WO2021027668A1

WO2021027668A1 - Multi-fire clip applier, and fastening safety device of multi-fire clip applier

Info

Publication number: WO2021027668A1
Application number: PCT/CN2020/107300
Authority: WO
Inventors: 詹菲; 黄皆澔
Original assignee: 詹菲; 黄皆澔
Priority date: 2019-08-09
Filing date: 2020-08-06
Publication date: 2021-02-18

Abstract

Disclosed in the present invention are a multi-fire clip applier, and a fastening safety device of the multi-fire clip applier. The multi-fire clip applier comprises a pushing handle, a tube rod, and a clip head arranged at a front end of the tube rod; the tube rod is internally provided with a feeding device, a push-pull rod, and a storage bin; the fastening safety device comprises a fixed member, a gear assembly, and a safety shaft. The gear assembly is used for pushing a delivery member to move, the gear assembly is arranged on the fixed member by means of the safety shaft and rotates with respect to the fixed member, and the safety shaft is used for locking or opening of the gear assembly, so that the delivery member is prevented from back-off during normal use of the multi-fire clip applier, and the situation that a driving member pushes the delivery member forward due to a false operation, thereby causing a ligation clip to enter the clip head, and affecting clamping of the ligation clip by the clip head can also be avoided. The fastening safety device makes the use of the multi-fire clip applier safer, more reliable and smoother.

Description

Continuous hair clip applier and haircut safety device of continuous hair clip applier

Technical field

The invention relates to the technical field of medical equipment and equipment, in particular to a continuous hair clip applier and a hair deduction safety device of the continuous hair clip applier.

Background technique

The clip applier is a commonly used medical device, usually used in surgical operations, used to clamp blood vessels, play a hemostatic effect, also called hemostatic forceps. When the existing continuous clip applicator pushes the closing clip in the storage bin, the feeding device and the pushing handle respectively complete the actions of pushing the closing clip and clamping the closing clip. During the operation, due to the installation distance between the feeding device and the pushing handle Near, it is easy to touch the feeding device, causing the wrong operation of the continuous hair clip applier, causing the feeding device to retreat, and the closing clip in the storage bin loosens and causes displacement, which affects the continuous use of the continuous hair clip applier.

technical problem

In view of this, it is necessary to provide a continuous hair clip applier and a continuous hair clip applier with a simple structure that can lock the feeding device.

Technical solutions

A haircut safety device for a continuous hair clip applier, the continuous hair clip applier is used to send a closed clip, the clip applier includes a push handle, a pipe rod, and a clamp head installed at the front end of the pipe rod. There are a feeding device, a push-pull rod, and a storage bin. The feeding device includes a transmission member, and the deduction safety device includes a fixing member, a gear assembly and a safety shaft. The gear assembly is used to push the transmission member to move. The assembly is mounted on the fixed part through the safety shaft and rotates relative to the fixed part. The safety shaft is used to lock or open the gear assembly; the safety shaft includes an elastic part and a relatively disposed through thread The base and the shaft pin are connected, the elastic member is supported between the fixing member and the base, and when the shaft pin and the base are tightened, the base is closely attached to the gear The assembly prevents the gear assembly from rotating; loosens the engagement between the shaft pin and the base, and the elastic member pushes the base to release the gear assembly, and the gear assembly rotates freely.

In a preferred embodiment, the push handle is connected with an installation tube, the transmission member is arranged in the installation tube, the rear end of the transmission member has tooth stripes, and the installation tube corresponds to the position of the tooth stripes A rack groove is provided.

In a preferred embodiment, the gear assembly includes a gear and a wheel handle far away from the gear, the gear extends into the gear groove and meshes with the tooth stripe, and the wheel handle is used to rotate the gear Components.

In a preferred embodiment, the fixing pieces are respectively fixed on both sides of the gear groove in the longitudinal direction, the fixing piece has a first fixing hole and a safety hole, and the safety hole is provided in the gear groove and the gear groove. Between the first fixing holes; the gear assembly has a second fixing hole and an arc-shaped through hole, the arc-shaped through hole is in the same direction as the gear, and is provided in the gear and the second fixing hole between.

In a preferred embodiment, the gear assembly is arranged between the two fixing parts, the position of the first fixing hole corresponds to the position of the second fixing hole, and the safety hole is connected to the first fixing hole. The distance of the fixing hole is consistent with the radius between the arc-shaped through hole and the second fixing hole, so that when the gear assembly rotates, the arc-shaped through hole coincides with the safety hole.

In a preferred embodiment, a fixed shaft is penetrated in the second fixing hole and the first fixing hole, and the gear assembly rotates around the fixed shaft; the safety hole and the arc-shaped connection The safety shaft is penetrated in the hole.

In a preferred embodiment, the shaft pin of the safety shaft has an external thread, the base has a threaded hole, and the shaft pin is fixed in the base through screw rotation.

In a preferred embodiment, the base includes a first nut and a screw hole post, the first nut is provided at the outer top end of the screw hole post, and the outer diameter of the screw hole post and the arc The distance between the two inner side walls of the arc-shaped through hole is the same, and the top of the screw hole post has a pedestal, and the diameter of the pedestal is smaller than the distance between the two inner side walls of the arc-shaped through hole.

In a preferred embodiment, the diameter of the first nut is larger than the diameter of the screw hole column, the inner side of the first nut has a groove, the outer top of the safety hole has a recessed platform, The diameter is larger than the diameter of the safety hole, and the two ends of the elastic member are respectively set on the bottom of the groove and the concave platform.

In a preferred embodiment, the shaft pin includes a second nut and a bolt column, the second nut is arranged at the outer top end of the bolt column, and the diameter of the second nut is larger than that of the bolt column. Diameter, a protruding handle is provided on the outside of the second nut, and the handle is used to rotate the shaft pin.

In another aspect of the embodiments of the present invention, there is provided a continuous hair clip applier. The clip applier includes a push handle, a pipe rod, and a clamp head installed at the front end of the pipe rod. The pipe rod is provided with a feeding device and a push-pull rod. And the storage bin, the feeding device includes a transmission member, characterized in that the continuous hair clip applier further comprises the continuous hair clip applier safety device according to any one of claims 1-10.

In a preferred embodiment, the storage bin includes a front bin and a rear bin, the front bin extends to the opening of the clamp head, and the connection between the front bin and the rear bin is provided with an upper lip and The lower lip piece, the upper lip piece and the lower lip piece are respectively arranged on the upper and lower parts of the front cabin, and are spaced from the top and bottom of the front cabin, and the left and right sides of the rear cabin have With a strip-shaped side groove, the front chamber and the rear chamber are integrally formed, the rear end of the rear chamber is threadedly connected to the front end of the push-pull rod, the pliers head includes a pair of opposed pliers arms, the pliers The inner side of the arm is provided with a guide groove, the guide groove is configured as an extension of the front compartment, the proximal end of the bottom of the guide groove is provided with an anti-drop hole, the outer side of the closing clip is provided with a convex post, and the transmission member pushes the closing clip Sliding into the guide groove from the opening of the front compartment, the closing clip expands under the action of its own tension, so that the convex post of the outer side wall of the closing clip is clamped in the anti-drop hole.

In a preferred embodiment, the feeding device further includes a driving member that pushes the transmission member to move; a shaft is provided at the proximal end of the pipe rod, and the shaft is used to fix the clamp head, and the transmission The member has a strip-shaped through groove, the two sides of the strip-shaped through groove have at least a pair of protruding anti-return clip buckles, the two ends of the shaft are fixed to the pipe after passing through the strip-shaped through groove Rod, the diameter of the end of the anti-return clip is smaller than the diameter of the shaft, and the shaft is elastically clamped between the two anti-return clips after the conveyor pushes the closing clip, so The transmission member includes a top rod and a hollow cavity, the hollow cavity is provided with the push-pull rod, both sides of the front end of the hollow cavity are provided with side strips extending in the axial direction of the hollow cavity, and the side strips pass through Is arranged in the side groove; the top rod is connected to the top end of the side strip, the bar-shaped through groove extends along the length direction of the top rod, and the anti-return clips are arranged in pairs, And the anti-return clip buckle extends from the inner side wall of the bar-shaped through groove and extends along the conveying direction of the closing clip; the top end of the anti-return clip buckle is provided with a protrusion, and the protrusion points toward the Inside the strip-shaped through groove, the distance between the two opposite protrusions is smaller than the diameter of the shaft.

