Biological liquid sampling valve

Abstract

The utility model relates to a kind of biological medicine liquid sampling valves, comprising: valve seat, the valve seat is provided with connecting groove, and the valve seat has first accommodating cavity;Valve body, the valve body is installed to the first accommodating cavity of the valve seat, the valve body is provided with the first plug-in through-hole of preset quantity, and the valve body has second accommodating through-hole;Sealing element, the sealing element is installed to the valve body, and at least a part of the sealing element is inserted into the second accommodating through-hole of the valve body, the sealing element is provided with the connecting pin of preset quantity;Valve cover, the valve cover is provided with the second plug-in through-hole of preset quantity;Wherein, the valve seat, the valve body, the sealing element and the valve cover are sequentially installed together, and pin respectively plugs into the second plug-in through-hole on the valve cover, the first plug-in through-hole on the valve body, and the connecting pin is slid into the connecting groove on the valve seat.

Description

Technical Field

[0001] This utility model relates to the field of valves, specifically to a biological drug liquid sampling valve. Background Technology

[0002] Chinese utility model patent application number CN202520290001.8 discloses a fluoropolymer-lined sampling valve, including an upper valve cover snapped onto the upper part of the valve body, a valve core cover and valve stem on the upper part of the upper valve cover, a limiting platform, packing, a sampling pressure plate, and a nut. This utility model has a reasonable structure. By providing a lining with a dovetail groove inside the valve body, it ensures that the lining will not fall off under negative pressure conditions. The valve core and valve stem are sealed as a whole by a bellows, preventing friction debris from contaminating the medium. A limiting platform is provided to prevent excessive valve opening and damage to the bellows. The upper end of the valve stem is sealed secondary by packing, so even if the bellows is damaged, the medium will not immediately spray out and cause external leakage. The connection between the sampling connector and the sampling bottle adopts an inward convex design, allowing any adhering liquid to quickly fall into the bottle after sampling, preventing medium dripping after removing the sampling bottle. An L-shaped vent hole is provided inside the sampling connector, allowing internal air to be discharged through the L-shaped vent hole when the medium enters the sampling bottle during sampling. This sampling valve has an exceptionally complex structure and a large number of parts. The assembly process is extremely complicated, time-consuming, and labor-intensive, resulting in low assembly efficiency. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a biological drug sampling valve.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a biological drug liquid sampling valve, comprising:

[0005] A valve seat, wherein a connecting groove is provided on the valve seat, and the valve seat has a first receiving cavity;

[0006] The valve body is installed in the first receiving cavity of the valve seat, the valve body is provided with a preset number of first insertion through holes, and the valve body has a second receiving through hole;

[0007] A sealing element is installed on the valve body, and at least a portion of the sealing element extends into a second receiving through hole of the valve body. The sealing element is provided with a predetermined number of connecting pins.

[0008] Valve cover, wherein a predetermined number of second insertion through holes are provided on the valve cover;

[0009] The valve seat, valve body, seal and valve cover are installed together in sequence, and the pins are respectively inserted into the second insertion hole on the valve cover and the first insertion hole on the valve body, and the connecting pin slides into the connecting groove on the valve seat.

[0010] Preferably, the valve seat includes a first connecting ring, a conical cylinder, and a first cylindrical cylinder. One end of the first connecting ring and the conical cylinder are mounted together, and the other end of the first cylindrical cylinder is mounted together with the conical cylinder. The first connecting ring and the conical cylinder form a first receiving cavity. The first cylindrical cylinder has a first channel that extends through the first cylindrical cylinder along its axial direction and communicates with the first receiving cavity.

[0011] Preferably, the connecting groove includes a vertical groove, a transition groove, and a horizontal groove, wherein the vertical groove communicates with the transition groove, and the horizontal groove communicates with the transition groove; the connecting groove is disposed on the first connecting ring, and the vertical groove extends in a direction parallel to the axial direction of the first connecting ring; the horizontal groove extends in the circumferential direction of the first connecting ring.

[0012] Preferably, the valve body includes a second connecting ring, a third connecting ring, and a valve body body, wherein the second connecting ring and the third connecting ring are installed together; the valve body body is provided with a second receiving through hole, the second receiving through hole penetrating the valve body body, and the valve body body is a conical cylinder.

[0013] Preferably, the second connecting ring of the valve body is provided with a preset number of first insertion through holes, the first insertion through holes passing through the second connecting ring; the valve body has a first end and a second end, the first end is the end with a larger diameter, the second end is the end with a smaller diameter, and the first end is sandwiched between the second connecting ring and the third connecting ring.

[0014] Preferably, the sealing element includes a fourth connecting ring, a sealing body, a second cylinder, and a silicone gasket. The fourth connecting ring is connected to the sealing body, the second cylinder is connected to the sealing body, and the silicone gasket is installed on the second cylinder. The sealing body has a second receiving cavity, and the second cylinder has a second channel that extends through the second cylinder along its axial direction, and the second receiving cavity communicates with the second channel. The connecting ring is disposed on the fourth connecting ring.

[0015] Preferably, the valve cover is provided with a preset number of liquid holes, and when the valve cover and the valve seat are installed together, the liquid holes are connected to the second receiving cavity of the seal; the valve cover is also provided with a third insertion through hole, the third insertion through hole is through the valve cover, and when the valve cover and the valve seat are installed together, the third insertion through hole is connected to the second receiving cavity.

[0016] Preferably, it also includes a valve stem, which includes a valve column and a top cap. One end of the valve column is connected to the top cap. The valve column is adapted to a third insertion hole on the valve cover. The valve column extends into the third insertion hole and can slide in the third insertion hole.

[0017] Preferably, the valve seat further includes a connecting rope, one end of which is connected to the valve stem and the other end of which is connected to the first cylinder of the valve seat; the valve seat further includes a limiting ring, which is mounted on the first cylinder.

[0018] The beneficial effects of this application are as follows: The biological drug sampling valve provided by this application has the advantages of simple structure and easy assembly. Since the sampling valve is configured into four modules—valve seat, valve body, sealing body, and valve cover—which are nested together sequentially during assembly, a double connection is achieved through the connecting pin on the sealing body sliding into the connecting groove on the valve seat, and the pins sequentially inserting into the second insertion through hole on the valve cover and the first insertion through hole on the valve body. This makes the connection between these four modules more robust and reliable. Compared with the prior art, this application significantly reduces assembly difficulty, saves manpower and resources, and improves assembly speed and efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a biological drug liquid sampling valve provided by this utility model.

[0020] Figure 2 An exploded view of a component of a biological drug sampling valve provided by this utility model.

[0021] Figure 3 for Figure 2 The image shows a partial enlarged view of a biological drug sampling valve. Detailed Implementation

[0022] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0023] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0024] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0025] Please refer to Figure 1-3 This application provides a biological drug liquid sampling valve (hereinafter referred to as "the sampling valve"), which includes:

[0026] Valve seat 1, the valve seat 1 is provided with a connecting groove 110, and the valve seat 1 has a first receiving cavity 10;

[0027] The valve body 2 is installed in the first receiving cavity 10 of the valve seat 1. The valve body 2 is provided with a preset number of first insertion through holes 210, and the valve body 2 has a second receiving through hole 230.

[0028] A sealing element 3 is installed on the valve body 2, and at least a portion of the sealing element 3 extends into the second receiving through hole 230 of the valve body 2. A predetermined number of connecting pins 34 are provided on the sealing element 3.

[0029] Valve cover 4, wherein a predetermined number of second insertion through holes 41 are provided on the valve cover 4;

[0030] The valve seat 1, valve body 2, seal 3, and valve cover 4 are sequentially assembled together, with pins 7 inserted into the second insertion hole 41 on the valve cover 4 and the first insertion hole 210 on the valve body 2, respectively. The connecting pin 34 slides into the connecting groove 110 on the valve seat 1. This application uses a modular structure to assemble the sampling valve, which, compared to the prior art where numerous components are assembled together, offers faster, simpler, and more efficient assembly. During assembly, the valve seat 1, valve body 2, and seal 3 are sequentially assembled. Then, the seal 3 is slightly rotated, causing the connecting pin 34 on the seal 3 to slide into the connecting groove 110 on the valve seat 1. Next, the valve cover 4 is assembled with the valve seat 1, and the pins 7 are sequentially inserted into the second insertion hole 41 and the first insertion hole 210, thus completing the assembly of the entire sampling valve.

[0031] Please refer to some embodiments of this application. Figure 1-3The valve seat 1 includes a first connecting ring 11, a conical cylinder 12, and a first cylindrical cylinder 13. One end of the first connecting ring 11 and the conical cylinder 12 are mounted together, and the other end of the first cylindrical cylinder 13 is mounted together with the conical cylinder 12. The first connecting ring 11 and the conical cylinder form a first receiving cavity 10. The first cylindrical cylinder 13 has a first channel 15 that extends along the axial direction of the first cylindrical cylinder 13 and communicates with the first receiving cavity 10. In this application, the first connecting ring 11 and the conical cylinder 12 can be connected together by welding, bolting, screwing, or integral molding. The first cylindrical cylinder 13 and the conical cylinder 13 are integrally molded.

[0032] Please refer to some embodiments of this application. Figure 1-3 The connecting groove 110 includes a vertical groove 1101, a transition groove 1102, and a horizontal groove 1103. The vertical groove 1101 communicates with the transition groove 1102, and the horizontal groove 1103 communicates with the transition groove 1102. The connecting groove 110 is disposed on the first connecting ring 11, and the vertical groove 1101 extends in a direction parallel to the axial direction of the first connecting ring 11. The horizontal groove 1103 extends circumferentially along the first connecting ring 11. Thus, when the valve body 2 is installed in the valve seat 1, the connecting pin 34 of the seal 3 first slides into the vertical groove 1101, then slides through the transition groove 1102, and finally slides into the horizontal groove 1103, thereby firmly installing the seal 3 onto the valve seat 1. At this time, the valve body 2 is located between the seal 3 and the valve seat 1.

[0033] Please refer to some embodiments of this application. Figure 1-3 The valve body 2 includes a second connecting ring 21, a third connecting ring 22, and a valve body 23. The second connecting ring 21 and the third connecting ring 22 are installed together. The valve body 23 is provided with a second receiving through hole 230, which extends through the valve body 23, and the valve body 23 is a conical cylinder. Thus, when the valve body 2 is installed on the valve seat 1, the valve body 23 extends into the first receiving cavity 10 on the valve seat 1, and a portion of the valve body 23 extends into the first through hole 15 of the first cylinder 13, thereby connecting the first through hole 15 with the second receiving through hole 230 of the valve body 23.

[0034] Please refer to some embodiments of this application. Figure 1-3The valve body 2 has a predetermined number of first insertion through holes 210 on its second connecting ring 21, which penetrate the second connecting ring 21. The valve body 23 has a first end 231 and a second end 232, where the first end 231 is the end with a larger diameter and the second end 232 is the end with a smaller diameter. The first end 231 is held between the second connecting ring 21 and the third connecting ring 22. Thus, the first end 231 of the valve body 23 is fixed between the second connecting ring 21 and the third connecting ring 22, and at least a portion of the second end 232 of the valve body 23 extends into the first through hole 15 of the first cylinder 13 of the valve seat 1.

[0035] Please refer to some embodiments of this application. Figure 1-3 The sealing element 3 includes a fourth connecting ring 31, a sealing body 35, a second cylinder 32, and a silicone gasket 33. The fourth connecting ring 31 is connected to the sealing body 35, the second cylinder 32 is connected to the sealing body 35, and the silicone gasket 33 is installed on the second cylinder 32. The sealing body 35 is provided with a second receiving cavity 350, and the second cylinder 32 has a second channel 320 that extends through the second cylinder 32 along its axial direction. The second receiving cavity 350 is connected to the second channel 320. The connecting element 34 is disposed on the fourth connecting ring 31. After the sampling valve is assembled, at least a portion of the second cylinder 32 of the sealing element 3 and the silicone gasket 33 extend into the second receiving cavity 350 of the valve body 2, and at least a portion of the valve cover 4 extends into the second receiving cavity 350 of the sealing element 3.

[0036] Please refer to some embodiments of this application. Figure 1-3 The valve cover 4 is provided with a preset number of liquid holes 42. When the valve cover 4 is installed together with the valve seat 1, the liquid holes 42 are connected to the second receiving cavity 350 of the sealing element 3. The valve cover 4 is also provided with a third insertion through hole 40, which passes through the valve cover 4. When the valve cover 4 is installed together with the valve seat 1, the third insertion through hole 40 is connected to the second receiving cavity 350.

[0037] Please refer to some embodiments of this application. Figure 1-3The sampling valve also includes a valve stem 5, which includes a valve column 52 and a top cap 51. One end of the valve column 52 is connected to the top cap 51. The valve column 52 is adapted to the third insertion hole 40 on the valve cover 4. The valve column 52 extends into the third insertion hole 40 and can slide within the third insertion hole 40. When the biological drug solution enters from the first channel 15 of the first cylinder 13 of the valve seat 1, the flow rate can be controlled by the degree of sliding of the valve column 52 in the third insertion hole 40. When a small flow rate is required, the valve column 52 is pressed down, and the valve column 52 extends into the second receiving cavity 350 and passes through the second channel 320. After passing through the second channel 320, it passes through the second receiving hole 230 on the valve body 2 until at least a portion of the valve column 52 extends into the first channel 15 of the first cylinder 13 of the valve seat 1. Similarly, when a large flow rate is required, the valve stem 52 is moved upward until the valve stem 52 leaves the first channel 15 of the first cylinder 13.

[0038] Please refer to some embodiments of this application. Figure 1-3 The sampling valve also includes a connecting rope 6, one end of which is connected to the valve stem 5, and the other end of which is connected to the first cylinder 13 of the valve seat 1. The valve seat 1 also includes a limiting ring 14, which is mounted on the first cylinder 13. Thus, when the connecting rope 6 is connected to the first cylinder 13, the limiting ring 14 prevents the connecting rope 6 from detaching from the first cylinder 13.

[0039] The biological drug sampling valve provided in this application has the advantages of simple structure and easy assembly. Since the sampling valve is configured into four modules—valve seat, valve body, sealing body, and valve cover—which are nested together sequentially during assembly, a double connection is achieved through the connecting pin on the sealing body sliding into the connecting groove on the valve seat, and the pins sequentially inserting into the second insertion through hole on the valve cover and the first insertion through hole on the valve body. This makes the connection between the four modules more robust and reliable. Compared with existing technologies, this application significantly reduces assembly difficulty, saves manpower and resources, and improves assembly speed and efficiency.

[0040] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A biological drug solution sampling valve, characterized in that, include: A valve seat, wherein a connecting groove is provided on the valve seat, and the valve seat has a first receiving cavity; The valve body is installed in the first receiving cavity of the valve seat, the valve body is provided with a preset number of first insertion through holes, and the valve body has a second receiving through hole; A sealing element is installed on the valve body, and at least a portion of the sealing element extends into a second receiving through hole of the valve body. The sealing element is provided with a predetermined number of connecting pins. Valve cover, wherein a predetermined number of second insertion through holes are provided on the valve cover; The valve seat, valve body, seal and valve cover are installed together in sequence, and the pins are respectively inserted into the second insertion hole on the valve cover and the first insertion hole on the valve body, and the connecting pin slides into the connecting groove on the valve seat.

2. The biological drug sampling valve according to claim 1, characterized in that, The valve seat includes a first connecting ring, a conical cylinder, and a first cylindrical cylinder. One end of the first connecting ring and the conical cylinder are installed together, and the other end of the first cylindrical cylinder is installed together with the conical cylinder. The first connecting ring and the conical cylinder form a first receiving cavity. The first cylindrical cylinder has a first channel that extends through the first cylindrical cylinder along its axial direction and communicates with the first receiving cavity.

3. The biological drug solution sampling valve according to claim 2, characterized in that, The connecting groove includes a vertical groove, a transition groove, and a horizontal groove. The vertical groove communicates with the transition groove, and the horizontal groove communicates with the transition groove. The connecting groove is disposed on the first connecting ring, and the vertical groove extends in a direction parallel to the axial direction of the first connecting ring. The horizontal groove extends circumferentially along the first connecting ring.

4. The biological drug sampling valve according to claim 1, characterized in that, The valve body includes a second connecting ring, a third connecting ring, and a valve body body. The second connecting ring and the third connecting ring are installed together. The valve body body is provided with a second receiving through hole, which passes through the valve body body. The valve body body is a conical cylinder.

5. The biological drug solution sampling valve according to claim 4, characterized in that, The valve body has a predetermined number of first insertion holes on its second connecting ring, and the first insertion holes pass through the second connecting ring; the valve body has a first end and a second end, the first end being the end with a larger diameter and the second end being the end with a smaller diameter, and the first end being held between the second connecting ring and the third connecting ring.

6. The biological drug sampling valve according to claim 1, characterized in that, The sealing element includes a fourth connecting ring, a sealing body, a second cylinder, and a silicone gasket. The fourth connecting ring is connected to the sealing body, the second cylinder is connected to the sealing body, and the silicone gasket is installed on the second cylinder. The sealing body has a second receiving cavity, and the second cylinder has a second channel that extends through the second cylinder along its axial direction, and the second receiving cavity communicates with the second channel. The connecting ring is located on the fourth connecting ring.

7. The biological drug solution sampling valve according to claim 6, characterized in that, The valve cover is provided with a preset number of liquid holes. When the valve cover and the valve seat are installed together, the liquid holes are connected to the second receiving cavity of the seal. The valve cover is also provided with a third insertion through hole, which passes through the valve cover. When the valve cover and the valve seat are installed together, the third insertion through hole is connected to the second receiving cavity.

8. The biological drug solution sampling valve according to claim 7, characterized in that, It also includes a valve stem, which includes a valve column and a top cap. One end of the valve column is connected to the top cap. The valve column is adapted to a third insertion hole on the valve cover. The valve column extends into the third insertion hole and can slide in the third insertion hole.

9. The biological drug sampling valve according to claim 8, characterized in that, It also includes a connecting rope, one end of which is connected to the valve stem and the other end of which is connected to the first cylinder of the valve seat; the valve seat also includes a limiting ring, which is installed on the first cylinder.

Images