T-shaped valve seat with sampling function for chromatographic degradation

Abstract

The utility model relates to a T-shaped valve seat with sampling for chromatographic degradation, which comprises a first connecting pipeline, a second connecting pipeline, a third connecting pipeline and a valve seat body, the first connecting pipeline is provided with a first fluid through hole, the second connecting pipeline is provided with a second fluid through hole, and the third connecting pipeline is provided with a third fluid through hole; the valve seat body is provided with a first inner cavity, a second inner cavity and a first partition plate, the first partition plate separates the first inner cavity from the second inner cavity, the first fluid through hole is in fluid connection with the first inner cavity, and the second fluid through hole is in fluid communication with the first inner cavity; the third fluid through hole is in fluid communication with the second inner cavity; the valve seat body is further provided with a third inner cavity, a fourth inner cavity and a second partition plate, the third inner cavity is separated by the second partition plate, and the third inner cavity is in fluid communication with the second fluid through hole.

Description

Technical Field

[0001] The utility model relates to a valve seat technology, in particular to a T-shaped valve seat with sampling for chromatography degradation. Background Art

[0002] In the chromatography degradation system, a valve seat is needed to connect pipelines, and its main function is to connect the fluid between one pipeline and another pipeline. In one prior art, a T-type valve seat includes a first connecting pipe, a second connecting pipe, a third connecting pipe and a valve seat body. The valve seat body has a chamber inside. The first connecting pipe, the second connecting pipe and the third connecting pipe are all fixedly connected to the valve seat body, and the first connecting pipe, the second connecting pipe and the third connecting pipe are all in fluid communication with the internal chamber of the valve seat body. A plurality of pipelines can be connected to the first connecting pipe, the second connecting pipe and the third connecting pipe respectively, so that the pipelines are connected. However, this valve seat can only realize fluid connection between pipelines, but cannot realize fluid separation control. In addition, it is sometimes necessary to sample the circulating liquid in the valve seat, but the valve seat in the prior art cannot meet the sampling requirements. Summary of the Invention

[0003] The purpose of the utility model is to solve the shortcomings in the prior art and to propose a T-shaped valve seat with sampling for chromatography degradation.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a T-shaped valve seat with sampling for chromatographic degradation, comprising a first connecting pipe, a second connecting pipe, a third connecting pipe, and a valve seat body, wherein the first connecting pipe has a first fluid through hole, the second connecting pipe has a second fluid through hole, and the third connecting pipe has a third fluid through hole; the valve seat body has a first inner cavity, a second inner cavity and a first partition, the first partition separates the first inner cavity and the second inner cavity, the first fluid through hole is fluidically connected to the first inner cavity, and the second fluid through hole is fluidically connected to the first inner cavity; the third fluid through hole is fluidically connected to the second inner cavity; the valve seat body also has a third inner cavity, a fourth inner cavity and a second partition, the second partition separates the third inner cavity, and the third inner cavity is fluidically connected to the second fluid through hole.

[0005] Furthermore, it also includes a sampling pipeline, which is fixedly connected to the valve seat body and has a sampling through hole, and the sampling through hole is in fluid communication with the fourth inner cavity.

[0006] Furthermore, the first inner cavity has a first contour on the valve seat body, the second inner cavity has a second contour on the valve seat body, and the first contour, the second contour and the first partition are flush.

[0007] Furthermore, the third inner cavity has a third contour on the valve seat body, the fourth inner cavity has a fourth contour on the valve seat body, and the third contour, the fourth contour and the second partition are flush.

[0008] Furthermore, the axis of the first connecting pipe and the axis of the second connecting pipe are on the same straight line, and the axis of the third connecting pipe is perpendicular to the axis of the first connecting pipe or the axis of the second connecting pipe.

[0009] Furthermore, the valve seat body has a first outer surface, and the third inner cavity and the fourth inner cavity are recessed from the first outer surface toward the interior of the valve seat body to a preset depth.

[0010] Furthermore, the valve seat body further has a second outer surface, and the first inner cavity and the second inner cavity are recessed from the second outer surface toward the interior of the valve seat body to a preset depth.

[0011] Furthermore, a preset number of first threaded holes are provided on the first outer surface, and the first threaded holes are distributed around the third inner cavity and the fourth inner cavity along the circumference of the third inner cavity and the fourth inner cavity.

[0012] Furthermore, a preset number of second threaded holes are provided on the second outer surface, and the second threaded holes are distributed around the first inner cavity and the second inner cavity along the circumference of the first inner cavity and the second inner cavity.

[0013] Furthermore, the first outer surface and the second outer surface are connected, and a preset angle is formed between the first outer surface and the second outer surface.

[0014] The beneficial effects of the present application are as follows: the present application provides a T-type valve seat with sampling for chromatographic degradation, the T-type valve seat has a simple structure, is easy to manufacture, and can realize fluid separation control and liquid sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a T-shaped valve seat with sampling for chromatography degradation provided by the utility model.

[0016] Figure 2 This is another structural schematic diagram of a T-shaped valve seat with sampling for chromatography degradation provided by the utility model. DETAILED DESCRIPTION

[0017] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0018] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various implementations, and the operational steps involved in each embodiment may be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a particular embodiment and do not imply a required composition and / or sequence.

[0019] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0020] Please refer to Figure 1-2 , the present application provides a T-shaped valve seat with sampling for chromatographic degradation (hereinafter referred to as the valve seat), the valve seat comprising a first connecting pipe 1, a second connecting pipe 2, a third connecting pipe 3, and a valve seat body 4, the first connecting pipe 1 having a first fluid through hole 10, the second connecting pipe 2 having a second fluid through hole 20, and the third connecting pipe 3 having a third fluid through hole 30; the valve seat body 4 having a first inner cavity 42, a second inner cavity 43 and a first partition 41, the first partition 41 separating the first inner cavity 42 and the second inner cavity 43, the first fluid through hole 10 and the first inner cavity 42 being fluidically connected, the second fluid through hole 20 and the first inner cavity 42 being fluidically connected; the third fluid through hole 30 and the second inner cavity 43 being fluidically connected; the valve seat body 4 further having a third inner cavity 45, a fourth inner cavity 46 and a second partition 44, the second partition 44 separating the third inner cavity 45, and the third inner cavity 45 and the second fluid through hole 20 being fluidically connected.

[0021] In one embodiment of this application, please refer to Figure 1The valve seat further includes a sampling conduit 5, which is fixedly connected to the valve seat body 4 and has a sampling through-hole 50, which is in fluid communication with the fourth inner cavity 46. It should be noted that, in addition to penetrating the sampling conduit 5, the sampling through-hole 50 also penetrates a portion of the valve seat body 4, extending all the way to the fourth inner cavity 46, thereby achieving fluid communication with the fourth inner cavity 46.

[0022] In one embodiment of this application, please refer to Figure 1 The first inner cavity 42 has a first contour 420 on the valve seat body 4 , and the second inner cavity 43 has a second contour 430 on the valve seat body 4 . The first contour 420 , the second contour 430 and the first partition 41 are flush.

[0023] In one embodiment of this application, please refer to Figure 1 The third inner cavity 45 has a third contour 450 on the valve seat body 4 , and the fourth inner cavity 46 has a fourth contour 460 on the valve seat body 4 . The third contour 450 , the fourth contour 460 and the second partition plate 44 are flush.

[0024] In one embodiment of this application, please refer to Figure 1 The axis of the first connecting pipe 1 and the axis of the second connecting pipe 2 are on the same straight line, and the axis of the third connecting pipe 3 is perpendicular to the axis of the first connecting pipe 1 or the axis of the second connecting pipe 2.

[0025] In one embodiment of the present application, the valve seat body 4 has a first outer surface 47 , and the third inner cavity 45 and the fourth inner cavity 46 are recessed from the first outer surface 47 toward the interior of the valve seat body 4 by a preset depth.

[0026] In one embodiment of the present application, the valve seat body 4 further has a second outer surface 48 , and the first inner cavity 42 and the second inner cavity 43 are recessed from the second outer surface 48 toward the interior of the valve seat body 4 by a preset depth.

