CN201211792Y - Foldable ruler - Google Patents

Abstract

The utility model discloses a folding ruler which comprises a plurality of folding ruler units. Two adjacent folding ruler units are connected by a hinge and are arranged at the same side of an adjacent folding ruler unit; and two adjacent hinges are alternate above and blow the plane of the folding ruler units. The folding ruler designed through the technical proposal of the utility model has the advantages of simple structure, convenience and practicality.

Description

A kind of collapsible ruler

Technical field

The utility model relates to a kind of ruler, is specially a kind of collapsible ruler.

Background technology

Ruler is one of instrument indispensable in daily life and the work, and present ruler kind is a lot, and ruler, tape measure, tape measure and folding chi etc. are arranged.But in drawing process, all have defective separately: the too short inconvenience amount of ruler is drawn long line, and oversize carries and inconvenience; And tape measure and tape measure are too soft when drawing, bad line; Folding chi is 360 degree rotations, draws long line though can measure, the inconvenience that is fixed up, and bending and displacement easily again uses easily and makes mistakes in drafting, and inconvenience is also unstable.

The utility model content

Goal of the invention of the present utility model is for a kind of collapsible ruler is provided, to solve the problems referred to above that existing various rulers exist.

The purpose of this utility model can be achieved through the following technical solutions.

A kind of collapsible ruler comprises some folding rules unit, connects and be arranged at the same one side of adjacent folding rule unit between two adjacent folding rule unit with hinge, and two adjacent hinges are at plane, folding rule unit alternatively up and down.

Lower plane respectively has groove on the two ends of described folding rule unit, and to place hinge, it is smooth to make ruler launch the back.

Folding chi by technical solutions of the utility model design has simple in structure, convenient and practical advantage.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a profile of the present utility model.

Among the figure: 1, folding rule unit 2, hinge 3, groove

The specific embodiment

Further set forth design feature of the present utility model below in conjunction with accompanying drawing and specific embodiment:

A kind of collapsible ruler as shown in Figure 1 comprises between 1, two adjacent folding rule unit 1, some folding rules unit the same one side that connects and place adjacent folding rule unit 1 with hinge 2, and two adjacent hinges 2 are 1 plane alternatively up and down in the folding rule unit.

The last lower plane at the two ends of described folding rule unit 1 respectively has groove 3, to place hinge 2, makes ruler expansion back smooth.

Claims (2)

1, a kind of collapsible ruler, comprise some folding rules unit (1), it is characterized in that: connect and place the same one side of adjacent folding rule unit (1) between two adjacent folding rule unit (1) with hinge (2), two adjacent hinges (2) are at plane, folding rule unit (1) alternatively up and down.

2, a kind of collapsible ruler according to claim 1 is characterized in that: the last lower plane at the two ends of folding rule unit (1) respectively has the groove (3) of an adaptation hinge (2).

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