A large-capacity pipette with rotatable tip angle
By designing a rotating device in a large-capacity pipette, the adjustable tip angle is solved, and the problem of users needing to adjust the handheld angle during use is improved, and the work efficiency is reduced and hand soreness is reduced.
Patent Information
- Application Number
- CN202421547039.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing large-capacity pipettes need to adjust the handheld angle to adapt to straws of different heights when used, resulting in long-term hand pain and affecting work efficiency.
A large-capacity pipette with a rotatable suction head angle is designed. By providing a rotating device in the housing, including a hollow screw and a lock nut, the rotation angle of the suction head is adjusted to ensure that the user can use it in a forehand grip position.
Through the design of the rotating device, users can adjust the angle of the suction head as needed to avoid hand soreness, improve work efficiency, and ensure the unobstructed flow path of the suction and discharge.
Smart Images
Figure CN222739202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipettes, in particular to a large-capacity pipette with a rotatable suction head angle. Background Art
[0002] Pipettes are often used in laboratories to transfer and add trace amounts of liquid. Currently, the large-capacity pipette tips and shells on the market are integrated. When used, in order to adapt to pipettes of different heights, the angle of the handheld pipette needs to be adjusted, and the hand needs to be bent constantly. Long-term use will cause hand soreness. Therefore, it is necessary to design a large-capacity pipette with a rotatable tip angle to ensure that users hold it in their right hand during use, thereby improving work efficiency. Utility Model Content
[0003] In order to solve the above technical problems, the utility model designs a large-capacity pipette with a rotatable suction head angle.
[0004] The utility model adopts the following technical solutions:
[0005] A large-capacity pipette with a rotatable tip angle comprises a shell and a tip, wherein a battery, a suction and discharge pump, a main control PCB board, a suction button, a discharge button and a suction and discharge main channel are arranged in the shell, the suction and discharge pump is connected to the suction and discharge main channel, and the suction and discharge main channel is connected to the tip through a suction and discharge hose, the shell comprises a handheld portion and a corner portion, one end of the handheld portion is rotatably connected to one end of the corner portion through a rotating device, and the other end of the corner portion is fixedly connected to the tip, the rotating device comprises a hollow screw and a locking nut, and an air pipe flow channel is opened in the hollow screw for passing the suction and discharge hose.
[0006] Preferably, a damping plate is sleeved on the hollow screw between the hollow screw and the locking nut.
[0007] Preferably, the handheld part includes a rear lower shell, a front lower shell and a bottom shell, the battery, the suction and discharge pump, and the main control PCB board are installed inside the handheld part, the suction button and the discharge button are installed on the handheld part, and the suction and discharge pump is controlled by the main control PCB board to perform suction and discharge operations.
[0008] Preferably, the corner portion comprises a front upper shell and a rear upper shell, and the front upper shell and the rear upper shell are snap-fitted and fixed.
[0009] Preferably, a touch screen is installed on the handheld part, and the touch screen is connected to the main control PCB board.
[0010] Preferably, a filter is installed in the suction head.
[0011] Preferably, a suction head sealing ring is installed in the suction head shell.
[0012] The beneficial effects of the utility model are as follows: (1) the utility model realizes the rotation angle adjustment of the suction head through the rotating device, the hand-held part and the corner part, and the suction head angle can be adjusted according to the use requirements. The whole device can realize the rotation adjustment of the suction head angle while ensuring the smoothness of the suction and discharge flow channel; (2) the utility model is provided with a damping plate, and the damping force during rotation can be controlled by adjusting the tightness of the locking nut. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 yes Figure 1 A rear view of
[0015] Figure 3 It is a schematic diagram of the internal structure of the utility model;
[0016] Figure 4 It is a structural schematic diagram of the rotating device in the utility model;
[0017] In the figure: 1. suction head, 2. front upper shell, 3. rear upper shell, 4. touch screen, 5. rear lower shell, 6. front lower shell, 7. bottom shell, 8. suction button, 9. discharge button, 10. battery, 11. main control PCB board, 12. suction head sealing ring, 13. filter, 14. suction and discharge hose, 15. rotating device, 16. suction and discharge main channel, 17. suction and discharge pump, 18. hollow screw, 19. damping plate, 20. locking nut, 21. air pipe flow channel. DETAILED DESCRIPTION
[0018] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:
[0019] Example: Figure 1-Figure 4 As shown, a large-capacity pipette with a rotatable tip angle comprises a shell and a tip 1, wherein a battery 10, a suction and discharge pump 17, a main control PCB board 11, a suction button 8, a discharge button 9 and a suction and discharge main channel 16 are arranged in the shell, the suction and discharge pump is connected to the suction and discharge main channel, and the suction and discharge main channel is connected to the tip through a suction and discharge hose 14, the shell comprises a hand-held portion and a corner portion, one end of the hand-held portion is rotatably connected to one end of the corner portion through a rotating device 15, and the other end of the corner portion is fixedly connected to the tip, the rotating device comprises a hollow screw 18 and a locking nut 20, and an air pipe channel 21 is opened in the hollow screw for passing the suction and discharge hose.
[0020] A damping sheet 19 is sleeved on the hollow screw and located between the hollow screw and the locking nut.
[0021] The handheld part includes a rear lower shell 5, a front lower shell 6 and a bottom shell 7. The battery, the suction and discharge pump and the main control PCB board are installed in the handheld part. The suction and discharge buttons are installed on the handheld part. The suction and discharge pumps are controlled by the main control PCB board to perform suction and discharge operations. The corner part includes a front upper shell 2 and a rear upper shell 3, which are fixed by snapping.
[0022] A touch screen 4 is installed on the handheld part, and the touch screen is connected to the main control PCB board. A filter 13 is installed in the suction head. A suction head sealing ring 12 is installed in the suction head shell.
[0023] When the utility model is used, the pipette is inserted into the suction head, the pipette is connected to the internal suction head sealing ring, the suction and discharge hose connects the filter to the suction and discharge main channel, and the suction and discharge main channel is connected to the suction and discharge pump. When in use, the suction and discharge button is pressed to control the start and stop of the suction and discharge pump to realize the suction and discharge of the whole machine.
[0024] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.
Claims
1. A large-capacity pipette with a rotatable tip angle, comprising a housing and a tip, wherein a battery, a suction and discharge pump, a main control PCB board, a suction and discharge button, a suction and discharge main channel are arranged in the housing, the suction and discharge pump is connected to the suction and discharge main channel, and the suction and discharge main channel is connected to the tip through a suction and discharge hose, wherein the characteristics are: The shell includes a hand-held part and a corner part. One end of the hand-held part is rotatably connected to one end of the corner part through a rotating device, and the other end of the corner part is fixedly connected to the suction head. The rotating device includes a hollow screw and a locking nut. An air pipe flow channel is opened in the hollow screw for passing the suction and discharge hose.
2. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: A damping sheet is sleeved on the hollow screw and located between the hollow screw and the locking nut.
3. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: The handheld part includes a rear lower shell, a front lower shell and a bottom shell. The battery, the suction and discharge pump and the main control PCB board are installed in the handheld part. The suction button and the discharge button are installed on the handheld part. The suction and discharge pump is controlled by the main control PCB board to perform suction and discharge operations.
4. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: The corner portion comprises a front upper shell and a rear upper shell, and the front upper shell and the rear upper shell are snap-fitted and fixed.
5. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: A touch screen is installed on the handheld part, and the touch screen is connected to the main control PCB board.
6. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: A filter is installed in the suction head.
7. A large-capacity pipette with a rotatable tip angle according to claim 1, characterized in that: A suction head sealing ring is installed in the suction head shell.