CN216430130U

CN216430130U - Farm limiting oil cylinder capable of being started and stopped randomly

Info

Publication number: CN216430130U
Application number: CN202123260664.6U
Authority: CN
Inventors: 王竹林
Original assignee: Qingdao Wintin Hydraulic Machinery Co ltd
Current assignee: Qingdao Wintin Hydraulic Machinery Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-03
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a spacing hydro-cylinder in farm that can open wantonly relates to spacing hydro-cylinder technical field, including cylinder body and piston rod, fixedly connected with oil tank on the surface of cylinder body, the one end swing joint of cylinder body has the cylinder bottom, the other end swing joint of cylinder body has the cylinder cap, the inside of cylinder body is provided with locking mechanical system, be provided with buffer gear between cylinder body and the piston rod. The utility model discloses an adopt the adapter sleeve, the intercommunication groove, the steel ball, a spring, spring pedestal, cooperation between sealing member and the spring push rod, at first increase hydraulic oil through one side at the inside adapter sleeve of cylinder body, make pressure differential appear in the adapter sleeve both sides, promote adapter sleeve and piston rod and remove, when needs stop, promote the steel ball through spring push rod, compression spring, make steel ball and intercommunication groove separation, the hydraulic oil circulation, make the hydraulic balance of adapter sleeve both sides, the position of adapter sleeve stops and locks, improve the device availability factor.

Description

Farm limiting oil cylinder capable of being started and stopped randomly

Technical Field

The utility model relates to a spacing hydro-cylinder that can open wantonly relates to spacing hydro-cylinder technical field, concretely relates to spacing hydro-cylinder in farm that can open wantonly.

Background

The limit oil cylinder is also called a limit hydraulic cylinder and is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.

The following problems exist in the prior art:

1. when the existing farm limiting oil cylinder is used, a piston rod cannot be stopped and locked at any position, so that the use efficiency of the device is reduced;

2. the problem that the sealing performance of the device is poor and the normal use of the device is affected due to the fact that a piston collides with a cylinder cover to a certain degree in the using process of an existing farm limiting oil cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model provides a farm limiting oil cylinder which can be started and stopped at will, wherein one purpose is to have the capability of stopping and locking a piston rod at any position in a cylinder body and solve the problem of reduced use efficiency of the device; the other purpose is to solve the problem that the piston and the cylinder cover collide to a certain degree, so that the sealing performance of the device and the normal use of the device are guaranteed.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a spacing hydro-cylinder in farm that can start wantonly, includes cylinder body and piston rod, fixedly connected with oil tank on the surface of cylinder body, the one end swing joint of cylinder body has the cylinder bottom, the other end swing joint of cylinder body has the cylinder cap, the inside of cylinder body is provided with locking mechanical system, be provided with buffer gear between cylinder body and the piston rod.

The locking mechanism comprises a connecting sleeve, the outer surface of the connecting sleeve is movably connected with the inner wall of the cylinder body, and one side of the connecting sleeve is provided with a steel ball, a spring and a spring push rod.

Buffer gear is including soft connecting plate, the surface of soft connecting plate and the outer fixed surface connection of adapter sleeve, one side of soft connecting plate is provided with butt lagging, buffering bottom plate and elasticity lagging.

The utility model discloses technical scheme's further improvement lies in: the connecting sleeve is internally provided with a communicating groove, the outer surface of the steel ball is movably connected with the inner wall of the communicating groove, and the outer surface of one end of the spring is fixedly connected with the outer surface of the steel ball.

The utility model discloses technical scheme's further improvement lies in: the one end fixedly connected with spring base of spring, spring base's surface and the inner wall swing joint of intercommunication groove, spring base's surface and the one end surface fixed connection of piston rod, fixedly connected with sealing member on the surface of adapter sleeve, the one end of spring push rod and the surface swing joint of steel ball, the other end of spring push rod and the surface fixed connection of cylinder bottom.

The utility model discloses technical scheme's further improvement lies in: the flexible connecting plate is characterized in that a connecting rod is movably connected to the inner wall of the flexible connecting plate, a movable plate is movably connected to one end of the connecting rod, a sliding rail is fixedly connected to the inner side of the movable plate, a fork-shaped rod is movably connected to the outer surface of the sliding rail, and an elastic rope is fixedly connected to the outer surface of the fork-shaped rod.

The utility model discloses technical scheme's further improvement lies in: the soft buffer ball is uniformly distributed in the butt sleeve plate, and the buffer hemisphere is fixedly connected to the outer surface of the butt sleeve plate.

The utility model discloses technical scheme's further improvement lies in: one side of the buffer bottom plate is fixedly connected with the inner side of the cylinder cover, one side of the elastic sleeve plate is fixedly connected with the outer surface of the buffer bottom plate, and soft elastic blocks are uniformly distributed in the elastic sleeve plate.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a spacing hydro-cylinder in farm that can open wantonly, adopt the adapter sleeve, the intercommunication groove, the steel ball, a spring, spring base, cooperation between sealing member and the spring push rod, at first one side through at the inside adapter sleeve of cylinder body increases hydraulic oil, make pressure differential appear in the adapter sleeve both sides, promote adapter sleeve and piston rod and remove, when needs stop, promote the steel ball through spring push rod, compression spring, make steel ball and intercommunication groove separation, hydraulic oil circulation, make the hydraulic balance of adapter sleeve both sides, the position of adapter sleeve stops and locks, the high device availability factor.

2. The utility model provides a spacing hydro-cylinder in farm that can open and stop wantonly, adopt soft connecting plate, the butt lagging, the buffering hemisphere, the cooperation between buffering bottom plate and the elastic sheathing, when the piston rod drives adapter sleeve and cylinder cap department and bumps, at first carry out preliminary buffering through the buffering hemisphere, the extrusion force extrusion butt lagging that the collision produced simultaneously, make the butt lagging take place the elastic deformation of certain degree, and extrude soft connecting plate, make it take place elastic deformation, cooperate buffering bottom plate and elastic sheathing simultaneously, the impact force that produces the collision weakens, guarantee the leakproofness of device and the normal use of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of the structural locking mechanism of the present invention;

fig. 3 is an enlarged schematic view of the structure a of the present invention;

fig. 4 is a schematic cross-sectional view of the structural buffer mechanism of the present invention;

fig. 5 is a schematic cross-sectional view of the structural elastic sleeve plate of the present invention.

In the figure: 1. a cylinder body; 11. an oil tank; 12. a cylinder bottom; 13. a cylinder cover; 2. a piston rod;

3. a locking mechanism; 31. connecting sleeves; 32. a communicating groove; 33. a steel ball; 34. a spring; 35. a spring base; 36. a seal member; 37. a spring push rod;

4. a buffer mechanism; 41. a soft connecting plate; 411. a connecting rod; 412. a movable plate; 413. a slide rail; 414. a forked lever; 415. an elastic cord; 42. abutting the sleeve plate; 421. a soft buffer ball; 43. a buffer hemisphere; 44. a buffer base plate; 45. an elastic sleeve plate; 451. a soft elastic block.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-5, the utility model provides a farm limiting oil cylinder capable of being arbitrarily opened and closed, which comprises a cylinder body 1 and a piston rod 2, an oil tank 11 is fixedly connected on the outer surface of the cylinder body 1, one end of the cylinder body 1 is movably connected with a cylinder bottom 12, the other end of the cylinder body 1 is movably connected with a cylinder cover 13, a locking mechanism 3 is arranged inside the cylinder body 1, a buffer mechanism 4 is arranged between the cylinder body 1 and the piston rod 2, the locking mechanism 3 comprises a connecting sleeve 31, the outer surface of the connecting sleeve 31 is movably connected with the inner wall of the cylinder body 1, one side of the connecting sleeve 31 is provided with a steel ball 33, a spring 34 and a spring push rod 37, the buffer mechanism 4 comprises a soft connecting plate 41, the outer surface of the soft connecting plate 41 is fixedly connected with the outer surface of the connecting sleeve 31, one side of the soft connecting plate 41 is provided with a butt sleeve plate 42, a buffer bottom plate 44 and an elastic sleeve plate 45, a communicating groove 32 is arranged inside the connecting sleeve 31, the outer surface of the steel ball 33 is movably connected with the inner wall of the communicating groove 32, the outer surface of one end of the spring 34 is fixedly connected with the outer surface of the steel ball 33, one end of the spring 34 is fixedly connected with a spring base 35, the outer surface of the spring base 35 is movably connected with the inner wall of the communicating groove 32, the outer surface of the spring base 35 is fixedly connected with the outer surface of one end of the piston rod 2, a sealing element 36 is fixedly connected onto the outer surface of the connecting sleeve 31, one end of a spring push rod 37 is movably connected with the outer surface of the steel ball 33, and the other end of the spring push rod 37 is fixedly connected with the outer surface of the cylinder bottom 12.

In this embodiment, firstly, hydraulic oil is added to one side of the connecting sleeve 31 inside the cylinder 1 through the oil tank 11, so that a pressure difference occurs between two sides of the connecting sleeve 31, the connecting sleeve 31 and the piston rod 2 are pushed to move, when the device needs to stop, the steel ball 33 is pushed through the spring push rod 37, the spring 34 is compressed, the steel ball 33 is separated from the communicating groove 32, the hydraulic oil circulates, the hydraulic pressure on two sides of the connecting sleeve 31 is balanced, the position of the connecting sleeve 31 stops and is locked, and the use efficiency of the device is improved.

Example 2

As shown in fig. 1-5, on the basis of embodiment 1, the utility model provides a technical solution: preferably, a connecting rod 411 is movably connected to an inner wall of the soft connecting plate 41, a movable plate 412 is movably connected to one end of the connecting rod 411, a slide rail 413 is fixedly connected to an inner side of the movable plate 412, a forked rod 414 is movably connected to an outer surface of the slide rail 413, an elastic rope 415 is fixedly connected to an outer surface of the forked rod 414, an outer surface of one side of the abutting sleeve plate 42 is fixedly connected to an outer surface of the soft connecting plate 41, soft buffer balls 421 are uniformly distributed inside the abutting sleeve plate 42, and a buffer hemisphere 43 is fixedly connected to an outer surface of the abutting sleeve plate 42.

In this embodiment, when piston rod 2 drives adapter sleeve 31 and cylinder cap 13 department and collides, at first carry out preliminary buffering through buffering hemisphere 43, the extrusion force extrusion butt lagging 42 that the collision produced simultaneously, make butt lagging 42 take place the elastic deformation of certain degree, and extrude soft connecting plate 41, elastic deformation takes place, drive connecting rod 411 and fly leaf 412, make fork shape pole 414 remove along the inboard slide rail 413 of fly leaf 412, and stretch elastic rope 415, the object that has according to taking place elastic deformation resumes the characteristics of deformation trend, produce the effect of the power opposite with collision impact force direction, weaken the impact force, avoid adapter sleeve 31 because the collision and the problem of damage.

Example 3

As shown in fig. 1-5, on the basis of embodiment 1, the utility model provides a technical solution: preferably, one side of the cushion bottom plate 44 is fixedly connected with the inner side of the cylinder cover 13, one side of the elastic sleeve plate 45 is fixedly connected with the outer surface of the cushion bottom plate 44, and the soft elastic blocks 451 are uniformly distributed in the elastic sleeve plate 45.

In this embodiment, when one side of adapter sleeve 31 and one side of cylinder cap 13 produce the collision, at first through buffering hemisphere 43 with the impact force that the collision produced preliminary weaken, extrude elastic sleeve board 45 simultaneously, make it take place certain degree elastic deformation to through the soft elastic block 451 of its inside setting, extrude each other, and weaken the impact force that the collision produced, cooperate the effect of buffering bottom plate 44 again, avoid causing the problem that stronger impact force leads to cylinder cap 13 to damage to cylinder cap 13.

The working principle of the farm limiting oil cylinder capable of being started and stopped at will is described in detail below.

As shown in fig. 1-5, firstly, hydraulic oil is added to one side of the connecting sleeve 31 inside the cylinder 1 through the oil tank 11, so that a pressure difference occurs between two sides of the connecting sleeve 31, the connecting sleeve 31 and the piston rod 2 are pushed to move, when the cylinder needs to stop, the steel ball 33 is pushed by the spring push rod 37, the spring 34 is compressed, the steel ball 33 is separated from the communicating groove 32, the hydraulic oil circulates, so that hydraulic pressure at two sides of the connecting sleeve 31 is balanced, the position of the connecting sleeve 31 stops and is locked, when the piston rod 2 drives the connecting sleeve 31 to collide with the cylinder cover 13, primary buffering is performed through the buffering hemisphere 43, and simultaneously, extrusion force generated by the collision extrudes the abutting sleeve plate 42, so that the abutting sleeve plate 42 generates a certain degree of elastic deformation, and extrudes the soft connecting plate 41, and generates elastic deformation, the connecting rod 411 and the movable plate 412 are driven, so that the forked rod 414 moves along the slide rail 413 inside the movable plate 412, and stretch elastic rope 415, when one side of adapter sleeve 31 and one side of cylinder cap 13 produce the collision simultaneously, at first through buffering hemisphere 43 with the impact force preliminary weakening that the collision produced, extrude elastic sleeve plate 45 simultaneously, make it take place certain elastic deformation, and through the soft elastic block 451 of its inside setting, extrude each other, and weaken the impact force that the collision produced, cooperate the effect of buffering bottom plate 44 again, avoid causing the problem that stronger impact force leads to cylinder cap 13 to damage to cylinder cap 13.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a spacing hydro-cylinder in farm that can start wantonly, includes cylinder body (1) and piston rod (2), fixedly connected with oil tank (11) on the surface of cylinder body (1), the one end swing joint of cylinder body (1) has cylinder bottom (12), the other end swing joint of cylinder body (1) has cylinder cap (13), its characterized in that: a locking mechanism (3) is arranged in the cylinder body (1), and a buffer mechanism (4) is arranged between the cylinder body (1) and the piston rod (2);

the locking mechanism (3) comprises a connecting sleeve (31), the outer surface of the connecting sleeve (31) is movably connected with the inner wall of the cylinder body (1), and one side of the connecting sleeve (31) is provided with a steel ball (33), a spring (34) and a spring push rod (37);

buffer gear (4) including soft connecting plate (41), the surface of soft connecting plate (41) is connected with the surface fixed connection of adapter sleeve (31), one side of soft connecting plate (41) is provided with butt lagging (42), buffer bottom plate (44) and elasticity lagging (45).

2. The farm-limiting oil cylinder capable of being started and stopped randomly according to claim 1, is characterized in that: the connecting sleeve (31) is internally provided with a communicating groove (32), the outer surface of the steel ball (33) is movably connected with the inner wall of the communicating groove (32), and the outer surface of one end of the spring (34) is fixedly connected with the outer surface of the steel ball (33).

3. The farm-limiting oil cylinder capable of being started and stopped randomly according to claim 1, is characterized in that: the one end fixedly connected with spring base (35) of spring (34), the surface of spring base (35) and the inner wall swing joint of intercommunication groove (32), the surface of spring base (35) and the one end surface fixed connection of piston rod (2), fixedly connected with sealing member (36) on the surface of adapter sleeve (31), the surface swing joint of the one end of spring push rod (37) and steel ball (33), the other end of spring push rod (37) and the surface fixed connection of cylinder bottom (12).

4. The farm-limiting oil cylinder capable of being started and stopped randomly according to claim 1, is characterized in that: swing joint has connecting rod (411) on the inner wall of soft connecting plate (41), the one end swing joint of connecting rod (411) has fly leaf (412), the inboard fixedly connected with slide rail (413) of fly leaf (412), swing joint has forked pole (414) on the surface of slide rail (413), fixedly connected with elasticity rope (415) on the surface of forked pole (414).

5. The farm-limiting oil cylinder capable of being started and stopped randomly according to claim 1, is characterized in that: the soft buffer ball bearing is characterized in that the outer surface of one side of the abutting sleeve plate (42) is fixedly connected with the outer surface of the soft connecting plate (41), soft buffer balls (421) are uniformly distributed in the abutting sleeve plate (42), and buffer hemispheres (43) are fixedly connected on the outer surface of the abutting sleeve plate (42).

6. The farm-limiting oil cylinder capable of being started and stopped randomly according to claim 1, is characterized in that: one side of the buffer bottom plate (44) is fixedly connected with the inner side of the cylinder cover (13), one side of the elastic sleeve plate (45) is fixedly connected with the outer surface of the buffer bottom plate (44), and soft elastic blocks (451) are uniformly distributed in the elastic sleeve plate (45).