CN214274095U

CN214274095U - Oil cylinder device

Info

Publication number: CN214274095U
Application number: CN202022240919.1U
Authority: CN
Inventors: 王雪峰
Original assignee: Jinyun Boxin Machinery Co ltd
Current assignee: Jinyun Boxin Machinery Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-09-24
Anticipated expiration: 2030-10-10

Abstract

An oil cylinder device belongs to the technical field of oil cylinders and comprises a cylinder body, a telescopic shaft assembly and cover bodies fixedly arranged on the upper end surface and the lower end surface of the cylinder body; a cavity is arranged in the cylinder body in a hollow mode, a group of limiting blocks are fixedly arranged on one side, close to the upper end face and the lower end face, in the cavity, and a group of control valves are arranged on the circumferential end face of the cylinder body; the utility model discloses simple structure, convenient to use drives the through-hole that non return sleeve surface was seted up and return channel's relative position through rotatory non return piece, avoids the potential safety hazard under the condition of not oil feed.

Description

Oil cylinder device

Technical Field

The utility model belongs to the technical field of the hydro-cylinder, in particular to hydro-cylinder device.

Background

The oil cylinder is mainly used for places needing to support heavy objects for a long time, can still support the heavy objects when oil pressure is removed, and is safe and reliable. The self-locking jack can be used underwater, has single action, load retraction and nut self-locking to ensure that the load is safer, is easy to operate and control and is particularly suitable for large-scale engineering, and is provided with a safety pressure maintaining device which is internally provided with a pressure relief valve to prevent overload so as to protect the self-locking jack and facilitate safe operation. The device adopts the connection of a high-pressure rubber pipe and a threaded joint, has quick use, overcomes the defect of oil leakage of the quick traditional joint, and is mainly used for equipment mounting, jacking and disassembling operations in various industries such as electric power, construction, mechanical manufacturing, mines, railway bridges, shipbuilding and the like.

At present, the oil cylinder on the market needs to be continuously fed with oil in the using process, and the telescopic shaft is prevented from retracting due to the action of external force, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil cylinder device to solve the problem that proposes among the above-mentioned background art.

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

an oil cylinder device comprises a cylinder body, a telescopic shaft assembly and cover bodies fixedly arranged on the upper end surface and the lower end surface of the cylinder body; the improved water-saving valve is characterized in that a cavity is arranged in the cylinder body in a hollow mode, a group of first limiting blocks are fixedly arranged on one side, close to the upper end face and the lower end face, of the cavity, a group of control valves are arranged on the circumferential end face of the cylinder body, each control valve comprises a valve body, a water inlet chamber, a backflow chamber and a water outlet chamber are arranged in the corresponding valve body, at least one water inlet is formed in each water inlet chamber, each backflow chamber is provided with at least one backflow port, each water outlet chamber is provided with at least one water outlet, the water inlet chambers, the backflow chambers and the water outlet chambers are communicated with one another, valve seats are arranged at the communication positions of the water inlet chambers and the backflow chambers, valve cores are arranged in the water inlet chambers, backflow springs are sleeved on the valve core bodies, the upper ends of the valve cores penetrate through the valve seats and extend into the backflow chambers to be inserted with valve covers, and the water outlet chambers are in threaded connection with check assemblies.

Furthermore, a backflow channel is further arranged inside the valve body, and the backflow chamber and the water outlet chamber are communicated with each other through the backflow channel.

Further, the telescopic shaft assembly comprises a first telescopic shaft and a second telescopic shaft; a lifting cavity is formed in the lower end face of the first telescopic shaft, a second limiting block is fixedly arranged at the opening of the lifting cavity, a limiting mechanism is fixedly arranged in the lifting cavity, and the second telescopic shaft is accommodated in the lifting cavity; the upper end face of the second telescopic shaft penetrates through the upper end wall of the lifting cavity and is exposed in the external space, and the lower end face of the second telescopic shaft is fixedly provided with a sliding block which is accommodated in the lifting cavity in a sliding manner.

Further, the inner diameter of the lifting cavity is larger than the diameter of the second telescopic shaft.

Furthermore, stop gear is including seting up the elasticity chamber in the lift intracavity surface, elasticity intracavity portion has set firmly the spring, the spring sets firmly the bullet piece towards elasticity chamber open-ended one end.

Further, a cover body fixedly arranged on the upper end face of the cylinder body penetrates through a placement cavity, water stop rubber is sleeved inside the placement cavity, and the first telescopic shaft is arranged in the water stop rubber.

Further, the upper end face of the cover body fixedly arranged on the upper end face of the cylinder body is fixedly provided with a sealing cover, and the sealing cover is sleeved on the outer side of the first telescopic shaft body.