In a preferred embodiment, each of the pliers arms includes a flat mounting portion, and the two mounting portions are respectively provided in the space between the upper lip and the lower lip and the front compartment, The pliers tail has a shaft hole and an oblique hole, and the shaft is penetrated in the shaft hole. A pair of the oblique holes are respectively provided at the rear ends of the two mounting parts and intersect from the outside to the inside, A rotating shaft is penetrated in the oblique hole.

In a preferred embodiment, the front compartment has a long through hole and a round hole, the long through hole extends along the length of the front compartment, and the shaft is penetrated through the strip through slot of the conveying member, The long through hole of the front compartment and the shaft hole of the mounting part, the two ends of the shaft rod are fixedly connected to the upper side wall and the lower side wall of the pipe rod, respectively; the rotation shaft penetrates the The strip-shaped through grooves of the transmission member, the round holes of the front compartment and the oblique holes of the mounting part, and both ends of the rotating shaft are fixedly connected to the upper lip and the lower lip, respectively.

Beneficial effect

In the above-mentioned continuous hair clip applier and its withholding safety device, the feeding device of the continuous hair clip applier pushes the closing clip in the storage bin into the clamp head, and the push handle pulls the push-pull rod , The clamp head is made to clamp the closing clamp, and the feeding device and the pushing handle work alternately. When the pushing handle is moved, the safety shaft locks the driving member so that the driving member cannot be pushed The movement of the transfer member can prevent the transfer member from retreating during the normal use of the continuous hair clip applier, causing the closing clip in the storage bin to loosen and shift; it can also prevent misoperation from causing the drive A member pushes the conveying member forward, causing the closing clip to enter the pliers head, affecting the pliers head to clamp the closing clip. The haircut safety device makes the use of the continuous hair clip applier safer, more reliable and smoother. The present invention has simple structure, easy realization, low cost and easy promotion.

Description of the drawings

Fig. 1 is a cross-sectional view of a haircut safety device of a continuous hair clip applier according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the safety shaft of the safety device of the continuous hair clip applier according to the embodiment of the present invention.

Fig. 3 is an exploded view of the structure of the haircut safety device of the continuous hair clip applier according to the embodiment of the present invention.

Fig. 4 is a structural diagram of a continuous hair clip applier with a hair-fastening safety device according to an embodiment of the present invention.

Fig. 5 is an exploded view of the structure of the continuous hair clip applier according to the embodiment of the present invention.

Fig. 6 is a cross-sectional view of a continuous hair clip applier according to an embodiment of the present invention.

Fig. 7 is a horizontal sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.

Fig. 8 is a vertical sectional view of the jaws of the continuous hair clip applier according to the embodiment of the present invention.

Embodiments of the invention

In this embodiment, the haircut safety device of the continuous hair clip applier is taken as an example, and the present invention will be described in detail below with reference to specific embodiments and drawings.

Please refer to Figure 1, Figure 3 and Figure 4, there is shown a continuous hair clip applier 100 according to an embodiment of the present invention, the continuous hair clip applier 1000 is used to send a closed clip, the continuous hair clip applier The pliers 1000 includes a push handle 200, a pipe rod 300, and a pliers head 400 installed at the front end of the pipe rod 300. The pipe rod 300 is provided with a feeding device 500, a push-pull rod 60 and a storage bin. The feeding device 500 includes a conveying member, The buckle safety device includes a fixing member 10, a gear assembly 20, and a safety shaft 30. The gear assembly 20 is used to push the transmission member to move. The gear assembly 20 is mounted on the fixing member 10 through the safety shaft 30. And rotates relative to the fixing member 10, the safety shaft 30 is used to lock or open the gear assembly 20; the safety shaft 30 includes an elastic member 33, and a base 31 and a shaft pin connected by threads that are arranged oppositely 32. The elastic member 33 is supported between the fixing member 10 and the base 31. When the shaft pin 32 is tightened with the base 31, the base 31 is closely attached to the gear The assembly 20 prevents the gear assembly 20 from rotating; loosens the engagement between the shaft pin 32 and the base 31, the elastic member 33 pushes the base 31 to loosen the gear assembly 20, so The gear assembly 20 is free to rotate.

For the burst structure and principle of the bursting hair clip applier 1000, please refer to the Chinese invention patent application filed by Huang Rongquan on June 21, 2018 with the application number 201810646052.4. The detailed structure of the bursting hair clip applier 1000 will not be repeated here.

Specifically, in this embodiment, the side of the continuous hair clip applier close to the pliers head 400 is the front end, and the side opposite to the front end is the back end.

