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CN-224200836-U - Dual-purpose air pump for inflation and air extraction

CN224200836UCN 224200836 UCN224200836 UCN 224200836UCN-224200836-U

Abstract

The utility model discloses an air pump for inflation and air suction, which comprises a pump body and a shell capable of being fixed on an inflatable product, wherein the upper end face and the lower end face of the pump body are respectively provided with an air outlet and an air inlet, the shell is provided with a containing cavity with a top opening, the bottom of the shell is provided with an air vent, the upper end and the lower end of the pump body can be inserted into the containing cavity so that the air outlet is communicated with the air vent or the air inlet is communicated with the air vent, the pump body can rotate in the containing cavity, the upper end of the pump body protrudes out of the upper end face of the shell after the containing cavity is inserted into the pump body, a fastening component is arranged between the shell and the pump body so that the pump body is fastened in the containing cavity, the lower end face of the pump body is provided with a power switch, the lower end of the shell is internally provided with a switch trigger piece which enables the power switch to be opened by rotating the pump body to a trigger position after the lower end of the pump body is inserted into the containing cavity, and rapid inflation connection and air suction connection assembly between the pump body and the shell is realized by the positive loading or negative loading of the pump body into the containing cavity of the shell, and a user can conveniently and rapidly and accurately determine the connection state of the pump body.

Inventors

  • LONG SHOUGUO

Assignees

  • 中山骏宏塑胶制品有限公司

Dates

Publication Date
20260505
Application Date
20250521

Claims (10)

  1. 1. The utility model provides an aerify and dual-purpose air pump of bleeding, including pump body (1) and shell (2) that can fix on the inflatable product, pump body (1) upper and lower both sides terminal surface is equipped with gas outlet (11) and air inlet (12) respectively, shell (2) have take open-top's holding chamber (21), shell (2) bottom is equipped with air vent (22), both ends about pump body (1) all can insert and establish in holding chamber (21) so that gas outlet (11) and air vent (22) communicate or make air inlet (12) and air vent (22) communicate, and pump body (1) can rotate in holding chamber (21), pump body (1) insert and establish pump body (1) upper end protrusion shell (2) up end behind holding chamber (21), be equipped with the lock joint subassembly between shell (2) and pump body (1) so that pump body (1) lock joint is in holding chamber (21), pump body (1) lower terminal surface is equipped with switch (4), inside be equipped with in pump body (1) lower extreme insert and establish behind holding chamber (21) and rotate (1) to make switch (23) open to trigger position through triggering switch (4).
  2. 2. The dual-purpose air pump for inflating and exhausting according to claim 1, wherein the buckling assembly comprises a plurality of shell buckles (31) which are arranged on the inner bottom surface of the shell (2) near the air vent (22) and extend inwards, pump body annular coamings (32) which are arranged around the air outlet (11) and the air inlet (12) and extend outwards are respectively arranged on the upper end surface and the lower end surface of the pump body (1), and clamping grooves (33) which are buckled with the shell buckles (31) in a matched mode are formed in the outer side surface of the pump body annular coamings (32).
  3. 3. The dual-purpose air pump for inflation and deflation according to claim 2, wherein the shell buckles (31) are uniformly arranged along the circumferential direction of the air vents (22), an arc-shaped inward extending positioning lug (34) is arranged between the two shell buckles (31) on the inner bottom surface of the shell (2), an inward extending shell annular surrounding plate (35) which is arranged around the air vents (22) is arranged between the shell buckles (31) and the air vents (22) on the inner bottom surface of the shell (2), and a slot for inserting the pump body annular surrounding plate (32) is formed between the shell buckles (31), the positioning lug (34) and the shell annular surrounding plate (35).
  4. 4. The dual-purpose air pump for inflating and exhausting according to claim 3, wherein a limiting support (24) is arranged at the bottom of the shell (2) and positioned in the air vent (22), a limiting sliding hole (25) is arranged on the limiting support (24), a valve core (5) which can slide in the limiting sliding hole (25) and can seal the air vent (22) is arranged at the bottom of the shell (2), a pushing piece (13) which is arranged in the air inlet (12) and used for pushing the valve core (5) outwards after a containing cavity (21) is inserted into the lower end of the pump body (1) is arranged at the lower end of the pump body (1) so that the air inlet (12) is communicated with the air vent (22).
  5. 5. The dual-purpose air pump for inflating and exhausting according to claim 4, wherein the valve core (5) comprises a connecting frame (51) arranged on the lower end face of the air vent (22), the lower end of the connecting frame (51) is connected with a closed stop block (52) for closing the air vent (22), the upper end of the connecting frame (51) is connected with a sliding rod (53) penetrating through the limiting sliding hole (25) and the upper end of the sliding rod (53) is contacted with the pushing piece (13) and can slide in the limiting sliding hole (25), and the upper end of the sliding rod (53) is provided with a limiting boss piece (54) with an outer side face extending outwards to prevent the sliding rod (53) from being separated from the limiting sliding hole (25).
  6. 6. The dual-purpose air pump for inflating and deflating according to claim 5, wherein a connecting frame through hole (55) is formed in the middle of the connecting frame (51), connecting frame protruding blocks (56) extending upwards and sliding rod connecting bayonets (57) arranged between the two side edges of the connecting frame protruding blocks (56) are respectively arranged on two sides of the middle of the upper end face of the connecting frame (51), sliding rod connecting bosses (58) extending downwards are arranged on the lower end face of the limiting boss piece (54), sliding rod connecting buckles (59) matched with the sliding rod connecting bayonets (57) are respectively arranged on two sides of the lower end face of the sliding rod connecting bosses (58), sliding rods (53) are formed by the connecting frame protruding blocks (56), the sliding rod connecting buckles (59) and the sliding rod connecting bosses (58), stop connecting rods (510) penetrating through the connecting frame through holes (55) are arranged on the upper end faces of the stop connecting rods (510), and connecting rod limiting protruding blocks (511) matched with the connecting frame through holes (55) are arranged on the outer side faces of the upper ends of the stop connecting rods (510).
  7. 7. The dual-purpose air pump for inflating and deflating according to claim 4, wherein the bottom of the shell (2) is provided with a protecting frame (26) at the outer side of the valve core (5), and the pushing piece (13) comprises two pushing rods (131) which are transversely arranged in the air vent (22) at intervals.
  8. 8. The dual-purpose air pump for inflating and deflating according to claim 1, wherein the power switch (4) comprises a micro switch (41) arranged in the pump body (1) and with a pressing end arranged downwards, and a button connecting rod (42) which can slide in the pump body (1) and with an upper end contacted with the pressing end of the micro switch (41) and a lower end extending out of the lower end face of the pump body (1), the switch triggering piece (23) is a switch triggering protrusion arranged on the inner bottom surface of the shell (2) and protruding upwards, and a guide inclined surface (231) for guiding the button connecting rod (42) to press the pressing end of the micro switch (41) when the pump body (1) rotates relative to the shell (2) is arranged on the switch triggering protrusion.
  9. 9. The dual-purpose air pump for inflating and exhausting according to claim 1, wherein the pump body (1) comprises a pump shell (14), an air channel (15) which is used for communicating an air inlet (12) with an air outlet (11) is arranged in the pump shell (14), a circuit board (16), a motor (17) and an impeller (18) are sequentially arranged between the air inlet (12) and the air outlet (11) in the air channel (15), the circuit board (16) is respectively electrically connected with the motor (17) and the power switch (4), a rotating shaft of the motor (17) is connected with the impeller (18), a rechargeable battery (19) which is electrically connected with the circuit board (16) is arranged in the pump shell (14), and a charging interface (110) which is electrically connected with the circuit board (16) is arranged on the lateral surface of the outer side of the pump shell (14).
  10. 10. The dual-purpose air pump for inflation and deflation according to claim 1, further comprising a connecting nozzle (6) capable of being connected with an inflation product, wherein the air outlet (11) and the air inlet (12) of the pump body (1) can be respectively connected with the connecting nozzle (6).

Description

Dual-purpose air pump for inflation and air extraction [ Technical field ] The utility model relates to the technical field of electric air pumps, in particular to an air pump for inflating and exhausting. [ Background Art ] Inflatable products (including inflatable beds, inflatable swimming pools, inflatable boats, inflatable toys and the like) are increasingly popular with people due to the advantages of light weight, small size, portability and the like. In order to realize the quick inflation of the inflatable product, the inflatable product can be inflated by the air pump, and meanwhile, in order to realize quick air suction, the inflatable product with a large part can be inflated by the air pump in an auxiliary way. In the existing air pump structure, part of the air pump structure is combined with an inflatable product into a whole, the air pump structure can only be used for inflation, has a single function, and has the functions of inflation and air extraction, but an inflation opening and an air extraction opening in the air pump structure are generally arranged on the same end face, and the pump body and the external structure are rotated relatively by rotating the pump body, so that the inflation opening or the air extraction opening is communicated with an air outlet of the inflatable product to realize inflation and air extraction, and a user is difficult to quickly know that the pump body rotates to an inflation connection state or an air extraction connection state under the condition that the inflatable product is large, and the air pump structure is inconvenient to distinguish and use. [ Summary of the utility model ] The utility model overcomes the defects of the prior art, and provides the dual-purpose air pump for inflation and air extraction, which realizes inflation connection and air extraction connection by the forward loading or reverse loading of the pump body into the shell. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a dual-purpose air pump of aerifing and bleeding, characterized by includes the pump body and can fix the shell on the inflatable product, the upper and lower both sides terminal surface of pump body is equipped with gas outlet and air inlet respectively, the shell has the accommodation chamber of taking open-top, the shell bottom is equipped with the air vent, the upper and lower both ends of pump body all can insert and establish in the accommodation chamber in order to make gas outlet and air vent intercommunication or make air inlet and air vent intercommunication, and the pump body can rotate in the accommodation chamber, the pump body inserts behind the accommodation chamber pump body upper end protrusion shell up end, be equipped with the lock joint subassembly between shell and the pump body in order to make the pump body lock joint in the accommodation chamber, the terminal surface is equipped with switch under the pump body, the inside switch trigger piece that is equipped with and makes switch open through rotating the pump body to the trigger position after the pump body lower extreme inserts and establishes in the accommodation chamber. The dual-purpose air pump for inflation and air extraction is characterized in that the buckling assembly comprises a plurality of shell buckles which are arranged on the inner bottom surface of the shell, close to the air vent, and extend inwards, the upper end surface and the lower end surface of the pump body are respectively provided with a pump body annular coaming which is arranged around the air outlet and the air inlet and extends outwards, and the outer side surface of the pump body annular coaming is provided with a clamping groove which is buckled with the shell in a buckling fit manner. The dual-purpose air pump for inflation and air extraction is characterized in that the shell buckles are uniformly arranged along the circumferential direction of the air vent, an arc-shaped inward extending positioning lug is arranged between the two shell buckles on the inner bottom surface of the shell, an inward extending shell annular coaming arranged around the air vent is arranged between the shell buckles and the air vent on the inner bottom surface of the shell, and a slot for the pump body annular coaming to be inserted is formed among the shell buckles, the positioning lug and the shell annular coaming. The dual-purpose air pump for inflating and exhausting is characterized in that a limiting support is arranged at the bottom of the shell and positioned in the air vent, a limiting sliding hole is formed in the limiting support, a valve core which can slide in the limiting sliding hole and can seal the air vent is arranged at the bottom of the shell, a pushing piece which is used for pushing the valve core outwards after a containing cavity is inserted into the lower end of the pump body is arranged in the air inlet at the lower