Tool bit left-right swing mechanism and defeatherer
By using a pivot shaft rotation mechanism and a torsion spring structure, combined with a limiting protrusion and a stop design, the stability problem of the left-right swinging structure of the blade head is solved, resulting in a stable and aesthetically pleasing blade head design suitable for epilators, hair clippers, and shavers.
Patent Information
- Application Number
- CN202423017451.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In existing technologies, the left-right swinging structure of the cutter head requires a large amount of space to move and is prone to wobbling, resulting in poor stability.
It adopts a pivot shaft rotation and torsion spring structure, combined with a limiting protrusion and stop design, to achieve stable left and right swing and rebound of the cutter head.
It achieves stable left-right swing of the cutter head, avoiding wobbling, improving stability and aesthetics, and is suitable for various cutter head types.
Smart Images

Figure CN223456044U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hair repair technical field, especially point to a knife head left and right swing mechanism and depilator. BACKGROUND
[0002] The knife head is the head of the cutter, which is mainly used for cutting. A floating device of a shaver is disclosed in CN110355790A, which comprises a knife head and a knife body, and a floating device is installed between the knife head and the knife body. The floating device comprises a floating frame, a support, a spring and a floating fixing frame. The floating frame comprises a bracket, a support leg and a crossbar. The bracket is arc-shaped and fixed to the knife head. The support leg extends from the lower end of the bracket. The crossbar is fixed to the waterproof ring on one side of the support leg. The support comprises a U-shaped frame and a waterproof ring. The waterproof ring is fixed to the U-shaped frame. The U-shaped frame has mounting blocks at both ends, and one end of the spring is fixed below the mounting blocks. First and second recesses are formed in the mounting blocks. There is a gap between the two sides of the mounting blocks and the inner wall of the knife body. The support leg is fixed in the second recess. The other end of the spring is fixed to the floating fixing frame. The floating fixing frame is L-shaped and half-encloses the spring. The support leg can swing left and right in the second recess. This swing structure needs a large space for movement in the knife body to swing left and right, and it is also prone to forward and backward movement when moving. SUMMARY
[0003] The utility model discloses a kind of knife head left and right swing mechanisms, and the knife head can be stably swung left and right, and also through torsion spring, the knife head can be stably swung left and right.
[0004] The technical scheme of the utility model discloses a kind of knife head left and right swing mechanisms, including support and knife head, the knife head is cooperated with support by fulcrum shaft, to realize that the knife head can be stably swung left and right, still be equipped with the elastic member that can be used to reset the knife head, the elastic member is torsion spring, the middle part of torsion spring is mounted on the knife head, and its left and right side spring foot is in abutment with support, or the middle part of torsion spring is mounted on support, and its left and right side spring foot is in abutment with the knife head.
[0005] By using the above technical scheme, when using, since the knife head is cooperated with support by fulcrum shaft, to realize that the knife head can be stably swung left and right, and also through torsion spring, the knife head can be stably swung left and right.
[0006] Further setting of the utility model discloses: the support has groove or limit protruding block, and corresponding limit protruding block or groove is formed on the knife head, the limit protruding block is inserted in groove, and can be reciprocating swing left and right relative to groove.
[0007] By using the above further setting, by the activity of limit protruding block in groove, the left and right swing angle of the knife head can be limited.
[0008] Further, the utility model discloses: the support has left and right two blocking parts, the cutter head has spring post, the middle part of torsion spring is set on spring post, and the left and right two spring feet of it still extend downward, and a pair of blocking parts respectively with the inside of two spring feet lower part are in abutment.
[0009] By a pair of blocking parts respectively abutting on spring foot, the above-mentioned further setting is adopted, is convenient for when the cutter head left and right swing cooperation extruding spring foot, thereby drives cutter head reset.
[0010] Further, the utility model discloses: the support has one pair of support plates in front and back two ends, the cutter head has two swing arms, and the two swing arms of cutter head are respectively connected through fulcrum shaft rotation with a pair of support plates.
[0011] The above-mentioned further setting is adopted, and the two swing arms are connected with a pair of support plates rotation, and the stability is high.
[0012] Further, the utility model discloses: two swing arms are located in the inside of a pair of support plates, and power transmission space is still formed between two swing arms, and the fulcrum shaft is used to with the pivot joint hole on support plate pivot joint on the outside of two swing arms, and the limiting lug is equipped on the fulcrum shaft, and the slot for limiting lug insertion is on support plate, and the slot is communicated with pivot joint hole, and the spring post for torsion spring middle part set is still on the lower part of swing arm outside.
[0013] The above-mentioned further setting is adopted, and the hinge installation of swing arm and support plate is convenient, and power transmission space can be used for the accommodation installation of transmission device, thereby driving the cutting work of cutter head.
[0014] Further, the utility model discloses: the cutter head is epilator cutter head, hair clipper cutter head or razor cutter head.
[0015] The above-mentioned further setting is adopted, and the cutter head can be diversified setting, is applicable to different machines.
