CN211116910U

CN211116910U - Pull rod cylinder

Info

Publication number: CN211116910U
Application number: CN201922069758.1U
Authority: CN
Inventors: 王彬; 孔宏; 张涛
Original assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Current assignee: Changzhou Keheng Hydraulic Machinery Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-28
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a pull rod jar, the lower surface of pull rod jar footstock and the upper surface of pull rod jar base have all been seted up the mounting groove, and the inner wall of two mounting grooves all slides and pegs graft and have the cylinder body, the equal fixedly connected with sealing washer of inside wall of two mounting grooves, the surface of two sealing washers peg graft with the both ends surface slip of cylinder body respectively, and the surface of cylinder body is provided with fastener, and fastener is connected with the fixed surface of cylinder body including fastening frame, fastening frame's surface. This pull rod cylinder is provided with fastener through the surface that sets up the cylinder body, and fastener is including the fastening frame, and the fixed surface of the surface of fastening frame and cylinder body is connected to have easy operation, locking is fixed convenient, and can not destroy the surface of pull rod cylinder when the installation locking, has avoided current nut locking to cause destruction, has practiced thrift the characteristics of secondary surface treatment's cost.

Description

Pull rod cylinder

Technical Field

The utility model relates to a pull rod jar technical field, more specifically says, it relates to a pull rod jar.

Background

Generally, the pull rod hydraulic cylinder mainly comprises the following parts: cylinder bottom cover, piston rod, preceding lid, rod end joint. However, the existing pull rod hydraulic cylinder parts needing to be assembled after surface treatment are assembled, most of the pull rod hydraulic cylinder parts are in threaded connection with the surface of the base at one end of the direct control pull rod, the other end of the direct control pull rod penetrates through the top seat, the nut is locked in a rotating mode, when the nut is screwed, extrusion force of the surface of the nut on the upper surface of the top seat can be generated, and due to the rotating condition, the surface treatment of the top seat is damaged easily, the pull rod hydraulic cylinder is not attractive, the later-stage treatment is caused again, unnecessary loss is caused, and therefore the pull rod cylinder is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a draw-bar cylinder, it has easy operation, and locking is fixed convenient, and can not destroy the surface of draw-bar cylinder when installation locking, has avoided current nut locking to cause destruction, has practiced thrift the characteristics of secondary surface treatment's cost.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pull rod jar, including pull rod jar footstock and pull rod jar base, the mounting groove has all been seted up to the lower surface of pull rod jar footstock and the upper surface of pull rod jar base, the equal slip grafting of inner wall of two mounting grooves has the cylinder body, the equal fixedly connected with sealing washer of inside wall of two mounting grooves, the surface of two sealing washers is pegged graft with the both ends surface slip of cylinder body respectively, the surface of cylinder body is provided with fastener, fastener is including the fastening frame, the surface of fastening frame is connected with the fixed surface of cylinder body.

Furthermore, mounting holes are uniformly formed in the peripheral surface of the pull rod cylinder top seat, threads are arranged on the inner walls of the four mounting holes, pull rods are connected to the inner walls of the four mounting holes in a threaded manner, limiting holes are uniformly formed in the peripheral bottom of the pull rod cylinder base, pull rod through holes are formed in the inner walls of the limiting holes, and limiting blocks are fixedly connected to the bottom ends of the four pull rods;

through above-mentioned technical scheme, reached through the surface of stopper and the inner wall grafting cooperation in spacing hole, the one end threaded connection of the pull rod of being convenient for rotates, drives the effect of the inner wall locking in spacing hole of stopper extrusion.

Furthermore, the surfaces of the four limiting blocks are respectively matched with and in sliding insertion with the inner walls of the four limiting holes, and the surfaces of the four pull rod through holes are respectively in sliding insertion with the surfaces of the four pull rods;

through the technical scheme, the installation and operation effects are achieved.

Furthermore, positioning holes are uniformly formed in the peripheral surface of the top and the peripheral surface of the bottom of the fastening frame, the inner walls of the positioning holes are fixedly connected with guide sleeves, and the guide sleeves are made of polytetrafluoroethylene;

through above-mentioned technical scheme, set up the uide bushing and reached direction location pivoted effect.

Furthermore, the inner walls of the positioning holes correspond to the inner walls of the four mounting holes and the inner walls of the four pull rod through holes respectively, and the inner walls of the guide sleeves are in sliding insertion connection with the surfaces of the four pull rods respectively;

furthermore, the surfaces of the four pull rods are fixedly connected with chain wheels, the surfaces of the four chain wheels are in transmission connection through chains, and the surface of one pull rod is fixedly connected with a first gear;

through above-mentioned technical scheme, set up the sprocket and reached four pull rods effect of rotating the regulation simultaneously, be convenient for install the effect of pull rod footstock and cylinder body cooperation locking.

