CN214123753U

CN214123753U - Silica gel key with rebound structure

Info

Publication number: CN214123753U
Application number: CN202120299246.9U
Authority: CN
Inventors: 卢柳林; 赵英英; 宗标; 吴建议
Original assignee: Dongguan Bohao Electronic Technology Co ltd
Current assignee: Dongguan Bohao Electronic Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-03
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a resilience structure silica gel button, including silica gel main part and contact, the both sides of silica gel main part are all through sealed glue and equipment casing fixed connection, and the inner wall fixedly connected with of silica gel main part presses the clamp plate, presses the bottom fixedly connected with support column of clamp plate, and the bottom fixedly connected with fly leaf of support column, the both sides of fly leaf all are provided with the resilience subassembly, and the spacing frame on contact surface is established to the bottom fixedly connected with cover of fly leaf, the utility model relates to a button technical field. This resilience structure silica gel button, resilience subassembly can make the fly leaf trend of up-going all the time to after the finger leaves the silica gel main part, prop up the silica gel main part, prevent that the silica gel button is sunken unable to kick-back, prevent the button inefficacy, thereby improved practical reliability, sealed between silica gel main part and the equipment casing does not have the space, can prevent effectively that moisture from passing through inside the button department entering equipment, thereby improved the safety in utilization.

Description

Silica gel key with rebound structure

Technical Field

The utility model relates to a button technical field specifically is a resilience structure silica gel button.

Background

The silica gel key is a key product made of silica gel as a raw material, which is commonly called as a silica gel key, belongs to a product category of silica gel products, and has the characteristics of excellent heat resistance, cold resistance, environment resistance, electrical insulation, fatigue resistance and the like, and in addition, the silica gel key is also called as: silica gel key, red leaf silica gel key, organic silicon key and silicon rubber key.

Current silica gel button is pressed into unable bounce-back in the set casing easily in the use, leads to the button inefficacy, and the in-service use effect is relatively poor, and current silica gel button installation back leakproofness is relatively poor, when pressing the button, inside moisture gets into equipment through the gap between button and the set casing easily, causes the circuit board short circuit, and the reliability is relatively poor, consequently the utility model provides a structure silica gel button of kick-backing solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a resilience structure silica gel button has solved and has been pressed easily in the set casing unable bounce-back in the use, leads to the button inefficacy, and the in-service use effect is relatively poor to and the leakproofness is relatively poor, when pressing the button, inside moisture got into equipment through the gap between button and the set casing easily, caused the circuit board short circuit, the relatively poor problem of reliability.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a resilience structure silica gel button, includes silica gel main part and contact, the outside to the equipment casing is run through at the top of silica gel main part, the contact is fixed on the PCB board of equipment, the both sides of silica gel main part are all through sealed glue and equipment casing fixed connection to the inner wall fixedly connected with of silica gel main part presses the clamp plate, press the bottom fixedly connected with support column of clamp plate to the bottom fixedly connected with fly leaf of support column, the both sides of fly leaf all are provided with the subassembly of kick-backing, and the spacing frame on contact surface is established to the bottom fixedly connected with cover of fly leaf.

Preferably, the rebounding assembly comprises a guide rod penetrating through the movable plate from bottom to top, threads are arranged above the surface of the guide rod, and one end, with threads, of the guide rod penetrates through the equipment shell.

Preferably, one end of the guide rod penetrating through the equipment shell is fixed through a nut, and one end of the guide rod located below the movable plate is fixedly connected with a baffle.

Preferably, the top of the baffle is fixedly connected with a first spring sleeved on the surface of the guide rod, and one end of the first spring, which is far away from the baffle, is fixedly connected with the bottom of the movable plate.

Preferably, the top of the movable plate is fixedly connected with a second spring sleeved on the surface of the guide rod, and one end of the second spring, which is far away from the movable plate, is in contact with the top of the inner wall of the equipment shell.

Advantageous effects

The utility model provides a resilience structure silica gel button. Compared with the prior art, the method has the following beneficial effects:

(1) this resilience structure silica gel button, inner wall fixedly connected with through the silica gel main part presses the clamp plate, press the bottom fixedly connected with support column of clamp plate, and the bottom fixedly connected with fly leaf of support column, the both sides of fly leaf all are provided with the resilience subassembly, and the spacing frame on contact surface is established to the bottom fixedly connected with cover of fly leaf, the resilience subassembly can make the fly leaf trend of up-moving all the time, thereby leave the silica gel main part after the finger, prop up the silica gel main part, prevent the sunken unable resilience of silica gel button, prevent the button inefficacy, thereby practical reliability has been improved.

(2) This resilience structure silica gel button, both sides through the silica gel main part are all through sealed glue and equipment casing fixed connection, and there is not the space sealed between silica gel main part and the equipment casing, can prevent effectively that moisture from getting into inside the equipment through button department to safety in utilization has been improved.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1;

FIG. 4 is a perspective view of a partial structure of the present invention;

fig. 5 is a perspective view of the middle silica gel body of the present invention.

In the figure: the device comprises a silicon gel main body 1, a contact 2, an equipment shell 3, a PCB 4, a sealant 5, a pressing plate 6, a supporting column 7, a movable plate 8, a rebound assembly 9, a guide rod 91, a nut 92, a baffle 93, a first spring 94, a second spring 95 and a limiting frame 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a resilience structure silica gel button, including silica gel main part 1 and contact 2, silica gel main part 1 has elasticity, elastic deformation can take place, consequently, its middle part can be depressed, the outside to equipment casing 3 is run through at the top of silica gel main part 1, contact 2 is fixed on the PCB board 4 of equipment, the both sides of silica gel main part 1 are all through sealed

glue

5 and 3 fixed connection of equipment casing, and the inner wall fixedly connected with of silica gel main part 1 presses the clamp plate 6, press the bottom fixedly connected with support column 7 of clamp plate 6, and the bottom fixedly connected with fly leaf 8 of support column 7, the both sides of fly leaf 8 all are provided with resilience subassembly 9, and the bottom fixedly connected with cover of fly leaf 8 establishes at the spacing frame 10 on contact 2 surfaces.

The rebounding assembly 9 comprises a guide rod 91 penetrating through the movable plate 8 from bottom to top, the guide rod 91 can play a role in guiding and preventing the movable plate 8 from shifting in position when moving up and down, threads are arranged above the surface of the guide rod 91, the threaded end of the guide rod 91 penetrates through the equipment shell 3, one end of the guide rod 91 penetrating through the equipment shell 3 is fixed through a nut 92, a baffle 93 is fixedly connected to one end of the guide rod 91 positioned below the movable plate 8, the baffle 93 can prevent the movable plate 8 from being separated from the guide rod 91, a first spring 94 sleeved on the surface of the guide rod 91 is fixedly connected to the top of the baffle 93, one end of the first spring 94 far away from the baffle 93 is fixedly connected to the bottom of the movable plate 8, a second spring 95 sleeved on the surface of the guide rod 91 is fixedly connected to the top of the movable plate 8, and one end of the second spring 95 far away from the movable plate 8 is in contact with the top of the inner wall of the equipment shell 3, the resilience of the first spring 94 and the second spring 95 is much greater than the elastic deformation force of the silicone main body 1, and the silicone main body 1 can be quickly rebounded after the finger leaves.

Press silica gel main part 1, make and press according to board 6 downstream, further promote fly leaf 8 along guide bar 91 downstream through support column 7, thereby make first spring 94 compressed, second spring 95 is stretched, when the bottom of fly leaf 8 contacts with the top of contact 2, the switch is triggered, realize the switch function, then the finger leaves silica gel main part 1, fly leaf 8 is along guide bar 91 upward movement under the effect of first spring 94 and the effect of second spring 95 resilience force this moment, further promote through bracing piece 7 and press according to board 6 upward movement, thereby make silica gel main part 1 kick-back, can effectively prevent the phenomenon of the unable resilience of silica gel button.

It is noted that, herein, relational terms such as first and second, and the like may be 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 changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a resilience structure silica gel button, includes silica gel main part (1) and contact (2), the outside to equipment casing (3) is run through at the top of silica gel main part (1), contact (2) are fixed on PCB board (4) of equipment, its characterized in that: the both sides of silica gel main part (1) are all through sealed glue (5) and equipment casing (3) fixed connection to the inner wall fixedly connected with of silica gel main part (1) presses down clamp plate (6), the bottom fixedly connected with support column (7) of pressing down clamp plate (6) to the bottom fixedly connected with fly leaf (8) of support column (7), the both sides of fly leaf (8) all are provided with resilience subassembly (9) to the bottom fixedly connected with cover of fly leaf (8) is established at contact (2) surperficial spacing frame (10).

2. The silica gel key with the rebound structure as set forth in claim 1, wherein: rebound assembly (9) include from the supreme guide bar (91) that run through fly leaf (8) down, the top on guide bar (91) surface is provided with the screw thread to equipment casing (3) is run through to guide bar (91) threaded one end.

3. The silica gel key with the rebound structure as set forth in claim 2, wherein: one end of the guide rod (91) penetrating through the equipment shell (3) is fixed through a nut (92), and one end of the guide rod (91) located below the movable plate (8) is fixedly connected with a baffle (93).

4. The silica gel key with a rebound structure as set forth in claim 3, wherein: the top of the baffle plate (93) is fixedly connected with a first spring (94) sleeved on the surface of the guide rod (91), and one end, far away from the baffle plate (93), of the first spring (94) is fixedly connected with the bottom of the movable plate (8).

5. The silica gel key with the rebound structure as set forth in claim 1, wherein: the top of the movable plate (8) is fixedly connected with a second spring (95) sleeved on the surface of the guide rod (91), and one end, far away from the movable plate (8), of the second spring (95) is in contact with the top of the inner wall of the equipment shell (3).