CN220972088U - Auxiliary positioning jig - Google Patents

Abstract

The utility model relates to the technical field of screen detection, in particular to an auxiliary positioning jig. The jig comprises a support assembly, a gear assembly and a rack assembly, wherein the support assembly comprises a frame body, and the gear assembly and the rack assembly are respectively arranged on the frame body; the rack assembly comprises two linear racks which are respectively meshed with two points of the gear assembly, the angle between the two meshing points is 180 degrees, and the two linear racks are used for driving the gear assembly to synchronously rotate. According to the auxiliary positioning jig, when positioning operation is needed, the two linear racks are pulled synchronously, the end parts of the linear racks are placed at the designated positions, the gear assembly is driven by the linear racks to rotate synchronously, and the positions of the gear assembly are the positions needed to be positioned. By adopting the positioning mode, quick and accurate positioning can be performed, and the positioning device is particularly suitable for positioning products with different sizes.

Description

Auxiliary positioning jig

Technical Field

The utility model relates to the technical field of screen detection, in particular to an auxiliary positioning jig.

Background

In order to improve the use experience of users, at present, part of notebook computers are additionally provided with a function of customizing a startup picture, so that users can customize marks of the startup picture of the notebook computers. For the test of the function, it is required to verify whether the center of the user-defined logo picture is located at a designated position of the screen.

Currently, testing is typically performed manually, a tester manually measures the screen length and width with a ruler, positions the screen to a designated location on the notebook screen by calculation, and then marks the location with a marker. According to the test method, the length of each test product needs to be measured manually, errors exist in manual measurement, and the data accuracy is low; and, for different models of notebook computers, the length and width need to be re-measured, and the designated position needs to be recalculated, so that the test time is too long.

Disclosure of utility model

In order to solve at least the technical problems in the prior art, the utility model provides an auxiliary positioning jig.

The utility model provides an auxiliary positioning jig which comprises a support assembly, a gear assembly and a rack assembly, wherein the support assembly comprises a frame body, and the gear assembly and the rack assembly are respectively arranged on the frame body; the rack assembly comprises two linear racks, the two linear racks are respectively meshed with two points of the gear assembly, an angle between the two meshing points is 180 degrees, and the two linear racks are used for driving the gear assembly to synchronously rotate.

In some embodiments, the gear assembly includes a first gear having a first set diameter; the rack assembly includes a first linear rack and a second linear rack, the first linear rack and the second linear rack respectively meshed with a first point and a second point of the first gear, and an angle between the first point and the second point is 180 degrees.

In some embodiments, the gear assembly further comprises a duplex wheel comprising a second gear and a third gear, the second gear having a second set diameter and the third gear having a third set diameter, the first gear being located on a side of the third gear remote from the second gear, and centers of the first, second and third gears being coincident; the rack assembly comprises a third linear rack and a fourth linear rack, the third linear rack is meshed with a third point of the second gear, the fourth linear rack is meshed with a fourth point of the third gear, an angle between the third point and the fourth point is 180 degrees, and an angle between the third point and the first point or the second point, and an angle between the fourth point and the first point or the second point are 90 degrees.

In some embodiments, the rack assembly further comprises a rewind structure; the one end of straight-line rack is for drawing the end, draw the end and be located outside the support body, the other end of straight-line rack with the structure of rolling up is connected, the structure of rolling up is used for driving the straight-line rack resets.

In some embodiments, the rollback structure comprises a housing and a rollback spring, a core of the rollback spring is fixedly connected with the housing, and an end of the rollback spring is connected with one end of the linear rack; and the linear rack is contracted in the return process of the return spring.

In some embodiments, the pulling end includes a hitching structure; the hanging structure is used for being hung on the frame body or a product to be positioned.

In some embodiments, a marking structure is arranged at the circle centers of the first gear, the second gear and the third gear; after the first gear, the second gear and the third gear are positioned to the designated positions, positions corresponding to the circle centers of the first gear, the second gear and the third gear are marked through the marking structure.

In some embodiments, the gear assembly comprises a rotating shaft, and the first gear, the second gear and the third gear are sleeved on the rotating shaft; the rotating shaft is of a hollow structure along the axial direction, and the marking structure is arranged in the hollow structure in a penetrating way.

In some embodiments, the support assembly further comprises a rectangular housing, wherein the side wall of the housing is provided with a penetrating opening of the linear rack.

In some embodiments, the radius ratio of the second gear to the third gear is 0.382:0.618.

