CN221326016U

CN221326016U - Sampler for food detection

Info

Publication number: CN221326016U
Application number: CN202322793705.0U
Authority: CN
Inventors: 杨凤; 王定纯; 杨靖
Original assignee: Chongqing Nengyuan Food Testing Co ltd
Current assignee: Chongqing Nengyuan Food Testing Co ltd
Filing date: 2023-10-18
Publication date: 2024-07-12
Anticipated expiration: 2033-10-18

Abstract

The utility model relates to the technical field of food detection and discloses a sampler for food detection, which comprises a sampler main body, wherein a left sampling cavity and a right sampling cavity are formed in the sampler main body, a sampling port is formed in the bottom of each sampling cavity, communication holes positioned at the tops of the two sampling cavities are formed in the sampler main body, two ends of each communication hole are respectively communicated with the tops of the two sampling cavities, a first piston is movably sleeved in each sampling cavity, a piston accessory is fixedly connected to the bottom of each first piston, and an adjusting assembly is fixedly connected to the top of each first piston. Because of the arrangement of the two sampling cavities, the upper ends of the two sampling cavities are mutually communicated under the cooperation of the communication holes, and thus one first piston can be moved when the other first piston is moved, the up-and-down movement of the first piston can be controlled by a worker through pressing the pressing block, and the operation convenience is greatly improved.

Description

Sampler for food detection

Technical Field

The utility model relates to the technical field of food detection, in particular to a sampler for food detection.

Background

Food types are increasingly abundant, any food needs to be subjected to multiple detection procedures before being used so as to ensure edible safety, such as a liquid food sampling device, the front end of a suction tube is mostly inserted into liquid food through devices like a syringe, and then a piston is pulled to enable atmospheric pressure to press the liquid food into a sampling tube, but the piston needs to be pushed to discharge air in the sampling tube before the food is extracted, but due to the fact that the matching degree of the existing piston and the front end of the sampling tube is matched, a small amount of air is always reserved at the front end of the sampling tube, and dust bacteria microorganisms and the like in the air can be mixed into the food to influence detection results; in addition, the push-pull pistons of the existing extraction sampling devices are opposite in direction, the hand-held direction and angle need to be changed, and the operation is inconvenient, so that improvement is needed.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a sampler for food detection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sampler for food detection, includes the sampler main part, two sampling chambers about the inside of sampler main part has been seted up, the sampling mouth has been seted up to sampling chamber bottom, set up the intercommunicating pore that is located two sampling chamber tops in the sampler main part, the intercommunicating pore both ends are linked together with two sampling chamber tops respectively, the first piston has been cup jointed in the activity of sampling chamber, first piston bottom fixedly connected with piston accessory, first piston top fixedly connected with adjusting part, adjusting part upper end runs through the sampling chamber and extends to sampler main part top and fixedly connected with briquetting, sampler main part top fixedly connected with is located the pull ring between two adjusting part and the briquetting, adjusting part activity cup joints in the sampler main part, the spread groove that is located sampling mouth bottom has been seted up to sampler main part bottom, the sampling has been cup jointed to the spread groove internal thread.

As a preferable technical scheme of the utility model, the cross sections of the sampling cavity and the top of the first piston are non-circular, the inner wall of the sampling cavity and the outer surface of the first piston are smooth, and the first piston is hermetically sleeved in the sampling cavity.

As a preferable technical scheme of the utility model, the outer diameter of the piston accessory is matched with the inner diameter of the sampling port and the sampling straw, and the piston accessory is in sealing sleeve connection with the inside of the sampling port and the sampling straw.

As a preferable technical scheme of the utility model, the inner diameter size of the communication hole is smaller than the height size of the first piston, and the distance between the bottom of the inner cavity of the communication hole and the top of the inner cavity of the sampling cavity is smaller than the distance between the bottom of the first piston and the top of the inner cavity of the sampling cavity.

As a preferable technical scheme of the utility model, the adjusting component comprises an adjusting rod which is sleeved in the sampler main body in a sealing way and is fixedly connected between the first piston and the pressing block, a piston cavity is formed in the adjusting rod, a second piston is sleeved in the piston cavity in a sealing way, the first piston is of a cavity structure, and the top of the first piston is communicated with the piston cavity through the adjusting rod.

As a preferable technical scheme of the utility model, the cross sections of the piston cavity and the top of the second piston are non-circular, the top of the second piston is fixedly connected with a connecting rod, and the top of the connecting rod is fixedly connected with a connecting block.

As a preferable technical scheme of the utility model, a connecting shaft fixedly connected to the bottom of the pressing block is movably sleeved in the adjusting rod, an adjusting pipe movably sleeved in the adjusting rod and positioned above the piston cavity is fixedly connected to the bottom of the connecting shaft, a connecting block is in threaded sleeve connection with the adjusting pipe, and the connecting rod is movably sleeved in the adjusting rod.

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

1. Because of the arrangement of the two sampling cavities, the upper ends of the two sampling cavities are mutually communicated under the cooperation of the communication holes, and thus one first piston can be moved when the other first piston is moved, the up-and-down movement of the first piston can be controlled by a worker through pressing the pressing block, and the operation convenience is greatly improved; the arrangement of the piston accessory can be matched with the first piston to enable the first piston to be more attached to the inner wall of the sampling cavity, the sampling port and the inner wall of the sampling suction pipe, so that air is completely discharged.

2. Due to the arrangement of the first piston, the utility model can facilitate the adjustment of the outer diameter size of the first piston by a worker under the cooperation of the adjusting component, so that the first piston can be completely sealed and sleeved in the sampling cavity, and the situation of loose sealing of the first piston and the second piston caused by abrasion is avoided; meanwhile, the sampling cavity can be communicated up and down, so that the inner wall of the sampling cavity can be thoroughly cleaned.

3. Due to the arrangement of the connecting grooves, the sampling suction pipe can be conveniently arranged at the bottom of any sampling cavity, so that staff can conveniently extract food samples by using different sampling cavities, the efficiency of continuously extracting two kinds of food samples is improved, and the interference of different foods is avoided.

Drawings

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

FIG. 2 is a schematic bottom view of the present utility model;

fig. 3 is a cross-sectional view of the front face of the present utility model.

In the figure: 1. a sampler body; 2. a sampling cavity; 3. a sampling port; 4. a communication hole; 5. a first piston; 6. a piston attachment; 7. an adjustment assembly; 71. an adjusting rod; 72. a piston chamber; 73. an adjusting tube; 74. a connecting shaft; 75. a connecting block; 76. a connecting rod; 77. a second piston; 8. briquetting; 9. a pull ring; 10. a connecting groove; 11. a sampling pipette.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the utility model provides a sampler for food detection, which comprises a sampler main body 1, wherein a left sampling cavity 2 and a right sampling cavity 2 are arranged in the sampler main body 1, a sampling port 3 is arranged at the bottom of the sampling cavity 2, a communication hole 4 positioned at the top of the two sampling cavities 2 is arranged in the sampler main body 1, two ends of the communication hole 4 are respectively communicated with the tops of the two sampling cavities 2, a first piston 5 is movably sleeved in the sampling cavity 2, the bottom of the first piston 5 is fixedly connected with a piston accessory 6, the top of the first piston 5 is fixedly connected with an adjusting component 7, the upper end of the adjusting component 7 penetrates through the sampling cavity 2 and extends to the upper part of the sampler main body 1 and is fixedly connected with a pressing block 8, a pull ring 9 positioned between the two adjusting components 7 and the pressing block 8 is fixedly connected to the top of the sampler main body 1, the adjusting component 7 is movably sleeved in the sampler main body 1, a connecting groove 10 positioned at the bottom of the sampling port 3 is arranged at the bottom of the sampler main body 1, and a sampling straw 11 is sleeved in the connecting groove 10. Due to the arrangement of the two sampling cavities 2, the upper ends of the two sampling cavities 2 are mutually communicated under the cooperation of the communication hole 4, so that one first piston 5 can be moved when the other first piston 5 is moved, the up-and-down movement of the first piston 5 can be controlled by a worker through pressing the pressing block 8, and the operation convenience is greatly improved; the piston accessory 6 can be matched with the first piston 5 to enable the first piston to be more fit with the inner walls of the sampling cavity 2, the sampling port 3 and the sampling suction pipe 11, so that air is completely discharged.

The sections of the tops of the sampling cavity 2 and the first piston 5 are non-circular, the inner wall of the sampling cavity 2 and the outer surface of the first piston 5 are smooth, and the first piston 5 is hermetically sleeved in the sampling cavity 2; due to the arrangement of the first piston 5, the outer diameter size of the first piston 5 can be conveniently adjusted by a worker under the cooperation of the adjusting component 7, so that the first piston 5 can be completely sealed and sleeved in the sampling cavity 2, and the situation that the two are not tightly sealed due to abrasion is avoided; meanwhile, the sampling cavity 2 can be communicated up and down so as to clean the inner wall of the sampling cavity more thoroughly.

The outer diameter of the piston accessory 6 is matched with the inner diameter of the sampling port 3 and the sampling suction pipe 11, and the piston accessory 6 is hermetically sleeved in the sampling port 3 and the sampling suction pipe 11; due to the arrangement of the connecting groove 10, the sampling suction pipe 11 can be conveniently arranged at the bottom of any sampling cavity 2, so that workers can conveniently extract food samples by utilizing different sampling cavities 2, the efficiency of continuously extracting two kinds of food samples is improved, and the interference of different foods is avoided.

The inner diameter size of the communication hole 4 is smaller than the height size of the first piston 5, and the distance between the bottom of the inner cavity of the communication hole 4 and the top of the inner cavity of the sampling cavity 2 is smaller than the distance between the bottom of the first piston 5 and the top of the inner cavity of the sampling cavity 2.

The adjusting component 7 comprises an adjusting rod 71 which is hermetically sleeved in the sampler main body 1 and is fixedly connected between the first piston 5 and the pressing block 8, a piston cavity 72 is formed in the adjusting rod 71, a second piston 77 is hermetically sleeved in the piston cavity 72, the first piston 5 is of a cavity structure, and the top of the first piston 5 is mutually communicated with the piston cavity 72 through the adjusting rod 71; due to the arrangement of the piston cavity 72, the amount of gas pressed into the first piston 5 in the piston cavity 72 can be changed by adjusting the position of the second piston 77, so that the effect of adjusting the expansion rate of the first piston 5 is achieved, and the outer diameter size of the first piston 5 can be changed.

The cross sections of the tops of the piston cavity 72 and the second piston 77 are non-circular, the top of the second piston 77 is fixedly connected with a connecting rod 76, and the top of the connecting rod 76 is fixedly connected with a connecting block 75; the cooperation of the piston cavity 72 and the second piston 77 can not only change the amount of gas pressed into the first piston 5, but also prevent the second piston 77 from rotating, so that the connection block 75 can be placed by the piston accessory 6 to rotate, and the connection block 75 can be controlled to move up and down when the adjusting rod 71 rotates.

Wherein, the inside movable sleeve of adjusting the pole 71 has fixed connection in the connecting axle 74 of briquetting 8 bottom, and connecting axle 74 bottom fixed connection has movable sleeve in adjusting the pole 71 inside and be located the regulation pipe 73 of piston chamber 72 top, and connecting block 75 screw thread sleeve in the regulation pipe 73 is inside, and connecting rod 76 activity sleeve in adjusting the pole 71.

The working principle and the using flow of the utility model are as follows:

After the sampler main body 1 is gripped, the sampling straw 11 is inserted into food, then the pull ring 9 is hooked, and the pressing block 8 above the sampling cavity 2 which is not connected with the sampling straw 11 is pressed by a thumb, so that the first piston 5 connected with the first piston can be pushed by the adjusting component 7 to move downwards along the inner wall of the sampling cavity 2, at the moment, the upper part of the first piston is a closed space communicated through the communication hole 4, and then the first piston 5 in the other sampling cavity 2 can be driven to move upwards slowly under the action of negative pressure, at the moment, the negative pressure can be formed below the first piston 5 in the sampling cavity 2 and the food sample can be extracted through the sampling straw 11, and when the sample is transferred onto a detection table, the pressing block 8 above the sampling cavity 2 connected with the sampling straw 11 is pressed, the first piston 5 can be pushed by the adjusting component 7, the bottom sample can be pushed out by the sampling straw 11, and the other first piston 5, the adjusting component 7 and the pressing block 8 are integrally moved upwards and reset under the cooperation of the communication hole 4;

The pressing block 8 is rotated while the sampler main body 1 is gripped, the adjusting rod 71 can be driven to rotate by the connecting shaft 74, and the piston cavity 72 can drive the second piston 77 to move up and down along the inner wall of the piston cavity 72 by the connecting rod 76 and the connecting rod 75 when the adjusting rod 71 rotates due to the limitation of the second piston 77 and the connecting rod 76, so that the outer diameter size of the first piston 5 can be changed, the outer surface of the first piston 5 is tightly attached to the inner wall of the sampling cavity 2, and meanwhile, the corresponding sampling cavity 2 can be penetrated up and down, so that the inner wall of the sampling cavity can be cleaned more thoroughly;

if the food in a certain period needs to be separated from the other food for sampling, the food sample can be extracted through the other sampling cavity 2 only by replacing the new sampling suction pipe 11 and connecting the new sampling suction pipe to the bottom of the other sampling cavity 2, so that the use efficiency is improved, and meanwhile, the influence of the mutual pollution of the two foods on the detection result is avoided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a food detects uses sampler, includes sampler main part (1), its characterized in that: two sample chamber (2) about the inside of sampler main part (1) has been seted up, sample chamber (2) bottom has been seted up sample mouth (3), set up in sampler main part (1) and be located intercommunicating pore (4) at two sample chamber (2) tops, intercommunicating pore (4) both ends are linked together with two sample chamber (2) tops respectively, first piston (5) have been cup jointed to activity in sample chamber (2), first piston (5) bottom fixedly connected with piston annex (6), first piston (5) top fixedly connected with adjusting part (7), adjusting part (7) upper end runs through sample chamber (2) and extends to sampler main part (1) top and fixedly connected with briquetting (8), pull ring (9) that are located between two adjusting part (7) and the briquetting (8) are cup jointed to sampler main part (1), sample chamber (1) bottom has been seted up and has been located sample mouth (3) bottom connecting groove (10), threaded connection groove (10) have been cup jointed in sampler main part (1).

2. The sampler for food detection as in claim 1 wherein: the section at the top of the sampling cavity (2) and the first piston (5) is non-circular, the inner wall of the sampling cavity (2) and the outer surface of the first piston (5) are smooth, and the first piston (5) is hermetically sleeved in the sampling cavity (2).

3. The sampler for food detection as in claim 1 wherein: the outer diameter of the piston accessory (6) is matched with the inner diameter of the sampling port (3) and the inner diameter of the sampling suction pipe (11), and the piston accessory (6) is in sealing sleeve connection with the inner parts of the sampling port (3) and the sampling suction pipe (11).

4. The sampler for food detection as in claim 1 wherein: the inner diameter size of the communication hole (4) is smaller than the height size of the first piston (5), and the distance between the bottom of the inner cavity of the communication hole (4) and the top of the inner cavity of the sampling cavity (2) is smaller than the distance between the bottom of the first piston (5) and the top of the inner cavity of the sampling cavity (2).

5. The sampler for food detection as in claim 1 wherein: the adjusting component (7) comprises an adjusting rod (71) which is sleeved in the sampler main body (1) in a sealing manner and is fixedly connected between the first piston (5) and the pressing block (8), a piston cavity (72) is formed in the adjusting rod (71), a second piston (77) is sleeved in the piston cavity (72) in a sealing manner, the first piston (5) is of a cavity structure, and the top of the first piston (5) is mutually communicated with the piston cavity (72) through the adjusting rod (71).

6. The sampler for food detection as in claim 5 wherein: the cross sections of the tops of the piston cavity (72) and the second piston (77) are non-circular, a connecting rod (76) is fixedly connected to the top of the second piston (77), and a connecting block (75) is fixedly connected to the top of the connecting rod (76).

7. The sampler for food detection as in claim 6 wherein: the adjustable rod is characterized in that a connecting shaft (74) fixedly connected to the bottom of the pressing block (8) is movably sleeved in the adjusting rod (71), an adjusting pipe (73) which is movably sleeved in the adjusting rod (71) and located above the piston cavity (72) is fixedly connected to the bottom of the connecting shaft (74), a connecting block (75) is in threaded sleeve connection with the inside of the adjusting pipe (73), and a connecting rod (76) is movably sleeved in the adjusting rod (71).