Pancreatin sample adding gun
The design of detachable air column and nozzle isolation cover solves the problems of damage and contamination caused by improper operation of traditional pancreatic enzyme pipettes, and realizes convenient cleaning of pipettes and reliable experimental results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional trypsin pipettes are prone to damage and reagent contamination if not operated properly, which can affect the accuracy of experimental results.
A detachable air column structure was designed, equipped with a suction nozzle isolation cover. The air column can be disassembled and cleaned by pressing the disassembly button to prevent pancreatic enzymes or irritating gases from entering the gun body. A spring and locking hook structure is used to ensure sealing.
It effectively prevents pancreatic enzymes or irritating gases from entering the pipette body, avoids structural corrosion and reagent contamination, extends the service life of the pipette, and ensures the accuracy of experimental results.
Smart Images
Figure CN224009849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of sample adding gun, concretely relates to a trypsin sample adding gun. BACKGROUND
[0002] The sample adding gun is also called a pipette, which is a common name of a micro-adjustable pipette, and is a device for quantitatively transferring liquid. When analyzing and testing, a small amount or trace amount of liquid is usually taken by using the sample adding gun. When in use, the range can be adjusted by rotating the knob on the sample adding gun, and the high-viscosity liquid, biologically active liquid, easily foaming liquid or trace amount of liquid can be transferred by pressing the top button. The sample adding gun can realize accurate sample adding for small or large volume of liquid within the range.
[0003] The conventional trypsin sample adding gun is often damaged due to improper operation, and the trypsin or other irritating gas enters the inside of the gun body, causing the internal structure to be corroded, and the reagent is contaminated, resulting in experimental deviation. Therefore, the trypsin sample adding gun is provided. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a trypsin sample adding gun to solve the problem of experimental deviation caused by the trypsin or other irritating gas entering the inside of the gun body due to improper operation, and the internal structure being corroded, and the reagent being contaminated.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a trypsin sample adding gun, which comprises a shell, a piston button is installed at the top center of the shell, a sealing column is installed at the bottom of the inside of the shell, a first cavity is arranged in the inside of the sealing column, a first spring is installed at the bottom of the two sides of the sealing column, a lock hook is connected to the other side of the first spring, a screw is arranged in the middle of the lock hook, a first dismounting button is installed on the side of the lock hook close to the shell, a detachable air column is installed at the bottom of the sealing column, a connecting port is arranged at the top of the detachable air column, a sealing ring is arranged on the outer surface of the connecting port, grooves are formed on the outer sides of the detachable air column, a suction nozzle is connected to the bottom center of the detachable air column, two groups of second air holes are formed at the top edge of the suction nozzle, an isolation cover is arranged at the top of the suction nozzle, first air holes are formed in the middle of the two sides of the isolation cover, a second spring is arranged at the bottom edge of the shell, a supporting plate is connected to the top of the second spring, a second dismounting button is connected to the top of the supporting plate, a push tube is installed on the outside of the detachable air column, a third spring is arranged at the top edge of the push tube, and a trapezoidal block is connected to the outside of the third spring.
[0006] Preferably, a hook is arranged on the left side of the top of the shell, a pipe pusher is mounted on the right side of the top of the shell, and a push plate is mounted at the bottom end of the pipe pusher.
[0007] Preferably, the outer diameter of the adapter is equal to the inner diameter of the sealing column, and the bottom of the sealing column is in sliding connection with the adapter.
[0008] Preferably, the hook is in rotary connection with the screw, the screw is in elastic connection with the sealing column through a first spring, and the hook-shaped bottom of the hook is adapted to the groove.
[0009] Preferably, the trapezoidal block is in elastic connection with the push tube through a third spring, and the second dismounting knob is in linkage structure with the trapezoidal block.
[0010] Preferably, the supporting plate is in elastic connection with the shell through a second spring, the supporting plate is in sliding connection with the second dismounting knob, and the push plate is in linkage structure with the push tube.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] The pancreatin sample gun is provided with a detachable air column, the detachable air column is connected with the suction nozzle, the first dismounting knob is pressed to make the detachable air column separate from the gun body, the cleaning and disinfection of the contaminated detachable air column are facilitated, the top end of the suction nozzle is further provided with an isolation cover, and the isolation cover prevents the pancreatin or other irritating gas from splashing into the gun body to cause internal structure pollution. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front view of the utility model;
[0014] Figure 2 It is a front view of the detachable air column of the utility model;
[0015] Figure 3 It is a front view of the utility model Figure 2 It is an enlarged view of A in the utility model;
[0016] Figure 4 It is a front view of the pipe pusher of the utility model;
[0017] Figure 5 It is a front view of the utility model Figure 2 It is an enlarged view of B in the utility model.
[0018] In the figure: 1, the shell; 11, the hook; 12, the digital window; 13, the sealing column; 131, the first spring; 132, the lock hook; 133, the screw; 134, the first disassembly button; 14, the first cavity; 15, the second spring; 151, the support plate; 152, the second disassembly button; 2, the piston button; 3, the tube pusher; 31, the push plate; 4, the push tube; 41, the third spring; 42, the trapezoidal block; 5, the suction nozzle; 51, the detachable air column; 511, the groove; 52, the isolation cover; 521, the first air hole; 522, the second air hole; 53, the second cavity; 54, the connecting interface; 55, the sealing ring. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0020] Please refer to Figures 1-3The utility model provides a technical scheme: a pancreatin sample adding gun, including shell 1, the top center place of shell 1 is equipped with piston button 2, play the role of adjusting the required pancreatin volume and the operation sample adding of sucking, the top left side of shell 1 is provided with hook 11, play the role of the sample adding gun is hung, the top right side of shell 1 is equipped with pipe orifice pusher 3, play the role of the suction head is pushed out, the bottom of pipe orifice pusher 3 is equipped with push plate 31, the front end surface of shell 1 is provided with digital window 12, play the role of the volume of the sample pancreatin is clear, the inside bottom of shell 1 is equipped with sealing column 13, the inside of sealing column 13 is provided with first cavity 14, adjusts the inside volume by piston button 2, the bottom of both sides of sealing column 13 is equipped with first spring 131, one side of first spring 131 is connected with lock hook 132, the middle part of lock hook 132 is provided with screw 133, lock hook 132 and screw 133 constitute the rotary connection, and screw 133 is elastically connected with sealing column 13 through first spring 131, one side of lock hook 132 close to shell 1 is equipped with first dismounting button 134, the bottom of sealing column 13 is equipped with detachable air column 51, press first dismounting button 134 can make the top of lock hook 132 to first spring 131 press, the bottom of lock hook 132 is hooked and moves to the outside, now carry out the installation and dismounting of detachable air column 51, release first dismounting button 134, lock hook 132 restores the original state under the thrust of first spring 131, the top of detachable air column 51 is provided with adapter 54, the outer diameter of adapter 54 is equal with the inner diameter of sealing column 13, and the bottom of sealing column 13 and adapter 54 constitute sliding connection, play the role of the intercommunication of first cavity 14 and second cavity 53, the outside surface of adapter 54 is provided with sealing ring 55, play the role of guaranteeing that the inside of first cavity 14 and second cavity 53 is sealed, the recess 511 is seted up in the outside both sides of detachable air column 51, the hook of the bottom of lock hook 132 is adapted with recess 511, play the role of fixed detachable air column 51, the bottom center of detachable air column 51 is connected with suction nozzle 5, play the role of connecting suction head and sucking pancreatin, the top of suction nozzle 5 is provided with isolating cover 52, the middle both sides of isolating cover 52 are provided with first air hole 521, play the role of preventing pancreatin or other irritant gas spatter to the internal structure pollution of gun body inside.
[0021] Please refer to Figure 2 、 4And 5, a pancreatin sample adding gun, a second spring 15 is arranged at the bottom end edge of the shell 1, the top end of the second spring 15 is connected with a supporting plate 151, the top end of the supporting plate 151 is connected with a second dismounting button 152, the supporting plate 151 and the second dismounting button 152 constitute sliding connection, the second dismounting button 152 is not fixedly connected with the supporting plate 151, the second dismounting button 152 can slide left and right on the supporting plate 151, a push tube 4 is mounted outside the detachable air column 51, the supporting plate 151 is elastically connected with the shell 1 through the second spring 15, the push plate 31 and the push tube 4 constitute a linkage structure, the push tube 4 can be moved downwards by pressing the tube port ejector 3, so that the suction head is pushed off, the top end edge of the push tube 4 is provided with a third spring 41, the outside of the third spring 41 is connected with a trapezoidal block 42, the trapezoidal block 42 is elastically connected with the push tube 4 through the third spring 41, and the second dismounting button 152 and the trapezoidal block 42 constitute a linkage structure, the trapezoidal block 42 is moved inwards by pressing the second dismounting button 152, and when the trapezoidal block 42 is completely moved into the push tube 4, the push tube 4 can be dismounted.
