Novel adjustable fireproof valve
Through the combination of fireproof board and electric push rod and dustproof box design, the problems of unsolid sealing and dustproofing of fire valves are solved, and stable sealing and dustproofing effects are achieved, reducing fire risk.
Patent Information
- Application Number
- CN202422636319.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The splicing of multiple blades of existing fire valves is easy to be closed firmly, which has safety hazards and does not have dustproof effects. Dust impurities are easy to enter the passage, increasing the risk of fire spread.
The fireproof board is combined with an electric push rod, and the electric push rod is controlled by a fire-proof inductor to push the fireproof board to rotate and seal, combining the dustproof box and limit structure to achieve the stable sealing and dustproof function of the fireproof board.
It improves the stability and sealing of the fireproof board, prevents flames and smoke from entering the passage, keeps the passage clean, reduces safety hazards, and facilitates the cleaning of the dust box.
Smart Images
Figure CN223191087U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire dampers, in particular to a novel adjustable fire damper. Background Art
[0002] A fire damper is a safety device used in ventilation, air conditioning and smoke exhaust systems. Its main function is to automatically close when a fire occurs, preventing the spread of fire and smoke, thereby protecting the safety of buildings and personnel.
[0003] However, in the prior art, most fire dampers use multiple blades to close the channel, but the joints of the multiple blades are easily loose, allowing fire or smoke to pass through, posing certain safety hazards. In addition, most fire dampers do not have a dust-proof effect, and dust and impurities can easily enter the interior of the channel, making it inconvenient to clean. In the event of a fire, dust and impurities can easily accelerate the spread of the fire, increasing the danger. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that most fire dampers use multiple blades to close the channel, but the joints of the multiple blades are easily loose, thereby allowing fire or smoke to pass through the channel, which poses certain safety hazards. In addition, most fire dampers do not have a dust-proof effect, and dust and impurities can easily enter the interior of the channel, making it inconvenient to clean. In the event of a fire, dust and impurities can easily accelerate the spread of the fire, increasing the danger.
[0005] To achieve the above-mentioned object, the present invention adopts the following technical solution: a novel adjustable fire damper, comprising: a housing, a connecting shaft fixedly embedded in the lower end of one side of the interior of the housing, a fireproof plate movably sleeved on the outer surface of the connecting shaft, the fireproof plate movably embedded in the interior of the housing, and further comprising:
[0006] Two arc-shaped grooves are provided on opposite sides of the inner portion of the housing. Limit blocks are movably embedded in the inner portions of the two arc-shaped grooves. The two limit blocks are fixedly mounted on both sides of the end of the fireproof plate away from the connecting shaft.
[0007] A rectangular sealing gasket is fixedly embedded in a side of the housing close to the fireproof board;
[0008] The fire sensor is arranged on the outer surface of the shell.
[0009] Preferably, a connector 1 is fixedly installed at the center of one side of the fireproof board close to the limit block, a connecting block is movably embedded in the interior of the connector 1, and an electric push rod is fixedly connected to the outer surface of the connecting block.
[0010] The technical effect of adopting the above further solution is that the electric push rod can drive the connecting block to rotate inside the connector 1, thereby driving the fireproof board to adjust to different angles.
[0011] Preferably, a second connector is fixedly installed at the center of the bottom end of the inner portion of the shell, and the other end of the electric push rod is movably embedded in the inner portion of the second connector.
[0012] The technical effect of adopting the above further solution is that the other end of the electric push rod is movably embedded in the interior of the second connector and rotates inside the second connector.
[0013] Preferably, two sliding grooves are provided at the center of one side of the housing away from the second connector, and limiting plates are movably embedded in the two sliding grooves.
[0014] The technical effect of adopting the above further solution is that the limiting plate is movably embedded in the interior of the slide groove to limit the dust box, so that it is more stably embedded in the interior of the housing.
[0015] Preferably, dustproof boxes are fixedly mounted on opposite surfaces of the two limit plates, and a plurality of limit pins are movably embedded in opposite surfaces inside the two dustproof boxes, and the plurality of limit pins are evenly divided into two groups.
[0016] The technical effect of adopting the above further solution is that the dustproof box can prevent dust and block impurities from entering the interior of the channel.
[0017] Preferably, handles are fixedly mounted on opposite surfaces of the two groups of limit pins, and springs are fixedly connected to opposite ends of the two limit pins, and the two groups of springs are fixedly connected to the inside of the dustproof box.
[0018] The technical effect of adopting the above further solution is that the limit pin can be pulled to move by the handle, and the spring can drive the limit pin to embed into the interior of the limit hole.
[0019] Preferably, the opposite surfaces of the housing close to the inner side of the dustproof box are each provided with a plurality of limiting holes, and the plurality of limiting holes are evenly divided into two groups.
[0020] The technical effect of adopting the above further solution is that the limit pin is embedded in the limit hole to limit the dustproof box.
[0021] Compared with the prior art, the advantages and positive effects of the present invention are:
[0022] 1. In the present invention, the outer shell is fixedly installed inside the passage. When the fire sensor receives the fire signal, it is transmitted to the electric push rod. The electric push rod pushes the fireproof plate to rotate on the outer surface of the connecting shaft through the connecting block, so that the fireproof plate seals the inside of the outer shell. The electric push rod can also play a supporting role to improve the stability of the fireproof plate. A rectangular sealing gasket is fixedly installed in fit with the fireproof plate to improve the tightness between the fireproof plate and the outer shell to prevent flames or smoke from entering the passage. Limit blocks are fixedly installed on both sides of the upper end of the fireproof plate. The two limit blocks are movably embedded in the inside of the arc groove to improve the stability of the fireproof plate.
[0023] 2. In the utility model, a dust box is movably embedded in one side of the shell, and the dust box is movably embedded in the inside of the slide groove through two limit plates, so that the dust box is more stably embedded in the inside of the shell, and two sets of limit pins are embedded in the inside of the limit holes, so that the dust box is fixed on one side of the inside of the shell, which plays a role in preventing dust and impurities, improving the cleanliness of the inside of the channel, and reducing safety hazards. Pulling the two handles relative to each other can drive the limit pins to move out from the inside of the limit holes, so that the dust box can be taken out from the inside of the shell for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The utility model proposes a structural schematic diagram of a new adjustable fire damper;
[0025] Figure 2 The utility model proposes a schematic diagram of the explosion structure of a new adjustable fire damper;
[0026] Figure 3 The utility model provides a cross-sectional structural diagram of a new adjustable fire damper;
[0027] Figure 4 This utility model proposes a new type of adjustable fire damper Figure 3 Enlarged structural diagram at point A in the middle.
[0028] Legend:
[0029] 1. Housing; 101. Fire sensor; 102. Connecting shaft; 103. Slide; 104. Dust box; 105. Handle; 106. Limit pin; 107. Spring; 108. Limit block; 109. Fire panel; 110. Electric push rod; 111. Connector 2; 112. Rectangular sealing gasket; 113. Limit plate; 114. Arc groove; 115. Limit hole; 116. Connecting block; 117. Connector 1. DETAILED DESCRIPTION
[0030] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0032] Example 1, as Figure 1-4 As shown, the utility model provides a new adjustable fire damper, comprising: a housing 1, a connecting shaft 102 is fixedly embedded at the lower end of one side of the interior of the housing 1, a fire plate 109 is movably sleeved on the outer surface of the connecting shaft 102, and the fire plate 109 is movably embedded in the interior of the housing 1, and further comprising: two arcuate grooves 114, both of which are opened on opposite surfaces of the interior of the housing 1, and the interiors of the two arcuate grooves 114 are movably embedded with limit blocks 108, and the two limit blocks 108 are fixedly mounted on both sides of the fire plate 109 away from one end of the connecting shaft 102; The shaped sealing gasket 112 is fixedly embedded in the side of the shell 1 close to the fireproof plate 109; the fire sensor 101 is arranged on the outer surface of the shell 1; the connector 117 is fixedly installed at the center of the side of the fireproof plate 109 close to the limit block 108, and the interior of the connector 117 is movably embedded with a connecting block 116, and the outer surface of the connecting block 116 is fixedly connected to the electric push rod 110; the connector 2 111 is fixedly installed at the center of the bottom end of the shell 1, and the other end of the electric push rod 110 is movably embedded in the interior of the connector 2 111.
[0033] In this embodiment, the shell 1 is fixedly installed inside the channel. When the fire sensor 101 receives a fire signal, it transmits it to the electric push rod 110. The electric push rod 110 pushes the fire plate 109 to rotate on the outer surface of the connecting shaft 102 through the connecting block 116, so that the fire plate 109 seals the inside of the shell 1. The electric push rod 110 can also play a supporting role to improve the stability of the fire plate 109. A rectangular sealing gasket 112 is fixedly installed in fit with the fire plate 109 to improve the tightness between the fire plate 109 and the shell 1 to prevent flames or smoke from entering the channel. Limit blocks 108 are fixedly installed on both sides of the upper end of the fire plate 109. The two limit blocks 108 are movably embedded in the inside of the arc groove 114 to improve the stability of the fire plate 109.
[0034] Example 2, as Figure 1-4As shown, two slide grooves 103 are provided at the center of the side of the shell 1 away from the second connector 111, and a limit plate 113 is movably embedded inside the two slide grooves 103; the opposite surfaces of the two limit plates 113 are fixedly installed with a dust box 104, and the opposite surfaces inside the two dust boxes 104 are movably embedded with a plurality of limit pins 106, and the plurality of limit pins 106 are evenly divided into two groups; the opposite surfaces of the two groups of limit pins 106 are fixedly installed with handles 105, and the opposite ends of the two limit pins 106 are fixedly connected to springs 107, and the two groups of springs 107 are fixedly connected to the inside of the dust box 104; the opposite surfaces of the inside of the shell 1 close to the dust box 104 are provided with a plurality of limit holes 115, and the plurality of limit holes 115 are evenly divided into two groups.
