CN218824675U - Explosion-proof shell of laser range finder - Google Patents

Abstract

The utility model discloses a laser rangefinder's explosion-proof casing relates to explosion-proof technical field, including explosion-proof casing main part and protective structure, its characterized in that: the range finder main body is installed to the inboard of explosion-proof housing main body, and the outer wall of explosion-proof housing main body is fixed with the temperature measurement paper, set up the thread groove in the explosion-proof housing main body. The utility model discloses an inlet pipe that sets up, sealed lid, first storage tube and second storage tube, the dry powder that will put out a fire the use pours first storage tube into respectively through two inlet pipes, in the second storage tube, fill the back in the powder futilely, then pass through screw thread and inlet pipe sealing connection with two sealed lids, thereby make the dry powder fix at first storage tube, store in the second storage tube, when explosion-proof casing main part explosion is broken, first storage tube, the dry powder in the second storage tube scatters thereupon, cover in the distancer main part, thereby realize putting out a fire to the distancer main part.

Description

Explosion-proof shell of laser range finder

Technical Field

The utility model relates to an explosion-proof technical field specifically is a laser rangefinder's explosion-proof casing.

Background

The explosion-proof laser range finder is an instrument for accurately measuring the distance of a target by using laser, emits a thin laser beam to the target during operation, receives the laser beam reflected by the target by a photoelectric element, measures the time from the emission to the reception of the laser beam by a timer, and calculates the distance from an observer to the target.

Patent document with publication number CN109061604U of prior art provides an explosion-proof housing of laser range finder, can keep apart laser range finder and actual working environment, in order to avoid when actual working environment becomes inflammable and explosive environment, laser range finder becomes potential dangerous ignition source, but CN 109061604U's patent is when using, can't in time dispel the heat under the explosion-proof housing high temperature condition, make on the laser range finder high temperature state, the incidence of explosion is higher, need an explosion-proof housing of laser range finder for this reason urgently.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a laser range finder's explosion-proof casing to solve unable timely heat dissipation under the current explosion-proof casing high temperature condition, make on the laser range finder high temperature state, the emergence rate of explosion is higher, current explosion-proof casing can't in time handle the problem that explosion-proof casing and distancer can't closely laminate to the intensity of a fire when exploding.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laser rangefinder's explosion-proof casing, includes explosion-proof casing main part and protective structure, its characterized in that: the range finder main body is installed to the inboard of explosion-proof housing main body, and the outer wall of explosion-proof housing main body is fixed with the temperature measurement paper, set up the thread groove in the explosion-proof housing main body.

The explosion-proof shell comprises an explosion-proof shell body and is characterized in that a heat dissipation groove is formed in the inner side of the explosion-proof shell body, a filter screen is fixed to the inner wall of the heat dissipation groove, sliding blocks are formed in two sides of the heat dissipation groove, a sliding groove is clamped in the inner side of each sliding block, a sealing plate is arranged at the front end of the sliding groove, a movable groove is formed in the inner side of the sealing plate, a first spring is fixed to the inner wall of the movable groove, a push-pull plate is welded to the right side of the first spring, an insertion rod is fixed to the bottom end of the push-pull plate, a positioning plate is welded to the outer wall of the explosion-proof shell body, and a positioning groove is formed in the inner side of the positioning plate.

The inner side of the thread groove is movably connected with a screw, the end part of the screw is fixedly provided with a damping air cushion, the inner wall of the explosion-proof shell body is fixedly provided with a second spring, the end part of the second spring is welded with a heat insulation plate, and the inner side of the heat insulation plate is provided with a heat insulation bin.

Preferably, protective structure includes inlet pipe, sealed lid, first memotron and second memotron, and the top of explosion-proof housing main part is fixed with the inlet pipe, the outside swing joint of inlet pipe has sealed lid, and the bottom of inlet pipe is connected with first memotron, the front end activity of first memotron is provided with the second memotron.

Preferably, first storage tube, second storage tube coil in the inside of explosion-proof housing body, sealed lid passes through screw thread swing joint with the inlet pipe, the tip of first storage tube and second storage tube all is connected with the inlet pipe.

Preferably, the filter screen is fixed on the inner wall of radiating groove, the sealing plate passes through slider, spout swing joint with explosion-proof housing main part, the quantity of locating plate is two.

Preferably, the sealing plate is fixedly connected with the positioning plate through an inserted link and a positioning groove, a limiting groove matched with the inserted link is formed in the inner side of the sealing plate, the push-pull plates are movably connected with the movable groove through a first spring, and the number of the push-pull plates is two.

Preferably, the screw rod is movably connected with the thread groove through threads, the end part of the shock absorption air cushion is attached to the second spring, and the heat insulation plate is fixedly connected with the explosion-proof shell body through the second spring.

Preferably, the number of the screws is two, cooling water is arranged inside the heat insulation bin, and the shock absorption air cushion is fixedly connected with the screws through glue.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an inlet pipe, sealed lid, first storage tube and second storage tube that set up, the dry powder that will put out a fire the use pours into first storage tube, second storage tube respectively into through two inlet pipes, after the powder is filled up, then pass through screw thread and inlet pipe sealing connection with two sealed lids, thereby make the dry powder fix and store in first storage tube, second storage tube, when explosion-proof casing main part explosion is broken, the dry powder in first storage tube, the second storage tube scatters thereupon, cover in the distancer main part, thereby realize putting out a fire to the distancer main part;

2. the utility model discloses a temperature measurement paper that sets up, the push-and-pull board, the closing plate, radiating groove and inserted bar, when producing high temperature in the distancer main part use, high temperature transmits to explosion-proof housing main part, the temperature measurement paper of explosion-proof housing main part outer wall receives the temperature after, show through different colours, so that the user in time discovers, then push two push-and-pull boards to the inboard simultaneously, the first spring that the push-and-pull board extrudees the outer wall removes, the push-and-pull board drives the inserted bar of bottom to take out from the constant head tank of locating plate inboard during the removal, make the closing plate separate with the locating plate, can promote the closing plate to shift up this moment, make the radiating groove expose, adjust the exposure area of radiating groove, and then adjustable radiating speed, after the closing plate is adjusted, then loosen two push-and-pull boards, the push-and-pull board rebounds original position under the support of first spring, and in the constant head tank of corresponding position on the locating plate is inserted to the drive inserted bar, make the closing plate and fixed with the locating plate, then the closing plate is fixed with the locating plate, then the heat dissipation of explosion-proof housing main part is accomplished;

3. the utility model discloses a set up, with distancer main part block in the inboard of explosion-proof casing main part, and the laminating is inboard at two heat insulating boards, at this moment with screw rod and the inboard thread groove swing joint of explosion-proof casing main part, and when rotating, the shock attenuation air cushion of screw tip is gradually to the heat insulating board contact, and after the contact, promote the tensile second spring of heat insulating board and remove, make heat insulating board and the inseparable laminating of distancer main part outer wall, thereby under the centre gripping of heat insulating board and screw rod, explosion-proof casing main part and distancer main part fixed connection, because be provided with the cooling water in the inside thermal-insulated storehouse of heat insulating board, make the heat insulating board can prevent that the temperature in the explosion-proof casing main part from propagating again and leading to the distancer main part.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the heat sink of the present invention;

fig. 4 is a schematic view of a push-pull plate according to the present invention;

fig. 5 is an enlarged schematic view of a in fig. 4 according to the present invention;

FIG. 6 is a schematic view of the top-cut structure of the present invention;

FIG. 7 is a schematic view of a first storage tube of the present invention;

fig. 8 is a schematic view of the heat insulation board of the present invention.