[0022] Working principle: for this kind of pancreatin sample adding gun, first of all, the staff rotates the piston button 2 to adjust the volume of the pancreatin to be sucked, installs the matching suction head, and then presses the piston button 2 downwards to suck and add the pancreatin, even if the operation is improper, the pancreatin will not enter the inside of the gun body assembly under the protection of the isolation cover 52, after the adding is finished, the tube port ejector 3 is pressed downwards, the push plate 31 pushes the push tube 4 to move downwards, the suction head is pushed out and discarded, after the tube port ejector 3 is released, the trapezoidal blocks 42 on both sides of the push tube 4 restore to the original position under the pushing force of the second spring 15, and the tube port ejector 3 restores to the original position, when the suction nozzle 5 needs to be cleaned, first, the second dismounting buttons 152 on both sides are pressed to push the trapezoidal blocks 42 into the inside of the push tube 4, the push tube 4 is moved downwards and dismounted, then the first dismounting button 134 is pressed to make the top end of the lock hook 132 press the first spring 131, the bottom end of the lock hook 132 moves outwards and moves out of the groove 511, the detachable air column 51 is moved downwards and dismounted, and the disinfection and cleaning can be carried out, the inside of the gun body will not be polluted due to improper operation, the cleaning and dismounting process does not need additional tools any more, and can be completed manually, after the cleaning is finished, the detachable air column 51 and the push tube 4 are installed in turn, and the gun can be used continuously, the whole process is simple and convenient, and the service life of the sample adding gun is prolonged.
[0023] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A trypsin pipette, comprising a casing (1), characterized in that: A piston button (2) is installed at the center of the top of the outer casing (1). A sealing column (13) is installed at the bottom of the inner part of the outer casing (1). A first cavity (14) is provided inside the sealing column (13). A first spring (131) is installed at the bottom of both sides of the sealing column (13). A locking hook (132) is connected to the other side of the first spring (131). A screw (133) is provided in the middle of the locking hook (132). A first disassembly button (134) is installed on the side of the locking hook (132) near the outer casing (1). A detachable air column (51) is installed at the bottom of the sealing column (13). A connecting port (54) is provided at the top of the detachable air column (51). A sealing ring (55) is provided on the outer surface of the connecting port (54). The outer sides of the shell (1) are provided with grooves (511). The bottom center of the detachable air column (51) is connected to a suction nozzle (5). Two sets of second air holes (522) are provided at the top edge of the suction nozzle (5). An isolation cover (52) is provided at the top of the suction nozzle (5). First air holes (521) are provided on both sides of the middle part of the isolation cover (52). A second spring (15) is provided at the bottom edge of the shell (1). A support plate (151) is connected at the top of the second spring (15). A second disassembly button (152) is connected at the top of the support plate (151). A push tube (4) is installed on the outside of the detachable air column (51). A third spring (41) is provided at the top edge of the push tube (4). A trapezoidal block (42) is connected to the outside of the third spring (41).
2. The pancreatic enzyme pipette according to claim 1, characterized in that: A hook (11) is provided on the top left side of the outer casing (1), a tube ejector (3) is installed on the top right side of the outer casing (1), a push plate (31) is installed at the bottom end of the tube ejector (3), and a digital window (12) is provided on the front surface of the outer casing (1).
3. The pancreatic enzyme pipette according to claim 1, characterized in that: The outer diameter of the connecting port (54) is equal to the inner diameter of the sealing column (13), and the bottom of the sealing column (13) and the connecting port (54) form a sliding connection. The first cavity (14) and the second cavity (53) are connected.
4. The pancreatic enzyme pipette according to claim 1, characterized in that: The locking hook (132) and the screw (133) are rotatably connected, and the screw (133) is elastically connected to the sealing post (13) through the first spring (131). The hook shape at the bottom of the locking hook (132) is adapted to the groove (511).
5. A pancreatic enzyme pipette according to claim 1, characterized in that: The trapezoidal block (42) is elastically connected to the push tube (4) via the third spring (41), and the second disassembly button (152) and the trapezoidal block (42) form a linkage structure.
6. A pancreatic enzyme pipette according to claim 2, characterized in that: The support plate (151) is elastically connected to the outer shell (1) via the second spring (15), and the support plate (151) and the second disassembly button (152) are slidably connected. The push plate (31) and the push tube (4) form a linkage structure.