TW201640042A - Threaded nozzle quick release adaptor structure - Google Patents

Abstract

The present invention provides a threaded nozzle quick release adaptor structure, which comprises an adaptor, an airtight seal ring, a valve fitting, and a control element, wherein the valve fitting is arranged at an end of the adaptor; the airtight seal ring is arranged between the adaptor and the valve fitting; and the control piece is fit to the adaptor. The adaptor of the present invention comprises a unitary body, which helps overcome the problems that the art valve adaptor structure according to prior art is complicated and requires more parts. Furthermore, the adaptor according to the present invention comprises two clamps that are received in the body in radial directions and each of the clamps comprises a seal ring that overcomes the issue of being hard to slide due to contact engagement between a control piece and two seal rings of the valve adaptor according to prior art thereby providing a threaded nozzle quick release adaptor structure that comprises less parts with the control element being not abrading the seal ring during sliding so that the operation can be conducted with less effort.

Description

Screw nozzle quick joint structure

The present invention relates to a pump for providing inflation, and in particular to a screw joint quick joint structure which is simple in structure and relatively labor-saving.

The gas nozzle joint of the pump is combined with the gas nozzle for inflation, and the commonly used gas nozzle includes a French air nozzle and an American air nozzle, and a conventional air nozzle joint disclosed in the public number TW201321635A1 includes The utility model has a body, more than one chuck, two sealing rings and a control member, wherein one or more chucks are radially placed on the body, the two sealing rings are respectively placed on the two ends of the body, and the control member is sleeved on the joint and It is in contact with two rings; when the gas nozzle joint is used with the gas nozzle to inflate, the gas nozzle is clamped by more than one chuck, and the fixed type of the gas nozzle is clamped by the chuck to save the locking. The time of the nozzle allows the user to quickly disassemble the nozzle. However, the conventional air nozzle joint uses a control member to drive one or more chucks to hold the air nozzle, but the control member is in contact with the two seal rings, which causes difficulty in sliding and is labor intensive.

In order to solve the problem that the control member of the existing air nozzle joint is in contact with the two seal rings and is difficult to slide, the present invention provides a screw joint quick joint structure, and a seal ring is placed on the chuck which is placed in the chuck chamber to achieve the gas. The dense effect makes the control member not rub against the seal ring when sliding, which is more labor-saving.

The present invention solves the technical problem of the threaded nozzle quick joint structure, comprising: a joint comprising a body, at least one collet and at least one sealing ring, the body having two ends and including a channel and at least one clip a head chamber axially extending through the body, the collet chamber being disposed corresponding to the collet, the collet chamber extending radially from the outer peripheral surface of the body to the passage and forming a peripheral wall The seal ring is sleeved and abuts against the collet, the collet is movably mounted to the collet chamber radially toward the passage, the seal ring abutting the collet chamber a gas nozzle kit is disposed at one end of the body and axially provided with a nozzle for communicating with the passage; an airtight ring corresponding to a gas nozzle, the airtight ring is aligned with the passage and disposed on the body Between the nozzle sets; and a control member movably disposed on the joint and having at least one abutment against the collet to change the position of the collet within the collet through-hole.

The threaded nozzle quick joint structure, wherein the chuck chamber comprises a chuck through hole extending radially from an outer peripheral surface of the body to the passage; the chuck The utility model comprises a clamping head corresponding to the through hole of the collet, the clamping head comprises a pressing end, a clamping tooth and a ring groove, wherein the pressing end and the clamping tooth are arranged on the clamping head The two ends are corresponding to the French air nozzle, and the sealing groove is located between the pressing end and the clamping tooth, and the sealing groove is annularly recessed from the circumferential surface of the clamping head and sleeved The sealing ring is disposed; the clamping head is disposed in the collet through hole, the clamping head faces the passage with the provided clamping teeth and the pressing end abuts against the control member.

The threaded nozzle quick joint structure, wherein the chuck chamber includes a spring chamber that communicates with the collet through hole and radially from the outer peripheral surface of the body toward the passage Extending; the collet includes a spring mounting portion protruding from a side of the pressing end; the spring chamber is radially provided with a spring, the spring mounting portion is received in the spring chamber and abuts In the spring.

In the screw joint quick-connect structure, the joint is provided with a ring-shaped mounting portion, and the mounting portion is axially connected to an end of the body away from the card portion of the control member and is disposed on the outer peripheral surface. An external thread, the airtight ring is mounted to the inside of the mounting portion; the nozzle assembly includes a joint portion that is axially recessed from the end surface of the nozzle kit toward the inside of the nozzle kit and communicates with The nozzle is perforated, and the joint portion has an inner peripheral surface. The inner peripheral surface of the joint portion is provided with an internal thread corresponding to the mounting portion, and the nozzle kit is screwed to the joint portion of the joint with the joint portion provided.

The threaded nozzle quick joint structure, wherein the joint comprises a gas pipe mouth, the gas pipe mouth is disposed at an end of the body away from the gas nozzle set, and the gas pipe mouth is provided with an air inlet, the inlet The air passage extends axially through the air duct nozzle and communicates with the passage of the body.

The threaded nozzle quick joint structure, wherein the control member is sleeve-shaped and sleeved on the joint, and the control member is annularly protruded from the inner circumferential surface corresponding to the position of the chuck unit.

The screw-tooth nozzle quick joint structure, wherein the body is provided with a sliding groove having a cross-section in a shape of a tail on a side where the chuck chamber is disposed, and the control member is disposed corresponding to the chute and corresponds to The position of the collet is provided with abutting portion, and the control member is disposed in the sliding slot.

The screw-tooth nozzle quick joint structure, wherein the control member is sleeve-shaped and sleeved on the joint, and the control member protrudes from the inner circumferential surface corresponding to the position of the chuck Arrival.

The enhancement of the technical means available in this creation is that the creation of the seal is placed on the collet that is placed in the collet chamber, and the control member of the present invention does not seal with the seal when compared with the existing nozzle. Friction not only saves effort in use, but also avoids the problem that the lower seal ring is hardened and deteriorated due to long-term use, resulting in difficulty in sliding the control member.

In order to understand the technical features and practical functions of the present work in detail, and in accordance with the creative content, the following further describes the preferred embodiment as shown in the following figure:

As shown in FIG. 1 and FIG. 2, the first preferred embodiment of the present invention relates to: a joint 10, an airtight ring 20, a nozzle assembly 30 and a control member 40; The nozzle assembly 30 is disposed on the joint 10, and the airtight ring 20 is disposed between the joint 10 and the nozzle assembly 30. The control member 40 is sleeved on the joint 10, and the creation system is matched with the French gas on the market. The mouth 80 is used for inflation.

As shown in FIG. 2 and FIG. 3 , the joint 10 has two ends and includes a body 11 , a gas pipe nozzle 12 , a mounting portion 13 , two chucks 14 , two springs 15 and two sealing rings 16 . 11 has two ends and includes a channel 111, a control card portion 112, a convex portion 113, two collet chambers 114 and a confinement ring 115. The passage 111 extends axially through the body 11, and the control member card portion 112 The ring is disposed at one end of the body 11 and protrudes from the outer peripheral surface of the body 11. The convex portion 113 protrudes from the outer peripheral surface of the body 11 and extends axially from the control member card portion 112 to the other end of the body 11. The two collet chambers 114 are identical in structure and are disposed on opposite sides of the main body 11. Each of the collet chambers 114 includes a spring chamber 1141 and a collet through hole 1142. The spring chamber 1141 is adjacent to the control member. The card portion 112 extends from the outer peripheral surface of the body 11 toward the channel 111. The through hole 1142 is disposed at an end of the body 11 away from the control card portion 112. The through hole 1142 and the spring are accommodated. The chamber 1141 is in communication and extends radially from the outer peripheral surface of the body 11 to the passage 111, and the restraining ring 115 is located away from the body 11 The control card 112 and an end portion from the axial end surface of the body 11 protrudes, the two springs 15 are received in radially of the two spring accommodating chamber 1141;

The air tube nozzle 12 is axially connected to one end of the body 11 where the control unit card portion 112 is disposed. The air tube nozzle 12 is provided with an air inlet 121, and the air inlet tube 121 extends axially through the air tube nozzle 12 and communicates The channel 111 of the body 11;

The mounting portion 13 is annular and axially connected to an end of the body 11 away from the control card portion 112. The diameter of the mounting portion 13 is larger than the diameter of the limiting ring 115 of the body 11. The outer periphery of the mounting portion 13 External thread on the surface;

The structure of the two collets 14 is the same. The following is only a description of the collet 14: the collet 14 is disposed corresponding to the collet chamber 114 and includes a clip head 141 and a spring mounting portion 142. The clamping head portion 141 is disposed corresponding to the collet through hole 1142 of the collet chamber 114 and has two ends in the radial direction corresponding to the joint 10, and the collet portion 141 includes a pressing end 1411, a pinion 1412, and a ring groove 1413, the pressing end 1411 and the pinion 1412 are disposed at opposite ends of the clamping head 141, and the clamping teeth 1412 are disposed corresponding to the French air nozzle 80, and the sealing groove 1413 is from the clamping The circumferential surface of the head portion 141 is annularly recessed and located between the pressing end 1411 and the clamping tooth 1412. The spring mounting portion 142 is protruded from the side surface of the pressing end 1411, and the protruding direction of the spring mounting portion 142 is The body 11 has the same axial direction. The spring mounting portion 142 protrudes from the pinion 1412 with a post 1421. The ring groove 1413 covers the ring 16 . In the preferred embodiment of the present invention, the body 11 is provided with two collet chambers 114. In application, more than one collet chamber 114 can be disposed on the circumferential surface of the body 11, and a corresponding number is provided. Chuck 14.

As shown in FIG. 2 and FIG. 3, the airtight ring 20 is made of an elastic material and is provided with a French air nozzle 80 on the market. The two end faces of the airtight ring 20 are concavely disposed corresponding to the body 11. The groove of the restriction ring 115 is restricted.

As shown in FIG. 2 and FIG. 3, the nozzle assembly 30 has two ends and includes a joint portion 31 and a nozzle hole 32. The joint portion 31 is axially directed from the end surface of the nozzle sleeve 30 toward the nozzle assembly 30. The inner recessed portion has an inner peripheral surface and a bottom surface, and the inner peripheral surface of the joint portion 31 is provided with an internal thread corresponding to the mounting portion 13, and the bottom surface of the joint portion 31 corresponds to the restricting ring 115 of the body 11 and A groove defining ring 311 is protruded from the groove of the airtight ring 20; the nozzle hole 32 extends axially from the other end of the air nozzle set 30 to the joint portion 31.

As shown in FIG. 2 and FIG. 3, the control member 40 is a stepped sleeve formed by combining two cylinders having different diameters and includes abutting portion 41 and a recess 42. The abutting portion 41 is located in the control. One half of the length of the member 40 is annularly protruded from the inner peripheral surface of the control member 40. The recess 42 is disposed corresponding to the convex portion 113 provided in the body 11 and extends from the abutting portion 41 to the control member. A section of 40 caliber.

As shown in FIG. 2 and FIG. 3, when the first preferred embodiment of the present invention is installed, the airtight ring 20 is first installed inside the mounting portion 13 of the joint 10, and the nozzle assembly 30 is set. The joint portion 31 is locked to the mounting portion 13, and then the spring chambers 1141 of the two collet chambers 114 of the main body 11 are respectively loaded with the springs 15, and the two collets 14 are provided with the two teeth 1412. Facing the joint 10, the two collets 14 are respectively radially inserted into the two collet chambers 114 provided in the main body 11, so that the collet heads 141 of the collet 14 are placed through the collet through holes. 1142, the post 1421 of the spring mounting portion 142 of each collet 14 is pressed against and is placed on each spring 15, and the pressing end 1411 of each collet 14 is pushed by the spring 15 to protrude from each collet through hole 1142. Next, the control member 40 is placed on the body 11 so that the control member 40 abuts against the two collets 14, that is, the installation of the first preferred embodiment of the present invention is completed.

As shown in FIG. 4, when the first preferred embodiment of the present invention is used to inflate the French air nozzle 80, the French air nozzle 80 is first inserted into the body through the nozzle hole 32 provided in the nozzle assembly 30. The passage 111 of the control member 40 is rotated, and the notch 42 of the control member 40 is engaged with the convex portion 113 of the body 11 to guide the control member 40 toward the nozzle assembly 30. One end is axially slid. At this time, the abutting portion 41 of the control member 40 is pressed against the pressing end 1411 of the two collet 14 to move the two teeth 1412 radially toward the passage 111, and the two clips are The French air nozzle 80 is clamped by the tooth 1412. At this time, the airtight ring 20 abuts against the shoulder of the French air nozzle 80. The valve body of the French air nozzle 80 is opened by the pressure of the inflation source, so that the French gas is opened. The mouth 80 is inflated.

As shown in FIG. 5, FIG. 6, and FIG. 7, the second preferred embodiment of the present invention is substantially the same as the first preferred embodiment. The difference between the second preferred embodiment and the first preferred embodiment is that each clip is The pin 1412 of the head 14 extends radially from the pressing end 1411; the collet through hole 1142 of each collet chamber 114 is provided with a ring stop 1143 near the channel 111, two of the second preferred embodiment The seal ring 16 is respectively placed on the two teeth 1412 of the chuck 14 and is stopped by the two seal ring portions 1143.

A third preferred embodiment of the present invention is shown in FIG. 8, which differs from the above embodiment in that, in the first and second preferred embodiments, the joint 10 and the nozzle assembly 30 are two separate members. The two latches 14 are controlled by the sleeve-like control member 40 sliding on the body 11 and the control member card portion 112 is disposed at one end of the body 11 . To prevent the control member 40 from falling off; in the third preferred embodiment, the nozzle assembly 30 is integrally disposed on the joint 10, and the body 11 of the joint 10 is recessed with a buckle groove at an end away from the nozzle assembly 30. And a retaining ring is disposed on the two sides of the body 11 to provide two sliding slots 117 having a cross-section in a tail shape, and two control members 40 corresponding to the two sliding slots 117 are disposed. The two control members 40 are respectively disposed with abutting portion 41. The two control members 40 are respectively disposed on the two sliding slots 117. As shown in FIG. 9A and FIG. 9B, when the two control members 40 are slid, The two abutting portions 41 provided by the two control members 40 respectively abut the two collets 14 and control the two collets 14 in the two collet through holes 1142. Position, the retaining ring groove of the sleeve 116 opposite the buckle can control two blocking member 40 to prevent two of the control member 40 from the body 11 off.

As shown in FIGS. 10, 11A, and 11B, the fourth preferred embodiment of the present invention is substantially the same as the third preferred embodiment, except that in the preferred embodiment, the abutting portion 41 is from the control member 40. The inner peripheral surface of the inner ring is convexly disposed, and the user slides the control member 40 toward the nozzle assembly 30 to control the two collets 14; in the fourth preferred embodiment, the main body 11 is convex on the outer peripheral surface. There are two convex portions 113. The control member 40 is provided with a second abutting portion 41 and a second blocking portion 43. The two abutting portions 41 are correspondingly protruded from the inner circumferential surface of the control member 40 corresponding to the positions of the two colleting portions 14 and are individually arranged. a guiding surface 411 having an oblique direction, the guiding surfaces 411 of the two abutting portions 41 are opposite to each other, and the two blocking portions 43 are correspondingly protruded from the inner circumferential surface of the control member 40; When the control member 40 is rotated in the counterclockwise direction, the two abutting portions 41 can be respectively abutted against the two colleting heads 14 along the two guiding surfaces 411, and the two collets are controlled. 14 is in the position of the two collet through holes 1142.

The threaded quick nozzle structure of the present invention has two sealing rings 16 respectively disposed on the two collets 14 to achieve the airtight effect, and the present invention is compared with the existing air nozzle joint to seal the ring on the main body. The control member 40 does not rub against the two seal rings 16 when sliding, which not only saves labor in use, but also avoids the problem that the lower seal ring is hardened and deteriorated for a long period of time, and the control member 40 is difficult to slide.

10‧‧‧Connectors
11‧‧‧Ontology
111‧‧‧ channel
112‧‧‧Control Parts Department
113‧‧‧ convex
114‧‧‧Clamping chamber
1141‧‧‧Spring chamber
1142‧‧‧Chuck through hole
1143‧‧‧ Sealing ring
115‧‧‧Restricted ring
116‧‧‧ buckle ring
117‧‧ ‧ chute
12‧‧‧ tracheal nozzle
121‧‧‧ Inlet
13‧‧‧Installation Department
14‧‧‧ chuck
141‧‧ ‧ clip head
1411‧‧‧Fighting end
1412‧‧‧ teeth
1413‧‧‧ sealing ring
142‧‧‧Spring Mounting Department
1421‧‧‧clamp
15‧‧‧ Spring
16‧‧‧Seal
20‧‧‧ airtight ring
30‧‧‧Air nozzle kit
31‧‧‧Combination
311‧‧‧Restricted ring
32‧‧‧ nozzle piercing
40‧‧‧Controls
41‧‧‧Parts
411‧‧‧ Guide surface
42‧‧‧ Notch
43‧‧ ‧ blocking
80‧‧‧ French vents

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the appearance of a first preferred embodiment of the present invention. Figure 2 is an exploded view of the first preferred embodiment of the present invention. Figure 3 is a cross-sectional view of the combination of the first preferred embodiment of the present invention. Figure 4 is a cross-sectional view of the first preferred embodiment of the present invention in combination with a French air nozzle. Figure 5 is an exploded view of the second preferred embodiment of the present invention. Figure 6 is a cross-sectional view of the combination of the second preferred embodiment of the present invention. Figure 7 is a cross-sectional view of the second preferred embodiment of the present invention in combination with a French air nozzle. Figure 8 is a cross-sectional view showing the combination of the third embodiment of the present creation. Figure 9A is a schematic view showing the operation of the third preferred embodiment of the present invention. Figure 9B is a schematic view showing the operation of the third preferred embodiment of the present invention. Figure 10 is a cross-sectional view showing the combination of the fourth preferred embodiment of the present invention. Figure 11A is a schematic view showing the operation of the fourth preferred embodiment of the present invention. Figure 11B is a schematic view showing the operation of the fourth preferred embodiment of the present invention.

10‧‧‧Connectors

11‧‧‧Ontology

111‧‧‧ channel

112‧‧‧Control Parts Department

113‧‧‧ convex

114‧‧‧Clamping chamber

1141‧‧‧Spring chamber

1142‧‧‧Chuck through hole

115‧‧‧Restricted ring

12‧‧‧ tracheal nozzle

121‧‧‧ Inlet

13‧‧‧Installation Department

14‧‧‧ chuck

141‧‧ ‧ clip head

1411‧‧‧Fighting end

1412‧‧‧ teeth

1413‧‧‧ sealing ring

142‧‧‧Spring Mounting Department

1421‧‧‧clamp

15‧‧‧ Spring

16‧‧‧Seal

20‧‧‧ airtight ring

30‧‧‧Air nozzle kit

31‧‧‧Combination

311‧‧‧Restricted ring

32‧‧‧ nozzle piercing

40‧‧‧Controls

41‧‧‧Parts

42‧‧‧ Notch

Claims (8)

A threaded nozzle quick joint structure comprising: a joint comprising a body, at least one collet and at least one seal ring, the body having two ends and including a passage, at least one collet chamber, the passage shaft To pass through the body, the collet chamber is disposed corresponding to the collet, the collet chamber radially extending from the outer peripheral surface of the body to the passage and forming a peripheral wall, the seal ring is sleeved and Abutting against the collet, the collet is movably mounted to the collet chamber radially toward the passage, the seal ring abutting against a peripheral wall of the collet chamber; a nozzle kit, Disposed at one end of the body and axially provided with a nozzle for communicating with the passage; an airtight ring corresponding to a gas nozzle, the airtight ring is aligned with the passage and disposed between the body and the nozzle assembly; And a control member movably disposed on the joint and having at least one abutting portion against the collet to change a position of the collet within the collet through hole. The threaded nozzle quick joint structure according to claim 1, wherein the chuck chamber comprises a collet through hole extending radially from the outer peripheral surface of the body to the passage; The clamping head includes a clamping head disposed corresponding to the through hole of the chuck, the clamping head includes a pressing end, a clamping tooth and a ring groove, and the pressing end and the clamping tooth are disposed on the clamping head The opposite ends of the clamping head are disposed corresponding to the French air nozzle, the sealing groove is located between the pressing end and the clamping tooth, and the sealing groove is annular from the circumferential surface of the clamping head The sealing ring is recessed and sleeved; the clamping head is disposed in the collet through hole, the clamping head faces the passage with the provided clamping teeth and the pressing end abuts against the control member. The screw nozzle quick connector structure according to claim 2, wherein the chuck chamber includes a spring chamber that communicates with the collet through hole and faces from the outer peripheral surface of the body The spring extends radially; the chuck includes a spring mounting portion protruding from a side of the pressing end; the spring chamber is radially provided with a spring, and the spring mounting portion is received in the spring capacity The chamber is also abutted against the spring. The screw-type air nozzle quick connector structure according to claim 3, wherein the joint is provided with a mounting portion that is annular, and the mounting portion is axially connected to an end of the body away from the card portion of the control member. The outer peripheral surface is provided with an external thread, and the airtight ring is mounted to the inside of the mounting portion; the nozzle assembly includes a joint portion axially facing from the end surface of the nozzle sleeve toward the inside of the nozzle kit And connecting the nozzle through hole, the joint portion has an inner peripheral surface, the inner peripheral surface of the joint portion is provided with an internal thread corresponding to the mounting portion, and the nozzle kit is screwed to the joint with the joint portion provided Installation department. The threaded nozzle quick joint structure according to claim 4, wherein the joint comprises a gas pipe nozzle, the gas pipe nozzle is disposed at an end of the body away from the gas nozzle set, and the gas pipe nozzle is provided with an air inlet. The passageway axially extends through the passage of the gas pipe nozzle and communicates with the body. The threaded nozzle quick joint structure according to any one of claims 1 to 5, wherein the control member is sleeve-shaped and sleeved on the joint, the control member corresponding to the position of the chuck The abutting portion is protruded from the inner circumferential surface. The threaded nozzle quick joint structure according to any one of claims 1 to 5, wherein the body is provided with a chute having a dovetail shape in a side surface on which the collet chamber is disposed, the control The component is disposed corresponding to the chute and is provided with abutting portion corresponding to the position of the collet, and the control member is disposed in the chute. The threaded nozzle quick joint structure according to any one of claims 1 to 5, wherein the control member is sleeve-shaped and sleeved on the joint, the control member corresponding to the position of the chuck The abutting portion is protruded from the inner peripheral surface.