CN203092538U - Tool for drawing large circle - Google Patents
Tool for drawing large circle Download PDFInfo
- Publication number
- CN203092538U CN203092538U CN 201320060707 CN201320060707U CN203092538U CN 203092538 U CN203092538 U CN 203092538U CN 201320060707 CN201320060707 CN 201320060707 CN 201320060707 U CN201320060707 U CN 201320060707U CN 203092538 U CN203092538 U CN 203092538U
- Authority
- CN
- China
- Prior art keywords
- vertical rod
- plate
- length adjustment
- circle
- spring
- 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 - Lifetime
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a tool for drawing a large circle, and relates to a circle tool. A hand shank (1) is arranged at the upper end of an upright rod (2), and a positioning needle (14) is arranged at the lower end of the upright rod (2). A locking sleeve (15) is fixed on the lower portion of the upright rod through a locking nut (16), An adjusting rod base (13) on one side of the locking sleeve is connected with one end of a length adjusting rod (8) through a shaft (6) in a hinged mode, the lower end of a spring base (18) is fixed on an adjusting rod base of the locking sleeve through a pin shaft (17), the upper middle portion of the spring base is connected with a rotating block (19) through a rotating shaft (20), the upper end face of one end close to the length adjusting rod is connected with the lower end of an anti-loosening plate (3), a screw (4) penetrates through the anti-loosening plate and a spring (25) to be connected with a screw hole (23) formed in the rotating block, and a drawing needle (12) is arranged on the lower portion of a sliding block (10) sleeved on the length adjusting rod. The hand shank is used for pressing to enable the positioning needle to be in a circle center, the drawing needle corresponds to the circle, and a standard circle is drawn in a plane or a non-plane through the spring.
Description
[technical field]
The utility model relates to a kind of circle instrument, especially relates to the large-scale circle instrument of a kind of picture.
[background technology]
Known, on stone face or metallic plate, draw circle, small-sized used marking gauge is also referred to as to plan and realizes, but surpass 20 centimeters even during several meters circle, can only use the pilot pin in middle part, driving the peripheral portion marking-off pin by flexible cord rules, the accuracy of this mode is lower, the circular error of drawing is sometimes above several centimeters, so having found out, some workmans utilize the ruler a plurality of points " adopt segmentation connect draw a method " that draw, utilize line to connect then, the circle that draws so is not very round, and does not also have the line tool of large-scale circle on the market.
[utility model content]
In order to overcome the deficiency in the background technology, the utility model discloses the large-scale circle instrument of a kind of picture, when stone face or metallic plate upper drawing circle circle, utilize handle to push and make pilot pin be in circle center, the corresponding circle of scriber, by spring the scriber on the length adjustment bar is not separated with stone face or metallic plate, guaranteed the circle of standard that draws on plane or the on-plane surface.
For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme:
The large-scale circle instrument of a kind of picture, comprise vertical rod, handle, pilot pin, lock tube, regulate pole socket, spring base, the length adjustment bar, slide block, scriber, anti-lax plate, spring and screw, in vertical rod, following two ends are respectively equipped with handle, pilot pin, lock tube is fixed on the vertical rod bottom by locking nut, at the adjusting pole socket of lock tube one side by a be articulated and connected end of length adjustment bar of axle, the spring base lower end is fixed on the adjusting pole socket of lock tube by bearing pin, connect moving block by rotating shaft between the spring base top, the length adjustment bar connects the lower end of anti-lax plate near the upper side of an end, screw passes anti-lax plate, connect the screw on the moving block behind the spring, the slide block bottom that is enclosed within on the length adjustment bar is provided with scriber.
The large-scale circle instrument of described picture, described handle are arranged on the cross bar both sides of vertical rod upper end, form "T"-shaped structure by handle, cross bar and vertical rod.
The large-scale circle instrument of described picture, described spring base is made of the two boards body, two boards body bottom is respectively equipped with the pin shaft hole of mutual correspondence, bearing pin pass successively the two boards body wherein a plate body pin shaft hole, fix by nut after regulating the pin shaft hole of pole socket and another piece plate body.
The large-scale circle instrument of described picture is provided with gusset plate on junction one side angle of length adjustment bar and anti-lax plate.
The large-scale circle instrument of described picture, described length adjustment bar is provided with elongated slot, and set screw fixes slide block after passing slide block and described elongated slot.
The large-scale circle instrument of described picture is provided with column on the bottom surfaces of slide block, described scriber is fixed on column lower end.
The large-scale circle instrument of described picture is interval with a plurality of height adjustment holes in the vertical rod bottom, locking nut passes lock tube and connects arbitrary height adjustment hole.
Owing to adopt aforesaid technical scheme, the utlity model has following beneficial effect:
The large-scale circle instrument of picture described in the utility model, when on bigger stone face of area or metallic plate, drawing the standard circle, utilize the pilot pin of vertical rod lower end to be in required circle center, hand-held handle rotation, scriber just can mark required circle under workman's operation, uninterruptedly rule in order to guarantee scriber, under the effect of spring, make scriber not break away from stone face or metallic plate, the utlity model has expanding function, when stone face or metallic plate have depression or projection, the scriber circle of standard that draws on also can on-plane surface.
[description of drawings]
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a spring base structural representation of the present utility model;
Among the figure: 1, handle; 2, vertical rod; 3, anti-lax plate; 4, screw; 5, gusset plate; 6, axle; 7, set screw; 8, length adjustment bar; 9, elongated slot; 10, slide block; 11, column; 12, scriber; 13, regulate pole socket; 14, pilot pin; 15, lock tube; 16, locking nut; 17, bearing pin; 18, spring base; 19, moving block; 20, rotating shaft; 21, height adjustment hole; 22, cross bar; 23, screw; 24, pin shaft hole; 25, spring.
[specific embodiment]
Can explain the utility model in more detail by the following examples, open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope, and the utility model is not limited to the following examples;
The large-scale circle instrument of 1 or 2 described pictures in conjunction with the accompanying drawings, comprise vertical rod 2, handle 1, pilot pin 14, lock tube 15, regulate pole socket 13, spring base 18, length adjustment bar 8, slide block 10, scriber 12, anti-lax plate 3, spring 25 and screw 4, in vertical rod 2, following two ends are respectively equipped with handle 1, pilot pin 14, described handle 1 is arranged on cross bar 22 both sides of vertical rod 2 upper ends, by handle 1, cross bar 22 and vertical rod 2 form "T"-shaped structure, be interval with a plurality of height adjustment holes 21 in vertical rod 2 bottoms, locking nut 16 passes lock tube 15 and connects arbitrary height adjustment hole 21, at the adjusting pole socket 13 of lock tube 15 1 sides by a be articulated and connected end of length adjustment bar 8 of axle 6, spring base 18 lower ends are fixed on the adjusting pole socket 13 of lock tube 15 by bearing pin 17, described spring base 18 is made of the two boards body, two boards body bottom is respectively equipped with the pin shaft hole 24 of mutual correspondence, bearing pin 17 passes the wherein pin shaft hole 24 of a plate body of two boards body successively, regulating pin shaft hole 24 backs of pole socket 13 and another piece plate body is fixed by nut, connect moving block 19 by rotating shaft 20 between spring base 18 tops, length adjustment bar 8 connects the lower end of anti-lax plate 3 near the upper side of an end, on junction one side angle of length adjustment bar 8 and anti-lax plate 3, be provided with gusset plate 5, screw 4 passes anti-lax plate 3, spring 25 backs connect the screw 23 on the moving block 19, described length adjustment bar 8 is provided with elongated slot 9, set screw 7 makes slide block 10 fixing after passing slide block 10 and described elongated slot 9, be provided with column 11 on the bottom surfaces of slide block 10, described scriber 12 is fixed on column 11 lower ends.
Implement the large-scale circle instrument of picture described in the utility model, when on bigger stone face of area or metallic plate, drawing the standard circle, utilize the pilot pin 14 of vertical rod 2 lower ends to be in required circle center point, hand-held handle 1 rotation, scriber 12 just can mark required circle under workman's operation, uninterruptedly rule in order to guarantee scriber 12, and spring 25 utilizes regulates pole socket 13, spring base 18 as supporting, even vertical rod 2 is slightly tilted, also can make scriber 12 not break away from stone face or metallic plate; The utility model can be provided with sizing on length adjustment bar 8, also can pass through ruler adjusting slider 10 present position on length adjustment bar 8, if in spherical or pit, draw circle, reduce or heighten lock tube 15 height by locking nut 16, scriber 12 circle of standard that draws on also can on-plane surface; The utility model also be applicable to playground, highway etc. need picture help to effect a compromise use.
The utility model does not describe part in detail and is prior art.
Claims (7)
1. draw large-scale circle instrument for one kind, comprise vertical rod (2), handle (1), pilot pin (14), lock tube (15), regulate pole socket (13), spring base (18), length adjustment bar (8), slide block (10), scriber (12), anti-lax plate (3), spring (25) and screw (4), it is characterized in that: in vertical rod (2), following two ends are respectively equipped with handle (1), pilot pin (14), lock tube (15) is fixed on vertical rod (2) bottom by locking nut (16), at the adjusting pole socket (13) of lock tube (15) one sides by a be articulated and connected end of length adjustment bar (8) of axle (6), spring base (18) lower end is fixed on the adjusting pole socket (13) of lock tube (15) by bearing pin (17), connect moving block (19) by rotating shaft (20) between spring base (18) top, length adjustment bar (8) connects the lower end of anti-lax plate (3) near the upper side of an end, screw (4) passes anti-lax plate (3), spring (25) back connects the screw (23) on the moving block (19), and slide block (10) bottom that is enclosed within on the length adjustment bar (8) is provided with scriber (12).
2. the large-scale circle instrument of picture according to claim 1 is characterized in that: described handle (1) is arranged on cross bar (22) both sides of vertical rod (2) upper end, forms "T"-shaped structure by handle (1), cross bar (22) and vertical rod (2).
3. the large-scale circle instrument of picture according to claim 1, it is characterized in that: described spring base (18) is made of the two boards body, two boards body bottom is respectively equipped with the pin shaft hole (24) of mutual correspondence, and bearing pin (17) passes the two boards body successively and wherein fixed by nut pin shaft hole (24) back of the pin shaft hole of a plate body (24), adjusting pole socket (13) and another piece plate body.
4. the large-scale circle instrument of picture according to claim 1 is characterized in that: be provided with gusset plate (5) on junction one side angle of length adjustment bar (8) and anti-lax plate (3).
5. the large-scale circle instrument of picture according to claim 1 is characterized in that: described length adjustment bar (8) is provided with elongated slot (9), and set screw (7) makes slide block (10) fixing after passing slide block (10) and described elongated slot (9).
6. draw large-scale circle instrument according to claim 1 or 5, it is characterized in that: be provided with column (11) on the bottom surfaces of slide block (10), described scriber (12) is fixed on column (11) lower end.
7. the large-scale circle instrument of picture according to claim 1 is characterized in that: be interval with a plurality of height adjustment holes (21) in vertical rod (2) bottom, locking nut (16) passes lock tube (15) and connects arbitrary height adjustment hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060707 CN203092538U (en) | 2013-01-25 | 2013-01-25 | Tool for drawing large circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060707 CN203092538U (en) | 2013-01-25 | 2013-01-25 | Tool for drawing large circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092538U true CN203092538U (en) | 2013-07-31 |
Family
ID=48843978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320060707 Expired - Lifetime CN203092538U (en) | 2013-01-25 | 2013-01-25 | Tool for drawing large circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111995A (en) * | 2013-01-25 | 2013-05-22 | 李香秀 | Tool for drawing large-scale circle |
-
2013
- 2013-01-25 CN CN 201320060707 patent/CN203092538U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111995A (en) * | 2013-01-25 | 2013-05-22 | 李香秀 | Tool for drawing large-scale circle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |