Tool bit tooth spacing adjusting mechanism and trimming device

Abstract

The utility model provides a tool bit tooth spacing adjusting mechanism and a trimming device, which comprise an upper blade, a lower blade, a shell and an adjusting component, the upper blade and the lower blade are respectively directly or indirectly arranged on the shell; the adjusting assembly comprises a sliding plate, an adjusting handle, a support assembly and a handle screw, the adjusting handle comprises a rod head provided with a first through hole, one end of the handle screw penetrates through the first through hole and then penetrates through a second through hole in one side of the sliding plate, and the other end of the handle screw is connected with the support assembly in a clamped mode. The support assembly abuts against the interior of the first through hole, the rod head is connected with the sliding plate and drives the sliding block plate to move, and the sliding plate is directly or indirectly connected with the upper blade or the lower blade. The support assembly comprises a handle support and a handle elastic piece, the handle elastic piece is connected to the handle support in an inserted mode, the handle support is connected with the handle screw in a clamped mode, an annular protrusion is arranged in the first through hole, and the handle elastic piece abuts against the annular protrusion.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of trimming device, specifically, it is a cutter head tooth spacing adjusting mechanism and trimming device. BACKGROUND

[0002] The current market for trimming device such as electric clipper for trimming hair is commonly adjusted into stepless adjustment and adjustment with gear feedback.

[0003] The existing Chinese patent with the publication number CN217530916U discloses a kind of electric clipper blade distance side adjusting device, belong to the technical field of beauty and hair care appliances, it includes body, the body left side is fixedly connected with head cover, the head cover side is provided with cutter head combination, the body side is fixedly connected with gear box, the gear box side is provided with transmission part, the transmission part side is provided with adjusting key, the body side is provided with push rod, the head cover surface is provided with track groove, the track groove is provided with track protruding piece, the adjusting key is in abutment with track groove, the head cover lower end is provided with body cover.

[0004] The electric clipper with gear adjustment in prior art can produce clear and pleasant gear sound when adjusting the tooth spacing between blade through side adjusting structure, so that people can perceive whether it is in place, and also plays the function of gear self-locking, but its protection to adjusting key is general when frequently switching shaving head, and its cost is large for production enterprise. UTILITY MODEL CONTENTS

[0005] In view of the defects in prior art, the utility model aims at providing a kind of cutter head tooth spacing adjusting mechanism and trimming device.

[0006] According to the cutter head tooth spacing adjusting mechanism provided by the utility model, the upper blade and the lower blade are directly or indirectly installed on the shell body, and the adjusting assembly is arranged on the shell body.

[0007] The adjusting assembly includes sliding plate, adjusting handle, bracket assembly and handle screw, the adjusting handle includes the rod head provided with first through hole, one end of the handle screw passes through the first through hole and then passes through the second through hole on one side of the sliding plate, the other end of the handle screw is connected with the bracket assembly, the bracket assembly is in abutment in the first through hole, the rod head is connected with the sliding plate and drives the sliding block plate to move, and the sliding plate is directly or indirectly connected with the upper blade or the lower blade.

[0008] The bracket assembly includes handle bracket and handle spring sheet, the handle spring sheet is inserted on the handle bracket, the handle bracket is connected with the handle screw, the first through hole is provided with annular protrusion, and the handle spring sheet is in abutment with the annular protrusion.

[0009] Preferably, a boss is arranged on the side wall of the club head towards the sliding plate side, and the sliding plate side is further provided with a bayonet, which is communicated with the second through hole, and the boss is connected with the bayonet.

[0010] Preferably, the handle support comprises a square support, and one end of the handle screw connected with the handle support comprises a square end, and the outer surface of the square end matches the square inner hole surface of the square support.

[0011] Preferably, the handle elastic sheet comprises an arc elastic sheet, and the two side walls of the handle support are respectively provided with a groove, and the two ends of the arc elastic sheet are respectively inserted into the grooves.

[0012] Preferably, the upper blade is fastened on the shell, the shell is provided with a sliding groove, the lower blade is connected with a sliding block plate, and the sliding block plate is installed in the sliding groove.

[0013] Preferably, the lower blade is fixed on the sliding plate through a blade head fixing screw.

[0014] Preferably, the lower blade is further fastened with a guide block, and the lower blade, the guide block and the sliding plate are connected in sequence.

[0015] The bottom surface of the sliding groove is provided with a guide groove hole, and the guide block matches the guide groove hole.

[0016] Preferably, the sliding plate is provided with a compression spring, and when the shell and the upper blade are assembled, the compression spring is in contact with the upper blade and is in a compressed state.

