TW201531637A - Single-nozzle tire valve and direct-press dual-valve automatic switching tire valve - Google Patents

Abstract

The present invention provides a single-nozzle tire valve and direct-press dual-valve automatic switching tire valve, which at least comprises a body, a nozzle, and a valve plug. The nozzle has a hole to be disposed within one end of the valve plug and both are together disposed within the valve hole of the body. At least one end or both ends of the valve plug are formed with a plurality of holding paws arranged in a circle with intervals, and the outer surface of each holding paw is formed as an arched portion. The interior of the valve plug is formed with at least one channel to be communicated with the nozzle hole. The body is provided with an air supply hole to be connected with an air pressure source. The valve plug may be moved back and forth in a position-limited manner between a first position and a second position in the body. With the aforementioned structure, the user may make a tire valve to be inserted in the nozzle with one hand, which will thus move the valve plug to a limited position, such that the air supply hole may simultaneously connect the channel and the nozzle hole inside the valve plug. The valve hole may simultaneously press each holding paw, so that each holding paw may automatically hold the nozzle in the radial direction by the guiding of the arched portion of each holding paw, and thus the inflation of the tire valve can be proceeded. Both ends of the valve plug are configured with holding paws arranged in a circle with intervals, and the holding paws at both ends may be configured for different types of nozzle, so that the user may proceed the inflation for different types of tire valves in a single-handed operation.

Description

Single-mouth wind nozzle and direct pressure double valve nozzle automatically switch the air nozzle

The invention relates to a wind mouth head which can be used alone or in combination. More specifically, it relates to the technical field of directly inflating by inserting a nozzle to be inflated by one hand, thereby greatly improving the technical field. The dual-use wind mouth is smooth and convenient when pumping.

Press, the previous two-use wind mouth is like China's application No. 095107665, No. 097203517. . As shown in the previous patent case, however, these patents have the following disadvantages:

1. In the case of these patents, when pumping, you must hold the body with one hand and control the nozzle to be inserted into any nozzle, and then use another hand to push the wrench to move the internal cylinder down. The mouthpiece of the movable mouth is to be inflated, and finally, the air can be pumped. This mode of operation through both hands is not convenient, and it is time-consuming and laborious.

Second, the patents are forced to move the nozzle axially through the downward movement of the cylinder to "indirectly" actuate the nozzle to be inflated by the radial deformation of the nozzle. The radial deformation of the nozzle is quite limited. Therefore, the force of the mouthpiece to be inflated is quite limited, so when inflating, it is very easy to have a gas leak problem.

Third, the overall structure of the patents is too complex, resulting in manufacturing and assembly costs that cannot be reduced.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

That is, the main object of the present invention is to allow the tuyere to be pumped with only one hand.

The secondary object of the present invention is to allow the wind mouth head to have two types of nozzles, so that the wind mouth head can not only be operated by one hand, but also can be freely selected according to the type of the air nozzle to be used.

The present invention provides a direct-pressure double-nozzle automatic switching air nozzle head, which at least includes: a body having a valve hole penetrating therethrough, and an air supply hole is connected between the two ends of the valve hole; a first nozzle having a first nozzle hole for the first to-be-inflated nozzle; an annular second nozzle having a second nozzle for the second inflation nozzle to be inserted; and a valve a plug capable of moving between the first and second positions along the axial direction of the valve hole; the valve plug is provided with a plurality of first jaws and second jaws, so that the first jaws are The first layer is configured to define a first bundle of holes coaxial with the valve hole and radially convergent, the first beam is for coaxial insertion and assembly of the first nozzle, and the second clamp The claws are arranged in a ring shape to define a second beam hole coaxially disposed with the valve hole and radially converging, and the second beam hole is coaxially inserted into the second nozzle for assembly; The first nozzle is inserted into the inflation nozzle, and the valve plug can be moved to the first position, so that the valve hole releases the second jaw and presses the first jaw So that the first beam of holes automatically clamps the first nozzle radially, and the air supply hole is opened to the first nozzle hole, so that the first to-be-inflated nozzle can be pumped; however, when the second to-be-inflated nozzle is inserted into the second When the nozzle is used to move the valve plug to the second position, the valve hole releases the first jaw and presses the second jaw, so that the second jaw automatically clamps the second nozzle automatically, and The air supply hole is opened to the second nozzle hole, and the second air inlet nozzle can be pumped.

The present invention further provides a single-nozzle tuyere comprising: a body having a valve hole penetrating therethrough, and an air supply hole is connected between the two ends of the valve hole; an annular first nozzle having a first nozzle hole for inserting a gas inlet nozzle, a nozzle is placed in a valve plug; a valve plug is disposed in the body, and is reciprocally movable between the first to second positions along the axial direction of the valve hole of the body; the valve plug One of the ends is provided with a plurality of jaws, and the other end is formed with a closed pressing portion. The inside of the valve plug is formed with a flow passage and is electrically connected to the outer annular surface, and the jaws are separated by a bundle. The groove is arranged in an annular shape to define a beam hole coaxially disposed with the valve hole and radially converging, and the outer surface of each clamping jaw forms a radially enlarged arc portion, the beam hole is for the first The nozzle is coaxially inserted into the assembly; when the first to-be-inflated nozzle is inserted into the first nozzle, the valve plug can be moved to the first position, so that the pressing portion protrudes to the outside of the valve hole, and the valve hole is pressed against the jaws, Guided by the arc of each of the jaws, the beam hole is automatically and radially clamped to the first nozzle, and the air supply hole simultaneously opens the valve plug Ilk channel portion to the outer annular surface and the first nozzle hole, to be able to pump to a pneumatic nozzle.

Therefore, the present invention has at least the following advancement:

1. The present invention can be easily operated by simply manipulating the body through one hand when providing air pumping. This one-hand operation mode is far more convenient and simpler than the conventional two-hand operation, and has the benefit of saving time and labor. Nothing wrong.

2. The jaw of the present invention is a "direct" compression nozzle that is radially deformed to strongly restrain the aeration nozzle. This structural relationship minimizes air leakage during air pumping.

3. The invention can be achieved only by the four components of the body, the first nozzle, the second nozzle and the valve plug, and the overall structure is far more compact than the conventional one.

10‧‧‧ Ontology

11‧‧‧ valve hole

12‧‧‧ Air supply holes

13‧‧‧First Card Department

14‧‧‧ Second Card Department

20‧‧‧First mouthpiece

21‧‧‧ first mouth

30‧‧‧second mouthpiece

31‧‧‧ second mouth

40‧‧‧ valve plug

411‧‧‧First approach

412‧‧‧Second approach

421‧‧‧First leak-proof gasket

422‧‧‧Second leakproof washer

423‧‧‧ Third Leakproof Gasket

431‧‧‧First buckle

432‧‧‧second buckle

44‧‧‧First jaw

441‧‧‧ first stop

45‧‧‧second jaw

451‧‧‧second stop

46‧‧‧First beam

47‧‧‧First beam hole

48‧‧‧second beam

49‧‧‧second beam

50‧‧‧Wind mouth

51‧‧‧Ontology

511‧‧‧ valve hole

512‧‧‧Flange

513‧‧‧ external thread

514‧‧‧ Air supply holes

515‧‧‧ tube head

516‧‧‧ pipe plug

52‧‧‧ valve plug

521‧‧‧ Pressing Department

522‧‧‧ ring shoulder

523‧‧‧Circle

524‧‧‧Introduction

525‧‧‧ mouth

526‧‧‧Circle

527‧‧‧ external thread

528‧‧‧ joints

53‧‧‧First o-ring

54‧‧‧second o-ring

55‧‧‧First mouthpiece

551‧‧‧First mouth

552‧‧‧ring wedge

55A‧‧‧second mouthpiece

551A‧‧‧second mouth

552A‧‧‧ ring flange

56‧‧‧pressure ring

561‧‧‧ beam hole

562‧‧‧ internal thread

563‧‧‧claw

5631‧‧‧Hook

564‧‧‧ beam trough

565‧‧‧ Bowing

57‧‧‧ Ring

571‧‧‧through hole

572‧‧‧ internal thread

573‧‧‧ Rings

91‧‧‧First inflated mouth

92‧‧‧second inflating nozzle

The first and second figures are schematic views showing the combined appearance of the present invention when the first to-be-inflated nozzle is inserted.

The third figure is a schematic cross-sectional view of the second figure.

The fourth figure is a schematic cross-sectional view of the present invention when providing a second inflation nozzle to be inserted.

The fifth drawing is an exploded perspective view of a second embodiment of the present invention.

The sixth figure is an assembled three-dimensional appearance of the fifth figure.

The seventh and eighth figures are schematic views of the operation state of the second embodiment of the present invention.

The ninth and tenth drawings are schematic views of another use state operation of the second embodiment of the present invention.

Referring to the first to fourth figures, the present embodiment provides a direct pressure double valve automatic switching air nozzle head, which at least includes: a body 10 having a valve hole 11 extending through the upper and lower ends, and at the valve An air supply hole 12 is formed between the two ends of the hole 11. The air supply hole 12 can provide a gas pressure source to the valve hole 11, and the valve hole 11 is recessed with a first card portion 13 at the lower end wall surface, and the upper end edge of the valve hole 11 The wall portion is recessed with a second card portion 14; an annular first nozzle 20 having a first nozzle hole 21 for the first to-be-inflated nozzle 91 to be inserted; and an annular second nozzle 30 for There is a first nozzle hole 31 for inserting the second to-be-inflated nozzle 92; and a valve plug 40 which is coaxially fitted with the valve hole 11 and has a length longer than the valve hole 11 so that the valve plug 40 The valve hole 11 can be protruded at both ends. The valve plug 40 is recessed in the valve hole 11 with the first approach channel 411 and the second approach channel 412, so that the second approach channel 412 is located on the first approach channel 411. On the upper side of the valve plug 40, a first leakage preventing washer 421 is disposed below the first approach channel 411, and a plurality is disposed above the second approach channel 412. a second leakage preventing washer 422 is disposed between the first guiding passage 411 and the second guiding passage 412, so that the first leakage preventing washer 421, the second leakage preventing washer 422 and the third anti-leakage The leakage gasket 423 is airtightly combined with the valve hole 11, so that the airtight effect of the first approach channel 411 and the second approach channel 412 can be maintained; the outer periphery of the valve plug 40 is further protruded to match the first card portion 13 a buckle portion 431 and a second fastening portion 432 that can be matched with the second card portion 14 . When the valve plug 40 moves axially along the valve hole 11 to the first position, the first buckle portion 431 and the first buckle portion 431 are first The card portions 13 are oppositely combined, and the second fastening portion 432 is disengaged from the second card portion 14. As for the first approach channel 411, the air supply hole 12 is closed, and the top end of the valve plug 40 can be positioned at the more protruding valve hole 11 to provide us. The lower pressing force forcibly releases the first fastening portion 431 in combination with the first card portion 13 , but when the valve plug 40 moves axially to the second position along the valve hole 11 , the second fastening portion 432 and the second clamping portion 14 When the first buckle portion 431 is separated from the first card portion 13 , the second approach channel 412 is connected to the air supply hole 12 , and the bottom end of the valve plug 40 can be positioned at the more protruding valve hole 11 . Providing the upper pressing force to release the second fastening portion 432 and combining the second clamping portion 14 so that the valve plug 40 can be moved between the first and second positions; the bottom of the valve plug 40 is disposed along the axial direction. a plurality of first jaws 44 and a plurality of second jaws 45 are disposed in the axial direction, so that the first jaws 44 are arranged in a ring shape by the first beam grooves 46 for use in the ring shape. The inner side of the first jaw 44 defines a first beam hole 47 which is coaxial with the valve hole 11 and can be radially converged, and the outer side of the first jaw 44 is oppositely formed to be radially urged by the valve hole 11 The first button portion 431 is protruded from the arcuate portion, and the first port hole 47 is coaxially inserted and assembled, and the first nozzle hole 21 is connected to the first portion. The second trajectory 45 is disposed in a ring shape between the second beam grooves 48 for defining the inner side of the second clamping jaws 45 coaxially with the valve hole 11 and radially The second beam hole 49 is closed, and the outer sides of the second jaws 45 are oppositely formed with a bow portion for allowing the valve hole 11 to be radially urged, and the second portion is made The buckle portion 432 protrudes from the arcuate portion, and the second beam hole 49 is coaxially inserted into the second nozzle 30, and the second nozzle hole 31 is connected to the second approach channel 412.

Please cooperate with the second and third figures. When the person controls the body 10 with one hand so that the first to-be inflated nozzle 91 is engaged with the first nozzle hole 21 of the first nozzle 20, the valve plug 40 can be moved by the same direction. In the first position, the first buckle portion 431 and the first card portion 13 are combined to position the valve plug 40 in the valve hole 11, and the valve hole 11 releases the outer circumference of the second jaw 45 to press the first clamp. The arcuate portion formed by the outer circumference of the claw 44 is configured to automatically clamp the outer periphery of the first nozzle 20 by the first beam hole 47, so that the first nozzle hole 21 directly radially fixes the first to-be-inflated nozzle 91, followed by The air supply source is provided through the air supply hole 12, so that the first to-be-inflated nozzle 91 can be pumped. After the air is completed, the top end of the valve plug 40 can be forced to force the first buckle portion 431 out of the first card portion. 13, the valve hole 11 can release the arcuate portion formed by the outer circumference of the first jaw 44 to release the first nozzle 20 and the first to-be-inflated nozzle 91 in a shackled state.

Please cooperate with the fourth figure. When the person controls the body 10 with one hand so that the second to-be inflated nozzle 92 is engaged with the second nozzle hole 31 of the second nozzle 30, the valve plug 40 can be moved to the first position. In the two positions, the second buckle portion 432 and the second card portion 14 are oppositely combined to position the valve plug 40 in the valve hole 11, and the valve hole 11 releases the outer periphery of the first jaw 44 and presses the second jaw. The arc portion formed by the outer circumference of the 45 causes the second jaw 45 to automatically clamp the outer circumference of the second nozzle 30 radially, so that the second nozzle hole 31 directly radially fixes the second nozzle to be inflated 92, and then passes through The air hole 12 provides a source of air pressure, so that the second air inlet nozzle 92 can be pumped. After the air pumping is completed, the bottom end of the upper pressure valve plug 40 can be forced to force the second buckle portion 432 out of the second card portion 14. That is, the valve hole 11 can release the arcuate portion formed by the outer circumference of the second jaw 45 to release the second nozzle 30 and the second nozzle to be inflated 92.

The invention is to make the overall structure more stable, and it can be used in the first jaw 4 The bottom end is provided with a first blocking portion 441. The outer edge of the first blocking portion 441 is located outside the valve hole 11 and is formed to have a larger diameter than the valve hole 11, so that the inner edge of the first blocking portion 441 abuts The bottom end of the second nozzle 20 is provided with a second blocking portion 451. The outer edge of the second blocking portion 451 is located outside the valve hole 11 and the diameter formed is larger than the valve hole 11 Moreover, the inner edge of the second blocking portion 451 is abutted against the top end of the second nozzle 30; thus, it can be ensured that the valve plug 40 does not come out of the valve hole 11, and the first nozzle 20 does not come out of the first jaw 44. And the second nozzle 30 does not come out of the second jaw 45, and the first blocking portion 441 and the second blocking portion 451 can clamp the to-be-inflated nozzles 91, 92 to prevent the inflating nozzle from being inflated. The process trips.

From the above description, the present invention has at least the following advancement:

1. The invention only needs to manipulate the gymnastics to be inserted into any nozzle through one hand, that is, the valve plug can be pushed to the fixed point by the direction, so that the valve hole can actuate the corresponding jaw and the mouth for automatic use. The one-hand operation mode is far more convenient than the conventional two-hand operation.

2. The nozzle of the present invention penetrates the coaxial coupling relationship between the valve hole and the clamping jaw, so that the "indirect and sufficient" radial deformation of the pinned to be inflated nozzle can increase the force of the mouthpiece to be inflated. The air leakage can be minimized when the air is inflated, and the clamping jaw can clamp the to-be-inflated nozzle to prevent the to-be-inflated nozzle from jumping during the inflation process.

Please refer to the fifth embodiment to the eighth embodiment, which is a second embodiment of the present invention. The utility model provides a single-mouth air nozzle head 50, which comprises at least a body 51, a valve plug 52 and a first nozzle. The body 51 has an axially extending valve hole 511, and the outer ring surface forms a pipe head 515. The pipe head 515 and the valve hole 511 are electrically connected by a gas supply hole 514. The top end of the body 515 forms a radially-retracting ring flange 512, and the outer ring surface of the bottom end is formed with an outer ring pattern 513 for an anti-ring 57 to be screwed to the ring 57. An axial through hole 571, the inner surface of the through hole 571 is formed with a screw a rib 572, the bottom end of the ring 57 is formed to form a radially-retracting ring abutment 573; the top end of the valve plug 52 is closed, and a toe 522 is formed on the outer surface of the proximal end and is formed by a shoulder 522. The portion 522 or more forms a pressing portion 521 of a smaller diameter, and the bottom end thereof is coupled with a pressing ring member 56. The outer surface of the valve plug forms annular grooves 523 and 526 at a distance from each other. 523 and 526 can be respectively inserted into a first o-ring 53 and a second o-ring 54. The annular grooves 523 and 526 further form a recessed approach 524. The local position of the approach 524 is A gas port 525 is formed which extends radially to the inside. The interior of the valve plug 52 extends to the bottom end to form a joint portion 528. The joint portion 528 is generally a flow passage extending to the bottom end, and the gas port 525 The outer ring surface is formed with an external thread 527 and can be screwed and fixed to the pressure ring member 56. The pressure ring member 56 has an axially through hole 561, and the inner surface of the beam hole 561 is formed The internal thread 562 has a plurality of jaws 563 formed at the bottom end thereof, and the jaws 563 are arranged in a ring shape by a groove 564 to define a coaxial arrangement with the valve hole 511. The radially closed beam hole 561, the bottom end of each of the jaws 563 forms a radially extending hook portion 5631, and the outer surface of each jaw 563 forms a radially enlarged arcuate portion 565, the jaws The 563 system can be forced to contract radially, or when the force is released, can be automatically opened slightly to restore the original shape; the first nozzle 55 is provided with an axially penetrating first nozzle hole 551, the first nozzle hole The inner surface of the 551 is formed with a radially contracting annular wedge edge 552. The first nozzle 55 is coaxially inserted into the beam hole 561. The first nozzle 55 is hooked by the bottom end of each jaw 563. Jointly supported.

Please continue to refer to the seventh and eighth figures. When the single-purpose air nozzle head 50 of the embodiment is used for pumping, the tube head 515 is pre-connected with a pneumatic source (not shown), and the first to-be-inflated nozzle is used. 91 is inserted into the first nozzle 5 When the first nozzle hole 551 is 5, it can push the valve plug 52 upward to make the pressing portion 521 protrude from the outside of the valve hole 511, and abut against the ring flange 512 by the ring shoulder portion 522 (first position) ), and can no longer be displaced upward, and the arch portion 565 of each of the jaws 563 is displaced upward by the ring abutment 573 at the bottom end of the valve hole 511, and guided by the arcuate portion 565 of each of the jaws 563 In the lead hole 561, the first nozzle 55 is automatically and radially clamped, and the first nozzle 55 is compressed to clamp the first to-be-inflated nozzle 91 tightly, and the air supply hole 514 is simultaneously turned on. The 524, the joint portion 528, and the first nozzle hole 551 are configured to inhale the first to-be-inflated nozzle 91, wherein the first to-be-inflated nozzle 91 is an American air nozzle.

Please refer to the ninth and tenth drawings, which is a single-purpose air nozzle head applicable to the second to-be-inflated nozzle 92. The second to-be-inflated nozzle 92 is a French air nozzle which is attached to the valve plug 52A. The shape of the joint portion 528A and the second nozzle 55A are slightly different, and the other constituent elements and shapes are the same. The joint portion 528A of the valve plug 52A forms a larger flow passage, so that the gas supply nozzle can be used. The second nozzle 55A is formed by a ring flange 552A only to form a ring flange 552A, so that the corresponding position of the French air nozzle can be clamped. The manner of operation and the principle of actuation are the same, and will not be repeated.

It is known from the above description that the overall structural configuration of the present invention is novel and has the above-mentioned power enhancement, and is indeed a highly invented technical concept, which should meet the requirements of the patent application, and apply in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the equivalent changes and modifications made by the scope of the present invention should still be covered by the present invention. Within the scope.

50‧‧‧Wind mouth

51‧‧‧Ontology

511‧‧‧ valve hole

512‧‧‧Flange

513‧‧‧ external thread

515‧‧‧ tube head

516‧‧‧ pipe plug

52‧‧‧ valve plug

521‧‧‧ Pressing Department

522‧‧‧ ring shoulder

523‧‧‧Circle

524‧‧‧Introduction

525‧‧‧ mouth

526‧‧‧Circle

527‧‧‧ external thread

528‧‧‧ joints

53‧‧‧First o-ring

54‧‧‧second o-ring

55‧‧‧First mouthpiece

551‧‧‧First mouth

56‧‧‧pressure ring

561‧‧‧ beam hole

562‧‧‧ internal thread

563‧‧‧claw

564‧‧‧ beam trough

565‧‧‧ Bowing

57‧‧‧ Ring

571‧‧‧through hole

572‧‧‧ internal thread

Claims (4)

A single-nozzle tuyere includes: a body having a valve hole penetrating therethrough, and an air supply hole is connected between the two ends of the valve hole; an annular first nozzle having a waiting for The first nozzle of the inflation nozzle is inserted, the first nozzle is placed in a valve plug; a valve plug is disposed in the body, and the first nozzle can be axially along the body of the body in the first to the second Reciprocating movement between positions; one end of the valve plug is provided with a plurality of jaws, and the other end forms a closed pressing portion, and the inside of the valve plug is formed with a flow path and an outer ring surface Inductively, the jaws are arranged in a ring shape by a bundle of grooves for defining a beam hole coaxially disposed with the valve hole and radially converging. The single-nozzle tuyeres according to claim 1, wherein the bottom ends of the jaws form a radially extending hook portion, and the first nozzle is shared by the hook portions of the bottom ends of the jaws. Support. The single-nozzle tuyeres according to claim 1, wherein the outer surfaces of the jaws form a radially enlarged arcuate portion. The single-nozzle tuyeres according to claim 1, wherein the outer surface of the valve plug forms a circumferential groove with a distance of one distance, and each of the annular grooves is sleeved with a first o-ring, one a second o-ring, wherein the annular groove further forms a recessed approach channel, the approach channel is provided with a gas port and is electrically connected to the inner flow channel, and the guide channel system can be displaced when the valve plug is displaced to a position It is electrically connected to the air supply hole.