CN210089934U - Power battery upper cover air tightness gauge assembly - Google Patents

Abstract

The utility model discloses an assembly is examined to power battery upper cover gas tightness, including support body, the clamp that is used for power battery upper cover gas tightness to detect, detect appearance sword, detection round pin and filler, the filler is placed on the support body, the laminating remains the product that detects on the filler, the edge of product supports through the clamp, the top of product is provided with the sealed piece that is used for the evacuation, it wears to establish to detect the round pin the marginal hole rigid coupling of product is on the support body, a plurality of detect appearance sword buckle the upper end of product, detect appearance sword with the product laminating, the both ends rigid coupling that detects appearance sword is in on the support body, the utility model discloses can realize carrying out the gas tightness to the power battery upper cover and detect to the power battery upper cover appearance.

Description

Power battery upper cover air tightness gauge assembly

Technical Field

The utility model relates to a power battery detection area specifically is an assembly is examined to power battery upper cover gas tightness.

Background

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Which is mainly distinguished from a starting battery for starting an engine of an automobile. Valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used. The power battery cover plate is a power battery upper cover with high temperature resistance, high insulativity, high sealing property and good safety performance.

The upper cover of the power battery needs to be subjected to air tightness detection when leaving a factory, and the existing detection tool for detecting the air tightness of the upper cover of the power battery is a blank technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembly is examined to power battery upper cover gas tightness can realize carrying out the gas tightness to power battery's upper cover and detect.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an assembly is examined to power battery upper cover gas tightness, is including the support body, the clamp that are used for power battery upper cover gas tightness to detect, detect appearance sword, detection round pin and filler, the filler is placed on the support body, the laminating is waited to detect on the filler, the edge of product is supported through the clamp, the top of product is provided with the sealed piece that is used for the evacuation, the detection round pin wears to establish the marginal hole rigid coupling of product on the support body, a plurality of detect appearance sword buckle in the upper end of product, detect appearance sword with the product laminating, the both ends rigid coupling of detecting appearance sword is in on the support body.

Further, be provided with the compact heap that is used for compressing tightly the product edge on the support body, the compact heap rigid coupling is on the adjustable shelf, adjustable shelf and support body clearance fit, adjustable shelf rigid coupling cylinder, the cylinder rigid coupling is in on the support body.

Further, a guide pillar is arranged on the frame body, the guide pillar penetrates through the movable frame, and the movable frame is in sliding fit with the guide pillar.

Further, the bottom of support body is provided with and is used for depositing the storage rack of detection appearance sword.

Further, the both ends of detecting a kind sword are provided with T type platform respectively, it wears to establish the rigid coupling at T type bench to detect a kind sword through the pin rod, T type bench still is provided with the bolt, the bolt wears to establish detect a kind sword and T type platform, the bottom and the baffle contact of detecting a kind sword, the baffle rigid coupling T type platform, T type platform rigid coupling the support body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a will the filler is placed on the support body, the laminating remains the product that detects on the filler, the edge of product supports through clamp, the top of product is provided with the sealed piece that is used for the evacuation, it wears to establish to detect the round pin the marginal hole rigid coupling of product is on the support body, a plurality of detect appearance sword buckle is in the upper end of product, detect appearance sword with the product laminating, the both ends rigid coupling that detects appearance sword is in on the support body, can realize carrying out the gas tightness to power battery's upper cover and detect power battery upper cover appearance.

Drawings

FIG. 1 is a schematic structural diagram of a power battery upper cover airtightness testing fixture assembly.

Fig. 2 is a schematic view of a first three-dimensional structure of a power battery upper cover air-tightness gauge assembly.

Fig. 3 is a partially enlarged structural diagram of a portion a in fig. 2.

FIG. 4 is a schematic structural view of the power battery upper cover airtightness testing fixture assembly without the top end of the frame body.

Fig. 5 is a schematic structural view of the filler.

Fig. 6 is a schematic view of a part of the enlarged structure at B of fig. 5.

Fig. 7 is a schematic structural diagram of a product to be detected of the power battery upper cover air tightness gauge assembly.

FIG. 8 is a schematic structural view of an air tightness detection state of the power battery upper cover air tightness detection tool assembly.

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.

With the great popularization of new energy automobiles, a great deal of related industries are developed, including the very important power battery industry. The equipment equipped for manufacturing the power battery products is in an immature stage, and various equipment mechanisms must be developed for ensuring the product quality to protect the product quality. In the aspect of product quality assurance, the aspect of power battery cover plate airtightness detection is blank at present, and the embodiment provides an airtightness detection tool for a battery cover plate.

Please refer to fig. 1 to 8, in an embodiment of the present invention, an assembly is examined to power battery upper cover gas tightness, including support body 1, clamp 2, detection appearance sword 3, detection round pin 4 and filler 5 that are used for power battery upper cover gas tightness to detect, filler 5 is placed on support body 1, laminate the product 6 that remains to detect on the filler 5, product 6 specifically is the car power battery upper cover, the edge of product 6 supports through clamp 2, the top of product 6 is provided with the sealed piece 7 that is used for the evacuation, detection round pin 4 wears to establish the marginal hole rigid coupling of product 6 on support body 1, two detection appearance sword 3 buckle is in the upper end of product 6, detection appearance sword 3 with the laminating of product 6, the both ends rigid coupling of detection appearance sword 3 is in support body 1. The filler 5 of this embodiment is a PE (polyethylene) filler, the number of the fillers 5 is two, a cavity is formed between the two fillers 5, the sealing block 7 is located in the cavity, and the cavity is evacuated by a vacuum pump, so that the tightness test is performed. The vacuum pumping technique in this embodiment is known to those skilled in the art, and no modification is made to this portion in this embodiment, which is only used in this embodiment.

Be provided with the compact heap 8 that is used for compressing tightly 6 edges of product on the support body 1, compact heap 8 rigid coupling is on adjustable shelf 9, adjustable shelf 9 and 1 clearance fit of support body, adjustable shelf 9 rigid coupling cylinder 10, cylinder 10 rigid coupling is in on the support body 1. For pressing the edge of the product 6, facilitating the detection of the air tightness.

The frame body 1 is provided with a guide pillar 11, the guide pillar 11 penetrates through the movable frame 9, and the movable frame 9 is in sliding fit with the guide pillar 11, so that the movable frame 9 can slide up and down conveniently.

The bottom of support body 1 is provided with and is used for depositing detection appearance sword 3 storage rack 12. The cutter with various specifications can be conveniently placed.

The both ends of detecting appearance sword 3 are provided with T type platform 13 respectively, it wears to establish the rigid coupling on T type platform 13 through pin rod 14 to detect appearance sword 3, still be provided with bolt 15 on T type platform 13, bolt 15 wears to establish detect appearance sword 3 and T type platform 13, the bottom and the baffle 16 contact of detecting appearance sword 3, baffle 1616 rigid coupling T type platform 13, T type platform 13 rigid coupling support body 1.

The working principle of the embodiment for detecting the appearance of the product 6 is as follows: referring to fig. 1 and 2, the movable frame is fixed to the frame body without the operation of the cylinder 10. And (3) filling materials 5 are arranged in the product 6, the clamp 2 is compressed, the detection bolts are arranged in the holes in one-to-one correspondence, the detection sample knives are arranged in the holes, the appearance of the product 6 is detected, and the product is positioned and locked.

The product 6 can be inspected by a hand-held inspection tool and the data can be recorded in detail so that the inspection can be followed up and corrected at a later date, and the product 6 can be taken down from the inspection tool. According to the data type of the product 6 to be detected, a corresponding handheld inspection tool is selected, which is known to those skilled in the art, and this embodiment merely provides an inspection tool for fixing the upper cover of the power battery. The data content recorded in this example is that after the detection sample knife or the detection pin is fixed, the gap between the detection sample knife or the detection pin and the product is the data to be detected, and whether the part to be detected of the product is qualified or not can be known through the data.

In this embodiment, the upper cover of the power battery to be detected is a casing, the upper surface of the casing is in an irregular shape, the bottom surface of the edge of the casing is flat, and the edge of the bottom end of the casing is provided with a plurality of holes. The embodiment needs to detect the edge bottom surface of the upper cover of the power battery, the holes on the edge bottom surface of the product and the shape of the upper surface of the product. Judging whether the fit condition of the edge bottom surface and the frame body 1 of the checking fixture is qualified or not, and if gaps exist and the size of the gaps is larger than a specified interval value, determining that the upper cover of the power battery is unqualified; the diameter and the position of the hole on the bottom surface of the edge of the upper cover of the power battery can be judged to be qualified by detecting whether the pin 4 can be smoothly inserted; the shape of the upper surface of the upper cover of the power battery is detected by the detection sample knife, and whether the shape is qualified or not is judged by whether the gap between the shape and the upper cover of the power battery is within a specified interval or not.

The working principle of the present example for the airtightness detection is: referring to fig. 8, the product 6 with the sealing block 7 installed is placed and positioned on a tool, the air cylinder 10 descends to enable the pressing block 8 to press the edge of the product 6, vacuum is drawn to detect the air tightness of the product 6, and the product 6 is taken off from the tool (negative pressure is drawn to-8-10 Kpa, air tightness is maintained for 1 min). (if continuous detection is required, repeat the above operations). And restoring the tool assembly to the initial position for later use.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides an assembly is examined to power battery upper cover gas tightness which characterized in that, including the support body, the clamp that are used for power battery upper cover gas tightness to detect, detect appearance sword, detection round pin and filler, the filler is placed on the support body, the laminating is waited to detect on the filler, the edge of product supports through the clamp, the top of product is provided with the sealed piece that is used for the evacuation, detect the round pin and wear to establish the marginal hole rigid coupling of product on the support body, a plurality of detect appearance sword buckle in the upper end of product, detect appearance sword with the product laminating, the both ends rigid coupling of detecting appearance sword is in on the support body.

2. The assembly for checking the tightness of the upper cover of the power battery according to claim 1, wherein a pressing block for pressing the edge of the product is arranged on the frame body, the pressing block is fixedly connected to a movable frame, the movable frame is movably matched with the frame body, the movable frame is fixedly connected to a cylinder, and the cylinder is fixedly connected to the frame body.

3. The upper cover tightness gauge assembly for the power battery as claimed in claim 2, wherein a guide post is disposed on the frame body, the guide post penetrates through the movable frame, and the movable frame is slidably engaged with the guide post.

4. The assembly for the tightness inspection device for the upper cover of the power battery as claimed in claim 1, wherein a storage rack for storing the inspection sample knife is arranged at the bottom end of the rack body.

5. The assembly for checking the airtightness of the upper cover of the power battery according to claim 1, wherein T-shaped platforms are respectively disposed at two ends of the detection sample knife, the detection sample knife is fixedly inserted into the T-shaped platforms through a pin rod, bolts are further disposed on the T-shaped platforms, the bolts are inserted into the detection sample knife and the T-shaped platforms, a bottom end of the detection sample knife is in contact with a baffle, the baffle is fixedly connected to the T-shaped platforms, and the T-shaped platforms are fixedly connected to the frame body.

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