CN217381096U - Pressure-resistant hydraulic oil cylinder - Google Patents
Pressure-resistant hydraulic oil cylinder Download PDFInfo
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- CN217381096U CN217381096U CN202220590314.1U CN202220590314U CN217381096U CN 217381096 U CN217381096 U CN 217381096U CN 202220590314 U CN202220590314 U CN 202220590314U CN 217381096 U CN217381096 U CN 217381096U
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Abstract
The utility model discloses a pressure-resistant hydraulic oil cylinder, which comprises a cylinder sleeve, wherein the oiling part of the device adopts a mode of an external top cover, oil is conveyed to the inside of the device through a hose and an oiling pipeline, in order to avoid cylinder explosion caused by overlarge pressure in the device, a handle is rotated to control a ball valve to rotate in the ball sleeve, so that the effect of one-way oil feeding is realized, and the phenomenon of cylinder explosion due to back suction is directly avoided; meanwhile, the device is indirectly provided with the rod piece in a mode of internally connecting the balls and arranging the steel pipe on the inner wall of the ball, so that the huge pressure of the inner pressure on the surface of the cylinder sleeve is reduced through the balls, and the purpose of reducing the pressure is achieved; meanwhile, the built-in steel pipe has higher structural strength, and can reduce most internal pressure at one time; meanwhile, in order to avoid the cylinder release phenomenon caused by overlarge pressure, springs are connected inside the rod piece and the steel pipe; and a sealing device is arranged on the end face of the device to prevent the device from leaking.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field specifically is a withstand voltage hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs 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 buffer device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
The utility model provides a hydraulic cylinder in chinese utility model CN201620427907.0 has hydraulic cylinder of high shock-absorbing capacity, specifically as follows: the utility model discloses a hydraulic cylinder with high shock-absorbing capacity relates to hydraulic pressure technical field. The utility model provides a hydraulic cylinder with high shock-absorbing capacity, including cylinder and cylinder cap, set up the piston in cylinder and the cylinder cap, set up the piston rod on the piston, set up hydraulic fluid port and hydraulic fluid port under the hydro-cylinder on the cylinder lateral wall, set up first oil pipe on the hydraulic fluid port on the hydro-cylinder, set up second oil pipe under the hydro-cylinder on the hydraulic fluid port, set up the valve body on first oil pipe and the second oil pipe, set up the cavity in the valve body, set up the case in the cavity, set up the handle on the valve body, set up third oil pipe on the second oil pipe, it sets up first baffle to be close to hydraulic cylinder one end in the third oil pipe, set up the opening on the baffle, the opening part sets up the second baffle, the second baffle left side sets up the spring, the spring is kept away from second baffle one end and is set up the throttle plate, set up the through-hole on the throttle plate. The beneficial effects of the utility model reside in that: the utility model discloses make the piston rod shock-absorbing capacity improve when the withdrawal acting, reduce the impact force of piston to the cylinder body.
However, the existing hydraulic oil cylinder has the following technical defects: the hydraulic oil cylinder in the prior art adopts a single-tube type conduction device, and the single-tube type conduction device can cause tube explosion under the condition of overlarge internal hydraulic pressure, so that the safety performance of the hydraulic oil cylinder in the prior art is poor; the existing hydraulic oil cylinder is lack of a corresponding damping device, so that the hydraulic device is easy to generate large vibration in the using process and further damage the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a withstand voltage hydraulic cylinder to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure-resistant hydraulic oil cylinder comprises a cylinder sleeve and further comprises:
the cylinder sleeve device is arranged on one side of the cylinder sleeve;
the reverse-suction oiling device is arranged inside the cylinder sleeve device;
the inner sleeve device comprises a ball which is arranged on the inner wall of the cylinder sleeve in a rolling mode, a steel pipe is movably arranged on the surface of the ball, a ball slideway is formed in the surface of the steel pipe, a lower oil duct is formed in the side edge of the steel pipe, an oil applying opening is formed in one side of the steel pipe, a spring is fixed in the steel pipe, a plunger is fixed on one side of the spring, a first rubber ring is fixed on the surface of the plunger, and a rod piece is fixed on one side of the plunger;
and the sealing device is arranged on the end surface of the cylinder sleeve device.
According to a further technical scheme, the cylinder sleeve device comprises an outer lower oil duct arranged on the surface of the cylinder sleeve, and a first sealing cover is fixed on the surface of the outer lower oil duct.
Further technical scheme, prevent suck-back device that oils is including fixing the overhead guard in cylinder liner one side, and one side of overhead guard is fixed with the manometer, and the inside of overhead guard runs through to install the pipeline that oils, and the hose is installed to the terminal surface of the pipeline that oils, and the internally mounted of overhead guard has the check valve device, and one side intercommunication of check valve device has the oil duct, and the bottom at the cylinder liner is seted up to the oil duct.
According to the further technical scheme, the one-way valve device comprises a ball sleeve, a ball valve is rotatably arranged inside the ball sleeve, and a handle is fixed at the top of the ball valve.
According to a further technical scheme, the sealing device comprises a second sealing cover fixed on the end face of the cylinder sleeve, rivets are fixed on the side edge of the second sealing cover, and a second rubber ring is fixed in the middle of the second sealing cover.
Compared with the prior art, the beneficial effects of the utility model are that: aiming at the technical defects existing in the prior art, the device provides a corresponding solution: firstly, an oiling part of the device adopts a mode of externally connecting a top cover, oil is conveyed to the inside of the device through a hose and an oiling pipeline, in order to avoid cylinder explosion caused by overlarge internal pressure of the device, a ball valve is controlled to rotate in a ball sleeve by rotating a handle, so that the one-way oil inlet effect is realized, and the phenomenon of cylinder explosion due to back suction is directly avoided; meanwhile, the rod piece is indirectly installed in a mode that the steel pipe is installed on the inner wall of the ball through the internally connected ball, so that the huge pressure of the internal pressure of the ball on the surface of the cylinder sleeve is reduced, and the purpose of reducing the pressure is achieved; meanwhile, the built-in steel pipe has higher structural strength, and can reduce most internal pressure at one time; meanwhile, in order to avoid the cylinder release phenomenon caused by overlarge pressure, springs are connected inside the rod piece and the steel pipe; and a sealing device is arranged on the end face of the device to prevent the device from leaking.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a check valve device according to the present invention;
fig. 3 is a schematic structural view of the middle inner sleeve device of the present invention;
fig. 4 is a schematic structural diagram of the middle sealing device of the present invention.
In the figure: the device comprises a cylinder sleeve 1, a top cover 2, a pressure gauge 3, an oil feeding pipeline 4, a hose 5, a one-way valve device 6, an oil duct 7, a ball 8, a cylinder sleeve device 9, an outer oil discharging channel 10, a first sealing cover 11, a spring 12, a plunger 13, a first rubber ring 14, a rod 15, a sealing device 16, a ball sleeve 17, a conduction pipe 18, a handle 19, a ball valve 20, a steel pipe 21, a ball sliding way 22, an oil discharging channel 23, a second sealing cover 24, a rivet 25 and a second rubber ring 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-4, the present invention provides a technical solution: a pressure-resistant hydraulic oil cylinder comprises a cylinder sleeve 1 and further comprises:
the cylinder sleeve device is an external structure which simulates the design of the prior art device; the cylinder sleeve device is arranged on one side of the cylinder sleeve 1;
the suck-back prevention oiling device is used for realizing one-way oiling and avoiding the phenomenon of cylinder explosion due to suck-back of the device; the back suction oiling device is arranged inside the cylinder sleeve device;
the inner sleeve device 9, the inner sleeve device 9 includes the ball 8 that is installed in the inboard wall of the cylinder liner 1 rollingly, the surface activity of the ball 8 installs the steel tube 21, the steel tube 21 can move relative to ball 8; the surface of the steel pipe 21 is provided with a ball slideway 22, and the ball slideway 22 is used for mounting the ball 8; a lower oil duct 23 is formed in the side edge of the steel pipe 21, and the lower oil duct 23 is a hole designed to be matched with the oil duct 7; one side of the steel pipe 21 is provided with an oiling opening for oiling the inside of the steel pipe 21; a spring 12 is fixed inside the steel tube 21 and used for providing stretching acting force for the rod piece 15; a plunger 13 is fixed on one side of the spring 12, a first rubber ring 14 is fixed on the surface of the plunger 13, and a rod piece 15 which is a directly externally connected part is fixed on one side of the plunger 13;
a sealing device 16 for realizing the sealing effect of the end surface of the device; the sealing means 16 is mounted on the end face of the cylinder liner means.
Example 2:
referring to fig. 1-4, the cylinder liner device includes an external lower oil passage 10 formed on the surface of the cylinder liner 1 for internal oil delivery; a first sealing cover 11 is fixed on the surface of the outer lower oil gallery 10 for sealing.
The anti-suck-back oiling device comprises a top cover 2 fixed on one side of a cylinder sleeve 1, a pressure gauge 3 is fixed on one side of the top cover 2, and the pressure gauge 3 is used for detecting the pressure inside the device; an oiling pipeline 4 penetrates through the inside of the top cover 2, and a hose 5 is arranged on the end face of the oiling pipeline 4, wherein an oiling device is arranged above the hose 5; a one-way valve device 6 is arranged in the top cover 2 and used for realizing one-way oiling; one side of the one-way valve device 6 is communicated with an oil duct 7, and the oil duct 7 is arranged at the bottom of the cylinder sleeve 1 and used for directly supplying oil to the inside of the cylinder sleeve 1.