[0016] The utility model discloses a kind of epilators with cutter head left and right swing mechanism to overcome the defects of prior art.
[0017] The utility model discloses a kind of epilators with cutter head left and right swing mechanism, including cutter body and cutter head left and right swing mechanism, the cutter body is built-in power source, the cutter head has cutter shell, cutter holder and the clamping hair cutter group on cutter holder, which is driven by the power source, the cutter shell upper end has the cutter opening for clamping hair cutter group exposure, and the cutter shell or cutter holder is connected with support through fulcrum shaft rotation, the support is installed on cutter body, and there is spherical cavity on the top of cutter body, the movable head sleeve that is adapted with spherical cavity is further equipped on the bottom of cutter shell, and the movable head sleeve can rotate left and right in spherical cavity.
[0018] By adopting the technical scheme, the support is fixed or integrally arranged on the cutter body, the cutter head can stably swing left and right, the cutter head can be stably swung left and right and rebounded by the torsional spring, when the cutter head swings, the movable head at the bottom of the cutter head is sleeved in the spherical cavity of the cutter body and rotates left and right, the two are not disconnected, dust and water cannot enter, and the appearance is high. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a cutter head left and right swing mechanism structure diagram in the embodiment of the utility model;
[0020] Figure 2 It is a swing arm and support plate connection diagram in the embodiment of the utility model;
[0021] Figure 3 It is a swing arm structure diagram in the embodiment of the utility model;
[0022] Figure 4 It is a support structure diagram in the embodiment of the utility model;
[0023] Figure 5 It is a hair puller structure diagram in the embodiment of the utility model;
[0024] Figure 6 It is a cutter head and cutter body split diagram in the embodiment of the utility model.
[0025] In the drawing: support 1, cutter head 2, fulcrum shaft 3, elastic member 4, groove 51, limiting lug 52, blocking part 11, spring column 21, blocking piece 22, support plate 12, swing arm 23, pivot connection hole 121, cutter body 6, cutter shell 2A, cutter holder, clamping cutter set 2C, cutter edge 2A1, spherical cavity 61, movable head sleeve 2A2. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0027] As Figures 1-4As shown, the utility model discloses a tool bit left and right swing mechanism, including support 1 and tool bit 2, tool bit 2 and support 1 are formed by fulcrum shaft 3 rotation cooperation to realize that tool bit 2 can swing left and right, still be equipped with the elastic member 4 that can be used for reset tool bit 2, the elastic member 4 is torsion spring, and the left and right two side spring feet 41 of torsion spring are abutted with support 1, or the middle part of torsion spring is equipped with on support 1, and the left and right two side spring feet 41 of its are abutted with tool bit 2. Specifically, the support 1 has groove 51 or limit bump 52 on, and tool bit 2 has corresponding limit bump 52 or groove 51 on, the limit bump 52 is inserted in groove 51, and can swing left and right reciprocating relative to groove 51. The " groove 51 " is sector groove, specifically, the support 1 has left and right two blocking parts 11 on, the tool bit 2 has spring column 21 on, and blocking piece 22 is also equipped with on the left and right sides of spring column, the middle part of torsion spring is sleeved on spring column 21, and the left and right two side spring feet 41 of its still extend downward through the gap between blocking piece 22 and spring column 21, and a pair of blocking parts 11 are respectively abutted with the inside of the lower part of two spring feet 41.
[0028] Specifically, the front and rear ends of the support 1 have a pair of support plates 12, the tool bit 2 has two swing arms 23, and the two swing arms 23 of the tool bit 2 are rotatably connected to the pair of support plates 12 through fulcrum shafts 3. The two swing arms 23 are located on the inner side of the pair of support plates 12, and a power transmission space is formed between the two swing arms 23. The fulcrum shafts 3 are integrally formed on the outer sides of the two swing arms 23 and are pivotally connected to the pivot holes 121 in the support plates. Limiting protrusions 52 are integrally arranged on the fulcrum shafts 3. Grooves 51 are formed in the support plates 12 for the limiting protrusions to be inserted. The grooves 51 are in communication with the pivot holes 121. Spring columns 21 are integrally formed on the lower parts of the outer sides of the swing arms 23 for the torsion springs to be sleeved thereon.
[0029] Specifically, the tool bit is a depilator tool bit, a hair clipper tool bit, or a razor tool bit.
[0030] When in use, the tool bit 2 and the support 1 are rotatably connected through the fulcrum shafts 3, so that the tool bit 2 can stably swing left and right. The torsion spring can also stably drive the tool bit 2 to swing left and right and return. Specifically, when the tool bit swings to the left, the left side spring foot presses the left blocking part 11, so as to drive the tool bit to return to the right. When the tool bit swings to the right, the right side spring foot presses the right blocking part 11, so as to drive the tool bit to return to the left.
[0031] As Figures 1-6As shown, the utility model discloses a have the left and right swing mechanism's of knife head depilator, including sword body 6 and the left and right swing mechanism of knife head, the inside of the sword body 6 is equipped with power source, and power source is generally motor, and still be equipped with circuit board, power supply in the sword body, the knife head 2 has sword shell 2A, knife rest and the clamping cutter group 2C that the knife rest is driven by the power source, the upper end of sword shell 2A has the mouth 2A1 for clamping cutter group 2C exposure, is rotated and is connected by fulcrum axle 3 through support 1 by sword shell 2A or knife rest, swing arm is fixed or integral setting on sword shell 2A or knife rest, or still be equipped with swing frame, and be equipped with two swing arms on swing frame, and swing frame and knife rest buckle or screw connection. The support 1 screw or buckle or integral mounting on sword body 6, and there is spherical recess 61 on the top of sword body 6, still be equipped with the movable head cover 2A2 that is adapted with spherical recess on the bottom of sword shell 2A, the movable head cover 2A2 can rotate left and right in spherical recess 61. Specifically, the depilator knife head structure can select CN103584455B, CN1143896A, CN101084807B, CN101332008A etc.
[0032] It needs to be explained that all directionality indications (such as up, down, front, back, etc.) in the description of the utility model are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.
[0033] In addition, in the description of the utility model, the meaning of "several" and "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.
[0034] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "coupling", "connection", "fixing" should be understood broadly, for example, can be fixed connection, or can be detachable connection, or integral; can be directly connected, or indirectly connected through intermediate medium, can be the communication or interaction relationship of two elements inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
Claims
1. A tool bit left and right swing mechanism comprising a support (1) and a tool bit (2), characterized in that: The cutter head (2) and the support (1) are rotatably connected by the fulcrum shaft (3) to enable the cutter head (2) to swing left and right, and an elastic member (4) is arranged to reset the cutter head (2), the elastic member (4) is a torsion spring, the middle part of the torsion spring is arranged on the cutter head (2), and the left and right spring legs (41) of the torsion spring abut against the support (1), or the middle part of the torsion spring is arranged on the support (1), and the left and right spring legs (41) of the torsion spring abut against the cutter head (2).
2. The blade head left and right swing mechanism according to claim 1, characterized in that: The support (1) is provided with a groove (51) or a limiting protrusion (52), and the cutter head (2) is provided with a corresponding limiting protrusion (52) or a groove (51), the limiting protrusion (52) is inserted into the groove (51) and can reciprocatingly swing left and right relative to the groove (51).
3. The blade tilting mechanism according to claim 1, wherein: The support (1) is provided with two left and right blocking portions (11), the cutter head (2) is provided with a spring column (21), the middle part of the torsion spring is sleeved on the spring column (21), the left and right spring legs (41) of the torsion spring further extend downward, and the two blocking portions (11) respectively abut against the inner sides of the lower parts of the two spring legs (41).
4. The mechanism for swinging a tool head to left and right according to claim 1 or 2 or 3, characterized in that: The support (1) is provided with a pair of support plates (12) at the front and rear ends, the cutter head (2) is provided with two swing arms (23), and the two swing arms (23) of the cutter head (2) are respectively rotatably connected to the pair of support plates (12) by the fulcrum shaft (3).
5. The blade tilt mechanism according to claim 4, wherein: The two swing arms (23) are located on the inner sides of the pair of support plates (12), and a power transmission space is formed between the two swing arms (23), the fulcrum shaft (3) is arranged on the outer sides of the two swing arms (23) and is used for being pivotally connected to the pivot connection holes (121) on the support plates, the limiting protrusion (52) is arranged on the fulcrum shaft (3), the support plate (12) is provided with the groove (51) for inserting the limiting protrusion, the groove (51) is communicated with the pivot connection hole (121), and the spring column (21) for sleeving the middle part of the torsion spring is further arranged on the lower part of the outer side of the swing arm (23).
6. The mechanism for swinging a tool head to left and right according to claim 1 or 2 or 3, characterized in that: The cutter head is a depilator cutter head, a hair clipper cutter head or a shaver cutter head.
7. A depilator having a mechanism for swinging a cutter head to the left and right, characterized by: The hair clipper comprises a cutter body (6) and the cutter head left and right swinging mechanism in any one of claims 1 to 5, the cutter body (6) is internally provided with a power source, the cutter head (2) is provided with a cutter shell (2A), a cutter holder and a clamping cutter set (2C) driven by the power source, the cutter shell (2A) is provided with a cutter opening (2A1) at the upper end for exposing the clamping cutter set (2C), the cutter shell (2A) or the cutter holder is rotatably connected to the support (1) by the fulcrum shaft (3), and the support (1) is mounted on the cutter body (6).
8. The epilator having a mechanism for swinging the head left and right according to claim 7, characterized in that: The cutter body (6) is provided with a spherical recess (61) at the top, and the bottom of the cutter shell (2A) is further provided with a movable head sleeve (2A2) matched with the spherical recess, the movable head sleeve (2A2) can rotate left and right in the spherical recess (61).
Citation Information
Patent Citations
Electric hair drawing device
CN101084807B
Defeatherer
CN101332008A
a hair puller
CN103584455B
Floating device of shaver
CN110355790A
Device for removing hair
CN1143896A