CN220041677U

CN220041677U - Rotary electric appliance switch structure

Info

Publication number: CN220041677U
Application number: CN202320938887.3U
Authority: CN
Inventors: 颜健衡
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-11-17
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to a rotary electric appliance switch structure, which comprises a shell, a base and a rotary rod, wherein the shell is covered on the base, and the rotary rod is arranged between the shell and the base. This rotary type electrical apparatus switch structure not only can increase its stability of operation through optimizing its inner structure, can reduce the volume moreover, satisfies the electrical apparatus demand of different models, and product application scope is wide, has fine industrial popularization prospect.

Description

Rotary electric appliance switch structure

Technical Field

The utility model relates to the field of electrical switches, in particular to a rotary electrical switch.

Background

The rotary electric appliance switch can conveniently and rapidly realize the on/off of an electric appliance or the adjustment of a gear through rotating a handle, and is widely applied to electric appliance products. The Chinese patent literature discloses a technical scheme with the patent application number of 202022664018.5 and the name of 'a knob type control switch', and the literature discloses a technical scheme using an elastic ring as a rotary switch positioning device. The elastic ring in the technical scheme is provided with an arc section, the arc section is provided with a protruding part, and the inner wall of the rotating cavity is provided with a groove which is in conflict with the protruding part. According to the scheme, the arc-shaped section generates elastic deformation in the stress rotation process, the elastic ring is driven to rotate, when the corresponding angle is rotated, the protruding portion is clamped in the groove, the positioning effect is achieved, and the damping effect is achieved.

The above-mentioned rotary electrical switch scheme, because of adopting the elastic ring as the damping structure of the rotary electrical switch, make it in actual use, still have the following problem: in order to obtain a good damping effect, the elastic ring is required to be relatively large in size, so that the elastic ring can obtain good elasticity, and further a good rotation damping effect is obtained. However, this construction is only suitable for rotary appliance switching solutions of large size and bulk.

When the elastic ring is applied to a exquisite and miniature rotary electric appliance switch scheme, the volume and the size of the elastic ring are smaller, but in this way, because the elastic ring is of a closed structure, the elastic deformation generated by the arc section is limited, when the size of the elastic ring is correspondingly smaller, the elastic force generated by the arc section is smaller, the elastic performance of the elastic ring is inevitably greatly reduced, the formed damping effect is poor, the rotary hand feeling is poor, and therefore the rotary electric appliance switch is not smooth enough to operate. Therefore, the rotary electric switch scheme with the structure is not suitable for producing small-volume or miniature rotary electric switch products, so that the application range of the rotary electric switch products with the structure is greatly limited, the application requirements on exquisite and miniature electric appliances are not met, and the market acceptance of the rotary electric switch products with the structure is greatly influenced.

Accordingly, in view of the foregoing deficiencies of the prior art rotary switch, the present inventors have recognized that there is a great need for further improvements to the prior art to better meet the application needs of the electrical industry.

Disclosure of Invention

The utility model aims to solve the problems and the defects, and provides a rotary electric switch structure which can not only increase the stability of operation, but also reduce the volume, meet the requirements of electric appliances of different types, has wide application range and has good industrial popularization prospect by optimizing the internal structure.

The technical scheme of the utility model is realized as follows: the utility model provides a rotation type electrical switch structure, includes shell, base and rotary rod, and the shell lid closes on the base, and the rotary rod setting is provided with the location shell fragment parallel with the rotary rod on the rotary rod between shell and base, and the lateral wall of location shell fragment is provided with the bellying, and the inside wall of shell is provided with the protrusion, and under the elasticity effect of location shell fragment self, the protrusion is in the same place with the bellying looks butt.

Further, the protruding part on the positioning spring plate is semi-cylindrical, hemispherical or arc.

Further, the protrusion on the inner side wall of the housing is semi-cylindrical, hemispherical, or circular arc.

The utility model has the beneficial effects that: because the positioning elastic sheet parallel to the rotating rod is arranged on the rotating rod, the protruding part is arranged on the outer side of the positioning elastic sheet, and the protruding object corresponding to the protruding part is arranged on the inner wall of the shell, the two protrusions are abutted together through the elastic force of the positioning elastic sheet, and the rotating positioning structure of the switch is realized. Through utilizing location shell fragment and rotary rod parallel arrangement's mode, make the location shell fragment in less space, also can produce great elastic motion for the bellying on the location shell fragment can cooperate with the protrusion on the shell inner wall and produce the rotatory damping effect of preferred, and stability can be splendid, and the rotatory rotation of switch is more smooth and easy. The rotary switch can be used for producing rotary switch products with larger specifications, and can also be used for producing miniature rotary switch products with more exquisite volumes, so that the switch size is more easily matched with an applied electric appliance, the rotary switch is not only applicable to large-sized electric appliances, but also applicable to microminiature electric appliances with high space requirements, and the application requirements of electric appliance products with various specifications are met, so that the application range of the rotary switch is wider. In addition, the positioning spring plate of the rotary electric appliance switch structure is of an independent sheet structure, so that the manufacturing and processing technology is simpler, and each positioning spring plate acts independently and is not mutually interfered during operation, thus the whole reliability and durability are better.

Drawings

FIG. 1 is a schematic diagram of explosion of a rotary switch structure for electrical appliances according to the present utility model

FIG. 2 is an internal cross-sectional view of a rotary electric switch structure according to the present utility model

FIG. 3 is a schematic view of the internal structure of the switch structure housing of the present utility model

Fig. 4 is a schematic diagram of a rotary rod and a positioning spring plate of a rotary switch structure of an electrical apparatus according to the present utility model

Fig. 5 is a schematic diagram of a chassis of a rotary electric switch structure according to the present utility model

Fig. 6 is a schematic diagram of a gear electrode plate of a rotary electric switch structure according to the present utility model

Fig. 7 is a schematic diagram of a common electrode plate of a rotary electric switch structure according to the present utility model

Description of the embodiments

As shown in fig. 1, 2 and 3, the rotary electrical switch structure of the present utility model includes a housing 1, a base 2 and a rotary rod 3, wherein the housing 1 is covered on the base 2, and the rotary rod 3 is disposed between the housing 1 and the base 2. The rotary rod 3 is provided with a positioning spring piece 4 parallel to the rotary rod, the outer side wall of the positioning spring piece 4 is provided with a protruding part 41, the inner side wall of the shell 1 is provided with a protruding object 12, and the protruding part 41 is abutted to the protruding object 12 under the action of the elastic force of the positioning spring piece, so that the positioning function of a switch gear is realized. The protrusions 41 and the protrusions 12 are preferably semi-cylindrical, but may be hemispherical or other protrusions having circular arc surfaces. The protruding portion 41 and the protruding object 12 have arc-shaped outer surfaces, and when the positioning spring piece 4 rotates relative to the housing 1, the arc-shaped outer surfaces are contacted, the resistance is small, and the rotation movement is smoother.

When the rotating rod 3 drives the positioning elastic sheet 4 to rotate, the positioning elastic sheet 4 receives pressure from the inner wall of the shell 1, and bends inwards to elastically move, so that the positioning elastic sheet can rotate along the inner wall of the shell 1. When the boss 41 of the positioning spring 4 is rotated to the highest position of the boss 12, the generated elastic force perpendicular to the side wall of the housing 1 is maximized, so that the positioning spring 4 can be firmly clamped between the rotating rod 3 and the housing 1. Meanwhile, when the positioning elastic sheet 4 slides along the protrusion 12 on the inner wall of the shell 1, certain friction resistance exists between the positioning elastic sheet and the protrusion due to the action of elastic force, when the elastic force is maximum, the damping effect between the two protrusions is also maximum, and a user can sense whether the positioning elastic sheet rotates in place or not by virtue of hand feeling.

As shown in fig. 1 and 4, the positioning spring 4 is composed of a connecting portion 42, a transition portion 43 and a vertical portion 44, a protruding portion 41 is arranged on the outer side of the vertical portion 44, the connecting portion 42 is connected with the rotating rod 3, and the connecting portion 42 is connected with the vertical portion 44 through the transition portion 43. The positioning spring plate 4 can be integrally formed with the rotating rod 3, a hole can be formed in the connecting part 42, the positioning spring plate is sleeved on the rotating rod 3, and the positioning spring plate can also rotate on the rotating rod 3 in a threaded mode. The positioning spring plate 4 can be one or two positioning spring plates symmetrically distributed on two sides of the rotating rod 3. When the location shell fragment is two, two location shell fragments 4 are inconsistent with the protrusion 12 of shell 1 inside wall simultaneously, take place elastic motion, and the elastic force that produces is bigger, and the stability of switch location is better, and the damping effect that produces is also bigger, and the feel when rotatory switch is also better. A clamping opening is formed between the positioning elastic sheet 4 and the rotating rod 3, and the clamping opening can face to the upper end of the rotating rod 3 or the lower end of the rotating rod 3. The orientation of the clamping opening does not influence the action of the positioning spring piece 4 and can be selected according to actual conditions.

As shown in fig. 1 and 4, the bottom end of the rotating rod 3 is provided with a sleeve joint column 31, a central hole 21 for the sleeve joint column 31 to pass through is correspondingly arranged on the base 2, and the bottom end of the rotating rod 3 is movably connected with the base 2 through the central hole 21. The top surface of the shell 1 is provided with a through hole 11 for the upper end of the rotating rod 3 to pass through, and the upper end of the rotating rod 3 passes through the through hole 11 and is arranged outside the shell 1. The rotating rod 3 is perpendicular to the base 2 and the top surface of the housing 1 and can rotate 360 °. Two connecting holes 13 are formed in two sides of the shell 1, two connecting holes 24 are formed in two sides of the corresponding base 2, the shell 1 is covered on the base 2, and bolts sequentially penetrate through the connecting holes 13 and 24 to tightly connect the shell 1 with the base 2. The two sides of the shell 1 are also provided with lugs 14 fixed on the electrical appliance, and the lugs 14 are provided with positioning holes 15, so that the switch can be fixed on the electrical appliance through the positioning holes 15 by using screws when in use.

As shown in fig. 4, a plurality of pins 32 are provided around the rotary rod 3 on the side of the rotary rod 3 to fix a rotary handle (not shown). The pin 32 comprises two long pins 321 and a plurality of short pins 322, wherein the two long pins 321 are symmetrically arranged at two ends of the rotating rod 3, the short pins 322 are symmetrically distributed at two sides of the two long pins 31, and the number of the short pins 322 can be two or four. The twist grip joint makes twist grip and rotary rod 3 zonulae occludens through interference fit on the round pin post 32, and the installation of twist grip can be made more firm by the setting up of a plurality of round pins post.

As shown in fig. 1, 6, and 7, the electrode sheet 5 is divided into a shift position electrode sheet 56 and a common electrode sheet 57, which are provided on the left and right half sides of the base 2, respectively. The electrode sheet (5) has a connection portion (51), a bent portion (52), a horizontal portion (53), and a locking portion (54). The horizontal part 53 of the gear electrode plate 56 is in a cone shape with a wide rear end and a narrow front end, the front end of the horizontal part 53 is connected with the bayonet lock part 54, the rear end is bent downwards to form the bending part 52, the lower end of the bending part 52 extends outwards to protrude out of the edge of the base 2 to form the connecting part 51, the tail end of the connecting part 51 is provided with a connecting hole 55 connected with an electric wire, the horizontal part 53 of the common electrode plate 57 is in a long arc shape, the two ends of the inner side of the long arc shape are respectively provided with the bayonet lock part 54, and the bending part 52 is arranged on the outer side of the long arc shape, can be arranged at the middle part and can also be arranged at the position of one end point.

As shown in fig. 5, the base 2 is provided with a plurality of groups of mounting holes 22 and positioning holes 23 for mounting the power supply pole pieces 5, each group of mounting holes 22 and positioning holes 23 are respectively provided with the power supply pole pieces 5, the mounting holes 22 are arranged at the outer side of the base 2 near the edge and are formed by combining long holes and circular arc holes, and the positioning holes 23 are arranged at the inner side of the base 2 near the center and are circular holes. In order to clamp the electrode sheet 5 to the mounting hole 22 and the positioning hole 23, the size of the long side of the long hole of the mounting hole 22 is the same as or slightly larger than the width of the bending part 52 of the electrode sheet 5, and the inner diameter of the circular arc hole is the same as or slightly larger than the width of the bayonet part 54; the inner diameter of the positioning hole 23 is the same as or slightly larger than the width of the bayonet portion 54.

