CN220043828U - Switch with waterproof and dustproof functions - Google Patents

Abstract

A switch with waterproof and dustproof functions comprises a hollow shell and a sliding part; the shell comprises an inner shell and an outer shell, the inner shell comprises an inner shell main body provided with a bin body and a cover body which can be detachably covered on the bin body, a PCB (printed circuit board) and a Hall device which is electrically connected to the PCB are arranged in the bin body, a first sliding groove is formed in the outer wall of the inner shell main body, one end of the first sliding groove is opposite to the position of the Hall device, the other end of the first sliding groove is far away from the Hall device, the outer shell is detachably connected with the inner shell main body and covers the cover body, and a sliding hole opposite to the first sliding groove is formed in the outer shell; the sliding part comprises a containing part and a poking part, the containing part is arranged in the first sliding groove in a sliding mode, a magnet is arranged on one side, close to the inner shell body, of the containing part, and the poking part is arranged in the sliding hole in a sliding mode and protrudes out of the sliding hole. The switch of the utility model has the advantages of zero reduction, simple structure and convenient production, manufacture and assembly.

Description

Switch with waterproof and dustproof functions

Technical Field

The utility model relates to the technical field of switches, in particular to a switch with waterproof and dustproof functions.

Background

At present, most of on-off control of the switch of products with switches on the market adopts mechanical transmission control, the switch does not have waterproof and dustproof functions, water or dust can enter the inside of the switch through gaps between parts, and therefore the use of the products is affected, such as dust accumulation affects structural transmission or water causes faults of a circuit.

For this reason, there is a control of the switch by outputting a signal of its potential difference through a hall element by using the hall principle in the prior art. However, the existing hall switch has the disadvantages of more parts, complex structure, high production and manufacturing cost and high assembly difficulty.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a switch with waterproof and dustproof functions, which has a simple structure and is convenient to assemble.

In order to achieve the above object, the present utility model discloses a switch with waterproof and dustproof functions, which is characterized in that: comprises a hollow shell and a sliding pushing piece; the shell comprises an inner shell and an outer shell, the inner shell comprises an inner shell main body provided with a bin body and a cover body which can be detachably covered on the bin body, a PCB (printed circuit board) and a Hall device which is electrically connected to the PCB are arranged in the bin body, a first sliding groove is formed in the outer wall of the inner shell main body, one end of the first sliding groove is opposite to the Hall device, the other end of the first sliding groove is far away from the Hall device, the outer shell is detachably connected with the inner shell main body and covers the cover body, and a sliding hole opposite to the first sliding groove is formed in the outer shell; the sliding part comprises a containing part and a poking part, the containing part is arranged in the first sliding groove in a sliding mode, a magnet is arranged on one side, close to the inner shell body, of the containing part, and the poking part is arranged in the sliding hole in a sliding mode and protrudes out of the sliding hole.

Preferably, the length of the accommodating portion along the direction perpendicular to the sliding direction thereof is longer than the length of the sliding hole in the direction.

Preferably, a first accommodating groove is formed in the side surface, close to the inner shell body, of the accommodating part, the outline of the first accommodating groove is matched with the outline of the magnet, and the magnet is installed in the first accommodating groove.

Preferably, a second chute is arranged at the bottom of the first chute, one end of the second chute is opposite to the Hall device, and the other end of the second chute is far away from the Hall device; one side of the magnet, which is far away from the sliding part, protrudes out of the first accommodating groove and is embedded into the second sliding groove.

Further, a second accommodating groove is formed in the accommodating part, which is close to the side surface of the inner shell main body and far away from the Hall device, a spring piece arranged along the sliding direction of the sliding part is arranged in the second accommodating groove, and a protruding part is arranged on the spring piece; the bottom of the second chute is provided with clamping grooves matched with the protruding parts, and the number of the clamping grooves is at least two.

Preferably, the elastic sheet further comprises a first transition part and a second transition part which are respectively arranged at two ends of the protruding part, a first abutting part which is arranged at the first transition part and far away from the protruding part, and a second abutting part which is arranged at the second transition part and far away from the protruding part; the cross sections of the first transition part, the protruding part and the second transition part are arc-shaped; the first abutting part and the second abutting part are abutted against the groove wall of the second accommodating groove.

Preferably, the first transition portion and the second transition portion are abutted against the bottom of the second accommodating groove at positions away from the protruding portion.

Preferably, the abutting portion is an end face of the transition portion away from the protruding portion, or the abutting portion is a metal sheet, and the metal sheet is tightly attached to the side wall of the second accommodating groove.

Further, an arc-shaped transition part is arranged between two adjacent clamping grooves.

Preferably, the elastic sheet is formed by bending.

Compared with the prior art, the utility model has the beneficial effects that: according to the switch, the first sliding groove is formed in the outer wall of the shell, and the sliding part is connected in the first sliding groove in a sliding mode, namely the magnet is connected in the first sliding groove in a sliding mode. When the switch is used, a user slides the whole sliding part through the poking part, so that the magnet is driven to slide to a position close to or far away from the Hall device, and the Hall device outputs a potential difference signal to control the switch. The switch can control the potential difference of the Hall element only by arranging the first sliding chute outside the shell and the sliding pushing piece which is in sliding connection with the sliding chute, and has the advantages of zero reduction, simple structure and convenience in production, manufacture and assembly. In addition, the first sliding groove can be in sliding fit with the accommodating part of the sliding part, meanwhile, the thickness of the shell is reduced, the attenuation of the shell to the magnetic field of the magnet is reduced, the magnet is arranged on one side of the accommodating part close to the shell, and the magnetic field of the magnet is also reduced, so that the requirement on the magnetic field of the magnet is reduced, and the use cost of the magnet is reduced. In addition, the shell covers the connection gap between the inner shell main body and the cover body, so that the sealing performance of the switch is improved, and the dustproof and waterproof effects of the switch are improved.

Drawings

Fig. 1 is a perspective view of a switch with waterproof and dustproof functions of the present utility model;

FIG. 2 is an exploded view of the switch of FIG. 1;

FIG. 3 is a perspective view of the slide, magnet and spring;

FIG. 4 is a schematic diagram showing a state in which the sliding member is away from the Hall device;

FIG. 5 is an enlarged partial schematic view of FIG. 4 at A;

FIG. 6 is a schematic view of the sliding push member approaching the Hall device;

an inner case 1; an inner housing main body 11; a bin 111; a first chute 112; a second chute 113; a card slot 114; an arcuate transition 115; a cover 12;

a housing 2; a slide hole 21;

a sliding member 3; a housing portion 31; a first accommodation groove 32; a second accommodation groove 33; a toggle portion 34;

a PCB 4;

a Hall device 5;

a magnet 6;

a spring 7; a protruding portion 71; a first transition 72; a second transition 73; a first abutting portion 74; the second abutting portion 75.

Detailed Description

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The technical scheme of the utility model is further described below with reference to fig. 1-6.

A switch with waterproof and dustproof functions, see fig. 1-2, comprises a hollow shell and a sliding part 3. The shell comprises an inner shell 1 and an outer shell 2, wherein the inner shell 1 comprises an inner shell main body 11 provided with a bin body 111 and a cover body 12 which can be detachably covered on the bin body 111, and the covering mode can be clamping connection, threaded connection or other optional detachable connection modes. The bin 111 is internally provided with a PCB 4 and a Hall device 5 electrically connected to the PCB 4, and the bin 111 is internally provided with other electronic devices which can be set according to the actual needs and functions of products. When the assembly is carried out, after the PCB 4, the Hall device 5 and other electronic devices are arranged in the bin body 111, the cover body 12 is covered on the bin body 111, so that the bin body 111 forms a sealed cavity, and the effects of dust prevention and water prevention are achieved. In addition, the outer case 2 is detachably attached to the inner body main body, and the outer case 2 covers the connection gap of the inner case main body 11 and the cover 12, which further improves the dustproof and waterproof effect of the switch.

Referring to fig. 2 to 3, the outer wall of the inner housing main body 11 is provided with a first slide groove 112, one end of the first slide groove 112 is opposite to the position of the hall device 5, and the other end of the first slide groove 112 is away from the hall device 5. The casing 2 is provided with a slide hole 21 opposite to the first slide groove 112, the slide hole 21 is smaller than the first slide groove 112, and as a preferable scheme, the center positions of the slide hole 21 and the first slide groove are located at the same position. The sliding part 3 comprises an integrated accommodating part 31 and a poking part 34; the accommodating part 31 is slidably arranged in the first chute 112, and a magnet 6 is arranged on one side of the accommodating part 31, which is close to the inner shell main body 11; the poking part 34 can move in the sliding hole 21, and the end part of the poking part protrudes out of the sliding hole 21 for a user to push the sliding piece 3. The switch is provided with the first sliding groove 112 on the outer wall of the inner shell main body 11, and the sliding piece 3 is slidably connected in the first sliding groove 112, that is, the magnet 6 is slidably connected in the first sliding groove 112. When in use, a user slides the whole sliding part 3 through the poking part 34, so that the magnet 6 is driven to slide to a position close to or far away from the Hall device 5, and the Hall device 5 outputs a potential difference signal to control the switch. The switch realizes the control of the potential difference of the Hall element only by arranging the first chute 112 outside the inner shell main body 11 and the sliding pushing piece 3 which is connected in the chute in a sliding way, and has the advantages of zero reduction, simple structure and convenient production, manufacture and assembly. Besides, the first sliding groove 112 can be in sliding fit with the accommodating portion 31 of the sliding member 3, and meanwhile, the thickness of the housing is reduced, the attenuation of the magnetic field of the magnet 6 by the inner housing main body 11 is reduced, and the magnetic field of the magnet 6 is also reduced by arranging the magnet 6 on the side of the accommodating portion 31 close to the housing, so that the requirement on the magnetic field of the magnet 6 is reduced, and the use cost of the magnet 6 is reduced.

The sliding member 3 is slidably disposed in the first sliding groove 112, and the length of the accommodating portion 31 along the direction perpendicular to the sliding direction is longer than the length of the sliding hole 21 in the direction, so that the sliding member 3 is limited in the first sliding groove 112 so as to slide along the sliding groove only when the housing 2 is covered on the inner housing main body 11. Of course, the sliding engagement of the sliding member 3 with the first chute 112 may be achieved by other schemes, which will not be described herein.

Referring to fig. 3 to 6, the side of the accommodating portion 31, which is close to the inner housing main body 11, is provided with a first accommodating groove 32, the magnet 6 is mounted in the first accommodating groove 32, and the contour of the first accommodating groove 32 is adapted to the contour of the magnet 6, so that the magnet 6 can be firmly mounted in the first accommodating groove 32. After the magnet 6 is completely embedded into the first accommodating groove 32, the side of the magnet 6 away from the sliding part 3 protrudes out of the first accommodating groove 32, and the protruding portion of the magnet 6 can facilitate the user to take the magnet 6 out of the first accommodating groove 32, so that the magnet 6 can be detached and replaced conveniently. In order to avoid interference between the protruding portion of the magnet 6 and the inner housing main body 11 and to ensure firm installation of the magnet 6, a second sliding slot 113 is provided at the bottom of the first sliding slot 112, and the protruding portion of the magnet 6 is embedded in the second sliding slot 113 and contacts with the bottom of the second sliding slot 113.

Referring to fig. 3-6, the side of the accommodating portion 31, which is close to the housing, is provided with a second accommodating groove 33, the second accommodating groove 33 is located beside the first accommodating groove 32 and far away from the hall device 5, the second accommodating groove 33 is internally provided with a spring piece 7 arranged along the sliding direction of the sliding member 3, and the spring piece 7 is made of metal material and is formed by bending, so that the production and the manufacturing are facilitated. The spring 7 is provided with a protruding portion 71, the bottom of the second chute 113 is provided with at least two clamping grooves 114 matching with the protruding portion 71, in this embodiment, two clamping grooves 114 are arranged in parallel, and the parallel direction of the two clamping grooves 114 is the same as the moving direction of the sliding member 3. When the sliding member 3 is located at the position closest to or farthest from the magnet 6, the protruding parts 71 of the spring plates 7 are all clamped in the clamping grooves 114, so that the sliding member 3 is fixed in the first sliding groove 112; when pushing the sliding member 3, the protruding portion 71 slides out from the clamping groove 114, and in this process, the protruding portion is elastically deformed, and there is a force for preventing the sliding member 3 from sliding, so that the sliding member 3 has a damping feel during sliding, and the sliding use effect of the sliding member 3 is improved.

Referring to fig. 5, the spring 7 further includes a first transition portion 72 and a second transition portion 73 respectively disposed at two ends of the protruding portion 71, a first abutment portion 74 disposed at the first transition portion 72 and away from the protruding portion 71, and a second abutment portion 75 disposed at the second transition portion 73 and away from the protruding portion 71. The cross-sectional shapes of the first transition portion 72, the protruding portion 71 and the second transition portion 73 are arc-shaped, and the positions of the first transition portion 72 and the second transition portion 73 away from the protruding portion 71 are abutted against the bottom of the second accommodating groove 33; when the elastic sheet 7 is installed in the second accommodating groove 33, the first abutting portion 74 and the second abutting portion 75 abut against the groove wall of the second accommodating groove 33. When the switch is used, when the sliding part 3 slides to the side close to the magnet 6, the protruding part deflects to the side of the first transition part 72, the connection position of the protruding part and the first transition part 72 is compressed, and the arc-shaped structures of the protruding part and the first transition part 72 provide and buffer deformation and deformation space; when the slide 3 is moved to the target position, the protruding portion and the first transition portion 72 return to the original shapes. Similarly, when the sliding member 3 slides to the side far away from the magnet 6, the protruding part deflects to the side of the second transition part 73, the connection position of the protruding part and the second transition part 73 is compressed, and the arc-shaped structures of the protruding part and the second transition part 73 provide and buffer deformation and deformation space; when the slide 3 is moved to the target position, the protruding portion and the second transition portion 73 return to the original shapes. The convex part and the transition part ensure the damping hand feeling of the sliding process of the sliding part 3, and simultaneously reduce the sliding resistance of the sliding part 3 to the maximum extent.

