CN213812835U

CN213812835U - Device for detecting service life of membrane switch

Info

Publication number: CN213812835U
Application number: CN202022791511.3U
Authority: CN
Inventors: 吕芳芳
Original assignee: Jinan Chaoda Electronics Co ltd
Current assignee: Jinan Chaoda Electronics Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-27
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a membrane switch life-span detection device, including the bottom plate, the inner wall of bottom plate rotates and is connected with the carousel, the inner wall fixedly connected with double-end motor of carousel, and double-end motor's output is provided with first screw rod, and the surface threaded connection of first screw rod has first connecting piece. The utility model discloses when examining different membrane switch, personnel manually rotate the carousel and make the carousel rotate suitable angle, then control servo motor, make servo motor pass through first skewed tooth, second skewed tooth and transmission shaft make the second screw rod rotate, the second screw rod makes the second connecting piece remove through the screw thread that the surface set up, and drive the detector body through electric pole and remove, reach suitable position after, electric pole extends, make the detector body move down and detect, thereby reach and to carry out the regulation of multi-angle, thereby avoid examining time measuring to different membrane switch, the condition of detector body to inaccurate membrane switch appears.

Description

Device for detecting service life of membrane switch

Technical Field

The utility model relates to a life-span detects technical field, specifically is a membrane switch life-span detection device.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel. The circuit board consists of four parts, including a panel, an upper circuit, an isolating layer and a lower circuit. When the membrane switch is pressed down, the contact of the upper circuit deforms downwards to be in contact with the polar plate of the lower circuit for conduction, after the finger is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and the loop triggers a signal. The membrane switch has the advantages of rigorous structure, attractive appearance and good sealing property. Has the characteristics of moisture resistance, long service life and the like. The method is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.

When carrying out the life-span to membrane switch and examining, need a detection device, however current detection device is inconvenient to be adjusted membrane switch and detector, when examining the membrane switch of different models, appears the detector easily to the condition of inaccurate switch, reduces the usability of device, and simultaneously, current detection device is inconvenient to be fixed a position membrane switch, increases unnecessary troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane switch life-span detection device is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a membrane switch service life detection device comprises a base plate, wherein a rotary plate is rotatably connected to the inner wall of the base plate, a double-headed motor is fixedly connected to the inner wall of the rotary plate, a first screw rod is arranged at the output end of the double-headed motor, a first connecting piece is in threaded connection with the surface of the first screw rod, a movable plate is fixedly connected to the top end of the first connecting piece, a fixed frame is fixedly connected to the top end of the base plate, a servo motor is fixedly connected to the inner wall of the fixed frame, a first helical tooth is arranged at the output end of the servo motor, a second helical tooth is meshed with one side of the first helical tooth, a transmission shaft is fixedly connected to the inner wall of the second helical tooth, one end of the transmission shaft is rotatably connected with the inner wall of the fixed frame, a second screw rod is fixedly connected to the other end of the transmission shaft, the second screw, the bottom fixedly connected with electronic pole of second connecting piece, the bottom fixedly connected with detector body of electronic pole.

Preferably, the bottom end of the bottom plate is fixedly connected with supporting legs, and the bottom ends of the supporting legs are provided with anti-skidding lines.

Preferably, one side of the bottom plate is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a fixing screw, and the surface of the fixing screw is provided with anti-skidding lines.

Preferably, one side fixedly connected with protection pad of fly leaf, the material of protection pad is rubber, the surface of protection pad is provided with anti-skidding line.

Preferably, the bottom end of the servo motor is fixedly connected with a fixing block, and the servo motor is fixedly connected with the inner wall of the fixing frame through the fixing block.

Preferably, the top end of the rotary table and the lower surface of the fixing frame are both provided with sliding grooves, and the inner walls of the sliding grooves are movably connected with the first connecting piece and the second connecting piece respectively.

Preferably, the periphery of the turntable is fixedly connected with limiting blocks, and the turntable is rotatably connected with the bottom plate through the limiting blocks.

Preferably, the number of the first screws is two, and the threads on the surfaces of the two first screws are symmetrically arranged.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a carousel, servo motor, first skewed tooth, the second skewed tooth, the transmission shaft, the second screw rod, the setting of second connecting piece and electric pole, when examining different membrane switch, personnel manually rotate the carousel and make the carousel rotate suitable angle, then control servo motor, make servo motor pass through first skewed tooth, second skewed tooth and transmission shaft make the second screw rod rotate, the second screw rod makes the second connecting piece remove through the screw thread of surface setting, and drive the detector body through electric pole and remove, arrive suitable position after, electric pole extends, make the detector body move downwards and detect, thereby reach the regulation that can carry out the multi-angle, thereby avoid examining different membrane switch time measuring, the condition of detector body to inaccurate membrane switch appears, the usability of improving device.

2. The utility model discloses a setting of double-end motor, first screw rod, first connecting piece and fly leaf, personnel place membrane switch on the top of carousel, then start double-end motor, and double-end motor makes first screw rod rotate, and first screw rod makes first connecting piece remove through the screw thread that the surface set up to make two fly leaves be close to each other, thereby reach the purpose that carries out the centre gripping location to membrane switch, it is troublesome to reduce unnecessary.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic bottom perspective view of the fixing frame of the present invention;

FIG. 3 is a schematic cross-sectional view of the turntable of the present invention;

fig. 4 is a schematic side view of the fixing frame of the present invention.

In the figure: 1. a base plate; 2. a turntable; 3. a double-headed motor; 4. a first screw; 5. a first connecting member; 6. a movable plate; 7. a fixed mount; 8. a servo motor; 9. a first helical tooth; 10. a second helical tooth; 11. a drive shaft; 12. a second screw; 13. a second connecting member; 14. an electric rod; 15. a detector body; 16. supporting legs; 17. fixing screws; 18. a protective pad; 19. a fixed block; 20. a chute; 21. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a membrane switch service life detection device comprises a bottom plate 1, wherein the inner wall of the bottom plate 1 is rotatably connected with a rotary plate 2, the inner wall of the rotary plate 2 is fixedly connected with a double-headed motor 3, the output end of the double-headed motor 3 is provided with a first screw rod 4, the surface of the first screw rod 4 is in threaded connection with a first connecting piece 5, the top end of the first connecting piece 5 is fixedly connected with a movable plate 6, the top end of the bottom plate 1 is fixedly connected with a fixed frame 7, the inner wall of the fixed frame 7 is fixedly connected with a servo motor 8, the output end of the servo motor 8 is provided with a first helical tooth 9, one side of the first helical tooth 9 is meshed with a second helical tooth 10, the inner wall of the second helical tooth 10 is fixedly connected with a transmission shaft 11, one end of the transmission shaft 11 is rotatably connected with the inner wall of the fixed frame 7, the other end of the transmission shaft 11 is fixedly connected with a second screw rod 12, the second screw rod 12 is rotatably connected with the inner wall of the fixed frame 7, the surface of the second screw rod 12 is in threaded connection with a second connecting piece 13, an electric rod 14 is fixedly connected to the bottom end of the second connecting piece 13, a detector body 15 is fixedly connected to the bottom end of the electric rod 14, when different membrane switches are detected through the arrangement of the rotary disc 2, the servo motor 8, the first helical teeth 9, the second helical teeth 10, the transmission shaft 11, the second screw 12, the second connecting piece 13 and the electric rod 14, a person manually rotates the rotary disc 2 to enable the rotary disc 2 to rotate by a proper angle, then the servo motor 8 is controlled to enable the servo motor 8 to enable the second screw 12 to rotate through the first helical teeth 9, the second helical teeth 10 and the transmission shaft 11, the second screw 12 enables the second connecting piece 13 to move through threads arranged on the surface, the electric rod 14 drives the detector body 15 to move, after the electric rod 14 reaches a proper position, the electric rod 14 extends, the detector body 15 moves downwards to detect, and therefore multi-angle adjustment can be achieved, through the setting of double-end motor 3, first screw rod 4, first connecting piece 5 and fly leaf 6, the personnel place membrane switch on the top of carousel 2, then start double-end motor 3, and double-end motor 3 makes first screw rod 4 rotate, and first screw rod 4 makes first connecting piece 5 remove through the screw thread that the surface set up to make two fly leaves 6 be close to each other, thereby reach the purpose that carries out the centre gripping location to membrane switch.

Further, the bottom fixedly connected with supporting leg 16 of bottom plate 1, the bottom of supporting leg 16 is provided with anti-skidding line, through the setting of supporting leg 16, reaches the effect that makes bottom plate 1 increase and ground frictional force.

Furthermore, threaded holes are formed in one side of the bottom plate 1, fixing screws 17 are connected to the inner walls of the threaded holes in a threaded mode, anti-skidding threads are arranged on the surfaces of the fixing screws 17, and the purpose that after the rotating disc 2 is rotated by a person, the fixing screws 17 are screwed to fix the rotating disc is achieved.

Further, one side fixedly connected with of fly leaf 6 protects pad 18, and the material of protection pad 18 is rubber, and the surface of protection pad 18 is provided with anti-skidding line, through the setting of protection pad 18, when carrying out the centre gripping location to membrane switch, reaches the purpose of protecting the membrane switch.

