Pipetting sample injector for meat detection experiment
By designing a pipette with supporting and mounting components, the problems of arm fatigue and unstable hand grip in meat testing experiments were solved. Stable support for the arm and hand was achieved, improving the stability and efficiency of the pipette and ensuring a clean experimental environment.
Patent Information
- Application Number
- CN202422900037.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In meat testing experiments, prolonged use of pipettes by staff can lead to arm fatigue and unsteady hand movements, which can cause reagent addition errors, affecting work efficiency and the experimental environment.
A pipette comprising a support component and a mounting component was designed. The support component supports the arm through a guide rail and slider structure, while the mounting component adjusts the height and position of the sample tube through a lead screw system driven by a servo motor, ensuring hand stability and the fixation of the sample tube.
It reduces fatigue in the arms and hands, improves the stability of the sample tube, prevents reagent addition deviation, improves work efficiency, and keeps the experimental environment clean.
Smart Images

Figure CN223517564U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection equipment technical field, concretely is a meat detection experiment with pipette sample adding device. BACKGROUND
[0002] Meat detection refers to the process of quality and safety detection of meat and its products, aiming to ensure that meat and its products meet the safety standards and quality requirements of the country or region, and the content of meat detection includes multiple aspects, such as professional instrument detection, chemical detection, physical detection and sensory detection.
[0003] When meat detection experiment is carried out, pipette sample adding device is needed, when pipette sample adding device is used to add detection reagent to detection sample, generally, staff manually adds reagent one by one or in groups, in long time work, arms and hands cannot be supported, not only easy to feel tired, but also when hand shaking or holding pipette sample adding device unstable, reagent addition may be deviated and added to the outside of container, not only affect work efficiency, but also affect experiment environment. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a meat detection experiment with pipette sample adding device, to solve the problem that arms and hands are easy to be tired and reagent is added to the outside of container when staff works for a long time.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a meat detection experiment with pipette sample adding device, including operation platform, still including:
[0006] The guide rail one is arranged on one side above the operation platform, the adjacent side of the guide rail one is located above the center of the operation platform The placement groove is located on the opposite side of the guide rail one above the operation platform The guide rail two is arranged on the opposite side of the guide rail one above the operation platform.
[0007] The support assembly is arranged in the guide rail one and can slide, the support assembly includes the sliding block one embedded in the guide rail one, the sliding block one top end fixedly connected with the guide plate, the guide plate inside embeddedly connected with the sliding block two, the sliding block two above center fixedly connected with the rotating support, the rotating support top end with the arm support fixedly connected, the arm support inside lower portion is equipped with the supporting pad.
[0008] The slider three is provided inside the guide rail two, a support rod is fixedly connected to the upper center of the slider three, a lead screw one is connected to the inside of the support rod, a lifting rod is connected to the outside of the lead screw one through screw threads, an installation assembly is fixedly connected to the lower side of the lifting rod, the installation assembly comprises a support sleeve fixed to the lower side of the lifting rod, a tension spring is connected to the inside of the support sleeve, the bottom of the tension spring is fixedly connected with a sliding plate, a pull rod is fixedly connected to the bottom of the sliding plate, a rectangular seat is fixedly connected to the bottom of the pull rod, a slide rod is connected to the inside of the rectangular seat, a limit plate is fixedly connected to one end of the slide rod, a fixed clamping seat is fixedly connected to the other end of the slide rod, a hand handle is fixedly connected to one end of the fixed clamping seat, a movable clamping seat is arranged on the opposite side of the fixed clamping seat, a fastening screw is connected to the inside of the movable clamping seat through screw threads, a guide rod is arranged below the fastening screw, and a sample adding cylinder is arranged in the inside of the fixed clamping seat and the movable clamping seat.
[0009] Preferably, the slider one, the slider two and the slider three are provided with rollers on the upper and lower sides of the slide rod, and the slider one, the slider two and the slider three are provided with rectangular guide strips at two ends.
