Disclosure of Invention
In order to solve the above technical problems, the present invention provides a material door opening and closing locking device, which aims to improve the stability and the easy operation of the existing material door adjusting structure.
In order to achieve the above object, the present invention provides a material door opening and closing locking device, comprising:
a mount having a bearing surface;
the connecting assembly comprises a first connecting rod, the first connecting rod is rotatably installed above the bearing surface of the installation seat through a supporting structure and is provided with a connecting end and a locking end which are respectively arranged on two sides of the supporting structure, the connecting end is used for being connected with a bin gate, and the first connecting rod can be installed on the supporting structure in a left-right sliding mode so as to have a left-right movable stroke;
the eccentric part comprises an eccentric wheel and a pressing section which extends upwards from the eccentric wheel, the pressing section is provided with a threaded hole which transversely penetrates the pressing section along the direction of the pressing section towards the charging door, and the eccentric part is rotatably connected with the locking end of the first connecting rod at an eccentric position so as to drive the connecting end of the first connecting rod to be downwards pressed and connected with the supporting surface to form self-locking when the eccentric part is pressed and pressed against the supporting surface; and the number of the first and second groups,
the adjusting piece is adjusted and installed in a threaded hole of the eccentric piece, so that the eccentric piece is locked when being pressed against the bearing surface, and the eccentric piece and the adjusting piece realize self-locking simultaneously.
Optionally, coupling assembling still includes the second connecting rod, the head rod with the second connecting rod is followed the eccentric part orientation the direction of bin gate transversely extends the setting, just the eccentric part the head rod the second connecting rod with the bin gate is along transversely articulated mutually in proper order, the link of head rod is the centre gripping the setting of second connecting rod both sides face, so that the head rod has along the up-and-down decurrent activity stroke.
Optionally, the support structure includes a clamping area disposed along the vertical direction to clamp the first connecting rod, the clamping area is disposed along the horizontal direction of the first connecting rod, and the first connecting rod can move left and right along the clamping area.
Optionally, bearing structure includes double-screw bolt, spring, spherical packing ring and nut, the double-screw bolt is along wearing to locate from top to bottom the head rod, just the lower extreme rigid coupling of double-screw bolt in on the mount pad, the upper end spiro union of double-screw bolt the nut, spherical packing ring locates the upper surface of head rod with between the nut, the spring housing is located on the double-screw bolt, and locate the lower surface of head rod with between the mount pad, the head rod with the department of being connected of double-screw bolt sets up to the slot hole, the slot hole is followed the head rod transversely extends the setting.
Optionally, the eccentric wheel is disposed in a cylindrical shape, the eccentric wheel has two cylindrical end surfaces and a cylindrical surface connecting the two cylindrical end surfaces, the cylindrical surface of the eccentric wheel abuts against the supporting surface, and the threaded hole transversely penetrates the eccentric wheel along a direction approximately parallel to the two cylindrical end surfaces.
Optionally, the radius of the cylinder of the eccentric wheel is R, the friction coefficient between the eccentric wheel and the supporting surface is μ, the distance between the circle centers of the two cylindrical end surfaces and the cylindrical end surfaces is e, the eccentric position of the eccentric wheel is located at e < μ R, the eccentric position is provided with an installation part, and the first connecting rod is rotatably connected with the installation part.
Optionally, the mounting portion is a cylinder protruding from the end faces of the two cylinders, a through hole is formed in the first connecting piece at a position corresponding to the cylinder, and the cylinder penetrates through the through hole to mount the eccentric wheel on the first connecting piece.
Optionally, a convex part extending along the transverse direction is arranged on the supporting surface of the mounting seat, a groove matched with the convex part on the supporting surface is arranged on the eccentric wheel, and the groove extends along the circumferential direction of the eccentric wheel cylinder; and/or the presence of a gas in the gas,
and a concave part which is matched with the cylindrical surface of the eccentric wheel is arranged on the supporting surface of the mounting seat, and the concave part extends transversely along the supporting surface.
Optionally, the locking end of the first connecting rod is provided with a clamping portion for clamping two cylindrical end surfaces of the eccentric wheel, and the clamping portion is provided with two clamping surfaces arranged opposite to the two cylindrical end surfaces of the eccentric wheel and a connecting surface for connecting the two clamping surfaces.
Optionally, the adjusting member is a screw rod, one end of the screw rod is screwed into the threaded hole, the screw rod can be screwed to abut against the connecting surface of the first connecting rod, so that the eccentric wheel is pressed against the supporting surface, and a hand wheel is arranged at the other end of the screw rod.
According to the technical scheme provided by the invention, the adjusting part is adjusted and pulled to drive the eccentric part to move so as to drive the material door to move, so that the material door can be quickly opened and closed, self-locking can be realized when the eccentric part is pressed on the supporting surface so as to fix the position of the material door, pressure is applied to the eccentric part through the adjusting part so that the eccentric part realizes self-locking, meanwhile, the adjusting part can also realize self-locking, the position state of the material door is fixed more reliably by double locking, the locking and unlocking of the position of the material door can be realized by only adjusting the adjusting part, the structure is simple, the operation is convenient and labor-saving, and the locking is reliable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 to 10 show an embodiment of a material door opening and closing locking device according to the present invention.
Referring to fig. 1 to 2, in the present embodiment, the material door opening and closing locking device includes a mounting seat 1, a connecting assembly 2, an eccentric member 3 and an adjusting member 5, where the mounting seat 1 has a supporting surface; the connecting assembly 2 comprises a first connecting rod 21, the first connecting rod 21 is rotatably mounted above the bearing surface of the mounting seat 1 through a supporting structure 4 so as to be provided with a connecting end and a locking end which are respectively arranged at two sides of the supporting structure 4, the connecting end is used for being connected with a charging door, and the first connecting rod 21 has a left-right movable stroke; the eccentric part 3 comprises an eccentric wheel and a pressing section which extends upwards from the eccentric wheel, the pressing section is provided with a threaded hole which transversely penetrates the pressing section along the direction of the pressing section towards the charging door, the eccentric part 3 is rotatably connected with the locking end of the first connecting rod 21 at the eccentric position, the eccentric part 3 can move left and right along the supporting surface to drive the first connecting rod 21 to move left and right, so that the charging door is driven to be switched between an opening state, a closing state and an intermediate state, and the eccentric part 3 is pressed against the supporting surface to form self locking so as to fix the opening and closing degree of the charging door 7, so that the charging door 7 can be locked at any opening degree; the adjusting piece 5 is adjustably mounted in a threaded hole of the eccentric piece 3, so that the eccentric piece 3 is locked when being pressed against the bearing surface, and the eccentric piece 3 and the adjusting piece 5 realize self-locking simultaneously.
In the technical scheme provided by the invention, the adjusting part is loosened to pull the adjusting part so as to drive the eccentric part 3 to move, so that the material door 7 is driven to move, the material door 7 is quickly opened and closed, self-locking can be realized when the eccentric part 3 is pressed on the supporting surface so as to fix the position of the material door, pressure is applied to the eccentric part 3 through the adjusting part 5 so that the eccentric part 3 realizes self-locking, the adjusting part 5 can realize self-locking, the position state of the material door 7 is fixed more reliably by double locking, and the position of the material door 7 can be locked and unlocked only by adjusting the adjusting part 5.
In this embodiment, please refer to fig. 10, the connecting assembly 2 further includes a second connecting rod 22, the first connecting rod 21 and the second connecting rod 22 are transversely extended along the direction of the eccentric member 3 toward the bin gate 7, the eccentric member 3, the first connecting rod 21, the second connecting rod 22 are transversely hinged to the bin gate 7, and the first connecting rod 21 is disposed at a position where the first connecting rod 21 is hinged to the second connecting rod 22 to clamp two side surfaces of the second connecting rod 22, so that the first connecting rod has a moving stroke along the up-down direction, the moving stroke can be better set by connecting through the second connecting rod 22, and the arrangement form of the second connecting rod 22 is not particularly limited herein and can be determined according to actual production needs.
In this embodiment, the supporting structure 4 includes a clamping area disposed along the vertical direction to clamp the first connecting rod 21, the clamping area is disposed along the horizontal direction of the first connecting rod 21, and the first connecting rod 21 can move left and right in the clamping area, so that the first connecting rod 21 does not deviate, and the material door 7 can be opened and closed more smoothly.
In this embodiment, the supporting structure 4 includes a stud 41, a spring 42, a spherical washer 43 and a nut 44, the stud 41 is disposed through the first connecting rod 21 along the vertical direction, the lower end of the stud 41 is screwed on the mounting seat 1, the upper end of the stud 41 is screwed on the nut 44, the spherical washer 43 is disposed between the upper surface of the first connecting rod 21 and the nut 44, the spherical washer 43 includes a pair of spherical washer pairs, when the first connecting rod 21 rotates around the supporting structure 4, the two spherical washers are mutually matched to better fit the first connecting rod 21, the spring 42 is sleeved on the stud 41 and disposed between the lower surface of the first connecting rod 21 and the mounting seat 1, the joint between the first connecting rod 21 and the stud is a long hole 210, the long hole 210 is disposed along the first connecting rod 21 in the horizontal direction, so that the first connecting rod 21 can move left and right along the long hole 210 to adjust the left and right position of the first connecting rod 21. It is obvious that the long hole 210 may be provided in other shapes to facilitate the movement of the first connecting rod 21. The supporting structure 4 further comprises a flat washer and a spherical nut, the nut 44 realizes tightness adjustment through the threads at the upper end of the stud 41 and through the left and right movement of the pair of spherical washers to the first connecting rod 21, and the spherical nut realizes looseness prevention and locking to the adjusting nut 44. The supporting structure 4 mainly plays a role in limiting the moving range of the first connecting rod 21, so that the eccentric part 3 moves left and right to drive the first connecting rod 21 to move along the clamping area of the supporting structure 4, but at the same time, the spiral structure of the adjusting part 5 can amplify and apply force in a hundred times manner, and the eccentric part 3 can also have a power which is more than 3 times, so that only a small force needs to be applied to the hand wheel 52, the position of the first connecting rod 21 can be locked, that is, the opening and closing position of the material door 7 can also be locked, and the locking is reliable and labor-saving. The arrangement of the supporting structure 4 can be various, so that the arrangement of the first connecting rod 21 moving according to a certain area is within the scope of protection of the present application.
In this embodiment, the eccentric wheel portion of the eccentric member 3 may be set to be eccentric in a circle or eccentric in a curve, specifically, please refer to fig. 3, 4 and 9, in this embodiment, the eccentric wheel is set in a cylinder shape and has a cylinder with a radius of R, the cylinder has two cylinder end faces and a cylinder surface connecting the two cylinder end faces, the cylinder surface of the eccentric wheel abuts against the supporting surface, a friction coefficient between the eccentric wheel and the supporting surface is μ, a distance between a position of the eccentric position on the two cylinder end faces of the cylinder and the center of the circle is e, and e < μ R, where μ is usually 0.1 to 0.15, so that the eccentric wheel can achieve self-locking, and the eccentric position is provided with a mounting portion, and the mounting portion is rotatably connected to the first connecting rod 2.
Furthermore, the mounting portion can be arranged to be a rotating shaft which is convexly arranged on two cylindrical end surfaces of the eccentric wheel, a shaft hole is correspondingly arranged on the first connecting rod 21, and the rotating shaft is inserted into the shaft hole. Obviously, in another embodiment, the mounting portion is a circular hole penetrating through the two cylindrical end surfaces, a through hole is disposed at a position corresponding to the circular hole on the first connecting rod 21, the eccentric wheel and the first connecting rod 2 are inserted into the circular hole and the through hole through a pin shaft to be connected, so that the eccentric wheel can freely rotate around the pin shaft, and the connection manner between the eccentric wheel and the first connecting rod 2 can be varied, which is not repeated herein.
In one embodiment of the present application, referring to fig. 6 and 8, a convex portion 62 extending in a transverse direction is provided on the supporting surface of the mounting base 1, a groove 61 adapted to the convex portion 62 on the supporting surface is provided on the eccentric wheel, and the groove 61 extends along a cylindrical circumference of the eccentric wheel. So that the eccentric wheel is clamped in the groove 61 of the supporting surface and can move left and right along the groove 61. The groove 61 of the eccentric wheel is clamped on the convex part 62 on the supporting surface to form a slide rail and a slide way, so that the eccentric wheel can move left and right along the supporting surface.
In another embodiment of the present application, referring to fig. 5 and 7, a groove 61 adapted to the cylindrical surface of the eccentric wheel is provided on the supporting surface of the mounting base 1, and the groove 61 extends transversely along the supporting surface. So that the eccentric wheel is clamped in the groove 61 of the supporting surface and can move left and right along the groove 61.
In this embodiment, referring to fig. 10, the locking end of the first connecting rod is provided with a clamping portion configured to clamp two cylindrical end surfaces of the eccentric wheel, the clamping portion has two clamping surfaces configured to be opposite to the two cylindrical end surfaces of the eccentric wheel and a connecting surface connecting the two clamping surfaces, and the locking end of the first connecting rod 21 is configured to clamp the eccentric wheel, so that the eccentric wheel is stressed more evenly.
Further, in this embodiment, the adjusting member 5 is a screw 51, the eccentric member 3 is provided with a threaded hole transversely penetrating along the direction of the locking end of the eccentric member 3, one end of the screw 51 is screwed into the threaded hole, and the screw 51 can be screwed to the connecting surface abutting against the first connecting rod 21, so that the eccentric member 3 is pressed against the supporting surface. So as to realize self-locking through a spiral self-locking structure, and the spiral locking mechanism is a labor-saving mechanism, so as to be more convenient to operate. In other embodiments of this application, regulating part 5 still can set up to locate structure on the eccentric part 3, through giving eccentric part 3 exerts pressure, so that eccentric part 3 forms the auto-lock, regulating part 5 still can set up to the manipulator, so as to right eccentric part 3 exerts pressure and forms the auto-lock, the form of setting of regulating part 5 can have the multiple, so that can make eccentric part 3 realizes auto-lock and self lockable setting form all should belong to the protection scope of this application. The other end of the screw rod 51 is provided with a hand wheel 52, the hand wheel 52 and the screw rod 51 can be integrated, and can also be connected through a pin shaft, so that the hand wheel 52 rotates to drive the screw rod 51 to rotate.
A pointer is further fixed on the first connecting rod 21, a ruler is further arranged at a position of the mounting base 1 corresponding to the pointer, and the opening and closing degree of the bin gate is identified according to the moving scale of the pointer.
The specific working principle of the application is that when the bin gate 7 needs to be opened and adjusted, the hand wheel 52 is unscrewed (assuming that the hand wheel 52 rotates anticlockwise for loosening), the hand wheel 52 is slightly lifted upwards, and at the moment, the self-locking state is released between the eccentric wheel and the sliding rail of the mounting base 1. The left and right push and pull of the hand wheel 52 drives the screw 51, the eccentric wheel and the first connecting rod 21 to move left and right, and then drives the bin gate 7 to move left and right, so that the opening and closing of the bin gate 7 or the size adjustment of the opening and closing of the bin gate 7 are realized. The opening degree of the bin gate 7 is indicated by driving the pointer to move left and right through the left and right movement of the first connecting rod 21.
When the charging door 7 is adjusted to a proper position, the hand wheel is screwed in a reverse direction, the left end of the screw rod 51 props against the connecting surface in the fork opening at the right end of the first connecting component 21, so that the eccentric wheel is pushed to rotate clockwise around the cylindrical pin, and the eccentric wheel and the sliding rail of the support are in a self-locking state under the action of the lever force of the first connecting rod 21. At the moment, the self-locking of the screw mechanism and the self-locking of the eccentric wheel are realized, and the double self-locking of the charging door is realized.
In an emergency, when the bin gate 7 needs to be closed, the hand wheel is loosened to release self-locking, and the hand wheel 52 is pushed leftwards, so that the bin gate 7 can be quickly closed.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.