CN206223030U - Leading screw central diameter calliper - Google Patents
Leading screw central diameter calliper Download PDFInfo
- Publication number
- CN206223030U CN206223030U CN201621109916.1U CN201621109916U CN206223030U CN 206223030 U CN206223030 U CN 206223030U CN 201621109916 U CN201621109916 U CN 201621109916U CN 206223030 U CN206223030 U CN 206223030U
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- China
- Prior art keywords
- gauge head
- leading screw
- section
- central diameter
- rule frame
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of leading screw central diameter calliper, including rule frame, the upper gauge head being installed on the rule frame, lower gauge head and side gauge head, the upper gauge head is connected with dial gauge and the rule frame and is provided with lifting device, the upper gauge head can be moved up and down under the drive of the lifting device along the rule frame, and the upper gauge head can drive the indicators turn of the dial gauge when moving up and down.The utility model leading screw central diameter calliper can realize the quick measurement to leading screw or the pitch diameter of thread.
Description
Technical field
The utility model is related to a kind of survey tool, more particularly to a kind of leading screw central diameter calliper.
Background technology
Current leading screw central diameter measurement generally uses three-needle measuring method or universal tool-measuring microscope mensuration, above two
Measuring method haves the shortcomings that measuring speed is slow and is not easy to on-line measurement.
Utility model content
The purpose of this utility model is to provide a kind of leading screw central diameter calliper, to solve the problems, such as above-mentioned prior art,
Realize the quick measurement to leading screw or the pitch diameter of thread.
To achieve the above object, the utility model provides following scheme：A kind of leading screw central diameter calliper, including rule frame, peace
Loaded on the upper gauge head on the rule frame, lower gauge head and side gauge head, the upper gauge head is connected with dial gauge and the upper gauge head can
Moved up and down along the rule frame, the upper gauge head drives the indicators turn of the dial gauge when moving up and down.
The utility model leading screw central diameter calliper, wherein, lifting device is provided with the rule frame, the upper gauge head is described
Frame is advised described in the drive lower edge of lifting device to move up and down.
The utility model leading screw central diameter calliper, wherein, it is provided with vertical mounting hole on the rule frame and is transversely mounted hole, it is described
Vertical mounting hole top inner wall is provided with radial protrusion, and movable measuring head base is provided with the vertical mounting hole, and the activity is surveyed
Headstock includes guide section and return section, and axial V-shaped groove is provided with the guide section, and described being transversely mounted in hole is provided with guiding spiral shell
Nail, the cone of the guider screw front end is located in the axial V-shaped groove, and the return section bottom is provided with radial convex loop, institute
State and return spring is cased with return section, the return spring top is resisted against on the radial protrusion, bottom is resisted against the footpath
To on bulge loop, the guide section base section is located at outside the vertical mounting hole, and the upper gauge head is arranged on the guide section bottom
End, the part that the guide section is located at outside the vertical mounting hole is provided with gauge head locking nut.
The utility model leading screw central diameter calliper, wherein, the rule frame top sets lock sleeve, is provided with the lock sleeve
Vertical through holes, the vertical through holes are coaxial with the vertical mounting hole, and the return section top section is located at the vertical through holes
Interior, the radial protrusion is the little axle sleeve for being fixed on the lock sleeve inwall, and spiral shell is passed through between the lock sleeve and the rule frame
Nail is connected.
The utility model leading screw central diameter calliper, wherein, locking set upper side outer wall sets locking nut.
The utility model leading screw central diameter calliper, wherein, on the movable measuring head base between the guide section and return section
It is raising section, the external diameter of the raising section is less than the guide section and the external diameter of return section, and the lifting device is shift fork, described
Shift fork middle part is movably connected on the rule frame, and the shift fork front end is provided with slotted eye, and the shift fork is enclosed within described carrying by slotted eye
Rise in section.
The utility model leading screw central diameter calliper, wherein, the shift fork middle part is provided with and steel is set in mounting hole, the mounting hole
Be movably connected on the shift fork on the rule frame through the steel bushing by set, screw, between being between the shift fork and the steel bushing
Gap coordinates.
The utility model leading screw central diameter calliper, wherein, the lower gauge head is identical with side measuring head structure, wherein, the lower survey
Head bottom thread is connected on the rule frame, and the part that the lower gauge head is located at outside the rule frame is provided with gauge head locking screw
It is female.
The utility model leading screw central diameter calliper, wherein, the rule frame side has been connected by screw heat insulation handle.
The utility model achieves following technique effect relative to prior art：Due to the utility model leading screw central diameter calliper
Including rule frame, the upper gauge head being installed on rule frame, lower gauge head and side gauge head, upper gauge head can advise frame in the drive lower edge of lifting device
Move up and down, and upper gauge head can drive the indicators turn of dial gauge when moving up and down, therefore during measurement leading screw or the pitch diameter of thread,
Leading screw or screw thread need to be only positioned between upper gauge head, lower gauge head and side gauge head and position above-mentioned each gauge head, you can from instruction
Reading is read on table, measurement process is simple, and can on-line measurement.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the main structure diagram of the utility model leading screw central diameter calliper；
Fig. 2 is the side structure schematic view of the utility model leading screw central diameter calliper；
Fig. 3 is the A-A of Fig. 1 to sectional view；
Fig. 4 is the main view partial sectional view of the utility model leading screw central diameter calliper.
Description of reference numerals：Rule frame 11, upper gauge head 12, lower gauge head 13, side gauge head 14, dial gauge 15, movable gauge head
Seat 16, guider screw 17, return spring 18, shift fork 19, vertical mounting hole 111, it is transversely mounted hole 112, guide section
161st, return section 162, axial V-shaped groove 163, radial convex loop 160, gauge head locking nut 21,24, it is lock sleeve 22, vertical logical
Hole 221, little axle sleeve 23, heat insulation handle 25, locking nut 26, leading screw 27, steel bushing 191, screw 192.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body implementation method is described in further detail to the utility model.
The utility model provides a kind of leading screw central diameter calliper, as shown in Figure 1, 2, including advises frame 11, is installed on rule frame 11
Upper gauge head 12, lower gauge head 13 and side gauge head 14, upper gauge head 12 is connected with dial gauge 15 and advises and lifting dress is provided with frame 11
Put, upper gauge head 12 can be moved up and down under the drive of lifting device along rule frame 11, and upper gauge head 12 can be driven when moving up and down
The indicators turn of dial gauge 15, dial gauge 15 can select amesdial, dial gauge or electron number by the technical requirements of measurand
Aobvious dial gauge.
As shown in figure 4, be provided with vertical mounting hole 111 on rule frame 11 and be transversely mounted hole 112, the top of vertical mounting hole 111
Inwall is provided with and movable measuring head base 16 is provided with radial protrusion, vertical mounting hole 111, and movable measuring head base 16 includes guide section
161 and return section 162, axial V-shaped groove 163 is provided with guide section 161, it is transversely mounted in hole 112 and is provided with guider screw 17, lead
It is located in axial V-shaped groove 163 to the cone of the front end of screw 17, under the mating reaction of guider screw 17 and axial V-shaped groove 163,
Movable measuring head base 16 is moved up and down, be unable to rotary motion, 162 bottoms of return section are provided with radial convex loop 160, return section
Return spring 18 is cased with 162, the top of return spring 18 is resisted against on radial protrusion, bottom is resisted against on radial convex loop 160, is led
It is located at outside vertical mounting hole 111 to the base section of section 161, upper gauge head 12 is arranged on the bottom of guide section 161, guide section 161
Part outside vertical mounting hole 111 is provided with gauge head locking nut 21, can be by upper gauge head 12 by gauge head locking nut 21
Position is fixed.
As shown in figure 4, the top of rule frame 11 sets lock sleeve 22, vertical through holes 221, vertical through holes are provided with lock sleeve 22
221 is coaxial with above-mentioned vertical mounting hole 111, and the connecting rod 151 of return 162 tops of section and the bottom of dial gauge 15 is respectively positioned on vertical leading to
In hole 221, and the top of return section 162 is resisted against in connecting rod 151, and above-mentioned radial protrusion is to be fixed on the inwall of lock sleeve 22
Little axle sleeve 23, be connected by multiple screws between lock sleeve 22 and rule frame 11, the upper end outer wall setting locking screw of lock sleeve 22
Female 26 are used to install dial gauge 15.
