Button switch

Abstract

The utility model discloses a button switch, and belongs to the field of electric switch structure design. The switch comprises a switch body, the switch body comprises a hollow and vertically through tube shell and a base fixed at the bottom end of the tube shell, a static pin is fixed on the base, a button, a contact frame and a moving contact are arranged in the tube shell, and the moving contact is arranged on the contact frame and vertically corresponds to the static pin; an indicating lamp module is arranged at the bottom of the switch body and comprises a lamp shell and an indicating lamp unit, the lamp shell is detachably connected to the bottom of the base, the lamp shell is provided with an inner cavity with the upper end open and a vertically-through penetrating hole, the indicating lamp unit is arranged in the inner cavity, and lamp feet of the indicating lamp unit and the lower ends of static pins penetrate through the penetrating hole and extend out of the lamp shell downwards. The base is made of transparent materials. The button switch is reasonable in structural arrangement, can reduce stock cost, facilitates stock management, and has good practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical switch technical field especially relates to a button switch. BACKGROUND

[0002] Button switch is a kind of common electrical element, is widely used in various electronic equipment and control system. Its main function is to realize the connection or disconnection of circuit by pressing action. Button switch is a kind of electrical element integrating button switch and indicating lamp. It has a light indicating function in addition to the function of ordinary button switch. In prior art, since indicating lamp is installed in button switch and cannot be removed, in order to meet the needs of different customers, only two types of button switches with and without lamp can be produced to prepare goods, resulting in high production and preparation cost and inconvenient inventory management. SUMMARY

[0003] The utility model provides a button switch to solve the problem in the background art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The utility model provides a button switch, including switch body, the switch body includes the hollow and upper and lower through pipe shell and the base fixed in the pipe shell bottom, the base is fixed with static pin, the pipe shell is equipped with button, contact holder and movable contact, the movable contact is installed on the contact holder and corresponds with static pin upper and lower, the indication lamp module is arranged in the switch body bottom, the indication lamp module includes lamp shell and indication lamp unit, the lamp shell is detachably connected in the base bottom, the lamp shell has the inner chamber of upper end open and upper and lower through perforation, the indication lamp unit is located in the inner chamber, the lamp pin of indication lamp unit and the lower end of static pin pass through the perforation and extend downwards the lamp shell, and the base is transparent material.

[0006] In some embodiments, the indication lamp unit includes PCB board and LED lamp fixed on the PCB board, the lamp pin is fixedly connected with the PCB board and is electrically connected with the LED lamp.

[0007] In some embodiments, the contact holder upper end is connected with button lower end, the base is equipped with reset spring, and the reset spring makes the contact holder keep upward elastic force.

[0008] In some embodiments, the contact holder is ladder pole structure, the movable contact is annular sheet shape, is sleeved on the contact holder, the contact holder lower end has the stop table that the movable contact is resisted and limited, and the contact holder is equipped with the pressing spring, and the pressing spring presses the movable contact on the stop table.

[0009] In some embodiments, the tubular shell is internally fixed with a hollow tubular bushing, the contact holder is in the bushing, the button is connected to the upper end of the contact holder outside the bushing, the bushing is internally provided with an axial extending limiting sliding slot and a toothed portion, the upper toothed sleeve and the lower toothed sleeve are sleeved on the contact holder, the first toothed portion and the limiting protrusion are arranged on the lower end of the upper toothed sleeve, the limiting protrusion is in sliding fit with the limiting sliding slot, the second toothed portion and the protruding toothed portion are arranged on the outer periphery of the lower toothed sleeve and are in fit with the first toothed portion and the toothed portion, and the upper and lower ends of the pressing spring are respectively in abutment with the lower toothed sleeve and the movable contact.

[0010] In some embodiments, the upper end side wall of the contact holder is provided with a clamping protrusion, the lower end of the button is provided with a positioning insertion hole and a clamping slot arranged on the side wall of the positioning insertion hole, the lower end of the clamping slot is provided with an opening, the upper end of the contact holder is inserted into the positioning insertion hole, and the clamping protrusion is clamped into the clamping slot through the opening.

[0011] In some embodiments, the upper end of the button is provided with a button cap.

[0012] In some embodiments, the bushing, the upper toothed sleeve, the lower toothed sleeve, the contact holder and the button are all of transparent material.

[0013] In some embodiments, the tubular shell is of metal material, the outer wall of the tubular shell is provided with an external thread, and the external thread is used for connecting a nut.

[0014] In some embodiments, the tubular shell is internally provided with a rubber sleeve between the bushing and the button, the rubber sleeve is a hollow tube with a thin upper end and a thick lower end, the upper end of the rubber sleeve is sleeved on the button, and the lower end of the rubber sleeve is tightly pressed between the bushing and the tubular shell.

[0015] The button switch structure in the utility model has the positive effects that whether to install an indicating lamp module in the production process can be selected, different switch types are realized, the production process is more flexible, customized processing can be performed according to different customer requirements, the cost of goods preparation is reduced, and inventory management is optimized; moreover, the indicating lamp unit can be replaced and maintained; when the button switch bottom is provided with the indicating lamp module, the light emitted by the indicating lamp unit can penetrate the base into the tubular shell interior and finally be emitted at the upper end of the switch, so that the light indicating effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creating labor.

[0017] Figure 1The utility model discloses a button switch's perspective view for the utility model;

[0018] Figure 2 For Figure 1 The utility model discloses a button switch's plan view for the utility model;

[0019] Figure 3 For along Figure 2 The utility model discloses a button switch's section view for the utility model;

[0020] Figure 4 The utility model discloses a button switch's section view for the utility model;

[0021] Figure 5 The utility model discloses a button switch's section view for the utility model;

[0022] Figure 6 The utility model discloses a button switch's section view for the utility model;

[0023] Figure 7 The utility model discloses a button switch's section view for the utility model.

[0024] The utility model discloses a button switch's section view for the utility model;

[0025] 5- the indication lamp module;51- lamp shell;52- indication lamp unit;520- lamp pin;521- PCB board;522- LED lamp;53- inner chamber;54- perforation;

[0026] 6- reset spring;7- press spring;8- bush;81- limit sliding slot;82- tooth part;9- rubber cover. Specific embodiments

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0028] It should be noted that all directionality indications such as up, down, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture as shown in the drawings, and if the specific posture changes, the directionality indications will also change accordingly. In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that the ordinary skilled person in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0030] The structure of the button switch in the embodiment is shown in Figures 1 to 7 It includes a switch body 1, the switch body 1 includes a hollow and vertically penetrating tube shell 11 and a base 12 fixed at the bottom end of the tube shell 11, a static pin 13 is fixed on the base 12, a button 2, a contact holder 3 and a movable contact 4 are arranged in the tube shell 11, and the movable contact 4 is arranged on the contact holder 3 and corresponds to the static pin 13 vertically. The button switch adopts a hollow and vertically penetrating tube shell 11, and is internally provided with a button 2, a contact holder 3, a movable contact 4 and a static pin 13 arranged on the base 12. The movable contact 4 corresponds to the static pin 13 vertically, and the circuit is turned on when the movable contact 4 contacts the static pin 13, and the circuit is cut off when the movable contact 4 is separated from the static pin 13.

[0031] Further, as shown in Figure 1 and Figure 7 An indicator light module 5 is arranged at the bottom of the switch body 1, the indicator light module 5 includes a lamp shell 51 and an indicator light unit 52, the lamp shell 51 is detachably connected at the bottom of the base 12, the lamp shell 51 has an inner cavity 53 with an open upper end and a vertically penetrating through hole 54, the indicator light unit 52 is arranged in the inner cavity 53, the lamp pin 520 of the indicator light unit 52 and the lower end of the static pin 13 pass through the through hole 54 and extend downward out of the lamp shell 51, the lower end of the static pin 13 is connected to the switch circuit and the lamp pin 520 is connected to the indicator light circuit during installation and use, and in order to make the light pass through the base 12, the base 12 is made of transparent material; the base 12 extends into the upper end of the inner cavity 53 to form a sleeve joint.

[0032] By selecting whether to install the indicator light module 5 in the production process, different switch types are realized, which makes the production process more flexible, can be customized according to different customer needs, reduces inventory costs, optimizes inventory management. And can realize the replacement and maintenance of the indicator light unit 52; when the button switch bottom is provided with the indicator light module 5, the light emitted by the indicator light unit 52 can penetrate the base 12 into the inner part of the tube shell 11, and finally be emitted at the upper end of the button switch, thereby playing a light indicating effect.

[0033] Specifically, as shown in Figure 7 In order to optimize the structure of the indicator light unit 52, the indicator light unit 52 is provided with a PCB board 521 and an LED lamp 522 fixed on the PCB board 521, the LED lamp 522 preferably adopts a patch lamp bead, and the lamp pin 520 is fixedly connected with the PCB board 521 and electrically connected with the LED lamp 522.

[0034] In some embodiments, as shown in Figure 3 The upper end of the contact holder 3 is connected with the lower end of the button 2; the base 12 is provided with a reset spring 6 between the base 12 and the contact holder 3, the reset spring 6 makes the contact holder 3 maintain upward elastic force, and the button 2 is pressed downward when the button 2 switches the switch state, which further compresses the reset spring 6, and when the pressure applied to the button 2 is released, the button 2 can be reset upward under the elastic force of the reset spring 6.

[0035] In some embodiments, as shown in Figure 3 and Figure 4 The contact holder 3 is a stepped rod structure, the moving contact 4 is an annular sheet, the moving contact 4 is sleeved on the contact holder 3, the lower end of the contact holder 3 has a stop table 31 for limiting the moving contact 4, the limiting of the moving contact 4 by the stop table 31 can prevent the moving contact 4 from being separated from the contact holder 3, and the contact holder 3 is sleeved with a pressing spring 7, the pressing spring 7 presses the moving contact 4 on the stop table 31, so that when the button 2 is pressed downward to move the contact holder 3 downward, the moving contact 4 is in contact with the static pin 13 below, and the elastic force of the pressing spring 7 applied to the moving contact 4 can make the moving contact 4 reliably contact with the static pin 13, thereby ensuring the electrical conduction performance.

[0036] In some embodiments, in combination with Figure 3 and Figure 6As shown, in order to make the button switch have a self-locking function, i.e. the switch state can be maintained after the button 2 is pressed, a hollow tubular bushing 8 is fixed in the tube shell 11, the contact holder 3 is in the bushing 8, the button 2 is connected to the upper end of the contact holder 3 outside the bushing 8, the bushing 8 is provided with an axial limiting sliding groove 81 and a toothed portion 82, the contact holder 3 is provided with an upper tooth sleeve 32 and a lower tooth sleeve 33, the upper end of the upper tooth sleeve 32 abuts against the button 2, the lower end of the upper tooth sleeve 32 is provided with a first tooth portion 321 and a limiting protrusion 322, the limiting protrusion 322 is in sliding cooperation with the limiting sliding groove 81, the outer periphery of the lower tooth sleeve 33 is provided with a second tooth portion 331 cooperating with the first tooth portion 321 and a protruding tooth portion 332 cooperating with the toothed portion 82, the upper and lower ends of the pressing spring 7 abut against the lower tooth sleeve 33 and the movable contact 4 respectively; the self-locking of the contact holder 3 can be realized through the cooperation of the upper tooth sleeve 32, the lower tooth sleeve 33 and the bushing 8, so that the button switch has a self-locking function, and the working principle is similar to the self-locking structure of a push ball pen, which is not described herein.

[0037] In some embodiments, as shown in Figure 3 and Figure 4 As shown, the contact holder 3 is provided with a clamping protrusion 34 on the upper end side wall, the button 2 is provided with a positioning insertion hole 21 and a clamping groove 22 on the side wall of the positioning insertion hole 21, the lower end of the clamping groove 22 is provided with an opening, the upper end of the contact holder 3 is inserted into the positioning insertion hole 21, and the clamping protrusion 34 is clamped into the clamping groove 22 from the opening, so that the button 2 and the contact holder 3 are quickly and effectively assembled, and the structure is reliable.

[0038] In some embodiments, in order to improve the light transmittance inside the tube shell 11, the bushing 8, the upper tooth sleeve 32, the lower tooth sleeve 33, the contact holder 3 and the button 2 are all transparent materials; the transparent material in the present embodiment can use existing materials on the market, such as transparent acrylic material, which has high transparency, is easy to process and shape, and also has good impact resistance and weather resistance and other advantages. Further, a button cap 20 can be provided on the upper part of the button 2, the button cap 20 can be made of metal material, so that light can form a light ring around the button 2 through the gap between the button 2 and the tube shell 11.

[0039] In some embodiments, in order to enhance the appearance of the button switch and improve the impact resistance, the tube shell 11 in the present embodiment is made of metal material, and the outer wall is provided with external threads, which are used to connect nuts, and the fixed installation of the button switch is realized through the screwing cooperation of the nuts and the tube shell 11.

[0040] In some embodiments, in order to enhance the dustproof and waterproof performance of the button switch, a rubber sleeve 9 is arranged between the bushing 8 and the button 2 inside the tube shell 11, the rubber sleeve 9 is a hollow tubular with a thin upper end and a thick lower end, the upper end is sleeved on the button 2, and the lower end is pressed between the bushing 8 and the tube shell 11, so that the rubber sleeve 9 is reliably fixed.

[0041] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A push button switch comprising a switch body (1) which comprises a hollow and vertically through tube shell (11) and a base (12) fixed at the bottom end of the tube shell (11), a static pin (13) is fixed on the base (12), a push button (2), a contact holder (3) and a moving contact (4) are arranged in the tube shell (11), the moving contact (4) is arranged on the contact holder (3) and vertically corresponds to the static pin (13); characterized in that, An indicating lamp module (5) is arranged at the bottom of the switch body (1), the indicating lamp module (5) comprises a lamp shell (51) and an indicating lamp unit (52), the lamp shell (51) is detachably connected at the bottom of the base (12), the lamp shell (51) has an inner cavity (53) with an open upper end and a through hole (54) extending from top to bottom, the indicating lamp unit (52) is arranged in the inner cavity (53), the lamp pin (520) of the indicating lamp unit (52) and the lower end of the static pin (13) extend downward through the through hole (54) and protrude out of the lamp shell (51), and the base (12) is made of transparent material; the base (12) extends into the upper end of the inner cavity (53) to form a sleeve joint.

2. The push button switch according to claim 1, wherein The indicating lamp unit (52) comprises a PCB (521) and an LED lamp (522) fixed on the PCB (521), the lamp pin (520) is fixedly connected with the PCB (521) and electrically connected with the LED lamp (522).

3. The pushbutton switch of claim 1, wherein The upper end of the contact holder (3) is connected with the lower end of the button (2); the base (12) is provided with a reset spring (6), and the reset spring (6) keeps the contact holder (3) in upward elastic force.

4. The pushbutton switch of claim 3, wherein The contact holder (3) is in a stepped rod structure, the movable contact (4) is in a ring-shaped sheet structure and is sleeved on the contact holder (3), the lower end of the contact holder (3) has a stop table (31) for resisting and limiting the movable contact (4), and a pressing spring (7) is sleeved on the contact holder (3), and the pressing spring (7) presses the movable contact (4) against the stop table (31).

5. The pushbutton switch of claim 4, wherein A hollow tubular bushing (8) is fixed in the tube shell (11), the contact holder (3) is arranged in the bushing (8), the button (2) is connected to the upper end of the contact holder (3) outside the bushing (8), the bushing (8) is provided with an axial extending limiting sliding groove (81) and a toothed portion (82), the contact holder (3) is sleeved with an upper tooth sleeve (32) and a lower tooth sleeve (33), the lower end of the upper tooth sleeve (32) is provided with a first tooth portion (321) and a limiting protrusion (322), the limiting protrusion (322) is in sliding fit with the limiting sliding groove (81), the outer periphery of the lower tooth sleeve (33) is provided with a second tooth portion (331) matched with the first tooth portion (321) and a convex tooth portion (332) matched with the toothed portion (82), and the upper and lower ends of the pressing spring (7) are respectively abutted against the lower tooth sleeve (33) and the movable contact (4).

6. The pushbutton switch of claim 5, wherein A clamping protrusion (34) is arranged on the side wall of the upper end of the contact holder (3), a positioning insertion hole (21) and a clamping groove (22) arranged on the side wall of the positioning insertion hole (21) are arranged at the lower end of the button (2), the lower end of the clamping groove (22) is provided with an opening, the upper end of the contact holder (3) is inserted into the positioning insertion hole (21), and the clamping protrusion (34) is clamped into the clamping groove (22) through the opening.

7. The pushbutton switch of claim 5, wherein The bushing (8), the upper tooth sleeve (32), the lower tooth sleeve (33), the contact holder (3) and the button (2) are all made of transparent material.

8. The pushbutton switch of claim 1, wherein A button cap (20) is arranged at the upper end of the button (2).

9. The pushbutton switch of claim 1, wherein The pipe shell (11) is made of metal, and an outer thread is arranged on the outer wall of the pipe shell (11) for connecting a nut.

10. The pushbutton switch of claim 5, wherein A rubber sleeve (9) is arranged between the bushing (8) and the button (2) inside the pipe shell (11), and the rubber sleeve (9) is a hollow tubular with a narrow upper end and a wide lower end. The upper end of the rubber sleeve (9) is sleeved on the button (2), and the lower end of the rubber sleeve (9) is pressed between the bushing (8) and the pipe shell (11).

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