CN220319981U - Liquid return circuit breaker valve - Google Patents
Liquid return circuit breaker valve Download PDFInfo
- Publication number
- CN220319981U CN220319981U CN202322001302.8U CN202322001302U CN220319981U CN 220319981 U CN220319981 U CN 220319981U CN 202322001302 U CN202322001302 U CN 202322001302U CN 220319981 U CN220319981 U CN 220319981U
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- CN
- China
- Prior art keywords
- circuit breaker
- valve
- joint
- spring
- breaker valve
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- 239000007788 liquid Substances 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 35
- 210000001503 joint Anatomy 0.000 claims description 20
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model relates to a liquid return circuit breaker valve. The utility model aims to solve the technical problem of providing a liquid return circuit breaker valve with high safety. The technical scheme includes that the circuit breaker valve comprises a circuit breaker valve housing, a circuit breaker connector, a circuit breaker valve pad, a circuit breaker valve rod, a circuit breaker spring, a circuit breaker valve sleeve, a circuit breaker spring seat and a circuit breaker clamp spring, wherein the circuit breaker valve sleeve is arranged between the circuit breaker spring seat and the circuit breaker valve pad, the circuit breaker valve housing comprises a valve housing main body part and a valve housing abutting part, an abutting part positioning groove is formed in the valve housing abutting part, an upper limiting groove of the clamp spring is formed in the side wall of the abutting part positioning groove, and a clamp spring adjusting port is formed in the upper limiting groove of the clamp spring. The utility model has the advantages that: adopt threaded connection to add the dual locking structure of jump ring joint between circuit breaker valve casing and the circuit breaker valve joint, effectively prevent because long-term use and pressure are too big to lead to circuit breaker valve joint and circuit breaker valve casing to be connected not hard up, the security obtains improving.
Description
Technical Field
The utility model relates to a liquid return circuit breaker valve.
Background
The liquid return circuit breaker valve is mainly used in a main loop of a hydraulic support, so that the liquid return circuit has certain back pressure to enhance the action stability of the whole system, meanwhile, the oil return systems between the temporary supports can be independent of each other and are not influenced, and the liquid return circuit breaker valve used at present has the defects of poor sealing performance, mechanical performance, impact resistance, high pressure loss and the like due to the fact that the structure is mainly a traditional rubber sealing or engineering plastic sealing and other plane sealing structure. The existing liquid return circuit breaker valve comprises a circuit breaker valve shell and a circuit breaker connector, the common circuit breaker valve shell and the circuit breaker connector are often connected in a threaded mode, and the problems of unstable product connection, leakage and the like, influence the service life of a product and therefore need to be improved due to the fact that the product connection is unstable when the feedback is used for a long time or is subjected to large pressure.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide the liquid return circuit breaker with high safety.
The technical scheme includes that the liquid return circuit breaker comprises a circuit breaker valve shell, a circuit breaker connector, a circuit breaker valve pad arranged in the circuit breaker valve shell, a circuit breaker valve rod and a circuit breaker spring sleeved on the circuit breaker valve rod, and is characterized by further comprising a circuit breaker valve sleeve, a circuit breaker valve spring seat and a circuit breaker clamp spring arranged on the circuit breaker connector, wherein the circuit breaker valve sleeve is arranged between the circuit breaker spring seat and the circuit breaker valve pad, the circuit breaker valve shell comprises a valve shell main body part and a valve shell butt joint part, a butt joint part positioning groove is arranged in the valve shell butt joint part, a clamp spring upper limiting groove is arranged on the side wall of the butt joint part positioning groove, a clamp spring adjusting port is arranged on the clamp spring upper limiting groove, the inner wall of the valve shell main body part is provided with a joint butt joint part, a joint mounting part and a joint clamping part which are sequentially arranged in a step shape, the joint mounting part is provided with a joint external thread corresponding to the circuit breaker clamp spring, the joint clamping part is provided with a clamp spring adjusting port corresponding to the position of the clamp spring inlet corresponding to the clamp spring opening.
The joint clamping part is provided with a joint blocking part for positioning the valve shell abutting part.
The breaking valve rod comprises a rod body and a rod head, the rod head is of a semicircular arc structure, a valve pad butt-joint inclined surface corresponding to the rod head is arranged on the breaking valve pad, and the rod head and the valve pad butt-joint inclined surface form a sealing pair.
The circuit breaker spring seat is provided with a spring seat boss sleeved with the circuit breaker spring, a spring seat guide hole used for limiting the action of the valve rod body is arranged in the spring seat boss, one end of the circuit breaker spring abuts against the valve rod head, and the other end of the circuit breaker spring abuts against the circuit breaker spring seat.
The valve rod body is provided with a valve rod first positioning groove corresponding to the spring seat boss.
The width of the clamp spring inserting groove is smaller than that of the upper limit groove of the clamp spring.
