CN209458430U - A kind of overflow valve with inverse-stopping functions - Google Patents
A kind of overflow valve with inverse-stopping functions Download PDFInfo
- Publication number
- CN209458430U CN209458430U CN201822112760.8U CN201822112760U CN209458430U CN 209458430 U CN209458430 U CN 209458430U CN 201822112760 U CN201822112760 U CN 201822112760U CN 209458430 U CN209458430 U CN 209458430U
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- China
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- valve
- valve body
- bonnet
- inner sidewall
- ring
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Abstract
The utility model discloses a kind of overflow valves with inverse-stopping functions, including valve body, the upper right side of valve body is fixedly installed with bonnet, the lateral wall of bonnet is fixedly installed with the first O-ring, the inner sidewall bottom end of bonnet is fixedly installed with partition, second O-ring and baffle, screw thread is equipped in the middle part of the inner sidewall of bonnet, valve rod is bolted in the middle part of the inner sidewall of bonnet, partition, the inner sidewall of second O-ring and baffle is slidably mounted on the side wall of valve rod, the bottom end of valve rod is equipped with cylinder groove, the utility model passes through spring controlled check rod by being equipped in valve inner, and the top of check rod is plugged on stem internal, there are hydraulic pressure on the left of gasket seal, compress spring to the right, overflow valve is opened, when pipeline internal water adverse current, water flow flings the right side of gasket seal, the water inlet of valve inner is blocked, it avoids flowing back, this overflow valve By inverse-stopping functions, pipeline water flow inside will not be flowed back into for water end (W.E.), protect supply equipment.
Description
Technical field
The utility model relates to civilian, industrial building pipe pipeline overflow valve technical fields, specially a kind of with only
The overflow valve of reverse function.
Background technique
Overflow valve is a kind of hydraulic pressure control valve, mainly plays level pressure overflow in hydraulic device, pressure stabilizing, system unloaded and
Safeguard protection effect, non-return effect is not achieved without inverse-stopping functions in currently used overflow valve, when breaking down for water end (W.E.), pipe
Road water flow inside is easy to flow back, and return pressure is larger, damages supply equipment, for this purpose, it is proposed that a kind of have inverse-stopping functions
Overflow valve.
Utility model content
The purpose of this utility model is to provide a kind of overflow valves with inverse-stopping functions, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of overflow valve with inverse-stopping functions, packet
Valve body is included, the upper right side of the valve body is fixedly installed with bonnet, and the lateral wall of the bonnet is fixedly installed with the first O-ring, institute
The inner sidewall bottom end for stating bonnet is fixedly installed with partition, the second O-ring and baffle, is equipped with spiral shell in the middle part of the inner sidewall of the bonnet
The inner sidewall middle part of line, the bonnet is bolted with valve rod, and the inner sidewall of the partition, the second O-ring and baffle is slidably installed
On the side wall of valve rod；
The bottom end of the valve rod is equipped with cylinder groove, and the inner sidewall of the cylinder groove is slidably fitted with check rod, described non-return
The bottom end of bar is fixedly installed with T-valve seat, and spring, the upper and lower ends difference of the spring are arranged on the side wall of the check rod
It is fitted tightly over the bottom end of bonnet and the top of T-valve seat, the bottom end of the T-valve seat is bolted with nut, the T-valve seat
Bottom is closely fitted with gasket seal, is fitted tightly on the inner inlet mouth of valve body at the bottom margin of the gasket seal.
Preferably, the top of the valve body is equipped with the detection mouth of a river, and the inner sidewall at the detection mouth of a river is fixedly installed with draining
Valve body is equipped with the 5th O-ring, a left side for the draining valve body between the lateral wall of the draining valve body and the inner sidewall for detecting the mouth of a river
End is fixedly installed with faucet, and the inner sidewall of the draining valve body is fixedly installed with third O-ring and the 4th O in two sides up and down respectively
Type circle, is plugged with drain plug in the drain valve body, and the inside of the third O-ring and the 4th O-ring is fitted tightly over
On the side wall of drain plug
Preferably, the bottom of the valve body is equipped with discharge opening, and the inner sidewall of the discharge opening is bolted with blocking cap.
Preferably, washer is equipped between the gasket seal and nut.
Preferably, the top of the valve rod is equipped with handwheel, is equipped with lock-screw in the handwheel, the handwheel and valve rod
Top is connected by lock-screw.
Compared with prior art, the utility model has the beneficial effects that the utility model is logical by being equipped in valve inner
Spring controlled check rod is crossed, and the top of check rod is plugged on stem internal, when needing overflow valve to open, need to only rotate valve
Bar, there are hydraulic pressure in gasket seal left side, compress spring to the right, and overflow valve is opened, when pipeline internal water adverse current, water flow
The water inlet of valve inner is blocked on the right side for flinging gasket seal, avoids flowing back, this overflow valve is non-return by inverse-stopping functions
Effect is good, and when breaking down for water end (W.E.), pipeline water flow inside will not be flowed back into for water end (W.E.), protects supply equipment；
It is equipped with draining valve body and drain plug in body top, facilitates and takes out valve inner water, can detecte at any time
Water quality；
It is equipped with blocking cap in body base, facilitates the intracorporal occluded water discharge of valve, avoids bacteria breed, no stagnant water stagnant area
Domain, sanitation performance are high.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model.
In figure: 1, valve body, 2, nut, 3, gasket seal, 4, T-valve seat, the 5, the 5th O-ring, 6, faucet, the 7, the 3rd O
Type circle, 8, draining valve body, the 9, the 4th O-ring, 10, drain plug, the 11, first O-ring, 12, handwheel, 13, lock-screw, 14,
Discharge opening, 15, valve rod, 151, cylinder groove, 16, bonnet, 17, labeling, 18, partition, the 19, second O-ring, 20, baffle, 21, bullet
Spring, 22, check rod, 23, washer, 24, blocking cap, 25, the detection mouth of a river.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of overflow valve with inverse-stopping functions, including valve
Body 1, the upper right side of valve body 1 are fixedly installed with bonnet 16, and the lateral wall of bonnet 16 is fixedly installed with the first O-ring 11, bonnet 16
Inner sidewall bottom end be fixedly installed with partition 18, the second O-ring 19 and baffle 20, screw thread is equipped in the middle part of the inner sidewall of bonnet 16,
It is bolted with valve rod 15 in the middle part of the inner sidewall of bonnet 16, is equipped with screw thread, partition 18,19 and of the second O-ring in the middle part of the side wall of valve rod 15
The inner sidewall of baffle 20 is slidably mounted on the side wall of valve rod 15；
The bottom end of valve rod 15 is equipped with cylinder groove 151, and the inner sidewall of cylinder groove 151 is slidably fitted with check rod 22, check rod
22 is cylindric, and the bottom end of check rod 22 is fixedly installed with T-valve seat 4, and T-valve seat 4 is disk and stud integrated formed structure,
Spring 21 is arranged on the side wall of check rod 22, spring 21 shown in FIG. 1 is in compressive state, the upper and lower ends difference of spring 21
It is fitted tightly over the bottom end of bonnet 16 and the top of T-valve seat 4, the bottom end of T-valve seat 4 is bolted with nut 2, and nut 2 is screwed onto T
On the stud of shape valve seat 4, the bottom of T-valve seat 4 is closely fitted with gasket seal 3, closely pastes at the bottom margin of gasket seal 3
It closes on the inner inlet mouth of valve body 1, as shown in Figure 1, water inlet is located at the left end of the partially close valve body 1 in inner cavity of valve body 1, and intakes
Mouth upper inclination to the right, and the water inlet in valve body 1 is that opening state pushes gasket seal 3 when water is flowed into from 1 left end of valve body
It is moved to upper right, the top of check rod 22 moves in cylinder groove 151 to upper right, and the water inlet in valve body 1 is opened, when valve body 1
When right end pipeline flows back, water flow contacts the right side of gasket seal 3, closes water inlet, play the role of it is non-return, when needing to close
When, rotation valve rod 15 is only needed, so that the roof of cylinder groove 151 is contacted the top of check rod 22, gasket seal 3 will not be because of water at this time
It presses and is moved to upper right.
