CN205292035U

CN205292035U - Multi -functional sucking disc formula mapping compasses

Info

Publication number: CN205292035U
Application number: CN201620009754.8U
Authority: CN
Inventors: 黄绪丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-05
Filing date: 2016-01-05
Publication date: 2016-06-08
Anticipated expiration: 2026-01-05

Abstract

The utility model relates to a multi -functional sucking disc formula mapping compasses, it is including the compasses body and sucking disc and the connection rope that are equipped with two compasses legs, the bottom of a compasses leg of compasses body is equipped with the needle of deciding that is used for fixed position, the lower part outside of another compasses leg is equipped with the fixing device who is used for fixed mapping pen, the sucking disc is including being used for adsorbing the planar sucking disc body of smooth stereoplasm and being used for the sucking disc base to settling the needle, sucking disc body and sucking disc base fixed connection, connect rope one end fixed connection on the compasses body is equipped with the compasses leg of deciding the needle, the other end and sucking disc base fixed connection, the length of connecting the rope is greater than the distance of deciding the needle point and holding connection rope and compasses leg junction, compared with the prior art, the utility model discloses product manufacture is simple, with low costs, draws the restriction of circle function and lacks, is suitable for multiple occasion, for example using on smooth stereoplasm planes such as blank or blackboard, use on soft planes such as paper, using on rough stereoplasm planes such as wall, it is very convenient to use.

Description

Multifunctional sucking disc type mapping compasses

Technical field

This utility model relates to drafting instrument field, particularly relates to a kind of mapping compasses.

Background technology

The compasses sold in the market are mostly equipped with determining pin on a foot, with the center of circle that fixes, another foot is used as line equipped with carbon bar or chalk, this compasses on paper or are made round more convenient in other soft plane, but it is just inconvenient when making circle in smooth hard plane or when requiring not lesion level, such as at teaching blank, when blackboard uses, both easily skidded, it is easily damaged again teaching blank, blackboard, the overlay method that can not complete line segment is drawn, the teaching demonstration making construction with ruler and compasses can not carry out substantially, and existing sucker type compass directly replaces determining pin with sucker, with the center of circle that fixes, another foot fills carbon bar or chalk, but this compasses can only use in the such smooth hard plane of blank or blackboard, cannot use in the rough rigid planar such as soft plane or metope such as paper, function is very restricted.

Utility model content

Technical problem to be solved in the utility model be to provide a kind of easy to use, be suitable for multiple occasion, multifunctional sucking disc type mapping compasses that to manufacture simple cost low.

The technical scheme that this utility model solves above-mentioned technical problem is as follows:

A kind of multifunctional sucking disc type mapping compasses, compasses body that it includes being provided with two compass legs and sucker and connection rope, the bottom of described one compass leg of compasses body is provided with determines pin for fixed position, the lower outside of another compass leg is provided with the fixing device for fixing mapping pen, described sucker includes the sucker body for adsorbing smooth hard plane and for propping up the described sucker base determining pin, described sucker body is fixing with described sucker base to be connected, described one end connecting rope is fixedly connected on described compasses body and is provided with on the compass leg determining pin, the other end is fixing with described sucker base to be connected, the described length connecting rope determines the needle tip distance to described connection rope with compass leg junction more than described.

Compared with prior art, the beneficial effects of the utility model are:

This utility model product not only manufactures simply, cost is low, and and to draw round function unrestricted, it is suitable for multiple occasion, when the such smooth hard plane of blank or blackboard uses, have only to first pass through fixing device and the mapping pens such as chalk, carbon pencil or Pen for whiteboard are fixed on compass leg, the circle centre position again sucker body inhaled at circle to be painted is fixed, make sucker base overlapping with the center of circle away from that side of sucker body, then it is against sucker base that center, side away from sucker body determining pin, it is possible to use mapping stroke circle; When the soft planes such as paper use, it is only necessary to first pass through fixing device pen of chalk, carbon pencil etc. being mapped and be fixed on compass leg, then determining pin and be against the circle centre position of circle to be painted, it is possible to use mapping stroke circle; When the rough rigid planar such as metope use, have only to first pass through fixing device and the mapping pens such as chalk, carbon pencil or Pen for whiteboard are fixed on compass leg, again sucker body is placed on the circle centre position of circle to be painted, make sucker base overlapping with the center of circle away from the center of that side of sucker body, then it is against sucker base that center, side away from sucker body determining pin, avoid determining stylus printer slide or damage metope, mapping stroke circle can be used simultaneously, very easy to use.

On the basis of technique scheme, this utility model can also do following improvement.

As a kind of preferred implementation of the present utility model, described fixing device is the tubular fixation clamp that can clamp mapping pen.

Above-mentioned preferred version is adopted to provide the benefit that: to use tubular fixation clamp clamping mapping pen easy to operate, fixing more firm.

As another kind of preferred implementation of the present utility model, described fixing device is can the gum sleeve of banding mapping pen.

Above-mentioned preferred version is adopted to provide the benefit that: using gum sleeve fixing mapping pen, produce simple and convenient, cost is low.

As another kind of preferred implementation of the present utility model, described gum sleeve is round table-like, and upper end caliber is equal to a mapping external diameter, and lower end caliber is less than a mapping external diameter.

Above-mentioned preferred version is adopted to provide the benefit that: to use such gum sleeve banding mapping pen convenient, fixing more firm.

As another kind of preferred implementation of the present utility model, the sidepiece that described sucker base is adjacent with described sucker body is connected the fixing connection of rope with described.

Adopt above-mentioned preferred version to provide the benefit that: to fix with the sidepiece of sucker base be connected connecting rope, convenient be against the sucker base center away from that side of sucker body by determining pin.

As another kind of preferred implementation of the present utility model, described sucker base is additionally provided with for blocking the described groove determining pin away from the center, side of described sucker body.

Adopting above-mentioned preferred version to provide the benefit that: convenient to be against the sucker base center away from that side of sucker body by determining pin, effective anti-fastening stylus printer is sliding.

As another kind of preferred implementation of the present utility model, the inside of described sucker base is provided with and can prevent from described determining the sheet metal of sucker body described in pin pierce through.

Above-mentioned preferred version is adopted to provide the benefit that: to be prevented effectively from the normal use affecting sucker body because determining pin pierce through sucker body.

As another kind of preferred implementation of the present utility model, described compasses body is provided with the draw-in groove determining to be additionally provided with on the compass leg of pin for placing described sucker.

Adopt above-mentioned preferred version to provide the benefit that: when sucker need not be used, be wrapped on compass leg connecting rope, and sucker can snap in draw-in groove, effectively prevents sucker from damaging.

As another kind of preferred implementation of the present utility model, the side view of the opening shape of described draw-in groove and described sucker matches.

Adopt above-mentioned preferred version to provide the benefit that: convenient sucker snaps in, be prevented effectively from sucker and skid off from draw-in groove.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model product;

In accompanying drawing, the list of parts representated by each label is as follows:

1, compasses body, 2, determine pin, 3, fixing device, 4, connect rope, 5, sucker, 6, sucker body, 7, sucker base, 8, draw-in groove.

Detailed description of the invention

Below in conjunction with accompanying drawing, principle of the present utility model and feature being described, example is served only for explaining this utility model, is not intended to limit scope of the present utility model.

Embodiment

As shown in Figure 1, a kind of multifunctional sucking disc type mapping compasses, compasses body 1 and sucker 5 that it includes being provided with two compass legs and connect rope 4, the bottom of described 1 one compass legs of compasses body is provided with determines pin 2 for fixed position, the lower outside of another compass leg is provided with the fixing device 3 for fixing mapping pen, described fixing device 3 can be can clamp mapping pen tubular fixation clamp or can banding mapping pen gum sleeve, preferably design according to gum sleeve in round table-like, and upper end caliber is equal to a mapping external diameter, lower end caliber is less than a mapping external diameter, described sucker 5 includes the sucker body 6 for adsorbing smooth hard plane and for propping up the described sucker base 7 determining pin 2, described sucker body 6 is fixing with described sucker base 7 to be connected, described one end connecting rope 4 is fixedly connected on described compasses body 1 and is provided with on the compass leg determining pin 2, the other end is fixing with described sucker base 7 to be connected, the described length connecting rope 4 determines the most advanced and sophisticated distance to described connection rope 4 with compass leg junction of pin 2 more than described,

