Washing machine door switch
By combining a micro switch and a swing arm, the problem of the conductive components of the washing machine door switch being susceptible to environmental influences is solved, achieving higher protection performance and stability, and extending service life.
Patent Information
- Application Number
- CN202520014781.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The conductive components of existing washing machine door switches are susceptible to adhesion and corrosion from environmental impurities, leading to poor contact and malfunction, which affects service life and stability.
It adopts a micro switch and swing arm structure. The rod of the swing arm contacts and separates from the pressing part of the micro switch. The conductive components are integrated into the micro switch housing to avoid the influence of the external environment, and the stability is enhanced by the limiting and guiding structure.
It improves the protective performance and stability of the washing machine door switch, extends its service life, and avoids problems such as poor contact and malfunction.
Smart Images
Figure CN223688625U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a switch especially a washing machine door switch. BACKGROUND
[0002] The washing machine door switch is an important safety and control component in the washing machine, and one of the main functions is to ensure the safety of the user, when the washing machine door is closed, the door switch is closed, allowing the washing machine to run, if the door is opened, the door switch is disconnected, and the washing machine stops running, avoiding the user from being injured when opening the door during the operation of the washing machine, the washing machine door switch in the prior art usually comprises a connecting shell, a moving contact and a static contact, the connecting shell is used for connecting the washing machine body, the moving contact and the static contact extend to the outside of the connecting shell and form a transmission cooperation with the washing machine, the user closes the washing machine door to drive the moving contact and the static contact to contact and form a communication, and after the user opens the washing machine door, the moving contact is elastically reset and separated from the static contact, but due to the environment of the washing machine, the exposed contact is easy to be attached by impurities and is also easy to be corroded, resulting in the problems of poor switch contact and failure. SUMMARY
[0003] In view of the defects of the prior art, the utility model provides a washing machine door switch which has good protection performance and higher stability.
[0004] To achieve the above-mentioned purpose, the utility model provides a washing machine door switch which has a connecting shell, a micro switch and a swing arm, the swing arm is swingingly arranged in the connecting shell, the micro switch is embedded in the connecting shell corresponding to the lower part of the swing arm, the micro switch comprises a pressing part, the swing arm comprises a rod part extending upwards and an abutting part extending to one side, the rod part can swing to the other side to separate the abutting part from the pressing part when the washing machine door is opened, and the abutting part can be elastically reset to abut on the pressing part of the micro switch.
[0005] The utility model discloses a washing machine door switch which has a connecting shell, a micro switch and a swing arm, the swing arm is swingingly arranged in the connecting shell, the micro switch is embedded in the connecting shell corresponding to the lower part of the swing arm, the micro switch comprises a pressing part, the swing arm comprises a rod part extending upwards and an abutting part extending to one side, the rod part can swing to the other side to separate the abutting part from the pressing part when the washing machine door is opened, and the abutting part can be elastically reset to abut on the pressing part of the micro switch.
[0006] The utility model discloses further can set up: the connecting shell include interval part, column part and two clamping parts, the column part and clamping part set up respectively at interval part's upper and lower two sides, the swing arm rotates and is sleeved in the column part, and the end of clamping part is provided with the hook of gradually small, the micro -switch is installed between two clamping parts.
[0007] Through further setting, set interval part, column part and two clamping parts in connecting shell, separate swing arm and micro -switch through interval part, reduce the influence that swing arm rotating process can cause to micro -switch, through swing arm rotating and being sleeved on column part, form the rotary connection of swing arm, and set gradually small hook at the end of clamping part, can provide orientation when installing micro -switch, and form the clamping after installing, guarantee the firm basis of convenient installation of connection.
[0008] The utility model discloses further can set up: set up limit head and torsional spring on the column part, the torsional spring is sleeved the column part between connecting shell and swing arm, and the torsional spring forms two respectively abuts on swing arm and connecting shell's end, the limit head is by several radial elastic expansion's extension part constitutes, and the end of extension part gradually small setting.
[0009] Through further setting, set limit head and torsional spring on the column part, set the torsional spring between connecting shell and swing arm can through the elastic extrusion swing arm of torsional spring, avoid the situation that swing arm loosens in use process, and set two respectively abutting on swing arm and connecting shell's end on the torsional spring, can provide the force of elastic reset after swing arm swings, and set limit part on the column part, make limit head constitute radial elastic expansion's extension part, and make limit head end gradually small setting, limit head radial expansion and cooperate gradually small setting can conveniently swing arm and form limit when installing.
[0010] The utility model discloses further can set up: set up fender and boss at interval part corresponding abutting part place, the fender is located at the both sides of abutting part, the boss is located on the movement track of abutting part.
[0011] Through further setting, set fender and boss at interval part corresponding abutting part place, form the limitation to abutting part swing direction through the fender board located at both sides, avoid the poor contact caused by abutting part left and right swing, and the setting of boss on the movement track of abutting part can form the limit to abutting part, avoid the problem that the degree of abutting part pressing is too deep, causes micro -switch to be pushed and extruded position deformation.
[0012] The utility model discloses further can set up: set up guide plate on the connecting shell, one end of the guide plate and micro -switch below abut and cooperate, and the other end of guide plate extends vertically and is provided with clamping part at the end.
[0013] Further, a guide plate is arranged on the connecting shell, which limits the micro switch from below and limits the plug-in part matched with the guide plate, and finally the hook part on the guide plate and the plug-in part are connected and positioned, which is convenient for use. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 Structure diagram of the utility model embodiment Figure 1 ;
[0015] Figure 2 Structure diagram of the utility model embodiment Figure 2 ;
[0016] Figure 3 Structure diagram of the connecting shell in the utility model embodiment
[0017] Figure 4 Structure diagram of the utility model embodiment in use state
[0018] The utility model discloses a washing machine door switch, which comprises a connecting shell, a micro switch and a swing arm. DETAILED DESCRIPTION
[0019] The utility model discloses a washing machine door switch, which comprises a connecting shell, a micro switch and a swing arm. Figures 1-4 As shown in the embodiment, the utility model discloses a washing machine door switch, which comprises a connecting shell, a micro switch and a swing arm.
[0020] The connecting shell comprises a spacing part, a column part and two clamping parts, the column part and the clamping part are arranged at the upper and lower sides of the spacing part respectively, the swing arm is rotatably sleeved on the column part, the end of the clamping part is provided with a gradually decreasing hook part, and the micro switch is clamped between the two clamping parts.
[0021] The column part 12 is provided with a limiting head 121 and a torsion spring 4, the torsion spring 4 is sleeved on the column part 12 and is correspondingly connected between the connecting shell 1 and the swing arm 3, and the torsion spring 4 is formed with two end portions 41 which abut against the swing arm 3 and the connecting shell 1 respectively, and the limiting head 121 is composed of a plurality of radially elastic expansion extensions, and the end of the extension is gradually reduced.
[0022] The spacing part 11 is provided with a baffle 14 and a boss 15 at the position corresponding to the abutting part 32, the baffle 14 is located at both sides of the abutting part 32, and the boss 15 is located on the movement track of the abutting part 32.
[0023] The connecting shell 1 is provided with a guide plate 16, one end of the guide plate 16 is abuttingly connected with the micro switch 2, and the other end of the guide plate 16 vertically extends and is provided with a clamping part 161 at the end.
[0024] The above examples are only one of the preferred specific examples of the present application, and the common changes and replacements made by the person skilled in the art within the technical scheme of the present application are all included in the protection scope of the present application.
Claims
1. A washing machine door switch comprising a connecting housing, characterized in that: The utility model discloses a microswitch and swing arm, the swing arm swing sets up in connecting shell, the microswitch is embedded in the lower place of connecting shell corresponding swing arm, and the microswitch includes the press part, and the swing arm includes the pole part that extends to the upper side and the abutment part that extends to the side direction, the pole part can swing to the abutment part and the press part are separated to the other side direction when the door of washing machine is opened, and the abutment part can be elastically reset to the abutment on the press part of microswitch with the pole part.
2. The washing machine door switch according to claim 1, characterized in that: The connecting shell includes spacing part, column part and two clamping parts, the column part and clamping part are arranged at the upper and lower sides of spacing part respectively, the swing arm is sleeved on the column part, the end of clamping part is provided with gradually smaller hook part, and the microswitch is clamped between the two clamping parts.
3. The washing machine door switch according to claim 2, characterized in that: The column part is provided with a limiting head and a torsion spring, the torsion spring is sleeved on the column part between the connecting shell and the swing arm, and the torsion spring has two end portions abutting on the swing arm and the connecting shell respectively, the limiting head is composed of a plurality of radially elastic expansion extension portions, and the end of the extension portion is gradually smaller.
4. A washing machine door switch according to claim 2 or 3, characterised in that: The spacing part is provided with a stop edge and a boss corresponding to the abutment part, the stop edge is located at both sides of the abutment part, and the boss is located on the movement track of the abutment part.
5. The washing machine door switch according to claim 1 or 2 or 3, characterized in that: The connecting shell is provided with a guide plate, one end of the guide plate is in abutting engagement with the microswitch below, and the other end of the guide plate extends vertically and is provided with a clamping portion at the end.