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CN-224220105-U - Endoscope suction joint assembly and endoscope

CN224220105UCN 224220105 UCN224220105 UCN 224220105UCN-224220105-U

Abstract

The application provides an endoscope suction joint assembly and an endoscope, which comprise a fixed seat, a joint body fixedly arranged on the fixed seat, a first inner cavity and a plug-in cavity which are communicated with each other, wherein the plug-in cavity is provided with a first plug-in connector at least deviating from the outer wall surface of the fixed seat, the first plug-in connector is used for being connected with a suction device, an inner plug-in connector is used for being fixedly inserted with the plug-in cavity, a second plug-in connector is formed by surrounding a second inner cavity, the second plug-in connector is used for being externally connected with a suction tube of the endoscope, and a connecting tube is used for connecting the inner plug-in connector with the outer plug-in connector. The application effectively improves the air tightness and the reliability of the connection of the suction joint component of the endoscope.

Inventors

  • JIN GUOJUN

Assignees

  • 重庆金山科技集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250415

Claims (10)

  1. 1. An endoscope suction joint assembly, comprising a fixing seat (1), characterized in that it further comprises: The connector body (2) is fixedly arranged on the fixing seat (1), a first inner cavity (21) and an inserting cavity (22) which are communicated are formed by surrounding the connector body (2), a first inserting connector (23) is arranged on the outer wall surface, which is at least away from the fixing seat (1), of the inserting cavity (22), and the first inserting connector (23) is used for being connected with the suction device; The inner insert (3) is used for being fixedly inserted into the inserting cavity (22); The second plug connector (4) is enclosed to form a second inner cavity (41), and the second plug connector (4) is used for externally connecting an absorption tube of the endoscope; and the connecting pipe (5) is used for connecting the inner plug-in unit (3) and the second plug-in connector (4).
  2. 2. The endoscopic suction fitting assembly according to claim 1, wherein the first spigot (23) comprises a positioning head (233), a second conical head (232) and a first conical head (231) arranged in sequence in a first direction and in a direction away from the second spigot (4), the front projection of the first conical head (231) at the fixing base (1) being at least partially coincident with the front projection of the second conical head (232) at the fixing base (1) and the front projection of the positioning head (233) at the fixing base (1).
  3. 3. The endoscopic suction fitting assembly according to claim 2, wherein the forward projection of the first conical head (231) on the holder (1) is located within the forward projection of the second conical head (232) on the holder (1).
  4. 4. An endoscopic suction fitting assembly according to claim 3, wherein the holder (1) is provided with a sealing portion (11), the sealing portion (11) being provided with a first sealing surface, a side of the positioning head (233) facing the sealing portion (11) being provided with a second sealing surface (2331), the second sealing surface (2331) being adapted for sealing connection with the first sealing surface.
  5. 5. The endoscopic suction fitting assembly according to claim 2, wherein the fitting body (2) further comprises a wrench operating portion (234) provided between the second conical head (232) and the positioning head (233) for a wrench operation.
  6. 6. An endoscopic suction fitting assembly according to claim 1, wherein the first end of the connecting tube (5) extends through the inner insert (3) and the end face of the first end is flush with the end face of the inner insert (3).
  7. 7. The endoscope suction joint assembly according to any one of claims 1 to 6, wherein a placement groove (221) is formed in the bottom of the insertion cavity (22), a sealing ring (222) is arranged inside the placement groove (221), an avoidance chamfer (223) is formed on the end face, facing the placement groove (221), of the inner insert (3), and an avoidance space for avoiding the sealing ring (222) is formed by the avoidance chamfer (223) and the side wall and the bottom surface of the insertion cavity (22).
  8. 8. The endoscopic suction fitting assembly according to claim 7, wherein the end surface is a circular end surface having a diameter less than or equal to an inner diameter of the sealing ring (222).
  9. 9. An endoscopic suction fitting assembly according to claim 2, characterized in that the outer circumferential surface of the second spigot (4) is provided with a conical surface (42), the conical surface (42) tapering in a second direction and in a direction away from the connecting tube (5), the second direction being arranged intersecting the first direction.
  10. 10. An endoscope comprising an endoscope suction fitting assembly according to any of claims 1 to 9.

Description

Endoscope suction joint assembly and endoscope Technical Field The application relates to the technical field of medical instruments, in particular to an endoscope suction joint assembly. And to an endoscope comprising the above-described endoscope suction fitting assembly. Background The endoscope suction joint is a key component of a medical endoscope and is mainly used for connecting a suction device to help remove liquid, blood or tissue fragments in the operation or examination process so as to ensure clear operation vision, and the air tightness and reliability of the suction joint are key factors affecting the performance and directly determining whether the operation is successful or not. Therefore, how to improve the air tightness and reliability of the suction connector is a major research direction in the medical field. Disclosure of utility model The application provides an endoscope suction joint assembly, which effectively improves the air tightness and the reliability of the connection of the endoscope suction joint assembly. In a first aspect, the present application provides an endoscopic suction fitting assembly comprising a mounting base, further comprising: The connector body is fixedly arranged on the fixing seat, a first inner cavity and an inserting cavity which are communicated are formed by surrounding the connector body, a first inserting connector is arranged on the outer wall surface of the inserting cavity, which is at least away from the fixing seat, and the first inserting connector is used for being connected with the suction device; the inner plug-in component is used for being fixedly inserted with the plug-in cavity; The second plug connector is used for externally connecting an absorption tube of the endoscope; and the connecting pipe is used for connecting the inner plug-in unit and the second plug-in connector. In some embodiments, the first plug connector includes a positioning head, a second conical head and a first conical head that are sequentially disposed along a first direction and a direction deviating from the second plug connector, where the front projection of the first conical head on the fixing seat is at least partially overlapped with the front projection of the second conical head on the fixing seat and the front projection of the positioning head on the fixing seat. In some embodiments, the forward projection of the first conical head on the mount is within the forward projection of the second conical head on the mount, and the forward projection of the second conical head on the mount is within the forward projection of the positioning head on the mount. In some embodiments, the fixing base is provided with a sealing part, the sealing part is provided with a first sealing surface, one side of the positioning head facing the sealing part is provided with a second sealing surface, and the second sealing surface is used for being in sealing connection with the first sealing surface. In some embodiments, the joint body further includes a wrench operating portion disposed between the second conical head and the positioning head for operation of a wrench. In some embodiments, the first end of the connecting tube extends through the insert and the end face of the first end is flush with the end face of the insert. In some embodiments, the bottom of the cavity of the plugging cavity is provided with a placing groove, a sealing ring is arranged inside the placing groove, the end face of the inner plug-in component, which faces the placing groove, is provided with an avoidance chamfer, and the avoidance chamfer forms an avoidance space for avoiding the sealing ring with the side wall and the bottom surface of the plugging cavity. In some embodiments, the end face is a circular end face having a diameter less than or equal to an inner diameter of the seal ring. In some embodiments, the outer circumferential surface of the second plug is provided with a tapered surface, the tapered surface tapers in a second direction and away from the connecting tube, the second direction intersecting the first direction. In a second aspect, the present application also provides an endoscope comprising an endoscopic suction fitting assembly as described in any of the preceding claims. Drawings In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic view of an endoscopic suction fitting assembly provided in some embodiments of the present application; FIG. 2 is a schematic view of an alternative view of an endoscopic sucti