CN210424104U

CN210424104U - Female plug of quick connector

Info

Publication number: CN210424104U
Application number: CN201921118206.9U
Authority: CN
Inventors: 张月和
Original assignee: Wenzhou Nanxin Fluid Connector Co Ltd
Current assignee: Wenzhou Nanxin Fluid Connector Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-28
Anticipated expiration: 2029-07-16

Abstract

A female plug of a quick connector relates to the technical field of fluid transmission, and the female plug of the quick connector adopts the technical scheme that the female plug comprises a fixed pipe, a conical pipe and a movable pipe, wherein the fixed pipe, the conical pipe and the movable pipe are provided with the same fixed hole; the operating piece comprises an operating pipe, the operating pipe is provided with an operating hole, and a fixing ring is fixedly connected in the operating pipe; the outer surface of the fixed pipe is fixedly connected with a first limiting ring, the outer surface of the fixed pipe is provided with a first ring groove, and a clamp spring is arranged in the first ring groove; a first spring is sleeved outside the fixed pipe; the operating pipe is provided with a positioning mechanism for limiting the movement of the fixed pipe; the draw-in groove has been seted up to the operating hole inner surface, and the draw-in groove inner wall has been seted up the card hole, and positioning mechanism includes fixture block, kelly and second spring, the utility model discloses have the effect to the operating parts location, make things convenient for staff's dismouting jump ring to the effect of female plug is conveniently dismantled.

Description

Female plug of quick connector

Technical Field

The utility model relates to a technical field of fluid transmission, more specifically say that it relates to a quick-operation joint's female plug.

Background

The quick connector is a connector which can realize the connection or disconnection of pipelines without tools.

At present, chinese patent with publication number CN206377383U discloses a quick coupling, which comprises a male plug and a female socket, wherein the female socket comprises a shell, a valve core B and a valve seat B, the valve core B comprises a valve core head B, a valve core connecting portion B and a valve core rod B, a groove is annularly arranged in the middle of the valve core connecting portion B, the front side and the rear side of the groove are truncated cone bodies, the outer wall of the valve core connecting portion B is sleeved with a valve core O-shaped ring B, the outer wall of the left end of the shell is provided with an outer sleeve, the outer sleeve is connected with a.

When female plug internal spring elasticity reduces, when difficult connection male plug, need dismantle to female plug and dismantle. When the male plug is disassembled, the outer sleeve needs to be moved relative to the shell, the retainer ring is disassembled from the plug, a spring is arranged between the plug and the outer sleeve, the position of the shell and the position of the outer sleeve after movement need to be kept, and the retainer ring is very labor-saving and inconvenient to disassemble.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a female plug of quick-operation joint has the effect to the operating parts location, makes things convenient for staff's dismouting jump ring to the effect of female plug is conveniently dismantled.

In order to achieve the above purpose, the utility model provides a following technical scheme: a female plug of a quick connector comprises a fixed pipe, a conical pipe and a movable pipe, wherein the fixed pipe is fixedly connected with the large bottom surface of the conical pipe, one end of the movable pipe is fixedly connected with the small bottom surface of the conical pipe, the fixed pipe, the conical pipe and the movable pipe are provided with a same fixed hole, the outer circumferential surface of the fixed pipe is provided with a conical hole communicated with the fixed hole, a ball is arranged in the conical hole, the diameter of the ball is larger than the inner diameter of the conical hole close to the fixed hole and smaller than the inner diameter of the conical hole far away from the fixed hole, and an operating part for limiting the movement of the ball is sleeved outside the fixed; the operating part comprises an operating pipe sleeved outside the fixed pipe, the operating pipe is provided with an operating hole coaxial with the fixed hole, a fixed ring is fixedly connected in the operating pipe, and the inner circumferential surface of the fixed ring is attached to the outer circumferential surface of the fixed pipe; the outer surface of the fixed pipe is fixedly connected with a first limiting ring, the outer surface of the fixed pipe is provided with a first annular groove, a clamp spring is arranged in the first annular groove, when the fixed ring is abutted against the clamp spring, the fixed ring is respectively abutted against the ball and the outer surface of the fixed pipe, and the ball is partially embedded into the fixed hole; a first spring is sleeved outside the fixed pipe, and two ends of the first spring are respectively abutted against the fixed pipe and the fixed ring; the operating pipe is provided with a positioning mechanism for limiting the movement of the fixed pipe; the inner surface of the operation hole is provided with a clamping groove, one end of the clamping groove, which is far away from the opening, is provided with a clamping hole, the positioning mechanism comprises a clamping block, a clamping rod and a second spring, the clamping block is slidably arranged in the clamping groove, the clamping rod is arranged in the clamping hole in a penetrating mode, one end of the clamping rod is fixedly connected with the clamping block, the second spring is arranged in the clamping groove, and two ends of the second spring are respectively abutted against one end of the clamping; under the natural state, the second spring is in an unstressed or compressed state, and the clamping block is abutted to the fixed pipe.

By adopting the technical scheme, the movable clamping rod moves away from the fixed pipe, so that the clamping block is embedded into the clamping groove, and meanwhile, the second spring is compressed and deformed; and then, driving the operating part to move towards the movable pipe, so that the clamping block moves to one side close to the movable pipe from one end, far away from the movable pipe, of the first limiting ring, the acting force on the clamping rod is loosened, the second spring resets, the driving clamping block is separated from the clamping groove until the clamping block is abutted against the fixed pipe, the clamping spring is positioned for the operating part, then the clamping spring is detached by the operator, the operating part and the ball are separated from the fixed pipe one by one, and the effect of facilitating the worker to detach the female plug is achieved.

The utility model discloses further set up to: the second spring is sleeved outside the clamping rod.

Through adopting above-mentioned technical scheme, the position of restriction second spring prevents that the position from taking place the skew when the second spring warp.

The utility model discloses further set up to: and one end of the clamping block facing the fixed pipe is provided with an arc-shaped groove with the same outer diameter as the fixed pipe.

Through adopting above-mentioned technical scheme, adopt the arc wall, when the fixture block resets and fixed pipe butt, increase the area of contact of fixture block and fixed pipe, prevent the effect of fixture block wearing and tearing, have the effect that increases fixture block life.

The utility model discloses further set up to: a chamfer is formed at the joint of one end of the arc-shaped groove facing the fixed pipe and one end of the arc-shaped groove facing the first limiting ring.

By adopting the technical scheme, when the driving operation part moves, the chamfer firstly abuts against the first limiting ring, the clamping block is driven to be embedded into the position far away from the fixed pipe to move until the clamping block is completely embedded into the clamping groove, and the second spring is compressed and deformed; the chamfering device has a guiding effect, meanwhile, workers are not required to drive the clamping rod to enable the clamping block to move, and the chamfering device has the effects of reducing operation steps and increasing working efficiency.

The utility model discloses further set up to: the clamping rod faces one side of the movable pipe and is far away from one end of the fixed pipe, and the operation plate is fixedly connected with the clamping rod.

Through adopting above-mentioned technical scheme, can conveniently drive the kelly through the operation panel and remove along the axis direction in card hole, the staff operation of being convenient for.

The utility model discloses further set up to: the operating pipe is provided with an operating groove for the partial embedding of the operating plate.

Through adopting above-mentioned technical scheme, the operation panel is embedded into the operation inslot, prevents that the operation panel from surpassing the outer periphery of operation pipe, makes the product seem more pleasing to the eye, prevents simultaneously that the operation panel from causing the fish tail to the staff, has the effect of protection staff.

The utility model discloses further set up to: the surface of one end, far away from the fixed orifices, of the operating plate and the clamping rod is an arc-shaped surface, and the diameter of the arc-shaped surface is the same as the outer diameter of the fixed pipe.

Through adopting above-mentioned technical scheme, adopt the arcwall face for when the operation panel was embedded into the operation groove, make the arcwall face and the surface of fixed pipe form smooth surface.

The utility model discloses further set up to: and a friction strip is fixedly connected to one end, facing away from the clamping rod, of the operating plate.

By adopting the technical scheme, the friction strip is arranged, so that the friction force between the hand and the operating plate is increased, and the hand can conveniently drive the operating plate to move away from the fixed pipe; meanwhile, the friction strips have a marking effect, and workers can know the position of the operating plate conveniently.

The utility model discloses further set up to: the positioning mechanisms are at least provided with two groups, and the multiple groups of positioning mechanisms are arranged along the circumference of the fixed pipe in an array mode.

Through adopting above-mentioned technical scheme, positioning mechanism sets up the multiunit, further fixes a position the control tube, prevents that the control tube from removing.

To sum up, the utility model discloses following beneficial effect has: drive positioning mechanism earlier, move the fixture block to the one side that is close to the movable tube from the one end that the movable tube was kept away from to first spacing ring to make fixture block and first spacing ring butt, to the operating parts location, then the staff dismantles the jump ring, with operating parts, ball one by one with fixed tub separation, have the effect that makes things convenient for the staff to dismantle female plug.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the highlighted mounting tube of this embodiment;

FIG. 3 is a cross-sectional view of the highlighted tapered hole of the present embodiment;

FIG. 4 is an enlarged view of part A of the present embodiment;

fig. 5 is a schematic structural view of the positioning mechanism of the present embodiment.

Reference numerals: 1. a fixed tube; 11. a fixing hole; 12. a tapered hole; 13. a ball bearing; 14. a first limit ring; 15. a first ring groove; 16. a clamp spring; 17. a first spring; 2. a tapered tube; 3. a movable tube; 4. an operating member; 41. operating the tube; 411. an operation hole; 412. a card slot; 413. a clamping hole; 414. an operation slot; 42. a fixing ring; 5. a positioning mechanism; 51. a clamping block; 511. an arc-shaped slot; 512. chamfering; 52. a clamping rod; 521. an operation panel; 522. rubbing the strips; 53. a second spring; 54. an arc-shaped surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses quick-operation joint's female plug, as shown in fig. 1, fig. 2 and fig. 3, including fixed pipe 1, conical duct 2 and movable tube 3, fixed pipe 1 and the big bottom surface fixed connection of conical duct 2, the little bottom surface fixed connection of 3 one end of movable tube and conical duct 2, same fixed orifices 11 have been seted up to fixed pipe 1, conical duct 2 and movable tube 3. The outer circumference of the fixed pipe 1 is provided with a tapered hole 12 communicated with the fixed hole 11, a ball 13 is arranged in the tapered hole 12, the diameter of the ball 13 is larger than the inner diameter of the tapered hole 12 close to the fixed hole 11 and smaller than the inner diameter of the tapered hole 12 far away from the fixed hole 11, and an operating part 4 for limiting the movement of the ball 13 is sleeved outside the fixed pipe 1.

As shown in fig. 2 and 3, the operation element 4 includes an operation tube 41 sleeved outside the fixed tube 1, the operation tube 41 is provided with an operation hole 411 coaxial with the fixed hole 11, a fixed ring 42 is fixedly connected in the operation tube 41, and an inner circumferential surface of the fixed ring 42 is attached to an outer circumferential surface of the fixed tube 1. The outer fixed surface of the fixed pipe 1 is fixedly connected with a first limiting ring 14, the outer surface of the fixed pipe 1 is provided with a first ring groove 15, and a clamp spring 16 is arranged in the first ring groove 15. When the fixing ring 42 abuts against the snap spring 16, the fixing ring 42 abuts against the balls 13 and the outer surface of the fixing tube 1, and the balls 13 are partially fitted into the fixing holes 11. The fixed tube 1 is sleeved with a first spring 17, and two ends of the first spring 17 are respectively abutted against the fixed tube 1 and the fixed ring 42.

As shown in fig. 3 and 4, the operation tube 41 is provided with a positioning mechanism 5 that restricts the movement of the fixed tube 1. The positioning mechanisms 5 are at least provided with two groups, and the two groups of positioning mechanisms 5 are arranged along the circumference of the fixed pipe 1 in an array mode. The inner surface of the operation hole 411 is provided with a locking groove 412, one end of the locking groove 412, which is far away from the opening, is provided with a locking hole 413, the positioning mechanism 5 comprises a locking block 51 slidably disposed in the locking groove 412, a locking rod 52 disposed in the locking hole 413 and having one end fixedly connected with the locking block 51, and a second spring 53 disposed in the locking groove 412, and the second spring 53 is sleeved outside the locking rod 52. Two ends of the second spring 53 are respectively abutted against one end of the slot 412 far away from the opening and the latch 51. In the natural state, the second spring 53 is in an unstressed or compressed state, and the latch 51 abuts against the fixed tube 1.

As shown in fig. 4 and 5, an arc groove 511 having the same outer diameter as the fixed pipe 1 is formed at one end of the fixture block 51 facing the fixed pipe 1, a chamfer 512 is formed at the joint of one end of the arc groove 511 facing the fixed pipe 1 and one end facing the first limit ring 14, the chamfer 512 has a guiding effect, and the worker does not need to drive the fixture rod 52 to move the fixture block 51, so that the operation steps are reduced, and the working efficiency is increased.

As shown in fig. 4 and 5, an operation plate 521 is fixedly connected to one end of the locking lever 52 facing the movable pipe 3 and away from the fixed pipe 1. The operation tube 41 is provided with an operation slot 414 into which the operation plate 521 is partially inserted. The surfaces of the operating plate 521 and the clamping rod 52 at the ends far away from the fixing hole 11 are arc-shaped surfaces 54, and the diameters of the arc-shaped surfaces 54 are the same as the outer diameter of the fixing pipe 1. When the operation plate 521 is completely inserted into the operation slot 414, since the diameter of the arc surface 54 is the same as the outer diameter of the fixed pipe 1, the arc surface 54 forms a smooth surface with the outer surface of the fixed pipe 1.

As shown in fig. 4 and 5, a friction strip 522 is fixedly connected to one end of the operating plate 521 facing away from the clamping rod 52, so that friction between a human hand and the operating plate 521 is increased, and the human hand can drive the operating plate 521 to move away from the fixed pipe 1. The friction bar 522 has an identification effect, so that a worker can know the position of the operating plate 521 conveniently.

The working principle is as follows: the operating part 4 is firstly driven to move towards the movable pipe 3, meanwhile, the first spring 17 is compressed and deformed, the chamfer 512 is firstly abutted with the first limiting ring 14, so that the clamping block 51, the clamping rod 52 and the operating plate 521 move together towards the direction far away from the fixed pipe 1, and meanwhile, the second spring 53 is compressed and deformed; until the latch 51 is inserted into the latch groove 412; and then the operating part 4 is driven to move towards the movable tube 3, so that the fixture block 51 moves to one side close to the movable tube 3 from one end, far away from the movable tube 3, of the first limiting ring 14, the second spring 53 resets, the fixture block 51 is driven to be separated from the clamping groove 412 until the fixture block 51 is abutted against the fixed tube 1, the second spring 53 resets to drive the fixture block 51 to be abutted against the first limiting ring 14, and then the operating part 4 and the ball 13 are separated from the fixed tube 1 one by one.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a quick-operation joint's female plug, includes fixed pipe (1), conical duct (2) and movable tube (3), fixed pipe (1) and the big bottom surface fixed connection of conical duct (2), movable tube (3) one end and the little bottom surface fixed connection of conical duct (2), same fixed orifices (11), its characterized in that have been seted up in fixed pipe (1), conical duct (2) and movable tube (3): the outer circumferential surface of the fixing pipe (1) is provided with a tapered hole (12) communicated with the fixing hole (11), a ball (13) is arranged in the tapered hole (12), the diameter of the ball (13) is larger than the inner diameter, close to the fixing hole (11), of the tapered hole (12) and smaller than the inner diameter, far away from the fixing hole (11), of the tapered hole (12), and an operating part (4) for limiting the movement of the ball (13) is sleeved outside the fixing pipe (1); the operating part (4) comprises an operating pipe (41) sleeved outside the fixed pipe (1), the operating pipe (41) is provided with an operating hole (411) coaxial with the fixed hole (11), a fixed ring (42) is fixedly connected in the operating pipe (41), and the inner circumferential surface of the fixed ring (42) is attached to the outer circumferential surface of the fixed ring (42); the outer surface of the fixed pipe (1) is fixedly connected with a first limiting ring (14), the outer surface of the fixed pipe (1) is provided with a first annular groove (15), a clamp spring (16) is arranged in the first annular groove (15), when the operating ring is abutted to the clamp spring (16), the operating ring is respectively abutted to the ball (13) and the outer surface of the fixed pipe (1), and the ball (13) is partially embedded into the fixed hole (11); a first spring (17) is sleeved outside the fixed pipe (1), and two ends of the first spring (17) are respectively abutted against the fixed pipe (1) and the fixed ring (42); the operating pipe (41) is provided with a positioning mechanism (5) for limiting the movement of the fixed pipe (1); the inner surface of the operation hole (411) is provided with a clamping groove (412), one end, far away from the opening, of the clamping groove (412) is provided with a clamping hole (413), the positioning mechanism (5) comprises a clamping block (51) arranged in the clamping groove (412) in a sliding mode, a clamping rod (52) arranged in the clamping hole (413) in a penetrating mode, one end of the clamping rod is fixedly connected with the clamping block (51), and a second spring (53) arranged in the clamping groove (412), and two ends of the second spring (53) are respectively abutted to one end, far away from the opening, of the clamping groove (412) and the clamping block (51); in a natural state, the second spring (53) is in an unstressed or compressed state, and the fixture block (51) is abutted to the fixed pipe (1).

2. The female plug of a quick connector as claimed in claim 1, wherein: the second spring (53) is sleeved outside the clamping rod (52).

3. The female plug of a quick connector as claimed in claim 1, wherein: one end of the clamping block (51) facing the fixed pipe (1) is provided with an arc-shaped groove (511) with the same outer diameter as the fixed pipe (1).

4. The female plug of a quick connector as claimed in claim 3, wherein: a chamfer (512) is formed at the joint of one end of the arc-shaped groove (511) facing the fixed pipe (1) and one end of the arc-shaped groove facing the first limiting ring (14).

5. The female plug of a quick connector as claimed in claim 1, wherein: the clamping rod (52) faces one side of the movable pipe (3) and is far away from one end of the fixed pipe (1) to be fixedly connected with an operation plate (521).

6. The female plug of a quick connector as claimed in claim 5, wherein: the operation tube (41) is provided with an operation groove (414) for partially embedding the operation plate (521).

7. The female plug of a quick connector as claimed in claim 6, wherein: the surface of one end, away from the fixing hole (11), of the operating plate (521) and the clamping rod (52) is an arc-shaped surface (54), and the diameter of the arc-shaped surface (54) is the same as the outer diameter of the fixing pipe (1).

8. The female plug of a quick connector as claimed in claim 5, wherein: a friction strip (522) is fixedly connected to one end, facing away from the clamping rod (52), of the operating plate (521).

9. The female plug of a quick connector as claimed in claim 1, wherein: the positioning mechanisms (5) are at least provided with two groups, and the multiple groups of positioning mechanisms (5) are arranged along the circumference of the fixed pipe (1) in an array mode.