CN212690945U - Novel butterfly non-return combined valve - Google Patents
Novel butterfly non-return combined valve Download PDFInfo
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- CN212690945U CN212690945U CN202022037060.4U CN202022037060U CN212690945U CN 212690945 U CN212690945 U CN 212690945U CN 202022037060 U CN202022037060 U CN 202022037060U CN 212690945 U CN212690945 U CN 212690945U
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 29
- 238000012856 packing Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a novel butterfly non return combination formula valve relates to combination formula valve technical field, including the second valve body, the one end of second valve body is connected with the second sealing washer, the one end that the second valve body was kept away from to the second sealing washer is connected with first valve body, the one end threaded connection that the second valve body is close to first valve body has first double-screw bolt, one side fixedly connected with second butterfly valve clack of first valve body is kept away from to the inside first valve body, one side threaded connection that the second valve body was kept away from to first double-screw bolt has first nut, one side fixedly connected with second disk seat that first valve body is close to the second valve body, first valve body is close to the first disk seat of one end fixedly connected with of second disk seat. The utility model discloses, cooperation, second double-screw bolt and the second nut between first double-screw bolt and the first nut through device internally mounted can make the equipment of device and dismantle convenience more.
Description
Technical Field
The utility model relates to a combination formula valve technical field, more specifically relates to a novel butterfly non return combination formula valve.
Background
The valve that is arranged in trades such as high pressure water injection, petroleum, chemical industry at present is that two valves are constituteed respectively mostly, a ball valve and a check valve, and two valves of ball valve and check valve pass through flange joint or welding combination and form, and this kind of structure spare part damages to be changed inconveniently, and the majority is that whole machine is changed, and later maintenance cost is higher etc..
In chinese utility model patent application no: CN 201721598141.3 discloses an improved combined valve body, which comprises a check structure, a valve component, and a valve handle, wherein the check structure is fixedly connected to the fluid output end of the valve component, a lower valve port, a valve core, and an upper end sealing seat are arranged in the valve component, the valve core is in a conical structure, the conical small end of the valve core forms two half valve plate structures through a notch, and the conical large end of the valve core is detachably fixed in the upper end sealing seat of the valve component. This improved generation combination formula valve body does not set up the valve clack in the device is inside, and consequently the valve control performance of device is poor, and the sealed effect of device is poor simultaneously, in the course of the work, the phenomenon of revealing can appear, and the device is owing to not set up the connecting piece simultaneously, consequently can be very troublesome in the installation of device.
Therefore, it is necessary to provide a new butterfly check combination valve to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a: in order to solve the problem that the equipment of current device is troublesome, valve control performance is poor, the leakproofness of valve is poor, the utility model provides a novel butterfly non return combination formula valve.
(II) technical scheme
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: a novel butterfly check combined valve comprises a second valve body, wherein one end of the second valve body is connected with a second sealing ring, one end of the second sealing ring, which is far away from the second valve body, is connected with a first valve body, one end of the second valve body, which is close to the first valve body, is in threaded connection with a first stud, one side of the inner part of the second valve body, which is far away from the first valve body, is fixedly connected with a second butterfly valve clack, one side of the first stud, which is far away from the second valve body, is in threaded connection with a first nut, one side of the first valve body, which is close to the second valve body, is fixedly connected with a second valve seat, one end of the first valve body, which is close to the second valve seat, is fixedly connected with a first valve seat, one side of the first valve body, which is close to the second valve seat, is fixedly connected with a first spring, one side of the inner part of, the valve comprises a valve ball and a packing pressing sleeve, wherein the top end of the valve ball is fixedly connected with a valve rod, the top end surface of the valve rod is fixedly connected with the packing pressing sleeve, one end, far away from a plane bearing, of the packing pressing sleeve is fixedly connected with a packing pressing plate, the two ends of the packing pressing plate are in threaded connection with second studs, one end, far away from a first valve body, of each second stud is fixedly connected with a second nut, and one end, close to the first valve body, of each second nut is connected with.
Furthermore, the bottom end of the second butterfly valve clack is connected with a cylindrical pin, the circumference of the cylindrical pin is connected with a second spring, and one end, far away from the second butterfly valve clack, of the cylindrical pin is connected with the first butterfly valve clack.
Furthermore, the bottom end of the second butterfly valve flap is connected with the top end of the first butterfly valve flap, the top end of the second butterfly valve flap is connected with the second valve body, and the bottom end of the first butterfly valve flap is connected with the second valve body.
Further, the cylindrical pin is fixedly connected with the inner wall of the second valve body, and the second spring is fixedly connected with the inner part of the second valve body.
Further, the one end fixedly connected with flat bearing that the valve ball was kept away from to the valve rod, the one end that flat bearing kept away from the valve rod is connected with slide bearing, the both sides that the valve rod is close to slide bearing are connected with first filler, the top of first filler is connected with the second and packs.
Furthermore, one end, close to the packing pressing plate, of the first valve body is fixedly connected with a packing box, a screw is arranged inside the packing box, and one end, close to the sliding bearing, of the packing box is fixedly connected with a third sealing ring.
Furthermore, there are two first fillers, and the two first fillers are symmetrically distributed at two ends of the second filler.
(III) advantageous effects
The utility model has the advantages as follows:
1. the utility model discloses, cooperation, second double-screw bolt and the second nut between first double-screw bolt and the first nut through device internally mounted can make the equipment of device and dismantle convenience more.
2. The utility model discloses, through the cooperation of device internally mounted's first butterfly valve clack and second butterfly valve clack, can make the more sensitive of the working process of device, improve the work efficiency of device.
3. The utility model discloses, through the cooperation between device internally mounted's stuffing box, first filler, second filler, can make the sealing performance of device better, prevent that the device from leading to the separation effect decline of valve because gas leakage in the course of the work.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic side sectional view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure shown at B in FIG. 2 according to the present invention;
fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.
Reference numerals: 1. a first valve body; 2. a first spring; 3. a first valve seat; 4. a valve ball; 5. a second valve seat; 6. a first seal ring; 7. a second seal ring; 8. a second valve body; 9. a first stud; 10. a first nut; 11. a second spring; 12. a cylindrical pin; 13. a first butterfly valve flap; 14. a second butterfly valve flap; 15. a valve stem; 16. a flat bearing; 17. a sliding bearing; 18. a third seal ring; 19. a screw; 20. a stuffing box; 21. a first filler; 22. a second filler; 23. pressing and sleeving the filler; 24. a packing press plate; 25. a belleville spring; 26. a second stud; 27. a second 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.
Example 1
Referring to fig. 1 and 2, a novel butterfly check combined valve comprises a second valve body 8, one end of the second valve body 8 is connected with a second seal ring 7, one end of the second seal ring 7 far away from the second valve body 8 is connected with a first valve body 1, one end of the second valve body 8 close to the first valve body 1 is in threaded connection with a first stud 9, one side of the inside of the second valve body 8 far away from the first valve body 1 is fixedly connected with a second butterfly valve flap 14, one side of the first stud 9 far away from the second valve body 8 is in threaded connection with a first nut 10, one side of the first valve body 1 close to the second valve body 8 is fixedly connected with a second valve seat 5, one end of the first valve body 1 close to the second valve seat 5 is fixedly connected with a first valve seat 3, one side of the first valve body 1 close to the first valve seat 3 is fixedly connected with a first spring 2, one side of the inside of the first valve body 1 close to the first, one side fixedly connected with first sealing washer 6 that first valve body 1 is close to second disk seat 5, the top fixedly connected with valve rod 15 of valve ball 4, the top fixed surface of valve rod 15 is connected with packs and presses cover 23, pack and press cover 23 one end fixedly connected with packing clamp plate 24 that keeps away from flat bearing 16, the both ends threaded connection of packing clamp plate 24 has second double-screw bolt 26, the one end fixedly connected with second nut 27 that first valve body 1 was kept away from to second double-screw bolt 26, the one end that second nut 27 is close to first valve body 1 is connected with belleville spring 25.
