Air tightness detection device for shock absorber of front fork of electric vehicle

Abstract

The utility model discloses an electric vehicle front fork damper airtightness detection device comprising a housing, the front side surface of the housing is connected with a lifting block in an up-down sliding manner, the front side surface of the lifting block is provided with a lifting plate, and the upper side surface of the lifting plate is provided with a plurality of groups of fixing assemblies. The fixing assembly comprises a limiting block arranged on the upper side face of the lifting plate and a limiting plate connected to the lifting plate in an up-down sliding mode, the limiting block and the limiting plate are both semicircular and can be matched to form a circular ring, and the shock absorber is inserted into the inner side of the limiting block and the inner side of the limiting plate. The shock absorbers make contact with the limiting blocks and the inner side faces of the limiting plates, limiting pins are inserted into the front side faces of the lifting plates, one ends of the limiting pins penetrate through the limiting plates to be inserted into the inner sides of the lifting plates, and a clamping assembly and a detection assembly are arranged above each fixing assembly. A lifting assembly for driving the lifting block to slide up and down is arranged on the front side of the lifting plate; the shock absorber detection device has the advantage that the stability of the shock absorber during detection is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric motor car front fork air tightness detection technical field relates to a shock absorber air tightness detection device of electric motor car front fork. BACKGROUND

[0002] The shock absorber is installed at the front fork position of most electric motor cars, and the shock absorber used on the electric motor car is mostly an oil spring shock absorber, the shock absorber can not only provide comfortable riding experience for the rider, but also can avoid the serious damage of the axle of the electric motor car when the electric motor car runs on the bumpy road, so the good and bad of the shock absorber can guarantee the safety of the rider, which requires that the air tightness of the shock absorber must be qualified.

[0003] The utility model discloses a shock absorber air tightness detection device for electric motor car front fork production, including base, support and clamping device, support and clamping device set up on base still include inflation joint and booster pump, the base is fixedly connected with the limit seat, the inflation joint can be up and down sliding and is arranged at the bottom of support and is located the just above of limit seat, the rubber sealing plug is fixedly connected on the bottom of inflation joint, the sidewall of inflation joint is fixedly connected with the air inlet pipe, the air inlet pipe is hard guide pipe, the air inlet pipe is located close to the end position and is provided with solenoid valve, the air inlet pipe is located between solenoid valve and inflation joint and is provided with air pressure sensor, still include controller, the controller is electrically connected with air pressure sensor and is used for receiving and displaying the detection information of air pressure sensor, the controller is electrically connected with booster pump and solenoid valve to realize the control of inflation and deflation, this technical scheme sets up inflation joint and booster pump, can fill high pressure gas in the shock absorber cylinder body, monitors the pressure maintaining state through air pressure sensor, can control inflation and deflation and pressure maintaining time simultaneously, but the fixing effect of the shock absorber of this technical scheme is limited, and the shock absorber can be moved during detection, thereby affecting the detection effect. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a shock absorber air tightness detection device of electric motor car front fork, which well solves the problems in the prior art.

[0005] In order to achieve the above object, the utility model discloses the technical scheme as follows: A shock absorber airtight detection device of electric motor car front fork, including the casing, the casing front side upper and lower sliding connection has the lifting block, the lifting block front side is provided with the lifting plate, the lifting plate upper side is provided with a plurality of fixed components, the fixed component includes the limiting block on the lifting plate upper side and the limiting plate that upper and lower sliding connection is on the lifting plate, the limiting block with the limiting plate are all half ring, and the limiting plate and limiting block can cooperate and form a circular ring, and the shock absorber is inserted in the inner side of limiting block and limiting plate, and the inner side of shock absorber and limiting block and limiting plate contact, the lifting plate front side is inserted with the limiting pin, the limiting pin one end passes through the limiting plate and is inserted in the inner side of lifting plate, and each group the fixed component top is provided with a group of clamping components and detection components,

[0006] The lifting plate front side is provided with lifting assembly that drives the lifting block to slide up and down.

