WO2018188559A1 - 一种洗衣机的控制面板和洗衣机 - Google Patents
一种洗衣机的控制面板和洗衣机 Download PDFInfo
- Publication number
- WO2018188559A1 WO2018188559A1 PCT/CN2018/082365 CN2018082365W WO2018188559A1 WO 2018188559 A1 WO2018188559 A1 WO 2018188559A1 CN 2018082365 W CN2018082365 W CN 2018082365W WO 2018188559 A1 WO2018188559 A1 WO 2018188559A1
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- WIPO (PCT)
- Prior art keywords
- control panel
- limiting
- washing machine
- mounting post
- knob
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
- D06F34/30—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mechanical features, e.g. buttons or rotary dials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
Definitions
- the invention belongs to the field of washing machines, and in particular to a control panel and a washing machine of a washing machine.
- Smart home appliances have become a new development trend, which has been accepted and sought after by more and more users.
- the control panel should directly address the quality of home appliances.
- the control panel on the washing machine is independently installed on the front upper part or the upper part of the washing machine, and the circuit board is arranged inside the control panel, and the knob provided on the circuit board protrudes from the control panel, which can make the operation of the washing machine more convenient for the user.
- users have higher and higher requirements on the control panel, which not only requires beautiful appearance and convenient operation, but also further improves the performance requirements of the knobs and knobs disposed in the control panel during the rotation process.
- the knobs installed on the washing machine are mostly unsatisfactory to operate, the knobs are shaken greatly, the rotation is reversed during the rotation, and there are problems such as frictional noise during the rotation, which seriously affects the user's experience.
- the present invention has been made in view of the above.
- the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a control panel and a washing machine of the washing machine.
- the control panel is provided with a limit structure, and the limit structure is used to limit the shaking of the knob, thereby reducing the drift of the knob and improving
- the user's hand feeling at the same time, because the limit structure is directly arranged on the control panel or integrated with the control panel, the cumulative tolerance of the size chain is reduced, the limit structure of the limit structure is better, and the deviation of the knob shaking and rotation is reduced.
- a control panel of a washing machine the control panel is disposed on the washing machine, the washing machine comprises a circuit board disposed inside the control panel and a knob disposed on the circuit board, the knob comprises a rotatable knob cap, and the control panel comprises a rotation of the knob cap
- the limiting structure is configured to limit the swinging of the knob cap, and the limiting structure is integrally formed or fixedly connected with the control panel.
- the limiting structure is integrally formed or fixedly connected with the inner side of the control panel;
- the control panel is provided with an opening
- the knob further includes an encoder disposed on the circuit board
- the knob cap is connected to the encoder through the opening
- the inner wall of the control panel extends toward the opening to form a limiting structure. The end of the limiting structure near the opening limits the sway of the knob cap.
- the limiting structure includes a limiting portion and a mounting portion, and the mounting portion is integrally formed or fixedly connected to the control panel, and the limiting portion is spaced apart from the rotating outer circumference of the knob cap to restrict the shaking of the knob cap.
- the knob cap includes a mounting post connected to the rotating shaft of the encoder, the limiting portion has a protruding portion, and the protruding portion is spaced apart from the outer wall of the mounting post to restrict the shaking of the knob cap, wherein the protruding portion is The thickness of the mounting post in the axial direction is less than the thickness of the limiting portion in the direction.
- a portion of the limiting portion opposite to the mounting post extends in a direction of the mounting post and is gradually thinned to form a protruding portion.
- a portion of the limiting portion opposite to the mounting post extends toward the mounting post and is gradually thinned to form a protruding portion having a tip end, and a tip end of the protruding portion is spaced apart from an outer wall of the mounting post to restrict The sway of the knob cap, the limiting portion forms a slope during the process of gradually thinning;
- the bevel faces the exterior of the washing machine.
- the protruding portion is a plate-like structure, and the protruding portion is coplanar with a rotating direction of the mounting post, and one end of the protruding portion is integrally formed or fixedly connected with the limiting portion, and the other end is spaced apart from the mounting post by a certain gap. To limit the knob cap from shaking.
- the limiting structure is a limiting plate, and the outer edge of the limiting plate is fixedly connected or integrally formed with the inner wall of the control surface, and the central portion extends to the outside of the opening to form a limiting portion, and a limiting port is formed on the limiting portion, and the mounting column is worn.
- the over-limit port is connected to the encoder, and the edge of the limiting port extends toward the mounting post to form a protruding portion.
- the thickness of the protruding portion in the axial direction of the mounting post is smaller than the thickness of the limiting plate in the direction.
- the limiting structure further includes a supporting portion having a supporting function, and the supporting portion is fixedly connected to the circuit board;
- a side of the limiting structure opposite to the circuit board extends partially in the direction of the circuit board to form a supporting portion, and the supporting portion is fixedly connected to the circuit board.
- the present invention has the following beneficial effects compared with the prior art: (1) by directly setting the limiting structure on the control panel, reducing the length of the dimensional chain, thereby reducing the cumulative tolerance of the dimensional chain, and making the limit The structure has better effect on the limit of the knob, reduces the shaking and drift of the knob, and improves the user's hand feeling; (2) by setting the protruding portion, and setting the tip on the protruding portion, and limiting the knob through the tip, The contact surface of the limit structure and the knob is reduced, the friction and the rotation resistance are reduced, and the user's feeling of use is improved; (3) the support portion is provided with a support portion, and the support portion is connected with the circuit board, and when the limit structure is received by the knob When the force is applied, the limit structure is supported to reduce the loss.
- FIG. 1 is a schematic perspective view showing the assembled structure of a control panel of a washing machine of the present invention
- Figure 2 is a bottom view showing the assembly of the control panel of the washing machine of the present invention.
- FIG. 3 is a front view showing the structure of the control panel of the washing machine of the present invention.
- Figure 4 is a cross-sectional structural view of Figure 3 of the present invention.
- Fig. 5 is a partially enlarged schematic view showing the portion A of Fig. 4 of the present invention.
- control panel 101 opening 200, knob cap 201, mounting post 202, encoder 300, circuit board 400, limiting portion 401, limiting port 402, projection 403, tip 404, bevel 405, support Department 500, installation department.
- a control panel 100 of a washing machine includes a circuit board 300 disposed inside the control panel 100 and a knob disposed on the circuit board 300, the knob including the control panel 100 and
- the rotating knob cap 200 includes a limiting structure for restricting the swinging of the knob cap 200 when the knob cap 200 rotates, and the limiting structure is integrally formed or fixedly connected to the control panel 100.
- the knob further includes an encoder 202 disposed on the circuit board 300.
- the encoder 202 is provided with a rotating shaft.
- One end of the knob cap 200 is coupled to the rotating shaft and the other end protrudes from the control panel 100. The user rotates the knob cap 200, and the knob cap 200 rotates.
- the rotation of the rotating shaft realizes the control of the washing machine, and the structure of the knob is not limited to the knob controlled by the encoder in the present application.
- the control panel 100 on the washing machine is installed independently on the front upper or upper portion of the washing machine, and the circuit board 300 is disposed inside the control panel 100.
- the circuit board 300 is fixed on the control panel 100 by screws.
- the limiting structure for restricting the swing of the knob cap 200 is generally connected to the circuit board 300, and the circuit board 300 is further connected to the control panel 100, so that the size chain is accumulated due to the connection manner of multiple installations.
- the tolerance is large, so that the limit structure has a lower limit effect on the knob cap 200, and the problem that the knob cap 200 is shaken or drifted easily occurs, and the user experience is poor.
- the limiting structure is integrally formed or fixedly connected with the control panel 100, thereby reducing the length of the dimension chain during the installation process, thereby reducing the cumulative tolerance of the dimensional chain and improving the limiting structure. Limit effect.
- the limiting structure can be fixedly connected or integrally formed with the inner wall of the control panel 100, or can be fixedly connected or integrally formed with the outer wall of the control panel, and the length of the chain can be reduced, so that the knob cap 200 can be shaken small, and the drift can be reduced.
- control panel 100 is provided with an opening 101.
- the rotating shaft of the encoder 202 is opposite to the opening 101 of the control panel 100.
- the knob cap 200 is connected to the rotating shaft of the encoder 202 through the opening 101, so that the knob cap 200 is opposite to the encoder 202.
- the rotating shaft is fixed, and the rotating knob drives the rotating shaft of the encoder 202 to realize the control.
- the limit structure is integrally formed or fixedly connected with the inner wall of the control panel 100, which can reduce the probability of the limit structure being collided, prevent the limit effect caused by the collision or damage, and prolong the service life of the limit structure.
- control panel 100 partially extends toward the opening 101 to form a limiting structure, and the end of the limiting structure near the opening 101 limits the shaking of the knob cap 200.
- the above structure integrally forms the limiting structure with the inner wall of the control panel 100 so that the two are not assembled together, further reducing the accumulation of dimensional chain tolerances.
- the limiting structure includes a limiting portion and a mounting portion 500.
- the mounting portion 500 is integrally formed or fixedly connected to the control panel 100, and the limiting portion is spaced apart from the rotating outer circumference of the knob cap 200 by a certain gap. To limit the shaking of the knob cap 200.
- the rotation outer circumference of the knob cap 200 is spaced apart from the limiting portion by a certain gap.
- the limiting structure does not affect the rotation of the knob cap 200.
- the knob cap 200 is deflected or shaken to one side under the force, so that the limit structure is in contact with the knob cap 200.
- the limit structure limits the knob cap 200 to prevent it. Further deviation.
- the gap should be set very small, which not only does not contact the limit structure when the knob rotates normally, does not affect the knob, and also contacts the limit structure when the knob is drifted, and supports the limit of the knob. , restricting the shaking of the knob cap 200.
- the knob cap 200 includes a mounting post 201 connected to the rotating shaft of the encoder 202.
- the rotating shaft of the knob cap is coaxial with the rotating shaft of the mounting post, and the limiting portion has a protruding portion 402, and the protruding portion 402 A gap is spaced apart from the outer wall of the mounting post 201 to limit the sway of the knob cap 200.
- the thickness of the protrusion 402 in the axial direction of the mounting post 201 is smaller than the thickness of the limiting portion in the direction.
- the thickness of the protruding portion 402 in the axial direction of the mounting post 201 is small and the surface of the mounting post 201 is coplanar, and the contact of the protruding portion 402 with the mounting post 201 is reduced by reducing the thickness of the protruding portion 402.
- the small area further reduces the frictional resistance of the mounting post 201, preventing the generation of noise, and the user does not have to apply a large rotational force to rotate the knob cap 200, thereby improving the user experience.
- the limiting structure may be a long-shaped limiting plate.
- One end of the limiting plate is integrally formed with the inner wall of the control panel 100, and the other end forms a limiting portion opposite to the mounting post 201, and the limiting portion faces the mounting post 201.
- the protrusion 402 is extended to form, and the thickness of the protrusion 402 in the axial direction of the mounting post 201 is smaller than the thickness of the limiting plate.
- the limiting structure may also be a circular limiting plate.
- the outer periphery of the limiting plate is welded to the inner wall of the control surface, the limiting portion is located in the middle of the limiting plate, and the limiting opening 401 is opened in the middle of the limiting plate.
- the column 201 is connected to the encoder 202 through the limiting port 401.
- the edge of the limiting port 401 extends toward the mounting post 201 to form a protruding portion 402.
- the thickness of the protruding portion 402 in the axial direction of the mounting post is smaller than that of the limiting plate. thickness.
- a portion of the limiting portion opposite to the mounting post 201 extends toward the mounting post 201 and is gradually thinned to form a protruding portion 402.
- the thickness of the protruding portion 402 in the axial direction of the mounting post 201 is less than The thickness of the limiting portion in the direction.
- the protruding portion 402 Since the protruding portion 402 is thin and easily damaged, the protruding portion extends in the direction of the mounting post 201 and the thickness thereof is gradually thinned to form the protruding portion 402, which smoothly reduces the stress concentration portion, thereby reducing the possibility of damage of the protruding portion 402 and improving The service life of the limit structure.
- a portion of the limiting portion opposite to the mounting post 201 extends toward the mounting post 201 and is gradually thinned to form a protruding portion 402 having a tip end 403, and the tip end 403 of the protruding portion 402 is mounted
- the outer wall of the column 201 is spaced apart by a gap for restricting the sway of the knob cap 200, and the limiting portion forms a slope 404 during the gradual thinning.
- the tip end 403 of the projection 402 comes into contact with the mounting post 201, which can be said that the tip 403 is formed.
- the point or the very thin arc is in contact with the rotating column, so that the friction between the knob cap 200 and the mounting post 201 is further reduced, giving the user a good experience.
- a slope 404 having a certain inclination angle is formed in a process in which the portion of the stopper portion opposed to the mounting post 201 extends toward the mounting post 201 and the thickness is gradually thinned, and the slope 404 faces the outside of the washing machine.
- the knob cap 200 needs to be connected to the rotating shaft of the encoder 202 through the protruding portion 402. By facing the inclined surface 404 toward the outside of the washing machine, the knob cap 200 can be guided to a certain extent when the knob cap 200 is installed, thereby making the knob cap 200 easier. insert.
- the protruding portion 402 has a plate-like structure, and the plate-shaped protruding portion 402 is coplanar with the rotating direction of the mounting post 201, and one end of the plate-shaped protruding portion 402 is integrally or fixedly connected with the limiting portion. The other end is spaced apart from the mounting post 201 by a gap to restrict the knob cap 200 from shaking.
- the protruding portion 402 is a plate-like structure, and the protruding portion 402 is coplanar with the rotating direction of the mounting post 201.
- the knob When the knob is deflected, the mounting post 201 is in contact with the protruding portion 402, and the contact surface is a curved line. To make the friction between the two less, reduce noise and improve user experience.
- the limiting structure further includes a supporting portion 405 having a supporting function, and the supporting portion 405 is fixedly connected to the circuit board 300.
- the limit structure When a large external force is applied to the knob cap, the limit structure is prone to a large offset, and the support structure is provided to play the role of auxiliary support, thereby improving the impact resistance of the limit structure.
- the embodiment is further defined in the first embodiment.
- the control panel 100 is provided with an opening 101 through which the knob passes.
- the knob includes a knob cap 200 and an encoder 202, and the inner side of the control panel 100 is disposed.
- the circuit board 300 has an encoder 202 mounted on the circuit board 300.
- the knob cap 200 has a mounting post 201 on a side facing the circuit board 300.
- the encoder 202 has a rotating shaft on a side of the control panel 100.
- the mounting post 201 of the knob cap 200 Through the opening 101 and the rotating shaft, the user rotates the knob cap 200, and the mounting post 201 rotates to rotate the rotating shaft of the encoder 202, thereby converting the angular displacement or the linear displacement into an electrical signal to control the washing machine.
- the limiting structure is a plate-like structure as a whole, a part of which is located inside the control panel 100 and a part of which is located outside the control panel 100.
- the inner side of the limiting structure is integrally formed with the inner wall of the control panel 100, the middle portion protrudes from the opening 101 toward the outer side of the control panel 100, and the limiting structure has a circular plate-shaped limiting plate parallel to the control panel 100.
- a limiting port 401 is defined in the middle of the limiting plate, and the mounting post 201 is connected to the rotating shaft of the encoder 202 through the limiting port 401.
- the limiting port 401 surrounds the outer circumference of the mounting post 201 and is spaced apart from the outer circumference of the mounting post 201. Limit the shaking or drift of the knob.
- the edge of the limiting port 401 extends toward the center of the limiting opening 401 to form a protruding portion 402.
- the protruding portion 402 is gradually thinned along the axial direction of the mounting post 201 during extension to form a tip end 403.
- the protrusion 403 of the protrusion 402 surrounds the mounting post 201 and is spaced apart from the mounting post 201.
- Solution 1 The edge of the limiting port 401 extends toward the center of the limiting port 401, and the tip 403 surrounds the mounting post 201. Since the tip 403 is thin, the tip 403 does not contact the mounting post 201 when the knob rotates normally. When the knob is deflected by the external force, the tip 403 is in contact with the mounting post 201, and the contact portion is not a surface contact but an arc, and the arc is coplanar with the plane in which the knob rotates, thereby effectively reducing the contact position. For friction, both the limit and the noise can be reduced, and the user has a small exertion and a good feeling of experience.
- a side of the limiting port 401 opposite to the circuit board 300 extends outward in a direction parallel to the inner wall of the limiting plate, and a side of the limiting port 401 away from the circuit board 300 is deflected toward the circuit board 300 to form a slope.
- the thickness of the protruding portion 402 is gradually thinned, and the inclined surface 404 faces the outside of the washing machine.
- the second embodiment of the limiting port 401 may extend toward the center of the limiting port 401 to form a protrusion 402 having a tip end 403.
- the plurality of portions of the limiting port 401 extend toward the center of the limiting port 401 to form a plurality of tips. 403, the tips 403 surround the mounting post 201.
- the protruding portion 402 is a thin plate disposed at the edge of the limiting port 401.
- the plate surface of the thin plate is coplanar with the rotating direction of the mounting post 201, so that the stepping portion 401 is formed into a stepped platform, and the mounting post 201 and the protruding portion are reduced.
- the inner side of the limiting structure and the inner wall of the control panel 100 may be welded, screwed or bolted; the limiting structure may be integrally formed with the inner wall of the control panel 100, so that only the tolerances generated by the manufacturing process exist between the limiting structure knobs. The limit effect is better.
- a side of the limiting structure opposite to the circuit board 300 partially extends toward the circuit board 300 to form a supporting portion 405, and the supporting portion 405 is inserted and fixed with the circuit board 300.
- the end of the support portion 405 is provided with a mounting portion, the upper portion of the mounting portion is provided with a supporting boss, the circuit board is provided with a through hole, the mounting portion is assembled with the through hole, and the supporting boss and the board surface of the circuit board are offset. , to increase the strength of support.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
一种洗衣机的控制面板和洗衣机，洗衣机包括设置在控制面板（100）内侧的电路板（300）和设置在电路板（300）上的旋钮，所述旋钮包括凸出于控制面板（100）并可转动的旋钮帽（200），控制面板（100）包括在旋钮帽（200）转动时用于限制所述旋钮帽（200）晃动的限位结构，所述限位结构与控制面板（100）一体成型或者固定连接。通过限位结构限制旋钮的晃动，减少旋钮的飘偏，提高用户的手感，同时由于限位结构直接设置在控制面板上或者与控制面板一体成型，减少尺寸链累计公差，使限位结构的限位效果更好，减少旋钮旋转过程中晃动和飘偏。
Description
本发明属于洗衣机领域，具体地说，涉及一种洗衣机的控制面板和洗衣机。
智能家电成为一种新的发展趋势，被越来越多的用户接受和追捧，控制面板作为人机交互的直接操作部分，其好坏直接应先家电的品质。洗衣机作为一种家庭中使用频率很高的家电，用户对其要求也越来越高。
洗衣机上的控制面板多独立安装于洗衣机的前上部或者上部，控制面板的内侧设置电路板，设置在电路板上的旋钮凸出于控制面板，能够使使用者对洗衣机的操作更加便捷。目前，用户对控制面板的要求越来越高，不但要求外观美观、操作方便，同时对设置在控制面板部位的旋钮以及旋钮在转动过程中的性能要求也进一步提高。
目前，安装于洗衣机上的旋钮大多操作起来手感不佳，旋钮晃动较大,旋转过程中飘偏,旋转过程中有摩擦异音等问题，严重影响用户的体验感。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种洗衣机的控制面板及洗衣机，该控制面板上设置限位结构，通过限位结构限制旋钮的晃动，减少旋钮的飘偏，提高用户的手感，同时由于限位结构直接设置在控制面板上或者与控制面板一体成型，减少尺寸链累计公差，使限位结构的限位效果更好，减少旋钮晃动和旋转过程中飘偏。
为解决上述技术问题，本发明采用技术方案的基本构思是：
一种洗衣机的控制面板，控制面板设置在洗衣机上，洗衣机包括设置在控制面板内侧的电路板和设置在电路板上的旋钮，所述旋钮包括可转动的旋钮帽，控制面板包括在旋钮帽转动时用于限制所述旋钮帽晃动的限位结构，所述限位结构与控制面板一体成型或者固定连接。
所述限位结构与控制面板的内侧一体成型或者固定连接；
优选地，所述控制面板上设有开口，旋钮还包括设置在电路板上的编码器，旋钮帽穿过开口与编码器连接，所述控制面板的内壁向开口方向延伸形成限位结构，所述限位结构上靠近开口的端部限制旋钮帽的晃动。
所述限位结构包括限位部和安装部，所述安装部与控制面板一体成型或者固定连接，所述限位部与所述旋钮帽的转动外周间隔一定间隙用以限制旋钮帽的晃动。
旋钮帽包括与编码器的转轴连接的安装柱，所述限位部具有凸出部，所述凸出部与安装柱的外壁间隔一定间隙用以限制旋钮帽的晃动，所述凸出部在安装柱轴向方向的厚度小于所述限位部在该方向的厚度。
所述限位部上与所述安装柱相对的部位向安装柱方向延伸并且厚度逐渐变薄形成凸出部。
所述限位部上与所述安装柱相对的部位向安装柱方向延伸并且厚度逐渐变薄形成具有尖端的凸出部，所述凸出部的尖端与安装柱的外壁间隔一定间隙用以限制旋钮帽的晃动，所述限位部在逐渐变薄的过程中形成斜面；
优选地，所述斜面朝向洗衣机外部。
所述凸出部为板状结构，所述凸出部与安装柱的转动方向共面，所述凸出部的一端与限位部一体成型或固定连接，另一端与安装柱间隔一定间隙用以限制所述旋钮帽晃动。
限位结构为限位板，限位板的外边缘与控制面的内壁固定连接或者一体成型，中部向所述开口外侧延伸形成形成限位部，限位部上开设限位口，安装柱穿过限位口与编码器连接，限位口的边缘向安装柱的方向延伸形成凸出部，凸出部在安装柱轴向方向的厚度小于限位板在该方向的厚度。
限位结构还包括具有支撑作用的支撑部，所述支撑部与电路板固定连接；
优选地，限位结构上与所述电路板相对的一侧局部向电路板的方向延伸形成支撑部，所述支撑部与电路板插接固定。
一种具有上述的控制面板的洗衣机。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果：(1)通过将限位结构直接设置在控制面板上，减少尺寸链的长度，进而减少尺寸链累计公差，使限位结构对旋钮的限位作用更好，减少旋钮的晃动和飘偏，提高用户的手感；(2)通过设置凸出部，并在凸出部上设置尖端，通过尖端对旋钮的进行限位，使限位结构与旋钮的接触面减少，减少摩擦和转动阻力，提高用户的使用手感；(3)限位结构上设置支撑部，通过支撑部与电路板连接，当限位结构受到来自旋钮的作用力时对限位结构起到一定的支撑作用，降低损耗。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明洗衣机控制面板装配立体结构示意图；
图2是本发明洗衣机控制面板装配仰视示意图；
图3是本发明洗衣机控制面板装配主视结构示意图；
图4是本发明图3的剖视结构示意图；
图5是本发明图4中A部的局部放大结构示意图。
图中：100、控制面板 101、开口 200、旋钮帽 201、安装柱 202、编码器 300、电路板 400、限位部 401、限位口 402、凸出部 403、尖端 404、斜面 405、支撑部 500、安装部。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例一
如图1-5所示，一种洗衣机的控制面板100，洗衣机包括设置在控制面板100内侧的电路板300和设置在电路板300上的旋钮，所述旋钮包括凸出于控制面板100并可转动的旋钮帽200，控制面板100包括在旋钮帽200转动时用于限制所述旋钮帽200晃动的限位结构，所述限位结构与控制面板100一体成型或者固定连接。
旋钮还包括设置在电路板300上的编码器202，编码器202上设有转轴，旋钮帽200一端与转轴连接另一端凸出于控制面板100，用户旋动旋钮帽200，旋钮帽200转动带动转轴转动，实现对洗衣机的控制，旋钮的结构并不限定于本申请中通过编码器控制的旋钮。
目前，洗衣机上的控制面板100多独立安装于洗衣机的前上部或者上部，控制面板100的内侧设置电路板300，电路板300通过螺钉安装在控制面板100上实现固定。旋钮帽200 在转动时，用于限制所述旋钮帽200晃动的限位结构一般与电路板300连接，电路板300再与控制面板100连接，这样由于多次安装的连接方式，造成尺寸链累计公差较大，使限位结构对旋钮帽200的限位效果降低，容易出现旋钮帽200晃动或者飘偏的问题，用户体验差。
通过将限位结构与控制面板100直接连接，如：限位结构与控制面板100一体成型或者固定连接，减少了安装过程中的尺寸链长度，进而减少了尺寸链累计公差，提高了限位结构的限位效果。
限位结构可以与控制面板100的内壁固定连接或者一体成型，也可以与控制面板的外壁固定连接或者一体成型，都同样能实现减少尺寸链长度，使旋钮帽200晃动小，飘偏可能降低。
进一步地，控制面板100上开设有开口101，编码器202的转轴与控制面板100的开口101相对，旋钮帽200穿过开口101于编码器202的转轴连接，使旋钮帽200相对编码器202的转轴固定，转动旋钮带动编码器202的转轴转动实现控制。
限位结构与控制面板100的内壁一体成型或者固定连接，可以减少限位结构被碰撞的概率，防止其被撞或者损坏造成的限位效果降低，同时延长限位结构的使用寿命。
进一步地，所述控制面板100的内壁局部向开口101方向延伸形成限位结构，所述限位结构上靠近开口101的端部限制旋钮帽200的晃动。
上述结构使限位结构与控制面板100的内壁一体成型，使二者不经装配连接在一起，进一步的缩小尺寸链公差的累积。
进一步地，所述限位结构包括限位部和安装部500，所述安装部500与控制面板100一体成型或者固定连接，所述限位部与所述旋钮帽200的转动外周间隔一定间隙用以限制旋钮帽200的晃动。
旋钮帽200的转动外周与限位部间隔一定间隙，当旋钮帽200正常的转动时，限位结构不影响旋钮帽200的转动，当用户在操作过程中对旋钮帽200施加的力方向不对，或者当旋钮帽200受到撞击时，旋钮帽200在力的作用下向一侧偏离或者晃动，使限位结构与旋钮帽200接触，此时，限位结构对旋钮帽200进行限位，防止其进一步偏离。
该间隙应该设置的很小，既满足在旋钮正常转动时与限位结构不接触，对旋钮不产生不影响，又会在旋钮发生飘偏时与限位结构接触，对旋钮进行支撑限位作用，限制旋钮帽200的晃动。
进一步地，旋钮帽200包括与编码器202的转轴连接的安装柱201，旋钮帽的旋转轴与 安装柱的旋转轴共轴，所述限位部具有凸出部402，所述凸出部402与安装柱201的外壁间隔一定间隙用以限制旋钮帽200的晃动，所述凸出部402在安装柱201轴向方向的厚度小于所述限位部在该方向的厚度。
该结构中凸出部402在安装柱201轴向方向的厚度较小与安装柱201的转动方向共面，通过减少凸出部402的厚度，使凸出部402与安装柱201接触时的接触面积小，进一步减小安装柱201的摩擦阻力，防止噪音的产生，同时用户不必施加较大的转动力来转动旋钮帽200，提高用户体验。
方案一：限位结构可以为长条形的限位板，限位板的一端与控制面板100的内壁一体成型，另一端与安装柱201相对形成限位部，限位部向安装柱201方向延伸形成凸出部402，凸出部402在安装柱201轴向方向的厚度小于限位板的厚度。
方案二：限位结构也可以是圆形的限位板，限位板的外周与控制面的内壁焊接，限位部位于限位板的中部，限位板的中部开设限位口401，安装柱201穿过限位口401与编码器202连接，限位口401的边缘向安装柱201的方向延伸形成凸出部402，凸出部402在安装柱轴向方向的厚度小于限位板的厚度。
进一步地，所述限位部上与所述安装柱201相对的部位向安装柱201方向延伸并且厚度逐渐变薄形成凸出部402，该凸出部402在安装柱201轴向方向的厚度小于所述限位部在该方向的厚度。
由于凸出部402较薄容易损坏，通过限位部向安装柱201方向延伸并且厚度逐渐变薄形成凸出部402，平滑过渡减少应力集中的部位，进而减少凸出部402损坏的可能，提高限位结构的使用寿命。
进一步地，所述限位部上与所述安装柱201相对的部位向安装柱201方向延伸并且厚度逐渐变薄形成具有尖端403的凸出部402，所述凸出部402的尖端403与安装柱201的外壁间隔一定间隙用以限制旋钮帽200的晃动，所述限位部在逐渐变薄的过程中形成斜面404。
通过在厚度逐渐变薄的过程中形成具有尖端403的凸出部402，当凸出部402与安装柱201接触时，凸出部402的尖端403与安装柱201接触，可以说是尖端403形成的点或者很细的弧线与安转柱接触相抵，使旋钮帽200与安装柱201之间的摩擦力进一步降低，给用户带来良好的体验。
进一步地，在限位部上与所述安装柱201相对的部位向安装柱201方向延伸并且厚度逐渐变薄的过程中形成具有一定倾斜角度的斜面404，所述斜面404朝向洗衣机外部。
旋钮帽200需要穿过凸出部402与编码器202的转轴连接，通过将该斜面404朝向洗衣机外部，在安装旋钮帽200时能够对旋钮帽200起到一定的导向作用，使旋钮帽200更易插入。
进一步地，所述凸出部402为板状结构，板状的凸出部402与安装柱201的转动方向共面，板状的凸出部402的一端与限位部一体成型或固定连接，另一端与安装柱201间隔一定间隙用以限制所述旋钮帽200晃动。
凸出部402为板状结构，所述凸出部402与安装柱201的转动方向共面，当旋钮发生飘偏时，安装柱201与凸出部402相接触，该接触面为一段弧线，使二者之间的摩擦力较小，降低噪音，提高用户体验。
限位结构还包括具有支撑作用的支撑部405，所述支撑部405与电路板300固定连接。
当对旋钮帽施加一个较大的外力时，限位结构容易产生较大偏移，通过设置支撑结构，起到辅助支撑的作用，提高限位结构的抗冲击能力。
实施例二
如图1-5所示，本实施例为对实施例一的进一步限定，控制面板100上开设有使旋钮穿过的开口101，旋钮包括旋钮帽200和编码器202，控制面板100的内侧设置电路板300，编码器202安装在电路板300上，旋钮帽200上朝向电路板300的一侧具有安装柱201，编码器202朝向控制面板100的一侧具有转轴，旋钮帽200的安装柱201穿过开口101与转轴连接，用户旋转旋钮帽200，安装柱201转动带动编码器202的转轴转动，进而将角位移或直线位移转换成电信号对洗衣机进行控制。
限位结构整体为板状结构，一部分位于控制面板100的内侧，一部分位于控制面板100的外侧。
进一步地，限位结构的内侧与控制面板100的内壁一体成型，中部从开口101向控制面板100的外侧凸出，限位结构具有与控制面板100平行的圆形板状的限位板，所述限位板的中部开设限位口401，安装柱201穿过限位口401与编码器202的转轴连接，限位口401环绕安装柱201的外周并与安装柱201的外周间隔一定间距，限制旋钮的晃动或飘偏。
进一步地，所述限位口401的边缘向限位口401的中心延伸形成凸出部402，凸出部402在延伸过程中其沿安装柱201轴向方向的厚度逐渐变薄形成具有尖端403的凸出部，所述凸出部402的尖端403环绕安装柱201并与安装柱201间隔一定间距。
方案一：限位口401的边缘整体向限位口401的中心延伸，则尖端403环绕安装柱201 一周，由于尖端403很薄，旋钮正常转动时，尖端403与安装柱201间隔一定间隙不接触，当旋钮受外力发生飘偏时，尖端403与安装柱201接触，该接触部位不是面接触而是一段弧线，弧线与旋钮转动方向所在的平面共面，因此，能够有效的减少接触位置为摩擦，既能够实现限位，又能降低噪音，用户施力小，体验感好。
进一步地，限位口401与电路板300相对的一侧沿平行于限位板的内壁方向向外延伸，限位口401上远离电路板300的一侧向电路板300的方向偏折形成斜面404，使凸出部402的厚度逐渐变薄，该斜面404朝向洗衣机的外部，在安装柱201穿过限位口401时，具有一定的引导作用，方便安装柱201的插入。
方案二：限位口401的边缘也可以部分向限位口401的中心延伸形成具有尖端403的凸出部402，限位口401上多个部分向限位口401的中心延伸形成多个尖端403，这些尖端403环绕安装柱201一周，当旋钮受外力发生飘偏时，尖端403与安装柱201接触，凸出部402与安装柱201的外周为点接触，接触面更小，用户施力小，体验感好。
方案三：凸出部402为设置在限位口401边缘的薄板，薄板的板面与安装柱201的转动方向共面，使限位口401部位成型阶梯台，减少安装柱201与凸出部402的接触面积。
上述限位结构的内侧与控制面板100的内壁可以是焊接、螺钉连接或者螺栓连接；限位结构可以与控制面板100的内壁一体成型，使限位结构旋钮之间只存在制作过程产生的公差，限位效果更好。
进一步地，限位结构上与所述电路板300相对的一侧局部向电路板300的方向延伸形成支撑部405，所述支撑部405与电路板300插接固定。
具体来说，支撑部405的端部设有安装部，安装部的上部设有支撑凸台，电路板上设有过孔，安装部与过孔装配，支撑凸台与电路板的板面相抵，提高支撑强度。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。
Claims (10)
- 一种洗衣机的控制面板，控制面板设置在洗衣机上，洗衣机包括设置在控制面板内侧的电路板和设置在电路板上的旋钮，所述旋钮包括可转动的旋钮帽，其特征在于，控制面板包括在旋钮帽转动时用于限制所述旋钮帽晃动的限位结构，所述限位结构与控制面板一体成型或者固定连接。
- 根据权利要求1所述的一种洗衣机的控制面板，其特征在于，所述限位结构与控制面板的内侧一体成型或者固定连接；优选地，所述控制面板上设有开口，旋钮还包括设置在电路板上的编码器，旋钮帽穿过开口与编码器连接，所述控制面板的内壁向开口方向延伸形成限位结构，所述限位结构上靠近开口的端部限制旋钮帽的晃动。
- 根据权利要求1或2所述的一种洗衣机的控制面板，其特征在于，所述限位结构包括限位部和安装部，所述安装部与控制面板一体成型或者固定连接，所述限位部与所述旋钮帽的转动外周间隔一定间隙用以限制旋钮帽的晃动。
- 根据权利要求3所述的一种洗衣机的控制面板，其特征在于，旋钮帽包括与编码器的转轴连接的安装柱，所述限位部具有凸出部，所述凸出部与安装柱的外壁间隔一定间隙用以限制旋钮帽的晃动，所述凸出部在安装柱轴向方向的厚度小于所述限位部在该方向的厚度。
- 根据权利要求4所述的一种洗衣机的控制面板，其特征在于，所述限位部上与所述安装柱相对的部位向安装柱方向延伸并且厚度逐渐变薄形成凸出部。
- 根据权利要求5所述的一种洗衣机的控制面板，其特征在于，所述限位部上与所述安装柱相对的部位向安装柱方向延伸并且厚度逐渐变薄形成具有尖端的凸出部，所述凸出部的尖端与安装柱的外壁间隔一定间隙用以限制旋钮帽的晃动，所述限位部在逐渐变薄的过程中形成斜面；优选地，所述斜面朝向洗衣机外部。
- 根据权利要求4所述的一种洗衣机的控制面板，其特征在于，所述凸出部为板状结构，所述凸出部与安装柱的转动方向共面，所述凸出部的一端与限位部一体成型或固定连接，另一端与安装柱间隔一定间隙用以限制所述旋钮帽晃动。
- 根据权利要求4-7任一所述的一种洗衣机的控制面板，其特征在于，限位结构为限位板，限位板的外边缘与控制面的内壁固定连接或者一体成型，中部向所述开口外侧延伸形成形成限位部，限位部上开设限位口，安装柱穿过限位口与编码器连接，限位口的边缘向安装柱的方向延伸形成凸出部，凸出部在安装柱轴向方向的厚度小于限位板在该方向的厚度。
- 根据权利要求1-8任一所述的一种洗衣机的控制面板，其特征在于，限位结构还包括具有支撑作用的支撑部，所述支撑部与电路板固定连接；优选地，限位结构上与所述电路板相对的一侧局部向电路板的方向延伸形成支撑部，所述支撑部与电路板插接固定。
- 一种具有权利要求1-9任一所述的控制面板的洗衣机。
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| CN108691151B (zh) | 2020-08-11 |
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