According to the auxiliary positioning jig, when positioning operation is needed, the two linear racks are pulled synchronously, the end parts of the linear racks are placed at the designated positions, the gear assembly is driven by the linear racks to rotate synchronously, and the positions of the gear assembly are the positions needed to be positioned. By adopting the positioning mode, quick and accurate positioning can be performed, and the positioning device is particularly suitable for positioning products with different sizes.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic structural diagram of an auxiliary positioning fixture according to an embodiment of the present utility model;

fig. 2 is a schematic plan view of an auxiliary positioning fixture according to an embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of a gear assembly in the auxiliary positioning fixture according to an embodiment of the present utility model;

FIG. 4 is a reference diagram of the usage status of the auxiliary positioning fixture according to the embodiment of the present utility model;

Fig. 5 is a schematic diagram of the auxiliary positioning fixture according to the embodiment of the present utility model after marking.

In the figure:

1: auxiliary positioning jig; 2: a product;

10: a support assembly; 20: a gear assembly; 30: a rack assembly;

11: a housing;

21: a first gear; 22: a second gear; 23: a third gear; 24: a rotating shaft;

31: a first linear rack; 32: a second linear rack; 33: a third linear rack; 34: a fourth linear rack; 35: and (5) a rollback structure.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides an auxiliary positioning jig which comprises a supporting component, a gear component and a rack component. The gear assembly and the rack assembly are arranged on the supporting assembly, namely the appearance of the supporting assembly is the appearance of the auxiliary positioning jig, the gear assembly can rotate in the supporting assembly, the rack assembly is used for driving the gear assembly to synchronously rotate, and the stretching distances of the rack assemblies connected with the same gear assembly are the same.

The following describes each component of the auxiliary positioning jig, and the positional relationship and connection relationship between each component in the embodiment of the utility model with reference to the accompanying drawings.

As shown in fig. 1 to 3, the gear assembly 20 and the rack assembly 30 are respectively provided on the frame body; the rack assembly 30 includes two linear racks which are engaged with two points of the gear assembly 20, respectively, with an angle of 180 degrees therebetween, and are used to drive the gear assembly 20 to rotate synchronously.

When the positioning jig is used, the two linear racks are pulled simultaneously, and as the two linear racks are meshed with the gear assembly 20, the pulled distances of the two linear racks are the same; when a measurement operation is required, the linear rack is pulled, and then the position of the gear assembly 20 can be determined as the position required to be positioned.

In an embodiment of the present utility model, the gear assembly 20 includes a first gear 21, the first gear 21 having a first set diameter; the rack assembly 30 includes a first linear rack 31 and a second linear rack 32, the first linear rack 31 and the second linear rack 32 being engaged with a first point and a second point of the first gear 21, respectively, an angle between the first point and the second point being 180 degrees.

The first gear 21, the first linear rack 31 and the second linear rack 32 form a "centering" mode, for example, the first gear 21, the first linear rack 31 and the second linear rack 32 are used for length positioning, one end of the first linear rack 31 is pulled to one end of the length of the product 2 to be positioned, one end of the second linear rack 32 is pulled to the other end of the length of the product 2 to be positioned, wherein the initial state of the first linear rack 31 and the initial state of the second linear rack 32 are the same, so that when the first linear rack 31 and the second linear rack 32 are pulled to the end of the product 2 to be positioned, the lengths of the first linear rack 31 and the second linear rack 32 are still the same, and at the moment, the position corresponding to the center of the circle of the first gear 21 is the centering position in the length direction.

In the embodiment of the utility model, the auxiliary positioning jig 1 can also realize a 'proportional positioning' mode, the gear assembly 20 also comprises a duplex wheel, the duplex wheel comprises a second gear 22 and a third gear 23, the second gear 22 has a second set diameter, the third gear 23 has a third set diameter, the first gear 21 is positioned on one side of the third gear 23 far away from the second gear 22, and the circle centers of the first gear 21, the second gear 22 and the third gear 23 are overlapped; the rack assembly 30 includes a third linear rack 33 and a fourth linear rack 34, the third linear rack 33 being engaged with a third point of the second gear 22, the fourth linear rack 34 being engaged with a fourth point of the third gear 23, the angle between the third point and the fourth point being 180 degrees. One end of the third linear rack 33 is dragged to one end of the product 2 to be positioned, one end of the fourth linear rack 34 is dragged to the other end of the product 2 to be positioned, wherein the third gear 23 and the fourth gear are fixedly connected, the two gears rotate synchronously, and the third set diameter and the fourth set diameter are set to be in a certain proportional relationship (diameters of the two are different), so that dragging strokes of the third linear rack 33 and the fourth linear rack 34 are different, and the specific stroke proportional relationship is the same as the proportional relationship of the third set diameter and the fourth set diameter. By setting the proportional relation between the third set diameter and the fourth set diameter, the moving position of the auxiliary positioning jig 1 can be determined.

For example, the angle between the third point and the first point or the second point, and the angle between the fourth point and the first point or the second point are 90 degrees. As shown in fig. 2, the first linear rack 31 and the second linear rack 32 are respectively engaged with the point a and the point B of the first gear 21, the third linear rack 33 is engaged with the point C of the second gear 22, and the fourth linear rack 34 is engaged with the point D of the third gear 23. The first linear rack 31, the second linear rack 32, the third linear rack 33 and the fourth linear rack 34 are unfolded to be in a cross shape, that is, the position of the auxiliary positioning jig 1 can be adjusted according to a set proportion at least in the horizontal direction and the vertical direction.

For example, the radius ratio of the second gear 22 and the third gear 23 is 0.382:0.618, and the third linear rack 33 and the fourth linear rack 34 are arranged along the vertical direction, and finally, the third linear rack 33 and the fourth linear rack 34 are arranged centrally in the horizontal auxiliary positioning jig 1 by respectively pulling the first linear rack 31, the second linear rack 32, the third linear rack 33 and the fourth linear rack 34, and the two-section distance ratio in the vertical auxiliary positioning jig 1 is 0.382:0.618.

In an embodiment of the present utility model, the rack assembly 30 further includes a rewind structure 35; one end of the linear rack is a pulling end, the pulling end is located outside the frame body, the other end of the linear rack is connected with the rewinding structure 35, and the rewinding structure 35 is used for driving the linear rack to reset.

When the linear rack is pulled, the resilience force of the rewinding structure 35 needs to be overcome, and when the linear rack is loosened, the linear rack automatically resets under the action of the rewinding structure 35. For example, the rewinding structure 35 includes a housing 11 and a rewinding spring, a core of which is fixedly connected with the housing 11, an end of which is connected with one end of the linear rack; the linear rack is contracted in the return process of the return spring. When the linear rack is pulled out, the rewinding spring is contracted and tensioned, and when the pulling of the linear rack is released, the rewinding spring is reset and simultaneously automatically pulls the linear rack back.

In the embodiment of the utility model, the pulling end comprises a hanging structure; the hanging structure is used for hanging on the frame body or the product 2 to be positioned. The hanging structure is arranged in a protruding mode, a certain angle is formed between the hanging structure and the end portion of the linear rack, the linear rack is in a non-use state, the hanging structure is hung on the frame body, the linear rack is in a use state, and the hanging structure is hung on the edge of a product 2 to be positioned. The linear rack is conveniently fixed by arranging the hanging structure.

With continued reference to fig. 1 to 3, in the embodiment of the present utility model, a marking structure is provided at the center of the first gear 21, the second gear 22, and the third gear 23; after the first gear 21, the second gear 22 and the third gear 23 are positioned to the designated positions, positions corresponding to the circle centers of the first gear 21, the second gear 22 and the third gear 23 are marked by the marking structure.

In order to facilitate marking of positioning points, marking structures are arranged at the circle centers of the first gear 21, the second gear 22 and the third gear 23, and after the auxiliary positioning jig 1 reaches the positioning position, the positioning is performed by directly utilizing the marking structures on the gears. For example, the gear assembly 20 includes a rotating shaft 24, and the first gear 21, the second gear 22 and the third gear 23 are sleeved on the rotating shaft 24; the rotating shaft 24 is hollow along the axial direction, and a marking structure is arranged in the hollow structure in a penetrating way. The marking structure is operated to mark within the hollow structure. For example, the marking structure is a marker pen, and after the auxiliary positioning jig 1 moves to the positioning position, the positioning position is marked by pressing the marker pen.

In the embodiment of the utility model, the supporting component 10 further comprises a rectangular shell 11, and the side wall of the shell 11 is provided with a penetrating opening of the linear rack. The gear assembly 20 and the rack assembly 30 are arranged in the shell 11, the gear assembly 20 and the rack assembly 30 are protected, and meanwhile, the auxiliary positioning jig 1 is of an integral structure and is better tested. For example, one side of the housing 11 is a flat surface for conforming to the surface of the product 2 with the positioning.

Taking the screen of the notebook computer as an example, as shown in fig. 4, the screen horizontal mode of the notebook computer is adopted to preset the diameter ratio of the second gear 22 and the third gear 23 in the duplex wheel, then the opposite linear racks are pulled respectively, finally, the auxiliary positioning jig 1 is moved to the position required to be positioned, and the position is marked by the marking structure. As shown in fig. 5, the star marks in the screen may mark the marks where the structures are located.

Taking the mark of the self-defined notebook startup picture of the notebook computer as an example, whether the function is qualified can be determined by visually measuring the position relation between the mark and the startup animation by a tester.

According to the auxiliary positioning jig 1 provided by the utility model, when positioning operation is required, two linear racks are synchronously pulled, and the end parts of the linear racks are placed at the designated positions, wherein the gear assembly 20 is driven by the linear racks to synchronously rotate, and the position corresponding to the gear assembly 20 is the position required to be positioned. By adopting the positioning mode, quick and accurate positioning can be performed, and the positioning device is particularly suitable for positioning products 2 with different sizes.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The auxiliary positioning jig is characterized by comprising a supporting component (10), a gear component (20) and a rack component (30), wherein the supporting component (10) comprises a frame body, and the gear component (20) and the rack component (30) are respectively arranged on the frame body;

The rack assembly (30) comprises two linear racks, the two linear racks are respectively meshed with two points of the gear assembly (20), an angle between the two meshing points is 180 degrees, and the two linear racks are used for driving the gear assembly (20) to synchronously rotate.

2. The positioning aid according to claim 1, wherein the gear assembly (20) comprises a first gear (21), the first gear (21) having a first set diameter;

the rack assembly (30) comprises a first linear rack (31) and a second linear rack (32), wherein the first linear rack (31) and the second linear rack (32) are respectively meshed with a first point and a second point of the first gear (21), and an angle between the first point and the second point is 180 degrees.

3. The positioning aid according to claim 2, wherein the gear assembly (20) further comprises a double wheel comprising a second gear (22) and a third gear (23), the second gear (22) having a second set diameter, the third gear (23) having a third set diameter, the first gear (21) being located on a side of the third gear (23) remote from the second gear (22), and the centers of the first gear (21), the second gear (22) and the third gear (23) being coincident;

the rack assembly (30) comprises a third linear rack (33) and a fourth linear rack (34), the third linear rack (33) is meshed with a third point of the second gear (22), the fourth linear rack (34) is meshed with a fourth point of the third gear (23), an angle between the third point and the fourth point is 180 degrees, and an angle between the third point and the first point or the second point, and an angle between the fourth point and the first point or the second point is 90 degrees.

4. The auxiliary positioning jig according to any one of claims 1 to 3, wherein the rack assembly (30) further comprises a rollback structure (35);

One end of the linear rack is a pulling end, the pulling end is located outside the frame body, the other end of the linear rack is connected with the rewinding structure (35), and the rewinding structure (35) is used for driving the linear rack to reset.

5. The auxiliary positioning jig according to claim 4, wherein the rollback structure (35) comprises a housing and a rollback spring, a core of the rollback spring is fixedly connected with the housing, and an end of the rollback spring is connected with one end of the linear rack;

and the linear rack is contracted in the return process of the return spring.

6. The positioning aid of claim 4, wherein the pulling end comprises a hitching structure;

The hanging structure is used for being hung on the frame body or a product (2) to be positioned.

7. The auxiliary positioning jig according to claim 3, wherein a marking structure is provided at the circle centers of the first gear (21), the second gear (22) and the third gear (23);

after the first gear, the second gear (22) and the third gear (23) are positioned to the designated positions, positions corresponding to the circle centers of the first gear, the second gear (22) and the third gear are marked through the marking structure.

8. The auxiliary positioning jig according to claim 7, wherein the gear assembly (20) comprises a rotating shaft (24), and the first gear (21), the second gear (22) and the third gear (23) are sleeved on the rotating shaft (24);

The rotating shaft (24) is of a hollow structure along the axial direction, and the marking structure is arranged in the hollow structure in a penetrating way.

9. A positioning aid according to any one of claims 1 to 3, wherein the support assembly further comprises a rectangular housing (11), the side walls of the housing (11) being provided with the through-going openings for the linear racks.

10. A positioning aid according to claim 3, characterized in that the radius ratio of the second gear (22) to the third gear (23) is 0.382:0.618.