[0007] Further, the detection component includes the connecting block set on the front side of the casing, the electric telescopic rod set on the front side of the connecting block and the detection connector set on the output end of the electric telescopic rod, the electric telescopic rod front side is provided with the mounting plate, the mounting plate front side is provided with the air pressure sensor, the mounting plate upper side is provided with the warning light, the air pressure sensor is electrically connected with the warning light, the air pressure sensor and the detection connector are provided with the first air pipe communication, the casing rear side is provided with the booster pump, the booster pump and the detection connector are provided with the second air pipe communication.

[0008] Further, the detection connector lower side is provided with the stepped groove, and the stepped groove side is provided with the sealing pad in contact with the side surface of the shock absorber.

[0009] Further, the clamping component includes two air cylinders symmetrically arranged on the front side of the lifting plate, and the output ends of the two air cylinders are symmetrically provided with arc-shaped fixed clamping blocks, and the inner side surfaces of the fixed clamping blocks are provided with rubber layers in contact with the outer side surfaces of the shock absorbers.

[0010] Further, the lifting assembly includes a lead screw and a lead screw motor arranged on the front side of the casing, the lead screw motor is connected to one end of the lead screw, and the lifting block is threadedly connected to the lead screw.

[0011] Further, the rear side of the casing is hinged with a cabinet door, and the booster pump is located on the inner side of the cabinet door.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] This utility model achieves multi-level fixation of the shock absorber through limiting blocks, limiting plates, limiting pins, and clamping components, ensuring the stability of the shock absorber within the airtightness testing device. The testing component enables airtightness testing of the shock absorber, improving the work efficiency of personnel in testing the airtightness of the shock absorber. The lifting component enables the lifting of the shock absorber, improving the convenience of personnel in testing the airtightness of the shock absorber. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This utility model Figure 1 The front view.

[0016] In the diagram: 1. Housing; 2. Shock absorber; 3. Connecting block; 4. Electric telescopic rod; 5. Mounting plate; 6. Warning light; 7. Air pressure sensor; 8. First air pipe; 9. Detection connector; 901. Step groove; 10. Second air pipe; 11. Booster pump; 12. Cabinet door; 13. Lifting plate; 14. Lifting block; 15. Slide rail; 16. Lead screw; 17. Lead screw motor; 18. Limiting plate; 19. Limiting pin; 20. Cylinder; 21. Fixing clamp; 22. Rubber layer; 23. Limiting block. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1 , Figure 2 As shown, an airtightness testing device for a shock absorber of an electric vehicle front fork includes a housing 1. A lifting block 14 is slidably connected to the front side of the housing 1 via a slide rail 15. A lifting plate 13 is bolted to the front side of the lifting block 14. Multiple sets of fixing components are provided on the upper side of the lifting plate 13. The fixing components include a limiting block 23 bolted to the upper side of the lifting plate 13 and a limiting plate 18 slidably connected to the lifting plate 13 via a slider and a slide groove. Both the limiting block 23 and the limiting plate 18 are semi-circular, and the limiting plate 18 and the limiting block 23 can cooperate to form a ring. The shock absorber 2 is inserted into the inner side of the limiting block 23 and the limiting plate 18, and the shock absorber 2 contacts the inner side of the limiting block 23 and the limiting plate 18. A limiting pin 19 is inserted into the front side of the lifting plate 13. One end of the limiting pin 19 passes through the limiting plate 18 and is inserted into the inner side of the lifting plate 13. Each set of fixing components is provided with a clamping component and a detection component above it.

[0019] The front side of the lifting plate 13 is provided with a lifting assembly for driving the lifting block 14 to slide up and down.

[0020] In use, the staff places the shock absorber 2 on the upper side of the lifting plate 13, and makes the shock absorber 2 contact with the inner side of the limiting block 23, then pushes the limiting plate 18 to slide up until the lower side of the limiting plate 18 is flush with the lower side of the lifting plate 13, at this time, the shock absorber 2 contacts with the inner side of the limiting plate 18, and the limiting plate 18 and the limiting block 23 fix and limit the lower end of the shock absorber 2, then the staff inserts the limiting pin 19 into the lifting plate 13 and the limiting plate 18 to prevent the limiting plate 18 from moving when the shock absorber 2 is detected, so as to ensure the fixing effect of the limiting plate 18 and the limiting block 23 on the lower end of the shock absorber 2, after the insertion is completed, the staff controls the clamping assembly to fix the middle segment of the shock absorber 2, so as to realize the multi-stage fixing of the shock absorber 2 during detection, and further improve the stability of the shock absorber 2 during detection, finally, under the action of the lifting assembly, the shock absorber 2 moves upward with the lifting plate 13 and contacts with the detection assembly, so that the detection assembly can perform the air tightness detection on the shock absorber 2.

[0021] Preferably, the fixing assembly, the clamping assembly and the detection assembly are all multiple groups, the number of the fixing assembly, the clamping assembly and the detection assembly is consistent, and they are one-to-one corresponding, so that the air tightness detection device can simultaneously perform the air tightness detection on multiple shock absorbers 2, and the working efficiency of the air tightness detection device is improved.

[0022] In the embodiment, the detection assembly comprises a connecting block 3 mounted on the front side of the shell 1 by bolts, an electric telescopic rod 4 mounted on the front side of the connecting block 3 by bolts, and a detection connector 9 mounted on the output end of the electric telescopic rod 4 by bolts, the front side of the electric telescopic rod 4 is provided with a mounting plate 5, the front side of the mounting plate 5 is provided with an air pressure sensor 7 mounted by bolts, the upper side of the mounting plate 5 is provided with a warning light 6 mounted by bolts, the air pressure sensor 7 is electrically connected with the warning light 6, a first air pipe 8 is arranged in communication between the air pressure sensor 7 and the detection connector 9, the rear side of the shell 1 is provided with a booster pump 11, a second air pipe 10 is arranged in communication between the booster pump 11 and the detection connector 9, wherein the model of the air pressure sensor 7 can adopt SMC PSE530 series pressure sensor, which can be used in cooperation with the warning light, when the shock absorber 2 is detected, the staff controls the electric telescopic rod 4 to push the detection connector 9 to move downward, so that the shock absorber 2 is sealingly plugged into the detection connector 9, then the inside of the shock absorber 2 is inflated through the booster pump 11 and the second air pipe 10, and the air pressure in the shock absorber 2 is detected by the air pressure sensor 7, when the pressure in the shock absorber 2 reaches the set value, the staff turns off the booster pump 11, if the pressure in the shock absorber 2 decreases, the pressure sensor transmits a signal to the warning light 6 to alarm, so as to remind the staff that the shock absorber 2 is not qualified for air tightness, if the pressure in the shock absorber 2 does not change, it proves that the shock absorber 2 is qualified for air tightness.

[0023] In the embodiment, the lower side of the detection connector 9 is provided with a stepped groove 901, the side of the stepped groove 901 is glued with a sealing gasket in contact with the side of the shock absorber 2, in use, the stepped groove 901 increases the contact area of the detection connector 9 and the shock absorber 2, further improves the sealing between the detection connector 9 and the shock absorber 2, and ensures the detection accuracy of the air tightness detection device for the shock absorber 2.

[0024] In the embodiment, the clamping assembly comprises two air cylinders 20 symmetrically arranged on the front side of the lifting plate 13 by bolts, the output ends of the two air cylinders 20 are symmetrically provided with arc-shaped fixed clamping blocks 21 mounted by bolts, the inner side of the fixed clamping block 21 is provided with a rubber layer 22 in contact with the outer side of the shock absorber 2, and the two air cylinders 20 are connected with an external air pump assembly, so that the two air cylinders 20 can be used synchronously, in use, the staff controls the two air cylinders 20 to synchronously push the two fixed clamping blocks 21 to contact with the outer side of the shock absorber 2, so as to realize the fixed limiting of the middle section of the shock absorber 2, and further improve the stability of the shock absorber 2 on the air tightness detection device.

[0025] In the embodiment, the lifting assembly comprises the screw rod 16, the mounting plate 5, the screw rod 16 and the screw rod motor 17 which are bolted on the front side of the shell 1, the screw rod motor 17 is connected with one end of the screw rod 16, and the lifting block 14 is screwed on the screw rod 16; in use, the screw rod motor 17 can drive the screw rod 16 to rotate, and under the action of the screw, the lifting block 14 is driven to move up and down along the screw rod 16, so that the up and down sliding of the lifting plate 13 is realized.

[0026] In the embodiment, the rear side of the shell 1 is hinged with the cabinet door 12, and the booster pump 11 is located inside the cabinet door 12; in use, the cabinet door 12 can protect the booster pump 11, prevent the collision between the external sundries and the booster pump 11, and improve the safety of the booster pump 11.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A shock absorber air tightness detection device for an electric vehicle fork, comprising a shell, characterized in that: The lifting block is slidably connected to the front side of the shell, the front side of the lifting plate is provided with a plurality of fixing assemblies, the fixing assembly comprises a limiting block provided on the upper side of the lifting plate and a limiting plate slidably connected to the lifting plate, the limiting block and the limiting plate are both semi-annular, the limiting plate and the limiting block can cooperate to form a ring, the shock absorber is inserted into the inner side of the limiting block and the limiting plate, and the shock absorber is in contact with the inner side of the limiting block and the limiting plate, the front side of the lifting plate is inserted with a limiting pin, one end of the limiting pin is inserted into the inner side of the lifting plate through the limiting plate, and each group of fixing assemblies is provided with a clamping assembly and a detection assembly above. The front side of the lifting plate is provided with a lifting assembly for driving the lifting block to slide up and down.

2. The shock absorber air tightness detection device for the front fork of the electric vehicle according to claim 1, characterized in that: The detection assembly comprises a connecting block provided on the front side of the shell, an electric telescopic rod provided on the front side of the connecting block and a detection connector provided on the output end of the electric telescopic rod, the front side of the electric telescopic rod is provided with a mounting plate, the front side of the mounting plate is provided with an air pressure sensor, the upper side of the mounting plate is provided with a warning light, the air pressure sensor and the warning light are electrically connected, a first air pipe is arranged in communication between the air pressure sensor and the detection connector, and a booster pump is arranged on the rear side of the shell.

3. The shock absorber air tightness detection device for the front fork of the electric vehicle according to claim 2, characterized in that: The lower side of the detection connector is provided with a stepped groove, and the side of the stepped groove is provided with a sealing gasket in contact with the side of the shock absorber.

4. The shock absorber air tightness detection device for the front fork of the electric vehicle according to claim 1, characterized in that: The clamping assembly comprises two air cylinders symmetrically arranged on the front side of the lifting plate, the output ends of the two air cylinders are symmetrically provided with arc-shaped fixed clamping blocks, and the inner side of the fixed clamping block is provided with a rubber layer in contact with the outer side of the shock absorber.

5. The shock absorber air tightness detection device for the front fork of the electric vehicle according to claim 1, characterized in that: The lifting assembly comprises a lead screw and a lead screw motor arranged on the front side of the shell, the lead screw motor is connected with one end of the lead screw, and the lifting block is threadedly connected with the lead screw.

6. The shock absorber air tightness detection device for a front fork of an electric vehicle according to claim 2, characterized in that: The rear side of the shell is hinged with a cabinet door, and the booster pump is located in the inner side of the cabinet door.

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