In a preferred embodiment, the push handle 200 is connected with a mounting tube 210, the transmission member is arranged in the mounting tube 210, the rear end of the transmission member has a toothed stripe 510, and the mounting tube 210 corresponds to The tooth stripe 510 is provided with a rack groove. The gear assembly 20 includes a gear 21 and a wheel handle 22 on the side away from the gear 21. The gear 21 extends into the gear groove and meshes with the tooth strip 510. The wheel handle 22 is used to rotate the gear Component 20. The fixing member 10 is respectively fixed on both sides of the gear groove in the longitudinal direction, the fixing member 10 has a first fixing hole 11 and a safety hole 12, and the safety hole 12 is provided between the gear groove and the second Between a fixing hole 11; the gear assembly 20 has a second fixing hole 24 and an arc-shaped through hole 23, the arc-shaped through hole 23 extends in the same direction as the rotation direction of the gear 21, and is arranged in the Between the gear 21 and the second fixing hole 24. The gear assembly 20 is arranged between the two fixing members 10, the position of the first fixing hole 11 corresponds to the position of the second fixing hole 24, and the safety hole 12 to the first fixing hole The distance 11 is consistent with the radius between the arc-shaped through hole 23 and the second fixing hole 24. When the gear assembly 20 is rotated, the arc-shaped through hole 23 coincides with the safety hole 12.

Specifically, the gear 21 and the arc-shaped through hole 23 are respectively arranged on concentric circles with different radii centered on the second fixing hole 24. When the gear assembly 20 rotates, the gear 21 and the The arc-shaped through hole 23 rotates synchronously, the gear 21 is used to push the transmission member to move to the front end, and the safety hole 12 overlaps with the arc-shaped through hole 23 from beginning to end and communicates with each other so as to control the gear assembly 20 The angle of rotation controls the distance that the conveyor moves to the front end.

In a preferred embodiment, a fixed shaft 40 is inserted into the second fixing hole 24 and the first fixing hole 11, and the gear assembly 20 rotates about the fixed shaft 40; the safety hole 12 The safety shaft 30 is inserted into the arc-shaped through hole 23.

In a preferred embodiment, please refer to FIG. 2, the pin 32 of the safety shaft 30 has an external thread, the base 31 has a threaded hole, and the shaft pin 32 is fixed to the base by screw rotation. Seat 31. The base 31 includes a first screw cap 311 and a screw hole post 312. The first screw cap 311 is provided at the outer top end of the screw hole post 312. The outer diameter of the screw hole post 312 is consistent with the arc shape. The distance between the two inner side walls of the through hole 23 is the same. The top of the screw hole post 312 has a pedestal 3121 whose diameter is smaller than the distance between the two inner side walls of the arc-shaped through hole 23. The diameter of the first nut 311 is larger than the diameter of the screw hole column 312, the inner side of the first nut 311 has a groove 3111, the outer top of the safety hole 12 has a recessed platform, and the diameter of the recessed platform is greater than For the diameter of the safety hole 12, the two ends of the elastic member 33 are respectively set on the bottom of the groove 3111 and the bottom of the recess. The shaft pin 32 includes a second nut 321 and a bolt post 322. The second nut 321 is provided at the outer top end of the bolt post 322. The diameter of the second nut 321 is larger than that of the bolt post 322. Diameter, a protruding handle is provided on the outside of the second nut 321, and the handle is used to rotate the shaft pin 32.

Specifically, the second nut 321 is rotated to loosen the engagement between the shaft pin 32 and the base 31, and the elastic member 33 removes the base 31 from the arc-shaped through hole 23. Eject, the gear assembly 20 can rotate freely; after rotating the gear assembly 20 to a desired position, tighten the second nut 321 to make the shaft pin 32 and the base 31 tight By snapping and pressing the elastic member 33, the outer side wall of the base 31 closely fits the inner side wall of the arc-shaped through hole 23, the gear assembly 20 cannot rotate, and the gear assembly 20 is locked.

In the aforementioned haircut safety device 100 of the continuous hair clip applier, the feeding device 500 of the continuous hair clip applier pushes the closing clip in the storage bin into the pliers head 400, and the push handle 200 pulls the The push-pull rod 60 enables the pliers 400 to close the closing clamp. When the feeding device 500 and the push handle 200 work alternately, when the push handle 200 moves, the safety shaft 30 locks the drive The driving member cannot push the conveying member to move, which can prevent the conveying member from retreating during the normal use of the continuous hair clip applier, causing the closing clip in the storage bin to loosen and shift; It can also prevent misoperation from causing the driving member to push the conveying member forward, causing the closing clip to enter the pliers head 400 and affecting the pliers head 400 to clamp the closing clip. The haircut safety device makes the use of the continuous hair clip applier safer, more reliable and smoother. The withholding insurance device 100 of the embodiment of the present invention has a simple structure, is easy to implement, has low cost, and is easy to popularize.

In another aspect of the embodiments of the present invention, a continuous hair clip applier 1000 is provided. Please refer to Figures 4, 5, 6, 7 and 8, showing a continuous hair clip applier 1000 provided by an embodiment of the present invention, including a push handle 200, a pipe rod 300 and a front end of the pipe rod 300 The clamp head 400 further includes a feeding device arranged in the pipe rod 300, a push-pull rod 60, a storage bin 50, and the above-mentioned continuous hair clip-applying pliers withholding safety device 100. The feeding device includes a conveying member 41 and a driving member 42 that pushes the conveying member 41 to move; a shaft 431 is provided at the proximal end of the pipe rod 300, and the shaft 431 is used to fix the pliers head 400. The conveying member 41 has a bar-shaped through groove 411, the two side walls of the bar-shaped through groove 411 have at least a pair of protruding anti-return clips 412, and the shaft 431 passes through the bar-shaped through groove 411 The rear ends are fixed to the pipe rod 300, the end diameter of the anti-return clip 412 is smaller than the diameter of the shaft 431, and the end diameter of the anti-return clip 412 is a pair of anti-return clip 412 ends radially Or longitudinal distance. The shaft 431 is elastically clamped between the two anti-return clamps 412 after the transfer member 41 pushes the closing clamp 201, that is, the elastic clamp and a pair of the anti-return clamps 412 , To prevent the conveying member 41 from retreating.

Specifically, a plurality of closing clips 201 are placed in the storage bin 50, the storage bin 50 is movably connected with the clamp head 400, and the front end of the push-pull rod 60 is connected to the rear of the storage bin 50. The rear end of the push-pull rod 60 is connected to the push handle 200, and the push-pull handle 200 moves the storage bin 50 back and forth through the push-pull rod 60, thereby controlling the pliers 400 to open or close The front end of the transmission member 41 extends into the storage bin 50, the rear end of the transmission member 41 and the driving member 42 mesh with gears, and the driving member 42 pushes the transmission member 41 toward the When the front end of the storage bin 50 moves, the transfer member 41 pushes the closing clip 201 in the storage bin 50 to the clamp head 400. The driving member 42 includes the above-mentioned gear assembly 20, and the safety shaft includes an elastic member 33, a base 31 and a shaft pin 32 disposed oppositely, as shown in FIGS. 1-4.

Further, the storage bin 50 includes a front bin and a rear bin, the front bin extends to the opening of the clamp head 400, and the connection between the front bin and the rear bin is provided with an upper lip 52 and a lower The lip 53, the upper lip 52 and the lower lip 53 are respectively arranged at the upper and lower parts of the front compartment, and are spaced apart from the top and bottom of the front compartment. The side has a strip-shaped side groove, the front bin and the rear bin are integrally formed, and the rear end of the rear bin is screwed to the front end of the push-pull rod 60.

Further, the pliers head 400 includes a pair of opposing pliers arms, the inner side of the pliers arms is provided with a guide groove, the guide groove is configured as an extension of the front compartment, and the anti-drop hole 433 is provided in the guide groove Near the top end of the bottom, the outer side of the closing clip 201 has a protruding column. The transmission member 41 pushes the closing clip 201 to slide into the guide groove from the opening of the front compartment, and the closing clip 201 opens under its own tension. The convex post of the outer side wall of the closing clip 201 is clamped in the anti-drop hole 433.

Specifically, the closing clip 201 is placed in the front compartment, and the conveying member 41 pushes the closing clip 201 out of the opening of the front compartment. The closing clip 201 opens in a V shape under the action of its own tension, and the closing clip The convex post on the outer side wall of 201 slides along the bottom of the guide groove toward the front end of the clamp head 400. When the convex post reaches the anti-drop hole 433, the convex post is clamped on the anti-drop hole under the action of its own tension. In the hole 433, the pliers head 400 firmly grasps the closing clip 201, so that the closing clip 201 is not easy to fall off.

Further, the transmission member 41 includes a top rod 511 and a hollow cavity, the hollow cavity is provided with the push-pull rod 60, and both sides of the front end of the hollow cavity have side strips extending along the axial direction of the hollow cavity. 521, the side strip 521 penetrates through the side groove 531; the top rod 511 is connected to the top end of the side strip 521, and the strip through groove 411 extends along the length direction of the top rod 511 , The anti-return clips 412 are arranged in pairs, and the anti-return clips 412 extend from the inner side wall of the strip-shaped through groove 411 and extend along the conveying direction of the closing clip 201; The top of the eject button 412 is provided with a protrusion, the protrusion points to the inside of the bar-shaped through groove 411, and the distance between two opposite protrusions is smaller than the diameter of the shaft 431. The protrusion is a semi-cylindrical body or a vertebral body, and the cylindrical or conical surface of the protrusion is a surface contacting the shaft 431.

Further, the pliers arm includes a flat mounting portion 34, and the two mounting portions 34 are respectively provided in the space between the upper lip 52 and the lower lip 53 and the front compartment, and the pliers The tail has a shaft hole 310 and an oblique hole 310a. The shaft 431 is penetrated in the shaft hole 310. A pair of the oblique holes 310a are respectively provided at the rear ends of the two mounting parts 34 and are directed from the outside. Inwardly intersecting, a rotating shaft 432 passes through the oblique hole 310a.

Further, the front compartment has a long through hole 51 and a round hole, the long through hole 51 extends along the length of the front compartment, and the shaft 431 penetrates the strip through slot 411 of the conveying member 41 , The long through hole 51 of the front compartment and the shaft hole 310 of the mounting portion 34, the two ends of the shaft 431 are respectively fixedly connected to the upper and lower side walls of the pipe rod 300; The shaft 432 passes through the strip through slot 411 of the conveying member 41, the round hole of the front compartment, and the oblique hole 310a of the mounting portion 34, and both ends of the rotating shaft 432 are fixedly connected to the The upper lip piece 52 and the lower lip piece 53.

Specifically, the length of the long through hole 51 is the same as the length that the push-pull rod 60 drives the storage bin 50 to move. When the storage bin 50 moves to the rear end, the rotating rod follows the storage bin 50. The silo 50 moves to the rear end, the shaft 431 does not move with the movement of the storage silo 50, so that the rotating rod moves in the oblique hole 310a toward the rear end of the mounting portion 34, so that The clamp head 400 is closed.

Specifically, the anti-return clips 412 are arranged in pairs on the inner side wall of the bar-shaped through groove 411, and the number and interval of the anti-return clips 412 are the same as the closing clips provided in the storage bin 50. 201 corresponds to the number and length. Each time a closing clip 201 is pushed, the top rod 511 moves a corresponding distance to the front end, and the shaft 431 passes through the opposite pair of the anti-return clip 412 top ends There is a gap between the protrusions, and the protrusions prevent the ejector rod 511 from retreating.

Specifically, when the closing clip 201 is placed in the continuous hair clip applier and the pushing handle 200 is used to make the closing clip 201 clamp the blood vessel, the safety shaft is locked so that the driving member 42 cannot move, preventing Misoperation during the operation. When the closing clamp 201 needs to be pushed, the safety shaft is opened, and the gear assembly 20 is rotated, so that the transmission member 41 pushes the closing clamp 201 to move to the pliers 400.

Specifically, the rotation position of the gear 21 is marked on the gear assembly 20. After the gear 21 is rotated by a corresponding arc, the transmission member 41 is moved a corresponding distance to the front end to push the closing clip 201 out of the storage. Silo 50.

Further, a plurality of closing clips 201 are placed in the front compartment, and the rear end of the push-pull rod 60 is connected to the push handle 200 and moves under the push of the push handle 200. The front end is movably connected to the rear end of the rear compartment, and the front end of the front compartment is connected to the pliers head 400 to open or close the pliers head 400; the transfer member 41 extends into the front compartment The top end of the conveying member 41 has a groove, and the groove is clamped on the protrusion at the rear end of the closing clip 201 and pushing the closing clip 201 to the pliers head 400 in sequence.

