CN102022306B

CN102022306B - Hose coupling for mini pump

Info

Publication number: CN102022306B
Application number: CN2009101765620A
Authority: CN
Inventors: 吴树木
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-22
Filing date: 2009-09-22
Publication date: 2012-07-11
Anticipated expiration: 2029-09-22
Also published as: CN102022306A

Abstract

The invention relates to a hose combining device of a mini inflator, which comprises an airtight plug, a hose and two fixing rings, wherein the airtight plug is provided with a plug body and a connecting part, the plug body is slidably arranged in an inflating pipe body, the connecting part is convexly arranged at one end of the plug body, and the connecting part is provided with a convex ring; the hose is provided with a first end and a second end, the first end is sleeved on the connecting portion of the airtight plug, the hose drives the airtight plug to move relative to the inflator body, the second end is fixedly arranged at the inflation connector, the first end of the hose is sleeved with the two fixing rings, the hose is tightly tightened on the connecting portion by the fixing rings, the hose is tightly sleeved on the outer surface of the clamping groove of the connecting portion by the first fixing rings, and the outer surface of the connecting portion opposite to the first fixing rings is tightly sleeved on the hose by the second fixing rings.

Description

The flexible pipe combination apparatus of mini inflating pump

Technical field

The present invention mainly discloses a kind of flexible pipe combination apparatus, refers to a kind of flexible pipe combination apparatus that is used in mini inflating pump especially.

Background technique

Because various countries, whole world living standard generally improves, therefore relatively also pay attention to recreation in recent years, stop two days enforcement along with week; People increase many leisure times, therefore, utilize the number of being engaged in leisure, tourism and motion these holidaies that the trend that increases is rapidly more arranged; Be engaged in stress-relieving activity and can arrive the open air; Only instrument promptly is a bicycle, and therefore, the pump during bicycle is equipped with is the indispensable carry-on articles of bicycle knight especially.

Like No. 2007/0148023 " PUMP " patent of Patent Application No. case, be the previous invention of claimant, its this block alternative is engaged in two positioning parts, reaches to open to use or the use of collection.When using, can produce with respect to the displacement of handle bar by movable block and inflate effect; After finishing using, this handle body income handle is got final product.The present invention folds back ten minutes minimizing and takies volume, seems quite compact.

Existing mini inflating pump is because whole volume is little; So connect when establishing cranked tire valve at the head of mini inflating pump because the volume of mini inflating pump is little and its head and handle body between be fixed structure, and can't be movable relatively; So operate in the process that the handle to-and-fro motion inflates the user; Can let the mini inflating pump head rock, and the head of mini inflating pump rock and just can have influence on inflation in the process of inflating, light then cause the phenomenon of gas leakage; Heavy then easily because rocking of hand lets head driven wheel nausea mouth synchronization motion, and cranked tire valve continues to receive pullling of head and causes the impaired even fracture of cranked tire valve easily.

And another kind of hose type connects the mini inflating pump of charging air inlet and pump connecting rod; Like No. 200420068511.9 " mini inflating pump " patent of People's Republic of China's number of patent application case; Be the previous creation of claimant; Its setting by holding device has the function that conveniently grips, and be connected valve the filling head it establishes the end that a flexible pipe can be taken in holding device, and the other end that stage operation cylinder all can superimposed income holding device.

Aforementioned mini inflating pump has flexible pipe and connects filling head and joint; And because must keep the airtight relation that gas is not leaked between flexible pipe and connecting rod, the pipe close of flexible pipe will be connected to the connecting rod inwall very closely, so flexible pipe can produce frictional force in the process of pull; But an only sheathed clasp is incorporated into flexible pipe on the pipe close between the flexible pipe of existing mini inflating pump and the pipe close; Flexible pipe perhaps use adhesive to engage, so when flexible pipe will spur pipe close and in connecting rod, relatively moves, can be because will overcome frictional force and the enough pulling force of needs of pipe close and connecting rod; And clasp is fixed the strength deficiency of flexible pipe; Make when the user spurs the filling head that can gradually flexible pipe be pulled away from pipe close, last flexible pipe just can break away from this pipe close and can't re-use.

Moreover when flexible pipe drew back, the end that flexible pipe has a pipe close can be butted on the opening inwall of this joint; Make flexible pipe to produce friction with the internal face of joint; And then make the flexible pipe attenuation and have with pipe close breaks away from and possibly take place, for the problems referred to above, urgently await the necessity that improves.

Because the disappearance of above-mentioned existing structure, the inventor is a flexible pipe combination apparatus of inventing out a kind of mini inflating pump, and it can overcome all shortcomings of above-mentioned existing structure.

Summary of the invention

The technical problem that institute of the present invention desire solves is the above-mentioned disappearance to the existing technology existence, and a kind of flexible pipe combination apparatus of mini inflating pump is provided.

Main purpose of the present invention is; Utilize this first retaining ring that flexible pipe is locked at the outer surface of this joint draw-in groove; This second retaining ring is locked this flexible pipe at the outer surface of this joint in contrast to this first retaining ring; Make flexible pipe firm be incorporated into this joint, let flexible pipe not break away from the possibility of airtight stopper.

Secondary objective of the present invention is, this second retaining ring can block in the retaining edge of pump body, avoid producing friction between the tube wall of flexible pipe and this pump body.

Another object of the present invention is to, gas-charging connection is effectively avoided pullling of gas-charging connection and charging air inlet by the flexible pipe combination apparatus, makes the charging air inlet of tire not fragile.

For achieving the above object, the technological means that the present invention adopts is following:

A kind of flexible pipe combination apparatus of mini inflating pump, drawn together: airtight stopper, it has cock body and joint, and this cock body slides is located at the air-inflating tube body interior, and this joint is convexly set in an end of this cock body, and this joint is provided with a bulge loop; Flexible pipe, it has first end and second end, and first end is fixedly arranged on gas-charging connection, and second end is sheathed on the joint of this airtight stopper, and this flexible pipe drives this airtight stopper and in the pump body, relatively moves; First retaining ring, its second end that is sheathed on this flexible pipe is with respect to the outer surface between this cock body and this bulge loop; Second retaining ring, its bulge loop of second end and this joint that is sheathed on this flexible pipe is in contrast to the outer surface of a side of this first retaining ring.

Beneficial effect of the present invention is:

1. the flexible pipe combination apparatus of mini inflating pump of the present invention; Its this first retaining ring is locked flexible pipe at the outer surface of this joint draw-in groove; This second retaining ring is locked this flexible pipe at the outer surface of this joint in contrast to this first retaining ring; Make flexible pipe firm be incorporated into this joint, let flexible pipe not break away from the possibility of airtight stopper.

2. the flexible pipe combination apparatus of mini inflating pump of the present invention, wherein this second retaining ring can block in the retaining edge of pump body, avoid producing friction between the tube wall of flexible pipe and this pump body.

3. the flexible pipe combination apparatus of mini inflating pump of the present invention, wherein gas-charging connection is effectively avoided pullling of gas-charging connection and charging air inlet by the flexible pipe combination apparatus, makes the charging air inlet of tire not fragile.

Other purpose, advantage and novel characteristics of the present invention will be more obvious with relevant accompanying drawing from following detailed description.

Description of drawings

Fig. 1: the schematic representation that is used in mini inflating pump for flexible pipe combination apparatus of the present invention.

Fig. 2: be the three-dimensional exploded view of the flexible pipe combination apparatus of mini inflating pump of the present invention.

Fig. 3: be the stereo appearance figure of mini inflating pump of the present invention.

Fig. 4: be the generalized section of mini inflating pump of the present invention.

Fig. 5: be the partial enlarged drawing of Fig. 4 of the present invention.

Fig. 6: be the continuity of Fig. 5 of the present invention, represent that the second retaining ring block is in the retaining edge.

Fig. 7: be the user mode figure of mini inflating pump of the present invention.

The primary component symbol description:

1 flexible pipe combination apparatus, 10 airtight stoppers, 11 cock bodys, 111 ring grooves

112 one-way valves, 12 joints, 121 bulge loops, 1211 bearing surfaces

1212 inclined-planes, 122 draw-in grooves 13 support wall 131 first and support edge

132 second support edge 20 flexible pipes 201 first ends 202 second ends

30 first retaining rings, 40 second retaining rings, 50 pump bodies, 51 cylinders

52 connecting rods, 53 pistons, 54 links, 541 retaining edge

55 check valves, 60 gas-charging connection T1, the first external diameter T2, second external diameter

D1 inside diameter D 2 D outer diameter calibers

Embodiment

The technology that relevant the present invention adopted, means and effect thereof, lift now that a preferred embodiment and conjunction with figs. detail as after, this only supplies the usefulness of explanation, in patent application, does not receive the restriction of this kind structure.

With reference to Fig. 1 and Fig. 2, for the flexible pipe combination apparatus of mini inflating pump of the present invention is used in the schematic representation of mini inflating pump and the three-dimensional exploded view of flexible pipe combination apparatus.Flexible pipe combination apparatus 1 of the present invention includes an airtight stopper 10, a flexible pipe 20, one first retaining ring 30 and one second retaining ring 40.Flexible pipe combination apparatus 1 connects pump body 50 and gas-charging connection 60, and this flexible pipe combination apparatus 1 scalable slip be arranged at pump body 50.

Simultaneously with reference to Fig. 3,4 and Fig. 5; This pump body 50 includes a cylinder 51 and a connecting rod 52, and these connecting rod 52 1 ends are provided with a piston 53, and the other end is provided with a connection piece 54 for these gas-charging connection 60 location; The end that this connecting rod 52 is provided with piston 53 is arranged in this cylinder 51; So that this piston 53 can be in this cylinder 51 to-and-fro motion inflating operation, and be provided with a check valve 55 between this piston 53 and this connecting rod 52, only can get into these connecting rod 52 inside with restriction gas by this cylinder 51.This link 54 is with respect to forming a retaining edge 541 in this connecting rod 52, the opening end of these retaining edge 541 contiguous these connecting rods 52.

This airtight stopper 10 has a cock body 11 and a junction 12; Be formed with one between this cock body 11 and this joint 12 and support wall 13, the both sides that should support wall 13 form one first respectively and support edge 131 and one second to edge 132, and the outer periphery of this cock body 11 have a ring groove 111; Be arranged with an one-way valve 112 on this ring groove 111; This one-way valve 112 is fastened on this and supports first of wall 13 and support edge 131, and so that this one-way valve 112 is limited to the end in contrast to this joint 12, and these one-way valve 112 outer rims are butted on the internal face of pump body 50; It is inner to flow into this pump with the restriction gas unidirectional, and can outwards not run off by the slit of 50 of this airtight stopper 10 and this pump bodies.

This joint 12 axially is convexly set in an end of this cock body 11, and this cock body 11 is a tubulose with this joint 12, and the caliber of this joint 12 is less than the caliber of this cock body 11.The outer periphery of this joint 12 are provided with a bulge loop 121; This bulge loop 121 is positioned at the neutral position of this joint 12; Make 11 of this bulge loop 121 and this cock bodys form a draw-in groove 122, these bulge loop 121 both sides are respectively a bearing surface 1211 and an inclined-plane 1212, these bearing surface 1211 contiguous these cock bodys 11; And this bearing surface 1211 makes this bulge loop 121 form the overhead kick shape to connect flexible pipe 20 perpendicular to this joint 12.

Simultaneously with reference to Fig. 2 and Fig. 3; This flexible pipe 20 has first end 201 and second end 202; First end 201 of this flexible pipe 20 is fixedly arranged on gas-charging connection 60; Make gas-charging connection 60 can be crooked these flexible pipe 20 second ends 202 are sheathed on the joint 12 of this airtight stopper 10 to be suitable for the cranked tire valve of diverse location, and the end of these flexible pipe 20 second ends 202 is fastened on this and supports second of wall 13 and support edge 132; This flexible pipe 20 is limited in the end of this airtight stopper 10 in contrast to this cock body 11; And the bulge loop 121 of this joint 12 is the overhead kick shape and colludes the inner circumference edge of being located at this flexible pipe 20, makes this flexible pipe 20 be difficult for breaking away from the joints 12 of these airtight stoppers 10, makes this flexible pipe 20 drive the relative displacements in the connecting rod 52 of this pump body 50 of this airtight stopper 10.

Simultaneously with reference to Fig. 6; Two

retaining rings

30,40 are sheathed on second end 202 of this flexible pipe 20; This first retaining ring 30 is locked flexible pipe 20 at the outer surface of this joint 12 draw-in grooves 122, and this second retaining ring 40 is locked this flexible pipe 20 at the outer surface of this joint 12 in contrast to this first retaining ring 30.

This flexible pipe 20 has one first external diameter T1; This flexible pipe 20 has one second external diameter T2 after being sheathed on the joint 12 of this airtight stopper 10; And this first and second

retaining ring

30,40 has an inside diameter D 1; The inside diameter D 1 of two

retaining rings

30,40 is greater than the first external diameter T1 of this flexible pipe 20; And the inside diameter D 1 of two

retaining rings

30,40 is sheathed on the second external diameter T2 behind the joint 12 less than this flexible pipe 20, this two

retaining ring

30,40 can be tightened flexible pipe 20 in this joint 12, and utilize two

retaining rings

30,40 can these flexible pipe 20 firm tightening be incorporated into this joint 12.This first and second retaining

ring

30,40 also has a D outer diameter 2, and has a caliber D in the pump body 50, and the D outer diameter 2 of two

retaining rings

30,40 can be arranged in this pump body 50 two

retaining rings

30,40 less than the caliber D of pump body 50.

This second retaining ring 40 is locked this flexible pipe 20 when the end of this joint 12, this second retaining ring 40 can block in the retaining edge 541 of pump body 50 neighbouring open ends, to produce friction between the tube wall that prevents flexible pipe 20 and this pump body 50.

With reference to Fig. 7, be user mode figure of the present invention.When mini inflating pump is inflated operation, connect the charging air inlet of establishing bicycle after gas-charging connection 60 pulled out, can effectively avoid pullling of gas-charging connection 60 and cranked tire valve, make charging air inlet not fragile by the elasticity of this flexible pipe 20.

Can summarize the present invention with regard to the above and have following advantage:

The above person of thought; Be merely preferred embodiment of the present invention, when can not with the scope implemented of qualification the present invention, so the displacement of the change of numerical value or equivalent elements such as; Or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that claim of the present invention is done.

Claims

1. A hose combination device for a mini pump, characterized in that it at least includes:

An airtight plug, which has a plug body and a connecting part, the plug body is slidably arranged inside the inflating tube body, the connecting part protrudes from one end of the plug body, and a protruding ring is provided on the connecting part;

A hose, which has a first end and a second end, the first end is fixed on the inflatable joint, the second end is sleeved on the connecting part of the airtight plug, and the hose drives the airtight plug in the pump body relative movement;

a first fixing ring, which is sheathed on the outer surface of the second end of the hose relative to the plug body and the convex ring;

A second fixing ring is sheathed on the second end of the hose and the outer surface of the protruding ring of the airtight plug on a side opposite to the first fixing ring.

2. The hose coupling device of the mini pump according to claim 1, wherein a slot is formed between the protruding ring and the plug body, and the first fixing ring tightens the hose to the connecting part The second fixing ring wraps the hose tightly on the end of the connecting part.

3 . The hose coupling device of the mini pump according to claim 2 , wherein the second fixing ring can stop against a stopper edge adjacent to the opening end of the pump body. 4 .

4. The hose coupling device of a mini pump according to claim 1, wherein the two sides of the protruding ring are respectively an abutting surface and an inclined surface, the abutting surface is adjacent to the plug body, and the abutting surface The plane is perpendicular to the connecting portion, and the slope is adjacent to the end of the connecting portion.

5. The hose coupling device of the mini pump according to claim 1, wherein the hose has a first outer diameter, and the hose is sleeved on the connecting portion of the airtight plug and has a second outer diameter. Outer diameter, the first outer diameter of the hose is smaller than the inner diameters of the two fixing rings, and the inner diameters of the two fixing rings are smaller than the second outer diameter of the hose sleeved on the connecting part.

6. The hose coupling device of the mini pump according to claim 5, wherein the outer diameters of the two fixing rings are smaller than the diameter of the pump body.

7 . The hose coupling device of a mini pump as claimed in claim 1 , wherein the protruding ring of the connecting portion is in the shape of a barb, hooked on the inner peripheral edge of the hose. 8 .

8. The hose coupling device of the mini pump according to claim 1, wherein the outer peripheral edge of the plug body has a ring groove, and a one-way valve is sleeved on the ring groove, and the one-way valve The valve is against the inner wall of the pump body.

9. The hose coupling device of the mini pump according to claim 8, characterized in that, a resisting wall is formed between the plug body and the connecting part, and two sides of the resisting wall are respectively formed for the one-way A first abutting edge against which the valve is fixed and a second abutting edge against which the second end of the hose is abutted.

10. The hose coupling device of a mini pump as claimed in claim 1, wherein the pump body includes a cylinder and a connecting rod, one end of the connecting rod is provided with a piston, and the other end is provided with a connecting piece, the One end of the connecting rod provided with the piston passes through the cylinder, and a check valve is provided between the piston and the connecting rod, and the connecting piece forms a retaining edge relative to the connecting rod, and the retaining edge is adjacent to the connecting rod the open end of.