CN207925373U

CN207925373U - A kind of mobile phone key sealing ring

Info

Publication number: CN207925373U
Application number: CN201820487118.5U
Authority: CN
Inventors: 王文玲
Original assignee: Dongguan Ydo Electronics Co Ltd
Current assignee: Dongguan Ydo Electronics Co Ltd
Priority date: 2018-04-08
Filing date: 2018-04-08
Publication date: 2018-09-28
Anticipated expiration: 2028-04-08

Abstract

The utility model discloses a kind of mobile phone key sealing rings, including seal assembly and button assembly, the seal assembly includes gasket, installation axle sleeve, button diaphragm seal and sealing ring, the gasket is rectangular film-form, the installation axle sleeve is located on the appearance wall of the gasket, and is integrally formed with the gasket, and the button diaphragm seal is located at the inside of the gasket, and be structure as a whole with the gasket, the sealing ring is located at the edge of the gasket；At gasket upper installing hole and edge junction, it is equipped with the sealing ring higher than gasket plane, it can prevent from the circuit board that button gap enters the dust on gasket surface and aqueous vapor reaches lower section, button is avoided to be in contact unfavorable condition, and key cap of key set is detachably connected with button diaphragm seal by stroke film, key cap of key set is set to be dismantled with gasket, the key cap of key set that can be directed under individual keys is replaced, and replacement cost is saved.

Description

A kind of mobile phone key sealing ring

Technical field

The utility model belongs to sealing ring accessory technical field, and in particular to a kind of mobile phone key sealing ring.

Background technology

Silica gel push-button is exactly as its name suggests using the silica gel button product made as raw material, and silica gel push-button belongs to silica gel One product category of product, silica gel push-button have excellent heat resistance, cold resistance, environment resistant, electric insulating quality, endurance The characteristics of property.

Original mobile phone key is usually structure as a whole with sealing ring, and the providing holes at installation axle, leads to the anti-of sealing ring Water effect is deteriorated, and is easily accessible dust, influences the electric conductivity of button, poor contact after causing button usage time to grow.

Utility model content

The purpose of this utility model is to provide a kind of mobile phone key sealing rings, former to solve to propose in above-mentioned background technology There is mobile phone key to be usually structure as a whole with sealing ring, and the providing holes at installation axle, the waterproof effect of sealing ring caused to be deteriorated, And it is easily accessible dust, the electric conductivity of button is influenced, after causing button usage time to grow the problem of poor contact.

To achieve the above object, the utility model provides the following technical solutions：A kind of mobile phone key sealing ring, including sealing Component and button assembly, the seal assembly include gasket, installation axle sleeve, button diaphragm seal and sealing ring, the gasket For rectangular film-form, the installation axle sleeve is located on the appearance wall of the gasket, and is integrally formed with the gasket, described Button diaphragm seal is located at the inside of the gasket, and is structure as a whole with the gasket, and the sealing ring is located at described close The edge of packing, and the sealing ring is integrally formed with the gasket, and sealing is offered on the lateral wall of the sealing ring Card slot is enclosed, the button assembly includes key cap of key set, conductive contact and stroke film, and the key cap of key set is located at button sealing On the appearance wall of film, and the side wall on the key cap of key set close to the button diaphragm seal is equipped with the conductive contact, described Conductive contact is fixedly connected with the key cap of key set, and is opened on the outside of the conductive contact on the side wall of the key cap of key set Equipped with groove, the bottom end of the stroke film is fixedly connected with the button diaphragm seal, and the top of the stroke film is equipped with limit Tooth, for the limiting tooth plugged and fixed in the groove, the key cap of key set passes through the stroke film with the button diaphragm seal It is detachably connected.

Preferably, the installation axle sleeve, the sealing ring and the key cap of key set are respectively positioned on the same side of the gasket Face, the installation axle sleeve is identical as the sealing ring height, and is above the thickness of the gasket, and is less than the button key The height of cap.

Preferably, the conductive contact is made of rubber and graphite powder, the top of the conductive contact and the button key Cap is fixedly connected, and the bottom end of the conductive contact offers lines.

Preferably, fixed tooth, the fixed tooth and the limiting tooth are offered on the bottom end madial wall of the key cap of key set It is fixed, the stroke film is mutually clamped fixation with the key cap of key set by the limiting tooth.

Preferably, the installation axle sleeve quantity is four, and four installation axle sleeves are distributed in the key cap of key set Outside.

