CN219159614U - Special check valve mechanism for vacuum pump - Google Patents

Special check valve mechanism for vacuum pump Download PDF

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Publication number
CN219159614U
CN219159614U CN202223596281.0U CN202223596281U CN219159614U CN 219159614 U CN219159614 U CN 219159614U CN 202223596281 U CN202223596281 U CN 202223596281U CN 219159614 U CN219159614 U CN 219159614U
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valve
pipe
vacuum pump
cover
valve body
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CN202223596281.0U
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李小军
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Shanghai Ruisheng Chemical Technology Co ltd
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Shanghai Ruisheng Chemical Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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Abstract

The utility model discloses a special one-way valve mechanism for a vacuum pump, which comprises a connecting valve body, wherein a connecting valve cover is movably arranged on the right side of the connecting valve body, a valve block mechanism is arranged in an inner cavity of the connecting valve cover, a guide block is fixedly connected to the inner cavity of the connecting valve body, a mounting pipe is communicated with the left side of the connecting valve body, and a connecting pipe is communicated with the right side of the connecting valve cover. According to the utility model, the check valve can be tightly installed through the cooperation of the installation pipe, the connecting pipe, the pump body installation pipe, the first thread bush, the sealing gasket and the connecting cover, so that the tightness of the check valve can be ensured during use, the check valve can still be normally used after long-time use, and the air flow can be filtered through the cooperation of the second thread bush, the filtering frame, the installation plate, the positioning rod and the positioning bush, so that the fact that the debris impurities are doped in the air flow can be prevented, and the operation of the air inlet equipment caused by the debris impurities is prevented.

Description

Special check valve mechanism for vacuum pump
Technical Field
The utility model relates to the technical field of vacuum pumps, in particular to a special one-way valve mechanism for a vacuum pump.
Background
The vacuum pump is a device or equipment for pumping air from a pumped container by using a mechanical, physical, chemical or physicochemical method, and is a device for improving, generating and maintaining vacuum in a certain enclosed space by using various methods, and according to the working principle of the vacuum pump, the vacuum pump basically can be divided into two types, namely a gas trapping pump and a gas transmission pump, which are widely used in industries such as metallurgy, chemical industry, food, electronic coating and the like, and a one-way valve mechanism is used for carrying out material transmission when the vacuum pump is used.
The utility model patent of patent application publication number CN213831656U discloses a novel special check valve of mechanical vacuum pump, including the inferior half shell, inferior half shell medial surface is connected with the snap ring, inferior half shell is connected with the epitheca through the plastics welding of snap ring, one end that inferior half shell kept away from the epitheca is connected with the joint of giving vent to anger, all be provided with the bamboo joint barb on the surface that the joint of giving vent to anger was connected with, the inboard of inferior half shell has the spring mounting groove, be connected with the spring assembly muscle in this spring mounting groove, this spring assembly muscle has six, install the spring between spring mounting groove outside the spring assembly muscle, it can realize can satisfying the requirement of vacuum booster system to the vacuum, can be used for the unidirectional connection between mechanical vacuum pump and the vacuum booster again, the cost is reduced, the security has been increased.
However, the device still has some drawbacks in practical use, and obviously, the device generally does not have the function of filtering the air flow when in use, impurities or fragments are easy to be doped in the air flow when in air flow transmission, and if the air flow is not processed, the air inlet equipment can be possibly failed, and when the check valve is installed, the check valve is usually installed by screwing a bolt, so that after long-term use, the leakage phenomenon is easy to occur.
Therefore, it is necessary to invent a check valve mechanism dedicated for a vacuum pump to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a special one-way valve mechanism for a vacuum pump, which has the advantages of capability of filtering air flow and good sealing property, and solves the problems that the one-way valve mechanism generally does not have the function of filtering air flow when in use and only adopts a bolt screwing installation mode when installing the one-way valve.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special check valve mechanism of vacuum pump, is including connecting the valve body, the right side activity of connecting the valve body is provided with the connection valve gap, the inner chamber of connecting the valve gap is provided with valve block mechanism, the inner chamber fixedly connected with guide block of connecting the valve body, the left side intercommunication of connecting the valve body has the installation pipe, the right side intercommunication of connecting the valve gap has the connecting pipe, the surface of installation pipe is provided with coupling mechanism, the right side of connecting pipe is provided with filtering mechanism, the second thread bush is installed through the bearing in the left side of connecting the valve body, the left side fixedly connected with threaded rod of connecting the valve gap.
Preferably, the valve block mechanism comprises a mounting frame, the right side of the mounting frame is fixedly connected with the inner wall of the connecting valve cover, a spring is welded in an inner cavity of the mounting frame, a valve block is movably sleeved on the surface of the mounting frame, a valve rod is welded on the left side of the spring, and the left side of the valve rod penetrates through the outer side of the mounting frame and is welded with the valve block.
Preferably, the connecting mechanism comprises a pump body installation tube, the surface of the installation tube is sleeved with a pump body installation tube, a first thread sleeve is welded on the right side of the pump body installation tube, a sealing gasket is fixedly connected with an inner cavity of the first thread sleeve, a connecting cover is arranged on the surface of the connecting valve body through a bearing, and the connecting part of the surface of the first thread sleeve and the inner wall of the connecting cover is in threaded connection.
Preferably, the filtering mechanism comprises a connecting plate, the left side and the connecting pipe fixed connection of connecting plate, the left side fixedly connected with spacer sleeve of connecting plate, the inner chamber activity of connecting pipe is provided with the filter frame, the inner chamber activity of connecting plate is provided with the mounting panel, the mounting panel is close to one side and the filter frame welding of filter frame, the left side welding of mounting panel has the locating lever.
Preferably, the connection part between the surface of the threaded rod and the inner wall of the second thread bush is in threaded connection, and the right side of the connecting valve cover is provided with a vent hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the check valve can be tightly installed through the matching of the installation pipe, the connecting pipe, the pump body installation pipe, the first thread bush, the sealing gasket and the connecting cover, so that the tightness of the check valve can be ensured when the check valve is used, and the check valve can still be normally used after long-time use.
2. According to the utility model, through the cooperation of the second threaded sleeve, the filtering frame, the mounting plate, the positioning rod and the positioning sleeve, the air flow can be filtered, and the fact that the dust impurities are doped in the air flow is prevented, so that the dust impurities are prevented from running on the air inlet equipment.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic exploded view in cross-section of a valve block mechanism of the present utility model;
FIG. 3 is a schematic exploded view in cross-section of the coupling mechanism of the present utility model;
FIG. 4 is a schematic exploded view in cross-section of the filtration mechanism of the present utility model;
fig. 5 is a schematic front view of the structure of the present utility model.
In the figure: the valve comprises a connecting valve body 1, a connecting valve cover 2, a guide block 3, a valve block mechanism 4, a connecting mechanism 5, a mounting tube 6, a connecting tube 7, a filtering mechanism 8, a mounting frame 9, a spring 10, a valve block 11, a valve rod 12, a pump body mounting tube 13, a first thread bush 14, a sealing gasket 15, a connecting cover 16, a second thread bush 17, a threaded rod 18, a connecting plate 19, a filtering frame 20, a mounting plate 21, a positioning rod 22 and a positioning sleeve 23.
Detailed Description
Referring to fig. 1-5, a special check valve mechanism for a vacuum pump comprises a connecting valve body 1, a connecting valve cover 2 is movably arranged on the right side of the connecting valve body 1, a valve block mechanism 4 is arranged in an inner cavity of the connecting valve cover 2, a guide block 3 is fixedly connected to the inner cavity of the connecting valve body 1, a mounting pipe 6 is communicated with the left side of the connecting valve body 1, a connecting pipe 7 is communicated with the right side of the connecting valve cover 2, a connecting mechanism 5 is arranged on the surface of the mounting pipe 6, a filtering mechanism 8 is arranged on the right side of the connecting pipe 7, a second thread bush 17 is arranged on the left side of the connecting valve body 1 through a bearing, a threaded rod 18 is fixedly connected with the left side of the connecting valve cover 2, and air flow can be guided through the guide block 3, so that the valve block 11 is used, the connecting valve body 1 and the connecting valve cover 2 are convenient to connect through the cooperation of the threaded rod 18 and the connecting plate 19, and meanwhile, and the disassembly and maintenance are convenient in the later stage.
The valve block mechanism 4 comprises a mounting frame 9, the right side of the mounting frame 9 is fixedly connected with the inner wall of the connecting valve cover 2, a spring 10 is welded in the inner cavity of the mounting frame 9, a valve block 11 is movably sleeved on the surface of the mounting frame 9, a valve rod 12 is welded on the left side of the spring 10, and the left side of the valve rod 12 penetrates through the outer side of the mounting frame 9 and is welded with the valve block 11.
The coupling mechanism 5 includes pump body installation tube 13, and the surface of installation tube 6 is located to pump body installation tube 13 thread bush, and the right side welding of pump body installation tube 13 has first thread bush 14, and the inner chamber fixedly connected with of first thread bush 14 is sealed fills up 15, and the junction of connecting the surface of valve body 1 and 16 inner walls is threaded connection through the bearing installation, and through setting up sealed pad 15, can increase the leakproofness of check valve with first thread bush 14 cooperation to the phenomenon that has the leakage after long-time use appears.
The filtering mechanism 8 comprises a connecting plate 19, the left side of the connecting plate 19 is fixedly connected with a connecting pipe 7, a positioning sleeve 23 is fixedly connected to the left side of the connecting plate 19, a filtering frame 20 is movably arranged in an inner cavity of the connecting pipe 7, a mounting plate 21 is movably arranged in the inner cavity of the connecting plate 19, one side, close to the filtering frame 20, of the mounting plate 21 is welded with the filtering frame 20, a positioning rod 22 is welded to the left side of the mounting plate 21, and the positioning rod is limited by arranging the mounting plate 21 so as to prevent the filtering frame 20 from shaking in the connecting pipe 7.
The surface of the threaded rod 18 is in threaded connection with the connecting part of the inner wall of the second thread bush 17, and the right side of the connecting valve cover 2 is provided with a vent hole.
When the filter is used, a user installs the check valve firstly, the user screws the installation tube 6 into the pump body installation tube 13 through threaded connection, the first threaded sleeve 14 enters the connecting cover 16 when the installation tube 6 enters the pump body installation tube 13, then the user rotates the connecting cover 16, the connecting cover 16 can be tightly connected with the first threaded sleeve 14 through threaded connection, the tightness of the check valve is increased through the cooperation of the check valve and the sealing gasket 15, after the completion, the user installs the filter frame 20 again, the user installs the installation plate 21 into the connecting plate 19 through the filter frame 20, the installation plate 21 drives the positioning rod 22 to be inserted into the positioning sleeve 23 when the installation plate 21 enters the connecting plate 19, the positioning sleeve 23 can limit the positioning rod 22, the filter frame 20 is limited, so that the filter frame 20 is prevented from falling off from the connecting tube 7, then the air outlet end of the connecting tube 7 is communicated with the air inlet end of the air inlet device, the vacuum pump guides air flow into the installation tube 6 through the installation tube 13, then the installation tube 6 is guided into the air flow guide block 1 through the installation tube, the air flow is guided into the valve body 1 through the air inlet end of the air inlet device, the air flow is guided into the valve body through the air guide block 1, the air flow is guided into the valve body through the air inlet device, and then the filter frame 2 is moved into the air inlet valve body through the air inlet device, and the filter cover 2 is simultaneously, and the filter valve cover is prevented from being connected into the air inlet device, and the filter valve cover is positioned in the air valve body is connected with the air valve body through the filter body, and the filter cover is subjected to filter body is subjected to filter opening, and the filter is subjected to filter treatment.
To sum up: the special check valve mechanism for the vacuum pump solves the problems that the check valve mechanism generally does not have the function of filtering air flow when in use and generally only adopts a bolt screwing installation mode when the check valve is installed by matching the installation tube 6, the connecting tube 7, the pump body installation tube 13, the first thread bush 14, the sealing gasket 15, the connecting cover 16, the second thread bush 17, the filter frame 20, the installation plate 21, the positioning rod 22 and the positioning bush 23.

Claims (5)

1. The utility model provides a special check valve mechanism of vacuum pump, includes connection valve body (1), its characterized in that: the right side activity of connecting valve body (1) is provided with and connects valve gap (2), the inner chamber of connecting valve gap (2) is provided with valve piece mechanism (4), the inner chamber fixedly connected with guide block (3) of connecting valve body (1), the left side intercommunication of connecting valve body (1) has install tube (6), the right side intercommunication of connecting valve gap (2) has connecting pipe (7), the surface of installing tube (6) is provided with coupling mechanism (5), the right side of connecting pipe (7) is provided with filtering mechanism (8), the left side of connecting valve body (1) is installed second thread bush (17) through the bearing, the left side fixedly connected with threaded rod (18) of connecting valve gap (2).
2. The unidirectional valve mechanism for a vacuum pump of claim 1, wherein: the valve block mechanism (4) comprises a mounting frame (9), the right side of the mounting frame (9) is fixedly connected with the inner wall of the connecting valve cover (2), a spring (10) is welded in an inner cavity of the mounting frame (9), a valve block (11) is movably sleeved on the surface of the mounting frame (9), a valve rod (12) is welded on the left side of the spring (10), and the left side of the valve rod (12) penetrates through the outer side of the mounting frame (9) and is welded with the valve block (11).
3. The unidirectional valve mechanism for a vacuum pump of claim 1, wherein: coupling mechanism (5) are including pump body installation pipe (13), the surface of installation pipe (6) is located to pump body installation pipe (13) thread bush, the right side welding of pump body installation pipe (13) has first thread bush (14), the inner chamber fixedly connected with of first thread bush (14) is sealed to be filled up (15), connecting cover (16) are installed through the bearing on the surface of connecting valve body (1), the junction of the surface of first thread bush (14) and connecting cover (16) inner wall is threaded connection.
4. The unidirectional valve mechanism for a vacuum pump of claim 1, wherein: the filtering mechanism (8) comprises a connecting plate (19), the left side of the connecting plate (19) is fixedly connected with a connecting pipe (7), a locating sleeve (23) is fixedly connected to the left side of the connecting plate (19), a filtering frame (20) is movably arranged in an inner cavity of the connecting pipe (7), a mounting plate (21) is movably arranged in the inner cavity of the connecting plate (19), one side, close to the filtering frame (20), of the mounting plate (21) is welded with the filtering frame (20), and a locating rod (22) is welded to the left side of the mounting plate (21).
5. The unidirectional valve mechanism for a vacuum pump of claim 1, wherein: the surface of the threaded rod (18) is in threaded connection with the connecting part of the inner wall of the second threaded sleeve (17), and the right side of the connecting valve cover (2) is provided with a vent hole.
CN202223596281.0U 2022-12-31 2022-12-31 Special check valve mechanism for vacuum pump Active CN219159614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223596281.0U CN219159614U (en) 2022-12-31 2022-12-31 Special check valve mechanism for vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223596281.0U CN219159614U (en) 2022-12-31 2022-12-31 Special check valve mechanism for vacuum pump

Publications (1)

Publication Number Publication Date
CN219159614U true CN219159614U (en) 2023-06-09

Family

ID=86616041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223596281.0U Active CN219159614U (en) 2022-12-31 2022-12-31 Special check valve mechanism for vacuum pump

Country Status (1)

Country Link
CN (1) CN219159614U (en)

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