CN201437897U - Swing arm structure of support frame - Google Patents

Abstract

The utility model relates to a swing arm structure of a support frame, which comprises a fixed seat, a cantilever, a swing arm, a support and a connecting seat, wherein the support in the swing arm comprises an outer sleeve, a linkage block and a spring, the bottom of the outer sleeve is a rod piece which is provided with a pin joint linkage block in a penetrating way and is limited and clamped in a slide way of the swing arm to slide, the spring is supported on a baffle ring of the outer ring surface at the bottom of the outer sleeve, the bottom of the linkage block is provided with a shaft rod which is pivoted on the pin joint block at one side of the cantilever, when the swing arm swings downwards or upwards, the swing arm can rotate by taking a bottom connecting shaft as a center, the rod pieces at two ends of the linkage block of the support and the shaft rod form interaction, the rod piece slides in the slide way by displacement to form an expected displacement line, the spring is in a pushing state, when different rotation angles are operated, the swinging stress of the whole swing arm is, the support can be used for swinging arms, so that a user can operate the device easily and in a labor-saving manner.

Description

Swing arm structure of the support frame

technical field

The utility model relates to a support frame, in particular to a swing arm structure of the support frame, wherein the swing arm of the support frame to adjust the vertical displacement of the screen includes a support, and a slideway inclined from top to bottom is provided on the side wall of the support frame. And the bottom is provided with a connecting shaft that is pivotally connected to the external pivot block, so that when the swing arm swings downward or upward, the internal support is pushed by a spring, and when different rotation angles are operated, the entire swing arm swings under the same force , and the supporter can be used for the swing arm to allow the user to operate easily and effortlessly.

Background technique

Generally, it is used as a support frame for steering and supporting product positioning such as telephone panels and LCD screens. It is mainly used for display and other purposes. The audience is mostly office workers and students. The good visual angle of the LCD screen, the main goal is not to fatigue the eyes and not hurt the eyes when watching the LCD screen; however, the current LCD screen support frame can only deflect left and right, if there is a way to adjust the elevation or depression angle of the LCD screen The support frame is easy to sag due to long-term use due to gravity, and loses the function of adjusting the angle up and down; at the same time, the traditional LCD screen support frame is in a pivoted state at the joint joint of the arm bar and the arm bar without any Support the limit structure, when free up and down deflection, there is no clamping and positioning effect. Once it is applied to a larger LCD screen, its weight is relatively large, and it often loosens at the joint of the joint joint, resulting in free movement. yaw, the LCD screen cannot be positioned normally, so most of the LCD screen supports for office use are not suitable for large LCD screens, so we have to find another frame for suspension erection; The stopper structure, by virtue of the stopper structure, prevents the swing arm of the support frame that is deflected up and down from directly drooping due to gravity, but this stopper structure will cause inconsistent forces at all angles of the rotation angle, resulting in that when the swing arm is at the bottom The force of the swing arm pushed by the user is inconsistent between the upward swing displacement and the downward swing displacement when the user is at the top, so that the swing arm deflection cannot be easily and labor-savingly operated.

Therefore, how to solve the lack and inconvenience of the above-mentioned existing products is the direction that the relevant industry is eager to study and improve. In view of the above problems and deficiencies, the designer collected relevant information, evaluated and considered in many ways, and based on years of experience accumulated in this industry, after continuous trial and modification, he finally designed the swing arm structure of the support frame. utility model.

Contents of the invention

The main purpose of this utility model is that the swing arm of the support frame is provided with a supporter inside, and when the spring on the supporter is used for the swing arm to swing downward or upward, the swing arm will rotate with the bottom connecting shaft as the center, and the supporter The rods at both ends of the bottom and the shaft will form an interaction, so that the rods will move and slide in the slideway of the swing arm, forming the expected position movement line, so that the spring will act as a push, and when operating different rotation angles, the entire swing arm will The force of the swing is the same, so that when the user adjusts the screen to move up and down, the supporter can be used by the swing arm to allow the user to operate easily and labor-saving.

