CN219391655U

CN219391655U - Silica gel button compression deformation testing arrangement

Info

Publication number: CN219391655U
Application number: CN202222860036.XU
Authority: CN
Inventors: 黄磊; 任曙彪; 彭琪; 高辉云; 黄露露; 张更勤
Original assignee: Xingke Electronics Dongguan Co Ltd
Current assignee: Xingke Electronics Dongguan Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-07-21
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a silica gel key compression deformation testing device which comprises a workbench, wherein a mounting bracket is arranged at the top of the workbench, a hydraulic press is arranged at the top of the mounting bracket, a test bench is arranged at the bottom of the hydraulic press, a compression block is arranged at the top of the test bench, the top of the compression block is fixedly connected with the output end of the hydraulic press, a U-shaped blocking block is arranged at the outer side of the test bench, and an adjusting mechanism is arranged between the U-shaped blocking block and the workbench. According to the utility model, the U-shaped blocking block is arranged, so that the compression block can be blocked, the distance between the top of the U-shaped blocking block and the test bench is half of that of the silica gel keys, excessive extrusion of the silica gel keys due to excessive movement of the compression block is avoided, further, the accuracy of a test result is effectively ensured, and meanwhile, the distance between the top of the U-shaped blocking block and the test bench can be adjusted by the adjusting mechanism, and the silica gel keys with different thicknesses can be tested.

Description

Silica gel button compression deformation testing arrangement

Technical Field

The utility model belongs to the technical field of silica gel keys, and particularly relates to a silica gel key compression deformation testing device.

Background

The electronic product has an attractive appearance and is easy to attract more consumers. Many of the prior art electronic products have push-button switches. Among them, the silica gel key is a kind of key switch commonly used. After the production of the silica gel key is completed, the compression deformation test is required, and the process is as follows: after compressing the silica gel key to 50% of the original thickness at 100 ℃ for 22 hours, the key is then restored at room temperature for 24 hours, and the total deformation cannot exceed 15% of the original thickness.

When the silica gel key is compressed, the compression block is not limited, whether the compression is excessive or not cannot be ensured, and then the test result is inaccurate and the accurate test result cannot be obtained.

Therefore, it is necessary to provide a device for testing compression set of a silica gel key to solve the above problems.

Disclosure of Invention

The utility model provides a device for testing compression deformation of a silica gel key, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a workbench, wherein a mounting bracket is arranged at the top of the workbench, a hydraulic press is arranged on the mounting bracket, the output end of the hydraulic press is downwards arranged and connected with a compression block, and a test bench is arranged at the top of the workbench right below the compression block;

the test bench is characterized in that a U-shaped blocking block is arranged on the outer side wall of the test bench in a three-in-one mode, and an adjusting mechanism is arranged between the U-shaped blocking block and the workbench.

Optionally, adjustment mechanism includes auxiliary block and a plurality of spring, the spring both ends respectively with the bottom of U-shaped blocking piece with the top fixed connection of workstation, the inside rotation grafting of auxiliary block has the lead screw, the top of lead screw runs through and extends to auxiliary block outside and fixedly connected with knob, the screw thread has cup jointed the movable block on lead screw surface, the movable block with the U-shaped blocking piece is kept away from one side fixed connection of testboard.

Optionally, the top of testboard is provided with the roll-over stand, one side of roll-over stand with the testboard is articulated, the opposite side of roll-over stand is provided with the impeller, set up on the U-shaped block and be used for installing the installation chute of impeller, the middle part one section of impeller is arranged in the installation chute just the equal fixedly connected with dwang in both sides of the middle part one section of impeller, the dwang with the cell wall rotation of installation chute is connected, the top of the middle part one section of impeller still is provided with the elastic block, the elastic block is located the dwang is close to one side of roll-over stand, the impeller is kept away from the one end of roll-over stand stretches out through the installation chute outside the U-shaped block.

Optionally, the area of the bottom surface of the compression block is greater than the sum of the areas of the top surface of the test bench and the top surface of the U-shaped blocking block.

Optionally, a heating mechanism is arranged between the compression block and the test bench, and the highest test temperature of the test bench is 100 degrees.

Optionally, the knob surface is provided with a friction soft layer having a rough surface structure.

Optionally, the roll-over stand deflects at an angle of 0-5 degrees.

The utility model has the technical effects and advantages that:

1. according to the utility model, the U-shaped blocking block is arranged, so that the compression block can be blocked, the distance between the top of the U-shaped blocking block and the test bench is half of that of the silica gel key, excessive extrusion of the silica gel key due to excessive movement of the compression block is avoided, and the accuracy of a test result is further effectively ensured.

2. According to the utility model, the distance between the top of the U-shaped blocking block and the test bench can be adjusted by arranging the adjusting mechanism, and the silica gel keys with different thicknesses can be tested, so that the applicability of the device is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;

FIG. 2 illustrates a front cross-sectional view of an adjustment mechanism in an embodiment of the utility model;

FIG. 3 illustrates a left side cross-sectional view of a U-shaped stop in an embodiment of the utility model;

in the figure: 1. a work table; 2. a mounting bracket; 3. a hydraulic press; 4. a test bench; 5. a compression block; 6. a U-shaped blocking piece; 7. an auxiliary block; 8. a spring; 9. a screw rod; 10. a knob; 11. a roll-over stand; 12. a pushing block; 13. a rotating lever; 14. an elastic block; 15. and (5) moving the block.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. 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 technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model provides a silica gel key compression deformation testing device, which is shown in figures 1-3, and comprises a workbench 1, wherein a mounting bracket 2 is arranged at the top of the workbench 1, a hydraulic press 3 is arranged on the mounting bracket 2, the output end of the hydraulic press 3 is downwards arranged and connected with a compression block 5, and a testing table 4 is arranged at the top of the workbench 1 under the compression block 5;

the outer side wall of the test bench 4 is provided with a U-shaped blocking block 6 in a three-in-one way, and an adjusting mechanism is arranged between the U-shaped blocking block 6 and the workbench 1.

Specifically, the area of the bottom surface of the compression block 5 is larger than the sum of the areas of the top surface of the test bench 4 and the top surface of the U-shaped blocking block 6.

Specifically, a heating mechanism is arranged between the compression block 5 and the test bench 4, and the highest test temperature of the test bench 4 is 100 degrees.

When carrying out compression set test to the silica gel button, change U-shaped blocking piece 6 position through adjustment mechanism, ensure that the distance between U-shaped blocking piece 6 top and the testboard 4 is half of silica gel button, start the heating mechanism between compression piece 5 and the testboard 4 with it and heat 100 degrees thereupon, alright place the silica gel button that needs the test on testboard 4, start hydraulic press 3 afterwards and drive compression piece 5 and compress the silica gel button, the compression piece 5 bottom is convenient for U-shaped blocking piece 6 laminating, if compression piece 5 excessively moves, U-shaped blocking piece 6 alright block compression piece 5.

According to the utility model, the U-shaped blocking block 6 is arranged, so that the compression block 5 can be blocked, the distance between the top of the U-shaped blocking block 6 and the test bench 4 is half of that of the silica gel keys, excessive extrusion of the silica gel keys caused by excessive movement of the compression block 5 is avoided, and the accuracy of a test result is further effectively ensured.

As shown in fig. 1-2, the adjusting mechanism comprises an auxiliary block 7 and a plurality of springs 8, two ends of each spring 8 are respectively fixedly connected with the bottom of the U-shaped blocking block 6 and the top of the workbench 1, a screw rod 9 is inserted in the auxiliary block 7 in a rotating mode, the top end of the screw rod 9 penetrates through and extends to the outside of the auxiliary block 7 and is fixedly connected with a knob 10, a moving block 15 is sleeved on the surface of the screw rod 9 in a threaded mode, and the moving block 15 is fixedly connected with one side, away from the test bench 4, of the U-shaped blocking block 6. Specifically, the surface of the knob 10 is provided with a friction soft layer having a rough surface structure.

When carrying out compression set test to the silica gel button of different thickness, rotate knob 10 and drive lead screw 9 and rotate, movable block 15 just drives U-shaped blocking piece 6 along with this and remove, and U-shaped blocking piece 6 removes and compresses spring 8, and a plurality of spring 8 sets up in U-shaped blocking piece 6 both sides and makes it keep stable when compressing, avoids compression piece 5 excessive movement to extrude U-shaped blocking piece 6 and warp.

According to the utility model, the distance between the top of the U-shaped blocking block 6 and the test bench 4 can be adjusted by arranging the adjusting mechanism, and the silica gel keys with different thicknesses can be tested, so that the applicability of the device is effectively improved.

