阅读说明：本技术 一种多功能备皮刀 (Multifunctional skin preparation knife ) 是由 李沙沙 于 2019-10-15 设计创作，主要内容包括：本发明涉及一种多功能备皮刀,包括刀片座和手柄,刀片座为长方体形,刀片座的侧边分为短边和长边,刀片座的正中央设有连接孔,连接孔内设有内螺纹,手柄上设有与内螺纹配合的外螺纹,手柄的一端设有出流孔,手柄的另一端设有润滑液盒,手柄内设有连通出流孔和润滑液盒的通流道,刀片座内设有分别与短边和长边垂直的滑槽,滑槽内设有滑块,滑块的一侧设有推杆,推杆的顶端伸入连接孔内,滑块的另一侧设有连接杆,连接杆的顶端连接有刀片,连接杆周围套有回位弹簧,回位弹簧两端分别设置在滑块上和滑槽的内壁上。本发明用于手术前剃毛备皮,可以有效防止意外刮伤皮肤,且方便润滑,有助于提高工作效率。(The invention relates to a multifunctional skin preparation knife, which comprises a blade seat and a handle, wherein the blade seat is in a cuboid shape, the side edge of the blade seat is divided into a short edge and a long edge, a connecting hole is arranged in the center of the blade seat, an internal thread is arranged in the connecting hole, an external thread matched with the internal thread is arranged on the handle, an outflow hole is arranged at one end of the handle, a lubricating liquid box is arranged at the other end of the handle, a through flow passage communicated with the outflow hole and the lubricating liquid box is arranged in the handle, sliding grooves perpendicular to the short edge and the long edge are respectively arranged in the blade seat, a sliding block is arranged in each sliding groove, a push rod is arranged at one side of each sliding block, the top end of each push rod extends into the corresponding connecting hole, a connecting rod is arranged at the. The invention is used for shaving and preparing skin before operation, can effectively prevent skin from being accidentally scratched, is convenient to lubricate and is beneficial to improving the working efficiency.)

1. The utility model provides a multi-functional skin preparation sword, includes blade holder and handle, its characterized in that: the blade seat is cuboid, the side edge of the blade seat is divided into a short edge and a long edge, the center of the blade seat is provided with a connecting hole, an internal thread is arranged in the connecting hole, an external thread matched with the internal thread is arranged on the handle, one end of the handle is provided with an outflow hole, the other end of the handle is provided with a lubricating liquid box, a through flow passage for communicating the outflow hole and the lubricating liquid box is arranged in the handle, the blade seat is internally provided with a sliding chute which is respectively vertical to the short edge and the long edge, the sliding chute is internally provided with a sliding block, a push rod is arranged on one side of the slide block, the top end of the push rod extends into the connecting hole, a connecting rod is arranged on the other side of the slide block, the top end of the connecting rod is connected with a blade, a return spring is sleeved around the connecting rod, and two ends of the return spring are respectively arranged on the sliding block and the inner wall of the sliding groove.

2. The multifunctional skin preparation knife according to claim 1, characterized in that: the handle is provided with a conical end of the outflow hole, and the top end of the push rod is arc-shaped.

3. The multifunctional skin preparation knife according to claim 1, characterized in that: the lubricating liquid box is internally provided with a piston, one side of the piston is provided with a mandril, the end part of the mandril extends out of the lubricating liquid box and is connected with a pressing plate, and a compression spring is arranged between the piston and the inner wall of the lubricating liquid box.

4. The multifunctional skin preparation knife according to claim 3, characterized in that: the lubricating liquid box is provided with a liquid feeding port, the liquid feeding port is provided with a sealing cover, and the sealing cover is in threaded connection with the liquid feeding port.

5. The multifunctional skin preparation knife according to claim 1, characterized in that: still be equipped with the latex pad on the blade seat, latex pad is equipped with on the pad with the opening of connecting hole intercommunication.

6. The multifunctional skin preparation knife according to claim 1, characterized in that: comb teeth are arranged on the side face, close to the blades, of the blade seat.

7. The multifunctional skin preparation knife according to claim 1, characterized in that: the width of the long side of the blade seat is 4-5cm, and the width of the short side of the blade seat is 1-2 cm.

The technical field is as follows:

the invention relates to the technical field of medical instruments, in particular to a multifunctional skin preparation knife.

Background art:

skin preparation refers to operation preparation for shaving hair at a corresponding part of an operation and cleaning the body surface, and is the operation area cleaning work before the operation of a patient subjected to the surgical operation, and the purpose of skin preparation is to reduce the number of skin bacteria and reduce the infection rate of an incision after the operation on the premise of not damaging the integrity of the skin; when skin preparation is performed, hairs at armpits, abdomens, thighs, perineum and the like need to be removed, the hairs at the abdomens and the thighs are thin and soft, and the hairs at the perineum are hard and long. Patent No. ZL 201821312106.5's patent sets up two inconsistent razor blades of width respectively through the both ends at rectangular blade mount, make the razor can satisfy simultaneously and shave the hair requirement in wider and narrower space, but the width of the razor blade itself of this kind of structure only one end is narrower, the blade mount is isometric still, the blade mount still is not good at narrower department and extends, the blade exposes and causes unexpected fish tail when the external not using easily, and medical personnel need look for lubricated liquid and water to lubricate skin and blade before carrying out the skin preparation, sometimes lubricant and water need look for, waste medical personnel's time when emergency operation easily, influence work efficiency.

The invention content is as follows:

technical problem to be solved

The invention aims to provide a multifunctional skin preparation knife which is used for shaving and preparing skin before operation, can meet the shaving requirement in a wider and narrower space, can conveniently lubricate before shaving, and solves the problems that the existing skin preparation knife is not easy to extend in the narrow space, is easy to cause accidental scratching, is inconvenient to lubricate and affects the working efficiency of medical staff.

The technical scheme is as follows:

in order to solve the technical problems, the invention adopts the following technical scheme: a multifunctional skin preparation knife comprises a blade seat and a handle, wherein the blade seat is cuboid, the side edge of the blade seat is divided into a short edge and a long edge, a connecting hole is arranged at the center of the blade seat, an internal thread is arranged in the connecting hole, an external thread matched with the internal thread is arranged on the handle, one end of the handle is provided with an outflow hole, the other end of the handle is provided with a lubricating liquid box, a through flow passage for communicating the outflow hole and the lubricating liquid box is arranged in the handle, the blade seat is internally provided with a sliding chute which is respectively vertical to the short edge and the long edge, the sliding chute is internally provided with a sliding block, a push rod is arranged on one side of the slide block, the top end of the push rod extends into the connecting hole, a connecting rod is arranged on the other side of the slide block, the top end of the connecting rod is connected with a blade, a return spring is sleeved around the connecting rod, and two ends of the return spring are respectively arranged on the sliding block and the inner wall of the sliding groove.

The blade seat is connected with the handle through the matching of the internal thread and the external thread, the handle is screwed into the connecting hole, when shaving is not needed, the return spring pushes the sliding block towards the direction of the connecting hole, the top end of the push rod extends into the connecting hole, and the blade is retracted into the sliding groove along with the connecting rod, so that accidental scratching cannot be caused. When the skin is shaved and preserved, will the handle court continue to twist in the connecting hole, the outer wall of handle with the top contact of push rod, will the push rod promotes the messenger return spring compression, the blade is along with the slider is in slip in the spout is ejecting long limit with the outside of minor face, the user can use on the long limit the hair of broad department such as belly, thigh is rejected to the blade, uses on the minor face the hair of perineum portion or armpit is rejected to the blade, the lubricated liquid is received to the advancing in the lubricated liquid box, the play discharge orifice on the handle is used for pouring out the lubricated liquid in the lubricated liquid box, conveniently directly carries out the lubrication before shaving the skin preserved, saves time, improves work efficiency.

Further, be equipped with on the handle the one end in discharge hole is the toper, the top of push rod is convex, the handle is equipped with the one end twist in drainage hole the in-process of connecting hole with the top contact and the relative slip of push rod, be equipped with on the handle the one end in discharge hole is the toper, the top of push rod is convex, can be convenient for the push rod is in rectilinear sliding in the spout prevents to take place the jamming.

Further, be equipped with the piston in the lubricated liquid box, one side of piston is equipped with the ejector pin, the tip of ejector pin stretches out lubricated liquid box outside is connected with the clamp plate, the piston with be equipped with compression spring between the lubricated liquid box inner wall, through pressing the clamp plate can make the piston will lubricated liquid in the lubricated liquid box is released, compression spring can be after pressing will the clamp plate return is convenient for paint the operation of lubricated liquid.

Further, be equipped with the filling opening on the lubricating fluid box, be equipped with the seal closure on the filling opening, the seal closure with filling opening threaded connection, the filling opening is used for toward lubricating fluid is added in the lubricating fluid box, the seal closure can be right the filling opening seals.

Further, still be equipped with the latex pad on the blade bearing, latex pad on be equipped with the opening of connecting hole intercommunication, the latex pad can be used for paining lubricated liquid, makes to paint evenly, and does not need medical personnel to contact lubricated liquid with the hand, guarantees sanitary cleanness, the opening is used for on the handle outflow hole stretches out, is convenient for extrude lubricated liquid.

Furthermore, comb teeth are arranged on the side face, close to the blade, of the blade seat and used for smoothing hair during shaving, operation is convenient, and the blade can be prevented from scratching skin.

Further, the width of the long side of the blade seat is 4-5cm, the width of the short side of the blade seat is 1-2cm, the blades on the long side are used for removing hairs on wide positions such as the abdomen and the thighs, the blades on the short side are used for removing hairs on narrow positions of the perineum or the armpit, and the blade seat is convenient to use.

(III) the beneficial effects are as follows:

compared with the prior art, the invention has the following beneficial effects: (1) the short edges and the long edges are arranged on the blade seat, the blades on the long edges are used for removing hairs on wide positions such as the abdomen and the thighs, the blades on the short edges are used for removing hairs on narrow positions such as the perineum or the armpit, the requirements of shaving in wide and narrow spaces can be met at the same time, and the applicability is high; (2) the lubricating liquid box is arranged on the handle, so that the lubricating liquid can be directly smeared on the handle before shaving, advance preparation is not needed, and the working efficiency is improved; (3) the blade is connected with the sliding block which can slide in the blade seat, so that the blade can be extended out and retracted through the rotation control of the handle in the blade seat, and the blade is prevented from being exposed to the outside to cause accidental scratching when not in use.

Description of the drawings:

in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.

FIG. 1 is a schematic view of the multifunctional skin preparation knife according to the embodiment of the present invention when not in use;

FIG. 2 is a schematic structural view of the multifunctional skin preparation knife according to the embodiment of the present invention;

FIG. 3 is a schematic front sectional view of the blade seat of the multifunctional skin preparation knife according to the embodiment of the present invention;

in the figure: 1. a blade seat; 2. a handle; 3. a short side; 4. a long side; 5. connecting holes; 6. an internal thread; 7. an external thread; 8. an outflow hole; 9. a lubricant cartridge; 10. a flow passage is communicated; 11. a chute; 12. a slider; 13. a push rod; 14. a connecting rod; 15. a blade; 16. a return spring; 17. a piston; 18. a top rod; 19. pressing a plate; 20. a compression spring; 21. a liquid filling port; 22. sealing cover; 23. a latex pad; 24. an opening; 25. comb teeth;

the specific implementation mode is as follows:

the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, 2 and 3, the multifunctional skin preparation knife comprises a blade seat 1 and a handle 2, the blade seat 1 is rectangular, the side of the blade seat 1 is divided into a short side 3 and a long side 4, the center of the blade seat 1 is provided with a connecting hole 5, an internal thread 6 is arranged in the connecting hole 5, an external thread 7 matched with the internal thread 6 is arranged on the handle 2, one end of the handle 2 is provided with an outflow hole 8, the other end of the handle 2 is provided with a lubricating liquid box 9, a through flow passage 10 communicated with the outflow hole 8 and the lubricating liquid box 9 is arranged in the handle 2, a sliding groove 11 respectively vertical to the short side 3 and the long side 4 is arranged in the blade seat 1, a sliding block 12 is arranged in the sliding groove 11, one side of the sliding block 12 is provided with a push rod 13, the top end of the push rod 13 extends into the connecting hole 5, the other side of the sliding block, two ends of the return spring 16 are respectively arranged on the slide block 12 and the inner wall of the slide groove 11.

