Quick connect replacement seal for pipe installations

Abstract

The utility model provides a kind of sealing device of quick connection replacement for pipeline installation, belong to high-temperature radiation environment equipment manufacturing technical field.It includes sealing socket and sealing plug;Sealing plug includes U-shaped slide, bellow and plug, plug is located in U-shaped slide inner bottom and one end stretches out, interface seat is fixed on U-shaped slide upper end port;U-shaped slide inside is horizontally equipped with through plate, bellow passes through through plate vertically and moves, bellow upper end is connected with interface seat, bellow lower end is connected with plug, inlet communication hole on interface seat, bellow inner hole and plug inner plug inner communication hole are sequentially communicated;Sealing socket includes base, base middle is horizontally equipped with plug insertion hole, outlet communication hole that is communicated with plug insertion hole is equipped in base inner lower part, and the pressing structure for pressing plug in plug insertion hole is equipped on base.The device solves the problem of equipment pipeline quick installation replacement maintenance under high-temperature nuclear radiation environment.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of high-temperature radiation environment equipment manufacturing, and particularly relates to a sealing device for quick connection and replacement of pipeline installation, which is mainly suitable for a sealing joint of a gas path and a water path that can be quickly installed and replaced and maintained in a high-temperature (>=200 DEG C) and nuclear radiation environment and is made of full metal material. BACKGROUND

[0002] The installation and maintenance of a gas path and a cooling water path (hereinafter referred to as a pipeline) in a high-temperature and nuclear radiation environment cannot be achieved by using conventional joints for unmanned installation and replacement and maintenance because an operator cannot reach the joint for installation and replacement and maintenance. In addition, conventional non-metallic sealing materials are prone to failure in a high-temperature and nuclear radiation environment. To solve the problems in the prior art, the application aims to design a full-metal sealing joint that can be quickly installed and replaced and maintained by using a mechanical hand or a master-slave hand in a high-temperature and nuclear radiation environment. SUMMARY

[0003] The application solves the technical problem of providing a sealing device for quick connection and replacement of pipeline installation. The application aims to design a sealing device for the problem that a pipeline joint cannot be manually installed and replaced and maintained in a high-temperature and nuclear radiation environment. The device can be installed and replaced and maintained by using a mechanical hand or a master-slave hand, thereby solving the problem of quick installation and replacement and maintenance of a pipeline of a water path and a gas path of equipment in a high-temperature and nuclear radiation environment.

[0004] To achieve the above object, the application adopts the following technical scheme:

[0005] A sealing device for quick connection and replacement of pipeline installation, comprising a sealing socket and a sealing plug that are inserted into each other.

[0006] The sealing plug comprises a U-shaped sliding seat, a corrugated expansion pipe and a plug. The plug is arranged at the bottom of the U-shaped sliding seat and protrudes forward from one end. An interface seat is fixed to the upper end of the U-shaped sliding seat. A through plate is horizontally arranged in the U-shaped sliding seat. The corrugated expansion pipe is vertically movably arranged through the hole in the middle of the through plate. The upper end of the corrugated expansion pipe is fixedly connected to the lower end of the inlet communication hole in the middle of the interface seat. The lower end of the corrugated expansion pipe is fixedly connected to the rear end of the plug. The inlet communication hole on the interface seat, the inner hole of the corrugated expansion pipe and the plug inner communication hole in the plug are sequentially communicated.

[0007] The sealing socket comprises a base. A plug insertion hole is horizontally arranged in the middle of the base. An outlet communication hole is arranged in the lower part of the base and is in communication with the plug insertion hole. The front end of the plug is inserted into the plug insertion hole, and the outlet end of the plug inner communication hole is correspondingly arranged with the inlet end of the outlet communication hole. A pressing structure is arranged on the base and is used for pressing the plug in the plug insertion hole.

[0008] Further to the above scheme, the two through plates are arranged horizontally and parallel to each other, and the two through plates are arranged on the two sides of the U-shaped sliding base, and the two through plates are fixed in the sliding grooves by fasteners.

[0009] Further to the above scheme, the two through plates are arranged horizontally and parallel to each other, and the two through plates are arranged on the two sides of the U-shaped sliding base, and the two through plates are fixed in the sliding grooves by fasteners.

[0010] Further to the above scheme, the cross section of the plug socket is T-shaped structure, the front end of the plug is T-shaped head matched with the plug socket structure; the port of the outlet communication hole of the base is provided with a conical groove, and the outlet end of the plug inner communication hole of the lower part of the plug front end is provided with a spherical boss matched with the conical groove.

[0011] Further to the above scheme, the front side of the base is fixed with a cover plate through cover plate fixing screws, the cover plate covers the front port of the plug socket, a guide plate is clamped between the cover plate and the front side of the base, and a guide port is arranged on the guide plate and corresponds to the position of the plug socket; the lower part of the cover plate and the guide plate is provided with a notch corresponding to the position of the outlet end of the outlet communication hole.

[0012] Further to the above scheme, the compression structure on the base includes a compression screw, a round nut and a bushing, the base is vertically provided with an internal thread hole communicated with the plug socket, the compression screw is screwed with the bushing and then screwed into the internal thread hole, the lower end of the compression screw is pressed against the plug in the plug socket when the compression screw is screwed downward, and the round nut is screwed on the upper part of the compression screw.

[0013] The advantages of the present application compared with the prior art are as follows:

[0014] 1. The present application is designed for the joints that need to be installed and quickly replaced and maintained under high temperature nuclear radiation, and a pipeline connection sealing device composed of a sealed socket and a sealed plug is designed, which can be installed and replaced and maintained by a mechanical hand or a master-slave hand, and the problems of quick installation and replacement and maintenance of the pipeline of the equipment waterway and airway in the high temperature nuclear radiation environment are solved.

[0015] 2. The whole device is made of all-metal materials, which can meet the requirements of safety and reliability, and has simple structure and simple operation, and is convenient for installation and replacement and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is an overall structural exploded view of the present application;

[0017] Figure 2 is a sectional view of the sealed plug and the sealed socket in the present application. DETAILED DESCRIPTION

[0018] 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 some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0019] It should be noted that, in this document, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations. The element defined by the sentence "including a..." does not exclude the presence of another identical element in the process, method, article or device including the element.

[0020] Please refer to Figures 1-2 for detailed description of the embodiments of the present application.

[0021] Embodiment: A sealing device for quick connection and replacement of pipeline installation, comprising a sealed socket and a sealed plug inserted into each other.

[0022] In this embodiment, as shown in Figure 1 and 2 , the sealed plug comprises a U-shaped sliding seat 6, a corrugated expansion pipe 8 and a plug 18. The plug 18 is arranged at the bottom of the inner cavity of the U-shaped sliding seat 6 and protrudes forward at one end. An interface seat 9 is fixed on the upper port of the U-shaped sliding seat 6. The interface seat 9 is fixedly connected with the upper part of the U-shaped sliding seat 6 through interface seat fixing screws 10 at both ends. The interface seat fixing screws 10 are preferably internal hexagonal cylindrical head screws. An inlet communication hole 9-1 is arranged in the middle of the interface seat 9. The upper port of the inlet communication hole 9-1 is used to fixedly connect the port of the inlet end pipe by welding.

[0023] A through plate is arranged horizontally inside the U-shaped sliding seat 6. The through plate comprises two through plates, i.e. a lower through plate 2 and an upper through plate 3, which are horizontally parallel to each other. The U-shaped sliding seat 6 is provided with a sliding groove at the installation position of each through plate on the two opposite sides. The end of each through plate is slid into the sliding groove and fixed by a fastener.

[0024] The corrugated expansion pipe 8 vertically moves through the hole in the middle of the plate, the upper end of the corrugated expansion pipe 8 is fixedly connected with the lower end of the inlet communication hole 9-1 in the middle of the interface seat 9 through welding, and the lower end of the corrugated expansion pipe 8 is fixedly connected with the port of the plug inner communication hole 18-3 at the rear end of the plug 18 through welding.

[0025] The inlet communication hole 9-1 on the interface seat 9, the hole in the corrugated expansion pipe 8 and the plug inner communication hole 18-3 in the plug 18 are sequentially communicated.

[0026] Two slide rods 4 are vertically arranged on both sides of each plate, a linear bearing 1 is fixedly arranged in the hole of each plate, and the slide rod 4 is sleeved with the linear bearing 1. The lower end of the slide rod 4 is screwed and fastened with the plug 18, the slide rod 4 is screwed into the hole on both sides of the interface seat 9, and a slot is arranged at the upper end of the slide rod 4, which is screwed into by a flat screwdriver.

[0027] The rear cover plate 7 is fixedly connected with the rear cover plate fixing screw 5 on the back of the U-shaped slide 6, and the rear cover plate 7 is used for mounting the sealing plug on the equipment at the use end. Preferably, the rear cover plate fixing screw 5 is a hexagonal socket head screw.

[0028] In the embodiment, as shown in Figure 1 and 2 The sealing socket includes a base 17, a plug insertion hole 17-2 is horizontally arranged in the middle of the base 17, preferably, the cross section of the plug insertion hole 17-2 is a T-shaped structure, the front end of the plug 18 is arranged as a T-shaped head 18-2 which is matched with the structure of the plug insertion hole 17-2, so that the plug 18 can be smoothly inserted into the plug insertion hole 17-2.

[0029] The lower part of the base 17 is provided with an outlet communication hole 17-4 which is communicated with the plug insertion hole 17-2, the front end of the plug 18 is inserted into the plug insertion hole 17-2, and the outlet end of the plug inner communication hole 18-3 is correspondingly communicated with the inlet end of the outlet communication hole 17-4.

[0030] Preferably, the port of the outlet communication hole 17-4 in the base 17 which is communicated with the plug insertion hole 17-2 is arranged as a conical groove 17-3, the outlet end of the plug inner communication hole 18-3 at the lower part of the front end of the plug 18 is arranged as a spherical boss 18-1 which is matched with the conical groove 17-3, when the sealing plug is combined with the sealing socket, the close matching of the spherical boss 18-1 and the conical groove 17-3 limits the plug 18, so that the plug inner communication hole 18-3 in the plug 18 is correspondingly communicated with the outlet communication hole 17-4 in the base 17.

[0031] A cover plate 15 is fixed to the front side of the base 17 via cover plate fixing screws 14. The cover plate 15 seals the front end of the plug jack 17-2 and serves to limit the insertion of the plug 18. The cover plate fixing screws 14 are preferably hexagon socket head screws. A guide plate 16 is sandwiched between the cover plate 15 and the front side of the base 17. The guide plate 16 has guide openings corresponding to the positions of the plug jack 17-2, which facilitate guidance of the plug 18 after insertion. A notch 15-1 for the passage of pipe fittings is provided at the lower portion of the cover plate 15 and guide plate 16, corresponding to the outlet end of the outlet communication hole 17-4. After the outlet pipe fitting passes through the notch 15-1, it is fixedly connected to the outlet end of the outlet communication hole 17-4 by welding.

[0032] The base 17 is provided with a clamping structure for clamping the plug 18 into the plug socket 17-2. Specifically, the clamping structure on the base 17 includes a clamping screw 11, a round nut 12, and a bushing 13. An internally threaded hole 17-1 is vertically provided on the upper axis of the base 17 and communicates with the plug socket 17-2. The bushing 13 is screwed onto the clamping screw 11 and screwed into the internally threaded hole 17-1. As the lower end of the clamping screw 11 moves downward as it is screwed together, it clamps the plug 18 in the plug socket 17-2. The round nut 12 is screwed onto the upper portion of the clamping screw 11 and is used to adjust the lower limit of the clamping screw.

[0033] Preferably, the components of the sealing plug and the sealing socket are made of stainless steel and brass, and are made of all-metal materials, which can meet the requirements of safety and reliability.

[0034] The use principle of the present invention:

[0035] Installation of the sealed socket: After welding the base 17 to the outlet pipe fittings, connect the guide plate 16 and the cover plate 15 to the base 17 with fasteners, screw the clamping screw 11 and the bushing 13 together and screw them into the internal threaded hole 17-1 on the upper part of the base 17, and make the clamping screw 11 at the upper limit position. The round nut 12 is used to adjust the lower limit position of the clamping screw 11.

[0036] To install the sealed plug: After inserting the lower and upper piercing plates 1 and 2 onto the bellows 8, weld the upper end of the bellows 8 to the interface seat 9, aligning it with the lower end of the inlet communication hole 9-1. Weld the lower end to the plug 18, aligning it with the inlet end of the internal communication hole 18-3. Then, sequentially install the linear bearing 1 and slide rod 4 onto the plug. Adjust the position of the upper and lower piercing plates and install them on the slide seat 6. Secure them with fasteners, and then securely install the rear cover 7. This allows the plug to be mounted on the end device. At this point, the socket and slide rod 4 can smoothly move together, driving the bellows 8 to expand and contract.

[0037] In use, the plug 18 of the sealing plug is aligned with the T-shaped hole on the base 17 of the sealing socket, and stopped when the front end of the plug is limited by the cover plate 15, the position of the sealing plug and the sealing socket is fixed, at this time, the spherical boss under the plug 18 is aligned with the conical groove in the base 17, at this time, the compression screw 11 is rotated to press the plug 18, so that the spherical boss under the plug is in close contact with the conical groove in the base, and a reasonable torque is controlled to meet the requirements of sealing connection.

[0038] The device is designed for the problem that the pipe joint cannot be manually installed and maintained in a high-temperature nuclear radiation environment, and can be installed and maintained by using a manipulator or a master-slave hand, thereby solving the problems of rapid installation and maintenance of the pipe of the water circuit and the gas circuit of the equipment in a high-temperature nuclear radiation environment, and the device has the advantages of simple structure, simple operation, and convenient installation and maintenance.

[0039] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, and the application can be implemented in other specific forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0040] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A quick connect replacement seal for pipe installations, characterized by: The sealed socket and the sealed plug are mutually inserted; The sealed plug comprises a U-shaped sliding seat (6), a corrugated expansion pipe (8) and a plug (18), the plug (18) is arranged at the bottom of the U-shaped sliding seat (6) and extends forward from one end, and a port at the upper end of the U-shaped sliding seat (6) is fixedly connected with an interface seat (9); a through plate is horizontally arranged in the U-shaped sliding seat (6), the corrugated expansion pipe (8) vertically passes through a hole in the middle of the through plate, the upper end of the corrugated expansion pipe (8) is fixedly connected with a lower port of an inlet communication hole (9-1) in the middle of the interface seat (9), and the lower end of the corrugated expansion pipe (8) is fixedly connected with the rear end of the plug (18); the inlet communication hole (9-1) on the interface seat (9), the inner hole of the corrugated expansion pipe (8) and a plug inner communication hole (18-3) in the plug (18) are sequentially communicated; The sealed socket comprises a base (17), a plug insertion hole (17-2) is horizontally arranged in the middle of the base (17), an outlet communication hole (17-4) is arranged at the lower part in the base (17) and is communicated with the plug insertion hole (17-2), the front end of the plug (18) is inserted into the plug insertion hole (17-2) and the outlet end of the plug inner communication hole (18-3) is corresponded to the inlet end of the outlet communication hole (17-4), and a pressing structure is arranged on the base (17) and is used for pressing the plug (18) in the plug insertion hole (17-2); The cross section of the plug insertion hole (17-2) is a T-shaped structure, and the front end of the plug (18) is a T-shaped head (18-2) which is matched with the structure of the plug insertion hole (17-2).

2. A quick connect replacement seal for pipe installations according to claim 1, characterized in that: The through plate is provided with two through plates (2) and (3) which are horizontally parallel to each other, the U-shaped sliding seat (6) is provided with sliding grooves at the positions corresponding to the installation positions of the through plates on the two side surfaces, the end of each through plate is slid into the sliding groove and is fixed by a fastener, the two ends of the interface seat (9) are fixedly connected with the upper part of the U-shaped sliding seat (6) by interface seat fixing screws (10), and the back cover plate (7) is fixed to the back surface of the U-shaped sliding seat (6) by a back cover plate fixing screw (5).

3. A quick connect replacement seal for plumbing applications according to claim 2, wherein: The two through plates are vertically provided with slide rods (4), the slide rod (4) is fixedly arranged in the hole of the through plate sleeve and is provided with a linear bearing (1), the slide rod (4) is sleeved with the linear bearing (1), the lower end of the slide rod (4) is threadedly connected with the plug (18), the slide rod (4) is screwed into the holes on the two sides of the interface seat (9), and the upper end of the slide rod (4) is provided with a slot which is screwed into by a flat screwdriver.

4. A quick connect replacement seal for plumbing applications as defined in claim 1, wherein: The outlet communication hole (17-4) in the base (17) is provided with a conical groove (17-3) at the port communicated with the plug insertion hole (17-2), and the outlet end of the plug inner communication hole (18-3) at the lower part of the front end of the plug (18) is provided with a spherical boss (18-1) which is matched with the conical groove (17-3).

5. A quick connect replacement seal for plumbing installations according to claim 4, wherein: The front side of the base (17) is fixed with a cover plate (15) through a cover plate fixing screw (14), the cover plate (15) covers the front end of the plug jack (17-2), the cover plate (15) and the front side of the base (17) are clamped with a guide plate (16), the guide plate (16) is provided with a guide hole corresponding to the position of the plug jack (17-2), and the lower part of the cover plate (15) and the guide plate (16) is provided with a gap (15-1) corresponding to the outlet end position of the outlet communication hole (17-4) for the pipe to pass through.

6. A quick connect replacement seal for plumbing applications as defined in claim 1, wherein: The compression structure on the base (17) comprises a compression screw (11), a round nut (12) and a bushing (13), the base (17) is vertically provided with an internal thread hole (17-1) communicated with the plug jack (17-2), the compression screw (11) is screwed with the bushing (13) and then screwed into the internal thread hole (17-1) together, the lower end of the compression screw (11) is pressed against the plug (18) in the plug jack (17-2) when it is screwed down, and the round nut (12) is screwed on the upper part of the compression screw (11).

Images