CN221384873U

CN221384873U - Stroke-adjustable transmission device and tattooing pen

Info

Publication number: CN221384873U
Application number: CN202321889227.7U
Authority: CN
Inventors: 胡伟; 鲁志国
Original assignee: Hunan Bimei Embroidery Technology Co ltd
Current assignee: Hunan Bimei Embroidery Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-07-23
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a stroke-adjustable transmission device and a tattooing pen, comprising a rotating shaft, an outer ring arranged outside the rotating shaft, a telescopic piece arranged on the outer ring and a lower top piece connected with the telescopic piece; the rotating shaft is used for being externally connected with a driving device; the outer ring can swing up and down along the rotating shaft under the action of the driving device; the telescopic piece is arranged on the outer ring in an internal and external sliding way so as to adjust the fulcrum positions of the telescopic piece and the outer ring and further adjust the stroke of the upper and lower moving of the lower top piece; and one end of the lower top piece is connected with the telescopic piece, and the other end of the lower top piece is connected with the piece to be driven and is used for driving the piece to be driven to move up and down under the action of the telescopic piece. When the stroke of the upper and lower ejection of the part to be driven is required to be regulated, the fulcrum positions of the telescopic part and the outer ring can be regulated, so that the outer ring swings up and down in the same amplitude, the up and down telescopic amplitude of the outer ring is enhanced, the up and down telescopic amplitude of the inner ring is weakened, and the stroke distance of the upper and lower movement of the lower part and the part to be driven below the lower part is shortened.

Description

Stroke-adjustable transmission device and tattooing pen

Technical Field

The utility model belongs to the field of tattooing pens, and particularly relates to a stroke-adjustable transmission device.

Background

Tattooing, also called tattooing, is performed by making a number of patterns or words on the skin by piercing the underlying layer of the skin with a colored needle, i.e. by piercing the skin and applying a pigment to the wound to impart a permanent pattern to the body, and by means of a tattooing pen.

Traditionally when carrying out tattooing work, through carrying out tattooing to different customers, the tattooing pattern that its customer required is different, makes it when carrying out tattooing different pattern tattooing, and tattooing needle need adjust at the inside depth of puncture skin, and most when adjusting the motion stroke of tattooing needle, need change the tattooing needle of different length, or take apart the tattooing pen and adjust the driving speed of driving piece and accomplish to lead to tattooing work step more, and the step is comparatively troublesome.

Therefore, how to provide a stroke-adjustable transmission device is a technical problem to be solved by the equipment.

Disclosure of utility model

In response to one or more of the above-identified deficiencies or improvements in the art, the present utility model provides a stroke-adjustable transmission and tattooing pen having the advantage of facilitating adjustment of the distance traveled by a tattooing needle.

In order to achieve the aim, the utility model provides a stroke-adjustable transmission device, which comprises a rotating shaft, an outer ring arranged outside the rotating shaft, a telescopic piece arranged on the outer ring and a lower top piece connected with the telescopic piece;

The rotating shaft is used for being externally connected with a driving device;

The outer ring can swing up and down along the rotating shaft under the action of the driving device;

the telescopic piece is arranged on the outer ring in an internal and external sliding way so as to adjust the fulcrum positions of the telescopic piece and the outer ring and further adjust the stroke of the upper and lower moving of the lower top piece;

and one end of the lower top piece is connected with the telescopic piece, and the other end of the lower top piece is connected with the piece to be driven and is used for driving the piece to be driven to move up and down under the action of the telescopic piece.

As a further improvement of the utility model, the outer side of the outer ring is provided with a convex block;

The lower part of the lug is provided with a groove, and the output end of the telescopic piece is connected inside the groove of the lug in a sliding way.

As a further improvement of the present utility model, a telescopic member includes; a lower sleeve and an upper top piece;

the lower sleeve is used for driving the upper top piece to move;

the upper top piece, the telescopic inside of locating the lower sleeve of lower extreme, and the upper end slides and locates the recess inside of lug.

As a further improvement of the utility model, the transmission device further comprises a connecting piece;

one end of the connecting piece is fixedly connected with the upper top piece, and the other end of the connecting piece is in sliding connection with the lower top piece; or one end is connected with the upper top piece in a sliding way, and the other end is fixedly connected with the lower top piece.

As a further improvement of the utility model, the transmission device also comprises a limiting piece;

the limiting piece is arranged on the lower sleeve and used for moving along with the lower sleeve;

The limiting piece is internally provided with a strip-shaped groove, and the piece to be driven is positioned in the strip-shaped groove.

In order to achieve the above purpose, the utility model also provides a tattooing pen, comprising a driving device, a transmission device, a tattooing device and an adjusting device;

the transmission device is any transmission device;

The driving device is connected with the rotating shaft;

the tattooing device is arranged below the lower top piece;

the adjusting device is connected with the lower part of the telescopic piece;

The driving device is used for driving the rotating shaft to rotate so as to drive the outer ring outside the rotating shaft to swing up and down, and further drive the upper top piece, the lower top piece connected with the upper top piece and the tattoo device arranged below the lower top piece to move up and down;

And the adjusting device is used for driving the lower sleeve to move inside and outside so as to adjust the pivot positions of the upper top piece and the outer ring and further adjust the travel distance of the tattoo device in an up-and-down moving way.

As a further improvement of the present utility model, the adjusting device includes: an adjusting cylinder and a limit groove;

The adjusting cylinder is rotatably arranged below the transmission device; preferably arranged below the telescopic member;

The limiting groove is arranged outside the adjusting cylinder and used for movably arranging the telescopic piece.

As a further improvement of the utility model, the shape of the limit groove is set to be that one end is close to the center of the circle of the adjusting cylinder and the other end is far away from the center of the circle of the adjusting cylinder.

As a further improvement of the present utility model, there is also included a syringe device comprising;

The tattooing device is positioned in the guide cylinder and is used for being ejected out from the lower part of the needle accommodating cylinder when performing up-and-down reciprocating motion.

As a further improvement of the utility model, the needle cylinder device also comprises a chute;

The sliding groove is arranged in the needle mounting cylinder and is matched with the lower end of the adjusting cylinder for being matched with the adjusting cylinder to rotate.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

According to the stroke-adjustable transmission device and the tattooing pen, the rotating shaft is driven to rotate through the external driving device, so that the outer ring outside the rotating shaft is driven to swing up and down, the telescopic piece is driven to stretch up and down, the lower top piece connected with the telescopic piece is driven to move up and down, the telescopic piece can be adjusted to move outwards when the stroke distance of the upper and lower ejection of the telescopic piece to be driven needs to be adjusted, the telescopic piece is far away from the circle center of the rotating shaft, the telescopic piece is moved outwards on the outer ring, a fulcrum between the telescopic piece and the telescopic piece is moved outwards, the outer ring swings up and down with the same amplitude, the up and down stretching amplitude of the telescopic piece positioned on the outer ring is enhanced, and the stroke distance of the upper and lower movement of the lower top piece and the telescopic piece to be driven below the lower top piece is prolonged; conversely, the telescopic part moves inwards and is close to the circle center of the rotating shaft, the telescopic part moves inwards on the outer ring to cause the pivot between the telescopic part and the outer ring to move inwards, and the outer ring swings up and down with the same amplitude, so that the amplitude of the telescopic part positioned on the inner ring to expand and contract up and down is weakened, and the stroke distance of the upper part and the lower part to-be-driven part to move up and down is shortened.

Drawings

FIG. 1 is a schematic diagram of one embodiment of a prior art tattooing pen structure;

FIG. 2 is a schematic diagram of one embodiment of an adjustable stroke transmission of the present utility model;

FIG. 3 is a schematic view of another embodiment of the adjustable stroke transmission of the present utility model;

FIG. 4 is a schematic diagram of one embodiment of a tattooing pen according to the present utility model;

FIG. 5 is a schematic view of an embodiment of an adjustment device of the tattooing pen of the present utility model;

fig. 6 is a schematic view of the structure of an embodiment of the needle cylinder device of the tattooing pen according to the present utility model.

