CN209910994U - Film sampling cutter - Google Patents

Abstract

The utility model provides a film sampling cutter, include: the device comprises a first shell, a second shell, an adjusting and fixing device, a plurality of blades and adjusting and fixing accessories. The film sampling cutter of the utility model can adjust the space between the adjacent blades according to the actual film sampling size by adjusting the fixed fittings through arranging the fixed adjusting through holes on the first shell and the second shell, thereby realizing the flexible adjustment of the sampling size; the plurality of blades simultaneously scratch the cutter for sampling, so that sample wrinkles generated in the sampling process can be avoided, burrs are prevented from being formed at the edges of the sample strips, and the sampling effect is ensured; the utility model discloses simple structure carries and convenient to use, and the sample is effectual, and the sample is efficient, extensively is applicable to the sample of all kinds of film materials.

Description

Film sampling cutter

Technical Field

The utility model relates to a battery film makes the field, especially relates to a film sample cutter.

Background

Various thin film materials are used in the manufacturing process of the lithium ion battery, and the quality of the thin film has great influence on the electrical property, the safety performance and the cycle performance of the lithium ion battery, so that the quality of the thin film is very important to ensure, and frequent thin film sampling operation is involved in the manufacturing and application processes of the thin film so as to strictly control the quality of the thin film.

At present, a film sampler widely used in the lithium ion battery industry weighs dozens of kilograms, is very inconvenient to carry, can be used for preparing a sample strip, has determined the width when equipment leaves a factory, can only meet the test sampling requirement of a single item, and cannot be changed according to actual requirements; if the sample is prepared by directly using a common cutter, the film is small in thickness, soft in texture, smooth in surface and narrow in width of the film to be prepared, so that the sample is easily wrinkled when a second knife is parallelly scratched in the sampling operation process, burrs are formed on the edge of the sample strip, and the subsequent test result is influenced. The above problem is more pronounced, particularly the smaller the size of the sample to be sampled. Under the background that the film quality control is more strict and the sampling operation is more frequent, a film sampling cutter which is convenient to carry, flexible and adjustable in sampling size, good in sampling effect and high in sampling efficiency is actually necessary.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, the present invention provides a film sampling tool for solving the problems that the film sampler in the prior art is too heavy to be carried conveniently and the sampling size is not adjustable; and the sample is easy to wrinkle by adopting a common cutter, the edges of the sample strips are easy to generate burrs, and the test result of the sample is influenced.

To achieve the above and other related objects, the present invention provides a film sampling cutter, which comprises:

the first shell comprises a first shell main body and a first fixing arm integrally connected with the first shell main body; the width of the first fixing arm is smaller than that of the first shell main body, a plurality of first mounting through holes penetrating along the width direction of the first fixing arm are formed in the first fixing arm, and the first mounting through holes are distributed at intervals along the length direction of the first fixing arm; the side surface of the first shell main body, which is deviated from the first fixed arm and is vertical to the length direction of the first fixed arm, is provided with a first fixed adjusting through hole;

the second shell comprises a second shell main body and a second fixing arm integrally connected with the second shell main body; the width of the second fixing arm is smaller than that of the second shell main body, a plurality of second mounting through holes penetrating along the width direction of the second fixing arm are formed in the second fixing arm, and the plurality of second mounting through holes are arranged at intervals along the length direction of the second fixing arm; a second fixing and adjusting through hole is formed in the side face, which is opposite to the second fixing arm and perpendicular to the length direction of the second fixing arm, of the second shell; after the second shell is buckled with the first shell, the second fixed arm is parallel to the first fixed arm, a distance is reserved between the second fixed arm and the first fixed arm, and the second fixed adjusting through hole is at least partially overlapped with the first fixed adjusting through hole;

the adjusting and fixing device is inserted into the first fixing and adjusting through hole and the second fixing and adjusting through hole after the first shell and the second shell are buckled, so as to fix the first shell main body and the second shell main body and adjust a gap between the first fixing arm and the second fixing arm;

the blades are arranged between the first fixing arm and the second fixing arm in parallel at intervals; the blade is provided with a plurality of third mounting through holes which are communicated along the thickness direction of the blade, and the plurality of third mounting through holes are arranged at intervals along the length direction of the blade;

adjusting fixing accessories are arranged between the adjacent blades, between the blades and the first fixing arm and between the blades and the second fixing arm, the adjusting fixing accessories arranged between the adjacent blades are adjacent to the blades and are fixedly separated, and the adjusting accessories arranged between the blades and the first fixing arm or the second fixing arm are used for fixing the blades on the first fixing arm or the second fixing arm.

Optionally, the first housing and the second housing are both L-shaped.

Optionally, a first accommodating groove is formed in the inner side of the first housing, and the first accommodating groove is at least located in the first housing main body; the inboard of second casing is equipped with the second holding tank, the second holding tank is located at least in the second casing main part.

Optionally, the first receiving groove extends from inside the first housing main body to inside the first fixing arm, and extends along a length direction of the first fixing arm to an end of the first fixing arm away from the first housing main body; the second accommodating groove extends into the second fixing arm from the second casing main body, and extends to one end, far away from the second casing main body, of the second fixing arm along the length direction of the second fixing arm.

Optionally, the thickness of the second housing main body is less than or equal to the height of the first accommodating groove.

Optionally, the number of the third mounting through holes is less than the number of the first mounting through holes and the second mounting through holes; the blade is also provided with a fourth mounting through hole which is communicated along the thickness direction of the blade, after the first shell and the second shell are buckled, the first mounting through hole is in one-to-one correspondence with the second mounting through hole, the third mounting through hole is in one-to-one correspondence with part of the first mounting through hole and part of the second mounting through hole, and the fourth mounting through hole is in one-to-one correspondence with other first mounting through holes and other second mounting through holes; the film sampling blade further comprises a fixing device, wherein the fixing device sequentially penetrates through the first mounting through holes in one-to-one correspondence with the fourth mounting through holes, the second mounting through holes in one-to-one correspondence with the fourth mounting through holes and the fourth mounting through holes so as to fix the blade on the first fixing arm and the second fixing arm.

Optionally, in each of the blades, at least two fourth mounting through holes are provided, at least one of the fourth mounting through holes is located on one side of the third mounting through hole, which is far away from the first housing body and the second housing body, and at least one of the fourth mounting through holes is located on one side of the third mounting through hole, which is close to the first housing body and the second housing body.

Optionally, the blade is parallel to the first fixing arm and the second fixing arm, and one end of the blade, which is far away from the first casing main body and the second casing main body, extends to the outer side of the first fixing arm, which is far away from the first casing main body, and the outer side of the second fixing arm, which is far away from the second casing main body.

Optionally, an end of the blade away from the first housing body and the second housing body is pointed.

Optionally, the adjustment fixture fitting comprises:

a fitting body;

a threaded stud having external threads at one end of the fitting body; the transverse dimension of the stud is smaller than that of the first mounting through hole, that of the second mounting through hole and that of the third mounting through hole;

and the threaded hole is positioned in one end, far away from the stud, of the accessory main body, and an internal thread matched with the external thread is arranged in the threaded hole.

As mentioned above, the utility model discloses a film sample cutter has following beneficial effect: the film sampling cutter of the utility model can adjust the space between the adjacent blades according to the actual film sampling size by adjusting the fixed fittings through arranging the fixed adjusting through holes on the first shell and the second shell, thereby realizing the flexible adjustment of the sampling size; the plurality of blades simultaneously scratch the cutter for sampling, so that sample wrinkles generated in the sampling process can be avoided, burrs are prevented from being formed at the edges of the sample strips, and the sampling effect is ensured; the utility model discloses simple structure carries and convenient to use, and the sample is effectual, and the sample is efficient, extensively is applicable to the sample of all kinds of film materials.

