CN212959428U

CN212959428U - Anti-theft pin shaft

Info

Publication number: CN212959428U
Application number: CN202021703890.XU
Authority: CN
Inventors: 任亚辉
Original assignee: Ningbo Zhende Construction Machinery Co ltd
Current assignee: Ningbo Zhende Construction Machinery Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-13
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a round pin axle field just discloses a theftproof round pin axle, including top board and bottom plate, corresponding connecting hole has all been seted up at the middle part of top board and bottom plate, and the inside of two connecting holes is pegged graft and is had same root round pin axle body, two fixed plates that are located the round pin axle body left and right sides respectively are installed at the top of top board, and sliding connection has the locating plate between two sets of fixed plates, the bottom of locating plate and the top fixed connection of round pin axle body. This theftproof round pin axle, after the round pin axle body installation targets in place, two positioning bolt of screw in can fix the locating plate, and the last application of force groove of positioning bolt sets up to special shape to the screwdriver or the application of force pole of cooperation with it, in order to conveniently to the positioning bolt application of force, make positioning bolt's screw in and screw out condition require higher, then install the limiting plate again, can increase the degree of difficulty that the round pin axle body was demolishd by the brute force, make the theftproof effect of round pin axle body better.

Description

Anti-theft pin shaft

Technical Field

The utility model relates to a round pin axle field specifically is a theftproof round pin axle.

Background

The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection. The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly.

The pin shaft is often used for connecting two components which need to move relatively when in use, but the pin shaft is easy to loosen or be detached when the pin shaft is fixed by the pin shaft fixing mode which is commonly used at present, so that the pin shaft is easy to loosen and lose. Therefore, an anti-theft pin shaft is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a theftproof round pin axle has solved the fixed mode of round pin axle commonly used now, when fixing the round pin axle, the round pin axle takes place easily not hard up or is torn open for the round pin axle is easy not hard up and the problem of losing.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an anti-theft pin shaft, includes top plate and bottom plate, corresponding connecting hole has all been seted up at the middle part of top plate and bottom plate, and the inside grafting of two connecting holes has same round pin axle body.

Two fixed plates which are respectively positioned at the left side and the right side of the pin shaft body are installed at the top of the top plate, a positioning plate is connected between the two groups of fixed plates in a sliding manner, the bottom of the positioning plate is fixedly connected with the top of the pin shaft body, and a positioning bolt connected with the positioning plate is in threaded connection with the middle of each fixed plate.

The bottom fixedly connected with of bottom plate is connected with the limiting plate that corresponds with round pin axle body, the top of limiting plate is rotated and is connected with the reference column, the fixed slot has been seted up to the bottom of round pin axle body, the top of reference column is pegged graft in the inside of fixed slot and is rotated with the fixed slot and be connected.

Furthermore, a guide groove is formed in one surface, close to the positioning plate, of the fixing plate, a guide plate fixedly connected with the positioning plate is connected to the inside of the guide groove in a sliding mode, and the positioning bolt is in threaded connection with the guide plate.

Furthermore, a rotating groove is formed in the top of the limiting plate, a rotating disc is rotatably connected to the inside of the rotating groove, and the bottom end of the positioning column is fixedly connected with the top of the rotating disc.

Furthermore, two positioning grooves which are respectively positioned at the left side and the right side of the pin shaft body are formed in the bottom of the bottom plate, and positioning rods fixedly connected with the bottom and the limiting plate are inserted into the positioning grooves.

Furthermore, a rotating groove is formed in the top of the positioning column, and a ball is rotatably connected inside the rotating groove.

Further, the otic placode is all installed at the front and the back of limiting plate, the middle part threaded connection of otic placode has fixing bolt, fixing bolt's top and the bottom threaded connection of bottom plate.

The utility model has the advantages that:

1. the utility model discloses a, after the installation of round pin axle body targets in place, two positioning bolt of screw in can fix the locating plate, and the last application of force groove of positioning bolt sets up to special shape to the screwdriver or the application of force pole of adaptation with it is lapped, with the convenience to the positioning bolt application of force, make positioning bolt's screw in and screw out condition requirement higher, increase the degree of difficulty that round pin axle body was demolishd by the brute force, make the theftproof effect of round pin axle body better.

2. The utility model discloses a, in the fixed slot was inserted to the guide post of limiting plate top, when limiting the bottom of round pin axle body, can also guarantee the connecting hole internal rotation that the round pin axle body can be on the bottom plate for it is more smooth and easy and stable when removing to take place between bottom plate and the top plate, also can increase the degree of difficulty when round pin axle body is demolishd by the brute force simultaneously, makes round pin axle body more stable and safety.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a connection structure of the middle bottom plate and the limiting plate of the present invention;

fig. 3 is an enlarged view of a in fig. 1.

In the figure: 1. a top plate; 2. a bottom plate; 3. connecting holes; 4. a pin shaft body; 5. a fixing plate; 6. positioning a plate; 7. positioning the bolt; 8. a limiting plate; 9. a positioning column; 10. fixing grooves; 11. a guide groove; 12. a guide plate; 13. rotating the groove; 14. rotating the disc; 15. positioning a groove; 16. positioning a rod; 17. a rotating groove; 18. a ball bearing; 19. an ear plate; 20. and (5) fixing the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: the utility model provides a theftproof round pin axle, includes top plate 1 and bottom plate 2, corresponding connecting hole 3 has all been seted up at the middle part of top plate 1 and bottom plate 2, and the inside grafting of two connecting holes 3 has same root pin axle body 4, through the round pin axle body 4 of grafting in connecting hole 3 for bottom plate 2 and top plate 1 are connected, and is more smooth and easy when rotating between top plate 1 and the bottom plate 2.

Two fixing plates 5 respectively positioned at the left side and the right side of a pin shaft body 4 are arranged at the top of a top plate 1, a positioning plate 6 is connected between the two groups of fixing plates 5 in a sliding manner, the bottom of the positioning plate 6 is fixedly connected with the top of the pin shaft body 4, a positioning bolt 7 connected with the positioning plate 6 is in threaded connection with the middle of the fixing plate 5, when the pin shaft body 4 is installed, the pin shaft body 4 is inserted into a connecting hole 3 in an aligning manner, the positioning plate 6 is inserted between the two fixing plates 5, after the pin shaft body 4 is installed in place, the two positioning bolts 7 can be screwed in to fix the positioning plate 6, a force application groove on the positioning bolt 7 is set to be in a special shape, and a screwdriver or a force application rod matched with the force application groove is matched with the force application groove to apply force to the positioning bolts 7 conveniently, so that the screwing-in and unscrewing, when a special screwdriver or a force application rod is used for removing, the operation is very easy.

Limiting plate 8 that bottom plate 2's bottom fixedly connected with and round pin axle body 4 correspond, limiting plate 8's top is rotated and is connected with reference column 9, fixed slot 10 has been seted up to round pin axle body 4's bottom, reference column 9's top is pegged graft in the inside of fixed slot 10 and is rotated with fixed slot 10 and be connected, after round pin axle body 4's top is fixed, install limiting plate 8 again, reference column 9 of limiting plate 8 top is inserted in fixed slot 10, when the bottom to round pin axle body 4 is restricted, can also guarantee that round pin axle body 4 can be at the 3 rotations of connecting hole on bottom plate 2, make between bottom plate 2 and the top plate 1 take place when removing smooth and easy and stable more, also can increase the degree of difficulty when round pin axle body 4 is demolishd by the brute force simultaneously, make round.

After two connecting holes 3 are aligned, need install round pin axle body 4, the one side that fixed plate 5 is close to locating plate 6 is opened and is equipped with guide way 11, the inside sliding connection of guide way 11 has deflector 12 with 6 fixed connection of locating plate, positioning bolt 7 and deflector 12 threaded connection, insert two connecting holes 3 from top to bottom with the bottom of round pin axle body 4, this in-process, aim at guide way 11 with deflector 12, can make the mounted position of round pin axle body 4 more accurate, then screw in positioning bolt 7, can fix deflector 12 and locating plate 6, make the position of round pin axle body 4 more firm.

After the limiting plate 8 is installed, the bottom of the pin shaft body 4 can be limited, the top of the limiting plate 8 is provided with a rotating groove 13, the inside of the rotating groove 13 is rotatably connected with a rotating disc 14, the bottom end of a positioning column 9 is fixedly connected with the top of the rotating disc 14, the bottom of the bottom plate 2 is provided with two positioning grooves 15 which are respectively positioned at the left side and the right side of the pin shaft body 4, positioning rods 16 of which the bottoms are fixedly connected with the limiting plate 8 are inserted into the positioning grooves 15, the top of the positioning column 9 is provided with a rotating groove 17, the inside of the rotating groove 17 is rotatably connected with a ball 18, the front surface and the back surface of the limiting plate 8 are both provided with lug plates 19, the middle parts of the lug plates 19 are in threaded connection with fixing bolts 20, the tops of the fixing bolts 20 are in threaded connection with the bottoms of the bottom plate 2, then the fixing bolt 20 is screwed in, the structure of the fixing bolt 20 is the same as that of the positioning bolt 7, a specific screwdriver or a force application rod can be used for rotating, meanwhile, the positioning column 9 is inserted into the fixing groove 10, when the pin shaft body 4 rotates, the positioning column 9 can rotate in the positioning groove 15, the ball 18 can also rotate correspondingly, and therefore the using effect of the pin shaft body 4 is better.

To sum up, the utility model discloses when using, after two connecting holes 3 are aimed at, need install round pin axle body 4, insert two connecting holes 3 with the bottom of round pin axle body 4 from top to bottom, this in-process, aim at guide way 11 with deflector 12, can be so that the mounted position of round pin axle body 4 is more accurate, then screw in positioning bolt 7, can fix deflector 12 and locating plate 6, aim at constant head tank 15 and insert with the locating lever 16 at limiting plate 8 top, can guarantee the precision of limiting plate 8 installation, then screw in fixing bolt 20, can fix the bottom of round pin axle body 4.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an anti-theft pin axle, includes top plate (1) and bottom plate (2), its characterized in that: the middle parts of the top plate (1) and the bottom plate (2) are respectively provided with a corresponding connecting hole (3), and the same pin shaft body (4) is inserted into the two connecting holes (3);

the top of the top plate (1) is provided with two fixing plates (5) which are respectively positioned at the left side and the right side of the pin shaft body (4), a positioning plate (6) is connected between the two fixing plates (5) in a sliding manner, the bottom of the positioning plate (6) is fixedly connected with the top of the pin shaft body (4), and the middle part of each fixing plate (5) is in threaded connection with a positioning bolt (7) connected with the positioning plate (6);

the bottom fixedly connected with of bottom board (2) is with limiting plate (8) that round pin axle body (4) correspond, the top of limiting plate (8) is rotated and is connected with reference column (9), fixed slot (10) have been seted up to the bottom of round pin axle body (4), the top of reference column (9) is pegged graft in the inside of fixed slot (10) and is rotated with fixed slot (10) and is connected.

2. The anti-theft pin according to claim 1, characterized in that: guide way (11) have been seted up to the one side that fixed plate (5) are close to locating plate (6), the inside sliding connection of guide way (11) has deflector (12) with locating plate (6) fixed connection, positioning bolt (7) and deflector (12) threaded connection.

3. The anti-theft pin according to claim 1, characterized in that: rotating groove (13) have been seted up at the top of limiting plate (8), the inside rotation in rotating groove (13) is connected with rolling disc (14), the bottom of reference column (9) and the top fixed connection of rolling disc (14).

4. The anti-theft pin according to claim 1, characterized in that: two locating grooves (15) which are respectively located at the left side and the right side of the pin shaft body (4) are formed in the bottom of the bottom plate (2), and locating rods (16) fixedly connected with the bottom and the limiting plates (8) are inserted into the locating grooves (15).

5. The anti-theft pin according to claim 1, characterized in that: the top of the positioning column (9) is provided with a rotating groove (17), and the inside of the rotating groove (17) is rotatably connected with a ball (18).

6. The anti-theft pin according to claim 1, characterized in that: the front and the back of limiting plate (8) are all installed otic placode (19), the middle part threaded connection of otic placode (19) has fixing bolt (20), the top of fixing bolt (20) and the bottom threaded connection of bottom plate (2).