CN216143159U

CN216143159U - Piston convenient for installing bolt

Info

Publication number: CN216143159U
Application number: CN202121574168.5U
Authority: CN
Inventors: 林炳炜
Original assignee: Zhejiang Zhenkai Piston Manufacturing Co ltd
Current assignee: Zhejiang Zhenkai Piston Manufacturing Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-29
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a piston convenient for installing a bolt, which comprises a piston rod body, wherein two ends of the piston rod body are respectively and fixedly connected with connectors, and threaded sliding sleeves are respectively sleeved on the two connectors, and the piston further comprises: the convex strips are uniformly arranged inside the threaded sliding sleeve and are fixedly connected with the inner surface wall of the threaded sliding sleeve; the grooves are uniformly embedded in the outer wall of the connector; the plurality of limiting parts are arranged inside the connector, are uniformly distributed along the circumferential direction of the connector and are used for fixing the position of the threaded sliding sleeve; and the limiting bolt is arranged inside the connector. According to the utility model, the threaded sliding sleeve and the connector can be connected with each other through the mutual matching of the convex strip, the groove, the limiting part, the limiting bolt and the ejector rod, so that the threaded sliding sleeve and the connector can be conveniently mounted and dismounted, and the service life of the piston rod body is prolonged to a certain extent.

Description

Piston convenient for installing bolt

Technical Field

The utility model relates to the technical field of pistons, in particular to a piston with a plug convenient to install.

Background

Piston rods are widely applied to the mechanical industry, and the connection modes of the piston rods and the pistons in the prior art are mainly four: 1. a threaded connection type; 2. a clamping key connection type; 3. the piston rod is welded with the piston; 4. piston rod and piston integral type, the former two kinds are more commonly used, because threaded connection formula structure processing is simple, the equipment is easy, more extensive by the application, under general condition, the piston adopts threaded connection with the piston rod, the threaded connection head that is used for connecting the piston on the piston rod is integrative with piston rod processing usually, but adopt threaded connection, after the piston rod live time is longer, owing to receive the ascending repeated impact force in radial direction for a long time, threaded connection head is very easy to be at the fracture of tool withdrawal groove department, in case the screw thread receives the damage, just need change whole piston rod, and change the piston rod because the damage of screw thread department, lead to whole piston rod all to scrap.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the piston which is convenient for installing the bolt is provided.

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

the utility model provides a piston easy to assemble bolt, includes the piston rod body, the both ends difference fixedly connected with connector, two of piston rod body the cover is equipped with the screw thread sliding sleeve respectively on the connector, still includes:

the convex strips are uniformly arranged inside the threaded sliding sleeve and are fixedly connected with the inner surface wall of the threaded sliding sleeve;

the grooves are uniformly embedded in the outer wall of the connector;

the plurality of limiting parts are arranged inside the connector, are uniformly distributed along the circumferential direction of the connector and are used for fixing the position of the threaded sliding sleeve;

the limiting bolt is arranged inside the connector;

and the ejector rod is arranged at the end part of the limiting bolt and is fixedly connected with the limiting bolt.

As a further description of the above technical solution:

a plurality of the sand grip is evenly distributed along the circumferential direction of the inner surface wall of the threaded sliding sleeve, and the sand grip is arranged in the grooves respectively.

As a further description of the above technical solution:

it is a plurality of spacing portion sets up with the cooperation of a plurality of recesses, spacing portion includes inside groove, gag lever post, spring and supports the piece, the inside groove sets up the inside at the connector, the gag lever post sets up the inside at the inside groove, the one end of gag lever post runs through the inside groove and extends to the inside of screw thread sliding sleeve to fixedly connected with lug, spring and support the piece and all overlap and establish to the gag lever post on, support piece and gag lever post fixed connection, the one end and the inside groove table wall fixed connection of spring, the flexible end of spring and the side table wall fixed connection who supports the piece.

As a further description of the above technical solution:

the axle center department of connector has seted up logical groove, the one end that the lug was kept away from to the gag lever post runs through the inside that the inside groove extended to logical groove, gag lever post and inside groove sliding connection.

As a further description of the above technical solution:

the limiting bolt is arranged in the through groove and is in threaded connection with the through groove, and the ejector rod is arranged in the through groove and is in contact with the end part of the limiting rod.

As a further description of the above technical solution:

a plurality of all be provided with on the sand grip with lug complex through-hole, the lug sets up the inside at the through-hole.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

in the utility model, the threaded sliding sleeve and the connector can be connected with each other through the mutual matching of the raised strips, the grooves, the limiting parts, the limiting bolts and the ejector rods, the threaded sliding sleeve and the connector are convenient to install and disassemble, the service life of the piston rod body is prolonged to a certain extent, the practicability and the applicability of the piston rod body are improved, when in use, the raised strips of the threaded sliding sleeve are aligned with the grooves on the connector, then the threaded sliding sleeve is sleeved on the connector, the limiting bolts are placed in the through grooves of the connector to rotate, so that the ejector rods move towards the inside of the through grooves, the ejector rods extrude the limiting rods to move towards the direction close to the raised strips, so that the convex blocks are completely embedded in the through holes of the raised strips, thereby completing the installation and fixation of the threaded sliding sleeve, when the threaded sliding sleeve needs to be disassembled, the limiting bolts are screwed out from the inside of the through grooves, so that the ejector rods are brought out of the through grooves by the limiting bolts, make the gag lever post pull out the through-hole with the lug under the effect of spring, and then can separate threaded sliding sleeve and connector, simple structure, convenient operation.

Drawings

Fig. 1 is a schematic view illustrating an overall structure of a piston rod according to an embodiment of the present invention;

FIG. 2 illustrates a schematic structural view of an end portion of a piston rod provided in accordance with an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an enlarged structure at a in fig. 1 according to an embodiment of the present invention.

Illustration of the drawings:

1. a piston rod body; 2. a connector; 3. a threaded sliding sleeve; 4. a convex strip; 5. a groove; 6. an inner tank; 7. a limiting rod; 8. a spring; 9. a resisting block; 10. a through groove; 11. a limit bolt; 12. and a push rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a piston easy to assemble bolt, includes piston rod body 1, and the both ends difference fixedly connected with connector 2 of piston rod body 1 are equipped with screw thread sliding sleeve 3 on two connectors 2 respectively, still include:

the convex strips 4 are uniformly arranged inside the threaded sliding sleeve 3 and are fixedly connected with the inner surface wall of the threaded sliding sleeve 3;

the grooves 5 are uniformly embedded in the outer surface wall of the connector 2;

the plurality of limiting parts are arranged inside the connector 2, are uniformly distributed along the circumferential direction of the connector 2 and are used for fixing the position of the threaded sliding sleeve 3;

the limiting bolt 11 is arranged inside the connector 2;

and the ejector rod 12 is arranged at the end part of the limit bolt 11 and is fixedly connected with the limit bolt 11.

Specifically, as shown in fig. 2, a plurality of sand grips 4 are evenly distributed along the inner surface wall circumference direction of the threaded sliding sleeve 3, the plurality of sand grips 4 are respectively arranged inside a plurality of grooves 5, and the sand grips 4 and the grooves 5 are mutually matched to prevent the position of the threaded sliding sleeve 3 from deflecting, so that the use effect of the threaded sliding sleeve 3 is ensured.

Specifically, as shown in fig. 3, a plurality of limiting portions and a plurality of grooves 5 are arranged in a matched manner, each limiting portion comprises an inner groove 6, a limiting rod 7, a spring 8 and a abutting block 9, the inner groove 6 is arranged inside the connector 2, the limiting rod 7 is arranged inside the inner groove 6, one end of the limiting rod 7 penetrates through the inner groove 6 and extends to the inside of the threaded sliding sleeve 3, the spring 8 and the abutting block 9 are sleeved on the limiting rod 7, the abutting block 9 is fixedly connected with the limiting rod 7, one end of the spring 8 is fixedly connected with the surface wall of the inner groove 6, and the telescopic end of the spring 8 is fixedly connected with the side surface wall of the abutting block 9.

Specifically, as shown in fig. 2, a through groove 10 is formed at the axis of the connector 2, one end of the limiting rod 7, which is far away from the protrusion, penetrates through the inner groove 6 and extends to the inside of the through groove 10, and the limiting rod 7 is slidably connected with the inner groove 6.

Specifically, as shown in fig. 3, a stopper 11 is provided inside the through groove 10 and is screwed into the through groove 10, and a carrier rod 12 is provided inside the through groove 10 and is in contact with an end of the stopper rod 7.

Specifically, as shown in fig. 3, through holes matched with the bumps are formed in the plurality of protruding strips 4, and the bumps are arranged inside the through holes.

The working principle is as follows: during the use, align raised line 4 with the recess 5 on the connector 2 of screw sliding sleeve 3, then establish screw sliding sleeve 3 cover on connector 2, place spacing bolt 11 at the logical groove 10 internal rotation of connector 2 again, make ejector pin 12 to the inside removal that leads to groove 10, and then make ejector pin 12 extrude gag lever post 7 to the direction removal that is close to raised line 4, make the lug inlay completely establish in the through-hole of raised line 4, thereby it is fixed to accomplish the installation of screw sliding sleeve 3, when screw sliding sleeve 3 is dismantled to needs, with spacing bolt 11 from the inside screw-out that leads to groove 10, make spacing bolt 11 take ejector pin 12 out of leading to groove 10, make gag lever post 7 pull out the through-hole with the lug under spring 8's effect, and then can separate screw sliding sleeve 3 and connector 2, moreover, the steam generator is simple in structure, and convenient for operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a piston easy to assemble bolt, includes the piston rod body, the both ends difference fixedly connected with connector, two of piston rod body the cover is equipped with threaded sliding sleeve on the connector respectively, its characterized in that still includes:

the grooves are uniformly embedded in the outer wall of the connector;

the limiting bolt is arranged inside the connector;

2. The piston as claimed in claim 1, wherein a plurality of said ribs are uniformly distributed along the circumferential direction of the inner surface wall of the threaded sliding sleeve, and a plurality of said ribs are respectively disposed inside a plurality of said grooves.

3. The piston with the conveniently installed bolt as claimed in claim 1, wherein the plurality of limiting portions are disposed in cooperation with the plurality of grooves, the limiting portions include an inner groove, a limiting rod, a spring and a resisting block, the inner groove is disposed inside the connecting head, the limiting rod is disposed inside the inner groove, one end of the limiting rod extends through the inner groove to the inside of the threaded sliding sleeve, and is fixedly connected with a projection, the spring and the resisting block are both sleeved on the limiting rod, the resisting block is fixedly connected with the limiting rod, one end of the spring is fixedly connected with the surface wall of the inner groove, and the telescopic end of the spring is fixedly connected with the side surface wall of the resisting block.

4. The piston with the conveniently installed bolt of claim 3, wherein the axial center of the connecting head is provided with a through groove, one end of the limiting rod, which is far away from the projection, extends to the inside of the through groove through the inner groove, and the limiting rod is connected with the inner groove in a sliding manner.

5. The piston for conveniently installing the bolt of claim 4, wherein the limit bolt is arranged inside the through groove and is in threaded connection with the through groove, and the ejector rod is arranged inside the through groove and is in contact with the end part of the limit rod.

6. The piston as claimed in claim 1, wherein a plurality of said ribs are formed with through holes for engaging with said projections, said projections being formed inside said through holes.