CN108799286A - Positioning device - Google Patents

Abstract

The present invention provides a positioning device, wherein a rotation space is provided on one side of the internal perforation of the sleeve, a limiting ring body is provided on the top of the outer side, and a first limiting groove, two second limiting grooves and a convex ring between the two second limiting grooves are provided on the outer edge of the limiting ring body, and a positioning element inserted into the perforation and an elastic element sleeved on the positioning element are provided on the bottom surface of the rod head of the outer screw-on element of the sleeve, and the rod head is positioned in the assembly space of the driving sleeve body, and a long convex rod and two short convex rods are provided in the sliding inner hole covering the outer side of the limiting ring body on one side of the assembly space, respectively corresponding to the first limiting groove and the two second limiting grooves, when the locking operation is performed, the driving sleeve body can rotate in both directions, and can only rotate in one direction when the unlocking operation is performed, so as to achieve the purpose of easily identifying the locking or unlocking state by means of different operating feel.

Description

Positioning means

technical field

The invention relates to a positioning device, especially after the drive sleeve outside the sleeve is pressed down, the turnbuckle element in the sleeve can be locked by two-way rotation. However, the turnbuckle element can only be unlocked. Through the reverse one-way rotation, the locked or unlocked state can be known by the feel of the rotation, so as to achieve the purpose of simple and fast operation intuition.

Background technique

Press, when the general panel (board-to-board) is combined, it is locked by using the positioning screw with the knob, the collar and the screw, and the screw and the collar can be fixed on the first panel and rotated on the first panel. The knob makes the screw lock into the second panel to form a preset position, and then use the hand tool to lock the screw, so that the first panel and the second panel are locked and fixed as one, and can be used in telecom bureau cabinets, industrial computers , working machine, etc., are used for board-to-board connection on equipment composed of multiple devices and mechanisms.

However, if the user neglects to carry a suitable hand tool, it will affect the overall disassembly and assembly operation, so some operators have developed another method for the user to use the free-hand rotation method to fix or separate the board. For the positioning device, please refer to Fig. 9 and Fig. 10. It can be clearly seen from the figure that the inside of the sleeve A is provided with a through hole A1, and a stop ring A2 is protruded from the top outer edge of the sleeve A, and The surface of the limiting ring A2 is cut with a plurality of grooves A21 arranged at intervals, and the limiting ring A2 forms two first ring edges A22 with an enlarged outer diameter between any two adjacent grooves A21, and the other two are opposite to each other. Two second ring edges A23 with reduced outer diameter and staggered arrangement with the two first ring edges A22 are formed on the periphery, and the rotating rod body B1 of the turnbuckle component B is pierced in the through hole A1, and the bottom of the rotating rod body B1 A rotating rod B2 is pierced, and a rod head B3 exposed to the outside of the sleeve A is provided on the top of the rotating rod body B1, and an elastic body B4 is set on the rotating rod body B1 to hold against the inside of the perforated hole A1, and the An outer sleeve C is assembled on the outside of the turnbuckle component B, and an installation space C1 for the assembly of the rod head B3 is formed inside the outer sleeve C, and one side of the installation space C1 is provided with a cover covering the outside of the stop ring A2 in a longitudinal direction. The displacement sliding hole C2 is provided with two opposite long protruding rods C21 and two oppositely arranged short protruding rods C22 adjacent to the two long protruding rods C21 on the inner wall of the sliding hole C2, and each long protruding rod C21 The rod C21 and the short protruding rod C22 are respectively aligned and clamped in each groove A21 on the outer edge of the limit ring A2, and the outer top of the outer sleeve C is provided with a sharp-edged pulling part C3 facing outwards, and then outside The top surface of the sleeve C is provided with an indication part C4 with opening and closing marks. When the sleeve A is positioned on the preset positioning plate (not shown in the figure), the outer sleeve C can drive the rotation of the turnbuckle component B. Rotate the rod body B1 to carry out longitudinal lifting displacement along the perforation A1 of the sleeve A, so that the rotary rod B2 of the rotary buckle component B passes through the hole of the preset fixed plate body (not shown in the figure), and then by turning the sleeve The pulling part C3 of the sleeve C rotates the outer sleeve C by 90 degrees clockwise or counterclockwise, and then drives the rotating rod B2 to rotate and clamp on the bottom surface of the preset fixed plate, so as to achieve the preset positioning plate by hand. It is locked and integrated with the preset fixed plate body.

However, since the two first ring edges A22 and the two second ring edges A23 of the limit ring A2 of the sleeve A are arranged in a staggered manner, and the two long protruding rods on the inner wall of the sliding hole C2 of the outer sleeve C C21 and the two short protruding rods C22 are oppositely arranged, so when the outer sleeve C is pressed and rotated, the two long protruding rods C21 of the outer sleeve C can only move toward the two second rings with smaller outer diameters at the same time. Rotate in the direction of side A23, so that whether the outer sleeve C is in the locked or unlocked state, it can only be used by reciprocating rotation in a single direction (clockwise or counterclockwise), so that when the rotary rod B2 of the turnbuckle component B After being locked on the preset fixed plate, subsequent users cannot know whether the turnbuckle component B is in the locked or unlocked state by turning it (because both locking and unlocking are rotated 90 degrees), resulting in It affects the time and fluency of the overall disassembly and assembly operation, and is not only time-consuming and inconvenient, but also the indicator part C4 must be further processed on the top surface of the outer sleeve C to understand the locking and unlocking of the positioning device Directionality, thereby increasing the cost of processing operations.

In addition, most of the general positioning devices are installed in the cabinets of telecom bureaus, industrial computers, work machines, servers and other equipment. Due to the dim light inside the cabinets, the indicating part C4 of the outer sleeve C of the positioning device is not easy to see and identify. As a result, the user can only feel whether it is locked or unlocked in operation, and because the operation experience is the same when locked or unlocked, it causes a lot of inconvenience during use.

Therefore, how to solve the above-mentioned existing problems and deficiencies is the direction that relevant manufacturers engaged in this industry are eager to study and improve.

Contents of the invention

Therefore, in view of the above-mentioned problems and deficiencies, the inventor collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, through continuous trial and modification, he designed the invention of this positioning device born.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A positioning device, characterized in that it includes a sleeve, a turnbuckle element and a drive sleeve, wherein:

The inside of the sleeve has a hollow perforation, and on the side of the perforation, there is a rotating space with a larger diameter, and the sleeve is provided with a fixing hole adjacent to the outside of the rotating space, which can be combined with the preset first plate. The fixed part at the position, and the other side of the sleeve relative to the fixed part is protrudingly provided with a limiting ring body with a larger outer diameter, and then a first limiting card slot is cut at the periphery of the limiting ring body, and on the second The two sides of the first limiting slot are respectively provided with second limiting slots, and a protruding ring with an enlarged outer diameter is formed between the two second limiting slots;

The turnbuckle element is movably assembled at the perforation of the sleeve, and has a rod head located above the sleeve, and a positioning element extending downward from the bottom surface of the rod head for penetrating into the perforation, and the positioning element has a rod body, And a positioning part movable in the rotation space is provided under the rod body, and an elastic element for elastic support against the bottom surface of the rod head and the inside of the perforation is set outside the positioning element;

The drive sleeve is assembled on the outside of the turnbuckle element, and an assembly space is formed inside for the assembly of the head of the turnbuckle element, and one side of the assembly space is provided with a limit ring for covering the sleeve. The sliding inner hole of the displacement, and the inner wall of the sliding inner hole is provided with a long protruding rod for the alignment to be locked in the first limit card groove of the limit ring body, and then two sides of the long protruding rod are provided. A short protruding bar with a relatively short length and for the two second limit card slots of the limit ring body to be clamped in place, and above the two short protruding rods and on the inner side of the long protruding rod is formed a position for along the limit The outer edge of the ring is a reciprocating rotation section. When the driving sleeve is pressed down, the convex ring stops at the two short protruding rods, and when the driving sleeve is pressed down to rotate, the positioning part of the positioning element is rotated and held After the through hole of the second board is preset, the protruding ring stops at the long protruding rod.

The positioning device described above, wherein: a shaft hole with a reduced diameter is provided between the perforation of the sleeve and the rotating space for the positioning element of the turnbuckle to pass through, and an elastic element is formed at a position adjacent to the perforation and the shaft hole. The abutting and inclined abutting shoulder is supported, and a stop surface is formed at the top surface of the positioning part of the positioning element at the inner side of the swivel space adjacent to the shaft hole.

Said positioning device, wherein: the two second limit card slots of the limit ring body are respectively arranged at 90-degree angle positions adjacent to the periphery of the first limit card slot, and the space between the two second limit card slots is The formed protruding ring is arranged at the remaining 180-degree angle position, and two relatively short short protruding rods are arranged at 90-degree angle positions on both sides of the long protruding rod on the inner wall surface of the sliding inner hole.

