CN204313788U - Bevel protractor - Google Patents
Bevel protractor Download PDFInfo
- Publication number
- CN204313788U CN204313788U CN201420816521.XU CN201420816521U CN204313788U CN 204313788 U CN204313788 U CN 204313788U CN 201420816521 U CN201420816521 U CN 201420816521U CN 204313788 U CN204313788 U CN 204313788U
- Authority
- CN
- China
- Prior art keywords
- operating parts
- main scale
- driving member
- bevel protractor
- parallel
- 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.)
- Active
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of bevel protractor, comprising: main scale and to form with first axle with main scale be the adjustable rule be rotationally connected of rotating shaft; Bevel protractor also comprises: can lock adjustable rule and main scale locking mechanism in relative rotation; Locking mechanism comprises: locking piece, can at least move along being parallel to first axle direction by relative motion chi; Operating parts, is rotatingly connected to adjustable rule; Driving member, at least can move along being parallel to first axle direction relative to operating parts; Operating parts comprises: drive division, can at least apply the driving force being parallel to first axle when operating parts rotates to driving member; Driving member comprises: forced section, when being subject to drive division and driving, driving member is moved along being parallel to first axle direction; Driving section, can make locking piece near main scale.Bevel protractor of the present utility model can lock adjustable rule and rotate relative to main scale.
Description
Technical field
The utility model relates to a kind of angle measurement unit, is specifically related to a kind of Digit Display Angle Ruler.
Background technology
In engineer operation process, when needs measurement one angle, usually bevel protractor can be used.Nowadays, along with the progress of science and technology, the digital display angle instrument of electronization instead of the protractor of traditional manual measurement gradually.Digital display angle instrument generally includes main scale and adjustable rule, and its position utilizing sensing adjustable rule to turn over relative to main scale is to detect angle to be measured.But, in measuring process, when the relative main scale of adjustable rule turns to predetermined angle, often adjustable rule being offset relative to main scale because being subject to external force, the accuracy of measurement of angle must be have impact on like this.And in a lot of application scenario, need the angle of measurement to report on suitable equipment to apply, for avoiding changing reporting angle in process, need to keep main scale and adjustable rule relative position not to change, so lock when reporting.
Summary of the invention
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of bevel protractor that can lock adjustable rule and rotate relative to main scale.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of bevel protractor, comprising: main scale and to form with main scale with first axle be the adjustable rule be rotationally connected of rotating shaft;
Bevel protractor also comprises: can lock adjustable rule and main scale locking mechanism in relative rotation;
Locking mechanism comprises:
Locking piece, can at least move along being parallel to first axle direction by relative motion chi;
Operating parts, can rotate by relative motion chi;
Driving member, at least can move along being parallel to first axle direction relative to operating parts;
Operating parts comprises:
Drive division, can at least apply to driving member the driving force being parallel to first axle when operating parts rotates;
Driving member comprises:
Forced section, makes driving member move along being parallel to first axle direction when being subject to drive division and driving;
Driving section, can make locking piece near main scale.
Further, the circumferential position of locking piece relative motion chi is fixed; And locking piece has and is moving to the latched position that contact with main scale and edge and be parallel to first axle direction along being parallel to first axle direction and move to unlocked position away from main scale.
Further, driving member is contained in operating parts at least partly, and to form between driving member with operating parts with first axle be being threaded of rotating shaft; Drive division and forced section are the screw thread cooperatively interacted.
Further, locking mechanism also comprises: the locating part that can limit the maximum rotation angle of operating parts, locating part is between driving member and adjustable rule.
Further, locating part is provided with stopper slot, and locking mechanism also comprises the spacer pin with operating parts synchronous axial system, and spacer pin embeds in stopper slot away from one end of operating parts; Locating part is also provided with along being parallel to first axle direction towards the pivot post protruded near operating parts, and be provided with the rotation axis that an energy rotates relative to pivot post between operating parts with pivot post, rotation axis is fixedly connected with operating parts.
Further, locking mechanism also comprises: locking piece can be made to move to return unit away from main scale along being parallel to first axle direction.
Further, locking piece is a stop pin, and stop pin is partially housed in adjustable rule, and stop pin is also included in the keyed end contacted with main scale when it is positioned at latched position.
Further, the face area of keyed end is less than the face area of stop pin away from the other end of keyed end; Or the face area of keyed end is less than the sections transverse of stop pin between keyed end and the other end in the area of section of axis.
Further, locking mechanism part also comprises return unit, and return unit is back-moving spring, and stop pin also comprises the stop end relative with keyed end, back-moving spring bias voltage be arranged at stop end and moving rotary is taken turns between adjustable rule.
Further, driven unit locking mechanism also comprises return unit, and return unit is a magnetic part that can produce magnetic force between itself and stop pin, and magnetic part is fixedly connected with driving driving member assembly, and between driven unit driving member and locking piece.
Usefulness of the present utility model is, be provided with locking mechanism in this bevel protractor, this locking mechanism can make the relative main scale of adjustable rule fix, thus bevel protractor can form one in moving process, still keep fixing angle, and this locking mechanism structure is simple, easy to operate.
Accompanying drawing explanation
Figure 1 shows that the structural representation of bevel protractor of the present utility model;
Figure 2 shows that the enlarged diagram of the part-structure in Fig. 1;
Figure 3 shows that the planimetric map of structure shown in Fig. 2;
Figure 4 shows that the sectional view of structure shown in Fig. 3 along B-B line direction;
Figure 5 shows that the explosive view of structure shown in Fig. 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
The utility model relates to a kind of bevel protractor, and the adjustable rule of this bevel protractor can main scale locking relatively.
Figure 1 shows that the structural representation of bevel protractor of the present utility model; Figure 2 shows that the enlarged diagram of the part-structure in Fig. 1; Figure 3 shows that the planimetric map of structure shown in Fig. 2.Please with reference to shown in Fig. 1 to Fig. 3, bevel protractor 100 of the present utility model comprises: main scale 10, adjustable rule 20 and locking mechanism 30, and wherein adjustable rule 20 can rotate relative to main scale 10, and forms a predetermined angle when rotating.
Main scale 10 is the one side for the formation of a predetermined angle, such as, can be the reference edge of predetermined angle, and corresponding adjustable rule 20 is for the formation of the active edges of predetermined angle.Concrete, the roughly rectangular structure of main scale 10, it has an inner side edge for the formation of reference edge, and one end of main scale 10 is also provided with the main swiveling wheel 11 be rotationally connected with adjustable rule 20.Bevel protractor 100 of the present utility model is preferably digital display angle instrument, corresponding, main scale 10 is also provided with the display screen 12 for showing angular dimension to be measured, and this display screen 12 can be LED display 12, also can be LCDs 12, this display screen 12 is preferably also provided with man-machine interaction interface.
Adjustable rule 20 comprises moving rotary wheel 21, by being rotationally connected between moving rotary wheel 21 and main swiveling wheel 11, what to make adjustable rule 20 and main scale 10 form with first axle A be rotating shaft is rotationally connected, and wherein, first axle A is perpendicular to the length direction of main scale 10 and adjustable rule 20.In order to direction illustrates the technical solution of the utility model, make especially giving a definition: definition is parallel to the direction of first axle A for axial, and the circumferencial direction perpendicular to first axle A is circumference.
Adjustable rule 20 is rectangular structure roughly also, adjustable rule 20 is when main scale 10 rotates, its inner side edge near main scale 10 is for the formation of active edges, and like this when carrying out measurement of angle, the predetermined angle formed between the inner side edge of main scale 10 and the inner side edge of adjustable rule 20 is treats measuring angle.Preferably; the generally u-shaped structure in inside of adjustable rule 20; main scale 10 can be made like this to be contained in adjustable rule 20 from the opening of this U-shaped structure; thus the effect of protection main scale 10 can be played; now in order to the display data on display screen 12 can be observed, adjustable rule 20 is also provided with the visual windows 22 that display screen 12 can be made to expose.
Preferably, the main swiveling wheel 11 in main scale 10 and the moving rotary in adjustable rule 20 are also provided with a turning axle 13 between taking turns 21, and this turning axle 13 comprises: the first guide part 131 and the second guide part 132.Wherein the first guide part 131 takes turns 21 along first axle A direction through main swiveling wheel 11 and moving rotary, moving rotary wheel 21 rotates relative to main swiveling wheel 11 for rotating shaft with this first guide part 131, thus avoids moving relative to main swiveling wheel 11 in the plane perpendicular to first axle A direction; Second guide part 132 extends from the edge of the end of the first guide part 131, second guide part 132 is circular ring structure, second guide part 132 is also vertical with the first guide part 131, and the second guide part 132 can avoid moving rotary wheel 21 relatively main swiveling wheels 11 moving up along the side of first axle A.
Preferably, in order to realize the multifunctionality of bevel protractor 100 of the present utility model, also on main scale 10, be provided with horizontal indicating device (not shown), this horizontal indicating device can be such as bubble.
Figure 4 shows that the sectional view of structure shown in Fig. 3 along B-B line direction; Figure 5 shows that the explosive view of structure shown in Fig. 3.Please with reference to Fig. 4 and Fig. 5, locking mechanism 30 relatively rotates with main scale 10 for locking adjustable rule 20, and it comprises: locking piece 31, operating parts 32, driving member 33, locating part 34 and return unit 35.
Locking piece 31 can move along being parallel to first axle A direction by relative motion chi 20, and relative motion chi 20 is fixed in the circumference perpendicular to first axle A, and locking piece 31 has and is moving to the latched position that contact with main scale 10 and edge and be parallel to first axle A direction along being parallel to first axle A direction and move to unlocked position away from main scale 10.Concrete, locking piece 31 is a stop pin, and stop pin comprises: keyed end 311 and stop end 312.Locking piece 31 is partially received in the edge be provided with in the moving rotary wheel 21 of adjustable rule 20 and is parallel to (figure does not mark) in the accepting hole of first axle A direction extension.When locking piece 31 is positioned at latched position, keyed end 311 contacts with the main swiveling wheel 11 of main scale 10, stop end 312 can the moving rotary wheel of backstop adjustable rule 20 21 to move towards the direction away from main swiveling wheel 11, thus under friction force between keyed end 311 and main swiveling wheel 11 and stop end 312 and moving rotary are taken turns between 21 elastic force effect, moving rotary can be made to take turns 21 relatively main swiveling wheel 11 circumferences fix, thus lock relatively rotating of the relative main scale 10 of adjustable rule 20.When locking piece 31 is positioned at unlocked position, depart between keyed end 311 and main swiveling wheel 11, stop end 312 and moving rotary take turns 21 between elastic force reduce, now moving rotary wheel 21 can rotate relative to main swiveling wheel 11, thus adjustable rule 20 can rotate relative to main scale 10.
Preferably, the face area of keyed end 311 is also less than the face area of stop pin away from the other end (stop end 312) of keyed end 311, further, the face area of keyed end 311 is also less than the area of section perpendicular to axial direction being positioned at the part between keyed end 311 and the other end (stop end 312) of stop pin, like this, the contact area of keyed end 311 and main scale 10 can be reduced, increasing friction force.Concrete, keyed end 311 is also formed with the groove 311a caved in along the other end and the stop end 312 towards keyed end 311.Like this, when keyed end 311 contacts main swiveling wheel 11, this groove 311a makes the end of keyed end 311 form the lock face 311b of the surface contact of roughly ringwise and main swiveling wheel 11.Certainly, understandable, keyed end 311 also can for the pointed structures etc. reamed at its edge.
Operating parts 32 is for for user operation, and this operating parts 32 can the moving rotary wheel 21 of relative motion chi 20 rotate.Operating parts 32 comprises: drive division 321, and drive division 321 can apply to driving member 33 driving force that is parallel to first axle A when operating parts 32 rotates.
Driving member 33 can move along being parallel to first axle A direction relative to operating parts 32.Driving member 33 comprises: forced section 331 and driving section 332, forced section 331 can make driving member 33 move along the direction being parallel to first axle A when being subject to the driving of drive division 321, driving section 332 is also moved towards near main scale 10 towards driving locking piece 31 when moving near main scale 10 along first axle A at driving member 33.
Preferably, driving member 33 is partially housed in operating parts 32, and to form with first axle A between driving member 33 with operating parts 32 be rotating shaft is threaded; Drive division 321 and the screw thread of forced section 331 for cooperatively interacting, concrete, drive division 321 is the external thread arranged in operating parts 32, and forced section 331 is the internal thread coordinated with external thread of driving member 33 arranged outside.Make driving member 33 can produce relative movement in first axle A direction when rotating relative to operating parts 32 by internal thread and externally threaded cooperation simultaneously.
Locating part 34 can limit the maximum rotation angle of driving member 33, and it is between driving member 33 and the moving rotary wheel 21 of adjustable rule 20.Further, locating part 34 is positioned at the side of the second guide part 132 of turning axle 13, and is fixedly connected with the second guide part 132.Locating part 34 is provided with stopper slot 341, this stopper slot 341 extends along the circumference perpendicular to first axle A direction, corresponding, locking mechanism 30 also comprises the spacer pin 36 with operating parts 32 synchronous axial system, this spacer pin 36 can be integrally formed also can separate with operating parts 32 and be formed, spacer pin 36 extend in stopper slot 341 away from one end of operating parts 32, like this when operating parts 32 relatively rotates, under the mating reaction of spacer pin 36 and stopper slot 341, it relative limit part 34 angle of rotating can be subject to the restriction of the circumferential lengths of stopper slot 341, thus avoid operating parts 32 maximum rotation angle spend large and cause locking piece 31 stressed excessive and fracture or wearing and tearing.
Preferably, locating part 34 is also provided with pivot post 342, pivot post 342 is protruded along the direction being parallel to first axle A towards near operating parts 32 on locating part 34.Be provided with a rotation axis 36 between operating parts 32 and pivot post 342, this rotation axis 36 can rotate relative to pivot post 342 circumference, and rotation axis 36 is also fixedly connected with operating parts 32, and like this, operating parts 32 can relative limit part 34 circumference rotate.
Return unit 35 can make locking piece 31 move to the unlocked position away from main scale 10 along the direction being parallel to first axle A.Concrete, this return unit 35 is back-moving spring, between the stop end 312 being arranged at locking piece 31 of back-moving spring bias voltage and moving rotary wheel 21, like this, when operating parts 32 rotation makes driving member 33 move towards the direction away from main scale 10, locking piece 31 can automatically reset to unlocked position under the effect of back-moving spring.Certainly, understandable, this return unit 35 also can for producing the magnetic part of magnetic force between itself and locking piece 31, magnetic part is fixedly connected with driving member 33, and between driving member 33 and locking piece 31, like this, when driving member 33 moves towards the direction away from main scale 10 with moving magnet, under the effect of magnetic force, locking piece 31 also can automatically reset to the unlocked position away from main scale 10.
Locking mechanism 30 in bevel protractor 100 of the present utility model is by rotary operating member 32, inner driving member 33 is made to drive locking piece 31 to contact with main swiveling wheel 11, thus locking adjustable rule 20 rotating relative to main scale 10, its structure is simple, easy to operate, and locking is firmly, structural strength is high, make bevel protractor 100 can be locked to a predetermined angle by this locking mechanism 30, thus bevel protractor 100 can form one in moving process, still keep fixing predetermined angle.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.
Claims (10)
1. a bevel protractor, comprising: main scale and to form with described main scale with first axle be the adjustable rule be rotationally connected of rotating shaft;
It is characterized in that,
Described bevel protractor also comprises: can lock described adjustable rule and described main scale locking mechanism in relative rotation;
Described locking mechanism comprises:
Locking piece, at least can move along being parallel to described first axle direction relative to described adjustable rule;
Operating parts, can rotate relative to described adjustable rule;
Driving member, at least can move along being parallel to described first axle direction relative to described operating parts;
Described operating parts comprises:
Drive division, can at least apply to described driving member the driving force being parallel to described first axle when described operating parts rotates;
Described driving member comprises:
Forced section, makes described driving member move along being parallel to described first axle direction when being subject to described drive division and driving;
Driving section, can make described locking piece near described main scale.
2. bevel protractor according to claim 1, is characterized in that, the circumferential position of the relatively described adjustable rule of described locking piece is fixed; And described locking piece has and is moving to the latched position that contacts with described main scale along being parallel to described first axle direction and moving to unlocked position away from described main scale along being parallel to described first axle direction.
3. bevel protractor according to claim 2, is characterized in that, described driving member is contained in described operating parts at least partly, and to form with described first axle between described driving member with described operating parts be rotating shaft is threaded; Described drive division and described forced section are the screw thread cooperatively interacted.
4. bevel protractor according to claim 3, is characterized in that, described locking mechanism also comprises: the locating part that can limit the maximum rotation angle of described operating parts, described locating part is between described driving member and described adjustable rule.
5. bevel protractor according to claim 4, is characterized in that, described locating part is provided with stopper slot, and described locking mechanism also comprises the spacer pin with described operating parts synchronous axial system, and described spacer pin embeds in described stopper slot away from one end of described operating parts; Described locating part is also provided with along being parallel to described first axle direction towards the pivot post protruded near described operating parts, be provided with the rotation axis that an energy rotates relative to described pivot post between described operating parts with described pivot post, described rotation axis is fixedly connected with described operating parts.
6. the bevel protractor according to claim 1 to 5 any one, is characterized in that, described locking mechanism also comprises: described locking piece can be made to move to return unit away from described main scale along being parallel to described first axle direction.
7. bevel protractor according to claim 2, is characterized in that, described locking piece is a stop pin, and described stop pin is partially housed in described adjustable rule, and described stop pin is also included in the keyed end contacted with described main scale when it is positioned at described latched position.
8. bevel protractor according to claim 7, is characterized in that, the face area of described keyed end is less than the face area of described stop pin away from the other end of described keyed end; Or the face area of described keyed end is less than the sections transverse of described stop pin between described keyed end and the other end in the area of section of axis.
9. bevel protractor according to claim 7, it is characterized in that, described locking mechanism part also comprises return unit, described return unit is back-moving spring, described stop pin also comprises the stop end relative with described keyed end, described back-moving spring bias voltage be arranged at described stop end and described moving rotary is taken turns between adjustable rule.
10. bevel protractor according to claim 7, it is characterized in that, described driven unit locking mechanism also comprises return unit, described return unit is a magnetic part that can produce magnetic force between itself and described stop pin, described magnetic part is fixedly connected with described driving driving member assembly, and between described driven unit driving member and described locking piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420816521.XU CN204313788U (en) | 2014-12-19 | 2014-12-19 | Bevel protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420816521.XU CN204313788U (en) | 2014-12-19 | 2014-12-19 | Bevel protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204313788U true CN204313788U (en) | 2015-05-06 |
Family
ID=53136096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420816521.XU Active CN204313788U (en) | 2014-12-19 | 2014-12-19 | Bevel protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204313788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709484A (en) * | 2018-08-13 | 2018-10-26 | 杰瑞石油天然气工程有限公司 | A kind of indexing round type bevel protractor device |
-
2014
- 2014-12-19 CN CN201420816521.XU patent/CN204313788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709484A (en) * | 2018-08-13 | 2018-10-26 | 杰瑞石油天然气工程有限公司 | A kind of indexing round type bevel protractor device |
| CN108709484B (en) * | 2018-08-13 | 2024-05-07 | 杰瑞石油天然气工程有限公司 | Reference circle type angle ruler device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202692986U (en) | Laser compass | |
| CN204128480U (en) | A kind of aircraft horizontal tail angular displacement sensor detecting device | |
| CN204313788U (en) | Bevel protractor | |
| CN205561823U (en) | Laser range finder | |
| CN204388738U (en) | Bevel protractor | |
| CN205607314U (en) | Transmission shaft assembly declination inspection device | |
| CN103727924B (en) | A kind of horizon rule | |
| CN204495260U (en) | Divide-shut brake axle angle detection device | |
| CN102967247B (en) | Device and method for verifying verticality and parallelism of ball valve rod | |
| CN204142151U (en) | A kind of motor installation dimension survey instrument | |
| CN103644824B (en) | Test device capable of accurately measuring spraying head rotation angle | |
| CN202008337U (en) | Spatial distance meter | |
| CN102689283B (en) | Rotation method wrench | |
| CN205260492U (en) | Hydro -cylinder displacement detection device and changer | |
| EP2837520A3 (en) | Vehicle instrument panel with magnet equipped pointer | |
| CN201000316Y (en) | High precision direction gauge | |
| CN203848777U (en) | Calibration device | |
| CN204142160U (en) | Wind deflector motion angle measuring tool | |
| CN203479238U (en) | Perpendicularity testing tool for rocker arm threaded hole | |
| CN103615954A (en) | Electric line pit measuring instrument | |
| CN202661413U (en) | Special orientation device for sapphire crystal | |
| KR101213191B1 (en) | Device for measuring angle in supersonic flow | |
| CN204882598U (en) | Device of flyer speed is measured with law of conservation of angular mo mentum | |
| CN203351562U (en) | Thickness measuring device | |
| CN204388934U (en) | The anti-reverse central gear of diaphragm gas meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |