CN205828233U - It is applicable to the prompt tone recurring structure of rotating switch - Google Patents

Abstract

This utility model relates to rotating switch field, disclose a kind of prompt tone recurring structure being applicable to rotating switch, including reed (1), rotating disk (2) and axle sleeve (3), reed (1) includes limited section (101), changeover portion (102) and against section (103), rotating disk (2) is provided with tooth (202), axle sleeve (3) is provided with reed position limiting structure, limited section (101) of reed (1) are positioned at the reed position limiting structure of axle sleeve (3) and can move at reed position limiting structure, when rotating disk (2) rotates, described in described tooth (202) extruding against section (103).This utility model is owing to have employed above technical scheme, it also is able to send prompt tone under fluted disc low speed rotates slowly, reduce the deformation occurred against section itself when streaking the flank of tooth against section simultaneously, this substantially prolongs reed and the service life of whole rotating switch.

Description

It is applicable to the prompt tone recurring structure of rotating switch

Technical field

This utility model relates to rotating switch field, has particularly related to the prompt tone recurring structure of a kind of rotating switch.

Background technology

Various rotating switches in daily life, need to send prompt tone after rotation, to inform that user has been rotated to position. Rotating switch prompt tone of the prior art uses spring rotor structure, rotates every time, and pearl outwards ejects and once collides Rear generation sound.But the volume that spring bead structure takies rotating switch is bigger.Current various household electrical appliance increasingly towards Miniaturization, spring pearl vocal structure can not meet product demand.

Currently also having rotating switch to use reed sounding, this reed just can only send clear and melodious when rotating speed is higher Prompt tone, even can not send sound when low speed, slowly rotation.Rotating switch of the prior art commonly used riveting technique Make reed be fixed on axle sleeve, or between the reed of this structure and axle sleeve upper limit position block, only have technique fit clearance, and This fit clearance is for for installation reed.This technique fit clearance is typically small, is not that indwelling occurs to turn for reed Move or the gap of displacement.Switching in rotation process, reed is when streaking the flank of tooth, and reed can not rotate along with fluted disc, and only Can deform upon, particularly reed and the apex angle α in the top corner portion contacted i.e. Figure 16 of fluted disc, this apex angle α is slipping over the flank of tooth Time deform, its deformation can not may recover beyond its elastically-deformable category, affects its sounding, and long-term the most in this case Work, in some instances it may even be possible to the phenomenon cracking at apex angle α, even rupturing can be caused, finally affect its service life.

Summary of the invention

This utility model is for rotating the shortcoming that volume of switch is bigger in prior art, it is provided that a kind of novel prompt tone Recurring structure.

In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:

Being applicable to the prompt tone recurring structure of rotating switch, including reed, rotating disk and axle sleeve, reed includes limited section, mistake The section of crossing and against section, rotating disk is provided with tooth, and axle sleeve is provided with reed position limiting structure, and limited section of reed is positioned at the reed limit of axle sleeve In bit architecture and can move in reed position limiting structure, when rotating disk rotates, described tooth extrude described in against section.

Preferably, described reed position limiting structure includes that at least 2 limited blocks, described limited block are positioned at the limited of reed Section is peripheral, and the changeover portion of reed passes between limited block, and the spacing of adjacent limited block is more than the width of described changeover portion. Should arrange limited block reed changeover portion move time, limited block does not hinder the motion of changeover portion on reed.

Preferably, being provided with drift angle against section, on rotating disk, the flank of tooth of tooth is in wave shape, and described drift angle is resisted against the flank of tooth of tooth On.

Preferably, being additionally provided with projection in reed position limiting structure, limited section is resisted against in projection.

Preferably, described rotating disk being fixed with hollow rotating shaft, rotating disk is formed in one with hollow rotating shaft.

