CN207018567U - A kind of main pipeline blowoff valve - Google Patents
A kind of main pipeline blowoff valve Download PDFInfo
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- CN207018567U CN207018567U CN201720973206.1U CN201720973206U CN207018567U CN 207018567 U CN207018567 U CN 207018567U CN 201720973206 U CN201720973206 U CN 201720973206U CN 207018567 U CN207018567 U CN 207018567U
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- valve
- blowdown
- bonnet
- ball
- main pipeline
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Abstract
The utility model provides a kind of main pipeline blowoff valve, belongs to technical field of valve manufacturing.It solves the problems such as existing blowoff valve blowdown is bad.This main pipeline includes valve body with blowoff valve, valve rod one and the valve ball one in valve body, valve body has tubular blowdown portion in the lower section of valve ball one, valve ball one is offered the water inlet end of valve body, three through holes that water side is connected with blowdown portion, valve ball two is installed in blowdown portion, the inner of a piece valve rod two is circumferential connected with valve ball two, the outer end of valve rod two stretches out blowdown portion and is fixed with handle two, the outer end in blowdown portion is threaded with blowdown bonnet, the sidepiece of valve ball two leans with blowdown bonnet, between valve ball two and blowdown portion, sealing ring is equipped between valve ball two and blowdown bonnet, the inner in blowdown portion is in reaming shape.The utility model has the advantages that compact-sized, convenient operation and filth-discharging effect are good.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, is related to a kind of blowoff valve, more particularly to a kind of main pipeline row
Dirty valve.
Background technology
Chinese patent literature data discloses a kind of ball valve [application number：201220638368.7；Authorization Notice No.：
CN202992322U], its valve element and valve rod for including valve body, being arranged in valve body, valve rod is inner to be circumferentially connected with valve element, its
Outer end is stretched out valve body and is connected with handle, and valve body includes the body with water inlet and is threadedly connected at body upper water-out end
Tubular bonnet, valve element is located at the inner side of body water side and the inner of its side wall and bonnet leans, bonnet and body
Between threaded connection place be provided with fluid sealant, sealing is equipped between valve element and body madial wall and between valve element and bonnet
Circle.
Above-mentioned ball valve is widely used in main pipeline, controls the connection of medium in main pipeline by ball valve or blocks, with
And the flow of medium in main pipeline is controlled, blowdown is also used for by ball valve, so causes assembling inconvenience, and for the ball of blowdown
The junction of valve and main pipeline easily stockpiles impurity, dirt, is not easy to discharge, and filth-discharging effect is not ideal enough, in addition ball valve and supervisor
The connection in road is also not convenient and swift enough.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided a kind of compact-sized, side
Convenient to operate and the good main pipeline blowoff valve of filth-discharging effect.
The purpose of this utility model can be realized by following technical proposal：A kind of main pipeline blowoff valve, including valve body,
Valve rod one and the valve ball one in valve body, the inner of described valve rod one is circumferential connected with valve ball one, and the outer end of valve rod one is stretched
Go out valve body and be fixed with handle one, the water inlet end of valve body is threaded with bonnet, the sidepiece of described valve ball one and bonnet it is interior
End leans, and is equipped with sealing ring between described valve ball one and valve body, between valve ball one and bonnet, it is characterised in that described
Valve body there is tubular blowdown portion in the lower section of valve ball one, described valve ball one is offered the water inlet end of valve body, water outlet
Three through holes being connected with blowdown portion are held, valve ball two, the inner and valve ball two of a valve rod two are installed in described blowdown portion
Circumferential to be connected, the outer end of valve rod two stretches out blowdown portion and is fixed with handle two, and the outer end in described blowdown portion is threaded with row
Dirty bonnet, sidepiece and the blowdown bonnet of described valve ball two lean, between described valve ball two and blowdown portion, valve ball two with row
Sealing ring is equipped between dirty bonnet, the inner in described blowdown portion is in reaming shape.
In a kind of above-mentioned main pipeline blowoff valve, described bonnet is threaded with locking cap, described locking cap
In be equipped with PPR joints, described PPR joints have a circle on the inside of locking cap and the bulge loop of radially protruding, described lock
Tight cap has the rib contradicted for bulge loop, and cone-shaped sealing ring is provided between described PPR joints and bonnet.So it is easy to water inlet end
The installation connection at place.
In a kind of above-mentioned main pipeline blowoff valve, the water side of described valve body is threaded with lock nut, described
Adapter is equipped with lock nut, described adapter is with a circle positioned at lock nut inner side and the baffle ring of radially protruding, described lock nut tool
There is the flange contradicted for baffle ring, conical seal ring one is provided between described adapter and valve body, the outer peripheral face of described adapter is also
It is arranged with conical seal ring two.So it is easily installed connection, and good airproof performance after connection.
In a kind of above-mentioned main pipeline blowoff valve, the outer peripheral face of described blowdown bonnet outer end has external screw thread.This
Just connecting tube is connected sample prescription with blowdown bonnet.
In a kind of above-mentioned main pipeline blowoff valve, described valve rod one be arranged between valve rod one and valve body and
Tubular sealing shroud.The sealing area of sealing shroud is big, good sealing effect.
In a kind of above-mentioned main pipeline blowoff valve, described valve rod two is arranged with least two positioned at valve rod two and row
O-ring between dirty portion.At least two O-rings ensure that excellent sealing.
Compared with prior art, this main pipeline compact-sized, good airproof performance of blowoff valve, it is easy to connect fast with main pipeline
Victory, and be easy to suppress and blowdown, filth-discharging effect is good, and use cost is low.
Brief description of the drawings
Fig. 1 is the structure sectional view of this main pipeline blowoff valve.
In figure, 1, valve body；2nd, valve rod one；3rd, valve ball one；4th, handle one；5th, bonnet；6th, sealing ring；7th, blowdown portion；8th, valve
Ball two；9th, valve rod two；10th, handle two；11st, blowdown bonnet；12nd, sealing ring；13rd, locking cap；13a, rib；14th, PPR joints；
14a, bulge loop；15th, cone-shaped sealing ring；16th, lock nut；16a, flange；17th, take over；17a, baffle ring；18th, conical seal ring one；19、
Conical seal ring two；20th, sealing shroud；21st, O-ring.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, this main pipeline includes valve body 1, valve rod 1 and the valve ball 1 in valve body 1, valve with blowoff valve
The inner of bar 1 is circumferential connected with valve ball 1, and the outer end of valve rod 1 stretches out valve body 1 and is simultaneously fixed with handle 1, and valve body 1 enters
Water end (W.E.) is threaded with bonnet 5, and the inner of the sidepiece and bonnet 5 of valve ball 1 leans, between valve ball 1 and valve body 1, valve ball
Sealing ring 6 is equipped between one 3 and bonnet 5, valve body 1 has tubular blowdown portion 7 in the lower section of valve ball 1, and valve ball 1 is opened
Provided with three through holes that the water inlet end of valve body 1, water side and blowdown portion 7 are connected, valve ball 28 is installed in blowdown portion 7, one
The inner of valve rod 29 is circumferential connected with valve ball 28, and the outer end of valve rod 29 stretches out blowdown portion 7 and is simultaneously fixed with handle 2 10, blowdown
The outer end in portion 7 is threaded with blowdown bonnet 11, and sidepiece and the blowdown bonnet 11 of valve ball 28 lean, valve ball 28 and blowdown portion
Between 7, sealing ring 12 is equipped between valve ball 28 and blowdown bonnet 11, the inner in blowdown portion 7 is in reaming shape.
After this main pipeline is installed on main pipeline with blowoff valve, when being suppressed to main pipeline, valve ball 1 block water inlet end and
Water side, pass through handle 2 10, valve rod rotate valve ball 28 rotate so that blowdown portion 7 is communicated in the water side of valve body 1, it is laggard
Row main pipeline is suppressed, examine whole main pipeline whether No leakage；This main pipeline blowoff valve is in use, valve ball 28 blocks blowdown
Portion 7, valve ball 1 connect water inlet end and water side, main pipeline normal water supply, when main pipeline water quality inferiority is with there is dirt, pass through hand
Handle 1, valve rod 1 drive valve ball 1 to rotate, and valve ball 1 blocks water inlet end and water side, then passes through handle 2 10, valve rod 29
Valve ball 28 is driven to rotate, valve ball 28 causes blowdown portion 7 to be communicated in the water side of valve body 1, now discharges dirt by blowdown portion 7
Water, dirt and impurity, the inner of blowdown portion 7 are in reaming shape, and such dirt, impurity can not be accumulated in the inner of blowdown portion 7, and blowdown is thorough
Bottom, the dirt of main pipeline and sewage so are cleaned without professional hydropower installation work, reduces use cost, when maintenance,
By blowdown portion 7 by main pipeline reclaimed water emptying, facilitate service work；This main pipeline is integrated with ball valve and blowoff valve with blowoff valve
Function, compact-sized, good airproof performance are easily manufactured and be easy to assemble.
Further describe in detail, connected for convenience in main pipeline, bonnet 5 is threaded with locking cap 13, worn in locking cap 13
Provided with PPR joints 14, there is PPR joints 14 circle to have positioned at the inner side of locking cap 13 and the bulge loop 14a of radially protruding, locking cap 13
Have and be provided with cone-shaped sealing ring 15, the water side spiral shell of valve body 1 between rib 13a, PPR joint 14 and bonnet 5 for bulge loop 14a conflicts
Line is connected with lock nut 16, is equipped with adapter 17 in lock nut 16, and adapter 17 has a circle positioned at the inner side of lock nut 16 and radially protruding
Baffle ring 17a, lock nut 16 have the flange 16a contradicted for baffle ring 17a, conical seal ring 1 are provided between adapter 17 and valve body 1,
The outer peripheral face of adapter 17 is also arranged with conical seal ring 2 19, and the outer peripheral face of the outer end of blowdown bonnet 11 has external screw thread.
