阅读说明：本技术 一种洗衣机的旋钮结构用支撑结构 (Support structure for knob structure of washing machine ) 是由 汤志鸣 于 2020-05-27 设计创作，主要内容包括：本发明涉及一种洗衣机的旋钮结构用支撑结构,洗衣机的旋钮结构包括旋钮组件、按压组件、显示屏组件、编码器和PCBA板,所述旋转组件可将下按的力传递按压组件,所述PCBA板位于按压组件下方,按压组件的开关按键与PCBA板电性连接,并在按压组件受到外力下降时,开关按键开启,并且确定显示屏组件上的命令,所述的支撑结构设置在开关按键上方的按压组件的开关支架内,用于传递按压组件的下按的压力,其特征在于:所述的支撑结构包括硬质的滑块、弹性件以及支架结构,所述的开关支架在顶面和底面分别具有进口通道和出口,所述的滑块可滑动的安装在进口通道内,本发明结构简单,使用方便。(The invention relates to a supporting structure for a knob structure of a washing machine, which comprises a knob component, a pressing component, a display screen component, an encoder and a PCBA board, wherein a rotating component can transmit the downward pressing force to the pressing component, the PCBA board is positioned below the pressing component, a switch key of the pressing component is electrically connected with the PCBA board, the switch key is opened when the pressing component is descended by external force, and a command on the display screen component is determined, the supporting structure is arranged in a switch bracket of the pressing component above the switch key and used for transmitting the downward pressing pressure of the pressing component, and the supporting structure is characterized by comprising a hard sliding block, an elastic component and a bracket structure, the switch bracket is respectively provided with an inlet channel and an outlet on the top surface and the bottom surface, and the sliding block is slidably arranged in the inlet channel, is convenient to use.)

1. A supporting structure for a knob structure of a washing machine comprises a knob component, a pressing component, a display screen component, an encoder and a PCBA board, wherein a rotating component can transmit the downward pressing force to the pressing component, the PCBA board is positioned below the pressing component, a switch key of the pressing component is electrically connected with the PCBA board, the switch key is opened when the pressing component is descended by external force, and the command on the display screen component is determined, the supporting structure is arranged in a switch bracket of the pressing component above the switch key and used for transmitting the downward pressing force of the pressing component, the supporting structure is characterized by comprising a hard sliding block, an elastic piece and a bracket structure, the switch bracket is respectively provided with an inlet channel and an outlet on the top surface and the bottom surface, the sliding block is slidably arranged in the inlet channel, the elastic piece is fixedly arranged on the center of the bottom surface of the sliding block, the elastic piece penetrates through the outlet and can be detachably abutted against the switch key, the support structure comprises four support members, a bottom track and an upper guide rod, the four support members are respectively a first support member, a second support member, a third support member and a fourth support member, the four support members comprise a first rod piece, a second rod piece, a spring and a mounting sleeve, the bottom ends of the first rod piece and the second rod piece are hinged with mounting blocks, four bearing seats are fixedly arranged on the bottom surface array of the sliding block and are avoided from the elastic piece, the four bearing seats are arranged into four vertexes of a rectangle and respectively comprise a first bearing seat, a second bearing seat, a third bearing seat and a fourth bearing seat, the first rod piece and the second rod piece of the first support member are respectively rotatably mounted on the front surfaces of the first bearing seat and the second bearing seat, and the first rod piece and the second rod piece of the second support member are respectively rotatably mounted on the first bearing seat and the second bearing seat The back of the bearing seat, the first rod piece and the second rod piece of the third support component are respectively and rotatably arranged on the front of the third bearing seat and the front of the fourth bearing seat, the first rod piece and the second rod piece of the fourth support component are respectively and rotatably arranged on the back of the third bearing seat and the back of the fourth bearing seat, the upper parts of the first rod piece and the second rod piece are both provided with bulges, the mounting sleeve is slidably arranged on the lower parts of the first rod piece and the second rod piece, the spring is sleeved on the first rod piece and the second rod piece, and two end parts are respectively and fixedly connected with the bulges and the top surface of the mounting sleeve, two bottom rails which are parallel to each other are horizontally and fixedly arranged at the outlet of the switch support, the mounting blocks of the first rod piece and the second rod piece of the first support component and the mounting blocks of the first rod piece and the second rod piece of the second support component are respectively and slidably arranged on two ends of the bottom rails at the front side, the first rod piece and the second rod piece of the first support member are parallel to each other and are obliquely arranged to one side, the first rod piece and the second rod piece of the second support member are parallel to each other and are obliquely arranged to the other side, the first rod piece and the second rod piece of the first support member and the first rod piece and the second rod piece of the second support member are symmetrically arranged, the mounting blocks of the first rod piece and the second rod piece of the third support member and the mounting blocks of the first rod piece and the second rod piece of the fourth support member are slidably mounted at two ends of the bottom rail at the rear side respectively, the first rod piece and the second rod piece of the third support member are parallel to each other and are obliquely arranged to one side, the first rod piece and the second rod piece of the fourth support member are parallel to each other and are obliquely arranged to the other side, and the first rod piece and the second rod piece of the third support member and the first rod piece and the second rod piece of the fourth support member are symmetrically arranged, the upper portion guide arm be provided with two to with the parallel setting of bottom track directly over, first spout and second spout have all been seted up at the both ends of upper portion guide arm, the second spout be located the outside of first spout, the screw rod of the screw that sets up in the front of first member wear to establish in the second spout, the screw rod of the screw that sets up in the front of second member wear to establish in first spout.

2. A supporting structure for knob structure of washing machine as claimed in claim 1, wherein: the screw is screwed in so that the first rod and the second rod are slidably engaged with the back face of the second side shaft and the back face of the first side shaft, respectively.

3. A supporting structure for knob structure of washing machine as claimed in claim 2, wherein: the elastic part is a rubber column.

4. A supporting structure for knob structure of washing machine as claimed in claim 3, wherein: the upper guide rod is of a symmetrical structure and comprises an intermediate shaft, two first side shafts arranged at two end parts of the intermediate shaft and a second side shaft arranged on the outer side end of the first side shaft, the diameters of the intermediate shaft, the first side shaft and the second side shaft are sequentially reduced, a mounting block at the bottom of a first rod piece is slidably mounted on the second side shaft, a mounting block at the bottom of a second rod piece is slidably mounted on the first side shaft, under the support of a spring, the mounting block at the bottom of the first rod piece is abutted against a shaft shoulder at the joint of the first side shaft and the second side shaft, a mounting block at the bottom of the second rod piece is abutted against a shaft shoulder at the joint of the first side shaft and the intermediate shaft, a first sliding groove is arranged on the first side shaft, and a second sliding groove is arranged on the second side shaft.

Technical Field

The invention relates to the technical field of washing machines, in particular to a supporting structure for a knob structure of a washing machine.

Background

At present, knobs are mostly installed on a control panel of a washing machine. The setting and switching of program functions such as washing modes or washing time and the like are realized through the matching work of the knob and the plurality of keys. The existing washing machine knob keys are scattered in distribution, have no rotating section display function, are very inconvenient to operate and influence user experience.

Prior art PCT/CN2019/094608, discloses a support structure for a knob structure of a washing machine. The knob structure comprises a knob component, a display screen component, a pressing component and a PCBA board. The knob assembly comprises a knob rotating seat, a fixing body and a knob decorating ring. The upper end of the knob rotating seat is provided with a first accommodating groove, the middle section of the knob rotating seat is provided with a second accommodating groove, and the lower end of the knob rotating seat is provided with a third accommodating groove; a plurality of concave-convex grooves which are uniformly distributed are arranged on the inner peripheral wall of the second accommodating groove. And a metal conducting strip A is arranged at the bottom of the second accommodating groove. The lower end of the fixed body is provided with a metal conducting strip B, a metal conducting strip C and a metal conducting strip D. The display screen assembly comprises a display base, a display module and a glass lens. The pressing component comprises a knob fixing support, a switch key and a rotary sound generator. The invention can solve the defects in the prior art, has a function of displaying the rotating section position, and is simple and convenient to operate, but the prior technical scheme discovers that the silica gel switch can transmit pressure on one hand and has elasticity on the other hand, and the elastic potential energy stored after deformation can push the columnar structure of the fixing body upwards to achieve the purpose of helping the fixing body to restore the original position, but the service life of the silica gel switch is limited, and after long-time use and oxidation, the shape restoring capability of the silica gel switch is reduced, so that the use effect of the support structure for the knob structure of the washing machine is poor, and the trouble of a user is caused.

Disclosure of Invention

The invention aims to provide a support structure for a knob structure of a washing machine, and provides a new support structure to replace a silica gel switch.

In order to achieve the purpose, the invention adopts the following technical scheme:

a supporting structure for a rotary knob structure of a washing machine comprises a rotary knob component, a pressing component, a display screen component, an encoder and a PCBA board, wherein a rotary component can transmit the downward pressing force to the pressing component, the PCBA board is positioned below the pressing component, a switch key of the pressing component is electrically connected with the PCBA board, the switch key is opened when the pressing component is descended by external force, and a command on the display screen component is determined, the supporting structure is arranged in a switch bracket of the pressing component above the switch key and used for transmitting the downward pressing force of the pressing component, the supporting structure comprises a hard sliding block, an elastic piece and a bracket structure, the switch bracket is respectively provided with an inlet channel and an outlet on the top surface and the bottom surface, the sliding block is slidably arranged in the inlet channel, the elastic piece is fixedly arranged at the center of the bottom surface of the sliding block, the elastic piece penetrates through the outlet and can be detachably abutted against the switch key, the support structure comprises four support members, a bottom track and an upper guide rod, the four support members are respectively a first support member, a second support member, a third support member and a fourth support member, the four support members comprise a first rod piece, a second rod piece, a spring and a mounting sleeve, the bottom ends of the first rod piece and the second rod piece are hinged with mounting blocks, four bearing seats are fixedly arranged on the bottom surface array of the sliding block and are avoided from the elastic piece, the four bearing seats are arranged into four vertexes of a rectangle and respectively comprise a first bearing seat, a second bearing seat, a third bearing seat and a fourth bearing seat, the first rod piece and the second rod piece of the first support member are respectively rotatably mounted on the front surfaces of the first bearing seat and the second bearing seat, and the first rod piece and the second rod piece of the second support member are respectively rotatably mounted on the first bearing seat and the second bearing seat The back of the bearing seat, the first rod piece and the second rod piece of the third support component are respectively and rotatably arranged on the front of the third bearing seat and the front of the fourth bearing seat, the first rod piece and the second rod piece of the fourth support component are respectively and rotatably arranged on the back of the third bearing seat and the back of the fourth bearing seat, the upper parts of the first rod piece and the second rod piece are both provided with bulges, the mounting sleeve is slidably arranged on the lower parts of the first rod piece and the second rod piece, the spring is sleeved on the first rod piece and the second rod piece, and two end parts are respectively and fixedly connected with the bulges and the top surface of the mounting sleeve, two bottom rails which are parallel to each other are horizontally and fixedly arranged at the outlet of the switch support, the mounting blocks of the first rod piece and the second rod piece of the first support component and the mounting blocks of the first rod piece and the second rod piece of the second support component are respectively and slidably arranged on two ends of the bottom rails at the front side, the first rod piece and the second rod piece of the first support member are parallel to each other and are obliquely arranged to one side, the first rod piece and the second rod piece of the second support member are parallel to each other and are obliquely arranged to the other side, the first rod piece and the second rod piece of the first support member and the first rod piece and the second rod piece of the second support member are symmetrically arranged, the mounting blocks of the first rod piece and the second rod piece of the third support member and the mounting blocks of the first rod piece and the second rod piece of the fourth support member are slidably mounted at two ends of the bottom rail at the rear side respectively, the first rod piece and the second rod piece of the third support member are parallel to each other and are obliquely arranged to one side, the first rod piece and the second rod piece of the fourth support member are parallel to each other and are obliquely arranged to the other side, and the first rod piece and the second rod piece of the third support member and the first rod piece and the second rod piece of the fourth support member are symmetrically arranged, the upper portion guide arm be provided with two to with the parallel setting of bottom track directly over, first spout and second spout have all been seted up at the both ends of upper portion guide arm, the second spout be located the outside of first spout, the screw rod of the screw that sets up in the front of first member wear to establish in the second spout, the screw rod of the screw that sets up in the front of second member wear to establish in first spout.

Further, the screw is screwed in so that the first rod and the second rod are slidably fitted with the back face of the second side shaft and the back face of the first side shaft, respectively.

Preferably, the elastic member is a rubber column.

Further, the upper guide rod is of a symmetrical structure and comprises an intermediate shaft, two first side shafts arranged at two end parts of the intermediate shaft and a second side shaft arranged on the outer side end of the first side shaft, the diameters of the intermediate shaft, the first side shaft and the second side shaft are sequentially reduced, an installation block at the bottom of the first rod piece is slidably installed on the second side shaft, an installation block at the bottom of the second rod piece is slidably installed on the first side shaft, under the support of a spring, the installation block at the bottom of the first rod piece is abutted against a shaft shoulder at the connection part of the first side shaft and the second side shaft, an installation block at the bottom of the second rod piece is abutted against a shaft shoulder at the connection part of the first side shaft and the intermediate shaft, the first sliding groove is arranged on the first side shaft, and the second sliding groove is arranged on the second side shaft.

According to the technical scheme, the support structure provided by the invention can stably support the sliding block, is more stable and does not shake particularly when the pressing pressure is transmitted, the guided pressure is vertically downward, the switch key can be vertically pressed, the switch key is well protected, the spring provides elastic potential energy to replace silica gel, and the inconvenient use caused by aging is avoided.

Drawings

FIG. 1 is an exploded view of the knob structure of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the knob structure of the present invention;

fig. 3 is a schematic view of a support structure of the present invention.

Wherein:

the device comprises a first sliding chute-1, a second sliding chute-2, a screw-3, a switch key-4, a first side shaft-5, a second side shaft-6, a switch bracket-7, a sliding block-8, an elastic piece-9, an inlet channel-10, an outlet-11, a bracket component-12, a bottom rail-13, an upper guide rod-14, a first rod piece-15, a second rod piece-16, a spring-17, a mounting sleeve-18, a mounting block-19, a bearing seat-20, a bulge-21 and an intermediate shaft-22.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the supporting structure for the knob structure of the washing machine as shown in the attached drawings comprises a knob component, a pressing component, a display screen component, an encoder and a PCBA board, wherein the rotating component can transmit the downward pressing force to the pressing component, the PCBA board is positioned below the pressing component, a switch button 4 of the pressing component is electrically connected with the PCBA board, the switch button 4 is opened and determines the command on the display screen component when the pressing component is descended by the external force, the outer side of the display screen component uses an aluminum alloy shell, the encoder is a photoelectric encoder, the supporting structure is arranged in a switch bracket 7 of the pressing component above the switch button 4 and is used for transmitting the downward pressing force of the pressing component, the supporting structure comprises a hard sliding block 8, an elastic piece 9 and a bracket structure, the switch bracket 7 is respectively provided with an inlet channel 10 and an outlet 11 on the top surface and the bottom surface, the sliding block 8 is slidably installed in the inlet channel 10, the elastic part 9 is fixedly arranged at the central position of the bottom surface of the sliding block 8, and the elastic part 9 passes through the outlet 11 and is detachably abutted to the switch key 4, the support structure comprises four support members 12, a bottom rail 13 and an upper guide rod 14, the four support members 12 are respectively a first support member, a second support member, a third support member and a fourth support member, the four support members 12 respectively comprise a first rod piece 15, a second rod piece 16, a spring 17 and a mounting sleeve 18, the bottom ends of the first rod piece 15 and the second rod piece 16 are respectively hinged with a mounting block 19, four bearing seats 20 are fixedly arranged on the bottom surface array of the sliding block 8 and are avoided from the elastic part 9, the four bearing seats 20 are arranged into four vertexes of a rectangle and respectively are a first bearing seat, a second bearing seat, A third bearing seat and a fourth bearing seat, the first rod 15 and the second rod 16 of the first support member are respectively rotatably mounted on the front surfaces of the first bearing seat and the second bearing seat, the first rod 15 and the second rod 16 of the second support member are respectively rotatably mounted on the back surfaces of the first bearing seat and the second bearing seat, the first rod 15 and the second rod 16 of the third support member are respectively rotatably mounted on the front surfaces of the third bearing seat and the fourth bearing seat, the first rod 15 and the second rod 16 of the fourth support member are respectively rotatably mounted on the back surfaces of the third bearing seat and the fourth bearing seat, the upper parts of the first rod 15 and the second rod 16 are both provided with protrusions 21, the mounting sleeve 18 is slidably mounted on the lower parts of the first rod 15 and the second rod 16, and the spring 17 is sleeved on the first rod 15 and the second rod 16, and both ends are respectively and fixedly connected with the top surface of the projection 21 and the mounting sleeve 18, two bottom rails 13 which are parallel to each other are horizontally and fixedly arranged at the outlet 11 of the switch bracket 7, the mounting blocks 19 of the first rod piece 15 and the second rod piece 16 of the first bracket component and the mounting blocks 19 of the first rod piece 15 and the second rod piece 16 of the second bracket component are respectively and slidably mounted on both ends of the bottom rail 13 at the front side, the first rod piece 15 and the second rod piece 16 of the first bracket component are parallel to each other and are obliquely arranged towards one side, the first rod piece 15 and the second rod piece 16 of the second bracket component are parallel to each other and are obliquely arranged towards the other side, thereby, a parallelogram component is formed by the part of the bottom rail 13, the first rod piece 15, the second rod piece 16 and the bottom surface of the sliding block 8, and is squashed after the sliding block 8 descends, the first rod piece 15 and the second rod piece 16 of the first bracket component are symmetrically arranged with the first rod piece 15 and the second rod piece 16 of the second bracket component, the mounting block 19 of the first rod piece 15 and the second rod piece 16 of the third bracket component and the mounting block 19 of the first rod piece 15 and the second rod piece 16 of the fourth bracket component are respectively slidably mounted on two ends of the bottom rail 13 at the rear side, the first rod piece 15 and the second rod piece 16 of the third bracket component are parallel to each other and are obliquely arranged towards one side, the first rod piece 15 and the second rod piece 16 of the fourth bracket component are parallel to each other and are obliquely arranged towards the other side, the first rod piece 15 and the second rod piece 16 of the third bracket component and the first rod piece 15 and the second rod piece 16 of the fourth bracket component are symmetrically arranged, therefore, the first bracket component and the second bracket component are symmetrically arranged, and the third bracket component and the fourth bracket component are symmetrically arranged, the bottom surface of the sliding block 8 is supported by four bracket components arranged in an array, the stability is strong, the upper guide rod 14 is provided with two, and is arranged right above in parallel with the bottom rail 13, the upper guide rod 14 is of a symmetrical structure and comprises an intermediate shaft 22, two first side shafts 5 arranged on two end parts of the intermediate shaft 22 and a second side shaft 6 arranged on an outer side end of the first side shaft 5, the diameters of the intermediate shaft 22, the first side shafts 5 and the second side shaft 6 are reduced in sequence, a mounting block 19 at the bottom of the first rod piece 15 is slidably mounted on the second side shaft 6, a mounting block 19 at the bottom of the second rod piece 16 is slidably mounted on the first side shaft 5, under the support of a spring 17, the mounting block 19 at the bottom of the first rod piece 15 is abutted against a shaft shoulder at the joint of the first side shaft 5 and the second side shaft 6, a mounting block 19 at the bottom of the second rod piece 16 is abutted against a shaft shoulder at the joint of the first side shaft 5 and the intermediate shaft 22, the first sliding groove 1 is arranged on the first side shaft 5, the second sliding groove 2 is arranged on the second side shaft 6, a screw rod of a screw 3 arranged on the front surface of the first rod piece 15 penetrates through the second sliding groove 2, a screw rod of a screw 3 arranged on the front surface of the second rod piece 16 penetrates through the first sliding groove 1, the screw 3 is screwed in, so that the first rod piece 15 and the second rod piece 16 are respectively matched with the back surface of the second side shaft 6 and the back surface of the first side shaft 5 in a sliding mode, and the elastic piece 9 is a rubber column.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.