Fireproof valve of ventilating duct

Abstract

The utility model relates to the technical field of fireproof valves, in particular to a fireproof valve of a ventilation pipeline. Comprising a ventilation pipeline, a valve body and two connecting assemblies, each connecting assembly comprises an inserting rod, a fixed block, a movable block, an abutting spring and a pull rod, the ventilation pipeline is provided with a movable groove and a groove, the movable block is movably connected with the ventilation pipeline and located in the groove, the fixed block is fixedly connected with one end of the movable block, and the pull rod is fixedly connected with the other end of the movable block; the pull rod is further movably connected with the ventilation pipeline and penetrates through the groove, the two ends of the abutting spring are fixedly connected with the ventilation pipeline and the movable block respectively and arranged outside the pull rod in a sleeving mode, the inserting rod is fixedly connected with the valve body and located on the outer side wall of the valve body, and the inserting rod is provided with a fixing groove. The fireproof valve can be quickly fixed and disassembled in the ventilation pipeline, operation is convenient, and the working efficiency of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire damper technical field especially relates to a fire damper of ventilation pipeline. BACKGROUND

[0002] Fire damper is installed on the pipeline of the air supply and return of ventilation and air conditioning system or mechanical smoke exhaust system, and is in an open state in normal times, and is closed when the gas temperature in the pipeline reaches 70 DEG C or 280 DEG C in case of fire, and can meet the smoke leakage and fire resistance integrity requirements in a certain time, and plays a role of smoke isolation and fire resistance.

[0003] At present, in the installation process of the fire damper, the air port of the fire damper needs to be aligned with the ventilation pipeline, and then a plurality of bolts are used to fasten the fire damper and the ventilation pipeline.

[0004] However, in the above existing mode, the fixing of the fire damper on the ventilation pipeline needs to consume more manpower and time, and the operation is relatively inconvenient, which affects the working efficiency of the user. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a fire damper of ventilation pipeline, and aims at solving the technical problem that the fixing of the existing fire damper on the ventilation pipeline needs to consume more manpower and time, and the operation is relatively inconvenient, which affects the working efficiency of the user.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts a fire damper of ventilation pipeline, which comprises a ventilation pipeline, a valve body and two groups of connecting assemblies, the connecting assembly comprises a plug-in rod, a fixed block, a movable block, a bearing spring and a pull rod, the ventilation pipeline is provided with a movable groove and a recess, the movable block is movably connected with the ventilation pipeline and located in the recess, the fixed block is fixedly connected with one end of the movable block, the pull rod is fixedly connected with the other end of the movable block, the pull rod is movably connected with the ventilation pipeline and penetrates through the recess, the two ends of the bearing spring are fixedly connected with the ventilation pipeline and the movable block respectively and are sleeved on the outside of the pull rod, the plug-in rod is fixedly connected with the valve body and located on the outer side wall of the valve body, and the plug-in rod is provided with a fixed groove.

[0007] The connecting assembly further comprises an extrusion arc block, the extrusion arc block is fixedly connected with the plug-in rod and located at the end of the plug-in rod away from the valve body, and the fixed block is provided with an arc surface.

[0008] The connecting assembly further comprises a protection frame and two groups of connecting pieces, the protection frame is located on the outside of the ventilation pipeline, and each group of connecting pieces is connected with the protection frame and the ventilation pipeline respectively.

[0009] The connecting piece comprises a first magnetic block and a second magnetic block, the first magnetic block is fixedly connected with the ventilation duct and located on the outer side of the ventilation duct, the second magnetic block is fixedly connected with the protective frame and located on the protective frame, and the second magnetic block is magnetically attracted to the first magnetic block.

[0010] The fireproof valve of the ventilation duct further comprises two force applying rods, both of which are fixedly connected with the valve body and located on the outer side wall of the valve body.

[0011] The fireproof valve of the ventilation duct, when fixing the valve body on the ventilation duct, the two plug-in rods on the outer side of the valve body are respectively inserted into the movable grooves of the ventilation duct, and the two pull rods of the ventilation duct are pulled, each pull rod drives the fixed block into the groove, and the movable block extrudes and compresses the resisting spring, then the plug-in rods are continuously pushed, when the plug-in rods are completely inserted into the movable grooves, the pull rods are immediately loosened, the resisting spring is stretched to drive the fixed block into the fixed groove of the plug-in rod, and finally the valve body is installed on the ventilation duct; when the valve body is disassembled, the two pull rods are pulled respectively, the fixed block is separated from the fixed groove of the plug-in rod, and then the valve body is separated from the ventilation duct, through the above-mentioned mode, the fireproof valve can be quickly fixed and disassembled on the ventilation duct, the operation is convenient, and the working efficiency of the user is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is a structural schematic view of the fireproof valve of the ventilation duct of the present application.

[0014] Figure 2 It is a structural front view of the fireproof valve of the ventilation duct of the present application.

[0015] Figure 3 It is a structural front view of the fireproof valve of the ventilation duct of the present application. Figure 2 It is an A-A line structural section view of the fireproof valve of the ventilation duct of the present application.

[0016] Figure 4 It is a B local structure enlarged view of the fireproof valve of the ventilation duct of the present application. Figure 3

[0017] ​101-ventilation pipe, 102-valve body, 103-inserting rod, 104-fixed block, 105-moving block, 106-pressing spring, 107-pull rod, 108-moving slot, 109-groove, 110-fixed slot, 111-curved surface, 112-pressing curved block, 113-protection frame, 114-first magnetic block, 115-second magnetic block, 116-force applying rod. DETAILED DESCRIPTION

[0018] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein like reference numerals identify identical or similar elements throughout the views. The embodiments described below are exemplary in nature, and are intended to be illustrative of the present application rather than to limit the present application. Brief Description of the Drawings

[0019] Please refer to Figures 1-4 The present application provides a fireproof valve of ventilation pipe, which comprises a ventilation pipe 101, a valve body 102 and two groups of connecting components, the connecting components comprise an inserting rod 103, a fixed block 104, a moving block 105, a pressing spring 106 and a pull rod 107, the ventilation pipe 101 is provided with a moving slot 108 and a groove 109, the moving block 105 is movably connected with the ventilation pipe 101 and located in the groove 109, the fixed block 104 is fixedly connected with one end of the moving block 105, the pull rod 107 is fixedly connected with the other end of the moving block 105, the pull rod 107 is movably connected with the ventilation pipe 101 and penetrates through the groove 109, the pressing spring 106 is fixedly connected with the ventilation pipe 101 and the moving block 105 at two ends respectively and is sleeved on the outside of the pull rod 107, the inserting rod 103 is fixedly connected with the valve body 102 and located on the outer wall of the valve body 102, and the inserting rod 103 is provided with a fixed slot 110.

[0020] In the embodiment, when the valve body 102 is fixed on the ventilation duct 101, the two plug rods 103 outside the valve body 102 are inserted into the movable slot 108 of the ventilation duct 101 respectively, while the two pull rods 107 are pulled, each pull rod 107 drives the fixed block 104 into the recess 109, while the movable block 105 extrudes and compresses the resisting spring 106, then the plug rods 103 are continuously pushed, when the plug rods 103 are completely inserted into the movable slot 108, the pull rods 107 are released, the resisting spring 106 is stretched to drive the fixed block 104 into the fixed slot 110 of the plug rod 103, and finally the valve body 102 is installed on the ventilation duct 101; when the valve body 102 is disassembled, the two pull rods 107 are pulled respectively to make the fixed block 104 separate from the fixed slot 110 of the plug rod 103, and then the valve body 102 is separated from the ventilation duct 101, through the above-mentioned mode, the fireproof valve can be quickly fixed and disassembled on the ventilation duct 101, the operation is convenient, and the working efficiency of the user is improved.

[0021] Further, the connecting assembly further comprises an extrusion arc block 112, the extrusion arc block 112 is fixedly connected with the plug rod 103 and located at one end of the plug rod 103 away from the valve body 102, and the fixed block 104 has an arc surface 111.

[0022] In the embodiment, by arranging the extrusion arc block 112 at the end of the plug rod 103, the fixed block 104 has the arc surface 111, the plug rod 103 extrudes the fixed block 104 into the recess 109 in the movable slot 108 by means of the extrusion arc block 112, and the protective frame 113 is quickly connected with the ventilation duct 101.

[0023] Further, the connecting assembly further comprises a protective frame 113 and two groups of connecting members, the protective frame 113 is located outside the ventilation duct 101, and each group of the connecting members is connected with the protective frame 113 and the ventilation duct 101 respectively; the connecting member comprises a first magnetic block 114 and a second magnetic block 115, the first magnetic block 114 is fixedly connected with the ventilation duct 101 and located outside the ventilation duct 101, the second magnetic block 115 is fixedly connected with the protective frame 113 and located on the protective frame 113, and the second magnetic block 115 is magnetically attracted to the first magnetic block 114.

[0024] In the embodiment, the pull rod 107 is shielded by the protective frame 113, so that the pull rod 107 is prevented from being damaged due to exposure, and the protective frame 113 is magnetically attracted to the first magnetic block 114 by the second magnetic block 115, so that the protective frame 113 is conveniently fixed and detached outside the ventilation duct 101.

[0025] Further, the fireproof valve of the ventilation duct further comprises two force applying rods 116, and each of the two force applying rods 116 is fixedly connected to the valve body 102 and located on the outer sidewall of the valve body 102.

[0026] In the embodiment, the force applying rod 116 is arranged outside the valve body 102, so that the valve body 102 is conveniently held by the force applying rod 116, and the operation is simple.

[0027] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope of the utility model.

Claims

1. A fireproof valve of a ventilation duct, comprising a ventilation duct and a valve body, characterized in that, two sets of connecting assemblies are further included, the connecting assemblies comprising a plug rod, a fixed block, a movable block, a resisting spring and a pull rod, the ventilation duct having a movable slot and a groove, the movable block being movably connected with the ventilation duct and located in the groove, the fixed block being fixedly connected with one end of the movable block, the pull rod being fixedly connected with the other end of the movable block, the pull rod further being movably connected with the ventilation duct and penetrating through the groove, the resisting spring having two ends fixedly connected with the ventilation duct and the movable block respectively and sleeved on the outside of the pull rod, the plug rod being fixedly connected with the valve body and located on the outer sidewall of the valve body, the plug rod having a fixed slot.

2. The fireproof valve of a ventilation duct according to claim 1, characterized in that, the connecting assemblies further comprise a pressing arc block, the pressing arc block being fixedly connected with the plug rod and located at the end of the plug rod away from the valve body, the fixed block having an arc surface.

3. The fireproof valve of a ventilation duct according to claim 2, characterized in that, the connecting assemblies further comprise a protective frame and two sets of connecting pieces, the protective frame being located on the outside of the ventilation duct, each set of the connecting pieces being connected with the protective frame and the ventilation duct respectively.

4. The fireproof valve of a ventilation duct according to claim 3, characterized in that, the connecting pieces comprise a first magnetic block and a second magnetic block, the first magnetic block being fixedly connected with the ventilation duct and located on the outside of the ventilation duct, the second magnetic block being fixedly connected with the protective frame and located on the protective frame, and the second magnetic block being magnetically attracted to the first magnetic block.

5. The fireproof valve of a ventilation duct according to claim 1, characterized in that, the fireproof valve of a ventilation duct further comprises two force applying rods, the two force applying rods being fixedly connected with the valve body and located on the outer sidewall of the valve body.

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