Clamping structure applied to pipetting equipment

Abstract

The utility model relates to the technical field of clamping, in particular to a clamping structure applied to pipetting equipment, which comprises a fixed frame, rotating pipes are rotatably arranged at the two ends of the bottom of the fixed frame, clamping rods are fixedly arranged at the bottoms of the outer circumferential surfaces of the rotating pipes, and fixed discs are fixedly arranged on the outer sides, close to the tops, of the clamping rods. A cross rod is slidably arranged in the middle of the fixed disc through a sliding rod, the middle of the cross rod is rotationally sleeved with an annular plate, a middle transverse plate is fixedly arranged on the inner side of the outer circumferential face of the annular plate, and a power frame is rotationally arranged at the end, away from the annular plate, of the middle transverse plate. The clamping rod, the clamping rod, the extension plate and other parts are arranged, and the clamping rod is driven by the clamping rod to move close to the side wall of the liquid container, so that the side wall of the liquid container is quickly clamped, the container is prevented from falling during pipetting, the stability during pipetting is improved, the clamping structure is convenient to operate, redundant steps are reduced, and the working efficiency is improved. And the structure is simple, and clamping is more stable.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of clamping, in particular to a clamping structure applied to a pipetting device. BACKGROUND

[0002] The clamping structure is a device for holding and manipulating objects, and the clamping structure applied to the pipetting device is often imitated by the movement of the human body, and in terms of the clamping structure, the movement of the fingers is imitated. When the clamping device clamps the workpiece, a certain force constraint and shape constraint should be ensured to completely release the clamped workpiece during movement, stay and loading. Liquid movement is usually operated by using the clamping structure to avoid contact with the liquid container.

[0003] The clamping structure used by the traditional pipetting device is greatly affected by the liquid container. Since the surface of the liquid container is relatively smooth, it is not easy to clamp the container, and the liquid container is easy to fall and damage. When holding the container, the high-temperature state is easy to scald the skin of the user. CONTENT OF THE INVENTION

[0004] In order to solve the problems mentioned in the background art, the application provides a clamping structure applied to a pipetting device.

[0005] The clamping structure applied to the pipetting device provided by the application adopts the following technical scheme: a fixed frame is provided, rotating pipes are arranged at both ends of the bottom of the fixed frame, clamping rods are fixedly arranged at the bottom of the outer circumferential surface of the rotating pipes, fixed discs are fixedly arranged at the outer side close to the top of the clamping rods, a horizontal rod is slidably arranged at the middle part of the fixed disc through a slide rod, a circular ring plate is rotatably sleeved at the middle part of the horizontal rod, a middle horizontal plate is fixedly arranged at the inner side of the outer circumferential surface of the circular ring plate, a power frame is rotatably arranged at one end of the middle horizontal plate away from the circular ring plate, a slide rod is fixedly arranged at the top of the power frame through a pad, the top of the slide rod is slidably inserted into the middle part of the fixed frame, a pressing plate is fixedly arranged at the top of the slide rod, a hydraulic rod is fixedly arranged at one end of the bottom of the pressing plate, and the bottom of the hydraulic rod is fixedly arranged at the left end of the upper surface of the fixed frame.

[0006] One end of the bottom of the fixed frame is rotatably arranged with a rotating pipe, the bottom of the outer side of the rotating pipe is fixedly arranged with a clamping rod, and the inner side of the bottom of the clamping rod is fixedly arranged with a clamping rod.

[0007] The bottom of the clamping rod is rotatably sleeved with a rotating sleeve pipe, the bottom of the outer side of the rotating sleeve pipe is fixedly arranged with an arc-shaped connecting rod, and the bottom of the arc-shaped connecting rod is fixedly arranged with an extension plate.

[0008] Optionally, the two ends of the horizontal rod are provided with power grooves, the width of the power grooves is greater than the diameter of the rotating rod in the middle part of the fixed disc, and the length of the power grooves at the two ends of the horizontal rod is greater than the maximum movement distance of the rotating rod.

[0009] Optionally, the bottom of the pressing plate is fixedly provided with a telescopic rod away from the hydraulic rod, and the bottom of the telescopic rod is fixedly arranged at the right end of the fixed frame.

[0010] Optionally, the outer side of the bottom of the slide rod is sleeved with a spring, and the bottom of the spring is fixedly arranged at the top of the power frame.

[0011] Optionally, an angle between the bottom of the clamping rod and the clamping rod is 60 degrees, and the surface of the clamping rod is uniformly provided with anti-skid rings.

[0012] Optionally, the bottom of the clamping rod is slidably sleeved with a bottom fixing plate, the middle of the bottom fixing plate is fixedly provided with a clamping groove, and the inner wall width of the clamping groove is the same as the thickness of the extension plate.

[0013] Optionally, the inner side of the extension plate is vertically arranged with the bottom of the fixed frame, the front of the extension plate is treated with anti-skid, and the number of the extension plate is two.

[0014] In summary, the present application has the following beneficial technical effects:

[0015] 1. The utility model discloses a clamping rod, clamping rod and extension plate and other components are set up, through the clamping rod drive clamping rod approaches the lateral wall of liquid container movement, reaches the quick for the lateral wall of liquid container is connected, prevents the container from falling when pipetting, increases the stability when pipetting, facilitates the operation to clamping structure, reduces the redundant step, makes the simple structure, clamps more stable effect.

[0016] 2. The utility model discloses a horizontal rod, middle transverse plate and slide rod and other components are set up, through the slide rod drive two groups of middle transverse plate and move, and the middle transverse plate approaches the movement of two clamping rods through the horizontal rod, so that the clamping structure can adapt to more specifications of liquid easily, improve the practicability of clamping structure, and the extension plate is vertically arranged when being used, so that when the clamping structure clamps the top of the liquid container, the lateral wall can still be fixed, and the stability of clamping is guaranteed. DETAILED DESCRIPTION

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram in the embodiment of the present application.

[0018] Figure 2 It is the three-dimensional structure schematic diagram of the horizontal rod in the embodiment of the present application.

[0019] Figure 3 It is the right side structure schematic diagram in the embodiment of the present application.

[0020] Figure 4 It is the front structure schematic diagram in the embodiment of the present application.

[0021] Reference numerals: 1. Fixed frame; 2. Hydraulic rod; 3. Pressing plate; 4. Sliding rod; 5. Telescopic rod; 6. Fixed disc; 7. Crossbar; 8. Power groove; 9. Bottom fixing plate; 10. Snap-fit ​​rod; 11. Arc-shaped connecting rod; 12. Extension plate; 13. Rotating sleeve; 14. Circular plate; 15. Clamping rod; 16. Snap-fit ​​groove; 17. Middle crossbar; 18. Power frame; 19. Rotating tube. Detailed Implementation

[0022] The following is in conjunction with the appendix Figures 1-4 This application will be further described in detail below. The technical solutions in the embodiments of this application will be clearly described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0023] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0024] This application discloses a clamping structure applied to pipetting devices. For example... Figure 1 As shown, the device includes a fixed frame 1. Rotating tubes 19 are rotatably mounted at both ends of the bottom of the fixed frame 1. A snap-fit ​​rod 10 is fixedly mounted at the bottom of the outer circumference of the rotating tube 19. A fixed disc 6 is fixedly mounted on the outer side of the snap-fit ​​rod 10 near the top. A crossbar 7 is slidably mounted in the middle of the fixed disc 6 via a sliding rod 4. Power grooves 8 are provided at both ends of the crossbar 7. The width of the power grooves 8 is greater than the diameter of the rotating rod in the middle of the fixed disc 6. The length of the power grooves 8 at both ends of the crossbar 7 is greater than the maximum movement distance of the rotating rod. The power grooves 8 at both ends of the crossbar 7 facilitate the sliding of the rotating rod in the middle of the fixed disc 6, thereby restricting the movement position of the fixed disc 6.

[0025] Please see Figure 1The middle part of the horizontal rod 7 is rotatably sleeved with a circular ring plate 14, the inner side of the outer circumferential surface of the circular ring plate 14 is fixedly provided with a middle horizontal plate 17, one end of the middle horizontal plate 17 away from the circular ring plate 14 is rotatably provided with a power frame 18, the top of the power frame 18 is fixedly provided with the slide rod 4 through a pad plate, the bottom of the slide rod 4 is sleeved with a spring, the bottom of the spring is fixedly provided on the top of the power frame 18, the spring on the surface of the slide rod 4 provides power assistance for the reset of the slide rod 4, which facilitates the timely reset of the slide rod 4 and the pressing plate 3 on the top.

[0026] Please refer to Figures 1-2 The top of the slide rod 4 is slidably inserted into the middle part of the fixed frame 1, the top of the slide rod 4 is fixedly provided with the pressing plate 3, one end of the bottom of the pressing plate 3 away from the hydraulic rod 2 is fixedly provided with the telescopic rod 5, the bottom of the telescopic rod 5 is fixedly provided on the right end of the fixed frame 1, the pressing plate 3 is lifted under the action of the hydraulic rod 2, and the stability of the pressing plate 3 in the lifting state is ensured through the telescopic rod 5, one end of the bottom of the pressing plate 3 is fixedly provided with the hydraulic rod 2, and the bottom of the hydraulic rod 2 is fixedly provided on the left end of the upper surface of the fixed frame 1.

[0027] Please refer to Figure 1 One end of the bottom of the fixed frame 1 is rotatably provided with a rotating pipe 19, the bottom of the outer side of the rotating pipe 19 is fixedly provided with a clamping rod 10, the clamping rod 10 is slidably sleeved with a bottom fixed plate 9 close to the bottom, the middle part of the bottom fixed plate 9 is fixedly provided with a clamping groove 16, the inner wall width of the clamping groove 16 is the same as the thickness of the extension plate 12, the bottom fixed plate 9 is slid to the retracted position of the extension plate 12, the retracted extension plate 12 is clamped in the inside of the clamping groove 16, damage to the extension plate 12 in the static state is avoided, the inner side of the bottom of the clamping rod 10 is fixedly provided with a clamping rod 15, the clamping rod 15 and the bottom of the clamping rod 10 form a 60-degree angle, the surface of the clamping rod 15 is uniformly provided with anti-skid rings, the clamping rod 15 is arranged at a certain angle, the port of the liquid container is clamped and held conveniently, the liquid container is prevented from falling, and the clamping work is more stable.

[0028] Please refer to Figure 1 The bottom of the clamping rod 10 is rotatably sleeved with a rotating sleeve pipe 13, the bottom of the outer side of the rotating sleeve pipe 13 is fixedly provided with an arc-shaped connecting rod 11, the bottom of the arc-shaped connecting rod 11 is fixedly provided with the extension plate 12, the inner side of the extension plate 12 is vertically arranged with the bottom of the fixed frame 1, the vertically arranged extension plate 12 facilitates contact with the outer side of the liquid container, so that auxiliary clamping work on the liquid container is realized, the front surface of the extension plate 12 is treated with anti-skid, the number of the extension plate 12 is two, and the two extension plates 12 are respectively located at the bottom of the two clamping rods 10.

[0029] The embodiment of the application is applied to the clamping structure of a pipetting device. The implementation principle is as follows: when pipetting operation is needed, the device is moved to the position above the liquid container by moving the pressing plate 3, the hydraulic rod 2 is started as the power to drive the pressing plate 3 and the bottom sliding rod 4 to move, the sliding rod 4 is lifted to lift the power frame 18 upwards, the power frame 18 pulls one end of the two middle plates 17 on the two sides upwards, the middle plates 17 move the two clamping rods 10 on the two sides to the direction of the liquid container through the outer end cross rod 7, the clamping rods 15 below clamp and fix the liquid container, when the container is large, the bottom fixed plate 9 is moved upwards, the extension plate 12 is slid out, the extension plate 12 is rotated by half a circle to be below the clamping rod 15, the liquid container is clamped by the extension plate 12, the clamping is more stable, and the practicability of the clamping structure is increased.

[0030] The above are preferred embodiments of the application, and do not limit the protection scope of the application. Therefore, equivalent changes made on the basis of the structure, shape and principle of the application should be covered by the protection scope of the application.

Claims

1. Clamping structure for pipetting equipment comprising a fixed frame (1), characterized in that: Both ends of the bottom of the fixed frame (1) are rotationally provided with rotating pipes (19), the bottom of the outer circumferential surface of the rotating pipe (19) is fixedly provided with a clamping rod (10), the outer side of the top of the clamping rod (10) is fixedly provided with a fixed disc (6), the middle of the fixed disc (6) is slidably provided with a cross bar (7) through a slide rod (4), the middle of the cross bar (7) is rotationally sleeved with a circular ring plate (14), the inner side of the outer circumferential surface of the circular ring plate (14) is fixedly provided with a middle cross plate (17), the end of the middle cross plate (17) away from the circular ring plate (14) is rotationally provided with a power frame (18), the top of the power frame (18) is fixedly provided with a slide rod (4) through a backing plate, the top of the slide rod (4) is slidably inserted into the middle of the fixed frame (1), the top of the slide rod (4) is fixedly provided with a pressing plate (3), one end of the bottom of the pressing plate (3) is fixedly provided with a hydraulic rod (2), and the bottom of the hydraulic rod (2) is fixedly provided on the left end of the upper surface of the fixed frame (1). One end of the bottom of the fixed frame (1) is rotationally provided with a rotating pipe (19), the bottom of the outer side of the rotating pipe (19) is fixedly provided with a clamping rod (10), and the inner side of the bottom of the clamping rod (10) is fixedly provided with a clamping rod (15). The bottom of the clamping rod (10) is rotationally sleeved with a rotating sleeve (13), the bottom of the outer side of the rotating sleeve (13) is fixedly provided with an arc-shaped connecting rod (11), and the bottom of the arc-shaped connecting rod (11) is fixedly provided with an extension plate (12).

2. The clamping structure for a pipetting device according to claim 1, characterized in that: Both ends of the cross bar (7) are provided with power grooves (8), the width of the power groove (8) is greater than the diameter of the rotating rod in the middle of the fixed disc (6), and the length of the power groove (8) at both ends of the cross bar (7) is greater than the maximum movement distance of the rotating rod.

3. The clamp structure for a pipetting device according to claim 1, characterized in that: The bottom of the pressing plate (3) is fixedly provided with a telescopic rod (5) away from the hydraulic rod (2), and the bottom of the telescopic rod (5) is fixedly provided on the right end of the fixed frame (1).

4. The clamp structure for a pipetting device according to claim 1, characterized in that: The bottom of the slide rod (4) is sleeved with a spring, and the bottom of the spring is fixedly provided on the top of the power frame (18).

5. The clamp structure for a pipetting device according to claim 1, characterized in that: The bottom of the clamping rod (10) is rotationally sleeved with a rotating sleeve (13), the bottom of the outer side of the rotating sleeve (13) is fixedly provided with an arc-shaped connecting rod (11), and the bottom of the arc-shaped connecting rod (11) is fixedly provided with an extension plate (12).

6. The clamp structure for a pipetting device according to claim 1, characterized in that: The inner side of the extension plate (12) is vertically provided with the bottom of the fixed frame (1), the front surface of the extension plate (12) is treated to prevent slipping, the number of the extension plate (12) is two, and the two extension plates (12) are respectively located at the bottom of the two clamping rods (10).

7. The clamp structure for a pipetting device according to claim 1, characterized in that: The inner side of the extension plate (12) is vertically provided with the bottom of the fixed frame (1), the front surface of the extension plate (12) is treated to prevent slipping, the number of the extension plate (12) is two, and the two extension plates (12) are respectively located at the bottom of the two clamping rods (10).

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