Further, the non return subassembly includes non return sleeve, non return spring and non return piece, the delivery port has been seted up to non return piece one end, and the other end screw thread sets up in going out the water chamber, just the non return piece is towards the terminal surface and the non return spring fixed connection of intake chamber, and the other pot head of non return spring is equipped with the non return sleeve, the one end that the non return spring was kept away from to the non return sleeve passes the junction of going out water chamber and intake chamber, stretches into the intake chamber, wherein, the through-hole has been seted up on the barrel surface that non return spring one end was kept away from to the non return sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use drives the through-hole that non return sleeve surface was seted up and return channel's relative position through rotatory non return piece, avoids the potential safety hazard under the condition of not oil feed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of a control valve according to the present invention;

FIG. 3 is a schematic view of the present invention in partial section;

FIG. 4 is an enlarged view of a portion of FIG. 3 at "A";

Detailed Description

The technical solutions in the embodiments of the present invention will be clear and fully described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b):

as shown in fig. 1, the oil cylinder device includes a cylinder body 2, a telescopic shaft assembly 4, and a cover body 3 fixedly disposed on the upper and lower end surfaces of the cylinder body 2.

As can be seen from fig. 3, a cavity 7 is arranged in the cylinder body 2 in a hollow manner, a group of first limiting blocks 8 is fixedly arranged on one side of the interior of the cavity 7 close to the upper end surface and the lower end surface, and a group of control valves 1 is arranged on the circumferential end surface of the cylinder body 2; in this embodiment, as can be seen from fig. 2, the control valve 1 includes a valve body 102, a water inlet chamber, a water return chamber, and a water outlet chamber are provided inside the valve body 102, the water inlet chamber is provided with at least one water inlet, the water return chamber is provided with at least one water return port, the water outlet chamber is provided with at least one water outlet, the water inlet chamber, the water return chamber, and the water outlet chamber are communicated with each other, a valve seat 101 is provided at a communication position of the water inlet chamber and the water return chamber, a valve core 104 is provided inside the water inlet chamber, a return spring 105 is sleeved on a core body of the valve core 104, an upper end of the valve core 104 penetrates through the valve seat 101 and extends into the water return chamber, a valve cover 106 is inserted into the water return chamber, and the water outlet chamber is connected with a check assembly through a thread.

Wherein, the valve body 102 is also internally provided with a backflow channel, and the backflow chamber and the water outlet chamber are communicated with each other through the backflow channel.

It is worth noting that the non-return assembly comprises a non-return sleeve 107, a non-return spring and a non-return block 103, one end of the non-return block 103 is provided with a water outlet, the other end of the non-return block is arranged in the water outlet chamber in a threaded manner, the end face of the non-return block 103 facing the water inlet chamber is fixedly connected with the non-return spring, the other end of the non-return spring is sleeved with the non-return sleeve 107, one end, far away from the non-return spring, of the non-return sleeve 107 penetrates through the joint of the water outlet chamber and the water inlet chamber and extends into the water inlet chamber, and a through hole is formed in the surface of the barrel, far away from one end of the non-return spring, of the non-return sleeve 107.

In specific use, through rotatory non return piece 103, adjust non return sleeve 107 go up the through-hole with return flow channel's relative position realizes the basic demand of feed liquor and play liquid, simultaneously, if the through-hole with under the condition that return flow channel's position does not correspond, under the outage condition, the unable outflow of liquid in the 2 inside lift chambeies 7 of cylinder body, the telescopic shaft subassembly of avoiding the hydro-cylinder can't bear external force, has effectively avoided the accident to take place.

More preferably, the telescopic shaft assembly 4 comprises a first telescopic shaft 401 and a second telescopic shaft 402; as can be seen from fig. 4, the limiting mechanism 6 includes an elastic cavity 603 formed in the inner surface of the lifting cavity 403, a spring 602 is fixedly disposed in the elastic cavity 603, and an elastic head block 601 is fixedly disposed at one end of the spring 602 facing the opening of the elastic cavity 603; the limiting mechanism 6 with the structure effectively ensures the extending sequence of the first telescopic shaft 401 and the second telescopic shaft 402, ensures the stability of the device in the operation process, the second telescopic shaft 402 is contained in the lifting cavity 403, and the inner diameter of the lifting cavity 403 is larger than the diameter of the second telescopic shaft 402; the upper end surface of the second telescopic shaft 402 penetrates through the upper end wall of the lifting cavity 403 to be exposed to the outside, and a sliding block is fixedly arranged on the lower end surface of the second telescopic shaft 402 and is slidably accommodated in the lifting cavity 403.

In addition, the lid 3 that the up end of cylinder body 2 set firmly runs through and is provided with arrangement cavity, it is equipped with stagnant water rubber to arrange intracavity portion cover, first telescopic shaft 401 cover is located in the stagnant water rubber, just the up end of the lid 3 that the up end of cylinder body 2 set firmly has set firmly sealed lid 5, magic lid 5 cover is located in the first telescopic shaft 401 axis body outside, the inside liquid of guarantee cylinder body 2 takes place to leak.

In the description of the present invention, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention has been described in terms of embodiments, and a number of variations and improvements can be made without departing from the present principles. It should be noted that all the technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.

Claims

1. An oil cylinder device is characterized in that: comprises a cylinder body (2), a telescopic shaft assembly (4) and a cover body (3) fixedly arranged on the upper end surface and the lower end surface of the cylinder body (2); the cylinder body (2) is internally provided with a hollow cavity (7) in a hollow manner, one side of the interior of the hollow cavity (7) close to the upper end face and the lower end face is fixedly provided with a group of first limiting blocks (8), the circumferential end face of the cylinder body (2) is provided with a group of control valves (1), the control valves (1) comprise valve bodies (102), a water inlet chamber, a backflow chamber and a water outlet chamber are arranged in the valve bodies (102), the water inlet chamber is provided with at least one water inlet, the backflow chamber is provided with at least one backflow port, the water outlet chamber is provided with at least one water outlet, the water inlet chamber, the backflow chamber and the water outlet chamber are communicated with each other, a valve seat (101) is arranged at the communication position of the water inlet chamber and the backflow chamber, a valve core (104) is arranged in the water inlet chamber, a backflow spring (105) is sleeved on the core body of the valve core (104), and the upper end of the valve core (104) penetrates through the valve seat (101) and extends into the backflow chamber to be inserted with a valve cover (106), the water outlet chamber is in threaded connection with a check assembly.

2. The cylinder device according to claim 1, wherein: the valve body (102) is also internally provided with a backflow channel, and the backflow chamber and the water outlet chamber are communicated with each other through the backflow channel.

3. The cylinder device according to claim 2, wherein: the telescopic shaft assembly (4) comprises a first telescopic shaft (401) and a second telescopic shaft (402); a lifting cavity (403) is formed in the lower end face of the first telescopic shaft (401), a second limiting block (404) is fixedly arranged at an opening of the lifting cavity (403), a limiting mechanism (6) is fixedly arranged in the lifting cavity (403), and the second telescopic shaft (402) is accommodated in the lifting cavity (403); the upper end face of the second telescopic shaft (402) penetrates through the upper end wall of the lifting cavity (403) and is exposed in the external space, and a sliding block is fixedly arranged on the lower end face of the second telescopic shaft (402) and is slidably accommodated in the lifting cavity (403).

4. A cylinder device according to claim 3, wherein: the inner diameter of the lifting cavity (403) is larger than the diameter of the second telescopic shaft (402).

5. A cylinder device according to claim 3, wherein: stop gear (6) are including offering in elasticity chamber (603) of lift chamber (403) internal surface, elasticity chamber (603) inside has set firmly spring (602), spring (602) have set firmly bullet piece (601) towards elasticity chamber (603) open-ended one end.

6. A cylinder device according to claim 3, wherein: the water-stopping type water-stopping cylinder is characterized in that a placement cavity is arranged in a penetrating mode in a cover body (3) fixedly arranged on the upper end face of the cylinder body (2), water-stopping rubber is sleeved inside the placement cavity, and the water-stopping rubber is sleeved with a first telescopic shaft (401).

7. The cylinder device according to claim 6, wherein: the upper end face of the cover body (3) fixedly arranged on the upper end face of the cylinder body (2) is fixedly provided with a sealing cover (5), and the sealing cover (5) is sleeved on the outer side of the shaft body of the first telescopic shaft (401).

8. The cylinder device according to claim 1, wherein: the non return subassembly includes non return sleeve (107), non return spring and non return piece (103), the delivery port has been seted up to non return piece (103) one end, and another end screw thread sets up in a water chamber, just non return piece (103) are towards the terminal surface and the non return spring fixed connection of intake chamber, and the other pot head of non return spring is equipped with non return sleeve (107), the one end that non return spring was kept away from in non return sleeve (107) passes the junction of a water chamber and an intake chamber, stretches into the intake chamber, wherein, the through-hole has been seted up on the barrel surface that non return spring one end was kept away from in non return sleeve (107).