CN206002037U - End surface of screw hole arrangement for measuring verticality - Google Patents
End surface of screw hole arrangement for measuring verticality Download PDFInfo
- Publication number
- CN206002037U CN206002037U CN201620900669.0U CN201620900669U CN206002037U CN 206002037 U CN206002037 U CN 206002037U CN 201620900669 U CN201620900669 U CN 201620900669U CN 206002037 U CN206002037 U CN 206002037U
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- CN
- China
- Prior art keywords
- end surface
- screw hole
- fixed part
- measured
- screw
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of end surface of screw hole arrangement for measuring verticality, including the connecting portion for placing and being fixed on the fixed part in cone in screw to be measured and the bigger diameter end located at fixed part, fixed part is provided with taper thread, connecting portion is provided with least two for placing the measured hole of detection ruler, and on connecting portion, the end face away from fixed part is the plane of the central shaft perpendicular to fixed part.This kind of end surface of screw hole arrangement for measuring verticality is capable of the detection to end surface of screw hole perpendicularity, advantageously ensure that the drawing requirement and screw to be measured sealing when using, because during detection, reference center's line of end surface of screw hole arrangement for measuring verticality can overlap with the central shaft of screw to be measured, positioning precision is higher, and structure is simple, manufacturing cost is relatively low.
Description
Technical field
This utility model machining technology field, particularly to a kind of end surface of screw hole arrangement for measuring verticality.
Background technology
In machinery industry, for ensureing tightness and the sealing of the securing members such as bolt, in design, to important in drawing
Screw all can have perpendicularity require, especially gear-box production in, in order to ensure the sealing of purge cock, on drawing require
The end surface of screw hole assembling purge cock on casing is 0.06mm to screw datum axis perpendicularity, to ensure to tighten spiral shell in assembling
Plug, the pretightning force of plug screw make between screw plunger end, sealing ring end face and end surface of screw hole closely sturdy seamless it is ensured that lubricating oil
Ne-leakage.If end surface of screw hole is overproof to screw datum axis perpendicularity, when tightening plug screw, screw plunger end is with respect to screw end
Face is to tilt, and plug screw is local compaction sealing ring end face and end surface of screw hole, does not reach sealing function, will appear from lubricating oil and ooze
Leakage phenomenon.
At present, due to not having specific cubing that end surface of screw hole perpendicularity is detected, manufacturer is all from processing work
Skill aspect claims to ensure end surface of screw hole perpendicularity, for example, in casing technique, screw processing is claimed：Auger shell stricture of vagina
Bottom outlet, tapping and the flat end surface of screw hole of ream machine in clamped one time, do not allow to bore thread Pilot hole, tapping and ream flat screw end
Face is divided into clamping processing twice.But in the screw course of processing, however it remains following problem：Workman does not press technological requirement one
Thread Pilot hole, tapping and the flat end surface of screw hole of ream is bored in secondary clamping；Even if or by technological requirement execution, but in process, because
Maloperation makes casing occur loosening, and both the above situation does not all reach the requirement of above-mentioned perpendicularity 0.06mm, due to examining
Survey, cause oil seepage phenomenon at casing plug screw to happen occasionally.
Therefore, how to realize end surface of screw hole perpendicularity is detected, be that those skilled in the art need to solve at present
Technical problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of end surface of screw hole arrangement for measuring verticality, is capable of to screw
The detection of end face squareness.
For achieving the above object, this utility model provides following technical scheme：
A kind of end surface of screw hole arrangement for measuring verticality, including for placing and being fixed on the fixed part in cone in screw to be measured
With the connecting portion of the bigger diameter end located at described fixed part, described fixed part is provided with taper thread, described connecting portion be provided with to
Few two are used for placing the measured hole of detection ruler, and on described connecting portion, the end face away from described fixed part is perpendicular to described fixation
The plane of the central shaft in portion.
Preferably, described measured hole is at least four.
Preferably, all described measured holes are identical with the spacing of the central shaft of described fixed part, and between described measured hole etc.
Away from being arranged in described plane.
Preferably, the range of taper of described taper thread is 1:40 to 1:100.
Preferably, described taper thread is 1:50 taper threads.
Preferably, described connecting portion and described fixed part are integrated part.
Preferably, also include for the described detection ruler in described measured hole.
Preferably, described detection ruler is micrometric depth gauge.
Preferably, described fixed part and described connecting portion are wearing piece.
The end surface of screw hole arrangement for measuring verticality that this utility model provides includes
The fixed part of cone and the connecting portion of the bigger diameter end located at fixed part, fixed part is provided with taper thread, connecting portion be provided with to
Few two are used for placing the measured hole of detection ruler, and on connecting portion, the end face away from fixed part is the central shaft perpendicular to fixed part
Plane.
When detecting the perpendicularity of end surface of screw hole to be measured, fixed part is screwed in screw to be measured, when the diameter of taper thread
When identical with the diameter of screw thread in screw to be measured, fixed part is stopped mobile and is tightened with screw to be measured cooperation, now, fixed part
Central shaft is coincided with the central shaft of screw to be measured, and on connecting portion, the end face away from fixed part is measurement datum, fixed part
Centrage on the basis of central shaft, detection ruler is inserted respectively in different measured holes, and detection is as the connecting portion of measurement datum
End face is to the distance of end surface of screw hole to be measured, the as end surface of screw hole error of perpendicularity to be measured of the maximum difference in the distance value recording.
This kind of end surface of screw hole arrangement for measuring verticality is capable of the detection to end surface of screw hole perpendicularity, advantageously ensures that drawing will
Ask and screw to be measured use when sealing, due to detection when end surface of screw hole arrangement for measuring verticality reference center's line with to be measured
The central shaft of screw can overlap, and positioning precision is higher, and structure is simple, and manufacturing cost is relatively low.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing providing.
The structural representation of the specific embodiment one by this utility model provided end surface of screw hole arrangement for measuring verticality for the Fig. 1；
The structural representation of the specific embodiment two by this utility model provided end surface of screw hole arrangement for measuring verticality for the Fig. 2.
In Fig. 1 to Fig. 2,1 is fixed part, and 2 is connecting portion, and 3 is measured hole, and 4 is detection ruler.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Core of the present utility model is to provide a kind of end surface of screw hole arrangement for measuring verticality, is capable of to end surface of screw hole perpendicularity
Detection.
Refer to Fig. 1 and Fig. 2, Fig. 1 is the specific embodiment one of this utility model provided end surface of screw hole arrangement for measuring verticality
Structural representation；The structural representation of the specific embodiment two by this utility model provided end surface of screw hole arrangement for measuring verticality for the Fig. 2
Figure.
In a kind of specific embodiment of this utility model provided end surface of screw hole arrangement for measuring verticality, including fixed part 1 with even
Socket part 2, fixed part 1 is in cone, can place and be fixed in screw to be measured, fixed part 1 is provided with taper thread, fixed part 1
Bigger diameter end and the less miner diameter end of diameter that the two ends axially gone up respectively are relatively large in diameter；Connecting portion 2 is arranged on fixed part 1
Bigger diameter end, connecting portion 2 is provided with least two measured holes 3, can place detection ruler 4 in measured hole 3, on connecting portion 2 away from
The end face of fixed part 1 is the plane of the central shaft perpendicular to fixed part 1.
When detecting the perpendicularity of end surface of screw hole to be measured, fixed part 1 is screwed in screw to be measured, when the diameter of taper thread
When identical with the diameter of screw thread in screw to be measured, fixed part 1 is stopped mobile and is tightened with screw to be measured cooperation, now, fixed part 1
Central shaft coincide with the central shaft of screw to be measured, on connecting portion 2, the end face away from fixed part 1 is measurement datum, fixing
Centrage on the basis of the central shaft in portion 1, detection ruler 4 is inserted in different measured holes 3 respectively, and detection is as measurement datum
To the distance of end surface of screw hole to be measured, it is vertical that the maximum difference in the distance value recording is end surface of screw hole to be measured to connecting portion 2 end face
Degree error.
It can be seen that, this kind of end surface of screw hole arrangement for measuring verticality is capable of the detection to end surface of screw hole perpendicularity, advantageously ensures that
The drawing requirement and screw to be measured sealing when using, due to reference center's line of end surface of screw hole arrangement for measuring verticality during detection
Can overlap with the central shaft of screw to be measured, positioning precision is higher, and structure is simple, manufacturing cost is relatively low.
In above-described embodiment, the quantity of measured hole 3 could be arranged at least four, to ensure to record sufficient amount of distance
Difference is such that it is able to obtain the accurate error of perpendicularity.Certainly, measured hole 3 can also be three or other quantity.
In each embodiment above-mentioned, all measured holes 3 could be arranged to identical with the spacing of the central shaft of fixed part 1,
I.e. measured hole 3 connects formation circle or equilateral polygon on the end face of connecting portion 2, and measured hole 3 spaced set is in flat
On face, i.e. the every spacing all same between two neighboring measured hole 3.Under this kind of set-up mode, the difference of measured value and measured value
Value can reflect perpendicularity actual error value more fully hereinafter.Certainly, the arrangement mode of measured hole 3 can also be according to practical situation
Carry out other settings, for example, measured hole 3 can be radially arranged at least two centered on the central shaft of fixed part 1.
In each embodiment above-mentioned, the range of taper of taper thread is specifically as follows 1:40 to 1:100, so that measurement
The precision of perpendicularity actual error value is higher with accuracy.Certainly, the taper value of taper thread is not limited to above range, Ke Yigen
It is configured according to being actually needed.
Specifically, taper thread can be 1:50 taper threads, now, the precision of measurement result and accuracy are optimal.
In each embodiment above-mentioned, connecting portion 2 and fixed part 1 can be integrated part, when making, connecting portion 2 with fixing
Portion 1 can be integrally formed, and to ensure the stability being connected between connecting portion 2 and fixed part 1, ensure the center of fixed part 1 simultaneously
Vertical or parallel relation between the central shaft of axle and measured hole 3, the central shaft of fixed part 1 and the end face of connecting portion 2.And or
Person, connecting portion 2 can be threaded connection with fixed part 1 or other modes carry out being detachably fixed being connected, in order to connect
The maintenance respectively of portion 2 and fixed part 1 or replacing.
In each embodiment above-mentioned, end surface of screw hole arrangement for measuring verticality can also be included in described connecting portion 2
Detection ruler 4, from being coordinated with measured hole 3 without detection ruler 4 of finding other when using, is easy to use.
Wherein, detection ruler 4 can be depth indicator, micrometric depth gauge equally accurate preferable chi tool.Preferably, detection ruler 4 can
Think micrometric depth gauge, precision can reach 0.001mm, to provide higher certainty of measurement.
In each embodiment above-mentioned, the material of fixed part 1 and connecting portion 2 have multiple choices it is preferable that fixed part 1 with even
Socket part 2 can be wearing piece, and for example, steelwork, wear-resistant plastic, to ensure the service life of end surface of screw hole arrangement for measuring verticality.
Certainly, fixed part 1 and connecting portion 2 can also be ligneous piece or other materials part.
In each embodiment above-mentioned, the central shaft of measured hole 3 can be parallel to the central shaft of fixed part 1, so that detection ruler 4
Place stable.Certainly, as long as the radial dimension of measured hole 3 is sufficiently large, the central shaft of the central shaft of measured hole 3 and fixed part 1
Can not have parallel relation.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Above end surface of screw hole arrangement for measuring verticality provided by the utility model is described in detail.Used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help reason
Solve method of the present utility model and its core concept.It should be pointed out that for those skilled in the art, not
On the premise of departing from this utility model principle, this utility model can also be carried out with some improvement and modify, these improve and repair
Decorations also fall in this utility model scope of the claims.
Claims (9)
1. a kind of end surface of screw hole arrangement for measuring verticality it is characterised in that include for place and be fixed in screw to be measured in cone
The fixed part (1) of body and the connecting portion (2) of the bigger diameter end located at described fixed part (1), described fixed part (1) is provided with taper spiral shell
Stricture of vagina, described connecting portion (2) is provided with least two measured holes (3) being used for placing detection ruler (4), and described connecting portion (2) is upper remote
The plane being the central shaft perpendicular to described fixed part (1) from the end face of described fixed part (1).
2. end surface of screw hole arrangement for measuring verticality according to claim 1 is it is characterised in that described measured hole (3) is at least four
Individual.
3. end surface of screw hole arrangement for measuring verticality according to claim 2 is it is characterised in that all described measured holes (3) and institute
The spacing stating the central shaft of fixed part (1) is identical, and described measured hole (3) spaced set is in described plane.
4. end surface of screw hole arrangement for measuring verticality according to claim 3 is it is characterised in that the range of taper of described taper thread
For 1:40 to 1:100.
5. end surface of screw hole arrangement for measuring verticality according to claim 4 is it is characterised in that described taper thread is 1:50 tapers
Screw thread.
6. end surface of screw hole arrangement for measuring verticality according to claim 4 is it is characterised in that described connecting portion (2) is solid with described
Determine portion (1) and be integrated part.
7. the end surface of screw hole arrangement for measuring verticality according to claim 1 to 6 any one it is characterised in that also include for
Described detection ruler (4) in described measured hole (3).
8. end surface of screw hole arrangement for measuring verticality according to claim 7 is it is characterised in that described detection ruler (4) is depth thousand
Divide chi.
9. end surface of screw hole arrangement for measuring verticality according to claim 7 is it is characterised in that described fixed part (1) and described company
Socket part (2) is wearing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900669.0U CN206002037U (en) | 2016-08-18 | 2016-08-18 | End surface of screw hole arrangement for measuring verticality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900669.0U CN206002037U (en) | 2016-08-18 | 2016-08-18 | End surface of screw hole arrangement for measuring verticality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002037U true CN206002037U (en) | 2017-03-08 |
Family
ID=58199081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620900669.0U Expired - Fee Related CN206002037U (en) | 2016-08-18 | 2016-08-18 | End surface of screw hole arrangement for measuring verticality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002037U (en) |
-
2016
- 2016-08-18 CN CN201620900669.0U patent/CN206002037U/en not_active Expired - Fee Related
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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: 20170308 Termination date: 20200818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |