CN211059104U - Oil pressure one-way sequence valve - Google Patents
Oil pressure one-way sequence valve Download PDFInfo
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- CN211059104U CN211059104U CN201922008988.7U CN201922008988U CN211059104U CN 211059104 U CN211059104 U CN 211059104U CN 201922008988 U CN201922008988 U CN 201922008988U CN 211059104 U CN211059104 U CN 211059104U
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Abstract
The utility model discloses an oil pressure one-way sequence valve, include: the valve body is provided with an oil inlet and an oil return port, and an accommodating cavity is arranged in the valve body; the plunger comprises a plunger body, a valve body and a pressure regulating plunger rod, wherein the plunger body is provided with a connecting section and an inserting section, the inserting section is inserted into the valve body, and the pressure regulating plunger rod is arranged in the plunger body; when oil flows from the oil inlet and the pressure of the oil inlet is greater than the set pressure of the pressure regulating spring, the piston moves upwards, and the oil enters the oil return port through the oil guide hole, the spring seat hole and the guide sleeve hole; when oil flows in from the oil return port and the pressure of the oil return port is greater than the pressure of the spring, the oil flows into the axial through hole through the hole formed in the guide sleeve and the radial through hole, the steel ball moves downwards, and the oil flows to the oil inlet through the oil guide hole. The utility model discloses a sequence valve is small, job sensitivity is high, stable performance, be fit for the dress and use under the narrow and small environment in space.
Description
Technical Field
The utility model relates to a sequence valve technical field specifically is an oil pressure one-way sequence valve.
Background
Sequence valves are commonly used in hydraulic circuits in the machine tool industry, winches and the like, and are used for controlling the action sequence of the oil cylinders. When the oil passes through in the positive direction, the one-way valve is closed, and the sequence valve works; when the oil reversely passes through, the oil freely passes through the one-way valve, and the sequence valve does not work. The prior one-way sequence valve has the following technical defects: the integration is not good, the occupied space is relatively large, the processing is complex, and the cost is high.
Disclosure of Invention
The utility model aims at solving the problem in the background art, and the one-way sequence valve of oil pressure that provides small, the job sensitivity is high, the stable performance.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an oil pressure one way priority valve comprising: the valve body is provided with an oil inlet and an oil return port, and an accommodating cavity is arranged in the valve body; the plunger comprises a plunger body, a valve body and a pressure regulating plunger rod, wherein the plunger body is provided with a connecting section and an inserting section, the inserting section is inserted into the valve body, and the pressure regulating plunger rod is arranged in the plunger body; the spring gland is provided with a pressure regulating screw rod and a fixing nut, the spring gland is fixedly connected with the connecting section and forms a closed cavity with the plunger body, and an upper spring guide cover fixedly connected with the pressure regulating screw rod, a lower spring guide cover abutted against the pressure regulating plunger rod and a pressure regulating spring arranged between the upper spring guide cover and the lower spring guide cover are arranged in the closed cavity; the guide sleeve seat is arranged in the accommodating cavity and is abutted against the insertion section, a guide sleeve cavity is formed in the guide sleeve seat, and a guide sleeve opening communicated with the oil return opening is formed in the guide sleeve seat; the piston is arranged in the guide sleeve cavity, is connected with the guide sleeve seat in a sliding way, and is provided with a radial through hole communicated with the guide sleeve opening and an axial through hole communicated with the radial through hole; the spring seat is arranged in the accommodating cavity and abutted against the piston, a spring cavity is formed between the spring seat and the piston, a spring and steel balls abutted against the spring and the axial through hole respectively are arranged in the spring cavity, and a spring seat hole communicated with the guide sleeve cavity and an oil guide hole communicated with the oil inlet are formed in the spring seat; when oil flows in from the oil inlet and the pressure of the oil inlet is greater than the set pressure of the pressure regulating spring, the piston moves upwards, and the oil enters the oil return port through the oil guide hole, the spring seat hole and the guide sleeve hole; when oil flows in from the oil return port and the pressure of the oil return port is greater than the pressure of the spring, the oil flows into the axial through hole through the hole formed in the guide sleeve and the radial through hole, the steel ball moves downwards, and the oil flows to the oil inlet through the oil guide hole.
Preferably, the guide sleeve seat has a step, and the guide sleeve seat is fixedly arranged on the valve body through a step section.
Preferably, a first filter screen is arranged at a position, close to the hole of the guide sleeve, in the accommodating cavity, and two ends of the first filter screen are respectively connected with the inserting section and the step section.
Preferably, a clamping ring is arranged in the oil guide hole, and a second filter screen is fixedly arranged on the clamping ring.
Preferably, a guide hole and an inclined hole communicated with the guide hole are formed in the piston.
Preferably, sealing rings are arranged between the plunger body and the valve body, between the plunger body and the guide sleeve seat, between the guide sleeve seat and the valve body, in the oil inlet and in the oil return port.
Preferably, the valve body is provided with a mounting hole.
The utility model has the advantages that:
when the oil pressure regulating device is used, the pressure regulating screw is used for screwing the pressure regulating spring downwards, so that the pressure regulating plunger rod has a certain back pressure value, when the oil pressure value exceeds the back pressure value of the pressure regulating plunger rod, the piston ascends, and the oil inlet is communicated with the oil outlet to achieve a sequential function; when oil returns, the steel balls are opened, and the oil flows to the oil inlet to achieve the function of one-way sequence. The utility model discloses a sequence valve is small, job sensitivity is high, stable performance, be fit for the dress and use under the narrow and small environment in space.
Drawings
Fig. 1 is a schematic structural view of the oil pressure one-way sequence valve of the present invention.
In the figure: 1. a valve body; 11. an oil inlet; 12. an accommodating cavity; 13. an oil return port; 14. mounting holes; 2. a plunger body; 21. a connecting section; 22. an insertion section; 23. a pressure regulating plunger rod; 3. a spring gland; 31. a pressure regulating screw; 32. fixing a nut; 33. a closed cavity; 34. a spring guide cover is arranged; 35. a lower spring guide cover; 36. a pressure regulating spring; 4. a guide sleeve seat; 41. a guide sleeve cavity; 42. a hole is formed in the guide sleeve; 43. a stage of stage; 44. a first filter screen; 5. a piston; 51. a radial through hole; 52. an axial through hole; 53. a guide hole; 54. an inclined hole; 6. a spring seat; 61. a spring seat bore; 62. a spring cavity; 63. a spring; 64. steel balls; 65. an oil guide hole; 66. a snap ring; 67. a second filter screen; 7. and (5) sealing rings.
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.
As shown in fig. 1, an oil pressure one-way sequence valve includes: the valve body 1 is provided with an oil inlet 11 and an oil return port 13, and an accommodating cavity 12 is arranged in the valve body; the plunger piston comprises a plunger piston body 2 and a valve body, wherein the plunger piston body 2 is provided with a connecting section 21 and an inserting section 22, the inserting section 22 is inserted into the valve body 1, and a pressure regulating plunger piston rod 23 is arranged in the plunger piston body 2; the spring gland 3 is provided with a pressure regulating screw rod 31 and a fixing nut 32, the spring gland 3 is fixedly connected with the connecting section 21 and forms a closed cavity 33 with the plunger body 2, and an upper spring guide cover 34 fixedly connected with the pressure regulating screw rod 31, a lower spring guide cover 35 abutted against the pressure regulating plunger rod 23 and a pressure regulating spring 36 arranged between the upper spring guide cover 34 and the lower spring guide cover 35 are arranged in the closed cavity 33; the guide sleeve seat 4 is arranged in the accommodating cavity 12 and is abutted against the insertion section 22, a guide sleeve cavity 41 is arranged inside the guide sleeve seat 4, and a guide sleeve opening 42 communicated with the oil return opening 13 is arranged on the guide sleeve seat 4; the piston 5 is arranged in the guide sleeve cavity 41, is connected with the guide sleeve seat 4 in a sliding way, and is provided with a radial through hole 51 communicated with the guide sleeve opening 42 and an axial through hole 52 communicated with the radial through hole 51; the spring seat 6 is arranged in the accommodating cavity 12 and is abutted against the piston 5, a spring cavity 62 is formed between the spring seat 6 and the piston 5, a spring 63 and a steel ball 64 abutted against the spring 63 and the axial through hole 52 are arranged in the spring cavity 62, and a spring seat hole 61 communicated with the guide sleeve cavity 41 and an oil guide hole 65 communicated with the oil inlet 11 are formed in the spring seat 6; when oil flows in from the oil inlet 11 and the pressure of the oil inlet 11 is greater than the set pressure of the pressure regulating spring 36, the piston 5 moves upwards, and the oil enters the oil return port 13 through the oil guide hole 65, the spring seat hole 61 and the guide sleeve opening hole 42; when oil flows in from the oil return port 13 and the pressure of the oil return port 13 is greater than the pressure of the spring 63, the oil flows into the axial through hole 52 through the guide sleeve opening 42 and the radial through hole 51, the steel ball 64 moves downward, and the oil flows to the oil inlet 11 through the oil guide hole 65.
