CN215058545U - Integral plug-in mounting type overflow valve - Google Patents
Integral plug-in mounting type overflow valve Download PDFInfo
- Publication number
- CN215058545U CN215058545U CN202120886910.XU CN202120886910U CN215058545U CN 215058545 U CN215058545 U CN 215058545U CN 202120886910 U CN202120886910 U CN 202120886910U CN 215058545 U CN215058545 U CN 215058545U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve sleeve
- plug
- adjusting plug
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an integral cartridge overflow valve, the valve sleeve is integral, the interior of the valve sleeve is provided with an oil inlet cavity, a valve core, a spring, an adjusting plug and a snap spring from right to left in sequence, the contact surface of the valve core and the valve sleeve is a conical surface, the spring sleeve is arranged on a round platform at the left end of the valve core, the left end of the spring is contacted with the adjusting plug, the adjusting plug is in threaded connection with the inner thread of the valve sleeve through an external thread, the adjusting plug is sealed with the inner wall of the valve sleeve through a first O-shaped ring, the left end of the adjusting plug is connected with the valve sleeve through the snap spring, a retainer ring and a second O-shaped ring are arranged at the position of the valve sleeve outside, which is close to the oil inlet cavity, the valve sleeve outside at the conical surface turning position of the valve core at the left side of the second O-shaped ring is circumferentially provided with a plurality of oil outlets, the valve sleeve outside at the position of the spring and the adjusting plug is circumferentially provided with a valve mounting thread, the left side of the valve mounting thread is provided with a third O-shaped ring, the utility model has compact structure, the pressure regulating valve has the advantages of small volume, simple and convenient installation, large pressure regulating range, small leakage amount, high pressure resistance and wide application prospect.
Description
Technical Field
The utility model relates to an overflow valve technical field especially relates to a whole cartridge formula overflow valve.
Background
The overflow valve is a hydraulic pressure control valve, and mainly plays the roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment. However, most of the existing cartridge overflow valves are externally-arranged valve cores and internally-arranged springs, so that the valves are large in appearance volume, complex in structure, inconvenient to install, high in precision required for the jacks and increased in processing difficulty; meanwhile, most overflow valves have limited valve core pressure regulating range and large valve leakage amount due to the reason of mechanism design. Therefore, it is urgently needed to develop a novel integrally-inserted overflow valve to solve the technical problems.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a whole cartridge formula overflow valve, compact structure, it is small, the installation is simple and convenient, and the pressure regulating range is big, and it is little to let out leakage quantity, can be high pressure resistant, has wide application prospect, is favorable to popularizing and applying.
In order to achieve the above object, the utility model provides an integral cartridge overflow valve, which comprises a valve sleeve, wherein the valve sleeve is integral, the interior of the valve sleeve is provided with an oil inlet chamber, a valve core, a spring, an adjusting plug and a clamp spring from right to left in sequence, the contact surface of the valve core and the valve sleeve is a conical surface, the spring is sleeved on a round platform at the left end of the valve core, the left end of the spring is contacted with the adjusting plug, the adjusting plug is in threaded connection with an internal thread at the inner side of the valve sleeve through an external thread, the adjusting plug is sealed with the inner wall of the valve sleeve through a first O-shaped ring, the left end of the adjusting plug is connected with the valve sleeve through the clamp spring, a check ring and a second O-shaped ring are arranged at the position, close to the oil inlet chamber, close to the outer part of the valve sleeve at the turning position of the conical surface of the valve core at the left side of the second O-shaped ring, a plurality of oil outlets are arranged in the circumferential direction at the outer part of the valve sleeve, a valve mounting thread is arranged at the outer part of the spring and the adjusting plug in the circumferential direction, through valve installation screw thread direct assembly is in corresponding jack, the left side of valve installation screw thread is equipped with third O type circle, second O type circle and third O type circle are used for realizing the sealed of valve barrel and jack, the retaining ring is used for protecting second O type circle and avoids high pressure to strike.
Preferably, the pressure regulating range of the regulating plug is 0-35 MPa.
Preferably, four locking notches are symmetrically arranged on the circumference of the top end of the left side of the valve sleeve.
Preferably, the outer end face of the adjusting plug is provided with a hexagonal screw hole, and the adjusting plug is adjusted by adopting an inner hexagonal wrench.
Preferably, the first O-ring is sleeved on the left side of the external thread of the adjusting plug and is close to the outer end face of the adjusting plug.
The utility model provides a pair of whole cartridge formula overflow valve has following beneficial effect.
