CN202612807U - Electromagnetic pulse valve with cup-shaped sliding valve plate - Google Patents
Electromagnetic pulse valve with cup-shaped sliding valve plate Download PDFInfo
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- CN202612807U CN202612807U CN 201220276847 CN201220276847U CN202612807U CN 202612807 U CN202612807 U CN 202612807U CN 201220276847 CN201220276847 CN 201220276847 CN 201220276847 U CN201220276847 U CN 201220276847U CN 202612807 U CN202612807 U CN 202612807U
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Abstract
The utility model provides an electromagnetic pulse valve with a cup-shaped sliding valve plate. The valve comprises a valve body, a first valve cover is arranged on the valve body, the cup-shaped valve plate is arranged in the first valve cover, the outer edge of the cup-shaped valve plate clings to the inner wall of the first valve cover, a second valve cover and an output pipe are respectively arranged above and below the first valve cover, and an electromagnetic pilot valve is arranged on the second valve cover. The electromagnetic pulse valve is characterized in that the opening end of the cup-shaped valve plate faces the output pipe, and the bottom end of the cup-shaped valve plate faces the inside of the first valve cover. When the valve is closed, the valve plate wall at the opening end of the cup-shaped valve plate abuts against the pipe wall of the output pipe, and a back air chamber is formed between the bottom end of the cup-shaped valve plate and the first valve cover. The electromagnetic pulse valve increases strength, reduces volume of the back air chamber more importantly, reduces quantity of air required to be injected when the electromagnetic pulse valve is closed, and improves action flexibility.
Description
Technical field
The utility model relates to a kind of electromagnetic impulse valve.
Background technique
Electromagnetic impulse valve is the generating means of pulse blowing bag type dust precipitator deashing air-flow.Traditional electromagnetic impulse valve is to utilize elastomer diaphragm as its switching element, and existing part electromagnetic impulse valve then is to utilize cup-shaped sliding spool valve to substitute the switching element of traditional elastomer diaphragm as electromagnetic impulse valve.
Existing electromagnetic pulse valve arrangement is as shown in Figure 1 usually, comprises valve body, on valve body, is provided with first valve gap 2; In first valve gap 2, be provided with cup-shaped sliding spool valve 6; Below reaching above first valve gap 2, be respectively equipped with second valve gap 4 and output tube 8, the opening end of cup-shaped sliding spool valve 6 is in first valve gap 2, and its other end is towards output tube 8; Between first valve gap 2 and second valve gap 4, be provided with Small diaphragm-piece 3, on second valve gap 4, be provided with electromagnetic pilot head 1.For the electromagnetic impulse valve of this structure; When it is closed; Need in the rear gas chamber 7 that forms by the cup-shaped sliding spool valve 6 and first valve gap 2, charge into pressurized air, make cup-shaped sliding spool valve 6 move down and be close to output tube 8, during unlatching; Then through 5 venting of the vent hole on first valve gap 2, make and move on the cup-shaped sliding spool valve 6.Because the opening end of cup-shaped sliding spool valve 6 in first valve gap 2, therefore, could promote first valve gap 2 after pressurized gas need all fill the hollow space in the cup-shaped sliding spool valve 6 and move down, and has increased the shut-in time of electromagnetic impulse valve so undoubtedly.
Another kind of common electromagnetic impulse valve architecture is as shown in Figure 2; The difference of itself and electromagnetic impulse valve shown in Figure 1 is: adopt little valve block 9 to substitute Small diaphragm-piece 3; Simultaneously; In first valve gap 2, increased directional post 10, in cup-shaped sliding spool valve 6, formed the guiding groove match with this directional post 10, other structures and electromagnetic impulse valve shown in Figure 1 are similar.Still there is the long problem of electromagnetic pulse valve closing time in this structure.
Summary of the invention
The purpose of the utility model has provided a kind of electromagnetic impulse valve that can improve closing velocity.
In order to achieve the above object, the technological scheme of the utility model has provided a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve, comprises valve body; On valve body, be provided with first valve gap, in first valve gap, be provided with cup-shaped valve block, the outer rim of cup-shaped valve block is close to the first valve gap inwall; Below reaching above first valve gap, be respectively equipped with second valve gap and output tube, on second valve gap, be provided with electromagnetic priority valve, it is characterized in that: the opening end of cup-shaped valve block is towards output tube; Its bottom is in first valve gap; When closing, the valve block wall of cup-shaped valve block opening end and the tube wall of output tube offset, by forming rear gas chamber between the bottom of cup-shaped valve block and first valve gap.
Preferably, on the outer rim of said cup-shaped valve block, be provided with a circle seal ring, in the process that said cup-shaped valve block moves forward and backward, the sealing ring contacts with the inwall of said first valve gap all the time.
Preferably, in said first valve gap, be provided with directional post, on said cup-shaped valve block, be provided with the guiding groove that matches with this directional post, the end sealing of guiding groove, this closed end is towards said output tube.
Preferably, said directional post is a hollow structure, in the hollow structure of directional post and said guiding groove, is provided with spring, and an end of spring connects directional post, and the other end connects the closed end of said guiding groove.
Preferably, between said first valve gap and said second valve gap, be provided with Small diaphragm-piece or little valve block.
