Branch joint assembly

Abstract

The application discloses a branch joint assembly. The branch joint assembly comprises an interface connector, a first elastic member, a second elastic member, a first clamp member and a second clamp member. The first clamp member comprises a first clamp slot and a first mounting slot. The first clamp member comprises a second clamp slot and a second mounting slot. The first clamp slot and the second clamp slot are folded to form a first assembly hole. The first mounting slot and the second mounting slot are folded to form a second assembly hole. The interface connector is defined in the first clamp member and the second clamp member and located at an opening of the second assembly hole. The interface connector comprises a sealing surface, a mounting slot and a mounting hole. The mounting hole is coaxial with the second assembly hole. The mounting slot surrounds the mounting hole. The first elastic member is mounted in the mounting slot and beyond the sealing surface. The second elastic member is assembled in the interface connector and beyond a hole wall of the mounting hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe connection, in particular to a branch joint assembly. BACKGROUND

[0002] A branch pipe is connected to a main pipe to allow gaseous or liquid fluid in the main pipe to enter the branch pipe. The branch pipe and the main pipe are connected by a tee joint, and the joint part is connected by a sealing band; or, the branch pipe is inserted into the main pipe, and the insertion and fitting parts of the two are connected by a sealing band. However, the connection efficiency of the branch pipe and the main pipe is low, and the sealing effect at the connection is poor, which is prone to leakage, so it is necessary to improve. SUMMARY

[0003] The purpose of the present application is to provide a branch joint assembly.

[0004] The first aspect of the technical solution adopted by the present application is: a branch joint assembly, comprising an interface connector, a first elastic member, a second elastic member, a first clamp member and a second clamp member, the first clamp member comprises an arc-shaped first clamp groove and a first mounting groove, the second clamp member comprises an arc-shaped second clamp groove and a second mounting groove, the first clamp member is assembled to the second clamp member, the first clamp groove and the second clamp groove are folded to form a first assembly hole, the first mounting groove and the second mounting groove are folded to form a second assembly hole, the axis of the second assembly hole intersects the axis of the first assembly hole, and the interface connector is defined by the first clamp member and the second clamp member and located at the opening of the second assembly hole.

[0005] The interface connector comprises a curved sealing surface, a mounting groove recessed from the sealing surface and a mounting hole intersecting the sealing surface, the mounting hole is coaxial with the second assembly hole, the mounting groove surrounds the mounting hole, the first elastic member is mounted in the mounting groove and beyond the sealing surface, and the second elastic member is assembled in the interface connector and beyond the hole wall of the mounting hole.

[0006] Optionally, the sealing surface is curved and extends in two directions away from each other to form a smooth curved surface.

[0007] Optionally, the radius of curvature of the sealing surface is greater than or equal to the radius of the first assembly hole.

[0008] Optionally, the second elastic member is beyond the sealing surface.

[0009] Optionally, the mounting hole comprises a tapered hole wall, the second elastic member abuts against the tapered wall surface of the mounting hole and is close to the tapered bottom end of the mounting hole.

[0010] Optionally, the mounting hole comprises a first stepped hole and a second stepped hole, a hole diameter of the first stepped hole is smaller than a hole diameter of the second stepped hole, the second stepped hole intersects to the sealing surface, and the second elastic member is mounted in the second stepped hole.

[0011] Optionally, the first clamping member and the second clamping member are hingedly connected, the free end of the first clamping member and the free end of the second clamping member are folded towards each other and clamp the interface connector, the first mounting groove is arranged at the free end of the first clamping member, the second mounting groove is arranged at the free end of the second clamping member, and the branch joint assembly further comprises a fastener, the fastener being locked and connected to the free end of the first clamping member and the free end of the second clamping member.

[0012] Optionally, the first clamping member comprises a first abutting portion recessed along a free end surface, the first abutting portion intersects to the first mounting groove, the second clamping member comprises a second abutting portion recessed along a free end surface, the second abutting portion intersects to the second mounting groove, and the first abutting portion and the second abutting portion are folded to accommodate and define the interface connector.

[0013] Optionally, the first clamping member further comprises a first limiting groove recessed from a groove wall of the first mounting groove, the first limiting groove is away from the first clamping groove, the second clamping member further comprises a second limiting groove recessed from a groove wall of the second mounting groove, the second limiting groove is away from the second clamping groove, and the first limiting groove and the second limiting groove are folded to form an annular clamping groove.

[0014] Optionally, the first clamping member comprises a first plug-in portion arranged at a free end, the second clamping member comprises a second plug-in portion arranged at a free end, the first plug-in portion is plug-in matched with the second plug-in portion, and the first plug-in portion and the second plug-in portion are away from the interface connector.

[0015] After the above structure is adopted, the present application has the following advantages compared with the prior art:

[0016] The first clamping member and the second clamping member are folded and locked to clamp the main pipeline matched with the first assembly hole and the branch pipeline matched with the second assembly hole, and the assembly and disassembly are convenient. The first elastic member can abut against the main pipeline wall contacted by the sealing when the first clamping member and the second clamping member are locked and connected, the sealing effect is good, and the assembly is convenient. The interface connector is sleeved in the branch pipeline matched with the second assembly hole through the mounting hole, the second elastic member is sealed with the pipeline wall of the branch pipeline, and the combination tightness is high. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and embodiments:

[0018] Figure 1 is a structural schematic diagram of a branch joint assembly of the present application.

[0019] Figure 2 is a sectional structural schematic diagram of a branch joint assembly of the present application.

[0020] Figure 3 is a structural schematic diagram of an interface connector of the present application.

[0021] Figure 4 is a structural schematic diagram of a first clamping member hinged to a second clamping member in an unfolded state of the present application.

[0022] Figure 5 is an exploded structural schematic diagram of a branch joint assembly of the present application.

[0023] In the figure: first clamping member 10; first clamping groove 11; first mounting groove 12; first abutting portion 13; first limiting groove 14; first insertion portion 15; first positioning hole 151; first positioning pin 152; first clamping portion 16; first locking portion 17; first hinging protrusion 171; insertion pin 172; first hinging portion 18; positioning mark portion 19; second clamping member 20; second clamping groove 21; second mounting groove 22; second abutting portion 23; second limiting groove 24; second insertion portion 25; second clamping portion 26; second locking portion 27; second hinging protrusion 271; second hinging portion 28; interface connector 30; sealing surface 31; mounting hole 32; mounting groove 33; fastener 40; first elastic member 50; second elastic member 60; main pipe 70; flow-through hole 71; branch pipe 80; annular protrusion 81. DETAILED DESCRIPTION

[0024] The following description is merely exemplary in nature and is in no way intended to limit the scope of the present application, as described.

[0025] Embodiments, as shown in Figure 1 and Figure 2 , a branch joint assembly includes an interface connector 30, a first elastic member 50, a second elastic member 60, a first clamping member 10, and a second clamping member 20. The first clamping member 10 includes an arc-shaped first clamping groove 11 and a first mounting groove 3312. The first clamping member 10 includes an arc-shaped second clamping groove 21 and a second mounting groove 3322. The first clamping member 10 is fitted to the second clamping member 20. The first clamping groove 11 and the second clamping groove 21 are folded to form a first fitting hole. The first mounting groove 3312 and the second mounting groove 3322 are folded to form a second fitting hole. The axis of the second fitting hole intersects the axis of the first fitting hole. The interface connector 30 is defined by the first clamping member 10 and the second clamping member 20 and is located at the opening of the second fitting hole.

[0026] The interface connector 30 comprises a curved sealing surface 31, a mounting groove 33 formed by concave from the sealing surface 31 and a mounting hole 32 intersecting to the sealing surface 31, the mounting hole 32 is coaxial with the second assembly hole. The mounting groove 33 surrounds the mounting hole 32, the first elastic member 50 is mounted in the mounting groove 33 and beyond the sealing surface 31, the second elastic member 60 is assembled in the interface connector 30 and beyond the hole wall of the mounting hole 32.

[0027] The branch joint assembly is used for connecting the main pipeline 70 and the branch pipeline 80, so that the gaseous or liquid fluid in the main pipeline 70 enters into the branch pipeline 80. The pipe diameter of the main pipeline 70 is larger than that of the branch pipeline 80, and the main pipeline 70 is provided with a flow-through hole 71, and optionally, the hole diameter of the flow-through hole 71 is slightly larger than the pipe diameter of the branch pipeline 80, so that the branch pipeline 80 can be inserted into the flow-through hole 71. Optionally, the hole diameter of the flow-through hole 71 is equal to or slightly different from the hole diameter of the branch pipeline 80, so that the flow-through efficiency of the fluid is high and the opening size of the main pipeline 70 is reduced.

[0028] The interface connector 30 is sleeved on the branch pipeline 80 through the mounting hole 32, so that the interface connector 30 is located at the connection position of the branch pipeline 80 and the main pipeline 70, and the sealing surface 31 faces the pipe wall of the main pipeline 70. The first clamp member 10 and the second clamp member 20 are folded towards each other to clamp the main pipeline 70 and the branch pipeline 80, wherein the main pipeline 70 is tightly connected with the first assembly hole, the branch pipeline 80 is tightly connected with the second assembly hole, and the first elastic member 50 and the second elastic member 60 are elastically deformed under the extrusion force of the first clamp member 10 and the second clamp member 20, so that the first elastic member 50 tightly seals the wall surface of the main pipeline 70, and the second elastic member 60 tightly seals the pipe wall of the branch pipeline 80.

[0029] The first elastic member 50 is an annular sealing ring made of rubber material, which can be elastically deformed under the extrusion force. The mounting groove 33 is annularly distributed on the sealing surface 31 to separate the sealing surface 31 into multiple spaced curved surfaces, and combines with the first elastic member 50 to realize multi-seal, and the sealing effect is good.

[0030] The second elastic member 60 is an annular sealing ring made of rubber material, which can be elastically deformed under the extrusion force, and the second elastic member 60 is sleeved on the branch pipeline 80 and located between the interface connector 30 and the main pipeline 70. The first clamp member 10 and the second clamp member 20 are locked and connected and pushed against the elastic deformation of the interface connector 30, so that the second elastic member 60 seals the fitting gap between the branch pipeline 80 and the mounting hole 32, and the sealing effect is good.

[0031] The interface connecting piece 30 is sleeved on the branch pipeline 80 and is limited by the first clamping piece 10 and the second clamping piece 20. When the first clamping piece 10 and the second clamping piece 20 are folded to clamp and connect the main pipeline 70 and the branch pipeline 80, the first elastic piece 50 and the second elastic piece 60 seal the fitting gap between the branch pipeline 80 and the main pipeline 70, and the sealing effect is good. The interface connecting piece 30 is limited in the folding range of the first clamping piece 10 and the second clamping piece 20 and supports the first elastic piece 50 and the second elastic piece 60, and the limiting effect is good and the connection is firm.

[0032] The axis of the second assembly hole intersects the axis of the first assembly hole, corresponding to the extension direction of the main pipeline 70 and the extension direction of the branch pipeline 80. For example, the axis of the second assembly hole is perpendicular to the axis of the first assembly hole; or the axis of the second assembly hole is inclined to intersect the axis of the first assembly hole, so as to adjust the installation direction of the branch pipeline 80 relative to the main pipeline 70.

[0033] As shown in Figure 1 and Figure 3 In an embodiment, the sealing surface 31 extends in two directions away from the mounting hole 32 to form a smooth curved surface. The sealing surface 31 is an arc-shaped curved surface or an involute-shaped curved surface, so that the first elastic piece 50 can tightly fit the outer peripheral wall of the main pipeline 70, and the fitting effect is good. Alternatively, the radius of curvature of the sealing surface 31 is smaller than the radius of the main pipeline 70, so that the interface connecting piece 30 expands along the surface of the main pipeline 70, and the first elastic piece 50 is pressed and sealed to fit the surface of the main pipeline 70. Alternatively, the radius of curvature of the sealing surface 31 is greater than or equal to the radius of the first assembly hole, so that the first elastic piece 50 gradually fits the surface of the main pipeline 70 from the direction of the mounting hole 32, improving the sealing tightness near the mounting hole 32, and the sealing effect of the interface part is good. Alternatively, the mounting hole 32 is located at the center of the curved surface of the sealing surface 31, so that the elastic sealing surface of the first elastic piece 50 is symmetrical relative to the branch pipeline 80, and the sealing range is balanced well. Alternatively, the cross section of the first elastic piece 50 is circular. Alternatively, the first elastic piece 50 is provided with a curved coupling surface facing the sealing surface 31, so that the coupling surface of the first elastic piece 50 gradually fits the surface of the main pipeline 70, and the fitting tightness is good.

[0034] In an embodiment, the second elastic piece 60 cooperates with the hole wall of the mounting hole 32, and the second elastic piece 60 exceeds the sealing surface 31, so that the second elastic piece 60 simultaneously seals the main pipeline 70 when sealing the branch pipeline 80, and the sealing range is wide.

[0035] Optionally, the mounting hole 32 comprises a tapered hole wall, the second elastic member 60 abuts against the tapered hole wall of the mounting hole 32 and is close to the tapered bottom end of the mounting hole 32. The hole wall of the mounting hole 32 is tapered, and the opening end intersecting with the sealing surface 31 is the large end, and the other end is the small end. The branch pipeline 80 is inserted along the small end and connected with the second elastic member 60 in a sleeve connection, and part of the second elastic member 60 is located in the mounting hole 32 and connected in abutment with the hole wall of the mounting hole 32. Part of the second elastic member 60 protrudes from the sealing surface 31 and elastically abuts against the main pipeline 70 to seal the intersection part of the main pipeline 70, the mounting hole 32 and the branch pipeline 80, and the sealing performance is strong.

[0036] Optionally, the mounting hole 32 comprises a first stepped hole and a second stepped hole, the hole diameter of the first stepped hole is smaller than the hole diameter of the second stepped hole, the second stepped hole intersects with the sealing surface 31, and the second elastic member 60 is installed in the second stepped hole. The mounting hole 32 is in the shape of a stepped hole, the branch pipeline 80 is inserted along the first stepped hole and connected with the second elastic member 60 in a sleeve connection, and part of the second elastic member 60 is located in the second stepped hole and connected in abutment with the hole wall and the stepped surface of the second stepped hole. Part of the second elastic member 60 protrudes from the sealing surface 31 and elastically abuts against the main pipeline 70 to seal the intersection part of the main pipeline 70, the mounting hole 32 and the branch pipeline 80, and the sealing performance is strong.

[0037] As shown in Figure 4 and Figure 5 , the two ends of the first clamping member 10 and the second clamping member 20 can be locked by the fastener 40, and the locking strength is high. In an embodiment, the first clamping member 10 and the second clamping member 20 are hingedly connected, the free end of the first clamping member 10 and the free end of the second clamping member 20 are folded towards each other and clamped on the interface connector 30. The first mounting groove 3312 is arranged at the free end of the first clamping member 10, and the second mounting groove 3322 is arranged at the free end of the second clamping member 20. The branch joint assembly further comprises a fastener 40, which locks and connects the free end of the first clamping member 10 and the free end of the second clamping member 20.

[0038] The first clamping member 10 and the second clamping member 20 are hingedly connected, and one of them can rotate relative to the other to be in an unfolded position or a clamped position, thereby improving the assembly efficiency. The fastener 40 only needs to lock one end of the first clamping member 10 and the second clamping member 20, and the locking efficiency is high. The combined part of the main pipeline 70 and the branch pipeline 80 and the interface connector 30 are clamped and fixed by the free end of the first clamping member 10 and the free end of the second clamping member 20, the position adjustment is convenient, and the clamping effect is good.

[0039] The interface connecting piece 30 is defined in the free end of the first clamping member 10 and the free end of the second clamping member 20, wherein the free end of the first clamping member 10 and the free end of the second clamping member 20 are provided with a receiving space for receiving the interface connecting piece 30. In an embodiment, the first clamping member 10 comprises a first abutting portion 13 recessed along the surface of the free end, the first abutting portion 13 intersects with the first mounting groove 3312, and the second clamping member 20 comprises a second abutting portion 23 recessed along the surface of the free end. The second abutting portion 23 intersects with the second mounting groove 3322, and the first abutting portion 13 and the second abutting portion 23 are folded to receive and define the interface connecting piece 30. The peripheral wall of the interface connecting piece 30 is defined in the first abutting portion 13 and the second abutting portion 23, and only the sealing surface 31 protrudes towards the first fitting hole, so that the interface connecting piece 30 can only be extruded and deformed towards the main pipe 70 when elastically deformed, and the sealing strength is high.

