CN207931895U - Pump-up device built in a kind of hand-operated bicycle - Google Patents

Abstract

The utility model discloses pump-up devices built in a kind of hand-operated bicycle, including saddle support tube, inflator outer shell, steam hose, pipe fixing bracket, air injection opening and baroceptor, inflator outer shell is equipped in the saddle support tube saddle support tube, it is equipped with push rod between the outer inside wall of cylinder of inflator, push rod, which is equipped with, replys backing plate, push rod periphery is equipped with spring, cam is equipped with above push rod, the shaft front end of cam is equipped with bent axle crank, inflator outer shell lower end is equipped with Unidirectional air inlet valve, inflator outer shell bottom is equipped with gas outlet, gas outlet lower end is equipped with steam hose, pipe fixing holder is equipped on the right side of saddle support tube, steam hose end is equipped with air injection opening, baroceptor is equipped in air injection opening.The utility model can simplify device as power plant using cam engagement bent axle crank and improve efficiency, and piston adapting device is placed in saddle support tube internal segment save space, and can control tire pressure with baroceptor when inflating ensures safety.

Description

Pump-up device built in a kind of hand-operated bicycle

Technical field

The utility model is related to a kind of bicycle accessories, pump-up device built in specifically a kind of hand-operated bicycle.

Background technology

Bicycle is a kind of vehicles being widely used.Because with green energy conservation, convenient and efficient and health environment-friendly The advantages that, the consumer that bicycle all endures always each age level to the fullest extent is liked.With being gradually increased for nowadays quality of life, people For health attention degree it is higher and higher, the demand of bicycle is also increasing, especially as outdoor sports lie fallow Professional bicycle mountain bike and highway car.

When people carry out outdoor pleasure trip on foot, the problem of being forgotten when being frequently encountered trip to inflation of tire, the air pressure of tire Deficiency can lead to problems such as to ride, and laborious, tire wear is larger and damping effect is poor.

In existing technology, the portable tire pump of bicycle mostly uses individual small inflator, is pacified by fixing device It is placed on bicycle, because of connection type activity, is easy by the poor adult of innocent children or some public spirit It is not convenient enough when taking away, while can cause to ride when placing, the easy comfort for influencing to ride.

Invention content

The purpose of this utility model is to provide pump-up devices built in a kind of hand-operated bicycle, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions：

Pump-up device built in a kind of hand-operated bicycle, including saddle support tube, inflator outer shell, steam hose, pipeline are solid Determine frame, air injection opening and baroceptor, saddle support tube upper end is provided with saddle, is provided on the right side of the saddle support tube Back rest frame is provided with inflator outer shell in the pipeline of the saddle support tube, is slided in the cavity between the outer inside wall of cylinder of the inflator Agree with and be provided with push rod, the push rod upper end is provided with reply backing plate, and the push rod periphery is provided with spring, the push rod top It is provided with cam, the shaft front end of the cam is located at welding on front side of the saddle supporting rod and is provided with bent axle crank, the gas Cylinder outer shell lower end is provided with Unidirectional air inlet valve, and the inflator outer shell bottom center is provided with gas outlet, the gas outlet lower end It is connected with steam hose, the saddle support tube outer right wall riveting is provided with pipe fixing holder, the steam hose end End is connected with air injection opening, is disposed in the air injection opening and is provided with baroceptor.

As further program of the utility model：The inflator outer shell is metal cylinder body, the outer wall of the inflator outer shell It is welded and fixed with the inner wall of the saddle support tube.

As further program of the utility model：The push rod is the alloy cylinder that lower end is fixed with rubber washer, The push rod and the inflator outer shell form piston cooperation.

As further program of the utility model：It is provided with centered on the reply backing plate and the push rod size same holes Metal disk, the reply backing plate centre bore is sleeved on push rod periphery upper end and is welded and fixed with the push rod.

As further program of the utility model：The spring be located at the inflator outer shell and the reply backing plate it Between.

As further program of the utility model：The cam is the sharp cam of the larger one end camber line of one end circular arc, The cam is arranged by shaft bias radial rotating in the saddle support tube internal upper part, the lower cam end and the push rod Upper end activity fitting.

As further program of the utility model：The Unidirectional air inlet valve and inflator outer shell junction are equipped with Returning spring.

As further program of the utility model：Pipe fixing holder rotating bar with by torsionspring connects A pair of of arc panel composition, a pair of of arc panel of the pipe fixing holder is rotatablely connected by rotating bar and acted in torsionspring Lower opposite fitting.

