CN218826774U - Switch and key connecting assembly thereof - Google Patents

Abstract

The application discloses switch and key connecting subassembly thereof, key connecting subassembly include casing, key panel, buckle structure, apron and muscle position down. The upper shell is internally provided with a buckling position, the key panel is connected with the upper shell, the buckling structure is arranged on the key panel and used for buckling with the buckling position so as to connect the key panel and the upper shell, the lower cover plate is connected with the upper shell, the rib position is arranged on the lower cover plate and used for abutting against the buckling structure so as to limit the movement of the key panel. Above-mentioned key connecting subassembly, the equipment is convenient, and assembles back security and good reliability, can solve because of there being the risk of being prized and dismantling and lead to influencing the security and the problem of reliability that the product used.

Description

Switch and key connecting assembly thereof

Technical Field

The application relates to the technical field of switch keys, in particular to a key connecting assembly. The application also relates to a switch with the key connecting component.

Background

In the prior art, products with keys (such as various household electrical switches, various access control machines and central controller products) all include a fixed structure of the keys, a structure of adding an indicator light corresponding to a light touch switch, and a structure of pre-jacking the keys. However, the general mounting means of current key connection subassembly has the inconvenient and unreliable problem of installation, and the button effect is felt relatively poorly, and has the risk of being pried to remove, perhaps adopts other fixed knot to construct to connect, just so leads to very obvious potential safety hazard, leads to getting an electric shock or damaging inner structure very easily after the user dismantles.

Therefore, how to avoid the problem that the safety and stability of the product use are affected due to the risk of prying and detaching the existing key connecting assembly is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a key connecting assembly, simple to operate, and security and good reliability can solve because of there being the risk of being prized and dismantling and lead to influencing the security and the problem of reliability that the product used. Another object of this application is to provide a switch that includes the above-mentioned key connection assembly.

In order to achieve the above object, the present application provides a key connecting assembly, including:

the upper shell is internally provided with a buckling position;

the key panel is connected with the upper shell;

the buckle structure is arranged on the key panel and is used for buckling with the buckle position so as to connect the key panel and the upper shell;

a lower cover plate connected to the upper housing;

the rib position is arranged on the lower cover plate and is used for abutting against the buckling structure so as to limit the movement of the key panel.

In some embodiments, the fastening position comprises a first through groove and a rotating shaft arranged in the first through groove, the fastening structure comprises a fixture block, and the fixture block is provided with a rotating groove rotatably connected with the rotating shaft;

after the clamping block is arranged in the first through groove, the rotating shaft is clamped in the rotating groove by pushing the key panel.

In some embodiments, the fastening position further includes a second through groove and a first hook disposed in the second through groove, and the fastening structure further includes a second hook;

after the second hook is placed in the second through groove, the first hook is clamped with the second hook by pushing the key panel.

In some embodiments, the first hook and the second hook are L-shaped hooks.

In some embodiments, the rib position includes first stopper and second stopper, and the length of second stopper is less than the length of first stopper, and behind the second logical groove is gone into to first stopper card, the second stopper supports last casing.

In some embodiments, at least two of the latch and the second hook are provided.

In some embodiments, the upper housing is provided with a key elastic arm for providing an elastic force to make the key panel have a tendency to move away from the upper housing.

In some embodiments, the key elastic arm comprises an elastic arm and a spherical bump arranged at the tail end of the elastic arm.

In some embodiments, the keyboard comprises a key panel, and the fastening structure is disposed on a side of the key panel away from the fastening plate.

The application also provides a switch, which comprises the key connecting assembly.

For above-mentioned background art, the key connecting subassembly that this application embodiment provided, including last casing, key panel, buckle structure, lower apron and muscle position. The upper shell is internally provided with a buckling position, the key panel is connected with the upper shell, the buckling structure is arranged on the key panel and used for buckling with the buckling position so as to connect the key panel and the upper shell, the lower cover plate is connected with the upper shell, the rib position is arranged on the lower cover plate and used for abutting against the buckling structure so as to limit the movement of the key panel.

It can be understood that, in the assembling process, the buckle structure of the key panel and the buckle position in the upper shell are buckled firstly, and then the upper shell is connected with the lower cover plate, so that the rib position of the lower shell is propped against the buckle structure, the movement of the key panel is effectively limited, and the stability and the reliability of the assembling of the key panel and the upper shell are ensured. Compare in traditional key-press connection subassembly, the key-press connection subassembly that this application embodiment provided, the equipment is convenient, and assembles back security and good reliability, can solve because of there being the risk of being pried to move the dismantlement and lead to influencing the security and the problem of reliability that the product used.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded view of a key connection assembly in an embodiment of the present application;

fig. 2 is a schematic view illustrating a connection between a key panel and a locking plate in the key connecting assembly shown in fig. 1;

FIG. 3 is a schematic view of a fastening position of the fastening structure of the key connecting assembly shown in FIG. 1 being placed in the upper housing;

FIG. 4 is a schematic view of the locking structure and the locking position shown in FIG. 3;

FIG. 5 is a schematic view of the connection of the lower cover plate and the upper housing;

fig. 6 is a schematic view of the assembled key connecting assembly.

Wherein:

10-an upper shell, 20-a key panel, 30-a buckle plate, 40-a buckle structure, 50-PCBA and 60-a lower cover plate;

101-a fastening position, 1011-a first through groove, 1012-a rotating shaft, 1013-a second through groove and 1014-a first hook;

102-button elastic arm, 1021-elastic arm and 1022-spherical bump;

401-a fixture block, 4011-a rotating groove and 402-a second hook;

501-tact switch, 502-LED;

601-rib position, 6011-first limiting block, 6012-second limiting block.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 6, fig. 1 is an exploded view of a key connecting assembly according to an embodiment of the present disclosure; fig. 2 is a schematic connection diagram of a key panel and a snap plate in the key connection assembly shown in fig. 1;

FIG. 3 is a schematic view of a fastening position of the fastening structure of the key connecting assembly shown in FIG. 1 being placed in the upper housing;

FIG. 4 is a schematic view of the locking structure and the locking position shown in FIG. 3; FIG. 5 is a schematic view of the connection of the lower cover plate to the upper housing; fig. 6 is a schematic view of the assembled key connecting assembly.

The key connecting assembly provided by the embodiment of the application comprises an upper shell 10, a key panel 20, a buckling structure 40, a lower cover plate 60 and a rib position 601.

It should be noted that the technical defects of the same type of products are that the key has no effective anti-prying structure, and the hand feeling of the key is not smooth enough, so that the obvious potential safety hazard is caused, and the user can easily get an electric shock or damage the internal structure after detaching the key.

In order to solve the problem that the conventional key connection assembly is easy to pry and detach, a clamping position 101 is arranged in the upper shell 10, the key panel 20 is connected with the upper shell 10, the clamping structure 40 is arranged on the key panel 20, the clamping structure 40 is used for being buckled with the clamping position 101 to connect the key panel 20 with the upper shell 10, the lower cover plate 60 is connected with the upper shell 10, the rib position 601 is arranged on the lower cover plate 60, and the rib position 601 is used for being abutted to the clamping structure 40 to limit the movement of the key panel 20.

It can be understood that, in the assembling process, the fastening structure 40 of the key panel 20 is firstly fastened to the fastening position 101 in the upper housing 10, and then the lower cover plate 60 is connected to the upper housing 10, so that the rib position 601 of the lower housing abuts against the fastening structure 40, and the movement of the key panel 20 is effectively limited, thereby ensuring the stability and reliability of the assembly of the key panel 20 and the upper housing 10.

Compare in traditional key connecting subassembly, the key connecting subassembly that this application embodiment provided, the equipment is convenient, and assembles back security and good reliability, can solve because of there being the risk of being prized the dismantlement and lead to influencing the security and the problem of reliability that the product used.

In some embodiments, the locking position 101 includes a first through slot 1011 and a rotating shaft 1012 disposed in the first through slot 1011, and accordingly, the locking structure 40 includes a latch 401, and the latch 401 is disposed with a rotating slot 4011 rotatably connected to the rotating shaft 1012. In the assembling process, after the fixture 401 is placed in the first through slot 1011, the key panel 20 is pushed to move forward, so that the rotating shaft 1012 is clamped in the rotating slot 4011. After clamping, the latch 401 may rotate around the pivot 1012.

