CN208651750U - Butterfly valve with retaining connector - Google Patents
Butterfly valve with retaining connector Download PDFInfo
- Publication number
- CN208651750U CN208651750U CN201820936775.3U CN201820936775U CN208651750U CN 208651750 U CN208651750 U CN 208651750U CN 201820936775 U CN201820936775 U CN 201820936775U CN 208651750 U CN208651750 U CN 208651750U
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- China
- Prior art keywords
- valve
- terminal pad
- clamping
- butterfly
- flange terminal
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Abstract
The utility model relates to valve technology fields, a kind of butterfly valve with retaining connector that can quickly connect with pipeline is provided, including valve body, two free ends of valve body are equipped with the flange terminal pad connecting with pipeline, the flange terminal pad is equipped with and is above respectively equipped with pipeline and quickly connects anti-drop device, it includes clamping cap that each pipeline, which quickly connects anti-drop device, more than rubber seal and two valves mutually hold the clamping valve of connection tightly, the clamping cap is locked in flange terminal pad, rubber seal is set between flange terminal pad and clamping cap, each clamping valve is locked on clamping cap in a manner of make-up, each clamping valve can slide to the center position of butterfly type valve or expand to hold pipeline tightly, it is held tightly and is connected by locking device between each clamping valve.
Description
Technical field
The utility model relates to valve technology field, especially a kind of outlet pressure for making valve is lower than the work of inlet pressure
Plug butterfly valve.
Background technique
Butterfly valve is a kind of automatic special arrangement for reducing working pressure of pipeline, it can be reduced the higher hydraulic pressure of pipeline before valve
Level needed for pipeline after to valve, butterfly valve be widely used in the excessively high region of skyscraper, city water-supply pipe network hydraulic pressure, mine and
Other occasions, to guarantee respectively to obtain service hydraulic pressure and flow appropriate with water spot in water supply system.
Traditional butterfly valve includes valve body, ball valve core, valve rod and opening device, on the valve body along axial component be equipped with into
The mouth of a river and water outlet, the ball valve core are rotatably mounted between valve inleting water mouth and water outlet, the valve body upper side wall
Extend a stem bearing, the stem bearing that one end of the valve rod passes through valve body upper side wall is connected with ball valve core, the unlatching
Device is set on the free end of valve rod.This traditional check-valves pipe laying be by cushion rubber setting input end or water outlet simultaneously
Cushion rubber is covered by valve deck, in use, directly passing through external pipeline in valve deck insertion cushion rubber, sealing is the modeling by cushion rubber
Property be squeezed and deformed to realize.Such connection type has the following disadvantages: that sealing means cause the cushion rubber service life short；When having used one section
Between after, the pipeline of insertion is easy to be detached from cushion rubber, leads to the poor sealing of retaining connector, and the fastness of connection is poor, is easy
There is the problem of dielectric leakage, brings great inconvenience to the maintenance of technical staff.For this purpose, it is proposed that a kind of have anti-uncoupling
The butterfly valve of head solves the above problems.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes it is a kind of it is reasonable in design, connect with pipeline when leakproofness
It is good, it is connected firmly, with the butterfly valve with retaining connector for using the passage of time that can be detached between the two.
To achieve the above object, the utility model is using following technical scheme: the butterfly valve with retaining connector, valve body,
Butterfly plate, upper valve rod, lower valve rod and opening device, two free ends of the valve body are equipped with the flange terminal pad connecting with pipeline, institute
It states butterfly plate to be rotatably installed in valve body between water inlet and water outlet, outside the butterfly plate and the perpendicular circumference of fluid channel
Connecting hole and lower connecting hole are symmetrically provided on side wall, the upper valve rod connects on the stem bearing and butterfly plate of valve body upper side wall
Hole interference fit is connect, described lower valve rod one end passes through connecting hole under valve body lower wall and butterfly plate and is interference fitted, the opening device
On the free end of upper valve rod, it is characterised in that: at least one flange of the flange terminal pad of two free ends of the valve body
Terminal pad quickly connects anti-drop device equipped with pipeline is above respectively equipped with, and it includes compressing that the pipeline, which quickly connects anti-drop device,
More than lid, rubber seal and two valves mutually hold the clamping valve of connection tightly, the clamping cap is locked in flange terminal pad, rubber
Sealing ring is set between flange terminal pad and clamping cap, and each valve that clamps is locked on clamping cap in a manner of make-up, respectively clamps valve
It can slide or be expanded to hold pipeline tightly to the center position of butterfly type valve, be held tightly and connected by locking device between each clamping valve
It connects.
Further improved to be: the inner wall of each clamping valve is equipped with clamping line diagonally downward.
Further improved to be: the middle part side of the rubber seal is equipped with connected unit, and the connected unit is arranged in method
The top of blue terminal pad, the flange terminal pad inner wall open outer side is additionally provided with to be connected for the first of positioning rubber sealing ring one end
That open outer side of access slot, the clamping cap inner wall companion flange terminal pad is additionally provided with for the positioning rubber sealing ring other end
The second link slot.
It is further improved to be: to be equipped with to opening direction gradually in the flange terminal pad positioned at the lower section of the first link slot
First sealing cone of expansion, the top that the clamping cap inner wall is located at the second link slot are equipped with to flange terminal pad direction gradually
Second sealing cone of expansion.
Further improved to be: the lower part side of the rubber seal offers compatible with the first sealing cone
Having three pyramidal faces, the top side of the rubber seal offer the 4th conical surface compatible with the second sealing cone.
It is further improved to be: first sealing cone, the second sealing cone, the third conical surface and the 4th conical surface and vertical
Angle between face is 35~55 °.
It is further improved to be: to be bolted between the clamping cap and the flange terminal pad of butterfly type valve.
Further improved to be: the outside of each clamping valve is equipped with locking boss, and locking boss is equipped with locking hole, institute
The side for stating clamping cap corresponds to each position for locking boss and is equipped with slippage slot, and each clamping valve is set to slippage slot by bolt lock
On.
Further improved to be: locking device is to hold bolt tightly.
By using preceding solution, the beneficial effects of the utility model are: the utility model is structurally reasonable, design is skilful
Wonderful, in access conduit in the flange terminal pad of butterfly type valve both ends, the clamping valve for more than two valves mutually holding connection tightly can pass through bolt
It holds pipeline tightly in advance, prevents shedding, after holding, then pipeline passed through into clamping cap, be inserted into rubber seal, finally
Clamping valve is fixed in the flange terminal pad of butterfly type valve to the clamping connection that can easily realize pipeline by clamping screw.It is described
Clamping line is arranged diagonally downward, pipeline extract direction and clamping line it is contrary, when pipeline has the tendency that being detached from outward,
Pipeline can be engaged by clamping line, and pipeline is prevented to be detached from rubber seal.Relative to traditional retaining connector, the utility model energy
It is effective to hold simultaneously fixed -piping tightly, keep the leakproofness of retaining connector better, can effectively solve that traditional retaining connector goes out
The problem of existing medium is omitted, reduces the number of technical staff's maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is that the utility model embodiment pipeline quickly connects anti-drop device stereo-resolution structural schematic diagram.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
Butterfly valve with retaining connector, including valve body 1, butterfly plate 2, upper valve rod 3, lower valve rod 4 and opening device 5, the valve
Two free ends of body 1 are equipped with the flange terminal pad 13 connecting with pipeline, and the butterfly plate 2 is rotatably installed on water inlet in valve body
Between 11 and water outlet 12, be symmetrically provided on the butterfly plate 2 and the perpendicular periphery wall of fluid channel connecting hole 21 with
Lower connecting hole 22, the upper valve rod 3 pass through connecting hole 21 on the stem bearing 14 and butterfly plate 2 of 1 upper side wall of valve body and are interference fitted, institute
It states 4 one end of lower valve rod to be interference fitted across 1 lower wall of valve body and the lower connecting hole 22 of butterfly plate 2, the opening device 5 is set to upper valve rod
On 3 free end, the flange terminal pad 13 is equipped with pipeline and quickly connects anti-drop device, can root in practical application
Pipeline, which is set, in the flange terminal pad of water inlet or water outlet according to pipeline selection quickly connects anti-drop device, the pipeline
Quickly connection anti-drop device includes the clamping valve 8 that clamping cap 6, rubber seal 7 and two valves mutually hold connection tightly, the clamping cap
6 are locked in flange terminal pad 3 by bolt (not shown), and rubber seal 7 is set to flange terminal pad 3 and clamping cap 6
Between, two clamping valves 8 is locked in a manner of make-up on clamping cap 6, two clamping valves 8 can to straight tube valve body 1 center position it is same
Step slides or expands to hold pipeline tightly, is held tightly and is connected by holding bolt (end is shown in figure) between the two clampings valve 8.
The middle part side of the rubber seal 7 is equipped with connected unit 71, and the connected unit 71 is arranged in flange terminal pad 3
Top, the 3 inner wall open outer side of flange terminal pad are additionally provided with the first link slot 112 for positioning rubber sealing ring one end,
That open outer side of the 6 inner wall companion flange terminal pad 3 of clamping cap is additionally provided with for the positioning rubber sealing ring other end
Second link slot 61.
First gradually expanded to opening direction is equipped with positioned at the lower section of the first link slot 112 in the flange terminal pad 3
Sealing cone 113, the top that 6 inner wall of clamping cap is located at the second link slot 61 is equipped with gradually to be expanded to 3 direction of flange terminal pad
The second sealing cone 62 opened.
The lower part side of the rubber seal 7 offers the third conical surface 72 compatible with the first sealing cone, described
The top side of rubber seal 7 offers the 4th conical surface 73 compatible with the second sealing cone 62.First sealed taper
Angle between face, the second sealing cone, the third conical surface and the 4th conical surface and vertical plane is 45 °, first sealing cone
113, the setting of the second sealing cone 62, the third conical surface 72 and the 4th conical surface 73, so that straight tube valve body 1 and rubber seal 7
It is bonded even closer.The setting of the third conical surface 72 and the 4th conical surface 73, enables clamping cap 6 effectively to cover rubber seal
Circle 7, shifts rubber seal 7 not, and allowing the utility model, sealing effect is better when in use.
The outside of each clamping valve 8 is equipped with locking boss 81, and locking boss is equipped with locking hole 811, the clamping cap 6
Side correspond to the position of each locking boss 81 and be equipped with slippage slot 63, each clamping valve 8 is by bolt lock set on slippage slot 63
On.Each clamping valve 8 can be slid by the size of pipeline along slippage slot, and be fixed on clamping cap 6.It is described it is each clamping valve 8 it is interior
Wall is equipped with clamping line 82 diagonally downward.
This product use process is as follows: when the both ends of butterfly type valve need access conduit, firstly, two 8 sets of valves of clamping are existed
Pipeline periphery, and be locked together two clamping valves 8 by bolt, realize the effect held tightly to pipeline, and by clamping line 83
Pipeline is blocked, the two is prevented to be mutually disengaged.Then, then after pipeline is passed through clamping cap 6 it is inserted in rubber seal 7, at this point, again
Valve 8 will be clamped by bolt to be fixedly connected with straight tube valve body 1.
Based on preceding solution, the clamping valve can for three or four or five or more, described first
As long as the angle between sealing cone, the second sealing cone, the third conical surface and the 4th conical surface and vertical plane is 35~55 °, the butterfly
As long as the flange terminal pad 3 at 1 both ends of valve body, which has a flange terminal pad quickly to connect anti-drop device equipped with pipeline, can be realized
The purpose of the present invention.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (9)
1. having the butterfly valve of retaining connector, valve body, butterfly plate, upper valve rod, lower valve rod and opening device, two free ends of the valve body
Equipped with the flange terminal pad connecting with pipeline, the butterfly plate is rotatably installed in valve body between water inlet and water outlet, institute
It states and is symmetrically provided with connecting hole and lower connecting hole on butterfly plate and the perpendicular periphery wall of fluid channel, the upper valve rod passes through
Connecting hole is interference fitted on the stem bearing and butterfly plate of valve body upper side wall, and described lower valve rod one end passes through valve body lower wall and butterfly plate
Lower connecting hole interference fit, the opening device are set on the free end of upper valve rod, it is characterised in that: the two of the valve body are freely
At least one flange terminal pad of the flange terminal pad at end is equipped with and is above respectively equipped with pipeline and quickly connects anti-drop device, the pipe
It includes the clamping valve that clamping cap, rubber seal and two valves or more mutually hold connection tightly, the pressure that road, which quickly connects anti-drop device,
Tight cover lock is set in flange terminal pad, and rubber seal is set between flange terminal pad and clamping cap, and each valve that clamps is with make-up
Mode is locked on clamping cap, and each valve that clamps can slide to the center position of butterfly type valve or expand to hold pipeline, each folder tightly
It holds to hold tightly between valve by locking device and connect.
2. the butterfly valve according to claim 1 with retaining connector, it is characterised in that: the inner wall of each clamping valve is equipped with
Clamping line diagonally downward.
3. the butterfly valve according to claim 1 with retaining connector, it is characterised in that: the middle part week of the rubber seal
Side is equipped with connected unit, and the connected unit is arranged in the top of flange terminal pad, and the flange terminal pad inner wall open outer side is also set
There is the first link slot for positioning rubber sealing ring one end, that opening of the clamping cap inner wall companion flange terminal pad is outer
Side is additionally provided with the second link slot for the positioning rubber sealing ring other end.
4. the butterfly valve according to claim 3 with retaining connector, it is characterised in that: be located at the in the flange terminal pad
The lower section of one link slot is equipped with the first sealing cone gradually expanded to opening direction, and the clamping cap inner wall is located at the second connection
The top of slot is equipped with the second sealing cone gradually expanded to flange terminal pad direction.
5. the butterfly valve according to claim 4 with retaining connector, it is characterised in that: the lower part week of the rubber seal
Side offers the third conical surface compatible with the first sealing cone, the top side of the rubber seal offer with it is second close
Seal compatible 4th conical surface of the conical surface.
6. the butterfly valve according to claim 5 with retaining connector, it is characterised in that: first sealing cone, second
Angle between sealing cone, the third conical surface and the 4th conical surface and vertical plane is 35~55 °.
7. according to claim 1 to the butterfly valve for having retaining connector described in 6 any claims, it is characterised in that: the pressure
It is bolted between tight lid and the flange terminal pad of butterfly type valve.
8. according to claim 1 to the butterfly valve for having retaining connector described in 6 any claims, it is characterised in that: described each
The outside for clamping valve is equipped with locking boss, and locking boss is equipped with locking hole, and the side of the clamping cap corresponds to each locking boss
Position be equipped with slippage slot, each clamping valve is by bolt lock on the slippage slot.
9. according to claim 1 to the butterfly valve for having retaining connector described in 6 any claims, it is characterised in that: locking dress
It is set to holding bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936775.3U CN208651750U (en) | 2018-06-15 | 2018-06-15 | Butterfly valve with retaining connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936775.3U CN208651750U (en) | 2018-06-15 | 2018-06-15 | Butterfly valve with retaining connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651750U true CN208651750U (en) | 2019-03-26 |
Family
ID=65780103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820936775.3U Active CN208651750U (en) | 2018-06-15 | 2018-06-15 | Butterfly valve with retaining connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307419A (en) * | 2019-08-06 | 2019-10-08 | 常州轻工职业技术学院 | Pipeline docks intelligent robot |
| CN111677968A (en) * | 2020-03-31 | 2020-09-18 | 平顶山天安煤业股份有限公司 | Quick joint for pipeline |
-
2018
- 2018-06-15 CN CN201820936775.3U patent/CN208651750U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307419A (en) * | 2019-08-06 | 2019-10-08 | 常州轻工职业技术学院 | Pipeline docks intelligent robot |
| CN111677968A (en) * | 2020-03-31 | 2020-09-18 | 平顶山天安煤业股份有限公司 | Quick joint for pipeline |
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| GR01 | Patent grant |