For good airproof performance, valve rod 1 is arranged between valve rod 1 and valve body 1 and tubular sealing shroud 20, valve
Bar 29 is arranged with two O-rings 21 between valve rod 29 and blowdown portion 7.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a kind of main pipeline blowoff valve, including valve body (1), valve rod one (2) and the valve ball one (3) in valve body (1), described
The inner of valve rod one (2) be circumferentially connected with valve ball one (3), the outer end of valve rod one (2) stretches out valve body (1) and is simultaneously fixed with handle one
(4), the water inlet end of valve body (1) is threaded with bonnet (5), and the inner of the sidepiece and bonnet (5) of described valve ball one (3) offsets
Lean on, sealing ring (6), its feature are equipped between described valve ball one (3) and valve body (1), between valve ball one (3) and bonnet (5)
It is, described valve body (1) has tubular blowdown portion (7) in the lower section of valve ball one (3), and described valve ball one (3) opens up
There are three through holes that the water inlet end of valve body (1), water side are connected with blowdown portion (7), valve is installed in described blowdown portion (7)
Ball two (8), the inner of a valve rod two (9) are circumferentially connected with valve ball two (8), and blowdown portion (7) are stretched out simultaneously in the outer end of valve rod two (9)
Handle two (10) is fixed with, the outer end in described blowdown portion (7) is threaded with blowdown bonnet (11), described valve ball two (8)
Sidepiece leant with blowdown bonnet (11), between described valve ball two (8) and blowdown portion (7), valve ball two (8) and blowdown bonnet
(11) sealing ring (12) is equipped between, the inner in described blowdown portion (7) is in reaming shape.
A kind of 2. main pipeline blowoff valve according to claim 1, it is characterised in that described bonnet (5) threaded connection
There is locking cap (13), PPR joints (14) are equipped with described locking cap (13), described PPR joints (14) have a circle position
There is the gear contradicted for bulge loop (14a) in locking cap (13) inner side and the bulge loop (14a) of radially protruding, described locking cap (13)
Side (13a), cone-shaped sealing ring (15) is provided between described PPR joints (14) and bonnet (5).
A kind of 3. main pipeline blowoff valve according to claim 1 or 2, it is characterised in that the water outlet of described valve body (1)
End is threaded with lock nut (16), and adapter (17) is equipped with described lock nut (16), and described adapter (17) has a circle position
There is the flange contradicted for baffle ring (17a) in lock nut (16) inner side and the baffle ring (17a) of radially protruding, described lock nut (16)
(16a), conical seal ring one (18), the outer peripheral face of described adapter (17) are provided between described adapter (17) and valve body (1)
Also it is arranged with conical seal ring two (19).
A kind of 4. main pipeline blowoff valve according to claim 1, it is characterised in that described blowdown bonnet (11) outer end
Outer peripheral face there is external screw thread.
5. a kind of main pipeline blowoff valve according to claim 1, it is characterised in that described valve rod one (2) is arranged with
Between valve rod one (2) and valve body (1) and tubular sealing shroud (20).
6. a kind of main pipeline blowoff valve according to claim 1, it is characterised in that described valve rod two (9) is arranged with
At least two O-rings (21) between valve rod two (9) and blowdown portion (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973206.1U CN207018567U (en) | 2017-08-05 | 2017-08-05 | A kind of main pipeline blowoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973206.1U CN207018567U (en) | 2017-08-05 | 2017-08-05 | A kind of main pipeline blowoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018567U true CN207018567U (en) | 2018-02-16 |
Family
ID=61477915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973206.1U Active CN207018567U (en) | 2017-08-05 | 2017-08-05 | A kind of main pipeline blowoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531145A (en) * | 2021-08-17 | 2021-10-22 | 台州半城暖通科技有限公司 | Ball valve |
-
2017
- 2017-08-05 CN CN201720973206.1U patent/CN207018567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531145A (en) * | 2021-08-17 | 2021-10-22 | 台州半城暖通科技有限公司 | Ball valve |
| CN113531145B (en) * | 2021-08-17 | 2022-08-16 | 台州半城暖通科技有限公司 | Ball valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317606, Zhejiang, Taizhou province Yuhuan Town Industrial Agglomeration Area Patentee after: Zhejiang Xin fan HVAC control Limited by Share Ltd Address before: 317606, Zhejiang, Taizhou province Yuhuan Town Industrial Agglomeration Area Patentee before: Zhejiang Xinfan Copper Co., Ltd. |