By adopting the technical scheme, when the oil pressure regulating device is used, the pressure regulating screw 31 is used for screwing the pressure regulating spring 36 downwards, so that the pressure regulating plunger rod 23 has a certain back pressure value, when the oil pressure value exceeds the back pressure value of the pressure regulating plunger rod 23, the piston 5 moves upwards, and the oil inlet 11 is communicated with the oil return port 13 to achieve a sequential function; when oil returns, the steel ball 64 is opened, and the oil flows to the oil inlet 11 to achieve a one-way sequence function. The utility model discloses a sequence valve is small, job sensitivity is high, stable performance, be fit for the dress and use under the narrow and small environment in space.
As a modified embodiment, the guide sleeve seat 4 has a step 43, and the guide sleeve seat 4 is fixed to the valve body 1 through the step 43.
Through adopting above-mentioned technical scheme, the setting of step section 43 can make guide sleeve seat 4 and valve body 1 have better connection steadiness.
As a modified embodiment, a first filter 44 is disposed in the accommodating chamber 12 near the guide sleeve opening 42, and two ends of the first filter 44 are respectively connected to the insertion section 22 and the step section 43.
Through adopting above-mentioned technical scheme, the setting of first filter screen 44 can carry out fine filtration with the fluid through guide pin bushing trompil 42, and makes fluid flow more even.
As a modified embodiment, a snap ring 66 is arranged in the oil guide hole 65, and a second filter screen 67 is fixedly arranged on the snap ring 66.
Through adopting above-mentioned technical scheme, the setting of second filter screen 67 can carry out fine filtration with the fluid through leading oilhole 65, also makes fluid flow more even.
As a modified embodiment, a guide hole 53 and an inclined hole 54 communicating with the guide hole 53 are formed in the piston 5.
By adopting the technical scheme, the arrangement of the guide hole 53 and the inclined hole 54 can ensure that oil liquid above the piston 5 in the guide sleeve cavity 41 flows out through the guide hole 53 and the inclined hole 54, and the piston 5 has a certain stroke.
As an improved specific embodiment, the sealing rings 7 are respectively arranged between the plunger body 2 and the valve body 1, between the plunger body 2 and the guide sleeve seat 4, between the guide sleeve seat 4 and the valve body 1, in the oil inlet 11 and in the oil return port 13.
Through adopting above-mentioned technical scheme, the setting of sealing washer 7 can make the connection between each part have better leakproofness.
As a modified embodiment, the valve body 1 is provided with a mounting hole 14.
