阅读说明：本技术 电推剪的刀间距微调机构 (Knife spacing fine adjustment mechanism of electric hair cutter ) 是由 王庆东 王涛 丁力 于 2021-08-13 设计创作，主要内容包括：本申请涉及修剪工具的领域,尤其是涉及一种电推剪的刀间距微调机构,其包括定刀和换挡座,换挡座设置在定刀上,定刀与换挡座之间设有微调组件,定刀上设有限位罩,微调组件设置在限位罩内。本申请在电推剪内设置微调结构,方便对定刀和动刀刀尖之间的间距进行微调,方便对头发进行更精确的裁剪。(The utility model belongs to the technical field of clipper and specifically relates to a sword interval fine-tuning of electric clipper is related to, and it includes stationary knife and shifts the seat, shifts the seat and sets up on the stationary knife, is equipped with the fine setting subassembly between stationary knife and the seat of shifting, is equipped with spacing cover on the stationary knife, and the fine setting subassembly sets up in spacing cover. This application sets up the fine setting structure in electric clipper, and the convenience is finely tuned the interval between stationary knife and the knife tip of moving the knife, and the convenience carries out more accurate tailorring to the hair.)

1. The utility model provides a sword interval fine-tuning of electric clipper, includes stationary knife (1) and gear shifting seat (3), gear shifting seat (3) set up on stationary knife (1), its characterized in that: the gear shifting device is characterized in that a fine adjustment assembly (6) is arranged between the fixed cutter (1) and the gear shifting seat (3), a limiting cover (5) is arranged on the fixed cutter (1), and the fine adjustment assembly (6) is arranged in the limiting cover (5).

2. The fine adjustment mechanism for blade pitch of electric hair clipper according to claim 1, characterized in that: fine setting subassembly (6) are including removing seat (61) and drive block (7), it sets up to remove seat (61) on stationary knife (1), shift seat (3) set up remove on seat (61), it connects chamber (13) to have seted up on seat (61) to remove, spacing hole (12) have been seted up on spacing cover (5), drive block (7) one end sets up connect in chamber (13), the other end sets up in spacing hole (12).

3. The fine adjustment mechanism for blade pitch of an electric hair clipper according to claim 2, wherein: a plurality of guide holes (10) are formed in the limiting cover (5), each guide hole (10) is long-strip-shaped, each locking bolt (9) is arranged in each guide hole (10), and each locking bolt (9) is in threaded connection with the corresponding moving seat (61).

4. The fine adjustment mechanism for blade pitch of an electric hair clipper according to claim 2, wherein: connect chamber (13) and be oval-shaped hole for the opening, drive block (7) include transmission portion (71), connecting portion (72) and cam (74), connecting portion (72) set up transmission portion (71) with between cam (74), connecting portion (72) will transmission portion (71) with cam (74) are connected, transmission portion (71) sets up in spacing hole (12), cam (74) set up connect in chamber (13).

5. The fine adjustment mechanism for blade pitch of an electric hair clipper according to claim 2, wherein: the driving block (7) comprises a transmission part (71), a connecting part (72) and a driven part (73), the connecting part (72) is arranged between the transmission part (71) and the driven part (73), the connecting part (72) is used for connecting the transmission part (71) and the driven part (73), the transmission part (71) and the driven part (73) are arranged on the connecting part (72) in a staggered mode, the transmission part (71) is arranged in the limiting hole (12), and the driven part (73) is arranged in the connecting cavity (13).

6. The fine adjustment mechanism for blade pitch of electric hair clipper according to claim 5, characterized in that: the connecting cavity (13) is a groove with a C-shaped opening.

7. The fine adjustment mechanism for blade pitch of electric hair clipper according to claim 5, characterized in that: the top surface of the transmission part (71) is provided with a jack (11) for inserting a screwdriver.

8. The fine adjustment mechanism for blade pitch of electric hair clipper according to claim 5, characterized in that: and a transmission block (14) for sleeving a wrench is arranged on the top surface of the transmission part (71).

9. The fine adjustment mechanism for blade pitch of electric hair clipper according to claim 5, characterized in that: the transmission part (71) is detachably connected with the connecting part (72).

10. The fine adjustment mechanism for blade pitch of an electric hair clipper according to claim 9, wherein: the bottom of transmission portion (71) is equipped with fixture block (15), set up on the top surface of connecting portion (72) and supply card hole (16) of fixture block (15) joint.

Technical Field

The application relates to the field of pruning tools, in particular to a fine adjustment mechanism for the blade spacing of electric clippers.

Background

An electric hair cutter is a hair cutting tool, and is one of important tools when people cut hair. With the continuous change of the aesthetic value of people, the demand on the haircut technology of hairdressers is higher when people are in hair cutting. In particular, special situations, such as for example a clap, require a high demand on the length of the hair, which requires the stylist to be able to grasp precisely the amount and length of each cut.

In order to adapt to different cutting conditions, the front-back distance between the tool points of the fixed tool and the movable tool needs to be adjusted. The existing electric hair clippers are generally provided with a gear shifting mechanism, and the distance between the tool tips of a movable tool and a fixed tool is adjusted through the gear shifting mechanism, so that the cutting amount and the cutting length are adjusted.

However, when the fixed gear is faced with the actual use condition, the fixed gear still cannot be well adapted to the use condition, and the cutting precision of the hair is not high.

Disclosure of Invention

In order to promote the precision of tailorring to the hair, this application provides a sword interval fine-tuning of electric clipper.

The application provides a sword interval fine-tuning of electric clipper adopts following technical scheme:

the utility model provides an electric clipper's sword interval fine-tuning, includes stationary knife and the seat of shifting, the seat setting of shifting is on the stationary knife, the stationary knife with it is equipped with the fine setting subassembly to shift between the seat, be equipped with spacing cover on the stationary knife, the fine setting subassembly sets up in the spacing cover.

Through adopting above-mentioned technical scheme, fine setting subassembly promotes the direction removal that shifts the seat along keeping away from or being close to the stationary knife tip, and spacing cover is connected fine setting subassembly and stationary knife, accomplishes the fine setting back to moving the sword at the fine setting subassembly, supplies the fine setting subassembly spacing fixed, makes the sword can stabilize normal operating, finally realizes the regulation to moving the sword position, promotes the precision of tailorring when haircut.

Optionally, the fine setting subassembly is including removing seat and drive block, it sets up to remove the seat on the stationary knife, it sets up to shift the seat remove on the seat, remove and seted up the connection chamber on the seat, spacing covering has seted up spacing hole, drive block one end sets up connect the intracavity, and the other end sets up spacing downthehole.

Through adopting above-mentioned technical scheme, rotate the drive block, the drive block promotes to move the seat and moves on the stationary knife, and the removal seat drives the shifting seat and removes, and then realizes moving the fine setting of sword.

Optionally, a plurality of guide holes are formed in the limiting cover, each guide hole is long in strip shape, each guide hole is internally provided with a locking bolt, and the locking bolts are in threaded connection with the movable seat.

Through adopting above-mentioned technical scheme, locking bolt will spacing cover with remove the seat and connect, remove the in-process that the seat removed on the stationary knife and drive locking bolt and slide in the guiding hole, locking bolt and guiding hole lead to the moving direction who removes the seat, promote the fine setting precision that moves the sword.

Optionally, connect the chamber and be oval-shaped hole for the opening, the drive block includes transmission portion, connecting portion and cam, connecting portion set up transmission portion with between the cam, connecting portion will transmission portion with the cam is connected, transmission portion sets up in spacing downthehole, the cam sets up connect the intracavity.

Through adopting above-mentioned technical scheme, the cam rotates the in-process and exerts thrust to the inner wall that connects the chamber, promotes to move the seat and moves on the stationary knife, realizes the fine setting to moving the sword. The coaxial setting of transmission portion, connecting portion and cam reduces the axiality error between cam and the transmission portion, reduces the error that moves the sword and adjust, further promotes the tailorring precision of hair.

Optionally, the drive block includes transmission portion, connecting portion and driven portion, connecting portion set up transmission portion with between the driven portion, connecting portion will transmission portion with the driven portion is connected, transmission portion with the driven portion dislocation set is on connecting portion, transmission portion sets up in spacing downthehole, the driven portion sets up connect the intracavity.

Through adopting above-mentioned technical scheme, transmission portion rotates and drives connecting portion and rotate, and connecting portion drive driven portion rotates, and driven portion rotates the in-process and promotes to move the seat and move on the stationary knife, realizes the fine setting to moving the sword.

Optionally, the connecting cavity is a groove with a C-shaped opening.

Through adopting above-mentioned technical scheme, connect the chamber and guide the moving direction of driven part, exert thrust to the inner wall of connecting the chamber when driven part rotates, promote to remove the seat and remove on the stationary knife, realize the fine setting to moving the sword.

Optionally, a jack for inserting a screwdriver is formed in the top surface of the transmission portion.

Through adopting above-mentioned technical scheme, utilize screwdriver drive transmission portion to rotate, conveniently rotate transmission portion.

Optionally, a transmission block for sleeving a wrench is arranged on the top surface of the transmission part.

