CN214944817U

CN214944817U - Vacuum pump for car with automated inspection velocity of flow function

Info

Publication number: CN214944817U
Application number: CN202121418233.5U
Authority: CN
Inventors: 韦黎敏; 韦梅芳
Original assignee: Jiangsu Meihua Machinery Co ltd
Current assignee: Jiangsu Meihua Machinery Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-30
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a vacuum pump technical field just discloses a vacuum pump for car with automated inspection velocity of flow function, including the vacuum pump body, vacuum pump body front end sets up the admission valve. This vacuum pump for car with automated inspection velocity of flow function, rotate in step when the turbine blade rotates through the lantern ring, the lantern ring rotates and drives the latch of installing in lantern ring lateral wall, the latch rotates the gear that makes the meshing, simultaneously the tachometer input begins work under the gear drive, and further detect by the tachometer, the beneficial effect of improving the comprehensive detection of detection precision assurance has been reached, the air current concentrates to the aviation baffle inboard to pass when passing through the aviation baffle through the air current, the air current passes the turbine blade and drives the blade rotation this moment, further air current further water conservancy diversion with the disorder when the turbine blade rotates, the air current moves ahead with the spiral inside the admission valve this moment via the turbine blade rotation, reached can not disturb the beneficial effect of air current flow direction when detecting.

Description

Vacuum pump for car with automated inspection velocity of flow function

Technical Field

The utility model relates to a vacuum pump technical field specifically is a vacuum pump for car with automated inspection velocity of flow function.

Background

For a diesel engine driven vehicle, because the engine is of a compression ignition type, the engine cannot provide vacuum pressure at the same level at the branch of the intake air, which requires a vacuum pump capable of providing a vacuum source, and the engine designed for achieving certain environmental requirements of vehicle emission also requires the engine to provide a sufficient vacuum source to ensure the normal operation of the vehicle.

Present vacuum pump need detect the velocity of flow in order to guarantee whether up to standard at the during operation, but only detect certain area in the pipeline when detecting the velocity of flow at present, because the air current instability is stronger, it is not accurate enough to detect data, thereby current detection device can disturb the interior air current direction of vacuum pump when detecting simultaneously, leads to the air current disorder to influence vacuum pump output.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a vacuum pump for car with automated inspection velocity of flow function possesses to improve and detects the precision and guarantee to detect comprehensively, can not disturb advantages such as air current flow direction when detecting, has solved above-mentioned technical problem.

(II) technical scheme

For realize above-mentioned improvement detect the precision guarantee detect comprehensively, can not disturb the air current flow direction purpose when detecting, the utility model provides a following technical scheme: the utility model provides a vacuum pump for car with automated inspection velocity of flow function, includes the vacuum pump body, vacuum pump body front end sets up the admission valve, the inboard middle part of admission valve sets up the aviation baffle, the aviation baffle middle-end sets up the turbine leaf, the lantern ring is connected to the turbine leaf lateral wall, the lantern ring lateral wall sets up the ball, the lantern ring antetheca sets up the latch, latch meshing gear, the tachometer is connected to the gear axle center.

Preferably, admission valve threaded connection is in vacuum pump body input antetheca, admission valve front end swing joint engine, admission valve and engine junction outer wall set up the sealing ring.

Through above-mentioned technical scheme, through screwing up the admission valve and being fixed in vacuum pump body input, the admission valve is made for the software material simultaneously, makes vacuum pump body possess certain elasticity when butt joint engine intake pipe, prevents that the engine from overheating conducting to vacuum pump body and then arousing not hard up the dropout.

Preferably, the number of the air deflectors is two, the two air deflectors are symmetrically arranged at the front end and the rear end of the turbine blade, the side wall of the turbine blade is connected with the inner wall of the air inlet valve, and the turbine blade is rotatably connected to the inner side wall of the air inlet valve.

Through above-mentioned technical scheme, through the vacuum pump body during operation air current from admission valve department flow, further when the air current is advancing the aviation baffle, because the aviation baffle cross-section is right trapezoid and inclined plane one side is outwards, make the air current concentrate to the aviation baffle inboard and pass, the air current passes the turbine leaf and drives the blade rotation this moment, the turbine leaf is the common inclined plane blade in market, further when the turbine leaf rotates further water conservancy diversion with turbulent air current, air current advances with the spiral in admission valve inside this moment via the turbine leaf is rotatory, the air current offset loss has been reduced.

Preferably, the lantern ring runs through in the admission valve lateral wall, lantern ring inner wall connection turbine blade tail end, the ball sets up in lantern ring front and back wall and is connected in the admission valve inner wall.

Through above-mentioned technical scheme, rotate in step when the turbine blade rotates through the lantern ring, further reduce the friction when rotating because the ball rolls the messenger lantern ring simultaneously to the lantern ring is located inside the sealing ring, prevents that the air current from following the lantern ring and admitting valve lateral wall junction and overflowing.

Preferably, the latch is arranged in order and is installed in the lantern ring lateral wall, the latch rotates with the gear to be connected, the gear sets up in the admission valve lateral wall, the gear side meshes in the latch.

Through above-mentioned technical scheme, rotate through the lantern ring and drive and install in the latch of lantern ring lateral wall, the latch lasts to rotate further makes the gear rotation of meshing this moment, because the gear sets up in the admission valve lateral wall and is located the sealing ring equally inboard, has guaranteed admission valve leakproofness.

Preferably, the input end of the tachometer is connected with the axis of the gear, and the tachometer is arranged on the side wall of the air inlet valve and is positioned on the front wall of the gear.

Through above-mentioned technical scheme, rotate under the lantern ring drives through the gear, the tachometer input begins work under the gear drives simultaneously to further detect by the tachometer, the tachometer has equipment for having in the market at present simultaneously.

Compared with the prior art, the utility model provides a vacuum pump for car with automated inspection velocity of flow function possesses following beneficial effect:

1. this vacuum pump for car with automated inspection velocity of flow function rotates in step when the turbine blade rotates through the lantern ring, and the lantern ring rotates and drives the latch of installing in lantern ring lateral wall, and the latch lasts to rotate further makes the gear rotation of meshing this moment, and the tachometer input begins work under the gear drive simultaneously to further detect by the tachometer, reached and improved the beneficial effect that detects the precision assurance comprehensive detection.

2. This vacuum pump for car with automated inspection velocity of flow function, it flows from the admission valve to be at the during operation air current through the vacuum pump body, further when the air current is advancing the aviation baffle, because the aviation baffle cross-section is right trapezoid and inclined plane one side is towards outside, make the air current concentrate to the aviation baffle inboard and pass, the air current passes the turbine blade and drives the blade rotation this moment, further when the turbine blade rotates further water conservancy diversion with disorderly air current, the air current advances with the spiral in admission valve inside this moment via the turbine blade is rotatory, the air current offset loss has been reduced, reached and can not disturb the beneficial effect of air current flow direction when detecting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the overall structure of the present invention;

fig. 3 is a schematic side sectional view of the intake valve structure of the present invention.

Wherein: 1. a vacuum pump body; 2. an intake valve; 201. a seal ring; 3. an air deflector; 4. a turbine blade; 5. a collar; 501. a ball bearing; 6. clamping teeth; 7. a gear; 8. a tachometer; 9. an engine.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an automobile vacuum pump with automatic flow rate detection function includes a vacuum pump body 1, an air inlet valve 2 is disposed at the front end of the vacuum pump body 1, an air deflector 3 is disposed at the middle of the inner side of the air inlet valve 2, a turbine blade 4 is disposed at the middle end of the air deflector 3, the side wall of the turbine blade 4 is connected to a lantern ring 5, a ball 501 is disposed on the side wall of the lantern ring 5, a latch 6 is disposed on the front wall of the lantern ring 5, the latch 6 is engaged with a gear 7, and the axis of the gear 7 is connected to a tachometer 8.

Specifically, 2 threaded connection of admission valve in the 1 input antetheca of vacuum pump body, 2 front end swing joint engines 9 of admission valve, 2 and the engine 9 junction outer walls of admission valve set up sealing ring 201, the advantage is fixed in 1 input of vacuum pump body through screwing up admission valve 2, and admission valve 2 is made for the software material simultaneously, makes vacuum pump body 1 possess certain elasticity when butt joint engine 9 intake pipe, prevents that engine 9 from overheating and conducting to vacuum pump body 1 and then arousing not hard up and drop.

Specifically, 3 quantity of aviation baffles are two, 3 symmetries of two aviation baffles are installed in 4 front and back ends of turbine leaf and lateral wall and are connected 2 inner walls of admission valve, turbine leaf 4 rotates and connects in 2 inside walls of admission valve, the advantage is that the air current flows from admission valve 2 department at the during operation through vacuum pump body 1, further when the air current is advancing aviation baffle 3, because 3 cross-sections of aviation baffle are right trapezoid and inclined plane one side is towards outside, make the air current concentrate to 3 inboard passages of aviation baffle, the air current passes turbine leaf 4 and drives the blade rotation this moment, turbine leaf 4 is the common inclined plane blade in market, further with the further water conservancy diversion of turbulent air current when turbine leaf 4 rotates, the air current advances with the spiral in 2 insides of admission valve through turbine leaf 4 is rotatory this moment, the air current offset loss has been reduced.

