CN105091715A - Aligning cross recess depth gauge with automatic zero calibration - Google Patents
Aligning cross recess depth gauge with automatic zero calibration Download PDFInfo
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- CN105091715A CN105091715A CN201510540648.2A CN201510540648A CN105091715A CN 105091715 A CN105091715 A CN 105091715A CN 201510540648 A CN201510540648 A CN 201510540648A CN 105091715 A CN105091715 A CN 105091715A
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- Prior art keywords
- sleeve
- depth gauge
- cross recess
- depth
- gauge head
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Abstract
The invention provides an aligning cross recess depth gauge with automatic zero calibration. The aligning cross recess depth gauge comprises a dial gauge, a sleeve and a depth measuring apparatus. The sleeve comprises a sleeve fixation portion and a sleeve connecting portion, wherein the sleeve fixation portion is provided with an accommodation cavity cooperating with the outer wall of the measuring rod of the dial gauge, the sleeve connecting portion is provided with a movable cavity cooperating with the depth measuring apparatus, the bottom of the sleeve connecting portion is also provided with a plugging hole, and the accommodation cavity communicates with the movable cavity. The depth measuring apparatus comprises a depth probe, a compaction spring and a clamping assembly, wherein the clamping assembly comprises a positioning member and multiple clamping members. According to the invention, through combined arrangement of the dial gauge, the sleeve and the depth measuring apparatus, the aligning cross recess depth gauge is applied to measurement of cross recesses with multiple specifications under the condition that a least number of parts are replaced. Besides, automatic zero calibration is carried out due to the special structure of the clamping assembly in the depth measuring apparatus, assistance of other auxiliary tools is unnecessary, and at the same time, the clamping assembly can perform automatic aligning for alignment and finally clamps the depth probe.
Description
Technical field
The invention belongs to Aero-Space detection field, especially relates to a kind of aligning cross recess depth gauge carrying school zero.
Background technology
The product having a large class in Aero-Space securing member is head with cross recessed screw, the cross recess size of these screw heads is quite important, especially the cross recessed degree of depth, it has influence on twisting moment in use procedure, reuses life-span and properties of product, so these screw series products have strict requirement to the cross recessed degree of depth, cross recessed depth detection detects with special cross recess depth gauge, the gauge gauge head that the cross recess of different size is used and and gauge sleeve be different.In actual use, conveniently use, the gauge gauge head of each specification can be configured with a special dial gauge and sleeve, and when changing gauge gauge head, also need to change corresponding sleeve, measurer use cost is higher.
Current cross recess depth gauge uses all-in-one-piece sleeve, and it needs to carry out school zero before using, and needs by the pressing of the bottom surface of sleeve in the plane in the process of school zero, then according to the variation range of dial gauge pointer, the rotating disk rotated on dial gauge carries out school zero.In the process of school zero, the power of the moment and fixed muffle that rotate dial gauge rotating disk, not in same plane, can cause sleeve to rock, thus cause measuring basis to offset, affect school zero precision, and easily damage is caused to dial gauge, it is for control by manual human, school zero precision and efficiency poor.
Summary of the invention
In view of this, the invention is intended to propose a kind of aligning cross recess depth gauge carrying school zero, can efficiently and the problem of the cross recess degree of depth is measured in school zero accurately to solve.
For achieving the above object, the technical scheme of the invention is achieved in that
Carry the aligning cross recess depth gauge in school zero, it comprises dial gauge, sleeve and depth measurement device; Described sleeve comprises sleeve fixed part and sleeve connection portion, described sleeve fixed part has the accommodating cavity coordinated with the sounding rod outer wall of dial gauge, described sleeve connection portion has the movable chamber coordinated with depth measurement device, the bottom in this sleeve connection portion also has spliced eye, described accommodating cavity is communicated with this movable chamber, and described movable chamber is in communication with the outside by spliced eye;
Described depth measurement device comprises degree of depth gauge head, holddown spring and clamp assemblies, described clamp assemblies comprises keeper and multiple holder, described holder is all slidably connected with described keeper and the angle of this sliding trace and sleeve axis is acute angle, the clamping space surrounded by multiple holder is placed in movable chamber, described degree of depth gauge head is placed in this clamping space by spliced eye, described sleeve fixed part to be abutted with described holder by holddown spring and holder abuts with the sidewall of degree of depth gauge head, and the top of this degree of depth gauge head and the measuring head of dial gauge are supported.