Drawings

Fig. 1 shows a schematic perspective view of a film sampling cutter according to the present invention.

Fig. 2 is a schematic view of the top view structure of the film sampling cutter according to the present invention.

Fig. 3 is a schematic perspective view of a first housing of the film sampling cutter according to the present invention.

Fig. 4 is a schematic perspective view of a second housing of the film sampling cutter according to the present invention.

Fig. 5 is a schematic side view of a blade of the film sampling cutter according to the present invention.

Fig. 6 is a schematic top view of the adjusting fixture in the film sampling cutter according to the present invention.

Fig. 7 is a schematic diagram of film sampling using the film sampling tool provided by the present invention.

Description of the element reference numerals

1 film sampling cutter

10 first casing

101 first housing body

102 first fixed arm

103 first mounting through hole

104 first fixed regulating through hole

105 the first accommodating groove

11 second casing

111 second case body

112 second fixing arm

113 second mounting through hole

114 second fixed regulating through hole

115 second accommodating groove

12 adjusting and fixing device

13 blade

131 third mounting through hole

132 fourth mounting through hole

14 adjustment fixing fitting

141 fitting body

142 stud

143 threaded hole

144 bolt

145 nut

15 fixing device

151 fixed screw

152 fixation nut

2 film of

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 7. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes.

Referring to fig. 1 to 6, the present invention provides a film sampling cutter 1, wherein the film sampling cutter 1 includes:

a first housing 10, wherein the first housing 10 includes a first housing main body 101 and a first fixing arm 102 integrally connected to the first housing main body 101; the width of the first fixing arm 102 is smaller than the width of the first housing main body 101, a plurality of first mounting through holes 103 penetrating through the first fixing arm 102 along the width direction of the first fixing arm are formed in the first fixing arm 102, and the plurality of first mounting through holes 103 are arranged at intervals along the length direction of the first fixing arm 102; a first fixing adjusting through hole 104 is formed in a side surface of the first casing main body 101, which is away from the first fixing arm 102 and is perpendicular to the length direction of the first fixing arm 102;

a second housing 11, wherein the second housing 11 includes a second housing main body 111 and a second fixing arm 112 integrally connected to the second housing main body 111; the width of the second fixing arm 112 is smaller than the width of the second housing main body 111, a plurality of second mounting through holes 113 penetrating along the width direction of the second fixing arm 112 are formed in the second fixing arm 112, and the plurality of second mounting through holes 113 are arranged at intervals along the length direction of the second fixing arm 112; a second fixing adjusting through hole 114 is formed in a side surface of the second housing 11, which is away from the second fixing arm 112 and perpendicular to the length direction of the second fixing arm 112; after the second housing 11 is fastened to the first housing 10, the second fixing arm 112 is parallel to the first fixing arm 102, a space is formed between the second fixing arm 112 and the first fixing arm 102, and the second fixing and adjusting through hole 114 is at least partially overlapped with the first fixing and adjusting through hole 104;

an adjusting and fixing device 12, wherein the adjusting and fixing device 12 is inserted into the first fixing and adjusting through hole 104 and the second fixing and adjusting through hole 114 after the first housing 10 and the second housing 11 are fastened together, so as to fix the first housing main body 101 and the second housing main body 111, and adjust a gap between the first fixing arm 102 and the second fixing arm 112;

a plurality of blades 13, wherein the plurality of blades 13 are arranged between the first fixing arm 102 and the second fixing arm 112 in parallel at intervals; a plurality of third mounting through holes 131 penetrating along the thickness direction of the blade 13 are formed in the blade 13, and the plurality of third mounting through holes 131 are arranged at intervals along the length direction of the blade 13;

adjusting fixing fittings 14, wherein the adjusting fixing fittings 14 are located between adjacent blades 13, between the blades 13 and the first fixing arm 102, and between the blades 13 and the second fixing arm 112, the adjusting fixing fittings 14 located between adjacent blades 13 fixedly separate adjacent blades 13, and the adjusting fittings 14 located between the blades 13 and the first fixing arm 102 or the second fixing arm 112 fix the blades 13 on the first fixing arm 102 or the second fixing arm 112.

As an example, the first housing main body 101 and the first fixing arm 102 may be integrally connected, and the second housing main body 111 and the second fixing arm 112 may be integrally connected. The integrated structure design is convenient for processing and molding, and the first fixing arm 102 and the second fixing arm 112 can be firmly arranged on the first housing main body 101 or the second housing main body 111, respectively, which is beneficial for fixing the blade 13. Of course, in other examples, the first housing main body 101 and the first fixing arm 102 and the second housing main body 111 and the second fixing arm 112 are convenient to carry and keep, and especially, in the case of requiring an ex-situ sampling, the detachable structure design is convenient. The first housing 10 and the second housing 11 have a certain thickness and volume, and the specific distance between the first fixing arm 102 and the second fixing arm 112, etc. can be flexibly determined according to the different selected materials and different sampling requirements, but the general principle is to make the first housing 10 and the second housing 11 have a certain weight and bearing capacity, so that no drift occurs during sample cutting. For example, the first housing 10 and the second housing 11 may be made of stainless steel, and the total weight of the film sampling tool may be set to be 0.5 to 2 Kg.

As an example, the first housing 10 and the second housing 11 may be both L-shaped, that is, an outer sidewall of the first housing main body 101 and an outer sidewall of the first fixing arm 102 are located in the same plane, and an outer sidewall of the second housing main body 111 and an outer sidewall of the second fixing arm 112 are located in the same plane.

As shown in fig. 3 and 4, a first receiving groove 105 is formed inside the first housing 10, and the first receiving groove 105 is at least located inside the first housing main body 101; the inner side of the second housing 11 is provided with a second receiving groove 115, and the second receiving groove 115 is at least located in the second housing main body 111.

As an example, the first receiving groove 105 extends from inside the first housing main body 101 to inside the first fixing arm 102, and extends along a length direction of the first fixing arm 102 to an end of the first fixing arm 102 away from the first housing main body 101; the second receiving groove 115 extends from the inside of the second housing main body 111 to the inside of the second fixing arm 112, and extends along the length direction of the second fixing arm 112 to an end of the second fixing arm 112 away from the second housing main body 111.

As an example, the thickness of the second housing main body 111 is less than or equal to the height of the first receiving groove 105.

By disposing the first receiving groove 105 in the first housing 10, disposing the second receiving groove 115 in the second housing 11, and limiting the thickness of the second housing main body 111 to be less than or equal to the height of the first receiving groove 105, it can be ensured that the second housing main body 111 can be inserted into the first receiving groove 105 when the first housing 10 and the second housing 11 are fastened, so as to adjust the distance between the first fixing arm 102 and the second fixing arm 112 through the first fixing and adjusting through hole 104, the second fixing and adjusting through hole 114, and the adjusting and fixing device 12. For example, when the distance between the first fixing arm 102 and the second fixing arm 112 needs to be increased, the second housing main body 111 only needs to be pulled out from the first accommodating groove 105 by a certain distance, and the first housing main body 101 and the second housing main body 111 are fixed by the adjusting and fixing device 12; if the distance between the first fixing arm 102 and the second fixing arm 112 needs to be adjusted, the second housing main body 111 only needs to be pushed into the first receiving groove 105 for a certain distance, and the first housing main body 101 and the second housing main body 111 are fixed by the adjusting device 12.

By way of example, the adjustment fixture 12 may include, but is not limited to, a bolt and a nut.

As an example, as shown in fig. 1, 2 and 5, the number of the third mounting through holes 131 is less than the number of the first mounting through holes 103 and the second mounting through holes 113; the blade 13 is further provided with fourth mounting through holes 132 penetrating along the thickness direction of the blade, after the first housing 10 and the second housing 11 are fastened, the first mounting through holes 103 correspond to the second mounting through holes 113 one by one, the third mounting through holes 131 correspond to a part of the first mounting through holes 103 and a part of the second mounting through holes 113 one by one, and the fourth mounting through holes 132 correspond to other first mounting through holes 103 and other second mounting through holes 113 one by one; the film sampling blade 1 further comprises a fixing device 15, wherein the fixing device 15 sequentially penetrates through the first mounting through holes 103 corresponding to the fourth mounting through holes 132 one to one, the second mounting through holes 113 corresponding to the fourth mounting through holes 132 one to one, and the fourth mounting through holes 132, so as to fix the blade 13 on the first fixing arm 102 and the second fixing arm 112. Specifically, as shown in fig. 2, the fixing device 15 may include a fixing screw 151 and a fixing nut 152, wherein the length of the fixing screw 151 is greater than the distance between the first fixing arm 102 and the second fixing arm 112.

Illustratively, the number of the fourth mounting through holes 132 is at least two, wherein at least one of the fourth mounting through holes 132 is located on a side of the third mounting through hole 131 away from the first casing main body 101 and the second casing main body 111, and at least one of the fourth mounting through holes 132 is located on a side of the third mounting through hole 103 adjacent to the first casing main body 101 and the second casing main body 111.

As an example, the blade 13 is parallel to the first fixing arm 102 and the second fixing arm 112, and one end of the blade 13 away from the first casing main body 101 and the second casing main body 111 extends to an outer side of the first fixing arm 102 away from the first casing main body 101 and an outer side of the second fixing arm 112 away from the second casing main body 111.

As an example, an end of the blade 13 away from the first housing body 101 and the second housing body 111 may be pointed.

As an example, as shown in fig. 6, the adjustment fixing fitting 14 includes: a fitting body 141; a threaded stud 142 having external threads, the stud 142 being located at one end of the fitting body 141; the transverse dimension of the stud 142 is smaller than the transverse dimension of the first mounting through hole 103, the transverse dimension of the second mounting through hole 113 and the transverse dimension of the third mounting through hole 131; and the threaded hole 143 is formed in one end, far away from the stud 142, of the fitting body 141, and an internal thread matched with the external thread is arranged in the threaded hole 143.

When the distance between the blades 13 needs to be adjusted, the film sampling cutter 1 changes the adjusting fixing fittings 14 with corresponding lengths after adjusting the distance between the first fixing arm 102 and the second fixing arm 112, and the stud 142 of one adjusting fixing fitting 14 located between adjacent blades 13 passes through the third mounting through hole 131 of the blade 13 and is screwed into the threaded hole 143 of the other adjusting fixing fitting 14 adjacent to the third mounting through hole 131; said adjustment fixing fitting 14 between said blade 13 and said first fixing arm 102 or said second fixing arm 112 is inserted into said first mounting through hole 103 on said first fixing arm 102 or into said second mounting through hole 113 on said second fixing arm 112 and fixed to said first fixing arm 102 or said second fixing arm 112 via a nut 145; the threaded hole 143 of the adjustment fixing fitting 14 between the blade 13 and the first fixing arm 102 or the second fixing portion 112 on the other side is fixed to the first fixing arm 102 or the second fixing arm 112 via a stud 144.

As shown in fig. 7, when the film sampling cutter 1 of the present embodiment is used to cut and sample a film 2, a plurality of blades 13 cut the film 2 at the same time, so that a plurality of samples with required widths can be cut on the film 1, and when samples with different sizes are sampled, the operation is very convenient by adjusting the distance between the blades 13; in addition, it is a plurality of blade 13 is right simultaneously film 2 cuts, can avoid cutting the parallel sample fold that leads to easily when drawing down the second sword in the sample operation process by the gradation, makes spline edge form the burr, influences follow-up test result scheduling problem, greatly promotes sample effect and sampling efficiency.

