Pipe fitting connection auxiliary device

Abstract

The utility model discloses an auxiliary device for pipe fitting connection. The pipe fitting connecting auxiliary device comprises a pipe fitting connecting body which is in an open circular ring shape, a first stress structure and a second stress structure are arranged on the pipe fitting connecting body, and the first stress structure and the second stress structure are sequentially and oppositely arranged in the circumferential direction of the pipe fitting connecting body; the opening mechanism comprises a first force application piece, a second force application piece, a lead screw and a guide piece, the first force application piece and the second force application piece are oppositely arranged, the lead screw perpendicularly penetrates through the first force application piece and the second force application piece, the lead screw is in threaded connection with the first force application piece and is rotationally connected with the second force application piece, and an axial limiting structure is arranged on the second force application piece; the guide piece is arranged on the second force application piece and located on the same side of the second force application piece with the lead screw, the guide piece is parallel to the lead screw, and the first force application piece is in sliding connection with the lead screw. And the two to-be-connected pipe fittings are connected, accurate butt joint can be achieved without a manual mode, and the pipe fitting connecting construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe connection, in particular to a pipe connection auxiliary device. Background Art

[0002] Pipeline installation is an important part of engineering construction. In the prior art, multiple workers need to cooperate with each other to achieve accurate docking during the pipe connection process, which not only consumes a lot of manpower, but also has poor convenience, thus reducing the efficiency of pipe connection construction.

[0003] Therefore, how to improve the efficiency of pipe connection construction is a technical problem that technical personnel in this field currently need to solve. Utility Model Content

[0004] In view of this, an object of the present invention is to provide a pipe connection auxiliary device to improve the efficiency of pipe connection construction.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pipe connection auxiliary device, comprising:

[0007] The pipe connection body is in an open annular shape, and a first force-bearing structure and a second force-bearing structure are arranged on the pipe connection body, and the first force-bearing structure and the second force-bearing structure are arranged sequentially and oppositely in the circumferential direction of the pipe connection body;

[0008] An opening mechanism, the opening mechanism includes a first force-applying member, a second force-applying member, a screw and a guide member, the first force-applying member and the second force-applying member are arranged opposite to each other, the screw vertically penetrates the first force-applying member and the second force-applying member, and the screw is threadedly connected to the first force-applying member, the screw is rotatably connected to the second force-applying member, the second force-applying member is provided with an axial limiting structure for axially limiting the screw, the guide member is arranged on the second force-applying member and is located on the same side of the second force-applying member as the screw, the guide member is arranged parallel to the screw, and the first force-applying member is slidably connected to the screw.

[0009] Optionally, in the above-mentioned pipe connection auxiliary device, the guide member includes a first guide rod and a second guide rod, and the first guide rod and the second guide rod are arranged in parallel on both sides of the screw rod.

[0010] Optionally, in the above-mentioned pipe connection auxiliary device, at least one of the first guide rod and the second guide rod is provided with a locking surface;

[0011] Among them, the plane where the locking surface is located is parallel to the moving direction of the first force-applying member, and a locking hole is provided on the first force-applying member, the axis of the locking hole and the locking surface meet the vertical condition, the locking member is installed in the locking hole, and the end of the locking member is in contact with the locking surface.

[0012] Optionally, in the above-mentioned pipe connection auxiliary device, a countersunk hole is provided on the side of the second force-applying member close to the screw rod, and the end of the screw rod extends radially to form a disc-shaped structure, and the disc-shaped structure is rotatably arranged in the countersunk hole, and the axial limiting structure includes a pressure cover, which is detachably arranged on the second force-applying member and seals the open end of the countersunk hole.

[0013] Optionally, in the above-mentioned pipe connection auxiliary device, one end of the first force-applying member close to the pipe connection body extends toward a side away from the second force-applying member to form a first force-applying portion of a convex structure, and one end of the second force-applying member close to the pipe connection body extends toward a side away from the first force-applying member to form a second force-applying portion of a convex structure;

[0014] Among them, the first force-applying part and the second force-applying part are respectively provided with a first limiting hole and a second limiting hole, the first limiting hole and the second limiting hole are respectively installed with a first positioning column and a second positioning column, the first force-bearing structure and the second force-bearing structure are respectively provided with a first limiting hole and a second limiting hole, the first positioning column and the first limiting hole are inserted and matched, and the second positioning column and the second limiting hole are inserted and matched.

[0015] Optionally, in the above-mentioned pipe connection auxiliary device, the first positioning column and the second positioning column are respectively the first bolt and the second bolt, and the end of the first bolt and the end of the second bolt are also provided with a first nut and a second nut, respectively, and the first nut and the second nut are respectively used to abut against the first force-bearing structure and the second force-bearing structure.

[0016] Optionally, in the above-mentioned pipe connection auxiliary device, the first force-applying member and the second force-applying member are respectively provided with a first telescopic structure and a second telescopic structure, the first telescopic structure is located between the first force-applying part and the screw rod, and the second telescopic structure is located between the second force-applying part and the screw rod.

[0017] Optionally, in the above-mentioned pipe connection auxiliary device, a handle is provided on a side of the second force applying member facing away from the first force applying member, and the handle includes a mounting portion and a gripping portion;

[0018] The mounting portion is connected to a side of the second force applying member facing away from the first force applying member, and the holding portion is vertically extended from an end of the mounting portion facing away from the pipe connecting body to a side facing away from the second force applying member.

[0019] Optionally, in the above-mentioned pipe connection auxiliary device, the outer wall of the pipe connection body protrudes outward along its circumference to form a protruding rib structure, and the first force-bearing structure and the second force-bearing structure are located on the protruding rib structure.

[0020] Optionally, in the above-mentioned pipe connection auxiliary device, in a plane perpendicular to the axial direction of the screw rod, the cross-sectional shape of the end of the screw rod is a regular hexagonal structure.

[0021] When using the pipe connection auxiliary device provided by the utility model to connect two pipes to be connected, the pipe connection body is placed in the middle of the two pipes to be connected, so that the axes of the two pipes to be connected and the pipe connection body tend to coincide, and the first pipe to be connected and the second pipe to be connected are respectively sleeved on the two opposite sides of the pipe connection body, and then the screw rod is rotated. Based on the threaded connection between the screw rod and the first force-applying member, the rotational connection between the screw rod and the second force-applying member, and the axial limiting effect of the axial limiting structure on the screw rod, when the screw rod is rotated, the screw rod will not move along its axial direction, and the first force-applying member is limited by the restriction of its rotational freedom by the guide member, and cannot rotate with the screw rod, and can only convert the rotational motion into linear motion, that is, the first force-applying member can slide back and forth along the guide member, and when the screw rod rotates along the first direction, the second force-applying member The distance between a force-applying member and a second force-applying member becomes smaller until the first force-applying member can abut against a side of the first force-bearing structure close to the second force-bearing structure. When the second force-applying member can abut against a side of the second force-bearing structure close to the first force-bearing structure, the screw rod is rotated along a second direction, and the second direction is opposite to the first direction, so that the distance between the first force-applying member and the second force-applying member becomes larger, so that the first force-applying member applies force to the first force-bearing structure, and the second force-applying member applies force to the second force-bearing structure. The first force-bearing structure and the second force-bearing structure move away from each other based on the force factor until the pipe connecting body tensions the two pipes to be connected. At this time, the connection of the two pipes to be connected does not require manual means to achieve precise docking, which not only reduces manpower consumption, but also improves convenience, thereby improving the efficiency of pipe connection construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of the structure of a pipe connection auxiliary device provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of an open structure provided by an embodiment of the utility model;

[0025] Figure 3 A schematic structural diagram of a second force applying member provided in an embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the cross-sectional structure of an opening mechanism provided by an embodiment of the utility model at the center plane of the screw rod;

[0027] Figure 5 The present invention is a schematic diagram of a cross-sectional structure of an opening mechanism provided by an embodiment of the present invention at the center plane of a locking member.

[0028] Among them, 100 is the pipe connecting body, 101 is the first force-bearing structure, 102 is the second force-bearing structure, 200 is the opening mechanism, 201 is the first force-applying member, 2011 is the first force-applying part, 2012 is the first positioning column, 202 is the second force-applying member, 2021 is the countersunk hole, 2022 is the second force-applying part, 2023 is the second positioning column, 203 is the screw rod, 204 is the guide member, 2041 is the first guide rod, 2042 is the second guide rod, 205 is the locking member, 206 is the pressure cover, and 207 is the handle. DETAILED DESCRIPTION

[0029] In view of this, the core of the utility model is to provide a pipe connection auxiliary device to improve the efficiency of pipe connection construction.

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figures 1 to 5 As shown, an embodiment of the utility model discloses a pipe connection auxiliary device, including a pipe connection body 100 and an opening mechanism 200 .

[0032] The pipe connection body 100 is in the shape of an open ring, and a first force-bearing structure 101 and a second force-bearing structure 102 are arranged on the pipe connection body 100. The first force-bearing structure 101 and the second force-bearing structure 102 are arranged in sequence and opposite to each other in the circumferential direction of the pipe connection body 100; the opening mechanism 200 includes a first force-applying member 201, a second force-applying member 202, a screw rod 203 and a guide member 204. The first force-applying member 201 and the second force-applying member 202 are arranged opposite to each other, and the screw rod 203 vertically penetrates the first force-applying member 201 and the second force-applying member 202. A force member 201 and a second force member 202, and a screw rod 203 is threadedly connected to the first force member 201, the screw rod 203 is rotationally connected to the second force member 202, and the second force member 202 is provided with an axial limiting structure for axially limiting the screw rod 203, the guide member 204 is arranged on the second force member 202 and is located on the same side of the second force member 202 as the screw rod 203, the guide member 204 is arranged parallel to the screw rod 203, and the first force member 201 is slidingly connected to the screw rod 203.

[0033] When using the pipe connection auxiliary device provided by the utility model to connect two pipes to be connected, the pipe connection body 100 is placed in the middle of the two pipes to be connected, so that the axes of the two pipes to be connected and the pipe connection body 100 tend to coincide, and the first pipe to be connected and the second pipe to be connected are respectively sleeved on the two opposite sides of the pipe connection body 100, and then the screw rod 203 is rotated. Based on the threaded connection between the screw rod 203 and the first force-applying member 201, the rotational connection between the screw rod 203 and the second force-applying member 202, and the axial limiting effect of the axial limiting structure on the screw rod 203, when the screw rod 203 is rotated, the screw rod 203 will not move along its axial direction, and the first force-applying member 201 is limited by the restriction of its rotational freedom by the guide member 204, and cannot rotate with the screw rod 203, and can only convert the rotational motion into linear motion, that is, the first force-applying member 201 can slide back and forth along the guide member 204, and when the screw rod 203 rotates along the first direction, the first force-applying member 201 can slide back and forth along the guide member 204. The distance between the force member 201 and the second force member 202 becomes smaller until the first force member 201 can abut against the side of the first force-bearing structure 101 close to the second force-bearing structure 102. When the second force member 202 can abut against the side of the second force-bearing structure 102 close to the first force-bearing structure 101, the screw rod 203 is rotated along the second direction, and the second direction is opposite to the first direction, so that the distance between the first force member 201 and the second force member 202 becomes larger, so that the first force member 201 applies force to the first force-bearing structure 101, and the second force member 202 applies force to the second force-bearing structure 102. The first force-bearing structure 101 and the second force-bearing structure 102 move away from each other based on the force factor until the pipe connecting body 100 tensions the two pipes to be connected. At this time, the connection of the two pipes to be connected does not require manual means to achieve precise docking, which not only reduces manpower consumption, but also improves convenience, thereby improving the efficiency of pipe connection construction.

[0034] In a specific embodiment of the utility model, the pipe connection auxiliary device is used to assist in welding two pipes to be welded. When the two pipes to be welded and the pipe connection body 100 are tightened to a straight line, the first pipe to be welded is welded to the first pipe section of the pipe connection body 100, and the second pipe to be welded is welded to the second pipe section of the pipe connection body 100. After the welding is completed, the distance between the first force member 201 and the second force member 202 is reduced by rotating the screw rod 203, the first force member 201 is disengaged from the first force-bearing structure 101, and the second force member 202 is disengaged from the second force-bearing structure 102. At this time, the opening mechanism 200 can be removed. The whole process has high construction efficiency and the opening mechanism 200 is easy to disassemble.

[0035] It should be noted that the present invention does not specifically limit the structural type and quantity of the above-mentioned guide member 204. As long as the structure can meet the guiding requirements, it belongs to the protection scope of the present invention.

[0036] Optionally, in a specific embodiment of the present invention, the guide member 204 includes a first guide rod 2041 and a second guide rod 2042, and the first guide rod 2041 and the second guide rod 2042 are arranged in parallel on both sides of the screw rod 203, and the transmission stability is improved by two symmetrically designed guide rods.

[0037] In addition, at least one of the first guide rod 2041 and the second guide rod 2042 is provided with a locking surface, the plane where the locking surface is located is parallel to the moving direction of the first force-applying member 201, and a locking hole is provided on the first force-applying member 201, the axis of the locking hole and the locking surface meet the vertical condition, and a locking member 205 is installed in the locking hole, and the end of the locking member 205 abuts against the locking surface, so that the locking surface is pressed by the locking member 205, and the first force-applying member 201 and the guide member 204 are locked and fixed, so that the first force-applying member 201 and the second force-applying member 202 are maintained at a preset opening distance, thereby ensuring the stability of the connection process of the two pipes to be connected.

[0038] The second force-applying member 202 provided by the utility model is provided with a countersunk hole 2021 on one side close to the screw rod 203, and the end of the screw rod 203 extends radially to form a disc-shaped structure, and the disc-shaped structure is rotatably arranged in the countersunk hole 2021. The axial limiting structure includes a pressure cover 206, and the pressure cover 206 is detachably arranged on the second force-applying member 202 and blocks the open end of the countersunk hole 2021, so as to achieve axial limiting of the screw rod 203 through the limiting action between the pressure cover 206 and the disc-shaped structure, thereby preventing the screw rod 203 from axial movement and affecting the docking accuracy of the two pipe fittings to be connected.

[0039] It should be understood that the above-mentioned disc-like structure can be a protruding structure integrally formed with the screw rod 203, or it can be a structure of the type of shaft sleeve or sleeve installed separately on the screw rod 203. As long as the structural type can meet the axial limiting function, it belongs to the protection scope of the present utility model; and, in order to reduce the friction between the disc-like structure and the countersunk hole 2021, the disc-like structure can also be set as a bearing or the bearing can be installed between the disc-like structure and the inner wall of the countersunk hole 2021, or the clearance between the disc-like structure and the inner wall of the countersunk hole 2021 can be matched to prevent the friction resistance from reducing the smoothness of the rotation of the screw rod 203.

[0040] Furthermore, one end of the first force member 201 close to the pipe connection body 100 extends toward the side away from the second force member 202 to form a first force-applying portion 2011 of a raised structure, and one end of the second force member 202 close to the pipe connection body 100 extends toward the side away from the first force member 201 to form a second force-applying portion 2022 of a raised structure, so as to increase the opening distance of the first force member 201 and the second force member 202 through the two force-applying portions of the raised structure, thereby broadening the application scope of the pipe connection auxiliary device.

[0041] In addition, the first force-applying part 2011 and the second force-applying part 2022 are respectively provided with a first limiting hole and a second limiting hole, in which a first positioning column 2012 and a second positioning column 2023 are respectively installed, and the first force-bearing structure 101 and the second force-bearing structure 102 are respectively provided with a first limiting hole and a second limiting hole, and the first positioning column 2012 and the first limiting hole are inserted and matched, and the second positioning column 2023 and the second limiting hole are inserted and matched, so as to realize radial positioning of the first force-applying part 2011 and the first force-bearing structure 101, as well as radial positioning of the second force-applying part 2022 and the second force-bearing part, so as to further ensure the stability of the opening mechanism 200 when performing the opening action.

[0042] In some specific embodiments of the utility model, the first positioning column 2012 and the second positioning column 2023 are respectively the first bolt and the second bolt, which are respectively threadedly connected to the first limiting hole and the second limiting hole, with a simple structure and easy installation; moreover, the end of the first bolt and the end of the second bolt are also provided with a first nut and a second nut, respectively, which are used to abut the first force-bearing structure 101 and the second force-bearing structure 102, respectively. By selecting the first nut and the second nut, the opening distance of the first force-applying member 201 and the second force-applying member 202 can be further increased, so that the opening and fixing of air ducts of various diameters can be realized, thereby broadening the scope of application and improving versatility.

[0043] It should be understood that the above-mentioned first force-bearing structure 101 and the second force-bearing structure 102 can be force-bearing blocks with limiting holes, or can be nuts directly welded on the pipe connection body 100. As long as the structural type can meet the use requirements, it belongs to the protection scope of the present utility model; optionally, the first force-bearing structure 101 and the second force-bearing structure 102 provided in the embodiment of the present utility model are respectively the third nut and the fourth nut welded on the pipe connection body 100, and the end faces of the third nut and the fourth nut form force-bearing surfaces that abut the first force-applying member 201 and the second force-applying member 202 respectively.

[0044] It should be noted that the diameter of the first bolt is smaller than the diameter of the third nut, and the diameter of the second bolt is smaller than the diameter of the fourth nut, so as to prevent the diameters of the first bolt and the second bolt from being too large, resulting in the first bolt being unable to be inserted and matched with the third nut, and the second bolt being unable to be inserted and matched with the fourth nut.

[0045] In some specific embodiments of the utility model, the first force-applying member 201 and the second force-applying member 202 are respectively provided with a first telescopic structure and a second telescopic structure, wherein the first telescopic structure is located between the first force-applying portion 2011 and the screw rod 203, and the second telescopic structure is located between the second force-applying portion 2022 and the screw rod 203, so that the operating space below the opening mechanism 200 can be adjusted through the telescopic structure to provide convenience for subsequent connection. For example, during welding, welding guns of different types and specifications can be used by adjusting the operating space below the opening mechanism 200 to improve convenience.

[0046] like Figure 1 and Figure 2 As shown, a handle 207 is provided on the side of the second force member 202 facing away from the first force member 201, and the handle 207 includes a mounting portion and a gripping portion; wherein the mounting portion is connected to the side of the second force member 202 facing away from the first force member 201, and the gripping portion is vertically extended from one end of the mounting portion facing away from the pipe connection body 100 to the side facing away from the second force member 202, so that the operator can grasp the opening mechanism 200 through the gripping portion.

[0047] The outer wall of the pipe connection body 100 provided by the utility model protrudes outward along its circumference to form a protruding rib structure. The first force-bearing structure 101 and the second force-bearing structure 102 are located on the protruding rib structure. On the one hand, it improves the overall sealing of the pipe after welding, and on the other hand, it provides an installation position for the first force-bearing structure 101 and the second force-bearing structure 102 and improves the strength of the pipe connection body 100.

[0048] In addition, in a plane perpendicular to the axial direction of the screw rod 203 , the cross-sectional shape of the end of the screw rod 203 is a regular hexagonal structure, so that the screw rod 203 can be rotated by using a tool, thereby improving the convenience of operation.

[0049] The terms "first" and "second" in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may include steps or units that are not listed.

[0050] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pipe connection auxiliary device, characterized in that: include: The pipe connection body is in an open annular shape, and a first force-bearing structure and a second force-bearing structure are arranged on the pipe connection body, and the first force-bearing structure and the second force-bearing structure are arranged sequentially and oppositely in the circumferential direction of the pipe connection body; An opening mechanism, the opening mechanism includes a first force-applying member, a second force-applying member, a screw and a guide member, the first force-applying member and the second force-applying member are arranged opposite to each other, the screw vertically penetrates the first force-applying member and the second force-applying member, and the screw is threadedly connected to the first force-applying member, the screw is rotatably connected to the second force-applying member, the second force-applying member is provided with an axial limiting structure for axially limiting the screw, the guide member is arranged on the second force-applying member and is located on the same side of the second force-applying member as the screw, the guide member is arranged parallel to the screw, and the first force-applying member is slidably connected to the screw.

2. The pipe connection auxiliary device according to claim 1, characterized in that: The guide member comprises a first guide rod and a second guide rod, and the first guide rod and the second guide rod are arranged in parallel on both sides of the screw rod.

3. The pipe connection auxiliary device according to claim 2, characterized in that: At least one of the first guide rod and the second guide rod is provided with a locking surface; Among them, the plane where the locking surface is located is parallel to the moving direction of the first force-applying member, and a locking hole is provided on the first force-applying member, the axis of the locking hole and the locking surface meet the vertical condition, the locking member is installed in the locking hole, and the end of the locking member is in contact with the locking surface.

4. The pipe connection auxiliary device according to claim 1, characterized in that: A countersunk hole is provided on one side of the second force-applying member close to the screw rod, and the end of the screw rod extends radially to form a disc-shaped structure, and the disc-shaped structure is rotatably arranged in the countersunk hole. The axial limiting structure includes a pressure cover, which is detachably arranged on the second force-applying member and blocks the open end of the countersunk hole.

5. The pipe connection auxiliary device according to claim 1, characterized in that: One end of the first force-applying member close to the pipe connection body extends toward a side away from the second force-applying member to form a first force-applying portion of a convex structure, and one end of the second force-applying member close to the pipe connection body extends toward a side away from the first force-applying member to form a second force-applying portion of a convex structure; Among them, the first force-applying part and the second force-applying part are respectively provided with a first limiting hole and a second limiting hole, the first limiting hole and the second limiting hole are respectively installed with a first positioning column and a second positioning column, the first force-bearing structure and the second force-bearing structure are respectively provided with a first limiting hole and a second limiting hole, the first positioning column and the first limiting hole are inserted and matched, and the second positioning column and the second limiting hole are inserted and matched.

6. The pipe connection auxiliary device according to claim 5, characterized in that: The first positioning column and the second positioning column are respectively the first bolt and the second bolt, and the ends of the first bolt and the second bolt are respectively provided with a first nut and a second nut, and the first nut and the second nut are respectively used to abut against the first force-bearing structure and the second force-bearing structure.

7. The pipe connection auxiliary device according to claim 5, characterized in that: The first force applying member and the second force applying member are respectively provided with a first telescopic structure and a second telescopic structure, wherein the first telescopic structure is located between the first force applying portion and the screw rod, and the second telescopic structure is located between the second force applying portion and the screw rod.

8. The pipe connection auxiliary device according to claim 1, characterized in that: A handle is provided on a side of the second force applying member facing away from the first force applying member, and the handle includes a mounting portion and a gripping portion; The mounting portion is connected to a side of the second force applying member facing away from the first force applying member, and the holding portion is vertically extended from an end of the mounting portion facing away from the pipe connecting body to a side facing away from the second force applying member.

9. The pipe connection auxiliary device according to claim 1, characterized in that: The outer wall of the pipe connection body protrudes outward along its circumference to form a protruding rib structure, and the first force-bearing structure and the second force-bearing structure are located on the protruding rib structure.

10. The pipe connection auxiliary device according to claim 1, characterized in that: In a plane perpendicular to the axial direction of the screw rod, the cross-sectional shape of the end of the screw rod is a regular hexagonal structure.

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