Compared with prior art, the utility model has the beneficial effects that：At gasket upper installing hole and edge junction, It is equipped with the sealing ring higher than gasket plane, can prevent from entering the dust on gasket surface from button gap and aqueous vapor reaches On the circuit board of lower section, button is avoided to be in contact unfavorable condition, and key cap of key set and button diaphragm seal are removable by stroke film Connection is unloaded, key cap of key set is allow to be dismantled with gasket, the key cap of key set that can be directed under individual keys is replaced, and is saved more Change this into.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the dimensional structure diagram of the utility model；

Fig. 3 is the structural schematic diagram of key cap of key set in the utility model；

In figure：10- seal assemblies, 11- gaskets, 12- installations axle sleeve, 13- buttons diaphragm seal, 14- sealing rings, 141- are close Seal card slot, 20- button assemblies, 21- key cap of key set, 22- conductive contacts, 23- strokes film, 231- limiting tooths.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of mobile phone key sealing ring, including sealing group Part 10 and button assembly 20, seal assembly 10 includes gasket 11, installs axle sleeve 12, button diaphragm seal 13 and sealing ring 14, close Packing 11 is rectangular film-form, and installation axle sleeve 12 is located on the appearance wall of gasket 11, and is integrally formed with gasket 11, button Diaphragm seal 13 is located at the inside of gasket 11, and is structure as a whole with gasket 11, and sealing ring 14 is located at the edge of gasket 11 Place, and sealing ring 14 is integrally formed with gasket 11, and sealing ring card slot 141, key group are offered on the lateral wall of sealing ring 14 Part 20 includes key cap of key set 21, conductive contact 22 and stroke film 23, and key cap of key set 21 is located on the appearance wall of button diaphragm seal 13, And conductive contact 22 is installed close to the side wall of button diaphragm seal 13 on key cap of key set 21, conductive contact 22 is solid with key cap of key set 21 Fixed connection, and opened up close to the outside of conductive contact 22 on the side wall of key cap of key set 21 it is fluted, the bottom end of stroke film 23 with press Key diaphragm seal 13 is fixedly connected, and the top of stroke film 23 is equipped with limiting tooth 231, and 231 plugged and fixed of limiting tooth is pressed in groove Key keycap 21 is detachably connected with button diaphragm seal 13 by stroke film 23.

In the present embodiment, installation axle sleeve 12 is located on the appearance wall of gasket 11, and is integrally formed with gasket 11, sealing Circle 14 is located at the edge of gasket 11, and sealing ring 14 is integrally formed with gasket 11, is opened up on the lateral wall of sealing ring 14 There is sealing ring card slot 141, at 11 upper installing hole of gasket and edge junction, is equipped with the sealing higher than 11 plane of gasket Circle can prevent from the circuit board that button gap enters the dust on 11 surface of gasket and aqueous vapor reaches lower section, avoid button It is in contact unfavorable condition.

In the present embodiment, fluted, stroke film 23 is opened up close to the outside of conductive contact 22 on the side wall of key cap of key set 21 Bottom end be fixedly connected with button diaphragm seal 13, and the top of stroke film 23 be equipped with limiting tooth 231,231 plugged and fixed of limiting tooth In in groove, key cap of key set 21 is detachably connected with button diaphragm seal 13 by stroke film 23, allow key cap of key set 21 with it is close Packing 11 is dismantled, and the key cap of key set 21 that can be directed under individual keys is replaced, and replacement cost is saved.

Further, the same side that axle sleeve 12, sealing ring 14 and key cap of key set 21 are respectively positioned on gasket 11, installation are installed Axle sleeve 12 is identical as 14 height of sealing ring, and is above the thickness of gasket 11, and less than the height of key cap of key set 21.

In the present embodiment, installation axle sleeve 12, sealing ring 14 and key cap of key set 21 are respectively positioned on the same side of gasket 11, peace It is identical as 14 height of sealing ring to fill axle sleeve 12, and is above the thickness of gasket 11, and less than the height of key cap of key set 21, can prevent Only from the circuit board that button gap enters the dust on 11 surface of gasket and aqueous vapor reaches lower section, button is avoided to be in contact Unfavorable condition.

Further, conductive contact 22 is made of rubber and graphite powder, and the top of conductive contact 22 and key cap of key set 21 are solid Fixed connection, and the bottom end of conductive contact 22 offers lines.

In the present embodiment, conductive contact 22 is made of rubber and graphite powder, top and the key cap of key set 21 of conductive contact 22 It is fixedly connected, and the bottom end of conductive contact 22 offers lines, when in use, utilizes the graphite and pcb board on conductive contact 22 Contact, carrys out turning circuit, and lines increasing friction force is arranged, slows down oxidation rate.

Further, fixed tooth is offered on the bottom end madial wall of key cap of key set 21, fixed tooth engages solid with limiting tooth 231 Fixed, stroke film 23 is mutually clamped fixation with key cap of key set 21 by limiting tooth 231.

In the present embodiment, fixed tooth is offered on the bottom end madial wall of key cap of key set 21, fixed tooth engages with limiting tooth 231 Fixed, stroke film 23 is mutually clamped fixation with key cap of key set 21 by limiting tooth 231, allows key cap of key set 21 and gasket 11 Dismounting, the key cap of key set 21 that can be directed under individual keys are replaced, and replacement cost is saved.

Further, installation 12 quantity of axle sleeve is four, and four installation axle sleeves 12 are distributed in the outer of key cap of key set 21 Side.

In the present embodiment, installation 12 quantity of axle sleeve is four, and four installation axle sleeves 12 are distributed in key cap of key set 21 Outside, but installation axle passes through installation axle sleeve 12 to carry out fixing seal pad 11, and installation axle is sealed.

The operation principle and process for using of the utility model：After the utility model installs, gasket 11 be placed on by On the pcb board of key, upper cover is then engaged, installation axle is installed to inside installation axle sleeve 12, enable sealing ring 14 be carried out with side wall close Envelope is equipped with the sealing higher than 11 plane of gasket, can prevent from button at 11 upper installing hole of gasket and edge junction Gap enters the dust on 11 surface of gasket and aqueous vapor reaches on the circuit board of lower section, and button is avoided to be in contact bad feelings Condition, key cap of key set 21 are detachably connected with button diaphragm seal 13 by stroke film 23, and key cap of key set 21 and gasket 11 are allow Dismounting, the key cap of key set 21 that can be directed under individual keys are replaced, and replacement cost is saved.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of mobile phone key sealing ring, it is characterised in that：Including seal assembly (10) and button assembly (20), the sealing group Part (10) includes that gasket (11), installation axle sleeve (12), button diaphragm seal (13) and sealing ring (14), the gasket (11) are Rectangular film-form, the installation axle sleeve (12) are located on the appearance wall of the gasket (11), and with the gasket (11) one Body formed, the button diaphragm seal (13) is located at the inside of the gasket (11), and is integrated knot with the gasket (11) Structure, the sealing ring (14) are located at the edge of the gasket (11), and the sealing ring (14) and the gasket (11) It is integrally formed, sealing ring card slot (141) is offered on the lateral wall of the sealing ring (14), the button assembly (20) includes pressing Key keycap (21), conductive contact (22) and stroke film (23), the key cap of key set (21) are located at the button diaphragm seal (13) On appearance wall, and the side wall on the key cap of key set (21) close to the button diaphragm seal (13) is equipped with the conductive contact (22), the conductive contact (22) is fixedly connected with the key cap of key set (21), and is leaned on the side wall of the key cap of key set (21) Open up fluted on the outside of the nearly conductive contact (22), the bottom end of the stroke film (23) is solid with the button diaphragm seal (13) Fixed connection, and the top of the stroke film (23) is equipped with limiting tooth (231), limiting tooth (231) plugged and fixed is in described recessed In slot, the key cap of key set (21) is detachably connected with the button diaphragm seal (13) by the stroke film (23).

2. a kind of mobile phone key sealing ring according to claim 1, it is characterised in that：It is the installation axle sleeve (12), described Sealing ring (14) and the key cap of key set (21) are respectively positioned on the same side of the gasket (11), the installation axle sleeve (12) with Sealing ring (14) height is identical, and is above the thickness of the gasket (11), and less than the key cap of key set (21) Highly.

3. a kind of mobile phone key sealing ring according to claim 1, it is characterised in that：The conductive contact (22) is by rubber It is formed with graphite powder, the top of the conductive contact (22) is fixedly connected with the key cap of key set (21), and the conductive contact (22) bottom end offers lines.

4. a kind of mobile phone key sealing ring according to claim 1, it is characterised in that：The bottom end of the key cap of key set (21) Fixed tooth is offered on madial wall, the fixed tooth is fixed with the limiting tooth (231), the stroke film (23) with it is described Key cap of key set (21) is mutually clamped fixation by the limiting tooth (231).

5. a kind of mobile phone key sealing ring according to claim 1, it is characterised in that：Installation axle sleeve (12) quantity is Four, and four installation axle sleeves (12) are distributed in the outside of the key cap of key set (21).