[0035] In this embodiment, a dust box 104 is movably embedded in one side of the shell 1, and the dust box 104 is movably embedded in the inside of the slide groove 103 through two limit plates 113, so that the dust box 104 is more stably embedded in the inside of the shell 1, and two sets of limit pins 106 are embedded in the inside of the limit hole 115, so that the dust box 104 is fixed on one side of the inside of the shell 1, which plays a role in preventing dust and impurities, improving the cleanliness of the inside of the channel, and reducing safety hazards. Pulling the two handles 105 out relative to each other can drive the limit pins 106 to move out from the inside of the limit hole 115, so that the dust box 104 can be taken out from the inside of the shell 1 and cleaned.
[0036] Working principle: When in use, the shell 1 is fixedly installed inside the passage. When the fire sensor 101 receives the fire signal, it is transmitted to the electric push rod 110. The electric push rod 110 pushes the fire plate 109 to rotate on the outer surface of the connecting shaft 102 through the connecting block 116, so that the fire plate 109 seals the inside of the shell 1. The electric push rod 110 can also play a supporting role to improve the stability of the fire plate 109. A rectangular sealing gasket 112 is fixedly installed in fit with the fire plate 109 to improve the tightness between the fire plate 109 and the shell 1, preventing flames or smoke from entering the passage. Limit blocks 108 are fixedly installed on both sides of the upper end of the fire plate 109, and the two limit blocks 108 are movably embedded in the arc groove The interior of 114 can improve the stability of the fireproof board 109. A dust box 104 is movably embedded on one side of the shell 1. The dust box 104 is movably embedded in the inside of the slide groove 103 through two limit plates 113, so that the dust box 104 is more stably embedded in the inside of the shell 1. Two sets of limit pins 106 are embedded in the inside of the limit hole 115, so that the dust box 104 is fixed on one side of the inside of the shell 1, which plays a role in preventing dust and impurities, improving the cleanliness of the inside of the channel, and reducing safety hazards. Pulling the two handles 105 out relative to each other can drive the limit pin 106 to move out from the inside of the limit hole 115, so that the dust box 104 can be taken out from the inside of the shell 1 and the dust box 104 can be cleaned.
[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A new type of adjustable fire damper, comprising: A shell (1), wherein a connecting shaft (102) is fixedly embedded at the lower end of one side of the interior of the shell (1), a fireproof plate (109) is movably sleeved on the outer surface of the connecting shaft (102), and the fireproof plate (109) is movably embedded in the interior of the shell (1), characterized in that it further comprises: Two arc-shaped grooves (114) are provided on opposite sides of the interior of the housing (1), and limit blocks (108) are movably embedded in the interiors of the two arc-shaped grooves (114), and the two limit blocks (108) are fixedly mounted on both sides of the fireproof plate (109) away from one end of the connecting shaft (102); A rectangular sealing gasket (112) is fixedly embedded on a side of the housing (1) close to the fireproof plate (109); A fire prevention sensor (101) is arranged on the outer surface of the housing (1).
2. A novel adjustable fire damper according to claim 1, characterized in that: A connector 1 (117) is fixedly installed at the center of one side of the fireproof plate (109) close to the limit block (108), and a connecting block (116) is movably embedded inside the connector 1 (117), and an electric push rod (110) is fixedly connected to the outer surface of the connecting block (116).
3. A novel adjustable fire damper according to claim 2, characterized in that: A second connector (111) is fixedly installed at the center of the bottom end of the housing (1), and the other end of the electric push rod (110) is movably embedded in the interior of the second connector (111).
4. The novel adjustable fire damper according to claim 1 is characterized in that: Two sliding grooves (103) are provided at the center of the housing (1) away from the second connector (111), and a limiting plate (113) is movably embedded in the interior of the two sliding grooves (103).
5. The novel adjustable fire damper according to claim 4 is characterized in that: The dustproof boxes (104) are fixedly mounted on the opposite surfaces of the two limit plates (113), and a plurality of limit pins (106) are movably embedded in the opposite surfaces inside the two dustproof boxes (104), and the plurality of limit pins (106) are evenly divided into two groups.
6. The novel adjustable fire damper according to claim 5 is characterized in that: The opposite surfaces of the two groups of limit pins (106) are fixedly mounted with handles (105), the opposite ends of the two limit pins (106) are fixedly connected with springs (107), and the two groups of springs (107) are fixedly connected inside the dustproof box (104).
7. The novel adjustable fire damper according to claim 1 is characterized in that: A plurality of limiting holes (115) are provided on opposite surfaces of the inner side of the housing (1) close to the dustproof box (104), and the plurality of limiting holes (115) are evenly divided into two groups.