CN103499317A - Inspection device for detecting symmetry degree of oil grooves of valve sleeve - Google Patents
Inspection device for detecting symmetry degree of oil grooves of valve sleeve Download PDFInfo
- Publication number
- CN103499317A CN103499317A CN201310375614.3A CN201310375614A CN103499317A CN 103499317 A CN103499317 A CN 103499317A CN 201310375614 A CN201310375614 A CN 201310375614A CN 103499317 A CN103499317 A CN 103499317A
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- China
- Prior art keywords
- valve pocket
- oil grooves
- pneumatic measuring
- locating shaft
- valve sleeve
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Abstract
The invention provides an inspection device for detecting the symmetry degree of oil grooves of a valve sleeve. The inspection device comprises a base. A locating shaft is arranged on the base, two or four or eight strip-shaped protruding ribs are evenly distributed on the peripheral surface of the locating shaft, the two side faces of each strip-shaped protruding rib are respectively provided with a pneumatic measuring head nozzle hole, and the pneumatic measuring head nozzle holes of each strip-shaped protruding rib are connected with a pneumatic measuring instrument. When the inspection device is used, the valve sleeve to be detected is arranged on the locating shaft in a sleeved mode, the strip-shaped protruding ribs on the locating shaft are inserted into the oil grooves of the valve sleeve, thus, gas ejected through the pneumatic measuring head nozzle holes can act on the two side edges of the oil grooves, in this way, the distance between the strip-shaped protruding ribs and the two side edges of the oil grooves can be calculated, and then whether the oil grooves in the valve sleeve are symmetric can be judged. By using the inspection device, whether the symmetry degree of the oil grooves of the valve sleeve meets product requirements can be quickly 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 for detection of valve pocket oil groove symmetry.
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 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, and eight oil grooves must be along the center line symmetry of valve pocket.In the valve pocket production run, after machining, the oil groove on valve pocket preferably can the symmetry of valve pocket oil groove be detected, with the quality of determining valve pocket, whether meet the requirements.Because oil groove is positioned on the inner peripheral surface of valve pocket and valve pocket is circular configuration, the symmetry step that adopts existing cubing to detect the valve pocket oil groove is comparatively loaded down with trivial details, and the valve pocket be difficult to producing is tested one by one, so just likely subsequent production is 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 cubing that can be detected valve pocket oil groove symmetry fast 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 symmetry, the inner peripheral surface of described valve pocket is provided with eight equally distributed oil grooves, this cubing comprises a base, described base is provided with a locating shaft, be provided with two, four or eight equally distributed strip convex tendons on the outer peripheral face of described locating shaft, two sides of described strip convex tendon 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.
Preferably, the xsect of described strip convex tendon is trapezoidal.
Preferably, described pneumatic measuring instrument is the float type pneumatic measuring instrument.
Preferably, described strip convex tendon is provided with a vertical air hole, and described plug jet nozzle bore is connected with pneumatic measuring instrument by described vertical air hole.
As mentioned above, cubing for detection of valve pocket oil groove symmetry of the present invention has following beneficial effect: this cubing in use, the valve pocket that will detect is enclosed within on locating shaft, strip convex tendon on locating shaft is inserted in the oil groove of valve pocket, plug jet nozzle bore on the strip convex tendon is connected with pneumatic measuring instrument, gas by the ejection of plug jet nozzle bore 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 symmetry of this cubing fast detecting valve pocket oil groove whether to meet product requirement, can effectively improve the quality of the product that dispatches from the factory.
The accompanying drawing explanation
The one-piece construction schematic diagram that Fig. 1 is the embodiment of the present invention
The structural representation that Fig. 2 is embodiment of the present invention locating shaft.
The connection diagram that Fig. 3 is embodiment of the present invention strip convex tendon and pneumatic measuring instrument.
Fig. 4 is the structural representation that the embodiment of the present invention is used state.
