Plant tissue grinder
By designing a portable, enclosed plant tissue grinder, the problem of pollution-free grinding that cannot be performed on-site in existing technologies has been solved, enabling efficient sample processing and testing.
Patent Information
- Application Number
- CN202423309455.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing technologies, tissue grinding methods cannot be performed on-site and are prone to sample contamination, especially when used for gray mold detection, where sample contamination cannot be avoided.
A portable plant tissue grinder was designed, including a grinding tube and a grinding rod. It adopts a closed structure, and the sample is gradually ground into powder in a closed environment by hand-cranking the grinding rod. A sealing plate and a return spring are used to ensure that the sample is not contaminated.
It enables efficient grinding of plant tissues in a closed environment, avoiding sample contamination, and is easy to carry and use, making it suitable for on-site testing.
Smart Images
Figure CN223774997U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to biological tissue grinding technical field, concretely relates to a plant tissue grinder. BACKGROUND
[0002] Botrytis blight is an important disease that occurs on a variety of fruit and vegetable crops. The disease occurs early, spreads quickly, and lasts for a long time, and harms various organs such as leaves, stems, flowers, and fruits, seriously threatening the yield and quality of crops. The disease is widespread in tomato-producing areas, and can cause 40% to 50% yield loss, even absolute loss, when severe. At the same time, Botrytis blight is also one of the devastating diseases in strawberry-producing areas, and occurs widely in both open field and protected cultivation, generally causing 20% to 30% yield loss, and more than 50% when severe, even absolute loss. Therefore, real-time monitoring of Botrytis cinerea in the field and facility agriculture is necessary for early prevention and control of Botrytis blight.
[0003] When detecting Botrytis blight, plant tissues need to be removed for grinding, and then DNA extraction solution is added for DNA lysis and extraction. Currently, the main methods for tissue grinding include tissue grinder method, mortar method, and glass grinder method. The tissue grinder method requires special equipment and must be used under specified conditions, which cannot adapt to on-site grinding. At the same time, although the mortar and glass grinder can be used on site, they cannot avoid contamination.
[0004] In view of the above defects in the prior art, the present inventors have conducted in-depth research and thus have developed the present case. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims to provide a plant tissue grinder, which is convenient to carry and can be ground in a closed environment to avoid contamination of samples.
[0006] To achieve the above technical purposes, the utility model adopts the following technical solutions:
[0007] A plant tissue grinder comprises a grinding tube and a grinding rod, the grinding tube is provided with a tube cap, and the grinding rod is rotationally connected to the tube cap; the grinding rod comprises a rod body in the grinding tube and a rocker outside the tube cap; a first grinding part is formed on the inner wall of the grinding tube in a ring shape along the axis of the grinding tube, a second grinding part is formed on the rod body in a ring shape along the axis of the rod body, the top end and the bottom end of the first grinding part are respectively aligned with the top end and the bottom end of the second grinding part, the inner diameter of the first grinding part gradually increases and then gradually decreases from top to bottom, and the outer diameter of the second grinding part gradually increases and then gradually decreases from top to bottom; a feeding port is formed on the side wall of the grinding tube, the feeding port is higher than the position above the first grinding part, and a sealing plate for sealing the feeding port is movably arranged on the grinding tube.
[0008] Further, a sealing gasket for looping the feeding port is formed on the inner wall of the sealing plate; an annular groove for mounting the sealing plate is formed on the grinding tube, the sealing plate is arc-shaped and is attached to the tube wall of the grinding tube, a fixing ring for sleeving the annular groove is further arranged on the sealing plate, and a first return spring is arranged between the bottom of the fixing ring and the annular groove. The first return spring can quickly rebound the sealing plate upward to close the feeding port, and the use is more simple
[0009] Further, a plurality of fixing sleeves are formed on the annular groove, the bottom of the fixing ring is formed with a sliding sleeve that is in sliding cooperation with the fixing sleeve, and the first return spring is arranged in the fixing sleeve and the sliding sleeve. The sliding sleeve and the fixing sleeve hide the first return spring, so that the entire grinder is more beautiful.
