CN218717865U

CN218717865U - Buffering return quick opening structure of hydraulic cylinder

Info

Publication number: CN218717865U
Application number: CN202222973992.9U
Authority: CN
Inventors: 刘晓晨; 廉丽娜
Original assignee: Luoyang Botong Hydraulic Machinery Co ltd
Current assignee: Luoyang Botong Hydraulic Machinery Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The application relates to the technical field of the structure is opened in the pneumatic cylinder return, specifically is a structure is opened fast in pneumatic cylinder buffering return, includes: installation cylinder body, piston body, connecting seat, logical groove, movable block, connection fence, compression spring and sealed lid, the inside swing joint of installation cylinder body has the piston body, the connecting seat sets up on the surface that the installation cylinder body is close to the left end, the middle part of connecting seat is link up and has been seted up logical groove, the cooperation of movable block is connected in logical groove department, fixedly connected with compression spring on the surface in the outside of movable block, the border position of connecting seat rear side is provided with the connection fence, sealed lid links together with the cooperation of connection fence, compression spring's the other end is connected with the cooperation of sealed lid, the left end cooperation of installation cylinder body is connected with the end cover, the left fixedly connected with linking arm on the surface of end cover, this application has response speed soon, promotes the speed of returning journey, long service life's effect.

Description

Hydraulic cylinder buffering return stroke quick opening structure

Technical Field

The application relates to the technical field of hydraulic cylinder return opening structures, in particular to a hydraulic cylinder buffer return quick opening structure.

Background

The existing hydraulic cylinder is provided with a buffer structure in the return stroke process so as to reduce the impact force on the end part of the hydraulic cylinder and reduce the damage of the hydraulic cylinder, but in the buffer return stroke process, the traveling speed of the hydraulic cylinder is slow, the working efficiency in the use process is influenced, and therefore the hydraulic cylinder needs to be improved to solve the problems.

Disclosure of Invention

To the not enough of prior art existence, the purpose of this application is to provide a response speed is fast, promotes to return the journey speed, and long service life's pneumatic cylinder buffering returns to journey and opens the structure fast.

The above application purpose of the present application is achieved by the following technical solutions:

a hydraulic cylinder buffering return stroke quick opening structure comprises: installation cylinder body, piston body, connecting seat, logical groove, movable block, connection fence, compression spring and sealed lid, the inside swing joint of installation cylinder body has the piston body, the connecting seat sets up on the surface that the installation cylinder body is close to the left end, the middle part of connecting seat is link up and has been seted up logical groove, the cooperation of movable block is connected in logical groove department, the outside of movable block is fixedly connected with compression spring on the surface, the border position of connecting seat rear side is provided with the connection fence, sealed lid links together with the connection fence cooperation, compression spring's the other end and sealed lid cooperation are connected, the left end cooperation of installation cylinder body is connected with the end cover, the left fixedly connected with linking arm on the surface of end cover.

Optionally, the piston further comprises a top rod, and the top rod is fixedly connected to the right side surface of the piston body.

Optionally, the cylinder body is provided with a sealing end cover, the sealing end cover is connected to the right end of the mounting cylinder body in a matched mode, and the sealing end cover is connected with the outer surface of the ejector rod in a matched mode.

Optionally, the piston further comprises a supporting block, the supporting block is fixedly connected to the surface of the middle position of the right side of the end cover, and the supporting block is connected with the piston body in a matched mode.

Optionally, the piston further comprises a groove, a buffer spring and a stop block, the groove is formed in the middle of the supporting block, the buffer spring is fixedly connected in the groove, the stop block is fixedly connected to the end portion of the buffer spring, and the stop block is connected with the left side of the piston body in a matched mode.

Optionally, still include hydraulic pressure pipe, reposition of redundant personnel branch pipe and check valve, the hydraulic pressure pipe sets up at installation cylinder body left end, the logical groove through connection in the one end of reposition of redundant personnel branch pipe and the connecting seat, the other end and the hydraulic pressure pipe through connection of reposition of redundant personnel branch pipe, be provided with the check valve on the reposition of redundant personnel branch pipe.

Optionally, the piston further comprises a convex fence, the convex fence is arranged on the inner wall, close to the right end, of the installation cylinder body, and the convex fence is connected with the piston body in a matched mode.

Optionally, still include the supporting pad, supporting pad fixed connection is on the surface of piston body left side, the supporting pad is connected with the dog cooperation.

1. The hydraulic cylinder buffer return quick opening structure can be quickly opened in the return process by additionally arranging a structure for controlling the flow of hydraulic oil at the end part of the hydraulic cylinder body, so that the traveling speed in the return process is effectively accelerated;

2. the hydraulic cylinder buffer return quick opening structure adopts the elastic part as a support, improves the traditional hydraulic cylinder body, and has relatively simple and convenient processing technology and better economy;

3. this pneumatic cylinder buffering return quick opening structure when accelerating return speed, through the buffering and the bearing structure who installs additional, has reduced the impact force to the cylinder body tip in the return effectively, has reduced the emergence of the damage condition, has prolonged life.

