CN212013300U

CN212013300U - A ventilation watertight fittings for track traffic field point type fire detector

Info

Publication number: CN212013300U
Application number: CN202021180956.1U
Authority: CN
Inventors: 赵冬; 王灏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-11-24
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a fire detector technical field especially relates to a ventilation watertight fittings that is used for track traffic field point type fire detector. The clamping device comprises a first cover plate, a second cover plate arranged at the bottom of the first cover plate, an installation device arranged at the top of the first cover plate and a clamping device arranged at the bottom of the second cover plate; the second cover plate is fixedly connected to the bottom of the first cover plate; the mounting device comprises a slideway and a sliding plate; the middle part of the slide way is fixedly connected to the top of the first cover plate, and the slide plate is in sliding fit in the slide way; the slideway and the sliding plate are provided with the same opening; the clamping device comprises a sleeve, a lifting rod, a tension spring and an arc-shaped rod; the two cover plates are respectively concave and conical, so that water drops can slide down through the cover plates; the detector can be clamped by the clamping device, so that the detection is not influenced; the mounting device may be adapted to different types of fasteners for fastening the apparatus.

Description

A ventilation watertight fittings for track traffic field point type fire detector

Technical Field

The utility model relates to a fire detector technical field especially relates to a ventilation watertight fittings that is used for track traffic field point type fire detector.

Background

The problem of stable operation of fire detectors in large-space buildings has been a difficulty in the field of fire fighting, and point-type photoelectric smoke-sensing fire detectors have been used in rail transit, storage and transportation, power plants, petrochemical industry, catering and other industries in recent years, wherein the use amount of urban underground rail transit, underground electric power pipe corridors and comprehensive pipe corridors is relatively larger. Because underground environment factors are relatively special, air circulation is relatively unsmooth, and water seepage or moisture regain and other phenomena exist in underground parts along with the influence of various factors such as external environment change, small water drops formed by seepage water drops or moisture accumulation move along the equipment cable and pipeline path under the action of gravity, and the small water drops flow into the interior of the fire detector which is lower relative to the pipeline height along with the cable. The point type photoelectric smoke fire detector is designed to be used indoors, and has no waterproof effect, so that water drops enter the point type photoelectric smoke fire detector to cause the damage of the fire detector to cause the failure of the fire detector: 1. the fire detection function of the fire detector cannot be exerted, and serious fire safety hidden danger exists; 2. the service life of the device is seriously influenced, and the device is damaged in advance in a normal use period, so that the economic resources are excessively wasted; 3. the fire detector fault needs to be timely replaced by personnel, so that manpower distribution is increased, useless work is done, and the working hour utilization rate is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a ventilation and waterproof device for a point type fire detector in the rail transit field aiming at the technical defects, which adopts two cover plates, the shapes of which are respectively concave and conical, and the cover plates can slide down when water drops exist; the detector can be clamped by the clamping device, so that the detection is not influenced; the mounting device may be adapted to different types of fasteners for fastening the apparatus.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the clamping device comprises a first cover plate, a second cover plate arranged at the bottom of the first cover plate, an installation device arranged at the top of the first cover plate and a clamping device arranged at the bottom of the second cover plate; the second cover plate is fixedly connected to the bottom of the first cover plate; the mounting device comprises a slideway and a sliding plate; the middle part of the slide way is fixedly connected to the top of the first cover plate, and the slide plate is in sliding fit in the slide way; the slideway and the sliding plate are provided with the same opening; the clamping device comprises a sleeve, a lifting rod, a tension spring and an arc-shaped rod; the centers of the first cover plate and the second cover plate are provided with through holes; the top end of the sleeve penetrates through the through hole and is fixedly connected with the top of the first cover plate; the lifting rod is in sliding fit in the sleeve; the tension spring is arranged between the lifting rod and the sleeve, one end of the tension spring is connected to the top end of the sleeve, and the other end of the tension spring is connected to the lifting rod; a groove is formed in the side face of the bottom of the lifting rod, a baffle is arranged at the bottom of the sleeve, and an upright post is arranged on the arc-shaped rod; the upright posts are connected with the baffle rotating shaft; one end of the arc-shaped rod is provided with a circular block; the round block is arranged in the groove; the other end of the arc-shaped rod is provided with a hook.

Further optimizing the technical scheme, symmetrical ripples are arranged on the inner wall of the slideway and the sliding plate; the first cover plate is concave.

Further optimizing the technical scheme, at least three arc-shaped rods are arranged on the circumference of the baffle; the second cover plate is arranged in a conical shape.

Further optimizing the technical scheme, the lifting rod and the top end of the sleeve are sealed by a sealing ring; the arc-shaped rod and the hook are sleeved with rubber sleeves.

Further optimize this technical scheme, be provided with the round hole on the second apron wall, be located the round hole lower part is provided with the draw-in groove on the second apron wall.

Compared with the prior art, the utility model has the advantages of it is following: 1. the sliding plate is in sliding fit in the sliding way, and the fastener fixes the equipment on the roof through the opening, so that the structure is favorable for ensuring that a plurality of tools, such as a spanner or a screwdriver, can be used, and the installation is convenient; 2. the detector is clamped by the arc-shaped rod controlled by the lifting rod, so that the structure is beneficial to ensuring that the detector is convenient to mount and the work of the detector is not influenced; 3. the first cover plate and the second cover plate are respectively provided with the concave surface and the conical surface, so that water drops can flow down along the cover plates, and the structure is favorable for ensuring that the detector can be protected from water inflow and moisture regain; 4. through round hole and draw-in groove on the second apron, the favorable assurance of this structure can pass through the circular slot and the draw-in groove with the cable is fixed, and the waterproof pad of cooperation between cable and the circular slot can prevent that the water droplet from flowing into in the detector along with the cable.

Drawings

Fig. 1 is a general structural schematic diagram of a ventilation and water-proof device for a point type fire detector in the field of rail transit.

Fig. 2 is an exploded view of a ventilation and waterproof device for a point type fire detector in the field of rail transit.

Fig. 3 is a schematic view of a ventilation and waterproof device for a point type fire detector in the field of rail transit.

Fig. 4 is a schematic view of a clamping device of a ventilation and waterproof device for a point type fire detector in the field of rail transit.

Fig. 5 is a schematic view of the inside of a clamping device of a ventilation and waterproof device for a point type fire detector in the field of rail transit.

In the figure: 1. a first cover plate; 2. a second cover plate; 3. a mounting device; 4. a clamping device; 5. a slideway; 6. a slide plate; 7. an opening; 8. a sleeve; 9. a lifting rod; 10. a tension spring; 11. an arcuate bar; 12. a through hole; 13. a groove; 14. a baffle plate; 15. a column; 16. a circular block; 17. hooking; 18. a circular hole; 19. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the device comprises a first cover plate 1, a second cover plate 2 arranged at the bottom of the first cover plate 1, a mounting device 3 arranged at the top of the first cover plate 1, and a clamping device 4 arranged at the bottom of the second cover plate 2; the second cover plate 2 is fixedly connected to the bottom of the first cover plate 1; the mounting device 3 comprises a slideway 5 and a sliding plate 6; the middle part of the slide way 5 is fixedly connected to the top of the first cover plate 1, and the sliding plate 6 is in sliding fit in the slide way 5; the slideway 5 and the sliding plate 6 are provided with the same opening 7; the clamping device 4 comprises a sleeve 8, a lifting rod 9, a tension spring 10 and an arc-shaped rod 11; a through hole 12 is formed in the center of the first cover plate 1 and the second cover plate 2; the top end of the sleeve 8 penetrates through the through hole 12 and then is fixedly connected with the top of the first cover plate 1; the lifting rod 9 is in sliding fit in the sleeve 8; the tension spring 10 is arranged between the lifting rod 9 and the sleeve 8, one end of the tension spring 10 is connected to the top end of the sleeve 8, and the other end of the tension spring is connected to the lifting rod 9; a groove 13 is formed in the side face of the bottom of the lifting rod 9, a baffle 14 is arranged at the bottom of the sleeve 8, and a stand column 15 is arranged on the arc-shaped rod 11; the upright post 15 is connected with the baffle 14 in a rotating mode; one end of the arc-shaped rod 11 is provided with a circular block 16; the circular block 16 is arranged in the groove 13; the other end of the arc-shaped rod 11 is provided with a hook 17; symmetrical ripples are arranged on the inner wall of the slideway 5 and the sliding plate 6; the first cover plate 1 is arranged to be a concave surface; at least three arc-shaped rods 11 are arranged on the circumference of the baffle plate 14; the second cover plate 2 is arranged in a conical shape; the lifting rod 9 and the top end of the sleeve 8 are sealed by a sealing ring; the arc-shaped rod 11 and the hook 17 are sleeved with rubber sleeves; the wall of the second cover plate 2 is provided with a round hole 18, and a clamping groove 19 is arranged on the wall of the second cover plate 2 and positioned below the round hole 18.

When in use, according to the figures 1 to 5, the detector is firstly required to be placed in the equipment, and a cable of the detector is firstly threaded through a waterproof gasket; then penetrate into the round hole 18, install the waterproof gasket in the round hole 18, then clamp the cable in the neck 19, then after connecting the line, press down the lifter 9, the height of the lifter 9 is the same as that of the sleeve 8, seal with the seal ring between the top of the sleeve 8 and the lifter 9, and the top of the sleeve 8 is welded on the top of the through hole 12, so will not leak water, can also paste the waterproof adhesive tape on the top of the through hole 12, assist, press down the back extension spring 10, drive the round block 16 to rotate and slide in the groove 13, because the upright post 15 on the arc rod 11 rotates the shaft on the baffle 14, the lever principle, one end of the round block 16 descends, drive the other end to rotate and rise, then put the detector between four arc rods 11, then release the lifter 9, the extension spring 10 resets automatically, drive the lifter 9 to rotate and descend reversely, the hook 17 on the arc rod 11 locks the detector, because the tension spring 10 exerts force, the hook 17 can always clamp the detector, and rubber sleeves are sleeved on the hook 17 and the surface of the arc-shaped rod 11, so that the detector can be prevented from being rubbed; directly penetrate the screw in opening 7 when needs spanner operation, directly fasten self-tapping screw just can, but when needs screwdriver fastening, because the screwdriver needs the perpendicular to screw, but first apron 1 has restricted and has used the screwdriver, just need drag slide 6 and slide in slide 5, when exceeding first apron 1, just can put into opening 7 with the screw, fasten, ripple on slide 6 and the slide 5 can prevent to appear sliding after the fastening, can guarantee easy to assemble like this, first apron 1 and second apron 2 set up to concave surface and toper respectively, can guarantee to block the water droplet outside first apron 1 and second apron 2, prevent that the water droplet from getting into in the detector.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a ventilation watertight fittings that is used for type fire detector of track traffic field point, its characterized in that: comprises a first cover plate (1), a second cover plate (2) arranged at the bottom of the first cover plate (1), a mounting device (3) arranged at the top of the first cover plate (1) and a clamping device (4) arranged at the bottom of the second cover plate (2); the second cover plate (2) is fixedly connected to the bottom of the first cover plate (1); the mounting device (3) comprises a slideway (5) and a sliding plate (6); the middle part of the slide way (5) is fixedly connected to the top of the first cover plate (1), and the sliding plate (6) is in sliding fit in the slide way (5); the slideway (5) and the sliding plate (6) are provided with the same opening (7); the clamping device (4) comprises a sleeve (8), a lifting rod (9), a tension spring (10) and an arc-shaped rod (11); the centers of the first cover plate (1) and the second cover plate (2) are provided with through holes (12); the top end of the sleeve (8) penetrates through the through hole (12) and then is fixedly connected with the top of the first cover plate (1); the lifting rod (9) is in sliding fit in the sleeve (8); the tension spring (10) is arranged between the lifting rod (9) and the sleeve (8), one end of the tension spring (10) is connected to the top end of the sleeve (8), and the other end of the tension spring (10) is connected to the lifting rod (9); a groove (13) is formed in the side face of the bottom of the lifting rod (9), a baffle (14) is arranged at the bottom of the sleeve (8), and an upright post (15) is arranged on the arc-shaped rod (11); the upright post (15) is connected with the baffle (14) through a rotating shaft; one end of the arc-shaped rod (11) is provided with a round block (16); the circular block (16) is arranged in the groove (13); the other end of the arc-shaped rod (11) is provided with a hook (17).

2. The ventilation waterproof device for the point type fire detector in the rail transit field according to claim 1, wherein: symmetrical ripples are arranged on the inner wall of the slideway (5) and the sliding plate (6); the first cover plate (1) is concave.

3. The ventilation waterproof device for the point type fire detector in the rail transit field according to claim 1, wherein: at least three arc-shaped rods (11) are arranged on the circumference of the baffle (14); the second cover plate (2) is arranged to be conical.

4. The ventilation waterproof device for the point type fire detector in the rail transit field according to claim 1, wherein: the lifting rod (9) and the top end of the sleeve (8) are sealed by a sealing ring; the arc-shaped rod (11) and the hook (17) are sleeved with rubber sleeves.

5. The ventilation waterproof device for the point type fire detector in the rail transit field according to claim 1, wherein: the wall of the second cover plate (2) is provided with a round hole (18), and a clamping groove (19) is formed in the wall of the second cover plate (2) and located at the lower portion of the round hole (18).