CN219920436U - Knob device for shoelace tightening - Google Patents

Abstract

The utility model discloses a knob device for tightening shoelaces, which comprises a knob device composed of a wire rotating wheel, a base, a knob and a wire rack wheel, wherein a toothed ring is integrally formed on the knob, the base is buckled with the wire rack wheel sleeved outside the toothed ring, the wire rack wheel is rotationally connected with the wire rotating wheel, more than one latch bar is annularly arranged on the outer side of the toothed ring, more than one diagonal rack is annularly arranged on the inner side of the toothed ring, a helical gear which is inserted into the toothed ring and can be meshed with the diagonal rack is fixedly arranged above the wire rotating wheel, a blocking mechanism corresponding to the latch bar is arranged on the wire rack wheel, the blocking mechanism is blocked from rotating when being meshed with the latch bar, and the wire rack wheel is mutually buckled with the knob. The structure is convenient to operate.

Description

Knob device for shoelace tightening

Technical Field

The utility model relates to the technical field of tying and loosening of a lace, in particular to a knob device for tightening a shoelace.

Background

At present, the conventional shoelace tying mode is to use two hands to operate together simultaneously to perform knotting treatment, so that the relative speed is low, the tightness degree of the shoelace tying mode is not easy to adjust, the instep feeling is poor, the shoelace tying mode is too loose or too tight, the user needs to take one time when the user wants to adjust the shoelace tying mode to a proper tightness degree, the shoelace tying mode is not easy to easily tie the old and the children, the loose shoelaces can be stepped on by the other foot to cause the body to lose balance, and the safety accident occurs.

Therefore, there is a structure capable of tightening shoelaces by rotation, but such a structure requires starting rotation by pressing, is inconvenient to operate relatively, and is insufficient in pressing force for children to start, so that improvement is required.

Disclosure of Invention

The utility model aims to provide a knob device for shoelace tightening, which solves the problems of inconvenient operation and difficult pressing of the conventional shoelace tightening mechanism in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shoelace tightens up and uses knob device, includes the knob device of constituteing by line rotation wheel, base, knob and bobbin wheel, the knob on integrated into one piece have the ring gear, the lock joint has the bobbin wheel of cover outside the ring gear on the bobbin wheel swivelling joint have the line rotation wheel the outside annular of ring gear is provided with more than one latch strip the inboard annular of ring gear is provided with more than one helical gear the top of line rotation wheel is fixed with the helical gear that inserts in the ring gear and can mesh with the helical gear, is provided with the blocking mechanism that latch strip corresponds on the bobbin wheel, blocking mechanism and latch strip meshing time block the ring gear rotatory, bobbin wheel and knob lock joint each other.

Preferably, the three groups of racks are provided, and each group of racks respectively comprises an arc-shaped strip connected with the outer wall of the toothed ring and two triangular teeth arranged on the outer side of the arc-shaped strip.

Preferably, the blocking mechanism is formed by a plurality of ratchets arranged on the circumferential inner ring of the wire frame wheel, and the triangular teeth are meshed with the ratchets.

Preferably, the base is provided with more than one mounting through hole, and the mounting through hole is convenient to mount.

Preferably, the wire frame is provided with a limiting table in the wire frame wheel, and the toothed ring is placed on the limiting table.

Preferably, the operation is convenient, the bottom of base is the arcwall face that the centre is high, both sides are low.

Preferably, the clamping is convenient, a clamping groove is formed in the bottom of the base, a clamping hook matched with the clamping groove is arranged on the line frame wheel, and two line inlet holes are further formed in two sides of the line frame wheel.

Preferably, one or more silica gel parts are annularly provided on the outer side of the knob for slipping during operation.

Preferably, the ratchet is inclined in the opposite direction to the inclined direction of the helical rack.

Compared with the prior art, the utility model has the following beneficial effects: because the latch bar on the toothed ring adopts an operation mode that the arc bar is matched with two triangular teeth, the helical gear is arranged on the line rotating wheel and is meshed with more than one helical gear which is annularly arranged on the inner side of the toothed ring, meanwhile, the latch bar is meshed with the circumferential ratchet teeth in the line frame wheel 5, and the two are reversely arranged, when the rotary knob is reversely stressed, the circumferential ratchet teeth 13 are clung to ratchet teeth on the latch bar, so that the stressed state is very ideal, the structure has higher reliability effect when being reversely stressed, and is not broken, the buffering force is better, and the whole body is formed between the teeth and the teeth when being stressed.

