CN212251634U

CN212251634U - Branch joint assembly

Info

Publication number: CN212251634U
Application number: CN202020783068.2U
Authority: CN
Inventors: 杨建荣
Original assignee: Ningbo Elfa Fluid Technology Co ltd
Current assignee: Zhejiang ELFA Fluid Technology Co.,Ltd.
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-12-29
Anticipated expiration: 2030-05-12

Abstract

The invention discloses a branch joint assembly. The branch joint assembly comprises an interface connection piece, a first elastic piece, a second elastic piece, a first hoop piece and a second hoop piece, wherein the first hoop piece comprises a first hoop groove and a first mounting groove. First clamp spare includes second clamp groove and second mounting groove, first clamp groove and second clamp groove fold and form first pilot hole, first mounting groove and second mounting groove fold and form the second pilot hole. The interface connector is defined on the first clamp piece and the second clamp piece and is positioned at the opening of the second assembling hole. The interface connection piece comprises a sealing surface, a mounting groove and a mounting hole, the mounting hole is coaxial with the second assembling hole, the mounting groove surrounds the mounting hole, the first elastic piece is mounted on the mounting groove and exceeds the sealing surface, and the second elastic piece is mounted on the interface connection piece and exceeds the hole wall of the mounting hole.

Description

Branch joint assembly

Technical Field

The invention relates to the technical field of pipeline connection, in particular to a branch joint assembly.

Background

The branch line is connected to the main line such that gaseous or liquid fluid within the main line enters the branch line. The branch pipeline is connected with the main pipeline through a three-way joint, and the joint part is hermetically connected through a sealing belt; or the branch pipeline is inserted into the main pipeline, and the insertion matching parts of the branch pipeline and the main pipeline are in sealing connection through a sealing belt. However, the connection efficiency of the branch pipeline and the main pipeline is low, the sealing effect of the connection part is poor, and leakage is easy, so that improvement is needed.

Disclosure of Invention

The invention aims to provide a branch joint component.

The first aspect of the technical scheme adopted by the invention is as follows: a branch joint assembly comprises an interface connecting piece, a first elastic piece, a second elastic piece, a first clamp piece and a second clamp piece, wherein the first clamp piece comprises a first clamp groove and a first mounting groove which are arc-shaped, the first clamp piece comprises a second clamp groove and a second mounting groove which are arc-shaped, the first clamp piece is assembled to the second clamp piece, the first clamp groove and the second clamp groove are folded to form a first assembling hole, the first mounting groove and the second mounting groove are folded to form a second assembling hole, the axis of the second assembling hole is intersected with the axis of the first assembling hole, and the interface connecting piece is limited to the first clamp piece and the second clamp piece and is positioned at the opening of the second assembling hole;

the interface connection piece comprises a curved surface-shaped sealing surface, a mounting groove formed by the concave sealing surface and a mounting hole intersecting with the sealing surface, the mounting hole is coaxial with the second assembling hole, the mounting groove surrounds the mounting hole, the first elastic piece is mounted in the mounting groove and exceeds the sealing surface, and the second elastic piece is mounted in the interface connection piece and exceeds the hole wall of the mounting hole.

Optionally, the sealing surface is curved to extend from the mounting hole to two directions away from each other to form a smooth curved surface.

Optionally, the sealing surface has a radius of curvature greater than or equal to a radius of the first mounting hole.

Optionally, the second resilient member extends beyond the sealing surface.

Optionally, the mounting hole includes a tapered hole wall, and the second elastic element abuts against the tapered wall surface of the mounting hole and is close to one end of the tapered bottom of the mounting hole.

Optionally, the mounting hole includes a first stepped hole and a second stepped hole, the first stepped hole has a smaller bore diameter than the second stepped hole, the second stepped hole intersects with the sealing surface, and the second elastic member is mounted in the second stepped hole.

Optionally, the first clamp member and the second clamp member are hinged to each other, the free end of the first clamp member and the free end of the second clamp member are folded to each other and clamp the interface connector, the first mounting groove is formed in the free end of the first clamp member, the second mounting groove is formed in the free end of the second clamp member, and the branch joint assembly further includes a fastener which is locked and connected to the free end of the first clamp member and the free end of the second clamp member.

Optionally, the first clamp includes a first abutting portion recessed along a free end surface, the first abutting portion intersecting to the first mounting groove, the second clamp includes a second abutting portion recessed along a free end surface, the second abutting portion intersecting to the second mounting groove, the first abutting portion and the second abutting portion being folded to receive and define the interface connection.

Optionally, the first clamp piece further comprises a first limiting groove formed by the groove wall of the first mounting groove in a concave manner, the first limiting groove is far away from the first clamp groove, the second clamp piece further comprises a second limiting groove formed by the groove wall of the second mounting groove in a concave manner, the second limiting groove is far away from the second clamp groove, and the first limiting groove and the second limiting groove are folded to form an annular clamp groove.

Optionally, the first hoop component comprises a first inserting portion arranged at the free end, the second hoop component comprises a second inserting portion arranged at the free end, the first inserting portion is in inserting fit with the second inserting portion, and the first inserting portion and the second inserting portion are far away from the interface connecting piece.

After adopting the structure, compared with the prior art, the invention has the advantages that:

the first clamp part and the second clamp part are folded and locked to clamp the main pipeline matched with the first assembling hole and the branch pipeline matched with the second assembling hole, and the disassembly and the assembly are convenient. The first elastic piece can support and seal the pipe wall of the main pipeline contacted with the first clamp piece and the second clamp piece when the first clamp piece and the second clamp piece are connected in a locking mode, the sealing effect is good, and the assembly is convenient. The branch pipeline that second pilot hole adaptation was located through the mounting hole cover to the interface connection spare, and the second elastic component is sealed with the pipe wall of branch pipeline, and it is high to combine the compactness.

Drawings

The invention is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic structural view of a branch joint assembly of the present invention.

FIG. 2 is a schematic cross-sectional view of the branch fitting assembly of the present invention connecting a main pipeline and a branch pipeline.

Fig. 3 is a schematic structural view of the interface connector of the present invention.

Fig. 4 is a structural view showing a developed state in which the first clip member of the present invention is hingedly connected to the second clip member.

Fig. 5 is an exploded view of the branch joint assembly of the present invention.

In the figure: a first clip member 10; a first clip groove 11; a first mounting groove 12; a first abutting portion 13; a first limit groove 14; a first insertion part 15; a first positioning hole 151; a first positioning pin 152; a first collar portion 16; a first locking portion 17; a first hinge bead 171; a plug pin 172; a first hinge 18; a positioning mark part 19; a second clip member 20; a second collar groove 21; a second mounting groove 22; a second abutting portion 23; a second limit groove 24; a second mating portion 25; a second collar portion 26; a second locking portion 27; a second hinge bead 271; a second hinge 28; an interface connector 30; a sealing surface 31; mounting holes 32; a mounting groove 33; a fastener 40; a first elastic member 50; the second elastic member 60; a main line 70; a flow-through hole 71; a branch line 80; the annular rib 81.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

In an embodiment, as shown in fig. 1 and 2, the branch joint assembly includes an interface connection member 30, a first elastic member 50, a second elastic member 60, a first clip member 10 and a second clip member 20, the first clip member 10 includes a first clip groove 11 and a first mounting groove 3312 having an arc shape, and the first clip member 10 includes a second clip groove 21 and a second mounting groove 3322 having an arc shape. The first clip member 10 is fitted to the second clip member 20, the first clip groove 11 and the second clip groove 21 are closed to form a first fitting hole, the first mounting groove 3312 and the second mounting groove 3322 are closed to form a second fitting hole, the axis of the second fitting hole intersects the axis of the first fitting hole, and the interface connector 30 is defined at the first clip member 10 and the second clip member 20 and located at the opening of the second fitting hole.

The interface connection 30 includes a curved sealing surface 31, a mounting groove 33 recessed from the sealing surface 31, and a mounting hole 32 intersecting the sealing surface 31, the mounting hole 32 being coaxial with the second mounting hole. The mounting groove 33 surrounds the mounting hole 32, the first elastic member 50 is mounted on the mounting groove 33 and extends beyond the sealing surface 31, and the second elastic member 60 is mounted on the mouthpiece connecting member 30 and extends beyond the hole wall of the mounting hole 32.

The branch fitting assembly is used to connect the main conduit 70 and the branch conduit 80 such that gaseous or liquid fluid within the main conduit 70 enters the branch conduit 80. The main pipe 70 has a pipe diameter larger than that of the branch pipe 80, and the main pipe 70 is provided with a flow hole 71, and optionally, the flow hole 71 has a hole diameter slightly larger than that of the branch pipe 80 so that the branch pipe 80 can be inserted into the flow hole 71. Optionally, the aperture of the circulation hole 71 is equal to or has a small difference with the aperture of the branch line 80, so as to increase the circulation efficiency of the fluid and reduce the size of the opening of the main line 70.

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 piece 10 and the second clamp piece 20 are mutually folded to clamp the main pipeline 70 and the branch pipeline 80, wherein the main pipeline 70 is tightly connected with the first assembling hole, the branch pipeline 80 is tightly connected with the second assembling hole, the first elastic piece 50 and the second elastic piece 60 are elastically deformed under the extrusion force action of the first clamp piece 10 and the second clamp piece 20, so that the first elastic piece 50 is attached to and seals the wall surface of the main pipeline 70, and the second elastic piece 60 is attached to and seals the pipe wall of the branch pipeline 80.

The first elastic member 50 is an annular seal ring made of a rubber material, and can be elastically deformed by the extrusion force. The mounting grooves 33 are annularly distributed on the sealing surface 31 to divide the sealing surface 31 into a plurality of spaced curved surfaces, and are combined with the first elastic member 50 to realize multi-section sealing, so that the sealing effect is good.

The second elastic member 60 is an annular sealing ring made of rubber material, and can be elastically deformed under the action of extrusion force, and the branch pipeline 80 is sleeved with the second elastic member 60 and is located between the interface connection member 30 and the main pipeline 70. The first clamp member 10 and the second clamp member 20 are locked and connected and push against the elastic deformation of the interface connector 30, so that the second elastic member 60 seals the fit gap between the branch pipeline 80 and the installation hole 32, and the sealing effect is good.

The interface connector 30 is sleeved on the branch pipeline 80 and limited by the first clamp member 10 and the second clamp member 20, and when the first clamp member 10 and the second clamp member 20 are folded to clamp and connect the main pipeline 70 and the branch pipeline 80, the first elastic member 50 and the second elastic member 60 seal a fit gap between the branch pipeline 80 and the main pipeline 70, and the sealing effect is good. The interface connector 30 is limited in the closed range of the first and

second clip members

10 and 20 and supports the first and second

elastic members

50 and 60, and has a good limiting effect and a firm connection.

The axis of the second fitting hole intersects the axis of the first fitting hole, corresponding to the extending direction of the main pipe 70 and the extending direction of the branch pipe 80. For example, the axis of the second fitting hole is perpendicular to the axis of the first fitting hole; alternatively, the axis of the second fitting hole intersects obliquely with respect to the axis of the first fitting hole to adjust the installation direction of the branch pipeline 80 with respect to the main pipeline 70.

As shown in fig. 1 and 3, in one embodiment, the sealing surface 31 is curved and extends from the mounting hole 32 in two directions away from each other 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 member 50 can be closely attached to the outer peripheral wall of the main pipeline 70, and the attaching effect is good. Optionally, the sealing surface 31 has a radius of curvature less than the radius of the main conduit 70 such that the interface connection 30 is spread along the surface of the main conduit 70 and the first resilient member 50 presses sealingly against the surface of the main conduit 70. Optionally, the curvature radius of the sealing surface 31 is greater than or equal to the radius of the first assembly hole, so that the first elastic element 50 gradually fits the surface of the main pipeline 70 from the direction of the installation hole 32, the sealing and bonding tightness near the installation hole 32 is improved, 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 seal surface 31 so that the elastic seal surface of the first elastic member 50 is symmetrical with respect to the branch line 80, and the seal range is well balanced. Alternatively, the first elastic member 50 may have a circular cross-section. Alternatively, the first elastic member 50 is provided with a curved surface facing the sealing surface 31, so that the coupling surface of the first elastic member 50 is gradually attached to the surface of the main pipe 70, and the attachment tightness is good.

In an embodiment, the second elastic member 60 is engaged with the hole wall of the mounting hole 32, and the second elastic member 60 extends beyond the sealing surface 31, so that the second elastic member 60 seals the main pipeline 70 synchronously when sealing the branch pipelines 80, and the sealing range is wide.

Optionally, the mounting hole 32 includes a tapered hole wall, and the second elastic element 60 abuts against the tapered wall of the mounting hole 32 and is close to one end of the tapered bottom of the mounting hole 32. The hole wall of the mounting hole 32 is a tapered surface, and one end intersecting the sealing surface 31 is open to a large end and the other end is a small end. The branch line 80 is inserted along the small end and connected with the second elastic member 60 in a sleeved manner, and part of the second elastic member 60 is located in the mounting hole 32 and connected with the hole wall of the mounting hole 32 in a propping manner. 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 of the main pipeline 70, the mounting hole 32 and the branch pipeline 80, and the sealing performance is high.

Alternatively, the mounting hole 32 includes a first stepped hole having a smaller bore diameter than a second stepped hole intersecting with the seal surface 31, and the second elastic member 60 is mounted in the second stepped hole. The mounting hole 32 is in a step hole shape, the branch pipeline 80 is inserted along the first step hole and connected with the second elastic member 60 in a sleeved mode, and part of the second elastic member 60 is located in the second step hole and connected with the hole wall and the step surface of the second step hole in an abutting mode. 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 of the main pipeline 70, the mounting hole 32 and the branch pipeline 80, and the sealing performance is high.

As shown in fig. 4 and 5, both ends of the first and

second clip members

10 and 20 may be locked by the fastening member 40, and the locking strength is high. In one embodiment, the first clip member 10 and the second clip member 20 are hingedly connected, and the free end of the first clip member 10 and the free end of the second clip member 20 are folded together and clamp the interface connector 30. The first mounting groove 3312 is provided at a free end of the first band member 10, and the second mounting groove 3322 is provided at a free end of the second band member 20. The branch joint assembly further includes a fastener 40, the fastener 40 lockingly connecting the free end of the first clip member 10 and the free end of the second clip member 20.

The first and

second clip members

10 and 20 are hingedly connected, one of which is rotatable relative to the other to be in a deployed position or a clamped position, improving assembly efficiency. The fastener 40 only needs to lock one end of the first and

second clip members

10 and 20, and the locking efficiency is high. The joint 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 clamp member 10 and the free end of the second clamp member 20, so that the position adjustment is convenient and the clamping effect is good.

The interface connector 30 is defined at a free end of the first clip member 10 and a free end of the second clip member 20, wherein the free ends of the first clip member 10 and the second clip member 20 are provided with a receiving space for receiving the interface connector 30. In one embodiment, the first clip member 10 includes a first abutting portion 13 recessed along a free end surface, the first abutting portion 13 intersects the first mounting groove 3312, and the second clip member 20 includes a second abutting portion 23 recessed along a free end surface. The second abutment 23 intersects the second mounting slot 3322 and the first abutment 13 and the second abutment 23 come together to receive and define the interface connector 30. The outer peripheral wall of the interface connection member 30 is defined in the first abutting portion 13 and the second abutting portion 23, and only the sealing surface 31 remains to protrude toward the first fitting hole, so that the interface connection member 30 can be pressed and deformed only toward the main pipe 70 when elastically deformed, and the sealing strength is high.

Alternatively, the first clip member 10 includes an arc-shaped first clip portion 16, a first hinge portion 18 at one end of the first clip portion 16, and a first locking portion 17 at the other end of the first clip portion 16, and the first abutting portion 13 is recessed from a surface of the first clip portion 16 and extends to the first locking portion 17. The second clip member 20 includes an arc-shaped second clip portion 26, a second hinge portion 28 at one end of the second clip portion 26, and a second locking portion 27 at the other end of the second clip portion 26, and the second abutting portion 23 is recessed from a surface of the second clip portion 26 and extends to the second locking portion 27. The first hinge portion 18 and the second hinge portion 28 are hinged to each other, the first locking portion 17 and the second locking portion 27 are held in the branch line 80, the first abutting portion 13 and the second abutting portion 23 respectively receive and abut against two opposite sides of the interface connection member 30, and the fastener 40 locks and connects the first hinge portion 18 and the second hinge portion 28 to each other.

The first clamp portion 16 has an arc-shaped curved structure, the first clamp groove 11 is located in the first clamp portion 16, and the first mounting groove 3312 is located in the first locking portion 17 and extends to a groove wall of the first abutting portion 13. The second collar portion 26 has an arc-shaped bent structure, the second collar groove 21 is located in the second collar portion 26, and the second mounting groove 3322 is located in the second locking portion 27 and extends to a groove wall of the second abutting portion 23.

The first hinge portion 18 is provided with first hinge ribs 171 spaced apart from each other, the second hinge portion 28 is provided with second hinge ribs 271 spaced apart from each other, and the first hinge ribs 171 are inserted into the spaced grooves of the second hinge ribs 271 and locked by the insertion pins 172, so that the first clip member 10 is hinge-connected to the second clip member 20. Wherein the first locking portion 17 constitutes a free end of the first clip member 10 and the second locking portion 27 constitutes a free end of the second clip member 20.

In an embodiment, the first clip member 10 further includes a first stopper groove 14 concavely formed from a groove wall of the first mounting groove 3312, and the first stopper groove 14 is far from the first clip groove 11. The second clamp member 20 further includes a second limiting groove 24 formed by recessing the groove wall of the second mounting groove 3322, the second limiting groove 24 is far away from the second clamp groove 21, and the first limiting groove 14 and the second limiting groove 24 are folded to form an annular clamping groove.

The first mounting groove 3312 and the second mounting groove 3322 are closed to form a second mounting hole, and the first stopper groove 14 and the second stopper groove 24 are closed to form a clamping groove in the second mounting hole. Correspondingly, the surface of the periphery wall of the branch pipeline 80 is provided with an annular convex rib 81, the branch pipeline 80 is positioned in the second assembling hole, and then the annular convex rib 81 is limited in the clamping groove to lock the axial installation position of the branch pipeline 80, so that the positioning effect is good.

In an embodiment, the first clamp member 10 and/or the second clamp member 20 are provided with a positioning mark 19, and the positioning mark 19 is far away from the opening of the second assembling hole to mark the installation position of the branch pipeline 80 inserted into the main pipeline 70. For example, the positioning mark 19 is provided as a positioning groove or a positioning boss on the surface of the first collar member 10 and/or the second collar member 20, so as to facilitate the user to measure the set position of the annular rib 81 in the branch pipeline 80.

In an embodiment, the first clip member 10 includes a first insertion portion 15 disposed at a free end, the second clip member 20 includes a second insertion portion 25 disposed at the free end, the first insertion portion 15 is inserted into the second insertion portion 25, and the first insertion portion 15 and the second insertion portion 25 are far away from the interface connector 30.

The first and second mating parts 15 and 25 are provided with pin hole structures that mate with each other to achieve mating alignment. For example, the first socket 15 includes a first positioning pin 152 and a first positioning hole 151, and the first positioning pin 152 and the first positioning hole 151 are respectively located at both 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 both sides of the second mounting groove 3322. When the first clip member 10 is folded to the second clip 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 insertion positioning precision is high. The fastener 40 locks the first locking portion 17 and the second locking portion 27, and the fastener 40 performs only a locking function, so that the connection strength is high.

The branch joint assembly is widely used at present, and other structures and principles are the same as the prior art, and are not described in detail here.

Claims

1. A branch joint component is characterized by comprising an interface connecting piece, a first elastic piece, a second elastic piece, a first clamp piece and a second clamp piece, wherein the first clamp piece comprises a first clamp groove and a first mounting groove which are arc-shaped;

2. The branch joint assembly according to claim 1, wherein the sealing surface curves away from the mounting hole in two directions to form a smooth curved surface.

3. The branch joint assembly according to claim 2, wherein a radius of curvature of the sealing surface is greater than or equal to a radius of the first fitting hole.

4. The branch joint assembly according to claim 1, wherein the second resilient member extends beyond the sealing surface.

5. The branch joint assembly according to claim 1, wherein the mounting hole includes a tapered hole wall, and the second resilient member abuts against the tapered wall of the mounting hole and is located near an end of the tapered bottom of the mounting hole.

6. The breakout joint assembly of claim 1, wherein the mounting bore comprises a first stepped bore and a second stepped bore, the first stepped bore having a smaller bore diameter than the second stepped bore, the second stepped bore intersecting the sealing surface, the second resilient member being mounted to the second stepped bore.

7. The branch joint assembly according to claim 1, wherein the first and second clamp members are hingedly connected, a free end of the first clamp member and a free end of the second clamp member are folded together and clamp the interface connector, the first mounting groove is formed at the free end of the first clamp member, the second mounting groove is formed at the free end of the second clamp member, and the branch joint assembly further comprises a fastening member that lockingly connects the free ends of the first and second clamp members.

8. The branch joint assembly according to claim 7, wherein the first clamp member includes a first abutment portion recessed along a free end surface, the first abutment portion intersecting the first mounting slot, the second clamp member includes a second abutment portion recessed along a free end surface, the second abutment portion intersecting the second mounting slot, the first abutment portion and the second abutment portion being brought together to receive and define the interface connection.

9. The branch joint assembly according to claim 7, wherein the first collar member further includes a first stopper groove formed by recessing a groove wall of the first mounting groove, the first stopper groove being remote from the first collar groove, the second collar member further includes a second stopper groove formed by recessing a groove wall of the second mounting groove, the second stopper groove being remote from the second collar groove, the first stopper groove and the second stopper groove being closed to form an annular catch groove.

10. The branch joint assembly of claim 7, wherein the first clip member includes a first mating portion disposed at the free end, the second clip member includes a second mating portion disposed at the free end, the first mating portion is mated with the second mating portion, and the first mating portion and the second mating portion are distal from the interface connector.