CN212302291U

CN212302291U - Fault diagnosis device for electric automobile

Info

Publication number: CN212302291U
Application number: CN202021512228.6U
Authority: CN
Inventors: 林越
Original assignee: Hainan Tropical Ocean University
Current assignee: Hainan Tropical Ocean University
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-01-05
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a fault diagnosis device for electric automobile relates to the automotive diagnosis equipment field, including the installation shell, a side fixedly connected with damping device of installation shell, damping device's one end is provided with the sucking disc, and damping device includes hollow loop bar, and the inner chamber of hollow loop bar is provided with sealing piston, and sealing piston's lateral wall is connected with the inner wall laminating of hollow loop bar, and sealing piston's lateral wall bonding connection has sealed the pad, and a side middle part fixedly connected with connecting rod of sealing piston, a terminal surface middle part of hollow loop bar has seted up the through-hole. The utility model discloses an inner chamber at hollow loop bar is provided with sealing piston, and the damping hole has been seted up to sealing piston's a side, and sealing piston's both sides all are provided with reset spring, and relative slip between sealing piston and the hollow loop bar can receive the damping action, therefore damping device wholly has the cushioning effect to can avoid the diagnostic apparatus in the installation shell impaired because of vibrations.

Description

Fault diagnosis device for electric automobile

Technical Field

The utility model relates to an automobile diagnosis equipment field, in particular to a fault diagnosis device for electric automobile.

Background

The automobile diagnosis instrument is a professional instrument specially aiming at automobile detection, can detect the performance of a vehicle in real time and detect the fault of the vehicle, is a necessary tool for detecting the vehicle, and an automobile non-disassembly detection and diagnosis workstation is an innovation in the development process of the automobile detection and maintenance industry, is the integration of modern automobile maintenance and detection technology, is another major technical innovation and breakthrough in the process of reaching the international leading level of the technology, and represents the development direction of the new technology of the Chinese automobile maintenance detection and non-disassembly diagnosis. At present, the existing fault diagnosis device for the electric automobile is generally placed at a certain position on the automobile, when the automobile runs on a bumpy road, the generated vibration can damage a diagnosis instrument, and the device is not stable enough after being integrally installed and is easy to fall off.

Therefore, it is necessary to invent a fault diagnosis apparatus for an electric vehicle to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fault diagnosis device for electric automobile to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fault diagnosis device for an electric automobile comprises an installation shell, wherein a damping device is fixedly connected to one side face of the installation shell, a sucker is arranged at one end of the damping device, the damping device comprises a hollow loop bar, a sealing piston is arranged in an inner cavity of the hollow loop bar, the side wall of the sealing piston is connected with the inner wall of the hollow loop bar in a laminating manner, a sealing gasket is connected with the side wall of the sealing piston in a bonding manner, a connecting rod is fixedly connected to the middle of one side face of the sealing piston, a through hole is formed in the middle of one end face of the hollow loop bar, one end of the connecting rod penetrates through the through hole and extends to the outer side of the hollow loop bar, one end of the connecting rod is fixedly connected with the middle of the sucker, a sealing gasket is connected to the inner wall of the through hole in a bonding manner, reset springs, the two ends of the reset spring are respectively fixedly connected with the inner wall of the hollow sleeve rod and the sealing piston, and a damping hole is formed in one side face of the sealing piston.

Preferably, the damping device is provided with a plurality of, a plurality of damping device is in the rectangular array distribution of a side face of installation shell.

Preferably, the damping holes are arranged in a plurality and distributed in an annular array on one side surface of the sealing piston.

Preferably, a groove is formed in one end face of the connecting rod, a vent hole is formed in the middle of the inner wall of the sucker, and the vent hole is communicated with the inner cavity of the groove.

Preferably, the inner cavity of the groove is provided with a one-way valve matched with the groove, and one end of the inner side wall of the groove is provided with a plurality of air holes distributed in an annular array.

Preferably, the outer side of one end of the connecting rod is fixedly sleeved with an annular plate, and one side face of the annular plate is fixedly connected with a thrust spring.

Preferably, one end of the thrust spring is fixedly connected with a compression ring, and the compression ring is attached to the edge of the outer side face of the sucker.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with sealed piston at the inner chamber of hollow loop bar, a damping hole has been seted up to a side of sealed piston, and the both sides of sealed piston all are provided with reset spring, and the relative slip between sealed piston and the hollow loop bar can receive the damping action, therefore damping device wholly has the cushioning effect, thereby can avoid the diagnostic apparatus in the installation shell to damage because of vibrations;

2. the utility model discloses an inner chamber at the recess is provided with the check valve, the one end outside fixedly connected with annular slab of connecting rod, a side fixedly connected with thrust spring of annular slab, the one end fixedly connected with clamping ring of thrust spring, thrust spring provides thrust make the sucking disc and the car equipment surface between closely laminate, the setting of check valve can prevent that the outside air from getting into the sucking disc inner chamber, consequently the sucking disc can closely adsorb on the car equipment surface after with the air escape of inner chamber, has avoided this device whole emergence to drop.

Drawings

Fig. 1 is the whole structure half-section schematic diagram of the utility model.

Fig. 2 is a schematic structural section view of the damping device of the present invention.

Fig. 3 is a schematic sectional view of the connecting rod structure of the present invention.

In the figure: 1. mounting a shell; 2. a damping device; 3. a suction cup; 4. a hollow loop bar; 41. a through hole; 5. a sealing piston; 6. a connecting rod; 7. a return spring; 8. a damping hole; 9. a groove; 10. a vent; 11. a one-way valve; 12. air holes; 13. an annular plate; 14. a thrust spring; 15. and (5) pressing a ring.

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.

The utility model provides a fault diagnosis device for electric automobile as shown in fig. 1-3, as shown in fig. 1, including installation shell 1, a side fixedly connected with damping device 2 of installation shell 1, damping device 2 is provided with a plurality ofly, and a plurality of damping device 2 are personally submitted the rectangular array and are distributed in one side of installation shell 1, and damping device 2's one end is provided with sucking disc 3, installs the diagnostic apparatus body in the inner chamber of installation shell 1, through the surface of adsorbing sucking disc 3 at the equipment in the car, can fix installation shell 1.

As shown in fig. 2, the damping device 2 includes a hollow loop bar 4, a sealing piston 5 is disposed in an inner cavity of the hollow loop bar 4, the sealing piston 5 can slide in the inner cavity of the hollow loop bar 4, a side wall of the sealing piston 5 is attached to an inner wall of the hollow loop bar 4, a side wall of the sealing piston 5 is connected to a sealing gasket in an adhering manner, the sealing gasket is disposed to improve the sealing performance between the side wall of the sealing piston 5 and the inner wall of the hollow loop bar 4, a connecting rod 6 is fixedly connected to a middle portion of a side surface of the sealing piston 5, a through hole 41 is disposed in a middle portion of an end surface of the hollow loop bar 4, one end of the connecting rod 6 penetrates through the through hole 41 and extends to an outer side of the hollow loop bar 4, one end of the connecting rod 6 is fixedly connected to a middle portion of the suction cup 3, a sealing gasket is connected to an inner, the inner cavity of the hollow loop bar 4 still keeps a sealed state, two sides of the sealing piston 5 are both provided with reset springs 7, the two reset springs 7 are both positioned in the inner cavity of the hollow loop bar 4, two ends of the reset springs 7 are respectively fixedly connected with the inner wall of the hollow loop bar 4 and the sealing piston 5, the reset springs 7 can restore the sealing piston 5 after the sealing piston 5 slides, one side surface of the sealing piston 5 is provided with a plurality of damping holes 8, the plurality of damping holes 8 are distributed on one side surface of the sealing piston 5 in an annular array manner, when the sealing piston 5 slides, air in the inner cavities at two ends of the hollow loop bar 4 is exchanged through the damping holes 8, because the damping holes 8 have small aperture and limited air flow speed, the sliding of the sealing piston 5 can be damped, therefore, the sealing piston 5, the reset springs 7 and the damping holes 8 are mutually matched to enable the whole damping device 2 to have a damping effect, thereby preventing the diagnostic instrument in the mounting case 1 from being damaged by vibration.

As shown in fig. 3, a groove 9 is formed in one end face of a connecting rod 6, a vent 10 is formed in the middle of the inner wall of a sucker 3, the vent 10 is communicated with the inner cavity of the groove 9, a check valve 11 matched with the groove 9 is arranged in the inner cavity of the groove 9, the check valve 11 enables air in the groove 9 to flow only in a single direction, a plurality of air holes 12 distributed in an annular array are formed in one end of the inner side wall of the groove 9, an annular plate 13 is fixedly sleeved on the outer side of one end of the connecting rod 6, a thrust spring 14 is fixedly connected to one side face of the annular plate 13, a pressing ring 15 is fixedly connected to one end of the thrust spring 14, the pressing ring 15 is connected to the edge of the outer side face of the sucker 3 in an attaching manner to attach the sucker 3 to the surface of an automobile device, then the connecting rod 6 is pressed to enable air in the sucker 3 to be discharged to the outside, 3 inner chamber volume increases of sucking disc this moment, and the atmospheric pressure in the sucking disc 3 reduces, therefore sucking disc 3 can be inseparable absorption on the surface of car equipment under the effect of negative pressure, and the installation is simple convenient, and thrust spring 14 provides thrust and makes clamping ring 15 extrude the edge of sucking disc 3 to can prevent that the edge of sucking disc 3 from producing the separation with the car equipment surface and leading to the inner chamber of air admission sucking disc 3, consequently can effectively prevent that sucking disc 3 from taking place to drop.

The utility model discloses the theory of operation:

when the device is used, the diagnostic device body is installed in the inner cavity of the installation shell 1, then the sucker 3 is attached to the surface of the automobile equipment, the installation shell 1 is pressed to enable air in the sucker 3 to be discharged to the outside through the air port 10, the groove 9 and the air hole 12, then the installation shell 1 is loosened, the thrust spring 14 provides thrust to drive the installation shell 1 to be far away from the automobile equipment, at the moment, the volume of the inner cavity of the sucker 3 is increased, air pressure in the sucker 3 is reduced, therefore, the sucker 3 can be tightly adsorbed on the surface of the automobile equipment under the action of negative pressure, the installation is simple and convenient, the thrust spring 14 provides thrust to enable the compression ring 15 to extrude the edge of the sucker 3, the phenomenon that the air enters the inner cavity of the sucker 3 due to the fact that the separation is generated between the edge of the sucker 3 and;

when this device receives vibrations, sealed piston 5 takes place to slide, and the air of hollow loop bar 4 both ends inner chamber exchanges through damping hole 8, because damping hole 8 aperture is less, and air flow velocity is limited, consequently sealed piston 5's slip can receive damped effect, consequently sealed piston 5, reset spring 7 and damping hole 8 mutually support and make damping device 2 whole have absorbing effect to avoid the diagnostic apparatus in the installation shell 1 impaired because of vibrations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A failure diagnosis device for an electric vehicle, comprising a mounting case (1), characterized in that: the damping device is characterized in that a damping device (2) is fixedly connected to one side face of the mounting shell (1), a sucker (3) is arranged at one end of the damping device (2), the damping device (2) comprises a hollow loop bar (4), a sealing piston (5) is arranged in an inner cavity of the hollow loop bar (4), the side wall of the sealing piston (5) is connected with the inner wall of the hollow loop bar (4) in a laminating manner, a sealing gasket is connected with the side wall of the sealing piston (5) in a bonding manner, a connecting rod (6) is fixedly connected to the middle of one side face of the sealing piston (5), a through hole (41) is formed in the middle of one end face of the hollow loop bar (4), one end of the connecting rod (6) penetrates through the through hole (41) and extends to the outer side of the hollow loop bar (4), one end of the connecting rod (6) is fixedly connected with the middle of the, the both sides of sealed piston (5) all are provided with reset spring (7), two reset spring (7) all are located the inner chamber of hollow loop bar (4), reset spring's (7) both ends respectively with the inner wall and sealed piston (5) fixed connection of hollow loop bar (4), damping hole (8) have been seted up to a side of sealed piston (5).

2. The failure diagnosis device for an electric vehicle according to claim 1, wherein: the damping device (2) is provided with a plurality of, and a plurality of damping device (2) are in rectangular array distribution at the side of installation shell (1).

3. The failure diagnosis device for an electric vehicle according to claim 2, wherein: the damping holes (8) are arranged in a plurality, and the damping holes (8) are distributed in an annular array on one side surface of the sealing piston (5).

4. A failure diagnosis apparatus for an electric vehicle according to claim 3, characterized in that: a groove (9) is formed in one end face of the connecting rod (6), a vent hole (10) is formed in the middle of the inner wall of the sucker (3), and the vent hole (10) is communicated with an inner cavity of the groove (9).

5. The failure diagnosis device for an electric vehicle according to claim 4, wherein: the inner cavity of the groove (9) is provided with a one-way valve (11) matched with the groove (9), and one end of the inner side wall of the groove (9) is provided with a plurality of air holes (12) distributed in an annular array.

6. The failure diagnosis device for an electric vehicle according to claim 5, wherein: the fixed cover in one end outside of connecting rod (6) has connect annular plate (13), a side fixedly connected with thrust spring (14) of annular plate (13).

7. The failure diagnosis device for an electric vehicle according to claim 6, wherein: one end fixedly connected with clamping ring (15) of thrust spring (14), clamping ring (15) is connected with the lateral surface edge laminating of sucking disc (3).