CN213145477U - Combined fireproof check valve - Google Patents
Combined fireproof check valve Download PDFInfo
- Publication number
- CN213145477U CN213145477U CN202021564290.XU CN202021564290U CN213145477U CN 213145477 U CN213145477 U CN 213145477U CN 202021564290 U CN202021564290 U CN 202021564290U CN 213145477 U CN213145477 U CN 213145477U
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- Prior art keywords
- lateral wall
- hole
- baffle
- check valve
- base
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- 238000007789 sealing Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 25
- 241000208125 Nicotiana Species 0.000 abstract description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a modular fire prevention check valve belongs to the fire prevention check valve field, which comprises a valve body, the base is installed on the lateral wall right side of valve body, the through-hole has been seted up to the lateral wall of base, the montant is installed at the inside wall top of through-hole, the spring is installed on the lateral wall right side of montant, the baffle is installed to the other end of spring, hinged joint is passed through with the lateral wall right side top of base at the lateral wall top of baffle, the sealing washer is installed in the lateral wall left side of baffle, the steel ring is installed in the lateral wall left side of valve body, threaded hole. The utility model discloses a mutual supporting of steel ring, screw hole, connecting rod, semicircle piece and sealed piece to make and be connected closely effectively to prevent the seepage with the tobacco pipe, mutually supporting of rethread base, through-hole, montant, spring, hinge, baffle and sealing washer, thereby can prevent the oil smoke backward flow, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a fire prevention check valve technical field especially relates to a modular fire prevention check valve.
Background
At present, fire valves and check valves on shared exhaust passages of buildings and houses in the market are mostly designed by combining products of the fire valves and the check valves.
The patent number CN201811270309 discloses a combined type fireproof check valve, which comprises a valve body, a movable plate, connecting rods and elastic screws, wherein four connecting rods are fixedly welded in the middle of the inner wall of the valve body, one ends of the connecting rods, which are far away from the valve body, are fixedly welded with fixed plates, movable rods are rotatably installed in the fixed plates through rotating seats, and four clamping and connecting rods are inserted in the positions, which are positioned in the connecting rods, in the valve body, the four connecting rods are abutted against the bottom of the movable plate through sliding blocks, so that the movable space of the movable plate is prevented, the movable plate cannot move when the movable plate is pushed from the outside, the phenomenon that the movable plate is opened to cause fire to spread to the home under the unknowing condition is avoided, large loss is caused, the clamping and connecting rods can be pushed into the movable rods by screwing the elastic screws, so that, the clamping rod is pushed out of the movable rod, so that the device can be taken down conveniently without great strength.
At present, the technology has certain defects: 1. the check valve has poor sealing performance at the joint of the smoke pipe, so that the smoke leaks; 2. after the oil smoke is discharged to a chimney through the check valve, the oil smoke is easy to flow back, so that the oil smoke flows back to home.
SUMMERY OF THE UTILITY MODEL
The utility model provides a modular fire prevention check valve through mutually supporting of steel ring, screw hole, connecting rod, semicircle piece and sealed piece to make and be connected closely effectively with the tobacco pipe and prevent the seepage, mutually supporting of rethread base, through-hole, montant, spring, hinge, baffle and sealing washer, thereby can prevent the oil smoke backward flow, can effectively solve the problem in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a combined fireproof check valve, which comprises a valve body, wherein a base is arranged on the right side of the outer side wall of the valve body, the outer side wall of the base is provided with a through hole, the top of the inner side wall of the through hole is provided with a vertical rod, the right side of the outer side wall of the vertical rod is provided with a spring, the other end of the spring is provided with a baffle plate, the top of the outer side wall of the baffle plate is connected with the top of the right side of the outer side wall of the base through a hinge, a sealing ring is arranged on the left side of the outer side wall of the baffle, a steel ring is arranged on the left side of the outer side wall of the valve body, the top of the outer side wall of the steel ring is provided with two groups of threaded holes which are symmetrically arranged at the bottom of the outer side wall of the steel ring, the inside wall fastening connection of screw hole has the connecting rod, the other end welding of connecting rod has semicircle piece and semicircle piece to be located the steel ring inside wall, sealed piece is installed to the lateral wall of semicircle piece.
Optionally, the baffle is circular and the size of the baffle is slightly larger than the diameter of the through hole.
Optionally, the sealing block is semicircular and is made of fireproof composite rubber.
Optionally, the outer side wall of the connecting rod is provided with a threaded groove.
Optionally, the diameter of the steel ring is the same as that of the through hole.
The utility model has the advantages as follows:
1. the utility model is practical, convenient to operate and good in use effect, the steel ring is arranged on the left side of the outer side wall of the valve body and used for fixing the smoke tube, a set of symmetrical threaded holes are arranged on the top and the top of the outer side wall of the steel ring, the threaded groove is arranged on the outer side wall of the connecting rod, so that the connecting rod is tightly connected with the inner side wall in the threaded hole, the semicircular block is welded at the other end of the connecting rod and is positioned on the inner side wall of the steel ring, the sealing block is arranged on the outer side wall of the semicircular block and is semicircular, the sealing block is made of fireproof composite rubber material and is inserted between the two sets of sealing blocks through the smoke tube, because the sealing block is semicircular, the two sets of sealing blocks wrap the outer side wall of the smoke tube, because the connecting rod is in threaded connection with the threaded holes, the connecting rod is rotated, thereby preventing the oil smoke from leaking from the joint.
2. In the utility model, the right side of the outer side wall of the valve body is provided with the base which is connected with the chimney, the outer side wall of the base is provided with a through hole, the diameter of the through hole is the same as that of the steel ring, thereby facilitating the discharge of oil smoke, the top of the inner side wall of the through hole is provided with a vertical rod, the right side of the outer side wall of the vertical rod is provided with a spring, the other end of the spring is provided with a baffle plate, the baffle plate is positioned on the right side of the outer side wall of the base, the top of the baffle plate is connected with the right side of the top of the outer side wall of the, when the oil smoke is pumped out by the range hood, the oil smoke can push the baffle plate, so that the baffle plate rotates on the outer side wall of the base, when the range hood stops working, because the baffle does not receive outside thrust to the spring can pull back the baffle, and the sealing washer is installed on the lateral wall left side of baffle, and the diameter and the through-hole diameter of sealing washer are the same, thereby the spring pulls back and fixes the sealing washer in through-hole department, thereby can prevent the oil smoke backward flow.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a combined fire check valve according to an embodiment of the present invention;
fig. 2 is a schematic view of a semicircular block structure of the combined fire check valve according to an embodiment of the present invention;
fig. 3 is a schematic view of a base structure of the combined fire check valve according to an embodiment of the present invention.
In the figure: 1. a valve body; 2. a base; 3. a threaded hole; 4. steel rings; 5. a semicircular block; 6. connecting rod, 7, screw thread groove; 8. a sealing block; 9. a vertical rod; 10. a spring; 11. a hinge; 12. a baffle plate; 13. a through hole; 14. and (5) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 belong to the protection scope of the present invention.
A combined fire check valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in figures 1-3, a combined fireproof check valve comprises a valve body 1, a base 2 is installed on the right side of the outer side wall of the valve body 1, a through hole 13 is formed in the outer side wall of the base 2, a vertical rod 9 is installed at the top of the inner side wall of the through hole 13, a spring 10 is installed on the right side of the outer side wall of the vertical rod 9, a baffle 12 is installed at the other end of the spring 10, the top of the outer side wall of the baffle 12 is connected with the top of the right side of the outer side wall of the base 2 through a hinge 11, a sealing ring 14 is installed on the left side of the outer side wall of the baffle 12, a steel ring 4 is installed on the left side of the outer side wall of the valve body 1, a threaded hole 3 is formed in the top of the outer side wall of the steel ring 4, two groups of the, and a sealing block 8 is arranged on the outer side wall of the semicircular block 5. Wherein, mutually supporting through steel ring, screw hole, connecting rod, semicircle piece and sealed piece to make and be connected closely effectively to prevent the seepage with the tobacco pipe, rethread base, through-hole, montant, spring, hinge, baffle and sealing washer mutually support, thereby can prevent the oil smoke backward flow.
In this embodiment, as shown in fig. 2, the baffle 12 is circular and the size of the baffle 12 is slightly larger than the diameter of the through hole 13. Wherein, can effectual prevention oil smoke backward flow.
In this embodiment, as shown in fig. 3, the sealing block 8 is semicircular and the sealing block 8 is made of fireproof composite rubber. The fireproof composite rubber has good sealing performance and fireproof performance.
In this embodiment, as shown in fig. 3, the outer side wall of the connecting rod 6 is provided with a threaded groove 7. Wherein, the thread groove can be effectively connected with the thread hole by thread.
In the embodiment shown in fig. 1-3, the diameter of the steel ring 4 is the same as the diameter of the through hole 13. Wherein, make things convenient for the oil smoke to discharge.
It should be noted that, the utility model relates to a combined fire-proof check valve, in operation, the steel ring 4 is installed on the left side of the lateral wall of the valve body 1, the steel ring 4 is used for fixing the smoke tube, a set of symmetrical screw holes 3 are opened on the top and the top of the lateral wall of the steel ring 4, the lateral wall of the connecting rod 6 is opened with the screw groove 7, thereby the connecting rod 6 is tightly connected with the inner side wall of the screw hole 3, the other end of the connecting rod 6 is welded with the semicircular block 5, the semicircular block 5 is located on the inner side wall of the steel ring 4, the sealing block 8 is installed on the lateral wall of the semicircular block 5, the sealing block 8 is semicircular and the sealing block 8 is made of fire-proof composite rubber material, the smoke tube is inserted between the two sets of sealing blocks 8, because the sealing block 8 is semicircular, thereby the lateral wall of the smoke tube is wrapped by, so that the connecting rod 6 rotates in the threaded hole 3, thereby two groups of sealing blocks 8 can effectively fix the smoke tube in the steel ring 4, thereby preventing the oil smoke from leaking from the joint, the base 2 is installed on the right side of the outer side wall of the valve body 1, the base 2 is connected with the chimney, the outer side wall of the base 2 is provided with a through hole 13, the diameter of the through hole 13 is the same as that of the steel ring 4, thereby facilitating the oil smoke to be discharged, the vertical rod 9 is installed on the top of the inner side wall of the through hole 13, the spring 10 is installed on the right side of the outer side wall of the vertical rod 9, the baffle 12 is installed at the other end of the spring 10, the baffle 12 is positioned on the right side of the outer side wall of the base, the top of the baffle 12 is connected with the right side of the top of the outer side wall of the base 2 through a, therefore, the spring 10 pulls back the baffle 12, the sealing ring 14 is installed on the left side of the outer side wall of the baffle 12, the diameter of the sealing ring 14 is the same as that of the through hole 13, and the sealing ring 14 is fixed at the through hole 13 by pulling back the spring 10, so that oil smoke can be prevented from flowing back.
The utility model relates to a combined fire-proof check valve 1 and a valve body; 2. a base; 3. a threaded hole; 4. steel rings; 5. a semicircular block; 6. connecting rod, 7, screw thread groove; 8. a sealing block; 9. a vertical rod; 10. a spring; 11. a hinge; 12. a baffle plate; 13. a through hole; 14. the seal ring components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art through technical manuals or through routine experimentation.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a combined fire prevention check valve, includes valve body (1), its characterized in that, base (2) are installed on the lateral wall right side of valve body (1), through-hole (13) have been seted up to the lateral wall of base (2), montant (9) are installed at the inside wall top of through-hole (13), spring (10) are installed on the lateral wall right side of montant (9), baffle (12) are installed to the other end of spring (10), the lateral wall top of baffle (12) is connected through hinge (11) with the lateral wall right side top of base (2), sealing washer (14) are installed in the lateral wall left side of baffle (12), steel ring (4) are installed in the lateral wall left side of valve body (1), threaded hole (3) have two sets ofly to be the symmetry and set up in the lateral wall bottom of steel ring (4), the inside wall fastening connection of screw hole (3) has connecting rod (6), the other end welding of connecting rod (6) has semicircle piece (5) and semicircle piece (5) to be located steel ring (4) inside wall, sealed piece (8) are installed to the lateral wall of semicircle piece (5).
2. A combined fire protection check valve according to claim 1, characterized in that the flap (12) is circular and the size of the flap (12) is slightly larger than the diameter of the through hole (13).
3. A combined fire protection check valve according to claim 1, characterized in that the sealing block (8) is semicircular and the sealing block (8) is made of fire-resistant composite rubber.
4. A combined fire protection check valve according to claim 1, characterized in that the outer side wall of the connecting rod (6) is provided with a threaded groove (7).
5. A combined fire protection check valve according to claim 1, characterized in that the diameter of the steel ring (4) is the same as the diameter of the through hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564290.XU CN213145477U (en) | 2020-07-31 | 2020-07-31 | Combined fireproof check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564290.XU CN213145477U (en) | 2020-07-31 | 2020-07-31 | Combined fireproof check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145477U true CN213145477U (en) | 2021-05-07 |
Family
ID=75735289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021564290.XU Active CN213145477U (en) | 2020-07-31 | 2020-07-31 | Combined fireproof check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145477U (en) |
-
2020
- 2020-07-31 CN CN202021564290.XU patent/CN213145477U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240919 Address after: No. 302, 3rd Floor, No. 16 Tianshan North Road, Economic and Technological Development Zone, Qinhuangdao City, Hebei Province, 066000 Patentee after: Qinhuangdao Science and Technology Achievement Transformation Promotion Association Country or region after: China Address before: 300353 No.16, Huoju Road, beizhakou Town, Jinnan District, Tianjin Patentee before: TIANJIN QICHANG VALVE MANUFACTURE Co.,Ltd. Country or region before: China |