CN2845137Y - A kind of door switch structure - Google Patents
A kind of door switch structure Download PDFInfo
- Publication number
- CN2845137Y CN2845137Y CN 200520119539 CN200520119539U CN2845137Y CN 2845137 Y CN2845137 Y CN 2845137Y CN 200520119539 CN200520119539 CN 200520119539 CN 200520119539 U CN200520119539 U CN 200520119539U CN 2845137 Y CN2845137 Y CN 2845137Y
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- CN
- China
- Prior art keywords
- contact
- terminal
- housing
- sincere
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a kind of door switch structure, comprise on housing and the housing by sincere, outside the housing top cover is exposed at the housing top cover, push the compression spring by sincere by sincere moving up and down, the compression spring be arranged at by in the sincere shell.The end that the compression spring stretches in the housing is connected with movable thimble, movable thimble has switch contact mechanism, the contact that switch contact mechanism comprises two-terminal and is used to connect the two-terminal conducting, contact one end and a terminal are fixed together, the other end of contact is a free end, free end is arranged on another below that is provided with the terminal of contact, and the contact below is provided with back-moving spring.The utility model is simple in structure, the connection that realizes switch that is communicated with of free end with a terminal contact by contact, and switch performance is stable, and processing cost is low.
Description
Technical field
The utility model relates to the switching technique field, is specifically related to the pressure door switch that uses on the household electrical appliance chamber doors such as refrigerator, refrigerator.
Background technology
Door switch refers in particular to the switch on the domestic appliance doors such as being applied in refrigerator, refrigerator, and when appliance door was closed, the door switch back switch inner contact that is pressed disconnected, and closes gate light thereby also disconnected by devices such as the gate light electricity loop of switch control; And when opening appliance door, door switch contacting gate light is just lighted, and has not only made things convenient for and has used but also energy savings.
Door switch shown in Figure 1 is common a kind of in present market, under the switch connection state, press by sincere 1, make 4 compressions of compression spring, compress spring promotion activity thimble 5 then and move downward, be positioned at moving downward of movable thimble on the contact 8, will press contact and move downward, after connecting contact 8 between two terminals 9 and moving down, just change off-state between two terminals from on-state; After removing by the power on sincere, be positioned at the contact bottom back-moving spring 7 since before contact move down, the spring potential energy that is produced that shortens discharges, and will push away on the contact, contact is connected two terminals that disconnected just now once again, this switch just is in on-state again.But this type of switch has two pairs of contacts that connect conducting, and contact often occurring in the actual act process can not balance move the disconnected phenomenon of the sudden strain of a muscle that is caused, and has shortened the life-span of switch greatly.And these two pairs of contacts of door switch needs, make the contact cost also high relatively.
Be provided with abundant insulation distance between the switch terminal position of the disclosed a kind of refrigerator door switch of China's CN02120949.9 patent " refrigerator door switch " and the electric refrigerator housing body, help preventing that problems such as the damage of electric component and user's electric shock from taking place, more meet the safety requirements requirement.The disconnection closure of this refrigerator door switch is to contact with the pair of contact of movable terminal by fixed terminal to realize conducting, it is the rotation realization that drives mouth by terminal that but its movable terminal is opened with contacting of fixed terminal, and terminal drives the left-right rotation of mouth, could realize the mechanical transmission structure complexity again by means of moving up and down of shell inside portion.
The utility model content
Technical problem to be solved in the utility model provides the door switch structure that a kind of contact cost is low and contacting is effective.
The utility model is achieved through the following technical solutions:
Design a kind of door switch structure, comprise on housing and the housing by sincere, outside the housing top cover is exposed at the housing top cover, push the compression spring by sincere by sincere moving up and down, the compression spring be arranged at by in the sincere shell.The end that the compression spring stretches in the housing is connected with movable thimble, movable thimble has switch contact mechanism, the contact that switch contact mechanism comprises two-terminal and is used to connect the two-terminal conducting, contact one end and a terminal are fixed together, the other end of contact is a free end, be arranged on the below of another terminal, this terminal is provided with the contact, and the contact below is provided with back-moving spring.By pushing compression spring and resetting of back-moving spring and can realize switching on and off of contact free end and terminal contact by sincere.
The utility model compared with prior art has following remarkable advantage:
Switch contact of the present utility model mechanism by the contact free end be fixed on housing in the contact of a terminal contact the unlatching closure that realizes switch, simple in structure, and because of having only the pair of contact contact, avoided having reduced the contact cost simultaneously because of the disconnected phenomenon of the uneven sudden strain of a muscle that causes of bridge architecture two end in contact.Hollow out not around the housing of this construction of switch adopts thin even housing wall continuously, has improved structural strength, simplifies mould structure, and does not increase the materials amount of housing.
Description of drawings
Fig. 1 is the profile of prior art door switch;
Fig. 2 is a profile of the present utility model;
Fig. 3 is a decomposing schematic representation of the present utility model.
Embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
Shown in Fig. 2-3, a kind of door switch structure, comprise on housing 3 and the housing by sincere 1, housing top is provided with top cover 2, and the bottom is provided with base 6, and housing wall is designed to continuously barrel-like structure uniformly, the housing wall of comparing hollow out is convenient to processing, and has simplified mould structure.
Housing top cover middle part is provided with through hole, runs through from through hole by sincere, and reaches outside the housing top cover.By being provided with a compression spring 4 in the sincere shell, push by sincere time compression telescopic spring, move up and down by sincere, the end that the compression spring stretches in the housing is connected with movable thimble 5, the lower end of movable thimble acts on the contact 8 of described switch contact mechanism, one end of contact and a terminal 91 are fixed together, the other end of contact is a free end, the contact free end is " Z " font, be arranged on the below of another terminal 92, this terminal is provided with contact 10, and the contact free end of " Z " font is convenient to contact with terminal contact 10.The back-moving spring 7 that the contact below is provided with is fixed on the base of housing.Push and promote the contact free end by the movable thimble in sincere back and move down, and back-moving spring resets the contact free end.
Movable thimble of the present utility model is " protruding " font, is provided with through hole in the middle of the contact, and contact is placed in by the through hole that is provided with in the middle of it on lug boss of the movable thimble of " protruding " font, and the lug boss of movable thimble is insinuated in the back-moving spring under the contact.
The course of work of door switch of the present utility model is as follows: under the initial switch on-state, press switch by sincere, make the compression spring stress by sincere moving down, the movable thimble that the compression spring will promote the lower end moves down, the lower end of movable thimble acts on the contact 8, because an end of contact is fixed on the terminal 91, the other end is in free state, the moving down of movable thimble then drives the contact free end and moves down, move down along with contact is free-ended, the free end that originally contacts with the contact 10 of terminal 92 will break away from terminal contact 10, and the connection between the two-terminal just is disconnected.
And when remove be added in by the power on sincere after, the compression potential energy that is loaded in the back-moving spring below the contact will discharge, and makes and moves on the contact free end, moves on contact is free-ended and will terminal 91,92 be connected once again, switch enters on-state once more.
The utility model is simple in structure, and the UNICOM by a contact free end and a terminal realizes the connection of switch, and switch performance is stable, and processing cost is low.
Claims (4)
1, a kind of door switch structure, comprise on housing (3) and the housing by sincere, moving up and down by sincere (1) through housing top cover (2) and be exposed at outside the top cover, by being provided with compression spring (4) in the sincere shell, the end that the compression spring stretches in the housing (3) is connected with movable thimble (5), movable thimble has switch contact mechanism, it is characterized in that: the contact (8) that described switch contact mechanism comprises two-terminal and is used to connect the two-terminal conducting, contact one end and a terminal (91) are fixed together, the other end of contact is a free end, be arranged on the below of another terminal that is provided with contact (10) (92), the contact below is provided with back-moving spring (7).
2, door switch structure according to claim 1 is characterized in that: described contact (8) is placed in by the through hole that is provided with in the middle of it on lug boss of the movable thimble of " protruding " font, and the lug boss of movable thimble is insinuated in the back-moving spring under the contact.
3, door switch structure according to claim 2 is characterized in that: described contact free end is " Z " font.
4, door switch structure according to claim 3 is characterized in that: described housing wall is continuously uniform barrel-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119539 CN2845137Y (en) | 2005-11-26 | 2005-11-26 | A kind of door switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119539 CN2845137Y (en) | 2005-11-26 | 2005-11-26 | A kind of door switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2845137Y true CN2845137Y (en) | 2006-12-06 |
Family
ID=37487081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520119539 Expired - Lifetime CN2845137Y (en) | 2005-11-26 | 2005-11-26 | A kind of door switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2845137Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184784A (en) * | 2011-05-10 | 2011-09-14 | 贵州航天电器股份有限公司 | Status indication switch |
| CN113078014A (en) * | 2021-03-18 | 2021-07-06 | 南京金龙客车制造有限公司 | Door knob switch with interlocking device and control method |
-
2005
- 2005-11-26 CN CN 200520119539 patent/CN2845137Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184784A (en) * | 2011-05-10 | 2011-09-14 | 贵州航天电器股份有限公司 | Status indication switch |
| CN113078014A (en) * | 2021-03-18 | 2021-07-06 | 南京金龙客车制造有限公司 | Door knob switch with interlocking device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHUANGLE ELECTRONIC INDUSTRY (HUIZHOU) CO., LTD. Free format text: FORMER OWNER: HUIDA ELECTRIC MACHINERY (HUIZHOU) CO., LTD. Effective date: 20080815 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080815 Address after: Longhu Development Zone, Shuikou Town, Guangdong City, Huizhou Province, China: 516005 Patentee after: Chuangle Electronic Industrial (Huizhou) Co., Ltd. Address before: Huizhou Huida electromechanical (Huizhou) Co., Ltd., Longhu Development Zone, Guangdong, China: 516005 Patentee before: Huida Electric Machinery (Huizhou) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20061206 |
|
| EXPY | Termination of patent right or utility model |