CN1521476A

CN1521476A - Touch type switch and refrigerator having the same

Info

Publication number: CN1521476A
Application number: CNA2003101164937A
Authority: CN
Inventors: 野中光
Original assignee: Toshiba Corp; Toshiba Consumer Marketing Corp; Toshiba Home Appliances Corp
Current assignee: Toshiba Corp; Toshiba Consumer Marketing Corp; Toshiba Lifestyle Products and Services Corp
Priority date: 2002-11-22
Filing date: 2003-11-20
Publication date: 2004-08-18
Anticipated expiration: 2023-11-20
Also published as: TWI229880B; TW200418069A; JP2004178822A; KR20040045345A; CN1270156C; KR100518689B1

Abstract

A circular dish shaped base main body(13) is mounted an opening perforated on a surface plate(6). An approximate semicircular touch panel(11) is press mounted along an arc part of an inside surface of the circular dish shaped base main body so as to move back and forth. A signal switch(16) is attached to a bottom surface of a dish part of the base main body corresponding to the touch panel. A moving plate(21) changes operation of the signal switch due to rotation by spring force. Engaging hooks are installed apart on each side of the moving plate. Engaging shafts are depressed toward the base main body and rotated and then returned forward by spring force to engage with the engaging hooks and to prevent the rotation of the touch panel. The signal switch is operated by pressing or pulling the touch panel.

Description

Contact witch and have the refrigerator of contact witch

Technical field

The present invention relates to according to the operation of touch pad being made the contact witch of signalizing activity mechanism action and having the refrigerator of contact witch.

Background technology

In recent years, along with the variation of reserve temperature band,, is furnished with the refrigerator commercialization of the decoration element of the operation display panel of temperature control usefulness and the touch operation plate of the automatic unlatching usefulness of door etc. in the setting of face in front of the door of sealing the body front openings from aspect easy to use.

The touch pad of this decoration element, the operating surface that has the comparison broadness on easy to use, and the structure shown in special 2001-22075 of hope of the Japan Patent that had in the past just existed the applicant to apply for and the special 2002-235196 of hope, as shown in Figure 7, rotating freely movable platen 61 to the actuator action that makes sensitive switch 56 on the matrix 53 that is fixed in opening such as surface plate of door carries out axle and supports, the touch pad 51 that will have the support 51b that engages with the fastener 61b of the rotation other end that is formed at movable platen is provided in the opening part of surface plate, with the fastener orthogonal of movable platen pitman shaft 59 rotations are located on the matrix 53 freely, go out to support touch pad 51 by its fastening groove 57 is engaged with pitman shaft 59 at opening and also can move forward and backward, utilize push action to make the push-button switch action simultaneously.

And, fastener 61b with movable platen 61 is a fulcrum, the support 51b of touch pad 51 made to the side establish the groove of opening, by sliding support 51b is engaged with the fastener 61b that becomes fulcrum along opening surface, simultaneously by touch pad is pushed to plate box direction, and make fastening groove 57 and pitman shaft 59 chimeric and form blocking.

That is, any situation all is the structure that touch pad 51 is engaged with from horizontal parallel mobile slip with matrix 53, when setting on the surface of refrigerator doors etc., is to make its engaging and be enclosed in structure on the matrix that is loaded on the door from its sidepiece portion of opening slip.

But will be when leaving the central portion configuration touch pad of a surface periphery, be willing to shown in the 2002-235196 as the spy, formation blocking in advance is slidingly fastened touch pad 51 and matrix 53, only install or be enclosed in the surface plate of door, thereby be subjected to the equipping position of handle and the qualification of outward appearance with guidance panel etc. from the opening of surface plate of door the inside.

In addition, for touch pad being installed being disposed on the matrix that leaves ora terminalis part, doing to become and slide and, impair outward appearance to the outstanding structure in door surface from face in front of the door.

Summary of the invention

Consider the problems referred to above, the objective of the invention is to, provide a kind of on the opening and matrix of the interior position that is disposed at the circumference that leaves surface plate of door, can the contact witch of touch pad be installed from the front and have the refrigerator of contact witch.

In order to solve above-mentioned problem, the contact witch of technical solution of the present invention 1 is characterized in that, comprising: the matrix that is installed in the circular discoid of the opening part that is arranged in surface plate; Along the arc sections of matrix inner face, be mounted to roughly semicircular touch pad by moving forward and backward by pressure energy; Be installed in signaling switch with the dish portion bottom surface of the corresponding matrix of substantial middle portion of touch pad; With this signaling switch in abutting connection with and be bearing in either party, the rotation that produces by spring force and movable platen that the action of signaling switch is changed of touch pad and matrix by axle; Many groups the grab that is arranged at either party the both sides branch of described movable platen of touch pad and matrix; Be located at the opposing party, go into rotate the back to the matrix side pressure and engage with described grab by returning the place ahead stoping the engaging axle of touch pad rotation by spring force, by touch pad push or the stretched operation of ora terminalis moves signaling switch.

Adopt said structure, touch pad can not slide and engage with matrix from the portion of opening of surface plate side, and the opening part set in the position of leaving the surface plate circumference can be installed simply from front face side, and structure and assembling are simplified, the realization cost degradation.Can obtain simultaneously to touch board and make circular futuramic contact witch.

Technical solution of the present invention 2, it is characterized in that, the string portion that fastener or grab are configured in semicircle touch pad nearby about, grab or fastener that will be relative with it be located on the matrix, and other fastener or grab be located near the arc sections with the described string portion opposition side of touch pad, under with the touch pad state that angle staggers in accordance with regulations, overcome spring force and be pressed in the matrix, in accordance with regulations after the angular turn by returning the place ahead with spring force, and described each fastener is engaged with grab, so the installation of touch pad is simple, and touch any position and can both carry out the push action of switch reliably, and can upgrade.

Technical solution of the present invention 3, it is characterized in that, string portion at semicircle touch pad nearby is provided with the engaging axle parallel with string portion, the card relative with it is set on matrix ends grab, with arc sections described string portion opposition side only fin of card is set nearby touch pad, on matrix, be provided with this card card that only fin is relative and end grab, the spring force by making the movable platen that is located at the signaling switch action nearby of engaging axle and the application of force that is configured in the arc sections spring member nearby of string portion opposition side stop touch pad to rotate simultaneously, to always remain the state of up pushing from the dish portion bottom surface of matrix, so circular touchpad can be configured on the matrix stably movably.

Technical solution of the present invention 4, it is characterized in that, by fixing of plate block that the bottom, gap of the fore-and-aft direction that utilize to rotate the string portion that engage touch pad that keeps and matrix is sealed, to stop touch pad to rotate, therefore, the touch pad that can prevent to be in the state of being maintained fixed more reliably rotates coming off from the matrix because of pushing.

Technical solution of the present invention 5, it is characterized in that, from the prominent fin of establishing specified altitude in the dish portion bottom surface of matrix, to surround the top at least of the signaling switch that is installed on the matrix, and the upright reinforcement that overlaps in short transverse that is provided with of periphery of the described fin of the inside side of the touch pad that keeps in engaging, therefore, even water etc. are just in case from invading with the gap of the opening of touch pad periphery, also can prevent to flow into the signaling switch part, avoid influences such as electric leakage.

Technical solution of the present invention 6, it is characterized in that, abut against matrix on the opening that is arranged in surface plate of door from the door inner face side, the ora terminalis that clips described opening by escutcheon is fixed, the heat-barrier material foam filling after being installed, the door inner space of matrix is installed touch pad, and make signaling switch action by the stretched operation of pushing touch pad or ora terminalis, and make the door opening mechanism action of refrigerator, can efficiently and carry out the assembling of touch operation switch simply.

Description of drawings

Fig. 1 is the outward appearance front view of the refrigerator of expression the present invention one example.

Fig. 2 is the exploded perspective view of the touch board of expression refrigerating-chamber door shown in Figure 1.

Fig. 3 is the cutaway view of the A-A line of Fig. 1.

Fig. 4 sees that from square in front of the door Fig. 3 touches the front view of board.

Fig. 5 is the front view of the touch pad of presentation graphs 4 in installment state.

Fig. 6 is the transverse sectional view with a part with touch pad pressed state shown in Figure 3.

Fig. 7 is the stereogram of the traditional touch pad of expression in installment state.

Embodiment

Example below in conjunction with the touch pad of description of drawings refrigerator of the present invention.In Fig. 1, the refrigerator body 1 of representing its outward appearance front view is, be provided with at topmost and hold the refrigerating chamber 2 of preserving chilled food, in its underpart, dispose the storeroom of reserve temperature according to the rules such as vegetable compartment 3 and refrigerating chamber 4, and the front openings in each chamber is equipped with door, simultaneously in the front openings of described refrigerating chamber 2, a side is journaled into the refrigerator body side with hinge door 5 is installed.

Refrigerating-chamber door 5 is made of sheet metal, be used in the surface plate 6 formation outer surfaces that limit, the left and right sides rearward roughly is the コ oxbow, establish the

doorframe

7,8 of each end face opening of sealing at the upper and lower side of this appearance panel 6, while is in the refrigerating chamber inboard of door, form the little shelf that holds stored goods at interior side's configuration door inner panel 9, the spatial portion that forms between these each members constitutes by the foam filled heat-barrier material of being made up of urethane foam 10.

The lower face of tossing about at the hinge of surface plate 6, the A-A line section of exploded perspective view and Fig. 1 shown in Figure 3 as shown in Figure 2, being provided with circular opening 12, to be used to install the handle of opening door 5 be touch pad 11, disposes matrix 13 in heat-barrier material 10 sides of opening 12 and be made of synthetic resin and form the opening footpath that coincide with the opening ora terminalis and to the cave in spatial accommodation of plate-like of prescribed depth of heat-barrier material side.

Periphery at matrix 13, be formed with and the flange part 13a of the opening 12 the inside butts of surface plate and several protruding fin 13b that are used to locate, and this projection fin 13b and the breach 12a that is formed at described opening periphery coincide and matrix 13 is remained on assigned position.

Front face side at opening 12 disposes escutcheon 14, the stage portion that this escutcheon 14 was provided with and was formed at the opening inner face of matrix 13 is coincide and is become same inner peripheral surface and the circumference fin 14a and the flange part 14b that rise and be shaped, by making the calvus 14c of number place that are darted at circumference fin 14a periphery and the shrinkage pool 13c engaging of matrix 13 sides, between flange part 14b, the 13a of described escutcheon 14 and matrix 13, clip opening 12 peripheries of surface plate and described 3 parts are fixed as one.

At this moment, be circular transferring to make one of concavo-convex holding section, number place become big or elongated by containing opening 12 each part to carry out the location of each part.

The spatial accommodation of the circular discoid of matrix 13, about dividing into from the prominent separation rib 13d that establishes in bottom surface, and be made as hand touch portion 15 with a side, simultaneously the central portion of the floor space 13e of opposite side by keeping lug the push button sensitive switch 16 that is fixed dismantledly, being screwed grab 17 near described separation rib 13d can leave up and down, engages opening 17a simultaneously mutually towards reverse opening.

In addition, seeing shown in the front view of matrix 13 from face in front of the door as shown in Figure 4 is to be equipped with integratedly with matrix between arc sections that separation rib 13d tosses about and sensitive switch 16 that a little leaves and make 2 hooking clips 18 of fastener under shed along arc sections.

Opposite side at described separation rib 13d, peristome disposes consistently with the shape that is horseshoe-shaped spatial accommodation 13e above the spatial accommodation 13e that push-button switch 16 is set, and forms the 11a of the string portion touch pad 11 of semicircular in shape roughly only extend touch in one's hands space side simultaneously.

The inside at this touch pad 11, be provided with engaging axle 19 that engages with described grab 17 and the fastener 20 that engages with hooking clip 18, simultaneously with described sensitive switch 16 adjacency, rotate the movable platen 21 that supports the pressing tablet 21a of the actuator 16a that is provided with push switch freely by fulcrum 22, utilization is installed on spring 23 power of part of movable platen 21 and the actuator 16a of push switch all the time, and is adapted to and utilizes described spring force and make the back face wall 21b of movable platen 21 rotate outstanding to the bottom surface side of matrix 13.

Make from described back face wall 21b relative dispose of the prominent movable platen supporting slice of establishing 25 in the dish portion bottom surface of matrix 13 with movable platen.

In addition, between 2 clamping hooked sheets 18 of the arc sections of the 11a of the string portion opposition side that is arranged at described touch pad, at fore-and-aft direction compression spring 26 is set towards opening, and utilize the fin 11b of the inside be darted at the touch pad 11 relative with this compression spring 26, and with the elastic force of the spring 23 that is installed on described movable platen 21 together with the touch pad 11 of normal mounting state with respect to matrix 13 forwards side be that opening 12 sides are up pushed.

In opening 12 the insides of surface plate 6, be close to matrix 13, under front engaging escutcheon 14 and becoming one state, by on inject the stoste of heat-barrier material and foam filled and form insulated door in the space that surrounds of

lower door frame

7,8 and door inner panel 9.

When touch pad 11 is installed, as shown in Figure 5, than the normal mounting position predetermined angular configuration touch pad that staggers to the left, and overcome the spring force of movable platen 21 and the compression spring force between 2 clamping hooked sheets 18 is pressed in the matrix 13, after rotating predetermined angular to the right, the state that is pressed into rely on spring force to return the place ahead, make described each 7 fastener and grab, be grab 17 with engage spools 19, hooking clip 18 engages with fastener 20, install with respect to the rotation of matrix 13 with prevention touch pad 11.

The 28th, the plate block embeds engaging groove 29 and seals the gap, and this engaging groove 29 is formed on the bottom, gap that utilizes described rotation and engage the fore-and-aft direction of the 11a of string portion of touch pad 11 of maintenance and matrix 13, and is screwed from the outside.Stop touch pad 11 to rotate by this plate block 28 toward the direction that comes off, can prevent reliably that the touch pad 11 that leans on snap-in structure and spring force to be in the state of being maintained fixed from coming off from matrix 13 because of pushing to rotate, and carries out the assembling operation on matrix 13 of touch pad 11 easily.

Through installing like this, touch pad 11 is controlled come-up forwards by described each engaging and the spring force and the compression spring 26 of movable platen 21, and the face that is configured in surface plate 6 along the inner face arc sections of matrix 13 is with on the one side substantially, can move forward and backward and be held with respect to the matrix face simultaneously.

Be in the butt state from the back face wall 21b of described supporting slice 25 and movable platen, the any part that presses touch pad 11 all can overcome the elastic force of spring 23 and compression spring, if be pressed into the matrix side, then the longitudinal section by the common state of Fig. 3 becomes as shown in Figure 6, movable platen 21 is that fulcrum rotates with fulcrum 22, the actuator 16a that leaves push-button switch as pressing tablet 21a is promptly to the control circuit "on" position, thereby the outward appearance of the touch pad 11 relative with matrix 13 improves, and can improve the grade of action simultaneously.

Touch pad 16 is pushed touch operation and the action of the sensitive switch 16 that produces, solenoid interlock with the door opening device 30 on the hinge opposition side top that is located at refrigerator main body 1, describe in detail and omit, i.e. push-button switch energising by making signalizing activity portion, solenoid is carried out excitation, the upper surface of the forwards outstanding and thrust door 5 of the protruding pin of iron core so that its open.

In addition, as Fig. 2, shown in Figure 3, sidepiece at touch pad 11 forms hand touch portion 15 by the separation rib 13d in the matrix, when finger is put into hand touch portion 15 when making pull operation, the engaging axle 19 that engages with grab 17 becomes fulcrum tilts touch pad 11, and movable platen 21 rotates, and pressing tablet 21a leaves actuator 16a and makes sensitive switch 16 actions thus, just in case door opening device 30 breaks down also can non-touch operation mode, opens door with finger.

In addition, be equipped with the guiding fin 31 of specified altitude in the dish portion bottom surface of matrix 13, surrounding the top at least of the sensitive switch 16 after the installation, the inside side of the touch pad 11 that keeps in engaging is erect in the periphery of described guiding rib and to be provided with the fin 11c that overlaps in short transverse.Even this structure water etc. are just in case invade from the gap of touch pad 11 peripheries and escutcheon 14, the water of intrusion also can flow down along guiding fin 31, therefore can prevent to flow into switch 16 parts, avoids generations such as electric leakage.

Employing example as touching type switch apparatus, above-mentioned example is that the door opening device to refrigerator is described, but the invention is not restricted to this, the contact witch that has more extensive operations area applicable to the building beyond kitchen and other storage vault and vehicle, electronic equipment etc., the controlling object thing also is not limited to door opener, comprises that the contact witch of various operations of the hand switch of monitor also can adopt.

In addition, the switch of controlling object is described as embodiment with the push button sensitive switch above-mentioned, but be not limited thereto, the signalizing activity switch of optics step switch etc. is also applicable, has again, the relation of each fulcrum and bearing portion is not subjected to the qualification of embodiment yet, and relation also can on the contrary certainly.

As described above, adopt contact witch of the present invention, touch pad can not slide and engages with matrix from the portion of opening of surface plate side, and the opening part set in the position of leaving the surface plate circumference can be installed simply from front face side, and structure and assembling are simplified, can be realized cost degradation.Can obtain simultaneously to touch board and be circular futuramic contact witch.

Also can obtain efficient and ground assembling touch operation switch and simple refrigerator doors device for opening.

Claims

1. a contact witch is characterized in that, comprising: the matrix that is installed in the circular discoid of the opening part that is arranged in surface plate; Be mounted to the touch pad of the roughly semicircular in shape that can move forward and backward by pushing along the arc sections of matrix inner face; Be installed in the signaling switch on the dish portion bottom surface with the corresponding matrix of substantial middle portion of touch pad; With this signaling switch in abutting connection with and axle be bearing in either party, the rotation that produces by spring force and movable platen that the action of signaling switch is changed of touch pad and matrix; The array grab that is arranged at either party the both sides branch of described movable platen of touch pad and matrix; Be located at the opposing party, go into rotate the back to the matrix side pressure and engage with described grab by returning the place ahead stoping the engaging axle of touch pad rotation by spring force, by touch pad push or the pull operation of ora terminalis is moved signaling switch.

2. contact witch according to claim 1, it is characterized in that, the string portion that fastener or grab are configured in semicircle touch pad nearby about, grab or fastener that will be relative with it be located on the matrix, and other fastener or grab be located near the arc sections with the described string portion opposition side of touch pad, under with the touch pad state that angle staggers in accordance with regulations, overcome spring force and be pressed in the matrix, return the place ahead by spring force after the angular turn in accordance with regulations described each fastener is engaged with grab.

3. contact witch according to claim 1 and 2, it is characterized in that, string portion at semicircle touch pad nearby is provided with the engaging axle parallel with string portion, on matrix, be provided with the grab relative with it, with arc sections described string portion opposition side only fin of card is set nearby touch pad, on matrix, be provided with this card and end the relative grab of fin, and the spring force by making the movable platen that is located at the signaling switch action nearby of engaging axle and the application of force that is configured in the arc sections spring member nearby of string portion opposition side stop touch pad to rotate, and is held in the state of up pushing from the dish portion bottom surface of matrix with setting.

4. contact witch according to claim 3 is characterized in that, by the fixed head block, seal the bottom, gap of the string portion of its touch pad that engaging keeps to utilizing rotation and the fore-and-aft direction of matrix, rotates to stop touch pad.

5. contact witch according to claim 1, it is characterized in that, from the prominent fin of establishing specified altitude in the dish portion bottom surface of matrix, to surround the top at least of the signaling switch that is installed on the matrix, at the upright reinforcement that overlaps in short transverse that is provided with of the described fin periphery of the inside side that engages the touch pad that keeps.

6. contact witch according to claim 1, it is characterized in that, matrix is close to the opening part that is arranged in surface plate of door from the door inner face side, clip the ora terminalis of described opening and fix by escutcheon, after the foam filled heat-barrier material in door inner space of matrix is installed, touch pad is installed, and make signaling switch action by the pull operation of pushing touch pad or ora terminalis, make an opening mechanism action.