Through adopting above-mentioned technical scheme, utilize spanner drive transmission portion to rotate, conveniently rotate transmission portion.

Optionally, the transmission part is detachably connected with the connecting part.

The transmission part is often under the direct action of external force, and the wearing and tearing of transmission part are more violent than connecting portion and driven part, and the loss of transmission part. Through adopting above-mentioned technical scheme, can change transmission portion alone, reduce the frequency that spacing cover of dismouting carries out the drive block and change, prolong the life of drive block.

Optionally, a clamping block is arranged at the bottom end of the transmission part, and a clamping hole for clamping the clamping block is formed in the top surface of the connecting part.

Through adopting above-mentioned technical scheme, the mode of fixture block and card hole joint realizes being connected dismantling of transmission portion and connecting portion, and fixture block and card hole block transmission portion pivoted trend on connecting portion simultaneously, make transmission portion drive connecting portion and rotate together, make things convenient for the transmission.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fine adjustment component pushes the gear shifting seat to move along the direction far away from or close to the tool tip of the fixed knife, and the limiting cover guides the pushing direction of the fine adjustment component, so that the position of the movable knife is adjusted, and the cutting precision during hair cutting is improved;

2. the transmission part and the connecting part are detachably connected, so that the transmission part can be conveniently replaced independently, and the service life of the driving block is prolonged.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of example 1.

Fig. 3 is an exploded view of a structure embodying a drive block.

Fig. 4 is an exploded view of a drive block structure in embodiment 2.

Fig. 5 is an exploded view of a drive block structure in embodiment 3.

Fig. 6 is an exploded view of a structure of a movable seat embodying example 4.

Fig. 7 is a schematic view showing the pitch L and the movement diameter R in example 4.

Fig. 8 is an exploded view showing the structure of the movable base in embodiment 5.

FIG. 9 is a schematic view showing the positional relationship between the movable base and the driving block in embodiment 5.

Description of reference numerals: 1. fixing a cutter; 2. moving a knife; 3. a gear shifting seat; 4. a torsion spring; 5. a limiting cover; 6. a fine tuning component; 61. a movable seat; 7. a drive block; 71. a transmission section; 72. a connecting portion; 73. a driven part; 74. a cam; 8. a drive plate; 9. locking the bolt; 10. a guide hole; 11. a jack; 12. a limiting hole; 13. a connecting cavity; 14. a transmission block; 15. a clamping block; 16. and (6) clamping the hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

Example 1

The embodiment discloses a knife spacing fine adjustment mechanism of electric hair clippers. Referring to fig. 1 and 2, the fine adjustment mechanism for blade spacing of the electric hair clipper comprises a stationary blade 1, a movable blade 2, a transmission plate 8, a torsion spring 4 and a gear shifting seat 3, wherein the movable blade 2 is arranged on the stationary blade 1, the transmission plate 8 is fixed on the movable blade 2, the gear shifting seat 3 is arranged on the stationary blade 1, the torsion spring 4 is arranged in the gear shifting seat 3, and two ends of the torsion spring 4 are arranged on the transmission plate 8. Through shifting the shifting seat 3, the shifting seat 3 pushes the torsion spring 4 to move, so as to drive the knife point of the movable knife 2 to be close to or far away from the knife point of the fixed knife 1, and the adjustment of the gear of the movable knife 2 is realized.

Referring to fig. 2 and 3, a limiting cover 5 is fixed on the fixed knife 1, a limiting hole 12 is formed in the limiting cover 5, a fine adjustment component 6 for pushing the shifting seat 3 to move is arranged between the fixed knife 1 and the shifting seat 3, and the fine adjustment component 6 is arranged in the limiting cover 5. The fine adjustment assembly 6 comprises a movable seat 61 and a driving block 7, the movable seat 61 is arranged on the fixed knife 1, and the movable seat 61 can slide on the fixed knife 1 to drive the knife tip of the movable knife 2 to be close to or far away from the knife tip of the fixed knife 1. Remove and seted up on the seat 61 and connect chamber 13, connect chamber 13 and be the hole of rectangular shape for the opening, the top of driving block 7 sets up in spacing hole 12, and the bottom setting of driving block 7 is in connecting chamber 13.

Referring to fig. 2 and 3, the driving block 7 includes a transmission portion 71, a connection portion 72, and a driven portion 73, the transmission portion 71, the connection portion 72, and the driven portion 73 are integrally formed, the connection portion 72 is block-shaped, the connection portion 72 is disposed between the transmission portion 71 and the driven portion 73 to connect the transmission portion 71 and the driven portion 73, and the transmission portion 71 and the driven portion 73 are disposed at both ends of the connection portion 72 with an interval therebetween. The transmission portion 71 is cylindrical, the transmission portion 71 is arranged in the limiting hole 12, the driven portion 73 is cylindrical, and the driven portion 73 is arranged in the connecting cavity 13. The transmission part 71 is rotated, the transmission part 71 drives the connection part 72 to rotate, the connection part 72 drives the driven part 73 to rotate, in the rotating process of the driven part 73, the driven part 73 slides in the connection cavity 13 and applies thrust to the inner wall of the connection cavity 13 to push the movable base 61 to slide on the fixed knife 1, and then the knife tip of the movable knife 2 can be driven to be close to or close to the knife tip of the fixed knife 1, so that fine adjustment of the position of the movable knife 2 is realized, and the haircut precision is improved.

Referring to fig. 2 and 3, a plurality of guide holes 10 are formed in the limiting cover 5, the guide holes 10 are countersunk, the guide holes 10 are long-strip-shaped, a locking bolt 9 is arranged in each guide hole 10, and the locking bolt 9 is in threaded connection with the movable seat 61. In a normal state, the lock bolt 9 locks the movable base 61 to the limit cover 5, and the positioning of the movable base 61 is kept stable. When the movable blade 2 needs to be adjusted, the locking bolt 9 is unscrewed, the movable seat 61 and the limiting cover 5 are loosened, the movable seat 61 can move in the limiting cover 5 under the pushing of the driving block 7, when the movable seat 61 moves, the locking bolt 9 slides in the guide hole 10, the guide hole 10 guides the moving direction of the locking bolt 9, and then the moving direction of the movable seat 61 is guided. After the fine adjustment of the movable blade 2 is completed, the locking bolt 9 is tightened again, the movable base 61 is locked in the limiting cover 5, the movable base 61 is positioned and fixed, and the stability of the movable base 61 during hair cutting is kept.

Referring to fig. 3, the top surface of the transmission portion 71 is provided with an insertion hole 11 into which a screwdriver is inserted, and the insertion hole 11 may be in a shape of a straight line, a cross, a regular hexagon, a quincunx, or the like. In the present embodiment, only quincunx is used as an example. The arrangement of the insertion holes 11 is convenient for a hairdresser to quickly finish fine adjustment of the movable knife 2 by using a corresponding screwdriver, and the adjustment efficiency of the movable knife 2 is improved.

The implementation principle of the embodiment is as follows: when the position of the movable blade 2 needs to be adjusted finely, the locking bolt 9 is loosened, the transmission part 71 of the driving block 7 is rotated by a screwdriver, the transmission part 71 and the connecting part 72 are transmitted, the driven part 73 is driven to rotate around the axis of the transmission part 71, and the movable seat 61 is further pushed to move on the fixed blade 1. The guide hole 10 and the locking bolt 9 guide the moving direction of the moving base 61, and the knife point of the movable knife 2 can only be close to or far away from the knife point of the fixed knife 1, so that the position of the movable knife 2 can be adjusted. After the adjustment of the movable knife 2 is completed, the locking bolt 9 is screwed, and the position of the movable seat 61 is positioned and fixed.

Example 2

Referring to fig. 4, embodiment 2 differs from embodiment 1 in that: the top surface of the transmission part 71 is integrally formed with a transmission block 14 for receiving a wrench. The transmission block 14 is rotated by a wrench, and the transmission block 14 drives the transmission part 71 to rotate, thereby finely adjusting the movable blade 2. Because the volume of the fine adjustment mechanism is small, the part, used for abutting against the screwdriver, in the jack 11 is small, the acting force capable of bearing is small, and after a large amount of rotating operations, the part, used for abutting against the screwdriver, in the jack 11 is easy to damage, so that the screwdriver cannot rotate the driving block 7. Through changing the card inserting hole 16 into the arrangement of the transmission block 14, even if the edge of the transmission block 14 is abraded after being used in a large quantity, the driving block 7 can be rotated in a mode of arranging a abdicating groove on the transmission block 14 for a screwdriver to insert and the like, and the service life of the driving block 7 is effectively prolonged.

The implementation principle of the embodiment is as follows: in this embodiment, the wrench is used to replace the screwdriver in embodiment 1 to drive the driving block 7, and after the transmission block 14 is worn, the driving block 7 can be used continuously by forming a recess on the transmission block 14, so that the service life of the driving block 7 is effectively prolonged.

Example 3

Referring to fig. 5, embodiment 3 differs from embodiment 1 in that: the transmission portion 71 is detachably connected to the connection portion 72. The transmission part 71 in embodiments 1 and 2 is worn more than the connection part 72 and the driven part 73 due to frequent use, and inevitably the transmission part 71 will reach the service life and have to be replaced, and the entire driving block 7 is replaced by replacing the transmission part 71 and the driven part 73, but the connection part 72 and the driven part 73 still have longer service life. Through the detachable connection of the transmission part 71 and the connecting part 72, only the transmission part 71 with a relatively serious abrasion condition needs to be replaced, and the maintenance burden of the fine adjustment mechanism can be effectively reduced.

Referring to fig. 5, a rectangular latch 15 is integrally formed on a bottom surface of the transmission portion 71, and a latch hole 16 for latching the latch 15 is formed on the connection portion 72. The fixture block 15 and the fixture hole 16 block the trend that the transmission part 71 rotates on the connecting part 72, so that the transmission part 71 can drive the connecting part 72 to rotate while rotating, and transmission from the transmission block 14 to the connecting block is realized.

In some other embodiments, the transmission portion 71 and the connection portion 72 may be made of magnetic materials, and when the transmission portion 71 approaches the connection portion 72, there are attractive forces to facilitate quick assembly and disassembly of the transmission portion 71 and the connection portion 72.

The implementation principle of the embodiment is as follows: utilize the transmission part 71 to be connected with dismantling of connecting portion 72, conveniently change transmission part 71, can in time replace the comparatively serious transmission part 71 of wearing and tearing, reduce fine-tuning's maintenance burden.

Example 4

Referring to fig. 6 and 7, embodiment 4 differs from embodiment 1 in that: the connecting cavity 13 is a groove with an opening in a C shape, and the distance L between the two ends of the connecting cavity 13 is smaller than the movement diameter R of the driven part 73. In a normal state, the driven portion 73 is provided in the intermediate portion of the connection chamber 13; when the movable knife 2 needs to be finely adjusted, the driven part 73 slides towards one end of the connecting cavity 13, thrust is applied to the inner wall of the connecting cavity 13, the movable seat 61 is pushed to move on the fixed knife 1, and fine adjustment of the movable knife 2 is finally achieved.

The implementation principle of the embodiment is as follows: when the position of the movable blade 2 needs to be adjusted finely, the locking bolt 9 is loosened, the transmission part 71 of the driving block 7 is rotated by a screwdriver, the transmission part 71 and the connecting part 72 are transmitted, the driven part 73 is driven to rotate around the axis of the transmission part 71, and the movable seat 61 is further pushed to move on the fixed blade 1. The guide hole 10 and the locking bolt 9 guide the moving direction of the moving base 61, and the knife point of the movable knife 2 can only be close to or far away from the knife point of the fixed knife 1, so that the position of the movable knife 2 can be adjusted. After the adjustment of the movable knife 2 is completed, the locking bolt 9 is screwed, and the position of the movable seat 61 is positioned and fixed.

Example 5

Referring to fig. 8 and 9, embodiment 5 differs from embodiment 1 in that: the connection cavity 13 is provided as a blind hole with an oval opening. The drive block 7 includes a transmission portion 71, a connecting portion 72, and a cam 74, the connecting portion 72 is provided in a cylindrical shape coaxial with the transmission portion 71, the cam 74 is provided coaxially with the connecting portion 72, and the transmission portion 71, the connecting portion 72, and the cam 74 are integrally formed. The transmission part 71, the connecting part 72 and the cam 74 are coaxially arranged, so that the coaxiality error of the transmission part 71 and the cam 74 is reduced, the movable blade 2 is more accurately adjusted, and the haircut precision is improved.

In a normal state, the projection of the cam 74 is directed toward the long axis direction of the connection chamber 13; when the movable blade 2 is finely adjusted, the cam 74 rotates and faces the short axis direction of the connecting cavity 13. When the cam 74 rotates, the moving base 61 is pushed to move, and then the knife tip of the movable knife 2 is driven to approach or depart from the knife tip of the fixed knife 1, so that the fine adjustment of the movable knife 2 is realized.

The implementation principle of the embodiment is as follows: when the position of the movable knife 2 needs to be adjusted finely, the locking bolt 9 is loosened, the transmission part 71 of the driving block 7 is rotated by a screwdriver, the transmission part 71 and the connecting part 72 are transmitted to drive the cam 74 to rotate, and the convex block of the cam 74 pushes the movable base 61 to move on the fixed knife 1. The guide hole 10 and the locking bolt 9 guide the moving direction of the moving base 61, and the knife point of the movable knife 2 can only be close to or far away from the knife point of the fixed knife 1, so that the position of the movable knife 2 can be adjusted. After the adjustment of the movable knife 2 is completed, the locking bolt 9 is screwed, and the position of the movable seat 61 is positioned and fixed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.