Torsion testing device
By designing an adjustable upper and lower connecting column torque testing device, the problem of frequent fixture replacement in the existing technology is solved, achieving efficient torque testing, which is applicable to multiple models of shaft assemblies.
Patent Information
- Application Number
- CN202520389902.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing torque testing devices require custom-designed fixtures for different shaft sizes, leading to frequent fixture changes, increased production costs and time consumption, and low efficiency, especially in small-batch, multi-model production.
Design a torque testing device that adapts to shaft assemblies of different sizes through adjustable upper and lower connecting columns, enabling torque testing without frequent fixture changes.
It improves the efficiency of torque testing, is applicable to shaft assemblies of various sizes, eliminates the need for frequent fixture changes, and solves the problem of low testing efficiency in existing technologies.
Smart Images
Figure CN223883106U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to torsion measurement technical field especially relates to a torsion testing device. BACKGROUND
[0002] The notebook computer pivot assembly is the key mechanical structure connecting the screen and the body, and its torsion performance directly affects the durability and user experience of the product. Although the torsion detection technology is relatively mature, there are still deficiencies in practical application, for example, the existing device adopts special customized fixture, and the fixture needs to be designed separately for different sizes (such as shaft diameter, fixed hole position) of the pivot. This leads to frequent replacement of the fixture for detection line, significantly increasing production cost and time loss, especially in small batch production of multiple models, which is inefficient. Therefore, a torsion detection device that can adapt to torsion detection of pivot assemblies of different sizes and structures is urgently needed. SUMMARY
[0003] The utility model aims at providing a torsion testing device, which does not need to replace the fixture frequently and improves efficiency.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A torsion testing device for torsion testing of a pivot assembly, the pivot assembly comprising an upper connecting plate and a lower connecting plate, the upper connecting plate being provided with an upper connecting hole, and the lower connecting plate being provided with a lower connecting hole, comprising: a base; a control panel embedded on the base, the control panel comprising a display screen and a controller, the display screen being mounted on the upper surface of the base, and the controller being electrically connected to the display screen; a torsion collecting part, the torsion collecting part comprising a torsion joint part and a torsion sensor, the torsion joint part being fixed on the base and connected to the torsion sensor, the torsion sensor being electrically connected to the controller, and a mounting table fixedly installed on the base, the mounting table being provided with a mounting rack, the mounting rack being symmetrically provided with an upper connecting column and a lower connecting column in the vertical direction, the lower connecting column being rotatably installed on the torsion joint part, the lower connecting column being used for fittingly installing with the lower connecting hole, the upper connecting column being used for fittingly installing with the upper connecting hole, when the pivot assembly is rotatably installed on the mounting rack, the torsion value generated after the rotation of the pivot assembly is transmitted to the controller by the torsion sensor and displayed on the display screen.
[0006] Preferably, the mounting rack comprises a first plate vertically arranged, a second plate horizontally arranged, and a third plate horizontally arranged, the second plate and the third plate are oppositely arranged and connected with the first plate, the upper connecting column is rotatably installed on the second plate, a through hole is formed in the third plate, and the torsion joint part extends out of the through hole to pass through the third plate.
[0007] Preferably, the mounting table is provided with a mounting groove matched with the mounting frame, and the first plate is embedded and mounted in the mounting groove.
[0008] Preferably, the upper connecting column is provided with an upper annular seat, a plurality of upper stop blocks are arranged at the edge position of the upper annular seat, and an upper limiting gap is formed between adjacent two upper stop blocks, wherein a plurality of upper limiting protrusions are arranged at the position close to the upper connecting hole of the upper connecting plate, the upper limiting protrusions are arranged on the upper limiting gap, and the upper limiting protrusions are fixed on the upper limiting gap after the upper connecting plate is mounted on the upper connecting column.
[0009] Preferably, the lower connecting column is provided with a lower annular seat, a plurality of lower stop blocks are arranged at the edge position of the lower annular seat, and a lower limiting gap is formed between adjacent two lower stop blocks, wherein a plurality of lower limiting protrusions are arranged at the position close to the lower connecting hole of the lower connecting plate, the lower limiting protrusions are arranged on the lower limiting gap, and the lower limiting protrusions are fixed on the lower limiting gap after the lower connecting plate is mounted on the lower connecting column.
[0010] Preferably, the first plate, the second plate and the third plate are integrally formed.
[0011] Compared with the prior art, the beneficial effects of the utility model are that the shaft assembly with the upper connecting plate and the lower connecting plate can be tested on the torsion test device, and the torsion test device can be applied to shaft assemblies of various sizes by changing the size of the upper connecting column and the lower connecting column, so that the jig does not need to be frequently replaced during testing, the testing efficiency is improved, and the deficiencies in the background art are well solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a partial structure diagram of the side of the torsion test device.
[0013] Figure 2 It is a structure diagram of the shaft assembly after being mounted on the mounting table.
[0014] Figure 3 It is an exploded view of the structure of the shaft assembly after being mounted on the mounting table.
[0015] Figure 4 It is a mounting diagram of the torsion force collecting part on the base. DETAILED DESCRIPTION
[0016] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.
[0017] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0018] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0019] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0020] As Figures 1-3The utility model provides a kind of torsion testing device, including pedestal 200, control panel, torsion collection part 400 and installation platform 300. Among them, the torsion testing device is used for the torsion test of upper pivot assembly 100 of notebook computer, and upper pivot assembly 100 includes upper connecting plate 101 and lower connecting plate 102, and upper connecting hole 103 is equipped on upper connecting plate 101, and lower connecting hole 104 is equipped on lower connecting plate 102. Then, pedestal 200 can adopt rectangular box or rectangular cast iron platform, and shock-absorbing foot pad can be arranged on the bottom to ensure test stability. Control panel is embedded and installed on the pedestal 200, specifically on the upper surface of pedestal 200 to facilitate user use. Control panel includes display screen and controller, and the controller is electrically connected with the display screen. And torsion collection part 400 includes torsion joint part 401 and torsion sensor 402, and torsion joint part 401 is fixed on pedestal 200 and connected with torsion sensor 402. Specifically, one end of torsion joint part 401 can be installed on the surface of pedestal 200, and the other end is rotatably installed in pedestal 200, and torsion joint part 401 is connected with torsion sensor 402 and cooperates with installation platform 300 to collect the torsion of pivot assembly 100. And torsion sensor 402 is electrically connected with the controller, which can be a torque sensor, when torsion test is carried out, the torque generated by pivot assembly 100 at torsion joint part 401 will make torsion sensor 402 output a torsion signal, and then the signal is amplified and filtered and transmitted to the controller, so that the torsion value of pivot assembly 100 at this time is known.
[0021] It should be noted that, first, the installation platform 300 is fixedly installed on the pedestal 200, and the installation platform 300 is provided with a mounting rack 301, and the mounting rack 301 is symmetrically provided with an upper connecting column 302 and a lower connecting column 303 in the vertical direction, and the lower connecting column 303 is rotatably installed on the torsion joint part 401 to make the two synchronous rotation, reduce the error of torsion test. Then, the upper connecting column 302 is used for being matched with the upper connecting hole 103, and the lower connecting column 303 is used for being matched with the lower connecting hole 104, and when installing, the pivot assembly 100 is rotatably installed on the mounting rack 301 by the above matching mode, and then the pivot assembly 100 is manually rotated, and the torsion value generated after rotation is transmitted to the controller by the torsion sensor 402 on the torsion joint part 401 and displayed on the display screen, and when the torsion value is within the preset torsion value range, it indicates that the present torsion test is passed, and the test is passed at this time. That is, the pivot assembly 100 carrying the upper connecting plate 101 and the lower connecting plate 102 can be torsion tested on the torsion testing device, and the size of the upper connecting column 302 and the lower connecting column 303 can be changed to be suitable for pivot assemblies 100 of various sizes, so that the jig does not need to be frequently replaced during testing, the test efficiency is improved, and the deficiencies in the background art are well solved.
[0022] As a preferred embodiment, the mounting frame 301 comprises a first plate 304 arranged vertically, a second plate 305 arranged horizontally and a third plate 306 arranged horizontally, the second plate 305 and the third plate 306 are oppositely arranged and connected with the first plate 304, the upper connecting column 302 is rotatably mounted on the second plate 305, and the third plate 306 is provided with a through hole, and the torsion joint part 401 extends through the through hole to pass through the third plate 306. Among them, in order to improve the structural strength of the mounting frame 301, the first plate 304, the second plate 305 and the third plate 306 are integrally formed. Secondly, the material of the mounting frame 301 can be stainless steel.
[0023] As another preferred embodiment, the mounting platform 300 is provided with a mounting groove 307 matched with the mounting frame 301, in detail, the first plate 304 of the mounting frame 301 is mounted in the mounting groove 307 in the form of embedding, so that the whole mounting frame 301 is mounted on the mounting platform 300.
[0024] As another preferred embodiment, in order to ensure the stability of the mounting of the rotating shaft assembly 100 on the mounting platform 300, the upper connecting column 302 is provided with an upper circular seat 308, and a plurality of upper stop blocks 309 are arranged at the edge position of the upper circular seat 308, that is, the plurality of upper stop blocks 309 are arranged in a ring array, and an upper limiting gap 310 is formed between adjacent two upper stop blocks 309, and a plurality of upper limiting protrusions 105 are arranged on the upper connecting plate 101 close to the upper connecting hole 103, the upper limiting protrusions 105 are arranged on the upper limiting gap 310, and when the upper connecting plate 101 is mounted on the upper connecting column 302, the upper limiting protrusions 105 are mounted and fixed on the upper limiting gap 310. That is, the position of the limiting protrusion is limited by the limiting gap formed between the two upper stop blocks 309, so that the rotating shaft assembly 100 is more stably fixed on the mounting frame 301, and the test stability is provided. Similarly, the lower connecting column 303 is provided with a lower circular seat 311, and a plurality of lower stop blocks 312 are arranged at the edge position of the lower circular seat 311, and a lower limiting gap 313 is formed between adjacent two lower stop blocks 312, wherein a plurality of lower limiting protrusions 106 are arranged on the lower connecting plate 102 close to the lower connecting hole 104, the lower limiting protrusions 106 are arranged on the lower limiting gap 313, and when the lower connecting plate 102 is mounted on the lower connecting column 303, the lower limiting protrusions 106 are mounted and fixed on the lower limiting gap 313.
[0025] According to the disclosure and teaching of the above description, the skilled in the art of the present application can also change and modify the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should also fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the present application.
Claims
1. A torsion testing device for torsion testing of a rotating shaft assembly (100), the rotating shaft assembly (100) comprising an upper connecting plate (101) and a lower connecting plate (102), the upper connecting plate (101) being provided with an upper connecting hole (103), the lower connecting plate (102) being provided with a lower connecting hole (104), characterized in that, The utility model relates to a kind of torsion force collection device for rotating shaft assembly, including: A base (200); A control panel is embedded in the base (200), the control panel includes a display screen and a controller, the display screen is installed on the upper surface of the base (200), and the controller is electrically connected with the display screen; A torsion force collection part (400), the torsion force collection part (400) includes a torsion joint part (401) and a torsion sensor (402), the torsion joint part (401) is fixed on the base (200), and is connected with the torsion sensor (402), the torsion sensor (402) is electrically connected with the controller, and An installation platform (300) is fixedly installed on the base (200), the installation platform (300) is provided with a mounting bracket (301), the mounting bracket (301) is symmetrically provided with an upper connecting column (302) and a lower connecting column (303) in vertical direction, the lower connecting column (303) is rotatably installed on the torsion joint part (401), and the lower connecting column (303) is used for being matched with the lower connecting hole (104) for installation, the upper connecting column (302) is used for being matched with the upper connecting hole (103) for installation, when the rotating shaft assembly (100) is rotatably installed on the mounting bracket (301), the torsion value generated after the rotating shaft assembly (100) rotates is transmitted to the controller by the torsion sensor (402) and displayed on the display screen.
2. The torsion testing device of claim 1, wherein, The mounting bracket (301) includes a first plate (304) arranged vertically, a second plate (305) arranged horizontally and a third plate (306) arranged horizontally, the second plate (305) and the third plate (306) are oppositely arranged and connected with the first plate (304), the upper connecting column (302) is rotatably installed on the second plate (305), and a through hole is formed in the third plate (306), and the torsion joint part (401) extends out of the through hole to pass through the third plate (306).
3. The torsion testing device of claim 2, wherein, The installation platform (300) is provided with a mounting groove (307) matched with the mounting bracket (301) for installation, and the first plate (304) is embedded and installed in the mounting groove (307).
4. The torsion testing device of claim 1, wherein, The upper connecting column (302) is provided with an upper annular seat (308), a plurality of upper stop blocks (309) are arranged at the edge position of the upper annular seat (308), an upper limiting gap (310) is formed between adjacent two upper stop blocks (309), Wherein, a plurality of upper limiting protrusions (105) are arranged on the upper connecting plate (101) close to the upper connecting hole (103), the upper limiting protrusions (105) are arranged on the upper limiting gap (310), and when the upper connecting plate (101) is installed on the upper connecting column (302), the upper limiting protrusions (105) are fixedly installed on the upper limiting gap (310).
5. The torsion testing device of claim 1, wherein, The lower connecting column (303) is provided with a lower circular seat (311), and a plurality of lower stoppers (312) are arranged at the edge position of the lower circular seat (311), and a lower limiting gap (313) is formed between adjacent two lower stoppers (312), Wherein, a plurality of lower limiting protrusions (106) are arranged on the lower connecting plate (102) near the lower connecting hole (104), the lower limiting protrusions (106) are arranged on the lower limiting gap (313), and when the lower connecting plate (102) is installed on the lower connecting column (303), the lower limiting protrusions (106) are fixed on the lower limiting gap (313).
6. The torsion testing device of claim 2, wherein, The first plate (304), the second plate (305) and the third plate (306) are integrally formed.