CN210509782U - Novel hydraulic bidirectional lock - Google Patents
Novel hydraulic bidirectional lock Download PDFInfo
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- CN210509782U CN210509782U CN201920597108.1U CN201920597108U CN210509782U CN 210509782 U CN210509782 U CN 210509782U CN 201920597108 U CN201920597108 U CN 201920597108U CN 210509782 U CN210509782 U CN 210509782U
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Abstract
The utility model relates to a novel hydraulic bidirectional lock, which comprises a shell, an oil inlet I, an oil outlet I, an oil inlet II, an oil outlet II and a movable cavity; a left piston and a right piston are installed in the movable cavity, a left installation groove is formed in the left side of the left piston, a left valve core, a left connecting spring and a left stop block are installed in the left installation groove, and a left buffer spring is fixedly connected to the right end face of the left valve core; a right mounting groove is formed in the right side of the right piston, a right valve core, a right connecting spring and a right stop block are mounted in the right mounting groove, and a right buffer spring is fixedly connected to the left end face of the right valve core; a central valve rod is arranged in the movable cavity, and the central valve rod moves left and right. The direct impact between the central valve rod and the valve core is avoided through the buffering action of the buffering spring, the damage period of the valve core is shortened, and the cost is saved; oil return can be fully realized through the anti-slip threads, the anti-slip ring and the buffer spring.
Description
Technical Field
The utility model relates to a hydraulic control technical field, concretely relates to novel two-way lock of hydraulic pressure.
Background
The hydraulic bidirectional lock is widely used, the hydraulic bidirectional lock is prevented from being incapable of realizing oil return in use, and is a hydraulic element with a protection function, the hydraulic bidirectional lock mainly depends on a piston rod inside to perform piston movement between two cavities, hydraulic oil presses the piston rod after oil is fed into an oil inlet hole of the cavity I, and then presses the valve core by means of the piston rod, so that oil return is realized in the cavity II.
The two-way hydraulic lock sealing structure comprises a valve body, wherein two valve cores which are symmetrically arranged are arranged in the valve body, and a control piston is connected between the two valve cores; blind hole type mounting holes for mounting the valve core are respectively formed in the left end and the right end of the valve body, and a piston slide way for mounting a control piston is arranged between the two mounting holes; the middle part and the bottom part in the left mounting hole of the valve body are respectively provided with an undercut groove I and an undercut groove II; the middle part and the bottom part in the right mounting hole of the valve body are respectively provided with an undercut groove IV and an undercut groove III; the valve body is provided with an oil outlet I communicated with the undercut groove I, an oil inlet I communicated with the undercut groove II, an oil outlet II communicated with the undercut groove III and an oil inlet II communicated with the undercut groove IV.
For example, when the hydraulic bidirectional lock is used, hydraulic oil in the cavity I is not enough to support the piston rod to press the valve core, the cavity II is not in oil return, and the residual hydraulic oil in the cavity I cannot achieve the oil return effect in the cavity II; meanwhile, in the using process, the impact force of the hydraulic oil enables the piston rod to impact the inner valve core to cause damage, and the service life of the hydraulic bidirectional lock is shortened.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a novel two-way lock of hydraulic pressure makes hydraulic oil fully realize setting up the life that buffer increased the two-way lock of hydraulic pressure when returning.
In order to achieve the above object, the utility model adopts the following technical scheme: the oil inlet I, the oil outlet I, the oil inlet II, the oil outlet II and a movable cavity arranged in the shell are included;
the left side and the right side of the movable cavity are respectively provided with a symmetrical left piston and a symmetrical right piston, the left side of the left piston is provided with a left mounting groove with a left opening and communicated with the left piston, a left valve core, a left connecting spring and a left stop block which are fixedly connected with the left valve core are sequentially mounted in the left mounting groove from right to left, a rubber ring is embedded in the outer side surface of the left valve core, the rubber ring is rubbed with the inner side surface of the left mounting groove, the left end surface of the left valve core is fixedly connected to the left stop block through the left connecting spring, the left stop block is fixedly covered at the opening of the left mounting groove, and the right end surface of the left valve core is; the right side of the right piston is provided with a right mounting groove with a right opening and communicated with the right piston, a right valve core, a right connecting spring and a right stop block which are fixedly connected with the right valve core are sequentially mounted in the right mounting groove from left to right, a rubber ring is embedded in the outer side surface of the right valve core and rubs with the inner side surface of the right mounting groove, the left end surface of the right valve core is fixedly connected with a right buffer spring, the right end surface of the right valve core is fixedly connected to the right stop block through the right connecting spring, and the right stop block is fixedly covered at the opening of the right mounting groove;
the peripheral side surfaces of the left end and the right end of the inner wall of the movable cavity are respectively provided with anti-skidding grains;
a central valve rod is arranged in the movable cavity, the left end face of the central valve rod penetrates through the movable cavity leftwards and is inserted into the left piston, the right end face of the central valve rod penetrates through the movable cavity rightwards and is inserted into the right piston, a sealing ring is sleeved in the middle of the outer side face of the central valve rod, anti-skid rings are respectively arranged on two sides of the sealing ring, the anti-skid rings rub with the anti-skid threads, and the central valve rod moves leftwards and rightwards;
the oil inlet I is upwards inserted into the shell and communicated with the cavity inside the left piston, the oil outlet I is downwards inserted into the shell and communicated with the left mounting groove, the oil inlet II is upwards inserted into the shell and communicated with the cavity inside the right piston, and the oil outlet II is downwards inserted into the shell and communicated with the right mounting groove.
Preferably, the oil inlet I and the oil inlet II are axisymmetrical with respect to the movable cavity, and the oil outlet I and the oil outlet II are axisymmetrical with respect to the movable cavity.
In any of the above schemes, preferably, the oil outlets i are two vertically arranged oil outlets which are communicated with each other, the oil outlets ii are two vertically arranged oil outlets which are communicated with each other, and the plurality of oil outlets are more convenient in the using process.
In any of the above schemes, preferably, the outer side surfaces of the left piston and the right piston are sleeved with sealing rubber rings.
In any of the above schemes, preferably, a left buffer block is arranged between the left valve core and the left piston, and a right buffer block is arranged between the right valve core and the right piston. The damage of the valve core or the piston caused by the direct impact of the valve core and the piston is prevented, and the service life is prolonged.
In any of the above schemes, preferably, the left valve core and the right valve core are axisymmetrical with respect to the movable cavity, and the heads of the left valve core and the right valve core on the side close to the movable cavity are both in a circular truncated cone structure.
In any of the above schemes, preferably, the head of the left valve core is inserted into the left piston, the outer side surface of the left valve core is seamlessly connected with the inner side surface of the left mounting groove, and the left valve core can move left and right; the head of the right valve core is inserted into the right piston, the outer side surface of the right valve core is in seamless connection with the inner side surface of the right mounting groove, and the right valve core can move left and right. The valve core is connected with the mounting groove in a seamless mode, so that oil can be pressed against the valve core to drive the valve core to move, and oil circulation is achieved.
In any of the above aspects, preferably, the material of the central valve rod is stainless steel material. The central valve rod is used for jacking the valve core, and the stainless steel material is wear-resistant, so that the service cycle is prolonged.
In any of the above schemes, preferably, the left stopper is in threaded connection with the left mounting groove through a gasket, and the right stopper is in threaded connection with the right mounting groove through a gasket. The gasket plays the sealed and buffering effect, and threaded connection is convenient to dismantle.
Compared with the prior art, the utility model provides a pair of novel two-way lock of hydraulic pressure has following beneficial effect:
1) the right end face of the left valve core is connected with the left buffer spring, the left end face of the right valve core is connected with the right buffer spring, the left buffer spring and the right buffer spring are impacted with the central valve rod, the central valve rod is prevented from directly impacting the left valve core and the right valve core, the service lives of the central valve rod, the left valve core and the right valve core are prolonged, the cost is saved, and the service efficiency is improved.
