CN209600127U - A kind of drawing compasses - Google Patents
A kind of drawing compasses Download PDFInfo
- Publication number
- CN209600127U CN209600127U CN201920177029.5U CN201920177029U CN209600127U CN 209600127 U CN209600127 U CN 209600127U CN 201920177029 U CN201920177029 U CN 201920177029U CN 209600127 U CN209600127 U CN 209600127U
- Authority
- CN
- China
- Prior art keywords
- lead
- retractable pencil
- straddle
- bottom end
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model provides a kind of drawing compasses, belongs to drafting instrument technical field.It solves existing common compasses can not meet the technical problems such as the requirement of picture different thicknesses lines with same lead for retractable pencil.This drawing compasses, it is advised including divider and pen, the top of divider and pen rule is hinged in U-shaped frame, the top of U-shaped frame is fixed with handle, the bottom end of divider is provided with steel needle, and the bottom end of pen rule is provided with lead for retractable pencil straddle, and the bottom end of lead for retractable pencil straddle is equipped with lead for retractable pencil, it is characterized in that, the lead for retractable pencil straddle can be rotated and circumferentially positioned can be plugged in the bottom end of pen rule.The utility model to adjust to be drawn round line weight by rotation lead for retractable pencil straddle, and no replacement is required lead for retractable pencil improves the efficiency of drawing with very big convenience.
Description
Technical field
The utility model belongs to drafting instrument technical field, is related to a kind of drawing compasses, especially for professional cartography
Compasses.
Background technique
In professional cartography, such as in mechanical major drawing, there is the requirement of thickness of lines to drawn circle, draws heavy line
When, it is desirable that the head for the lead for retractable pencil being mounted on compasses is cut thicker, when drawing hachure, it is desirable that the head of lead for retractable pencil cut carefully one
A bit, common compasses can not meet the requirement of picture different thicknesses lines with same lead for retractable pencil, need to give drawing band with changing lead for retractable pencil
It is inconvenient to come.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of drawing compasses, is utilized
Same lead for retractable pencil can draw the circle of different thicknesses lines, improve the efficiency of drawing.
The purpose of this utility model can be realized by the following technical scheme: a kind of drawing compasses, including divider and pen rule,
The top of divider and pen rule is hinged in U-shaped frame, and the top of U-shaped frame is fixed with handle, and the bottom end of divider is provided with steel needle,
The bottom end of pen rule is provided with lead for retractable pencil straddle, and the bottom end of lead for retractable pencil straddle is equipped with lead for retractable pencil, which is characterized in that the lead for retractable pencil straddle can turn
Bottom end that is dynamic and circumferentially positioned being plugged in pen rule.
Its working principles are as follows: it is flat by being whittled into mounted in the head of the lead for retractable pencil of lead for retractable pencil straddle bottom end, make it have a sword
Portion contacts picture circle by the blade and paper, and in order to improve the durability of lead for retractable pencil, the head for the lead for retractable pencil having in the market is when leaving the factory
Just being whittled into flat, flat lead for retractable pencil head then has more long wearability relative in the head of tip-like.When need
With compasses come the bowlder of picture hachure, lead for retractable pencil straddle is rotated, the sword length direction of the blade on lead for retractable pencil head and cutting for drawn circle are made
Line direction is identical, then drawn lines are hachure, and the extra fine wire item being adjustable, when needing the broad-brush bowlder of picture,
Lead for retractable pencil straddle is rotated, keeps the sword length direction of the blade on lead for retractable pencil head vertical with the tangential direction of drawn circle, then drawn lines are
Thick lines, and the most thick lines being adjustable, in this way, round line weight is drawn to adjust by rotation lead for retractable pencil straddle,
No replacement is required lead for retractable pencil has very big convenience, improves the efficiency of drawing, is drawn lines by rotation lead for retractable pencil straddle to adjust
Thickness can adjust different in width according to the actual needs of drawing, greatly to this thick process being carefully linear regulation process
Improve the instrumentality of this drawing compasses.
The bottom end of above-mentioned pen rule is provided in the axial direction with a jack, and the top of lead for retractable pencil straddle is inserted into the jack, lead for retractable pencil
The external cylindrical surface of straddle offers annular groove around circumferential, and the external cylindrical surface of lead for retractable pencil straddle is also provided with positioning tooth around circumferential, annular
The top of slot and positioning tooth from lead for retractable pencil straddle is sequentially distributed to bottom end, and the bottom sidewall of the lead for retractable pencil straddle offers positioning screw hole
One and positioning screw hole two, location nut one is combined in positioning screw hole one, and the head of location nut one has pillar, when positioning spiral shell
When mother one is screwed in positioning screw hole one, which is caught in the annular groove；Positioning spiral shell is combined in the positioning screw hole two
Mother two, the head of location nut two is provided with spring needle, and when location nut two screws in positioning screw hole two, which is caught in described
In the tooth socket of positioning tooth.Pillar is caught in annular groove, can be rotated lead for retractable pencil straddle axial restraint circumferentially, spring needle is caught in positioning tooth
It in tooth socket between adjacent teeth, plays the role of positioning to the rotation of lead for retractable pencil straddle, when rotating lead for retractable pencil straddle with hand, spring needle is generated
Flexible deformation is detached from tooth socket, rotates lead for retractable pencil straddle, and when stopping rotating lead for retractable pencil straddle, spring needle is caught in tooth socket, prevents
Only lead for retractable pencil straddle voluntarily rotates during drawing circle, plays the role of positioning.
The section semicircular in shape of above-mentioned annular groove, the top of the pillar are hemispherical.The hemispheric pillar top card
Enter in annular groove, make to rotate smooth and plays the role of good location.
The external cylindrical surface of above-mentioned lead for retractable pencil straddle is also provided with annular knurl, and when lead for retractable pencil straddle is inserted into jack, which is in pen
Outside the jack of rule.When needing to rotate lead for retractable pencil straddle, finger can be pinched and be rotated at annular knurl, prevent from skidding.
The bottom end of above-mentioned lead for retractable pencil straddle has core bore, and lead for retractable pencil straddle bottom end is arranged with union cap (UC), lead for retractable pencil is inserted into core bore
It is interior, lead for retractable pencil is fixed in the core bore by screw thread pressure cap.
Compared with prior art, the utility model has the advantage that
1. the utility model, round line weight is drawn to adjust by rotation lead for retractable pencil straddle, no replacement is required lead for retractable pencil has
There is very big convenience, improves the efficiency of drawing.
2. the utility model adjusts drawn lines thickness by rotation lead for retractable pencil straddle, lines are from carefully to this thick mistake
Journey is linear regulation process, can adjust different in width according to the actual needs of drawing, greatly improve the function of this drawing compasses
The property used.
3. the utility model has structure simple, there is stronger application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic cross-sectional view in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of lead for retractable pencil straddle in the utility model.
Fig. 4 is the structural schematic diagram of location nut one in the utility model.
Fig. 5 is the structural schematic diagram of location nut two in the utility model.
In figure, 1, divider；2, pen is advised；3, U-shaped frame；4, handle；5, steel needle；6, lead for retractable pencil straddle；7, lead for retractable pencil；8, jack；9,
Annular groove；10, positioning tooth；11, location nut one；12, pillar；13, location nut two；14, spring needle；15, annular knurl；16, screw thread
Pressure cap.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, a kind of drawing compasses, including divider 1 and pen advise 2, the top that divider 1 and pen advise 2 is hinged in U
In shape frame 3, the top of U-shaped frame 3 is fixed with handle 4, and the bottom end of divider 1 is provided with steel needle 5, and the bottom end of pen rule 2 is provided with lead for retractable pencil
The bottom end of straddle 6, lead for retractable pencil straddle 6 is equipped with lead for retractable pencil 7, which is characterized in that lead for retractable pencil straddle 6 can be rotated and circumferentially positioned can be plugged in pen
The bottom end of rule 2.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the bottom end of pen rule 2 is provided in the axial direction with a jack 8, the top of lead for retractable pencil straddle 6
It is inserted into jack 8, the external cylindrical surface of lead for retractable pencil straddle 6 offers annular groove 9 around circumferential, and the external cylindrical surface of lead for retractable pencil straddle 6 is around circumferential direction
It is also provided with positioning tooth 10, the top of annular groove 9 and positioning tooth 10 from lead for retractable pencil straddle 6 is sequentially distributed to bottom end, lead for retractable pencil straddle 6
Bottom sidewall offers positioning screw hole one and positioning screw hole two, and location nut 1, location nut are combined in positioning screw hole one
One 11 head has pillar 12, and when location nut 1 screws in positioning screw hole one, which is caught in the annular
In slot 9；Location nut 2 13 is combined in positioning screw hole two, the head of location nut 2 13 is provided with spring needle 14, the present embodiment
In, the head end of location nut 2 13 offers a mounting hole, and spring needle 14, which is tightly inserted into mounting hole, to be fixed, and works as positioning
When nut 2 13 is screwed in positioning screw hole two, which is caught in the tooth socket of positioning tooth 10.
The section semicircular in shape of annular groove 9, the top of pillar 12 are hemispherical.
The external cylindrical surface of lead for retractable pencil straddle 6 is also provided with annular knurl 15, and when lead for retractable pencil straddle 6 is inserted into jack 8, which is in
Outside the jack 8 of pen rule 2.
The bottom end of lead for retractable pencil straddle 6 has core bore, and 6 bottom end of lead for retractable pencil straddle is arranged with union cap (UC) 16, in the present embodiment, the spiral shell
Line pressure cap 16 and lead for retractable pencil 7 is fixed as the prior art with screwing for lead for retractable pencil straddle 6, is offered in 6 bottom end of lead for retractable pencil straddle
External screw thread, the bottom end of lead for retractable pencil straddle 6 are in valvular structure, form core bore, and when union cap (UC) 16 is arranged and screws in, which is received
Contracting, the lead for retractable pencil 7 in core bore is fixed.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although 1, divider is used more herein；2, pen is advised；3, U-shaped frame；4, handle；5, steel needle；6, lead for retractable pencil straddle；7,
Lead for retractable pencil；8, jack；9, annular groove；10, positioning tooth；11, location nut one；12, pillar；13, location nut two；14, spring needle；
15, annular knurl；16, the terms such as union cap (UC), but it does not exclude the possibility of using other terms.It the use of these terms is only to be
It is more convenient to describe and explain the essence of the utility model；Being construed as any additional limitation is all and this reality
It is disagreed with novel spirit.
Claims (5)
1. the top of a kind of drawing compasses, including divider (1) and pen rule (2), divider (1) and pen rule (2) is hinged in U-shaped frame
(3) in, the top of U-shaped frame (3) is fixed with handle (4), and the bottom end of divider (1) is provided with steel needle (5), and the bottom end of pen rule (2) is set
It is equipped with lead for retractable pencil straddle (6), the bottom end of lead for retractable pencil straddle (6) is equipped with lead for retractable pencil (7), which is characterized in that the lead for retractable pencil straddle (6) can turn
Bottom end that is dynamic and circumferentially positioned being plugged in pen rule (2).
2. a kind of drawing compasses according to claim 1, which is characterized in that the bottom end of the pen rule (2) is opened up along axial direction
Have a jack (8), in the top insertion of lead for retractable pencil straddle (6) jack (8), the external cylindrical surface of lead for retractable pencil straddle (6) is around circumferential direction
It offers annular groove (9), the external cylindrical surface of lead for retractable pencil straddle (6) is also provided with positioning tooth (10) around circumferential, annular groove (9) and positioning
The top of tooth (10) from lead for retractable pencil straddle (6) is sequentially distributed to bottom end, and the bottom sidewall of the lead for retractable pencil straddle (6) offers positioning spiral shell
Hole one and positioning screw hole two, location nut one (11) is combined in positioning screw hole one, and the head of location nut one (11) has convex
Column (12), when location nut one (11) screws in positioning screw hole one, which is caught in the annular groove (9)；Institute
It states and is combined with location nut two (13) in positioning screw hole two, the head of location nut two (13) is provided with spring needle (14), works as positioning
When nut two (13) is screwed in positioning screw hole two, which is caught in the tooth socket of the positioning tooth (10).
3. a kind of drawing compasses according to claim 2, which is characterized in that the section semicircular in shape of the annular groove (9),
The top of the pillar (12) is hemispherical.
4. a kind of drawing compasses according to claim 2, which is characterized in that the external cylindrical surface of the lead for retractable pencil straddle (6) is also
Annular knurl (15) are offered, when lead for retractable pencil straddle (6) are inserted into jack (8), which is in the jack (8) of pen rule (2) outside.
5. a kind of drawing compasses according to claim 1, which is characterized in that the bottom end of the lead for retractable pencil straddle (6) has core
Hole, lead for retractable pencil straddle (6) bottom end are arranged with union cap (UC) (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177029.5U CN209600127U (en) | 2019-01-31 | 2019-01-31 | A kind of drawing compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177029.5U CN209600127U (en) | 2019-01-31 | 2019-01-31 | A kind of drawing compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209600127U true CN209600127U (en) | 2019-11-08 |
Family
ID=68403154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177029.5U Expired - Fee Related CN209600127U (en) | 2019-01-31 | 2019-01-31 | A kind of drawing compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209600127U (en) |
-
2019
- 2019-01-31 CN CN201920177029.5U patent/CN209600127U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20210131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |