Handheld tissue homogenizer

Abstract

The utility model discloses a handheld tissue homogenizer which comprises a homogenizer shell, a cavity is formed in the middle of the homogenizer shell, the cavity is divided into a battery bin, an elastic contact is installed at the bottom of the battery bin, a rechargeable battery is installed in the battery bin, the inner wall of the cavity is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the inner wall of the cavity. The upper end of the supporting plate is fixedly connected with a motor, and the lower end of the supporting plate is rotationally connected with a driven gear and a driving gear. A transmission shaft is fixedly connected to the middle of the driven gear, a connector is fixedly connected to the lower end of the transmission shaft, a homogenizer is installed in the middle of the lower end of the connector, and a fixing mechanism is arranged at the lower end of the connector. The homogenizer can be provided with a power supply and is convenient to carry and use, and meanwhile, a test tube in which tissues are stored can be connected and fixed with the homogenizer, so that the homogenizer can be directly held by hand for use and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of biotechnology, in particular to a handheld tissue homogenizer. Background Art

[0002] Tissue homogenizer is mainly used for homogenization of sample processing. It is widely used in biopharmaceuticals, genetic research, tissue fragmentation, cell pulping, pathological analysis, oil-water emulsification, nanomaterial dispersion, dairy homogenization, polymerization reaction, daily cosmetics, ink coating, fine chemicals and other fields. The original state of microbial samples may be block, paste, powder, etc., and they must be made into fine liquid samples to facilitate the analysis and inoculation of microorganisms.

[0003] However, desktop tissue homogenizers are commonly used in the market. First, the homogenizer needs to be connected to an external power supply before use, which makes it inconvenient to use. Secondly, it is inconvenient to operate when grinding trace samples and grinding a small amount of reagents. First, the grinding is not sufficient, and second, it is easy to cause reagent loss, which leads to errors. The grinder is small in size and handheld design, which can save experimental time and improve work efficiency. Utility Model Content

[0004] The utility model aims to provide a handheld tissue homogenizer, which can be equipped with a power supply and can replace the power supply, so that the homogenizer is convenient to carry and use.

[0005] To achieve the above-mentioned purpose, a handheld tissue homogenizer is provided, comprising: a homogenizer housing, a chamber is provided in the middle of the homogenizer housing, the chamber is separated by a battery compartment, and the battery compartment is located at the top of the chamber, an elastic contact is installed at the bottom of the battery compartment, a rechargeable battery is installed in the battery compartment, and a corresponding contact is provided at the contact position between the rechargeable battery and the elastic contact, a support plate is fixedly connected to the inner wall of the chamber, and the support plate is located below the battery compartment, a motor is fixedly connected to the upper end of the support plate, and the output end of the motor penetrates the support plate downward, the motor is electrically connected to the contact, and the lower end of the support plate is rotatably connected to a driven gear and a driving gear respectively, and the driven gear is located in the middle of the chamber, the driven gear is meshed with the driving gear, and the output end of the motor penetrates the middle of the driving gear and is fixedly connected to the driving gear; The middle part of the driven gear is fixedly connected with a transmission shaft, and the lower end of the transmission shaft penetrates downwardly through the homogenizer housing and is rotatably connected with the homogenizer housing, the lower end of the transmission shaft is fixedly connected with a connector, and the connector is rotatably connected with the bottom of the homogenizer housing, a homogenizer is installed in the middle part of the lower end of the connector, and the upper end of the homogenizer extends into the connector, a fixing mechanism is arranged at the lower end of the connector, and the homogenizer penetrates the middle part of the fixing mechanism and is slidably connected with the fixing mechanism, the upper end of the fixing mechanism penetrates upwardly through the homogenizer housing and is slidably connected with the homogenizer housing, and the upper end of the fixing mechanism extends into the chamber, a first slide groove is provided in the middle part of the outer end of the homogenizer housing, and the first slide groove is connected with the chamber, a fastening bolt is slidably connected in the middle part of the outer end of the homogenizer housing, and the fastening bolt penetrates the fixing mechanism and is threadedly connected with the fixing mechanism. The homogenizer can be equipped with its own power supply, and the power supply can be replaced, so that the homogenizer is convenient to carry and use.

[0006] According to the handheld tissue homogenizer, a locking bolt is threadedly connected to the middle of the outer end of the battery compartment, and one end of the locking bolt passes through the battery compartment and extends into the rechargeable battery, so as to fix the rechargeable battery and prevent the rechargeable battery from loosening during use, thereby affecting the use of the homogenizer.

[0007] According to the described handheld tissue homogenizer, the fixing mechanism includes a connecting rod, a handle, a clamping plate, a guide rod, a mounting plate and a bidirectional screw, the homogenizer passes through the middle of the mounting plate and is slidably connected to the mounting plate, the connecting rod is a T-shaped structure, and the connecting rod is fixedly connected to the upper end of the mounting plate and is respectively located at both ends of the mounting plate, two second sliding grooves are symmetrically opened in the mounting plate, and the second sliding grooves are respectively located between the connecting rods, two first sliding blocks are respectively slidably connected in the two second sliding grooves, and the upper ends of the first sliding blocks extend above the mounting plate, the clamping plate is located at the lower end of the mounting plate and is slidably connected to the mounting plate, and the upper ends of the clamping plate are respectively fixedly connected to the two first sliding blocks in the second sliding grooves, the two second sliding grooves are respectively located at both ends of the clamping plate, and the clamping surfaces of the clamping plate face each other, the guide rod The rod and the bidirectional lead screw are located between the connecting rod, and the two ends of the guide rod are fixedly connected to the connecting rod, the two ends of the bidirectional lead screw respectively penetrate the connecting rod and are rotatably connected to the connecting rod, the guide rod and the bidirectional lead screw are respectively located directly above the two second slides, the guide rod and the bidirectional lead screw respectively penetrate the first slider, and the two first sliders in the second slide are respectively located in the two thread directions of the bidirectional lead screw, the handle is located at one end of the connecting rod and is rotatably connected to the connecting rod, one end of the bidirectional lead screw is fixedly connected to the middle of the handle, the connecting rod penetrates the homogenizer housing upward and is slidably connected to the homogenizer housing, and the connecting rod extends into the chamber, the second slider is fixedly connected to the upper end of the connecting rod, and the second slider is away from the second slide, the second slider is located in the first slide and is slidably connected to the side wall of the first slide. The test tube storing the tissue can be connected and fixed to the homogenizer so that the homogenizer can be directly handheld for easy operation, while the test tube opening is blocked to reduce damage to the reagent.

[0008] According to the handheld tissue homogenizer, one end of the fastening bolt passes through the middle of the second slider and is threadedly connected to the second slider, so as to fix the fixing mechanism to prevent the fixing mechanism from driving the test tube to move during use, thereby affecting the grinding effect.

[0009] According to the handheld tissue homogenizer, the clamping surface of the clamping plate is fixedly connected with a rubber pad, thereby increasing the friction force on the surface of the test tube and reducing the damage to the test tube when the test tube is fixed.

[0010] According to the handheld tissue homogenizer, an L-shaped sealing plate is fixedly connected in the chamber, and the upper end of the sealing plate is fixedly connected to the support plate, the sealing plate separates the chamber into a closed space, and the connecting rod is located between the sealing plate and the side wall of the chamber, and the connecting rod passes through the sealing plate and is slidably connected to the sealing plate, so as to prevent foreign impurities from entering the chamber through the first slide groove and affecting the normal operation of the equipment in the chamber.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. By installing the rechargeable battery in the battery compartment, the contact points on the surface of the rechargeable battery and the elastic contacts at the bottom of the battery compartment are used to provide power for the homogenizer, which makes it convenient to carry the homogenizer and replace the rechargeable battery.

[0013] 2. Use the handle of the fixing mechanism to rotate the bidirectional lead screw to move the clamping plates in opposite directions, clamp and fix test tubes of different calibers, so that the homogenizer can be directly handheld for use, thereby improving work efficiency. The second slider is driven to slide in the first slide groove by the connecting rod, and the second slider is fixed by the friction between the fastening bolt and the homogenizer housing, so as to facilitate the adjustment of the depth of the homogenizer extending into the test tube and facilitate the grinding of a small amount of reagent.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of a handheld tissue homogenizer of the utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of a handheld tissue homogenizer of the utility model without a rechargeable battery, a fixing mechanism, a fastening bolt and a locking bolt;

[0018] Figure 3 It is a three-dimensional structural diagram of a fixing mechanism of a handheld tissue homogenizer of the utility model;

[0019] Figure 4 for Figure 2 Enlarged structural diagram of point A in the middle.

