CN101692373A - Electromagnet for flame-proof valve - Google Patents
Electromagnet for flame-proof valve Download PDFInfo
- Publication number
- CN101692373A CN101692373A CN200910152694A CN200910152694A CN101692373A CN 101692373 A CN101692373 A CN 101692373A CN 200910152694 A CN200910152694 A CN 200910152694A CN 200910152694 A CN200910152694 A CN 200910152694A CN 101692373 A CN101692373 A CN 101692373A
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- Prior art keywords
- flame
- runddichtringo
- electromagnet
- coil
- magnetic
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 45
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000002528 anti-freeze Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000002706 hydrostatic effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 6
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an electromagnet for a flame-proof valve, comprising a housing whose shell structure is designed into boss shape, wherein the inner thread on the upper part of the housing is screwed with a thread base, the inner cavity of the thread base is provided with a seal element, the upper part of the seal element is provided with a stringing lock block, the outer thread on the upper part of the thread base is screwed with a stringing nut, and the junction of the upper part of the housing and the thread base is provided with a third O-shaped seal ring. When the stringing nut is screwed, a three-core cable and relevant parts are fully sealed and flame-proof due to deformation of the seal element; the middle of the boss-shape housing is provided with a coil component, the left side and the right side are provided with an upper magnet yoke and a lower magnet yoke, the inner bore of the coil component is provided with a magnetic core tube component, and the connection of the electromagnet and the hydraulic directional control valve adopts a mode of thread direct connection so as to obtain convenient and reliable connection; the gap between an armature and guide bushing periphery is provided with magnetic shield cloth which performs the magnetic shield function to emitted magnetic lines of force; and a housing welding line is respectively detected by X rays in a perspective mode and has favourable flame-proof property through a hydrostatic test.
Description
Technical field
The present invention relates to the technical field of coal mine machinery, relate in particular to a kind of electromagnet for flame-proof valve.
Background technology
Mainly there is following problem the electromagnet for flame-proof valve of input application at present in it: guide pin bushing does not have every the magnetic measure with the gap location of armature, and power has a strong impact on the electromagnet integral working performances with the characteristic curve weak effect of stroke; Electromagnet adopts four screw with the type of attachment of valve body, installation and maintenance trouble and the poor reliability that connects; The overcoat design shape is a rectangular structure, and processing trouble and space occupancy volume are big; Seal adopts General Purpose Rubber to make and be shaped as boss shape, loss of properties on aging, and through clamp nut compresses after owing to the sealing property of its reasons in structure after causing compressing is relatively poor; Power input line must unload parts such as clamp clip, clamp nut, sealing block, gasket seal and cage earlier when connecting, comparatively trouble; Solenoid adopts common enamelled wire coiling to form, and resistance to elevated temperatures is relatively poor; In view of above-mentioned factor, the electromagnet for flame-proof valve of developing a new generation has been extremely urgent.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, provides that a kind of power is effective with the characteristic curve of stroke, electromagnet is simple and reliable with the syndeton of valve, compact attractive in appearance, overall sealing performance good, the solenoid resistance to elevated temperatures is good, power line is output as the direct cable formula a kind of electromagnet for flame-proof valve of configuration design.
The present invention addresses the above problem the technical scheme that is adopted: a kind of electromagnet for flame-proof valve, comprise that shell mechanism is designed to the overcoat of boss shape, wherein: the internal thread place on overcoat top is screwed with threaded block, the inner chamber of threaded block is equipped with seal, the stringing briquetting is equipped with on the top of seal, the external screw thread place on threaded block top is screwed with the stringing nut, and the joint of portion and threaded block is equipped with the 3rd O RunddichtringO on the coat.
The measure of taking also comprises:
Coil block is equipped with at the above-mentioned outer cylindrical cavity middle part that is enclosed within, and the left end of overcoat is equipped with upper magnet yoke, and the overcoat right-hand member is equipped with lower yoke, compresses the back sealing with the 2nd O RunddichtringO; On the end face of upper magnet yoke nameplate is housed, with label copper rivet riveted and fixed; The ground connection label fixedly is equipped with pan head screw in the end face bottom of upper magnet yoke; Magnetic core pipe assembly is housed on the endoporus of coil block; Magnetic core pipe assembly inserts the coil block endoporus from the right side, magnetic core pipe assembly left side tighten with fastening nut and through an O RunddichtringO sealing and fixing on yoke; Magnetic core pipe assembly and fastening nut are fitted with and prevent axially movable holding screw.
Above-mentioned coil block includes equipped mutually coil rack, goes out wire casing cover plate, terminal block, three-core cable, binding post, coil; Coil rack is wound with coil, goes out the wire casing cover plate and is positioned at the coil rack outside; Three-core cable one end is fixing with the terminal block welding, and the other end is used for out-put supply; Binding post with fix through the pan head screw of ground connection.
