CN2450405Y

CN2450405Y - Two-way inflating pump

Info

Publication number: CN2450405Y
Application number: CN 00255072
Authority: CN
Inventors: 蔡龙波
Original assignee: Hongzhu Industry Co ltd
Current assignee: Dongguan Hubang Hardware & Plastic Product Co., Ltd.
Priority date: 2000-09-27
Filing date: 2000-09-27
Publication date: 2001-09-26
Anticipated expiration: 2010-09-27

Abstract

The utility model relates to a two-direction inflating pump which is provided with a piston in a cylindrical body. An upper cover is arranged above the body, and the center of the upper cover is penetrated in an actuating pipe. An inner pipe is penetrated in the actuating pipe, and the upper end of the actuating pipe is combined with a slide preventing grip. The lower end of the actuating pipe is combined with the piston, and the inner part of the piston is provided with an air intake and conducting chamber communicated with the inner pipe, an air outlet and conducting chamber communicated with a space between the outer side of the inner pipe and the inner side of the actuating pipe, and a one-way valve port. Both sides of the grip are provided with an air intake and an air outlet, L-shaped gaps with high tightness which are convenient for a corrugated pipe joint to be locked in and taken out are arranged on the air intake and the air outlet, and the L-shaped gaps are not easy to shed. The utility model can inflate in two directions, and can be operated according to user's habits.

Description

The bidirectional inflating pump

The utility model relates to a kind of bidirectional inflating pump, it be a kind of user of allowing with handling, and can push away, when drawing handle, continue to inflate or the gas-filled pump of the action of bleeding.

Quite a lot of by the manual gas-filled pump kind of user, wherein most typical traditional type structure promptly is used for gas-filled pump that bicycle tyre is inflated as common people.This kind gas-filled pump has the body of a tubular, is assembled with a piston by the operating bar operation in body, and is provided with the handle for user's handling in the operating bar top, extends a gas tube in the body lower end, is provided with piston in the appropriate location of body in addition.When user's pull-up handle, air can enter the piston below of body inboard, and when the user presses down handle, then can the air in the body be pushed in the gas tube by piston, and the effect of a inflation is provided.The gas-filled pump of this kind traditional type is unidirectional gas-filled pump, that is it is merely able to have single stroke that aeration is provided, so its utilization efficiency is not good in the upper and lower mobile round trip of piston.

Once saw another kind of more progressive gas-filled pump on the market, it can push away, draw at handle all inflates action in the two-way travel, and can improve utilization efficiency.Shown in Fig. 6,7, this kind bidirectional inflating pump structure is to pipe 72 in is set at a tubular body 70 inner shafts, in this, be provided with an one-way valve 74 in the pipe 72, air in making in the pipe 72 can only be from lower to upper, and can not be from top to bottom, and pipe 72 lower ends be formed with the pore 76 that is conducted with body 70 inner spaces in this.Be assembled with a loam cake 80 on body 70 tops, be provided with an air outlet 82 in these loam cake 80 1 sides, and be provided with an air guide chamber 84 in loam cake 80 bottom surfaces, these 84 bottom surfaces, air guide chamber are provided with an air guide port 86 that is connected with pipe 72 upper ends in the body 70 and one and the check-valve port 88 that is conducted of body 70 inner spaces, 88 of this check-valve port allow that the air in the body 70 enters in the air guide chamber 84, and do not allow that the air in the air guide chamber 84 enters in the body 70.In addition, this air outlet 82 above this loam cake 80 is conducted with above-mentioned air guide chamber 84, and can allow the air in the body 70 be derived by this air outlet 82.Certainly, also can be connected gas tube in these 82 positions, air outlet, and the air that gas-filled pump is sent is transferred to the appropriate location;

These loam cake 80 central authorities are equipped with an actuator 90, these actuator 90 lower ends are combined with the piston 92 that an external diameter matches with body 70 internal diameters, this piston 92 is provided with a perforation 93 that can be set on the interior pipe 72, be provided with an air guide chamber 94 in these piston 92 inboards, and be respectively equipped with a check-valve port 95,96 that the air in the air guide chamber 94 can be imported in the body 70 on the upper and lower surface of this piston 92.In addition, this air guide chamber 94 is conducted with actuator 90 lower ends again, is provided with handle 98 in the upper end of this actuator 90, and is formed with a suction port 99 in handle 98 1 sides.

Can drive piston 92 when the user draws on handle 98 in use moves in body 70.At this moment, the air above piston 92 can enter air guide chamber 84 via air guide chamber 84 check-valve port 88 of loam cake 80, and is sent via air outlet 82.Simultaneously, the air in the external world then enters in the actuator 90 via suction port 99, is entered in the body 70 of piston 92 belows by the check-valve port 96 of piston 92 lower surfaces via the air guide chamber 94 of piston 92 inboards again.Can drive piston 92 when the user presses down handle 98 moves down in body 70.At this moment, pipe 72 in the air below piston 92 can enter via pore 76, and enter in the air guide chamber 84 of loam cake 80, be sent via air outlet 82 again.Simultaneously, the air in the external world then enters in the actuator 90 via suction port 99, is entered in the body 70 of piston 92 tops by the check-valve port 95 of piston 92 upper surfaces via the air guide chamber 94 of piston 92 inboards again.By above-mentioned repeatable operation, and can reach the effect of bidirectional inflating, its unidirectional gas-filled pump than traditional type has more utilization efficiency.

Yet, in practice, but find, above-mentioned bidirectional inflating pump is also inconvenient in the use, because piston 92 that is arranged so that of pipe 72 is provided with a perforation 93 that supplies interior pipe 72 to pass in it, like this, make piston 92 when assembling, singly will not note the airtight effect of its outer rim and body 70 inwalls, also must be noted that simultaneously the airtight effect of 72 of its perforation 93 and interior pipes, that is on piston 92, promptly have position, two places airtight bad problem may take place, it all has negative effect in quality control and maintaining in the future.

In addition, on common people's use habit, often can not notice the relative position between handle and body, because when traditional unidirectional gas-filled pump uses, the welcome rotation handle of user, with the application of force direction of selecting oneself to like, but above-mentioned bidirectional inflating pump in use, the relative angle that its handle 98 and body are 70 is fixed, because its piston 92 with bore a hole 93 be set in the pipe 72 on, so its piston 92 can't rotate in body 70 inboards, and actuator 90 lower ends combine with piston 92 and are one, and actuator 90 upper ends combine with handle 98 and are one, make its handle 98 natures to rotate, its use habit with the general user is different, also might brute force rotate handle 98 and cause the gas-filled pump internal structure to damage because the user does not pay attention to.Obviously, this is this bidirectional inflating pump not most perfect problem that causes on structural design.

Main purpose of the present utility model is, a kind of bidirectional inflating pump is provided, it can allow the user not have the restriction of handle angle when operation, simultaneously between the handle push-and-pull, all can carry out aeration, and allow whole use more smoothly, and be difficult for causing the gas-filled pump internal structure to damage because rotate handle accidentally.

The technical solution of the utility model is: a kind of bidirectional inflating pump is provided, and it has a tubular body, is provided with piston in body, above the tubular body, be provided with loam cake, loam cake central authorities wear an actuator, are combined with a handle in the upper end of this actuator, and the lower end combines with piston in the body.Its characteristics are, internal piston is provided with the air guide chamber of giving vent to anger, an air inlet air guide chamber and, upper and lower piston face in this air inlet air guide chamber is formed with and allows air enter check-valve port in the body by air inlet air guide chamber, and the upper and lower piston face in this air guide chamber of giving vent to anger is formed with and allows air be entered check-valve port in the air guide chamber of giving vent to anger by body; Both sides in these handle central authorities are formed with inlet, outlet respectively; The actuator inboard wears and is assembled with pipe in, and pipe runs through actuator in this, and pipe lower end combines with piston in this, and the upper end combines with handle, and the upper end of this interior pipe communicates with the suction port of handbar, and the lower end communicates with air inlet air guide chamber in the piston; The lower end, space in actuator inboard, the interior pipe outside is connected with the air guide chamber of giving vent to anger in the piston, and the upper end in this space then is connected with the air outlet of handbar.

The characteristics of above-mentioned bidirectional inflating pump are, in this piston peripheral group Airtight gasket are housed.

The characteristics of above-mentioned bidirectional inflating pump are, are provided with an assembling pipe in these piston central authorities, and the lower end of actuator combines with the piston set tubulature.

The characteristics of above-mentioned bidirectional inflating pump are that the upper and lower end of pipe is formed with breach respectively in this, and the breach of upper end communicates with the suction port of handbar, and the breach of lower end communicates with air inlet air guide chamber in the piston.

Advantage of the present utility model is: can allow the bidirectional inflating pump be accustomed to freely drawing, pushing away handle according to the user with its excellent structural arrangements, make its handle profile have the on-slip effect, it is arranged on the actuator inboard with interior pipe again, and can allow overall structure more simplify, and can make things convenient for maintenance, and allow the chance of gas leakage reduce, improve whole quality.

Further specify structure characteristic of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the schematic appearance of the bidirectional inflating pump that the utility model proposes;

Fig. 2 is the assembly decomposing schematic representation of the bidirectional inflating pump that the utility model proposes;

Fig. 3 is the combination cross-sectional view of the bidirectional inflating pump that the utility model proposes;

Fig. 4 is the user mode reference drawing when moving on the piston of the bidirectional inflating pump that the utility model proposes;

Fig. 5 is the user mode reference drawing of the piston of the bidirectional inflating pump that the utility model proposes when moving down;

Fig. 6 is the assembly decomposing schematic representation of traditional double to gas-filled pump; And

Fig. 7 is the combination cross-sectional view of traditional double to gas-filled pump;

See also shown in Figure 1ly, it is the schematic appearance of the bidirectional inflating pump that the utility model proposes, and the external form of its moulding and traditional bidirectional inflating pump is identical.It is to be provided with loam cake 20 above integrated tubular body 10, loam cake 20 central authorities wear an actuator 30, be combined with an on-slip type handle 50 on the top of this actuator 30, and be formed with inlet, outlet 52 respectively in the both sides of these handle 50 central authorities, 54, be provided with and lock easily and the L type breach 500 of taking-up and adaptation height, difficult drop-off for wave pipe 60 joints 62 at air inlet/

outlet

52,54.

Cooperate the assembly decomposing schematic representation of Fig. 2 and the combination cross-sectional view of Fig. 3, body 10 of the present utility model is tubular, be assembled with a piston 40 in the body 10, in piston 40 peripheral group Airtight gasket 400 is housed, be provided with an assembling pipe 42 in piston 40 central authorities, and be provided with the air guide chamber 46 of giving vent to anger, an air inlet air guide chamber 44 and in piston 40 inside, on this air inlet air guide chamber 44, piston 40 surfaces, below are formed with and allow air enter check-valve port 440 in the body 10 by air inlet air guide chamber 44,442, on this air guide chamber 46 of giving vent to anger, piston 40 surfaces, below are formed with and allow air enter check-valve port 460,462 in the air guide chamber 46 of giving vent to anger by body 10;

The lower end that can see actuator 30 in Fig. 3 combines with piston 40 assembling pipes 42, and the upper end combines with handle 50.In addition, wear in actuator 30 inboards and to be assembled with pipe 32 in, pipe 32 runs through actuator 30 in this, and combines with piston 40 with its lower end, and the upper end combines with handle 50.Cooperate shown in Fig. 2 as can be known, the upper and lower end of pipe 32 is formed with breach 320,322 respectively in this, and the breach 320 of upper end communicates with the suction port 52 at handle 50 places, and the breach of lower end communicates with air inlet air guide chamber 44 in the piston 40.Simultaneously, the air guide chamber 46 of giving vent to anger that can see in Fig. 3 in the piston 40 is connected with the space in actuator 30 inboards, interior pipe 32 outsides, the upper end in this space then is connected with the air outlet 54 at handle 50 places, can be led to 54 places, air outlet via the space in actuator 30 inboards, interior pipe 32 outsides and sends and can abdicate air in the conductance air chamber 46.

By above-mentioned explanation as can be known, the utility model is assembled with piston 40 in body 10, piston 40 is to do upper and lower displacement by handle 50 via actuator 30 operations in body 10, ambient air then can be by suction port 52 in interior pipe 32 enters air inlet air guide chamber 44 in the piston 40, enter in the body 10 by check-

valve port

440 or 442 then, air in body 10 inside then can be entered by the check-valve port on the piston 40 460 or 462 in the air guide chamber 46 of giving vent to anger, and is sent by air outlet 54 through the space in actuator 30 inboards, interior pipe 32 outsides again.

Cooperate Fig. 4,5 user mode reference drawing, the user mode when moving on the piston 40 for the bidirectional inflating pump that the utility model proposes shown in Fig. 4.At this moment, the air in body 10 above the piston 40 can enter in the air guide chamber 46 of giving vent to anger via check-valve port 460, and is sent by air outlet 54 through the space in actuator 30 inboards, interior pipe 32 outsides.Simultaneously, extraneous air enters air inlet air guide chamber 44 in the piston 40 by suction port 52 through interior pipe 32, enters in the body 10 of piston 40 belows by check-valve port 442 then;

User mode when moving down for the piston 40 of the bidirectional inflating pump that the utility model proposes shown in Fig. 5.At this moment, the air in body 10 below the piston 40 can enter in the air guide chamber 46 of giving vent to anger via check-valve port 462, and is sent by air outlet 54 through the space in actuator 30 inboards, interior pipe 32 outsides.Simultaneously, extraneous air enters air inlet air guide chamber 44 in the piston 40 by suction port 52 through interior pipe 32, enters in the body 10 of piston 40 tops by check-valve port 440 then;

From the above, when the utility model is operated, no matter be that the user will draw or press down on the handle 50, all the air in the body 10 after giving vent to anger air guide chamber 46, piston 40 can be sent by air outlet 54, and allow extraneous air enter in the piston air inlet air guide chambers 44 40 by suction port 52, enter the side in addition of piston 40 in the body 10 again, it all can inflate action in bidirectional operation, make and have efficient in the use, its handle 50 can allow the relative freely body 10 of user rotate simultaneously, and the situation that misoperation causes damage can not take place.

Claims

1. bidirectional inflating pump, it has a tubular body, is provided with piston in body, be provided with loam cake above the tubular body, loam cake central authorities wear an actuator, are combined with a handle in the upper end of this actuator, the lower end combines with piston in the body, it is characterized in that

Internal piston is provided with the air guide chamber of giving vent to anger, an air inlet air guide chamber and, upper and lower piston face in this air inlet air guide chamber is formed with and allows air enter check-valve port in the body by air inlet air guide chamber, and the upper and lower piston face in this air guide chamber of giving vent to anger is formed with and allows air be entered check-valve port in the air guide chamber of giving vent to anger by body;

Both sides in these handle central authorities are formed with inlet, outlet respectively;

The actuator inboard wears and is assembled with pipe in, and pipe runs through actuator in this, and pipe lower end combines with piston in this, and the upper end combines with handle, and the upper end of this interior pipe communicates with the suction port of handbar, and the lower end communicates with air inlet air guide chamber in the piston;

The lower end, space in actuator inboard, the interior pipe outside is connected with the air guide chamber of giving vent to anger in the piston, and the upper end in this space then is connected with the air outlet of handbar.

2. bidirectional inflating pump according to claim 1 is characterized in that, this handle is an on-slip type handle, is provided with to be convenient to Joint for corrugated pipe and it takes out easily, locks and the L type breach of difficult drop-off on the handle inlet, outlet.

3. bidirectional inflating pump according to claim 1 is characterized in that, is provided with an assembling pipe in these piston central authorities, and the lower end of actuator combines with the piston set tubulature.

4. bidirectional inflating pump according to claim 1 is characterized in that, in this piston periphery, is assembled with Airtight gasket.