CN211852438U

CN211852438U - Special pin shaft with locking structure

Info

Publication number: CN211852438U
Application number: CN202020406821.6U
Authority: CN
Inventors: 陈守德
Original assignee: Jining Ruibo Construction Machinery Co ltd
Current assignee: Jining Ruibo Construction Machinery Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-03
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a special pin shaft with locking structure, which belongs to the technical field of pin shafts and comprises a first fixed column, a second fixed column and a pin shaft, wherein the inner opposite surfaces of the first fixed column and the second fixed column are respectively provided with a mounting groove, and a second toothed block is fixedly mounted in the mounting groove and is respectively distributed in a circular shape relative to the centers of the first fixed column and the second fixed column, and a tooth socket is formed between the second toothed blocks simultaneously, the special pin shaft with the locking structure is characterized in that the inserting columns at the two ends of the pin shaft are inserted into the mounting groove, so that the first toothed block on the inserting column is mutually meshed with the second toothed blocks in the mounting grooves of the first fixed column and the second fixed column, the combined structure is arranged at a designated position, and then the second adjusting screw rods on the two disks are respectively rotated to ensure that the second adjusting screw rods push a mounting plate to move, at the moment, the end of the joint is positioned in the groove, and then the first adjusting screw rod is rotated, so that connection and locking are realized.

Description

Special pin shaft with locking structure

Technical Field

The utility model relates to a round pin axle technical field, in particular to special round pin axle with locking structure.

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, so that the operation is reliable and the disassembly is convenient;

the conventional apparatus has the following disadvantages:

at present, most round pin axles all are a cylinder, do not have locking structure, the installation and the dismantlement of inconvenient round pin axle to the length of round pin axle is all unadjustable, and inconvenient extension or shortening in the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special round pin axle with locking structure to solve most round pin axles that propose in the above-mentioned background art and all be a cylinder, do not have locking structure, the installation and the dismantlement of inconvenient round pin axle, and the length of round pin axle all is unadjustable, inconvenient in the use extends or shortens, uses very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a special pin shaft with a locking structure comprises a first fixing column, a second fixing column and a pin shaft, wherein mounting grooves are formed in opposite surfaces of the inner sides of the first fixing column and the second fixing column, second tooth blocks are fixedly mounted inside the mounting grooves and are respectively distributed in a circular manner relative to the centers of the first fixing column and the second fixing column, tooth grooves are formed between the second tooth blocks, inserting columns are welded to two ends of the pin shaft, a plurality of first tooth blocks distributed in a circular manner relative to the center of the inserting columns are fixedly mounted on the outer wall surfaces of the inserting columns, the inserting columns are respectively located in the mounting grooves, the tooth grooves formed by the first tooth blocks and the second tooth blocks are mutually meshed, a circular disc is welded to one end of each of the first fixing column and the second fixing column, which is far away from the mounting grooves, a second adjusting screw rod is sequentially in threaded connection with the upper portion and the lower portion of the outer wall surfaces of the circular discs, and a mounting disc is, and meanwhile, a plurality of thread cylinders which are circularly distributed about the center of the mounting disc are fixedly mounted on the mounting disc, and the inner parts of the thread cylinders are in threaded connection with first adjusting screw rods.

As a preferred technical scheme of the utility model, the shape that the middle part of mounting disc all was seted up flutedly and recess is the polygon shape, and the equal fixed mounting of inner wall of recess has the slipmat simultaneously.

As a preferred technical scheme of the utility model, the shape, the size homogeneous phase of first fixed column, second fixed column, the external diameter of first fixed column, second fixed column is the same with the external diameter of round pin axle simultaneously.

As a preferred technical scheme of the utility model, the length of inserting the post all is the same with the groove width of mounting groove, all is equipped with anti-skidding line on first tooth piece, the second tooth piece simultaneously.

As an optimal technical scheme of the utility model, first fixed column, second fixed column, round pin axle, mounting disc, disc are the alloy material and make.

As an optimized technical scheme of the utility model, a screw thread section of thick bamboo quantity on the mounting disc is provided with four at least.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a special round pin axle with locking structure, insert the mounting groove through the post of inserting at round pin axle both ends, make first dog and first fixed column on the post of inserting, second dog intermeshing in the second fixed column mounting groove (can select the round pin axle of suitable length as required to install this moment, thereby be convenient for with round pin axle extension and shorten the round pin axle), appointed position is arranged in to the structure that will make up like this, the second adjusting screw on two discs is do not rotated again, make second adjusting screw promote the mounting disc and remove, the end department of junction is located the recess this moment, rotate first adjusting screw so, thereby realize connecting locking, and through setting up first adjusting screw, second adjusting screw, realize quick installation and dismantlement.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front view connection structure of the present invention;

FIG. 3 is a schematic view of the side view connection structure of the present invention;

fig. 4 is a schematic view of the side-view connection structure of the mounting groove internal connection of the first fixing column of the present invention.

In the figure: 1. a disc; 2. a first fixed column; 3. mounting grooves; 4. a pin shaft; 5. inserting a column; 6. a second fixed column; 7. a groove; 8. a threaded barrel; 9. a first adjusting screw; 10. a first tooth block; 11. a second tooth block; 12. mounting a disc; 13. and a second adjusting screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a special pin with a locking structure, which comprises a first fixing column 2, a second fixing column 6 and a pin 4, wherein the inner opposite surfaces of the first fixing column 2 and the second fixing column 6 are respectively provided with a mounting groove 3, the inside of the mounting groove 3 is respectively fixedly provided with a second tooth block 11, the second tooth blocks 11 are respectively distributed in a circular shape about the centers of the first fixing column 2 and the second fixing column 6, tooth spaces are formed between the second tooth blocks 11, the two ends of the pin 4 are respectively welded with an inserting column 5, the outer wall surface of the inserting column 5 is fixedly provided with a plurality of first tooth blocks 10 distributed in a circular shape about the center of the inserting column 5, the inserting columns 5 are respectively positioned in the mounting grooves 3, and the tooth spaces formed by the first tooth blocks 10 and the second tooth blocks 11 are mutually engaged, the first fixing column 2 and the second fixing column 6 are both welded with a disc 1 at one end far away from, simultaneously disc 1's outer wall has second adjusting screw 13 from top to bottom in proper order threaded connection, and the other end of second adjusting screw 13 all rotates through the bearing and installs mounting disc 12, and fixed mounting has a plurality of to be the circular distribution about the center of mounting disc 12 on mounting disc 12 simultaneously a screw thread section of thick bamboo 8, and the equal threaded connection in inside of screw thread section of thick bamboo 8 has first adjusting screw 9.

The shape that recess 7 and recess 7 were all seted up at the middle part of mounting disc 12 is the polygon shape, and the equal fixed mounting of inner wall of recess 7 has the slipmat simultaneously, and recess 7 is used for spacingly, prevents to take place to shift.

The shape and the size of the first fixing column 2 and the second fixing column 6 are the same, and meanwhile, the outer diameters of the first fixing column 2 and the second fixing column 6 are the same as the outer diameter of the pin shaft 4, so that after the combination is completed, the surface is smooth, and better use is facilitated.

The length of inserting the post 5 all is the same with the groove width of mounting groove 3, all is equipped with anti-skidding line on first tooth piece 10, the second tooth piece 11 simultaneously, can improve installation stability like this.

The first fixing column 2, the second fixing column 6, the pin shaft 4, the mounting disc 12 and the disc 1 are all made of alloy materials, and the materials are good in quality and durable.

The number of the thread cylinders 8 on the mounting plate 12 is at least four.

When specifically using, the utility model relates to a special round pin axle with locking structure, select the round pin axle 4 of suitable size earlier as required, insert mounting groove 3 to the post 5 of inserting of 4 both ends of round pin axle again, make first tooth piece 10 and first fixed column 2 on the post 5 of inserting, second tooth piece 11 intermeshing in the 6 mounting groove 3 of second fixed column, the appointed position is arranged in to the structure that will make up like this, the second adjusting screw 13 on two discs 1 is rotated respectively to the subdividing, make second adjusting screw 13 promote mounting disc 12 and remove, the end department of junction is located recess 7 this moment, rotate first adjusting screw 9 so, thereby realize connecting locking, and through setting up first adjusting screw 9, second adjusting screw 13, realize quick installation and dismantlement.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a special round pin axle with locking structure, includes first fixed column (2), second fixed column (6) and round pin axle (4), its characterized in that: the inner opposite surfaces of the first fixing column (2) and the second fixing column (6) are respectively provided with a mounting groove (3), meanwhile, second tooth blocks (11) are fixedly mounted inside the mounting grooves (3), the second tooth blocks (11) are respectively distributed in a circular manner relative to the centers of the first fixing column (2) and the second fixing column (6), tooth grooves are formed between the second tooth blocks (11), inserting columns (5) are welded at two ends of a pin shaft (4), a plurality of first tooth blocks (10) are fixedly mounted on the outer wall surfaces of the inserting columns (5) and are distributed in a circular manner relative to the centers of the inserting columns (5), the inserting columns (5) are respectively positioned in the mounting grooves (3), the tooth grooves formed by the first tooth blocks (10) and the second tooth blocks (11) are mutually meshed, discs (1) are welded at one ends, far away from the mounting grooves (3), of the first fixing column (2) and the second fixing column (6), simultaneously disc (1) outer wall surface from top to bottom in proper order threaded connection has second adjusting screw (13), the other end of second adjusting screw (13) all rotates through the bearing and installs mounting disc (12), and fixed mounting is a plurality of about the center of mounting disc (12) a screw thread section of thick bamboo (8) that is circular distribution on mounting disc (12) simultaneously, the equal threaded connection in inside of a screw thread section of thick bamboo (8) has first adjusting screw (9).

2. The special pin with the locking structure as claimed in claim 1, wherein: the middle part of the mounting disc (12) is provided with a groove (7), the groove (7) is polygonal, and the inner wall of the groove (7) is fixedly provided with an anti-slip pad.

3. The special pin with the locking structure as claimed in claim 1, wherein: the shapes and sizes of the first fixing column (2) and the second fixing column (6) are the same, and the outer diameters of the first fixing column (2) and the second fixing column (6) are the same as the outer diameter of the pin shaft (4).

4. The special pin with the locking structure as claimed in claim 1, wherein: the length of inserted column (5) all is the same with the groove width of mounting groove (3), all is equipped with anti-skidding line on first tooth piece (10), second tooth piece (11) simultaneously.

5. The special pin with the locking structure as claimed in claim 1, wherein: the first fixing column (2), the second fixing column (6), the pin shaft (4), the mounting plate (12) and the disc (1) are all made of alloy materials.

6. The special pin with the locking structure as claimed in claim 1, wherein: the number of the thread cylinders (8) on the mounting disc (12) is at least four.