CN219417681U - Tool for testing cylindrical battery - Google Patents

Abstract

The utility model provides a tool for testing a cylindrical battery, which comprises a mounting main body, two connecting components and an elastic component, wherein the mounting main body is provided with a plurality of connecting grooves; a mounting cavity is formed in the mounting main body, and a pick-and-place opening communicated with the mounting cavity is formed in the circumferential direction of the mounting main body; each connecting component comprises a mounting seat and an electric connecting piece fixedly arranged on the mounting seat, one mounting seat is fixedly arranged at one end of the mounting cavity, and the other mounting seat is slidably arranged at the other end of the mounting cavity and is connected with the mounting main body through an elastic component; the two electric connectors clamp the two ends of the cylindrical battery under the action of the elastic component. According to the tool for testing the cylindrical battery, one mounting seat is fixedly arranged at one end of the mounting cavity, and the other mounting seat is connected to the other end of the mounting cavity in a sliding manner through the elastic component, so that two electric connecting pieces arranged on each mounting seat not only can clamp two ends of the cylindrical battery, but also can realize electric connection with the cylindrical battery while clamping the cylindrical battery, and the testing efficiency of the cylindrical battery is improved.

Description

Tool for testing cylindrical battery

Technical Field

The utility model relates to the technical field of battery testing equipment, in particular to a tool for testing a cylindrical battery.

Background

Currently, in the process of producing a cylindrical battery, a plurality of tests are required to be performed on the cylindrical battery to verify the safety of the cylindrical battery. For example, when the cylindrical battery is charged and discharged, an external electric connection sheet is needed, then the electric connection sheet is fixed with a current wire and a voltage wire of the charging and discharging equipment by bolts and nuts, and a temperature sensing wire is stuck on the external electric connection sheet. In the process of externally connecting the electric connection sheet and each test wire, a great deal of time is easy to consume, thereby resulting in low test efficiency.

Disclosure of Invention

In view of the above, the present utility model aims to provide a tool for testing a cylindrical battery, so as to facilitate improving the testing efficiency of the cylindrical battery.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a tool for testing a cylindrical battery comprises a mounting main body, two connecting components and an elastic component; a mounting cavity with two through ends is formed in the mounting main body, and a picking and placing port communicated with the mounting cavity is formed in the circumferential direction of the mounting main body; each connecting assembly comprises a mounting seat, an electric connecting piece fixedly arranged on the mounting seat, and a voltage line connecting part, a current line connecting part and a temperature sensing line connecting part which are arranged on the electric connecting piece, wherein one mounting seat is fixedly arranged at one end of the mounting cavity, and the other mounting seat is slidingly arranged at the other end of the mounting cavity and is connected with the mounting main body through the elastic assembly; the two electric connecting pieces can clamp two ends of the cylindrical battery under the action of elasticity of the elastic component and are electrically connected with the cylindrical battery.

Further, the mounting seat comprises a sleeve and an end cover fixedly connected to the sleeve; the inner wall of the sleeve is provided with a limiting part protruding inwards, and the end cover is provided with a limiting matching part protruding towards the limiting part; the electric connecting piece is located in the sleeve, and the circumferential part of the electric connecting piece can be located between the limiting part and the limiting matching part due to the fact that the end cover is fixed on the sleeve.

Further, one of the connecting components is fixedly arranged on the mounting main body through the end cover; the elastic component is connected between the end cover and the mounting main body in the other connecting component.

Further, the end cover is provided with a wire passing hole for allowing the voltage wire, the current wire and the temperature sensing wire to pass through.

Further, at least one end of the electric connector facing the cylindrical battery is provided with a plurality of protrusions, and the electric connector is electrically connected with the cylindrical battery through the protrusions.

Further, the device also comprises a base and a locking piece; the installation main body is rotatably arranged on the base, and the locking piece is used for locking the installation main body which rotates in place on the base.