During assembly, the connecting part 51 of the electrode plate 5 penetrates out of the base 2 downwards from the mounting hole 22 of the base 2, after the bending part 52 is inserted into the mounting hole 22, the front end of the electrode plate 5 is turned downwards, the horizontal part 53 is flatly paved on the surface of the base 2, the clamping pin 54 is inserted into the positioning hole 23, and the tail end of the connecting part 51 is pulled outwards, so that the bending part 52 and the clamping pin 54 on the electrode plate 5 are respectively clamped and locked with the mounting hole 22 and the positioning hole 23, and the electrode plate 5 is fixed on the base 2. Therefore, the riveting or screwing process of the common electrode slice assembly can be omitted, and the production cost is further reduced.

The drawings provided by the utility model are only schematic in structure and are not drawn according to the processing size and proportion, so the sizes of the components and the relation between other components are not limited by the display in the drawings, and the technical scheme of the utility model is understood by the description of the specification and the common general knowledge in the field. Further, the above-described embodiments are provided for illustrating the present utility model and are not intended to be limiting, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the scope of the present utility model.

The foregoing are merely some embodiments of the utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The utility model provides a rotation type electrical apparatus switch structure, includes shell (1), base (2) and rotary rod (3), and shell (1) lid closes on base (2), and rotary rod (3) set up between shell (1) and base (2), its characterized in that: the rotary rod (3) is provided with a positioning elastic piece (4) parallel to the rotary rod (3), the outer side wall of the positioning elastic piece (4) is provided with a protruding portion (41), the inner side wall of the shell (1) is provided with a protruding object (12), and the protruding portion (41) is abutted to the protruding object (12) under the action of the elastic force of the positioning elastic piece.

2. The rotary electric switch structure of claim 1, wherein: the protruding part (41) on the positioning elastic sheet (4) is in a semi-cylindrical shape, a hemispherical shape or an arc shape.

3. The rotary electric switch structure of claim 1, wherein: the protrusion (12) on the inner side wall of the shell (1) is semi-cylindrical, hemispherical or arc.

4. The rotary electric switch structure of claim 1, wherein: the positioning spring piece (4) consists of a connecting part (42), a transition part (43) and a vertical part (44), the protruding part (41) is arranged on the outer side of the vertical part (44), and the connecting part (42) is connected with the rotating rod (3).

5. The rotary electric switch structure of claim 1, wherein: the bottom end of the rotary rod (3) is provided with a sleeving column (31), and a central hole (21) for the sleeving column (31) to pass through is correspondingly formed in the base (2); the shell (1) is provided with a through hole (11) for the upper end of the rotating rod (3) to penetrate out, and the upper end of the rotating rod (3) penetrates through the through hole (11) and then is arranged outside the shell (1).

6. The rotary electric switch structure of claim 5, wherein: the side of rotary rod (3) is provided with a plurality of round pin posts (32) around rotary rod (3).

7. The rotary electric switch structure as recited in any one of claims 1-6, wherein: the base (2) is provided with a plurality of groups of mounting holes (22) and positioning holes (23) for mounting the power supply pole pieces.

8. The rotary electric switch structure of claim 7, wherein: electrode slice (5) is installed respectively in each group of mounting hole (22) and locating hole (23), and electrode slice (5) have connecting portion (51), kink (52), horizontal part (53) and bayonet lock portion (54), wherein bayonet lock portion (54) clamping in locating hole (23), horizontal part (53) tiling is in the surface of base (2), kink (52) clamping is in mounting hole (22), connecting portion (51) are protruding base (2) edge setting.

9. The rotary electric switch structure of claim 8, wherein: the mounting hole (22) is formed by an elongated hole having a size equal to or larger than the width of the bent portion (52) of the electrode tab (5) and an arc-shaped hole having a size equal to or larger than the width of the bayonet portion (54).

10. The rotary electric switch structure of claim 8, wherein: the positioning hole (23) is a circular hole, and the inner diameter of the positioning hole is equal to or larger than the width of the bayonet part (54).