CN219585804U - Multifunctional bottle opening device - Google Patents

Abstract

The utility model relates to a multifunctional bottle opening device, which comprises: the clamp body forms a device main body based on a symmetrical labor-saving lever structure; the first cover opening part is at least used for opening the first type bottle caps; the second cover opening part is at least used for opening the second type bottle cap; the pliers body is provided with at least partial structures of the first cover opening part and the second cover opening part and/or arrangement spaces of the first cover opening part and the second cover opening part in a mode that at least partial structures extend in a non-same direction and/or are connected in a non-same plane. The device disclosed by the utility model has the advantages that the structure of the cover opening structure suitable for different types of bottle cap opening operations is designed in a correlated manner with the structure of the clamp body, the device can be used as part of the cover opening structure or the arrangement space by using the structure of the clamp body, the device is multifunctional, applicable and convenient to carry and store, the device can perform the cover opening operation without unfolding the clamp body, and the structural stability is strong.

Description

Multifunctional bottle opening device

Technical Field

The utility model relates to the technical field of auxiliary tools, in particular to the technical field of auxiliary tools of medical instruments, and specifically relates to a multifunctional bottle opening device.

Background

The bottle structure is widely used as a good carrier for packaging liquid, powder and particles in the fields of medicine, food, daily chemicals, industry and the like, and based on the differentiation of the functional requirements, the closed position of the bottle structure communicated with the external space is designed in a diversified manner. Taking the medicine field as an example, ampoule, pull ring type infusion bottle, penicillin bottle, aluminum plastic combined cover bottle, alloy aluminum cover bottle and the like are common, so that the bottle cover structure of the bottle structure comprises an ampoule type integrated cover, a plastic rubber plug or wood plug, a pull ring type plastic cover, a rotary plastic cover, a plastic aluminum combined cover, an alloy aluminum cover and the like. For example, ampoules are a sealed, high quality, thin glass bottle commonly used for storing drugs for injection, as well as vaccines, serum, and the like. The penicillin bottle is a small bottle sealed by a rubber plug, has brown, transparent and other types, is generally made of glass materials, and is generally used as a medicinal injection bottle, an oral liquid bottle and the like.

The bottle cap structure is opened by means of a tool to reduce the difficulty of opening, for example, medical care work relates to the opening operation of bottle caps with various bottle structures, and is commonly ampoule, pull ring type plastic cap, aluminum plastic combined cap and the like, when a hand or a tool with a tip is used for opening a bottle for a long time, the hand is forced to be painful or the bottle is difficult to open, even fingers are cut or scratched to reduce the nursing efficiency, and then the bottle opening device which is applicable to the bottle cap structure and is portable and easy to use is necessary.

In the prior art, regarding a fixed size bottle opener, the patent with the bulletin number of CN206142786U discloses a multifunctional medical bottle opener, which sequentially comprises a force application plate, a force application rod and a handle from top to bottom, wherein the force application plate is semicircular, a starting opening is arranged on the force application plate and is semicircular, the starting opening comprises a first starting opening, a second starting opening and a third starting opening, the force application rod is rectangular, two curved surfaces which are matched with fingers are symmetrically arranged between the top of the handle and the force application rod, the bottom of the handle is semicircular, one side of the handle is also provided with a blade-shaped rod, the bottom of the blade-shaped rod is semicircular, and the bottom of the blade-shaped rod is rotationally connected with the handle through a folding shaft. The device is based on mainly being applicable to plastic-aluminum composite cover and plastics lid, still is provided with and hangs and use the sleeve mouth and supplementary prizing and use the blade shape pole. The patent with the bulletin number of CN217627523U discloses a hand-held medical bottle opener, which comprises a hand-held part and a bottle opening part, wherein an L-shaped opening part is arranged on the bottle opening part, the hand-held part is arc-shaped, and two ends of the hand-held part are connected with the bottle opening part. The hand-held part is arc-shaped, and both ends of the hand-held part are connected with the bottle opening part, and the two parts form a circular ring shape, so that the bottle opening part is convenient to grasp. The device is mainly suitable for pull ring type plastic covers and aluminum-plastic combined covers. The patent with publication number CN211813352U discloses a scissor type medical bottle opener, comprising an opening assembly for opening a protective cap of a medicine bottle, the opening assembly comprising a first scissor blade and a second scissor blade, the device being mainly applicable to plastic caps; and the patent with publication number CN204958349U discloses a medical ampoule bottle opener with a disinfection function, which is mainly applicable to ampoules.

