CN202451885U - Vacuum circuit breaking valve - Google Patents
Vacuum circuit breaking valve Download PDFInfo
- Publication number
- CN202451885U CN202451885U CN2012200167379U CN201220016737U CN202451885U CN 202451885 U CN202451885 U CN 202451885U CN 2012200167379 U CN2012200167379 U CN 2012200167379U CN 201220016737 U CN201220016737 U CN 201220016737U CN 202451885 U CN202451885 U CN 202451885U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- base
- vacuum breaker
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a vacuum circuit breaking valve, which comprises a valve body (1) and a valve core (2), wherein the valve cover (2) is arranged on the top of the valve body (1) and is provided with an air inlet (2.1) communicated with an inner cavity of the valve body (1) and the outside, a water inlet pipe (1.1) and a water outlet pipe (1.2) are arranged on the valve body (1), the axial line of the water inlet pipe (1.1) and the axial line of the water outlet pipe (1.2) of the valve body (1) are positioned on the same straight line or parallel, and a position of the inner cavity of the valve body (1) positioned between an upper valve seat (4) and a lower valve seat (3) is provided with a valve ball (5) capable of controlling the opening or closing of the valve body. The vacuum circuit breaking valve can be arranged on the same straight line or two parallel water pipes, and the sealing effect can be ensured.
Description
Technical field:
The utility model relates to a kind of valve, specifically is a kind of vacuum breaker.
Background technique:
Vacuum breaker is mainly used in potable water system, can eliminate the vacuum in the delivery (pipe) line automatically, prevents that effectively the polluted water siphon from refluxing.Vacuum breaker comprises valve body, cover cap, bonnet, goes up seal ring, goes up sealing gasket, goes up dish, first spring, lower wall, lower seal pad, lower seal and valve seat.Said bonnet, go up seal ring, go up sealing gasket and go up dish and form outlet valve.Described valve seat, lower seal, lower seal pad and lower wall form safety check.Can be provided with one second spring between the last sealing gasket of the vacuum breaker of existing technology and the first limited ring upper surface; Purpose is to go up sealing gasket when receiving the pressure of the regulation that is near the mark; Last sealing gasket is against the part meeting projection on described second spring; Make to go up other parts of sealing gasket can not with the face seal of valve gap through hole end, just have gas and get into valve body and open outlet valve this moment.
There is following shortcoming in the vacuum breaker of above existing technology:
1,, just can't be installed on two perhaps parallel on same straight line water pipes because structure is angie type mostly, and promptly intake pipe and outlet pipe vertical distribution are concerned by like this mounting point.
2, because the control valve opening and closing are to cooperate with the valve gap through hole through sealing gasket, i.e. sealing between face and the face is out of shape and when smooth inadequately, can be reduced sealing effect at sealing gasket like this.
The model utility content
The technical problem that the utility model will solve is that a kind of vacuum breaker that can be installed on two perhaps parallel on same straight line water pipes, can guarantee sealing effect is provided.
The technological scheme of the utility model is, a kind of vacuum breaker with following structure is provided, and comprises valve body, valve gap; Said valve gap is located at the top of valve body; And be provided with connecting valve intracoelomic cavity and extraneous suction port, said valve body is provided with intake pipe and outlet pipe, and said valve body is provided with the first passage that is used to water into, be used for the second channel of water outlet and be used for the third channel of air inlet; Said first passage inboard is provided with lower valve base, is provided with upper valve base in the said valve gap; The axis of the intake pipe of said valve body is located along the same line with the axis of outlet pipe or is parallel, and the position between upper valve base and lower valve base in the said body cavity is provided with the valve ball that control valve body is opened or closed.
The said valve ball outside also is provided with ring support.
The wall of said ring support is provided with filter screen.
Said valve ball outer surface also is coated with the skin of being processed by teflon, and said outer field external diameter is less than the internal diameter of lower valve base and upper valve base.
After adopting said structure, the utility model compared with prior art has the following advantages:
1, owing to state axis and the axis of outlet pipe of the intake pipe of valve body and be located along the same line, can be installed in like this between two parallel or parallel water pipes.
2, open or close owing to adopting valve ball to distinguish, saved original upper-lower seal pad, make simple in structure as valve; And the sealing of the first passage of valve ball and valve body and second channel, be being sealed and matched of sphere and through hole, good sealing effect.
As improvement, the said valve ball outside also is provided with ring support, can prevent that valve ball from departing from, and guarantees effective sealing of valve ball and valve body, valve gap.
As further improvement, the wall of said ring support is provided with filter screen, the impurity in can filtered water.
As improvement; Said valve ball outer surface also is coated with the skin of being processed by teflon; Said outer field external diameter is less than the through hole internal diameter of lower valve base and upper valve base; It is low to make valve ball have a good antiacid alkali resistant, anti-various organic solvents, white high temperature, friction factor like this, can better be close to lower valve base and upper valve base and seal.
Description of drawings
Accompanying drawing 1 is the schematic representation that the vacuum breaker of the utility model is closed.
Accompanying drawing 2 is schematic representation that the vacuum breaker of the utility model is opened.
Shown in the figure, 1, valve body, 1.1, intake pipe, 1.2, outlet pipe, 1.3, first passage; 1.4, second channel, 1.5, third channel, 2, valve gap, 2.1, suction port, 3, lower valve base; 4, upper valve base, 5, valve ball, 5.1, skin, 6, ring support, 7, filter screen.
