CN212717565U

CN212717565U - Pin shaft convenient to replace

Info

Publication number: CN212717565U
Application number: CN202021268433.2U
Authority: CN
Inventors: 阮仕新; 李守华; 黄忠文
Original assignee: Xiangyang Jishengbang Machinery Co ltd
Current assignee: Xiangyang Jishengbang Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-16
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a convenient round pin axle of changing belongs to round pin axle and changes technical field, and it includes the round pin axle body, the round pin axle body passes first connecting piece and second connecting piece, the top joint of second connecting piece is in the bottom of first connecting piece, the through-hole has been seted up on the right side of round pin axle body outer wall, the inside top of through-hole and the equal sliding connection in below have the cardboard, the left surface of cardboard and the right flank overlap joint of first connecting piece. This convenient round pin axle of changing, through setting up the arm-tie, the slide bar, the steel cable, cardboard and through-hole, the staff stimulates the arm-tie left, make the slide bar drive two cardboards through four steel cables and remove in opposite directions, when two cardboards were located the through-hole completely, along with the staff lasts to stimulate the arm-tie left, can extract the round pin axle body, and is very convenient, need not strike through the instrument, be convenient for change the round pin axle body, still can not cause the influence because of striking first connecting piece and second connecting piece.

Description

Pin shaft convenient to replace

Technical Field

The utility model belongs to the technical field of the round pin axle is changed, specifically be a convenient round pin axle of changing.

Background

The round pin axle is a standardized fastener of a kind, both can static fixed connection, do and do relative motion by the connecting piece, mainly used two parts's articulated department, constitute hinged joint, the mode of installing the round pin axle is bayonet installation mostly at present, and insert two parts back, insert the pinhole on round pin axle surface with the fixed pin again or with the one end of rivet in fixed, it is very inconvenient when changing the round pin axle, need strike fixed pin or rivet through the instrument and make it break away from the pinhole, it is time consuming and energy consuming, the dismouting is very inconvenient, still cause the influence to adapting unit because of striking easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a convenient round pin axle of changing has solved very inconveniently when changing the round pin axle, need strike fixed pin or rivet through the instrument and make it break away from the pinhole, wastes time and energy, and the dismouting is very inconvenient, still leads to the fact the problem of influence because of strikeing adapting unit easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient round pin axle of changing, includes the round pin axle body, the round pin axle body passes first connecting piece and second connecting piece, the top joint of second connecting piece is in the bottom of first connecting piece, the through-hole has been seted up on the right side of round pin axle body outer wall, the inside top of through-hole and the equal sliding connection in below have the cardboard, the left surface of cardboard and the right flank overlap joint of first connecting piece, two the opposite face of cardboard is all through two steel cables and pass the right-hand member fixed connection of two pulleys and same slide bar, the pulley sets up the inner wall at the through-hole, slide bar sliding connection is in the slide hole, the left surface at the through-hole inner wall is seted up to the slide hole, the left end fixed connection of slide bar has the arm-tie, the right flank of arm-tie and.

As a further aspect of the present invention: the sliding sleeve is sleeved on the outer surface of the sliding rod and connected to the inner wall of the sliding hole in a clamping mode, and the left side face of the sliding sleeve is fixedly connected with the right side face of the pulling plate through the first spring.

As a further aspect of the present invention: the sliding rod and the sliding sleeve are both rectangular in shape, and a pull ring is arranged on the left side face of the pull plate.

As a further aspect of the present invention: the right side face of cardboard is fixedly connected with sliding assembly, sliding assembly sliding connection is in the spout, the spout is seted up at the right side face of through-hole inner wall, sliding assembly's bottom and the lower fixed surface of spout inner wall are connected.

As a further aspect of the present invention: the sliding assembly comprises a sliding block, the left side face of the sliding block is fixedly connected with the right side face of the clamping plate, the sliding block is connected in the sliding groove in a sliding mode, and the lower surface of the sliding block is fixedly connected with the lower surface of the inner wall of the sliding groove through a second spring.

As a further aspect of the present invention: the right side face of the clamping plate is arc-shaped.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this convenient round pin axle of changing, through setting up the arm-tie, the slide bar, the steel cable, cardboard and through-hole, when the round pin axle body is pulled down to needs, the staff stimulates the arm-tie left, make the slide bar drive two cardboards through four steel cables and remove in opposite directions, when two cardboards are located the through-hole completely, continuously stimulate the arm-tie left along with the staff, can extract the round pin axle body, and is very convenient, need not strike through the instrument, be convenient for change the round pin axle body, still can not cause the influence because of striking first connecting piece and second connecting piece.

2. This convenient round pin axle of changing, through setting up cardboard, second spring, slider and first connecting piece, when the round pin axle body needs to be installed, during the staff inserts first connecting piece and second connecting piece with the round pin axle body, when round pin axle body right-hand member passed first connecting piece, the elasticity of two second springs supported two sliders for two cardboards stretch out the through-hole, can effectually carry on spacingly to the round pin axle body, are convenient for install the round pin axle body.

3. This convenient round pin axle of changing through setting up pulley, slider, slide bar and sliding sleeve, is the rectangle because of the shape of slide bar and sliding sleeve for the slide bar can not rotate when driving four steel cables and remove, and changes the atress direction of steel cable through the pulley, and effectual drive cardboard removes, because of mutually supporting between slider and the spout, is more stable when making the cardboard remove.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the right-side cross-sectional structure of the pin body of the present invention;

fig. 3 is an enlarged schematic structural view at a position a of the present invention;

in the figure: the sliding mechanism comprises a pin shaft body 1, a first connecting piece 2, a second connecting piece 3, a through hole 4, a steel rope 5, a pulley 6, a sliding hole 7, a sliding sleeve 8, a pulling plate 9, a sliding rod 10, a first spring 11, a sliding component 12, a sliding block 121, a second spring 122, a clamping plate 13 and a sliding chute 14.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a pin shaft convenient to replace comprises a pin shaft body 1, wherein the pin shaft body 1 penetrates through a first connecting piece 2 and a second connecting piece 3, the top end of the second connecting piece 3 is clamped at the bottom of the first connecting piece 2, a through hole 4 is formed in the right side of the outer wall of the pin shaft body 1, clamping plates 13 are connected to the upper part and the lower part inside the through hole 4 in a sliding manner, the right side surface of each clamping plate 13 is arc-shaped, due to the arrangement of the arc-shaped clamping plates 13, when the pin shaft body 1 is installed, a worker does not need to continuously pull a pulling plate 9 to insert the pin shaft body 1 into the first connecting piece 2 and the second connecting piece 3, the pin shaft body 1 is directly pushed, the operation is very convenient and fast, the left side surface of each clamping plate 13 is lapped with the right side surface of the first connecting piece 2, the opposite surfaces of the two clamping plates 13 are fixedly connected with the, change the direction of force of steel cable 5 through pulley 6, effectual drive cardboard 13 removes, and pulley 6 sets up at the inner wall of through-hole 4, and slide bar 10 sliding connection is in slide opening 7, and slide opening 7 is seted up at the left surface of through-hole 4 inner wall, and the left end fixedly connected with arm-tie 9 of slide bar 10, the right flank of arm-tie 9 and the right flank overlap joint of round pin axle body 1 inner wall.

Specifically, as shown in fig. 1, sliding sleeve 8 has been cup jointed to the surface of slide bar 10, sliding sleeve 8 joint is at slide opening 7 inner wall, sliding sleeve 8's left surface is through the right flank fixed connection of first spring 11 with arm-tie 9, through setting up first spring 11, the staff stimulates arm-tie 9 left and loosens behind the arm-tie 9 again, but make the right side pulling arm-tie 9 of first spring 11 certain degree, it is spacing to make effectual arm-tie 9 carry on, make arm-tie 9 rock about being difficult, slide bar 10 and sliding sleeve 8's shape all sets up to the rectangle, through setting up slide bar 10 and sliding sleeve 8, the shape because of slide bar 10 and sliding sleeve 8 is the rectangle, can not rotate when making slide bar 10 drive four steel cables 5 and remove, the left surface of arm-tie 9 is provided with the pull ring.

Specifically, as shown in fig. 1 and 3, the right side surface of the clamping plate 13 is fixedly connected with a sliding assembly 12, the sliding assembly 12 is slidably connected in a sliding groove 14, the sliding groove 14 is formed in the right side surface of the inner wall of the through hole 4, the bottom end of the sliding assembly 12 is fixedly connected with the lower surface of the inner wall of the sliding groove 14, the sliding assembly 12 comprises a sliding block 121, by providing the second spring 122, due to the cooperation between the slider 121 and the slide slot 14, the clamping plate 13 is more stable when moving, the left side surface of the sliding block 121 is fixedly connected with the right side surface of the clamping plate 13, the sliding block 121 is slidably connected in the sliding groove 14, and through the mutual matching between the second spring 122 and the sliding block 121, when the right end of the pin shaft body 1 passes through the first connecting piece 2, the two sliders 121 are supported by the elastic force of the two second springs 122, so that the two clamping plates 13 extend out of the through hole 4, can be effectual carry on spacingly to round pin axle body 1, the lower surface of slider 121 passes through the lower surface fixed connection of second spring 122 and spout 14 inner wall.

The utility model discloses a theory of operation does:

s1, when the pin shaft body 1 needs to be detached, a worker pulls the pulling plate 9 leftwards, so that the pulling plate 9 drives the sliding rod 10 to move leftwards, the sliding rod 10 drives the two clamping plates 13 to move oppositely through the four steel ropes 5, and when the two clamping plates 13 are completely positioned in the through hole 4, the worker continuously pulls the pulling plate 9 leftwards, so that the pin shaft body 1 can be pulled out and replaced;

s2, when the pin shaft body 1 needs to be installed, a worker inserts the pin shaft body 1 into the first connecting piece 2 and the second connecting piece 3, so that the two clamping plates 13 slide inside the first connecting piece 2 and the second connecting piece 3 until the pin shaft body 1 penetrates through the first connecting piece 2;

s3, when the right end of the pin shaft body 1 penetrates through the first connecting piece 2, the elastic force of the two second springs 122 supports the two sliding blocks 121, so that the two sliding blocks 121 respectively drive the two clamping plates 13 to be away from each other, the two clamping plates 13 extend out of the through holes 4, and the pin shaft body 1 can be installed and limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a convenient round pin axle of changing, includes round pin axle body (1), its characterized in that: the hinge pin comprises a hinge pin body (1), a first connecting piece (2) and a second connecting piece (3), wherein the top end of the second connecting piece (3) is clamped at the bottom of the first connecting piece (2), a through hole (4) is formed in the right side of the outer wall of the hinge pin body (1), clamping plates (13) are connected to the upper portion and the lower portion of the inner portion of the through hole (4) in a sliding mode, the left side face of each clamping plate (13) is in lap joint with the right side face of the first connecting piece (2), opposite faces of the two clamping plates (13) are fixedly connected with the right end of the same sliding rod (10) through two steel ropes (5) and two pulleys (6), the pulleys (6) are arranged on the inner wall of the through hole (4), the sliding rod (10) is connected in a sliding hole (7) in a sliding mode, the sliding hole (7) is formed in the left side face of the inner wall of the through hole (4), and, the right side face of the pulling plate (9) is in lap joint with the right side face of the inner wall of the pin shaft body (1).

2. The conveniently replaced pin shaft according to claim 1, characterized in that: sliding sleeve (8) have been cup jointed to the surface of slide bar (10), sliding sleeve (8) joint is at slide opening (7) inner wall, the right flank fixed connection of first spring (11) and arm-tie (9) is passed through to the left surface of sliding sleeve (8).

3. The conveniently replaced pin shaft according to claim 2, characterized in that: the sliding rod (10) and the sliding sleeve (8) are both rectangular in shape, and a pull ring is arranged on the left side face of the pull plate (9).

4. The conveniently replaced pin shaft according to claim 1, characterized in that: the right flank fixedly connected with slip subassembly (12) of cardboard (13), slip subassembly (12) sliding connection is in spout (14), the right flank at through-hole (4) inner wall is seted up in spout (14), the bottom of slip subassembly (12) and the lower surface fixed connection of spout (14) inner wall.

5. The conveniently replaced pin shaft of claim 4, wherein: the sliding assembly (12) comprises a sliding block (121), the left side face of the sliding block (121) is fixedly connected with the right side face of the clamping plate (13), the sliding block (121) is connected in the sliding groove (14) in a sliding mode, and the lower surface of the sliding block (121) is fixedly connected with the lower surface of the inner wall of the sliding groove (14) through a second spring (122).

6. The conveniently replaced pin shaft according to claim 1, characterized in that: the right side surface of the clamping plate (13) is arc-shaped.