The secondary purpose of the utility model is that the supporter of the support frame is provided with an exposed adjustment screw. When the adjustment screw rotates, the screw rod will drive the nut on the bottom convex ring block to push the bottom block to move downward and push the spring It is in a compressed state, thereby increasing the elastic force released by the two ends of the spring, which can be used for the support frame to be suitable for screens of different weights. At the same time, it has the effect of convenient adjustment, easy operation, increased added value and increased purchase desire.

In order to achieve the above purpose, the utility model is a swing arm structure of a support frame, which includes a support on the swing arm of the support frame, and a slideway inclined from top to bottom is provided on the side wall of the support frame, and a pivot is provided at the bottom of the support frame. The connecting shaft connected to the external pivot block is further provided with a docking block on the top of the support for the pivot connection of the preset connecting seat.

The bracket of the swing arm is hollow, and the bottom of the two side walls of the bracket is correspondingly provided with an arc-shaped track slideway inclined from top to bottom.

The swing arm bracket is provided with a supporter inside, and the supporter includes an outer sleeve, a linkage block and a spring, and the outer sleeve is provided with a pivoting linkage block and a rod that is limited and locked in the slideway to slide. A retaining ring protrudes from the outer ring surface of the outer casing, and the bottom of the linkage block is provided with a shaft pivotally connected to the external pivoting block, and a spring against the retaining ring is provided outside the outer casing.

The top of the swing arm bracket is provided with a baffle, and the inside of the bracket is provided with a supporter, and the supporter is movably positioned in the outer casing with an adjustment screw, and one side of the adjustment screw is provided with a nut exposed outside the shaft hole of the baffle. And the adjustment screw is provided with a screw rod inserted into the outer tube on the other side of the nut, and the screw rod of the adjustment screw is sequentially sleeved with a protruding ring block in the shaft hole and a stopper for the top of the spring to be supported .

The bottom side of the protruding ring block is provided with a nut capable of pushing the block to compress the spring.

The adjusting screw rod of the supporter is sleeved with an inner tube placed in the outer tube.

The front of the bracket of the swing arm is provided with a front plate, and the bracket and the front plate cover are provided with left and right outer covers.

The top of the swing arm bracket is provided with a docking block pivotally connected to the steering shaft provided by the preset connection seat, and the other side of the connection seat is provided with a joint block capable of linking external objects.

The bottom of the swing arm bracket is provided with a connecting shaft pivotally connected to the pivot block on the front ring end surface of the rotating shaft on one side of the external cantilever.

The other side of the cantilever is provided with a socket shaft that is socketed on the strut provided by the external fixing base to move up and down.

The beneficial effect of the utility model is that: when the user adjusts the screen to move up and down, the supporter can be used by the swing arm to allow the user to operate easily and labor-saving; at the same time, it has the advantages of convenient adjustment, easy operation, increased added value and enhanced purchase desire. Effect.

Description of drawings

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Fig. 3 is a partial three-dimensional exploded view of the utility model;

Fig. 4 is the partial three-dimensional sectional view of the assembled utility model;

Fig. 5 is the three-dimensional appearance diagram before the utility model is used;

Fig. 6 is a side view sectional view when the utility model is in use;

Fig. 7 is a side sectional view of the utility model after use.

Explanation of reference signs: 1-fixed seat; 11-plate body; 12-clamping bolt; 13-support rod; 2-cantilever; 21-socket shaft; 22-rotation shaft; 1 shaft hole; 232-second shaft hole; 3-swing arm; 31-bracket; 311-slider; 312-connecting shaft; 313-baffle plate; 3131-axis hole; 33-outer cover; 4-supporter; 41-outer sleeve; 411-rod; 412-stop ring; 441-nut; 442-screw; 443-projection block; 4431-nut; 444-block; 445-inner tube; 5-connection seat; 51-steering shaft; -roller.

Detailed ways

In order to achieve the above-mentioned purpose and effect, the technical means and the structure adopted by the utility model are hereby drawn to illustrate in detail the features and functions of the preferred embodiments of the utility model as follows, so as to fully understand.