1. The utility model discloses compact structure, it is small, the installation is simple and convenient, and the pressure regulating range is big, and it is little to let out leakage quantity, can be high pressure resistant, has wide application prospect, is favorable to popularizing and applying.
2. The valve sleeve of the utility model is integral, the structure is compact, the volume is small, and the jack is simple; the valve core is contacted with the valve sleeve through the conical surface, so that the leakage amount is small; the adjusting range of the adjusting plug is large, so that the pressure adjusting range is large; the valve sleeve is high in hardness, and a check ring is arranged at one end of the oil inlet cavity and can resist high-pressure impact.
Drawings
Fig. 1 is a schematic structural diagram of an overall plug-in overflow valve provided by the present invention;
fig. 2 is a central sectional view of an integrally inserted overflow valve provided by the present invention;
fig. 3 is an exploded view of the overall plug-in overflow valve provided by the present invention.
In the figure:
1. the valve sleeve 2, the retainer ring 3, the second O-shaped ring 4, the valve core 5, the spring 6, the adjusting plug 7, the first O-shaped ring 8, the snap spring 9, the third O-shaped ring 10, the oil outlet 11, the oil inlet cavity 12, the valve mounting thread 13 and the locking notch.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.
As shown in fig. 1-3, they are respectively a schematic structural diagram, a central sectional view and an exploded view of an overall plug-in type overflow valve provided by the present invention. The integral plug-in overflow valve comprises a valve sleeve 1, wherein the valve sleeve 1 is integral, an oil inlet cavity 11, a valve core 4, a spring 5, an adjusting plug 6 and a clamp spring 8 are sequentially arranged in the valve sleeve 1 from right to left, a contact surface between the valve core 4 and the valve sleeve 1 is a conical surface, the spring 5 is sleeved on a round table at the left end of the valve core 4, the left end of the spring 5 is in contact with the adjusting plug 6, the adjusting plug 6 is in threaded connection with internal threads inside the valve sleeve 1 through external threads, the adjusting plug 6 is sealed with the inner wall of the valve sleeve 1 through a first O-shaped ring 7, the left end of the adjusting plug 6 is connected with the valve sleeve 1 through the clamp spring 8, a check ring 2 and a second O-shaped ring 3 are sequentially arranged at the position, close to the oil inlet cavity 11, outside the valve sleeve 1 at the conical surface turning position of the valve core 4 on the left side of the second O-shaped ring 3 is circumferentially provided with a plurality of oil outlets 10, valve installation threads 12 are circumferentially arranged outside the valve sleeve 1 at the positions, where the spring 5 and the adjusting plug 6, through valve installation screw thread 12 directly assembles in corresponding jack, the left side of valve installation screw thread 12 is equipped with third O type circle 9, second O type circle 3 and third O type circle 9 are used for realizing the sealed of valve barrel 1 and jack, retaining ring 2 is used for protecting second O type circle 3 and avoids high-pressure impact. The pressure regulating range of the regulating plug 6 is 0-35 MPa. Four locking notches 13 are symmetrically arranged on the circumference of the top end of the left side of the valve sleeve 1. And a hexagonal screw hole is formed in the outer end face of the adjusting plug 6, and an inner hexagonal wrench is adopted to adjust the hexagonal screw hole. The first O-shaped ring 7 is sleeved on the left side of the external thread of the adjusting plug 6 and is close to the outer end face of the adjusting plug 6.
The utility model discloses a theory of operation does:
the utility model discloses a hexagon socket wrench is adjusted regulation plug 6, and closing spring 5 downwards, spring 5 push valve core 4 and valve barrel 1 are sealed under the elastic force effect, the left end of adjusting plug 6 passes through jump ring 8 and is connected with valve barrel 1, fly out when preventing to adjust plug 6 regulated pressure, cause the incident, in hydraulic system, pressure oil from 11 oil feed of inlet chamber of valve core 4, pressure when pressure oil surpasss overflow valve settlement pressure, then pressure oil leaks from oil-out 10 on the valve barrel 1, with the stability of assurance system pressure, play the effect of relief valve, the overflow valve is in the use, the accessible changes the different positions of adjusting plug 6 and obtains different pressures, when pressure does not reach the setting value simultaneously, the overflow valve does not have pressure oil to leak.
The utility model discloses compact structure, it is small, the installation is simple and convenient, and the pressure regulating range is big, and it is little to let out leakage quantity, can be high pressure resistant, has wide application prospect, is favorable to popularizing and applying. The valve sleeve 1 is integral, the structure is compact, the volume is small, and the jack is simple; the valve core 4 is contacted with the valve sleeve 1 through a conical surface, so that the leakage amount is small; the adjusting range of the adjusting plug 6 is large, so that the pressure adjusting range is large; the valve sleeve 1 is high in hardness, and a retainer ring 2 is arranged at one end of the oil inlet cavity 11 and can resist high-pressure impact.