Like reference numerals denote like technical features throughout the drawings, in particular: 1. a driving device; 2. a transmission device; 21. a rotating shaft; 22. an outer ring; 221. a bump; 23. a telescoping member; 231. a lower sleeve; 232. an upper top piece; 24. a lower top; 25. a connecting piece; 26. a limiting piece; 261. a bar-shaped groove; 3. tattooing means; 4. an adjusting device; 41. an adjustment cylinder; 42. a limit groove; 5. a needle cylinder device; 51. loading a needle cylinder; 52. a guide cylinder; 53. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, an example tattooing pen is provided, which comprises a driving device 1, a transmission device 2 and a tattooing device 3, wherein the driving device 1 is optionally but not exclusively provided with a driving piece such as a motor, the tattooing device 3 is optionally but not exclusively provided with a tool such as a tattooing needle, a tattooing knife and the like, and the driving device 1 drives the tattooing device 3 to move up and down through the transmission device 2 to complete tattooing work. However, the transmission device 2 cannot adjust the stroke, so that each time the up-and-down movement stroke of the tattooing device 3 needs to be adjusted, the tattooing device 3 with different up-and-down movement strokes needs to be replaced to realize the stroke change when the tattooing device works. The core of the utility model is to provide a stroke-adjustable transmission device 2, which is applied to any tattooing pen or other equipment in the prior art, for example, the tattooing pen, and the stroke of the up-and-down movement of the tattooing device 3, namely the depth of the tattooing, is adjusted through the transmission device which is formed in an adjustable way. It should be noted that the transmission device with adjustable travel is introduced by the tattooing pen needing to adjust the tattooing depth, but is optionally but not limited to be applied to the tattooing pen, and can also be applied to other devices, so long as the travel distance of the tattooing pen needs to be adjusted, the transmission device with adjustable travel can be adopted.

Specific: as shown in FIG. 2, the stroke-adjustable transmission device of the present utility model optionally includes, but is not limited to, a rotating shaft 21, an outer ring 22 disposed outside the rotating shaft 21, a telescopic member 23 disposed on the outer ring 22, and a lower top member 24 connected to the telescopic member 23;

A rotating shaft 21 for externally connecting the driving device 1;

An outer ring 22 which can swing up and down along the rotating shaft 21 under the action of the driving device 1;

The telescopic piece 23 is arranged on the outer ring in an inner and outer sliding way, and is preferably arranged at the lower end of the outer ring so as to adjust the fulcrum positions of the telescopic piece 23 and the outer ring 22 and further adjust the stroke of the upper and lower top piece 24;

and one end of the lower top piece 24 is connected with the telescopic piece 23, and the other end of the lower top piece is connected with the piece to be driven and is used for driving the piece to be driven to move up and down under the action of the telescopic piece.

In this embodiment, the transmission device with adjustable stroke of the present invention is provided, through the external driving device 1, the rotating shaft 21 is driven to rotate, so as to drive the outer ring 22 outside the rotating shaft 21 to swing up and down, and further drive the telescopic piece 23 to stretch up and down, so that the lower top piece 24 connected with the telescopic piece 23 moves up and down, and thus drives the piece to be driven below the lower top piece 24, optionally but not limited to the example tattoo device 3 to move up and down, when the stroke distance of the upper and lower ejection of the piece to be driven needs to be adjusted, the telescopic piece 23 can be adjusted to move outwards, which is far away from the center of the rotating shaft 21, so that the telescopic piece 23 moves outwards on the outer ring 22, resulting in the fulcrum between the two to swing up and down, and the telescopic piece 23 located on the outer ring stretches up and down to the same extent, so that the stroke distance of the upper and lower top piece 24 and the tattoo device 3 below thereof moves up and down is prolonged; conversely, the telescopic member 23 is moved inwards, which is close to the center of the rotating shaft 21, and the telescopic member 23 moves inwards on the outer ring 22, so that the fulcrum between the telescopic member and the outer ring 22 moves inwards, and the outer ring 22 swings up and down with the same amplitude, so that the amplitude of the up and down expansion of the telescopic member 23 positioned at the inner ring is weakened, and the travel distance of the up and down movement of the lower top member 24 and the member to be driven below the lower top member is shortened.

Therefore, taking the transmission device with adjustable stroke as an example, when the tattooing pen is applied to a tattooing pen, a tattooing operator only needs to slide the telescopic piece 23 inside and outside and adjust the supporting point of the telescopic piece 23 and the outer ring 22 when the tattooing pen is required to adjust the tattooing distance, and after the tattooing pen is adjusted, tattooing work can be carried out under the preset depth. The distance of the vertical reciprocating stroke of the tattooing pen can be adjusted lightly, and the tattooing pen is simple to operate, flexible and convenient. Notably, the tattooing pen of the present utility model can be applied to beauty, scalp, tattooing, and the like.

More notably, the technical core of the present invention is to provide a transmission device composed of a rotating shaft 21, an outer ring 22, a telescopic member 23 and a lower top member 24, and adjust the depth of the telescopic member 23 driving the lower top member 24 to move up and down by adjusting the fulcrum positions of the telescopic member 23 and the outer ring 22 in the transmission device 2, that is, adjust the stroke of the tattoo device 3 below the lower top member 24 to adjust the stroke distance of the tattoo device 3 in the tattoo pen, and the preferred embodiment is given below, but not limited thereto.

Preferably, as shown in fig. 3, the outer side of the outer ring 22 is optionally but not limited to provided with a protrusion 221;

The protruding block 221 is provided with a groove below, and the output end of the telescopic piece 23 is slidably connected inside the groove of the protruding block 221.

In this embodiment, a preferred embodiment of the outer ring 22 of the transmission 2 is given, which is provided with a projection 221 and a groove below the projection 221 at one side of the outer ring 22, so that the expansion member 23 can be conveniently moved inward or outward inside the groove, thereby changing the contact position between the two, i.e., the fulcrum position, and improving the convenience of stroke adjustment.

More preferably, as shown in fig. 3, the telescoping member 23, optionally but not limited to, includes: a lower sleeve 231 and an upper top 232;

A lower sleeve 231 for driving the upper top 232 to move;

The upper top 232 has a lower end telescopically disposed in the lower sleeve 231 and an upper end slidably disposed in the recess of the protrusion 221.

In this embodiment, a preferred embodiment of the telescopic member 23 is given, by adjusting the movement of the lower sleeve 231, the upper top member 232 is driven to slide in the groove of the protruding block 221, so that when the outer ring 22 swings up and down, the upper top member 232 is located at different positions in the protruding block 221, so that the contact position of the upper top member 232 and the protruding block, namely, the fulcrum position, is changed, and the telescopic distance of the upper top member 232 in the lower sleeve 231 is driven to change when the outer ring 22 swings up and down, specifically; when the fulcrum moves from the outer ring to the inner ring, the travel distance is shortened; when the inner ring moves to the outer ring, the stroke distance becomes longer, and the stroke distance of the up-and-down movement of the tattooing apparatus 3 is changed.

More preferably, as shown in fig. 3, the transmission 2, optionally but not limited to, includes; a connecting member 25;

A connecting member 25 having one end fixedly connected to the upper top member 232 and the other end slidably connected to the lower top member 24; or one end is slidably coupled to the upper member 232 and the other end is fixedly coupled to the lower member 24. Specifically, as shown in fig. 3, a preferred embodiment of the connecting member 25 is shown, wherein the connecting member 25 is optionally, but not limited to, a connecting rod, and has a through hole at one end thereof, and is sleeved on the upper top member 232, and the other end thereof is disposed through the lower top member 24 so as to slidably connect with the lower top member 24.

In this embodiment, the transmission device 2 of the present invention further comprises a connecting member 25 for adjusting the movement of the lower sleeve 231, and is always connected to the lower top member 24 when the lower top member 24 is closed, and when the position of the fulcrum is adjusted, the distance between the upper top member 232 and the lower top member 24 is quickly and conveniently changed, and the depth that the upper top member 232 drives the lower top member 24 to move up and down is adjusted.

More preferably, as shown in fig. 3, the transmission 2 may optionally include, but is not limited to, a stop 26;

a limiting member 26, disposed on the lower sleeve 231, for moving along with the lower sleeve 231;

The limiting piece 26 is internally provided with a bar-shaped groove 261, and the tattooing device 3 is positioned in the bar-shaped groove 261.

In this embodiment, a plurality of specific preferred embodiments of the transmission device 2 are provided, and when the lower sleeve 231 is adjusted to move, the upper top piece 232 inside the lower sleeve 231 is moved by the connecting piece 25 connected with the upper top piece 232, so that the pivot position of the upper top piece 232 in the groove inside the protruding block 221 is changed, and when the outer ring 22 and the protruding block 221 swing up and down, the amplitude of the sliding of the upper top piece 232 inside the lower sleeve 231 is changed according to the different pivot positions of the upper top piece 232 on the protruding block 221, so that the amplitude of the up and down movement of the lower top piece 24 connected with the upper top piece 232 through the connecting piece 25 and the tattooing device 3 below the lower top piece 24 are changed.

