CN214323195U

CN214323195U - Fire detector assembly and disassembly tools

Info

Publication number: CN214323195U
Application number: CN202022681135.2U
Authority: CN
Inventors: 高锦思; 万军; 肖伟捷; 陈云海
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-10-01
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the field of disassembling and assembling tools, and provides a disassembling and assembling tool for a fire detector, which comprises a base and at least two clamping jaws, wherein each clamping jaw is dispersedly arranged outside a clamping area and is used for clamping the fire detector placed in the clamping area together; at least one clamping jaw is a movable jaw, the movable jaw is movably arranged on the base and can move relative to the base to enable each clamping jaw to loosen the clamping of the fire detector, and an elastic device is arranged on the base and used for driving the movable jaw to move towards a clamping area to clamp the fire detector; the base is provided with a hand lever or a connecting structure for connecting the hand lever. This assembly and disassembly tools can supply the operation personnel to carry out the dismouting operation to the fire detector of eminence conveniently in the safe position of low department, can effectively improve the operating efficiency, reduces safe risk to simple structure, the manufacturing of being convenient for.

Description

Fire detector assembly and disassembly tools

Technical Field

The utility model belongs to the assembly and disassembly tools field, more specifically say, relate to an assembly and disassembly tools that fire detector used.

Background

The fire detector is an important component in a fire-fighting system and is widely applied to nuclear power stations, factories, various buildings and the like. Whether the function of the fire detector is normal or not directly affects the reliability of the fire protection system, so the fire detector needs to be checked and maintained frequently, and the fire detector needs to be replaced regularly to ensure the normal operation of the fire protection system. Fire detector arranges in each department of building in general in a large number and takes place to carry out comprehensive detection to the fire condition everywhere of building, and current fire detector adopts the spiro union structure to install usually to the mounted position is higher usually, when maintaining or changing fire detector, operating personnel often need set up the scaffold frame or come to carry out the dismouting to the fire detector of eminence with the help of the ladder, and the operation is comparatively time-consuming and inconvenient, and operating efficiency is lower, and the eminence operation also has certain safe risk to operating personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a fire detector assembly and disassembly tools that conveniently carries out the dismouting, can improve the operating efficiency, reduce the operation risk to fire detector.

In order to achieve the above object, the utility model adopts the following technical scheme:

the clamping jaws are dispersedly arranged on the outer side of a clamping area and are used for clamping the fire detector placed in the clamping area together, a clamping block protruding towards one side of the clamping area is arranged on each clamping jaw, and the clamping block is used for being inserted into a smoke inlet of the fire detector; at least one clamping jaw is a movable jaw, the movable jaw is movably arranged on the base and can move relative to the base to enable each clamping jaw to release clamping of the fire detector, an elastic device is arranged on the base and used for driving the movable jaw to move towards the clamping area so as to clamp the fire detector; the base is provided with a hand lever or a connecting structure for connecting the hand lever.

Preferably, the upper end of the clamping block is provided with an upper guide surface which is inclined upwards along the direction outward from the clamping area, and the lower end of the clamping block is provided with a lower guide surface which is inclined downwards along the direction outward from the clamping area.

Preferably, the clamping block is in the shape of an arc matched with the shape of a smoke inlet of the fire detector.

Preferably, each clamping jaw is evenly distributed circumferentially around a vertical central axis of the clamping area.

Preferably, the number of the clamping jaws is two, and the two clamping jaws are oppositely arranged on two sides of the clamping area.

Preferably, each clamping jaw is a movable jaw.

Preferably, the lower part of the movable claw is pivoted on the base through a transverse pivoting shaft, so that the movable claw can be arranged on the base in a laterally swinging manner, and the clamping block is positioned above the pivoting shaft.

Preferably, the number of the movable claws is two or more, each movable claw is provided with a pressing plate protruding towards the direction of the clamping area, the elastic device comprises an elastic part and a pressing part, the pressing plate of each movable claw is positioned below the pressing part, and the elastic part is used for driving the pressing part to move downwards so as to simultaneously push each pressing plate to swing downwards.

Preferably, the elastic force exerted by the elastic member on the pressing member is adjustable.

Preferably, the elastic component is a spring, a guide rod is arranged on the base in a vertically sliding mode, an adjusting nut is screwed on the upper portion of the guide rod, the adjusting nut is pressed on the top surface of the lower pressing component, a limiting block is arranged on the lower portion of the guide rod, the spring sleeve is arranged outside the guide rod, two ends of the spring are respectively abutted to the limiting block and the base, and the adjusting nut can be screwed in or out on the guide rod to adjust the compression amount of the spring.

The utility model provides an its beneficial effect of fire detector assembly and disassembly tools lies in: when the disassembly and assembly tool is used for disassembling a fire detector, an operator can hold the hand lever to extend each clamping jaw to a high position to reach the installation position of the fire detector, and can push the smoke inlet end of the fire detector to open the movable jaw relative to the base in a movable manner so that the fire detector can enter a clamping area, then the elastic device can drive the movable jaw to move so that each clamping jaw can automatically clamp the fire detector, meanwhile, the clamping blocks on each clamping jaw can be inserted into the smoke inlet on the side surface of the fire detector, then the operator can rotate the hand lever to drive the fire detector to rotate so as to unscrew the fire detector, and then the fire detector can be taken out only by loosening the movable jaw; when the fire detection installer is installed, the disassembly and assembly tool can be separated from the fire detector only by placing the fire detector into the clamping area, moving the clamping fire detector to the installation position through the hand lever, and pulling the base to open the movable claws after screwing the fire detector. Therefore, this assembly and disassembly tools can supply the operation personnel to carry out the dismouting operation to the fire detector of eminence conveniently in the safe position of low department, can effectively improve the operating efficiency, reduce safe risk, and simple structure, the processing manufacturing of being convenient for, at the in-process of rotating fire detector, the fixture block that inserts into the mouth can with the lateral wall butt of advancing the mouth, make the difficult relative fire detector rotation of clamping jaw, can exert bigger torsional force to fire detector, be convenient for dismantle and with the more firm installation of fire detector installation to the tighter fire detector of installation, can further make things convenient for fire detector's dismouting operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the preferred embodiment of the present invention;

fig. 3 is a schematic view of the usage status of the preferred embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

a base 10; a sleeve 11; a limit key 12; a clamping jaw 20; a latch block 21; an upper guide surface 211; a lower guide surface 212; a pivot shaft 22; a pressing plate 23; a push-down member 31; an elastic member 32; a guide rod 41; an adjusting nut 42; a stopper block 43; a fire detector 50; a smoke inlet 51.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a fire detector disassembling tool, which includes a base 10 and at least two clamping jaws 20, wherein each clamping jaw 20 is disposed outside a clamping area in a dispersing manner and is used to clamp a fire detector 50 placed in the clamping area together, each clamping jaw 20 is provided with a fixture block 21 protruding toward one side of the clamping area, and the fixture block 21 is used to insert into a smoke inlet 51 of the fire detector 50; at least one clamping jaw 20 is a movable jaw, the movable jaw is movably arranged on the base 10 and can move relative to the base 10 to enable each clamping jaw 20 to release the clamping of the fire detector 50, and an elastic device is arranged on the base 10 and used for driving the movable jaw to move towards a clamping area to clamp the fire detector 50; the base 10 is provided with a handle bar or a connection structure for connecting the handle bar. When the disassembling tool is used for disassembling the fire detector 50, an operator can hold the hand lever to extend the clamping jaws 20 to a high position to reach the installation position of the fire detector 50, and can push the smoke inlet end of the fire detector 50 to enable the movable jaws to movably open relative to the base 10 so that the fire detector 50 can enter a clamping area, then the elastic device can drive the movable jaws to move to enable the clamping jaws 20 to automatically clamp the fire detector 50, meanwhile, the clamping blocks 21 on the clamping jaws 20 can be inserted into smoke inlet 51 on the side surface of the fire detector 50, then the operator can rotate the hand lever to drive the fire detector 50 to rotate so as to unscrew the fire detector 50, and then the fire detector 50 can be taken out only by loosening the movable jaws; when the fire detection installer is used for installation, the disassembly and assembly tool can be separated from the fire detector 50 only by placing the fire detector 50 into the clamping area, moving the clamping fire detector 50 to the installation position through the hand lever, screwing the fire detector 50 and then pulling the base 10 to open the movable claws. Therefore, this assembly and disassembly tools can supply the operation personnel to carry out the dismouting operation to the fire detector 50 of eminence conveniently in the safe position of low department, can effectively improve the operating efficiency, reduce safe risk, and simple structure, the processing and manufacturing of being convenient for, at the in-process of rotating fire detector 50, insert into the fixture block 21 of mouth 51 can with the lateral wall butt of mouth 51, make clamping jaw 20 difficult relative fire detector 50 rotate, can exert bigger torsional force to fire detector 50, be convenient for dismantle and more firm installation with fire detector 50 the tight fire detector 50 of installation, can further make things convenient for fire detector 50's dismouting operation.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, be provided with a sleeve 11 on the base 10, be provided with spacing key 12 in the sleeve 11, this sleeve 11 can supply the handspike to insert in order to be connected with the handspike, and the locating part can restrict the relative rotation of handspike and sleeve 11, so can change the handspike of different length as required, and it is more convenient to use, also is convenient for accomodate. In other embodiments, a hand lever may be directly disposed on the base 10, the hand lever may also be made into a telescopic structure, or the base 10 may also be connected with the hand lever through other common connection structures such as a screw connection structure, a buckle structure, and the like, without being limited thereto.

In this embodiment, the upper end of the locking block 21 is provided with an upper guiding surface 211 inclined upward in the direction outward from the clamping area, so as to facilitate pushing each clamping jaw 20 toward the fire detector 50 and opening the movable jaw, and the lower end of the locking block 21 is provided with a lower guiding surface 212 inclined downward in the direction outward from the clamping area, so as to facilitate pulling each clamping jaw 20 out of the fire detector 50 and opening the movable jaw, thereby further facilitating operation and use.

In this embodiment, fixture block 21 is the arc of advancing smoke mouth 51 shape looks adaptation with fire detector 50, can better advance the cooperation of cigarette end and arc-shaped smoke mouth 51 with fire detector 50's circular shape commonly used, improves the firmness that this assembly and disassembly tools and fire detector 50 are connected for fire detector 50 is difficult to be taken off from this assembly and disassembly tools pine, convenient operation and use. In other embodiments, the shape of the latch 21 may be selected from other suitable shapes such as square, cone, tooth, etc. according to the structure of the fire detector 50, but is not limited thereto.

In this embodiment, each clamping jaw 20 encircles the vertical center pin circumference evenly distributed of centre gripping region, can guarantee the degree of consistency to fire detector 50 clamping-force, conveniently adjusts well and dismouting, convenient to use fire detector 50. The number of the clamping jaws 20 is two in the embodiment, the two clamping jaws are oppositely arranged on two sides of the clamping area, the structure is simple, the application range is wide, and the processing, the manufacturing and the operation and the use are convenient. In other embodiments, the number of the clamping jaws 20 can be flexibly adjusted according to the requirement, for example, three, four, or any other number can be selected, and the distribution mode can also be flexibly adjusted according to the requirement, for example, a non-uniform distribution mode can be adopted, and the clamping jaws only need to be capable of clamping the fire detector 50, but not limited to this.

In this embodiment, each of the clamping jaws 20 is a movable jaw, so that the opening degree of each of the clamping jaws 20 can be improved, the fire detector 50 can be conveniently clamped and taken out, and the operation and the use are convenient. In other embodiments, only some of the clamping jaws 20 may be movable jaws, for example, when the number of the clamping jaws 20 is two, one clamping jaw 20 is a movable jaw, and the other clamping jaw 20 is fixed on the base 10; when the number of the clamping jaws 20 is three, one or two of the clamping jaws 20 is a movable jaw, and the other clamping jaws 20 are fixed on the base 10, etc., those skilled in the art can flexibly set the clamping jaws as required, but not limited thereto.

In this embodiment, the lower portion of the movable jaw is pivoted to the base 10 through a transverse pivot 22, so that the movable jaw can be laterally swung on the base 10, and the fixture block 21 is located above the pivot 22, so that pushing and pulling operations of the fire detector 50 can be performed through vertical movements, which is convenient for operators to operate. In other embodiments, the movable claws may also swing or move laterally to clamp and open, and the corresponding movable claws may be pivoted or slid laterally on the base 10 via a vertical hinge shaft.

Referring to fig. 2, in this embodiment, each movable jaw is provided with a pressing plate 23 protruding toward the clamping area, the elastic device includes an elastic member 32 and a pressing member 31, the pressing plate 23 of each movable jaw is located below the pressing member 31, the elastic member 32 is used to drive the pressing member 31 to move downward to push each pressing plate 23 to swing downward at the same time, so that the clamping jaws 20 swing inward to perform clamping, and thus the pressing member 31 can be used to synchronously push the plurality of clamping jaws 20 to swing, which is helpful to simplify the structure of the dismounting tool and facilitate the manufacturing. In other embodiments, the elastic device may also be provided as a plurality of elastic structures corresponding to the movable claws one by one, for example, a torsion spring or a spring may be provided for each movable claw, or an elastic pull rope may also be used to connect the movable claw with the base 10 or each movable claw, and these elastic structures are widely used and can be flexibly selected by those skilled in the art according to the needs.

In this embodiment, the elastic force applied by the elastic member 32 to the pressing member 31 is adjustable, so that the clamping force applied by each clamping jaw 20 to the fire detector 50 can be conveniently adjusted to meet different use requirements, and the use is more flexible and convenient. In this embodiment, the elastic member 32 is a spring, a guide rod 41 is disposed on the base 10 and can slide up and down, an adjusting nut 42 is screwed on an upper portion of the guide rod 41, the adjusting nut 42 is pressed on a top surface of the lower pressing member 31, a limiting block 43 is disposed on a lower portion of the guide rod 41, the spring is sleeved outside the guide rod 41, two ends of the spring are respectively abutted to the limiting block 43 and the base 10, the adjusting nut 42 can be screwed in or out on the guide rod 41 to adjust a compression amount of the spring, so that a magnitude of a downward force applied to the lower pressing member 31 by the spring can be adjusted, the guide rod 41 can also guide movement of the lower pressing member 31 and position the spring, and the elastic member is simple in structure and convenient to process, manufacture, operate and use. In other embodiments, the elastic member 32 may also adopt other elastic structures such as a tension spring, a torsion spring, an elastic cord, etc., and accordingly, the magnitude of the elastic force applied by the elastic member may be adjusted by adjusting the stretching amount of the tension spring, the torsion degree of the torsion spring, the length of the elastic cord, etc., but is not limited thereto.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A fire detector assembly and disassembly tools which characterized in that: the clamping device comprises a base (10) and at least two clamping jaws (20), wherein the clamping jaws (20) are dispersedly arranged on the outer side of a clamping area and are used for clamping a fire detector (50) placed in the clamping area together, clamping blocks (21) protruding towards one side of the clamping area are arranged on the clamping jaws (20), and the clamping blocks (21) are used for being inserted into a smoke inlet (51) of the fire detector (50); at least one clamping jaw (20) is a movable jaw, the movable jaw is movably arranged on the base (10) and can move relative to the base (10) to enable each clamping jaw (20) to release the clamping of the fire detector (50), and an elastic device is arranged on the base (10) and used for driving the movable jaw to move towards the clamping area to clamp the fire detector (50); the base (10) is provided with a hand lever or a connecting structure for connecting the hand lever.

2. A fire detector assembly and disassembly tool as recited in claim 1, wherein: the upper end of the clamping block (21) is provided with an upper guide surface (211) which inclines upwards along the direction outwards from the clamping area, and the lower end of the clamping block (21) is provided with a lower guide surface (212) which inclines downwards along the direction outwards from the clamping area.

3. A fire detector assembly and disassembly tool as recited in claim 1, wherein: the fixture block (21) is in the shape of an arc matched with the shape of a smoke inlet (51) of the fire detector (50).

4. A fire detector assembly and disassembly tool as recited in claim 1, wherein: the clamping jaws (20) are circumferentially and uniformly distributed around a vertical central axis of the clamping area.

5. A fire detector assembly and disassembly tool as recited in claim 4, wherein: the number of the clamping jaws (20) is two.

6. A fire detector handling tool according to any one of claims 1 to 5, wherein: each clamping jaw (20) is a movable jaw.

7. A fire detector handling tool according to any one of claims 1 to 4, wherein: the lower part of the movable claw is pivoted on the base (10) through a transverse pivoting shaft (22) so that the movable claw can be arranged on the base (10) in a laterally swinging mode, and the clamping block (21) is located above the pivoting shaft (22).

8. A fire detector assembly and disassembly tool as recited in claim 7, wherein: the number of the movable claws is two or more, each movable claw is provided with a pressing plate (23) protruding towards the direction of the clamping area, the elastic device comprises an elastic piece (32) and a pressing piece (31), the pressing plate (23) of each movable claw is positioned below the pressing piece (31), and the elastic piece (32) is used for driving the pressing piece (31) to move downwards so as to simultaneously push each pressing plate (23) to swing downwards.

9. A fire detector assembly and disassembly tool as recited in claim 8, wherein: the elastic force exerted by the elastic member (32) on the pressing member (31) is adjustable.

10. A fire detector assembly and disassembly tool as recited in claim 9, wherein: elastic component (32) is a spring, gliding guide arm (41) from top to bottom that is provided with on base (10), the upper portion spiro union of guide arm (41) has an adjusting nut (42), adjusting nut (42) compress tightly the top surface of pushing down piece (31), the lower part of guide arm (41) is provided with a stopper (43), the spring housing is established guide arm (41) outer and the both ends of spring respectively with stopper (43) and base (10) butt, adjusting nut (42) can precession or screw-out in order to adjust on guide arm (41) the compression capacity of spring.