In the figure: 1. an explosion-proof housing body; 2. a rangefinder body; 3. a protective structure; 301. a feed pipe; 302. a sealing cover; 303. a first storage tube; 304. a second storage tube; 4. temperature measuring paper; 5. a heat sink; 6. a filter screen; 7. a slider; 8. a chute; 9. a sealing plate; 10. a movable groove; 11. a first spring; 12. a push-pull plate; 13. inserting a rod; 14. positioning a groove; 15. positioning a plate; 16. a screw; 17. a thread groove; 18. a shock-absorbing air cushion; 19. a second spring; 20. a heat insulation plate; 21. a heat insulation bin.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-5, an explosion-proof housing of a laser range finder includes an explosion-proof housing main body 1 and a protection structure 3, and is characterized in that: the distance measuring instrument main body 2 is installed on the inner side of the explosion-proof shell main body 1, temperature measuring paper 4 is fixed on the outer wall of the explosion-proof shell main body 1, a threaded groove 17 is formed in the explosion-proof shell main body 1, the protective structure 3 comprises a feeding pipe 301, a sealing cover 302, a first storage pipe 303 and a second storage pipe 304, the feeding pipe 301 is fixed at the top end of the explosion-proof shell main body 1, the sealing cover 302 is movably connected to the outer side of the feeding pipe 301, the first storage pipe 303 is connected to the bottom end of the feeding pipe 301, the second storage pipe 304 is movably arranged at the front end of the first storage pipe 303, the first storage pipe 303 and the second storage pipe 304 are coiled inside the explosion-proof shell main body 1, the sealing cover 302 is movably connected with the feeding pipe 301 through threads, the feeding pipe 301 is connected to the end portions of the first storage pipe 303 and the second storage pipe 304, dry powder used for fire extinguishing is poured into the first storage pipe 303 and the second storage pipe 304 through the two feeding pipes 301, after the powder is dried, the dry powder is poured into the first storage pipe 304 and the second storage pipe 304, the storage pipe 303 is fully filled with the explosion-proof shell main body, and the distance measuring instrument main body 2 is accordingly, and the distance measuring instrument main body is accordingly scattered.

Referring to fig. 1 and 6-7, an explosion-proof housing of a laser range finder is provided, wherein a heat dissipation groove 5 is formed in an inner side of an explosion-proof housing main body 1, a filter screen 6 is fixed on an inner wall of the heat dissipation groove 5, sliders 7 are formed on two sides of the heat dissipation groove 5, a sliding groove 8 is clamped on an inner side of each slider 7, a sealing plate 9 is arranged at a front end of each sliding groove 8, a movable groove 10 is formed in an inner side of each sealing plate 9, a first spring 11 is fixed on an inner wall of each movable groove 10, a push-pull plate 12 is welded on a right side of each first spring 11, an insertion rod 13 is fixed at a bottom end of each push-pull plate 12, a positioning plate 15 is welded on an outer wall of the explosion-proof housing main body 1, a positioning groove 14 is formed in an inner side of each positioning plate 15, the filter screen 6 is fixed on an inner wall of the heat dissipation groove 5, the sealing plates 9 are movably connected with the explosion-proof housing main body 1 through the sliders 7 and the sliding grooves 8, the positioning plates 15 are two, the sealing plates 9 and the positioning plates 15 are fixedly connected through the insertion rods 13 and the positioning grooves 14, the inner side of the sealing plate 9 is provided with a limiting groove matched with the inserting rod 13, the push-pull plates 12 are movably connected with the movable groove 10 through the first spring 11, the number of the push-pull plates 12 is two, when high temperature is generated in the use process of the range finder main body 2, the high temperature is transmitted to the explosion-proof shell main body 1, after the temperature measuring paper 4 on the outer wall of the explosion-proof shell main body 1 senses the temperature, the temperature is displayed through different colors so as to be conveniently found by a user in time, then the two push-pull plates 12 are simultaneously pushed inwards, the push-pull plates 12 extrude the first spring 11 on the outer wall to move, when moving, the push-pull plates 12 drive the inserting rod 13 at the bottom end to be drawn out from the positioning groove 14 on the inner side of the positioning plate 15, the sealing plate 9 is separated from the positioning plate 15, at the moment, the sealing plate 9 can be pushed upwards to expose the heat dissipation groove 5, the exposed area of the heat dissipation groove 5 is adjusted, and the heat dissipation speed can be adjusted, after the sealing plate 9 is adjusted, the two push-pull plates 12 are loosened, the push-pull plates 12 rebound to the original positions under the support of the first springs 11, and the driving inserted rods 13 are inserted into the positioning grooves 14 at the corresponding positions on the positioning plate 15, so that the sealing plate 9 and the positioning plate 15 are fixed, and the heat dissipation of the explosion-proof shell body 1 is completed.

Referring to fig. 6 and 8, an explosion-proof housing of a laser range finder is disclosed, wherein a screw 16 is movably connected to the inner side of a threaded groove 17, a shock-absorbing air cushion 18 is fixed to the end portion of the screw 16, a second spring 19 is fixed to the inner wall of an explosion-proof housing body 1, a heat-insulating plate 20 is welded to the end portion of the second spring 19, a heat-insulating chamber 21 is arranged on the inner side of the heat-insulating plate 20, the screw 16 is movably connected to the threaded groove 17 through threads, the end portion of the shock-absorbing air cushion 18 is attached to the second spring 19, the heat-insulating plate 20 is fixedly connected to the explosion-proof housing body 1 through the second spring 19, the number of the screws 16 is two, cooling water is arranged inside the heat-insulating chamber 21, the shock-absorbing air cushion 18 is fixedly connected to the screw 16 through glue, the range finder body 2 is clamped to the inner side of the explosion-proof housing body 1 and attached to the inner sides of the two heat-insulating plates 20, the screw 16 is movably connected to the threaded groove 17 on the inner side of the explosion-proof housing body 1, and when the screws 16 rotate, the shock-absorbing air cushion 18 on the end portion of the screw 16 gradually contacts the heat-insulating plate 20, and after the heat-insulating plate, the heat-insulating plate 20 is pushed to move, the heat-insulating plate 20, so that the heat-insulating plate 20 is tightly attached to the explosion-insulating plate 20, the explosion-proof housing body 2, the heat-insulating plate 20 is tightly attached to prevent the heat-insulating housing body 2, and the heat-insulating plate 20, and the heat-insulating housing body 2 is fixed to prevent the heat-insulating plate 1, and the heat-insulating plate 2, and the heat-insulating plate 1, and the heat-insulating plate 2 is fixed to prevent the heat-insulating plate.

The working principle is as follows: when in use, the distance measuring instrument main body 2 is clamped at the inner side of the explosion-proof shell main body 1 and is attached to the inner sides of the two heat insulation plates 20, at the moment, the screw 16 is movably connected with the thread groove 17 at the inner side of the explosion-proof shell main body 1, and when in connection, the shock absorption air cushion 18 at the end part of the screw 16 gradually contacts the heat insulation plates 20 and pushes the heat insulation plates 20 to stretch the second spring 19 to move so that the heat insulation plates 20 are closely attached to the outer wall of the distance measuring instrument main body 2, so that the explosion-proof shell main body 1 is fixedly connected with the distance measuring instrument main body 2 under the clamping of the heat insulation plates 20 and the screw 16, as the cooling water is arranged in the heat insulation cabin 21 in the heat insulation plates 20, the distance measuring instrument main body 2 can be prevented from temperature retransmission on the explosion-proof shell main body 1, dry powder for fire extinguishing is respectively poured into the first storage pipe 303 and the second storage pipe 304 through the two feeding pipes 301, after the dry powder is fully filled, the two sealing covers 302 are connected with the feeding pipe 301 in a sealing manner through threads, so that dry powder is fixed in the first storage pipe 303 and the second storage pipe 304 for storage, when the explosion-proof shell body 1 explodes and breaks, the dry powder in the first storage pipe 303 and the second storage pipe 304 is scattered along with the dry powder and covers the distance measuring instrument body 2, so as to realize fire extinguishing of the distance measuring instrument body 2, when high temperature is generated in the use process of the distance measuring instrument body 2, the high temperature is transmitted to the explosion-proof shell body 1, after temperature measuring paper 4 on the outer wall of the explosion-proof shell body 1 senses the temperature, the temperature is displayed through different colors so that a user can find the temperature in time, then the two push-pull plates 12 are simultaneously pushed inwards, the push-pull plates 12 extrude the first springs 11 on the outer wall to move, when moving, the push-pull plates 12 drive the insertion rods 13 at the bottom ends to be drawn out from the positioning grooves 14 on the inner side of the positioning plate 15, so that the sealing plates 9 are separated from the positioning plate 15, at this time, the sealing plate 9 can be pushed to move upwards to expose the heat dissipation groove 5, the exposed area of the heat dissipation groove 5 is adjusted, and the heat dissipation speed can be adjusted, after the sealing plate 9 is adjusted, the two push-pull plates 12 are loosened, the push-pull plates 12 rebound to the original positions under the support of the first springs 11, the push-pull plates 13 are driven to be inserted into the positioning grooves 14 in the corresponding positions on the positioning plate 15, the sealing plate 9 and the positioning plate 15 are fixed, and the heat dissipation of the explosion-proof housing main body 1 is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a laser rangefinder's explosion-proof casing, includes explosion-proof casing main part (1) and protective structure (3), its characterized in that: a distance meter main body (2) is installed on the inner side of the explosion-proof shell main body (1), temperature measuring paper (4) is fixed on the outer wall of the explosion-proof shell main body (1), and a threaded groove (17) is formed in the explosion-proof shell main body (1);

the anti-explosion shell comprises an anti-explosion shell body (1), and is characterized in that a heat dissipation groove (5) is formed in the inner side of the anti-explosion shell body (1), a filter screen (6) is fixed on the inner wall of the heat dissipation groove (5), sliding blocks (7) are formed in two sides of the heat dissipation groove (5), a sliding groove (8) is clamped in the inner side of each sliding block (7), a sealing plate (9) is arranged at the front end of each sliding groove (8), a movable groove (10) is formed in the inner side of each sealing plate (9), a first spring (11) is fixed on the inner wall of each movable groove (10), a push-pull plate (12) is welded on the right side of each first spring (11), an insertion rod (13) is fixed at the bottom end of each push-pull plate (12), a positioning plate (15) is welded on the outer wall of the anti-explosion shell body (1), and a positioning groove (14) is formed in the inner side of each positioning plate (15);

the inboard swing joint of thread groove (17) has screw rod (16), the end fixing of screw rod (16) has shock attenuation air cushion (18), the inner wall of explosion-proof housing main part (1) is fixed with second spring (19), the tip welding of second spring (19) has heat insulating board (20), the inboard of heat insulating board (20) is provided with heat insulating storehouse (21).

2. An explosion-proof housing of a laser range finder as claimed in claim 1, wherein: protective structure (3) include inlet pipe (301), sealed lid (302), first storage tube (303) and second storage tube (304), and the top of explosion-proof housing main part (1) is fixed with inlet pipe (301), the outside swing joint of inlet pipe (301) has sealed lid (302), and the bottom of inlet pipe (301) is connected with first storage tube (303), the front end activity of first storage tube (303) is provided with second storage tube (304).

3. The explosion-proof housing of a laser range finder as claimed in claim 2, wherein: first storage tube (303), second storage tube (304) coil in the inside of explosion-proof casing main part (1), sealed lid (302) pass through screw thread swing joint with inlet pipe (301), the tip of first storage tube (303) and second storage tube (304) all is connected with inlet pipe (301).

4. The explosion-proof housing of a laser range finder as claimed in claim 1, wherein: the filter screen (6) is fixed on the inner wall of the heat dissipation groove (5), the sealing plate (9) is movably connected with the explosion-proof shell body (1) through a sliding block (7) and a sliding groove (8), and the number of the positioning plates (15) is two.

5. An explosion-proof housing of a laser range finder as claimed in claim 1, wherein: the sealing plate (9) and the positioning plate (15) are fixedly connected through an inserted bar (13) and a positioning groove (14), a limiting groove matched with the inserted bar (13) is formed in the inner side of the sealing plate (9), the push-pull plate (12) and the movable groove (10) are movably connected through a first spring (11), and the number of the push-pull plates (12) is two.

6. An explosion-proof housing of a laser range finder as claimed in claim 1, wherein: the screw rod (16) is movably connected with the thread groove (17) through threads, the end part of the shock absorption air cushion (18) is attached to the second spring (19), and the heat insulation plate (20) is fixedly connected with the explosion-proof shell body (1) through the second spring (19).

7. An explosion-proof housing of a laser range finder as claimed in claim 1, wherein: the number of the screws (16) is two, cooling water is arranged in the heat insulation bin (21), and the shock absorption air cushion (18) is fixedly connected with the screws (16) through glue.

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