CN215183672U - Gear switching structure of rotary switch - Google Patents

Abstract

The utility model discloses a rotary switch's gear switches structure solves that structural design is unreasonable, the gear shifting precision scheduling problem inadequately. The periphery of the rotating shaft is connected with a rotating seat in a linkage manner, the rotating seat comprises an outer toothed ring and a plurality of pressing edges, the outer toothed ring comprises a plurality of staggered teeth and tooth sockets, an elastic assembly is mounted on the shell, and the elastic assembly is abutted and matched with the outer toothed ring; the shell is internally provided with a plurality of elastic movable contact ends and static contact ends, each movable contact end is provided with a bulge, and the pressing edge rotates along with the rotary seat to abut against the corresponding bulge. The rotating shaft drives the rotating seat to rotate, the elastic component is in contact with the outer gear ring, when a certain gear is reached, the elastic component can elastically abut against one tooth groove of the outer gear ring to realize the positioning switching of the gear, the pressing edge presses the protrusion of the movable contact end, the movable contact end is pressed down to be in contact conduction with the corresponding static contact end, and the switching conduction of the gear is realized; the equipment is convenient, and structural design is more novel, the structure is ingenious, and reasonable in design is effective.

Description

Gear switching structure of rotary switch

Technical Field

The utility model relates to a switch field, in particular to gear switching structure of rotary switch.

Background

The rotary switch realizes the switching between each gear through rotatory pivot, among rotary switch's gear switching structure among the prior art to china utility model patent: rotary switch, patent No.: CN201520086580.0 is the example, and it is through installing the movable contact spring that follows the pivot pivoted in the pivot, arranges a plurality of static contact springs of each gear around the pivot, and the movable contact spring is connected with each static contact spring contact of correspondence in rotatory process in order to realize the switching connection of gear, in order to fix a position to reach each gear, installs the elastic component in the pivot and cooperates with shell inner wall recess to realize the location switching of gear. However, although the structure design is not complex, time and labor are wasted in assembly, the assembly process is various, unreasonable places exist in design, and the gear switching logic function is single; in addition, in the use process, the gear switching structure of the rotary switch is easy to have faults of shell clamping, idle running and the like, so that the command sound is not clear and the positioning is not accurate during gear shifting. A single elastic piece inside is easy to be fatigue and soft, and the phenomena of inaccurate gear switching, poor hand feeling and the like can be caused after the elastic piece is used for a long time.

Disclosure of Invention

The utility model aims at: in order to overcome prior art's defect, the utility model provides a rotary switch's gear switches structure solves that structural design is unreasonable, the gear shifting precision scheduling problem inadequately.

The technical scheme of the utility model: the rotary shaft is movably arranged on the shell in a penetrating mode, a rotary seat is connected to the periphery of the rotary shaft in a linkage mode, the rotary seat comprises an outer toothed ring and a plurality of pressing edges, the outer toothed ring comprises a plurality of teeth and tooth grooves which are arranged in a staggered mode, an elastic assembly is mounted on the shell, and the elastic assembly is matched with the outer toothed ring in a supporting mode; the shell is internally provided with a plurality of elastic movable contact ends and static contact ends, each movable contact end is provided with a bulge, and the pressing edge rotates along with the rotary seat to abut against the corresponding bulge so as to drive the corresponding movable contact end to be in contact conduction with the static contact end.

By adopting the technical scheme, the rotating shaft drives the rotating seat to rotate, the elastic component is contacted with the outer gear ring, when a certain gear is reached, the elastic component can elastically abut against one tooth groove of the outer gear ring, so that the positioning switching of the gear is realized, meanwhile, when the certain gear is reached, the pressing edge presses the protrusion of the movable contact end, the movable contact end is pressed down to be contacted and conducted with the corresponding static contact end, and the switching and conduction of the gear are realized; the roating seat has gathered the function that suitable gear location switched over and switch on, and the equipment is convenient, and structural design is more novel, the structure is ingenious, and reasonable in design is effective.

The utility model discloses a further setting: the shell comprises a hollow shell and two bases, wherein the bases are respectively arranged on the upper side and the lower side of the hollow shell; the elastic components are provided with two groups, and the elastic components of each group are respectively arranged in the corresponding bases.

By adopting the further arrangement, the two groups of elastic components are in abutting fit with the outer gear ring, so that the phenomena of virtual positions, shell clamping, idling and the like can be avoided, the instruction is clear during gear shifting, the positioning is accurate, the adjusting precision is improved, the hand feeling is increased, and the service life is prolonged.

The utility model discloses a further setting again: the outer gear ring is positioned in the middle of the rotating seat in the axial direction, and the pressing edges are respectively arranged on two sides of the outer gear ring; the movable contact ends and the static contact ends are respectively provided with two groups and are respectively arranged in the corresponding base, each group of movable contact ends comprises two elastic sheets, the protrusions are positioned on one corresponding elastic sheet, and the two protrusions in the same group are respectively positioned on two sides of the outer gear ring.

By adopting the above further arrangement, the structure design is compact, the layout is symmetrical and reasonable, and when the gear is shifted, each pressing edge can press the corresponding bulge, so that the corresponding conduction and separation of the movable contact end and the static contact end are realized.

The utility model discloses a still further set up: the elastic component comprises a spring and a steel ball, one end of the spring is pressed against the base, the other end of the spring is pressed against the steel ball, and the steel ball is matched with the outer gear ring and is pressed against the tooth socket to position gears.

By adopting the further arrangement, the spring can store reliable and stable elastic force to support the steel ball, and the steel ball reaches the tooth socket in a rolling mode on the outer gear ring to position the gear, so that the rotating seat is prevented from being clamped in the rotating process.

The utility model discloses a still further set up: the outer periphery of the outer toothed ring is in a plum blossom shape, and the number of the tooth sockets is multiple of 4.

By adopting the above further arrangement, the gear can be designed into different gear-shifting angles of 90 degrees, 45 degrees, 30 degrees, 22.5 degrees and the like by adjusting the plum blossom-shaped outer gear ring, different logic functions can be realized for gear functions with different requirements, and the application range is wide.

The utility model discloses a still further set up: the pressing edges are arc-shaped, and the protrusions are in the shape of edges and corners.

By adopting the further arrangement, the pressing effect of the pressing ridge pressing protrusion is more stable and consistent, and the movable contact end and the corresponding static contact end are more stably contacted.

Drawings

FIG. 1 is a schematic view of the external structure of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

fig. 4 is a schematic structural view of the hidden housing of the present invention;

wherein, 1, a rotating shaft; 2. a housing; 3. a rotating base; 31. an outer ring gear; 32. pressing the edge; 311. teeth; 312. a tooth socket; 4. an elastic component; 5. a movable contact end; 6. a stationary contact end; 51. a protrusion; 21. a hollow housing; 22. a base; 52. a spring plate; 41. a spring; 42. and (5) steel balls.

Detailed Description

As shown in fig. 1-4, a gear switching structure of rotary switch, including pivot 1 and shell 2, pivot 1 activity is worn to establish on shell 2, the periphery of pivot 1 is connected with roating seat 3, roating seat 3 is inside to be provided with pivot 1 linkage complex shaft hole, roating seat 3 presses arris 32 including outer ring gear 31 and a plurality of, outer ring gear 31 is including tooth 311 and the tooth's socket 312 of a plurality of staggered arrangement, tooth 311 is the bulge form, tooth's socket 312 is the sunken form. The shell 2 is provided with an elastic component 4, and the elastic component 4 is elastically contacted with the outer gear ring 31 to form abutting fit. The shell 2 is also provided with a plurality of elastic movable contact ends 5 and static contact ends 6, each movable contact end 5 is provided with a bulge 51 matched with the pressing edge 32, and the pressing edge 32 rotates along with the rotary seat 3 and is pressed against the corresponding bulge 51. When the rotating shaft 1 drives the rotating seat 3 to rotate and shift gears, the elastic component 4 is always contacted with the outer toothed ring 31, so that the elastic component 4 is elastically abutted against the teeth 311 and the toothed grooves 312, if a certain gear is reached, the elastic component 4 can be elastically abutted against one of the toothed grooves 312 corresponding to the outer toothed ring 31, the gears can be positioned and switched, meanwhile, when the gear is reached, the corresponding pressing edge 32 can press the protrusion 51 of the movable contact end 5, the movable contact end 5 is pressed downwards, the movable contact end 5 originally separated from the fixed contact end 6 is moved to be contacted with the corresponding fixed contact end 6, and the movable contact end 5 is conducted with the fixed contact end 6 to realize switching and conduction of the gears.

The housing 2 comprises a hollow shell 21 and two bases 22, wherein the bases 22 are respectively arranged at the upper and lower openings of the hollow shell 21; the elastic components 4 have two sets of upper and lower sides, the elastic components 4 of each set are respectively installed in the corresponding bases 22, and the two sets of elastic components 4 are both in abutting fit with the outer toothed ring 31 and are synchronously clamped, i.e. the two sets of elastic components 4 simultaneously abut against the corresponding teeth 311 or tooth grooves 312. The two groups of elastic groups enable gear shifting to have better hand feeling and better gear positioning effect.

