Pipeline connecting device capable of being automatically repaired and assembled and water pipe

Abstract

The utility model discloses a pipeline connecting device and water pipe of self repair assembly, pipeline connecting device includes connecting structure, fastening structure and locking structure, connecting structure includes pipeline connecting piece, locking connecting piece and butt joint piece, the fastening structure is made of deformation material, the fastening structure is provided with fastening channel and breach, and the butt joint piece is provided with the locking connecting piece and the butt joint piece. The fastening structure can deform and expand the crack under the force applied by an operator, and the locking structure can be arranged outside the fastening structure in a sleeving mode while being connected with the locking connecting piece and ejects the deformation and contraction crack of the fastening structure to the pipeline structure to be in interference fit between the pipeline connecting piece and the fastening structure. According to the pipeline connecting device, a user can assemble the pipeline connecting device on a pipeline structure by himself / herself, operation is easy and convenient, use is convenient, the pipeline connecting device can serve as an independent structure to be connected with the pipeline structure with the damaged part cut off, secondary utilization of resources of the broken pipeline structure or the damaged pipeline structure is achieved, and the pipeline connecting device is more environmentally friendly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pipe joint especially relates to a pipeline connecting device and water pipe of autonomous repair assembly. BACKGROUND

[0002] Pipeline connecting device is the connecting device commonly used in pipeline products such as water pipe, gas pipe, etc., the existing pipeline connecting device, such as a piece of invention patent (announcement number: CN106662278B) with the joint hose, its pipeline connecting device includes the connecting mouth of the inside of the one end of the pipeline structure, and the sleeve pipe of the pressure joint outside the pipeline structure and the connecting mouth, the joint hose is generally fixed together the integral structure of the sleeve pipe and the pipeline structure and the connecting mouth by the buckle pressure processing equipment in the factory, the user cannot assemble itself, therefore when the pipeline structure appears partial fracture or damage, only the whole joint hose is discarded and repurchased, not only increases the user cost, but also causes the resource waste. SUMMARY

[0003] The utility model provides a pipeline connecting device and water pipe of autonomous repair assembly in the prior art's deficiency, solveed the technical problem that the existing pipeline connecting device cannot assemble itself.

[0004] The technical scheme adopted by the utility model is:

[0005] A pipeline connecting device of autonomous repair assembly, including connecting structure, fastening structure and locking structure, connecting structure includes pipeline connecting piece, locking connecting piece connected with pipeline connecting piece and butt joint piece connected with the end of locking connecting piece away from pipeline connecting piece, the connecting structure is provided with the flow channel for communicating pipeline structure on the through pipeline connecting piece, locking connecting piece and butt joint piece, fastening structure is made of deformation material, the fastening structure is provided with fastening channel along its axial direction, the side of fastening structure is provided with the crack of communicating fastening channel, the crack penetrates the both ends of fastening structure, the fastening structure can be deformed and expand the crack under the force of operator to allow pipeline connecting piece and the pipeline structure of sleeveing in the fastening channel through the crack of sleeveing in the pipeline connecting piece outside, locking structure is detachably connected with locking connecting piece, can be sleeveed outside fastening structure while being connected with locking connecting piece, and the deformation of fastening structure is contracted to the pipeline structure interference fit between pipeline connecting piece and fastening structure by pressing fastening structure.

[0006] Preferably, the fastening structure and the locking structure are detachably sleeved through the taper surface matching structure, and the width of the taper surface matching structure gradually increases from the end away from the butt joint piece to the end close to the butt joint piece, when the locking structure is connected with the locking connecting piece, the locking structure can contract the crack of the fastening structure by pressing the fastening structure through the taper surface matching structure.

[0007] Preferably, the taper surface matching structure comprises a first taper surface arranged along the inner circumferential surface of the locking structure, and the diameter of the first taper surface gradually increases from the end far away from the abutment member to the end close to the abutment member, and when the locking structure is connected with the locking connector, the first taper surface can press the outer circumferential surface of the fastening structure to deform the fastening structure and shrink the gap.

[0008] Preferably, the taper surface matching structure further comprises a second taper surface arranged along the outer circumferential surface of the fastening structure, and the diameter of the second taper surface gradually increases from the end far away from the abutment member to the end close to the abutment member, and when the locking structure is connected with the locking connector, the first taper surface can press the second taper surface to deform the fastening structure and shrink the gap.

[0009] Preferably, the locking structure is provided as a conical sheet structure with a gap on one side, and the outer diameter and the inner diameter of the conical sheet structure gradually increase from the end far away from the abutment member to the end close to the abutment member, the second taper surface is formed by the outer wall of the conical sheet structure, the inner wall of the conical sheet structure forms a third taper surface, the outer circumferential surface of the pipeline connector is provided with a fourth taper surface matched with the third taper surface, and when the locking structure is connected with the locking connector, the pipeline structure is interference fitted between the fourth taper surface and the third taper surface.

[0010] Preferably, the pipeline connector comprises a connecting base, a connecting part extending from the connecting base in the direction away from the abutment member along the axial direction thereof, and a limiting part connected with the end of the connecting part away from the abutment member, the locking connector is formed by extending from the connecting base in the direction close to the abutment member along the axial direction thereof, the connecting base protrudes from the circumferential side of the connecting part to form a first limiting surface around the connecting part, the limiting part protrudes from the circumferential side of the connecting part to form a second limiting surface around the connecting part, the pipeline structure is sleeved outside the connecting part and the limiting part, and the fastening structure is sleeved outside the pipeline structure and is limited between the first limiting surface and the second limiting surface.

[0011] Preferably, the locking structure is provided with a first thread structure arranged on the side of the taper surface matching structure close to the abutment member, the locking connector is provided with a second thread structure matched with the first thread structure, and the locking structure and the locking connector are detachably connected through the thread connection between the first thread structure and the second thread structure.

[0012] Preferably, the fastening structure is made of polyformaldehyde material.

[0013] The utility model also provides a kind of water pipe, including pipeline structure, the first connecting head for the butt joint external water inlet structure, the second connecting head for the butt joint external water outlet structure, first connecting head is set to above-mentioned pipeline connecting device, and can be detachably connected in one end of the pipeline structure, wherein the butt joint piece of the first connecting head is set to first butt joint part;Second connecting head is set to above-mentioned pipeline connecting device, and can be detachably connected in the other end of the pipeline structure, wherein the butt joint piece of the second connecting head is set to the second butt joint part matched with first butt joint part;The first butt joint part can be butt joint with second butt joint part, to communicate two adjacent pipeline structures.

[0014] Preferably, the first butt joint part is provided with an internal thread structure for butt joint with the external water inlet structure, the second butt joint part is provided with an external thread structure for butt joint with the external water outlet structure, and the first connecting head and the second connecting head can be butt joint by the internal thread structure and the external thread structure.

[0015] The utility model achieves the beneficial effects that:

[0016] The pipeline connecting device provided by the utility model can be detachably connected between the pipeline connecting device and the pipeline structure by setting the pipeline structure outside the pipeline connecting piece, expanding the crack of the fastening structure by pulling, setting the pipeline connecting piece and the pipeline structure outside the pipeline connecting piece through the crack into the fastening channel of the fastening structure, connecting the locking structure on the locking connecting piece, deforming and shrinking the crack of the fastening structure under the pressure of the locking structure, and making the pipeline structure in interference fit between the pipeline connecting piece and the fastening structure, so that the user can assemble the pipeline connecting device on the pipeline structure, the operation is simple and convenient, the use is facilitated, the pipeline connecting device can be connected to the pipeline structure after the damaged part is cut off as an independent structure, a normal use hose with connector is formed, the hose with connector is repaired after damage, the whole hose with connector does not need to be purchased, the cost of the user is greatly saved, the broken pipeline structure or damaged pipeline structure is recycled, and the environment is more friendly.

[0017] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings explained herein are used to provide further understanding of the utility model, constitute a part of the present application, and the illustrative embodiments of the utility model and the explanation thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0019] Figure 1The utility model discloses a sectional view structural schematic drawing of pipeline connecting device of an embodiment.

[0020] Figure 2 The utility model discloses an exploded structural schematic drawing of pipeline connecting device of an embodiment.

[0021] Figure 3 The utility model discloses a structural schematic drawing of water pipe of an embodiment.

[0022] Figure 4 The utility model discloses an exploded structural schematic drawing of water pipe of an embodiment.

[0023] Reference Signs: Connecting structure 1, flow guide channel 10, pipeline connecting piece 11, connecting part 111, fourth conical surface 1110, limiting portion 112, second limiting surface 1120, connecting base 113, first limiting surface 1130, locking connecting piece 12, second screw structure 121, butt joint piece 13, fastening structure 2, fastening channel 21, split 22, second conical surface 23, third conical surface 24, locking structure 3, first conical surface 31, fifth conical surface 32, first screw structure 33, protective surface 34, pipeline structure 4, first connecting head 5, first butt joint part 51, limiting groove 52, second connecting head 6, second butt joint part 61, flexible sealing ring 7, annular sealing part 71, clamping part 72. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will combine the drawings of the utility model embodiment, and the technical scheme of the utility model embodiment is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0025] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0026] In the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0027] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact, but contact through the additional feature between them. Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the first feature horizontal height is higher than the second feature. The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the first feature horizontal height is less than the second feature.

[0028] Unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meaning of the person skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but only distinguish different components. Similarly, "one" or "a" and similar words do not represent quantity limitation, but represent the existence of at least one.

[0029] As Figure 1 , Figure 2As shown, as an embodiment of the utility model provides a kind of from autonomous repair assembled pipeline connecting device, including connecting structure 1, fastening structure 2 and locking structure 3.Connection structure 1 includes pipeline connecting piece 11, locking connecting piece 12 connected with pipeline connecting piece 11, and the butt joint 13 connected with the end of locking connecting piece 12 away from pipeline connecting piece 11, and the flow guide channel 10 for connecting pipeline structure 4 is provided on connecting structure 1, and it is used to pass through pipeline connecting piece 11, locking connecting piece 12 and butt joint 13.Fastening structure 2 is made of deformation material, and fastening channel 21 is arranged along the axial direction of fastening structure 2, and the side of fastening structure 2 is provided with crack 22 connected with fastening channel, and crack 22 passes through both ends of fastening structure 2, that is, one end of crack 22 passes through one end of fastening structure 2 close to butt joint 13, and the other end of crack 22 passes through the other end of fastening structure 2 away from butt joint 13, so that fastening structure 2 can form long strip structure by expanding crack by deformation.Fastening structure 2 can deform and expand crack 22 under the force of operator, to allow pipeline connecting piece 11 and pipeline structure 4 sleeved outside pipeline connecting piece 11 to be sleeved in fastening channel 21 through crack 22.Locking structure 3 is detachably connected with locking connecting piece 12, can be sleeved outside fastening structure 2 while being connected with locking connecting piece 12, and the deformation of fastening structure 2 is contracted crack 22 to pipeline structure 4 interference fit between pipeline connecting piece 11 and fastening structure 2 by pressing, to prevent pipeline structure 4 from falling off relative to pipeline connecting device.The pipeline connecting device of the embodiment, the operator can sleeve pipeline structure 4 outside pipeline connecting piece 11, expand crack 22 by pulling fastening structure 2, sleeve pipeline connecting piece 11 and pipeline structure 4 sleeved outside pipeline connecting piece 11 in fastening channel 21 of fastening structure 2 through crack 22, connect locking structure 3 on locking connecting piece 12, so that fastening structure 2 is contracted crack 22 by pressing under locking structure 3, and pipeline structure 4 interference fit between pipeline connecting piece 11 and fastening structure 2, to realize the detachable connection between the pipeline connecting device and pipeline structure 4, so that user can assemble pipeline connecting device on pipeline structure 4, and it is simple and convenient to operate, convenient to use, and the pipeline connecting device can be connected with pipeline structure 4 after cutting damaged part as independent structure, to form the hose with connector that can be normally used, realize the autonomous repair after hose with connector is damaged, without buying the whole hose with connector again, greatly save the cost of user, and realize the secondary use of broken pipeline structure or damaged pipeline structure, more environmentally friendly.

[0030] As Figure 1As shown, in some embodiments, the fastening structure 2 and the locking structure 3 are detachably sleeved through the taper surface matching structure, and the width of the taper surface matching structure gradually increases from the end far away from the abutting piece 13 to the end close to the abutting piece 13. When the locking structure 3 is connected with the locking connecting piece 12, the locking structure 3 can press and deform the fastening structure 2 to shrink the gap 22 through the taper surface matching structure. The taper surface matching structure makes the pressing force applied to the fastening structure 2 gradually increase during the movement of the locking structure 3 in the direction of the abutting piece 13 to be connected with the locking connecting piece 12, thereby facilitating the pipeline structure 4 to be more tightly fitted between the pipeline connecting piece 11 and the fastening structure 2, and easily adapting to pipeline structures 4 of different thicknesses, and having a wider application range.

[0031] In some embodiments, the taper surface matching structure includes a first conical surface 31 arranged along the inner circumferential surface of the locking structure 3, and the diameter of the first conical surface 31 gradually increases from the end far away from the abutting piece 13 to the end close to the abutting piece 13. When the locking structure 3 is connected with the locking connecting piece 12, the outer circumferential surface of the fastening structure 2 can be pressed by the first conical surface 31 to deform and shrink the gap 22. During the movement of the locking structure 3 in the direction of the abutting piece 13 to be connected with the locking connecting piece 12, since the diameter of the first conical surface 31 gradually decreases relative to the outer circumferential surface of the fastening structure 2, the first conical surface 31 moves relative to the outer circumferential surface of the fastening structure 2 in the direction close to the abutting piece 13, and the pressing force on the fastening structure 2 becomes larger and larger. As another embodiment of the present application, the first conical surface can also be arranged along the outer circumferential surface of the fastening structure 2. When the locking structure 3 is connected with the locking connecting piece 12, the first conical surface can be pressed by the inner circumferential surface of the locking structure 3 to deform and shrink the gap 22 of the fastening structure 2. During the movement of the locking structure 3 in the direction of the abutting piece 13 to be connected with the locking connecting piece 12, since the diameter of the first conical surface gradually increases relative to the inner circumferential surface of the locking structure 3, the inner circumferential surface of the locking structure 3 moves relative to the first conical surface in the direction close to the abutting piece 13, and the pressing force on the fastening structure 2 also becomes larger and larger.

[0032] In some embodiments, the conical surface matching structure further comprises a second conical surface 23 arranged along the outer circumferential surface of the fastening structure 2, and the diameter of the second conical surface 23 gradually increases from the end far away from the abutment piece 13 to the end close to the abutment piece 13. When the locking structure 3 is connected with the locking connecting piece 12, the first conical surface 31 can press the second conical surface 23 to press and deform the fastening structure 2 to shrink the gap 22. In this embodiment, the first conical surface 31 and the second conical surface 23 are arranged at the same time, so that the first conical surface 31 can move along the second conical surface 23 and support the second conical surface 23 during the movement of the locking structure 3 in the direction of the abutment piece 13 to connect with the locking connecting piece 12, and the pressing force on the fastening structure 2 is more dispersed and uniform, thereby preventing the pipe structure 4 from being broken. The first conical surface 31 is further connected with a fifth conical surface 32 arranged along the inner circumferential surface of the locking structure 3, the diameter of the fifth conical surface 32 gradually increases from the end close to the first conical surface 31 to the end far away from the first conical surface 31, and the taper of the fifth conical surface 32 is greater than the taper of the first conical surface 31, which is used to guide the second conical surface 23 to extend into the inside of the first conical surface 31.

[0033] As shown in Figure 2 In some embodiments, the locking structure 3 is arranged as a conical sheet structure with a gap 22 on one side, which is simple in structure and convenient for production. The outer diameter and the inner diameter of the conical sheet structure gradually increase from the end far away from the abutment piece 13 to the end close to the abutment piece 13, the second conical surface 23 is formed by the outer wall of the conical sheet structure, the inner wall of the conical sheet structure forms a third conical surface 24, and the outer circumferential surface of the pipe connecting piece 11 is provided with a fourth conical surface 1110 matched with the third conical surface 24. When the locking structure 3 is connected with the locking connecting piece 11, the pipe structure 4 is interference-fitted between the fourth conical surface 1110 and the third conical surface 24, the pressing force on the pipe structure 4 is more uniform, the taper of the fourth conical surface 1110 and the taper of the third conical surface 24 are arranged to be the same or substantially the same, thereby matching the shape of the fastening structure 2, and the pressing force on the pipe structure 4 is more uniform, and the pipe structure 4 is not easy to be squeezed.

[0034] As shown in Figure 1As shown, in some embodiments, the pipe connecting piece 11 comprises a connecting base 113, a connecting portion 111 extending from the connecting base 113 in the axial direction away from the docking piece 13, and a limiting portion 112 connected to the end of the connecting portion 111 away from the docking piece 13. The fourth conical surface 1110 is formed by the outer wall of the connecting portion 111. The locking connecting piece 12 extends from the connecting base 113 in the axial direction towards the docking piece 13, and the connecting base 113 protrudes from the periphery of the connecting portion 111 to form a first limiting surface 1130 around the connecting portion 111, and the limiting portion 113 protrudes from the periphery of the connecting portion 111 to form a second limiting surface 1120 around the connecting portion 111. The pipe structure 4 is sleeved on the connecting portion 111 and the limiting portion 112, and the fastening structure 2 is sleeved on the outside of the pipe structure 4 and is limited between the first limiting surface 1130 and the second limiting surface 1120, so that the fastening structure 2 can be limited in axial movement by the first limiting surface 1130 and the second limiting surface 1120, preventing the fastening structure 2 from moving too much with the locking structure 3 towards the docking piece 13, or falling off the pipe connecting piece 11 with the pipe structure 4 when the pipe structure 4 is subjected to a pulling force away from the docking piece 13, thereby improving the stability of the pipe connecting device connected to the pipe structure 4. In addition, the width of the split 22 is smaller than the outer diameter of the pipe connecting piece 11, so that the fastening structure 2 can be limited in radial movement by the pipe connecting piece 11, further improving the stability of the pipe connecting device connected to the pipe structure 4.

[0035] In some embodiments, the locking structure 3 is provided with a first threaded structure 33 arranged on the side of the conical surface matching structure close to the docking piece 13, and the locking connecting piece 12 is provided with a second threaded structure 121 matched with the first threaded structure 33, and the locking structure 3 and the locking connecting piece 12 are detachably connected through the threaded connection of the first threaded structure 33 and the second threaded structure 121. During the threaded connection process, the locking structure 3 can be gradually moved towards the docking piece 13 relative to the fastening structure 2, so that the pressing force of the locking structure 3 on the fastening structure 2 gradually increases, and the fastening structure can gradually deform and shrink the split 22 under the pressing of the locking structure 3, thereby gradually stably interference-fitting the pipe structure 4 between the pipe connecting piece 11 and the fastening structure 2, and adjusting the pre-tightening force of the pipe structure 4 assembly by tightening or loosening the locking structure 3, adapting to pipe structures 4 of various thicknesses. The locking structure 3 is formed with a handle portion, which is convenient for the operator to hold. The first conical surface 31 is also provided with a protective surface 34 arranged along the inner circumferential surface of the locking structure 3 on the side away from the docking piece 13, and part of the pipe structure 4 is located inside the protective surface 34, so that the end of the pipe structure 4 can be protected and is not easy to break, thereby prolonging the service life of the pipe structure 4. Of course, in other embodiments, the locking structure 3 and the locking connecting piece 12 can also be detachably connected through a buckle structure or other connecting structure.

[0036] In some embodiments, the fastening structure 2 is made of polyoxymethylene material. Polyoxymethylene, also known as POM, acetal resin, polyoxymethylene, or polyacetal, is a thermoplastic crystalline polymer. It is known as "super steel" or "super steel". It has good toughness and resilience and is not easy to break under the pulling of the operator. After the operator pulls the fastening structure 2 to expand the gap 22, the pipe connector 11 and the pipe structure 4 outside the pipe connector 11 are set in the fastening channel 21 of the fastening structure 2 through the gap 22. Under the self-rebound force, it tightly holds the pipe structure 4 outside, and under the pressure of the locking structure 3, it further easily deforms and shrinks, so as to tightly hold the pipe structure 4 outside, facilitating quick assembly. Of course, in other embodiments, the fastening structure 2 can also be made of other deformation materials such as metal sheets that are easy to deform.

[0037] As shown in Figure 3 , Figure 4 Another embodiment of the present application also provides a water pipe, which comprises a pipe structure 4, a first connector 5, and a second connector 6. The first connector 5 is used to connect to the external water faucet, water tank, and other water inlet structures. The second connector 6 is used to connect to the external water gun and other water outlet structures. The first connector 5 is provided as the above-mentioned pipe connecting device and is detachably connected to one end of the pipe structure 4. The adapter 13 of the first connector 5 is provided as a first adapter 51. The second connector 6 is provided as the above-mentioned pipe connecting device and is detachably connected to the other end of the pipe structure 4. The adapter 13 of the second connector 6 is provided as a second adapter 61 matched with the first adapter 51. The first adapter 51 can be connected to the second adapter 61 to connect two adjacent pipe structures 4. In this embodiment, since the first connector 5 and the second connector 6 are respectively provided as the pipe connecting device provided by the present application, the operator can assemble the first connector 5 and the second connector 6 on the pipe structure 4 after cutting off the damaged part. By connecting the adjacent ends of the two adjacent pipe structures 4 through the first adapter 51 of the first connector 5 and the second adapter 61 of the second connector 6, the self-repairing of the damaged pipe structure 4 is realized, or by connecting the adjacent ends of the two adjacent water pipes through the first adapter 51 of the first connector 5 and the second adapter 61 of the second connector 6, the extension of the water pipe is realized, and the water is transported over a longer distance.

[0038] As shown in Figure 4As shown, in some specific embodiments, the first connecting head 51 is provided with an inner thread structure for connecting with an external water inlet structure, the second connecting head 61 is provided with an outer thread structure for connecting with an external water outlet structure, and the first connecting head 51 and the second connecting head 61 can be connected in thread through the inner thread structure and the outer thread structure, which is simple and convenient in operation and reliable in connection.

[0039] In some specific embodiments, the first connecting head 51 is provided with an inner thread structure for connecting with an external water inlet structure, the second connecting head 61 is provided with an outer thread structure for connecting with an external water outlet structure, and the first connecting head 51 and the second connecting head 61 can be connected in thread through the inner thread structure and the outer thread structure, which is simple and convenient in operation and reliable in connection.

[0040] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; 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 present application.

[0041] In summary, the above is only a preferred embodiment of the present application, and any change and modification made within the scope of the present application shall be included in the scope of the present application.

Claims

1. An autonomously repairing assembled pipe coupling device, characterized in that, The utility model relates to a pipeline connecting structure, which comprises a connecting structure, a fastening structure and a locking structure. The connecting structure comprises a pipeline connecting piece, a locking connecting piece connected with the pipeline connecting piece, and a butt connecting piece connected with the end of the locking connecting piece away from the pipeline connecting piece. The fastening structure is made of a deformable material and has a fastening channel passing through the fastening structure along its axial direction. The fastening structure has a slit on its side, which communicates with the fastening channel and passes through both ends of the fastening structure.

2. The pipe coupling device of claim 1, wherein: The locking structure is detachably connected with the locking connecting piece and can be sleeved outside the fastening structure while being connected with the locking connecting piece.

3. The pipe coupling device of claim 2, wherein: The locking structure can press the fastening structure to deform and shrink the slit to allow the pipeline connecting piece and the pipeline structure sleeved outside the pipeline connecting piece to be sleeved in the fastening channel through the slit.

4. The pipe coupling device of claim 3, wherein: The taper surface matching structure gradually increases in width from the end away from the butt connecting piece to the end close to the butt connecting piece.

5. The pipe coupling device of claim 4, wherein: When the locking structure is connected with the locking connecting piece, the locking structure can press the fastening structure to deform and shrink the slit through the taper surface matching structure. The taper surface matching structure comprises a first circular taper surface arranged along the inner circumferential surface of the locking structure. The diameter of the first circular taper surface gradually increases from the end away from the butt connecting piece to the end close to the butt connecting piece. When the locking structure is connected with the locking connecting piece, the locking structure can press the outer circumferential surface of the fastening structure through the first circular taper surface to press the fastening structure to deform and shrink the slit. The taper surface matching structure further comprises a second circular taper surface arranged along the outer circumferential surface of the fastening structure. The diameter of the second circular taper surface gradually increases from the end away from the butt connecting piece to the end close to the butt connecting piece. When the locking structure is connected with the locking connecting piece, the locking structure can press the second circular taper surface through the first circular taper surface to press the fastening structure to deform and shrink the slit. The locking structure is in the form of a conical sheet with a slit on one side. The outer diameter and the inner diameter of the conical sheet gradually increase from the end away from the butt connecting piece to the end close to the butt connecting piece. The second circular taper surface is formed by the outer wall of the conical sheet. The inner wall of the conical sheet forms a third circular taper surface. The outer circumferential surface of the pipeline connecting piece is provided with a fourth circular taper surface matched with the third circular taper surface. When the locking structure is connected with the locking connecting piece, the pipeline structure is in interference fit between the fourth circular taper surface and the third circular taper surface.

6. The pipe coupling device of claim 1, wherein: The pipe connecting device comprises a connecting base, a connecting part extending from the connecting base along its axial direction away from the abutment part, and a limiting part connected to the end of the connecting part away from the abutment part, the locking connecting part extends from the connecting base along its axial direction towards the abutment part, the connecting base protrudes from the circumferential side of the connecting part to form a first limiting surface around the connecting part, the limiting part protrudes from the circumferential side of the connecting part to form a second limiting surface around the connecting part, the pipe structure is sleeved outside the connecting part and the limiting part, and the fastening structure is sleeved outside the pipe structure and is limited between the first limiting surface and the second limiting surface.

7. A pipe coupling device according to any one of claims 2 to 6, wherein: The locking structure is provided with a first threaded structure arranged on the side of the tapered surface matching structure close to the abutment part, the locking connecting part is provided with a second threaded structure matched with the first threaded structure, and the locking structure and the locking connecting part are detachably connected through the threaded connection of the first threaded structure and the second threaded structure.

8. A pipe coupling device according to any one of claims 1 to 6, wherein: The fastening structure is made of polyformaldehyde material.

9. A water pipe, characterized by Comprise: a pipe structure; a first connecting head for abutting an external water inlet structure, which is provided as the pipe connecting device of any one of claims 1-8 and is detachably connected to one end of the pipe structure, wherein the abutment part of the first connecting head is provided as a first abutment part; a second connecting head for abutting an external water outlet structure, which is provided as the pipe connecting device of any one of claims 1-8 and is detachably connected to the other end of the pipe structure, wherein the abutment part of the second connecting head is provided as a second abutment part matched with the first abutment part; The first abutment part can abut the second abutment part to communicate two adjacent pipe structures.

10. The water pipe of claim 9, wherein: The first abutment part is provided with an internal threaded structure for abutting the external water inlet structure, the second abutment part is provided with an external threaded structure for abutting the external water outlet structure, and the first connecting head and the second connecting head can be abutted through the threaded connection of the internal threaded structure and the external threaded structure.

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