Furthermore, a rotating groove is formed in the surface of one side of the fastening frame, bearings are fixedly connected to two opposite inner walls of the rotating groove, adjusting shafts are fixedly connected to inner rings of the two bearings, an adjusting wheel and a second gear are fixedly connected to the surface of each adjusting shaft respectively, the surface of the second gear is meshed with the surface of the first gear, and knurling is arranged on the surface of each adjusting wheel;

through above-mentioned technical scheme, set up the annular knurl and reached the effect that the increase contact friction is convenient for adjust.

To sum up, the utility model discloses following beneficial effect has:

the surface through setting up the cylinder body is provided with fastener, and fastener is including the fastening frame, and the fixed surface of the surface of fastening frame and cylinder body is connected to have easy operation, it is fixed convenient to lock, and can not destroy the surface of pull rod jar when the installation is locked, has avoided current nut locking to cause destruction, has practiced thrift the characteristics of secondary surface treatment's cost.

Drawings

FIG. 1 is a front view of the cylinder structure of the present invention;

FIG. 2 is a front view of the fastening frame structure of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 4 is a perspective view of the fastening frame structure of the present invention.

In the figure: 1. a pull rod cylinder top seat; 2. a pull rod cylinder base; 3. mounting grooves; 4. a cylinder body; 5. a seal ring; 6. fastening the frame; 7. mounting holes; 8. a pull rod; 9. a limiting hole; 10. a pull rod via hole; 11. a limiting block; 12. positioning holes; 13. a guide sleeve; 14. a sprocket; 15. a first gear; 16. a rotating groove; 17. a bearing; 18. an adjustment shaft; 19. an adjustment wheel; 20. a second gear.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-4.

A pull rod cylinder is shown in figures 1-2 and comprises a pull rod cylinder top seat 1 and a pull rod cylinder base 2, wherein mounting grooves 3 are formed in the lower surface of the pull rod cylinder top seat 1 and the upper surface of the pull rod cylinder base 2, cylinder bodies 4 are inserted into the inner walls of the two mounting grooves 3 in a sliding mode, sealing rings 5 are fixedly connected to the inner side walls of the two mounting grooves 3, the surfaces of the two sealing rings 5 are respectively inserted into the surfaces of the two ends of the cylinder body 4 in a sliding mode, a fastening device is arranged on the surface of the cylinder body 4 and comprises a fastening frame 6, and the surface of the fastening frame 6 is fixedly connected with the surface of the cylinder body 4;

mounting holes 7 are uniformly formed in the peripheral surface of the pull rod cylinder top seat 1, threads are arranged on the inner walls of the four mounting holes 7, the inner walls of the four mounting holes 7 are in threaded connection with pull rods 8, limiting holes 9 are uniformly formed in the peripheral bottom of the pull rod cylinder base 2, pull rod via holes 10 are formed in the inner walls of the limiting holes 9, and limiting blocks 11 are fixedly connected to the bottom ends of the four pull rods 8, so that the effects of inserting and matching the surfaces of the limiting blocks and the inner walls of the limiting holes, facilitating threaded connection and rotation of one ends of the pull rods and driving the limiting blocks to extrude the inner walls of the limiting holes for locking are;

the surfaces of the four limiting blocks 11 are respectively matched with and slidably inserted into the inner walls of the four limiting holes 9, and the surfaces of the four pull rod through holes 10 are respectively slidably inserted into the surfaces of the four pull rods 8, so that the effect of convenient installation and operation is achieved;

as shown in fig. 3-4, positioning holes 12 are uniformly formed in the peripheral surface of the top and the peripheral surface of the bottom of the fastening frame 6, guide sleeves 13 are fixedly connected to the inner walls of the positioning holes 12, the guide sleeves 13 are made of polytetrafluoroethylene, and the guide sleeves are arranged to achieve the effect of guiding, positioning and rotating;

the inner walls of the positioning holes 12 correspond to the inner walls of the four mounting holes 7 and the inner walls of the four pull rod through holes 10 respectively, and the inner walls of the guide sleeves 13 are in sliding insertion connection with the surfaces of the four pull rods 8 respectively; the surfaces of the four pull rods 8 are fixedly connected with chain wheels 14, the surfaces of the four chain wheels 14 are in transmission connection through chains, the surface of one pull rod 8 is fixedly connected with a first gear 15, and the chain wheels are arranged to achieve the effect of simultaneous rotation adjustment of the four pull rods, so that the effect of matching and locking of a pull rod top seat and a cylinder body is convenient to install;