The outer ring gear 31 is located in the middle of the rotary base 3 in the axial direction, and the pressing ribs 32 are respectively provided on both sides of the outer ring gear 31, so that both sides of the outer ring gear 31 are uniformly stressed. The movable contact ends 5 and the static contact ends 6 are respectively provided with two groups and are respectively arranged in the corresponding base 22, each group of movable contact ends 5 comprises two elastic sheets 52, the protrusions 51 are positioned on one corresponding elastic sheet 52 and are integrally formed with the elastic sheet 52, the two protrusions 51 of the same group are respectively positioned on two sides of the outer toothed ring 31, the end parts of the elastic sheets 52 are used for contacting or separating with the static contact ends 6, and the number of the static contact ends 6 of each group is two. When the rotary seat 3 adjusts the gear, the end of the spring piece 52 is in contact with the corresponding stationary contact end 6 by the protrusion 51 pressed by the pressing rib 32. In order to adapt to different logic functions, the number of the pressing protrusions 51 of the pressing ribs 32 can be more than one, that is, a plurality of spring pieces 52 and corresponding static contact terminals 6 can be simultaneously conducted, so that the position change of several pressing ribs 32 can bring different logic functions.

The elastic component 4 comprises a spring 41 and a steel ball 42, the spring 41 is always in a compressed state, one end of the spring is pressed against the base 22, the other end of the spring is pressed against the steel ball 42, and the steel ball 42 is matched with the outer gear ring 31. When the rotating base 3 rotates, the steel ball 42 rolls on the tooth 311 and the tooth socket 312, and when the rotating base reaches a certain gear, the steel ball 42 is abutted against the corresponding tooth socket 312.

The outer periphery of the outer toothed ring 31 is in a plum blossom shape, and the number of the tooth grooves 312 is 4 times that of the tooth grooves, such as 4, 8, 12 and 16, and so on. Taking 8 as an example, the central angle between adjacent tooth slots 312 is 45 °, and the minimum angle of rotational shift is 45 °. Therefore, different types of rotary switches can be designed according to different gear shifting angles, multiple logic functions are achieved, and the application range is expanded.

The pressing rib 32 is arc-shaped, mainly the contact surface between the pressing rib 32 and the protrusion 51 is arc-shaped, and the protrusion 51 is angular. While the pressing edge 32 presses the protrusion 51, the movable contact terminal 5 is in contact with the corresponding stationary contact terminal 6 to maintain stable connection.

Claims (6)

1. The utility model provides a rotary switch's gear switches structure, including pivot and shell, the pivot activity is worn to establish on the shell, its characterized in that: the periphery of the rotating shaft is connected with a rotating seat in a linkage manner, the rotating seat comprises an outer toothed ring and a plurality of pressing edges, the outer toothed ring comprises a plurality of teeth and tooth grooves which are arranged in a staggered manner, an elastic component is mounted on the shell, and the elastic component is in abutting fit with the outer toothed ring; the shell is internally provided with a plurality of elastic movable contact ends and static contact ends, each movable contact end is provided with a bulge, and the pressing edge rotates along with the rotary seat to abut against the corresponding bulge so as to drive the corresponding movable contact end to be in contact conduction with the static contact end.

2. The shift position switching structure of a rotary switch according to claim 1, characterized in that: the shell comprises a hollow shell and two bases, and the bases are respectively arranged on the upper side and the lower side of the hollow shell; the elastic components are provided with two groups, and the elastic components of each group are respectively arranged in the corresponding bases.

3. The shift position switching structure of a rotary switch according to claim 2, characterized in that: the outer gear ring is positioned in the middle of the rotating seat in the axial direction, and the pressing edges are respectively arranged on two sides of the outer gear ring; the movable contact ends and the static contact ends are respectively provided with two groups and are respectively arranged in the corresponding base, each group of movable contact ends comprises two elastic sheets, the protrusions are positioned on one corresponding elastic sheet, and the two protrusions in the same group are respectively positioned on two sides of the outer gear ring.

4. The shift position switching structure of a rotary switch according to claim 3, characterized in that: the elastic component comprises a spring and a steel ball, one end of the spring is pressed against the base, the other end of the spring is pressed against the steel ball, the steel ball is matched with the outer toothed ring, and the steel ball is pressed against the tooth socket to position gears.

5. The shift position switching structure of a rotary switch according to claim 1 or 2, characterized in that: the periphery of outer ring gear is plum blossom shape, the quantity of tooth's socket is 4 multiples.

6. The shift position switching structure of a rotary switch according to claim 1 or 2, characterized in that: the pressing edges are arc-shaped, and the protrusions are in the shape of edges and corners.

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