CN214561104U

CN214561104U - Push rod adjusting and locking device of electric hair clipper

Info

Publication number: CN214561104U
Application number: CN202023275290.0U
Authority: CN
Inventors: 邓金辉
Original assignee: Guangdong Roman Technology Co Ltd
Current assignee: Guangdong Roman Technology Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-02
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to the technical field of electric hair clippers, in particular to a push rod adjusting and locking device of an electric hair clipper, which comprises a clipper body, a cutter head connecting rod, a push rod key and a push rod, wherein the push rod is slidably positioned in the clipper body, the push rod is abutted against the cutter head connecting rod, and the push rod key is movably arranged outside the clipper body and is connected with the push rod; the push rod key is movably provided with a push rod locking piece which is abutted against the buckle; the push rod is provided with an auxiliary groove, the machine body is provided with an assembly seat, a movable block and a second elastic piece, the assembly seat is provided with an accommodating groove, the movable block is movably arranged in the accommodating groove, the movable block is provided with a protrusion, the second elastic piece exerts an acting force on the movable block, the acting force is perpendicular to the sliding direction of the push rod, so that the protrusion is elastically embedded into the auxiliary groove, the movable block is stably stressed, and the clamping matching effect between the protrusion of the movable block and the auxiliary groove is better; the movable block is fixed on the machine body through the assembling seat, so that the assembly is more convenient and the structure is more reliable.

Description

Push rod adjusting and locking device of electric hair clipper

Technical Field

The utility model relates to an electric clipper technical field, concretely relates to locking device is adjusted to electric clipper push rod.

Background

Electric hair clippers are a common tool for hair dressing and hairdressing, and are one of the most common tools used by hairdressers.

The existing electric hair clipper can adjust the front-back distance of a blade in a cutter head device by adjusting a locking device so as to trim hairs with different lengths. The common adjusting and locking device mainly comprises a push key, a push rod and a torsional spring, wherein the push key is installed on the side edge of a shell of the electric hair clipper, the push rod is arranged in the shell and is in contact with a cutter head connecting rod, the push key is connected with the push rod, a push rod buckle with a convex block is arranged on the push rod, the torsional spring applies acting force to the push rod buckle, a plurality of grooves matched with the convex block are formed in the inner wall of the shell, and the grooves are gears for adjusting and locking the device to trim hairs with different lengths. Under the natural state, the push rod is meshed and positioned with one groove through the boss, when different gears need to be changed, the push rod is separated from the meshed position under the action of the push key, the push key is pressed and moves forwards or backwards, meanwhile, the push key moves forwards or backwards along with the push key to another gear, the push key is released after the required gear is reached, the boss automatically restores to be meshed with the groove of the gear under the elastic action of the torsion spring and is repositioned, and gear setting of the adjusting and locking device is completed. In the process, the push rod pushes the cutter head connecting rod to move so as to adjust the cutter distance.

By last knowing, current regulation locking device only relies on the location of boss and recess, and in the in-service use process, when promoting to push away the key and change the gear, once beat a plurality of gears easily, gear function control is difficult. Thus, chinese patent No. CN203993930U discloses that the purpose of locking gears and achieving gear shifting are achieved by two locking positions, in which a push rod fitting arranged on the push rod is engaged with a machine body groove, and the push rod is buckled and clamped in a machine body buckle groove. However, the following problems still exist in the prior art: the push rod accessory is fixed on the push rod, and non-vertical pressure is applied to the push rod accessory by virtue of the torsion spring, so that the stability is poor. And the same torsion spring applies acting force to the push rod accessory and the push rod buckle at the same time, and the torsion spring is easy to deform and the force application is unstable during assembly.

Disclosure of Invention

There is above-mentioned technical problem to prior art, the utility model provides a locking device is adjusted to electric clipper push rod that stability is strong, the assembly of being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme:

the push rod adjusting and locking device of the electric hair clipper comprises a clipper body, a cutter head connecting rod, a push rod key and a push rod, wherein the push rod is slidably positioned in the clipper body and is abutted against the cutter head connecting rod; the push rod is provided with a buckle and a first elastic piece, the first elastic piece drives the buckle to keep occluded with the buckle groove to lock the push rod, and a push rod locking piece abutted against the buckle is movably mounted on the push rod key; the push rod is equipped with the groove of assisting more than two, the fuselage is equipped with assembly seat, movable block and second elastic component, the assembly seat is equipped with the holding tank, the movably dress of movable block is in the holding tank, the movable block is equipped with the arch, the second elastic component is right the perpendicular to is applyed to the movable block the effort of the slip direction of push rod, so that protruding gomphosis elastically assist the groove.

Preferably, the buckle is hinged to the push rod, and the first elastic piece is a torsion spring.

Preferably, the second elastic part is a compression spring, one end of the compression spring abuts against the groove bottom of the accommodating groove, and the other end of the compression spring abuts against the movable block.

Preferably, the movable block is provided with a guide post, and the compression spring is sleeved outside the guide post.

Preferably, the movable block is provided with a stop lug, and the assembling seat is provided with a stop groove for blocking the stop lug so as to prevent the movable block from separating from the assembling seat.

Preferably, the surface of the protrusion is spherical, and the auxiliary groove is an arc-shaped groove.

Preferably, the side wall of the movable block is in clearance fit with the side wall of the accommodating groove.

Preferably, the machine body is provided with a limiting arm, the limiting arm is provided with a hook part, and the hook part is clamped on the assembling seat.

Preferably, the side part of the assembling seat is provided with a side groove for embedding the limiting arm.

The utility model has the advantages that:

compared with the prior art, the push rod adjusting and locking device of the electric hair clipper has the advantages that the second elastic piece applies acting force perpendicular to the sliding direction of the push rod to the movable block, so that the movable block is stressed stably, and the clamping matching effect between the bulge of the movable block and the auxiliary groove is better; the movable block is fixed on the machine body through the assembling seat, so that the assembly is more convenient and the structure is more reliable.

Drawings

Fig. 1 is a sectional view of an electric hair clipper in an embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view of a part of the structure of the electric clipper in the embodiment.

Fig. 4 is an enlarged view showing the fitting seat, the second elastic member, and the movable block in the embodiment in cooperation with each other.

Fig. 5 is an exploded view of fig. 4.

Reference numerals:

the device comprises a machine body 1, a buckling groove 11, a limiting arm 12 and a hook part 121; a cutter head connecting rod 2 and a push rod key 3;

the push rod 4, the buckle 41, the auxiliary groove 42 and the first elastic piece 5;

the assembling seat 6, the stop groove 61, the side groove 62, the accommodating groove 63, the movable block 7, the protrusion 71, the guide post 72, the stop lug 73, the second elastic element 8 and the push rod locking element 9.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the electric hair clipper of the present embodiment includes a body 1, a cutter head connecting rod 2, a push rod key 3 and a push rod 4, wherein the push rod 4 is slidably located in the body 1, the push rod 4 abuts against the cutter head connecting rod 2, and the push rod key 3 is slidably mounted outside the body 1 and is fastened to the push rod 4. The fuselage 1 is equipped with the catching groove 11 more than two, and push rod 4 is equipped with buckle 41 and first elastic component 5, and buckle 41 articulates in push rod 4, and first elastic component 5 is the torsional spring, and it orders about buckle 41 to keep interlock catching groove 11 in order to lock push rod 4. The push rod key 3 is movably installed with a push rod locking piece 9 abutting against the buckle 41 for driving the buckle 41 to be separated from the originally occluded buckle slot 11. The push rod 4 is provided with more than two auxiliary grooves 42, the machine body 1 is provided with an assembling seat 6, a movable block 7 and a second elastic piece 8, the assembling seat 6 is provided with an accommodating groove 63, the movable block 7 is movably arranged in the accommodating groove 63, the movable block 7 is provided with a protrusion 71, and the second elastic piece 8 applies an acting force perpendicular to the sliding direction of the push rod 4 to the movable block 7 so that the protrusion 71 is elastically embedded in the auxiliary grooves 42. When the gear needs to be shifted, a user operates and presses the push rod locking piece 9, the push rod locking piece 9 abuts against the buckle 41 to be separated from the buckle groove 11, then the push rod key 3 is pushed to drive the push rod 4 to drive the cutter head connecting rod 2, when the push rod 4 moves, the buckle groove 11 correspondingly engages with the next buckle groove 11 to realize gear shifting, and meanwhile, the protrusion 71 of the movable block 7 is embedded with the next auxiliary groove 42.

Compared with the prior art, the second elastic piece 8 applies an acting force perpendicular to the sliding direction of the push rod 4 to the movable block 7, so that the movable block 7 is stressed stably, and the clamping matching effect between the bulge 71 of the movable block 7 and the auxiliary groove 42 is better; the movable block 7 is fixed on the machine body 1 through the assembling seat 6, so that the assembly is more convenient and the structure is more reliable.

In this embodiment, the second elastic element 8 is a compression spring, one end of the compression spring abuts against the bottom of the accommodating groove 63, and the other end abuts against the movable block 7. The movable block 7 is provided with a guide post 72, and the compression spring is sleeved outside the guide post 72, so that the deformation of the compression spring is more stable. The movable block 7 is provided with a stopper lug 73, and the mount base 6 is provided with a stopper groove 61 for stopping the stopper lug 73 to prevent the movable block 7 from being detached from the mount base 6. The body 1 is provided with a limiting arm 12, the limiting arm 12 is provided with a hook part 121, the hook part 121 is clamped on the assembling seat 6, and the side part of the assembling seat 6 is provided with a side groove 62 for the limiting arm 12 to be embedded in. During assembly, the assembly seat 6, the second elastic piece 8 and the movable block 7 can be assembled into a module and then integrally assembled on the machine body 1.

In this embodiment, the surface of the protrusion 71 is spherical, and the auxiliary groove 42 is an arc-shaped groove, so that when the push rod 4 is driven by external force, the protrusion 71 can be smoothly switched to the next auxiliary groove 42. Preferably, the side wall of the movable block 7 is in clearance fit with the side wall of the accommodating groove 63, so that excessive inclination of the movable block 7 in the accommodating groove is avoided.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A push rod adjusting and locking device of an electric hair clipper comprises a clipper body, a cutter head connecting rod, a push rod key and a push rod, wherein the push rod is slidably positioned in the clipper body and is abutted against the cutter head connecting rod; the push rod is provided with a buckle and a first elastic piece, the first elastic piece drives the buckle to keep occluded with the buckle groove to lock the push rod, and a push rod locking piece abutted against the buckle is movably mounted on the push rod key; the method is characterized in that: the push rod is equipped with the groove of assisting more than two, the fuselage is equipped with assembly seat, movable block and second elastic component, the assembly seat is equipped with the holding tank, the movably dress of movable block is in the holding tank, the movable block is equipped with the arch, the second elastic component is right the perpendicular to is applyed to the movable block the effort of the slip direction of push rod, so that protruding gomphosis elastically assist the groove.

2. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the buckle is hinged to the push rod, and the first elastic piece is a torsion spring.

3. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the second elastic piece is a compression spring, one end of the compression spring abuts against the groove bottom of the accommodating groove, and the other end of the compression spring abuts against the movable block.

4. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 3, wherein: the movable block is provided with a guide post, and the compression spring is sleeved outside the guide post.

5. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the movable block is provided with a stop lug, and the assembling seat is provided with a stop groove for blocking the stop lug so as to prevent the movable block from separating from the assembling seat.

6. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the surface of the bulge is spherical, and the auxiliary groove is an arc-shaped groove.

7. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the lateral wall of movable block with the lateral wall clearance fit of holding tank.

8. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 1, wherein: the fuselage is equipped with spacing arm, spacing arm is equipped with hook portion, hook portion chucking the assembly seat.

9. The push rod adjusting and locking device of an electric hair clipper as set forth in claim 8, wherein: and the side part of the assembling seat is provided with a side groove for embedding the limiting arm.