Drawings

FIG. 1 is a schematic sectional view of an embodiment of the present application;

FIG. 2 is a schematic diagram of a left side cut-away structure provided by an embodiment of the present application;

fig. 3 is a schematic diagram of a rear side structure provided in an embodiment of the present application.

Reference numerals: 1. installing a cylinder body; 2. a piston body; 3. a connecting seat; 4. a through groove; 5. a movable block; 6. a connection fence; 7. a pressure spring; 8. a sealing cover; 9. a top rod; 10. sealing the end cap; 11. a support block; 12. a groove; 13. a buffer spring; 14. a stopper; 15. a hydraulic tube; 16. a branch pipe; 17. a one-way valve; 18. a convex fence; 19. a connecting arm; 20. a support pad; 21. and (4) end covers.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In order to more clearly understand the technical solution shown in the embodiment of the present application, first, the principle of the return opening structure of the existing hydraulic cylinder is described.

The through-hole can be seted up on the cylinder body in order to accelerate the speed of return in-process to current pneumatic cylinder, and then installs the flow valve in through-hole department, and the size through the control flow cooperatees with the fuel feed line, realizes the regulation to return speed, and this kind of governing speed is slower to trompil department takes place easily to block up on the cylinder body, and follow-up maintenance cost is higher, and the practicality is not good, consequently need be provided with a pneumatic cylinder buffering and return and open the structure fast and solve these problems.

Referring to fig. 1 and fig. 2, a structure for buffering and returning to fast open a hydraulic cylinder disclosed in an embodiment of the present application includes: installation cylinder body 1, piston body 2, connecting seat 3, lead to groove 4, movable block 5, connection fence 6, compression spring 7 and sealed

lid

8, 1 inside swing joint of installation cylinder body has piston body 2, connecting seat 3 sets up on the surface that is close to the left end at installation cylinder body 1, logical groove 4 has been seted up to link up at the middle part of connecting

seat

3, 5 cooperation connections of movable block are in leading to groove 4 department, fixedly connected with compression spring 7 on the surface of the outside of movable block 5, the border position of 3 rear sides of connecting seat is provided with connection fence 6, sealed lid 8 links together with the cooperation of connection fence 6, compression spring 7's the other end is connected with sealed 8 cooperation of covering, the left end cooperation of installation cylinder body 1 is connected with end cover 21, end cover 21 left fixedly connected with linking arm 19 on the surface.

Further, the piston also comprises a top rod 9, and the top rod 9 is fixedly connected to the right side surface of the piston body 2.

Specific speaking, when the action that returns was realized to the left side to piston body 2 when using, especially when needing quick completion to return the action, the pressure of liquid this moment can outwards promote movable block 5, and then makes compression spring 7 compressed, and inside hydraulic oil passes through the gap discharge between logical groove 4 and the movable block 5 this moment, realizes the process of returning fast.

Referring to fig. 1, another embodiment provided as an application further includes a sealing end cap 10, the sealing end cap 10 is connected to the right end of the mounting cylinder 1 in a matching manner, the sealing end cap 10 is connected to the outer surface of the ram 9 in a matching manner, and the sealing cover 8 is matched with the connecting rail 6.

Specifically speaking, the arrangement of the sealing end cover 10 can seal the right end of the mounting cylinder body 1, and realize sealing the gap between the push rods 9.

Referring to fig. 1, as another embodiment provided by the application, the piston further includes a supporting block 11, the supporting block 11 is fixedly connected to a surface of a right middle position of the end cover 21, and the supporting block 11 is connected to the piston body 2 in a matching manner.

Specifically, the supporting block 11 is provided to support the piston body 2, so as to reduce the damage of the end cover 21 caused by the direct impact force.

Referring to fig. 1, as another specific embodiment provided by the application, the piston further includes a groove 12, a buffer spring 13 and a stopper 14, the groove 12 is formed in the middle of the supporting block 11, the buffer spring 13 is fixedly connected in the groove 12, the stopper 14 is fixedly connected to an end of the buffer spring 13, and the stopper 14 is connected to the left side of the piston body 2 in a matching manner.

Specifically speaking, recess 12 is used for installing buffer spring 13, and the dog 14 of buffer spring 13 right-hand member can contact in advance with piston body 2, and then realizes the effect of buffering, also can cooperate other buffer structure to use as required, promotes the speed and the stability of returning journey and promotes simultaneously.

