JPH074518Y2 - Electronic scales - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to an electronic scale for transmitting weight data to, for example, a cash register.

(Prior Art) In this type of electronic scale, there is one equipped with a display device for displaying the weight, and a display unit for displaying the weight is housed inside a window hole provided on the outer side of the electronic scale main body. A panel that allows the display unit to be seen through is fitted and attached to the window hole.

By the way, in this electronic scale, zero point adjustment, span adjustment, etc. when displaying on the display unit are performed.

Therefore, adjusting means for performing the zero point adjustment, the span adjustment, etc. are installed next to the display unit so as to face the inside of the window hole, and the panel fitted in the window hole is adjusted when the adjustment is performed. By removing it, the adjusting means can be operated through the window hole to perform the adjustment.

Further, the method of attaching the panel to the main body of the electronic scale requires special attaching means such as screws and double-sided adhesive tape.

(Problems to be Solved by the Invention) As described above, in the conventional display device used in the electronic scale, a special screw such as a double-sided adhesive tape or the like is used to attach the panel to the window hole of the electronic scale body. A mounting means is required, and when adjusting the zero point and the span when displaying on the display unit by the adjusting means arranged inside the window hole of the electronic scale main body, the panel is attached to and detached from the window portion. Was not easy. That is, in the case of screwing, a tool is required, and the tightening work of the screw is troublesome.In the case of the double-sided adhesive tape, prepare a new double-sided tape, remove the panel, and then remove the new double-sided tape. I had to re-paste it.

Moreover, the conventional display device does not have a waterproof structure,
There is a risk that water or the like may enter the main body of the electronic scale through the space between the main body of the electronic scale and the panel to damage the display unit and the electric parts inside the main body of the electronic scale.

The present invention has been made in view of the above problems, and an object thereof is to provide a display device in which a panel can be easily attached and detached and which is also provided with a waterproof structure.

[Constitution of device]

(Means for Solving the Problems) The present invention comprises an electronic scale main body and a plate on the top of the electronic scale main body, a window hole is provided in the electronic scale main body, and a display unit and a zero point are provided inside the window hole. , Adjusting means for span adjustment,
And in an electronic scale with a panel attached to the outside of the window,
The panel is provided with a fastening portion that is detachably fitted and fastened to the edge portion of the window of the electronic scale body, and the fastening portion of the panel is detachably fitted to the edge portion of the window hole of the electronic scale body. In addition to providing a mating member to be mated, waterproof means is provided at the edge of the window hole.

(Operation) In the present invention, the panel has a fitting structure in which the panel is fitted and engaged with and attached to the electronic scale body to facilitate the attachment and detachment of the panel to and from the electronic scale body. The waterproof means prevents water or the like from entering the inside of the electronic scale body through the window hole.

(Embodiment) Hereinafter, a configuration of an embodiment of the present invention will be described with reference to the drawings.

FIG. 4 shows an electronic scale to which a display device is applied, in which a plate 2 is attached to the upper surface of a substantially rectangular electronic scale body 1 to obtain the horizontalness of the electronic scale at the four lower corners of the electronic scale body 1. A leg portion 3 whose height can be finely adjusted is attached by a screw.

A display device 11 is provided on the front surface of the electronic scale body 1. As shown in FIG. 1 to FIG. 3, the display device 11 faces the inside of a substantially rectangular window hole 12 provided on the front surface of the electronic scale body 1, and displays the display portion 13 and the adjusting means 14.
The panel is installed by fitting it to the window hole 12
I am wearing 15.

The display unit 13 is designed to digitally display the mounted weight, and the adjusting means 14 is composed of a switch for performing zero point adjustment and span adjustment when displaying on the display unit 13. The means 14 is mounted on one surface of the printed circuit board 16. The printed circuit board 16 is supported on the electronic scale main body 1 by a plurality of supporting pieces 17 and a substrate supporting member 18 in a standing posture with the display section 13 and the adjusting means 14 facing the window hole 12.

The window frame 21 at the peripheral portion of the window hole 12 of the electronic scale main body 1 includes a window frame portion 22 of the main body cover 1a of the electronic scale body 1 and a window frame portion 23 of the base 1b.
The window frame portion 22 of the main body cover 1a is located inside the front surface of the main body cover 1a so that the panel 15 can be fitted, and the upper edge 22a of the window frame portion 22 is the front end of the main body cover 1a. It is located below the upper surface, a fitting step portion 24 is provided on the upper edge 22a, and the window frame portion 23 of the base 1b is also located above the lower surface of the base 1b so that the panel 15 can be fitted. Then
A fitting step 25 is provided below the window frame 23. The window frame 21 is provided with an attached portion 26 to which the panel 15 is detachably fitted and attached, and a plurality of attachment holes 27 are formed in the upper edge 22a of the window frame portion 22 of the main body cover 1a. And a plurality of engaging holes 28 are provided in the window frame portion 23 of the base 1b. Further, the window frame 21 is provided with a waterproofing means 29, and a concave groove 30 is continuously provided on the upper edge 22a and the side edges 22b on both sides of the window frame portion 22 of the main body cover 1a. Body cover
There is a communication opening on the lower side of 1a.

The panel 15 is a mounting piece 32 that is fitted and fitted from the upper edge portion of the front plate 31 that fits into the front surface of the window hole 12 and can be closed to the fitting step portion 24 of the window frame portion 22 of the main body cover 1a. Is integrally formed, and an attachment piece 33 is integrally formed from the lower edge portion of the front plate 31 to the fitting step portion 25 of the window frame portion 23 of the base 1b. Then, the attachment portions 2 of the window frame 21 are attached to the attachment pieces 32 and 33.
An engaging portion 34 for detachably fitting and engaging is provided at 6, and a plurality of detachably fitting and engagingly engaging and engagingly engaging with the respective attachment holes 27 of the window frame portion 22 of the body cover 1a on the upper mounting piece 32. The projection 35 of the base 1b is attached to the lower mounting piece 33.
A plurality of claw portions 36 that are detachably fitted and fastened to the respective fastening holes 28 are provided in a protruding manner. Further, a plurality of protruding pieces that are spaced below the upper mounting piece 32 and are fitted to the lower side of the window frame portion 22 of the main body cover 1a.
37 is projected. The panel 15 is made of, for example, a synthetic resin material having a relatively low transmittance of smoke black, and the thickness of the portion facing the display unit 13 is set thin to improve the transparency of the display of the display unit 13. ing.

The panel is used to adjust the zero point and span.
When removing 15, the upper side of the panel 15 is moved forward to remove the projection 35 of the panel 15 from the engagement hole 27 of the window frame portion 22 of the main body cover 1a, and the lower side of the panel 15 is moved downward. While moving forward while pulling out the claw portion 36 of the panel 15 from the engaging hole 28 of the window frame portion 23 of the base 1b,
The panel 15 can be easily removed.

And with the panel 15 removed from the electronic scale body 1,
The adjusting means 14 is exposed through the window hole 12, and the adjusting means 14 can be operated to perform zero adjustment, span adjustment, etc. when displaying on the display unit 13.

After the adjustment, the panel 15 can be mounted by inserting the claw portion 36 of the panel 15 into the engaging hole 28 of the window frame portion 23 of the base 1b from below, contrary to the above-described removal. 33 to the window frame 23
Is fitted to the fitting step portion 25 on the lower surface of the panel 15, and the upper side of the panel 15 is moved toward the electronic scale main body 1 so that the projection 35 of the panel 15 is attached to the engaging hole 27 of the window frame portion 22 of the main body cover 1a. Inset,
By fitting the mounting piece 32 to the fitting step portion 24 on the upper surface of the window frame portion 22 and fitting the protruding piece 37 to the lower surface of the window frame portion 22,
The panel 15 can be easily installed.

Further, the window frame portion 22 of the main body cover 1a has a groove 30 of the waterproofing means 29.
Therefore, even if water enters between the end surface of the mounting piece 32 of the panel 15 and the joining portion of the fitting step portion 24 of the main body cover 1a, the water enters the concave groove 30 and the window frame. It flows from the portion of the concave groove 30 of the upper edge 22a of the portion 22 to the portion of the concave groove 30 of the side edge 22b, flows out from the lower portion of the main body cover 1a to the outside, and is housed inside the display unit 13 and the electronic scale main body 1. It is possible to prevent the electric parts from being damaged.

Further, since the concave groove 30 provided in the window frame 21 is covered with the panel 15, the concave groove 30 is not exposed to the outside and the appearance can be kept good.

The engaging portion provided on the panel 15 is not limited to the case of setting the upper and lower mounting pieces 32, 33 as in the above-described embodiment,
It may be set at any position such as projecting pieces having claws on both sides of the panel 15, and the structure of the engaging part may be any structure as long as it can be detachably fitted and engaged.

Further, like the above-mentioned embodiment, a waterproof structure can be easily obtained by providing the concave groove 30 as the waterproof means 29 in the window frame portion 22 of the main body cover 1a, but the packing is interposed between the panel 15 as the waterproof means. You may do it.

Further, the concave groove 30 of the waterproofing means 29 may also be used as the engaged portion 26 to which the engaging portion 34 of the panel 15 is engaged.

[Effect of device]

According to the present invention, by adopting a fitting structure in which the panel is fitted and engaged with and attached to the electronic scale body, the panel can be easily attached and detached when the zero point and the span are adjusted, and the window hole The waterproofing means provided at the edge portion can prevent water and the like from entering the inside of the electronic scale main body through the window hole and protect the display unit and the like arranged inside the electronic scale main body.

[Brief description of drawings]

FIG. 1 is a partial sectional view of an electronic scale according to an embodiment of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a plan view thereof, and FIG. 4 is a perspective view of the entire electronic scale. 1 ... Electronic scale main body, 2 ... Plate, 11 ... Display device, 12 ...
… Window, 13 …… Display, 14 …… Adjustment means, 15 …… Panel, 26 …… Attached part, 29 …… Waterproof means, 34 …… Attached part.

Claims (1)

[Scope of utility model registration request] 1. An electronic scale main body and a plate on the top of the electronic scale main body are provided, a window hole is provided in the electronic scale main body, and a display unit, a zero point, and an adjusting means for adjusting the span are provided inside the window hole. An electronic scale having a panel attached to the outside of the window hole, wherein the panel is provided with an engaging portion that is detachably fitted and engaged with an edge portion of the window hole of the electronic scale body, An electronic scale characterized in that an engaged portion to which the engaging portion of the panel is detachably fitted and attached is provided at an edge portion of the window hole, and a waterproofing means is provided at an edge portion of the window hole.