Flat button switch

Abstract

The utility model relates to a flat button switch. The technical problem to be solved by the utility model is to provide a flat button switch which is stable in connection and reliable in action. According to the technical scheme, the flat button comprises a flat button base, an inner core, a reset spring, a flat button connecting sleeve and a lens, the inner core comprises an inner core pressing part and an inner core butt joint part, the inner core butt joint part is provided with inner core limiting protrusions at intervals around the arc, an inner core limiting clamping block is arranged between the two inner core limiting protrusions, and the inner core pressing part is connected with the inner core pressing part. A base through hole and a base upper limiting groove are formed in the flat button base, a spring lower positioning groove is formed in the inner wall of the middle of the flat button base, and the flat button base is provided with a base clamping block. The utility model has the advantages that: the inner core and the lens are clamped and matched with the lens anti-rotation bulge, so that the lens cannot rotate after being fastened, and compared with the old thread structure, the installation is quick and convenient, and the action is more reliable; the inner core limiting protrusion and the base limiting insertion opening are matched with each other, so that the inner core is not prone to loosening and shaking after being installed in the flat button base.

Description

Technical Field

[0001] The utility model relates to a flat button switch. Background Art

[0002] Flat button switch is one of the common control switches in the field of electric control. It opens or closes the circuit by pressing or releasing the button. Flat button switch usually includes a base, an inner core, a lens and a reset spring. The inner core is installed on the base, and the reset spring is compressed and arranged between the base and the inner core. According to customer feedback, the existing flat button switch has the following two problems in actual use: 1. The traditional inner core and lens are installed with a threaded structure, and the lens is easy to rotate during operation, which makes the operation unstable and unreliable; 2. The connection between the inner core and the base is generally tight. After frequent use, the inner core is easy to loosen and shake, which affects the service life of the product. Therefore, further improvement and optimization are needed. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a flat button switch with stable connection and reliable operation.

[0004] The technical solution adopted by the flat button switch of the utility model: includes a flat button base, an inner core, a reset spring, a flat button connecting sleeve and a lens, characterized in that the inner core includes an inner core pressing portion and an inner core docking portion, the inner core docking portion is provided with an inner core limiting protrusion around an arc interval, an inner core limiting clamping block is provided between two inner core limiting protrusions, a base through hole and a base upper limiting groove are provided in the flat button base, a spring lower positioning groove is provided on the inner wall of the middle part of the flat button base, a base clamping block for clamping the inner core limiting clamping block is provided outside the spring lower positioning groove around an arc interval on the flat button base, and a base limiting socket for inserting the inner core limiting protrusion is formed between the two base clamping blocks;

[0005] A lens docking groove is provided inside the lens, and lens clamping blocks are provided on the inner wall of the lens docking groove at intervals around a circular arc. An inner core inclined guide surface is provided at the upper end of the outer wall of the inner core pressing portion for facilitating the pressing of the lens clamping block, and an inner core clamping groove is provided at intervals around a circular arc at the lower end of the outer wall of the inner core pressing portion for clamping and limiting the lens clamping block.

[0006] The flat button connecting sleeve comprises an upper connecting sleeve portion and a lower connecting sleeve portion threadedly connected to the inner wall of the upper limit groove of the base, a connecting sleeve through hole for installing the lens is provided in the flat button connecting sleeve, and a lens anti-rotation protrusion arranged in an arc array and connected to the inner wall of the connecting sleeve through hole is provided on the outer wall of the lens.

[0007] The lens anti-rotation protrusion is a semicircular arc structure.

[0008] The inner core docking portion is provided with an inner core block yielding groove between the two inner core limiting protrusions, the inner core block yielding groove is provided with the inner core limiting block, and the inner core block yielding groove is provided with a block elastic yielding opening above the inner core limiting block.

[0009] The inner core limiting clamp block is provided with an inner core clamp block inclined guide surface for facilitating clamping and pressing.

[0010] The outer wall of the inner core docking part is provided with a spring upper positioning groove, the return spring is sleeved on the inner core docking part and placed between the spring upper positioning groove and the spring lower positioning groove, and the upper end surface of the base block is higher than the horizontal plane of the spring lower positioning groove.

[0011] The lens block is a wedge-shaped structure, and the number of the lens blocks is 4.

[0012] A conical pressing groove is provided in the middle of the upper surface of the lens.

[0013] The advantages of the flat button switch of the utility model are: the inner core and the lens are snap-connected and cooperate with the lens anti-rotation protrusion to ensure that the lens will not rotate after being fastened. Compared with the old-fashioned threaded structure, the installation is quick and convenient, the connection is tighter, and the action is more reliable; the inner core limiting protrusion and the base limiting socket cooperate with each other, so that the inner core is not easy to loosen or shake after being installed in the flat button base, the connection is tighter and firmer, and the service life is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a half-section view of the flat button switch of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the inner core of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the flat button base of the utility model;

[0018] Figure 4 It is a schematic diagram of the back structure of the lens of the utility model;

[0019] Figure 5 It is a schematic diagram of the front structure of the lens of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the flat button connecting sleeve of the utility model. DETAILED DESCRIPTION

[0021] like Figure 1-6As shown, the flat button switch involved in the utility model comprises a flat button base 1, an inner core 2, a reset spring 3, a flat button connecting sleeve 4 and a lens 5, the inner core 2 comprises an inner core pressing portion 10 and an inner core docking portion 11, the inner core docking portion 11 is provided with inner core limiting protrusions 13 at intervals around a circular arc, an inner core limiting clamping block 16 is provided between two inner core limiting protrusions 13, a base through hole 21 and a base upper limiting groove 22 are provided in the flat button base 1, a spring lower positioning groove 23 is provided on the inner wall of the middle part of the flat button base 1, and a base clamping block 24 for clamping the inner core limiting clamping block 16 is provided outside the spring lower positioning groove 23 at intervals around a circular arc on the flat button base 1, and a base clamping block 24 for inserting the inner core limiting protrusion 13 is formed between the two base clamping blocks 24. The base limiting socket 25; a lens docking groove 27 is provided inside the lens 5, and lens blocks 28 are provided on the inner wall of the lens docking groove 27 at intervals around a circular arc. The upper end of the outer wall of the inner core pressing portion 10 is provided with an inner core inclined guide surface 29 for pressing the lens block 28 in, and the lower end of the outer wall of the inner core pressing portion 10 is provided with an inner core slot 30 for the lens block 28 to be clamped and limited at intervals around a circular arc. The inner core 2 and the lens 5 are clamped to ensure that the lens will not rotate after being fastened. Compared with the old-fashioned threaded structure, the installation is fast and convenient, the connection is tighter, and the action is more reliable; the inner core limiting protrusion 13 cooperates with the base limiting socket 25 so that the inner core 2 is not easy to loosen or shake after being installed in the flat button base 1, the connection is tighter and firmer, and the service life is improved.

[0022] The flat button connecting sleeve 4 includes a connecting sleeve upper portion 35 and a connecting sleeve lower portion 36 threadedly connected to the inner wall of the upper limit groove 22 of the base. A connecting sleeve through hole 37 for installing the lens 5 is provided in the flat button connecting sleeve 4. The outer wall of the lens 5 is provided with a lens anti-rotation protrusion 32 arranged in an arc array and connected to the inner wall of the connecting sleeve through hole 37. The lens anti-rotation protrusion 32 can strengthen the connection tightness of the lens 5 placed in the connecting sleeve through hole 37.

[0023] The lens anti-rotation protrusion 32 is a semicircular arc structure, which makes the installation transition smoother, facilitates installation and is not prone to installation jams.

[0024] The inner core docking portion 11 is provided with an inner core block clearance groove 15 between the two inner core limiting protrusions 13, the inner core block clearance groove 15 is provided with the inner core limiting block 16, and the inner core block clearance groove 15 is provided with a block elastic clearance opening 17 above the inner core limiting block 16, so that the assembly of the inner core and the flat button base is more convenient and prevents difficulty in pressing.

[0025] The inner core limiting block 16 is provided with an inner core block inclined guide surface 18 for easy clamping and pressing.

[0026] The outer wall of the inner core docking portion 11 is provided with a spring upper positioning groove 19, the return spring 3 is sleeved on the inner core docking portion 11 and placed between the spring upper positioning groove 19 and the spring lower positioning groove 23, the upper end surface of the base block 24 is higher than the horizontal plane of the spring lower positioning groove 23, the return spring is accurately positioned to prevent the return spring from jumping when pressed.

[0027] The lens block 28 is a wedge-shaped structure. There are four lens blocks 28, which provide a more secure connection.

[0028] A conical pressing groove 33 is provided in the middle of the upper surface of the lens 5 .

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A flat button switch, comprising a flat button base (1), an inner core (2), a return spring (3), a flat button connecting sleeve (4) and a lens (5), characterized in that: The inner core (2) comprises an inner core pressing portion (10) and an inner core docking portion (11); the inner core docking portion (11) is provided with inner core limiting protrusions (13) at intervals around a circular arc; an inner core limiting clamping block (16) is provided between two inner core limiting protrusions (13); a base through hole (21) and a base upper limiting groove (22) are provided in the flat button base (1); a spring lower positioning groove (23) is provided on the inner wall of the middle part of the flat button base (1); a base clamping block (24) for clamping the inner core limiting clamping block (16) is provided outside the spring lower positioning groove (23) at intervals around a circular arc on the flat button base (1); a base limiting socket (25) for inserting the inner core limiting protrusion (13) is formed between the two base clamping blocks (24); A lens docking groove (27) is provided inside the lens (5), and lens clamping blocks (28) are provided on the inner wall of the lens docking groove (27) at intervals around a circular arc. An inner core inclined guide surface (29) is provided at the upper end of the outer wall of the inner core pressing portion (10) to facilitate the pressing of the lens clamping block (28), and an inner core clamping groove (30) for clamping and limiting the lens clamping block (28) is provided at the lower end of the outer wall of the inner core pressing portion (10) at intervals around a circular arc.

2. The flat button switch according to claim 1, characterized in that: The flat button connecting sleeve (4) comprises a connecting sleeve upper portion (35) and a connecting sleeve lower portion (36) threadedly connected to the inner wall of the upper limit groove (22) of the base, a connecting sleeve through hole (37) for mounting the lens (5) is provided in the flat button connecting sleeve (4), and a lens anti-rotation protrusion (32) arranged in an arc array and connected to the inner wall of the connecting sleeve through hole (37) is provided on the outer wall of the lens (5).

3. The flat button switch according to claim 2, characterized in that: The lens anti-rotation protrusion (32) is a semicircular arc structure.

4. The flat button switch according to claim 1, characterized in that: The inner core docking portion (11) is provided with an inner core clamping block clearance groove (15) between the two inner core limiting protrusions (13), the inner core clamping block clearance groove (15) is provided with the inner core limiting clamping block (16), and the inner core clamping block clearance groove (15) is provided with a clamping block elastic clearance opening (17) above the inner core limiting clamping block (16).

5. The flat button switch according to claim 4, characterized in that: The inner core limit clamping block (16) is provided with an inner core clamping block inclined guide surface (18) for facilitating clamping and pressing.

6. The flat button switch according to claim 1, characterized in that: The outer wall of the inner core docking portion (11) is provided with a spring upper positioning groove (19), the return spring (3) is sleeved on the inner core docking portion (11) and is placed between the spring upper positioning groove (19) and the spring lower positioning groove (23), and the upper end surface of the base clamping block (24) is higher than the horizontal plane of the spring lower positioning groove (23).

7. The flat button switch according to claim 1, characterized in that: The lens clamping block (28) is a wedge-shaped structure, and the number of the lens clamping blocks (28) is four.

8. The flat button switch according to claim 1, characterized in that: A conical pressing groove (33) is provided in the middle of the upper surface of the lens (5).

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