Said positioning device, wherein: the outer surface of the rod head periphery of the turnbuckle element is protruded with an annular fitting, and the inner side of the assembly space is provided with a fastening groove with a larger hole diameter for the assembly and positioning of the annular fitting.

The positioning device, wherein: the center of the rod head of the turnbuckle element is pierced with a butt hole, and the positioning element of the turnbuckle element is provided with a hole for fitting and fixing in the butt hole on the other side of the positioning part. combination.

Said positioning device, wherein: the opposite sides of the positioning part of the positioning element protrude outwards to provide a plurality of stoppers for stopping at the bottom surface of the through hole of the preset second plate body.

Said positioning device, wherein: the height difference between the long protruding rod and the short protruding rod of the sliding inner hole of the driving sleeve is greater than or equal to the thickness of the limit ring body of the sleeve.

Said positioning device, wherein: the outer surface of the drive sleeve is provided with a gripping portion, and the gripping portion is provided with a strip-shaped wrenching block facing outward at the position of the long protruding rod.

The main advantage of the present invention is that the inner perforation side of the sleeve is provided with a rotating space with a larger hole diameter, and the sleeve is provided with a fixed part adjacent to the outer side of the rotating space, and the other side of the sleeve is opposite to the fixed part. A limit ring body with a larger outer diameter is protruded at the center, and a first limit card slot is cut at the periphery of the limit ring body, and second limit cards are respectively provided on both sides of the first limit card slot. card slot, and a protruding ring with an enlarged outer diameter is formed between the two second limit card slots, and the rod head of the rotary buckle element is arranged above the sleeve, and the bottom surface of the rod head is provided downward for penetrating into the The positioning element in the perforation and the elastic element set by the positioning element for elastic support against the bottom surface of the rod head and the inside of the perforation, and then the rod head of the turnbuckle element is assembled in the assembly space of the drive sleeve, and one side of the assembly space is There is a sliding inner hole for covering on the outside of the limiting ring body for longitudinal displacement, and the inner wall of the sliding inner hole is provided with a first limiting card slot and two second limiting slots for alignment to be locked on the limiting ring body. The long protruding rods and two short protruding rods in the two limit card slots can rotate axially in both directions when the drive sleeve is pressed and locked, and after the rotary buckle is locked, the protruding rings will be locked. The long protruding rod on the inner wall of the inner hole prevents the sliding, so the drive sleeve can only be rotated back in one direction to perform the unlocking process, and the user can easily identify the turnbuckle by the difference in the operating feel of the drive sleeve The components are in a locked state or an unlocked state, so that the user can operate intuitively simply and quickly, so as to achieve the purpose of improving the convenience and smoothness of installation or disassembly.

The secondary advantage of the present invention is that the long protruding rods and the two short protruding rods in the sliding inner hole of the drive sleeve are respectively along the first limit card groove and the two second limit grooves of the limit ring body of the sleeve. The limit card slot carries out longitudinal lifting and displacement, and the driving sleeve simultaneously drives the positioning part on one side of the positioning element of the rotary buckle element to enter and exit the rotating space on the side of the sleeve longitudinally. It does not need to use any hand tools, only needs to rely on simple , Easy operation to lock or unlock the preset first plate and second plate, thus achieving the goal of saving time and effort.

Another advantage of the present invention is that before the drive sleeve is pressed down, the protruding rings of the limit ring are two short protruding rods that can stop the inner wall of the inner hole from slipping, so as to prevent the drive sleeve from producing axial force. Rotate, so that the positioning part on one side of the positioning element can indeed pass through the through hole of the second plate, and when the drive sleeve is pressed down and rotated, its protruding ring can be used to stop the long protruding rod on the inner wall of the inner hole , so that the drive sleeve can only be turned back in the opposite direction of rotation, so as to have a good anti-fooling effect, so as to achieve the purpose of improving the smoothness of use.

Another advantage of the present invention is that when the positioning element of the turnbuckle is displaced longitudinally by the drive sleeve, since the length of the positioning element is greater than the length of the sleeve, the positioning portion on one side of the positioning element will protrude to the sleeve Outside, at this time, if there is no second plate under the first plate, the positioning part of the positioning element will be affected by the reset of the elastic element, and will be retracted into the sleeve so as not to have a clamping effect, so as to be used by the user It can be known through the operating feel that there is no second plate for locking under the first plate, which has a good fool-proof effect and achieves the purpose of improving the reliability of assembly.