Further, the bottom fixedly connected with fixed block 19 of servo motor 8, servo motor 8 passes through the inner wall fixed connection of fixed block 19 and mount 7, through the setting of fixed block 19, reaches the purpose of fixed servo motor 8 position.

Further, spout 20 has all been seted up to the top of carousel 2 and the lower surface of mount 7, and the inner wall of spout 20 respectively with first connecting piece 5 and second connecting piece 13 swing joint, through the setting of spout 20, when first connecting piece 5 and second connecting piece 13 remove, reach spacing purpose.

Further, equal fixedly connected with stopper 21 all around of carousel 2, carousel 2 rotates with bottom plate 1 through stopper 21 to be connected, through stopper 21's setting, reaches the purpose that makes carousel 2 rotate with bottom plate 1 and be connected.

Further, the number of the first screws 4 is two, the threads on the surfaces of the two first screws 4 are symmetrically arranged, and the two movable plates 6 are close to each other when the first screws 4 rotate through the arrangement of the first screws 4.

The working principle is as follows: a person places the membrane switch at the top end of the rotary table 2, then starts the double-head motor 3, the double-head motor 3 enables the first screw rod 4 to rotate, the first screw rod 4 enables the first connecting piece 5 to move through threads arranged on the surface, and the two movable plates 6 are enabled to be close to each other, so that the membrane switch is clamped and positioned, then the fixing screw 17 is unscrewed, and then the turntable 2 is manually rotated to rotate the turntable 2 by a proper angle, then the fixing screw 17 is screwed to position the turntable 2, then the servo motor 8 is controlled to make the servo motor 8 rotate the second screw 12 through the first helical teeth 9, the second helical teeth 10 and the transmission shaft 11, the second screw 12 makes the second connecting piece 13 move through the thread arranged on the surface, and drive detector body 15 through electric pole 14 and remove, reach suitable position after, electric pole 14 extends, makes detector body 15 move down and detects.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A membrane switch life detection device, includes bottom plate (1), its characterized in that: the inner wall of the bottom plate (1) is rotatably connected with a rotary plate (2), the inner wall of the rotary plate (2) is fixedly connected with a double-end motor (3), the output end of the double-end motor (3) is provided with a first screw rod (4), the surface of the first screw rod (4) is in threaded connection with a first connecting piece (5), the top end of the first connecting piece (5) is fixedly connected with a movable plate (6), the top end of the bottom plate (1) is fixedly connected with a fixed frame (7), the inner wall of the fixed frame (7) is fixedly connected with a servo motor (8), the output end of the servo motor (8) is provided with a first helical tooth (9), one side of the first helical tooth (9) is meshed with a second helical tooth (10), the inner wall of the second helical tooth (10) is fixedly connected with a transmission shaft (11), one end of the transmission shaft (11) is rotatably connected with the inner wall of the fixed frame (7), the other end fixedly connected with second screw rod (12) of transmission shaft (11), second screw rod (12) are rotated with the inner wall of mount (7) and are connected, the surperficial threaded connection of second screw rod (12) has second connecting piece (13), the bottom fixedly connected with of second connecting piece (13) is electronic pole (14), the bottom fixedly connected with detector body (15) of electronic pole (14).

2. The membrane switch life detection device according to claim 1, wherein: the bottom end of the bottom plate (1) is fixedly connected with supporting legs (16), and anti-skidding lines are arranged at the bottom ends of the supporting legs (16).

3. The membrane switch life detection device according to claim 1, wherein: threaded holes are formed in one side of the bottom plate (1), fixing screws (17) are connected to the inner walls of the threaded holes in a threaded mode, and anti-skidding threads are arranged on the surfaces of the fixing screws (17).

4. The membrane switch life detection device according to claim 1, wherein: one side fixedly connected with protection pad (18) of fly leaf (6), the material of protection pad (18) is rubber, the surface of protection pad (18) is provided with anti-skidding line.

5. The membrane switch life detection device according to claim 1, wherein: the bottom fixedly connected with fixed block (19) of servo motor (8), servo motor (8) pass through the inner wall fixed connection of fixed block (19) and mount (7).

6. The membrane switch life detection device according to claim 1, wherein: the top of carousel (2) and the lower surface of mount (7) have all seted up spout (20), the inner wall of spout (20) respectively with first connecting piece (5) and second connecting piece (13) swing joint.

7. The membrane switch life detection device according to claim 1, wherein: the rotary table is characterized in that the periphery of the rotary table (2) is fixedly connected with a limiting block (21), and the rotary table (2) is rotatably connected with the bottom plate (1) through the limiting block (21).

8. The membrane switch life detection device according to claim 1, wherein: the number of the first screw rods (4) is two, and the threads on the surfaces of the two first screw rods (4) are symmetrically arranged.