Please refer to Fig. 1, Fig. 2, and Fig. 3, which are the three-dimensional appearance diagram, three-dimensional exploded view and partial three-dimensional exploded view of the present utility model. It can be clearly seen from the figure that the present utility model includes a fixed seat 1, a cantilever 2, a pendulum Arm 3, supporter 4 and connecting seat 5, so the main components and their characteristics of this case are described in detail as follows:

The fixing seat 1 is provided with a ㄈ-shaped plate body 11 , and the bottom of the plate body 11 is pierced and fixed with clamping bolts 12 , and a strut 13 is vertically connected to the top of the plate body 11 .

One side of the cantilever 2 is provided with a socket shaft 21 that can be sleeved on the pole 13 of the fixed seat 1 and moves up and down, while the other side of the cantilever 2 is provided with a rotating shaft 22, and the front ring end surface of the rotating shaft 22 is protrudingly arranged. Pivot block 23 is arranged.

The swing arm 3 includes a hollow support 31, and the bottom position of the two side walls of the support 31 is correspondingly provided with an arc-shaped track slideway 311 inclined from top to bottom, and the support 31 is provided at the bottom of the adjacent slideway 311. There is a connecting shaft 312 pivotally connected to the pivot block 23 , and a baffle 313 and a docking block 314 are arranged in sequence at the top positions of the two side walls of the swing arm 3 bracket 31 , and the baffle 313 is provided with a shaft hole 3131 .

The supporter 4 is arranged inside the swing arm 3, and the supporter 4 includes an outer sleeve 41, a linkage block 42, a spring 43 and an adjustment screw 44, and the bottom of the outer sleeve 41 is pierced with a pivoting linkage block 42 and a limit card. The rod 411 is made to slide in the slideway 311, and the stop ring 412 is protruded on the outer ring surface of the bottom of the outer casing 41, and the bottom of the linkage block 42 is additionally provided with a shaft 421 that can be pivotally connected to the pivot block 23 , and a spring 43 is provided outside the outer sleeve 41, and the bottom end of the spring 43 is held against the retaining ring 412 of the outer sleeve 41, and an adjusting screw 44 is movable and positioned in the outer sleeve 41, and one side of the adjusting screw 44 is provided with The nut 441 exposed outside the shaft hole 3131 of the baffle plate 313, and the adjusting screw 44 is provided with a screw 442 inserted into the outer casing 41 on the other side of the nut 441, and the screw 442 of the adjusting screw 44 is sequentially A semicircular protruding ring block 443 that is supported in the shaft hole 3131 is sleeved, a stopper 444 that can be supported by the top of the spring 43 and an inner tube 445 that is placed in the outer sleeve 41, and the stopper 444 and the inner tube Tubes 445 are linked into one piece.

One side of the connecting seat 5 is provided with a steering shaft 51 pivotally connected to the docking block 314 of the swing arm 3 , and the other side of the connecting seat 5 is provided with a connecting block 52 which can be connected to an external object.

Please refer to Fig. 2, Fig. 3, and Fig. 4, which are three-dimensional exploded views, partial three-dimensional exploded views and partial three-dimensional cross-sectional views after assembly of the utility model. It can be clearly seen from the figure that when the above-mentioned detailed parts are installed When assembling the fixed seat 1, the cantilever 2, the swing arm 3, the supporter 4 and the connecting seat 5, in order to install the supporter 4 in the bracket 31 of the swing arm 3, make the nut 441 of the adjustment screw 44 of the supporter 4 Pass out of the shaft hole 3131 of the baffle plate 313, and the baffle plate 313 holds the convex ring block 443 of the adjustment screw 44 at the bottom of the shaft hole 3131 to limit the position, and then, the rods 411 at the bottom of the outer sleeve 41 are respectively limited at In the slideway 311 at the bottom of the bracket 31 of the swing arm 3, the connecting shaft 312 of the bracket 31 of the swing arm 3 can be pivotally connected to the first shaft hole 231 above the pivot block 23 of the cantilever 2, and the support 4 The shaft 421 at the bottom of the link block 42 is pivotally connected to the second shaft hole 232 below the pivot block 23 of the cantilever 2, so that the groove 422 at the side end of the link block 42 is aligned and locked on the connecting shaft of the swing arm 3 312, so that the spring 43 is set outside the outer sleeve 41, and the top and bottom ends of the spring 43 are tightly pressed against the stopper 444 and the stop ring 412 respectively, so that the inner tube 445 at the bottom of the stopper 444 together with the internal adjustment screw 44 The screw 442 of the outer casing 41 is placed together in the outer casing 41, and at the same time, the stopper 444 is limited in the bracket 31 of the swing arm 3, and the rod 411 at the bottom of the outer casing 41 is limited to the slideway 311 of the bracket 31 of the swing arm 3 The bottom side is positioned, after the swing arm 3 and the supporter 4 are assembled and combined on the pivot block 23 of the cantilever 2, the steering shaft 51 of the connecting seat 5 can be pivoted on the butt joint 314 of the swing arm 3, and the cantilever 2 Then the sleeve shaft 21 is fixed on the pole 13 of the fixed seat 1, and the overall assembly configuration of the support frame of the present invention can be completed.

