Dual-purpose air tap capable of being transformed based on stretching and retracting

Abstract

The utility model provides a dual-purpose air tap capable of changing based on expansion and contraction, which relates to the technical field of inflation air taps and comprises an air transmission component, a knob cover and an expansion and contraction connecting component, one end of the knob cover is rotatably connected with one end of the air transmission component, and the peripheral side of the air transmission component is in sealed expansion and contraction connection with the expansion and contraction connecting component and is communicated with the expansion and contraction connecting component. The other end of the gas transmission assembly is provided with a gas transmission column, the gas transmission column is far away from the knob cover, and when the telescopic connecting assembly slides and shrinks relative to the gas transmission assembly and is fixedly connected with the knob cover, the gas transmission column is inserted into one end of the telescopic connecting assembly in a sealed mode from the interior to form an American gas nozzle; when the telescopic connecting assembly slidably extends out relative to the gas transmission assembly and is separated from the knob cover, the gas transmission column is separated from one end of the telescopic connecting assembly to form a French gas nozzle; the styles of the air tap can be switched in a telescopic mode, the switching efficiency of the air tap is improved, and a user can rapidly switch the air tap conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inflating air nozzle, especially a dual-purpose air nozzle based on telescopic transformation. BACKGROUND

[0002] At present, the air nozzle on the tire of non-motor vehicle such as bicycle and battery car mainly has two kinds of American air nozzle and French air nozzle, and in order to facilitate inflating the two kinds of tire air nozzles, the air nozzle on the inflator is usually designed as a universal air nozzle that can be connected with different types of tire air nozzles. The universal air nozzle currently has the connecting structure with the two kinds of air nozzles arranged at the same end of the air nozzle, so that no identification is needed during use, but the universal air nozzle has more parts, and manual operation is needed to switch the corresponding connecting structure when connected with the American or French air nozzle, which brings certain inconvenience to installation and use, and the cost is also relatively high.

[0003] The dual-purpose bicycle inflator air nozzle with the patent number CN221896770U needs to pull out the internal air core and then reversely install it when switching different air nozzles, which is very troublesome and is not conducive to the user to quickly switch the corresponding air nozzle.

[0004] Therefore, it is necessary to propose a dual-purpose air nozzle based on telescopic transformation to improve the switching efficiency of the air nozzle and facilitate the user to quickly switch. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a dual-purpose air nozzle based on telescopic transformation to improve the switching efficiency of the air nozzle and facilitate the user to quickly switch.

[0006] The utility model realizes the following technical scheme:

[0007] The utility model provides a dual-purpose air nozzle based on telescopic transformation, which comprises a gas conveying assembly, a knob cover, and a telescopic connecting assembly, one end of the knob cover is rotationally connected with one end of the gas conveying assembly, the outer circumferential side of the gas conveying assembly is in sealed telescopic connection with the telescopic connecting assembly and is in conduction, the other end of the gas conveying assembly is provided with a gas conveying column, the gas conveying column is away from the knob cover, when the telescopic connecting assembly slides and contracts relative to the gas conveying assembly and is in fixed connection with the knob cover, the gas conveying column is inserted into one end of the telescopic connecting assembly from the inside to form an American air nozzle, when the telescopic connecting assembly slides and extends relative to the gas conveying assembly and is separated from the knob cover, the gas conveying column is separated from one end of the telescopic connecting assembly to form a French air nozzle.

[0008] Further, the telescopic connecting assembly comprises a connecting shell and a connecting cylinder, one end of the connecting cylinder is in sealed sliding connection with one end of the connecting shell and is in communication with the other end of the connecting shell, and the other end of the connecting cylinder is in sealed sliding connection with the outer circumferential side of the gas delivery assembly.

[0009] Further, one end of the connecting shell is provided with an internally threaded connecting portion in communication with the connecting cylinder, the gas delivery column is inserted into the internally threaded connecting portion in a sealed manner from the inside, an American type gas nozzle is formed, and the gas delivery column is separated from the internally threaded connecting portion to form a French type gas nozzle.

[0010] Further, the internally threaded connecting portion comprises a vent hole, a first internal thread and a second internal thread, the first internal thread and the second internal thread are located on the inner wall of the vent hole, the first internal thread is located on one side of the second internal thread, and the second internal thread is close to the connecting cylinder.

[0011] Further, the vent hole is provided with a first sealing ring between the first internal thread and the second internal thread.

[0012] Further, one end of the connecting cylinder is provided with a limiting inner ring in sliding connection with the outer circumferential side of the gas delivery assembly, and the gas delivery assembly is provided with a limiting convex ring for blocking the limiting inner ring.

[0013] Further, one end of the connecting shell is provided with a first thread, one end of the knob cover is provided with a second thread, and when the telescopic connecting assembly is in sliding contraction relative to the gas delivery assembly, the first thread and the second thread are in threaded fixed connection.

[0014] Further, one end of the gas delivery assembly is provided with a third thread for external connection.

[0015] Further, the knob cover is provided with a matching groove, one end of the gas delivery assembly is provided with a connecting portion located on one side of the third thread, the connecting portion penetrates through the matching groove, and part of the connecting portion is in rotational connection with the matching groove.

[0016] Further, the connecting portion comprises a matching boss and a rotating column, the rotating column is located on one side of the matching boss, the knob cover is in rotational connection with the connecting portion when the rotating column is accommodated in the matching groove, and the knob cover is in fixed connection with the connecting portion when the matching boss is accommodated in the matching groove.

[0017] The utility model discloses the beneficial effects of:

[0018] The utility model discloses a knob cover and telescopic connecting assembly cooperate and fix, the style of gas nozzle is decided by the position of the gas delivery column, when switching, if telescopic connecting assembly is relative to the gas delivery assembly and slides and contracts and forms fixed connection with knob cover, then the gas delivery column is sealed from inside and inserts one end of telescopic connecting assembly, then forms american gas nozzle, if telescopic connecting assembly is relative to the gas delivery assembly and slides and extends and separates with knob cover, then the gas delivery column separates from one end of telescopic connecting assembly, then forms french gas nozzle, so can switch the style of gas nozzle quickly, convenient and fast, in conclusion, the dual-purpose gas nozzle based on telescopic change can switch the style of gas nozzle through the telescopic mode, improves the switching efficiency of gas nozzle, and the user can switch quickly. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the exploded view of the dual-purpose gas nozzle based on telescopic change of the utility model;

[0020] Figure 2 It is the schematic view when the dual-purpose gas nozzle based on telescopic change of the utility model forms american gas nozzle;

[0021] Figure 3 It is the sectional view of telescopic connecting assembly of the dual-purpose gas nozzle based on telescopic change of the utility model;

[0022] Figure 4 It is the schematic view when the dual-purpose gas nozzle based on telescopic change of the utility model forms french gas nozzle;

[0023] Figure 5 It is the sectional view when the dual-purpose gas nozzle based on telescopic change of the utility model forms french gas nozzle.

[0024] The signs are as follows:

[0025] Gas delivery assembly 1, output column 11, limit convex ring 12, connecting portion 13, fit boss 131, rotating column 132, third screw 14;

[0026] Knob cover 2, second screw 21, fit groove 22;

[0027] Telescopic connecting assembly 3, connecting shell 31, inner thread connecting portion 311, air hole 3111, first inner thread 3112, second inner thread 3113, first sealing ring 3114, first screw 312, connecting cylinder 32, limit inner ring 321. DETAILED DESCRIPTION

[0028] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings.

[0029] Please refer to Figures 1-5The utility model provides a dual -purpose air nozzle based on telescopic change, including gas delivery subassembly 1, knob cover 2, telescopic connecting component 3, one end of knob cover 2 is connected with the one end of gas delivery subassembly 1, and the outer periphery side of gas delivery subassembly 1 forms sealed telescopic connection with telescopic connecting component 3 and is conducted, and the other end of gas delivery subassembly 1 is equipped with gas delivery column 11, and gas delivery column 11 is away from knob cover 2, when telescopic connecting component 3 is relative to gas delivery subassembly 1 and is slidably contracted and forms fixed connection with knob cover 2, gas delivery column 11 is inserted in one end of telescopic connecting component 3 from inside sealing, forms american air nozzle, when telescopic connecting component 3 is relative to gas delivery subassembly 1 and is slidably extended and is separated with knob cover 2, gas delivery column 11 is separated from one end of telescopic connecting component 3, forms french air nozzle.