The utility model turns original cup-shaped valve block around placement, by its opening end output tube is carried out shutoff, because this opening end is a ring-type; Not only intensity increases, and makes the structure of whole sliding spool valve improve, and has practiced thrift material; The more important thing is; Reduce the volume of rear gas chamber, thereby reduced the air supply that to inject when electromagnetic impulse valve is closed, improved action sensitivity.Further, the utility model is provided with seal ring on sliding spool valve, makes the more fast and reliable that moves forward and backward of sliding spool valve, has improved the jetting performance of electromagnetic impulse valve greatly.
Description of drawings
Fig. 1 is the structural representation of existing electromagnetic impulse valve;
Fig. 2 is the structural representation of the electromagnetic impulse valve of existing tape guide structure;
Fig. 3 is in the schematic representation of opening state for a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve in the present embodiment.
Embodiment
For making the utility model more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
As shown in Figure 3, the disclosed a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve of present embodiment comprises valve body, on valve body, is provided with first valve gap 2, in first valve gap 2, is provided with cup-shaped valve block 11, and the outer rim of cup-shaped valve block 11 is close to first valve gap, 2 inwalls.Below reaching above first valve gap 2, be respectively equipped with second valve gap 4 and output tube 8.Between first valve gap 2 and second valve gap 4, Small diaphragm-piece can be set, also can be as shown in Figure 3, little valve block 9 is set.On second valve gap 4, be provided with electromagnetic priority valve 1.
In the present embodiment, the opening end of cup-shaped valve block 11 is towards output tube 8, and its bottom is in first valve gap 2.Simultaneously, on the outer rim of cup-shaped valve block 11, be provided with a circle seal ring 15, in the process that cup-shaped valve block 11 moves forward and backward, sealing ring 15 contacts with the inwall of first valve gap 2 all the time.In first valve gap 2, also be provided with directional post 12, on cup-shaped valve block 11, be provided with the guiding groove 13 that matches with this directional post 12, the end sealing of guiding groove 13, this closed end is towards output tube 8.Directional post 12 is a hollow structure, in the hollow structure of directional post 12 and said guiding groove 13, is provided with spring 14, and an end of spring 14 connects directional post 12, and the other end connects the closed end of guiding groove 13.
But when the electromagnetic impulse valve of the utility model is closed; Pressurized gas charges between bottom and first valve gap 2 of cup-shaped valve block 11 and forms in the rear gas chamber 7, because the volume of this rear gas chamber 7 is less, therefore; Cup-shaped valve block 11 moves down rapidly, offsets until the valve wall of its opening end and the tube wall of output tube 8.During unlatching, only need discharge the pressurized gas that be positioned at rear gas chamber 7, move on cup-shaped valve block 11 promptly begins through vent hole 5, because, in the present embodiment, increased spring 14, owing to the effect of the restoring force of spring 14, cup-shaped valve block 11 moves on can be more promptly.
Claims (5)
1. electromagnetic impulse valve that has cup-shaped sliding spool valve; Comprise valve body, on valve body, be provided with first valve gap (2), in first valve gap (2), be provided with cup-shaped valve block (11); The outer rim of cup-shaped valve block (11) is close to first valve gap (2) inwall; Top and below at first valve gap (2) are respectively equipped with second valve gap (4) and output tube (8), on second valve gap (4), are provided with electromagnetic priority valve (1), and it is characterized in that: the opening end of cup-shaped valve block (11) is towards output tube (8); Its bottom is in first valve gap (2); When closing, the valve block wall of cup-shaped valve block (11) opening end and the tube wall of output tube (8) offset, by forming rear gas chamber (7) between the bottom of cup-shaped valve block (11) and first valve gap (2).
2. a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve as claimed in claim 1; It is characterized in that: on the outer rim of said cup-shaped valve block (11), be provided with a circle seal ring (15); In the process that said cup-shaped valve block (11) moves forward and backward, sealing ring (15) contacts with the inwall of said first valve gap (2) all the time.
3. a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve as claimed in claim 1; It is characterized in that: in said first valve gap (2), be provided with directional post (12); On said cup-shaped valve block (11), be provided with the guiding groove (13) that matches with this directional post (12); The one end sealing of guiding groove (13), this closed end is towards said output tube (8).
4. a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve as claimed in claim 3; It is characterized in that: said directional post (12) is a hollow structure; In the hollow structure of directional post (12) and said guiding groove (13), be provided with spring (14); One end of spring (14) connects directional post (12), and the other end connects the closed end of said guiding groove (13).
5. a kind of electromagnetic impulse valve that has cup-shaped sliding spool valve as claimed in claim 1 is characterized in that: between said first valve gap (2) and said second valve gap (4), be provided with Small diaphragm-piece or little valve block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276847 CN202612807U (en) | 2012-06-12 | 2012-06-12 | Electromagnetic pulse valve with cup-shaped sliding valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276847 CN202612807U (en) | 2012-06-12 | 2012-06-12 | Electromagnetic pulse valve with cup-shaped sliding valve plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612807U true CN202612807U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276847 Expired - Lifetime CN202612807U (en) | 2012-06-12 | 2012-06-12 | Electromagnetic pulse valve with cup-shaped sliding valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705519A (en) * | 2012-06-12 | 2012-10-03 | 上海尚泰环保配件有限公司 | Electromagnetic pulse valve with cup-shaped slide valve plate |
-
2012
- 2012-06-12 CN CN 201220276847 patent/CN202612807U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705519A (en) * | 2012-06-12 | 2012-10-03 | 上海尚泰环保配件有限公司 | Electromagnetic pulse valve with cup-shaped slide valve plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |