Plastic button switch
The push-button switch, with its all-plastic structure and locking block track groove design, solves the problems of complex structure and continuous self-locking output in high insulation environments, achieving a simple self-locking and continuous output function.
Patent Information
- Application Number
- CN202423104434.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing push-button switches are complex in structure and cannot meet the requirements for self-locking continuous output when used in high insulation environments, and traditional metal materials cannot meet the requirements for full insulation.
The push-button switch, which adopts an all-plastic structure and incorporates a locking block and track groove design, achieves self-locking and continuous output functions. The housing, pressing part, and button drive rod are all made of plastic, and the circuit is continuously turned on and off by the sliding of the locking block in the track groove.
It achieves a simple self-locking function and continuous output in a high-insulation environment, meeting the needs of special environments. At the same time, it has a simple structure and meets the one-on-one-off function.
Smart Images
Figure CN223728640U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch technical field especially relates to a plastic button switch. BACKGROUND
[0002] The button switch is a kind of switch using button to push transmission mechanism, make moving contact and static contact and realize circuit switching on or off. The existing button switch usually only has one opening function, i.e. after the switch is pressed, the switch will directly pop up after the pressing force is released, i.e. the disconnection is realized, so that the button switch with only one opening function is generally not applicable to the circuit requiring continuous output, and the existing button switch with one opening and one closing function is locked after being pressed to realize continuous output, but the existing self-locking button switch with one opening and one closing function has complex structure, and is generally made of metal, i.e. it cannot meet the requirements of use in some special environments, i.e. the switch is required to be fully insulated except the metal parts used for circuit conduction inside. SUMMARY
[0003] In view of the above shortcomings, the utility model provides a plastic button switch which can be used in high-insulation environment and realize self-locking to ensure continuous output of circuit.
[0004] In order to achieve the above purpose, the utility model adopts a plastic button switch, which comprises a shell, a pressing part for limiting on the shell and making pressing action towards the inside of the shell, a pin for limiting in the shell and having a static contact, a moving contact for making moving action in the shell with the pressing part, and a button driving rod, one end of the button driving rod is connected with the pressing part, and the other end is limited in the shell, the shell, the pressing part and the button driving rod are all full-plastic structures, the button driving rod is provided with a moving contact piece transversely and limited on one end of the button driving rod extending into the shell, the two ends of the moving contact piece extend out of the button driving rod, the moving contact is distributed on the two ends of the moving contact piece, and the static contact is distributed below the two ends of the moving contact piece and corresponds to the moving contact respectively.
[0005] A driving rod limiting block is limited on one side of the shell facing the button driving rod, and a track groove is formed on the driving rod limiting block, the button driving rod is formed with a locking block on one side facing the driving rod limiting block, the track groove comprises a button pressing locking area and a button rebound locking area, the locking block extends into the track groove, the locking block moves up and down with the button driving rod and slides along the track in the track groove, the locking block is limited by being clamped in the button pressing locking area to form continuous conduction of circuit, and the locking block is limited by being clamped in the button rebound locking area to form disconnection of circuit.
[0006] The button switch of the utility model has the advantages that the shell, the pressing part and the button driving rod are all made of plastic, the moving contact, the static contact and the pin are metal structures, the button switch can be used in special environments, such as high insulation environments, and the button switch has the functions of opening and closing.
[0007] In addition, the utility model further relates to locking block on the side of button driving rod, corresponding locking block's position limit has driving rod limit block in the shell, and driving rod limit block on and set up has track groove, synchronous track groove relates to button press locking area and button rebound locking area, simultaneously button driving rod is synchronous with pressing part and presses down, locking block can slide in track groove, namely when button press locking area is inserted, button switch press after -down self -locking is formed, namely realizes circuit continuous conduction, when pressing part of button switch is pressed again, locking block that button press locking area is inserted slides out button press locking area and re -sliding with track groove, when button rebound locking area is inserted, also realizes the rebound of pressing part to the position, namely also realized circuit's break, further make the button switch of utility model relates to have a open and close function, can satisfy the circuit that needs circuit continuous conduction and use in, and its structure design is simple.
[0008] The utility model further sets up, the shell is set up with the placing area to the side relative to the locking block, driving rod limit block is embedded in the placing area, and with the activity space that is used for driving rod limit block to make lateral sliding is formed in the placing area, locking block that button driving rod moves up and down, through driving rod limit block in the activity space of placing area lateral sliding and in the placing area up and down movement action, form locking block in the track groove of driving rod limit block trajectory sliding action.
[0009] The utility model further sets up, the button drive pole is set up the elastic member limit hole on the axial position of one end of the shell, the button drive pole's pole wall is set up the horizontal through area which is through the button drive pole, and the horizontal through area is linked with the elastic member limit hole, and the dynamic contact piece is transversely placed in the button drive pole through the horizontal through area, and the dynamic contact piece is contacted with the hole of the elastic member limit hole, and the dynamic contact point and the static contact point are contacted through the button drive pole which is driven by the pressing part and is pressed down, and the dynamic contact point and the static contact point are contacted through the elastic member and are reset, and the elastic member is the spring.
[0010] The utility model further sets up, the full plastic shell includes the mounting seat and the cover, the horizontal through area on the button drive pole and the locking block and the dynamic contact piece and the dynamic contact point and the static contact point and the elastic member and the drive pole limit block are all distributed in the mounting seat, and the placing area is set up in the mounting seat, and the outside of the mounting seat is formed with the buckle, and the cover is set up with the buckle slot which is matched with the buckle, and the buckle is connected between the buckle slot and the buckle, and the mounting seat and the cover are assembled.
[0011] The utility model further sets up, the trajectory groove is reverse peach heart shape structure, the button rebound locking area is distributed in the peach heart tip part of the reverse peach heart shape trajectory groove, and the button press locking area is distributed in the peach heart recessed part of the reverse peach heart shape trajectory groove. ACCURATE DRAWINGS
[0012] Figure 1 It is the three-dimensional schematic diagram of the plastic button switch of the embodiment of the utility model;
[0013] Figure 2 It is the overhead schematic diagram of the plastic button switch of the embodiment of the utility model;
[0014] Figure 3 It is Figure 2 A-A sectional view schematic diagram of;
[0015] Figure 4 It is Figure 3 The enlarged schematic diagram of;
[0016] Figure 5 It is Figure 1 The enlarged schematic diagram of;
[0017] Figure 6 It is the three-dimensional schematic diagram of the plastic button switch of the embodiment of the utility model after the cover is removed;
[0018] Figure 7 It is the explosion state schematic diagram of the plastic button switch of the embodiment of the utility model after the cover and the base are removed;
[0019] Figure 8 It isFigure 7 is an enlarged schematic view of
[0020] Figure 9 is a three-dimensional schematic view of the driving rod limiting block of the embodiment of the utility model;
[0021] Figure 10 is a structural schematic view of the stationary contact, the pin, and the driving rod limiting block on the base of the embodiment of the utility model;
[0022] Figure 11 is Figure 10 an enlarged schematic view of DETAILED DESCRIPTION
[0023] As shown in Figures 1-11 , the embodiment of the utility model is a plastic button switch, which comprises a shell 2, a pressing part 1 which is limited on the shell 2 and makes a pressing action towards the inside of the shell 2, a pin 8 which is limited in the shell 2 and has a stationary contact 7, a moving contact 9 which moves in the shell 2 along with the pressing part 1, and a button driving rod 4, one end of the button driving rod 4 is connected with the pressing part 1, and the other end is limited in the shell 2, the shell 2, the pressing part 1, and the button driving rod 4 are all full-plastic structures, the button driving rod 4 is full-plastic, and a moving contact piece 5 is transversely arranged and limited on one end of the button driving rod 4 which extends into the shell 2, the two ends of the moving contact piece 5 extend out of the button driving rod 4, the moving contact 9 is distributed on the two ends of the moving contact piece 5, the stationary contact 7 is distributed below the two ends of the moving contact piece 5 and corresponds to the moving contact 9 respectively;
[0024] A driving rod limiting block 10 is limited in the shell 2 relative to the side towards the button driving rod 4, and a track groove 101 is formed on the driving rod limiting block 10, a locking block 41 is formed on the button driving rod 4 relative to the side towards the driving rod limiting block 10, the track groove 101 comprises a button pressing locking area d and a button rebounding locking area c, the locking block 41 extends into the track groove 101, the locking block 41 moves up and down along with the button driving rod 4 and slides along the track in the track groove 101, the locking block 41 is limited by being clamped in the button pressing locking area d to form a continuous conduction circuit, and is limited by being clamped in the button rebounding locking area c to form a disconnection circuit.
[0025] By adopting the full plastic structure of the shell 2, the pressing part 1 and the button driving rod 4 of the button switch, that is, the main parts of the button switch except the shell 2, the pressing part 1 and the button driving rod 4, the moving contact 7 and the static contact 7 and the pin 8 are also included, but the moving contact 7 and the static contact 7 and the pin 8 are the necessary parts for realizing the electrical connection, that is, the metal structure is necessary, so that after the full plastic structure of the shell 2, the pressing part 1 and the button driving rod 4 of the button switch is adopted, the button switch can belong to the category of the plastic button switch, so that the button switch can be used in some special environments, such as high insulation environment.
[0026] In addition, the utility model discloses the locking block 41 on the side of button driving rod 4, and the corresponding locking block 41 position limit of shell 2 has driving rod limit block 10, and the track groove 101 is set up on driving rod limit block 10, and the track groove 101 simultaneously involves button press locking area d and button rebound locking area c, and when button driving rod 4 is pressed with pressing part 1 simultaneously, locking block 41 can slide in track groove 101, that is, when button press locking area d is inserted, the self-locking of button switch is formed after being pressed, that is, the circuit is continuously conducted, and when the pressing part 1 of button switch is pressed again, the locking block 41 inserted in button press locking area d slides out of button press locking area d and slides along track groove 101 again, and when button rebound locking area c is inserted, the rebound of pressing part 1 is realized, that is, the circuit is disconnected, so that the button switch has the function of opening and closing, and can be used in the circuit that needs to be continuously conducted.
[0027] As Figure 7 , 9As shown in Fig. 11, the housing 2 is provided with a placement area 222 on the side facing the locking block 41, and the driving rod limiting block 10 is embedded in the placement area 222. An activity space e is formed in the placement area 222 for the lateral sliding of the driving rod limiting block 10. The locking block 41 moves up and down on the button driving rod 4, and through the lateral sliding of the driving rod limiting block 10 in the activity space e of the placement area 222 and the up and down movement of the driving rod limiting block 10 in the placement area 222, the design of the track sliding movement of the locking block 41 in the track groove 101 of the driving rod limiting block 10 is formed. During the pressing process of the button switch, the locking block 41 on the button driving rod 4 can be reliably limited by the driving rod limiting block 10. After the driving rod limiting block 10 is placed in the placement area 222, when the locking block 41 on the button driving rod 4 is pressed down with the pressing part 1, the driving rod limiting block 10 slides in the activity space e of the placement area 222 and slides in the upper area of the placement area 222, so that the button switch can be reliably locked during use, and the function of one opening and one closing is further realized.
[0028] As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10 and Fig. 11, the button switch comprises a housing 2, a pressing part 1, a button driving rod 4, a static contact 7, a dynamic contact 9, a dynamic contact 5, a spring 6 and a button 3. Figures 3-4 As shown in Fig. 7 and Fig. 8, the button driving rod 4 is provided with a spring limiting hole b on the axial position of the end extending into the housing 2. A transverse through area a is formed in the rod wall of the button driving rod 4 and communicates with the spring limiting hole b. The dynamic contact 5 is transversely arranged in the button driving rod 4 through the transverse through area a, and the spring 6 is arranged between the dynamic contact 5 and the spring limiting hole b. When the pressing part 1 drives the button driving rod 4 to press down, the contact between the dynamic contact 9 and the static contact 7 is formed. The spring 6 is reset by pressing down, and the contact between the dynamic contact 9 and the static contact 7 is released. The spring 6 is preferably designed as a spring. During the opening and closing process of the button switch, the reliable driving of the dynamic contact 9 towards the static contact is realized, and the reliable arrangement and limiting of the dynamic contact 9 on the button switch are ensured.