Above-mentioned magnetic core pipe assembly comprises the 4th O RunddichtringO, iron core, push rod, antifreeze plate, every magnetic cloth, armature, guide pin bushing, hand push plate, the 5th O RunddichtringO, poly-tetrafluoro back-up ring; Sealing when the 4th O RunddichtringO is used for flame-proof type flame-proof type valve body is fixedly used; Iron core is shaped on shoulder engaging lower yoke, is used for the connection of magnetic core pipe integral body, and push rod is arranged in the iron core inner chamber, and move left and right during work is used to open spool, and antifreeze plate and be sleeved on the groove that iron core is shaped on every magnetic cloth plays the effect of isolating magnetic field; Armature promotes the push rod move left and right during work; Guide pin bushing and fastening nut are equipped, and the integral body that is used for the magnetic core pipe connects; Be positioned at the handspike in chamber, iron core left side, manual when being used for Installation and Debugging; The 5th O RunddichtringO and poly-tetrafluoro back-up ring are used for the sealing of handspike with guide pin bushing.
Compared with prior art, the present invention has set up every magnetic cloth with the gap location of armature at guide pin bushing, electromagnet adopts the direct type of attachment of screw thread on the magnetic core pipe buting iron with the connection of valve body, the seal profile is designed to taper shape and makes with nitrile rubber, the overcoat design shape is a boss shape, power line is output as the direct cable formula, selects for use high-temperature resistant enamelled wire to turn to solenoid.The invention has the advantages that: every magnetic cloth the magnetic line of force that distributes has been played sufficient iris action, the characteristic curve effect of the ferreous colleague's journey of electromagnetism is significantly taken on a new look, the electromagnet integral working is effectively improved; Electromagnet is with the design of the direct screw-type syndeton of valve body, and is convenient for installation and maintenance and connection reliability good; With conical seal sealing property height after screw thread compresses that nitrile rubber is made, ageing-resistant degree is good; The boss shape jacket structure is compact to design attractive in appearance; Power line direct cable formula output form makes things convenient for wiring; Using high-temperature resistant enamelled wire, to turn to the whole resistance to elevated temperatures of coil good; The combination of above-mentioned advantage is significantly improved the synthetic operation performance of this product.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention;
Fig. 2 is the cutaway view of coil block;
Fig. 3 is the cutaway view of magnetic core pipe assembly.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.But be not limited to described embodiment.
Embodiment as shown in Figure 1 to Figure 3, figure grade explanation: pan head screw 1, ground connection label 2, holding screw 3, fastening nut 4, label copper rivet 5, the one O RunddichtringO 6, nameplate 7, the 2nd O RunddichtringO 8, upper magnet yoke 9, stringing briquetting 10, stringing nut 11, seal 12, threaded block 13, the 3rd O RunddichtringO 14, overcoat 15, lower yoke 16, coil block 17, coil rack 171, go out wire casing cover plate 172, terminal block 173, three-core cable 174, binding post 175, coil 176, magnetic core pipe assembly 18, the 4th O RunddichtringO 181, iron core 182, push rod 183, antifreeze plate 184, every magnetic cloth 185, armature 186, guide pin bushing 187, handspike 188, the 5th O RunddichtringO 189, poly-tetrafluoro back-up ring 1810.
Present embodiment is achieved in that at the internal thread place on overcoat 15 tops and is screwed with threaded block 13, the inner chamber of threaded block 13 is equipped with seal 12, stringing briquetting 10 is equipped with on the top of seal 12, the external screw thread place on threaded block 13 tops is screwed with stringing nut 11, when stringing nut 11 is tightened, because the distortion of seal 12 makes between the top of overcoat 15 and the three-core cable 174 and is able to abundant sealing, the 3rd O RunddichtringO 14 is in the joint of overcoat 15 tops and threaded block 13, plays the effect of sealing.
The realization of present embodiment also comprises: coil block 17 is equipped with at the cylindrical cavity middle part at overcoat 15, and left end is equipped with upper magnet yoke 9, and right-hand member is equipped with lower yoke 16, compresses the back sealing with the 2nd O RunddichtringO 8; Nameplate 7 is housed, with label copper rivet 5 riveted and fixed on the end face of upper magnet yoke 9; Ground connection label 2 fixedly is equipped with pan head screw 1 in the end face bottom of upper magnet yoke 9; The upper magnet yoke right upper portion is screwed with pan head screw 1, and is earthy during for product work; Magnetic core pipe assembly 18 is housed on the endoporus of coil block 17, and after magnetic core pipe assembly 18 inserted coil block 17 endoporus from the right side, the left side was tightened fixing with fastening nut 4, and with an O RunddichtringO 6 sealings, prevented axial play with holding screw 3 tightenings.
