CN105091715B - A kind of aligning cross recess depth gauge for carrying school zero - Google Patents
A kind of aligning cross recess depth gauge for carrying school zero Download PDFInfo
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- CN105091715B CN105091715B CN201510540648.2A CN201510540648A CN105091715B CN 105091715 B CN105091715 B CN 105091715B CN 201510540648 A CN201510540648 A CN 201510540648A CN 105091715 B CN105091715 B CN 105091715B
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- sleeve
- depth
- gauge
- cross recess
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a kind of aligning cross recess depth gauge for carrying school zero, and it includes dial gauge, sleeve and depth measurement device;Sleeve includes sleeve fixed part and sleeve connection portion, sleeve fixed part has the accommodating cavity that the measurement bar outer wall with dial gauge coordinates, sleeve connection portion has the movable chamber coordinated with depth measurement device, and the bottom in the sleeve connection portion is also provided with spliced eye, and accommodating cavity is connected with the movable chamber;Depth measurement device includes depth gauge head, holddown spring and clamp assemblies, and clamp assemblies include keeper and multiple holders.The combination of dial gauge, sleeve and depth measurement device described in the invention is set up, the measurement of the cross recess of plurality of specifications is not only adapted under conditions of minimal components are changed, also as in depth measurement device the special construction of clamp assemblies and voluntarily carry out school zero, without other aids, simultaneously the clamp assemblies can automatic aligning centering, and most depth gauge head is clamped at last.
Description
Technical field
The invention belongs to Aero-Space detection field, more particularly, to a kind of aligning cross groove depth for carrying school zero
Rule.
Background technology
The product for having a major class in Aero-Space fastener is screw of the head with cross recess, the cross of these screw heads
Groove size is quite important, especially the depth of cross recess, its twisting torque having influence on during use, reuse the life-span with
And properties of product, so these screw class products suffer from strict requirements, the depth detection of cross recess to the depth of cross recess
It is to be detected with special cross recess depth gauge, gauge gauge head and be not with gauge sleeve that the cross recess of different size is used
With.In actual use, use for convenience, the gauge gauge head of each specification can be configured with special hundred
Divide table and sleeve, when changing gauge gauge head, it is also desirable to change corresponding sleeve, measurer use cost is higher.
Current cross recess depth gauge uses the sleeve of monoblock type, needs need during school zero, school zero before its use
By the bottom surface pressing of sleeve in the plane, further according to the excursion of percentage list index, the rotating disk on rotation dial gauge comes
Carry out school zero.During school zero, the torque of dial gauge rotating disk and the power of fixes sleeve are rotated not in approximately the same plane, set can be caused
Cylinder is rocked, so as to cause measuring basis to offset, influences the precision of school zero, and easily dial gauge is caused to damage, and it is to pass through craft
Manpower is controlled, and the precision of school zero and efficiency are poor.
The content of the invention
In view of this, the invention is directed to a kind of aligning cross recess depth gauge for carrying school zero, can be high with solution
Effect and school zero is the problem of accurately measure cross groove depth.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in:
A kind of aligning cross recess depth gauge for carrying school zero, it includes dial gauge, sleeve and depth measurement device;The set
Cylinder includes sleeve fixed part and sleeve connection portion, and the sleeve fixed part has accommodating with the measurement bar outer wall cooperation of dial gauge
Chamber, the sleeve connection portion has the movable chamber coordinated with depth measurement device, and the bottom in the sleeve connection portion is also provided with grafting
Hole, the accommodating cavity is connected with the movable chamber, and the movable chamber is in communication with the outside by spliced eye;
The depth measurement device includes depth gauge head, holddown spring and clamp assemblies, and the clamp assemblies include positioning
Part and multiple holders, the holder are slidably connected and the sliding trace and the angle of sleeve axis with the keeper
For acute angle, the clamping space surrounded by multiple holders is placed in movable chamber, and the depth gauge head is placed in the clamping by spliced eye
In space, the sleeve fixed part is abutted by holddown spring with the holder and the side wall of holder and depth gauge head is supported
Connect, the top of the depth gauge head and the measurement head of dial gauge are supported.
