TWI790891B - Scalpel blade removal device - Google Patents

Abstract

A blade removal device for a scalpel, comprising a box body and a knife unloading module, the knife unloading module includes a seat, a knife unloading seat and a shrapnel, the seat is combined on the top surface of the box body and has A guide groove penetrates into the box body, and a stopper is provided on the front side of the guide groove. The knife unloading seat is swingably combined with the seat and is located below the guide groove. The top surface of the knife unloading seat rests on the There are two push blocks at the upper side, a groove is formed between the two push blocks, the underside of the top surface of the knife unloading seat can be pushed against by the blade of the scalpel to make the knife unloading seat swing, and then the two The push block pushes the rear end of the blade away from the knife handle, and the shrapnel can provide an elastic force to keep the knife unloading seat at the position where the two push blocks swing back and leave the guide groove directly below; It makes the removal of the blade more convenient, fast and safe.

Description

Scalpel blade removal device

The invention relates to the technical field of a blade removal device for a scalpel, in particular to a blade removal device for a scalpel which can make the removal of the blade more convenient and fast.

Please refer to FIGS. 1 and 2 , which show that a general scalpel 1 includes a handle 10 and a blade 11 . Wherein, the front end of the knife handle 10 has a narrower fastening section 12, and the fastening section 12 has a long strip-shaped fastening block 13, and on the opposite two long sides of the fastening block 13, there are two Embedding groove 14. The blade 11 is provided with a long buckle groove 15 for accommodating the fastening block 13. The front section of the long buckle groove 15 has a narrower fastening groove whose two sides can be embedded in the two embedding grooves 14. 16. When assembling, first make the wider front end of the long buckle groove 15 be placed on the front end of the buckle block 13, and then push the blade 11 to make the two sides of the narrower groove 16 slip into the two sides. In the groove 14, the rear end of the buckle block 13 is completely accommodated in the long buckle groove 15 at the same time, and the assembly is completed. During dismounting, it is pushed outwards away from the handle 10 by the rear end of the blade 11 protruding from both sides of the fastening section 12, so that the rear end of the blade 11 forms an angle with the handle 10, and then the The rear end of the blade 11 applies a pushing force to it, so that the blade 11 is moved forward, and the two sides of the draw-in groove 16 are separated from the two embedding grooves 14, so that the blade 11 and the knife can be The handle 10 is detached.

A kind of blade unloading device of conventional scalpel, such as Taiwan Announcement No. M323287 As shown in the No. 1 patent, it mainly uses the wedge-shaped unloading block on the box body to insert between the blade and the handle so that an included angle is formed between the blade and the handle, and then the unloading block is used to The knife block resists the force on the inner side of the blade and the force of the knife handle moving backward, so that the long groove of the blade is separated from the fastening part of the knife handle. However, because the rear end of the blade is generally closely attached to the side surface of the handle, it is not easy to make the unloading block embed between the blade and the handle, and many reciprocating operations are required. The second power may be achieved, and the blade is easy to spray randomly and fly out of the box body and injure the operator when dismounting, and the removal operation of the blade cannot be carried out if its cover body is covered.

The blade unloading device of another kind of conventional scalpel, as shown in the No. M502672 patent of Taiwan announcement, it mainly utilizes the knife handle of this scalpel to be embedded on this disassembly groove of this accommodating box, then put The lid is set on the containing box so that the two triangular protrusions on the inner side of the lid push the rear end of the blade downwards away from the knife handle, and then pull the knife handle outwards away from the handle. part groove, the rear end of the blade is pushed against by the accommodation box, and the blade is pushed forward to completely break away from the handle of a knife and drop into the accommodation box. Therefore, the lid needs to be flipped once every time the blade is to be removed, that is, three actions are required to open the lid, close the lid, and pull out the knife handle when removing the blade, so the operation is troublesome and time-consuming.

In view of this, the present inventors aimed at the above-mentioned problems, conceived deeply, and actively researched and improved trial production to develop and design the present invention.

The main purpose of the present invention is to solve the problems of cumbersome, time-consuming, unsafe and easy-to-cut blade removal operations in conventional scalpel blade removal devices.

The invention provides a blade removing device for a scalpel, which includes a box body and a Unload the knife module. Wherein, the knife unloading module includes a seat, a knife unloading seat and a shrapnel. The seat is combined on the top surface of the box body, and has a guide groove penetrating into the box body for insertion of a scalpel, and a stopper is provided on the front side of the guide groove for the scalpel to stand against when it is pulled upwards. The rear end of one of the blades of the scalpel. The tool unloading seat is swingably combined with the seat and is located below the guide groove. There are two push blocks on the upper side of the top surface of the knife unloading seat, and a groove is formed between the two push blocks. For a fastening section of one handle of the scalpel to pass through, the underside of the top surface of the knife removal seat can be pushed against by the blade of the scalpel to make the knife removal seat swing, and then the two push blocks will The rear end of the blade is pushed outwardly away from the handle. The elastic piece can provide an elastic force to keep the knife unloading seat at the position directly below the two push blocks swinging back and away from the guide groove.

The blade removal device of the scalpel provided by the present invention can be designed by the special structure of the blade removal module, so that the blade can be removed as long as the scalpel is inserted and drawn in a coherent action, so It can make the removal of the blade very convenient and fast, and can avoid the blade from spraying and cutting, and has the advantages of high safety.

1: Scalpel

10: handle

11: blade

12: Fastening section

13: Buckle block

14: embedded groove

15: Long buckle slot

16: card slot

2: box body

20: half box

21: Spacer

22: Operating room

23: storage room

24: missing slot

3: Knife unloading module

30: seat

31: guide seat

310: guide groove

311: Pivot piece

32: cover body

320: Insertion port

321: Resists

322: block

323: hook

40: Knife unloading seat

41: Wear-resistant layer

42: push block

43: Between slots

44: Bump

50: Shrapnel

[Fig. 1] is a three-dimensional exploded schematic diagram of a scalpel.

〔Fig. 2〕 is the schematic diagram of the three-dimensional assembly of the scalpel.

[Fig. 3] is a three-dimensional exploded schematic view of the present invention.

[Fig. 4] is a three-dimensional exploded schematic view of the other side of the present invention.

[Fig. 5] is an enlarged schematic view of the three-dimensional combination of the present invention.

[Fig. 6] is a schematic diagram of the sectional action of the scalpel of the present invention when it is not inserted into the knife unloading module.

[Fig. 7] is a schematic diagram of the sectional action when the front end of the scalpel of the present invention contacts the knife unloading seat.

[Fig. 8] is a schematic diagram of the sectional action when the scalpel of the present invention pushes the knife unloading seat to swing at an angle.

[Fig. 9] is a schematic diagram of the sectional action when the scalpel of the present invention is inserted to a position where it can be pulled upwards.

[Fig. 10] is a schematic diagram of the sectional action when the scalpel of the present invention is pulled upwards.

[Fig. 11] is a schematic diagram of the sectional action when the blade of the present invention is removed.

[Fig. 12] is a combined cross-sectional schematic view of the present invention.

Please refer to Fig. 3 to Fig. 6, which shows that the blade removing device of the scalpel according to the present invention includes a box body 2 and a knife unloading module 3, wherein:

The box body 2 is formed by combining two half boxes 20, and two L-shaped partitions 21 are respectively arranged in the two half boxes 20, so as to divide the interior into an operating room 22 and a storage room 23, There is a gap 24 communicating between the operation chamber 22 and the storage chamber 23 . In the present invention, the box body 2 is transparent.

The knife unloading module 3 includes a seat 30 , a knife unloading seat 40 and a shrapnel 50 . The seat 30 includes a guide seat 31 combined on the top surface of the box body 2 and a cover body 32 combined on the top surface of the guide seat 31 . The guide seat 31 has a guide groove 310 that penetrates into the box body 2 and can be inserted into the scalpel 1. On both sides of the guide groove 310, there are two pivot pieces that extend to the operating room 22 and are parallel to each other. 311. The cover body 32 is provided with an insertion opening 320 penetrating into the guide groove 310 for the scalpel 1 to be inserted into, and the bottom of the cover body 32 has a flexible one extending downward at the front side of the guide groove 310 . Resisting member 321, the lower end of this resisting member 321 has a block 322, which can be used for the rear end of the blade 11 when the scalpel 1 is pulled upwards. The bottom of the block 322 is provided with a hook 323 for the operation Hook the rear end of the blade 11 when the knife 1 is pulled upwards. The knife unloading seat 40 is located between the two pivot pieces 311 , and pivotally mounted on the two pivot pieces 311 so as to be swingable at both sides. The top surface of this knife unloading seat 40 has a wear-resistant layer 41, and this wear-resistant The grinding layer 41 can be a metal sheet. There are two push blocks 42 on the upper side of the top surface of the knife unloading seat 40, a groove 43 is formed between the two push blocks 42 for the fastening section 12 of the knife handle 10 to pass through, and the two push blocks 42 The top surface of the push block 42 is inclined. The bottom surface of the tool unloading seat 40 has a triangular protrusion 44 . The upper end of the elastic piece 50 is combined with the guide seat 31, and the lower end is extended to abut against one side of the protrusion 44, so as to provide an elastic force to keep the knife unloading seat 40 on the two push blocks 42 and swing backward away from the guide. The position directly below the groove 310.

Please refer to Fig. 6 and Fig. 7, when the front end of the scalpel 1 is inserted downward through the insertion opening 320 and guided by the guide groove 310, the lower end of the stopper 321 will be held by the knife handle. 10 moves forward elastically, and the front end of the blade 11 will first push against the wear-resistant layer 41 on the top surface of the knife unloading seat 40 .

