CN213900009U - Elastic adjustable relief valve - Google Patents
Elastic adjustable relief valve Download PDFInfo
- Publication number
- CN213900009U CN213900009U CN202022742187.6U CN202022742187U CN213900009U CN 213900009 U CN213900009 U CN 213900009U CN 202022742187 U CN202022742187 U CN 202022742187U CN 213900009 U CN213900009 U CN 213900009U
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- valve body
- spring
- sealing ring
- valve
- limiting part
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Abstract
The utility model relates to the technical field of machinery. The elastic force adjustable relief valve comprises a valve body, a valve core, a spring and a sealing ring, wherein the valve body comprises a left valve body and a right valve body, the left valve body is in threaded connection with the right valve body, a left joint structure for butting a pipeline is arranged at the left end of the left valve body, and a right joint structure for butting the pipeline is arranged at the right end of the right valve body; the right end of the left valve body is provided with an annular gap for sleeving the left end of the spring; the left end of the valve core is provided with a spring limiting part for sleeving the right end of the spring, and the spring is clamped between the valve core and the left valve body; the right end of the valve core is sleeved with a sealing ring; the inner wall of the right valve body is provided with a sealing surface for propping against the sealing ring, and the sealing surface is a tapered surface which decreases progressively from left to right. This patent is through optimizing the structure of bleeder valve, screws and relaxs through the relative of left valve body and right valve body, can realize the adjustment of the decrement of spring, and then can realize the regulation of pressure of bleeding.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically the bleeder valve.
Background
The pressure of the air is increased to a certain degree during the main driving principle of the relief valve, so that the spring is compressed, and the relief valve is opened. The bleed valve is in a closed state when the internal air pressure is insufficient to compress the spring.
Chinese patent CN205639689U discloses an automatic relief valve mounted inside a gas storage container to selectively discharge liquid mixed in the gas storage container through the automatic relief valve, the automatic relief valve comprising a valve body and a valve core dividing an inner space of the valve body into a first chamber and a second chamber sealed with respect to each other, the first chamber having an opening communicating with the inside of the gas storage container and a valve port located at the lowest portion of the gas storage container and communicating with the external environment, the valve core being configured to be biased toward the first chamber in a closed valve position closing the valve port and to move toward the second chamber to an open valve position opening the valve port when the internal pressure of the gas storage container rises to a predetermined value.
The above-mentioned relief valve has the drawbacks that: 1) the relief pressure cannot be adjusted; 2) the structure is complicated, and the dismouting is loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a relief valve with adjustable elasticity to solve above at least one technical problem.
In order to achieve the above object, the utility model provides an elasticity-adjustable relief valve, including valve body, case, spring and sealing washer, its characterized in that, the valve body includes left valve body and right valve body, left valve body with right valve body threaded connection, the left end of left valve body is equipped with a left joint structure that is used for butt joint pipeline, the right end of right valve body is equipped with the right joint structure that is used for butt joint pipeline;
the right end of the left valve body is provided with an annular notch for sleeving the left end of the spring;
the left end of the valve core is provided with a spring limiting part for sleeving the right end of a spring, and the spring is clamped between the valve core and the left valve body;
the right end of the valve core is sleeved with the sealing ring;
and the inner wall of the right valve body is provided with a sealing surface for abutting against the sealing ring, and the sealing surface is a conical surface with the inner diameter decreasing from left to right.
This patent is through optimizing the structure of bleeder valve, screws and relaxs through the relative of left valve body and right valve body, can realize the adjustment of the decrement of spring, and then can realize the regulation of pressure of bleeding. The device has simple structure and is convenient to disassemble and assemble.
Further preferably, the cross section of the sealing ring is circular.
Preferably, the valve core sequentially comprises a spring limiting part, a middle part, a sealing ring mounting part and a flow dividing part from left to right;
the sealing ring is sleeved on the sealing ring mounting part;
the outer diameter of the middle part is larger than that of the spring limiting part and the sealing ring mounting part;
the cross section area of the shunt part is smaller than that of the sealing ring mounting part;
the axial projection area of the shunting part is used for symmetrically separating the axial projection area of the sealing ring mounting part.
This patent is through optimizing the structure of case, when being convenient for realize the fixed of spring and sealing washer, through the setting of reposition of redundant personnel portion, is convenient for realize the even case that promotes of air current.
Further preferably, the outer wall of the left valve body is provided with an external thread;
the inner wall of the right valve body is provided with an internal thread matched with the external thread;
the axial length of the internal thread is greater than the axial length of the external thread.
The adjustment of the compression amount of the spring is convenient.
Preferably, the center of the left valve body is provided with a limit part, and the limit part is used for abutting against the left end face of the right valve body;
the distance between the outer edge of the limiting part and the center is larger than the inner diameter of the internal thread.
The limiting part is convenient for limiting when the spring compression amount is adjusted.
Further preferably, the area of the left valve body between the limiting part and the external thread is an annular groove.
The left valve body and the right valve body can be screwed and loosened conveniently.
Further preferably, the cross section of the limiting part is a regular hexagon.
The rotation of the left valve body is convenient to realize.
Further preferably, the outer contour of the left end portion of the right valve body has a regular hexagonal cross section.
The rotation of the right valve body is convenient to realize.
Preferably, the left valve body is provided with positioning identification lines which are circumferentially arranged, and the length direction of the positioning identification lines is parallel to the axial direction of the left valve body;
and a datum line which is aligned with the positioning identification line is arranged on the right valve body and is parallel to the axial direction of the right valve body.
The left valve body and the right valve body are aligned with the reference line through different positioning identification lines, and then different pressure relief pressures are switched.
Further preferably, the right joint structure is connected with a corrugated pipe, a flow guide disc is fixed in the corrugated pipe, a flow guide hole is formed in the flow guide disc, a manual push rod is detachably connected to the flow guide disc, and a socket inserted into the flow distribution part is arranged at the left end of the manual push rod.
The manual opening and closing of the relief valve can be realized conveniently through the expansion and contraction of the corrugated pipe.
Drawings
Fig. 1 is a cross-sectional view of the embodiment 1 of the present invention in a sealed state;
fig. 2 is a cross-sectional view of the embodiment 1 of the present invention in a discharge state;
fig. 3 is a side view of embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 5 is a cross-sectional view of embodiment 3 of the present invention.
In the figure: the valve comprises a left valve body 1, a spring 2, a right valve body 3, a valve core 4, a sealing ring 5, a datum line 6, a positioning identification line 7, a socket 8, a manual push rod 9 and a flow guide disc 10.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Specific example 1: the elastic force adjustable relief valve comprises a valve body, a valve core 4, a spring 2 and a sealing ring 5, wherein the valve body comprises a left valve body 1 and a right valve body 3, the left valve body 1 is in threaded connection with the right valve body 3, a left joint structure for butting a pipeline is arranged at the left end of the left valve body 1, and a right joint structure for butting the pipeline is arranged at the right end of the right valve body 3; the right end of the left valve body 1 is provided with an annular gap for sleeving the left end of the spring 2; the left end of the valve core 4 is provided with a spring 2 limiting part which is sleeved into the right end of the spring 2, and the spring 2 is clamped between the valve core 4 and the left valve body 1; the right end of the valve core 4 is sleeved with a sealing ring 5; the inner wall of the right valve body 3 is provided with a sealing surface for abutting against the sealing ring 5, the sealing surface is a conical surface with the inner diameter decreasing from left to right, and the section of the sealing ring 5 is circular. This patent is through optimizing the structure of bleeder valve, screws and relaxs through left valve body 1 and right valve body 3 relatively, can realize the adjustment of the decrement of spring 2, and then can realize the regulation of pressure of bleeding. The device has simple structure and is convenient to disassemble and assemble.
The valve core 4 sequentially comprises a limiting part, a middle part, a sealing ring 5 mounting part and a flow dividing part of the spring 2 from left to right; the sealing ring 5 is sleeved on the mounting part of the sealing ring 5; the outer diameter of the middle part is larger than the limiting part of the spring 2 and the mounting part of the seal ring 5; the cross section area of the shunt part is smaller than that of the mounting part of the sealing ring 5; the axial projection area of the shunt part symmetrically divides the axial projection area of the mounting part of the sealing ring 5. This patent is through optimizing case 4's structure, when being convenient for realize spring 2 and sealing washer 5 fixed, through the setting of reposition of redundant personnel portion, is convenient for realize the even promotion case 4 of air current.
The outer wall of the left valve body 1 is provided with an external thread; the inner wall of the right valve body 3 is provided with an internal thread matched with the external thread; the axial length of the internal thread is greater than the axial length of the external thread. Facilitating adjustment of the amount of compression of the spring 2.
The center of the left valve body 1 is provided with a limiting part which is used for abutting against the left end face of the right valve body 3; the distance between the outer edge of the limiting part and the center is larger than the inner diameter of the inner thread of the right valve body 3. Limiting when the compression amount of the spring 2 is adjusted is facilitated through the limiting part. The area between the limiting part and the external thread on the left valve body 1 is an annular groove. The screwing and unscrewing operation of the left valve body 1 and the right valve body 3 is convenient. The cross section of the limiting part is in a regular hexagon shape. The rotation of the left valve body 1 is facilitated. The cross section of the outer contour of the left end of the right valve body 3 is a regular hexagon. Facilitating the rotation of the right valve body 3.
In specific embodiment 2, on the basis of the specific embodiment 1, the left valve body 1 is provided with positioning identification lines 7 which are circumferentially arranged, and the length direction of the positioning identification lines is parallel to the axial direction of the left valve body 1; the right valve body 3 is provided with a reference line 6 which is aligned with the positioning identification line and is parallel to the axial direction of the right valve body 3. The left valve body 1 and the right valve body 3 are aligned with the reference line through different positioning identification lines, and then different pressure relief pressures are switched.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The elasticity-adjustable relief valve comprises a valve body, a valve core, a spring and a sealing ring, and is characterized in that the valve body comprises a left valve body and a right valve body, the left valve body is in threaded connection with the right valve body, a left joint structure for butting a pipeline is arranged at the left end of the left valve body, and a right joint structure for butting the pipeline is arranged at the right end of the right valve body;
the right end of the left valve body is provided with an annular notch for sleeving the left end of the spring;
the left end of the valve core is provided with a spring limiting part for sleeving the right end of a spring, and the spring is clamped between the valve core and the left valve body;
the right end of the valve core is sleeved with the sealing ring;
and the inner wall of the right valve body is provided with a sealing surface for abutting against the sealing ring, and the sealing surface is a conical surface with the inner diameter decreasing from left to right.
2. The spring force adjustable relief valve according to claim 1, wherein: the section of the sealing ring is circular.
3. The spring force adjustable relief valve according to claim 1, wherein: the valve core sequentially comprises a spring limiting part, a middle part, a sealing ring mounting part and a flow dividing part from left to right;
the sealing ring is sleeved on the sealing ring mounting part;
the outer diameter of the middle part is larger than that of the spring limiting part and the sealing ring mounting part;
the cross section area of the shunt part is smaller than that of the sealing ring mounting part;
the axial projection area of the shunting part is used for symmetrically separating the axial projection area of the sealing ring mounting part.
4. The spring force adjustable relief valve according to claim 1, wherein: the outer wall of the left valve body is provided with an external thread;
the inner wall of the right valve body is provided with an internal thread matched with the external thread;
the axial length of the internal thread is greater than the axial length of the external thread.
5. The resiliently adjustable bleed valve of claim 4, wherein: the center of the left valve body is provided with a limiting part which is used for abutting against the left end face of the right valve body;
the distance between the outer edge of the limiting part and the center is larger than the inner diameter of the internal thread.
6. The resiliently adjustable bleed valve of claim 5, wherein: the left valve body is provided with an annular groove in the area between the limiting part and the external thread.
7. The resiliently adjustable bleed valve of claim 5, wherein: the cross section of the limiting part is in a regular hexagon shape.
8. The spring force adjustable relief valve according to claim 1, wherein: the cross section of the outer contour of the left end part of the right valve body is in a regular hexagon shape.
9. The spring force adjustable relief valve according to claim 1, wherein: the left valve body is provided with positioning identification lines which are circumferentially arranged, and the length direction of the positioning identification lines is parallel to the axial direction of the left valve body;
and a datum line which is aligned with the positioning identification line is arranged on the right valve body and is parallel to the axial direction of the right valve body.
10. The resiliently adjustable bleed valve of claim 3, wherein: the right joint structure is connected with a corrugated pipe, a flow guide disc is fixed in the corrugated pipe, flow guide holes are formed in the flow guide disc, a manual push rod can be detachably connected to the flow guide disc, and a socket inserted into the flow distribution portion is formed in the left end of the manual push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022742187.6U CN213900009U (en) | 2020-11-24 | 2020-11-24 | Elastic adjustable relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022742187.6U CN213900009U (en) | 2020-11-24 | 2020-11-24 | Elastic adjustable relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213900009U true CN213900009U (en) | 2021-08-06 |
Family
ID=77122433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022742187.6U Active CN213900009U (en) | 2020-11-24 | 2020-11-24 | Elastic adjustable relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213900009U (en) |
-
2020
- 2020-11-24 CN CN202022742187.6U patent/CN213900009U/en active Active
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| GR01 | Patent grant |