The one-way valve device 6 comprises a ball sleeve 17, a ball valve 20 is rotatably arranged in the ball sleeve 17, and the oiling or closing effect of the conduction pipes 18 on two sides can be realized in the rotating process of the ball valve 20; a handle 19 is fixed to the top of the ball valve 20 for directly controlling the ball valve 20.
The sealing device 16 comprises a second sealing cover 24 fixed on the end surface of the cylinder sleeve 1, a rivet 25 is fixed on the side edge of the second sealing cover 24, and the rivet 25 is used for fixing the second sealing cover 24; a second rubber ring 26 is fixed at the middle part of the second sealing cover 24, and the second rubber ring 26 is used for realizing the surface sealing effect.
Example 3
With reference to fig. 1 to 4 of the present application, when the device is in normal use, the present device provides a corresponding solution to the technical defects existing in the prior art: firstly, an oiling part of the device adopts a mode of externally connecting a top cover 2, oil is conveyed to the inside of the device through a hose 5 and an oiling pipeline 4, in order to avoid cylinder explosion caused by overlarge internal pressure of the device, a ball valve 20 is controlled to rotate in a ball sleeve 17 through a rotating handle 19, so that the one-way oil inlet effect is realized, and the phenomenon of cylinder explosion due to back suction is directly avoided; meanwhile, the device is indirectly provided with the rod piece 15 in a mode of internally connecting the ball 8 and installing the steel pipe 21 on the inner wall of the ball 8 so as to reduce the huge pressure of the internal pressure on the surface of the cylinder sleeve 1 through the ball 8, thereby achieving the purpose of reducing the pressure; meanwhile, the built-in steel pipe 21 has high structural strength, and can reduce most internal pressure at one time; meanwhile, in order to avoid the cylinder release phenomenon caused by overlarge pressure, a spring 12 is connected inside the rod piece 15 and the steel pipe 21; a sealing device 16 is mounted on the end face of the device to prevent leakage of the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a withstand voltage hydraulic cylinder, includes cylinder liner (1), its characterized in that still includes:
the cylinder sleeve device is arranged on one side of the cylinder sleeve (1);
the reverse-suction oiling device is arranged inside the cylinder sleeve device;
the oil cylinder structure comprises an inner sleeve device (9), wherein the inner sleeve device (9) comprises balls (8) which are arranged on the inner wall of a cylinder sleeve (1) in a rolling mode, a steel pipe (21) is movably arranged on the surface of each ball (8), a ball slide way (22) is arranged on the surface of each steel pipe (21), a lower oil duct (23) is arranged on the side edge of each steel pipe (21), an oiling opening is formed in one side of each steel pipe (21), a spring (12) is fixed inside each steel pipe (21), a plunger (13) is fixed on one side of each spring (12), a first rubber ring (14) is fixed on the surface of each plunger (13), and a rod piece (15) is fixed on one side of each plunger (13);
and the sealing device (16) is mounted on the end face of the cylinder sleeve device.
2. A pressure resistant hydraulic ram as claimed in claim 1 wherein: the cylinder sleeve device comprises an outer lower oil duct (10) arranged on the surface of the cylinder sleeve (1), and a first sealing cover (11) is fixed on the surface of the outer lower oil duct (10).
3. A pressure resistant hydraulic ram as claimed in claim 1 wherein: prevent suck-back device of oiling is including fixing top cover (2) in cylinder liner (1) one side, one side of top cover (2) is fixed with manometer (3), the inside of top cover (2) is run through and is installed oil pipe way (4), hose (5) are installed to the terminal surface of oil pipe way (4), the internally mounted of top cover (2) has check valve device (6), one side intercommunication of check valve device (6) has oil duct (7), the bottom at cylinder liner (1) is seted up in oil duct (7).
4. A pressure resistant hydraulic ram as claimed in claim 3 wherein: the check valve device (6) comprises a ball sleeve (17), a ball valve (20) is rotatably mounted inside the ball sleeve (17), and a handle (19) is fixed to the top of the ball valve (20).
5. A pressure resistant hydraulic ram as claimed in claim 1 wherein: the sealing device (16) comprises a second sealing cover (24) fixed on the end face of the cylinder sleeve (1), a rivet (25) is fixed on the side edge of the second sealing cover (24), and a second rubber ring (26) is fixed in the middle of the second sealing cover (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220590314.1U CN217381096U (en) | 2022-03-17 | 2022-03-17 | Pressure-resistant hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220590314.1U CN217381096U (en) | 2022-03-17 | 2022-03-17 | Pressure-resistant hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217381096U true CN217381096U (en) | 2022-09-06 |
Family
ID=83102592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220590314.1U Active CN217381096U (en) | 2022-03-17 | 2022-03-17 | Pressure-resistant hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217381096U (en) |
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2022
- 2022-03-17 CN CN202220590314.1U patent/CN217381096U/en active Active
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