Switch convenient to connect and install
By designing switches that are easy to connect and install, and using snap-on connection, the problem of low installation efficiency of rotary control switches in the existing technology is solved, and the rapid installation of switches and the improvement of production efficiency of household appliances is achieved.
Patent Information
- Application Number
- CN202422068095.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-23
AI Technical Summary
The installation methods of rotary control switches on existing household appliances are mostly screw-punching, which leads to low installation efficiency and inability to improve production efficiency.
A switch for easy connection and installation is designed, and a snap connection method is used to clamp the left and right clamps on the upper case to achieve quick one-time installation.
It greatly improves the installation efficiency of switches, further improves the production efficiency of household appliances, and meets actual production needs.
Smart Images

Figure CN223023114U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of switches, and more particularly to a switch that is convenient for connection and installation. Background Art
[0002] With the increasing development of household appliances, the types are becoming more and more abundant, and the penetration rate is also getting higher and higher. For example: wall breakers, blenders, soy milk makers, washing machines, etc. For the rotary control switches used in household appliances, most of their installation methods are to use screws to achieve firm connection, that is, multiple screw actions reduce the installation efficiency, thus unable to further improve the production efficiency of household appliances. Therefore, those skilled in the art urgently need to develop a switch that is convenient for connection and installation to meet more actual usage requirements. Utility Model Content
[0003] The problem to be solved by this application is to provide a switch applied to convenient connection and installation for the above-mentioned existing technical problems.
[0004] To solve the above technical problems, this application is achieved through the following technical solutions:
[0005] A switch convenient for connection and installation includes an upper housing, a lower housing connected to the lower side of the upper housing, a rotatable rotating member provided on the upper housing, a gear position limiting structure provided between the upper housing and the rotating member for limiting the rotation position of the rotating member, and a moving contact provided on the lower side of the rotating member and extending downward out of the lower housing for contacting multiple static contacts. An intermediate upper convex portion protruding upward is provided in the middle of the upper housing. A left clamping portion is provided on the left side of the outside of the intermediate upper convex portion, and a right clamping portion is provided on the right side of the outside thereof. The left clamping portion and the right clamping portion cooperate to be clamped with an external connecting member.
[0006] For the switch convenient for connection and installation as described above, the left clamping portion and the right clamping portion are symmetrically arranged left and right.
[0007] For the switch convenient for connection and installation as described above, the shapes of the left clamping portion and the right clamping portion are both fan-shaped.
[0008] For the switch convenient for connection and installation as described above, the fan angles of the left clamping portion and the right clamping portion are both 173° - 175°.
[0009] For the switch convenient for connection and installation as described above, a vertically penetrating hole for making way for connecting the rotating member is provided in the middle of the intermediate upper convex portion.
[0010] For the switch convenient for connection and installation as described above, the gear position limiting structure includes:
[0011] A connecting cavity is formed inside the upper housing and is communicated with the upper and lower through holes;
[0012] A spring clamping part is arranged inside the connecting cavity, protrudes towards the middle direction thereof, and is provided with a clamping opening;
[0013] There are multiple gear positions, which are closely arranged along the circumferential direction of the connecting cavity on the inner side wall of the connecting cavity, and are far away from the spring clamping part;
[0014] A spring compression part is arranged on the rotating part, protrudes outwards along the radial direction of the rotating part, and is provided with a receiving opening;
[0015] A telescopic clamping group is arranged on the receiving opening for telescopically clamping on the gear positions;
[0016] A spring support part is arranged on the rotating part, below the spring compression part, and is used to cooperate with the spring compression part and the spring clamping part to form a pre-tightening spring receiving cavity;
[0017] A pre-tightening spring is arranged in the pre-tightening spring receiving cavity, one end of which is clamped on the clamping opening, and the other end is limited by the spring compression part.
[0018] For the switch for convenient connection and installation as described above, the pre-tightening spring is a telescopic compression spring and is arranged in an arc shape.
[0019] For the switch for convenient connection and installation as described above, the switch for convenient connection and installation further includes a knob part detachably connected to the rotating part for rotating the rotating part.
[0020] For the switch for convenient connection and installation as described above, the connection method between the lower housing and the upper housing is a snap connection method.
[0021] Compared with the prior art, the above application has the following advantages:
[0022] For the switch for convenient connection and installation in this application, the left clamping part arranged on the upper housing clamps the left clamping opening on the external connecting part, and the right clamping part arranged on the upper housing clamps the right clamping opening on the external connecting part, and then the one-time rapid installation can be realized, so that not only the installation efficiency of the switch can be greatly improved, but also the production efficiency of household appliances can be further improved to meet the actual production requirements. Description of the Drawings
[0023] Figure 1 is a perspective view of the switch for convenient connection and installation in this application.
[0024] Figure 2It is an exploded view of the switch for easy connection and installation during installation.
[0025] Figure 3 is Figure 2 a partially enlarged view of Figure Ⅰ .
[0026] Figure 4 It is an exploded view of the switch for easy connection and installation of the present application.
[0027] Figure 5 It is an isometric view of another perspective of the switch for easy connection and installation of the present application.
[0028] Figure 6 It is an isometric view of the upper housing in the switch for easy connection and installation of the present application.
[0029] Figure 7 It is an isometric view of another perspective of the upper housing in the switch for easy connection and installation of the present application.
[0030] Figure 8 It is a cross-sectional view of the switch for easy connection and installation of the present application.
[0031] Figure 9 is Figure 8 a partially enlarged view of Figure Ⅱ .
[0032] Figure 10 It is a left view of the upper housing in the switch for easy connection and installation of the present application.
[0033] Figure 11 is Figure 10 a partially enlarged view of Figure Ⅲ . Detailed implementation manners
[0034] The present application will be further described in detail below in conjunction with the accompanying drawings through specific implementation manners.
[0035] Such as Figures 1 to 11As shown in the figure, a switch 100 that is convenient for connection and installation includes an upper housing 1, a lower housing 7 connected to the lower side of the upper housing 1, a rotatable rotating member 2 provided on the upper housing 1, a gear position limiting structure provided between the upper housing 1 and the rotating member 2 for limiting the rotation position of the rotating member 2, and a moving contact 4 provided on the lower side of the rotating member 2 and extending downward out of the lower housing 7 for contacting a plurality of static contacts; a middle upper convex portion 11 that protrudes upward is provided in the middle of the upper housing 1, a left clamping portion 111 is provided on the left side of the outside of the middle upper convex portion 11, and a right clamping portion 112 is provided on the right side of the outside thereof. The left clamping portion 111 and the right clamping portion 112 cooperate to be clamped with an external connecting member 300; a left clamping opening 301 that can be passed through and clamped by the left clamping portion 111 is provided on the external connecting member 300, and a right clamping opening 302 that can be passed through and clamped by the right clamping portion 112 is also provided.
[0036] For the switch that is convenient for connection and installation in this application, the left clamping portion 111 provided on the upper housing 1 clamps the left clamping opening 301 on the external connecting member 300, and the right clamping portion 112 provided on the upper housing 1 clamps the right clamping opening 302 on the external connecting member 300. Subsequently, rapid installation can be achieved at one time, which can not only greatly improve the installation efficiency of the switch, but also further improve the production efficiency of household appliances and meet the actual production requirements.
[0037] Further, the static contacts are arranged on a PCB circuit board 200.
[0038] Furthermore, the left clamping portion 111 and the right clamping portion 112 are symmetrically arranged left and right. The purpose is to facilitate processing and production.
[0039] Furthermore, the shapes of the left clamping portion 111 and the right clamping portion 112 are both fan-shaped. The angles of the fan-shaped angles β of the left clamping portion 111 and the right clamping portion 112 are both 173° - 175°, preferably 174°. The advantage is that it can not only enable the left clamping portion 111 to be smoothly clamped on the left clamping opening 301 and the right clamping portion 112 to be smoothly clamped on the right clamping opening 302, but also improve the clamping stability of the entire switch and avoid loosening.
[0040] Furthermore, a vertically penetrating hole 113 for making way for connecting the rotating member 2 is provided in the middle of the middle upper convex portion 11 and penetrates up and down. The purpose is to make way for the upper end of the rotating member 2 to protrude out of the upper housing 1.
[0041] Furthermore, the gear position limiting structure includes a connecting cavity 31, a spring clamping portion 32, a gear position clamping portion 33, a spring compression portion 34, a telescopic clamping group 35, a spring support portion 36, and a pre-tightening spring 37;
[0042] The connecting cavity 31 is formed inside the upper housing 1 and communicates with the upper and lower through holes 113; the spring clamping portion 32 is arranged inside the connecting cavity 31 and protrudes towards the middle thereof, and a clamping opening 321 is formed therein; the number of gear positions 33 is multiple, and they are closely arranged along the circumferential direction of the connecting cavity 31 on the inner side wall of the connecting cavity 31, and they are away from the spring clamping portion 32; the spring compression portion 34 is arranged on the rotating member 2 and protrudes outward along the radial direction of the rotating member 2, and a receiving opening 341 is formed therein; the telescopic clamping group 35 is arranged on the receiving opening 341 for telescopically clamping on the gear positions 33; the spring support portion 36 is arranged on the rotating member 2 and is located below the spring compression portion 34 for cooperating with the spring compression portion 34 and the spring clamping portion 32 to form a pre-tightening spring receiving cavity; the pre-tightening spring 37 is arranged in the pre-tightening spring receiving cavity, and one end thereof is clamped on the clamping opening 321, and the other end is limited by the spring compression portion 34.
[0043] The purpose of the gear position limiting structure of the present application is to achieve switch gear shifting and stabilize the gear position after gear shifting.
[0044] Furthermore, the pre-tightening spring 37 is a telescopic compression spring and is arranged in an arc shape. The purpose is to meet the actual use requirements.
[0045] Furthermore, the switch 100 facilitating connection and installation further includes a knob member 5 detachably connected to the rotating member 2 for rotating the rotating member 2. The purpose is to easily rotate the rotating member 2 through the knob member 5.
[0046] Furthermore, the connection method between the lower housing 7 and the upper housing 1 is a snap connection method. The purpose is to achieve direct snap connection and reduce installation operations.
[0047] In summary, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made to the present application, they still fall within the protection scope of the present application.
Claims
1. A switch that is easy to connect and install, comprising an upper housing (1), a lower housing (7) connected to the lower side of the upper housing (1), a rotatable rotating component (2) provided on the upper housing (1), a gear limiting structure provided between the upper housing (1) and the rotatable component (2) for limiting the rotation position of the rotatable component (2), and a moving contact (4) provided on the lower side of the rotatable component (2) and extending downward from the lower housing (7) for contacting with a plurality of stationary contacts, characterized in that: The upper shell (1) is provided with an upwardly protruding middle upper convex portion (11) in the middle, a left clamping portion (111) is provided on the left side of the outside of the middle upper convex portion (11), and a right clamping portion (112) is provided on the right side of the outside, the left clamping portion (111) and the right clamping portion (112) cooperate to be clamped with an external connecting piece.
2. The switch that is easy to connect and install according to claim 1, characterized in that: The left clamping portion (111) and the right clamping portion (112) are arranged symmetrically.
3. The switch that is easy to connect and install according to claim 2, characterized in that: The left clamping portion (111) and the right clamping portion (112) are both fan-shaped.
4. The switch that is easy to connect and install according to claim 3 is characterized in that: The sector angles of the left clamping portion (111) and the right clamping portion (112) are both 173° to 175°.
5. The switch that is easy to connect and install according to claim 1, characterized in that: The middle portion of the middle upper convex portion (11) is provided with upper and lower through holes (113) which penetrate the upper and lower portions and are used to allow for connection with the rotating component (2).
6. The switch that is easy to connect and install according to claim 5, characterized in that: The gear position limiting structure comprises: A connecting cavity (31) is provided inside the upper shell (1) and is connected to the upper and lower through holes (113); A spring clamping portion (32) is disposed inside the connecting cavity (31) and protrudes toward the middle thereof, and is provided with a clamping opening (321); There are a plurality of gear-position latching positions (33), which are arranged on the inner wall of the connecting cavity (31) in close proximity along the circumferential direction of the connecting cavity (31) and are far away from the spring latching portion (32); A spring compression portion (34) is disposed on the rotating component (2) and extends outwardly in the radial direction of the rotating component (2), and is provided with a receiving opening (341); A telescopic latching position group (35), which is arranged on the accommodating opening (341) and is used for being telescopically latched on the gear latching position (33); A spring support portion (36) is provided on the rotating component (2) and is located at the lower side of the spring compression portion (34), and is used to cooperate with the spring compression portion (34) and the spring clamping portion (32) to form a preloaded spring accommodating cavity; A preload spring (37) is disposed in the preload spring accommodating cavity, and one end of the preload spring is clamped on the clamping opening (321), while the other end is limited by the spring compression portion (34).
7. The switch that is easy to connect and install according to claim 6, characterized in that: The preload spring (37) is a telescopic compression spring and is arranged in an arc shape.
8. The switch that is easy to connect and install according to claim 1, characterized in that: The switch that is easy to connect and install also includes a twisting component (5) that is detachably connected to the rotating component (2) and is used to rotate the rotating component (2).
9. The switch that is easy to connect and install according to claim 1, characterized in that: The lower shell (7) and the upper shell (1) are connected in a snap-fit connection manner.