Embedded electric pump

Abstract

The utility model discloses an embedded electric pump which comprises a bottom bowl and an air pump body. The bottom bowl is provided with the containing cavity with the upward opening, the air pump body is detachably installed in the containing cavity, so that the embedded type electric pump can be directly welded to products needing to be inflated such as an air bed and an air boat, the air pump body can also be detached, and the air pump body is independently used for inflating or deflating other products needing to be inflated. The air pump is suitable for two application scenes and has diversity, the air pump body is rotationally installed in the containing cavity, when the air suction end abuts against the valve in place along with rotation of the air pump body, the valve is opened, the air suction end is made to communicate with the air nozzle, and when the air outlet end abuts against the valve in place along with rotation of the air pump body, the valve is opened, the air outlet end is made to communicate with the air nozzle. And by means of the knob type design, switching is convenient for a user to use more separately, and popularization and application of the embedded type electric pump are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of electric pump, especially a buried electric pump. BACKGROUND

[0002] The micro air pump is a kind of gas conveying device with small size, gaseous working medium and multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure preservation, air extraction, air inflation and pressure increase.The micro vacuum air pump is divided into micro negative pressure pump, micro vacuum pump, micro gas circulation pump, micro air pump, micro gas sampling pump, micro air inflation pump, micro air extraction pump and micro air extraction and inflation dual-purpose pump.Compared with large vacuum pumps, the micro air pump has the following advantages: small size, low noise, low power consumption, easy operation, portability, maintenance-free, 24-hour continuous operation, and allows medium rich in water vapor.The most important thing is that it is dry and oil-free, so it does not need vacuum pump oil or lubricating oil, and it does not pollute the working medium and interfere with the analysis of the medium.Furthermore, it is much cheaper.

[0003] At present, most micro air pumps are either directly welded on products such as air beds and air boats that need to be inflated, allowing them to directly inflate or extract air from air beds or air boats, or used separately, for example, when a user needs to inflate or extract air from an air bed or air boat, the micro air pump needs to be carried on the body.As the micro air pump can only achieve one of the above functions, the application of the micro air pump lacks diversity, is not convenient to use, and thus is difficult to popularize and apply.Therefore, it is necessary to improve the existing micro air pump. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model mainly aims at the defects of prior art, and provides a buried electric pump, which can effectively solve the problems of lack of diversity in application, inconvenience in use and difficulty in popularization and application of the micro air pump.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A buried electric pump includes a bottom bowl and a gas pump body.An opening upward receiving cavity is formed in the bottom bowl, and a cover body that can open or close the receiving cavity is installed at the opening position of the receiving cavity.A window is formed in the cover body, and the window is in communication with the receiving cavity.The bottom bowl has a gas nozzle, and a valve is arranged in the gas nozzle.The gas pump body is detachably and rotatably installed in the receiving cavity, and the peripheral side surface of the gas pump body has a suction end and an air outlet end.When the suction end is in contact with the valve after the rotation of the gas pump body, the valve is opened, and the suction end is in communication with the gas nozzle.When the air outlet end is in contact with the valve after the rotation of the gas pump body, the valve is opened, and the air outlet end is in communication with the gas nozzle.

[0007] As a preferred solution, the bottom center of the receiving cavity is provided with a shaft column protruding upward, and the bottom center of the air pump body is provided with a shaft hole, wherein the shaft column is inserted into the shaft hole.

[0008] As a preferred solution, the inner circumferential surface of the receiving cavity is provided with a plurality of clamping hole arranged at intervals, the circumferential surface of the air pump body is provided with a clamping cavity, the clamping cavity is provided with a first elastic member, one end of the first elastic member is in elastic contact with the inner wall surface of the clamping cavity, the clamping cavity is provided with a clamping member, the clamping member is matched with the plurality of clamping holes, and the other end of the first elastic member is in elastic contact with the clamping member and partially protrudes out of the clamping cavity.

