CN219350061U - Novel rotary switch - Google Patents

Abstract

The utility model belongs to the technical field of switches, and discloses a novel rotary switch which comprises an upper cover, steel balls, springs, a rotating shaft, a base, a static contact piece and a movable elastic piece, wherein the upper cover is arranged on the base; the rotating shaft is rotationally connected with the base, the static contact pieces are fixed on one side of the base at certain intervals, the movable elastic pieces are fixed on the other side of the base at certain intervals, and in a transverse relation, the movable elastic pieces are arranged on the outer sides of the static contact pieces, and the movable elastic pieces and the static contact pieces are separated and contacted under the rotation action of the rotating shaft; the upper cover is connected with the base and then penetrated by the rotating shaft; the middle part of the movable elastic sheet is outwards protruded and forms a hillside track; a plurality of arc-shaped spacing blocks are arranged at the bottom of the circumference of the rotating shaft, corner spaces are formed between the spacing blocks, spring holes are formed in the upper surfaces of the spacing blocks, springs are positioned in the spring holes, and steel balls are connected with the top ends of the springs; the upper surface is provided with protruding blocks which are distributed in an annular mode and are at certain angles at intervals on one surface facing the base, and each protruding block is provided with a bottom surface and two inclined surfaces which start from the bottom surface and are close to each other.

Description

Novel rotary switch

Technical Field

The utility model belongs to the technical field of switches, and particularly relates to a novel rotary switch.

Background

Rotary switches are of two general types, the first: the contact point of the switch is provided with a silver contact point when the switch is conducted, and the product has larger size and complex structure and cannot be applied to small and fine electrical products. Second kind: the contact point of the switch in the on state has no silver contact point, and the structure is not suitable for assembling silver contact points by means of 'touch-separation' switching 'on-off' between a static touch conducting claw arranged on a knob rotating shaft sleeve and a Z-shaped or V-shaped touch elastic sheet, and the switching 'on-off' is easy to generate electric arcs, so that the switch is only suitable for low-power electrical equipment with lower load.

Thus, a novel rotary switch is provided which is small in size but capable of bearing a large load.

Disclosure of Invention

In view of the above-mentioned problems with the background art, the present utility model has as its object: aims at providing a novel rotary switch.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a novel rotary switch comprises an upper cover, steel balls, a spring, a rotating shaft, a base, a static contact piece and a movable elastic piece;

the rotating shaft is rotationally connected with the base, the static contact pieces are fixed on one side of the base at certain intervals, the movable elastic pieces are fixed on the other side of the base at certain intervals, and in a transverse relation, the movable elastic pieces are arranged on the outer sides of the static contact pieces, and the movable elastic pieces and the static contact pieces are separated and contacted under the rotation action of the rotating shaft;

the upper cover is connected with the base and then penetrated by the rotating shaft;

the middle part of the movable elastic sheet protrudes outwards and forms a hillside track;

a plurality of arc-shaped spacing blocks are arranged at the bottom of the circumference of the rotating shaft, corner spaces exist between the spacing blocks, spring holes are formed in the upper surfaces of the spacing blocks, the springs are positioned in the spring holes, and the steel balls are connected with the top ends of the springs;

the upper cover is provided with annular protruding blocks which are distributed at intervals and have a certain angle on one surface facing the base, and each protruding block is provided with a bottom surface and two inclined surfaces which start from the bottom surface and are close to each other.

Further limited, upper cover and base lock are connected, and such structural design realizes the quick connect and dismantlement between upper cover and the base through the mode of lock.

Further limited, the bottom surface of base forms the holding ring through the epirelief, the bottom of rotation axis is equipped with the locating hole of adaptation holding ring, and such structural design, the locating hole of rotation axis inserts in the holding ring of base, realizes the rotation axis rotation connection when realizing the rotation axis location.

Further limited, there is relative corner space on the rotation axis, such structural design, when there is relative corner space, the relative evagination just can block into the corner space simultaneously on the movable elastic piece this moment, and two movable elastic pieces can not receive the extrusion of spacer block and skew this moment, and movable elastic piece and static contact switch on.

Further limited, the cross section shape of the convex block is any one of an isosceles triangle and an isosceles trapezoid, and due to the structural design, the isosceles triangle and the isosceles trapezoid are provided with inclined planes, and when the steel balls are clamped between the two convex blocks, the inclined planes can be well adapted to the shape of the steel balls.

The utility model has the beneficial effects that: the whole structure is exquisite and small, can bear a large load, and can realize the step adjustment of the switch through the cooperation of the lug with the inclined plane, the steel ball and the spring.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is an exploded view of one embodiment of a novel rotary switch of the present utility model;

FIG. 2 is a schematic view of a novel rotary switch embodiment of the present utility model with the upper cover removed;

FIG. 3 is an exploded view of a steel ball, spring and rotating shaft in an embodiment of a novel rotary switch of the present utility model;

FIG. 4 is a schematic view of the structure of the upper cover in the embodiment of the novel rotary switch of the present utility model;

FIG. 5 is a schematic view of a structure of a rotary shaft in a novel rotary switch embodiment of the present utility model;

FIG. 6 is a schematic view of a base structure of a novel rotary switch according to an embodiment of the present utility model;

the main reference numerals are as follows:

1. an upper cover; 11. a bump;

2. steel balls;

3. a spring;

4. a rotation shaft; 41. a spacer block; 411. a spring hole; 42. a corner space;

5. a base; 51. a positioning ring;

6. a stationary contact;

7. and the movable spring plate.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1-6, the novel rotary switch comprises an upper cover 1, steel balls 2, a spring 3, a rotating shaft 4, a base 5, a static contact piece 6 and a movable spring piece 7;

the rotating shaft 4 is rotationally connected with the base 5, the static contact piece 6 is fixed on one side of the base 5 at a certain distance, the movable elastic piece 7 is fixed on the other side of the base 5 at a certain distance, and in a transverse relation, the movable elastic piece 7 is arranged on the outer side of the static contact piece 6, and the movable elastic piece 7 and the static contact piece 6 are separated and contacted under the rotation action of the rotating shaft 4;

the upper cover 1 is connected with the base 5 and then penetrated by the rotating shaft 4;

the middle part of the movable spring plate 7 protrudes outwards and forms a hillside track;

a plurality of arc-shaped spacing blocks 41 are arranged at the bottom of the circumference of the rotating shaft 4, corner spaces 42 are arranged between the spacing blocks 41, spring holes 411 are formed in the upper surface of the spacing blocks 41, springs 3 are positioned in the spring holes 411, and steel balls 2 are connected with the top ends of the springs 3;

the upper cover 1 is provided with annularly distributed lugs 11 at intervals of a certain angle on one surface facing the base 5, and the lugs 11 are provided with a bottom surface and two inclined surfaces which start from the bottom surface and are close to each other.

In this embodiment, the upper cover 1 and the base 5 are combined to form a housing for accommodating the steel ball 2, the spring 3, the rotating shaft 4, the static contact piece 6 and the moving spring piece 7, and the upper cover 1 and the base 5 together determine the external dimensions of the utility model, and the other structures are integrated in the upper cover 1 and the base 5, so that the whole structure is exquisite and small;

the rotating shaft 4 is rotatably connected with the base 5 and penetrates through the upper cover 1 to outwards extend out, the extending-out part is convenient for a worker to rotate the rotating shaft 4, and the change of the switch state is realized by rotating to different gears;

the movable elastic sheet 7 is conducted when contacting the static contact sheet 6, and is cut off when the movable elastic sheet 7 is separated from the static contact sheet 6, so that the most basic switching function is realized, the matching of the movable elastic sheet 7 and the static contact sheet 6 can bear a large load, the opening and closing relationship between the movable elastic sheet 7 and the static contact sheet 6 is determined by the rotating shaft 4, a plurality of arc-shaped spacing blocks 41 are arranged at the bottom of the circumference of the rotating shaft 4, corner spaces 42 are arranged between the spacing blocks 41, when the outer protrusions in the middle parts of the two movable elastic sheets 7 enter the corner spaces 42, the spacing blocks 41 do not cause extrusion action on the movable elastic sheet 7, therefore, the movable elastic sheet 7 is not separated from the static contact sheet 6, and a finished loop cannot be formed between the movable elastic sheet 7 and the static contact sheet 6 when the movable elastic sheet 7 on any side is extruded by the spacing blocks 41;

in the aspect of rotation angle control of the rotating shaft 4, a spring hole 411 is formed in the upper surface of the spacing block 41, the spring 3 is positioned in the spring hole 411, the steel balls 2 are connected with the top end of the spring 3, one surface of the upper cover 1 facing the base 5 is provided with annularly distributed lugs 11 with a certain angle at intervals, as a certain angle distance is circumferentially arranged between the lugs 11, when the rotating shaft 4 rotates and drives the steel balls 2 and the spring 3 to synchronously move, the steel balls 2 can be clamped into the concave grooves between the two lugs 11 under the action of the spring 3, the concave grooves consist of inclined surfaces, and when the rotating shaft 4 continuously rotates, the steel balls 2 can pass through one lug 11 to enter the next concave groove, so that the concave groove between each lug 11 determines the stop position of the rotating shaft 4, and the stepped adjustment of the angle is realized;

when the rotating shaft 4 stops twisting, the spring 3 jacks up the steel balls 2 upwards, so that the steel balls 2 are clamped into the concave parts between the convex blocks 11, the position of the rotating shaft 4 is maintained to be fixed by the limit of the inclined plane, and the steel balls 2 overcome the elasticity of the spring 3 only under the action of external force, so that the position is changed.

Preferably, the upper cover 1 is buckled and connected with the base 5, and the quick connection and disassembly between the upper cover 1 and the base 5 are realized through a buckling mode by adopting the structural design. In practice, other connection structures between the upper cover 1 and the base 5 may be specifically considered according to the specific circumstances.

Preferably, the bottom surface of the base 5 forms a positioning ring 51 through an upward convex shape, and the bottom end of the rotating shaft 4 is provided with a positioning hole adapted to the positioning ring 51, so that the positioning hole of the rotating shaft 4 is inserted into the positioning ring 51 of the base 5, and the rotating connection of the rotating shaft 4 is realized while the positioning of the rotating shaft 4 is realized. In practice, other rotation structures between the rotation shaft 4 and the base 5 may be specifically considered according to circumstances.

Preferably, the rotating shaft 4 has opposite corner spaces 42, so that when the opposite corner spaces 42 exist, opposite protrusions on the two movable elastic pieces 7 can be simultaneously clamped into the corner spaces 42, and at the moment, the two movable elastic pieces 7 cannot be extruded by the spacing block 41 to deviate, and the movable elastic pieces 7 are in contact conduction with the static contact pieces 6. In practice, other arrangements of the corner spaces 42 are specifically contemplated as appropriate.

Preferably, the cross section of the bump 11 is any one of an isosceles triangle and an isosceles trapezoid, and due to the structural design, the isosceles triangle and the isosceles trapezoid are provided with inclined planes, and when the steel ball 2 is clamped between the two bumps 11, the inclined planes can be well adapted to the shape of the steel ball 2. In practice, other structural shapes of the bump 11 may be specifically considered according to the specific circumstances.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.

Claims (5)

1. A novel rotary switch, characterized in that: comprises an upper cover (1), a steel ball (2), a spring (3), a rotating shaft (4), a base (5), a static contact piece (6) and a movable spring piece (7);

the rotating shaft (4) is rotationally connected with the base (5), the static contact piece (6) is fixed on one side of the base (5) at a certain distance, the movable contact piece (7) is fixed on the other side of the base (5) at a certain distance, on the transverse relation, the movable contact piece (7) is arranged on the outer side of the static contact piece (6), and the movable contact piece (7) and the static contact piece (6) are separated and contacted under the rotation action of the rotating shaft (4);

the upper cover (1) is connected with the base (5) and then penetrated by the rotating shaft (4);

the middle part of the movable elastic sheet (7) is outwards protruded and forms a hillside track;

a plurality of arc-shaped spacing blocks (41) are arranged at the bottom of the circumference of the rotating shaft (4), corner spaces (42) are formed between the spacing blocks (41), spring holes (411) are formed in the upper surface of the spacing blocks (41), the springs (3) are located in the spring holes (411), and the steel balls (2) are connected with the top ends of the springs (3);

one surface of the upper cover (1) facing the base (5) is provided with annularly-distributed lugs (11) with certain angles at intervals, and the lugs (11) are provided with a bottom surface and two inclined surfaces which start from the bottom surface and are mutually closed.

2. A novel rotary switch as claimed in claim 1, wherein: the upper cover (1) is buckled and connected with the base (5).

3. A novel rotary switch as claimed in claim 2, wherein: the bottom surface of base (5) forms holding ring (51) through epirelief, the bottom of rotation axis (4) is equipped with the locating hole of adaptation holding ring (51).

4. A novel rotary switch according to claim 3, characterized in that: the rotating shaft (4) is provided with opposite corner spaces (42).

5. The novel rotary switch of claim 4, wherein: the cross section of the lug (11) is any one of isosceles triangle and isosceles trapezoid.

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