CN111604829B

CN111604829B - Tweezers with replaceable tweezers heads and loading and replacing assembly thereof

Info

Publication number: CN111604829B
Application number: CN202010307485.4A
Authority: CN
Inventors: 李士芝; 葛志霞; 李瑞博; 祝成红; 叶梅
Original assignee: Rocket Force Characteristic Medical Center of PLA
Current assignee: Rocket Force Characteristic Medical Center of PLA
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2022-07-12
Anticipated expiration: 2040-04-17
Also published as: CN111604829A

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to tweezers with replaceable tweezers heads and a loading and replacing assembly thereof. The purpose is as follows: the problem of the chuck that current tweezers structural defect leads to can not be changed, tweezers support is extravagant is solved.

Description

Tweezers with replaceable tweezer heads and loading and replacing assembly thereof

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to forceps with replaceable forceps heads and a loading and replacing assembly of the forceps.

Background

Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software. The medical appliance industry relates to a plurality of industries such as medicine, machinery, electronics, plastics and the like, and is a high-technology industry with multiple disciplines crossing, knowledge intensive and capital intensive. The basic characteristic of the medical equipment with high and new technology is digitalization and computerization, is the multidisciplinary and cross-field modern high-technology crystal, and has high technical content and high profit, so the equipment is a high-level system for mutual competition of all scientific and technological countries and international large-scale companies, and has higher intervention threshold. Even in the sub-industries with low overall gross profit rate and low investment of the industry, products with high technical content are continuously produced, and some enterprises with high profit capacity are bred from the products. The general industry trend is therefore high investment and high revenue. With the development of the medical industry of China and the update of partial hospital equipment, in recent years, the market demand of the medical image diagnosis equipment of China is increased rapidly, the development of the medical image diagnosis equipment industry of China is promoted objectively, in the process of rapid development, some enterprises grow greatly continuously, certain competitiveness is formed, and the market share of the medical image diagnosis equipment which is produced autonomously in China is improved to some extent.

However, the forceps special for the traditional medical instrument has defects in the use process, the forceps head of the forceps is either pointed or wide, the forceps in various shapes need to be prepared in the use process, the use is inconvenient, the forceps head cannot be replaced, and the waste of the forceps bracket is caused.

Disclosure of Invention

The purpose of the invention is: aims to provide tweezers with replaceable tweezer heads and a loading and replacing component thereof, which are used for solving the problems that the existing tweezers are not replaceable due to structural defects, and the tweezers bracket is wasted.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a tweezers of removable tweezers head, includes tweezers support and two tweezers heads, the tweezers support includes two tweezers arms, the lower extreme lateral surface of tweezers arm is seted up flutedly, be equipped with the fixture block in the recess, the fixture block is the tilt state, the lower extreme and the tweezers arm fixed connection of fixture block, blind groove has been seted up to the up end of tweezers head, the tweezers arm lower extreme is worn to establish at blind inslot, the draw-in groove has been seted up to tweezers head upper portion outer wall, the draw-in groove is linked together with blind groove, the fixture block is located the draw-in groove, the tweezers head has the blend stop in the horizontal integrated into one piece in draw-in groove upper portion.

Further inject, the fixture block upper end is close to the horizontal integrated into one piece in tweezers arm one side and has the sand grip, the tweezers arm has seted up the rectangle through-hole on recess upper portion, the sand grip is corresponding with the rectangle through-hole. Due to the structural design, the supporting area of the clamping block for the barrier strip is increased through the convex strip, and the problem that the forceps head falls off when the forceps are used is avoided; the rectangular through hole is used for accommodating the convex strip, and when the fixture block is pressed to be attached to the groove, the convex strip is located in the rectangular through hole, so that more space is not occupied.

Further limit, the lower end of the forceps arm is in an inverted trapezoidal structure with a narrow lower part and a wide upper part. The lower end of the forceps arm can conveniently enter the blind groove due to the structural design, and the use is convenient.