Regarding a size-adjustable bottle opening device, a patent with a bulletin number of CN210885233U discloses a multifunctional infusion bottle opener, which comprises a holding part and a bottle opening part, wherein the front side of the bottle opening part is provided with a support head capable of moving forwards and backwards, and the front end of the support head is provided with a support block capable of being adjusted up and down; the front side of the bottle opening part and the rear side of the supporting head are both provided with arc grooves, and the rear end of the arc groove at the front side of the bottle opening part is provided with a clamping hook capable of moving up and down; draw hooks are arranged at the left end and the right end of the front side of the bottle opening part; the rear end of the holding part is connected with a hand binding belt, and the tail end of the hand binding belt is movably connected with the rear side of the bottle opening part. The device is mainly suitable for plastic-aluminum combined cover and plastic cover, is provided with the opening that the size is adjustable in order to use not equidimension bottle lid, and the fulcrum is adjustable, be provided with the trip.

Based on the above analysis, the technical solutions of the above patent are provided with corresponding bottle opening devices for one or more types of bottle caps, and the bottle opening structure of the bottle opening devices can be configured as fixed type or adjustable type. However, the existing bottle opening device is less in related design with common nursing apparatuses, such as tool pliers, hemostatic pliers and the like used for screwing an infusion connector and a tee joint; the bottle opening device of the existing association design cannot be simultaneously applied to bottle cap structures such as aluminum-plastic combined caps, pull ring plastic caps and ampoules, so that the problems of inconvenient use or disordered storage and the like caused by carrying various tools are solved, and the bottle opening device cannot be guaranteed to be capable of considering portability and applicability and achieving multifunctional utility based on association design.

Furthermore, there are differences in one aspect due to understanding to those skilled in the art; on the other hand, as the inventors studied numerous documents and patents while the present utility model was made, the text is not limited to details and contents of all that are listed, but it is by no means the present utility model does not have these prior art features, the present utility model has all the prior art features, and the applicant remains in the background art to which the rights of the related prior art are added.

Disclosure of Invention

Aiming at least one part of the defects in the prior art, the utility model provides a multifunctional bottle opening device which comprises a clamp body and a device main body based on a labor-saving lever structure; the first cover opening part is at least used for opening the first type bottle caps; the second cover opening part is at least used for opening the second type bottle cap; the pliers body is provided with at least partial structures of the first cover opening part and the second cover opening part and/or arrangement spaces of the first cover opening part and the second cover opening part in a mode that at least partial structures extend in a non-same direction and/or are connected in a non-same plane.

Preferably, the first cover opening part is arranged at the end of the clamp body far away from the operator and forms a pry bar capable of prying the bottle cap based on non-co-directional extension and/or non-co-planar connection of at least part of the structure of the clamp body. The second cover opening part is arranged on the clamp body in a mode that at least part of the structure is symmetrical relative to the central axis of the clamp body and is arranged on one side of the first cover opening part close to an operator.

Preferably, the jaw body is provided with left and right jaws disposed at both sides of a central axis of the jaw body, the left and right jaws being partitioned into a front arm apart from the operator and an operating arm close to the operator based on a hinge point disposed at the central axis of the jaw body. The front arm comprises a first front arm and a second front arm which are respectively arranged on the left clamp and the right clamp, and the operation arm comprises a first operation arm and a second operation arm which are respectively arranged on the left clamp and the right clamp.

Preferably, the first operating arm and the second operating arm are connected to the hinge point in such a way as to gradually approach the central axis of the forceps body in a direction away from the operator, and the first operating arm and the second operating arm extend from the hinge point in a non-same direction in a direction away from the operator and form a first forearm and a second forearm, respectively.

Preferably, the first and second front arms are divided into a first section far from the hinge point and a second section near the hinge point, and the first section forms a first cover opening part capable of taking the connection point of the first section and the second section as a pivot point in a mode of extending in a non-same direction relative to the second section and connecting in a non-same plane relative to the plane where the second section and the hinge point are located.

Preferably, the second cover opening portion includes a grinding wheel disposed at the operation arm and a plurality of arc clamps disposed between the first operation arm and the second operation arm, and the first operation arm and the second operation arm form an arrangement space for accommodating the arc clamps of the second cover opening portion in a manner of non-co-directionally extending with respect to the first leading arm and the second leading arm. The sizes of the arc clamps are arranged along the central axis of the clamp body in a distinguishing way, and the arc clamps are symmetrically arranged relative to the central axis of the clamp body.

