CN214036895U - Fastening device of constant pressure valve - Google Patents
Fastening device of constant pressure valve Download PDFInfo
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- CN214036895U CN214036895U CN202022197008.5U CN202022197008U CN214036895U CN 214036895 U CN214036895 U CN 214036895U CN 202022197008 U CN202022197008 U CN 202022197008U CN 214036895 U CN214036895 U CN 214036895U
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Abstract
The utility model discloses a fastener of constant pressure valve, including adjusting the cap, the stopping nut is installed at the top of adjusting the cap, adjust the below of cap and install the location valve gap, and the inside of location valve gap is provided with spacing installation sleeve pipe, spacing installation sleeve pipe's outer wall embedding has sealed rubber ring, spacing installation sleeve pipe's inside is run through there is the central axostylus axostyle, the diaphragm is installed to spacing installation sleeve pipe's below, and the below of going up the diaphragm installs central diaphragm, the diaphragm is installed down to the below of central diaphragm, and the externally mounted of diaphragm has last cylinder body flange down, go up the below of cylinder body flange and install down the cylinder body flange, and the inside of cylinder body flange and last cylinder body flange all runs through there is outer hexagonal screw rod down. This constant pressure valve's fastener flange form locking device for avoids the hidden danger that clamp structure brought, adopts simple and easy double flange form, closely cooperates the locking with outer hexagonal screw rod, locking nut with upper cylinder body flange and lower cylinder body flange.
Description
Technical Field
The utility model relates to a constant pressure valve technical field specifically is a fastener of constant pressure valve.
Background
The conventional constant pressure valve adopts a clamp locking device, and when the pressure is high, the problem that a medium is easy to seep out is solved at the clamp.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastener of constant pressure valve to what put forward conventional constant pressure valve and adopt in solving above-mentioned background art is clamp locking device, and when pressure was big, clamp department easily had the problem that the medium oozed.
In order to achieve the above object, the utility model provides a following technical scheme:
a fastening device of a constant pressure valve comprises an adjusting cap, a retaining nut is arranged at the top of the adjusting cap, a positioning valve cover is arranged below the adjusting cap, a limiting installation sleeve is arranged inside the positioning valve cover, a sealing rubber ring is embedded in the outer wall of the limiting installation sleeve, a central shaft lever penetrates through the limiting mounting sleeve, an upper diaphragm is mounted below the limiting mounting sleeve, and a central diaphragm is arranged below the upper diaphragm, a lower diaphragm is arranged below the central diaphragm, an upper cylinder body flange is arranged outside the lower diaphragm, a lower cylinder body flange is arranged below the upper cylinder body flange, outer hexagonal screws penetrate through the lower cylinder body flange and the upper cylinder body flange, stainless steel spring gaskets are connected to the bottoms of the outer hexagonal screws, and a locking nut is installed below the stainless steel spring gasket, and one side of the outer wall of the positioning valve cover is connected with an air source control device.
Optionally, the positioning valve cover and the upper cylinder body flange are of an integrated structure, and the upper cylinder body flange is detachably connected with the lower cylinder body flange through an outer hexagonal screw, a stainless steel spring gasket and a locking nut.
Optionally, be provided with stainless steel spring gasket between lower cylinder flange and the lock nut, and outer hexagonal screw rod, stainless steel spring gasket and lock nut three all follow the outer fringe evenly distributed of last cylinder flange, and outer hexagonal screw rod, stainless steel spring gasket and lock nut all are provided with six.
Optionally, the central shaft penetrates through the central diaphragm, the upper diaphragm and the lower diaphragm in sequence, and central axes of the central diaphragm, the upper diaphragm and the lower diaphragm are overlapped.
Optionally, the outer part of the central diaphragm is in a tooth-shaped structure, and the diameter of the central diaphragm, the diameter of the upper diaphragm and the diameter of the lower diaphragm are the same.
Optionally, the cross section of the bottom of the central shaft rod is arranged to be a V-shaped structure, and the central shaft rod is in threaded connection with the retaining nut.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model adopts a flange locking device to avoid hidden troubles caused by a hoop structure, adopts a simple double-flange form, and tightly matches and locks the upper cylinder flange, the central diaphragm, the upper diaphragm, the lower diaphragm and the lower cylinder flange by using an outer hexagonal screw and a locking nut;
the utility model is provided with the outer hexagonal screw and the locking nut, the outer hexagonal screw is sequentially penetrated into the upper cylinder body flange, the upper diaphragm, the lower diaphragm and the lower cylinder body flange, and the end part of the outer hexagonal screw is connected with the locking nut, so that the upper cylinder body flange and the lower cylinder body flange can be effectively and indirectly connected, the position between the upper cylinder body flange and the lower cylinder body flange can be effectively limited, the upper cylinder body flange and the lower cylinder body flange can be tightly attached, and the medium leakage can be effectively avoided;
the utility model is provided with the stainless steel spring gasket, which can effectively provide effective buffer for the lower cylinder flange, and can effectively limit the position of the lower cylinder flange, reduce the abrasion of the lower cylinder flange and ensure the stable fixation of the lower cylinder flange;
the utility model discloses be provided with diaphragm, central diaphragm and lower diaphragm, through last diaphragm, central diaphragm and lower diaphragm three's dislocation gomphosis connection to and the dentate structure of central diaphragm can effectually provide multiple dislocation for the constant pressure valve and seal, can effectual reinforcing go up diaphragm, central diaphragm and lower diaphragm three's sealing performance.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the external structure of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
fig. 4 is a schematic structural diagram of the central membrane of the present invention.
In the figure: 1. an adjusting cap; 2. a back-stopping nut; 3. positioning the valve cover; 4. limiting and installing a sleeve; 5. sealing the rubber ring; 6. an air source control device; 7. a central shaft; 8. a central diaphragm; 9. an upper diaphragm; 10. a lower diaphragm; 11. a lower cylinder flange; 12. an upper cylinder body flange; 13. an outer hexagonal screw; 14. a stainless steel spring washer; 15. and locking the nut.
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: a fastening device of a constant pressure valve comprises an adjusting cap 1, a retaining nut 2 is installed at the top of the adjusting cap 1, a positioning valve cover 3 is installed below the adjusting cap 1, a limiting installation sleeve 4 is arranged inside the positioning valve cover 3, a sealing rubber ring 5 is embedded in the outer wall of the limiting installation sleeve 4, a central shaft rod 7 penetrates through the limiting installation sleeve 4, an upper diaphragm 9 is installed below the limiting installation sleeve 4, a central diaphragm 8 is installed below the upper diaphragm 9, a lower diaphragm 10 is installed below the central diaphragm 8, an upper cylinder body flange 12 is installed outside the lower diaphragm 10, a lower cylinder body flange 11 is installed below the upper cylinder body flange 12, outer hexagonal screws 13 penetrate through the lower cylinder body flange 11 and the upper cylinder body flange 12, a stainless steel spring gasket 14 is connected to the bottom of the outer hexagonal screws 13, and a locking nut 15 is installed below the stainless steel spring gasket 14, and one side of the outer wall of the positioning valve cover 3 is connected with an air source control device 6.
The utility model discloses in, furtherly, decide positioning valve lid 3 and last cylinder body flange 12 formula structure as an organic whole, and go up cylinder body flange 12 and can dismantle with lower cylinder body flange 11 through outer hexagonal screw 13, stainless steel spring gasket 14 and locking nut 15 and be connected. The outer hexagonal screw 13 sequentially penetrates into the upper cylinder flange 12, the upper diaphragm 9, the lower diaphragm 10 and the lower cylinder flange 11, the end part of the outer hexagonal screw 13 is connected with the locking nut 15, the upper cylinder flange 12 and the lower cylinder flange 11 can be effectively and indirectly connected, the position between the upper cylinder flange 12 and the lower cylinder flange 11 can be effectively limited, the upper cylinder flange 12 and the lower cylinder flange 11 can be tightly attached, and medium leakage can be effectively avoided.
Further, a stainless steel spring gasket 14 is arranged between the lower cylinder flange 11 and the locking nut 15, the outer hexagonal screw 13, the stainless steel spring gasket 14 and the locking nut 15 are uniformly distributed along the outer edge of the upper cylinder flange 12, and six outer hexagonal screws 13, stainless steel spring gaskets 14 and locking nuts 15 are arranged. Can effectually provide effectual buffering for cylinder body flange 11 down through stainless steel spring gasket 14 to and the position of cylinder body flange 11 under can effectual restriction, alleviate the wearing and tearing that cylinder body flange 11 received down, guarantee cylinder body flange 11's stable fixed down.
Further, the central shaft rod 7 penetrates through the central diaphragm 8, the upper diaphragm 9 and the lower diaphragm 10 in sequence, and the central axes of the central diaphragm 8, the upper diaphragm 9 and the lower diaphragm 10 are overlapped.
Further, the outer part of the central diaphragm 8 is in a tooth-shaped structure, and the diameter of the central diaphragm 8, the diameter of the upper diaphragm 9 and the diameter of the lower diaphragm 10 are the same. Through last diaphragm 9, central diaphragm 8 and lower diaphragm 10 three's dislocation gomphosis connection to and the dentate structure of central diaphragm 8 can be effectual for the constant pressure valve provides multiple dislocation sealed, can be effectual the reinforcing go up diaphragm 9, central diaphragm 8 and lower diaphragm 10 three's sealing performance.
Further, the cross section of the bottom of the central shaft rod 7 is of a V-shaped structure, and the central shaft rod 7 is in threaded connection with the retaining nut 2.
The working principle of the fastening device of the constant pressure valve is as follows: firstly, sequentially superposing an upper diaphragm 9, a central diaphragm 8 and a lower diaphragm 10, placing the upper diaphragm 9, the central diaphragm 8 and the lower diaphragm 10 into the lower cylinder flange 11, sequentially penetrating a central shaft rod 7 into the lower diaphragm 10, the central diaphragm 8 and the upper diaphragm 9, and covering a positioning valve cover 3 and an upper cylinder flange 12 above the upper diaphragm 9; then, the outer hexagonal screw 13 sequentially penetrates into the upper cylinder flange 12, the upper diaphragm 9, the lower diaphragm 10 and the lower cylinder flange 11, and the end of the outer hexagonal screw 13 is connected with the locking nut 15, so that the upper cylinder flange 12 and the lower cylinder flange 11 can be effectively and indirectly connected, and the position between the upper cylinder flange 12 and the lower cylinder flange 11 can be effectively limited.
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. A fastening device of a constant pressure valve is characterized in that: the anti-return device comprises an adjusting cap (1), a retaining nut (2) is installed at the top of the adjusting cap (1), a positioning valve cover (3) is installed below the adjusting cap (1), a limiting installation sleeve (4) is arranged inside the positioning valve cover (3), a sealing rubber ring (5) is embedded into the outer wall of the limiting installation sleeve (4), a central shaft rod (7) penetrates through the inside of the limiting installation sleeve (4), an upper diaphragm (9) is installed below the limiting installation sleeve (4), a central diaphragm (8) is installed below the upper diaphragm (9), a lower diaphragm (10) is installed below the central diaphragm (8), an upper cylinder flange (12) is installed outside the lower diaphragm (10), a lower cylinder flange (11) is installed below the upper cylinder flange (12), and outer hexagonal screws (13) penetrate through the insides of the lower cylinder flange (11) and the upper cylinder flange (12), the bottom of outer hexagonal screw rod (13) is connected with stainless steel spring gasket (14), and locking nut (15) are installed to the below of stainless steel spring gasket (14), one side of location valve gap (3) outer wall is connected with air supply controlling means (6).
2. A fastening device of a constant pressure valve according to claim 1, wherein: the positioning valve cover (3) and the upper cylinder body flange (12) are of an integrated structure, and the upper cylinder body flange (12) is detachably connected with the lower cylinder body flange (11) through an outer hexagonal screw (13), a stainless steel spring gasket (14) and a locking nut (15).
3. A fastening device of a constant pressure valve according to claim 1, wherein: be provided with stainless steel spring gasket (14) between lower cylinder flange (11) and locking nut (15), and outer hexagonal screw rod (13), stainless steel spring gasket (14) and locking nut (15) three all along the outer fringe evenly distributed of last cylinder flange (12), outer hexagonal screw rod (13), stainless steel spring gasket (14) and locking nut (15) all are provided with six.
4. A fastening device of a constant pressure valve according to claim 1, wherein: the central shaft lever (7) sequentially penetrates through the central diaphragm (8), the upper diaphragm (9) and the lower diaphragm (10), and the central axes of the central diaphragm (8), the upper diaphragm (9) and the lower diaphragm (10) are overlapped.
5. A fastening device of a constant pressure valve according to claim 1, wherein: the outer part of the central diaphragm (8) is in a tooth-shaped structure, and the diameter of the central diaphragm (8), the diameter of the upper diaphragm (9) and the diameter of the lower diaphragm (10) are the same.
6. A fastening device of a constant pressure valve according to claim 1, wherein: the cross section of the bottom of the central shaft rod (7) is of a V-shaped structure, and the central shaft rod (7) is in threaded connection with the retaining nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197008.5U CN214036895U (en) | 2020-09-29 | 2020-09-29 | Fastening device of constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197008.5U CN214036895U (en) | 2020-09-29 | 2020-09-29 | Fastening device of constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036895U true CN214036895U (en) | 2021-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022197008.5U Active CN214036895U (en) | 2020-09-29 | 2020-09-29 | Fastening device of constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036895U (en) |
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2020
- 2020-09-29 CN CN202022197008.5U patent/CN214036895U/en active Active
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