[0017] Preferably, the adjusting handle further comprises a rod handle, which is integrally connected or fastened with the club head.

[0018] The utility model further provides a pruning device which comprises the tooth interval adjusting mechanism of the blade head.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. The handle screw is arranged to limit the rotation of the handle support, so that the handle support will not rotate with the rotation of the adjusting handle, the handle elastic sheet contacts the adjusting handle, the contact friction between the adjusting handle and the handle elastic sheet is small when the adjusting handle is rotated, the wear of the adjusting handle is small, and the service life is good.

[0021] 2. The handle elastic sheet is arranged, the annular boss of the adjusting handle extrudes the handle elastic sheet, the handle elastic sheet is slightly deformed, the handle elastic sheet rebounds and hits the adjusting handle to produce 'click, click' sound, one sound represents that a gear position is switched, the adjusting mode with gear position feedback is realized, and more definite adjusting signal can be given to the user.

[0022] 3. The utility model discloses a handle elastic sheet abuts and adjusts the handle, and the gear feedback is obvious when adjusting the cutter head, because the handle elastic sheet abuts and adjusts the handle, the adjusting handle does not rotate automatically, and has the self -locking function.

[0023] 4. The utility model discloses a adjusting mechanism, including sliding board, adjusting handle, handle screw, handle support, handle elastic sheet, its cost is low, and the reliability is better, and realizes the gear spacing adjustment with feedback.

[0024] 5. The utility model discloses a handle screw is rotated, and the handle screw is spun out, and the support assembly is separated from the adjusting handle with the spinout of handle screw, and the number of gears can be changed through the angle of adjusting handle support in the first through -hole. BRIEF DESCRIPTION OF DRAWINGS

[0025] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non - limiting embodiments with reference to the accompanying drawings:

[0026] Figure 1 It is the explosion chart that the utility model mainly embodies the cutter head gear spacing adjusting mechanism;

[0027] Figure 2 It is the sectional view that the utility model mainly embodies the cutter head gear spacing adjusting mechanism;

[0028] Figure 3 It is the three -dimensional structure diagram that the utility model mainly embodies the cutter head gear spacing adjusting mechanism;

[0029] Figure 4 It is the structure schematic diagram that the utility model mainly embodies the cutter head gear spacing adjusting mechanism;

[0030] Figure 5 It is the structure schematic diagram that the utility model mainly embodies the adjusting handle;

[0031] Figure 6 It is the structure schematic diagram that the utility model mainly embodies the sliding board.

[0032] In the drawing:

[0033] Cutter head fixing screw 1 adjusting handle 7

[0034] Lower blade 2 boss 701

[0035] Upper blade 3 handle 702

[0036] Guide block 4 stem 703

[0037] Sliding board 5 first through -hole 704

[0038] Second through -hole 501 handle support 9

[0039] handle spring 8

[0040] handle screw 10 DETAILED DESCRIPTION

[0041] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those skilled in the art, without departing from the concept of the utility model, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0042] As Figures 1 to 4 shown, according to the utility model provides a cutter head tooth spacing adjusting mechanism, including upper blade 3, lower blade 2, shell 6 and adjusting assembly, upper blade 3 and lower blade 2 are directly or indirectly installed on shell 6 respectively. Specifically, adjusting assembly includes sliding plate 5, adjusting handle 7, support assembly and handle screw 10, adjusting handle 7 includes the first through-hole 704 of the rod head 703, one end of handle screw 10 passes through the first through-hole 704 and then passes through the second through-hole 501 of one side of sliding plate 5, the other end of handle screw 10 is connected with support assembly, support assembly is abutted in the first through-hole 704, the rod head 703 is connected with sliding plate 5 and drives sliding block plate movement, and sliding plate 5 is directly or indirectly connected upper blade 3 or lower blade 2. More specifically, support assembly includes handle support 9 and handle spring 8, handle spring 8 is inserted on handle support 9, handle support 9 is connected with handle screw 10, the first through-hole 704 is provided with annular protrusion, and handle spring 8 is abutted annular protrusion.

