Button-type labor-saving quick charging connector

Abstract

The utility model relates to a tire inflation tool, and discloses a button type labor-saving quick inflation nozzle which comprises a valve sleeve, a valve core and a button assembly, and the valve core is inserted in the valve sleeve in a sleeved mode. An insertion hole and a jacking ring arranged at the lower end of the insertion hole are formed in the upper end of the valve sleeve; the valve element comprises an outer element body, an inner element body inserted into the outer element body in a sleeved mode and a connecting part. An elastic clamping ring is arranged at the upper end of the outer core body, and the elastic clamping ring is close to the top pressing ring and located below the top pressing ring. The connecting part comprises a valve core seat, a connecting pipe and a connector; the button assembly comprises a button part and a pair of supporting pin shafts; the button part comprises a pressing plate and a pair of jacking parts arranged at the end of the pressing plate, and the jacking parts are rotationally connected with the valve sleeve through supporting pin shafts. And the valve core seat is pressed against the top pressing part. The elastic clamping ring can be conveniently driven to expand outwards and deform in a labor-saving mode through the button assembly, the elastic clamping ring is prevented from being in contact with tire valve threads during installation, and the threads can be effectively protected. The elastic clamping ring clamps the tire valve through multi-point uniform distribution, and the connection stability of the inflation nozzle and the tire valve can be improved.

Description

Technical Field

[0001] The utility model relates to a tire inflation tool, in particular to a button-type labor-saving quick inflation nozzle. Background Art

[0002] The inflation nozzle is mainly used to inflate the wheels. The current tire inflation nozzle generally includes a valve sleeve and a valve core. The valve core is contained in the valve sleeve, and the valve core is connected to the high-pressure gas source. A wrench-type locking mechanism is provided on the valve sleeve. When in use, align the port of the valve sleeve with the air nozzle of the tire, pull the wrench-type locking mechanism to lock the entire tire inflation nozzle on the air nozzle, and then inflate. The wrench-type locking mechanism is a single-sided threaded clamping connection with the tire valve. During use, the thread of the tire valve on the vehicle is prone to wear and cannot be locked, thereby reducing the service life of the tire, and the inflation nozzle will not be able to clamp the tire valve tightly, affecting the normal inflation work.

[0003] Patent CN 103291981 B discloses a tire inflation nozzle, including a valve sleeve and a valve core. The outer wall of the valve sleeve is provided with more than two symmetrically distributed axial grooves, and strip holes penetrating the outer wall of the valve sleeve are opened at the upper and lower ends of each axial groove. A spring clip is provided in the axial groove, and the middle of the spring clip is tightly attached to the upper and lower ends of the axial groove and tilted. The upper and lower ends of the tilted spring clip are provided with a clamping head bent inward, and the clamping head is accommodated in the strip hole. A movable sleeve is also sleeved outside the valve sleeve and the spring clip, and the height of the movable sleeve is less than the length of the spring clip. The spring clip is driven to clamp the tire valve by pushing the movable sleeve, but pushing the movable sleeve is relatively laborious and the position of the movable sleeve cannot be locked, which easily causes the problem of unstable connection between the inflation nozzle and the tire valve. Utility Model Content

[0004] The purpose of the utility model is to provide a button-type labor-saving quick inflation nozzle, which can conveniently and labor-savingly drive the elastic clamping ring to expand and deform outward through the button component, thereby avoiding contact with the tire valve thread during installation, and effectively protecting the tire valve thread; at the same time, the elastic clamping ring clamps the tire valve through multiple points evenly distributed, and the clamping force is larger and more stable, which can improve the connection stability between the inflation nozzle and the tire valve.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A button-type labor-saving quick-inflation nozzle comprises a valve sleeve, a valve core and a button assembly, wherein the valve core is inserted into the valve sleeve; a plug hole and a top pressure ring arranged at the lower end of the plug hole are formed at the upper end of the valve sleeve; the inner diameter of the plug hole is slightly larger than the outer diameter of the tire valve, and the tire valve can play a supporting role when inserted into the plug hole;

[0007] The valve core comprises an outer core body, an inner core body inserted in the outer core body and a connecting part; an elastic clamp ring is provided at the upper end of the outer core body, the elastic clamp ring is close to the top pressure ring and is located below the top pressure ring; the connecting part comprises a valve core seat, a connecting pipe and a connecting head;

[0008] The button assembly includes a button part and a pair of supporting pins; the button part includes a pressing plate arranged in a "V" shape and a pair of pressing parts arranged at the end of the pressing plate, and the pressing part is rotatably connected to the lower end of the valve sleeve through the supporting pin; the valve core seat is pressed against the pressing part. After self-testing, the quick inflation nozzle was tested on the tire valve for 100,000 times, and there was no obvious wear on the tire valve thread. However, the existing inflation nozzles on the market use hard insertion and hard extraction methods, which will cause significant wear on the tire valve thread after hundreds of times of use, so that the inflation nozzle cannot clamp the thread.

