CN213839913U

CN213839913U - Sealing water pipe joint assembly for central air conditioner

Info

Publication number: CN213839913U
Application number: CN202022979617.6U
Authority: CN
Inventors: 吴小芳; 陈贤军; 俞军; 杨文江
Original assignee: Xinchang Hongli Refrigeration Co ltd
Current assignee: Xinchang Hongli Refrigeration Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-30
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a central air conditioning is with sealed water pipe coupling subassembly, connect including first joint and second, be equipped with the screw thread end on the first joint and keep off the ring, be equipped with the swivel nut of being connected with the screw thread end cooperation on the second connects, keep off that ring and swivel nut are inconsistent, be equipped with the inner seal circle between swivel nut and the screw thread end, form the inner ring groove between second joint and the swivel nut, be equipped with the bellying corresponding with the inner ring groove on the inner seal circle, the screw thread end supports the inner seal circle and restricts the bellying and deviate from the inner ring groove. The utility model discloses novel structure, the butt joint is convenient, connects reliably, and the leakproofness is strong.

Description

Sealing water pipe joint assembly for central air conditioner

Technical Field

The utility model belongs to the technical field of air conditioner pipeline accessory, especially, relate to central air conditioning is with sealed water pipe coupling subassembly.

Background

In the pipe system of the central air conditioner, the water pipe connector is a common connecting fitting, and the prior water pipe connector for the central air conditioner has the following defects in the use process: 1. the butt joint operation is troublesome, and a matched installation tool is required, so that the operation is inconvenient; 2. the butt joint has poor sealing performance, is easy to leak and needs frequent maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an solve the above-mentioned technical problem who exists among the prior art, provide central air conditioning with sealed water pipe coupling subassembly, novel structure, the butt joint is convenient, connects reliably, and the leakproofness is strong.

In order to solve the technical problem, the utility model discloses a following technical scheme:

central air conditioning is with sealed water pipe joint assembly connects its characterized in that including first joint and second: the first joint is provided with a threaded end and a baffle ring, the second joint is provided with a threaded sleeve which is matched and connected with the threaded end, the baffle ring is abutted against the threaded sleeve, an inner sealing ring is arranged between the threaded sleeve and the threaded end, an inner annular groove is formed between the second joint and the threaded sleeve, the inner sealing ring is provided with a bulge corresponding to the inner annular groove, and the threaded end abuts against the inner sealing ring and limits the bulge from falling out of the inner annular groove; the joint assembly is novel in structure, convenient to butt, reliable in connection and high in sealing performance.

Further, be equipped with first outer annular groove on the fender ring, be equipped with the outer annular groove of second on the swivel nut, form the installation annular between the outer annular groove of second and the first outer annular groove, the installation annular inslot cover is equipped with the external seal circle, and after first joint and second joint butt joint, the external seal circle is established to the junction cover between them, blocks off the gap of this junction, plays sealed effect, and the external seal circle is spacing in the installation annular groove, is difficult to the lateral sliding, and the installation is reliable.

Furthermore, the two sides of the outer sealing ring are provided with the extending parts, so that the sealing range of the outer sealing ring is enlarged, and the sealing effect is improved.

Furthermore, a throttle plate is arranged in the second joint, and throttle holes are uniformly distributed on the throttle plate, so that the throttle effect is achieved, the flow velocity of fluid is reduced, and the impact effect of the fluid on the second joint and the first joint is reduced.

Furthermore, a U-shaped reinforcing strip is arranged between the second joint and the throttle plate, the firmness of the throttle plate in the second joint is improved, the throttle plate is not easy to loosen, the reliability is high, the U-shaped reinforcing strip supports the throttle plate, the throttle plate is prevented from deforming due to long-term fluid impact, and the structural stability of the throttle plate is improved.

Furthermore, a triangular reinforcing rib is arranged between the second connector and the screw sleeve, so that the connection strength between the second connector and the screw sleeve is improved, and the overall structure is more reliable.

Furthermore, the outer end of the first joint is provided with a first flaring portion, the outer end of the second joint is provided with a second flaring portion, and when the water pipe is installed, the water pipe can be conveniently inserted into the first joint and the second joint through the arrangement of the first flaring portion and the second flaring portion, so that the connection convenience is improved.

Furthermore, all be equipped with the sealing glue layer in first flaring portion and the second flaring portion, improved joint strength and the leakproofness of first joint, second joint and water piping connection department.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

the inner sealing ring is flexible to disassemble and assemble and convenient to replace, the bulge is clamped into the inner annular groove, the inner sealing ring is quickly positioned in the screw sleeve, after the threaded end is connected with the screw sleeve, the threaded end props against the inner sealing ring, the bulge cannot freely fall out of the inner annular groove, and the inner sealing ring blocks a gap at the joint of the screw sleeve and the threaded end, so that the sealing effect is improved; after the first joint and the second joint are in butt joint, an outer sealing ring is sleeved at the joint of the first joint and the second joint to seal a gap at the joint, so that a sealing effect is achieved, the outer sealing ring is limited in the mounting ring groove, transverse sliding is not easy to occur, and mounting is reliable; the inner sealing ring is matched with the outer sealing ring to play a role in double sealing inside and outside, the sealing is reliable, and the water leakage phenomenon is prevented.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a sealed water pipe joint assembly for a central air conditioner according to the present invention;

FIG. 2 is a schematic view of the connection between the second joint and the throttle plate according to the present invention;

FIG. 3 is a schematic structural view of the first joint and the sealant layer of the present invention;

FIG. 4 is a schematic structural view of a second joint according to the present invention;

FIG. 5 is a schematic structural view of a first joint according to the present invention;

fig. 6 is a schematic structural view of the outer seal ring in the present invention;

fig. 7 is a schematic structural view of the middle inner seal ring of the present invention.

In the figure: 1-a first linker; 2-a second linker; 3-a first flared portion; 4-a second flared portion; 5-sealing the adhesive layer; 6-a throttle plate; 7-orifice; 8-U-shaped reinforcing strips; 9-a threaded end; 10-a baffle ring; 11-thread sleeve; 12-a first outer annular groove; 13-a second outer ring groove; 15-outer sealing ring; 16-an extension; 17-inner sealing ring; 18-inner ring groove; 19-a boss; 20-triangular reinforcing rib.

Detailed Description

As shown in fig. 1 to 7, for the utility model discloses central air conditioning is with sealed water pipe joint assembly, including first joint 1 and second joint 2, the outer end of first joint 1 is equipped with first flaring portion 3, and the outer end of second joint 2 is equipped with second flaring portion 4, and when the installation water pipe, the setting of first flaring portion 3, second flaring portion 4 is convenient for insert the water pipe in first joint 1, the second joint 2, has improved the convenience of connecting. All be equipped with sealing glue layer 5 in first flaring portion 3 and the second flaring portion 4, sealing glue layer 5 can be formed by the coating of polyurethane glue, has improved joint strength and the leakproofness of first joint 1, second joint 2 and water piping connection department. Be equipped with throttle plate 6 in the second connects 2, evenly distributed has orifice 7 on the throttle plate 6, and the aperture of orifice 7 is 2 ~ 8mm, plays the throttle effect, reduces fluidic velocity of flow, reduces the impact effect of fluid to second joint 2, first joint 1. Be equipped with U type between second joint 2 and throttle plate 6 and consolidate strip 8, improved the fastness that throttle plate 6 installed in second joint 2, be difficult to not hard up, the reliability is high, and U type is consolidated strip 8 and is given throttle plate 6 to support, resists throttle plate 6 and takes place to warp because of receiving fluid impact for a long time, has improved throttle plate 6's structural stability.

Be equipped with the screw thread end 9 and keep off ring 10 on the first joint 1, be equipped with on the second joint 2 with the screw thread end 9 cooperation be connected swivel nut 11, the 11 inner walls of swivel nut are equipped with the internal thread, the outer wall of screw thread end 9 is equipped with the external screw thread, keep off ring 10 and the tight conflict of swivel nut 11 behind both spiro unions, the gap is little, the leakproofness is strong. Be equipped with first outer annular groove 12 on the fender ring 10, be equipped with second outer annular groove 13 on the swivel nut 11, form the installation annular between second outer annular groove 13 and the first outer annular groove 12, the installation annular endotheca is equipped with outer sealing ring 15, outer sealing ring 15 can be made by thermoplastic elastomer or rubber, certain elasticity has, after first joint 1 and second joint 2 butt joint, overlap outer sealing ring 15 in junction between them, seal the gap of this junction, play sealed effect, outer sealing ring 15 is spacing in the installation annular groove, be difficult to lateral sliding, the installation is reliable. The two sides of the outer sealing ring 15 are provided with the extending parts 16, so that the sealing range of the outer sealing ring 15 is enlarged, and the sealing effect is improved.

An inner sealing ring 17 is arranged between the screw sleeve 11 and the threaded end 9, an inner annular groove 18 is formed between the second connector 2 and the screw sleeve 11, a protruding portion 19 corresponding to the inner annular groove 18 is arranged on the inner sealing ring 17, the threaded end 9 abuts against the inner sealing ring 17 and limits the protruding portion 19 to be separated from the inner annular groove 18, the inner sealing ring 17 is flexible to disassemble and assemble and convenient to replace, the protruding portion 19 is clamped into the inner annular groove 18, rapid positioning of the inner sealing ring 17 in the screw sleeve 11 is achieved, after the threaded end 9 is connected with the screw sleeve 11, the threaded end 9 abuts against the inner sealing ring 17, the protruding portion 19 cannot be separated from the inner annular groove 18 freely, the inner sealing ring 17 blocks a gap at the joint of the screw sleeve 11 and the threaded end 9, the sealing effect is improved, the water leakage phenomenon is prevented, the outer sealing effect of the outer sealing ring 15 is matched, double sealing is achieved inside and outside, and reliable in sealing. A triangular reinforcing rib 20 is arranged between the second connector 2 and the threaded sleeve 11, so that the connection strength between the second connector 2 and the threaded sleeve 11 is improved, and the overall structure is more reliable.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.

Claims

1. Central air conditioning is with sealed water pipe joint assembly connects its characterized in that including first joint and second: the improved nut connector is characterized in that a threaded end and a retaining ring are arranged on the first connector, a threaded sleeve which is connected with the threaded end in a matched mode is arranged on the second connector, the retaining ring is abutted to the threaded sleeve, an inner sealing ring is arranged between the threaded sleeve and the threaded end, an inner annular groove is formed between the second connector and the threaded sleeve, a protruding portion corresponding to the inner annular groove is arranged on the inner sealing ring, and the threaded end abuts against the inner sealing ring and limits the protruding portion to be separated from the inner annular groove.

2. The sealed water pipe joint assembly for a central air conditioner according to claim 1, wherein: the stop ring is provided with a first outer ring groove, the threaded sleeve is provided with a second outer ring groove, an installation ring groove is formed between the second outer ring groove and the first outer ring groove, and an outer sealing ring is sleeved in the installation ring groove.

3. The sealed water pipe joint assembly for a central air conditioner according to claim 2, wherein: extension parts are arranged on two sides of the outer sealing ring.

4. The sealed water pipe joint assembly for a central air conditioner according to claim 1, wherein: and throttle plates are arranged in the second joint, and throttle holes are uniformly distributed on the throttle plates.

5. The sealed water pipe joint assembly for a central air conditioner according to claim 4, wherein: and a U-shaped reinforcing strip is arranged between the second joint and the throttle plate.

6. The sealed water pipe joint assembly for a central air conditioner according to claim 1, wherein: and a triangular reinforcing rib is arranged between the second joint and the screw sleeve.

7. The sealed water pipe joint assembly for a central air conditioner according to claim 1, wherein: the outer end of the first joint is provided with a first flaring portion, and the outer end of the second joint is provided with a second flaring portion.

8. The sealed water pipe joint assembly for a central air conditioner according to claim 7, wherein: and sealing glue layers are arranged in the first flared part and the second flared part.