CN214945364U - Easily-adjustable hydraulic control valve - Google Patents
Easily-adjustable hydraulic control valve Download PDFInfo
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- CN214945364U CN214945364U CN202121135412.8U CN202121135412U CN214945364U CN 214945364 U CN214945364 U CN 214945364U CN 202121135412 U CN202121135412 U CN 202121135412U CN 214945364 U CN214945364 U CN 214945364U
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- seat
- adjusting rod
- spring
- head
- control valve
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Abstract
The utility model discloses an easy-to-adjust hydraulic control valve, which comprises a valve seat, wherein the valve seat comprises a seat tail, a seat body and a seat head, an adjusting rod is inserted in the seat tail, the outer side of the adjusting rod is in threaded connection with a plug screw, the plug screw is in threaded connection with the left end of the seat tail, the left end of the adjusting rod is provided with a wrench groove, the left end of the adjusting rod is provided with a spring hole, a spring is arranged in the spring hole, the circumferential outer surface of the seat body is provided with connecting threads, the seat head is internally provided with a main runner, a pair of inlet channels are arranged on two sides of the main channel, a pair of overflow holes are arranged on the side wall at the right end of the seat body, a valve core is arranged in the seat body and the seat head in a sliding way, a conical section is arranged in the middle of the valve core, a space avoidance section is arranged on the right side of the conical section, the left side joint of conic section has the spring holder, the right-hand member of spring is contradicted and is connected on the spring holder. The utility model discloses the structure is succinct, easily adjusts, and the leakproofness is good.
Description
Technical Field
The utility model relates to a hydrovalve technical field specifically is an easily regulated type hydraulic control valve.
Background
The hydraulic control valves are classified into three types, i.e., pressure control valves, directional control valves, and flow control valves, according to their purposes. The three control valves can be combined into a combined valve, so that the combined valve is simple in connection, compact in structure and high in efficiency. A hydraulic control valve refers to a component in a hydraulic transmission system or hydraulic control system that is used to control the pressure, flow and direction of a fluid.
The hydraulic control valve, called hydraulic valve for short, has the function in a hydraulic system of controlling and adjusting the flow direction, pressure and flow of oil in the hydraulic system, so that an actuator and a working mechanism driven by the actuator obtain required movement direction, thrust torque, movement speed, rotation speed and the like.
However, at present, parameters of the existing hydraulic control valve are mostly fixed values, and the parameters are difficult to be manually adjusted in actual work. Therefore, there is a need for a new type of hydraulic control valve that is easily adjustable to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easily adjustable type hydraulic control valve 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 easy-to-adjust hydraulic control valve comprises a valve seat, wherein the valve seat comprises a seat tail, a seat body and a seat head, an adjusting rod is inserted in the seat tail, the outer side of the adjusting rod is in threaded connection with a plug screw, the plug screw is in threaded connection with the left end of the seat tail, the left end of the adjusting rod is provided with a wrench groove, the left end of the adjusting rod is provided with a spring hole, a spring is arranged in the spring hole, the circumferential outer surface of the seat body is provided with connecting threads, the seat head is internally provided with a main runner, a pair of inlet channels are arranged on two sides of the main channel, a pair of overflow holes are arranged on the side wall at the right end of the seat body, a valve core is arranged in the seat body and the seat head in a sliding way, a conical section is arranged in the middle of the valve core, a space avoidance section is arranged on the right side of the conical section, the left side joint of conic section has the spring holder, the right-hand member of spring is contradicted and is connected on the spring holder.
Preferably, the circumferential outer wall of the adjusting rod is in threaded connection with a locking nut.
Preferably, a seat head sealing ring is arranged on the circumferential outer wall of the middle part of the seat head.
Preferably, a seat body sealing ring is arranged on the circumferential outer wall of the left end of the seat body.
Preferably, a rod head sealing ring is arranged on the circumferential outer wall at the right end of the adjusting rod.
Preferably, the circumference outer wall of seat head is provided with the tapering, the external diameter of seat head left end is greater than the external diameter of right-hand member.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can control the elasticity of the spring by moving the position of the adjusting rod, thereby resetting the overflow pressure value and realizing the adjustment of the control valve; the wrench groove is matched with an inner hexagonal wrench to screw the adjusting rod, so that the position of the adjusting rod can be controlled to move. The lock nut is used for locking the adjusting rod. The taper of the outer wall of the seat head is arranged, so that the control valve is installed in a way that the seat head is connected more tightly. The utility model discloses the structure is succinct, easily adjusts, and the leakproofness is good.
Drawings
FIG. 1 is a schematic diagram of an easy-to-adjust hydraulic control valve;
fig. 2 is a partially enlarged view of fig. 1 at K.
In the figure: 1-seat tail, 2-seat body, 3-seat head, 4-inlet channel, 5-overflow hole, 6-seat head sealing ring, 7-seat body sealing ring, 8-valve core, 9-conical section, 10-evacuation section, 11-spring seat, 12-spring, 13-adjusting rod, 14-screw plug, 15-locking nut, 16-spring hole, 17-rod head sealing ring, 18-wrench groove, 19-valve seat and 20-main channel.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
an easily adjustable hydraulic control valve comprises a valve seat 19, wherein the valve seat 19 comprises a seat tail 1, a seat body 2 and a seat head 3, an adjusting rod 13 is inserted into the seat tail 1, a screw plug 14 is in threaded connection with the outer side of the adjusting rod 13, the screw plug 14 is in threaded connection with the left end of the seat tail 1, a wrench groove 18 is arranged at the left end of the adjusting rod 13, a spring hole 16 is arranged at the left end of the adjusting rod 13, a spring 12 is arranged in the spring hole 16, a connecting thread 2 is arranged on the circumferential outer surface of the seat body 2, a main flow passage 20 is arranged in the seat head 3, a pair of inlet flow passages 4 are arranged on two sides of the main flow passage 20, a pair of overflow holes 5 are arranged on the side wall of the right end of the seat body 2, a valve core 8 is arranged in the seat body 2 and the seat head 3 in a sliding manner, a conical section 9 is arranged in the middle of the valve core 8, and an evacuation section 10 is arranged on the right side of the conical section 9, the left side joint of conic section 9 has spring holder 11, the right-hand member of spring 12 is contradicted and is connected on spring holder 11.
During assembly, the valve seat 19 is installed in a pipeline of a hydraulic system, hydraulic oil enters the main flow passage 20 through the inlet flow passage 4, when the pressure in the pipeline does not exceed a set value, the conical section 9 of the valve core 8 blocks the left port of the main flow passage 20 under the action of the spring 12, when the pressure in the pipeline exceeds the set value, the left port of the main flow passage 20 is opened, and the hydraulic oil flows out through the overflow hole 5; when in use, the position of the adjusting rod 13 is moved, so that the elastic force of the spring 12 can be controlled, the overflow pressure value is reset, and the control valve can be adjusted; the wrench groove 18 is matched with an inner hexagonal wrench to screw the adjusting rod 13, so that the position of the adjusting rod 13 can be controlled to move.
Preferably, a locking nut 15 is threadedly coupled to an outer circumferential wall of the adjustment lever 13.
The lock nut 15 is used to lock the adjusting lever 13.
Preferably, a seat head sealing ring 6 is arranged on the circumferential outer wall of the middle part of the seat head 3.
The seat head sealing ring 6 ensures the seat head sealing performance.
Preferably, a seat body sealing ring 7 is arranged on the circumferential outer wall of the left end of the seat body 2.
The seat body sealing ring 7 ensures the seat body sealing performance.
Preferably, a head sealing ring 17 is arranged on the circumferential outer wall of the right end of the adjusting rod 13.
The sealing ring 17 of the rod head ensures the sealing performance of the right end of the adjusting rod 13.
Preferably, the circumferential outer wall of the seat head 3 is provided with a taper, and the outer diameter of the left end of the seat head 3 is larger than that of the right end.
