Large-current self-locking button switch

Abstract

The utility model belongs to the technical field of electrical switches, in particular to a large-current self-locking button switch, which comprises a shell and a base, and a lining is arranged between the shell and the base. A conductive mechanism is arranged on one side, close to the base, of the bushing; the conductive mechanism comprises a driving assembly; the driving assembly comprises a lamp panel and a guide piece; a plurality of first contact pieces and second contact pieces are arranged on the side, abutting against the guide piece, of the lamp panel. The guide piece is provided with a plurality of through holes, and convex hulls are arranged at the two ends of the base. A first spring is inserted into the convex hull, and the side, away from the convex hull, of the first spring penetrates through the through hole to abut against the first contact piece; two positioning grooves are formed in the side, close to the base, of the guide piece, the base is provided with a plurality of limiting columns, the limiting columns are located on the peripheral sides of the positioning grooves, the two ends of the lamp panel are connected with the base through springs, and the limiting columns are arranged on the base to limit the positioning grooves, so that the situation that the self-locking button inclines or shifts when sliding up and down is avoided; and contact and self-locking are realized through pressing from the head by matching with a spring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the electrical switch technical field, concretely belongs to a kind of large current self-locking button switch. BACKGROUND

[0002] Switch refers to the electronic component for controlling the opening or closing of circuit, according to the different structure types, divided into button switch, boat type switch, touch switch etc. Button switch is used to push transmission mechanism by button, make moving contact and static contact to open or close and realize circuit switching, simple structure, widely used;The difference between lamp self-locking switch and ordinary self-locking switch is only that lamp switch makes full use of the space in key and places a small indicator bulb / LED lamp, usually bulb / LED lamp is connected by welding, one end is connected with zero line, the other end is generally connected with normally open contact of switch through a voltage reducing resistor in parallel, when switch is closed, equipment runs, and also provides power supply for indicator lamp.

[0003] Traditional self-locking switch, because self-locking button is only provided with one tension spring, when inclination or deformation occurs, self-locking or contact cannot be achieved. INVENTION CONTENTS

[0004] To solve the problems mentioned in the background, a large current self-locking button switch is provided, two springs are elastically connected between the two ends of lamp plate and base, the stability of sliding of lamp plate and base is maintained, limiting column is arranged on base to limit positioning groove, to avoid inclination or displacement of self-locking button when sliding up and down, spring is pressed from head to realize contact and self-locking.

[0005] The utility model discloses a kind of large current self-locking button switches, including shell and base, sleeve is arranged between the shell and base;The side of the sleeve close to base is equipped with electrically conductive mechanism;The electrically conductive mechanism includes drive assembly;The drive assembly includes lamp plate and guide piece;The side of the lamp plate abutting the guide piece is equipped with a plurality of first contact piece and second contact piece respectively;The guide piece is equipped with a plurality of through holes, and the both ends of the base are equipped with convex bundle;First spring is inserted into the convex bundle, and the side of the first spring away from the convex bundle is penetrated through the through hole and abuts the first contact piece;The side of the guide piece close to base is equipped with two positioning grooves, and the base is further equipped with a plurality of limiting columns, located in the circumferential side of the positioning groove, for limiting positioning groove.

[0006] Preferably, the positioning groove is provided with a movable contact assembly; the movable contact assembly is provided with a second spring on the side close to the lamp panel; the second spring penetrates the through hole and abuts against the second contact piece; the movable contact assembly comprises a movable spring piece, and the movable spring piece is provided with movable contact points on both sides thereof; the shell is provided with a gear groove on the outside thereof; and the gear groove is engaged with the counterpart to achieve waterproof effect; the base is provided with a stepped surface on the side thereof; and the stepped surface abuts against the stepped groove of the bushing.

[0007] Preferably, the base is provided with corresponding stationary contact assemblies on the side thereof close to the movable contact points.

[0008] Preferably, the guide member is provided with a locking groove between the two positioning grooves on both sides thereof; the locking groove is provided with a plurality of inclined grooves; the guide member is provided with a plurality of hooks on the side thereof close to the lamp panel, so as to prevent the lamp panel from being ejected by the first spring and the second spring; the lamp panel is provided with clamping columns on both sides thereof, the guide member is provided with limiting grooves corresponding to the clamping columns, the clamping columns are located in the limiting grooves, and the limiting grooves limit the lamp panel.

