CN219775131U

CN219775131U - Sanitary sampling valve

Info

Publication number: CN219775131U
Application number: CN202321229283.8U
Authority: CN
Inventors: 项敬泽; 项敬海; 邵小通
Original assignee: Wenzhou Longze Light Industry Machinery Co ltd
Current assignee: Wenzhou Longze Light Industry Machinery Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-29
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a sanitary sampling valve which relates to the technical field of valves, and the sanitary sampling valve comprises a valve body and a valve rod, wherein a second connecting pipeline and a first connecting pipeline are respectively connected with the left end part and the right end part of the valve body through bolts, a switching pipe is arranged below the middle of the first connecting pipeline and the second connecting pipeline, the switching pipe is fixedly arranged on the valve body and is communicated with the inside of the valve body, a sampling assembly is arranged in the switching pipe, the sampling assembly comprises a plug, a plug rod and a sampling tube, the sampling tube is fixedly welded on the switching pipe, the plug is movably connected with the switching pipe, the lower end part of the plug is fixedly arranged with the plug rod, the lower end part of the switching pipe is connected with a screw rod through threads, the end part of the screw rod, which is inserted into the switching pipe, the upper end part of the switching plate is rotationally connected with a clamping sleeve, a reset spring is arranged in the clamping sleeve, and the plug rod is movably spliced in the clamping sleeve. The utility model not only can facilitate the sampling operation of the fluid, but also can reduce the impact force in the sampling process, and is worth popularizing and using.

Description

Sanitary sampling valve

Technical Field

The utility model relates to the technical field of valves, in particular to a sanitary sampling valve.

Background

In the medical pure water and water treatment industry, the equipment generally adopts sampling valves such as fast-assembling sampling valves and UPVC sampling valves, and the sampling valves can achieve basic sampling functions and requirements. However, the traditional sampling valve is mainly sealed by an O-shaped or rectangular sealing ring, and the tightness is not tight enough, so that the water in the traditional sampling valve is easy to contact with the outside and is polluted by bacteria in the air in the pipeline sampling process; and the sealing ring is far away from the inflection point of the flow channel, so that the dead cavity formed by the section of pipeline is large, and a temperature bed for breeding microorganisms is easy to form.

In the prior patent: in the scheme of the CN202220380417.5 sanitary sampling valve, the sampling valve adopts a diaphragm valve, and has the advantages of simple structure, good sealing performance and corrosion resistance and small fluid resistance; however, in the process of fluid sampling, the acting force generated by fluid impact can have a certain influence on sampling, and the diaphragm valve is arranged, so that the joint is increased, and a certain potential safety hazard exists for the sealing performance of a pipeline. In view of this, we propose a sanitary sampling valve.

Disclosure of Invention

The utility model aims to provide a sanitary sampling valve, which solves the problems that in the process of fluid sampling, the acting force generated by fluid impact can cause certain influence on sampling, a diaphragm valve is arranged, the joint is increased, and certain potential safety hazard exists for the sealing performance of a pipeline.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sanitary sampling valve, includes valve body and valve rod, there are second connecting tube and first connecting tube tip about the valve body through bolted connection respectively, the below is equipped with the switching pipe in first connecting tube and the second connecting tube, switching pipe fixed mounting is on the valve body, just switching pipe and the inside intercommunication of valve body, switching intraduct is equipped with sampling assembly, sampling assembly includes end cap, inserted bar and sampling tube, sampling tube fixed welding is on switching pipe, end cap swing joint is in switching pipe, end cap lower extreme and inserted bar fixed mounting, there is the screw rod switching tube lower extreme through threaded connection, the tip that the screw rod inserted switching pipe is equipped with the joint board, the rotation of joint board upper end is connected with the cutting ferrule, the inside reset spring that is equipped with of cutting ferrule, the inserted bar activity is pegged graft in the cutting ferrule inside.

Preferably, the opposite ends of the return spring and the inserted link are fixedly welded with the inserted link.

Preferably, the sampling tube is communicated with the inside of the adapter tube, and the outer end part of the sampling tube is provided with a plug.

Preferably, the outside of the plug is provided with a clamping block in an annular shape, and the clamping block is arranged at the lower end part of the plug.

Preferably, the inner side surface of the switching pipe is provided with a clamping groove for clamping the clamping blocks in an annular mode, and the number of the clamping grooves is larger than that of the clamping blocks.

Preferably, the outer diameter of the inserted link is smaller than the inner diameter of the switching pipe, and the centers of the inserted link and the switching pipe are collinear.

