CN205173518U - Guide's formula control valve - Google Patents
Guide's formula control valve Download PDFInfo
- Publication number
- CN205173518U CN205173518U CN201521004002.4U CN201521004002U CN205173518U CN 205173518 U CN205173518 U CN 205173518U CN 201521004002 U CN201521004002 U CN 201521004002U CN 205173518 U CN205173518 U CN 205173518U
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- Prior art keywords
- valve
- pilot
- valve body
- hole
- gap
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Abstract
The utility model discloses a guide's formula control valve, the piston type unloading valve comprises a valve body and a valve cover, be equipped with elastic diaphragm between valve body and the valve gap, the diaphragm can with the valve gap with the inner chamber that the valve body formed separates, and the case is connected with the diaphragm, and follows the diaphragm removes and removes, be provided with the lag on the valve gap, the pilot valve setting is in in the lag, the inside of control valve is equipped with first passageway and second channel, first passageway is used for the intercommunication the entrance point of pilot valve and valve body, the second channel is used for the intercommunication the exit end of pilot valve and valve body, the second channel with space intercommunication between diaphragm and the valve gap. The utility model provides a guide's formula control valve, the pilot valve setting prevents the maloperation in the lag, and first passageway and second channel all set up inside the valve body, can realize the control requirement of control valve in the aspect of flow, pressure, safety and water level etc. Prevent to adopt the easy impaired or stolen condition of external control pipeline to appear.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of pilot-operated type control valve.
Background technique
Current pilot-operated type control valve door, such as piloted reducer, leading type safety relief valve, leading type flow control valve, leading type altitude valve etc., the pressure of pilot valve induction import or export, or the pressure difference imported and exported, or height of water level, the unlatching of valve plate is controlled by pilot line, close or valve plate aperture size, but the valve body that existing pilot valve and pilot line are all arranged on control valve is outside, because pilot line is made up of the copper material that price is higher, easily cause conduit failure or stolen, in addition, pilot valve is located at outside, easily cause misoperation, the situations such as valve closing are caused to cause water supply accident.
Based on above problem, the utility model proposes a kind of pilot-operated type control valve, there is built-in pilot valve and pilot line, prevent pilot valve and be misused or stolen, the flimsy situation of pilot line.
Model utility content
The purpose of this utility model is to propose a kind of pilot-operated type control valve, pilot valve can be prevented to be misused, there will not be the situation that pilot line is stolen or easily damaged.
For reaching this object, the utility model by the following technical solutions:
A kind of pilot-operated type control valve, comprise valve body and valve gap, elastic diaphragm is provided with between described valve body and valve gap, the inner chamber that described valve gap and described valve body are formed can separate by described barrier film, spool is connected with barrier film, and to move with described barrier film and mobile, described valve gap is provided with protecting cover, pilot valve is arranged in described protecting cover, the inside of described control valve is provided with first passage and second channel, described first passage is for being communicated with the entrance point of described pilot valve and valve body, described second channel is for being communicated with the outlet end of described pilot valve and valve body, described second channel is communicated with the space between described barrier film and valve gap.
Further technological scheme, described protecting cover is arranged on described entrance point side, to the through hole offered between the protecting cover on valve gap on the inwall that described first passage is included in valve body openings end, described through hole comprises the valve body entrance point through hole, the first barrier film through hole and the valve gap through hole that are communicated with successively.
Further technological scheme, described second channel comprises the groove on the valve outlet end through hole, the second barrier film through hole and the valve gap that are communicated with successively, and described groove is opened in the end of described valve gap and is fastened on described valve body.
Further technological scheme, described second channel is communicated with by side path with the space between described barrier film and valve gap, and described side path is opened between the sidewall of described groove and valve gap inwall.
Further technological scheme, described side path is side direction through hole or lateral groove.
Further technological scheme, described groove is curved.
Further technological scheme, described spool comprises valve rod and is fixed on the valve plate on valve rod, and described valve rod is connected with barrier film, makes the opening and closing between described valve plate control entrance point and outlet end by the movement of described valve rod.
Further technological scheme, is communicated with by intermediate hole between described entrance point and outlet end, and described valve plate can coordinate with described intermediate hole, and adjustment entrance point is to the uninterrupted of outlet end.
Further technological scheme, is provided with stem guiding frame in described valve body, described valve rod is located on described stem guiding frame, and can move relative to described stem guiding frame.
Further technological scheme, described protecting cover upper end is provided with opening, and described opening is combined with protecting cover.
The beneficial effects of the utility model:
The pilot-operated type control valve that the utility model proposes, comprise and be arranged on first passage in valve body and second channel, first passage is for being communicated with the entrance point of pilot valve and valve body, second channel is for being communicated with the outlet end of pilot valve and valve body, second channel is communicated with the space between barrier film and valve gap, first passage and second channel are all arranged on valve inner, not fragile or stolen, and the control overflow of this control valve in flow, pressure, safety and water level etc. can be realized, the situation preventing the pilot line of prior art peripheral easily damaged or stolen occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pilot-operated type control valve that the utility model provides;
Fig. 2 be the valve gap that provides of the utility model look up structural representation.
Wherein, 1, valve body; 2, valve gap; 3, barrier film; 4, protecting cover; 5, pilot valve; 6, entrance point; 7, outlet end; 8, valve body entrance point through hole; 9, the first barrier film through hole; 10, valve gap through hole; 11, valve outlet end through hole; 12, the second barrier film through hole; 13, groove; 14, side path; 15, valve rod; 16, valve plate; 17, stem guiding frame; 18, protecting cover.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of pilot-operated type control valve, comprise valve body 1 and valve gap 2, elastic diaphragm 3 is provided with between valve body 1 and valve gap 2, the inner chamber that valve gap 2 and valve body 1 are formed can separate by barrier film 3, spool is connected with barrier film 3, and to move with barrier film 3 and mobile, valve gap 2 is provided with protecting cover 4, pilot valve 5 is arranged in protecting cover 4, prevent pilot valve 5 easily damaged or be misused, the inside of control valve is provided with first passage and second channel, first passage is for being communicated with the entrance point 6 of pilot valve 5 and valve body 1, second channel is for being communicated with the outlet end 7 of pilot valve 5 and valve body 1, second channel is communicated with the space between barrier film 3 and valve gap 2, it is inner that first passage and second channel are all arranged on valve body 1, not fragile or stolen, and this control valve can be realized at flow, pressure, the control overflow of the aspect such as safety and water level.
Preferably, as depicted in figs. 1 and 2, protecting cover 4 is arranged on entrance point 6 side, and to the through hole offered between the protecting cover 4 on valve gap 2 on the inwall that first passage is included in valve body openings end 6, through hole comprises valve body entrance point through hole 8, the first barrier film through hole 9 and valve gap through hole 10 that are communicated with successively.Second channel comprises the groove 13 on valve outlet end through hole 11, the second barrier film through hole 12 and valve gap 2 that are communicated with successively, and groove 13 is opened in the end of valve gap 2 and is fastened on valve body 1.Said structure only has a passage to comprise groove 13, if the position of adjustment protecting cover 4, then the structure of first passage and second channel changes accordingly, can adjust as the case may be.Groove 13 is curved, can also select other shapes, specifically designs according to the end surface shape of valve gap 2.
Second channel is communicated with by side path 14 with the space between barrier film 3 and valve gap 2, side path 14 is opened between the sidewall of groove 13 and valve gap 2 inwall, can be adjusted the position of barrier film 3 by the pressure of outlet end 7, flow etc., and then the position of change spool is to control the opening and closing of entrance point 6 and outlet end 7.
Side path 14 is side direction through hole or lateral groove, and the mode of perforate or fluting on valve gap 2 can be selected to realize being communicated with of second channel and the space between barrier film 3 and valve gap 2.
The valve plate 16 that spool comprises valve rod 15 and is fixed on valve rod 15, valve rod 15 is connected with barrier film 3, is communicated with between entrance point 6 and outlet end 7 by intermediate hole, and valve plate 16 can coordinate with intermediate hole, and adjustment entrance point 6 is to the uninterrupted of outlet end 7.
Stem guiding frame 17 is provided with in valve body 1, valve rod 15 is located on stem guiding frame 17, and can move relative to stem guiding frame 17, by the guiding of stem guiding frame 17 pairs of valve rods 15, the moving direction of valve rod 15 is stablized, ensures valve plate 16 and the accuracy coordinated between intermediate hole.
Protecting cover 4 upper end is provided with opening, and opening is combined with protecting cover 18, and protecting cover 18 is dismountable to be connected with protecting cover 4, is convenient to remove or install pilot valve 5.
Valve gap 2 is removably connected by the flange on it and valve body 1, and it is firm to connect, good airproof performance.
Embodiment 2
The present embodiment is substantially identical with the structure of the pilot-operated type control valve of embodiment 1, comprise valve body 1 and valve gap 2, elastic diaphragm 3 is provided with between valve body 1 and valve gap 2, the inner chamber that valve gap 2 and valve body 1 are formed can separate by barrier film 3, spool is connected with barrier film 3, and to move with barrier film 3 and mobile, valve gap 2 is provided with protecting cover 4, pilot valve 5 is arranged in protecting cover 4, prevent pilot valve 5 easily damaged or be misused, the inside of control valve is provided with first passage and second channel, first passage is for being communicated with the entrance point 6 of pilot valve 5 and valve body 1, second channel is for being communicated with the outlet end 7 of pilot valve 5 and valve body 1, second channel is communicated with the space between barrier film 3 and valve gap 2.
Difference is, the concrete structure of first passage and second channel is not limit, and can control opening and closing between entrance point 6 and outlet end 7 or aperture size by pilot valve 5, the concrete structure of protecting cover 4 is not limit, and can shield to pilot valve 5.
Obviously, above-described embodiment of the present utility model is only to clearly demonstrate the utility model example, and is not the restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (10)
1. a pilot-operated type control valve, comprise valve body (1) and valve gap (2), elastic diaphragm (3) is provided with between described valve body (1) and valve gap (2), the inner chamber that described valve gap (2) and described valve body (1) are formed can separate by described barrier film (3), spool is connected with barrier film (3), and move with described barrier film (3) and move, it is characterized in that, described valve gap (2) is provided with protecting cover (4), pilot valve (5) is arranged in described protecting cover (4), the inside of described control valve is provided with first passage and second channel, described first passage is for being communicated with the entrance point (6) of described pilot valve (5) and valve body (1), described second channel is for being communicated with the outlet end (7) of described pilot valve (5) and valve body (1), described second channel is communicated with the space between described barrier film (3) and valve gap (2).
2. pilot-operated type control valve according to claim 1, it is characterized in that, described protecting cover (4) is arranged on described entrance point (6) side, to the through hole offered between the protecting cover (4) on valve gap (2) on the inwall that described first passage is included in valve body (1) opening end, described through hole comprises the valve body entrance point through hole (8), the first barrier film through hole (9) and the valve gap through hole (10) that are communicated with successively.
3. pilot-operated type control valve according to claim 2, it is characterized in that, described second channel comprises the groove (13) on the valve outlet end through hole (11), the second barrier film through hole (12) and the valve gap that are communicated with successively, and described groove (13) is opened in the end of described valve gap (2) and is fastened on described valve body (1).
4. pilot-operated type control valve according to claim 3, it is characterized in that, described second channel is communicated with by side path (14) with the space between described barrier film (3) and valve gap (2), and described side path (14) is opened between the sidewall of described groove (13) and valve gap (2) inwall.
5. pilot-operated type control valve according to claim 4, is characterized in that, described side path (14) is side direction through hole or lateral groove.
6. pilot-operated type control valve according to claim 3, is characterized in that, described groove (13) is curved.
7. pilot-operated type control valve according to claim 1, it is characterized in that, described spool comprises valve rod (15) and is fixed on the valve plate (16) on valve rod (15), and described valve rod (15) is connected with barrier film (3).
8. pilot-operated type control valve according to claim 7, it is characterized in that, be communicated with by intermediate hole between described entrance point (6) and outlet end (7), described valve plate (16) can coordinate with described intermediate hole, and adjustment entrance point (6) is to the uninterrupted of outlet end (7).
9. the pilot-operated type control valve according to claim 7 or 8, it is characterized in that, stem guiding frame (17) is provided with in described valve body (1), described valve rod (15) is located on described stem guiding frame (17), and can move relative to described stem guiding frame (17).
10. pilot-operated type control valve according to claim 1, is characterized in that, described protecting cover (4) upper end is provided with opening, and described opening is combined with protecting cover (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004002.4U CN205173518U (en) | 2015-12-07 | 2015-12-07 | Guide's formula control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004002.4U CN205173518U (en) | 2015-12-07 | 2015-12-07 | Guide's formula control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173518U true CN205173518U (en) | 2016-04-20 |
Family
ID=55737512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004002.4U Active CN205173518U (en) | 2015-12-07 | 2015-12-07 | Guide's formula control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081227A (en) * | 2019-05-29 | 2019-08-02 | 长沙理工大学 | A kind of pressure stabilizing guide driving valve |
-
2015
- 2015-12-07 CN CN201521004002.4U patent/CN205173518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081227A (en) * | 2019-05-29 | 2019-08-02 | 长沙理工大学 | A kind of pressure stabilizing guide driving valve |
| CN110081227B (en) * | 2019-05-29 | 2020-08-04 | 长沙理工大学 | Voltage-stabilizing pilot-driven valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |