DE1591368C3

DE1591368C3 - Display device for a tunable electrical device

Info

Publication number: DE1591368C3
Application number: DE19671591368
Authority: DE
Inventors: Hans 6349 Sinn Gumbert; Gerrit Peter Antoon Marie Van Kerkheide Wintelre Tilburg (Niederlande)
Original assignee: Philips Patentverwaltung GmbH
Current assignee: Philips Intellectual Property and Standards GmbH
Priority date: 1967-05-10
Filing date: 1967-05-10
Publication date: 1974-03-14
Also published as: DE1591368B2; DE1591368A1

Description

dient.serves.

An der Leiste 5 ist außerdem noch im Bereich des Gelenkes 11 ein Ansatz 25 vorgesehen, der einen Führungsstift 27 trägt. Der Führungsstift kann entweder aus dem Material des Ansatzes 25 herausgearbeitet sein oder aber auch aus einem auf den Ansatz 25 aufgesetzten Blechteil bestehen, auf das noch ein Rohrniet 28 aufgesetzt ist, der eine besonders leicht gängige Führung bewirkt. Der Führungsstift greift in eine Nut 29 eines Führungsgliedes 31 ein, das in Richtung des Doppelpfeiles 33 senkrecht zur Verbindungslinie der Fixpunkte 13 verschiebbar ist und mit einem Abstimmelement in Verbindung steht. Die Nut 29 verläuft in Richtung der Verbindungslinie der Fixpunkte. Damit wird es der Leiste 5 möglich, bei Hin- und Herbewegungen des Teiles 31 um das Gelenk 11 zu kippen, wobei es dann die Leisten 3 und 1 entsprechend mitzieht.On the bar 5, a projection 25 is also provided in the area of the joint 11, the one Guide pin 27 carries. The guide pin can either be machined from the material of the projection 25 be or consist of a sheet metal part placed on the projection 25, on which one more Tubular rivet 28 is placed, which causes a particularly easy-to-use guide. The guide pin engages a groove 29 of a guide member 31 in the direction of the double arrow 33 perpendicular to the connecting line the fixed points 13 is displaceable and is connected to a tuning element. The groove 29 runs in the direction of the line connecting the fixed points. This makes it possible for the bar 5 to move the part 31 to and fro around the joint 11 to tilt, whereby it then pulls the strips 3 and 1 accordingly.

An der mittleren Leiste 3 ist ein Zeiger 35 mit einem Anzeigestück 36 angeordnet, der bei den Kippbewegungen des aus den Leisten 1,3 und 5 gebildeten Führungsgebildes über eine Anzeigeskala 37 hinwegstreicht. Um eine sichere Befestigung des Zeigers 35 an der Leiste 3 zu erhalten, ist der Zeiger kurz vor der Leiste 3 in zwei Teiltragarme 39 aufgespalten, die dann an der Leiste 3 angreifen. Durch diese Aufspaltung wird außerdem erreicht, daß das Leisten- und Zeigergebilde immer gut auf dem Bügel 23 aufliegt.On the middle bar 3, a pointer 35 is arranged with a display piece 36, which during the tilting movements of the guide structure formed from strips 1, 3 and 5 sweeps over a display scale 37. In order to obtain a secure attachment of the pointer 35 to the bar 3, the pointer is shortly before the bar 3 is split into two partial support arms 39, which then engage the bar 3. Through this split it is also achieved that the last and pointer structure always rests well on the bracket 23.

Mit Hilfe einer Feder 41 kann schließlich ein Spielausgleich des Zeiger-Leistengebildes erreicht werden. Die Leisten 1,3,5 und die Zeigerteile 35 und 39 sowie der Ansatz 25 sind als ein Kunststoffspritzteil ausgebildet. With the aid of a spring 41, a play compensation of the pointer bar structure can finally be achieved. The bars 1,3,5 and the pointer parts 35 and 39 as well the extension 25 are designed as a plastic injection-molded part.

ίο Mit einer beliebigen Schenkellängenausbildung wird nur eine gekrümmte Verschiebebahn des Anzeigestückes 36 erreicht. Soll die Verschiebebahn gradlinig sein, wie es bei einem Rundfunkempfangsgerät allgemein üblich ist, dann müssen folgende Bedingungen eingehalten werden zwischen dem maximalen Verschiebeweg »A« nach Fig. 1, der Länge des Zeigers 35 »α«, den Leistenlängen »b« und »c« und der Entfernung »d« der Fixpunkte 13:
a = 1,1 bis 1,3 · Aίο With any leg length design, only a curved displacement path of the display piece 36 is achieved. If the displacement path is to be straight, as is generally the case with a radio receiver, the following conditions must be observed between the maximum displacement path "A" according to FIG. 1, the length of the pointer 35 "α", the bar lengths "b" and "c «And the distance» d «of the fixed points 13:
a = 1.1 to 1.3 * A

b = 0,53 · A
c = 0,6 A
d = Ab = 0.53 * A
c = 0.6 A
d = A

Damit ist eine sehr einfache, gradlinige und dennoch vollwertige Anzeigevorrichtung geschaffen.This creates a very simple, straightforward and yet full-fledged display device.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 21 2

is stretched over pulleys and can be operated by means of a

Claims: actuator connected to tuning elements

is to be dragged back and forth, moving the pointer

1 display device for a tunable moved over a tuning dial. Such electrical devices with one with the tunable 5 display devices are quite expensive,
There are also simple display devices berungs member that knows back and forth during tuning movements, in which either a dial can be pushed against each other, characterized by being rotated over a fixed mark or in which three trapezoidal bars a pointer around one Axis is rotated and one (1, 3, 5), of which the two outer (1, 5) with 10 circular scale sweeps over. These simple pointing devices are attached to fixed points (13) at one end (9), but are not arranged in a long angular manner and are transferable with the respective extended straight-line scales,
Ren ends between the third bar (3) ge It is the object of the invention to hold a simple Anzeilenkig to which a pointer (35) attached to schafist device for an elongated scale, and that on the one bar (5) the guide - 15 fen.

member (31) engages with which the bar arrangement.

is tiltable around the fixed points. for a tunable electrical device according to

2. Display device according to claim 1, that the invention is achieved by three trapezoidal to each other characterized in that the strips (1, 3, 5) of the arranged strips, of which the two outer continuously formed from a piece of plastic 20 are articulated with one end each at fixed points and also the joints (7,11) from the art order and with the respective other ends Consist of material that articulately hold the third bar between them in the area of the joints link has a small cross-section. one pointer is attached, and that on one bar

3. Display device according to claims 1, the guide member engages with which the Leistenan- and 2, characterized in that the 25th order can be tilted around the fixed points.
The entire bar structure of the display device protrudes vertically from the bar (3) and can be designed as a plastic injection-molded part at a right angle from its free end, with pointers (35) provided with the joints only by reducing the amount of the the strips (1, 3, 5) and joints (7, 11) are made of material cross-section.

forming plastic material in one piece with the- 30 According to an expedient development of the Ersen Share is formed. finding is also the pointer from which the bars and

4. Display device according to claims 1 with plastic material forming joints in one piece to 3, characterized in that the guide made these parts. For its creation and member (31) on an approach (25) one of the external attachment so there is no need for additional Ar strips (5) engages and a guide pin (27) 35 beitsganges.

of the approach in a longitudinal groove (29), which in Rieh- According to a further embodiment of the invention

In the direction of the connecting line of the fixed points (13), the guide member engages with an attachment to one of the

runs, leads. outer ledges and guides it with a guide pin

5. Display device according to claims 1 of the approach in a longitudinal groove extending in the direction of to 4, characterized in that the connecting line of the fixed points runs on the guide lines. So is approximately pin (27) a tubular rivet (28) is attached. also no further additional connection to it. to the

6. Display device according to claims 1 guide member more required. Is the guide pin to 5, characterized in that the guide also pins on a movable sheet metal part (27) on a slidable on the approach (25), then it can also be compared to the Ren sheet metal part is arranged. 45 pointer structures can be adjusted.

7. Display device according to claims 1 In order to prevent the bar structure from tipping over, to 6, characterized in that the bar rests on a support bracket.

form (1, 3, 5) rests on a support bracket (23). The invention is based on the in the drawing

8. Display device according to claims 1 illustrated embodiment explained in more detail, to 7, characterized in that at a ma 50 Fig. 1 shows a plan view of the display proximal displacement path A of the display piece of the direction according to the invention.

Distance (d) is the same as the fixed point (13), the length Fig. 2 shows a section through the device

(α) of the pointer (35) is 1.1 to 1.3 A, the length along the line H-II according to FIG. 1.
(fc) of the side strips (1, 5) is equal to 0.53 A and the three strips 1, 3, 5 are shown in FIG.

Length (c) of the center bar (3) is equal to 0.6 A. 55 set display device trapezoidal to each other

aligned. The strips are made of plastic and are connected via plastic joints 7, which are connected by a

reduction in the cross-section of the groin are formed,

connected with each other. The remaining free En-60 the 9 of the outer strips 1 and 5 are finally

The invention relates to a display device also via plastic joints 11 with fixed points direction for a tunable electrical device connected to 13. These fixed points are located on the one with the tunable elements of the device holder 15 of the display scale. There is help in them connected guide member, the one in each case with tuning movement of screws 17 and clamping plates 19 movements is movable back and forth. 65 bar end piece 21 clamped, which is connected to the

There are display devices for tunable most 1 and 5 via the joints 11 is connected. Low-electric Known devices that interfere with a pointer are still a support bracket 23 at the fixed points can be seen attached to a rope. The rope is clamped, which serves as a support for the groin structure