Further inject, the vertical integrated into one piece of outer wall of fixture block has the bar piece, the blend stop middle part seted up with bar piece assorted first breach. Due to the structural design, when the forceps head is replaced, the upper end of the clamping block can move inwards by pressing the strip-shaped block, so that the clamping block is separated from the blocking of the blocking strip; meanwhile, the strip-shaped block corresponds to the first notch, so that the strip-shaped block can pass through the first notch without blocking the detachment of the forceps head.

A loading and replacing assembly of tweezers with replaceable tweezers heads is used for loading and replacing the tweezers with the replaceable tweezers heads and comprises a vertical box and a folding box, wherein one side of the vertical box, which is far away from the folding box, is provided with an opening, the vertical box is provided with a vertical barrel in the opening, the upper end surface of the vertical box is provided with a rectangular mounting hole, a dismounting part is arranged in the rectangular mounting hole and comprises a transverse plate, the transverse plate is provided with two insertion seams, two ends of the transverse plate are both provided with rectangular blind holes, the transverse plate is also provided with a rectangular sliding hole, the width of the rectangular sliding hole is smaller than that of the rectangular blind hole, the rectangular sliding hole is communicated with the rectangular blind holes and the insertion seams, a sliding block penetrates through the rectangular sliding hole, one end of the sliding block is positioned in the insertion seams, and the end surface of the sliding block, which is positioned in the insertion seams, is an inclined surface, the sliding block other end is fixed in the rectangle blind hole and is equipped with spacing, diaphragm both sides lateral wall still fixed mounting has the plugging strip, be equipped with the arc shell fragment in the rectangle blind hole, the arc shell fragment is located between plugging strip and the spacing, the terminal surface still fixedly is equipped with the briquetting in the slotting outside under the diaphragm. Due to the structural design, when the forceps head needs to be replaced after use, the forceps head can be detached only by inserting the forceps provided with the forceps head into the insertion slot and pulling out the forceps bracket, so that the use is convenient; the detached forceps head falls into the vertical barrel, so that the subsequent treatment of the forceps head is facilitated.

Further inject, the diaphragm is respectively integrated into one piece in slotting both sides has a trapezoidal boss, trapezoidal boss is close to slotting one side and is the inclined plane. Due to the structural design, the trapezoidal boss plays a role in guiding the tweezers, and when the tweezers provided with the tweezers heads are disassembled, the tweezers provided with the tweezers heads can be inserted into the insertion slot more conveniently, so that the disassembly is more convenient.