Further, a plurality of first locking holes are formed in the mounting main body at intervals in the circumferential direction around the rotation axis of the mounting main body, and a plurality of second locking holes are formed in the base; the locking member has locking protrusions selectively inserted into the first locking hole and the second locking hole, respectively, to lock the mounting body to the base.

Further, the installation main body is rotatably arranged on the base through rotating shafts arranged on two opposite sides of the installation main body; the plurality of first locking holes are arranged on the end face of the rotating shaft, which extends out of the base; the locking piece can be inserted into one end of the rotating shaft, which extends out of the base.

Further, the base is also provided with a balancing weight.

Further, the elastic component comprises a plurality of tension springs respectively connected between the mounting seat and the mounting main body.

Compared with the prior art, the utility model has the following advantages:

according to the tool for testing the cylindrical battery, one mounting seat is fixedly arranged at one end of the mounting cavity, and the other mounting seat is connected to the other end of the mounting cavity in a sliding manner through the elastic assembly, so that two electric connecting pieces arranged on each mounting seat not only can clamp two ends of the cylindrical battery, but also can clamp the cylindrical battery and realize electric connection with the cylindrical battery, and the testing efficiency of the cylindrical battery is improved.

In addition, the setting of spacing portion and spacing cooperation portion can fix a position the installation of electric connector in the mount pad, and the simple structure of spacing portion and spacing cooperation portion, the shaping of being convenient for. The arrangement of the wire through holes is beneficial to connecting the voltage wire, the current wire and the temperature sensing wire with the electric connecting piece. The bellied setting does benefit to the area of contact that reduces electric connector and cylindrical battery to do benefit to the heat production in the reduction test, and then play the effect of protection cylindrical battery. The installation main body is rotationally arranged on the base, so that the angle of the installation main body can be adjusted, and different testing requirements can be met.

In addition, the arrangement of the first locking hole, the second locking hole and the locking piece is beneficial to locking the installation main body which rotates in place. The first locking hole is arranged on the rotating shaft, so that the arrangement and implementation are facilitated, and the use effect is good. The use stability of the base is improved by arranging the balancing weight. The product of extension spring is ripe, and elastic connection is effectual.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is an exploded view of a tool for testing a cylindrical battery according to an embodiment of the present utility model;

fig. 2 is an assembly diagram of a tool for testing a cylindrical battery according to an embodiment of the present utility model;

FIG. 3 is a partial top view of a tool for testing a cylindrical battery according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is a schematic view of a positive end cap and a positive sleeve according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a positive end cap and a positive sleeve according to an embodiment of the present utility model in another view;

FIG. 7 is a schematic view of a positive electrode connection sheet according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a positive electrode connection sheet according to an embodiment of the present utility model at another view angle;

fig. 9 is a schematic structural view of a locking member according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a base; 101. a vertical plate; 102. balancing weight; 103. a connecting bolt; 104. a second locking hole;

2. a mounting main body; 201. a taking and placing port; 202. a rotating shaft; 2021. a first locking hole;

3. a mounting base; 301. a sleeve; 3011. a first stop collar; 302. an end cap; 3021. a wire through hole; 3022. a second limiting ring; 3023. an annular groove; 303. a screw;

4. an electrical connection; 401. a boss; 4011. a protrusion; 402. a current wire connection part; 403. a temperature sensing line connection part; 404. a voltage line connection part;

5. a locking member; 501. a plug-in groove; 502. a second locking protrusion; 503. a first locking protrusion;

6. and a tension spring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment relates to a tool for testing a cylindrical battery, which comprises an installation main body 2, two connecting components and an elastic component. Wherein, be formed with the installation cavity that both ends link up in the installation main part 2, be equipped with in the circumference of installation main part 2 with the getting of installation cavity intercommunication put mouthful 201, each coupling assembling includes mount pad 3, set firmly the electric connector 4 on mount pad 3 to and locate voltage line connecting portion 404, current line connecting portion 402 and the thermal line connecting portion 403 on the electric connector 4, one mount pad 3 sets firmly in the one end of installation cavity, and the other mount pad 3 slides and locates the other end in installation cavity, and links to each other with installation main part 2 via elastic component. The two electric connecting pieces 4 can clamp the two ends of the cylindrical battery under the action of the elastic force of the elastic component and are electrically connected with the cylindrical battery.

Based on the above general description, an exemplary structure of the tool for testing a cylindrical battery described in this embodiment is shown in fig. 1 and 2. The installation main body 2 in this embodiment is cylindrical as a whole due to the installation of the installation cavity, and the two taking and placing ports 201 are oppositely arranged on the installation main body 2 and extend along the length direction of the installation main body 2. The cylindrical mounting main body 2 in this embodiment also has the advantages of simple structure and convenient structure formation. The two taking and placing ports 201 are not only convenient for taking and placing the cylindrical battery, but also facilitate reducing the weight of the installation main body 2, so that the production cost can be reduced. Of course, depending on the use requirements, only one pick-and-place port 201 may be provided on the mounting body 2.

As a preferred embodiment, the two connection assemblies in this embodiment are substantially identical in structure, differing only in the structure of the end cap 302, which is advantageous for reducing production costs. In addition, the installation main body 2 and the installation seat 3 are both made of insulating materials, and in specific implementation, the installation main body 2 is made of soft plastics in the prior art, and the installation seat 3 is made of hard plastics in the prior art. For example, both are made of PVC, except that PVC is made of soft and hard plastics as desired.

Specifically, the mounting seat 3 in this embodiment includes a sleeve 301 and an end cap 302 fixedly connected to the sleeve 301, a limiting portion protruding inwards is provided on an inner wall of the sleeve 301, and a limit fitting portion protruding towards the limiting portion is provided on the end cap 302. The electrical connector 4 is located within the sleeve 301, and a circumferential portion of the electrical connector 4 can be positioned between the limit portion and the limit mating portion due to the fixation of the end cap 302 to the sleeve 301.

In a specific structure, referring to fig. 1, 5 and 6, the limiting portion in the present embodiment is a first limiting ring 3011 disposed on the inner wall of the sleeve 301, and the limiting mating portion is a second limiting ring 3022 disposed on the inner end surface of the end cover 302. Here, the first stop ring 3011 and the second stop ring 3022 are simple in structure, are convenient for processing and forming, and cooperate with each other to have a good positioning effect on the electrical connector 4. Preferably, the end cap 302 in this embodiment is threadably connected to the sleeve 301. Specifically, the second stopper ring 3022 has an external thread on its outer circumferential surface and an internal thread on the inner circumferential surface of the sleeve 301. So configured, with the second stop ring 3022 screwed to the sleeve 301, the second stop ring 3022 can abut against the electrical connector 4 disposed on the side of the first stop ring 3011.

Further, a via hole 3021 for allowing the voltage line, the current line, and the temperature sensing line to pass therethrough is provided in each of the end caps 302, and preferably, three via holes 3021 allow the voltage line, the current line, and the temperature sensing line to pass through the end caps 302 to be connected to the electrical connector 4, respectively. Of course, the number of the via holes 3021 may be one, and in this case, it is only necessary to satisfy that the voltage line, the current line, and the temperature sensing line pass through the via hole 3021.

In this embodiment, a connection component is fixedly disposed on the mounting body 2 via the end cap 302, and an elastic component is connected between the end cap 302 and the mounting body 2 in the other connection component. In order to enhance the connection effect between the end cap 302 fixed to the mounting body 2 and the mounting body 2, an annular groove 3023 is provided at the end of the end cap 302 facing the cylindrical battery, as shown in fig. 6, and the end cap 302 can be inserted into the end of the mounting body 2 through the annular groove 3023. In addition, a plurality of screws 303 are provided on the outer periphery of the end cap 302, and each screw 303 passes through the end cap 302 and is screwed to the mounting body 2, so that the end cap 302 can be fixed to the mounting body 2. While the other end cap 302 in this embodiment differs from the end cap 302 fixed to the mounting body 2 only in that the annular groove 3023 is not provided.

The spring assembly in this embodiment comprises a plurality of tension springs 6 connected between the mounting base 3 and the mounting body 2, respectively. In a specific structure, as shown in fig. 1 and 2, the tension springs 6 in the present embodiment are two, which are disposed opposite to each other on both sides of the mounting body 2. In order to facilitate the installation of the tension spring 6, in this embodiment, a screw 303 is provided in the circumferential direction of the end cover 302, and a boss is provided on the outer circumference of the installation body 2, one end of the tension spring 6 is hung outside the screw 303, and the other end is hung outside the boss.

In this embodiment, the tension spring 6 is under the natural state, and the distance between the two electrical connectors 4 is smaller than the length of the cylindrical battery due to the elastic force of the tension spring 6, so that the two electrical connectors 4 are beneficial to ensuring that the cylindrical battery is clamped by the two electrical connectors 4, and further ensuring the connection effect between the electrical connectors 4 and the cylindrical battery. When the tension spring 6 is stretched by bearing external force, the tension spring 6 can store energy elastically, and when the external force disappears, the tension spring 6 can release the energy storage and drive the installation seat 3 to slide and reset in the installation cavity. Of course, the number of the tension springs 6 can be increased according to the use requirement in the implementation.

In this embodiment, the electrical connection piece in one connection assembly is a positive connection piece, which is abutted and connected with the positive electrode of the cylindrical battery. The electric connection piece in the other connecting component is a negative electrode connection piece, which is abutted and connected with the negative electrode of the cylindrical battery. As a preferred embodiment, the positive electrode connecting member and the negative electrode connecting member in this embodiment have the same structure, and the electrical connecting member 4 in this embodiment is in the shape of a circular plate, and the four peripheral edges thereof are positioned between the first stop ring 3011 and the second stop ring 3022, as shown below with reference to fig. 7 and 8. In addition, in order to further improve the use effect of the electrical connectors 4, a plurality of protrusions 4011 are provided at one end of each electrical connector 4 facing the cylindrical battery, and the electrical connectors 4 are electrically connected to the cylindrical battery through the protrusions 4011. The projections 4011 may be formed in a tooth shape as shown in fig. 7, or may be formed in a hemispherical shape.

In this embodiment, a boss 401 may be further disposed at one end of the electrical connector 4 facing the cylindrical battery, and the plurality of protrusions 4011 are all disposed on the end surface of the boss 401, so as to further improve the structural strength and the use effect of the electrical connector 4.

In addition, as shown in fig. 8, the voltage line connection portion 404, the current line connection portion 402, and the temperature sensing line connection portion 403 in this embodiment are all connection sleeves disposed on the other end face of the electrical connector 4 with respect to the boss 401, the connection sleeves are tubular, and the voltage line, the current line, and the temperature sensing line can be inserted into the corresponding connection sleeves and are fixed, so as to improve the connection effect, prevent connection loosening, and thus facilitate improving the accuracy of the test. In order to improve the use effect of the electrical connector 4, the electrical connector 4 in this embodiment is preferably made of brass material, which has a better conductive effect. Of course, other materials with conductive effect may be selected for implementation.

The tool for testing the cylindrical battery in the embodiment further comprises a base 1 and a locking piece 5. Wherein, the installation main body 2 is rotationally arranged on the base 1, and the locking piece 5 is used for locking the installation main body 2 which is rotated in place on the base 1. In order to improve the bearing effect of the base 1, in this embodiment, a counterweight 102 may be further disposed on the base 1, where the counterweight 102 is located at the bottom of the base 1 and is connected to the base 1 via a connecting bolt 103, so as to increase the weight of the bottom of the whole base 1. In particular, the weight 102 may be made of cast iron.

As shown in fig. 1, the base 1 has two upright plates 101 disposed opposite to each other, and the mount body 2 is rotatably disposed between the two upright plates 101 via rotation shafts 202 provided on opposite sides thereof. Preferably, the two ends of the rotating shaft 202 extend out of the vertical plate 101, and the tension spring 6 can be directly hung on the rotating shaft 202, and at this time, the mounting main body 2 does not need to be provided with the protruding column.

In this embodiment, a plurality of first locking holes 2021 are formed in the mounting body 2 at intervals circumferentially around the axis 202 of the rotation of the mounting body 2, and a plurality of second locking holes 104 are formed in the base 1, and the locking member 5 has locking protrusions respectively inserted into the first locking holes 2021 and the second locking holes 104 to lock the mounting body 2 to the base 1.

As a preferred embodiment, in the present embodiment, the mounting body 2 is made to have a horizontal state and a vertical state by the arrangement of the locking piece 5. Specifically, as shown in fig. 2, four first locking holes 2021 are provided on the end face of the rotation shaft 202 protruding from the riser 101 at equal angles, four second locking holes 104 are provided on the outer side face of the riser 101, and four locking holes are also provided at equal angles centering on the axis of the rotation shaft 202. When the axes of the two first locking holes 2021 and the two second locking holes 104 are on the same plane, the locking projections on the locking piece 5 can be inserted into part of the first locking holes 2021 and part of the second locking holes 104, thereby mounting the lock between the main body 2 and the base 1.

The locking member 5 in this embodiment can be inserted into one end of the shaft 202 protruding from the base 1, and as a preferred example of the structure of the locking member 5 in this embodiment, as shown in fig. 9, the locking member 5 has a cylindrical shape, and an insertion groove 501 is provided at one end of the locking member 5, through which the locking member 5 can be inserted into the shaft 202. The locking protrusions specifically include two first locking protrusions 503 disposed opposite to each other and disposed on the housing of the insertion slot 501, and two second locking protrusions 502 disposed on the end surface of the rotating shaft 202, where the axes of the two first locking protrusions 503 and the two second locking protrusions 502 are located on the same plane.

At this time, when the axes of the two first locking holes 2021 and the two second locking holes 104 are on the same plane, locking can be achieved by the first locking projection 503 on the locking piece 5 being inserted in the first locking hole 2021 and the second locking projection 502 being inserted in the second locking hole 104. When the angle of the mounting body 2 needs to be adjusted, the locking member 5 is pulled out from the rotating shaft 202.

It is understood that the number of the first locking holes 2021 and the second locking holes 104 in the present embodiment may also be set according to the use requirement. The first locking hole may be formed in the shaft 202 as a collar in addition to the end surface of the shaft 202, and the first locking hole 2021 may be formed in the collar.

When the tool for testing the cylindrical battery in the embodiment is used, one end of the cylindrical battery is firstly placed into the sleeve 301 in a sliding mode and is abutted to the corresponding electric connecting piece 4, then external force is applied to drive the mounting seat 3 to slide outwards until the other end of the cylindrical battery can be placed into the sleeve 301 in a fixed mode, finally the external force is cancelled, the mounting seat 3 slides inwards under the action of the tension spring 6, two electric connecting pieces 4 clamp two ends of the cylindrical battery, and finally the voltage line, the current line and the temperature sensing line are respectively connected with testing equipment.

When the cylindrical battery needs to be taken out, an external force sliding outwards is applied to the mounting seat 3, so that one end of the cylindrical battery is separated from the fixedly arranged sleeve 301, the cylindrical battery is taken out, and finally the mounting seat 3 is reset under the action of the tension spring 6.

The frock is used in cylinder battery test, set firmly in the one end of installation cavity through its mount pad 3, another mount pad 3 is through elastic component sliding connection in the other end of installation cavity for two electric connector 4 on locating each mount pad 3 not only can press from both sides tight with the both ends of cylinder battery, but also can realize the electricity with the cylinder battery when pressing from both sides tight cylinder battery and be connected, thereby do benefit to the test efficiency who improves the cylinder battery.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. Frock is used in cylinder battery test, its characterized in that: comprises a mounting main body (2), two connecting components and an elastic component;

an installation cavity with two through ends is formed in the installation main body (2), and a picking and placing port (201) communicated with the installation cavity is formed in the circumferential direction of the installation main body (2);

each connecting component comprises a mounting seat (3), an electric connecting piece (4) fixedly arranged on the mounting seat (3), and a voltage line connecting part (404), a current line connecting part (402) and a temperature sensing line connecting part (403) which are arranged on the electric connecting piece (4), wherein one mounting seat (3) is fixedly arranged at one end of the mounting cavity, and the other mounting seat (3) is slidingly arranged at the other end of the mounting cavity and is connected with the mounting main body (2) through the elastic component;

the two electric connecting pieces (4) can clamp two ends of the cylindrical battery under the action of elasticity of the elastic component and are electrically connected with the cylindrical battery.

2. The tool for testing a cylindrical battery according to claim 1, wherein:

the mounting seat (3) comprises a sleeve (301) and an end cover (302) fixedly connected to the sleeve (301);

the inner wall of the sleeve (301) is provided with a limiting part protruding inwards, and the end cover (302) is provided with a limiting matching part protruding towards the limiting part;

the electrical connector (4) is located within the sleeve (301), and a circumferential portion of the electrical connector (4) is positionable between the limit portion and the limit mating portion due to the securing of the end cap (302) to the sleeve (301).

3. The tool for testing a cylindrical battery according to claim 2, wherein:

one of the connecting components is fixedly arranged on the mounting main body (2) through the end cover (302);

the elastic component is connected between the end cover (302) and the mounting main body (2) in the other connecting component.

4. The tool for testing a cylindrical battery according to claim 2, wherein:

the end cover (302) is provided with a wire through hole (3021) for allowing the voltage wire, the current wire and the temperature sensing wire to pass through.

5. The tool for testing a cylindrical battery according to claim 1, wherein:

at least one end of the electric connecting piece (4) facing the cylindrical battery is provided with a plurality of protrusions (4011), and the electric connecting piece (4) is electrically connected with the cylindrical battery through the protrusions (4011).

6. The tool for testing a cylindrical battery according to claim 1, wherein:

the device also comprises a base (1) and a locking piece (5);

the mounting main body (2) is rotatably arranged on the base (1), and the locking piece (5) is used for locking the mounting main body (2) which rotates in place on the base (1).

7. The tool for testing a cylindrical battery according to claim 6, wherein:

a plurality of first locking holes (2021) are formed in the mounting main body (2) at intervals along the circumferential direction of the line of the rotating shaft (202) of the mounting main body (2), and a plurality of second locking holes (104) are formed in the base (1);

the locking member (5) has locking projections selectively inserted into the first locking hole (2021) and the second locking hole (104), respectively, to lock the mounting body (2) to the base (1).

8. The tool for testing a cylindrical battery according to claim 7, wherein:

the mounting main body (2) is rotatably arranged on the base (1) through rotating shafts (202) arranged on two opposite sides of the mounting main body;

a plurality of first locking holes (2021) are formed in the end face of the rotating shaft (202) extending out of the base (1);

the locking piece (5) can be inserted into one end of the rotating shaft (202) extending out of the base (1).

9. The tool for testing a cylindrical battery according to claim 6, wherein:

and a balancing weight (102) is further arranged on the base (1).

10. The tool for testing a cylindrical battery according to any one of claims 1 to 9, wherein:

the elastic component comprises a plurality of tension springs (6) which are respectively connected between the mounting seat (3) and the mounting main body (2).