CN115434901A

CN115434901A - Combined air pump

Info

Publication number: CN115434901A
Application number: CN202211227956.6A
Authority: CN
Inventors: 徐聪; 李金霞
Original assignee: Jiangsu Hehui Power Tools Co ltd
Current assignee: Jiangsu Hehui Power Tools Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-06

Abstract

The application relates to a combined air pump, which relates to the field of air pumps and comprises a driving device, an exhaust pipe and an inflating device, wherein the inflating device comprises a high-pressure pump and a low-pressure pump; the third connecting end is communicated with the high-pressure pump; one end of the exhaust pipe, which is far away from the driving device, is provided with a first connecting block, the connecting pipe is provided with a second connecting block, a fixing screw is inserted into the first connecting block, and the fixing bolt is in threaded connection with the second connecting block. This application has the high compression pump of convenient switching and low compression pump to promote the effect of the practicality of combination air pump.

Description

Combined air pump

Technical Field

The application relates to the field of air pumps, in particular to a combined air pump.

Background

Air pumps, i.e. "air pumps", are devices that remove air from an enclosed space or add air to an enclosed space. Air pressure is generated by continuously compressing air through the driving end; the driving end can be a motor and the like; at present, the air pump is mainly used for inflating, sewage treatment, electroplating and air blowing, biogas pool aeration, tunnel ventilation and the like.

The related art designs an air pump, which comprises an air cylinder, a piston and a power assembly, wherein a bowl-shaped elastic air valve is arranged at an air outlet of the air cylinder, and an air flap is arranged at the edge of the bowl-shaped elastic air valve; the piston is provided with an air inlet communicated with the outside, and the air inlet is provided with a sealing baffle plate; when the piston moves forwards along the air cylinder, air in the air cylinder is compressed, high-pressure air presses the sealing blocking piece to enable the air inlet to be in a closed state, and the high-pressure air presses the air flap to enable the air flap to contract to enable the air outlet to be in an open state; when the plug moves backwards along the air cylinder, negative pressure is generated in the air cylinder to enable the air flap to be opened towards the edge, the air outlet is in a closed state, and external atmosphere rushes the sealing blocking piece to enter the air cylinder.

However, the high-pressure air pump can only be applied to occasions requiring the high-pressure air pump, and when the application equipment is used for inflating by the low-pressure air pump, the low-pressure air pump needs to be prepared at the same time, so that the high-pressure air pump is inconvenient to carry and increases the production cost.

Disclosure of Invention

In order to promote regulation high pressure air pump and low pressure air pump that can be convenient under the different gas filled environment to the completion is to the inflation of different equipment, this application provides a combination air pump.

The application provides a combination air pump adopts following technical scheme:

a combined air pump comprises a driving device, an exhaust pipe and an inflating device, wherein the inflating device comprises a high-pressure pump and a low-pressure pump, one end of the exhaust pipe, which is far away from the driving device, is provided with a connecting pipe, a three-way valve is arranged in the connecting pipe, the three-way valve comprises an adjusting valve, a first connecting end, a second connecting end and a third connecting end, the first connecting end is communicated with the exhaust pipe, the second connecting end is communicated with the low-pressure pump, the connecting pipe is provided with an opening, and the third connecting end is inserted into the opening; the third connecting end is communicated with the high-pressure pump; one end of the exhaust pipe, which is far away from the driving device, is provided with a first connecting block, the connecting pipe is provided with a second connecting block, a fixing screw is inserted in the first connecting block, and the fixing screw is in threaded connection with the second connecting block.

Through adopting above-mentioned technical scheme, be connected high-pressure pump and low-pressure pump through the three-way valve to adjust through the governing valve, thereby change first intercommunication end and second intercommunication end and communicate with each other, perhaps first intercommunication end communicates with each other with the third intercommunication end, with the switching of realization high-pressure pump and low-pressure pump, so that the combination air pump satisfies different inflation requirements.