[0040] Optionally, the first clamping member 10 comprises an arc-shaped first clamping portion 16, a first hinge portion 18 located at one end of the first clamping portion 16, and a first locking portion 17 located at the other end of the first clamping portion 16, and the first abutting portion 13 is recessed from the surface of the first clamping portion 16 and extends to the first locking portion 17. The second clamping member 20 comprises an arc-shaped second clamping portion 26, a second hinge portion 28 located at one end of the second clamping portion 26, and a second locking portion 27 located at the other end of the second clamping portion 26, and the second abutting portion 23 is recessed from the surface of the second clamping portion 26 and extends to the second locking portion 27. The first hinge portion 18 and the second hinge portion 28 are hingedly connected, the first locking portion 17 and the second locking portion 27 are clamped to the branch pipe 80, the first abutting portion 13 and the second abutting portion 23 respectively receive and abut against opposite sides of the interface connecting piece 30, and the fastener 40 locks and connects the first hinge portion 18 and the second hinge portion 28.

[0041] The first clamping portion 16 is in an arc-shaped curved structure, the first clamping groove 11 is located in the first clamping portion 16, and the first mounting groove 3312 is located in the slot wall of the first locking portion 17 and extends to the first abutting portion 13. The second clamping portion 26 is in an arc-shaped curved structure, the second clamping groove 21 is located in the second clamping portion 26, and the second mounting groove 3322 is located in the slot wall of the second locking portion 27 and extends to the second abutting portion 23.

[0042] The first hinge part 18 is provided with first hinge protrusions 171 which are spaced apart, and the second hinge part 28 is provided with second hinge protrusions 271 which are spaced apart. The first hinge protrusions 171 are inserted into the spaced apart grooves of the second hinge protrusions 271, and are locked by the insertion pins 172, so that the first clamping part 10 and the second clamping part 20 are hingedly connected. The first locking part 17 constitutes the free end of the first clamping part 10, and the second locking part 27 constitutes the free end of the second clamping part 20.

[0043] In an embodiment, the first clamping part 10 further comprises a first limiting groove 14 which is recessed from the groove wall of the first mounting groove 3312, and the first limiting groove 14 is away from the first clamping groove 11. The second clamping part 20 further comprises a second limiting groove 24 which is recessed from the groove wall of the second mounting groove 3322, and the second limiting groove 24 is away from the second clamping groove 21. The first limiting groove 14 and the second limiting groove 24 are folded to form a clamping groove in the shape of a ring.

[0044] The first mounting groove 3312 and the second mounting groove 3322 are folded to form a second assembly hole, and the clamping groove formed by folding the first limiting groove 14 and the second limiting groove 24 is located in the second assembly hole. Accordingly, the surface of the peripheral wall of the branch pipeline 80 is provided with a ring-shaped protrusion 81, and when the branch pipeline 80 is located in the second assembly hole, the ring-shaped protrusion 81 is limited in the clamping groove, so as to lock the axial installation position of the branch pipeline 80, and the positioning effect is good.

[0045] In an embodiment, the first clamping part 10 and / or the second clamping part 20 are provided with a positioning identification part 19 which is away from the opening of the second assembly hole, so as to identify the installation position of the branch pipeline 80 which is inserted into the main pipeline 70. For example, the positioning identification part 19 is provided as a positioning groove or a positioning boss on the surface of the first clamping part 10 and / or the second clamping part 20, so as to facilitate the user to measure the set position of the ring-shaped protrusion 81 in the branch pipeline 80.

[0046] In an embodiment, the first clamping part 10 comprises a first insertion part 15 which is provided on the free end, and the second clamping part 20 comprises a second insertion part 25 which is provided on the free end. The first insertion part 15 and the second insertion part 25 are inserted and matched, and the first insertion part 15 and the second insertion part 25 are away from the interface connector 30.

[0047] The first and second inserting parts 15 and 25 are provided with a pin-hole structure matched with each other to realize the inserting and positioning. For example, the first inserting part 15 includes a first positioning pin 152 and a first positioning hole 151, which are respectively located at two sides of the first mounting groove 3312. The second inserting part 25 includes a second positioning pin and a second positioning hole, which are respectively located at two sides of the second mounting groove 3322. When the first clamping member 10 is folded to the second clamping member 20, the first positioning pin 152 is inserted into the second positioning hole, and the second positioning pin is inserted into the first positioning hole 151, so that the inserting and positioning precision is high. The fastener 40 locks the first and second locking parts 17 and 27, and the fastener 40 only performs the locking function, so that the connection strength is high.

[0048] The branch joint assembly is currently widely used, and other structures and principles are the same as the prior art, which will not be described here.

Claims

1. A branch junction assembly, characterized by The branch joint assembly comprises an interface connector, a first elastic member, a second elastic member, a first clamping member and a second clamping member. The first clamping member comprises an arc-shaped first clamping groove and a first mounting groove. The second clamping member comprises an arc-shaped second clamping groove and a second mounting groove. The first clamping member is assembled to the second clamping member. The first clamping groove and the second clamping groove are folded to form a first assembly hole. The first mounting groove and the second mounting groove are folded to form a second assembly hole. The axis of the second assembly hole intersects the axis of the first assembly hole. The interface connector is defined by the first clamping member and the second clamping member and located at the opening of the second assembly hole. The interface connector comprises a curved sealing surface, a mounting groove recessed from the sealing surface and a mounting hole intersecting the sealing surface. The mounting hole is coaxial with the second assembly hole. The mounting groove surrounds the mounting hole. The first elastic member is mounted in the mounting groove and beyond the sealing surface. The second elastic member is assembled in the interface connector and beyond the hole wall of the mounting hole. The sealing surface is an arc-shaped curve or an involute curve. The mounting groove separates the sealing surface into multiple spaced curves. The first elastic member realizes multi-segment sealing. The mounting hole comprises a tapered hole wall. The second elastic member abuts against the tapered wall surface of the mounting hole and is close to the tapered bottom end of the mounting hole. The radius of curvature of the sealing surface is greater than or equal to the radius of the first assembly hole. Part of the second elastic member protrudes from the sealing surface and elastically abuts against the main pipeline to seal the intersection of the main pipeline, the mounting hole and the branch pipeline.

2. The branch junction assembly of claim 1, wherein, The sealing surface extends in two directions away from the mounting hole to form a smooth curve.

3. The branch junction assembly of claim 1, wherein, The mounting hole comprises a first stepped hole and a second stepped hole. The diameter of the first stepped hole is smaller than the diameter of the second stepped hole. The second stepped hole intersects the sealing surface. The second elastic member is mounted in the second stepped hole.

4. The branch junction assembly of claim 1, wherein, The first clamping member and the second clamping member are hingedly connected. The free ends of the first clamping member and the second clamping member are folded to each other and clamp the interface connector. The first mounting groove is arranged at the free end of the first clamping member. The second mounting groove is arranged at the free end of the second clamping member. The branch joint assembly further comprises a fastener. The fastener locks the free ends of the first clamping member and the second clamping member.

5. The branch junction assembly of claim 4, wherein, The first clamping member comprises a first abutting portion recessed along the surface of the free end. The first abutting portion intersects the first mounting groove. The second clamping member comprises a second abutting portion recessed along the surface of the free end. The second abutting portion intersects the second mounting groove. The first abutting portion and the second abutting portion are folded to accommodate and define the interface connector.

6. The branch junction assembly of claim 4, wherein, The first clamping member further comprises a first limiting groove recessed from the groove wall of the first mounting groove, the first limiting groove being away from the first clamping groove, the second clamping member further comprises a second limiting groove recessed from the groove wall of the second mounting groove, the second limiting groove being away from the second clamping groove, and the first limiting groove and the second limiting groove are folded to form an annular clamping groove.

7. The branch junction assembly of claim 4, wherein, The first clamping member comprises a first plug-in part arranged at the free end, the second clamping member comprises a second plug-in part arranged at the free end, the first plug-in part and the second plug-in part are plug-in matched, and the first plug-in part and the second plug-in part are away from the interface connecting member.

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