CN217861662U - Plant tissue slicer - Google Patents

Abstract

The utility model relates to the field of slicing machines, in particular to a plant tissue slicing machine, comprising a base; a propeller, one end of the propeller placed on the base slides to point to the other end; a guide frame, the guide frame is connected to the propeller, and the surface of the guide frame has U-shaped gap for placing plant tissue; knife, the knife slides linearly with the guide frame to cut plant tissue in the U-shaped gap; sample carrier, sample carrier and base remain fixed, and the sample carrier is located on the side of the guide frame , the utility model adopts a spiral differentiator to adjust the position of the plant sample clamped by the guide frame relative to the sample pressure plate, and cooperates with the vertically sliding blade to cut the plant sample, so that the obtained plant slices are accurate in size, complete in slices and uniform in thickness, and the blade adopts The vertical sliding method is used to limit the position, avoiding accidental injuries during the cutting process, and has high safety.

Description

A plant tissue slicer

technical field

The utility model relates to the field of slicers, in particular to a plant tissue slicer.

Background technique

In plant research, it is necessary to study plants by slicing tissue. Plant tissue slicing is an important part of observing plant tissue and cell morphology. The quality of slicing directly affects the results of experimental observation. The existing slicing methods include freehand slicing, paraffin slicing, Frozen section, and a series of slicing methods;

Freehand slicing is simple, easy to operate, and fast in making slices. In most cases, the materials are not treated with any chemicals, so that the tissues and cells remain in a living state, so that the natural color and living structure of plant tissues can be observed, while other slicing methods Most of them use fixatives or freezing methods to pre-treat samples, complicating operations or destroying cellular structures.

However, the existing free-hand slicing is difficult to cut out qualified thin slices for observation, and it is easy to produce uneven thickness, and it is difficult to obtain a complete slice.

Utility model content

The purpose of this utility model is to solve the following problems in the prior art: it is difficult to cut out qualified thin slices for observation with the existing bare-handed plant slices, and it is easy to produce uneven thickness, and it is difficult to obtain complete slices. It is easy to cut fingers, and there are safety hazards in operation.

In order to solve the problems existing in the prior art, the utility model provides a plant tissue slicer, including a base; a propeller, the propeller is placed on one end of the base and slides to point to the other end; a guide frame, the guide frame is connected to the propeller, and guides The surface of the frame has a U-shaped gap for placing plant tissues; the knife slides linearly with the guide frame to cut the plant tissue in the U-shaped gap; the sample carrier, the sample carrier and the base remain fixed, and the sample carrier is positioned at the guide rack side.

Preferably, the propeller includes a line rail fixed on the surface of the base, a slider slides on the surface of the line rail, the guide frame is fixedly connected to the slider, one end of the base has a vertically upward right-angled side, and the right-angled side is installed through a A screw differentiator, the screw differentiator is connected to the slider.

Preferably, the top of the right-angled side of the base is fixed with a spiral seat by screws, the spiral differentiator is placed between the spiral seat and the right-angled side, the surface of the slider is fixed with a bearing seat, and the end of the spiral differentiator passes through the bearing Connect with the bearing housing.

Preferably, the bearing part is a miniature radial ball bearing with a flanged outer ring.

Preferably, the cutter includes a blade, the blade slides vertically with the guide frame, a pressing handle and a splint are respectively arranged on both sides of the upper part of the blade, and the pressing handle and the splint clamp and fix the blade through screws.

Preferably, the sample carrier includes a sample stage, the sample stage is fixed on the surface of the line rail, and the surface of the sample stage is provided with two sample clamping plates, and the two sample clamping plates are connected by screws to clamp the plant tissue sample, and one of the sample clamping plates is fixedly connected sample stage.

Compared with related technologies, the plant tissue slicer provided by the utility model has the following beneficial effects:

The utility model adopts a spiral differentiator to adjust the position of the plant sample clamped by the guide frame relative to the sample pressing plate, and cooperates with a vertically sliding blade to cut the plant sample, so that the acquired plant slices are accurate in size, complete in slices and uniform in thickness, and the blade adopts a vertical Straight-sliding way limit, avoid accidental injury during cutting, high safety.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure between the spiral differentiator and the bearing seat of the present invention.

Numbers in the figure: 1. Base; 2. Slider; 3. Bearing seat; 4. Spiral differentiator; 5. Spiral seat; Pressing plate; 11, sample table; 12, line rail; 13, bearing parts.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The specific implementation of the utility model is described in detail below in conjunction with specific embodiments.