As further program of the utility model：The air injection opening inner wall is tapped, is equipped in the air injection opening single To the check valve of outlet, the internal thread of the air injection opening and the hole of inflating of tire cooperate.

Compared with prior art, the utility model has the beneficial effects that：The utility model uses cam engagement bent axle crank It can simplify device as power plant and improve efficiency, can under any circumstance be completed to tire using hand shaken mode It inflates, it is simple in structure easy to use, it is not easily susceptible to influence under different outdoor situations；Piston adapting device is placed in saddle Support tube internal segment save space, is not exposed to outside and is easily lost, and does not interfere with riding usually.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of pump-up device built in hand-operated bicycle.

Fig. 2 is the structural schematic diagram of inflator in pump-up device built in a kind of hand-operated bicycle.

In figure：1- saddle support tubes, 2- saddles, 3- back rest frames, 4- inflator outer shells, 5- push rods, 6- reply backing plate, 7- bullets Spring, 8- cams, 9- bent axle cranks, 10- Unidirectional air inlet valves, the gas outlets 11-, 12- steam hoses, 13- pipe fixing holders, 14- Air injection opening, 15- baroceptors.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, the range that subordinate protects in the utility model.

Please refer to Fig.1~2, in the utility model embodiment, pump-up device built in a kind of hand-operated bicycle, including saddle Support tube 1, inflator outer shell 4, steam hose 12, pipe fixing bracket 13, air injection opening 14 and baroceptor 15, the saddle support 1 upper end of pipe is provided with saddle 2, and 1 right side of the saddle support tube is provided with back rest frame 3, in the pipeline of the saddle support tube 1 It is provided with inflator outer shell 4, the inflator outer shell 4 is metal cylinder body, the outer wall of the inflator outer shell 4 and the saddle support tube 1 Inner wall be welded and fixed, in the cavity between 4 inner wall of inflator outer shell sliding agree with and be provided with push rod 5, under the push rod 5 is End is fixed with the alloy hollow cylinder of rubber washer, and the push rod 5 and the inflator outer shell 4 form piston cooperation, described to push away 5 upper end of bar, which is provided with, replys backing plate 6, and the round metal with 5 size same holes of the push rod is provided with centered on the reply backing plate 6 Piece, 6 centre bore of reply backing plate is sleeved on the peripheral upper end of the push rod 5 and is welded and fixed with the push rod 5, outside the push rod 5 It encloses and is provided with spring 7, the spring 7 is between the inflator outer shell 4 and the reply backing plate 6, and the push rod 5 is in the gas When being moved downward in the inner cavity of cylinder outer shell 4, the reply backing plate 6 is driven to move downward simultaneously, the reply backing plate 6 compresses described Spring 7, when the external force for pushing the push rod 5 to move downward reduces, the spring 7 gradually restores shape and pushes the reply Backing plate 6 drives the push rod 5 to move upwards, and 5 top of the push rod is provided with cam 8, and the cam 8 is one end circular arc larger one The cam for holding camber line sharp, the cam 8 are arranged by shaft bias radial rotating in 1 internal upper part of saddle support tube, institute The 5 upper end activity fitting of 8 lower end of cam and the push rod is stated, when the cam 8 rotates, with the cam 8 and the push rod 5 Contact, the push rod 5 can be pushed to move downward, the shaft front end of the cam 8 is located at 1 front side weldering of the saddle supporting rod It connects and is provided with bent axle crank 9, the bent axle crank 9 drives the cam 8 to rotate when rotating, 4 lower end of the inflator outer shell setting There is Unidirectional air inlet valve 10, when the push rod 5 moves upwards pumping, the Unidirectional air inlet valve 10 opens up, described unidirectional Air intake valve 10 and 4 junction of inflator outer shell are equipped with returning spring, and when being evacuated completion, the push rod 5 moves downward out Beginning inflates, and the Unidirectional air inlet valve 10 is closed at this time, and 4 bottom center of inflator outer shell is provided with gas outlet 11, described to push away Bar 5, which moves downward, pushes air be discharged from the gas outlet 11 and inflate to tire, and 11 lower end of the gas outlet connects and sets It is equipped with steam hose 12,1 outer right wall of the saddle support tube riveting is provided with pipe fixing holder 13, the pipe fixing holder 13 A pair of of arc panel that rotating bar connects with by torsionspring forms, and a pair of of arc panel of the pipe fixing holder is by turning Lever is rotatablely connected and the opposite fitting under torsionspring effect, after force opens the arc panel opposing end portions of geometrical clamp 13, energy Enough to be clamped to steam hose 12 on the side wall of the saddle support tube 1,12 end of the steam hose is connected with Air injection opening 14,14 inner wall of the air injection opening is tapped, and the check valve of unidirectional outlet, the gas injection are equipped in the air injection opening 14 The internal thread of mouth 14 and the hole of inflating of tire cooperate, and are disposed in the air injection opening 14 and are provided with baroceptor 15, described Baroceptor 15 is using conventional model, and the baroceptor 15 can be when the air injection opening 14 and tire interface be inflated The feedback pressure in tire can be incuded and embody, so as to avoid tire over inflation from causing danger.

The operation principle of the utility model is：Bicycle usually in use, the steam hose 12 of inflator is passed through Pipe fixing holder 13 is fixed on saddle support tube 1, does not interfere with normal cycling, when under-inflation, It removes steam hose 12 and agrees with the hole of inflating of air injection opening 14 and tire, shake with hands bent axle crank 9, bent axle crank at this time 9 rotation band moving cam 8 rotates, and when the protrusion part of cam 8 and the contact of push rod 5, push rod 5 drives reply backing plate 6 to transport downwards Dynamic, the air in 5 compressed gas cylinder outer shell 4 of push rod is entered by gas outlet 11 in steam hose 12 is inflated to tire, at this time It replys backing plate 6 to compress spring 7, continues turning crankshaft crank 9, when the short arc part of cam 8 is gradual and push rod 5 contacts, bullet Spring 7 gradually restores shape, and spring 7 pushes reply backing plate 6 to be moved upwards with push rod 5, and Unidirectional air inlet valve 10 is because of inflator at this time It the relatively low inside opening of air pressure and is admitted air among the cavity of inflator outer shell 4 in the cavity of outer shell 4, in lasting rotation gradually It completes and inflates to tire, the baroceptor 15 on air injection opening 14 can monitor the air pressure of tire when inflating, and can keep away Danger caused by exempting from over inflation.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (9)

1. pump-up device built in a kind of hand-operated bicycle, including saddle support tube, inflator outer shell, steam hose, pipeline are fixed Frame, air injection opening and baroceptor, which is characterized in that saddle support tube upper end is provided with saddle, the saddle support tube Right side is provided with back rest frame, inflator outer shell is provided in the pipeline of the saddle support tube, the inflator is outside between the inside wall of cylinder Sliding, which agrees with, in cavity is provided with push rod, and the push rod upper end is provided with reply backing plate, and the push rod periphery is provided with spring, institute It states and is provided with cam above push rod, the shaft front end of the cam, which is located on front side of the saddle supporting rod to weld, to be provided with bent axle and shake , inflator outer shell lower end is provided with Unidirectional air inlet valve, the inflator outer shell bottom center is provided with gas outlet, it is described go out Gas port lower end is connected with steam hose, and the saddle support tube outer right wall riveting is provided with pipe fixing holder, described logical Gas hose end is connected with air injection opening, is disposed in the air injection opening and is provided with baroceptor.

2. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the inflator outer shell For metal cylinder body, the inner wall of the outer wall of the inflator outer shell and the saddle support tube is welded and fixed.

3. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that under the push rod is End is fixed with the alloy cylinder of rubber washer, and the push rod and the inflator outer shell form piston cooperation.

4. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the reply backing plate Centered on be provided with metal disk with the push rod size same holes, the reply backing plate centre bore is sleeved on outside the push rod and places It holds and is welded and fixed with the push rod.

5. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the spring is located at Between the inflator outer shell and the reply backing plate.

6. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the cam is one The cam for holding the larger one end camber line of circular arc sharp, the cam are arranged by shaft bias radial rotating in the saddle support tube Internal upper part, the lower cam end and push rod upper end activity fitting.

7. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the one-way air inlet Valve and inflator outer shell junction are equipped with returning spring.

8. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that the pipeline is fixed It presss from both sides a pair of of arc panel that rotating bar connects with by torsionspring to form, a pair of of arc panel of the pipe fixing holder passes through Rotating bar is rotatablely connected and the opposite fitting under torsionspring effect.

9. pump-up device built in a kind of hand-operated bicycle according to claim 1, which is characterized in that in the air injection opening Wall is tapped, is equipped with the check valve of unidirectional outlet in the air injection opening, and the internal thread of the air injection opening and tire inflate hole It cooperates.