Measuring device
By measuring the distance between the battery pins and the battery cover, the problem of poor connection caused by battery pin deformation is solved, ensuring battery assembly quality and safety, and providing a simple and easy-to-operate measuring device.
Patent Information
- Application Number
- CN202422440263.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-10-10
AI Technical Summary
During battery assembly, battery pins may be bent and deformed due to mechanical vibration and impact, resulting in poor connection and affecting battery performance and safety. Existing technology lacks effective measurement devices to identify whether the degree of pin deformation is out of tolerance.
A measuring device is provided, including a measuring dial indicator and a limiting member, which determines the degree of deformation of the workpiece by measuring the distance between a first reference surface and a second reference surface of the workpiece to be inspected, thereby ensuring that the dimensions are within acceptable limits.
This measuring device can accurately determine the degree of workpiece deformation, ensuring the quality and safety of the assembled battery. It has a simple structure, is easy to operate, and is suitable for measuring different workpieces.
Smart Images

Figure CN223649871U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery production technical field especially relates to a measuring device. BACKGROUND
[0002] With the development of modern society and the enhancement of people's environmental protection consciousness, more and more equipment selects battery as power supply, such as mobile phone, notebook computer, electric tool and electric automobile etc., which provides broad space for the application and development of battery, and the use performance and safety requirement of battery is increasingly high. The battery top cover is the key component of battery, which is directly related to the reliability, service life and capacity size of battery, and influences the production and use safety of producers and consumers.
[0003] In the battery, the battery pin is usually used to connect the pole of the top cover and the tab of the battery cell, so as to guide the current of the battery cell from the inside to the outside. Since the battery cover plate may face mechanical vibration and impact during assembly, it may cause the pin of the battery to bend and deform, and if the deformation degree of the pin cannot be identified, it will not only affect the connection and use of the pin and the battery cell, but also affect the assembly of the battery cover plate and the shell, and reduce the use performance and safety of the battery.
[0004] Therefore, a measuring device is needed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of measuring device, can measure whether the distance between first datum plane and second datum plane on the workpiece to be detected is out of tolerance, judge the deformation degree of workpiece, guarantee the shape size of workpiece is qualified.
[0006] To achieve this purpose, the utility model uses the following technical solutions:
[0007] Provide a kind of measuring device, comprising:
[0008] Measuring table, the measuring table includes measuring probe, the measuring probe can be moved along first direction, the measuring probe can be pushed by the first datum plane of workpiece to be detected;
[0009] Fixed seat, the measuring table is fixed on the fixed seat, and the workpiece to be detected is placed on the fixed seat;
[0010] Limiting piece, the limiting piece is fixed on the fixed seat, and the limiting piece is abutted on the second datum plane of the workpiece to be detected in the first direction.
[0011] As an optional scheme of measuring device, the measuring device further includes mounting seat, the mounting seat is fixed on the fixed seat, and the measuring table is fixed on the mounting seat.
[0012] As an optional solution of the measuring device, the mounting seat comprises a mounting hole, and the measuring table is arranged in the mounting hole.
[0013] As an optional solution of the measuring device, the measuring table and the limiting piece are fixed at the same end of the fixing seat in a first direction, and the measuring probe is located above the limiting piece in a second direction, wherein the first direction is perpendicular to the second direction.
[0014] As an optional solution of the measuring device, the fixing seat is provided with a first limiting groove, and the first limiting groove extends along the first direction, and the workpiece to be detected is limited in the first limiting groove.
[0015] As an optional solution of the measuring device, the limiting piece is fixed in the first limiting groove.
[0016] As an optional solution of the measuring device, the fixing seat further comprises a second limiting groove, and the second limiting groove is arranged on the bottom wall of the first limiting groove, and the width of the second limiting groove is smaller than the width of the first limiting groove in a third direction, wherein the third direction is perpendicular to the first direction.
[0017] As an optional solution of the measuring device, the measuring device further comprises a calibration piece, and the calibration piece is placed on the fixing seat, and the calibration piece comprises a first calibration surface and a second calibration surface, the first calibration surface can push the measuring probe along the first direction, and the second calibration surface abuts against the limiting piece.
