CN214662408U - Novel manual relief valve structure for valve body - Google Patents
Novel manual relief valve structure for valve body Download PDFInfo
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- CN214662408U CN214662408U CN202120923020.1U CN202120923020U CN214662408U CN 214662408 U CN214662408 U CN 214662408U CN 202120923020 U CN202120923020 U CN 202120923020U CN 214662408 U CN214662408 U CN 214662408U
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Abstract
The utility model provides a valve body is with novel manual relief valve structure. Novel manual relief valve structure is used to valve body includes the valve body and installs backstop structure on the valve body, be equipped with first passageway, second passageway and third passageway in the valve body respectively, first passageway the second passageway all communicates with the external world, the internal diameter of second passageway is less than the internal diameter of first passageway, the internal surface of valve body the chamber wall of first passageway the chamber wall of second passageway and the chamber that forms is enclosed to close in the chamber wall of third passageway forms the stock solution chamber, the third passageway with stock solution chamber intercommunication, backstop structrual installation is in the first passageway. The utility model provides a valve body is with novel manual relief valve structure plays the effect of pressure release in hydraulic system, and in addition, manual relief valve structure adopts special construction's valve ball to seal, can solve the problem of pressure release seepage, and the structure is reliable, has prolonged product life cycle.
Description
Technical Field
The utility model relates to a valve body is with novel manual relief valve structure.
Background
At present, because the manual pressure release structure of the valve body product in the domestic market is a taper needle type sealing structure, the valve body product is insufficient in functional use, and is easy to leak after being used for a long time, so that the service cycle of the product is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a novel manual relief valve structure for a valve body.
A novel manual pressure relief valve structure for a valve body comprises a valve body and a stop structure arranged on the valve body, wherein a first channel, a second channel and a third channel are respectively arranged in the valve body, the first channel and the second channel are communicated with the outside, the inner diameter of the second channel is smaller than that of the first channel, a cavity formed by enclosing the inner surface of the valve body, the cavity wall of the first channel, the cavity wall of the second channel and the cavity wall of the third channel forms a liquid storage cavity, the third channel is communicated with the liquid storage cavity, the stop structure is arranged in the first channel and comprises a valve rod accommodated in the first channel, a valve ball which is arranged at one end of the valve rod and used for blocking/restoring the third channel to be communicated with the first channel and the second channel, and a plug screw which is sleeved on the valve rod and at least partially exposed to the outside, the screw plug is rotatably connected with the cavity wall of the first channel through threads.
Further, the cavity wall at the end where the first channel and the second channel are communicated has a first surface and a second surface, the first surface and the second surface are symmetrically arranged along the center line of the second channel, one end of each of the first surface and the second surface is connected with the cavity wall of the second channel, the other end of each of the first surface and the second surface is inclined towards the direction far away from the second channel, and the first surface and the second surface are both tangential to the outer surface of the valve ball.
Furthermore, the end part of the valve rod connected with the valve ball is of a conical surface structure.
Furthermore, the outer surface of the valve rod is provided with a mounting groove, the mounting groove surrounds the periphery of the valve rod, and a sealing ring used for sealing the wall of the first channel cavity and a gap between the valve rods is arranged in the mounting groove.
Furthermore, the number of the installation grooves is two, the two installation grooves are arranged on the valve rod at intervals and are adjacent to the third channel, the number of the sealing rings is two, and the two sealing rings are respectively arranged in the two installation grooves.
Furthermore, valve body is with novel manual relief valve structure still including locating keep away from on the valve rod the knob of valve ball one end, the knob with valve rod fixed connection.
Furthermore, a first through hole is formed in the valve rod, the knob is sleeved on the valve rod, a second through hole corresponding to the first through hole is formed in the knob, and a connecting pin penetrating through the first through hole is arranged in the second through hole.
The utility model provides a valve body is with novel manual relief valve structure plays the effect of pressure release in hydraulic system, and in addition, manual relief valve structure adopts special construction's valve ball to seal, can solve the problem of pressure release seepage, and the structure is reliable, has prolonged product life cycle.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the drawings without creative efforts for those skilled in the art.
Fig. 1 is a schematic perspective view of a novel manual pressure relief valve structure for a valve body according to the present invention;
FIG. 2 is an exploded view of the novel manual pressure relief valve structure for the valve body shown in FIG. 1;
FIG. 3 is a perspective cross-sectional view of the novel manual pressure relief valve configuration for the valve body of FIG. 1;
fig. 4 is a partially enlarged view of a portion a shown in fig. 3.
The names corresponding to the reference numbers in the drawings are as follows:
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Detailed Description
The following is 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 are also considered as the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a novel manual pressure relief valve structure for valve body, which comprises
The valve comprises a valve body 7 and a stopping structure (not shown) arranged on the valve body, wherein a first channel 71, a second channel 72 and a third channel 73 are respectively arranged in the valve body, the first channel and the second channel are communicated with the outside, the inner diameter of the second channel is smaller than that of the first channel, a cavity formed by enclosing the inner surface of the valve body, the cavity wall of the first channel, the cavity wall of the second channel and the cavity wall of the third channel forms a liquid storage cavity 74, the third channel is communicated with the liquid storage cavity, the stopping structure is arranged in the first channel, the stopping structure comprises a valve rod 4 accommodated in the first channel, a valve ball 6 arranged at one end of the valve rod and used for blocking/restoring the third channel to be communicated with the first channel and the second channel, and a plug screw 3 at least partially exposed to the outside and sleeved on the valve rod, the screw plug is rotatably connected with the cavity wall of the first channel through threads.
The valve ball can move towards the direction far away from the second channel by operating the plug screw, the third channel is communicated with the first channel and the second channel, and because the air pressure in the valve body is smaller than the external air pressure, the external air can sequentially flow into the liquid storage cavity through the second channel and the third channel so as to keep the balance of the internal and external pressure differences.
In one embodiment, the cavity wall at the end of the first channel communicating with the second channel has a first surface 75 and a second surface 76, the first surface and the second surface are symmetrically arranged along the center line of the second channel, one end of each of the first surface and the second surface is connected with the cavity wall of the second channel, the other end of each of the first surface and the second surface is inclined in a direction away from the second channel, and the first surface and the second surface are tangent to the outer surface of the valve ball.
In one embodiment, the end of the valve stem connected to the valve ball is a tapered structure for increasing the contact area with the valve ball and for pressing against the valve ball to provide a pilot and relief flow to the valve ball.
In one embodiment, the outer surface of the valve rod is provided with a mounting groove (not shown), the mounting groove is formed around the periphery of the valve rod, and a sealing ring 5 for sealing a gap between the wall of the first channel cavity and the valve rod is arranged in the mounting groove.
In one embodiment, the number of the installation grooves is two, the two installation grooves are arranged on the valve rod at intervals and are adjacent to the third channel, the number of the sealing rings is two, and the two sealing rings are respectively arranged in the two installation grooves.
In one embodiment, the novel manual pressure relief valve structure for the valve body further comprises a knob 1 arranged at one end of the valve rod far away from the valve ball, and the knob is fixedly connected with the valve rod.
In one embodiment, a first through hole (not shown) is formed in the valve rod, the knob is sleeved on the valve rod, a second through hole (not shown) corresponding to the first through hole is formed in the knob, and a connecting pin 2 penetrating through the first through hole is arranged in the second through hole.
The utility model provides a valve body is with novel manual relief valve structure plays the effect of pressure release in hydraulic system, and in addition, manual relief valve structure adopts special construction's valve ball to seal, can solve the problem of pressure release seepage, and the structure is reliable, has prolonged product life cycle.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a valve body is with novel manual relief valve structure which characterized in that: comprises a valve body and a stop structure arranged on the valve body, wherein a first channel, a second channel and a third channel are respectively arranged in the valve body, the first channel and the second channel are communicated with the outside, the inner diameter of the second channel is smaller than that of the first channel, a cavity formed by enclosing the inner surface of the valve body, the cavity wall of the first channel, the cavity wall of the second channel and the cavity wall of the third channel forms a liquid storage cavity, the third channel is communicated with the liquid storage cavity, the stop structure is arranged in the first channel, the stop structure comprises a valve rod accommodated in the first channel, a valve ball arranged at one end of the valve rod and used for blocking/restoring the third channel to communicate the first channel with the second channel, and a plug screw at least partially exposed to the outside and sleeved on the valve rod, wherein the plug screw is rotatably connected with the cavity wall of the first channel through threads.
2. The novel manual pressure relief valve structure for the valve body according to claim 1, characterized in that: the cavity wall at one end, communicated with the first channel, of the second channel is provided with a first surface and a second surface, the first surface and the second surface are symmetrically arranged along the center line of the second channel, one end of the first surface and one end of the second surface are both connected with the cavity wall of the second channel, the other end of the first surface and the other end of the second surface are both inclined towards the direction far away from the second channel, and the first surface and the second surface are both tangent to the outer surface of the valve ball.
3. The novel manual pressure relief valve structure for the valve body according to claim 2, characterized in that: the end part of the valve rod connected with the valve ball is of a conical surface structure.
4. The novel manual pressure relief valve structure for the valve body according to claim 3, characterized in that: the outer surface of the valve rod is provided with a mounting groove, the mounting groove is formed around the periphery of the valve rod, and a sealing ring used for sealing the wall of the first channel cavity and a gap between the valve rods is arranged in the mounting groove.
5. The novel manual pressure relief valve structure for the valve body according to claim 4, characterized in that: the valve rod is provided with a third channel, the number of the installation grooves is two, the two installation grooves are arranged on the valve rod at intervals and are adjacent to the third channel, the number of the sealing rings is two, and the two sealing rings are respectively arranged in the two installation grooves.
6. The novel manual pressure relief valve structure for the valve body according to claim 5, characterized in that: the novel manual pressure relief valve structure for the valve body further comprises a knob which is arranged on the valve rod and is far away from one end of the valve ball, and the knob is fixedly connected with the valve rod.
7. The novel manual pressure relief valve structure for the valve body according to claim 6, characterized in that: the valve rod is provided with a first through hole, the knob is sleeved on the valve rod, the knob is provided with a second through hole corresponding to the first through hole in position, and a connecting pin penetrating through the first through hole is arranged in the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923020.1U CN214662408U (en) | 2021-04-30 | 2021-04-30 | Novel manual relief valve structure for valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923020.1U CN214662408U (en) | 2021-04-30 | 2021-04-30 | Novel manual relief valve structure for valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662408U true CN214662408U (en) | 2021-11-09 |
Family
ID=78473385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120923020.1U Active CN214662408U (en) | 2021-04-30 | 2021-04-30 | Novel manual relief valve structure for valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662408U (en) |
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2021
- 2021-04-30 CN CN202120923020.1U patent/CN214662408U/en active Active
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