Pipeline orifice connecting structure

Abstract

The utility model belongs to a pipeline orifice connecting structure in the technical field of pipelines. Comprising a pipeline body (12), a check block (2) and a positioning bolt (4), one end of the pipeline body (12) is provided with a pipeline bell mouth (6), the other end of the pipeline body (12) is provided with a pipeline inserting opening (11), the pipeline bell mouth (6) is provided with a plurality of notches (13) along the circumference at intervals, an inserting opening check ring (3) is arranged on the outer circle of the pipeline inserting opening (11), the check block (2) is of an L-shaped structure, and a positioning screw hole (15) is formed in the check block (2). The pipeline orifice connecting structure is simple in structure, convenient and reliable in connection between the orifices of adjacent pipelines, convenient to disassemble and good in sealing performance, effectively eliminates the problem of interface slippage, and is suitable for being used in areas with serious foundation settlement, such as soft foundation areas or seismic zones, step-out areas and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipelines, and more specifically relates to a pipeline orifice connection structure. Background Art

[0002] In the field of pipeline applications, the interfaces of traditional ductile iron pipe jacking pipes and other pipe fittings are of the socket type. The plug buckle enters the socket by compressing the rubber ring installed in the socket, and the two sections of the pipe are sealed at the connection point through the rubber ring, which completes the installation of the two sections of the pipe. However, as ductile iron pipes and other pipe fittings are increasingly widely used in key water and gas transmission projects, there is also a market demand for self-anchored jacking pipes in the industry. Existing key products such as ductile iron jacking pipes do not have self-anchoring structural functions. Therefore, in soft foundation areas or areas with severe foundation settlement such as earthquake zones and empty areas, there is a risk of pipeline interfaces being detached or other interface failures.

[0003] In the prior art, there is a technology named "pipeline socket connection fixing structure" and the publication number is "CN102345772A", which relates to a pipe socket connection fixing structure, including a socket steel ring and a spigot steel ring, the socket steel ring is coaxially sleeved on the spigot steel ring, the spigot steel ring outer wall is radially coaxially provided with a sealing groove, a sealing rubber ring is installed between the sealing groove and the inner wall of the socket steel ring, and the spigot steel ring and the socket steel ring are respectively provided with corresponding spigot steel ring locking through holes and socket steel ring locking through holes, the spigot steel ring locking through holes and the corresponding socket steel ring locking through holes are fixed by locking bolts. The invention has simple structure, good sealing performance, convenient construction, and effectively improves the ability of the pipeline to resist uneven settlement and axial and lateral thrusts, and is a safe and reliable pipe socket connection fixing structure.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a pipeline orifice connection structure with a simple structure is provided, which can realize convenient and reliable connection and convenient disassembly between the pipe orifices of adjacent pipelines, has good sealing performance, and can effectively eliminate the problem of interface slippage, so as to meet the needs of use in areas with soft foundations or areas with severe foundation settlement such as earthquake zones and step-on areas.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is:

[0007] The utility model discloses a pipe orifice connection structure, comprising a pipe body, a stopper and a positioning bolt. A pipe socket is arranged at one end of the pipe body, a pipe spigot is arranged at the other end of the pipe body, a plurality of slots are arranged along a circle of the pipe socket according to gaps, a spigot stopper ring is arranged at the outer circle of the pipe spigot, the stopper is in an L-shaped structure, and a positioning screw hole is arranged on the stopper.

[0008] The stopper comprises a horizontal portion and a vertical portion, the horizontal portion and the vertical portion are in an L-shaped structure, and the horizontal portion and the vertical portion are an integrated structure.

[0009] The pipeline body is provided with a pipeline socket and one end thereof is provided with a push-up inner flange.

[0010] A sealing rubber ring is arranged between the pipe sockets and the pipe spigots of two adjacent pipe bodies.

[0011] The outer ring of the sealing rubber ring is provided with a positioning groove, and the inner ring of the pipe socket of the pipe body is provided with a positioning convex strip.

[0012] The inner wall of the pipeline body is provided with reinforcing ribs and a cement lining, and the outer ring of the pipeline body is provided with a cement outer protective sleeve.

[0013] A stopper groove is arranged at the lower part of the horizontal part of the stopper, and a socket convex strip is arranged at the bottom of the notch of the pipe socket of the pipe body.

[0014] When two adjacent pipe bodies are connected, the pipe socket of one pipe body is configured to be able to be inserted into the pipe socket of another pipe body.

[0015] When two adjacent pipe bodies are connected, the groove of each pipe socket is set to a structure that can clamp a block, and the vertical part of the block is set to a structure that can extend into the positioning ring groove formed by the top push inner flange and the socket stop ring.

[0016] A socket positioning screw hole is arranged at the pipe socket position of the notch of the pipe body, and a positioning bolt is arranged to be able to pass through the stopper positioning screw hole of the stopper and be screwed and connected to the socket positioning screw hole.

[0017] When two adjacent pipe bodies are connected, a wooden gasket is arranged between the push-up inner flange of one pipe body and the pipe end of the other pipe body.

[0018] The technical solution of the utility model is adopted, and the working principle and beneficial effects are as follows:

[0019] The pipe orifice connection structure described in the utility model is provided with a plurality of pipes, each of which includes a pipe body, a pipe socket is provided at one end of the pipe body, a pipe spigot is provided at the other end of the pipe body, a plurality of notches are provided along a circumference of the pipe socket at intervals, a spigot retaining ring is provided at the outer ring of the pipe spigot, and also includes a stopper and a positioning bolt, the stopper is an L-shaped structure, and a positioning screw hole is provided on the stopper. When adjacent pipes need to be connected, the pipe spigot of one pipe body is inserted into the pipe socket of another pipe body, and in order to realize reliable connection of the interface part, a plurality of notches are provided along a circumference of the pipe spigot at intervals, and a stopper is provided at the same time. After the pipe spigot and the pipe socket are plugged into the bottom, the block is put into the corresponding notch (groove) on the pipe socket one by one. After the block fits the bottom surface of the pipe socket at the notch position, the block is clamped in the position of the spigot retaining ring, and then the positioning bolt passes through the positioning screw hole on the block and is screwed and connected with the socket positioning screw hole on the pipe socket, so as to reliably position the two pipe bodies and avoid the risk of the pipe connection interface being disengaged or the interface failing. In this way, the structure of the utility model can be reliably used in soft foundation areas or areas with severe foundation settlement such as earthquake zones and stepping-on areas. When the adjacent pipes need to be disassembled, it is convenient to disassemble them by simply loosening the positioning bolts connected to the block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following is a brief description of the contents and symbols in the drawings of this specification:

[0021] Figure 1 It is a structural schematic diagram of the pipeline orifice connection structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the pipeline orifice connection structure of the utility model;

[0023] Figure 3 This is a structural schematic diagram of a stopper of the pipe orifice connection structure of the utility model;

[0024] Figure 4 This is a structural schematic diagram of the pipe orifice connection structure of the utility model when connected;

[0025] Figure 5 It is a partially enlarged structural schematic diagram of the pipe orifice connection structure of the utility model when connected;

[0026] Markings in the attached drawing are: 1. wooden gasket, 2. stopper, 3. socket retaining ring, 4. positioning bolt, 5. sealing rubber ring, 6. pipe socket, 7. outer cement protective sleeve, 8. cement lining, 9. reinforcing ribs, 10. push inner flange, 11. pipe socket, 12. pipe body, 13. notch, 14. horizontal part, 15. stopper positioning screw hole, 16. vertical part, 17. positioning groove, 18. positioning convex strip, 19. positioning ring groove, 20. socket positioning screw hole; 21. stopper groove; 22. socket convex strip. DETAILED DESCRIPTION

[0027] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connection relationships of the components involved, the functions and working principles of the components, etc., by referring to the accompanying drawings:

[0028] As attached Figure 1 -Attached Figure 5As shown, the utility model is a pipe orifice connection structure, including a pipe body 12, a stopper 2, and a positioning bolt 4. A pipe socket 6 is arranged at one end of the pipe body 12, and a pipe socket 11 is arranged at the other end of the pipe body 12. A plurality of notches 13 are arranged along a circle according to the gaps of the pipe socket 6. A socket retaining ring 3 is arranged on the outer circle of the pipe socket 11. The stopper 2 is an L-shaped structure, and a positioning screw hole 15 is arranged on the stopper 2. The above structure proposes an improved technical solution to the deficiencies in the prior art. When the structure is set, multiple pipes are arranged, each pipe includes a pipe body 12, a pipe socket 6 is arranged at one end of the pipe body 12, and a pipe socket 11 is arranged at the other end of the pipe body 12. A plurality of notches 13 are arranged along a circle according to the gaps of the pipe socket 6. A socket retaining ring 3 is arranged on the outer circle of the pipe socket 11. The stopper 2 and the positioning bolt 4 are also included. The stopper 2 is an L-shaped structure, and a positioning screw hole 15 is arranged on the stopper 2. When adjacent pipelines need to be connected, the pipeline socket 11 of one pipeline body 12 is inserted into the pipeline socket 6 of another pipeline body 12, and in order to achieve reliable connection of the interface part, the pipeline socket 6 is provided with multiple notches 13 along a circle according to the gap, and a stopper 2 is provided at the same time. When the pipeline socket 11 and the pipeline socket 6 are inserted to the bottom, the stopper (self-anchoring flange type stopper) is put into the corresponding notch (groove) on the pipeline socket 6 one by one, and after the stopper 2 is attached to the bottom surface of the pipeline socket 6 at the position of the notch 13, the stopper 2 is clamped at the position of the socket stopper ring 3, and then the positioning bolt 4 passes through the positioning screw hole 15 on the stopper 2, and is screwed and connected with the socket positioning screw hole on the pipeline socket, so that the two pipeline bodies 12 can be reliably positioned, and the risk of the pipeline connection interface being disengaged or the interface failing can be avoided. In this way, the structure of the utility model can be reliably used in soft foundation areas or areas with serious foundation settlement such as earthquake zones and stepping-on areas. When the adjacent pipelines need to be disassembled, it is convenient to disassemble them by simply loosening the positioning bolts connected to the stopper. The pipe orifice connection structure described in the utility model has a simple structure, can realize convenient and reliable connection between the pipe orifices of adjacent pipes, convenient disassembly, good sealing, and effectively eliminates the problem of interface slippage, and can meet the needs of use in areas with severe foundation settlement such as soft foundation areas or earthquake zones and empty areas.

[0029] The stopper 2 comprises a horizontal portion 14 and a vertical portion 16, which are L-shaped structures and are integrated structures. In the above structure, the notch is arranged on the pipe socket 6, which is a concave groove structure, and the notch 13 does not completely penetrate the pipe socket. The notch portion of the concave pipe socket needs to be provided with a socket convex strip to fit with the block groove on the stopper, so as to effectively improve the positioning reliability when the pipe is connected.

[0030] The pipe body 12 is provided with a pipe socket 11 and one end thereof is provided with a push inner flange 10. With the above structure, when adjacent pipes are connected, after the pipe socket 11 is inserted into the corresponding pipe socket 6, it is necessary to directly insert it until the pipe socket 6 and the push inner / outer flange 10 are tightly fitted. The sealing rubber ring 5 is squeezed between the pipe socket 6 and the pipe socket 11 to achieve a sealing effect between the pipes.

[0031] A sealing rubber ring 5 is provided between the pipe socket 6 and the pipe plug 11 of two adjacent pipe bodies 12. In the above structure, before the adjacent pipes are connected, the sealing rubber ring 5 is first installed in the pipe socket 6 of one pipe body 12, and then the wooden gasket 1 is bonded to the push inner / outer flange 10 of the other pipe body, and then the two pipe bodies are inserted, and the sealing rubber ring is located between the pipe socket of one pipe body and the pipe plug of the other pipe body to achieve sealing.

[0032] The outer ring of the sealing rubber ring 5 is provided with a positioning groove 17, and the inner ring of the pipe socket 6 of the pipe body 12 is provided with a positioning convex strip 18. The above structure realizes reliable positioning of the sealing rubber ring 5 and the inner ring of the pipe socket 6 through the cooperation of the positioning groove and the positioning convex strip to avoid movement.

[0033] The inner wall of the pipe body 12 is provided with reinforcing ribs 9 and cement lining 8, and the outer ring of the pipe body 12 is provided with cement outer protective sleeve 7. In the above structure, the reinforcing ribs serve to increase the strength of the pipe body, and the cement lining 8 and cement outer protective sleeve 7 are used to reliably protect the pipe body 12.

[0034] The stopper groove 21 is provided at the lower part of the horizontal part 14 of the stopper 2, and the bottom of the notch 13 of the pipe socket 6 of the pipe body 12 is provided with a socket convex strip 22. With the above structure, after the two pipe bodies are plug-connected and the stopper is installed in the notch, the socket convex strip 22 at each notch position is clamped with the stopper groove 21 of the corresponding stopper to achieve axial limiting and ensure reliable positioning.

[0035] When two adjacent pipe bodies 12 are connected, the pipe socket 11 of one pipe body 12 is configured to be inserted into the pipe socket 6 of another pipe body 12. When two adjacent pipe bodies 12 are connected, the notch 13 of each pipe socket 6 is configured to be able to clamp a stopper 2, and the vertical portion 16 of the stopper 2 is configured to be able to extend into the positioning ring groove 19 formed by the top-pushing inner flange 10 and the plug-in retaining ring 3. In the above structure, the stopper is connected by a positioning screw, and after the stopper is fixed, the vertical portion 16 of the stopper extends into the positioning ring groove 19 formed by the top-pushing inner flange 10 and the plug-in retaining ring 3 to achieve clamping and limiting.

[0036] The pipe socket 6 of the notch 13 of the pipe body 12 is provided with a socket positioning screw hole 20, and the positioning bolt 4 is provided to be able to pass through the stopper positioning screw hole 15 of the stopper 2 and be screwed and connected to the socket positioning screw hole 20. In the above structure, the positioning bolt is used to connect the stopper, so that the stopper clamped in the notch is fixedly connected to the pipe socket 6 at the bottom of the notch 13 at the same time.

[0037] When two adjacent pipe bodies 12 are connected, a wooden gasket 1 is arranged between the top-pushing inner flange 10 of one pipe body 12 and the pipe end of the other pipe body 12. In the above structure, the wooden gasket is located between the top-pushing inner flange 10 of one pipe body 12 and the pipe end of the other pipe body 12, and is used to eliminate the gap between the two to avoid movement.

[0038] The pipe orifice connection structure described in the utility model is provided with multiple pipes when the structure is set, each pipe includes a pipe body 12, a pipe socket 6 is provided at one end of the pipe body 12, a pipe socket 11 is provided at the other end of the pipe body 12, a plurality of notches 13 are provided along a circle of the pipe socket 6 at intervals, a socket retaining ring 3 is provided on the outer ring of the pipe socket 11, and also includes a stopper 2 and a positioning bolt 4, the stopper 2 is an L-shaped structure, and a positioning screw hole 15 is provided on the stopper 2. When adjacent pipes need to be connected, the pipe socket 11 of one pipe body 12 is inserted into the pipe socket 6 of another pipe body 12, and in order to achieve reliable connection of the interface part, a plurality of notches 13 are provided along a circle of the pipe socket 6 at intervals, and a stopper 2 is provided at the same time. After the pipe socket 11 and the pipe socket 6 are plugged into the bottom, the block (self-anchored flange block) is put into the corresponding notch (groove) on the pipe socket 6 one by one. After the block 2 is attached to the bottom surface of the pipe socket 6 at the notch 13, the block 2 is clamped in the position of the socket retaining ring 3, axially positioned, and then the positioning bolt 4 passes through the positioning screw hole 15 on the block 2 and is screwed and connected with the socket positioning screw hole on the pipe socket, so as to reliably position the two pipe bodies 12 and avoid the risk of the pipe connection interface being disengaged or the interface failing. In this way, the structure of the utility model can be reliably used in soft foundation areas or areas with severe foundation settlement such as earthquake zones and stepping-on areas. When the adjacent pipes need to be disassembled, it is only necessary to loosen the positioning bolts connected to the block to facilitate disassembly.

[0039] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A pipe orifice connection structure, characterized in that: The invention comprises a pipe body (12), a stopper (2), and a positioning bolt (4); a pipe socket (6) is arranged at one end of the pipe body (12), a pipe insert (11) is arranged at the other end of the pipe body (12), a plurality of notches (13) are arranged at intervals along a circumference of the pipe socket (6), a insert retaining ring (3) is arranged on the outer ring of the pipe insert (11), the stopper (2) is in an L-shaped structure, and a positioning screw hole (15) is arranged on the stopper (2).

2. The pipe orifice connection structure according to claim 1, characterized in that: The stopper (2) comprises a horizontal portion (14) and a vertical portion (16), the horizontal portion (14) and the vertical portion (16) are in an L-shaped structure, and the horizontal portion (14) and the vertical portion (16) are in an integrated structure.

3. The pipe orifice connection structure according to claim 1 or 2, characterized in that: The pipeline body (12) is provided with a pipeline socket (11) and one end thereof is provided with a push-up inner flange (10).

4. The pipe orifice connection structure according to claim 1 or 2, characterized in that: A sealing rubber ring (5) is provided between the pipe sockets (6) and the pipe insertion openings (11) of two adjacent pipe bodies (12).

5. The pipe orifice connection structure according to claim 4, characterized in that: The outer ring of the sealing rubber ring (5) is provided with a positioning groove (17), and the inner ring of the pipe socket (6) of the pipe body (12) is provided with a positioning convex strip (18).

6. The pipe orifice connection structure according to claim 1 or 2, characterized in that: The inner wall of the pipeline body (12) is provided with reinforcing ribs (9) and a cement lining (8), and the outer ring of the pipeline body (12) is provided with a cement outer protective sleeve (7).

7. The pipe orifice connection structure according to claim 2, characterized in that: A stopper groove (21) is provided at the lower part of the horizontal part (14) of the stopper (2), and a socket convex strip (22) is provided at the bottom of the notch (13) of the pipe socket (6) of the pipe body (12).

8. The pipe orifice connection structure according to claim 1 or 2, characterized in that: When two adjacent pipe bodies (12) are connected, the pipe socket (11) of one pipe body (12) is configured as a structure capable of being inserted into the pipe socket (6) of another pipe body (12).

9. The pipe orifice connection structure according to claim 8, characterized in that: When two adjacent pipe bodies (12) are connected, the groove (13) of each pipe socket (6) is provided with a structure capable of clamping a stopper (2), and the vertical portion (16) of the stopper (2) is provided with a structure capable of extending into a positioning ring groove (19) formed by the thrust inner flange (10) and the spigot stopper ring (3).

10. The pipe orifice connection structure according to claim 8, characterized in that: When two adjacent pipe bodies (12) are connected, a wooden gasket (1) is arranged between the push-up inner flange (10) of one pipe body (12) and the pipe end of the other pipe body (12).

Images