Safety protection box with spring lock catch
Technical Field
The utility model relates to the field of box bodies, in particular to a safety protection box with a spring lock catch.
Background
When people go on a business trip, travel, photograph or investigate and the like, articles such as articles for daily use, entertainment tools, electronic instruments or mechanical equipment and the like need to be carried, the articles are usually placed in the box to be convenient to carry, and the box buckle is mainly used for locking various box bodies to ensure that the articles cannot fall off easily. The existing box buckle structure mainly comprises a hinge and a lock catch, wherein the lock catch is fixedly arranged on a box body or a box cover through the hinge, and then the box cover or the box body on the other side is buckled with the corresponding lock groove through the turned lock catch and is mutually extruded and buckled together after being deformed. The box buckle with the structure has the defects that the opening and the buckling are realized by external force, and the box buckle without the self-locking structure is easy to separate automatically in collision and drop objects.
The utility model discloses a chinese utility model patent that bulletin number is CN207242431U discloses a safety protection case spring catch, including the buckle, the buckle include with case lid box wall articulated base plate, the through-hole has been seted up to the face of base plate and has been used for holding the slider, the pothook has been arranged on the inboard surface of slider, the through-hole in arranged spacing guide arm and the slider constitution sliding fit, slider and through-hole between be equipped with canceling release mechanical system, pothook and case lid separation or constitution inlay card cooperation under canceling release mechanical system's effect. The slide block is arranged in the through hole, the slide block and the limiting guide rod form limiting sliding fit, the reset mechanism is arranged between the slide block and the inner wall of the through hole, the clamping hook on the slide block is in a separation state relative to the box wall/box cover when the lock catch is unlocked, the base plate is rotated at the moment to enable the clamping hook and the box wall/box cover to form clamping and embedding fit, the clamping hook is enabled to be clamped and embedded on the box wall/box cover all the time under the effect of the reset mechanism, and the clamping hook can be separated from the box wall/box cover by pushing the slide block when the lock catch is opened.
However, the spring lock catch locks the box body and the box wall, and the lock catch assembly is not provided with an effective locking structure, so that the spring lock catch is likely to slide due to inertia effect when in a special state, such as severe jumping, so that the spring lock catch is opened, and the box body and the box wall cannot be effectively locked.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a safety protection box with a spring lock catch, wherein a limit position is arranged in a lock catch assembly, so that the lock catch assembly is prevented from being unlocked automatically in an unstable environment.
A safety protection box with a spring lock catch comprises a box cover and a box body which are rotationally connected, wherein a lock catch assembly is arranged between the box cover and the box body and used for locking the box cover and the box body; the lock catch assembly comprises a buckle plate, a sliding hook is movably arranged on the buckle plate, and a limiting mechanism is arranged between the sliding hook and the buckle plate to enable the sliding hook to slide downwards.
Through adopting above-mentioned technical scheme, set up stop gear in the hasp subassembly, will slide to collude and carry on spacingly through another part, make and slide to collude also can be through spacing and unable gliding in unstable environment, avoid unexpected unblanking.
The technical scheme is further set as follows: the limiting mechanism comprises a locking block which is arranged in the pinch plate in a sliding mode, the locking block is located below the sliding hook, a limiting protrusion is arranged on the locking block, and an open locking groove corresponding to the limiting protrusion is formed in the sliding hook; when the lock is in a locking state, the limiting protrusion is positioned below the sliding hook to support the sliding hook, and the sliding hook cannot slide downwards to unlock; when the lock is in an unlocking state, the limiting protrusion slides to the position below the unlocking groove, the sliding hook slides downwards, and the limiting protrusion is inserted into the unlocking groove.
By adopting the technical scheme, the lower end face of the sliding hook is provided with the locking area and the unlocking area, the unlocking area is an unlocking groove, the area without the unlocking groove on the lower end face is the locking area, when the limiting protrusion is positioned below the locking area, the sliding hook is propped against, the sliding hook cannot slide downwards, namely, the locking assembly cannot be unlocked; when spacing protruding below that is located the groove of locktaking out, spacing protruding cooperation of pegging graft can be carried out with the groove of locktaking out, and the cunning colludes and does not have spacingly when gliding, promptly, and the hasp subassembly can carry out the operation of unblanking.
The technical scheme is further set as follows: the locking piece comprises a bottom plate and a vertical plate which are arranged in an L shape, the limiting protrusions are connected between the bottom plate and the vertical plate, and the end face of the outer side of the vertical plate is provided with a shifting block.
The technical scheme is further set as follows: the buckle plate is provided with a shifting groove capable of containing the shifting block, and the shifting block extends out of the shifting groove and can slide in the shifting groove.
Through adopting above-mentioned technical scheme, the user stirs the shifting block manually, sets up the locking piece and removes locking position or unlocking position.
The technical scheme is further set as follows: the buckle plate is characterized in that a sliding groove capable of accommodating the sliding hook is formed in the end face of the inner side of the buckle plate, a limiting guide rod is arranged in the sliding groove and is in sliding fit with the sliding hook, and a reset mechanism is arranged on the limiting guide rod.
Through adopting above-mentioned technical scheme, carry on spacingly to the sliding hook through spacing guide arm, make the sliding hook only can carry out the slip from top to bottom along spacing guide arm.
The technical scheme is further set as follows: the bottom plate of the locking block is provided with a straight groove, the limiting guide rod penetrates through the straight groove, and the locking block can slide in the horizontal direction under the guiding action of the limiting guide rod.
Through adopting above-mentioned technical scheme, carry on spacingly through the connection of spacing slide bar and straight flute to the locking piece, make the locking piece only can carry out horizontal migration within a certain limit.
The technical scheme is further set as follows: the reset mechanism is a reset spring, the lower end of the reset spring is abutted against the lower end face of the sliding groove, and the upper end of the reset spring is abutted against the lower end face of the sliding hook to jack the sliding hook.
Through adopting above-mentioned technical scheme, when the smooth hook does not receive the exogenic action, reset spring will slide and collude jack-up, make the smooth hook reply initial locking state.
The technical scheme is further set as follows: the outside surface of slip colluding is equipped with convex group handle, be equipped with on the buckle and hold group handle and carry out gliding fluting from top to bottom.
Through adopting above-mentioned technical scheme, this practical can be through exerting pressure to the shifting handle, make the slip hook gliding or shift up.
The technical scheme is further set as follows: the buckle plate is connected to the side wall of the box cover in a pin mode, and the sliding hook hooks the side wall of the box body.
The technical scheme is further set as follows: the buckle plate is connected to the side wall of the box body in a pin mode, and the sliding hook hooks the side wall of the box cover.
The utility model has the beneficial effects that: adopt new mechanical structure, set up limit structure in the hasp subassembly, it is spacing to collude to the cunning, need carry out the unblock when the cunning colludes in the locking state and just can remove and unblank, avoids colluding because inertia effect removes and leads to unexpected unblanking at unstable environment, increases the reliability of hasp subassembly.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present invention.
Fig. 2 is an exploded view of the locking assembly.
Fig. 3 is a schematic structural diagram of the lock block.
Fig. 4 is a schematic view of the latch assembly in a locked state.
Fig. 5 is a structural schematic view of the strike assembly in an unlocked condition.
The attached drawings are marked with: 1. a box cover; 2. a box body; 3. buckling the plate; 4. sliding hooks; 5. a locking block; 501. a limiting protrusion; 401. unlocking the lock groove; 502. shifting blocks; 503. a base plate; 504. a vertical plate; 301. a groove is poked; 302. a chute; 6. a limiting guide rod; 7. a reset mechanism; 505. a straight groove; 402. a handle; 303. grooving; 8. a pin rod.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1
As shown in figure 1, the utility model provides a safety protection box with a spring lock catch, which comprises a box cover 1 and a box body 2 which are rotatably connected, wherein one side of the box cover 1 is in pin joint with the box body 2, and the other side of the box cover 1 can be opened or closed relative to the box body 2. The box cover 1 is provided with a lock catch assembly, and the box cover 1 and the box body 2 are locked. The hasp subassembly includes to rotate buckle 3 of connection on case lid 1 through pin rod 8, is equipped with on the inner wall of buckle 3 and can holds smooth 4 gliding spouts 302 about going on that collude, is equipped with spacing guide arm 6 in the spout 302, and spacing guide arm 6 wears to establish in smooth 4 colluding to with smooth 4 sliding fit that collude, make smooth 4 colluding can slide about following spacing guide arm 6. The lower terminal surface of spout 302 and smooth 4 between colluding be equipped with canceling release mechanical system 7, after smooth 4 gliding of colluding unblanks, the user is loose hand, and smooth 4 of colluding does not receive the exogenic action, upwards bounces under canceling release mechanical system 7's effect and resets.
The hook part of the sliding hook 4 hooks the hook groove on the side wall of the box body 2 upwards, and the box cover 1 and the box body 2 are locked and cannot be opened; the sliding hook 4 is pressed downwards, so that the hook part is separated from the hook groove on the box body 2, and the box cover 1 can be opened relative to the box body 2.
The outer side surface of the sliding hook 4 is provided with a convex shifting handle 402, the buckle plate 3 is provided with a slot 303 capable of accommodating the shifting handle 402 to slide up and down, and the slot 303 is communicated with the sliding groove 302. The lever 402 is exposed in the slot 303, and the user can press the lever 402 downward.
In this embodiment, the reset mechanism 7 is a reset spring sleeved on the limit guide rod 6.
As shown in fig. 2 and 3, the locking assembly is provided with a limiting mechanism for limiting the sliding hook 4. When being in the locking state, the slip hook 4 can not slide downwards to unlock. The limiting mechanism comprises a locking block 5 which is arranged in the buckle plate 3 in a sliding mode, the locking block 5 comprises a bottom plate 503 and a vertical plate 504 which are arranged in an L shape, limiting protrusions 501 are arranged on the bottom plate 503 and the vertical plate 504 in a connecting mode, the limiting protrusions 501 are perpendicular to the bottom plate 503 and the vertical plate 504 respectively, and a locking opening groove 401 corresponding to the limiting protrusions 501 is arranged at the lower end of the sliding hook 4. As shown in fig. 4, when in the locked state, the limiting protrusion 501 on the locking block 5 is located below the sliding hook 4 and is staggered with the unlocking groove 401, so as to support the sliding hook 4 and prevent the sliding hook 4 from sliding downwards to unlock; as shown in fig. 5, when the lock is in the unlocked state, the lock block 5 moves to make the limiting protrusion 501 be located below the unlocking slot 401, in the sliding process of the sliding hook, the vertical plate 504 of the lock block 5 is clamped into the gap between the sliding hook 4 and the sliding slot 302, the sliding of the sliding hook 4 is not limited, and the limiting protrusion 501 is inserted into the unlocking slot 401 when the sliding hook 4 slides down, so as to realize unlocking.
The bottom plate 503 of the locking block 5 is provided with a straight groove 505, the limiting guide rod 6 penetrates through the straight groove 505, and the locking block 5 can move in the horizontal direction and is horizontally limited by the limiting guide rod 6.
A shifting block 502 is arranged on the outer side end face of the vertical plate 504, a shifting groove 301 capable of accommodating the shifting block 502 is formed in the pinch plate 3, and the shifting block 502 can move back and forth in the shifting groove 301 in the horizontal direction. The two sides of the shifting groove 301 are provided with unlocking and locking marks, when the shifting block 502 is located on one side of the locking, the limiting protrusion 501 is located below the sliding hook 4, and the sliding hook 4 cannot slide downwards to unlock. When the shifting block 502 is located at one unlocking side, the limiting protrusion 501 is located below the unlocking groove 401 on the sliding hook 4, and the sliding hook 4 can slide downwards under the action of external force to unlock.