[0020] Legend:

[0021] 1. Rechargeable battery; 2. Homogenizer housing; 3. Fixing mechanism; 4. Homogenizer; 5. First slide groove; 6. Fastening bolt; 7. Locking bolt; 8. Battery compartment; 9. Motor; 10. Chamber; 11. Sealing plate; 12. Connector; 13. Transmission shaft; 14. Elastic contact; 15. Connecting rod; 16. Handle; 17. First slide block; 18. Clamping plate; 19. Second slide groove; 20. Guide rod; 21. Mounting plate; 22. Bidirectional lead screw; 23. Second slide block; 24. Driven gear; 25. Driving gear; 26. Support plate. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a handheld tissue homogenizer, which includes: a homogenizer housing 2, a chamber 10 is opened in the middle of the homogenizer housing 2, the chamber 10 is separated by a battery compartment 8, and the battery compartment 8 is located at the top of the chamber 10, and an elastic contact 14 is installed at the bottom of the battery compartment 8, a rechargeable battery 1 is installed in the battery compartment 8, and the contact portion between the rechargeable battery 1 and the elastic contact 14 is provided with a corresponding contact, the inner wall of the chamber 10 is fixedly connected with a support plate 26, and the support plate 26 is located below the battery compartment 8, the upper end of the support plate 26 is fixedly connected with a motor 9, and the output end of the motor 9 downwardly penetrates the support plate 26, the motor 9 is electrically connected to the contact, the lower end of the support plate 26 is rotatably connected with a driven gear 24 and a driving gear 25, and the driven gear 24 is located in the middle of the chamber 10, the driven gear 24 is meshed with the driving gear 25, and the output end of the motor 9 penetrates the middle of the driving gear 25 and is fixedly connected to the driving gear 25; A transmission shaft 13 is fixedly connected to the middle part of the driven gear 24, and the lower end of the transmission shaft 13 downwardly penetrates the homogenizer housing 2 and is rotatably connected to the homogenizer housing 2, a connector 12 is fixedly connected to the lower end of the transmission shaft 13, and the connector 12 is rotatably connected to the bottom of the homogenizer housing 2, a homogenizer 4 is installed in the middle part of the lower end of the connector 12, and the upper end of the homogenizer 4 extends into the connector 12, a fixing mechanism 3 is provided at the lower end of the connector 12, and the homogenizer 4 penetrates the middle part of the fixing mechanism 3 and is slidably connected to the fixing mechanism 3, the upper end of the fixing mechanism 3 upwardly penetrates the homogenizer housing 2 and is slidably connected to the homogenizer housing 2, and the upper end of the fixing mechanism 3 extends into the chamber 10, a first slide groove 5 is opened in the middle part of the outer end of the homogenizer housing 2, and the first slide groove 5 is communicated with the chamber 10, a fastening bolt 6 is slidably connected to the middle part of the outer end of the homogenizer housing 2, and the fastening bolt 6 penetrates the fixing mechanism 3 and is threadedly connected to the fixing mechanism 3.

[0024] A locking bolt 7 is threadedly connected to the middle portion of the outer end of the battery compartment 8 , and one end of the locking bolt 7 passes through the battery compartment 8 and extends into the rechargeable battery 1 .

[0025] The fixing mechanism 3 includes a connecting rod 15, a handle 16, a clamping plate 18, a guide rod 20, a mounting plate 21 and a bidirectional lead screw 22. The homogenizer 4 passes through the middle of the mounting plate 21 and is slidably connected to the mounting plate 21. The connecting rod 15 is a T-shaped structure, and the connecting rod 15 is fixedly connected to the upper end of the mounting plate 21 and is respectively located at both ends of the mounting plate 21. Two second slide grooves 19 are symmetrically provided in the mounting plate 21, and the second slide grooves 19 are respectively located between the connecting rod 15. Two first sliders 17 are respectively slidably connected in the two second slide grooves 19, and the upper ends of the first sliders 17 extend above the mounting plate 21. The clamping plate 18 is located at the lower end of the mounting plate 21 and is slidably connected to the mounting plate 21, and the upper ends of the clamping plate 18 are respectively fixedly connected to the two first sliders 17 in the second slide grooves 19. The two second slide grooves 19 are respectively located at both ends of the clamping plate 18, and the clamping surfaces of the clamping plate 18 face each other. The guide rod 20 and the bidirectional lead screw 22 It is located between the connecting rods 15, and both ends of the guide rod 20 are fixedly connected to the connecting rod 15, both ends of the bidirectional lead screw 22 respectively penetrate the connecting rod 15 and are rotatably connected to the connecting rod 15, the guide rod 20 and the bidirectional lead screw 22 are respectively located directly above the two second slide grooves 19, the guide rod 20 and the bidirectional lead screw 22 respectively penetrate the first slider 17, and the two first sliders 17 in the second slide groove 19 are respectively located in the two thread directions of the bidirectional lead screw 22, the handle 16 is located at one end of the connecting rod 15 and is rotatably connected to the connecting rod 15, one end of the bidirectional lead screw 22 is fixedly connected to the middle part of the handle 16, the connecting rod 15 penetrates the homogenizer housing 2 upward and is slidably connected to the homogenizer housing 2, and the connecting rod 15 extends into the chamber 10, the second slider 23 is fixedly connected to the upper end of the connecting rod 15, and the second slider 23 is away from the second slide groove 19, the second slider 23 is located in the first slide groove 5 and is slidably connected to the side wall of the first slide groove 5.

[0026] One end of the fastening bolt 6 passes through the middle of the second sliding block 23 and is threadedly connected to the second sliding block 23 .

[0027] A rubber pad is fixedly connected to the clamping surface of the clamping plate 18 .

[0028] An L-shaped sealing plate 11 is fixedly connected in the chamber 10, and the upper end of the sealing plate 11 is fixedly connected to the support plate 26. The sealing plate 11 separates the chamber 10 into an enclosed space, and the connecting rod 15 is located between the sealing plate 11 and the side wall of the chamber 10. The connecting rod 15 passes through the sealing plate 11 and is slidably connected to the sealing plate 11.

[0029] Working principle: When in use, unscrew the locking bolt 7 and pull out the rechargeable battery 1, replace the rechargeable battery 1 with a fully charged one, and screw on the locking bolt 7 to fix it, extend the homogenizer 4 into the test tube, unscrew the fastening bolt 6, pull the fixing mechanism 3 downward, so that the mounting plate 21 is located at the upper end of the opening of the test tube, and rotate the bidirectional screw 22 through the handle 16 to make the clamping plates 18 approach each other to clamp the test tube, and then screw the fastening bolt 6 into the second slider 23 so that the fastening bolt 6 is tightly fitted to the homogenizer housing 2, and the homogenizer can be started to grind the reagent in the test tube.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A handheld tissue homogenizer, characterized in that: include: A homogenizer housing (2), wherein a chamber (10) is provided in the middle of the homogenizer housing (2), wherein the chamber (10) is separated by a battery compartment (8), and the battery compartment (8) is located at the top of the chamber (10), and an elastic contact (14) is installed at the bottom of the battery compartment (8), a rechargeable battery (1) is installed in the battery compartment (8), and corresponding contacts are provided at the contact portion between the rechargeable battery (1) and the elastic contact (14), and a support plate (26) is fixedly connected to the inner wall of the chamber (10), and the support plate (26) is located at the battery compartment. (8), the upper end of the support plate (26) is fixedly connected to a motor (9), and the output end of the motor (9) passes through the support plate (26) downward, the motor (9) is electrically connected to the contact, the lower end of the support plate (26) is rotatably connected to a driven gear (24) and a driving gear (25), and the driven gear (24) is located in the middle of the chamber (10), the driven gear (24) is meshed with the driving gear (25), and the output end of the motor (9) passes through the middle of the driving gear (25) and is fixedly connected to the driving gear (25); A transmission shaft (13) is fixedly connected to the middle of the driven gear (24), and the lower end of the transmission shaft (13) passes downward through the homogenizer housing (2) and is rotatably connected to the homogenizer housing (2). A connector (12) is fixedly connected to the lower end of the transmission shaft (13), and the connector (12) is rotatably connected to the bottom of the homogenizer housing (2). A homogenizer (4) is installed in the middle of the lower end of the connector (12), and the upper end of the homogenizer (4) extends into the connector (12). A fixing mechanism (3) is provided at the lower end of the connector (12), and the homogenizer (4) passes through the connector (12). The fixing mechanism (3) passes through the middle of the fixing mechanism (3) and is slidably connected to the fixing mechanism (3); the upper end of the fixing mechanism (3) passes through the homogenizer housing (2) upward and is slidably connected to the homogenizer housing (2); the upper end of the fixing mechanism (3) extends into the chamber (10); a first slide groove (5) is provided in the middle of the outer end of the homogenizer housing (2); the first slide groove (5) is communicated with the chamber (10); a fastening bolt (6) is slidably connected to the middle of the outer end of the homogenizer housing (2); the fastening bolt (6) passes through the fixing mechanism (3) and is threadedly connected to the fixing mechanism (3).

