Layered sampling device for food inspection and detection

Abstract

The utility model relates to the technical field of food inspection and detection, in particular to a stratified sampling device for food inspection and detection, which comprises a first sampling tube, a first one-way tube is mounted on the top surface of the first sampling tube, a first inlet and outlet tube is mounted on the bottom surface of the first sampling tube, and a first connecting sleeve is integrally formed at the bottom end of the first sampling tube; a handle is integrally formed at the top end of the first sampling tube, a pull rod is inserted into the inner side of the handle, a first piston is fixedly connected to the bottom end of the pull rod, and a first connecting groove is formed in the bottom surface of the first piston; a connecting structure is mounted on the lower side of the first sampling pipe. Through the cooperation of the first abutting sleeve, the threaded sleeve and the second connecting sleeve, multiple groups of connecting structures can be mutually spliced, and under the cooperation of the connecting rod and the second connecting groove, the multiple groups of connecting structures can be driven by pulling the pull rod to perform sampling at the same time, so that the sampling device is wider in application range and convenient to popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to food inspection detection technical field, concretely is a layered sampling device for food inspection and detection. BACKGROUND

[0002] At present, when sampling and detecting liquid food, slender sampler or layered sampler fixed with multiple sampling grooves are mostly used for sampling, however, when using slender sampler for sampling, the sampler needs to be moved up and down manually to extract samples of different layers, the sampling process is time-consuming and inconvenient to operate.

[0003] To this end, Chinese application patent number: CN202420025874.1 discloses a layered sampling device for food inspection and detection, which comprises a sealing tube, the upper and lower ends of the sealing tube are connected to the end of the sampling tube, a piston is slidably installed on the inner side of the sampling tube, the piston is installed on the outer side of the inner rod body, the sampling tube and the sealing tube are slidably sleeved on the outer side of the inner rod body, the bottom end of the sampling tube is communicated with an inlet and outlet pipe, and the side of the sealing tube is communicated with a one-way exhaust member. The inner rod body can drive multiple pistons to move synchronously on the inner side of the sampling tube, and the use of the one-way exhaust member can quickly complete layered sampling. The device has simple structure and low cost, and can be used as a disposable tool.

[0004] The device can pull the handle and sample samples at three positions at the same time by setting three sampling tubes, but the number of sampling tubes on the device is fixed and cannot be increased or decreased, which cannot meet the use demand of multi-position sampling, and the practicality of the device is low and difficult to promote.

[0005] Therefore, in order to solve the above problems, a layered sampling device for food inspection and detection is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a layered sampling device for food inspection and detection, which solves the problem that the device in the prior art mentioned in the background art has three groups of sampling tubes, can pull the handle and sample samples at three positions at the same time, but the number of sampling tubes on the device is fixed and cannot be increased or decreased, which cannot meet the use demand of multi-position sampling, and the practicality of the device is low and difficult to promote.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a layered sampling device for food inspection and detection, comprising: a first sampling tube, a first one-way tube is installed on the top surface of the first sampling tube, a first inlet and outlet pipe is installed on the bottom surface of the first sampling tube, and a first connecting sleeve is integrally formed at the bottom end of the first sampling tube;

[0008] The top end of the first sampling pipe is integrally formed with a handle, the inner side of the handle is provided with a pull rod, the bottom end of the pull rod is fixedly connected with a first piston, and the bottom surface of the first piston is provided with a first connecting groove;

[0009] The lower side of the first sampling pipe is provided with a connecting structure, the connecting structure comprises a second sampling pipe, the second sampling pipe is arranged on the lower side of the first sampling pipe, the bottom surface of the second sampling pipe is fixedly connected with a second inlet and outlet pipe, the top surface of the second sampling pipe is fixedly connected with a second one-way pipe, the top end of the second sampling pipe is integrally formed with a first abutting sleeve, the outer side of the first abutting sleeve is threadedly connected with a threaded sleeve, the bottom end of the second sampling pipe is integrally formed with a second connecting sleeve, the bottom end of the second connecting sleeve is threadedly connected with a sealing plug, the inner side of the second sampling pipe is movably provided with a second piston, the top surface of the second piston is fixedly connected with a connecting rod, and the bottom surface of the second piston is provided with a second connecting groove.

[0010] Preferably, the first piston is arranged on the inner side of the first sampling pipe.

[0011] Preferably, the top end of the first abutting sleeve is attached to the bottom end of the first connecting sleeve, and a sealing gasket is arranged on the attached surface, and the upper end of the threaded sleeve is threadedly connected to the outer side of the bottom end of the first connecting sleeve.

[0012] Preferably, the first connecting sleeve and the second connecting sleeve are equal in size, and the sealing plug is matched with the first connecting sleeve and the second connecting sleeve.

[0013] Preferably, the upper end of the connecting rod is exposed to the inside of the first abutting sleeve and is arranged in the first sampling pipe through the first connecting sleeve, and the upper end of the connecting rod is threadedly fixedly arranged in the first connecting groove.

[0014] Preferably, the first connecting groove and the second connecting groove are equal in size, and the connecting rod is matched with the first connecting groove and the second connecting groove.

[0015] Compared with the prior art, the utility model has the advantages that the first abutting sleeve, the threaded sleeve and the second connecting sleeve are matched, a plurality of connecting structures can be mutually connected, the connecting rod and the second connecting groove are matched, a plurality of connecting structures can be simultaneously sampled by pulling the pull rod, the application range is wider, and the utility model is convenient to use and popularize.

[0016] The utility model discloses a connecting structure is provided with, when assembling, unscrew the sealing plug, and the sealing plug is rotated on the second connecting sleeve, and the connecting rod is pulled out from the second sampling pipe, and the connecting rod drives the second piston to rise from the second sampling pipe, and the upper end of connecting rod is inserted in the first connecting sleeve, and rotates the connecting rod, and makes the upper end of connecting rod rotate into the first connecting groove, can be connected between connecting rod and the first piston, and the second sampling pipe is pushed up, and the connecting rod drops in the second sampling pipe, and the top of first abutment sleeve and the bottom of first connecting sleeve abut, and rotates the thread sleeve, and the upper end of thread sleeve is rotated on the first connecting sleeve, and the first connecting sleeve and first abutment sleeve are tightly connected through the thread sleeve, that is, realize assembling, when using, pull the pull rod, and the pull rod is driven the second piston in the second sampling pipe through the first piston and first connecting groove, and the first sampling pipe and the second sampling pipe can be sampled simultaneously, when needing to continue increasing sampling point, the sealing plug of one group of connecting structure upside is unscrewed, and is rotated on the second connecting sleeve of one group of connecting structure downside, and the connecting rod in one group of connecting structure downside is pulled out, and is rotated into the second connecting groove of one group of connecting structure upside, then the first abutment sleeve of one group of connecting structure downside and the second connecting sleeve of one group of connecting structure upside abut, and the thread sleeve of one group of connecting structure downside is rotated on the second connecting sleeve of one group of connecting structure upside, can realize the convenient assembling between two groups of connecting structure, and the scope of application is wider, and is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure front view schematic diagram of the utility model;

[0018] Figure 2 It is the structure front view cross section schematic diagram of the utility model;

[0019] Figure 3 It is the front view cross section structure explosion schematic diagram of the utility model;

[0020] Figure 4 It is the front view cross section structure explosion schematic diagram of the connecting structure of the utility model.

[0021] In the drawing: 1, first sampling pipe;11, first one-way pipe;12, first inlet and outlet pipe;13, first connecting sleeve;14, hand;15, pull rod;16, first piston;17, first connecting groove;2, connecting structure;21, second sampling pipe;22, second inlet and outlet pipe;23, second one-way pipe;24, first abutment sleeve;25, thread sleeve;26, second connecting sleeve;27, sealing plug;28, second piston;29, connecting rod;210, second connecting groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0023] Please refer to Figures 1-4 An embodiment provided by the present application:

[0024] The first sampling pipe 1, the first one-way pipe 11, the first inlet and outlet pipe 12, the pull rod 15 and the first piston 16 used in the present application are products that can be directly purchased on the market, and their principles and connection modes are all prior art known to those skilled in the art, so they will not be described here.

[0025] The layered sampling device for food inspection and detection comprises a first sampling pipe 1, a first one-way pipe 11 installed on the top surface of the first sampling pipe 1, a first inlet and outlet pipe 12 installed on the bottom surface of the first sampling pipe 1, and a first connecting sleeve 13 integrally formed at the bottom end of the first sampling pipe 1.

[0026] A hand grip 14 is integrally formed at the top end of the first sampling pipe 1, a pull rod 15 is inserted into the inside of the hand grip 14, a first piston 16 is fixedly connected to the bottom end of the pull rod 15, and a first connecting groove 17 is formed on the bottom surface of the first piston 16.

[0027] A connecting structure 2 is installed on the lower side of the first sampling pipe 1, the connecting structure 2 comprises a second sampling pipe 21, the second sampling pipe 21 is installed on the lower side of the first sampling pipe 1, a second inlet and outlet pipe 22 is fixedly connected to the bottom surface of the second sampling pipe 21, a second one-way pipe 23 is fixedly connected to the top surface of the second sampling pipe 21, a first abutting sleeve 24 is integrally formed at the top end of the second sampling pipe 21, a threaded sleeve 25 is threadedly connected to the outside of the first abutting sleeve 24, a second connecting sleeve 26 is integrally formed at the bottom end of the second sampling pipe 21, a sealing plug 27 is threadedly connected to the bottom end of the second connecting sleeve 26, a second piston 28 is movably installed on the inside of the second sampling pipe 21, a connecting rod 29 is fixedly connected to the top surface of the second piston 28, a second connecting groove 210 is formed on the bottom surface of the second piston 28, and the cooperation of the first abutting sleeve 24, the threaded sleeve 25 and the second connecting sleeve 26 enables the multiple connecting structures 2 to be mutually spliced, and the cooperation of the connecting rod 29 and the second connecting groove 210 enables the multiple connecting structures 2 to be simultaneously sampled by pulling the pull rod 15, so that the application range is wider and the use is more convenient.

[0028] Further, the first piston 16 is located on the inside of the first sampling pipe 1, and the first piston 16 is movable on the inside of the first sampling pipe 1, so that sampling can be conveniently performed through the first inlet and outlet pipe 12.

[0029] Further, the top end of the first abutting sleeve 24 is in contact with the bottom end of the first connecting sleeve 13, and the contact surface is provided with a sealing gasket, the upper end of the threaded sleeve 25 is connected outside the bottom end of the first connecting sleeve 13 through threads, the threaded sleeve 25 provides fixation for the connection between the first sampling tube 1 and the connecting structure 2, avoiding the device from falling off.

[0030] Further, the first connecting sleeve 13 and the second connecting sleeve 26 are equal in size, the sealing plug 27 is adapted to the first connecting sleeve 13 and the second connecting sleeve 26, and the second connecting sleeve 26 seals the bottom end of the first sampling tube 1 and the second sampling tube 21.

[0031] Further, the upper end of the connecting rod 29 is exposed inside the first abutting sleeve 24 and is inserted into the first sampling tube 1 via the first connecting sleeve 13, and the upper end of the connecting rod 29 is fixedly installed in the first connecting groove 17 through threads, the cooperation of the connecting rod 29 and the first connecting groove 17 enables the movement of the connecting rod 29 to be driven by the movement of the pull rod 15, realizing linkage between the first sampling tube 1 and the connecting structure 2.

[0032] Further, the first connecting groove 17 and the second connecting groove 210 are equal in size, the connecting rod 29 is adapted to the first connecting groove 17 and the second connecting groove 210, the upper end of the connecting rod 29 can be rotated in the first connecting groove 17, and when connecting the two groups of connecting structures 2, the connecting rod 29 can also be rotated in the second connecting groove 210.

[0033] Working principle: when assembling, unscrew the sealing plug 27, screw the sealing plug 27 on the second connecting sleeve 26, pull the connecting rod 29 upwards, pull the connecting rod 29 out of the second sampling tube 21, the connecting rod 29 drives the second piston 28 to rise from the second sampling tube 21, insert the upper end of the connecting rod 29 into the first connecting sleeve 13, and rotate the connecting rod 29 to make the upper end of the connecting rod 29 rotate into the first connecting groove 17, connect the connecting rod 29 and the first piston 16, push the second sampling tube 21 upwards, the connecting rod 29 descends in the second sampling tube 21, the top end of the first abutting sleeve 24 abuts against the bottom end of the first connecting sleeve 13, rotate the threaded sleeve 25 to screw the upper end of the threaded sleeve 25 on the first connecting sleeve 13, and tightly connect the first connecting sleeve 13 and the first abutting sleeve 24 through the threaded sleeve 25, that is, realize assembly, when using, pull the pull rod 15, the pull rod 15 drives the second piston 28 to move in the second sampling tube 21 through the first piston 16 and the first connecting groove 17, so that the first sampling tube 1 and the second sampling tube 21 can be sampled at the same time;

[0034] When it is needed to continue to increase the sampling points, the sealing plug 27 of the upper set of connecting structures 2 is unscrewed and screwed on the second connecting sleeve 26 of the lower set of connecting structures 2, the connecting rod 29 in the lower set of connecting structures 2 is pulled out and screwed into the second connecting groove 210 of the upper set of connecting structures 2, then the first abutting sleeve 24 of the lower set of connecting structures 2 is abutted with the second connecting sleeve 26 of the upper set of connecting structures 2, and the threaded sleeve 25 of the lower set of connecting structures 2 is screwed on the second connecting sleeve 26 of the upper set of connecting structures 2, so that the convenient assembly between the two sets of connecting structures 2 is realized, the application range is wider, and the practicality is higher.

[0035] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolutions made by the skilled in the art within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.

Claims

1. A layered sampling device for food inspection testing, comprising: The first sampling pipe (1) is provided with a first one-way pipe (11) on the top surface, a first inlet and outlet pipe (12) on the bottom surface, and a first connecting sleeve (13) on the bottom end; It is characterized in that: The first sampling pipe (1) is provided with a first one-way pipe (11) on the top surface, a first one-way pipe (11) on the top surface, a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first one-way pipe (11) on the top surface, and a first 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A stratified sampling device for use in food inspection testing according to claim 1, characterized in that: ​ 3. The layered sampling device for food inspection and testing according to claim 1, characterized in that: ​ 4. The layered sampling device for food inspection and testing according to claim 1, characterized in that: ​ 5. The layered sampling device for food inspection and testing according to claim 1, characterized in that: ​ 6. The layered sampling device for food inspection and testing according to claim 1, wherein: ​

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