CN210889546U

CN210889546U - Hydraulic oil cylinder piston fixing and limiting structure of automobile cab lifting system

Info

Publication number: CN210889546U
Application number: CN201922089632.0U
Authority: CN
Inventors: 唐国红
Original assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Current assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-06-30
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a fixed limit structure of auttombilism room lift system hydraulic cylinder piston, comprising a cylinder body, the upper end of cylinder body is provided with a fluid inlet pipe, the upper end of a fluid inlet pipe is connected with sealed lid, one side that the upper end of cylinder body is close to a fluid inlet pipe is provided with No. two fluid inlet pipes, the one end of cylinder body is provided with fixed lid, the inside of fixed lid is provided with the piston rod, the inside of the one end cylinder body of piston rod is provided with the removal piston, the upper end of removing the piston is provided with the sealing washer, one side of the upper end sealing washer of removing the piston is provided with wear-resisting ring. A fixed limit structure of auttombilism room lift system hydraulic cylinder piston, the location of the removal piston of can being convenient for rock about the position of removal piston can not, it is more convenient.

Description

Hydraulic oil cylinder piston fixing and limiting structure of automobile cab lifting system

Technical Field

The utility model relates to a spacing technical field of hydraulic cylinder piston, in particular to fixed limit structure of auttombilism room lifting system hydraulic cylinder piston.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to various mechanical hydraulic systems, and needing a fixed limit structure when the hydraulic cylinder is used; the existing fixed limiting structure has some defects, firstly, the fixed limiting structure can not fix the piston well, the piston is not convenient to limit, secondly, dust can not be prevented from entering the inside of the device, and in order to solve the problems, the hydraulic oil cylinder piston fixed limiting structure of the lifting system of the automobile cab is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a vapour vehicle cab lifts fixed limit structure of system hydraulic cylinder piston can effectively solve the problem among the background art.

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

a hydraulic oil cylinder piston fixing and limiting structure of a lifting system of an automobile cab comprises a cylinder body, wherein a first fluid inlet pipe is arranged at the upper end of the cylinder body, a sealing cover is connected at the upper end of the first fluid inlet pipe, a second fluid inlet pipe is arranged at one side, close to the first fluid inlet pipe, of the upper end of the cylinder body, a fixing cover is arranged at one end of the cylinder body, a piston rod is arranged inside the fixing cover, a movable piston is arranged inside the cylinder body at one end of the piston rod, a sealing ring is arranged at the upper end of the movable piston, a wear-resisting ring is arranged at one side of the sealing ring at the upper end of the movable piston, a clamping groove is formed in the hollowed outer surface of the upper end of the movable piston, a limiting block is arranged inside the clamping groove, a connecting rod is arranged, and a connecting disc is arranged on one side of the external movable frame of the rotating rod.

Preferably, the lower extreme of a fluid inlet pipe and the upper end fixed connection of cylinder body, the lower extreme of sealed lid and the upper end swing joint of a fluid inlet pipe, the lower extreme of No. two fluid inlet pipes and the upper end fixed connection of cylinder body, the one end of fixed lid and the one end fixed connection of cylinder body, the surface of piston rod and the internal surface swing joint of fixed lid.

Preferably, one end of the movable piston is fixedly connected with one end of the piston rod, the sealing ring is fixedly connected with the movable piston, and the wear-resisting ring is fixedly connected with the movable piston.

Preferably, the clamping groove is fixedly connected with the movable piston, and the outer surface of the limiting block is movably connected with the inner surface of the clamping groove.

Preferably, one end of the connecting rod is fixedly connected with one end of the limiting block, and the upper end of the movable frame is fixedly connected with the lower end of the connecting rod.

Preferably, the outer surface of the rotating rod is movably connected with the inner surface of the movable frame, and the inner surface of the connecting disc is movably connected with the outer surface of the rotating rod.

