CN201050491Y - Built-in type electric air pump for air cushion bed - Google Patents
Built-in type electric air pump for air cushion bed Download PDFInfo
- Publication number
- CN201050491Y CN201050491Y CNU2007200519220U CN200720051922U CN201050491Y CN 201050491 Y CN201050491 Y CN 201050491Y CN U2007200519220 U CNU2007200519220 U CN U2007200519220U CN 200720051922 U CN200720051922 U CN 200720051922U CN 201050491 Y CN201050491 Y CN 201050491Y
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- China
- Prior art keywords
- air
- valve
- shell
- selector valve
- built
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/50—Fluid-guiding means, e.g. diffusers adjustable for reversing fluid flow
- F04D29/503—Fluid-guiding means, e.g. diffusers adjustable for reversing fluid flow especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Check Valves (AREA)
Abstract
The utility model provides an air bed used embedded electric air pump, which is an electric air pump possessing air charging and discharging functions applicable for the charging the air bed. The utility model includes a casing; a motor and the like are arranged in the inner side of the casing. A switch box and an upper cover are arranged on the upside of the casing, an air valve is arranged on the underside of the casing. Two cavities are arranged in the casing, and are communicated with each other through an air inlet or and air outlet. A sealing air valve and an air passage switching mechanism are respectively arranged in the cavities. The upper helicoid of a reversing valve in the air passage switching mechanism corresponds with the upper helicoids on the casing of the reversing valve, and is connected on the inner circle of the reversing valve body; the casing of the reversing valve can do reciprocating direct motion along the inner circle of the reversing valve body. At least two symmetrically arrayed convex reinforcements are arranged on the outer circumference of the casing of the reversing valve, matching with two grooves on the inner circumference of the body of the reversing valve, so that the casing of the reversing valve is enabled to do linear motion along the inner wall of the body of the reversing valve. The sealing air valve consists of an air valve spring, an air valve seat, an air valve rod, a sealing piece and an air valve net cover; the sealing can protect the air bed from leaking when being charged with air. The utility model can charge the air bed with air, and can discharge the air bed constrainedly, thereby has double anti-leakage effect.
Description
Technical field
The utility model relates to electric air pump, particularly is applicable to the tool inflation that the gas-filled type air bed uses and the electric air pump of degassing function.
Background technique
At present, various gas-filled type air beds have appearred on the market, these air beds generally all use electric air pump to inflate, wherein a kind of electric air pump is by heat seal or bonding mode is built-in is installed on the air bed, but many in line inflations of employing of this built-in electric air pump or venting, the leak resistance of air pump is lower, and the air bed after the inflation is more easily lost heart, and influences using effect.
Summary of the invention
At above-mentioned technical problem, the utility model provides a kind of and both can inflate air bed, can carry out mandatory exhaust to air bed when needed again, and has the built-in electric air pump that the air bed of double leak-proof effect is used.
The utility model comprises a shell, the shell inside portion is provided with motor etc., and shell upper is provided with switch capsule and loam cake, outer casing underpart is provided with air valve, it is characterized in that: be provided with two cavitys in the shell, be connected by suction port or relief opening between the cavity, be respectively arranged with in the cavity:
Sealing air valve: form by spring for valve, air valve seat, air valve stem, diaphragm seal, air valve guard;
Air channel shifting mechanism: form by knob, cover, selector valve screw rod, selector valve valve body, selector valve shell, taper Returnning spring.
Selector valve valve body described in the shifting mechanism of above-mentioned described air channel has at least one suction port and at least one relief opening, and inner circumference is provided with two symmetrical distribution direction recess.
Selector valve shell described in the shifting mechanism of above-mentioned described air channel has at least one suction port and at least one relief opening, and suction port and relief opening are isolated mutually.The excircle of its shell is provided with two and the corresponding convex tendon of direction recess, and described cover top portion is a zigzag shape end face.
Suction port on loam cake described in the utility model and the cover is a threaded joint, is provided with seal ring between loam cake and the cover, and the mating face between cover and the shell is provided with seal ring.
Described in the shifting mechanism of air channel described in the utility model on the selector valve screw rod helicoid corresponding with helicoid on the selector valve shell, and butt up against on the interior circle of selector valve valve body, the selector valve shell can do to come and go first motion along the interior circle of selector valve valve body; Selector valve shell excircle is provided with the convex tendon of at least two symmetrical distributions and matches with two grooves on the selector valve valve body inner circumference, makes the selector valve shell along selector valve valve body inwall moving linearly.
Adopt technique scheme,, realize inflation, exhaust process by suction port, relief opening between the cavity owing in the shell two independently cavitys are set.
Helicoid is corresponding with helicoid on the selector valve shell on the selector valve screw rod, and butt up against on the interior circle of selector valve valve body, make the selector valve shell do to come and go first motion along the interior circle of selector valve valve body, thereby suction port or relief opening on the selector valve shell are communicated with another cavity respectively, and gas can discharge or charge into gas by the drive of fan blade in another cavity.
Spring for valve, air valve seat, air valve stem, diaphragm seal, air valve guard form the sealing air valve, can protect air bed can not reveal after being full of gas preferably, form the first heavy drip-preventing function of air pump; And the suction port on loam cake and the cover is a threaded joint, and the mating face between loam cake and the cover, between cover and the shell is equipped with seal ring, forms the second heavy drip-preventing function of air pump; Therefore improve leak preventing effect of the present utility model greatly, reached the effect of double leak-proof.
The utility model both can be inflated air bed, can carry out mandatory exhaust to air bed again, and it is simple, convenient.
Description of drawings
Fig. 1 is the utility model structural representation (overlooking);
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is a decomposing schematic representation of the present utility model;
Fig. 5 is the utility model structural representation (inflated condition);
Fig. 6 is the A-A sectional view of Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 5;
Fig. 8 is the utility model structural representation (inflation finishes);
Fig. 9 is the utility model structural representation (exhaust condition);
Figure 10 is the B-B sectional view of Fig. 9;
Figure 11 is the structural representation of selector valve valve body described in the utility model (11);
Figure 12 is the structural representation of selector valve shell described in the utility model (12);
Figure 13 is the structural representation of selector valve screw rod described in the utility model (9).
Embodiment
Shown in Fig. 1,2,3,4, the built-in electric air pump that a kind of air bed is used comprises a shell 35, be provided with two cavitys in the shell, be provided with motor (28) in the cavity, motor lower portion is connected to base 31 and fan blade 33, and another cavity top is provided with switch capsule 18,21, also is connected to loam cake 4 and cover 8 on it respectively, be provided with seal ring 5 between the two, also be provided with sealing between cover 8 and the shell 35 and go over 4; The cover bottom is connected to selector valve, selector valve is made up of knob 6, selector valve screw rod 9, selector valve shell 11, selector valve valve body 13, selector valve valve body 13 bottoms are connected to sealing paste 13, seal ring 15, Returnning spring 16, the cavity bottom is provided with air valve, and air valve comprises air valve seat 39, spring 38, air valve stem 40, diaphragm seal 41, air valve guard 42.Two cavitys in the shell 35 are connected by suction port 51 or relief opening 62.
Air channel switching mechanism in the shell 35 is made up of knob, cover, selector valve screw rod 9, selector valve shell 11, selector valve valve body 13.
Sealing air valve in the shell 35 is made up of spring 38, air valve seat 39, air valve stem 40, sealing paste 41, air valve guard 42.
Shown in Fig. 5,6,7, during inflation, air enters from the suction port 71 of cover 8, suction port 51 by selector valve shell 11 enters the air compression air channel of being made up of air pump base 31, shell 35, and air compresses after 39 pairs of air beds of the air valve mouth 81 of shell 35 and air valve seat are inflated by fan blade 33 in compressed air passage.
As shown in Figure 8, behind the air bed gassy, but disable motor.This moment is the air valve mouth 81 and the air valve seat 39 of pressurized air process shell 35 never again, because the rebound effect of spring for valve 38, under the dragging of air valve stem 40, when inflation, be compressed the diaphragm seal 41 past air valve seat 39 directions motions that air blows open, up to being close to fully with air valve seat 39, finish sealing, thereby formed the first heavy leakproof barrier in the enclosure.Then knob loam cake 4 is screwed in the suction port 71 of covers 8, loam cake seal ring 5 tightly is pressed on the cover 8, formed the second heavy leakproof barrier until knob loam cake 4.
Shown in Fig. 9,10, when the mattress bed needs exhaust, the suction port 71 of knob loam cake 4 from cover 8 screwed out, knob 6 turns clockwise, knob 6 drives selector valve screw rod 9 and rotates simultaneously, impel selector valve valve body 13 (as shown in figure 11) in selector valve shell 11 (as shown in figure 12), to travel forward as straight line, pillar in the middle of the selector valve valve body 13 touches mutually with air valve stem 40 and air valve stem 40 is promoted forward, the diaphragm seal 41 that links to each other with air valve stem 40 is separated from air valve seat 39, and this moment, air outwards discharged.
Because selector valve valve body 13 travels forward.The suction port 61 of selector valve valve body 13 is connected with the relief opening 52 of selector valve shell 11, and the relief opening 62 of selector valve valve body 13 is connected with the compressed air passage air outlet of being made up of air pump seat 31 and shell 35.After simultaneously 9 (as shown in figure 13) of selector valve screw rod turned to terminal point, the high-end position of selector valve screw rod 9 was airtight with the suction port 51 of selector valve shell 11, forms airtight cavity.
When needs during to the air bed forced exhaust, starting electrical machinery, getter action because of fan blade 33, air in the air bed can be rapidly from air valve base 39, through the suction port 61 of selector valve valve body 13, the relief opening 52 of selector valve shell 11, the compressed air passage of forming via air pump base 31 and shell 35 again enters selector valve shell 11 backs from the relief opening 62 of selector valve valve body 13 then and discharges from the suction ports 71 of cover 8, realizes mandatory exhaust.
Motor described in the utility model is connected with external control power supply, can connect line traffic control switch, panel-switch, fixedly connected power line, plug connection power line etc.
Claims (10)
1. built-in electric air pump that air bed is used, comprise a shell (35), the shell inside portion is provided with motor (28) etc., shell upper is provided with switch capsule (18) and loam cake (4), outer casing underpart is provided with air valve, it is characterized in that: be provided with two cavitys in the shell (35), be connected by suction port (51) or relief opening (62) between the cavity, be respectively arranged with in the cavity:
Sealing air valve: form by spring for valve (38), air valve seat (3), air valve stem (40), diaphragm seal (41), air valve guard (42);
Air channel shifting mechanism: form by knob (6), cover (8), selector valve screw rod (9), selector valve shell (11), selector valve valve body (13), taper Returnning spring (16).
2. the built-in electric air pump that a kind of air bed according to claim 1 is used, it is characterized in that: the selector valve shell (11) described in the shifting mechanism of described air channel has at least one suction port (51) and at least one relief opening (52), and inner circumference is provided with two symmetrical distribution direction recess (53).
3. the built-in electric air pump that a kind of air bed according to claim 2 is used is characterized in that: described selector valve shell (11) has two suction ports (51) and two relief openings (52).
4. the built-in electric air pump that a kind of air bed according to claim 1 is used, it is characterized in that: the selector valve valve body (13) described in the shifting mechanism of described air channel has at least one suction port (61) and at least one relief opening (62), and suction port (61) is isolated mutually with relief opening (62).The excircle of its valve body (13) is provided with two and the corresponding convex tendon of direction recess (53) (63), and described cover top portion is a zigzag shape end face.
5. the built-in electric air pump that a kind of air bed according to claim 4 is used is characterized in that: described selector valve valve body (13) has two suction ports (61) and two relief openings (62).
6. the built-in electric air pump that a kind of air bed according to claim 1 is used, it is characterized in that: the suction port (71) on described loam cake (4) and the cover (8) is threaded joint, be provided with seal ring (5) between loam cake (4) and the cover (8), the mating face between cover (8) and the shell (35) is provided with seal ring (34).
7. the built-in electric air pump that a kind of air bed according to claim 1 is used, it is characterized in that: selector valve screw rod (9) described in the shifting mechanism of described air channel is gone up helicoid, and upward helicoid is corresponding with selector valve valve body (13), and butt up against on the interior circle of selector valve shell (11), selector valve valve body (13) can do to come and go first motion along the interior circle of selector valve shell (11); Selector valve valve body (13) excircle is provided with the convex tendon (63) of at least two symmetrical distributions and matches with two grooves (53) on selector valve shell (11) inner circumference, makes selector valve valve body (13) along selector valve shell (11) inwall moving linearly.
8. the built-in electric air pump that a kind of air bed according to claim 1 is used is characterized in that: the air valve mouth (81) of the suction port (71) of described cover (8), the suction port (51) of selector valve shell (11), air pump base (31) and shell (35), air valve seat (39) and selector valve valve body (13) form the inflation air channel.
9. the built-in electric air pump that a kind of air bed according to claim 1 is used is characterized in that: the relief opening (62) of the suction port (61) of shell (35), air valve mouth (81), air valve seat (39), selector valve valve body (13), the relief opening (52) of selector valve shell (11), air pump seat (31), selector valve valve body (13), the suction port (71) of cover (8) form wind output channel.
10. the built-in electric air pump that a kind of air bed according to claim 1 is used is characterized in that: described cover (8) is connected with airbed with heat seal, bonding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200519220U CN201050491Y (en) | 2007-05-25 | 2007-05-25 | Built-in type electric air pump for air cushion bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200519220U CN201050491Y (en) | 2007-05-25 | 2007-05-25 | Built-in type electric air pump for air cushion bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050491Y true CN201050491Y (en) | 2008-04-23 |
Family
ID=39336978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200519220U Expired - Fee Related CN201050491Y (en) | 2007-05-25 | 2007-05-25 | Built-in type electric air pump for air cushion bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050491Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022898A1 (en) * | 2009-08-25 | 2011-03-03 | 东莞市浩瀚商贸有限公司 | Inflatable and deflatable air pump |
| US8641391B2 (en) | 2009-12-29 | 2014-02-04 | Foshan Shunde Xinshengyuan Electrical Appliances Co., Ltd | Built-in electric air pump for use in inflatable products |
| WO2019102443A1 (en) * | 2017-11-27 | 2019-05-31 | Intex Industries Xiamen Co. Ltd. | Manual inflation and deflation adjustment structure of a pump |
| US11668310B2 (en) | 2017-11-15 | 2023-06-06 | Intex Marketing Ltd. | Multichannel air pump |
-
2007
- 2007-05-25 CN CNU2007200519220U patent/CN201050491Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011022898A1 (en) * | 2009-08-25 | 2011-03-03 | 东莞市浩瀚商贸有限公司 | Inflatable and deflatable air pump |
| US8641391B2 (en) | 2009-12-29 | 2014-02-04 | Foshan Shunde Xinshengyuan Electrical Appliances Co., Ltd | Built-in electric air pump for use in inflatable products |
| US11668310B2 (en) | 2017-11-15 | 2023-06-06 | Intex Marketing Ltd. | Multichannel air pump |
| WO2019102443A1 (en) * | 2017-11-27 | 2019-05-31 | Intex Industries Xiamen Co. Ltd. | Manual inflation and deflation adjustment structure of a pump |
| US11549514B2 (en) | 2017-11-27 | 2023-01-10 | Intex Marketing Ltd. | Manual inflation and deflation adjustment structure for a pump |
| US11913462B2 (en) | 2017-11-27 | 2024-02-27 | Intex Marketing Ltd. | Manual inflation and deflation adjustment structure for a pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20130525 |