CN216849723U

CN216849723U - Waterproof switch

Info

Publication number: CN216849723U
Application number: CN202220106158.7U
Authority: CN
Inventors: 吴晓锋
Original assignee: Zhejiang Fengyi Electric Co ltd
Current assignee: Zhejiang Fengyi Electric Co ltd
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2022-06-28
Anticipated expiration: 2032-01-16

Abstract

The utility model discloses a waterproof switch, which comprises a shell, a key mechanism and a control switch; the shell comprises a base and a tube shell which are fixedly connected, the bottom of the tube shell is sleeved on the upper portion of the base, an installation cavity which is sunken upwards is formed at the bottom of the base, a control switch is fixed in the installation cavity, a through hole is formed in the position, opposite to a button on the control switch, of the base, a key mechanism is installed in the tube shell and comprises a control key which is movably installed in the tube shell from top to bottom, a trigger rod which penetrates through the through hole and is used for touching the button on the control switch is arranged on the lower portion of the control key, a waterproof rubber sleeve is further arranged in the tube shell and is of a tubular structure, the periphery of the upper end of the waterproof rubber sleeve is sleeved in an annular groove in the lower portion of the control key, and the periphery of the lower end of the waterproof rubber sleeve is compressed between the tube shell and the base. The utility model provides a waterproof type switch's structural design is reasonable, and the structure carries out optimal design, has fine waterproof performance to be convenient for equipment production, fine practicality has.

Description

Waterproof switch

Technical Field

The utility model relates to a waterproof type switch belongs to electric switch structural design field.

Background

The patent document CN206148316U discloses a button switch, which comprises a base component, a shell and a button component arranged in the shell, wherein the button component comprises a button, a pressure spring B, a base A and a contact ring, the button is arranged in the base A, the pressure spring B is sleeved on the button and is positioned between the base A and the button, the contact ring is positioned on the pressure spring B, is sleeved on the button and is arranged at the bottom end of the base A and is fixed through a clamping ring, the pressure spring A is also arranged above the pressure spring B in the button, two ends of the pressure spring A are respectively provided with a steel ball, and a ferrule is sleeved on the outer side of the steel ball in the base A; the base assembly comprises a base B and contact spring pieces symmetrically arranged in the base B, soldering lugs are arranged at the positions of the bottom of the base B corresponding to the contact spring pieces, and the soldering lugs and the contact spring pieces are fixed on the base B through rivets; the base A is connected with the base B through threads. The existing button switch is lack of an effective waterproof structure, so that the button switch is poor in waterproof performance in actual use, and the situation of circuit short circuit is caused by water entering the switch.

SUMMERY OF THE UTILITY MODEL

To pointing out not enough among the background art, the utility model aims at providing a waterproof type switch that waterproof performance is good.

Realize the utility model discloses the technical scheme of purpose is:

a waterproof switch comprises a shell, a key mechanism and a control switch; the shell comprises a base and a tube shell which are fixedly connected, the bottom of the tube shell is sleeved on the upper portion of the base, an installation cavity which is sunken upwards is formed at the bottom of the base, the control switch is fixed in the installation cavity, a through hole is formed in the position, opposite to a button on the control switch, on the base, a button mechanism is arranged in the tube shell and comprises a control button which is movably arranged in the tube shell from top to bottom, a trigger rod which penetrates through the through hole and is used for triggering the button on the control switch is arranged on the lower portion of the control button, a waterproof rubber sleeve is further arranged in the tube shell and is of a tubular structure, the periphery of the upper end of the waterproof rubber sleeve is sleeved in an annular groove in the lower portion of the control button, and the periphery of the lower end of the waterproof rubber sleeve is pressed between the tube shell and the base.

In the technical scheme, a lamp panel is arranged on the upper portion of the base inside the waterproof rubber sleeve, a lamp bead is arranged on the lamp panel, and the control key is made of light guide materials; the electricity connection pin of the lamp panel is extended downwards from the positioning jack on the base.

In the technical scheme, a sunken groove is formed in the surface of the upper part of the control key, and a surface cover is embedded in the sunken groove.

In the technical scheme, the buckle is arranged at the edge of the bottom of the installation cavity, and the control switch is clamped and fixed in the installation cavity through the buckle.

In the technical scheme, a limiting boss is formed on the outer peripheral side of the control key, and a limiting blocking edge matched with the upper part of the limiting boss in a blocking manner is formed at the inner upper end of the pipe shell.

In the technical scheme, an annular blocking surface is formed on the outer periphery of the upper portion of the base, the annular blocking surface is a conical ring surface with a small top and a large bottom, the lower periphery of the waterproof rubber sleeve is sleeved on the annular blocking surface, an annular pressing surface for pressing the waterproof rubber sleeve on the outer periphery of the annular blocking surface is arranged on the inner side wall of the tube shell, and the annular pressing surface is a conical ring surface with a large top and a small bottom.

In the technical scheme, the periphery of the base is provided with an annular blocking platform protruding outwards below the annular blocking surface, the tube shell is made of metal, an annular step surface is formed on the inner peripheral wall of the tube shell below the annular pressing surface and abuts against the upper part of the annular blocking platform, and the periphery of the bottom end of the tube shell is riveted inwards to form an annular tight ring matched with the annular blocking platform in a hook mode.

In the above technical scheme, the key mechanism further comprises a return spring, wherein the upper end and the lower end of the return spring are respectively abutted against the control key and the base, and the return spring provides upward return elasticity for the control key.

In the above technical scheme, the reset spring is a helical compression spring surrounding the trigger rod, the lower part of the control key and the upper part of the base are respectively provided with an upper positioning groove and a lower positioning groove which are used for positioning the upper end and the lower end of the helical compression spring, and the upper positioning groove and the lower positioning groove are annular grooves surrounding the trigger rod.

In the technical scheme, the electric connector is fixed at the bottom of the base in a clamping mode, and the bottom of the base extends into the electric connector.

The utility model discloses has positive effect: adopt the utility model provides a switch structure through set up waterproof gum cover in the tube, so carry out the separation by rainwater and the waterproof gum cover of dust accessible that the gap got into between tube and the control button and avoid getting into the casing in the core position, so can effectively strengthen the waterproof performance of switch, adopt the switch part of control break-make in this switch as control switch moreover, can pack control switch whole into the installation cavity of base when producing the switch to be favorable to the equipment production of product.

Drawings

Fig. 1 is a schematic perspective view of a switch of the present invention;

fig. 2 is a top view of the switch of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a control button of the present invention;

FIG. 5 is a schematic structural view of the base of the present invention;

fig. 6 is a schematic structural diagram of a control switch according to the present invention;

fig. 7 is a schematic structural diagram of the switch and the electrical connector of the present invention when assembled;

fig. 8 is a schematic structural view of the electrical connector shown in fig. 7.

The reference symbols shown in the figures are: 1-control switch; 11-a button; 2-a base; 20-positioning the jack; 21-mounting a cavity; 22-perforation; 23-buckling; 24-an annular stop surface; 25-lower positioning groove; 26-an annular baffle table; 3-a pipe shell; 31-limiting blocking edge; 32-annular compression surface; 33-an annular step surface; 34-an annular grip ring; 4-control the key; 41-a trigger lever; 42-an annular groove; 43-a limit boss; 44-upper positioning groove; 5-waterproof rubber sleeve; 6-a lamp panel; 61-power connection pin; 7-face cover; 8-a return spring; 9-electrical connector.

Detailed Description

In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 6, a waterproof switch in the present embodiment includes a housing, a key mechanism, and a control switch 1; the shell comprises a base 2 and a tube shell 3 which are fixedly connected, the bottom of the tube shell 3 is sleeved on the upper part of the base 2, an upward sunken installation cavity 21 is formed at the bottom of the base 2, the control switch 1 is fixed in the installation cavity 21, a through hole 22 is arranged at the position, opposite to a button 11 on the control switch 1, on the base 2, the key mechanism is arranged in the tube shell 3 and comprises a control key 4 which is movably arranged in the tube shell 3 up and down, a trigger rod 41 which penetrates through the through hole 22 and is used for touching the button 11 on the control switch 1 is arranged at the lower part of the control key 4, when the control key 4 is pressed downwards, the trigger rod 41 moves downwards and presses the button 11 to further control the connection and disconnection of the control switch 1, in addition, a waterproof rubber sleeve 5 is also arranged in the tube shell 3, the waterproof rubber sleeve 5 is of a tubular structure, the upper peripheral edge of the waterproof rubber sleeve is sleeved in an annular groove 42 at the lower part of the control key 4, the periphery of the lower end of the waterproof rubber sleeve 5 is pressed between the pipe shell 3 and the base 2. The control switch in the embodiment can adopt switch finished products on the existing market, such as a touch switch, a microswitch and the like. Adopt above-mentioned switch structure in this embodiment, through set up waterproof gum cover 5 in tube 3, so carry out the separation by rainwater and the waterproof gum cover of dust accessible 5 that the gap got into between tube 3 and the control button 4 and avoid getting into the casing in the core position, so can effectively strengthen the waterproof performance of switch, and adopt control switch as the switch part of control break-make in the switch, can pack control switch whole installation cavity 21 of base 2 into when producing the switch, thereby be favorable to the equipment production of product.

In this embodiment, the cross-sectional shape of the through hole 22 is non-circular, the cross-sectional shape of the corresponding trigger rod 41 is non-circular, and the non-circular shape may be a semicircular shape, a polygonal shape, an oval shape, or the like, so that the trigger rod 41 and the through hole 22 are matched to play a role of preventing rotation in the circumferential direction of the control key 4 connected to the trigger rod 41, and the trigger rod 41 may be fixedly connected to the control key 4 in an assembling manner, or the trigger rod 41 and the control key 4 are integrally formed.

In this embodiment, referring to fig. 3, a lamp panel 6 is installed inside the waterproof rubber sleeve 5 on the upper portion of the base 2, a lamp bead is arranged on the lamp panel 6, and the control key 4 is made of a light guide material; lamp plate 6 connect electric pin 61 by location jack 20 on the base 2 stretches out downwards, adopts this kind of structure to make this switch have luminous instruction function, connects the power through connecing electric pin 61, and lamp pearl on the lamp plate 6 is luminous and distributes out through control button 4, has light indicating effect. Above-mentioned lamp plate 6 can set up to ring shape lamp plate, sets up at least two lamp pearls (if set up 2, 3 or 4 lamp pearls) along the circumference equipartition at the upper surface of ring shape lamp plate to can externally give out relatively even light.

As a further embodiment in this embodiment, a concave sinking groove is formed on the upper surface of the control key 4, a surface cover 7 is embedded in the sinking groove, and the surface cover 7 can play a decorative role to enhance the aesthetic property of the switch; in the electric connector with the light indication, the hollowed-out patterns can be arranged on the surface cover 7, and the appearance is enhanced by emitting light.

Furthermore, installation cavity 21 bottom border department is equipped with buckle 23, control switch 1 passes through buckle 23 the joint is fixed in installation cavity 21, so can make control switch 1 and base 2's equipment convenient and fast more to be favorable to improving production efficiency.

In order to limit the control key 4, a limit boss 43 is formed on the outer peripheral side of the control key 4, a limit stop edge 31 which is matched with the upper part of the limit boss 43 in a propping manner is formed at the upper end in the tube shell 3, the key mechanism can be installed from the bottom of the tube shell 3 during assembly, the tube shell 3 is assembled with the base 2, and the limit effect is realized on the control key 4 through the propping of the limit boss 43 and the limit stop edge 31, and the specific structure is shown in fig. 3.

Further, an annular blocking surface 24 is formed on the outer periphery of the upper portion of the base 2, the annular blocking surface 24 is a tapered ring surface with a small upper portion and a large lower portion, the lower periphery of the waterproof rubber sleeve 5 is sleeved on the annular blocking surface 24, an annular pressing surface 32 for pressing the waterproof rubber sleeve 5 on the outer periphery of the annular blocking surface 24 is arranged on the inner side wall of the tube shell 3, and the annular pressing surface 32 is a tapered ring surface with a large upper portion and a small lower portion; thereby keep off face 24 through the annular that sets up the toper anchor ring face and be favorable to waterproof gum cover 5 lower extreme to cup joint more, and cup joint base 2 and tube 3 and compress tightly the face 32 through the annular and further compress tightly the lower extreme periphery of waterproof gum cover 5 on face 24 is kept off to the annular, so make waterproof gum cover 5's installation more convenient and firm.

In this embodiment, an annular stop 26 protruding outward is disposed below the annular stop 24 at the periphery of the base 2, the tube shell 3 is made of metal, an annular step surface 33 is formed below the annular pressing surface 32 on the inner peripheral wall of the tube shell 3, the annular step surface 33 abuts against the upper portion of the annular stop 26, the bottom end periphery of the tube shell 3 is riveted inward to form an annular tightening ring 34 in hooking fit with the annular stop 26, by adopting the above structure, when the annular step surface 33 on the tube shell 3 abuts against the upper portion of the annular stop 26 during assembly, the annular step surface 33 is sleeved in place with the upper end portion of the base 2, at this time, the annular pressing surface 32 presses the outer side of the lower end of the waterproof rubber sleeve 5 against the annular stop 24, and then the lower end periphery of the tube shell 3 is riveted inward to form the annular tightening ring 34, and the annular tightening ring 34 is pressed against the lower portion of the annular stop 26 to form hooking fit, thereby effectively connecting the tube shell 3 and the base 2 together, the assembly is convenient and reliable.

Furthermore, as shown in fig. 3 to 6, the key mechanism further includes a return spring 8, the upper end and the lower end of the return spring 8 are respectively abutted to the control key 4 and the base 2, the return spring 8 provides an upward return elastic force for the control key 4, and by providing the return spring 8, after the pressure applied to the control key 4 is removed, the return spring 8 can enable the control key 4 to move upward quickly to return.