Drawings

Fig. 1 is a schematic view showing a structure of a knob device for tightening shoelaces according to the present embodiment.

Fig. 2 is an exploded view of fig. 1.

FIG. 3 is a schematic view of the internal structure of the knob;

fig. 4 is a schematic view showing a structure of a knob device for tightening shoelaces according to the present embodiment without a knob.

Fig. 5 is a schematic view of the bottom structure of fig. 4.

In the figure: the wire rotating wheel 1, the base 2, the knob 3, the toothed ring 4, the wire frame wheel 5, the tooth bar 6, the bevel gear 7, the bevel gear 8, the triangle tooth 11, the arc bar 12, the ratchet 13, the mounting through hole 14, the limiting table 15, the clamping groove 17, the clamping hook 16, the wire inlet hole 18 and the silica gel part 19.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Examples

Referring to fig. 1-5, the knob device for tightening shoelaces provided in this embodiment includes a knob device composed of a wire rotating wheel 1, a base 2, a knob 3 and a wire rack wheel 5, wherein a toothed ring 4 is integrally formed on the knob 3, the wire rack wheel 5 sleeved outside the toothed ring 4 is fastened on the base 2, the wire rotating wheel 1 is rotatably connected with the wire rack wheel 5, more than one latch bar 6 is annularly arranged outside the toothed ring 4, more than one helical rack 7 is annularly arranged inside the toothed ring 4, a helical gear 8 which is inserted into the toothed ring 4 and can be meshed with the helical rack 7 is fixed above the wire rotating wheel 1, a blocking mechanism corresponding to the latch bar 6 is arranged on the wire rack wheel 5, the blocking mechanism is meshed with the latch bar 6 to block the toothed ring 4 from rotating, the wire rack wheel 5 is fastened with the knob 3, as shown in fig. 3, more than one latch hook 3-1 is annularly arranged inside the inner side wall of the knob 3 to be matched with the outer wall 5 to realize the fastening.

Preferably, the number of the latch strips 6 is three, and each latch strip 6 comprises an arc-shaped strip 12 connected with the outer wall of the toothed ring 4 and two triangular teeth 11 arranged outside the arc-shaped strip 12.

Preferably, the blocking mechanism is formed by a plurality of ratchets 13 arranged on the circumferential inner ring of the wire holder wheel 5, and the triangular teeth 11 are meshed with the ratchets 13.

Preferably, the base 2 is provided with one or more mounting through holes 14 for easy mounting.

Preferably, the wire frame wheel 5 is internally provided with a limiting table 15, and the toothed ring 4 is placed on the limiting table 15.

Preferably, the bottom of the base 2 is an arc surface with a high middle and low two sides, and the operation is convenient.

Preferably, clamping is facilitated, a clamping groove 17 is formed in the bottom of the base 2, a clamping hook 16 matched with the clamping groove 17 is arranged on the wire frame wheel 5, and two wire inlet holes 18 are formed in two sides of the wire frame wheel 5.

Preferably, for slipping during operation, more than one silica gel part 19 is annularly arranged on the outer side of the knob 3, and friction is increased when the knob is held by a hand conveniently by arranging the silica gel part 19, so that slipping phenomenon during rotation is avoided.

Preferably, the ratchet 13 is inclined in the opposite direction to the inclined direction of the diagonal rack 7.

The functional operation mode of the structure is as follows:

the shoelace is tied, the knob 3 is slightly pressed towards the direction of the base 2, a click is heard, the knob 3 is in a combined state with the line frame wheel 5, the toothed ring 4 and the line rotating wheel 1, at the moment, the line rotating wheel 1 is meshed with the toothed ring 4, the toothed ring 4 is meshed with the line frame wheel 5, at the moment, the knob is rotated clockwise to drive the line rotating wheel 1 to rotate, and the shoelace knot in the counter bore corresponding to the center of the line rotating wheel 1 pulls the shoelace to enter the line groove of the line rotating wheel until the shoelace is tightened, so that the shoelace tying purpose is achieved; the shoelace is loosened, the knob 3 is pulled slightly hard in the direction away from the base 2, a click sound is heard, the knob 3 is in a separation state with the wire frame wheel 5, the toothed ring 4 and the wire rotating wheel 1, in this process, the toothed ring 4 is separated from the wire rotating wheel 1, the wire rotating wheel 1 is in a free state in the circumferential direction, the shoelace can be freely rotated, the shoelace can be easily pulled out of the wire slot, the shoelace loosening purpose is achieved, the knob 3 and the toothed ring 4 are integrally formed, fewer components are further guaranteed, and the shoelace loosening device is more convenient to install.

