CN210830619U - High-performance low-noise silencing check valve - Google Patents
High-performance low-noise silencing check valve Download PDFInfo
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- CN210830619U CN210830619U CN201921708267.0U CN201921708267U CN210830619U CN 210830619 U CN210830619 U CN 210830619U CN 201921708267 U CN201921708267 U CN 201921708267U CN 210830619 U CN210830619 U CN 210830619U
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Abstract
The utility model discloses a high performance low noise elimination check valve, including the thick pipe, the cavity has all been seted up to the left and right sides of thick pipe, the inside of cavity is equipped with the connecting rod, the upper and lower all is connected with the flange of connecting rod, the clamp has first rubber pad between flange and the thick pipe. This high performance low noise elimination check valve, through the flange, the thick pipe, the cooperation between threaded rod and the screwed pipe, make this high performance low noise elimination check valve can carry out the split, and in the effect of first rubber pad, can avoid the thick pipe vibrations to drive the flange vibrations, consequently this high performance low noise elimination check valve's vibrations can not drive external pipeline vibrations, the sound of avoiding vibrations is propagated through external pipeline, great reduction the noise that this high performance low noise elimination check valve produced, this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid because the normal operation of the external operation personnel of check valve vibrations sound production influence.
Description
Technical Field
The utility model relates to a check valve technical field specifically is a high performance low noise elimination check valve.
Background
The check valve of this type only allows the medium to flow to a direction, and prevent the opposite direction flow, usually this kind of valve is automatic work, under the fluid pressure effect that a direction flows, the valve clack is opened, when fluid flows in the opposite direction, by fluid pressure and the dead weight of valve clack close the valve clack and act on the disk seat, thereby cut off the flow, but the check valve among the prior art is in the in-process of using, because the friction appears between liquid and the valve body inside and drive the valve body vibrations to take place, and the valve body will be given vibrations and transmit outside pipeline, and then make the noise of valve body grow, very influence the normal work of operating personnel on every side, therefore the prior art can't satisfy people's user demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high performance low noise elimination check valve to the in-process that provides the check valve among the prior art in solving above-mentioned background art and using, because the friction appears between liquid and the valve body is inside and drive the valve body vibrations and take place, and the valve body can transmit the vibrations for external pipeline, and then makes the noise grow of valve body, very influences the problem of operation personnel's normal operation on every side.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high performance low noise elimination check valve, includes the thick pipe, the cavity has all been seted up to the left and right sides of thick pipe, the inside of cavity is equipped with the connecting rod, the upper and lower of connecting rod all is connected with the flange, the clamp has first rubber pad between flange and the thick pipe, is located the top and transfers the equal rigid coupling in bottom of flange has the second rubber pad, the outside of connecting rod is equipped with adjusting part, the inside of thick pipe is equipped with non return mechanism.
Preferably, non return mechanism includes standpipe, retaining ring and plectane, the equal rigid coupling in the left and right sides of standpipe has first support, the outer side end of first support is in the same place with the inner wall rigid coupling of thick pipe, the inner wall clearance fit of standpipe has the montant, the top of montant is in the same place with the bottom rigid coupling of plectane, the outer wall top rigid coupling of plectane has the rubber slab, the top of rubber slab supports tightly with the bottom of retaining ring mutually, the outer wall of retaining ring is in the same place with the inner wall top rigid coupling of thick pipe, the bottom rigid coupling of montant has the spring, the bottom rigid coupling of spring has the bottom plate, the equal rigid coupling in the left and right sides of bottom plate has the second support, two the outer side end of second support is in the same place with the inner wall left and right sides rigid.
Preferably, the bottom of the bottom plate is flush with the bottom of the second bracket.
Preferably, the connecting rod includes screwed pipe, threaded rod and gear, equal threaded connection has the threaded rod about the inner wall of screwed pipe, the end and the flange rigid coupling of threaded rod are in the same place, the outer wall of screwed pipe is in the same place with the inner wall rigid coupling of gear, equal rigid coupling has the bearing about the outer wall of screwed pipe, the outer wall right side rigid coupling of bearing has the third support, the right side of third support is in the same place with the inboard rigid coupling of cavity.
Preferably, the adjusting part comprises a cover body, a thick rod and a bolt, the inner side of the cover body is tightly abutted to the outer side of the thick pipe, the cover body is fixed with the thick pipe through the bolt, the cover body is rotationally connected with the thick rod through a pin shaft, the outer wall of the pin shaft is provided with rubber rings in an interference fit manner, the two sides of each rubber ring are tightly abutted to the cover body and the thick rod respectively, and the outer wall of the thick rod is meshed with the gear.
Preferably, the outer side of the thick tube is flush with the outer side of the cover body.
Compared with the prior art, the beneficial effects of the utility model are that: this high performance low noise elimination check valve, through the flange, the thick pipe, the cooperation between threaded rod and the screwed pipe, make this high performance low noise elimination check valve can carry out the split, and the effect at first rubber pad, can avoid the thick pipe vibrations to drive the flange vibrations, consequently this high performance low noise elimination check valve's vibrations can not drive external pipeline vibrations, the sound of avoiding vibrations propagates through external pipeline, great reduction the noise that this high performance low noise elimination check valve produced, this high performance low noise elimination check valve operation is effectual, the practicality is stronger, avoid because the external operation personnel normal operating of check valve vibrations sound production influence, so this high performance low noise elimination check valve can be better satisfy people's use needs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view showing the connection of the threaded pipe, the gear and the thick rod of FIG. 2;
fig. 4 is a schematic view of a connection relationship between the cover, the bolt and the pin in fig. 3.
In the figure: 1. non-return mechanism, 101, bottom plate, 102, spring, 103, second support, 104, vertical rod, 105, standpipe, 106, first support, 107, circular plate, 108, rubber plate, 109, retaining ring, 2, connecting rod, 201, threaded pipe, 202, threaded rod, 203, gear, 204, bearing, 205, third support, 3, adjusting component, 301, cover, 302, bolt, 303, pin shaft, 304, thick rod, 305, rubber ring, 4, thick pipe, 5, flange, 6, second rubber pad, 7, first rubber pad, 8, cavity.
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 without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high performance low noise elimination check valve, including the thick pipe 4, cavity 8 has all been seted up to the left and right sides of thick pipe 4, the inside of cavity 8 is equipped with connecting rod 2, connecting rod 2 all is connected with flange 5 from top to bottom, be convenient for link to each other this high performance low noise elimination check valve with external pipeline through flange 5, it has first rubber pad 7 to clamp between flange 5 and the thick pipe 4, first rubber pad 7 can prevent that flange 5 from driving thick pipe 4 vibrations, the equal rigid coupling in the bottom of the top of the flange 5 that is located the top and the flange 5 that is located the below has second rubber pad 6, second rubber pad 6 improves the leakproofness between flange 5 and the external pipeline, the outside of connecting rod 2 is equipped with adjusting part 3, the inside of thick pipe 4 is equipped with non return mechanism 1.
The non-return mechanism 1 comprises a vertical pipe 105, a check ring 109 and a circular plate 107, wherein the left side and the right side of the vertical pipe 105 are fixedly connected with a first support 106, the first support 106 plays a role in fixing the vertical pipe 105, the outer end of the first support 106 is fixedly connected with the inner wall of the thick pipe 4, the inner wall of the vertical pipe 105 is in clearance fit with the vertical rod 104, the vertical pipe 105 plays a role in limiting the vertical rod 104, the top of the vertical rod 104 is fixedly connected with the bottom of the circular plate 107, a rubber plate 108 is fixedly connected above the outer wall of the circular plate 107, the rubber plate 108 improves the sealing property between the circular plate 107 and the check ring 109, the top of the rubber plate 108 is tightly abutted against the bottom of the check ring 109, the outer wall of the check ring 109 is fixedly connected with the upper part of the inner wall of the thick pipe 4, the bottom of the vertical rod 104 is fixedly connected with a spring 102, the spring 102 gives the vertical rod 104 an elastic, the left and right sides of bottom plate 101 all is rigid coupling have second support 103, and second support 103 plays fixed effect to bottom plate 101, and the outside end of two second supports 103 is in the same place with the inner wall left and right sides rigid coupling of flange 5 that is located the below respectively, and the bottom of bottom plate 101 is parallel and level with the bottom of second support 103.