4-6, There is also provided a tattooing pen, optionally but not limited to, comprising a driving means 1, a transmission means 2, a tattooing means 3 and an adjusting means 4, based on the inventive concept of the transmission means of the present utility model with adjustable stroke;

the transmission device 2 is any transmission device;

a driving device 1 connected to the rotation shaft 21;

A tattooing apparatus 3 disposed under the lower top member 24;

An adjusting device 4 connected with the lower part of the telescopic piece 23;

The driving device 1 is used for driving the rotating shaft 21 to rotate so as to drive the outer ring 22 outside the rotating shaft 21 to swing up and down, and further drive the upper top piece 232, the lower top piece 24 connected with the upper top piece 232 and the tattooing device 3 arranged below the lower top piece 24 to move up and down;

The adjusting device 4 is used for driving the lower sleeve 231 to move inside and outside so as to adjust the pivot positions of the upper top piece 232 and the outer ring 22, and further adjust the travel distance of the tattoo device 3 moving up and down.

Specific one, drive device 1

Preferably, as shown in fig. 4, the driving device 1 is optionally but not limited to provided with a motor, and the motor can be driven by an external driving power source, or a built-in wireless power source, a battery or the like, so that the motor drives the rotating shaft 21 to rotate to drive the outer ring 22 thereof to swing up and down. Specifically, the model, size, power source and the like of the motor can be arbitrarily selected according to actual tattooing requirements, and can be powered by a battery, charged and the like.

2. Tattooing device 3

Preferably, as shown in fig. 4, the tattooing apparatus 3 is optionally, but not limited to, tattooing tools such as tattooing needles, tattooing knives, etc., preferably via the driving device 1, the transmission device 2, such as; the rotating shaft 21, the outer ring 22, the upper top piece 232, the connecting piece 25 and the lower top piece 24 are sequentially driven to move up and down to complete tattooing work.

3. Adjusting device 4

Preferably, as shown in fig. 5, the adjusting device 4, optionally but not limited to, comprises an adjusting cylinder 41 and a limit groove 42;

An adjustment cylinder 41 rotatably provided below the transmission device 2; preferably below the telescopic element 23;

A limiting groove 42, which is arranged outside the adjusting cylinder 41 and is used for movably arranging the telescopic piece 23; the lower sleeve 231 of the telescopic member 23 is preferably arranged in the limit groove 42.

More specifically, the shape of the limiting groove 42 is optionally, but not limited to, a shape with one end close to the center of the adjusting cylinder 41 and the other end far from the center of the adjusting cylinder 41; more preferably, the device is arc-shaped;

When the adjusting cylinder 41 is rotated, the lower end of the telescopic member 23, preferably the lower sleeve 231 is located in the limiting groove 42, and taking the shape of the limiting groove 42 as an example in fig. 5 as an example, when the adjusting cylinder 41 rotates clockwise, the telescopic member 23 moves outwards and away from the center of a circle, the telescopic member 23 moves outwards on the outer ring 22, so that a fulcrum between the telescopic member 23 moves outwards, the outer ring 22 swings up and down with the same amplitude, the up and down telescopic amplitude of the telescopic member 23 located on the outer ring is enhanced, and the travel distance of the up and down movement of the lower top member 24 and the tattooing device 3 below the lower top member is prolonged; conversely, when the adjusting cylinder 41 rotates counterclockwise, the telescopic member 23 moves inwards, approaching the center of the circle, and the telescopic member 23 moves inwards on the outer ring 22, so that the pivot between the telescopic member and the outer ring 22 moves inwards, and the outer ring 22 swings up and down with the same amplitude, so that the amplitude of the up and down expansion of the telescopic member 23 positioned on the inner ring is weakened, and the travel distance of the up and down movement of the lower top member 24 and the tattooing device below the lower top member is shortened. Therefore, when the tattooing pen is required to adjust the travel distance, the tattooing pen can perform tattooing work under a predetermined travel after the tattooing pen is adjusted by rotating the adjusting cylinder 41 to adjust the pivot point of the telescopic member 23 and the outer ring 22.

More preferably, as shown in fig. 2-3, the telescopic member 23 is inserted and sleeved with the adjusting cylinder 41, the adjusting cylinder 410-80 ° is rotated to drive the lower sleeve 231 to move longitudinally, the upper top member 232 is linked to move, and the lever fulcrum positions of the upper top member 232 and the protruding block 221 are changed, so that the depth of the up-and-down movement amplitude of the tattooing device 3 is changed, and the adjustment of the depth is performed by 2.3MM-4.2 MM.

In this embodiment, a plurality of specific preferred embodiments of the adjusting device 4 are provided, the adjusting cylinder 41 will drive the lower end of the telescopic member 23 after rotating, and the lower sleeve 231 moves in the track of the limiting groove 42, so that the upper top piece 232 at the upper end of the telescopic member 23 moves transversely inside the protruding block 221 according to the shape design of the limiting groove 42, and the position of the fulcrum of the upper top piece 232 in the protruding block 221 is changed.

4. Needle cylinder device 5

Preferably, as shown in fig. 6, a tattooing pen according to the present utility model, optionally but not limited to, includes a needle cartridge assembly 5, including;

The tattooing device 3 is positioned in the guide cylinder 52 and is used for ejecting the tattooing device 3 from the lower side of the needle accommodating cylinder 51 when performing up-and-down reciprocating motion, and the guide cylinder 52 limits the tattooing device 3 when moving so as to prevent the tattooing device 3 from shaking when moving.

More preferably, as shown in fig. 6, the chute 53 is optionally but not limited to disposed inside the device cylinder 51 and cooperates with the lower end of the adjustment cylinder 41 for cooperating with the adjustment cylinder 41 for rotation.

In this embodiment, a specific preferred embodiment of the needle cylinder device 5 is given, and the tattooing device 3 is restrained by the guide cylinder 52 during the up-and-down reciprocating movement of the tattooing device 3, so as to prevent the tattooing device 3 from shaking during the movement, and to be ejected from the lower side of the needle cylinder 51 during the movement, so that a user can perform tattooing work by holding the needle cylinder 51.

According to the tattooing pen with adjustable depth, the driving device 1 is electrified and started to drive the rotating shaft 21 to rotate, so that the outer ring 22 swings up and down, the upper top piece 232 in the protruding block 221 is driven to stretch and retract in the lower sleeve 231, the connecting piece 25 connected with the upper top piece 232 and the lower top piece 24 are driven to move up and down, and the tattooing device 3 below the lower top piece 24 reciprocates up and down in the guide cylinder 52, so that tattooing work is completed. When the distance of travel of the tattoo device 3 ejected from the lower portion of the needle accommodating tube 51 needs to be adjusted, the lower sleeve 231 can be moved transversely according to the track of the limit groove 42 by rotating the adjusting tube 41, so that the upper top piece 232 moves transversely in the protruding block 221, and the fulcrum position is changed, when the protruding block 221 swings up and down, the upper top piece 232 is located at different fulcrum positions in the protruding block 221, so that the distance of travel of the protruding block 221 for driving the upper top piece 232 to move up and down is different, and the amplitude travel of the up and down movement of the tattoo device 3 under the lower top piece 24 is adjusted.

It should be noted that, the tattooing pen with adjustable depth according to the present invention drives the telescopic member 23 to move inside and outside based on the adjusting device, so as to adjust the pivot positions of the telescopic member 23 and the outer ring 22, and further adjust the travel distance of the tattooing device moving up and down, but the specific embodiment is not limited by the text and the drawings, and the specific embodiment only provides a manner that the adjusting device is an adjusting cylinder 41 and an eccentric limiting groove 42, and drives the telescopic member 23 to move inside and outside by rotating clockwise and counterclockwise, so as to adjust the pivot positions of the telescopic member and the outer ring 22. Illustratively, to achieve the fulcrum position adjustment of the telescoping member 23 and the outer ring 22, the specific structure of the tattooing pen of the present invention is also optional but not limited to:

The adjusting cylinder 41 is provided with a pushing piece, the pushing piece is connected with the telescopic piece 23, the lower sleeve 231 is connected with the lower sleeve, the pushing piece can be a pushing block or a screw rod, the lower sleeve 231 in the adjusting cylinder 41 is driven to move inwards by pushing the screw rod into the adjusting cylinder 41 or rotating the screw rod by screw threads, and therefore the fulcrum position of the upper top piece 232 at the upper end of the telescopic piece 23 in the protruding block 221 of the outer ring 22 is changed; by pulling out or screwing out the screw rod to the outside of the adjustment cylinder 41, the lower sleeve 231 inside the adjustment cylinder 41 is driven to move outwards, so that the fulcrum position of the upper top piece 232 in the boss 221 is changed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The stroke-adjustable transmission device is characterized by comprising a rotating shaft (21), an outer ring (22) arranged outside the rotating shaft (21), a telescopic piece (23) arranged on the outer ring (22) and a lower top piece (24) connected with the telescopic piece (23);