Please refer to Fig. 5, which is a three-dimensional appearance diagram before the utility model is used. It can be clearly seen from the figure that the swing arm structure of the utility model support frame can be clamped by the plate body 11 of the fixed seat 1 at the side end of the table corner, Rotate the clamping bolt 12 to tightly clamp the corner of the table, and then the joint block 52 of the connecting seat 5 can be used for docking and fixing of external objects (such as telephone panels, screens, etc.).

Please refer to Fig. 2, Fig. 3, Fig. 6, and Fig. 7, which are three-dimensional exploded views, partial three-dimensional exploded views, side view sectional views during use and side view sectional views after use of the utility model, which can be clearly seen from the figure It can be seen that when the swing arm structure of the support frame of the present invention is used in conjunction with the above-mentioned external objects (hereinafter referred to as the screen as an example), in order to adjust the vertical displacement of the screen to facilitate viewing, the user only needs to apply force to move the swing arm. The arm 3 swings downward with the rotation axis 22 of the cantilever 2 as the center, and the support 4 inside the bracket 31 of the swing arm 3 can move, and when the swing arm 3 swings downward, it will connect the shaft 312 and the bottom of the swing arm 3. The first shaft hole 231 of the pivot block 23 rotates at the center, and when the supporter 4 swings down synchronously, the rods 411 and the shaft rods 421 at both ends of the linkage block 42 of the supporter 4 form an interaction, even When the linkage block 42 is swinging, its bottom shaft 421 rotates as the center, and the upper rod 411 moves upward in the slideway 311, and the bottom rod 411 of the outer sleeve 41 of the supporter 4 is in the slideway 311 After the displacement, the outer casing 41 and the adjusting screw 44 will perform a yaw displacement with the convex ring block 443 in the shaft hole 3131 of the baffle plate 313 as the center. However, the baffle plate 313 can be used as a rotating shaft structure in the form of a pin. At the same time, the outer sleeve 41 forms an expected position movement line after the upward displacement of the rod 411 in the slideway 311, so that the retaining ring 412 of the outer sleeve 41 can be displaced upward to squeeze the bottom end of the spring 43, and the top end of the spring 43 stops at the bottom of the spring 43. Under the action of the stopper 444 of the adjustment screw 44, the spring 43 will be pressed against the stop ring 412 of the outer sleeve 41 with a rebound force, so that when the outer sleeve 41 and the adjustment screw 44 are deflected and displaced in the bracket 31, they will Form a real-time effect in place, yet the rebound force of the spring 43 does not require the user to apply a high push force to push the swing arm 3, but provides the user with an easy push force to push the swing arm 3 to swing, That is, the screen can be used to adjust the viewing distance up and down, so that when operating different rotation angles (such as swinging the swinging arm 3 upwards and downwards), the force of the swinging swing of the entire swinging arm 3 is close to the same state, allowing the user to adjust When the screen moves up and down, its supporter 4 can be used by the swing arm 3 to allow the user to easily and effortlessly operate the swing effect.

