CN209274212U - A kind of circlip silk connection pen clip cylinder is buckled at the pen clip of compasses - Google Patents

Abstract

The utility model relates to a kind of circlip silk connection pen clip cylinders to buckle at the pen clip of compasses, suitable for two pens are combined, realize the function that compasses are drawn, it is suitble to student and engineers and technicians to use as compasses, specific structure is made of the first pen clip cylinder 1, the second pen clip cylinder 2, circlip silk 6 and 7 part of compression spring, is particularly suitable for pupil and is used.

Description

A kind of circlip silk connection pen clip cylinder is buckled at the pen clip of compasses

Technical field

The utility model relates to a kind of circlip silk connection pen clip cylinders to buckle at the pen clip of compasses, is suitable for two pencils Combine, realize the function of compasses, student and engineers and technicians is suitble to use as compasses, it is particularly suitable in, primary school It is raw to use.

Background technique

Compasses in existing market are an individual stationery, and part compasses also have clamping propelling pencil at the function of compasses Can, but for requiring one compasses of special band when pupil's drawing, it is unfavorable for reducing the weight of school bag, mentions in view of the above deficiencies Go out a kind of circlip silk connection pen clip cylinder to buckle at the pen clip of compasses, pen clip cylinder uses plastic material, clamps two pencils, or folder Hold the function that 1 pencil and 1 signature pen etc. are able to achieve picture circle.

Utility model content

The utility model aim is to provide a kind of circlip silk connection pen clip cylinder in view of the above shortcomings into the pen clip of compasses Button realizes the function of compasses using two pencils of clamping；Specific structure is by pen clip cylinder, circlip silk and spring section composition.

To achieve the above object, the utility model uses following technical measures:

A kind of circlip silk connection pen clip cylinder is buckled at the pen clip of compasses, it is characterised in that pen clip button is distinguished using two pen clip cylinders Clamp 2 pencils, or after 1 pencil of clamping and the pen of an other types, two pens are staggered an angle, that is, are able to achieve circle The function of rule.It is characterized in that structure is by pen clip cylinder, circlip silk and spring composition；First pen clip cylinder bottom of the first pen clip cylinder (1) Face (8) has circlip silk slot (3) and cone boss (4), and the second pen clip cylinder bottom surface (13) of the second pen clip cylinder (2) has tubulose Boss (5) has circlip silk mounting hole (10) and bottom outlet (11), the circlip silk mounting hole in tube shape bulge (5) hole (10) run through the tube shape bulge (5), circlip silk (6) insertion is installed in the circlip silk mounting hole (10), and the tubulose is convex The inner wall in platform (5) hole contradicts the outer end of the circlip silk (6) and is detached from the circlip silk mounting hole to limit the circlip silk (6) (10), there is circlip silk escape groove (12), the first pen clip cylinder bottom surface (8) and described second in tube shape bulge (5) hole Pen clip cylinder bottom surface (13) is equipped with compression spring (7), and the compression spring (7) is in the periphery of the tube shape bulge (5), installation Shi Suoshu cone boss (4) struts the circlip silk (6) and enters the bottom outlet (11), and then the circlip silk (6) is in itself bullet Property the lower rebound of effect be caught in the circlip silk slot (3), ensure that the first pen clip cylinder (1) and the second pen clip cylinder (2) connect It is connected together, it is certain that the compression spring (7) guarantees that the first pen clip cylinder (1) and the second pen clip cylinder (2) have oneself Separating force guarantees there is desired frictional force between the first pen clip cylinder (1) and the second pen clip cylinder (2) to reach, To guarantee that radius remains unchanged when drawing compasses, the first pen clip cylinder bottom surface (8) and the second pen clip cylinder bottom surface (13) It is equipped with butterfly spring (14), the big round edge of disk spring (16) and disk spring internal circle (18) and the first pen clip cylinder bottom Face (8) and the second pen clip cylinder bottom surface (13) contact, disk spring inner circle (17) are in the periphery of the tube shape bulge (5), The diameter of circlip silk mounting hole (10) is 0.3mm-2mm, and the groove depth and groove width of the circlip silk slot (3) are 0.3mm-2mm, institute The maximum outside diameter for stating cone boss (4) is 2mm-8mm, and the outer diameter of the tube shape bulge (5) is 3mm-20mm, the circlip silk The groove depth and groove width of escape groove (12) are 0.3mm-2mm, and the diameter of the bottom outlet (11) is 2mm-8mm, the compression spring (7) Diameter be 0.2mm-1mm, the butterfly spring (14) with a thickness of 0.1mm-1.5mm, the first pen clip cylinder (1) has the One installation hole (9), the second pen clip cylinder (2) have the second installation hole (15).

A kind of circlip silk connection pen clip cylinder of the utility model buckles feature at the pen clip of compasses:

1. pen clip barrel structure is simpler, it is easy to plastic mould rapid shaping, high production efficiency；

2. pen clip button product is smaller, part is few, light-weight, easy to carry；

3. pen clip button uses plastic mould, at low cost, Original equipment less investment；

4. guaranteeing desired moment of friction using spring, so that pen clip is buckled in validity period inner friction torque and changes small, compasses Reliable operation.

Detailed description of the invention

Below with reference to attached drawing, the utility model is described in further detail.

Attached drawing 1- attached drawing 5 is that a kind of circlip silk connection pen clip cylinder at the pen clip of compasses buckles embodiment, the utility model Actual use is not limited to embodiment.

Specific embodiment

Referring to attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4 and attached drawing 5, a kind of circlip silk connection pen clip cylinder is buckled at the pen clip of compasses Structure feature are as follows: the first pen clip cylinder 1 and the second pen container 2 are formed using ABS plastic, and the groove depth and groove width of circlip silk slot 3 are 0.8mm, the outer diameter of cone boss 4 are 6mm, and cone angle is 70 degree, and the diameter of circlip silk 6 is 0.7mm, and the inner hole of tube shape bulge 5 is straight Diameter is 6.1mm, is highly 2mm, and the groove depth and groove width of circlip silk escape groove 12 are 0.8mm, and the diameter of circlip silk mounting hole 10 is 6.1mm, depth 1mm, butterfly spring 14 with a thickness of 0.8mm, 17 diameter of disk spring inner circle is 12mm.

Claims (6)

1. a kind of circlip silk connection pen clip cylinder is buckled at the pen clip of compasses, there is clamping pen to realize the drawing function of compasses, feature Structure is that the first pen clip cylinder bottom surface (8) of the first pen clip cylinder (1) has circlip silk slot (3) and cone boss (4), the second pen clip Second pen clip cylinder bottom surface (13) of cylinder (2) has tube shape bulge (5), has circlip silk mounting hole in tube shape bulge (5) hole (10) and bottom outlet (11), the circlip silk mounting hole (10) run through the tube shape bulge (5), and circlip silk (6) insertion is installed on institute It states in circlip silk mounting hole (10), there is circlip silk escape groove (12) in tube shape bulge (5) hole.

2. a kind of circlip silk connection pen clip cylinder according to claim 1 is buckled at the pen clip of compasses, it is characterised in that described the One pen clip cylinder bottom surface (8) and the second pen clip cylinder bottom surface (13) are equipped with compression spring (7), and the compression spring (7) is in The periphery of the tube shape bulge (5).

3. a kind of circlip silk connection pen clip cylinder according to claim 1 is buckled at the pen clip of compasses, it is characterised in that described the One pen clip cylinder bottom surface (8) and the second pen clip cylinder bottom surface (13) are equipped with butterfly spring (14), the big round edge of disk spring (16) It is contacted with disk spring internal circle (18) with the first pen clip cylinder bottom surface (8) and the second pen clip cylinder bottom surface (13), dish Spring inner circle (17) is in the periphery of the tube shape bulge (5).

4. a kind of circlip silk connection pen clip cylinder according to claim 1 is buckled at the pen clip of compasses, it is characterised in that circlip silk The diameter of mounting hole (10) is 0.3mm-2mm, and the groove depth and groove width of the circlip silk slot (3) are 0.3mm-2mm, and the taper is convex The maximum outside diameter of platform (4) is 2mm-8mm, and the outer diameter of the tube shape bulge (5) is 3mm-20mm, the circlip silk escape groove (12) Groove depth and groove width be 0.3mm-2mm, the diameter of the bottom outlet (11) is 2mm-8mm.

5. a kind of circlip silk connection pen clip cylinder according to claim 2 is buckled at the pen clip of compasses, it is characterised in that the pressure The diameter of power spring (7) is 0.2mm-1mm.

6. a kind of circlip silk connection pen clip cylinder according to claim 3 is buckled at the pen clip of compasses, it is characterised in that the butterfly Shape spring (14) with a thickness of 0.1mm-1.5mm.