[0018] As an optional solution of the measuring device, the fixing seat further comprises a groove, and the groove is located on the upper surface of the fixing seat, and the groove extends along a third direction.
[0019] As an optional solution of the measuring device, the measuring table is a dial indicator.
[0020] The utility model discloses beneficial effects:
[0021] The utility model provides a kind of measuring device, measuring table and limiting piece are fixed on fixing seat, and workpiece to be detected is placed to fixing seat and is close to limiting piece and measuring table, the first datum plane of workpiece to be detected can contact and push the measuring probe of measuring table, until the second datum plane of workpiece to be detected abuts against limiting piece and cannot continue to move, at this time, the distance between first datum plane and second datum plane can be obtained according to the display of measuring table, to judge whether the degree of deformation of workpiece is within tolerance range, guarantee the quality and safety of product after subsequent assembly. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1is a structural schematic view of the measuring device provided by the utility model;
[0023] Figure 2 is a partial schematic view of the workpiece to be detected;
[0024] Figure 3 is a schematic view when the measuring device provided by the utility model is measured;
[0025] Figure 4 is a structural schematic view of the calibration piece of the measuring device provided by the utility model;
[0026] Figure 5 is a structural schematic view when the measuring device provided by the utility model is calibrated.
[0027] In the drawings:
[0028] 1, measurement table;11, measurement probe;12, dial;
[0029] 2, fixed seat;21, first limit slot;22, second limit slot;23, groove;
[0030] 3, limit piece;
[0031] 4, mounting seat;41, mounting hole;42, connecting part;421, first connecting hole;43, support part;431, second connecting hole;
[0032] 5, calibration piece;51, first calibration surface;52, second calibration surface;
[0033] 100, workpiece to be detected;110, first reference surface;120, second reference surface. DETAILED DESCRIPTION
[0034] The utility model will be further explained in detail in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all the structures.
[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.
[0037] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", and "radial" are terms that refer to the orientation and / or position of the device or element shown in the drawings, and are used only to facilitate description and simplify the operation, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.
[0038] As shown in Figures 1 to 5 The measuring device of the embodiment includes a measuring table 1, a fixing seat 2 and a limiting piece 3. The measuring table 1 includes a measuring probe 11, the measuring probe 11 can move along a first direction, the measuring probe 11 can be pushed by a first reference surface 110 of a workpiece 100 to be detected, and the first direction is an X direction in the middle. Figure 1 The measuring table 1 is fixed on the fixing seat 2, and the workpiece 100 to be detected can be placed on the fixing seat 2. The limiting piece 3 is fixed on the fixing seat 2, and the limiting piece 3 abuts against a second reference surface 120 of the workpiece 100 to be detected in the first direction.
[0039] Based on the above design, the measuring table 1 and the limiting piece 3 are both fixed on the fixing seat 2, the workpiece 100 to be detected is placed on the fixing seat 2 and is close to the limiting piece 3 and the measuring table 1, the first reference surface 110 of the workpiece 100 to be detected can contact and push the measuring probe 11 of the measuring table 1, until the second reference surface 120 of the workpiece 100 to be detected cannot continue to move after abutting against the limiting piece 3, at this time, the distance between the first reference surface 110 and the second reference surface 120 can be obtained according to the display of the measuring table 1, so as to judge whether the workpiece deformation degree is within the tolerance range, thereby ensuring the quality and safety of the product after subsequent assembly. The measuring device has simple structure, convenient operation, and can be moved flexibly, and can be widely applied to the measurement of different workpieces.
[0040] It should be noted that in the embodiment, the measuring device is used to measure the distance between the battery cover plate and the pin, that is, the first reference surface 110 is located on the side of the pin in the first direction towards the measuring table 1, and the second reference surface 120 is located on the side of the battery cover plate in the first direction towards the limiting piece 3. By measuring the distance between the first reference surface 110 and the second reference surface 120, it is determined whether the pin is deformed out of tolerance, ensuring that the battery cover plate and the pin used during assembly are of qualified size, and ensuring the normal assembly of the battery.
[0041] Specifically, in the embodiment, the measuring table 1 is configured as a dial gauge, and the measuring probe 11 protrudes from the limiting piece 3 in the first direction towards the workpiece 100 to be detected, so that the measuring probe 11 can contact the workpiece 100 to be detected before the limiting piece 3 during measurement.
[0042] Optionally, the measuring table 1 and the limiting piece 3 are fixed to the same end of the fixed seat 2 in the first direction, and the measuring probe 11 is located above the limiting piece 3 in the second direction, which is the Y direction in the fixed seat 2, and the first direction is perpendicular to the second direction, facilitating the approach and abutment of the workpiece 100 to be detected. Figure 1
[0043] Further, the measuring device further comprises a mounting seat 4 fixed to the fixed seat 2, and the measuring table 1 is fixed to the mounting seat 4. Specifically, the mounting seat 4 comprises a connecting portion 42 and a supporting portion 43, the connecting portion 42 is connected to the fixed seat 2, and the supporting portion 43 is located above the connecting portion 42. The mounting hole 41 is formed on the supporting portion 43, and the measuring table 1 is arranged in the mounting hole 41. In the embodiment, the mounting seat 4 has a T-shaped structure, the connecting portion 42 is provided with a first connecting hole 421, and a first bolt is arranged in the first connecting hole 421 to be connected to the fixed seat. The supporting portion 43 is connected to the middle part of the connecting portion 42 and extends upward along the second direction, the supporting portion 43 is provided with a second connecting hole 431, and a second bolt is connected to the second connecting hole. The diameter of the mounting hole 41 is changed by tightening and loosening the second bolt, the measuring table 1 is clamped and loosened, so that the measuring table 1 can be disassembled and adjusted. When detecting different workpieces, the measuring table 1 can be adjusted to measure workpieces with different standard sizes, thereby expanding the applicability of the measuring device.
[0044] Further, the measuring device further comprises a calibration piece 5 placed on the fixed seat 2, and the calibration piece 5 comprises a first calibration surface 51 and a second calibration surface 52. The first calibration surface 51 can push the measuring probe 11 in the first direction, and the second calibration surface 52 abuts against the limiting piece 3. The distance between the first calibration surface 51 and the second calibration surface 52 is the standard size of the distance between the first reference surface 110 and the second reference surface 120. The calibration piece 5 is used to calibrate the measuring table 1, ensuring accurate measurement of the measuring device. When measuring different sizes, different calibration pieces 5 can be made to achieve calibration.
[0045] Specifically, in the embodiment, a standard size of a distance between the second reference surface 120 on the battery cover plate and the first reference surface 110 on the pin is N, then the distance between the first calibration surface 51 and the second calibration surface 52 on the calibration piece 5 is processed as N, the calibration piece 5 is placed on the fixed seat 2 and close to the measuring table 1, so that the first calibration surface 51 pushes the measuring probe 11 and the second calibration surface 52 abuts against the limiting piece 3, at this time, the dial 12 is adjusted according to the position of the pointer, so that the 0 mark line on the dial 12 is aligned with the pointer, and the calibration of the measuring table 1 is completed.
[0046] Further, the fixed seat 2 is provided with a first limiting groove 21, the first limiting groove 21 extends along the first direction, and the workpiece 100 to be detected and the calibration piece 5 can be limited in the first limiting groove 21, so that the workpiece 100 to be detected and the calibration piece 5 can be prevented from deviating when moving towards the measuring table 1, the stability during detection and calibration is improved, and the operability of the measuring device is improved.
[0047] Optionally, the limiting piece 3 is also fixed in the first limiting groove 21, so as to facilitate positioning and installation of the limiting piece 3, and ensure that the workpiece 100 to be detected and the calibration piece 5 have sufficient contact area when abutting against the limiting piece 3, so as to ensure stability during work.
[0048] As a preferred, the fixed seat 2 further comprises a second limiting groove 22, the second limiting groove 22 is arranged on the bottom wall of the first limiting groove 21, and the width of the second limiting groove 22 in the third direction is smaller than the width of the first limiting groove 21, wherein the third direction is Figure 1 the Z direction, and the first direction, the second direction and the third direction are perpendicular to each other. In this way, the second limiting groove 22 and the first limiting groove 21 form a stepped structure, the contact area between the fixed seat 2 and the workpiece 100 to be detected and between the fixed seat 2 and the calibration piece 5 is reduced, and the friction effect and wear during movement of the workpiece 100 to be detected and the calibration piece 5 towards the measuring table 1 are reduced; at the same time, the second limiting groove 22 can form an avoiding space, so that other parts (such as the pole) that have been assembled on the battery cover plate can be placed in the avoiding space, and the other parts are prevented from being scratched by collision; in addition, the second limiting groove 22 and the first limiting groove 21 have different widths in the third direction, so that the workpiece 100 to be detected with different sizes in the third direction can be applied, and the applicability of the measuring device is further improved.
[0049] Further, the fixed seat 2 further comprises a groove 23, the groove 23 is located on the upper surface of the fixed seat 2, and the groove 23 extends along the third direction, so as to facilitate taking the workpiece 100 to be detected in the first limiting groove 21.
[0050] In use of the measuring device, first, the mounting seat 4, the measuring table 1 and the limiting piece 3 are installed on the fixed seat 2, the measuring table 1 is calibrated by using the calibration piece 5, and the plurality of workpieces 100 to be detected are detected in sequence, and whether the workpieces are qualified can be judged by reading the numbers on the dial 12.
[0051] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A measuring device, characterized in that The utility model relates to a measuring device for workpiece, which comprises: a measuring gauge (1) comprising a measuring probe (11) capable of moving along a first direction, the measuring probe (11) capable of being pushed by a first reference surface (110) of a workpiece (100) to be detected; a fixing base (2) on which the measuring gauge (1) is fixed, and the workpiece (100) to be detected is placed on the fixing base (2); a limiting piece (3) fixed on the fixing base (2), the limiting piece (3) abutting against a second reference surface (120) of the workpiece (100) to be detected in the first direction.
2. The measuring device of claim 1, wherein, The measuring device further comprises a mounting seat (4) fixed on the fixing base (2), and the measuring gauge (1) is fixed on the mounting seat (4).
3. The measuring device of claim 2, wherein, The mounting seat (4) comprises a mounting hole (41), and the measuring gauge (1) is arranged in the mounting hole (41).
4. The measuring device of claim 1, wherein, The measuring gauge (1) and the limiting piece (3) are fixed on the same end of the fixing base (2) in the first direction, and the measuring probe (11) is located above the limiting piece (3) in a second direction, wherein the first direction is perpendicular to the second direction.
5. The measuring device of claim 1, wherein, The fixing base (2) is provided with a first limiting groove (21) extending along the first direction, and the workpiece (100) to be detected is limited in the first limiting groove (21).
6. The measuring device of claim 5, wherein, The limiting piece (3) is fixed in the first limiting groove (21).
7. The measuring device of claim 5, wherein, The fixing base (2) further comprises a second limiting groove (22) arranged on the bottom wall of the first limiting groove (21), and the width of the second limiting groove (22) is smaller than the width of the first limiting groove (21) in a third direction, wherein the third direction is perpendicular to the first direction.
8. The measuring device of claim 1, wherein, The measuring device further comprises a calibration piece (5) placed on the fixing base (2), and the calibration piece (5) comprises a first calibration surface (51) capable of pushing the measuring probe (11) along the first direction and a second calibration surface (52) abutting against the limiting piece (3).
9. The measuring device of claim 1, wherein, The fixing base (2) further comprises a groove (23) located on the upper surface of the fixing base (2), and the groove (23) extends along the third direction.
10. The measuring device of claim 1, wherein, The measuring gauge (1) is a dial gauge.