The snap spring adjusting opening is of a square structure.
The end face of the joint butt joint part is provided with a first sealing ring mounting groove, a first sealing ring is arranged in the first sealing ring mounting groove, a second sealing ring is arranged on the valve pad of the circuit breaker valve, and a second sealing ring is arranged in the second sealing ring mounting groove.
The first sealing ring and the second sealing ring are made of nitrile rubber.
The liquid return circuit breaker has the advantages that: the double locking structure of threaded connection and snap spring clamping connection is adopted between the breaking valve housing and the breaking valve connector, so that loosening of the connection between the breaking valve connector and the breaking valve housing caused by long-term use and overlarge pressure is effectively prevented, and the safety is improved; the clamp spring can be adjusted, is flexible to use and is convenient to install and detach; the spring action is stable and reliable, the sealing waterproof performance is high, and the service life of the product is long.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a half cross-sectional view of a circuit breaker valve of the present utility model;
fig. 2 is a schematic structural view of a valve housing of the trip valve of the present utility model;
FIG. 3 is a schematic view of the structure of the circuit breaker connector of the present utility model;
FIG. 4 is a schematic diagram of the snap spring of the circuit breaker of the present utility model;
FIG. 5 is a half cross-sectional view of the valve stem of the trip valve of the present utility model;
FIG. 6 is a half cross-sectional view of a valve pad of the present utility model;
fig. 7 is a half cross-sectional view of a trip valve spring seat of the present utility model.
Detailed Description
As shown in fig. 1-7, the liquid return trip valve of the present utility model comprises a trip valve casing 6, a trip valve joint 1, a trip valve pad 2 arranged in the trip valve casing 6, a trip valve rod 3, a trip valve spring 7 sleeved on the trip valve rod 3, a trip valve sleeve 4, a trip valve spring seat 5, and a trip valve snap spring 10 arranged on the trip valve joint 1, wherein the trip valve sleeve 4 is arranged between the trip valve spring seat 5 and the trip valve pad 2, the trip valve casing 6 comprises a valve casing main body part 12 and a valve casing butt joint part 13, a butt joint part positioning groove 14 is arranged in the valve casing butt joint part 13, a snap spring upper limiting groove 16 is arranged on the side wall of the butt joint part positioning groove 14, a snap spring adjusting port 17 is arranged on the snap spring upper limiting groove 16, a valve casing internal thread 15 is arranged on the inner wall of the valve casing main body part 12 near the butt joint part positioning groove 14, the circuit breaker connector 1 comprises a connector butt joint part 20, a connector mounting part 21 and a connector clamping part 22 which are sequentially arranged in a step shape, wherein the connector mounting part 21 is provided with a connector external thread 24 corresponding to the valve casing internal thread 15, the connector clamping part 22 is provided with a clamp spring imbedding groove 25 for mounting the circuit breaker clamp spring 10, the clamp spring imbedding groove 25 corresponds to the clamp spring upper limit groove 16, the circuit breaker clamp spring 10 is provided with a clamp spring adjusting opening 26 corresponding to the clamp spring adjusting opening 17, and a double locking structure of threaded connection and clamp spring clamping is adopted between the circuit breaker valve casing and the circuit breaker connector, so that the loose connection between the circuit breaker connector and the circuit breaker valve casing caused by long-term use and overlarge pressure is effectively prevented, and the safety is improved; the clamp spring can be adjusted, is flexible to use and is convenient to install and detach.
The joint clamping part 22 is provided with a joint blocking part 28 for positioning the valve housing abutting part 13, so that the positioning is accurate, and the connection is firm and tight.
The breaking valve rod 3 comprises a rod body 30 and a rod head 31, the rod head 31 is of a semicircular arc structure, a valve pad butt inclined surface 33 corresponding to the rod head 31 is arranged on the breaking valve pad 2, the valve rod head 31 and the valve pad butt-joint inclined surface 33 form a sealing pair, the sealing performance is high, the valve pad butt-joint inclined surface 33 can effectively prevent the excessive abrasion of the valve pad 2 of the circuit breaker, and the service life of the valve pad 2 of the circuit breaker is prolonged.
The circuit breaker spring seat 5 is provided with a spring seat boss 36 used for sleeving the circuit breaker spring 7, a spring seat guide hole 37 used for limiting the action of the valve rod body 30 is arranged in the spring seat boss 36, one end of the circuit breaker spring 7 is propped against the valve rod head 31, the other end of the circuit breaker spring 7 is propped against the circuit breaker spring seat 5, and the circuit breaker spring 7 is stable and reliable in action.
The valve rod body 30 is provided with a valve rod first positioning groove 38 corresponding to the spring seat boss 36, so that excessive damage to the spring caused by impact of high force is prevented, and a safety platform is realized.
The width of the snap spring imbedding groove 25 is smaller than that of the snap spring upper limit groove 16, so that the snap spring 10 of the circuit breaker is convenient to install and clamp.
