Pipette convenient to operate

Abstract

The utility model discloses a pipette convenient to operate, and relates to the technical field of medical examination, the pipette comprises a pipette body and an anti-dripping component, the outer wall of the left side of the pipette body is fixedly connected with a handle, the end part of the bottom of the pipette body is connected with a pipette tip in a clamping manner, and the pipette tip is connected with the anti-dripping component. The anti-dripping assembly for preventing dripping is arranged at the end part of the bottom of the pipette tip, and a radian nozzle is arranged at the end part of the bottom of the pipette body. According to the pipette convenient to operate, the containing hole formed in the grip is used for containing the pipette body on a pipette rack, the grip can prevent the pipette from falling off when the pipette is taken, operation is more convenient, the end of the bottom of the radian pipe nozzle is arranged to be a pipeline with a radian, and therefore the pipette is more convenient to operate. The height of the inner wall of the left side end part of the anti-dripping tube plug is higher than that of the inner wall of the left side end part of the radian tube nozzle, so that the condition of dripping leakage caused by shaking of the sample liquid during movement in the pipetting process can be prevented, and the influence on a detection result is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of medical inspection, in particular to a liquid transfer gun which is easy to operate. Background Art

[0002] A pipette is a type of pipette, commonly used to transfer small or trace amounts of liquid in laboratories or medical tests. Different specifications of pipettes are equipped with different sized pipette tips. The pipette is a precision instrument and must be used and stored with caution to prevent damage and avoid affecting its range.

[0003] Existing pipettes are usually operated by hand, and are prone to slipping and falling during the pipetting process, thus affecting the pipetting operation. In addition, during the pipetting process, the sample liquid is shaken during movement and leaks, which affects the test results.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a pipette gun that is easy to operate is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a liquid transfer gun that is easy to operate, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipette gun that is easy to operate, comprising a pipette gun body and an anti-drip component, the left outer wall of the pipette gun body is fixedly connected to a handle, and the outer wall of the handle is provided with a placement hole, the bottom end of the pipette gun body is snap-connected with a pipette tip, the anti-drip component for preventing dripping is arranged at the bottom end of the pipette tip, and the anti-drip component comprises a pipette body, a curved nozzle and an anti-drip pipe plug, the bottom end of the pipette body is provided with a curved nozzle, and the end of the curved nozzle is provided with an anti-drip pipe plug.

[0007] Furthermore, the outer wall of the pipette tip is snap-connected with the pipette body, and the height of the inner wall of the left end of the anti-drip pipe plug is higher than the height of the inner wall of the left end of the curved nozzle.

[0008] Furthermore, the top outer wall of the pipette tip is provided with a disassembly and assembly auxiliary component for disassembly and assembly, and the disassembly and assembly auxiliary component includes a pressure rod and a return spring. The right top outer wall of the pipette gun body is slidably connected with a pressure rod, and the outer wall of the pressure rod is provided with a return spring.

[0009] Furthermore, the disassembly and assembly auxiliary component also includes a fixed block and a limit block, the bottom end of the reset spring is connected to the fixed block, and the bottom outer wall of the pressure rod is provided with a limit block.

[0010] Furthermore, the disassembly and assembly auxiliary component also includes a slide rail and a locking ring, the outer wall of the limit block is slidably connected to the slide rail, and the outer wall of the top end of the pressure rod is provided with a locking ring.

[0011] Furthermore, a first telescopic rod is fixedly connected to the top outer wall of the pipette gun body, and a second telescopic rod is slidably connected to the top end of the first telescopic rod.

[0012] Furthermore, a withdrawal rod is provided at the top end of the second telescopic rod, and a collecting tube is provided at the bottom end of the withdrawal rod.

[0013] Furthermore, the collecting tube is arranged inside the pipette gun body, and a visible scale window is arranged on the front outer wall of the pipette gun body.

[0014] Further, as described.

[0015] The utility model provides a convenient-to-operate liquid transfer gun, which has the following beneficial effects:

[0016] 1. The easy-to-operate pipette has a placement hole in the handle for placing the pipette body on the pipette stand. The handle can prevent the pipette from falling during operation, making it easier to operate. The bottom end of the curved nozzle is configured as a curved pipe. The height of the inner wall of the left end of the anti-drip pipe plug is higher than the height of the inner wall of the left end of the curved nozzle, which can prevent the sample liquid from leaking due to shaking during movement during the pipetting process, thereby avoiding affecting the test results.

[0017] 2. The easy-to-operate pipette gun has a pressure rod that drives the limit block to move downward, and the limit block slides in the slide rail. The limit block pushes the pipette tip downward, thereby realizing the disassembly of the pipette tip. The pressure rod is released, and the reset spring rebounds, driving the pressure rod to move upward and reset. The locking ring is used to be sleeved on the top end of the pressure rod to lock the pressure rod to prevent the pressure rod from being accidentally touched during the pipetting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of a convenient-to-operate liquid transfer gun of the utility model;

[0019] Figure 2 The utility model is a convenient-to-operate liquid transfer gun. Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 3 The utility model is a three-dimensional structural schematic diagram of a pressure rod of a liquid transfer gun which is easy to operate.