Specifically, lantern ring 5 runs through in admission valve 2 lateral wall, and lantern ring 5 inner wall connection turbine leaf 4 tail end, ball 501 set up in lantern ring 5 preceding back wall and be connected in admission valve 2 inner wall, and the advantage rotates when turbine leaf 4 rotates through lantern ring 5 synchronization, simultaneously because ball 501 rolls makes lantern ring 5 further reduce the friction when rotating to lantern ring 5 is located inside sealing ring 201, prevents that the air current from lantern ring 5 and admission valve 2 lateral wall junction from spilling over.

Specifically, latch 6 is arranged in order and is installed in lantern ring 5 lateral wall, and latch 6 rotates with gear 7 to be connected, and gear 7 sets up in 2 lateral walls of admission valve, and the gear 7 side meshes in latch 6, and the advantage rotates through lantern ring 5 and drives the latch 6 of installing in 5 lateral walls of the lantern ring, and latch 6 continuously rotates this moment and further makes the gear 7 of meshing rotate, because gear 7 sets up in 2 lateral walls of admission valve and also lies in sealing ring 201 inboardly, has guaranteed admission valve 2 leakproofness.

Specifically, gear 7 axle center is connected to the tachometer 8 input, and tachometer 8 sets up in 2 lateral walls of admission valve and lie in the 7 antethecas of gear, and the advantage is driven down the rotation at lantern ring 5 through gear 7, and the tachometer 8 input begins work under gear 7 drives simultaneously to further detect by tachometer 8, tachometer 8 has had equipment for the market at present simultaneously.

When the vacuum pump is used, when the vacuum pump body 1 works, airflow flows from the air inlet valve 2, further when the airflow passes through the air deflector 3, the cross section of the air deflector 3 is in a right trapezoid shape, one side of an inclined plane faces outwards, the airflow is concentrated to the inner side of the air deflector 3 to pass through, at the moment, the airflow passes through the turbine blade 4 and drives the blade to rotate, the turbine blade 4 is a common inclined plane blade in the market, further, the turbulent airflow is further guided when the turbine blade 4 rotates, the airflow advances in the air inlet valve 2 in a spiral mode when the turbine blade 4 rotates, the opposite impact loss of the airflow is reduced, the lantern ring 5 synchronously rotates when the turbine blade 4 rotates, the lantern ring 5 rotates to drive the latch 6 arranged on the outer side wall of the lantern ring 5, at the moment, the latch 6 continuously rotates to further enable the meshed gear 7 to rotate, and the gear 7 is arranged on the side wall of the air inlet valve 2 and also located on the inner side of the sealing ring 201, the tightness of the inlet valve 2 is ensured.

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.

Claims

1. The utility model provides a vacuum pump for car with automated inspection velocity of flow function, includes vacuum pump body (1), its characterized in that: the vacuum pump is characterized in that an air inlet valve (2) is arranged at the front end of a vacuum pump body (1), an air deflector (3) is arranged in the middle of the inner side of the air inlet valve (2), a turbine blade (4) is arranged at the middle end of the air deflector (3), the side wall of the turbine blade (4) is connected with a sleeve ring (5), a ball (501) is arranged on the side wall of the sleeve ring (5), a latch (6) is arranged on the front wall of the sleeve ring (5), the latch (6) is meshed with a gear (7), and the axis of the gear (7) is connected with a tachometer (8).

2. The vacuum pump for automobile with automatic flow rate detection function as claimed in claim 1, wherein: admission valve (2) threaded connection is in vacuum pump body (1) input antetheca, admission valve (2) front end swing joint engine (9), admission valve (2) and engine (9) junction outer wall set up sealing ring (201).

3. The vacuum pump for automobile with automatic flow rate detection function as claimed in claim 1, wherein: the number of the air deflectors (3) is two, the two air deflectors (3) are symmetrically arranged at the front end and the rear end of the turbine blade (4) and the side wall of the turbine blade is connected with the inner wall of the air inlet valve (2), and the turbine blade (4) is rotatably connected to the inner side wall of the air inlet valve (2).

4. The vacuum pump for automobile with automatic flow rate detection function as claimed in claim 1, wherein: the lantern ring (5) runs through in admission valve (2) lateral wall, lantern ring (5) inner wall connection turbine leaf (4) tail end, ball (501) set up in lantern ring (5) front and back wall and are connected in admission valve (2) inner wall.

5. The vacuum pump for automobile with automatic flow rate detection function as claimed in claim 1, wherein: latch (6) are arranged in order and are installed in lantern ring (5) lateral wall, latch (6) are rotated with gear (7) and are connected, gear (7) set up in admission valve (2) lateral wall, gear (7) side meshing in latch (6).

6. The vacuum pump for automobile with automatic flow rate detection function as claimed in claim 1, wherein: gear (7) axle center is connected to tachometer (8) input, tachometer (8) set up in admission valve (2) lateral wall and are located gear (7) antetheca.