To sum up, the utility model provides a film sample cutter, film sample cutter includes: the first shell comprises a first shell main body and a first fixing arm integrally connected with the first shell main body; the width of the first fixing arm is smaller than that of the first shell main body, a plurality of first mounting through holes penetrating along the width direction of the first fixing arm are formed in the first fixing arm, and the first mounting through holes are distributed at intervals along the length direction of the first fixing arm; the side surface of the first shell main body, which is deviated from the first fixed arm and is vertical to the length direction of the first fixed arm, is provided with a first fixed adjusting through hole; the second shell comprises a second shell main body and a second fixing arm integrally connected with the second shell main body; the width of the second fixing arm is smaller than that of the second shell main body, a plurality of second mounting through holes penetrating along the width direction of the second fixing arm are formed in the second fixing arm, and the plurality of second mounting through holes are arranged at intervals along the length direction of the second fixing arm; a second fixing and adjusting through hole is formed in the side face, which is opposite to the second fixing arm and perpendicular to the length direction of the second fixing arm, of the second shell; after the second shell is buckled with the first shell, the second fixed arm is parallel to the first fixed arm, a distance is reserved between the second fixed arm and the first fixed arm, and the second fixed adjusting through hole is at least partially overlapped with the first fixed adjusting through hole; the adjusting and fixing device is inserted into the first fixing and adjusting through hole and the second fixing and adjusting through hole after the first shell and the second shell are buckled, so as to fix the first shell main body and the second shell main body and adjust a gap between the first fixing arm and the second fixing arm; the blades are arranged between the first fixing arm and the second fixing arm in parallel at intervals; the blade is provided with a plurality of third mounting through holes which are communicated along the thickness direction of the blade, and the plurality of third mounting through holes are arranged at intervals along the length direction of the blade; adjusting fixing accessories are arranged between the adjacent blades, between the blades and the first fixing arm and between the blades and the second fixing arm, the adjusting fixing accessories arranged between the adjacent blades are adjacent to the blades and are fixedly separated, and the adjusting accessories arranged between the blades and the first fixing arm or the second fixing arm are used for fixing the blades on the first fixing arm or the second fixing arm. The film sampling cutter of the utility model can adjust the space between the adjacent blades according to the actual film sampling size by adjusting the fixed fittings through arranging the fixed adjusting through holes on the first shell and the second shell, thereby realizing the flexible adjustment of the sampling size; the plurality of blades simultaneously scratch the cutter for sampling, so that sample wrinkles generated in the sampling process can be avoided, burrs are prevented from being formed at the edges of the sample strips, and the sampling effect is ensured; the utility model discloses simple structure carries and convenient to use, and the sample is effectual, and the sample is efficient, extensively is applicable to the sample of all kinds of film materials.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A film sampling tool, said film sampling tool comprising:

the first shell comprises a first shell main body and a first fixing arm integrally connected with the first shell main body; the width of the first fixing arm is smaller than that of the first shell main body, a plurality of first mounting through holes penetrating along the width direction of the first fixing arm are formed in the first fixing arm, and the first mounting through holes are distributed at intervals along the length direction of the first fixing arm; the side surface of the first shell main body, which is deviated from the first fixed arm and is vertical to the length direction of the first fixed arm, is provided with a first fixed adjusting through hole;

the second shell comprises a second shell main body and a second fixing arm integrally connected with the second shell main body; the width of the second fixing arm is smaller than that of the second shell main body, a plurality of second mounting through holes penetrating along the width direction of the second fixing arm are formed in the second fixing arm, and the plurality of second mounting through holes are arranged at intervals along the length direction of the second fixing arm; a second fixing and adjusting through hole is formed in the side face, which is opposite to the second fixing arm and perpendicular to the length direction of the second fixing arm, of the second shell; after the second shell is buckled with the first shell, the second fixed arm is parallel to the first fixed arm, a distance is reserved between the second fixed arm and the first fixed arm, and the second fixed adjusting through hole is at least partially overlapped with the first fixed adjusting through hole;

