TW201319434A - Air pump nozzle head capable of being connected with different nozzles - Google Patents

Abstract

The present invention provides an air pump nozzle head capable of being connected with different nozzles. The air pump nozzle head includes a connector, a center base, and an outer cover. The connector has a first end and a second end. An accommodation space is formed in the connector and is communicating with the first end and the second end of the connector. The second end of the connector is capable of being airtight-connected to a Presta valve in a non-screwing manner. The center base is slidably and axially arranged in the accommodation space of the connector. The center base has a first section and a second section. The first second of the center has an accommodation portion having a thimble in an axial direction. The thimble is for abutting against a Schrader valve. One end of the outer cover is pivoted to the first end of the connector, and is capable of pivoting relatively. One end of the outer cover opposite to the connector is opened and forms a screwing portion that is connected to the first end of the connector. The screwing portion is capable of screwing and connecting to the Schrader valve.

Description

Inflator head that can be connected to different nozzles

The invention relates to an air nozzle of a pump, in particular to an air nozzle of a pump which can be connected to different nozzles.

Regardless of its type, the conventional pump is inflated by the single stroke of the piston at the earliest, and the two-way stroke inflation has been developed to the pump that can balance the inflation rate and the inflation effect. Because of the type of bicycle nozzle, there are American nozzles and French. Different specifications, such as gas nozzles, in order to make the operator more convenient in the filling process, the "double-head" wind nozzles suitable for different nozzles are designed to inflate the nozzles of different specifications.

Referring to U.S. Patent No. 5,921,269, which is a double-headed air nozzle. The two ends of the air nozzle are respectively provided with a connecting member, and the connecting member has a central hole for the air nozzle to pass through, so that the center hole of the connecting member is wrapped around the outer thread of the American air nozzle or the large diameter of the French air nozzle At the place, the operation of filling the inflatable body can be performed. However, during the operation of filling the inflatable body, after the internal air pressure of the air to be inflated reaches the saturated state, the gas inside the air nozzle head can no longer enter the object to be inflated, but the user still continues to reciprocate with the pump. Inflated, the connecting piece of the wind mouth at this time will be relatively slippery with the air nozzle, which is easy to cause the wind nozzle to be sprayed away from the air nozzle due to high pressure, that is, the phenomenon that the wind mouth head is separated from the elastic opening nozzle at high speed, which A situation that may cause damage to the user when the condition occurs, is not a safe design, and the internal parts of the wind mouth are also damaged.

The patent of German Patent No. 102008057713, which is a double-headed air nozzle, is disclosed. The two ends of the air nozzle are respectively provided with a screwing hole, and the screwing hole can be screwed to the air nozzle so that the air nozzle does not escape from the wind nozzle in the axial direction, and the high pressure filling can be smoothly performed. Gas operation. However, when the wind mouth is screwed into the French air nozzle, a problem of leakage gas is generated, as shown in the figure of the double-headed air nozzle of FIG. 10, when the wind nozzle is screwed to the screw hole. When the upper valve member of the post-type lengthened French air nozzle is invisible, the user cannot see that the French air nozzle is hidden in the upper valve member in the air nozzle head, so the screw hole of the air nozzle head cannot be controlled to be screwed with the French air nozzle. In the axial stroke of the time, the user usually stops the screwing action by feeling the torque when the screwing is tightened, but this will cause a relative spiral between the upper valve member of the French air nozzle and the lower connecting rod. The movement causes a non-hermetic state between the upper valve member of the French air nozzle and the lower member thereof, thereby causing a problem of gas leakage inside the gas to be inflated.

In view of the above problems of the prior art, which cannot be effectively solved and overcome, the present applicant has filed this patent application to solve the aforementioned problems.

The air nozzle head of the invention can be connected to different air nozzles, including a joint, a top core seat and an outer cover; the joint has a first end and a second end, and the joint forms an accommodation space for accommodating The first end and the second end of the space communication joint, the second end of the joint can be airtightly connected to the French air nozzle in a non-spiral manner; the top core seat is axially slidably disposed in the accommodating space of the joint, and the top core seat has a first segment and a second segment, the first segment of the top core has a receiving portion, and the receiving portion of the top core has a thimble axially, the thimble is used to abut the American air nozzle; At the first end of the joint, and capable of generating a relative pivotal relationship, the outer cover is opposite to the one end of the joint and has a screwing portion connected to the first end of the joint, and the screwing portion can screw the American air nozzle, the main purpose is Therefore, the post below the post-type elongated French air nozzle does not have a relative spiral movement, so that the problem of gas deflation inside the gas to be inflated does not occur at all.

The invention can be connected to the air nozzle of the air nozzle of different nozzles. The secondary purpose is to provide an outer cover which can be pivotally connected to one end of the joint, and the outer cover can pivot relative to the joint to make a screw joint of the outer cover The ability to screw the American air nozzle can reduce the cost of the wind mouth and stimulate the consumer's desire to purchase.

The invention can be connected to the air nozzle of the different nozzles, and the other purpose is that the top seat can move between the first position and the second position in the accommodating space. In the first position, the first passage and the tube The first end of the body is in communication, and the first end is not in communication with the second end of the tubular body. In the second position, the first passage is in communication with the second end of the tubular body, and the first passage is connected to the first end of the tubular body Not connected, and can be connected to different types of nozzles.

Other objects, advantages and novel features of the invention will be apparent from the description and appended claims.

The present invention has been described with reference to the preferred embodiments and the accompanying drawings, which are intended to be illustrative only, and are not limited by the structure.

Referring to FIG. 1 to FIG. 3, a first embodiment of the air nozzle of the pump that can be connected to different nozzles is provided. The air nozzle head 10 of the present invention includes a joint 20, a top seat 30 slidably disposed in the joint 20, and an outer cover 40 pivotally disposed at one end of the joint 20. The tuyere head 10 has one end of the outer cover 40. The American air nozzle 60 can be screwed (see FIG. 5), and the other end of the air nozzle head 10 can be airtightly connected to the French air nozzle 70 in a non-spiral manner (refer to FIG. 4), so that the French air nozzle 70 is not snail-proof. Turning to the problem of discouragement. The joint 20 has a first end 21 and a second end 22. The joint 20 defines an accommodating space 23 therein. The accommodating space 23 communicates with the first end 21 and the second end 22 of the joint. One side of the joint 20 is laterally provided with a connecting portion 26, and the connecting portion 26 can be connected to the inflator. The joint 20 is radially provided with a first passage 25 located in the connecting portion 26. The first passage 25 communicates with the accommodating space 23 and the inflator, and the gas generated by the pump can enter the capacity of the joint 20 via the first passage 25. Placed in space 23.

The accommodating space 23 in the joint 20 forms a first zone 251 from the first passage 25 to the first end 21 of the joint 20, and a second zone 252 is formed from the first passage 25 to the second end 22 of the joint 20.

The accommodating space 23 of the joint 20 has a large section 231 and a small section 232. The diameter of the large section 231 is larger than the diameter of the small section 232, and a stop 233 is formed between the large section 231 and the small section 232. .

The second end 22 of the joint 20 can be hermetically connected to the French air nozzle 70 in a non-spiral manner, so that the French air nozzle 70 does not suffer from deflation due to the screwing. In the embodiment, the second end 22 of the joint 20 is provided with a cap 27. The cap 27 has a through hole 271 through which the nozzle 70 is bored. The hole 271 of the cap 27 has a larger hole diameter than the French nozzle 70. The outer diameter of the large diameter section 72 is such that the perforation 271 of the cap 27 can be inserted through the large-diameter section 72 of the French air nozzle 70. Of course, the large diameter section of the French air nozzle 70 can also be provided. , adaptability is extensive. In the present embodiment, the cap 27 is screwed to the second end 22 of the joint 20 to secure the cap 27 to the joint 20. Of course, the joint 20 and the cap 27 can also be an integrally formed structure.

The second end 22 of the joint 20 has a receiving groove 24, and a sealing ring 28 is disposed in the receiving groove 24. The sealing ring 28 is airtightly connected to the French air nozzle 70 in a non-spiral manner, so that the post type elongated type French The post below the gas nozzle 70 does not undergo relative spiral movement, so that the problem of gas bleed inside the gas to be inflated does not occur at all.

The sealing ring 28 is provided at the axial center with a neck hole 281 extending through the two ends of the sealing ring 28. The inner diameter of the neck hole 281 is smaller than the outer diameter of the neck 73 of the French air nozzle 70, so that the neck 73 of the French air nozzle 70 When the neck hole 281 of the seal ring 28 is inserted, the neck beam hole 281 can be hermetically bonded to the neck portion 73 of the French air nozzle 70. The neck hole 281 of the seal ring 28 has a first length L1 extending in the axial direction, the first length L1 being greater than the axial length of the neck 73 of the French air nozzle 70, the first length L1 being smaller than the French The small-diameter screw segment 71 of the gas nozzle 70 is added to the axial length of the neck portion 73.

The sealing ring 28 is provided with a receiving groove 282 communicating with the neck hole 281 with respect to the through hole 271 of the cap 27. The inner diameter of the receiving groove 282 is larger than the outer diameter of the large diameter portion 72 of the French air nozzle 70. After the neck portion 73 of the French air nozzle 70 is inserted into the neck hole 281 of the seal ring 28, the large diameter portion 72 of the French air nozzle 70 can be blocked between the accommodating groove 282 of the seal ring 28 and the neck hole 281 to prevent the French The large diameter section 72 of the gas nozzle 70 is inserted into the neck hole 281 of the seal ring 28.

The outer periphery of the seal ring 28 is formed with a fixed section 283 adjacent to the cap 27 and a compressed section 284 away from the cap 27. The fixed section 283 of the seal ring 28 is coupled to the receptacle 24 of the second end 22 of the joint 20, The seal ring 28 is secured within the receptacle 24 of the joint 20. There is a gap 241 between the pressure receiving section 284 of the seal ring 28 and the inner wall of the pocket 24 of the joint 20 to allow gas to enter the gap 241 between the pressure receiving section 284 of the seal ring 28 and the pocket 24 of the joint 20. The pressure-receiving section 284 of the seal ring 28 is prevented from creating an airtight relationship with the inner wall of the receptacle 24 of the joint 20.

In the present embodiment, the pressure receiving section 284 of the seal ring 28 is formed in a stepped shape of the end, and the pressure receiving section 284 of the seal ring 28 has a second length L2 extending in the axial direction and a second length of the pressure receiving section 284. L2 is larger than the first length L1 of the neck beam hole 281, and the radial direction of the neck beam hole 281 of the seal ring 28 corresponds to the position of the pressure receiving portion 284, so when the pressure receiving portion 284 of the seal ring 28 is radially directed by the gas pressure During the inner pressing, the neck hole 281 of the sealing ring 28 can automatically generate a clamping force which is pressed radially inwardly against the neck 73 of the French air nozzle 70, so that the neck hole 281 of the sealing ring 28 and the French air nozzle 70 A good airtight effect is produced between the neck portions 73, and at the same time, the effect of preventing the French air nozzle 70 from moving outward is achieved.

The abutment 30 is axially slidably disposed in the accommodating space 23 of the connector 20, and the two ends of the pedestal 30 are respectively abutted by different nozzles. The pedestal 30 can be first in the accommodating space 23 Moving between the position and the second position, the first passage 25 is in communication with the first end 21 of the joint 20 when the top seat 30 is in the first position, and the first passage 25 and the second end 22 of the joint 20 When the top seat 30 is in the second position, the first passage 25 communicates with the second end 22 of the joint 20, and the first passage 25 is not in communication with the first end 21 of the joint 20.

The top seat 30 has a first section 301 and a second section 302. The first section 301 of the top seat 30 is received in the large section 231 of the accommodating space 23, and the second section 302 of the top seat 30 is received. a small section 232 of the accommodating space 23, the outer diameter of the first section 301 of the top core 30 is larger than the outer diameter of the second section 302, and a shoulder 303 is formed between the first section 301 and the second section 302. The shoulder 303 of the first section 301 of the seat 30 can block the stop 233 in the joint 20, and the length of the first section 301 of the top seat 30 is less than the length of the large section 231 of the joint 20, so that the top seat 30 can Moves within the accommodating space 23.

The end of the first section 301 of the top core 30 has a receiving portion 31, and the receiving portion 31 of the top core 30 has a thimble 32 in the axial direction. The ejector pin 32 is used to abut the American air nozzle 60, and the receiving portion 31 is provided therein. An airtight member 33 for pressing the American air nozzle 60 to achieve an airtight effect. The end of the second section 302 of the top core 30 has a recess 34 for the French air nozzle 70 to extend into the push.

The first segment 301 of the top core 30 is sleeved with a first stagnation ring 35 adjacent to the outer edge of the second segment 302, and the second segment 302 of the yoke base 30 is sleeved with a second stagnation ring 36. A second stagnation collar 36 slides on either side of the first passage 25 to selectively communicate gas to the first end 21 or the second end 22 of the joint 20. The top core 30 is provided with a penetrating second passage 37 between the first stagnation ring 35 and the second stagnation ring 36, and the top core 30 is axially connected to the ejector pin 32 and the first The air passage 38 of the second passage 37 communicates from the second passage 37 to the end of the thimble 32.

One end of the outer cover 40 is pivotally disposed at the first end 21 of the joint 20 and is capable of generating a relative pivotal relationship. The outer cover 40 is opposite to the one end of the joint 20 and has a screwing portion 41 communicating with the first end 21 of the joint 20, and the screwing portion 41 can be screwed to the American air nozzle 60.

A pivoting device 50 is disposed between the outer cover 40 and the first end 21 of the joint 20. The pivoting device 50 pivotally connects the outer cover 40 to the first end 21 of the joint 20, so that the outer cover 40 can be pivoted relative to the joint 20. The outer cover 40 does not detach from the first end 21 of the joint 20.

In the embodiment, the pivoting device 50 is a C-shaped buckle 51. The outer peripheral ring of the outer cover 40 is provided with a first limiting slot 42. The first end of the first end 21 of the connector 20 is provided with a second limit. The slot 201 and the C-clip 51 are disposed between the first limiting slot 42 of the outer cover 40 and the second limiting slot 201 of the connector 20, so that the outer cover 40 can pivot relative to the connector 20 and the outer cover 40 does not disengage. The first end 21 of the joint 20.

Referring to Fig. 4, there is shown a use state diagram of the air nozzle head 10 of the present invention. The air nozzle 10 directly fits the through hole 271 of the cap 27 outside the French air nozzle 70, so that the French air nozzle 70 can be directly inserted into the through hole 271 of the cap 27, and the French air nozzle 70 will open the top core 30 to In the second position, the second stagnation collar 36 is pushed up to the first zone 251, the first passage 25 is closed to the second end 22, and the ejector pin of the French vent 70 is opened to inflate the French vent 70.

Since the inner diameter of the neck hole 281 of the seal ring 28 is smaller than the outer diameter of the neck 73 of the French air nozzle 70, when the neck 73 of the French air nozzle 70 is inserted into the neck hole 281 of the seal ring 28, the neck hole 28 can The airtight joint is combined with the neck of the French air nozzle 70, so that the large diameter section 72 under the post-type elongated French air nozzle 70 does not have a relative spiral movement, so that gas leakage inside the gas to be inflated does not occur at all. The problem.

Moreover, since the inner diameter of the neck beam hole 281 is smaller than the outer diameter of the neck portion 73 of the French air nozzle 70, the gas pressure inside the air nozzle head 10 can cause the seal ring 28 to be received after the internal pressure of the air to be inflated reaches a saturated state. The pressing section 284 is pressed radially inward by the gas pressure, and the neck beam hole 281 of the sealing ring 28 can automatically generate a clamping force which is pressed radially inwardly against the neck 73 of the French air nozzle 70, so that the neck of the sealing ring 28 The beam hole 281 and the neck portion 73 of the French air nozzle 70 produce a good airtight effect, and at the same time, the effect of preventing the air nozzle head 10 from moving outward due to air pressure saturation causes the French air nozzle 70 to move outward.

Referring to Fig. 5, a state of use of the American air nozzle 60 is connected to the tuyere head 10 of the present invention. The air nozzle 10 rotates the outer cover 40 to screw the screw portion 41 to the American air nozzle 60, and the end surface 61 of the American air nozzle 60 presses the airtight member 33 to form airtightness, and opens the top core seat 30 to the first The ejector pin of the American air nozzle 60 is opened to push the second stagnation ring 36 to the second zone 252, and the first stagnation ring 35 is pushed to the first zone 251, so that the first channel 25 is connected. The second channel 37 is used to inflate the American air nozzle 60. Since the American air nozzle 60 is screwed to the screw portion 41 of the outer cover 40, the American air nozzle 60 does not move outward and is detached.

Referring to FIG. 6 , a second embodiment of the tuyere head 10 of the present invention is substantially the same as the first embodiment. The difference is that in the embodiment, the pivoting device 50 is a C-shaped buckle 51 and the outer cover 40 The inner peripheral ring is provided with a first limiting slot 43. The outer end of the first end 21 of the connector 20 is provided with a second limiting slot 202. The C-shaped buckle 51 is disposed on the first limiting slot 43 of the outer cover 40. Between the second limit groove 202 of the joint 20, the outer cover 40 can be pivoted relative to the joint 20 and the outer cover 40 does not disengage from the first end 21 of the joint 20.

Referring to FIG. 7 , a third embodiment of the tuyere head 10 of the present invention is substantially the same as the first embodiment. The difference is that in the embodiment, the pivoting device 50 is at least one spring tip 52 and the outer cover 40 The inner peripheral ring is provided with a first limiting slot 44. The outer periphery of the first end 21 of the joint 20 is provided with at least one second limiting slot 203. The second limiting slot 203 extends through the inner periphery of the first end 21 of the joint 20. And the outer peripheral edge, the spring tip 52 is inserted through the second limiting slot 203 of the joint 20 and partially extends into the first limiting slot 44 of the outer cover 40, so that the outer cover 40 can pivot relative to the joint 20 and the outer cover 40 does not The first end 21 of the joint 20 is disengaged.

Referring to FIG. 8 , a fourth embodiment of the tuyere head 10 of the present invention is substantially the same as the first embodiment. The difference is that in the embodiment, the pivoting device 50 is a ring 53 and the outer cover 40 The outer peripheral ring is provided with a radially outwardly facing first flange 45. The outer end of the first end 21 of the joint 20 is provided with an external thread 204. One end of the ring 53 has an internal thread 531 which can be coupled to the joint 20. The external thread 204, the ring 53 has a second radially outwardly facing flange 532 opposite the end of the joint 20, and the second flange 532 of the collar 53 can surround the first flange 45 of the outer cover 20 to The cover 40 is pivotable relative to the joint 20 and the outer cover 40 does not disengage from the first end 21 of the joint 20.

Referring to FIG. 9 , a fifth embodiment of the tuyere head 10 of the present invention is substantially the same as the first embodiment. The difference is that in the embodiment, the pivoting device 50 includes a ring 54 and a C-type. Buckle 55, the inner periphery of the outer cover 40 has an internal thread 46, the ring 54 has an external thread 541, the external thread 541 of the ring 54 is coupled to the internal thread 46 of the outer cover 40, and the outer periphery of the first end 21 of the joint 20 The ring is provided with a limiting slot 205, and the C-shaped buckle 55 is disposed on the limiting slot 205 of the joint 20, and the C-shaped buckle 55 can block the ring 54 so that the outer cover 40 can pivot relative to the joint 20 and the outer cover 40 does not Will exit the first end 21 of the joint 20.

As far as the above is concerned, it can be concluded that the present invention has the following advantages:

1. The air nozzle of the invention can be connected to different air nozzles, comprising a joint, a top core seat and an outer cover; the joint has a first end and a second end, and the joint forms an accommodation space therein. The first end and the second end of the joint of the accommodating space, the second end of the joint can be airtightly connected to the French air nozzle in a non-spiral manner; the axial seat is axially slidably disposed in the accommodating space of the joint, the top center The seat has a first section and a second section, and the first section of the top core seat has a receiving portion, and the receiving portion of the top core seat has a thimble axially, the ejector pin is used to abut the American air nozzle; the one end of the outer cover is The first end of the joint is pivoted and can be in a relative pivotal relationship. The outer cover is opposite to the end of the joint, and a screw joint is connected to the first end of the joint. The screw joint can be screwed into the American air nozzle. The purpose is to prevent the relative rotation of the post below the post-type elongated type air nozzle, so that the problem of gas bleed inside the object to be inflated does not occur at all.

2. The invention can be connected to the air nozzle of the air nozzle of different nozzles. The secondary purpose is to provide an outer cover which can be pivotally connected to one end of the joint, and the outer cover can pivot relative to the joint to make a screw provided by the outer cover The joint can screw the American air nozzle, so that the cost of the wind mouth can be reduced, stimulating the consumer's desire to purchase.

3. The invention can be connected to the air nozzle of the different nozzles, and the other purpose is that the top seat can move between the first position and the second position in the accommodating space, and in the first position, the first passage Communicating with the first end of the tubular body, and the first passage is not in communication with the second end of the tubular body. In the second position, the first passage communicates with the second end of the tubular body, and the first passage and the tubular body are One end is not connected and can be connected to different types of nozzles.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are still within the scope of the invention patent.

10. . . Wind mouth

20. . . Connector

201. . . Second limit slot

202. . . Second limit slot

203. . . Second limit slot

204. . . External thread

205. . . Limit slot

twenty one. . . First end

twenty two. . . Second end

twenty three. . . Housing space

231. . . Large section

232. . . Small section

233. . . Stop

twenty four. . . Crate

241. . . Void

25. . . First channel

251. . . First district

252. . . Second district

26. . . Connection

27. . . Cap

271. . . perforation

28. . . Sealing ring

281. . . Neck hole

282. . . Locating slot

283. . . Fixed section

284. . . Pressure section

30. . . Top seat

301. . . First paragraph

302. . . Second paragraph

303. . . Shoulder

31. . . Tolerance

32. . . thimble

33. . . Airtight parts

34. . . Groove

35. . . First stop ring

36. . . Second stop ring

37. . . Second channel

38. . . airway

40. . . s

41. . . Screw joint

42. . . First limit slot

43. . . First limit slot

44. . . First limit slot

45. . . First flange

46. . . internal thread

50. . . Pivot device

51. . . C buckle

52. . . Spring tip

53. . . Loop

531. . . internal thread

532. . . Second flange

54. . . Loop

541. . . External thread

55. . . C buckle

60. . . American mouth

61. . . End face

70. . . French nozzle

71. . . Small diameter screw segment

72. . . Large diameter department

73. . . neck

L1. . . First length

L2. . . Second length

Figure 1 is a perspective view of the first embodiment of the air nozzle of the present invention.

Figure 2 is a perspective exploded view of the first embodiment of the air nozzle of the present invention.

Figure 3A is a schematic cross-sectional view showing the first embodiment of the air nozzle of the present invention.

Figure 3B is a cross-sectional view of the air nozzle of the present invention taken along line 3B-3B of Figure 3A.

Figure 4 is a view showing the state of use of the first embodiment of the air nozzle of the present invention for a French air nozzle.

Fig. 5 is a view showing the state of use of the first embodiment of the air nozzle of the present invention for use in an American air nozzle.

Figure 6 is a cross-sectional view showing a second embodiment of the air nozzle of the present invention.

Figure 7A is a schematic cross-sectional view showing a third embodiment of the air nozzle of the present invention.

Figure 7B is a cross-sectional view of the air nozzle of the present invention taken along line 7B-7B of Figure 7A.

Figure 8 is a cross-sectional view showing a fourth embodiment of the air nozzle of the present invention.

Figure 9 is a cross-sectional view showing the fifth embodiment of the air nozzle of the present invention.

Figure 10: Schematic diagram of the conventional double-headed pump air nozzle, indicating that the wind nozzle is screwed to the post-type elongated French air nozzle.

10. . . Wind mouth

20. . . Connector

201. . . Second limit slot

twenty one. . . First end

twenty two. . . Second end

26. . . Connection

27. . . Cap

28. . . Sealing ring

281. . . Neck hole

283. . . Fixed section

284. . . Pressure section

30. . . Top seat

301. . . First paragraph

302. . . Second paragraph

303. . . Shoulder

31. . . Tolerance

32. . . thimble

33. . . Airtight parts

35. . . First stop ring

36. . . Second stop ring

37. . . Second channel

40. . . s

41. . . Screw joint

42. . . First limit slot

50. . . Pivot device

51. . . C buckle

Claims (13)

An air nozzle of a pump that can be connected to different nozzles, comprising: a joint having a first end and a second end, the joint forming an accommodating space therein, the accommodating space communicating with the joint One end and a second end, one side of the joint is laterally provided with a connecting portion, and the connecting portion can be connected to the air pump, the joint is radially provided with a first passage in the connecting portion, and the first passage communicates with the receiving portion The space and the air pump, the second end of the joint can be airtightly connected to the French air nozzle in a non-spiral manner; a top core seat axially slidingly disposed in the receiving space of the joint, the top core The seat has a first section and a second section, the first section of the top core has a receiving portion, and the receiving portion of the top core has a thimble axially for abutting the American air nozzle, the capacity The inner portion is provided with a gas-tight member for the American air nozzle to press against the airtight effect, and the top core seat is movable between the first position and the second position in the accommodating space, the top core seat is In the first position, the first channel and the first of the connector Connected, the first channel communicates with the second end of the joint when the top seat is in the second position; an outer cover, one end of the outer cover is pivotally disposed at the first end of the joint, and is capable of generating a relative In the pivotal relationship, the outer cover is opposite to the one end of the joint and has a screwing portion connected to the first end of the joint, and the screwing portion can screw the American air nozzle. The pump tuyere of claim 1, wherein a pivoting device is disposed between the outer cover and the first end of the joint, the pivoting device pivoting the outer cover to the first of the joint The end enables the outer cover to pivot relative to the joint and the outer cover does not disengage from the first end of the joint. The pumping nozzle of claim 2, wherein the pivoting device is a C-shaped buckle, the outer peripheral ring of the outer cover is provided with a first limiting groove, and the first end of the joint is surrounded by a circumference There is a second limiting slot, and the C-shaped buckle is disposed between the first limiting slot of the outer cover and the second limiting slot of the joint. The pumping nozzle of claim 2, wherein the pivoting device is a C-shaped buckle, the inner peripheral ring of the outer cover is provided with a first limiting groove, and the outer periphery of the first end of the joint is ring-shaped. There is a second limiting slot, and the C-shaped buckle is disposed between the first limiting slot of the outer cover and the second limiting slot of the joint. The pumping nozzle of claim 2, wherein the pivoting device is at least one spring tip, the inner peripheral ring of the outer cover is provided with a first limiting slot, and the outer periphery of the first end of the connector is open At least one second limiting slot, the second limiting slot extends through the inner circumference and the outer circumference of the first end of the joint, and the spring end penetrates through the second limiting slot of the joint to partially extend into the outer cover A limit slot. The pump tuyere of claim 2, wherein the pivoting device is a loop, the outer peripheral ring of the outer cap is provided with a first flange that faces radially outward, and the first end of the joint is peripheral The edge ring is provided with an external thread, and one end of the ring has an internal thread that can be coupled to the external thread of the joint, the ring having a radially inwardly facing second flange opposite to the end of the joint, the ring The second flange can surround the first flange of the outer cover. The pump tuyere of claim 2, wherein the pivoting device comprises a loop and a C-shaped buckle, the inner periphery of the outer cap having an internal thread, the loop having an external thread, the loop The external thread of the ring is coupled to the internal thread of the outer cover, and the outer peripheral ring of the first end of the joint is provided with a limiting slot, the C-shaped buckle is disposed in the limiting slot of the joint, and the C-shaped buckle can block The loop. The pump tuyere according to any one of claims 1 to 7, wherein the second end of the joint has a receiving groove, and the sealing groove is provided with a sealing ring, and the sealing ring is opened along the axis There is a neck beam hole extending through the two ends of the sealing ring, the inner diameter of the neck beam hole being smaller than the outer diameter of the neck of the French air nozzle, the neck beam hole being airtightly coupled to the neck of the French air nozzle. The pump tuyere according to claim 8, wherein the outer circumference of the seal ring is formed with a fixed section and a pressure receiving section, and the fixing section of the seal ring is coupled to the groove of the second end of the joint, the seal There is a gap between the compressed section of the ring and the inner wall of the groove of the joint to allow gas to enter between the compressed section of the seal ring and the pocket of the joint. The pump tuyere according to claim 9, wherein the neck hole of the seal ring has a first length extending in the axial direction, the first length being greater than the axial length of the neck of the French nozzle, The first length is less than the small diameter thread segment of the French air nozzle plus the axial length of the neck. The pump tuyere of claim 10, wherein the pressure receiving section of the seal ring of the seal ring has a second length extending along the axial direction, and the second length of the pressure section is greater than the neck length of the neck A length, the radial direction of the neck hole of the seal ring corresponds to the position of the pressure receiving section. The air nozzle of the air pump of claim 11, wherein the sealing ring is provided with a receiving groove communicating with the neck hole, the inner diameter of the receiving groove being larger than the outer diameter of the large diameter of the French air nozzle. The large diameter section of the French air nozzle can be blocked between the receiving groove of the sealing ring and the neck beam hole, and the large diameter section of the French air nozzle is prevented from being inserted into the neck hole of the sealing ring. The pump tuyere according to claim 8, wherein the second end of the joint is provided with a cap having a perforation for the passage of the French nozzle, the perforation aperture of the cap being larger than the French gas The outer diameter of the large diameter section of the nozzle, the accommodating space of the joint has a large section and a small section, the diameter of the large section is larger than the diameter of the small section, and a large section and the small section form a a first portion of the top seat is received in a large section of the accommodating space, and the second section of the apex seat is received in a small section of the accommodating space, the first section of the apex is outside the first section The diameter is larger than the outer diameter of the second section, and a shoulder is formed between the first section and the second section, and the shoulder of the top seat can block the stop in the joint, the first section of the top seat The length is less than the length of the large area of the joint, so that the top seat can move in the accommodating space, and the first section of the top seat is sleeved with a first stagnation ring adjacent to the outer edge of the second section. The second sleeve of the top core seat is provided with a second stagnation ring, and the second stagnation ring is slid on both sides of the first passage to selectively make the gas The body is connected to the first end or the second end of the joint, and the top seat is radially disposed with a penetrating second passage between the first stagnation ring and the second stagnation ring, the top seat An air passage connecting the ejector pin and the second passage is axially disposed, and the air passage is connected to the thimble from the second passage.