CN219714889U

CN219714889U - Sampling device for milk detection

Info

Publication number: CN219714889U
Application number: CN202321213131.9U
Authority: CN
Inventors: 曾宪澜; 陈志杰; 邓正红; 金梦瑶
Original assignee: Chongqing Academy of Metrology and Quality Inspection
Current assignee: Chongqing Academy of Metrology and Quality Inspection
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-19
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a sampling device for milk detection, which relates to the technical field of sampling detection and comprises an L-shaped fixing plate and a sampling tube, wherein a U-shaped supporting seat is fixedly arranged at the lower end of the vertical part of the L-shaped fixing plate, and a clamping mechanism is arranged at one side of the U-shaped supporting seat; the horizontal part of the L-shaped fixing plate is vertically and fixedly provided with an internal thread sleeve, the pipe wall of the sampling pipe is provided with external threads, the sampling pipe is in threaded connection with the internal thread sleeve, and the lower end of the pipe wall of the sampling pipe is fixedly provided with a stirring blade; the inside of the sampling tube is vertically inserted with a drawing rod, the lower end of the drawing rod is fixedly provided with a drawing piston, and the upper end of the drawing rod extends to the outside of the sampling tube. According to the utility model, milk is stirred and sampled manually, stirring and sampling are convenient, the operation intensity is low, the cost of the sampling device is low, and meanwhile, the phenomenon of milk backflow can not occur.

Description

Sampling device for milk detection

Technical Field

The utility model relates to the technical field of sampling detection, in particular to a sampling device for milk detection.

Background

Milk is an important drink in daily life, the quality of the milk is directly related to the physical health of people, and in the milk industry, the quality detection of the milk at the origin is the most important part for ensuring the quality of the milk and the drinking safety of consumers.

Wherein patent number is CN213580253U, discloses a sampling device for milk detects, relates to sampling equipment technical field. The utility model comprises a plate body, wherein the plate body is connected with a rotating rod through a bearing, stirring sheets are arranged on the outer circumferential side of the end part, far away from the joint of the plate body, of the rotating rod in an annular array mode, the interior of the rotating rod is hollow, an extraction pipe coaxial with the rotating rod is arranged in the rotating rod, a threaded joint is arranged on the plate body, the plate body is connected with a sampling pipe through the threaded joint, the free end of the extraction pipe extends to the interior of the sampling pipe, and a negative pressure mechanism for pumping negative pressure in the sampling pipe is arranged on the plate body.

In the scheme, the stirring sheet is driven to rotate to stir milk, and meanwhile, the electrified negative pressure mechanism is used for sucking and sampling the milk, so that the manufacturing cost of the sampling device is increased, and the negative pressure mechanism can cause milk in the sampling tube to flow back when the sampling device stops working after sucking the milk. For this purpose, a sampling device for milk detection is proposed.

Disclosure of Invention

The present utility model has been made in view of the above-described problems with the conventional sampling device for milk detection.

Therefore, the utility model aims to provide a sampling device for milk detection, which solves the problems proposed by the background technology.

In order to achieve the above object, the present utility model provides the following technical solutions:

the sampling device for milk detection comprises an L-shaped fixing plate and a sampling tube, wherein a U-shaped supporting seat is fixedly arranged at the lower end of the vertical part of the L-shaped fixing plate, and a clamping mechanism is arranged at one side of the U-shaped supporting seat; the horizontal part of the L-shaped fixing plate is vertically and fixedly provided with an internal thread sleeve, the pipe wall of the sampling pipe is provided with external threads, the sampling pipe is in threaded connection with the internal thread sleeve, and the lower end of the pipe wall of the sampling pipe is fixedly provided with a stirring blade; the inside of the sampling tube is vertically inserted with a drawing rod, the lower end of the drawing rod is fixedly provided with a drawing piston, and the upper end of the drawing rod extends to the outside of the sampling tube.

Preferably, the clamping mechanism comprises a screw, a clamping plate and a handle, wherein the screw is transversely arranged on the side wall of the U-shaped supporting seat in a threaded manner, one end of the screw is rotationally connected with the clamping plate, and the other end of the screw is fixedly connected with the handle.

Preferably, a bearing rotationally connected with one end of the screw is fixedly embedded on one side of the clamping plate, and a plurality of teeth are arranged on the other side of the clamping plate.

Preferably, the pipe wall movable sleeve of the sampling pipe is provided with a holding ring, and the pipe wall of the sampling pipe is fixedly provided with a limit baffle ring which is positioned above and below the holding ring.

Further, a positioning bolt is arranged on the pipe wall thread at the upper end of the sampling pipe, and the end part of the positioning bolt is propped against the rod wall of the drawing rod.

Preferably, a pull ring is fixedly arranged at the upper end of the pull rod.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, the sampling tube is downwards moved and inserted into the milk containing barrel through the internal thread sleeve which is arranged, and simultaneously the sampling tube can spirally move in the internal thread sleeve, so that the sampling tube and the stirring blade are rotated together and inserted into the milk containing barrel, milk is uniformly stirred, and the phenomenon of inaccurate sampling caused by precipitation is avoided.

2. According to the milk sampling device, the drawing rod, the drawing piston and the positioning bolt are arranged, after the sampling tube is inserted into the milk containing tube, the drawing rod is manually pulled upwards, so that the drawing piston moves in the sampling tube, milk can be drawn into the sampling tube, after sampling is finished, the position of the drawing rod is fixed by screwing the positioning bolt, and the phenomenon of milk backflow in the sampling tube is avoided.

3. According to the milk container, the U-shaped supporting seat, the screw, the clamping plate and the handle are arranged, the U-shaped supporting seat can be inserted into one side edge of the milk container, then the handle is rotated to enable the screw to rotate, the screw pushes the clamping plate to move in the spiral moving process, the clamping plate is enabled to be in contact with the side wall of the milk container, and the L-shaped fixing plate can be stably installed at the top of the milk container.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cut-away view of the sampling tube of FIG. 1 according to the present utility model;

FIG. 3 is a partial view of the upper end of the sampling tube of FIG. 1 according to the present utility model.

Reference numerals illustrate:

1. an L-shaped fixing plate; 2. a sampling tube; 3. a U-shaped supporting seat; 4. an internal thread sleeve; 5. an external thread; 6. stirring the leaves; 7. a pull rod; 8. a suction piston; 9. a screw; 10. a clamping plate; 11. a handle; 12. teeth; 13. a grip ring; 14. a limit baffle ring; 15. positioning bolts; 16. and (5) a pull ring.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a sampling device for milk detection.

The utility model provides a sampling device for milk detection as shown in figures 1-2, which comprises an L-shaped fixing plate 1 and a sampling tube 2, wherein a U-shaped supporting seat 3 is fixedly arranged at the lower end of the vertical part of the L-shaped fixing plate 1, an internal thread sleeve 4 is vertically and fixedly arranged at the horizontal part of the L-shaped fixing plate 1, an external thread 5 is arranged on the tube wall of the sampling tube 2, the sampling tube 2 is in threaded connection with the internal thread sleeve 4, a stirring blade 6 is fixedly arranged at the lower end of the tube wall of the sampling tube 2, when the sampling tube 2 moves downwards and is inserted into the milk containing tube, the sampling tube 2 moves in the internal thread sleeve 4 in a spiral manner, and the sampling tube 2 automatically rotates in the internal thread sleeve 4 in a spiral manner, so that the sampling tube 2 and the stirring blade 6 rotate together and are inserted into the milk containing tube, milk is uniformly stirred, and the phenomenon of inaccurate sampling caused by precipitation is avoided. The inside vertical grafting of sampling tube 2 has pull rod 7, and the lower extreme of pull rod 7 is fixed and is equipped with suction piston 8, and the upper end of pull rod 7 extends to the outside of sampling tube 2, and the upper end of pull rod 7 is fixed and is equipped with pull ring 16, manual upward pulling pull ring 16 for pull rod 7 is at the inside removal of sampling tube 2, and suction piston 8 is at the inside upward movement of sampling tube 2 simultaneously, thereby can suck milk to the inside of sampling tube 2, only need suction piston 8 when not removing, then can not appear milk backward flow's phenomenon.

In order to stably mount the sampling tube 2, as shown in fig. 1, one side of the U-shaped supporting seat 3 is provided with a clamping mechanism, the clamping mechanism comprises a screw rod 9, a clamping plate 10 and a handle 11, the screw rod 9 is transversely arranged on the side wall of the U-shaped supporting seat 3 in a threaded manner, one end of the screw rod 9 is rotationally connected with the clamping plate 10, the other end of the screw rod 9 is fixedly connected with the handle 11, the U-shaped supporting seat 3 can be inserted into one side edge of the milk containing barrel firstly, then the handle 11 is rotated to enable the screw rod 9 to rotate, and the screw rod 9 pushes the clamping plate 10 to move in the spiral moving process, so that the clamping plate 10 is in contact with the side wall of the milk containing barrel, and the sampling tube 2 can be stably mounted; one side of the clamping plate 10 is fixedly embedded with a bearing which is rotationally connected with one end of the screw rod 9, and the other side of the clamping plate 10 is provided with a plurality of teeth 12, so that friction resistance can be increased after the teeth 12 are contacted with the milk containing barrel, and the fixing effect on the U-shaped supporting seat 3 is improved.

In order to grip the sampling tube 2 by hand, and not to affect the rotation of the sampling tube 2, as shown in fig. 3, the movable sleeve on the tube wall of the sampling tube 2 is provided with a gripping ring 13, and the upper and lower parts of the tube wall of the sampling tube 2 and the gripping ring 13 are fixedly provided with a limit stop ring 14, so that the hand is used to grip the gripping ring 13, the gripping ring 13 and the sampling tube 2 are rotatable, and the rotation of the sampling tube 2 can be ensured to move down to the milk.

Finally, in order to fix the position of the drawing rod, as shown in fig. 2-3, a positioning bolt 15 is arranged on the pipe wall thread at the upper end of the sampling pipe 2, the end part of the positioning bolt 15 is propped against the rod wall of the drawing rod 7, after the sampling is finished, the position of the drawing rod 7 is fixed by screwing the positioning bolt 15, and the phenomenon of milk backflow in the sampling pipe 2 is avoided.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The sampling device for milk detection comprises an L-shaped fixing plate (1) and a sampling tube (2), and is characterized in that a U-shaped supporting seat (3) is fixedly arranged at the lower end of the vertical part of the L-shaped fixing plate (1), and a clamping mechanism is arranged at one side of the U-shaped supporting seat (3);

the horizontal part of the L-shaped fixing plate (1) is vertically and fixedly provided with an internal thread sleeve (4), the pipe wall of the sampling pipe (2) is provided with external threads (5), the sampling pipe (2) is in threaded connection with the internal thread sleeve (4), and the lower end of the pipe wall of the sampling pipe (2) is fixedly provided with a stirring blade (6);

the inside of sampling tube (2) is vertical to be pegged graft has pull rod (7), the lower extreme of pull rod (7) is fixed with and is taken out piston (8), and the upper end of pull rod (7) extends to the outside of sampling tube (2).

2. The sampling device for milk detection according to claim 1, wherein the clamping mechanism comprises a screw (9), a clamping plate (10) and a handle (11), the screw (9) is transversely arranged on the side wall of the U-shaped supporting seat (3) in a threaded manner, one end of the screw (9) is rotationally connected with the clamping plate (10), and the other end of the screw (9) is fixedly connected with the handle (11).

3. The sampling device for milk detection according to claim 2, wherein a bearing rotatably connected to one end of the screw (9) is fixedly embedded in one side of the clamping plate (10), and a plurality of teeth (12) are provided on the other side of the clamping plate (10).

4. The sampling device for milk detection according to claim 1, wherein the pipe wall of the sampling pipe (2) is movably sleeved with a holding ring (13), and limiting baffle rings (14) are fixedly arranged on the pipe wall of the sampling pipe (2) and positioned above and below the holding ring (13).

5. The sampling device for milk detection according to claim 1, wherein a positioning bolt (15) is provided on the upper pipe wall of the sampling pipe (2) by screw thread, and the end of the positioning bolt (15) is arranged against the rod wall of the draw rod (7).

6. The sampling device for milk detection according to claim 1, wherein a pull ring (16) is fixedly arranged at the upper end of the pull rod (7).