[0027] In one embodiment of the present application, a preset number of first threaded holes 410 are provided on the first outer surface 47 , and the first threaded holes 410 are distributed around the third inner cavity 45 and the fourth inner cavity 46 along the circumference of the third inner cavity 45 and the fourth inner cavity 46 .

[0028] In one embodiment of the present application, a preset number of second threaded holes 49 are provided on the second outer surface 48 , and the second threaded holes 49 are distributed around the first inner cavity 42 and the second inner cavity 43 along the circumference of the first inner cavity 42 and the second inner cavity 43 .

[0029] In one embodiment of the present application, the first outer surface 47 and the second outer surface 48 are connected, and a preset angle is formed between the first outer surface 47 and the second outer surface 48 .

[0030] The present application provides a T-type valve seat with sampling for chromatographic degradation. The T-type valve seat has a simple structure, is easy to manufacture, and can realize fluid separation control and drug solution sampling.

[0031] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.

Claims

1. A T-type valve seat with sampling for chromatography degradation, characterized in that: It includes a first connecting pipe, a second connecting pipe, a third connecting pipe, and a valve seat body, the first connecting pipe has a first fluid through hole, the second connecting pipe has a second fluid through hole, and the third connecting pipe has a third fluid through hole; the valve seat body has a first inner cavity, a second inner cavity and a first partition, the first partition separates the first inner cavity and the second inner cavity, the first fluid through hole is fluidically connected to the first inner cavity, and the second fluid through hole is fluidically connected to the first inner cavity; the third fluid through hole is fluidically connected to the second inner cavity; the valve seat body also has a third inner cavity, a fourth inner cavity and a second partition, the second partition separates the third inner cavity, and the third inner cavity is fluidically connected to the second fluid through hole.

2. The T-shaped valve seat with sampling for chromatography degradation according to claim 1, characterized in that: It also includes a sampling pipeline, which is fixedly connected to the valve seat body and has a sampling through hole. The sampling through hole is in fluid communication with the fourth inner cavity.

3. The T-shaped valve seat with sampling for chromatography degradation according to claim 2, characterized in that: The first inner cavity has a first contour on the valve seat body, the second inner cavity has a second contour on the valve seat body, and the first contour, the second contour, and the first partition are flush.

4. The T-shaped valve seat with sampling for chromatography degradation according to claim 3, characterized in that: The third inner cavity has a third contour on the valve seat body, the fourth inner cavity has a fourth contour on the valve seat body, and the third contour, the fourth contour, and the second partition are flush.

5. The T-shaped valve seat with sampling for chromatography degradation according to claim 4, characterized in that: The axis of the first connecting pipe and the axis of the second connecting pipe are on the same straight line, and the axis of the third connecting pipe is perpendicular to the axis of the first connecting pipe or the axis of the second connecting pipe.

6. The T-shaped valve seat with sampling for chromatography degradation according to claim 5, characterized in that: The valve seat body has a first outer surface, and the third inner cavity and the fourth inner cavity are recessed from the first outer surface toward the interior of the valve seat body at a preset depth.

7. The T-shaped valve seat with sampling for chromatography degradation according to claim 6, characterized in that: The valve seat body further has a second outer surface, and the first inner cavity and the second inner cavity are recessed from the second outer surface toward the interior of the valve seat body to a preset depth.

8. The T-shaped valve seat with sampling for chromatography degradation according to claim 7, characterized in that: A preset number of first threaded holes are provided on the first outer surface, and the first threaded holes are distributed around the third inner cavity and the fourth inner cavity along the circumference of the third inner cavity and the fourth inner cavity.

9. The T-shaped valve seat with sampling for chromatography degradation according to claim 8, characterized in that: A preset number of second threaded holes are provided on the second outer surface, and the second threaded holes are distributed around the first inner cavity and the second inner cavity along the circumference of the first inner cavity and the second inner cavity.

10. The T-shaped valve seat with sampling for chromatography degradation according to claim 9, characterized in that: The first outer surface and the second outer surface are connected, and a preset angle is formed between the first outer surface and the second outer surface.

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