CN219397382U - Sealing ring, control valve, sample collection container and endoscope - Google Patents

Abstract

The utility model relates to a sealing ring, a control valve, a sample collection container and an endoscope, which comprises a main body, wherein a first channel and a second channel are arranged on the main body, the first channel and the second channel are respectively positioned on different radial directions of the main body, a first bulge which is arranged corresponding to the first channel and a second bulge which is arranged corresponding to the second channel are arranged on the inner wall of the main body, and the height peak lines of the first bulge and the second bulge are gradually changed. The utility model can reduce the influence of the first bulge and the second bulge on the sealing ring to force the valve core to deviate from the axial lead of the valve body, and can ensure that a communication channel between the sealing ring and the valve core is kept stable and balanced, thereby avoiding the occurrence of differentiation phenomena of tight contact and loose contact on the first bulge and the second bulge, solving the problem of leakage caused by inconsistent contact tightness of two sides of the sealing ring in the switching guide process and improving the use convenience and safety of equipment.

Description

Sealing ring, control valve, sample collection container and endoscope

Technical Field

The utility model relates to the technical field of endoscopes, in particular to a sealing ring, a control valve, a sample collection container and an endoscope.

Background

An endoscope is one of important medical instruments in modern medical technology, and can be matched with a sample bottle, the sample bottle is in butt joint with an endoscope handle, an endoscope insertion part extends into a body cavity of a human body to sample, and the sample is driven to be introduced into the sample bottle through the endoscope to be collected.

In the process of realizing the utility model, the applicant finds that in order to realize effective collection of the target sample, a control valve is required to be arranged on a butt joint structure of the sample bottle and the endoscope handle, the target sample is selectively led into the sample bottle at a proper sampling node by using the control valve, and the sample is led into the recovery bottle at a non-sampling node, namely, the control valve is required to be adopted to complete the switching guide work between the sample bottle and the recovery bottle, and the sample leakage is easy to be caused in the switching guide process of the control valve, so that the use is inconvenient.

Disclosure of Invention

The purpose of this application is to provide a sealing ring, control valve, sample collection container and endoscope, solves the above-mentioned technical problem that exists among the prior art, mainly includes four aspects:

the first aspect of the application provides a sealing ring for sample collection container, which comprises a main body, be provided with first passageway and second passageway in the main part, first passageway, second passageway are located the difference radial of main part respectively, set up on the inner wall of main part with first passageway correspond the first arch that sets up and correspond the second arch that sets up with the second passageway, the bellied high peak line of first is by keeping away from the bellied side of second side and be close to the bellied side of second and increase gradually, and first arch is used for realizing the seal to first passageway port, the bellied high peak line of second is by keeping away from the bellied side of first side and be close to the bellied side of first and increase gradually, and the second is protruding to be used for realizing the seal to second passageway port.

Further, the first protrusion and/or the second protrusion are/is made of resin.

Further, the first bulge is in an annular structure or a C-shaped structure, and the first channel port is arranged in the first bulge; the second bulge is of an annular structure or a C-shaped structure, and the second channel port is arranged in the second bulge.

Further, the main body is provided with a mounting hole, and the mounting hole is used for realizing the mounting and fixing of the main body.

Further, the mounting hole is provided along the axial direction of the main body.

The second aspect of the application provides a control valve, including valve body, case and above-mentioned sealing ring, be provided with on the valve body and revolve accuse chamber way, fluid channel and external passageway, the sealing ring is located between valve body and the case, be provided with third passageway, fourth passageway and fifth passageway on the case, have the circumference between case and the valve body and rotate the stroke, circumference rotates the stroke and includes first position and second position, and when first position, fluid channel, first passageway, third passageway, revolve accuse chamber way, fourth passageway, second passageway and external passageway communicate in proper order, and when second position, fluid channel, first passageway, fifth passageway, second passageway and external passageway communicate in proper order.