The supporter 4 of the swing arm structure of the support frame of the utility model can provide the user with the adjustment of the elastic force in the structure of the adjustment screw 44 to correspond to various weight screens on the joint block 52 of the connecting seat 5, wherein the adjustment screw 44 When the nut 441 is rotated and adjusted, the screw rod 442 will drive the nut 4431 provided on the bottom side of the protruding ring block 443 to push the stopper 444 and the integrated inner tube 445 to move downward, and the stopper 444 is limited in The action in the bracket 31 of the swing arm 3 makes the block 444 only move up and down, and prevents the block 444 and the inner tube 445 at the bottom from rotating, so that the block 444 pushes the top of the spring 43 downward, and the bottom of the spring 43 will stop. Stopping on the retaining ring 412 and being in a compressed state also makes the spring 43 be more tightly compressed to increase the elastic force released by the two ends of the spring 43, and when the screen on the link seat 5 is heavier, its supporter The spring 43 of 4 is more compact when the bracket 31 of the swing arm 3 swings and displaces, so as to prevent the downward displacement of the swing arm 3 under the weight of the screen, and at the same time, the nut 441 of the adjustment screw 44 is exposed on the bracket of the swing arm 3 31 above the baffle plate 313, so that the nut 441 can be directly aligned in the steering shaft 51 of the connecting seat 5, and the hand tool can be directly passed through the steering shaft 51 to adjust the nut 441 for rotation. The support frame structure is easy to adjust, easy to operate and applicable to screens of different weights, so as to increase the added value of the support frame and achieve the effect of increasing the desire to buy.

In addition, the swing arm structure of the support frame of the present invention is based on the sleeve shaft 21 and the rotation shaft 22 of the cantilever 2, so as to provide the cantilever 2 with the sleeve shaft 21 sleeved on the pole 13 for fixing and left and right rotation. At the same time, the rotating shaft 22 can also be used for the swing arm 3 to rotate left and right. Moreover, on the structure of the steering shaft 51 and the joint block 52 of the connecting seat 5, the steering shaft 51 can also be pivotally connected to the swing arm 3. The docking block 314 is used to rotate up and down, while the steering shaft 51 is pivotally provided with a rotating shaft block 511, and the joint block 52 can be pivotally connected to the rotating shaft block 511 by the roller 521 fixed at the rear end as a rotating shaft that can be rotated at any angle. The effect of the 180-degree rotation is used as the screen on the joint block 52 to move freely up and down, left and right, and the rotation and rotation effects of the pitch and elevation angles, effectively improving the visual angle. However, its detailed parts are not the swing arms of the support frame of the present utility model. The protection features of the structure are not described in detail here, but are revealed by illustrations.

Again, the swing arm structure of the utility model bracing frame is provided with a front plate 32 in front of the support 31 of the swing arm 3, and the left and right outer covers 33 are provided with the support 31 and the front plate 32 outer cover, to complete the integral components of the swing arm 3, In addition, the front panel 32 and the outer cover 33 cover the outside of the support 31, which can be used as a protective cover and avoid the problem that the inner supporter 4 is exposed.

And the protection focus of the present utility model is aimed at the bracing frame in conjunction with external object (as telephone plate, screen etc.), is provided with the supporter 4 structure for labor-saving operation with its swing arm 3 inside that can swing up and down, wherein bracing frame is It has a fixed seat 1 that can be fixed on the corner of the table, and the support rod 13 above the fixed seat 1 is sleeved with a cantilever 2, and the front ring end of the rotating shaft 22 on one side of the cantilever 2 is provided with a connecting shaft 312 for the bottom of the swing arm 3 The pivotal block 23 is pivotally connected, and a supporter 4 is arranged inside the swing arm 3, and the supporter 4 includes an outer sleeve 41, a linkage block 42, a spring 43 and an adjustment screw 44, and the bottom of the outer sleeve 41 is for wearing There is a connecting block 42 that is pivotally connected and clamped in a position to slide a rod 411 in the slideway 311 of the swing arm 3, and then a spring 43 is sleeved on the retaining ring 412 on the outer ring surface of the bottom of the outer sleeve 41, and the connecting block 42 The bottom is provided with a shaft 421 pivotally connected to the pivot block 23, and an adjustment screw 44 is movably positioned in the outer casing 41. One side of the adjustment screw 44 is provided with a baffle 313 exposed above the bracket 31 of the swing arm 3. The nut 441 outside the shaft hole 3131, and the adjusting screw 44 is provided with a screw 442 inserted into the outer sleeve 41 on the other side of the nut 441, and is sequentially sleeved on the screw 442 of the adjusting screw 44 to resist The protruding ring block 443 in the shaft hole 3131, the block 444 that can be supported by the top of the spring 43, and the inner tube 445 placed in the outer sleeve 41, when the swing arm 3 swings downward or upward, the swing arm 3 It will rotate around the bottom connecting shaft 312, and the rods 411 and shafts 421 at both ends of the linkage block 42 of the supporter 4 interact with each other, so that the rods 411 are displaced and slid in the slideway 311, forming the expected positional movement line, so that the spring 43 is pushed, and when different rotation angles are operated, the force of the swing of the entire swing arm 3 is consistent, so that when the user adjusts the screen to move up and down, the support 4 can be used by the swing arm 3. The user can easily and effortlessly operate the swing effect.

