CN217177811U

CN217177811U - General type male joint structure

Info

Publication number: CN217177811U
Application number: CN202220576008.2U
Authority: CN
Inventors: 童仕达
Original assignee: NINGBO YINZHOU HENGXING AIR CONDITIONING PARTS FACTORY
Current assignee: NINGBO YINZHOU HENGXING AIR CONDITIONING PARTS FACTORY
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-12
Anticipated expiration: 2032-03-16

Abstract

The utility model relates to the technical field of air conditioner connectors, in particular to a universal male connector structure, which comprises a copper pipe connector and a male connector; the copper pipe joint is fixedly connected to the male joint, and the interior of the copper pipe joint is communicated with the interior of the male joint; a valve core group is arranged between the copper pipe joint and the male joint; a limiting part for limiting the valve core group is arranged in the connecting side of the copper pipe connector connected with the male connector; one end of the valve core group is abutted against the limiting part, and the other end of the valve core group is abutted against the inside of the male joint and seals the pipeline inlet of the male joint. The utility model has the advantages that one end of the copper pipe joint is directly connected with the male joint, and the other end of the copper pipe joint can be directly connected with the air conditioner interface, thereby improving the convenience of connection; meanwhile, the valve can be used as a communication valve to further increase the universality of use.

Description

General type male joint structure

Technical Field

The utility model relates to an air conditioner connector technical field especially relates to a public joint structure of general type.

Background

The conventional air conditioner indoor and outdoor unit connecting pipe (for example, a quick connecting pipe for an air conditioner indoor and outdoor unit disclosed in chinese patent publication No. CN 103629465A) includes a male joint and a female joint, and the connection of the male joint and the female joint enables the end of the male joint to push open a valve sleeve in the female joint and a valve rod in the female joint to push open a valve rod of the male joint, thereby enabling the inside of the male joint and the inside of the female joint to be communicated.

When the existing male connector is connected with an air conditioner interface, the existing male connector is screwed and fixedly connected through threads, and the size of the male connector needs to be correspondingly matched with that of the air conditioner interface; in the installation process, the situation that the male connector of the user is not matched with the air conditioner interface often occurs, and the male connector with the corresponding size needs to be reconfigured to be connected and installed, so that the time for installation is greatly prolonged, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve is that current male joint matching degree requires high and the poor technical problem of commonality, provides a make things convenient for male joint direct welding and promote the general type male joint structure of commonality as the intercommunication valve.

For the purpose of the utility model, the following technical scheme is adopted to realize:

a general male joint structure comprises a copper pipe joint and a male joint; the copper pipe joint is fixedly connected to the male joint, and the interior of the copper pipe joint is communicated with the interior of the male joint; a valve core group is arranged between the copper pipe joint and the male joint; a limiting part for limiting the valve core group is arranged in the connecting side of the copper pipe connector connected with the male connector; one end of the valve core group is abutted against the limiting part, and the other end of the valve core group is abutted against the inside of the male joint and seals the pipeline inlet of the male joint. The copper pipe joint is directly connected with the male joint, so that the structure is conveniently and directly welded on an air conditioner interface, and the convenience of connection is improved; meanwhile, the valve can be used as a communicating valve to be applied to other products, the application range is enlarged, and the universality is improved.

Preferably, the limiting part is an annular convex surface protruding towards the inner side of the copper pipe joint. The valve core group can be directly limited through the annular convex surface, and the valve core group does not need to be connected with a copper pipe joint after being connected and limited through other parts.

Preferably, the aperture of the copper pipe joint is gradually reduced from the limiting part to the outer side direction of the copper pipe joint; and the aperture from the outer side of the copper pipe joint to the outer end of the copper pipe joint is kept unchanged. The aperture through the outer end is convenient for carry out direct weld with the air conditioner interface.

Preferably, the copper pipe joint is made of red copper material and welded on the male joint. The red copper material is convenient for better welding and improves the welding connection strength.

Preferably, a sealing element limiting cavity is arranged on the end face of a male connecting part connected with the female connector on the male connector; and a sealing element is arranged in the sealing element limiting cavity. Set up the sealing member through the spacing intracavity of sealing member and can lie in the female joint when connecting, can make the both sides of sealing member support respectively on male joint and female joint, make both inseparabler, promote the leakproofness that both connect, prevent to leak.

Preferably, the sealing element limiting cavity is in a shape of an annular groove; the sealing element is in an annular shape matched with the limiting cavity of the sealing element; the inner side wall of the sealing element limiting cavity in the shape of the annular groove is lower than the outer side wall of the sealing element limiting cavity, and the sealing element is higher than the inner side wall of the sealing element limiting cavity and lower than the outer side wall of the sealing element limiting cavity. Above-mentioned structure is convenient for when the sealing member is connected between male joint and female joint, better plays sealed effect.

Preferably, the sealing element is a sealing ring made of stainless steel material; the seal comprises a first bevel and a second bevel; the first inclined plane inclines from inside to outside from top to bottom; the second inclined plane inclines from inside to outside from bottom to top, and the outer end of the first inclined plane is connected with the outer end of the second inclined plane. The inner ends of the two sides of the sealing element can be respectively abutted to the male connector and the female connector through the first inclined surface and the second inclined surface, so that the male connector and the female connector are tightly connected, and the sealing effect when the male connector and the female connector are connected is ensured.

Preferably, the valve core group comprises a valve rod limiting plate, a valve rod, a valve head and a spring; the outer ring of the valve rod limiting plate abuts against a limiting part which is in an annular convex surface in the copper pipe joint; a valve rod through hole is formed in the center of the valve rod limiting plate; the valve rod penetrates through the valve rod through hole; the valve head is connected to the end part of the valve rod and is propped against the inside of the male joint, and a pipeline inlet of the male joint is sealed; the spring is sleeved on the valve rod and is located between the valve rod limiting plate and the valve head. And the conduction between the male joint and the female joint is realized through the valve core group.

Preferably, the valve rod limiting plate comprises a plurality of support legs, the included angle between any two adjacent support legs is the same, and the bottom of each support leg abuts against a limiting part which is in an annular convex surface in the copper pipe joint; the valve rod is sleeved with a matching limiting plate; the matching limiting plate is connected with the inner end of the valve head, and the spring is positioned between the valve rod limiting plate and the matching limiting plate; a plurality of matching supporting rods are arranged on the matching limiting plate; the included angle between any two adjacent matched supporting rods is the same. Through the cooperation between valve rod limiting plate and the cooperation limiting plate, can carry on spacingly to the spring, the better removal that moves of the valve rod of being convenient for.

Preferably, the end of the valve head is coated with a sealing layer. The sealing effect between the valve head and the female joint when the valve head is connected can be further improved through the sealing layer.

Drawings

Fig. 1 is a schematic structural diagram of a general male connector structure of the present invention.

Fig. 2 is a cross-sectional view of the universal male connector structure of the present invention.

Fig. 3 is an exploded view of the universal male connector structure of the present invention.

Fig. 4 is a plan view of the sealing member of the present invention.

Wherein: 1-copper pipe joints; 10-a connecting side; 11-the outside of the copper pipe joint; 12-the outer end of the copper pipe joint; 100-a limiting part; 2-a male connector; 201-male connector end face; 3-valve core group; 30-valve rod limiting plate; 301-valve stem through hole; 302-a leg; 31-a valve stem; 32-a valve head; 33-a spring; 34-matching the limit plate; 341-mating struts; 35-a sealing layer; 4-a sealing element limiting cavity; 5-a seal; 51-a first bevel; 52-second slope.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1 to 2, a general male connector structure includes a copper pipe connector 1 and a male connector 2; copper pipe joint 1 adopts red copper material to make, promotes copper pipe joint 1's connectivity through red copper material, and the better welding with the air conditioner interface of being convenient for further promotes welding strength and welding leakproofness. Copper pipe joint 1 is through direct welded mode fixed connection on male joint 2, further promotes joint strength and sealed effect. The inside of the copper pipe joint 1 is communicated with the inside of the male joint 2, so that the inside of the copper pipe joint and the inside of the male joint are communicated. When the air conditioner is used, the outer end of the copper pipe joint 1 is directly welded to the air conditioner interface, the existing metal connecting joint structure and the air conditioner interface do not need to be matched correspondingly, and convenience and universality of installation and connection are greatly improved. A valve core group 3 for communicating the male joint 2 and the female joint is arranged between the copper pipe joint 1 and the male joint 2; a limiting part 100 for limiting the valve core group 3 is arranged in a connecting side 10 of the copper pipe joint 1 connected with the male joint 2; one end of the valve core group 3 is abutted against the limiting part 100, the other end of the valve core group 3 is abutted against the male connector 2, and the pipeline inlet of the male connector 2 is sealed, when the valve core group 3 is connected with the male connector 2 through the female connector, the female connector can open the valve core group 3 in the male connector 2, so that the pipeline inlet of the male connector 2 is opened, and the female connector is communicated with the inside of the male connector 2. The copper pipe joint 1 replaces the existing metal connecting joint and is directly welded on the male joint 2, so that the connecting strength with the male joint 2 is ensured, meanwhile, the copper pipe joint 1 can be directly welded on an air conditioner interface conveniently, the situation that the size of the male joint structure is not matched with that of the air conditioner interface can not occur, and the male joint structure which is correspondingly matched does not need to be purchased or customized, so that the connecting convenience is further improved; and can also be used as a communicating valve to be applied to other products, thereby improving the universality of use.

As shown in fig. 2, the stopper portion 100 is an annular convex surface that protrudes toward the inside of the copper pipe joint 1. The valve core group 3 can be directly limited through the annular convex surface, and the valve core group does not need to be connected with the copper pipe joint 1 after being connected through other parts. The aperture of the copper pipe joint 1 is gradually reduced from the limiting part 100 to the outer side 11 of the copper pipe joint; the aperture of the flaring shape is convenient for better realizing conduction. The bore diameter from the outer side 11 of the copper nipple to the outer end 12 of the copper nipple remains constant. Direct welding with the connecting tube is facilitated by the bore diameter of the outer end 12 of the copper nipple.

As shown in fig. 2, a sealing element limiting cavity 4 is arranged on a male joint end surface 201, connected with the female joint, of the male joint 2; and a sealing element 5 is arranged in the sealing element limiting cavity 4. Set up the sealing member in the spacing chamber 4 of sealing member and can lie in the female joint when connecting, can make the both sides of sealing member 5 support respectively on male joint 2 and female joint, make both inseparabler, promote the leakproofness that both connect, prevent partly leakage.

The sealing element limiting cavity 4 is in a shape of an annular groove; the sealing element 5 is in a ring shape matched with the sealing element limiting cavity 4. The annular groove shape is convenient for the male connector 2 to be comprehensively connected with the female connector, and the overall sealing effect of the male connector and the female connector is improved. The inner side wall of the sealing element limiting cavity 4 in the shape of the annular groove is lower than the outer side wall of the sealing element limiting cavity 4, and the sealing element 5 is higher than the inner side wall of the sealing element limiting cavity 4 and lower than the outer side wall of the sealing element limiting cavity 4. When being convenient for sealing member 5 to connect between male joint 2 and female joint, be convenient for make the outer end of sealing member 5 support on female joint's inner wall to make male joint 2 and female joint realize sealed, and then reach better sealed effect.

As shown in fig. 4, the seal 5 includes a first slope 51 and a second slope 52; the first inclined surface 51 is inclined from inside to outside from up to down; the second inclined plane 52 is inclined from inside to outside from bottom to top, and the outer end of the first inclined plane 51 is connected with the outer end of the second inclined plane 52. The inner ends of the two sides of the sealing element 5 can be respectively abutted against the male connector 2 and the female connector through the first inclined surface 51 and the second inclined surface 52, so that the sealing element 5 is tightly connected between the male connector 2 and the female connector, and the sealing effect when the male connector 2 is connected with the female connector is ensured. The sealing element 5 is a sealing ring made of stainless steel material. Increase hard seal on original soft seal basis through stainless steel material, through the combination of soft seal and hard seal, promote sealed effect greatly.

As shown in fig. 3, the valve core set 3 includes a valve rod limit plate 30, a valve rod 31, a valve head 32 and a spring 33; the outer ring of the valve rod limiting plate 30 is abutted against a limiting part 100 which is in an annular convex surface in the copper pipe joint 1; can carry on spacingly with valve rod limiting plate 30 through copper union 1, need not to carry on spacingly through other connecting pieces, save the design and the cost of other connecting pieces, make things convenient for the follow-up and connecting pipe direct weld of copper union 1. A valve rod through hole 301 is formed in the center of the valve rod limiting plate 30; the valve rod 31 penetrates through the valve rod through hole 301; the valve head 32 is connected to the end of the valve rod 31, the valve head 32 is propped in the male connector 2, and the pipeline inlet of the male connector 2 is sealed; the spring 33 is fitted over the valve stem 31 between the valve stem stopper plate 30 and the engagement stopper plate 34. And the communication between the male connector 2 and the female connector is realized through the valve core group.

The valve rod limiting plate 30 includes three downward-inclined legs 302, and an included angle between any two adjacent legs 302 is the same and is 120 °. The bottom of each supporting leg 302 is abutted against the limiting part 100 which is in an annular convex surface in the copper pipe joint 1; can carry out spacingly to valve rod limiting plate 30, prevent that valve rod limiting plate 30 from carrying out axial displacement to the displacement distance of control valve rod 31 that can be better. The valve rod 31 is sleeved with a matching limit plate 34; the matching limit plate 34 is connected with the inner end of the valve head 32, and the spring 33 is positioned between the valve rod limit plate 30 and the matching limit plate 34; four matching support rods 341 are arranged on the matching limit plate 34; the included angle between any two adjacent matching support rods 341 is the same and is 90 degrees. Through the cooperation between valve rod limiting plate 30 and the cooperation limiting plate 34, can carry on spacingly to spring 33, be convenient for better the removing of valve rod 31. The end of the valve head 32 is coated with a sealing layer 35. The sealing effect between the valve head and the female connector when connected can be further improved by the sealing layer 35.

To sum up, the utility model has the advantages that the copper pipe joint 1 is directly welded on the male joint 2, so that the copper pipe joint 1 can be directly welded on the air conditioner interface, the convenience of connection is improved, and the copper pipe joint can be used as a communicating valve to be applied to other products, and the universality of use is improved; this structure still sets up sealing member 5 through the spacing chamber of sealing member 4 and can be when being connected with female joint, can make the both sides of sealing member 5 support respectively on male joint 2 and female joint, makes both inseparabler to realize the hard seal between male joint 2 and the female joint, promote the leakproofness when both connect, prevent the leakage.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. A general male joint structure is characterized by comprising a copper pipe joint (1) and a male joint (2); the copper pipe joint (1) is fixedly connected to the male joint (2), and the interior of the copper pipe joint (1) is communicated with the interior of the male joint (2); a valve core group (3) is arranged between the copper pipe joint (1) and the male joint (2); a limiting part (100) for limiting the valve core group (3) is arranged in a connecting side (10) of the copper pipe joint (1) connected with the male joint (2); one end of the valve core group (3) is abutted against the limiting part (100), and the other end of the valve core group (3) is abutted against the male joint (2) and seals the pipeline inlet of the male joint (2).

2. The structure of a universal male joint according to claim 1, wherein the position-limiting portion (100) is an annular convex surface protruding toward the inside of the copper pipe joint (1).

3. The structure of the universal male joint as claimed in claim 2, wherein the diameter of the hole on the copper pipe joint (1) is gradually reduced from the limiting part (100) to the outer side (11) of the copper pipe joint; and the bore diameter from the outer side (11) of the copper pipe joint to the outer end (12) of the copper pipe joint is kept unchanged.

4. The universal male joint structure according to claim 1, wherein the copper pipe joint (1) is made of red copper material, and the copper pipe joint (1) is welded on the male joint (2).

5. The universal male joint structure according to claim 1, wherein a sealing element limiting cavity (4) is arranged on a male joint end surface (201) of the male joint (2) connected with the female joint; and a sealing element (5) is arranged in the sealing element limiting cavity (4).

6. The male joint structure of the universal type according to claim 5, wherein the seal retaining cavity (4) is in the form of an annular groove; the sealing element (5) is in a ring shape matched with the sealing element limiting cavity (4); the inner side wall of the sealing element limiting cavity (4) in the shape of the annular groove is lower than the outer side wall of the sealing element limiting cavity (4), and the sealing element (5) is higher than the inner side wall of the sealing element limiting cavity (4) and lower than the outer side wall of the sealing element limiting cavity (4).

7. The universal male joint structure according to claim 5, wherein the seal (5) is a sealing ring made of stainless steel material; the seal (5) comprises a first bevel (51) and a second bevel (52); the first inclined plane (51) inclines from inside to outside from top to bottom; the second inclined plane (52) inclines from inside to outside from bottom to top, and the outer end of the first inclined plane (51) is connected with the outer end of the second inclined plane (52).

8. The common type male joint structure according to claim 2, wherein the spool group (3) comprises a valve stem position-limiting plate (30), a valve stem (31), a valve head (32) and a spring (33); the outer ring of the valve rod limiting plate (30) abuts against a limiting part (100) which is in an annular convex surface in the copper pipe joint (1); a valve rod through hole (301) is formed in the center of the valve rod limiting plate (30); the valve rod (31) penetrates through the valve rod through hole (301); the valve head (32) is connected to the end part of the valve rod (31), and the valve head (32) is propped against the inside of the male connector (2) and seals a pipeline inlet of the male connector (2); the spring (33) is sleeved on the valve rod (31).

9. The universal male joint structure according to claim 8, wherein the valve stem limiting plate (30) comprises a plurality of support legs (302), the included angle between any two adjacent support legs (302) is the same, and the bottom of each support leg (302) abuts against the limiting part (100) which is in the shape of the annular convex surface in the copper pipe joint (1); a matching limit plate (34) is sleeved on the valve rod (31); the matching limiting plate (34) is connected with the inner end of the valve head (32), and the spring (33) is positioned between the valve rod limiting plate (30) and the matching limiting plate (34); a plurality of matching supporting rods (341) are arranged on the matching limiting plate (34); the included angle between any two adjacent matching support rods (341) is the same.

10. The universal male connector structure according to claim 9, wherein the end of the valve head (32) is coated with a sealing layer (35).