Specifically, the top of valve body 1 is equipped with the detection mouth of a river 25, the inner sidewall at the detection mouth of a river 25 is fixedly installed with drain valve
Body 8, drains and is equipped with the 5th O-ring 5 between the lateral wall of valve body 8 and the inner sidewall at the detection mouth of a river 25, and the left end of draining valve body 8 is solid
Dingan County is equipped with faucet 6, and faucet 6 is connected with draining valve body 8, drains the inner sidewall of valve body 8 or more two sides fixed peace respectively
Equipped with third O-ring 7 and the 4th O-ring 9, drains in valve body 8 and be plugged with drain plug 10, third O-ring 7 and the 4th O-ring 9
Inside be fitted tightly on the side wall of drain plug 10, by from draining valve body 8 in pull up drain plug 10 upwards, until
The bottom end of drain plug 10 is more than that faucet 6 and draining valve body 8 are connected to hole site, can open faucet 6, facilitates valve body
1 internal water is taken out, and can detecte water quality at any time.
Specifically, the bottom of valve body 1 is equipped with discharge opening 14, the inner sidewall of discharge opening 14 is bolted with blocking cap 24, discharge opening
14 inner sidewall is equipped with screw thread, and blocking cap 24 is nut, can will be remained in valve body 1 by discharge opening 14, the left side of gasket seal 3
Occluded water discharge avoid bacteria breed, no stagnant water retention areas, sanitation performance is high.
Specifically, being equipped with washer 23 between gasket seal 3 and nut 2, the material of gasket seal 3 and washer 23 is rubber
Glue, the design of washer 23 avoid the locking due to nut 2 and damage gasket seal 3.
Specifically, the top of valve rod 15 is equipped with handwheel 12, lock-screw 13, handwheel 12 and valve rod 15 are equipped in handwheel 12
Top connected by lock-screw 13, be located inside handwheel 12 by the top of valve rod 15, pass through 13 precession valve of lock-screw
The top of bar 15, handwheel 12 and valve rod 15 is fixed.
Specifically, the lateral wall of bonnet 16 is equipped with labeling 17, the application method etc. of overflow valve can be marked to say on labeling 17
It is bright, it is user-friendly.
Working principle: the left and right ends of valve body 1 are connect on pipeline, when water is flowed into from 1 left end of valve body, push gasket
Piece 3 is moved to upper right, and the top of check rod 22 moves in cylinder groove 151 to upper right, and the water inlet in valve body 1 is opened, and works as valve
When 1 right end pipeline of body flows back, water flow contacts 3 right side of gasket seal, makes to be fitted tightly at the bottom margin of gasket seal 3
The inner inlet mouth upper right side of valve body 1, closes water inlet, plays the role of non-return, when needing to close, only needs rotation valve rod
15, so that the roof of cylinder groove 151 is contacted the top of check rod 22, gasket seal 3 will not be moved because of hydraulic pressure and to upper right at this time,
When needing to carry out water quality detection, by pulling up drain plug 10 upwards out of draining valve body 8, until the bottom end of drain plug 10 is super
It crosses faucet 6 and is connected to hole site with valve body 8 is drained, faucet 6 can be opened, then valve rod 15 is made to be located at the position in Fig. 1, portion
Divide water flow to flow out by gasket seal 3,8 inside of draining valve body and faucet 6, facilitates the taking-up of 1 internal water of valve body, can at any time may be used
To detect water quality, can turn blocking cap 24, blocking cap 24 is removed, discharge is located in valve body 1, the occluded water in the left side of gasket seal 3,
Avoid bacteria breed, no stagnant water retention areas, sanitation performance height.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of overflow valve with inverse-stopping functions, it is characterised in that: including valve body (1), the upper right side of the valve body (1) is fixed
It is equipped with bonnet (16), the lateral wall of the bonnet (16) is fixedly installed with the first O-ring (11), the inside of the bonnet (16)
Wall bottom end is fixedly installed with partition (18), the second O-ring (19) and baffle (20), is equipped in the middle part of the inner sidewall of the bonnet (16)
The inner sidewall middle part of screw thread, the bonnet (16) is bolted with valve rod (15), the partition (18), the second O-ring (19) and baffle
(20) inner sidewall is slidably mounted on the side wall of valve rod (15)；
The bottom end of the valve rod (15) is equipped with cylinder groove (151), and the inner sidewall of the cylinder groove (151) is slidably fitted with check rod
(22), the bottom end of the check rod (22) is fixedly installed with T-valve seat (4), is arranged with bullet on the side wall of the check rod (22)
Spring (21), the upper and lower ends of the spring (21) are fitted tightly over the bottom end of bonnet (16) and the top of T-valve seat (4) respectively,
The bottom end of the T-valve seat (4) is bolted with nut (2), and the bottom of the T-valve seat (4) is closely fitted with gasket seal (3),
It is fitted tightly on the inner inlet mouth of valve body (1) at the bottom margin of the gasket seal (3).
