CN2879389Y

CN2879389Y - Rotary knob structure

Info

Publication number: CN2879389Y
Application number: CN 200620018061
Authority: CN
Inventors: 王庆祥
Original assignee: YOUKE HOLDING CO Ltd
Current assignee: YOUKE HOLDING CO Ltd
Priority date: 2006-03-29
Filing date: 2006-03-29
Publication date: 2007-03-14
Anticipated expiration: 2016-03-29

Abstract

The utility model provides a rotary knob structure in which a block is provided on a flange in a storage chamber of a panel, a projecting block is provided at a bottom edge of the rotary knob body, a metal sleeve ring invaginats a projecting column of the rotary knob body, the metal sleeve ring envelops outside of the projecting column of the rotary knob body to increase intensity of the entire projecting column and prevent cracks of the projecting column due to too big torsion, thereby increasing a life time of the rotary knob body, and when the rotary knob body is rotated in a limit, the projecting block is stopped by the block so that can not continue the rotation, the rotating range of the rotary knob body is limited and positioned, hence, inner components of the panel would not be damaged due to a limitless rotation.

Description

The knob structure

Technical field

The utility model relates to a kind of knob structure, and particularly a kind of projection of knob body that prevents produces explosion, and can be positioned the knob structure in the rotating range.

Background technology

Generally be used for the knob on the electrical appliance, see also shown in Figure 1, be to be provided with a panel 1, be provided with room 10 in panel 1, be provided with flange 11 in the described room 10, convex with a rotating shaft 12 in the centre of room 10, laterally be provided with a positioning rod 13 in the described rotating shaft 12, one knob body 2 is to be located in the room 10 of panel 1, described knob body 2 convexes with a projection 20, be provided with in the described projection 20 spliced eye 21 for rotating shafts 12 and backstay 13 plug into, so, knob body 2 can be mounted on the panel 10, yet, described knob body 2 all is made by plastic material, normal excessive or rotate the excessive projection 20 that makes knob body 2 and produce explosions and damage because of user's rotary knob body 2 application of forces, knob body 2 can't be re-used, so lack the useful life of knob, and the rotating range of knob body 2 can't be located, and often damages because of rotating the excessive internal works of panel 1 that causes; Therefore, the inventor is to concentrate on studies, improve because existing knob has as above-mentioned disappearance, is initiated out the utility model then.

Summary of the invention

The purpose of this utility model is to provide a kind of projection of knob body that prevents to produce explosion, and can be positioned in the rotating range, increases the knob structure in useful life.

To achieve these goals, the utility model provides a kind of knob structure, is provided with panel, and described panel is provided with room, is provided with flange in the described room, convexes with rotating shaft in the centre of room, laterally is provided with backstay in the described rotating shaft; The knob body is to be located in the room of panel, and described knob body convexes with projection, is provided with spliced eye in the described projection, for the rotating shaft of panel and backstay plug into; It is characterized in that: the flange in the room of panel is provided with block, is provided with projection in the root edge of knob body, is arranged with the metal collar on the projection of knob body.

The metal collar is to establish and the projection similar shape.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing structure;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is the cutaway view of the utility model rotating shaft part;

Fig. 4 is a combined planar schematic diagram of the present utility model;

Fig. 5 is the schematic diagram that the utility model knob body rotates.

Description of reference numerals: 1 panel; 10 rooms; 11 flanges; 12 rotating shafts; 13 backstays; 2 knob bodies; 20 projections; 21 spliced eyes; 3 panels; 30 rooms; 31 flanges; 32 blocks; 33 rotating shafts; 34 backstays; 4 knob bodies; 40 projections; 41 spliced eyes; 42 projections; The 5 metal collars.

Embodiment

About the utility model is to reach above-mentioned application target and effect, the technological means that is adopted is enumerated preferable feasible embodiment, and cooperate graphic shown in, details are as follows.

At first, see also shown in Figure 2ly, the utility model is provided with a panel 3, described panel 3 is provided with room 30, is provided with a flange 31 in the described room 30, is provided with a block 32 in flange 31, convex with a rotating shaft 33 in the centre of room 30, laterally be provided with a positioning rod 34 in the described rotating shaft 33; One knob body 4, be to be located in the room 30 of panel 3, described knob body 4 is made by plastic material, described knob body 4 convexes with a projection 40, be provided with a spliced eye 41 in the described projection 40, for the rotating shaft 33 of panel 3 and backstay 34 plug into, be provided with a projection 42 in the root edge of knob body 4; The one metal collar 5 is to be sheathed on the projection 40 of knob body 4, and the described metal collar 5 is to establish and projection 40 similar shapes.

During assembling, see also Fig. 2～shown in Figure 4, earlier the metal collar 5 is sheathed on the projection 40 of knob body 4, again knob body 4 is mounted in the room 30 of panel 3, rotating shaft 33 and backstay 34 are plugged in the spliced eye 41 of knob body 4 projections 40, the projection 42 of knob body 4 then is positioned on the flange 31 of room 30, so, knob body 4 can be mounted on the panel 3.

During use, see also Fig. 4, shown in Figure 5, when rotary knob body 4, be subjected to the coating of the metal collar 5 because of projection 40 outsides of knob body 4, can increase projection 40 integral intensity, can prevent that projection 40 from producing explosion because of torsion is excessive, so can increase the useful life of knob body 4, and when the projection 42 of knob body 4 rotates to before the block 32 in the room 30, the block of block 32 can be subjected to and rotation must not be continued again, the rotating range of knob body 4 can be limited and located, can not damage because of unrestrictedly rotating excessive panel 3 internal works that cause.

Claims

1. a knob structure is provided with panel, and described panel is provided with room, is provided with flange in the described room, convexes with rotating shaft in the centre of room, laterally is provided with backstay in the described rotating shaft; The knob body is to be located in the room of panel, and described knob body convexes with projection, is provided with spliced eye in the described projection, for the rotating shaft of panel and backstay plug into;

It is characterized in that: the flange in the room of panel is provided with block, is provided with projection in the root edge of knob body, is arranged with the metal collar on the projection of knob body.

2. knob structure as claimed in claim 1 is characterized in that: the metal collar is to establish and the projection similar shape.