2) Rubber rings are embedded in the outer side surfaces of the left valve core and the right valve core, and the rubber rings rub with the left mounting groove and the right mounting groove, so that the left valve core and the right valve core slowly move under the restoring force of the left connecting spring and the right connecting spring, and oil in the oil inlet fully flows out through the oil outlet; the movable cavity is internally provided with anti-slip lines, the central valve rod is embedded with an anti-slip ring, and the friction between the anti-slip lines and the anti-slip ring is utilized, so that the central valve rod is slowly moved under the restoring force action of the buffer spring after being pressed against the valve core on one side, the oil is fully returned, the use efficiency is improved, and the use effect is better achieved.
3) Oil-out I and oil-out II all are equipped with two, are vertical structure, and are more convenient, swift in the use.
4) The head of the valve core is designed in a circular truncated cone shape, and the head of the valve core is inserted into the piston, so that the valve core is pushed by oil to move, the flow of the oil is realized, and the use efficiency is improved.
5) A buffer block is arranged between the valve core and the piston, the valve core moves left and right to prevent the valve core from impacting the piston to cause damage to the valve core and the piston, and the service life of the valve core and the piston is shortened.
6) The center valve rod is made of stainless steel materials, so that the wear resistance and the service life of the center valve rod are enhanced.
7) The dog passes through gasket threaded connection, has reached sealed and buffering effect, convenient dismantlement simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of a preferred embodiment of a novel hydraulic bidirectional lock provided by the present invention;
fig. 2 is a left side view of the novel hydraulic bidirectional lock provided by the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a partial sectional view taken along line B of FIG. 3;
fig. 5 is a top view of the novel hydraulic bidirectional lock provided by the present invention;
fig. 6 is a schematic perspective view of a novel hydraulic bidirectional lock provided by the present invention;
the figures are labeled as follows: 1. a housing; 2. an oil inlet I; 3. an oil outlet I; 4. an oil inlet II; 5. an oil outlet II; 6. A left connecting spring; 7. a left stop block; 8. a left buffer spring; 9. a central valve stem; 10. a right buffer spring; 11. a right valve core; 12. a right connecting spring; 13. a right stopper; 14. a left valve core; 15. a left piston; 16. anti-skid lines; 17. an anti-slip ring; 18. a movable cavity; 19. and a right piston.
Detailed Description
In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.
As shown in fig. 1 to 6, according to an embodiment of the novel two-way lock of hydraulic pressure provided by the present invention, the lock includes a housing 1, an oil inlet i 2, an oil outlet i 3, an oil inlet ii 4, an oil outlet ii 5, and a movable cavity 18 installed inside the housing 1;
the left side and the right side of the movable cavity 18 are respectively provided with a left piston 15 and a right piston 19 which are symmetrical, and the outer side surfaces of the left piston 15 and the right piston 19 are respectively sleeved with a sealing rubber ring;
in this embodiment, the device sleeved on the outer side surface of each of the left piston 15 and the right piston 19 is not limited to a sealing rubber ring, and may be other sealing devices.
