CN217511893U

CN217511893U - But liquid-transfering of high flux application of sample arranges rifle

Info

Publication number: CN217511893U
Application number: CN202220989662.6U
Authority: CN
Inventors: 卢向娜; 张瑶
Original assignee: Huajie Biotechnology Qingdao Co ltd
Current assignee: Huajie Biotechnology Qingdao Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-30
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a liquid-transfering gun head technical field, concretely relates to but rifle is arranged to liquid-transfering of high flux application of sample, including the liquid-transfering gun, the display screen is installed to the lateral wall of liquid-transfering gun, the one end fixedly connected with connector of liquid-transfering gun, the lateral wall threaded connection of connector has the connecting pipe, the rifle head is installed to the one end of connecting pipe, the middle part of connecting pipe is provided with connecting device, the beneficial effects of the utility model are that: when transporting liquid through the liquid-transfering gun, can inhale the middle part of rifle head with liquid earlier, when needs move the liquid, can block up the drawing liquid hole through spacing subassembly to prevent scattering and lacking of liquid, thereby improve experiment data collection's accuracy, and be provided with the rubber ring between rifle head and the connecting pipe, prevent the entering of liquid, thereby prevent that cross infection's phenomenon from appearing in the liquid.

Description

But liquid-transfering of high flux application of sample arranges rifle

Technical Field

The utility model relates to a liquid-transfering gun head technical field, concretely relates to but liquid-transfering of high flux application of sample arranges rifle.

Background

The pipette is one kind of pipettor, is commonly used in the laboratory to the removal of a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and the shape of different manufacturers' production is also slightly different, but theory of operation and operating method are unanimous basically. The liquid-transfering gun belongs to a precise instrument, and is carefully used and stored, so that damage is prevented, and the measuring range is prevented from being influenced. Current liquid-transfering gun is including shell main part, the imbibition barrel of setting in shell main part bottom, set up rifle head, motor, the piston in imbibition barrel bottom, and motor, piston setting are inside shell main part, and motor drive piston slides from top to bottom and makes the imbibition barrel carry out imbibition or flowing back, need stretch into the rifle head in the liquid during the imbibition, and the rifle head needs often to be changed.

Current liquid-transfering gun head often can move centrifuging tube liquid and get when using, then can need frequently to change liquid-transfering gun head, and when changing the rifle head, the middle part liquid of rifle head can appear dropping or the phenomenon that liquid spills, causes the volume of going of liquid inaccurate for experiment data collection is inaccurate.

Therefore, it is necessary to design a pipetting gun capable of high throughput sample application.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a but liquid-transfering discharging gun of high flux application of sample through connecting device to solve present liquid-transfering gun head when using, often can move centrifuging tube liquid and get, then can need frequently to change liquid-transfering gun head, when changing the rifle head, the phenomenon that drops or liquid spills can appear in the middle part liquid of rifle head, causes the volume of removal of liquid inaccurate, makes the inaccurate scheduling problem of experiment data collection.

In order to achieve the above object, the present invention provides the following technical solutions: a liquid-transfering discharging gun capable of realizing high-flux sample application comprises a liquid-transfering gun, wherein a display screen is installed on the side wall of the liquid-transfering gun, one end of the liquid-transfering gun is fixedly connected with a connector, the side wall of the connector is in threaded connection with a connecting pipe, one end of the connecting pipe is provided with a gun head, and the middle of the connecting pipe is provided with a connecting device;

the connecting device comprises a limiting assembly and a connecting assembly, the limiting assembly is arranged in the middle of the connecting pipe, the connecting assembly is arranged above the limiting assembly, one end of the connecting pipe is fixedly connected with a rubber sleeve, a liquid taking hole is formed in the middle of the rubber sleeve in a penetrating mode, the side wall of the rubber sleeve is in threaded connection with a threaded sleeve, the side wall of the threaded sleeve is fixedly connected with a connecting plate, and the side wall of the connecting plate is fixedly connected to the upper end of the gun head.

Preferably, coupling assembling includes first connecting block, first connecting block fixed connection is in the upper end middle part of connecting pipe, the one end of first connecting block is provided with the spread groove, spread groove threaded connection is on the lateral wall of connector.

Preferably, spacing subassembly includes the breather plate, breather plate fixed connection is on the inner wall of connecting pipe, the lower extreme fixedly connected with of breather plate blocks up the ball, the lateral wall middle part of connecting pipe and be close to one side of blocking up the ball and be provided with and place the chamber, the quantity of placing the chamber is two.

Preferably, two the middle part of placing the chamber all is provided with first spring, the quantity of first spring is two, two the one end fixedly connected with second connecting block of first spring, the quantity of second connecting block is two, two the lateral wall sliding connection of second connecting block is in two middle parts of placing the chamber.

Preferably, two first trapezoidal pieces of equal fixedly connected with in one end of second connecting block, the quantity of first trapezoidal piece is two, two fixedly connected with spacing ring between the second connecting block, the lateral wall of spacing ring is provided with the fixed orifices, the inner wall middle part of connecting pipe and be close to the one side of placing the chamber and be provided with the spout.

Preferably, the number of the sliding grooves is two, the side walls of the two first trapezoidal blocks are connected with the second trapezoidal blocks in a sliding mode, the number of the second trapezoidal blocks is two, and the side walls of the two second trapezoidal blocks are connected to the middle portions of the two sliding grooves in a sliding mode.

Preferably, the side walls of the two second trapezoidal blocks are fixedly connected with two connecting columns, the number of the connecting columns is two, and the side walls of the two connecting columns penetrate through the two sides of the connecting pipe in a sliding manner.

Preferably, one end of each of the two connecting columns is fixedly connected with a pressing plate, the side walls of the two connecting columns are provided with two second springs, the number of the second springs is two, and the two second springs are arranged between the second trapezoidal block and the connecting pipe.

The utility model has the advantages that: when transporting liquid through the pipette, can earlier inhale the middle part of rifle head with liquid, when needs move the liquid, can block up the drawing liquid hole through spacing subassembly to prevent scattering and lacking of liquid, thereby improve the accuracy of experiment data collection, and be provided with the rubber ring between rifle head and the connecting pipe, prevent the entering of liquid, thereby prevent cross infection's phenomenon from appearing in the liquid, overall structure is simple, convenient operation.

Drawings

FIG. 1 is a front view of a pipetting gun for high throughput sample application according to the present invention;

FIG. 2 is a partial cross-sectional view of a pipetting gun with high throughput sample application according to the present invention;

fig. 3 is an enlarged view of the structure of area a in fig. 2 according to the present invention;

FIG. 4 is a three-dimensional schematic view of a blocking ball of a pipetting gun capable of high throughput sample application according to the present invention;

in the figure: 1. a liquid transferring gun; 2. a connecting pipe; 3. a gun head; 4. pressing a plate; 5. a display screen; 6. a breather plate; 7. a first spring; 8. connecting columns; 9. a connecting plate; 10. a liquid extraction hole; 11. a threaded sleeve; 12. a rubber sleeve; 13. a first connection block; 14. connecting grooves; 15. a connector; 16. blocking the ball; 17. a fixing hole; 18. a limiting ring; 19. a first trapezoidal block; 20. a chute; 21. a second trapezoidal block; 22. a second spring; 23. a second connecting block; 24. a placement chamber.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a liquid-transfering discharging gun capable of high flux sample-application, including a liquid-transfering gun 1, the liquid-transfering gun 1 can extract liquid, thereby facilitating transportation, a display screen 5 is installed on the side wall of the liquid-transfering gun 1, one side of the display screen 5 can be used for displaying the extracted value, a connector 15 is fixedly connected with one end of the liquid-transfering gun 1, the connector 15 facilitates the threaded rotation installation of the connector 2, and is made of plastic, the side wall of the connector 15 is in threaded connection with a connecting pipe 2, the connecting pipe 2 can play the role of connection and fixation, and is made of plastic, a gun head 3 is installed at one end of the connecting pipe 2, the gun head 3 facilitates the extraction of liquid, and is made of plastic, a connecting device is arranged in the middle of the connecting pipe 2, the connecting device comprises a limiting component and a connecting component, the limiting component is arranged in the middle of the connecting pipe 2, the connecting assembly is arranged above the limiting assembly, one end of the connecting pipe 2 is fixedly connected with a rubber sleeve 12, the rubber sleeve 12 can play a role in sealing and can prevent liquid at the lower end from entering, the rubber sleeve is made of rubber, a liquid taking hole 10 is arranged in the middle of the rubber sleeve 12 in a penetrating mode, the liquid taking hole 10 is convenient for liquid extraction, a threaded sleeve 11 is in threaded connection with the side wall of the rubber sleeve 12, the threaded sleeve 11 can be in threaded connection and installation with the rubber sleeve 12 and is made of rubber, a connecting plate 9 is fixedly connected with the side wall of the threaded sleeve 11, the connecting plate 9 has a connecting and fixing role and is made of plastic, the side wall of the connecting plate 9 is fixedly connected to the upper end of the gun head 3, the connecting assembly comprises a first connecting block 13, the first connecting block 13 can play a connecting and fixing role and is made of plastic, the first connecting block 13 is fixedly connected to the middle of the upper end of the connecting pipe 2, one end of the first connecting block 13 is provided with a connecting groove 14, the connecting groove 14 is convenient to be in threaded connection and installation with the connector 15, the connecting groove 14 is in threaded connection with the side wall of the connector 15, the limiting component comprises a vent plate 6, the vent plate 6 is convenient for air to pass through, so that liquid can be conveniently extracted, the vent plate is made of plastic, the vent plate 6 is fixedly connected to the inner wall of the connecting pipe 2, the lower end of the vent plate 6 is fixedly connected with a blocking ball 16, the blocking ball 16 can play a role in sliding and blocking and is made of rubber, a placing cavity 24 is arranged in the middle of the side wall of the connecting pipe 2 and on one side close to the blocking ball 16, the placing cavity 24 is convenient for sliding of the second connecting block 23, the number of the placing cavities 24 is two, the middle of the two placing cavities 24 is provided with the first spring 7, the elastic force of the first spring 7 can pop the second connecting block 23 out and is made of metal, the number of the first springs 7 is two, one end of each of the two first springs 7 is fixedly connected with a second connecting block 23, each second connecting block 23 can play a role in connection and sliding and is made of plastics, the number of the second connecting blocks 23 is two, the side walls of the two second connecting blocks 23 are slidably connected with the middle parts of the two placing cavities 24, one end of each of the two second connecting blocks 23 is fixedly connected with a first trapezoidal block 19, each first trapezoidal block 19 can play a role in sliding and limiting and is made of plastics, the number of the first trapezoidal blocks 19 is two, a limiting ring 18 is fixedly connected between the two second connecting blocks 23, each limiting ring 18 can play a role in sliding and limiting and is made of plastics, the side wall of each limiting ring 18 is provided with a fixing hole 17, the fixing hole 17 can be used for conveniently extracting liquid, a sliding groove 20 is arranged in the middle part of the inner wall of the connecting pipe 2 and on one side close to the placing cavities 24, the sliding grooves 20 facilitate the sliding of the second trapezoidal blocks 21, the number of the sliding grooves 20 is two, the side walls of the two first trapezoidal blocks 19 are slidably connected with the second trapezoidal blocks 21, the second trapezoidal blocks 21 can play a role in sliding and connecting and are made of plastic, the number of the second trapezoidal blocks 21 is two, the side walls of the two second trapezoidal blocks 21 are slidably connected with the middle parts of the two sliding grooves 20, the side walls of the two second trapezoidal blocks 21 are fixedly connected with connecting columns 8, the connecting columns 8 can play a role in sliding and connecting and are made of plastic, the number of the connecting columns 8 is two, the side walls of the two connecting columns 8 are connected with the two sides of the connecting pipe 2 in a penetrating and sliding manner, one ends of the two connecting columns 8 are fixedly connected with snap plates 4, the snap plates 4 facilitate the sliding of the connecting columns 8 and are made of plastic, the side walls of the two connecting columns 8 are provided with second springs 22, the elastic force of the second springs 22 can pop up the second trapezoidal blocks 21, is made of metal, the number of the second springs 22 is two, and the two second springs 22 are arranged between the second trapezoidal block 21 and the connecting pipe 2;

the utility model discloses a use as follows: when the technical personnel in the field need to use the pipette 1, firstly, the connecting pipe 2 is connected with one end of the connecting head 15 through the connecting groove 14 at one end in a threaded manner for installation and fixation, then the gun head 3 is connected with the side wall of the rubber sleeve 12 through the threaded sleeve 11 at one end in a threaded manner, the sealing effect is good, then the pipette 1 is used for extracting liquid, the gun head 3 is inserted into the liquid for extraction, when the liquid reaches the lower end of the connecting plate 9, the liquid cannot be extracted, the gun head 3 has large capacity, the high-flux liquid transfer is convenient, when the transfer is needed, the two pressing plates 4 are used for squeezing towards the middle, the connecting column 8 moves towards the middle, and drives the second trapezoidal block 21 to slide towards the middle, so as to drive the first trapezoidal block 19 of the side wall to slide upwards, the second connecting block 23 also slides upwards together, and the limiting ring 18 tightly leans against one end of the blocking ball 16, and the blocking ball 16 can block the fixing hole 17, so that air is prevented from being introduced, the phenomenon that liquid in the gun head 3 is scattered is effectively prevented, then the gun head 3 is moved, when the gun head is moved to a proper position, the pressing plate 4 is loosened, the second trapezoidal block 21 is pulled outwards by the pulling action of the second spring 22, the first spring 7 can push the first trapezoidal block 19 downwards by the elastic action, the limiting ring 18 is separated from the blocking ball 16, so that the liquid can be conveniently discharged from the gun head 3, and when the gun head 3 needs to be replaced, the gun head can be detached by twisting the gun head through the rubber sleeve 12, and the gun head is convenient and rapid.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a but rifle is arranged to liquid-transfering of high flux application of sample, includes liquid-transfering gun (1), display screen (5) are installed to the lateral wall of liquid-transfering gun (1), one end fixedly connected with connector (15) of liquid-transfering gun (1), the lateral wall threaded connection of connector (15) has connecting pipe (2), rifle head (3), its characterized in that are installed to the one end of connecting pipe (2): the middle part of the connecting pipe (2) is provided with a connecting device;

the connecting device comprises a limiting assembly and a connecting assembly, the limiting assembly is arranged in the middle of the connecting pipe (2), the connecting assembly is arranged above the limiting assembly, one end of the connecting pipe (2) is fixedly connected with the rubber sleeve (12), the middle of the rubber sleeve (12) is provided with a liquid taking hole (10) in a penetrating mode, the side wall of the rubber sleeve (12) is connected with the threaded sleeve (11) in a threaded mode, the side wall of the threaded sleeve (11) is fixedly connected with the connecting plate (9), and the side wall of the connecting plate (9) is fixedly connected to the upper end of the gun head (3).

2. A high throughput sample application pipette gun according to claim 1, wherein: coupling assembling includes first connecting block (13), first connecting block (13) fixed connection is in the upper end middle part of connecting pipe (2), the one end of first connecting block (13) is provided with spread groove (14), spread groove (14) threaded connection is on the lateral wall of connector (15).

3. A high throughput sample application pipette gun according to claim 1, wherein: spacing subassembly includes breather plate (6), breather plate (6) fixed connection is on the inner wall of connecting pipe (2), the lower extreme fixedly connected with of breather plate (6) blocks up ball (16), the lateral wall middle part of connecting pipe (2) and be close to one side of blockking up ball (16) are provided with places chamber (24), the quantity of placing chamber (24) is two.

4. A high throughput sample application pipette gun according to claim 3, wherein: two the middle part of placing chamber (24) all is provided with first spring (7), the quantity of first spring (7) is two, two the one end fixedly connected with second connecting block (23) of first spring (7), the quantity of second connecting block (23) is two, two the lateral wall sliding connection of second connecting block (23) is in two middle parts of placing chamber (24).

5. A high throughput sample application pipetting gun as recited in claim 4 wherein: two first trapezoidal piece (19) of the equal fixedly connected with in one end of second connecting block (23), the quantity of first trapezoidal piece (19) is two, two fixedly connected with spacing ring (18) between second connecting block (23), the lateral wall of spacing ring (18) is provided with fixed orifices (17), just be close to the one side of placing chamber (24) in the middle part of the inner wall of connecting pipe (2) and be provided with spout (20).

6. A high throughput sample application pipette gun according to claim 5, wherein: the number of the sliding grooves (20) is two, the side walls of the two first trapezoidal blocks (19) are connected with second trapezoidal blocks (21) in a sliding mode, the number of the second trapezoidal blocks (21) is two, and the side walls of the two second trapezoidal blocks (21) are connected to the middle portions of the two sliding grooves (20) in a sliding mode.

7. A high throughput sample application pipette gun according to claim 6, wherein: the side walls of the two second trapezoidal blocks (21) are fixedly connected with connecting columns (8), the number of the connecting columns (8) is two, and the side walls of the two connecting columns (8) are connected to the two sides of the connecting pipe (2) in a penetrating and sliding mode.

8. A high throughput sample application pipette gun according to claim 7, wherein: the pressing plate (4) is fixedly connected to one end of each of the two connecting columns (8), the second springs (22) are arranged on the side walls of the two connecting columns (8), the number of the second springs (22) is two, and the second springs (22) are arranged between the second trapezoidal blocks (21) and the connecting pipes (2).