Pipeline sampling valve
By setting components such as flushing joints and flushing holes in the pipeline sampling valve, the problem of residual contaminated samples in the valve is solved, and convenient cleaning is achieved to ensure the pure sample.
Patent Information
- Application Number
- CN202422236107.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-12
AI Technical Summary
现有的管道取样阀在取样过程中易造成阀内残留,导致样品污染,并且清洗操作繁琐。
A pipeline sampling valve is designed, including connecting blocks, connecting plates, conduits, flanges, flushing joints and check valves. The external water pipe is connected through the flushing joints, and the fluid conducting holes, check valves and connection holes are used to clean the liquid guide holes, check valves and connection holes. The cleaning liquid is introduced into the sampling bottle for convenient cleaning.
It effectively avoids liquid residue, simplifies cleaning operations, ensures the sample is pure, and improves the use efficiency of the sampling valve.
Smart Images
Figure CN223077956U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline sampling, in particular to a pipeline sampling valve. Background Art
[0002] A sampling valve is a valve used to obtain a medium sample in a pipeline or equipment. In many occasions where chemical analysis of the medium sample is often required, a special sampling valve is often used.
[0003] The existing pipeline sampling valve is prone to residual inside the valve during the sampling process. The residual inside the valve is likely to contaminate the sample for the next sampling, and the cleaning operation inside the valve is cumbersome. Therefore, a pipeline sampling valve is proposed. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] Aiming at the deficiencies of the existing technology, the utility model provides a pipeline sampling valve, which solves the problems that: the existing pipeline sampling valve is prone to residual inside the valve during the sampling process, the residual inside the valve is likely to contaminate the sample for the next sampling, and the cleaning operation inside the valve is cumbersome.
[0006] (2) Technical Solutions
[0007] To achieve the above purposes, the utility model is realized through the following technical solutions: a pipeline sampling valve, including a connection block and a connection plate. On both sides of the connection block, conduits are respectively installed. At the ends of the conduits, flanges are installed. At the bottom of the connection block, a connecting pipe is installed and the end of the connecting pipe is connected to the middle of the top surface of the connection plate. A liquid guiding hole is opened at the inner bottom of the connection block and is communicated with the inside of the connecting pipe through the liquid guiding hole. A flushing cavity is opened inside the connection block. The flushing cavity is of an annular structure and a number of flushing holes communicated with the liquid guiding hole are arranged on the inner wall. A flushing joint is arranged at the lower end of the outer wall of the connection block and the flushing joint is communicated with the flushing cavity. A screw hole is opened in the middle of the bottom surface of the connection plate and a sampling bottle is threadedly connected through the screw hole.
[0008] As a further preferred mode of the utility model, a screw sleeve is installed in the middle of the top surface of the connection block and a screw rod is threadedly connected to the screw sleeve. At the upper end of the screw rod, an adjusting disc is installed. The end of the screw rod extends into the connection block and is connected with a sealing plug. The sealing plug is inlaid and connected with the liquid guiding hole.
[0009] As a further preferred mode of the utility model, the lower end inside the connecting pipe is communicated with the inside of the connection plate, and a check valve is installed in the middle of the connecting pipe.
[0010] As a further preferred mode of the utility model, a movable plate is movably installed inside the connection plate. At the middle of the bottom surface of the movable plate, a convex block is installed. At the middle of the top surface of the movable plate, a top pipe is vertically installed. The top pipe is located below the check valve, and a connection hole is opened between the fixed pipe and the convex block.
[0011] As a further preferred embodiment of the present utility model, a plurality of springs distributed in a ring are installed on the top surface of the movable plate, and the upper ends of the springs are connected to the inner top of the connecting plate.
[0012] (III) Beneficial effects
[0013] The present utility model provides a pipeline sampling valve. It has the following beneficial effects:
[0014] In the present utility model, a flushing joint is provided on the side wall of the valve body connecting block. After connecting the flushing joint to an external water pipe, the cleaning liquid is filled into the inside of the connecting block, and is introduced into the liquid guiding hole through the flushing cavity and the flushing holes to flush the liquid guiding hole, the one-way valve, and the connecting hole. The flushed water is introduced into the sampling bottle, and the cleaning operation is convenient, and liquid residue can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the external structure diagram of the pipeline sampling valve described in the present utility model;
[0016] Figure 2 is the internal structure diagram of the pipeline sampling valve described in the present utility model;
[0017] Figure 3 is the internal structure diagram of the connecting plate described in the present utility model.
[0018] In the figure: 1, flange; 2, conduit; 3, connecting block; 4, flushing joint; 5, connecting plate; 6, sampling bottle; 7, connecting pipe; 8, screw sleeve; 9, adjusting disk; 10, screw rod; 11, flushing hole; 12, liquid guiding hole; 13, sealing plug; 14, flushing cavity; 15, one-way valve; 16, top pipe; 17, connecting hole; 18, convex block; 19, spring; 20, movable plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-3The embodiment of the utility model provides a technical solution: a pipeline sampling valve, including a connecting block 3 and a connecting plate 5, with conduits 2 installed on both sides of the connecting block 3, flanges 1 installed at the ends of the conduits 2, a connecting pipe 7 installed at the bottom of the connecting block 3 and the end of the connecting pipe 7 is connected to the middle of the top surface of the connecting plate 5, a liquid guide hole 12 is provided at the inner bottom of the connecting block 3 and is communicated with the inside of the connecting pipe 7 through the liquid guide hole 12, a flushing cavity 14 is provided inside the connecting block 3, the flushing cavity 14 is annular in structure and a plurality of flushing holes 11 connected with the liquid guide hole 12 are provided on the inner wall, a flushing joint 4 is provided at the lower end of the outer wall of the connecting block 3 and the flushing joint 4 is communicated with the flushing cavity 14, the flushing joint 4 is connected to the cleaning liquid pipeline, the cleaning liquid is introduced into the flushing cavity 14 and enters the liquid guide hole 12 to flush the inside, a screw hole is provided in the middle of the bottom surface of the connecting plate 5 and a sampling bottle 6 is threadedly connected through the screw hole, and the threaded connection is convenient for installation and disassembly.
[0021] As a further improvement, a screw sleeve 8 is installed in the middle of the top surface of the connecting block 3 and a screw 10 is threadedly connected to the screw sleeve 8, an adjusting disk 9 is installed on the upper end of the screw 10, the end of the screw 10 extends to the inside of the connecting block 3 and is connected to a sealing plug 13, the sealing plug 13 is embedded and connected with the liquid guide hole 12, the screw 10 is rotated and moves vertically and drives the sealing plug 13, after the sealing plug 13 moves up, the liquid flowing in the connecting block 3 is introduced into the liquid guide hole 12, and the sealing plug 13 moves down to close the liquid guide hole 12.
[0022] As a further improvement, the lower end of the inner part of the connecting pipe 7 is connected to the inner part of the connecting plate 5, and a one-way valve 15 is installed in the middle of the connecting pipe 7, which is connected when the top pipe 16 moves up and is closed when the top pipe 16 moves down.
[0023] As a further improvement, a movable plate 20 is movably installed inside the connecting plate 5, a protrusion 18 is installed in the middle of the bottom surface of the movable plate 20, and a top pipe 16 is vertically installed in the middle of the top surface of the movable plate 20. The top pipe 16 is located below the one-way valve 15, and a connecting hole 17 is opened between the fixed pipe and the protrusion 18. When the sampling bottle 6 is installed, it rotates continuously, and the upper end of the sampling bottle 6 is attached to the protrusion 18 and pushed up. After being pushed up, the top pipe 16 is inserted into the one-way valve 15 and is connected. A plurality of springs 19 distributed in an annular shape are installed on the top surface of the movable plate 20, and the upper end of the spring 19 is connected to the inner top of the connecting plate 5, and the spring 19 resets the connecting plate 5.
[0024] Working principle: The entire sampling valve is installed on the pipeline through flange 1. The liquid flowing in the pipeline passes through the sampling valve. During sampling, the sampling bottle 6 is connected to the bottom of the connecting plate 5 and continuously rotated. After the upper end of the sampling bottle 6 contacts the convex block 18, it jacks up the convex block 18 and drives the movable plate 20 and the top pipe 16 to move upward. After the top pipe 16 is inserted into the one-way valve 15, the one-way valve 15 is conducted. After rotating the adjustment disc 9, the sealing plug 13 is driven to move upward, and the liquid in the connecting block 3 flows out into the sampling bottle 6. After sampling is completed, the sealing plug 13 is connected to the liquid guide hole 12 and sealed. After sealing is completed, the sampling bottle 6 can be disassembled. During cleaning, the waste sampling bottle 6 is installed at the bottom of the connecting plate 5 and used as a waste water recovery container. The external cleaning liquid is introduced into the flushing chamber 14 and enters the liquid guide hole 12 through the flushing hole 11 to flush the liquid guide hole 12, the one-way valve 15 and the connecting hole 17. The waste liquid after flushing enters the waste sampling bottle 6, and the sampling bottle 6 can be disassembled after flushing is completed.
[0025] The components of the present utility model, namely, 1. flange; 2. conduit; 3. connecting block; 4. flushing joint; 5. connecting plate; 6. sampling bottle; 7. connecting pipe; 8. screw sleeve; 9. adjustment disc; 10. screw rod; 11. flushing hole; 12. liquid guide hole; 13. sealing plug; 14. flushing chamber; 15. one-way valve; 16. top pipe; 17. connecting hole; 18. convex block; 19. spring; 20. movable plate, are all common standard parts or parts known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or by conventional experimental methods. The problem solved by the present utility model is that the existing hanging cable clamping structure is not convenient for flexible adjustment. Most of them are fixed for hanging and clamping, which is not suitable for some curved sections. During the installation process, some cables will be bent, affecting the quality of the cables. Through the mutual combination of the above components, the present utility model is provided with a flushing joint 4 on the side wall of the valve body connecting block 3. After the flushing joint 4 is connected to an external water pipe, the cleaning liquid is filled into the inside of the connecting block 3 and introduced into the liquid guide hole 12 through the flushing chamber 14 and the flushing hole 11 to flush the liquid guide hole 12, the one-way valve 15 and the connecting hole 17. The water after flushing is introduced into the sampling bottle 6, and the cleaning operation is convenient, which can avoid liquid residue.
[0026] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
[0027] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A pipeline sampling valve, comprising a connecting block (3) and a connecting plate (5), characterized in that: On both sides of the connecting block (3), conduits (2) are respectively installed. At the ends of the conduits (2), flanges (1) are installed. At the bottom of the connecting block (3), a connecting pipe (7) is installed, and the end of the connecting pipe (7) is connected to the middle of the top surface of the connecting plate (5). A liquid guide hole (12) is formed in the inner bottom of the connecting block (3) and is internally communicated with the connecting pipe (7) through the liquid guide hole (12). A flushing chamber (14) is formed in the connecting block (3). The flushing chamber (14) is of an annular structure, and a number of flushing holes (11) communicated with the liquid guide hole (12) are arranged on the inner wall. A flushing joint (4) is arranged at the lower end of the outer wall of the connecting block (3), and the flushing joint (4) is communicated with the flushing chamber (14). A screw hole is formed in the middle of the bottom surface of the connecting plate (5), and a sampling bottle (6) is threadedly connected through the screw hole.
2. The pipeline sampling valve according to claim 1, wherein: A screw sleeve (8) is installed in the middle of the top surface of the connecting block (3), and a screw rod (10) is threadedly connected to the screw sleeve (8). An adjusting disc (9) is installed at the upper end of the screw rod (10). The end of the screw rod (10) extends into the connecting block (3) and is connected with a sealing plug (13). The sealing plug (13) is inlaid with the liquid guide hole (12).
3. The pipeline sampling valve according to claim 1, wherein: The lower end inside the connecting pipe (7) is communicated with the inside of the connecting plate (5). A one-way valve (15) is installed in the middle of the connecting pipe (7).
4. The pipeline sampling valve according to claim 1, characterized in that: An activity plate (20) is movably installed inside the connecting plate (5). A convex block (18) is installed in the middle of the bottom surface of the activity plate (20). A top pipe (16) is vertically installed in the middle of the top surface of the activity plate (20). The top pipe (16) is located below the one-way valve (15). A connecting hole (17) is formed between the fixed pipe and the convex block (18).
5. The pipeline sampling valve according to claim 4, wherein: A number of springs (19) distributed in a ring are installed on the top surface of the activity plate (20). The upper ends of the springs (19) are connected to the inner top of the connecting plate (5).