Hair ball trimmer with protection structure

By designing a protection unit and a control unit in the wool ball trimmer, the electrical connection between the top block and the blade switch is used to ensure that the blade rotates only when used, solving the safety hazards exposed by the existing wool ball trimmer after disassembly and improving safety.

CN222948656UActive Publication Date: 2025-06-06NINGBO ZHONGHANG INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421622771.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-06-06
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing hair ball trimmer is exposed after removal, which poses a safety hazard, especially for children.

Method used

A hair ball trimmer with a protective structure is designed. By providing a protective unit and a control unit in the upper case, the electrical connection between the top block and the blade switch is ensured that the blade only rotates when used, and the blade cannot operate during disassembly to avoid safety hazards.

Benefits of technology

It effectively avoids the exposure of the blade after disassembly, reduces safety accidents caused by mistaken touch of children, and improves the safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hair ball trimmer with a protection structure, which comprises an upper shell and a lower shell, a protection unit, a control unit and a blade unit connected with the control unit are arranged in the upper shell, the lower shell is connected with the upper shell to trigger the protection unit to be electrically connected with the control unit, and the control unit drives the blade unit to rotate. According to the utility model, the structure design is reasonable, the top of the top block moves upwards to make the top of the top block abut against the blade switch, so that the blade switch and the circuit board are attached to be electrified, the situation that after the lower shell is disassembled, blades are exposed, and children are accidentally injured is avoided, and potential safety hazards are reduced.
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Description

Technical Field

[0001] The utility model relates to the field of small household electrical appliances, in particular to a lint trimmer with a protective structure. Background Art

[0002] As we all know, some clothes will pill during wearing. After pilling, the appearance of the clothes will not only be greatly reduced, but also affect the wearing experience. So most of the time, people will use lint trimming products. Lint trimmers are called differently in different places, such as lint removers, shavers, and velvet cutters. They are small appliances specially designed to remove lint from the surface of materials such as clothes and sheets, and are widely used in daily life.

[0003] Most lint trimmers have rotating blades that are very sharp and can quickly remove lint. To facilitate cleaning, the blade net and shell are usually detachable. When the user removes the blade net and shell to clean the lint inside, the blade is exposed, which may cause children to accidentally touch it and get injured, posing a safety hazard and having low safety. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a lint trimmer with a protective structure in view of the current status of the prior art.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a lint trimmer with a protective structure, including an upper shell and a lower shell, wherein a protection unit, a control unit and a blade unit connected to the control unit are arranged in the upper shell, the lower shell is connected to the upper shell, the protection unit is electrically connected to the control unit, and the control unit drives the blade unit to rotate.

[0006] Preferably, a mounting piece is provided in the upper shell, a screw connection portion for connecting to the lower shell is provided on the bottom outer edge of the mounting piece, the protection unit and the control unit are both provided on the mounting piece, the protection unit is movably provided on the mounting piece, and the blade unit is provided in the mounting piece.

[0007] Preferably, a cavity is provided on the screw-on portion, and the protection unit includes a top block movably arranged in the cavity and a leaf switch integrated on the control unit, and the top of the top block is disconnected from or contacted with the leaf switch; the lower shell is screwed to the mounting part, and the inner wall of the lower shell pushes the top block to move upward, and the top of the top block touches the leaf switch, and the leaf switch is electrically connected to the control unit, and the control unit drives the blade unit to rotate.

[0008] Preferably, the control unit includes a circuit board and a motor electrically connected to the circuit board, an output shaft is provided at the bottom of the motor, and the circuit board drives the motor to operate after being electrically connected, and the motor drives the output shaft to rotate.

[0009] Preferably, the blade unit is connected to the output shaft, and the blade unit comprises a transmission wheel connected to the output shaft and a blade connected to the transmission wheel, and a transmission shaft connected to the blade is provided at the center of the transmission wheel extending downward.

[0010] Preferably, a switch electrically connected to the circuit board is provided on the upper shell.

[0011] Preferably, a trimming net for covering the blade is snapped onto the bottom of the lower shell.

[0012] Compared with the prior art, the utility model has the advantages that the top block moves upward so that the top of the top block touches the blade switch, causing the blade switch to fit the circuit board and be energized, thereby avoiding the blade leaking out after the lower shell is disassembled, causing children to be accidentally injured, and reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the exploded structure of the utility model.

[0016] Figure numerals: 1. upper shell; 2. lower shell; 21. threaded portion; 3. mounting piece; 31. screw-on portion; 4. cavity; 5. top block; 6. blade switch; 7. circuit board; 8. motor; 81. output shaft; 9. transmission wheel; 91. transmission shaft; 10. blade; 11. switch; 12. trimming net. DETAILED DESCRIPTION

[0017] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0018] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0020] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0021] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] like Figures 1 to 3 As shown, the utility model provides a lint trimmer with a protective structure, including an upper shell 1 and a lower shell 2; specifically, a protection unit, a control unit and a blade unit connected to the control unit are provided in the upper shell 1, the lower shell 2 is connected to the upper shell 1, the protection unit is electrically connected to the control unit, and the control unit drives the blade unit to rotate.

[0023] A mounting member 3 is provided in the upper shell 1, and a screw connection portion 31 for connecting to the lower shell 2 is provided at the bottom outer edge of the mounting member 3, and a threaded portion 21 is provided on the inner wall of the lower shell 2 for screwing with the screw connection portion 31; specifically, the protection unit and the control unit are both provided on the mounting member 3, the protection unit is movably provided on the mounting member 3, and the blade unit is provided in the mounting member 3.

[0024] A cavity 4 is provided on the screw-on portion 31, and the protection unit includes a top block 5 movably arranged in the cavity 4 and a leaf switch 6 integrated on the control unit, and the top of the top block 5 is disconnected from or contacted with the leaf switch 6; specifically, the lower shell 2 is screwed onto the mounting member 3, and the inner wall of the lower shell 2 pushes the top block 5 to move upward, and the top of the top block 5 touches the leaf switch 6, and the leaf switch 6 is electrically connected to the control unit, and the control unit drives the blade unit to rotate.

[0025] The control unit includes a circuit board 7 and a motor 8 electrically connected to the circuit board 7, and an output shaft 81 is provided at the bottom of the motor 8; specifically, after the circuit board 7 is electrically connected, the motor 8 is driven to operate, and the motor 8 drives the output shaft 81 to rotate.

[0026] The blade unit is connected to the output shaft 81 , and includes a transmission wheel 9 connected to the output shaft 81 and a blade 10 connected to the transmission wheel 9 . A transmission shaft 91 connected to the blade 10 is provided downwardly extending from the center of the transmission wheel 9 .

[0027] The upper housing 1 is provided with a switch 11 electrically connected to the circuit board 7 .

[0028] A trimming net 12 for covering the blade 10 is clamped on the bottom of the lower housing 2 .

[0029] The working principle of the utility model is as follows: when the lower shell 2 is disassembled, the blade 10 is exposed, the top of the top block 5 is out of contact with the blade switch 6, the circuit board 7 is powered off, and the user cannot drive the motor 8 to operate through the switch 11, so the blade 10 cannot rotate, thereby improving safety and reducing safety accidents caused by children accidentally touching the blade 10 when the blade 10 is exposed; when the hair ball trimmer needs to be used, the threaded portion 21 on the inner wall of the lower shell 2 is screwed onto the screw-on portion 31 at the bottom outer edge of the mounting member 3. During the screwing process, the threaded portion 21 contacts the top block 5, driving the top block 5 to move upward until the top of the top block 5 contacts the blade switch 6, the blade switch 6 and the circuit board 7 are fitted and energized, the switch 11 is pressed to electrically connect the switch 11 with the circuit board 7, the electricity in the circuit board 7 is transmitted to the motor 8 electrically connected thereto, the motor 8 starts to operate, the motor 8 drives the output shaft 81 to rotate, the output shaft 81 drives the transmission wheel 9 connected thereto to rotate, and the transmission wheel 9 drives the blade 10 to rotate through the transmission shaft 91.

[0030] In the present invention, the blade switch 6 and the circuit board 7 are fitted together to energize, the switch 11 controls the electrical transmission of the circuit board 7, and the circuit board 7 is charged as an electrical carrier through an external power supply, which are all common technical means that are easy for technicians in this field to think of, so they will not be elaborated in detail.

[0031] The advantage of the utility model is that the top block 5 moves upward so that the top of the top block 5 touches the blade switch 6, so that the blade switch 6 and the circuit board 7 are in contact and energized, which avoids the blade 10 leaking out after the lower shell 2 is disassembled, causing children to be accidentally touched and injured, thereby reducing safety hazards.

[0032] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0033] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0034] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0035] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A hair ball trimmer with a protective structure, comprising an upper shell and a lower shell, characterized in that: The upper shell is provided with a protection unit, a control unit and a blade unit connected to the control unit, the lower shell is connected to the upper shell, the protection unit is electrically connected to the control unit, and the control unit drives the blade unit to rotate; A mounting piece is provided in the upper shell, and a screw connection portion for connecting to the lower shell is provided at the bottom outer edge of the mounting piece, the protection unit and the control unit are both provided on the mounting piece, the protection unit is movably provided on the mounting piece, and the blade unit is provided in the mounting piece; A cavity is provided on the screw-on portion, and the protection unit includes a top block movably arranged in the cavity and a leaf switch integrated on the control unit, and the top of the top block is disconnected from or contacted with the leaf switch; the lower shell is screwed to the mounting part, and the inner wall of the lower shell pushes the top block to move upward, and the top of the top block touches the leaf switch, and the leaf switch is electrically connected to the control unit, and the control unit drives the blade unit to rotate.

2. The lint trimmer with a protective structure according to claim 1, characterized in that: The control unit includes a circuit board and a motor electrically connected to the circuit board. An output shaft is provided at the bottom of the motor. After the circuit board is electrically connected, the motor is driven to operate, and the motor drives the output shaft to rotate.

3. The lint trimmer with a protective structure according to claim 2, characterized in that: The blade unit is connected to the output shaft, and comprises a transmission wheel connected to the output shaft and a blade connected to the transmission wheel. A transmission shaft connected to the blade is provided at the center of the transmission wheel extending downward.

4. The lint trimmer with a protective structure according to claim 2, characterized in that: The upper shell is provided with a switch electrically connected to the circuit board.

5. The lint trimmer with a protective structure according to claim 2, characterized in that: A trimming net for covering the blade is clamped on the bottom of the lower shell.