Compared with the prior art, the utility model discloses following beneficial effect has: this kind of limit structure is fixed to auttombilism room lift system hydraulic cylinder piston, through the upper end of screwing sealed lid at a fluid inlet pipe, make dust and other debris in the air be difficult to enter into the inside of device, be convenient for protect the device, can remove the piston to suitable position, when removing the piston and removing the assigned position, rotation through the dwang, make the position of dwang can remove to one end, make the adjustable shelf can contract, thereby drive the removal of connecting rod, make the stopper can block in the inside of draw-in groove, thereby can restrict the removal piston position, make the position of removing the piston can not control and rock, be convenient for remove the injecing of piston, thereby can reach the limiting action of removing the piston, and is comparatively practical, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a hydraulic cylinder piston fixing and limiting structure of a lifting system of an automobile cab;

fig. 2 is the utility model relates to a fixed limit structure's of auttombilism room lift system hydraulic cylinder piston inside dissects the schematic diagram.

In the figure: 1. a cylinder body; 2. a first fluid feed conduit; 3. a sealing cover; 4. a second fluid feed line; 5. a fixed cover; 6. a piston rod; 7. moving the piston; 8. a wear ring; 9. a seal ring; 10. a card slot; 11. a limiting block; 12. a connecting rod; 13. a movable frame; 14. rotating the rod; 15. the disks are connected.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a hydraulic cylinder piston fixing and limiting structure of a lifting system of an automobile cab comprises a cylinder body 1, a first fluid inlet pipe 2 is arranged at the upper end of the cylinder body 1, a sealing cover 3 is connected at the upper end of the first fluid inlet pipe 2, a second fluid inlet pipe 4 is arranged at one side of the upper end of the cylinder body 1 close to the first fluid inlet pipe 2, a fixing cover 5 is arranged at one end of the cylinder body 1, a piston rod 6 is arranged inside the fixing cover 5, a movable piston 7 is arranged inside the cylinder body 1 at one end of the piston rod 6, a sealing ring 9 is arranged at the upper end of the movable piston 7, a wear-resisting ring 8 is arranged at one side of the sealing ring 9 at the upper end of the movable piston 7, a clamping groove 10 is arranged on the outer surface of the upper end of the movable piston 7 in a hollowed manner, a rotating rod 14 is arranged inside the movable frame 13, and a connecting disc 15 is arranged on one side of the outer movable frame 13 of the rotating rod 14.

The lower extreme of a fluid feed pipe 2 and the upper end fixed connection of cylinder body 1, the lower extreme of sealed lid 3 and the upper end swing joint of a fluid feed pipe 2, through sealed lid 3 revolve the upper end at a fluid feed pipe 2, be convenient for protect the device, the lower extreme of No. two fluid feed pipes 4 and the upper end fixed connection of cylinder body 1, the fluid can be through a fluid feed pipe 2, No. two fluid feed pipes 4 enter into the inside of device, the use of the device of being convenient for, the one end of fixed lid 5 and the one end fixed connection of cylinder body 1, the surface of piston rod 6 and the internal surface swing joint of fixed lid 5.

One end of the movable piston 7 is fixedly connected with one end of the piston rod 6, the movable piston 7 can move in the cylinder body 1, so that the piston rod 6 is driven to move, the sealing ring 9 is fixedly connected with the movable piston 7, the wear-resistant ring 8 is fixedly connected with the movable piston 7, and the wear resistance of the movable piston 7 is increased through the wear-resistant ring 8.

Draw-in groove 10 and mobile piston 7 fixed connection, the surface of stopper 11 and the internal surface swing joint of draw-in groove 10, stopper 11 can block in the inside of draw-in groove 10 to can restrict mobile piston 7 position, make mobile piston 7's position can not rock about rocking.

One end of the connecting rod 12 is fixedly connected with one end of the limiting block 11, the upper end of the movable frame 13 is fixedly connected with the lower end of the connecting rod 12, and the movable frame 13 can move to drive the connecting rod 12 to move.

The outer surface of the rotating rod 14 is movably connected with the inner surface of the movable frame 13, the rotating rod 14 can drive the movable frame 13 to contract and expand, and the inner surface of the connecting disc 15 is movably connected with the outer surface of the rotating rod 14.

It should be noted that the utility model relates to a fixed limit structure of hydraulic cylinder piston of lifting system of driver's cabin, when the device is not used, through screwing the sealed lid 3 in the upper end of a fluid inlet pipe 2, be convenient for protect the device, when needing to be connected with external instrument, can take off sealed lid 3, make a fluid inlet pipe 2, No. two fluid inlet pipes 4 can be connected with external instrument, make the fluid can enter the inside of device through a fluid inlet pipe 2, No. two fluid inlet pipes 4, be convenient for the use of device, movable piston 7 can move in the inside of cylinder body 1, can move movable piston 7 to suitable position, when movable piston 7 moves to the assigned position, through the rotation of dwang 14, make the position of dwang 14 can move to one end, make movable frame 13 can contract, thereby drive the removal of connecting rod 12 for stopper 11 can block in the inside of draw-in groove 10, thereby can restrict the mobile piston 7 position, and the position of making mobile piston 7 can not control and rock, and the injecing of the mobile piston 7 of being convenient for has surpassed traditional fixed limit structure on the use prospect, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a limit structure is fixed to auttombilism room lift system hydraulic cylinder piston, includes cylinder body (1), its characterized in that: the upper end of the cylinder body (1) is provided with a first fluid inlet pipe (2), the upper end of the first fluid inlet pipe (2) is connected with a sealing cover (3), one side, close to the first fluid inlet pipe (2), of the upper end of the cylinder body (1) is provided with a second fluid inlet pipe (4), one end of the cylinder body (1) is provided with a fixing cover (5), a piston rod (6) is arranged inside the fixing cover (5), a moving piston (7) is arranged inside the cylinder body (1) at one end of the piston rod (6), a sealing ring (9) is arranged at the upper end of the moving piston (7), one side of the sealing ring (9) at the upper end of the moving piston (7) is provided with a wear-resisting ring (8), the outer surface of the upper end of the moving piston (7) is hollowed to form a clamping groove (10), and a limiting, the one end of stopper (11) is provided with connecting rod (12), the lower extreme of connecting rod (12) is provided with adjustable shelf (13), the inside of adjustable shelf (13) is provided with dwang (14), one side of outside adjustable shelf (13) of dwang (14) is provided with connection disc (15).

2. The automobile cab lifting system hydraulic oil cylinder piston fixing and limiting structure according to claim 1, characterized in that: the lower extreme of a fluid inlet pipe (2) and the upper end fixed connection of cylinder body (1), the lower extreme of sealed lid (3) and the upper end swing joint of a fluid inlet pipe (2), the lower extreme of No. two fluid inlet pipes (4) and the upper end fixed connection of cylinder body (1), the one end of fixed lid (5) and the one end fixed connection of cylinder body (1), the surface of piston rod (6) and the internal surface swing joint of fixed lid (5).

3. The automobile cab lifting system hydraulic oil cylinder piston fixing and limiting structure according to claim 1, characterized in that: one end of the movable piston (7) is fixedly connected with one end of the piston rod (6), the sealing ring (9) is fixedly connected with the movable piston (7), and the wear-resisting ring (8) is fixedly connected with the movable piston (7).

4. The automobile cab lifting system hydraulic oil cylinder piston fixing and limiting structure according to claim 1, characterized in that: the clamping groove (10) is fixedly connected with the movable piston (7), and the outer surface of the limiting block (11) is movably connected with the inner surface of the clamping groove (10).

5. The automobile cab lifting system hydraulic oil cylinder piston fixing and limiting structure according to claim 1, characterized in that: one end of the connecting rod (12) is fixedly connected with one end of the limiting block (11), and the upper end of the movable frame (13) is fixedly connected with the lower end of the connecting rod (12).

6. The automobile cab lifting system hydraulic oil cylinder piston fixing and limiting structure according to claim 1, characterized in that: the surface of dwang (14) and the internal surface swing joint of adjustable shelf (13), the internal surface of connecting disc (15) and the surface swing joint of dwang (14).