CN215767727U

CN215767727U - Plug-in type food microorganism detection sampling needle

Info

Publication number: CN215767727U
Application number: CN202120870478.5U
Authority: CN
Inventors: 顾晓峰
Original assignee: Jiaxing Weizhizhai Food Co ltd
Current assignee: Jiaxing Weizhizhai Food Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-02-08
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an insertion type food microorganism detection sampling needle which comprises a solid food main body, a square needle cylinder main body and a device bin, wherein the square needle cylinder main body penetrates through the top of the solid food main body, a first groove is formed in one side, away from the solid food main body, of the square needle cylinder main body, and the device bin is fixedly sleeved on the outer wall of the square needle cylinder main body. This bayonet food microbiological detection sampling needle, threaded connection through syringe needle and screw hole, make operating personnel when taking a sample solid food, can twist away the syringe needle from the inside of screw hole, and the syringe needle takes out the mouth and can relieve the extrusion to sealed piece, under the elastic action of second spring, two sets of sealed pieces can be closed the screw hole to the direction removal near the centre, thereby syringe needle influences the cutting effect when avoiding the cutting, guarantee simultaneously that the cutting accomplishes the sealed effect of rear shape cylinder main part, and can avoid the junction to take place easily not hard up.

Description

Plug-in type food microorganism detection sampling needle

Technical Field

The utility model relates to the technical field of food detection, in particular to an insertion type food microorganism detection sampling needle.

Background

Food safety is closely related to daily life of people, and detection means for food safety are more and more diversified with continuous progress of society, so that the food safety is further ensured, for example, microorganisms in food are detected, and a food microorganism detection sampling needle is required when the microorganisms in food are detected;

compared with the patent No. CN211904782U, the rapid sampling device for food microorganism detection can sample liquid food through the piston and the inner cylinder, the left shell and the right shell can protect food samples, the left shell and the right shell are movably arranged on the bidirectional screw rod, the bidirectional screw rod is rotated through the knob, solid food can be sampled, the knob is rotated in the opposite direction, the solid food is cut off by the left shell and the right shell, and the sampling of the solid food is completed, but certain problems still exist, and the specific problems are as follows;

1. according to the rapid sampling device for food microorganism detection, when solid food is sampled and cut, the liquid inlet part is arranged at the bottom of the rapid sampling device, so that the resistance between the liquid inlet part and the food is large in the cutting process, and the cutting effect is influenced;

2. this a be used for quick sampling device of food microbiological detection, its mode through the lead screw removes to shell portion, but in the in-service use process, the lead screw part receives external factor easily for example vibrations etc. take place to become flexible, and then influences the compactness between the shell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an insertion type food microorganism detection sampling needle to solve the problems that the effect is poor when food is cut and the looseness is easy to occur when a shell is combined in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bayonet food microbiological detection sampling needle, includes solid food main part, square cylinder main part and device storehouse, the top of solid food main part is run through there is square cylinder main part, the first recess has been seted up to one side that solid food main part was kept away from to square cylinder main part, the outer wall cover of square cylinder main part is established and is fixed with the device storehouse, and installs the storehouse and keep away from one side of square cylinder main part and install the collar to the inside wall of collar is installed and is gone into the ring gear, the device storehouse is close to one side of collar and runs through there is the lead screw.

Preferably, the bottom of the square needle cylinder main body is provided with a U-shaped plate, the inner side wall of the U-shaped plate is provided with a sealing groove, and a rubber pad is pasted at the bottom inside the sealing groove.

Preferably, the one end that the lead screw is close to the collar is reserved there is the mounting groove, and the internally mounted of mounting groove has first spring, the one end that the mounting groove was kept away from to first spring is installed square action bars, and the outer wall cover of square action bars is established and is fixed with the gear.

Preferably, the outside cover of lead screw is equipped with the movable block, and the bottom of movable block installs the connecting rod, the connecting rod is kept away from the one end of movable block and is installed the blade, and the bottom of blade is fixed with sealed cutting board.

Preferably, a second groove is formed in the top of the sealing cutting plate, a threaded hole is reserved in the bottom of the second groove, and a needle head is arranged inside the threaded hole.

Preferably, third grooves are formed in two sides of the inner portion of the second groove, sealing blocks are arranged inside the third grooves, and second springs are connected between the sealing blocks and the sealing cutting plate.

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

1. through the threaded connection of the needle head and the threaded hole, when an operator samples solid food, the needle head can be screwed out of the threaded hole, the extrusion of the sealing blocks can be relieved through the needle head taking-out port, and the two groups of sealing blocks can move towards the direction close to the middle to seal the threaded hole under the elastic action of the second spring, so that the cutting effect is prevented from being influenced by the needle head during cutting, and meanwhile, the sealing effect of the rear-shaped syringe body after cutting is guaranteed;

2. through the meshing connection of gear and interior ring gear for when operating personnel did not press square action bars and remove its meshing, the rotation of lead screw can be by abundant restriction, and then avoids the lead screw to take place independently to rotate and then influence the compactness between square cylinder main part and the sealed cutting board because external factors easily.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged view of the structure at B of FIG. 1 according to the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic side view of the square syringe body according to the present invention;

FIG. 6 is a schematic top view of a U-shaped plate according to the present invention;

FIG. 7 is a front sectional view of the lead screw of the present invention;

FIG. 8 is a side cross-sectional structural view of the lead screw of the present invention;

fig. 9 is a top cross-sectional structural schematic view of a sealed cutting board of the present invention.

In the figure: 1. a solid food body; 2. a square syringe body; 3. a first groove; 4. a U-shaped plate; 5. a sealing groove; 6. a rubber pad; 7. a device bin; 8. a mounting ring; 9. an inner gear ring; 10. a screw rod; 11. mounting grooves; 12. a first spring; 13. a square operating lever; 14. a gear; 15. a movable block; 16. a connecting rod; 17. a blade; 18. sealing the cutting board; 19. a second groove; 20. a threaded hole; 21. a needle head; 22. a third groove; 23. a sealing block; 24. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an inserted food microorganism detection sampling needle comprises a solid food main body 1, a square needle cylinder main body 2 and a device bin 7, wherein the square needle cylinder main body 2 penetrates through the top of the solid food main body 1, a first groove 3 is formed in one side, away from the solid food main body 1, of the square needle cylinder main body 2, a U-shaped plate 4 is installed at the bottom of the square needle cylinder main body 2, a sealing groove 5 is formed in the inner side wall of the U-shaped plate 4, and a rubber pad 6 is pasted at the bottom inside the sealing groove 5, so that a sealing cutting plate 18 can be matched with the rubber pad 6 to keep mutual sealing with the square needle cylinder main body 2 after being inserted into the sealing groove 5;

the outer wall of the square needle cylinder main body 2 is sleeved and fixed with a device bin 7, one side of the device bin 7, which is far away from the square needle cylinder main body 2, is provided with a mounting ring 8, the inner side wall of the mounting ring 8 is provided with an inner toothed ring 9, one side of the device bin 7, which is near to the mounting ring 8, is penetrated with a screw rod 10, one end of the screw rod 10, which is near to the mounting ring 8, is reserved with a mounting groove 11, the inside of the mounting groove 11 is provided with a first spring 12, one end of the first spring 12, which is far away from the mounting groove 11, is provided with a square operating rod 13, the outer wall of the square operating rod 13 is sleeved and fixed with a gear 14, the square operating rod 13 and the screw rod 10 form a relative sliding structure, the gear 14 and the inner toothed ring 9 are in meshing connection, so that after an operator presses the square operating rod 13 to remove the meshing between the gear 14 and the inner toothed ring 9, the square operating rod 13 can be rotated by rotating the screw rod 10 by rotating the square operating rod 13, and after the square operating rod 13 is loosened, the gear 14 is re-meshed with the inner gear ring 9, so that the stability of the screw rod 10 is ensured;

the outer side of the screw rod 10 is sleeved with a movable block 15, the outer side of the screw rod 10 is sleeved with the movable block 15, the bottom of the movable block 15 is provided with a connecting rod 16, one end, far away from the movable block 15, of the connecting rod 16 is provided with a blade 17, the bottom of the blade 17 is fixedly provided with a sealing cutting plate 18, the movable block 15 is in threaded connection with the screw rod 10, and the movable block 15 and the device bin 7 form a relative sliding structure, so that when an operator rotates the screw rod 10, the movable block 15 can drive the connecting rod 16, the blade 17 and the sealing cutting plate 18 to move along with the connecting rod 16, and the sealing cutting plate 18 is detached from the square syringe main body 2 or is detached from the square syringe main body 2 again;

a second groove 19 is formed in the top of the sealing cutting plate 18, a threaded hole 20 is reserved in the bottom of the interior of the second groove 19, a needle 21 is arranged in the threaded hole 20, and the needle 21 is in threaded connection with the threaded hole 20, so that when an operator samples a solid, the needle 21 can be screwed out of the interior of the threaded hole 20;

third recess 22 has all been seted up to the inside both sides of second recess 19, and the inside of third recess 22 is provided with sealed piece 23, and be connected with second spring 24 between sealed piece 23 and the sealed cutting board 18, when operating personnel sampled liquid, when twisting syringe needle 21 to the inside of screw hole 20, syringe needle 21 can extrude the hypotenuse part of sealed piece 23, make sealed piece 23 slide to the inside of third recess 22, thereby make syringe needle 21 and square syringe main part 2 communicate each other, thereby can absorb liquid.

The working principle is as follows: when the inserted food microorganism detection sampling needle is used and solid needs to be sampled, the needle head 21 is screwed out of the interior of the threaded hole 20 through the threaded connection between the needle head 21 and the threaded hole 20, so that the needle head 21 releases the extrusion on the sealing block 23, the sealing block 23 slides out of the interior of the second spring 24 through the sliding connection between the sealing block 23 and the corresponding third groove 22 and the elasticity of the second spring 24 until the two sealing blocks 23 are attached to each other, so that the two groups of second springs 24 close the threaded hole 20, the square syringe main body 2 is inserted into the interior of the solid food main body 1, the square operating rod 13 is in sliding connection with the screw rod 10 through the sliding connection between the square operating rod 13 and the screw rod, and the elasticity of the first spring 12 presses the square operating rod 13 to the direction close to the device bin 7, so that the gear 14 on the square operating rod 13 moves to the direction close to the device bin 7 along with the square operating rod 13, until the meshed connection with the inner toothed ring 9 is released, the rotation restriction of the square operating rod 13 is further released, the square operating rod 13 is rotated to drive the screw rod 10 to rotate, the movable block 15 is in threaded connection with the screw rod 10, the movable block 15 is in sliding connection with the device bin 7, so that the connecting rod 16, the blade 17 and the sealing and cutting plate 18 can move towards the direction close to the square syringe main body 2 along with the screw rod, the blade 17 and the sealing and cutting plate 18 can cut into the solid food main body 1 until the sealing and cutting plate 18 is completely inserted into the sealing groove 5 to seal the square syringe main body 2, the blade 17 is inserted into the first groove 3 to protect, the square operating rod 13 is released, the square operating rod 13 drives the gear 14 to move to the position meshed with the inner toothed ring 9 again under the elastic action of the first spring 12, and the self-rotation of the screw rod 10 due to external factors is avoided, then, the square needle cylinder body 2 is pulled out of the solid food body 1, so that sampling can be completed, when a sample needs to be transferred out of the square needle cylinder body 2, the square operating rod 13 is pressed to remove the rotation limitation of the square operating rod 13, the square operating rod 13 is rotated reversely, the movable block 15, the connecting rod 16 and the blade 17 are driven by the square operating rod 13 to move towards the direction far away from the square needle cylinder body 2 until the sealing cutting plate 18 completely leaves the inside of the sealing groove 5, and the sample is extruded out by pressing the piston rod on the square needle cylinder body 2;

when a liquid sample is to be sampled, the square operating rod 13 is pushed and rotated as described above, so that the movable block 15 drives the connecting rod 16, the blade 17 and the sealing cutting plate 18 to move towards the direction close to the square syringe main body 2 until the sealing cutting plate 18 completely enters the sealing groove 5 and keeps sealing with the square syringe main body 2 by matching with the extrusion of the rubber pad 6, the square operating rod 13 is loosened to ensure that the gear 14 is re-engaged with the inner gear ring 9, the stability of the screw rod 10 is ensured, the needle 21 is screwed into the threaded hole 20 by the threaded connection of the needle 21 and the threaded hole 20, so that the needle 21 presses the bevel edge part of the sealing block 23, and then the sealing block 23 slides towards the inside of the third groove 22, so that the needle 21 is communicated with the inside of the square syringe body 2, the needle 21 is inserted into the liquid, and the piston rod on the square syringe body 2 is pulled to suck.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a bayonet food microbiological detection sampling needle, includes solid food main part (1), square cylinder main part (2) and device storehouse (7), its characterized in that: the top of solid food main part (1) runs through and has square cylinder main part (2), first recess (3) have been seted up to one side that solid food main part (1) was kept away from in square cylinder main part (2), the outer wall cover of square cylinder main part (2) is established and is fixed with device storehouse (7), and device storehouse (7) one side of keeping away from square cylinder main part (2) installs collar (8) to interior ring gear (9) are installed to the inside wall of collar (8), one side that device storehouse (7) are close to collar (8) runs through has lead screw (10).

2. The inserted sampling needle for food microorganism detection according to claim 1, wherein: u template (4) are installed to the bottom of square cylinder main part (2), and seal groove (5) have been seted up to the inside wall of U template (4) to the bottom of seal groove (5) inside is pasted and is had rubber pad (6).

3. The inserted sampling needle for food microorganism detection according to claim 1, wherein: the one end that lead screw (10) are close to collar (8) is reserved has mounting groove (11), and the internally mounted of mounting groove (11) has first spring (12), square action bars (13) are installed to the one end that mounting groove (11) were kept away from in first spring (12), and the outer wall cover of square action bars (13) is established and is fixed with gear (14).

4. The inserted sampling needle for food microorganism detection according to claim 1, wherein: the outside cover of lead screw (10) is equipped with movable block (15), and connecting rod (16) are installed to the bottom of movable block (15), connecting rod (16) are kept away from the one end of movable block (15) and are installed blade (17), and the bottom of blade (17) is fixed with sealed cutting board (18).

5. The inserted sampling needle for food microorganism detection according to claim 4, wherein: a second groove (19) is formed in the top of the sealing cutting plate (18), a threaded hole (20) is reserved in the bottom of the interior of the second groove (19), and a needle head (21) is arranged in the threaded hole (20).

6. The inserted sampling needle for food microorganism detection according to claim 5, wherein: third grooves (22) are formed in two sides of the inner portion of the second groove (19), sealing blocks (23) are arranged in the third grooves (22), and second springs (24) are connected between the sealing blocks (23) and the sealing cutting plate (18).