Quick-dismantling waterproof film switch
Technical Field
The utility model relates to the technical field of membrane switches, in particular to a quick-dismantling waterproof membrane switch.
Background
The thin film switch is also called as a touch keyboard, adopts an integral sealing structure formed by combining plane layers, is a novel electronic component integrating light collection, mechanical and electrical integration and sealing a key switch, a panel, a mark, a symbol display and a lining plate together, is a basic change of the appearance structure of an electronic product, can replace keys of conventional discrete components, can more reliably execute tasks of an operating system, and has the advantages of good water resistance, dust resistance and the like.
For example, china patent (bulletin number: CN 218918700U) discloses a waterproof membrane switch, which comprises a box body, a cover plate, a control key, a connecting block, a storage box, a clamping structure, an electronic board and a socket, wherein the top end of the box body is provided with a groove, the cover plate is positioned in the groove, the control plate is positioned at the top end of the cover plate, the control key is positioned at the bottom end of the control plate, the connecting block is positioned at the inner end of the box body, the connecting block is fixedly connected with the inner wall of the box body, the end of the connecting block is fixedly connected with the storage box, the two ends of the inner part of the storage box are connected with the clamping structure, the clamping structure is clamped with the electronic board, the socket is positioned at the top end of the electronic board, and the rear end of the control plate and the control key are provided with leads, so that moisture can be removed and the waterproof membrane switch can be conveniently detached and installed.
However, the above-mentioned search patent still has a little deficiency, it disposes the removable filter screen corresponding with the louvre in the switch box body, and a large amount of dust is adhered to easily on the filter screen surface after long-term use, and the manual work often need dismantle the switch box body in advance, then just can follow the inside dismantlement of filter screen of box body and trade, and the marginal operation is wasted time and energy and comparatively inconvenient, seriously influences work efficiency, so proposes a quick detach formula waterproof membrane switch in order to solve above-mentioned problem.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a quick-dismantling waterproof membrane switch which has the advantages of convenient disassembly, convenient replacement of a filter screen and the like, and solves the problem that the device disclosed by the search patent is inconvenient to clean the filter screen when in use.
In order to achieve the aim, the quick-dismantling waterproof membrane switch comprises a mounting plate, wherein two mounting blocks are fixed on the front surface of the mounting plate, a backboard is connected between the two mounting blocks in a sliding manner, a waterproof membrane switch shell is mounted on the front surface of the backboard, a mounting groove is formed in the back surface of the backboard, a screen plate is mounted in the mounting groove, a mounting mechanism for mounting and dismounting the screen plate is arranged on the mounting plate, and a fixing mechanism for fixing the waterproof membrane switch shell is arranged on the backboard;
The installation mechanism comprises guide blocks fixed on the left side and the right side of the back plate, guide grooves are formed in the opposite sides of the installation blocks, guide rods which vertically penetrate through the guide blocks and are in sliding connection with the guide blocks are fixed between the upper inner wall and the lower inner wall of the guide grooves, springs are sleeved on the peripheral walls of the guide rods, two ejecting grooves are formed in the back plate, elastic pieces are fixed on the inner walls of the front sides of the ejecting grooves, and a plurality of balls are rotationally connected to the front side of the installation plate.
Further, fixed establishment is including fixing the positive annular plate of backplate, the equal sliding connection in top surface and the bottom surface of waterproof membrane switch shell has the dismantlement pole, two the opposite end of dismantlement pole all is fixed with the connecting plate, two the opposite side of connecting plate all is fixed with the extension spring that one end and waterproof membrane switch shell inner wall are fixed, two the opposite side of connecting plate all is fixed with the stopper, spacing hole has all been seted up to the top surface and the bottom surface of annular plate.
Further, L-shaped mounting lug plates are fixed on the left side and the right side of the mounting plate, the waterproof membrane switch shell is a rectangular shell with a hollow inside and an open back, and the screen plate is in clearance fit with the mounting groove.
Further, the front of mounting panel and backplate has all seted up the louvre, and two the louvre is the front and back is relative, on the backplate the louvre is located the mounting groove front side and the two is T shape structure and is linked together.
Further, the guide slot is used for allowing the guide block to slide up and down in the guide block, the spring is arranged below the guide block, the ejecting slot is located at the front side of the mounting slot and is communicated with the mounting slot, the balls are uniformly divided into a left group and a right group, and the balls in each group are distributed up and down.
Further, the outer peripheral wall of annular plate and the inner peripheral wall butt of waterproof membrane switch shell, the guide hole that supplies dismantling the pole to run through perpendicularly and rather than clearance fit is all offered to the top surface and the bottom surface of waterproof membrane switch shell, two dismantle the pole the opposite ends all are fixed with circular pressing plate.
Further, the extension spring is sleeved on the peripheral wall of the disassembly rod, and the limiting block and the limiting hole are vertically opposite and are in clearance fit.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. This quick detach formula waterproof membrane switch, when using, fix the device on the wall body through the mounting panel, install the otter board through mounting mechanism on the backplate and be used for the heat dissipation dustproof, when attached with more dust on the otter board when needing the clearance, can slide waterproof membrane switch shell downwards, and then make mounting mechanism pop out the otter board backward, loading and unloading are efficient, very big convenience the dismantlement clearance work of otter board, it is more convenient to use, the practicality is better, more convenient to popularize and use.
2. This quick detach formula waterproof membrane switch, waterproof membrane switch shell installs the front at the backplate through the fixed establishment who sets up, when some electronic components of waterproof membrane switch shell inside break down, conveniently dismantle waterproof membrane switch shell through fixed establishment, and then for the maintenance of device overhauls and provides convenience, further hoisting device's practicality.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic front view of a back plate of the present utility model;
FIG. 3 is a schematic front view of a portion of the construction of the mounting mechanism of the present utility model;
fig. 4 is a schematic side view of the securing mechanism of the present utility model.
In the figure, a mounting plate 1, a mounting block 2, a back plate 3, a waterproof membrane switch shell 4, a mounting groove 5, a screen plate 6, a guide block 701, a guide groove 702, a guide rod 703, a spring 704, a spring 705, an elastic sheet 706, a ball 707, an annular plate 801, a dismounting rod 802, a connecting plate 803, a tension spring 804, a limit block 805, a limit hole 806 and a heat dissipation hole 9 are arranged.
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.
Referring to fig. 1-3, a quick-release waterproof membrane switch in this embodiment includes a mounting plate 1, L-shaped mounting lugs are fixed on both sides of the mounting plate 1, two mounting blocks 2 are fixed on the front surface of the mounting plate 1, a back plate 3 is slidably connected between the two mounting blocks 2, a waterproof membrane switch housing 4 is mounted on the front surface of the back plate 3, the waterproof membrane switch housing 4 is a rectangular housing with a hollow interior and an open back, a mounting groove 5 is formed on the back surface of the back plate 3, heat dissipation holes 9 are formed on the front surfaces of the mounting plate 1 and the back plate 3, the two heat dissipation holes 9 are opposite in front and back directions, the heat dissipation holes 9 on the back plate 3 are located on the front side of the mounting groove 5 and are communicated in a T-shaped structure, a mesh plate 6 is mounted in the mounting groove 5, the mesh plate 6 is in clearance fit with the mounting groove 5, a mounting mechanism for mounting the mesh plate 6 is mounted on the mounting plate 1, and when in use, the device is fixed on a wall through the mounting plate 1, the heat generated in the waterproof membrane switch shell 4 is discharged to the rear side through the heat dissipation holes 9, and the dustproof effect is started through the screen plate 6 installed in the installation groove 5, when more dust is attached to the screen plate 6 and needs to be cleaned, the waterproof membrane switch shell 4 can slide downwards, and further the installation mechanism pops the screen plate 6 backwards, the assembly and disassembly efficiency is high, the disassembly and cleaning work of the screen plate 6 is greatly facilitated, the waterproof membrane switch shell 4 is more convenient to use, the practicability is better, the popularization and the use are more convenient, the fixing mechanism for fixing the waterproof membrane switch shell 4 is arranged on the backboard 3, the waterproof membrane switch shell 4 is installed on the front surface of the backboard 3 through the fixing mechanism, when some electronic components in the waterproof membrane switch shell 4 break down, the waterproof membrane switch shell 4 is conveniently disassembled through the fixing mechanism, and then provide convenience for the maintenance of device, further promote the practicality of device.
It should be noted that, the waterproof membrane switch structure inside the waterproof membrane switch housing 4 belongs to a mature and disclosed technology in the prior art, so the specific structure and working principle thereof will not be described in detail.
Referring to fig. 1-3, the installation mechanism comprises guide blocks 701 fixed on the left and right sides of a back plate 3, guide grooves 702 are formed on opposite sides of the two installation blocks 2, guide rods 703 vertically penetrating the guide blocks 701 and slidingly connected with the guide blocks are fixed between the upper and lower inner walls of the guide grooves 702, springs 704 are sleeved on the peripheral walls of the guide rods 703, the guide grooves 702 are used for allowing the guide blocks 701 to slide up and down in the guide rods, the springs 704 are arranged below the guide blocks 701, when the screen plate 6 needs to be cleaned, the waterproof membrane switch shell 4 slides downwards, the waterproof membrane switch shell 4 drives the back plate 3 to move downwards, the back plate 3 drives the two guide blocks 701 to slide downwards along the guide rods 703 and compress the springs 704 in the guide grooves 702, two ejecting grooves 705 are formed in the back plate 3, the ejecting grooves 705 are positioned on the front side of the installation grooves 5 and are communicated with the installation grooves 5, the inner wall of the front side of the ejection slot 705 is fixed with an elastic sheet 706, when the screen 6 on the backboard 3 moves downwards to be opposite to the mounting plate 1 forwards and backwards, the screen 6 loses the contact of the mounting plate 1, the elastic sheet 706 can push the screen 6 backwards to eject the mounting slot 5 backwards to complete the disassembly, the front surface of the mounting plate 1 is rotationally connected with a plurality of balls 707, the plurality of balls 707 are divided into left and right groups, the plurality of balls 707 in each group are vertically arranged, after the screen 6 is cleaned, the screen 6 is installed back into the mounting slot 5 and is enabled to be forwards extruded to the elastic sheet 706, then the spring 704 is matched to enable the waterproof membrane switch shell 4 to slowly move upwards, and when the back surface of the screen 6 contacts the balls 707, the screen 6 is abutted in the mounting slot 5 through the balls 707, and the waterproof membrane switch shell 4 can be completely loosened to enable the installation of the complete screen 6 to be reset automatically.
