CN210295920U

CN210295920U - Safety protection device of digital display instrument

Info

Publication number: CN210295920U
Application number: CN201921232565.7U
Authority: CN
Inventors: 韩军
Original assignee: Hunan Dongrun Automation Technology Co ltd
Current assignee: Hunan Dongrun Automation Technology Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-04-10
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a safety device of digital display instrument, including casing, first supporting part and second supporting part, be equipped with the digital display instrument in the casing, first supporting part is located the top of second supporting part, its characterized in that: be equipped with slide and spout in the casing, the spout is located the inner wall of casing, slide and spout swing joint are used for fixed digital display instrument, the lower extreme of casing is equipped with outside protrusion and forms extrados, the upper end of second supporting part is equipped with inside sunken intrados, be equipped with the ball that a plurality of arrays were arranged between intrados and the extrados, the both sides of second supporting part upwards extend there is the stopper, be equipped with horizontal buffer block between stopper and the casing, the utility model discloses be convenient for display instrument's installation is fixed to reducible display instrument is transporting the vibrations of in-process.

Description

Safety protection device of digital display instrument

Technical Field

The utility model relates to a digital display instrument technical field especially relates to a safety device of digital display instrument.

Background

The digital display instrument has the characteristics of high precision, good stability, reliable quality, small volume, convenient installation and use, low price and the like, is suitable for scientific research, precise measurement and new product development, can be widely used as display components of various instruments and meters, automatic control equipment, power electronics, medical instruments, digital backup, alternating current (direct current) voltage-stabilized power supplies and the like, improves the quality as the data, and is a first-choice updating substitute for various pointer type panel meters. The digital display instrument has the characteristics of high precision, good stability, reliable quality, small volume, convenient installation and use, low price and the like, is suitable for scientific research, precise measurement and new product development, can be widely applied to various instruments and meters, automatic control equipment, power electronics, medical equipment, teaching equipment, alternating current (direct current) stabilized voltage power supply and the like as display components, improves the product grade, and is a first-choice update product of various pointer type panel watches. The household digital display meter mainly comprises a watch and a clock. The digital display meter is most used or applied in the industry, for example, the current digital display meter, the voltage digital display meter, the raster digital display meter, the pressure digital display meter, the frequency converter rotating speed digital display meter, the sensor digital display meter, the frequency digital display meter and the like are many, and the digital display meter mainly plays a role in monitoring and informing.

The prior digital display instrument protection device has the following problems: when the existing digital display instrument protection device is used in the industrial aspect, the digital display instrument is easy to damage and poor in anti-vibration capability due to the severe industrial environment, and the service life of the digital display instrument is very easy to shorten.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to current phenomenon exist, the utility model is to provide a safety device of digital display instrument that design is simple, reasonable to propose current digital display instrument protection device in solving above-mentioned background art, when using in the aspect of the industry, because industrial environment is abominable, the digital display instrument damages easily, the relatively poor problem of anti-seismic capacity.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a safety device of digital display instrument, includes casing, first supporting part and second supporting part, the casing is located the upper end of first supporting part, be equipped with the digital display instrument in the casing, first supporting part is located the top of second supporting part, its characterized in that: be equipped with slide and spout in the casing, the spout is located the inner wall of casing, slide and spout swing joint are used for fixed digital display instrument, the lower extreme of first supporting part is equipped with outside protrusion and forms outer cambered surface, the upper end of second supporting part is equipped with inside sunken intrados, be equipped with the ball that a plurality of arrays were arranged between intrados and the outer cambered surface, the both sides of second supporting part upwards extend there is the stopper, be equipped with horizontal buffer block between stopper and the casing, horizontal buffer block includes joint portion and buffering portion, buffering portion has first surface and second surface, the second at buffering portion is fixed to joint portion on the surface, joint portion and second surface are used for forming interference fit so that horizontal buffer block fixes with first supporting part.

The utility model discloses further set up to: the lower extreme of second supporting part is equipped with the spliced pole, the lower extreme of spliced pole is connected with vertical buffer pole, the bottom fixedly connected with base of vertical buffer pole.

The utility model discloses further set up to: the lower extreme of spliced pole is equipped with the dashpot, the internal connection of dashpot has buffer spring, the upper end and the buffer spring of vertical buffer pole are connected, and the dashpot is worn out to the lower extreme of vertical buffer pole.

The utility model discloses further set up to: and a rubber cushion block is arranged at the contact position of the vertical buffer rod and the bottom of the buffer groove.