Preferably, the third connecting end is provided with a mounting assembly, the mounting assembly comprises a mounting sleeve and a receiving annular plate, the input end of the high-pressure pump is provided with a plug-in annular plate, and the plug-in annular plate can be inserted into the mounting sleeve; the outer wall of the inserting ring plate is provided with at least one pair of rotating rods in a rotating mode, and the bearing ring plate is provided with a position-giving opening through which the rotating rods are inserted.

Through adopting above-mentioned technical scheme, when installing the high-pressure pump, be connected through grafting crown plate and installation cover, the dwang rotates and is close to each other when letting the position mouth, rotates the high-pressure pump afterwards for the dwang butt is in accepting the surface of crown plate, thereby can improve the stability of high-pressure pump.

As preferred, the lateral wall of dwang is provided with firm piece, the firm groove that supplies firm piece to insert to establish is seted up on the surface of dwang, the lateral wall of firm piece and the inner wall mutual adaptation in firm groove.

Through adopting above-mentioned technical scheme, after rotating the high-pressure pump for the dwang is along the circumferential direction of installation cover, thereby makes the steady piece insert and locates in the firm groove, steady piece and firm groove looks mutual adaptation, thereby has promoted the stability of dwang, in order to reduce the combination pump because vibrations make the gliding emergence of phenomenon of dwang in follow-up use, has further promoted the stability of high-pressure pump.

Preferably, the inner wall of the mounting sleeve is provided with a connecting ring plate, one side of the connecting ring plate, which is close to the bearing ring plate, is provided with a compression spring, one end of the compression spring is connected with the bottom wall of the bearing ring plate, and the other end of the compression spring is provided with a pressing ring plate.

Through adopting above-mentioned technical scheme, after the dwang rotates and accepts the crown plate and offset, through compression spring's elastic force for the dwang with accept to support tightly each other between the board, further promoted the stability of dwang, thereby promoted the stability of high-pressure pump.

Preferably, one end of the pressing ring plate, which is far away from the compression spring, is provided with a sealing ring.

Through adopting above-mentioned technical scheme, the pressure strip makes dwang and accepts the ring plate to offset tight back, and the upper surface that the pressure strip offseted sealing washer and dwang tightly to promote the sealing performance between high-pressure pump and the installation cover, in order to reduce gaseous revealing.

Preferably, the outer wall of the mounting sleeve is provided with a fastening sleeve, the fastening sleeve is in threaded connection with the outer wall of the mounting pipe, the outer wall of the plug-in annular plate is provided with a connecting sleeve, the outer diameter of the connecting sleeve is equal to that of the mounting sleeve, and the fastening sleeve can be in threaded connection with the connecting sleeve.

By adopting the technical scheme, after the inserting annular plate of the high-pressure pump is inserted into the mounting sleeve, the fastening sleeve is rotated, so that one part of the inner wall of the fastening sleeve is in threaded connection with the outer wall of the mounting sleeve, the other part of the inner wall of the fastening sleeve is in threaded connection with the outer wall of the connecting sleeve, and the connection stability between the high-pressure pump and the mounting sleeve is further improved.

Preferably, the outer wall of the fastening sleeve is provided with a poking block.

Through adopting above-mentioned technical scheme, when rotating fastening sleeve, the accessible is stirred and is dialled the piece and rotate, has reduced the emergence that is difficult to twist the phenomenon of moving fastening sleeve when using to convenience when having promoted the operation adapter sleeve.

As preferred, the holding tank has been seted up along its circumference to installation cover outer wall, the holding tank is located fastening sleeve's top, the holding tank is located the connecting pipe, it is provided with connecting gear to rotate in the holding tank, connecting gear can be in the holding tank circumferential direction rotate, be provided with in the connecting pipe with the driven gear who is connected gear engagement, driven gear inserts and is equipped with the follower lever, the one end of follower lever is connected with the inner wall rotation of connecting pipe, the other end of follower lever is provided with driven worm, driven worm lateral wall meshing has the turbine, the turbine passes through the inner wall rotation of connecting axle with the connecting pipe and is connected, the one end meshing that driven worm was kept away from to the turbine has the connecting rack, the governing valve is fixed with adjusts the handle, adjust the handle and be connected the rack.