a rotating groove 16 is formed in the surface of one side of the fastening frame 6, bearings 17 are fixedly connected to two opposite inner walls of the rotating groove 16, adjusting shafts 18 are fixedly connected to inner rings of the two bearings 17, an adjusting wheel 19 and a second gear 20 are fixedly connected to the surface of each adjusting shaft 18 respectively, the surface of each second gear 20 is meshed with the surface of the corresponding first gear 15, knurling is arranged on the surface of each adjusting wheel 19, and the knurling is arranged to increase the contact friction force and facilitate adjustment; be provided with fastener through the surface that sets up cylinder body 4, fastener is including fastening frame 6, and the fixed surface of fastening frame 6 and cylinder body 4 is connected to have easy operation, locking is fixed convenient, and can not destroy the surface of pull rod jar when the installation locking, has avoided current nut locking to cause destruction, has practiced thrift the characteristics of secondary surface treatment's cost.

The working principle is as follows: during installation, through the upper surface of taking pull rod cylinder footstock 1 joint cylinder body 4, make the top of pull rod 8 corresponding with the inner wall of mounting hole 7, rotate regulating wheel 19, it is rotatory to drive regulating shaft 18, thereby it is rotatory to drive second gear 20, it is rotatory to drive first gear 15 through the meshing, it is rotatory to have driven one of them pull rod 8, rotate through the chain and drive other three pull rod 8 and rotate simultaneously, make the top of pull rod 8 and the inner wall threaded connection locking of mounting hole 7, the installation is ended until the lower surface of pull rod cylinder footstock 1 and the upper surface joint of cylinder body 4 are tight, reverse regulating wheel 19 drives the top of pull rod 8 and reverses when needing to dismantle and dismantles in mounting hole 7, it can to extract pull rod cylinder footstock 1.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a pull rod jar, includes pull rod jar footstock (1) and pull rod jar base (2), mounting groove (3) have all been seted up to the lower surface of pull rod jar footstock (1) and the upper surface of pull rod jar base (2), two the equal slip grafting of inner wall of mounting groove (3) has cylinder body (4), two the equal fixedly connected with sealing washer (5) of inside wall of mounting groove (3), two the surface of sealing washer (5) is pegged graft with the both ends surface slip of cylinder body (4) respectively, its characterized in that: the surface of the cylinder body (4) is provided with a fastening device, the fastening device comprises a fastening frame (6), and the surface of the fastening frame (6) is fixedly connected with the surface of the cylinder body (4).

2. A tie rod cylinder according to claim 1, wherein: mounting holes (7) have evenly been seted up, four on the surface all around of pull rod jar footstock (1) the inner wall of mounting hole (7) all is provided with the screw thread, four the equal threaded connection of inner wall of mounting hole (7) has pull rod (8), spacing hole (9) have evenly been seted up to the bottom all around of pull rod jar base (2), pull rod via hole (10), four have been seted up to the inner wall of spacing hole (9) the bottom fixedly connected with stopper (11) of pull rod (8).

3. A tie rod cylinder according to claim 2, wherein: the surfaces of the limiting blocks (11) are respectively matched with the inner walls of the limiting holes (9) in a sliding insertion mode, and the surfaces of the pull rod through holes (10) are respectively in sliding insertion with the surfaces of the pull rods (8).

4. A tie rod cylinder according to claim 2, wherein: the fastening frame (6) top surface all around and the bottom surface all around have evenly seted up locating hole (12), and is a plurality of the equal fixedly connected with uide bushing (13) of inner wall of locating hole (12), the material of uide bushing (13) is polytetrafluoroethylene.

5. A drawbar cylinder according to claim 4, characterized in that: the inner walls of the positioning holes (12) correspond to the inner walls of the four mounting holes (7) and the inner walls of the four pull rod through holes (10), and the inner walls of the guide sleeves (13) are in sliding insertion connection with the surfaces of the four pull rods (8).

6. A drawbar cylinder according to claim 5, characterized in that: the surface of the four pull rods (8) is fixedly connected with chain wheels (14), the surface of each chain wheel (14) is connected through chain transmission, and the surface of one pull rod (8) is fixedly connected with a first gear (15).

7. A tie rod cylinder according to claim 6, wherein: the fastening frame is characterized in that a rotating groove (16) is formed in the surface of one side of the fastening frame (6), two inner-wall equal fixedly connected bearings (17) and two inner rings of the bearings (17) are fixedly connected with adjusting shafts (18), the surface of each adjusting shaft (18) is fixedly connected with an adjusting wheel (19) and a second gear (20), the surface of each second gear (20) is meshed with the surface of the corresponding first gear (15), and knurling is arranged on the surface of each adjusting wheel (19).