In some embodiments, the locking unit 101 further includes a second through slot 1013 and a first hook 1014 disposed in the second through slot 1013, and correspondingly, the locking structure 40 further includes a second hook 402, and the second hook 402 is used for being locked and fixed with the first hook 1014. In the assembling process, after the second hook 402 is placed in the second through-groove 1013, the first hook 1014 and the second hook 402 are fastened and fixed by pushing the key panel 20 to move forward.

Of course, the first hook 1014 and the second hook 402 are both L-shaped hooks according to actual requirements. Specifically, the length of the second hook 402 is greater than the length of the first hook 1014, and when the first hook 1014 is connected to the second hook 402, the protruding end of the first hook 1014 is disposed inside the protruding end of the second hook 402.

It should be noted that, during the assembly process, the latch 401 and the second hook 402 of the fastening structure 40 are first placed into the first through slot 1011 and the second through slot 1013, respectively, and then the key panel 20 is pushed forward, so that the rotating shaft 1012 is latched into the rotating slot 4011, and the first hook 1014 is fastened to the second hook 402, so as to limit the key panel 20 from moving forward.

In some embodiments, at least two latches 401 and two hooks 402 are provided for stable assembly.

Preferably, the number of the two latch blocks 401 and the number of the second latch hooks 402 on one key panel 20 are two, the two latch blocks 401 are disposed at the front end of the bottom of the key panel 20, and the two second latch hooks 402 are disposed at the rear end of the bottom of the key panel 20.

In some embodiments, the key connecting assembly further includes a latch 30, the latch structure 40 is disposed on a side of the latch 30 away from the key panel 20, and the latch 30 is attached to the key panel 20.

That is, the two latch blocks 401 are disposed at the front end of the bottom of the latch plate 30, and the two second hooks 402 are disposed at the rear end of the bottom of the latch plate 30. Before assembly, the fastening plate 30 is fixedly connected with the key panel 20 to form an integral key structure. The fastening plate 30 is fixedly connected to the key panel 20 by means of, but not limited to, a fitting connection (e.g., bonding), a fixing connection via a detachable connector (e.g., a screw), and the like.

In some embodiments, in order to prevent the key panel 20 from being withdrawn backwards, so that the key panel 20 may be detached, the rib position 601 includes a first limiting block 6011 and a second limiting block 6012, a length of the second limiting block 6012 is smaller than a length of the first limiting block 6011, and after the first limiting block 6011 is clamped into the second through recess 1013, the second limiting block 6012 abuts against the upper housing 10.

Thus, in the process of covering and connecting the lower cover plate 60 and the upper housing 10, the first stopper 6011 of the lower cover plate 60 is inserted into the second through groove 1013 to abut against the second hook 402 of the locking structure 40, so as to effectively prevent the key panel 20 from retreating and ensure that the key panel 20 is not easily detached. Meanwhile, the second stopper 6012 abuts against the upper casing 10, so as to effectively limit the movement of the first stopper 6011, that is, when the second stopper 6012 abuts against the upper casing 10, it is said that the first stopper 6011 is clamped in place.

In some embodiments, in order to solve the problem of the key feeling not smooth enough, the upper casing 10 is provided with a key elastic arm 102, and the key elastic arm 102 is used to provide an elastic force to make the key panel 20 have a tendency to move away from the upper casing 10.

Specifically, the button arm 102 includes an elastic arm 1021 and a spherical bump 1022 provided at an end of the elastic arm 1021. The key arm 102 may be formed integrally. After the key connecting assembly is assembled, by pressing the key panel 20, the inner walls of the key panel 20 and the locking plate 30 abut against the spherical protrusions 1022 and press down, so that the elastic arms 1021 are slightly bent downward, and at this time, the key panel 20 and the locking plate 30 have a tendency to bounce upward, and once the key panel 20 is released, the key panel 20 and the locking plate 30 can be reset.

It should be noted that, the key-press connection structure increases safety and reliability on the premise of keeping simple structure, convenient assembly and stable structure. The product that this structure was researched and developed material outward appearance variability in earlier stage increases, and the simple cost of equipment is controllable, can realize mass production. Regarding the structural construction and materials: the key connecting Assembly structure itself includes a key panel 20, a fastening Board 30, an upper case 10, a PCBA50 (short for Printed Circuit Board Assembly, that is, a PCB blank Board passes through an SMT upper part, or the whole process of DIP plug-in, short for PCBA 50), and a lower cover plate 60; the key panel 20 may be made of plastic, metal, wood, ceramic, etc., the latch 30 is preferably made of conventional plastic, and the upper case 10 and the lower cover 60 are preferably made of conventional plastic.

Electronic components, such as the tact switch 501 and the LED502, are provided on the PCBA50, and the tact switch 501 is triggered by pressing the key panel 20, so that the PCBA50 executes a switch function.

In conclusion, during assembly:

the first step is as follows: the key panel 20 is fixedly attached to the buckle plate 30 to form an integral key structure, preferably an adhesive manner, which is firm and reliable;

the second step is that: each key panel 20 is provided with two clamping blocks 401 and two second clamping hooks 402 and is correspondingly placed in the clamping position 101 of the upper shell 10;

the third step: the key panel 20 is pushed into the buckle, the latch 401 at the front end is fixed on the rotating shaft 1012 in the upper shell 10, the second latch 402 at the rear end is fixed on the first latch 1014 in the upper shell 10, and the key stroke is controlled by the second latch 402 at the rear end;

the fourth step: after the PCBA50 is installed, the lower cover plate 60 is covered and connected with the upper shell 10, and the rib 601 of the lower cover plate 60 can block the second hook 402, so as to effectively prevent the key panel 20 from retreating, thereby preventing the product from being disassembled.

The fifth step: after the lower cover plate 60 is fixed in place, the assembly is complete.

The switch provided by the application comprises the key connecting component described in the above specific embodiment; other parts of the switch can be referred to the prior art and are not expanded herein.

The push-button connection structure provided by the embodiment of the application can be used in the known fields (various household electrical appliances switches, remote control lamp switches, various access control machines and central controller products), and is wide in application range on the market and extremely high in universality. In addition, potential application fields include upgrading and optimizing of switch keys in the fields of one-key pressing alarm equipment, intelligent agriculture, traffic, medical equipment, logistics and the like which need entity keys, and upgrading and optimizing of switch keys of various factory processing equipment.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The switch and the key connecting component thereof provided by the application are described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (10)

1. A key connection assembly, comprising:

the upper shell is internally provided with a buckling position;

the key panel is connected with the upper shell;

the buckle structure is arranged on the key panel and is used for buckling with the buckle position so as to connect the key panel with the upper shell;

the lower cover plate is connected with the upper shell;

and the rib position is arranged on the lower cover plate and is used for abutting against the buckle structure so as to limit the movement of the key panel.

2. The key connecting assembly of claim 1, wherein the latching portion includes a first through slot and a shaft disposed in the first through slot, and the latching structure includes a latch having a rotating slot rotatably coupled to the shaft;

after the fixture block is arranged in the first through groove, the key panel is pushed, so that the rotating shaft is clamped in the rotating groove.

3. The key connection assembly of claim 2, wherein the latching portion further comprises a second through slot and a first hook disposed in the second through slot, and the latching structure further comprises a second hook;

after the second clamping hook is placed in the second through groove, the first clamping hook is clamped with the second clamping hook by pushing the key panel.

4. The key connection assembly of claim 3, wherein the first hook and the second hook are L-shaped hooks.

5. The key connecting assembly of claim 3, wherein the rib comprises a first stopper and a second stopper, the length of the second stopper is smaller than that of the first stopper, and the second stopper abuts against the upper housing after the first stopper is clamped into the second through groove.

6. The key connecting assembly of claim 3, wherein at least two of the latch and the second hook are provided.

7. The key connection assembly of any one of claims 1-6, wherein the upper housing is provided with a key spring arm for providing a spring force to urge the key panel away from the upper housing.

8. The key connection assembly of claim 7, wherein the key spring arm includes a spring arm and a ball bump at a distal end of the spring arm.

9. The key connecting assembly of claim 1, further comprising a latch plate, wherein the latch structure is disposed on a side of the latch plate away from the key panel, and the latch plate is attached to the key panel.

10. A switch comprising a key connection assembly according to any one of claims 1 to 9.

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