CN112576494A

CN112576494A - New energy automobile electron vacuum pump performance detection device

Info

Publication number: CN112576494A
Application number: CN202011642746.4A
Authority: CN
Inventors: 邹文强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-03-30

Abstract

The invention discloses a new energy automobile electronic vacuum pump performance detection device, and belongs to the field of vacuum pump detection equipment. The performance detection device for the electronic vacuum pump of the new energy automobile comprises a box body, detection equipment and a pump body, wherein the detection equipment is positioned in the box body, a driving motor is arranged on the side wall of the box body, a threaded rod is rotatably connected in the box body and fixedly connected with the output end of the driving motor, a fixed block is slidably connected in the box body and is in threaded connection with the threaded rod, a limiting rod is fixedly connected in the box body, and the fixed block is slidably connected with the limiting rod; according to the invention, the arrangement of the first exhaust mechanism and the air bin is convenient for pumping residual air in the output pipeline and the detection pipe into the air bin, so that the error caused by the residual air on the vacuum degree detection of the pump body is avoided, the arrangement of the sealing groove, the sealing plate and the sealing air bag is convenient for improving the sealing performance of the joint of the output pipeline and the connecting pipe, and the accuracy of the detection result is improved.

Description

New energy automobile electron vacuum pump performance detection device

Technical Field

The invention relates to the technical field of vacuum pump detection equipment, in particular to a new energy automobile electronic vacuum pump performance detection device.

Background

The vacuum boosting effect of the brake system relates to the running safety of the automobile, in the automobile brake boosting system, because the vacuum booster can not obtain vacuum or the obtained vacuum is insufficient, the boosting effect of the brake system is poor, the electric vacuum pump can monitor the vacuum degree change in the booster through the vacuum degree sensor, so that a driver can provide enough boosting effect under various working conditions, the electric automobile is driven by a motor, and a traditional engine is cancelled, so that the vacuum source is lost, namely the vacuum boosting can not be provided for an automobile brake master pump, the vacuum boosting pump of the electric automobile is generated for overcoming the defect, the vehicle-mounted power supply is adopted for providing power, the motor on the pump body is pushed to perform piston motion so as to generate vacuum, and the unique vacuum boosting effect is provided for hydraulic brake systems of various types such as electric automobiles, hybrid electric sightseeing vehicles, electric field vehicles and the like, Reliable vacuum source, thereby effectively improving the braking performance of the whole vehicle.

The electronic vacuum pump is a device which uses piezoelectric materials as power, electronization is thoroughly realized from control to driving, and an electronic integrated system completely controls the exchange and transmission of gas, so that the adjustability and the accuracy of gas transmission are realized.

Current new energy automobile electron vacuum pump performance detection device is not convenient for take out the air of vacuum pump import and vacuometer connector department, leads to vacuum degree testing result to have the error, and vacuum pump and vacuometer seam crossing take place gas leakage easily moreover, influence the testing result.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, air at a connecting port of a vacuum pump inlet and a vacuum gauge is not convenient to pump out, so that an error exists in a vacuum degree detection result, air leakage easily occurs at a joint of the vacuum pump and the vacuum gauge, and the detection result is influenced, and provides a new energy automobile electronic vacuum pump performance detection device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a new energy automobile electronic vacuum pump performance detection device comprises a box body, detection equipment and a pump body, wherein the detection equipment is positioned in the box body, a driving motor is arranged on the side wall of the box body, a threaded rod is rotatably connected in the box body and fixedly connected with the output end of the driving motor, a fixed block is slidably connected in the box body and is in threaded connection with the threaded rod, a limiting rod is fixedly connected in the box body and is in sliding connection with the limiting rod, a telescopic rod is fixedly connected on the fixed block, the telescopic end of the telescopic rod is fixedly connected with a fixed plate, a clamping mechanism is arranged on the fixed plate, a display screen is arranged on the detection equipment, a detection tube is arranged on the detection equipment, an output pipeline is arranged on the pump body and is matched with the detection tube, a connecting tube is fixedly, a chute is arranged in the connecting pipe, a sliding plate is connected in the chute in a sliding manner, an air vent is arranged on the sliding plate, a sealing rubber pad is arranged on the sliding plate, a second spring is connected between the sliding plate and the chute, a sealing air bag is arranged in the connecting pipe, an air bin is arranged on the connecting pipe, an air duct is connected between the air bin and the sealing air bag, a sealing groove is arranged in the connecting pipe, a sealing plate is connected in the sealing groove in a sliding manner, a third spring is connected between the sealing plate and the sealing groove, a steel wire rope is connected between the sealing plate and the sliding plate, the sealing plate is matched with the air duct, an air release pipe is arranged on the sealing air bag, a valve is arranged on the air release pipe, a first exhaust mechanism is arranged in the box, the box is internally and rotatably connected with a rotating shaft, a first driving mechanism for driving the first exhaust mechanism is arranged on the rotating shaft, and a transmission belt is connected between the rotating shaft and the threaded rod.

Preferably, the fixture includes limiting plate and centre gripping groove, the equal fixed connection in limiting plate and centre gripping groove is on the fixed plate, sliding connection has the supporting rod in the centre gripping inslot, the supporting rod is located the first spring of the one end fixedly connected with of centre gripping inslot, the one end fixed connection at the inner wall in centre gripping groove that the supporting rod was kept away from to first spring, the one end fixedly connected with grip block that first spring was kept away from to the supporting rod, be equipped with the handle on the grip block.

Preferably, first actuating mechanism includes the cam, the cam is located the pivot, first pump drainage mechanism includes first inflator, sliding connection has first piston in the first inflator, the first push rod of fixedly connected with on the first piston, the one end that first piston was kept away from to first push rod and the lateral wall edge sliding connection of cam, be connected with first intake pipe between first inflator and the detecting tube, be connected with first exhaust pipe between first inflator and the gas storehouse, all be equipped with the check valve on first intake pipe and the first exhaust pipe.

Preferably, the side wall of the box body is provided with a second exhaust mechanism, the output end of the second exhaust mechanism is connected into the clamping groove, and a second driving mechanism for driving the second exhaust mechanism is arranged on the threaded rod.

Preferably, second actuating mechanism includes the crank, crank fixed connection is on the threaded rod, second pump drainage mechanism includes the second inflator, sliding connection has the second piston in the second inflator, second piston lower extreme rotates and is connected with the second push rod, the one end that the second piston was kept away from to the second push rod is connected with crank rotation, be equipped with the second intake pipe on the second inflator, be connected with the second blast pipe between second inflator and the centre gripping groove, the second blast pipe is the hose, all be equipped with the check valve on second intake pipe, the second blast pipe.

Preferably, an overflow valve is arranged on the clamping groove.

Preferably, the box is internally provided with a limiting sleeve ring, the box is internally provided with a plurality of groups of guide wheels, a traction rope is connected between the clamping groove and the limiting sleeve ring, the traction rope is in sliding connection with the guide wheels, and the limiting sleeve ring is matched with the connecting pipe in position.

Preferably, the box side wall is hinged to a box door, the box door is rotatably connected with a clamping groove, the box side wall is fixedly connected with a buckle, and the clamping groove is matched with the buckle.

Preferably, the side wall of the box body is provided with a transparent window, and the position of the transparent window is matched with that of the display screen.

Preferably, bottom half fixedly connected with shock attenuation groove, sliding connection has the bracing piece in the shock attenuation groove, the one end fixedly connected with fourth spring that the bracing piece is located the shock attenuation inslot, the one end fixed connection that the bracing piece was kept away from to the fourth spring is at the inner wall in shock attenuation groove, the one end fixedly connected with backup pad of fourth spring is kept away from to the bracing piece.

Compared with the prior art, the invention provides a new energy automobile electronic vacuum pump performance detection device, which has the following beneficial effects:

1. the performance detection device for the electronic vacuum pump of the new energy automobile comprises a pump body, a fixing plate, a telescopic rod, a driving motor, a transmission belt, a rotating shaft, a first exhaust mechanism, a sealing rubber pad, a second exhaust mechanism, a clamping mechanism, a first exhaust mechanism, a second exhaust mechanism, a third exhaust mechanism, a fourth exhaust mechanism, a fifth exhaust mechanism, a sixth exhaust mechanism, a fifth exhaust mechanism, a connecting rod and a connecting pipe, output pipeline can promote the slide and extrude the second spring along the spout, meanwhile, the slide passes through wire rope pulling closing plate and slides in the seal groove, the air duct is opened, the gas of overstocked in the gas storehouse is discharged into sealed gasbag along the air duct and is swelled sealed the gap between connecting pipe and output pipeline with sealed gasbag, close driving motor and start the relevant data that testing equipment detected and reachd to the pump body and show on the display screen, detect and open the valve after accomplishing and discharge gas in the sealed gasbag along the disappointing pipe, start driving motor antiport, the threaded rod drives the fixed block and removes to the direction of keeping away from testing equipment, separate the pump body and testing equipment, meanwhile, the second spring promotes the slide and resets, the third spring promotes the closing plate and resets and reset, the third spring promotes the closing plate and

2. this new energy automobile electron vacuum pump performance detection device, through handle pulling grip block messenger holding rod to the centre gripping inslot slide, place the pump body between grip block and limiting plate, first spring promotes the holding rod and then makes the grip block cooperation limiting plate carry out the centre gripping to the pump body fixed.

3. This new energy automobile electron vacuum pump performance detection device drives first piston through cam, first push rod and reciprocates in first inflator, with the air in detecting tube, connecting pipe, the output pipeline along first intake pipe suction in first inflator again along first exhaust pipe discharge in the gas storehouse and store.

4. According to the performance detection device for the electronic vacuum pump of the new energy automobile, the threaded rod, the crank and the second push rod drive the second piston to reciprocate in the second air cylinder, the second air cylinder sucks external air into the second air cylinder along the second air inlet pipe and then discharges the external air into the clamping groove along the second exhaust pipe, and the clamping plate is matched with the limiting plate to further clamp and fix the pump body.

5. This new energy automobile electron vacuum pump performance detection device, the atmospheric pressure that is convenient for prevent in the centre gripping groove through the setting of overflow valve is too big.

6. This new energy automobile electron vacuum pump performance detection device, the staff can make the output pipeline and the connecting pipe position phase-match of the pump body according to the height of spacing lantern ring adjustment fixed plate, and when the fixed block removed to the direction that is close to the connecting pipe, the centre gripping groove rose through the spacing lantern ring of wire rope pulling, avoided the spacing lantern ring to block the pump body and removed.

7. This new energy automobile electron vacuum pump performance detection device is convenient for seal the box through the setting of chamber door, prevents that external environment from causing the interference to the testing result, and the setting of draw-in groove and buckle is convenient for fix chamber door and box.

8. This new energy automobile electron vacuum pump performance detection device is convenient for observe the data that show on the display screen through setting up of transparent window.

9. This new energy automobile electron vacuum pump performance detection device is convenient for carry out the shock attenuation buffering to the box through the setting of shock attenuation groove, fourth spring, and the setting of bracing piece, backup pad is convenient for carry out the outrigger to the box.

The device is characterized in that the first exhaust mechanism and the gas bin are arranged to facilitate the pumping of residual air in the output pipeline and the detection pipe into the gas bin, so that the detection of the vacuum degree of the pump body by the residual air is avoided, the arrangement of the sealing groove, the sealing plate and the sealing airbag is convenient to improve the sealing performance of the joint of the output pipeline and the connection pipe, and the accuracy of the detection result is improved.

Drawings

Fig. 1 is a schematic structural diagram of a performance detection device for an electronic vacuum pump of a new energy automobile according to the present invention;

FIG. 2 is a perspective view of the performance detection device for the electronic vacuum pump of the new energy automobile, provided by the invention;

fig. 3 is an enlarged view of a part a in fig. 1 of the performance detection device for the electronic vacuum pump of the new energy automobile according to the present invention;

fig. 4 is an enlarged view of a part B in fig. 1 of the performance detection device for the electronic vacuum pump of the new energy automobile according to the present invention;

fig. 5 is an enlarged view of a part C in fig. 4 of the performance detection device for the electronic vacuum pump of the new energy automobile according to the present invention.

In the figure: 1. a box body; 101. a box door; 102. a transparent window; 2. a detection device; 201. a display screen; 202. a detection tube; 3. a drive motor; 4. a threaded rod; 401. a crank; 5. a fixed block; 501. a telescopic rod; 502. a fixing plate; 6. a pump body; 601. an output pipe; 7. a clamping groove; 701. a clamping rod; 702. a first spring; 703. a clamping plate; 704. an overflow valve; 705. a handle; 8. a connecting pipe; 801. a chute; 802. a slide plate; 803. a second spring; 804. sealing the rubber pad; 805. sealing the air bag; 806. an air escape pipe; 9. a rotating shaft; 901. a transmission belt; 902. a cam; 10. a limiting rod; 11. a first gas cylinder; 111. a first piston; 112. a first push rod; 113. a first intake pipe; 114. a first exhaust pipe; 115. a gas bin; 116. an air duct; 12. a sealing groove; 121. a sealing plate; 122. a third spring; 123. a wire rope; 13. a limiting lantern ring; 131. a guide wheel; 132. a hauling rope; 14. a damping groove; 141. a support bar; 142. a fourth spring; 143. a support plate; 15. a second gas cylinder; 151. a second piston; 152. a second push rod; 153. a second intake pipe; 154. a second exhaust pipe.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5, a new energy automobile electronic vacuum pump performance detection device, which comprises a box body 1, a detection device 2, and a pump body 6, wherein the detection device 2 is positioned in the box body 1, a driving motor 3 is arranged on the side wall of the box body 1, a threaded rod 4 is rotatably connected in the box body 1, the threaded rod 4 is fixedly connected with the output end of the driving motor 3, a fixed block 5 is slidably connected in the box body 1, the fixed block 5 is in threaded connection with the threaded rod 4, a limit rod 10 is fixedly connected in the box body 1, the fixed block 5 is in sliding connection with the limit rod 10, a telescopic rod 501 is fixedly connected on the fixed block 5, a fixed plate 502 is fixedly connected with the telescopic end of the telescopic rod 501, a clamping mechanism is arranged on the fixed plate 502, a display screen 201 is arranged on the detection device 2, a detection tube 202 is arranged on the detection device 2, a chute 801 is arranged in the connecting pipe 8, a sliding plate 802 is connected in the chute 801 in a sliding manner, a vent hole is arranged on the sliding plate 802, a sealing rubber pad 804 is arranged on the sliding plate 802, a second spring 803 is connected between the sliding plate 802 and the chute 801, a sealing air bag 805 is arranged in the connecting pipe 8, an air chamber 115 is arranged on the connecting pipe 8, an air duct 116 is connected between the air chamber 115 and the sealing air bag 805, a sealing groove 12 is arranged in the connecting pipe 8, a sealing plate 121 is connected in the sealing groove 12 in a sliding manner, a third spring 122 is connected between the sealing plate 121 and the sealing groove 12, a steel wire rope 123 is connected between the sealing plate 121 and the sliding plate 802, the sealing plate 121 is matched with the air duct 116, an air escape tube 806 is arranged on the sealing air chamber 805, a valve is arranged on, the box body 1 is rotatably connected with a rotating shaft 9, a first driving mechanism for driving the first exhaust mechanism is arranged on the rotating shaft 9, and a transmission belt 901 is connected between the rotating shaft 9 and the threaded rod 4.

The worker places the pump body 6 on the fixing plate 502, clamps and fixes the pump body 6 through the clamping mechanism, adjusts the height of the fixing plate 502 through the expansion link 501, so that the output pipeline 601 is matched with the connecting pipe 8, starts the driving motor 3, the driving motor 3 drives the rotating shaft 9 to rotate through the transmission belt 901, the rotating shaft 9 drives the first exhaust mechanism to inflate the air chamber 115 through the first driving mechanism, meanwhile, the driving motor 3 drives the fixing block 5 to move towards the direction close to the detection device 2 through the threaded rod 4, the output pipeline 601 is attached to the sliding plate 802 after sliding into the connecting pipe 8, when the two are attached, the first exhaust mechanism pumps the residual air in the output pipeline 601 and the detection pipe 202 into the air chamber 115, the sealing rubber pad 804 is arranged to increase the air tightness at the joint of the sliding plate 802 and the output pipeline 601, further, when the threaded rod 4 continues to drive the fixing block 5 to move towards the direction close to the detection device 2, the output pipeline 601 will push the sliding plate 802 to slide along the sliding groove 801 and press the second spring 803, at the same time, the sliding plate 802 pulls the sealing plate 121 to slide in the sealing groove 12 through the steel wire 123, the air duct 116 is opened, the gas accumulated in the gas bin 115 is discharged into the sealing air bag 805 along the air duct 116 to swell the sealing air bag 805 and seal the gap between the connecting pipe 8 and the output pipeline 601, the driving motor 3 is closed and the detection device 2 is started to detect the pump body 6, the related data obtained is displayed on the display screen 201, after the detection is finished, the valve is opened to discharge the gas in the sealing air bag 805 along the air release pipe 806, the driving motor 3 is started to rotate reversely, the threaded rod 4 drives the fixing block 5 to move in the direction away from the detection device 2, the pump body 6 is separated from the detection device 2, at the same time, the second spring 803 pushes the sliding plate 802 to reset, the third, through first exhaust mechanism, the setting of gas storehouse 115 is convenient for with output pipeline 601, residual air suction gas storehouse 115 in the detecting tube 202 avoids the residual gas to cause the error to the vacuum detection of the pump body 6, seal groove 12, closing plate 121, the setting of sealed gasbag 805 is convenient for improve the leakproofness of output pipeline 601 and connecting pipe 8 seam crossing, increase the accurate nature of testing result, it is fixed to be convenient for carry out the centre gripping to the pump body 6 through fixture's setting, the height of the adjustment pump body 6 of being convenient for through setting up of telescopic link 501.

Example 2:

with reference to figure 1 of the drawings, fig. 3, a new energy automobile electron vacuum pump performance detection device, basically the same as embodiment 1, further, fixture includes limiting plate and centre gripping groove 7, the equal fixed connection of limiting plate and centre gripping groove 7 is on fixed plate 502, sliding connection has clamping rod 701 in the centre gripping groove 7, clamping rod 701 is located the first spring 702 of one end fixedly connected with in centre gripping groove 7, the one end fixed connection of clamping rod 701 is kept away from to first spring 702 is at the inner wall of centre gripping groove 7, clamping rod 701 keeps away from the one end fixedly connected with grip block 703 of first spring 702, be equipped with handle 705 on the grip block 703, the staff makes clamping rod 701 slide to centre gripping groove 7 through handle 705 pulling grip block 703, place pump body 6 between grip block 703 and limiting plate, first spring 702 promotes pole 701 and then makes grip block 703 cooperate the limiting plate to carry out the centre gripping fixedly to pump body 6.

Example 3:

referring to fig. 1, 2, 4, and 5, a performance detection apparatus for an electronic vacuum pump of a new energy vehicle is substantially the same as that in embodiment 1, and further, the first driving mechanism includes a cam 902, the cam 902 is located on the rotating shaft 9, the first pumping and exhausting mechanism includes a first air cylinder 11, a first piston 111 is slidably connected in the first air cylinder 11, a first push rod 112 is fixedly connected to the first piston 111, one end of the first push rod 112, which is far away from the first piston 111, is slidably connected to a side wall edge of the cam 902, a first air inlet pipe 113 is connected between the first air cylinder 11 and the detection pipe 202, a first exhaust pipe 114 is connected between the first air cylinder 11 and the air chamber 115, one-way valves are respectively disposed on the first air inlet pipe 113 and the first exhaust pipe 114, the cam 902 drives the first piston 111 to slide in the first air cylinder 11 in a reciprocating manner through the first push rod 112, and air in the detection pipe 202, the output pipe 601, and the connection pipe 8 is pumped into the first air cylinder 11 along the first air inlet pipe 113 and then And stored in the bin 115.

Example 4:

referring to fig. 1-3, a new energy automobile electronic vacuum pump performance detection device is substantially the same as embodiment 1, and further, a second exhaust mechanism is disposed on a side wall of the box body 1, an output end of the second exhaust mechanism is connected into the clamping groove 7, a second driving mechanism for driving the second exhaust mechanism is disposed on the threaded rod 4, the second driving mechanism includes a crank 401, the crank 401 is fixedly connected to the threaded rod 4, the second exhaust mechanism includes a second air cylinder 15, a second piston 151 is slidably connected to the second air cylinder 15, a second push rod 152 is rotatably connected to a lower end of the second piston 151, one end of the second push rod 152, which is far away from the second piston 151, is rotatably connected to the crank 401, a second air inlet pipe 153 is disposed on the second air cylinder 15, a second exhaust pipe 154 is connected between the second air cylinder 15 and the clamping groove 7, the second exhaust pipe 154 is a flexible pipe, the second air inlet pipe 153, the second exhaust pipe 154 is provided with a one-way valve, the threaded rod 4 drives the second piston 151 to reciprocate in the second air cylinder 15 through the crank 401 and the second push rod 152, the second air cylinder 15 pumps outside air into the second air cylinder 15 along the second air inlet pipe 153 and then discharges the air into the clamping groove 7 along the second exhaust pipe 154, and the clamping plate 703 is matched with the limiting plate to further clamp and fix the pump body 6.

Example 5:

referring to fig. 1 and 3, a performance detection apparatus for an electronic vacuum pump of a new energy automobile is substantially the same as that in embodiment 1, and further, an overflow valve 704 is disposed on the clamping groove 7, and the overflow valve 704 is disposed so as to prevent an excessive air pressure in the clamping groove 7.

Example 6:

referring to fig. 1 and 3, a new energy automobile electronic vacuum pump performance detection device is basically the same as embodiment 1, further, a limiting collar 13 is arranged in the box body 1, a plurality of groups of guide wheels 131 are arranged in the box body 1, a traction rope 132 is connected between the clamping groove 7 and the limiting collar 13, the traction rope 132 is in sliding connection with the guide wheels 131, the limiting collar 13 is matched with the connecting pipe 8 in position, the limiting collar 13 and the connecting pipe 8 are at the same height and horizontal plane when the fixing block 5 is at an initial position, a worker can adjust the height of the fixing plate 502 according to the limiting collar 13 to enable the output pipeline 601 of the pump body 6 to be matched with the connecting pipe 8 in position, when the fixing block 5 moves towards the direction close to the connecting pipe 8, the clamping groove 7 pulls the limiting collar 13 to rise through a steel wire rope 123, and the.

Example 7:

referring to fig. 2, a new energy automobile electron vacuum pump performance detection device, basically the same with embodiment 1, further, 1 lateral wall hinge connection of box has chamber door 101, rotates on chamber door 101 and is connected with the draw-in groove, 1 lateral wall fixedly connected with buckle of box, draw-in groove and buckle phase-match, and setting up of chamber door 101 is convenient for seal 1 with box, prevents that external environment from causing the interference to the testing result, and setting up of draw-in groove and buckle is convenient for fix chamber door 101 with box 1.

Example 8:

referring to fig. 2, a new energy automobile electron vacuum pump performance detection device, is basically the same as embodiment 1, and further, a transparent window 102 is arranged on the side wall of the box body 1, the position of the transparent window 102 is matched with the display screen 201, and the arrangement of the transparent window 102 facilitates observation of data displayed on the display screen 201.

Example 9:

referring to fig. 1-2, a new energy automobile electron vacuum pump performance detection device, the same as embodiment 1, further, bottom fixedly connected with damping groove 14 of box 1, sliding connection has a bracing piece 141 in damping groove 14, one end fixedly connected with fourth spring 142 that bracing piece 141 is located damping groove 14, one end fixed connection at damping groove 14 that bracing piece 141 is kept away from to fourth spring 142 is at the inner wall of damping groove 14, one end fixedly connected with backup pad 143 that bracing piece 141 is kept away from fourth spring 142, damping groove 14, the setting of fourth spring 142 is convenient for carry out the shock attenuation buffering to box 1, bracing piece 141, the setting of backup pad 143 is convenient for carry out the outrigger to box 1.

In the invention, the arrangement of the first exhaust mechanism and the gas bin 115 is convenient for pumping the residual air in the output pipeline 601 and the detection pipe 202 into the gas bin 115 to avoid the error caused by the residual air on the detection of the vacuum degree of the pump body 6, and the arrangement of the sealing groove 12, the sealing plate 121 and the sealing air bag 805 is convenient for improving the sealing performance at the joint of the output pipeline 601 and the connecting pipe 8 and increasing the accuracy of the detection result.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a new energy automobile electron vacuum pump performance detection device, includes box (1), check out test set (2), the pump body (6), its characterized in that, check out test set (2) are located box (1), box (1) lateral wall is equipped with driving motor (3), the internal rotation of box (1) is connected with threaded rod (4), threaded rod (4) and driving motor (3)'s output fixed connection, sliding connection has fixed block (5) in box (1), fixed block (5) and threaded rod (4) threaded connection, fixed connection has gag lever post (10) in box (1), fixed block (5) and gag lever post (10) sliding connection, fixedly connected with telescopic link (501) on fixed block (5), telescopic link fixed connection fixed plate (502) of telescopic link (501), be equipped with fixture on fixed plate (502), the detection device is characterized in that a display screen (201) is arranged on the detection device (2), a detection tube (202) is arranged on the detection device (2), an output pipeline (601) is arranged on the pump body (6), the output pipeline (601) is matched with the detection tube (202), one end, far away from the detection device (2), of the detection tube (202) is fixedly connected with a connecting tube (8), a sliding groove (801) is arranged in the connecting tube (8), a sliding plate (802) is connected in the sliding groove (801), an air hole is arranged on the sliding plate (802), a sealing rubber pad (804) is arranged on the sliding plate (802), a second spring (803) is connected between the sliding plate (802) and the sliding groove (801), a sealing air bag (805) is arranged in the connecting tube (8), an air chamber (115) is arranged on the connecting tube (8), and an air duct (116) is connected between the, a sealing groove (12) is arranged in the connecting pipe (8), a sealing plate (121) is connected in the sealing groove (12) in a sliding way, a third spring (122) is connected between the sealing plate (121) and the sealing groove (12), a steel wire rope (123) is connected between the sealing plate (121) and the sliding plate (802), the sealing plate (121) is matched with the air duct (116), the air leakage pipe (806) is arranged on the sealing air bag (805), a valve is arranged on the air escape pipe (806), a first exhaust mechanism is arranged in the box body (1), the input end of the first exhaust mechanism is connected with a detection pipe (202), the output end of the first exhaust mechanism is connected with an air bin (115), a rotating shaft (9) is rotatably connected in the box body (1), a first driving mechanism for driving the first exhaust mechanism is arranged on the rotating shaft (9), and a transmission belt (901) is connected between the rotating shaft (9) and the threaded rod (4).