Connecting rod 2 includes threaded pipe 201, threaded rod 202 and gear 203, equal threaded connection has threaded rod 202 about the inner wall of threaded pipe 201, cooperation through between threaded rod 202 and the threaded pipe 201, can play fixed effect to flange 5 and thick pipe 4, the end and the flange 5 rigid coupling of threaded rod 202 are in the same place, the outer wall of threaded pipe 201 is in the same place with the inner wall rigid coupling of gear 203, equal rigid coupling has bearing 204 about the outer wall of threaded pipe 201, bearing 204 and third support 205 play support and fixed effect to threaded pipe 201, the outer wall right side rigid coupling of bearing 204 has third support 205, the right side of third support 205 is in the same place with the inboard rigid coupling of cavity 8.
Adjusting part 3 includes lid 301, thick pole 304 and bolt 302, the inboard of lid 301 offsets tightly with the outside of thick pipe 4, lid 301 plays confined effect to the inside of cavity 8, lid 301 passes through bolt 302 and is in the same place with thick pipe 4 is fixed, lid 301 rotates with thick pole 304 through round pin axle 303 and links to each other, equal interference fit has rubber circle 305 from top to bottom on the outer wall of round pin axle 303, rubber circle 305 increases the friction between lid 301 and the thick pole 304, the both sides of rubber circle 305 offset tightly with lid 301 and thick pole 304 respectively, the outer wall and the gear 203 meshing of thick pole 304 are in the same place, it can drive screwed pipe 201 through gear 203 and rotate to rotate thick pole 304, and then play the effect of regulation to screwed pipe 201 and threaded rod 202, the outside of thick pipe 4 is leveled mutually with the outside of lid 301.
When the high-performance low-noise silencing check valve is used, a user rotates the thick rod 304, the thick rod 304 can drive the threaded pipe 201 to rotate through the matching with the gear 203, the threaded pipe 201 can drive the flange 5 to be close to the thick pipe 4 through the matching with the two threaded rods 202, and further the flange 5 plays a role in sealing the thick pipe 4 through the first rubber gasket 7, at the moment, the friction between the thick rod 304 and the cover body 301 is increased through the action of the rubber ring 305, the thick rod 304 is prevented from rotating randomly, at the moment, the assembly of the high-performance low-noise silencing check valve is completed, the two flanges 5 are respectively connected with flanges of external pipelines through external bolts, when the high-performance low-noise silencing check valve is normally used, liquid from the top of the high-performance low-noise silencing check valve can give downward pressure to the rubber plate 108, and the rubber plate 108 pushes the vertical rod 104 to move downwards through the circular plate 107, the vertical rod 104 compresses the spring 102 along the inner wall of the vertical tube 105, at this time, the top of the rubber plate 108 separates from the bottom of the check ring 109, at this time, the liquid from above the high-performance low-noise silencing check valve can flow through the check ring 109, when the liquid passes between the check ring 109 and the rubber plate 108, the thick tube 4 is driven to vibrate by the friction between the check ring 109, and then, the sound is generated, and at the moment, under the action of the first rubber pad 7, the shock can be prevented from being transmitted to the flange 5 by the thick pipe 4, thereby avoiding the flange 5 from driving an external pipeline to generate the functions of noise reduction and noise elimination, when liquid flows in the lower part of the high-performance low-noise silencing check valve, under the pressure of the liquid below the high-performance low-noise silencing check valve, the circular plate 107 drives the rubber plate 108 to abut against the retainer ring 109, and the liquid below the high-performance low-noise silencing check valve is prevented from flowing through the high-performance low-noise silencing check valve.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high performance low noise elimination check valve, includes thick pipe (4), its characterized in that: cavity (8) have all been seted up to the left and right sides of thick pipe (4), the inside of cavity (8) is equipped with connecting rod (2), all be connected with flange (5) about connecting rod (2), the clamp has first rubber pad (7) between flange (5) and thick pipe (4), is located the top and transfers the equal rigid coupling in bottom of flange (5) has second rubber pad (6), the outside of connecting rod (2) is equipped with adjusting part (3), the inside of thick pipe (4) is equipped with non return mechanism (1).
