Rapid sealing connection device for hospital sewage pipeline

Abstract

The utility model relates to the technical field of sewage pipelines, in particular to a quick sealing connection device for hospital sewage pipelines, which comprises a sewage pipeline A, the sewage pipeline A is adaptively nested in the front end of an outer pipe, the rear end of the outer pipe is adaptively nested at the rear end of an inner pipe component, and a sewage pipeline B is adaptively nested in the front end of the inner pipe component; the outer wall of a first inner pipe of the inner pipe assembly is in threaded connection with a second inner pipe in a matched and nested mode, a plurality of round holes are formed in the circumference of the rear end of the second inner pipe, the round holes and a trapezoid-like groove B in the tail of the first inner pipe form a movable cavity, a ball is movably nested in the movable cavity and can do radial motion in the movable cavity to be clamped into a groove A in a matched mode, and the groove A is formed in the inner wall of an outer pipe. The second inner pipe and the outer pipe are locked and fixed; a sealing ring is arranged between the outer pipe and the inner pipe assembly, the first inner pipe is rotated so that the ball can be embedded into the groove A in the inner wall of the outer pipe in a matched mode, and the outer pipe and the inner pipe assembly can be locked and sealed rapidly.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage pipeline technical field especially is related to a quick sealing connecting device for hospital sewage pipeline. BACKGROUND

[0002] The hospital sewage may contain various chemical substances and pathogen, and the hospital sewage pipeline generally adopts glass steel material with excellent corrosion resistance.

[0003] A common sealing connection mode of the sewage pipeline of glass steel material is socket and spigot bonding connection, the socket and spigot are polished and then coated with epoxy resin glue, and multiple layers of glass fiber cloth are reinforced, and the glue is cured at room temperature for 72 hours, which is not suitable for emergency repair and not suitable for sewage pipeline that needs to be frequently disassembled, another is clamp type connection, which uses stainless steel clamp to wrap the pipeline, lined with fluorine rubber gasket, and symmetrically fastened by bolts, the installation and disassembly of this connection mode are complicated, time-consuming and laborious, and meanwhile, excessive fastening of the clamp may damage the glass steel pipe wall.

[0004] Therefore, the application provides a quick sealing connecting device for hospital sewage pipeline to solve the problems in the above background. SUMMARY

[0005] The utility model discloses a kind of quick sealing connecting devices for hospital sewage pipeline, to solve the problems such as the disassembly inconvenience of existing sewage pipeline.

[0006] To solve the above technical problems, the utility model provides a quick sealing connecting device for hospital sewage pipeline, comprising sewage pipeline A, sewage pipeline A is adaptively nested in the front end of outer pipe, the rear end of outer pipe is adaptively nested in the rear end part of inner pipe assembly, and the front end part of inner pipe assembly is adaptively nested in sewage pipeline B;The outer wall of the first inner tube of the inner tube assembly is adaptively nested in the second inner tube, and the rear end part of the second inner tube is provided with a plurality of round holes, the round holes form a movable cavity with the trapezoidal groove B of the tail part of the first inner tube, a spherical ball is movably nested in the movable cavity, the spherical ball can move radially in the movable cavity and be adaptively clamped into the groove A, and the groove A is provided on the inner wall of the outer pipe to lock and fix the second inner tube and the outer pipe.

[0007] The further improvement of the utility model technical scheme is that the inner tube assembly further comprises a first inner tube adaptively nested in sewage pipeline B, and the inner wall of the front end of the first inner tube is provided with a plurality of L-shaped hooks B, which are used for positioning and pressing the inner wall of sewage pipeline B.

[0008] The further improvement of the utility model technical scheme is that the top end of the outer wall of the first inner tube is provided with a folded edge A, the rear end of the folded edge A is provided with external threads on the body of the outer wall of the first inner tube, the rear end of the external threads is provided with a trapezoidal groove B in circumference, the front side wall of the trapezoidal groove B is a slope, and the slope is used for the radial movement of the spherical ball in the round hole.

[0009] The further improvement of the utility model technical scheme lies in that: the U-shaped groove C is arranged at the rear end of the groove B, and the sealing ring is nested in the groove C.

[0010] The further improvement of the utility model technical scheme lies in that: the outer thread body of the first inner tube is adapted to screw the inner thread of the second inner tube, a plurality of round holes are arranged on the side wall of the second inner tube at the rear end of the inner thread, the diameter of the round hole is 1-5mm smaller than the diameter of the ball, the rear end of the round hole is provided with a ladder-shaped blocking strip, and the inner wall of the blocking strip is adapted to abut against the arc side wall of the groove B.

[0011] The further improvement of the utility model technical scheme lies in that: the ball abuts against the inclined surface, and 0-1 / 2 of the ball can be embedded in the round hole.

[0012] The further improvement of the utility model technical scheme lies in that: the outer tube further comprises an upper tube located at the front end part, a plurality of L-shaped hooking clamps A are vertically arranged on the inner wall of the upper tube in a circle, and the hooking clamps A are used for positioning and compressing the sewage pipeline A.

[0013] The further improvement of the utility model technical scheme lies in that: the rear end of the upper tube is integrally provided with a lower tube, the inner wall of the lower tube is provided with an arc-shaped groove A in a circle, and the groove A is adapted to align the round hole.

[0014] The further improvement of the utility model technical scheme lies in that: the inner diameter of the lower tube is greater than the inner diameter of the upper tube.

[0015] The further improvement of the utility model technical scheme lies in that: the outer thread of the first inner tube is longer than the inner thread of the second inner tube.

[0016] The further improvement of the utility model technical scheme lies in that: the vertical distance between the horizontal section of the hooking clamp A and the inner wall of the upper tube is less than the wall thickness of the sewage pipeline A, the vertical distance between the horizontal section of the hooking clamp B and the inner wall of the first inner tube is less than the wall thickness of the sewage pipeline B, and the hooking clamps A and B are made of elastic material.

[0017] By adopting the above technical scheme, the utility model has the following beneficial effects:

[0018] 1. The utility model provides a kind of quick sealing connection device for hospital sewage pipeline, the outer tube is adapted to nest inner tube assembly, sealing strip is arranged in inner tube assembly, and ball is arranged in inner tube assembly simultaneously, by the first inner tube and the second inner tube of mutual screwing, it is rotated into or rotated out movement, so that ball makes radial motion in the movable cavity formed by round hole and ladder-shaped groove B, and is adapted to be clamped into groove A, to realize that outer tube and inner tube assembly are rapidly clamped into connection.

[0019] 2. The utility model provides a kind of quick sealing connection device for hospital sewage pipeline, the first inner tube and second inner tube are formed movable cavity of globular by trapezoidal groove B and round hole between them, before locking, globular is in movable cavity, inner tube assembly is adapted to nest in the lower pipe inner cavity of outer tube, the back end of second inner tube is blocked bar and sticks to the bottom end of upper pipe, at this time, groove A is adapted to align round hole, then rotate first inner tube and make it spin inwards a little, so that globular is elevated outward along the inclined surface of groove B and partially protrudes round hole, part of globular is adapted to be clamped in groove A, and outer tube is tightly locked with inner tube assembly, simple and fast operation.

[0020] 3. The utility model provides a kind of quick sealing connection device for hospital sewage pipeline, the device is easy to disassemble, the sealing ring in the first inner tube is convenient to replace, so the device is applicable to the sewage pipeline that needs to be frequently opened.

[0021] 4. The utility model provides a kind of quick sealing connection device for hospital sewage pipeline, the outer tube and first inner tube inner wall are provided with L-shaped hook card A and hook card B respectively, hook card A and hook card B facilitate positioning, pressing of sewage pipeline A and sewage pipeline B. DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0023] Figure 1 It is a whole schematic view of a kind of quick sealing connection device for hospital sewage pipeline;

[0024] Figure 2 It is Figure 1 sectional view in the;

[0025] Figure 3 It is the structural schematic view of inner tube assembly;

[0026] Figure 4 It is the explosion view of inner tube assembly;

[0027] Figure 5 It is the sectional view of inner tube assembly;

[0028] Figure 6 It is the structural schematic view of outer tube;

[0029] Figure 7 It is the sectional view when locking state.

[0030] 1, sewage pipeline A; 2, outer pipe; 21, upper pipe; 211, hook A; 22, lower pipe; 221, groove A; 3, inner pipe assembly; 31, first inner pipe; 311, hook B; 312, folding edge A; 313, external thread; 314, groove B; 315, inclined surface; 316, groove C; 317, sealing ring; 32, second inner pipe; 321, round hole; 322, blocking strip; 323, internal thread; 33, movable cavity; 34, round ball; 4, sewage pipeline B. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The present application will be further explained and described below in conjunction with specific embodiments.

[0035] As Figures 1-7As shown, the embodiment provides a quick sealing connection device for hospital sewage pipeline, which comprises a sewage pipeline A1, the sewage pipeline A1 is adapted to be nested in the front end of an outer pipe 2, the rear end of the outer pipe 2 is adapted to be nested in the rear end of an inner pipe assembly 3, and the front end of the inner pipe assembly 3 is adapted to be nested in a sewage pipeline B4; the outer wall of a first inner pipe 31 of the inner pipe assembly 3 is adapted to be nested in a threaded second inner pipe 32, a plurality of round holes 321 are arranged on the rear end of the second inner pipe 32, the round holes 321 and a trapezoidal groove B314 at the tail of the first inner pipe 31 form a movable cavity 33, a spherical ball 34 is movably nested in the movable cavity 33, the spherical ball 34 can move radially in the movable cavity 33 and be adapted to be clamped into a groove A221, the groove A221 is arranged on the inner wall of the outer pipe 2, so as to lock and fix the second inner pipe 32 and the outer pipe 2; specifically, one end of the outer pipe 2 is connected to the sewage pipeline A1, one end of the inner pipe assembly 3 is connected to the sewage pipeline B4, and the outer pipe 2 and the inner pipe assembly 3 can be quickly connected and quickly detached, so as to facilitate frequent opening of the sewage pipeline A1 and the sewage pipeline B4, a sealing ring 317 is arranged on the outer side of the second inner pipe 32 on the outer side of the inner pipe assembly 3, the sealing ring 317 is made of corrosion-resistant fluorine rubber material with elasticity, the movable cavity 33 of the spherical ball 34 is formed between the trapezoidal groove B314 and the round hole 321 between the first inner pipe 31 and the second inner pipe 32, before locking, the spherical ball 34 is immersed in the movable cavity 33, the inner pipe assembly 3 is adapted to be nested in the inner cavity of a lower pipe 22 of the outer pipe 2, the rear end of the second inner pipe 32 abuts against the bottom end of an upper pipe 21, at this time, the groove A221 is adapted to be aligned with the round hole 321, then the first inner pipe 31 is rotated to be slightly rotated inward, so that the spherical ball 34 is raised outward along the inclined surface 315 of the groove B314 and part of the spherical ball 34 protrudes from the round hole 321, part of the spherical ball 34 is adapted to be clamped into the groove A221, the outer pipe 2 and the inner pipe assembly 3 are locked, and the operation is simple and fast.

[0036] As Figures 2-5As shown, in this embodiment, the inner tube assembly 3 further comprises a first inner tube 31 adapted to the sewage pipe B4, the inner wall of the front end of the first inner tube 31 is provided with a plurality of L-shaped hooks B311 for positioning and pressing the inner wall of the sewage pipe B4; the top end of the outer wall of the first inner tube 31 is provided with a folded edge A312, the rear end of the folded edge A312 is provided with external threads 313 on the outer wall body of the first inner tube 31, the rear end of the external threads 313 is provided with a trapezoidal groove B314 in circumference, the front side wall of the groove B314 is a slope 315 for the radial movement of the ball 34 in the circular hole 321; the rear end of the groove B314 is provided with a U-shaped groove C316 in which a sealing ring 317 is nested; specifically, the front end of the first inner tube 31 is adapted to the outer diameter of the sewage pipe B4, the top end of the elastic hook B311 presses the inner wall of the sewage pipe B4, the rear end of the first inner tube 31 is reduced by 3-8 mm in inner diameter than the front end, in order to increase the support strength of the rear end groove B314, the folded edge A312 is a polygonal structure for rotating the first inner tube 31, the slope 315 of the groove B314 is close to the tail end of the external threads 313, by the inward displacement of the first inner tube 31 relative to the second inner tube 32, the ball 34 will displace upward and outward along the slope 315 to protrude from the circular hole 321.

[0037] As shown in Figure 4 , Figure 5 , Figure 7 As shown in this embodiment, the external threads 313 of the first inner tube 31 are longer than the internal threads 323 of the second inner tube 32; the external threads 313 of the first inner tube 31 are adapted to the internal threads 323 of the second inner tube 32, the side wall of the second inner tube 32 is provided with a plurality of circular holes 321 in circumference at the rear end of the internal threads 323, the diameter of the circular hole 321 is 1-5 mm smaller than the diameter of the ball 34, the rear end of the circular hole 321 is provided with a trapezoidal barrier 322, the inner wall of the barrier 322 is adapted to the arc side wall of the groove B314; the ball 34 abuts against the slope 315, 0-1 / 2 of the ball 34 can be embedded in the circular hole 321; specifically, after the inner tube assembly 3 is sleeved in the outer tube 2, the outer wall of the second inner tube 32 abuts against the inner wall of the lower pipe 22, the bottom end of the second inner tube 32 should abut against the bottom end of the upper pipe 21, so as to facilitate the judgment of whether the second inner tube 32 is installed in place, the internal threads 323 of the second inner tube 32 are shorter than the external threads 313 of the first inner tube 31, so as to facilitate the mutual displacement between the first inner tube 31 and the second inner tube 32, the barrier 322 at the rear end of the second inner tube 32 abuts against the groove B314, the barrier 322 is used for limiting the ball 34 to move only between the circular hole 321 and the groove B314, the diameter of the circular hole 321 is 2 mm smaller than the diameter of the ball 34, at most 1 / 2 of the ball 34 protrudes from the circular hole 321 to enter the groove A221, and the outer tube 2 is locked and fixed.

[0038] As shown in Figure 2 , Figure 6 , Figure 7 As shown in this embodiment,Figures 1-2 As shown, in the embodiment, the outer tube 2 further comprises an upper tube 21 located at the front end, a plurality of L-shaped hooking pieces A211 are vertically arranged on the inner wall circumference of the upper tube 21, and the hooking pieces A211 are used for positioning and compressing the sewage pipeline A1; a lower tube 22 is integrally arranged at the rear end of the upper tube 21, and an arc-shaped groove A221 is arranged on the inner wall circumference of the lower tube 22, and the groove A221 is adapted to align with the circular hole 321; the inner diameter of the lower tube 22 is larger than that of the upper tube 21; specifically, the hooking pieces A211 and the hooking pieces B311 are the same in structure, size and function, and the outer tube 2 comprises the upper tube 21 and the lower tube 22 which have the same outer diameter and different inner diameters, the inner diameter of the upper tube 21 is smaller than that of the lower tube 22, the upper tube 21 is adapted to be sleeved with the sewage pipeline A1, and the lower tube 22 is adapted to be nested with the second inner tube 32 of the inner tube assembly, so as to realize quick installation and disassembly of the outer tube 2 and the inner tube assembly 3.

[0039] The working principle of the quick sealing and connecting device for the hospital sewage pipeline is as follows: in use, the worker sleeves the sewage pipeline A1 in the upper tube 21 of the outer tube 2, connects one end of the inner tube assembly 3 to the sewage pipeline B4, and then sleeves the second inner tube 32 of the inner tube assembly 3 in the lower tube 22 of the outer tube 2, and the back end of the second inner tube 32 abuts against the bottom end of the upper tube 21, at this time, the groove A221 is adapted to align with the circular hole 321, and the outer side of the second inner tube 32 is provided with a sealing ring 317 abutting against the inner wall of the lower tube 22, then the second inner tube 32 is kept stationary, the first inner tube 31 is rotated to be slightly rotated inward, the spherical ball 34 is raised outward along the inclined surface 315 of the groove B314 to make part of the spherical ball 34 protrude from the circular hole 321, the protruding spherical ball 34 is adapted to be clamped into the groove A221, and the outer tube 2 and the inner tube assembly 3 are locked, so that the sewage pipeline A1 and the sewage pipeline B4 are quickly connected and locked.

[0040] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or part or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A quick-sealing connection device for hospital sewage pipelines, characterized in that, The system includes a sewage pipe A (1), which is fitted and nested inside the front end of an outer pipe (2). The rear end of the outer pipe (2) is fitted and nested inside the rear end of an inner pipe assembly (3). The front end of the inner pipe assembly (3) is fitted and nested inside a sewage pipe B (4). The outer wall of the first inner pipe (31) of the inner pipe assembly (3) is fitted and nested with a second inner pipe (32). The rear end of the second inner pipe (32) is provided with several circular holes (321). The circular holes (321) and the trapezoidal groove B (314) at the tail of the first inner pipe (31) form a movable cavity (33). A sphere (34) is movably nested inside the movable cavity (33). The sphere (34) can move radially inside the movable cavity (33) and fit into the groove A (221). The groove A (221) is set on the inner wall of the outer pipe (2) to lock and fix the second inner pipe (32) and the outer pipe (2).

2. The quick-sealing connection device for hospital sewage pipelines according to claim 1, characterized in that, The inner tube assembly (3) also includes a first inner tube (31) adapted to the nested sewage pipe B (4). Several L-shaped hooks B (311) are arranged on the inner wall of the front end of the first inner tube (31). The hooks B (311) are used to position and press the inner wall of the sewage pipe B (4).

3. The quick-sealing connection device for hospital sewage pipelines according to claim 2, characterized in that, The top of the outer wall of the first inner tube (31) is provided with a folded edge A (312). The rear end of the folded edge A (312) is provided with an external thread (313) on the outer wall body of the first inner tube (31). The rear end of the external thread (313) is provided with a trapezoidal groove B (314). The front side wall of the groove B (314) is a slope (315). The slope (315) is used for the sphere (34) to move radially in the circular hole (321).

4. The quick-sealing connection device for hospital sewage pipelines according to claim 3, characterized in that, A U-shaped groove C (316) is provided at the rear end of groove B (314), and a sealing ring (317) is nested inside groove C (316).

5. The quick-sealing connection device for hospital sewage pipelines according to claim 2, characterized in that, The external thread (313) of the first inner tube (31) is adapted to be screwed onto the internal thread (323) of the second inner tube (32). The side wall of the second inner tube (32) is provided with several round holes (321) around the rear end of the internal thread (323). The diameter of the round holes (321) is 1~5mm smaller than the diameter of the sphere (34). A step-like stop bar (322) is provided at the rear end of the round holes (321). The inner wall of the stop bar (322) is adapted to abut against the arc side wall of the groove B (314).

6. The quick-sealing connection device for hospital sewage pipelines according to claim 5, characterized in that, The sphere (34) abuts against the inclined surface (315), and the sphere (34) of 0~1 / 2 can be embedded in the circular hole (321).

7. The quick-sealing connection device for hospital sewage pipelines according to claim 1, characterized in that, The outer pipe (2) also includes an upper pipe (21) located at the front end. Several L-shaped hooks A (211) are vertically arranged on the inner circumference of the upper pipe (21). The hooks A (211) are used to position and press the sewage pipe A (1).

8. The quick-sealing connection device for hospital sewage pipelines according to claim 7, characterized in that, The lower tube (22) is integrally set at the rear end of the upper tube (21). The inner wall of the lower tube (22) is provided with an arc groove A (221), and the groove A (221) is adapted to align with the circular hole (321).

9. The quick-sealing connection device for hospital sewage pipelines according to claim 8, characterized in that, The inner diameter of the lower pipe (22) is larger than the inner diameter of the upper pipe (21).

10. The quick-sealing connection device for hospital sewage pipelines according to claim 5, characterized in that, The external thread (313) of the first inner tube (31) is longer than the internal thread (323) of the second inner tube (32).

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