Preferably, the end of the handle 2 provided with the outflow hole 8 is conical, the top end of the push rod 13 is arc-shaped, the end of the handle 2 provided with the drainage hole 8 is contacted with the top end of the push rod 13 in the process of being screwed into the connecting hole 5 and slides relatively, the end of the handle 2 provided with the outflow hole 8 is conical, and the top end of the push rod 13 is arc-shaped, so that the push rod 13 can slide linearly in the sliding groove 11 conveniently, and clamping stagnation is prevented.

Preferably, a piston 17 is arranged in the lubricating liquid box 9, an ejector rod 18 is arranged on one side of the piston 17, the end portion of the ejector rod 18 extends out of the lubricating liquid box 9 and is connected with a pressing plate 19, a compression spring 20 is arranged between the piston 17 and the inner wall of the lubricating liquid box 9, the piston 17 can push out the lubricating liquid in the lubricating liquid box 9 by pressing the pressing plate 19, and the compression spring 20 can return the pressing plate 19 after pressing, so that the lubricating liquid can be conveniently applied.

Preferably, a filling opening 21 is formed in the lubricating liquid box 9, a sealing cover 22 is arranged on the filling opening 21, the sealing cover 22 is in threaded connection with the filling opening 21, the filling opening 21 is used for adding lubricating liquid into the lubricating liquid box 9, and the sealing cover 22 can seal the filling opening 21.

Preferably, still be equipped with latex pad 23 on the blade bearing 1, be equipped with the opening 24 with connecting hole 5 intercommunication on the latex pad 23, latex pad 23 can be used for paining lubricated liquid, makes to paint evenly, and does not need medical personnel to contact lubricated liquid with the hand, guarantees sanitary clean, and opening 24 is used for the outflow hole 8 on the handle 1 to stretch out, is convenient for extrude lubricated liquid.

Preferably, the side of the blade holder 1 close to the blade 15 is provided with comb teeth 25, and the comb teeth 25 are used for smoothing hair during shaving, so that the operation is convenient, and the blade 15 can be prevented from scratching skin.

Preferably, the width of the long side 4 of the blade seat 1 is 4-5cm, the width of the short side 3 is 1-2cm, the blade 15 on the long side 4 is used for removing hairs on the wide parts such as the abdomen and the thighs, and the blade 15 on the short side 3 is used for removing hairs on the narrow parts such as the perineum or the oxter, so that the use is convenient.

The use method of the multifunctional skin preparation knife provided by the embodiment of the invention comprises the following steps:

the blade seat 1 and the handle 2 are rotatably connected through the matching of the internal thread 6 and the external thread 7, one end of the handle 2, which is provided with the outflow hole 8, is screwed into the connecting hole 5, when shaving is not needed, the screwing depth of the handle 2 is controlled, the outer wall of the handle 2 is not contacted with the top end of the push rod 13, the return spring 16 pushes the slide block 12 towards the connecting hole 5, the top end of the push rod 13 extends into the connecting hole 5, and the blade 15 is retracted into the sliding groove 11 along with the connecting rod 14, so that accidental scratching can not be caused. When shaving and skin preparation are needed, the handle 2 is continuously screwed into the connecting hole 5, the outer wall of the handle 2 is in contact with the top end of the push rod 13, the push rod 13 is pushed to compress the return spring 16, the blade 15 is pushed out of the long side 4 and the short side 3 along with the sliding of the sliding block 12 in the sliding groove 11, a user can remove hairs on wide parts such as the abdomen and the thighs by using the blade 15 on the long side 4, hairs on the perineum or the oxter are removed by using the blade 15 on the short side 3, lubricating liquid is contained in the lubricating liquid box 9 in advance, the lubricating liquid in the lubricating liquid box 9 can be poured out through the through flow channel 10 and the outflow hole 8 in the handle 2 by pressing the pressing press plate 19, the lubricating liquid is uniformly coated on the skin by using the latex pad 23 on the blade seat 1, the lubrication before shaving and skin preparation is convenient, the time is saved.

In conclusion, the multifunctional skin preparation knife provided by the invention is used for shaving hair and preparing skin before operation, can meet the hair shaving requirement in a wider and narrower space, can conveniently lubricate before shaving, and solves the problems that the existing skin preparation knife is not easy to extend in the narrow space, is easy to cause accidental scratching, is inconvenient to lubricate and affects the working efficiency of medical workers.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.