CN114833758A - Non-contact fire detector dismounting device - Google Patents
Non-contact fire detector dismounting device Download PDFInfo
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- CN114833758A CN114833758A CN202210180829.9A CN202210180829A CN114833758A CN 114833758 A CN114833758 A CN 114833758A CN 202210180829 A CN202210180829 A CN 202210180829A CN 114833758 A CN114833758 A CN 114833758A
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- limiting
- fire detector
- bottom plate
- supporting
- top cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a non-contact fire detector dismounting device, which comprises a supporting rod, a bottom plate connected with the supporting rod, a top cover and a holding mechanism arranged between the bottom plate and the top cover, wherein the bottom plate is provided with a first clamping groove; the clasping mechanism comprises a claw-shaped locking assembly capable of radially stretching along the surface of the bottom plate, an elastic stretching member for providing stretching force for the locking assembly, and a limiting assembly which moves perpendicular to the surface of the bottom plate to limit the stretching of the locking assembly; the locking assembly comprises at least three support claws, at least three corresponding elastic telescopic pieces are arranged, the support claws are elastically connected with the corresponding elastic telescopic pieces, and a clamping space for clamping the fire detector is formed between the top cover and all the support claws; the invention can stably and firmly clamp the fire detector and keep the clamping force, ensures the accuracy, safety and rapidness of installation or disassembly, has smart and simple internal structure, is convenient to maintain and strong in stability, is suitable for various fire detectors, and is convenient to popularize and use.
Description
Technical Field
The invention relates to the field of disassembling tools, in particular to a non-contact type disassembling device for a fire detector.
Background
At present, according to the national standard and standard requirements of national fire safety requirements, fire alarm detectors are required to be installed in all domestic markets, houses, hotels and other places to detect early characteristics of fire, send out fire alarm signals such as temperature sensing and smoke sensing, maintain personnel evacuation, prevent fire from spreading and start automatic fire extinguishing equipment to provide information. To ensure the safety of personnel and property. However, the installation position of the fire detector is usually at the top and high position of the house, so once the fire detector is installed, the difficulty is increased for the maintenance, debugging and testing work in the later period, and the fire detector needs to be installed or disassembled by climbing with tools such as a ladder by personnel, so that the risk of work is increased. Therefore, the special tool for rapidly disassembling the fire detector appears on the market, the special tool has the advantages of being long, short, highly telescopic and the like, the working principle of grabbing the part of the fire detector is simpler, the ratchet wheel is usually used for rotating to drive the three claws to rotate, and the clamping force is inwards applied to disassemble the detector, and the structural form has the defects that the clamping force is unbalanced and unstable, and the fire detector is easily dropped to damage the fire detector or injure operators by smashing.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a non-contact fire detector dismounting device aiming at the defects of the prior art, and the firm and stable structural form ensures that the supporting claw can stably and firmly clamp the detector and keep the clamping force when the fire detector is mounted or dismounted, thereby ensuring the accuracy, safety and rapidness of mounting or dismounting.
The technical scheme adopted by the invention for solving the technical problems is as follows: a non-contact fire detector dismounting device comprises a supporting rod, a bottom plate connected with the supporting rod, a top cover and a holding mechanism arranged between the bottom plate and the top cover;
the clamping mechanism comprises a claw-shaped locking assembly capable of radially stretching along the surface of the bottom plate, an elastic stretching member for providing stretching force for the locking assembly, and a limiting assembly which moves perpendicular to the surface of the bottom plate to limit the stretching of the locking assembly;
the locking assembly comprises at least three supporting claws, at least three corresponding elastic telescopic pieces are arranged, the supporting claws are elastically connected with the corresponding elastic telescopic pieces, and a clamping space for clamping the fire detector is formed between the top cover and all the supporting claws;
initially, the elastic telescopic piece is in a natural state, and all the supporting claws are in a contracted state;
when clamping, external force is applied to enable all the supporting claws to slide along the surface of the bottom plate in the radial direction, the elastic expansion piece is compressed, and meanwhile, the limiting assembly moves forwards along the axial direction to limit the supporting claws to enable the supporting claws to be in an extending state; thrust is applied along the axial direction of the supporting rod until the top cover is pressed against the fire detector, the limiting component is pressed by axial pressure to move backwards so as to relieve the limitation on the supporting claw, and the elastic expansion piece contracts elastically to enable the supporting claw to expand and contract inwards along the radial direction of the center of the bottom plate so as to clamp the fire detector.
Further, preferably, the bottom plate is provided with a sliding rail or a sliding groove extending radially outwards from the center of the bottom plate, and the supporting claw comprises a connecting part matched on the sliding rail or in the sliding groove and a clamping part extending outwards from the bottom plate;
the connecting part is sleeved with the elastic telescopic piece, one end of the elastic telescopic piece is fixed on the bottom plate, and the elastic telescopic piece enables the connecting part to slide along the radial direction of the sliding rail or the sliding groove.
Preferably, the limiting assembly comprises a limiting pressure plate, at least three limiting baffle plates vertically connected with the limiting pressure plate, and a limiting connecting rod arranged at the center of the limiting pressure plate, wherein the limiting connecting rod is parallel to the limiting baffle plates;
a through hole for the penetration of a limiting connecting rod and a through groove for the penetration of a limiting baffle are formed in the corresponding position of the bottom plate, the limiting connecting rod penetrates through the through hole, and a limiting nut is connected to the bottom of the limiting connecting rod;
each limiting baffle corresponds to each supporting claw one by one, and a limiting hole is formed in the middle or the top of each limiting baffle.
Further, preferably, the locking assembly comprises three support claws, and the number of the limit baffles is three.
Further, the diameter of the limiting hole is preferably larger than the diameter of the tail end of the bottom of the supporting claw, so that the supporting claw can penetrate through the limiting hole.
Preferably, the tail end of the supporting claw is sleeved with an anti-slip sleeve, and a bulge is arranged on the outer wall of the anti-slip sleeve.
Further, preferably, the support rod, the bottom plate and the top cover are detachably connected.
Preferably, the supporting rod, the bottom plate and the top cover are provided with through holes matched with the fastening screws, the supporting rod, the bottom plate and the top cover are correspondingly arranged in a one-to-one mode, and the fastening screws penetrate through the through holes to connect the supporting rod, the bottom plate and the top cover.
Further, the through hole in the top cover is preferably a chamfered through hole, so that the top of the fastening screw is flush with the top of the top cover.
Further, preferably, the elastic expansion piece is a compression spring or a spiral spring.
The invention has the following beneficial effects: the non-contact fire detector dismounting device provided by the invention can be used for dismounting the fire detector in a short distance without using a climbing tool and the like, and can stably and firmly clamp the fire detector and keep the clamping force only by arranging the elastic telescopic piece, the claw-shaped locking component and the limiting component, and the fire detector at a high position can be mounted or dismounted by operating the supporting rod on the ground. In addition, the invention has the advantages of flexible and simple internal structure, convenient maintenance, strong stability, suitability for various fire detectors and convenient popularization and use.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is an exploded view of the mounting and dismounting device of the present invention;
FIG. 2 is a schematic view of the extended state of the supporting claws of the dismounting device of the present invention (without the top cover);
FIG. 3 is a schematic view showing the structure of the clamping state of the supporting claws of the dismounting device of the present invention (without a top cover);
FIG. 4 is a side view of the jaw clamped position of the device of the present invention (without the top cover);
FIG. 5 is a bottom view of the mounting and dismounting device of the present invention;
fig. 6 is a schematic structural view of the spacing assembly of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
An element is said to be "secured to" or "disposed on" another element, either directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
The terms "upper," "lower," "left," "right," "front," "back," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or position based on the orientation or position shown in the drawings.
The terms "axial" and "radial" refer to the length of the entire device or component as "axial" and the direction perpendicular to the axial direction as "radial".
The meaning of "plurality" is two or more unless specifically limited otherwise.
The above terms are for convenience of description only and are not to be construed as limiting the present technical solution.
As shown in fig. 1-5, a non-contact fire detector dismounting device comprises a support rod 1, a bottom plate 2 connected with the support rod 1, a top cover 3, and a clasping mechanism 4 arranged between the bottom plate 2 and the top cover 3; the clasping mechanism 4 comprises a claw-shaped locking component 41 which can radially extend and retract along the surface of the bottom plate 2, an elastic extension piece 42 which is used for providing extension force for the locking component 41, and a limiting component 43 which moves perpendicular to the surface of the bottom plate 2 to limit the extension and retraction of the locking component 41; the locking assembly 41 comprises at least three supporting claws 411, all the supporting claws 411 have the same shape, structure and size and certain strength, at least three corresponding elastic telescopic parts 42 are arranged, the supporting claws 411 are elastically connected with the corresponding elastic telescopic parts 42, and a clamping space for clamping the fire detector is formed between the top cover 3 and all the supporting claws 411; initially, the elastic expansion element 42 is in a natural state, and all the supporting claws 411 are in a contracted state; during clamping, external force is applied to enable all the supporting claws 411 to slide outwards along the plate surface of the bottom plate 2 in the radial direction, the elastic expansion piece 42 is compressed, and meanwhile the limiting assembly 43 moves forwards along the axial direction to limit the supporting claws 411 so that the supporting claws 411 are in an extending state; thrust is applied along the axial direction of the support rod 1 until the top cover 3 is pressed against the fire detector, the limiting component 43 is pressed by axial pressure to move backwards so as to relieve the limitation on the supporting claw 411, and the elastic expansion piece 42 elastically contracts so as to enable the supporting claw 411 to radially extend inwards along the center of the bottom plate 2 so as to clamp the fire detector; through setting up elasticity extensible member 42, claw type locking Assembly 41 and spacing subassembly 43 for can be stable, firm centre gripping fire detector and keep the clamp force, guaranteed accuracy, security, the agility of installation or dismantlement. The internal structure is flexible and simple, the maintenance is convenient, and the stability is strong; meanwhile, the support can stretch out and draw back along the radial direction of the bottom plate 2, the supporting claws 411 extend to enlarge the clamping space, and the supporting claws 411 retract to reduce the clamping space, so that the dismounting device is applicable to various fire detectors and is convenient to popularize and use. The length of the supporting rod can be adjusted according to actual needs, so that the supporting rod is suitable for different heights, and the difficulty in maintenance, debugging and testing is reduced.
Further, the elastic expansion member 42 is preferably a compression spring or a spiral spring, so that after the supporting claw 411 of the locking assembly 41 clamps the fire detector, the compression spring or the spiral spring is in a tendency of recovering a natural state, and the elastic force applied to the supporting claw 411 of the locking assembly 41 is constant, so that the clamping stability is maintained.
The bottom plate 2 is provided with a sliding rail 21 or a sliding groove which radially extends outwards from the center of the bottom plate 2, the number of the supporting claws 411 is more than that of the corresponding sliding rail 21 or sliding groove, each supporting claw 411 comprises a connecting part 4111 matched on the sliding rail 21 or in the sliding groove and a clamping part 4112 extending outwards from the bottom plate 2, the clamping parts 4112 are used for clamping the fire detector, the clamping parts 4112 preferably extend axially, the clamping parts 4112 extending axially clamp the side face of the fire detector, and after the installation is convenient, the dismounting device can be taken down by applying an axial pull force; the connecting portion 4111 is sleeved with the elastic telescopic member 42, one end of the elastic telescopic member 42 is fixed on the base plate 2, the elastic telescopic member 42 enables the connecting portion 4111 to slide along the sliding rail 21 or the sliding groove in the radial direction, the elastic telescopic member 42 provides elastic telescopic force for the connecting portion 4111, initially, the elastic telescopic member 42 is in a natural state, and the connecting portion 4111 is in a contracted state; during clamping, an external force is applied to make the connecting portion 4111 slide radially outwards along the plate surface of the base plate 2, the elastic expansion member 42 is compressed, and meanwhile, the limiting component 43 moves forwards along the axial direction to limit the bottom of the connecting portion 4111, so that the whole supporting claw 411 is in an extended state; thrust is exerted along the axial direction of the support rod 1 until the top cover 3 supports against the fire detector, the limiting component 43 is pressed by axial pressure to move backwards to remove the limitation on the connecting part 4111 of the supporting claw 411, the elastic expansion piece 42 elastically contracts to enable the connecting part 4111 and the clamping part 4112 to radially extend inwards along the center of the bottom plate 2, and the clamping part 4112 clamps the fire detector.
As shown in fig. 6, the limiting assembly 43 includes a limiting pressure plate 431, at least three limiting baffles 432 vertically connected to the limiting pressure plate 431, and a limiting connecting rod 433 disposed at the center of the limiting pressure plate 431, the limiting connecting rod 433 is parallel to the limiting baffles 432, and the length of the limiting connecting rod 433 may be slightly longer than that of the limiting baffles 432, wherein the limiting pressure plate 431, the limiting baffles 432, and the limiting connecting rod 433 may be an integral structure, and are integrally formed during production, so that the assembly steps are reduced, and of course, the three may also be separate structures, and the three are fixedly connected; a through hole 22 for the penetration of a limiting connecting rod 433 and a through groove 23 for the penetration of a limiting baffle 432 are arranged at the corresponding position of the bottom plate 2, the limiting connecting rod 433 penetrates through the through hole 22, and the bottom of the limiting connecting rod 433 is connected with a limiting nut 434; the number of the supporting claws 411 is more than that of the corresponding limiting baffles 432, each limiting baffle 432 corresponds to each supporting claw 411 one by one, and the middle part or the top part of each limiting baffle 432 is provided with a limiting hole 4321; the diameter of the limiting hole 4321 is larger than that of the bottom end of the supporting claw 411, so that the supporting claw 411 passes through the limiting hole 4321; initially, the elastic expansion piece 42 is in a natural state, and all the support claws 411 pass through the limiting holes 4321 to be in a contracted state; when the device works, external force is applied to enable all the supporting claws 411 to slide outwards along the surface of the bottom plate 2 in the radial direction, the elastic expansion piece 42 is compressed, the limiting nut 434 is unscrewed, the limiting component 43 is moved forwards along the axial direction of the limiting connecting rod 433, the bottoms of the supporting claws 411 are abutted to the bottom of the limiting baffle 432, and the supporting claws 411 are in an extending state; thrust is applied along the axial direction of the support rod 1 until the top cover 3 is pressed against the fire detector, the limiting component 43 is pressed by axial pressure to move backwards until the bottom of the supporting claw 411 is aligned with the limiting hole 4321, at the moment, the elastic expansion piece 42 is contracted by elasticity to enable the supporting claw 411 to penetrate through the limiting hole 4321 and stretch inwards along the radial direction of the center of the bottom plate 2, and the supporting claw 411 clamps the fire detector.
In a specific embodiment, the locking assembly 41 comprises three supporting claws 411, the number of the limiting baffles 432 is three, the three supporting claws 411 form a stable triangular structure, and the three supporting claws 411 simultaneously clamp the fire detector.
Further, preferably, the anti-skidding sleeve 5 is sleeved at the tail end of the supporting claw 411, the anti-skidding sleeve 5 is connected to the clamping portion 4112 of the supporting claw 411, the anti-skidding sleeve 5 is a rubber piece, and a protrusion is arranged on the outer wall of the anti-skidding sleeve 5, so that the contact area with a fire detector and the friction force required by rotation after clamping can be increased, the fire detector can be firmly clamped in all the supporting claws 411 during installation or disassembly, and the installation or disassembly is safer.
The supporting rod 1, the bottom plate 2 and the top cover 3 are detachably connected, the floor and the top cover 3 can be arranged into two identical circular plates, when the fire detector is installed or disassembled, the supporting rod 1 provides axial thrust for the bottom plate 2 and the top cover 3, and after the fire detector is clamped by the supporting claws 411, the supporting rod 1 provides rotating force for the bottom plate 2 and the top cover 3 so as to install or disassemble the fire detector; the dismounting device further comprises at least one fastening screw 6, preferably at least 3 fastening screws, the supporting rod 1, the bottom plate 2 and the top cover 3 are connected together through the at least 3 fastening screws 6, through holes 11, 24 and 31 matched with the fastening screws 6 are formed in the supporting rod 1, the bottom plate 2 and the top cover 3, the through holes 11, 24 and 31 in the supporting rod 1, the bottom plate 2 and the top cover 3 are arranged in a one-to-one correspondence mode, the fastening screws 6 penetrate through the through holes to be connected with the supporting rod 1, the bottom plate 2 and the top cover 3, fastening nuts 7 matched with the fastening screws 6 are arranged, the fastening nuts 7 are matched with the fastening screws 6 to fix the supporting rod 1, the bottom plate 2 and the top cover 3, and a certain gap is formed in the center positions of the supporting rod 1 and the bottom plate 2, so that the limiting connecting rod 433 can be pushed through the gap; and, the through-hole 31 on the top cap 3 is the chamfer through-hole to make the top of fastening screw 6 flush with the top of top cap 3, make the bottom top remain level and smooth all the time, thereby avoid when installing or dismantling because of the top cap 3 some unevenness damage fire detector.
The implementation process of the dismounting device comprises the following steps: when the disassembly is initial, the elastic telescopic piece 42 is in a natural state, all the supporting claws 411 pass through the limiting holes 4321, and all the supporting claws 411 are in a contracted state; when the clamping is disassembled, external force is applied to enable all the supporting claws 411 to slide outwards along the surface of the bottom plate 2 in the radial direction, the elastic expansion piece 42 is compressed, the limiting nut 434 is unscrewed, the limiting component 43 is moved forwards along the axial direction of the limiting connecting rod 433, the bottoms of the supporting claws 411 are abutted to the bottom of the limiting baffle 432, and the supporting claws 411 are in an extending state; exerting thrust along the axial direction of the supporting rod 1 until the top cover 3 supports and presses the fire detector, the limiting component 43 is subjected to axial pressure to enable the limiting component 43 to move backwards, the limiting baffle 432 of the limiting component 43 also moves backwards, the limiting component moves to the position, at the moment, the tail end of the bottom of the supporting claw 411 is aligned with the limiting hole 4321 in the limiting baffle 432, the elastic expansion part 42 has elastic contraction trend to enable the supporting claw 411 to penetrate through the limiting hole 4321 and stretch inwards along the center of the bottom plate 2 in the radial direction, the supporting claw 411 retracts to clamp the fire detector, the fire detector is connected in a buckling mode, the supporting rod 1 is provided with anticlockwise rotating force after clamping, the bottom plate 2, the clasping mechanism 4, the top cover 3 and the supporting claw 411 rotate along with the following mode, and the fire detector is disassembled from the installation position. During installation, elastic expansion piece 42 is in the natural state, all supporting claws 411 pass spacing hole 4321, all supporting claws 411 are in the contraction state, all supporting claws 411 are with the fire detector centre gripping, use bracing piece 1 to extend the fire detector to the installation position department of eminence, because the fire detector is the buckle connection, give bracing piece 1 a clockwise revolving force, make bottom plate 2, hold tight mechanism 4, top cap 3 and supporting claw 411 follow the rotation, thereby install the fire detector to the installation position, give bracing piece 1 axial tension after the installation, because supporting claw 411 side axial centre gripping fire detector, the centre gripping of supporting claw 411 to fire detector can be relieved to the axial rearward pulling force.
Claims (10)
1. A non-contact fire detector dismounting device is characterized by comprising a supporting rod (1), a bottom plate (2) connected with the supporting rod (1), a top cover (3) and a holding mechanism (4) arranged between the bottom plate (2) and the top cover (3);
the clasping mechanism (4) comprises a claw-shaped locking assembly (41) which can radially extend and retract along the plate surface of the bottom plate (2), an elastic expansion piece (42) which is used for providing expansion force for the locking assembly (41), and a limiting assembly (43) which moves perpendicular to the plate surface of the bottom plate (2) to limit the expansion and retraction of the locking assembly (41);
the locking assembly (41) comprises at least three supporting claws (411), at least three corresponding elastic telescopic pieces (42) are arranged, the supporting claws (411) are elastically connected with the corresponding elastic telescopic pieces (42), and a clamping space for clamping the fire detector is formed between the top cover (3) and all the supporting claws (411);
at the beginning, the elastic expansion piece (42) is in a natural state, and all the supporting claws (411) are in a contracted state;
during clamping, external force is applied to enable all the supporting claws (411) to slide outwards along the plate surface of the bottom plate (2) in the radial direction, the elastic telescopic piece (42) is compressed, and meanwhile the limiting assembly (43) moves forwards along the axial direction to limit the supporting claws (411) so that the supporting claws (411) are in an extending state; thrust is applied along the axial direction of the supporting rod (1) until the top cover (3) is pressed against the fire detector, the limiting component (43) is enabled to move backwards under the action of axial pressure so as to relieve the limitation on the supporting claw (411), and the elastic expansion piece (42) is elastically contracted so as to enable the supporting claw (411) to radially extend inwards along the center of the bottom plate (2) so as to clamp the fire detector.
2. A non-contact fire detector mounting and dismounting device according to claim 1, wherein the base plate (2) is provided with a sliding rail (21) or a sliding groove extending radially outwards from the center of the base plate (2), and the supporting claw (411) comprises a connecting portion (4111) fitted on the sliding rail (21) or in the sliding groove, and a clamping portion (4112) extending outwards from the base plate (2);
connecting portion (4111) cup joints elastic telescopic member (42), the one end of elastic telescopic member (42) is fixed on bottom plate (2), elastic telescopic member (42) makes connecting portion (4111) follow slide rail (21) or spout are radial to be slided.
3. The non-contact fire detector dismounting device according to claim 1, wherein the limiting assembly (43) comprises a limiting pressure plate (431), at least three limiting baffles (432) vertically connected with the limiting pressure plate (431), and a limiting connecting rod (433) arranged at the center of the limiting pressure plate (431), and the limiting connecting rod (433) and the limiting baffles (432) are parallel to each other;
a through hole (22) for penetrating a limiting connecting rod (433) and a through groove (23) for penetrating a limiting baffle (432) are formed in the corresponding position of the bottom plate (2), the limiting connecting rod (433) penetrates through the through hole (22), and the bottom of the limiting connecting rod (433) is connected with a limiting nut (434);
each limiting baffle (432) corresponds to each supporting claw (411) one by one, and a limiting hole (4321) is formed in the middle or at the top of each limiting baffle (432).
4. A non-contact fire detector mounting and dismounting device according to claim 3, wherein the diameter of the limiting hole (4321) is larger than the diameter of the bottom end of the supporting jaw (411) so that the supporting jaw (411) passes through the limiting hole (4321).
5. A non-contact fire detector attachment/detachment apparatus as claimed in claim 3, wherein the locking assembly (41) includes three support claws (411), and the limit stop (432) is provided in three.
6. The non-contact fire detector dismounting device according to claim 1, wherein an anti-slip sleeve (5) is sleeved at the tail end of the supporting claw (411), and a protrusion is arranged on the outer wall of the anti-slip sleeve (5).
7. A non-contact fire detector mounting and dismounting device according to claim 1, wherein the support rod (1), the bottom plate (2) and the top cover (3) are detachably connected.
8. The non-contact fire detector dismounting device according to claim 1, further comprising at least one fastening screw (6), wherein through holes (11, 24, 31) matched with the fastening screw (6) are formed in the support rod (1), the bottom plate (2) and the top cover (3), the through holes (11, 24, 31) in the support rod (1), the bottom plate (2) and the top cover (3) are arranged in a one-to-one correspondence manner, and the fastening screw (6) penetrates through the through holes (11, 24, 31) to connect the support rod (1), the bottom plate (2) and the top cover (3).
9. A non-contact fire detector attachment/detachment apparatus as claimed in claim 8, wherein the through-hole (31) in the top cover (3) is a chamfered through-hole so that the top of the fastening screw (6) is flush with the top of the top cover (3).
10. A non-contact fire detector mounting and demounting device as claimed in claim 1, wherein the elastic expansion member (42) is a compression spring or a coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210180829.9A CN114833758B (en) | 2022-02-25 | 2022-02-25 | Non-contact type fire detector dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210180829.9A CN114833758B (en) | 2022-02-25 | 2022-02-25 | Non-contact type fire detector dismounting device |
Publications (2)
| Publication Number | Publication Date |
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| CN114833758A true CN114833758A (en) | 2022-08-02 |
| CN114833758B CN114833758B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210180829.9A Active CN114833758B (en) | 2022-02-25 | 2022-02-25 | Non-contact type fire detector dismounting device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002109650A (en) * | 2000-10-02 | 2002-04-12 | Nohmi Bosai Ltd | Fire detector |
| CN103624734A (en) * | 2013-12-03 | 2014-03-12 | 张再谊 | Dismounting device for smoke detector and temperature detector |
| CN212302697U (en) * | 2020-07-13 | 2021-01-05 | 曹鹏 | Fire detector with fire-fighting structure |
| CN213796253U (en) * | 2020-11-24 | 2021-07-27 | 杭州徐睿机械有限公司 | Cam driving claw type rubber hoop assembling mechanism |
| CN214323195U (en) * | 2020-11-18 | 2021-10-01 | 中核检修有限公司 | Fire detector assembly and disassembly tools |
-
2022
- 2022-02-25 CN CN202210180829.9A patent/CN114833758B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002109650A (en) * | 2000-10-02 | 2002-04-12 | Nohmi Bosai Ltd | Fire detector |
| CN103624734A (en) * | 2013-12-03 | 2014-03-12 | 张再谊 | Dismounting device for smoke detector and temperature detector |
| CN212302697U (en) * | 2020-07-13 | 2021-01-05 | 曹鹏 | Fire detector with fire-fighting structure |
| CN214323195U (en) * | 2020-11-18 | 2021-10-01 | 中核检修有限公司 | Fire detector assembly and disassembly tools |
| CN213796253U (en) * | 2020-11-24 | 2021-07-27 | 杭州徐睿机械有限公司 | Cam driving claw type rubber hoop assembling mechanism |
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| Publication number | Publication date |
|---|---|
| CN114833758B (en) | 2023-04-25 |
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