CN110690068B

CN110690068B - Detachable key

Info

Publication number: CN110690068B
Application number: CN201910922964.4A
Authority: CN
Inventors: 刘钧
Original assignee: Shanghai Chuanggong Telecom Technology Co Ltd
Current assignee: Shanghai Chuanggong Telecom Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2021-10-26
Anticipated expiration: 2039-09-26
Also published as: CN110690068A

Abstract

The invention discloses a detachable key, which comprises a key body, wherein the bottom edge of the key body extends inwards to form a skirt edge structure with a recess, the recess of the skirt edge structure forms a clamping groove for a key hole wall to extend into the clamping, the skirt edge structure is provided with a clamping position for clamping with the key hole wall and an avoiding position for avoiding the key hole wall relative to the key body, the skirt edge structure constantly has a trend of moving from the avoiding position to the clamping position, and the skirt edge structure can move from the clamping position to the avoiding position under extrusion so as to avoid the blocking of the key hole wall and be clamped into the key hole wall. The detachable key of the invention can effectively reduce the maintenance workload to improve the maintenance efficiency.

Description

Detachable key

Technical Field

The invention relates to the technical field of key accessories, in particular to a detachable key.

Background

Referring to fig. 1 to 2 of the specification, a conventional key includes a key main body 100a and a skirt structure 100b, the skirt structure 100b is fixedly disposed at the bottom of the key main body 100a, and the skirt structure 100b is formed by turning the key main body 100a outward, so that the skirt structure 100b is engaged with and embedded in an assembled housing, thereby realizing the assembly of the key.

In order to solve the above problems, it is necessary to provide a detachable key.

Disclosure of Invention

The invention aims to provide a detachable key convenient to detach, which can effectively reduce maintenance workload so as to improve maintenance efficiency.

In order to achieve the above object, the present invention provides a detachable key, which includes a key body, wherein a bottom edge of the key body extends inward to form a skirt structure having a recess, the recess of the skirt structure forms a slot for a key hole wall to extend into the key hole, the skirt structure has a fastening position for fastening with the key hole wall and an avoiding position for avoiding the key hole wall relative to the key body, the skirt structure constantly has a tendency of moving from the avoiding position to the fastening position, and the skirt structure can move from the fastening position to the avoiding position under extrusion to avoid blocking of the key hole wall and be fastened into the key hole wall.

Preferably, the skirt structure is bent inward from the bottom edge of the key body to form a recess of the skirt structure.

Specifically, the skirt structure comprises a pressing main body and an extending portion, one end of the pressing main body is connected to the inner side of the key body, the extending portion is formed by extending the other end of the pressing main body to the outer side of the key body, an included angle is formed between the pressing main body and the extending portion to form the clamping groove, and the extending portion is linked with the pressing main body to extend out of the key body or retract so that the skirt structure is switched between the clamping position and the avoiding position.

Specifically, the pressing main body is arranged in an inclined manner by gradually folding from top to bottom from the bottom edge of the key body.

Specifically, one end of the pressing main body is rotatably connected to the inner side of the key body, and the extension part is driven to extend out of or retract back into the key body by the rotation of the pressing main body.

Specifically, one end of the pressing main body, which is connected with the key body, is connected with the connecting spring, so that the pressing main body is allowed to move relative to the key body, the pressing main body moves inwards under extrusion against the elastic force of the connecting spring, the connecting spring is in a stretching state, so that the extending portion retracts into the key body, and the pressing main body moves outwards under the elastic recovery action of the connecting spring, so that the extending portion extends out of the key body.

Specifically, the detachable key further comprises an elastic piece, one end of the elastic piece is connected to the pressing main body, the other end of the elastic piece is connected to the key body, and the elastic piece provides an elastic force which constantly enables the skirt edge structure to move from the avoiding position to the clamping position.

Specifically, the detachable key further comprises a pushing assembly, the pushing assembly comprises a plastic part and a pushing part, the key body is provided with a communication hole opposite to the pressing main body, the plastic part covers the communication hole, the pushing part is installed on the plastic part, the pushing part is located between the plastic part and the pressing main body, and the pushing part can push the skirt structure to move from the clamping position to the avoiding position by means of plastic deformation of the plastic part.

Preferably, the skirt structure is an elastic structure and is circumferentially arranged along the bottom edge of the key body.

Specifically, the skirt structure is provided with a gap which is convenient for the skirt structure to move from the clamping position to the avoiding position, the gap extends from the outer side of the skirt structure to the inner side of the skirt structure, the gaps are arranged on the skirt structure at intervals, and all the gaps jointly enclose a quadrilateral structure.

Compared with the prior art, the detachable key of the invention has the advantages that the edge of the bottom of the key body extends inwards to form the skirt edge structure with the recess, the recess of the skirt edge structure forms the clamping groove for the key hole wall to extend into the clamping, the skirt edge structure can be clamped on the key hole wall by utilizing the clamping groove, so the mounting purpose is achieved, the skirt edge structure relative to the key body is provided with a clamping position for clamping with the key hole wall and an avoiding position for avoiding the key hole wall, the skirt edge structure moves from the clamping position to the avoiding position under extrusion, in other words, the skirt edge structure can move from the clamping position to the avoiding position only by pressing the skirt edge structure, the skirt edge structure at the avoiding position can avoid the blockage of the key hole wall and extend into the key hole wall, and the skirt edge structure constantly has the trend of moving from the avoiding position to the clamping position, when the pressing of the skirt edge structure is relieved, the shirt rim structure is just automatic by dodging the position activity to the block position, and the shirt rim structure that is in the block position just can utilize draw-in groove and key pore wall block to the realization is installed the button in key pore wall department, and like this, when needs dismantle detachable button, only need press the shirt rim structure of detachable button and just can take out the shirt rim structure from key pore wall department, avoided traditionally dismantling the whole change that just can realize the button of casing, not only the dismouting is convenient, and improve maintenance efficiency when reducing maintenance work load. The detachable key also has the advantage of simple structure.

Drawings

Fig. 1 is a schematic plan view of a prior art key in a front view.

Fig. 2 is a schematic plan view of a prior art key in a top view.

Fig. 3 is a schematic plan view of the detachable key of the present invention in the front view direction.

Fig. 4 is a schematic plan view of the detachable key of the present invention in a top view.

Fig. 5 is a schematic view of the inner structure of the detachable key of the present invention when the pressing body is rotatably connected to the key body and the skirt structure is in the engaging position.

Fig. 6 is a schematic view of the inner structure of the detachable key of the present invention when the pressing body is rotatably connected to the key body and the skirt structure is in the avoiding position.

Fig. 7 is a schematic view of the inner structure of the detachable key of the present invention when the pressing body is movably connected to the key body and the skirt structure is in the engaging position.

Fig. 8 is a schematic view of the inner structure of the detachable key of the present invention when the pressing body is movably connected to the key body and the skirt structure is in the avoiding position.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.

Referring to fig. 3 to 6, the present invention provides a detachable key 200, which includes a key body 1, wherein the bottom of the key body 1 has an opening, the bottom edge of the key body 1 extends inward to form a skirt structure 2 having a recess, the recess of the skirt structure 2 forms a slot 24 for an external key hole wall (not shown) to extend into the slot, the skirt structure 2 can be clamped on the key hole wall by using the slot 24, so as to achieve the purpose of installation, the skirt structure 2 is movably disposed at the bottom of the key body 1, the skirt structure 2 has a clamping position for clamping with the key hole wall and an avoiding position for avoiding the key hole wall relative to the key body 1 (the skirt structure 2 in the clamping position is shown in fig. 5, the skirt structure 2 in the avoiding position is shown in fig. 6), the skirt structure 2 has a tendency of moving from the avoiding position to the clamping position, the skirt structure 2 moves from the clamping position to the avoiding position under extrusion to avoid the blocking of the wall of the external key hole and is clamped into the wall of the key hole, in other words, the skirt structure 2 can move from the clamping position to the avoiding position only by pressing the skirt structure 2, the skirt structure 2 at the avoiding position can avoid the blocking of the wall of the key hole and pass through the key hole, and because the skirt structure 2 always has the trend of moving from the avoiding position to the clamping position, after the pressing of the skirt structure 2 is relieved, the skirt structure 2 automatically moves from the avoiding position to the clamping position, the skirt structure 2 at the clamping position can be clamped with one end of the wall of the key hole by using the clamping groove 24, thereby realizing that the key is arranged at the wall of the key hole, when the key needs to be disassembled, only the skirt structure 2 of the key needs to be pressed, the skirt structure 2 moves from the clamping position to the avoiding position to avoid the blocking of the wall of the key hole, just so can take out shirt rim structure 2 from keyhole wall department, avoid traditionally dismantling the whole change that just can realize the button of casing, not only the dismouting is convenient, improves maintenance efficiency when reducing maintenance work load moreover. More specifically, the following:

referring to fig. 5 to 6, the skirt structure 2 is bent inward from the bottom edge of the key body 1 to form a recess of the skirt structure 2, the inward bending of the skirt structure 2 not only saves more space than the conventional key arranged outside the skirt, but also facilitates the extension and retraction of the skirt structure 2, thereby achieving the switching between the engagement position and the avoidance position, and in addition, the recess formed by the inward bending of the skirt structure 2 can be conveniently engaged with the wall of the key hole. Specifically, the skirt structure 2 includes a pressing main body 21, an elastic member 3, a pushing assembly 4 and an extending portion 22, one end of the pressing main body 21 is movably connected to the inner side of the key body 1, the extending portion 22 is formed by extending the other end of the pressing main body 21 to the outer side of the key body 1, an included angle is formed between the pressing main body 21 and the extending portion 22 to form a clamping groove 24, the extending portion 22 extends out of the key body 1, so as to achieve a clamping fit with a key hole wall, correspondingly, the extending portion 22 retracts into the key body 1 under pressing, so that the extending portion 22 can avoid the blockage of the key hole wall and pass through the key hole, and the extending portion 22 extends out of the key body 1 or retracts by virtue of the movable linkage of the pressing main body 21. Preferably, the pressing main body 21 is inclined from top to bottom and gradually drawn in from the bottom edge of the key body 1, and the extending portion 22 is arranged along the left and right direction of the key body 1, so that the pressing main body 21 and the extending portion 22 jointly form a clamping groove 24 which is convenient for pushing and is clamped with the wall of the keyhole, and the structure is simple.

Referring to fig. 5 to 6, for example, one end of the pressing body 21 is rotatably connected to the inner side of the key body 1, and the rotation linking extension 22 of the pressing body 21 extends out of or retracts into the key body 1 to switch the skirt structure 2 between the engaging position and the avoiding position, preferably, the skirt structure 2 is an elastic structure, so as to allow the pressing body 21 to rotate relative to the key body 1, and of course, the pressing body 21 may also be pivotally connected to the key body 1 to allow the pressing body 21 to rotate relative to the key body 1, and thus, the invention is not limited thereto. In other embodiments, please refer to fig. 7 to 8, one end of the pressing main body 21 is movably connected to the inner side of the key main body 1, the pressing main body 21 moves under extrusion and links the extending portion 22 to extend out of the key main body 1 or retract, so as to switch the skirt structure 2 between the engaging position and the avoiding position, preferably, one end of the pressing main body 21 connected to the key main body 1 is connected through the connecting spring 5, so as to allow the pressing main body 21 to move relative to the key main body 1, the pressing main body 21 moves inward under extrusion against the elastic force of the connecting spring 5, the connecting spring 5 is in a stretching state, so as to allow the extending portion 22 to retract into the key main body 1, the pressing main body 21 moves outward under the elastic recovery action of the connecting spring 5, so as to allow the extending portion 22 to extend out of the key main body 1, it can be understood that the key main body 1 and the skirt structure 2 can both be rigid structures, the skirt structure 2 can be moved by the micro deformation between the key body 1 and the skirt structure 2, and the skirt structure 2 can be movably arranged at the bottom of the key body 1 by a producer through other structures, so that the key is not limited to the above. It should be noted that no matter what material or connection method is used for the key body 1 and the skirt structure 2, the movement of the skirt structure 2 will drive the key body 1 to generate a small deformation, that is, the inner wall of the key body 1 will generate a small position deviation (the deviation angle α is shown in fig. 6), thereby facilitating the installation.

Referring to fig. 5 to 6, the elastic element 3 provides an elastic force that constantly moves the skirt structure 2 from the avoiding position to the engaging position, the pushing assembly 4 includes a plastic element 41 and a pushing element 42, the key body 1 is provided with a communication hole 11 facing the pressing main body 21, so that the pressing main body 21 can be pushed by the communication hole 11, the operation is convenient, the plastic element 41 covers the communication hole 11, the pushing element 42 is installed on the plastic element 41, the pushing element 42 is located between the plastic element 41 and the pressing main body 21, one end of the elastic element 3 is connected to the pressing main body 21, the other end of the elastic element 3 is connected to the key body 1, the elastic element 3 is located between the pushing element 42 and the extending portion 22, the pushing element 42 can push the skirt structure 2 from the engaging position to the avoiding position by the plastic deformation of the plastic element 41, in other words, the pushing element 42 deforms the plastic element 41, the pressing main body 21 overcomes the elastic force of the elastic piece 3 to rotate and drive the extending portion 22 to retract into the key body 1 under the extrusion of the pushing piece 42, at this time, the skirt structure 2 is in the avoiding position, so the skirt structure 2 can penetrate through the wall of the key hole, when the pushing of the pushing piece 42 is relieved, the plastic piece 41 resets under the elastic recovery effect and drives the pushing piece 42 to reset, the pressing main body 21 loses the pushing effect and rotates and drives the extending portion 22 to extend out of the key body 1 under the elastic recovery effect of the elastic piece 3, and at this time, the skirt structure 2 is in the clamping position. Preferably, the elastic member 3 is a compression spring, the plastic member 41 is a soft film, and the pushing member 42 is a rod-shaped structure, so as to push more smoothly, but not limited thereto.

Referring to fig. 3 to 4, the extension portion 22 of the skirt structure 2 extends outward from the bottom edge of the key body 1 to form a cap edge structure of the key body 1, and the skirt structure 2 is circumferentially arranged along the bottom edge of the key body 1, so that the extension portion 22 of the skirt structure 2 can be engaged with the keyhole wall, the skirt structure 2 is provided with a notch 23 convenient for the skirt structure 2 to move from the engaging position to the avoiding position, the notch 23 extends from the outer side of the skirt structure 2 to the inner side of the skirt structure 2, and the arrangement of the notch 23 can increase the flexibility of the movement of the skirt structure 2, so that the skirt structure 2 can easily move from the engaging position to the retracting position when being pressed, and the structure is simple and has strong flexibility. The number of the notches 23 is at least two, all the notches 23 are arranged on the skirt edge structure 2 at intervals, and all the notches 23 jointly enclose a quadrilateral structure, so that the turning of the skirt edge structure 2 is more flexible.

In summary, please refer to fig. 3 to fig. 6, a detailed description is made of the working process of the detachable key 200 of the present invention:

when the detachable key 200 needs to be installed on the key hole wall, the plastic part 41 is deformed by pressing the pushing part 42, the pressing main body 21 rotates under the extrusion of the pushing part 42 against the elastic force of the elastic part 3 (the rotating direction is the direction indicated by arrow a in fig. 5 and 6), the elastic part 3 is in a stretching state, the rotating linkage extension part 22 of the pushing part 42 retracts into the key body 1, at this time, the skirt structure 2 is in the avoiding position (the skirt structure 2 in the avoiding position is shown in fig. 6), so the skirt structure 2 can pass through the key hole wall, when the pushing of the pushing part 42 is released, the plastic part 41 resets under the elastic recovery effect and moves the pushing part 42 to reset, the pressing main body 21 loses the pushing effect and rotates under the elastic recovery effect of the elastic part 3 (the rotating direction is the opposite direction indicated by arrow a in fig. 5 and 6), the rotating linkage extension part 22 of the pushing part 42 extends out of the key body 1, at this time, the skirt structure 2 is in the engagement position (the skirt structure 2 in the engagement position is shown in fig. 5), so that the skirt structure 2 can be clamped on the key hole wall, thereby realizing the installation of the key on the key hole wall.

When the key needs to be removed from the keyhole wall, the plastic member 41 is deformed by pressing the pushing member 42, the pressing main body 21 rotates under the extrusion of the pushing member 42 against the elastic force of the elastic member 3 (the rotating direction is the direction indicated by the arrow a in fig. 5 and 6), the elastic member 3 is in a stretched state, the rotating linking extension 22 of the pushing member 42 retracts into the key main body 1, at this time, the skirt structure 2 is in the avoiding position (the skirt structure 2 in the avoiding position is shown in fig. 6), so the skirt structure 2 can penetrate out of the keyhole wall, when the pushing member 42 is released from being pushed, the plastic member 41 resets under the elastic recovery effect and links the pushing member 42 to reset, the pressing main body 21 loses the pushing effect and rotates under the elastic recovery effect of the elastic member 3 (the rotating direction is the opposite direction indicated by the arrow a in fig. 5 and 6), the rotating linking extension 22 of the pushing member 42 extends out of the key main body 1, the skirt structure 2 is now in the engaged position (the skirt structure 2 in the engaged position is shown in fig. 5), thereby enabling removal of the removable key 200 from the keyhole wall.

