CN117628032A

CN117628032A - Combined pin shaft locking piece

Info

Publication number: CN117628032A
Application number: CN202311518542.3A
Authority: CN
Inventors: 季兆军; 祁华
Original assignee: JIANGSU HUATIAN MACHINERY EQUIPMENT CO Ltd
Current assignee: JIANGSU HUATIAN MACHINERY EQUIPMENT CO Ltd
Priority date: 2023-11-14
Filing date: 2023-11-14
Publication date: 2024-03-01

Abstract

The invention relates to the technical field of pin shaft application, in particular to a combined pin shaft locking piece, which comprises: the mounting block is connected with a pin shaft, the positioning groove is connected with a positioning rod, the jack is connected with an inserting rod, the inserting rod is connected with a connecting disc, the spring is connected with a fixing disc, the supporting block is provided with a connecting block and a bottom plate, and the connecting rod is connected with a first hinge seat and a second hinge seat; the threaded rod is connected with a threaded cylinder; the locating groove is aligned with the locating rod, the pin shaft slides in the mounting groove, the movable plate is pressed downwards simultaneously, the hinged support drives the connecting rod, the connecting rod drives the bottom plate through the hinged support II, the bottom plate drives the supporting block to drive the spring to stretch, meanwhile, the inserting rod is separated from the mounting groove, when the pin shaft reaches the maximum limit, the movable plate is loosened, the inserting rod is inserted into the inserting hole, then the threaded cylinder is rotated to enable the inserting rod to be in contact with the movable plate, locking of the pin shaft is completed, the problem that the pin shaft needs to be replaced by means of tools when the pin shaft is locked is solved, convenience is improved, replacement of a locking structure of the pin shaft is not needed, and practicability is improved.

Description

Combined pin shaft locking piece

Technical Field

The invention relates to the technical field of pin shaft application, in particular to a combined pin shaft locking piece.

Background

The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach.

The use of current round pin axle in the aspect of locking adopts the metal strip to pass the through-hole of round pin axle and bend to lock more, and it is comparatively troublesome that its locking needs the instrument, and the metal strip needs to be changed after bending many times simultaneously, and the practicality is relatively poor.

Disclosure of Invention

The invention aims to provide a combined pin shaft locking piece, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a modular pin lock comprising: the mounting block is connected with a pin shaft, a positioning groove and an inserting hole are formed in the pin shaft, the positioning groove is connected with a positioning rod, the inserting hole is connected with an inserting rod, the inserting rod is connected with a connecting disc, the connecting disc is connected with a spring and a supporting block, the spring is connected with a fixed disc, a connecting block and a bottom plate are arranged on the supporting block, the connecting block is connected with a connecting groove, the bottom plate is connected with a second hinged support, the second hinged support is connected with a connecting rod, the connecting rod is connected with a first hinged support, the first hinged support is connected with a movable plate, and the movable plate is connected with a guide rod;

the installation block is provided with a threaded rod which is connected with a threaded cylinder.

Preferably, the top surface center fixedly connected with threaded rod of installation piece, and threaded rod perpendicular to the top surface of installation piece, threaded connection has a screw thread section of thick bamboo on the outer wall of threaded rod, and the screw thread section of thick bamboo is in the top of installation piece.

Preferably, the front wall center and the rear wall center of the installation block are fixedly connected with a fixed cylinder, one end inner wall of the fixed cylinder is fixedly connected with a fixed disc, the fixed disc is near one end of the installation block, holes are formed in the centers of the fixed discs, and the inner wall of each hole is in sliding connection with the outer wall of the inserted link.

Preferably, the one end of inserted bar is all fixedly connected with connection pad, and the connection pad is in a fixed section of thick bamboo, and the one side wall of connection pad all respectively with the one end fixed connection of spring, the other end fixed connection of spring is on the fixed disk, and the spring is in a fixed section of thick bamboo, the center of spring and the center of inserted bar are on same horizontal line, and the internal diameter of spring is greater than the external diameter of inserted bar.

Preferably, the other end of the inserted link passes through the mounting block and is respectively movably connected with the inner wall of the jack, the jack is arranged on the outer wall of the front side and the rear side of the left end of the pin shaft, the outer wall of the pin shaft is movably connected with the inner wall of the mounting groove, the mounting groove is arranged in the center of the right wall of the mounting block, the outer wall of the upper side of the left end of the pin shaft is provided with the positioning groove, the positioning groove is movably connected with the positioning link, and the positioning link is fixedly connected on the inner wall of the upper end of the mounting groove.

Preferably, the equal fixedly connected with supporting shoe on the connection pad upper end outer wall, the supporting shoe is between the movable groove, and the movable groove is seted up on fixed section of thick bamboo upper end outer wall, and the equal fixedly connected with connecting block of wall about the supporting shoe, the connecting block all is connected with the spread groove, and the spread groove is seted up in fixed section of thick bamboo, and link up mutually with the movable groove, and be in the left and right sides of movable groove respectively.

Preferably, the top surface fixedly connected with bottom plate of supporting shoe, the bottom plate is in the top of fixed section of thick bamboo, and the bottom surface of bottom plate and the outer wall sliding connection of fixed section of thick bamboo, the equal fixedly connected with free bearing second of top surface of bottom plate, free bearing second and the one end rotation of connecting rod are connected, and the connecting rod is in the front and back both sides of installing block respectively, and the other end of connecting rod is all connected with free bearing first with the rotation, and free bearing first is fixed connection respectively at the both ends of fly leaf.

Preferably, the movable plate is above the threaded cylinder, the center of the movable plate and the center of the threaded cylinder are on the same vertical line, the bottom surface of the movable plate is in movable contact with the top surface of the threaded cylinder, the front end and the rear end of the movable plate slide on the outer wall of the guide rod respectively, the lower end surface of the guide rod is fixedly connected to the top surface of the mounting block, and the guide rod is respectively arranged on the front side and the rear side of the threaded cylinder.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the positioning groove on the pin shaft is aligned with the positioning rod, so that the positioning groove slides on the positioning rod, the pin shaft slides in the mounting groove and simultaneously presses the movable plate downwards to slide on the guide rod, the movable plate drives the connecting rod through the hinged support, the connecting rod drives the bottom plate through the hinged support II, the bottom plate drives the supporting block to enable the connecting disc to move outwards, the connecting disc drives the spring to stretch, meanwhile, the inserting rod is driven to move outwards to enable the inserting rod to be separated from the mounting groove, when the pin shaft reaches the maximum limit, the movable plate is loosened, the inserting rod is restored to the original position through the spring, the inserting rod is inserted into the inserting hole, then the threaded cylinder is rotated to enable the threaded cylinder to move on the threaded rod, the threaded cylinder is contacted with the movable plate, and the pin shaft is locked, the problem that tools are needed to be used when the pin shaft is locked is solved, convenience is improved, replacement of a locking structure of the pin shaft is not needed, and practicability is improved.

Drawings

FIG. 1 is a schematic top right view of the invention prior to separation of the pin and mounting block;

FIG. 2 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of the area B in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the internal structure of the fixing barrel of the present invention;

FIG. 5 is a schematic view of the connection of the fixture cylinder and the fixture disk of the present invention.

In the figure: 1. a mounting block; 2. a connecting rod; 3. a first hinged support; 4. a movable plate; 5. a guide rod; 6. a thread cylinder; 7. a threaded rod; 8. a positioning groove; 9. a pin shaft; 10. a jack; 11. a fixed cylinder; 12. a movable groove; 13. a connecting disc; 14. a second hinged support; 15. a bottom plate; 16. a connecting block; 17. a connecting groove; 18. a spring; 19. a support block; 20. a mounting groove; 21. a positioning rod; 22. a rod; 23. a fixed plate; 24. holes.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present invention provides a technical solution: a modular pin lock comprising: the installation block 1, the installation block 1 is connected with the pin shaft 9, the pin shaft 9 is provided with the positioning groove 8 and the jack 10, the positioning groove 8 is connected with the positioning rod 21, the jack 10 is connected with the inserted rod 22, the other end of the inserted rod 22 passes through the installation block 1 and is respectively movably connected with the inner wall of the jack 10, the jack 10 is provided with the front and rear outer wall of the left end of the pin shaft 9, the outer wall of the pin shaft 9 is movably connected with the inner wall of the installation groove 20, the installation groove 20 is provided with the right wall center of the installation block 1, the left end upper outer wall of the pin shaft 9 is provided with the positioning groove 8, the positioning groove 8 is movably connected with the positioning rod 21, the positioning groove 8 slides on the positioning rod 21 to realize the correspondence between the inserted rod 22 and the jack 10, the positioning rod 21 is fixedly connected with the inner wall of the upper end of the installation groove 20, the inserted rod 22 is connected with the connecting disc 13, the connecting disc 13 is connected with the spring 18 and the supporting block 19, one end of the inserted rod 22 is fixedly connected with the connecting disc 13, the connecting disc 13 is arranged in the fixed cylinder 11, one side wall of the connecting disc 13 is fixedly connected with one end of the spring 18 respectively, the inserting rod 22 and the jack 10 are tightly connected by the acting force of the spring 18, the other end of the spring 18 is fixedly connected with the fixed disc 23, the spring 18 is arranged in the fixed cylinder 11, the center of the spring 18 and the center of the inserting rod 22 are arranged on the same horizontal line, the inner diameter of the spring 18 is larger than the outer diameter of the inserting rod 22, one end of the inserting rod 22 is arranged in the mounting groove 20 under the condition that no external force is applied, the spring 18 is connected with the fixed disc 23, the fixed cylinder 11 is fixedly connected with the centers of the front wall and the rear wall of the mounting block 1, one end inner wall of the fixed cylinder 11 is fixedly connected with the fixed disc 23, the fixed disc 23 is arranged at one end close to the mounting block 1, the center of the fixed disc 23 is provided with a hole 24, the inner wall of the hole 24 is in sliding connection with the outer wall of the inserting rod 22, the hole 24 facilitates the movement of the plunger 22;

the supporting block 19 is provided with the connecting block 16 and the bottom plate 15, the connecting block 16 is connected with the connecting groove 17, the outer walls of the upper ends of the connecting discs 13 are fixedly connected with the supporting block 19, the supporting block 19 is arranged between the movable grooves 12, the movable grooves 12 are arranged on the outer walls of the upper ends of the fixed cylinders 11, the left and right walls of the supporting block 19 are fixedly connected with the connecting block 16, the connecting block 16 is slidably connected with the connecting groove 17, the supporting block 19 is stably moved by the existence of the connecting block 16 and the connecting groove 17, thereby realizing the stable movement of the inserting rod 22, the connecting groove 17 is arranged in the fixed cylinders 11 and is communicated with the movable grooves 12, and the connecting grooves are respectively arranged at the left side and the right side of the movable grooves 12, the bottom plate 15 is connected with the second hinge support 14, the second hinge support 14 is connected with the connecting rod 2, the first hinge support 3 is connected with the movable plate 4, the top surface of the supporting block 19 is fixedly connected with the bottom plate 15, the bottom plate 15 is arranged above the fixed cylinder 11, the bottom surface of the bottom plate 15 is in sliding connection with the outer wall of the fixed cylinder 11, the top surface of the bottom plate 15 is fixedly connected with a hinged support II 14, the hinged support II 14 is in rotary connection with one end of the connecting rod 2, the connecting rod 2 is respectively arranged on the front side and the rear side of the mounting block 1, the other end of the connecting rod 2 is fixedly connected with a hinged support I3 in rotary connection with the hinged support I3, the hinged support I3 is respectively fixedly connected with the two ends of the movable plate 4, the movable plate 4 is connected with a guide rod 5, the movable plate 4 is arranged above the threaded cylinder 6, the center of the movable plate 4 and the center of the threaded cylinder 6 are arranged on the same vertical line, the bottom surface of the movable plate 4 is in movable contact with the top surface of the threaded cylinder 6, the front end and the rear end of the movable plate 4 respectively slide on the outer wall of the guide rod 5, the lower end surface of the guide rod 5 is fixedly connected with the top surface of the mounting block 1, the guide rod 5 is respectively arranged on the front side and the rear side of the threaded cylinder 6, the movable plate 4 can stably move due to the guide rod 5;

be equipped with threaded rod 7 on the installation piece 1, threaded rod 7 is connected with threaded cylinder 6, the top surface center fixedly connected with threaded rod 7 of installation piece 1, and threaded rod 7 perpendicular to the top surface of installation piece 1, threaded connection has threaded cylinder 6 on the outer wall of threaded rod 7, threaded cylinder 6 is in the top of installation piece 1, make it remove on threaded rod 7 through rotating threaded cylinder 6, make threaded cylinder 6 and fly leaf 4 contact, can prevent that external force from making fly leaf 4 move down, and then avoid inserted bar 22 to break away from jack 10, when needs unblock, make threaded cylinder 6 resume the normal position earlier, press fly leaf 4 again, take out round pin axle 9 again.

When the device works, the positioning groove 8 on the pin shaft 9 is aligned with the positioning rod 21, the positioning groove 8 slides on the positioning rod 21, the pin shaft 9 slides in the mounting groove 20 and simultaneously downwards presses the movable plate 4 to slide on the guide rod 5, the movable plate 4 drives the connecting rod 2 through the hinge seat I3, the connecting rod 2 drives the bottom plate 15 through the hinge seat II 14, the bottom plate 15 drives the supporting block 19 to enable the connecting disc 13 to move outwards, the connecting disc 13 drives the spring 18 to stretch, meanwhile, the inserting rod 22 is driven to move outwards to enable the inserting rod 22 to be separated from the mounting groove 20, when the pin shaft 9 reaches the maximum limit, the movable plate 4 is loosened, the inserting rod 22 is restored to the original position by the spring 18, the inserting rod 22 is inserted into the inserting hole 10, then the threaded cylinder 6 is rotated to enable the threaded rod 7 to move, the threaded cylinder 6 is contacted with the movable plate 4, and locking of the pin shaft 9 is completed.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A modular pin lock comprising: installation piece (1), its characterized in that: the mounting block (1) is connected with a pin shaft (9), a positioning groove (8) and a jack (10) are formed in the pin shaft (9), the positioning groove (8) is connected with a positioning rod (21), the jack (10) is connected with a plug rod (22), the plug rod (22) is connected with a connecting disc (13), the connecting disc (13) is connected with a spring (18) and a supporting block (19), the spring (18) is connected with a fixed disc (23), the supporting block (19) is provided with a connecting block (16) and a bottom plate (15), the connecting block (16) is connected with a connecting groove (17), the bottom plate (15) is connected with a hinged seat II (14), the hinged seat II (14) is connected with a connecting rod (2), the connecting rod (2) is connected with a hinged seat I (3), the hinged seat I (3) is connected with a movable plate (4), and the movable plate (4) is connected with a guide rod (5);

the installation block (1) is provided with a threaded rod (7), and the threaded rod (7) is connected with a threaded cylinder (6).

2. The combination pin lock of claim 1, wherein: the top surface center fixedly connected with threaded rod (7) of installation piece (1), and threaded rod (7) perpendicular to the top surface of installation piece (1), threaded connection has screw thread section of thick bamboo (6) on the outer wall of threaded rod (7), and screw thread section of thick bamboo (6) are in the top of installation piece (1).

3. The combination pin lock of claim 2, wherein: the fixed barrel (11) is fixedly connected to the centers of the front wall and the rear wall of the installation block (1), the fixed disc (23) is fixedly connected to the inner wall of one end of the fixed barrel (11), the fixed disc (23) is arranged at one end close to the installation block (1), holes (24) are formed in the centers of the fixed disc (23), and the inner wall of the holes (24) is in sliding connection with the outer wall of the inserted rod (22).

4. A modular pin lock according to claim 3, wherein: the one end of inserted bar (22) is all fixedly connected with connection pad (13), and connection pad (13) are in fixed section of thick bamboo (11), and one side wall of connection pad (13) all is with one end fixed connection of spring (18) respectively, and the other end fixed connection of spring (18) is on fixed disk (23), and spring (18) are in fixed section of thick bamboo (11), and the center of spring (18) and the center of inserted bar (22) are on same horizontal line, and the internal diameter of spring (18) is greater than the external diameter of inserted bar (22).

5. The modular pin lock of claim 4, wherein: the other end of inserted bar (22) passes installation piece (1), and with the inner wall swing joint of jack (10) respectively, jack (10) are seted up on the front and back side outer wall of round pin axle (9) left end, the inner wall swing joint of the outer wall of round pin axle (9) and mounting groove (20), right wall center at installation piece (1) is seted up in mounting groove (20), locating slot (8) have been seted up on the left end upside outer wall of round pin axle (9), locating slot (8) swing joint has locating lever (21), locating lever (21) fixed connection is on the inner wall of mounting groove (20) upper end.

6. The modular pin lock of claim 5, wherein: the connecting disc is characterized in that supporting blocks (19) are fixedly connected to the outer wall of the upper end of the connecting disc (13), the supporting blocks (19) are arranged between the movable grooves (12), the movable grooves (12) are formed in the outer wall of the upper end of the fixed cylinder (11), connecting blocks (16) are fixedly connected to the left wall and the right wall of the supporting blocks (19), connecting grooves (17) are formed in the connecting blocks (16), the connecting grooves (17) are formed in the fixed cylinder (11) and are communicated with the movable grooves (12), and the connecting blocks are respectively arranged on the left side and the right side of the movable grooves (12).

7. The modular pin lock of claim 6, wherein: the top surface fixedly connected with bottom plate (15) of supporting shoe (19), bottom plate (15) are in the top of fixed section of thick bamboo (11), and the outer wall sliding connection of bottom plate (15) bottom surface and fixed section of thick bamboo (11), the equal fixedly connected with free bearing two (14) of top surface of bottom plate (15), free bearing two (14) and the one end rotation of connecting rod (2) are connected, connecting rod (2) are in the front and back both sides of installation piece (1) respectively, the other end of connecting rod (2) all with rotate and be connected with free bearing one (3), free bearing one (3) are fixed connection in the both ends of fly leaf (4) respectively.

8. The combination pin lock of claim 1, wherein: the movable plate (4) is arranged above the threaded cylinder (6), the center of the movable plate (4) and the center of the threaded cylinder (6) are arranged on the same vertical line, the bottom surface of the movable plate (4) is in movable contact with the top surface of the threaded cylinder (6), the front end and the rear end of the movable plate (4) slide on the outer wall of the guide rod (5) respectively, the lower end face of the guide rod (5) is fixedly connected to the top surface of the mounting block (1), and the guide rod (5) is arranged on the front side and the rear side of the threaded cylinder (6) respectively.