It is against the sucker base 7 center away from that side of sucker body 6 by determining pin, it is preferred to the sidepiece that described sucker base 7 is adjacent with described sucker body 6 is connected the fixing connection of rope 4 with described in order to convenient;

Being against the sucker base 7 center away from that side of sucker body 6 in order to convenient by determining pin 2, effective anti-fastening pin 2 skids, and described sucker base 7 may be provided for blocking the described groove determining pin 2 away from the center, side of described sucker body 6;

In order to be prevented effectively from the normal use affecting sucker body 6 because determining pin pierce through sucker body 6, it is possible to arrange in the inside of described sucker base 7 and can prevent the described sheet metal of sucker body 6 described in pin 2 pierce through of determining;

This utility model product can also be provided with on the compass leg determining pin 2 to be arranged to place at described compasses body 1 draw-in groove 8 of described sucker 5, so when sucker 5 need not be used, be wrapped on compass leg connect rope 4, and sucker 5 can snap in draw-in groove 8, effectively preventing sucker 5 from damaging, the opening shape of described draw-in groove 8 preferably matches with the side view of described sucker 5.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.

Claims

1. multifunctional sucking disc type mapping compasses, it includes the compasses body (1) being provided with two compass legs, it is characterized in that, it also includes sucker (5) and connects rope (4), the bottom of described (1) compass leg of compasses body is provided with determines pin (2) for fixed position, the lower outside of another compass leg is provided with the fixing device (3) for fixing mapping pen, described sucker (5) includes the sucker body (6) for adsorbing smooth hard plane and is used for propping up the described sucker base (7) determining pin (2), described sucker body (6) is fixing with described sucker base (7) to be connected, described one end connecting rope (4) is fixedly connected on described compasses body (1) and is provided with on the compass leg determining pin (2), the other end is fixing with described sucker base (7) to be connected, the described length connecting rope (4) determines the most advanced and sophisticated distance to described connection rope (4) with compass leg junction of pin (2) more than described.

2. multifunctional sucking disc type according to claim 1 mapping compasses, it is characterised in that described fixing device (3) is the tubular fixation clamp that can clamp mapping pen.

3. multifunctional sucking disc type according to claim 1 mapping compasses, it is characterised in that described fixing device (3) be can banding map pen gum sleeve.

4. multifunctional sucking disc type according to claim 3 mapping compasses, it is characterised in that described gum sleeve is round table-like, and upper end caliber is equal to a mapping external diameter, lower end caliber is less than a mapping external diameter.

5. multifunctional sucking disc type according to claim 1 mapping compasses, it is characterised in that the sidepiece that described sucker base (7) is adjacent with described sucker body (6) is connected the fixing connection of rope (4) with described.

6. multifunctional sucking disc type according to claim 1 mapping compasses, it is characterized in that, described sucker base (7) is additionally provided with for blocking the described groove determining pin (2) away from the center, side of described sucker body (6).

7. multifunctional sucking disc type according to claim 1 mapping compasses, it is characterised in that the inside of described sucker base (7) is provided with and can prevent from described determining the sheet metal of sucker body (6) described in pin (2) pierce through.

8. the multifunctional sucking disc type mapping compasses according to any one of claim 1-7, it is characterized in that, described compasses body (1) is provided with on the compass leg determining pin (2) and is additionally provided with the draw-in groove (8) for placing described sucker (5).

9. multifunctional sucking disc type according to claim 8 mapping compasses, it is characterised in that the side view of the opening shape of described draw-in groove (8) and described sucker (5) matches.