CN2504401Y

CN2504401Y - Two-way inflation pump

Info

Publication number: CN2504401Y
Application number: CN 01259675
Authority: CN
Inventors: 蔡俊宏
Original assignee: Hongzhu Industry Co ltd
Current assignee: Hongzhu Industry Co ltd
Priority date: 2001-09-24
Filing date: 2001-09-24
Publication date: 2002-08-07
Anticipated expiration: 2011-09-24

Abstract

The utility model relates to a two-way inflator pump, and the two-way inflator pump is provided with a body, wherein, a piston is arranged in the body and an upper lid is arranged above the body. An actuating pipe is arranged through the center of the upper lid. A handle is connected with the upper end of the actuating pipe, and the lower end of the actuating pipe is connected with the piston in the body. An air inlet guiding chamber and an air outlet guiding chamber are arranged in the piston. One-way valve ports are arranged on the surfaces of the upper and lower pistons of the air inlet guiding chamber and the air outlet guiding chamber. Air inlets and air outlets are arranged on both sides of the handle respectively. An inner pipe is arranged on the inside of the actuating pipe. The upper end of the inner pipe is communicated with the air inlet of the handle, and the lower end is communicated with the air inlet guiding chamber. The lower end of the space between the actuating pipe, and the inner pipe is communicated with the air outlet guiding chamber and the upper end is communicated with the air outlet of the handle. The handle of the utility model can be pulled, pushed or rotated freely according to the habit of the user, and the inflation can be performed during pulling or pushing the handle, therefore being convenient in application and difficult to be damaged.

Description

The bidirectional inflating pump

(1) technical field

The utility model relates to a kind of bidirectional inflating pump.

(2) background technique

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 (being commonly called as pump) that bicycle tyre is inflated as common people, this kind gas-filled pump has the body of a tubular, in body, be assembled with a piston by the operating bar operation, and be provided with handle in the operating bar top for user's handling, extend a gas tube in the body lower end, be 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 provide a effect of inflating by gas tube, the gas-filled pump of this kind traditional type is unidirectional gas-filled pump, that is it is on piston, move in the round trip down, be merely able to have single stroke that aeration is provided moving down, in the stroke that moves up, then can't use effect as, so its utilization efficiency is not good.

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, this kind bidirectional inflating pump structure is shown in Fig. 9,10, it is to manage 72 at a tubular body 70 inner shafts to being provided with in one, is provided with an one-way valve 74 in the pipe 72 in this, and the 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, this air outlet 82 above this loam cake 80 is conducted with aforesaid air guide chamber 84 again, 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 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

92,96, this air guide chamber 94 is conducted with actuator 90 lower ends again, be provided with handle 98 in the upper end of this actuator 90, and be formed with a suction port 99 in handle 98 1 sides.

When the user draws on handle 98 in use, can drive piston 92 and move in body 70, 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 was 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;

When the user presses down handle 98, can drive piston 92 and in body 70, move down, this moment, the air below piston 92 managed 72 in can entering via pore 76, and entered in the air guide chamber 84 of loam cake 80, was 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, and is a more progressive design.

And in practice, find, aforesaid bidirectional inflating pump is also inconvenient in the use, because the setting of pipe 72 in it, make piston 92 be provided with a perforation 93 that supplies interior pipe 72 to pass, this promptly makes piston 92 singly will not note the airtight effect of its outer rim and body 70 inwalls when assembling, 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 aforementioned 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, 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 pay attention to and the powerful handle 98 that rotates because of the user, cause the gas-filled pump internal structure to damage, this obviously is this bidirectional inflating pump not most perfect problem that causes on structural design.

(3) summary of the invention

The purpose of this utility model is to provide a kind of bidirectional inflating pump, it can allow the user not be subjected to the restriction of handle angle when operation, between the handle push-and-pull, all can inflate simultaneously, order is used more smoothly, and can not cause the gas-filled pump internal structure to damage because of rotating handle accidentally, the utility model can also easily make the gas-filled pump into unidirectional inflation as required into, and can increase the whole variability of using and satisfy requirements of different users.

In order to achieve the above object, the utility model provides a kind of bidirectional inflating pump, it comprises a tubular body, be provided with piston in this body, be provided with loam cake above this tubular body, these 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 this body, it is characterized in that:

This 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 provided 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 provided 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 respectively arranged with inlet, outlet;

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

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

Described bidirectional inflating pump is characterized in that: this handle can be an on-slip type handle, is provided with L type breach on this handle inlet, outlet, and a Joint for corrugated pipe is locked on this handle inlet, outlet by this L type breach.

Described bidirectional inflating pump is characterized in that: can be provided with an assembling pipe in these piston central authorities, the lower end of this actuator combines with this piston set tubulature.

Described bidirectional inflating pump is characterized in that: can be assembled with an Airtight gasket in this piston periphery.

Described bidirectional inflating pump is characterized in that: this loam cake one side is provided with a leakage port, is covered with gas port lid on this leakage port.

Described bidirectional inflating pump is characterized in that: this gas port covers rounded cap shape, and the one end shield is located at the opening end on this leakage port, and the other end then connects a chock of filling in the opening of this leakage port with fin, is provided with vent between this each fin.

Described bidirectional inflating pump is characterized in that: this loam cake leakage port in a tubular form, and the outer wall of this tubulose leakage port is provided with screw thread, this gas port lid is screwed with this tubulose leakage port.

Described bidirectional inflating pump is characterized in that: be provided with corresponding chimeric protruding pin with this leakage port screw thread in this gas port lid inboard.

Advantage of the present utility model is: bidirectional inflating pump of the present utility model, it can be accustomed to freely drawing, pushes away or rotate handle according to the user, when operation, be not subjected to the restriction of handle angle, between the handle push-and-pull, all can inflate simultaneously, order is used more smoothly, and can not cause the gas-filled pump internal structure to damage because of rotating handle, the utility model can also easily make the gas-filled pump into unidirectional inflation as required into, and can increase the whole variability of using and satisfy requirements of different users.

Bidirectional inflating pump of the present utility model, its handle profile has the on-slip effect, and it is arranged on the actuator inboard with interior pipe, and can allow overall structure more simplify, and makes things convenient for maintenance, and allows the chance of gas leakage reduce, and improves whole quality.

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

(4) 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 loam cake leakage port of the bidirectional inflating pump that the utility model proposes and the assembly decomposing schematic representation of gas port lid.

Fig. 4 is the combination cross-sectional view of the bidirectional inflating pump that the utility model proposes.

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

Fig. 6 is the user mode reference drawing of the piston of the bidirectional inflating pump that the utility model proposes when moving down.

Fig. 7 is that the gas port lid of the bidirectional inflating pump that the utility model proposes is unlocked and user mode reference drawing when moving on the piston.

Fig. 8 is that the gas port lid of the bidirectional inflating pump that the utility model proposes is unlocked and the user mode reference drawing of piston when moving down.

Fig. 9 traditional double is to the assembly decomposing schematic representation of gas-filled pump.

Figure 10 is the combination cross-sectional view of traditional double to gas-filled pump.

(5) embodiment

See also shown in Figure 1, it is the schematic appearance of the bidirectional inflating pump that the utility model proposes, it is 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 respectively in the both sides of these handle 50 central authorities,

air outlet

52,54, this advances,

air outlet

52,54 can manage 60 joints 62 with wave socket-connects, advancing,

air outlet

52,54 are provided with and can lock easily and the L type breach 500 of taking-up and difficult drop-off for wave pipe 60 joints 62, hold the joint 64 that then is provided with tool L type breach 640 in addition at wave pipe 60 again, and be serially connected with a plurality of valves 644 in these joint 64 sides with an antilift wire 642, it can select the different valve 644 of socket according to need at joint 64 places; Be provided with a leakage port 22 in loam cake 20 1 sides in addition, and on this leakage port 22, be covered with gas port lid 24.

The utility model is at the inlet, outlet 52 of

handle

50,54 are provided with and lock easily and take out, the L type breach 500 that has tightness and difficult drop-off again, simultaneously manage the L type breach 640 that 60 joints, 64 places are provided with same structure at wave, it can allow the inlet, outlet 52 of wave pipe 60 and handle 50,54 assembling, and the assembling of 64 of valve 644 and joints more firmly and not can come off easily, it will have more stability and practicability than the combination of existing product close type.

Cooperate loam cake 20 leakage ports 22 of the utility model bidirectional inflating pump of Fig. 3 to cover 24 assembly decomposing schematic representation with gas port, this leakage port 22 is a tubular opening, and the screw thread 220 that on the outer wall of this tubulose leakage port 22, is formed with 24 assemblings of air feed flap and opens and closes, and gas port lid 24 is a circular cap cover shape, at the one end is the opening end 240 that covers on the leakage port 22, end then connects a chock 246 with fin 242 in addition, when gas port lid 24 is covered on the leakage port 22, chock 246 is just filled in the opening of leakage port 22, and provide the airtight effect of blockading, and between each fin 242, be formed with vent 244, simultaneously cover 24 inboards at gas port and be provided with and leakage port 22 screw threads 220 corresponding chimeric protruding pins 248, it can allow gas port lid 24 rotarily open or close and can not come off in leakage port 22 outsides.

Cooperate the assembly decomposing schematic representation of Fig. 2 and the combination cross-sectional view of Fig. 4, 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. 4 combines with piston 40 assembling pipes 42, the upper end combines with handle 50, wear in actuator 30 inboards in addition and be assembled with pipe 32 in, should run through actuator 30 by interior pipe 32, and combine with piston 40 with its lower end, 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, the breach 320 of upper end communicates with the suction port 52 at handle 50 places, and the breach 322 of lower end communicates with air inlet air guide chamber 44 in the piston 40; The air guide chamber 46 of giving vent to anger that can see in Fig. 4 in the piston 40 simultaneously 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. 5,6 user mode reference drawing, user mode when moving on the piston 40 for the bidirectional inflating pump that the utility model proposes shown in Fig. 5, this moment, the air above the piston 40 in body 10 can enter in the air guide chamber 46 of giving vent to anger via check-valve port 460, and was 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. 6, this moment, the air below the piston 40 in body 10 can enter in the air guide chamber 46 of giving vent to anger via check-valve port 462, and was 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;

That is 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, has efficient in the use, its handle 50 can allow the relative freely body 10 of user rotate simultaneously, does not cause the situation of damage to take place and do not have misoperation.

Next by Fig. 7,8, the bidirectional inflating pump that the utility model proposes also can be opened the gas port lid 24 that covers on loam cake 20 leakage ports 22 in use, and allow leakage port 22 be switched on, that is the space and the external world of piston 40 tops is switched in the body 10, this moment is as shown in Figure 7 when moving on the piston 40, air in body 10 above the piston 40 can directly be discharged outside the body 10 by leakage port 22 places, can not enter in the air guide chamber 46 of giving vent to anger via check-valve port 460 again; Simultaneously extraneous air still 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;

In being the gas port lid 24 of the bidirectional inflating pump that the utility model proposes user mode of piston 40 when moving down that be unlocked shown in Fig. 8, this moment, the air below the piston 40 in body 10 can enter in the air guide chamber 46 of giving vent to anger via check-valve port 462, and was sent by air outlet 54 through the space in actuator 30 inboards, interior pipe 32 outsides; Extraneous simultaneously air is directly entered in the body 10 of piston 40 tops by leakage port 22;

By above-mentioned explanation as can be known, when the user opens the gas port on the utility model loam cake 20 lid 24 and makes the space of body 10 internal pistons 40 tops via leakage port 22 during directly with extraneous conducting, promptly make gas-filled pump of the present utility model only has just provides inflation when piston 40 moves down effect.

The design of the utility model leakage port 22 and gas port lid 24, mainly be at child or the less laborsaving in use usefulness of user of strength, for example: when bicycle tyre being inflated with this practical gas-filled pump, design by bidirectional inflating can allow tire be full of air in the extremely short time, but at tire when filling full air, promptly need use bigger strength the air in the gas-filled pump could be charged in the tire, general user can utilize body weight to come the application of force when handle 50 is pressed down, but when handle 50 is pulled upwardly, then not necessarily can be enough strength spur handle 50, the utility model only needs gas port is covered 24 unlatchings and allows leakage port 22 conductings at this moment, can will move on the handle 50 easily, and when pressing down, inflate.

Claims

1. bidirectional inflating pump, it comprises a tubular body, is provided with piston in this body, be provided with loam cake above this tubular body, these 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 this body, it is characterized in that:

2. bidirectional inflating pump according to claim 1 is characterized in that: this handle is an on-slip type handle, is provided with L type breach on this handle inlet, outlet, and a Joint for corrugated pipe is locked on this handle inlet, outlet by this L type breach.

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

4. bidirectional inflating pump according to claim 1 is characterized in that: in this piston peripheral group one Airtight gasket is housed.

5. bidirectional inflating pump according to claim 1 is characterized in that: this loam cake one side is provided with a leakage port, is covered with gas port lid on this leakage port.

6. bidirectional inflating pump according to claim 5, it is characterized in that: this gas port covers rounded cap shape, the one end shield is located at the opening end on this leakage port, and the other end then connects a chock of filling in the opening of this leakage port with fin, is provided with vent between this each fin.

7. bidirectional inflating pump according to claim 5 is characterized in that: this loam cake leakage port in a tubular form, and the outer wall of this tubulose leakage port is provided with screw thread, this gas port lid is screwed with this tubulose leakage port.

8. bidirectional inflating pump according to claim 7 is characterized in that: be provided with corresponding chimeric protruding pin with this leakage port screw thread in this gas port lid inboard.