Referring to fig. 4, in this embodiment, the fixing mechanism includes an annular plate 801 fixed on the front surface of the back plate 3, a disassembly rod 802 is slidably connected to the top surface and the bottom surface of the waterproof membrane switch housing 4, the outer peripheral wall of the annular plate 801 is abutted to the inner peripheral wall of the waterproof membrane switch housing 4, guide holes for the disassembly rod 802 to vertically penetrate through and be in clearance fit with are formed in the top surface and the bottom surface of the waterproof membrane switch housing 4, circular pressing plates are fixed to opposite ends of the two disassembly rods 802, connecting plates 803 are fixed to opposite ends of the two disassembly rods 802, tension springs 804 with one ends fixed to the inner wall of the waterproof membrane switch housing 4 are fixed to opposite sides of the two connecting plates 803, the tension springs 804 are sleeved on the outer peripheral wall of the disassembly rod 802, and when the electronic components inside the waterproof membrane switch housing 4 need to be overhauled, the two dismounting rods 802 are pressed towards the inside of the waterproof membrane switch shell 4, so that the dismounting rods 802 drive the two connecting plates 803 to move relatively and stretch the tension springs 804, limiting blocks 805 are respectively fixed on opposite sides of the two connecting plates 803, limiting holes 806 are respectively formed in the top surface and the bottom surface of the annular plate 801, the limiting blocks 805 are in vertical opposite and clearance fit with the limiting holes 806, meanwhile, the connecting plates 803 drive the limiting blocks 805 to separate from the limiting holes 806 on the annular plate 801, the waterproof membrane switch shell 4 can be moved towards the front side to be dismounted, after maintenance is completed, the dismounting rods 802 are pressed, then the back surface of the waterproof membrane switch shell 4 is opposite to the annular plate 801, the annular plate 801 is inserted into the waterproof membrane switch shell 4, and the limiting blocks 805 are further driven to reset through the tension springs 804 to be inserted into the limiting holes 806 to be mounted in a limiting mode.
The working principle of the embodiment is as follows:
(1) When the waterproof membrane switch device is used, the device is fixed on a wall body through the mounting plate 1, heat generated in the waterproof membrane switch shell 4 is discharged to the rear side through the heat dissipation holes 9, the dustproof effect is started through the mesh plate 6 mounted in the mounting groove 5, when the mesh plate 6 needs to be cleaned, the waterproof membrane switch shell 4 is slid downwards, the waterproof membrane switch shell 4 drives the backboard 3 to move downwards, the backboard 3 drives the two guide blocks 701 to slide downwards along the guide rods 703 in the guide groove 702 and compress the springs 704, when the mesh plate 6 on the backboard 3 moves downwards to be opposite to the mounting plate 1 forwards and backwards, the mesh plate 6 loses the butt joint of the mounting plate 1 at the moment, the elastic piece 706 can push the mesh plate 6 backwards, so that the mounting groove 5 is ejected backwards, after the mesh plate 6 is cleaned, the mesh plate 6 is mounted back into the mounting groove 5 and the elastic piece 706 is extruded forwards, then the waterproof membrane switch shell 4 is slowly moved upwards by matching the springs 704, and when the back surface of the mesh plate 6 is contacted with the balls 707, the mesh plate 6 is abutted in the mounting groove 5, and the installation of the waterproof membrane switch shell 4 can be completely loosened, and reset;
(2) When the electronic component inside the waterproof membrane switch shell 4 needs to be overhauled, the two dismounting rods 802 are pressed towards the inside of the waterproof membrane switch shell 4, so that the two dismounting rods drive the two connecting plates 803 to move relatively and stretch the tension spring 804, meanwhile, the connecting plates 803 drive the limiting block 805 to separate from the limiting hole 806 on the annular plate 801, the waterproof membrane switch shell 4 can be moved to the front side for dismounting, after overhauling is completed, the dismounting rods 802 are pressed, then the back surface of the waterproof membrane switch shell 4 is opposite to the annular plate 801, the annular plate 801 is inserted into the waterproof membrane switch shell 4, and the limiting block 805 is driven to reset and be inserted into the limiting hole 806 through the tension spring 804 for limiting installation.
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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
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.