CN212963973U

CN212963973U - Fatigue test device for spring leaf

Info

Publication number: CN212963973U
Application number: CN202021719106.4U
Authority: CN
Inventors: 曾明
Original assignee: Suzhou Yudiao Automobile Technology Co ltd
Current assignee: Suzhou Yudiao Automobile Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-13
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a fatigue test device for spring leaf, including outer guard casing, install on the outer guard casing and examine test table, and the surface of outer guard casing and correspond the top of examining test table and install the accredited testing organization, the accredited testing organization has upper and lower movable rod, the middle part position department movable mounting who examines the upper surface of test table has fixture, fixture includes two at least L shape limiting plates, and two L shape limiting plates are parallel to each other and set up, just the section of L shape limiting plate is L shape, install the grip block that is used for fixed spring leaf on the inner wall of L shape limiting plate, the grip block is the hemisphere, just the grip block is through expanding spring drive; through setting up the L shape limiting plate that has installed to be located on examining test table, with the inboard of spring leaf spring disect insertion L shape limiting plate, utilize the cooperation of grip block and expansion spring can be fixed with spring leaf spring, and spring leaf spring is fixed and take out all comparatively convenient.

Description

Fatigue test device for spring leaf

Technical Field

The utility model belongs to the technical field of spring leaf processing, concretely relates to fatigue test device for spring leaf.

Background

The spring elastic sheet is a metal accessory and is applied to electronic equipment such as computers, mainboards, electronic watches, calculators, automobile remote control keys, electronic scales, electric toys, mobile phones and the like.

When current spring shell fragment is tired, because adopt the traditional anchor clamps of fatigue test device to fix, the bolt that needs both ends of screwing drives the moving part that corresponds and carries out the centre gripping to spring shell fragment fixedly, needs the unscrewing when the dismantlement that corresponds, carrying out a plurality of and continuous spring shell fragments tests, still can appear the not good problem of convenience, we propose a fatigue test device for spring shell fragment for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fatigue test device for spring leaf to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fatigue testing device for spring elastic sheets comprises an outer protective shell, a detection platform is arranged on the outer protective shell, and the surface of the outer protective shell and the upper part corresponding to the detection platform are provided with a testing mechanism which is provided with an upper movable rod and a lower movable rod, a clamping mechanism is movably arranged in the middle of the upper surface of the detection table and comprises at least two L-shaped limiting plates, the two L-shaped limiting plates are arranged in parallel, the sections of the L-shaped limiting plates are L-shaped, the inner walls of the L-shaped limiting plates are provided with clamping blocks for fixing spring pieces, the clamping blocks are hemispherical, and the clamping block is driven by an expansion spring, the axis of the expansion spring is vertical to the horizontal line, and the movable parts are installed at the bottoms of the L-shaped limiting plates, the sliding grooves are formed in the top surfaces of the detection tables, and the L-shaped limiting plates can slide along the sliding grooves through the movable parts.

Further, the movable part includes the slider, the pulley is all installed to the bottom of slider, install the stopper by spring drive on the lateral wall of slider, just the spacing groove has been seted up in succession to the equidistance on the diapire of spout inboard.

Furthermore, the limiting block driven by the spring is matched with the limiting groove for use.

Further, the first end of the expansion spring is fixedly connected with the clamping block, and the second end of the expansion spring is fixedly connected with the L-shaped limiting plate.

Furthermore, the number of the sliding grooves is two in total and the sliding grooves are arranged in parallel.

Furthermore, the limiting block driven by the spring is triangular prism-shaped, and the tip of the limiting block driven by the spring faces the limiting groove.

Furthermore, the outer protecting shell is fixedly connected with a detection platform through a telescopic rod.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. through setting up the L shape limiting plate that has installed to be located on examining test table, with the inboard of spring leaf spring disect insertion L shape limiting plate, utilize grip block and expanding spring's cooperation can be fixed with spring leaf spring, and spring leaf spring is fixed and take out all comparatively convenient, has increased the practicality of device.

2. Install the slider that is located L shape limiting plate bottom through the setting for L shape limiting plate can slide along the spout, so that change the distance between the adjacent L shape limiting plate, thereby the spring shell fragment of the different specifications of adaptation, and the slider can realize spacingly through the stopper by spring drive at gliding process, has guaranteed stability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the inspection table of the present invention;

fig. 3 is a schematic structural view of the spring leaf of the present invention;

FIG. 4 is a front partial sectional view of the inspection table of the present invention;

in the figure: 1. an outer protective shell; 2. a testing mechanism; 3. an upper and lower movable rod; 4. a telescopic rod; 5. A detection table; 6. a spring leaf; 7. an L-shaped limiting plate; 8. a chute; 9. a pulley; 10. a stopper driven by a spring; 11. a limiting groove; 12. a slider; 13. an expansion spring; 14. and (4) clamping the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme: a fatigue testing device for spring elastic sheets comprises an outer protection shell 1, wherein a detection platform 5 is installed on the outer protection shell 1, a testing mechanism 2 is installed on the surface of the outer protection shell 1 and above the detection platform 5 correspondingly, the testing mechanism 2 is provided with an upper movable rod and a lower movable rod 3, a clamping mechanism is movably installed in the middle of the upper surface of the detection platform 5 and comprises at least two L-shaped limiting plates 7, the two L-shaped limiting plates 7 are arranged in parallel, the section of each L-shaped limiting plate 7 is L-shaped, a clamping block 14 used for fixing the spring elastic sheet 6 is installed on the inner wall of each L-shaped limiting plate 7, the clamping block 14 is hemispherical, the clamping block 14 is driven by an expansion spring 13, a first end of the expansion spring 13 is fixedly connected with the clamping block 14, a second end of the expansion spring 13 is fixedly connected with the L-shaped limiting plates 7, and the axis of the expansion spring 13, and the movable part is all installed to the bottom of L shape limiting plate 7, and examine the top surface of test table 5 and seted up spout 8, the movable part of L shape limiting plate 7 accessible slides along spout 8, spout 8's quantity is total two, and mutual parallel arrangement, when the device used, can insert the inboard of L shape limiting plate 7 with the both sides of spring shell fragment 6, utilize the cooperation of grip block 14 and expanding spring 13 can be fixed with spring shell fragment 6, and it is all comparatively convenient that spring shell fragment 6 is fixed and takes out, the practicality of device has been increased.

In this embodiment, furtherly, the movable part includes slider 12, and pulley 9 is all installed to slider 12's bottom, installs on slider 12's the lateral wall by spring drive's stopper 10, and has seted up spacing groove 11 in succession by the equidistance on the diapire of 8 inboards of spout, uses by spring drive's stopper 10 and spacing groove 11 mutually supporting.

In this embodiment, further, the stopper 10 driven by the spring is in a triangular prism shape, and the tip of the stopper 10 driven by the spring faces the stopper groove 11.

In this embodiment, further, the outer protective casing 1 is fixedly connected with a detection platform 5 through a telescopic rod 4.

The utility model discloses a theory of operation and use flow: when the device uses, can insert the inboard of L shape limiting plate 7 with the both sides of spring shell fragment 6, the cooperation that utilizes grip block 14 and expanding spring 13 can be fixed with spring shell fragment 6, and spring shell fragment 6 is fixed and take out all comparatively convenient, the practicality of device has been increased, and install the slider 12 that is located L shape limiting plate 7 bottom through setting up, make L shape limiting plate 7 can slide along spout 8, so that change the distance between the adjacent L shape limiting plate 7, thereby the spring shell fragment 6 of the different specifications of adaptation, and slider 12 is through the stopper 10 by spring drive, in gliding process, can realize spacingly through the continuous and corresponding spacing groove 11 block of stopper 10 by spring drive, the stability of L shape limiting plate 7 has been guaranteed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fatigue test device for spring leaf, includes outer casing (1), install on outer casing (1) and examine test table (5), just test mechanism (2) are installed on the surface of outer casing (1) and the top that detects test table (5) of correspondence, test mechanism (2) have about movable rod (3), its characterized in that: examine movable mounting of middle part position department of platform (5) upper surface and have fixture, fixture includes two at least L shape limiting plate (7), and two L shape limiting plate (7) parallel arrangement each other, just the section of L shape limiting plate (7) is L shape, install grip block (14) that are used for fixed spring shell fragment (6) on the inner wall of L shape limiting plate (7), grip block (14) are the hemisphere, just grip block (14) are through extension spring (13) drive, the axis perpendicular to horizontal line of extension spring (13), just the movable part is all installed to the bottom of L shape limiting plate (7), just spout (8) have been seted up to the top surface of examining platform (5), L shape limiting plate (7) accessible movable part slides along spout (8).

2. The fatigue testing device for the spring dome according to claim 1, wherein: the movable part includes slider (12), pulley (9) are all installed to the bottom of slider (12), install on the lateral wall of slider (12) by spring drive's stopper (10), just spacing groove (11) have been seted up in succession to the equidistance on the diapire of spout (8) inboard.

3. The fatigue testing device for the spring dome according to claim 2, wherein: the limiting block (10) driven by the spring is matched with the limiting groove (11) for use.

4. The fatigue testing device for the spring dome according to claim 1, wherein: the first end and the grip block (14) fixed connection of extension spring (13), the second end and the L-shaped limiting plate (7) fixed connection of extension spring (13).

5. The fatigue testing device for the spring dome according to claim 1, wherein: the number of the sliding grooves (8) is two in total and the sliding grooves are arranged in parallel.

6. The fatigue testing device for the spring dome according to claim 1, wherein: the limiting block (10) driven by the spring is in a triangular prism shape, and the tip of the limiting block (10) driven by the spring faces the limiting groove (11).

7. The fatigue testing device for the spring dome according to claim 1, wherein: the outer protective shell (1) is fixedly connected with a detection platform (5) through a telescopic rod (4).