Through adopting above-mentioned technical scheme, the setting of mounting hole 14 is convenient for to the installation and the dismantlement of valve body 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An oil pressure one way priority valve comprising:
the valve body (1) is provided with an oil inlet (11) and an oil return opening (13), and an accommodating cavity (12) is arranged in the valve body;
the plunger piston comprises a plunger piston body (2) and a valve body (2), wherein the plunger piston body is provided with a connecting section (21) and an inserting section (22), the inserting section (22) is inserted into the valve body (1), and a pressure regulating plunger piston rod (23) is arranged in the plunger piston body (2);
the plunger piston comprises a spring gland (3), wherein a pressure regulating screw rod (31) and a fixing nut (32) are arranged on the spring gland (3), the spring gland (3) is fixedly connected with a connecting section (21) and forms a closed cavity (33) between plunger bodies (2), an upper spring guide cover (34) fixedly connected with the pressure regulating screw rod (31), a lower spring guide cover (35) abutted against a pressure regulating plunger rod (23) and a pressure regulating spring (36) arranged between the upper spring guide cover (34) and the lower spring guide cover (35) are arranged in the closed cavity (33);
the guide sleeve seat (4) is arranged in the accommodating cavity (12) and is abutted against the insertion section (22), a guide sleeve cavity (41) is formed inside the guide sleeve seat (4), and a guide sleeve opening (42) communicated with the oil return opening (13) is formed in the guide sleeve seat (4);
the piston (5) is arranged in the guide sleeve cavity (41), is connected with the guide sleeve seat (4) in a sliding way, and is provided with a radial through hole (51) communicated with the guide sleeve opening hole (42) and an axial through hole (52) communicated with the radial through hole (51);
the spring seat (6) is arranged in the accommodating cavity (12) and abutted against the piston (5), a spring cavity (62) is formed between the spring seat (6) and the piston (5), a spring (63) and a steel ball (64) abutted against the spring (63) and the axial through hole (52) are arranged in the spring cavity (62), and a spring seat hole (61) communicated with the guide sleeve cavity (41) and an oil guide hole (65) communicated with the oil inlet (11) are formed in the spring seat (6);
when oil flows in from the oil inlet (11) and the pressure of the oil inlet (11) is greater than the set pressure of the pressure regulating spring (36), the piston (5) moves upwards, and the oil enters the oil return port (13) through the oil guide hole (65), the spring seat hole (61) and the guide sleeve opening hole (42);
when oil flows in from the oil return port (13) and the pressure of the oil return port (13) is greater than the pressure of the spring (63), the oil flows into the axial through hole (52) through the guide sleeve opening hole (42) and the radial through hole (51), the steel ball (64) moves downwards, and the oil flows to the oil inlet (11) through the oil guide hole (65).
2. An oil pressure one way priority valve according to claim 1 characterised in that the guide sleeve seat (4) has a land stage (43), the guide sleeve seat (4) being secured to the valve body (1) by the land stage (43).
3. An oil pressure one-way sequence valve according to claim 2, characterized in that a first filter (44) is arranged in the housing chamber (12) close to the guide sleeve opening (42), and both ends of the first filter (44) are respectively connected with the insert section (22) and the stage (43).
4. An oil pressure one-way sequence valve according to claim 1, 2 or 3, characterized in that a clamping ring (66) is arranged in the oil guide hole (65), and a second filter screen (67) is fixedly arranged on the clamping ring (66).
5. An oil pressure one-way sequence valve according to claim 4, characterized in that a pilot hole (53) and a slant hole (54) communicating with the pilot hole (53) are formed in the piston (5).
6. The oil pressure one-way sequence valve according to claim 5, characterized in that sealing rings (7) are arranged between the plunger body (2) and the valve body (1), between the plunger body (2) and the guide sleeve seat (4), between the guide sleeve seat (4) and the valve body (1), in the oil inlet (11) and in the oil return port (13).
7. An oil pressure one way priority valve according to claim 6 characterised in that the valve body (1) is provided with mounting holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008988.7U CN211059104U (en) | 2019-11-19 | 2019-11-19 | Oil pressure one-way sequence valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922008988.7U CN211059104U (en) | 2019-11-19 | 2019-11-19 | Oil pressure one-way sequence valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059104U true CN211059104U (en) | 2020-07-21 |
Family
ID=71591885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922008988.7U Active CN211059104U (en) | 2019-11-19 | 2019-11-19 | Oil pressure one-way sequence valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964900A (en) * | 2020-08-25 | 2020-11-20 | 浙江斯特隆科技有限公司 | Multi-channel pressure setting test bench |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
-
2019
- 2019-11-19 CN CN201922008988.7U patent/CN211059104U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964900A (en) * | 2020-08-25 | 2020-11-20 | 浙江斯特隆科技有限公司 | Multi-channel pressure setting test bench |
| CN111964900B (en) * | 2020-08-25 | 2023-11-24 | 浙江斯特隆科技有限公司 | Multipath pressure setting test bench |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
| CN114576229B (en) * | 2022-03-01 | 2023-01-20 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210204 Address after: 523000 Room 101, building 2, 292 Huaide Road, Humen Town, Dongguan City, Guangdong Province Patentee after: Hezunsheng (Dongguan) Intelligent Technology Co.,Ltd. Address before: 523900 Room 102, building 1, 27 Shenxi Road, Houjie Town, Dongguan City, Guangdong Province Patentee before: Dongguan zisida Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |