Sample sampling mechanism

Abstract

The utility model relates to the technical field of sampling equipment, and discloses a sample sampling mechanism which comprises an equipment body and a sampling head, a connecting cylinder is arranged on the outer wall of one end of the equipment body, the connecting cylinder is communicated with an inner cavity of the equipment body, the sampling head is inserted into the equipment body through the connecting cylinder, and a limiting mechanism is mounted on the outer wall of the connecting cylinder. The limiting mechanism comprises limiting frames fixedly connected to the outer walls of the two sides of the connecting cylinder, a pressing linkage assembly is further installed on the outer wall of the top of the connecting cylinder, the pressing linkage assembly comprises a plurality of limiting rods fixedly connected to the outer wall of the middle section of the top of the connecting cylinder, and the outer wall paintings of the limiting rods are connected with pressing plates. Through mutual cooperation of the arranged limiting mechanism and the pressing linkage assembly, the two clamping blocks can be rapidly driven to move oppositely or relatively, so that rapid disassembly and assembly operation of the sampling head is realized, and when a sample in the equipment body is moved out, a user can conveniently disassemble the sampling head.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sampling equipment, in particular to a sample sampling mechanism. BACKGROUND

[0002] In many scientific research, environmental monitoring, industrial production quality control and other fields, it is often necessary to collect various samples for subsequent analysis and detection work;

[0003] However, the existing sample sampling mechanism needs to use a sampling probe for sampling when sampling. The sampling probe is a component of the sampling equipment inserted into the water body. The water sample is collected through the sampling probe. The sampling probe needs to be connected with the equipment body before use, and needs to be disassembled after use to facilitate the user to take out the sample in the sampling equipment. The existing technology has the problem that it is not convenient for the user to disassemble the probe, thereby causing inconvenience for the user to take out the sample in the sampling equipment, and the user is not convenient to use. Therefore, a sample sampling mechanism is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a sample sampling mechanism to solve the problems in the background art.

[0005] The sample sampling mechanism provided by the present application adopts the following technical scheme:

[0006] A sample sampling mechanism, comprising a device body and a sampling head, one end of the device body is provided with a connecting barrel, the connecting barrel is in communication with the inner cavity of the device body, the sampling head is inserted into the device body through the connecting barrel, and the outer wall of the connecting barrel is provided with a limiting mechanism;

[0007] The limiting mechanism comprises a limiting frame fixedly connected to the outer walls of the connecting barrel on both sides, the outer wall of the limiting frame is connected with a movable plate, the side of the movable plate away from the connecting barrel is fixedly connected with a clamping block, and the ends of the two clamping blocks away from the movable plate penetrate into the inside of the connecting barrel.

[0008] The top outer wall of the connecting barrel is also provided with a pressing linkage assembly, the pressing linkage assembly comprises a plurality of limiting rods fixedly connected to the top middle outer wall of the connecting barrel, the outer wall of the plurality of limiting rods is connected with a pressing plate, the outer walls of the two sides of the pressing plate are rotatably connected with a connecting rod through a rotating shaft, and the middle segments of the two movable plates away from each other are welded with a connecting block.

[0009] Preferably, the outer wall of the limiting rod is sleeved with a spring two, the top end of the spring two is fixedly connected to the bottom outer wall of the pressing plate, and the bottom end of the spring two is fixedly connected to the top outer wall of the connecting barrel.

[0010] Preferably, the outer wall of the limiting frame is sleeved with a spring one, one end of the spring one is fixedly connected to the outer wall of the side of the movable plate away from the clamping block, and the other end is fixedly connected to the outer wall of the side of the limiting frame facing the movable plate.

[0011] Preferably, the sampling head comprises a needle, a limiting block and a plug column, the plug column is adaptively inserted into the connecting barrel, the limiting block is in close contact with the outer wall of the end of the connecting barrel, and the outer wall of the plug column is symmetrically provided with two clamping grooves.

[0012] Preferably, the two clamping blocks are adaptively clamped at one end inside the connecting barrel and the two clamping grooves.

