CN216719782U

CN216719782U - But quick replacement's button visor

Info

Publication number: CN216719782U
Application number: CN202220152013.0U
Authority: CN
Inventors: 蒋尊严
Original assignee: Annax Suzhou Rail Systems Co ltd
Current assignee: Annax Suzhou Rail Systems Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-10
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a quickly replaceable key protection cover which comprises an upper cover component and a base component, wherein the base component is fixedly connected to a corresponding key installation plate, the upper cover component is detachably clamped and matched with the base component, the upper cover component comprises a movable cover and a buckling plate, the movable cover has a twisting force through a torsion spring and a tightening screw and is rotationally connected to the buckling plate, the base component comprises a base and a lock catch, the lock catch has a pre-tightening force through a compression spring and is embedded into the base in a sliding mode, and the buckling plate is clamped and matched with the base and is locked or unlocked through the sliding position of the lock catch. The protective cover has the advantages of good visibility to the state of the key, higher strength, long service life, simple and convenient assembly, no deviation of the movable cover, simple and convenient disassembly operation, concise appearance, hidden disassembly salient points and safe structure.

Description

But quick replacement's button visor

Technical Field

The utility model relates to the technical field of key switches, in particular to a key protection cover capable of being quickly replaced.

Background

The front panel of the emergency function equipment (such as alarm, emergency intercom equipment, emergency stop control panel) in public place generally all has the button, as the button of specific function, need prevent unexpected touching, also need to guard against unexpected splash water, consequently, the apron of protection need be installed to the button, and the visor generally has two kinds of metal material apron and transparent plastic cover plate, like passenger emergency alarm visor and elevator emergency stop button visor on the railcar.

However, the metal cover plate is not good in visibility, and the state of the lamp on the key is difficult to distinguish through the small hole on the cover plate; the cover plate made of plastic is slightly low in strength, not scratch-resistant, easy to age and required to be maintained and replaced, the key cover plate is generally bound with the keys for installation, and if the key cover plate is accidentally damaged, the equipment needs to be detached and the interior of the equipment needs to be opened for replacement; the common protective cover plate has no function of automatically returning to the original position after being opened.

Aiming at the problems, the utility model provides a key protection cover capable of being quickly replaced, which solves the problems that the visibility is poor when a metal cover plate is used, the cover plate is difficult to replace and the cover plate cannot automatically return to the original position after being used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provide a key protection cover capable of being quickly replaced.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

the utility model provides a but quick replacement's button visor, includes upper cover subassembly and base subassembly, the base subassembly rigid coupling is on corresponding button mounting panel, upper cover subassembly and base subassembly detachably joint cooperation, the upper cover subassembly includes movable cover and buckle plate, the movable cover has the torsional force and connects on the buckle plate with rotating through torsional spring and stopper beating screw, the base subassembly includes base and hasp, the hasp has the pretightning force through compression spring and inlays to the base in with sliding, buckle plate and base joint cooperation to sliding position locking or unblock through the hasp.

Furthermore, the inside bellied fixed pothook that is equipped with of downside of buckle board, be equipped with the activity pothook that outstanding in the base on the hasp, be equipped with on the base and supply the activity pothook to stretch out and lateral shifting's groove of dodging, fixed pothook and activity pothook cooperation joint, and through the lateral shifting locking or the unblock of activity pothook for detachably is connected between buckle board and the base.

Furthermore, the upper side inner edge of buckle plate has two spacing bosss, is equipped with the guide way between two spacing bosss, the upside outer edge of base be equipped with respectively with the spacing boss of buckle plate and the gliding spacing recess of guide way cooperation and direction boss, be convenient for promote the joint.

Furthermore, the bottom of base is equipped with the groove that is used for inlaying compression spring, compression spring's one end butt to the inside wall of base on, the other end butt to hasp, be equipped with the guide slot of its moving direction of guide on the hasp, the bottom of base is equipped with the guide boss with guide slot sliding fit.

Further, the movable cover upper edge has two torsional spring mounting grooves, the torsional spring sets up in the torsional spring mounting groove for a tail end butt of torsional spring is on torsional spring mounting groove's inner wall, avoids the tail end salient in the structure surface, the downside both sides of buckle board are equipped with through stopper beat screw and movable cover normal running fit's screw hole, the torsional spring cup joints on stopper beat screw, be equipped with spacing hole on the end facade on the downside both sides of buckle board, another tail end of torsional spring stretches into and the butt is downthehole at spacing.

Furthermore, a step surface is arranged between the threaded holes on the two sides of the lower side of the clamping plate, and the fixed clamping hook is arranged on the vertical surface of the step surface.

Furthermore, the lower edge of the movable cover is provided with a cover plate bulge which is locally outward, so that fingers can conveniently stretch into the movable cover to be opened, and the upper edge of the movable cover is in a semi-cylinder shape and is prevented from interfering with the key mounting plate during rotation.

