CN215660374U

CN215660374U - Comb sleeve adjusting structure and hair trimmer

Info

Publication number: CN215660374U
Application number: CN202122150561.8U
Authority: CN
Inventors: 严剑锋
Original assignee: Ningbo Yunbao Electric Appliance Co ltd
Current assignee: Ningbo Yunbao Electric Appliance Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-28
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a comb sleeve adjusting structure and a hair trimmer. According to the comb sleeve adjusting structure, the screw tooth blocks matched with the screw rod are arranged on the comb sleeve, the screw rod is driven to rotate through the transmission piece, and the screw tooth blocks are driven to move back and forth by the screw rod in the rotating process, so that the comb sleeve can move back and forth, the operation of adjusting the extension length of the comb sleeve is very convenient, and the hair trimming efficiency is improved.

Description

Comb sleeve adjusting structure and hair trimmer

Technical Field

The utility model relates to the technical field of hair trimming equipment, in particular to a comb sleeve adjusting structure and a hair trimmer.

Background

Hair trimmers are commonly used tools, such as for trimming human hair, body hair, or animal hair. The existing hair trimmer is generally provided with comb sleeves, the comb sleeves have specifications with different length and size, a user can fix the length for trimming hair by selecting the comb sleeve with the desired hair length to be installed on the hair trimmer, but the aim of achieving the ideal length for trimming hair by replacing the comb sleeves with different length and size is fulfilled, the efficiency for trimming hair is very low, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides a comb fitting adjustment structure, including a comb fitting and a driving assembly, wherein the comb fitting is provided with at least one screw block, the driving assembly includes a screw rod and a transmission member for driving the screw rod to rotate, and the screw rod is matched with the screw block.

Optionally, the number of the thread blocks is two.

Optionally, the thread blocks are integrally formed with the comb shell.

Optionally, the transmission member comprises a first bevel gear and a second bevel gear which are engaged with each other, and the first bevel gear is connected to one end of the screw rod.

Optionally, the driving assembly further comprises an adjusting wheel, a support and a base fixedly connected with the support, the adjusting wheel is connected with the base through the support, the adjusting wheel is sleeved outside the support and is rotatably connected with the support, and the adjusting wheel is provided with the second bevel gear.

Optionally, a positioning assembly is arranged between the adjusting wheel and the support, the positioning assembly comprises an inner gear arranged on the support and a tooth block matched with the inner gear, and a spring is arranged between the tooth block and the adjusting wheel.

Optionally, a rotation limiting assembly is arranged between the adjusting wheel and the support, the rotation limiting assembly comprises an arc section track arranged on the adjusting wheel and a convex block arranged on the support, and the convex block is matched with the arc section track.

Optionally, the arc of the circular arc segment track is 90 ° -250 °.

Compared with the prior art, the comb sleeve adjusting structure has the advantages that the screw tooth blocks matched with the screw rods are arranged on the comb sleeve, the screw rods are driven to rotate through the transmission parts, and the screw tooth blocks are driven to move back and forth by the screw rods in the rotating process, so that the comb sleeve can move back and forth, the operation of adjusting the extending length of the comb sleeve is very convenient, and the hair trimming efficiency is improved.

In addition, the present invention provides a hair trimmer comprising the comb sleeve adjusting structure as described above.

Compared with the prior art, the hair trimmer and the comb sleeve adjusting structure have the same advantages compared with the prior art, and the detailed description is omitted.

Drawings

FIG. 1 is a cross-sectional view of a comb adjustment structure according to an embodiment of the present invention;

FIG. 2 is a partial structural view of a comb fitting adjustment structure according to an embodiment of the present invention;

FIG. 3 is a view showing an assembly structure of the adjusting wheel, the tooth block and the spring according to the embodiment of the present invention;

fig. 4 is a structural view of the bracket and the tooth block matched according to the embodiment of the utility model.

Description of reference numerals:

1. a comb cover; 11. a screw tooth block; 2. a drive assembly; 21. a screw; 22. a transmission member; 221. a first bevel gear; 222. a second bevel gear; 23. an adjustment wheel; 231. a circular arc segment track; 24. a support; 241. an internal gear; 242. a bump; 25. a base; 26. a tooth block; 27. a spring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the normal use of a product.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the drawings of embodiments of the utility model a coordinate system YZ is provided, wherein the forward direction of the Y-axis represents the front, the reverse direction of the Y-axis represents the rear, the forward direction of the Z-axis represents the upper and the reverse direction of the Z-axis represents the lower.

The embodiment of the utility model provides a comb shell adjusting structure, which is shown by combining fig. 1, fig. 2 and fig. 3, and comprises a comb shell 1 and a driving assembly 2, wherein the comb shell 1 is provided with at least one screw tooth block 11, the driving assembly 2 comprises a screw rod 21 and a transmission piece 22 for driving the screw rod 21 to rotate, and the screw rod 21 is matched with the screw tooth block 11.

Wherein, the thread block 11 is fixedly arranged on the lower bottom surface of the comb sleeve 1 to play a role of hiding, prevent external substances from interfering the rotating operation of the screw 21 and ensure the integral aesthetic property; the lower bottom surface of the comb sleeve 1 is provided with a yielding groove for yielding the screw rod 21, and the screw tooth block 11 is arranged in the yielding groove, so that the structure between the screw rod 21 and the comb sleeve 1 is more compact.

The width of the screw block 11 is matched with the thread pitch of the screw rod 21, so that the screw block 11 is in threaded rotation fit with the screw rod 21, and the comb sleeve 1 cannot move back and forth when the hair trimmer is used for trimming hair after the extension length position of the comb sleeve 1 is determined, so that the trimming effect is ensured. The transmission member 22 may be a motor-driven member or a manual driving member, which can drive the screw 21 to rotate.

The comb shell adjusting structure in the embodiment is characterized in that the comb shell 1 is provided with the screw tooth block 11 matched with the screw rod 21, the screw rod 21 is driven to rotate by the transmission part 22, and the screw rod 21 drives the screw tooth block 11 to move back and forth in the rotating process, so that the comb shell 1 can move back and forth, the operation of adjusting the extending length of the comb shell 1 is very convenient, and the hair trimming efficiency is improved.

Optionally, the number of the thread blocks 11 is two.

Wherein, two screw thread blocks 11 are arranged at intervals along the moving direction of the comb sleeve 1, and the small distance of the two screw thread blocks 11 is consistent with the thread pitch of the screw 21. In this embodiment, two screw blocks 11 are provided, so that the transmission between the screw 21 and the comb case 1 is more stable and reliable.

Optionally, the thread blocks 11 are integrally formed with the comb shell 1.

Wherein, thread piece 11 and comb cover 1 are formed by the integrative injection moulding of working of plastics, and its simple process is reliable, and the fastness is good, also saves the installation step for whole installation effectiveness improves.

Optionally, the transmission member 22 includes a first bevel gear 221 and a second bevel gear 222 engaged with each other, and the first bevel gear 221 is connected to one end of the screw 21.

Wherein the thread block 11 is arranged at a position of the abdicating groove near one end of the first bevel gear 221, so that the transmission length of the screw 21 and the comb sleeve 1 is as long as possible. The first bevel gear 221 is fixedly connected with the screw 21, and when the second bevel gear 222 rotates to drive the first bevel gear 221 to rotate, the screw 21 can also rotate synchronously along with the rotation of the first bevel gear 221. In this embodiment, the transmission member 22 adopts a structure in which the first bevel gear 221 and the second bevel gear 222 are engaged with each other, so that the structure is simple and reliable, and the transmission effect of the transmission member 22 is ensured.

Optionally, the driving assembly 2 further includes an adjusting wheel 23, a bracket 24 and a base 25 fixedly connected to the bracket 24, the adjusting wheel 23 is connected to the base 25 through the bracket 24, the adjusting wheel 23 is sleeved outside the bracket 24 and rotatably connected to the bracket 24, the adjusting wheel 23 is provided with the second bevel gear 222, and when a user adjusts the adjusting wheel 23 with a hand, the second bevel gear 222 can also rotate, so that the second bevel gear 222 drives the first bevel gear 221 to rotate.

Wherein, the bracket 24 and the base 25 are fixedly connected with each other in an interference fit or screw connection manner; the base 25 is provided with an installation frame for placing the screw 21, so that the screw 21 is more stably matched with the thread block 11, and the transmission effect is ensured; the bracket 24 is provided with a rotating shaft, and the adjusting wheel 23 is coaxially and rotatably connected with the rotating shaft, namely the adjusting wheel 23 can rotate around the rotating shaft; the concave pits are uniformly arranged on the circumferential outer edge of the adjusting wheel 23 at intervals, so that the friction force between a hand and the adjusting wheel 23 when a user dials the adjusting wheel 23 can be increased, and the adjusting wheel 23 can be conveniently rotated; the second bevel gear 222 and the adjustment wheel 23 are integrally formed and may be formed by injection molding of plastic.

Optionally, a positioning assembly is arranged between the adjusting wheel 23 and the bracket 24, the positioning assembly includes an internal gear 241 arranged on the bracket 24 and a tooth block 26 matched with the internal gear 241, and a spring 27 is arranged between the tooth block 26 and the adjusting wheel 23.

Wherein, the spring 27 is a compression spring 27, which is used for pushing the tooth block 26 to clamp the internal gear 241, so as to limit the rotation of the adjusting wheel 23, so that the adjusting wheel 23 can not rotate when the hair is cut after the size of the comb case 1 is adjusted, and the comb case 1 can not move back and forth. When the adjusting wheel 23 is rotated by external force, the tooth blocks 26 are meshed with the internal gear 241 to rotate, the internal gear 241 pushes the tooth blocks 26 to move, the spring 27 is compressed by the tooth blocks 26 until the tooth blocks 26 are clamped into the next tooth socket of the internal gear 241, if the external force is not removed, the tooth blocks 26 continue to repeat the actions, and if the external force is removed, the tooth blocks 26 clamp the internal gear 241, so that the size of the comb case 1 is adjusted. The adjustment wheel 23 is provided with a receiving cavity for placing the spring 27 and the gear block.

Optionally, a rotation limiting assembly is arranged between the adjusting wheel 23 and the bracket 24, the rotation limiting assembly includes an arc track 231 arranged on the adjusting wheel 23 and a protrusion 242 arranged on the bracket 24, and the protrusion 242 is matched with the arc track 231.

Wherein, the bump 242 is arranged on the inner surface of the bracket 24, the arc track 231 is arranged on the upper surface of the adjusting wheel 23, and after the adjusting wheel 23 is assembled with the bracket 24, the bump 242 and the arc track 231 are hidden between the adjusting wheel 23 and the bracket 24, so as to prevent the interference from the outside. In this embodiment, set up this rotation limiting assembly, can prevent that comb shell 1 from deviating from overall structure at extreme position, ensure comb shell 1 regulatory function's stability.

Optionally, the arc of the arc segment track 231 is 90 ° -250 °.

The radian of the circular arc segment track 231 can be 120 degrees, 180 degrees or 230 degrees, and the specific radian can be selected according to design requirements. The arc of the circular arc segment track 231 is preferably 240 deg., which is selected to ensure that the size adjustment of the comb case 1 meets the required range, and to prevent the comb case 1 from coming off the overall structure.

Another embodiment of the present invention provides a hair trimmer comprising the comb sleeve adjustment structure as described above.

In the hair trimmer in this embodiment, the thread block 11 matched with the screw rod 21 is arranged on the comb shell 1, the screw rod 21 is driven to rotate by the transmission part 22, and the screw rod 21 drives the thread block 11 to move back and forth in the rotating process, so that the comb shell 1 can move back and forth, the operation of adjusting the extending length of the comb shell 1 is very convenient, and the hair trimming efficiency is improved.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. The comb sleeve adjusting structure is characterized by comprising a comb sleeve (1) and a driving assembly (2), wherein the comb sleeve (1) is provided with at least one screw tooth block (11), the driving assembly (2) comprises a screw rod (21) and a driving piece (22) for driving the screw rod (21) to rotate, and the screw rod (21) is matched with the screw tooth block (11).

2. Comb set adjustment structure according to claim 1, characterized in that the number of the screw blocks (11) is two.

3. A comb fitting adjustment arrangement according to claim 1, wherein the screw block (11) is integrally formed with the comb fitting (1).

4. A comb adjustment structure according to any one of claims 1 to 3, wherein the transmission member (22) comprises a first bevel gear (221) and a second bevel gear (222) which are engaged with each other, the first bevel gear (221) being connected to one end of the screw (21).

5. The comb sleeve adjusting structure according to claim 4, wherein the driving assembly (2) further comprises an adjusting wheel (23), a bracket (24) and a base (25) fixedly connected with the bracket (24), the adjusting wheel (23) is connected with the base (25) through the bracket (24), the adjusting wheel (23) is sleeved outside the bracket (24) and is rotatably connected with the bracket (24), and the adjusting wheel (23) is provided with the second bevel gear (222).

6. The comb sleeve adjusting structure according to claim 5, wherein a positioning assembly is arranged between the adjusting wheel (23) and the support (24), the positioning assembly comprises an internal gear (241) arranged on the support (24) and a tooth block (26) matched with the internal gear (241), and a spring (27) is arranged between the tooth block (26) and the adjusting wheel (23).

7. The comb sleeve adjusting structure according to claim 5, wherein a rotation limiting assembly is arranged between the adjusting wheel (23) and the support (24), the rotation limiting assembly comprises a circular arc section track (231) arranged on the adjusting wheel (23) and a convex block (242) arranged on the support (24), and the convex block (242) is matched with the circular arc section track (231).

8. Comb set adjustment structure according to claim 7, characterized in that the arc of the circular arc segment track (231) is 90 ° -250 °.

9. A hair trimmer comprising the comb adjustment structure of any one of claims 1 to 8.