Further, described sleeve fixed part and sleeve connection portion are for being threaded.
Further, the bottom outer wall of described sleeve fixed part has been got on the bus external thread, and the bottom of this sleeve fixed part is placed in movable chamber, and the top inner wall car in described sleeve connection portion has internal thread, and this sleeve fixed part is threaded with described sleeve connection portion.
Further, described degree of depth gauge head comprises gauge head limiting section and gauge head measurement section, the diameter of described gauge head limiting section is greater than the diameter of described gauge head measurement section, and described holder abuts with the outer wall of described gauge head measurement section, and the bottom of this gauge head measurement section is provided with the protruding block coordinated with cross recess.
Further, the workplace of described holder and the centerline parallel of described degree of depth gauge head.
Further, described holder also comprises clamping slipping plane, this clamping slipping plane is acute angle with the centerlines of degree of depth gauge head and the slipping plane edge of holder is provided with to clamp and abuts projection, described keeper comprises the location slipping plane be slidably matched with described clamping slipping plane, the edge of this location slipping plane is provided with located adjacent projection, and protruding and described clamping of this located adjacent abuts that projection is relative to be set up and have recovery spring between the two.
Further, described located adjacent projection is located at the position of contiguous spliced eye.
Further, described keeper to be placed in movable chamber and with its inwall interference fit.
Further, described depth measurement device also comprises back-up ring, and described shield ring sleeve is in the outside of degree of depth gauge head and be placed in the top of described holder, and described sleeve fixed part is abutted with this back-up ring by described holddown spring.
Further, the sidewall of described sleeve fixed part has fastening through-hole, screw in holding screw by this fastening through-hole, the sounding rod of described dial gauge is fixed by holding screw and described sleeve fixed part.
Further, adjustment through hole is had in the middle part of described keeper, this adjustment through hole is corresponding with clamping space position, spliced eye aperture in described sleeve connection portion is less than the cavity diameter in its movable chamber, and described keeper is butted on the movable chamber cavity bottom in described sleeve connection portion and the aperture of described adjustment through hole is less than the aperture of spliced eye.
Relative to prior art, a kind of aligning cross recess depth gauge carrying school zero described in the invention has following advantage:
(1) combination of the dial gauge described in the invention, sleeve and depth measurement device is set up, the cross recessed not only adapting to plurality of specifications under the condition changing minimal components is measured, also carry out school zero voluntarily because of the special construction of clamp assemblies in depth measurement device, without the need to by other aids, this clamp assemblies can automatic aligning centering simultaneously, and degree of depth gauge head clamps the most at last.
(2) the sleeve fixed part described in the invention is connected by the mode screwed togather with sleeve connection portion, carrying out smoothly of school zero process can be ensured, and can need to adjust the position of sleeve fixed part in movable chamber at any time according to school zero, thus adjust the compressibility of holddown spring further.
(3) on the keeper described in the invention located adjacent projection set up position can meet keeper and holder be slidably connected outside needs, also assures that holder can not depart from keeper, so further increase the clamping dynamics of holder to degree of depth gauge head.
Accompanying drawing explanation
The accompanying drawing of the part of formation the invention is used to provide the further understanding to the invention, and the schematic description and description of the invention, for explaining the invention, does not form the improper restriction to the invention.In the accompanying drawings:
Fig. 1 is a kind of one-piece construction schematic diagram carrying the aligning cross recess depth gauge in school zero described in the invention embodiment;
Fig. 2 is a kind of depth measurement device structural representation carrying the aligning cross recess depth gauge in school zero described in the invention embodiment;
Fig. 3 is a kind of clamp assemblies initial position schematic diagram carrying the aligning cross recess depth gauge in school zero described in the invention embodiment;
Fig. 4 is a kind of rear position view of clamp assemblies compression carrying the aligning cross recess depth gauge in school zero described in the invention embodiment;
Fig. 5 is a kind of degree of depth measuring head structure schematic diagram carrying the aligning cross recess depth gauge in school zero described in the invention embodiment.
