CN213332591U - Fireproof locking structure for flue check valve - Google Patents
Fireproof locking structure for flue check valve Download PDFInfo
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- CN213332591U CN213332591U CN202021612050.2U CN202021612050U CN213332591U CN 213332591 U CN213332591 U CN 213332591U CN 202021612050 U CN202021612050 U CN 202021612050U CN 213332591 U CN213332591 U CN 213332591U
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Abstract
The utility model provides a fire prevention shutting structure for flue check valve, fire prevention shutting structure installs on the flue check valve, the flue check valve includes base and valve block mechanism, valve block mechanism rotates and installs on the base, fire prevention shutting structure includes the mounting bracket and is used for carrying out the locking subassembly of locking to valve block mechanism, it is equipped with spout and locking groove to dig on the mounting bracket, the locking groove is connected with the spout, form the slide, locking subassembly slidable mounting is in the slide, when the temperature risees, trigger locking subassembly work, the locking subassembly passes through the spout and slips into the locking inslot, the locking groove is with locking subassembly locking, prevent that the locking subassembly from taking place to slide in the slide, prevent that the locking subassembly from receiving high temperature influence and losing the effect of locking valve block mechanism, the fire prevention shutting structure of this check valve has better stability, improve the security performance.
Description
Technical Field
The utility model belongs to flue check valve field, concretely relates to fire prevention blocking structure for flue check valve.
Background
The flue check valve is also called a reverse flow valve, a check valve, a back pressure valve and a check valve. The valve is opened and closed automatically by the force produced by the medium flowing in the pipeline, and is one automatic valve with non-return valve for pipeline system to prevent medium from flowing backwards and suitable for various kinds of medium pipeline. The check valve is arranged on the pipeline to form one of the fluid components of the complete pipeline, and the flue check valve is also called an inner wall hood and is also an environment-friendly product popularized by the construction department. The method is widely applied to modern housing construction. The generation of the flue check valve solves a great problem for novel high-grade houses. It can prevent the oil smoke refluence, can play the connection effect of pipeline again.
In the prior art, when a fire disaster occurs, indoor airflow needs to be isolated from external airflow, and the check valve is easily opened under the impact of the airflow or foreign matters when being in a closed state, so that the internal airflow is communicated with the external airflow to cause the spread of fire, and potential safety hazards exist.
Disclosure of Invention
To above not enough, the utility model aims to solve the technical problem that a fire prevention blocked mechanical system for flue check valve is provided for prevent that the valve block from receiving the air current and strikeing down and opening, improve the security performance of check valve.
In order to solve the technical problems, the utility model adopts the technical proposal that,
the utility model provides a fire prevention blocking structure for flue check valve, fire prevention blocking structure installs on the flue check valve, and the flue check valve includes base and valve block mechanism, and valve block mechanism rotates and installs on the base, and fire prevention blocking structure includes mounting bracket and locking subassembly, digs on the mounting bracket and is equipped with spout and locking groove, and the locking groove is connected with the spout, forms the slide, and locking subassembly slidable mounting is in the slide.
Furthermore, the locking groove is obliquely arranged relative to the sliding groove.
Furthermore, the included angle between the locking groove and the sliding groove is 130-160 degrees.
Further, the valve plate mechanism comprises a valve plate, a valve plate rotating support and a valve plate mounting seat, the valve plate rotating support is rotatably mounted on the valve plate mounting seat, and the valve plate is fixedly connected with the valve plate rotating support.
Further, the thickness of valve block rotating bracket is crescent to in leading-in locking groove of locking subassembly.
Furthermore, the upper end surface of the valve plate rotating support is arranged in a circular arc shape.
Furthermore, the valve plate rotating support is connected with the valve plate mounting seat through a rotating shaft, a return spring is sleeved on the rotating shaft, and the return spring is respectively connected with the valve plate rotating support and the valve plate mounting seat.
Further, the mounting bracket includes slide rail frame board and connection frame board, and the slide rail frame board is installed in pairs at the both ends of connecting the frame board, and spout, locking groove dig and establish on the slide rail frame board.
Further, the locking subassembly includes elastic component, locking pole and fuse-link, and locking pole slidable mounting is in the slide, and elastic component and slide rail frame plate elastic connection are passed through at the both ends of locking pole, and the locking pole passes through the fuse-link and connects on connecting the frame plate.
Furthermore, one side of the slide rail frame plate is provided with a connecting groove, the connecting frame plate is fixedly connected with the slide rail frame plate through the connecting groove, the other side of the slide rail frame plate is provided with a connecting lug, and the elastic part is connected with the slide rail frame plate through the connecting lug.
The beneficial effects of the utility model are that, when the temperature rose, trigger locking subassembly work, the locking subassembly passes through the spout and slides in the locking inslot, and the locking groove prevents the locking subassembly from taking place to slide in the slide with the locking subassembly locking, prevents that the locking subassembly from receiving the high temperature influence and losing the effect of locking valve block mechanism, and the fire prevention blocking structure of this check valve has better stability, improves the security performance of check valve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of fig. 1 with a part of the housing hidden.
Fig. 3 is a schematic structural view of the slide rail frame plate.
Reference numerals: base 1, valve block mechanism 2, mounting bracket 3, locking subassembly 4, spout 5, locking groove 6, slide 7, valve block 8, valve block runing rest 9, valve block mount pad 10, pivot 11, reset spring 12, slide rail frame plate 13, connection frame plate 14, elastic component 15, locking pole 16, fuse-link 17, spread groove 18, engaging lug 19.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
A fireproof locking structure for a flue check valve is arranged on the flue check valve, the flue check valve comprises a base 1 and a valve plate mechanism 2, the valve plate mechanism 2 is rotatably arranged on the base 1, the fireproof locking structure comprises an installation frame 3 and a locking assembly 4 for locking the valve plate mechanism 2, a sliding groove 5 and a locking groove 6 are dug on the installation frame 3, the locking groove 6 is connected with the sliding groove 5 to form a sliding way 7, the locking assembly 4 is slidably arranged in the sliding way 7, when the temperature rises, the locking assembly 4 is triggered to work, the locking assembly slides into the locking groove 6 through the sliding groove 5, the locking groove 6 locks the locking assembly 4, the locking assembly 4 is prevented from sliding in the sliding way 7, the locking assembly 4 is prevented from losing the function of the locking valve plate mechanism 2 due to the influence of high temperature, and the fireproof locking structure of the check valve has better stability, the safety performance of the check valve is improved.
The locking groove 6 is obliquely arranged relative to the sliding groove 5, the included angle between the locking groove 6 and the sliding groove 5 is 130-160 degrees, the locking assembly 4 is locked through the oblique locking groove 6, and the stability of the fireproof locking mechanism is improved.
The valve plate mechanism 2 comprises a valve plate 8, a valve plate rotating support 9 and a valve plate mounting seat 10, the valve plate rotating support 9 is rotatably mounted on the valve plate mounting seat 10, the valve plate 8 is fixedly connected with the valve plate rotating support 9, and the locking assembly 4 is guided into the locking groove 6 through the valve plate rotating support 9.
Valve block rotating bracket 9's thickness grow gradually, in order to with locking subassembly 4 leading-in locking groove 6, valve block rotating bracket 9's upper end is arc setting, arc setting is in order to make valve block rotating bracket 9's front end and locking subassembly 4 contactless, reduce valve block rotating bracket 9 and to the frictional force of locking subassembly, the locking pole receives the pulling force of spring freely with higher speed, when removing to spout 5, locking groove 6 juncture, valve block rotating bracket 9 is with the leading-in locking groove 6 of locking pole in, and when the valve block atress, because spout 5, locking groove 6 slope sets up each other, valve block rotating bracket 9 pushes away the locking pole to 6 tip in locking groove, thereby make valve block rotating bracket 9 unable continuation rotation, thereby realize the locking.
The valve plate rotating support 9 is connected with the valve plate mounting seat 10 through a rotating shaft 11, a return spring 12 is sleeved on the rotating shaft 11, and the return spring 12 is respectively connected with the valve plate rotating support 9 and the valve plate mounting seat 10, so that the valve plate 8 is in a closed state in a normal state, and oil smoke outside the check valve is prevented from flowing into a room.
Locking subassembly 4 includes elastic component 15, locking pole 16 and fuse-link 17, and locking pole 16 slidable mounting is in slide 7, and elastic component 15 and slide rail frame plate 13 elastic connection are passed through at the both ends of locking pole 7, and locking pole 16 passes through fuse-link 18 to be connected on connecting frame plate 14, and when the temperature rose, fuse-link 18 fusing, locking pole 16 slide in slide 7 through the elastic component, and is preferred, and elastic component 15 is the spring.
One side of the slide rail frame plate 13 is provided with a connecting groove 18, the connecting frame plate 14 is fixedly connected with the slide rail frame plate 13 through the connecting groove 18, the other side of the slide rail frame plate 13 is provided with a connecting lug 19, and the elastic part 15 is connected with the slide rail frame plate 13 through the connecting lug 19.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a fire prevention blocking structure for flue check valve, fire prevention blocking structure installs on the flue check valve, and the flue check valve includes base (1) and valve block mechanism (2), and valve block mechanism (2) rotate and install on base (1), and its characterized in that, fire prevention blocking structure includes mounting bracket (3) and locking subassembly (4), digs on mounting bracket (3) and is equipped with spout (5) and locking groove (6), and locking groove (6) are connected with spout (5), form slide (7), and locking subassembly (4) slidable mounting is in slide (7).
2. A fire blocking structure for a flue check valve according to claim 1, wherein the locking groove (6) is disposed obliquely to the slide groove (5).
3. A fire blocking structure for a flue check valve according to claim 2, wherein the angle between the locking groove (6) and the sliding groove (5) is 130 ° to 160 °.
4. The fire-proof locking structure for the flue check valve according to claim 2, wherein the valve plate mechanism (2) comprises a valve plate (8), a valve plate rotating bracket (9) and a valve plate mounting seat (10), the valve plate rotating bracket (9) is rotatably mounted on the valve plate mounting seat (10), and the valve plate (8) is fixedly connected with the valve plate rotating bracket (9).
5. A fire blocking structure for a flue gas duct check valve according to claim 3, wherein the thickness of the plate pivoting bracket (9) is gradually increased to guide the locking assembly (4) into the locking groove (6).
6. The fire-proof locking structure for the flue check valve according to claim 3, wherein the upper end surface of the valve plate rotating bracket (9) is arranged in a circular arc shape.
7. The fire-proof locking structure for the flue check valve according to claim 4, wherein the valve plate rotating bracket (9) is connected with the valve plate mounting seat (10) through a rotating shaft (11), a return spring (12) is sleeved on the rotating shaft (11), and the return spring (12) is respectively connected with the valve plate rotating bracket (9) and the valve plate mounting seat (10).
8. A fire blocking structure for a flue check valve according to claim 1, wherein the mounting frame (3) comprises a rack plate (13) and a connecting plate (14), the rack plates (13) are installed at both ends of the connecting plate (14) in pairs, and the sliding groove (5) and the locking groove (6) are dug on the rack plate (13).
9. The fire blocking structure for the flue check valve according to claim 8, wherein the locking assembly (4) comprises an elastic member (15), a locking rod (16) and a fuse link (17), the locking rod (16) is slidably mounted in the slideway (7), two ends of the locking rod (16) are elastically connected with the sliding rail frame plate (13) through the elastic member (15), and the locking rod (16) is connected on the connecting frame plate (14) through the fuse link (17).
10. The fire blocking structure for a flue check valve according to claim 1,
one side of the sliding rail frame plate (13) is provided with a connecting groove (18), the connecting frame plate (14) is fixedly connected with the sliding rail frame plate (13) through the connecting groove (18), the other side of the sliding rail frame plate (13) is provided with a connecting lug (19), and the elastic part (15) is connected with the sliding rail frame plate (13) through the connecting lug (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021612050.2U CN213332591U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking structure for flue check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021612050.2U CN213332591U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking structure for flue check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332591U true CN213332591U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021612050.2U Active CN213332591U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking structure for flue check valve |
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| Country | Link |
|---|---|
| CN (1) | CN213332591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776862A (en) * | 2022-05-18 | 2022-07-22 | 杭州老板电器股份有限公司 | Fire damper integrated structure |
-
2020
- 2020-08-06 CN CN202021612050.2U patent/CN213332591U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776862A (en) * | 2022-05-18 | 2022-07-22 | 杭州老板电器股份有限公司 | Fire damper integrated structure |
| CN114776862B (en) * | 2022-05-18 | 2024-05-24 | 杭州老板电器股份有限公司 | Fire-proof valve integrated structure |
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