Further limiting, the folding box comprises a bottom box, a plurality of auxiliary boxes and a top cover which are overlapped from bottom to top, the bottom box is positioned at the lower part of one side of the vertical box and is fixedly connected with the vertical box, the top cover is far away from one side of the vertical box and is fixedly connected with a support plate, the outer walls of the front side and the rear side of the bottom box, the auxiliary boxes and the top cover are fixedly provided with first hinge columns, the first hinge columns of the side walls of the auxiliary boxes are hinged with first hinge rods, the middle sections of the side walls of the first hinge rods are provided with first through holes, the first hinge columns are hinged with the first hinge columns through the first through holes, the side walls of the auxiliary boxes are fixedly provided with second hinge columns at the left side and the right side of the first hinge columns, the side walls of the bottom box are also fixedly provided with second hinge columns at the side of the first hinge columns close to the support plate, and the side walls of the top cover are also fixedly provided with second hinge columns at the side of the first hinge columns far away from the support plate, the two ends of the side wall of the first hinge rod are respectively provided with a second through hole, the first hinge rod is obliquely arranged, one end of the first hinge rod, which is close to the support plate, is hinged in the second hinge column of the next layer through a second through hole, one end of the first hinge rod, which is far away from the support plate, is hinged in the second hinge column of the upper layer through a second through hole, the first hinge column of the bottom box is hinged with a second hinge rod, the free end of the side wall of the second hinge rod is provided with a third through hole, the free end of the second hinge rod is hinged on the second hinge column of the side box of the lowest layer, which is far away from the support plate, the first hinge column of the top cover is hinged with a third hinge rod, the free end of the side wall of the third hinge rod is provided with a fourth through hole, and the free end of the third hinge rod is hinged on the second hinge column of the side box of the uppermost layer, which is close to the support plate, install the foam-rubber cushion in under casing and the auxiliary tank, a plurality of standing grooves have evenly been seted up on the foam-rubber cushion, tweezers and tweezers head are placed respectively in the standing groove that corresponds, install the hasp between upright roof and the top cap, still install the handle on the top cap. Due to the structural design, the tweezers and the tweezers heads can be placed in the corresponding placing grooves, when the tweezers are used, the lock catch is opened, the folding box is unfolded, the tweezers are taken out from the sponge pad, and then the tweezers are inserted into the corresponding tweezers heads, so that the installation between the tweezers heads and the tweezers is completed, and the tweezers are convenient to use; the left side of the folding box is supported by the supporting plate, so that supporting points for the folding box are increased, and the problem of tipping caused by the fact that no supporting point is arranged on the left side of the device replacing component after the folding box is unfolded is solved; after the use is finished, the folding box is folded, the top cover and the vertical box are fixed together through the lock catch, the loading and replacing assembly can be moved through the handle, and the use is convenient.

Further inject, found case upper portion and be close to folding box one side and seted up the second breach, fixed mounting has the dog on the top cap, the dog is located the second breach, and is located upright bucket top, found case lower part transversely is equipped with the horizontal bar in the opening part. Due to the structural design, the vertical barrel is positioned in the vertical box, when the loading replacement assembly moves, the stop block is clamped in the second gap, the upper end of the vertical barrel is blocked, and the vertical barrel can be prevented from falling from the vertical box by matching with the blocking of the lower end of the horizontal bar vertical barrel; after the folding box is opened, the vertical barrel can be easily taken out of the vertical box, and the folding box is simple in structure and convenient to use.

The invention adopting the technical scheme has the advantages that:

1. the forceps heads and the forceps supports are matched with each other through the clamping blocks, the clamping grooves, the blind grooves and the blocking strips, so that the forceps heads and the forceps supports are detachably connected, and the problems that clamping heads cannot be replaced and the forceps supports are wasted due to structural defects of existing forceps are solved;

2. the supporting area of the clamping block to the blocking strip is increased through the convex strip, so that the problem that the forceps head falls off in the use process of the forceps is avoided; the rectangular through hole is used for accommodating the convex strip, and when the clamping block is pressed to be attached to the groove, the convex strip is positioned in the rectangular through hole, so that more space is not occupied;

3. through the mutual matching of the strip-shaped block and the first notch, when the forceps head is replaced, the upper end of the clamping block can move inwards by pressing the strip-shaped block, so that the clamping block is separated from the blocking of the blocking strip; meanwhile, the strip-shaped block corresponds to the first notch, so that the strip-shaped block can pass through the first notch without blocking the disassembly of the forceps head;

4. the forceps heads on the forceps bracket are loaded and replaced through the loading and replacing assembly, so that the forceps heads are more convenient and quicker to replace;

5. the tweezers heads and the tweezers supports are loaded through the folding box, so that the tweezers heads are conveniently found out according to different directions while the tweezers supports and the tweezers heads are convenient to carry.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of a pair of tweezers with replaceable forceps heads according to embodiment 1 of the invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1:

FIG. 3 is a schematic structural view of a forceps holder portion of the pair of forceps with replaceable forceps heads according to embodiment 1 of the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 3:

FIG. 5 is a schematic sectional view showing the forceps holder portion of the forceps with replaceable forceps heads according to embodiment 1 of the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5:

figure 7 is a schematic structural view of a forceps head part of the forceps with replaceable forceps heads according to embodiment 1 of the invention;

