CN210464653U

CN210464653U - Durability detection device of high stability electronic scale keyboard

Info

Publication number: CN210464653U
Application number: CN201920681079.7U
Authority: CN
Inventors: 荣金龙
Original assignee: SUZHOU SULING INSTRUMENT CO Ltd
Current assignee: SUZHOU SULING INSTRUMENT CO Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-05-05
Anticipated expiration: 2029-05-14

Abstract

The utility model provides a durability detection device of high stability electronic scale keyboard, belongs to high performance, intelligent instrument and meter technical field, presses the subassembly including test platform, linear module, support frame, first cylinder, crossbeam, a set of first subassembly, a set of second that compresses tightly, a set of button pressing assembly, and the piston rod of first cylinder stretches out the end and is equipped with the clamp plate, the clamp plate can press the subassembly with a set of button and compress tightly placing the cave in, the cross-section of placing cave and backup pad is the rectangle, first subassembly and the second that compresses tightly can compress tightly the keyboard on the inner wall of placing the cave. The utility model discloses a durability detection device of high stability electronic scale keyboard through the linear module that sets up, can drive a set of button and press the subassembly reciprocal be interrupted or continuously carry out the durability and detect between a set of keyboard to a set of button through setting up is pressed the subassembly and can be simulated the different condition of exerting pressure and is detected, and this detection device can be comprehensive carries out the endurance test, convenient to use.

Description

Durability detection device of high stability electronic scale keyboard

Technical Field

The utility model belongs to the technical field of high performance, intelligent instrument and meter, specifically, relate to a durability detection device of high stability electronic scale keyboard.

Background

Electronic scales are widely used in the food processing industry, but because the keys are frequently used, and the keyboard of the traditional electronic scale adopts mechanical keys, the keyboard is an element which is frequently pressed and touched at most in the long-term use process, and the keyboard of the electronic scale is an important quality index for representing the electronic scale.

In the prior art, the device for testing the durability of the keys can only perform press test on a single button, has single function, can only perform press test on the keys one by one when testing a switch panel with a plurality of keys with different functions, and has low flexibility and low test efficiency.

Therefore, how to provide a method and an apparatus for testing the endurance of a key with high flexibility is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a durability detection device of high stability electronic scale keyboard has solved the problem that the button of electronic scale keyboard carries out short-term test in batches.

The technical scheme is as follows: the utility model provides a durability detection device of a high-stability electronic scale keyboard, which comprises a test platform, a linear module, a support frame, a first cylinder, a beam, a group of first pressing components, a group of second pressing components and a group of key pressing components, wherein the middle position of the test platform is provided with a group of support plates, the support plates are provided with placing holes, the linear module is arranged on one side edge of the test platform, one end of the beam is connected with the linear module, the first cylinder is arranged on the beam, the support frame is arranged on the lower end surface of the beam, the group of key pressing components are arranged on the support frame, the group of key pressing components are arranged above the placing holes, the group of key pressing components are arranged under the first cylinder, the extending end of a piston rod of the first cylinder is provided with a pressing plate, the pressing plate can press the group of key pressing components in the placing holes, the cross-section of placing cave and backup pad is the rectangle to place the cave and be located a bight of backup pad, first compress tightly the subassembly and compress tightly the subassembly setting on test platform with the second, and first compress tightly the subassembly and compress tightly the subassembly with the second and be located two adjacent right angle edges of placing the cave, first compress tightly the subassembly with the second and compress tightly the keyboard and can compress tightly on the inner wall of placing the cave. The utility model discloses a durability detection device of high stability electronic scale keyboard through the linear module that sets up, can drive a set of button and press the subassembly reciprocal be interrupted or continuously carry out the durability and detect between a set of keyboard to a set of button through setting up is pressed the subassembly and can be simulated the different condition of exerting pressure and is detected, and this detection device can be comprehensive carries out the endurance test, convenient to use.