The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An integral plug-in overflow valve is characterized by comprising a valve sleeve, wherein the valve sleeve is integral, an oil inlet cavity, a valve core, a spring, an adjusting plug and a clamp spring are sequentially arranged in the valve sleeve from right to left, the contact surface of the valve core and the valve sleeve is a conical surface, the spring is sleeved on a round platform at the left end of the valve core, the left end of the spring is contacted with the adjusting plug, the adjusting plug is in threaded connection with an internal thread inside the valve sleeve through an external thread, the adjusting plug is sealed with the inner wall of the valve sleeve through a first O-shaped ring, the left end of the adjusting plug is connected with the valve sleeve through the clamp spring, a check ring and a second O-shaped ring are sequentially arranged outside the valve sleeve close to the oil inlet cavity from right to left, a plurality of oil outlets are circumferentially arranged outside the valve sleeve at the conical surface turning part of the valve core on the left side of the second O-shaped ring, and valve mounting threads are circumferentially arranged outside the valve sleeve at the turning part of the spring and the adjusting plug, through valve installation screw thread direct assembly is in corresponding jack, the left side of valve installation screw thread is equipped with third O type circle, second O type circle and third O type circle are used for realizing the sealed of valve barrel and jack, the retaining ring is used for protecting second O type circle and avoids high pressure to strike.
2. The integral plug-in type overflow valve according to claim 1, wherein the pressure regulating range of the regulating plug is 0-35 MPa.
3. The integral plug-in type overflow valve of claim 2, wherein four locking slits are symmetrically arranged on the circumference of the top end of the left side of the valve sleeve.
4. The integral plug-in type overflow valve of claim 3, wherein the outer end face of the adjusting plug is provided with a hexagonal screw hole, and the adjusting plug is adjusted by an inner hexagonal wrench.
5. The integral plug-in type overflow valve according to claim 4, wherein the first O-shaped ring is sleeved on the left side of the external thread of the adjusting plug and is adjacent to the outer end surface of the adjusting plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886910.XU CN215058545U (en) | 2021-04-27 | 2021-04-27 | Integral plug-in mounting type overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120886910.XU CN215058545U (en) | 2021-04-27 | 2021-04-27 | Integral plug-in mounting type overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058545U true CN215058545U (en) | 2021-12-07 |
Family
ID=79110018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120886910.XU Active CN215058545U (en) | 2021-04-27 | 2021-04-27 | Integral plug-in mounting type overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058545U (en) |
-
2021
- 2021-04-27 CN CN202120886910.XU patent/CN215058545U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104011441B (en) | Relief valve | |
| CN107606197B (en) | A kind of deep fluid-controlled cut-off valve in the full sea of deep automatic compensating in sea | |
| CN106224607A (en) | A kind of screw thread high pressure inserted valve | |
| CN215058545U (en) | Integral plug-in mounting type overflow valve | |
| WO2002093284A1 (en) | Pressure reducing valve assembly | |
| CN210600323U (en) | Direct-acting pressure control valve | |
| CN202360828U (en) | Medium-flow safety valve for compound sealing | |
| US20100207047A1 (en) | Gas shutoff valve | |
| CN203009428U (en) | Overflow valve for motor of excavator | |
| CN206319857U (en) | A kind of well head safe control system control valve | |
| CN219493166U (en) | Adjustable safety valve | |
| CN205371130U (en) | Sensitive proportional multi -path reversing valve of load | |
| US3099997A (en) | Pressure relief valve | |
| CN203098437U (en) | Pressure regulating valve, direct relief valve, pilot operated compound relief valve and operating valve | |
| CN210830535U (en) | Thickness-adjustable needle-shaped switch | |
| CN108518509B (en) | Gas self-closing valve | |
| CN206655855U (en) | A kind of inverse-proportion pressure reducing valve of hydraulic coupling control | |
| CN220850889U (en) | Pressure regulating valve | |
| CN108252973B (en) | Plug-in type direct-acting proportional pressure reducing valve | |
| CN215949979U (en) | Plug-in overflow valve and corresponding valve block | |
| CN207486194U (en) | A kind of piloted reducer | |
| CN113339344A (en) | Relief valve reaches hydraulic pressure power assisted steering ware including it | |
| CN110630758A (en) | Thickness-adjustable needle-shaped switch | |
| CN217108358U (en) | Adjustable relief valve structure and oil tank isolating valve thereof | |
| CN104595267B (en) | Implanted direct relief valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |