Shell clamping structure of multi-layer contact button switch

Abstract

A multi-layer contact button switch shell clamping structure is characterized in that the multi-layer contact button switch shell clamping structure at least comprises a button, a button base, an elastic drag hook and a plurality of contact module shells, the button base is provided with a hooking structure part, a button base body and a first clamping head, and each contact module shell is provided with an elastic clamping leg, a module main shell and a second clamping head. The elastic drag hook is provided with a hook head, a hook body and an elastic abutting part; the elastic clamping leg is buckled with the first clamping head, so that the contact module shell at the upper part is clamped with the button seat; the elastic clamping leg is buckled with the second clamping head, so that the contact module shells are mutually clamped; the hook head is hooked with the hooking structure part, and the elastic abutting part abuts against the bottom of the contact module shell at the lower part, so that the button seat and all the contact module shells are hooked and connected together by the elastic hook, and the whole multi-layer contact button switch is firmer.

Description

Technical Field

[0001] The utility model relates to the field of push button switches, in particular to a shell clamping structure of a multi-layer contact push button switch. Background Art

[0002] A push button switch is a switch that uses a button to push the transmission mechanism to connect or disconnect the moving contact and the static contact and realize circuit switching. A push button switch is a master electrical appliance with a simple structure and a wide range of applications. In electrical automatic control circuits, it is used to manually send control signals to control contactors, relays, electromagnetic starters, etc.

[0003] The multi-layer contact button switch adopts a modular design to achieve multi-layer connection. Each layer can realize the simultaneous installation of one to four groups of contact modules, which is highly efficient and low cost. However, there are also problems such as loose connection, easy loosening or falling. Therefore, how to make the multi-layer contact button switch connection more secure is worth thinking about and solving. Summary of the invention

[0004] The technical problem to be solved by the utility model is to solve the problem that the connection of a multi-layer contact button switch is not firm enough.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a multi-layer contact button switch shell clamping structure, characterized in that: it at least includes a button, a button seat, an elastic hook and several contact module shells, the button seat has a hooking structure, a button seat main body and a first clamping head, the contact module shell has an elastic clamping leg, a module main shell and a second clamping head, and the elastic hook has a hook head, a hook body and an elastic resistance part; the elastic clamping leg is clamped with the first clamping head, so that the upper contact module shell is clamped with the button seat; the elastic clamping leg is clamped with the second clamping head, so that the contact module shells are clamped with each other; the hook head is hooked with the hooking structure, and the elastic resistance part is in conflict with the bottom of the lower contact module shell, so that the elastic hook hooks the button seat and all the contact module shells together, so that the multi-layer contact button switch as a whole will be more secure.

[0006] Preferably, the elastic resisting portion on the elastic hook is W-shaped, so that the elastic hook has elasticity, ensuring that the elastic resisting portion resists the bottom of the contact module housing.

[0007] Preferably, the hook-pull structure is an aluminum gasket. Further, a light hole is provided on the side of the hook-pull structure, and the hook head of the elastic hook is hooked with the light hole. Alternatively, a groove is provided on the upper end surface of the hook-pull structure, and the hook head of the elastic hook is hooked with the groove. Preferably, a boss is provided at the bottom of the hook-pull structure, and correspondingly, a slot is provided on the button seat body, and the boss is engaged with the slot.

[0008] Preferably, the hook head of the elastic hook is bent from a steel wire into an L-shape, with a bending angle less than 90°. Alternatively, the hook head of the elastic hook is bent from a steel wire into a U-shape.

[0009] The beneficial effects brought by the utility model are: providing a button switch shell clamping structure, which at least includes a button, a button seat, an elastic hook and a plurality of contact module shells, wherein the button seat is clamped with the uppermost contact module shell, and the plurality of contact module shells are self-clamped, and the elastic hook hooks the button seat and all the contact module shells together, so that the multi-layer contact button switch will be more secure as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 An exploded schematic diagram of the housing engagement structure of the multi-layer contact button switch of the utility model is shown; (first embodiment)

[0011] Figure 2 The assembly effect diagram of the housing engagement structure of the multi-layer contact button switch of the utility model is shown; (first embodiment)

[0012] Figure 3 An exploded schematic diagram of the housing engagement structure of the multi-layer contact button switch of the utility model is shown; (second embodiment)

[0013] Figure 4 The assembly effect diagram of the housing engagement structure of the multi-layer contact button switch of the utility model is shown; (second embodiment)

[0014] Figure 5 A schematic diagram showing the structure of the lower elastic hook of the utility model; (second embodiment)

[0015] Figure 6 A schematic diagram showing the structure of the lower elastic hook of the utility model; (first embodiment)

[0016] Figure 7 A schematic diagram showing the structure of the lower hook-pull structure of the utility model; (second embodiment) DETAILED DESCRIPTION

[0017] According to the attached drawings, in order to avoid confusion, the following explanation is given: the first embodiment and the second embodiment show that the number of contact module housings (3) used is different, but both embodiments do not limit the specific number of contact module housings (3) used. Generally, the number of contact module housings (3) used is 2 to 5; in addition, the first embodiment and the second embodiment show different hooking methods between the hook head (41) and the hooking structure (21), and the rest of the structures are basically the same. Therefore, the following description combines the first embodiment with the second embodiment for explanation.

[0018] like Figures 1 to 4 As shown, a multi-layer contact button switch housing clamping structure is characterized in that it comprises at least a button (1), a button seat (2), an elastic hook (4) and a plurality of contact module housings (3), wherein the button seat (2) comprises a hooking structure (21), a button seat body (22) and a first clamping head (23), the contact module housing (3) comprises an elastic clamping leg (31), a module main shell (32) and a second clamping head (33), and the elastic hook (4) comprises a hook head (41), a hook body (42) and an elastic contact portion (43); the elastic clamping leg ( The elastic clamping leg (31) is locked with the first clamping head (23), so that the upper contact module housing (3) is locked with the button seat (2); the elastic clamping leg (31) is locked with the second clamping head (33), so that the contact module housings (3) are locked with each other; the hook head (41) is hooked with the hooking structure (21), and the elastic abutting part (43) is abutted with the bottom of the lower contact module housing (3), so that the elastic hook (4) hooks and connects the button seat (2) and all the contact module housings (3) together, so that the multi-layer contact button switch will be more secure as a whole.

[0019] As a preference, Figure 5 or Figure 6 As shown, the elastic contact portion (43) on the elastic hook (4) is W-shaped, so that the elastic hook has elasticity, ensuring that the elastic contact portion (43) contacts the bottom of the contact module housing (3).

[0020] As a preference, Figure 1 or Figure 3 As shown, the hooking structure (21) is an aluminum gasket. Figure 3 , Figure 4 as well as Figure 7 As shown, a light hole (21.1) is provided on the side of the hooking structure (21), and the hook head (41) of the elastic hook (4) is hooked with the light hole (21.1). Figure 1 As shown, the upper end surface of the hooking structure (21) is provided with a groove (21.3), and the hook head (41) of the elastic hook (4) is hooked with the groove (21.3). Figure 3 as well as Figure 7 As shown, a boss (21.2) is disposed at the bottom of the hook structure (21), and correspondingly, a slot (22.1) is provided on the button seat body (22), and the boss (21.2) is engaged with the slot (22.1).

[0021] As a preference, Figure 5 As shown, the hook head (41) of the elastic hook (4) is bent into an L-shape by a steel wire, and the bending angle is less than 90°. Figure 6As shown, the hook head (41) of the elastic hook (4) is made of steel wire bent into a U shape.

[0022] The beneficial effects brought by the utility model are: providing a button switch shell clamping structure, which at least includes a button, a button seat, an elastic hook and a plurality of contact module shells, wherein the button seat is clamped with the uppermost contact module shell, and the plurality of contact module shells are self-clamped, and the elastic hook hooks the button seat and all the contact module shells together, so that the multi-layer contact button switch will be more secure as a whole.

[0023] The above embodiments are only preferred solutions of the present invention, but are not limited to the above embodiments. Any design method or design idea pointed out in the present invention should be considered to be within the protection scope of the present invention.

Claims

1. A multi-layer contact button switch housing snap-in structure, characterized in that: The invention comprises at least a button (1), a button seat (2), an elastic hook (4) and a plurality of contact module shells (3); the button seat (2) comprises a hook structure (21), a button seat body (22) and a first clamp (23); the contact module shell (3) comprises an elastic clamp leg (31), a module main shell (32) and a second clamp (33); the elastic hook (4) comprises a hook head (41), a hook body (42) and an elastic contact portion (43); the elastic clamp leg (31) The elastic hook (41) is engaged with the hooking structure (21), and the elastic abutting portion (43) is in abutment with the bottom of the lower contact module housing (3), so that the elastic hook (4) hooks and connects the button seat (2) and all the contact module housings (3) together.

2. The housing snap-fit ​​structure of a multi-layer contact push button switch according to claim 1, characterized in that: The elastic contact portion (43) on the elastic pull hook (4) is W-shaped, so that the elastic pull hook has elasticity, ensuring that the elastic contact portion (43) contacts the bottom of the contact module housing (3).

3. The housing snap-fit ​​structure of a multi-layer contact push button switch according to claim 1, characterized in that: The hooking structure (21) is an aluminum gasket.

4. The housing engagement structure of a multi-layer contact push button switch according to claim 3, characterized in that: A light hole (21.1) is provided on the side of the hook-and-pull structure portion (21), and the hook head (41) of the elastic pull hook (4) is hooked and pulled with the light hole (21.1).

5. The housing engagement structure of a multi-layer contact push button switch according to claim 3, characterized in that: The upper end surface of the hook-and-pull structure (21) is provided with a groove (21.3), and the hook head (41) of the elastic pull hook (4) is hooked and pulled with the groove (21.3).

6. The housing engagement structure of a multi-layer contact push button switch according to claim 3, characterized in that: The bottom of the hook-pull structure (21) is provided with a boss (21.2), and correspondingly, a slot (22.1) is provided on the button seat body (22), and the boss (21.2) is engaged with the slot (22.1).

7. The housing engagement structure of a multi-layer contact push button switch according to claim 4, characterized in that: The hook head (41) of the elastic draw hook (4) is made of a steel wire bent into an L-shape, and the bending angle is less than 90°.

8. The housing engagement structure of a multi-layer contact push button switch according to claim 5, characterized in that: The hook head (41) of the elastic draw hook (4) is made of steel wire bent into a U shape.

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