The element numbers explanation
1 base
2 locating shafts
3 strip convex tendons
31 vertical air holes
32 plug jet nozzle bores
4 valve pockets
5 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. 4.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 symmetry, for detection of the inner peripheral surface of valve pocket be provided with eight equally distributed oil grooves, whether the purpose of using this cubing is symmetrical in order to detect on the valve pocket inner peripheral surface eight oil grooves.
As shown in Figure 1, 2, 3, this cubing comprises a base 1, is provided with a locating shaft 2 on base 1, is provided with four equally distributed strip convex tendons 3 on the outer peripheral face of locating shaft 2.Two sides at strip convex tendon 3 are respectively equipped with a plug jet nozzle bore 32, two plug jet nozzle bore 32 positions are relative, strip convex tendon 3 is provided with a vertical air hole 31, and the plug jet nozzle bore 32 on each strip convex tendon is by being connected with each self-corresponding pneumatic measuring instrument 5 corresponding vertically air hole 31.For the ease of observing numerical value, pneumatic measuring instrument 5 adopts 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 whether the symmetry of oil groove meets the demands.
As shown in Figure 4, in use, the valve pocket 4 that will detect is enclosed within on locating shaft 2 this cubing, and four strip convex tendons 3 on locating shaft 2 are inserted in respectively in 4 four oil grooves spaced apart of valve pocket, for the ease of strip convex tendon 3, insert, the xsect of strip convex tendon 3 can be set to trapezoidal.Plug jet nozzle bore 32 on the strip convex tendon is connected with pneumatic measuring instrument 5, the plug jet nozzle bore 32 outwards gas of ejection is applied on two sides of oil groove, the relation that pneumatic measuring instrument 5 can be in proportion according to gas flow, pressure and relative gap, whether 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 it is symmetrical to judge in valve pocket these four oil grooves.Then valve pocket is extracted from locating shaft 2, be enclosed within again on locating shaft 2 after rotating 45 °, just can to other four oil grooves in valve pocket, whether symmetry be detected.
On locating shaft 2, the number of strip convex tendon 3 can also be set to two or eight, and two strip convex tendons 3 are set on locating shaft needs four ability that the symmetry of this valve pocket oil groove has been detected; If eight strip convex tendons 3 are set on locating shaft only need, once just the symmetry of this valve pocket oil groove can have been detected.But adopt the symmetry of this cubing fast detecting valve pocket oil groove 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 symmetry, the inner peripheral surface of described valve pocket is provided with eight equally distributed oil grooves, it is characterized in that: this cubing comprises a base, described base is provided with a locating shaft, be provided with two, four or eight equally distributed strip convex tendons on the outer peripheral face of described locating shaft, two sides of described strip convex tendon 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.
2. the cubing for detection of valve pocket oil groove symmetry according to claim 1, it is characterized in that: the xsect of described strip convex tendon is trapezoidal.
3. the cubing for detection of valve pocket oil groove symmetry 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 symmetry according to claim 1, it is characterized in that: described strip convex tendon is provided with a vertical air hole, and described plug jet nozzle bore is connected with pneumatic measuring instrument by described vertical air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375614.3A CN103499317A (en) | 2013-08-26 | 2013-08-26 | Inspection device for detecting symmetry degree of oil grooves of valve sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375614.3A CN103499317A (en) | 2013-08-26 | 2013-08-26 | Inspection device for detecting symmetry degree of oil grooves of valve sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103499317A true CN103499317A (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375614.3A Pending CN103499317A (en) | 2013-08-26 | 2013-08-26 | Inspection device for detecting symmetry degree of oil grooves of valve sleeve |
Country Status (1)
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| CN (1) | CN103499317A (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 (7)
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|---|---|---|---|---|
| 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 |
-
2013
- 2013-08-26 CN CN201310375614.3A patent/CN103499317A/en active Pending
Patent Citations (7)
| 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 (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: 20140108 |