CN217786651U

CN217786651U - Be used for barreled quality of water microbiological detection to use sampling device

Info

Publication number: CN217786651U
Application number: CN202222076314.2U
Authority: CN
Inventors: 英瑜
Original assignee: Qingdao Institutes For Food And Drug Control (qingdao Center Fro Adr Monitoring Qingdao Laboratory Animal And Animal Experimental Center)
Current assignee: Qingdao Institutes For Food And Drug Control (qingdao Center Fro Adr Monitoring Qingdao Laboratory Animal And Animal Experimental Center)
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-11
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a microbiological detection technical field discloses a be used for barreled quality of water sampling device for microbiological detection, the front side terminal surface mark of a measurement section of thick bamboo has the scale, the bottom of transmission guide arm is provided with the negative pressure and glues the head, it passes through transmission connecting rod and arm power push rod to press down the handle and is connected, the inboard of handling the handle is close to the one end symmetry of ending the position rack and is provided with reset spring, reset spring's top is provided with the push handle seat. The utility model discloses a handle positioning mechanism is to the measurement location of a measurement section of thick bamboo, and the staff of being convenient for in one aspect of it handles and uses sampling device, reduces and controls intensity, and on the other hand can be convenient for the staff to carry out accurate sample work to the quality of water of the different degree of depth, improves sample flexibility, multifunctionality, and when the sample, presses through the handle of sampling mechanism, negative pressure extraction formula sample, has simply, efficient sampling characteristic, can be convenient carry out sample work to quality of water.

Description

Be used for barreled quality of water microbiological detection to use sampling device

Technical Field

The utility model relates to a microbiological detection technical field specifically is a be used for barreled quality of water sampling device for microbiological detection.

Background

Water is a source of life, people can not be boiled in life and production activities, the quality of life drinking water is closely related to human health, along with the development of social economy, scientific progress and improvement of the living standard of people, the requirement of people on the quality of life drinking water is continuously improved, the standard of the quality of drinking water is correspondingly continuously developed and perfected, the drinking water mainly considers the influence on human health, the water quality standard comprises physical indexes and chemical indexes and also comprises microbial indexes, a plurality of containers for containing the drinking water, such as barreling, canning, bottling and the like, wherein the barreling is used as a common container for the drinking water, the drinking water is usually contained in a large barrel form, when a barrel crack occurs in an accident, the barrel crack is in contact with the external environment, microorganisms are easily grown in the barrel, and therefore when the barrel crack occurs, the condition of the microorganisms in the barrel needs to be sampled and detected in time to ensure the purity of the water.

However, most of the existing sampling devices for detecting the microorganisms in the barreled water can only sample surface water, and cannot sample water with different depths in the barrel, so that the sampling detection accuracy is poor. Accordingly, one skilled in the art provides a sampling device for microbiological testing of water quality in a tank to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for barreled quality of water sampling device for microbiological detection to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling device for detecting microorganisms in barreled water quality comprises a sampling mechanism and a handle positioning mechanism;

the sampling mechanism comprises a metering cylinder, a scale is marked on the end face of the front side of the metering cylinder, a transmission cavity and a sampling cavity are sequentially formed in the inner side of the metering cylinder from top to bottom, a handle frame is arranged at the upper port of the transmission cavity, a compression spring is arranged at the position, located at the bottom end, of the inner side of a transmission connecting rod, a transmission guide rod is clamped in the cavity extending into the sampling cavity in a penetrating mode in the inner side of the compression spring, a negative pressure rubber head is arranged at the bottom end of the transmission guide rod, an arm force push rod is arranged at the top end of the transmission guide rod, a pressing handle is connected to the arm force top end of the handle frame, and the pressing handle is connected with the arm force push rod through the transmission connecting rod;

handle positioning mechanism includes that the cuff is in the handle of handling and embedding setting at the position rack that ends of measuring cylinder one side in the measuring cylinder outside, the inboard one end symmetry that is close to the position rack of handling the handle is provided with reset spring, reset spring's top is provided with pushes away the handle seat, the top of pushing away the handle seat is run through and is handled the handle and be provided with and push away the handle, and pushes away the top output of handle seat and just is provided with the position tooth seat to the one end of ending the position rack.

As a further aspect of the present invention: the other side of the metering cylinder is provided with a guide sliding groove, the inner side of the operating handle is provided with a guide sliding block right opposite to the port of the guide sliding groove, and the metering cylinder and the operating handle are clamped in a guide mode through the guide sliding groove and the guide sliding block.

As a further aspect of the present invention: the tooth of the stop tooth seat is meshed with the tooth of the stop rack, and the length of the stop rack is the same as the mark length of the scale.

As the utility model discloses further scheme again: the outer diameter of the transmission guide rod is matched with the inner diameter of the compression spring, and the transmission guide rod is elastically clamped with the metering cylinder through the compression spring.

As a further aspect of the present invention: the negative pressure rubber head is made of natural rubber and is of a cylindrical structure, the negative pressure rubber head and the sampling chamber are mutually clamped in an interference manner,

as a further aspect of the present invention: and a sampling needle is connected to a bottom port of the sampling chamber.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a handle positioning mechanism is to the measurement location of a measurement section of thick bamboo, and the staff of being convenient for in one aspect of it handles and uses sampling device, reduces and controls intensity, and on the other hand can be convenient for the staff to carry out accurate sample work to the quality of water of the different degree of depth, improves sample flexibility, multifunctionality, and when the sample, presses through the handle of sampling mechanism, negative pressure extraction formula sample, has simply, efficient sampling characteristic, can be convenient carry out sample work to quality of water.

Drawings

FIG. 1 is a schematic structural view of a sampling device for microorganism detection of barreled water quality;

FIG. 2 is a schematic structural diagram of a sampling mechanism of a sampling device for detecting microorganisms in barreled water;

fig. 3 is a schematic structural diagram of a handle positioning mechanism in a sampling device for detecting microorganisms in barreled water.

In the figure: 1. a metering drum; 2. an arm power push rod; 3. pressing the handle; 4. a transmission connecting rod; 5. a handle frame; 6. a graduated scale; 7. a handle is operated; 8. a stop rack; 9. a sampling needle; 10. a transmission chamber; 11. a compression spring; 12. a transmission guide rod; 13. a negative pressure rubber head; 14. a sampling chamber; 15. a guide slider; 16. a guide chute; 17. a stop tooth holder; 18. a push handle seat; 19. a handle is pushed; 20. a return spring.

Detailed Description

Please refer to fig. 1-3, the embodiment of the present invention provides a sampling device for barreled water quality microorganism detection, the sampling device is composed of a sampling mechanism and a handle positioning mechanism, the sampling mechanism includes a metering cylinder 1, a scale 6 is marked on the front end face of the metering cylinder 1, and the inner side of the metering cylinder 1 has been sequentially provided with a transmission cavity 10 and a sampling cavity 14 from top to bottom, the upper port of the transmission cavity 10 is provided with a handle frame 5, and the inner side of the transmission connecting rod 4 is located at the bottom position and provided with a compression spring 11, the inner side of the compression spring 11 runs through the cavity inside clamping extending to the sampling cavity 14 and is provided with a transmission guide rod 12, the outer diameter of the transmission guide rod 12 is adapted to the inner diameter of the compression spring 11, and the transmission guide rod 12 is elastically clamped with the metering cylinder 1 through the compression spring 11, after the sampling needle 9 reaches the designated position, the worker presses the pressing handle 3, the transmission connecting rod 4 is pushed to rotate, the transmission connecting rod 4 rotates in the rotating process, the rotary thrust is converted into a longitudinal thrust, the push arm force push rod 2 moves downwards, and then the arm force push the push rod 12 moves downwards while the arm push the push rod 2 moves downwards, and the negative pressure rubber head 13 slides downwards synchronously.