2. a kind of overflow valve with inverse-stopping functions according to claim 1, it is characterised in that: the top of the valve body (1)
Portion is equipped with the detection mouth of a river (25), and the inner sidewall of the detection mouth of a river (25) is fixedly installed with draining valve body (8), the draining valve body
(8) the 5th O-ring (5) is equipped between the inner sidewall of lateral wall and the detection mouth of a river (25), the left end of draining valve body (8) is solid
Dingan County be equipped with faucet (6), it is described draining valve body (8) inner sidewall up and down two sides be fixedly installed with respectively third O-ring (7) and
4th O-ring (9), the draining valve body (8) is interior to be plugged with drain plug (10), the third O-ring (7) and the 4th O-ring
(9) inside is fitted tightly on the side wall of drain plug (10).
3. a kind of overflow valve with inverse-stopping functions according to claim 1, it is characterised in that: the bottom of the valve body (1)
Portion is equipped with discharge opening (14), and the inner sidewall of the discharge opening (14) is bolted with blocking cap (24).
4. a kind of overflow valve with inverse-stopping functions according to claim 1, it is characterised in that: the gasket seal (3)
Washer (23) are equipped between nut (2).
5. a kind of overflow valve with inverse-stopping functions according to claim 1, it is characterised in that: the top of the valve rod (15)
End is equipped with handwheel (12), is equipped with lock-screw (13) in the handwheel (12), and the top of the handwheel (12) and valve rod (15) is logical
Cross lock-screw (13) connection.
6. a kind of overflow valve with inverse-stopping functions according to claim 1, it is characterised in that: outside the bonnet (16)
Side wall is equipped with labeling (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112760.8U CN209458430U (en) | 2018-12-17 | 2018-12-17 | A kind of overflow valve with inverse-stopping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112760.8U CN209458430U (en) | 2018-12-17 | 2018-12-17 | A kind of overflow valve with inverse-stopping functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458430U true CN209458430U (en) | 2019-10-01 |
Family
ID=68040876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822112760.8U Active CN209458430U (en) | 2018-12-17 | 2018-12-17 | A kind of overflow valve with inverse-stopping functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458430U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474584A (en) * | 2020-01-31 | 2021-10-01 | 株式会社石崎 | Check valve |
| TWI761761B (en) * | 2020-02-07 | 2022-04-21 | 日商石崎股份有限公司 | check valve |
-
2018
- 2018-12-17 CN CN201822112760.8U patent/CN209458430U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474584A (en) * | 2020-01-31 | 2021-10-01 | 株式会社石崎 | Check valve |
| US11828373B2 (en) | 2020-01-31 | 2023-11-28 | Ishizaki Co., Ltd. | Check valve |
| TWI761761B (en) * | 2020-02-07 | 2022-04-21 | 日商石崎股份有限公司 | check valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |