CN216849717U

CN216849717U - Metal shrapnel capable of effectively preventing lateral movement

Info

Publication number: CN216849717U
Application number: CN202122929795.2U
Authority: CN
Inventors: 向云
Original assignee: Huizhou Hemao Metal Products Co ltd
Current assignee: Huizhou Hemao Metal Products Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-06-28
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a metal elastic sheet capable of effectively preventing lateral movement, which comprises a shell, keys, an elastic key part, a circuit board, a metal elastic sheet, a conductive terminal, an adhesive layer and a metal elastic sheet bayonet, wherein the top of the shell is sleeved with the keys, the bottom of the shell is provided with the metal elastic sheet bayonet, the circuit board is connected with the bottom of the shell, the conductive terminal is arranged in the middle of the circuit board, the inner wall of the shell is connected with the elastic key part, one side of the elastic key part, far away from the keys, is tightly connected with the adhesive layer, and one side of the adhesive layer, far away from the elastic key part, is connected with the metal elastic sheet. According to the metal elastic sheet capable of effectively preventing lateral movement, the elastic key part and the metal elastic sheet are bonded through the adhesive layer, so that the elastic key part and the metal elastic sheet are completely attached and firmly fixed together, the edge of the metal elastic sheet is clamped into the bayonet of the metal elastic sheet, the metal elastic sheet can be effectively fixed, the metal elastic sheet is prevented from moving due to long-time pressing in the use process, and the use is prevented from being influenced by bad contact.

Description

Metal shrapnel capable of effectively preventing lateral movement

Technical Field

The utility model relates to the technical field of metal elastic sheets, in particular to a metal elastic sheet capable of effectively preventing side movement.

Background

The metal elastic sheet is also called a metal dome sheet, generally made of ultrathin (0.05 mm-0.1 mm in thickness) stainless steel materials, has the advantages of stable contact, strong conductivity, stable resilience and the like, is mainly applied to products such as membrane switches, contact switches, medical instruments and the like, can play a good role in starting and controlling the switch between an operator and the products due to good conductivity of the metal elastic sheet, has stable resilience and can bring comfortable touch feeling to the operator, so the metal elastic sheet is an important component part on the switch, but the metal elastic sheet in the prior art is easy to shift in a long-time use process, thereby influencing the touch feeling and the use performance of keys, causing poor contact and causing inconvenience to the use of consumers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a metal elastic sheet capable of effectively preventing lateral movement, which has the characteristic of lateral movement prevention and solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an effective metal shrapnel of preventing side and moving, which comprises a housin, the button, the elastic button part, the circuit board, metal shrapnel, conductive terminal, gluing agent layer and metal shrapnel bayonet socket, the casing top cup joints with the button, the bottom of casing is equipped with the metal shrapnel bayonet socket, the circuit board is connected with the bottom of casing, the position of circuit board centre is equipped with conductive terminal, and the inner wall and the elastic button part of casing are connected, one side and gluing agent layer zonulae occludens of button are kept away from to the elastic button part, one side and the metal shrapnel that elastic button part was kept away from to the gluing agent layer are connected.

Preferably, the bottom of the key is attached to the upper surface of the elastic key part.

Preferably, the metal elastic sheet comprises a metal elastic sheet edge and a metal elastic sheet middle part, and the metal elastic sheet edge is annularly arranged on the bottom edge of the metal elastic sheet middle part.

Preferably, the edge of the metal elastic sheet is matched with the bayonet of the metal elastic sheet in size.

Preferably, the thickness of the metal elastic sheet is 0.05mm-0.1 mm.

Preferably, the number of the metal elastic sheet bayonets is matched with the number of the edges of the metal elastic sheets.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the metal elastic sheet capable of effectively preventing lateral movement, the inner wall of the shell is connected with the elastic key part, one side, away from the keys, of the elastic key part is tightly connected with the adhesive layer, one side, away from the elastic key part, of the adhesive layer is connected with the metal elastic sheet, the elastic key part is fixed on the inner wall of the shell, the adhesive layers are coated on the lower surface of the elastic key part and the upper surface of the metal elastic sheet, and the elastic key part and the metal elastic sheet are bonded through the adhesive layers, so that the metal elastic sheet and the elastic key part can be completely attached and firmly fixed together, a deviation phenomenon is avoided in the using process, and the pressing hand feeling and the using performance of the switch can be improved.

2. According to the metal elastic sheet capable of effectively preventing lateral movement, the metal elastic sheet bayonet is arranged at the bottom of the shell, the number of the metal elastic sheet bayonet is matched with the number of the edges of the metal elastic sheets, the edges of the metal elastic sheets are matched with the metal elastic sheet bayonet in size, the edges of the metal elastic sheets are clamped into the metal elastic sheet bayonet, the metal elastic sheet bayonet is arranged to effectively limit the position of the edge of the metal elastic sheet, meanwhile, the metal elastic sheets can be effectively fixed, the metal elastic sheets are prevented from moving due to long-time pressing in the using process, poor contact is avoided, and therefore the switch is prevented from influencing use.

Drawings

FIG. 1 is an overall block diagram of the present invention;

fig. 2 is a structural view of the metal dome of the present invention;

FIG. 3 is a connection diagram of the elastic key assembly and the metal dome of the present invention;

fig. 4 is a cross-sectional view of the housing of the present invention.

In the figure: 1. a housing; 2. pressing a key; 3. an elastic key member; 4. a circuit board; 5. a metal spring sheet; 51. the edge of the metal elastic sheet; 52. the middle part of the metal elastic sheet; 6. a conductive terminal; 7. an adhesive layer; 8. a metal elastic sheet bayonet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-2, a metal dome for effectively preventing lateral movement includes a housing 1, a key 2, an elastic key member 3, a circuit board 4, a metal dome 5, a conductive terminal 6, an adhesive layer 7, and a metal dome bayonet 8, wherein the top of the housing 1 is sleeved with the key 2, the size of the key 2 is adapted to the housing 1, the key 2 is pressed downward along the housing 1, the metal dome bayonet 8 is disposed at the bottom of the housing 1, the circuit board 4 is connected to the bottom of the housing 1, the conductive terminal 6 is disposed at the center of the circuit board 4, the conductive terminal 6 is connected to the circuit board 4, the inner wall of the housing 1 is connected to the elastic key member 3, the bottom of the key 2 is attached to the upper surface of the elastic key member 3, the key 2 is pressed downward to make the top of the elastic key member 3 concave downward, and the side of the elastic key member 3 away from the key 2 is tightly connected to the adhesive layer 7, one side of the adhesive layer 7, which is far away from the elastic key part 3, is connected with the metal elastic sheet 5.

Referring to fig. 3, the inner wall of the housing 1 is connected to the elastic key member 3, one side of the elastic key member 3 away from the key 2 is tightly connected to the adhesive layer 7, one side of the adhesive layer 7 away from the elastic key member 3 is connected to the metal dome 5, the elastic key member 3 is fixed on the inner wall of the housing 1, the lower surface of the elastic key member 3 and the upper surface of the metal dome 5 are both coated with the adhesive layer 7, the elastic key member 3 and the metal dome 5 are bonded by the adhesive layer 7, pressing the key 2 makes the top of the elastic key member 3 concave downwards, the elastic key member 3 has an arc structure matched with the metal dome 5, the elastic key member 3 is made to link the metal dome 5 and concave downwards, so that the bottom surface of the middle part 52 of the metal dome contacts with the top of the conductive terminal 6, thereby playing a role of conduction, and the adhesive layer 7 makes the elastic key member 3 and the metal dome 5 completely attached and firmly fixed together, therefore, the pressing hand feeling and the using performance of the switch can be improved, meanwhile, the adhesive layer 7 also ensures that the metal elastic sheet 5 is fixedly connected with the elastic key part 3, and the switch cannot be influenced by movement.

Please refer to fig. 4, the bottom of the housing 1 is provided with a metal clip bayonet 8, the number of the metal clip bayonet 8 matches with the number of the metal clip edges 51, and the metal clip edges 51 are adaptive to the size of the metal clip bayonet 8, the metal clip edges 51 are clamped into the metal clip bayonet 8, each metal clip edge 51 corresponds to one metal clip bayonet 8, the position of the metal clip 5 is limited by the arrangement of the metal clip bayonet 8, the metal clip 5 can be effectively fixed, preventing in use, long-time pressing causes the position of the metal clip 5 to move, and avoiding bad contact from affecting use.

In conclusion: the metal elastic sheet capable of effectively preventing lateral movement is characterized in that the top of a shell 1 is sleeved with a key 2, the size of the key 2 is matched with that of the shell 1, the key 2 is downwards pressed along the shell 1, the bottom of the shell 1 is provided with a metal elastic sheet bayonet 8, the number of the metal elastic sheet bayonets 8 is matched with that of metal elastic sheet edges 51, the sizes of the metal elastic sheet edges 51 and the metal elastic sheet bayonet 8 are set, the metal elastic sheet edges 51 are clamped into the metal elastic sheet bayonet 8, each metal elastic sheet edge 51 corresponds to one metal elastic sheet bayonet 8, the moving position of a metal elastic sheet 5 is limited through the arrangement of the metal elastic sheet bayonet 8, the metal elastic sheet 5 can be effectively fixed, the position of the metal elastic sheet 5 is prevented from moving in the using process, a circuit board 4 is connected with the bottom of the shell 1, a conductive terminal 6 is arranged in the middle of the circuit board 4, the conductive terminal 6 is connected with the circuit board 4, the inner wall of the shell 1 is connected with an elastic key part 3, the bottom of the key 2 is attached to the upper surface of the elastic key part 3, one side of the elastic key part 3, which is far away from the key 2, is tightly connected with an adhesive layer 7, one side of the adhesive layer 7, which is far away from the elastic key part 3, is connected with the metal elastic sheet 5, the elastic key part 3 is fixed on the inner wall of the shell 1, the lower surface of the elastic key part 3 and the upper surface of the metal elastic sheet 5 are coated with the adhesive layer 7, the elastic key part 3 is bonded with the metal elastic sheet 5 through the adhesive layer 7, the adhesive layer 7 enables the elastic key part 3 and the metal elastic sheet 5 to be completely attached and firmly fixed together, so that the pressing hand feeling and the using performance of the elastic sheet switch component can be improved, when in use, the top of the elastic key part 3 is sunken downwards by pressing the key 2, so that the elastic key part 3 with the metal elastic sheet 5 is sunken downwards, and the bottom surface of the middle part 52 of the metal elastic sheet is contacted with the top of the conductive terminal 6, thereby play the effect of switching on, gluing agent layer 7 and metal shrapnel bayonet socket 8's setting effectively guarantees that metal shrapnel 5 can not take place the side and move, avoids causing contact failure, influences the use of switch.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an effective metal shrapnel of preventing side and moving, includes casing (1), button (2), elasticity button part (3), circuit board (4), metal shrapnel (5), conductive terminal (6), gluing agent layer (7) and metal shrapnel bayonet socket (8), its characterized in that: casing (1) top cup joints with button (2), and the bottom of casing (1) is equipped with metal shrapnel bayonet socket (8), and circuit board (4) are connected with the bottom of casing (1), and the position of circuit board (4) centre is equipped with conductive terminal (6), and the inner wall and the elastic button part (3) of casing (1) are connected, and one side and gluing agent layer (7) zonulae occludens of button (2) are kept away from in elastic button part (3), and one side that elasticity button part (3) were kept away from in gluing agent layer (7) is connected with metal shrapnel (5).

2. The metal shrapnel capable of effectively preventing lateral movement according to claim 1, characterized in that: the bottom of the key (2) is attached to the upper surface of the elastic key component (3).

3. The metal shrapnel capable of effectively preventing lateral movement according to claim 1, characterized in that: the metal elastic sheet (5) comprises a metal elastic sheet edge (51) and a metal elastic sheet middle part (52), and the metal elastic sheet edge (51) is arranged at the bottom edge of the metal elastic sheet middle part (52) in an annular array mode.

4. The metal shrapnel capable of effectively preventing lateral movement according to claim 3, wherein: the metal elastic sheet edge (51) is matched with the metal elastic sheet bayonet (8) in size.

5. The metal shrapnel capable of effectively preventing lateral movement according to claim 1, which is characterized in that: the thickness of the metal elastic sheet (5) is 0.05mm-0.1 mm.

6. The metal shrapnel capable of effectively preventing lateral movement according to claim 1, which is characterized in that: the number of the metal elastic sheet bayonets (8) is matched with the number of the metal elastic sheet edges (51).