CN103499314A - Detection device of valve pocket oil groove - Google Patents

Detection device of valve pocket oil groove Download PDF

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Publication number
CN103499314A
CN103499314A CN201310375611.XA CN201310375611A CN103499314A CN 103499314 A CN103499314 A CN 103499314A CN 201310375611 A CN201310375611 A CN 201310375611A CN 103499314 A CN103499314 A CN 103499314A
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CN
China
Prior art keywords
valve pocket
oil groove
jet nozzle
nozzle bore
measuring instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310375611.XA
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Chinese (zh)
Inventor
董钢涛
张黎明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Green Precision Components Suzhou Co Ltd
Original Assignee
Green Precision Components Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Green Precision Components Suzhou Co Ltd filed Critical Green Precision Components Suzhou Co Ltd
Priority to CN201310375611.XA priority Critical patent/CN103499314A/en
Publication of CN103499314A publication Critical patent/CN103499314A/en
Pending legal-status Critical Current

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Abstract

The invention provides a detection device of a valve pocket oil groove. The detection device of the valve pocket oil groove comprises a base. The base is provided with a locating shaft. Eight long-strip-shaped convex ribs are evenly distributed on the peripheral face of the locating shaft. A locating block is arranged on the base. The front end face of each long-strip-shaped convex rib is provided with a first pneumatic gauge head nozzle hole. The first pneumatic gauge head nozzle holes are connected with a first pneumatic measuring instrument. The two side faces of each long-strip-shaped convex rib are respectively provided with a second pneumatic gauge head nozzle hole, wherein the two second pneumatic gauge head nozzle holes are opposite in position. The second pneumatic gauge head nozzle holes are connected with a second pneumatic measuring instrument. By the adoption of the detection device, the depth and the degree of symmetry of the valve pocket oil groove and the fact whether the position relation between the valve pocket oil groove and a locating basic hole meets the product requirement or not can be detected rapidly, quality of outgoing products is improved effectively, working efficiency is improved effectively and labor intensity of detection personnel is relieved.

Description

A kind of valve pocket oil groove pick-up unit
Technical field
The present invention relates to a kind of valve pocket oil groove pick-up unit, particularly relate to a kind of device can be simultaneously valve pocket oil groove symmetry, the valve pocket oil groove degree of depth and valve pocket oil groove and datum hole position relationship 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.The inner peripheral surface of valve pocket is provided with eight equally distributed oil grooves, and 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 according to the position of datum hole, process eight oil grooves on the inner peripheral surface of valve pocket, the degree of depth of valve pocket finishing bathtray can cause certain influence to the oil pressure of each oil circuit; For the ease of follow-up assembling, the position relationship between oil groove and valve pocket datum hole also should meet the requirements simultaneously; Have in order to guarantee the unobstructed of hydraulic oil oil circuit, eight oil grooves must be uniformly distributed on the inner peripheral surface of valve pocket again, and eight oil grooves must be along the center line symmetry of valve pocket.In order to guarantee the quality of valve pocket, be necessary that the position relationship between symmetry, the valve pocket oil groove degree of depth and valve pocket oil groove and the datum hole to the valve pocket oil groove is detected.Yet, because the oil groove of valve pocket is positioned at inner peripheral surface, the position relationship detected between the oil groove degree of depth, valve pocket oil groove symmetry and oil groove and datum hole is very inconvenient.Adopt existing pick-up unit generally can only be detected the position between the degree of depth, valve pocket oil groove symmetry and valve pocket oil groove and the datum hole of valve pocket oil groove respectively, and detecting step is comparatively loaded down with trivial details, therefore be difficult to valve pocket is tested one by one in actual production process, so just likely subsequent production brought to hidden danger of quality.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of device that can simultaneously be detected the position between the degree of depth, valve pocket oil groove symmetry and valve pocket oil groove and the datum hole of valve pocket oil groove in view of the above.
Reach for achieving the above object other relevant purposes, the invention provides a kind of valve pocket oil groove pick-up unit, 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 pick-up unit comprises a base, described base is provided with a locating shaft, described locating shaft diameter is identical with the valve pocket internal diameter, the outer peripheral face of described locating shaft is provided with eight equally distributed strip convex tendons, also be provided with a positioning block on described base, when described valve pocket is enclosed within on described locating shaft, the position of described locating piece is corresponding with described positioning datum hole site, the front end face of described strip convex tendon is provided with the first plug jet nozzle bore, when described valve pocket is enclosed within on described locating shaft, the opening of described the first plug jet nozzle bore is relative with the bottom of oil groove, described the first plug jet nozzle bore is connected with the first pneumatic measuring instrument, two sides of described strip convex tendon are respectively equipped with second a plug jet nozzle bore, two the second plug jet nozzle bore positions are relative, described the second plug jet nozzle bore is connected with the second pneumatic measuring instrument.
Preferably, the both sides of described locating piece are respectively equipped with the 3rd plug jet nozzle bore, and two the 3rd plug jet nozzle bore positions are relative, and described the 3rd plug jet nozzle bore is connected with the 3rd pneumatic measuring instrument.
Preferably, described the first pneumatic measuring instrument, the second pneumatic measuring instrument, the 3rd pneumatic measuring instrument are the float type pneumatic measuring instrument.
Preferably, the xsect of described strip convex tendon is trapezoidal, and the thickness of described strip convex tendon is less than the degree of depth of valve pocket finishing bathtray.
As mentioned above, valve pocket oil groove pick-up unit of the present invention has following beneficial effect: this pick-up unit 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, eight convex tendons on locating shaft are inserted respectively in eight oil grooves of valve pocket, valve pocket glides along locating shaft, whether can be embedded in the datum hole of valve pocket according to the locating piece on base, just can judge that the relation between this valve pocket oil groove and datum hole conforms to quality requirements; The first plug jet nozzle bore on the strip convex tendon is connected with the first pneumatic measuring instrument, and the first plug jet nozzle bore is relative with the bottom of oil groove, gas by the ejection of plug jet nozzle bore just can act on the oil groove bottom, so just can calculate the distance of this strip convex tendon front end face apart from the oil groove bottom, and then whether the oil groove degree of depth that can judge in valve pocket meets the requirements; The second plug jet nozzle bore on the strip convex tendon is connected with the second pneumatic measuring instrument, gas by the second plug jet nozzle bore ejection just can act on two sides of oil groove like this, so just can calculate this strip convex tendon apart from the distance between two sides of oil groove, and then whether the oil groove that can judge in valve pocket is symmetrical.But adopt the position relationship between this pick-up unit fast detecting valve pocket oil groove degree of depth, valve pocket oil groove symmetry and 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; This pick-up unit can be detected the position relationship between the valve pocket oil groove degree of depth, valve pocket oil groove symmetry and valve pocket oil groove and positioning datum hole simultaneously, can effectively increase work efficiency, and reduces testing staff's labour intensity.
The accompanying drawing explanation
The structural representation of Fig. 1 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 shaft.
The connection diagram that Fig. 4 is embodiment of the present invention strip convex tendon and the first pneumatic measuring instrument.
The connection diagram that Fig. 5 is embodiment of the present invention strip convex tendon and the second pneumatic measuring instrument.
The connection diagram that Fig. 6 is embodiment of the present invention locating piece and the 3rd pneumatic measuring instrument.
The element numbers explanation
1 base
2 locating shafts
3 strip convex tendons
31 first vertical air holes
32 first plug jet nozzle bores
33 front end faces
34 second vertical air holes
35 second plug jet nozzle bores
4 locating pieces
41 the 3rd plug jet nozzle bores
5 valve pockets
51 positioning datum holes
6 first pneumatic measuring instruments
7 second pneumatic measuring instruments
8 the 3rd pneumatic measuring instruments
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. 6.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.
As shown in Figure 1, the invention provides a kind of pick-up unit for the valve pocket oil groove, the valve pocket detected 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 pick-up unit is exactly to determine that the relation between eight oil grooves and this positioning datum hole and each valve pocket oil groove degree of depth on valve pocket, valve pocket oil groove symmetry are whether within being defined as error range.
As shown in Figure 2,3, 4, valve pocket oil groove structure of the detecting device comprises a base 1, base 1 is provided with a locating shaft 2, locating shaft 2 diameters are identical with the valve pocket internal diameter, the outer peripheral face of locating shaft 2 is provided with eight equally distributed strip convex tendons 3, also is provided with a positioning block 4 on base 1, when valve pocket 5 is enclosed within on locating shaft 2, the position of locating piece 4 is corresponding with 51 positions, positioning datum hole, and locating piece 4 can just be stuck in positioning datum hole 51.Be provided with the first plug jet nozzle bore 32 on the front end face 33 of strip convex tendon 3, when valve pocket 5 is enclosed within on locating shaft 2, the opening of the first plug jet nozzle bore 32 is relative with the bottom of valve pocket 5 finishing bathtray, strip convex tendon 3 is provided with first vertical air hole 31, and the first plug jet nozzle bore 32 on each strip convex tendon is by being connected with each self-corresponding first pneumatic measuring instrument 6 corresponding vertically air hole 31.
As shown in Figure 5, two sides at strip convex tendon 3 are respectively equipped with the second plug jet nozzle bore 35, two plug jet nozzle bore 35 positions are relative, also are provided with the vertical air hole 31 of second vertical air hole 34, the first on strip convex tendon 3 and are not communicated with second vertical air hole 34.The second plug jet nozzle bore 35 on each strip convex tendon is by being connected with each self-corresponding second pneumatic measuring instrument 7 corresponding second vertical air hole 34.
This pick-up unit 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, eight convex tendons on locating shaft 2 are inserted in respectively in eight oil grooves of valve pocket inner peripheral surface, 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 positioning datum hole 51 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.
For the ease of strip convex tendon 3, insert, the xsect of strip convex tendon 3 can be set to trapezoidal, and locating shaft 2 diameters are identical with the valve pocket internal diameter, and the thickness of strip convex tendon 3 is less than the degree of depth of valve pocket finishing bathtray.When strip convex tendon 3 is inserted in oil groove, the first plug jet nozzle bore 32 on the strip convex tendon is connected with the first pneumatic measuring instrument 6, the gas that the first plug jet nozzle bore 32 outwards sprays is applied to the bottom of oil groove, the relation that the first pneumatic measuring instrument 6 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 these strip convex tendon 3 front end faces 33 apart from the distance between the oil groove bottom, this distance is added to the thickness of strip convex tendon 3 can determine the degree of depth of valve pocket oil groove.
In like manner, the second plug jet nozzle bore 35 on the strip convex tendon is connected with the second pneumatic measuring instrument 7, the the second plug jet nozzle bore 35 outwards gas of ejection is applied on two sides of oil groove, the relation that the second pneumatic measuring instrument 7 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 this strip convex tendon 3 apart from the distance between two sides of oil groove, and then whether the oil groove that can judge in valve pocket is symmetrical.
As shown in Figure 6, the 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 the 3rd plug jet nozzle bore 41 positions of the 3rd 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 4 should be less than the width in positioning datum hole 51.The 3rd plug jet nozzle bore 41 is connected with the 3rd pneumatic measuring instrument 8, and the 3rd plug jet nozzle bore 41 outwards gas of ejection is applied on two sides in positioning datum hole 51.The relation that the 3rd pneumatic measuring instrument 8 is in proportion according to gas flow, pressure and relative gap, and the relation that gaseous tension and flow become to send out ratio calculates the 3rd 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.
Select the float type pneumatic measuring instrument for the ease of observing the first pneumatic measuring instrument 6, the second pneumatic measuring instrument 7, the 3rd pneumatic measuring instrument 8, 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 whether position relationship and oil groove symmetry between oil groove and positioning datum hole 51 meet the demands.Locating piece 4 can be arranged to cylindrical, and the 3rd plug jet nozzle bore 41 is arranged to the pore parallel with axis, and the length of the 3rd 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 the 3rd 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 pick-up unit 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, eight convex tendons on locating shaft are inserted respectively in eight oil grooves of valve pocket, valve pocket glides along locating shaft, whether can be embedded in the datum hole of valve pocket according to the locating piece on base, just can judge that the relation between this valve pocket oil groove and datum hole conforms to quality requirements; The first plug jet nozzle bore on the strip convex tendon is connected with the first pneumatic measuring instrument, and the first plug jet nozzle bore is relative with the bottom of oil groove, gas by the ejection of plug jet nozzle bore just can act on the oil groove bottom, so just can calculate the distance of this strip convex tendon front end face apart from the oil groove bottom, and then whether the oil groove degree of depth that can judge in valve pocket meets the requirements; The second plug jet nozzle bore on the strip convex tendon is connected with the second pneumatic measuring instrument, gas by the second plug jet nozzle bore ejection just can act on two sides of oil groove like this, so just can calculate this strip convex tendon apart from the distance between two sides of oil groove, and then whether the oil groove that can judge in valve pocket is symmetrical.But adopt the position relationship between this pick-up unit fast detecting valve pocket oil groove degree of depth, valve pocket oil groove symmetry and 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; This pick-up unit can be detected the position relationship between the valve pocket oil groove degree of depth, valve pocket oil groove symmetry and valve pocket oil groove and positioning datum hole simultaneously, can effectively increase work efficiency, and reduces testing staff's labour intensity.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. a valve pocket oil groove pick-up unit, 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 pick-up unit comprises a base, described base is provided with a locating shaft, described locating shaft diameter is identical with the valve pocket internal diameter, the outer peripheral face of described locating shaft is provided with eight equally distributed strip convex tendons, also be provided with a positioning block on described base, when described valve pocket is enclosed within on described locating shaft, the position of described locating piece is corresponding with described positioning datum hole site, the front end face of described strip convex tendon is provided with the first plug jet nozzle bore, when described valve pocket is enclosed within on described locating shaft, the opening of described the first plug jet nozzle bore is relative with the bottom of oil groove, described the first plug jet nozzle bore is connected with the first pneumatic measuring instrument, two sides of described strip convex tendon are respectively equipped with second a plug jet nozzle bore, two the second plug jet nozzle bore positions are relative, described the second plug jet nozzle bore is connected with the second pneumatic measuring instrument.
2. a kind of valve pocket oil groove pick-up unit according to claim 1, it is characterized in that: the both sides of described locating piece are respectively equipped with the 3rd plug jet nozzle bore, two the 3rd plug jet nozzle bore positions are relative, and described the 3rd plug jet nozzle bore is connected with the 3rd pneumatic measuring instrument.
3. a kind of valve pocket oil groove pick-up unit according to claim 2, it is characterized in that: described the first pneumatic measuring instrument, the second pneumatic measuring instrument, the 3rd pneumatic measuring instrument are the float type pneumatic measuring instrument.
4. a kind of valve pocket oil groove pick-up unit according to claim 1, it is characterized in that: the xsect of described strip convex tendon is trapezoidal, and the thickness of described strip convex tendon is less than the degree of depth of valve pocket finishing bathtray.
CN201310375611.XA 2013-08-26 2013-08-26 Detection device of valve pocket oil groove Pending CN103499314A (en)

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Application Number Priority Date Filing Date Title
CN201310375611.XA CN103499314A (en) 2013-08-26 2013-08-26 Detection device of valve pocket oil groove

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Application Number Priority Date Filing Date Title
CN201310375611.XA CN103499314A (en) 2013-08-26 2013-08-26 Detection device of valve pocket oil groove

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514154A (en) * 2019-08-30 2019-11-29 中国航发动力股份有限公司 A method of tapered hole is measured for the air measuring device of tapered hole and using it

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2008298422A (en) * 2007-05-29 2008-12-11 Nidec Tosok Corp Internal diameter measuring nozzle
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
CN101451828A (en) * 2008-12-19 2009-06-10 上海诺玛液压系统有限公司 Valve sleeve hole measuring frock of electrohydraulic servo valve
CN201787928U (en) * 2010-08-27 2011-04-06 广东鸿特精密技术股份有限公司 High-precision pneumatic gauge for measuring bore diameter
CN202350755U (en) * 2011-12-07 2012-07-25 重庆志成机械股份有限公司 Detection device for detecting valve seat sealing surface and valve guide pipe of engine
CN202847803U (en) * 2012-10-23 2013-04-03 浙江龙纪汽车零部件有限公司 Steering engine valve sleeve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2008298422A (en) * 2007-05-29 2008-12-11 Nidec Tosok Corp Internal diameter measuring nozzle
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
CN101451828A (en) * 2008-12-19 2009-06-10 上海诺玛液压系统有限公司 Valve sleeve hole measuring frock of electrohydraulic servo valve
CN201787928U (en) * 2010-08-27 2011-04-06 广东鸿特精密技术股份有限公司 High-precision pneumatic gauge for measuring bore diameter
CN202350755U (en) * 2011-12-07 2012-07-25 重庆志成机械股份有限公司 Detection device for detecting valve seat sealing surface and valve guide pipe of engine
CN202847803U (en) * 2012-10-23 2013-04-03 浙江龙纪汽车零部件有限公司 Steering engine valve sleeve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110514154A (en) * 2019-08-30 2019-11-29 中国航发动力股份有限公司 A method of tapered hole is measured for the air measuring device of tapered hole and using it
CN110514154B (en) * 2019-08-30 2021-01-26 中国航发动力股份有限公司 Pneumatic measuring device for taper hole and method for measuring taper hole by using same

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Application publication date: 20140108