CN215681049U - Junction box cover body locking device and electronic detonator junction box with same - Google Patents

Abstract

The utility model discloses a terminal box lid locking device and have its electronic detonator terminal box, including last lid and lower lid, at last lid or lid down on the butt joint edge, install respectively and be provided with a set of or a pair of post and the hasp piece of colluding that mutually supports, under the effect of holding pressure, the hasp piece slides down along the inclined plane extrusion and colludes the post, utilize plastics tension resilience attribute, make the hasp piece after having gone through the inclined plane, the landing is gone into in colluding the region on base outward, just in time about the lid edge accomplishes sealing contact, the hasp piece is colluded the post and is colluded the restriction displacement outward, thereby realize the buckle, lid about the hasp, the operation is convenient. And when the cover body mold is produced and processed, only the single mold process structure of cover body demolding is needed to be arranged, the tedious process link of manufacturing the slide block is omitted, the injection molding time of the left slide block and the right slide block is omitted, the time consumed by processing is shortened, and the processing cost is also saved.

Description

Junction box cover body locking device and electronic detonator junction box with same

Technical Field

The utility model relates to the field of junction box cover body locking devices and electronic detonator application accessories, in particular to a cover body locking device and an electronic detonator junction box with the same.

Background

The junction box is adopted to realize the connection between one group of wires and the other group of wires, a locking device for locking an upper cover and a lower cover of the junction box needs to be arranged, and the conventional locking device is provided with a locking structure which is vertically towards the direction of the cover body.

And there are mould structure complicacy and a great deal of problems such as the production is loaded down with trivial details, impractical to the locking device of perpendicular to lid direction hasp:

firstly, the mold structure is complicated, and because the latch hook of the latch device which latches in the direction perpendicular to the cover body vertically faces the cover body, the mold must be additionally provided with a slider structure for forming and demolding the latch hook, which results in the complicated mold structure and the increase of the mold cost;

secondly, the cover body can be demoulded only after the latch hook sliding block is demoulded in the injection molding production process, so that the injection molding production time is prolonged;

therefore, the existing wire limiting device is not practical at all.

SUMMERY OF THE UTILITY MODEL

For solving the deficiencies that the prior art exists, the inventor provides a butt joint hasp structure of installation in lid end outside setting up through research and development design now, and the hasp of lid and the operation of unblock hasp about can convenient and fast completion have also reduced the holistic mould manufacturing cost of lid and the manufacturing cost of moulding plastics, and is specific, the utility model realizes like this: the utility model provides a terminal box lid locking device and have its electron detonator terminal box, is used for the last lid and the lower lid of lock including being the longitudinal symmetry, and its characterized in that still includes: at least one group of mutually matched hooking columns and locking blocks are respectively arranged on the edges of the butt joint ends of the upper cover body or the lower cover body, corresponding protruding outer hooks are arranged on one side, in the same direction, of the locking blocks on the hooking columns, a section of inclined plane is arranged in the locking direction on the outer hooks, and after the upper cover body and the lower cover body are locked, the bottom surfaces of the outer hooks are in contact with the locking blocks to lock the upper cover body and the lower cover body.

Furthermore, collude the post and install on last lid, be two sets ofly, be located respectively and extend the distribution downwards on the lid end both sides, the hasp piece is two, installs respectively on upper and lower lid, and the distribution position corresponds with the position that colludes the post and corresponds for behind the hasp, the hasp piece all is located colludes the two outsides of post and colludes with colluding the outer contact locking that colludes on the post and be the hasp state about the lid.

Furthermore, collude post and hasp piece and be the injection molding, just the front end that colludes outward still extends and is equipped with one section handle post.

Furthermore, the shape of the mutual connection part of the lock catch block and the outer hook comprises a straight shape, an arc shape and an inclined opening shape which are matched with each other, and the outer hook is triangular or polygonal.

In another aspect of the utility model, the utility model also provides an electronic detonator junction box which is provided with the upper cover and the lower cover locking device.

The working principle of the utility model is introduced: based on the technical scheme of the utility model, when the upper cover body and the lower cover body are produced, the edge thickness can be kept the same, a complex process for arranging the sliding block is not needed, the product thickness and the production cost are reduced, meanwhile, the hook column and the lock catch block with a new structure are matched with each other, and the quick locking and fixing can be realized by utilizing the tension resilience property of plastics when the upper cover body and the lower cover body are locked and buckled. When lid about the hasp, collude the inclined plane on the post colludes outward at first with the contact of hasp piece, under the effect of pressing force, the hasp piece colludes the post along the inclined plane extrusion, collude the post and make the hasp piece after having accomplished the inclined plane after properly deforming, the landing is gone into and is colluded in the region of base outward, the sealed contact is accomplished to the lid edge about just in time, the hasp piece is colluded the post and colludes the restriction displacement outward, thereby realize buckle, lid about the hasp, let the terminal of blasting generating line and connecting leg line tightly link to each other, it is electrically conductive, and the operation is convenient. When needing the trip, press the handle post, inwards extrude simultaneously and collude the post, utilize plastics tension resilience attribute for the slippage in the restriction that the hasp piece colluded from outside, thereby the quick convenient trip of lid about realizing.

The utility model has the beneficial effects that: the butt joint or the unblock lock operation of completion that can convenient and fast improves the operation convenience of detonator network deployment in-process terminal box, shortens operating time, saves the time cost. Meanwhile, when the cover body mold is produced and processed, the upper cover body does not need to be specially produced to manufacture a sliding block structure, the thickness of the whole cover body can be reduced, and a process link of using the sliding block and pulling away the sliding block is not needed, so that the manufacturing and production cost of the whole mold of the cover body is reduced.

Drawings

FIG. 1: is a schematic view of a junction box structure

FIG. 2: for closing terminal box

FIG. 3: as a front view of the outlet from the leg wire

FIG. 4: is a cross-sectional view cut from the middle of the upper and lower cases

Wherein: the handle comprises an upper cover body 1, a lower cover body 2, a hook column 3, a lock catch block 4, an outer hook 5, an inclined plane 6 and a handle column 7.

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 further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary 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.

Example (b): the utility model provides a lower cover locking device and have its electron detonator terminal box, is including being upper cover body 1 and lower cover body 2 that the longitudinal symmetry is used for the lock, installs a set ofly or a pair of post 3 and the hasp piece 4 of colluding that mutually supports respectively on upper cover body 1 or lower cover body 2 butt joint end edge, collude and be equipped with corresponding outstanding outer colluding 5 on the one side that hasp piece 4 place direction is the same on the post 3, collude 5 outward and be equipped with one section inclined plane 6 in the lock joint direction, after upper and lower cover body 2 hasp, the bottom surface that colludes 5 outward contacts with hasp piece 4, the lock joint of cover body 2 about the locking. During the in-service use, collude inclined plane 6 on the post 3 colludes 5 outside at first with hasp piece 4 contact, under the effect of pressing force, hasp piece 4 colludes post 3 along the extrusion of inclined plane 6, collude the post 3 and make hasp piece 4 through having accomplished inclined plane 6 after properly deforming, the landing is gone into in the region of colluding 5 bases outward, sealed contact is accomplished at this moment in time to the upper and lower lid edge, hasp piece 4 is colluded post 3 and colludes 5 restriction displacements outward, thereby realize the buckle, lid 2 about the hasp, the operation is convenient.

Preferably, collude post 3 and install on last lid 1, be a pair of, be located respectively and extend the distribution downwards on lid end both sides, hasp piece 4 is two, installs respectively on lid 2 down, and the distribution position corresponds with the position that colludes post 3 and corresponds for behind the hasp, hasp piece 4 all is located collude post 3's two outsides and colludes 5 with colluding on the post 3 outward and contact the locking upper and lower lid and be the lock state. Collude post 3 and hasp piece 4 and be the injection molding, can produce processing alone, later stage and upper and lower lid 2 bond the installation again, just the front end that colludes 5 outward still extends and is equipped with one section handle post 7, sets up handle post 7, can press handle post 7 when needs trip, extrudees simultaneously inwards and colludes post 3 for slippage in the restriction that hasp piece 4 colluded 5 outward to lid 2's quick convenient trip about the realization.

Preferably, the locking block 4 is a square block or a rectangular block, the outer hook 5 is in a triangular shape, and the triangular structure forms a hook-shaped structure, so that the locking block is conveniently limited and clamped with the locking block 4. It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. 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 (6)

1. The utility model provides a terminal box lid locking device, is used for last lid (1) and lower lid (2) of lock including being the longitudinal symmetry, its characterized in that: at least one group of mutually matched hook columns (3) and locking blocks (4) are arranged on the outer frame edges of the butt joint ends of the upper cover body (1) or the lower cover body (2) respectively, the hook columns (3) are provided with corresponding protruding hook blocks (5) on one side of the locking blocks (4) in the same direction, the hook blocks (5) are provided with one section of inclined plane (6) in the locking direction, after the upper cover body and the lower cover body are locked, the bottom surface of the hook blocks (5) is contacted with the locking blocks (4), and the locking of the upper cover body and the lower cover body are locked.

2. The junction box cover body locking device according to claim 1, wherein the hook posts (3) are mounted on the upper cover body (1) in two groups, respectively located on two sides of the front end of the upper cover body (1) and extending downward, the two lock-catch blocks (4) are mounted on the lower cover body (2) respectively, and the distribution positions correspond to the positions corresponding to the hook posts (3), so that after locking, the lock-catch blocks (4) are located on two outer sides of the hook posts (3) and contact with the outer hooks (5) on the hook posts (3) to lock the upper and lower cover bodies in a locked state.

3. The junction box cover body locking device according to claim 1, wherein the hook column (3) and the locking block (4) are injection molded parts, and a section of handle column (7) is further extended from the front end of the outer hook (5).

4. The locking device of cover of junction box as claimed in claim 3, wherein the shape of the mutual connection part of the locking block (4) and the external hook (5) comprises one of a straight shape, an arc shape and an oblique mouth shape, which are matched with each other, and the external hook (5) is polygonal.

5. The junction box cover body locking device according to claim 4, wherein the hooking column (3) and the locking block (4) are injection molded parts.

6. An electronic detonator junction box characterized in that the junction box cover body locking device is as claimed in any one of claims 1 to 5.

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