As shown in figure 4, between guide section 161 and return section 162 being raising section 164, raising section on movable measuring head base 16
164 external diameter less than guide section 161 and return section 162 external diameter, rule frame 11 on return section 162 corresponding positions be provided with it is logical
Hole 113, lifting device is shift fork 19, as shown in figure 3, the middle part of shift fork 19 is provided with and steel bushing 191, spiral shell are set in mounting hole, mounting hole
Be connected to shift fork 19 on rule frame 11 through steel bushing 191 by nail 192, for gap coordinates between shift fork 19 and steel bushing 191, makes shift fork 19
It is movably connected on the rule front side wall of frame 11, the front end of shift fork 19 is provided with connection slotted eye, and shift fork 19 is by link slot borehole jack in raising section
On 164, when pressing the shank of the rear end of shift fork 19, the front end of shift fork 19 tilts the upward sliding of drive activity measuring head base 16, so as to drive
Moved on upper gauge head 12.
As shown in figure 1, lower gauge head 13 is identical with the structure of side gauge head 14, wherein, the lower bottom thread of gauge head 13 is connected to rule frame
On 11, and the part that lower gauge head 13 is located at outside rule frame 11 is provided with gauge head locking nut 24, and lower gauge head 13, side gauge head 14 can roots
According to needing adjustment position, replacing, adjustment, replacing gauge head locking nut to be locked after finishing, then descend gauge head 13, the position of side gauge head 14
Fixed, rule frame 11 side has been connected by screw heat insulation handle 25, because upper gauge head 12, lower gauge head 13 and side gauge head 14 are adjustable
Whole and replacing, therefore a leading screw central diameter calliper can be used for the leading screw of measurement different size or the central diameter of screw thread.
The utility model leading screw central diameter calliper is using preceding, and central diameter nominal dimension and the pitch selection according to tested leading screw are suitable
Central diameter caliper specifications, by tested central diameter size commonly use specification have 4 kinds, respectively φ 5-20mm, φ 20-40mm, φ 40-
60mm and φ 60-80mm, select a set of test probe replaceable, test probe replaceable to be furnished with what is commonly used with calliper by the thread form size for being tested leading screw
The some sets of dimensions are selective to be used, and identical 3 test probe replaceables of size are a set of.Conventional trapezoidal thread form leading screw is used can
Change the steel ball size=0.5 pitch/cos (angle of thread/2) of gauge head；The test probe replaceable steel ball size of ball-screw is exactly correspondence
Work ball size.
When using, if relative measurement, the right hand grips the heat insulation handle of leading screw central diameter calliper, blocks (pushing away) as shown in Figure 1
Enter the thread form groove of leading screw 27 to rotate a circle, the oscillating quantity of indicator gage finger is exactly the approximate circularity of leading screw, exact value=oscillating quantity
Cos α, tg α=0.5 pitch/nominal central diameter value.In leading screw axial direction, diverse location is snapped in and can just measure a cone for leading screw central diameter
Degree or cylindricity etc..
Design 3 facilitates the measurement contact point of percentage regulation on rule frame during measurement, and one of them is activity measurement point, with
The reading measurement point of dial gauge contact, another two contact points are the adjustable fixed contact point being directly installed on rule frame, Gu
The position for determining contact point adjusts determination by different measurands.When using, central diameter and pitch according to tested leading screw choose conjunction
3 test probe replaceables are respectively charged into calliper and movable gauge head by the calliper and 3 a set of test probe replaceables of suitable specification by diagram
Seat, should not first tighten gauge head locking nut, and the fitting depth of upper and lower test probe replaceable is adjusted first makes side gauge head substantially in leading screw
The horizontal pole axis position in section, and indicator gage finger is turned clockwise certain scale；Then the installation of side gauge head is adjusted
Depth makes upper and lower gauge head be operated in the vertical pole axis position in leading screw section, that is, the corner position that dial gauge turns clockwise,
Then 3 gauge head locking nuts are tightened respectively to be operated with regard to measurable.The right hand grips the heat insulation handle of leading screw central diameter calliper, by figure
Card (pushing away) shown in 1 enter after leading screw thread form groove can dial gauge reading, realize online convenient various thread form leading screws or the screw thread of measuring
Central diameter size.
Apply specific case in the utility model to be set forth principle of the present utility model and implementation method, the above
The explanation of embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to limitation of the present utility model.
Claims (9)
1. a kind of leading screw central diameter calliper, it is characterised in that：Including rule frame (11), the upper gauge head being installed on rule frame (11)
(12), lower gauge head (13) and side gauge head (14), the upper gauge head (12) are connected with dial gauge (15) and the upper gauge head (12)
Can be moved up and down along rule frame (11), the upper gauge head (12) drives the pointer of the dial gauge (15) to turn when moving up and down
It is dynamic.
2. leading screw central diameter calliper according to claim 1, it is characterised in that：Lifting dress is provided with rule frame (11)
Put, frame (11) is advised described in drive lower edge of the upper gauge head (12) in the lifting device and is moved up and down.
3. leading screw central diameter calliper according to claim 2, it is characterised in that：Vertical mounting hole is provided with rule frame (11)
(111) and hole (112) is transversely mounted, vertical mounting hole (111) top inner wall is provided with radial protrusion, the vertical installation
Movable measuring head base (16) is provided with hole (111), the movable measuring head base (16) includes guide section (161) and return section (162),
Axial V-shaped groove (163) is provided with the guide section (161), described being transversely mounted in hole (112) is provided with guider screw (17),
The cone of guider screw (17) front end is located in the axial V-shaped groove (163), and described return section (162) bottom is provided with
Radial convex loop (160), is cased with return spring (18) on return section (162), return spring (18) top is resisted against institute
State on radial protrusion, bottom is resisted against on the radial convex loop (160), guide section (161) base section is located at described perpendicular
To mounting hole (111) outward, the upper gauge head (12) installed in the guide section (161) bottom, the guide section (161) is located at
The vertical mounting hole (111) part outward is provided with gauge head locking nut (21).
4. leading screw central diameter calliper according to claim 3, it is characterised in that：Rule frame (11) top sets lock sleeve
(22) vertical through holes (221), the vertical through holes (221) and the vertical mounting hole, are provided with the lock sleeve (22)
(111) coaxial, described return section (162) top section is located in the vertical through holes (221), and the radial protrusion is to be fixed on
The little axle sleeve (23) of lock sleeve (22) inwall, is connected between the lock sleeve (22) and rule frame (11) by screw
Connect.
5. leading screw central diameter calliper according to claim 4, it is characterised in that：Lock sleeve (22) upper end outer wall sets lock
Tight nut (26).
6. leading screw central diameter calliper according to claim 3, it is characterised in that：Led described on the movable measuring head base (16)
To being raising section (164) between section (161) and return section (162), the external diameter of the raising section (164) is less than the guide section
(161) and return section (162) external diameter, the lifting device is shift fork (19), and the shift fork (19) middle part is movably connected on institute
State on rule frame (11), shift fork (19) front end is provided with slotted eye, and the shift fork (19) is enclosed within the raising section (164) by slotted eye
On.
7. leading screw central diameter calliper according to claim 6, it is characterised in that：Shift fork (19) middle part is provided with mounting hole,
Steel bushing (191) is set in the mounting hole, and be movably connected on for the shift fork (19) through the steel bushing (191) by screw (192)
On rule frame (11), for gap coordinates between the shift fork (19) and the steel bushing (191).
8. leading screw central diameter calliper according to claim 1, it is characterised in that：The lower gauge head (13) is tied with side gauge head (14)
Structure is identical, wherein, lower gauge head (13) bottom thread is connected on rule frame (11), and the lower gauge head (13) is located at
Rule frame (11) part outward is provided with gauge head locking nut (24).
9. leading screw central diameter calliper according to claim 1, it is characterised in that：Described rule frame (11) side is connected by screw
There is heat insulation handle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621109916.1U CN206223030U (en) | 2016-10-10 | 2016-10-10 | Leading screw central diameter calliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621109916.1U CN206223030U (en) | 2016-10-10 | 2016-10-10 | Leading screw central diameter calliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223030U true CN206223030U (en) | 2017-06-06 |
Family
ID=58783321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621109916.1U Active CN206223030U (en) | 2016-10-10 | 2016-10-10 | Leading screw central diameter calliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470105A (en) * | 2018-12-18 | 2019-03-15 | 唐大春 | Axis class dimensional measurement reading calliper |
-
2016
- 2016-10-10 CN CN201621109916.1U patent/CN206223030U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470105A (en) * | 2018-12-18 | 2019-03-15 | 唐大春 | Axis class dimensional measurement reading calliper |
| CN109470105B (en) * | 2018-12-18 | 2023-11-03 | 唐大春 | Reading calliper gauge for measuring shaft dimensions |
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