CN212113542U - Knob assembly - Google Patents

Abstract

The utility model discloses a knob subassembly, including knob and mounting panel, the knob cooperation is provided with the arch at the knob lateral wall in the mounting hole of mounting panel, is provided with the concave part of arranging in succession at the mounting hole inner wall, can make the arch imbed in the corresponding concave part according to the order of sequence through rotating the knob. When an operator rotates the adjusting knob to change gears, the protrusion of the side wall of the knob can be withdrawn from the previous concave part of the side wall in the mounting hole, and when the knob enters the concave part corresponding to the next gear, obvious gear feeling can be generated in the using process.

Description

Knob assembly

Technical Field

The utility model relates to a gear switch especially relates to a knob subassembly.

Background

Knob switches have many applications in life, and one of them is to divide a controlled parameter into a plurality of steps and then to change the parameter by sequentially adjusting the steps by rotating a switch controller. When the operator adjusts the gear rotary controller, the controller is required to generate gear sense to judge whether the gear is adjusted in place, and the proper gear sense can bring good use experience to the operator. However, the operator may need to generate a stronger shift feeling of the switch to meet the use requirement in some specific environments, such as an extremely cold environment where the operator wears heavy gloves. And gear of gear switch itself feels and generally is that the inside elastic construction of switch produces, if directly strengthen gear switch's gear and feel itself, also can aggravate the inside wearing and tearing of switch equally, subtract the life of short switch.

SUMMERY OF THE UTILITY MODEL

To the problem that provides in the background art, the utility model aims to provide a strengthen knob subassembly that switch gear felt.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a knob assembly comprises a knob and a mounting plate, wherein the knob is matched in a mounting hole of the mounting plate, protrusions are arranged on the side wall of the knob, concave parts which are continuously arranged are arranged on the inner wall of the mounting hole, and the protrusions can be sequentially embedded into the corresponding concave parts by rotating the knob. When an operator rotates the adjusting knob to change the gear, the protrusion on the side wall of the knob can withdraw from the previous concave part on the side wall in the mounting hole and enter the concave part corresponding to the next gear.

As a preferable aspect of the present invention, a surface of the concave portion is arc-shaped; or: the straight surface, the first inclined surface and the second inclined surface form the surface of the concave part together; or the flat surface, the first convex surface and the second convex surface jointly form the surface of the concave part, and the first convex surface and the second convex surface are convex towards each other.

Further, a convex edge is formed between two adjacent concave parts, and the surface of the convex edge is in a curved, concave or straight structure.

Furthermore, the knob of the knob assembly comprises a rotating block and a rotating plate, the rotating block is fixedly connected with the rotating plate, an installation rod for clamping a half shaft is fixedly arranged in the middle of one side, away from the rotating block, of the rotating plate, clamping rods are symmetrically arranged on two sides of the installation rod, the clamping rods are made of elastic materials, one ends of the clamping rods are fixedly connected with the rotating plate, and protrusions are arranged on one side, away from the installation rod, of the clamping rods; a plurality of concave parts used for being matched with the protrusions are symmetrically arranged on the side wall of the mounting hole, and a convex edge is formed between every two adjacent concave parts.

Preferably, the clamping rod and the rotating plate are integrally formed and are connected through reinforcing ribs.

Preferably, the outer wall of the protrusion and the inner wall of the concave part are both arc-shaped surfaces.

Preferably, the distances from each point of the convex edge surface to the center of the mounting hole are the same.

Preferably, the mounting part for rotatably mounting the mounting rod is fixedly arranged in the middle of the mounting hole.

Preferably, the installed part includes two arcs, arc and mounting panel fixed connection, two formed the shaft hole that is used for rotating the installation pole between the arc.

Compared with the prior art, the beneficial effects of the utility model are that: during normal use, protruding card on the joint pole is established in the concave part on the mounting hole lateral wall, each pair of concave part corresponds a gear of gear switch, when the operator changes the gear at rotatory adjust knob, protruding on the joint pole will withdraw from the concave part of mounting hole inner wall and cross protruding edge, until entering the concave part of next gear, the protruding extrusion can receive certain resistance when deviating from the concave part, and the resistance that receives when passing protruding edge is less, make the knob in the rotation process, the resistance that receives constantly fluctuates, the gear sense mainly is formed through the change of this in-process resistance, and the motion track when rotatory knob is first slow afterwards fast, the gear is stopped suddenly after reaching the place, simultaneously in the moment that the gear targets in place, still there is a sound of "clicking", make the operator also can produce the gear sense on seeing and hearing.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a knob assembly according to the present invention;

fig. 2 is a schematic view of a mounting plate structure of the knob assembly of the present invention;

fig. 3 is a schematic side view of a knob of the knob assembly according to the present invention;

fig. 4 is a schematic view of a knob cross-sectional structure of the knob assembly of the present invention;

FIG. 5 is a schematic view of a recess of the knob assembly of embodiment 1;

FIG. 6 is a schematic view showing a recess of a knob assembly according to embodiment 2;

FIG. 7 is a schematic view of a recess of a knob assembly according to embodiment 3;

FIG. 8 is a schematic view of a convex edge of a knob assembly according to embodiment 1;

FIG. 9 is a schematic view showing a protrusion of a knob assembly according to embodiment 2;

FIG. 10 is a schematic view showing a protrusion of a knob assembly according to embodiment 3;

FIGS. 11 to 16 are schematic views showing a convex edge of the knob assembly according to examples 4 to 9;

in the figure: the mounting plate comprises a mounting plate 1, a mounting hole 2, an arc-shaped plate 3, an axial hole 4, a concave part 5, a convex edge 6, a knob 7, a rotating block 8, a rotating plate 9, a mounting rod 10, a semi-axial groove 11, a clamping rod 12, a protrusion 13 and a reinforcing rib 14.

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. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Examples

Referring to fig. 1-4, a knob assembly includes:

the knob 7 is used for driving a half shaft in an electrical appliance switch to rotate, the knob 7 is rotatably installed on the installation plate 1, the knob 7 comprises a rotating block 8 and a rotating plate 9, the rotating block 8 is fixedly connected with the rotating plate 9, an installation rod 10 is fixedly arranged in the middle of one side, far away from the rotating block 8, of the rotating plate 9, a half shaft groove 11 for clamping the half shaft of the switch is formed in the installation rod 10, clamping rods 12 are symmetrically arranged on two sides of the installation rod 10, each clamping rod 12 is made of elastic materials, one end of each clamping rod is fixedly connected with the rotating plate 9, and a protrusion 13 is arranged on one side, far away from the;

1. the mounting plate 1 is fixedly mounted on the surface of an electric appliance or is a mounting shell of the electric appliance, a mounting hole 2 for mounting a knob 7 is formed in the mounting plate 1, a plurality of concave parts 5 used for being matched with protrusions 13 are symmetrically arranged on the side wall of the mounting hole 2, a convex edge 6 is formed between every two adjacent concave parts 5, and the surface of the convex edge 6 is of a curved, concave or straight structure;

in the embodiment applying the technical scheme, when the knob 7 is installed, one side of the knob 7 is rotatably installed in the installation hole 2, the rotating block 8 faces the outer side of the electric appliance and is convenient for a user to hold and rotate, wherein the clamping rod 12 on the rotating plate 9 is abutted against and contacted with the side wall of the installation hole 2, when the electric appliance is used in a specific normal mode, the protrusion 13 on the clamping rod 12 is clamped in the concave part 5 on the side wall of the installation hole 2, each pair of concave parts 5 corresponds to one gear position of the gear position switch, when an operator rotates and adjusts the knob 7 to change the gear position, the protrusion 13 on the clamping rod 12 can withdraw from the concave part 5 on the inner side wall of the installation hole 2 and cross the convex edge 6 until entering the concave part 5 of the next gear position, the protrusion 13 is extruded to be separated from the concave part 5 and is subjected to a certain resistance, and the resistance passing through the convex edge 6 is small, so that the knob 7 is subjected to continuous fluctuation, and the movement track when the knob 7 is rotated is slow firstly and then fast, the gear is stopped suddenly after being in place, and simultaneously, the gear can be clicked at the moment when the gear is in place, so that an operator can also generate gear feeling in audio and visual sense.

In the optional technical scheme in this embodiment, the mounting piece for rotatably mounting the mounting rod 10 is fixedly arranged in the middle of the mounting hole 2, the mounting rod 10 rotatably penetrates through the mounting piece during mounting, and the mounting of the knob 7 is more stable through the mounting piece; further preferably, the mounting member comprises two arc-shaped plates 3, the arc-shaped plates 3 are fixedly connected with the mounting plate 1, and a shaft hole 4 for rotatably mounting the mounting rod 10 is formed between the two arc-shaped plates 3.

According to the preferred technical scheme in the embodiment, the outer wall of the protrusion 13 and the inner wall of the concave portion 5 are both arc-shaped surfaces, so that the protrusion 13 cannot be subjected to overlarge resistance when being released from the concave portion 5, and the situation that the protrusion 13 is clamped in the concave portion 5 and cannot be released is avoided.

