CN205373970U - Gas tightness detection device of cylindric battery - Google Patents

Gas tightness detection device of cylindric battery Download PDF

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Publication number
CN205373970U
CN205373970U CN201620042689.9U CN201620042689U CN205373970U CN 205373970 U CN205373970 U CN 205373970U CN 201620042689 U CN201620042689 U CN 201620042689U CN 205373970 U CN205373970 U CN 205373970U
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CN
China
Prior art keywords
detection device
cylindrical battery
tightness detection
gland
base
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Active
Application number
CN201620042689.9U
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Chinese (zh)
Inventor
付希
李正斌
刘仁娟
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Zhejiang Qianjiang Lithium Technology Co Ltd
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Zhejiang Qianjiang Lithium Technology Co Ltd
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Priority to CN201620042689.9U priority Critical patent/CN205373970U/en
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Abstract

The utility model provides a gas tightness detection device of cylindric battery belongs to mechanical technical field. It has been solved current gas tightness detection device and can not very audio -visually not observe and to wait to detect the problem whether cylindrical battery leaked gas. This gas tightness detection device of cylindric battery includes base and gland, base and gland link firmly through the fastener mutually, the department has the installation cavity in the middle of base and the gland, front plate and back splint have been linked firmly in the installation cavity, the front plate links firmly through the fastener with the back splint mutually, front plate and the middle of back splint are located to have to be cylindric location chamber, the locating hole has on the base, the locating hole is located the location chamber under, be equipped with sealed backing ring in the locating hole, it connects to be connected with high -pressurepipe on the base, high -pressurepipe connects and is linked together through locating hole and location chamber. Whether this gas tightness detection device of cylindric battery makes the cylindric battery of operator's audio -visual judgement of ability qualified, improves the rate of accuracy of judging.

Description

A kind of air-tightness detection device of cylindrical battery
Technical field
This utility model belongs to field of mechanical technique, relates to the air-tightness detection device of a kind of cylindrical battery.
Background technology
The air-leakage test of cylindrical battery is a very important link in production process.The bad battery of air-tightness is easy to produce quality and safety problem, such as cause battery to get rusty, leakage, corrosion products electronic devices and components etc..
Current battery gas tightness detector, for instance Chinese patent literature data discloses a kind of cylindrical battery sealing air-tightness detection device [patent No.: 201410051217.5;Application publication number: CN103784080A], it includes Pressure gauge, high-pressure air pipe joint, draw point, workbench, battery clamp, cylinder, and Pressure gauge is connected with high-pressure air pipe joint by pipeline;Battery clamp includes strap, mobile clamping plate, guide rail, silicagel pad;The inner concave of affixed strap on the table is provided with silicagel pad, equipped with high-pressure air pipe joint on strap, one hole matched with draw point, draw point and high-pressure air pipe joint seamless link are set at the middle part of strap, are placed in hole through silicagel pad;By guide rail fixed guide between strap, mobile clamping plate;Being provided with cylinder on workbench, the push rod on cylinder is fixed in the outside of mobile clamping plate.
The cylindrical battery sealing air-tightness detection device of this kind of structure, during detection, an aperture is got out in the middle of cylindrical battery to be detected, mobile clamping plate are promoted to promote along guide rail to strap direction by cylinder, make battery and silicagel pad close proximity, and battery is fixed, existence due to cylinder, therefore the cylindrical battery sealing air-tightness detection device of this kind of structure can not be integrally placed in water, and bad on battery cap be filled with water, this results in operator can not observe whether cylindrical battery to be detected leaks gas very intuitively, can not judge that whether cylindrical battery to be detected is qualified very accurately.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that the air-tightness detection device of a kind of cylindrical battery, solves the technical problem that it is how to allow an operator to judge that whether cylindrical battery is qualified intuitively.
The purpose of this utility model can be realized by following technical proposal: the air-tightness detection device of a kind of cylindrical battery, including base and gland, it is characterized in that, described base and gland are fixedly connected with by securing member, the middle of described base and gland has installation cavity, described installation cavity is fixed with front plate and rear plate, described front plate and rear plate are fixedly connected with by securing member, the middle of described front plate and rear plate has cylindrical positioning chamber, described base has hole, location, hole, described location is positioned at the underface of positioning chamber, described location is provided with gasket ring in hole, described base is connected to high-pressure air pipe joint, described high-pressure air pipe joint is connected with positioning chamber by positioning hole.
nullAn aperture is got out in the bottom of cylindrical battery to be detected,Cylindrical battery to be detected is placed in positioning chamber,It is connected thus clamping positioning cylindrical battery by front plate and rear plate,The bottom of cylindrical battery is arranged in hole, location and is resisted against on gasket ring,Front plate and rear plate are arranged in installation cavity,Then pass through securing member locking base and gland makes front plate and rear plate be fixed in installation cavity,Again by base、Gland、Front plate and rear plate are integrally placed in water,Pass into the gases at high pressure of setting pressure,Gases at high pressure pass through high-pressure air pipe joint、Hole, location and aperture enter in cylindrical battery to be detected,Gasket ring plays the effect of sealing,When water there being bubble produce,Illustrate that cylindrical battery to be detected is defective,When in water, bubble-free produces,Illustrate that cylindrical battery to be detected is qualified,Operator can observe whether cylindrical battery to be detected leaks gas intuitively,Such that it is able to intuitively、Judge accurately to go cylindrical battery to be detected whether qualified.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, the cavity wall of described positioning chamber has positioning convex ring.Positioning convex ring is embedded in the annular groove of cylindrical battery to be detected, positioning convex ring plays spacing effect, ensure that cylindrical battery to be detected will not move when detection, thus ensureing the sealing function of gasket ring, make will not leak gas between gasket ring and cylindrical battery to be detected, it is ensured that gases at high pressure enter into the inside of cylindrical battery to be detected.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, the top of described gland has the through hole run through, and described through hole is positioned at the surface of positioning chamber.After front plate and rear plate are arranged in installation cavity, the top of front plate and rear plate is resisted against on gland, gap or gap it is absent from less between front plate and rear plate and gland, arranging of through hole ensures that water can flow to the sealing part of cylindrical battery to be detected, when cylindrical battery to be detected is defective, the bubble of generation can be emerged along through hole, time qualified, bubble would not be had to produce, allow an operator to judge that whether cylindrical battery to be detected is qualified intuitively.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, the middle of described front plate or rear plate has adjustment hole, and described adjustment hole is connected with positioning chamber, is equipped with adjusting bolt in described adjustment hole.The model of cylindrical battery is various, not of uniform size, and adjusting bolt can be passed adjustment hole and is resisted against on cylindrical battery, and that improves cylindrical battery firmly installs degree, improves the scope of application of this air-tightness detection device.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, the top of described base has lower recess, and the bottom of described gland has upper notch, when base and gland after being fixedly connected with described lower recess and upper notch form installation cavity.Installation cavity is pre-and post perforative, this kind of structure, facilitates operator to lock front plate and rear plate, facilitates operator to pass through adjusting bolt fixed cylinder shape battery, reasonable in design.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, the inner side of described front plate has the front arc groove in semicircle shape, the inner side of described rear plate has the rear arc groove in semicircle shape, when front plate and rear plate after being fixedly connected with described front arc groove and rear arc groove form positioning chamber.
In the air-tightness detection device of above-mentioned a kind of cylindrical battery, described securing member is hexagon socket head cap screw or outer-hexagonal bolt.
Compared with prior art, the air-tightness detection device of the cylindrical battery that this utility model provides has the advantage that
1, the air-tightness detection device operator of this cylindrical battery has bubble-free to produce by observing in water, and whether energy intuitive judgment cylindrical battery to be detected is qualified, easy to detect, it is judged that accurately.
2, the air-tightness detection device of this cylindrical battery arranges adjusting bolt, is matched by front plate, rear plate and adjusting bolt and makes this air-tightness detection device can detect different model, different size of cylindrical battery, applied widely.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the air-tightness detection device of this cylindrical battery.
Fig. 2 is the overall structure sectional view of the air-tightness detection device of this cylindrical battery.
Fig. 3 is the structural representation of the air-tightness detection device front plate of this cylindrical battery and rear plate.
In figure, 1, base;2, gland;3, installation cavity;4, front plate;5, rear plate;6, positioning chamber;7, positioning convex ring;8, hole, location;9, gasket ring;10, high-pressure air pipe joint;11, through hole;12, adjustment hole;13, adjusting bolt.
Detailed description of the invention
The following is specific embodiment of the utility model and in conjunction with accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, the air-tightness detection device of this cylindrical battery, including base 1, gland 2, front plate 4, rear plate 5, gasket ring 9, high-pressure air pipe joint 10 and adjusting bolt 13.
The top of base 1 has lower recess, the bottom of gland 2 has upper notch, base 1 and gland 2 are fixedly connected with by securing member, in the present embodiment, securing member is hexagon socket head cap screw, and in actual production, securing member can be outer-hexagonal bolt, base 1 and gland 2 be lower recess and upper notch formation installation cavity 3 after being fixedly connected with, and the cavity wall of installation cavity 3 is square.
Front plate 4 and rear plate 5 are located in installation cavity 3, as shown in Figure 3, front plate 4 and rear plate 5 are fixedly connected with by securing member, the inner side of front plate has the front arc groove in semicircle shape, and the inner side of rear plate has the rear arc groove in semicircle shape, and after front plate and rear plate are fixedly connected with, front arc groove and rear arc groove form the positioning chamber for locating batteries, in the present embodiment, securing member is hexagon socket head cap screw, and in actual production, securing member can be outer-hexagonal bolt.Front plate 4 and rear plate 5 are square after being fixedly connected with, and the cavity wall of positioning chamber 6 has positioning convex ring 7, and positioning convex ring 7 plays the effect of positioning cylindrical battery.
Having hole 8, location on base 1, hole 8, location is positioned at the underface of positioning chamber 6, and the bottom in hole 8, location is provided with gasket ring 9, and base 1 is connected to high-pressure air pipe joint 10, and high-pressure air pipe joint 10 is connected with positioning chamber 6 by positioning hole 8.The top of gland 2 has the through hole 11 run through, and through hole 11 is positioned at the surface of positioning chamber 6.In the present embodiment, the middle of front plate 4 has adjustment hole 12, and adjustment hole 12 is connected with positioning chamber 6, is equipped with adjusting bolt 13 in adjustment hole 12, and in actual production, adjustment hole 12 may be located on rear plate 5.
nullDuring use,An aperture is got out in the bottom of cylindrical battery to be detected,Cylindrical battery to be detected is fitted in the rear arc groove of rear plate 5,Positioning convex ring 7 is made to be embedded in the annular groove of cylindrical battery to be detected,Then front plate 4 is covered,Front plate 4 and rear plate 5 is made to be fixedly connected with by securing member,Cylindrical battery to be detected is made to be arranged in positioning chamber 6,When being necessary,By rotating adjusting bolt 13,Adjusting bolt 13 is made to be resisted against on cylindrical battery to be detected,That improves cylindrical battery to be detected firmly installs degree,Then the bottom of cylindrical battery to be detected is inserted in hole 8, location,Front plate 4 and rear plate 5 are placed in the lower recess of base 1,Cover gland 2 again,Gland 2 and base 1 is made to be fixedly connected with by securing member,So that front plate 4 and rear plate 5 are fixed in installation cavity 3,Then this air-tightness detection device entirety is placed in water,The gases at high pressure of setting pressure it are filled with again from high-pressure air pipe joint 10,By positioning hole 8、Aperture enters in cylindrical battery to be detected,Gasket ring 9 plays the effect of sealing,Ensure that gases at high pressure enter in cylindrical battery to be detected,When there being bubble to emerge from through hole 11,Illustrate that cylindrical battery to be detected is underproof,When bubble-free is emerged from through hole 11,Illustrate that cylindrical battery to be detected is qualified.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Although more employing the terms such as base 1, gland 2, installation cavity 3, front plate 4, rear plate 5, positioning chamber 6, positioning convex ring 7, location hole 8, gasket ring 9, high-pressure air pipe joint 10, through hole 11, adjustment hole 12, adjusting bolt 13 herein, but it is not precluded from using the probability of other term.These terms are used to be only used to describe and explain essence of the present utility model more easily;It is all contrary with this utility model spirit for being construed as any additional restriction.

Claims (7)

  1. null1. the air-tightness detection device of a cylindrical battery,Including base (1) and gland (2),It is characterized in that,Described base (1) and gland (2) are fixedly connected with by securing member,The middle of described base (1) and gland (2) has installation cavity (3),Described installation cavity (3) is fixed with front plate (4) and rear plate (5),Described front plate (4) and rear plate (5) are fixedly connected with by securing member,The middle of described front plate (4) and rear plate (5) has cylindrical positioning chamber (6),Described base (1) has hole, location (8),Hole, described location (8) is positioned at the underface of positioning chamber (6),Hole, described location (8) is provided with gasket ring (9),Described base (1) is connected to high-pressure air pipe joint (10),Described high-pressure air pipe joint (10) is connected with positioning chamber (6) by positioning hole (8).
  2. 2. the air-tightness detection device of a kind of cylindrical battery according to claim 1, it is characterised in that there is in the cavity wall of described positioning chamber (6) positioning convex ring (7).
  3. 3. the air-tightness detection device of a kind of cylindrical battery according to claim 1, it is characterized in that, the top of described gland (2) has the through hole (11) run through, and described through hole (11) is positioned at the surface of positioning chamber (6).
  4. 4. the air-tightness detection device of a kind of cylindrical battery according to claim 1 or 2 or 3, it is characterized in that, the middle of described front plate (4) or rear plate (5) has adjustment hole (12), described adjustment hole (12) is connected with positioning chamber (6), is equipped with adjusting bolt (13) in described adjustment hole (12).
  5. 5. the air-tightness detection device of a kind of cylindrical battery according to claim 1 or 2 or 3, it is characterized in that, the top of described base (1) has lower recess, the bottom of described gland (2) has upper notch, and after base (1) and gland (2) are fixedly connected with, described lower recess and upper notch form installation cavity (3).
  6. 6. the air-tightness detection device of a kind of cylindrical battery according to claim 1 or 2 or 3, it is characterized in that, the inner side of described front plate (4) has the front arc groove in semicircle shape, the inner side of described rear plate (5) has the rear arc groove in semicircle shape, and after front plate (4) and rear plate (5) are fixedly connected with, described front arc groove and rear arc groove form positioning chamber (6).
  7. 7. the air-tightness detection device of a kind of cylindrical battery according to claim 1 or 2 or 3, it is characterised in that described securing member is hexagon socket head cap screw or outer-hexagonal bolt.
CN201620042689.9U 2016-01-16 2016-01-16 Gas tightness detection device of cylindric battery Active CN205373970U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620042689.9U CN205373970U (en) 2016-01-16 2016-01-16 Gas tightness detection device of cylindric battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620042689.9U CN205373970U (en) 2016-01-16 2016-01-16 Gas tightness detection device of cylindric battery

Publications (1)

Publication Number Publication Date
CN205373970U true CN205373970U (en) 2016-07-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620042689.9U Active CN205373970U (en) 2016-01-16 2016-01-16 Gas tightness detection device of cylindric battery

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269729A (en) * 2018-11-20 2019-01-25 湖南安德丰新能源科技有限公司 A kind of lithium battery rapid leakage detecting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269729A (en) * 2018-11-20 2019-01-25 湖南安德丰新能源科技有限公司 A kind of lithium battery rapid leakage detecting method

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