[0043] The handle spring 8 of the adjusting mechanism of the utility model is inserted into handle support 9, forms support assembly, one end of handle screw 10 passes through support assembly and then enters the second through-hole 501 of sliding plate 5, and the shape of the other end of handle screw 10 is matched with the inner hole plane of handle support 9, so that the other end of handle screw 10 is connected with support assembly, support assembly cannot rotate relative to handle screw 10, support assembly matched with handle screw 10 is abutted in the first through-hole 704 of the rod head 703 of adjusting handle 7, adjusting handle 7 and sliding plate 5 are connected through handle screw 10, and then the rod head 703 is connected with sliding plate 5 and can drive sliding plate 5 movement. When rotating adjusting handle 7, the annular protrusion of adjusting handle 7 extrudes handle spring 8, so that handle spring 8 slightly deforms, handle spring 8 rebounds and hits adjusting handle 7 to produce'click, click'sound, and one sound represents that a gear is switched, and at the same time, due to the limiting of handle screw 10 to support assembly, support assembly does not rotate with the rotation of adjusting handle 7, so that the friction between support assembly and adjusting handle 7 is reduced, and adjusting handle 7 is less worn and has long service life.

[0044] By rotating the handle screw 10, the handle screw 10 is unscrewed, and the bracket assembly is separated from the adjusting handle 7 as the handle screw 10 is unscrewed. The number of gears can be changed by adjusting the angle of the adjusting handle bracket 9 in the first through hole 704.

[0045] Specifically, the adjusting handle 7 further comprises a lever handle 702 which is integrally connected or fastened with the lever head 703. As shown in Figure 5 Figure 6 The lever head 703 is provided with a boss 701 on the side wall of one side of the sliding plate 5, and the sliding plate 5 is also provided with a bayonet 502 which is communicated with the second through hole 501. The boss 701 is clamped with the bayonet 502. Since the handle screw 10 passes through the second through hole 501, the bayonet 502 is communicated with the second through hole 501, and the boss 701 is installed in the position of the bayonet 502 of the sliding plate 5. By rotating the lever handle 702, the lever head 703 is rotated around the handle screw 10, and the boss 701 is moved, which cooperates with the bayonet 502 to push the sliding plate 5 to move along the sliding groove of the shell 6. The sliding plate 5 drives the upper blade 3 or the lower blade 2 to move forward and backward, thereby adjusting the forward and backward positions of the upper blade 3 and the lower blade 2 and adjusting the tooth spacing of the cutter head.

[0046] Specifically, the bracket assembly comprises a handle bracket 9 and a handle spring 8, and the handle spring 8 comprises an arc spring. The two side walls of the handle bracket 9 are respectively provided with recesses, and the two ends of the arc spring are respectively inserted into the recesses. The handle bracket 9 comprises a square bracket, and one end of the handle screw 10 clamped with the handle bracket 9 comprises a square end which matches the square inner hole surface of the square bracket. The cooperation between the square inner hole of the handle bracket 9 and the square end of the handle screw 10 limits the rotation of the bracket assembly relative to the handle screw 10.

[0047] Specifically, the upper blade 3 is fastened on the shell 6, and the sliding plate 5 is provided with a compression spring. When the shell 6 is assembled with the upper blade 3, the compression spring is in contact with the upper blade 3 and is in a compressed state. By means of the compression spring, the movement of the sliding plate 5 in the forward and backward directions can be prevented, thereby affecting the stability of adjustment. The shell 6 is provided with a sliding groove, the lower blade 2 is connected with a sliding block plate, the sliding block plate is installed in the sliding groove, and the lower blade 2 is fixed on the sliding plate 5 by means of the cutter head fixing screw 1. The lower blade 2 is further fastened with a guide block 4, and the lower blade 2, the guide block 4 and the sliding plate 5 are connected in sequence. The bottom surface of the sliding groove is provided with a guide slot hole, and the guide block 4 matches the guide slot hole. By pushing the sliding plate 5 to move, the guide block 4 is moved, the guide block 4 slides along the guide slot hole, and the stability of the forward and backward movement of the lower blade 2 is realized.

[0048] ​The utility model discloses a cutter head tooth interval adjusting mechanism, through the adjusting mechanism of resetting the driving blade movement, realize cutter head tooth interval adjustment.

[0049] The utility model discloses the mode of driving sliding board 5 movement is to set the boss 701 on the inner wall of the rod head 703 of adjusting handle 7 one side towards sliding board 5, and the boss 701 is cooperated with the bayonet 502 of sliding board 5, along with the rotation of adjusting handle 7, and the rod head 703 rotates around handle screw 10, and the boss 701 rotates along the axis of handle screw 10, and sliding board 5 is pushed to move in the shell 6 slide groove with lower blade 2 and moves back and forth, realizes cutter head tooth interval adjustment.

[0050] The utility model also provides a kind of pruning device, including above-mentioned cutter head tooth interval adjusting mechanism.The utility model discloses the pruning device is not limited to electric clipper, hair trimmer etc.

[0051] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0052] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A tool bit tooth spacing adjustment mechanism characterized by, The utility model relates to a cutting head tooth spacing adjusting mechanism, comprising: an upper blade (3), a lower blade (2), a shell (6) and an adjusting assembly, the upper blade (3) and the lower blade (2) are directly or indirectly mounted on the shell (6) respectively; the adjusting assembly comprises a sliding plate (5), an adjusting handle (7), a support assembly and a handle screw (10), the adjusting handle (7) comprises a rod head (703) provided with a first through hole (704), one end of the handle screw (10) passes through the first through hole (704) and then passes through a second through hole (501) on one side of the sliding plate (5), the other end of the handle screw (10) is clamped with the support assembly, the support assembly abuts in the first through hole (704), the rod head (703) is connected with the sliding plate (5) and drives the sliding plate to move, and the sliding plate (5) is directly or indirectly connected with the upper blade (3) or the lower blade (2); the support assembly comprises a handle support (9) and a handle spring (8), the handle spring (8) is inserted on the handle support (9), the handle support (9) is clamped with the handle screw (10), and the first through hole (704) is provided with an annular protrusion, and the handle spring (8) abuts against the annular protrusion.

2. The tool bit tooth spacing adjustment mechanism of claim 1, wherein, A boss (701) is arranged on the side wall of the rod head (703) towards one side of the sliding plate (5), and a bayonet (502) is further arranged on one side of the sliding plate (5), the bayonet (502) is communicated with the second through hole (501), and the boss (701) is clamped with the bayonet (502).

3. The tool bit tooth spacing adjustment mechanism of claim 1, wherein, The handle support (9) comprises a square support, and one end of the handle screw (10) clamped with the handle support (9) comprises a square end, and the outer surface of the square end matches the square inner hole surface of the square support.

4. The tool bit tooth spacing adjustment mechanism of claim 1, wherein, The handle spring (8) comprises an arc spring, and recesses are arranged on the two side walls of the handle support (9) respectively, and the two ends of the arc spring are inserted into the recesses respectively.

5. The tool bit tooth spacing adjustment mechanism of claim 1 wherein, The upper blade (3) is fastened on the shell (6), the shell (6) is provided with a sliding groove, the lower blade (2) is connected with a sliding block plate, and the sliding block plate is installed in the sliding groove.

6. The tool bit tooth spacing adjustment mechanism of claim 5, wherein, The lower blade (2) is fixed on the sliding plate (5) through a cutter head fixing screw (1).

7. The tool bit tooth spacing adjustment mechanism of claim 6, wherein, The lower blade (2) is further fastened and connected with a guide block (4), and the lower blade (2), the guide block (4) and the sliding plate (5) are connected in sequence. A guide groove is arranged on the groove bottom surface of the sliding groove, and the guide block (4) matches the guide groove.

8. The tool bit tooth spacing adjustment mechanism of claim 5, wherein, A compression spring is arranged on the sliding plate (5), and when the shell (6) is assembled with the upper blade (3), the compression spring contacts the upper blade (3) and is in a compressed state.

9. The tool bit tooth spacing adjustment mechanism of claim 1 wherein, The adjusting handle (7) further comprises a rod handle (702), and the rod handle (702) is integrally connected or fastened with the rod head (703).

10. A trimming device, characterized in that The utility model relates to a cutting head tooth spacing adjusting mechanism, comprising: an upper blade (3), a lower blade (2), a shell (6) and an adjusting assembly, the upper blade (3) and the lower blade (2) are directly or indirectly mounted on the shell (6) respectively; the adjusting assembly comprises a sliding plate (5), an adjusting handle (7), a support assembly and a handle screw (10), the adjusting handle (7) comprises a rod head (703) provided with a first through hole (704), one end of the handle screw (10) passes through the first through hole (704) and then passes through a second through hole (501) on one side of the sliding plate (5), the other end of the handle screw (10) is clamped with the support assembly, the support assembly abuts in the first through hole (704), the rod head (703) is connected with the sliding plate (5) and drives the sliding plate to move, and the sliding plate (5) is directly or indirectly connected with the upper blade (3) or the lower blade (2); the support assembly comprises a handle support (9) and a handle spring (8), the handle spring (8) is inserted on the handle support (9), the handle support (9) is clamped with the handle screw (10), and the first through hole (704) is provided with an annular protrusion, and the handle spring (8) abuts against the annular protrusion.

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