CN217902975U

CN217902975U - Multi-way rotary switch

Info

Publication number: CN217902975U
Application number: CN202222132260.7U
Authority: CN
Inventors: 李军; 蔡春贤
Original assignee: Dongguan Syou Electronics Co ltd
Current assignee: Guangdong Shunyou Electronics Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-25
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a multichannel formula rotary switch, its axle center, and a housing, the brush, the assembly of multi-way switch can be realized to spacer and body, its component parts have been retrencied, can realize littleer multichannel formula rotary switch size, shift to the shell through the wave driving disk structure that will have now, reduce the setting of wave driving disk and can follow outside direct observation to the gear position condition of spacer in the constant head tank, because shell and spacer are the metal material, the rotation of constituteing between the two is felt more in the same direction as smooth, simplify the shaping structure in axle center, and the manufacturing cost is reduced.

Description

Multi-way rotary switch

Technical Field

The utility model relates to a rotary switch technical field especially relates to a multichannel formula rotary switch.

Background

The present chinese utility model patent with publication number CN207458818U in the prior art discloses a multiway switch, which comprises a body, a shaft sleeve, a wave plate, a shaft core and a spring plate, wherein the body and the shaft sleeve enclose to form an inner cavity, the spring plate and the wave plate are arranged in the inner cavity up and down, and the shaft sleeve is sleeved outside the shaft core; the lower end of the shaft core is connected with the fluctuation disc in an integrated forming mode, and the lower surface of the fluctuation disc is coated with a contact piece in a plastic mode. In the prior art, the shaft core and the fluctuation disc are integrally formed and connected, and the contact piece is coated and molded on the lower surface of the fluctuation disc, so that the assembly process is reduced, and the production efficiency is improved; meanwhile, no connecting gap exists between the three components, and when the shaft core is rotated, the gears are accurate and clear, so that the service performance is improved; and the connection strength between the three is high, so that the vibration and the rotation force can be borne violently, the use by a user is facilitated, and the service life is prolonged.

The above prior art mainly has the following disadvantages: at first because wave driving disk and shell fragment are closed by the axle sleeve lid, can't follow outside direct observation gear state, secondly the reason of current multi-way switch structure, its volume is still great, can't satisfy the restriction of the installation space of smaller size, and last wave driving disk, axle center and contact piece all are integrated integrative simultaneously, and are high to mould and manufacturing process requirement, and manufacturing cost is great.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a multichannel formula rotary switch.

The embodiment of the utility model provides a multichannel formula rotary switch, it includes the shell, the spacer, the axle center, the brush, hardware and body, the top surface of body has the recess, the integrative injection moulding of hardware is in the body, and a plurality of hardware has a plurality of fixed contacts along the circumferencial direction distribution of being separated by in the recess, the hardware extends outward at the body has a plurality of connection feet, the bottom in axle center rotationally inlays the dress in the recess, the fixed assembly in the bottom surface in axle center of brush, the brush has movable contact, movable contact switches under the drive in axle center and contacts with the switching in order to accomplish the multichannel return circuit with different fixed contacts, the spacer is fixed on the axle center, the spacer has the location lug that can elasticity activity from top to bottom, the shell is fixed with the body assembly and with the axle center, the spacer, the brush, the shell has the constant head tank of a plurality of equidistant settings along circumference configuration, the location lug switches the position in different constant head tanks under the drive in axle center, in order to realize the location to different return circuits.

In some of these embodiments, the recess has a raised boss in the center, and the bottom surface of the shaft has a raised shaft that is rotatably inserted into the boss.

In some embodiments, the inner wall of the groove is provided with a recessed limit groove which extends along the circumferential direction and has a limited circumference, the bottom surface of the shaft center is provided with a limit block, and the limit block is embedded in the limit groove so that the shaft center can rotate in the groove with a certain rotation range limitation.

In some embodiments, the shaft sleeve and the inner wall of the groove form an annular chamber, the brush is embedded in the annular chamber, and the fixed contact is positioned on the bottom surface of the annular chamber.

In some embodiments, the brush has a positioning hole for positioning and assembling with a positioning column on the bottom surface of the shaft center, so as to realize synchronous transmission of the brush and the shaft center.

In some embodiments, the positioning sheet has a convex edge extending outwards, and the shaft center is correspondingly provided with a concave position, and the concave position is in concave-convex engagement with the convex edge to realize the assembly of the positioning sheet on the shaft center.

In some embodiments, the top surface of the housing has a through hole for the top of the shaft to pass through, and the positioning slot is disposed at the inner edge of the through hole.

Compared with the prior art, the embodiment of the utility model provides a multichannel formula rotary switch, its axle center, and a housing, a brush, the assembling of multi-way switch can be realized to spacer and body, its component parts have retrencied, can realize littleer multichannel formula rotary switch size, shift to the shell through the wave driving disk structure that will have now, reduce the setting of wave driving disk and can follow the gear position condition of outside direct observation spacer in the constant head tank, because shell and spacer are the metal material, the rotation of constituteing between the two is felt more in the same direction as smooth, simplify the shaping structure in axle center, and the manufacturing cost is reduced.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of other features, objects, and advantages of the invention.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an assembly structure view of a multi-way rotary switch according to an embodiment of the present invention.

Fig. 2 is an exploded structural view of the multi-way rotary switch according to the embodiment of the present invention.

In the figure, 1, a housing; 2. positioning a sheet; 3. an axis; 4. a brush; 5. hardware; 6. a body; 7. a groove; 8. a shaft sleeve; 9. a limiting groove; 10. a limiting block; 11. an annular chamber; 12. a connecting pin; 13. a convex strip; 14. a movable contact; 15. positioning holes; 16. a concave position; 17. positioning a groove; 18. positioning the bump; 19. buckling holes; 20. reversing; 21. and (4) a convex edge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Moreover, it should be further appreciated that, although such a development effort might be complex and tedious, it would be appreciated by those skilled in the art that variations in design, fabrication, or manufacture based on the teachings herein may be made without departing from the general principles of the present disclosure, and such variations are not to be considered as a departure from the spirit and scope of the present disclosure.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, 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 use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number of times it is recited, either in the singular or the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, "a and/or B" may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1-2, the embodiment of the present invention provides a multi-way rotary switch, which includes a metal shell 1, a metal and elastically deformable spacer 2, a plastic axis 3, a conductive metal brush 4, a conductive metal hardware 5 and a plastic body 6, wherein the spacer 2, the axis 3, the brush 4 and the hardware 5 are assembled together into a whole by the body 6 and the shell 1. The present embodiment eliminates the provision of the sleeve 8 and the integration of the wave plate and the contact plate on the shaft core 3 as in the prior art, simplifies the molding structure and the manufacturing process, and reduces the manufacturing cost.

In the body 6 of the embodiment, the top surface of the body has a circular groove 7, the center of the groove 7 has a convex shaft sleeve 8, the bottom surface of the shaft center 3 has a convex shaft rod, the shaft rod is rotatably inserted into the shaft sleeve 8 to support the rotation of the shaft center 3, the inner wall of the groove 7 has a concave limiting groove 9 extending along the circumferential direction and having a limited circumference, the limiting groove 9 is used for matching with a limiting block 10 on the bottom surface of the shaft center 3, when the limiting block 10 is embedded into the limiting groove 9, the shaft center 3 rotates in the groove 7 with a certain rotation range limitation, and the rotation range of the rotary switch is limited by the limitation of the limiting block 10 and the limiting groove 9, so as to realize the limitation of the rotation stroke. An annular chamber 11 is formed between the shaft sleeve 8 and the inner wall of the groove 7, the annular chamber 11 is used for embedding the brush 4 to limit the horizontal position of the brush 4, the fixed contact of the hardware 5 is positioned on the bottom surface of the annular chamber 11, the horizontal position of the brush 4 can be better limited by the annular chamber 11, the brush 4 cannot easily shake, the brush 4 can be in more stable contact with the hardware 5, and the signal output is more stable. For better assembly with the housing 1, the body 6 has an undercut 20 on its side for snap-fitting. It can be seen that the body 6 is simple and reliable, and the brush 4 is better assembled by forming the annular chamber 11 in an integral injection-molded structure.

The hardware 5 of this embodiment is integrally injection-molded in the body 6, five hardware 5 are distributed with five fixed contacts at intervals in the circumferential direction in the groove 7, and it can be seen from the figure that the hardware 5 extends outside the body 6 with five connecting pins 12, thereby realizing multi-output.

In the shaft center 3 of this embodiment, the top portion is a column shape with a smaller outer diameter and the bottom portion is a disc shape with a larger outer diameter, the bottom surface of the bottom portion of the shaft center 3 is provided with a downward convex limiting block 10, and the limiting block 10 is embedded in the limiting groove 9 of the body 6, so that the shaft center 3 rotates in the groove 7 with a certain rotation range limitation. The bottom of the axle center 3 is rotatably embedded in the groove 7, and the axle center 3 can stably and reliably rotate by taking the groove 7 and the shaft sleeve 8 as supports. Four sets of convex strips 13 are arranged on the upper surface of the bottom of the shaft center 3, gaps are formed between the end parts of the adjacent convex strips 13, the four sets of gaps are used for assembling the positioning sheets 2, and after the shell 1 is fixed on the body 6, the bottom surface of the shell 1 abuts against the top surfaces of the four sets of convex strips 13, so that a certain distance is formed between the bottom surface of the shell 1 and the upper surface of the bottom surface of the shaft center 3, and the distance is used as an assembling space of the positioning sheets 2 and a moving space of the positioning lug 18. The axle center 3 of this embodiment is simple in structure, and manufacturing cost and requirement are all lower, and the upper surface and the lower surface of axle center 3 bottom equally divide and set up stopper 10 and sand grip 13 respectively in order to play the function of injecing rotation range and assembly spacer 2 respectively.

The brush 4 of the present embodiment is fixedly assembled on the bottom surface of the shaft center 3 and located in the annular chamber 11 of the body 6, the brush 4 is in a twisted ring shape and has a movable contact 14 located at a twisted lower position and a positioning hole 15 located at a twisted higher position, and the positioning hole 15 is used for positioning and assembling with the positioning column on the bottom surface of the shaft center 3, so as to realize synchronous transmission of the brush 4 and the shaft center 3. After the shaft center 3 is assembled in place on the body 6, the positioning hole 15 located at the twist high position is pressed down, and the movable contact 14 located at the twist low position is in close contact with the fixed contact on the body 6, so that sufficient contact is ensured, and the stability of signal output is improved. The movable contact 14 of the brush 4 is switched to contact with different fixed contacts under the driving of the shaft center 3 to complete the switching of a multi-circuit loop, and the multi-stage output is realized.

The positioning plate 2 of the present embodiment is fixed on the shaft center 3, the positioning plate 2 is integrally in a ring-shaped structure and has a positioning protrusion 18 capable of elastically moving up and down, and after receiving a downward pressure, the positioning protrusion 18 elastically deforms and moves down by using the connecting sections at the two ends of the positioning protrusion 18. The positioning plate 2 has four convex edges 21 extending outwards, the upper surface of the bottom of the axle center 3 is correspondingly provided with four concave positions 16, the four concave positions 16 are formed by the four gaps, and the concave positions 16 are in concave-convex fit with the convex edges 21 to realize the assembly of the positioning plate 2 on the axle center 3. Through the simple structure integration with the wave disk on shell 1 cooperation spacer 2 realizes more audio-visual gear demonstration, the user can observe the gear that current rotational position corresponds more directly perceivedly, the user's of being convenient for use more.

In order to realize gear shifting by matching with the positioning plate 2, the top surface of the housing 1 is provided with a through hole for the top of the shaft center 3 to pass through, the inner edge of the through hole extends towards the periphery and is provided with a plurality of positioning grooves 17 which are arranged along the circumferential direction and are arranged at equal intervals, and the positioning lug 18 is driven by the shaft center 3 to switch the positions in different positioning grooves 17 so as to realize the switching of different loop gears. The housing 1 is provided with a hole 19 for engaging with the reverse buckle 20.

The embodiment of the utility model provides a theory of operation: the top of the shaft center 3 is forced to rotate, the shaft center 3 drives the brush 4 to move along the rotating direction to switch the contact loop of the movable contact 14 and the fixed contact, and simultaneously, the shaft center 3 drives the positioning sheet 2 to switch the position of the positioning lug 18 on the positioning groove 17 to display the gear.

It should be understood by those skilled in the art that various technical features of the above-described embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described, however, so long as there is no contradiction between the combinations of the technical features, they should be considered as being within the scope of the present description.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a multichannel formula rotary switch, its characterized in that, including shell (1), spacer (2), axle center (3), brush (4), hardware (5) and body (6), the top surface of body (6) has recess (7), hardware (5) integrative injection moulding in body (6), and a plurality of hardware (5) are in it has a plurality of fixed contact to distribute along the circumferencial direction in recess (7) apart from, hardware (5) extend outward in body (6) have a plurality of connection feet (12), the bottom of axle center (3) rotationally inlay in recess (7), brush (4) fixed assembly in the bottom surface of axle center (3), brush (4) have movable contact (14), movable contact (14) are in the drive of axle center (3) switch with different fixed contact contacts contact in order to accomplish the switching of multichannel return circuit, spacer (2) are fixed on axle center (3), spacer (2) have about can elastic movement location piece (18) shell (1) and fixed lug (6) assembly lug (6) set up the body and the interval (17) on the brush (1), the body (6) and the fixed lug (2) set up the installation The positioning lug (18) is driven by the shaft center (3) to switch positions in different positioning grooves (17) so as to realize positioning of different loops.

2. A multiple rotary switch according to claim 1, wherein said recess (7) has a raised boss (8) at the center thereof, and said shaft (3) has a raised shaft at the bottom thereof, said shaft being rotatably inserted in said boss (8).

3. A multiway rotary switch according to claim 2, wherein the inner wall of the groove (7) has a recessed circumferentially extending limiting groove (9) with a limited circumference, the bottom surface of the shaft (3) has a limiting block (10), and the limiting block (10) is embedded in the limiting groove (9) so that the shaft (3) can rotate in the groove (7) with a limited rotation range.

4. A multiple rotary switch according to claim 2, wherein an annular chamber (11) is formed between the sleeve (8) and the inner wall of the recess (7), the brush (4) is fitted into the annular chamber (11), and the fixed contact is located on the bottom surface of the annular chamber (11).

5. A multi-way rotary switch according to claim 1, wherein the brush (4) has a positioning hole (15), and the positioning hole (15) is used for positioning and assembling with a positioning column on the bottom surface of the shaft center (3) so as to realize synchronous transmission of the brush (4) and the shaft center (3).

6. A multi-way rotary switch according to claim 1, wherein said spacer (2) has a protruding edge (21) extending outwardly therefrom, and said core (3) is correspondingly provided with a recess (16), said recess (16) being engaged with said protruding edge (21) to effect the assembly of said spacer (2) on said core (3).

7. A multiple rotary switch according to claim 1, wherein the top surface of the housing (1) has a through hole for passing the top of the shaft (3), and the positioning slot (17) is disposed on the inner edge of the through hole.