A left mounting groove with a left opening and communicated with the left piston 15 is formed in the left side of the left piston 15, a left valve core 14, a left connecting spring 6 and a left stop block 7 which are fixedly connected with the left valve core 14 are sequentially mounted in the left mounting groove from right to left, the outer side surface of the left valve core 14 is in seamless connection with the inner side surface of the left mounting groove, the left valve core 14 can move left and right, a left buffer block is arranged between the left valve core 14 and the left piston 15, the left end surface of the left valve core 14 is fixedly connected to the left stop block 7 through the left connecting spring 6, the left stop block 7 is in threaded covering connection with the opening of the left mounting groove through a gasket, the right end of the left valve core 14 is of a;
a right mounting groove with a right opening and communicated with the right piston 19 is formed in the right side of the right piston 19, a right valve core 11, a right connecting spring 12 and a right stop block 13 are sequentially mounted in the right mounting groove from left to right, the right connecting spring 12 and the right stop block 13 are fixedly connected with the right valve core 11, the outer side surface of the right valve core 11 is in seamless connection with the inner side surface of the right mounting groove, the right valve core 11 can move left and right, the left end of the right valve core 11 is in a circular truncated cone structure, the left end surface of the right valve core 11 is fixedly connected with a right buffer spring 10, a right buffer block is arranged between the right valve core 11 and the right piston 19, the right end surface of the right valve core 11 is fixedly connected to the right stop;
the peripheral sides of the left end and the right end of the inner wall of the movable cavity 18 are respectively provided with anti-skid grains 16;
in the above embodiment, the anti-slip device is not limited to the above-mentioned anti-slip device, and other devices capable of achieving technical effects may be used.
A central valve rod 9 is arranged in the movable cavity 18, the left end face of the central valve rod 9 penetrates through the movable cavity 18 leftwards and is inserted into the left piston 15, the right end face of the central valve rod 9 penetrates through the movable cavity 18 rightwards and is inserted into the right piston 19, a sealing ring is sleeved in the middle of the outer side face of the central valve rod 9, anti-skidding rings 17 are respectively arranged on two sides of the sealing ring, the anti-skidding rings 17 rub with the anti-skidding threads 16, and the central valve rod 9 moves leftwards and rightwards;
in the above embodiment, the material of the central valve rod 9 is stainless steel.
The oil inlet I2 and the oil inlet II 4 are axially symmetrical about the movable cavity 18, the oil inlet I2 is upwards inserted into the shell 1 and communicated with the inner cavity of the left piston 15, and the oil inlet II 4 is upwards inserted into the shell 1 and communicated with the inner cavity of the right piston 19;
oil-out I3 is two oil-outs that are linked together the perpendicular setting, and oil-out I3 is inserted downwards in casing 1 and is communicated with each other with the left mounting groove, and oil-out II 5 is two perpendicular setting oil-outs that are linked together, and oil-out II 5 inserts downwards in casing 1 and communicates with each other with the right mounting groove, and oil-out I3 and oil-out II 5 are the axisymmetric structure about activity chamber 18.
The working principle and method of the embodiment are as follows:
the friction force between the rubber ring on the outer side surface of the valve core and the inner side surface of the left mounting groove is utilized to act with the restoring force of the connecting spring, so that the valve core is slowly restored, and oil liquid fully flows from the oil inlet to the oil outlet; the central valve rod 9 is slowly restored to the original position by the mutual action of the restoring force between the friction force of the anti-skidding ring 17 and the anti-skidding lines 16 on the central valve rod 9 and the restoring force of the buffer spring, and oil is fully returned.
A buffer spring between the valve core and the central valve rod 9 plays a buffer role, and the central valve rod 9 is prevented from impacting the valve core after being stressed to damage the valve core and the central valve rod 9; the buffer block between the valve core and the piston plays a role in buffering, and the valve core and the piston are prevented from being damaged due to the fact that the piston is impacted in the movement process of the valve core.
When no oil liquid exists: the left valve core 14 is clamped as an oil outlet I3, the right valve core 11 is clamped as an oil outlet II 5, and the left valve core 14 and the right valve core 11 play a pressure maintaining role at the moment to prevent oil from flowing;
when oil inlet I2 takes oil: oil enters the cavity inside the left piston 15 from the oil inlet I2, when the cavity inside the left piston 15 is filled with the oil, the oil which continuously enters can push the left valve core 14 to enable the left valve core 14 to move leftwards, a rubber ring on the outer side face of the left valve core 14 is in friction with the inner side face of the left mounting groove, the left valve core 14 extrudes the left connecting spring 6 leftwards, the oil outlet I3 is communicated with the left mounting groove, and the oil starts to flow to the oil outlet I3; simultaneously fluid roof pressure right makes central valve rod 9 move right, and central valve rod 9 can stretch left buffer spring 8, and central valve rod 9 extrudees right buffer spring 10 right, and right buffer spring 10 extrudees right case 11, and right case 11 moves right extrusion right connecting spring 12, and oil-out II 5 communicates with each other with right mounting groove this moment, and inside fluid in oil-out II 5 flowed into right mounting groove, flowed out through II 4 of oil inlet, realized the oil return.
Along with the reduction of the inflow amount of oil from the oil inlet I2, the oil in the cavity of the left piston 15 cannot press the left valve core 14 and the central valve rod 9, the left valve core 14 moves rightwards under the restoring force of the left connecting spring 6, and the friction force between the left valve core 14 and the left mounting groove slows down the movement speed of the left valve core 14 at the moment, so that the oil in the left piston 15 fully flows into the oil outlet I3; at this moment, oil can not be ejected to the central valve rod 9, the central valve rod 9 receives the restoring force of the right side and the right side connected with the buffer spring and the restoring force of the left side buffer spring 8, the right valve core 11 receives the restoring force of the right connecting spring 12, the central valve rod 9 and the right valve core 11 move leftwards, the central valve rod 9 simultaneously receives the friction force to reduce the movement leftwards of the central valve rod 9, the right valve core 11 receives the friction force to reduce the movement leftwards of the right valve core 11, and the oil is made to fully flow into the right piston 19 and flows out through the oil inlet II 4.
When oil is fed to an oil inlet II 4: the same principle and method are used.
Compared with the prior art, the embodiment has the following beneficial effects:
1) the right end face of the left valve core is connected with the left buffer spring, the left end face of the right valve core is connected with the right buffer spring, the left buffer spring and the right buffer spring are impacted with the central valve rod, the central valve rod is prevented from directly impacting the left valve core and the right valve core, the service lives of the central valve rod, the left valve core and the right valve core are prolonged, the cost is saved, and the service efficiency is improved.
2) Rubber rings are embedded in the outer side surfaces of the left valve core and the right valve core, and the rubber rings rub with the left mounting groove and the right mounting groove, so that the left valve core and the right valve core slowly move under the restoring force of the left connecting spring and the right connecting spring, and oil in the oil inlet fully flows out through the oil outlet; the movable cavity is internally provided with anti-slip lines, the central valve rod is embedded with an anti-slip ring, and the friction between the anti-slip lines and the anti-slip ring is utilized, so that the central valve rod is slowly moved under the restoring force action of the buffer spring after being pressed against the valve core on one side, the oil is fully returned, the use efficiency is improved, and the use effect is better achieved.
3) Oil-out I and oil-out II all are equipped with two, are vertical structure, and are more convenient, swift in the use.
4) The head of the valve core is designed in a circular truncated cone shape, and the head of the valve core is inserted into the piston, so that the valve core is pushed by oil to move, the flow of the oil is realized, and the use efficiency is improved.
5) A buffer block is arranged between the valve core and the piston, the valve core moves left and right to prevent the valve core from impacting the piston to cause damage to the valve core and the piston, and the service life of the valve core and the piston is shortened.
6) The center valve rod is made of stainless steel materials, so that the wear resistance and the service life of the center valve rod are enhanced.
7) The dog passes through gasket threaded connection, has reached sealed and buffering effect, convenient dismantlement simultaneously.
It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a novel two-way lock of hydraulic pressure which characterized in that: the oil inlet I, the oil outlet I, the oil inlet II, the oil outlet II and a movable cavity arranged in the shell are included;
the left side and the right side of the movable cavity are respectively provided with a symmetrical left piston and a symmetrical right piston, the left side of the left piston is provided with a left mounting groove with a left opening and communicated with the left piston, a left valve core, a left connecting spring and a left stop block which are fixedly connected with the left valve core are sequentially mounted in the left mounting groove from right to left, a rubber ring is embedded in the outer side surface of the left valve core, the rubber ring is rubbed with the inner side surface of the left mounting groove, the left end surface of the left valve core is fixedly connected to the left stop block through the left connecting spring, the left stop block is fixedly covered at the opening of the left mounting groove, and the right end surface of the left valve core is; the right side of the right piston is provided with a right mounting groove with a right opening and communicated with the right piston, a right valve core, a right connecting spring and a right stop block which are fixedly connected with the right valve core are sequentially mounted in the right mounting groove from left to right, a rubber ring is embedded in the outer side surface of the right valve core and rubs with the inner side surface of the right mounting groove, the left end surface of the right valve core is fixedly connected with a right buffer spring, the right end surface of the right valve core is fixedly connected to the right stop block through the right connecting spring, and the right stop block is fixedly covered at the opening of the right mounting groove;
the peripheral side surfaces of the left end and the right end of the inner wall of the movable cavity are respectively provided with anti-skidding grains;
a central valve rod is arranged in the movable cavity, the left end face of the central valve rod penetrates through the movable cavity leftwards and is inserted into the left piston, the right end face of the central valve rod penetrates through the movable cavity rightwards and is inserted into the right piston, a sealing ring is sleeved in the middle of the outer side face of the central valve rod, anti-skid rings are respectively arranged on two sides of the sealing ring, the anti-skid rings rub with the anti-skid threads, and the central valve rod moves leftwards and rightwards;
the oil inlet I is upwards inserted into the shell and communicated with the cavity inside the left piston, the oil outlet I is downwards inserted into the shell and communicated with the left mounting groove, the oil inlet II is upwards inserted into the shell and communicated with the cavity inside the right piston, and the oil outlet II is downwards inserted into the shell and communicated with the right mounting groove.
2. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: the oil inlet I and the oil inlet II are axisymmetric relative to the movable cavity, and the oil outlet I and the oil outlet II are axisymmetric relative to the movable cavity.
3. A hydraulic novel bidirectional lock as defined in claim 1 or 2, characterized in that: the oil outlets I are two oil outlets which are communicated and vertically arranged, and the oil outlets II are two oil outlets which are communicated and vertically arranged.
4. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: and the outer side surfaces of the left piston and the right piston are sleeved with sealing rubber rings.
5. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: a left buffer block is arranged between the left valve core and the left piston, and a right buffer block is arranged between the right valve core and the right piston.
6. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: the left valve core and the right valve core are axisymmetrical about the movable cavity, and the heads of the left valve core and the right valve core, which are close to one side of the movable cavity, are both of a circular truncated cone-shaped structure.
7. A hydraulic novel two-way lock as claimed in claim 6, characterized in that: the head of the left valve core is inserted into the left piston, the outer side surface of the left valve core is in seamless connection with the inner side surface of the left mounting groove, and the left valve core can move left and right; the head of the right valve core is inserted into the right piston, the outer side surface of the right valve core is in seamless connection with the inner side surface of the right mounting groove, and the right valve core can move left and right.
8. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: the central valve rod is made of stainless steel materials.
9. A hydraulic novel two-way lock as claimed in claim 1, characterized in that: the left check block is in threaded connection with the left mounting groove through a gasket, and the right check block is in threaded connection with the right mounting groove through a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597108.1U CN210509782U (en) | 2019-04-28 | 2019-04-28 | Novel hydraulic bidirectional lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597108.1U CN210509782U (en) | 2019-04-28 | 2019-04-28 | Novel hydraulic bidirectional lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509782U true CN210509782U (en) | 2020-05-12 |
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ID=70542250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920597108.1U Active CN210509782U (en) | 2019-04-28 | 2019-04-28 | Novel hydraulic bidirectional lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509782U (en) |
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2019
- 2019-04-28 CN CN201920597108.1U patent/CN210509782U/en active Active
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