CN103486986A - Detection tool for detecting positional relations between valve bush oil grooves and basic hole - Google Patents
Detection tool for detecting positional relations between valve bush oil grooves and basic hole Download PDFInfo
- Publication number
- CN103486986A CN103486986A CN201310374705.5A CN201310374705A CN103486986A CN 103486986 A CN103486986 A CN 103486986A CN 201310374705 A CN201310374705 A CN 201310374705A CN 103486986 A CN103486986 A CN 103486986A
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- valve pocket
- datum hole
- oil groove
- positioning
- oil grooves
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Abstract
The invention provides a detection tool for detecting positional relations between valve bush oil grooves and a basic hole. The open positioning basic hole is formed in one end of a valve bush, and the eight oil grooves are evenly formed in the inner peripheral face of the valve bush. The detection tool for detecting the symmetry degree of the valve bush oil grooves comprises a base, a positioning shaft is arranged on the base, four long strip-shaped protruding ribs are evenly arranged on the outer peripheral face of the positioning shaft, the width of each protruding rib is equal to the width of each oil groove, a positioning block is also arranged on the base, the positioning shaft is sleeved with the sleeve bush, the protruding ribs are inserted into the corresponding oil grooves respectively, and the position of the positioning block corresponds to that of the positioning basic hole. According to the detection tool for detecting the positional relations between the valve bush oil grooves and the basic hole, whether the positional relations between the valve bush oil grooves and the positioning basic hole meet product requirements can be fast detected, and the quality of outgoing products can be effectively improved.
Description
Technical field
The present invention relates to a kind of cubing, particularly relate to a kind of cubing that the valve pocket oil groove that uses on automobile steering system and datum hole relative position are detected.
Background technology
Automobile steering system mainly comprises steering wheel, input shaft, torque arm and power steering hydraulic system.The power steering valve of power steering hydraulic system comprises valve pocket and valve two parts, on valve pocket and spool, is equipped with oilhole, and the oilhole of valve pocket and diverse location on spool is interconnected and can forms the different closed circuit of flow direction.Steering wheel is connected with torque arm by input shaft, and the other end of torque arm is connected with spool.When rotating steering wheel, moment of torsion is passed to torque arm by input shaft, torque arm drives Spool rotating, make spool and valve pocket generation relative motion, will change like this break-make relation of oil duct between valve pocket and spool and the flow direction of hydraulic oil, and then rotate towards different directions by hydraulic gear band motor car wheel.Also be provided with eight equally distributed oil grooves on the inner peripheral surface of valve pocket, oil groove coordinates with the spool outer peripheral face oil circuit that forms hydraulic oil.
In the process that valve pocket is processed, tend at first processing one datum hole on valve pocket, then process eight oil grooves according to the position of datum hole on the inner peripheral surface of valve pocket, article eight, oil groove must be uniformly distributed on the inner peripheral surface of valve pocket, eight oil grooves must be along the center line symmetry of valve pocket, for the ease of follow-up assembling, the position relationship between oil groove and valve pocket datum hole also should meet the requirements simultaneously.Yet because the oil groove of valve pocket is positioned at inner peripheral surface, the position relationship detected between oil groove and datum hole is very inconvenient, existing cubing can not meet testing requirement, also detects hardly the position relationship between oil groove and datum hole on production line at present, will bring hidden danger of quality to subsequent production like this.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of cubing that detects valve pocket oil groove and datum hole position relationship that is specifically designed in view of the above.
Reach for achieving the above object other relevant purposes, the invention provides a kind of cubing for detection of valve pocket oil groove and datum hole position relationship, one end of described valve pocket is provided with the positioning datum hole of an opening, described valve pocket inner peripheral surface is provided with eight equally distributed oil grooves, this valve pocket oil groove symmetry degree gauge comprises a base, described base is provided with a locating shaft, the outer peripheral face of described locating shaft is provided with four equally distributed strip convex tendons, the width of described convex tendon equals the width of described oil groove, also be provided with a positioning block on described base, described valve pocket is enclosed within on described locating shaft and each convex tendon while being inserted in respectively in corresponding oil groove, the position of described locating piece is corresponding with described positioning datum hole site.
Preferably, the both sides of described locating piece are respectively equipped with a plug jet nozzle bore, and two plug jet nozzle bore positions are relative, and described plug jet nozzle bore is connected with pneumatic measuring instrument.
Preferably, described pneumatic measuring instrument is the float type pneumatic measuring instrument.
Preferably, described locating piece is cylindrical.
As mentioned above, the present invention has following beneficial effect for detection of the cubing of valve pocket oil groove and datum hole position relationship: this cubing is in use by the positioning datum hole on valve pocket and the aligned in position of locating piece, then valve pocket is enclosed within on locating shaft, four convex tendons on locating shaft are inserted respectively in four oil grooves spaced apart, valve pocket glides along locating shaft, if the locating piece on base can just be embedded in the datum hole of valve pocket, the relation between this valve pocket oil groove and datum hole that illustrates conforms to quality requirements, and this valve pocket is up-to-standard; As the locating piece on base can not be embedded in the datum hole of valve pocket, illustrate that the relation between this valve pocket oil groove and datum hole does not meet quality requirements, this valve pocket is off quality.But adopt the position relationship between this cubing fast detecting valve pocket oil groove and positioning datum hole whether to meet product requirement, can effectively improve the quality of the product that dispatches from the factory.
The accompanying drawing explanation
The structural representation that Fig. 1 is embodiment of the present invention valve pocket.
Fig. 2 is embodiment of the present invention one-piece construction schematic diagram.
The structural representation that Fig. 3 is embodiment of the present invention locating piece.
The element numbers explanation
1 base
2 locating shafts
3 convex tendons
4 locating pieces
41 plug jet nozzle bores
5 valve pockets
51 positioning datum holes
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.
Refer to Fig. 1 to Fig. 3.Notice, appended graphic the illustrated structure of this instructions, ratio, size etc., equal contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this instructions, quote as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the present invention.
The invention provides a kind of cubing for detection of valve pocket oil groove and datum hole position relationship, the valve pocket that wherein will detect as shown in Figure 1, be provided with the positioning datum hole 51 of an opening at an end of valve pocket 5, and be provided with eight equally distributed oil grooves at the valve pocket inner peripheral surface, the purpose of using this cubing is exactly to determine on valve pocket that the relation between eight oil grooves and this positioning datum hole is whether within being defined as error range.
As shown in Figure 2,3, this valve pocket oil groove symmetry degree gauge comprises a base 1, is provided with a locating shaft 2 on base 1, and the outer peripheral face of locating shaft is provided with four equally distributed strip convex tendons 3, the width of convex tendon 3 equals the width of valve pocket 5 finishing bathtray, also is provided with a positioning block 4 on base 1.For the valve pocket of standard, when valve pocket is enclosed within on locating shaft 2, and each convex tendon on locating shaft is respectively in the corresponding oil groove of socket the time, and the position of locating piece 4 is corresponding with 51 position, positioning datum hole, be valve pocket while pressing down, locating piece 4 can just be stuck in positioning datum hole 51.
This cubing is the aligned in position with locating piece 4 by the positioning datum hole 51 on valve pocket 5 in use, then valve pocket 5 is enclosed within on locating shaft 2, four convex tendons on locating shaft 2 are inserted respectively in four oil grooves spaced apart, valve pocket 5 glides along locating shaft, if the locating piece on base 4 can just be embedded in the positioning datum hole 51 of valve pocket, illustrate that the oil groove of this valve pocket 5 and the relation between the positioning datum hole conform to quality requirements, this valve pocket is up-to-standard; As the locating piece 4 on base 1 can not be embedded in the datum hole 51 of valve pocket, illustrate that the relation between these valve pocket 5 oil grooves and positioning datum hole 51 does not meet quality requirements, this valve pocket is off quality.
Position in actual production process between general only needs assurance oil groove and positioning datum hole 51, in the certain error scope, can assert that this valve pocket conforms to quality requirements.41, two plug jet nozzle bore 41 positions of one plug jet nozzle bore can be set respectively in the both sides of locating piece 4 for this reason should be oppositely arranged, and the width of locating piece should be less than the width in positioning datum hole 51.Plug jet nozzle bore 41 is connected with pneumatic measuring instrument, and the plug jet nozzle bore 41 outwards gas of ejection is applied on two sides in positioning datum hole 51.The relation that pneumatic measuring instrument can be in proportion according to gas flow, pressure and relative gap, and the relation that gaseous tension and flow become to send out ratio calculates plug jet nozzle bore 41 apart from the distance between the side of 51 two, positioning datum hole, thereby judge whether the position relationship between oil groove and positioning datum hole 51 meets the demands.
For convenient, observe, pneumatic measuring instrument can be selected the float type pneumatic measuring instrument, upper limit mark and lower limit mark so only need be set on the taper glass of float type pneumatic measuring instrument, directly observe whether buoy surpasses upper limit mark and the lower limit mark can judge that plug jet nozzle bore 41 is apart from the distance between the side of 51 two, positioning datum hole, and then judge whether the position relationship between oil groove and positioning datum hole 51 meets the demands.Locating piece 4 can be arranged to cylindrical, and plug jet nozzle bore 41 is arranged to the pore parallel with axis, and the length of plug jet nozzle bore 41 should be consistent with the width of 51 two sides in positioning datum hole.Can be convenient to like this locating piece and be inserted in positioning datum hole 51, can make the gas of plug jet nozzle bore 41 ejections be applied to fully on the side in positioning datum hole 51 simultaneously, thereby can effectively improve the precision of measurement.