Preferably, the switching pipe is communicated with the interior of the valve body, and the switching pipe is mutually perpendicular to the central line of the valve body.

Preferably, an annular inclined plane is arranged at the end part of the plug inserted into the valve body, and an annular groove corresponding to the plug is arranged at the corresponding position on the valve body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the sanitary sampling valve, when fluid in the valve body is sampled, only the screw is required to be rotated, so that the screw drives the clamping sleeve, the inserting rod and the plug to move away from the valve body, the plug is separated from the corresponding annular groove on the valve body, the fluid in the valve body can enter the adapter tube through the annular groove, and when the inserting rod and the plug move along the axis direction of the screw along with the screw, the fluid can flow into the sampling tube through a gap between the components, the sampling tube is taken down to be blocked, the sampling component is communicated with the sampling tube, the fluid in the valve can be sampled, the operation is simple, and the whole sampling operation can have a better sealing effect; after the liquid is flushed into the transfer tube, the impact of water flow can be effectively delayed through the elastic action of the reset spring, and the effect of valve sampling is further guaranteed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 3 is a schematic front view of the present utility model;

fig. 4 is a schematic diagram of a semi-cut structure of a plug according to the present utility model.

In the figure: 1. a valve body; 2. a first connecting pipe; 3. a valve stem; 4. a second connecting pipe; 5. a sampling assembly; 50. a transfer tube; 51. a sampling tube; 52. a screw; 53. a clamping block; 54. a plug; 55. a clamping groove; 56. a rod; 57. a cutting sleeve; 58. a clamping plate; 59. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a sanitary-grade sampling valve, includes valve body 1 and valve rod 3, and the tip is controlled to valve body 1 has second connecting tube 4 and first connecting tube 2 through bolted connection respectively, through the setting of first connecting tube 2 and second connecting tube 4, can be convenient for be connected valve body 1 and pipeline, realizes blocking and flow regulating effect to the liquid.

Wherein, the transfer tube 50 is arranged at the middle lower part of the first connecting pipeline 2 and the second connecting pipeline 4, the transfer tube 50 is fixedly arranged on the valve body 1, and the transfer tube 50 is arranged at the middle lower part of the valve body 1. The transfer tube 50 communicates with the interior of the valve body 1.

Referring to fig. 2 and 4, a sampling assembly 5 is disposed inside the adaptor tube 50, the sampling assembly 5 includes a plug 54, a plug rod 56 and a sampling tube 51, the sampling tube 51 is communicated with the inside of the adaptor tube 50, and a plug is disposed at an outer end of the sampling tube 51. The liquid in the sampling tube 51 can be extracted as needed by providing a plug. Wherein, the sampling tube 51 is fixedly welded on the adapter tube 50.

Further, the plug 54 is movably connected to the adaptor tube 50, the adaptor tube 50 is communicated with the interior of the valve body 1, and the center lines of the adaptor tube 50 and the valve body 1 are mutually perpendicular. The lower end of the plug 54 is fixedly installed with the inserting rod 56, the end of the plug 54 inserted into the valve body 1 is provided with an annular inclined plane, and the corresponding position on the valve body 1 is provided with an annular groove corresponding to the annular inclined plane. After the plug 54 is inserted into the annular groove on the valve body 1, at this time, the liquid flowing inside the valve body 1 does not enter the transfer tube 50; likewise, when the plug 54 slides from the corresponding annular groove, the fluid flowing inside the valve body 1 can flow into the transfer tube 50.

Further, a clamping block 53 is annularly arranged on the outer side of the plug 54, and the clamping block 53 is arranged at the lower end of the plug 54. The inner side surface of the transfer tube 50 is provided with a clamping groove 55 for clamping the clamping blocks 53, and the number of the clamping grooves 55 is larger than that of the clamping blocks 53. By the engagement of the engagement block 53 into the engagement groove 55, the plug 54 can be made to move only in the axial direction thereof, and not be rotated. The number of the plurality of the engaging grooves 55 is set to the number of the plurality of the engaging blocks 53, so that the fluid can flow through the plurality of engaging grooves 55. The lower end of the adapter tube 50 is connected with a screw rod 52 through threads, the end of the screw rod 52 inserted into the adapter tube 50 is provided with a clamping plate 58, and the upper end of the clamping plate 58 is rotatably connected with a clamping sleeve 57. After the screw 52 is provided with a rotating force, the clamping plate 58 can be driven to rotate by the rotation of the screw 52 and the movement along the axis of the screw 52; the movement of the ferrule 57 can be effectively achieved.

In this embodiment, a return spring 59 is disposed inside the ferrule 57, and the opposite ends of the return spring 59 and the insert rod 56 are fixedly welded to the insert rod 56. The insert rod 56 is movably inserted into the sleeve 57. The outside diameter of the plunger 56 is smaller than the inside diameter of the adapter tube 50, and the plunger 56 is centered in line with the adapter tube 50. Through setting up reset spring 59 between cutting ferrule 57 and inserted bar 56, through reset spring 59's compression, can be after the end cap 54 breaks away from the ring channel on the valve body 1, the inside circulation liquid of valve body 1 can get into inside the transfer pipe 50, after liquid flushes inside the transfer pipe 50, can effectively delay the impact of rivers through reset spring 59's elasticity effect, further ensured the effect of valve sample.

In the sanitary sampling valve, when sampling is performed, the screw 52 rotates by rotating the screw 52, and the screw 52 moves along the axis of the screw 52, and in the process, the clamping plate 58 can be driven to rotate; the movement of the ferrule 57 can be effectively achieved; the cutting sleeve 57 moves to drive the inserting rod 56 and the plug 54 to move, and after the plug 54 is inserted into the annular groove on the valve body 1, liquid flowing in the valve body 1 cannot enter the transfer tube 50; likewise, when the plug 54 slides from the corresponding annular groove, the liquid flowing inside the valve body 1 can flow into the adapter 50; when the plug 54, the insert rod 56 and the clamping sleeve 57 move to the side far away from the valve body 1 at the same time, since the outer diameter of the insert rod 56 is smaller than the inner diameter of the adapter tube 50, when the insert rod 56 moves to the position of the sampling tube 51, the liquid in the adapter tube 50 can flow into the sampling tube 51, and the liquid in the sampling tube 51 can be sampled by removing the plug.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sanitary sampling valve, includes valve body (1) and valve rod (3), its characterized in that: the valve body (1) is controlled tip and is had second connecting tube (4) and first connecting tube (2) through bolted connection respectively, the below is equipped with transfer pipe (50) in first connecting tube (2) and second connecting tube (4), transfer pipe (50) fixed mounting is on valve body (1), just transfer pipe (50) and the inside intercommunication of valve body (1), transfer pipe (50) inside is equipped with sample subassembly (5), sample subassembly (5) include end cap (54), inserted bar (56) and sampling tube (51), sampling tube (51) fixed welding is on transfer pipe (50), end cap (54) swing joint is in transfer pipe (50), end cap (54) lower tip and inserted bar (56) fixed mounting, transfer pipe (50) lower tip is equipped with screw rod (52) through threaded connection, the tip rotation is connected with cutting ferrule (57) on cutting ferrule (58), inside spring (57) that are equipped with of cutting ferrule (57), cutting ferrule (57) are inside to be equipped with reset spring (59) inside grafting.

2. A sanitary sampling valve according to claim 1, wherein: the opposite end parts of the return spring (59) and the inserted link (56) are fixedly welded with the inserted link (56).

3. A sanitary sampling valve according to claim 1, wherein: the sampling tube (51) is communicated with the inside of the adapter tube (50), and a plug is arranged at the outer end part of the sampling tube (51).

4. A sanitary sampling valve according to claim 1, wherein: the outside of the plug (54) is annular and is provided with a clamping block (53), and the clamping block (53) is arranged at the lower end part of the plug (54).

5. A sanitary sampling valve according to claim 1, wherein: the inner side surface of the switching pipe (50) is annularly provided with clamping grooves (55) for clamping the clamping blocks (53), and the number of the clamping grooves (55) is larger than that of the clamping blocks (53).

6. A sanitary sampling valve according to claim 1, wherein: the outer diameter of the inserted link (56) is smaller than the inner diameter of the switching tube (50), and the centers of the inserted link (56) and the switching tube (50) are collinear.

7. A sanitary sampling valve according to claim 1, wherein: the switching pipe (50) is communicated with the interior of the valve body (1), and the central lines of the switching pipe (50) and the valve body (1) are mutually perpendicular.

8. A sanitary sampling valve according to claim 1, wherein: the end part of the plug (54) inserted into the valve body (1) is provided with an annular inclined plane, and the corresponding position of the valve body (1) is provided with an annular groove corresponding to the valve body.