CN211738073U - Effectively reduce slide valve of wearing and tearing - Google Patents
Effectively reduce slide valve of wearing and tearing Download PDFInfo
- Publication number
- CN211738073U CN211738073U CN202020280682.7U CN202020280682U CN211738073U CN 211738073 U CN211738073 U CN 211738073U CN 202020280682 U CN202020280682 U CN 202020280682U CN 211738073 U CN211738073 U CN 211738073U
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- valve
- valve plate
- iron core
- movable frame
- shell
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Abstract
A gate valve capable of effectively reducing abrasion relates to the field of manufacturing and processing, and comprises a hand wheel, a screw rod, a valve plate, a valve shell and two movable frames, wherein the movable frames are positioned in an air channel opening, the valve plate is positioned between the two movable frames, and a sealing rubber strip is arranged between the movable frames and the valve plate; the movable frame is provided with a groove positioning hole, an iron core is additionally arranged on the groove positioning hole, and a reset spring is sleeved on the iron core; an electromagnet is arranged on the valve shell corresponding to the position of the iron core; when the valve is closed, the electromagnet does not work, and the reset spring presses the movable frame on the valve plate to achieve a sealing effect; when the valve is opened or closed, the electromagnet starts to work, and the movable frame is moved to the direction far away from the valve plate through the attraction iron core. Can change the inseparable degree between valve plate and valve casing when can realizing the switch valve to the wearing and tearing that cause when reducing the switch under the circumstances of guaranteeing the valve normal function reduce the frequency of changing the adhesive tape, prolong the life of push-pull valve.
Description
Technical Field
The utility model relates to a make the processing field, especially relate to an effective reduce wear's push-pull valve.
Background
The gate valve is a structure often used in the field of processing and manufacturing, particularly in processing occasions where gas needs to be subjected to sealing treatment. Frequent opening and closing and dust in the air passage can aggravate the abrasion of the valve rubber strip, reduce the service life of the valve and increase the factory cost. Reducing wear by changing the valve structure can reduce considerable expense in situations where the valve is used in large quantities.
When the valve is opened or closed, the friction parts are mainly the rubber strip on the valve and the shell of the valve. In order to ensure the sealing performance of the valve, the fit between the valve rubber strip and the shell is generally interference fit, and the tighter the fit is, the larger the abrasion of the valve during opening and closing is. Simultaneously, when the valve switch, the gate valve no longer need guarantee the leakproofness of both sides pipeline this moment in theory, only need guarantee in the pipeline with the pipeline outside the leakproofness, meaning too tight interference fit is unnecessary this moment, therefore this too tight interference fit has increased the meaningless wearing and tearing of valve, because wearing and tearing are too big during the gate valve switch after the time is long, can influence the leakproofness of valve, seriously influence the use of gate valve, need frequently change the adhesive tape, also can reduce the life-span of valve simultaneously.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem among the prior art, provide an effective reducing wear's push-pull valve, the inseparable relation of cooperation between adjustable valve and the shell to seal structure wearing and tearing too big problem when solving the valve switch.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a gate valve capable of effectively reducing abrasion comprises a hand wheel, a screw rod, a valve plate and a valve shell, wherein the valve shell comprises a front valve shell and a rear valve shell, the front valve shell and the rear valve shell are assembled to form an air channel opening, the valve plate is positioned between the front valve shell and the rear valve shell, namely in the air channel opening, and the hand wheel is connected with the valve plate through the screw rod to open or close the air channel opening; the sealing device also comprises two movable frames, wherein the movable frames are positioned in the air channel opening, the valve plate is positioned between the two movable frames, and a sealing rubber strip is arranged between the movable frames and the valve plate; the movable frame is provided with a groove positioning hole, an iron core is additionally arranged on the groove positioning hole, and a reset spring is sleeved on the iron core; an electromagnet is arranged on the valve shell corresponding to the position of the iron core; when the valve is closed, the electromagnet does not work, and the reset spring presses the movable frame on the valve plate to achieve a sealing effect; when the valve is opened or closed, the electromagnet starts to work, and the movable frame is moved to the direction far away from the valve plate through the attraction iron core.
Two sides of the air channel opening are provided with two-way guide rails, and the two-way guide rails are provided with vertical groove rails for the valve plate to move up and down and transverse groove rails for the movable frame to move back and forth; the two sides of the valve plate are inserted in the vertical groove rails, and the two sides of the movable frame are provided with protruding parts inserted in the transverse groove rails.
Two rows of fixing seats are arranged on the bidirectional guide rail; a first gap is arranged between the two rows of fixed seats and is linearly arranged to form the vertical groove track; and a second gap is arranged between the fixed seats in the adjacent rows, and the second gap forms the transverse groove track.
The iron core is equipped with 8, installs respectively in the four corners department of two movable frames, correspondingly, the electro-magnet is equipped with 8, installs respectively in the four corners department of preceding valve casing and back valve casing.
One side of the movable frame facing the valve plate is provided with a sealing groove, and the sealing rubber strip is arranged in the sealing groove.
Compared with the prior art, the utility model discloses technical scheme obtains beneficial effect is:
1. the utility model discloses increase two movable frames between valve plate both sides and valve shell, establish reset spring cover on the iron core and utilize the electro-magnet as the drive, can change the inseparable degree between valve plate and valve shell when can realizing the switch valve to the wearing and tearing that cause when guaranteeing to reduce the switch under the condition of valve normal function reduce the frequency of changing the adhesive tape, prolong the life of push-pull valve.
2. The utility model discloses use the electro-magnet drive, simple structure, it is easy and simple to handle, can realize the function simply, need not too much part, it is also very convenient to install and maintain.
3. The utility model discloses can work in the air flue scene that most work atmospheric pressure is not very big to through the wearing and tearing that reduce the valve adhesive tape extension valve life, reduce the cost of mill widely.
Drawings
Fig. 1 is one of the overall structural diagrams of the present invention;
fig. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of a movable frame facing a side of a valve housing;
FIG. 4 is a schematic structural view of a movable frame facing a side of a valve plate;
fig. 5 is a schematic structural view of the bidirectional guide rail.
Reference numerals: the device comprises a hand wheel 1, a screw rod 2, a support 3, a valve plate 4, a movable frame 5, a valve shell 6, an electromagnet 7, a reset spring 8, an iron core 9, a two-way guide rail 10, a sealing groove 51, a protruding part 52, a groove positioning hole 53, a fixed seat 11, a transverse groove rail 101 and a vertical groove rail 102.
Detailed Description
In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention clearer and more obvious, the following description is made in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1-4, the embodiment of the present invention includes a handwheel 1, a screw rod 2, a bracket 3, a valve plate 4, a valve shell 6, and a movable frame 5;
the valve shell 6 comprises a front valve shell and a rear valve shell, the front valve shell and the rear valve shell are assembled to form an air channel opening, the valve plate 4 is positioned between the front valve shell and the rear valve shell, namely in the air channel opening, and the hand wheel 1 is connected with the valve plate 4 through the screw rod 2 to open or close the air channel opening;
the number of the movable frames 5 is two, the movable frames 5 are located in an air channel opening, the valve plate 4 is located between the two movable frames 5, and a sealing rubber strip is installed between the movable frames 5 and the valve plate 4, specifically, a sealing groove 51 is formed in one side of each movable frame 5, which faces the valve plate 4, and the sealing rubber strip is installed in the sealing groove 51;
the movable frame 5 is provided with a groove positioning hole 53, an iron core 9 is additionally arranged on the groove positioning hole 53, and the iron core 9 is sleeved with a reset spring 8; an electromagnet 7 is arranged on the valve shell 6 corresponding to the iron core 9; when the valve is closed, the electromagnet 7 does not work, and the return spring 8 presses the movable frame 5 on the valve plate 4 to achieve a sealing effect; when the valve is opened or closed, the electromagnet 7 starts to operate, and the movable frame 5 is moved in a direction away from the valve plate 4 by attracting the iron core 9.
As shown in fig. 1 and 5, two sides of the air channel opening are provided with two-way guide rails 10, and the two-way guide rails 10 are provided with a vertical groove rail 102 for the valve plate 4 to move up and down and a transverse groove rail 101 for the movable frame 5 to move back and forth;
specifically, two rows of the fixing seats 11 are arranged on the bidirectional guide rail 10;
a first gap is arranged between the two rows of fixed seats 11, the first gap is linearly arranged to form the vertical groove rail 102, and two sides of the valve plate 4 are inserted into the vertical groove rail 102 to move up and down along the vertical groove rail 102;
a second gap is arranged between the fixed seats 11 in the adjacent rows, and the second gap forms the transverse groove track 101; the two sides of the two movable frames 5 are respectively provided with a protruding part 52 inserted in the transverse groove track 101, so that the two movable frames 5 respectively move back and forth along the horizontal transverse groove track 101 on the two sides of the valve plate 4, and the protruding parts 52 can ensure that the movable frames 5 stably move along the transverse groove track 101.
In this embodiment, the number of the iron cores 9 is 8, and the iron cores are respectively installed at four corners of the two movable frames 5, and correspondingly, the number of the electromagnets 7 is 8, and the electromagnets are respectively installed at four corners of the front valve shell 6 and the rear valve shell 6.
The material of the valve can be selected from different materials according to the conditions of pressure intensity, temperature, dust concentration, whether the gas is corrosive and the like in the air passage, and generally, the valve is made of steel materials commonly used in engineering.
The working principle of the utility model is as follows:
1. when the valve is closed, the electromagnet 7 does not work, and the return spring 8 tightly presses the movable frame 5 on the valve plate 4 to achieve the sealing effect; it should be noted that at this time, the sealing rubber strip between the movable frame 5 and the valve plate 4 is still in a pressed interference fit state;
2. when the valve is opened and closed, the electromagnet 7 starts to work, the movable frame 5 is pulled away from the valve plate 4 by a small distance through the attraction iron core 9, the interference fit between the sealing rubber strip on the movable frame 5 and the valve plate 4 is slightly released, and the abrasion phenomenon of the sealing rubber strip before the valve is released is inevitably improved;
3. in most cases of practical application, the pipeline valve should ensure that gas and dust in the air passage cannot leak, which requires that the fit between the movable frame 5 and the valve plate 4 is still interference fit even if the fit is slightly loosened. Since sealing and wear reduction are contradictory in the design of a gate valve, a balance point should be sought between these two functions. In practical application, the attractive force of the electromagnet 7 can be adjusted according to specific requirements to achieve the most economical and ideal working state.
Claims (5)
1. A gate valve capable of effectively reducing abrasion comprises a hand wheel, a screw rod, a valve plate and a valve shell, wherein the valve shell comprises a front valve shell and a rear valve shell, the front valve shell and the rear valve shell are assembled to form an air channel opening, the valve plate is positioned between the front valve shell and the rear valve shell, namely in the air channel opening, and the hand wheel is connected with the valve plate through the screw rod to open or close the air channel opening; the method is characterized in that: the sealing device also comprises two movable frames, wherein the movable frames are positioned in the air channel opening, the valve plate is positioned between the two movable frames, and a sealing rubber strip is arranged between the movable frames and the valve plate; the movable frame is provided with a groove positioning hole, an iron core is additionally arranged on the groove positioning hole, and a reset spring is sleeved on the iron core; an electromagnet is arranged on the valve shell corresponding to the position of the iron core; when the valve is closed, the electromagnet does not work, and the reset spring presses the movable frame on the valve plate to achieve a sealing effect; when the valve is opened or closed, the electromagnet starts to work, and the movable frame is moved to the direction far away from the valve plate through the attraction iron core.
2. A gate valve effective in reducing wear according to claim 1, wherein: two sides of the air channel opening are provided with two-way guide rails, and the two-way guide rails are provided with vertical groove rails for the valve plate to move up and down and transverse groove rails for the movable frame to move back and forth; the two sides of the valve plate are inserted in the vertical groove rails, and the two sides of the movable frame are provided with protruding parts inserted in the transverse groove rails.
3. A gate valve effective in reducing wear according to claim 2 wherein: two rows of fixing seats are arranged on the bidirectional guide rail; a first gap is arranged between the two rows of fixed seats and is linearly arranged to form the vertical groove track; and a second gap is arranged between the fixed seats in the adjacent rows, and the second gap forms the transverse groove track.
4. A gate valve effective in reducing wear according to claim 1, wherein: the iron core is equipped with 8, installs respectively in the four corners department of two movable frames, correspondingly, the electro-magnet is equipped with 8, installs respectively in the four corners department of preceding valve casing and back valve casing.
5. A gate valve effective in reducing wear according to claim 1, wherein: one side of the movable frame facing the valve plate is provided with a sealing groove, and the sealing rubber strip is arranged in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280682.7U CN211738073U (en) | 2020-03-09 | 2020-03-09 | Effectively reduce slide valve of wearing and tearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280682.7U CN211738073U (en) | 2020-03-09 | 2020-03-09 | Effectively reduce slide valve of wearing and tearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738073U true CN211738073U (en) | 2020-10-23 |
Family
ID=72857201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020280682.7U Expired - Fee Related CN211738073U (en) | 2020-03-09 | 2020-03-09 | Effectively reduce slide valve of wearing and tearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211738073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237493A (en) * | 2020-03-09 | 2020-06-05 | 厦门大学 | Effectively reduce slide valve of wearing and tearing |
-
2020
- 2020-03-09 CN CN202020280682.7U patent/CN211738073U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237493A (en) * | 2020-03-09 | 2020-06-05 | 厦门大学 | Effectively reduce slide valve of wearing and tearing |
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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: 20201023 |