Overflow elbow convenient for sampling

By introducing a curved valve core and a pull rod structure into the overflow bend, and utilizing the principle of negative pressure and sealing, the problem of inconvenient sampling of hydrocyclone overflow products is solved, achieving rapid and accurate sampling results.

CN223179839UActive Publication Date: 2025-08-01WEIHAI ZHENGHAO MINING EQUIP CO LTD
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Patent Information

Application Number
CN202422337048.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-08-01
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

In the existing technology, it is inconvenient and the results are inaccurate to sample the overflow products of hydrocyclones, mainly due to the high flow velocity of the fluid in the overflow box and the interference of suspended particles.

Method used

An overflow bend that facilitates sampling was designed. By setting a bent valve core and a pull rod between the overflow bend body and the sampling tube, rapid sampling is achieved using the principle of negative pressure. Combined with interference fit and rubber sleeve and other structures, the sealing performance and ease of operation are improved.

Benefits of technology

This technology enables rapid sampling under negative pressure in the sampling tube when the overflow bend is closed, improving the convenience and sealing of the sampling process and ensuring the accuracy of the sampling results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an overflow elbow convenient for sampling, which belongs to the technical field of overflow pipes and comprises an overflow elbow body. A sampling pipe which is vertically arranged is mounted on the horizontal section of the overflow elbow main body in a butt joint manner, a sampling nozzle is mounted on the side wall of the sampling pipe in a butt joint manner, a sampling piston is movably mounted on the inner pipe wall of the sampling pipe, and the upper end of the sampling piston is fixedly connected with a drawing rod handle which extends out of the sampling pipe; a bent stop valve which is communicated with the sampling pipe and the horizontal section of the overflow elbow main body at the same time is mounted on one side of the sampling pipe in a butt joint manner, a bent valve core is movably mounted in the bent stop valve, a rocker which extends out of the bent stop valve is fixedly connected to the bent valve core, and opening / closing of the overflow elbow main body can be controlled by rotating the bent valve core through the rocker. According to the utility model, an additional sampling device is not needed during sampling, so that the sampling process is simplified, the operation is simple and quick, the efficiency is greatly improved, and the real-time monitoring requirement in the production process is met.
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Description

Technical Field

[0001] The utility model relates to the technical field of overflow pipes, in particular to an overflow elbow which is convenient for sampling. Background Art

[0002] Currently, sampling of cyclone overflow products is typically performed in an overflow tank. This requires the use of specialized sampling tools, such as sampling bottles or samplers, which are inserted into the overflow tank for sampling. Due to the high velocity of the fluid and the presence of a large number of suspended particles within the overflow tank, the sampling process is easily disturbed, making sampling inconvenient and leading to inaccurate results. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide an overflow elbow which is convenient for sampling. When sampling, it is only necessary to close the overflow elbow body. At this time, the sampling tube is opened. At this time, the pull-out rod handle is pulled upward, and the sampling piston moves upward. The sampling tube is in a negative pressure state, and the liquid level of the overflow product in the sampling tube will rise as the sampling piston moves upward. When the sampling nozzle is docked with a container, the overflow product will flow from the sampling nozzle into the container, and the sampling can be completed quickly.

[0004] In order to solve the above technical problems, the technical solution of the present utility model is achieved as follows:

[0005] An overflow elbow convenient for sampling comprises an overflow elbow main body, the vertical section of the overflow elbow main body extends into the overflow box, the horizontal section of the overflow elbow main body is connected to the overflow pipe through a flange; a vertically arranged sampling tube is docked and installed on the horizontal section of the overflow elbow main body, a sampling nozzle is docked and installed on the side wall of the sampling tube, a sampling piston is movably installed on the inner tube wall of the sampling tube, and the upper end of the sampling piston is fixedly connected to a pulling rod extending out of the sampling tube; a curved section connected to the sampling tube and the horizontal section of the overflow elbow main body is docked and installed on one side of the sampling tube Check valve, a curved valve core is movably installed inside the curved stop valve, and a rocker extending out of the curved stop valve is fixedly connected to the curved valve core; the curved valve core can be rotated by the rocker to enter the overflow elbow body or the sampling tube, and the curved valve core controls the opening / closing of the overflow elbow body or the opening / closing of the sampling tube; when the curved valve core rotates into the overflow elbow body, the overflow elbow body is in a closed state, and the sampling tube is in an open state; when the curved valve core rotates into the sampling tube, the overflow elbow body is in an open state, and the sampling tube is in a closed state.

[0006] When adopting the above scheme, when sampling, it is only necessary to close the overflow elbow body. At this time, the sampling tube is opened. At this time, the pull-out rod handle is pulled upward, the sampling piston moves upward, and the sampling tube is in a negative pressure state. The liquid level of the overflow product in the sampling tube will rise as the sampling piston moves upward. The container is docked at the sampling nozzle, and the overflow product will flow from the sampling nozzle into the container, and the sampling can be completed quickly.

[0007] As a preferred embodiment of an overflow elbow for facilitating sampling, the curved valve core is crescent-shaped and hollow inside.

[0008] By adopting the above solution, in order to make the curved valve core lighter, the interior of the curved valve core is hollowed out, which will save more effort when turning the rocker.

[0009] As a preferred embodiment of an overflow elbow for facilitating sampling, an interference fit is formed between the curved valve core and the inner wall of the curved stop valve.

[0010] In order to ensure the sealing performance of the curved valve core, the above solution adopts an interference fit method to improve the sealing effect of the two.

[0011] As a preferred embodiment of the overflow elbow for facilitating sampling, a rubber sleeve is mounted on the rod body of the rocker; wherein, a plurality of anti-slip grooves distributed in a linear array are provided on the surface of the rubber sleeve.

[0012] With the above solution, in order to improve the comfort of holding the joystick, a rubber sleeve is installed on the outside of the joystick, and anti-slip grooves are provided to increase the friction when holding it.

[0013] As a preferred embodiment of the overflow elbow for facilitating sampling, an interference fit is formed between the sampling piston and the inner wall of the sampling tube.

[0014] In order to ensure the sealing of the sampling piston, the above solution adopts an interference fit method to improve the sealing effect of the two.

[0015] As a preferred embodiment of the overflow elbow for facilitating sampling, the pull handle is specifically a T-shaped pull handle.

[0016] With the above solution, in order to save effort when pulling the drawer handle, the drawer handle is designed as a T-shaped handle, which is convenient for leveraging when pulling, thereby saving effort.

[0017] After adopting the above technical solution, the beneficial effects of the utility model are:

[0018] 1. When sampling, just close the overflow elbow body. At this time, the sampling tube is opened. At this time, pull the pull rod upward, the sampling piston moves upward, and the sampling tube is in a negative pressure state. The liquid level of the overflow product in the sampling tube will rise as the sampling piston moves upward. Connect the container at the sampling nozzle, and the overflow product will flow from the sampling nozzle into the container, and the sampling can be completed quickly.

[0019] 2. In order to make the curved valve core lighter, the interior of the curved valve core is hollowed out, which will save more effort when turning the rocker;

[0020] 3. In order to ensure the sealing of the curved valve core, an interference fit is adopted to improve the sealing effect of the two;

[0021] 4. To improve the comfort of holding the joystick, a rubber cover is installed on the outside of the joystick, and anti-slip grooves are provided to increase friction when holding it;

[0022] 5. In order to ensure the sealing of the sampling piston, an interference fit is adopted to improve the sealing effect of the two;

[0023] 6. In order to save effort when pulling the pull rod, the pull rod handle is designed as a T-shaped handle, which is convenient for leveraging when pulling, thus saving effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0025] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0026] Figure 2 To hide Figure 1 The three-dimensional structure diagram behind the overflow box;

[0027] Figure 3 For display Figure 1 State diagram of the internal structure during overflow;

[0028] Figure 4 For display Figure 1 State diagram of the internal structure during sampling;

[0029] Figure 5 for Figure 3 Three-dimensional structural diagram of the middle-bend valve core;

[0030] Figure 6For display Figure 5 Structural diagram of the internal situation;

[0031] Figure 7 for Figure 3 A three-dimensional structural diagram of the middle pull rod handle and sampling piston;

[0032] Markings in the figure: 1-overflow elbow body; 2-overflow box; 3-flange; 4-sampling tube; 5-sampling nozzle; 6-sampling piston; 7-pull rod handle; 8-bend stop valve; 9-bend valve core; 10-rocker; 11-rubber sleeve. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] like Figures 1 to 5 As shown, an overflow elbow for facilitating sampling is used in a cyclone, comprising an overflow elbow body 1, the vertical section of the overflow elbow body 1 extending into the overflow box 2, the horizontal section of the overflow elbow body 1 being connected to the overflow pipe via a flange 3; a vertically arranged sampling tube 4 is dockedly mounted on the horizontal section of the overflow elbow body 1, a sampling nozzle 5 is dockedly mounted on the side wall of the sampling tube 4, a sampling piston 6 is movably mounted on the inner wall of the sampling tube 4, and a pulling rod handle 7 extending out of the sampling tube 4 is fixedly connected to the upper end of the sampling piston 6; a nozzle 5 is dockedly mounted on one side of the sampling tube 4 and is connected to both the sampling tube 4 and the horizontal section of the overflow elbow body 1 The curved stop valve 8 has a curved valve core 9 movably installed inside the curved stop valve 8, and a rocker 10 extending out of the curved stop valve 8 is fixedly connected to the curved valve core 9; the curved valve core 9 can be rotated by the rocker 10 to enter the overflow elbow body 1 or the sampling tube 4, and the curved valve core 9 controls the opening / closing of the overflow elbow body 1 or the opening / closing of the sampling tube 4; when the curved valve core 9 rotates to enter the overflow elbow body 1, the overflow elbow body 1 is in a closed state, and the sampling tube 4 is in an open state; when the curved valve core 9 rotates to enter the sampling tube 4, the overflow elbow body 1 is in an open state, and the sampling tube 4 is in a closed state. When sampling, it is only necessary to close the overflow elbow body 1. At this time, the sampling tube 4 is opened. At this time, the pull rod handle 7 is pulled upward, and the sampling piston 6 moves upward. The sampling tube 4 is in a negative pressure state. The liquid level of the overflow product in the sampling tube 4 will rise as the sampling piston 6 moves upward. The container is docked at the sampling nozzle 5, and the overflow product will flow into the container from the sampling nozzle 5, and the sampling can be completed quickly.

[0035] likeFigures 5 to 6 As shown, the bent valve core 9 is in a crescent shape and is hollow inside. In order to make the bent valve core 9 lighter, the inside of the bent valve core 9 is hollowed out, so that it will be more labor-saving when turning the rocker 10.

[0036] An interference fit exists between the bent valve core 9 and the inner wall of the bent stop valve 8. In order to ensure the sealing performance of the fit of the bent valve core 9, an interference fit is adopted to improve the sealing effect between the two.

[0037] As Figure 5 shown, a rubber sleeve 11 is sleeved on the rod body of the rocker 10; among them, a plurality of anti-slip grooves are arranged on the surface of the rubber sleeve 11 in a linear array. In order to improve the comfort of holding the rocker 10, a rubber sleeve 11 is sleeved outside the rocker 10, and anti-slip grooves are provided to increase the friction when holding.

[0038] An interference fit exists between the sampling piston 6 and the inner wall of the sampling tube 4. In order to ensure the sealing performance of the fit of the sampling piston 6, an interference fit is adopted to improve the sealing effect between the two.