By adopting the technical scheme, after the rotating gear is rotated, the rotating gear can drive the driven gear to rotate, so that the driven rod rotates, the driven worm connected with the driven rod rotates, the turbine meshed with the driven worm rotates to drive the connecting rack to move up and down, the first connecting end and the second connecting end are communicated or the first connecting end and the third connecting end are communicated by the operation adjusting handle, the step that the connecting pipe and the exhaust pipe need to be disassembled when the high-pressure pump and the low-pressure pump are replaced is reduced, and the convenience in sleeving the high-pressure pump and the low-pressure pump is improved.

Preferably, the lower end of the connecting gear is provided with a telescopic rod, and the other end of the telescopic rod is connected with the upper end of the fastening sleeve.

By adopting the technical scheme, the connecting gear is connected with the fastening sleeve through the telescopic rod, so that the fastening sleeve and the connecting gear can synchronously rotate, and when the fastening sleeve rotates to connect the mounting sleeve with the connecting sleeve, the connecting gear drives the adjusting handle to enable the first communicating end to be communicated with the third communicating end, so that the high-pressure pump mode is adjusted; when the fastening sleeve is separated from the connecting sleeve, the connecting gear drives the adjusting handle to enable the first connecting end to be communicated with the second connecting end, so that the combined air pump is adjusted to be in a low-pressure mode, the high-pressure air pump can be detached, and convenience in switching air pump modes is further improved.

Preferably, the lower end of the fastening sleeve is rotatably connected with a closing plate, the closing plate can be attached to the fastening sleeve after rotation so that the fastening sleeve is closed, a magnetic part is arranged on one surface, attached to the fastening sleeve, of the closing plate, and an adsorption part magnetically attracted to the magnetic part is arranged on the fastening sleeve.

Through adopting above-mentioned technical scheme, dismantle the back when high-pressure pump and connecting pipe, rotate the closure plate for the magnetic part of closure plate with adsorb and mutually attract the laminating between the piece, thereby make the closure plate seal the fastening sleeve pipe, with the emergence of the phenomenon that reduces external impurity entering connecting pipe and influence the use of combination air pump.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving device, the low-pressure pump and the high-pressure pump are connected by the three-way valve arranged in the connecting pipe, and the first communicating end is communicated with the second communicating end by controlling the three-way valve, so that the low-pressure pump works and the high-pressure pump does not work; or the first communication end is communicated with the third communication end, so that the low-pressure pump does not work, the high-pressure pump works, and the combined air pump is suitable for different application scenes, thereby improving the practicability of the combined air pump;

2. the high-pressure pump is connected with the connecting pipe through the matching of the inserting ring plate and the mounting sleeve, the rotating rod is abutted to the surface of the bearing ring plate after penetrating through the abdicating opening, and the stabilizing block is inserted into the stabilizing groove, so that the stability of the rotating rod is improved, and the stability of the high-pressure pump is further improved;

3. through rotating the connecting rack, can operate the governing valve to need not carrying out the regulation of three-way valve after connecting pipe and exhaust tube separation, further promoted the convenience of switching different air pumps.

Drawings

Fig. 1 is an overall schematic view of a combination air pump according to an embodiment of the present application.

Fig. 2 isbase:Sub>A schematic sectional view ofbase:Sub>A portionbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is an enlarged schematic view of a portion b in fig. 2.

Fig. 4 is a schematic view for revealing a connection relationship between the closing plate and the fastening sleeve.

Fig. 5 is a partial schematic view for showing a connection relationship between the bayonet ring plate and the high-pressure pump.