In the preferred technical scheme of this embodiment, the distances from each point on the surface of the protruding edge 6 to the center of the mounting hole 2 are the same, so that the distance from the mounting hole 2 to the mounting rod 10 when the mounting rod 10 sweeps over the protruding edge 6 is not changed, and further, the resistance applied to the mounting rod 10 is stable and does not change, and an operator can more accurately feel the resistance change when the snap rod 12 bounces into the concave portion 5.

In the preferred technical scheme of this embodiment, the clamping rod 12 and the rotating plate 9 are integrally formed, and the clamping rod 12 and the rotating plate 9 are connected through the reinforcing rib 14, so that the clamping rod 12 and the rotating plate 9 are more stably connected, and the possibility of breakage of the clamping rod 12 is reduced.

In embodiment 1, the concave portion 5 has a structure as shown in fig. 5, and the surface thereof has an arc shape; the convex edge adopts the structure shown in fig. 8, the surface of the convex edge 6 is in a straight structure, the surface opposite to the convex edge is in a curved structure, the middle part of the convex edge is slightly convex, and two areas close to the edge parts are slightly concave.

In embodiment 2, the concave part 5 adopts the structure as shown in fig. 6, and the straight surface 52, the first inclined surface 51 and the second inclined surface 53 together form the surface of the concave part 5; the convex edge 6 adopts the structure shown in fig. 9, the surface of the convex edge 6 is concave, the surface opposite to the convex edge is curved, the middle part of the convex edge is slightly concave, and two areas close to the edge parts are slightly convex.

In the embodiment 3, the concave part 5 adopts the structure as shown in fig. 7, the flat surface 52, the convex surface one 54 and the convex surface two 55 jointly form the surface of the concave part 5, and the convex surface one 54 and the convex surface two 55 are convex towards each other; the convex edge adopts the structure shown in fig. 10, the surface of the convex edge 6 is in a convex structure, the surface opposite to the convex edge is in a curved structure, the middle part of the convex edge is slightly concave, and two areas close to the edge parts are slightly convex.

In embodiment 4, the convex edge adopts the structure shown in fig. 11; in embodiment 5, the convex edge adopts the structure shown in fig. 12; in example 6, the convex edge adopts the structure shown in fig. 13; in example 7, the convex edge adopts the structure shown in fig. 14; in example 8, the convex edge adopts the structure shown in fig. 15; in example 9, the convex edge adopts the structure shown in fig. 16.

Claims (9)

1. A knob assembly comprising a knob (7) and a mounting plate (1), characterized in that: the knob (7) is matched in the mounting hole (2) of the mounting plate (1), the side wall of the knob (7) is provided with a bulge (13), the inner wall of the mounting hole (2) is provided with continuously arranged concave parts (5), and the bulges (13) can be sequentially embedded into the corresponding concave parts (5) by rotating the knob (7).

2. The knob assembly according to claim 1, wherein: the surface of the concave part (5) is arc-shaped; or: the straight surface (52), the first inclined surface (51) and the second inclined surface (53) jointly form the surface of the concave part (5); or the flat surface (52), the first convex surface (54) and the second convex surface (55) jointly form the surface of the concave part (5), and the first convex surface (54) and the second convex surface (55) are convex towards each other.

3. The knob assembly according to claim 1 or 2, wherein: a convex edge (6) is formed between two adjacent concave parts (5), and the surface of the convex edge (6) is in a curved, concave or straight structure.

4. The knob assembly according to claim 3, wherein: knob (7) are including turning block (8) and rotor plate (9), turning block (8) and rotor plate (9) fixed connection, rotor plate (9) are kept away from turning block (8) one side middle part and are set firmly installation pole (10) that are used for the joint semi-axis, installation pole (10) bilateral symmetry is equipped with joint pole (12), joint pole (12) are made by elastic material and one end and rotor plate (9) fixed connection, one side that installation pole (10) were kept away from in joint pole (12) sets up arch (13).

5. The knob assembly according to claim 4, wherein: the clamping rod (12) and the rotating plate (9) are integrally formed and are connected through a reinforcing rib (14).

6. The knob assembly according to claim 5, wherein: the outer wall of the protrusion (13) and the inner wall of the concave part (5) are arc-shaped surfaces.

7. The knob assembly according to claim 3, wherein: the distances from each point on the surface of the convex edge (6) to the center of the mounting hole (2) are the same.

8. The knob assembly according to claim 6, wherein: and the middle part of the mounting hole (2) is fixedly provided with a mounting piece for rotatably mounting the mounting rod (10).

9. The knob assembly according to claim 8, wherein: the installed part includes two arcs (3), arc (3) and mounting panel (1) fixed connection, two have formed shaft hole (4) that are used for rotating installation pole (10) between arc (3).

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