The snap spring adjusting opening 26 is of a square structure, and is convenient for adjusting the snap spring 10 of the circuit breaker.
The end face of the joint butt joint part 20 is provided with a first sealing ring mounting groove 40, a first sealing ring 9 is arranged in the first sealing ring mounting groove 40, a second sealing ring mounting groove 41 is arranged on the valve pad 2 of the circuit breaker, a second sealing ring 8 is arranged in the second sealing ring mounting groove 41, and the two-way sealing is realized, so that the sealing waterproof property of the joint of the valve housing of the circuit breaker and the valve joint is effectively ensured.
The first sealing ring 9 and the second sealing ring 8 are made of nitrile rubber.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The utility model provides a liquid circuit breaker returns, includes circuit breaker valve casing (6), circuit breaker joint (1), establishes circuit breaker valve pad (2), circuit breaker valve rod (3) in circuit breaker valve casing (6), cover are established circuit breaker spring (7) on circuit breaker valve rod (3), its characterized in that: the circuit breaker valve is characterized by further comprising a circuit breaker valve sleeve (4) and a circuit breaker valve seat (5), a circuit breaker clamp spring (10) arranged on the circuit breaker joint (1), wherein the circuit breaker valve sleeve (4) is arranged between the circuit breaker valve seat (5) and the circuit breaker valve pad (2), the circuit breaker valve housing (6) comprises a valve housing main body part (12) and a valve housing butt joint part (13), a butt joint part positioning groove (14) is arranged in the valve housing butt joint part (13), a clamp spring upper limit groove (16) is formed in the side wall of the butt joint part positioning groove (14), a clamp spring adjusting opening (17) is formed in the clamp spring upper limit groove (16), a valve housing inner wall of the valve housing main body part (12) is provided with a valve housing inner thread (15) close to the butt joint part positioning groove (14), the circuit breaker joint (1) comprises a joint butt joint part (20), a joint mounting part (21) and a joint part (22) which are sequentially arranged in a step shape, a joint outer thread (24) corresponding to the valve housing inner thread (15) is arranged on the joint mounting part (21), a clamp spring upper limit groove (25) is formed in the joint, the clamp spring upper limit groove (25) is arranged on the clamp valve main body part (12), and a clamp spring adjusting opening (26) corresponding to the clamp spring adjusting opening (17) is formed in the circuit breaker clamp spring (10).
2. The circuit breaker valve of claim 1 wherein: the joint clamping part (22) is provided with a joint blocking part (28) for positioning the valve shell abutting part (13).
3. The circuit breaker valve of claim 1 wherein: the breaking valve rod (3) comprises a rod body (30) and a rod head (31), the rod head (31) is of a semicircular arc structure, a valve pad butt-joint inclined surface (33) corresponding to the rod head (31) is arranged on the breaking valve pad (2), and the rod head (31) and the valve pad butt-joint inclined surface (33) form a sealing pair.
4. A liquid return shut off valve according to claim 3, wherein: the circuit breaker spring seat (5) is provided with a spring seat boss (36) used for sleeving the circuit breaker spring (7), a spring seat guide hole (37) used for limiting the action of the valve rod body (30) is arranged in the spring seat boss (36), and one end of the circuit breaker spring (7) abuts against the valve rod head (31) and the other end of the circuit breaker spring is abutted against the circuit breaker spring seat (5).
5. The circuit breaker valve of claim 4 wherein: a valve rod first positioning groove (38) corresponding to the spring seat boss (36) is formed in the valve rod body (30).
6. The circuit breaker valve of claim 1 wherein: the width of the clamp spring inserting groove (25) is smaller than that of the upper limit groove (16) of the clamp spring.
7. The circuit breaker valve of claim 1 wherein: the clamp spring adjusting opening (26) is of a square structure.
8. The circuit breaker valve of claim 1 wherein: the end face of the joint butt joint part (20) is provided with a first sealing ring mounting groove (40), a first sealing ring (9) is arranged in the first sealing ring mounting groove (40), a second sealing ring mounting groove (41) is arranged on the circuit breaker valve gasket (2), and a second sealing ring (8) is arranged in the second sealing ring mounting groove (41).
9. The circuit breaker valve of claim 8 wherein: the first sealing ring (9) and the second sealing ring (8) are made of nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322001302.8U CN220319981U (en) | 2023-07-28 | 2023-07-28 | Liquid return circuit breaker valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322001302.8U CN220319981U (en) | 2023-07-28 | 2023-07-28 | Liquid return circuit breaker valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319981U true CN220319981U (en) | 2024-01-09 |
Family
ID=89412779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322001302.8U Active CN220319981U (en) | 2023-07-28 | 2023-07-28 | Liquid return circuit breaker valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319981U (en) |
-
2023
- 2023-07-28 CN CN202322001302.8U patent/CN220319981U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |