CN204495219U - A kind of vernier caliper being out of shape measuring jaw - Google Patents
A kind of vernier caliper being out of shape measuring jaw Download PDFInfo
- Publication number
- CN204495219U CN204495219U CN201520181675.0U CN201520181675U CN204495219U CN 204495219 U CN204495219 U CN 204495219U CN 201520181675 U CN201520181675 U CN 201520181675U CN 204495219 U CN204495219 U CN 204495219U
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- CN
- China
- Prior art keywords
- pawl head
- vernier caliper
- claw bar
- measuring jaw
- magnetic coupling
- 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
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 48
- 230000008878 coupling Effects 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 64
- 238000005259 measurement Methods 0.000 description 24
- 238000012360 testing method Methods 0.000 description 6
- 229910000677 High-carbon steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of vernier caliper being out of shape measuring jaw, comprise two secondary measuring jaws, described measuring jaw comprises claw bar and regular triangular prism shaped pawl head, a rectangular side wall center of described pawl head is connected by rotating shaft with the inwall center of claw bar, during check and correction vernier caliper zero-bit, to fit tightly as two ribs of triangular prism pawl head measuring cutting edge and without obvious gap, the zero-bit groove of vernier and main scale is aimed at mutually simultaneously, pawl head upper end is provided with breach, claw bar inwall upper end is provided with the magnetic coupling A with this breach complementation, pawl head rotates to parallel with claw bar, the breach of pawl head upper end and magnetic coupling A adhesive, magnetic coupling B is provided with in the middle part of the sidewall of claw bar, pawl head rotates to vertical with claw bar, pawl head rectangular side wall and magnetic coupling B adhesive.This vernier caliper can measure the diameter of the larger circle of diameter or right cylinder bottom surface, uses rear measuring jaw to can be changed into structure convenient for collecting and the protection cutting edge of traditional vernier caliper.
Description
Technical field
The utility model relates to a kind of survey instrument, specifically a kind of vernier caliper.
Background technology
Vernier caliper is a kind of measurer of precision measurement, is usually used in measuring diameter that is circular and right cylinder bottom surface.Need by the measurement cutting edge of measuring jaw clamping diameter of a circle position when measuring the diameter of circular or right cylinder bottom surface, the diameter of the circle that vernier caliper can be measured is subject to the restriction of its measuring jaw length, and traditional vernier caliper cannot measure the diameter of a circle that radius is greater than its measuring jaw length.Meanwhile, industrial have a lot of machine intimate part to take out, and the measuring jaw of vernier caliper does not reach part to be measured, and vernier caliper cannot be measured it because of measured object limited space.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of vernier caliper being out of shape measuring jaw; this vernier caliper can measure the comparatively large circle of (being greater than 2 times of measuring jaw length) of diameter or the diameter of right cylinder bottom surface; after using, measuring jaw can be changed into structure convenient for collecting and the protection cutting edge of traditional vernier caliper simultaneously.
In order to solve the problem, the utility model provides a kind of vernier caliper being out of shape measuring jaw, comprise blade, main scale, two secondary measuring jaw and pit gauges, two secondary measuring jaws are respectively inner side measuring jaw and outside measuring jaw, described measuring jaw comprises claw bar and regular triangular prism shaped pawl head, a rectangular side wall center of described pawl head is connected by rotating shaft with the inwall center of claw bar, during check and correction vernier caliper zero-bit, to fit tightly as two ribs of triangular prism pawl head measuring cutting edge and without obvious gap, the zero-bit groove of vernier and main scale is aimed at mutually simultaneously, pawl head upper end is provided with breach, claw bar inwall upper end is provided with the magnetic coupling A with this breach complementation, pawl head rotates to parallel with claw bar, the breach of pawl head upper end and magnetic coupling A adhesive, magnetic coupling B is provided with in the middle part of the sidewall of claw bar, pawl head rotates to vertical with claw bar, pawl head rectangular side wall and magnetic coupling B adhesive.
Further, described pawl head lower end is provided with stretching bar structure.
Further, described pawl head two ends are that the maximal tensility of stretching bar is equal.
Further, the scale on described main scale marks to blade right end always, when the pit gauge stretched out stretches out completely with pit gauge, with pit gauge and blade right end contact position for zero graduation, pit gauge marks scale from left to right on the right side of blade.
Further, the right-hand member of described blade is hinged with fixing sucking disk.
The beneficial effects of the utility model are:
(1) measuring jaw of the vernier caliper of the present utility model triangular prism shaped pawl head that comprises claw bar and be connected by rotating shaft with claw bar, pawl head can rotate around the shaft, a rib of triangular prism pawl head is as measurement cutting edge clamping object under test when measuring, and pawl head can be fixed into the two states parallel and vertical with claw bar with claw bar with magnetic link B by magnetic link A respectively.When claw bar is parallel with pawl head, measure cutting edge parallel with vernier caliper blade, its using method is identical with traditional vernier caliper; When claw bar is vertical with pawl head, measure cutting edge vertical with vernier calliper blade, this measurement cutting edge is adopted to measure diameter that is circular or cylindrical bottom, directly directly over circle or directly over cylindrical bottom, directly can clamp object under test, without the need to the restriction by measuring jaw length, can with the range of vernier caliper for the limit, measure larger-diameter circular object diameter or cylindrical basal diameter, during cylindrical basal diameter vertical with the sandwiched measurement of this measurement cutting edge, the scale of main scale is in perpendicular, and also convenient eyes look squarely reading.
(2) have to select in scheme stretching bar structure is set in the lower end of pawl head or two ends, when pawl head is fixedly the position parallel with claw bar by magnetic coupling A, the stretching bar pull-out that pawl head lower end is arranged, namely triangular prism pawl head is extended, the part of extending using two ribs of triangular prism pawl head is as measurement cutting edge, measurement can be clamped easily, machine intimate cannot take out, and the measuring jaw of vernier caliper does not reach accessory size, may be used for measuring radius simultaneously and be greater than commercial weight pawl length, tradition vernier caliper cannot the circle of sandwiched measurement, the diameter of cylindrical or spherical object, when claw bar is vertical with pawl head, the stretching bar at pawl head two ends is pulled out, namely triangular prism pawl head is extended, can according to measurement environment needs, the expansion link of stretching, as measurement cutting edge, is stretched into the parallel plane machine intimate of entrance and vernier caliper main scale place by the part selecting two ribs of the triangular prism pawl head of one end to extend, and clamping monitoring inside cannot be taken out, and the measuring claw of vernier caliper does not reach accessory size, be convenient for measuring and reading.
(3) in preferred version, scale on main scale is marked always to blade right end, when the pit gauge stretched out on the right side of blade stretches out completely with pit gauge, with pit gauge and blade right end contact position for zero graduation, pit gauge is stretched out completely and coordinates with main scale, can be used as common rule to measure length and be longer than the length of the object of main scale range, the maximum scale value equaling main scale for length that Measurement scales chi zero groove records with zero groove of main scale and the scale value corresponding to object edge on pit gauge with.
(4) in preferred version, fixing sucking disk is hinged with at the right-hand member of blade, fixing sucking disk can be adsorbed on metope near object under test or desktop, for vernier caliper right part provides a fulcrum that can rotate around it, can hold steadily vernier caliper in the hold steadily left part of vernier caliper of the hand-held control of operator, measurement easy to use.
(5) stretching bar can be packed up after using, rotate pawl head as the parallel position of claw bar, be fixed by magnetic coupling A, the chi pawl of this vernier caliper becomes the structure of traditional vernier caliper, can convenient for collecting, protects pawl head not fragile simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the first embodiment of the utility model;
Fig. 2 is the structural representation of the utility model the second embodiment;
Fig. 3 is the structural representation of the third embodiment of the utility model;
Fig. 4 is the A direction view of measuring jaw unstretched state in Fig. 3;
Fig. 5 is the A direction view of measuring jaw extended state in Fig. 3;
In figure: 1-claw bar, 2-pawl head, 3-magnetic coupling A, 4-magnetic coupling B, 5-stretching bar, 6-main scale, 7-pit gauge, 8-fixing sucking disk.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
Embodiment 1
As shown in Figure 1, a kind of vernier caliper being out of shape measuring jaw, comprise blade, main scale 5, two secondary measuring jaws and pit gauge 6, two secondary measuring jaws are respectively inner side measuring jaw and outside measuring jaw, described measuring jaw comprises claw bar 1 and regular triangular prism shaped pawl head 2, described pawl head 2 is high-carbon steel material, a rectangular side wall center of pawl head 2 is connected by rotating shaft with the inwall center of claw bar 1, pawl head 2 upper end is provided with breach, claw bar 1 inwall upper end is provided with the magnetic coupling A3 with this breach complementation, magnetic coupling B4 is provided with in the middle part of the sidewall of claw bar 1, pawl head 2 rotates to parallel with claw bar 1, the breach of pawl head 2 upper end and magnetic coupling A3 automatic pick.
The using method of the first embodiment of embodiment 1 is identical with traditional vernier caliper, pawl head 2 is fixedly the position parallel with claw bar 1 by magnetic coupling A3, during check and correction vernier caliper zero-bit, to fit tightly as two ribs of triangular prism pawl head 2 measuring cutting edge and without obvious gap, the zero-bit groove of vernier and main scale 6 is aimed at mutually simultaneously, makes pawl head 2 fit tightly readable as the rib and object under test measuring cutting edge during measurement.
Embodiment 2
As shown in Figure 2, a kind of vernier caliper being out of shape measuring jaw, comprise blade, main scale 5, two secondary measuring jaws and pit gauge 6, two secondary measuring jaws are respectively inner side measuring jaw and outside measuring jaw, described measuring jaw comprises claw bar 1 and regular triangular prism shaped pawl head 2, described pawl head 2 is high-carbon steel material, a rectangular side wall center of pawl head 2 is connected by rotating shaft with the inwall center of claw bar 1, pawl head 2 upper end is provided with breach, claw bar 1 inwall upper end is provided with the magnetic coupling A3 with this breach complementation, magnetic coupling B4 is provided with in the middle part of the sidewall of claw bar 1, pawl head 2 rotates to parallel with claw bar 1, the breach of pawl head 2 upper end and magnetic coupling A3 automatic pick, described pawl head 2 lower end is provided with stretching bar 5 structure.
In the second embodiment of embodiment 2, pawl head 2 is fixedly the position parallel with claw bar 1 by magnetic coupling A3, the stretching bar 5 that pawl head 2 lower end is arranged is pulled out, namely triangular prism pawl head 2 is extended, the part of extending using two ribs of triangular prism pawl head 2 is as measurement cutting edge, measurement can be clamped easily, machine intimate cannot take out, and the measuring jaw of vernier caliper does not reach accessory size, may be used for measuring radius simultaneously and be greater than commercial weight pawl length, traditional vernier caliper cannot the circle of sandwiched measurement, the diameter of cylindrical or spherical object.Stretching bar 5 can be packed up after using, the measuring jaw of this vernier caliper becomes structure in the same manner as in Example 1, can convenient for collecting, protects pawl head 2 not fragile simultaneously.
Embodiment 3
As shown in Fig. 3 to 5, a kind of vernier caliper being out of shape measuring jaw, comprise blade, main scale 5, two secondary measuring jaws and pit gauge 6, two secondary measuring jaws are respectively inner side measuring jaw and outside measuring jaw, described measuring jaw comprises claw bar 1 and regular triangular prism shaped pawl head 2, described pawl head 2 is high-carbon steel material, a rectangular side wall center of pawl head 2 is connected by rotating shaft with the inwall center of claw bar 1, pawl head 2 upper end is provided with breach, claw bar 1 inwall upper end is provided with the magnetic coupling A3 with this breach complementation, magnetic coupling B4 is provided with in the middle part of the sidewall of claw bar 1, pawl head 2 rotates to vertical with claw bar 1, pawl head 2 rectangular side wall and magnetic coupling B4 adhesive, described pawl head 2 two ends are provided with stretching bar 5 structure, the maximal tensility of the stretching bar 5 at pawl head 2 two ends is equal.
In addition, the scale on described main scale 6 marks to blade right end always, when the pit gauge 7 stretched out on the right side of blade stretches out completely with pit gauge, with pit gauge 7 with blade right end contact position for zero graduation, pit gauge marks scale from left to right; The right-hand member of described blade is hinged with fixing sucking disk 9.
In the third embodiment of embodiment 3, pawl head 2 is fixedly the position vertical with claw bar 1 by magnetic coupling B4, the state of measuring jaw as shown in Figure 4, two ribs now as the triangular prism pawl head 2 measuring cutting edge are vertical with the blade of vernier caliper, this measurement cutting edge is adopted to measure diameter that is circular or cylindrical bottom, directly directly over circle or directly over cylindrical bottom, directly can clamp object under test, without the need to the restriction by measuring jaw length, can with the range of vernier caliper for the limit, measure larger-diameter circular object diameter or cylindrical basal diameter, during cylindrical basal diameter vertical with the sandwiched measurement of this measurement cutting edge, the scale of main scale is in perpendicular, also convenient eyes look squarely reading.The stretching bar 5 at pawl head 2 two ends is pulled out, namely triangular prism pawl head 2 is extended (as shown in Figure 5), can according to measurement environment needs, the part selecting two ribs of the triangular prism pawl head 2 of one end to extend is as measurement cutting edge, the expansion link 5 of stretching is stretched into the parallel plane machine intimate of entrance and vernier caliper main scale place, clamping monitoring inside cannot be taken out, and the measuring claw of vernier caliper does not reach accessory size, is convenient for measuring and reading.Stretching bar 5 can be packed up after using, rotate pawl head 2 as the parallel position of claw bar, be fixed by magnetic coupling A3, the chi pawl of this vernier caliper becomes structure in the same manner as in Example 1, can convenient for collecting, protects pawl head not fragile simultaneously.
In addition, scale on main scale 6 is marked always to blade right end, when the pit gauge 7 stretched out on the right side of blade stretches out completely with pit gauge, with pit gauge 7 with blade right end contact position for zero graduation, pit gauge is stretched out completely and coordinates with main scale, can be used as common rule to measure length and be longer than the length of the object of main scale range, the maximum scale value equaling main scale for length that Measurement scales chi zero groove records with zero groove of main scale and the scale value corresponding to object edge on pit gauge with.Fixing sucking disk 9 is hinged with at the right-hand member of blade, fixing sucking disk 9 can be adsorbed on metope near object under test or desktop, for vernier caliper right part provides a fulcrum that can rotate around it, can hold steadily vernier caliper in the hold steadily left part of vernier caliper of the hand-held control of operator, measurement easy to use.
The above is preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (5)
1. one kind is out of shape the vernier caliper of measuring jaw, comprise blade, main scale (5), two secondary measuring jaws and pit gauge (6), two secondary measuring jaws are respectively inner side measuring jaw and outside measuring jaw, it is characterized in that, described measuring jaw comprises claw bar (1) and regular triangular prism shaped pawl head (2), a rectangular side wall center of described pawl head (2) is connected by rotating shaft with the inwall center of claw bar (1), pawl head (2) upper end is provided with breach, claw bar (1) inwall upper end is provided with the magnetic coupling A (3) with this breach complementation, pawl head (2) rotates to parallel with claw bar (1), the breach of pawl head (2) upper end and magnetic coupling A (3) adhesive, magnetic coupling B (4) is provided with in the middle part of the sidewall of claw bar (1), pawl head (2) rotates to vertical with claw bar (1), pawl head (2) rectangular side wall and magnetic coupling B (4) adhesive.
2. a kind of vernier caliper being out of shape measuring jaw as claimed in claim 1, is characterized in that, described pawl head (2) lower end is provided with stretching bar (5) structure.
3. a kind of vernier caliper being out of shape measuring jaw as claimed in claim 1, it is characterized in that, described pawl head (2) two ends are provided with stretching bar (5) structure, and the maximal tensility of the stretching bar (5) at pawl head (2) two ends is equal.
4. a kind of vernier caliper being out of shape measuring jaw as claimed in claim 1, it is characterized in that, scale on described main scale (6) marks to blade right end always, when the pit gauge (7) stretched out on the right side of blade stretches out completely with pit gauge, with pit gauge (7) and blade right end contact position for zero graduation, pit gauge marks scale from left to right.
5. a kind of vernier caliper being out of shape measuring jaw as claimed in claim 1, is characterized in that, the right-hand member of described blade is hinged with fixing sucking disk (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181675.0U CN204495219U (en) | 2015-03-27 | 2015-03-27 | A kind of vernier caliper being out of shape measuring jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181675.0U CN204495219U (en) | 2015-03-27 | 2015-03-27 | A kind of vernier caliper being out of shape measuring jaw |
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| Publication Number | Publication Date |
|---|---|
| CN204495219U true CN204495219U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520181675.0U Expired - Fee Related CN204495219U (en) | 2015-03-27 | 2015-03-27 | A kind of vernier caliper being out of shape measuring jaw |
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| CN (1) | CN204495219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953674A (en) * | 2016-07-18 | 2016-09-21 | 西南交通大学 | Multipurpose vernier caliper |
| CN116123957A (en) * | 2022-12-22 | 2023-05-16 | 镇江同舟螺旋桨有限公司 | Vernier caliper with diameter-variable inner hole and diameter-variable height |
-
2015
- 2015-03-27 CN CN201520181675.0U patent/CN204495219U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953674A (en) * | 2016-07-18 | 2016-09-21 | 西南交通大学 | Multipurpose vernier caliper |
| CN116123957A (en) * | 2022-12-22 | 2023-05-16 | 镇江同舟螺旋桨有限公司 | Vernier caliper with diameter-variable inner hole and diameter-variable height |
| CN116123957B (en) * | 2022-12-22 | 2024-10-18 | 镇江同舟螺旋桨有限公司 | Vernier caliper with diameter-variable inner hole and diameter-variable height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20170327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |