CN210196572U - Maintenance-free vacuum valve structure - Google Patents
Maintenance-free vacuum valve structure Download PDFInfo
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- CN210196572U CN210196572U CN201921227601.0U CN201921227601U CN210196572U CN 210196572 U CN210196572 U CN 210196572U CN 201921227601 U CN201921227601 U CN 201921227601U CN 210196572 U CN210196572 U CN 210196572U
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- guide pipe
- sealing plate
- maintenance
- spring
- valve structure
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Abstract
The utility model discloses a maintenance-free vacuum valve structure, which comprises a bracket, wherein the bracket comprises a bottom plate and a plurality of stand columns which are connected with each other; the upper end and the lower end of the guide pipe are both open, a connecting flange fixedly connected with the guide pipe is sleeved on the outer side of the guide pipe, one end of the guide pipe is positioned in the support, and the lower surface of the connecting flange is fixedly connected with the stand columns; the sealing plate is located inside the support and located on the lower portion of the guide pipe, and the sealing plate is connected with the bottom plate through a spring. The application provides a non-maintaining vacuum valve structure, simple structure is reasonable, installation convenient to use. Because the structure has no wearing parts, the maintenance is not needed in the use process. Meanwhile, the structure is stable in action, has no impact, is reliable in performance, and can determine that the vacuum degree in the negative pressure system does not exceed the rated vacuum degree. Is worthy of large-area popularization and application.
Description
Technical Field
The utility model relates to a negative pressure system accessory technical field especially relates to a non-maintaining vacuum valve structure.
Background
The negative pressure system is a conveying system which utilizes a pressure fan (vacuum pump) to generate system negative pressure and pumps bulk materials such as fly ash, cement and the like which are uniformly mixed with air at a material receiver to a material storage device through a pipeline. In the using process of the negative pressure system, different vacuum degrees are required to be provided according to different using occasions and different materials to enable the negative pressure system to achieve the optimal working state. Particularly, when the negative pressure system is used, the rated vacuum degree cannot be exceeded, and not only can equipment be damaged, but also other dangerous conditions can occur to endanger the safety of workers.
In the prior art, the method for preventing the vacuum degree of the negative pressure system from exceeding the rated vacuum degree comprises the steps of measuring the vacuum degree in the negative pressure system through a sensor, comparing the difference between the vacuum degree in a box and the required vacuum degree through a controller, and opening or closing the size of an air inlet of a stock discharge box through an adjusting valve so as to adjust the vacuum degree in the stock discharge box. The method has two problems, namely, the cost is high, a sensor, a regulating valve and a controller need to be configured, and the regulating precision is influenced by the measuring precision of the sensor and the regulating precision of the control valve. Meanwhile, the regulating valve provided in the prior art has a large number of wearing parts, so that the service life of the regulating valve is usually short and the regulating valve needs to be frequently replaced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a non-maintaining vacuum valve structure.
The utility model provides a following scheme:
a maintenance-free vacuum valve structure comprising:
the support comprises a bottom plate and a plurality of stand columns which are connected;
the upper end and the lower end of the guide pipe are both open, a connecting flange fixedly connected with the guide pipe is sleeved on the outer side of the guide pipe, one end of the guide pipe is positioned in the support, and the lower surface of the connecting flange is fixedly connected with the stand columns;
the sealing plate is positioned in the bracket and positioned at the lower part of the guide pipe, and the sealing plate is connected with the bottom plate through a spring;
the connecting flange is used for realizing connection with a negative pressure pipeline, and the spring is used for providing an upward acting force for the sealing plate so as to ensure that the upper surface of the sealing plate is abutted against the end face of the guide pipe.
Preferably: the lower part of the spring is connected with a spring pressing plate; the bottom plate is provided with a threaded hole, a bolt is arranged in the threaded hole, and the bolt is connected with the spring pressing plate; the bolt is used for realizing the adjustment of the tightness of the spring.
Preferably: the upper part of the sealing plate is connected with a cross-shaped guide frame, and the cross-shaped guide frame is positioned in the guide pipe.
Preferably: one end of the guide pipe, which is far away from the sealing plate, is connected with a rain-proof cap.
Preferably: the rain hat is connected with the guide pipe through the rain hat support.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
through the utility model, a maintenance-free vacuum valve structure can be realized, and in an implementation mode, the structure can comprise a bracket, wherein the bracket comprises a bottom plate and a plurality of stand columns which are connected; the upper end and the lower end of the guide pipe are both open, a connecting flange fixedly connected with the guide pipe is sleeved on the outer side of the guide pipe, one end of the guide pipe is positioned in the support, and the lower surface of the connecting flange is fixedly connected with the stand columns; the sealing plate is positioned in the bracket and positioned at the lower part of the guide pipe, and the sealing plate is connected with the bottom plate through a spring; the connecting flange is used for realizing connection with a negative pressure pipeline, and the spring is used for providing an upward acting force for the sealing plate so as to ensure that the upper surface of the sealing plate is abutted against the end face of the guide pipe. The application provides a non-maintaining vacuum valve structure, simple structure is reasonable, installation convenient to use. Because the structure has no wearing parts, the maintenance is not needed in the use process. Meanwhile, the structure is stable in action, has no impact, is reliable in performance, and can determine that the vacuum degree in the negative pressure system does not exceed the rated vacuum degree. Is worthy of large-area popularization and application.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a maintenance-free vacuum valve structure provided by an embodiment of the present invention.
In the figure: the device comprises a bottom plate 1, a stand column 2, a guide pipe 3, a connecting flange 4, a sealing plate 5, a spring 6, a spring pressing plate 7, a bolt 8, a cross-shaped guide frame 9, a rain-proof cap 10, a rain-proof cap support 11 and a negative pressure pipeline 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, a maintenance-free vacuum valve structure provided in an embodiment of the present invention, as shown in fig. 1, includes a support, where the support includes a bottom plate 1 and a plurality of columns 2 connected to each other;
the upper end and the lower end of the guide pipe 3 are both open, a connecting flange 4 fixedly connected with the guide pipe 3 is sleeved on the outer side of the guide pipe 3, one end of the guide pipe 3 is positioned in the support, and the lower surface of the connecting flange 4 is fixedly connected with the plurality of stand columns 2;
the sealing plate 5 is positioned in the bracket and at the lower part of the guide pipe 3, and the sealing plate 5 is connected with the bottom plate 1 through a spring 6;
wherein the connecting flange 4 is used for realizing the connection with the negative pressure pipeline 12, and the spring 6 is used for providing an upward acting force to the sealing plate 5 so as to ensure that the upper surface of the sealing plate 5 is abutted against the end surface of the guide pipe 3.
Further, in order to adjust the tightness of the spring 6 to adapt to the use of pipelines with different rated vacuum degrees, the lower part of the spring is connected with a spring pressing plate 7; a threaded hole is formed in the bottom plate 1, a bolt 8 is arranged in the threaded hole, and the bolt 8 is connected with the spring pressing plate 7; the bolt 8 is used for adjusting the tightness of the spring 6. For guiding conveniently, the upper part of the sealing plate is connected with a cross-shaped guide frame 9, and the cross-shaped guide frame 9 is positioned inside the guide pipe 3.
Further, in order to prevent water or dust from entering the vacuum pipeline through the guide pipe when the structure is in use, a rain-proof cap 10 is connected to one end of the guide pipe 3, which is far away from the sealing plate 5. Specifically, the rain hat 10 is connected with the guide pipe 3 through a rain hat support 11.
This vacuum valve structure is when using, install this structure on negative pressure system's pipeline, adjusting bolt, through the support, spring plate, adjust the spring elasticity, guarantee the inside vacuum size of system, when the inside vacuum of system is more little, atmospheric pressure is to the produced pressure of closing plate, with the inside vacuum of negative pressure system to the produced pressure sum of closing plate, be less than the spring to the produced elasticity of closing plate, the spring will be in the same place the tight and guide tube pressure of closing plate through elasticity, outside atmosphere can not get into the inside of negative pressure system. When the vacuum degree in the negative pressure system is gradually increased, the sum of the pressure generated by the atmosphere on the sealing plate and the pressure generated by the vacuum degree on the sealing plate is larger than the elastic force generated by the spring on the sealing plate, at the moment, the vacuum degree in the system is close to the rated vacuum degree, the sealing plate is jacked open by the atmospheric pressure to enter air, the vacuum degree in the system is ensured not to exceed the rated vacuum degree, and in order to ensure that the sealing plate is uniformly opened and closed, a cross-shaped structure is welded at the top of the sealing plate, and the guide tube is guided to move.
The application provides a non-maintaining vacuum valve structure, simple structure is reasonable, installation convenient to use. Because the structure has no wearing parts, the maintenance is not needed in the use process. Meanwhile, the structure is stable in action, has no impact, is reliable in performance, and can determine that the vacuum degree in the negative pressure system does not exceed the rated vacuum degree. Is worthy of large-area popularization and application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. A maintenance-free vacuum valve structure, comprising:
the support comprises a bottom plate and a plurality of stand columns which are connected;
the upper end and the lower end of the guide pipe are both open, a connecting flange fixedly connected with the guide pipe is sleeved on the outer side of the guide pipe, one end of the guide pipe is positioned in the support, and the lower surface of the connecting flange is fixedly connected with the stand columns;
the sealing plate is positioned in the bracket and positioned at the lower part of the guide pipe, and the sealing plate is connected with the bottom plate through a spring;
the connecting flange is used for realizing connection with a negative pressure pipeline, and the spring is used for providing an upward acting force for the sealing plate so as to ensure that the upper surface of the sealing plate is abutted against the end face of the guide pipe.
2. The maintenance-free vacuum valve structure of claim 1, wherein a spring pressure plate is connected to the lower portion of the spring; the bottom plate is provided with a threaded hole, a bolt is arranged in the threaded hole, and the bolt is connected with the spring pressing plate; the bolt is used for realizing the adjustment of the tightness of the spring.
3. The maintenance-free vacuum valve structure of claim 1, wherein a cross guide is connected to an upper portion of the sealing plate, and the cross guide is located inside the guide tube.
4. The maintenance-free vacuum valve structure of claim 1, wherein a rain cap is connected to an end of the guide tube away from the sealing plate.
5. The maintenance-free vacuum valve structure of claim 4, wherein the rain hat is connected to the guide pipe through a rain hat bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227601.0U CN210196572U (en) | 2019-08-01 | 2019-08-01 | Maintenance-free vacuum valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921227601.0U CN210196572U (en) | 2019-08-01 | 2019-08-01 | Maintenance-free vacuum valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196572U true CN210196572U (en) | 2020-03-27 |
Family
ID=69865423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921227601.0U Expired - Fee Related CN210196572U (en) | 2019-08-01 | 2019-08-01 | Maintenance-free vacuum valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503397A (en) * | 2021-08-18 | 2021-10-15 | 李燕彬 | Vacuum faucet |
-
2019
- 2019-08-01 CN CN201921227601.0U patent/CN210196572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503397A (en) * | 2021-08-18 | 2021-10-15 | 李燕彬 | Vacuum faucet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200327 Termination date: 20210801 |