FIG. 8 is a schematic structural view of a stripper portion of the load change assembly of embodiment 2 of the present invention;

FIG. 9 is a schematic cross-sectional view of a stripper portion of the load change assembly of embodiment 2 of the present invention;

FIG. 10 is a first schematic view of the expanded configuration of the loading exchange assembly according to embodiment 2 of the present invention;

FIG. 11 is an enlarged view of the structure of FIG. 10 at D;

FIG. 12 is a cross-sectional view of the load change assembly of embodiment 2 of the present invention;

FIG. 13 is an enlarged view of the structure of FIG. 12 at E;

FIG. 14 is a schematic structural view showing a closed state of the load change assemblies according to embodiment 2 of the present invention;

FIG. 15 is a second schematic structural view of the loading exchange assembly of embodiment 2 of the present invention in an expanded state;

the main element symbols are as follows:

a forceps arm 1, a groove 11, a clamping block 12, a convex strip 121, a rectangular through hole 122, a strip-shaped block 13,

The forceps head 2, the blind groove 21, the clamping groove 22, the barrier strip 23, the first notch 230,

The vertical box 3, the vertical barrel 30, the rectangular mounting hole 301, the transverse plate 31, the trapezoidal boss 310, the inserting slot 311, the rectangular blind hole 32, the sliding block 33, the limit strip 330, the sealing strip 34, the arc-shaped elastic sheet 340, the press block 35,

A bottom case 41, a sub-case 42, a first hinge column 421, a first hinge rod 422, a second hinge column 423, a second hinge rod 424, a third hinge rod 425,

The top cover 43, the supporting plate 431, the sponge cushion 44, the placing groove 441, the lock catch 45, the handle 450, the second notch 46, the stop 460 and the cross bar 461.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc., used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.

It should be noted that the forceps head 2 includes a tooth forceps, a hook forceps, a flat forceps, etc., and the connection structure of the different forceps heads 2 and the forceps arm 1 is the same, but the difference lies in that the lower part of the forceps head 2, for example, the inner side surface of the tooth forceps is provided with teeth, and the lower end of the hook forceps is in a hook shape.

Example 1

As shown in fig. 1 to 7, the tweezers with replaceable tweezers heads of the embodiment includes a tweezers support and two tweezers heads 2, the tweezers support includes two tweezers arms 1, a groove 11 is formed on an outer side surface of a lower end of each tweezers arm 1, a fixture block 12 is arranged in the groove 11, the fixture block 12 is in an inclined state, a lower end of the fixture block 12 is fixedly connected to the tweezers arms 1, a blind groove 21 is formed on an upper end surface of each tweezers head 2, the lower end of each tweezers arm 1 is inserted into the blind groove 21, a clamping groove 22 is formed in an outer wall of an upper portion of each tweezers head 2, the clamping groove 22 is communicated with the blind groove 21, the fixture block 12 is located in the clamping groove 22, and a blocking strip 23 is transversely and integrally formed on an upper portion of the clamping groove 22 of each tweezers head 2.

A protruding strip 121 is integrally formed at one side of the upper end of the clamping block 12 close to the forceps arm 1 in the transverse direction, a rectangular through hole 122 is formed at the upper part of the groove 11 of the forceps arm 1, and the protruding strip 121 corresponds to the rectangular through hole 122. The supporting area of the blocking strip 23 by the clamping block 12 is increased through the convex strip 121, so that the problem that the forceps head 2 falls off in the use process of the forceps is solved; the rectangular through hole 122 is used for accommodating the protruding strip 121, and when the latch 12 is pressed to be attached to the groove 11, the protruding strip 121 is located in the rectangular through hole 122, and therefore, more space is not occupied.

The lower end of the forceps arm 1 is of an inverted trapezoidal structure with a narrow lower part and a wide upper part. The lower end of the forceps arm 1 can conveniently enter the blind groove 21, and the use is convenient.

The outer wall of the clamping block 12 is vertically and integrally formed with a strip-shaped block 13, and the middle of the barrier strip 23 is provided with a first notch 230 matched with the strip-shaped block 13. When the forceps head 2 is replaced, the upper end of the clamping block 12 can move inwards by pressing the strip-shaped block 13, so that the clamping block 12 is separated from the blocking of the blocking strip 23; meanwhile, the strip-shaped block 13 corresponds to the first notch 230, so that the strip-shaped block 13 can pass through the first notch 230 without blocking the disassembly of the forceps head 2.

Example 2

A loading and replacing assembly of tweezers with replaceable tweezers heads is used for loading and replacing the tweezers with replaceable tweezers heads in embodiment 1, and comprises a vertical box 3 and a folding box, wherein one side of the vertical box 3, which is far away from the folding box, is provided with an opening, a vertical barrel 30 is arranged in the opening of the vertical box 3, the upper end surface of the vertical box 3 is provided with a rectangular mounting hole 301, a dismounting part is arranged in the rectangular mounting hole 301, the dismounting part comprises a transverse plate 31, the transverse plate 31 is provided with two insertion slits 311, two ends of the transverse plate 31 are provided with rectangular blind holes 32, the transverse plate 31 is further provided with a rectangular sliding hole, the width dimension of the rectangular sliding hole is smaller than that of the rectangular blind hole 32, the rectangular sliding hole is communicated with the rectangular blind hole 32 and the insertion slit 311, a sliding block 33 is arranged in the rectangular sliding hole, one end of the sliding block 33 is positioned in the insertion slit 311, and the end surface of the sliding block 311 is an inclined surface, the other end of the sliding block 33 is fixedly provided with a limiting strip 330 in the rectangular blind hole 32, the side walls of the two sides of the transverse plate 31 are also fixedly provided with a sealing strip 34, an arc-shaped elastic sheet 340 is arranged in the rectangular blind hole 32, the arc-shaped elastic sheet 340 is positioned between the sealing strip 34 and the limiting strip 330, and the lower end surface of the transverse plate 31 is also fixedly provided with a pressing block 35 outside the inserting seam 311. When the used forceps head 2 needs to be replaced, the forceps provided with the forceps head 2 are inserted into the insertion slot 311, and then the forceps bracket is pulled out, so that the forceps head 2 can be detached, and the use is convenient; the disassembled forceps head 2 falls into the vertical barrel 30, so that the subsequent treatment of the forceps head 2 is facilitated.

The transverse plate 31 is integrally formed with a trapezoidal boss 310 at each of two sides of the insertion slot 311, and the side surface of the trapezoidal boss 310 near the insertion slot 311 is an inclined surface. The trapezoidal boss 310 guides the tweezers, so that when the tweezers provided with the tweezers heads 2 are disassembled, the tweezers provided with the tweezers heads 2 can be inserted into the insertion slots 311 more conveniently, and the disassembly is more convenient.

