CN211936968U

CN211936968U - Liquid transfer device for microbial detection

Info

Publication number: CN211936968U
Application number: CN201922459454.6U
Authority: CN
Inventors: 姚伟丽
Original assignee: Beijing Ming Dao Zhongyuan Bio Technology Co ltd
Current assignee: Beijing Ming Dao Zhongyuan Bio Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-17
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a microbiological inspection is with moving liquid device, including the stock solution device, the top of stock solution device is provided with the accurate liquid device that moves, the stock solution device reaches the lateral wall that the accurate liquid device that moves is provided with easy dismounting device, the accurate liquid device that moves includes ratchet. Has the advantages that: the utility model discloses a set up stock solution device and accurate liquid-transfering device, thus can move the liquid course to store microorganism liquid in safe position, and when absorbing or extruding microorganism liquid, the volume of control liquid that can be accurate, and then improve and move the accuracy of liquid capacity, be favorable to improving the accuracy of inspection; through setting up easy dismounting device to convenient quick installation and dismantlement stock solution device, and then when the microorganism liquid of transferring different inspection items, only need replace the stock solution device, and then can reduce the use of inspection material, avoid the waste on the manufacturing material.

Description

Liquid transfer device for microbial detection

Technical Field

The utility model relates to an experimental apparatus field particularly, relates to a liquid-transfering device is used in microbial testing.

Background

The device is an indispensable experimental tool for clinical examination and isotope exemption in hospitals, and experimental sampling in scientific research institutions or related enterprises and public institutions such as chemical industry, food, mines and the like, and a pipette or a suction tube is often needed for pipetting.

Need use the pipette often in the microbiological examination experiment of hospital and move the liquid, there is strict requirement to the dosage when microorganism detect reagent moves the liquid, the pipette that present microbiological examination personnel used, mostly be flat mouthful rubber pipette bulb burette, this kind of pipette is to the unable accurate control of measurement of experimental liquid, and when needs were examined multiple microorganism, need different pipettes move the liquid because of avoiding miscellaneous fungus pollution, can cause the waste on the material like this.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a liquid-transfering device is used in microbial testing to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a liquid-transfering device is used in microbial testing, includes the stock solution device, the top of stock solution device is provided with the accurate liquid-transfering device, the stock solution device reaches the lateral wall that the accurate liquid-transfering device was provided with easy dismounting device.

Further, in order to store the microbial liquid in a safe position in the liquid transferring process and provide buffer protection when the microbial liquid is absorbed, the liquid storage device comprises a dropper, a buffer tube is arranged at the top end of the dropper, and a liquid absorbing tube is arranged at the top end of the buffer tube.

Furthermore, in order to conveniently suck or extrude microorganism liquid, the precise liquid transferring device comprises a protective shell arranged at the top end of the liquid sucking pipe, a sealing ring is arranged between the protective shell and the liquid sucking pipe, a ratchet device is arranged at the top end of the protective shell, a piston is arranged in the liquid sucking pipe, a threaded rod matched with the piston is arranged on the piston, and the threaded rod penetrates through the protective shell and the ratchet device and extends to the top end of the ratchet device.

Furthermore, in order to absorb or extrude the microbial liquid, the amount of control liquid that can be accurate, and then improve the accuracy of moving liquid capacity, be favorable to improving the accuracy of inspection, ratchet is including setting up the connection cavity on protective housing top, the one end of connecting the cavity is provided with the ratchet, the top of ratchet be provided with threaded rod matched with handle one, the other end symmetry of connecting the cavity is provided with two sets of pawls, and is two sets of the pawl with be provided with the spring between the inside lateral wall of connection cavity, it is two sets of be provided with the direction adjustment spanner between the pawl.