Further, the sleeve fixed part and sleeve connection portion are threaded connection.
Further, the bottom outer wall of the sleeve fixed part, which is got on the bus, external screw thread, and the bottom of the sleeve fixed part is put
In in movable chamber, the top inner wall car in the sleeve connection portion has internal thread, the sleeve fixed part and sleeve connection portion spiral shell
Line is connected.
Further, the depth gauge head includes gauge head limiting section and gauge head measurement portion, the diameter of the gauge head limiting section
More than the diameter of the gauge head measurement portion, the holder is abutted with the outer wall of the gauge head measurement portion, and the gauge head measurement portion
Bottom be provided with cross recess coordinate protruding block.
Further, the centerline parallel of the working face of the holder and the depth gauge head.
Further, the holder also includes clamping sliding surface, the center wire clamp of the clamping sliding surface and depth gauge head
Angle is that the sliding surface edge of acute angle and holder abuts raised provided with clamping, and the keeper includes and the clamping sliding surface
The positioning sliding surface being slidably matched, the edge of the positioning sliding surface is raised provided with located adjacent, the located adjacent it is raised with it is described
Clamping abuts projection and sets up relatively and have recovery spring between the two.
Further, the located adjacent projection is located at the position of neighbouring spliced eye.
Further, the keeper is placed in movable chamber and is interference fitted with its inwall.
Further, the depth measurement device also includes back-up ring, and the shield ring sleeve is in the outside of depth gauge head and is placed in
The top of the holder, the sleeve fixed part is abutted by the holddown spring with the back-up ring.
Further, fastening through-hole is provided with the side wall of the sleeve fixed part, clamp screw is screwed in by the fastening through-hole
Nail, the measurement bar of the dial gauge is fixed by holding screw with the sleeve fixed part.
Further, regulation through hole is provided with the middle part of the keeper, the regulation through hole is corresponding with clamping space position, described
Spliced eye aperture in sleeve connection portion is less than the cavity diameter of its movable chamber, and the keeper is butted on the sleeve connection portion
The aperture of movable chamber cavity bottom and the regulation through hole is less than the aperture of spliced eye.
Relative to prior art, a kind of aligning cross recess depth gauge for carrying school zero described in the invention has following
Advantage:
(1) dial gauge described in the invention, the combination of sleeve and depth measurement device are set up, and are not only changing minimum
Under conditions of part adapt to plurality of specifications cross recess measurement, also as in depth measurement device clamp assemblies special construction
And voluntarily carry out school zero, without other aids, at the same the clamp assemblies can automatic aligning centering, it is and most deep at last
Degree gauge head is clamped.
(2) sleeve fixed part and sleeve connection portion described in the invention is connected by way of screwing togather, Ke Yibao
Being smoothed out for the process of school zero is demonstrate,proved, and can be needed to adjust position of the sleeve fixed part in movable chamber at any time according to school zero, from
And further adjust the compression ratio of holddown spring.
(3) located adjacent is raised on the keeper described in the invention sets up position and can meet keeper and clamping
The needs that are slidably connected of part are outer, it is ensured that holder will not depart from keeper, so holder is further increased to depth
Spend the clamping dynamics of gauge head.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not constitute the improper restriction to the invention.
In accompanying drawing:
Fig. 1 is that a kind of overall structure of aligning cross recess depth gauge for carrying school zero described in the invention embodiment is shown
It is intended to;
Fig. 2 is a kind of depth survey dress of aligning cross recess depth gauge for carrying school zero described in the invention embodiment
Put structural representation;
At the beginning of Fig. 3 is a kind of clamp assemblies of aligning cross recess depth gauge for carrying school zero described in the invention embodiment
Beginning position view;
Fig. 4 is a kind of clamp assemblies pressure of aligning cross recess depth gauge for carrying school zero described in the invention embodiment
Position view after contracting;
Fig. 5 is a kind of depth gauge head knot of aligning cross recess depth gauge for carrying school zero described in the invention embodiment
Structure schematic diagram.
Description of reference numerals:
1- dial gauges, 2- sleeves, 21- sleeve fixed parts, 22- sleeve connections portion, 221- movable chambers, 3- holding screws, 4-
Depth gauge head, 41- gauge head limiting sections, 42- gauge head measurement portions, 5- holddown springs, 6- back-up rings, 7- holders, 71- clampings abut convex
Rise, 8- recovers spring, 9- keepers, 91- located adjacents are raised.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In addition, selected dial gauge 6 in an embodiment of the present invention, it is not limited to this, can also be from other surveys
Measure the instrument of length, such as amesdial.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, a kind of aligning cross recess depth gauge for carrying school zero, it includes dial gauge 1, sleeve 2 and depth and surveyed
Measure device.
The sleeve 2 is included in sleeve fixed part 21 and sleeve connection portion 22, the bottom outer wall of the sleeve fixed part 21
Car has external screw thread, and the bottom of the sleeve fixed part 21 is placed in movable chamber 221, the top inner wall car in the sleeve connection portion 22
There is internal thread, the sleeve fixed part 21 is threadedly coupled with the sleeve connection portion 22, the sleeve fixed part 21 has and percentage
Fastening through-hole is provided with the accommodating cavity that the outer wall of measurement bar 11 of table 1 coordinates, the side wall of the sleeve fixed part 21, passes through the fastening
Through hole screws in holding screw 3, and the measurement bar 11 of the dial gauge 1 is fixed by holding screw 3 with the sleeve fixed part 21;
The sleeve fixed part 21 and sleeve connection portion 22 can also be the mode being slidably connected, and provided with lock on slide rail
Tight component, so that after sleeve fixed part 21 and the relative position of sleeve connection portion 22 is regulated, both clampings are fixed, it is final real
Now change the purpose of the cavity volume size of movable chamber.
The sleeve connection portion 22 has the movable chamber 221 coordinated with depth measurement device, the bottom in the sleeve connection portion 22
Portion is also provided with spliced eye, and the accommodating cavity is connected with the movable chamber 221, and the movable chamber 221 is connected by spliced eye with extraneous
It is logical.
As shown in Fig. 2 the depth measurement device includes depth gauge head 4, holddown spring 5 and clamp assemblies, such as Fig. 4 institutes
Show, the depth gauge head 4 includes gauge head limiting section 41 and gauge head measurement portion 42, and the diameter of the gauge head limiting section 41 is more than described
The diameter of gauge head measurement portion 42, the clamp assemblies include keeper 9 and multiple holders 7, herein in order to keep below
Clamping fastener degree and save material as far as possible, so can from three holders 7, the holder 7 with the positioning
Part 9 is slidably connected and the sliding trace and the angle of the axis of sleeve 2 are acute angle, the clamping space surrounded by multiple holders 7
It is placed in movable chamber 221, the depth gauge head 4 is placed in the clamping space by spliced eye, the sleeve fixed part 21 passes through pressure
When tight spring 5 is abutted with the holder 7, the holder 7 is abutted with the outer wall of the gauge head measurement portion 42, and the gauge head is surveyed
The bottom in amount portion 42 is provided with the protruding block matched somebody with somebody with Phillips-type.
The keeper 9 is placed in movable chamber 221 and is interference fitted with its inwall, and it is logical that the middle part of keeper 9 is provided with regulation
Hole, the regulation through hole is corresponding with clamping space position, and the spliced eye aperture in the sleeve connection portion 22 is less than its movable chamber 221
Cavity diameter, the keeper 9 is butted on the cavity bottom of movable chamber 221 in the sleeve connection portion 22 and the regulation through hole
Aperture is less than the aperture of spliced eye.
Above-mentioned holder 7 includes working face and clamping sliding surface, the working face of the holder 7 and the depth gauge head 4
Centerline parallel, the centerlines of the clamping sliding surface and depth gauge head 4 for acute angle and holder 7 sliding surface edge
Projection 71 is abutted provided with clamping, the keeper 9 includes the positioning sliding surface being slidably matched with the clamping sliding surface, the positioning
The edge of sliding surface is provided with located adjacent projection 91, located adjacent projection 91 is abutted with the clamping raised 71 set up relatively and
Recovery spring 8 is had between the two, and the located adjacent projection 91 is located at the position of neighbouring spliced eye.
The depth measurement device also includes back-up ring 6, and the back-up ring 6 is enclosed on the outside of depth gauge head 4 and is placed in the folder
The top of gripping member 7, the sleeve fixed part 21 is abutted by the holddown spring 5 with the back-up ring 6, the space at this middle part of back-up ring 6
Diameter needs the diameter more than the gauge head measurement portion 42, in addition it is also necessary to which, less than the outer diameter of holder 7, the effect of the back-up ring is just
It is that the power for changing movable chamber cavity volume is transformed on holder 7, so as to force holder 7 to move down, and recovers spring 8
Set up the recovery it is also ensured that holder 7 and the relative position of keeper 9.
The operation principle of the present embodiment:
Dial gauge 1 is penetrated into sleeve fixed part 21 first, Position Approximate is adjusted and is consolidated by holding screw 3
It is fixed;
Then the holder 7 of clamp assemblies and recovery spring 8 are installed to it by the positioning sliding surface on keeper 9
On, then the clamp assemblies assembled are encased in movable chamber 221, then back-up ring 6 is fitted into the movable chamber 221, make itself and folder
Hold and be in contact at the top of component;
Then holddown spring 5 is loaded, the upper surface of back-up ring 6 is placed it in;
The sleeve fixed part 21 for being fixed with dial gauge 1 is screwed into movable chamber 221 by screw thread pair again, several roads are being screwed into
After tooth, depth gauge head 4 is penetrated into sleeve 2 by the spliced eye of the bottom of movable chamber 221, sleeve connection portion is then screwed again
22, as shown in Figures 3 and 4, during being screwed into, holddown spring 5 is compressed, and it can compress back-up ring 6 and clamp assemblies downwards
Holder 7, three holders 7 can move to the center of sleeve 2, and can automatic aligning centering, and depth can finally be surveyed
First 4 clamp, after clamping, and depth gauge head 4 ensure that its gauge head measurement portion 42 will not be slided from the lower end of movable chamber 221
It is de-, then school zero can be carried out to depth gauge head 4 during last several teeth are screwed into;
The process of school zero:The bottom surface of sleeve connection portion 22 assembled is pressed into contact with a school zero plane first, then in school
Zero plane direction turnbarrel fixed part 21, is turned around using the screw thread pair rotation of itself and is only equivalent to the spy for rising a pitch
Property, it is possible to achieve accurate school zero is carried out to depth gauge head 4, school zero can be accordingly measured cross recess after completing.