2. A handheld tissue homogenizer according to claim 1, characterized in that: A locking bolt (7) is threadedly connected to the middle portion of the outer end of the battery compartment (8), and one end of the locking bolt (7) passes through the battery compartment (8) and extends into the rechargeable battery (1).

3. A handheld tissue homogenizer according to claim 1, characterized in that: The fixing mechanism (3) comprises a connecting rod (15), a handle (16), a clamping plate (18), a guide rod (20), a mounting plate (21) and a bidirectional lead screw (22); the homogenizer (4) passes through the middle of the mounting plate (21) and is slidably connected to the mounting plate (21); the connecting rod (15) is a T-shaped structure, and the connecting rod (15) is fixedly connected to the upper end of the mounting plate (21) and is respectively located at both ends of the mounting plate (21); two second slide grooves (19) are symmetrically opened in the mounting plate (21), and the second slide grooves (19) are respectively located at the connecting rod (15) ), two first sliders (17) are slidably connected in the two second slide grooves (19), and the upper ends of the first sliders (17) extend above the mounting plate (21); the clamping plate (18) is located at the lower end of the mounting plate (21) and is slidably connected to the mounting plate (21); the upper ends of the clamping plate (18) are fixedly connected to the two first sliders (17) in the second slide grooves (19), the two second slide grooves (19) are located at the two ends of the clamping plate (18), and the clamping surfaces of the clamping plate (18) face each other; the guide rod (20) is connected to the bidirectional lead screw (21) 2) is located between the connecting rods (15), and both ends of the guide rod (20) are fixedly connected to the connecting rods (15), both ends of the bidirectional lead screw (22) respectively penetrate the connecting rods (15) and are rotatably connected to the connecting rods (15), the guide rod (20) and the bidirectional lead screw (22) are respectively located directly above the two second slide grooves (19), the guide rod (20) and the bidirectional lead screw (22) respectively penetrate the first slider (17), and the two first sliders (17) in the second slide groove (19) are respectively located in the two thread directions of the bidirectional lead screw (22), and the handle (1 6) is located at one end of the connecting rod (15) and is rotatably connected to the connecting rod (15), one end of the bidirectional lead screw (22) is fixedly connected to the middle of the handle (16), the connecting rod (15) passes through the homogenizer housing (2) upward and is slidably connected to the homogenizer housing (2), and the connecting rod (15) extends into the chamber (10), the second slider (23) is fixedly connected to the upper end of the connecting rod (15), and the second slider (23) is away from the second slide groove (19), and the second slider (23) is located in the first slide groove (5) and is slidably connected to the side wall of the first slide groove (5).

4. A handheld tissue homogenizer according to claim 3, characterized in that: One end of the fastening bolt (6) passes through the middle of the second slider (23) and is threadedly connected to the second slider (23).

5. A handheld tissue homogenizer according to claim 3, characterized in that: A rubber pad is fixedly connected to the clamping surface of the clamping plate (18).

6. A handheld tissue homogenizer according to claim 1, characterized in that: An L-shaped sealing plate (11) is fixedly connected to the chamber (10), and the upper end of the sealing plate (11) is fixedly connected to the support plate (26); the sealing plate (11) separates the chamber (10) into a closed space, and the connecting rod (15) is located between the sealing plate (11) and the side wall of the chamber (10); the connecting rod (15) passes through the sealing plate (11) and is slidably connected to the sealing plate (11).

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