[0009] As a preferred solution, the bottom surface of the receiving cavity is provided with a plurality of limiting holes arranged at intervals, the bottom of the air pump body is provided with a limiting cavity, the limiting cavity is provided with a second elastic member, one end of the second elastic member is in elastic contact with the inner wall surface of the limiting cavity, the limiting cavity is provided with a limiting column, the limiting column is matched with the plurality of limiting holes, and the other end of the second elastic member is in elastic contact with the limiting column and partially protrudes out of the limiting cavity.

[0010] As a preferred solution, the cover is provided with a through slot, the upper end of the air pump body partially protrudes upward in the through slot, and the top surface of the air pump body is provided with a finger slot.

[0011] As a preferred solution, the top surface of the air pump body is hinged with a pull ring.

[0012] As a preferred solution, the cover is hinged at the opening position of the receiving cavity, the cover has a buckling part capable of being buckled with the bottom bowl and a fixing part capable of being fixed with the air pump body, when the buckling part is buckled with the bottom bowl, the cover closes the receiving cavity, and the fixing part is in abutment with the air pump body.

[0013] As a preferred solution, the valve comprises a third elastic member, a switch part and a valve part, the third elastic member is arranged in the air nozzle, one end of the third elastic member is in elastic contact with the inner wall surface of the air nozzle, the switch part is arranged in the air nozzle and partially protrudes into the receiving cavity, the valve part is arranged between the third elastic member and the switch part and in elastic contact with the other end of the third elastic member, and the valve part is controlled by the switch part to move; when the suction end is in abutment with the switch part and is pushed away from the receiving cavity along with the rotation of the air pump body, the valve part moves outward, the third elastic member is elastically compressed, and the air nozzle is in communication with the suction end; when the air outlet end is in abutment with the switch part and is pushed away from the receiving cavity along with the rotation of the air pump body, the valve part moves outward, the third elastic member is elastically compressed, and the air nozzle is in communication with the air outlet end.

[0014] As a preferred solution, the inner circumferential side of the receiving cavity is outwardly convex and inwardly concave, and the first cavity and the second cavity are formed on the inner circumferential side; when the air outlet end is in direct communication with the air nozzle, the air inlet end is in communication with the first cavity; and when the air inlet end is in direct communication with the air nozzle, the air outlet end is in communication with the second cavity.

[0015] As a preferred solution, the inner circumferential side of the receiving cavity is outwardly convex and inwardly concave, and the first cavity and the second cavity are formed on the inner circumferential side; when the air outlet end is in direct communication with the air nozzle, the air inlet end is in communication with the first cavity; and when the air inlet end is in direct communication with the air nozzle, the air outlet end is in communication with the second cavity.

[0016] As a preferred solution, the inner circumferential side of the receiving cavity is outwardly convex and inwardly concave, and the first cavity and the second cavity are formed on the inner circumferential side; when the air outlet end is in direct communication with the air nozzle, the air inlet end is in communication with the first cavity; and when the air inlet end is in direct communication with the air nozzle, the air outlet end is in communication with the second cavity.

[0017] The utility model discloses compared with prior art has obvious advantage and beneficial effect, specifically speaking, from above technical scheme can know:

[0018] The bottom bowl is provided with a receiving cavity with an upward opening. The air pump body is detachably installed in the receiving cavity. The embedded electric pump can be directly welded on the products, such as air beds and air boats, which need to be inflated. The air pump body can be detached and used alone to inflate or deflate other products that need to be inflated. The utility model is suitable for two application scenarios and has diversity. The air pump body is rotatably installed in the receiving cavity. When the air inlet end is in contact with the valve after the rotation of the air pump body, the valve is opened to connect the air inlet end with the air nozzle. When the air outlet end is in contact with the valve after the rotation of the air pump body, the valve is opened to connect the air outlet end with the air nozzle. The utility model realizes inflation and deflation. The rotary knob design is convenient for users to switch and is conducive to the promotion and application of the embedded electric pump.

[0019] To make the structure features and functions of the utility model clearer, the utility model will be described in detail below in combination with the drawings and specific embodiments. DRAWINGS

[0020] Figure 1 It is the assembly three-dimensional schematic diagram of the preferred embodiment of the utility model;

[0021] Figure 2 It is the exploded view of the preferred embodiment of the utility model;

[0022] Figure 3 It is the sectional view of the preferred embodiment of the utility model in the air exhaust mode;

[0023] Figure 4 It is the sectional view of the preferred embodiment of the utility model in the air exhaust mode from another angle;

[0024] Figure 5 It is the sectional view of the preferred embodiment of the utility model in the closed mode;

[0025] Figure 6is the cross section view of the preferred embodiment of the utility model under the inflation mode.

[0026] The drawing mark explanation:

[0027] 10, bottom bowl 101, storage cavity

[0028] 102, clamping hole 103, limiting hole

[0029] 104, first cavity 105, second cavity

[0030] 11, air nozzle 12, valve

[0031] 121, third elastic member 122, switch part

[0032] 123, valve part 13, shaft column

[0033] 14, limiting rib 20, air pump main body

[0034] 201, finger groove 202, pull ring

[0035] 21, suction end 22, air outlet end

[0036] 23, shaft hole 24, clamping cavity

[0037] 25, first elastic member 26, clamping member

[0038] 27, limiting cavity 28, second elastic member

[0039] 29, limiting column 30, cover body

[0040] 31, window 32, through slot

[0041] 33, buckling part 34, fixed part

[0042] 40, mouthpiece. Specific implementation

[0043] Please refer to Figures 1 to 6 It shows the specific structure of the preferred embodiment of the utility model, including bottom bowl 10 and air pump main body 20.

[0044] The bottom bowl 10 is provided with a receiving cavity 101 with an upward opening. A cover 30 is installed on the opening of the receiving cavity 101 and can open or close the receiving cavity 101. The cover 30 is provided with a window 31 which is in communication with the receiving cavity 101. The bottom bowl 10 is provided with an air nozzle 11 which is provided with a valve 12. In this embodiment, the bottom center of the receiving cavity 101 is provided with a shaft column 13. The inner circumferential side of the receiving cavity 101 is provided with a plurality of spaced-apart clamping holes 102. The bottom surface of the receiving cavity 101 is provided with a plurality of spaced-apart limiting holes 103. In addition, the cover 30 is provided with a through slot 32. The cover 30 is hinged on the opening of the receiving cavity 101. The cover 30 is provided with a buckling part 33 which can be buckled and fixed with the bottom bowl 10 and a fixing part 34 which can be fixed with the air pump body 20. When the buckling part 33 is buckled with the bottom bowl 10, the cover 30 closes the receiving cavity 101 and the fixing part 34 is in contact with the air pump body 20. The valve 12 comprises a third elastic member 121, a switch part 122 and a valve part 123. The third elastic member 121 is arranged in the air nozzle 11 and one end of the third elastic member 121 is in elastic contact with the inner wall of the air nozzle 11. The switch part 122 is arranged in the air nozzle 11 and partially extends into the receiving cavity 101. The valve part 123 is arranged between the third elastic member 121 and the switch part 122 and is in elastic contact with the other end of the third elastic member 121. The valve part 123 is controlled by the switch part 122. The inner circumferential side of the receiving cavity 101 is provided with a first cavity 104 and a second cavity 105. When the air suction end 21 is in communication with the air nozzle 11, the air outlet end 22 is in communication with the first cavity 104. When the air outlet end 22 is in communication with the air nozzle 11, the air suction end 21 is in communication with the second cavity 105. The inner circumferential side of the receiving cavity 101 is provided with a plurality of limiting ribs 14.

[0045] The air pump body 20 is detachably and rotatably installed in the receiving cavity 101, and the air pump body 20 has an air suction end 21 and an air outlet end 22 on the peripheral side surface thereof; when the air suction end 21 is in contact with the valve 12 after the rotation of the air pump body 20, the valve 12 is opened to make the air suction end 21 communicate with the air nozzle 11; when the air outlet end 22 is in contact with the valve 12 after the rotation of the air pump body 20, the valve 12 is opened to make the air outlet end 22 communicate with the air nozzle 11; in this embodiment, a shaft hole 23 is formed in the center of the bottom of the air pump body 20, and the shaft column 13 is inserted into the shaft hole 23; a clamping cavity 24 is formed in the peripheral side surface of the air pump body 20, and a first elastic member 25 is arranged in the clamping cavity 24, one end of the first elastic member 25 is in elastic contact with the inner wall surface of the clamping cavity 24, a clamping member 26 is arranged in the clamping cavity 24, the clamping member 26 is matched with a plurality of clamping holes 102, and the other end of the first elastic member 25 is in elastic contact with the clamping member 26 and partially extends out of the clamping cavity 24; a limiting cavity 27 is formed in the bottom of the air pump body 20, a second elastic member 28 is arranged in the limiting cavity 27, one end of the second elastic member 28 is in elastic contact with the inner wall surface of the limiting cavity 27, a limiting column 29 is arranged in the limiting cavity 27, the limiting column 29 is matched with a plurality of limiting holes 103, and the other end of the second elastic member 28 is in elastic contact with the limiting column 29 and partially extends out of the limiting cavity 27; in addition, the upper end of the air pump body 20 partially extends upwardly at the through slot 32, and a finger groove 201 is formed in the top surface of the air pump body 20; a pull ring 202 is hinged to the top surface of the air pump body 20; specifically, when the air suction end 21 is in contact with the switch part 122 after the rotation of the air pump body 20 and pushes the switch part 122 out of the receiving cavity 101, the valve part 123 moves outwardly, the third elastic member 121 is elastically compressed, and the air nozzle 11 communicates with the air suction end 21; when the air outlet end 22 is in contact with the switch part 122 after the rotation of the air pump body 20 and pushes the switch part 122 out of the receiving cavity 101, the valve part 123 moves outwardly, the third elastic member 121 is elastically compressed, and the air nozzle 11 communicates with the air outlet end 22.

[0046] Further, an air nozzle 40 matched with the air nozzle 11 is further included, and the air nozzle 40 is installed or not installed on the air nozzle 11 according to the actual use.

[0047] The working principle of this embodiment is described in detail as follows:

[0048] When the air suction mode of the embedded air pump is used, the user rotates the air pump body 20, the air suction end 21 is in contact with the switch part 122 and is pushed out of the storage cavity 101, the valve part 123 moves outward, the third elastic part 121 is elastically compressed, the air nozzle 11 is in communication with the air suction end 21, and the air outlet end 22 is close to the first cavity 104 and is in communication with the first cavity 104; when the air charging mode of the embedded air pump is used, the user rotates the air pump body 20, the air outlet end 22 is in contact with the switch part 122 and is pushed out of the storage cavity 101, the valve part 123 moves outward, the third elastic part 121 is elastically compressed, the air nozzle 11 is in communication with the air outlet end 22, and the air suction end 21 is close to the second cavity 105 and is in communication with the second cavity 105; when the embedded air pump is closed, the user rotates the air pump body 20, the air suction end 21 and the air outlet end 22 are not in contact with the valve 12, the valve 12 is closed, the air nozzle 12 is not in communication with the air pump body 20, and the air suction end 21 and the air outlet end 22 are not in communication with the first cavity 104 and the second cavity 105.

[0049] If the air pump body 20 needs to be used alone, the user only needs to open the cover 30 and pull the pull ring 202 by hand to detach the air pump body 20 from the storage cavity 101.

[0050] The utility model discloses a design emphasis lies in: the bottom bowl is provided with the storage cavity of the opening upwards, through detachable installation air pump body in the storage cavity, make embedded electric pump can directly fuse on the product such as air bed, air boat that need to inflate, also can detach air pump body, use air pump body alone to other need to inflate the product and inflate or deflate, applicable to two application scenes, have diversity, again cooperation air pump body rotatable installation in the storage cavity, when air suction end is in contact with the valve in place after the rotation of air pump body, the valve opens, make air suction end and air nozzle communicate, when air outlet end is in contact with the valve in place after the rotation of air pump body, the valve opens, make air outlet end and air nozzle communicate, realize inflation and deflation, and knob formula design, switch convenient user uses more respectively, be favorable to the popularization and application of embedded electric pump.

[0051] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model of the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. An embedded electric pump, characterized in that: The device includes a base bowl and an air pump body. The base bowl has an upward-facing storage cavity, and a cover that can be opened or closed is installed at the opening of the storage cavity. The cover has a window that communicates with the storage cavity. The base bowl has an air nozzle with a valve inside. The air pump body is detachably and rotatably installed in the storage cavity. The air pump body has an air intake end and an air outlet end on its peripheral side. When the air intake end comes into contact with the valve as the air pump body rotates, the valve opens, connecting the air intake end to the air nozzle. When the air outlet end comes into contact with the valve as the air pump body rotates, the valve opens, connecting the air outlet end to the air nozzle.

2. The embedded electric pump according to claim 1, characterized in that: The bottom center of the storage cavity is provided with an upward protruding shaft, and the bottom center of the air pump body is provided with a shaft hole, into which the aforementioned shaft is inserted.

3. The embedded electric pump according to claim 1, characterized in that: The inner circumferential side of the receiving cavity has multiple spaced locking holes that are convex and concave. The peripheral side of the air pump body has a locking cavity. A first elastic element is provided in the locking cavity. One end of the first elastic element is in elastic contact with the inner wall of the locking cavity. A locking member is provided in the locking cavity. The locking member is adapted to the multiple locking holes. The other end of the locking member is in elastic contact with the first elastic element and partially extends out of the locking cavity.

4. The embedded electric pump according to claim 3, characterized in that: The bottom surface of the storage cavity is recessed with a plurality of spaced limiting holes. The bottom of the air pump body is provided with a limiting cavity. A second elastic member is provided in the limiting cavity. One end of the second elastic member is in elastic contact with the inner wall of the limiting cavity. A limiting post is provided in the limiting cavity. The limiting post is adapted to the plurality of limiting holes. The limiting post is in elastic contact with the other end of the second elastic member and partially extends out of the limiting cavity.

5. The embedded electric pump according to claim 1, characterized in that: The cover has a through groove, the upper end of the air pump body extends upward from the through groove, and a finger groove is provided on the top surface of the air pump body.

6. The embedded electric pump according to claim 5, characterized in that: A pull ring is hinged to the top surface of the air pump body.

7. The embedded electric pump according to claim 1, characterized in that: The cover is hinged to the opening of the storage cavity. The cover has a fastening part that can be fastened to the bottom bowl and a fixing part that can be fixed to the air pump body. When the fastening part is fastened to the bottom bowl, the cover closes the storage cavity, and the fixing part is fixed to the air pump body.

8. The embedded electric pump according to claim 1, characterized in that: The valve includes a third elastic element, a switch part, and a valve part. The third elastic element is disposed inside the air nozzle, with one end in elastic contact with the inner wall of the air nozzle. The switch part is disposed inside the air nozzle and partially extends into the receiving cavity. The valve part is disposed between the third elastic element and the switch part and in elastic contact with the other end of the third elastic element. The valve part is controlled by the switch part. When the intake end rotates with the air pump body and contacts the switch part, pushing it out of the receiving cavity, the valve part moves outward, the third elastic element is elastically compressed, and the air nozzle connects to the intake end. When the outlet end rotates with the air pump body and contacts the switch part, pushing it out of the receiving cavity, the valve part moves outward, the third elastic element is elastically compressed, and the air nozzle connects to the outlet end.

9. The embedded electric pump according to claim 1, characterized in that: The inner circumferential side of the receiving cavity has a first cavity and a second cavity formed by outward convexity and inward concavity. When the air intake end is directly connected to the air nozzle, the air outlet end is connected to the first cavity; when the air outlet end is directly connected to the air nozzle, the air intake end is connected to the second cavity.

10. The embedded electric pump according to claim 1, characterized in that: Multiple limiting ribs extend inward from the inner circumferential side of the receiving cavity.

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