Further, a sealing groove is formed in the inner wall of the rotary control cavity channel, and the sealing ring is arranged in the sealing groove.

Further, the control valve further comprises a rotary control part, the rotary control part is detachably connected with the valve core, and the rotary control part is used for receiving driving force so as to realize rotary driving of the valve core in the valve body.

The third aspect of the application provides a sample collection container, including bottle and above-mentioned control valve, be provided with connecting portion on the valve body, the valve body passes through connecting portion and is connected with the bottle, control by soon the cavity way and bottle inside intercommunication.

A fourth aspect of the present application provides an endoscope comprising a handle and the sample collection container described above, the handle being provided with a sample extraction interface which communicates with a fluid channel.

Compared with the prior art, the utility model has at least the following technical effects:

the utility model can reduce the influence of the first bulge and the second bulge on the sealing ring to force the valve core to deviate from the axial lead of the valve body, and can ensure that the communication channel between the sealing ring and the valve core is stably and uniformly sealed, thereby avoiding the occurrence of differentiation phenomena of tight contact and loose contact on the first bulge and the second bulge, ensuring stable sealing connection between the sealing ring and the valve core under the eccentric condition, solving the problem of leakage caused by inconsistent contact tightness at two sides of the sealing ring in the switching guide process and improving the use convenience and safety of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the embodiments of the present utility model or the drawings used in the description of the prior art, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a seal ring of the present utility model;

FIG. 2 is a front view of the seal ring of the present utility model;

FIG. 3 is a schematic view of the structure of a sample collection container of the present utility model;

FIG. 4 is an exploded view of the sample collection container of the present utility model;

FIG. 5 is a front view of the sample collection container (first position) of the present utility model;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along B-B in FIG. 5;

FIG. 8 is a schematic view of the valve cartridge and valve body of the present utility model in a second position;

FIG. 9 is a schematic view of the structure of the valve cartridge of the present utility model;

FIG. 10 is a schematic view of the structure of an endoscope of the present utility model;

in the drawing the view of the figure,

100. a seal ring; 110. a main body; 111. a first channel; 112. a second channel; 120. a first protrusion; 130. a second protrusion; 140. a mounting hole; 210. a valve body; 211. a fluid channel; 212. an external channel; 213. a rotary control cavity channel; 214. a connection part; 215. sealing grooves; 220. a valve core; 223. a third channel; 224. a fourth channel; 225. a fifth channel; 230. a rotation control part; 240. a bottle body; 310. a handle; 320. the sample is led out of the interface.

Detailed Description

The following description provides many different embodiments, or examples, for implementing different features of the utility model. The elements and arrangements described in the following specific examples are presented for purposes of brevity and are provided only as examples and are not intended to limit the utility model.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

In addition, in the utility model, the 'near end' and the 'far end' are far and near positions of the structure relative to human body operation under the use environment, so that the description of the position relationship among the components is convenient, and meanwhile, the understanding is convenient; for the same component, "proximal" and "distal" are relative positional relationships of the component, not absolute; accordingly, it should be understood from the perspective of implementing the principles of the present utility model without departing from the spirit of the utility model.

Example 1:

the embodiment of the application provides a sealing ring 100, which is used for a sample collection container, as shown in fig. 1 and 2, and comprises a main body 110, a first channel 111 and a second channel 112 are arranged on the main body 110, the first channel 111 and the second channel 112 are respectively located on different radial directions of the main body 110, a first protrusion 120 corresponding to the first channel 111 and a second protrusion 130 corresponding to the second channel 112 are arranged on the inner wall of the main body 110, the height peak line of the first protrusion 120 is gradually increased from the side far away from the second protrusion 130 to the side close to the second protrusion 130, the first protrusion 120 is used for realizing the sealing of the port of the first channel 111, the height peak line of the second protrusion 130 is gradually increased from the side far away from the first protrusion 120 to the side close to the first protrusion 120, and the second protrusion 130 is used for realizing the sealing of the port of the second channel 112.

In order to realize effective collection of the target sample, a control valve is required to be arranged on a butt joint structure of the sample bottle and the endoscope handle 310, the target sample is selectively led into the sample bottle at a proper sampling node by using the control valve, the sample is led into the recovery bottle at a non-sampling node, namely, the control valve is required to be adopted to complete the switching guide work between the sample bottle and the recovery bottle, so that two guide channels are generally arranged on the control valve, one guide channel is used for being communicated with the sample bottle, the other guide channel is used for being communicated with the recovery bottle, meanwhile, a sealing piece is generally arranged between a valve body 210 of the control valve and a valve core 220 for improving the sealing performance of the control valve, and a sub sealing ring is arranged on the sealing piece for sealing the ports of the guide channels, so that the sealing performance of the control valve in the switching guide process is avoided, but generally the two sub sealing rings are not arranged in the same radial direction, the valve core 220 is influenced by the sub sealing ring, the shifted axial lead of the valve core 210 is unevenly extruded, one side of the sub sealing ring is tightly contacted with the ports of the guide channels, and the other side is easily contacted with the ports of the guide channels, and the loose side is easily leaked in the switching guide device in the normal use process; in this embodiment, by improving the first protrusion 120 and the second protrusion 130 of the sub-seal on the main body 110 of the seal ring 100, the height peak line of the first protrusion 120 is gradually increased from the side far from the second protrusion 130 to the side close to the second protrusion 130, and the height peak line of the second protrusion 130 is gradually increased from the side far from the first protrusion 120 to the side close to the first protrusion 120, so that the height peak line of the corresponding part of the first protrusion 120 and the second protrusion 130, which is in contact with the valve core 220, protrudes from the height peak line of the corresponding part of the first protrusion 120 and the second protrusion 130, which is in contact with the valve core 220, so as to reduce the influence of the first protrusion 120 and the second protrusion 130 on the axial lead of the valve body 210, and maintain stable and balanced sealing of the guide channels, such as the third channel 223, the fourth channel 224 and the fifth channel 225, on the first protrusion 120 and the second protrusion 130, thereby avoiding the occurrence of differential phenomena of tight contact and loose contact on the first protrusion 120 and the second protrusion 130, ensuring that the sealing ring 100 and 220 are not consistent in the process of switching between the tight contact and loose contact, thereby ensuring the sealing ring sealing factor and the sealing ring leakage factor between the two sides under the conditions can be solved.

Specifically, to improve the sealing performance, to facilitate the rotation control of the control valve, the first protrusion 120 and/or the second protrusion 130 may be made of a resin material, so as to implement flexible sealing communication between the channel on the sealing ring 100 and the corresponding channel on the valve core 220.

Specifically, to achieve stable sealed communication between the first protrusion 120 and the first channel 111 and the third channel 223, the first protrusion 120 may be provided in an annular structure or a C-shaped structure, such that the port of the first channel 111 is provided in the first protrusion 120, and when the first channel 111 and the third channel 223 are communicated, the first protrusion 120 seals the port of the first channel 111 and the port of the third channel 223 at the same time, and suppresses the influence of the eccentricity of the valve core 220; similarly, to achieve a stable sealed communication between the second boss 130 and the second and fourth channels 112, 224, the second boss 130 may be in an annular or C-shaped configuration with the second channel 112 port disposed within the second boss 130.

When the first channel 111 and the second channel 112 are respectively connected to the fifth channel 225, the first protrusion 120 seals the first channel 111 port and the input port of the fifth channel 225, and the second protrusion 130 seals the second channel 112 port and the output port of the fifth channel 225.

Specifically, to ensure stable fit between the valve body 210, the valve core 220 and the seal ring 100, a mounting hole 140 may be provided on the main body 110, the mounting hole 140 is used to realize mounting and fixing of the main body 110 between the valve body 210 and the valve core 220, for example, the seal ring 100 may be fixedly connected with the valve body 210, for example, by means of a clamping connection, a bolting connection or a threaded connection between a mounting fixing member on the valve body 210 and the mounting hole 140, so that the seal ring 100 is fixedly mounted on the valve body 210, and the valve core 220 is at least partially disposed in the seal ring 100, and a circumferential rotation stroke is provided between the valve core 220 and the seal ring 100, so as to realize switching control of a channel for guiding a sample.

Specifically, in order to reduce the influence of the manner of mounting and fixing the seal ring 100 on the sealing performance, the mounting hole 140 may be disposed along the axial direction of the main body 110, so that the mounting fixing member may penetrate into the mounting hole 140 from the axial direction for fixing connection, and is isolated from the sealing communication cooperation between the peripheral channel ports, thereby ensuring the effective sealing communication between the seal ring 100 and the channels on the basis of improving the mounting stability of the seal ring 100.

Specifically, in order to improve the mounting stability of the seal ring 100, a plurality of mounting holes 140 may be provided on the main body 110, and three mounting holes 140 are preferably employed in the present embodiment, and the three mounting holes 140 are uniformly provided on the same circumference.

Example 2:

the embodiment of the present application provides a control valve, as shown in fig. 3 to fig. 9, including a valve body 210, a valve core 220, and a sealing ring 100 in embodiment 1, where the valve body 210 is provided with a rotary control channel 213, a fluid channel 211, and an external channel 212, the sealing ring 100 is located between the valve body 210 and the valve core 220, the valve core 220 is provided with a third channel 223, a fourth channel 224, and a fifth channel 225, a circumferential rotation stroke is provided between the valve core 220 and the valve body 210, the circumferential rotation stroke includes a first position and a second position, and in the first position, the fluid channel 211, the first channel 111, the third channel 223, the rotary control channel 213, the fourth channel 224, the second channel 112, and the external channel 212 are sequentially communicated, and in the second position, the fluid channel 211, the first channel 111, the fifth channel 225, the second channel 112, and the external channel 212 are sequentially communicated.

Because the rotary control cavity 213 is communicated with the bottle 240 of the sample collection container, when a sample is required to be introduced into the bottle 240, the rotary valve core 220 is rotated to a first position, as shown in fig. 6, at this time, the fluid channel 211, the first channel 111, the third channel 223, the rotary control cavity 213, the fourth channel 224, the second channel 112 and the external channel 212 are sequentially communicated, the sample can sequentially pass through the fluid channel 211, the first channel 111, the third channel 223 and the rotary control cavity 213 and fall into the bottle 240 to complete collection, and the rotary control cavity 213, the fourth channel 224, the second channel 112 and the external channel 212 are sequentially communicated, so that air in the bottle 240 can be sequentially discharged through the rotary control cavity 213, the fourth channel 224, the second channel 112 and the external channel 212, and the air pressure balance of the bottle 240 is ensured when the sample is collected; in addition, when the sample is not required to be transferred into the bottle 240, the valve core 220 may be rotated to the second position, as shown in fig. 8, and at this time, the fluid channel 211, the first channel 111, the fifth channel 225, the second channel 112 and the external channel 212 are sequentially connected, so that the sample may be sequentially discharged through the fluid channel 211, the first channel 111, the fifth channel 225, the second channel 112 and the external channel 212, without entering the bottle 240, thereby realizing the switching guide control of the sample.

Specifically, the output port of the first channel 111, the input port of the third channel 223 and the input port of the fifth channel 225 are disposed on the same plane, and the input port of the second channel 112, the output port of the fourth channel 224 and the output port of the fifth channel 225 are disposed on the same plane, so that in the first position, the output port of the first channel 111 is correspondingly communicated with the input port of the third channel 223, the output port of the fourth channel 224 is correspondingly communicated with the input port of the second channel 112, the output port of the second channel 112 is correspondingly communicated with the input port of the external channel 212, and the output port of the third channel 223 and the input port of the fourth channel 224 are respectively correspondingly communicated with the rotary control channel 213; in the second position, the output port of the first channel 111 is correspondingly communicated with the input port of the fifth channel 225, the output port of the fifth channel 225 is correspondingly communicated with the input port of the second channel 112, and the output port of the second channel 112 is correspondingly communicated with the input port of the external channel 212.

Specifically, to facilitate the installation and fixation of the seal ring 100 in the valve body 210, a seal groove 215 may be provided on the inner wall of the rotary control cavity 213, so that the seal ring 100 is disposed in the seal groove 215, specifically, the seal ring 100 and the valve body 210 may be fixedly connected by matching an installation fixing piece with the installation hole 140, and in some embodiments, the seal ring 100 may be limited and restrained in the seal groove 215 by matching the rotary control part 230 with the inner wall of the seal groove 215; when the seal ring 100 is mounted and fixed in the valve body 210, the first passage 111 communicates with the fluid passage 211, and the second passage 112 communicates with the external passage 212.

Specifically, in order to facilitate the operator to perform the switching control of the sample guiding channel, a rotation control portion 230 may be added, where the rotation control portion 230 is detachably connected to the valve core 220, and the rotation control portion 230 is configured to receive the driving force, so as to implement the rotation driving of the valve core 220 in the valve body 210; the operator drives the rotary control part 230 and the valve core 220 to rotate through rotating the rotary control part 230, so that the valve body 210 and the valve core 220 generate circumferential relative rotation, and the switching control of the sample guide channel is completed.

It should be noted that the detachable connection is in the prior art, and may specifically be a bolt connection, a threaded connection, a clamping connection, a joggle connection or an interference fit, which is not limited herein.

In some embodiments, to facilitate accurate rotation of the valve core 220 to the first position, a first stop may be provided on the valve core 220 or the rotation control portion 230, and the first stop in the first position is constrained by cooperation of the first stop and a stop cooperation portion on the valve body 210, so as to ensure that an operator can determine whether the first position is reached through rotation control resistance feedback; similarly, a second stop may be disposed on the valve core 220 or the rotary control portion 230, and the second stop is matched with the stop matching portion on the valve body 210 to restrict the second stop at the second position, so as to ensure that an operator can determine whether the second position is reached through feedback of rotary control resistance; further, the stop engaging portion may be a groove or a bump, and the first stop member and the second stop member may be groove walls or plates, which are not particularly limited herein.

Example 3:

the embodiment of the application provides a sample collection container, as shown in fig. 3 to 9, including a bottle 240 and the control valve in embodiment 2, the valve body 210 is provided with a connection portion 214, the valve body 210 is connected with the bottle 240 through the connection portion 214, and the rotary control channel 213 is communicated with the interior of the bottle 240.

When a sample needs to be connected into the bottle 240, the valve core 220 of the rotary control valve is rotated to a first position, and at the moment, the sample can sequentially pass through the fluid channel 211, the first channel 111, the third channel 223 and the rotary control cavity 213, fall into the bottle 240 to finish collection, and the bottle 240 is ensured to keep air pressure balance when collecting the sample; in addition, when the sample is not required to be transferred into the bottle 240, the valve core 220 is rotated to the second position, so that the flow guiding work of the sample is not affected.

Example 4:

an embodiment of the present application provides an endoscope, as shown in fig. 10, including a handle 310 and the sample collection container of embodiment 3, where a sample extraction port 320 is disposed on the handle 310, and the sample extraction port 320 is in communication with the fluid channel 211.

When the device is used, the insertion part of the endoscope is extended to a target position of a human body cavity, the sample leading-out interface 320 is communicated with the fluid channel 211, the negative pressure source is communicated with the external channel 212, the valve core of the control valve is rotated to a first position, and under the action of pressure difference, samples in the human body cavity sequentially pass through the insertion part of the endoscope, the endoscope handle 310, the sample leading-out interface 320, the fluid channel 211, the first channel 111, the third channel 223 and the rotary control channel 213 and fall into the bottle 240 to finish collection; when the sample is not required to be introduced into the bottle 240, the valve core 220 is rotated to the second position, and under the action of the pressure difference, the sample in the body cavity of the human body is sequentially guided out through the endoscope insertion part, the endoscope handle 310, the sample extraction port 320, the fluid channel 211, the first channel 111, the fifth channel 225, the second channel 112 and the external channel 212.

It should be noted that, the endoscope in the embodiment of the present application may be a bronchoscope, a pyeloscope, an esophagoscope, a gastroscope, a enteroscope, an otoscope, a nasal scope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, etc., and the embodiment of the present application does not specifically limit the type of the endoscope; the sample may be a body fluid, an organ tissue, a tumor tissue, or a foreign substance, which is not particularly limited herein.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A sealing ring is used for a sample collection container and is characterized by comprising a main body (110), a first channel (111) and a second channel (112) are arranged on the main body (110), the first channel (111) and the second channel (112) are respectively located on different radial directions of the main body (110), a first bulge (120) which corresponds to the first channel (111) and a second bulge (130) which corresponds to the second channel (112) are arranged on the inner wall of the main body (110), the height peak line of the first bulge (120) is gradually increased from the side, which is far away from the second bulge (130), of the second bulge (130) to be close to the side, of the second bulge (130) to be used for sealing a port of the first channel (111), the height peak line of the second bulge (130) is gradually increased from the side, which is far away from the first bulge (120) to be close to the side, and the second bulge (130) is used for sealing a port of the second channel (112).

2. The sealing ring according to claim 1, wherein the first protrusion (120) and/or the second protrusion (130) are/is of a resin material.

3. The sealing ring according to claim 1, wherein the first protrusion (120) has an annular or C-shaped configuration, and the first channel (111) port is arranged in the first protrusion (120); the second bulge (130) is in an annular structure or a C-shaped structure, and the port of the second channel (112) is arranged in the second bulge (130).

4. A sealing ring according to any one of claims 1-3, characterized in that the main body (110) is provided with mounting holes (140), said mounting holes (140) being adapted to effect mounting fixation of the main body (110).

5. The seal ring of claim 4, wherein the mounting hole (140) is disposed along an axial direction of the body (110).

6. A control valve, characterized in that, including valve body (210), case (220) and any one of claims 1 ~ 5 sealing ring (100), be provided with on valve body (210) and revolve accuse chamber way (213), fluid channel (211) and external passageway (212), sealing ring (100) are located between valve body (210) and case (220), be provided with third passageway (223), fourth passageway (224) and fifth passageway (225) on case (220), have circumference rotation stroke between case (220) and valve body (210), circumference rotation stroke includes first position and second position, in first position, fluid channel (211), first passageway (111), third passageway (223), revolve accuse chamber way (213), fourth passageway (224), second passageway (112) and external passageway (212) communicate in proper order, in second position, fluid channel (211), first passageway (111), fifth passageway (225), second passageway (112) and external passageway (212) communicate in proper order.

7. The control valve according to claim 6, characterized in that a sealing groove (215) is provided on the inner wall of the rotary control channel (213), and the sealing ring (100) is provided in the sealing groove (215).

8. The control valve according to claim 6 or 7, further comprising a rotary control part (230), the rotary control part (230) being detachably connected to the valve body (220), the rotary control part (230) being adapted to receive a driving force for effecting a rotational driving of the valve body (220) within the valve body (210).

9. A sample collection container, characterized by comprising a bottle body (240) and the control valve according to any one of claims 6-8, wherein a connecting part (214) is arranged on the valve body (210), the valve body (210) is connected with the bottle body (240) through the connecting part (214), and the rotary control cavity (213) is communicated with the interior of the bottle body (240).

10. An endoscope comprising a handle (310) and the sample collection container of claim 9, the handle (310) having a sample extraction port (320) disposed thereon, the sample extraction port (320) being in communication with the fluid channel (211).