CN113669465A - Smoke-discharging fire-proof valve - Google Patents
Smoke-discharging fire-proof valve Download PDFInfo
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- CN113669465A CN113669465A CN202110900019.1A CN202110900019A CN113669465A CN 113669465 A CN113669465 A CN 113669465A CN 202110900019 A CN202110900019 A CN 202110900019A CN 113669465 A CN113669465 A CN 113669465A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a smoke-discharging fire-resisting damper, said smoke-discharging fire-resisting damper includes: the first valve body and the second valve body are both cylindrical; the partition mechanism comprises a connecting sleeve and a valve plate assembly, the connecting sleeve is arranged between the first valve body and the second valve body to enable the first valve body and the second valve body to be communicated, and the valve plate assembly can control the connecting sleeve to be switched on or off; the at least two first connecting assemblies are uniformly distributed on the first valve body in an annular shape and are used for being connected with a pipeline flange; and the at least two second connecting assemblies are uniformly distributed on the second valve body in an annular shape and are used for being connected with a pipeline flange. The invention has the advantages that: through setting up first coupling assembling, make being connected with pipe flange that first valve body can be convenient, through setting up second coupling assembling, make the second valve physical stamina enough convenient be connected with pipe flange to make the fire damper installation of discharging fume simple swift.
Description
Technical Field
The invention relates to the field of valves, in particular to a smoke-discharging fireproof valve.
Background
The smoke-discharging fire-resisting valve and fire-fighting component are generally mounted on the pipeline of mechanical smoke-discharging system, usually in open state, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire. The existing smoke-discharging fire-proof valve still has some defects when in use:
1. the installation of the smoke-discharging fire-proof valve is mostly realized by connecting a flange at the inlet and outlet of the valve with a flange at the interface of an air duct through bolts, and the connection mode is time-consuming and labor-consuming and brings great burden to manual installation;
2. the fire damper of discharging fume when working for a long time and breaking down, need pull down the fire damper and maintain, this process step is loaded down with trivial details, and work load is big, is unfavorable for the use of fire damper.
Disclosure of Invention
In view of the above, it is desirable to provide a smoke evacuation fire damper.
The invention discloses a smoke-discharging fire-proof valve, which comprises:
the first valve body and the second valve body are both cylindrical;
the partition mechanism comprises a connecting sleeve and a valve plate assembly, the connecting sleeve is arranged between the first valve body and the second valve body to enable the first valve body and the second valve body to be communicated, and the valve plate assembly can control the connecting sleeve to be switched on or off;
the at least two first connecting assemblies are uniformly distributed on the first valve body in an annular shape and are used for being connected with a pipeline flange;
and the at least two second connecting assemblies are uniformly distributed on the second valve body in an annular shape and are used for being connected with a pipeline flange.
In one embodiment, the first connecting block is arranged on the side surface of the first valve body in one-to-one correspondence with the first connecting assembly, the first connecting assembly comprises a first sliding seat, a first connecting rod, a first clamping block and a first elastic member, the first sliding seat is provided with a first sliding rod, the first sliding rod is slidably connected with the first connecting block, one end of the first connecting rod is hinged to the first sliding seat, the other end of the first connecting rod is hinged to the first clamping block, the first clamping block is hinged to the first valve body, the first elastic member is sleeved on the first sliding rod, one end of the first elastic member abuts against the first sliding seat, and the other end of the first elastic member abuts against the first connecting block.
In one embodiment, the first connecting assembly further comprises a second elastic member and a first limiting block, the first limiting block is slidably disposed on the first sliding seat, one end of the second elastic member abuts against the first sliding seat, the other end of the second elastic member abuts against the first limiting block, a first positioning groove is formed in the first valve body, and the first limiting block can be clamped in the first positioning groove to fix the first sliding seat and further fix the first clamping block.
In one embodiment, first control chamber and second control chamber have been seted up on the first valve body, first control chamber and second control chamber pass through first runner intercommunication, just first control chamber and second control intracavity all are filled with hydraulic oil, the slip is provided with first control block in the first control chamber, the slip is provided with the second control block in the second control chamber, first control block can be followed the end wall of first valve body stretches out, the second control chamber through first through-hole with the lateral wall of first valve body intercommunication, first joint piece can stretch into in the first through-hole, thereby with first valve body joint, work as first control block sinks in the first valve body, through hydraulic oil, can promote the slip of second control block, thereby promote first joint piece breaks away from first through-hole.
In one embodiment, a third elastic member is disposed in the first control chamber, so that the first control block extends from an end wall of the first valve body, and the first sliding seats are connected with each other to form a ring structure.
In one embodiment, the second valve body side with the second coupling assembling one-to-one is provided with the second connecting block, the second coupling assembling includes second seat, second connecting rod, second joint piece, fourth elastic component of sliding, the second seat that slides has the second slide bar, second slide bar sliding connection in the second connecting block, second connecting rod one end articulate in the second seat that slides, the other end articulate in the second joint piece, the second joint piece articulate in the second valve body, the fourth elastic component cover is located on the second slide bar, just fourth elastic component one end butt in the second seat that slides, the other end butt in the second connecting block.
In one embodiment, the second connecting assembly further comprises a fifth elastic element and a second limiting block, the second limiting block is slidably arranged on the second sliding seat, one end of the fifth elastic element is abutted to the second sliding seat, the other end of the fifth elastic element is abutted to the second limiting block, a second positioning groove is formed in the second valve body, and the second limiting block can be clamped in the second positioning groove to fix the second sliding seat and further fix the second clamping block.
In one embodiment, the second valve body is provided with a third control cavity and a fourth control cavity, the third control cavity is communicated with the fourth control cavity through a second flow passage, the third control cavity and the fourth control cavity are filled with hydraulic oil, a third control block is arranged in the third control cavity in a sliding manner, a fourth control block is arranged in the fourth control cavity in a sliding manner, the third control block can extend out from the end wall of the second valve body, the fourth control cavity is communicated with the side wall of the second valve body through a second through hole, the second clamping block can extend into the second through hole so as to be clamped with the second valve body, when the third control block is immersed in the second valve body, the fourth control block can be pushed to slide through the hydraulic oil so as to push the second clamping block to be separated from the second through hole, and a sixth elastic element is arranged in the third control cavity, such that said fourth control block extends from an end wall of said second valve body and a plurality of said second sliding seats are interconnected to form an annular structure.
In one of them embodiment, the valve plate subassembly includes first separation board, second separation board, third separation board, transfer line, motor, first separation board, second separation board, third separation board all swivelling joint in on the adapter sleeve to can seal the laminating in proper order in order to block the adapter sleeve, the transfer line respectively with first separation board, second separation board, third separation board are articulated, the motor is fixed set up in on the adapter sleeve, just the motor shaft of motor with second separation board fixed connection.
In one embodiment, the connecting sleeve is provided with a first connecting hole and a second connecting hole, the first valve body is provided with a third connecting hole, the second valve body is provided with a fourth connecting hole, the third connecting hole and the fourth connecting hole are coaxially arranged, the connecting sleeve is rotatably connected to the first valve body and the second valve body through a rotating shaft, when the connecting sleeve is communicated with the first valve body, the first connecting hole corresponds to the third connecting hole, the connecting sleeve can be fixedly connected with the first valve body and the second valve body by inserting a fixing pin into the first connecting hole, the third connecting hole and the fourth connecting hole, the connecting sleeve can be corresponding to the third connecting hole by rotating the connecting sleeve clockwise by 270 degrees, the connecting sleeve can be fixed with the first valve body and the second valve body by inserting a fixing pin into the second connecting hole, the third connecting hole and the fourth connecting hole, the temperature detector is arranged on the connecting sleeve, and when the temperature detected by the temperature detector is higher than a preset value, the motor can be controlled to rotate, so that the valve plate assembly is closed.
The invention has the advantages that:
1. the first valve body can be conveniently connected with the pipeline flange by arranging the first connecting assembly, and the second valve body can be conveniently connected with the pipeline flange by arranging the second connecting assembly, so that the smoke exhaust fire damper is simply and quickly installed;
2. the first clamping block can be fixed by arranging the first limiting block, and the second clamping block can be fixed by arranging the second limiting block, so that the fire valve and the pipeline flange can be locked by the first clamping block and the second clamping block without bolt fixation, and the device is simple, convenient, safe and reliable;
3. through using split type casing, namely using first valve body and second valve body for the fire prevention valve of discharging fume when breaking down, cut off the mechanism and can rotate to first valve body and second valve body outsidely, convenient maintenance.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken at I of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view of the present invention taken at I of FIG. 1 in another operational state;
FIG. 5 is a cross-sectional view taken at II of FIG. 1 in accordance with the present invention;
fig. 6 is a cross-sectional view of the invention according to the direction a-a in fig. 1, when the partition is turned out.
