Male connector, female connector and quick connector assembly

Abstract

The utility model discloses a male joint, female joint and quick joint assembly, which comprises a male joint body and a female joint body, the male joint body and the female joint body are connected with a joint assembly body, the female joint body is provided with a limiting block, a bolt slides in the limiting block, and two ends of the bolt are connected with a first positioning ring and a second positioning ring. Two frames are installed on the limiting block, and springs are connected to the two frames. Under the matching action of the bolt and the inner groove, the pull rod is pushed inwards to drive the first positioning ring to move in the sliding groove, and one end of the bolt is connected into the inner groove to limit the nut, so that the nut can be prevented from rotating in the use process, and the risk of pipeline leakage or system failure caused by looseness of the nut is avoided; the system stability is enhanced, the nut is effectively fixed, damage and abrasion caused by loosening can be reduced, the service life of the pipe joint is prolonged, the maintenance and replacement cost is reduced, and damage to equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pipe joints, in particular to a male joint, a female joint and a quick joint assembly. Background Art

[0002] Hydraulic pipe fittings are a type of connection element widely used in engineering machinery, agricultural machinery, aerospace and other fields, used to connect pipes and pipelines in hydraulic transmission systems. Among them, male connector bodies, female connector bodies and quick connectors are three common types, which are used to connect hydraulic pipes between different components in hydraulic systems. In traditional hydraulic pipe fittings, when the nut is rotated to fix the female connector body, the connection is completed by rotating the nut to connect to the thread on the female connector body. However, there are still certain defects in use that need to be improved;

[0003] When the male connector, female connector and quick connector assembly in the prior art are in use, the nut may become loose due to the influence of factors such as pressure fluctuations, temperature changes and vibrations during the operation of the hydraulic system, resulting in hydraulic leakage and system failure. In severe cases, it may even cause equipment damage. Frequent maintenance and replacement of parts increase maintenance costs and affect production efficiency and the service life of equipment, resulting in reduced safety in use. Therefore, a male connector body, a female connector body and a quick connector group are proposed to overcome the above-mentioned defects. Utility Model Content

[0004] The utility model aims to solve the disadvantage of the prior art that it is inconvenient to prevent the nut from loosening, and proposes a male connector, a female connector and a quick connector assembly.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The male connector, female connector and quick connector assembly include a female connector body, a limit block is installed on the female connector body, a latch is slidable in the limit block, a first positioning ring and a second positioning ring are connected to both ends of the latch, two frames are installed on the limit block, springs are connected to both frames, one end of the two springs are connected to a connecting block, and blocks are installed at the bottom of the two connecting blocks.

[0007] Preferably, a slide groove is provided in the limit block, the first positioning ring slides in the slide groove, the two stoppers slide in the limit block, and the two stoppers are connected in the limit groove.

[0008] Preferably, one end of the latch is connected to a pull rod, and one end of the pull rod is installed with an anti-slip sleeve.

[0009] A male connector adapted to a female connector comprises a male connector body, one end of which is provided with a connecting port.

[0010] A quick connector assembly adapted for a male connector and a female connector comprises a connector assembly body connected to the male connector body and the female connector body.

[0011] Preferably, the connector assembly body comprises a nut and a thread, the nut is mounted on the male connector body, the thread is provided at one end of the female connector body, and a sealing gasket is mounted on the female connector body.

[0012] Preferably, an inner groove is provided in the nut, one end of the latch is connected to the inner groove, and a limiting groove is provided on the latch.

[0013] The utility model has the following beneficial effects:

[0014] 1. Under the cooperation of the latch and the inner groove, the pull rod is pushed inward to drive the first positioning ring to move in the slide groove, and one end of the latch is connected to the inner groove to limit the nut, which can prevent the nut from rotating during use, thereby avoiding the risk of pipeline leakage or system failure caused by nut loosening, enhancing system stability, and effectively fixing the nut can reduce damage and wear caused by loosening, extend the service life of the pipe joint, reduce maintenance and replacement costs, and reduce damage to equipment;

[0015] 2. With the cooperation of the spring and the stopper, the two connecting blocks are loosened, and the connecting blocks are pushed inward by the two springs to make the corresponding side surfaces of the two stoppers touch each other. At this time, the two stoppers can block the first positioning ring to prevent the pin from moving outward under force, so that one end of the pin is in the inner groove, ensuring the limit of the pin to the joint assembly body, thereby increasing the stability of the device when in use and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the male connector, female connector and quick connector assembly proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of the male connector, female connector and quick connector assembly proposed by the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the connection between the male connector body and the female connector body of the male connector, the female connector and the quick connector assembly proposed in the present invention;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the connection between the stopper and the latch of the male connector, the female connector and the quick connector assembly proposed by the present invention;

[0020] Figure 5The utility model provides a schematic cross-sectional structure diagram of the connection between the stopper and the limit block of the male connector, the female connector and the quick connector assembly.

[0021] In the figure: 1. male connector body; 2. female connector body; 3. connector assembly body; 301. nut; 3011. inner groove; 302. thread; 303. sealing gasket; 4. limit block; 401. slide groove; 5. latch; 501. limit groove; 6. first positioning ring; 7. second positioning ring; 8. pull rod; 9. frame; 10. spring; 11. connecting block; 12. stop block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-5 , a male connector, a female connector and a quick connector assembly include a female connector body 2, a limit block 4 is installed on the female connector body 2, a slide groove 401 is opened in the limit block 4, the first positioning ring 6 slides in the slide groove 401, the two blocks 12 slide in the limit block 4, and the two blocks 12 are connected in the limit groove 501, a latch 5 slides in the limit block 4, one end of the latch 5 is connected to a pull rod 8, and the set pull rod 8 can conveniently pull the latch 5 to prevent the latch 5 from being inconvenient to pull when it is in the slide groove 401, one end of the pull rod 8 is installed with an anti-slip sleeve, and the first positioning ring 6 and the second positioning ring 7 are connected at both ends of the latch 5, two frames 9 are installed on the limit block 4, and the two frames 9 are connected with springs 10, one end of the two springs 10 are connected to a connecting block 11, and the bottom of the two connecting blocks 11 is installed with a block 12.

[0024] A male connector adapted to a female connector comprises a male connector body 1, wherein one end of the male connector body 1 is provided with a connection port.

[0025] A quick connector assembly adapted for a male connector and a female connector, comprising a connector assembly body 3, wherein the connector assembly body 3 is connected to a male connector body 1 and a female connector body 2, wherein the connector assembly body 3 comprises a nut 301 and a thread 302, wherein the nut 301 is mounted on the male connector body 1, the thread 302 is disposed at one end of the female connector body 2, and a sealing gasket 303 is mounted on the female connector body 2, wherein the sealing gasket 303 increases the sealing of the connection, an inner groove 3011 is disposed in the nut 301, one end of the latch 5 is connected to the inner groove 3011, and a limiting groove 501 is disposed on the latch 5.

[0026] The use method and advantages of the utility model: When the male connector body, the female connector body and the quick connector assembly are in use, the working process is as follows:

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, when using the male connector, female connector and quick connector assembly, first connect the female connector body 2 with the male connector body 1 through the connector assembly body 3, and after connecting to the female connector body 2 by rotating the nut 301 with the thread 302, the sealing gasket 303 increases the sealing of the connection. At this time, the connecting block 11 is pulled to both sides to drive the stopper 12 to move to both sides in the limit block 4 and compress the spring 10, and then the pull rod 8 is pushed inward to drive the first positioning ring 6 to move in the slide groove 401, and one end of the pin 5 is connected to the inner groove 3011 to limit the nut 301, so as to prevent the nut 301 from rotating during use, thereby preventing the nut 301 from loosening. The risk of pipeline leakage or system failure caused by movement is reduced, and the system stability is enhanced. At this time, the two connecting blocks 11 can be loosened, and the connecting blocks 11 can be pushed inward by two springs 10 to move so that the two blocking blocks 12 touch each other on the corresponding sides. At this time, the two blocking blocks 12 can block the first positioning ring 6 to prevent the latch 5 from moving outward under force, thereby increasing the stability of the device when in use. When it is necessary to separate the male connector body 1 and the female connector body 2, the connecting blocks 11 are moved to both sides and the pull rod 8 is pulled out to drive the latch 5 to move out of the inner groove 3011. At this time, the connecting blocks 11 are loosened to connect the two blocking blocks 12 to the limiting groove 501 to prevent the latch 5 from entering the inner groove 3011.

[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0029] In all the schemes mentioned above, the connection between the two parts can be selected according to the actual situation by welding, matching connection of bolts and nuts, bolt or screw connection or other well-known connection methods, which will not be described here one by one. The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical scheme of the utility model and its utility model concept, shall be covered by the protection scope of the utility model.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A female connector, comprising a female connector body (2), characterized in that: A limit block (4) is installed on the female connector body (2), a latch (5) is slidably arranged inside the limit block (4), a first positioning ring (6) and a second positioning ring (7) are connected to both ends of the latch (5), two frames (9) are installed on the limit block (4), springs (10) are connected to the two frames (9), one end of the two springs (10) is connected to a connecting block (11), and a stopper (12) is installed at the bottom of the two connecting blocks (11).

2. The female connector according to claim 1, characterized in that: A sliding groove (401) is provided in the limit block (4), the first positioning ring (6) slides in the sliding groove (401), the two stoppers (12) slide in the limit block (4), and the two stoppers (12) are connected in the limit groove (501).

3. The female connector according to claim 1, characterized in that: One end of the latch pin (5) is connected to a pull rod (8), and one end of the pull rod (8) is mounted with an anti-slip sleeve.

4. A male connector adapted to the female connector according to any one of claims 1 to 3, characterized in that: It comprises a male connector body (1), one end of the male connector body (1) being provided with a connection port.

5. A quick connector assembly adapted for the male connector and the female connector according to claim 4, characterized in that: It comprises a joint assembly body (3), wherein the joint assembly body (3) is connected to a male joint body (1) and a female joint body (2).

6. The quick connector assembly of the male connector and the female connector according to claim 5, characterized in that: The joint assembly body (3) comprises a nut (301) and a thread (302), wherein the nut (301) is mounted on the male joint body (1), the thread (302) is provided at one end of the female joint body (2), and a sealing gasket (303) is mounted on the female joint body (2).

7. The quick connector assembly of the male connector and the female connector according to claim 6, characterized in that: An inner groove (3011) is provided in the nut (301), one end of the latch pin (5) is connected to the inner groove (3011), and a limiting groove (501) is provided on the latch pin (5).

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