CN212177978U - Guiding type automatic drain valve for fire hydrant plunger - Google Patents
Guiding type automatic drain valve for fire hydrant plunger Download PDFInfo
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- CN212177978U CN212177978U CN202020425700.6U CN202020425700U CN212177978U CN 212177978 U CN212177978 U CN 212177978U CN 202020425700 U CN202020425700 U CN 202020425700U CN 212177978 U CN212177978 U CN 212177978U
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Abstract
The utility model relates to a fire hydrant plunger direction formula automatic drainage valve belongs to fire control auxiliary assembly technical field. The utility model provides a sealed poor problem of effect that current fire hydrant drain valve exists. The utility model comprises a valve body for connection and fixation, wherein a valve body middle cavity is arranged in the middle of the valve body; the elastic sealing component is arranged in the middle cavity of the valve body; the elastic sealing assembly comprises a spring arranged in a middle cavity of the valve body, a sealing guide block is arranged at the rear part of the spring, the middle cavity of the valve body further comprises a spring placing cavity and a guide cavity, the spring placing cavity and the guide cavity are provided with the spring, a drain hole is formed in the sealing guide block, and the drain hole is communicated with a water flow channel in the middle of the rear end of the sealing guide block.
Description
Technical Field
The utility model relates to a fire hydrant plunger direction formula automatic drainage valve belongs to fire control auxiliary assembly technical field.
Background
A fire hydrant, called fire hydrant formally, is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources.
The automatic drain valve of the existing fire hydrant is arranged on a fire hydrant valve body, and can be accidentally damaged during engineering construction, and is prematurely damaged due to poor installation environment, so that the replacement and maintenance cost of the position deeply buried underground is high. The plastic material of old-fashioned automatic drain valve body damages ageing easily, and ball formula seal structure poor stability is sealed poor, and the impurity that the water yield is little blocks up easily, because of the premature failure of environmental factor, and the later maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned defect that the drain valve of current fire hydrant exists, provide a fire hydrant plunger direction formula automatic drain valve, seal and the drainage through the sealed guide block of spring fit, sealed guide block can cooperate and seal in the middle of the valve body intracavity, has realized the function that the drain valve is sealed and the drainage.
The utility model discloses an adopt following technical scheme to realize:
a fire hydrant plunger guide type automatic drain valve comprises:
the valve body is used for connecting and fixing, and a valve body middle cavity is arranged in the middle of the valve body;
the elastic sealing component is arranged in the middle cavity of the valve body;
the elastic sealing assembly comprises a spring arranged in a middle cavity of the valve body, a sealing guide block is arranged at the rear part of the spring, the middle cavity of the valve body further comprises a spring placing cavity and a guide cavity, the spring placing cavity and the guide cavity are provided with the spring, a drain hole is formed in the sealing guide block, and the drain hole is communicated with a water flow channel in the middle of the rear end of the sealing guide block.
Preferably, the valve body comprises a front fixing part, a tightening part and a rear fixing part;
the outer sides of the front fixing part and the rear fixing part are both provided with threads for fixing;
the cross-section of the tightening part is hexagonal for facilitating wrench operation.
Preferably, the sealing guide block is provided with a sealing ring, and the sealing ring is adapted to the conical sealing cavity of the middle cavity of the valve body.
Preferably, the sealing guide block further comprises a bearing hole clamp for limiting the sealing guide block to slide out of the middle cavity of the valve body.
Preferably, the plurality of drain holes are uniformly arranged, so that uniform drainage is facilitated.
Preferably, the valve body and the sealing guide block are both made of copper alloy materials.
The utility model has the advantages that:
(1) fire hydrant plunger direction formula automatic drainage valve, the structure of the sealed guide block of spring fit is more stable sealed more reliable, sealed guide block and valve body adopt the copper alloy material, have higher intensity than original plastics material, have higher corrosion resistance.
(2) Fire hydrant plunger direction formula automatic drainage valve, sealed chamber cooperation that has adopted the toper sealed guide block sealed, the dual fail-safe seal structure of cooperation sealing washer, the sealing washer even the tapering face that drops also can reach sealed effect, can effectually prevent revealing of water.
(3) Fire hydrant plunger direction formula automatic drainage valve, sealed chamber department of toper through the valve body middle chamber drains, wash port on the sealed guide block is equipped with a plurality ofly simultaneously, can drain water simultaneously, drainage channel is bigger, drainage speed is faster.