Preferably, the jaw body is provided with a latch for controlling the open-closed state, and the first leading arm and the second leading arm intersect at zero and the first operating arm and the second operating arm intersect at non-zero in the case that the jaw body is in the closed state. In addition, the device is provided with an auxiliary net which is detachably connected with the clamp body, and the auxiliary net forms a semi-open space which is larger than the structural range of the clamp body and is arranged at the lower part of the clamp body based on a folding and expanding mode.

The technical scheme of the utility model has the beneficial technical effects that:

(1) The device disclosed by the utility model has the advantages that the structure of the cover opening structure suitable for different types of bottle caps is designed in an associated manner with the structure of the clamp body, the clamp body is of a symmetrical labor-saving lever structure, the device can use the structure of the clamp body as part of the part or the arrangement space of the cover opening structure, and the structure is compact and stable, so that the device disclosed by the utility model can be ensured to have the advantages of convenience in carrying and storage and the like while meeting the requirement of being applicable in functions.

(2) The device significantly improves the ease of use of the device based on the arrangement of the partial structures extending non-co-directionally or being non-co-planar. The first uncovering part forms a pry bar based on the first section and the second section which are connected in a non-coplanar manner, the uncovering power arm of the pry bar is obviously larger than the uncovering resistance arm, the labor is saved, the use is good, and the efficiency and the success rate of prying the bottle cap can be improved; the first operation arm and the second operation arm are based on the arc clamp that the opening that the non-syntropy extends formed surrounds second uncapping part, and arc clamp has multiple specification, with the emery wheel adaptation effect.

(3) The auxiliary net capable of being detachably mounted can be used for receiving bottle caps and front ends of ampoule generated by the cover-opening storage operation, especially under the condition that the openings of the sharp container/garbage box are smaller in batch cover-opening operation, the condition that pried bottle caps or front ends of ampoule broken off easily fall on a table top or the ground under the influence of acting force can be avoided, and therefore the operation quality is improved and the additional workload is reduced.

(4) According to the device, the pliers body does not need to be unfolded when the device is used for uncovering, the stability and the convenience of the device in the uncovering process can be guaranteed, the stability is that the pliers body is in a closed state based on the locking device, the first uncovering part and the second uncovering part can keep stable shapes and structures, and the structural change of the pliers body caused by the force of uncovering can be avoided; the easy-to-use pliers body can be opened without unfolding, and the pliers body can be taken and used at any time, thereby being convenient and quick.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present utility model;

fig. 2 is a partial structural schematic diagram of a preferred embodiment of the present utility model.

List of reference numerals

100: a clamp body; 101: a left clamp; 102: a right clamp; 103: a leading arm; 1031: a first forearm; 1032: a second forearm; 104: an operation arm; 1041: a first operation arm; 1042: a second operation arm; 105: a latch; 200: a first cover opening part; 201: a first section; 202: a second section; 300: a second cover opening part; 301: grinding wheel; 302: an arc clip.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The utility model provides a bottle opening device, in particular relates to a cover opening device, and particularly relates to a multifunctional bottle opening device, belonging to an auxiliary tool of a medical instrument. The device forms a multifunctional structure based on the connection arrangement of the uncapping structure and common nursing tools such as tool pliers, hemostatic forceps and the like, so that the device disclosed by the utility model can be suitable for nursing operation or multi-type bottle cap opening operation under other application scenes, is convenient and applicable, and is convenient to carry.

As shown in fig. 1, the device comprises a clamp body 100 for forming a structural body of the device, the clamp body 100 is provided with a left clamp 101 and a right clamp 102 which are symmetrical to each other in a mode of single-hand operation, the left clamp 101 and the right clamp 102 are provided with a ring body for operating the clamp body 100 at a position close to a hand, and an operator can put fingers into the ring body to control the opening and closing and the movement of the clamp body 100. As shown in fig. 1 and 2, the ring body is connected to the operation arm 104, the operation arm 104 includes a first operation arm 1041 and a second operation arm 1042 located on the left forceps 101 and the right forceps 102, respectively, the first operation arm 1041 and the second operation arm 1042 are symmetrically disposed with respect to the central axis of the forceps body 100 and are connected to a hinge point located on the central axis of the forceps body 100 in a manner of gradually approaching the central axis of the forceps body 100 along a direction away from the ring body, the first operation arm 1041 and the second operation arm 1042 continue to extend from the hinge point and form a first pre-arm 1031 and a second pre-arm 1032 of the pre-arm 103, and the first pre-arm 1031 and the second pre-arm 1032 are symmetrical with respect to the central axis of the forceps body 100. The left jaw 101 of the jaw body 100 includes a first operating arm 1041 and a first pre-arm 1031 and the right jaw 102 of the jaw body 100 includes a second operating arm 1042 and a second pre-arm 1032 such that the jaw body 100 constitutes a device body based on the left jaw 101 and the right jaw 102 symmetrical along a central axis of the jaw body 100 and separates the jaw body 100 into the operating arm 104 and the pre-arm 103 based on an articulation of the left jaw 101 and the right jaw 102.

In order to ensure the labor saving performance of the forceps body 100 during the use process, the length of the operation arm 104 and the length of the front arm 103 are set differently, and the length of the operation arm 104 is greater than the length of the front arm 103. Specifically, the resistance action point is located at the end of the front arm 103 away from the hinge point, the power action point is located at the ring body of the operation arm 104, the distance between the mapping point of the central axis of the pliers body 100 and the hinge point is greater than the distance between the mapping point of the end of the front arm 103 and the hinge point of the central axis of the pliers body 100, that is, the power arm is greater than the resistance arm, so that the pliers body 100 becomes a labor-saving lever tool, and an operator can control the opening and closing state and the opening of the pliers body 100 by applying an acting force to the operation arm 104.

Preferably, in order to ensure the usability of the clamp body 100 during use, as shown in fig. 1 and 2, the operation arm 104 of the clamp body 100 is provided with anti-clamping blocks near the ring body, and the anti-clamping blocks of the first operation arm 1041 and the anti-clamping blocks of the second operation arm 1042 are symmetrically arranged relative to the central axis of the clamp body 100. The extending direction of the operation arm 104 near the hinge point is not in the same straight line with the extending direction of the front arm 103 near the hinge point, so that the included angle of the first operation arm 1041 and the second operation arm 1042 at the hinge point is always larger than the included angle of the first front arm 1031 and the second front arm 1032 at the hinge point. When the included angle between the first front arm 1031 and the second front arm 1032 is gradually reduced to zero, the first operating arm 1041 and the second operating arm 1042 approach the central axis of the pliers body 100 until the anti-clamping blocks respectively located on the first operating arm 1041 and the second operating arm 1042 contact each other, so that the pliers body 100 in the closed state still has an anti-clamping space between the first operating arm 1041 and the second operating arm 1042 for accommodating fingers. The pliers body 100 is provided with a locker 105 at a hinge point position, the locker 105 is used for controlling the opening state of the pliers body 100, and when the locker 105 is in the opening state, an operator can perform opening or closing operation on the pliers body 100; when the latch 105 is in the closed state, the clamp body 100 remains in the closed state in such a way that accidental opening and closing causes structural damage or creates operational hazards.

Preferably, a portion of the operation arm 104 near the hinge point is provided in an arc shape such that the distance between the first operation arm 1041 and the second operation arm 1042 decreases unevenly in a direction near the hinge point. When the pliers body 100 is in the closed state, the included angle between the first operating arm 1041 and the second operating arm 1042 at the hinge point is not zero, so that a space still exists between the first operating arm 1041 and the second operating arm 1042, for example, when the pliers body 100 is in the closed state, the included angle between the first operating arm 1041 and the second operating arm 1042 at the hinge point is configured to be 30 degrees to 120 degrees.

As shown in fig. 2, the device is provided with a first cover opening part 200 and a second cover opening part 300 for different types of bottle caps on the clamp body 100, wherein the first cover opening part 200 is arranged on a front arm 103 of the clamp body 100, and is mainly suitable for opening an aluminum-plastic combined cover and a pull ring plastic cover, and corresponds to an infusion bottle, a solution bottle for injection and the like. The second cover opening 300 is provided on the operating arm 104 of the pincer body 100, and is mainly applicable to ampoule, corresponding injection bottle, vaccine bottle, and the like.

Preferably, the first cover opening 200 comprises a first section 201 and a second section 202 located on the front arm 103, the first section 201 being close to the end of the front arm 103, the second section 202 being close to the hinge point, and the first section 201 and the second section 202 being connected at an angle such that the first section 201 and the second section 202 are located in different planes. Specifically, the first pre-arm 1031 and the second pre-arm 1032 are each provided with a first segment 201 and a second segment 202, the second segment 202 and the operating arm 104 are located on the same plane, and the plane of the first segment 201 is at an angle with respect to the plane of the operating arm 104, for example, the angle is set to 30 degrees to 90 degrees. Based on the non-coplanar arrangement of the first section 201 and the second section 202, the pliers body 100 can obtain a gesture which is convenient for hand operation through the front arm 103 in a bending state, and when the plane where the first section 201 is located is parallel to the operation surface, an included angle exists between the plane where the second section 202 and the operation arm 104 are located and the operation surface, so that a space which is convenient for hand action is reserved between the hand and the operation surface acting on the operation arm 104. Meanwhile, the first cover opening part 200 forms a pry bar structure based on the bending connection mode of the first section 201 and the second section 202, so that the connection point of the first section 201 and the second section 202 can be used as a fulcrum for prying open the aluminum-plastic combined cover, the distance from the ring body of the operating arm 104 to the connection point is a cover opening power arm, the distance from the end part of the first section 201 to the connection point is a cover opening resistance arm, and the length of the cover opening power arm is obviously larger than that of the cover opening resistance arm because the length of the operating arm 104 is larger than that of the front arm 103. During the opening operation, the end of the first section 201 acts on the pull ring or the aluminum alloy cover, and the connection point of the first section 201 and the second section 202 is arranged on the cover body and forms a fulcrum, so that an operator can easily pry open the pull ring or the aluminum alloy cover body covered on the aluminum-plastic combined cover. In order to ensure that the fulcrum formed by the connection point of the first section 201 and the second section 202 does not slip, anti-slip lines may be provided at the connection point of the first section 201 and the second section 202. In order to ensure that the end of the first section 201 of the first cover opening 200 can obtain a stable prying point, the end of the first section 201 is set to be flat, and the thickness of the end is gradually decreased along the direction away from the connecting point, so that the end of the first section 201 forms a flat edge opening which is easy to be placed into a cover gap, and a larger contact area is provided between the end of the first section 201 and the cover to improve the success rate of the cover opening operation.

Preferably, the second cap 300 includes a grinding wheel 301 disposed on a surface of the operation arm 104 and a plurality of arc clamps 302 disposed between the first operation arm 1041 and the second operation arm 1042, and the second cap 300 may grind the ampoule by the grinding wheel 301 and break off a front end of the ampoule in a restrained state of the arc clamps 302. Specifically, the grinding wheel 301 is detachably connected to the operation arm 104 through a structure such as a bolt, for example, the grinding wheel 301 is connected near the hinge point of the operation arm 104 and the front arm 103, so that the structural shape between the operation arm 104 and the front arm 103 can be used as a protection contour of the grinding wheel 301, and the grinding wheel 301 can be prevented from being damaged by external force or from being pressed against hands during carrying or using. The arc-shaped clamps 302 are arranged between the first operating arm 1041 and the second operating arm 1042, the first operating arm 1041 and the second operating arm 1042 are arc-shaped near the hinge point, and an included angle exists between the first operating arm 1041 and the second operating arm 1042 at the hinge point, so that the arc-shaped clamps 302 can respectively arrange a plurality of arc-shaped clamps 302 with increasing sizes along the direction away from the hinge point, and the arc-shaped clamps 302 with different sizes can correspond to ampoules with different sizes. The arc clamp 302 includes a first arc section connected to the first operating arm 1041 and a second arc section connected to the second operating arm 1042, in the closed state of the clamp body 100, the first arc section and the second arc section are close to each other to form an arc space for restraining the front end of the ampoule, in order to avoid damage to the ampoule caused by too high hardness of the arc clamp 302, the arc clamp 302 may be made of plastic material or an elastic cushion layer is arranged on an inner ring of the arc clamp 302, and meanwhile, the elastic cushion layer also increases friction force of the arc clamp 302 to the front end of the ampoule to avoid sliding of the ampoule when the ampoule is forced.

The first cover opening part 200 and the second cover opening part 300 can be used in the state that the clamp body 100 is closed, namely, the device can ensure the stability and convenience of the device in the process of opening the cover without opening the locking device 105 and unfolding the clamp body 100, and the stability is that the clamp body 100 is locked and is in the state that the clamp body 100 is closed, the first cover opening part 200 and the second cover opening part 300 can keep stable shapes and structures, and the structural change of the clamp body 100 caused by the force of opening the cover can be avoided; the pliers body 100 can be opened without unfolding, and can be taken and used conveniently and quickly.