Description of drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is a three-dimensional exploded view of another viewing angle of the present invention.

Figure 4 is a side sectional view of the present invention.

Figure 5 is a side sectional view of the invention in operation.

6A-6C are top sectional views of the rotation action of the driving sleeve of the present invention.

Fig. 7 is a side sectional view of the present invention in operation at another viewing angle.

Fig. 8 is a side sectional view of the present invention after operating at another viewing angle.

Fig. 9 is an exploded perspective view of the existing structure.

Fig. 10 is a three-dimensional exploded view of another viewing angle of the existing structure.

Explanation of reference signs: 1-sleeve; 10-perforation; 101-resisting shoulder; 11-rotating space; 111-stop surface; 12-axis hole; 13-fixing part; 14-limiting ring body; 141-first limit card slot; 142-second limit card slot; 143-protruding ring; 2-rotary buckle element; 21-rod head; -Joint part; 222-rod body; 223-positioning part; 2231-stopper; 23-elastic element; 3-drive sleeve; 30-assembly space; Long protruding rod; 312-short protruding rod; 32-turning section; 33-grip; 331-wiggling block; 4-first plate; 40-fixing hole; -sleeve; A1-perforation; A2-limiting ring; A21-groove; A22-first ring edge; A23-second ring edge; B3-rod head; B4-elastic body; C-outer sleeve; C1-installation space; C2-slip hole; C21-long protruding rod; C22-short protruding rod; .

Detailed ways

In order to achieve the above-mentioned purpose and effect, the technical means adopted in the present invention, its structure, and the method of implementation, etc., are hereby described in detail with respect to the preferred embodiments of the present invention. Its features and functions are as follows, so that it can be fully understood.

Please refer to Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, it is the three-dimensional appearance diagram, the three-dimensional exploded view, the three-dimensional exploded view of another angle of view and the side sectional view of the present invention, as shown in the figure, it can be clearly seen , the positioning device of the present invention includes a sleeve 1, a turn button element 2 and a drive sleeve 3, wherein:

The sleeve 1 has a hollow perforation 10 inside, and a swivel space 11 with a larger aperture is provided on one side of the perforation 10, and a shaft hole 12 with a reduced aperture is provided between the perforation 10 and the swirl space 11. An inclined abutting shoulder 101 is formed at the position adjacent to the through hole 10 and the shaft hole 12, and a stop surface 111 is formed at the inner side of the swivel space 11 adjacent to the shaft hole 12, and the sleeve 1 is adjacent to the swivel space 11 is provided with a fixed portion 13 on the outside, and the other side of the sleeve 1 relative to the fixed portion 13 is protruded with a limiting ring body 14 with a larger outer diameter, and a first Limiting slots 141, and second limiting slots 142 are respectively provided on both sides of the first limiting slots 141, and a protruding ring 143 with an enlarged outer diameter is formed between the two second limiting slots 142 .

The turnbuckle element 2 includes a rod head 21, a positioning element 22 and an elastic member 23, wherein an annular fitting body 211 protrudes from the outer surface of the rod head 21, and a butt hole 210 is pierced at the center of the rod head 21, And in the docking hole 210, an embossed joint portion 221 above the positioning element 22 is fixed, and a rod body 222 extends below the joint portion 221, and a positioning portion 223 is provided below the rod body 222, and the positioning portion 223 faces toward the opposite two sides. A plurality of stop blocks 2231 are protruded outwardly, and the rod body 222 of the positioning element 22 can be sleeved with an elastic element 23 .

The interior of the driving sleeve 3 is formed with a hollow assembly space 30, and a fastening groove 301 with a larger aperture is provided inside the assembly space 30, and a sliding inner hole penetrating outward is provided on one side of the fastening groove 301. hole 31, and a long protruding rod 311 is provided on the inner wall of the sliding inner hole 31, and two short protruding rods 312 with relatively short lengths are arranged at the two sides of the long protruding rod 311, and the top of the two short protruding rods 312 and A turning section 32 is formed on the inner side of the long protruding rod 311 , and a gripping portion 33 is provided on the outer surface of the driving sleeve 3 , and the gripping portion 33 is provided with a strip-shaped puller facing outward at the position of the long protruding rod 311 . Block 331.

When the above-mentioned components are assembled, the positioning element 22 of the turnbuckle element 2 is first moved through the through hole 10 and the shaft hole 12 of the sleeve 1, so as to provide multiple stop blocks 2231 of the positioning part 223 on one side of the positioning element 22. It can be held against the stop surface 111 inside the rotating space 11, thereby preventing the positioning element 22 from withdrawing from the through hole 10 of the sleeve 1 and the outside of the shaft hole 12, so that the positioning part 223 of the positioning element 22 can be positioned in the rotating space. 11 for longitudinal movement in and out, and the rod head 21 on the other side of the positioning element 22 will be exposed above the perforation 10 of the sleeve 1, and the rod body 222 of the positioning element 22 is sleeved The elastic element 23 is respectively braced against the abutment shoulder 101 inside the perforation 10 and the bottom surface of the rod head 21 of the turnbuckle element 2, so that the ring-shaped fitting body 211 of the rod head 21 can be used to provide the assembly space for the drive sleeve 3 30 on one side of the fastening groove 301 is assembled, so that the sliding inner hole 31 at the other side of the assembly space 30 is movably sleeved on the outside of the limit ring body 14 of the sleeve 1, and the sliding inner hole 31 The long protruding rod 311 and the two short protruding rods 312 on the wall are positioned respectively against the first limiting groove 141 and the two second limiting grooves 142 on the surface of the limiting ring body 14, and the two A short protruding rod 312 is stopped and limited by the protruding ring 143 of the limit ring body 14, so as to avoid the axial rotation of the driving sleeve body 3, and then rely on the sleeve 1, the rotary buckle element 2 and the driving sleeve body 3 to form the cost. Invented positioning device.

The limit ring body 14 on one side of the above-mentioned sleeve 1 is provided with a first limit card groove 141 at the peripheral edge, and a second limit card groove 142 is respectively provided at the two sides of the first limit card groove 141. The two second limiting slots 142 are respectively arranged at 90-degree angle positions adjacent to the periphery of the first limiting slot 141, and the protruding ring 143 formed between the two second limiting slots 142 is arranged on the remaining 180 degrees. degree angle position.

Furthermore, the inner wall surface of the sliding inner hole 31 of the above-mentioned driving sleeve 3 is provided with a long protruding rod 311, and two short protruding rods 312 with relatively short lengths are provided at 90-degree angle positions on both sides of the long protruding rod 311, And above the two short protruding rods 312 and on the inner side of the long protruding rod 311, there is formed a turning zone 32 of about 180 degrees, and the height difference between the long protruding rods 311 and the short protruding rods 312 is greater than or equal to the limit ring body of the sleeve 1 14, so that after the driving sleeve 3 is pressed, its two short protruding rods 312 can break away from the restriction of the two second limiting slots 142 of the limiting ring body 14 .

Please refer to Fig. 2, Fig. 4, Fig. 5, Fig. 6A-6C, Fig. 7, and Fig. 8, which are the three-dimensional exploded view, side sectional view, side sectional view during operation, and drive sleeve of the present invention. The top view sectional view of the rotating action, the side view sectional view during operation at another angle of view, and the side view sectional view after operation at another angle of view can be clearly seen from the figures that the positioning device of the present invention can use the external part of the sleeve 1 The fixing part 13 is assembled at the fixing hole 40 of the first plate 4, and is combined with the second plate 5 below the first plate 4, and the through hole 50 through which the second plate 5 is passed is a long rectangle, and For the fixing hole 40 of the first plate 4 and the place below the sleeve 1, force can be applied to the surface of the drive sleeve 3 above the sleeve 1, so that the drive sleeve 3 is pressed down longitudinally, thereby driving the turnbuckle The positioning element 22 of the element 2 is located at the perforation 10 and the shaft hole 12 and is longitudinally displaced, and presses the elastic element 23 sleeved outside the positioning element 22 by virtue of the bottom surface of the rod head 21 of the turnbuckle element 2. At this time, the positioning element 22 The positioning part 223 at the bottom will exit out of the rotating space 11 of the sleeve 1, so as to pass through the bottom of the through hole 50 of the second plate 5. The two relatively short protruding rods 312 will then be displaced downwards to break away from the restriction of the two second limiting grooves 142 on the surface of the limiting ring body 14, and the limiting ring body 14 will enter into the two short protrusions. In the rotary section 32 formed between the top of the rod 312 and the two long protruding rods 311, the trigger block 331 of the grip portion 33 can be turned again, so that the long protruding rod 311 can be moved along the outer edge of the limiting ring body 14. Counterclockwise (or clockwise) two-way rotation (rotation about 90 degrees, as shown in Figure 6A, Figure 6B), and at the same time drive the plurality of stop blocks 2231 at the two sides of the positioning part 223 to rotate axially, so as to align with the second plate The through holes 50 of 5 are clamped in a vertically staggered manner (as shown in FIG. 6C ), and then the plurality of stoppers 2231 of the positioning part 223 are laterally clamped at the bottom of the through holes 50 of the second plate 5, so that the second plate 5 is fixed on the bottom of the first plate 4 in a locked state, achieving the effect of a stable combination and not easy to loosen and detach.