Drawings
FIG. 1 is a cross-sectional view of a flow-through state of an embodiment of the present invention;
fig. 2 is a sectional view showing a sealing state of the embodiment of the present invention;
FIG. 3 is a side view of FIG. 1;
in the figure: 1. a valve body; 1-1, a rear fixing part; 1-2, a front fixing part; 1-3, a tightening part; 2. a spring; 3. sealing the guide block; 4. a seal ring; 5. clamping a bearing hole; 6. a drain hole; 7. a valve body middle cavity; 7-1, a spring placing cavity; 7-2, a conical sealing cavity; 7-3 and a guide cavity.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses a fire hydrant plunger direction formula automatic drainage valve, include:
the valve body 1 is used for connecting and fixing, and a valve body middle cavity 7 is arranged in the middle of the valve body 1;
the elastic sealing component is arranged in the valve body middle cavity 7;
the elastic sealing assembly comprises a spring 2 arranged in a valve body middle cavity 7, a sealing guide block 3 is arranged at the rear part of the spring 2, the valve body middle cavity 7 further comprises a spring placing cavity 7-1 and a guide cavity 7-3, the spring placing cavity and the guide cavity are respectively provided with the spring 2, a drain hole 6 is formed in the sealing guide block 3, and the drain hole 6 is communicated with a water flow channel in the middle of the rear end of the sealing guide block 3.
The valve body 1 comprises a front fixing part 1-2, a screwing part 1-3 and a rear fixing part 1-1;
the outer sides of the front fixing part 1-2 and the rear fixing part 1-1 are both provided with threads for fixing;
the tightening part 1-3 has a hexagonal cross-section for facilitating wrench operations.
The sealing guide block 3 is provided with a sealing ring 4, and the sealing ring 4 is adapted to a conical sealing cavity 7-2 of the valve body middle cavity 7.
And the bearing hole clamp 5 is used for limiting the sealing guide block 3 to slide out of the valve body middle cavity 7.
The plurality of drain holes 6 are uniformly arranged, so that uniform drainage is facilitated.
The valve body 1 and the sealing guide block 3 are both made of copper alloy materials. The copper alloy material has good corrosion resistance and better wear resistance when matched with each other.
The utility model discloses a use as follows:
when the fire hydrant sealing device works, the valve body 1 is arranged in the fire hydrant, is fixed through the rear fixing part 1-1 and the front fixing part 1-2, is sealed through the pressure of water, and is tightly pressed on the conical sealing cavity 7-2 of the valve body middle cavity 7 under the action of water pressure and is sealed through the sealing ring 4. When water needs to be drained, the pressure on the water inlet side is reduced, the sealing guide block 3 is separated from the conical sealing cavity 7-2 through the rear spring 2, and the residual water in the plug cavity is drained.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (6)
1. The utility model provides a fire hydrant plunger direction formula automatic drainage valve which characterized in that includes:
the valve body (1) is used for connecting and fixing, and a valve body middle cavity (7) is arranged in the middle of the valve body (1);
the elastic sealing component is arranged in the valve body middle cavity (7);
the elastic sealing assembly comprises a spring (2) arranged in a valve body middle cavity (7), a sealing guide block (3) is arranged at the rear part of the spring (2), the valve body middle cavity (7) further comprises a spring placing cavity (7-1) and a guide cavity (7-3) which are provided with the spring (2), a drain hole (6) is formed in the sealing guide block (3), and the drain hole (6) is communicated with a water flow channel in the middle of the rear end of the sealing guide block (3).
2. The hydrant plunger-guided automatic drain valve according to claim 1, wherein: the valve body (1) comprises a front fixing part (1-2), a screwing part (1-3) and a rear fixing part (1-1);
the outer sides of the front fixing part (1-2) and the rear fixing part (1-1) are provided with threads for fixing;
the cross section of the tightening part (1-3) is hexagonal for facilitating wrench operation.
3. The hydrant plunger-guided automatic drain valve according to claim 2, wherein: the sealing guide block (3) is provided with a sealing ring (4), and the sealing ring (4) is adapted to a conical sealing cavity (7-2) of the valve body middle cavity (7).
4. The hydrant plunger-guided automatic drain valve according to claim 3, wherein: the valve body further comprises a bearing hole clamp (5) for limiting the sealing guide block (3) to slide out of the valve body middle cavity (7).
5. The hydrant plunger-guided automatic drain valve according to claim 4, wherein: the plurality of drain holes (6) are uniformly arranged, so that uniform drainage is facilitated.
6. The hydrant plunger-guided automatic drain valve according to any one of claims 1 to 5, wherein: the valve body (1) and the sealing guide block (3) are made of copper alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425700.6U CN212177978U (en) | 2020-03-27 | 2020-03-27 | Guiding type automatic drain valve for fire hydrant plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425700.6U CN212177978U (en) | 2020-03-27 | 2020-03-27 | Guiding type automatic drain valve for fire hydrant plunger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212177978U true CN212177978U (en) | 2020-12-18 |
Family
ID=73772327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020425700.6U Active CN212177978U (en) | 2020-03-27 | 2020-03-27 | Guiding type automatic drain valve for fire hydrant plunger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177978U (en) |
-
2020
- 2020-03-27 CN CN202020425700.6U patent/CN212177978U/en active Active
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