The knob device has better reliability, because the latch bar 6 on the toothed ring 4 adopts an operation mode of matching the arc bar 12 with the two triangular teeth 11, the helical gear 8 is arranged on the line rotating wheel 1 and is meshed with more than one helical gear 7 annularly arranged on the inner side of the toothed ring 4, meanwhile, the latch bar 6 is meshed with the circumferential ratchet 13 in the line frame wheel 5, the two are reversely arranged, when the rotary knob is reversely stressed, the circumferential ratchet 13 is tightly attached to the ratchet teeth on the latch bar 6, the stressed state is very ideal, the structure has higher reliability effect when being reversely stressed, the buffer force is better, the whole structure is formed between the teeth and the teeth when being stressed, the structure has a great reinforcing effect, the structure can bear larger load, the new structure sound is more crisp, the sense of being provided for people, the consumer is improved to the approval degree of products, the click sound generated when the rotary knob rotates comes from the sound of the circumferential teeth and the ratchet teeth, different sounds are tightly attached to the ratchet teeth on the ratchet teeth, the impact effect is also generated when the rotary knob is stressed, the rotary knob is more convenient to the opposite to the circumferential teeth, the impact effect is more convenient to the opposite to the ratchet teeth, the consumer has a small impact effect when the impact is generated to the opposite to the circumferential teeth, and the opposite stress state is more reasonable, and the consumer has a better impact effect is more convenient to the opposite to the peripheral teeth.

Claims (9)

1. A knob device for tightening shoelaces, characterized in that: including the knob device of constituteing by line rotation wheel (1), base (2), knob (3) and bobbin wheel (5), knob (3) on integrated into one piece have toothed ring (4), the lock joint has bobbin wheel (5) of cover outside toothed ring (4) on base (2) the outside annular that the outside of toothed ring (4) was provided with is provided with more than one latch bar (6) the inboard annular of toothed ring (4) is provided with more than one helical rack (7) the top of line rotation wheel (1) is fixed with helical gear (8) that insert in toothed ring (4) and can mesh with helical rack (7), lock joint has cover bobbin wheel (5) outside toothed ring (4) on base (2), be provided with the stop mechanism that card rack (6) corresponds on bobbin wheel (5), stop bobbin wheel (5) and knob (3) lock joint each other when card rack (6) are meshed.

2. The shoelace tightening knob device of claim 1 that is characterized in that: the three groups of clamping racks (6) are provided, and each group of clamping racks (6) respectively comprises an arc-shaped strip (12) connected with the outer wall of the toothed ring (4) and two triangular teeth (11) arranged on the outer side of the arc-shaped strip (12).

3. The shoelace tightening knob device of claim 2 that is characterized in that: the blocking mechanism is formed by a plurality of ratchets (13) arranged on the circumferential inner ring of the wire frame wheel (5), and the triangular teeth (11) are meshed with the ratchets (13).

4. The shoelace tightening knob device of claim 3 that is characterized in that: more than one mounting through holes (14) are arranged on the base (2).

5. The shoelace tightening knob device according to claim 4, characterized in that: a limiting table (15) is arranged in the wire frame wheel (5), and the toothed ring (4) is placed on the limiting table (15).

6. The shoelace tightening knob device of claim 5 that is characterized in that: the bottom of the base (2) is an arc-shaped surface with a high middle and low two sides.

7. The shoelace tightening knob device of claim 6 that is characterized in that: the wire frame is characterized in that a clamping groove (17) is formed in the bottom of the base (2), a clamping hook (16) matched with the clamping groove (17) is arranged on the wire frame wheel (5), and two wire inlet holes (18) are formed in two sides of the wire frame wheel (5).

8. The shoelace tightening knob device of claim 7 that is characterized in that: more than one silica gel part (19) is annularly arranged on the outer side of the knob (3).

9. The shoelace tightening knob device of claim 8 that is characterized in that: the inclination direction of the ratchet (13) is opposite to the inclination mode of the diagonal rack (7).