CN101451557A - Flow detection frock for nozzle restrictor in electro-hydraulic servo valve - Google Patents
Flow detection frock for nozzle restrictor in electro-hydraulic servo valve Download PDFInfo
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- CN101451557A CN101451557A CNA2007101715139A CN200710171513A CN101451557A CN 101451557 A CN101451557 A CN 101451557A CN A2007101715139 A CNA2007101715139 A CN A2007101715139A CN 200710171513 A CN200710171513 A CN 200710171513A CN 101451557 A CN101451557 A CN 101451557A
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- gas
- head
- nozzle restrictor
- endoporus
- restrictor
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Abstract
The present invention discloses a fixture used for detect restrictor flow quantity of spray nozzle in electrohydraulic servo valve, which includes a upper air connector and a lower air connector wherein a one-stage ladder shaped inner air hole with upside big and downside small on central end face of the upper air connector; helical burr is set on the lower hole cavity wall of the inner air hole which can be connected with foot section of the spray nozzle restrictor; helical burr is set on lower part of its external surface; an inner blowhole is set on central end face of the lower air connector; the inner blowhole is a two-stage shoulder hole with upside big and downside small; helical burr is set on the upper hole cavity wall of inner blowhole which can be connected with lower part of the external surface of the upper air connector; the head section of the spray nozzle restrictor can be placed inside the middle hole cavity; the diameter of lower hole equals to that of central through hole of the spray nozzle restrictor. The fixture used for detect restrictor flow quantity of spray nozzle has advantages like accurate detection, good assemble quality, good operability, strong universality and long service life etc.
Description
Technical field
The present invention relates to a kind of flow detection frock that is used for the electrohydraulic control nozzle restrictor.
Background technique
Electrohydraulic control has experienced 50 years in the development of international professional domain, and the occasion of application also more and more widely.Yet the research of servovalve and manufacturing also are in a relatively backward state at home, the context of detection of part, and technical merit is also very big with external gap.Flow detection aspect for existing electrohydraulic control also exists problems and defective, and many piece test are difficulty relatively, poor operability, the detection mode complexity of nozzle restrictor wherein particularly, not accurate enough, the result causes repetitive operation, severe patient then causes part or parts to scrap, waste of manpower, material resources, financial resources further then cause adverse effect to the entire product performance, cause the test poor effect of valve, directly influence the overall performance of electrohydraulic control, influence factory's benefit.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, a kind of flow detection frock that is used for the electrohydraulic control nozzle restrictor simply, reliably is provided.
The objective of the invention is to be achieved: a kind of flow detection frock that is used for the electrohydraulic control nozzle restrictor by following technological scheme, described nozzle restrictor is made of head and the afterbody that is connected the head tail end, its head outer surface is a conical rod that little tail is big, and the afterbody outer surface is a cylindrical screw and its diameter maximum diameter less than head, has a central through bore on its end face, described flow detection frock comprises a gas joint and a therapeutic method to keep the adverse qi flowing downward joint on one, wherein, the end face central authorities that connect the gas head on described are provided with a up big and down small one-level stepped shaft and connect the gas endoporus, this following vestibule wall that connects the gas endoporus is provided with the screw thread that can be connected with the afterbody of nozzle restrictor, and the bottom of its outer surface is provided with screw thread; The end face central authorities of described therapeutic method to keep the adverse qi flowing downward joint are provided with a ventilation endoporus, this ventilation endoporus is a up big and down small secondary shoulder hole, the last vestibule wall of this ventilation endoporus be provided with can with on connect the screw thread that the bottom of the outer surface of gas head is connected, can settle the head of nozzle restrictor in the middle vestibule, the diameter in following hole equals the diameter of the central through bore of nozzle restrictor; The head of described nozzle restrictor down is placed in the middle vestibule of therapeutic method to keep the adverse qi flowing downward joint, the following hole that connects the gas endoporus of the afterbody of described nozzle restrictor and last gas joint spins, connect the lower external face of gas head and the last hole of therapeutic method to keep the adverse qi flowing downward joint on described and spin, so that the central through bore of nozzle restrictor is communicated with the ventilation endoporus that connects gas endoporus and therapeutic method to keep the adverse qi flowing downward joint of last gas joint respectively and is coaxial.
The above-mentioned flow detection frock that is used for the electrohydraulic control nozzle restrictor, wherein, described flow detection frock also comprises a rubber ring and a rubber pad, described rubber ring set be contained in the afterbody of nozzle restrictor and be placed in the step surface in last hole of therapeutic method to keep the adverse qi flowing downward joint and the bottom surface of last gas joint between, it closely contacts with the last vestibule wall that connects the gas head down; Described rubber pad has the endoporus that a diameter equals the central through bore diameter of nozzle restrictor, it closely contacts with the middle vestibule wall that connects the gas head down, it is placed between the head end of the step surface of mesopore of therapeutic method to keep the adverse qi flowing downward joint and nozzle restrictor, so that its endoporus is communicated with the aperture of the central through bore of nozzle restrictor and therapeutic method to keep the adverse qi flowing downward joint respectively and is coaxial.
The flow detection frock that is used for the electrohydraulic control nozzle restrictor of the present invention has simple in structure, advantage such as operability good, highly versatile and long service life.
Description of drawings
Fig. 1 is the schematic representation of the user mode of the flow detection frock that is used for the electrohydraulic control nozzle restrictor of the present invention;
Embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing:
See also Fig. 1, nozzle restrictor 1 in the electrohydraulic control is made of head 11 and the afterbody 12 that is connected head 11 tail ends, its head 11 outer surfaces are a conical rod that little tail is big, and afterbody 12 outer surfaces be a cylindrical screw and its diameter less than the maximum diameter of head 11, have a central through bore 10 on the end face of nozzle restrictor 1.
The flow detection frock that is used for the electrohydraulic control nozzle restrictor of the present invention comprises gas joint 2, a therapeutic method to keep the adverse qi flowing downward joint 3, a rubber ring 4 and a rubber pad 5 on one, wherein,
On connect gas head 2 end face central authorities be provided with a up big and down small one-level stepped shaft and connect gas endoporus 20, these following hole 201 chamber walls that connect gas endoporus 20 are provided with the screw thread that can be connected with the afterbody 12 of nozzle restrictor 1, the bottom of its outer surface 21 is provided with screw thread;
The end face central authorities of therapeutic method to keep the adverse qi flowing downward joint 3 are provided with a ventilation endoporus 30, this ventilation endoporus 30 is a up big and down small secondary shoulder hole, the last hole 301 chamber walls of this ventilation endoporus 30 be provided with can with on connect the screw thread that the bottom of the outer surface 21 of gas head 2 is connected, can settle the head 11 of nozzle restrictor 1 in mesopore 302 chambeies, the diameter in following hole 303 equals the diameter of the central through bore 10 of nozzle restrictor 1;
The head 11 of nozzle restrictor 1 down is placed in mesopore 302 chambeies of therapeutic method to keep the adverse qi flowing downward joint 3, the afterbody 12 of this nozzle restrictor 1 spins with the following hole 201 that connects gas endoporus 20 of last gas joint 2, on connect the bottom of outer surface 21 of gas head 2 and the last hole 301 of therapeutic method to keep the adverse qi flowing downward joint 3 spins so that the central through bore 10 of nozzle restrictor 1 is communicated with the ventilation endoporus 30 that connects gas endoporus 20 and therapeutic method to keep the adverse qi flowing downward joint 3 of last gas joint 2 respectively and is coaxial.
The assembly method that is used for the flow detection frock of electrohydraulic control nozzle restrictor of the present invention is:
At first rubber pad 5 is put into down on the step surface that connects gas head 3 mesopores 302, required to set level steady;
Secondly will on connect gas head 2 and turn around and place vertically, in the middle of allowing rubber ring 4 be sleeved on the afterbody 12 of nozzle restrictor 1 and the tail plane of nozzle restrictor 1 being put into down on the last hole step surface that connects gas head 3, in that the nozzle afterbody is screwed in the following hole 201 of the endoporus 20 that connects gas head 2, require threaded together;
At last, again on connect the gas head and turn around just to put and be screwed into down in the last hole 301 that connects gas head 3 threaded together.
So far, the assembling work of the frock of nozzle restrictor flow detection is finished in the electrohydraulic control, inserts the source of the gas that regulations require at the last gas head 2 of connecing, connect down gas head 3 incoming stream scales just can measure nozzle restrictor 1 flow how much.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, the present invention can also change and more mode, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention the above embodiment's variation, modification.
Claims (2)
1, a kind of flow detection frock that is used for the electrohydraulic control nozzle restrictor, described nozzle restrictor is made of head and the afterbody that is connected the head tail end, its head outer surface is a conical rod that little tail is big, and the afterbody outer surface is a cylindrical screw and its diameter maximum diameter less than head, has a central through bore on its end face, described flow detection frock comprises a gas joint and a therapeutic method to keep the adverse qi flowing downward joint on one, it is characterized in that
The end face central authorities that connect the gas head on described are provided with a up big and down small one-level stepped shaft and connect the gas endoporus, and this following vestibule wall that connects the gas endoporus is provided with the screw thread that can be connected with the afterbody of nozzle restrictor, and the bottom of its outer surface is provided with screw thread;
The end face central authorities of described therapeutic method to keep the adverse qi flowing downward joint are provided with a ventilation endoporus, this ventilation endoporus is a up big and down small secondary shoulder hole, the last vestibule wall of this ventilation endoporus be provided with can with on connect the screw thread that the bottom of the outer surface of gas head is connected, can settle the head of nozzle restrictor in the middle vestibule, the diameter in following hole equals the diameter of the central through bore of nozzle restrictor;
The head of described nozzle restrictor down is placed in the middle vestibule of therapeutic method to keep the adverse qi flowing downward joint, the following hole that connects the gas endoporus of the afterbody of described nozzle restrictor and last gas joint spins, connect the lower external face of gas head and the last hole of therapeutic method to keep the adverse qi flowing downward joint on described and spin, so that the central through bore of nozzle restrictor is communicated with the ventilation endoporus that connects gas endoporus and therapeutic method to keep the adverse qi flowing downward joint of last gas joint respectively and is coaxial.
2, the flow detection frock that is used for the electrohydraulic control nozzle restrictor according to claim 1 is characterized in that, described flow detection frock also comprises a rubber ring and a rubber pad,
Described rubber ring set be contained in the afterbody of nozzle restrictor and be placed in the step surface in last hole of therapeutic method to keep the adverse qi flowing downward joint and the bottom surface of last gas joint between, it closely contacts with the last vestibule wall that connects the gas head down;
Described rubber pad has the endoporus that a diameter equals the central through bore diameter of nozzle restrictor, it closely contacts with the middle vestibule wall that connects the gas head down, it is placed between the head end of the step surface of mesopore of therapeutic method to keep the adverse qi flowing downward joint and nozzle restrictor, so that its endoporus is communicated with the aperture of the central through bore of nozzle restrictor and therapeutic method to keep the adverse qi flowing downward joint respectively and is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710171513 CN101451557B (en) | 2007-11-30 | 2007-11-30 | Flow detection frock for nozzle restrictor in electro-hydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710171513 CN101451557B (en) | 2007-11-30 | 2007-11-30 | Flow detection frock for nozzle restrictor in electro-hydraulic servo valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451557A true CN101451557A (en) | 2009-06-10 |
| CN101451557B CN101451557B (en) | 2013-01-02 |
Family
ID=40733980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710171513 Expired - Fee Related CN101451557B (en) | 2007-11-30 | 2007-11-30 | Flow detection frock for nozzle restrictor in electro-hydraulic servo valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN101451557B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500480A (en) * | 2011-11-02 | 2012-06-20 | 成都彩虹环保科技有限公司 | High-pressure spray nozzle for hot-melt coating |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485420A (en) * | 2015-12-28 | 2016-04-13 | 苏州林信源自动化科技有限公司 | Valve body connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1548562A1 (en) * | 1987-02-20 | 1990-03-07 | Всесоюзный научно-исследовательский и проектно-конструкторский институт металлургического машиностроения им.А.И.Целикова | Sealing device for vessels |
| CN87207118U (en) * | 1987-05-31 | 1988-02-17 | 钱国兴 | Pressure gauge junction |
| CN2081089U (en) * | 1990-09-03 | 1991-07-17 | 东南大学 | In-line detector for vacuity of vacuum switch |
| CN2443329Y (en) * | 2000-06-21 | 2001-08-15 | 黄基财 | Filtering water flow limiting valve |
-
2007
- 2007-11-30 CN CN 200710171513 patent/CN101451557B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500480A (en) * | 2011-11-02 | 2012-06-20 | 成都彩虹环保科技有限公司 | High-pressure spray nozzle for hot-melt coating |
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| CN101451557B (en) | 2013-01-02 |
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Granted publication date: 20130102 Termination date: 20131130 |