CN210678786U - Adjustable knife - Google Patents

Abstract

The utility model provides an adjustable knife, which relates to the technical field of medical instruments and biotechnology and comprises a calibration plate and a knife; the calibration plate is provided with scale marks along the length direction, the cutter is installed on the calibration plate, and the cutter can slide along the length direction of the calibration plate. The problem of with the length of human eye estimation experimental materials, the cutting is inaccurate, uses the scale to measure, seeks inconvenient technical problem, has reached the unanimous of cutting experimental materials length size, the technical effect of the cutting of being convenient for is solved.

Description

Adjustable knife

Technical Field

The utility model belongs to the technical field of medical instrument and biotechnology's technique and specifically relates to an adjustable sword is related to.

Background

Doctors are the paradigm of rescuing and supporting injuries, and the patient's life is held tightly in the doctor's hand. Before entering a hospital, students in medical schools generally need to perform various tests according to different diseases to achieve the purpose of accurate treatment, and therefore, experimental materials need to be cut to serve as experimental supplies to achieve multiple experiments.

In the process of cutting experimental materials, a scalpel is usually required, and the scalpel comprises a blade, a connecting part and a handle. The operator relies on the estimation of self eyes to confirm the length of the experimental material of cutting when cutting the experimental material, later holds the handle of a knife cutting experimental material, and the cutting edge of scalpel is sharp, conveniently cuts the experimental material.

However, the length of the experimental material is estimated by human eyes, so that the size and the length of the cut experimental material are different; adopt the scale to measure, although can guarantee the unification of the size, the length of the experimental material of cutting, the scale is difficult often more during the searching as solitary instrument, is difficult for finding, has increased the inconvenience of cutting experimental material.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable sword to having alleviated the length that adopts the human eye to estimate the experimental materials that exists among the prior art, the cutting is inaccurate, uses the scale to measure, seeks the not convenient technical problem.

The utility model provides an adjustable knife, which comprises a calibration plate and a knife tool;

the calibration plate is provided with scale marks along the length direction, the cutter is installed on the calibration plate, and the cutter can slide along the length direction of the calibration plate.

Furthermore, the handle of a knife of cutter is connected with the sliding block, be provided with the mounting hole on the sliding block, the calibration board is worn to establish in the mounting hole, just the sliding block can be relative the calibration board is followed the length direction of calibration board removes.

Further, the width of the mounting hole perpendicular to the length direction of the calibration plate is matched with the width of the calibration plate.

Further, the number of the cutters is two;

two the cutter is all installed on the calibration board, and all can follow the length direction of calibration board removes.

Further, the adjustable knife further comprises a handle;

the cutter is installed on one side face of the calibration plate, and the handle is connected to the other side face, opposite to the cutter, of the calibration plate.

Further, the handle is connected in the middle of calibration board, and two the cutter sets up respectively the both sides of handle.

Further, the cutter with the sliding block is for dismantling the connection.

Further, the cutter passes through the connecting block and is connected with the sliding block, be equipped with the inserting groove on the connecting block, the cutter is pegged graft in the inserting groove.

Further, the cutter also comprises a poking sheet;

the poking piece is arranged on the cutter.

Furthermore, the adjustable knife also comprises two stop sheets;

the two stop pieces are respectively connected to two ends of the calibration plate in the length direction.

The utility model provides an adjustable sword, the calibration board is provided with the scale mark along length direction, the cutter is installed on the calibration board, just the cutter can be followed the length direction of calibration board slides, when needs cutting experimental materials, uses the calibration board to measure the length of the experimental materials of required cutting, stirs the cutter after having measured for the sword of cutter slides to the terminal alignment with the required length of the experimental materials of measurement of calibration board, later presses down calibration board or cutter, realizes that the cutter treats the cutting of cutting thing, because the setting of scale on the calibration board, can guarantee that the cutting size of treating the cutting thing is suitable, and has avoided the inconvenience that needs additionally look for the scale.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an adjustable knife provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cutter of an adjustable knife according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the connection between the calibration plate and the handle of the adjustable knife provided by the embodiment of the present invention;

fig. 4 is a side view of an adjustable knife provided by an embodiment of the present invention.

Icon: 100-calibration plate; 200-a cutter; 300-a handle; 400-a stop sheet; 201-a slider; 202-knife; 203-connecting block; 204-stirring piece.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an adjustable knife, as shown in fig. 1, fig. 3 and fig. 4, the calibration plate 100 is provided with scale marks along the length direction, the knife 200 is installed on the calibration plate 100, the knife 200 can slide along the length direction of the calibration plate 100, and the cutting edge of the knife 202 of the knife 200 is arranged downwards, so as to facilitate the cutting of the cut objects; when the object to be cut needs to be cut, the length of the experimental material needing to be cut is measured by using the scale marks of the calibration plate 100, after the measurement is finished, the cutter 200 is shifted, the cutter 202 of the cutter 200 slides to the tail end of the required length of the experimental material needing to be cut, which is measured by using the calibration plate 100, and then the calibration plate 100 or the cutter 200 is pressed, so that the cutter 202 can cut the object to be cut, the cutter 202 of the calibration plate 100 with the scale marks is adopted for cutting, the size of the cut size of the object to be cut can be ensured to be proper, and the inconvenience of additionally searching for a scale is avoided.

Specifically, as shown in fig. 2, the handle of a knife of cutter 200 is connected with sliding block 201, sliding block 201 is equipped with the mounting hole that runs through from left to right, calibration board 100 wears to establish in the mounting hole, and sliding block 201 can be relative calibration board 100 follows the length direction of calibration board 100 removes, namely, as shown in fig. 1, sliding block 201 cup joints on calibration board 100, can realize cutter 200 and calibration board 100's stable connection, avoids breaking away from of sliding block 201 and calibration board 100.

It should be further noted that, the rear side of the sliding block 201 can also be set to be a structure that the two sides protrude and the middle is not connected, or a structure that the upper end is connected to the calibration board 100 in a clamping manner, as long as the sliding block 201 can be clamped to the calibration board 100.

It should be further noted that the clamping groove on the sliding block 201 needs to be matched and clamped with the height of the calibration plate 100, that is, the height of the clamping groove is consistent with the height of the calibration plate 100, so that the situation that the sliding block 201 is not tightly matched with the calibration plate 100 when a material to be cut is avoided, and the stability of the connection structure of the calibration plate 100 and the sliding block 201 in the cutting process is ensured.

It should be further noted that, as shown in fig. 1 and fig. 3, the calibration plate 100 is provided with scale marks; when in use, the scale marks on the calibration plate 100 can be directly used as the standard of measurement; for example, when only the left tool 200 is provided, the start end of the right side of the calibration plate 100 can be used as a 0-scribed line, when the calibration plate 100 is used, the 0-scribed line of the calibration plate 100 is aligned with the start end of the object to be cut, the tool 200 is slid to reach the position of the scribed line of the object to be cut, and then the calibration plate 100 or the tool 200 is directly pressed to cut the object to be cut; the process is simple and convenient to operate.

It should be noted that a scribed line is arranged in the middle of the sliding block 201, so that the tool holder can accurately align to the scribed line position on the calibration plate 100, and the measurement error of the measurement of the object to be cut is reduced; moreover, the width of the sliding block 201 is matched with the width of the calibration board 100, so that the sliding block 201 is stably connected with the calibration board 100.

As shown in fig. 1, the number of the cutters 200 is two, and both the cutters 200 can move along the length direction of the calibration plate 100; the distance between the two cutters 200 can be measured as the length of the object to be cut, the object to be cut can be cut more conveniently by adjusting the distance between the two cutters 200, so that the left side and the right side of the object to be cut can be cut more accurately, and the object to be cut can be cut more accurately compared with the situation that only one cutter 200 is used; meanwhile, the required materials with uniform specification length and size for different purposes can be conveniently and accurately cut, the cutting times are reduced, and the test error and the pollution probability are reduced.

As shown in fig. 1 and 3, the handle 300 is attached to the rear side of the calibration plate 100 to facilitate cutting of an object to be cut.

It should be noted that the hand-held portion of the handle of the knife 202 can be used as the handle 300 portion, which is easier to manufacture.

As shown in fig. 1 and 2, the handle 300 is connected to the middle position of the rear side of the calibration plate 100, the two cutters 200 are symmetrically arranged on the left and right sides of the handle 300, the two cutters 200 are slid according to the cutting length of the object to be cut, so that the distance between the two cutters 200 is equal to the cutting length of the object to be cut, the handle 300 is arranged at the middle position of the rear side of the calibration plate 100, the force exerted on the cutters 202 on the left and right sides of the adjustable cutter is the same, the force exerted on the object to be cut by the cutters 202 of the cutters 200 is the same, the pressing force exerted on the two sides of the object to be cut is the same, the two sides of the object to be cut are synchronously cut at the same time, the force is.

The knife 202 and the sliding block 201 are detachably connected, can replace knives 202 of various different specifications, and are wider in application range.

Specifically, as shown in fig. 2, the rear end of the connecting block 203 is welded to the front end of the sliding block 201, an insertion groove is formed in the front end of the connecting block 203, and the knife 202 is inserted into the insertion groove; the connecting block 203 can adopt the handle part of the existing knife 202, the handle part of the knife 202 is welded at the front end of the sliding block 201, and the setting mode is simple.

It should be noted that the rear end of the connecting block 203 and the front end of the sliding block 201 may also be connected by screws or pins.

As shown in fig. 1, 2 and 3, the toggle piece 204 is connected to the rear side of the sliding block 201, and the toggle piece 204 is arranged to more conveniently control the position of the knife 202 on the calibration plate 100, so that the toggle is convenient.

It should be noted that the dial 204 is welded to the rear side of the sliding block 201, so as to ensure the stability of the connection structure between the dial 204 and the sliding block 201.

It should be noted that the dial 204 can also be fixedly connected to the sliding block 201 by means of screws or pins.

As shown in fig. 1 and 3, two stopper pieces 400 are attached to the left and right ends of the calibration plate 100 for preventing the cutter 200 from slipping out of the calibration plate 100.

Specifically, be equipped with the spread groove on the backstop piece 400, backstop piece 400 can dismantle the both ends of connecting at calibration plate 100 through the spread groove, just the height of spread groove is unanimous with calibration plate 100's height, and the width of spread groove is unanimous with calibration plate 100's width, guarantees the stability that backstop piece 400 and calibration plate 100 are connected.

Specifically, when setting, the length of the handle 300 may be set to (8-10) cm × 1-2 cm, the length of the calibration board 100 is about 10cm, the blank of the left and right sides is about 1cm, the scale 0 may be set from the blank 1cm on the left side of the calibration board 100, and the scale 0-8cm is set to the right, which is accurate to 0.1. The length and width of the poking piece are about 1cm x 1cm, the length and width of the sliding block 201 are about 3cm x 1cm, the width of the connecting groove is 2cm, and the width of the positioning piece is 2 cm.

The stop plate 400, the calibration plate 100 and the cutter 200 may be made of stainless steel.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. An adjustable knife is characterized by comprising a calibration plate and a knife tool;

the calibration plate is provided with scale marks along the length direction, the cutter is mounted on the calibration plate, and the cutter can slide along the length direction of the calibration plate;

the cutter also comprises a poking sheet; the poking piece is arranged on the cutter.

2. The adjustable knife according to claim 1, wherein a sliding block is connected to a handle of the knife, the sliding block is provided with a mounting hole, the calibration plate is arranged in the mounting hole in a penetrating manner, and the sliding block can move along the length direction of the calibration plate relative to the calibration plate.

3. The adjustable knife of claim 2, wherein the width of the mounting hole perpendicular to the length of the calibration plate is adapted to the width of the calibration plate.

4. The adjustable knife of claim 1, wherein the number of knives is two;

two the cutter is all installed on the calibration board, and all can follow the length direction of calibration board removes.

5. The adjustable knife according to claim 2, wherein the adjustable knife further comprises a handle;

the cutter is installed on one side face of the calibration plate, and the handle is connected to the other side face, opposite to the cutter, of the calibration plate.

6. The adjustable knife of claim 5, wherein the handle is attached to a middle portion of the calibration plate, and the two knives are disposed on either side of the handle.

7. The adjustable knife of claim 2, wherein the knife is removably attached to the sliding block.

8. The adjustable knife of claim 7, wherein the cutting tool is connected to the sliding block through a connecting block, the connecting block is provided with an insertion groove, and the cutting tool is inserted into the insertion groove.

9. The adjustable knife of claim 1, further comprising two stop tabs;

the two stop pieces are respectively connected to two ends of the calibration plate in the length direction.

Images