Referring to fig. 5, the abutting portion is a vertically disposed metal sheet, and the metal sheet is closely attached to the side wall of the second accommodating groove 33, which firmly installs the elastic sheet 7 in the second accommodating groove 33. It can be understood that the abutting portion may be an end surface of the transition portion away from the protruding portion 71, i.e. the metal sheet is not provided, and the structure of the spring sheet 7 is simple, but the stability of the spring sheet 7 installed in the second accommodating groove 33 is lower than that of the spring sheet 7 with the structure described above.

Referring to fig. 5, an arc-shaped transition portion 115 is formed between two adjacent clamping grooves 114, and the cross-sectional shape of the arc-shaped transition portion 115 is arc-shaped, thereby connecting the two adjacent clamping grooves 114. When the sliding part 3 slides from one clamping groove 114 to the other clamping groove 114, the arc-shaped transition part 115 reduces the sliding resistance of the sliding part 3, and simultaneously, the sliding process of the sliding part 3 is smoother, so that the sliding part is convenient for users to use and the use experience is improved.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A switch with waterproof dustproof function, its characterized in that: comprises a hollow shell and a sliding pushing piece; the shell comprises an inner shell and an outer shell, the inner shell comprises an inner shell main body provided with a bin body and a cover body which can be detachably covered on the bin body, a PCB (printed circuit board) and a Hall device which is electrically connected to the PCB are arranged in the bin body, a first sliding groove is formed in the outer wall of the inner shell main body, one end of the first sliding groove is opposite to the Hall device, the other end of the first sliding groove is far away from the Hall device, the outer shell is detachably connected with the inner shell main body and covers the cover body, and a sliding hole opposite to the first sliding groove is formed in the outer shell; the sliding part comprises a containing part and a poking part, the containing part is arranged in the first sliding groove in a sliding mode, a magnet is arranged on one side, close to the inner shell body, of the containing part, and the poking part is arranged in the sliding hole in a sliding mode and protrudes out of the sliding hole.

2. The switch with waterproof and dustproof functions according to claim 1, wherein: the length of the accommodating part along the direction perpendicular to the sliding direction is longer than the length of the sliding hole along the direction.

3. The switch with waterproof and dustproof functions according to claim 1, wherein: the side of the containing part, which is close to the inner shell main body, is provided with a first containing groove, the outline of the first containing groove is matched with the outline of the magnet, and the magnet is installed in the first containing groove.

4. A switch with waterproof and dustproof functions according to claim 3, characterized in that: a second chute is arranged at the bottom of the first chute, one end of the second chute is opposite to the Hall device, and the other end of the second chute is far away from the Hall device; one side of the magnet, which is far away from the sliding part, protrudes out of the first accommodating groove and is embedded into the second sliding groove.

5. The switch with waterproof and dustproof functions according to any one of claims 1 to 4, wherein: the accommodating part is provided with a second accommodating groove at a position which is close to the side surface of the inner shell main body and far away from the Hall device, an elastic sheet arranged along the sliding direction of the sliding part is arranged in the second accommodating groove, and a protruding part is arranged on the elastic sheet; the bottom of the second chute is provided with clamping grooves matched with the protruding parts, and the number of the clamping grooves is at least two.

6. The switch with waterproof and dustproof functions according to claim 5, wherein: the elastic piece further comprises a first transition part and a second transition part which are respectively arranged at two ends of the protruding part, a first abutting part which is arranged at the first transition part and far away from the protruding part, and a second abutting part which is arranged at the second transition part and far away from the protruding part; the cross sections of the first transition part, the protruding part and the second transition part are arc-shaped; the first abutting part and the second abutting part are abutted against the groove wall of the second accommodating groove.

7. The switch with waterproof and dustproof functions according to claim 6, wherein: the first transition part and the second transition part are abutted against the bottom of the second accommodating groove at positions far away from the protruding part.

8. The switch with waterproof and dustproof functions according to claim 6, wherein: the abutting part is an end face of the transition part far away from the protruding part, or is a metal sheet, and the metal sheet is tightly attached to the side wall of the second accommodating groove.

9. The switch with waterproof and dustproof functions according to claim 5, wherein: an arc-shaped transition part is arranged between two adjacent clamping grooves.

10. The switch with waterproof and dustproof functions according to claim 5, wherein: the elastic sheet is formed by bending.