CN204114251U - A kind of Multifunctional combined valve - Google Patents
A kind of Multifunctional combined valve Download PDFInfo
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- CN204114251U CN204114251U CN201420443864.6U CN201420443864U CN204114251U CN 204114251 U CN204114251 U CN 204114251U CN 201420443864 U CN201420443864 U CN 201420443864U CN 204114251 U CN204114251 U CN 204114251U
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- multifunctional combined
- filtering cavity
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Abstract
The utility model provides a kind of Multifunctional combined valve, belongs to valve technology field.It solve the problem that existing filtration type check valve does not have cutoff function.This Multifunctional combined valve comprises valve body, valve body comprises feed-water end and waterexit end, the water channel excessively making both communicate is provided with between feed-water end and waterexit end, the non-return flap making water channel close or open is provided with in valve body, tiltedly outwardly filtering cavity is provided with outside feed-water end, in filtering cavity, filtering cavity wall is provided with filter screen, filtering cavity one end is towards non-return flap and this filtering cavity sidepiece offers the outlet communicated with waterexit end, valve body is bolted with bonnet and is bolted with valve rod inside this bonnet, valve rod outer end stretches out bonnet and this valve rod the inner axially offers chute, non-return flap top has the connecting rod of protrusion, this connecting rod upper end is positioned at chute and the inner end of valve rod can offset with non-return flap top.This Multifunctional combined valve has the advantage integrating non-return, cut-off and filter.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of Multifunctional combined valve, particularly a kind ofly integrates non-return, cut-off, the combination brake switch and proporting that filters.
Background technique
Traditional safety check is generally made up of valve body, valve gap, flap hack lever and sealing gasket and the valving of control media one-way flow, and a large amount of impurity flowing through safety check cannot process, just a filter must not be installed no longer separately in order to these impurity can be processed, thus add the quantity of pipe joint, increase the space of valve installation, too increase the costs such as buying, installation simultaneously.
In order to address this problem, Chinese patent storehouse discloses a kind of filtration type check valve [application number: 201020526302.X; Authorization Notice No.: CN201795108U], it comprises valve body and control mechanism, non-return flap is provided with in valve body, the inner passage of valve body comprises the feeding-passage be on the left of non-return flap and the tapping channel being in non-return flap right-hand member, the sidepiece of the feeding-passage of valve body is provided with oblique outwardly filtering cavity, filtering cavity one end is facing to feeding-passage, and the side opening of filtering cavity is provided with towards the outlet of non-return flap, in described filtering cavity, filtering cavity wall is provided with the filtration string bag.
This filtration type check valve integrates filtration and non-return, and solving traditional safety check needs independent mounting filter to cause cost and take up room all to rise.But need when filter screen pocket Long-Time Service to change or cleaning, or need artificial prevention feeding-passage to communicate with tapping channel, these need specific stopper to control more; But because this filtration type check valve does not have stopper, this just causes needs to install a stopper separately again, thus adds the quantity of pipe joint, increases the space of valve installation, too increases the costs such as buying, installation simultaneously.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind ofly integrate non-return, cut-off and filter and the Multifunctional combined valve of compact structure.
The purpose of this utility model realizes by following technical proposal: a kind of Multifunctional combined valve, comprise valve body, described valve body one end is feed-water end and its other end is waterexit end, the water channel excessively making both communicate is provided with between above-mentioned feed-water end and waterexit end, the non-return flap making water channel close or open is provided with in described valve body, tiltedly outwardly filtering cavity is provided with outside described feed-water end, in described filtering cavity, filtering cavity wall is provided with filter screen, it is characterized in that, described filtering cavity one end is towards non-return flap and this filtering cavity sidepiece offers the outlet communicated with waterexit end, described valve body is bolted with bonnet and is bolted with valve rod inside this bonnet, described valve rod outer end stretches out bonnet and this valve rod the inner axially offers chute, above-mentioned non-return flap top has the connecting rod of protrusion, this connecting rod upper end is positioned at chute and the inner end of valve rod can offset with non-return flap top.
During original state, non-return flap was resisted against water channel end and was sealed by water channel under the effect of self gravitation, when feed-water end pressure is greater than waterexit end, non-return flap is opened to chute top slide make water flow through water channel by being crossed water channel under the effect of hydraulic pressure, then flow into filtering cavity to filter, and flow into waterexit end from outlet; When feed-water end pressure is less than waterexit end, water channel seals by non-return flap slide downward under the effect of hydraulic pressure, plays the effect of non-return; When feed-water end communicates with waterexit end, when water channel is artificially closed by needs, rotation valve rod makes valve rod move downward relative to bonnet and moves down close crossing water channel with the offset hydraulic pressure that drives non-return flap to overcome feed-water end of non-return flap top; When this Multifunctional filter valve needs normally to use, rotation valve rod makes it away from non-return flap, non-return flap under the impact of hydraulic pressure on move and open crossing water channel, make current flow into from feed-water end and flow through water channel, filtering cavity finally to flow out from waterexit end.
In above-mentioned Multifunctional combined valve, the internal diameter of above-mentioned chute is slightly larger than the external diameter of connecting rod.
Adopt such design, reduce water and enter in chute, affect moving up and down of connecting rod.
In above-mentioned Multifunctional combined valve, the length of described connecting rod is less than the length of chute.
When non-return flap enables the end face of non-return flap offset with chute lower end surface under the impact of the hydraulic pressure of feed-water end during upward sliding, water is avoided to enter into the normal work affecting connecting rod in chute.
In above-mentioned Multifunctional combined valve, described valve body outer rim has outwardly annular joint, described bonnet is tubular and its outer rim has annular convex shoulder, and this bonnet is screwed onto in annular joint and above-mentioned annular convex shoulder is resisted against on annular joint end face.
Valve body is connected with bonnet by arranging annular joint, makes the connection of bonnet and valve body more stable; By arranging annular convex shoulder, carrying out spacing when annular joint is screwed in pressure cap, preventing bonnet part from screwing in valve body and causing valve inner space to reduce.
In above-mentioned Multifunctional combined valve, an annular recess is outwards recessed to form inside described annular joint, this recess and annular joint coaxially arrange and its cross section is stepped, be provided with O RunddichtringO in described recess, this O RunddichtringO inner peripheral surface and bonnet offset and its top and annular convex shoulder offset.
By arranging O RunddichtringO, the connection of pressure cap and annular joint is sealed more.
In above-mentioned Multifunctional combined valve, the wire diameter of above-mentioned O RunddichtringO is greater than the degree of depth of above-mentioned recess.
Namely O RunddichtringO part stretches out annular joint, when pressure cap screws in downwards, pressure cap is resisted against on O RunddichtringO and makes O RunddichtringO generation deformation, until when annular convex shoulder and annular joint offset, O RunddichtringO stops deformation, improves the sealability of the connection of pressure cap and annular joint further.
In above-mentioned Multifunctional combined valve, filler is cylindrically provided with inside described bonnet upper end, there is inside described bonnet upper end taper gear edge, the diameter on this taper gear edge increases gradually along the inner bearing of trend of valve rod, taper gear is resisted against along upper bottom above-mentioned filler, this filler inside and outside wall offsets with valve rod and bonnet respectively, and described bonnet is bolted with pressure cap and this pressure cap is resisted against on filler.
Compressed by filler by pressure cap, filler is arranged between valve rod and bonnet, and anti-sealing flows out from bonnet top.
In above-mentioned Multifunctional combined valve, described valve rod outer end is fixed with handwheel.
Valve rod outer end is provided with handwheel, facilitates the rotation of valve rod.
Compared with prior art, this Multifunctional combined valve integrates non-return, cut-off, filters, and does not need in use to be equipped with stopper specially, not only can save the expense purchasing stopper, and also saves the time of installing stopper.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this Multifunctional combined valve;
Fig. 2 is the sectional structure schematic diagram that valve body is connected with valve gap;
Fig. 3 is the sectional structure schematic diagram of bonnet.
In figure, 1, valve body; 1a, feed-water end; 1b, waterexit end; 1c, excessively water channel; 1d, annular joint; 1d1, recess; 1e, filtering cavity; 2, valve rod; 2a, chute; 3, bonnet; 3a, annular convex shoulder; 3b, taper gear edge; 4, pressure cap; 5, handwheel; 6, filter screen; 7, non-return flap; 7a, connecting rod; 8, O RunddichtringO; 9, filler; 10, valve gap; 10a, step trough; 11, seal ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As described in Figure 1, this Multifunctional combined valve comprises the compositions such as valve body 1, valve rod 2, bonnet 3, pressure cap 4, handwheel 5, filter screen 6, non-return flap 7.
Wherein, valve body 1 comprises feed-water end 1a with waterexit end 1b and feed-water end 1a is relative with waterexit end 1b.The intake tunnel 1c making both communicate is provided with between feed-water end 1a and waterexit end 1b.Non-return flap 7 to be arranged in valve body 1 and to be moved up and down by non-return flap 7 opens or closes intake tunnel 1c.
Specifically, valve body 1 has been threaded tubular bonnet 3, and valve rod 2 is threaded in bonnet 3, and this valve rod 2 outer end is stretched out bonnet 3 and is connected with handwheel 5.Valve rod 2 is inner axially offers chute 2a, non-return flap 7 top has connecting rod 7a protruding upward and connecting rod 7a upper end is positioned at chute 2a, further optimization, Spielpassung is adopted between connecting rod 7a and chute 2a, namely the internal diameter of chute 2a is slightly larger than the external diameter of connecting rod 7a, flow in chute 2a to prevent water the normal work affecting connecting rod 7a.In the present embodiment, the length of connecting rod 7a is less than the length of chute 2a, and when moving under the effect of connecting rod 7a at current, the end face of non-return flap 7 can offset with chute 2a lower end surface, avoids water to enter into the normal work affecting connecting rod 7a in chute 2a.
Further optimization, as depicted in figs. 1 and 2, the annular joint 1d of valve body 1 outer rim formation protruding upward one, bonnet 3 is threaded in annular joint 1d.An annular recess 1d1 is outwards recessed to form, this recess 1d1 and annular joint 1d coaxially arranges and its cross section is stepped inside annular joint 1d.O RunddichtringO 8 is placed with and this O RunddichtringO 8 inner peripheral surface and valve rod 2 outer rim lean in recess 1d1.As described in Fig. 1 and Fig. 3, bonnet 3 outer rim has annular convex shoulder 3a, and when bonnet 3 is threaded in annular joint 1d, annular convex shoulder 3a is resisted against on O RunddichtringO 8.
In the present embodiment, O RunddichtringO 8 part stretches out annular joint 1d, and when bonnet 3 backspin, annular convex shoulder 3a overcomes the elastic force of O RunddichtringO 8 and is resisted against annular joint 1d end face.There is deformation in O RunddichtringO 8, bonnet 3 is sealed more with the connection of valve body 1 under the effect of recess 1d1 diapire and annular convex shoulder 3a.
As shown in Figure 2, valve rod 2 is threaded in bonnet 3 lower end inside, is provided with filler 9 cylindrically inside bonnet 3 upper end, and in the present embodiment, filler 9 is made for rubber material.There is the taper gear of protrusion along 3b inside bonnet 3, and the diameter that this taper keeps off along 3b reduces gradually along valve rod 2 outer end bearing of trend.Filler 9 is resisted against taper gear along on 3b, and filler 9 madial wall and valve rod 2 offset and offset inside its outer side wall and bonnet 3.Bonnet 3 has also been threaded pressure cap 4 and this pressure cap 4 is resisted against on filler 9, and anti-sealing flows out from bonnet 3 top.
Be provided with outwardly filtering cavity 1e outside feed-water end 1a, this filtering cavity 1e one end is towards non-return flap 7 and filtering cavity 1e sidepiece offers the outlet communicated with waterexit end 1b.In filtering cavity 1e, filtering cavity 1e wall is provided with filter screen 6.Specifically, the rear end of filtering cavity 1e is provided with the valve gap 10 be tightly connected with valve body 1, and the rear end that the interior edge face of valve gap 10 is pressed in filter screen 6 makes the front end of filter screen 6 be against on valve body 1 inwall.The inner side of valve gap 10 is provided with step trough 10a, and the front end of step trough 10a coordinates with filter screen 6, and the diameter of step trough 10a rear end is less than the diameter of filter screen 6, and the step surface on step trough 10a is against the rear end of filtering cavity 1e.Valve gap 10 is threaded with valve body 1, between valve gap 10 and valve body 1, be also provided with seal ring 11.
When this Multifunctional combined valve is in original state, intake tunnel is closed by non-return flap 7 under the effect of self gravitation; Water flows into from feed-water end 1a, and non-return flap 7 makes the connecting rod 7a on it open crossing water channel 1c to chute 2a top slide under the effect of hydraulic pressure, and water flow through water channel 1c, then flowed into filtering cavity 1e and filtered, and flow into waterexit end 1b from outlet; When feed-water end 1a pressure is less than waterexit end 1b, water channel 1c seals by non-return flap 7 slide downward under the effect of hydraulic pressure; When feed-water end 1a communicates with waterexit end 1b, when water channel 1c artificially closes by needs, rotate hydraulic pressure that handwheel 5 makes valve rod 2 be rotated down the inner end of valve rod 2 and non-return flap 7 top are leant to make non-return flap 7 overcome feed-water end 1a to move down mistake water channel 1c is sealed, when this combination brake switch and proporting of needs normally uses, reversing handle 5 makes valve rod 2 rotate up away from non-return flap 7, non-return flap 7 under the effect of feed-water end 1a hydraulic pressure on move and open crossing water channel 1c.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. a Multifunctional combined valve, comprise valve body (1), described valve body (1) one end is feed-water end (1a) and its other end is waterexit end (1b), the water channel (1c) excessively making both communicate is provided with between above-mentioned feed-water end (1a) and waterexit end (1b), the non-return flap (7) making water channel (1c) close or open is provided with in described valve body (1), described feed-water end (1a) outside is provided with tiltedly outwardly filtering cavity (1e), in described filtering cavity (1e), filtering cavity (1e) wall is provided with filter screen (6), it is characterized in that, described filtering cavity (1e) one end is towards non-return flap (7) and this filtering cavity (1e) sidepiece offers the outlet communicated with waterexit end (1b), described valve body (1) is bolted with bonnet (3) and is bolted with valve rod (2) inside this bonnet (3), described valve rod (2) outer end stretches out bonnet (3) and this valve rod (2) the inner axially offers chute (2a), above-mentioned non-return flap (7) top has the connecting rod (7a) of protrusion, this connecting rod (7a) upper end is positioned at chute (2a) and valve rod (2) inner end can offset with non-return flap (7) top.
2. Multifunctional combined valve according to claim 1, is characterized in that, the internal diameter of above-mentioned chute (2a) is slightly larger than the external diameter of connecting rod (7a).
3. Multifunctional combined valve according to claim 1 and 2, is characterized in that, the length of described connecting rod (7a) is less than the length of chute (2a).
4. Multifunctional combined valve according to claim 3, it is characterized in that, described valve body (1) outer rim has outwardly annular joint (1d), described bonnet (3) is in tubular and its outer rim has annular convex shoulder (3a), and this bonnet (3) is screwed onto in annular joint (1d) and above-mentioned annular convex shoulder (3a) is resisted against on annular joint (1d) end face.
5. Multifunctional combined valve according to claim 4, it is characterized in that, described annular joint (1d) inner side is outwards recessed to form an annular recess (1d1), this recess (1d1) and annular joint (1d) be coaxial to be arranged and its cross section is stepped, be provided with O RunddichtringO (8) in described recess (1d1), this O RunddichtringO (8) inner peripheral surface and bonnet (3) offset and its top and annular convex shoulder (3a) offset.
6. Multifunctional combined valve according to claim 5, is characterized in that, the wire diameter of above-mentioned O RunddichtringO (8) is greater than the degree of depth of above-mentioned recess (1d1).
7. Multifunctional combined valve according to claim 6, it is characterized in that, filler (9) is cylindrically provided with inside described bonnet (3) upper end, there is taper gear along (3b) inside described bonnet (3) upper end, this taper gear increases along the diameter of (3b) gradually along valve rod (2) inner bearing of trend, above-mentioned filler (9) bottom is resisted against taper gear on (3b), this filler (9) inside and outside wall offsets with valve rod (2) and bonnet (3) respectively, described bonnet (3) is bolted with pressure cap (4) and this pressure cap (4) is resisted against on filler (9).
8. Multifunctional combined valve according to claim 7, is characterized in that, described valve rod (2) outer end is fixed with handwheel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443864.6U CN204114251U (en) | 2014-08-07 | 2014-08-07 | A kind of Multifunctional combined valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443864.6U CN204114251U (en) | 2014-08-07 | 2014-08-07 | A kind of Multifunctional combined valve |
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| Publication Number | Publication Date |
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| CN204114251U true CN204114251U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420443864.6U Active CN204114251U (en) | 2014-08-07 | 2014-08-07 | A kind of Multifunctional combined valve |
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| CN (1) | CN204114251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056686A (en) * | 2019-04-26 | 2019-07-26 | 江苏圣泰阀门有限公司 | A kind of novel stop check valve |
| CN113669487A (en) * | 2021-08-04 | 2021-11-19 | 凯瑞特阀业有限公司 | Integral forged stop and check dual-purpose valve |
-
2014
- 2014-08-07 CN CN201420443864.6U patent/CN204114251U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056686A (en) * | 2019-04-26 | 2019-07-26 | 江苏圣泰阀门有限公司 | A kind of novel stop check valve |
| CN110056686B (en) * | 2019-04-26 | 2020-09-15 | 江苏圣泰阀门有限公司 | Stop check valve |
| CN113669487A (en) * | 2021-08-04 | 2021-11-19 | 凯瑞特阀业有限公司 | Integral forged stop and check dual-purpose valve |
| CN113669487B (en) * | 2021-08-04 | 2024-03-01 | 凯瑞特阀业集团有限公司 | Integral forging stop and check dual-purpose valve |
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