Example 2
As shown in figure 1, the utility model provides a safety protection box with a spring lock catch, which comprises a box cover 1 and a box body 2 which are rotatably connected, wherein one side of the box cover 1 is in pin joint with the box body 2, and the other side of the box cover 1 can be opened or closed relative to the box body 2. The box cover 1 is provided with a lock catch assembly, and the box cover 1 and the box body 2 are locked. The hasp subassembly includes to rotate buckle 3 of connection on box 2 through pin rod 8, is equipped with on the inner wall of buckle 3 and can holds smooth 4 gliding spouts 302 about going on that collude, is equipped with spacing guide arm 6 in the spout 302, and spacing guide arm 6 is worn to establish in smooth 4 colluding to with smooth 4 sliding fit that collude, make smooth 4 colluding can slide about following spacing guide arm 6. A reset mechanism 7 is arranged between the lower end face of the sliding groove 302 and the sliding hook 4, and after the sliding hook 4 slides upwards to unlock, a user releases his hand, the sliding hook 4 does not receive the action of external force, and moves downwards under the action of the reset mechanism 7 to reset.
The hook part of the sliding hook 4 hooks the hook groove on the side wall of the box cover 1 upwards, and the box cover 1 and the box body 2 are locked and cannot be opened; the sliding hook 4 is pushed upwards, the hook part is separated from the hook groove on the box cover 1, the buckle plate 3 is rotated, the hook part principle box cover 1 is realized, and the box cover 1 can be opened relative to the box body 2.
The outer side surface of the sliding hook 4 is provided with a convex shifting handle 402, the buckle plate 3 is provided with a slot 303 capable of accommodating the shifting handle 402 to slide up and down, and the slot 303 is communicated with the sliding groove 302. The lever 402 is exposed in the slot 303, and the user can push the lever 402 upward.
In this embodiment, the reset mechanism 7 is a reset spring sleeved on the limit guide rod 6.
As shown in fig. 2 and 3, the locking assembly is provided with a limiting mechanism for limiting the sliding hook 4. When in the locking state, the sliding hook 4 can not slide upwards to unlock. The limiting mechanism comprises a locking block 5 which is arranged in the buckle plate 3 in a sliding mode, the locking block 5 comprises a bottom plate 503 and a vertical plate 504 which are arranged in an L shape, limiting protrusions 501 are arranged on the bottom plate 503 and the vertical plate 504 in a connecting mode, the limiting protrusions 501 are perpendicular to the bottom plate 503 and the vertical plate 504 respectively, the hook portion of the sliding hook 4 faces downwards, and a locking groove 401 corresponding to the limiting protrusions 501 is arranged at the upper end of the sliding hook 4. When the lock is in a locked state, the limiting protrusion 501 on the lock block 5 is positioned above the sliding hook 4 and staggered with the unlocking groove 401, so that the sliding hook 4 is propped against, and the sliding hook 4 cannot slide upwards to unlock; when the lock is in an unlocking state, the lock block 5 moves to enable the limiting protrusion 501 to be located above the unlocking groove 401, the sliding of the sliding hook 4 is not limited, and meanwhile, when the sliding hook 4 slides upwards, the limiting protrusion 501 is inserted into the unlocking groove 401, so that unlocking is achieved.
The bottom plate 503 of the locking block 5 is provided with a straight groove 505, the limiting guide rod 6 penetrates through the straight groove 505, and the locking block 5 can move in the horizontal direction and is horizontally limited by the limiting guide rod 6.
A shifting block 502 is arranged on the outer side end face of the vertical plate 504, a shifting groove 301 capable of accommodating the shifting block 502 is formed in the pinch plate 3, and the shifting block 502 can move back and forth in the shifting groove 301 in the horizontal direction. Unlocking and locking marks are arranged on two sides of the shifting groove 301, when the shifting block 502 is located on one side of the locking, the limiting protrusion 501 is located above the sliding hook 4 and staggered with the unlocking groove 401, and the sliding hook 4 cannot slide upwards to unlock. When the shifting block 502 is located at one unlocking side, the limiting protrusion 501 is located above the unlocking groove 401 on the sliding hook 4, and the sliding hook 4 can slide upwards under the action of external force to unlock.
The usage of the present invention is the same as the lock structure in the prior art, and is not described herein.
After the locking assembly locks the box body and the box cover, the shifting block is shifted, so that the shifting block moves to one end with a locked mark, and the sliding hook is locked in a limiting mode. When the lock is unlocked, the shifting block is shifted to one end with the unlocking mark, and the sliding hook can slide to unlock the lock.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.