CN218634002U

CN218634002U - Key panel with integrated structure and explosion-proof sound amplifying instruction intercom panel

Info

Publication number: CN218634002U
Application number: CN202223098432.XU
Authority: CN
Inventors: 刘宇恒; 石庆丰
Original assignee: Jilin Huafei Electronic Equipment Co ltd
Current assignee: Jilin Huafei Electronic Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-14
Anticipated expiration: 2032-11-22

Abstract

The utility model provides a keypad and explosion-proof public address instruction intercom phone panel of integral structure, which comprises a plate body, and set up the keyboard subassembly on the plate body, the window subassembly, hang fork assembly and joint through-hole, still include first seal part, the second seal part, third seal part and fourth seal part, first seal part contacts with window subassembly and plate body respectively, the second seal part sets up on the keyboard subassembly, and contact with keyboard subassembly and plate body respectively, the third seal part is located between hang fork assembly and the plate body, and contact with hang fork assembly and plate body respectively, the fourth seal part sets up the inside at the joint through-hole. The utility model discloses a seal structure of addding on keyboard subassembly, window subassembly, hanging fork assembly and joint through-hole respectively can avoid producing the gap on the plate body for foreign matters such as external dust, oil gas, moisture all can't invade inside the equipment through the optional position on the plate body, reach dustproof, waterproof effect.

Description

Integrated key panel and explosion-proof sound amplifying instruction intercom panel

Technical Field

The utility model relates to a keypad, especially a keypad and explosion-proof public address instruction intercom panel of integral structure.

Background

At present, the existing explosion-proof voice amplification instruction intercom telephone is mainly applied to outdoor, humid and other severe environments. However, the operation panel and the keyboard of the conventional explosion-proof speakerphone with sound amplifying instructions are usually designed in a split structure, so that some gaps are bound to exist between the operation panel and the keyboard, and the functions of dust prevention and water prevention are bound to be reduced. In the use process of the explosion-proof sound amplification instruction intercom phone, foreign matters such as rainwater, corrosive gas and metal dust can enter the equipment through the gap, so that parts inside the equipment are damaged, and the service life of the equipment is shortened.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a can avoid producing the gap on the plate body for outside dust, oil gas, moisture, corrosivity gas-liquid, rainwater all can't be through the optional position on the plate body inside the equipment of invading, reach dustproof, waterproof effect, the button panel and the explosion-proof public address instruction intercom panel of the integrated configuration of extension equipment life.

In order to realize the above object, the utility model provides a keypad of integral structure, which comprises a plate body, and set up the keyboard subassembly on the plate body, the window subassembly, hang fork assembly and joint through-hole, still include first seal part, second seal part, third seal part and fourth seal part, first seal part contacts with window subassembly and plate body respectively, second seal part sets up on the keyboard subassembly, and contact with keyboard subassembly and plate body respectively, third seal part is located between hang fork assembly and the plate body, and contact with hanging fork assembly and plate body respectively, fourth seal part sets up the inside at the joint through-hole.

Preferably, the plate body is also provided with a window through hole, a keyboard through hole and a hanging fork assembly assembling area, at least one part of the window assembly is arranged inside the window through hole through the first sealing part, at least one part of the keyboard component is arranged inside the keyboard through hole, and the third sealing part is positioned between the hanging fork assembly and the hanging fork assembly assembling area and is respectively contacted with the hanging fork assembly and the hanging fork assembly assembling area.

Preferably, the first sealing part is formed by cured sealing adhesive, and a part of the window assembly is arranged inside the window through hole through the sealing adhesive.

Preferably, the window assembly includes a status display core plate and a transparent window, the transparent window passing through the sealing adhesive to be disposed at least partially within the window through hole.

Preferably, the keyboard assembly comprises a keyboard plate and a keyboard key group, and the keyboard key group and the second sealing part are sequentially superposed on the front end surface of the keyboard plate;

after the keyboard assembly is assembled on the plate body, the rear end face of the second sealing part is in contact with the front end face of the keyboard plate, and the front end face of the second sealing part is in contact with the back area of the plate body.

Preferably, the second sealing part is a keyboard sealing rubber mat, and a plurality of key grooves are formed in the front end face of the keyboard sealing rubber mat;

the keyboard key group is composed of a plurality of keys, and the keys are arranged inside the key grooves.

Preferably, the front end surface of the key protrudes to the outside of the key groove.

Preferably, a front end surface of the fourth sealing member faces a front surface area of the plate body, and a rear end surface of the fourth sealing member faces a rear surface area of the plate body.

The utility model also provides an explosion-proof public address instruction intercom phone panel, be in including above-mentioned keypad and setting telephone assembly on the keypad.

Preferably, the telephone assembly comprises a telephone handle and a telephone line connected with the telephone handle;

the telephone handle is hung in the hanging area of the hanging fork assembly, and the other end of the telephone wire is arranged inside the fourth sealing part.

Compared with the prior art, the utility model has one of following advantage:

through the sealing structures additionally arranged on the keyboard component, the window component, the hanging fork assembly and the joint through hole respectively, gaps can be prevented from being generated on the plate body, so that external dust, oil gas, moisture, corrosive gas liquid and rainwater cannot enter the equipment through any position on the plate body, the dustproof and waterproof effects are achieved, and the service life of the equipment is prolonged;

the keyboard assembly, the window assembly and the hanging fork assembly are assembled on the plate body through the sealing adhesive and the fastening screws respectively, so that an integrated assembly structure is formed, compared with a split installation structure, the split installation structure has the advantages that the opening structure of the panel does not need to be changed repeatedly according to different keyboard assemblies, and the problem that the panel and the keyboard are complex to adapt once and for all can be solved;

the keys are placed inside the designated key recesses such that each key area has individual sealing properties.

Drawings

FIG. 1 is a front view of a key panel of the present embodiment;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a front view of the panel of the explosion-proof speaker phone of the present embodiment;

FIG. 5 is a rear view of FIG. 4;

fig. 6 is an exploded view of fig. 4.

The main reference numbers are as follows:

1-a transparent window; 101-rear end portion; 102-a front end portion; 2-keyboard key group; 3-a fork assembly; 4-sealing the joint; 40-terminal through holes; 5-a telephone assembly; 50-telephone handle; 51-telephone line; 6-state display machine core board; 7-hanging fork sealing rubber mat; 8-keyboard sealing rubber mat; 80-key recess; 9-a keyboard plate; 10-a plate body; 11-a window through hole; 12-a keyboard through hole; 13-area of yoke assembly.

Detailed Description

As shown in fig. 1 to fig. 3, the key panel with an integrated structure provided in this embodiment includes a plate body 10, and a keyboard assembly, a window assembly, a hanging fork assembly 3 and a sealing joint 4 which are disposed on the plate body 10.

The plate body 10 is provided with a window through hole 11, a keyboard through hole 12, a hanging fork assembly assembling area 13 and a joint through hole 40.

In this embodiment, the suspension fork assembly mounting area 13 is located on the front area of the board body 10, the window through hole 11, the connector through hole 40 and the suspension fork assembly mounting area 13 are all located above the keyboard through hole 12, and the connector through hole 40 and the suspension fork assembly mounting area 13 are all located on one side of the window through hole 11.

The front end of the window assembly is arranged in the window through hole 11 from the back area of the plate body 10, and the front end face of the front end of the window assembly is arranged in the same direction as the front area of the plate body 10.

A part of the keyboard assembly is disposed in the keyboard through hole 12, and the front end surface of the keyboard assembly is disposed in the same direction as the front area of the board body 10.

In the present embodiment, the window assembly includes a transparent window 1 and a status display core board 6 electrically connected thereto. Wherein, the transparent window 1 is positioned in front of the state display machine core plate 6.

The state display core plate 6 is fixed to the rear surface region of the plate body 10 by a plurality of fastening screws to place the front end portion of the transparent window 1 in the window through hole 11.

In order to increase the sealing performance between the transparent window 1 and the window through hole 11, the transparent window 1 is disposed inside the window through hole 11 by a sealing adhesive.

The transparent window 1 includes a front end 102 and a rear end 101, the rear end 101 is disposed on the back area of the plate body 10 through a sealing adhesive, and the area between the edge of the front end 102 and the window through hole 11 is also filled with the sealing adhesive. The sealing glue forms a first sealing means after curing.

In this embodiment, the sealing adhesive is epoxy adhesive. A sealed whole is formed between the transparent window 1 and the window through hole 11 through epoxy resin glue.

The fork assembly 3 is mounted on the fork assembly mounting area 13 by a plurality of fastening screws such that the fork assembly 3 is disposed on the front area of the plate body 10.

In the present embodiment, a clevis seal gasket 7 (i.e., a third seal member) is also interposed between the clevis assembly 3 and the clevis assembly mounting area 13. The size of the hanging fork sealing rubber gasket 7 is not smaller than that of the rear end face of the hanging fork assembly 3.

By additionally arranging the hanging fork sealing rubber gasket 7, a sealed whole is formed between the hanging fork assembly 3 and the hanging fork assembly assembling area 13.

In the present embodiment, the keyboard assembly includes a keyboard key group 2, a keyboard sealing rubber pad 8 (i.e., a second sealing member), and a keyboard plate 9, and the keyboard key group 2 and the keyboard sealing rubber pad 8 are sequentially stacked on a front end surface of the keyboard plate 9.

In this embodiment, the keypad 2 includes a plurality of keys, and the front end surface of the keypad sealing rubber pad 8 is provided with key grooves 80 having the same number and shape as the keys. After each key is placed in order inside the designated key recess 80, the front end surfaces of the keys protrude to the outside of the key recess 80.

The keyboard plate 9 is disposed behind the back region of the plate body 10 by a plurality of fastening screws, so that each key in the keyboard key set 2 can be disposed in the corresponding keyboard through hole 12, and meanwhile, the front end surface of the keyboard sealing rubber pad 8 is also abutted to the back region of the plate body 10.

Through add the sealed cushion 8 of keyboard in keyboard keypad 2, and the regional looks butt of the back of the preceding terminal surface of the sealed cushion 8 of keyboard and plate body 10, the rear end face looks butt of the sealed cushion 8 of keyboard and the preceding terminal surface of keyboard board 9 for form a sealed whole between keyboard subassembly and the plate body 10. In addition, the keys are placed within the designated key recesses 80 such that each key area has individual sealing properties.

The sealing joint 4 (i.e., the fourth sealing member) is a hollow structure, is disposed inside the joint through-hole 40, and is caught inside the joint through-hole 40. The sealing joint 4 is arranged inside the joint through hole 40, with the front end face of the sealing joint 4 located outside the front area of the plate body 10 and the rear end face of the sealing joint 4 located outside the rear area of the plate body 10.

As shown in fig. 4 to fig. 6, the explosion-proof speaker command intercom panel provided in this embodiment includes the key panel described in fig. 1 to fig. 3 and the telephone assembly 5.

In the present embodiment, the suspension fork assembly mounting area 13 is located on the front area of the board body 10, the window through hole 11, the connector through hole 40 and the suspension fork assembly mounting area 13 are all located above the keyboard through hole 12, and the connector through hole 40 and the suspension fork assembly mounting area 13 are all located on one side of the window through hole 11.

In order to increase the sealing performance between the transparent window 1 and the window through hole 11, the transparent window 1 is arranged inside the window through hole 11 through a sealing adhesive.

The transparent window 1 includes a front end 102 and a rear end 101, the rear end 101 is disposed on the back area of the plate body 10 through a sealing adhesive, and the area between the edge of the front end 102 and the window through hole 11 is also filled with the sealing adhesive.

In this embodiment, a fork sealing cushion 7 is further interposed between the fork assembly 3 and the fork assembly mounting area 13. The size of the hanging fork sealing rubber gasket 7 is not smaller than that of the rear end face of the hanging fork assembly 3.

Through add keyboard seal cushion 8 in keyboard keypad 2, and the regional looks butt of the back of keyboard seal cushion 8 and plate body 10, the rear end face of keyboard seal cushion 8 and the preceding terminal surface looks butt of keyboard board 9 for form a sealed whole between keyboard subassembly and the plate body 10. In addition, the keys are placed within the designated key recesses 80 such that each key region has individual sealing properties.

The sealing joint 4 (i.e., the fourth sealing member) is a hollow structure, which is disposed inside the joint through-hole 40 and is caught inside the joint through-hole 40. The sealing joint 4 is arranged inside the joint through hole 40, with a front end face of the sealing joint 4 being located outside the front region of the plate body 10 and a rear end face of the sealing joint 4 being located outside the rear region of the plate body 10.

The telephone assembly 5 comprises a telephone handle 50 and a telephone line 51 connected thereto. The telephone handle 50 is hung in the hanging area of the hanging fork assembly 3, and the other end of the telephone wire 51 is disposed inside the sealing joint 4.

By adding the sealing joint 4 in the joint through hole 40, a sealing whole body is formed between the telephone assembly 5 and the sealing joint 4.

Through the seal structure who adds on keyboard subassembly, window subassembly, hanging fork assembly 3 and joint through-hole 40 for inside external dust, oil gas, moisture, corrosivity gas-liquid, rainwater all can't invade equipment through the optional position on the plate body 10, reach dustproof, waterproof effect, the life-span of extension equipment.

Keyboard subassembly, window subassembly and hanging fork assembly 3 are assembled on plate body 10 through sealed viscose and fastening screw respectively to form integrated assembly structure, for components of a whole that can function independently mounting structure, this embodiment need not to change panel trompil structure repeatedly according to the keyboard assembly of difference again, the complicated problem of solution panel and keyboard adaptation that can be once and for all.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting, of the present invention. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a keypad of integral structure, which comprises a plate body, and set up the keyboard subassembly on the plate body, the window subassembly, hang fork assembly and joint through-hole, a serial communication port, still include first sealing member, the second sealing member, third sealing member and fourth sealing member, first sealing member contacts with window subassembly and plate body respectively, the second sealing member sets up on the keyboard subassembly, and contact with keyboard subassembly and plate body respectively, the third sealing member is located between hang fork assembly and the plate body, and contact with hang fork assembly and plate body respectively, the fourth sealing member sets up in the inside that connects the through-hole.

2. The key panel with an integrated structure as claimed in claim 1, wherein the panel body further comprises a window through hole, a keyboard through hole and a suspension fork assembly mounting area, at least a portion of the window assembly is disposed inside the window through hole through the first sealing member, at least a portion of the keyboard assembly is disposed inside the keyboard through hole, and the third sealing member is disposed between the suspension fork assembly and the suspension fork assembly mounting area and is in contact with the suspension fork assembly and the suspension fork assembly mounting area, respectively.

3. The unitary construction key panel of claim 2, wherein said first sealing means is formed by a cured sealing adhesive, and a portion of said window assembly is disposed within said window opening by said sealing adhesive.

4. The unified structural key panel of claim 3, wherein said window assembly comprises a state display core and a transparent window, said transparent window passing through said sealing adhesive to dispose at least a portion thereof inside said window through hole.

5. The integrally structured key panel according to claim 4, wherein the keyboard assembly includes a keyboard plate and a keyboard key group, and the keyboard key group and the second sealing member are sequentially stacked on a front end surface of the keyboard plate;

6. The integrated structure key panel according to claim 5, wherein the second sealing member is a keyboard sealing rubber pad, and a plurality of key grooves are formed on a front end surface of the keyboard sealing rubber pad;

7. The unified structural key panel of claim 6, wherein the front end surface of the key protrudes outside the key groove.

8. The unified structural key panel of claim 7, wherein the front face of said fourth sealing member faces the front area of said panel body and the rear face of said fourth sealing member faces the rear area of said panel body.

9. An explosion-proof audio amplifying instruction intercom panel, characterized by comprising the key panel of any one of claims 1 to 8 and a telephone assembly arranged on the key panel.

10. The explosion-proof audio amplifying instruction intercom panel as in claim 9, wherein the telephone assembly comprises a telephone handle and a telephone line connected thereto;

the telephone handle is hung in the hanging area of the hanging fork assembly, and the other end of the telephone line is arranged inside the fourth sealing part.