CN212096654U

CN212096654U - Device is tailor with protein carrier film in biological laboratory

Info

Publication number: CN212096654U
Application number: CN202020148509.1U
Authority: CN
Inventors: 王华飞; 姚晓含; 朱珠; 贺璐璐
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2020-01-31
Filing date: 2020-01-31
Publication date: 2020-12-08
Anticipated expiration: 2030-01-31

Abstract

The utility model provides a device is tailor with protein carrier film in biological laboratory belongs to experimental apparatus technical field for lack in the solution laboratory and be convenient for cut not unidimensional protein carrier film equipment, tailor the technical problem of inefficiency. The spring-loaded type horizontal cutting machine comprises a lower frame and an upper frame, wherein a bearing film is arranged between the lower frame and the upper frame, a positioning strip is arranged on the upper frame, a circular table is symmetrically arranged on the upper end surface of the positioning strip, a spring is sleeved on the circular table, a longitudinal cutting knife handle and a transverse cutting knife handle are respectively arranged on the circular table in a sliding mode, a longitudinal cutting blade and a clamping block are respectively and fixedly arranged on the longitudinal cutting knife handle and the transverse cutting knife handle, and a transverse cutting blade is fixedly arranged on the clamping block; the utility model discloses a mutual block between location boss and the constant head tank to fixed carrier film, simple structure confirms the cutting position through the scale mark, and the cutting precision is high, through pushing down respectively the rip cutting handle of a knife and the crosscut handle of a knife vertically and transversely cut, the spring play reset effect is established to the cover on the round platform, and is easy and simple to handle, can improve work efficiency.

Description

Device is tailor with protein carrier film in biological laboratory

Technical Field

The utility model belongs to the technical field of experimental apparatus, a tailor device is related to, especially a device is tailor with protein carrier film in biological laboratory.

Background

Biological laboratories have many protein experiments (such as the one commonly used in western blotting. the basic principle is to stain a sample of cells or biological tissue treated by gel electrophoresis with specific antibodies. information on the expression of a particular protein in the cell or tissue being analyzed is obtained by analyzing the location and depth of staining), which requires the use of a membrane to carry the electrophoretically obtained, uniformly smeared protein. The carrier film distributes in proper order from the top edge to the lower limb and has the protein of different molecular weight size, for measuring purpose protein, need cut the membrane of corresponding section, and it is all very careful to cut at every turn, extravagant a large amount of energy, and the size of the membrane that needs at every turn is all different.

However, at present, the cutting mode is cutting by a knife on a clean table or cutting by cutting after covering with a preservative film, the cutting is inconvenient, the cutting size is difficult to determine, and the pollution is easy, so that a protein bearing film cutting device for a biological laboratory is provided.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a device is tailor with protein carrier film in biological laboratory, the technical problem that the device will solve is: how to realize convenient tailor of protein carrier film in biological laboratory, and can tailor different sizes, improve work efficiency.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a device is tailor with protein carrier film in biological laboratory, includes lower frame and upper ledge, be provided with the carrier film between lower frame and the upper ledge, be provided with the location strip on the upper ledge, the quantity of location strip is two, the both ends of location strip all are equipped with the plush copper, the up end symmetry of location strip is equipped with the round platform, the cover is equipped with the spring on the round platform, it is provided with rip cutting handle of a knife and crosscut handle of a knife to slide respectively on the round platform on two location strips, the side of rip cutting handle of a knife is fixed with the rip cutting blade, the symmetry is fixed with two grip blocks on the crosscut handle of a knife, all be fixed with.

The utility model discloses a theory of operation is: the cutting position and the cutting size can be adjusted by adjusting the position of the positioning strip on the upper frame, during cutting, the longitudinal cutting knife handle is pressed down at different positions according to the position and the size of required cutting, the longitudinal cutting blade is driven to perform longitudinal cutting twice, the transverse cutting knife handle is pressed down again, the two transverse cutting blades are driven to perform transverse cutting, and therefore the bearing film is cut out, and the round platform is sleeved with the spring to play a resetting role.

The lower frame is internally provided with a lower through empty groove, the periphery of the lower empty groove is provided with positioning grooves, the upper frame is internally provided with an upper empty groove, the periphery of the upper empty groove is provided with positioning bosses, the two ends of the upper empty groove are symmetrically provided with avoidance grooves, the two sides of the upper empty groove are symmetrically provided with sliding grooves, and the side part of the upper empty groove is provided with scale marks.

Structure more than adopting, be the cutting position in dead slot and the last dead slot down, can prevent to touch the carrier film to prevent that protein from being contaminated, the carrier film can be fixed to mutual block between location boss and the constant head tank, dodges the groove and can prevent that vertical cutter piece and horizontal cutter piece from interfering each other when the cutting, and the cutting position can be adjusted to the slip energy of location strip in the spout and cutting size, confirms the cutting position through the scale mark, improves the precision.

The location boss block all is equipped with strong magnetism in the constant head tank in location boss and constant head tank, and the carrier film pressfitting is between location boss and constant head tank.

Structure more than adopting, through the strong magnetism mutual adsorption on location boss and the constant head tank, enable the lower frame and the inseparable laminating of upper ledge to inseparable pressfitting carrier film can effectively fix the carrier film.

The raised head is slidably arranged in the chute.

By adopting the structure, the position of the positioning strip can be adjusted by sliding the raised head in the sliding groove, so that the carrier films with different sizes can be cut according to requirements.

The size of the lower hollow groove is the same as that of the upper hollow groove, and the end part of the longitudinal cutting blade and the side surface of the transverse cutting blade are attached to the side surface of the upper hollow groove.

By adopting the structure, the end part of the longitudinal cutting blade and the side surface of the transverse cutting blade are attached to the side surface of the upper hollow groove, so that the carrier film can be effectively cut.

Compared with the prior art, the protein carrying membrane cutting device for the biological laboratory has the following advantages.

1. This device is through the mutual block between location boss and the constant head tank to fixed carrier film, simple structure confirms the cutting position through the scale mark, and the cutting precision is high, through pushing down respectively the rip cutting handle of a knife and the crosscut handle of a knife vertically and transversely cut, the spring play reset effect is established to the cover on the round platform, and is easy and simple to handle, can improve work efficiency.

2. The tip of slitting blade and cross-cut piece side all laminate mutually with the side of last dead slot, can effectively cut the carrier film, offer dead slot and last dead slot down as the cutting position, can prevent to touch the carrier film to prevent that protein from being contaminated, dodge the groove and can prevent that slitting blade and cross-cut piece from interfering each other when the cutting, structural design is reasonable.

Drawings

Fig. 1 is a schematic diagram of the right side axial measurement structure of the present invention.

Fig. 2 is a schematic view of the left side axial measurement structure of the present invention.

In the figure: the cutting tool comprises a lower frame 1, a lower empty groove 1a, a positioning groove 1b, an upper frame 2, an upper empty groove 2a, a positioning boss 2b, an avoidance groove 2c, a sliding groove 2d, a scale mark 2e, a bearing film 3, a positioning strip 4, a raised head 4a, a circular truncated cone 4b, a longitudinal cutting tool shank 5, a spring 6, a longitudinal cutting blade 7, a transverse cutting tool shank 8, a clamping block 9 and a transverse cutting blade 10.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, this embodiment provides a protein carrier film cutting device for biological laboratories, which includes a lower frame 1 and an upper frame 2, a carrier film 3 is disposed between the lower frame 1 and the upper frame 2, a positioning strip 4 is disposed on the upper frame 2, the number of the positioning strip 4 is two, protruding heads 4a are disposed at both ends of the positioning strip 4, circular truncated cones 4b are symmetrically disposed on upper end surfaces of the positioning strip 4, springs 6 are sleeved on the circular truncated cones 4b, a longitudinal cutting knife handle 5 and a transverse cutting knife handle 8 are slidably disposed on the circular truncated cones 4b on the two positioning strips 4, a longitudinal cutting knife 7 is fixed on a side surface of the longitudinal cutting knife handle 5, in this embodiment, the fixing manner is a bolt connection, two clamping blocks 9 are symmetrically fixed on the transverse cutting knife handle 8, in this embodiment, the clamping blocks 9 are connected by bolts, and a transverse cutting knife 10 is fixed on the clamping blocks 9, the fixing mode adopts bolt connection; cutting position and cutting size can be adjusted through adjusting the position of location strip 4 on upper ledge 2, during the cutting, according to the position and the size of required cutting, pushes down rip cutting handle of a knife 5 in different positions, drives rip cutting blade 7 and carries out twice vertical cutting, pushes down crosscut handle of a knife 8 again, drives two crosscut blades 10 and carries out horizontal cutting to tailor carrier film 3, the cover is established spring 6 and can play the effect of restoring to the round platform 4 b.

A lower hollow groove 1a penetrating through the lower frame 1 is formed in the lower frame 1, positioning grooves 1b are formed in the periphery of the lower hollow groove 1a, an upper hollow groove 2a is formed in the upper frame 2, positioning bosses 2b are formed in the periphery of the upper hollow groove 2a, avoidance grooves 2c are symmetrically formed in two ends of the upper hollow groove 2a, sliding grooves 2d are symmetrically formed in two sides of the upper hollow groove 2a, and scale marks 2e are formed in the side portion of the upper hollow groove 2 a; for the cutting position in lower dead slot 1a and last dead slot 2a, can prevent to touch carrier film 3, thereby prevent that protein from being contaminated, carrier film 3 can be fixed to mutual block between location boss 2b and the constant head tank 1b, dodge groove 2c and can prevent that longitudinal cutting blade 7 and cross-cut blade 10 from interfering each other when the cutting, location strip 4 can adjust cutting position and cutting size in spout 2d internal slip, confirm the cutting position through scale mark 2e, the precision is improved.

The positioning boss 2b is clamped in the positioning groove 1b, strong magnetism is arranged on both the positioning boss 2b and the positioning groove 1b, and the carrier film 3 is pressed between the positioning boss 2b and the positioning groove 1 b; through the strong magnetism mutual adsorption on location boss 2b and the constant head tank 1b, enable lower frame 1 and the inseparable laminating of upper ledge 2 to inseparable pressfitting carrier film 3 can effectively fix carrier film 3.

The raised head 4a is arranged in the chute 2d in a sliding manner; the position of the positioning strip 4 can be adjusted by sliding the raised head 4a in the sliding groove 2d, so that the carrier films 3 with different sizes can be cut according to requirements.

The size of the lower hollow groove 1a is the same as that of the upper hollow groove 2a, and the end part of the longitudinal cutting blade 7 and the side surface of the transverse cutting blade 10 are attached to the side surface of the upper hollow groove 2 a; the end part of the longitudinal cutting blade 7 and the side surface of the transverse cutting blade 10 are attached to the side surface of the upper hollow groove 2a, so that the carrier film 3 can be effectively cut.

The utility model discloses a theory of operation:

when using this device in the laboratory, place the lower frame 1 on the tray earlier, reserve in the tray and have the commentaries on classics membrane buffer solution, place bearer membrane 3 in constant head tank 1b again, will fix a position boss 2b block at constant head tank 1b, adsorb each other through the strong magnetism on boss 2b and the constant head tank 1b of fixing a position, enable lower frame 1 and the inseparable laminating of upper frame 2 to inseparable pressfitting bearer membrane 3 can effectively fix bearer membrane 3. Before cutting, the longitudinal cutter piece 7 and the transverse cutter piece 10 are respectively positioned in two avoiding grooves 2c, and the avoiding grooves 2c can prevent the longitudinal cutter piece 7 and the transverse cutter piece 10 from interfering with each other during cutting. The lower empty groove 1a and the upper empty groove 2a are cutting positions, the bearing film 3 can be prevented from being touched, protein is prevented from being polluted, the raised head 4a slides in the sliding groove 2d, the position of the positioning strip 4 can be adjusted, when the bearing film 3 is cut, the cutting position is determined through the scale mark 2e, the accuracy can be improved, the left positioning strip 4 slides to drive the longitudinal cutting knife handle 5 to move, the longitudinal cutting knife handle 5 is pressed down at two longitudinal cutting positions respectively, the longitudinal cutting knife 7 can be driven to perform longitudinal cutting twice, and after the longitudinal cutting is completed, the longitudinal cutting knife 7 is moved into the left avoiding groove 2 c; slip right side location strip 4 and drive crosscut handle of a knife 8 and remove, press crosscut handle of a knife 8 at required cutting position down, can drive two crosscut blades 10 and carry out the transverse cutting, thereby tailor required carrier film 3, after the transverse cutting is accomplished, move into the right side with crosscut blade 10 and dodge in the groove 2c, the spring 6 of establishing of cover on the round platform 4b can play the effect of resetting, the tip of slitting knife piece 7 and crosscut piece 10 side all laminate with the side of last dead slot 2a mutually, can effectively cut carrier film 3. The cut carrier film 3 is dropped on a tray.

In conclusion, the device fixes the bearing film 3 by mutually clamping the positioning boss 2b and the positioning groove 1b, has a simple structure, determines the cutting position by the scale mark 2e, has high cutting precision, performs longitudinal and transverse cutting by respectively pressing the longitudinal cutting knife handle 5 and the transverse cutting knife handle 8, is provided with the spring 6 on the circular truncated cone 4b for resetting, is simple and convenient to operate, and can improve the working efficiency; the tip of vertical cutting blade 7 and cross-cutting blade 10 side all laminate mutually with the side of last dead slot 2a, can effectively cut carrier film 3, offer dead slot 1a and last dead slot 2a down as the cutting position, can prevent to touch carrier film 3 to prevent that protein from being contaminated, dodge groove 2c and can prevent that vertical cutting blade 7 and cross-cutting blade 10 from interfering each other when cutting, structural design is reasonable.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a device is tailor with protein carrier film in biological laboratory, including lower frame (1) and upper ledge (2), a serial communication port, be provided with carrier film (3) between lower frame (1) and upper ledge (2), be provided with location strip (4) on upper ledge (2), the quantity of location strip (4) is two, the both ends of location strip (4) all are equipped with plush copper (4 a), the up end symmetry of location strip (4) is equipped with round platform (4 b), the cover is equipped with spring (6) on round platform (4 b), it is provided with rip cutting handle of a knife (5) and crosscut handle of a knife (8) to slide respectively on round platform (4 b) on two location strips (4), the side of rip cutting handle of a knife (5) is fixed with rip cutting blade (7), the symmetry is fixed with two grip blocks (9) on crosscut handle of a knife (8), all be fixed with crosscut blade (10) on grip block (9).

2. The cutting device for the protein bearing membrane for the biological laboratory according to claim 1, wherein a lower hollow groove (1 a) is formed in the lower frame (1) in a penetrating manner, positioning grooves (1 b) are formed in the periphery of the lower hollow groove (1 a), an upper hollow groove (2 a) is formed in the upper frame (2), positioning bosses (2 b) are formed in the periphery of the upper hollow groove (2 a), avoidance grooves (2 c) are symmetrically formed in two ends of the upper hollow groove (2 a), sliding grooves (2 d) are symmetrically formed in two sides of the upper hollow groove (2 a), and scale marks (2 e) are formed in the side portions of the upper hollow groove (2 a).

3. The protein carrier film cutting device for the biological laboratory according to claim 2, wherein the positioning boss (2 b) is clamped in the positioning groove (1 b), strong magnetism is arranged on both the positioning boss (2 b) and the positioning groove (1 b), and the carrier film (3) is pressed between the positioning boss (2 b) and the positioning groove (1 b).

4. The cutting device for protein-bearing membranes used in biological laboratories according to claim 2, characterized in that the nose (4 a) is slidably arranged in the chute (2 d).

5. The cutting device for protein-bearing membranes used in biological laboratories according to claim 2, characterized in that the size of the lower empty groove (1 a) is the same as that of the upper empty groove (2 a), and the end of the longitudinal cutting blade (7) and the side of the transverse cutting blade (10) are both attached to the side of the upper empty groove (2 a).