the adjusting and fixing device is inserted into the first fixing and adjusting through hole and the second fixing and adjusting through hole after the first shell and the second shell are buckled, so as to fix the first shell main body and the second shell main body and adjust a gap between the first fixing arm and the second fixing arm;

the blades are arranged between the first fixing arm and the second fixing arm in parallel at intervals; the blade is provided with a plurality of third mounting through holes which are communicated along the thickness direction of the blade, and the plurality of third mounting through holes are arranged at intervals along the length direction of the blade;

adjusting fixing accessories are arranged between the adjacent blades, between the blades and the first fixing arms and between the blades and the second fixing arms, the adjusting fixing accessories arranged between the adjacent blades are adjacent to the blades and are fixedly separated, and the adjusting fixing accessories arranged between the blades and the first fixing arms or the second fixing arms are used for fixing the blades on the first fixing arms or the second fixing arms.

2. The film sampling tool of claim 1, wherein: the first shell and the second shell are both L-shaped.

3. The film sampling tool of claim 1, wherein: a first accommodating groove is formed in the inner side of the first shell and at least positioned in the first shell body; the inboard of second casing is equipped with the second holding tank, the second holding tank is located at least in the second casing main part.

4. The film sampling tool of claim 3, wherein: the first accommodating groove extends from the inside of the first shell main body to the inside of the first fixing arm, and extends to one end, away from the first shell main body, of the first fixing arm along the length direction of the first fixing arm; the second accommodating groove extends into the second fixing arm from the second casing main body, and extends to one end, far away from the second casing main body, of the second fixing arm along the length direction of the second fixing arm.

5. The film sampling tool of claim 3, wherein: the thickness of the second shell body is smaller than or equal to the height of the first accommodating groove.

6. The film sampling tool of claim 1, wherein: the number of the third mounting through holes is less than the number of the first mounting through holes and the second mounting through holes; the blade is also provided with a fourth mounting through hole which is communicated along the thickness direction of the blade, after the first shell and the second shell are buckled, the first mounting through hole is in one-to-one correspondence with the second mounting through hole, the third mounting through hole is in one-to-one correspondence with part of the first mounting through hole and part of the second mounting through hole, and the fourth mounting through hole is in one-to-one correspondence with other first mounting through holes and other second mounting through holes; the film sampling blade further comprises a fixing device, wherein the fixing device sequentially penetrates through the first mounting through holes in one-to-one correspondence with the fourth mounting through holes, the second mounting through holes in one-to-one correspondence with the fourth mounting through holes and the fourth mounting through holes so as to fix the blade on the first fixing arm and the second fixing arm.

7. The film sampling tool of claim 6, wherein: in each blade, at least two fourth mounting through holes are provided, wherein at least one fourth mounting through hole is located on one side of the third mounting through hole, which is far away from the first shell body and the second shell body, and at least one fourth mounting through hole is located on one side of the third mounting through hole, which is close to the first shell body and the second shell body.

8. The film sampling tool of claim 1, wherein: the blade is parallel to the first fixing arm and the second fixing arm, and one end of the blade, which is far away from the first shell body and the second shell body, extends to the outer side, which is far away from the first shell body, of the first fixing arm and the outer side, which is far away from the second shell body, of the second fixing arm.

9. The film sampling tool of claim 8, wherein: one end of the blade, which is far away from the first shell body and the second shell body, is in a sharp-horn shape.

10. The film sampling tool of claim 1, wherein: the adjustment fixing fitting includes:

a fitting body;

a threaded stud having external threads at one end of the fitting body; the transverse dimension of the stud is smaller than that of the first mounting through hole, that of the second mounting through hole and that of the third mounting through hole;

and the threaded hole is positioned in one end, far away from the stud, of the accessory main body, and an internal thread matched with the external thread is arranged in the threaded hole.

Images