[0009] Preferably, the base comprises a clamping groove; the clamping groove is provided with clamping hooks at both ends thereof; the base is provided with a locking hook penetrating the clamping groove; the locking hook comprises a flat portion and two bent portions; the flat portion abuts against the clamping hook, and the two bent portions abut against the locking groove, respectively; the base is provided with limiting tables on both sides of the bent portions.

[0010] Preferably, the shell is provided with a button assembly on the side thereof away from the base; the button assembly comprises a button and a silica gel cap; the head of the button is provided with a clamping piece; the clamping piece is provided with a cap on one side thereof; the button is provided with a plurality of supporting columns and a positioning column on the bottom thereof; the guide member is provided with corresponding arc-shaped table columns on the side thereof close to the button; the supporting columns are attached to the arc-shaped table columns at both ends thereof; and the arc-shaped table columns are clamped in the positioning column.

[0011] The limiting tables also play a role in preventing mistakes and improving assembly efficiency; the locking groove on both sides of the guide member abuts against the locking hook, the locking hook is clamped in the locking groove by pressing the button, the locking hook is not easy to be disengaged, and the guide member has high stability against falling and shock.

[0012] Preferably, the shell and the bushing abut against a circular lampshade; the circular lampshade is located on the outside of the supporting columns; the lamp panel is attached to a resistance sheet on the side thereof close to the base; the lamp panel is attached to an LED lamp on the side thereof close to the button assembly; the LED lamp is installed in the circular lampshade; the circular lampshade is provided with a through hole groove; the silica gel cap is located in the through hole groove; and the outer diameter of the silica gel cap is greater than the inner diameter of the through hole groove.

[0013] Preferably, the stationary contact assembly includes a first stationary contact assembly and a second stationary contact assembly; the first stationary contact assembly includes a first stationary contact point, the first stationary contact point is located below the movable contact point; the second stationary contact assembly includes a second stationary contact point; the second stationary contact point is located above the movable contact point.

[0014] Preferably, the stationary contact assembly includes a third stationary contact assembly, the third stationary contact assembly includes a third stationary contact point, the third stationary contact point is located below the movable contact point.

[0015] Preferably, the base is inserted with a lamp pin, the lamp pin is provided with a bending surface, the bending surface is provided with a round hole; the round hole is inserted into the convex bump, and the bending surface is located between the first spring and the base.

[0016] Compared with the prior art, the utility model provides a big current self -locking button switch has beneficial effect: through the first spring elastic connection between the lamp plate both ends and base, has kept the stability of lamp plate and base sliding up and down, is provided with the limit post limit position groove in the base simultaneously, avoided the self -locking button and inclined or displacement in sliding up and down, cooperation spring from head pressure realizes contact and self -locking, greatly increased product stability and life, and simple assembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0018] Figure 1 It is the perspective view of the utility model embodiment.

[0019] Figure 2 It is the explosion view of the utility model embodiment.

[0020] Figure 3 It is the section view of the utility model embodiment.

[0021] Figure 4 It is the plan view of the utility model embodiment.

[0022] Figure 5 It is the A-A section view of Figure 4 .

[0023] Figure 6 It is the section view of the left view direction of the utility model embodiment.

[0024] Figure 7 It is the B direction enlarged view of Figure 6 .

[0025] Figure 8The utility model discloses a three -dimensional view of the normally open normally closed of embodiment one.

[0026] Figure 9 The utility model discloses a three -dimensional view of the lamp panel of embodiment.

[0027] Figure 10 The utility model discloses a cross -sectional view of not taking the lamp foot.

[0028] Reference signs

[0029] 1 - shell, 11 - step groove, 2 - base, 21 - convex, 23 - limit post, 24 - clamping groove, 241 - clamping hook, 25 - step, 26 - limit platform, 27 - lamp foot, 271 - bending surface, 272 - round hole, 28 - step surface, 3 - bush, 31 - step groove, 4 - conductive mechanism, 41 - lamp panel, 411 - first contact sheet, 412 - second contact sheet, 413 - resistance sheet, 414 - LED lamp, 415 - clamping post, 42 - guide, 421 - through hole, 422 - positioning groove, 423 - lock groove, 424 - inclined surface groove, 425 - arc column, 426 - hook, 427 - limit groove, 43 - first spring, 44 - moving contact assembly, 441 - moving spring sheet, 442 - moving contact, 45 - second spring, 46 - first fixed contact assembly, 461 - first fixed contact, 47 - second fixed contact assembly, 471 - second fixed contact, 48 - third fixed contact assembly, 481 - third fixed contact, 5 - lock hook, 51 - plane part, 52 - bending part, 6 - button assembly, 61 - button, 62 - silica gel cap, 63 - light -transmitting piece, 64 - cap, 65 - support column, 66 - positioning post, 7 - circular lampshade, 71 - through hole groove, DETAILED DESCRIPTION

[0030] The technical scheme of the utility model will be described below in connection with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model and not all the embodiments.

[0031] The components of the embodiments of the utility model generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0032] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a specific orientation, construct and operate in a specific orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] It should be noted that the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusions, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] As shown in Figures 1 to 3 , Figure 9 , it comprises a shell 1 and a base 2, a bushing 3 is arranged between the shell 1 and the base 2; the bushing 3 is provided with a conductive mechanism 4 on the side close to the base 2; the conductive mechanism 4 comprises a driving assembly; the driving assembly comprises a lamp plate 41 and a guide piece 42; the lamp plate 41 is provided with a plurality of first contact pieces 411 and second contact pieces 412 on the side abutting the guide piece 42 respectively; the guide piece 42 is provided with a plurality of through holes 421, and the base 2 is provided with a convex 21 at both ends; the convex 21 is inserted with a first spring 43, and the first spring 43 penetrates through the through hole 421 and abuts the first contact piece 411 on the side away from the convex; the guide piece 42 is provided with two positioning grooves 422 on the side close to the base 2, and the base 2 is also provided with a plurality of limiting columns 23 located on the side of the positioning grooves 422 for limiting the positioning grooves 422; through the elastic connection between the lamp plate 41 and the base 2 by two springs, the stability of the up-down sliding of the lamp plate 41 and the base 2 is maintained, and the limiting column 23 is arranged on the base 2 to limit the positioning groove 422, so as to avoid the inclination or displacement of the self-locking button during up-down sliding, and the spring is pressed from the head to realize contact and self-locking, which greatly increases the product stability and service life, and the assembly is simple. The advantage of such design is that the self-locking or contact cannot be realized due to the inclination or deformation of a spring.

[0036] As shown in Figures 1 to 7As shown, the positioning groove 422 is provided with a movable contact assembly 44; the movable contact assembly 44 is abutted by a second spring 45 on the side close to the lamp panel 41, the second spring 15 penetrates through the through hole 421 and abuts the second contact sheet 412; the movable contact assembly 44 comprises a movable spring sheet 441, the movable spring sheet 441 is provided with movable contact points 442 on both sides of the positioning groove 422; the outer shell is provided with a gear groove 11 outside; and the gear groove 11 is engaged with the matching part to play a waterproof role; the base 2 is provided with a stepped surface 28 on the side of the base 2, the stepped surface 28 abuts the stepped groove 31 of the bushing 3; the base 2 is respectively inserted with corresponding first stationary contact assemblies 46 on the side of the base 2 close to the movable contact points 442; the movable contact assembly 44 is elastically arranged in the positioning groove 422 by the second spring 45 and abuts the second contact sheet 412, the double-spring design makes the stability between the movable contact assembly 44 and the first stationary contact assembly 46 higher, and the problem of inward intrusion is avoided; the double movable contact points 442 on the movable spring sheet 441 cooperate with the corresponding first stationary contact assemblies 46 to form double contact points, which can improve the load current and effectively prevent the adhesion caused by excessive current; the guide member 42 is provided with a locking groove 423 between the two positioning grooves 422 on both sides of the guide member 42; the locking groove 423 is provided with a plurality of inclined grooves 424; the guide member 42 is provided with a plurality of hooks 426 on the side of the guide member 42 close to the lamp panel 41, which prevents the lamp panel 41 from being ejected by the first spring 44 and the second spring 45; the lamp panel 41 is provided with clamping columns 415 on both sides of the lamp panel 41, the guide member 42 is provided with limiting grooves 427 corresponding to the clamping columns 415, the clamping columns 415 are located in the limiting grooves 427, and the clamping columns 415 play a role of limiting the lamp panel 41; the base 2 comprises a clamping groove 24; the clamping groove 24 is provided with clamping hooks 241 at both ends of the clamping groove 24, the base 2 is provided with a locking hook 5, and the locking hook 5 penetrates through the clamping groove 24; the locking hook 5 comprises a flat portion 51 and two bent portions 52; the flat portion 51 abuts the clamping hook 241, and the two bent portions 52 abut the locking groove 423 respectively; the base 2 is provided with limiting platforms 26 on both sides of the bent portions 52, which are used for stabilizing and cooperating with the stroke stability of the self-locking button, the limiting platforms 26 also play a role of preventing mistakes and improve the assembly efficiency; the locking groove 423 on both sides of the guide member 42 is arranged to abut and cooperate with the locking hook 5, the locking hook 5 is clamped in the locking groove 423 by pressing the button, the locking groove 423 is provided with a plurality of inclined grooves, which makes the clamping hook not easy to be unhooked, and the locking hook 5 has high stability and is resistant to falling and shock; the outer shell 1 is provided with a button assembly 6 on the side away from the base 2; the button assembly 6 comprises a button 61 and a silica gel cap 62; the head of the button 61 is provided with a light-transmitting piece 63; the light-transmitting piece 63 is inserted with a cap 64 on one side of the light-transmitting piece 63; the button 61 is provided with a plurality of supporting columns 65 and positioning columns 66 at the bottom of the button 61, the guide member 42 is provided with corresponding arc-shaped platform columns 425 on the side close to the button 61; the supporting columns 65 are respectively attached to the arc-shaped platform columns 425 at both ends of the supporting columns 65; the arc-shaped platform columns 425 are clamped in the positioning columns 66, which can prevent the button 61 from being incorrectly assembled with the guide member 42 and play a role of preventing mistakes;The outer shell 1 and the bushing 3 abut against a circular lampshade 7, the circular lampshade 7 is located outside the support column 65, the lamp plate 41 is attached with a resistance sheet 413 on the side close to the base 2, the lamp plate 41 is attached with an LED lamp 414 on the side close to the button assembly 6, the LED lamp 414 is located in the circular lampshade 7, the circular lampshade 7 is provided with a through hole groove 71, the silica gel cap 62 is located in the through hole groove 71, the outer diameter of the silica gel cap 62 is smaller than the inner diameter of the through hole groove 71, the silica gel cap 62 is arranged between the button 61 and the circular lampshade 7, which can play a waterproof role, avoiding water seepage at the button 61 to the inside, causing product damage, the LED lamp 414 and the resistance sheet 413 are designed as a patch, which saves the original welding step and is more convenient to install, the circular lampshade 7 is arranged at the position of the LED lamp 414, and a closed space is formed between the arc-shaped column 425 and the circular lampshade 7 at both ends of the support column 65, improving the light condensation of the LED lamp 414, wherein the button 61 is provided with a light-transmitting piece 63 on the top, the light-transmitting piece 63 has light-transmitting property, the light can pass through the light-transmitting piece 63 and be transmitted out at the cap 64, further, the cap 64 is provided with a display groove on the top for light transmission.

[0037] As shown in Figure 8 , the static contact assembly includes a first static contact assembly 46 and a second static contact assembly 47, the first static contact assembly 46 includes a first static contact point 461, the first static contact point 461 is located below the movable contact point 442, the second static contact assembly 47 includes a second static contact point 471, the second static contact point 471 is located above the movable contact point 442, as shown in Figure 3 , Figure 5 , the static contact assembly includes a third static contact assembly 48, the third static contact assembly 48 includes a third static contact point 481, the third static contact point 481 is located below the movable contact point 442, two contact forms can be used to break through the single normally open and normally closed restriction, which can be flexibly adjusted and combined according to market demand to form one normally open and one normally closed, or simultaneously normally open / normally closed.

[0038] As shown in Figures 1 to 8 , the base 2 is inserted with a lamp pin 27, the lamp pin 27 is provided with a bending surface 271, the bending surface 271 is provided with a circular hole 272, the circular hole 272 is inserted into the convex block 21, the bending surface 271 is located between the first spring 5 and the base 2, the lamp pin 27 is inserted into the base 2 and the bending surface 271 is inserted into the convex block 21 of the base 2 to realize double interlocking design, and the conductivity of the lamp pin 27 and the second contact sheet 412 is ensured, only the lamp pin 27 needs to be inserted into the power supply to realize power supply, and the LED lamp 414 is conductive through the second contact sheet 412 to light up the lamp, further, as shown in Figure 10As shown, even without adding lamp pin 27, the switch of LED lamp 414 can be controlled by the movable contact and the static contact; the movable contact and the static contact are closed to realize the conduction of the second contact sheet 412, the current is transmitted to the LED lamp 414 through the second contact sheet 412 to light, and the movable contact and the static contact are disconnected, the LED lamp is powered off and extinguished.

[0039] In the description of the utility model, it is to explain that, unless there is explicit stipulation and limitation, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication, for the ordinary skilled in the art, the above-mentioned term can be understood according to the specific meaning in the utility model.

Claims

1. A large current self-locking push button switch, comprising a shell and a base, a bushing is arranged between the shell and the base; a conductive mechanism is arranged on the side of the bushing close to the base; the conductive mechanism comprises a driving assembly; characterized in that: The driving assembly comprises a lamp plate and a guide; the lamp plate is provided with a plurality of first contact pieces and second contact pieces on the side abutting the guide; the guide is provided with a plurality of through holes, and the base is provided with a convex bump at both ends; the convex bump is inserted with a first spring, and the first spring penetrates through the through hole and abuts against the first contact piece on the side away from the convex bump; the side of the guide close to the base is provided with two positioning grooves, and the base is further provided with a plurality of limiting columns located on the side of the positioning grooves and used for limiting the positioning grooves.

2. A high current self-locking push button switch as claimed in claim 1, wherein: The positioning groove is provided with a movable contact assembly; the movable contact assembly is abutted with a second spring on the side close to the lamp plate, the second spring penetrates through the through hole and abuts against the second contact piece; the movable contact assembly comprises a movable spring piece, and the movable spring piece is provided with movable contact points on both sides of the positioning groove; the outer shell is provided with a gear groove outside; the gear groove is engaged with the accessory to prevent water; the base is provided with a stepped surface on the side, and the stepped surface abuts against the stepped groove of the bushing.

3. A high current self-locking push button switch as defined in claim 2, wherein: The base is inserted with corresponding stationary contact assemblies on the side of the movable contact points.

4. A high current self-locking push button switch as claimed in claim 1 or 2, wherein: The guide is provided with a lock groove between the two positioning grooves on both sides; the lock groove is provided with a plurality of inclined grooves; the guide is provided with a plurality of hooks on the side of the lamp plate to prevent the lamp plate from being ejected by the first spring and the second spring; the lamp plate is provided with clamping columns on both sides, and the guide is provided with limiting grooves corresponding to the clamping columns, the clamping columns are located in the limiting grooves, and the clamping columns play a role in limiting the lamp plate.

5. A high current self-locking push button switch as defined in claim 1, wherein: The base comprises a clamping groove; the clamping groove is provided with a clamping hook at both ends, and the base is provided with a lock hook; the lock hook penetrates through the clamping groove; the lock hook comprises a flat portion and two bent portions; the flat portion abuts against the clamping hook, and the two bent portions abut against the lock groove respectively; the base is provided with a limiting table on both sides of the bent portion.

6. A high current self-locking push button switch as defined in claim 1, wherein: The outer shell is provided with a button assembly on the side away from the base; the button assembly comprises a button and a silica gel cap; the head of the button is provided with a light-transmitting piece; the light-transmitting piece is inserted with a cap on one side; the button is provided with a plurality of supporting columns and positioning columns at the bottom; the guide is provided with corresponding arc-shaped columnar structures on the side close to the button; the supporting columns are respectively attached to the arc-shaped columnar structures at both ends; the arc-shaped columnar structures are clamped in the positioning columns; the outer shell and the bushing are abutted with a circular lampshade; the circular lampshade is located outside the supporting columns; the circular lampshade is provided with a through hole groove; the silica gel cap is located in the through hole groove; the outer diameter of the silica gel cap is greater than the inner diameter of the through hole groove.

7. A high current self-locking push button switch as defined in claim 1 wherein: The lamp plate is attached with a resistance sheet on the side close to the base; the lamp plate is attached with an LED lamp on the side close to the button assembly.

8. A high current momentary push button switch as defined in claim 3 wherein: The stationary contact assembly comprises a first stationary contact assembly and a second stationary contact assembly; the first stationary contact assembly comprises a first stationary contact point, and the first stationary contact point is located below the movable contact point; the second stationary contact assembly comprises a second stationary contact point; the second stationary contact point is located above the movable contact point.

9. A high current momentary push button switch as defined in claim 3 wherein: The stationary contact assembly comprises a third stationary contact assembly, the third stationary contact assembly comprises a third stationary contact point, and the third stationary contact point is located below the movable contact point.

10. A high current self-locking push button switch as defined in claim 1, wherein: The base is inserted with a lamp pin, the lamp pin is provided with a bent surface, and the bent surface is provided with a circular hole; the circular hole is inserted into the convex bump, and the bent surface is located between the first spring and the base.

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