This utility model, owing to have employed above technical scheme, also is able to send prompting under fluted disc low speed rotates slowly Sound, simultaneously because there are enough free gaps between reed and limited block, when streaking the flank of tooth against section, reed not only can occur Rotate limited section on the simultaneously reed elastic deformation that abundance also can occur, thus reduce against section streak the flank of tooth time against section The deformation itself occurred, it is to recover that this trickle shape becomes elastic deformation, this substantially prolongs reed and whole rotating switch Service life.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of reed in embodiment 1.

Fig. 2 is the schematic diagram of embodiment 1 turntable.

Fig. 3 is the schematic diagram of embodiment 1 bottom bracket axle.

Fig. 4 is the upward view of Fig. 3.

Fig. 5 is reed scheme of installation on axle sleeve.

Fig. 6 is the partial schematic diagram in Fig. 5 at I

Fig. 7 is the upward view of Fig. 5.

Fig. 8 is the working state schematic representation of embodiment 1.

Fig. 9 is the view after embodiment 1 turntable rotates.

The position view of reed when Figure 10 is Fig. 9 state.

Figure 11 is the partial schematic diagram in Figure 10 at II.

Figure 12 is the another view after embodiment 1 turntable rotates.

Figure 13 is also the view after embodiment 1 turntable rotates

The position view of reed when Figure 14 is Figure 13 state.

Figure 15 is the partial schematic diagram in Figure 14 at III.

Figure 16 is also the schematic diagram of reed in embodiment 1.

Figure 17 is the schematic diagram of embodiment 2.

Figure 18 is the schematic diagram of embodiment 3.

Figure 19 is the schematic diagram of embodiment 4.

The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 reed, 101 limited sections, 102 changeover portions, 103 against section, 2 rotating disks, 201 hollow rotating shafts, 202 teeth, 3 axle sleeves, 301 limited blocks, 302 protruding, 303 Clasp.

Detailed description of the invention

With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment 1

A kind of prompt tone recurring structure being applicable to rotating switch, as shown in Figure 8, including reed 1, rotating disk 2 and axle sleeve 3.

Rotating disk 2 structure is as in figure 2 it is shown, rotating disk 2 is provided with tooth 202, hollow rotating shaft 201, and rotating disk 2 with hollow rotating shaft 201 is One-body molded.

Axle sleeve 3 structure as shown in Figures 3 to 5, which is provided with reed position limiting structure and clasp 303, wherein clasp 303 snapping Being fixed with axle sleeve 3 by base on the base of rotating switch, base is not drawn in the present embodiment.Reed limit in the present embodiment Bit architecture is preferably limited block 301, and limited block 301 quantity is 4, by 4 corners of be located substantially at reed 1 limited section 101.

Reed 1 structure is as shown in Fig. 1, Figure 16, including limited section 101, changeover portion 102 and against section 103, changeover portion 102, Forming angle β between section 103 is 150 degree, whole against section formation apex angle α in the present embodiment, it is preferred that apex angle α is 160 Degree.Reed 1 preferably employs rustless steel punching press and makes.On rotating disk 2, the flank of tooth of tooth 202 is in wave shape, and described apex angle α is resisted against tooth On the flank of tooth of 202.When rotating disk 2 rotates, described in the extruding of the flank of tooth of described tooth 202 against section 103.

In the present embodiment, the lamellar that the shape of limited section 101 is generally rectangular shaped, but the shape of limited section 101 should When the shape being confined in the present embodiment, the shape of limited section 101 can also be circle, rhombus, ellipse or other shape, As long as limited section 101 can slightly be moved in the region that limited block 301 substantially surrounds and rotate, it is possible to realize class the most above-mentioned The distressed structure of function all should fall in the protection domain of the application.