Coil block 17 includes equipped mutually coil rack 171, goes out wire casing cover plate 172, terminal block 173, three-core cable 174, binding post 175, coil 176; Coil rack 171 is wound with coil 176, goes out wire casing cover plate 172 and is positioned at coil rack 171 outsides, is used for the assembly integral sealing; Terminal block 173, the welding that is used for electric control element is fixed; Three-core cable 174 1 ends are fixing with terminal block 173 welding, and the other end is used for out-put supply; Binding post 175 fixes with described pan head screw 1 through ground connection; Coil 176 is formed by the high-temperature resistant enamelled wire coiling.
Magnetic core pipe assembly 18 comprises the 4th O RunddichtringO 181, iron core 182, push rod 183, antifreeze plate 184, every magnetic cloth 185, armature 186, guide pin bushing 187, hand push plate 188, the 5th O RunddichtringO 189, poly-tetrafluoro back-up ring 1810; Sealing when described the 4th O RunddichtringO 181 is used for flame-proof type flame-proof type valve body is fixedly used; Iron core 182 is shaped on shoulder and engages described lower yoke 16, is used for the connection of magnetic core pipe integral body, and push rod 183 is arranged in iron core 182 inner chambers, move left and right during work, be used to open spool, antifreeze plate 184 and be sleeved on the groove that iron core 182 is shaped on every magnetic cloth 185 plays the effect of isolating magnetic field; Armature 186 promotes push rod 183 move left and right during work; Guide pin bushing 187 is equipped with described fastening nut 4, and the integral body that is used for the magnetic core pipe connects; Be positioned at the handspike 188 in chamber, iron core 182 left side, when being used for Installation and Debugging manually; The 5th O RunddichtringO 189 and poly-tetrafluoro back-up ring 1810 are used for the sealing of handspike 188 with guide pin bushing 187.
The operation principle of the embodiment of the invention is:
At first the screw thread with magnetic core pipe assembly 18 right-hand members connects with supporting hydraulicdirectional control valve valve body, and with the sealing of the 4th O RunddichtringO 181, press the voltage request energized, coil 176 gets electric back and produces electromagnetic force promotion armature 186 forward, promoting valve core of hydraulic reversing valve by push rod 183 moves and changes the liquid flow path direction or make the hydraulic system acting, reach the purpose of hydraulicdirectional control valve commutation, in this process, must guarantee flame proof and integral sealing.
The invention has the advantages that: guide pin bushing has been set up every magnetic cloth with the circumferential clearance place of armature, and the magnetic line of force that distributes has been played sufficient separated magnetic effect, and the characteristic curve effect of the ferreous colleague's journey of electromagnetism is significantly taken on a new look; Electromagnet is with the direct type of attachment of screw thread on the connection employing magnetic core pipe buting iron of valve body, convenient for installation and maintenance and good reliability of connection; An above-mentioned O RunddichtringO to the five O RunddichtringOs are all higher with conical seal sealing after screw thread compresses that nitrile rubber is made, and ageing-resistant degree is good; The boss shape jacket structure is compact to design attractive in appearance; Power line direct cable formula output form makes things convenient for wiring; It is good that high-temperature resistant enamelled wire turns to the whole resistance to elevated temperatures of solenoid; The overcoat commissure is detected through radioscopy by part, and through the hydraulic test, explosion insulation performance is good.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (4)
1. electromagnet for flame-proof valve, comprise that shell mechanism is designed to the overcoat of boss shape (15), it is characterized in that: the internal thread place on described overcoat (15) top is screwed with threaded block (13), the inner chamber of threaded block (13) is equipped with seal (12), stringing briquetting (10) is equipped with on the top of seal (12), the external screw thread place on threaded block (13) top is screwed with stringing nut (11), at the joint of overcoat (15) top and threaded block (13) the 3rd O RunddichtringO (14) is housed.
2. according to claims 1 described a kind of electromagnet for flame-proof valve, it is characterized in that: described overcoat (15) is equipped with coil block (17) at the cylindrical cavity middle part, the left end of described overcoat (15) is equipped with upper magnet yoke (9), described overcoat (15) right-hand member is equipped with lower yoke (16), compresses the back sealing with the 2nd O RunddichtringO (8); Nameplate (7) is housed, with label copper rivet (5) riveted and fixed on the end face of described upper magnet yoke (9); Ground connection label (2) fixedly is equipped with pan head screw (1) in the end face bottom of described upper magnet yoke (9); Magnetic core pipe assembly (18) is housed on the endoporus of described coil block (17); Described magnetic core pipe assembly (18) inserts described coil block (17) endoporus from the right side, described magnetic core pipe assembly (18) left side tighten with fastening nut (4) and through O RunddichtringO (a 6) sealing and fixing on described yoke (9); Described magnetic core pipe assembly (18) is fitted with described fastening nut (4) and prevents axially movable holding screw (3).
3. according to claims 2 described a kind of electromagnet for flame-proof valve, it is characterized in that: described coil block (17) includes equipped mutually coil rack (171), goes out wire casing cover plate (172), terminal block (173), three-core cable (174), binding post (175), coil (176); Coil rack (171) is wound with coil (176), goes out wire casing cover plate (172) and is positioned at coil rack (171) outside; The three-core cable same terminal blocks of (174) one ends (173) welding is fixing, and the other end is used for out-put supply; Binding post (175) with fix through the described pan head screw (1) of ground connection.
4. according to claims 2 or 3 described a kind of electromagnet for flame-proof valve, it is characterized in that: described magnetic core pipe assembly (18) comprises the 4th O RunddichtringO (181), iron core (182), push rod (183), antifreeze plate (184), every magnetic cloth (185), armature (186), guide pin bushing (187), hand push plate (188), the 5th O RunddichtringO (189), poly-tetrafluoro back-up ring (1810); Sealing when described the 4th O RunddichtringO (181) is used for flame-proof type flame-proof type valve body is fixedly used; Iron core (182) is shaped on shoulder and engages described lower yoke (16), be used for the connection of magnetic core pipe integral body, push rod (183) is arranged in iron core (182) inner chamber, move left and right during work, be used to open spool, antifreeze plate (184) and be sleeved on the groove that iron core (182) is shaped on every magnetic cloth (185) plays the effect of isolating magnetic field; Armature (186) promotes push rod (183) move left and right during work; Guide pin bushing (187) is equipped with described fastening nut (4), and the integral body that is used for the magnetic core pipe connects; Be positioned at the handspike (188) in chamber, iron core (182) left side, manual when being used for Installation and Debugging; The 5th O RunddichtringO (189) and poly-tetrafluoro back-up ring (1810) are used for the sealing of the same guide pin bushing of handspike (188) (187).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152694XA CN101692373B (en) | 2009-09-17 | 2009-09-17 | Electromagnet for flame-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152694XA CN101692373B (en) | 2009-09-17 | 2009-09-17 | Electromagnet for flame-proof valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101692373A true CN101692373A (en) | 2010-04-07 |
| CN101692373B CN101692373B (en) | 2011-04-06 |
Family
ID=42081052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910152694XA Expired - Fee Related CN101692373B (en) | 2009-09-17 | 2009-09-17 | Electromagnet for flame-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101692373B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524193A (en) * | 2018-11-30 | 2019-03-26 | 宁波市鄞州通力液压电器厂 | A kind of explosion prevention electromagnet device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2070494U (en) * | 1990-07-13 | 1991-01-30 | 合肥液压件二厂 | All-closed explosion insulated water-proof electromagnet |
| CN2257874Y (en) * | 1996-02-15 | 1997-07-16 | 温州市防爆电器元件厂 | Flame-proof 2-way electromagnetic valve |
| KR100399766B1 (en) * | 2001-04-18 | 2003-09-26 | 박진하 | The hydrostat for a portable gas range |
| CN201489939U (en) * | 2009-09-17 | 2010-05-26 | 徐放鸣 | Flame-proof type valve electromagnet |
-
2009
- 2009-09-17 CN CN200910152694XA patent/CN101692373B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524193A (en) * | 2018-11-30 | 2019-03-26 | 宁波市鄞州通力液压电器厂 | A kind of explosion prevention electromagnet device |
| CN109524193B (en) * | 2018-11-30 | 2024-02-20 | 宁波市鄞州通力液压电器厂 | Explosion-proof electromagnet device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101692373B (en) | 2011-04-06 |
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| C14 | Grant of patent or utility model | ||
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Owner name: NINGBO KEGUANG MECHANICAL + ELECTRICAL PRODUCT CO. Free format text: FORMER OWNER: XU FANGMING Effective date: 20111103 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111103 Address after: 315202 Ningbo branch opto electric machinery Co., Ltd., 608 West Luo Road, camel town, Zhenhai District, Ningbo, China Patentee after: Ningbo Keguang Mechanical & Electrical Product Co.,Ltd. Address before: 315202 Ningbo branch opto electric machinery Co., Ltd., No. 608, Luo Luo Road, camel street, Zhenhai Town, Zhenhai District, Zhejiang, Ningbo Patentee before: Xu Fangming |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130917 |