Embodiment one

As shown in Figure 1-2, a plant tissue slicer, the base 1 is L-shaped. The surface of the rail 12 slides with a slider 2, and the guide frame 9 is fixed on the surface of the slider 2;

As shown in Figure 1, the top of the right-angled side of the base 1 is installed with a screw seat 5 through screws, and the screw differentiator 4 is placed between the screw seat 5 and the right-angled side to point to the slider 2, and the bearing seat 3 is fixed on the surface of the slider 2. The end of device 4 is connected with bearing seat 3 through bearing member 13;

As shown in Figure 1, the middle part of guide frame 9 has the U-shaped gap that runs through the top, and the both side edges of guide frame 9 have vertically downward sliding grooves, and cutter comprises blade 8, and blade 8 and guide frame 9 both sides The sliding groove is slidingly adapted, and the pressing handle 6 and the splint 7 are respectively arranged on both sides of the upper part of the blade 8, and the pressing handle 6 and the splint 7 clamp and fix the blade 8 by screws;

As shown in Figure 1, the sample carrier includes a sample stage 11, the sample stage 11 is fixed on the surface of the line rail 12, the sample stage 11 is located on the side of the guide frame 9 away from the slider 2, and two sample pressure plates 10 are arranged on the surface of the sample stage 11 , the two sample splints 7 are connected by screws to hold the plant tissue sample, and one of the sample splints 7 is fixedly connected to the sample stage 11;

Loosen the screw to move one sample splint 7 sideways, place the plant sample between the two sample splints 7, then tighten the screw to clamp the plant sample, and push the bearing seat 3 and slider 2 along the line track by rotating the screw differentiator 4 12 Precise linear position to control the expansion and contraction of the plant sample in the U-shaped gap of the guide frame 9, hold the pressing handle 6 and press the blade 8 downward, and the blade 8 slides down along the guide frame 9 to cut the plant sample in the U-shaped gap to obtain Plant tissue slices with uniform thickness and precise size;

As shown in Figure 2, the bearing part 13 adopts a miniature radial ball bearing with a flanged outer ring, so that while the screw differentiator 4 and the bearing seat 3 are kept rotating, the temperature in the axial direction is fixed accurately and the movement feed error is avoided. ;

The spiral differentiator 4 is clamped by the spiral seat 5 and the right-angled side, which facilitates disassembly and assembly of the spiral differentiator 4;

As shown in Figure 1, the blade 8 is clamped and fixed by using the pressing handle 6 and the splint 7 through screw closure, which facilitates the disassembly and assembly of the blade 8 and facilitates the replacement of the blade 8 later. The pressing handle 6 has an upwardly extending part to keep the hand away from the blade. 8. Improve operational safety.

Claims (6)

1. A plant tissue microtome, comprising:

a base (1);

the propeller is arranged at one end of the base (1) and points to the other end in a sliding manner;

the guide frame (9), the guide frame (9) is connected with the propeller, and the surface of the guide frame (9) is provided with a U-shaped gap for placing plant tissues;

the cutter slides linearly with the guide frame (9) and is used for cutting plant tissues in the U-shaped gap;

the sample carrier is fixed with the base (1) and is positioned at the side of the guide frame (9).

2. The plant tissue slicer according to claim 1, wherein the pusher comprises a linear rail (12) fixed on the surface of the base (1), the surface of the linear rail (12) is provided with a sliding block (2) in a sliding manner, the guide frame (9) is fixedly connected with the sliding block (2), one end of the base (1) is provided with a vertical upward square edge, the square edge is provided with the spiral differentiator (4) in a penetrating manner, and the spiral differentiator (4) is connected with the sliding block (2).

3. The plant tissue slicer according to claim 2, wherein a spiral seat (5) is fixed at the top of the right-angle side of the base (1) through a screw, the spiral differentiator (4) is arranged between the spiral seat (5) and the right-angle side, a bearing seat (3) is fixed on the surface of the sliding block (2), and the end part of the spiral differentiator (4) is connected with the bearing seat (3) through a bearing piece (13).

4. The plant microtome according to claim 3, characterized in that the bearing element (13) is a radial ball bearing with an outer race.

5. The plant tissue microtome according to claim 1, wherein the knife comprises a blade (8), the blade (8) slides vertically with the guide (9), the pressing handle (6) and the clamping plate (7) are respectively provided on both sides of the upper portion of the blade (8), and the pressing handle (6) and the clamping plate (7) clamp the fixed blade (8) by screws.

6. The plant microtome according to claim 2, characterized in that the specimen carrier comprises a specimen table (11), the specimen table (11) being fixed to the surface of the linear rail (12), the specimen table (11) being provided with two specimen holders (10) on its surface, the two specimen holders (7) being connected by screws for holding the specimen of the plant tissue, one of the specimen holders (7) being fixedly connected to the specimen table (11).

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