Furthermore, the movable cover is made of transparent materials, so that visibility of the key state is facilitated to be improved.

The utility model has the beneficial effects that:

the protective cover has good visibility to the state of the key, higher strength and long service life, does not need special tools during assembly, can automatically align, does not need to intentionally adjust the direction, can move the lock catch back to the stop position, is simple and convenient to assemble, is uniformly stressed when the torsional springs are arranged on the left side and the right side, does not generate deviation on the movable cover, can be disassembled by pulling the lock catch, is simple and convenient to operate, hides the mounting screws, has concise appearance, conceals the disassembling salient points and has safe structure.

Drawings

FIG. 1 is a schematic illustration of an explosive structure according to the present invention;

FIG. 2 is a schematic view of an assembly structure of the upper cover assembly according to the present invention;

FIG. 3 is a schematic view of the assembly of the cover assembly and the base assembly of the present invention.

The reference numbers in the figures illustrate: 1. the movable cover comprises a movable cover body 11, a torsion spring mounting groove 12, a cover plate protrusion 2, a torsion spring 3, a stop screw 4, a clamping plate 41, a fixed clamping hook 42, a limiting boss 43, a guide groove 44, a threaded hole 45, a limiting hole 5, a base 51, an avoiding groove 52, a limiting groove 53, a guide boss 54, a guide boss 6, a compression spring 7, a lock catch 71, a movable clamping hook 72, a guide groove 8, a key mounting plate 9, a protective cover fastener 10, an upper cover assembly 13 and a base assembly.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, a quick-replaceable key protection cover includes an upper cover assembly 10 and a base assembly 13, the base assembly 13 is fixed on a corresponding key mounting plate 8, in this embodiment, the base component 13 is fixed to the key mounting plate 8 by the protective cover fastening member 9, the protective cover fastening member 9 is a countersunk head screw, the upper cover assembly 10 is detachably clamped and matched with the base assembly 13, the upper cover assembly 10 comprises a movable cover 1 and a clamping plate 4, the movable cover 1 is provided with a twisting force and is rotationally connected to the buckle plate 4 through a torsion spring 2 and a tucking screw 3, the base component 13 comprises a base 5 and a lock catch 7, the lock catch 7 is embedded into the base 5 with pretightening force and in a sliding manner through a compression spring 6, the clamping plate 4 is matched with the base 5 in a clamping mode and locked or unlocked through the sliding position of the lock catch 7.

As shown in fig. 1 and 3, a raised fixed hook 41 is disposed inside the lower side of the buckling plate 4, a movable hook 71 protruding from the base 5 is disposed on the lock catch 7, an avoiding groove 51 for the movable hook 71 to extend and move transversely is disposed on the base 5, the fixed hook 41 is in fit and connection with the movable hook 71, and is locked or unlocked by the transverse movement of the movable hook 71, so that the buckling plate 4 is detachably connected with the base 5.

The upper side inner edge of buckle plate 4 has two spacing bosss 42, is equipped with guide way 43 between two spacing bosss 42, the upside outer fringe of base 5 is equipped with respectively with the spacing boss 42 of buckle plate and the gliding spacing recess 52 of guide way 43 cooperation and direction boss 53, is convenient for promote the joint.

The bottom of base 5 is equipped with the groove that is used for inlaying compression spring 6, on compression spring 6's one end butt to base 5's the inside wall, the other end butt connects to hasp 7, and compression spring 6 adopts stainless steel or spring steel material, and compressible distance is greater than the stroke of hasp 7, be equipped with the guide slot 72 of its moving direction of guide on the hasp 7, the bottom of base 5 is equipped with the guide boss 54 with guide slot 72 sliding fit, and in this embodiment, base 5 adopts aluminum alloy or zinc alloy material, and the die-casting is moulded.

The upper side edge of the movable cover 1 is provided with two torsional spring mounting grooves 11, the torsional spring 2 is arranged in the torsional spring mounting grooves 11, so that one tail end of the torsional spring 2 is abutted against the inner wall of the torsional spring mounting grooves 11, the tail end is prevented from protruding out of the structure surface to cause injury of personnel or other objects, two sides of the lower side of the buckling plate 4 are provided with threaded holes 44 which are matched with the movable cover 1 in a rotating mode through the plug-in screws 3, the torsional spring 2 is sleeved on the plug-in screws 3, the plug-in screws 3 adopt standard fasteners capable of being locked at fixed intervals, the tail part is provided with threads, the middle part has fixed length and diameter and has the function of a torsional spring rotating shaft, the head part is a cylindrical head, the end vertical surfaces of two sides of the lower side of the buckling plate 4 are provided with limit holes 45, the other tail end of the torsional spring 2 extends into and is abutted against the limit holes 45, in the embodiment, the torsional spring 2 is made of stainless steel or spring steel, the two tail ends form an included angle, and the included angle and the torsion correspondingly change during twisting.

A step surface is arranged between the threaded holes 44 on the two sides of the lower side of the buckling plate 4, and the fixing hook 41 is arranged on the vertical surface of the step surface.

The lower edge of the movable cover 1 is provided with a cover plate bulge 12 which is locally outward, so that fingers can conveniently stretch into the movable cover to be opened, and the upper edge of the movable cover 1 is in a semi-cylinder shape and is prevented from interfering with the key mounting plate 8 during rotation.

The movable cover 1 is made of transparent materials, polycarbonate PC or organic glass PMMA can be adopted, other transparent materials can be adopted, and the mold is machined and formed, so that the visibility of the key state is conveniently improved.

Principle of the utility model

When the key is specifically assembled and installed, firstly, the base component 13 is installed on the key installation plate 8 through the countersunk protective cover fastener 9; then, the buckling plate 4 of the upper cover assembly 10 is covered on the base 5, and then the upper cover assembly 10 is pushed downwards until the lock catch 7 is locked; when the upper cover assembly 10 needs to be detached, the movable cover 1 is lifted, and the tool is used for rightwards pulling the detaching convex point on the other side of the reserved lock catch 7 relative to the clamping hook 71, so that the upper cover assembly 10 can be pushed upwards to be detached.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-replaceable key protection cover comprises an upper cover component (10) and a base component (13), the base component (13) is fixedly connected on the corresponding key mounting plate (8), the upper cover component (10) is detachably clamped and matched with the base component (13), it is characterized in that the upper cover component (10) comprises a movable cover (1) and a buckle plate (4), the movable cover (1) is provided with a twisting force and is rotationally connected to the buckle plate (4) through a torsion spring (2) and a plugging screw (3), the base component (13) comprises a base (5) and a lock catch (7), the lock catch (7) is embedded into the base (5) in a sliding manner with pretightening force through a compression spring (6), the clamping plate (4) is in clamping fit with the base (5) and is locked or unlocked through the sliding position of the lock catch (7).

2. The protective cover for a quick replaceable key of claim 1, wherein a raised fixed hook (41) is provided inside the lower side of the snap-in plate (4), a movable hook (71) protruding out of the base (5) is provided on the lock catch (7), an avoiding groove (51) for the movable hook (71) to protrude and move transversely is provided on the base (5), the fixed hook (41) and the movable hook (71) are engaged with each other in a matching manner, and the movable hook (71) is moved transversely to lock or unlock the protective cover, so that the snap-in plate (4) and the base (5) are detachably connected.

3. The protective cover for the rapidly replaceable key of claim 2, wherein the snap-fit plate (4) has two limiting bosses (42) at the inner edge of the upper side thereof, a guide groove (43) is formed between the two limiting bosses (42), and the base (5) has a limiting groove (52) and a guide boss (53) at the outer edge of the upper side thereof for sliding in cooperation with the limiting bosses (42) and the guide groove (43) of the snap-fit plate, so as to facilitate pushing the snap-fit.

4. The protective cover for fast replaceable keys according to claim 3, wherein the bottom of the base (5) is provided with a groove for inserting the compression spring (6), one end of the compression spring (6) abuts against the inner side wall of the base (5), the other end of the compression spring abuts against the latch (7), the latch (7) is provided with a guide groove (72) for guiding the moving direction of the latch, and the bottom of the base (5) is provided with a guide boss (54) slidably engaged with the guide groove (72).

5. The protective cover for the rapidly replaceable keys as claimed in claim 3, wherein the upper side edge of the movable cover (1) is provided with two torsion spring mounting grooves (11), the torsion spring (2) is arranged in the torsion spring mounting grooves (11), so that one tail end of the torsion spring (2) abuts against the inner wall of the torsion spring mounting groove (11) to prevent the tail end from protruding out of the structure surface, threaded holes (44) which are matched with the movable cover (1) in a rotating manner through the knock-in screws (3) are arranged on two sides of the lower side of the snap-in plate (4), the torsion spring (2) is sleeved on the knock-in screws (3), the end elevations on two sides of the lower side of the snap-in plate (4) are provided with limiting holes (45), and the other tail end of the torsion spring (2) extends into and abuts against the limiting holes (45).

6. The protective cover according to claim 5, characterised in that a step surface is provided between the threaded holes (44) on both sides of the underside of the snap-in plate (4), the fixing hooks (41) being arranged on the vertical surface of the step surface.

7. The protective cover for keys, which can be replaced quickly as claimed in claim 5, is characterized in that the lower edge of the movable cover (1) is provided with a local outward cover projection (12) to facilitate finger insertion and opening, and the upper edge of the movable cover (1) is in the shape of a half cylinder to prevent interference with the key mounting plate (8) during rotation.

8. Protective cover for keys, which can be replaced quickly, according to claim 7, characterized in that the movable cover (1) is a transparent cover, which facilitates the visibility of the key status.