2. A high performance, low noise, and sound-damping check valve as defined in claim 1, wherein: the non-return mechanism (1) comprises a vertical pipe (105), a check ring (109) and a circular plate (107), wherein a first support (106) is fixedly connected to the left side and the right side of the vertical pipe (105), the outer side end of the first support (106) is fixedly connected with the inner wall of the thick pipe (4), the vertical pipe (104) is in clearance fit with the inner wall of the vertical pipe (105), the top of the vertical pipe (104) is fixedly connected with the bottom of the circular plate (107), a rubber plate (108) is fixedly connected to the upper portion of the outer wall of the circular plate (107), the top of the rubber plate (108) is tightly connected with the bottom of the check ring (109), the outer wall of the check ring (109) is fixedly connected with the upper portion of the inner wall of the thick pipe (4), a spring (102) is fixedly connected to the bottom of the vertical pipe (104), a bottom plate (101) is fixedly connected to the bottom of the spring (102), and a second support (103) is, the outer ends of the two second supports (103) are fixedly connected with the left side and the right side of the inner wall of the flange (5) below.
3. A high performance, low noise, and sound-damping check valve as defined in claim 2, wherein: the bottom of the bottom plate (101) is flush with the bottom of the second bracket (103).
4. A high performance, low noise, and sound-damping check valve as defined in claim 1, wherein: connecting rod (2) are including screwed pipe (201), threaded rod (202) and gear (203), equal threaded connection has threaded rod (202) about the inner wall of screwed pipe (201), the end and flange (5) rigid coupling of threaded rod (202) are in the same place, the outer wall of screwed pipe (201) is in the same place with the inner wall rigid coupling of gear (203), equal rigid coupling has bearing (204) about the outer wall of screwed pipe (201), the outer wall right side rigid coupling of bearing (204) has third support (205), the right side of third support (205) is in the same place with the inboard rigid coupling of cavity (8).
5. A high performance, low noise, and sound-damping check valve as defined in claim 1, wherein: adjusting part (3) includes lid (301), thick pole (304) and bolt (302), the inboard of lid (301) offsets tightly with the outside of thick pipe (4), lid (301) are together fixed through bolt (302) and thick pipe (4), lid (301) rotate with thick pole (304) through round pin axle (303) and link to each other, equal interference fit has rubber circle (305) about the outer wall of round pin axle (303), the both sides of rubber circle (305) offset tightly with lid (301) and thick pole (304) respectively, the outer wall and gear (203) the meshing of thick pole (304) are in the same place.
6. A high performance, low noise, and sound-damping check valve as defined in claim 1, wherein: the outer side of the thick pipe (4) is flush with the outer side of the cover body (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708267.0U CN210830619U (en) | 2019-10-13 | 2019-10-13 | High-performance low-noise silencing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708267.0U CN210830619U (en) | 2019-10-13 | 2019-10-13 | High-performance low-noise silencing check valve |
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| Publication Number | Publication Date |
|---|---|
| CN210830619U true CN210830619U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921708267.0U Active CN210830619U (en) | 2019-10-13 | 2019-10-13 | High-performance low-noise silencing check valve |
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| CN (1) | CN210830619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483688A (en) * | 2020-11-19 | 2021-03-12 | 浙江上风高科专风实业股份有限公司 | Novel sleeve muffler with check valve |
-
2019
- 2019-10-13 CN CN201921708267.0U patent/CN210830619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483688A (en) * | 2020-11-19 | 2021-03-12 | 浙江上风高科专风实业股份有限公司 | Novel sleeve muffler with check valve |
| CN112483688B (en) * | 2020-11-19 | 2022-08-09 | 浙江上风高科专风实业股份有限公司 | Novel sleeve muffler with check valve |
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Address after: No.8, Qilan Road, Minhou economic and Technological Development Zone, sugarcane street, Minhou County, Fuzhou City, Fujian Province, 350100 Patentee after: Foster Valve Group Co.,Ltd. Address before: 350001 No.1, No.2 North Road, phase I, sugarcane Tieling industrial concentration area, Minhou County, Fuzhou City, Fujian Province Patentee before: FUJIAN FIRST VALVE GROUP Co.,Ltd. |