CN212828530U

CN212828530U - On-vehicle quick-witted airtight test auxiliary fixture that charges

Info

Publication number: CN212828530U
Application number: CN202021664192.3U
Authority: CN
Inventors: 陈清平; 司延召; 牛国栋; 宁亮; 钟劲声; 王坤伦; 魏积义; 马腾龙; 苏书珍
Original assignee: Henan Institute of Metrology
Current assignee: Henan Institute of Metrology
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-30
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to the technical field of auxiliary jigs for charging machines, in particular to an auxiliary jig for testing the air tightness of a vehicle-mounted charging machine, which comprises a placing plate and a taper pin, wherein a telescopic cavity is arranged inside the placing plate, sliding grooves are arranged at the left end and the right end of the telescopic cavity, a telescopic plate is connected inside the sliding grooves in a sliding manner, one end of the telescopic plate close to the middle part of the telescopic cavity extends into the telescopic cavity, and this fixedly connected with anticreep board of expansion plate, the outside of flexible cavity is stretched to the one end that flexible cavity middle part was kept away from to the expansion plate, fixedly connected with expanding spring between the anticreep board, the top of expansion plate is provided with the regulation spout, the inside sliding connection who adjusts the spout has two adjusting slide blocks, each adjusting slide block's top fixedly connected with adjusting screw, solved because the machine shape and size that charges differs, the inconvenient regulation of most supplementary tool to inconvenient machine that charges to the difference carries out the problem of fixing.

Description

On-vehicle quick-witted airtight test auxiliary fixture that charges

Technical Field

The utility model relates to a fill motor auxiliary tool technical field, specifically be an on-vehicle supplementary tool of airtight test that fills motor.

Background

As is well known, the vehicle-mounted charger is a charger fixedly installed on an electric vehicle, and is provided with a power battery of the electric vehicle, safety and automatic full-charging capacity, the requirement of a vehicle-mounted product on the airtightness of the product is not strict, the product can cause water infiltration and short circuit if the airtightness is poor, thereby causing the failure of the whole vehicle, and even threatening the personal safety, because the weight of the charger is large, the moving trolley is not easy to move, the test place is transported to the charger by using the moving trolley generally, the moving trolley is prevented from sliding down, thereby an auxiliary jig is installed on the moving trolley, the charger is fixed, the existing auxiliary jig is found in use, because the shape and the size of the charger are different, most of the auxiliary jigs are inconvenient to adjust, and therefore the.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a vehicle-mounted machine supplementary tool of airtight test that charges has solved because the machine shape and size that charges differs, and the inconvenient regulation of most supplementary tool to inconvenient machine that charges to the difference carries out the problem of fixing.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary jig for testing the air tightness of a vehicle-mounted charger comprises a placing plate and a taper pin, wherein a telescopic cavity is arranged inside the placing plate, sliding grooves are formed in the left end and the right end of the telescopic cavity, a telescopic plate is connected inside the sliding grooves in a sliding manner, one end, close to the middle part of the telescopic cavity, of the telescopic plate extends into the telescopic cavity, an anti-falling plate is fixedly connected to the end of the telescopic plate, the end, away from the middle part of the telescopic cavity, of the telescopic plate extends to the outer side of the telescopic cavity, a telescopic spring is fixedly connected between the anti-falling plates, an adjusting sliding groove is formed in the top end of the telescopic plate, two adjusting sliding blocks are connected inside the adjusting sliding groove in a sliding manner, an adjusting screw rod is fixedly connected to the top end of each adjusting sliding block, a fixing plate is connected to the outer circumferential wall of each adjusting screw rod in a, the left end and the right end of placing the board all fixedly connected with locating plate, the top front side and the rear side of locating plate all are provided with positioning hole, the top front side and the rear side of expansion plate all are provided with a plurality of locating holes down, the bottom of taper pin passes through last positioning hole stretches to the inside of locating hole down, the bottom front side and the equal fixedly connected with grip block in rear side of placing the board, the grip block is kept away from place the board front and back symmetry line's one end left side and right side symmetry are provided with the jackscrew through-hole, the inside of jackscrew through-hole is provided with the jackscrew.

Preferably, the top end of the placing plate is provided with a rubber layer.

Preferably, the fixing nut is a self-locking nut.

Preferably, the bottom end of the fixing plate is provided with anti-skid lines.

Preferably, the bottom end of the placing plate is fixedly connected with an anti-skid plate.

Preferably, the bottom end of the expansion plate is fixedly connected with a limiting block.