When measuring the cross recess of different size, directly the sleeve connection portion 22 of sleeve 2 is unscrewed so that clamp assemblies
Holder 7 returns to original state, now, and depth gauge head 4 can be skidded off from the lower surface in sleeve connection portion 22, then according still further to upper
The depth gauge head 4 that the operating procedure in face changes another specification can be measured.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (10)
1. a kind of aligning cross recess depth gauge for carrying school zero, it is characterised in that:Surveyed including dial gauge (1), sleeve (2) and depth
Measure device;The sleeve (2) include sleeve fixed part (21) and sleeve connection portion (22), the sleeve fixed part (21) with
The accommodating cavity that measurement bar (11) outer wall of dial gauge (1) coordinates, the sleeve connection portion (22) has matches somebody with somebody with depth measurement device
The movable chamber (221) of conjunction, the bottom in the sleeve connection portion (22) is also provided with spliced eye, the accommodating cavity and the movable chamber (221)
Connect, and the movable chamber (221) is in communication with the outside by spliced eye;
The depth measurement device includes depth gauge head (4), holddown spring (5) and clamp assemblies, and the clamp assemblies include fixed
Position part (9) and multiple holders (7), the holder (7) are slidably connected and the sliding trace and set with the keeper (9)
The angle of cylinder (2) axis is acute angle, and the clamping space surrounded by multiple holders (7) is placed in movable chamber (221), the depth
Degree gauge head (4) is placed in the clamping space by spliced eye, and the sleeve fixed part (21) passes through holddown spring (5) and the clamping
Part (7) is abutted and holder (7) is abutted with the side wall of depth gauge head (4), top and the dial gauge (1) of the depth gauge head (4)
Measurement head (12) is supported.
2. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The sleeve is consolidated
It is threaded connection to determine portion (21) and sleeve connection portion (22).
3. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The sleeve is consolidated
The bottom outer wall for determining portion (21) is got on the bus and has external screw thread, and the bottom of the sleeve fixed part (21) is placed in movable chamber (221), described
The top inner wall car in sleeve connection portion (22) has internal thread, and the sleeve fixed part (21) connects with sleeve connection portion (22) screw thread
Connect.
4. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The depth is surveyed
Head (4) includes gauge head limiting section (41) and gauge head measurement portion (42), and the diameter of the gauge head limiting section (41) is more than the gauge head
The diameter of measurement portion (42), the holder (7) abuts with the outer wall of the gauge head measurement portion (42), and the gauge head measurement portion
(42) bottom is provided with the protruding block coordinated with cross recess.
5. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The holder
(7) working face and the centerline parallel of the depth gauge head (4).
6. a kind of aligning cross recess depth gauge for carrying school zero according to claim 5, it is characterised in that:The holder
(7) clamping sliding surface is also included, the centerlines of the clamping sliding surface and depth gauge head (4) are acute angle and holder (7)
Sliding surface edge is abutted raised (71) provided with clamping, and the keeper (9) includes what is be slidably matched with the clamping sliding surface
Sliding surface is positioned, the edge of the positioning sliding surface is raised (91) provided with located adjacent, located adjacent projection (91) and the folder
Abutting raised (71) is held to set up relatively and have recovery spring (8) between the two.
7. a kind of aligning cross recess depth gauge for carrying school zero according to claim 6, it is characterised in that:The positioning is supported
Connect the position that raised (91) are located at neighbouring spliced eye.
8. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The keeper
(9) it is placed in movable chamber (221) and is interference fitted with its inwall.
9. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The depth is surveyed
Measuring device also includes back-up ring (6), and the back-up ring (6) is enclosed on the outside of depth gauge head (4) and is placed in the top of the holder (7)
Portion, the sleeve fixed part (21) is abutted by the holddown spring (5) with the back-up ring (6).
10. a kind of aligning cross recess depth gauge for carrying school zero according to claim 1, it is characterised in that:The sleeve
Fastening through-hole is provided with the side wall of fixed part (21), holding screw (3) is screwed in by the fastening through-hole, the dial gauge (1)
Measurement bar (11) is fixed by holding screw (3) and the sleeve fixed part (21).
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CN201510540648.2A CN105091715B (en) | 2015-08-28 | 2015-08-28 | A kind of aligning cross recess depth gauge for carrying school zero |
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CN201510540648.2A CN105091715B (en) | 2015-08-28 | 2015-08-28 | A kind of aligning cross recess depth gauge for carrying school zero |
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CN105091715B true CN105091715B (en) | 2017-08-15 |
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DE2815075A1 (en) * | 1978-04-07 | 1979-10-18 | Autogenwerk Rhoena Gmbh | Dial pressure gauge union seal - has hollow truncated cone section to provide centering action whilst screwing gauge home |
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