In the figure, a first valve body 1, a first connecting block 11, a first control cavity 12, a first control block 121, a third elastic member 122, a second control cavity 13, a second control block 131, a first through hole 132, a first flow channel 14, a first positioning groove 15, a second valve body 2, a second connecting block 21, a third control cavity 22, a third control block 221, a sixth elastic member 222, a fourth control cavity 23, a fourth control block 231, a second through hole 232, a second flow channel 24, a second positioning groove 25, a blocking mechanism 3, a connecting sleeve 31, a first connecting hole 311, a second connecting hole 312, a temperature detector 313, a valve plate assembly 32, a first blocking plate 321, a second blocking plate 322, a third blocking plate 323, a transmission rod 324, a motor 325, a first sliding seat 41, a first sliding rod 411, a first connecting rod 42, a first clamping block 43, a first elastic member 44, a second elastic member 45, and a first limiting block 46.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention discloses a smoke evacuation fire damper, which comprises:
the first valve body 1 and the second valve body 2 are both cylindrical;
the partition mechanism 3 comprises a connecting sleeve 31 and a valve plate assembly 32, the connecting sleeve 31 is arranged between the first valve body 1 and the second valve body 2, so that the first valve body 1 is communicated with the second valve body 2, and the valve plate assembly 32 can control the connection and disconnection of the connecting sleeve 31;
the four first connecting assemblies are uniformly distributed on the first valve body 1 in an annular shape and are used for being connected with a pipeline flange;
and the four second connecting assemblies are uniformly distributed on the second valve body 2 in an annular shape and are used for being connected with a pipeline flange.
Preferably, as shown in fig. 3 and fig. 4, the side surface of the first valve body 1 corresponds to the first connecting assembly one-to-one and is provided with a plurality of first connecting blocks 11, the first connecting assembly includes a first sliding seat 41, a first connecting rod 42, a first clamping block 43 and a first elastic member 44, the first sliding seat 41 has a first sliding rod 411, the first sliding rod 411 is slidably connected to the first connecting block 11, one end of the first connecting rod 42 is hinged to the first sliding seat 41, the other end of the first connecting rod is hinged to the first clamping block 43, the first clamping block 43 is hinged to the first valve body 1, the first elastic member 44 is sleeved on the first sliding rod 411, one end of the first elastic member 44 abuts against the first sliding seat 41, and the other end abuts against the first connecting block 11.
Preferably, the first connecting assembly further includes a second elastic member 45 and a first limiting block 46, the first limiting block 46 is slidably disposed on the first sliding seat 41, one end of the second elastic member 45 abuts against the first sliding seat 41, the other end abuts against the first limiting block 46, a first positioning groove 15 is formed in the first valve body 1, and the first limiting block 46 can be connected to the first positioning groove 15, so that the first sliding seat 41 is fixed and the first connecting block 43 is fixed.
Preferably, the first valve body 1 is provided with a first control chamber 12 and a second control chamber 13, the first control chamber 12 is communicated with the second control chamber 13 through a first flow passage 14, the first control cavity 12 and the second control cavity 13 are filled with hydraulic oil, the first control cavity 12 is provided with a first control block 121 in a sliding manner, a second control block 131 is slidably arranged in the second control chamber 13, the first control block 121 being able to project from the end wall of the first valve body 1, the second control chamber 13 is communicated with the side wall of the first valve body 1 through a first through hole 132, the first limit block 46 can extend into the first through hole 132, so as to be clamped with the first valve body 1, when the first control block 121 is submerged in the first valve body 1, the second control block 131 can be pushed to slide by hydraulic oil, so as to push the first limit block 46 to be separated from the first through hole 132.
Preferably, a third elastic member 122 is disposed in the first control chamber 12, such that the first control block 121 extends from an end wall of the first valve body 1, and the first sliding seats 41 are connected to each other, thereby forming a ring structure. It can be understood that the first sliding seats 41 can slide synchronously after being connected, so that the rotation of the plurality of first clamping blocks 43 can be synchronously controlled.
Preferably, the second valve body 2 side with the second coupling assembling one-to-one is provided with second connecting block 21, the second coupling assembling includes second seat 51, second connecting rod 52, second joint piece 53, fourth elastic component 54 of sliding, second seat 51 of sliding has second slide bar 511, second slide bar 511 sliding connection in second connecting block 21, second connecting rod 52 one end articulate in second seat 51 of sliding, the other end articulate in second joint piece 53, second joint piece 53 articulate in second valve body 2, fourth elastic component 54 overlaps locate on the second slide bar 511, just fourth elastic component 54 one end butt in second seat 51 of sliding, the other end butt in second connecting block 21.
Preferably, the second connecting assembly further comprises a fifth elastic element 55 and a second limiting block 56, the second limiting block 56 is slidably disposed on the second sliding seat 51, one end of the fifth elastic element 55 abuts against the second sliding seat 51, the other end abuts against the second limiting block 56, the second valve body 2 is provided with a second positioning groove 25, the second limiting block 56 can be connected with the second positioning groove 25 in a clamping manner, so that the second sliding seat 51 is fixed, and the second clamping block 53 is fixed.
Preferably, the second valve body 2 is provided with a third control cavity 22 and a fourth control cavity 23, the third control cavity 22 is communicated with the fourth control cavity 23 through a second flow passage 24, hydraulic oil is filled in the third control cavity 22 and the fourth control cavity 23, a third control block 221 is slidably disposed in the third control cavity 22, a fourth control block 231 is slidably disposed in the fourth control cavity 23, the third control block 221 can extend from the end wall of the second valve body 2, the fourth control cavity 23 is communicated with the side wall of the second valve body 2 through a second through hole 232, the second limiting block 56 can extend into the second through hole 232 to be clamped with the second valve body 2, when the third control block 221 is immersed in the second valve body 2, the fourth control block 231 can be pushed to slide through the hydraulic oil, so that the second limiting block 56 is pushed to be separated from the second through hole 232, a sixth elastic member 222 is disposed in the third control chamber 22, such that the fourth control block 231 extends from the end wall of the second valve body 2, and the plurality of second sliding seats 51 are connected with each other, thereby forming an annular structure. It can be understood that the second sliding seats 51 can slide synchronously after being connected, so that the rotation of the plurality of second clamping blocks 53 can be synchronously controlled.
Preferably, as shown in fig. 2 and 5, the valve plate assembly 32 includes a first blocking plate 321, a second blocking plate 322, a third blocking plate 323, a transmission rod 324 and a motor 325, the first blocking plate 321, the second blocking plate 322 and the third blocking plate 323 are all rotatably connected to the connection sleeve 31 and can be sequentially sealed and attached to block the connection sleeve 31, the transmission rod 324 is respectively hinged to the first blocking plate 321, the second blocking plate 322 and the third blocking plate 323, the motor 325 is fixedly disposed on the connection sleeve 31, and a motor shaft of the motor 325 is fixedly connected to the second blocking plate 322.
Preferably, the connection sleeve 31 is provided with a first connection hole 311 and a second connection hole 312, the first valve body 1 is provided with a third connection hole (not shown), the second valve body 2 is provided with a fourth connection hole (not shown), the third connection hole and the fourth connection hole are coaxially arranged, the connection sleeve 31 is rotatably connected to the first valve body 1 and the second valve body 2 through a rotation shaft, as shown in fig. 2, when the connection sleeve 31 is communicated with the first valve body 1, the first connection hole 311 corresponds to the third connection hole, the connection sleeve 31 can be fixedly connected to the first valve body 1 and the second valve body 2 by inserting a fixing pin into the first connection hole 311, the third connection hole and the fourth connection hole, as shown in fig. 6, the connection sleeve 31 is rotated clockwise by 270 degrees, the second connection hole 312 corresponds to the third connection hole, and the second connection hole 312 is rotated clockwise by the second connection hole 312, The fixing pins are inserted into the third connecting hole and the fourth connecting hole, so that the connecting sleeve 31 can be fixed with the first valve body 1 and the second valve body 2, the connecting sleeve 31 is provided with a temperature detector 313, and when the temperature detected by the temperature detector 313 is higher than a preset value, the motor 325 can be controlled to rotate, so that the valve plate assembly 32 is closed.
The working mode of the invention is as follows: as shown in fig. 4, the first connection assembly is in an unconnected state, at this time, the first clamping block 43 extends into the first through hole 132, so that the first sliding seat 41 is fixedly connected to the first valve body 1, when the first valve body 1 is required to be connected to the pipeline flange, the pipeline flange is abutted to the end of the first valve body 1, so that the first control block 121 is pressed down, the second control block 131 is pushed to move through hydraulic oil, and the first limiting block 46 is pushed out, so that the first sliding seat 41 is separated from the clamping connection with the first valve body 1, the first sliding seat 41 moves to the left under the action of the first elastic member 44, so that the first clamping block 43 is driven to rotate through the first connection rod 42, as shown in fig. 1 and 3, at this time, the first clamping block 43 can be clamped to the pipeline flange.
In a similar way, the second connecting assembly is the same as the first connecting assembly in working principle, so that the smoke exhaust fire damper can be connected in the pipeline.
When the partition mechanism 3 fails, the fixing pin is removed, the connecting sleeve 31 is rotated by 270 degrees, and the fixing pin is fixed in the second connecting hole 312, the third connecting hole and the fourth connecting hole again, so that the connecting sleeve 31 is fixedly connected with the first valve body 1 and the second valve body 2. In this manner, maintenance of the valve plate assembly 32 is facilitated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A smoke evacuation fire damper, said smoke evacuation fire damper comprising:
the first valve body and the second valve body are both cylindrical;
the partition mechanism comprises a connecting sleeve and a valve plate assembly, the connecting sleeve is arranged between the first valve body and the second valve body to enable the first valve body and the second valve body to be communicated, and the valve plate assembly can control the connecting sleeve to be switched on or off;
the at least two first connecting assemblies are uniformly distributed on the first valve body in an annular shape and are used for being connected with a pipeline flange;
and the at least two second connecting assemblies are uniformly distributed on the second valve body in an annular shape and are used for being connected with a pipeline flange.
2. The smoke exhaust fire damper according to claim 1, wherein a first connecting block is arranged on the side surface of the first valve body in one-to-one correspondence with the first connecting assembly, the first connecting assembly comprises a first sliding seat, a first connecting rod, a first clamping block and a first elastic piece, the first sliding seat is provided with a first sliding rod, the first sliding rod is slidably connected with the first connecting block, one end of the first connecting rod is hinged to the first sliding seat, the other end of the first connecting rod is hinged to the first clamping block, the first clamping block is hinged to the first valve body, the first elastic piece is sleeved on the first sliding rod, one end of the first elastic piece abuts against the first sliding seat, and the other end of the first elastic piece abuts against the first connecting block.
3. The smoke evacuation fire prevention valve of claim 2, wherein the first connection assembly further comprises a second elastic member and a first limiting block, the first limiting block is slidably disposed on the first sliding seat, one end of the second elastic member abuts against the first sliding seat, the other end of the second elastic member abuts against the first limiting block, a first positioning groove is formed in the first valve body, and the first limiting block can be clamped in the first positioning groove to fix the first sliding seat and further fix the first clamping block.
4. The smoke evacuation fire damper of claim 3, wherein the first valve body is provided with a first control chamber and a second control chamber, the first control chamber and the second control chamber are communicated through a first flow passage, the first control cavity and the second control cavity are both filled with hydraulic oil, a first control block is arranged in the first control cavity in a sliding manner, a second control block is arranged in the second control cavity in a sliding manner, the first control block can extend out of the end wall of the first valve body, the second control cavity is communicated with the side wall of the first valve body through a first through hole, the first clamping block can extend into the first through hole, thereby being clamped with the first valve body, when the first control block is submerged in the first valve body, through hydraulic oil, can promote the second control block slides to promote first joint piece breaks away from first through-hole.
5. A smoke evacuation fire protection valve as claimed in claim 4 wherein a third resilient member is provided within said first control chamber such that said first control block extends from an end wall of said first valve body, a plurality of said first slide shoes being interconnected to form an annular structure.
6. The smoke evacuation fire prevention valve of claim 1, wherein the second valve body side and the second connection component one-to-one are provided with a second connection block, the second connection component comprises a second sliding seat, a second connection rod, a second clamping block and a fourth elastic member, the second sliding seat is provided with a second sliding rod, the second sliding rod is slidably connected with the second connection block, one end of the second connection rod is hinged with the second sliding seat, the other end of the second connection rod is hinged with the second clamping block, the second clamping block is hinged with the second valve body, the fourth elastic member is sleeved on the second sliding rod, one end of the fourth elastic member abuts against the second sliding seat, and the other end of the fourth elastic member abuts against the second connection block.
7. The smoke evacuation fire prevention valve of claim 6, wherein the second connection assembly further comprises a fifth elastic member and a second limiting block, the second limiting block is slidably disposed on the second sliding seat, one end of the fifth elastic member abuts against the second sliding seat, the other end of the fifth elastic member abuts against the second limiting block, a second positioning groove is formed in the second valve body, and the second limiting block can be clamped in the second positioning groove to fix the second sliding seat and further fix the second clamping block.
8. The smoke exhaust fireproof valve according to claim 7, wherein the second valve body is provided with a third control cavity and a fourth control cavity, the third control cavity and the fourth control cavity are communicated through a second flow passage, the third control cavity and the fourth control cavity are both filled with hydraulic oil, a third control block is slidably arranged in the third control cavity, a fourth control block is slidably arranged in the fourth control cavity, the third control block can extend out from the end wall of the second valve body, the fourth control cavity is communicated with the side wall of the second valve body through a second through hole, the second clamping block can extend into the second through hole so as to be clamped with the second valve body, when the third control block is immersed in the second valve body, the fourth control block can be pushed to slide through the hydraulic oil so as to push the second clamping block to be separated from the second through hole, and a sixth elastic element is arranged in the third control cavity, so that the fourth control block extends out of the end wall of the second valve body, and the second sliding seats are connected with each other to form an annular structure.
9. The smoke exhaust fire damper according to claim 1, wherein the valve plate assembly comprises a first blocking plate, a second blocking plate, a third blocking plate, a transmission rod and a motor, the first blocking plate, the second blocking plate and the third blocking plate are all connected to the connecting sleeve in a rotating mode and can be sequentially sealed and attached to block the connecting sleeve, the transmission rod is hinged to the first blocking plate, the second blocking plate and the third blocking plate respectively, the motor is fixedly arranged on the connecting sleeve, and a motor shaft of the motor is fixedly connected with the second blocking plate.
10. The smoke evacuation fire damper of claim 9, wherein the connection sleeve is provided with a first connection hole and a second connection hole, the first valve body is provided with a third connection hole, the second valve body is provided with a fourth connection hole, the third connection hole and the fourth connection hole are coaxially arranged, the connection sleeve is rotatably connected to the first valve body and the second valve body through a rotation shaft, when the connection sleeve is communicated with the first valve body, the first connection hole and the third connection hole correspond to each other, the connection sleeve can be fixedly connected with the first valve body and the second valve body by inserting a fixing pin into the first connection hole, the third connection hole and the fourth connection hole, the second connection hole and the third connection hole can correspond to each other by rotating the connection sleeve clockwise by 270 degrees, and the fixing pin can be inserted into the second connection hole, the third connection hole and the fourth connection hole, the connecting sleeve can be fixed with the first valve body and the second valve body, the connecting sleeve is provided with a temperature detector, and when the temperature detected by the temperature detector is higher than a preset value, the motor can be controlled to rotate, so that the valve plate assembly is closed.
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| CN202110900019.1A CN113669465B (en) | 2021-08-06 | 2021-08-06 | Smoke-discharging fireproof valve |
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| CN202110900019.1A CN113669465B (en) | 2021-08-06 | 2021-08-06 | Smoke-discharging fireproof valve |
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| CN113669465A true CN113669465A (en) | 2021-11-19 |
| CN113669465B CN113669465B (en) | 2023-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114508620A (en) * | 2021-12-31 | 2022-05-17 | 武汉顺风冷暖设备有限公司 | High-efficiency smoke-discharging fire-proof valve and production process thereof |
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|---|---|
| CN113669465B (en) | 2023-08-01 |
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Effective date of registration: 20230703 Address after: 510000, 101, No. 8, West Street, Dawen Road, Dawen Village, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU QUANFENG ELECTROMECHANICAL EQUIPMENT CO.,LTD. Address before: 315000 Nordic Industrial Park, No. 89 Jinchuan Road, Zhenhai District, Ningbo City, Zhejiang Province Applicant before: Duan Qihui |
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