Because the bottom edge of the key body 1 extends inwards to form the skirt structure 2 with a recess, the recess of the skirt structure 2 forms a clamping groove 24 for the key hole wall to extend into the clamping, the clamping groove 24 can be utilized to clamp the skirt structure 2 on the key hole wall, thereby achieving the mounting purpose, and because the skirt structure 2 has a clamping position for clamping with the key hole wall and an avoiding position for avoiding the key hole wall relative to the key body 1, the skirt structure 2 moves from the clamping position to the avoiding position under extrusion, in other words, only the skirt structure 2 needs to be pressed to enable the skirt structure 2 to move from the clamping position to the avoiding position, the skirt structure 2 at the avoiding position can avoid the blocking of the key hole wall and extend into the key hole wall, and because the skirt structure 2 always has the trend of moving from the avoiding position to the clamping position, after the pressing of the skirt structure 2 is relieved, the shirt rim structure 2 is just automatic by dodging the position activity to the block position, the shirt rim structure 2 that is in the block position just can with the keyhole wall block, thereby realize installing the button in keyhole wall department, and in the same way, when needs dismantle detachable button 200, the shirt rim structure 2 that only needs to press detachable button 200 just takes out shirt rim structure 2 from keyhole wall department with usable draw-in groove 24, the change that just can realize the button with the whole dismantlement of casing in the tradition has been avoided, not only the dismouting is convenient, and improve maintenance efficiency when reducing maintenance work load. The detachable key 200 of the present invention also has the advantage of simple structure.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.

Claims

1. A detachable key is characterized by comprising a key body, wherein the bottom edge of the key body extends inwards to form a skirt structure with a recess, the recess of the skirt structure forms a clamping groove for a key hole wall to extend into the clamping, the skirt structure is provided with a clamping position for clamping with the key hole wall and an avoiding position for avoiding the key hole wall relative to the key body, the skirt structure constantly has a trend of moving from the avoiding position to the clamping position, and the skirt structure can move from the clamping position to the avoiding position under extrusion to avoid the blocking of the key hole wall and be clamped into the key hole wall; the skirt structure comprises a pressing main body and an extending portion, one end of the pressing main body is connected to the inner side of the key body, the extending portion is formed by extending the other end of the pressing main body to the outer side of the key body, one end of the pressing main body, which is connected with the key body, is connected with the connecting spring, so that the pressing main body is allowed to move relative to the key body, the pressing main body overcomes the elastic force of the connecting spring under extrusion and moves inwards, the connecting spring is in a stretching state, the extending portion retracts into the key body, and the pressing main body moves outwards under the elastic recovery effect of the connecting spring, so that the extending portion extends out of the key body.

2. The removable key of claim 1, wherein the skirt structure is bent inward from a bottom edge of the key body to form a recess of the skirt structure.

3. The detachable key of claim 2, wherein the pressing body and the extending portion form an included angle therebetween to form the engaging slot, and the movement of the pressing body drives the extending portion to extend out of the key body or retract, so that the skirt structure is switched between the engaging position and the avoiding position.

4. The detachable key of claim 3, wherein the pressing body is inclined from top to bottom with a gradually converging bottom edge of the key body.

5. The removable key of claim 3 further comprising a resilient member, one end of the resilient member being connected to the pressing body and the other end of the resilient member being connected to the key body, the resilient member providing a resilient force that constantly urges the skirt structure from the retracted position to the engaged position.

6. The detachable key of claim 3, further comprising a pushing assembly, wherein the pushing assembly comprises a plastic member and a pushing member, the key body is provided with a communication hole facing the pressing body, the plastic member covers the communication hole, the pushing member is mounted on the plastic member, the pushing member is located between the plastic member and the pressing body, and the pushing member can push the skirt structure to move from the engaging position to the avoiding position by plastic deformation of the plastic member.

7. The removable key of claim 1, wherein the skirt structure is resilient and is circumferentially disposed along a bottom edge of the key body.

8. The removable key of claim 7, wherein the skirt structure defines a gap facilitating movement of the skirt structure from the engaged position to the retracted position, the gap extending from an outer side of the skirt structure to an inner side of the skirt structure, the gap being spaced apart from the skirt structure, and all of the gaps collectively defining a quadrilateral configuration.