CN213332592U - Fireproof locking mechanism - Google Patents
Fireproof locking mechanism Download PDFInfo
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- CN213332592U CN213332592U CN202021621894.3U CN202021621894U CN213332592U CN 213332592 U CN213332592 U CN 213332592U CN 202021621894 U CN202021621894 U CN 202021621894U CN 213332592 U CN213332592 U CN 213332592U
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Abstract
The utility model provides a fire prevention blocked mechanical system, including base and valve block mechanism, valve block mechanism rotates and installs on the base, fire prevention blocked mechanical system includes the mount pad, blocking spring and fuse link, mount pad fixed mounting is on the base, blocking spring fixed mounting is on the mount pad, the fuse link respectively with mount pad and blocking spring coupling, blocking spring triggers the formula with valve block mechanism and is connected, it indicates to trigger the formula, temperature rise around the fuse link, fuse link fusing, trigger the blocking spring and rotate, make blocking spring and valve block mechanism be connected, through the setting of the blocking spring who triggers the formula, be convenient for lock valve block mechanism under the high temperature condition, prevent that valve block mechanism from opening, can prevent the air current circulation at check valve both ends, thereby prevent the intensity of a fire from stretching, improve the security of check valve.
Description
Technical Field
The utility model belongs to flue check valve field, concretely relates to a fire prevention blocked mechanical system 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 blocked mechanical system, includes base and valve block mechanism, and valve block mechanism rotates and installs on the base, fire prevention blocked mechanical system installs on the base, and fire prevention blocked mechanical system includes mount pad, locking spring and fuse-link, and mount pad fixed mounting is on the base, and locking spring fixed mounting is on the mount pad, and the fuse-link triggers the formula with mount pad and locking spring connection respectively, locking spring and valve block mechanism and is connected.
Further, the mount pad is including installation bedplate and spring seat board, and installation bedplate fixed mounting is on the base, and the spring seat board is connected perpendicularly on the installation bedplate, fuse link and spring seat board fixed connection, and locking spring fixed mounting is between installation bedplate and base.
Furthermore, the two sides of the installation seat plate are provided with fixing lugs, the fixing lugs are arranged in a folding mode relative to the installation seat plate, an installation gap is formed between the fixing lugs and the base, and one end of the locking spring is fixedly installed in the installation gap.
Furthermore, dig on the fixed ear and be equipped with first mounting hole, dig on the installation bedplate and be equipped with the second mounting hole, the mount pad is through first mounting hole, second mounting hole fixed mounting on the base.
Furthermore, the installation seat plate is fixedly connected with a reinforcing plate, and the reinforcing plate and the spring seat plate are respectively and fixedly connected to two opposite sides of the installation seat plate.
Further, the locking spring comprises a connecting portion, a locking portion and a torsion spring portion, the two ends of the locking portion are fixedly connected with the torsion spring portion, the connecting portion is fixedly connected to the other end of the torsion spring portion, and the connecting portion is fixedly connected with the base.
Furthermore, the locking part is U-shaped, and the fuse link is fixedly connected at the middle position of the locking part.
Further, the connecting part is in a ring shape.
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.
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.
The beneficial effects of the utility model are that, (1) through this fire prevention blocked mechanical system's setting, carry out the locking to valve block mechanism when the high temperature, prevent that valve block mechanism from opening under the striking of inside air current or foreign matter to prevent inside air current and outside air current intercommunication, prevent stretching of intensity of a fire, improve the security performance of flue check valve.
(2) Temperature rises around the fuse link, and the fuse link fusing triggers the locking spring and rotates for the locking spring is connected with valve block mechanism, through the setting of the locking spring of triggering formula, is convenient for lock the valve block mechanism under the high temperature condition, prevents that valve block mechanism from opening, can prevent the air current circulation at check valve both ends, thereby prevents that the intensity of a fire from stretching, improves the security 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 after being rotated by a certain angle.
Fig. 3 is a schematic structural view of the locking mechanism.
Fig. 4 is a schematic view of the structure of fig. 3 after being rotated by a certain angle.
Reference numerals: the valve plate fixing device comprises a base 1, a valve plate mechanism 2, a mounting seat 3, a locking spring 4, a fuse link 5, a mounting seat plate 6, a spring seat plate 7, a fixing lug 8, a mounting gap 9, a first mounting hole 10, a second mounting hole 11, a connecting portion 12, a locking portion 13, a torsion spring portion 14, a valve plate 15, a valve plate rotating support 16, a valve plate mounting seat 17, a rotating shaft 18, a reset spring 19 and a reinforcing plate 20.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a fire prevention blocked mechanical system, includes base 1 and valve block mechanism 2, and valve block mechanism 2 rotates and installs on base 1, fire prevention blocked mechanical system installs on base 1, through this fire prevention blocked mechanical system's setting, when the high temperature, carries out the locking to valve block mechanism 2, prevents that valve block mechanism 2 from opening under the striking of inside air current or foreign matter to prevent inside air current and outside air current intercommunication, prevent stretching of intensity of a fire, improve the security performance of flue check valve.
Fireproof locking mechanism includes mount pad 3, blocking spring 4 and fuse- link 5, 3 fixed mounting of mount pad on base 1, 4 fixed mounting of blocking spring on mount pad 3, fuse-link 5 is connected with mount pad 3 and blocking spring 4 respectively, blocking spring 4 triggers the formula with valve block mechanism 2 and is connected, the formula that triggers is connected indicates, temperature risees around fuse-link 5, fuse-link 5 fusing, trigger blocking spring 4 and rotate, make blocking spring 4 be connected with valve block mechanism 2, blocking spring 4's through the formula that triggers setting, be convenient for under the high temperature condition, lock up valve block mechanism 2, prevent that valve block mechanism 2 from opening, can prevent the air current circulation at check valve both ends, thereby prevent that the intensity of a fire from stretching, improve the security of check valve.
The both sides of installation bedplate 6 are equipped with fixed ear 8, and the folding setting of 6 relative installation bedplate of fixed ear 8 forms installation clearance 9 between fixed ear 8 and the base 1, and locking spring 4's one end fixed mounting is in installation clearance 9, through the setting of installation clearance 9, is convenient for fix locking spring 4's one end to be convenient for locking spring 4 uses the canned paragraph to rotate as the centre of a circle, thereby realizes shutting.
Dig on fixed ear 8 and be equipped with first mounting hole 10, dig on the installation bedplate 6 and be equipped with second mounting hole 11, mount pad 3 is through first mounting hole 10, 11 fixed mounting of second mounting hole on base 1, improves the installation stability of mount pad 3.
Still fixedly connected with reinforcing plate 20 on the installation bedplate 6, reinforcing plate 20, spring seat board 7 are fixed connection respectively in two opposite sides of installation bedplate 6, and preferred, the step that reinforcing plate 20 and installation bedplate 6 formed, the laminating is on the base terminal surface, improves the laminating degree of fitting of mount pad 3 and base 1, through the setting of reinforcing plate 20, prevents that mount pad 3 from taking place to twist reverse owing to the elasticity that receives locking spring 4.
The locking spring 4 comprises a connecting portion 12, a locking portion 13 and a torsion spring portion 14, the torsion spring portion 14 is fixedly connected to the two ends of the locking portion 13, the connecting portion 12 is fixedly connected to the other end of the torsion spring portion 14, the connecting portion 12 is fixedly connected with the base 1, the valve plate is locked through the locking portion 13, the locking portion 13 is rotated through the torsion spring portion 14, and the locking spring 4 is fixedly installed on the base 1 through the connecting portion 12.
The U-shaped latch 13 facilitates uniform stress on both ends of the latch 13 and prevents the latch 13 from twisting, and the fuse link 5 is fixedly connected to the middle position of the latch 13.
The connecting portion 12 is circular, and when the connecting portion 12 is installed, the connecting portion 12 and the first installation hole 10 are coaxially arranged, and the screw is inserted into the connecting portion 12 to prevent the locking spring 4 from sliding out of the installation gap.
The valve plate mechanism 2 comprises a valve plate 15, a valve plate rotating support 16 and a valve plate mounting seat 17, the valve plate rotating support 16 is rotatably mounted on the valve plate mounting seat 17, and the valve plate 15 is fixedly connected with the valve plate rotating support 16.
Valve plate rotating support 16 is connected with valve plate mounting seat 17 through pivot 18, overlaps on pivot 18 and is equipped with reset spring 19, and reset spring 19 is connected with valve plate rotating support 16, valve plate mounting seat 17 respectively for valve plate 15 is in the closed state under the normality, prevents that the oil smoke outside the check valve from flowing into indoor.
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 blocked mechanical system, includes base (1) and valve block mechanism (2), and valve block mechanism (2) rotate and install on base (1), fire prevention blocked mechanical system installs on base (1), its characterized in that, fire prevention blocked mechanical system include mount pad (3), blocking spring (4) and fuse link (5), and mount pad (3) fixed mounting is on base (1), and blocking spring (4) fixed mounting is on mount pad (3), and fuse link (5) are connected with mount pad (3) and blocking spring (4) respectively, and blocking spring (4) trigger formula with valve block mechanism (2) and are connected.
2. A fire blocking mechanism as claimed in claim 1, wherein the mounting seat (3) comprises a mounting seat plate (6) and a spring seat plate (7), the mounting seat plate (6) is fixedly mounted on the base (1), the spring seat plate (7) is vertically connected to the mounting seat plate (6), the fuse link (5) is fixedly connected to the spring seat plate (7), and the blocking spring (4) is fixedly mounted between the spring seat plate (7) and the base (1).
3. A fire blocking mechanism as claimed in claim 2, wherein the mounting plate (6) is provided with fixing lugs (8) at both sides thereof, the fixing lugs (8) are folded relative to the mounting plate (6), a mounting gap (9) is formed between the fixing lugs (8) and the base (1), and one end of the blocking spring (4) is fixedly mounted in the mounting gap (9).
4. A fire blocking mechanism as claimed in claim 3, wherein the fixing lug (8) is hollowed with a first mounting hole (10), the mounting plate (6) is hollowed with a second mounting hole (11), and the mounting block (3) is fixedly mounted on the base (1) through the first mounting hole (10) and the second mounting hole (11).
5. A fire blocking mechanism as claimed in claim 2, wherein the mounting plate (6) is further fixedly connected with a reinforcing plate (20), and the reinforcing plate (20) and the spring seat plate (7) are respectively fixedly connected to two opposite sides of the mounting plate (6).
6. The fireproof locking mechanism according to claim 1, wherein the locking spring (4) comprises a connecting portion (12), a locking portion (13) and a torsion spring portion (14), the torsion spring portion (14) is fixedly connected to both ends of the locking portion (13), the connecting portion (12) is fixedly connected to the other end of the torsion spring portion (14), and the connecting portion (12) is fixedly connected to the base (1).
7. A fire protection blocking mechanism as claimed in claim 6, wherein the blocking portion (13) is U-shaped, and the fuse link (5) is fixedly connected to an intermediate position of the blocking portion (13).
8. A fire blocking mechanism as claimed in claim 6, wherein the connecting portion (12) is annular.
9. The fire-proof locking mechanism as claimed in claim 1, wherein the valve plate mechanism (2) comprises a valve plate (15), a valve plate rotating bracket (16) and a valve plate mounting seat (17), the valve plate rotating bracket (16) is rotatably mounted on the valve plate mounting seat (17), and the valve plate (15) is fixedly connected with the valve plate rotating bracket (16).
10. A fireproof locking mechanism as claimed in claim 8, wherein the valve plate rotation bracket (16) is connected to the valve plate mounting seat (17) through a rotation shaft (18), a return spring (19) is sleeved on the rotation shaft (18), and the return spring (19) is respectively connected to the valve plate rotation bracket (16) and the valve plate mounting seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621894.3U CN213332592U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621894.3U CN213332592U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213332592U true CN213332592U (en) | 2021-06-01 |
Family
ID=76094841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021621894.3U Active CN213332592U (en) | 2020-08-06 | 2020-08-06 | Fireproof locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213332592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479132A (en) * | 2022-09-28 | 2022-12-16 | 杭州西蒙电器有限公司 | Fireproof check valve for public flue |
-
2020
- 2020-08-06 CN CN202021621894.3U patent/CN213332592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479132A (en) * | 2022-09-28 | 2022-12-16 | 杭州西蒙电器有限公司 | Fireproof check valve for public flue |
| CN115479132B (en) * | 2022-09-28 | 2023-04-07 | 杭州西蒙电器有限公司 | Fireproof check valve for public flue |
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