The above description of the utility model is illustrative rather than restrictive. Those skilled in the art understand that many modifications, changes or equivalents can be made to it within the spirit and scope of the claims, but they will all fall into the Into the scope of protection of the present utility model.

Claims (10)

1. the swing arm structure of a supporting frame, it is characterized in that in the swing arm of supporting frame support being arranged, and offer the slideway of inclination from top to bottom on the rack side wall, and frame bottom is provided with the coupling shaft that is articulated on the outside pivot joint block, is provided with the butt joint piece that articulates for default joint seat in a top of the trellis again.

2. the swing arm structure of supporting frame as claimed in claim 1 is characterized in that, the support of this swing arm is hollow shape, and support corresponding track slideway that tilts to be arcuation from top to bottom that offers on the bottom position of two side.

3. the swing arm structure of supporting frame as claimed in claim 1, it is characterized in that, this swing arm internal stent is provided with eyelid retractor, and this eyelid retractor includes outer sleeve, linked block and spring, be equipped with on its outer sleeve and articulate linked block and the spacing rod member that slides in the slideway that is equipped in, on the outer sleeve outer ring surface, convex with baffle ring again, and the linked block bottom is provided with the axostylus axostyle that is articulated on the outside pivot joint block, is arranged with the spring that is held on the baffle ring again outside outer sleeve.

4. the swing arm structure of supporting frame as claimed in claim 1, it is characterized in that, this swing arm is propped up top of the trellis and is provided with baffle plate, and internal stent is provided with eyelid retractor, and eyelid retractor includes outer sleeve, linked block and spring, its eyelid retractor activity orientation in outer sleeve has the adjustment screw, it is adjusted screw one side and is provided with the nut that is exposed to outside the set axis hole of baffle plate, and adjust screw and be provided with the screw rod that penetrates in outer sleeve, and on the screw rod of adjusting screw, be socketed with the block that the bulge loop piece that is held in the axis hole and ammunition feed spring top support in regular turn in the nut opposite side.

5. the swing arm structure of supporting frame as claimed in claim 4 is characterized in that, this bulge loop piece bottom side is provided with and can promotes block to push the nut of length of spring compressed.

6. the swing arm structure of supporting frame as claimed in claim 4 is characterized in that, is socketed with the interior pipe that is placed in the outer sleeve on the adjustment screw screw rod of this eyelid retractor again.

7. the swing arm structure of supporting frame as claimed in claim 1 is characterized in that, support the place ahead of this swing arm is provided with header board, and support and header board are covered with left and right sides enclosing cover outward.

8. the swing arm structure of supporting frame as claimed in claim 1 is characterized in that, this swing arm is propped up top of the trellis and is provided with the butt joint piece that articulates on the default set steering shaft of joint seat, and the joint seat opposite side is provided with the junction piece that can link external object.

9. the swing arm structure of supporting frame as claimed in claim 1 is characterized in that, this swing arm frame bottom is provided with the coupling shaft that is articulated on the preceding ring of the outside cantilever one side rotatingshaft end face pivot joint block.

10. the swing arm structure of supporting frame as claimed in claim 9 is characterized in that, this cantilever opposite side is provided with to be socketed on and is the socket axle that activity bit is up and down moved on the set pole of external stability seat.

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