Please refer to Fig. 8 again, when the scalpel 1 continues to move downward, the blade 11 will push against the lower end of the top surface of the knife unloading seat 40, so that the knife unloading seat 40 will swing, and then the upper end In addition, the two push blocks 42 will push the rear end of the blade 11 forward to form an included angle with the handle 10, and at the same time, the lower end of the resisting member 321 will be elastically pushed forward and deformed by the rear end of the blade 11. .

Please refer to Fig. 9 again, when the scalpel 1 continues to move downward until the rear end of the blade 11 leaves the lower end of the stopper 321, the stopper 322 at the lower end of the stopper 321 will pass through the stopper 321 The elastic force rebounds and hits the handle 10 of the knife, and then produces a "click" sound, which can remind the operator that the handle 10 of the scalpel 1 can be pulled upwards.

Please refer to Fig. 10 again, when the scalpel 1 moves upwards, the rear end of the blade 11 will be against the bottom of the block 322, and will be caught by the hook 323 to prevent the rear end of the blade 11 from moving upwards. Rebound against this knife handle 10 direction.

Please refer to again shown in Figure 11, when the handle 10 of the scalpel 1 continues to be pulled upwards, the rear end of the blade 11 will be blocked by the stopper 322, and the blade 11 will be pushed forward, so that The two sides of the clamping groove 16 break away from the two embedding grooves 14, thereby completely separating the blade 11 from the knife handle 10, and at the same time, the elastic force of the shrapnel 50 will push the projection 44 to make the knife unloading seat 40 bounce back to its original position. bit.

Please refer to Fig. 3 to Fig. 5 and Fig. 12, when the blade 11 is detached from the handle 10, it will fall into the storage chamber 23, and can pass through the L-shaped area of the two partitions 21. In this way, the removed blade 11 will not be ejected into the operation chamber 22 to interfere with the operation of the unloading module 3

The blade removal device of the scalpel provided by the present invention can be designed by the special structure of the above-mentioned blade removal module 3, so that the blade can be completed as long as the scalpel 1 is inserted and drawn in a coherent action. Therefore, it is very convenient and fast to remove the blade, and it can avoid the blade from spraying and cutting and has the advantages of high safety.

2: box body

20: half box

21: spacer

22: Operating room

23: storage room

24: missing slot

3: Knife unloading module

30: seat

31: guide seat

310: guide groove

311: Pivot piece

32: cover body

320: Insertion port

321: Resists

322: block

40: Knife unloading seat

41: Wear-resistant layer

42: push block

43: Between slots

50: Shrapnel

Claims (9)

A blade removal device for a scalpel, comprising: a box; and A knife unloading module includes a seat, a knife unloading seat and a shrapnel, the seat is combined on the top surface of the box body, and has a guide groove penetrating into the box body for insertion of a scalpel. The front side of this guide groove is provided with a stopper and can support the rear end of one of the blades of this scalpel when the scalpel is drawn upwards. Below, there are two push blocks near the upper side of the top surface of the knife unloading seat. The underside of the top surface can be pushed against by the blade of the scalpel to make the knife unloading seat swing, and then the two push blocks push the rear end of the blade away from the handle, and the shrapnel can provide an elastic force to make the knife handle The knife unloading seat is usually maintained at the position where the two push blocks swing back and leave the position directly below the guide groove. The blade removing device of the scalpel as described in claim 1, wherein the resisting member is elastic, and the lower end of the resisting member has a stopper, which can be used to resist the rear end of the blade when the scalpel is pulled upwards, The bottom of the block is provided with a hook portion, which can hook the rear end of the blade when the scalpel is pulled upwards. The blade removal device for scalpels as described in claim 1, wherein the seat includes a guide seat combined on the top surface of the box body and a cover combined on the top surface of the guide seat, and the guide groove is arranged on the On the guide seat, and on both sides of the guide groove, there are two pivot pieces parallel to each other for pivoting on both sides of the knife unloading seat. The cover body is provided with an insertion opening through the guide groove for the operation The knife is inserted, and the stopper is arranged at the bottom of the cover. The blade removing device of the scalpel as described in claim 1, wherein the The top surface of the knife unloading seat has a wear-resistant layer. The blade removal device for a scalpel as claimed in claim 4, wherein the wear-resistant layer can be a metal sheet. The blade removal device for scalpels as described in Claim 1, wherein the bottom surface of the knife removal seat has a protrusion, the upper end of the shrapnel is combined with the seat, and the lower end is extended to abut against the protrusion One side, to provide an elastic force so that the knife unloading seat is usually maintained at the position where the two push blocks swing back and leave the position directly below the guide groove. The blade removal device for a scalpel as claimed in claim 1, wherein the box system is transparent. The blade removal device for a scalpel according to claim 1, wherein the box system is formed by combining two half boxes. As the blade removal device of the scalpel as described in claim 8, two L-shaped partitions are respectively arranged in the two half boxes, so as to divide the interior into an operation room and a storage room, and make the removal The knife module group is located in the operating room, and there is a gap between the operating room and the storage room, so that the removed blade can only fall into the storage room through the slot, and will not fall into the storage room. in the operating room.

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