The taper of the outer wall of the seat head 3 is arranged, so that the control valve is installed in a way that the seat head 3 is connected more tightly.
The utility model discloses a theory of operation is: during assembly, the valve seat 19 is installed in a pipeline of a hydraulic system, hydraulic oil enters the main flow passage 20 through the inlet flow passage 4, when the pressure in the pipeline does not exceed a set value, the conical section 9 of the valve core 8 blocks the left port of the main flow passage 20 under the action of the spring 12, when the pressure in the pipeline exceeds the set value, the left port of the main flow passage 20 is opened, and the hydraulic oil flows out through the overflow hole 5; when in use, the position of the adjusting rod 13 is moved, so that the elastic force of the spring 12 can be controlled, the overflow pressure value is reset, and the control valve can be adjusted; the wrench groove 18 is matched with an inner hexagonal wrench to screw the adjusting rod 13, so that the position of the adjusting rod 13 can be controlled to move. The lock nut 15 is used to lock the adjusting lever 13. The seat head sealing ring 6 ensures the seat head sealing performance. The seat body sealing ring 7 ensures the seat body sealing performance. The sealing ring 17 of the rod head ensures the sealing performance of the right end of the adjusting rod 13. The taper of the outer wall of the seat head 3 is arranged, so that the control valve is installed in a way that the seat head 3 is connected more tightly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An easily adjustable hydraulic control valve comprising a valve seat (19), characterized in that: the valve seat (19) comprises a seat tail (1), a seat body (2) and a seat head (3), an adjusting rod (13) is inserted into the seat tail (1), the outer side of the adjusting rod (13) is in threaded connection with a screw plug (14), the screw plug (14) is in threaded connection with the left end of the seat tail (1), a wrench groove (18) is arranged at the left end of the adjusting rod (13), a spring hole (16) is arranged at the left end of the adjusting rod (13), a spring (12) is arranged in the spring hole (16), connecting threads are arranged on the circumferential outer surface of the seat body (2), a main runner (20) is arranged in the seat head (3), a pair of flow inlet channels (4) are arranged on two sides of the main runner (20), a pair of overflow holes (5) are arranged on the side wall of the right end of the seat body (2), and a valve core (8) is arranged in the seat body (2) and the seat head (3) in a sliding manner, the valve core (8) middle part is provided with conic section (9), the right side of conic section (9) is provided with and keeps away sky section (10), the left side joint of conic section (9) has spring holder (11), the right-hand member of spring (12) is contradicted and is connected on spring holder (11).
2. An easily adjustable hydraulic control valve according to claim 1, characterized in that: and the circumferential outer wall of the adjusting rod (13) is in threaded connection with a locking nut (15).
3. An easily adjustable hydraulic control valve according to claim 2, characterized in that: a seat head sealing ring (6) is arranged on the circumferential outer wall of the middle part of the seat head (3).
4. An easily adjustable hydraulic control valve according to claim 3, characterized in that: a seat body sealing ring (7) is arranged on the circumferential outer wall of the left end of the seat body (2).
5. An easily adjustable hydraulic control valve according to claim 4, characterized in that: and a rod head sealing ring (17) is arranged on the circumferential outer wall at the right end of the adjusting rod (13).
6. An easily adjustable hydraulic control valve according to claim 5, characterized in that: the circumference outer wall of seat head (3) is provided with the tapering, the external diameter of seat head (3) left end is greater than the external diameter of right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121135412.8U CN214945364U (en) | 2021-05-25 | 2021-05-25 | Easily-adjustable hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121135412.8U CN214945364U (en) | 2021-05-25 | 2021-05-25 | Easily-adjustable hydraulic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945364U true CN214945364U (en) | 2021-11-30 |
Family
ID=79059452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121135412.8U Active CN214945364U (en) | 2021-05-25 | 2021-05-25 | Easily-adjustable hydraulic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945364U (en) |
-
2021
- 2021-05-25 CN CN202121135412.8U patent/CN214945364U/en active Active
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