阅读说明：本技术 一种汽车空气悬挂用两级压缩充气泵 (Two-stage compression inflator pump for automobile air suspension ) 是由 胡大红 于 2021-08-27 设计创作，主要内容包括：本发明提供一种汽车空气悬挂用两级压缩充气泵,涉及压缩空气供给设备技术领域,包括压缩模块和干燥模块,压缩模块包括外壳、曲轴连杆传动组件、压缩单元,外壳内设有压缩单元,压缩单元包括顶盖,压缩单元位于顶盖内,电机固定于外壳内的底面；电机传动端与曲轴连杆传动组件连接,曲轴连杆组件包括曲轴、传动连杆、活塞连杆,干燥模块包括干燥单元和电磁阀单元,干燥单元包括干燥筒1和干燥筒2；干燥模块底部设有电磁阀单元,电磁阀单元包括阀座,干燥筒1和干燥筒2内两端的通孔分别与顶盖底面的通孔和阀座凹槽相互对应,阀座内设置有空气流道,可控制气体的流向,可进行快速的增压排出,提高了设备的工作效率,布局紧凑,占地空间少。(The invention provides a two-stage compression inflator pump for automobile air suspension, which relates to the technical field of compressed air supply equipment and comprises a compression module and a drying module, wherein the compression module comprises a shell, a crankshaft connecting rod transmission assembly and a compression unit; the motor transmission end is connected with the crankshaft connecting rod transmission assembly, the crankshaft connecting rod assembly comprises a crankshaft, a transmission connecting rod and a piston connecting rod, the drying module comprises a drying unit and an electromagnetic valve unit, and the drying unit comprises a drying cylinder 1 and a drying cylinder 2; the bottom of the drying module is provided with an electromagnetic valve unit which comprises a valve seat, through holes at two ends in the drying cylinder 1 and the drying cylinder 2 respectively correspond to a through hole in the bottom surface of the top cover and a groove of the valve seat, an air flow channel is arranged in the valve seat, the flow direction of gas can be controlled, rapid pressurization discharge can be carried out, the working efficiency of equipment is improved, the layout is compact, and the occupied space is small.)

1. The utility model provides a car air suspension is with two-stage compression pump, includes compression module (11) and dry module (12), its characterized in that:

the compression module (11) comprises a shell (1), a crankshaft connecting rod transmission component (207) and a compression unit (2), a compression unit (2) is arranged in the shell (1), the compression unit (2) comprises a top cover (206), the compression unit (2) is positioned in the top cover (206), the shell (1) is internally provided with a motor (201), the motor (201) is fixed on the bottom surface in the shell (1), the transmission end of the motor (201) is connected with the crankshaft connecting rod transmission component (207), the crankshaft connecting rod assembly (207) comprises a crankshaft (202), a transmission connecting rod (203) and a piston connecting rod (204), the crankshaft (202) is movably connected with a transmission connecting rod (203), a piston connecting rod (204) is arranged on the surface of the transmission connecting rod (203), a secondary compression air pump (205) is arranged on one side of the piston connecting rod (204), and a one-way valve (5) is arranged in the top cover (206);

the drying module (12) comprises a drying unit (3) and an electromagnetic valve unit (4), wherein the drying unit (3) comprises a drying cylinder 1(301) and a drying cylinder 2 (305); the bottom of the drying module (12) is provided with an electromagnetic valve unit (4), the electromagnetic valve unit (4) comprises a valve seat (401), two ends of the drying cylinder 1(301) and the drying cylinder 2(305) are respectively fixed with the bottom surface of the top cover (206) and the top surface of the valve seat (401), through holes at two ends of the drying cylinder 1(301) and the drying cylinder 2(305) respectively correspond to through holes at the bottom surface of the top cover (206) and grooves of the valve seat (401), an air flow channel is arranged in the valve seat (401), the drying cylinder 1(301) and the drying cylinder 2(305) exchange gas through the air flow channel arranged in the valve seat (401), two sides in the valve seat (401) are fixedly provided with an air release electromagnetic valve (402) and a pressure boost electromagnetic valve (403), two sides at the bottom surface of the valve seat (401) are provided with a pressure boost interface (404) and an air charge interface (405), and a first flow pipeline (7), a second flow pipeline (7), a pressure boost electromagnetic valve (405) are fixedly arranged in the through hole at the top surface of the valve seat (401), A second flow conduit (8) and a third flow conduit (9).

2. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the surface of the air flow channel of the valve seat (401) is bonded with a sealing ring, the valve seat (401) is buckled with the planes at the bottoms of the drying cylinders 1(301) and 2(305), and the sealing ring of the valve seat (401) is sealed with the planes at the bottoms of the drying cylinders 1(301) and 2 (305).

3. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the two sets of check valves (5) are arranged, one set of check valves (5) is connected with the second flow direction pipeline (8), and the other set of check valves (5) is connected with the second-stage compression air pump (205).

4. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the through hole on the top surface of the piston connecting rod (204) corresponds to the through hole on the top of the transmission connecting rod (203), the piston connecting rod (204) is in pin joint with the transmission connecting rod (203), and one side of the piston connecting rod (204) is sleeved with one side of the secondary compression air pump (205).

5. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the first flow direction pipeline (7), the second flow direction pipeline (8) and the third flow direction pipeline (9) are fixed to the top surface through hole of the top cover (206), and one ends of the first flow direction pipeline (7) and the third flow direction pipeline (9) are sleeved with the connector of the top cover (206).

6. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the other ends of the first flow pipeline (7), the second flow pipeline (8) and the third flow pipeline (9) correspond to the grooves on the top surface of the valve seat (401).

7. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the top cap (206) top surface is fixed with connector (6), and connector (6) and second flow to pipeline (8) top surface mutually support, and connector (6) and second flow to pipeline (8) sealed.

8. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: the fixing rod (10) is arranged in the through hole in the bottom surface of the top cover (206), a thread groove is formed in the surface of one end of the fixing rod (10), the fixing rod (10) is in threaded connection with the through hole in the top surface of the top cover (206), and the fixing rod (10) is fixed to the top surface of the shell (1) and the top surface of the valve seat (401) respectively.

9. The two-stage compression inflator pump for the automobile air suspension as claimed in claim 1, wherein: be equipped with drying ring (302) in drying cylinder (301), drying ring (302) top surface is fixed with filter (303), and filter (303) and drying ring (302) surface and the inner wall of drying cylinder (301) mutually support, drying cylinder (301) internal fixation has spring (304).

Technical Field

The invention relates to the technical field of compressed air supply equipment, in particular to a two-stage compression inflator pump for automobile air suspension.

Background

The prior art uses a compressed air flow to operate a compressed air supply device of a pneumatic device, in particular an air spring device of a vehicle, preferably a passenger car, having: an air drying facility in a pneumatic main line pneumatically connecting a compressed air delivery of an air compressor and a compressed air connection to a pneumatic device; a valve device pneumatically coupled to the pneumatic main line for controlling the compressed air flow, wherein the air drying device is provided with a drying container with a container outer wall. This prior art tab divides the interior space delimited by the outer vessel wall into a first and a second chamber along the longitudinal extension of the drying vessel, wherein the first and second chambers are delimited by the tab and the outer vessel wall, and the tab is coupled to the outer vessel wall along the longitudinal extension and the first and second chambers are arranged side by side along the longitudinal extension.

Above-mentioned equipment appearance is irregular, and equipment inner space does not obtain abundant utilization, and the overall arrangement is not compact, and weight unbalance installs the shared space on the vehicle great to it is relatively poor to air compression's effect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a two-stage compression inflator pump for air suspension of an automobile, which solves the problems that the appearance of equipment is regular, the space in the equipment is fully utilized, the layout is compact, parts are uniformly distributed, the gravity center is balanced, the occupied area is small when the inflator pump is installed on the automobile, and air can be rapidly and effectively compressed.

In order to achieve the purpose, the invention is realized by the following technical scheme: a two-stage compression inflator pump for automobile air suspension comprises a compression module and a drying module,

the compression module comprises a shell, a crankshaft connecting rod transmission assembly and a compression unit, wherein the shell is internally provided with the compression unit, the compression unit comprises a top cover, the compression unit is positioned in the top cover, the shell is internally provided with a motor, the motor is fixed on the bottom surface in the shell, the transmission end of the motor is connected with the crankshaft connecting rod transmission assembly, the crankshaft connecting rod assembly comprises a crankshaft, a transmission connecting rod and a piston connecting rod, the crankshaft is movably connected with the transmission connecting rod, the surface of the transmission connecting rod is provided with the piston connecting rod, one side of the piston connecting rod is provided with a secondary compression air pump, and the top cover is internally provided with a one-way valve;

the drying module comprises a drying unit and an electromagnetic valve unit, wherein the drying unit comprises a drying cylinder 1 and a drying cylinder 2; the drying module is characterized in that an electromagnetic valve unit is arranged at the bottom of the drying module and comprises a valve seat, two ends of the drying cylinder 1 and two ends of the drying cylinder 2 are respectively fixed with the bottom surface of the top cover and the top surface of the valve seat, through holes in the two ends of the drying cylinder 1 and the drying cylinder 2 respectively correspond to through holes in the bottom surface of the top cover and grooves in the valve seat, an air flow channel is arranged in the valve seat, the drying cylinder 1 and the drying cylinder 2 exchange gas through the air flow channel arranged in the valve seat, an air release electromagnetic valve and a pressure boost electromagnetic valve are fixed on two sides in the valve seat, a pressure boost connector and an air charge connector are arranged on two sides of the bottom surface of the valve seat, and a first flow pipeline, a second flow pipeline and a third flow pipeline are fixed in the through holes in the top surface of the valve seat.

Preferably, the check valves are divided into two groups, one group of check valves is connected with the second flow direction pipeline, and the other group of check valves is connected with the second-stage compression air pump.

Preferably, the through hole on the top surface of the piston connecting rod corresponds to the through hole on the top of the transmission connecting rod in position, the piston connecting rod is in pin joint with the transmission connecting rod, and the piston connecting rod is in sleeve joint with one side of the secondary compression air pump.

Preferably, the first flow direction pipeline, the second flow direction pipeline and the third flow direction pipeline are fixed at through holes on the top surface of the top cover, and one ends of the first flow direction pipeline and the third flow direction pipeline are sleeved at a joint of the top cover.

Preferably, the other ends of the first flow conduit, the second flow conduit and the third flow conduit correspond to the grooves on the top surface of the valve seat.

Preferably, the top surface of the top cover is fixed with a connector, the connector is matched with the top surface of the second flow direction pipeline, and the connector and the second flow direction pipeline are sealed.

Preferably, a fixing rod is arranged in the through hole in the bottom surface of the top cover, a thread groove is formed in the surface of one end of the fixing rod, the fixing rod is in threaded connection with the through hole in the top surface of the top cover, and the fixing rod is fixed with the top surface of the shell and the top surface of the valve seat respectively.

Preferably, a drying ring is arranged in the drying cylinder, a filter plate is fixed on the top surface of the drying ring, the surface of the filter plate and the surface of the drying ring are matched with the inner wall of the drying cylinder, and a spring is fixed in the drying cylinder.

The working principle is as follows: when the device works, the motor is started to rotate, the crankshaft is an eccentric shaft and is fixed with the working end of the motor, so that when the motor works, the transmission connecting rod can eccentrically rotate, the piston connecting rod is in pin joint with the transmission connecting rod, one side of the transmission connecting rod is in sleeve joint with the second-stage compression air pump, the crankshaft drives the transmission connecting rod to rotate so as to drive the piston connecting rod, the transmission connecting rod drives the piston connecting rod to reciprocate so as to realize air compression, air enters from the connector on the top surface of the second flow pipeline and enters into the second flow pipeline along the connector, the second flow pipeline is connected with the groove on the top surface of the valve seat, the air respectively enters into the first flow pipeline and the second flow pipeline along the groove through the valve seat control valve, the air enters into the second-stage compression air pump, and one group of check valves arranged in the top cover ensures that the air can only flow into the second-stage compression air pump from the groove, the gas can not flow out from the pipeline, the other group ensures that the gas can only flow out from the pipeline and can not flow back to the second-stage compression air pump from the pipeline, the second-stage compression air pump is formed by a first-stage compression air cylinder and a second-stage compression air cylinder, the gas is compressed by the first-stage compression air cylinder and then enters the second-stage compression air cylinder for secondary compression, the gas is effectively compressed by the secondary compression, the compressed gas is transferred to a drying unit through a valve seat, the drying unit is divided into two groups, the gas is filtered by a drying ring and a filter plate of the first group and then enters a drying ring and a filter plate of the second group, a third flow pipeline is connected with a suspended outlet of a top cover, a part of the treated gas is discharged from the suspended outlet along the third flow pipeline, the rest gas returns to the drying unit from the suspended outlet in a gas original flow way, and a pneumatic deflation valve is opened to be discharged from a connector through the second flow pipeline, the moisture of dry granule is taken away to the air in the gassing process from the drying unit in, it is inefficacy never to make dry granule recycle, pressure boost solenoid valve opens when needing quick pressure boost to inflate, gas carries out one-level compression and second grade compression in proper order, the gas that has certain pressure in the gas holder is compressed once more from flowing back income second grade compression cylinder, gas after the compression is filtered through the drying unit, hang the export with gas to the air respectively, owing to having retrieved the gas that has certain pressure in the gas holder during the mode of inflating fast increase, the second grade cylinder compression of being delivered once more is sent out, one-level compression cylinder is also at synchronous compressed gas simultaneously, consequently, it is fast than normal mode of inflating speed, thereby realize quick pressure boost and inflate the function.

The invention provides a two-stage compression inflator pump for automobile air suspension, which has the following beneficial effects:

1. the crankshaft is used as a transmission part, two groups of drying units are arranged, primary compression and secondary compression can be carried out on gas, the flow direction of the gas is controlled by the electromagnetic valve unit, the sunken areas defined by the valve seat sealing rings are all gas flow channels, the gas can realize different gas holes in flow direction by means of the sunken flow channels, the valve seat is buckled with the drying cylinder 2 through the drying cylinder 1, the sealing of the valve seat and the drying units is guaranteed, secondary drying and filtering treatment is carried out, the gas is effectively compressed and filtered, the final discharging quality of the gas is improved, rapid pressurization and discharging can be carried out, and the working efficiency of equipment is improved.

2. The invention fully utilizes the space in the equipment by uniformly distributing the parts of the equipment, has regular appearance, compact layout and balanced gravity center, and occupies small area when being installed on a vehicle.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a cross-sectional view of a solenoid valve unit of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is an internal view of the housing of the present invention;

FIG. 6 is an enlarged view of A of FIG. 5;

FIG. 7 is a view of the valve seat of the present invention;

fig. 8 is a gas path diagram of the present invention.

Wherein, 1, a shell; 2. a compression unit; 201. a motor; 202. a crankshaft; 203. a transmission connecting rod; 204. a piston connecting rod; 205. a second-stage compression air pump; 206. a top cover; 207. a crankshaft drive link assembly; 3. a drying unit; 301. a drying cylinder 1; 302. drying the ring; 303. a filter plate; 304. a spring; 305. a drying cylinder 2; 4. an electromagnetic valve unit; 401. a valve seat; 402. an air bleed solenoid valve; 403. a booster solenoid valve; 404. a pressurizing interface; 405. an inflation interface; 5. a one-way valve; 6. a connector; 7. a first flow conduit; 8. a second flow conduit; 9. a third flow direction conduit; 10. fixing the rod; 11. a compression module; 12. and (7) drying the module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 8, a two-stage compression inflator for an air suspension of a vehicle, includes a compression module 11 and a drying module 12,

the compression module 11 comprises a shell 1, a crankshaft connecting rod transmission assembly 207 and a compression unit 2, wherein the compression unit 2 is arranged in the shell 1, the compression unit 2 comprises a top cover 206, the compression unit 2 is positioned in the top cover 206, a motor 201 is arranged in the shell 1, and the motor 201 is fixed on the bottom surface in the shell 1; the transmission end of the motor 201 is connected with a crankshaft connecting rod transmission assembly 207, and the crankshaft connecting rod assembly 207 comprises a crankshaft 202, a transmission connecting rod 203 and a piston connecting rod 204; the crankshaft 202 is movably connected with a transmission connecting rod 203, a piston connecting rod 204 is arranged on the surface of the transmission connecting rod 203, the transmission end of the motor 201 drives the crankshaft 202, the crankshaft 202 drives the transmission connecting rod 203 to rotate so as to drive the piston connecting rod 204, a secondary compression air pump 205 is arranged on one side of the piston connecting rod 204, a through hole on the top surface of the piston connecting rod 204 corresponds to a through hole on the top of the transmission connecting rod 203, the piston connecting rod 204 is in pin joint with the transmission connecting rod 203, the piston connecting rod 204 is in socket joint with one side of the secondary compression air pump 205, the transmission connecting rod 203 drives the piston connecting rod 204 so as to drive the secondary compression air pump 205 to reciprocate, one-way valves 5 are arranged in a top cover 206, the one-way valves 5 are divided into two groups, one group of the one-way valves 5 is connected with a second flow pipeline 8, the other group of the one-way valves 5 is connected with the secondary compression air pump 205, when the device works, the motor 201 is started to rotate, the crankshaft 202 is an eccentric shaft and is fixed with the working end of the motor 201, therefore, when the motor 201 works, the transmission connecting rod 203 can eccentrically rotate, the piston connecting rod 204 is in pin joint with the transmission connecting rod 203, one side of the transmission connecting rod 203 is in socket joint with the secondary compression air pump 205, the crankshaft 202 drives the transmission connecting rod 203 to rotate so as to drive the piston connecting rod 204, the transmission connecting rod 203 drives the piston connecting rod 204 to reciprocate so as to realize air compression, the first flow pipeline 7, the second flow pipeline 8 and the third flow pipeline 9 are fixed at through holes on the top surface of the top cover 206, one end of the first flow pipeline 7 and one end of the third flow pipeline 9 are in socket joint with a joint of the top cover 206,

the drying module 12 comprises a drying unit 3 and an electromagnetic valve unit 4, wherein the drying unit 3 comprises a drying cylinder 1301 and a drying cylinder 2305; the bottom of the drying module is provided with an electromagnetic valve unit 4, the electromagnetic valve unit 4 comprises a valve seat 401, two ends of a drying cylinder 1301 and a drying cylinder 2305 are respectively fixed with the bottom surface of a top cover 206 and the top surface of the valve seat 401, through holes at two ends in the drying cylinder 1301 and the drying cylinder 2305 respectively correspond to a through hole at the bottom surface of the top cover 206 and a groove of the valve seat 401, an air flow passage is arranged in the valve seat 401, a sealing ring is bonded on the surface of the air flow passage of the valve seat 401, the valve seat 401 is buckled with the planes at the bottoms of the drying cylinder 1301 and the drying cylinder 2305, the sealing ring of the valve seat 401 is pressed with the planes at the bottoms of the drying cylinder 1301 and the drying cylinder 2305 to form sealing, so that the change of the gas flow direction is realized, the drying cylinder 1301 and the drying cylinder 2305 carry out gas exchange through the air flow passage arranged in the valve seat 401, a drying ring 302 is arranged in the drying cylinder 301, a filter plate 303 is fixed on the top surface of the drying ring 302, the filter plate 303 and the surface of the drying ring 302 are matched with the inner wall of the drying cylinder 301, a spring 304 is fixed in the drying cylinder 301, the gas is compressed and then transferred into the drying unit 3 through a valve seat 401, the valve seat 401 controls the flow direction of the gas, the recessed areas surrounded by the sealing rings of the valve seat 401 are all gas flow channels, the gas flows to different air holes by means of the recessed flow channels, for example, the gas flows to a drying barrel 2305 from the drying barrel 1301, the drying units 3 are divided into two groups, the gas is filtered through a first group of drying rings 302 and a first group of filter plates 303 and then enters a second group of drying rings 302 and a second group of filter plates 303, a third flow pipeline 9 is connected with a hanging outlet of a top cover 206, a part of the treated gas is discharged from the hanging outlet along a third flow pipeline 9, the rest gas returns to the drying unit 3 from the hanging outlet in a backflow way, the pneumatic air is opened and discharged from a connector 6 through a second flow pipeline 8, and the air is discharged from the drying unit 3 through a deflation valve to take away moisture of dried particles, the dried particles can be recycled without failure.

A deflation electromagnetic valve 402 and a pressurization electromagnetic valve 403 are fixed on two sides in the valve seat 401, a pressurization interface 404 and an inflation interface 405 are arranged on two sides of the bottom surface of the valve seat 401, a first flow pipeline 7, a second flow pipeline 8 and a third flow pipeline 9 are fixed in a through hole on the top surface of the valve seat 401, the other ends of the first flow pipeline 7, the second flow pipeline 8 and the third flow pipeline 9 correspond to grooves on the top surface of the valve seat 401, a connector 6 is fixed on the top surface of the top cover 206, the connector 6 is matched with the top surface of the second flow pipeline 8, the connector 6 is sealed with the second flow pipeline 8, a fixing rod 10 is arranged in the through hole on the bottom surface of the top cover 206, a thread groove is arranged on the surface of one end of the fixing rod 10, the fixing rod 10 is in threaded connection with the through hole on the top surface of the top cover 206, the fixing rod 10 is respectively fixed with the top surface of the shell 1 and the top surface of the valve seat 401, and gas enters from the connector 6 on the top surface of the second flow pipeline 8, enter into second flow to in the pipeline 8 along connector 6, second flow is to pipeline 8 and the recess of valve seat 401 top surface and is connected, gaseous through valve seat 401 control valve messenger's gas gets into first flow to pipeline 7 and second flow to pipeline 8 respectively along the recess, gaseous entering second grade compression air pump 205, through two sets of check valves 5 that are equipped with in the top cap 206, a set of assurance gas can only flow into second grade compression air pump 205 from here, can not flow from here, another group guarantees that gaseous can only flow out to the pipeline from here, can not flow back to second grade compression air pump 205 from here, second grade compression air pump 205 is that one-level compression cylinder and second grade compression cylinder constitute to pass through, compress gas through one-level compression cylinder, get into second grade compression cylinder again and carry out the secondary compression, the secondary compression can be effectual carries out compression treatment to gas.

Example two: the pressure boost solenoid valve 403 is opened when needing quick pressure boost to inflate, gas carries out one-level compression and second grade compression in proper order, the gas that has certain pressure in the gas holder is compressed once more from flowing backwards into second grade compression cylinder, gas after the compression passes through drying unit 3 and filters, hang the export with gas to the air respectively, owing to retrieve the gas that has certain pressure in the gas holder when the mode is inflated to the quick increase, send the compression of second grade cylinder once more and send out, one-level compression cylinder is also at synchronous compressed gas simultaneously, consequently, it is fast to inflate than normal mode, thereby realize quick pressure boost and inflate the function.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. However, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.