[0029] As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10 and Fig. 11, the button switch comprises a housing 2, a pressing part 1, a button driving rod 4, a static contact 7, a dynamic contact 9, a dynamic contact 5, a spring 6 and a button 3. Figures 1-2, 5-6, 10, the full plastic shell 2 includes a mounting seat 22, and the cover 21, the transverse through area a on the button drive rod 4 and the locking block 41, and the moving contact 5, the moving contact 9, the static contact 7, the elastic member 6, the drive rod limiting block 10 are distributed in the mounting seat 22, the placing area 222 is opened in the mounting seat 22, the outside of the mounting seat 22 is formed with the buckle 221, the cover 21 is opened with the buckle slot 211 matched with the buckle 221, the assembly between the mounting seat 22 and the cover 21 is formed by the snap type connection between the buckle slot 211 and the buckle 221, the assembly design can be realized, reliable assembly and limiting can be realized in the assembly process of the full plastic shell 2, and the external area of the metal piece in use is also insulated and protected, and the reliable limiting of the button drive rod 4 on the mounting seat 22 is also ensured.
[0030] As shown in Figure 7 , 9 , the trajectory groove 101 is in reverse peach heart shape structure, the button rebound locking area c is distributed in the peach heart tip part of the reverse peach heart trajectory groove 101, and the button pressing locking area d is distributed in the peach heart recessed part of the reverse peach heart trajectory groove 101; the reliability of the utility model and the implementation convenience of the production stage can be realized.
Claims
1. A plastic push button switch comprising a housing, a push portion positioned on the housing and making a pressing movement toward the inside of the housing, a pin positioned in the housing and having a stationary contact, a movable contact making a moving movement in the housing along with the push portion, characterized in that: The plastic button switch further comprises a button driving rod, one end of which is connected with the pressing part and the other end of which is limited in the shell, the shell, the pressing part and the button driving rod are all plastic structures, the button driving rod is provided with a movable contact piece transversely and limited on the end extending into the shell, the two ends of the movable contact piece extend out of the button driving rod, the movable contact points are distributed on the two ends of the movable contact piece, the static contact points are distributed below the two ends of the movable contact piece and correspond to the movable contact points respectively; The shell is provided with a driving rod limiting block limited on the side facing the button driving rod, and a track groove is formed on the driving rod limiting block, the button driving rod is provided with a locking block on the side facing the driving rod limiting block, the track groove comprises a button pressing locking area and a button rebounding locking area, the locking block extends into the track groove, moves up and down with the button driving rod and slides along the track groove, and is limited in the button pressing locking area to form a continuous conduction of the circuit and is limited in the button rebounding locking area to form a disconnection of the circuit.
2. The plastic pushbutton switch according to claim 1, characterized in that: The shell is provided with a placing area on the side facing the locking block, the driving rod limiting block is embedded in the placing area and is provided with a moving space for the lateral sliding of the driving rod limiting block in the placing area, the locking block moves up and down with the button driving rod, slides laterally in the moving space of the placing area and moves up and down in the placing area, so that the locking block slides along the track groove of the driving rod limiting block.
3. The plastic pushbutton switch according to claim 2, wherein: The button driving rod is provided with a spring limiting hole on the axial position of the end extending into the shell, a transverse through area is formed on the rod wall of the button driving rod and extends through the button driving rod, the transverse through area is communicated with the spring limiting hole, the movable contact piece is transversely arranged in the button driving rod through the transverse through area, and a spring is arranged between the movable contact piece and the spring limiting hole, the button driving rod is pressed by the pressing part to form the contact between the movable contact points and the static contact points, and the spring is reset to release the contact between the movable contact points and the static contact points.
4. The plastic pushbutton switch according to claim 3, wherein: The plastic shell comprises a mounting seat and a cover, the transverse through area, the locking block, the movable contact piece, the movable contact points, the static contact points, the spring and the driving rod limiting block are all arranged in the mounting seat, the placing area is formed in the mounting seat, the mounting seat is provided with a buckle on the outside, the cover is provided with a buckle groove matched with the buckle, the mounting seat and the cover are assembled through the buckle groove and the buckle.
5. The plastic pushbutton switch according to claim 1, 2 or 3, characterized in that: The track groove is in a reverse peach heart shape, the button rebounding locking area is arranged on the peach heart tip of the reverse peach heart track groove, and the button pressing locking area is arranged on the peach heart recess of the reverse peach heart track groove.
6. The plastic pushbutton switch according to claim 3 or 4, characterized in that: The spring is used as the spring.