[0010] Further, a plurality of first anti-skid patterns are formed on the outer side wall of the fixing ring, a limiting sliding groove is formed on the inner wall of the fixing ring, and a limiting sliding rail that cooperates with the limiting sliding groove is formed on the annular groove. The cooperation of the limiting sliding rail and the limiting sliding groove can make the sealing plate move up and down more stably.
[0011] Further, a threaded column that is threadedly connected to the tube opening of the grinding tube is arranged on the tube cap, an inner threaded section that cooperates with the threaded column is formed at the tube opening of the grinding tube; a rotating cavity is further formed on the tube cap, a rotating block that cooperates with the rotating cavity is formed on the rod body, and the rotating cavity is further provided with a ball; a plurality of second anti-skid patterns are further formed on the side wall of the tube cap. The ball can make the grinding rod rotate more smoothly.
[0012] Further, the sliding sleeve on the rod is provided with a movable sleeve, the second grinding part is arranged on the movable sleeve, a plurality of limiting guide strips extending along the axial direction of the rod are formed on the rod, a limiting guide groove in sliding fit with the limiting guide strips is formed in the movable sleeve, a rotating head in sliding contact with the inner bottom wall of the grinding pipe is formed at the bottom of the movable sleeve, a plurality of driving top blocks are formed on the inner bottom wall of the grinding pipe, grooves in fit with the driving top blocks are formed on the rotating head, and a second reset spring is fixedly arranged in the movable sleeve. The second grinding part is arranged on the movable sleeve, and the second grinding part moves up and down along with the movable sleeve during rotation, so that the grinding in the axial direction is increased, and the grinding effect is better.
[0013] Further, the middle part of the first grinding part is formed with a first gentle section, the middle part of the second grinding part is formed with a second gentle section, the length of the first gentle section is equal to the length of the second gentle section, and the length of the first gentle section is greater than the up-down sliding distance of the movable sleeve.
[0014] Compared with the prior art, the plant tissue grinder has the following advantages: the plant tissue is put into the grinding pipe through the feeding port, the feeding port is sealed and shielded by the sealing plate, the plant tissue gradually enters between the first grinding part and the second grinding part through the hand grinding rod, and the plant tissue is gradually ground and crushed under the cooperation of the first grinding part and the second grinding part, the whole grinding process is in a closed state, the sample can be prevented from being polluted, and the whole grinder is small in size and convenient to carry. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings;
[0016] Figure 1 is a structural schematic view of the utility model;
[0017] Figure 2 is a structural schematic view of the utility model when the feeding port is opened;
[0018] Figure 3 is Figure 1 a sectional schematic view;
[0019] Figure 4 is a structural schematic view of the sealing plate in the utility model;
[0020] Figure 5 is a structural schematic view of the grinding rod in the utility model;
[0021] Figure 6 is Figure 5 a local enlarged structural schematic view of A in the utility model;
[0022] Figure 7The utility model discloses a structure schematic drawing of the movable sleeve.
[0023] Figure 8 The utility model discloses a structure schematic drawing of the pipe cap.
[0024] The following mainly element symbol explains as follows: grinding tube 1, first grinding part 11, first flat section 111, feed inlet 12, annular groove 13, fixed sleeve 131, spacing slide rail 132, internal thread section 14, drive top block 15, grinding stick 2, stick body 21, second grinding part 211, second flat section 2111, rotation block 212, spacing guide strip 213, rocker 22, pipe cap 3, threaded column 31, rotation cavity 32, ball 33, second antiskid line 34, sealing plate 4, fixed ring 41, sliding sleeve 411, first antiskid line 412, spacing slide 413, sealing washer 42, first return spring 5, movable sleeve 6, spacing guide slot 61, rotation head 62, recess 621, second return spring 7. DETAILED DESCRIPTION
[0025] The utility model will carry out detailed explanation in combination with the specific embodiment and the drawing, need explaining, in the drawing or the description in the description, similar or same part all use same figure number, the implementation mode that is not drawn or described in the drawing, for the form that the ordinary skill in the art knows. In addition, the direction language that the embodiment mentions, for example "on", "under", "top", "bottom", "left", "right", "front", "back" and the like, only reference the direction of drawing, and not use to limit the protection scope of the utility model.
[0026] As Figures 1-8The utility model relates to a plant tissue grinder, including grinder pipe 1 and grinding stick 2, be equipped with pipe cap 3 on grinder pipe 1, grinding stick 2 is rotatably connected on pipe cap 3, grinding stick 2 includes the stick body 21 in grinder pipe 1 and the rocker 22 outside pipe cap 3, specifically, be equipped with the threaded column 31 of screw thread connection with the pipe orifice of grinder pipe 1 on pipe cap 3, the pipe orifice of grinder pipe 1 forms the internal thread section 14 with threaded column 31 cooperation, through the screw thread cooperation convenient to disassemble and assemble pipe cap 3, in addition, in order to prevent the skidding when pipe cap 3 is screwed, form several second anti -skid lines 34 on the outside wall of pipe cap 3, in order to make the stick body 21 more smooth on pipe cap 3 rotation, still form the rotation cavity 32 on pipe cap 3, form the rotation block 212 with rotation cavity 32 cooperation on stick body 21, rotation cavity 32 still is equipped with ball bearing 33, can reduce the friction between rotation block 212 and rotation cavity 32 with ball bearing 33, to make the rotation of stick body 21 become more smooth and smooth, the inner wall of grinder pipe 1 forms the first grinding part 11 annularly arranged along the axis of grinder pipe 1, form the second grinding part 211 annularly arranged along the axis of stick body 21 on stick body 21, the top end and the bottom end of first grinding part 11 are respectively aligned with the top end and the bottom end of second grinding part 211, the inner diameter of first grinding part 11 gradually increases and then gradually decreases from top to bottom, the outer diameter of second grinding part 211 gradually increases and then gradually decreases from top to bottom, form the feed inlet 12 on the lateral wall of grinder pipe 1, the feed inlet 12 is higher than the upper side of first grinding part 11, still movably be equipped with the sealing plate 4 of the feed inlet 12 on grinder pipe 1 and seal. In the grinding, the plant sample to be detected is put into the feed inlet 12, and then the feed inlet 12 is sealed and shielded by the sealing plate 4, then the grinding stick 2 is rotated by hand by the rocker 22, and the plant sample is gradually ground and crushed under the action of the first grinding part 11 and the second grinding part 211, and falls into the bottom of the grinding tube.
[0027] In order to control the sealing plate 4 more conveniently, a sealing gasket 42 is formed on the inner wall of the sealing plate 4 to enclose the feed inlet 12; an annular groove 13 is formed on the grinding tube 1 to install the sealing plate 4, the sealing plate 4 is arc-shaped and is attached to the wall of the grinding tube 1, and a fixing ring 41 is arranged on the sealing plate 4 to enclose the annular groove 13; a first return spring 5 is arranged between the bottom of the fixing ring 41 and the annular groove 13. When the plant sample is put into the grinding tube 1, the specific operation method is as follows: one hand holds the tube body of the grinding tube 1, the index finger and the thumb of the hand are buckled on the fixing ring 41 and then are pulled downward to open the feed inlet 12 by the sealing plate 4, at this time the other hand can hold the plant sample by tweezers and put it into the feed inlet 12, then the index finger and the thumb are released, and the sealing plate 4 is reset to block the feed inlet 12 again under the action of the first return spring 5.
[0028] In order to avoid the first reset spring 5 exposed to the outside, in the operation, the hand is mistakenly clamped or clamped other sundries, a plurality of fixed sleeves 131 are formed on the annular groove 13, the bottom of the fixed ring 41 is formed with the sliding sleeve 411 which is in sliding fit with the fixed sleeve 131, and the first reset spring 5 is arranged in the fixed sleeve 131 and the sliding sleeve 411. By using the sliding sleeve 411 and the fixed sleeve 131, the first reset spring 5 is hidden, the service life is increased, and the whole grinder is more beautiful.
[0029] In order to prevent slipping when pulling down the fixed ring 41, a plurality of first anti-skid lines 412 are formed on the outer wall of the fixed ring 41, a limiting sliding groove 413 is formed on the inner wall of the fixed ring 41, and a limiting sliding rail 132 is formed on the annular groove 13. By using the cooperation of the limiting sliding rail 132 and the limiting sliding groove 413, the sealing plate 4 can move up and down more stably.
[0030] In addition, in order to increase the efficiency of grinding and improve the effect of grinding, the movable sleeve 6 is sleeved on the rod body 21, the second grinding part 211 is arranged on the movable sleeve 6, a plurality of limiting guide strips 213 extending along the axis direction of the rod body 21 are formed on the rod body 21, a limiting guide groove 61 in sliding fit with the limiting guide strips 213 is formed in the movable sleeve 6, a rotating head 62 in sliding contact with the inner bottom wall of the grinding pipe 1 is formed on the bottom of the movable sleeve 6, a plurality of driving top blocks 15 are formed on the inner bottom wall of the grinding pipe 1, a groove 621 in cooperation with the driving top blocks 15 is formed on the rotating head 62, the top of the driving top block 15 is semispherical, and the driving top block 15 can move more smoothly; and the second reset spring 7 is fixedly arranged in the movable sleeve 6. The second grinding part 211 is arranged on the movable sleeve 6, the driving top blocks 15 pass through the grooves 621 in rotation, and the movable sleeve 6 moves up and down under the action of the second reset spring 7, so that the second grinding part 211 moves up and down with the movable sleeve 6, the grinding in the axial direction between the first grinding part 11 and the second grinding part 211 is increased, and the grinding effect is better.
[0031] Specifically, when the first grinding part 11 and the second grinding part 211 grind in the axial direction, the plant sample is directly slipped to the bottom of the grinding pipe 1 when the first grinding part 11 and the second grinding part 211 are misaligned up and down, a first gentle section 111 is formed in the middle of the first grinding part 11, a second gentle section 2111 is formed in the middle of the second grinding part 211, the length of the first gentle section 111 is equal to that of the second gentle section 2111, and the length of the first gentle section 111 is greater than the up and down sliding distance of the movable sleeve 6. Specifically, the length of the first gentle section 111 is at least 1.5 times the up and down sliding distance of the movable sleeve 6. In this way, during grinding, the plant sample which has not been ground and crushed can be prevented from falling into the bottom of the grinding pipe 1 to cause detection error.
[0032] The use method of the utility model is as follows: when grinding, first hold the tube body of the grinding tube 1 with one hand, use the index finger and the thumb of the hand to buckle on the fixing ring 41 and then pull down to make the sealing plate 4 open the feeding port 12, at this time the other hand clamps the plant sample through the tweezers and puts into the feeding port 12, then releases the fixing ring 41 to make the sealing plate 4 reset, then rotates the grinding rod 2 through the rocker 22 to make the first grinding part 11 and the second grinding part 211 simultaneously relatively move in the circumferential direction and the axial direction. The plant sample is gradually ground and crushed under the action of the first grinding part 11 and the second grinding part 211 and falls into the tube bottom of the grinding tube 1, when the sample needs to be taken out, just rotate the cap 3 to open, then the sample can be taken out from the tube opening of the grinding tube 1.
[0033] The plant tissue grinder provided by the utility model is introduced in detail above. The description of the specific embodiment is only used for helping to understand the method and the core idea of the utility model. It should be pointed out that for the ordinary skilled in the art, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claim.
Claims
1. A plant tissue grinder comprising a grinding tube (1) and a grinding rod (2), characterized in that: The grinding pipe (1) is provided with a pipe cap (3), and the grinding rod (2) is rotationally connected to the pipe cap (3); the grinding rod (2) comprises a rod body (21) in the grinding pipe (1) and a rocker (22) outside the pipe cap (3); the inner wall of the grinding pipe (1) is formed with a first grinding part (11) arranged annularly along the axis of the grinding pipe (1), the rod body (21) is formed with a second grinding part (211) arranged annularly along the axis of the rod body (21), the top end and the bottom end of the first grinding part (11) are respectively aligned with the top end and the bottom end of the second grinding part (211), the inner diameter of the first grinding part (11) gradually increases and then gradually decreases from top to bottom, and the outer diameter of the second grinding part (211) gradually increases and then gradually decreases from top to bottom; the side wall of the grinding pipe (1) is formed with a feeding port (12) which is higher than the position above the first grinding part (11), and the grinding pipe (1) is further movably provided with a sealing plate (4) for sealing the feeding port.
2. A plant tissue grinder according to claim 1, wherein: The inner wall of the sealing plate (4) is formed with a sealing gasket (42) for looping the feeding port (12); the grinding pipe (1) is formed with an annular groove (13) for mounting the sealing plate (4), the sealing plate (4) is arc-shaped and is fitted with the pipe wall of the grinding pipe (1), and the sealing plate (4) is further provided with a fixing ring (41) sleeved in the annular groove (13), and a first reset spring (5) is arranged between the bottom of the fixing ring (41) and the annular groove (13).
3. A plant tissue grinder according to claim 2, wherein: A plurality of fixing sleeves (131) are formed on the annular groove (13), the bottom of the fixing ring (41) is formed with a sliding sleeve (411) which is in sliding fit with the fixing sleeve (131), and the first reset spring (5) is arranged in the fixing sleeve (131) and the sliding sleeve (411).
4. A plant tissue grinder according to claim 3, wherein: A plurality of first anti-skid patterns (412) are formed on the outer side wall of the fixing ring (41), a limiting sliding groove (413) is formed on the inner wall of the fixing ring (41), and a limiting sliding rail (132) which is in fit with the limiting sliding groove (413) is formed on the annular groove (13).
5. A plant tissue grinder according to claim 4, wherein: The pipe cap (3) is provided with a threaded column (31) which is threadedly connected with the pipe opening of the grinding pipe (1), and the pipe opening of the grinding pipe (1) is formed with an inner threaded section (14) which is in fit with the threaded column (31); the pipe cap (3) is further formed with a rotating cavity (32), the rod body (21) is formed with a rotating block (212) which is in fit with the rotating cavity (32), and the rotating cavity (32) is further provided with a ball (33); a plurality of second anti-skid patterns (34) are further formed on the side wall of the pipe cap (3).
6. A plant tissue grinder according to any one of claims 1 to 5, wherein: The movable sleeve (6) is slidably arranged on the rod body (21), the second grinding part (211) is arranged on the movable sleeve (6), a plurality of limiting guide strips (213) extending along the axis direction of the rod body (21) are formed on the rod body (21), a limiting guide groove (61) slidably matched with the limiting guide strips (213) is formed in the movable sleeve (6), a rotating head (62) slidably contacted with the inner bottom wall of the grinding pipe (1) is formed at the bottom of the movable sleeve (6), a plurality of driving top blocks (15) are formed on the inner bottom wall of the grinding pipe (1), and a groove (621) matched with the driving top blocks (15) is formed on the rotating head (62); a second reset spring (7) is further fixedly arranged in the movable sleeve (6).
7. A plant tissue grinder according to claim 6, wherein: The middle part of the first grinding part (11) is formed with a first flat section (111), the middle part of the second grinding part (211) is formed with a second flat section (2111), the length of the first flat section (111) is equal to the length of the second flat section (2111), and the length of the first flat section (111) is greater than the sliding distance of the movable sleeve (6) up and down.