CN214877279U

CN214877279U - Sampling port sealing structure

Info

Publication number: CN214877279U
Application number: CN202121057818.9U
Authority: CN
Inventors: 辛丹丹; 林培高
Original assignee: Zhejiang Yaguang Technology Co ltd
Current assignee: Zhejiang Yaguang Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-26
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to a sampling port sealing structure, which comprises a sampling pipe fitting, a plugging piece and a cover body which are fixedly connected with a container, wherein a sampling channel is arranged in the sampling pipe fitting, and the plugging piece comprises a columnar plugging part which is matched with the inner wall of the sampling channel in a shape matched with the shape of the sampling channel to form a splicing sealing fit relation and a limit lug which is positioned at the outer end part of the sampling pipe fitting; the utility model discloses a sampling pipe spare, including sampling pipe spare periphery wall, lid, external tip is close to and the lid is equipped with external screw thread portion, the lid includes threaded connection portion and compresses tightly the portion, the threaded connection portion cover is established outside the sampling pipe spare and is equipped with the internal thread portion with external screw thread portion screw-thread fit, spacing lug is spacing in the outer tip of sampling pipe spare and compress tightly between the portion. The utility model provides a sample connection sealing structure simple and easy, convenient operation and reliably seal.

Description

Sampling port sealing structure

Technical Field

The utility model relates to a sample connection sealing structure.

Background

In fields such as chemical industry, pharmacy, food, need carry out sample analysis to the material in the container in links such as production, storage, the tradition sets up the sample connection on the container, and the sample connection is equipped with a sampling tube, is equipped with the valve on the sampling tube, when needing the sample, opens the valve, and the sample can be accomplished to a little material of outflow, and the structure is comparatively complicated, and the dismouting is maintained comparatively trouble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming and not enough that prior art exists, and provide a sample connection sealing structure.

The utility model discloses the technical scheme who takes as follows: a sealing structure of a sampling port comprises a sampling pipe fitting, a plugging piece and a cover body, wherein the sampling pipe fitting is fixedly connected with a container, a sampling channel is arranged in the sampling pipe fitting, and the plugging piece comprises a columnar plugging part which is matched with the shape of the sampling channel and forms a plug-in sealing fit relation with the inner wall of the sampling channel and a limiting convex block positioned at the outer end part of the sampling pipe fitting;

the utility model discloses a sampling pipe spare, including sampling pipe spare periphery wall, lid, external tip is close to and the lid is equipped with external screw thread portion, the lid includes threaded connection portion and compresses tightly the portion, the threaded connection portion cover is established outside the sampling pipe spare and is equipped with the internal thread portion with external screw thread portion screw-thread fit, spacing lug is spacing in the outer tip of sampling pipe spare and compress tightly between the portion.

The periphery of the columnar blocking part is provided with a first sealing ring groove, and a first O-shaped sealing ring is embedded in the first sealing ring groove.

The limiting lug is of a convex ring structure, a second sealing ring groove is formed in the end face, close to the sampling channel, of one end of the limiting lug, and a second O-shaped sealing ring is embedded in the second sealing ring groove.

The lateral wall of one side of second sealing washer recess is equipped with bellied spacing portion, spacing portion forms limiting displacement to second O type sealing washer.

The inner side surface of the limiting part is a smooth guide inclined plane.

And a handle part is arranged at the outer end part of the blocking part.

The lid is connected with the handle, handle and lid circumference linkage cooperation.

The cover body is fixedly connected with the handle.

The cover body is detachably connected with the handle.

The periphery of the cover body is provided with two linkage grooves, the handle comprises an operating rod and a linkage rod fixedly connected to the operating rod, and the linkage rod is inserted into the linkage grooves to enable the cover body to be detachably connected with the handle.

The utility model has the advantages as follows: the utility model provides a sample connection sealing structure simple and easy, convenient operation and reliably seal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of example 1 with the cover removed;

FIG. 3 is a schematic view of example 1 with the blocking member removed;

in fig. 4, (a) is an enlarged schematic view of a portion a in fig. 1; (b) is an enlarged schematic view of part B in fig. 1;

FIG. 5 is a schematic structural view of example 2;

FIG. 6 is a side view of the cover in example 2;

FIG. 7 is a side view of the grip of embodiment 2;

in the figure, 1, sampling tube; 101, a sampling channel; 102, an external threaded portion; 2, a blocking piece; 201, a columnar blocking part; 202, a limit bump; 203, a first seal ring groove; 204, a first O-ring seal; 205, a second seal ring groove; 206, a second O-shaped sealing ring; 207, a limiting part; 208, a guide ramp; 209, a handle portion; 3, a cover body; 301, a threaded connection; 302, a compression section; 303, linking the grooves; 304, an internal threaded portion; 4, a handle; 401, a lever; 402, a linkage rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be construed as limitations to the embodiments of the present invention, and the following embodiments do not describe the embodiments one by one.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.

As shown in fig. 1, a sampling port sealing structure comprises a sampling pipe fitting 1, a plugging member 2 and a cover body 3, wherein the sampling pipe fitting 1 is fixedly connected with a container, a sampling passage 101 is arranged in the sampling pipe fitting 1, and the plugging member 2 comprises a columnar plugging part 201 which is matched with the sampling passage 101 in shape and forms a plug-in sealing fit relation with the inner wall of the sampling passage 101, and a limit bump 202 positioned at the outer end part of the sampling pipe fitting 1;

the outer peripheral wall of the sampling pipe fitting 1 is close to the outer end part and is provided with an outer thread part 102, the cover body 3 comprises a thread connecting part 301 and a pressing part 302, the thread connecting part 301 is sleeved outside the sampling pipe fitting 1 and is provided with an inner thread part 304 in thread fit with the outer thread part 102, and the limiting lug 202 is limited between the outer end part of the sampling pipe fitting 1 and the pressing part 302.

As shown in fig. 2-3, in sampling, the cap 3 is rotated to separate the cap 3 from the sampling tube 1, and then the stopper 2 is removed to open the sampling passage 101 for sampling.

As shown in fig. 4 (a), a first seal ring groove 203 is formed in the outer periphery of the cylindrical blocking portion 201, and a first O-ring 204 is embedded in the first seal ring groove 203.

As shown in fig. 4 (b), the limiting protrusion 202 is a convex ring structure, a second sealing ring groove 205 is formed on an end surface of the limiting protrusion 202 close to the sampling channel 101, and a second O-ring 206 is embedded in the second sealing ring groove 205.

Further, a protruding limiting portion 207 is arranged on the side wall of one side of the second sealing ring groove 205, and the limiting portion 207 performs a limiting effect on the second O-shaped sealing ring 206. The limiting portion 207 is convenient to assemble, and the second O-shaped sealing ring 206 falls out when the limiting portion is prevented from being assembled.

The inner side surface of the limiting part 207 is a smooth guide inclined surface 208. The provision of the guide ramp 208 facilitates removal and replacement of the second O-ring seal 206.

Further, the outer end of the blocking member 2 is provided with a handle 209. The obturating member 2 is convenient to take down.

The cover body 3 is connected with a handle 4, and the cover body 3 is fixedly connected with the handle 4. In this embodiment, the handle 4 may be integrally formed with the cover 3, or may be fixedly connected to the cover 3 by welding. As shown in fig. 1, in this embodiment, two handles 4 are specifically provided, and are respectively located at two sides of the cover 3, so as to facilitate the cover 3 to be rotated by applying external force uniformly.

The sample connection sealing structure of this embodiment, wherein 101 bores of sampling passage set up lessly, avoid the material to flow out in a large number in the twinkling of an eye that plug 2 taken off.

Example 2:

the difference between this embodiment and embodiment 1 is that the cover 3 and the handle 4 of this embodiment are detachably connected.

Specifically, as shown in fig. 6-7, two linkage grooves 303 are formed in the periphery of the cover 3, the handle 4 includes an operating rod 401 and a linkage rod 402 fixedly connected to the operating rod 401, and the linkage rod 402 is inserted into the linkage grooves 303 to detachably connect the cover 3 and the handle 4.

The embodiment is suitable for the environment with small external space, and avoids the handle 4 from occupying the external space in a large amount.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a sample connection seal structure which characterized in that: the sampling device comprises a sampling pipe fitting (1) fixedly connected with a container, a blocking piece (2) and a cover body (3), wherein a sampling channel (101) is arranged in the sampling pipe fitting (1), and the blocking piece (2) comprises a columnar blocking part (201) which is matched with the sampling channel (101) in shape and forms a plug-in sealing fit relation with the inner wall of the sampling channel (101) and a limiting convex block (202) positioned at the outer end part of the sampling pipe fitting (1);

outer peripheral wall of sampling pipe fitting (1) is close outer tip and is equipped with external screw thread portion (102), lid (3) are including threaded connection portion (301) and compress tightly portion (302), threaded connection portion (301) cover is established outside sampling pipe fitting (1) and is equipped with and compresses tightly internal thread portion (304) with external screw thread portion (102) screw-thread fit, spacing lug (202) are spacing between sampling pipe fitting (1) outer tip and compress tightly portion (302).

2. The thief hatch seal configuration of claim 1, wherein: the periphery of the columnar blocking part (201) is provided with a first sealing ring groove (203), and a first O-shaped sealing ring (204) is embedded in the first sealing ring groove (203).

3. The thief hatch seal configuration of claim 2, wherein: the limiting lug (202) is of a convex ring structure, a second sealing ring groove (205) is formed in one end face, close to the sampling channel (101), of the limiting lug (202), and a second O-shaped sealing ring (206) is embedded in the second sealing ring groove (205).

4. A thief hatch seal configuration according to claim 3, wherein: the lateral wall of one side of second sealing washer recess (205) is equipped with bellied spacing portion (207), spacing portion (207) form limiting displacement to second O type sealing washer (206).

5. The thief hatch seal configuration of claim 4, wherein: the inner side surface of the limiting part (207) is a smooth guide inclined surface (208).

6. The thief hatch seal configuration of claim 1, wherein: the outer end part of the plugging part (2) is provided with a handle part (209).

7. The thief hatch seal configuration of claim 1, wherein: the cover body (3) is connected with a handle (4), and the handle (4) is in circumferential linkage fit with the cover body (3).

8. The thief hatch seal configuration of claim 7, wherein: the cover body (3) is fixedly connected with the handle (4).

9. The thief hatch seal configuration of claim 7, wherein: the cover body (3) is detachably connected with the handle (4).

10. The thief hatch seal configuration of claim 9, wherein: lid (3) periphery is equipped with two linkage recesses (303), handle (4) include action bars (401) and link rod (402) that link firmly on action bars (401), through make in linkage recess (303) are inserted in link rod (402) lid (3) can be dismantled with handle (4) and be connected.