CN212560249U

CN212560249U - Inoculating loop for microbial culture in microbial detection

Info

Publication number: CN212560249U
Application number: CN201922104606.0U
Authority: CN
Inventors: 周小楠; 许国飞; 吴艳红; 朱涛
Original assignee: Wannan Medical College
Current assignee: Wannan Medical College
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2021-02-19
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses an transfering loop for microbial cultivation among microbial detection, including holding unit, centre gripping unit and sample cell, it includes thief rod and antislip strip to hold the unit, the thief rod is cylindricly. The utility model discloses hold the thief rod, only need press the pressing plate, promote spacing hoop sample parts one side through the slide bar and remove, and during spacing hoop sample parts one side removed, the inside reset spring two that receive the compression of a pair of grip block makes two grip blocks remove in opposite directions, at this moment can put into between two grip blocks with the round platform piece and the part connecting rod of sample parts, then the thumb loosens the pressing plate, receive the effort of reset spring one, make spacing hoop press the pressing plate one to remove, thereby promote two grip blocks and draw close each other and fix the one end at the thief rod with sample parts, realize directly changing the sampling head, it is cool to wait for flame sterilization to air, the time is saved, avoid flame sterilization not thoroughly to arouse secondary pollution.

Description

Inoculating loop for microbial culture in microbial detection

Technical Field

The utility model relates to an inoculating loop technical field, specificly relate to an inoculating loop that is arranged in microorganism to detect microorganism and cultivates.

Background

The inoculating loop is a laboratory appliance widely applied to the fields of microbial detection, cell biology and molecular biology, and at present, inoculating loops adopted in laboratories can be divided into two types according to material classification: a metal inoculating loop; the two inoculating loops are plastic disposable inoculating loops, and have the defects that a tester needs to burn and sterilize the inoculating loops for many times for a metal inoculating loop, and when a ring or a ring wire used for specific inoculation on the inoculating loop is burned and sterilized, infection is easily caused when the sterilization is not thorough, the inoculating effect is finally influenced, and a large amount of time is wasted for waiting for cooling when the inoculating loop is reused; the disposable inoculating loop is made of plastic and can only be used once, the using part of the inoculating loop is relatively small as a whole, the whole utilization rate is low, the environment is greatly loaded, and the inoculating loop is light and thin, is not easy to control and is not easy to obtain ideal lines.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide an transfering loop that is arranged in microbial detection microorganism to cultivate to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

an inoculating loop for culturing microorganisms in microorganism detection comprises a holding unit, a clamping unit and a sampling unit, wherein the holding unit comprises a sampling rod and anti-slip strips, the sampling rod is cylindrical, the outer side of the sampling rod is uniformly provided with four anti-slip strips along the circumferential direction of the sampling rod, the inner part of each anti-slip strip is provided with a sliding groove in a penetrating manner along the length direction of the anti-slip strip, and the central position of one end of the sampling rod is provided with a positioning groove;

the clamping unit comprises a limiting component and a clamping component, the limiting component comprises a positioning rod, a pressing plate, a first reset spring, a sliding rod and a limiting ring, the positioning rod is arranged in the positioning groove in a sliding mode, one end of the positioning rod extends to one end of the sampling rod and is fixedly connected with the pressing plate, the first reset spring is arranged between the pressing plate and the sampling rod outside the positioning rod, the sliding rod is vertically arranged on the side wall of the pressing plate on one side of the sliding groove, one ends of the four sliding rods, far away from the pressing plate, penetrate through the corresponding sliding grooves respectively and extend to the other end of the sampling rod and are fixedly connected with the limiting ring, the clamping component is arranged on the inner side of the limiting ring and comprises a clamping block and a second reset spring, one end of the sampling rod on the inner side of the limiting ring is symmetrically provided with a pair of clamping blocks in a sliding mode, and the middle positions, far, a conical groove is formed in the clamping block at the tail end of the semicircular groove, spring grooves are formed in the middle positions of the opposite sides of one ends of the pair of clamping blocks close to the sampling rod, and a second reset spring is arranged in the two spring grooves;

the sampling unit comprises a sampling head, a connecting rod and a circular truncated cone block, wherein the connecting rod is arranged on one side of the sampling head, the circular truncated cone block is arranged at one end, away from the sampling head, of the connecting rod, and the sampling head, the connecting rod and the circular truncated cone block are integrally formed.

Preferably, the clamping part is in a circular truncated cone shape, and the inner diameter of the limiting ring is equal to the maximum radius of the clamping part.

Preferably, the accommodating cavity formed by the two semicircular grooves is matched with the connecting rod.

Preferably, the accommodating cavity formed by the two conical grooves is matched with the circular truncated cone block.

Preferably, the stiffness coefficient of the first return spring is larger than that of the second return spring.

3. Advantageous effects

1. The utility model discloses the thief rod is cylindricly, and the outside of thief rod evenly sets up four antislip strips along its circumferencial direction, and the inside of antislip strip link up along its length direction and set up the sliding tray, and during the application, the antislip strip that the thief rod outside evenly set up prevents when the sample, and the thief rod landing to the sliding tray of the inside setting of antislip strip provides slide passage for the sliding bar, is convenient for adjust spacing part, changes the sampling part.

2. The utility model is provided with a positioning rod which is arranged inside a positioning groove in a sliding way, one end of the positioning rod extends to one end of a sampling rod and is fixedly connected with a pressing plate, a reset spring I is arranged between the pressing plate outside the positioning rod and the sampling rod, the side wall of the pressing plate on one side of a sliding groove is vertically provided with a sliding rod, one end of each sliding rod far away from the pressing plate respectively penetrates through the corresponding sliding groove and extends to the other end of the sampling rod and is fixedly connected with a spacing ring, a clamping part is arranged on the inner side of the spacing ring, one end of the sampling rod on the inner side of the spacing ring is symmetrically provided with a pair of clamping blocks, the middle positions of the pair of clamping blocks far away from one end of the sampling rod and opposite to one end are all provided with semicircular grooves, the clamping blocks at the tail end of the semicircular grooves are internally provided with conical grooves, the, when the sampling device is applied, a sampling rod is held by a hand, a thumb presses a pressing plate to enable the pressing plate to compress a reset spring and drive four sliding rods to move together, then the four sliding rods push a limiting ring to move towards one side of the sampling component, the clamping component is in a circular table shape, the inner diameter of the limiting ring is equal to the maximum radius of the clamping component, and when the limiting ring moves towards one side of the sampling component, a reset spring II compressed inside a pair of clamping blocks of the clamping component enables the two clamping blocks to move oppositely, at the moment, the circular table block and part of connecting rods of the sampling component can be placed between the two clamping blocks, then the thumb releases the pressing plate, and the limiting ring moves towards the first pressing plate under the action force of the first reset spring, so that the circular table block moves along the inclined planes of the clamping blocks, promote two grip blocks and draw close each other and fix the one end at the thief rod with the sampling element, directly change the sampling head now, need not wait flame sterilization and dry in the air cool, saved the time, avoid flame sterilization not thoroughly to arouse secondary pollution, and simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the stop collar of the present invention.

Reference numerals: 1-pressing plate, 2-first return spring, 3-positioning rod, 4-positioning groove, 5-antislip strip, 51-sliding groove, 6-sampling rod, 7-second return spring, 8-clamping block, 9-circular table block, 10-semicircular groove, 11-sampling head, 12-connecting rod, 13-conical groove, 14-limiting ring, 15-spring groove and 16-sliding rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

The inoculating loop for culturing microorganisms in microorganism detection shown in fig. 1-3 comprises a holding unit, a clamping unit and a sampling unit, wherein the holding unit comprises a sampling rod 6 and anti-slip strips 5, the sampling rod 6 is cylindrical, four anti-slip strips 5 are uniformly arranged on the outer side of the sampling rod 6 along the circumferential direction of the sampling rod, a sliding groove 51 is formed in the anti-slip strips 5 in a penetrating manner along the length direction of the anti-slip strips, and a positioning groove 4 is formed in the center of one end of the sampling rod 6;

the clamping unit comprises a limiting component and a clamping component, the limiting component comprises a positioning rod 3, a pressing plate 1, a first reset spring 2, a sliding rod 16 and a limiting ring 14, the positioning rod 3 is arranged in a positioning groove 4 in a sliding mode, one end of the positioning rod 3 extends to one end of a sampling rod 6 and is fixedly connected with the pressing plate 1, the first reset spring 2 is arranged between the pressing plate 1 and the sampling rod 6 on the outer side of the positioning rod 3, the sliding rod 16 is vertically arranged on the side wall of the pressing plate 1 on one side of a sliding groove 51, one ends of the four sliding rods 16 far away from the pressing plate 1 respectively penetrate through the corresponding sliding grooves 51 and extend to the other end of the sampling rod 6 and are fixedly connected with the limiting ring 14, the clamping component is arranged on the inner side of the limiting ring 14 and is in a circular table shape, the inner diameter of the limiting ring 14 is equal to the maximum radius of the clamping component, the clamping component comprises a clamping block 8 and a second, the middle positions of opposite sides of one ends, far away from the sampling rod 6, of the clamping blocks 8 are provided with semicircular grooves 10, conical grooves 13 are formed in the clamping blocks 8 at the tail ends of the semicircular grooves 10, spring grooves 15 are formed in the middle positions, close to opposite sides of one ends, close to the sampling rod 6, of the clamping blocks 8, return springs II 7 are arranged in the two spring grooves 15, and the stiffness coefficient of the return springs I2 is larger than that of the return springs II 7;

the sampling unit comprises a sampling head 11, a connecting rod 12 and a circular truncated cone block 9, wherein the connecting rod 12 is arranged on one side of the sampling head 11, the circular truncated cone block 9 is arranged at one end, far away from the sampling head 11, of the connecting rod 12, the sampling head 11, the connecting rod 12 and the circular truncated cone block 9 are integrally formed, a containing cavity formed by two semicircular grooves 10 is matched with the connecting rod 12, and a containing cavity formed by two conical grooves 13 is matched with the circular truncated cone block 9.

The working principle is as follows: when the sampling device is used, the anti-slip strips 5 are uniformly arranged on the outer side of the sampling rod 6 to prevent the sampling rod 6 from sliding off during sampling, the sliding grooves 51 arranged in the anti-slip strips 5 provide sliding channels for the sliding rods 16 to facilitate adjustment of the limiting parts and replacement of the sampling parts, when the sampling parts need to be replaced, one end of the sampling rod 6 close to the pressing plate 1 is held by a hand, the pressing plate 1 is pressed by a thumb to enable the pressing plate 1 to compress the first reset spring 2 and drive the four sliding rods 16 to move, so that the four sliding rods 16 push the limiting ring 14 to move towards one side of the sampling parts, because the clamping parts are in a circular truncated cone shape, the inner diameter of the limiting ring 14 is equal to the maximum radius of the clamping parts, when the limiting ring 14 moves towards one side of the sampling parts, the two clamping blocks 8 move towards each other due to the second reset springs 7 compressed in the pair of clamping blocks 8 of the clamping parts, and at this time, the circular truncated cone blocks, then the thumb loosens and presses down board 1, receives reset spring 2's effort for spacing ring 14 removes to pressing down board 1 one end, and then makes spacing ring 14 promote a pair of grip block 8 inclined planes, thereby promotes two grip blocks 8 and draws close each other and fix the one end at thief rod 6 with the sampling part, realizes directly changing the sample connection, need not wait flame sterilization and dry in the air cool, saved the time, avoid flame sterilization thoroughly to arouse secondary pollution, and simple structure, convenient to use.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The inoculating loop for microbial cultivation in microbial detection is characterized by comprising a holding unit, a clamping unit and a sampling unit, wherein the holding unit comprises a sampling rod (6) and anti-slip strips (5), the sampling rod (6) is cylindrical, the outer side of the sampling rod (6) is uniformly provided with four anti-slip strips (5) along the circumferential direction of the sampling rod, the inner part of each anti-slip strip (5) is provided with a sliding groove (51) in a through manner along the length direction of the anti-slip strip, and a positioning groove (4) is arranged at the central position of one end of the sampling rod (6);

the clamping unit comprises a limiting component and a clamping component, the limiting component comprises a positioning rod (3), a pressing plate (1), a first reset spring (2), a sliding rod (16) and a limiting ring (14), the positioning rod (3) is arranged in the positioning groove (4) in a sliding mode, one end of the positioning rod (3) extends to one end of the sampling rod (6) and is fixedly connected with the pressing plate (1), the first reset spring (2) is arranged between the pressing plate (1) and the sampling rod (6) on the outer side of the positioning rod (3), the sliding rod (16) is vertically arranged on the side wall of the pressing plate (1) on one side of the sliding groove (51), one ends of the four sliding rods (16) far away from the pressing plate (1) respectively penetrate through the corresponding sliding grooves (51) and extend to the other end of the sampling rod (6) and are fixedly connected with the limiting ring (14), and the clamping component is arranged on the inner side of the limiting ring (, the clamping component comprises a clamping block (8) and a second reset spring (7), one end of the sampling rod (6) on the inner side of the limiting ring (14) is symmetrically provided with a pair of clamping blocks (8) in a sliding manner, the middle positions of the opposite sides of one ends of the pair of clamping blocks (8) far away from the sampling rod (6) are both provided with a semicircular groove (10), a conical groove (13) is formed in the clamping block (8) at the tail end of the semicircular groove (10), the middle positions of the opposite sides of one ends of the pair of clamping blocks (8) close to the sampling rod (6) are both provided with a spring groove (15), and the second reset spring (7) is arranged in the two spring grooves (15);

the sampling unit comprises a sampling head (11), a connecting rod (12) and a circular truncated cone block (9), wherein the connecting rod (12) is arranged on one side of the sampling head (11), the circular truncated cone block (9) is arranged at one end, far away from the sampling head (11), of the connecting rod (12), and the sampling head (11), the connecting rod (12) and the circular truncated cone block (9) are integrally formed.

2. An inoculating loop for culturing microorganisms in the detection of microorganisms, according to claim 1, characterized in that the clamping part is in the shape of a circular truncated cone, and the inner diameter of the limiting loop (14) is equal to the maximum radius of the clamping part.

3. An inoculating loop for the culture of microorganisms in the detection of microorganisms, according to claim 1, characterized in that the housing cavity formed by the two semicircular grooves (10) is matched with the connecting rod (12).

4. An inoculating loop for the culture of microorganisms in the detection of microorganisms, according to claim 1, characterized in that the receiving cavity formed by two conical grooves (13) is matched with a circular truncated cone (9).

5. An inoculating loop for use in microbiological detection applications according to claim 1 characterised in that the stiffness coefficient of the return spring one (2) is greater than the stiffness coefficient of the return spring two (7).