CN212480288U

CN212480288U - High-sealing high-temperature fire-proof valve

Info

Publication number: CN212480288U
Application number: CN202020782178.7U
Authority: CN
Inventors: 王庆玲
Original assignee: Dezhou Chente Air Conditioning Equipment Co ltd
Current assignee: Dezhou Chente Air Conditioning Equipment Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-02-05
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a high leakproofness high temperature fire prevention valve, including the fire prevention valve casing, the symmetry is equipped with first slide rail around the left side of fire prevention valve casing inner wall, the right side of fire prevention valve casing inner wall and the fixedly connected with second slide rail that corresponds first slide rail, the inboard fixedly connected with gag lever post of fire prevention valve casing inner wall bottom and corresponding second slide rail, the top and the fire prevention valve casing inner wall top fixed connection of gag lever post, the surface sliding of gag lever post is connected with first sliding sleeve, the left side at fire prevention valve casing top is through four vaulting pole fixedly connected with fixed plates, the fixed plate top just corresponds the fixed position of the first slide rail of front side and has driving motor. This high temperature fire prevention valve of high leakproofness, structural design is reasonable, and convenient to use adopts two-layer airtight structure that opens and shuts, has improved the leakproofness of fire prevention valve when using greatly to adopt electric drive's mode, reduced the human labor, brought very big convenience for the user.

Description

High-sealing high-temperature fire-proof valve

Technical Field

The utility model relates to a fire prevention valve technical field specifically is a high leakproofness high temperature fire prevention valve.

Background

The fire-proof valve is generally installed at the position where an air pipe passes through a fire wall, has the function of fire shut-off, can be provided with an output electric signal, when the temperature exceeds 70 ℃ or 280 ℃, the valve is closed, a linkage air supply (compensation) fan is closed, the working principle is the temperature control of easily fused gold, the valve is closed by utilizing the action of gravity and the action of a spring mechanism, when a fire disaster happens, flame invades an air duct, the high temperature melts fusible alloy on the valve or deforms memory alloy to automatically close the valve, the fire-proof valve is suitable for a ventilation air-conditioning system, except the fire-proof valve for a kitchen fume exhaust system of a public building, the action temperature is 150 ℃, the action temperature of the fire-proof valve for the general ventilation air-conditioning system is 70 ℃, along with the development of scientific technology, the types of the fire-proof valve are more and more, wherein, the sealing fire-proof valve is more, and, the high air tightness cannot be guaranteed, the opening and closing are usually started manually, great inconvenience is brought to a user, and therefore the high-tightness high-temperature fire-proof valve is provided to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness high temperature fire prevention valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-sealing high-temperature fire-proof valve comprises a fire-proof valve shell, wherein first slide rails are symmetrically arranged on the front and back of the left side of the inner wall of the fire-proof valve shell, a second slide rail is fixedly connected on the right side of the inner wall of the fire-proof valve shell and corresponds to the position of the first slide rail, a limiting rod is fixedly connected at the bottom of the inner wall of the fire-proof valve shell and corresponds to the inner side of the second slide rail, the top end of the limiting rod is fixedly connected with the top of the inner wall of the fire-proof valve shell, a first sliding sleeve is connected on the surface of the limiting rod in a sliding manner, a fixed plate is fixedly connected on the left side of the top of the fire-proof valve shell through four support rods, a driving motor is fixedly installed at the top of the fixed plate and corresponds to the position of the first slide rail on the front side, a, the surface of the driving rotating shaft between the fireproof valve shell and the fixed plate is fixedly connected with a driving rotating wheel, the top of the fixed plate and the position corresponding to the first sliding rail at the rear side are fixedly provided with a bearing seat, a second screw rod is movably connected in the bearing seat, the bottom end of the second screw rod sequentially penetrates through the bearing seat, the fixing plate, the fireproof valve shell and the first slide rail from top to bottom and extends to the inner side of the first slide rail, a driven rotating wheel is fixedly connected on the surface of the second screw rod between the fireproof valve shell and the fixing plate, the driven rotating wheel is in transmission connection with the driving rotating wheel through a belt, the surfaces of the first screw rod and the second screw rod and positioned in the first slide rail are both in threaded connection with a second sliding sleeve, the first sliding sleeve and the second sliding sleeve positioned on the same front and back sides are fixedly connected through a lifting block, the top fixedly connected with fire prevention of lift piece rolls up the floodgate, the top and the fire prevention valve casing inner wall top fixed connection of rolling up the floodgate of fire prevention.

Preferably, the top of the fire-proof valve shell and the positions corresponding to the driving rotating shaft and the second screw rod are fixedly connected with a sealing ring.

Preferably, the top of the fixing plate is fixedly connected with a dustproof shell corresponding to the position of the driving motor, and heat dissipation holes are formed in the surface of the dustproof shell.

Preferably, the bottom of the fixing plate corresponds to the reinforcing ribs fixedly connected with the left side and the right side of the support rod, and one side of each reinforcing rib close to the support rod is fixedly connected with the support rod.

Preferably, the bottom of the lifting block is fixedly connected with two clamping blocks, and the clamping blocks are clamped with the bottom of the inner wall of the fireproof valve shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses when needs are closed or are opened the valve, start driving motor, it is rotatory that the drive pivot drives first lead screw, meanwhile the drive pivot drives driven runner rotation under the transmission of belt, and then drive the second lead screw and rotate simultaneously under the connection of bearing frame, the second sliding sleeve of difference threaded connection on first lead screw and second lead screw passes through the spacing of gag lever post and first sliding sleeve, carry out elevating movement simultaneously, and then drive the elevator and reciprocate, realize the rolling of fire prevention shutter, and then realize the switch to the valve, this high leakproofness's high temperature fire prevention valve, and reasonable in design, high durability and convenient use, adopt two-layer airtight open and close structure, the leakproofness of fire prevention valve when using has been improved greatly, and adopt electric drive's mode, the human labor has been reduced, very big convenience has been brought for the user.

2. The utility model discloses a set up the sealing washer, prevent that gas from oozing through the gap between drive pivot and second lead screw and the fire valve casing, and then the leakproofness when having improved the fire prevention valve and using, through setting up dustproof shell, protect driving motor from the outside, prevent into grey damage, the louvre is favorable to driving motor's heat dissipation, through setting up the strengthening rib, the fixed degree of being connected between fixed plate and four vaulting poles has been consolidated, prevent to use for a long time and drop, through setting up the fixture block, when the valve is closed, can go into the fire valve casing with the elevator card, improve sealed precision and gas tightness.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

3 FIG. 3 2 3 is 3 an 3 enlarged 3 view 3 of 3 a 3 portion 3 of 3 A 3- 3 A 3 of 3 FIG. 3 1 3 according 3 to 3 the 3 present 3 invention 3; 3

Fig. 3 is a schematic structural diagram of a side view of the present invention.

In the figure: the device comprises a fire-proof valve shell 1, a first slide rail 2, a second slide rail 3, a limiting rod 4, a first sliding sleeve 5, a support rod 6, a fixing plate 7, a driving motor 8, a driving rotating shaft 9, a first screw rod 10, a driving rotating wheel 11, a bearing seat 12, a second screw rod 13, a driven rotating wheel 14, a belt 15, a second sliding sleeve 16, a lifting block 17, a fire-proof rolling gate 18, a sealing ring 19, a dust-proof shell 20, a reinforcing rib 21 and a clamping block 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-sealing high-temperature fire damper includes a fire damper housing 1, first slide rails 2 are symmetrically disposed on the left side of the inner wall of the fire damper housing 1, a second slide rail 3 is fixedly connected to the right side of the inner wall of the fire damper housing 1 corresponding to the first slide rail 2, a limit rod 4 is fixedly connected to the bottom of the inner wall of the fire damper housing 1 corresponding to the inner side of the second slide rail 3, the top end of the limit rod 4 is fixedly connected to the top of the inner wall of the fire damper housing 1, a first sliding sleeve 5 is slidably connected to the surface of the limit rod 4, a fixing plate 7 is fixedly connected to the left side of the top of the fire damper housing 1 through four support rods 6, reinforcing ribs 21 are fixedly connected to the bottom of the fixing plate 7 corresponding to the left and right sides of the support rods 6, one side of the reinforcing ribs 21 close to the support rods 6 is, a dust-proof shell 20 is fixedly connected to the top of the fixing plate 7 and corresponding to the position of the driving motor 8, heat dissipation holes are formed on the surface of the dust-proof shell 20, a driving rotating shaft 9 is fixedly connected to the output shaft of the driving motor 8, the bottom end of the driving rotating shaft 9 sequentially penetrates through the fixing plate 7, the fire-proof valve shell 1 and the first slide rail 2 from top to bottom and extends to the inner side of the first slide rail 2, a driving rotating wheel 11 is fixedly connected to the surface of the driving rotating shaft 9 between the fire-proof valve shell 1 and the fixing plate 7, a bearing seat 12 is fixedly installed at the top of the fixing plate 7 and corresponding to the position of the first slide rail 2 at the rear side, a second lead screw 13 is movably connected in the bearing seat 12, the bottom end of the second lead screw 13 sequentially penetrates through the bearing seat 12, the fixing plate 7, the fire-proof valve shell 1 and the first slide rail 2 and extends to the inner side, the surface of a second screw rod 13 positioned between the fireproof valve shell 1 and the fixing plate 7 is fixedly connected with a driven rotating wheel 14, the driven rotating wheel 14 is in transmission connection with a driving rotating wheel 11 through a belt 15, the surfaces of a first screw rod 10 and a second screw rod 13 and positioned in a first slide rail 2 are both in threaded connection with a second sliding sleeve 16, a first sliding sleeve 5 and a second sliding sleeve 16 positioned on the same front and back sides are fixedly connected through a lifting block 17, the bottom of the lifting block 17 is fixedly connected with two clamping blocks 22, the clamping blocks 22 are clamped with the bottom of the inner wall of the fireproof valve shell 1, the top of the lifting block 17 is fixedly connected with a fireproof rolling shutter 18, the top of the fireproof rolling shutter 18 is fixedly connected with the top of the inner wall of the fireproof valve shell 1, through arranging a sealing ring 19, gas is prevented from seeping through a gap between the driving rotating shaft 9 and the second screw rod 13 and the fireproof valve shell 1, the protection of the driving motor 8 from the outside is realized, the dust entering damage is prevented, the heat dissipation holes are favorable for the heat dissipation of the driving motor 8, the fixing degree of the connection between the fixing plate 7 and the four support rods 6 is reinforced by arranging the reinforcing ribs 21, the falling off in long-term use is prevented, the lifting block 17 can be clamped into the fireproof valve shell 1 by arranging the clamping block 22 when the valve is closed, the sealing precision and the air tightness are improved, when the valve is required to be closed or opened, the driving motor 8 is started, the driving rotating shaft 9 drives the first screw rod 10 to rotate, meanwhile, the driving rotating shaft 9 drives the driven rotating wheel 14 to rotate under the transmission of the belt 15, further, the second screw rod 13 is driven to rotate simultaneously under the connection of the bearing seat 12, and the second sliding sleeve 16 which is respectively in threaded connection with the first screw rod 10 and the second screw rod 13 is limited by the limiting rod 4 and the first, and then drive elevator 17 and reciprocate, realize the rolling of fire prevention shutter 18, and then realize the switch to the valve, this high temperature fire prevention valve of high leakproofness, structural design is reasonable, and convenient to use adopts two-layer airtight structure that opens and shuts, has improved the leakproofness of fire prevention valve when using greatly to adopt electric drive's mode, reduced human labor, brought very big convenience for the user.

During the use, start driving motor 8, drive pivot 9 drives first lead screw 10 rotatory, drive pivot 9 drives driven runner 14 rotatory under the transmission of belt 15 simultaneously, and then drive second lead screw 13 and rotate simultaneously under the connection of bearing frame 12, second sliding sleeve 16 of difference threaded connection on first lead screw 10 and second lead screw 13 passes through the spacing of gag lever post 4 and first sliding sleeve 5, carry out elevating movement simultaneously, and then drive elevator 17 reciprocates, realize the rolling of fire prevention shutter 18, and then realize the switch to the valve.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high leakproofness high temperature fire prevention valve, includes fire prevention valve casing (1), its characterized in that: the front and back of the left side of the inner wall of the fireproof valve shell (1) are symmetrically provided with first slide rails (2), the right side of the inner wall of the fireproof valve shell (1) corresponds to the position of the first slide rails (2) and is fixedly connected with second slide rails (3), the bottom of the inner wall of the fireproof valve shell (1) corresponds to the inner side of the second slide rails (3) and is fixedly connected with a limiting rod (4), the top end of the limiting rod (4) is fixedly connected with the top of the inner wall of the fireproof valve shell (1), the surface of the limiting rod (4) is slidably connected with a first sliding sleeve (5), the left side of the top of the fireproof valve shell (1) is fixedly connected with a fixed plate (7) through four support rods (6), the top of the fixed plate (7) corresponds to the position of the front side first slide rails (2) and is fixedly provided with a driving motor (8), the bottom end of the driving rotating shaft (9) sequentially penetrates through the fixing plate (7), the fire-proof valve shell (1) and the first slide rail (2) from top to bottom and extends to the inner side of the first slide rail (2) to be fixedly connected with a first screw rod (10), the surface of the driving rotating shaft (9) positioned between the fire-proof valve shell (1) and the fixing plate (7) is fixedly connected with a driving rotating wheel (11), the top of the fixing plate (7) is fixedly provided with a bearing seat (12) corresponding to the position of the first slide rail (2) at the rear side, a second screw rod (13) is movably connected in the bearing seat (12), the bottom end of the second screw rod (13) sequentially penetrates through the bearing seat (12), the fixing plate (7), the fire-proof valve shell (1) and the first slide rail (2) from top to bottom and extends to the inner side of the first slide rail (2), and the surface of the second screw rod (13) positioned, driven runner (14) and initiative runner (11) are connected through belt (15) transmission between, first lead screw (10) and second lead screw (13) surface just are located equal threaded connection in first slide rail (2) has second sliding sleeve (16), is located around through elevator (17) fixed connection between first sliding sleeve (5) and the second sliding sleeve (16) of homonymy, the top fixedly connected with fire prevention of elevator (17) rolls up floodgate (18), the top and the fire prevention valve casing (1) inner wall top fixed connection of fire prevention roll floodgate (18).

2. The high-sealing high-temperature fire damper according to claim 1, wherein: the top of the fireproof valve shell (1) corresponds to the positions of the driving rotating shaft (9) and the second screw rod (13) and is fixedly connected with a sealing ring (19).

3. The high-sealing high-temperature fire damper according to claim 1, wherein: the position of fixed plate (7) top and corresponding driving motor (8) is fixedly connected with dust cover (20), the louvre has been seted up on the surface of dust cover (20).

4. The high-sealing high-temperature fire damper according to claim 1, wherein: the utility model discloses a bracing piece, including fixed plate (7), the equal fixedly connected with strengthening rib (21) in the left and right sides of just corresponding vaulting pole (6) in fixed plate (7) bottom, one side and vaulting pole (6) fixed connection that strengthening rib (21) are close to vaulting pole (6).

5. The high-sealing high-temperature fire damper according to claim 1, wherein: the bottom fixedly connected with two fixture blocks (22) of elevator block (17), fixture block (22) and the bottom joint of fire-proof valve casing (1) inner wall.