The state of rotating disk 2 and reed 1 as shown in Figure 9 time, now on reed 1 top edge of limited section 101 by above it Limited block 301 on, as shown in Figure 10, Figure 11, the top edge of the most limited section 101 is by limited block 301 above it And simultaneously because tooth 202 is oppressed against section 103, reed 1 can deform upon and produce elastic force simultaneously；Rotate rotating disk 2, along with rotating disk The rotation of 2, after the flank of tooth highest point that the apex angle α on reed 1 streaks tooth 202, as shown in figure 12, the deformation of reed 1 is at it Instantaneous recovery under the effect of body elastic force, now reed 1 occurs slightly to rotate, sliding on rear half flank of tooth against section 103 of reed 1 Jump, i.e. from Figure 12 from sliding more locate to Figure 13, pat the flank of tooth against section 103 and produce prompt tone simultaneously.Turn if reversely rotating Dish 2, as shown in Figure 14, Figure 15, on reed 1, the lower limb of limited section 101 is resisted against on limited block 301, and its principle of sound is identical.

When reed 1 streaks the flank of tooth, the deformation of reed 1, along with the resistance mechanical periodicity by the flank of tooth, yet forms both simultaneously The feel of rotating switch rotational positioning.

Embodiment 2

Same as in Example 1, except that, as shown in figure 17, in reed position limiting structure, it is additionally provided with projection 302, limited Section 101 is resisted against on protruding 302.

Owing to reed 1 be its groundwork face towards rotating disk 2 one side, and when reed 1 uses Sheet Metal Forming Technology to produce, for guarantor Demonstrate,proving the smooth of its work surface, selecting its side contacted with axle sleeve 3 is punching press impact surface, is therefore easily generated technique on this face Burr.Protruding 302 are used as and limited section 101 rubbing surface coordinated, to reduce the friction of limited section 101 and axle sleeve 3.With Time, reed 1 can effectively be spaced with axle sleeve 3 by this projection 302 with the technique burr on axle sleeve 3 contact surface, it is to avoid reed 1 Burr be stuck on axle sleeve 3 when rotating disk 2 turns round, it is impossible to produce sound.

Embodiment 3

Same as in Example 1, except that on reed 1 limited section 101 be substantially round in shape chip shape, such as Figure 18 institute Showing, in the present embodiment, reed position limiting structure is two sections of annulus.

Embodiment 4

Same as in Example 1, except that limited section 101 chip shape that substantially assumes diamond in shape on reed 1.

In a word, the foregoing is only preferred embodiment of the present utility model, all according to this utility model claim institute Impartial change and the modification made, all should belong to the covering scope of this utility model patent.

Claims (5)

1. it is applicable to the prompt tone recurring structure of rotating switch, it is characterised in that: include reed (1), rotating disk (2) and axle sleeve (3), Reed (1) includes limited section (101), changeover portion (102) and against section (103), and rotating disk (2) is provided with tooth (202), axle sleeve (3) Be provided with reed position limiting structure, limited section (101) of reed (1) be positioned at axle sleeve (3) reed position limiting structure and can be at spring Motion in sheet position limiting structure, when rotating disk (2) rotates, described in described tooth (202) extruding against section (103).

The prompt tone recurring structure being applicable to rotating switch the most according to claim 1, it is characterised in that: described reed Position limiting structure includes that at least 2 limited blocks (301), described limited block (301) are positioned at limited section (101) periphery of reed (1), The changeover portion (102) of reed (1) passes between limited block (301), and the spacing of adjacent limited block (301) is more than described mistake The width of the section of crossing (102).

The prompt tone recurring structure being applicable to rotating switch the most according to claim 1 and 2, it is characterised in that: against section (103) being provided with drift angle, the flank of tooth of the upper tooth (202) of rotating disk (2) is in wave shape, and described drift angle is resisted against on the flank of tooth of tooth (202).

The prompt tone recurring structure being applicable to rotating switch the most according to claim 3, it is characterised in that: the spacing knot of reed Being additionally provided with projection (302) in structure, limited section (101) are resisted against in projection (302).

The prompt tone recurring structure being applicable to rotating switch the most according to claim 4, it is characterised in that: described rotating disk (2) being fixed with hollow rotating shaft (201) on, rotating disk (2) is formed in one with hollow rotating shaft (201).