(III) advantageous effects

Compared with the prior art, the utility model provides an on-vehicle machine auxiliary fixture that charges airtight test possesses following beneficial effect:

the auxiliary jig for the air tightness test of the vehicle-mounted charger is characterized in that a placing plate is arranged, the placing plate is moved onto a movable trolley, a jackscrew is screwed to fix the placing plate, the placing plate is fixed on the movable trolley, the charger is moved onto the placing plate, an adjusting slide block is driven to move left and right through a drawing expansion plate, the adjusting slide block drives an adjusting screw rod to move left and right, a cylindrical pin penetrates through an upper positioning through hole and is inserted into a lower positioning hole through a conical pin, so that the telescopic plate is positioned, when the jig is not used, the contraction force of the contraction spring is contracted to contract the expansion plate into the contraction cavity, so that the jig is prevented from occupying redundant storage space, the conical pin penetrates through the upper positioning through hole and extends into different lower positioning holes through the conical pin and the lower positioning hole, so that the telescopic plate is fixed, through the sliding adjusting slider, drive adjusting screw back-and-forth movement, adjusting screw drives the fixed plate back-and-forth movement, fixed plate slides from top to bottom, make the bottom of fixed plate and the machine of charging fully contact, through rotating fixation nut, fix the position of fixed plate, make the fixed plate compress tightly the machine of charging, reach the purpose of fixing the machine of charging, thereby be convenient for fix the machine of charging to different size and size, transport this machine of charging to the test platform place through the travelling car, thereby reach and be convenient for transport the machine of charging, prevent that the machine of charging is fixed unstable, the phenomenon that the machine of charging takes place.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the layout at a in fig. 1.

In the figure: 1. placing the plate; 2. a taper pin; 3. a telescoping chamber; 4. a retractable plate; 5. an anti-drop plate; 6. a tension spring; 7. adjusting the sliding block; 8. adjusting the screw rod; 9. a fixing plate; 10. fixing a nut; 11. positioning a plate; 12. an upper positioning through hole; 13. a lower positioning hole; 14. a clamping plate; 15. carrying out top thread; 16. a rubber layer; 17. an anti-skid plate; 18. and a limiting block.

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 auxiliary tool for testing the air tightness of a vehicle-mounted charger comprises a placing plate 1 and a taper pin 2, wherein a telescopic cavity 3 is arranged inside the placing plate 1, sliding grooves are respectively arranged at the left end and the right end of the telescopic cavity 3, a telescopic plate 4 is slidably connected inside the sliding grooves, one end of the telescopic plate 4 close to the middle part of the telescopic cavity 3 extends into the telescopic cavity 3, an anti-drop plate 5 is fixedly connected at the end of the telescopic plate 4, one end of the telescopic plate 4 far away from the middle part of the telescopic cavity 3 extends to the outer side of the telescopic cavity 3, a telescopic spring 6 is fixedly connected between the anti-drop plates 5, an adjusting sliding groove is arranged at the top end of the telescopic plate 4, two adjusting sliders 7 are slidably connected inside the adjusting sliding groove, an adjusting screw 8 is fixedly connected at the top end of each adjusting slider 7, a fixing plate 9 is slidably connected on the circumferential outer wall of the adjusting screw 8, the left end and the right end of a placing plate 1 are fixedly connected with a positioning plate 11, the front side and the rear side of the top end of the positioning plate 11 are respectively provided with an upper positioning through hole 12, the front side and the rear side of the top end of an expansion plate 4 are respectively provided with a plurality of lower positioning holes 13, the bottom end of a taper pin 2 extends into the lower positioning holes 13 through the upper positioning through holes 12, the front side and the rear side of the bottom end of the placing plate 1 are respectively and fixedly connected with a clamping plate 14, the left side and the right side of one end of the clamping plate 14, which is far away from the front-back symmetry line of the placing plate 1, of the clamping plate 14 are symmetrically provided with a jackscrew 15 through holes, the inside of the jackscrew 15 through holes is provided with a jackscrew 15, the placing plate 1 is moved onto a moving trolley through arranging the placing plate 1, the purpose of fixing the placing plate 1 is achieved through screwing the jackscrew 15, a charger is moved onto the placing plate 1, an, the telescopic plate 4 is contracted into the interior of a contraction cavity by the contraction force of a contraction spring through arranging a taper pin 2, so that the telescopic plate 4 is prevented from occupying redundant storage space, when the jig is not used, the contraction force of the contraction spring enables the telescopic plate 4 to be contracted into the interior of the contraction cavity by arranging the taper pin 2 and a lower positioning hole 13, the taper pin 2 passes through the upper positioning through hole 12 to extend into different lower positioning holes 13, so that the telescopic plate 4 is fixed, the adjusting screw 8 is driven to move back and forth by sliding the adjusting slide block 7, the adjusting screw 8 drives the fixing plate 9 to move back and forth, the bottom end of the fixing plate 9 is fully contacted with a charger by sliding the fixing plate 9 up and down, and the position of the fixing plate 9 is fixed by rotating the fixing nut 10, the fixed plate 9 is pressed tightly on the charger to fix the charger, so that the chargers with different sizes can be fixed conveniently, the charger is conveyed to a test platform through the movable trolley, the charger is convenient to convey, the phenomenon that the charger is unstable to fix and falls off is prevented, the rubber layer 16 is arranged at the top end of the placing plate 1 to reduce the impact force when the charger is placed and avoid damaging the charger and the placing plate 1, the fixing nut 10 is a self-locking nut and prevent the fixing nut 10 from loosening, so that the fixing effect on the charger is influenced, the bottom end of the fixed plate 9 is provided with anti-slip threads to enhance the fixing effect of the fixed plate 9 on the charger and prevent the charger from sliding, the bottom end of the placing plate 1 is fixedly connected with an anti-slip plate 17 to enhance the friction force between the placing plate 1 and the movable trolley, so that the purpose of preventing the placing, the bottom fixedly connected with stopper 18 of expansion plate 4 limits the constriction position of expansion plate 4, prevents to place the side of board 1 and run into adjusting screw 8 or adjusting block 7.

When using, at first put this tool on the travelling car, twist and move jackscrew 15, make this tool fix on the travelling car, then put the machine that charges and place on board 1, after again through pull expansion plate 4, slide adjusting slider 7 and rotation fixation nut 10, make fixed plate 9 fix the machine that charges, transport this machine that charges to the test site through the travelling car, thereby be convenient for fix the machine that charges of different size and size, reach and be convenient for transport the machine that charges, prevent fixed unstable of machine that charges, the phenomenon that the machine that charges takes place to drop, after finishing using, twist jackscrew 15, loosen the fixing to the travelling car, take off this tool, from not influencing the other operation requirement of travelling car.

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 an on-vehicle quick-witted airtight test auxiliary fixture that charges, is including placing board (1), its characterized in that: the novel telescopic device is characterized by further comprising a taper pin (2), a telescopic cavity (3) is arranged inside the placing plate (1), sliding grooves are formed in the left end and the right end of the telescopic cavity (3), a telescopic plate (4) is connected to the inside of each sliding groove in a sliding mode, one end, close to the middle of the telescopic cavity (3), of each telescopic plate (4) extends into the corresponding telescopic cavity (3), an anti-falling plate (5) is fixedly connected to the end of each telescopic plate (4), one end, far away from the middle of the corresponding telescopic cavity (3), of each telescopic plate (4) extends to the outer side of the corresponding telescopic cavity (3), a telescopic spring (6) is fixedly connected between the anti-falling plates (5), an adjusting sliding groove is formed in the top end of each telescopic plate (4), two adjusting sliders (7) are connected to the inside of the adjusting sliding groove in a sliding mode, and an adjusting screw (8) is fixedly, the circumferential outer wall of the adjusting screw rod (8) is connected with a fixing plate (9) in a sliding way, the top end and the bottom end of the circumferential outer wall of the adjusting screw rod (8) are both connected with a fixing nut (10) in a screw way, the left end and the right end of the placing plate (1) are both fixedly connected with a positioning plate (11), the front side and the rear side of the top end of the positioning plate (11) are both provided with an upper positioning through hole (12), the front side and the rear side of the top end of the expansion plate (4) are both provided with a plurality of lower positioning holes (13), the bottom end of the taper pin (2) extends into the lower positioning hole (13) through the upper positioning through hole (12), the front side and the rear side of the bottom end of the placing plate (1) are both fixedly connected with a clamping plate (14), the clamping plate (14) is far away from the left side and the right side of one end of the front and back symmetry line of the placing plate (1) and is symmetrically provided with a jackscrew (15) through hole, and a jackscrew (15) is arranged inside the jackscrew (15) through hole.

2. The auxiliary fixture for the air tightness test of the vehicle-mounted charger according to claim 1, is characterized in that: the top end of the placing plate (1) is provided with a rubber layer (16).

3. The auxiliary fixture for the air tightness test of the vehicle-mounted charger according to claim 2, is characterized in that: the fixing nut (10) is a self-locking nut.

4. The auxiliary fixture for the air tightness test of the vehicle-mounted charger according to claim 3, is characterized in that: the bottom end of the fixing plate (9) is provided with anti-skid lines.

5. The auxiliary fixture for the air tightness test of the vehicle-mounted charger according to claim 4, is characterized in that: the bottom end of the placing plate (1) is fixedly connected with an anti-skid plate (17).

6. The auxiliary fixture for the air tightness test of the vehicle-mounted charger according to claim 5, is characterized in that: the bottom end of the expansion plate (4) is fixedly connected with a limiting block (18).