CN2477856Y

CN2477856Y - Inflator having improved structure

Info

Publication number: CN2477856Y
Application number: CN 01204683
Authority: CN
Inventors: 王罗平
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-28
Filing date: 2001-02-28
Publication date: 2002-02-20
Anticipated expiration: 2011-02-28

Abstract

The utility model relates to an improved structure for an inflating pump. The structure comprises an inflating pump body, an inflating part, an air storage body, an air nozzle, a hose, a base and an adjusting component. The inflating pump body has a cylinder path; the inflating part comprises a handle and a piston, and the piston is arranged in the cylinder path of the inflating pump body; the air storage body is arranged at the bottom of the inflating pump body, integrally formed with the inflating pump body, and provided with an air storage chamber communicated with the cylinder path of the inflating pump body; the air nozzle is arranged on the air storage body and communicated with the air storage chamber; one end of the hose is communicated with the air nozzle; the base is positioned at the bottom of the air storage body to enable the inflating pump to be put on the ground; and the adjusting component is disposed on the air storage body to accommodate articles and adjust the pressure.

Description

The structure-improved of pump

The utility model is relevant with pump, particularly about a kind of inflator structure with one-body molded gas storage chamber.

The inflator structure of commonly using sees also shown in Figure 1ly, and include: an inflator body 91, its inside have a cylinder road (not shown).One pressing means 92 has a leader 921 and a piston (not shown), and wherein the piston of this pressing means 92 is located in the cylinder road of this inflator body 91.One storing gas 93 is arranged on the next door of this inflator body 91, has a gas storage chamber (not shown) with the inside of this inflator body 91, is communicated with this cylinder road; And a flexible pipe 94 is located at this storing gas 93, is communicated with this gas storage chamber.During use, the user holds this handle 921, and the application of force pumps this pressing means 92, uses the generation pressurized gas; And this pressurized gas is known from experience the gas storage chamber that is introduced in this storing gas 93, arrives predetermined Pneumatic article then via this flexible pipe 94.The purpose that is provided with of this storing gas 93 is that the pressurized gas that is produced by this inflator body 91 is introduced in this storing gas 93, and it is more smooth-going to use the process that makes inflation.But commonly use the set-up mode of this storing gas 93 in the skill, the volume of whole pump is strengthened, occupy more space.

Main purpose of the present utility model is to provide a kind of structure-improved of pump, has integrated gas storage chamber, can reduce the pump volume.

For reaching above-mentioned purpose, the structure-improved according to pump provided by the utility model includes: an inflator body, generally be the elongated cylinder, and its inside has an elongated cylinder road; One pressing means has a piston and leader; This piston is located in the simplified cylinder road of this gas, and can move back and forth in this cylinder road to produce pressurized gas; One storing gas is positioned at the bottom of this inflator body, is one-body molded with this inflator body; This storing gas inside has a gas storage chamber, is communicated with the cylinder road of this inflator body; One pedestal is positioned at the bottom of this storing gas, and this pump can be positioned on the plane; One check valve is located between the gas storage chamber of the cylinder road of this inflator body and this storing gas, uses making this pressurized gas only can flow to this gas storage chamber by this cylinder road; One outlet nozzle is located at this storing gas, and this outlet nozzle is communicated with the gas storage chamber of this storing gas; And a flexible pipe, an end is located at this outlet nozzle, is communicated with this gas storage chamber.

Wherein an end of this storing gas is opening-like; The one adjustment assembly that is elongated is inserted in the gas storage chamber of this storing gas by the opening end of this storing gas, and seals the opening of this storing gas.

Wherein this adjustment component internal has a room that can supply article to place.

Wherein this adjustment assembly has an opening, and the room of this adjustment assembly is in communication with the outside; One cover piece is covered in the opening of this adjustment assembly in detachable mode.