More specifically, in this embodiment, reset spring 8 chooses for use the helical compression spring, and this helical compression spring encircles the setting of trigger lever 41, control button 4 lower part with base 2 upper portion is equipped with respectively right the last constant head tank 44 and the lower constant head tank 25 of both ends location about the helical compression spring, go up constant head tank 44 with constant head tank 25 is for encircleing the ring channel of trigger lever 41, through last constant head tank 44 with down constant head tank 25 can be better fix a position the helical compression spring.

Referring to fig. 7 and 8, in the switch of this embodiment, an electrical connector 9 is fixed to the bottom of the base 2 in a clamping manner, the bottom of the base 2 extends into the electrical connector 9, the pin on the control switch 1 and the power connection pin 61 on the lamp panel 6 are correspondingly contacted with a conductive terminal in the electrical connector 9 to form an electrical connection, and the conductive terminal is connected with an external control circuit through a wire.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. A waterproof switch is characterized by comprising a shell, a key mechanism and a control switch (1); the shell comprises a base (2) and a tube shell (3) which are fixedly connected, the bottom of the tube shell (3) is sleeved on the upper portion of the base (2), an installation cavity (21) which is sunken upwards is formed at the bottom of the base (2), the control switch (1) is fixed in the installation cavity (21), a through hole (22) is formed in the position, opposite to a button (11) on the control switch (1), on the base (2), of the key mechanism which is arranged in the tube shell (3) and comprises a control key (4) which is movably arranged in the tube shell (3) from top to bottom, a trigger rod (41) which penetrates through the through hole (22) and is used for triggering the button (11) on the control switch (1) is arranged at the lower portion of the control key (4), a waterproof rubber sleeve (5) is arranged in the tube shell (3), the waterproof rubber sleeve (5) is of a tubular structure, and the peripheral edge of the waterproof rubber sleeve (5) is sleeved in an annular groove (42) at the lower portion of the control key (4), the periphery of the lower end of the waterproof rubber sleeve (5) is pressed between the pipe shell (3) and the base (2).

2. The waterproof switch according to claim 1, wherein a lamp panel (6) is arranged inside the waterproof rubber sleeve (5) on the upper portion of the base (2), a lamp bead is arranged on the lamp panel (6), and the control key (4) is made of light guide materials; the electricity that connects of lamp plate (6) pin (61) by location jack (20) on base (2) stretches out downwards.

3. A water-proof switch according to claim 1, characterised in that the upper surface of the control button (4) is formed with a recessed sink in which a face cover (7) is fitted.

4. The waterproof switch according to claim 1, wherein a buckle (23) is arranged at the bottom edge of the installation cavity (21), and the control switch (1) is fixed in the installation cavity (21) through the buckle (23).

5. The waterproof switch according to claim 1, wherein a limit boss (43) is formed on the outer periphery of the control button (4), and a limit stop edge (31) which is matched with the upper part of the limit boss (43) in a stop manner is formed at the inner upper end of the pipe shell (3).

6. The waterproof switch according to claim 1, wherein an annular blocking surface (24) is formed on an outer periphery of an upper portion of the base (2), the annular blocking surface (24) is a tapered ring surface with a small top and a large bottom, a lower periphery of the waterproof rubber sleeve (5) is sleeved on the annular blocking surface (24), an annular pressing surface (32) for pressing the waterproof rubber sleeve (5) on an outer periphery of the annular blocking surface (24) is arranged on an inner side wall of the pipe shell (3), and the annular pressing surface (32) is a tapered ring surface with a large top and a small bottom.

7. The waterproof switch according to claim 6, wherein an annular stop (26) protruding outwards is arranged below the annular stop surface (24) on the periphery of the base (2), the pipe shell (3) is made of metal, an annular stepped surface (33) is formed below the annular pressing surface (32) on the inner peripheral wall of the pipe shell (3), the annular stepped surface (33) abuts against the upper portion of the annular stop (26), and the bottom end periphery of the pipe shell (3) is riveted inwards to form an annular tight ring (34) which is hooked and matched with the annular stop (26).

8. The waterproof switch according to any one of claims 1 to 7, wherein said push button mechanism further comprises a return spring (8), wherein the upper and lower ends of said return spring (8) abut against said control button (4) and said base (2), respectively, and said return spring (8) provides an upward return elastic force for said control button (4).

9. The waterproof switch according to claim 8, wherein said return spring (8) is a helical compression spring surrounding said trigger rod (41), said lower portion of said control button (4) and said upper portion of said base (2) are respectively provided with an upper positioning groove (44) and a lower positioning groove (25) for positioning the upper and lower ends of said helical compression spring, and said upper positioning groove (44) and said lower positioning groove (25) are annular grooves surrounding said trigger rod (41).

10. A water-proof switch according to claim 1, characterised in that an electrical connector (9) is snap-fitted to the bottom of the base (2), and the bottom of the base (2) extends into the interior of the electrical connector (9).