[0039] As Figure 7 shown, the pull rod handle 7 is specifically a T-shaped pull handle. In order to make it more labor-saving to pull the pull rod handle 7, the pull rod handle 7 is designed as a T-shaped pull handle, which is convenient to borrow force when pulling, so it is more labor-saving.

[0040] The working principle of the present utility model:

[0041] During normal overflow, by turning the bent valve core 9 through the rocker 10, it can enter the sampling tube 4. As Figure 3 shown, at this time, the overflow elbow main body 1 is in an open state, and the overflow product from the cyclone flows through the overflow elbow main body 1 into the overflow tank 2.

[0042] During sampling, only need to close the overflow elbow main body 1. At this time, the sampling tube 4 is opened. As Figure 4 shown, at this time, pull the pull rod handle 7 upward, the sampling piston 6 moves upward, the inside of the sampling tube 4 is in a negative pressure state, and the liquid level of the overflow product in the sampling tube 4 will rise as the sampling piston 6 moves upward. Connect a container at the sampling nozzle 5, and the overflow product will flow into the container from the sampling nozzle 5, and the sampling can be quickly completed.

[0043] The above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An overflow elbow pipe convenient for sampling, comprising an overflow elbow pipe main body (1), the vertical section of the overflow elbow pipe main body (1) extends into an overflow box (2), and the horizontal section of the overflow elbow pipe main body (1) is butt-jointed with an overflow pipe through a flange (3); It is characterized in that: A vertically arranged sampling pipe (4) is butt-jointed and installed on the horizontal section of the overflow elbow pipe main body (1), a sampling nozzle (5) is butt-jointed and installed on the side wall of the sampling pipe (4), a sampling piston (6) is movably installed on the inner wall of the upper part of the sampling pipe (4), and the upper end of the sampling piston (6) is fixedly connected with a pull rod handle (7) extending outside the sampling pipe (4); A bent stop valve (8) that is simultaneously communicated with the sampling pipe (4) and the horizontal section of the overflow elbow pipe main body (1) is butt-jointed and installed on one side of the sampling pipe (4), a bent valve core (9) is movably installed inside the bent stop valve (8), and a rocker (10) fixedly connected to the bent valve core (9) extends outside the bent stop valve (8); by rotating the bent valve core (9) through the rocker (10), it can enter the overflow elbow pipe main body (1) or the sampling pipe (4), and the bent valve core (9) controls the opening / closing of the overflow elbow pipe main body (1) or the opening / closing of the sampling pipe (4).

2. The overflow elbow pipe convenient for sampling according to claim 1, wherein: When the bent valve core (9) rotates and enters the overflow elbow pipe main body (1), at this time the overflow elbow pipe main body (1) is in a closed state, while the sampling pipe (4) is in an open state; when the bent valve core (9) rotates and enters the sampling pipe (4), at this time the overflow elbow pipe main body (1) is in an open state, while the sampling pipe (4) is in a closed state.

3. The overflow elbow pipe convenient for sampling according to claim 2, wherein: The bent valve core (9) is in a crescent shape and is hollow inside.

4. The overflow elbow pipe convenient for sampling according to claim 3, wherein: An interference fit is provided between the bent valve core (9) and the inner wall of the bent stop valve (8).

5. The overflow elbow facilitating sampling according to claim 4, wherein: A rubber sleeve (11) is sleeved on the rod body of the rocker (10).

6. The overflow elbow for facilitating sampling according to claim 5, characterized in that: Multiple anti-slip grooves are arranged in a linear array on the surface of the rubber sleeve (11).

7. The overflow elbow facilitating sampling according to any one of claims 1-6, characterized in that: An interference fit is provided between the sampling piston (6) and the inner wall of the sampling pipe (4).

8. The overflow elbow for facilitating sampling according to claim 7, wherein: The pull rod handle (7) is specifically a T-shaped pull handle.