[0030] In the embodiment, knob cover 2 is fixed with telescopic connecting component 3, so that telescopic connecting component 3 can be fixed in position when being contracted, avoiding telescopic connecting component 3 from sliding and extending under the influence of air pressure when inflating externally, and gas delivery column 11 is used for inflating the connecting nozzle of external articles, and the style of the utility model air nozzle is determined by the position of gas delivery column 11, when switching, if telescopic connecting component 3 is relative to gas delivery subassembly 1 and is slidably contracted and forms fixed connection with knob cover 2, gas delivery column 11 is inserted in one end of telescopic connecting component 3 from inside sealing, so that gas delivery column 11 is located in the central part of one end of telescopic connecting component 3, at this time, american air nozzle is formed, which is used for connecting with external articles with american connecting nozzle to inflate them, if telescopic connecting component 3 is relative to gas delivery subassembly 1 and is slidably extended and is separated with knob cover 2, gas delivery column 11 is separated from one end of telescopic connecting component 3, so that the central part of one end of telescopic connecting component 3 is hollow structure, at this time, french air nozzle is formed, which is used for connecting with external articles with french connecting nozzle to inflate them, so the style of air nozzle can be switched quickly, which is convenient and fast.

[0031] In summary, the dual -purpose air nozzle based on telescopic change can switch the style of air nozzle through telescopic mode, improve the switching efficiency of air nozzle, and facilitate the user to switch quickly.

[0032] In the embodiment, the telescopic connecting assembly 3 comprises a connecting shell 31, a connecting cylinder 32, one end of the connecting cylinder 32 is in sealed sliding connection with one end of the connecting shell 31 and is in communication with the other end of the connecting shell 31, the other end of the connecting cylinder 32 is in sealed sliding connection with the outer circumferential side of the gas delivery assembly 1; when the telescopic connecting assembly 3 is in telescopic connection, the connecting shell 31 is manually pulled out so that the connecting shell 31 slides out relative to the connecting cylinder 32, when the connecting shell 31 slides out to the end, the connecting cylinder 32 is driven by the connecting shell 31 to slide out relative to the gas delivery assembly 1, when the distance between the gas column 11 and the connecting shell 31 is the farthest, the outermost end of the connecting shell 31 can be used as a French air nozzle at this time; when the connecting shell 31 is retracted relative to the connecting cylinder 32 and the connecting cylinder 32 is also retracted relative to the gas delivery assembly 1 to the shortest, the gas column 11 is sealingly inserted in the middle of the connecting shell 31, at this time the outermost end of the connecting shell 31 can be used as an American air nozzle.

[0033] In the embodiment, one end of the connecting shell 31 is provided with an internal thread connecting part 311, the internal thread connecting part 311 is used to connect the connecting nozzle of the external inflating article, the internal thread connecting part 311 is in communication with the connecting cylinder 32, the gas column 11 is sealingly inserted in the internal thread connecting part 311, forming an American air nozzle, when the gas column 11 is used for gas delivery with the American air nozzle, the gas column 11 is directly connected to the connecting nozzle of the external inflating article, the gas column 11 is separated from the internal thread connecting part 311, forming a French air nozzle, when the gas column 11 is used for gas delivery with the French air nozzle, the connecting nozzle of the external inflating article will be inserted into the connecting cylinder 32 with the internal thread connecting part 311, and after forming a sealed connection with the gas column 11, the gas column 11 is directly connected to the connecting nozzle of the external inflating article.

[0034] In the embodiment, the internal thread connecting part 311 comprises a vent hole 3111, a first internal thread 3112 and a second internal thread 3113, the first internal thread 3112 and the second internal thread 3113 are located on the inner wall of the vent hole 3111, the first internal thread 3112 is located on one side of the second internal thread 3113, and the second internal thread 3113 is close to the connecting barrel 32; the vent hole 3111 is used to provide a passing channel for the gas supply column 11 when the telescopic connecting assembly 3 is slidingly contracted to the shortest, forms an American air nozzle, at the same time, the vent hole 3111 is also used to provide an insertion space for the French connecting nozzle of the external object when the telescopic connecting assembly 3 is slidingly extended to the longest, so as to facilitate the inflation of the French connecting nozzle of the external object, the first internal thread 3112 is used for threaded connection with the French connecting nozzle of the external object, and when the French air nozzle is formed in the utility model, the French connecting nozzle of the external object is sealed and connected with the connecting shell 31 through the first internal thread 3112, and the second internal thread 3113 is used for threaded connection with the American connecting nozzle of the external object, and when the American air nozzle is formed in the utility model, the American connecting nozzle of the external object is sealed and connected with the connecting shell 31 through the second internal thread 3113.

[0035] In the embodiment, the first sealing ring 3114 is arranged in the vent hole 3111, and the first sealing ring 3114 is located between the first internal thread 3112 and the second internal thread 3113; when the gas supply column 11 penetrates through the vent hole 3111 to form the American air nozzle, the first sealing ring 3114 is used to seal the gap between the gas supply column 11 and the vent hole 3111, and when the gas supply column 11 is retracted to form the French air nozzle, the first sealing ring 3114 is used to seal the gap between the French connecting nozzle of the external object and the vent hole 3111.

[0036] In the embodiment, one end of the connecting barrel 32 is provided with a limiting inner ring 321, the limiting inner ring 321 is slidingly connected to the outer circumferential side of the gas supply assembly 1, the gas supply assembly 1 is provided with a limiting convex ring 12, and the limiting convex ring 12 blocks the limiting inner ring 321; when the telescopic connecting assembly 3 is slidingly extended, the connecting barrel 32 is slidingly extended relative to the gas supply assembly 1, the limiting convex ring 12 blocks the limiting inner ring 321, and the limiting inner ring 321 is prevented from separating from the gas supply assembly 1.

[0037] In the embodiment, one end of the connecting shell 31 is provided with a first thread 312, one end of the knob cover 2 is provided with a second thread 21, when the telescopic connecting assembly 3 is slidingly contracted relative to the gas supply assembly 1, the first thread 312 and the second thread 21 are in threaded fixed connection, when the telescopic connecting assembly 3 is slidingly contracted, the connecting shell 31 is also contracted relative to the connecting barrel 32, in order to ensure that the connecting shell 31 can be stably maintained in the contracted state after contraction, therefore, the connecting shell 31 is fixed with the knob cover 2 through the threaded connection of the first thread 312 and the second thread 21.

[0038] In the embodiment, one end of the air feeding assembly 1 is provided with a third thread 14 for external connection, and the third thread 14 is used to connect the utility model with the interface of an external manual or electric air pump, so as to replace or assemble.

[0039] In the embodiment, the knob cover 2 is provided with a matching groove 22, one end of the air feeding assembly 1 is provided with a connecting part 13 located on one side of the third thread 14, the connecting part 13 penetrates the matching groove 22, and a part of the connecting part 13 is rotationally connected with the matching groove 22; when the utility model needs to be connected with the interface of an external manual or electric air pump, the knob cover 2 needs to drive the air feeding assembly 1 to rotate through the connecting part 13, so that the air feeding assembly 1 is screwed and fixed on the interface of the external manual or electric air pump through the third thread 14; when the utility model needs to switch the American or French air nozzle, the knob cover 2 needs to be freely rotated, and the air feeding assembly 1 will not rotate when the knob cover 2 rotates.

[0040] In the embodiment, the connecting part 13 includes a matching boss 131 and a rotating column 132, the rotating column 132 is located on one side of the matching boss 131, the knob cover 2 is rotationally connected with the connecting part 13 when the rotating column 132 is accommodated in the matching groove 22, and the knob cover 2 is fixedly connected with the connecting part 13 when the matching boss 131 is accommodated in the matching groove 22; the knob cover 2 can slide relative to the matching boss 131 and the rotating column 132 to switch the position; when the utility model needs to be connected with the interface of an external manual or electric air pump, the knob cover 2 needs to drive the air feeding assembly 1 to rotate through the matching boss 131, so that the air feeding assembly 1 is screwed and fixed on the interface of the external manual or electric air pump through the third thread 14; when the utility model needs to switch the American or French air nozzle, the knob cover 2 needs to be freely rotated on the rotating column 132, and the air feeding assembly 1 will not rotate when the knob cover 2 rotates.

[0041] Of course, the utility model can have other various embodiments, and other embodiments obtained by those skilled in the art based on the embodiment without any creative labor are within the protection scope of the utility model.

Claims

1. A dual-purpose air nozzle based on transformation by telescoping, characterized in that, The utility model provides a gas outlet, which comprises a gas delivery assembly, a knob cover, and a telescopic connecting assembly, one end of the knob cover is rotationally connected to one end of the gas delivery assembly, the outer periphery of the gas delivery assembly is sealingly connected to the telescopic connecting assembly and is in communication with the telescopic connecting assembly, the other end of the gas delivery assembly is provided with a gas delivery column, the gas delivery column is away from the knob cover, when the telescopic connecting assembly is slidingly retracted relative to the gas delivery assembly and is fixedly connected to the knob cover, the gas delivery column is sealingly inserted into one end of the telescopic connecting assembly from the inside to form an American type gas nozzle, when the telescopic connecting assembly is slidingly extended relative to the gas delivery assembly and is separated from the knob cover, the gas delivery column is separated from one end of the telescopic connecting assembly to form a French type gas nozzle.

2. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 1, characterized in that, The telescopic connecting assembly comprises a connecting shell and a connecting cylinder, one end of the connecting cylinder is sealingly and slidingly connected to one end of the connecting shell and is in communication with the other end of the connecting shell, and the other end of the connecting cylinder is sealingly and slidingly connected to the outer periphery of the gas delivery assembly.

3. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 2, characterized in that, One end of the connecting shell is provided with an internally threaded connecting portion, the internally threaded connecting portion is in communication with the connecting cylinder, the gas delivery column is sealingly inserted into the internally threaded connecting portion from the inside to form an American type gas nozzle, and the gas delivery column is separated from the internally threaded connecting portion to form a French type gas nozzle.

4. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 3, characterized in that, The internally threaded connecting portion comprises a gas passage hole, a first internal thread, and a second internal thread, the first internal thread and the second internal thread are located on the inner wall of the gas passage hole, the first internal thread is located on one side of the second internal thread, and the second internal thread is close to the connecting cylinder.

5. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 4, characterized in that, A first sealing ring is arranged in the gas passage hole and located between the first internal thread and the second internal thread.

6. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 2, characterized in that, One end of the connecting cylinder is provided with a limiting inner ring, the limiting inner ring is slidingly connected to the outer periphery of the gas delivery assembly, a limiting convex ring is arranged on the gas delivery assembly, and the limiting convex ring blocks the limiting inner ring.

7. The dual-purpose air nozzle based on transformation in extension and retraction according to claim 2, characterized in that, One end of the connecting shell is provided with a first thread, one end of the knob cover is provided with a second thread, when the telescopic connecting assembly is slidingly retracted relative to the gas delivery assembly, the first thread is threadedly and fixedly connected to the second thread.

8. The dual-purpose air nozzle based on transformation in extension and retraction according to claim 1, characterized in that, One end of the gas delivery assembly is provided with a third thread for external connection.

9. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 8, characterized in that, A fitting groove is arranged on the knob cover, one end of the gas delivery assembly is provided with a connecting portion, the connecting portion is located on one side of the third thread, the connecting portion penetrates through the fitting groove, and a part of the connecting portion is rotationally connected to the fitting groove.

10. The dual-purpose air nozzle based on the transformation of the telescopic according to claim 9, characterized in that, The connecting portion comprises a fitting convex platform and a rotating column, the rotating column is located on one side of the fitting convex platform, when the rotating column is accommodated in the fitting groove, the knob cover is rotationally connected to the connecting portion, and when the fitting convex platform is accommodated in the fitting groove, the knob cover is fixedly connected to the connecting portion.

Images