[0010] Preferably, the slider three is fixedly connected with a threaded block, the operation table is provided with a sliding groove in the upper side and the bottom of the guide rail two, the threaded block is connected with a lead screw two, one end of the lead screw two extends to the outside of the operation table and is connected with the output end of a servo motor, the operation table is provided with a wire, the wire is connected with a control handle, and the output end of the control handle is electrically connected with the input end of the servo motor through the wire.
[0011] Preferably, the support rod is provided with a sliding groove in the inside for accommodating the lifting rod, and the lifting rod is in sliding connection with the support rod.
[0012] Preferably, the support sleeve is provided with a plurality of guide wheels on the outside, one end of the guide wheel is in contact with the inner wall of the support sleeve, and the sliding plate and the pull rod are in sliding connection with the support sleeve.
[0013] Preferably, the fixed clamping seat and the movable clamping seat are provided with clamping grooves in the inside, the clamping grooves are in arc shape, and the clamping grooves are provided with rubber protection layers in the inside.
[0014] Preferably, one end of the guide rod is fixedly connected with the movable clamping seat, the fixed clamping seat is provided with a groove in the inside for accommodating the guide rod, and one end of the guide rod is embedded in the inside of the fixed clamping seat.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] This invention incorporates a support component that supports the operator's arm, reducing the time spent with the arm suspended in the air. This makes moving the sample dispensing cylinder with the arm and hand less strenuous, thus reducing operator fatigue. Furthermore, the mounting component not only supports the operator's hand and maintains stability but also clamps and supports the sample dispensing cylinder, further reducing hand fatigue during prolonged work and improving the stability of reagent addition. This prevents reagent from being added to the outside of the container due to operator fatigue, improving work efficiency and maintaining a clean experimental environment. Attached Figure Description
[0017] Figure 1 A schematic diagram of a preferred embodiment of the pipette used for meat testing provided by this utility model;
[0018] Figure 2 This is a schematic diagram of the connection structure between the slider 2 and the rotating support provided by this utility model;
[0019] Figure 3 Exploded view of the installation components provided by this utility model;
[0020] Figure 4 This is a schematic diagram of the connection structure between the threaded block and the lead screw provided by this utility model;
[0021] Figure 5 Provided by this utility model Figure 3 A magnified structural diagram of point A shown.
[0022] In the diagram: 1. Control panel; 2. Guide rail one; 3. Placement slot; 4. Guide rail two; 5. Support assembly; 51. Slider one; 52. Guide plate; 53. Slider two; 54. Rotating support; 55. Arm support; 56. Pad; 6. Slider three; 7. Support rod; 8. Lead screw one; 9. Lifting rod; 10. Mounting assembly; 101. Support sleeve; 102. Tension spring; 103. Sliding plate; 104. Pull rod ; 105. Rectangular base; 106. Slide rod; 107. Limiting plate; 108. Fixed clamping base; 109. Hand support; 110. Movable clamping base; 111. Fastening screw; 112. Guide rod; 113. Sample feeding cylinder; 11. Roller; 12. Rectangular guide strip; 13. Threaded block; 14. Lead screw II; 15. Servo motor; 16. Wire; 17. Control handle; 18. Guide wheel; 19. Clamping groove. Detailed Implementation
[0023] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figures 1-5The utility model discloses a meat detection experiment pipette, including operation platform 1, through setting up operation platform 1, can conveniently support guide rail no.The slider three 6 is arranged in the guide rail two 4, and the support rod 7 is fixedly connected to the upper center of the slider three 6, so that the support rod 7 can be conveniently supported, the lead screw one 8 is connected to the inside of the support rod 7, so that the lifting rod 9 can be conveniently driven to move up and down, the lifting rod 9 is threadedly connected to the outside of the lead screw one 8, so that the support sleeve 101 can be conveniently driven to move up and down to adjust the height, the mounting assembly 10 is fixedly connected to the lower side of the lifting rod 9, the mounting assembly 10 comprises the support sleeve 101 fixed to the lower side of the lifting rod 9, so that the tension spring 102 and the sliding plate 103 can be conveniently accommodated, the tension spring 102 is connected to the inside of the support sleeve 101, so that the sliding plate 103 and the pull rod 104 can be conveniently driven to move upward and reset, the bottom of the tension spring 102 is fixedly connected with the sliding plate 103, so that the position of the top of the pull rod 104 can be conveniently limited, the sliding plate 103 is fixedly connected to the bottom of the pull rod 104, so that the rectangular seat 105 can be conveniently supported, the pull rod 104 is fixedly connected to the bottom of the rectangular seat 105, so that the rectangular seat 105 can be conveniently accommodated and supported, the slide rod 106 is connected to the inside of the rectangular seat 105, so that the fixed clamping seat 108 can be conveniently driven to move horizontally to adjust the position, the slide rod 106 is fixedly connected to the limit plate 107 at one end, so that the slide rod 106 can be conveniently prevented from falling off from the rectangular seat 105, the other end of the slide rod 106 is fixedly connected with the fixed clamping seat 108, so that the fixed clamping seat 108 can be conveniently clamped to the sample adding cylinder 113, the fixed clamping seat 108 is fixedly connected to the hand support 109 at one end, so that the hand support 109 can be conveniently used to support the hands of the workers, thereby reducing the fatigue of the hands of the workers, the moving clamping seat 110 is arranged on the opposite side of the fixed clamping seat 108, so that the moving clamping seat 110 can be conveniently clamped and fixed to the sample adding cylinder 113 in cooperation with the fixed clamping seat 108, the fastening screw 111 is threadedly connected to the inside of the moving clamping seat 110, so that the moving clamping seat 110 can be conveniently driven to move to clamp the sample adding cylinder 113 in the fixed clamping seat 108, the guide rod 112 is arranged below the fastening screw 111, so that the moving clamping seat 110 can be conveniently and stably moved to the fixed clamping seat 108, and the sample adding cylinder 113 is arranged in the inside of the fixed clamping seat 108 and the moving clamping seat 110, so that the sample adding cylinder 113 can be conveniently used to suck the detection reagent.
[0025] Reference Figure 2 、 Figure 3 and Figure 4As shown, the slider one 51, slider two 53, slider three 6 bottom and the slide rod 106 both sides are provided with the roller 11, by setting the roller 11, can facilitate the reduction of the slider one 51, slider two 53, slider three 6 and the frictional resistance when moving, the slider one 51, slider two 53, slider three 6 both ends are provided with the rectangular guide strip 12, by setting the rectangular guide strip 12, can facilitate the slider one 51, slider two 53, slider three 6 stable movement.
[0026] Reference Figure 1 And Figure 4 As shown, the slider three 6 bottom fixedly connected with the threaded block 13, the operating platform 1 top and the guide rail two 4 bottom are provided with the slide groove that accommodates the threaded block 13 sliding, by setting the threaded block 13, can facilitate the drive the screw rod two 14 inside connected with the threaded block 13, by setting the screw rod two 14, can facilitate the drive threaded block 13 moves inside operating platform 1 and guide rail two 4 and adjusts position, the screw rod two 14 one end extends to the operating platform 1 outside and is connected with servo motor 15 output end, by setting servo motor 15, can facilitate the drive screw rod two 14 rotation, the operating platform 1 one side is equipped with wire 16, by setting wire 16, can facilitate the drive will control handle 17 and servo motor 15 are connected, the wire 16 is connected with control handle 17, the control handle 17 output and servo motor 15 input are connected by wire 16 electrically, by setting control handle 17, can facilitate the control servo motor 15 operation.
[0027] Reference Figure 1 、 Figure 4 And Figure 5As shown, the support rod 7 is internally provided with a sliding groove for accommodating the lifting rod 9, the two ends of the lifting rod 9 abut against the sliding groove wall of the support rod 7, the lifting rod 9 is slidingly connected inside the support rod 7, the support sleeve 101 is two in number and symmetrically arranged on the two sides above the rectangular seat 105, a plurality of guide wheels 18 are arranged on the outer periphery of the sliding plate 103, the setting of the guide wheels 18 can facilitate reducing the friction resistance when the sliding plate 103 moves in the support sleeve 101, one end of the guide wheel 18 abuts against the inner wall of the support sleeve 101, the sliding plate 103 and the pull rod 104 are slidingly connected inside the support sleeve 101, the fixed clamping seat 108 and the moving clamping seat 110 are both internally provided with a clamping groove 19, the setting of the clamping groove 19 can facilitate clamping and fixing the sample adding cylinder 113, the clamping groove 19 is in a circular arc shape, and the clamping groove 19 is internally provided with a rubber protective layer, the setting of the rubber protective layer can facilitate increasing the friction force of the clamping groove 19 on the sample adding cylinder 113, and can also prevent hard contact between the fixed clamping seat 108, the moving clamping seat 110 and the sample adding cylinder 113, one end of the guide rod 112 is fixedly connected with the moving clamping seat 110, the fixed clamping seat 108 is internally provided with a groove for accommodating the guide rod 112, and one end of the guide rod 112 is embedded in the fixed clamping seat 108.
[0028] Working principle: the worker first places the hand on the hand support 109, places the sample adding cylinder 113 in the fixed clamping groove 19 according to the appropriate clamping height, then places the reagent plate and the detection sample tray in the placing groove 3 respectively, then rotates the screw rod two 14, the screw rod two 14 rotates to drive the lifting rod 9 to move up and down to adjust the height, so as to drive the sample adding cylinder 113 to adjust the height, then rotates the fastening screw 111, the fastening screw 111 rotates to drive the moving clamping seat 110 to move towards the fixed clamping seat 108, so as to clamp and fix the sample adding cylinder 113, then the worker places the arm on the arm support 55, places the right hand on the hand support 109, and operates the control handle 17 with the left hand, the control handle 17 controls the servo motor 15 to run, the servo motor 15 runs to drive the screw rod two 14 to rotate, the screw rod two 14 rotates to drive the threaded block 13 and the sliding block three 6 to move, at the same time, the right hand slightly moves the sliding rod 106 in the rectangular seat 105 to adjust the position of the sample adding cylinder 113, when the position of the sample adding cylinder 113 is opposite to the reagent groove above the reagent plate, the servo motor 15 is turned off, and the hand support 109 is pressed down slowly, at the same time, the thumb is pressed downwards on the operating rod at the top end of the sample adding cylinder 113, the hand support 109 is pressed downwards to drive the tension spring 102 to stretch, so as to drive the sliding plate 103, the pull rod 104, the rectangular seat 105, the fixed clamping seat 108, the moving clamping seat 110 and the sample adding cylinder 113 to move downwards, when the sampling tube of the sample adding cylinder 113 is immersed in the reagent, the operating rod is released, and the pressure of the hand on the hand support 109 is reduced, so that the tension spring 102 is contracted and reset, thereby moving the sample adding cylinder 113 upwards, then the servo motor 15 is started again, the servo motor 15 runs to drive the sample adding cylinder 113 to move towards the detection sample tray, so that the sample adding cylinder 113 is aligned with the detection groove on the detection sample tray, and the reagent in the sample adding cylinder 113 is dropped into the detection groove for detection.
[0029] It should be noted that the relative terms, such as first and second, and the like, are used herein only to distinguish one entity or action from another, and do not necessarily require or imply any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.
[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A meat detection experiment pipette, comprising an operating table (1), characterized in that, Also include: The guide rail one (2) is located above the operation table (1) on one side, the placement groove (3) is located above the center of the operation table (1) on one side, and the guide rail two (4) is arranged on the opposite side of the guide rail one (2) above the operation table (1); The supporting assembly (5) is arranged in the guide rail one (2), the supporting assembly (5) includes the slider one (51) embedded in the guide rail one (2), the slider one (51) is fixedly connected with the guide plate (52) at the top, the guide plate (52) is embeddedly connected with the slider two (53), the slider two (53) is fixedly connected with the rotating support (54) above the center, the rotating support (54) is fixedly connected with the arm support (55) at the top, and the arm support (55) is provided with the supporting pad (56) inside and below; The slider three (6) is arranged in the guide rail two (4), the slider three (6) is fixedly connected with the supporting rod (7) above the center, the supporting rod (7) is connected with the lead screw one (8) inside, the lead screw one (8) is threadedly connected with the lifting rod (9) outside, the lifting rod (9) is fixedly connected with the mounting assembly (10) below, the mounting assembly (10) includes the supporting sleeve (101) fixed to the lifting rod (9) below, the supporting sleeve (101) is connected with the tension spring (102) inside, the tension spring (102) is fixedly connected with the sliding plate (103) at the bottom, the sliding plate (103) is fixedly connected with the pull rod (104) at the bottom, the pull rod (104) is fixedly connected with the rectangular seat (105) at the bottom, the rectangular seat (105) is connected with the sliding rod (106) inside, the sliding rod (106) is fixedly connected with the limiting plate (107) at one end, the sliding rod (106) is fixedly connected with the fixed clamping seat (108) at the other end, the fixed clamping seat (108) is fixedly connected with the hand support (109) at one end, the fixed clamping seat (108) is provided with the movable clamping seat (110) on the opposite side, the movable clamping seat (110) is threadedly connected with the fastening screw (111) inside one side, the fastening screw (111) is provided with the guide rod (112) below, and the fixed clamping seat (108) and the movable clamping seat (110) are provided with the sample adding cylinder (113) inside.
2. The meat detection experiment pipette according to claim 1, characterized in that: The slider one (51), the slider two (53) and the slider three (6) are provided with the roller (11) on the upper and lower sides of the sliding rod (106), and the slider one (51), the slider two (53) and the slider three (6) are provided with the rectangular guide strip (12) at both ends.
3. The meat detection experiment pipette according to claim 1, characterized in that: The slider three (6) bottom fixedly connected with a threaded block (13), the operating platform (1) top and guide rail two (4) bottom are provided with a sliding slot containing threaded block (13) sliding, the threaded block (13) is internally connected with a lead screw two (14), the lead screw two (14) one end extends to the operating platform (1) outside and is connected with the output end of servo motor (15), the operating platform (1) one side is equipped with a wire (16), the wire (16) is connected with a control handle (17), the control handle (17) output end and servo motor (15) input end are electrically connected through wire (16).
4. The meat detection experiment pipette according to claim 1, characterized in that: The support rod (7) is internally provided with a sliding slot containing the lifting rod (9) passing through, the lifting rod (9) both ends and the sliding slot wall in the support rod (7) abut, the lifting rod (9) is slidably connected in the support rod (7).
5. The meat detection experiment pipette according to claim 1, characterized in that: The support sleeve (101) is two in number and is symmetrically arranged on the two sides above the rectangular seat (105), a plurality of guide wheels (18) are arranged on the outer periphery of the sliding plate (103), one end of the guide wheel (18) abuts against the inner wall of the support sleeve (101), and the sliding plate (103) and the pull rod (104) are slidably connected in the support sleeve (101).
6. The meat detection experiment pipette according to claim 1, characterized in that: The fixed clamping seat (108) and the movable clamping seat (110) are internally provided with clamping grooves (19), the clamping grooves (19) are all arc-shaped, and the clamping grooves (19) are internally provided with rubber protective layers.
7. The meat detection experiment pipette according to claim 1, characterized in that: One end of the guide rod (112) is fixedly connected with the movable clamping seat (110), the fixed clamping seat (108) is internally provided with a recess containing the guide rod (112) passing through, and one end of the guide rod (112) is embedded in the fixed clamping seat (108).