In addition to the safety device 100, the above-mentioned continuous hair clip applier 1000 also has an anti-return structure. Specifically, the shaft 431 and the rotating shaft 432 pass through the strip through slot 411 of the transmission member 41 Inside, the protrusion on the top end of the anti-return clip 412 in the bar-shaped through groove 411 has a blocking effect on the shaft 431 and the rotating shaft 432, so that the transmission member 41 is directed toward the jaws. After moving in the direction of 400, it is not easy to move in the reverse direction, preventing the transmission member 41 from retreating. At the same time, the safety shaft locks the driving member 42 so that the driving member 42 cannot push the transmission member 41 to move. Prevent the transfer member 41 from retreating when the continuous hair clip applier is in normal use, and prevent misoperation from causing the drive member 42 to push the transfer member 41 forward or backward; the bottom of the guide groove of the clamp head 400 The anti-dropping hole 433 is provided inside, and the convex post on the outer side of the closing clip 201 penetrates the anti-dropping hole 433, so that the pliers 400 can grasp the closing clip 201, and the closing clip 201 is not easy to Falling off, the continuous hair clip applier can more stably grasp and release the hemostatic forceps, and the operation is smoother. The present invention has simple structure, easy realization, low cost and easy promotion.

It should be noted that the above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

A haircut safety device for a continuous hair clip applier, the continuous hair clip applier is used to send a closed clip, the clip applier includes a push handle, a pipe rod, and a clamp head installed at the front end of the pipe rod. There are a feeding device, a push-pull rod, and a storage bin. The feeding device includes a conveying member, characterized in that the deduction safety device includes a fixing member, a gear assembly and a safety shaft, and the gear assembly is used to push the conveying member to move , The gear assembly is installed on the fixed part through the safety shaft and rotates relative to the fixed part, the safety shaft is used to lock or open the gear assembly; the safety shaft includes an elastic part and a relative A base and a shaft pin connected by threads are provided, the elastic member is supported between the fixing member and the base, and when the shaft pin is tightened with the base, the base closely fits In the gear assembly, the gear assembly cannot be rotated; the engagement between the shaft pin and the base is loosened, and the elastic member pushes the base to loosen the gear assembly, and the gear assembly Free rotation.
The haircut safety device of the continuous hair clip applier according to claim 1, wherein the push handle is connected with an installation tube, the transmission member is provided in the installation tube, and the rear end of the transmission member has teeth. Stripes, the mounting tube is provided with rack grooves at positions corresponding to the tooth strips.
The haircut safety device of the continuous hair clip applier according to claim 2, wherein the gear assembly includes a gear and a wheel handle far away from the gear, and the gear extends into the gear groove and interacts with the gear. The tooth stripes mesh, and the wheel handle is used to rotate the gear assembly.
The haircut safety device of the continuous hair clip applier according to claim 3, wherein the fixing parts are respectively fixed on both sides of the length direction of the gear groove, and the fixing parts have a first fixing hole and a safety The safety hole is provided between the gear groove and the first fixing hole; the gear assembly has a second fixing hole and an arc-shaped through hole, and the arc-shaped through hole is in the same direction as the gear , And located between the gear and the second fixing hole.
The haircut safety device of the continuous hair clip applier according to claim 4, wherein the gear assembly is arranged between the two fixing parts, and the position of the first fixing hole is the same as that of the second fixing. The positions of the holes correspond, the distance between the safety hole and the first fixing hole is the same as the radius between the arc through hole and the second fixing hole, so that when the gear assembly rotates, the arc through hole Coincide with the safety hole.
The haircutting safety device for the continuous hair clip applier according to claim 5, wherein a fixed shaft is penetrated in the second fixing hole and the first fixing hole, and the gear assembly uses the fixed shaft It is a shaft rotation; the safety shaft is penetrated in the safety hole and the arc-shaped through hole.
The haircut safety device of the continuous hair clip applier according to claim 5, wherein the shaft pin of the safety shaft has an external thread, the base has a threaded hole, and the shaft pin is rotated and fixed by the thread. Set in the base.
The haircut safety device of the continuous hair clip applier according to claim 7, wherein the base includes a first nut and a screw hole post, and the first nut is arranged on the outer side of the screw hole post At the top end, the outer diameter of the screw hole column is the same as the distance between the two inner side walls of the arc-shaped through hole, and the top end of the screw hole column has a pedestal whose diameter is smaller than that of the arc-shaped through hole. The distance between the two inner side walls of the hole.
The haircut safety device of the continuous hair clip applier according to claim 7, wherein the diameter of the first nut is larger than the diameter of the screw hole post, and the inner side of the first nut has a groove, so The outer top of the safety hole has a recessed platform, the diameter of the recessed platform is larger than the diameter of the safety hole, and the two ends of the elastic member are respectively set on the bottom of the groove and the recessed platform.
The haircut safety device of the continuous hair clip applier according to claim 1, wherein the shaft pin comprises a second nut and a bolt column, and the second nut is provided at the outer top end of the bolt column, The diameter of the second nut is larger than the diameter of the bolt column, and a protruding handle is provided on the outer side of the second nut, and the handle is used to rotate the shaft pin.
A continuous hair clip applier. The clip applier includes a push handle, a pipe rod, and a clamp head installed at the front end of the pipe rod. The pipe rod is provided with a feeding device, a push-pull rod and a storage bin. The feeding device includes a transmission The article is characterized in that the continuous hair clip applier further comprises the haircut safety device of the continuous hair clip applier according to any one of claims 1-10.
The continuous hair clip applier according to claim 11, wherein the storage bin comprises a front bin and a rear bin, the front bin extends to the opening of the clamp head, and the front bin and the An upper lip and a lower lip are arranged at the connection of the rear compartment, the upper lip and the lower lip are respectively arranged on the upper and lower parts of the front compartment, and are spaced apart from the top and bottom of the front compartment , The left and right sides of the rear bin are provided with strip side grooves, the front bin and the rear bin are integrally formed, the rear end of the rear bin is threadedly connected to the front end of the push-pull rod, and the clamp head includes A pair of opposing pliers arms are provided with a guide groove on the inner side of the pliers arm, and the guide groove is configured as an extension of the front compartment. The conveying member pushes the closing clip to slide into the guide groove from the opening of the front compartment, and the closing clip is opened under its own tension, so that the convex post of the outer side wall of the closing clip is clamped on the prevention Out of the hole.
The continuous hair clip applier according to claim 12, wherein the feeding device further comprises a driving member for pushing the transmission member to move; a shaft is provided at the proximal end of the pipe rod, and the shaft is used for For fixing the clamp head, the transmission member has a bar-shaped through groove, and at least a pair of protruding anti-return clamps are provided on both sides of the bar-shaped through groove. The shaft passes through the bar. The two ends of the through groove are fixed to the pipe rod, the end diameter of the anti-return clip is smaller than the diameter of the shaft rod, and the shaft rod is elastically clamped to the two shafts after the transmission member pushes the closing clamp. Between the anti-return clamps, the transfer member includes a top rod and a hollow cavity, the hollow cavity is provided with the push-pull rod, and both sides of the front end of the hollow cavity have axially extending hollow cavity Side strips, the side strips pass through the side grooves; the top rod is connected to the top end of the side strips, the strip-shaped through grooves extend along the length of the top rod, so The anti-return clip buckles are arranged in pairs, and the anti-return clip buckles extend from the inner side wall of the strip-shaped through groove and extend along the conveying direction of the closed clip; the top end of the anti-return clip is provided There is a protrusion, and the protrusion points to the inside of the strip-shaped through groove, and the distance between the two opposite protrusions is smaller than the diameter of the shaft.
The continuous hair clip applier according to claim 13, wherein each of the pliers arm includes a flat mounting part, and the two mounting parts are respectively provided on the upper lip and the lower lip and the In the space between the front compartments, the pliers tail has a shaft hole and an oblique hole, the shaft hole is penetrated with the shaft, and a pair of the oblique holes are respectively provided in the two mounting parts The rear end intersects from the outside to the inside, and a rotating shaft is penetrated in the oblique hole.
The continuous hair clip applier according to claim 14, wherein the front compartment has a long through hole and a round hole, the long through hole extends along the length of the front compartment, and the shaft passes through The bar-shaped through groove of the conveying member, the long through hole of the front cabin, and the shaft hole of the mounting portion, and both ends of the shaft rod are fixedly connected to the upper and lower side walls of the pipe rod, respectively The rotating shaft passes through the bar-shaped through groove of the conveying member, the circular hole of the front cabin and the oblique hole of the mounting portion, and both ends of the rotating shaft are respectively fixedly connected to the upper lip And the lower lip piece.