Referring to fig. 3, as another specific embodiment provided by the application, the hydraulic cylinder further includes a hydraulic pipe 15, a branch flow dividing pipe 16 and a check valve 17, the hydraulic pipe 15 is disposed at the left end of the mounting cylinder 1, one end of the branch flow dividing pipe 16 is connected to the through groove 4 in the connecting seat 3, the other end of the branch flow dividing pipe 16 is connected to the hydraulic pipe 15, and the branch flow dividing pipe 16 is provided with the check valve 17.

Specifically, the branch pipe 16 can open the check valve 17 during the return stroke, so that the oil enters the end of the hydraulic pipe 15 or the oil storage cavity at the rear end, and the quick opening during the return stroke is ensured.

Referring to fig. 2, as another specific embodiment provided by the application, a protruding fence 18 is further included, the protruding fence 18 is disposed on an inner wall of the installation cylinder body 1 near the right end, and the protruding fence 18 is connected with the piston body 2 in a matching manner.

Specifically, the arrangement of the convex column 18 can support the piston body 2 at the farthest stroke, reduce the impact on the end cover 10, and prolong the service life.

Referring to fig. 2, another embodiment provided as an application for the invention further includes a supporting pad 20, the supporting pad 20 is fixedly connected to the surface of the left side of the piston body 2, and the supporting pad 20 is connected to the stopper 14 in a matching manner.

Specifically, the provision of the end cap 10 reduces wear on the piston body 2 and reduces wear on the core components.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a structure is opened fast to pneumatic cylinder buffering return, its characterized in that includes: installation cylinder body (1), piston body (2), connecting seat (3), lead to groove (4), movable block (5), connection fence (6), compression spring (7) and sealed lid (8), the inside swing joint of installation cylinder body (1) has piston body (2), connecting seat (3) set up on the surface that is close to the left end at installation cylinder body (1), the middle part of connecting seat (3) link up and has seted up logical groove (4), movable block (5) cooperation is connected in leading to groove (4) department, fixedly connected with compression spring (7) on the surface of the outside of movable block (5), the border position of connecting seat (3) rear side is provided with connection fence (6), sealed lid (8) link together with connection fence (6) cooperation, the other end and the sealed lid (8) cooperation of compression spring (7) are connected, the left end cooperation of installation cylinder body (1) is connected with end cover (21), the left fixed connection has linking arm (19) on the surface of end cover (21).

2. The structure of claim 1 for fast opening the buffer return stroke of the hydraulic cylinder, wherein: still include ejector pin (9), ejector pin (9) fixed connection is on the right side surface of piston body (2).

3. The structure is opened fast to pneumatic cylinder buffering return stroke according to claim 2 characterized in that: the cylinder is characterized by further comprising a sealing end cover (10), wherein the sealing end cover (10) is connected to the right end of the installation cylinder body (1) in a matched mode, and the sealing end cover (10) is connected with the outer surface of the ejector rod (9) in a matched mode.

4. The structure of claim 1 for fast opening the buffer return stroke of the hydraulic cylinder, wherein: the piston is characterized by further comprising a supporting block (11), wherein the supporting block (11) is fixedly connected to the surface of the middle position of the right side of the end cover (21), and the supporting block (11) is connected with the piston body (2) in a matched mode.

5. The structure of claim 4, wherein the structure is opened fast in a buffer return stroke of the hydraulic cylinder, and comprises: still include recess (12), buffer spring (13) and dog (14), the intermediate position at supporting shoe (11) is seted up in recess (12), fixedly connected with buffer spring (13) in recess (12), the tip fixedly connected with dog (14) of buffer spring (13), dog (14) are connected with the left side cooperation of piston body (2).

6. The structure of claim 1 for fast opening the buffer return stroke of the hydraulic cylinder, wherein: still include hydraulic pressure pipe (15), reposition of redundant personnel branch pipe (16) and check valve (17), hydraulic pressure pipe (15) set up at installation cylinder body (1) left end, logical groove (4) through connection in the one end of reposition of redundant personnel branch pipe (16) and connecting seat (3), the other end and the hydraulic pressure pipe (15) through connection of reposition of redundant personnel branch pipe (16), be provided with check valve (17) on reposition of redundant personnel branch pipe (16).

7. The structure of claim 1 for fast opening the buffer return stroke of the hydraulic cylinder, wherein: still include protruding fence (18), protruding fence (18) set up on the inner wall that installation cylinder body (1) is close to the right-hand member, protruding fence (18) are connected with piston body (2) cooperation.

8. The structure of claim 5 for fast opening the buffer return stroke of the hydraulic cylinder, wherein: still include supporting pad (20), supporting pad (20) fixed connection is on piston body (2) left side surface, supporting pad (20) and dog (14) cooperation are connected.