Quick connector

Abstract

The quick connector comprises a male connector body and a female connector body, the female connector body comprises a connector body, an adapter sleeve, a switch sleeve, a valve element, a sliding sleeve and a steel ball, the outer side of one end of the adapter sleeve is connected with the inner side of one end of the connector body, and the valve element is arranged in the adapter sleeve in a sliding mode; a water outlet hole is formed in the side, close to the connector body, of the valve element, the switch sleeve is arranged on the outer side of the water outlet hole in a sliding and sleeving mode, a reset spring is arranged between the clamping connector and the switch sleeve, a first sealing groove is formed in the inner wall of the switch sleeve, a sealing piece is installed in the first sealing groove, and a driving step is arranged on the inner side of the valve element in a protruding mode. A sliding sleeve is mounted on the outer side of the adapter sleeve in a sliding manner; the male connector is inserted into the female connector, the male connector pushes the valve element to retreat, the valve element is opened, meanwhile, the steel ball falls into the limiting groove, locking of the male connector is completed, firm connection is achieved, and great convenience is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of pipe joints, in particular to the technical field of quick joints. Background Art

[0002] The existing quick connector assembly mainly includes a valve body and a quick connector. The quick connector is quickly pulled out or inserted into the valve body to achieve communication.

[0003] In the prior art quick connector, the switch of the valve body and the connection of the connector are controlled separately, and the operator may easily forget to close the valve body, resulting in leakage after the connector is pulled out, posing a safety hazard. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art and to provide a quick connector that can solve the above problems.

[0005] To achieve the above-mentioned purpose, the present invention proposes a quick connector, including a male connector and a female connector, the female connector including a connector body, a tightening sleeve, a switch sleeve, a valve core, a sliding sleeve and a steel ball, the outer side of one end of the tightening sleeve is installed and connected with the inner side of one end of the connector body, the valve core is slidably arranged in the tightening sleeve, a water outlet hole is arranged on the side of the valve core close to the connector body, the switch sleeve sliding sleeve is arranged on the outer side of the water outlet hole, a clamping joint is arranged on the end of the valve core away from the connector body, a clamping groove matching the clamping joint is arranged in the tightening sleeve, a reset spring is arranged between the clamping joint and the switch sleeve, and a first A sealing groove, a sealing member is installed in the first sealing groove, a driving step is convexly provided on the inner side of the valve core, a sliding sleeve is slidably installed on the outer side of the fixing sleeve, the sliding sleeve and the joint body are connected by a compression spring, a plurality of through holes are opened on the fixing sleeve, the steel ball is installed in the through holes, the sliding sleeve is sleeved on the outer side of the steel ball, a driving inclined surface is provided on the sliding sleeve at a position matching the steel ball, a blocking sleeve is provided at one end of the clamping joint close to the fixing sleeve, the blocking sleeve is arranged on the inner side of the steel ball, a second sealing groove is provided at the connection between the driving step and the blocking sleeve, and a sealing ring is provided in the second sealing groove.

[0006] Preferably, a thread groove is provided at one end of the joint body, and a thread barrel is provided at one end of the adapter sleeve, and the thread barrel is threadably mounted on the thread groove.

[0007] Preferably, a limiting bevel groove is provided in the joint body, a limiting head is provided at one end of the switch sleeve close to the joint body, a limiting bevel is provided on the limiting head, and the limiting bevel matches the limiting bevel groove.

[0008] Preferably, a plurality of anti-slip convex rings are provided on the outer side of the sliding sleeve, and the surface of the anti-slip convex rings is provided with anti-slip patterns.

[0009] Preferably, the male connector includes a plug body, the bottom surface of the plug body abuts against the driving step, the outer wall of the plug body is sealed with the valve core through a sealing ring, a limiting convex ring is provided on the side of the plug body away from the female connector, and a limiting groove is provided on the side of the limiting convex ring away from the female connector. After the plug body is inserted into the female connector, the valve core is driven to move to the right, so that the blocking sleeve leaves the steel ball. After the limiting convex ring moves to the right side of the through hole, the sliding sleeve moves toward the left side under the elastic force of the compression spring, so that the driving inclined surface contacts the steel ball, driving the steel ball to move inward and get stuck in the limiting groove.

[0010] Preferably, a blocking slope is provided on the inner wall of the sliding sleeve on one side close to the adapter sleeve, and a resisting slope matching the blocking slope is provided on the outer wall of the adapter sleeve, and after the clamping spring is reset, the blocking slope abuts against the resisting slope.

[0011] Beneficial effects of the present invention: the present invention inserts the male connector into the female connector, and the male connector pushes the valve core backward to open the valve core, and at the same time, the steel ball falls into the limit groove, thereby completing the locking of the male connector and achieving a firm connection, which is very convenient; the male connector and the valve core are sealed by a sealing ring to effectively prevent leakage.

[0012] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of a female connector of the present invention; Figure 2 is a schematic diagram of the valve core of the present invention; Figure 3 It is a schematic diagram of a male connector of the present invention.

[0014] In the figure: 1. connector body; 2. adapter sleeve; 3. switch sleeve; 4. valve core; 5. sliding sleeve; 6. steel ball; 7. plug body; 11. limiting inclined groove; 21. clamping groove; 22. blocking inclined surface; 31. first sealing groove; 32. sealing element; 33. limiting head; 41. water outlet; 42. clamping joint; 43. driving step; 44. second sealing groove; 45. sealing ring; 46. blocking sleeve; 51. driving inclined surface; 52. anti-slip convex ring; 53. blocking inclined surface; 71. limiting convex ring; 72. limiting groove. DETAILED DESCRIPTION

[0015] See also Figure 1 , Figure 2 , Figure 3A quick connector, comprising a male connector and a female connector, the female connector comprising a connector body 1, a fastening sleeve 2, a switch sleeve 3, a valve core 4, a sliding sleeve 5 and a steel ball 6, the outer side of one end of the fastening sleeve 2 is installed and connected with the inner side of one end of the connector body 1, the valve core 4 is slidably arranged in the fastening sleeve 2, the valve core 4 is provided with a water outlet 41 on the side close to the connector body 1, the switch sleeve 3 is slidably sleeved on the outside of the water outlet 41, the valve core 4 is provided with a clamping joint 42 on the end away from the connector body 1, the fastening sleeve 2 is provided with a clamping groove 21 matching the clamping joint 42, a reset spring is provided between the clamping joint 42 and the switch sleeve 3, the inner wall of the switch sleeve 3 is provided with a first sealing groove 31, the first sealing groove A sealing member 32 is installed in the sealing groove 31, a driving step 43 is convexly provided on the inner side of the valve core 4, a sliding sleeve 5 is slidably installed on the outer side of the adapter sleeve 2, the sliding sleeve 5 is connected to the joint body 1 through a compression spring, a plurality of through holes are opened on the adapter sleeve 2, the steel ball 6 is installed in the through holes, the sliding sleeve 5 is sleeved on the outer side of the steel ball 6, a driving inclined surface 51 is provided on the sliding sleeve 5 at a position matching the steel ball 6, a blocking sleeve 46 is provided at one end of the clamping joint 42 close to the adapter sleeve 2, the blocking sleeve 46 is arranged on the inner side of the steel ball 6, a second sealing groove 44 is provided at the connection between the driving step 43 and the blocking sleeve 46, and a sealing ring 45 is provided in the second sealing groove 44.

[0016] One end of the joint body 1 is provided with a thread groove, and one end of the adapter sleeve 2 is provided with a thread barrel, and the thread barrel is threadably mounted with the thread groove.

[0017] The connector body 1 is provided with a limiting inclined groove 11 , and the switch sleeve 3 is provided with a limiting head 33 at one end close to the connector body 1 . The limiting head 33 is provided with a limiting inclined surface, and the limiting inclined surface matches the limiting inclined groove 11 .

[0018] A plurality of anti-skid raised circles 52 are disposed on the outer side of the sliding sleeve 5 , and the surface of the anti-skid raised circles 52 is provided with anti-skid patterns.

[0019] The male connector includes a plug body 7, the bottom surface of which is in contact with the driving step 43, and the outer wall of the plug body 7 is sealed with the valve core 4 through a sealing ring 45. A limiting convex ring 71 is provided on the side of the plug body 7 away from the female connector, and a limiting groove 72 is provided on the side of the limiting convex ring 71 away from the female connector. After the plug body 7 is inserted into the female connector, the valve core 4 is driven to move rightward, so that the blocking sleeve 46 leaves the steel ball 6. After the limiting convex ring 71 moves to the right side of the through hole, the sliding sleeve 5 moves toward the left side under the elastic force of the compression spring, so that the driving inclined surface 51 contacts the steel ball 6, driving the steel ball 6 to move inward and get stuck in the limiting groove 72.

[0020] The inner wall of the sliding sleeve 5 close to the adapter sleeve 2 is provided with a blocking slope 53, and the outer wall of the adapter sleeve 2 is provided with a resisting slope 22 matching the blocking slope 53. After the clamping spring is reset, the blocking slope 53 abuts against the resisting slope 22.

[0021] Working process of the present invention: During operation of the present invention, after the male connector is inserted into the female connector, the outer wall of the plug body 7 of the male connector is sealed with the valve core 4 through the sealing ring 45, and the right end face of the plug body 7 abuts against the driving step 43, pushing the valve core to move rightward, pushing the water outlet hole out of the switch sleeve, and at the same time, the blocking sleeve leaves the steel ball, releasing the blocking of the steel ball, and the sliding sleeve moves to the left under the elastic force of the compression spring, so that the driving inclined surface 51 contacts the steel ball 6, driving the steel ball 6 to move inward and get stuck in the limiting groove 72, completing the locking of the male connector; During disassembly, the driving sliding sleeve moves to the right, causing the driving inclined surface to leave the steel ball, and the valve core moves to the left under the elastic force of the return spring. The water outlet hole returns to the switch sleeve, and the valve core is closed. At the same time, the limiting inclined surface abuts against the limiting inclined groove, and the blocking sleeve pushes the steel ball back to the through hole, thereby releasing the fixation of the male joint.

[0022] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. A quick connector, characterized in that: The invention comprises a male joint and a female joint, wherein the female joint comprises a joint body (1), a tightening sleeve (2), a switch sleeve (3), a valve core (4), a sliding sleeve (5) and a steel ball (6), wherein the outer side of one end of the tightening sleeve (2) is mounted and connected to the inner side of one end of the joint body (1), the valve core (4) is slidably arranged in the tightening sleeve (2), a water outlet hole (41) is provided on the side of the valve core (4) close to the joint body (1), the switch sleeve (3) is slidably arranged on the outer side of the water outlet hole (41), a clamping joint (42) is provided on the end of the valve core (4) away from the joint body (1), a clamping groove (21) matching the clamping joint (42) is provided in the tightening sleeve (2), a reset spring is provided between the clamping joint (42) and the switch sleeve (3), and a first sealing groove (31) is provided on the inner wall of the switch sleeve (3), and the first sealing groove (31) is provided on the inner wall of the switch sleeve (3). 1) is provided with a sealing member (32), a driving step (43) is convexly provided on the inner side of the valve core (4), a sliding sleeve (5) is slidably provided on the outer side of the fixing sleeve (2), the sliding sleeve (5) is connected to the joint body (1) via a compression spring, a plurality of through holes are provided on the fixing sleeve (2), the steel ball (6) is installed in the through holes, the sliding sleeve (5) is sleeved on the outer side of the steel ball (6), a driving inclined surface (51) is provided on the sliding sleeve (5) at a position matching the steel ball (6), a blocking sleeve (46) is provided at one end of the clamping joint (42) close to the fixing sleeve (2), the blocking sleeve (46) is arranged on the inner side of the steel ball (6), a second sealing groove (44) is provided at the connection between the driving step (43) and the blocking sleeve (46), and a sealing ring (45) is provided in the second sealing groove (44).

2. The quick connector according to claim 1, characterized in that: One end of the joint body (1) is provided with a thread groove, and one end of the adapter sleeve (2) is provided with a thread barrel, and the thread barrel is threadably mounted on the thread groove.

3. The quick connector according to claim 1, characterized in that: A limiting inclined groove (11) is provided in the connector body (1), and a limiting head (33) is provided at one end of the switch sleeve (3) close to the connector body (1), and a limiting inclined surface is provided on the limiting head (33), and the limiting inclined surface matches the limiting inclined groove (11).

4. The quick connector according to claim 1, characterized in that: A plurality of anti-slip convex circles (52) are provided on the outer side of the sliding sleeve (5), and the surface of the anti-slip convex circles (52) is provided with an anti-slip pattern.

5. The quick connector according to claim 1, characterized in that: The male connector comprises a plug body (7), the bottom surface of the plug body (7) abuts against the driving step (43), the outer wall of the plug body (7) is sealed with the valve core (4) via a sealing ring (45), a limiting convex ring (71) is provided on the side of the plug body (7) away from the female connector, and a limiting groove (72) is provided on the side of the limiting convex ring (71) away from the female connector. After the plug body (7) is inserted into the female connector, the valve core (4) is driven to move rightward, so that the blocking sleeve (46) leaves the steel ball (6), and after the limiting convex ring (71) moves to the right side of the through hole, the sliding sleeve (5) moves toward the left side under the elastic force of the compression spring, so that the driving inclined surface (51) contacts the steel ball (6), and the steel ball (6) is driven to move inward and is inserted into the limiting groove (72).

6. The quick connector according to claim 1, characterized in that: A blocking bevel (53) is provided on the inner wall of the sliding sleeve (5) on one side close to the adapter sleeve (2), and a resisting bevel (22) matching the blocking bevel (53) is provided on the outer wall of the adapter sleeve (2). After the clamping spring is reset, the blocking bevel (53) contacts the resisting bevel (22).

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