A detachable connector with simple structure

Abstract

The present invention provides a detachable connector with a simple structure, comprising a shell and a stopping device for loosely fixing a male connector, the male connector is provided with a stopping groove, the stopping device comprises a pair of support plates that can be fitted with the outer peripheral surface of the male connector, a pair of elastic positioning arms located at the outside of the support plates, and a connecting plate for connecting the support plates and the elastic positioning arms, the support plates are provided with a stopping protrusion for inserting into the stopping groove, the upper and lower ends of the positioning arms are respectively provided with a limiting protrusion and a positioning protrusion extending back to the center of the shell, the shell is provided with a front plate body and a rear plate body located at the front and rear sides of the stopping device, and side plates for connecting the front plate body and the rear plate body, when in a locked state, the limiting protrusion abuts against the upper surface of the side plate, the positioning protrusion abuts against the lower surface of the side plate, and there is a gap between the support plate and the elastic positioning arms.

Description

Technical Field

[0001] The invention relates to the field of pipelines, in particular to a detachable connector with a simple structure. Background Art

[0002] See also Figure 1 , a Chinese patent application numbered CNCN201580028898.6 discloses a plug connector 1 for connecting at least one fluid conduit to another fluid conduit or a device interface, the plug connector comprising a housing 2 with a through passage 5, wherein the end of the housing 2 is configured as a sleeve section 3 for inserting an opposing plug connector 14 (male connector), and has stoppers 10, 12 for releasably fixing the opposing plug connector 14, wherein the stoppers 10, 12 are capable of being inserted into the sleeve. The adapter sleeve 7 is a component of an adapter sleeve 7 in a sleeve section 3, which is held in the sleeve section 3 by means of radially elastic form-fitting elements and has a through-hole 8 for a plug shaft 23 of the counter-plug connector 14, and the locking means is formed by at least two locking arms 10 which are radially elastic relative to the longitudinal center axis XX of the plug connector and are formed on the circumference of the adapter sleeve 7 by slot-like recesses 11 in its sleeve wall, and these locking arms 10 have radial projections at their free ends pointing toward the longitudinal center axis X. The adapter sleeve 7 is provided with a locking projection 12 extending from the through hole 8, wherein the positive locking element 29 is formed by a radially elastic locking projection, which is formed on the outer circumference of the adapter sleeve 7 between the locking arms 10 and which, in the inserted state, engages in a positively locking manner in a recess 30 in the circumferential wall of the sleeve section 3, the locking projection 12 having a radial spacing relative to the longitudinal center axis XX which is smaller than the inner diameter of the through hole 8, and the locking arms 10 having a radial spacing relative to the longitudinal center axis XX at least in the region adjacent to the locking projection 12. The inner diameter of the through-hole 8 is the same as or smaller than the inner diameter of the through-hole 8, wherein the opposing plug-in connector 14 has a locking groove 13, and the locking boss 12 engages with the locking groove 13 to lock the opposing plug-in connector 14, wherein the adapter sleeve 7 has an annular rim 15, 15a extending on the circumference of its through-hole 8 and on the edge of its opening located at the rear when viewed in the insertion direction Z, which is arranged outside the sleeve section 3 when the adapter sleeve 7 is in the inserted state, and the locking boss 12 also extends outside the sleeve section 3.

[0003] In the prior art, the plug connector has a complex structure. Summary of the invention

[0004] The object of the present invention is to provide a detachable connector with a simple structure.

[0005] The locking device is configured to lock the locking cam of the locking cam and to lock the locking cam of the locking cam, wherein the locking cam is configured to lock the locking cam of the locking cam and the locking cam of the locking cam.

[0006] In one embodiment of the present invention, it further comprises a sealing ring for sealingly connecting the male connector and the housing and an outer retaining ring for fixing the sealing ring.

[0007] In one embodiment of the present invention, the outer surface of the outer retaining ring is provided with a pair of elastic clips, the shell is provided with a matching recess for clipping and connecting with the elastic clips, and the shell is provided with a supporting step located behind the sealing ring.

[0008] In one embodiment of the present invention, a movable recess is formed on one side of the side plate facing the center of the shell, and in an unlocked state, the stop protrusion is disengaged from the recess, and the positioning protrusion abuts against an upper wall of the movable recess.

[0009] In one embodiment of the present invention, the upper and lower surfaces of the positioning protrusion are both inclined surfaces extending downward toward the center of the housing, and the upper surface of the side plate and the upper wall of the movable recess are both inclined surfaces that fit the upper surface of the positioning protrusion. The stopper can be installed by simply inserting the stopper, and the provision of the movable recess can prevent the stopper from completely detaching from the housing.

[0010] In one embodiment of the present invention, the outer retaining ring is provided with a dustproof baffle extending toward the bottom of the stopping device, an upper opening and a lower opening corresponding to the stopping device are provided between the front plate body and the rear plate body, the connecting plate is used to cover the upper opening, and the dustproof baffle is used to cover the lower opening.

[0011] In one embodiment of the present invention, the stopping protrusion is provided with an insertion guide surface.

[0012] In one embodiment of the present invention, the housing is provided with a handle for connecting to a pipeline.

[0013] In one embodiment of the present invention, the housing and / or the outer retaining ring and / or the male connector are made of plastic.

[0014] In one embodiment of the present invention, the housing and / or the outer retaining ring and / or the male connector are made of glass fiber modified nylon.

[0015] In one embodiment of the present invention, the stopper adopts an integrally formed structure, and the positioning arm can keep the stopper in a locked position. The user presses the positioning protrusion from the outside to the inside to move the stopper upward, inserts the male connector into the housing, and then presses the connecting plate to make the stopper protrusion fall into the stopper groove. When unlocking is required, the user presses the positioning protrusion from the outside to the inside to move the stopper upward, and the stopper protrusion is separated from the stopper groove. Compared with the prior art, the structure is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the structure of an existing plug connector.

[0017] Figure 2 It is a structural diagram of a detachable connector with a simple structure according to a first embodiment of the present invention.

[0018] Figure 3 for Figure 2 Exploded view of a simple detachable connector.

[0019] Figure 4 for Figure 2 A cross-sectional view of a detachable connector with a simple structure.

[0020] Figure 5 for Figure 2 A cross-sectional view of a brake device of a detachable connector with a simple structure. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 2-Figure 5The first embodiment of the present invention is a detachable connector with a simple structure, comprising a housing 1 and a stopper 2 for releasably fixing a male connector 6, wherein the male connector 6 is provided with a stopper groove 61, the stopper 2 comprises a pair of support plates 21 which can be fitted with the outer peripheral surface of the male connector 6, a pair of elastic positioning arms 22 located outside the support plates 21, and a connecting plate 23 for connecting the support plates 21 and the elastic positioning arms 22, the support plates 21 are provided with a stopper protrusion 211 for inserting into the stopper groove 61, the upper and lower ends of the elastic positioning arms 22 are respectively provided with a limiting protrusion 221 and a positioning protrusion 222 extending back to the center of the housing 1, the housing 1 is provided with a front plate body 11 and a rear plate body 12 located at the front and rear sides of the stopper 2, and a side plate 13 for connecting the front plate body 11 and the rear plate body 12, in the locked state, the limiting protrusion 221 abuts against the upper surface of the side plate 13, the positioning protrusion 222 abuts against the lower surface of the side plate 13, and there is a gap between the support plate 21 and the elastic positioning arm 22.

[0023] The stop protrusion 211 is provided with an insertion guide surface 211 a. The detachable connector with a simple structure further comprises a sealing ring 3 for sealingly connecting the male connector 6 and the housing 1 and an outer retaining ring 4 for fixing the sealing ring 3 .

[0024] The outer surface of the outer retaining ring 4 is provided with a pair of elastic clips 41, the housing 1 is provided with a matching recess 14 for clipping and connecting with the elastic clips 41, and the housing is provided with a supporting step 15 located behind the sealing ring 3. The housing 1 is provided with a handle 16 for connecting with a pipeline.

[0025] An active recess 130 is formed on one side of the side plate 13 facing the center of the housing 1 . In the unlocked state, the stop protrusion 211 is separated from the recess, and the positioning protrusion 222 abuts against the upper wall of the active recess 130 .

[0026] The upper and lower surfaces of the positioning protrusion 222 are both inclined surfaces extending downward toward the center of the housing 1, and the upper surface of the side plate 13 and the upper wall of the movable recess 130 are both inclined surfaces that fit the upper surface of the positioning protrusion 222. The stopper 2 can be installed by simply inserting the stopper 2, and the movable recess can prevent the stopper 2 from completely detaching from the housing 1.

[0027] The outer retaining ring 4 is provided with a dustproof baffle 42 extending toward the bottom of the stopping device 2, and an upper opening 10a and a lower opening 10b corresponding to the stopping device 2 are provided between the front plate body 11 and the rear plate body 12. The connecting plate 23 is used to cover the upper opening 10a, and the dustproof baffle 42 is used to cover the lower opening 10b.

[0028] The housing 1 and / or the outer retaining ring 4 and / or the male connector 6 are made of plastic.

[0029] The housing 1 and / or the outer retaining ring 4 and / or the male connector 6 are made of glass fiber modified nylon.

[0030] The stopper 2 adopts an integrally formed structure, and the positioning arm can keep the stopper 2 in a locked position. The user presses the positioning protrusion 222 from the outside to the inside to move the stopper 2 upward, inserts the male connector 6 into the housing 1, and the end of the male connector abuts against the outer retaining ring, and then presses the connecting plate 23 to make the stopper protrusion 211 fall into the stopper groove 61. When unlocking is required, the user presses the positioning protrusion 222 from the outside to the inside to move the stopper 2 upward, and the stopper protrusion 211 is separated from the stopper groove 61. Compared with the prior art, there are fewer parts and the structure is simple.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable connector with a simple structure, comprising a shell and a stopper for loosely fixing a male connector, the male connector being provided with a stopper groove, the stopper comprising a pair of integrally formed support plates that can fit with the outer peripheral surface of the male connector, a pair of elastic positioning arms located at the outer side of the support plate, and a connecting plate for connecting the support plate and the elastic positioning arms, the support plate being provided with a stopper protrusion for inserting into the stopper groove, the upper and lower ends of the elastic positioning arms being respectively provided with a limit protrusion and a positioning protrusion extending back to the center of the shell, the shell being provided with a front plate body and a rear plate body located at the front and rear sides of the stopper, and side plates for connecting the front plate body and the rear plate body, when in a locked state, the limit protrusion abuts against the upper surface of the side plate, the positioning protrusion abuts against the lower surface of the side plate, and there is a gap between the support plate and the elastic positioning arms; characterized in that It also includes a sealing ring for sealingly connecting the male connector and the shell and an outer baffle ring for fixing the sealing ring, the outer baffle ring is provided with a dust baffle extending toward the bottom of the stopping device, an upper opening and a lower opening corresponding to the stopping device are provided between the front plate body and the rear plate body, the connecting plate is used to cover the upper opening, and the dust baffle is used to cover the lower opening.

2. The detachable connector with a simple structure according to claim 1, characterized in that: The outer surface of the outer retaining ring is provided with a pair of elastic clips, the shell is provided with a matching recess for clipping and connecting with the elastic clips, and the shell is provided with a supporting step located behind the sealing ring.

3. The detachable connector with a simple structure according to claim 2, characterized in that: A movable recess is formed on one side of the side plate facing the center of the shell. In an unlocked state, the stop protrusion is separated from the stop groove, and the positioning protrusion abuts against an upper wall of the movable recess.

4. The detachable connector with a simple structure according to claim 3, characterized in that: The upper surface and the lower surface of the positioning protrusion are both inclined surfaces extending downward toward the center of the shell, and the upper surface of the side plate and the upper wall of the movable recess are both inclined surfaces that fit the upper surface of the positioning protrusion.

5. The detachable connector with a simple structure according to claim 4, characterized in that: The stop protrusion is provided with an insertion guide surface.

6. The detachable connector with a simple structure according to claim 5, characterized in that: The housing is provided with a connecting handle for connecting with a pipeline.

7. The detachable connector with a simple structure according to claim 6, characterized in that: The housing and / or the outer retaining ring and / or the male connector are made of plastic.

8. The detachable connector with a simple structure according to claim 7, characterized in that: The housing and / or the outer retaining ring and / or the male connector are made of glass fiber modified nylon.

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