Furthermore, foretell high stability electronic scale keyboard's durability detection device, first pressure components and second pressure components include second cylinder, keysets, connecting plate, a set of double-screw bolt, pressure strip, a set of first spring and a set of bolt, the second cylinder is fixed to be set up on test platform, the keysets is connected with the piston rod of second cylinder, the terminal surface fixed connection of second cylinder is kept away from with the keysets to the connecting plate, a set of double-screw bolt sets up on the connecting plate to the both ends of a set of double-screw bolt are located the both sides of connecting plate, the tip that the second cylinder was kept away from to the double-screw bolt is equipped with the pressure strip, first spring housing is on the double-screw bolt, and first spring is located between pressure strip and the connecting plate, bolt and double-screw bolt threaded connection to bolt and first spring are located the both sides of connecting plate. The first subassembly and the second that compress tightly of setting compress tightly the subassembly cooperation, can compress tightly the keyboard on placing the cave inner wall to conveniently carry out the test of keyboard.

Furthermore, according to the durability detection device of the high-stability electronic scale keyboard, the connecting plate is provided with the first through hole, the stud is arranged in the first through hole, and two ends of the stud extend out of the first through hole.

Furthermore, foretell high stability electronic scale keyboard's durability detection device, the subassembly is pressed to the button includes fixed bolster, push rod, bracing piece, second spring and guide block, fixed bolster and support frame fixed connection, the push rod sets up in fixed bolster to the upper and lower tip of push rod all is located the fixed bolster outside, the bracing piece sets up in fixed bolster, the second spring housing is established in the outside of bracing piece, be equipped with the baffle on the outer wall of bracing piece, the second spring sets up between baffle and fixed bolster, the outer wall fixed connection of guide block and push rod, the up end of bracing piece and the lower terminal surface laminating of guide block, the clamp plate can bulldoze the up end of push rod, the length of a set of push rod on the support frame is all different. When the arranged key pressing assembly is pressed down by the pressing plate, the lower end part of the push rod can be in contact with the keyboard to apply pressure, after the test is finished, the second spring is restored firstly, the guide block is jacked upwards, and the guide block drives the push rod to return to the original position.

Furthermore, according to the durability detection device of the keyboard of the high-stability electronic scale, the fixed support base is provided with the second through hole and the third through hole, the push rod is arranged in the second through hole and can move in the second through hole, the two end portions of the push rod extend out of the second through hole, the support rod is arranged in the third through hole, the upper end portion of the support rod extends out of the third through hole, and the baffle is located at the upper end portion of the support rod. The second through hole and the third through hole are arranged for the push rod and the support rod to pass through and move in the through holes.

Further, in the durability detection device for the keyboard of the high-stability electronic scale, the upper end of the third through hole is provided with a spring placing groove, and the lower end of the second spring is arranged in the spring placing groove. The spring standing groove that sets up can be stable carry out spacing of spring.

Furthermore, according to the durability detection device of the high-stability electronic scale keyboard, the fixed support seat is provided with the guide post, the guide block is sleeved on the guide post, and the sliding sleeve is arranged between the guide block and the guide post. The lower end of the guide post is fixed on the fixed support base, so that the push rod can be kept to move up and down when the push rod is pushed by the pressing plate, and the position deviation is avoided.

Further, in the durability detection device for the keyboard of the high-stability electronic scale, a rubber sleeve is sleeved at the lower end of the push rod. Harder push rod is directly avoided with the keyboard contact by the rubber pad cover that sets up, causes the keyboard to damage to softer rubber pad structure accords with the sense of touch of staff more, improves the accuracy of test.

Furthermore, according to the durability detection device of the high-stability electronic scale keyboard, the lower end face of the pressing plate is provided with the rubber pad. The rubber pad that sets up can cushion the contact of clamp plate and push rod, avoids the damage that hard contact caused.

Furthermore, according to the durability detection device for the high-stability electronic scale keyboard, the test platform is provided with the guide rail, the guide rail and the linear module are symmetrically arranged, the guide rail is provided with the sliding block, and two ends of the cross beam are respectively erected on the linear module and the sliding block. The slide rail that sets up and the structure of slider can keep the crossbeam steady removal with linear module cooperation.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: durability detection device of high stability electronic scale keyboard, structural design is reasonable, convenient to use, at first this detection device can carry out the detection of electronic scale keyboard in batches to push rod through the difference of a set of length that sets up can exert different pressure on the different buttons of keyboard, thereby can simulate different personnel and press the button and exert the different condition of force, and the longest pole in the push rod can carry out the test of maximum pressure to the keyboard, has satisfied the needs that the electronic scale detected, has very high spreading value.

Drawings

FIG. 1 is a schematic structural diagram of a durability detection device of a keyboard of a high-stability electronic scale according to the present invention;

fig. 2 is a top view of the durability detection device of the keyboard of the high-stability electronic scale according to the present invention;

FIG. 3 is an enlarged view of a portion of the substrate of FIG. 2;

fig. 4 is a schematic structural view of the supporting plate and the key pressing assembly of the present invention;

fig. 5 is a schematic structural view of the key pressing assembly of the present invention;

fig. 6 is a cross-sectional view of the key pressing assembly of the present invention.

In the figure: the testing platform comprises a testing platform 1, a supporting plate 11, a placing hole 12, a guide rail 13, a sliding block 14, a linear module 2, a supporting frame 3, a first air cylinder 4, a pressing plate 41, a rubber pad 411, a cross beam 5, a first pressing component 6, a second air cylinder 61, an adapter plate 62, a connecting plate 63, a first through hole 631, a stud 64, a pressing plate 65, a first spring 66, a bolt 67, a second pressing component 7, a key pressing component 8, a fixed supporting seat 81, a second through hole 811, a third through hole 812, a spring placing groove 813, a push rod 82, a rubber sleeve 821, a supporting rod 83, a baffle 831, a second spring 84, a guide block 85, a guide column 86 and a sliding sleeve 87.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The durability detection device of the high-stability electronic balance keyboard shown in fig. 1, 2 and 4 comprises a testing platform 1, a linear module 2, a supporting frame 3, a first air cylinder 4, a beam 5, a group of first pressing components 6, a group of second pressing components 7 and a group of key pressing components 8, wherein a group of supporting plates 11 are arranged at the middle position of the testing platform 1, placing holes 12 are arranged on the supporting plates 11, the linear module 2 is arranged on one side edge of the testing platform 1, one end of the beam 5 is connected with the linear module 2, the first air cylinder 4 is arranged on the beam 5, the supporting frame 3 is arranged on the lower end surface of the beam 5, the group of key pressing components 8 is arranged on the supporting frame 3, the group of key pressing components 8 is arranged above the placing holes 12, the group of key pressing components 8 is arranged under the first air cylinder 4, a pressing plate 41 is arranged at the extending end of a piston rod of the first air cylinder 4, and the lower terminal surface of clamp plate 41 is equipped with rubber pad 411, clamp plate 41 can compress tightly a set of button pressing subassembly 8 in placing cave 12, place the cross-section of cave 12 and backup pad 11 and be the rectangle to place cave 12 and be located a bight of backup pad 11, first compress tightly subassembly 6 and second compress tightly subassembly 7 and set up on test platform 1, and first compress tightly subassembly 6 and second compress tightly subassembly 7 and be located and place two adjacent right angle edges of cave 12, first compress tightly subassembly 6 and second compress tightly subassembly 7 and can compress tightly the keyboard on the inner wall of placing cave 12. In addition, the test platform 1 is provided with a guide rail 13, the guide rail 13 is arranged symmetrically to the linear module 2, the guide rail 13 is provided with a slide block 14, and two ends of the cross beam 5 are respectively erected on the linear module 2 and the slide block 14. The cross beam 5 is erected through the guide rail 13 and the linear module 2, the linear module 2 drives the other end of the cross beam 5 to slide on the guide rail 13 through the sliding block 14, and therefore the group of key pressing assemblies 8 can move on the group of parallel keyboards and carry out durable detection.