Embodiment
Be described further below in conjunction with the vacuum breaker of accompanying drawing the utility model.
Like Fig. 1, shown in Figure 2, the vacuum breaker of the utility model comprises valve body 1, valve gap 2; Said valve gap 2 is located at the top of valve body 1, and is provided with the suction port 2.1 that is communicated with valve body 1 inner chamber and the external world, and said valve body 1 is provided with seal ring with the joint of valve gap 2; Said valve body 1 is provided with intake pipe 1.1 and outlet pipe 1.2; Said valve body 1 is provided with the first passage 1.3 that is used to water into, be used for the second channel 1.4 of water outlet and be used for the third channel 1.5 of air inlet, and said first passage 1.3 inboards are provided with lower valve base 3, the sealing gasket of this lower valve base 3 for being processed by rubber material; Be provided with upper valve base 4 in the said third channel 1.4, this upper valve base 4 processes for one with valve gap 2; The axis of the intake pipe 1.1 of said valve body 1 is located along the same line with the axis of outlet pipe 1.2 or is parallel; The axis of the intake pipe 1.1 of the valve body 1 of present embodiment and the axis of outlet pipe 1.2 are located along the same line; The position between upper valve base 4 and lower valve base 3 in said valve body 1 inner chamber is provided with the valve ball 5 that control valve body is opened or closed; This valve ball 5 can offset with lower valve base 3 or upper valve base 4 respectively, and sealing is sealed the through hole of upper valve base 4 when offseting with lower valve base 3; Sealing is sealed the through hole of lower valve base 3 when offseting with upper valve base 4.
Said valve ball 5 outsides also are provided with ring support 6, and the wall of said ring support 6 is provided with filter screen 7.This ring support 6 is the cylindrical of hollow, and the upper and lower end face is opening.
Said valve ball 5 outer surfaces also are coated with the skin of being processed by teflon 5.1, and said outer 5.1 external diameter is less than the through hole internal diameter of lower valve base 3 and upper valve base 4.Behind these valve ball 5 parcels outer 5.1, can be free up and down in ring support 6.
The vacuum breaker working principle of the utility model: when the water intake intake pressure just often, under the effect of hydraulic pressure, overcome the gravity of valve ball 5 self; Valve ball 5 breaks away from lower valve base 3; Float to valve gap 2 and combine closely, and with the sealing that offsets of the upper valve base 4 of valve gap 2, at this moment; Gas-entered passageway cuts off, and current are normal in the pipeline; When water intake does not have the pressure of pressure ratio water intake of water or water outlet high, under the effect of valve ball 5 self gravitations, the sealing that offsets of valve ball 5 and lower valve base 3; Prevent aqueous reflux; Valve gap 2 breaks away from valve ball 5, and suction port 2.1 has air to get into, and prevents that the water siphon that exports from refluxing; The one, anti-sealing causes secondary pollution, and the 2nd, prevent water consumption device or water pump are caused impact of water hammer.
Above embodiment is merely the preferable embodiment of the utility model, the utility model also allows other to be changed, all within the scope of the claims, all in the protection domain of the claim of the utility model.
Claims (4)
1. vacuum breaker; Comprise valve body (1), valve gap (2); Said valve gap (2) is located at the top of valve body (1); And be provided with and be communicated with valve body (1) inner chamber and extraneous suction port (2.1), said valve body (1) is provided with intake pipe (1.1) and outlet pipe (1.2), and said valve body (1) is provided with and is used to the first passage of water (1.3) into, is used for the second channel (1.4) of water outlet and is used for the third channel (1.5) of air inlet; Said first passage (1.3) inboard is provided with lower valve base (3), is provided with upper valve base (4) in the said valve gap (2); It is characterized in that: the axis of the intake pipe (1.1) of said valve body (1) is located along the same line with the axis of outlet pipe (1.2) or is parallel, and the position that is positioned between upper valve base (4) and the lower valve base (3) in said valve body (1) inner chamber is provided with the valve ball (5) that control valve body is opened or closed.
2. vacuum breaker according to claim 1 is characterized in that: said valve ball (5) outside also is provided with ring support (6).
3. vacuum breaker according to claim 2 is characterized in that: the wall of said ring support (6) is provided with filter screen (7).
4. vacuum breaker according to claim 1 is characterized in that: said valve ball (5) outer surface also is coated with the skin of being processed by teflon (5.1), and the external diameter of said skin (5.1) is less than the through hole internal diameter of lower valve base (3) and upper valve base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200167379U CN202451885U (en) | 2012-01-14 | 2012-01-14 | Vacuum circuit breaking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200167379U CN202451885U (en) | 2012-01-14 | 2012-01-14 | Vacuum circuit breaking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451885U true CN202451885U (en) | 2012-09-26 |
Family
ID=46867750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200167379U Expired - Fee Related CN202451885U (en) | 2012-01-14 | 2012-01-14 | Vacuum circuit breaking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563134A (en) * | 2012-01-14 | 2012-07-11 | 宁波华成阀门有限公司 | Vacuum circuit breakage valve |
-
2012
- 2012-01-14 CN CN2012200167379U patent/CN202451885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563134A (en) * | 2012-01-14 | 2012-07-11 | 宁波华成阀门有限公司 | Vacuum circuit breakage valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20180114 |