CN2558061Y

CN2558061Y - Contact type control switch for refrigerator

Info

Publication number: CN2558061Y
Application number: CN 02268260
Authority: CN
Inventors: 王东宁; 李雪鹏; 车进燕; 蒲显开
Original assignee: Haier Group Corp; Qingdao Haier Co Ltd
Current assignee: Haier Group Corp; Qingdao Haier Co Ltd
Priority date: 2002-07-08
Filing date: 2002-07-08
Publication date: 2003-06-25
Anticipated expiration: 2012-07-08

Abstract

Disclosed is a key type control switch of a fridge, belonging to the electric switch field. The utility model which comprises a key and a micro-switch which are arranged on a bracket is characterized in that the bracket is L-shaped and one side of the bracket is a panel; a key hole is arranged in the middle of the panel; a key frame with a positioning hole is arranged on the back of the panel; the key is threaded through the positioning hole and is contacted with one end of an ejector pin which is arranged on the back of the key; a guide frame is arranged on the back of the key frame on which a guide hole is arranged correspondingly to the ejector pin; the support rod is in sliding match with the guide hole; a switch plate is arranged on the back of the guide frame on which a micro-switch is arranged correspondingly to the ejector pin; the other end of the ejector pin is contacted with the micro-switch; the panel, the key frame, the guide frame and the switch plate are connected together through a fastening piece. The utility model which has simple internal structure, low entire production cost, flexible key without unsmooth blockage, long service life and can adjust the distance between the micro-switch and the fridge is applicable to various fridges, freezers and the relative household apparatus field.

Description

Refrigerator button control switch

Technical field

The utility model belongs to the electric switch field, relates in particular to a kind of push-button switch that is used for refrigerator.

Background technology

Existing refrigerator is seldom seen and is adopted that key switch carries out operational mode, parameter is selected and control, but because the key switch volume is little, be convenient to the design and the arrangement space of the integral layout of refrigerator, and its have the life-span long, be convenient to advantage such as operation, making refrigerator select for use key switch to control will become a kind of trend.

Date of declaration is on March 5th, 1997, notification number is that the Chinese patent of CN 2248918 discloses a kind of key switch, it is made up of prime and back level two large divisions, be built-in with button, push rod, biasing device, fixed contact and moving contact, moving contact is connected fixed contact, but there is following deficiency in it:

1. the keycap of button is a rectangle, and its keycap front face area is bigger, influences the attractive in appearance of its integral body when the refrigerator surface arrangement.

2. the employing spring that resets that rebounds of button, the easy fatigue damage of its spring makes the out of control or bite of key switch.

3. overall volume is bigger, and it is bigger to take up space.

The utility model content

Goal of the invention of the present utility model provides the refrigerator button control switch that a kind of keycap front face area is little, spring is economized and do not had to manufacturing materials.

The technical solution of the utility model is: a kind of refrigerator button control switch is provided, comprises the button and the sensitive switch that are arranged on the bracing frame, it is characterized in that: bracing frame is the L type, on one side it is a panel; Have key hole in the middle of the panel, the rear of panel is provided with the keyframe of pressing that has location hole, and button is arranged in the location hole, and push rod one end in contact that is provided with its rear; By the keyframe rear leading truck is set, the pilot hole corresponding with push rod is set on it, push rod and pilot hole are slidingly matched; The leading truck rear is provided with switchboard, and the sensitive switch corresponding with push rod is set on it, and the other end of push rod contacts with sensitive switch; Panel, be coupled as one by securing member by keyframe, leading truck and switchboard.

More than one guide groove is set on the sidewall of wherein said key hole and location hole, and the surface of button is provided with the guiding rib that matches, and guide groove and guiding rib are slidingly matched; The cross section of described button can be rectangle or circle; Key hole on the described panel and the profile of button coupling; Described button by two or more button caps and with it the elastic strip of one constitute, button cap runs through the location hole of pressing keyframe and the key hole of panel; Described panel, by the two ends of keyframe and leading truck be provided with can be successively the hollow type fixed leg of intussusception coupling mutually, three's poststack that is nested successively fastens as one through securing member and switchboard.

Compared with the prior art, the utility model has the advantages that:

1. the whole positive facial contour of key switch is elongated shape, and attractive in appearance, generous, internal structure is simple, practical, saves manufacturing materials, whole low cost of manufacture.

2. there is not the elastic construction design of spring, long service life, not fragile.

3. can control the distance of its rear end sensitive switch by the method for regulating guide rod length, make that the space layout design of refrigerator inside is easier and convenient apart from outcase of refrigerator.

4. adopt elastomeric material to make button, the action force when button is pressed in available buffer or absorption prolongs its useful life to the impact of sensitive switch.

5. button operation mechanism and electric switch separability structurally makes the replacing of its part parts become possibility, helps reducing maintenance cost, alleviates burden for users.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described further.

Fig. 1 is the structural representation of the utility model L type supporting bracket; Fig. 2 is a structural representation of pressing keyframe; Fig. 3 is the structural representation of leading truck; Fig. 4 is the structural representation of button; Fig. 5 is the structural representation of switchboard; Fig. 6 is the structural representation after the utility model assembling.

Embodiment

Among Fig. 1, one side L type supporting bracket 1 is panel 11, the middle part of panel has key hole 12, and more than one guide groove 13 is set on the sidewall of key hole, and the two ends of panel are provided with fixed leg 14, and an end of fixed leg is provided with screw fastener 5.

Among Fig. 2,, more than one guide groove 26 is set on the sidewall of location hole by having location hole 25 on the keyframe 2, button 61 is arranged in the location hole, the surface of button is provided with the guiding rib 62 with the guide groove coupling, and the rear of button is provided with push rod 23, is provided with the fixed leg 22 of hollow by the two ends of keyframe.

Among Fig. 3, have the pilot hole corresponding with the push rod position 32 on the leading truck 3, push rod can slide in pilot hole, can be not crooked, and the two ends of leading truck are provided with the fixed leg 31 of hollow.

Among Fig. 4, button by two or more button caps 61 and with it the elastic strip 63 of one constitute, button cap runs through the location hole of pressing keyframe and the key hole of panel, and the surface of button is provided with the guiding rib 62 with

guide groove

13,26 couplings, and the rear of button is provided with push rod 23.In use, the guiding rib on the upper and lower surface of button is arranged on the restriction of the guide groove on location hole and the key hole sidewall, can only before and after vertically move, can not about laterally move.

Among Fig. 5, the sensitive switch 41 corresponding with the push rod position is set on the switchboard 4, the other end of push rod contacts with the button of sensitive switch, and the two ends of switchboard are provided with fixing hole 42.

Among Fig. 6, panel 11, by the two ends of keyframe 2 and leading truck 3 be provided with can be successively the hollow type fixed

leg

14,22,31 of intussusception coupling mutually, three's poststack that is nested successively fastens as one through securing member 6 and switchboard 4.

Button and guide post thereafter can be integral type, also can be split type.Button cap can adopt rigid material, also can adopt identical with elastic strip or similar elastomeric material to make.Guide post, L type supporting bracket, all adopt rigid material to make by keyframe, leading truck and switchboard.

Install successively with L type supporting bracket, by keyframe, button, guide post and leading truck and switchboard and to assemble the back and become one with screw is fastening, the preposition of packing into connects the connecting line of sensitive switch and control circuit board, can use.

When certain parts damages because of long-term use causes wearing and tearing or improper use to cause, only need these parts of replacing to get final product, thereby reduced maintenance cost and cost.Simultaneously, owing to adopted general sensitive switch finished product, the accessory that can reduce refrigerator manufacturer is produced the kind of accessory, and it is supporting to select the manufacturer of high-quality sensitive switch product to carry out as the fittings supply merchant, has reduced the supporting difficulty of production cost and accessory.

The utility model internal structure is simple, whole low cost of manufacture, the button activity flexibly, bite not, long service life.Can be widely used in various refrigerators, ice box and associated appliance product scope.

Claims

1. a refrigerator button control switch comprises the button and the sensitive switch that are arranged on the bracing frame, it is characterized in that:

Bracing frame is the L type, on one side it is a panel;

Have key hole in the middle of the panel, the rear of panel is provided with the keyframe of pressing that has location hole, and button is arranged in the location hole, and push rod one end in contact that is provided with its rear;

By the keyframe rear leading truck is set, the pilot hole corresponding with push rod is set on it, push rod and pilot hole are slidingly matched;

The leading truck rear is provided with switchboard, and the sensitive switch corresponding with push rod is set on it, and the other end of push rod contacts with sensitive switch;

Panel, be coupled as one by securing member by keyframe, leading truck and switchboard.

2. according to the described refrigerator button of claim 1 control switch, it is characterized in that on the sidewall of described key hole and location hole more than one guide groove being set, the surface of button is provided with the guiding rib that matches, and guide groove and guiding rib are slidingly matched.

3. according to the described refrigerator button of claim 2 control switch, it is characterized in that the cross section of described button can be rectangle or circle.

4. according to the described refrigerator button of claim 3 control switch, it is characterized in that the key hole on the described panel and the profile coupling of button.

5. according to claim 1,2,3 or 4 described refrigerator button control switchs, it is characterized in that described button by two or more button caps and with it the elastic strip of one constitute, button cap runs through the location hole of pressing keyframe and the key hole of panel.

6. according to the described refrigerator button of claim 1 control switch, it is characterized in that described panel, by the two ends of keyframe and leading truck be provided with can be successively the hollow type fixed leg of intussusception coupling mutually, three's poststack that is nested successively fastens as one through securing member and switchboard.