Wherein this adjustment assembly includes a displacement post, is located in the deaerating chamber of this storing gas; This displacement post can move between a primary importance and a second place; The precalculated position of this storing gas is provided with a leakage port, and when this adjustment assembly moved to primary importance, this leakage port and this gas storage chamber were isolated; And when this adjustment assembly moved to the second place, this gas storage chamber was communicated with this leakage port.

Wherein this displacement post be subjected to the effect of gas pressure in this gas storage chamber make its this first and this second place between move.

Wherein this adjustment assembly also includes a fixed cover and at least one elastic component; This fixed cover is located at this storing gas, in order to seal the opening of this storing gas; One end of this elastic component is resisted against this fixed cover, and the other end is resisted against this displacement post.

Wherein the precalculated position of this displacement post is provided with at least one O type ring, and when this displacement post was positioned at this primary importance, this O type ring was posted by on the wall of this gas storage chamber, uses isolated this leakage port and this gas storage chamber; When this displacement post was positioned at this second place, this O type ring left the wall of this gas storage chamber, made this leakage port and this gas storage chamber conducting.

Wherein the precalculated position of this inflator body is provided with one in order to fasten the portion that buckles of this flexible pipe.

So structure can reduce the spatial volume that pump occupies.

Below lift a preferred embodiment now and cooperate diagram that the utility model is further described, wherein:

Fig. 1 is a schematic appearance of commonly using pump.

Fig. 2 is the utility model embodiment's a three-dimensional exploded view.

Fig. 3 is the utility model embodiment's a side view.

Fig. 4 is that the partial sectional view of the utility model embodiment's gas storage chamber shows the state of displacement post in primary importance.

Fig. 5 is that the partial sectional view of the utility model embodiment's gas storage chamber shows that the displacement post moves to the state of the second place.

See also shown in each figure, the structure-improved of the pump that the utility model embodiment is provided includes:

One inflator body 10 is the elongated cylindrical body, and its inside has an elongated cylinder road 11, and its top is opening-like; The outer lateral body body of this inflator body 10 has the portion that buckles 12 that without exception is the extension of C type.

One pressing means 20 has a piston 21, leader 22, a connecting rod 23 and a lid 24; This piston 21 is located in the cylinder road 11 of this inflator body 10, and can move back and forth in this cylinder road 11 to produce pressurized gas.For commonly using inflator structure, hold and do not describe in detail herein.

One storing gas 30 is positioned at the bottom of this inflator body 10, is one-body molded with this inflator body 10; These storing gas 30 inside have a gas storage chamber 31, are communicated with the cylinder road 11 of this inflator body 10; One end of this storing gas 30 is opening-like, and is provided with a screw thread 32 at opening end outside ora terminalis; Be provided with an outlet nozzle 33 on the top of this storing gas 30, the rear end then is provided with a leakage port 34, and wherein this outlet nozzle 33 all is communicated with this gas storage chamber 31 with this leakage port 34, and this outlet nozzle 33 connects a flexible pipe 70; The C shape that this flexible pipe 70 can be buckled in this inflator body 10 in time spent is not buckled in the portion 12.

One pedestal 40 is positioned at the bottom of this storing gas 30, also is one-body molded with this storing gas 30; This pedestal 40 is oblong, and the utility model embodiment's pump can be positioned on the ground.

One check valve 50 sees also Fig. 5, is located at the runner between the gas storage chamber 31 of the cylinder road 11 of this inflator body 10 and this storing gas 30, uses that just pressurized gas only can be by these cylinder road 11 one-way flows to this gas storage chamber 31.This check valve 30 is to be a film, with to commonly use structure identical, hold and does not describe in detail.

One adjusts assembly 60, sees also Fig. 4, has displacement post 61, a fixed cover 62 and eight elastic components 63.Wherein this displacement post 61 has a larger-diameter head 611 and the less body portion 612 of a diameter, and central authorities have a room 613, and its end at this head 611 is opening-like; The left end face of this head 611 is provided with eight tanks 614, and its right end face forms a stressed anchor ring 615, and outer lateral body body is equipped with one first groove 616; The body of the close right-hand member of this body portion encircles on one's body establishes one second groove 617, and is arranged with the 3rd a ring-like groove 618 on its right end face; Respectively be installed with one the one O type ring 66, one the 2nd O type ring 67 and one the 3rd O type ring 68 in this groove 616,617,618 respectively.The inboard of this fixed cover has a screw thread, corresponding to the screw thread of this storing gas; These fixed cover 62 periphery inboards are provided with a screw thread 622, corresponding to the screw thread 32 of this storing gas 30, and have an opening 623 in the central authorities of this fixed cover 62; One lid 624 to rotate chimeric mode, is buckled on this fixed cover 62, uses the opening 623 of this fixed cover 62 of sealing.

The displacement post 61 of this adjustment assembly 60 is installed with in the gas storage chamber 31 of this storing gas 30, the opening end of head 611 contiguous these storing gas 30 of this displacement post 61, and this displacement post 61 can be moved between a primary importance and a second place; This eight elastic component 63 is respectively to be a rubber elasticity cylinder (can be spring on the practice) in the utility model embodiment, and an end is located in respectively in eight tanks 614 of this displacement post; At last this fixed cover 62 is screwed together on this storing gas 30, makes this fixed cover 62 compress these elastic components 63, and then compel to support this displacement post 61 and be located at as shown in Figure 4 primary importance.

See also Fig. 4 equally, when this displacement post 61 is positioned at primary importance, this the second and the 3rd

O type ring

67,68 can closely overlay on the wall of this gas storage chamber 31, make this leakage port 34 isolated with this gas storage chamber 31, use make the pressurized gas that is produced by this inflator body 10 enter this gas storage chamber 31 after, only can discharge (shown in the arrow among Fig. 4), use this desired object inflation by this outlet nozzle 33.

When the user inflates action, pressurized air is delivered in this gas storage chamber 31 by this cylinder road 11, see also Fig. 4, air pressure (P) can act on the stressed anchor ring 615 of these adjustment assembly 60 displacement posts 61, as this moment this gas storage chamber 31 air pressure greater than a certain pressure after, can force this displacement post 61 slightly to be moved to the left; At this moment, the volume of this gas storage chamber 31 reduces the air pressure in this gas storage chamber 31 because of moving to left of this displacement member 61 increases on the contrary.

But as inflation action proceeds, and the air pressure in this gas storage chamber 31 are raise once more, and this displacement post 61 can be moved to the left again and reach the second place; See also Fig. 5, in this, this second no longer contacts with the wall of this gas storage chamber 31 with the 3rd

O type ring

67,68, makes this leakage port 34 and these gas storage chamber 31 conductings (shown in the arrow among Fig. 5), and the gases in this gas storage chamber 31 are directly overflow in the external world via this leakage port 34.After a part of gas is flowed out by this leakage port 34, pressure in this gas storage chamber 31 can descend fast, these elastic components 63 post 61 that can will be shifted pushes back as shown in Figure 4 primary importance, and isolated once more this gas storage chamber 31 and this leakage port 34 can recover normally to inflate to move.

The described purpose of leading portion be to limit this pump can pressurized gas force value, use the protection pump and can not make some element destroyed because the pressure of superheated steam is excessive.

At this functional characters more of the present utility model are remarked additionally:

1. the room 613 that should adjust in the assembly 60 displacement posts 61 can supply to place as relative articles such as tyre patch or hand toolss, and by opening or fasten this lid 624 to take, put article.

The one O type ring 66 no matter in inflation, lose heart or during the process of conversion, all closely overlay on the wall of this gas storage chamber 31, gas can not overflow by this junction point that adjust assembly 60 and this storing gas 30 loses.

3. these elastic components 63 can provide the 3rd O type ring 618 1 elastic force when this adjustment assembly 60 is positioned at primary importance, and it is overlayed really on the wall of this gas storage chamber 31, make this gas storage chamber 31 keep airtight conditions really.

4. pump of the present utility model can be by elastic force size or the number of selecting these elastic components 63, or adjusts this fixed cover 62 and be screwed together in tightness on this storing gas, to adjust the maximum pressures that allowed in this gas storage chamber 31.

The utility model has the advantage of: this inflator body 10, this storing gas 30 and this seat Body 40 all is formed in one, and except the volume that reduces inflator, can reduce cost of manufacture; In addition Add a storing room 613 in inflator inside, the user is in the use more convenient in addition; At last, inflator of the present utility model has a protection mechanism one this adjustment assembly 60, when this storage When the air pressure in the air chamber 31 is excessive, can automatically lose heart, to improve the security of inflator.

Claims

1. the structure-improved of a pump is characterized in that, includes:

One inflator body generally is the elongated cylinder, and its inside has an elongated cylinder road;

One pressing means has a piston and leader; This piston is located in the cylinder road of this air cylinder, and can move back and forth in this cylinder road to produce pressurized gas;

One storing gas is positioned at the bottom of this inflator body, is one-body molded with this inflator body; This storing gas inside has a gas storage chamber, is communicated with the cylinder road of this inflator body;

One pedestal is positioned at the bottom of this storing gas, and this pump can be positioned on the plane;

One check valve is located between the gas storage chamber of the cylinder road of this inflator body and this storing gas, uses making this pressurized gas only can flow to this gas storage chamber by this cylinder road;

One outlet nozzle is located at this storing gas, and this outlet nozzle is communicated with the gas storage chamber of this storing gas; And

One flexible pipe, an end is located at this outlet nozzle, is communicated with this gas storage chamber.

2. the structure-improved of pump according to claim 1 is characterized in that, wherein an end of this storing gas is opening-like; The one adjustment assembly that is elongated is inserted in the gas storage chamber of this storing gas by the opening end of this storing gas, and seals the opening of this storing gas.

3. the structure-improved of pump according to claim 2 is characterized in that, wherein this adjustment component internal has a room that can supply article to place.

4. the structure-improved of pump according to claim 3 is characterized in that, wherein this adjustment assembly has an opening, and the room of this adjustment assembly is in communication with the outside; One cover piece is covered in the opening of this adjustment assembly in detachable mode.

5. the structure-improved of pump according to claim 2 is characterized in that, wherein this adjustment assembly includes a displacement post, is located in the deaerating chamber of this storing gas; This displacement post can move between a primary importance and a second place; The precalculated position of this storing gas is provided with a leakage port, and when this adjustment assembly moved to primary importance, this leakage port and this gas storage chamber were isolated; And when this adjustment assembly moved to the second place, this gas storage chamber was communicated with this leakage port.

6. the structure-improved of pump according to claim 5 is characterized in that, wherein this displacement post be subjected to the effect of gas pressure in this gas storage chamber make its this first and this second place between move.

7. the structure-improved of pump according to claim 5 is characterized in that, wherein this adjustment assembly also includes a fixed cover and at least one elastic component; This fixed cover is located at this storing gas, in order to seal the opening of this storing gas; One end of this elastic component is resisted against this fixed cover, and the other end is resisted against this displacement post.

8. the structure-improved of pump according to claim 5, it is characterized in that wherein the precalculated position of this displacement post is provided with at least one O type ring, when this displacement post is positioned at this primary importance, this O type ring is posted by on the wall of this gas storage chamber, uses isolated this leakage port and this gas storage chamber; When this displacement post was positioned at this second place, this O type ring left the wall of this gas storage chamber, made this leakage port and this gas storage chamber conducting.

9. the structure-improved of pump according to claim 1 is characterized in that, wherein the precalculated position of this inflator body is provided with one in order to fasten the portion that buckles of this flexible pipe.