CN219390762U

CN219390762U - Key travel test fixture

Info

Publication number: CN219390762U
Application number: CN202222760605.3U
Authority: CN
Inventors: 谭源; 赵杰; 盛华东
Original assignee: Hefei Haier Washing Machine Co Ltd
Current assignee: Hefei Haier Washing Machine Co Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-07-21
Anticipated expiration: 2032-10-20

Abstract

The utility model provides a key stroke test fixture, which relates to the technical field of washing machine accessory test and comprises the following components: the base mechanism comprises a base plate, the four corners of the lower side of the base plate are fixedly provided with supporting legs, one end of the upper side of the base plate is embedded with a supporting column, the supporting column is in threaded connection with a screwing bolt penetrating through the design of the base plate, and the supporting column is provided with a clamping mechanism. The utility model avoids the situation that the dial indicator is displaced in the test process due to manual operation and finally leads to error of reading value, and the provided base plate can also act as a platform, thereby helping a user to find the center point of the film key and further reducing measurement error.

Description

Key travel test fixture

Technical Field

The utility model relates to the technical field of washing machine accessory testing, in particular to a key stroke testing tool.

Background

The membrane switch of the washing machine plays a role in transmitting instruction information in the electronic complete machine product. The film switch is a planar, multi-layer combined and sealed structure, and is an assembly of an electronic whole machine operating system integrating a key film switch, a panel function mark, a reading display transparent window, an indicator light window hole and a circuit. The membrane switch is a switch made by printing a contact circuit with conductive paste on a flexible polycarbonate or polyester membrane, and is one type of contact switch.

The conventional film switch of the washing machine generally needs to measure the stroke in the production design process, and the conventional measuring mode is to measure the height difference of the case in the pressing state and the supporting state by using a dial indicator or a dial indicator, so that the stroke is measured.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, generally a handheld dial indicator or a dial indicator, is very easy to generate measurement errors caused by hand shake of a user, has certain resistance to the subsequent establishment of qualified production specifications, and provides a key stroke test tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a key stroke test fixture comprising: the base mechanism comprises a base plate, the four corners of the lower side of the base plate are fixedly provided with supporting legs, one end of the upper side of the base plate is embedded with a supporting column, the supporting column is in threaded connection with a screwing bolt penetrating through the design of the base plate, and the supporting column is provided with a clamping mechanism.

As a preferred implementation mode, the clamping mechanism comprises a clamp, a dial indicator clamping head is arranged at one end of the clamp, two dial indicator positioning holes are formed in the dial indicator clamping head in a penetrating mode, and the two dial indicator positioning holes are arranged in parallel relative to the supporting upright post.

The technical effect of adopting the further scheme is as follows: the dial indicator can be positioned and placed, and positioning is inaccurate when the dial indicator is placed and installed.

As a preferred implementation mode, one end of the dial indicator clamping head is connected with an adjusting bolt in a threaded mode, a rotating handle is arranged at one end of the adjusting bolt, and a supporting sleeve is arranged on the adjusting bolt between the rotating handle and the dial indicator clamping head.

The technical effect of adopting the further scheme is as follows: the add-divide meter can be clamped, and clamping is convenient when clamping.

As a preferred implementation mode, the one end that the clamp kept away from the amesdial clamping head is equipped with the stand clamping head, the perforation has been run through to be seted up on the stand clamping head, the support column slides and sets up in the perforation, threaded connection has the regulation bolt on the one end that the amesdial clamping head was kept away from to the stand clamping head.

The technical effect of adopting the further scheme is as follows: the position of the dial indicator on the supporting upright post can be adjusted.

As a preferred implementation mode, the adjusting bolt comprises a threaded bolt pipe, a notch is formed in the threaded bolt pipe, a cross-shaped sliding block is arranged in the threaded bolt pipe in a sliding mode, and two side ends of the cross-shaped sliding block are arranged in the notch in a sliding mode.

As a preferred implementation mode, one end of the cross-shaped sliding block is rotatably connected with a bolt handle through a connecting bolt, one end of the bolt handle, which is far away from the connecting bolt, is connected with a bolt head through a threaded bolt pipe, and one end of the threaded bolt pipe, which is close to the bolt head, is provided with an end block.