The bottom of transmission guide arm 12 is provided with negative pressure rubber head 13, and the top of transmission guide arm 12 is provided with arm power push rod 2, the arm power top of handle frame 5 is connected with presses handle 3, press handle 3 and be connected with arm power push rod 2 through transmission connecting rod 4, negative pressure rubber head 13 adopts the natural rubber material component, and negative pressure rubber head 13 is the cylindrical structure, negative pressure rubber head 13 and sample cavity 14 mutual interference block, the bottom port of sample cavity 14 is connected with sampling needle 9, negative pressure rubber head 13 is when the downward movement, extrude the inside air of sample cavity 14 and a small amount of quality of water through sampling needle 9, then when pressing handle 3 pressure to furthest, the staff loosens and presses handle 3, transmission guide arm 12 is under compression spring 11's the support that resets, the removal that resets upwards, drive negative pressure rubber head 13 synchronous upward movement, make the inside negative pressure state that forms of sample cavity 14, carry out the negative pressure extraction work to appointed quality of water through sampling needle 9, will extract to the sample cavity 14 in, then the staff takes out metering cylinder 1, carry out quality of water to the little biological detection work of water of taking a sample.

The handle positioning mechanism comprises a handling handle 7 sleeved outside the metering cylinder 1 and a stop rack 8 embedded in one side of the metering cylinder 1, a return spring 20 is symmetrically arranged at one end, close to the stop rack 8, of the inner side of the handling handle 7, a push handle seat 18 is arranged at the top end of the return spring 20, a push handle 19 is arranged above the push handle seat 18 and penetrates through the handling handle 7, a stop tooth seat 17 is arranged at one end, opposite to the stop rack 8, of the top output end of the push handle seat 18, a guide sliding chute 16 is arranged at the other side of the metering cylinder 1, a guide sliding block 15 is arranged at the port, opposite to the guide sliding chute 16, of the inner side of the handling handle 7, the metering cylinder 1 and the handling handle 7 are in guide clamping through the guide sliding chute 16 and the guide sliding block 15, teeth of the stop tooth seat 17 are meshed with teeth of the stop rack 8, the rack length of the stop rack 8 is the same as the mark length of the scale 6, when carrying out microorganism detection on the water quality of a barrel with a split opening, a worker holds the handle 7 by hand, places the handle 7 at the position of the barrel opening, and simultaneously makes the sampling needle 9 at the bottom of the metering barrel 1 downward, so as to probe the metering barrel 1 into the water, synchronously pushes the push handle 19 according to the depth to be measured, so that the stop tooth seat 17 on the push handle seat 18 is moved away from the stop rack 8, the locking state is released, then under the guiding clamping of the guide chute 16 and the guide slide block 15, the worker pushes the metering barrel 1 to move down on the handle 7, the metering barrel 1 is probed into the water by the appointed depth through the mark of the graduated scale 6, after the sampling needle 9 at the bottom of the metering barrel 1 reaches the appointed position, the push handle 19 is released, the stop tooth seat 17 on the push handle seat 18 is locked on the stop rack 8 again under the resetting push of the reset spring 20, and (5) extracting and sampling the water quality at the specified depth.

The utility model discloses a theory of operation is: when carrying out microorganism detection on the water quality of a barrel with a crack, a worker holds the handle 7 by hand, places the handle 7 at the position of the barrel opening, simultaneously enables the sampling needle head 9 at the bottom of the metering cylinder 1 to face downwards, further probes the metering cylinder 1 into the water, synchronously pushes the push handle 19 according to the depth to be measured, enables the stop tooth seat 17 on the push handle seat 18 to move away from the stop rack 8, releases the locking state, then under the guiding clamping of the guiding chute 16 and the guiding slide block 15, the worker pushes the metering cylinder 1 to move downwards on the handling handle 7, probes the metering cylinder 1 into the water at the appointed depth through the mark of the graduated scale 6, after the sampling needle head 9 at the bottom of the metering cylinder 1 reaches the appointed position, releases the push handle 19, the stop tooth seat 17 on the push handle seat 18 is re-locked on the stop rack 8 under the resetting push of the resetting spring 20, and samples the water quality at the appointed depth, after the sampling needle 9 reaches a designated position, a worker presses the pressing handle 3 to push the transmission connecting rod 4 to rotate, the transmission connecting rod 4 converts the rotary thrust into longitudinal thrust in the rotating process, the arm force push rod 2 is pushed to move downwards, the transmission guide rod 12 is pushed to move downwards while the arm force push rod 2 moves downwards, the negative pressure rubber head 13 is pushed to synchronously slide downwards, the air and a small amount of water inside the sampling cavity 14 are extruded out through the sampling needle 9 while the further negative pressure rubber head 13 moves downwards, then when the pressing handle 3 is pressed to the maximum limit, the worker loosens the pressing handle 3, the transmission guide rod 12 is upwards reset and moves under the reset support of the compression spring 11 to drive the negative pressure rubber head 13 to synchronously move upwards, so that a negative pressure state is formed inside the sampling cavity 14, and the water with the designated depth is subjected to negative pressure extraction work through the sampling needle 9, draw water quality to the sampling cavity 14 in, then the staff takes out the measuring cylinder 1, carries out microorganism detection work to the quality of water of sample.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device for detecting microorganisms in barreled water is characterized in that the sampling device consists of a sampling mechanism and a handle positioning mechanism;

the sampling mechanism comprises a metering cylinder (1), a scale (6) is marked on the end face of the front side of the metering cylinder (1), a transmission cavity (10) and a sampling cavity (14) are sequentially formed in the inner side of the metering cylinder (1) from top to bottom, a handle frame (5) is arranged at an upper port of the transmission cavity (10), a compression spring (11) is arranged at the position of the inner side of a transmission connecting rod (4) and located at the bottom of the inner side of the transmission connecting rod, a transmission guide rod (12) is clamped in the cavity penetrating through the inner side of the compression spring (11) and extending to the sampling cavity (14), a negative pressure rubber head (13) is arranged at the bottom of the transmission guide rod (12), an arm power push rod (2) is arranged at the top of the transmission guide rod (12), a pressing handle (3) is connected to the arm power top end of the handle frame (5), and the pressing handle (3) is connected with the arm power push rod (2) through the transmission connecting rod (4);

the handle positioning mechanism comprises a handle (7) and a stop rack (8), wherein the handle (7) is held outside the metering cylinder (1) by a hoop, the stop rack (8) is embedded into one side of the metering cylinder (1), one end, close to the stop rack (8), of the inner side of the handle (7) is symmetrically provided with a return spring (20), the top end of the return spring (20) is provided with a push handle seat (18), a push handle (19) is arranged above the push handle seat (18) in a penetrating manner on the handle (7), and a stop tooth seat (17) is arranged at the top output end of the push handle seat (18) just opposite to one end of the stop rack (8).

2. The sampling device for detecting the microorganisms in the barreled water is characterized in that a guide chute (16) is formed in the other side of the metering cylinder (1), a guide sliding block (15) is arranged at the port, opposite to the guide chute (16), of the inner side of the operating handle (7), and the metering cylinder (1) and the operating handle (7) are in guide clamping through the guide chute (16) and the guide sliding block (15).

3. The sampling device for detecting the microorganisms in the barreled water is characterized in that teeth of the stop tooth seat (17) are meshed with teeth of the stop rack (8), and the length of the stop rack (8) is the same as the mark length of the graduated scale (6).

4. The sampling device for detecting microorganisms in barreled water according to claim 1, wherein the outer diameter of the transmission guide rod (12) is matched with the inner diameter of the compression spring (11), and the transmission guide rod (12) is elastically clamped with the metering cylinder (1) through the compression spring (11).

5. The sampling device for detecting the microorganisms in the barreled water is characterized in that the negative pressure rubber head (13) is made of a natural rubber component, the negative pressure rubber head (13) is of a cylindrical structure, and the negative pressure rubber head (13) is in interference fit with the sampling cavity (14).

6. The sampling device for the microbiological detection of the water quality in the barrels of claim 1 wherein the bottom port of the sampling chamber (14) is connected with a sampling needle (9).