As shown in fig. 1-3, the top of the test bench 4 is provided with a roll-over stand 11, one side of the roll-over stand 11 is hinged with the test bench 4, the other side of the roll-over stand 11 is provided with a pushing block 12, a U-shaped blocking block 6 is provided with a mounting chute for mounting the pushing block 12, the pushing block 12 is arranged in the mounting chute in a section in the middle of the pushing block 12, two sides of the section in the middle of the pushing block 12 are fixedly connected with a rotating rod 13, the rotating rod 13 is rotationally connected with the groove wall of the mounting chute, the top of the section in the middle of the pushing block 12 is also provided with an elastic block 14, the elastic block 14 is positioned on one side of the rotating rod 13 close to the roll-over stand 11, and one end of the pushing block 12 away from the roll-over stand 11 extends out of the U-shaped blocking block 6 through the mounting chute. Specifically, the roll-over stand 11 is deflected by an angle of 0 to 5 degrees.

After the compression deformation test of the silica gel key is finished, the silica gel key is required to be taken down for cooling and placed, the temperature of the silica gel key and the temperature of the test table 4 are too high, scalding is easily caused when the silica gel key and the test table 4 are taken down, the pushing block 12 is pressed down to enable the silica gel key to rotate by taking the rotating rod 13 as the center, the elastic block 14 is compressed along with the pushing block, the pushing block 12 deflects to lift one side of the roll-over stand 11, the roll-over stand 11 deflects at the hinge position of the silica gel key and the test table 4, the roll-over stand 11 drives the silica gel key to leave the surface of the silica gel key, and the silica gel key is conveniently taken down, so that scalding caused by long-time contact between workers and the test table 4 is avoided.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a silica gel button compression deformation testing arrangement, includes workstation (1), its characterized in that: the device comprises a workbench (1), and is characterized in that a mounting bracket (2) is arranged at the top of the workbench (1), a hydraulic machine (3) is arranged on the mounting bracket (2), the output end of the hydraulic machine (3) is downwards arranged and connected with a compression block (5), and a test table (4) is arranged at the top of the workbench (1) under the compression block (5);

the test bench (4) is characterized in that a U-shaped blocking block (6) is arranged on the outer side wall of the test bench in a three-in-one mode, and an adjusting mechanism is arranged between the U-shaped blocking block (6) and the workbench (1).

2. The device for testing compression set of a silicone key according to claim 1, wherein: the adjusting mechanism comprises an auxiliary block (7) and a plurality of springs (8), wherein two ends of each spring (8) are respectively fixedly connected with the bottom of the U-shaped blocking block (6) and the top of the workbench (1), a screw rod (9) is inserted into the auxiliary block (7) in a rotating mode, the top end of the screw rod (9) penetrates through and extends to the outside of the auxiliary block (7) and is fixedly connected with a knob (10), a moving block (15) is sleeved on the surface of the screw rod (9) through threads, and the moving block (15) is fixedly connected with one side, away from the test bench (4), of the U-shaped blocking block (6).

3. The device for testing compression set of a silicone key according to claim 1, wherein: the top of testboard (4) is provided with roll-over stand (11), one side of roll-over stand (11) with testboard (4) are articulated, the opposite side of roll-over stand (11) is provided with impeller (12), set up on U-shaped blocking piece (6) and be used for the installation impeller (12) install the chute, impeller (12), the middle part one section of impeller (12) is arranged in the installation chute just the equal fixedly connected with dwang (13) in both sides of the middle part one section of impeller (12), dwang (13) with the cell wall rotation of installation chute is connected, the top of the middle part one section of impeller (12) still is provided with elastic block (14), elastic block (14) are located dwang (13) are close to one side of roll-over stand (11), impeller (12) are kept away from the one end of roll-over stand (11) stretches out through the installation chute outside U-shaped blocking piece (6).

4. The device for testing compression set of a silicone key according to claim 1, wherein: the area of the bottom surface of the compression block (5) is larger than the sum of the areas of the top surface of the test bench (4) and the top surface of the U-shaped blocking block (6).

5. The device for testing compression set of a silicone key according to claim 1, wherein: a heating mechanism is arranged between the compression block (5) and the test table (4), and the highest test temperature of the test table (4) is 100 degrees.

6. The device for testing compression set of a silicone key according to claim 2, wherein: the surface of the knob (10) is provided with a friction soft layer, and the friction soft layer has a rough surface structure.

7. A silicone keypad compression set testing device according to claim 3, wherein: the deflection angle of the roll-over stand (11) is 0-5 degrees.