CN220819393U - Membrane switch life-span detection device - Google Patents
Membrane switch life-span detection device Download PDFInfo
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- CN220819393U CN220819393U CN202321769624.0U CN202321769624U CN220819393U CN 220819393 U CN220819393 U CN 220819393U CN 202321769624 U CN202321769624 U CN 202321769624U CN 220819393 U CN220819393 U CN 220819393U
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- membrane switch
- fixedly connected
- reciprocating
- regulating plate
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- 239000012528 membrane Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 8
- 239000010409 thin film Substances 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model provides a device for detecting the service life of a membrane switch, which relates to the field of membrane switch detection and comprises a bottom plate, wherein the rear end of the top of the bottom plate is fixedly connected with a reciprocating mechanism, the reciprocating mechanism comprises a mounting frame, the inner cavity of the mounting frame is movably connected with a reciprocating plate, and one end of the reciprocating plate penetrates through the mounting frame; according to the utility model, the movable groove, the insert blocks and the threaded sleeve are arranged, so that the first adjusting plate and the second adjusting plate can be fixed along the inner cavity of the movable groove, meanwhile, the second adjusting plate and the third adjusting plate are fixed along the inner cavity of the movable groove, the insert blocks are arranged in the inner cavities of the movable grooves according to the number requirement of detection positions, and the movable frame, the pressing block and the first adjusting plate are matched for synchronous repeated height adjustment, so that synchronous pressing tests are carried out on a plurality of membrane switches or a plurality of keys on the membrane switches at the top of the bottom plate, and the service life of the membrane switches is detected.
Description
Technical Field
The utility model belongs to the field of membrane switch detection, and particularly relates to a membrane switch service life detection device.
Background
The membrane switch is a common switch integrated with devices such as a key and a panel, the common membrane switch has a short key stroke, the function of the corresponding key can be triggered by simple pressing, and the function of quick reset after pressing can be achieved by matching with the internal stainless steel reed, so that the service life of the membrane switch is closely related to the durability of the stainless steel reed, and in order to know the service life of the membrane switch, repeated pressing of the membrane switch is needed to achieve the effect of service life detection;
According to the Chinese patent application number: 202022791511.3 discloses a membrane switch service life detection device, which comprises a bottom plate, wherein the inner wall of the bottom plate is rotationally connected with a turntable, the inner wall of the turntable is fixedly connected with a double-headed motor, the output end of the double-headed motor is provided with a first screw rod, the surface of the first screw rod is in threaded connection with a first connecting piece, when detecting different membrane switches, a person manually rotates the turntable to enable the turntable to rotate a proper angle, then controls a servo motor to enable the second screw rod to rotate through a first helical tooth, a second helical tooth and a transmission shaft, the second screw rod enables the second connecting piece to move through threads arranged on the surface, and drives a detector body to move through an electric rod, and after reaching a proper position, the electric rod stretches to enable the detector body to move downwards for detection, so that multi-angle adjustment can be achieved, and the situation that the detector body is not aligned with the membrane switches when detecting different membrane switches is avoided;
The comparison example achieves the detection and fixation of the membrane switch keys conveniently through the clamping and angle adjustment of the membrane switch, but in use, the device only presses and detects the keys on a single membrane switch, and the synchronous detection operation of a plurality of keys or the detection requirement of a plurality of membrane switches on the membrane switch cannot be carried out, so that the detection efficiency of the membrane switch is reduced.
In summary, the present utility model provides a membrane switch lifetime detection device to solve the above-mentioned problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a membrane switch life-span detection device, includes the bottom plate, the rear end fixedly connected with reciprocating mechanism at bottom plate top, reciprocating mechanism includes the installing frame, the inner chamber swing joint of installing frame has the reciprocating plate, the one end of reciprocating plate runs through the installing frame, and the first regulating plate of fixedly connected with, the top of first regulating plate is provided with the second regulating plate, the both sides of second regulating plate all are provided with the third regulating plate, the movable groove has all been seted up at the both sides on first regulating plate and third regulating plate surface and the top of second regulating plate, the bottom swing joint of movable groove has the inserted block, and the middle part the one end of inserted block runs through the movable groove and extends to the top of first regulating plate and second regulating plate, and the both sides middle part the one end of inserted block runs through the movable groove and extends to the top of third regulating plate, the surface threaded connection of inserted block has the screw thread bush, the bottom fixedly connected with movable frame of inserted block, the movable connection has the movable block down to the outside of movable frame, the movable connection has the lower extreme under the briquetting.
Preferably, the periphery of the top of the bottom plate is movably connected with a fixing plate, and two sides of the top of the fixing plate are in threaded connection with the bottom plate through bolts.
Preferably, the adjusting grooves are formed in the periphery of the top of the bottom plate, and the bolts at the top of the fixing plate penetrate through the fixing plate and extend to the inner cavities of the adjusting grooves to be in threaded connection with the inner cavities of the adjusting grooves.
Preferably, the top fixedly connected with sleeve of briquetting down, telescopic inner chamber swing joint has the extension rod, and the upper end of extension rod runs through the sleeve, with the top fixed connection of movable frame inner chamber.
Preferably, the surface of the sleeve is sleeved with a spring, and two ends of the spring are fixedly connected with the top of the lower pressing block and the inner wall of the movable frame respectively.
Preferably, the reciprocating mechanism further comprises a cam, the cam is movably connected with the inner wall of the mounting frame through a connecting rod and is in contact with the bottom of the reciprocating plate, one side of the inner cavity of the mounting frame is fixedly connected with a motor, and an output shaft of the motor is in transmission connection with the cam.
Preferably, the top fixedly connected with gag lever post of reciprocal board, the upper end of gag lever post runs through the installing frame, and fixedly connected with balancing weight.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the bottom plate is arranged to support the membrane switch to be detected and the reciprocating mechanism, and the reciprocating mechanism is arranged to drive the first adjusting plate to adjust the height repeatedly by matching with the repeated up-down movement of the mounting frame.
2. According to the utility model, the movable groove, the insert blocks and the threaded sleeve are arranged, so that the first adjusting plate and the second adjusting plate can be fixed along the inner cavity of the movable groove, meanwhile, the second adjusting plate and the third adjusting plate are fixed along the inner cavity of the movable groove, the insert blocks are arranged in the inner cavities of the movable grooves according to the number requirement of detection positions, and the movable frame, the pressing block and the first adjusting plate are matched for synchronous repeated height adjustment, so that synchronous pressing tests are carried out on a plurality of membrane switches or a plurality of keys on the membrane switches at the top of the bottom plate, and the service life of the membrane switches is detected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram showing the structure of the separation state of the lower pressing block and the movable frame;
FIG. 3 is a schematic view showing the structure of the cam and the reciprocating plate in a separated state according to the present utility model;
fig. 4 is a schematic view of a partially enlarged structure of fig. 1 a according to the present utility model.
In the figure:
1. A bottom plate; 2. a reciprocating mechanism; 201. a mounting frame; 202. a shuttle plate; 203. a cam; 204. a motor; 205. a limit rod; 206. balancing weight; 3. a first adjustment plate; 4. a second adjusting plate; 5. a third adjusting plate; 6. a movable groove; 7. inserting blocks; 8. a thread sleeve; 9. a movable frame; 10. pressing the block; 11. a fixing plate; 12. an adjustment tank; 13. a sleeve; 14. and (3) a spring.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides a film switch life detection device, which comprises a bottom plate 1, wherein the rear end of the top of the bottom plate 1 is fixedly connected with a reciprocating mechanism 2, the reciprocating mechanism 2 comprises a mounting frame 201, the inner cavity of the mounting frame 201 is movably connected with a reciprocating plate 202, one end of the reciprocating plate 202 penetrates through the mounting frame 201 and is fixedly connected with a first adjusting plate 3, the top of the first adjusting plate 3 is provided with a second adjusting plate 4, both sides of the second adjusting plate 4 are provided with a third adjusting plate 5, both sides of the surfaces of the first adjusting plate 3 and the third adjusting plate 5 and the top of the second adjusting plate 4 are provided with movable grooves 6, the bottom of the movable groove 6 is movably connected with an inserting block 7, one end of the middle inserting block 7 penetrates through the movable groove 6 and extends to the upper parts of the first adjusting plate 3 and the second adjusting plate 4, one end of the middle inserting block 7 at both sides penetrates through the movable groove 6 and extends to the upper parts of the third adjusting plate 5 and the second adjusting plate 4, one end of the peripheral inserting block 7 penetrates through the movable groove 6 and extends to the upper part of the third adjusting plate 5, the surface of the inserting block 7 is connected with a thread sleeve 8 in a threaded manner, the bottom of the inserting block 7 is fixedly connected with a movable frame 9, the inner cavity of the movable frame 9 is movably connected with a lower pressing block 10, the lower end of the lower pressing block 10 penetrates through the outer part of the movable frame 9, the first adjusting plate 3 and the second adjusting plate 4 can be fixed along the inner cavity of the movable groove 6, the second adjusting plate 4 and the third adjusting plate 5 are fixed along the inner cavity of the movable groove 6, a plurality of inserting blocks 7 are arranged in the inner cavities of a plurality of movable grooves 6 according to the number of detection positions, the movable frame 9 and the lower pressing block 10 are matched with the first adjusting plate 3 to perform synchronous repeated height adjustment, so that a plurality of thin film switches or a plurality of keys on the thin film switches on the top of the bottom plate 1 are subjected to synchronous pressing test, the service life of the membrane switch is detected.
As an implementation mode of the utility model, the periphery of the top of the bottom plate 1 is movably connected with the fixing plate 11, both sides of the top of the fixing plate 11 are connected with the bottom plate 1 through bolts in a threaded manner, the fixing plate 11 has the function of fixing and limiting a membrane switch to be detected for the bottom plate 1, the fixing plate 11 is connected with the adjusting groove 12 through bolts in a threaded manner, and the corners of the membrane switch are pressed down and fixed.
As one implementation mode of the utility model, the periphery of the top of the bottom plate 1 is provided with the adjusting groove 12, the bolt at the top of the fixed plate 11 penetrates through the fixed plate 11, the inner cavity extending to the adjusting groove 12 is in threaded connection with the inner cavity of the adjusting groove 12, and the adjusting groove 12 provides an adjusting function for the installation position of the fixed plate 11 so as to adapt to membrane switches with different sizes.
As an implementation mode of the utility model, the top of the lower pressing block 10 is fixedly connected with the sleeve 13, the inner cavity of the sleeve 13 is movably connected with the extension rod, the upper end of the extension rod penetrates through the sleeve 13 and is fixedly connected with the top of the inner cavity of the movable frame 9, the sleeve 13 limits the extension and displacement of the lower pressing block 10 in the inner cavity of the movable frame 9, the lower pressing block 10 can displace towards the inner cavity of the movable frame 9 after contacting with the outside, and excessive pressing of the detected membrane switch caused by excessive displacement of the first regulating plate 3 is prevented.
As one implementation mode of the utility model, the surface of the sleeve 13 is sleeved with the spring 14, two ends of the spring 14 are fixedly connected with the top of the lower pressing block 10 and the inner wall of the movable frame 9 respectively, the spring 14 provides a reset function for the lower pressing block 10, the lower pressing block 10 extends to the inner cavity of the movable frame 9 to squeeze the spring 14, and the reset elastic force of the spring 14 can push the lower pressing block 10 to reset.
As an embodiment of the present utility model, the reciprocating mechanism 2 further includes a cam 203, the cam 203 is movably connected with the inner wall of the mounting frame 201 through a connecting rod and contacts with the bottom of the reciprocating plate 202, one side of the inner cavity of the mounting frame 201 is fixedly connected with a motor 204, an output shaft of the motor 204 is in transmission connection with the cam 203, the output shaft of the motor 204 drives the cam 203 to rotate, the cam 203 pushes the reciprocating plate 202 to displace, and after pushing, the connection with the reciprocating plate 202 is released, and the reciprocating plate 202 falls down under the dead weight to reset.
As an embodiment of the present utility model, a limiting rod 205 is fixedly connected to the top of the reciprocating plate 202, the upper end of the limiting rod 205 penetrates through the mounting frame 201, and a balancing weight 206 is fixedly connected to the limiting rod 205 and the balancing weight 206, so that the limiting rod 205 and the balancing weight 206 provide a reset weight for the reciprocating plate 202 and limit the displacement of the reciprocating plate 202, the limiting rod 205 is pushed to displace along the inner cavity of the mounting frame 201 when the reciprocating plate 202 is pushed by the cam 203, the balancing weight 206 is pushed, and the gravity of the balancing weight 206 and the limiting rod 205 can push down the reciprocating plate 202.
The specific working principle is as follows:
Firstly, a thin film switch to be detected is placed on the top of a bottom plate 1, the thin film switch is fixed by a fixing plate 11 through bolts and an adjusting groove 12 according to the size of the thin film switch, then the position of a second adjusting plate 4 on a first adjusting plate 3 is adjusted according to the position of a key to be detected, meanwhile, the position of a third adjusting plate 5 below the second adjusting plate 4 is adjusted, an inserting block 7 penetrates through a movable groove 6 to be matched with the rotation of a thread bush 8, the first adjusting plate 3 and the second adjusting plate 4 are respectively fixed with the second adjusting plate 4 and the third adjusting plate 5, meanwhile, inserting blocks 7 are continuously arranged in a plurality of movable grooves 6 according to the detection requirement, the thin film switch is fixed by matching with a thread bush 8, a movable frame 9 and a pressing block 10 at the bottom of the inserting blocks 7 are positioned right above a detection key, finally a motor 204 is started by an external controller, the output shaft of the motor 204 drives the cam 203 to rotate, the cam 203 drives the reciprocating plate 202, the limiting rod 205 and the balancing weight 206 to move upwards, the cam 203 releases the connection with the reciprocating plate 202, the cam 203 is matched with the limiting rod 205 and the balancing weight 206 to fall and reset, so that the reciprocating plate 202 repeatedly moves up and down, the first adjusting plate 3, the second adjusting plate 4, the third adjusting plate 5, the inserting block 7 and the movable frame 9 are driven to reciprocate, the lower pressing block 10 is driven to press the film keys, meanwhile, the lower pressing block 10 is driven to extend to the inner cavity of the movable frame 9 and squeeze the springs 14, and the springs 14 are forced to deform and then push the lower pressing block 10 to reset when moving upwards on the movable frame 9, so that synchronous pressing tests are carried out on a plurality of film switches at the top of the bottom plate 1 or a plurality of keys on the film switches, and the service life of the film switches is detected.
Claims (7)
1. Membrane switch life-span detection device, including bottom plate (1), its characterized in that: the back end fixedly connected with reciprocating mechanism (2) at bottom plate (1) top, reciprocating mechanism (2) are including installing frame (201), the inner chamber swing joint of installing frame (201) has reciprocating plate (202), the one end of reciprocating plate (202) runs through installing frame (201), and fixedly connected with first regulating plate (3), the top of first regulating plate (3) is provided with second regulating plate (4), the both sides of second regulating plate (4) all are provided with third regulating plate (5), movable groove (6) have all been seted up at the both sides on first regulating plate (3) and third regulating plate (5) surface and the top of second regulating plate (4), the bottom swing joint of movable groove (6) has inserted block (7), and the middle part one end of inserted block (7) runs through movable groove (6) and extends to the top of first regulating plate (3) and second regulating plate (4), and the one end of inserted block (7) runs through movable groove (6) and extends to the top of third regulating plate (5) and the top of second regulating plate (4), threaded sleeve (8) on the side of threaded connection of inserted block (7) all around, the bottom fixedly connected with movable frame (9) of inserted block (7), the inner chamber swing joint of movable frame (9) has lower briquetting (10), the lower extreme of lower briquetting (10) runs through to the outside of movable frame (9).
2. The membrane switch life detection device of claim 1, wherein: the fixing plate (11) is movably connected to the periphery of the top of the bottom plate (1), and two sides of the top of the fixing plate (11) are in threaded connection with the bottom plate (1) through bolts.
3. The membrane switch life detection device of claim 2, wherein: the adjusting grooves (12) are formed in the periphery of the top of the bottom plate (1), bolts at the top of the fixing plate (11) penetrate through the fixing plate (11), and the inner cavities extending to the adjusting grooves (12) are connected with the inner cavities of the adjusting grooves (12) through threads.
4. The membrane switch life detection device of claim 1, wherein: the top of briquetting down (10) fixedly connected with sleeve (13), the inner chamber swing joint of sleeve (13) has the extension rod, and the upper end of extension rod runs through sleeve (13), with the top fixed connection of movable frame (9) inner chamber.
5. The membrane switch life detection device of claim 4, wherein: the surface of the sleeve (13) is sleeved with a spring (14), and two ends of the spring (14) are fixedly connected with the top of the lower pressing block (10) and the inner wall of the movable frame (9) respectively.
6. The membrane switch life detection device of claim 1, wherein: the reciprocating mechanism (2) further comprises a cam (203), the cam (203) is movably connected with the inner wall of the mounting frame (201) through a connecting rod and is in contact with the bottom of the reciprocating plate (202), one side of the inner cavity of the mounting frame (201) is fixedly connected with a motor (204), and an output shaft of the motor (204) is in transmission connection with the cam (203).
7. The membrane switch life detection device of claim 6, wherein: the top of reciprocating plate (202) fixedly connected with gag lever post (205), gag lever post (205) upper end runs through installing frame (201), and fixedly connected with balancing weight (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769624.0U CN220819393U (en) | 2023-07-06 | 2023-07-06 | Membrane switch life-span detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769624.0U CN220819393U (en) | 2023-07-06 | 2023-07-06 | Membrane switch life-span detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220819393U true CN220819393U (en) | 2024-04-19 |
Family
ID=90676664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321769624.0U Active CN220819393U (en) | 2023-07-06 | 2023-07-06 | Membrane switch life-span detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220819393U (en) |
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2023
- 2023-07-06 CN CN202321769624.0U patent/CN220819393U/en active Active
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