A rotating shaft (21) for externally connecting a driving device (1);

an outer ring (22) which can swing up and down along a rotating shaft (21) under the action of a driving device (1);

the telescopic piece (23) is arranged on the outer ring in an internal and external sliding way so as to adjust the fulcrum positions of the telescopic piece (23) and the outer ring (22) and further adjust the stroke of the upper and lower moving of the lower top piece (24);

And one end of the lower top piece (24) is connected with the telescopic piece (23), and the other end of the lower top piece is connected with the piece to be driven and is used for driving the piece to be driven to move up and down under the action of the telescopic piece.

2. The stroke-adjustable transmission according to claim 1, characterized in that the outer side of the outer ring (22) is provided with a projection (221);

The lower part of the lug (221) is provided with a groove, and the output end of the telescopic piece (23) is connected with the inside of the groove of the lug (221) in a sliding way.

3. The stroke-adjustable transmission according to claim 2, characterized in that the telescopic member (23) comprises; a lower sleeve (231) and an upper top piece (232);

A lower sleeve (231) for driving the upper top (232) to move;

The upper top piece (232) is arranged in the lower sleeve (231) in a telescopic way, and the upper end of the upper top piece is arranged in the groove of the protruding block (221) in a sliding way.

4. A stroke-adjustable transmission according to claim 3, characterized in that the transmission (2) further comprises a connecting piece (25);

One end of the connecting piece (25) is fixedly connected with the upper top piece (232), and the other end of the connecting piece is in sliding connection with the lower top piece (24); or one end is in sliding connection with the upper top piece (232), and the other end is fixedly connected with the lower top piece (24).

5. A stroke-adjustable transmission according to claim 3, characterized in that the transmission (2) further comprises a stop (26);

The limiting piece (26) is arranged on the lower sleeve (231) and is used for moving along with the lower sleeve (231);

the limiting piece (26) is internally provided with a strip-shaped groove (261), and the piece to be driven is positioned in the strip-shaped groove (261).

6. A tattooing pen is characterized by comprising a driving device (1), a transmission device (2), a tattooing device (3) and an adjusting device (4);

transmission (2) according to any one of claims 1-5;

The driving device (1) is connected with the rotating shaft (21);

A tattooing device (3) arranged below the lower top piece (24);

the adjusting device (4) is connected with the lower part of the telescopic piece (23);

The driving device (1) is used for driving the rotating shaft (21) to rotate so as to drive the outer ring (22) outside the rotating shaft (21) to swing up and down, and further drive the upper top piece (232), the lower top piece (24) connected with the upper top piece (232) and the tattooing device (3) arranged below the lower top piece (24) to move up and down;

The adjusting device (4) is used for driving the lower sleeve (231) to move inside and outside so as to adjust the fulcrum positions of the upper top piece (232) and the outer ring (22), and further adjust the travel distance of the tattooing device (3) in an up-and-down movement.

7. Tattooing pen according to claim 6, characterized in that the adjusting means (4) comprise: an adjusting cylinder (41) and a limit groove (42);

an adjusting cylinder (41) rotatably arranged below the transmission device (2);

And the limiting groove (42) is arranged outside the adjusting cylinder (41) and is used for movably arranging the telescopic piece (23).

8. Tattooing pen according to claim 7, characterized in that the limit groove (42) is shaped such that one end is located close to the centre of the adjustment cylinder (41) and the other end is located away from the centre of the adjustment cylinder (41).

9. Tattooing pen according to any one of claims 6-8, further comprising a needle cylinder device (5), the needle cylinder device (5) comprising;

The tattooing device comprises a needle cylinder (51) arranged below the adjusting device (4), a guide cylinder (52) is arranged in the needle cylinder (51), and the tattooing device (3) is positioned in the guide cylinder (52) and is used for being ejected out of the lower part of the needle cylinder (51) when the tattooing device (3) reciprocates up and down.

10. Tattooing pen according to claim 9, characterized in that the needle cylinder device (5) further comprises a chute (53);

The sliding groove (53) is arranged in the needle accommodating cylinder (51), is matched with the lower end of the adjusting cylinder (41) and is used for being matched with the adjusting cylinder (41) to rotate.