The utility model discloses further set up to: the inside ventiduct that is equipped with of casing, be equipped with the dust filtration cotton in the ventiduct, the top surface of casing is equipped with the air intake, the inside both sides wall of casing is equipped with the air outlet, the air inlet end and the air intake intercommunication of ventiduct, the air-out end and the air outlet intercommunication of ventiduct.

The utility model discloses further set up to: an observation window is arranged in the middle of the shell and is made of transparent toughened glass materials.

The utility model has the advantages that:

1. structural design is simple reasonable, produces relative displacement and absorbs the impact through the roll of ball between first supporting part and the second supporting part, through the ball roll connection of vertical parallel gap arrangement between two circular arc surfaces to this reduces frictional force.

2. The installation of the display instrument of being convenient for is fixed to reducible display instrument is transporting the vibrations of in-process, further reduces its damage, through set up the ventiduct at shells inner wall, the inside dust filtration cotton that is equipped with of ventiduct, this kind of design, in the cooling, avoids the dust to get into inside the casing, causes display instrument's impaired.

Drawings

FIG. 1 is a schematic structural view of a safety protection device of a digital display instrument according to the present invention;

FIG. 2 is a schematic view of a transverse buffer block of a safety protection device of a digital display instrument according to the present invention;

fig. 3 is a schematic view of a housing structure of the digital display instrument of the present invention.

Reference numerals: 1. a limiting block; 2. a first support section; 3. a ball bearing; 4. a transverse buffer block; 5. a second support portion; 6. connecting columns; 7. a buffer tank; 8. a rubber cushion block; 9. a base; 10. a buffer rod; 11. a buffer spring; 12. a first surface; 13. a second surface; 14. a clamping part; 15. an air inlet; 16. dust filtration cotton; 17. an air duct; 18. an air outlet; 19. a slide board.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 in specific cases by those skilled in the art

The utility model relates to a safety device of digital display instrument does further explanation with reference to fig. 1-3, including casing, first supporting part 2 and second supporting part 5, be equipped with the digital display instrument in the casing, first supporting part 2 is located the top of second supporting part 5, its characterized in that: a sliding plate 19 and a sliding groove are arranged in the shell, the sliding groove is positioned on the inner wall of the shell, the sliding plate 19 and the sliding groove are movably connected for fixing a digital display instrument, the lower end of the first supporting part 2 is provided with an outward convex forming an outer arc surface, the upper end of the second supporting part 5 is provided with an inward concave inner arc surface, a plurality of balls 3 arranged in an array are arranged between the inner cambered surface and the outer cambered surface, two sides of the second supporting part 5 extend upwards to form limiting blocks 1, a transverse buffer block 4 is arranged between the limiting block 1 and the shell, the transverse buffer block 4 comprises a clamping part 14 and a buffer part, the buffer part has a first surface 12 and a second surface 13, the clamping part 14 is fixed on the second surface 13 of the buffer part, the clamping portion 14 and the second surface 13 are used for forming an interference fit with the first supporting portion 2 so as to fix the transverse buffer block 4.

By adopting the technical scheme, when the digital display instrument is required to be installed, the digital display instrument is fixed on the sliding plate 19 and then is pushed into the shell through the sliding of the sliding groove, the installation is convenient, when the digital display instrument installed in the shell is impacted by the outside, the relative displacement is generated between the first supporting part 2 and the shell through the rolling of the ball 3 to absorb the impact, the two arc surfaces are in rolling connection through the ball 3 arranged in the longitudinal parallel gap, the impact force born by the first supporting part 2 can be better and uniformly transmitted by adopting the matched arc surfaces, the contact part of the first supporting part 2 and the second supporting part 5 is uniformly stressed, in addition, the two arc surfaces are in rolling connection through the ball 3 arranged in the longitudinal parallel gap, the displacement is acted on the ball 3 to mutually roll in the gap, and the absorption of most impact force is completed under the condition that the first supporting part 2 and the second supporting part 5 do not generate large relative displacement, surplus impact force carries out further absorption through vertical buffer beam 10, under the effect of gravity, original position can be got back to along the arcwall face to first supporting part 2, first supporting part 2 is when receiving the promotion of horizontal effort, first supporting part 2 makes horizontal buffer block 4 and stopper 1 contact on the first supporting part 2 along 3 lateral motion of ball, first surface 12 is used for taking place deformation with stopper 1 contact when bumping, be used for buffering the horizontal effort of acting on first supporting part 2, thereby reduce the effort of external to the digital display instrument, extension digital display instrument life.

The utility model discloses further set up to: the lower extreme of second supporting part 5 is equipped with spliced pole 6, the lower extreme of spliced pole 6 is connected with vertical buffer beam 10, the bottom fixedly connected with base 9 of vertical buffer beam 10, the lower extreme of spliced pole 6 is equipped with dashpot 7, the internal connection of dashpot 7 has buffer spring 11, the upper end and the buffer spring 11 of vertical buffer beam 10 are connected, and the lower extreme of vertical buffer beam 10 wears out dashpot 7.

Through adopting above-mentioned technical scheme, the upper end and the buffer spring 11 of vertical buffer pole 10 are connected, and when second supporting part 5 received decurrent pressure, buffer spring 11 can carry out further buffering to vertical pressure, and the shock attenuation effect is good.

The utility model discloses further set up to: and a rubber cushion block 8 is arranged at the contact position of the vertical buffer rod 10 and the bottom of the buffer groove 7.

Through adopting above-mentioned technical scheme, avoid the inner wall friction of vertical buffer pole 10 and buffer tank 7 for vertical buffer pole 10's surface wear is serious.

The utility model discloses further set up to: the inside ventiduct 17 that is equipped with of casing, the top surface of casing is equipped with air intake 15, the inside both sides wall of casing is equipped with air outlet 18, the air inlet end and the 15 intercommunication of air intake of ventiduct 17, the air-out end and the 18 intercommunication of air outlet of ventiduct 17.

Through adopting above-mentioned technical scheme, inhale air flue 17 through air intake 15 with the air, the inside dirt cotton 16 that strains of air flue 17 filters the air and gets rid of great granule dust, then reduces the temperature to display instrument from 18 discharges of air outlet to guarantee display instrument's life.

By adopting the technical scheme, the digital display on the digital display instrument can be observed through the observation window on the shell.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a safety device of digital display instrument, includes casing, first supporting part (2) and second supporting part (5), casing fixed connection is in the upper end of first supporting part (2), be equipped with the digital display instrument in the casing, first supporting part (2) are located the top of second supporting part (5), its characterized in that: be equipped with slide (19) and spout in the casing, the spout is located the inner wall of casing, slide (19) and spout swing joint are used for fixed digital display instrument, the lower extreme of first supporting part (2) is equipped with outside protrusion and forms outer cambered surface, the upper end of second supporting part (5) is equipped with inside sunken intrados, be equipped with ball (3) that a plurality of arrays were arranged between intrados and the outer cambered surface, the both sides of second supporting part (5) upwards extend stopper (1), be equipped with horizontal buffer block (4) between stopper (1) and the casing, horizontal buffer block (4) are including joint portion (14) and buffering portion, buffering portion has first surface (12) and second surface (13), joint portion (14) are fixed on second surface (13) of buffering portion, joint portion (14) and second surface (13) are used for forming interference fit with first supporting part (2) so that horizontal buffer block (4) And (6) fixing.

2. A digital instrument safety shield as recited in claim 1, wherein: the lower extreme of second supporting part (5) is equipped with spliced pole (6), the lower extreme of spliced pole (6) is connected with vertical buffer pole (10), the bottom fixedly connected with base (9) of vertical buffer pole (10).

3. A digital instrument safety shield according to claim 2, wherein: the lower extreme of spliced pole (6) is equipped with buffer slot (7), the internal connection of buffer slot (7) has buffer spring (11), the upper end and buffer spring (11) of vertical buffer pole (10) are connected, and buffer slot (7) are worn out to the lower extreme of vertical buffer pole (10).

4. A digital instrument safety shield as recited in claim 3, wherein: and a rubber cushion block (8) is arranged at the contact position of the vertical buffer rod (10) and the bottom of the buffer groove (7).

5. A digital instrument safety shield as recited in claim 1, wherein: the inside ventiduct (17) that is equipped with of casing, be equipped with in ventiduct (17) and strain dirt cotton (16), the top surface of casing is equipped with air intake (15), the inside both sides wall of casing is equipped with air outlet (18), the air inlet end and the air intake (15) intercommunication of ventiduct (17), the air-out end and the air outlet (18) intercommunication of ventiduct (17).

6. A digital instrument safety shield as recited in claim 1, wherein: an observation window is arranged in the middle of the shell and is made of transparent toughened glass materials.