Description of reference numerals:
1-dial gauge, 2-sleeve, 21-sleeve fixed part, 22-sleeve connection portion, the movable chamber of 221-, 3-holding screw, 4-degree of depth gauge head, 41-gauge head limiting section, 42-gauge head measurement section, 5-holddown spring, 6-back-up ring, 7-holder, 71-clamping abuts protruding, 8-recovers spring, 9-keeper, and 91-located adjacent is protruding.
Embodiment
It should be noted that, when not conflicting, the embodiment in the invention and the feature in embodiment can combine mutually.
In addition, dial gauge 6 selected in an embodiment of the present invention, is not limited thereto, and other can also be selected to measure the instrument of length, such as clock gauge.
Below with reference to the accompanying drawings and describe the invention in detail in conjunction with the embodiments.
As shown in Figure 1, a kind of aligning cross recess depth gauge carrying school zero, it comprises dial gauge 1, sleeve 2 and depth measurement device.
Described sleeve 2 comprises sleeve fixed part 21 and sleeve connection portion 22, the bottom outer wall of described sleeve fixed part 21 has been got on the bus external thread, and the bottom of this sleeve fixed part 21 is placed in movable chamber 221, the top inner wall car in described sleeve connection portion 22 has internal thread, this sleeve fixed part 21 is threaded with described sleeve connection portion 22, described sleeve fixed part 21 has the accommodating cavity coordinated with sounding rod 11 outer wall of dial gauge 1, the sidewall of described sleeve fixed part 21 has fastening through-hole, holding screw 3 is screwed in by this fastening through-hole, the sounding rod 11 of described dial gauge 1 is fixed by holding screw 3 and described sleeve fixed part 21,
Described sleeve fixed part 21 and sleeve connection portion 22 can also be the modes be slidably connected, and latch assembly is provided with on slide rail, thus after regulating sleeve fixed part 21 and sleeve connection portion 22 relative position, both are clamped fixing, finally realize the object of the cavity volume size in change activity chamber.
Described sleeve connection portion 22 has the movable chamber 221 coordinated with depth measurement device, and the bottom in this sleeve connection portion 22 also has spliced eye, and described accommodating cavity is communicated with this movable chamber 221, and described movable chamber 221 is in communication with the outside by spliced eye.
As shown in Figure 2, described depth measurement device comprises degree of depth gauge head 4, holddown spring 5 and clamp assemblies, as shown in Figure 4, described degree of depth gauge head 4 comprises gauge head limiting section 41 and gauge head measurement section 42, the diameter of described gauge head limiting section 41 is greater than the diameter of described gauge head measurement section 42, described clamp assemblies comprises keeper 9 and multiple holder 7, here in order to keep clamping fastener degree below and save material as far as possible, so three holders 7 can be selected, described holder 7 is all slidably connected with described keeper 9 and the angle of this sliding trace and sleeve 2 axis is acute angle, the clamping space surrounded by multiple holder 7 is placed in movable chamber 221, described degree of depth gauge head 4 is placed in this clamping space by spliced eye, when described sleeve fixed part 21 is abutted with described holder 7 by holddown spring 5, described holder 7 abuts with the outer wall of described gauge head measurement section 42, and the bottom of this gauge head measurement section 42 is provided with the protruding block of joining with Phillips-type.
Described keeper 9 to be placed in movable chamber 221 and with its inwall interference fit, adjustment through hole is had in the middle part of this keeper 9, this adjustment through hole is corresponding with clamping space position, spliced eye aperture in described sleeve connection portion 22 is less than the cavity diameter in its movable chamber 221, and described keeper 9 is butted on movable chamber 221 cavity bottom in described sleeve connection portion 22 and the aperture of described adjustment through hole is less than the aperture of spliced eye.
Above-mentioned holder 7 comprises workplace and clamping slipping plane, the workplace of this holder 7 and the centerline parallel of described degree of depth gauge head 4, this clamping slipping plane is acute angle with the centerlines of degree of depth gauge head 4 and the slipping plane edge of holder 7 is provided with to clamp and abuts protruding 71, described keeper 9 comprises the location slipping plane be slidably matched with described clamping slipping plane, the edge of this location slipping plane is provided with located adjacent projection 91, this located adjacent protruding 91 with described clamp abut projection 71 relative set up and have between the two recover spring 8, described located adjacent projection 91 is located at the position of contiguous spliced eye.
Described depth measurement device also comprises back-up ring 6, described back-up ring 6 is enclosed within the outside of degree of depth gauge head 4 and is placed in the top of described holder 7, described sleeve fixed part 21 is abutted with this back-up ring 6 by described holddown spring 5, space diameter in the middle part of this back-up ring 6 needs the diameter being greater than described gauge head measurement section 42, also need the outer diameter being less than holder 7, the effect of this back-up ring is exactly be transformed on holder 7 by the power of change activity chamber cavity volume, thus force holder 7 to move down, and recover spring 8 set up the recovery that also can ensure holder 7 and keeper 9 relative position.
The principle of work of the present embodiment:
First dial gauge 1 is penetrated in sleeve fixed part 21, adjust Position Approximate and be fixed by holding screw 3;
Then the holder 7 of clamp assemblies and recovery spring 8 are installed on it by the location slipping plane on keeper 9, again the clamp assemblies assembled is encased in movable chamber 221, back-up ring 6 is loaded in this movable chamber 221 again, make it contact with the top of clamp assemblies;
Subsequently holddown spring 5 is loaded, make it be placed in the upper surface of back-up ring 6;
Again the sleeve fixed part 21 being fixed with dial gauge 1 is screwed in movable chamber 221 by screw thread pair, after being screwed into a few curb, degree of depth gauge head 4 is penetrated in sleeve 2 by the spliced eye bottom movable chamber 221, and then screw sleeve connection portion 22, as shown in Figures 3 and 4, in the process be screwed into, holddown spring 5 is compressed, it can compress the holder 7 of back-up ring 6 and clamp assemblies downwards, three holders 7 can move to sleeve 2 center, and can automatic aligning centering, and finally degree of depth gauge head 4 can be clamped, after clamping, degree of depth gauge head 4 can ensure that its gauge head measurement section 42 can not from the lower end slippage in movable chamber 221, be screwed in last a few tooth process and can carrying out school zero to degree of depth gauge head 4 subsequently,
School zero process: first the bottom surface, sleeve connection portion 22 assembled is compressed with a school zero plane and contact, then at zero plane direction, school turnbarrel fixed part 21, utilize itself revolve to turn around and be only equivalent to the characteristic of a rising pitch of screw thread pair, can realize carrying out accurate school zero to degree of depth gauge head 4, can measure accordingly cross recess after school zero completes.
When measuring the cross recess of different size, directly the sleeve connection portion 22 of sleeve 2 is unscrewed, the holder 7 of clamp assemblies is made to return to original state, now, degree of depth gauge head 4 can skid off from the lower surface in sleeve connection portion 22, and then can measure according to the degree of depth gauge head 4 that operation steps above changes another specification.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; within all spirit in the invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the invention.