[0009] Through the above technical solution, when the tire needs to be inflated, the inflation nozzle is held and the thumb presses the button part, and the pressing part of the button part rotates around the support pin shaft. Through the lever principle, only a small force is needed to allow the pressing part to drive the valve core to move upward relative to the valve sleeve, and the elastic clamping ring moves upward and presses against the pressing ring. The elastic clamping ring expands and deforms through the action of the pressing ring.

[0010] Then insert the inflation nozzle into the tire valve. Since the elastic clamp ring becomes larger, it can effectively prevent the tire valve thread from contacting, thereby reducing the thread pattern. After the inflation nozzle is installed in place, release the button part. The elastic clamp ring recovers its deformation through its own elastic recovery ability to clamp the tire valve, thereby improving the connection stability between the tire valve and the inflation nozzle.

[0011] The utility model is further configured as follows: the elastic clamp ring comprises an outer insert ring and an inner clamp ring formed in one piece; the outer insert ring is arranged with a lower outer side and a higher inner side, and the inner clamp ring is arranged with a higher outer side and a lower inner side; the inner diameter of the inner clamp ring in a free state is smaller than the outer diameter of the tire valve core;

[0012] The inner snap ring is formed with a plurality of inner slots evenly distributed around the circumference; the outer insert ring is formed with a plurality of outer slots evenly distributed around the circumference, and the outer slots and the inner slots are staggered;

[0013] A clamping groove is formed on the upper end of the outer core body, and the outer ends of the outer insert ring and the inner clamping ring are placed in the clamping groove.

[0014] Through the above technical solution, the deformation capacity of the elastic clamping ring can be improved by providing the outer slot and the inner slot;

[0015] Multiple external grooves divide the inner clamping ring into multiple sector-shaped cards. When the sector-shaped cards are pressed by the pressing ring, the sector-shaped cards move downward and the inner ends move outward, thereby avoiding contact with the threads of the tire valve; when the pressing ring is away from the sector-shaped cards, the sector-shaped cards are inserted into the threads of the tire valve. Since there are multiple sector-shaped cards, multi-point and uniform clamping can be achieved, and the clamping connection stability is better.

[0016] The utility model is further configured as follows: the pressing part is in a rectangular shape; in a free state, the upper end surface of the pressing part is pressed against the bottom surface of the valve core seat, and when pressing, the upper end surface of the pressing part is turned over with the support pin as the axis, and one end of the upper end surface of the pressing part is tilted to push the valve core upward;

[0017] The pressing part is formed with a second insertion hole; the lower end of the valve sleeve is formed with a pair of symmetrically arranged support holes; the support pin shaft includes a large end and a small end portion, the small end portion is inserted into and fixed in the second insertion hole, the large end portion is inserted into the support hole and a clearance is provided between the two, and the support pin shaft and the pressing part can be connected by press-fitting.

[0018] The utility model is further configured as follows: the valve sleeve comprises an upper shell and a lower shell which are separately arranged, and the upper shell and the lower shell are connected by threads;

[0019] The outer core body and the valve core seat are inserted into the upper shell body and are arranged with clearance fit with the upper shell body;

[0020] The outer core body and the valve core seat are connected via threads.

[0021] By arranging the valve sleeve separately, the installation of the valve core and the button assembly can be facilitated, and the processing difficulty of the valve sleeve can also be reduced.

[0022] The utility model is further configured as follows: the outer core body is formed with a stepped hole that is smaller at the top and larger at the bottom;

[0023] The inner core body comprises a cylinder inserted into the large end hole of the step hole, a sink groove is formed at the upper end of the cylinder, a core column is formed in the middle of the sink groove, and the upper end of the core column is higher than the upper end surface of the cylinder; a plurality of circumferentially evenly distributed air holes are formed on the core column.

[0024] The pore is set offset from the center of the core column to prevent the tire valve core from blocking the pore when it is pressed against the inner core body, thereby ensuring effective inflation of the pore; the external high-pressure air pipe is connected to the connecting part, and the high-pressure gas enters the inner core body through the connecting part and flows out of the pore.

[0025] The utility model is further configured as follows: a sealing rubber sleeve is provided on the core column;

[0026] The sealing rubber sleeve comprises a rubber sleeve base, an inner sealing ring and an outer sealing ring arranged on the rubber sleeve base, the inner sealing ring is inserted on the core column, and the upper end of the outer sealing ring is arranged in a bell-mouth shape.

[0027] When the tire valve is inserted, the outer wall of the tire valve abuts against the outer sealing ring, and the inner wall of the tire valve abuts against the inner sealing ring, thereby improving the air tightness between the tire valve and the valve core and preventing gas leakage during inflation.

[0028] The utility model is further configured as follows: a sealing groove is formed on the outer wall of the cylinder, a sealing ring is sleeved in the sealing groove, and the sealing ring is pressed against the large end hole of the step hole.

[0029] The sealing ring can improve the valve performance between the inner core and the outer core, preventing the gas from directly flowing out from the gap between the inner core and the outer core, thereby failing to achieve the inflation effect.

[0030] The utility model is further configured such that a compression spring is clamped between the bottom of the inner core body (202) and the valve core seat.

[0031] By arranging the compression spring, when the inflation nozzle is inserted, the tire valve core is pressed against the inner core body, thereby driving the compression spring to be further compressed, thereby ensuring that the tire valve is always connected to the sealing rubber sleeve, and the tire valve core is tightly connected to the inner core body;

[0032] When the inflation is completed, the button is pressed, and the elastic clamp ring is separated from the tire valve, releasing the restraint on the tire valve; then, under the action of the compression spring, the tire valve core can be pushed out, thereby completing the rapid separation of the inflation nozzle and the tire valve.

[0033] The utility model is further configured as follows: a flexible button is fixed to the outer end of the pressing plate, and the flexible button can improve the comfort when pressing the button.

[0034] The flexible button is transparent; a pattern or mark is arranged inside the flexible button; the pattern or mark may be a company name, company logo, etc.

[0035] The outstanding effects of the utility model are:

[0036] Compared with the prior art, the button assembly can conveniently and labor-savingly drive the elastic clamp ring to expand and deform outward, thereby avoiding contact with the tire valve thread during installation and effectively protecting the thread;

[0037] The elastic clamping ring clamps the tire valve at multiple points evenly, with greater and more stable clamping force, which can improve the connection stability between the inflation nozzle and the tire valve;

[0038] Through the cooperation of the compression spring and the inner core, the tire valve can be ejected after inflation is completed, and the inflation work can be completed quickly;

[0039] By providing a sealing ring and a sealing rubber sleeve, the sealing performance of the inflation nozzle itself and the sealing performance between the inflation nozzle and the tire valve can be improved, effectively ensuring the smooth progress of the inflation work. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a schematic diagram of the structure of the utility model;

[0041] Figure 2 It is a top view of the utility model;

[0042] Figure 3 for Figure 2 About the cross-sectional view of AA;

[0043] Figure 4 for Figure 3 About the cross-sectional view of BB;

[0044] Figure 5 for Figure 3 A partial enlarged view of C;

[0045] Figure 6 for Figure 4 A partial enlarged view of D;

[0046] Figure 7 It is a structural schematic diagram of the button part of the utility model;

[0047] Figure 8 Schematic diagram of two position states of the button part (the dotted line is a schematic diagram of the position when pressed, and the implementation is a schematic diagram of the free state);

[0048] Fig. 9 It is a structural schematic diagram of the elastic clamp ring of the utility model.

[0049] Reference numerals: 1. valve sleeve; 2. valve core; 3. button assembly;

[0050] 10. Upper shell; 11. Lower shell;

[0051] 101, jack; 102, top pressure ring; 103, support hole;

[0052] 201, outer core; 202, inner core; 203, connecting part; 204, elastic clamp ring; 205, sealing rubber sleeve; 206, sealing ring; 207, compression spring;

[0053] 2011, step hole;

[0054] 2021, cylinder; 2022, sink; 2023, core column; 2024, air hole;

[0055] 2031, valve core seat; 2032, connecting pipe; 2033, connecting head;

[0056] 2041, external insert ring; 2042, internal snap ring; 2043, internal slot; 2044, external slot;

[0057] 2051, rubber sleeve base; 2052, inner sealing ring; 2053, outer sealing ring;

[0058] 30. button portion; 31. support pin; 32. flexible button;

[0059] 301, pressing plate; 302, pressing portion; 3021, second plug hole;

[0060] 90. Tire valve; 91. Tire valve core. DETAILED DESCRIPTION

[0061] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0062] The following references Figures 1 to 9 The utility model is described as follows:

[0063] A button-type labor-saving quick-inflation nozzle, such as Figures 1 to 4 As shown, it comprises a valve sleeve 1, a valve core 2 and a button assembly 3, wherein the valve core 2 is inserted into the valve sleeve 1; the upper end of the valve sleeve 1 is formed with an insertion hole 101 and a top pressure ring 102 arranged at the lower end of the insertion hole 101; the inner diameter of the insertion hole is slightly larger than the outer diameter of the tire valve, and the tire valve can play a supporting role when inserted into the insertion hole;

[0064] The valve core 2 includes an outer core body 201, an inner core body 202 inserted in the outer core body 201, and a connecting portion 203; an elastic collar 204 is provided at the upper end of the outer core body 201, and the elastic collar 204 is close to the top pressure ring 102 and is located below the top pressure ring 102; the connecting portion 203 includes a valve core seat 2031, a connecting pipe 2032 and a connecting head 2033, and the connecting head can be an external thread, an internal thread, a pagoda joint, etc.;

[0065] The button assembly 3 includes a button portion 30 and a pair of supporting pins 31; the button portion 30 includes a pressing plate 301 arranged in a "V" shape and a pair of pressing portions 302 arranged at the ends of the pressing plate 301, and the pressing portion 302 is rotatably connected to the lower end of the valve sleeve 1 through the supporting pins 31; the valve core seat 2031 is pressed against the pressing portion 302.

[0066] When the tire needs to be inflated, hold the inflation nozzle and press the pressing plate of the button part with your thumb. The pressing plate moves closer to the valve sleeve, and the pressing part of the button part rotates around the supporting pin. Through the lever principle, only a small force is needed to drive the valve core to move upward relative to the valve sleeve. The elastic clamp ring 204 moves upward and presses against the pressing ring. The elastic clamp ring expands and deforms due to the action of the pressing ring.

[0067] Then insert the inflation nozzle into the tire valve. Since the elastic clamp ring becomes larger, it can effectively prevent the tire valve thread from contacting, thereby reducing the thread pattern. After the inflation nozzle is installed in place, release the button part. The elastic clamp ring recovers its deformation through its own elastic recovery ability to clamp the tire valve, thereby improving the connection stability between the tire valve and the inflation nozzle.

[0068] like Fig. 9 As shown, the elastic collar 204 includes an outer insert ring 2041 and an inner insert ring 2042 formed in one piece; the outer insert ring 2041 is set to be lower outside and higher inside, and the inner insert ring 2042 is set to be higher outside and lower inside; the inner diameter of the inner insert ring 2042 in a free state is smaller than the outer diameter of the tire valve core;

[0069] The inner snap ring 2042 is formed with a plurality of inner slots 2043 evenly distributed around the circumference; the outer insert ring 2041 is formed with a plurality of outer slots 2044 evenly distributed around the circumference, and the outer slots 2044 and the inner slots 2043 are staggered.

[0070] A slot is formed at the upper end of the outer core 201 , and the outer ends of the outer insert ring 2041 and the inner snap ring 2042 are placed in the slot.

[0071] The outer slot 2044 and the inner slot 2043 can improve the deformation ability of the elastic clamping ring;

[0072] Multiple external grooves divide the inner clamping ring into multiple sector-shaped cards. When the sector-shaped cards are pressed by the pressing ring, the sector-shaped cards move downward and the inner ends move outward, thereby avoiding contact with the threads of the tire valve; when the pressing ring is away from the sector-shaped cards, the sector-shaped cards are inserted into the threads of the tire valve. Since there are multiple sector-shaped cards, multi-point and uniform clamping can be achieved, and the clamping connection stability is better.

[0073] like Figure 6 , Figure 7 As shown, the pressing portion 302 is in a rectangular shape; in a free state, the upper end surface of the pressing portion is pressed against the bottom surface of the valve core seat 2031. When pressing, the upper end surface of the pressing portion is turned around the support pin axis, and one end of the upper end surface of the pressing portion is tilted to push the valve core upward;

[0074] The pressing portion 302 is formed with a second insertion hole 3021; ​​the lower end of the valve sleeve 1 is formed with a pair of symmetrically arranged support holes 103; the support pin shaft 31 includes a large end portion 311 and a small end portion 312, the small end portion 312 is inserted into and fixed in the second insertion hole 3021, the large end portion 311 is inserted into the support hole 103 and the gap between the two is matched, and the support pin shaft and the pressing portion can be connected by press-fitting.

[0075] like Figure 4 As shown, the valve sleeve 1 includes an upper shell 10 and a lower shell 11 which are separately arranged, and the upper shell 10 and the lower shell 11 are connected by threads;

[0076] The outer core 201 and the valve core seat 2031 are inserted into the upper shell 10 and are arranged with clearance fit with the upper shell 10;

[0077] The outer core body 201 and the valve core seat 2031 are connected via threads.

[0078] By arranging the valve sleeve separately, the installation of the valve core and the button assembly can be facilitated, and the processing difficulty of the valve sleeve can also be reduced.

[0079] like Figure 5 As shown, the outer core 201 is formed with a stepped hole 2011 that is smaller at the top and larger at the bottom;

[0080] The inner core body 202 includes a cylinder 2021 inserted into the large end hole of the step hole 2011, a groove 2022 is formed at the upper end of the cylinder 2021, a core column 2023 is formed in the middle of the groove 2022, and the upper end of the core column 2023 is higher than the upper end surface of the cylinder 2021; a plurality of circumferentially evenly distributed air holes 2024 are formed on the core column 2023.

[0081] The pore is set offset from the center of the core column to prevent the tire valve core from blocking the pore when it is pressed against the inner core body, thereby ensuring effective inflation of the pore; the external high-pressure air pipe is connected to the connecting part, and the high-pressure gas enters the inner core body through the connecting part and flows out of the pore.

[0082] The core column 2023 is provided with a sealing rubber sleeve 205;

[0083] The sealing rubber sleeve 205 includes a rubber sleeve base 2051, an inner sealing ring 2052 and an outer sealing ring 2053 arranged on the rubber sleeve base 2051, the inner sealing ring 2052 is inserted on the core column 2023, and the upper end of the outer sealing ring 2053 is arranged in a bell-shaped shape to facilitate the insertion of the tire valve.

[0084] When the tire valve is inserted, the outer wall of the tire valve abuts against the outer sealing ring, and the inner wall of the tire valve abuts against the inner sealing ring, thereby improving the air tightness between the tire valve and the valve core and preventing gas leakage during inflation.

[0085] like Figure 4 As shown, a sealing groove is formed on the outer wall of the cylinder 2021 , a sealing ring 206 is sleeved in the sealing groove, and the sealing ring 206 is pressed against the large end hole of the step hole 2011 .

[0086] The sealing ring can improve the valve performance between the inner core and the outer core, preventing the gas from directly flowing out from the gap between the inner core and the outer core, thereby failing to achieve the inflation effect.

[0087] A compression spring 207 is clamped between the bottom of the inner core 202 and the valve core seat 2031 .

[0088] By arranging the compression spring, when the inflation nozzle is inserted, the tire valve core is pressed against the inner core body, thereby driving the compression spring to be further compressed, thereby ensuring that the tire valve is always connected to the sealing rubber sleeve, and the tire valve core is tightly connected to the inner core body;

[0089] When the inflation is completed, the button is pressed, and the elastic clamp ring is separated from the tire valve, releasing the restraint on the tire valve; then, under the action of the compression spring, the tire valve core can be pushed out, thereby completing the rapid separation of the inflation nozzle and the tire valve.

[0090] A flexible button 32 is fixed to the outer end of the pressing plate 301 , and the flexible button can improve the comfort when pressing the button.

[0091] The flexible button 32 is transparent; a pattern or mark is arranged inside the flexible button 32; the pattern or mark may be a company name, company logo, etc.

[0092] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. A button-type labor-saving quick-inflation nozzle, comprising a valve sleeve (1), a valve core (2) and a button assembly (3), wherein the valve core (2) is inserted into the valve sleeve (1); the characteristics are: The upper end of the valve sleeve (1) is formed with an insertion hole (101) and a top pressure ring (102) arranged at the lower end of the insertion hole (101); The valve core (2) comprises an outer core body (201), an inner core body (202) inserted into the outer core body (201), and a connecting portion (203); an elastic clamping ring (204) is provided at the upper end of the outer core body (201), and the elastic clamping ring (204) is close to the top pressure ring (102) and is located below the top pressure ring (102); the connecting portion (203) comprises a valve core seat (2031), a connecting pipe (2032), and a connecting head (2033); The button assembly (3) comprises a button portion (30) and a pair of supporting pins (31); the button portion (30) comprises a pressing plate (301) arranged in a "V" shape and a pair of pressing portions (302) arranged at the ends of the pressing plate (301); the pressing portions (302) are rotatably connected to the lower end of the valve sleeve (1) via the supporting pins (31); and the valve core seat (2031) is pressed against the pressing portions (302).

2. The button-type labor-saving quick-inflation nozzle according to claim 1, characterized in that: The elastic clamping ring (204) comprises an outer insert ring (2041) and an inner clamping ring (2042) which are integrally formed; the outer insert ring (2041) is arranged to be lower on the outside and higher on the inside, and the inner clamping ring (2042) is arranged to be higher on the outside and lower on the inside; The inner snap ring (2042) is formed with a plurality of inner slots (2043) evenly distributed around the circumference; the outer insert ring (2041) is formed with a plurality of outer slots (2044) evenly distributed around the circumference, and the outer slots (2044) and the inner slots (2043) are staggered. A clamping groove is formed at the upper end of the outer core body (201), and the outer ends of the outer insert ring (2041) and the inner clamping ring (2042) are placed in the clamping groove.

3. The button-type labor-saving quick-inflation nozzle according to claim 1, characterized in that: The pressing portion (302) is in the shape of a rectangular body; The pressing portion (302) is formed with a second insertion hole (3021); the lower end of the valve sleeve (1) is formed with a pair of symmetrically arranged support holes (103); the support pin shaft (31) comprises a large end portion (311) and a small end portion (312); the small end portion (312) is inserted into and fixed in the second insertion hole (3021); the large end portion (311) is inserted into the support hole (103) and the two are arranged with a clearance fit.

4. The button-type labor-saving quick-inflation nozzle according to claim 1, characterized in that: The valve sleeve (1) comprises an upper shell (10) and a lower shell (11) which are arranged separately, and the upper shell (10) and the lower shell (11) are connected by threads; The outer core body (201) and the valve core seat (2031) are inserted into the upper shell body (10) and are arranged with clearance fit with the upper shell body (10); The outer core body (201) and the valve core seat (2031) are connected via threads.

5. The button-type labor-saving quick-inflation nozzle according to claim 1, characterized in that: The outer core (201) is formed with a stepped hole (211) which is smaller at the top and larger at the bottom; The inner core body (202) comprises a cylinder (2021) inserted into the large end hole of the step hole (2011); a sink groove (2022) is formed at the upper end of the cylinder (2021); a core column (2023) is formed in the middle of the sink groove (222); the upper end of the core column (2023) is higher than the upper end surface of the cylinder (2021); and a plurality of pores (2024) evenly distributed around the circumference are formed on the core column (2023).

6. The button-type labor-saving quick-inflation nozzle according to claim 5, characterized in that: The core column (2023) is provided with a sealing rubber sleeve (205); The sealing rubber sleeve (205) comprises a rubber sleeve base (2051), an inner sealing ring (2052) and an outer sealing ring (2053) arranged on the rubber sleeve base (2051); the inner sealing ring (2052) is inserted into the core column (2023); and the upper end of the outer sealing ring (2053) is arranged in a bell-shaped shape.

7. The button-type labor-saving quick-inflation nozzle according to claim 6, characterized in that: A sealing groove is formed on the outer wall of the cylinder (2021), a sealing ring (206) is sleeved in the sealing groove, and the sealing ring (206) is pressed against the large end hole of the step hole (2011).

8. The button-type labor-saving quick-inflation nozzle according to claim 5, characterized in that: A compression spring (207) is clamped between the bottom of the inner core body (202) and the valve core seat (2031).

9. The button-type labor-saving quick-inflation nozzle according to claim 1, characterized in that: A flexible button (32) is fixed to the outer end of the pressing plate (301).

10. The button-type labor-saving quick-inflation nozzle according to claim 9, characterized in that: The flexible button (32) is transparent; a pattern or mark is provided inside the flexible button (32).

Images