Electric hair cutter assembly with cutter head easy to replace

By designing a rotatable connector and an automatic cleaning system, the shaking and loosening of the connection parts of the electric push scissor head is solved, and the tool head is quickly replaced and automatic cleaning is achieved, which improves the safety and convenience of use.

CN222986995UActive Publication Date: 2025-06-17HENGXUN ELECTRICAL APPLIANCES (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422168329.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-17
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The connecting parts of the cutter head of the electric pusher easily cause shaking and loosening, which poses safety risks. At the same time, the cutter head is prone to accumulate hair debris during use, which requires manual cleaning and is difficult to replace efficiently.

Method used

An electric shear assembly that is easy to replace the tool head is designed. By setting a rotatable connection and housing, the thread groove and return spring are used to achieve rapid disassembly and replacement of the tool head, and through the design of the drive motor and bristles, the debris on the tool head is automatically cleaned.

Benefits of technology

It effectively solves the problems of shaking and loosening of the joints of the cutting head, improves the safety of use, and reduces the frequency of manual cleaning through the automatic cleaning function, simplifying the process of changing the cutting head.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222986995U_ABST
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Abstract

The utility model relates to the technical field of electric hair clippers, in particular to an electric hair clipper assembly with a tool bit easy to replace. According to the technical scheme, the electric hair cutter comprises an electric hair cutter body, a frame and a connecting piece. A switch is installed on the top end face of the electric hair cutter body. An exhaust pipe is fixedly embedded in the side end face of the electric hair cutter body, and a fan is arranged in the exhaust pipe. Frames are installed at the front end and the rear end of the electric hair cutter body. A tool bit body is mounted on the connecting piece; the tool bit body is sleeved with a shell. A driving motor is installed on the side end face of the shell, and bristles are arranged on an output shaft of the driving motor through a rotating shaft. A connecting rod is sleeved with the frame, a fixing rod is welded to the connecting rod through a connecting plate, an air inlet is formed in the top end face of the electric hair cutter body, and the air inlet communicates with the electric hair cutter body. The electric hair cutter can be used, the joint of the cutter head can be limited when the electric hair cutter is used, and broken hair at the position of the cutter head can be cleaned.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric hair clippers, in particular to an electric hair clipper assembly with an easily replaceable cutter head. Background Art

[0002] An electric hair clipper is a tool for hair cutting and styling. Electric hair clippers are generally divided into two types, one is plug-in type and the other is rechargeable type.

[0003] When an electric hair clipper is in use, the cutter head part is mostly connected to the body by a connecting piece thread. After long-term use after connection, the connection part is prone to shaking and loosening, which poses a safety hazard. Moreover, the debris generated when the cutter head part cuts hair during use is easy to stay at the cutter head and needs to be manually cleaned by personnel. Therefore, it still needs to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide an electric hair clipper assembly with an easily replaceable cutter head to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An electric hair clipper assembly with an easily replaceable cutter head, including an electric hair clipper body, a frame and a connecting piece,

[0006] A switch is installed on the top end face of the electric hair clipper body;

[0007] An exhaust pipe is embedded and fixed on the side end face of the electric hair clipper body, and a blower is arranged in the exhaust pipe;

[0008] Frames are installed at both the front and rear ends of the electric hair clipper body;

[0009] A cutter head body is installed on the connecting piece;

[0010] A housing is sleeved on the cutter head body;

[0011] A driving motor is installed on the side end face of the housing, and a brush is arranged on the output shaft of the driving motor through a rotating shaft;

[0012] A connecting rod is sleeved in the frame, and a fixing rod is welded on the connecting rod through a connecting plate.

[0013] Preferably, an air inlet hole is opened on the top end face of the electric hair clipper body, and the air inlet hole is communicated with the electric hair clipper body. Through the communication between the air inlet hole and the electric hair clipper body, when the gas in the electric hair clipper body is extracted, air enters through the air inlet hole, so that the gas circulates to dissipate heat inside.

[0014] Preferably, the connecting piece is provided with a thread groove, and the connecting piece is installed in the electric clipper body through the thread groove. When the connecting piece is installed in the electric clipper body through the thread groove, the thread groove in the electric clipper body can cooperate with the thread groove of the connecting piece, so that the connecting piece can be rotatably installed in the electric clipper body.

[0015] Preferably, a waste discharge pipe is embedded and fixed in the bottom end surface of the shell, and the waste discharge pipe is connected to the shell. The waste discharge pipe is connected to the shell, so that the debris generated by the cleaning cutter head body can be discharged through the shell.

[0016] Preferably, the fixing rod is slidably sleeved in the electric clipper body, and the fixing rod is sleeved in the connecting piece. After the connecting piece is installed in the electric clipper body, the fixing rod is sleeved in the connecting piece for secondary limiting.

[0017] Preferably, a guide rod is welded on the connecting plate, and the guide rod is sleeved in the frame. When the connecting plate moves, both ends are sleeved in the frame by the guide rod to limit the position and avoid deviation during use.

[0018] Preferably, a return spring is installed on the connecting plate, and one end of the return spring facing away from the connecting plate is installed on the frame. By installing the end of the return spring facing away from the connecting plate on the frame, the connecting plate can be reset again by being squeezed by the return spring after being pulled to move.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0020] 1. The utility model provides a connecting piece. When a person uses the electric hair clipper body, the connecting piece can be installed in the electric hair clipper body through the threaded groove. The threaded groove in the electric hair clipper body can cooperate with the threaded groove of the connecting piece, so that the connecting piece can be rotatably installed in the electric hair clipper body. During installation, the person can pull the connecting rod to drive the connecting plate to move toward the frame so that the fixing rod can be unfolded. After unfolding, the connecting piece is installed in the electric hair clipper body. After installation, the connecting rod is loosened so that the connecting plate drives the fixing rod to be inserted into the connecting piece through the extrusion of the reset spring, thereby performing a secondary limit on the connecting piece, so that the cutter body can be disassembled by reverse operation, and it can be assembled again after disassembly, which is convenient for later replacement, and the secondary limit method can be used to avoid loosening caused by long-term use, thereby meeting the needs of later use.

[0021] 2. In the present utility model, by providing a housing, when a person uses the electric hair clipper body, the cutter head body of the electric hair clipper body can be protected by sleeving the housing. When protecting, the person can supply power to the drive motor by connecting an external power supply through a wire. When supplying power, the drive motor drives the brush through a rotating shaft to rotate. When the brush rotates, it can clean the hair debris attached to the gaps of the cutter head body, avoiding the attached debris getting stuck in the gaps and affecting reuse, thereby meeting the requirements of later maintenance and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the front view structural schematic diagram of the present utility model;

[0023] Figure 2 is the right view structural schematic diagram of the present utility model;

[0024] Figure 3 is the left view structural schematic diagram of the present utility model;

[0025] Figure 4 is the side view structural schematic diagram of the housing of the present utility model;

[0026] Figure 5 is the internal structural schematic diagram of the electric hair clipper body of the present utility model.

[0027] In the figure: 1. Electric hair clipper body; 2. Frame; 3. Cutter head body; 4. Housing; 5. Waste discharge pipe; 6. Drive motor; 7. Connecting piece; 8. Air inlet hole; 9. Switch; 10. Exhaust pipe; 11. Fan; 12. Connecting rod; 13. Guide rod; 14. Connecting plate; 15. Return spring; 16. Rotating shaft; 17. Brush; 18. Fixed rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1

[0030] As Figures 1 - 5 shown, an electric hair clipper assembly that is easy to replace the cutter head proposed by the present utility model includes an electric hair clipper body 1, a frame 2, and a connecting piece 7.

[0031] A switch 9 is installed on the top end surface of the electric hair clipper body 1;

[0032] An exhaust pipe 10 is fixedly embedded on the side end surface of the electric hair clipper body 1, and a fan 11 is arranged in the exhaust pipe 10;

[0033] Frames 2 are installed at both the front and rear ends of the electric clipper body 1;

[0034] A cutter head body 3 is installed on the connecting piece 7;

[0035] A housing 4 is sleeved on the cutter head body 3;

[0036] A driving motor 6 is installed on the side end face of the housing 4, and a brush 17 is arranged on the output shaft of the driving motor 6 through a rotating shaft 16;

[0037] A connecting rod 12 is sleeved in the frame 2, and a fixing rod 18 is welded on the connecting rod 12 through a connecting plate 14.

[0038] Thread grooves are formed in the connecting piece 7, and the connecting piece 7 is installed in the electric clipper body 1 through the thread grooves. When the connecting piece 7 is installed in the electric clipper body 1 through the thread grooves, the thread grooves in the electric clipper body 1 can be fitted with the thread grooves of the connecting piece 7, so that the connecting piece 7 can be rotatably installed in the electric clipper body 1.

[0039] The fixing rod 18 is slidably sleeved in the electric clipper body 1, and the fixing rod 18 is sleeved in the connecting piece 7. By sleeving the fixing rod 18 in the connecting piece 7, after the connecting piece 7 is installed in the electric clipper body 1, secondary limiting is carried out through the fixing rod 18 sleeved in the connecting piece 7.

[0040] A guide rod 13 is welded on the connecting plate 14, and the guide rod 13 is sleeved in the frame 2. By sleeving the guide rod 13 in the frame 2, when the connecting plate 14 moves, both ends are limited by the guide rod 13 sleeved in the frame 2 to avoid deviation during use.

[0041] A return spring 15 is installed on the connecting plate 14, and one end of the return spring 15 away from the connecting plate 14 is installed on the frame 2. By installing one end of the return spring 15 away from the connecting plate 14 on the frame 2, after the connecting plate 14 is pulled to move, it can be reset again through the extrusion of the return spring 15.

[0042] Based on Embodiment 1: When a person uses the electric hair clipper body 1 and installs the connecting piece 7 in the electric hair clipper body 1 through the threaded groove, the threaded groove in the electric hair clipper body 1 can be fitted with the threaded groove of the connecting piece 7, so that the connecting piece 7 can be rotatably installed in the electric hair clipper body 1. When installing, the person can pull the connecting rod 12 to drive the connecting plate 14 to move towards the frame 2, so that the fixing rod 18 can be unfolded. After unfolding, the connecting piece 7 is installed in the electric hair clipper body 1. After installation, release the connecting rod 12, and the connecting plate 14 drives the fixing rod 18 to be inserted into the connecting piece 7 under the extrusion of the return spring 15, thereby performing secondary limiting on the connecting piece 7. Thus, the knife head body 3 part can be disassembled by reverse operation. After disassembly, it can be assembled again, which is convenient for later replacement, and can avoid loosening and falling off caused by long-term taking and using through the secondary limiting method.

[0043] Embodiment Two

[0044] As Figures 1 - 5 shown, an electric hair clipper assembly with an easily replaceable knife head proposed by the present utility model, compared with Embodiment 1, this embodiment further includes: an electric hair clipper body 1, a frame 2, and a connecting piece 7.

[0045] A switch 9 is installed on the top end surface of the electric hair clipper body 1.

[0046] An exhaust pipe 10 is embedded and fixed on the side end surface of the electric hair clipper body 1, and a blower 11 is arranged in the exhaust pipe 10. By setting the blower 11, when a person presses the switch 9 on the electric hair clipper body 1, the switch 9 is connected to the battery in the electric hair clipper body 1 through a wire to turn on the driving mechanism and the blower 11 at the knife head body 3 part, so that the blower 11 extracts the gas in the electric hair clipper body 1. When the gas in the electric hair clipper body 1 is extracted, it enters through the air inlet hole 8. When entering the air, the internal gas flows, is extracted and discharged to dissipate heat inside.

[0047] Frames 2 are installed at both the front and rear ends of the electric hair clipper body 1.

[0048] A knife head body 3 is installed on the connecting piece 7.

[0049] A housing 4 is sleeved on the knife head body 3.

[0050] A driving motor 6 is installed on the side end surface of the housing 4, and a brush 17 is arranged on the output shaft of the driving motor 6 through a rotating shaft 16.

[0051] A connecting rod 12 is sleeved in the frame 2, and a fixing rod 18 is welded on the connecting rod 12 through a connecting plate 14.

[0052] An air inlet hole 8 is provided on the top end surface of the electric clipper body 1, and the air inlet hole 8 is communicated with the electric clipper body 1. Through the communication between the air inlet hole 8 and the electric clipper body 1, when the gas in the electric clipper body 1 is extracted, air intake is carried out through the air inlet hole 8, so that the gas circulates to dissipate heat inside. A filter screen can be installed in the air inlet hole 8 during heat dissipation to prevent dust and sundries from entering the interior.

[0053] A waste discharge pipe 5 is fixedly embedded in the bottom end surface of the housing 4, and the waste discharge pipe 5 is communicated with the housing 4. Through the communication between the waste discharge pipe 5 and the housing 4, the debris generated by the cleaning cutter head body 3 can be discharged through the housing 4.

[0054] Based on Embodiment 2: When a person uses the electric clipper body 1, the cutter head body 3 of the electric clipper body 1 can be protected by sleeving the housing 4. During protection, the person can supply power to the drive motor 6 by connecting an external power supply with a wire. When power is supplied, the drive motor 6 drives the brush 17 to rotate through the rotating shaft 16. When the brush 17 rotates, it can clean the hair debris attached in the gaps of the cutter head body 3 to prevent the attached debris from being stuck in the gaps and affecting reuse.

[0055] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. An electric hair clipper assembly with easily replaceable blade head, comprising an electric hair clipper body (1), a frame (2) and a connecting piece (7), characterized in that: A switch (9) is installed on the top surface of the electric hair clipper body (1); An exhaust pipe (10) is embedded and fixed in the side end surface of the electric hair clipper body (1), and a fan (11) is arranged in the exhaust pipe (10); Frames (2) are installed at both the front and rear ends of the electric hair clipper body (1); The cutter head body (3) is mounted on the connecting member (7); The cutter head body (3) is sleeved with a housing (4); A driving motor (6) is installed on the side end surface of the housing (4), and bristles (17) are arranged on the output shaft of the driving motor (6) via a rotating shaft (16); A connecting rod (12) is sleeved in the frame (2), and a fixing rod (18) is welded to the connecting rod (12) via a connecting plate (14).

2. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: An air inlet (8) is provided on the top surface of the electric hair clipper body (1), and the air inlet (8) is in communication with the electric hair clipper body (1).

3. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: The connecting piece (7) is provided with a thread groove, and the connecting piece (7) is installed in the electric hair clipper body (1) via the thread groove.

4. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: A waste discharge pipe (5) is embedded and fixed in the bottom end surface of the shell (4), and the waste discharge pipe (5) is in communication with the shell (4).

5. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: The fixing rod (18) is slidably sleeved in the electric hair clipper body (1), and the fixing rod (18) is sleeved in the connecting piece (7).

6. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: A guide rod (13) is welded to the connecting plate (14), and the guide rod (13) is sleeved in the frame (2).

7. The electric hair clipper assembly with easily replaceable blade head according to claim 1, characterized in that: A return spring (15) is installed on the connecting plate (14), and one end of the return spring (15) facing away from the connecting plate (14) is installed on the frame (2).