The folding box comprises a bottom box 41, a plurality of auxiliary boxes 42 and a top cover 43 which are overlapped from bottom to top, the bottom box 41 is positioned at the lower part of one side of the vertical box 3 and is fixedly connected with the vertical box 3, one side of the top cover 43 far away from the vertical box 3 is fixedly connected with a support plate 431, the outer walls of the front side and the rear side of the bottom box 41, the auxiliary boxes 42 and the top cover 43 are fixedly provided with first hinged columns 421, the first hinged columns 421 are hinged on the first hinged columns 421 of the side walls of the auxiliary boxes 42, the middle sections of the side walls of the first hinged columns 422 are provided with first through holes, the first hinged columns 421 are hinged on the first hinged columns 421 through the first through holes, the side walls of the auxiliary boxes 42 are fixedly provided with second hinged columns 423 on the left side and the right side of the first hinged columns 421, the side walls of the bottom box 41 are also fixedly provided with second hinged columns 423 on one side of the first hinged columns 421 close to the support plate 431, the side walls of the top cover 43 are also fixedly provided with second hinged columns 423 on one side of the first hinged columns 421 far away from the support plate 431, the two ends of the side wall of the first hinged rod 422 are respectively provided with a second through hole, the first hinged rod 422 is obliquely arranged, one end of the first hinged rod 422 close to the support plate 431 is hinged in the second hinged column 423 at the next layer through the second through hole, one end of the first hinged rod 422 far away from the support plate 431 is hinged in the second hinged column 423 at the previous layer through the second through hole, the first hinged column 421 of the bottom box 41 is hinged with a second hinged rod 424, the free end of the side wall of the second hinged rod 424 is provided with a third through hole, the free end of the second hinged rod 424 is hinged on the second hinged column 423 at the side far away from the support plate 431 of the sub-box 42 at the lowest layer through the third through hole, the first hinged column 421 of the top cover 43 is hinged with a third hinged rod 425, the free end of the side wall 425 of the third hinged rod is provided with a fourth through hole, the free end of the third hinged rod 425 is hinged on the second hinged column 423 at the side of the sub-box 42 at the uppermost layer close to the support plate 431, the bottom case 41 and the auxiliary case 42 are provided with sponge cushions 44, the sponge cushions 44 are evenly provided with a plurality of placing grooves 441, the tweezers and the tweezers heads 2 are respectively placed in the corresponding placing grooves 441, the lock catch 45 is arranged between the top of the vertical case 3 and the top cover 43, and the top cover 43 is further provided with a handle 450. The tweezers and the tweezers heads 2 can be placed in the corresponding placing grooves 441, when the tweezers are used, the lock catches 45 are opened, the folding box is unfolded, the tweezers are taken out of the spongy cushion 44, then the tweezers are inserted into the corresponding tweezers heads 2, and the installation between the tweezers heads 2 and the tweezers is completed, so that the tweezers are convenient to use; the left side of the folding box is supported by the supporting plate 431, so that supporting points for the folding box are increased, and the problem of tipping caused by the fact that no supporting point is arranged on the left side of the device replacing component after the folding box is unfolded is solved; after the use, fold the folding box to fix together top cap 43 and upright case 3 through hasp 45, can remove convenient to use through handle 450 to loading change subassembly.

A second notch 46 is formed in one side, close to the folding box, of the upper part of the vertical box 3, a stop block 460 is fixedly mounted on the top cover 43, the stop block 460 is located in the second notch 46 and above the vertical barrel 30, and a cross bar 461 is transversely arranged at the opening of the lower part of the vertical box 3. The vertical barrel 30 is positioned in the vertical box 3, when the loading replacement assembly is moved, the stop block 460 is clamped in the second notch 46, the upper end of the vertical barrel 30 is blocked, and the vertical barrel 30 can be prevented from falling from the vertical box 3 by matching with the blocking of the lower end of the vertical barrel 30 by the transverse bar 461; after the folding box is opened, the vertical barrel 30 can be easily taken out from the vertical box 3, the structure is simple, and the use is convenient.

In the embodiment, before use, the forceps holder and each forceps head 2 house are placed in the corresponding placing groove 441;

when the tweezers holder is used, the lock catch 45 is opened, the folding box is unfolded, the tweezers are taken out of the spongy cushion 44 and then inserted into the corresponding tweezers head 2, so that the fixture blocks 12 of the tweezers holder are clamped into the clamp grooves 22, and the installation between the tweezers head 2 and the tweezers is completed;

when the used forceps head 2 needs to be replaced, the forceps provided with the forceps head 2 are inserted into the insertion slot 311, and when the forceps head 2 is inserted, the sliding block 33 is pushed by the forceps head 2 to move towards two sides by overcoming the prestress of the arc-shaped elastic sheet 340, so that the forceps head 2 and the lower end of the forceps arm 1 are allowed to pass;

the forceps continue to press down until the bar-shaped block 13 contacts the pressing block 35, the pressing block 35 applies a reaction force to the clamping block 12 through the bar-shaped block 13, so that the clamping block 12 is pressed to be attached to the groove 11, and the clamping block 12 is separated from the blocking of the blocking strip 23;

continuously pressing the forceps until the sliding block 33 is separated from the forceps head 2, resetting under the action of the arc-shaped elastic sheet 340 and placing the forceps head 2 above;

at the moment, the tweezers are pulled upwards, the tweezers head 2 is blocked by the sliding block 33 while the barrier strip 23 is separated from blocking the clamping block 12, the tweezers head 2 can be separated from the tweezers arm 1 by pulling the tweezers upwards, the dismounting of the tweezers head 2 is completed, and the tweezers head 2 dismounted from the tweezers bracket falls into the vertical barrel 30;

finally, selecting the corresponding forceps head 2 on the spongy cushion 44, and reinserting the forceps bracket into the corresponding forceps head 2;

after the use, put into corresponding standing groove 441 again tweezers support 1, again close the folding box to through hasp 45 with found case 3 fixed together, can remove loading change subassembly through handle 450.

The tweezers with the replaceable tweezer heads and the loading and replacing component thereof provided by the invention are described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a subassembly is changed in loading of tweezers of removable tweezers head which characterized in that: the loading replacement component comprises a vertical box (3) and a folding box, wherein one side of the vertical box (3) away from the folding box is provided with an opening, the vertical box (3) is provided with a vertical barrel (30) in the opening, the upper end surface of the vertical box (3) is provided with a rectangular mounting hole (301), a dismounting part is arranged in the rectangular mounting hole (301) and comprises a transverse plate (31), two inserting seams (311) are arranged on the transverse plate (31), rectangular blind holes (32) are arranged at two ends of the transverse plate (31), a rectangular sliding hole is further arranged on the transverse plate (31), the width of the rectangular sliding hole is smaller than that of the rectangular blind hole (32), the rectangular sliding hole is communicated with the rectangular blind holes (32) and the inserting seams (311), a sliding block (33) is arranged in the rectangular sliding hole in a penetrating manner, one end surface of the sliding block (33) is positioned in the inserting seams (311) and one end surface of the sliding block (311) is an inclined surface, the other end of the sliding block (33) is fixedly provided with a limiting strip (330) in the rectangular blind hole (32), the side walls of two sides of the transverse plate (31) are further fixedly provided with a sealing strip (34), an arc-shaped elastic sheet (340) is arranged in the rectangular blind hole (32), the arc-shaped elastic sheet (340) is positioned between the sealing strip (34) and the limiting strip (330), the lower end surface of the transverse plate (31) is further fixedly provided with a pressing block (35) outside the insertion seam (311), the pressing block comprises a forceps bracket and two forceps heads (2) which are used in a matched manner, the forceps bracket comprises two forceps arms (1), the outer side surface of the lower end of each forceps arm (1) is provided with a groove (11), a clamping block (12) is arranged in each groove (11), the clamping block (12) is in an inclined state, the lower end of the clamping block (12) is fixedly connected with the forceps arms (1), and the upper end surface of each forceps head (2) is provided with a blind groove (21), the forceps head is characterized in that the lower end of the forceps arm (1) is arranged in a blind groove (21) in a penetrating mode, a clamping groove (22) is formed in the outer wall of the upper portion of the forceps head (2), the clamping groove (22) is communicated with the blind groove (21), the clamping block (12) is located in the clamping groove (22), a blocking strip (23) is formed in the upper portion of the clamping groove (22) in a transverse and integrated mode, a strip-shaped block (13) is formed in the vertical and integrated mode of the outer wall of the clamping block (12), and a first notch (230) matched with the strip-shaped block (13) is formed in the middle of the blocking strip (23).

2. The load change assembly of forceps with interchangeable forceps heads of claim 1, wherein: one side, close to the forceps arm (1), of the upper end of the clamping block (12) is transversely and integrally formed with a protruding strip (121), a rectangular through hole (122) is formed in the upper portion of the groove (11) of the forceps arm (1), and the protruding strip (121) corresponds to the rectangular through hole (122).

3. The load change assembly of forceps with interchangeable forceps heads of claim 1, wherein: the lower end of the forceps arm (1) is of an inverted trapezoidal structure with a narrow lower part and a wide upper part.

4. The load change assembly of forceps with interchangeable forceps heads of claim 1, wherein: the transverse plate (31) is provided with a trapezoidal boss (310) on each of two sides of the insertion slot (311), and the side surface of the trapezoidal boss (310) close to one side of the insertion slot (311) is an inclined surface.

5. The loading exchange assembly of forceps with interchangeable forceps heads, according to claim 1, wherein: the folding box comprises a bottom box (41), a plurality of auxiliary boxes (42) and a top cover (43) which are arranged in an overlapped mode from bottom to top, the bottom box (41) is located on the lower portion of one side of the vertical box (3) and is fixedly connected with the vertical box (3), the top cover (43) is far away from a supporting plate (431) fixedly connected with one side of the vertical box (3), first hinged columns (421) are fixedly arranged on the outer walls of the front side and the rear side of the bottom box (41), the auxiliary boxes (42) and the top cover (43), first hinged rods (422) are hinged on the first hinged columns (421) of the side wall of the auxiliary box (42), first through holes are formed in the middle section of the side wall of each first hinged rod (422), the first hinged columns (421) are hinged on the first hinged columns (421) through the first through holes, second hinged columns (423) are fixedly arranged on the side wall of the auxiliary box (42) on the left side and the right side of each first hinged column (421), the side wall of the bottom box (41) is also fixedly provided with a second hinged column (423) on one side of the first hinged column (421) close to the support plate (431), the side wall of the top cover (43) is also fixedly provided with a second hinged column (423) on one side of the first hinged column (421) far away from the support plate (431), the two ends of the side wall of the first hinged rod (422) are respectively provided with a second through hole, the first hinged rod (422) is obliquely arranged, one end of the first hinged rod (422) close to the support plate (431) is hinged in the second hinged column (423) of the next layer through the second through hole, one end of the first hinged rod (422) far away from the support plate (431) is hinged in the second hinged column (423) of the previous layer through the second through hole, the first hinged column (421) of the bottom box (41) is hinged with a second hinged rod (424), the free end of the side wall of the second hinged rod (424) is provided with a third through hole, the free end of the second hinge rod (424) is hinged to a second hinge column (423) at one side, far away from the support plate (431), of the sub-box (42) at the lowest layer through a third through hole, a third hinge rod (425) is hinged to a first hinge column (421) of the top cover (43), a fourth through hole is formed in the free end of the side wall of the third hinge rod (425), the free end of the third hinge rod (425) is hinged to the second hinge column (423) at one side, close to the support plate (431), of the sub-box (42) at the highest layer through a fourth through hole, sponge cushions (44) are installed in the bottom box (41) and the sub-boxes (42), a plurality of placing grooves (441) are uniformly formed in the sponge cushions (44), the tweezers and the tweezers heads (2) are respectively placed in the corresponding placing grooves (441), and buckles (45) are installed between the top of the vertical box (3) and the top cover (43), the top cover (43) is also provided with a handle (450).

6. The load change assembly of forceps with interchangeable forceps heads of claim 5, wherein: found case (3) upper portion and be close to folding box one side and seted up second breach (46), fixed mounting has dog (460) on top cap (43), dog (460) are located second breach (46), and are located upright bucket (30) top, found case (3) lower part transversely is equipped with horizontal strip (461) in the opening part.