[0013] To sum up, the present application has the following beneficial technical effects:

[0014] The limiting mechanism and the pressing linkage assembly are matched with each other, so that the two clamping blocks can be quickly driven to move away from each other or towards each other, thereby realizing the quick disassembly and assembly of the sampling head. When the sample inside the device body is removed, the user can conveniently disassemble the sampling head, and the problem that the existing sampling probe is inconvenient for the user to disassemble, thereby causing inconvenience for the user to take out the sample inside the sampling device and inconvenience for the user to use, is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall schematic view of the application embodiment;

[0016] Figure 2 is the three-dimensional schematic view of the application embodiment;

[0017] Figure 3 is the partial sectional view of the connecting barrel in the application embodiment;

[0018] Figure 4 is the partial sectional view of the sampling head in the application embodiment.

[0019] Explanation of reference signs: 1, device body; 2, sampling head; 21, needle; 22, limiting block; 23, plug column; 24, clamping groove; 3, connecting barrel; 31, limiting frame; 32, movable plate; 33, spring one; 34, clamping block; 4, pressing plate; 41, limiting rod; 42, spring two; 43, connecting rod; 44, connecting block. DETAILED DESCRIPTION

[0020] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The application will be further described in detail.

[0021] The application embodiment discloses a sample sampling mechanism. Referring to Figures 1-4The utility model provides a sample sampling mechanism, including device body 1 and sampling head 2, and the outer wall of one end of device body 1 is provided with connecting barrel 3, and connecting barrel 3 is connected with the inner chamber of device body 1, and sampling head 2 is inserted with device body 1 through connecting barrel 3, and the outer wall of connecting barrel 3 is installed with limiting mechanism;

[0022] The limiting mechanism includes limiting racks 31 fixedly connected to the outer walls on both sides of the connecting barrel 3, and the outer wall of each limiting rack 31 is connected with an activity plate 32, and the side of the activity plate 32 facing the connecting barrel 3 is fixedly connected with a clamping block 34, and the ends of the two clamping blocks 34 away from the activity plate 32 penetrate into and extend into the interior of the connecting barrel 3.

[0023] The top outer wall of the connecting barrel 3 is also provided with a pressing linkage assembly, which includes a plurality of limiting rods 41 fixedly connected to the top middle outer wall of the connecting barrel 3, and the outer wall of each limiting rod 41 is connected with a pressing plate 4, and the outer walls on both sides of the pressing plate 4 are rotatably connected with connecting rods 43 through rotating shafts, and the middle outer walls of the two activity plates 32 away from each other are welded with connecting blocks 44, and the ends of the connecting rods 43 away from the limiting rods 41 are rotatably connected to the top ends of the connecting blocks 44.

[0024] The outer wall of the limiting rod 41 is sleeved with a spring 42, and the top end of the spring 42 is fixedly connected to the bottom outer wall of the pressing plate 4, and the bottom end of the spring 42 is fixedly connected to the top outer wall of the connecting barrel 3.

[0025] The outer wall of the limiting rack 31 is sleeved with a spring 33, and one end of the spring 33 is fixedly connected to the side of the activity plate 32 away from the clamping block 34, and the other end of the spring 33 is fixedly connected to the side of the limiting rack 31 facing the activity plate 32.

[0026] The sampling head 2 includes a needle 21, a limiting block 22 and a plug column 23, the plug column 23 is inserted into the connecting barrel 3, the limiting block 22 is in close contact with the end outer wall of the connecting barrel 3, and the outer wall of the plug column 23 is symmetrically provided with two clamping grooves 24.

[0027] The ends of the two clamping blocks 34 inside the connecting barrel 3 are adaptedly clamped into the two clamping grooves 24.

[0028] The implementation principle of the sample sampling mechanism is as follows: when the sampling head 2 needs to be assembled with the equipment body 1 for sampling, the insertion column 23 is inserted into the connecting barrel 3, and when the insertion column 23 is inserted into the connecting barrel 3, the outer wall of the insertion column 23 extrudes the inclined surfaces at the ends of the two clamping blocks 34, so that the two clamping blocks 34 can be easily extruded outward, and the two clamping blocks 34 move outward and push the two movable plates 32 to slide on the outer wall of the limiting frame 31, at this time, the movable plate 32 is extruded by the limiting frame 31 to extrude the spring 1 33, so that the plurality of springs 1 33 are deformed to generate elastic force, when the insertion column 23 is completely inserted into the connecting barrel 3, the limiting block 22 is attached to the outer wall of the end of the connecting barrel 3, and cannot continue to enter the connecting barrel 3, the two clamping grooves 24 on the outer wall of the insertion column 23 are aligned with the two clamping blocks 34, the outer wall of the insertion column 23 no longer extrudes the clamping block 34, and the movable plate 32 is reset under the action of the elastic force of the spring 1 33, so that the movable plate 32 drives the clamping block 34 to re-extend into the connecting barrel 3, the clamping block 34 is clamped with the clamping groove 24, and the insertion column 23 is locked in the connecting barrel 3, and the fixed installation of the sampling head 2 is completed.

[0029] When disassembling, the linkage assembly is pressed, the pressing plate 4 is pressed downward, the pressing plate 4 slides downward on the outer wall of the plurality of limiting rods 41 and extrudes the spring 2 42, the spring 2 42 is deformed to generate elastic force, the pressing plate 4 extrudes the two connecting rods 43 in the downward movement process, the two connecting rods 43 rotate when the length is fixed, the bottom ends of the two connecting rods 43 expand outward, and the two connecting blocks 44 are pushed to move away from each other, the two connecting blocks 44 drive the two movable plates 32 to slide away from each other on the outer wall of the limiting frame 31, and the movable plate 32 drives the clamping block 34 to move out of the connecting barrel 3, so that the two clamping blocks 34 are simultaneously separated from the clamping of the clamping groove 24, the locking of the insertion column 23 is released, the sampling head 2 can be quickly disassembled from the connecting barrel 3, after disassembly, the pressing of the pressing plate 4 is released, and the pressing plate 4 is reset under the action of the elastic force of the plurality of spring 2 42 and spring 1 33, so as to facilitate the installation operation next time, and after the sampling head 2 is disassembled, the operator can conveniently sample the sample in the equipment body 1.

[0030] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0031] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0032] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

[0033] The above are the preferred embodiments of the present application, and are not limited by the scope of protection of the present application, therefore: any equivalent changes made in accordance with the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. A sample sampling mechanism comprising a device body (1) and a sampling head (2), characterized in that: One end outer wall of the device body (1) is provided with a connecting barrel (3), the connecting barrel (3) is communicated with the inner cavity of the device body (1), the sampling head (2) is inserted with the device body (1) through the connecting barrel (3), the outer wall of the connecting barrel (3) is provided with a limiting mechanism; The limiting mechanism comprises a limiting frame (31) fixedly connected to the outer walls on both sides of the connecting barrel (3), the outer wall of the limiting frame (31) is connected with a movable plate (32), one side of the movable plate (32) fixedly connected with a clamping block (34) towards the outer wall of the connecting barrel (3), the two clamping blocks (34) extend into the interior of the connecting barrel (3) from one end away from the movable plate (32); The top outer wall of the connecting barrel (3) is also provided with a pressing linkage assembly, the pressing linkage assembly comprises a plurality of limiting rods (41) fixedly connected to the top outer wall of the connecting barrel (3), a plurality of limiting rods (41) are connected with a pressing plate (4) on the outer wall, the outer walls on both sides of the pressing plate (4) are rotatably connected with a connecting rod (43) through a rotating shaft, the middle outer walls of the two movable plates (32) away from each other are welded with a connecting block (44), one end of the connecting rod (43) away from the limiting rod (41) is rotatably connected to the top end of the connecting block (44).

2. A sample sampling mechanism according to claim 1, characterized in that: The outer wall of the limiting rod (41) is sleeved with a spring (42), one end of the spring (42) is fixedly connected to the bottom outer wall of the pressing plate (4), and the other end is fixedly connected to the top outer wall of the connecting barrel (3).

3. The sample sampling mechanism of claim 1, wherein: The outer wall of the limiting frame (31) is sleeved with a spring (33), one end of the spring (33) is fixedly connected to the outer wall of the movable plate (32) away from the clamping block (34), and the other end is fixedly connected to the outer wall of the limiting frame (31) towards the movable plate (32).

4. The sample sampling mechanism of claim 1, wherein: The sampling head (2) comprises a needle (21), a limiting block (22) and a plug column (23), the plug column (23) is adapted to be inserted into the connecting barrel (3), the limiting block (22) is fitted with the outer wall of the end of the connecting barrel (3), and the outer wall of the plug column (23) is symmetrically provided with two clamping grooves (24).

5. A sample sampling mechanism according to claim 4, wherein: Two clamping blocks (34) located in one end of the connecting barrel (3) are adapted to be clamped with two clamping grooves (24).

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