2. The new energy automobile electronic vacuum pump performance detection device of claim 1, characterized in that the clamping mechanism includes a limiting plate and a clamping groove (7), the limiting plate and the clamping groove (7) are both fixedly connected to the fixing plate (502), a clamping rod (701) is slidably connected to the clamping groove (7), a first spring (702) is fixedly connected to one end of the clamping rod (701) located in the clamping groove (7), one end of the first spring (702) far away from the clamping rod (701) is fixedly connected to the inner wall of the clamping groove (7), one end of the clamping rod (701) far away from the first spring (702) is fixedly connected to the clamping plate (703), and a handle (705) is arranged on the clamping plate (703).

3. The new energy automobile electronic vacuum pump performance detection device of claim 1, characterized in that the first driving mechanism includes a cam (902), the cam (902) is located on the rotating shaft (9), the first pumping and exhausting mechanism includes a first gas cylinder (11), a first piston (111) is slidably connected in the first gas cylinder (11), a first push rod (112) is fixedly connected to the first piston (111), one end of the first push rod (112) far away from the first piston (111) is slidably connected to the side wall edge of the cam (902), a first gas inlet pipe (113) is connected between the first gas cylinder (11) and the detection pipe (202), a first gas exhaust pipe (114) is connected between the first gas cylinder (11) and the gas cabin (115), and one-way valves are arranged on the first gas exhaust pipe (113) and the first gas exhaust pipe (114).

4. The performance detection device of the new energy automobile electronic vacuum pump according to claim 1, characterized in that a second exhaust mechanism is arranged on the side wall of the box body (1), the output end of the second exhaust mechanism is connected into the clamping groove (7), and a second driving mechanism for driving the second exhaust mechanism is arranged on the threaded rod (4).

5. The performance detection device of the new energy automobile electronic vacuum pump according to claim 4, the second driving mechanism comprises a crank (401), the crank (401) is fixedly connected to the threaded rod (4), the second pumping and exhausting mechanism comprises a second air cylinder (15), a second piston (151) is connected in the second air cylinder (15) in a sliding way, the lower end of the second piston (151) is rotatably connected with a second push rod (152), one end of the second push rod (152) far away from the second piston (151) is rotatably connected with a crank (401), a second air inlet pipe (153) is arranged on the second air cylinder (15), a second air outlet pipe (154) is connected between the second air cylinder (15) and the clamping groove (7), the second exhaust pipe (154) is a hose, and the second air inlet pipe (153) and the second exhaust pipe (154) are both provided with one-way valves.

6. The performance detection device of the new energy automobile electronic vacuum pump is characterized in that an overflow valve (704) is arranged on the clamping groove (7).

7. The new energy automobile electronic vacuum pump performance detection device according to claim 6, characterized in that a limit collar (13) is arranged in the box body (1), a plurality of groups of guide wheels (131) are arranged in the box body (1), a traction rope (132) is connected between the clamping groove (7) and the limit collar (13), the traction rope (132) is connected with the guide wheels (131) in a sliding manner, and the position of the limit collar (13) is matched with that of the connecting pipe (8).

8. The performance detection device for the electronic vacuum pump of the new energy automobile according to claim 1, characterized in that a box door (101) is hinged to a side wall of the box body (1), a clamping groove is connected to the box door (101) in a rotating manner, a buckle is fixedly connected to a side wall of the box body (1), and the clamping groove is matched with the buckle.

9. The performance detection device of the electronic vacuum pump of the new energy automobile according to claim 1, characterized in that a transparent window (102) is arranged on the side wall of the box body (1), and the position of the transparent window (102) is matched with the display screen (201).

10. The performance detection device for the electronic vacuum pump of the new energy automobile according to claim 1, characterized in that a damping groove (14) is fixedly connected to the bottom of the box body (1), a support rod (141) is slidably connected in the damping groove (14), a fourth spring (142) is fixedly connected to one end of the support rod (141) located in the damping groove (14), one end of the fourth spring (142) far away from the support rod (141) is fixedly connected to the inner wall of the damping groove (14), and a support plate (143) is fixedly connected to one end of the support rod (141) far away from the fourth spring (142).