This cubing is in use by the positioning datum hole on valve pocket and the aligned in position of locating piece, then valve pocket is enclosed within on locating shaft, four convex tendons on locating shaft are inserted respectively in four oil grooves spaced apart, valve pocket glides along locating shaft, if the locating piece on base can just be embedded in the datum hole of valve pocket, the relation between this valve pocket oil groove and datum hole that illustrates conforms to quality requirements, and this valve pocket is up-to-standard; As the locating piece on base can not be embedded in the datum hole of valve pocket, illustrate that the relation between this valve pocket oil groove and datum hole does not meet quality requirements, this valve pocket is off quality.But adopt the position relationship between this cubing fast detecting valve pocket oil groove and positioning datum hole whether to meet product requirement, can effectively improve the quality of the product that dispatches from the factory.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, be modified or be changed above-described embodiment.Therefore, such as in affiliated technical field, have and usually know that the knowledgeable, not breaking away from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (4)
1. the cubing for detection of valve pocket oil groove and datum hole position relationship, one end of described valve pocket is provided with the positioning datum hole of an opening, described valve pocket inner peripheral surface is provided with eight equally distributed oil grooves, it is characterized in that: this valve pocket oil groove symmetry degree gauge comprises a base, described base is provided with a locating shaft, the outer peripheral face of described locating shaft is provided with four equally distributed strip convex tendons, the width of described convex tendon equals the width of described oil groove, also be provided with a positioning block on described base, described valve pocket is enclosed within on described locating shaft and each convex tendon while being inserted in respectively in corresponding oil groove, the position of described locating piece is corresponding with described positioning datum hole site.
2. the cubing for detection of valve pocket oil groove and datum hole position relationship according to claim 1, it is characterized in that: the both sides of described locating piece are respectively equipped with a plug jet nozzle bore, two plug jet nozzle bore positions are relative, and described plug jet nozzle bore is connected with pneumatic measuring instrument.
3. the cubing for detection of valve pocket oil groove and datum hole position relationship according to claim 1, it is characterized in that: described pneumatic measuring instrument is the float type pneumatic measuring instrument.
4. the cubing for detection of valve pocket oil groove and datum hole position relationship according to claim 1, it is characterized in that: described locating piece is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310374705.5A CN103486986A (en) | 2013-08-26 | 2013-08-26 | Detection tool for detecting positional relations between valve bush oil grooves and basic hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310374705.5A CN103486986A (en) | 2013-08-26 | 2013-08-26 | Detection tool for detecting positional relations between valve bush oil grooves and basic hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486986A true CN103486986A (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310374705.5A Pending CN103486986A (en) | 2013-08-26 | 2013-08-26 | Detection tool for detecting positional relations between valve bush oil grooves and basic hole |
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| CN (1) | CN103486986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333842A (en) * | 2015-11-12 | 2016-02-17 | 苏州国量量具科技有限公司 | Positioning-function-contained pneumatic probe for measuring ring gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2282887A (en) * | 1993-10-15 | 1995-04-19 | Sapa Limited | Means detecting relative positions in extrusion apparatus |
| CN1755324A (en) * | 2004-09-30 | 2006-04-05 | 洛阳轴承集团有限公司 | Pneumatic instrument for measuring inside diameter of thin-wall bearing |
| CN101446487A (en) * | 2008-12-11 | 2009-06-03 | 长安汽车（集团）有限责任公司 | Device for measuring parameters of plum blossom petal-shaped inner chamber of product |
| CN202092570U (en) * | 2011-06-20 | 2011-12-28 | 扬州五亭桥缸套有限公司 | Testing fixture |
| CN202382721U (en) * | 2011-12-20 | 2012-08-15 | 烟台思科博量仪有限公司 | Water pump casing multi-parameter pneumatic comprehensive measuring device |
| CN203069166U (en) * | 2013-01-15 | 2013-07-17 | 河南中原吉凯恩气缸套有限公司 | Cylinder liner inner hole detection device |
-
2013
- 2013-08-26 CN CN201310374705.5A patent/CN103486986A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2282887A (en) * | 1993-10-15 | 1995-04-19 | Sapa Limited | Means detecting relative positions in extrusion apparatus |
| CN1755324A (en) * | 2004-09-30 | 2006-04-05 | 洛阳轴承集团有限公司 | Pneumatic instrument for measuring inside diameter of thin-wall bearing |
| CN101446487A (en) * | 2008-12-11 | 2009-06-03 | 长安汽车（集团）有限责任公司 | Device for measuring parameters of plum blossom petal-shaped inner chamber of product |
| CN202092570U (en) * | 2011-06-20 | 2011-12-28 | 扬州五亭桥缸套有限公司 | Testing fixture |
| CN202382721U (en) * | 2011-12-20 | 2012-08-15 | 烟台思科博量仪有限公司 | Water pump casing multi-parameter pneumatic comprehensive measuring device |
| CN203069166U (en) * | 2013-01-15 | 2013-07-17 | 河南中原吉凯恩气缸套有限公司 | Cylinder liner inner hole detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333842A (en) * | 2015-11-12 | 2016-02-17 | 苏州国量量具科技有限公司 | Positioning-function-contained pneumatic probe for measuring ring gauge |
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Application publication date: 20140101 |