CN218671069U

CN218671069U - Prevent CQC joint of leakage

Info

Publication number: CN218671069U
Application number: CN202223083840.8U
Authority: CN
Inventors: 朱建敏; 郭卫平; 朱骥芬
Original assignee: Waterfront Beijing Great Automotive Components Co ltd
Current assignee: Waterfront Beijing Great Automotive Components Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-21
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to a CQC connects technical field, in particular to prevent CQC who leaks connects, connect the adapter between female joint, sub-joint including female joint, sub-joint and lock, female joint, adapter and sub-joint cup joint in order, the centre gripping is provided with the sealing washer between female joint and the adapter, the sub-joint passes the adapter and contacts with female joint, makes the sealing washer is enclosed to close spacing in the chamber ring that forms is enclosed to form between female joint, sub-joint, adapter, and the sub-joint is the joint in order, and the sub-joint runs through behind the adapter and is inconsistent with the female joint inner wall, can extrude the sealing washer spacing in the chamber ring that forms is enclosed to form between female joint, sub-joint, adapter, and sub-joint, female joint contact form a sealed contact surface, can play sealed effect tentatively for reduce the sealing washer and connect interior fluid area of contact, reduce the possibility that the sealing washer became invalid, prolong the life of sealing washer.

Description

Prevent CQC joint of leakage

Technical Field

The utility model relates to a CQC connects technical field, in particular to prevent CQC who leaks and connect.

Background

The CQC joint is a part for connecting a water pipe, and the water pipe joint can be divided into an external thread end connection type water pipe joint, a clamping sleeve type water pipe joint and a self-fixing type water pipe joint according to the using mode, most of the CQC joints are formed by die-casting zinc alloy materials, the surfaces of the CQC joints are plated with zinc, ground sand or chrome, and the CQC joint has the advantages of compact structure, no air holes and high strength;

in patent publication No. CN215568793U, a VDA elbow joint structure is disclosed, and the technical scheme is characterized in that the VDA elbow joint structure comprises a fixing portion and a connecting portion, wherein the fixing portion is provided with a clamping structure, an adjusting component which is convenient for adjusting the angle position of the connecting portion relative to the fixing portion is arranged between the fixing portion and the connecting portion, the adjusting component comprises an inserting portion and a plurality of groups of buckling structures, the inserting portion is integrally formed in the connecting portion and inserted in an inner cavity of the fixing portion, the buckling structures are arranged in the inserting portion and connected with the fixing portion in a buckling mode, the buckling structures of the groups are uniformly distributed around the fixing portion, and an included angle is formed between the inserting portion and the connecting portion. The utility model discloses realize conveniently adjusting connecting portion and fixed part and the solid structure position of card, realize adjusting the tube coupling orientation of connecting portion, same product can realize 90 °, 180 °, 270 °, 360 four angle switch combinations, increase CQC pipe joint application scope, therefore, current CQC joint technique is comparatively ripe, nevertheless the sealing ring exposes in fluid passage, under long-term fluid scouring action and the interior impurity corrosion of fluid effect, lead to the sealing ring to become invalid very easily, lose with fine and close function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent CQC joint of leakage solves the sealing ring long-term use in the current CQC joint, the problem of easy inefficacy.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a prevent CQC connects of leakage, includes that female joint, son connect and the lock connects the adapter between female joint, son joint, female joint, adapter cup joint with the son in order, the centre gripping is provided with the sealing washer between female joint and the adapter, the son connects and passes the adapter and contact with the female joint for the sealing washer is enclosed the spacing cavity intra-annular that encloses between female joint, son joint, adapter and closes the formation.

Has the advantages that: female joint, adapter and sub-joint in order, the sub-joint runs through behind the adapter and contradicts with the female joint inner wall, can extrude the sealing washer spacing in the female joint, the sub-joint, the cavity ring that forms is enclosed to close between the adapter, and the sub-joint, the female joint contacts and forms a sealed contact surface, can play preliminary sealed effect, be used for reducing the sealing washer and connect the interior fluidic area of contact, reduce the possibility that the sealing washer became invalid, the life of extension sealing washer, and then ensured CQC connects prevents leaking the ability.

Further, an expansion opening is formed in the inner edge of one end of the female connector, the radius of the expansion opening is the same as that of the sealing ring, and at least one clamping groove is formed in the outer wall of the expansion opening.

Furthermore, the outer wall of the part of the joint head positioned in the female joint is provided with at least one through groove, the inner edge of one side of the through groove is fixed with a clamping plate, the outer side of one end of the clamping plate far away from the root of the clamping plate is provided with a protruding part, and the protruding part is lapped in the corresponding clamping groove.

Further, the partial outer wall that the joint exposes female joint is provided with two at least scarce grooves, it has the clamp to link up jointly between the scarce groove, the inboard edge of clamp is outstanding the joint internal diameter setting.

Further, the sub-joint outside is provided with fender ring and concave ring side by side, wherein, keep off the ring and offset with a side end face of adapter, the concave ring sets up with the clamp is corresponding.

Furthermore, a plurality of convex rings are arranged on the outer wall of one end of the female joint far away from the adapter at equal intervals.

Drawings

Fig. 1 is an external view of a leakage-proof CQC connector of the present invention;

fig. 2 is a schematic view of a detachment structure of a leakage-proof CQC joint of the present invention;

fig. 3 is a side cut-away view of a leakage-proof CQC connector of the present invention;

fig. 4 is an enlarged view of the structure at a position a in fig. 3 of the leakage-proof CQC connector of the present invention.

1, female joint; 11. a flared part; 12. a card slot; 13. a convex ring; 2. a sub-junction; 21. a baffle ring; 22. a concave ring; 3. an adaptor head; 31. clamping a plate; 32. a protrusion; 33. notching; 4. a seal ring; 5. and (5) clamping a hoop.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 4, the leakage-proof CQC connector comprises a female connector 1, a male connector 2 and an adaptor 3 connected between the female connector 1 and the male connector 2 in a buckling manner, wherein the female connector 1 and the adaptor 3 are sequentially sleeved with the male connector 2, at least one through groove is formed in the outer wall of the part of the adaptor 3 located in the female connector 1, a clamping plate 31 is fixed on the inner edge of one side of the through groove, a protruding part 32 is arranged on the outer side of one end of the clamping plate 31 far away from the root of the clamping plate, and the protruding part 32 is lapped in a corresponding clamping groove 12.

Specifically, the protruding portion 32 is of a spine-shaped structure, the clamping plate 31 has outward-expanding elastic force, when the adapter 3 and the female connector 1 are connected, the protruding portion 32 is extruded, the clamping plate 31 is deformed to store force, when the protruding portion 32 corresponds to the clamping groove 12, the clamping plate 31 is reset, the protruding portion 32 is embedded into the clamping groove 12 to prevent the clamping plate from being pulled out, and therefore the sealing capacity of the sealing ring 4 is guaranteed;

furthermore, at least two notches 33 are formed in the outer wall of the part, exposed out of the female joint 1, of the joint head 3, a hoop 5 is jointly connected between the notches 33, and the inner side edge of the hoop 5 protrudes out of the inner diameter of the joint head 3;

specifically, the upper side and the lower side of the hoop 5 are also provided with stop blocks fixed on the outer wall of the joint 3, and the distance between the upper stop block and the lower stop block is the same as the diameter of the hoop 5, so that the hoop 5 can be prevented from easily shifting; the clamp 5 is integrally designed in a concave-shaped structure, the end parts of the clamp 5 are provided with hooks, and the outer wall of the adapter 3 is provided with a placing groove corresponding to the hooks, so that the clamp 5 is positioned more accurately, and the clamping capacity is guaranteed;

furthermore, a baffle ring 21 and a concave ring 22 are arranged on the outer side of the sub-joint 2 side by side, wherein the baffle ring 21 is abutted against one side end face of the adapter 3, and the concave ring 22 is arranged corresponding to the clamp 5;

specifically, the baffle ring 21 is used for preventing the sub-joint 2 from being excessively inserted into the female joint 1, the concave ring 22 is in interference fit with the hoop 5, and the position of the hoop 5 facing the concave ring 22 is designed to be arc-shaped, so that the contact length between the hoop 5 and the concave ring 22 can be increased, and the limiting and pull-out preventing capacity is improved;

furthermore, a flared part 11 is arranged on the inner edge of one end of the female joint 1, the radius of the flared part 11 is the same as that of the sealing ring 4, at least one clamping groove 12 is arranged on the outer wall of the flared part 11, and a plurality of convex rings 13 are arranged on the outer wall of one end of the female joint 1 away from the adapter 3 at equal intervals;

specifically, the outer end edge and the inner end edge of the flared part 11 are both provided with a platform withdrawing groove, and the two platform withdrawing grooves are respectively opposite to the protruding ring structures at the middle part and the end part of the joint 3 and are used for adaptive positioning, so that the stress between the female joint 1 and the joint 3 is more balanced; the 13 cross-sections of bulge loop are three horn structures, easily insert the hose along the cisoid on 13 inclined planes of bulge loop, otherwise, the hose hoop cover is at 13 outer walls of bulge loop, and frictional force is big, and difficult slippage is optional, can adopt the mode of tying up the silk to consolidate hose, female joint 1 secondary, also can be through setting up the mode of corresponding sunken with bulge loop 13 at hose tip inner wall, reinforcing resistance to plucking ability.

Further, a sealing ring 4 is clamped between the female joint 1 and the adaptor 3, the sub-joint 2 penetrates through the adaptor 3 to be in contact with the female joint 1, so that the sealing ring 4 is enclosed and limited in a cavity ring formed by the enclosure among the female joint 1, the sub-joint 2 and the adaptor 3;

preferably, the contact surfaces of the sub joint 2 and the female joint 1 can be zigzag surfaces, so that the sealing capability can be improved; the son joint 2 and the mother joint 1 can be buckled and connected to enhance the connection tightness of the mother joint 1, the joint 3 and the son joint 2, and the integrity is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a prevent CQC joint of leakage, includes that female joint (1), sub-joint (2) and lock connect in female joint (1), sub-joint (2) between adapter (3), its characterized in that, female joint (1), adapter (3) cup joint in order with sub-joint (2), the centre gripping is provided with sealing washer (4) between female joint (1) and adapter (3), sub-joint (2) pass adapter (3) and contact with female joint (1), make sealing washer (4) are enclosed and are closed spacing in the cavity intra-annular that encloses between female joint (1), sub-joint (2), adapter (3).

2. A leak resistant CQC fitting according to claim 1, wherein: an expansion opening (11) is arranged on the inner edge of one end of the female connector (1), the radius of the expansion opening (11) is the same as that of the sealing ring (4), and at least one clamping groove (12) is formed in the outer wall of the expansion opening (11).

3. A leak resistant CQC fitting according to claim 2, wherein: the outer wall of the part, located in the female joint (1), of the joint (3) is provided with at least one through groove, a clamping plate (31) is fixed to the inner edge of one side of the through groove, a protruding portion (32) is arranged on the outer side of one end, away from the root portion, of the clamping plate (31), and the protruding portion (32) is in lap joint with the corresponding clamping groove (12).

4. A leak-proof CQC fitting according to claim 1, wherein: the partial outer wall that links up joint (3) bared female joint (1) is provided with two at least scarce grooves (33), it has clamp (5) to link up jointly between scarce groove (33), the inboard marginal outstanding link up joint (3) internal diameter setting of clamp (5).

5. A leak resistant CQC fitting according to claim 4, wherein: the outer side of the sub-joint (2) is provided with a retaining ring (21) and a concave ring (22) side by side, wherein the retaining ring (21) is abutted to one side end face of the joint (3), and the concave ring (22) is arranged corresponding to the clamp (5).

6. A leak resistant CQC fitting according to claim 1, wherein: a plurality of convex rings (13) are arranged on the outer wall of one end of the female joint (1) far away from the joint head (3) at equal intervals.