Preferably, considering the situation that the front end of the pried bottle cap or the broken ampoule easily falls on the table surface or the ground under the influence of acting force, especially in the case of batch uncapping operation and small openings of the sharp-pointed box/garbage box, the operator can generate potential safety hazards such as cutting and the like and increase the workload of additional cleaning treatment when picking up the front end of the bottle cap or the ampoule by hands. Therefore, the device of the present utility model is further provided with an auxiliary net which can be detached from the forceps body 100, and the auxiliary net may be a net structure or a solid structure without meshes. The auxiliary net is arranged at the lower part of the pincer body 100 and forms a semi-open space larger than the structural range of the pincer body 100 based on a folding and expanding mode, so that the bottle cap pried by the first cap opening part 200 or the front end of the ampoule broken off by the second cap opening part 300 can fall into the auxiliary net without falling on a table top or the ground, after the batch cap opening operation is finished, the auxiliary net is pulled to pour the front end of the bottle cap or the ampoule into the garbage box or the sharp machine box, the convenience of cap opening operation can be remarkably improved, and the workload is reduced.

It should be noted that the above-described embodiments are exemplary, and that a person skilled in the art, in light of the present disclosure, may devise various solutions that fall within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (10)

1. A multi-functional bottle opening device, the device comprising:

a clamp body (100) forming a body of the device based on a labor-saving lever structure;

an auxiliary net detachably connected with the clamp body (100);

a first cap opening part (200) at least for opening operation of the first type bottle cap;

a second cover opening part (300) at least for opening operation of the second type bottle cap;

the pliers body (100) is configured with at least partial structures of the first cover opening part (200) and the second cover opening part (300) and/or arrangement spaces of the first cover opening part (200) and the second cover opening part (300) in a mode that at least partial structures extend in a non-same direction and/or are connected in a non-same plane.

2. The device according to claim 1, wherein the first cover opening (200) is arranged at an end of the pincer body (100) remote from the operator and forms a pry bar capable of prying open the bottle cap based on a non-co-directional extension and/or a non-co-planar connection of at least part of the pincer body (100) structure.

3. The device according to claim 1 or 2, characterized in that the second cover opening (300) is arranged on the clamp body (100) and on the side of the first cover opening (200) close to the operator in a manner that at least part of the structure is symmetrical with respect to the central axis of the clamp body (100).

4. A device according to claim 3, characterized in that the jaw body (100) is provided with a left jaw (101) and a right jaw (102) arranged on both sides of the central axis of the jaw body (100), the left jaw (101) and the right jaw (102) being separated into a front arm (103) remote from the operator and an operating arm (104) close to the operator based on a hinge point arranged on the central axis of the jaw body (100).

5. The device according to claim 4, wherein the pre-arms (103) comprise a first pre-arm (1031) and a second pre-arm (1032) separate from the left clamp (101) and the right clamp (102), and the operating arm (104) comprises a first operating arm (1041) and a second operating arm (1042) separate from the left clamp (101) and the right clamp (102).

6. The device according to claim 5, characterized in that the first and second operating arms (1041, 1042) are connected to a hinge point in such a way as to gradually approach the central axis of the jaw body (100) in a direction away from the operator, from which hinge point the first and second operating arms (1041, 1042) extend in a non-same direction and form the first and second pre-arms (1031, 1032), respectively.

7. The device according to claim 6, characterized in that the first and second pre-arms (1031, 1032) are divided into a first section (201) distant from the hinge point and a second section (202) close to the hinge point, the first section (201) forming the first cover (200) with the connection point of the first section (201) and the second section (202) as a fulcrum in a non-coplanar connection with respect to the plane of the second section (202) and the hinge point and extending non-co-directionally with respect to the second section (202).

8. The device according to claim 7, characterized in that the second cover opening (300) comprises a grinding wheel (301) arranged between the operating arms (104) and several arc clamps (302) arranged between the first operating arm (1041) and the second operating arm (1042), the first operating arm (1041) and the second operating arm (1042) forming an arrangement space for accommodating the arc clamps (302) of the second cover opening (300) in a non-co-extensive manner with respect to the first pre-arm (1031) and the second pre-arm (1032).

9. The device according to claim 8, characterized in that several of the arc clamps (302) are dimensioned differently along the central axis of the jaw body (100) and that the arc clamps (302) are arranged symmetrically with respect to the central axis of the jaw body (100).

10. The device according to claim 1, characterized in that the clamp body (100) is provided with a lock (105) for controlling the open and closed state;

the auxiliary net forms a semi-open space which is larger than the structural range of the clamp body (100) and is arranged at the lower part of the clamp body (100) based on a folding and expanding mode.