CN208885465U - A kind of improved vehicle-carried double-cylinder inflating pump - Google Patents

Abstract

A kind of improved vehicle-carried double-cylinder inflating pump, including the pump housing are equipped with motor placed cavity, the first linkage chamber, the second linkage chamber, first piston chamber, second piston chamber in the pump housing, and gas outlet is connected to external；The shaft of dual-axle motor two sides is respectively protruding into the first linkage chamber and the second linkage chamber, and is separately connected the first crank and the second crank by offset assembly plate, and the piston of the first crank and the second crank end is respectively placed in first piston chamber and second piston chamber；The offset assembly plate is equipped with the shaft hole with outer end outline, and the eccentric orfice for assembling crank is additionally provided on the offset assembly plate；Interior pad is equipped in the shaft hole.Double-cylinder inflating pump in the utility model, air pressure supply is sufficient when work, while compact overall structure.The setting padded in simultaneously makes it at work can adapt to the slightly deviation of crank automatically, it is uneven to reduce additional adjustment, while having good noise reduction effect, improve the service life of equipment.

Description

A kind of improved vehicle-carried double-cylinder inflating pump

Technical field

The utility model belongs to vehicle-mounted inflation pump technical field, and in particular to a kind of improved vehicle-carried double-cylinder inflating pump.

Background technique

With the development of economy, logistics is more and more flourishing, travels automobile carrier on highway also increasingly mistake.Truck In the process of moving, when encountering the bad road of road conditions can there is a situation where sharp objects to puncture tire, need to carry out tire patching operation, Conventional tire patching operation needs to go the car repair shop of profession to carry out, and time-consuming, and cannot many times find automobile dimension at once Repair shop.

Tire protection agent is commonly called as mending agent/tyre repairing fluid, is a kind of containing there are many mixture of macromolecule chemical material, fits For various electric vehicles, motorcycle and large, medium and small automobile rubber tire, there is relatively good effect to the tire acanthopore of small-bore, Mending agent emergency processing can be used after tire is pricked, can continue to travel thousands of kilometers after general processing, in the meantime in can be with It is repaired to maintenance store.

Mending agent containing there are many mixtures of macromolecule chemical material, needs to borrow when in use vehicle-mounted inflation as a kind of Pump is driven into tire.Currently, the structure of most vehicle-mounted inflator pump is simple, atmospheric pressure is limited, while worked Vibration and noise are big in journey, and user experience is bad.In addition, the piston of inflator pump, piston ring, connecting rod are in continuous reciprocatory movement In, it is easy to produce deviation, is easy to cause the adjustment of piston and cylinder inner wall uneven, causes to wear over time, causes to inflate Pump pressure reduces, service life reduces, and increases energy consumption.

Therefore, for above some problems, the utility model has carried out some improvement to inflator pump in the prior art.

Utility model content

For the above deficiency in the prior art, the utility model provides a kind of improved vehicle-carried double-cylinder inflating pump, knot Structure is compact, and power is good, while stable low noise, long service life.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.

A kind of improved vehicle-carried double-cylinder inflating pump, including the pump housing are equipped with motor placed cavity in the pump housing, which places In chamber be equipped with dual-axle motor, the two sides of the motor placed cavity be respectively equipped with the first linkage chamber and second linkage chamber, described first The top of linkage chamber and the second linkage chamber is respectively equipped with first piston chamber and second piston chamber, and gas outlet is connected to outside；It is described The first rotating shaft of dual-axle motor two sides and the second shaft are respectively protruding into the first linkage chamber and the second linkage chamber, and pass through bias Component palette is separately connected the first crank and the second crank, and the piston of first crank and the second crank end is respectively placed in first In plunger shaft and second piston chamber；The outer end of the first rotating shaft and the second shaft be equipped with oppositely arranged the first section with Second section, the offset assembly plate are equipped with the shaft hole with outer end outline, are additionally provided on the offset assembly plate For assembling the eccentric orfice of crank；Interior pad is equipped in the shaft hole.

In the application, using the air pump structure of two-cylinder type, pressure is powerful, and volumetric efficiency is high.Simultaneously in the application Crank junction uses the structure of offset assembly plate, easy to assembly, compact-sized, passes through oppositely arranged the first section and the Two sections, when motor works can compression piston chamber by turns, power foot.Meanwhile interior pad is equipped in shaft hole, which can be by It is slightly compressed and restore, make to correct bent in the course of work with the offset of product slightly between shaft and offset assembly plate Deviation between handle component and shaft makes service life of equipment it is possible to prevente effectively from the adjustment of piston and cylinder inner wall is uneven It is long, while vibration can be absorbed in interior pad, overall noise is small.

Preferably, the position that the first rotating shaft and the second shaft are pierced by motor placed cavity is equipped with positioning bearing, use It is positioned in shaft, guarantees stability when work.

Preferably, one end of the dual-axle motor is fixed on master positioning frame, make fixation, will not generate additional Offset and vibration.

Preferably, the offset assembly plate is equipped with the pin hole for fixed rotating shaft, it is equipped with bolt in the pin hole, is used for Shaft is resisted to be fixed.

Preferably, the interior pad is two circles, the inner wall both ends of shaft hole are symmetrically set in, structure is simple, can produce one A little deformation adapt to the deviation of crank automatically, guarantee the normal work of equipment.

Preferably, being equipped with crank-pin, the end of crank and the crank pin connection in the eccentric orfice.

Preferably, the bottom of the pump housing is equipped with height-adjustable feet, it is convenient to place, and has buffering and shock preventing effect Fruit.

Compared with prior art, it is filled the utility model has the following beneficial effects: providing a kind of improved vehicle-carried twin-tub Air pump, air pressure supply is sufficient when work, while compact overall structure.The setting padded in simultaneously fit it can automatically at work The slightly deviation for answering crank, it is uneven to reduce additional adjustment, while having good noise reduction effect, improves the longevity of equipment Life.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the double-cylinder inflating pump in the utility model.

Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1.

Fig. 3 is the schematic diagram of the dual-axle motor in the utility model.

Fig. 4 is the front view of the offset assembly plate in the utility model.

Fig. 5 is the side view cutaway drawing of the offset assembly plate in the utility model.

Fig. 6 is the elevational cross-sectional view of the offset assembly plate in the utility model.

Fig. 7 is the schematic diagram after offset assembly plate and bolt assembly.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Referring to attached drawing 1 to attached drawing 7, a kind of improved vehicle-carried double-cylinder inflating pump involved in the utility model, including the pump housing 1, the bottom of the pump housing 1 is equipped with height-adjustable feet 16, is equipped with motor placed cavity 15 in the pump housing 1, which puts It sets and is equipped with dual-axle motor 3 in chamber 15, the two sides of the motor placed cavity 15 are respectively equipped with the first linkage chamber 11 and the second linkage chamber 12, it is described first linkage chamber 11 and second linkage chamber 12 top be respectively equipped with first piston chamber 13 and second piston chamber 14, out Port is connected to outside；The first rotating shaft 31 and the second shaft 32 of 3 two sides of dual-axle motor are respectively protruding into the first linkage chamber 11 and second in linkage chamber 12, and is separately connected the first crank 21 and the second crank 22 by offset assembly plate 4, and described first is bent The piston of 22 end of handle 21 and the second crank is respectively placed in first piston chamber 13 and second piston chamber 14.

In the application, the outer end of the first rotating shaft 31 and the second shaft 32 is equipped with the first oppositely arranged section 311 and second section 321, the offset assembly plate 4 be equipped with the shaft hole 42 with outer end outline, the offset assembly Be additionally provided with the eccentric orfice 43 for assembling crank on plate 4, be equipped with crank-pin 221 in the eccentric orfice 43, the end of crank with should Crank-pin 221 connects；Interior pad 47 is equipped in the shaft hole 42, the interior pad 47 is two circles, is symmetrically set in the interior of shaft hole 42 Wall both ends.In addition, the offset assembly plate 4 is equipped with the pin hole 44 for fixed rotating shaft, bolt 41, dress are equipped in the pin hole 44 The timing bolt 41 resists shaft and is fixed.

In addition, the first rotating shaft 31 and the second shaft 32 are pierced by the position of motor placed cavity 15 in the utility model Guarantee stability when work, also, one end of the dual-axle motor 3 for positioning to shaft equipped with positioning bearing 18 33 are fixed on master positioning frame 17, make fixation, will not generate additional offset and vibration.

In the application, the conventional connection hands such as unspecified connection type can be threadedly coupled, weld, snapping connection Section.Dual-axle motor 3 in the application is linked into vehicle power supply by electric wire to be used, and electrical connection and control mode are conventional knot Structure and technology.In addition, the attachmentes such as escape pipe in the application are the structure on conventional vehicle-mounted inflator pump, no longer it is described in detail.

In the application, using the air pump structure of two-cylinder type, pressure is powerful, and volumetric efficiency is high.Simultaneously in the application Crank junction uses the structure of offset assembly plate 4, easy to assembly, compact-sized, passes through the first oppositely arranged section 311 With the second section 321, compression piston chamber by turns when alloing the motor work, to play stable complete machine motion state, reduce The effect of impact, can efficiently inflate and noise-and-vibration-reduction, power are sufficient.Meanwhile interior pad 47, the interior pad are equipped in shaft hole 42 47 can be rubber pad or plastic mattress etc., can be slightly compressed and restore, making can be with product between shaft and offset assembly plate 4 Offset slightly can correct the deviation in the course of work between crank assemblies and shaft, it is possible to prevente effectively from piston and cylinder The adjustment of inner wall is uneven, keeps service life of equipment long, while vibration can be absorbed in interior pad, and overall noise is small.

The above, the utility model provide a kind of improved vehicle-carried double-cylinder inflating pump, and air pressure supply is sufficient when work, Compact overall structure simultaneously.The setting padded in simultaneously makes it at work can adapt to the slightly deviation of crank automatically, reduce volume Outer adjustment is uneven, while having good noise reduction effect, improves the service life of equipment.

The protection scope of the utility model includes but is not limited to embodiment of above, and the protection scope of the utility model is to weigh Subject to sharp claim, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that are each fallen within The protection scope of the utility model.

Claims (7)

1. a kind of improved vehicle-carried double-cylinder inflating pump, including the pump housing (1), which is characterized in that put in the pump housing (1) equipped with motor Chamber (15) are set, are equipped with dual-axle motor (3) in the motor placed cavity (15), the two sides of the motor placed cavity (15) are respectively equipped with the The top of one linkage chamber (11) and the second linkage chamber (12), first linkage chamber (11) and the second linkage chamber (12) is respectively equipped with First piston chamber (13) and second piston chamber (14), gas outlet are connected to outside；The first rotating shaft of dual-axle motor (3) two sides (31) it is respectively protruding into the second shaft (32) into the first linkage chamber (11) and the second linkage chamber (12), and passes through offset assembly plate (4) the first crank (21) and the second crank (22), the work of first crank (21) and the second crank (22) end are separately connected Plug is respectively placed in first piston chamber (13) and second piston chamber (14)；

The outer end of the first rotating shaft (31) and the second shaft (32) is equipped with oppositely arranged the first section (311) and second Section (321), the offset assembly plate (4) are equipped with the shaft hole (42) with outer end outline, the offset assembly plate (4) eccentric orfice (43) for assembling crank is additionally provided on；Interior pad (47) is equipped in the shaft hole (42).

2. a kind of improved vehicle-carried double-cylinder inflating pump according to claim 1, which is characterized in that the first rotating shaft (31) The position for being pierced by motor placed cavity (15) with the second shaft (32) is equipped with positioning bearing (18).

3. a kind of improved vehicle-carried double-cylinder inflating pump according to claim 1, which is characterized in that the dual-axle motor (3) One end (33) be fixed on master positioning frame (17).

4. a kind of improved vehicle-carried double-cylinder inflating pump according to claim 1, which is characterized in that the offset assembly plate (4) it is equipped with the pin hole (44) for fixed rotating shaft, is equipped with bolt (41) in the pin hole (44).

5. a kind of improved vehicle-carried double-cylinder inflating pump according to claim 1, which is characterized in that the interior pad (47) is two Circle, is symmetrically set in the inner wall both ends of shaft hole (42).

6. a kind of improved vehicle-carried double-cylinder inflating pump according to claim 1, which is characterized in that in the eccentric orfice (43) Equipped with crank-pin (221), the end of crank is connect with the crank-pin (221).

7. a kind of improved vehicle-carried double-cylinder inflating pump according to any one of claims 1 to 6, which is characterized in that the pump The bottom of body (1) is equipped with height-adjustable feet (16).