CN215183669U

CN215183669U - Rotary gear switch

Info

Publication number: CN215183669U
Application number: CN202121188601.1U
Authority: CN
Inventors: 陈宝艺
Original assignee: Dongguan Ganhad Industrial Co ltd
Current assignee: Dongguan Ganhad Industrial Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-14
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a rotatory gear switch, including shell, rotating part, movable contact spring, intermediate terminal, a plurality of quiet terminal and resilient means, rotating part and resilient means all establish in the shell, resilient means with rotating part links to each other, intermediate terminal and quiet terminal are all established one side of shell, rotating part drives the movable contact spring rotates, the one end of movable contact spring with intermediate terminal contacts, the other end and quiet terminal contact. In the utility model, because the elastic device is arranged, the first spring and the rod body of the elastic device can correspondingly rotate in the rotating process of the rotating shell, and the first spring can be compressed, so that the problem of poor hand feeling in the gear shifting process can be solved; in addition, through the second spring, the abrasion of the current to the movable contact piece due to circuit connection can be reduced to the greatest extent, and the service life is prolonged.

Description

Rotary gear switch

Technical Field

The utility model belongs to the technical field of rotary switch, concretely relates to rotatory gear switch.

Background

A range switch is a device that changes the power of an electrical device electrically connected to the range switch by rotating; generally, when the gear switch is turned, the resistance of the electrical device connected to the power supply can be changed, so as to change the power of the electrical device, and the electrical device can be a ceiling fan or other electric device with gear to be adjusted.

Generally speaking, the movable contact piece of the gear switch is a spring piece, the movable contact piece is driven to rotate by a shell, and the movable contact piece is contacted with different static terminals of the gear switch so as to change the power of an electrical device; however, because the movable contact piece is lack of a spring, namely no spring is abutted against the movable contact piece; when the movable contact piece is rotated, the hand feeling of the gear switch is not good, the gear force cannot be properly adjusted, and when the movable contact piece is rotated frequently, the movable contact piece is easy to deform, so that the service life of a product is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a rotary gear switch.

According to the utility model discloses an aspect provides a rotatory gear switch, including shell, rotating part, movable contact spring, intermediate terminal, a plurality of quiet terminal and resilient means, rotating part and resilient means all establish in the shell, resilient means with the rotating part links to each other, intermediate terminal and quiet terminal are all established one side of shell, the rotating part drives the movable contact spring rotates, the one end of movable contact spring with the intermediate terminal contact, the other end and the contact of quiet terminal.

In some embodiments, the rotating part includes a rotating shell and a rotating rod, the rotating shell is disposed in the outer shell, the elastic device is disposed in the rotating shell, the rotating rod penetrates through the outer shell and is connected with the rotating shell, the rotating shell is connected with the movable contact piece, and when the rotating rod rotates, the movable contact piece is driven to rotate through the rotating shell, so that the movable contact piece is connected with different fixed terminals. Therefore, by connecting different static terminals, the resistance of the access circuit of the electrical device can be changed, and the power of the electrical device can be adjusted.

In some embodiments, the elastic device includes a first spring and two rod bodies, the two rod bodies are respectively disposed at two ends of the first spring, the rotating shell is provided with two through holes, the first spring is disposed in the rotating shell, and one ends of the two rod bodies respectively extend out of the two through holes and are used for abutting against an inner wall of the shell.

In some embodiments, a plurality of clamping grooves are formed in the inner wall of the shell, and one end of the rod body, which extends out of the through hole, is used for abutting against the clamping grooves. Therefore, the rod body can be clamped into the clamping grooves, the rotating rod can be driven to rotate only by certain external force, and when the rotating rod rotates to different gears, the rod body can be clamped into different clamping grooves.

In some embodiments, the movable contact piece further comprises a second spring, one end of the second spring is arranged in the rotating shell, and the other end of the second spring extends out of the rotating shell and is used for abutting against the movable contact piece. Therefore, the movable contact piece can be abutted against the middle terminal and the fixed terminal through the second spring, so that the abrasion of the current to the movable contact piece during circuit connection can be reduced to the greatest extent, and the service life is prolonged.

In some embodiments, the housing includes a base and a cover, the cover is provided with a convex portion, the base is provided with a concave portion, the cover is connected to the base, the convex portion is clamped into the concave portion, and the base and the cover are formed with a receiving cavity.

In some embodiments, the movable contact piece is provided with contact bumps at both ends. Therefore, the movable contact piece can be connected with the intermediate terminal and the fixed terminal through the salient points.

In some embodiments, there are eight of the static terminals.

The utility model has the advantages as follows: when the rotating rod rotates, the rotating rod can drive the rotating shell to rotate, the rotating shell can drive the movable contact piece to rotate, and the movable contact piece can be connected to another fixed terminal after rotating to change the resistance of an access circuit of the electrical device so as to change the power of the electrical device. In the utility model, because the elastic device is arranged, the first spring and the rod body of the elastic device can correspondingly rotate in the rotating process of the rotating shell, and the first spring can be compressed, so that the problem of poor hand feeling in the gear shifting process can be solved; in addition, through the second spring, the abrasion of the current to the movable contact piece due to circuit connection can be reduced to the greatest extent, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a rotary position switch according to an embodiment of the present invention;

FIG. 2 is a schematic view of a hidden cover of the rotary switch shown in FIG. 1;

FIG. 3 is a schematic view of a hidden portion of the rotary position switch shown in FIG. 1;

FIG. 4 is a schematic view of the rotary position switch of FIG. 1 in another orientation;

FIG. 5 is a schematic view of a portion of the rotary position switch of FIG. 1;

fig. 6 is a schematic structural view of a cover, a movable contact piece and an elastic device of the rotary position switch shown in fig. 1.

In the figure: 1-a housing; 11-a base; 111-a recess; 12-a cover body; 121-card slot; 122-a convex portion; 2-a rotating member; 21-rotating the housing; 22-rotating rods; 3-moving contact piece; 31-bumps; 4-an intermediate terminal; 5-a stationary terminal; 6-elastic means; 61-a first spring; 62-a rod body; 7-second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Fig. 1 to 6 schematically show the structure of a rotary position switch according to an embodiment of the present invention.

As shown in fig. 1 to 6, a rotary inhibitor switch includes a housing 1, a rotary member 2, a movable contact piece 3, an intermediate terminal 4, a plurality of stationary terminals 5, and an elastic means 6. Furthermore, the rotary position switch also comprises a second spring 7.

In this embodiment, as shown in fig. 1 to fig. 3, the housing 1 may be integrally formed with a containing cavity, both the rotating component 2 and the elastic device 6 may be installed in the housing 1, the elastic device 6 is connected to the rotating component 2, as can be seen from fig. 4, both the intermediate terminal 4 and the static terminal 5 may be installed on the left side of the housing 1, wherein, there is one intermediate terminal 4 located in the middle position on the left side of the housing 1, the plurality of static terminals 5 are located on the left periphery of the housing 1, the rotating component 2 may drive the movable contact 3 to rotate, one end of the movable contact 3 is contacted with the intermediate terminal 4, and the other end is contacted with the static terminal 5, therefore, the electrical apparatus and the present invention may be connected together on a circuit.

The electrical device may be a ceiling fan or other device requiring gear shifting.

In this embodiment, as shown in fig. 1 and 2, the rotating member 2 includes a rotating housing 21 and a rotating rod 22, the rotating housing 21 can be installed in the housing 1, the elastic device 6 can be installed in the rotating housing 21, the lower end of the rotating rod 22 can penetrate through the housing 1 and is connected to the rotating housing 21, the rotating housing 21 is connected to the movable contact piece 3, when the rotating rod 22 rotates, the rotating housing 21 also rotates correspondingly, and the movable contact piece 3 can be fixedly installed on the rotating housing 21, so that the movable contact piece 3 can be driven to rotate by the rotating housing 21, so that the movable contact piece 3 is connected to different fixed terminals 5; by connecting different static terminals 5, the resistance of the access circuit of the electrical device can be changed, and the power of the electrical device can be adjusted.