Fig. 6 is a partial sectional view for revealing the inner structure of the connection pipe.

Fig. 7 is an enlarged schematic view of a portion c of fig. 6.

Description of the reference numerals:

1. a drive device; 11. an exhaust pipe; 111. a first connection block; 112. a fixing screw; 2. an inflator; 21. a high pressure pump; 22. a low pressure pump; 3. a connecting pipe; 30. a second connecting block; 31. an opening part; 32. a driven gear; 33. a driven lever; 34. a driven worm; 35. a turbine; 36. connecting the racks; 4. a three-way valve; 41. a first connection end; 42. a second connection end; 43. a third connection end; 44. adjusting a valve; 45. adjusting the handle; 5. mounting the component; 51. installing a sleeve; 52. a receiving ring plate; 521. a position yielding port; 522. a stabilizing groove; 53. a connecting ring plate; 531. a compression spring; 532. a compression ring plate; 533. a seal ring; 54. fastening the sleeve; 541. a shifting block; 543. a closing plate; 5431. a magnetic member; 55. accommodating a tank; 551. a connecting gear; 56. an adsorbing member; 6. inserting a ring plate; 61. rotating the rod; 62. a stabilizing block; 63. connecting a sleeve; 7. a telescopic rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses combination air pump. Referring to fig. 1 and 2, the combined air pump comprises a driving device 1, an air exhaust pipe 11, an air charging device 2 and a connecting pipe 3, wherein the driving device 1 provides a power source of the combined air pump for a motor and a piston cylinder, so that the air charging device 2 is charged; the outer wall of the piston cylinder is fixedly connected with an exhaust pipe 11 through a screw, the other end of the exhaust pipe 11 is provided with a first connecting block 111, one end, far away from the driving device 1, of the exhaust pipe 11 is provided with a connecting pipe 3, one end, close to the exhaust pipe 11, of the connecting pipe 3 is provided with a second connecting block 30, the first connecting block 111 is provided with a fixing screw 112 in a penetrating mode, and the fixing screw 112 is in threaded connection with the second connecting block 30, so that the connecting pipe 3 is connected with the exhaust pipe 11; the connecting pipe 3 is provided with a three-way valve 4, the three-way valve 4 comprises a first connecting end 41, a second connecting end 42, a third connecting end 43 and an adjusting valve 44, the first connecting end 41 is communicated with the exhaust pipe 11, so that a power source generated by the driving device 1 can only enter the first connecting end 41 of the three-way valve 4; the regulating valve 44 connects the first connecting end 41, the second connecting end 42 and the third connecting end 43, and can control the first connecting end 41 to be communicated with the second connecting end 42, or the first connecting end 41 to be communicated with the third connecting end 43; the inflation device 2 comprises a low-pressure pump 22 and a high-pressure pump 21, a second connecting end 42 is in pipeline connection with the low-pressure pump 22, an opening portion 31 is formed in the connecting pipe 3 in the thickness direction, a third connecting end 43 penetrates through the opening portion 31, the input end of the high-pressure pump 21 can be connected with the third connecting end 43, and the pressure pumps with different pressures can be switched by adjusting an adjusting valve 44 to adapt to different inflation environments.

Referring to fig. 2, 3 and 4, the outer wall of the three-way valve 4 is connected with a mounting assembly 5, the mounting assembly 5 includes a mounting sleeve 51 and a receiving ring plate 52, the mounting sleeve 51 is welded and fixed to the outer wall of the third connecting end 43, the input end of the high-pressure pump 21 is welded and fixed with a plugging ring plate 6, the outer wall of the plugging ring plate 6 is rotatably connected with two sealing rings 61 through torsion springs, the receiving ring plate 52 is provided with a yielding port 521 for the sealing rings 61 to be plugged, the plugging ring plate 6 can be plugged in the mounting sleeve 51, the sealing rings 61 are firstly rotated to be close to each other through the yielding port 521, and then reset, and the high-pressure pump 21 is rotated, so that the sealing rings 61 abut against the receiving ring plate 52, and the phenomenon that the high-pressure pump 21 is separated from the mounting sleeve 51 can be reduced.

Referring to fig. 3 and 4, the sealing ring 62 is integrally formed on the lower surface of the sealing ring 61, the upper surface of the receiving ring plate 52 is provided with a stabilizing groove 522 for the sealing ring 62 to be inserted into, and after the sealing ring 61 penetrates through the yielding opening 521 and rotates to a certain position, the sealing ring 62 is inserted into the stabilizing groove 522, so that the occurrence of a phenomenon that the sealing ring 61 is separated from the receiving ring plate 52 due to vibration of the high-pressure pump 21 or the low-pressure pump 22 is reduced in the subsequent air pump combination process, and the connection stability of the high-pressure pump 21 is further improved.

Referring to fig. 3 and 4, the inner wall of the mounting sleeve 51 is further provided with a connecting ring plate 53, the connecting ring plate 53 is located above the receiving ring plate 52, one end of the connecting ring plate 53, which is close to the receiving ring plate 52, is fixedly provided with a compression spring 531 through glue, the compression springs 531 are circumferentially arranged along the connecting ring plate 53, one ends of all the compression springs 531, which are far away from the connecting ring plate 53, are fixedly provided with a pressing ring plate 532 through glue, and after the sealing ring 61 penetrates through the position-giving opening 521 and rotates and abuts against the upper surface of the receiving ring plate 52, the pressing ring plate 532 can improve the tight connection between the sealing ring 61 and the receiving ring plate 52 under the action of the compression spring 531; the lower surface of the pressing ring plate 532 is fixed with a sealing ring 533 through glue, in the embodiment of the present application, the sealing ring 533 is a rubber ring, and the stability of the high-pressure pump 21 is further improved.

Referring to fig. 3, the outer wall of the mounting sleeve 51 is sleeved with a fastening sleeve 54, the inner wall of the fastening sleeve 54 is in threaded connection with the outer wall of the mounting sleeve 51, the outer wall of the inserting ring plate 6 is fixedly welded with a connecting sleeve 63, the outer diameter of the connecting sleeve 63 is the same as that of the mounting sleeve 51, and the fastening sleeve 54 can move along the length direction of the mounting sleeve 51 after rotating and is in threaded connection with the connecting sleeve 63, so that the connection tightness of the high-pressure pump 21 is further improved.

Referring to fig. 1, the outer wall of the fastening sleeve 54 is integrally formed with a dial 541 to facilitate adjustment of the fastening sleeve 54.

Referring to fig. 5, the lower end of the fastening sleeve 54 is hinged to a closing plate 543 through a connecting shaft, the closing plate 543 can be rotated to close the fastening sleeve 54, a magnetic element 5431 is embedded in one surface of the closing plate 543 attached to the end of the fastening sleeve 54, and an absorbing element 56 magnetically attracted to the magnetic element 5431 is embedded in the lower end of the fastening sleeve 54.

Referring to fig. 6 and 7, a receiving groove 55 is formed in the mounting sleeve 51 above the fastening sleeve 54, the receiving groove 55 is located in the connecting pipe 3, a connecting gear 551 is inserted into the receiving groove 55, the connecting gear 551 can rotate along the circumferential direction of the receiving groove 55, a driven gear 32 engaged with the connecting gear 551 is installed in the connecting pipe 3, a driven rod 33 is inserted through the axis of the driven gear 32, the lower end of the driven rod 33 is connected with the inner wall bearing of the connecting pipe 3, a driven worm 34 is integrally formed at the upper end of the driven rod 33, a turbine 35 engaged with the driven worm 34 is installed in the connecting pipe 3, the axis of the turbine 35 is rotatably connected with the inner wall of the connecting pipe 3 through a connecting shaft, and a connecting rack 36 is engaged with one side of the turbine 35 away from the driven worm 34; the adjusting valve 44 is bolted with an adjusting handle 45 for controlling the communication of the first connection end 41; the side wall of the adjusting handle 45 is fixedly connected with the connecting rack 36 through screws, and the connecting gear 551 is rotated, so that the connecting rack 36 can reciprocate up and down, the three-way valve 4 is adjusted, the occurrence of the phenomenon that the connecting pipe 3 needs to be detached when the high-pressure pump 21 and the low-pressure pump 22 are replaced is reduced, and the convenience in use of the combined air pump is improved.

Referring to fig. 6 and 7, an expansion link 7 is disposed between a lower surface of the connecting gear 551 and an upper surface of the fastening sleeve 54, one end of the expansion link 7 is welded and fixed to the lower surface of the connecting gear 551, the other end of the expansion link 7 is welded and fixed to the upper surface of the fastening sleeve 54, and the expansion link 7 is disposed along the length direction of the mounting sleeve 51, in the embodiment of the present application, 2 expansion links 7 are disposed, when the fastening sleeve 54 rotates to enable the fastening sleeve 54 to be in threaded connection with the connecting sleeve 63, the connecting gear 551 rotates to enable the adjusting handle 45 to adjust the adjusting valve 44, so that the first connecting end 41 is communicated with the third connecting end 43, and the high-pressure pump 21 can be used; when the fastening sleeve 54 is rotated to disengage the fastening sleeve 54 from the connection sleeve 63, the connection gear 551 is rotated to allow the adjustment knob 45 to communicate the first connection end 41 with the second connection end 42, so that the low-pressure pump 22 can be used and the high-pressure pump 21 can be detached.

The implementation principle of a combination air pump of the embodiment of the application is: when the low-pressure pump 22 is used, the fastening sleeve 54 is rotated, so that the telescopic rod 7 drives the connecting gear 551 to rotate, so that the driven gear 32 rotates, the driven rod 33 rotates, the driven worm 34 connected with the driven rod 33 rotates, and the worm wheel 35 rotates, and after the connecting rack 36 meshed with the worm wheel 35 moves, the adjusting handle 45 connects the first connecting end 41 with the second connecting end 42, so that the low-pressure pump 22 operates, and the third connecting end 43 is closed; when the high-pressure pump 21 needs to be switched, the inserting ring plate 6 of the high-pressure pump 21 is inserted into the mounting sleeve 51, the rotating rod 62 is rotated and inserted into the let opening 521, and then the high-pressure pump 21 is rotated, so that the stabilizing block 63 of the rotating rod 62 is inserted into the stabilizing groove 522, the connection stability of the high-pressure pump 21 is improved, the conversion of high and low pumps of a combined air pump is facilitated, and the practicability of the combined air pump is further improved.

The present embodiment is only for explaining the present application, and the present application is not limited thereto, and the above description is given by way of example, and the related workers can make various changes and modifications without departing from the technical spirit of the present application, so that: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a combination air pump, includes drive arrangement (1), exhaust tube (11) and aerating device (2), its characterized in that: the air charging device (2) comprises a high-pressure pump (21) and a low-pressure pump (22), a connecting pipe (3) is arranged at one end, away from the driving device (1), of the air exhaust pipe (11), a three-way valve (4) is arranged in the connecting pipe (3), the three-way valve (4) comprises an adjusting valve (44), a first connecting end (41), a second connecting end (42) and a third connecting end (43), the first connecting end (41) is communicated with the air exhaust pipe (11), the second connecting end (42) is communicated with the low-pressure pump (22), an opening (31) is formed in the connecting pipe (3), and the third connecting end (43) is inserted into the opening (31); the third connecting end is communicated with a high-pressure pump (21); one end of the exhaust pipe (11) far away from the driving device (1) is provided with a first connecting block (111), the connecting pipe (3) is provided with a second connecting block (30), a fixing screw (112) is inserted into the first connecting block (111), and the fixing screw is in threaded connection with the second connecting block (30).

2. A combination air pump according to claim 1, wherein: the third connecting end (43) is provided with a mounting assembly (5), the mounting assembly (5) comprises a mounting sleeve (51) and a bearing annular plate (52), the input end of the high-pressure pump (21) is provided with a plug-in annular plate (6), and the plug-in annular plate (6) can be inserted into the mounting sleeve (51); the outer wall of the inserting ring plate (6) is provided with at least one pair of sealing rings (61) in a rotating mode, and the bearing ring plate (52) is provided with a yielding opening (521) for the sealing rings (61) to be inserted.

3. A combination air pump according to claim 2, wherein: the lateral wall of sealing washer (61) is provided with sealing washer (62), firm groove (522) that supply sealing washer (62) to insert to establish are seted up on the surface of sealing washer (61), the lateral wall of sealing washer (62) and the mutual adaptation of the inner wall in firm groove (522).

4. A combination air pump according to claim 2, wherein: the inner wall of the mounting sleeve (51) is provided with a connecting ring plate (53), one side of the connecting ring plate (53) close to the bearing ring plate (52) is provided with a compression spring (531), one end of the compression spring (531) is connected with the bottom wall of the bearing ring plate (52), and the other end of the compression spring (531) is provided with a pressing ring plate (532).

5. A combination air pump according to claim 4, wherein: and a sealing ring (533) is arranged at one end of the pressing ring plate (532) far away from the compression spring (531).

6. A combination air pump according to claim 2, wherein: the outer wall of the mounting sleeve (51) is provided with a fastening sleeve (54), the fastening sleeve (54) is in threaded connection with the outer wall of the mounting pipe, the outer wall of the inserting ring plate (6) is provided with a connecting sleeve (63), the outer diameter of the connecting sleeve (63) is equal to that of the mounting sleeve (51), and the fastening sleeve (54) can be in threaded connection with the connecting sleeve (63).

7. The combination air pump according to claim 6, wherein: the outer wall of the fastening sleeve (54) is provided with a poking block (541).

8. A combination air pump according to claim 6, wherein: the outer wall of the mounting sleeve (51) is provided with an accommodating groove (55) along the circumferential direction, the accommodating groove (55) is located above the fastening sleeve (54), the accommodating groove (55) is located in the connecting pipe (3), a connecting gear (551) is arranged in the accommodating groove (55) in a rotating mode, the connecting gear (551) can rotate in the accommodating groove (55) in the circumferential direction, a driven gear (32) meshed with the connecting gear (551) is arranged in the connecting pipe (3), a driven rod (33) is inserted into the driven gear (32), one end of the driven rod (33) is connected with the inner wall of the connecting pipe (3) in a rotating mode, the other end of the driven rod (33) is provided with a driven worm (34), the side wall of the driven worm (34) is meshed with a turbine (35), the turbine (35) is connected with the inner wall of the connecting pipe (3) in a rotating mode through a connecting shaft, one end, far away from the driven worm (34), of the turbine (35) is meshed with a connecting rack (36), the adjusting handle (45) is fixed on the adjusting valve (44), and the adjusting handle (45) is connected with the connecting rack (36).

9. The combination air pump according to claim 8, wherein: the lower end of the connecting gear (551) is provided with a telescopic rod (7), and the other end of the telescopic rod (7) is connected with the upper end of the fastening sleeve (54).

10. The combination air pump according to claim 1, wherein: the lower extreme of fastening sleeve pipe (54) rotates and is connected with closing plate (543), thereby closing plate (543) rotate back can with fastening sleeve pipe (54) laminating make fastening sleeve pipe (54) closed, the one side of closing plate (543) and fastening sleeve pipe (54) laminating is provided with magnetic part (5431), fastening sleeve pipe (54) are provided with and inhale absorption piece (56) mutually with magnetic part (5431) magnetism.