[0021] In the figure: 1. Pipette gun body; 2. Grip; 3. Placement hole; 4. Pipette tip; 5. Anti-drip assembly; 501. Pipette body; 502. Curved nozzle; 503. Anti-drip tube plug; 6. Disassembly and assembly auxiliary assembly; 601. Pressure rod; 602. Return spring; 603. Fixed block; 604. Limit block; 605. Slide rail; 606. Locking ring; 7. First telescopic rod; 8. Second telescopic rod; 9. Withdrawal rod; 10. Collection tube; 11. Visual scale window. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] like Figure 1-Figure 3 As shown, a convenient-to-operate liquid transfer gun comprises a liquid transfer gun body 1 and an anti-drip component 5. The left outer wall of the liquid transfer gun body 1 is fixedly connected with a handle 2, and the outer wall of the handle 2 is provided with a placement hole 3. The bottom end of the liquid transfer gun body 1 is connected with a liquid transfer head 4 in a clamping manner. The anti-drip component 5 for preventing liquid transfer is arranged at the bottom end of the liquid transfer head 4, and the anti-drip component 5 comprises a liquid transfer tube body 501, an arc nozzle 502 and an anti-drip tube plug 503. The bottom end of the liquid transfer tube body 501 is provided with an arc nozzle 502, and the end of the arc nozzle 502 is provided with an anti-drip tube plug 503. The outer wall of the liquid transfer head 4 is connected with the liquid transfer tube body 501 in a clamping manner, and the inner wall height of the left end of the anti-drip tube plug 503 is higher than the inner wall height of the left end of the arc nozzle 502.

[0024] The specific operation is as follows: before use, hold the handle 2 and pick up the pipette gun body 1 from the pipette gun rack. The placement hole 3 opened in the handle 2 is used to place the pipette gun body 1 on the pipette gun rack. The handle 2 can prevent the pipette from falling when operating, so as to facilitate operation. The pipette tip 4 and the pipette tube body 501 are snap-connected and easy to install and disassemble. The bottom end of the curved nozzle 502 is configured as a curved pipe. The inner wall height of the left end of the anti-drip pipe plug 503 is higher than the inner wall height of the left end of the curved nozzle 502, which can prevent the sample liquid from being shaken during the movement during the pipetting process and leaking, thereby avoiding affecting the detection results.

[0025] like Figure 1-Figure 3As shown, the top outer wall of the pipette tip 4 is provided with a disassembly and assembly auxiliary component 6 for disassembly and assembly, and the disassembly and assembly auxiliary component 6 includes a pressure rod 601 and a return spring 602, the right top outer wall of the pipette gun body 1 is slidably connected with the pressure rod 601, and the outer wall of the pressure rod 601 is provided with a return spring 602, the disassembly and assembly auxiliary component 6 also includes a fixed block 603 and a limit block 604, the bottom end of the return spring 602 is connected with the fixed block 603, the bottom outer wall of the pressure rod 601 is provided with a limit block 604, and the disassembly and assembly auxiliary component 6 also includes a slide rail 6 05 and a locking ring 606, the outer wall of the limit block 604 is slidably connected with a slide rail 605, the outer wall of the top end of the pressure rod 601 is provided with a locking ring 606, the top outer wall of the pipette gun body 1 is fixedly connected with a first telescopic rod 7, and the top end of the first telescopic rod 7 is slidably connected with a second telescopic rod 8, the top end of the second telescopic rod 8 is provided with a withdrawal rod 9, and the bottom end of the withdrawal rod 9 is provided with a collection tube 10, the collection tube 10 is provided inside the pipette gun body 1, and the front outer wall of the pipette gun body 1 is provided with a visible scale window 11;

[0026] The specific operation is as follows: the pressure rod 601 is rotated 180 degrees, the pressure rod 601 drives the limit block 604 to rotate, the limit block 604 rotates to fit the track of the slide rail 605, the pressure rod 601 is pressed downward, the return spring 602 is compressed, and the fixed block 603 supports the return spring 602. The pressure rod 601 drives the limit block 604 to move downward, the limit block 604 slides in the slide rail 605, and the limit block 604 pushes the pipette tip 4 to move downward, thereby realizing the disassembly of the pipette tip 4;

[0027] Release the pressure rod 601, and the reset spring 602 rebounds, driving the pressure rod 601 to move upward and reset. The locking ring 606 is used to be sleeved on the top end of the pressure rod 601 to lock the pressure rod 601 to prevent the pressure rod 601 from being accidentally touched during the pipetting process;

[0028] When in use, the first telescopic rod 7 is started, and the second telescopic rod 8 slides up and down at the top end of the first telescopic rod 7. The movement of the second telescopic rod 8 drives the withdrawing rod 9 to move up and down. The withdrawing rod 9 moves upward inside the collecting tube 10 to suction and transfer liquid, and the withdrawing rod 9 moves downward inside the collecting tube 10 to press and release liquid. The suction situation inside the collecting tube 10 can be visually observed through the visual scale window 11, which makes it easier to control and operate the pipette gun body 1.

[0029] In summary, if Figure 1-Figure 3As shown, the easy-to-operate pipette, when in use, first before use, hold the handle 2, pick up the pipette body 1 from the pipette rack, the placement hole 3 provided in the handle 2 is used to place the pipette body 1 on the pipette rack, the handle 2 can prevent the pipette from falling when operating, so as to facilitate operation, the pipette tip 4 and the pipette body 501 are snap-connected, and the bottom end of the curved nozzle 502 is arranged as a curved pipe, which can prevent the sample liquid from being shaken during the movement and leaking during the pipetting process;

[0030] The pressure rod 601 is rotated 180 degrees, and the pressure rod 601 drives the limit block 604 to rotate, pressing the pressure rod 601 downward, and the return spring 602 is compressed accordingly, and the pressure rod 601 drives the limit block 604 to move downward, and the limit block 604 slides in the slide rail 605, and the limit block 604 pushes the pipette tip 4 to move downward, thereby realizing the disassembly of the pipette tip 4, loosening the pressure rod 601, and the return spring 602 rebounds, driving the pressure rod 601 to move up and reset, and the locking ring 606 is used to be sleeved on the top end of the pressure rod 601 to lock the pressure rod 601. When in use, the first telescopic rod 7 is started, and the movement of the second telescopic rod 8 drives the up and down movement of the pumping rod 9. The pumping rod 9 moves upward inside the collecting tube 10 to aspirate and pipette, and the pumping rod 9 moves downward inside the collecting tube 10 to press and release the liquid, and the suction situation inside the collecting tube 10 can be intuitively observed through the visual scale window 11.

[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A convenient-to-operate liquid transfer gun, comprising a liquid transfer gun body (1) and a drip prevention component (5), characterized in that: The left outer wall of the pipette gun body (1) is fixedly connected to a handle (2), and the outer wall of the handle (2) is provided with a placement hole (3); the bottom end of the pipette gun body (1) is snap-connected to a pipette tip (4); the anti-drip component (5) for preventing dripping is arranged at the bottom end of the pipette tip (4); and the anti-drip component (5) comprises a pipette body (501), an arc nozzle (502) and an anti-drip pipe plug (503); the bottom end of the pipette body (501) is provided with an arc nozzle (502), and the end of the arc nozzle (502) is provided with an anti-drip pipe plug (503).

2. A convenient-to-operate liquid transfer gun according to claim 1, characterized in that: The outer wall of the pipette tip (4) is snap-connected with the pipette body (501), and the height of the inner wall of the left end of the anti-drip pipe plug (503) is higher than the height of the inner wall of the left end of the curved nozzle (502).

3. A convenient-to-operate liquid transfer gun according to claim 1, characterized in that: The top outer wall of the pipette tip (4) is provided with a disassembly and assembly auxiliary component (6) for disassembly and assembly, and the disassembly and assembly auxiliary component (6) includes a pressure rod (601) and a return spring (602); the right top outer wall of the pipette gun body (1) is slidably connected with the pressure rod (601), and the outer wall of the pressure rod (601) is provided with a return spring (602).

4. A convenient-to-operate liquid transfer gun according to claim 3, characterized in that: The disassembly and assembly auxiliary component (6) further comprises a fixing block (603) and a limiting block (604); the bottom end of the return spring (602) is connected to the fixing block (603); and the bottom outer wall of the pressure rod (601) is provided with a limiting block (604).

5. A convenient-to-operate liquid transfer gun according to claim 4, characterized in that: The disassembly and assembly auxiliary component (6) also includes a slide rail (605) and a locking ring (606); the outer wall of the limit block (604) is slidably connected to the slide rail (605); and the outer wall of the top end of the pressure rod (601) is provided with a locking ring (606).

6. The easy-to-operate liquid transfer gun according to claim 1, characterized in that: A first telescopic rod (7) is fixedly connected to the top outer wall of the pipette gun body (1), and a second telescopic rod (8) is slidably connected to the top end of the first telescopic rod (7).

7. A convenient-to-operate liquid transfer gun according to claim 6, characterized in that: A withdrawal rod (9) is provided at the top end of the second telescopic rod (8), and a collection tube (10) is provided at the bottom end of the withdrawal rod (9).

8. The easy-to-operate liquid transfer gun according to claim 7, characterized in that: The collecting tube (10) is arranged inside the pipette gun body (1), and a visible scale window (11) is arranged on the front outer wall of the pipette gun body (1).

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