When the second plate 5 is to be separated from the first plate 4, it only needs to be turned again on the grip portion 33 of the drive sleeve 3, because the long protruding rod 311 of the sliding inner hole 31 is the protruding part of the limiting ring 14. The ring 143 stops, so the drive sleeve 3 can only rotate in the opposite direction (one way) (about 90 degrees of reverse rotation), and then drive the positioning part 223 of the positioning element 22 to rotate back, by virtue of the plurality of positioning parts 223 The stop block 2231 is aligned parallel to the elongated through-hole 50 of the second plate 5 (as shown in FIG. 6A ). At this moment, it can be assisted by the elastic restoring force of the elastic element 23 of the turnbuckle element 2 to make the drive The long protruding rod 311 of the sleeve body 3 makes a longitudinal upward displacement along the first limit card groove 141 of the limit ring body 14 of the sleeve 1, so that the limit ring body 14 is separated from the rotation zone 32 of the drive sleeve body 3 At the same time, the long protruding rod 311 and the two short protruding rods 312 are respectively clamped in the first limit card slot 141 and the two second limit card slots 142 of the limit ring body 14 again, and the elastic element 23 is also Continue to support the bottom surface of the rod head 21 of the turnbuckle element 2, so as to lift the positioning element 22 longitudinally in the through hole 10 and the shaft hole 12, so that the positioning part 223 on one side of the positioning element 22 passes through the through hole of the second plate 5 After 50°, it enters into the rotating space 11 below the sleeve 1, so that the plurality of stoppers 2231 of the positioning part 223 can be held against the stop surface 111 inside the rotating space 11 again, and the second sheet material 5 is released. The limit lock, that is, the second plate 5 is separated from the first plate 4 and is in an unlocked state, so that the drive sleeve 3 can drive the turnbuckle element 2 along the perforation 10 of the sleeve 1 by rotating above the sleeve 1 1. The shaft hole 12 is used for vertical lifting displacement without using any hand tools. It only needs to combine (lock) or disengage (unlock) the first plate 4 and the second plate 5 by means of simple and easy operations, thereby achieving considerable savings. Time and labor saving effect.

The above-mentioned drive sleeve 3 can rotate in two directions during the pressing and locking process, but can only rotate in one direction in the direction of turning in during the unlocking process, so that the user can have obvious differences in the operating feel , the user can easily identify whether the turnbuckle element 2 is locked or unlocked by whether it can rotate both clockwise and counterclockwise, so that the user can intuitively operate it simply and quickly, so as to achieve The effect of improving the convenience and fluency of installation or detachment.

And between the two second limit card grooves 142 of the limit ring body 14 of the above-mentioned sleeve 1, a protruding ring 143 with an enlarged outer diameter is formed. When the driving sleeve 3 is pressed down, the protruding ring 143 is a stop The two short protruding rods 312 on the inner wall of the anti-slip inner hole 31 prevent the drive sleeve 3 from rotating axially, so that the positioning part 223 on one side of the positioning element 22 can pass through the through hole 50 of the second plate 5 , and when the drive sleeve 3 is pressed down and rotated, its protruding ring 143 can be used to stop the long protruding rod 311 on the inner wall surface of the sliding inner hole 31, so that the drive sleeve 3 can only turn back in the opposite direction of rotation. In order to have a good anti-fooling effect, so as to achieve the effect of improving the fluency of use.

In addition, the length of the positioning element 22 of the above-mentioned turnbuckle element 2 is greater than the length of the sleeve 1, so when the sleeve 1 is fixed on the first plate 4, and the positioning element 22 is longitudinally displaced by the driving sleeve 3, its positioning element The positioning portion 223 on one side of the positioning element 22 will protrude to the outside of the sleeve 1. At this time, if the second plate material 5 is not provided below the first plate material 4, the positioning portion 223 of the positioning element 22 will be reset by the elastic element 23. affected, and retracted into the sleeve 1, so as not to have a clamping effect, so that the user can know through the operating feel that there is no second plate 5 for locking under the first plate 4, so it has a good Fool-proof effect to achieve the effect of improving the reliability of assembly.

The above detailed description is just a description of a preferred feasible embodiment of the present invention, but this embodiment is not used to limit the scope of the patent application of the present invention, and all other equivalent changes that do not depart from the spirit of the technology disclosed in the present invention All modifications and modifications shall be included in the patent scope covered by the present invention.

Claims (8)

1. a kind of positioning device, it is characterised in that：Including sleeve, spinner element and driving body, wherein：

The sleeve inner has the perforation of hollow form, and is equipped with the larger turn space in aperture in perforation side, and sleeve is adjacent It is equipped with the fixed part for being incorporated at the mounting hole of default first plate body in turn space outside, and sleeve is relative to fixed part It is convexly equipped with the larger limit ring body of outer diameter at the other side, then is cutd open equipped with the first limit card slot in limit ring body peripheral region, and the One limit card slot is respectively equipped with the second limit card slot at two sides, and is formed with the convex of expanded outer diameter between two the second limit card slots Ring；

The spinner element Moveable assembled has the head being located above sleeve at the perforation of sleeve, and at head bottom surface It extends downwardly for penetrating the setting element in perforation, and setting element has a body of rod, and be equipped with and live below the body of rod The dynamic positioning region in turn space, then be equipped in setting element outer cover and supported in head bottom surface and perforated inner for elasticity Elastic element；

The driving body is assembled in spinner element-external, and is formed with the assembling sky of the head assembling for spinner element in inside Between, and be equipped at assembling space side and be in the sliding endoporus of length travel outside the spacing ring body of sleeve for covering, and slide Endoporus internal face is equipped with the long nose bar being equipped in for contraposition in the first limit card slot of limit ring body, then is set at two side of long nose bar Short stud shorter there are two relative length and that blocking is aligned for limiting two the second limit card slots of ring body, and two short studs The revolution section for along the external edge of spacing ring being in reciprocating rotary is formed at top and long nose bar relative inner, when driving body Before pushing, which rotates at two short studs when driving body pushes, and the positioning region turn of setting element is made to buckle After being held in the through hole of default second plate body, the bulge loop then block at long nose bar.

2. positioning device according to claim 1, it is characterised in that：Hole is equipped between the perforation and turn space of the sleeve Diameter reduces and for the axis hole that the setting element of spinner element is worn, then is formed with for elastic member in perforation and axis hole adjacent position Part support for and it is oblique support shoulder, and be formed at the adjacent axis hole of turn space inner and determine in setting element for block Stop surface at position portion top surface.

3. positioning device according to claim 1, it is characterised in that：Two the second limit card slots of the limit ring body are distinguished It is set to the adjacent an angle of 90 degrees position of the first limit card slot periphery, and is formed by bulge loop between two the second limit card slots and is then set to Remaining 180 degree Angle Position, and relative length there are two being set at each an angle of 90 degrees position in two side of long nose bar of the sliding endoporus internal face Shorter short stud.

4. positioning device according to claim 1, it is characterised in that：The head periphery outer surface projection of the spinner element There is annular chimera, and is equipped with the fixing slot that aperture is larger and is positioned for the assembling of annular chimera on the inside of the assembling space.

5. positioning device according to claim 1, it is characterised in that：The head centre of the spinner element is equipped with docking Hole, and the setting element of the spinner element is equipped with relative at the other side of positioning region for being fitted and fixed in the combination in butt hole Portion.

6. positioning device according to claim 1, it is characterised in that：The positioning region of the setting element with respect at two sides outwardly It is convexly equipped with the plural stop block at the through-hole bottom surface of default second plate body for block.

7. positioning device according to claim 1, it is characterised in that：The driving body slide endoporus long nose bar with it is short convex The difference in height of bar is greater than or equal to the thickness of the limit ring body of sleeve.

8. positioning device according to claim 1, it is characterised in that：The actuating sleeve external surface is equipped with grip part, and holds Portion is held to pulling block towards be externally provided with strip at long nose bar position.