Sampling tube structure assembly and sampler

Abstract

The utility model discloses a sampling tube structure assembly which comprises a support and a collecting tube installed on the support, the support is used for being connected with a sampling bin, a rotating shaft is arranged in the middle of the outer wall of the collecting tube, the rotating shaft is hinged to the support, a limiting rod is further arranged on the outer wall of the collecting tube, an arc-shaped groove is formed in the corresponding position of the support, and the outer end of the limiting tube is embedded into the arc-shaped groove. When the collecting pipe can swing around the rotating shaft, the limiting rod slides along the arc-shaped groove, swing of the collecting pipe is limited, then the inclination angle of the collecting pipe is adjusted, and the position of the collecting pipe is fixed through the positioning piece arranged at the tail end of the limiting rod. The inclination of the collecting pipe is adjusted according to needs, the collecting pipe is fixed through the positioning piece, so that the collecting pipe is kept stable, the collecting pipe is prevented from shaking, a hole in the connecting position of the sampling bin and the collecting pipe is prevented from being enlarged, material leakage is prevented, and the device is simple in structure and convenient to use. The utility model further discloses a sampling machine comprising the sampling pipe structure assembly.

Description

Technical Field

[0001] The utility model relates to the field of sampling equipment, in particular to a sampling pipe structure assembly. In addition, the utility model also relates to a sampling machine including the above sampling pipe structure assembly. Background Technique

[0002] In order to ensure the quality of fixed granular or powdery materials, it is necessary to sample and detect the materials. Therefore, a sampling machine is provided. The sampling machine includes a sample storage tank and a sampling pipe structure assembly connected to the sample storage tank. The sampling pipe structure assembly is connected to the sampling bin of the equipment, and the materials in the sampling bin enter the sample storage tank through the sampling pipe structure assembly for subsequent detection.

[0003] In the prior art, the components of the sampling pipe structure assembly are connected by welding. Among them, the inclination angle of the collection pipe does not match the equipment, reducing the applicability. Further, affected by materials and welding techniques, it is easy to generate shaking during the working process, resulting in the gradual enlargement of the insertion hole in the sampling port and causing material leakage.

[0004] Therefore, how to provide a sampling pipe structure assembly capable of adjusting the inclination angle is a technical problem that those skilled in the art need to solve at present. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a sampling pipe structure assembly, which is provided with a collection pipe that can swing, adjusts the inclination angle of the collection pipe, and is fixed by a positioning member to ensure the stability of the collection pipe and avoid shaking. Another purpose of the utility model is to provide a sampling machine including the above sampling pipe structure assembly.

[0006] To solve the above technical problems, the utility model provides a sampling pipe structure assembly, which includes a bracket and a collection pipe installed on the bracket. The bracket is used to connect the sampling bin. A rotating shaft is arranged in the middle of the outer wall of the collection pipe, and the rotating shaft is hinged to the bracket. A limiting rod is also arranged on the outer wall of the collection pipe, and an arc-shaped groove is arranged at the corresponding position of the bracket. The center of the arc-shaped groove coincides with the hinge point of the rotating shaft. The outer end of the limiting pipe is embedded in the arc-shaped groove. When the collection pipe swings around the rotating shaft, the limiting rod slides along the arc-shaped groove, and a positioning member for fixing the position of the collection pipe is arranged at the end of the limiting rod.

[0007] Preferably, the bracket includes two opposite mounting plates, the collection pipe is arranged between the two mounting plates, and the extending direction of the collection pipe is parallel to the inner plate surfaces opposite to the two mounting plates.

[0008] Preferably, two rotating shafts arranged coaxially are included, and the inner ends of the two rotating shafts are respectively connected to the opposite outer walls of the collection pipe, and the outer ends of the two rotating shafts are respectively hinged to the two inner plate surfaces.

[0009] Preferably, it includes two of the limiting rods arranged coaxially, and inner ends of the two limiting rods are respectively connected to opposite outer walls of the collecting pipe, and outer ends of the two limiting rods are respectively embedded in the arc-shaped grooves on the two inner plate surfaces.

[0010] Preferably, a rotating groove is provided at one end of the inner plate surface, the arc-shaped groove is provided at the other end of the inner plate surface, the outer end of the rotating shaft is embedded in the rotating groove, and the outer end of the limiting rod is embedded in the arc-shaped groove.

[0011] Preferably, a limiting disc is coaxially arranged at the outer end of the rotating shaft, the diameter of the limiting disc is larger than that of the rotating shaft, and the shape of the rotating groove matches the shapes of the rotating shaft and the limiting disc.

[0012] Preferably, a connecting plate is provided on the outer plate surface of the mounting plate, and a connecting hole for connecting a bolt is provided on the connecting plate.

[0013] Preferably, the outer end of the limiting rod passes through the mounting plate through the arc-shaped groove, and an external thread is provided at the outer end of the limiting rod. The positioning member is a locking ring matching the external thread, and the locking ring is threadedly mounted at the outer end of the limiting rod and presses against the outer plate surface of the mounting plate.

[0014] Preferably, an angle mark is provided on the outer plate surface near the arc-shaped groove.

[0015] The present utility model provides a sampling machine, including the sampling pipe structure assembly described in any one of the above.

[0016] The present utility model provides a sampling pipe structure assembly, including a bracket and a collecting pipe mounted on the bracket. The bracket is used to connect a sampling bin. A rotating shaft is provided in the middle of the outer wall of the collecting pipe, and the rotating shaft is hinged to the bracket. A limiting rod is further provided on the outer wall of the collecting pipe, and an arc-shaped groove is provided at the corresponding position of the bracket. The center of the arc-shaped groove coincides with the hinge point of the rotating shaft. The outer end of the limiting pipe is embedded in the arc-shaped groove. When in use, when the collecting pipe can swing around the rotating shaft, at the same time, the limiting rod slides along the arc-shaped groove to limit the swing of the collecting pipe, thereby adjusting the inclination angle of the collecting pipe, and then the position of the collecting pipe is fixed by the positioning member provided at the end of the limiting rod.

[0017] Adjust the inclination of the collecting pipe as needed, so as to facilitate the material in the sampling bin of the equipment to be taken out through the collecting pipe, and fix the collecting pipe through the positioning member, so as to keep the collecting pipe stable, prevent the collecting pipe from shaking, avoid increasing the hole at the connection between the sampling bin and the collecting pipe, prevent material leakage, and the device has a simple structure and is convenient to use.

[0018] The present utility model further provides a sampling machine including the above-mentioned sampling tube structure assembly. Since the above-mentioned sampling tube structure assembly has the above-mentioned technical effects, the above-mentioned sampling machine should also have the same technical effects, which will not be described in detail herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front view schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model;

[0020] Figure 2 is a side view schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model;

[0021] Figure 3 is a top view cross-sectional schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model;

[0022] Figure 4 is a bottom view cross-sectional schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model.

[0023] Among them, the collection tube 1, the rotating shaft 2, the limiting rod 3, the arc-shaped groove 4, the mounting plate 5, the limiting disc 6, the connecting plate 7, the bolt 8, the locking ring 9. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The core of the present utility model is to provide a sampling tube structure assembly, which is provided with a collection tube that can swing, adjusts the inclination angle of the collection tube, and is fixed by a positioning member to ensure the stability of the collection tube and avoid shaking. Another core of the present utility model is to provide a sampling machine including the above-mentioned sampling tube structure assembly.

[0025] In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0026] Please refer to Figures 1 to 4 , Figure 1 is a front view schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model; Figure 2 is a side view schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model; Figure 3 is a top view cross-sectional schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model; Figure 4 is a bottom view cross-sectional schematic diagram of a specific embodiment of the sampling tube structure assembly provided by the present utility model. Among them, Figure 3 the cross-sectional position of Figure 4 is located at the axis of the rotating shaft 2,

[0027] The specific implementation manner of the present utility model provides a sampling tube structure assembly, including a bracket and a collection tube 1 installed on the bracket. Among them, the bracket is installed on the outer wall of the equipment sampling bin. A rotating shaft 2 is arranged in the middle of the outer wall of the collection tube 1. The rotating shaft 2 is hinged to the bracket, so that the collection tube 1 can swing around the rotating shaft 2. At the same time, a limiting rod 3 is also arranged on the outer wall of the collection tube 1. There is a gap between the rotating shaft 2 and the limiting rod 3 in the axial direction of the collection tube 1. And an arc-shaped groove 4 is arranged at the corresponding position of the bracket. The center of the arc-shaped groove 4 coincides with the hinge point of the rotating shaft 2. During the swinging process of the collection tube 1, the limiting rod 3 is driven to form an arc-shaped trajectory, and this arc-shaped trajectory coincides with the arc-shaped groove 4. The outer end of the limiting tube is embedded in the arc-shaped groove 4. When the collection tube 1 swings around the rotating shaft 2, the limiting rod 3 slides along the arc-shaped groove 4 to realize the guiding and limiting function. A positioning member for fixing the position of the collection tube 1 is arranged at the end of the limiting rod 3.

[0028] Adjust the inclination of the collection tube 1 as needed, so as to facilitate the extraction of the material in the equipment sampling bin through the collection tube 1, and fix the collection tube 1 through the positioning member, so as to keep the collection tube 1 stable, prevent the collection tube 1 from shaking, avoid increasing the hole at the connection between the sampling bin and the collection tube 1, prevent material leakage, and the device has a simple structure and is convenient to use.

[0029] Specifically, the bracket includes two installation plates 5 arranged oppositely. The plate surfaces of the two installation plates 5 are parallel to each other. Define the two opposite surfaces of the two installation plates 5 as the inner plate surfaces, and the two opposite surfaces as the outer plate surfaces. And there is a gap between the two installation plates 5. The collection tube 1 is arranged in the gap between the two installation plates 5, and the extending direction of the collection tube 1 is parallel to the inner plate surfaces of the two installation plates 5 opposite to each other. Of course, brackets with other structures can also be used, such as a frame structure, etc., which are all within the protection scope of the present utility model.

[0030] In the first embodiment, there are two rotating shafts 2 arranged coaxially, and the two rotating shafts 2 are symmetrically arranged. The inner ends of the two rotating shafts 2 are respectively connected to the opposite outer walls of the collection tube 1. The outer ends of the two rotating shafts 2 are respectively hinged to the two inner plate surfaces. The axis of the rotating shaft 2 passes through the collection tube 1. There are also two limiting rods 3 arranged coaxially, and the two limiting rods 3 are symmetrically arranged. The inner ends of the two limiting rods 3 are respectively connected to the opposite outer walls of the collection tube 1. The outer ends of the two limiting rods 3 are respectively embedded in the arc-shaped grooves 4 on the two inner plate surfaces. The axis of the limiting rod 3 passes through the collection tube 1. The rotating shaft 2 and the limiting rod 3 are parallel to each other and are all perpendicular to the collection tube 1.

[0031] In the second embodiment, a single rotating shaft 2 is provided. The middle of the rotating shaft 2 is connected to the outer wall of the collection tube 1. The two ends of the rotating shaft 2 are hinged to the two inner plate surfaces. The axis of the rotating shaft 2 is located outside the collection tube 1. A single limiting rod 3 is provided. The middle of the limiting rod 3 is connected to the outer wall of the collection tube 1. The two ends of the limiting rod 3 are connected to the two inner plate surfaces. The axis of the limiting rod 3 is located outside the collection tube 1. The rotating shaft 2 and the limiting rod 3 are parallel to each other and are all perpendicular to the collection tube 1.

[0032] Further, a rotating groove is provided at one end of the inner plate surface, and an arc-shaped groove 4 is provided at the other end of the inner plate surface. The outer end of the rotating shaft 2 is embedded in the rotating groove, and the outer end of the limiting rod 3 is embedded in the arc-shaped groove 4.

[0033] To ensure the stable connection of the rotating shaft 2, a limiting disc 6 is coaxially arranged at the outer end of the rotating shaft 2. The diameter of the limiting disc 6 is larger than the diameter of the rotating shaft 2, and the shape of the rotating groove matches the shapes of the rotating shaft 2 and the limiting disc 6, that is, the rotating groove is a stepped groove structure. The diameter of the stepped groove near the collection tube 1 is smaller than the diameter of the end far from the collection tube 1, so that the rotating shaft 2 can rotate smoothly and will not break away.

[0034] In the sampling tube structure assembly provided by the specific embodiment of the present utility model, a connecting plate 7 is arranged on the outer plate surface of the mounting plate 5, and the two are perpendicular to each other. The mounting plate 5 and the connecting plate 7 form an L-shaped base structure. One plate of the L-shaped base structure is used to connect the collection tube 1, and the other plate is used to connect the sampling bin. Connecting holes are provided on the connecting plate 7, and bolts 8 are installed in the connecting holes. The connection between the connecting plate 7 and the sampling bin is realized through the bolts 8. An end row groove is provided on the side wall of the collection tube 1, and the upper end of the end row groove is exposed, which is convenient for the collection tube 1 to take out materials through the end row groove in the sampling bin.

[0035] On the basis of the sampling tube structure assembly provided by the above specific embodiments, the arc-shaped groove 4 is a through groove, which penetrates the inner plate surface and the outer plate surface of the mounting plate 5. Further, the outer end of the limiting rod 3 penetrates the mounting plate 5 through the arc-shaped groove 4, so that the outer end of the limiting rod 3 protrudes from the outer plate surface of the mounting plate 5. And an external thread is provided at the outer end of the limiting rod 3. The positioning member is a locking ring 9 that matches the external thread. An internal thread is provided in the locking ring 9. The locking ring 9 is installed on the outer end of the limiting rod 3 through the thread and presses the outer plate surface of the mounting plate 5 to fix the position of the collection tube 1. Among them, angle marks are provided on the outer plate surface near the arc-shaped groove 4 to realize angle visualization when adjusting the inclination angle.

[0036] During use, a technician installs the mounting plate 5 at the sampling bin through the bolts 8. Then, the collection tube 1 rotates around the rotating shaft 2, so that it is convenient for the collection tube 1 to drive the limiting rod 3 to slide in the arc-shaped groove 4. After adjusting to the appropriate angle, then the locking ring 9 is threadedly connected to the limiting rod 3, so as to conveniently keep the collection tube 1 stable. Then, the material is discharged through the collection tube 1.

[0037] In addition to the above sampling tube structure assembly, the specific embodiment of the present utility model also provides a sampling machine including the above sampling tube structure assembly. For the structures of other parts of the sampling machine, please refer to the prior art and will not be elaborated herein.

[0038] The above has introduced in detail the sampling tube structure assembly and the sampling machine provided by the present utility model. Specific examples are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A sampling tube structure assembly, characterized in that: The invention comprises a bracket and a collection tube (1) mounted on the bracket, wherein the bracket is used to connect a sampling chamber, a rotating shaft (2) is arranged in the middle of the outer wall of the collection tube (1), the rotating shaft (2) is hinged to the bracket, a limiting rod (3) is also arranged on the outer wall of the collection tube (1), an arc groove (4) is arranged at a corresponding position of the bracket, the center of the arc groove (4) coincides with the hinge of the rotating shaft (2), the outer end of the limiting tube is embedded in the arc groove (4), when the collection tube (1) swings around the rotating shaft (2), the limiting rod (3) slides along the arc groove (4), and a positioning piece for fixing the position of the collection tube (1) is arranged at the end of the limiting rod (3).

2. The sampling tube structure assembly according to claim 1, characterized in that: The bracket comprises two mounting plates (5) arranged opposite to each other, the collection tube (1) is arranged between the two mounting plates (5), and the extension direction of the collection tube (1) is parallel to the inner plate surfaces opposite to each other of the two mounting plates (5).

3. The sampling tube structure assembly according to claim 2, characterized in that: It comprises two coaxially arranged rotating shafts (2), wherein the inner ends of the two rotating shafts (2) are respectively connected to the opposite outer walls of the collection tube (1), and the outer ends of the two rotating shafts (2) are respectively hinged to the two inner plate surfaces.

4. The sampling tube structure assembly according to claim 3, characterized in that: It comprises two coaxially arranged limiting rods (3), wherein the inner ends of the two limiting rods (3) are connected to the opposite outer walls of the collection tube (1), and the outer ends of the two limiting rods (3) are respectively embedded in the arc-shaped grooves (4) on the two inner plate surfaces.

5. The sampling tube structure assembly according to claim 4, characterized in that: One end of the inner plate surface is provided with a rotation groove, and the other end of the inner plate surface is provided with the arc groove (4), the outer end of the rotating shaft (2) is embedded in the rotation groove, and the outer end of the limiting rod (3) is embedded in the arc groove (4).

6. The sampling tube structure assembly according to claim 5, characterized in that: A limiting disc (6) is coaxially arranged on the outer end of the rotating shaft (2); the diameter of the limiting disc (6) is larger than the diameter of the rotating shaft (2); and the shape of the rotating groove matches the shapes of the rotating shaft (2) and the limiting disc (6).

7. The sampling tube structure assembly according to claim 2, characterized in that: A connecting plate (7) is provided on the outer plate surface of the mounting plate (5), and a connecting hole for connecting bolts (8) is provided on the connecting plate (7).

8. The sampling tube structure assembly according to any one of claims 2 to 7, characterized in that: The outer end of the limiting rod (3) passes through the mounting plate (5) through the arc groove (4), and the outer end of the limiting rod (3) is provided with an external thread, and the positioning member is a locking ring (9) matching the external thread, and the locking ring (9) is installed on the outer end of the limiting rod (3) through a thread and presses the outer plate surface of the mounting plate (5).

9. The sampling tube structure assembly according to claim 8, characterized in that: An angle mark is provided on the outer plate surface near the arc-shaped groove (4).

10. A sampling machine, characterized in that: It comprises the sampling tube structure assembly as described in any one of claims 1 to 9.

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