CN210741277U - Automatic emergent explosion-proof case of lock falls - Google Patents

Abstract

The utility model discloses an automatic emergent explosion-proof case of lock that falls relates to explosion-proof case technical field, including box, case lid, lock body fitting piece, the box is equipped with the opening that makes progress, the case lid is rotationally connected the box to be configured into the lid and close or open the box the opening that makes progress, the lock body set up in the box or on the case lid, the lock body fitting piece with the lock body can liftoff cooperation, set up in corresponding the case lid or on the box, work as the case lid closes during the opening that makes progress, lock body and lock body fitting piece automatic locking close fit, be provided with disappointing hole on the box. Through the utility model discloses an implement, can realize the automatic function of locking that falls of emergent explosion-proof case effectively, simple structure moreover, the cost is lower, and the reliability is than higher, has very positive economic benefits and social.

Description

Automatic emergent explosion-proof case of lock falls

Technical Field

The utility model relates to an explosion-proof case technical field especially relates to an automatic emergent explosion-proof case of lock falls.

Background

Along with the increasing rampant terrorism activity, the anti-terrorist safety problem is more and more generally concerned, terrorists often carry out terrorist attack in the manner of arranging explosives in public places with dense people flows, such as airports, subways and the like, and therefore explosion-proof containers are gradually arranged in all public places.

An explosion-proof container is a professional instrument which can inhibit the killing effect of shock waves and fragments generated by ammunition and explosive substances on the surrounding environment. At present, most of the explosion-proof containers are explosion-proof boxes, explosion-proof tanks, explosion-proof fences, explosion-proof blankets, explosion-proof balls and the like. Most of existing explosion-proof boxes are open, when an explosive explodes in the explosion-proof boxes, shock waves and fragments generated by explosion can be ejected out of a tank opening in a fan shape or a horn shape, and the range of influence on the environment is large. Although some explosion-proof boxes are also provided with explosion-proof box covers, the explosion-proof box covers and the explosion-proof box bodies do not have the automatic locking function, manual locking is needed, certain rescue time is inevitably consumed in the process, and certain hidden dangers are increased for public safety.

Therefore, the technical personnel in the field are dedicated to develop an automatic locking emergency explosion-proof box, which can effectively realize the automatic locking function after the cover of the explosion-proof box is covered, and has the advantages of simple and reliable structure and low cost.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that how to make emergent explosion-proof tank have automatic locking function and simple structure, reliable.

In order to achieve the above object, the utility model provides an automatic emergent explosion-proof case of lock that falls, including box, case lid, lock body fitting piece, the box is equipped with the opening that makes progress, the case lid is rotationally connected the box to be configured to the lid and close or open the box the opening that makes progress, the lock body set up in the box or on the case lid, the lock body fitting piece with the lock body can liftoff cooperation, set up in corresponding the case lid or on the box, work as the case lid closes during the opening that makes progress, lock body and lock body fitting piece automatic locking close fit, be provided with disappointing hole on the box.

Further, the lock body includes a lock body support member, a movable member, and an elastic member, the lock body support member is configured to support the lock body, the movable member is movably mounted on the lock body support member, the elastic member is disposed between the lock body support member and the movable member, and the elastic member is configured to drive the movable member to move horizontally or rotate vertically.

Further, the moving part comprises a guide portion, a locking portion and a stopping portion, the lock body matching piece comprises a guide matching portion and a locking matching portion, the guide matching portion and the guide portion are matched to guide the locking portion to slide into the locking matching portion, and the stopping portion is configured to limit the horizontal movement or vertical rotation displacement of the moving part.

Optionally, the upper portion of the movable member is rotatably mounted on the lock body support member, a hook-shaped protrusion is disposed on the lower portion of the movable member, the guide portion is disposed on a bottom surface of the hook-shaped protrusion, and the locking portion is disposed on a top surface of the hook-shaped protrusion.

Further, the locking matching part and the locking part comprise a horizontal plane and/or an arc surface, and the central axis of the arc surface is overlapped with the rotating central axis of the movable part.

Further, the elastic component is a torsion spring, and the torsion spring is sleeved on the lock body supporting piece.

Optionally, the movable member is a rod-shaped member, one end of the movable member is horizontally slidably mounted in the lock body support member, the guide portion is disposed on the upper surface of the other end of the movable member, and the locking portion is disposed on the lower surface of the other end of the movable member.

Further, the lock body fitting piece is vertically and fixedly arranged on the box body or the box cover.

Further, the elastic component is a spiral spring, and the central axis of the spiral spring is axially overlapped with the central axis of the movable piece.

Further, the shape of the air leakage hole is circular, oval or polygonal.

Further, the box body is a straight prism or a cylinder, and the box body and the box cover are welded by adopting a single-layer or more than two-layer steel plate.

Further, the box still includes the callus on the sole, the callus on the sole is fixed to be set up the lower bottom surface of box.

Further, the case lid still includes the handle, the handle is installed in the upper surface of case lid.

Compared with the prior art, through the utility model discloses an implement, reached following obvious technological effect:

1. when the utility model is in an open state, explosion-proof personnel can quickly put explosives into the box body or put the explosives into the box body at a certain distance, thereby saving putting time; after the box cover is closed, the lock catch is quickly and automatically locked, locking and fixing time is saved, emergency response speed can be effectively improved, and safety risk is reduced;

2. the utility model adopts a lock catch structure without an external power source, has the advantages of simple structure, lower cost and high reliability, and has higher economical efficiency and safety;

3. the utility model discloses a high strength box structure and disappointing hole have improved the ability of resisting the explosion effectively.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a closed state axial schematic view of a preferred embodiment of the present invention;

FIG. 2 is an open state axial schematic view of a preferred embodiment of the present invention;

FIG. 3 is a disassembled view of the latch according to a preferred embodiment of the present invention;

fig. 4 is a schematic view of the locking mechanism of a preferred embodiment of the present invention;

fig. 5 is a schematic right view of a preferred embodiment of the present invention;

fig. 6 is a schematic front view of a preferred embodiment of the present invention;

fig. 7 is a schematic top view of a preferred embodiment of the present invention;

fig. 8 is a schematic bottom view of a preferred embodiment of the present invention;

fig. 9 is a side view of another preferred embodiment of the latch of the present invention.

Wherein: 1-box cover, 2-box body, 3-lock body, 4-baffle block, 5-handle, 6-air release hole, 7-foot pad, 8-hinge, 31-rotating shaft support, 32-rotating shaft, 33-torsion spring, 34-moving part, 341-swing arm, 342-stopping part, 343-lock hook, 3431-first horizontal plane, 3432-first arc surface and 41-second arc surface.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

In the description of the embodiments of the present application, it should be clear that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the described devices or elements must have specific orientations or positional relationships, i.e., cannot be construed as limiting the embodiments of the present application; furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to facilitate description or to simplify description, and do not indicate or imply importance.

Example 1:

as shown in fig. 1, fig. 2 and fig. 5, the embodiment provides an emergency explosion-proof box with an automatic lock falling function, which includes a box cover 1, a box body 2, a hinge 8, a lock body 3, and a lock body fitting piece, wherein the box body 2 is provided with an upward opening, the box body 2 is a right prism or a cylinder, the embodiment is preferably a rectangular parallelepiped, the box cover 1 is rotatably connected to the box body 2 and configured to cover or open the upward opening of the box body 2, specifically, the right side of the box cover 1 is fixedly connected to the upper portion of the right side of the box body 2 through the hinge 8, and the box cover 1 can rotate around the hinge 8 to open and cover the upward opening of the box body.

In order to conveniently throw explosives into the box body 2 from a certain distance and conveniently cover the box cover 1, as shown in fig. 2, when the box cover 1 is opened, the angle between the box cover 1 and the upper surface of the box body 2 is greater than or equal to 95 degrees and less than or equal to 120 degrees, in the embodiment, 120 degrees is preferred, as shown in fig. 1, when the box cover 1 is covered, the upward opening of the box body 2 is closed, so that the inner cavity of the box body 2 is a closed cavity; the lock body 3 sets up on 1 left side of case lid, and this embodiment lock body fitting piece is dog 4, and dog 4 sets up on the box 2 corresponding with lock body 3, and when 1 lid of case lid closed the upwards opening at box 2, lock body 3 and 4 automatic locking cooperations of dog.

Specifically, as shown in fig. 3 and 4, the lock body 3 includes a lock body support member, a movable member 34, and an elastic member, the lock body support member is used for fixing and supporting the lock body 3, in this embodiment, the lock body support member includes a rotating shaft support 31 and a rotating shaft 32, a rotating shaft through hole is formed in the rotating shaft support 31, the rotating shaft support 31 is fixedly disposed at the left side of the case cover 1, the rotating shaft support 31 includes a first rotating shaft support and a second rotating shaft support, the first rotating shaft support and the second rotating shaft support are disposed in pairs at intervals, and central axes of the rotating shaft through holes of the first rotating shaft support and the second rotating shaft support are overlapped; the movable element 34 includes a swing arm 341, a stop part 342, and a hook-shaped protrusion, the hook-shaped protrusion of the embodiment is a latch hook 343, the swing arm 341 is a rectangular parallelepiped member, the swing arm 341 is movably disposed between the first rotating shaft support and the second rotating shaft support, the upper parts of the front side and the back side of the swing arm 341 are fixedly provided with swing through holes, the swing through holes penetrate through the front side and the back side of the swing arm 341, and the central axis of the swing through holes is parallel to the right side of the swing arm 341; the rotating shaft 32 is a shaft-like member, the rotating shaft 32 is sequentially sleeved in the rotating shaft through hole of the first rotating shaft support, the swinging through hole and the rotating shaft through hole of the second rotating shaft support, and the rotating center line of the rotating shaft 32, the central axis of the rotating shaft through hole and the central axis of the swinging through hole are overlapped; a rotating pair is formed between the swing through hole and the rotating shaft 32 and/or between the rotating shaft through hole and the rotating shaft 32, preferably, a rotating pair is formed between the swing through hole and the rotating shaft 32 in the embodiment, the rotating shaft through hole is fixedly connected with the rotating shaft 32, a wear-resistant sliding sleeve is arranged between the swing through hole and the rotating shaft 32, and the wear-resistant sliding sleeve is made of copper alloy; the elastic element is configured to drive the movable piece 34 to rotate counterclockwise; the locking hook 343 is fixedly arranged at the lower end part of the right side surface of the swing arm 341, and guide parts are arranged on the lower surfaces of the locking hook 343 and the swing arm 341 and are chamfers continuously inclining to the upper right; the upper surface of the latch hook 343 is a locking portion. The stopping part 342 is fixedly arranged on the swing arm 341 between the swing through hole and the lock hook 343, the stopping part 342 is configured to limit the angular displacement of the counterclockwise rotation of the swing arm 341 so as to ensure that the movable element 34 and the stopper 4 have relative positions convenient for locking and matching, in this embodiment, the stopping part 342 is configured such that when the swing arm 341 rotates counterclockwise until the right side of the swing arm 341 is parallel to the left side of the case cover 1, the right side of the stopping part 342 contacts with the left side of the case cover 1, and the movable element 34 is prevented from continuing to rotate counterclockwise; the stop block 4 is fixedly arranged at the upper part of the left side of the box body 2. The stop block 4 comprises a guide matching part and a locking matching part, the guide matching part is arranged on the upper surface of the stop block 4, the locking matching part is arranged on the lower surface of the stop block 4, the guide matching part is a chamfer inclined to the lower left, and the chamfer of the guide matching part and the chamfer slope of the guide part are preferably the same in the embodiment; the locking part and the locking matching part are horizontal planes.

When the cover 1 is in the closed state, the locking portion is inserted into the locking engagement portion under the driving of the elastic element, and the upper surface of the locking hook 343 is located below the lower surface of the stopper 4.

In order to facilitate manual unlocking, the distance between the upper surface of the lock hook 343 and the lower surface of the stop block 4 is less than or equal to 5mm, and the track of clockwise rotation of the upper surface of the lock hook 343 by 45 degrees around the rotating shaft 32 does not intersect with the lower surface of the stop block 4 and the left side surface of the box body 2; in order to ensure that the lock body 3 and the stop block 4 are locked reliably after the box cover 1 and the box body 2 are closed, the track of clockwise rotation of the upper surface of the lock hook 343 by 10 degrees around the hinge 8 is intersected with the lower surface of the stop block 4.

As shown in fig. 3, the elastic element of the present embodiment is a torsion spring 33, the torsion spring 33 includes a torsion spring body, a first torsion arm, and a second torsion arm, the torsion spring body is sleeved on the rotation shaft 32, the first torsion arm contacts with the left side surface of the case cover 1, and the second torsion arm contacts with the right side surface of the swing arm 341.

As shown in fig. 1, the lateral surface of the box body 2 is provided with circular air release holes 6, the air release holes 6 on the lateral surface of the box body 2 are distributed in the circumferential direction of the box body 2, the air release holes 6 are preferably uniformly distributed in the circumferential direction in the embodiment, in order to reduce the influence of the high-pressure air of the box body 2 on the outside, the drift diameter of the air release holes 6 is greater than or equal to 1mm and less than or equal to 10mm, and the embodiment is preferably 5 mm;

the box cover 1 and the box body 2 are steel plate welding parts, single-layer steel plates are adopted, the thickness of each steel plate is more than or equal to 2.5mm, the weight and the transportation factor are comprehensively considered, the thickness of each steel plate is preferably 4mm, welding seams among the steel plates are continuous penetration welding seams, the welding seams are subjected to ultrasonic flaw detection, and the quality grade of the welding seams is not lower than the grade II in GB/T11345-2013.

The box body 2 further comprises foot pads 7 and a handle 5, the foot pads 7 are fixedly arranged on the lower bottom surface of the box body 2 and play a role in buffering and fixing, and the number of the foot pads 7 is 4; the handle 5 is installed on the upper top surface of case lid 1, is convenient for uncap and remove emergent explosion-proof case.

When the danger is touched, the locking latch can be easily unlocked by pressing the portion of the swing arm 341 above the rotating shaft 32.

Example 2:

on the basis of embodiment 1, the elastic element is a coil spring, one end of the coil spring is fixedly installed on the left side surface of the case cover 1, the other end of the coil spring is installed on the right side surface of the swing arm 341, when the coil spring is located above the rotating shaft 32, the coil spring is set to be always in a compression state, and when the elastic element of the emergency explosion-proof case is damaged and replaced by adopting the coil spring, the movable part 34 does not need to be removed.

Example 3:

on the basis of embodiment 1, as shown in fig. 9, the upper surface of the lock hook 343 includes a first horizontal surface 3431 and a first arc surface 3432, the left end of the first horizontal surface 3431 is connected to the right side surface of the swing arm 341, the right end of the first horizontal surface 3431 is connected to the left end of the first arc surface 3432, and the first arc surface 3432 is an arc surface centered on the rotation shaft 32; the lower surface of the stopper 4 includes a second arc surface 41, the second arc surface 41 is an arc surface that uses the rotating shaft 32 as a center, the second arc surface 41 and the first arc surface 3432 are arranged at equal intervals in the radial direction, the radius of the second arc surface 41 is smaller than or equal to the radius of the first arc surface 3432, and the radius of the second arc surface 41 is preferably smaller than the radius of the first arc surface 3432 by 2mm in this embodiment.

Example 4:

on the basis of embodiment 1, case lid 1 adopts the welding of individual layer steel sheet to form, the steel sheet thickness is 4mm, box 2 adopts the welding of double-deck steel sheet to form, inlayer steel sheet thickness is 2.5mm, outer steel sheet thickness is 1.5mm, be provided with the equidistance interval between inlayer steel sheet and the outside steel sheet, be provided with connection gusset between inlayer steel sheet and the outside steel sheet, inlayer steel sheet and outer steel sheet all are provided with the bleeder vent 6 of circumference distribution, in order to reduce the influence of 2 high-pressure gas of box to the external world, the central axis that is located two liang of adjacent bleeder vents 6 of outside steel sheet intersects and contained angle more than or equal to 30 less than or equal to 60, this embodiment.

Example 5:

on the basis of the embodiment 1, the box body 2 or the box cover 1 can be also provided with a fire-extinguishing substance injection interface, and sand or water can be placed at the bottom of the box body 2 in advance according to the particularity of an explosion-proof occasion.

Example 6:

on the basis of embodiment 1, the lock body supporting member is fixedly installed on the box body 2, the moving member 34 is a rod-shaped member, the present embodiment is preferably a cylinder, the left end of the moving member 34 is horizontally and slidably installed on the lock body supporting member, the moving member 34 and the lock body supporting member form a horizontal moving pair, the elastic member is a coil spring, the coil spring is sleeved on the left end of the moving member 34, one end of the coil spring is fixedly connected with the lock body supporting member, the other end of the coil spring is fixedly connected with the moving member 34, the coil spring works in a compression state, the coil spring drives the moving member 34 to horizontally move rightwards, the stopping portion 342 is fixedly arranged on the moving member 34, the stopping portion 342 limits the displacement of the moving member 34 moving horizontally rightwards, the guiding portion is arranged on the upper surface of the right end of the moving member 34, the locking portion is, the setting of direction cooperation portion is at lock body fitting piece lower surface, and locking cooperation portion is the round hole, and the diameter more than or equal to moving part 34 right-hand member of locking cooperation portion's diameter, locking cooperation portion are located lock body fitting piece lower part is when case lid 1 by the in-process that open state changes into the lid and closes the state, and the guide part contacts with direction cooperation portion, promotes moving part 34 and moves compression coil spring to the left, and when case lid 1 was in the lid and closes the state, moving part 34 was under coil spring's promotion, and the locking portion that promotes moving part 34 inserts in the locking cooperation portion, realizes automatic locking and fits.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (11)

1. The utility model provides an automatic emergent explosion-proof case of lock that falls, a serial communication port, including box, case lid, lock body fitting piece, the box is equipped with the opening that makes progress, the case lid rotationally connects the box to be configured to the lid and close or open the box opening that makes progress, the lock body set up in the box or on the case lid, the lock body fitting piece with the lock body cooperation that can liftoff sets up in corresponding the case lid or on the box, work as the case lid closes during the opening that makes progress, lock body and lock body fitting piece automatic locking close, be provided with disappointing hole on the box.

2. The emergency explosion-proof box of claim 1, wherein the lock body comprises a lock body support member, a movable member, and an elastic member, wherein the lock body support member is configured to support the lock body, the movable member is movably mounted on the lock body support member, the elastic member is disposed between the lock body support member and the movable member, and the elastic member is configured to drive the movable member to move horizontally or vertically.

3. An automatic-locking emergency explosion-proof box according to claim 2, wherein the movable member comprises a guiding portion, a locking portion and a stopping portion, the lock body matching member comprises a guiding matching portion and a locking matching portion, the guiding matching portion and the guiding portion are matched to guide the locking portion to slide into the locking matching portion, and the stopping portion is configured to limit the displacement of the movable member in horizontal movement or vertical rotation.

4. An automatic drop lock emergency explosion proof box according to claim 3, wherein the upper portion of the movable member is rotatably mounted to the lock body support member, the lower portion of the movable member is provided with a hook-shaped protrusion, the guide portion is provided on a bottom surface of the hook-shaped protrusion, and the locking portion is provided on a top surface of the hook-shaped protrusion.

5. An automatic drop lock emergency explosion-proof box according to claim 4, wherein the locking engagement portion and the locking portion comprise a horizontal surface and/or an arc surface, and a central axis of the arc surface coincides with a central axis of rotation of the movable member.

6. The emergency explosion-proof box of claim 4 wherein the resilient member is a torsion spring which is fitted over the lock body support member.

7. An automatic drop lock emergency explosion proof box according to claim 3, wherein said movable member is a rod-like member, one end of said movable member is horizontally slidably installed in said lock body supporting member, said guide portion is provided on an upper surface of the other end of said movable member, and said locking portion is provided on a lower surface of the other end of said movable member.

8. An automatic drop lock emergency explosion proof tank as claimed in claim 7, wherein said lock body fitting member is vertically and fixedly provided on said tank body or said tank cover.

9. An automatically locking emergency explosion proof case according to claim 7, wherein said elastic member is a coil spring, and a central axis of said coil spring axially coincides with a central axis of said movable member.

10. An automatic-drop-lock emergency explosion-proof tank as claimed in any one of claims 1 to 9, wherein the shape of the air-escape hole is circular, oval or polygonal.

11. An automatic-locking emergency explosion-proof box according to claim 10, wherein the box body is formed by welding more than two layers of steel plates.

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