The first pressing assembly 6 and the second pressing assembly 7 shown in fig. 3 include a second cylinder 61, an adapter plate 62, a connecting plate 63, a set of studs 64, a pressing plate 65, a set of first springs 66 and a set of bolts 67, the second cylinder 61 is fixedly arranged on the test platform 1, the adapter plate 62 is connected with a piston rod of the second cylinder 61, the connecting plate 63 is fixedly connected with the end surface of the adapter plate 62 far away from the second cylinder 61, the set of studs 64 is arranged on the connecting plate 63, and two ends of a set of studs 64 are positioned at two sides of the connecting plate 63, the end of the stud 64 far away from the second cylinder 61 is provided with a pressing plate 65, the first spring 66 is sleeved on the stud 64, and the first spring 66 is located between the pressing plate 65 and the connecting plate 63, the bolt 67 is screwed with the stud 64, and the bolt 67 and the first spring 66 are located on both sides of the connecting plate 63. The connecting plate 63 is provided with a first through hole 631, the stud 64 is disposed in the first through hole 631, and both ends of the stud 64 protrude from the first through hole 631. The second cylinder 61 extends to push the pressing plate 65 to move, so that the keyboard can be pressed on the inner wall of the placing hole 12.

As shown in fig. 5 and 6, the key pressing assembly 8 includes a fixing support 81, a push rod 82, a support rod 83, a second spring 84 and a guide block 85, the fixing support 81 is fixedly connected to the support frame 3, the push rod 82 is disposed in the fixing support 81, the upper and lower ends of the push rod 82 are disposed outside the fixing support 81, the support rod 83 is disposed in the fixing support 81, the second spring 84 is sleeved outside the support rod 83, a baffle 831 is disposed on the outer wall of the support rod 83, the second spring 84 is disposed between the baffle 831 and the fixing support 81, the guide block 85 is fixedly connected to the outer wall of the push rod 82, the upper end surface of the support rod 83 is attached to the lower end surface of the guide block 85, and the pressing plate 41 can push and press the upper end surface of the push rod 82. And the lengths of a group of push rods 82 on the support frame 3 are all different and the lower end parts of the push rods 82 are sleeved with rubber sleeves 821. The fixed support seat 81 is provided with a second through hole 811 and a third through hole 812, the push rod 82 is disposed in the second through hole 811, the push rod 82 can move in the second through hole 811, two end portions of the push rod 82 extend out of the second through hole 811, the support rod 83 is disposed in the third through hole 812, an upper end portion of the support rod 83 extends out of the third through hole 812, and the baffle 831 is located at the upper end portion of the support rod 83. Further, the upper end portion of the third through hole 812 is provided with a spring placement groove 813, and the lower end portion of the second spring 84 is disposed in the spring placement groove 813. In addition, a guide post 86 is arranged on the fixed supporting seat 81, the guide block 85 is sleeved on the guide post 86, and a sliding sleeve 87 is arranged between the guide block 85 and the guide post 86. The operating principle of the key pressing assembly 8 is as follows: the first air cylinder 4 extends out, the pushing pressing plate 41 extends out, the rubber pad 411 contacts with the upper end part of the push rod 82 and pushes the push rod 82 to move downwards, the push rod 82 drives the guide block 85 to move together, the guide block 85 presses the support rod 83 downwards until the push rod 82 contacts with the keyboard and applies certain pressure, and different pressures can be applied to the keys of the keyboard due to different lengths of a group of push rods 82, so that the influence of different pressing pressures of hands on the keys in the using process of the electronic scale is met; after the test is completed, the first cylinder 4 is retracted, the guide block 85 is returned to the original position by the restoring force of the second spring 84, and simultaneously the push rod 82 is moved upward to return to the original position, so that the next test can be performed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a durability detection device of high stability electronic scale keyboard which characterized in that: comprises a test platform (1), a linear module (2), a support frame (3), a first cylinder (4), a beam (5), a group of first pressing components (6), a group of second pressing components (7) and a group of key pressing components (8), wherein a group of support plates (11) are arranged at the middle position of the test platform (1), placing holes (12) are formed in the support plates (11), the linear module (2) is arranged on one side edge of the test platform (1), one end of the beam (5) is connected with the linear module (2), the first cylinder (4) is arranged on the beam (5), the support frame (3) is arranged on the lower end face of the beam (5), the group of key pressing components (8) is arranged on the support frame (3), the group of key pressing components (8) is positioned above the placing holes (12), and the group of key pressing components (8) is positioned under the first cylinder (4), the keyboard pressing device is characterized in that a pressing plate (41) is arranged at the extending end of a piston rod of the first air cylinder (4), a group of key pressing assemblies (8) can be pressed tightly in the placing hole (12) by the pressing plate (41), the cross sections of the placing hole (12) and the supporting plate (11) are rectangular, the placing hole (12) is located on one corner of the supporting plate (11), the first pressing assembly (6) and the second pressing assembly (7) are arranged on the testing platform (1), the first pressing assembly (6) and the second pressing assembly (7) are located on two adjacent right-angle edges of the placing hole (12), and the keyboard can be pressed tightly on the inner wall of the placing hole (12) by the first pressing assembly (6) and the second pressing assembly (7).

2. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 1, wherein: the first pressing assembly (6) and the second pressing assembly (7) comprise a second air cylinder (61), an adapter plate (62), a connecting plate (63), a group of studs (64), a pressing plate (65), a group of first springs (66) and a group of bolts (67), the second air cylinder (61) is fixedly arranged on the test platform (1), the adapter plate (62) is connected with a piston rod of the second air cylinder (61), the connecting plate (63) is fixedly connected with the end face, far away from the second air cylinder (61), of the adapter plate (62), the group of studs (64) is arranged on the connecting plate (63), two end portions of the group of studs (64) are located on two sides of the connecting plate (63), the pressing plate (65) is arranged at the end portion, far away from the second air cylinder (61), of the studs (64) is sleeved with the first springs (66), and the first springs (66) are located between the pressing plate (65) and the connecting plate (63), the bolt (67) is in threaded connection with the stud (64), and the bolt (67) and the first spring (66) are located on both sides of the connecting plate (63).

3. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 2, wherein: the connecting plate (63) is provided with a first through hole (631), the stud (64) is arranged in the first through hole (631), and two ends of the stud (64) extend out of the first through hole (631).

4. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 1, wherein: the key pressing component (8) comprises a fixed supporting seat (81), a push rod (82), a supporting rod (83), a second spring (84) and a guide block (85), the fixed supporting seat (81) is fixedly connected with the supporting frame (3), the push rod (82) is arranged in the fixed supporting seat (81), the upper end part and the lower end part of the push rod (82) are both positioned outside the fixed supporting seat (81), the supporting rod (83) is arranged in the fixed supporting seat (81), the second spring (84) is sleeved outside the supporting rod (83), a baffle (831) is arranged on the outer wall of the supporting rod (83), the second spring (84) is arranged between the baffle (831) and the fixed supporting seat (81), the guide block (85) is fixedly connected with the outer wall of the push rod (82), the upper end face of the supporting rod (83) is attached to the lower end face of the guide block (85), the pressing plate (41) can push and press the upper end surfaces of the push rods (82), and the lengths of a group of push rods (82) on the supporting frame (3) are different.

5. The durability detecting apparatus of the keyboard of the high-stability electronic balance according to claim 4, wherein: be equipped with second through-hole (811) and third through-hole (812) on fixed bolster (81), push rod (82) set up in second through-hole (811) to push rod (82) can move in second through-hole (811), the both ends of push rod (82) are stretched out in second through-hole (811), bracing piece (83) set up in third through-hole (812) to the upper end of bracing piece (83) stretches out in third through-hole (812), baffle (831) are located the upper end of bracing piece (83).

6. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 5, wherein: the upper end of the third through hole (812) is provided with a spring placing groove (813), and the lower end of the second spring (84) is arranged in the spring placing groove (813).

7. The durability detecting apparatus of the keyboard of the high-stability electronic balance according to claim 4, wherein: be equipped with guide post (86) on fixed bolster (81), guide block (85) cover is established on guide post (86), be equipped with sliding sleeve (87) between guide block (85) and guide post (86).

8. The durability detecting apparatus of the keyboard of the high-stability electronic balance according to claim 4, wherein: the lower end part of the push rod (82) is sleeved with a rubber sleeve (821).

9. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 1, wherein: the lower end face of the pressing plate (41) is provided with a rubber pad (411).

10. The durability detecting apparatus of a keyboard of a high stability electronic balance according to claim 1, wherein: be equipped with guide rail (13) on test platform (1), guide rail (13) and linear module (2) symmetry set up, be equipped with slider (14) on guide rail (13), the both ends of crossbeam (5) are erect respectively on linear module (2) and slider (14).