CN217328732U - Stop valve with non-return function - Google Patents
Stop valve with non-return function Download PDFInfo
- Publication number
- CN217328732U CN217328732U CN202220448752.4U CN202220448752U CN217328732U CN 217328732 U CN217328732 U CN 217328732U CN 202220448752 U CN202220448752 U CN 202220448752U CN 217328732 U CN217328732 U CN 217328732U
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- China
- Prior art keywords
- valve
- main body
- hand wheel
- rod
- clack
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 description 7
- 241000283216 Phocidae Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model provides a stop valve with non-return function, wherein, the valve rod comprises a main body support rod, a hand wheel connecting area, a movable threaded area, a valve clack and a sealing valve clack pad, the hand wheel connecting area is welded above the main body support rod, and the movable threaded area is welded at the middle lower position of the valve rod; the valve clack is arranged at the bottom of the main body supporting rod through a bearing, and a sealing valve clack pad is adhered to the outer side of the valve clack; the locking mechanism comprises a main body support ring, an installation connecting frame, a hand wheel support frame and a limiting bolt, the installation connecting frame is welded on the inner side of the main body support ring, and the hand wheel support frame is positioned right above the main body support ring; the limiting bolt is inserted into the main body supporting ring and the hand wheel supporting frame through the hole in a skewing mode. The utility model discloses the setting of valve rod, locking mechanical system and check valve can not lead to sealing the valve clack not hard up under the effect that receives pressure, can not lead to leaking, has the check valve to strive for the time for closing the valve clack under emergence emergency.
Description
Technical Field
The utility model belongs to the technical field of the stop valve, especially, relate to a stop valve with non return function.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur. The connection mode is divided into three types: flange connection, screw thread connection and welding connection. After the valve from the self sealss appears, the medium flow direction of stop valve just changes and gets into the valve pocket by the valve clack top, and at this moment under the medium pressure effect, the power of closing the valve is little, and the power of opening the valve is big, and the diameter of valve rod can reduce correspondingly, but current stop valve still exists and leads to sealing the not hard up leakage that leads to of valve clack under the effect that receives the pressure easily, does not have the problem that extra check valve strives for the time for closing the valve clack under emergence emergency.
Therefore, it is necessary to invent a check valve with a check function.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a stop valve with non return function to solve current stop valve still to exist and to result in easily leading to sealing the not hard up leakage that leads to of valve clack under the effect that receives pressure, do not have the problem that extra check valve strives for the time for closing the valve clack under taking place emergency. The utility model provides a stop valve with non return function, includes the valve body, the valve neck, and fixed valve gap, the valve rod, the hand wheel, locking mechanical system, the delivery port, oral siphon and check valve, wherein: the valve rod comprises a main body supporting rod, a hand wheel connecting area, a movable threaded area, a valve clack and a sealing valve clack pad, the hand wheel connecting area is welded above the main body supporting rod, and the movable threaded area is welded at the middle lower position of the valve rod; the valve clack is arranged at the bottom of the main body supporting rod through a bearing, and a sealing valve clack pad is adhered to the outer side of the valve clack; the locking mechanism comprises a main body support ring, an installation connecting frame, a hand wheel support frame and a limiting bolt, the installation connecting frame is welded on the inner side of the main body support ring, and the hand wheel support frame is positioned right above the main body support ring; the limiting bolt is inserted into the main body support ring and the hand wheel support frame through the hole.
The valve rod is embedded in the fixed valve cover and is installed above the valve neck through the fixed valve cover, the valve body is welded below the valve neck, the rear end of the valve body is provided with a water outlet through threads, and the front end of the valve body is provided with a water inlet pipe through threads; the upper end of the locking mechanism is installed on the outer side of the hand wheel through a bolt, and the lower end of the locking mechanism is installed on the outer side of the valve neck through a bolt; the check valve is installed inside the water inlet pipe through threads.
The valve rod is integrally made of stainless steel metal and can be rotated passively through rotation of a hand wheel, and the valve rod can move in the vertical direction through rotation of a movable threaded area inside the valve rod; the inside valve clack accessible of valve rod inside its bearing does not follow the rotation of main part bracing piece and rotates, and the inside sealed valve clack pad of valve rod adopts corrosion-resistant silica gel cover, is favorable to driving the valve clack through rotating and carries out the ascending motion of vertical direction, because its inside valve clack does not follow the valve rod and wholly rotates, so can reduce the wearing and tearing of valve clack, prevents the condition that the valve clack from taking place to leak because long-time wearing and tearing, and promotion that the inside sealed valve clack pad of valve rod can be further the utility model discloses a sealed degree.
The whole locking mechanism adopts a steel metal structure, a main body support ring in the locking mechanism and the mounting connecting frame are integrated, and the main body support ring in the locking mechanism is fixed on the surface of the valve neck through the mounting connecting frame; the inside hand wheel carriage of locking mechanical system is as an organic whole with the hand wheel, and the inside main part carriage and the hand wheel carriage of locking mechanical system are in the same place through spacing bolt is fixed, is favorable to forming a fixed knot structure between indirect messenger's valve neck and the valve rod, and spacing bolt makes hand wheel carriage and hand wheel can't take place the gyration through ann inserting, prevents that the rear from leading to the valve clack rotation because of too big impact valve clack of pressure, makes the utility model discloses the condition that appears flowing against the current takes place.
The check valve adopts a set of directional control valve that makes its inside liquid can only a direction flow and can not the reverse flow, and the screwed pipe that the check valve extended out through both ends is connected with the oral siphon, this check valve seals through the thread seal area with the junction of oral siphon, be favorable to when guaranteeing rivers can normally flow, also can prevent because of the pressure differential before the valve clack does not return to the original place, transient prevention water against the current, certain time is striven for to not close the valve clack, be convenient for normally close of valve clack.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of valve rod is favorable to carrying out the ascending motion of vertical direction through rotating the drive valve clack, because its inside valve clack does not follow the valve rod and wholly rotates, so can reduce the wearing and tearing of valve clack, prevent that the valve clack from taking place the condition of leaking because of long-time wearing and tearing, and the promotion that the inside sealed valve clack pad of valve rod can be further the utility model discloses a sealed degree.
2. The utility model discloses locking mechanical system's setting is favorable to forming a fixed knot structure between indirect messenger's valve neck and the valve rod, makes hand wheel carriage and hand wheel can't take place the gyration through inserting the stop cock, prevents that the rear from leading to the valve clack to rotate because of too big impact valve clack of pressure, makes the utility model discloses the condition that appears the adverse current takes place.
3. The utility model discloses the setting of check valve is favorable to guaranteeing when rivers can normally flow, also can prevent because of the pressure differential before the valve clack does not playback, and water against the current is held to the short-lived prevention, and the valve clack of not closing strives for certain time, and the valve clack of being convenient for normally closes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the valve rod of the present invention.
Fig. 3 is a schematic structural diagram of the locking mechanism of the present invention.
In the figure:
the valve comprises a valve body 1, a valve neck 2, a fixed valve cover 3, a valve rod 4, a main body supporting rod 41, a hand wheel connecting area 42, a movable threaded area 43, a valve clack 44, a sealing valve clack pad 45, a hand wheel 5, a locking mechanism 6, a main body supporting ring 61, an installation connecting frame 62, a hand wheel supporting frame 63, a limiting bolt 64, a water outlet 7, a water inlet pipe 8 and a check valve 9.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.
As shown in figures 1 to 3.
The utility model provides a pair of stop valve with non return function, including valve body 1, valve neck 2, fixed valve gap 3, valve rod 4, hand wheel 5, locking mechanical system 6, delivery port 7, oral siphon 8 and check valve 9, wherein: the valve rod 4 comprises a main body supporting rod 41, a hand wheel connecting area 42, a movable threaded area 43, a valve clack 44 and a sealing valve clack pad 45, the hand wheel connecting area 42 is welded above the main body supporting rod 41, and the movable threaded area 43 is welded at the middle-lower position of the valve rod 4; the valve flap 44 is mounted on the bottom of the main body support rod 41 through a bearing, and a sealing valve flap pad 45 is adhered to the outer side of the valve flap 44; the locking mechanism 6 comprises a main body support ring 61, an installation connecting frame 62, a hand wheel support frame 63 and a limit bolt 64, wherein the installation connecting frame 62 is welded on the inner side of the main body support ring 61, and the hand wheel support frame 63 is positioned right above the main body support ring 61; the limit bolt 64 is inserted into the main body support ring 61 and the hand wheel support frame 63 through the hole.
The valve rod 4 is embedded in the fixed valve cover 3, the valve rod 4 is installed above the valve neck 2 through the fixed valve cover 3, the valve body 1 is welded below the valve neck 2, the rear end of the valve body 1 is provided with a water outlet 7 through threads, and the front end of the valve body 1 is provided with a water inlet pipe 8 through threads; the upper end of the locking mechanism 6 is arranged on the outer side of the hand wheel 5 through a bolt, and the lower end of the locking mechanism 6 is arranged on the outer side of the valve neck 2 through a bolt; the check valve 9 is installed inside the inlet pipe 8 by a screw.
The utility model provides a stop valve with non-return function, a valve body 1, a valve neck 2 and a fixed valve cover 3 are used in cooperation to form the main part of the valve; the valve rod 4 is made of stainless steel metal, the valve rod 4 can be driven to rotate by the rotation of the hand wheel 5, and the valve rod 4 can move in the vertical direction by the rotation of the moving thread area 43 inside the valve rod 4; the valve clack 44 in the valve rod 4 can rotate without following the rotation of the main body supporting rod 41 through a bearing in the valve clack 44, and the sealing valve clack pad 45 in the valve rod 4 adopts a corrosion-resistant silica gel sleeve, so that the valve clack 44 can be driven to move in the vertical direction by rotation, and the valve clack 44 in the valve rod 4 does not rotate integrally along with the valve rod 4, so that the abrasion of the valve clack 44 can be reduced, the condition that the valve clack 44 leaks due to long-time abrasion is prevented, and the sealing valve clack pad 45 in the valve rod 4 can further improve the sealing degree of the utility model; the hand wheel 5 is used for manually rotating the valve rod 4 through the hand wheel 5 by hands; the whole locking mechanism 6 adopts a steel metal structure, a main body support ring 61 and an installation connecting frame 62 in the locking mechanism 6 are integrated, and the main body support ring 61 in the locking mechanism 6 is fixed on the surface of the valve neck 2 through the installation connecting frame 62; the hand wheel support frame 63 inside the locking mechanism 6 and the hand wheel 5 are integrated, and the main body support ring 61 inside the locking mechanism 6 and the hand wheel support frame 63 are fixed together through the limit bolt 64, so that the valve neck 2 and the valve rod 4 can be indirectly fixed together, the hand wheel support frame 63 and the hand wheel 5 can not rotate by inserting the limit bolt 64, and the valve clack 44 is prevented from rotating due to the fact that the rear part impacts the valve clack 44 due to overlarge pressure, and the backflow phenomenon of the utility model is caused; check valve 9 adopts a set of direction control valve that makes its inside liquid can only one direction flow and can not reverse flow, and check valve 9 is connected with oral siphon 8 through the screwed pipe that both ends extended out, this check valve 9 seals through the unsintered tape with oral siphon 8's junction, be favorable to when guaranteeing rivers can normally flow, also can prevent because of the pressure differential before valve clack 44 does not playback, the water of short-term prevention countercurrent, certain time is striven for to close valve clack 44 not, be convenient for valve clack 44 normally to close.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. A stop valve with non return function which characterized in that: including valve body (1), valve neck (2), fixed valve gap (3), valve rod (4), hand wheel (5), locking mechanical system (6), delivery port (7), oral siphon (8) and check valve (9), wherein: the valve rod (4) comprises a main body supporting rod (41), a hand wheel connecting area (42), a movable threaded area (43), a valve clack (44) and a sealing valve clack pad (45), the hand wheel connecting area (42) is welded above the main body supporting rod (41), and the movable threaded area (43) is welded at the middle-lower position of the valve rod (4); the valve clack (44) is arranged at the bottom of the main body supporting rod (41) through a bearing, and a sealing valve clack pad (45) is adhered to the outer side of the valve clack (44); the locking mechanism (6) comprises a main body support ring (61), an installation connecting frame (62), a hand wheel support frame (63) and a limiting bolt (64), the installation connecting frame (62) is welded on the inner side of the main body support ring (61), and the hand wheel support frame (63) is positioned right above the main body support ring (61); the limiting bolt (64) is inserted into the main body support ring (61) and the hand wheel support frame (63) through the hole.
2. A check-capable shut-off valve as defined in claim 1, wherein: the valve rod (4) is embedded in the fixed valve cover (3), the valve rod (4) is installed above the valve neck (2) through the fixed valve cover (3), the valve body (1) is welded below the valve neck (2), the rear end of the valve body (1) is provided with a water outlet (7) through threads, and the front end of the valve body (1) is provided with a water inlet pipe (8) through threads; the upper end of the locking mechanism (6) is installed on the outer side of the hand wheel (5) through a bolt, and the lower end of the locking mechanism (6) is installed on the outer side of the valve neck (2) through a bolt; the check valve (9) is installed inside the water inlet pipe (8) through threads.
3. A check-capable shut-off valve as defined in claim 1, wherein: the valve rod (4) is made of stainless steel metal, the valve rod (4) can be driven to rotate through rotation of a hand wheel (5), and the valve rod (4) can move in the vertical direction through rotation of a moving threaded area (43) in the valve rod; the valve clack (44) in the valve rod (4) can rotate without following the rotation of the main body supporting rod (41) through a bearing in the valve clack, and a sealing valve clack pad (45) in the valve rod (4) adopts a corrosion-resistant silica gel sleeve.
4. A check-capable shut-off valve as defined in claim 1, wherein: the whole locking mechanism (6) is of a steel metal structure, a main body support ring (61) in the locking mechanism (6) and an installation connecting frame (62) are integrated, and the main body support ring (61) in the locking mechanism (6) is fixed on the surface of the valve neck (2) through the installation connecting frame (62); a hand wheel support frame (63) inside the locking mechanism (6) and the hand wheel (5) are integrated, and a main body support ring (61) inside the locking mechanism (6) and the hand wheel support frame (63) are fixed together through a limiting bolt (64).
5. A check-capable shut-off valve as defined in claim 1, wherein: check valve (9) adopt a set of direction control valve that makes its inside liquid can only one direction flow and can not reverse flow, and check valve (9) are connected with oral siphon (8) through the screwed pipe that both ends extended out, and the junction of this check valve (9) and oral siphon (8) is sealed through the raw material area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220448752.4U CN217328732U (en) | 2022-03-02 | 2022-03-02 | Stop valve with non-return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220448752.4U CN217328732U (en) | 2022-03-02 | 2022-03-02 | Stop valve with non-return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328732U true CN217328732U (en) | 2022-08-30 |
Family
ID=82999390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220448752.4U Active CN217328732U (en) | 2022-03-02 | 2022-03-02 | Stop valve with non-return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328732U (en) |
-
2022
- 2022-03-02 CN CN202220448752.4U patent/CN217328732U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240423 Address after: 330200, 148 meters southeast of No. 288 Liantang South Avenue, Silver Triangle Management Committee, Nanchang County, Nanchang City, Jiangxi Province Patentee after: Jiangxi Hongxu Construction Engineering Co.,Ltd. Country or region after: China Address before: No. 808, Wen 1st Road, Bihu Town, Liandu District, Lishui City, Zhejiang Province, 323000 Patentee before: Lishui Yongneng Valve Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |