CN212123095U

CN212123095U - Dismounting device of smoke detector

Info

Publication number: CN212123095U
Application number: CN202020792420.9U
Authority: CN
Inventors: 何冰山
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-11
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a smoke detector dismounting device used for ground operation and smoke detector dismounting operation between floors, relating to the technical field of smoke detectors, solving the potential safety hazard existing in ladder stand operation and ladder stand operation, providing a tool of the smoke detector for ground dismounting, aiming at the smoke detectors installed at different heights, workers can freely control a dismounting tool, the dismounting device of the smoke detector comprises a base, one end of a first sleeve rod is connected with the base, a lead screw is arranged in the first sleeve rod, a sliding component is arranged on the lead screw, the first sleeve rod is arranged on the sliding component, baffles hinged with the base are symmetrically arranged in the base, two baffles are respectively provided with a bracket, two fixed blocks which are arranged oppositely are arranged on the bracket, the former manual climbing operation is changed, and dismounting operation is completed on the ground through the dismounting device, safe operation, can freely control the length of the disassembling tool.

Description

Dismounting device of smoke detector

Technical Field

The utility model relates to a technical field of cigarette sensilla, concretely relates to dismounting device of cigarette sensilla.

Background

The smoke detector is a necessary fire-fighting safety facility in modern office buildings, and has great practical significance for preventing fire and reducing fire loss; the existing smoke sensor structure usually adopts a threaded connection installation and a ceiling, but in order to ensure the safety of a building, the smoke sensor is usually overhauled and replaced at regular intervals, so a crawling ladder needs to be erected for climbing operation, a dismounting device is used for overhauling the smoke sensor, the body needs to be straightened, the arm is lifted to carry out dismounting operation, the number of the smoke sensors is very densely distributed in the modern building, so the labor intensity of operators is very high, and the operation efficiency is very low due to the fact that the crawling ladder needs to be carried and climbed up and down, a certain distance exists between the smoke sensors and the ground, and certain potential safety hazards exist when the smoke sensor is dismounted;

chinese patent application No.: CN201520463105.0, a dismounting device of a smoke detector, which comprises an assembling rod and a dismounting seat, wherein the assembling rod is a telescopic rod and comprises a top rod, a connecting rod and a supporting rod … …, a clamp member is arranged on the inner wall of the mounting seat, the smoke detector is clamped by the clamp member in the process of rotating a rotating handle, so that the smoke detector is driven to rotate, a plurality of grooves matched with the smoke detector are arranged on the clamp member at intervals along the circumferential direction, and the smoke detector is further clamped; aiming at the problems that the existing smoke detector has a plurality of types and is not matched with the smoke detector, how to further clamp the smoke detector, and how to adjust the whole length is not disclosed in the specification.

SUMMERY OF THE UTILITY MODEL

Have the dismouting difficult among the solution prior art, there is the problem of potential safety hazard in the climbing operation, the utility model provides an easy to assemble's extracting tool, the workman to the smoke detector of co-altitude can freely control the dismounting device of this extracting tool length smoke detector.

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

a dismounting device of a smoke detector comprises a first loop bar, wherein a base is arranged at one end of the first loop bar, a second loop bar is arranged at the other end of the first loop bar, a third loop bar is arranged at the other end of the second loop bar, bearings are arranged at two ends of the interior of the first loop bar, the second loop bar and the third loop bar, and positioning rods for fixing the bearings are arranged on the outer rings of the bearings; a lead screw penetrates through inner rings of the two bearings in the first loop bar, a sliding assembly is arranged on the lead screw, a first ejector rod is arranged on one side, close to the base, of the sliding assembly, the sliding assembly comprises an annular support matched with the lead screw, a threaded hole is formed in the annular support, the annular support is located on the lead screw between the two bearings in the first loop bar, a connecting rod is further arranged on the annular support, a through hole for accommodating the connecting rod is formed in the positioning rod, and the connecting rod is inserted into the through hole and connected with the first ejector rod; baffles hinged with the base are symmetrically arranged in the base, supports are arranged on the backs of the two baffles, and fixing blocks arranged oppositely are arranged on the two supports; a second ejector rod penetrates through the two bearings in the second sleeve rod; a third push rod penetrating through the two bearings in the third sleeve rod is arranged in the third sleeve rod, a first gear is arranged at one end of the third push rod, a second gear for driving the first gear is arranged on the inner wall of the third sleeve rod, and a twisting handle for driving the second gear to rotate is arranged on the third sleeve rod; the protruding position of second ejector pin is the quadrangular frustum pyramid structure, the holding tank that has the protruding position of cooperation second ejector pin is opened to the lead screw, be equipped with bellied quadrangular frustum pyramid and be equipped with the bellied recess of cooperation at the second ejector pin on the third ejector pin.

The second gear, the first gear, the third ejector rod, the second ejector rod and the lead screw are sequentially driven to rotate through rotating the wrench by hands, the sliding assembly on the lead screw is promoted to push the first ejector rod to jack the two baffles, the two fixing blocks are finally clamped on the smoke detector, the number of the second sleeve rods is increased in a mode that the user can add threads to be connected, the overall length is further changed, manual ground operation is achieved, and potential risks of aerial operation are solved.

Preferably, the two baffles form an inverted V-shaped structure; the end part of the first ejector rod, which is close to one end of the base, is a truncated cone, the diameter of any one of the upper bottom surface and the lower bottom surface of the truncated cone is larger than two, the minimum distance between the baffles in the parallel state limits the truncated cone of the first ejector rod to be a better pushing baffle, and the two baffles of the structure shaped like the Chinese character 'ba' are formed, so that the first ejector rod can enter the baffle more smoothly.

Preferably, the opposite surfaces of the fixed blocks are arc-shaped, the arc-shaped surfaces of the two fixed blocks are provided with anti-skid layers, and the anti-skid layers are of a wave linear structure; the stress area is reduced, so that the friction force of the contact point is increased, and the slipping of the smoke detector in the clamping process is avoided.

Preferably, the protruding position of second ejector pin is the quadrangular frustum pyramid structure, the holding tank that has the protruding position of cooperation second ejector pin is opened to the lead screw, be equipped with bellied quadrangular frustum pyramid on the third ejector pin and be equipped with the bellied recess of cooperation at the second ejector pin, be favorable to the second ejector pin to get into the lead screw more smoothly, the quadrangular frustum pyramid structure is guaranteed can not break away from in the pivoted.

The utility model has the advantages that:

1. the manual climbing operation in the past is changed, and the dismounting work and the safe operation are completed on the ground through the dismounting device.

2. Aiming at smoke detectors with different heights, a worker can freely control the length of the disassembling tool, and the effect of adjusting the conditions according to the local conditions is realized.

3. First ejector pin removes the expansion of drive baffle, solves the diameter undersize that first ejector pin tip is the round platform body, leads to the baffle expansion power degree not enough, and the clamping effect of the fixed block that causes is not good.

4. The problem that the clamping process deviates is further solved through the arc-shaped fixing block, and an anti-slip layer is arranged on the clamping process to reinforce the friction force of the contact points.

Description of the drawings:

fig. 1 is an overall perspective view of the present invention;

fig. 2 is an overall sectional view of the present invention;

fig. 3 is an enlarged view of the present invention at a in fig. 2;

fig. 4 is a schematic view of the connection of the positioning rod of the present invention;

FIG. 5 is a schematic view of the connection of the slide assembly of the present invention;

FIG. 6 is a perspective view of the first loop bar of the present invention

Fig. 7 is a perspective view of a second loop bar of the present invention;

fig. 8 is a perspective view of a third loop bar of the present invention;

fig. 9 is a schematic view of the side opening of the base of the present invention;

FIG. 10 is a schematic view of a smoke detector held by a fixture block according to the present invention;

fig. 11 is a schematic structural view of the end of the second mandril of the present invention;

fig. 12 is a schematic view of the end structure of the screw rod of the present invention;

fig. 13 is a schematic view of the engaging between the handle and the second gear of the present invention.

Description of reference numerals:

1. a first loop bar; 1-1, a first boss; 1-2, a first through hole part; 1-3, a first recess; 2. a second loop bar; 2-1, a second boss; 2-2, a second through hole portion; 2-3, a second recess; 3. a third loop bar; 3-1, a third recess; 3-2, a third through hole part; 4. twisting the hands; 5. a base; 5-1, opening the base; 6. a support; 7. a fixed block; 7-1, an anti-slip layer; 8. a third ejector rod; 9. a bearing; 10. a first gear; 11. a second gear; 12. a second ejector rod; 13. a lead screw; 13-1, accommodating a tank; 14. positioning a rod; 14-1, a through hole; 15. a sliding assembly; 16. a connecting rod; 17. a first ejector rod; 18. an annular support; 18-1, a threaded hole; 19. a baffle plate; a/b, hinge point.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-13, a dismounting device for smoke detector comprises a first loop bar 1, a base 5 is arranged at one end of the first loop bar 1, a second loop bar 2 is arranged at the other end of the first loop bar 1, a third loop bar 3 is arranged at the other end of the second loop bar 2, in order to facilitate the disassembly and assembly, the first loop bar 1 and the base 5, the first loop bar 1 and the second loop bar 2, and the second loop bar 2 and the third loop bar 3 are all in threaded connection, and rubber gaskets are added among all the connecting positions so as to reduce the abrasion among all the connecting positions, meanwhile, the situation of thread slipping in the installation process can be avoided, the first concave part 1-3 of the first loop bar 1 is connected with the base 5, the first convex part 1-1 of the first loop bar 1 is connected with the second concave part 2-3 of the second loop bar 2, and the second convex part 2-1 of the second loop bar 2 is connected with the third concave part 3-1 of the third loop bar 3; bearings 9 are arranged at two ends of the inner parts of the first sleeve rod 1, the second sleeve rod 2 and the third sleeve rod 3, a positioning rod 14 is arranged on the outer ring of each bearing 9, a lead screw 13 is arranged in the inner ring of each bearing 9 in the first sleeve rod 1, the outer ring of each bearing 9 is welded on the inner wall of the first sleeve rod 1 through the positioning rod 14 at the position, and a sliding assembly 15 is arranged on each lead screw 13;

as shown in fig. 3, baffles 19 hinged with the base 5 are symmetrically arranged in the base 5, the cross section of each baffle 19 is in a shape of Chinese character 'ba', a support 6 is arranged on the back of each baffle 19, the baffles 19 and the supports 6 are fixed through bolts, as shown in fig. 2 and 9, a base opening 5-1 which is parallel to the long axis direction and is used for extending the base 5 of the support 6 outwards is arranged on the side surface of the base 5, fixing blocks 7 which are oppositely arranged are arranged on the two supports 6, as shown in fig. 1, the opposite surfaces of the two fixing blocks 7 are arc-shaped, the problem of offset in the clamping process is solved through the arc-shaped fixing blocks 7, anti-skid layers 7-1 are arranged on the arc-shaped surfaces of the two fixing blocks 7, the anti-skid layers 7-1 are in a wave-line structure, the stress area is reduced, the friction force of the contact point is increased, the skid in the process of clamping the smoke detector, the first mandril 17 is inserted in the base 5 and matched with the two baffles 19;

as shown in fig. 5, the sliding assembly 15 includes an annular bracket 18 matched with the lead screw 13, a threaded hole 18-1 is formed in the annular bracket 18, the annular bracket 18 is located on the lead screw 13 between the two bearings 9 in the first link 1, threads on the lead screw 13 are matched with threads of the threaded hole 18-1 in the annular bracket 18, a connecting rod 16 is further arranged on the annular bracket 18, the connecting rod 16 is inserted in the positioning rod 14 and fixedly connected with the first link 17, the positioning rod 14 is provided with a through hole 14-1 through which the connecting rod 16 passes, so that when the lead screw 13 rotates, the annular bracket 18 rotates along with the rotation, and a thread ring on the lead screw 13 drives the annular bracket 18 to move left and right along the long axis direction of the lead screw 13;

as shown in fig. 2, a second ejector rod 12 penetrates through two bearings 9 inside the second sleeve rod 2, one end of the second ejector rod 12, which is close to the first sleeve rod 1, is protruded, a groove matched with the protrusion of one end of the first sleeve rod 1 is arranged on a lead screw 13, the protrusion of the second ejector rod 12 is a non-circular quadrangular frustum structure with a trapezoidal cross section along the long axis direction of the second ejector rod 12, the second ejector rod 12 and the inner ring of the bearing 9 are fixed by welding, and the outer rings of the two bearings 9 at the position are welded on the inner wall of the second sleeve rod 2 through a positioning rod;

as shown in fig. 2, a third push rod 8 is disposed in two bearings 9 in the third sleeve rod 3, a first gear 10 is disposed at one end of the third push rod 8, a second gear 11 for driving the first gear 10 is disposed on an inner wall of the third sleeve rod 3, a twisting handle 4 for driving the second gear 11 to rotate is disposed on the third sleeve rod 3, the third push rod 8 and an inner ring of the two bearings 9 in the third sleeve rod 3 are welded and fixed, an outer ring of the two bearings 9 is welded on an inner wall of the third sleeve rod 3 through a positioning rod 14, the first gear 10 and the second gear are welded on the third push rod 8, a central axis of the first gear 10 is parallel to a long axis of the third sleeve rod 3, a short axis of the second gear 11 is parallel to a long axis of the third sleeve rod 3, and the twisting handle 4 passes through the inner wall of the third sleeve rod 3 and is connected with the second gear 11 in a clamping manner.

The working principle is as follows: firstly, installing each component, then inserting a twisting handle 4 into a second gear through a first sleeve 3, rotating the twisting handle 4 to rotate a second gear 11, driving a first gear 10 to rotate by the second gear 11, driving a third ejector rod 8 by the first gear 10, driving a second ejector rod 12 by the third ejector rod 8, driving a lead screw 13 to rotate by the second ejector rod 12, driving a connecting rod 17 on a sliding component 15 to move towards a base 5, opening a baffle plate 19, making the baffle plate 19 do circular motion at the moment, abutting a fixed block 7 on a bracket 6 connected with the baffle plate 19 against the body surface of a smoke detector, then rotating a third sleeve rod 3 to separate the smoke detector and the smoke detector seat from the smoke detector and connecting the smoke detector seat by screw threads, finally flatly placing the whole, reversely rotating the twisting handle to loosen the smoke detector, finally taking out, placing the replaced smoke detector into the base 5 during installation, and rotating the twisting handle to clamp the smoke detector, the device is erected, the cigarette sensor seat is inserted into the device and screwed in and fixed, the twisting handle is rotated reversely, the fixing block 7 is loosened, and the disassembly and assembly work of the cigarette sensor is completed.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The dismounting device of the smoke detector is characterized by comprising a first loop bar (1), wherein a base (5) is arranged at one end of the first loop bar (1), a second loop bar (2) is arranged at the other end of the first loop bar (1), a third loop bar (3) is arranged at the other end of the second loop bar (2), bearings (9) are arranged at two ends of the inside of the first loop bar (1), the second loop bar (2) and the third loop bar (3), and a positioning rod (14) for fixing the bearings (9) is arranged on the outer ring of each bearing (9);

a lead screw (13) penetrates through inner rings of two bearings (9) in the first loop bar (1), a sliding assembly (15) is arranged on the lead screw (13), and a first ejector rod (17) is arranged on one side, close to the base (5), of the sliding assembly (15);

baffles (19) hinged with the base (5) are symmetrically arranged in the base (5), supports (6) are arranged on the backs of the two baffles (19), and fixing blocks (7) arranged oppositely are arranged on the two supports (6);

a second ejector rod (12) penetrates through the two bearings (9) in the second loop bar (2);

be equipped with third ejector pin (8) that run through in two bearings (9) in third loop bar (3), the one end of third ejector pin (8) is equipped with first gear (10), be equipped with second gear (11) that drive first gear (10) were used on third loop bar (3) inner wall, be equipped with on third loop bar (3) and drive second gear (11) and change hank hand (4) that use.

2. The dismounting device of the smoke detector as claimed in claim 1, wherein said sliding assembly (15) comprises an annular bracket (18) matched with a lead screw (13), said annular bracket (18) is provided with a threaded hole (18-1), said annular bracket (18) is located on the lead screw (13) between two bearings (9) in said first loop bar (1), said annular bracket (18) is further provided with a connecting rod (16), said positioning rod (14) is provided with a through hole (14-1) for accommodating the connecting rod (16), and said connecting rod (16) is inserted in the through hole (14-1) and connected with the first push rod (17).

3. The device for detaching a smoking article according to claim 1, wherein the two baffles (19) form a splayed structure.

4. The dismounting device of the smoke detector as claimed in claim 1, wherein the end part of the first ejector pin (17) close to one end of the base (5) is a truncated cone, and the diameter of any one of the upper bottom surface and the lower bottom surface of the truncated cone is larger than the minimum distance between the two baffles in the parallel state.

5. The dismounting device of the smoke detector as claimed in claim 1, wherein the opposite surfaces of the two fixing blocks (7) are arc-shaped, the arc-shaped surfaces of the two fixing blocks (7) are provided with anti-slip layers (7-1), and the anti-slip layers are wave-shaped linear structures.

6. The dismounting device of the smoke detector as claimed in claim 1, wherein the protruding part of the second ejector rod (12) is a quadrangular frustum pyramid structure, the lead screw (13) is provided with a receiving groove (13-1) matched with the protruding part of the second ejector rod (12), the third ejector rod (8) is provided with a protruding quadrangular frustum pyramid and the second ejector rod (12) is provided with a groove matched with the protruding frustum pyramid.