In this embodiment, as shown in fig. 3, 5 and 6, the elastic device 6 includes a first spring 61 and two rods 62, the two rods 62 are respectively disposed at two ends of the first spring 61, two through holes can be integrally formed on the rotating casing 21, the first spring 61 can be installed in the rotating casing 21, as can be seen from fig. 2, one end of the two rods 62 respectively extends out of the two through holes, and at the same time, as can be seen from fig. 6, the extended portions of the two rods 62 can abut against the inner wall of the casing 1.

Specifically, in the present embodiment, as shown in fig. 6, a plurality of slots 121 may be integrally formed on the inner wall of the housing 1, and the rod 62 extending out of the through hole may be abutted in the slots 121; therefore, the rod body 62 can be clamped in the clamping groove 121, and the rotating rod 22 can be driven to rotate only by a certain external force, and when the rotating rod 22 rotates to different places, the rod body 62 can be clamped in different clamping grooves 121.

In the present embodiment, as shown in fig. 3 and 5, the upper end of the second spring 7 may be disposed in the rotating case 21, and the lower end may protrude out of the rotating case 21, while the portion of the second spring 7 protruding out of the rotating case 21 may abut on the movable contact 3; therefore, the movable contact piece 3 can be abutted against the intermediate terminal 4 and the fixed terminal 5 through the second spring 7, so that the movable contact piece 3, the intermediate terminal 4 and the fixed terminal 5 are connected into a circuit, and the abrasion of the current to the movable contact piece 3 due to circuit connection can be reduced to the greatest extent through the second spring 7, so that the service life is prolonged.

Specifically, in the present embodiment, as shown in fig. 1 to 6, the housing 1 may include a base 11 and a cover 12, a protrusion 122 is integrally formed on the cover 12, a recess 111 is formed on the base 11, the cover 12 is connected to the base 11, the protrusion 122 may be snapped into the recess 111, a receiving cavity is formed on the base 11 and the cover 12, and at the same time, a slot 121 is integrally formed on the cover 12.

In this embodiment, both ends of the movable contact piece 3 may be provided with contact bumps 31, as can be seen from fig. 5, the bump 31 at the left end of the movable contact piece 3 may be connected with the left fixed terminal 5, and the bump 31 at the right end of the movable contact piece 3 may be connected with the right middle terminal 4; therefore, the movable contact piece 3 can be connected to the intermediate terminal 4 and the fixed terminal 5 through the bump 31. In other embodiments, the bumps 31 may be provided at the respective positions of the intermediate terminal 4 and the stationary terminal 5.

In this embodiment, there are eight fixed terminals 5, so there are eight kinds of gear shifting, and the use of the electrical apparatus is convenient. In addition, there are eight card slots 121.

In order to use the present invention, a handle is further installed at the upper end of the rotating rod 22 as shown in fig. 1.

The following description is made of the usage of the present invention:

the electric appliance device and the utility model are installed in a circuit for use, and the specific installation mode can be seen in the prior art and is not described again; when the power of the electrical apparatus is to be adjusted, the handle mounted at the upper end of the rotating rod 22 can be rotated, the handle can drive the rotating rod 22 to rotate, when the rotating rod 22 rotates, the rotating shell 21 can be driven to rotate, the rotating shell 21 can drive the movable contact piece 3 to rotate, meanwhile, the rotating shell 21 can also drive the first spring 61 and the rod bodies 62 to rotate, the first spring 61 can be gradually compressed until the first spring is clamped into the corresponding clamping groove 121, and the first spring 61 supports the two rod bodies 62 in the corresponding clamping groove 121; when the movable contact piece 3 rotates, the second spring 7 is also in a compressed state all the time, one end of the movable contact piece 3 is always abutted to the middle terminal 4, and the other end of the movable contact piece is connected with different static terminals 5, so that the resistance of an electric device connected into a circuit can be adjusted, and the power of the electric device can be adjusted.

The utility model has the advantages as follows: when the middle terminal 4 of the movable contact piece 3 is connected with the fixed terminal 5, the electric device can be started; when the rotating rod 22 rotates, the rotating rod 22 can drive the rotating shell 21 to rotate, the rotating shell 21 can drive the movable contact piece 3 to rotate, and after the movable contact piece 3 rotates, the other fixed terminal 5 can be connected to change the resistance of the access circuit of the electrical device so as to change the power of the electrical device. In the utility model, due to the arrangement of the elastic device 6, in the process of rotating the rotating shell 21, the first spring 61 and the rod body 62 of the elastic device 6 can correspondingly rotate, and the first spring 61 can be compressed, so that the problem of poor hand feeling in the gear shifting process can be solved; in addition, the second spring 7 can reduce the abrasion of the current to the movable contact piece 3 caused by the circuit connection to the maximum extent, and prolong the service life.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A rotary position switch is characterized in that: the movable contact piece structure comprises a shell (1), a rotating part (2), a movable contact piece (3), an intermediate terminal (4), a plurality of static terminals (5) and an elastic device (6), wherein the rotating part (2) and the elastic device (6) are arranged in the shell (1), the elastic device (6) is connected with the rotating part (2), the intermediate terminal (4) and the static terminals (5) are arranged on one side of the shell (1), the rotating part (2) drives the movable contact piece (3) to rotate, one end of the movable contact piece (3) is in contact with the intermediate terminal (4), and the other end of the movable contact piece (3) is in contact with the static terminals (5).

2. The rotary position switch of claim 1, wherein: the rotating part (2) comprises a rotating shell (21) and a rotating rod (22), the rotating shell (21) is arranged in the shell (1), the elastic device (6) is arranged in the rotating shell (21), the rotating rod (22) penetrates through the shell (1) and is connected with the rotating shell (21), and the rotating shell (21) is connected with the movable contact piece (3); when the rotating rod (22) rotates, the movable contact piece (3) is driven to rotate through the rotating shell (21), so that the movable contact piece (3) is connected with different fixed terminals (5).

3. The rotary position switch of claim 2, wherein: elastic device (6) include first spring (61) and two body of rod (62), and the both ends at first spring (61) are established respectively to two body of rod (62), be equipped with two through-holes on rotating casing (21), establish first spring (61) rotate casing (21) in, two through-holes are stretched out respectively to the one end of two body of rod (62) for support on the inner wall of casing.

4. The rotary position switch of claim 3, wherein: a plurality of clamping grooves (121) are formed in the inner wall of the shell, and one end, extending out of the through hole, of the rod body (62) is used for abutting against the clamping grooves (121).

5. The rotary position switch of claim 4, wherein: the device also comprises a second spring (7), one end of the second spring (7) is arranged in the rotating shell (21), and the other end of the second spring extends out of the rotating shell (21) and is used for abutting against the movable contact piece (3).

6. The rotary position switch of claim 5, wherein: the shell (1) comprises a base (11) and a cover body (12), a convex portion (122) is arranged on the cover body (12), a concave portion (111) is arranged on the base (11), the cover body (12) is connected with the base (11), the convex portion (122) is clamped into the concave portion (111), and a containing cavity is formed between the base (11) and the cover body (12).

7. The rotary position switch according to any one of claims 1 to 6, wherein: contact salient points (31) are arranged at two ends of the movable contact piece (3).

8. The rotary position switch of claim 7, wherein: the number of the static terminals (5) is eight.