Claims (10)
1. carry the aligning cross recess depth gauge in school zero, it is characterized in that: comprise dial gauge (1), sleeve (2) and depth measurement device; Described sleeve (2) comprises sleeve fixed part (21) and sleeve connection portion (22), described sleeve fixed part (21) has the accommodating cavity coordinated with the sounding rod of dial gauge (1) (11) outer wall, described sleeve connection portion (22) has the movable chamber (221) coordinated with depth measurement device, the bottom in this sleeve connection portion (22) also has spliced eye, described accommodating cavity is communicated with this movable chamber (221), and described movable chamber (221) is in communication with the outside by spliced eye;
Described depth measurement device comprises degree of depth gauge head (4), holddown spring (5) and clamp assemblies, described clamp assemblies comprises keeper (9) and multiple holder (7), described holder (7) is all slidably connected with described keeper (9) and the angle of this sliding trace and sleeve (2) axis is acute angle, the clamping space surrounded by multiple holder (7) is placed in movable chamber (221), described degree of depth gauge head (4) is placed in this clamping space by spliced eye, described sleeve fixed part (21) to be abutted with described holder (7) by holddown spring (5) and holder (7) abuts with the sidewall of degree of depth gauge head (4), the top of this degree of depth gauge head (4) and the measuring head (12) of dial gauge (1) are supported.
2. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, is characterized in that: described sleeve fixed part (21) and sleeve connection portion (22) are for being threaded.
3. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, it is characterized in that: the bottom outer wall of described sleeve fixed part (21) has been got on the bus external thread, and the bottom of this sleeve fixed part (21) is placed in movable chamber (221), the top inner wall car of described sleeve connection portion (22) has internal thread, and this sleeve fixed part (21) is threaded with described sleeve connection portion (22).
4. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, it is characterized in that: described degree of depth gauge head (4) comprises gauge head limiting section (41) and gauge head measurement section (42), the diameter of described gauge head limiting section (41) is greater than the diameter of described gauge head measurement section (42), described holder (7) abuts with the outer wall of described gauge head measurement section (42), and the bottom of this gauge head measurement section (42) is provided with the protruding block coordinated with cross recess.
5. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, is characterized in that: the workplace of described holder (7) and the centerline parallel of described degree of depth gauge head (4).
6. a kind of aligning cross recess depth gauge carrying school zero according to claim 5, it is characterized in that: described holder (7) also comprises clamping slipping plane, this clamping slipping plane is acute angle with the centerlines of degree of depth gauge head (4) and the slipping plane edge of holder (7) is provided with to clamp and abuts protruding (71), described keeper (9) comprises the location slipping plane be slidably matched with described clamping slipping plane, the edge of this location slipping plane is provided with located adjacent projection (91), this located adjacent projection (91) with described clamp abut protruding (71) relative set up and have between the two recover spring (8).
7. a kind of aligning cross recess depth gauge carrying school zero according to claim 6, is characterized in that: described located adjacent projection (91) is located at the position of contiguous spliced eye.
8. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, is characterized in that: described keeper (9) to be placed in movable chamber (221) and with its inwall interference fit.
9. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, it is characterized in that: described depth measurement device also comprises back-up ring (6), described back-up ring (6) is enclosed within the outside of degree of depth gauge head (4) and is placed in the top of described holder (7), and described sleeve fixed part (21) is abutted with this back-up ring (6) by described holddown spring (5).
10. a kind of aligning cross recess depth gauge carrying school zero according to claim 1, it is characterized in that: the sidewall of described sleeve fixed part (21) has fastening through-hole, screw in holding screw (3) by this fastening through-hole, the sounding rod (11) of described dial gauge (1) is fixed by holding screw (3) and described sleeve fixed part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN105091715A true CN105091715A (en) | 2015-11-25 |
| CN105091715B CN105091715B (en) | 2017-08-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110108188A (en) * | 2019-05-21 | 2019-08-09 | 浙江贝托传动科技有限公司 | Bore measuring instrument for speed reducer components |
| CN110207574A (en) * | 2019-06-03 | 2019-09-06 | 安徽天航机电有限公司 | A kind of aviation screw cross recess depth detection apparatus and its detection method |
| CN111707170A (en) * | 2020-06-29 | 2020-09-25 | 中国电子科技集团公司第十四研究所 | SMP connector jack depth position size measuring device |
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| CN111707170A (en) * | 2020-06-29 | 2020-09-25 | 中国电子科技集团公司第十四研究所 | SMP connector jack depth position size measuring device |
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