The technical effect of adopting the further scheme is as follows: the clamping force of the perforation to the support upright post is conveniently adjusted, so that the whole clamping mechanism can be adjusted in a more stable mode.

Compared with the prior art, the utility model has the advantages and positive effects that:

the utility model avoids the situation that the dial indicator is displaced in the test process due to manual operation and finally leads to error of reading value, and the provided base plate can also act as a platform, thereby helping a user to find the center point of the film key and further reducing measurement errors.

Drawings

Fig. 1 is a schematic perspective view of a key stroke test fixture provided by the utility model.

Fig. 2 is a schematic diagram of a bottom structure of a key stroke test fixture provided by the utility model.

Fig. 3 is a schematic diagram of a fixture structure of a key stroke test fixture provided by the utility model.

Fig. 4 is a schematic diagram of an adjusting bolt structure of a key stroke test fixture provided by the utility model.

Legend description:

1. a base mechanism; 2. a clamping mechanism;

11. a base plate; 12. a support leg; 13. screwing the bolt; 14. a support column;

21. a clamp; 22. a dial gauge clamping head; 23. a dial gauge positioning hole; 24. an adjusting bolt; 25. a rotary handle; 26. abutting sleeve; 27. a column clamping head; 28. perforating; 29. an adjusting bolt;

291. a threaded bolt tube; 292. a notch; 293. a cross-shaped sliding block; 294. a connecting bolt; 295. a bolt handle; 296. a bolt head; 297. and a terminal block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

Example 1

As shown in fig. 1-3, the present utility model provides a technical solution: a key stroke test fixture comprising: the base mechanism 1, base mechanism 1 includes bed plate 11, four equal fixed mounting of downside four corners of bed plate 11 have stabilizer blade 12, the last side one end department gomphosis of bed plate 11 has support post 14, support post 14 threaded connection has the bolt 13 of screwing that runs through the design of bed plate 11, install fixture 2 on the support post 14, fixture 2 includes anchor clamps 21, be equipped with the amesdial clamping head 22 on the one end of anchor clamps 21, two amesdial locating holes 23 have been run through on the amesdial clamping head 22, two amesdial locating holes 23 are for support post 14 parallel arrangement, threaded connection has adjusting bolt 24 on the one end of amesdial clamping head 22, be equipped with on the one end of adjusting bolt 24 and revolve the handle 25, be equipped with the cover 26 on the adjusting bolt 24 between revolve handle 25 and the amesdial clamping head 22, the one end that the amesdial clamping head 22 was kept away from to anchor clamps 21 is equipped with the stand clamping head 27, the perforation 28 has been run through on the stand clamping head 27, the support post 14 slip sets up in perforation 28, the one end that the amesdial clamping head 27 was kept away from the amesdial clamping head 22 is threaded connection has adjusting bolt 29.

In this embodiment, the base mechanism 1 is designed to provide spatial support, the base plate 11 can be used for placing a film button of a washing machine, the supporting upright 14 supports the clamping mechanism 2, and the user can conveniently adjust the overall height of the clamping mechanism 2 through the adjustable connection among the upright clamping head 27, the through hole 28, the adjusting bolt 29 and the supporting upright 14 so as to adapt to the heights of the dial gauges with different specifications, which are clamped and fixed by the dial gauge positioning holes 23, and the fixation of the dial gauges is completed through the interaction between the dial gauge clamping head 22 and the adjusting bolt 24, meanwhile, the contact between the rotary handle 25 and the dial gauge clamping head 22 can be avoided by the design of the supporting sleeve 26, so that the friction loss between the rotary handle 25 and the dial gauge clamping head 22 is reduced, and the design increases the distance between the rotary handle 25 and the dial gauge clamping head 22, so that the user can operate the rotary handle 25 conveniently.

Example 2

As shown in fig. 1 to 4, the adjusting bolt 29 comprises a threaded bolt tube 291, a notch 292 is formed in the threaded bolt tube 291, a cross-shaped slider 293 is slidably arranged in the threaded bolt tube 291, two side ends of the cross-shaped slider 293 are slidably arranged in the notch 292, a bolt handle 295 is rotatably connected to one end of the cross-shaped slider 293 through a connecting bolt 294, a bolt head 296 is connected to one end of the bolt handle 295 away from the connecting bolt 294 through the threaded bolt tube 291, and an end block 297 is arranged at one end of the threaded bolt tube 291 close to the bolt head 296.

In this embodiment, through setting up cross slider 293 and sliding in the inside of screw bolt pipe 291, make it accomodate to the inside of screw bolt pipe 291 through the bolt shank 295 that connecting bolt 294 connects, accomplish holistic shrink, through reducing the extension length of bolt head 296, avoid adjusting bolt 29 wholly touched the circumstances that leads to bolt state to become flexible by mistake, the design of cross slider 293 side surface convex part in notch 292 sliding simultaneously, make cross slider 293 wholly when being driven rotatory by bolt shank 295, screw bolt pipe 291 also can rotate, thereby play the effect of bolt, the mode of being connected through connecting bolt 294 between cross slider 293 and the bolt shank 295, make can rotate between the two, so when bolt shank 295 stretches out completely, can be the right angle with the axial of connecting bolt 294, more convenient for the user rotates cross slider 293 through bolt head 296.

Working principle:

as shown in fig. 1-4, when in use, a user firstly inserts the dial indicator into the dial indicator positioning hole 23, and fastens the dial indicator clamping head 22 by rotating the rotary handle 25, thereby completing the fixation of the dial indicator, then adjusts the tightness of the upright post clamping head 27 by the adjusting bolt 29, so that the whole clamping mechanism 2 can move on the supporting upright post 14, thereby enabling the user to adjust the height of the clamping mechanism 2, namely, the height of the dial indicator, after the height adjustment is completed, placing the film button of the washing machine below the dial indicator, performing travel measurement by utilizing the height difference generated when the film button of the washing machine is pressed, and by installing the dial indicator on the clamp 21 and fixing the dial indicator on the base mechanism 1 by the clamp 21, the lower end of the dial indicator can be abutted against the film button by the position of the fine adjustment film button, the peak value of the dial indicator can be read, and then the value of the film can be read, and the value can be read by the peak value of the film button is calculated.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides a button stroke test fixture which characterized in that includes: base mechanism (1), base mechanism (1) include bed plate (11), four corners of downside of bed plate (11) are all fixed mounting have stabilizer blade (12), the gomphosis of the upside one end department of bed plate (11) has support post (14), support post (14) threaded connection has screw bolt (13) that run through the design of bed plate (11), install fixture (2) on support post (14).

2. The key stroke test fixture of claim 1, wherein: the clamping mechanism (2) comprises a clamp (21), a dial indicator clamping head (22) is arranged at one end of the clamp (21), two dial indicator positioning holes (23) are formed in the dial indicator clamping head (22) in a penetrating mode, and the two dial indicator positioning holes (23) are arranged in parallel relative to the supporting upright post (14).

3. The key stroke test fixture of claim 2, wherein: one end of the dial indicator clamping head (22) is connected with an adjusting bolt (24) in a threaded mode, a rotating handle (25) is arranged at one end of the adjusting bolt (24), and a supporting sleeve (26) is arranged on the adjusting bolt (24) between the rotating handle (25) and the dial indicator clamping head (22).

4. The key stroke test fixture of claim 2, wherein: the utility model discloses a dial indicator, including anchor clamps (21), dial indicator clamping head (22), support stand (14), anchor clamps (21), anchor clamps (27) are kept away from the one end of dial indicator clamping head (22) and are equipped with stand clamping head (27), perforating (28) have been run through to have been seted up on stand clamping head (27), support stand (14) slip sets up in perforating (28), threaded connection has adjusting bolt (29) on the one end that dial indicator clamping head (22) was kept away from to stand clamping head (27).

5. The key stroke test fixture of claim 4, wherein: the adjusting bolt (29) comprises a threaded bolt pipe (291), a notch (292) is formed in the threaded bolt pipe (291), a cross-shaped slider (293) is slidably arranged in the threaded bolt pipe (291), and two side ends of the cross-shaped slider (293) are slidably arranged in the notch (292).

6. The key stroke test fixture of claim 5, wherein: one end of the cross-shaped slider (293) is rotatably connected with a bolt handle (295) through a connecting bolt (294), one end of the bolt handle (295) far away from the connecting bolt (294) penetrates through a threaded bolt pipe (291) to be connected with a bolt head (296), and one end of the threaded bolt pipe (291) close to the bolt head (296) is provided with a head block (297).