Miniature button switch with lamp

Abstract

A miniature button switch with a lamp comprises an upper shell, a lower shell sleeved in the upper shell and a base, the bottom of the base is connected with a lamp holder, a key is arranged in the upper shell, the bottom of the key is linked with a guide rod, and the guide rod is provided with a self-locking structure integrated with the guide rod. The lower shell is internally provided with a trigger part used for being matched with the self-locking structure to lock the position of the guide rod, the guide rod enables the self-locking structure and the trigger part to be locked or unlocked through axial sliding to achieve connection or disconnection of the switch, the structure of the guide rod is improved, the guide rod and the self-locking structure are integrally arranged, and therefore the self-locking structure and the self-locking structure are integrated. Compared with a traditional split type design, the number of parts is reduced, the installation space is saved, the assembling difficulty and the production difficulty are reduced, the lamp holder can be communicated to form electric connection only by pressing the guide rod through a key to lock the triggering part and the self-locking structure during use, the use mode is simple and convenient, and the production and manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to a micro push-button switch with a lamp, belonging to the field of electrical components. Background Art

[0002] The push-button switch with a lamp is a manually operated control switch with an indicator light and energy storage reset function. It consists of an operating system, a contact element and an indicator light. The push-button switch with a lamp is widely used in electrical control engineering, and the light can provide an intuitive indication of the switch state. In the prior art, the structure of the push-button switch with a lamp is relatively complex. The guide rod and the switch are generally set independently. The guide rod is in a segmented linkage and has a self-locking function. Such a design makes the overall volume of the push-button switch with a lamp relatively large, restricted in a narrow space, unable to be installed, and unable to adapt to various installation environments. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the disadvantages and deficiencies existing in the prior art, and to provide a micro push-button switch with a lamp.

[0004] A micro push-button switch with a lamp includes an upper housing, a lower housing sleeved in the upper housing and a base. A lamp holder is connected to the bottom of the base. A button is arranged in the upper housing. The bottom of the button is linked with a guide rod. A self-locking structure integrally arranged with the guide rod is arranged on the guide rod. A trigger part for cooperating with the self-locking structure to lock the position of the guide rod is arranged in the lower housing. The guide rod makes the self-locking structure and the trigger part lock or unlock through axial sliding to realize the on or off action of the switch. By improving the structure of the guide rod, the guide rod and the self-locking structure are integrally arranged. Compared with the traditional split design, the number of parts is reduced, the installation space is saved, and the assembly difficulty and production difficulty are reduced. When in use, only need to press the button to move the guide rod to make the trigger part lock with the self-locking structure, then the lamp holder can be connected to form an electrical connection. The use method is simple, and the production and manufacturing cost is reduced.

[0005] Preferably, the self-locking structure includes a self-locking groove arranged on the side wall of the guide rod. A locking block is arranged in the self-locking groove to form a self-locking track in a figure-eight shape. When the trigger part is at the first position in the self-locking track, the lamp holder is cut off. When the trigger part is at the second position in the self-locking track and is clamped with the locking block, the lamp holder is connected. The self-locking structure is set as the self-locking track and the locking block. By pressing the action to drive the guide rod to slide, the trigger part moves in the self-locking track. When moving to the position clamped with the locking block, the lamp holder is connected to form an electrical connection. The use method is simple and fast.

[0006] Furthermore, the locking block includes a slot for engaging with the trigger part, and the slot is connected to the self-locking track. Under the movement of the guide rod, the trigger part moves into the slot in the self-locking track and engages with the locking block, ensuring that the opening of the slot is upward and V-shaped, and can stably engage with the trigger part, lock the position of the guide rod, prevent the guide rod from moving upward, and release the locked state.

[0007] Preferably, the self-locking rail includes a first pressing channel and a second pressing channel respectively arranged on both sides of the locking block, the first pressing channel is connected to a first buffer groove through a first step, the first buffer groove is connected to the card slot through a second step, the trigger part moves from the starting position to the first pressing channel and the first buffer groove, and is engaged with the card slot. The first step and the second step can prevent the trigger part from retreating, thereby forming a limiting effect on the trigger part.

[0008] Furthermore, the card slot is connected to a second buffer slot through a third step, the second buffer slot is connected to a second pressing channel, the second pressing channel is connected to the first pressing channel through a fourth step, and the trigger part returns to the starting position through the second buffer slot and the second pressing channel. The third step and the fourth step are arranged to cooperate with the first step and the second step so that the trigger part can only move in one direction to prevent retreat during the process and affect the locking effect.

[0009] Furthermore, a spring sheet is fixedly provided in the lower shell, and the spring sheet includes a fixing portion and an elastic limiting portion, the fixing portion is provided with a mounting hole, the trigger portion is a lock hook, one end of the lock hook is rotatably installed in the mounting hole, the limiting portion abuts against the outer wall of the lock hook so that the other end of the lock hook always remains in the position in the self-locking track, and the lock hook and the mounting hole cooperate to enable one end to rotate and adjust the angle, so as to facilitate the movement of the other end in the self-locking track, and the elasticity of the limiting portion can press the end of the lock hook to keep it in the self-locking track to prevent it from popping out and causing the self-locking structure to fail.

[0010] Furthermore, a mounting groove is provided in the guide rod, in which a dynamic contact pressure spring and a dynamic contact piece arranged at the bottom of the dynamic contact pressure spring and abutting against the dynamic contact spring are provided, and static contact feet are provided on both sides of the base, and mounting grooves extend from both ends of the dynamic contact piece and can selectively abut against the static contact feet to form an electrical connection. The dynamic contact pressure spring can make the dynamic contact piece abut against the static contact feet to form an electrical connection when locked, and make the trigger part engage with the slot of the locking block, and drive the trigger part to reset when unlocked, which is convenient for next use and can also fix the position of the dynamic contact piece. A protrusion is provided on the dynamic contact piece to be sleeved in the dynamic contact pressure spring to prevent it from shifting.

[0011] Furthermore, limit blocks are symmetrically provided at both ends of the movable contact piece, and the movable contact piece is engaged with the outer wall of the installation groove through the limit blocks to form a sliding connection with the installation groove.

[0012] Preferably, a fixing block extends from one end of the guide rod, a limiting groove is provided on the base, and a return spring is installed between the fixing block and the limiting groove. The return spring helps the moving contact piece and the static contact foot to separate, preventing the two from sintering and sticking together, and improving the service life and use effect.

[0013] Preferably, a circuit lamp board and lamp pins electrically connected to the static contact feet are provided in the lamp socket; a conical waterproof ring is provided below the button, and the bottom of the conical waterproof ring is sleeved on the outer periphery of the top of the lower housing to form a tight fit with the lower housing.

[0014] The beneficial effects of the present invention are as follows: By improving the structure of the guide rod, the guide rod and the self-locking structure are integrally arranged, which reduces the number of parts compared with the traditional split design, saves the installation space, reduces the assembly difficulty and production difficulty. When in use, only need to press the button to move the guide rod to lock the trigger part with the self-locking structure to connect the lamp socket to form an electrical connection. The use method is simple, and the production and manufacturing cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, obtaining other drawings based on these drawings still belongs to the scope of the present invention.

[0016] Figure 1 is a schematic diagram of the main structure of the present invention;

[0017] Figure 2 is a schematic diagram of the structure of the present invention with some parts removed;

[0018] Figure 3 is a schematic diagram of the structure of the present invention with some parts removed from another perspective;

[0019] Figure 4 is a schematic diagram of the structure of the present invention with further parts removed;

[0020] Figure 5 is Figure 4 a detailed enlarged view of part A in

[0021] Figure 6 is a schematic diagram of the structure of the present invention with the upper housing removed;

[0022] In the figure, 1 is the upper housing; 2 is the button; 21 is the clamping block; 22 is the clamping groove; 3 is the guide rod; 31 is the installation groove; 32 is the moving contact compression spring; 33 is the moving contact piece; 331 is the limiting block; 34 is the fixing block; 4 is the self-locking structure; 41 is the self-locking groove; 42 is the self-locking track; 421 is the first pressing channel; 422 is the first step; 423 is the first buffer groove; 424 is the second step; 425 is the third step; 426 is the second buffer groove; 427 is the second pressing channel; 428 is the fourth step; 43 is the locking block; 431 is the clamping groove; 5 is the lower housing; 51 is the triggering part; 52 is the elastic piece; 521 is the fixing part; 522 is the installation hole; 523 is the limiting part; 6 is the base; 61 is the lamp holder; 611 is the circuit lamp board; 612 is the lamp pin; 62 is the static contact pin; 63 is the limiting groove; 631 is the reset spring; 7 is the conical waterproof ring. Detailed implementation mode

[0023] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0024] It should be noted that all the expressions using "first" and "second" in the embodiments of the present utility model are used to distinguish two entities or parameters with the same name but different, so it can be seen that "first" and "second" are only for the convenience of expression and should not be construed as a limitation on the embodiments of the present utility model. This will not be elaborated one by one in the subsequent embodiments.

[0025] The terms of direction and position mentioned in the present utility model, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "side", etc., are only with reference to the direction or position of the accompanying drawings. Therefore, the terms of direction and position used are for the purpose of explaining and understanding the present utility model, rather than a limitation on the protection scope of the present utility model.

[0026] Such as Figures 1-5As shown in the figure, this is an embodiment of a micro push-button switch with a lamp of the present utility model, which includes an upper housing 1, a lower housing 5 and a base 6 sleeved in the upper housing 1. A lamp holder 61 is connected to the bottom of the base 6. A button 2 is arranged in the upper housing 1. A guide rod 3 is linked to the bottom of the button 2. A self-locking structure 4 integrally arranged with the guide rod 3 is arranged on the guide rod 3. A trigger part 51 for cooperating with the self-locking structure 4 to lock the position of the guide rod 3 is arranged in the lower housing 5. The guide rod 3 makes the self-locking structure 4 and the trigger part 51 lock or unlock through axial sliding to realize the on or off action of the switch. By improving the structure of the guide rod 3, the guide rod 3 and the self-locking structure 4 are integrally arranged, which reduces the number of parts compared with the traditional split design, saves the installation space, reduces the assembly difficulty and the production difficulty. When in use, only need to press the button 2 to push the guide rod 3 so that the trigger part 51 locks with the self-locking structure 4 to connect the lamp holder 61 to form an electrical connection. The use method is simple and the production and manufacturing cost is reduced.

[0027] The button 2 and the guide rod 3 are connected by clamping the clamping block 21 at the top of the guide rod 3 with the clamping grooves 22 on both sides of the button 2, which is used for the button 2 to push the guide rod 3 to move axially.

[0028] The self-locking structure 4 includes a self-locking groove 41 arranged on the side wall of the guide rod 3. A locking block 43 is arranged in the self-locking groove 41 so that the self-locking groove 41 forms a self-locking track 42 in a figure-eight shape. When the trigger part 51 is in the first position in the self-locking track 42, the lamp holder 61 is cut off. When the trigger part 51 is in the second position in the self-locking track 42 and is clamped with the locking block 43, the lamp holder 61 is connected. The self-locking structure 4 is set as the self-locking track 42 and the locking block 43. By pressing the action to drive the guide rod 3 to slide, the trigger part 51 moves in the self-locking track 42. When moving to the position clamped with the locking block 43, the lamp holder 61 is connected to form an electrical connection. The use method is simple and fast.

[0029] The locking block 43 includes a clamping groove 431 for clamping with the trigger part 51. The clamping groove 431 is communicated with the self-locking track 42. The trigger part 51 moves in the self-locking track 42 to the clamping groove 431 under the movement of the guide rod 3 and is clamped with the locking block 43. Ensure that the opening of the clamping groove 431 is upward and in a V shape, which can stably clamp with the trigger part 51, lock the position of the guide rod 3 and prevent the guide rod 3 from moving upward to release the locked state.

[0030] The self-locking track 42 includes a first pressing channel 421 and a second pressing channel 427 respectively provided on both sides of the locking block 43. The first pressing channel 421 communicates with a first buffer groove 423 through a first step 422. The first buffer groove 423 communicates with the card slot 431 through a second step 424. The trigger part 51 moves from the starting position to the first pressing channel 421 and the first buffer groove 423 and is clamped with the card slot 431. The provided first step 422 and second step 424 can prevent the trigger part 51 from retracting and form a limiting effect on the trigger part 51.

[0031] The card slot 431 communicates with a second buffer groove 426 through a third step 425. The second buffer groove 426 communicates with the second pressing channel 427. The second pressing channel 427 communicates with the first pressing channel 421 through a fourth step 428. The trigger part 51 returns to the starting position through the second buffer groove 426 and the second pressing channel 427. The provided third step 425 and fourth step 428 can cooperate with the first step 422 and second step 424 to enable the trigger part 51 to only move in one direction and prevent retraction during the process, affecting the locking effect.

[0032] A shrapnel 52 is fixedly arranged in the lower housing 5. The shrapnel 52 includes a fixed part 521 and an elastic limiting part 523. An installation hole 522 is provided on the fixed part 521. The trigger part 51 is a locking hook. One end of the locking hook is rotatably installed in the installation hole 522. The limiting part 523 abuts against the outer wall of the locking hook so that the other end of the locking hook always remains in the position within the self-locking track 42. The cooperation of the locking hook and the installation hole 522 can enable one end to rotate and adjust the angle, facilitating the movement of the other end within the self-locking track 42. The elasticity of the limiting part 523 can press and hold the end of the locking hook within the self-locking track 42 to prevent it from popping out and causing the self-locking structure 4 to fail.

[0033] An installation groove 31 is provided in the guide rod 3. A moving contact compression spring 32 and a moving contact piece 33 provided at the bottom of the moving contact compression spring 32 and abutting against it are arranged in the installation groove 31. Static contact pins 62 are provided on both sides of the base 6. Both ends of the moving contact piece 33 extend out of the installation groove 31 and can selectively abut against the static contact pins 62 to form an electrical connection. The moving contact compression spring 32 can enable the moving contact piece 33 to abut against the static contact pins 62 to form an electrical connection when locking, and enable the trigger part 51 to be clamped with the card slot 431 of the locking block 43. When unlocking, it drives the trigger part 51 to reset for the next use, and can also fix the position of the moving contact piece 33. A convex block is provided on the moving contact piece 33 and is sleeved in the moving contact compression spring 32 to prevent it from shifting.

[0034] Limit blocks 331 are symmetrically provided at both ends of the moving contact piece 33. The moving contact piece 33 is clamped with the outer wall of the installation groove 31 through the limit blocks 331 to form a sliding connection with the installation groove 31.

[0035] One end of the guide rod 3 extends with a fixing block 34. A limiting groove 63 is provided on the base 6. A return spring 631 is installed between the fixing block 34 and the limiting groove 63. The return spring 631 helps to assist the separation of the moving contact piece 33 and the static contact pin 62, prevents sintering and adhesion between the two, and improves the service life and use effect.

[0036] A circuit lamp board 611 and lamp pins 612 electrically connected to the static contact pins 62 are provided inside the lamp holder 61; a conical waterproof ring 7 is provided below the button 2. The bottom of the conical waterproof ring 7 is sleeved on the outer periphery of the top of the lower housing 5 and forms a tight fit with the lower housing 5.

[0037] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

[0038] Although the present invention has been described with reference to several specific embodiments, it should be understood that the present invention is not limited to the specific embodiments disclosed. The present invention aims to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A micro push-button switch with a light, characterized in that: It includes an upper housing, a lower housing sleeved inside the upper housing, and a base. A lamp socket is connected to the bottom of the base. A key is provided inside the upper housing. The bottom of the key is linked with a guide rod. A self-locking structure integrally provided with the guide rod is arranged on the guide rod. A triggering part for cooperating with the self-locking structure to lock the position of the guide rod is arranged inside the lower housing. The guide rod makes the self-locking structure and the triggering part locked or unlocked through axial sliding to realize the on or off action of the switch.

2. The micro light - belt button switch according to claim 1, wherein: The self-locking structure includes a self-locking groove arranged on the side wall of the guide rod. A locking block is arranged in the self-locking groove so that the self-locking groove forms a square-shaped self-locking track. When the triggering part is at the first position in the self-locking track, the lamp socket is cut off. When the triggering part is at the second position where it is clamped with the locking block in the self-locking track, the lamp socket is connected.

3. The micro light - belt button switch according to claim 2, characterized in that: The locking block includes a clamping groove for clamping with the triggering part, and the clamping groove communicates with the self-locking track.

4. The micro light - emitting button switch according to claim 3, wherein: The self-locking track includes a first pressing channel and a second pressing channel respectively arranged on both sides of the locking block. The first pressing channel is communicated with a first buffer groove through a first step. The first buffer groove is communicated with the clamping groove through a second step.

5. The micro light - belt button switch according to claim 4, characterized in that: The clamping groove is communicated with a second buffer groove through a third step. The second buffer groove is communicated with the second pressing channel. The second pressing channel is communicated with the first pressing channel through a fourth step.

6. The miniature lighted pushbutton switch according to claim 1, wherein: A shrapnel is fixedly arranged inside the lower housing. The shrapnel includes a fixing part and an elastic limiting part. An installation hole is arranged on the fixing part. The triggering part is a locking hook. One end of the locking hook is rotatably installed in the installation hole. The limiting part abuts against the outer wall of the locking hook so that the other end of the locking hook always remains at the position in the self-locking track.

7. The micro light - belt button switch according to claim 1, characterized in that: An installation groove is arranged inside the guide rod. A moving contact compression spring and a moving contact piece arranged at the bottom of the moving contact compression spring and abutting against it are arranged in the installation groove. Static contact pins are arranged on both sides of the base. Both ends of the moving contact piece extend out of the installation groove and can selectively abut against the static contact pins to form an electrical connection.

8. The micro light-emitting button switch according to claim 7, characterized in that: Limit blocks are symmetrically arranged at both ends of the moving contact piece. The moving contact piece is clamped with the outer wall of the installation groove through the limit blocks to form a sliding connection with the installation groove.

9. The micro light - belt button switch according to claim 1, characterized in that: A fixing block extends from one end of the guide rod. A limiting groove is arranged on the base. A return spring is installed between the fixing block and the limiting groove.

10. The micro light - belt button switch according to claim 1, wherein: A circuit lamp board and lamp pins electrically connected to the static contact pins are arranged inside the lamp socket; a conical waterproof ring is arranged below the key. The bottom of the conical waterproof ring is sleeved on the outer periphery of the top of the lower housing to form a tight fit with the lower housing.

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