Furthermore, the liquid storage device is convenient and rapid to mount and dismount, so that when transferring microorganism liquid of different inspection items, only the liquid storage device needs to be replaced, thereby reducing the use of inspection materials and avoiding the waste of manufacturing materials, the easy-to-disassemble device comprises a shell body which is fixedly arranged at the two sides of the outer wall of the protective shell, a connecting shaft is arranged at one end inside the shell, a pressing block is arranged inside the shell, a connecting hole is arranged at one end of the pressing block close to the connecting shaft, the connecting shaft is connected with the connecting hole, a torsion spring is arranged in the connecting hole and on the circumference of the connecting shaft, one end of the shell close to the connecting shaft is provided with a convex block, one end of the torsion spring is connected with the convex block, the pressing block is close to one end inside the shell and is provided with a tooth groove I, and one end, far away from the connecting shaft, of the pressing block is provided with a handle II.

Further, convenient quick installation and dismantlement stock solution device to when shifting the microorganism liquid of different inspection items, only need replace the stock solution device, and then can reduce inspection material's use, avoid the waste on the manufacturing material, quick detachable device is still including setting up the L template of imbibition pipe outer wall, be provided with on the lateral wall that the L template is close to the outside with tooth's socket two matched with.

The utility model has the advantages that:

(1) the utility model discloses a set up stock solution device and accurate liquid-transfering device to can move the liquid in-process and store microorganism liquid in safe position moving, and when absorbing or extruding microorganism liquid, the volume of control liquid that can be accurate, and then improve the accuracy of moving the liquid capacity, be favorable to improving the accuracy of inspection.

(2) Through setting up easy dismounting device to convenient quick installation and dismantlement stock solution device, and then when the microorganism liquid of transferring different inspection items, only need replace the stock solution device, and then can reduce the use of inspection material, avoid the waste on the manufacturing material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a liquid transfer device for microorganism testing according to an embodiment of the present invention;

fig. 2 is a front view of a pipette device for microorganism testing according to an embodiment of the present invention;

fig. 3 is a partial enlarged view at a of fig. 2;

fig. 4 is a schematic structural diagram of a ratchet device of a liquid-transfering device for microorganism testing according to an embodiment of the present invention.

In the figure:

1. a liquid storage device; 101. a dropper; 102. a buffer tube; 103. a pipette; 2. a precision pipetting device; 201. a protective shell; 202. a seal ring; 203. a ratchet gear; 204. a piston; 205. a threaded rod; 206. connecting the cavity; 207. a ratchet wheel; 208. a first handle; 209. a pawl; 210. a spring; 211. a direction adjustment wrench; 3. an easily detachable device; 301. a housing; 302. a connecting shaft; 303. briquetting; 304. connecting holes; 305. a torsion spring; 306. a bump; 307. a first tooth groove; 308. a second handle; 309. an L-shaped plate; 310. and a second tooth groove.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a liquid-transfering device is used in microbiological examination.

Now combine the attached drawing and detailed description to explain the utility model further, as shown in fig. 1-4, according to the utility model discloses a liquid-transfering device is used in microbial testing, including stock solution device 1, the top of stock solution device 1 is provided with accurate liquid-transfering device 2, stock solution device 1 reaches the lateral wall of accurate liquid-transfering device 2 is provided with quick detachable device 3.

With the aid of the above scheme, the utility model discloses can improve the accuracy of moving liquid capacity, be favorable to improving the accuracy of inspection and make things convenient for quick installation and dismantlement stock solution device, and then can reduce the use of inspection material, avoid the waste on the preparation material.

In one embodiment, with the liquid storage device 1, the liquid storage device 1 comprises a dropper 101, the top end of the dropper 101 is provided with a buffer tube 102, and the top end of the buffer tube 102 is provided with a pipette 103, so that the microbial liquid is stored in a safe position during pipetting, and buffer protection is provided when the microbial liquid is sucked.

In one embodiment, for the above-mentioned precision pipetting device 2, the precision pipetting device 2 comprises a protective shell 201 disposed at the top end of the pipette 103, a sealing ring 202 is disposed between the protective shell 201 and the pipette 103, a ratchet device 203 is disposed at the top end of the protective shell 201, a piston 204 is disposed in the pipette 103, a threaded rod 205 is disposed on the piston 204 and is matched with the piston, and the threaded rod 205 penetrates through the protective shell 201 and the ratchet device 203 and extends to the top end of the ratchet device 203, so that microbial liquid can be conveniently sucked or squeezed out.

In an embodiment, for the ratchet device 203, the ratchet device 203 comprises a connecting cavity 206 arranged at the top end of the protective shell 201, a ratchet 207 is arranged at one end of the connecting cavity 206, a first handle 208 matched with the threaded rod 205 is arranged at the top end of the ratchet 207, two sets of pawls 209 are symmetrically arranged at the other end of the connecting cavity 206, a spring 210 is arranged between the two sets of pawls 209 and the inner side wall of the connecting cavity 206, and a direction adjusting wrench 211 is arranged between the two sets of pawls 209, so that when a microbial liquid is sucked or extruded, the amount of the liquid can be accurately controlled, the accuracy of pipetting capacity is further improved, and the accuracy of inspection is improved.

In one embodiment, for the above quick release device 3, the quick release device 3 includes a housing 301 fixed on two sides of the outer wall of the protective housing 201, a connecting shaft 302 is disposed at one end inside the housing 301, a pressing block 303 is disposed inside the housing 301, a connecting hole 304 is disposed at one end of the pressing block 303 close to the connecting shaft 302, the connecting shaft 302 is connected to the connecting hole 304, a torsion spring 305 is disposed in the connecting hole 304 and on the circumference of the connecting shaft 302, a protruding block 306 is disposed at one end of the housing 301 close to the connecting shaft 302, one end of the torsion spring 305 is connected to the protruding block 306, a tooth socket 307 is disposed at one end of the pressing block 303 close to the inside of the housing 301, a handle two 308 is disposed at one end of the pressing block 303 far from the connecting shaft 302, so as to facilitate quick mounting and dismounting of the liquid, therefore, when transferring the microbial liquid of different test items, only the liquid storage device 1 needs to be replaced, the use of test materials can be reduced, and the waste of manufacturing materials is avoided.

In an embodiment, for the above quick detachable device 3, the quick detachable device 3 further includes an L-shaped plate 309 disposed on the outer wall of the pipette 103, and a second tooth socket 310 matched with the first tooth socket 307 is disposed on the side wall of the L-shaped plate 309 near the outer side, so that the liquid storage device 1 can be mounted and dismounted conveniently and quickly, and when transferring microorganism liquids of different inspection items, only the liquid storage device 1 needs to be replaced, thereby reducing the use of inspection materials and avoiding waste of manufacturing materials.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, in the process of liquid suction, the wrench 211 is adjusted by dialing the direction, so that one group of pawls 209 are close to the ratchet wheel 207, the other group of pawls 209 are far away from the ratchet wheel 207, at the moment, the first handle 208 drives the ratchet wheel 207 and the threaded rod 205 to rotate, and the threaded rod 205 drives the piston 204 to move upwards through rotation to suck microbial liquid; during the process of extruding the liquid, the direction of the toggle direction adjusting wrench 211 is moved to the other side, so that one group of the pawls 209 which are originally far away from the ratchet wheel 207 are close to the ratchet wheel 207, the other group of the pawls are correspondingly far away from the ratchet wheel 207, at the moment, the ratchet wheel 207 and the threaded rod 205 are driven to rotate by the first handle 208, and the threaded rod 205 drives the piston 204 to move downwards through rotation, so that the microbial liquid is extruded. In the above process, the pawl 209 makes a sound while passing through each tooth groove on the circumference of the ratchet wheel 207, so that the up-and-down movement of the piston is precisely controlled by the sound, and the liquid suction and the liquid squeezing are precisely controlled.

When other inspection items need to be carried out, the second handle 308 is pulled to separate the first tooth groove 307 from the second tooth groove 310, then the protective shell 201 is separated from the liquid storage device 1, when a new liquid storage device 1 is replaced, after the second tooth groove 310 enters the shell 301, the first tooth groove 307 and the second tooth groove 310 are meshed together under the action of the torsion spring 305, and at the moment, the protective shell 201 is fixed with the liquid storage device 1.

To sum up, with the help of the above technical scheme of the utility model, move liquid device 2 through setting up stock solution device 1 and accuracy to can store microorganism liquid in safe position moving the liquid in-process, and when absorbing or extruding microorganism liquid, the volume of control liquid that can be accurate, and then improve the accuracy of moving liquid capacity, be favorable to improving the accuracy of inspection. Through setting up quick detachable device 3 to convenient quick installation and dismantlement stock solution device 1, and then when transferring the microorganism liquid of different inspection items, only need replace stock solution device 1, and then can reduce the use of inspection material, avoid the waste on the preparation material.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a liquid-transfering device for microbial testing, its characterized in that, includes stock solution device (1), the top of stock solution device (1) is provided with accurate liquid-transfering device (2), stock solution device (1) and the lateral wall of accurate liquid-transfering device (2) is provided with readily removable device (3).

2. A pipette device for microorganism testing according to claim 1, wherein the liquid storage device (1) comprises a dropper (101), a buffer tube (102) is arranged at the top end of the dropper (101), and a pipette (103) is arranged at the top end of the buffer tube (102).

3. A pipetting device for microorganism examination according to claim 2, characterized in that the precision pipetting device (2) comprises a protective casing (201) arranged at the top end of the pipette (103), a sealing ring (202) is arranged between the protective casing (201) and the pipette (103), a ratchet device (203) is arranged at the top end of the protective casing (201), a piston (204) is arranged in the pipette (103), a threaded rod (205) is arranged on the piston (204) and is matched with the piston, and the threaded rod (205) penetrates through the protective casing (201) and the ratchet device (203) and extends to the top end of the ratchet device (203).

4. A liquid transfer device for microorganism examination according to claim 3, characterized in that the ratchet wheel device (203) comprises a connecting cavity (206) arranged at the top end of the protective shell (201), a ratchet wheel (207) is arranged at one end of the connecting cavity (206), a first handle (208) matched with the threaded rod (205) is arranged at the top end of the ratchet wheel (207), two sets of pawls (209) are symmetrically arranged at the other end of the connecting cavity (206), a spring (210) is arranged between the two sets of pawls (209) and the inner side wall of the connecting cavity (206), and a direction adjusting wrench (211) is arranged between the two sets of pawls (209).

5. The liquid transfer device for the microbial examination is characterized in that the easy dismounting device (3) comprises a shell (301) fixed on two sides of the outer wall of the protective shell (201), a connecting shaft (302) is arranged at one end inside the shell (301), a pressing block (303) is arranged inside the shell (301), a connecting hole (304) is arranged at one end, close to the connecting shaft (302), of the pressing block (303), the connecting shaft (302) is connected with the connecting hole (304), a torsion spring (305) is arranged in the connecting hole (304) and on the circumference of the connecting shaft (302), a convex block (306) is arranged at one end, close to the connecting shaft (302), of the shell (301), one end of the torsion spring (305) is connected with the convex block (306), a tooth socket I (307) is arranged at one end, close to the inside of the shell (301), of the pressing block (303), one end of the pressing block (303) far away from the connecting shaft (302) is provided with a second handle (308).

6. The pipetting device for microorganism examination according to claim 5, characterized in that the easy dismounting device (3) further comprises an L-shaped plate (309) arranged on the outer wall of the pipette (103), and a second tooth socket (310) matched with the first tooth socket (307) is arranged on the side wall of the L-shaped plate (309) close to the outer side.