In this embodiment, the fitting between the first stud 9 and the first nut 10 and the fitting between the second stud 26 and the second nut 27 which are installed inside the device can make the device more convenient to assemble and disassemble, during assembly, the first valve body 1 and the second valve body 8 of the device can be fixed through the first stud 9 and the first nut 10, the valve rod 15 inside the device can be conveniently assembled inside the valve through the second stud 26 and the second nut 27, and the forming efficiency of the device is improved.
Example 2
Referring to fig. 2 and 4, the present embodiment is further optimized based on embodiment 1, specifically, a cylindrical pin 12 is connected to a bottom end of the second butterfly valve flap 14, a second spring 11 is connected to a circumference of the cylindrical pin 12, and a first butterfly valve flap 13 is connected to an end of the cylindrical pin 12 away from the second butterfly valve flap 14.
Specifically, the bottom end of the second butterfly valve flap 14 is connected with the top end of the first butterfly valve flap 13, the top end of the second butterfly valve flap 14 is connected with the second valve body 8, and the bottom end of the first butterfly valve flap 13 is connected with the second valve body 8.
Specifically, the cylindrical pin 12 is fixedly connected to the inner wall of the second valve body 8, and the second spring 11 is fixedly connected to the inside of the second valve body 8.
In this embodiment, the cooperation through the first butterfly valve clack 13 of device internally mounted and second butterfly valve clack 14, can make the course of operation of device more sensitive, the work efficiency of the device is improved, in use, the first butterfly valve clack 13 and the second butterfly valve clack 14 of device internally mounted pass through the second spring 11, first disk seat 3, the initial sealing force that the second valve seat 5 provided carries out work, simultaneously because the appearance difference between first butterfly valve clack 13 and second butterfly valve clack 14 and the standard valve clack, can make the course of operation of device more convenient and sensitive.
Example 3
Referring to fig. 2 and 3, the present embodiment is optimized based on the embodiment 1 or 2, specifically, a flat bearing 16 is fixedly connected to one end of the valve rod 15 away from the valve ball 4, a sliding bearing 17 is connected to one end of the flat bearing 16 away from the valve rod 15, first fillers 21 are connected to two sides of the valve rod 15 close to the sliding bearing 17, and second fillers 22 are connected to top ends of the first fillers 21.
Specifically, one end of the first valve body 1 close to the packing pressing plate 24 is fixedly connected with a packing box 20, a screw 19 is arranged inside the packing box 20, and one end of the packing box 20 close to the sliding bearing 17 is fixedly connected with a third sealing ring 18.
Specifically, there are two first fillers 21, and the two first fillers 21 are symmetrically distributed at two ends of the second filler 22.
In this embodiment, through the inside mounted stuffing box 20 of device, first filler 21, the cooperation between second filler 22, can make the sealing performance of device better, prevent that the device from leading to the separation effect decline of valve because of gas leakage in the course of the work, during the installation valve, can see through the gap between valve rod 15 and stuffing box 20 with the inside first filler 21 of stuffing box 20 and second filler 22 and fill out valve rod 15 one side, then through packing clamp plate 24 with the filler compaction inside the device, improve the sealed effect of device.
In summary, the following steps: the utility model discloses, cooperation through between the first double-screw bolt 9 of device internally mounted and first nut 10, cooperation between second double-screw bolt 26 and second nut 27, can make the equipment of device with dismantle more convenient, during the equipment, can fix the first valve body 1 and the second valve body 8 of device through first double-screw bolt 9 and first nut 10, can be inside the valve with the convenient equipment of the inside valve rod 15 of device through second double-screw bolt 26 and second nut 27, improve the shaping efficiency of device. The cooperation of the first butterfly valve clack 13 and the second butterfly valve clack 14 of device internally mounted can make the course of work of device more sensitive, improves the work efficiency of device, and the cooperation between the stuffing box 20, the first filler 21, the second filler 22 of device internally mounted can make the sealing performance of device better, prevents that the device from leading to the separation effect decline of valve because of leaking gas in the course of work.
Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel butterfly check combination formula valve, includes second valve body (8), its characterized in that: one end of the second valve body (8) is connected with a second sealing ring (7), one end of the second sealing ring (7) far away from the second valve body (8) is connected with a first valve body (1), one end of the second valve body (8) close to the first valve body (1) is in threaded connection with a first stud (9), one side of the second valve body (8) far away from the first valve body (1) is fixedly connected with a second butterfly valve clack (14), one side of the first stud (9) far away from the second valve body (8) is in threaded connection with a first nut (10), one side of the first valve body (1) close to the second valve body (8) is fixedly connected with a second valve seat (5), one end of the first valve body (1) close to the second valve seat (5) is fixedly connected with a first valve seat (3), one side of the first valve body (1) close to the first valve seat (3) is fixedly connected with a first spring (2), the novel valve is characterized in that one side, close to a first valve seat (3), of the inside of a first valve body (1) is rotatably connected with a valve ball (4), one side, close to a second valve seat (5), of the first valve body (1) is fixedly connected with a first sealing ring (6), the top end of the valve ball (4) is fixedly connected with a valve rod (15), the top end of the valve rod (15) is fixedly connected with a packing pressing sleeve (23), one end, far away from a plane bearing (16), of the packing pressing sleeve (23) is fixedly connected with a packing pressing plate (24), the two ends of the packing pressing plate (24) are in threaded connection with a second stud (26), one end, far away from the first valve body (1), of the second stud (26) is fixedly connected with a second nut (27), and one end, close to the first valve body (1), of the second nut (27.
2. The novel butterfly check combined valve of claim 1, wherein: the bottom end of the second butterfly valve clack (14) is connected with a cylindrical pin (12), the circumference of the cylindrical pin (12) is connected with a second spring (11), and one end, far away from the second butterfly valve clack (14), of the cylindrical pin (12) is connected with a first butterfly valve clack (13).
3. The novel butterfly check combined valve of claim 2, wherein: the bottom end of the second butterfly valve clack (14) is connected with the top end of the first butterfly valve clack (13), the top end of the second butterfly valve clack (14) is connected with the second valve body (8), and the bottom end of the first butterfly valve clack (13) is connected with the second valve body (8).
4. The novel butterfly check combined valve of claim 2, wherein: the cylindrical pin (12) is connected with the inner wall of the second valve body (8), and the second spring (11) is fixedly connected with the inside of the second valve body (8).
5. The novel butterfly check combined valve of claim 1, wherein: one end fixedly connected with flat bearing (16) of valve ball (4) is kept away from in valve rod (15), the one end that valve rod (15) were kept away from in flat bearing (16) is connected with slide bearing (17), the both sides that valve rod (15) are close to slide bearing (17) are connected with first filler (21), the top of first filler (21) is connected with second filler (22).
6. The novel butterfly check combined valve of claim 1, wherein: one end of the first valve body (1) close to the packing pressing plate (24) is fixedly connected with a packing box (20), a screw (19) is arranged inside the packing box (20), and one end of the packing box (20) close to the sliding bearing (17) is fixedly connected with a third sealing ring (18).
7. The novel butterfly check combined valve of claim 5, wherein: the number of the first fillers (21) is two, and the two first fillers (21) are symmetrically distributed at two ends of the second filler (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037060.4U CN212690945U (en) | 2020-09-16 | 2020-09-16 | Novel butterfly non-return combined valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022037060.4U CN212690945U (en) | 2020-09-16 | 2020-09-16 | Novel butterfly non-return combined valve |
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| Publication Number | Publication Date |
|---|---|
| CN212690945U true CN212690945U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022037060.4U Active CN212690945U (en) | 2020-09-16 | 2020-09-16 | Novel butterfly non-return combined valve |
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| CN (1) | CN212690945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998104A (en) * | 2020-09-16 | 2020-11-27 | 江苏江恒阀业有限公司 | A new type of butterfly check valve |
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2020
- 2020-09-16 CN CN202022037060.4U patent/CN212690945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998104A (en) * | 2020-09-16 | 2020-11-27 | 江苏江恒阀业有限公司 | A new type of butterfly check valve |
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