CN109524193B - Explosion-proof electromagnet device - Google Patents
Explosion-proof electromagnet device Download PDFInfo
- Publication number
- CN109524193B CN109524193B CN201811455277.8A CN201811455277A CN109524193B CN 109524193 B CN109524193 B CN 109524193B CN 201811455277 A CN201811455277 A CN 201811455277A CN 109524193 B CN109524193 B CN 109524193B
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- shell
- sealing
- pressing plate
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract 2
- 238000009434 installation Methods 0.000 claims description 23
- 238000002955 isolation Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/127—Assembling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/128—Encapsulating, encasing or sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F2007/062—Details of terminals or connectors for electromagnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an explosion-proof electromagnet device, which comprises an explosion-proof shell, wherein a coil assembly is arranged in the explosion-proof shell, an explosion-proof wire box is arranged on the outer side wall of the explosion-proof shell, a connecting through hole communicated with the explosion-proof wire box is arranged on the explosion-proof shell, a sealing assembly is arranged at a position, corresponding to the connecting through hole, on the explosion-proof wire box, and a mounting seat is arranged on the explosion-proof wire box; the sealing assembly comprises a rubber baffle, a pressing plate and a wiring board, wherein the rubber baffle, the pressing plate and the wiring board are sequentially arranged from inside to outside along the radial direction of the explosion-proof housing, the rubber baffle is arranged outside the connecting through hole, the wiring board is arranged on the mounting seat, the pressing plate is slidable in the mounting cavity, a plurality of springs are uniformly arranged between the pressing plate and the rubber baffle, elastic sealing glue is filled between the pressing plate and the rubber baffle, a plurality of bolts are arranged on the wiring board, and small ends of the bolts are propped against the upper surface of the pressing plate. The explosion-proof electromagnet device provided by the invention has more stable explosion-proof performance and better tightness between the junction box and the shell.
Description
Technical Field
The invention relates to the field of electric control hydraulic valves, in particular to an explosion-proof electromagnet device.
Background
At present, the explosion-proof electromagnet put into use mainly has the following problems: the magnetic conduction pipe and the coil are riveted into a whole, so that the magnetic conduction pipe is not easy to split, the electromagnet is connected with the valve through the magnetic conduction pipe, and if the electromagnet is damaged or the valve is damaged, the whole is scrapped, and the maintainability is poor; there is no reserved space between the explosion-proof shell and the explosion-proof wire box, the power lead is directly connected to the coil assembly, the length of the power lead is led out from the upper end of the product, and the length of the power lead cannot be changed from the production of the product, which is troublesome; only a sealing ring is adopted to seal between the explosion-proof shell and the explosion-proof wire box, and the sealing ring is easy to age under long-time work, so that the sealing is invalid, and the explosion-proof performance is poor; the outer shell body in the existing explosion-proof electromagnet is large in size, so that the weight is also large, and the load of the whole automobile is increased when the explosion-proof electromagnet is applied to the automobile.
In addition, in the existing explosion-proof electromagnet, the magnetic core tube and the armature assembly part are usually arranged in a split mode, namely, the other guide sleeve is arranged outside the armature part and is connected with the magnetic core tube, when the current is supplied, the magnetic core tube acts on the armature through the guide sleeve by magnetic force, so that the push rod is driven to act, and the valve state is controlled.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: overcomes at least one technical defect in the prior art, and provides an explosion-proof electromagnet device with more stable explosion-proof performance and better tightness between a junction box and a shell.
The technical scheme adopted by the invention is as follows: the explosion-proof electromagnet comprises an explosion-proof shell, wherein a coil assembly is arranged in the explosion-proof shell, an explosion-proof wire box is arranged on the outer side wall of the explosion-proof shell, a connecting through hole communicated with the explosion-proof wire box is arranged on the explosion-proof shell, and a sealing assembly is arranged at a position, corresponding to the connecting through hole, on the explosion-proof wire box; the explosion-proof wire box is provided with an installation seat used for being connected with the explosion-proof shell, the installation seat is provided with an installation cavity communicated with the connecting through hole, and the sealing assembly is arranged in the installation cavity; the sealing assembly comprises a rubber baffle, a pressing plate and a wiring board which are sequentially arranged along the radial direction of the explosion-proof shell from inside to outside, the rubber baffle is arranged outside the connecting through hole, the wiring board is arranged on the mounting seat, the pressing plate can slide in the mounting cavity, a plurality of springs are uniformly arranged between the pressing plate and the rubber baffle, and elastic sealant is filled between the pressing plate and the rubber baffle; the wiring board is provided with a plurality of bolts, small ends of the bolts are propped against the upper surface of the pressing plate, and the bolts are tightly screwed for tightly pressing the elastic sealant; the wiring board is provided with a wiring terminal which is connected with a lead wire of the coil assembly; the power line is connected from binding post department, the side sealing connection of explosion-proof line box has the lead tube, and lead tube and explosion-proof line box's inner chamber intercommunication are equipped with annular flame proof sealing washer in the lead tube, the inner of flame proof sealing washer offsets with the bottom of lead tube, and the outer end of flame proof sealing washer adopts power line fastening bolt to compress tightly.
Compared with the prior art, the invention has the following advantages:
according to the explosion-proof electromagnet device, the explosion-proof wire box and the explosion-proof shell are connected through the mounting seat, the rear sealing assembly is arranged on the mounting seat, the rubber baffle is provided with the sealing assembly to directly seal the connecting through hole, the upper part of the rubber baffle is also provided with the pressing plate, the pressing plate and the rubber baffle are limited by extrusion through the elasticity of the spring, and the upper part on the pressing plate is propped against through the bolt, so that the rubber baffle is always propped against the outside of the connecting through hole on the side wall of the explosion-proof shell, and the tightness is maintained. Meanwhile, elastic sealant is filled between the pressing plate and the rubber baffle plate, the second sealing area is arranged, the sealing performance is further improved, the safety performance is guaranteed, and the explosion-proof effect is effectively achieved.
Further, a magnetic core tube is arranged in an inner hole of the coil assembly, two ends of the magnetic core tube penetrate through two ends of the explosion-proof shell, one end of the magnetic core tube is provided with a containing cavity, an armature is slidably arranged in the containing cavity, the other end of the magnetic core tube is provided with a guide hole communicated with the containing cavity, a push rod is slidably arranged in the guide hole, one end, close to the containing cavity, of the push rod is propped against the end face of the armature, and a rubber sealing gasket is arranged at the other end of the push rod; a sealing cover is arranged at one end part of the magnetic core tube, which is close to the accommodating cavity, and a manual push rod is arranged on the sealing cover in a sliding manner and used for pushing the armature during installation and debugging; and one end of the explosion-proof housing, which is close to the armature, is provided with a fastening screw sleeve for connecting the sealing cover with the magnetic core pipe.
As an improvement, an electronic rectifying device is further arranged on the wiring board, and the wiring terminal is electrically connected with the lead wire of the coil assembly through the electronic rectifying device. An electronic rectifying device is directly arranged on the wiring board, so that the electromagnet realizes alternating current power supply.
Preferably, the armature is uniformly provided with a plurality of exhaust holes with two communicated ends along the length direction. The vent hole is arranged to ensure that the air pressure of the chambers at two sides is balanced and the movement is smooth when the armature moves.
Preferably, the explosion-proof housing comprises a first shell, a second shell and an explosion-proof sleeve, wherein two ends of the explosion-proof sleeve are respectively connected with the first shell and the second shell in a sealing way, and a mounting groove for mounting the coil assembly is formed between the end part of the first shell, the end part of the second shell and the inner side wall of the explosion-proof housing; the installation groove in be equipped with the magnetic conduction cover, just the magnetic conduction cover is established between magnetic core pipe outside and coil assembly hole. The explosion-proof shell structure of the structure is smaller in size, and the miniaturization and the light weight of the product level are realized.
And the outer parts of the springs are respectively provided with a soft rubber isolation sleeve, two end faces of the soft rubber isolation sleeve are respectively abutted against the planes of the pressing plate and the rubber baffle, and the outer side walls of the soft rubber isolation sleeves are convex circular arcs. The arrangement of the isolating sleeve of the structure enables the elastic operation of the spring to be more flexible and is not influenced by external sealant, so that the sealant area can be adjusted, and the sealing performance is improved.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof electromagnet device of the present invention.
Fig. 2 is an enlarged structural view at X in fig. 1.
Wherein, 1-explosion-proof housing, 1.1-first casing, 1.2-second casing, 1.3-explosion-proof sleeve, 2-coil component, 3-explosion-proof wire box, 4-connection through hole, 5-mount, 5.1-mount cavity, 5.2 spacing jack, 6-rubber baffle, 6.1-skirt, 7-clamp plate, 8-wiring board, 8.1-spacing skirt, 8.2-spacing plug, 9-spring, 10-elastic sealant, 11-bolt, 12-wiring terminal, 13-magnetic core tube, 13.1-accommodation cavity, 13.2-guiding hole, 14-armature, 14.1-exhaust hole, 15-push rod, 16-rubber gasket, 17-sealing cover, 18-manual push rod, 19-fastening screw sleeve, 20-mounting groove, 21-magnetic sleeve, 22-soft rubber spacer sleeve, 23-lead tube, 24-explosion-sealing ring, 25-fastening bolt, 26-set screw
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inside-out", "outside side wall", "outside", "inside wall", "upper surface", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance for distinguishing one from another.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected", "fitted" and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, the explosion-proof electromagnet device provided by the invention comprises an explosion-proof housing 1, in this embodiment, the explosion-proof housing 1 comprises a first shell 1.1, a second shell 1.2 and an explosion-proof sleeve 1.3, wherein two ends of the explosion-proof sleeve 1.3 are respectively connected with the first shell 1.1 and the second shell 1.2 in a sealing way, and specifically, are connected in an argon arc welding way. In addition, in order to ensure that the connection of the three parts is firmer, the first shell 1.1 and the second shell 1.2 are provided with limit steps corresponding to the two ends of the explosion-proof sleeve 1.3, so when the two ends of the explosion-proof sleeve 1.3 are respectively welded with the first shell 1.1 and the second shell 1.2, the two ends of the explosion-proof sleeve cannot be sleeved outside the corresponding limit steps on the first shell 1.1 and the second shell 1.2 at first, the limit effect is achieved, and after the assembly is completed, argon arc welding is performed, so that the connected explosion-proof shell 1 is more stable and firmer in use.
A coil assembly 2 is arranged in the explosion-proof housing 1, and specifically, a mounting groove 20 for mounting the coil assembly 2 is formed between the end part of the first shell 1.1, the end part of the second shell 1.2 and the inner side wall of the explosion-proof sleeve 1.3; the installation groove 20 is provided with a magnetic conduction sleeve 21, and the magnetic conduction sleeve 21 is arranged between the outside of the magnetic core tube 13 and the inner hole of the coil assembly 2. In the structure of the explosion-proof housing 1, the explosion-proof sleeve 1.3 positioned between the two shells meets the strength performance, and meanwhile, the thickness is minimized, the volume is minimized, and the light weight of the product is ensured.
The explosion-proof wire box 3 is arranged on the outer side wall of the explosion-proof housing 1, the explosion-proof housing 1 is provided with a connecting through hole 4 communicated with the explosion-proof wire box 3, and a sealing component is arranged at the position, corresponding to the connecting through hole 4, of the explosion-proof wire box 3. The explosion-proof wire box 3 is provided with an installation seat 5 used for being connected with the explosion-proof housing 1, in particular, the installation seat 5 is in sealing connection with the explosion-proof housing 1 in an argon arc welding mode, the installation seat 5 is provided with an installation step, the explosion-proof wire box 3 is sleeved on the installation step of the installation seat 5, and a sealing ring is arranged at the assembling position. The mounting seat 5 is provided with a mounting cavity 5.1 communicated with the connecting through hole 4, and the sealing component is arranged in the mounting cavity 5.1.
Specifically, seal assembly includes along explosion-proof housing 1 radial direction from interior rubber baffle 6, clamp plate 7 and terminal plate 8 that set gradually outward, and rubber baffle 6 establishes in the outside of connecting through-hole 4, and terminal plate 8 is established on mount pad 5, and clamp plate 7 slidable in installation cavity 5.1, evenly is equipped with a plurality of springs 9 between clamp plate 7 and the rubber baffle 6, and still fills there is elastic sealant 10 between clamp plate 7 and the rubber baffle 6. Be equipped with a plurality of bolts 11 on the wiring board 8, the tip of a plurality of bolts 11 supports and presses at the upper surface of clamp plate 7, and the bolt of tightening is used for compressing tightly elastic sealant 10 for sealing performance is better.
In this embodiment, preferably, the end surface of the rubber baffle 6 near the side of the connecting through hole 4 is an outer convex arc surface, and the arc surface is pressed and covered outside the connecting through hole 4. The circumference of rubber baffle 6 is equipped with shirt rim 6.1, and the bottom surface correspondingly is equipped with the spacing groove under the mount pad 5, and the shirt rim 6.1 pressfitting on the rubber baffle 6 is in the lower bottom surface of mount pad 5, and shirt rim 6.1 joins in marriage and adorn in the spacing groove to make the structure behind the installation of rubber baffle 6 more stable.
Similarly, the circumference of the wiring board 8 is also provided with a limit skirt 8.1, the explosion-proof wire box 3 is provided with a fitting groove pressed with the limit skirt 8.1, and when the explosion-proof wire box is installed, the fitting groove on the explosion-proof wire box 3 is pressed on the upper surface of the limit skirt 8.1 to axially limit the explosion-proof wire box and prevent movement. In addition, be equipped with a plurality of spacing spliced poles 8.2 at the lower surface of terminal plate 8, corresponding be equipped with on mount pad 5 with spacing spliced pole 8.2 the spacing jack 5.2 of joining in marriage the dress for terminal plate 8 connection back structure is more stable, and is firm.
In this embodiment, soft rubber isolation sleeves 22 are disposed outside the springs 9, two end surfaces of each soft rubber isolation sleeve 22 are respectively abutted against the planes of the pressing plate 7 and the rubber baffle 6, and the soft rubber isolation sleeves 22 are disposed so as not to enter into gaps of the springs 9 to affect elastic deformation when the elastic sealant 10 is filled. Preferably, the outer side walls of the soft rubber isolation sleeve 22 are convex circular arcs. After such arrangement, when the distance between the rubber barrier 6 and the pressing plate 7 needs to be further adjusted, the soft rubber spacer 22 can be more easily elastically deformed, thereby improving the sealing performance.
The wiring board 8 is provided with a wiring terminal 12, the wiring terminal 12 is connected with a lead wire of the coil assembly 2, in particular, the wiring board 8 is also provided with an electronic rectifying device (not shown in the figure), the wiring terminal 12 is electrically connected with the lead wire of the coil assembly 2 through the electronic rectifying device, and the electronic rectifying device can be arranged on the wiring end plate 8 and can be used for supplying an electromagnet after rectifying external alternating current.
The power line is connected from binding post 12, and explosion-proof line box 3's side sealing connection has lead pipe 23, and lead pipe 23 communicates with explosion-proof line box 3's inner chamber, and annular explosion-proof sealing washer 24 is equipped with in the lead pipe 23, and explosion-proof sealing washer 24's inner offsets with the bottom of lead pipe 23, and explosion-proof sealing washer 24's outer end adopts power line fastening bolt 25 to compress tightly.
In this embodiment, a magnetic core tube 13 is disposed in an inner hole of the coil assembly 2, two ends of the magnetic core tube 13 are respectively penetrated through two end portions of the explosion-proof housing 1, one end of the magnetic core tube 13 is provided with a containing cavity 13.1, an armature 14 is slidably disposed in the containing cavity 13.1, the other end of the magnetic core tube 13 is provided with a guide hole 13.2 communicated with the containing cavity 13.1, a push rod 15 is slidably disposed in the guide hole 13.2, one end, close to the containing cavity 13.1, of the push rod 15 abuts against an end face of the armature 14, and a rubber sealing gasket 16 is disposed at the other end of the push rod 15. A cover 17 is arranged at the end part of the magnetic core tube 13, which is close to one side of the accommodating cavity 13.1, and a manual push rod 18 is arranged on the cover 17 in a sliding manner and is used for pushing the armature 14 during installation and debugging; the explosion-proof housing 1 is provided with a fastening screw 19 at the end adjacent to the armature 14 for connecting the cover 17 to the core tube 13.
In this embodiment, a threaded through hole is formed in the side surface of the fastening screw sleeve 19 at a position in threaded connection with the cover 17, and a fastening screw 26 is disposed in the threaded through hole for preventing loosening of both the fastening screw sleeve 19 and the cover 17.
In this embodiment, since the armature 14 is slidably connected in the accommodating cavity 13.1, and the gap between the outer portion of the armature 14 and the inner wall of the accommodating cavity 13.1 is small, in the sliding process of the armature 14, the air pressure of the cavity on the right side of the accommodating cavity 13.1 will be increased, which will affect the continuous sliding of the armature 14, so that a plurality of exhaust holes 14.1 with two ends being communicated are uniformly arranged along the length direction of the armature 14, and in the sliding process of the armature 14, the pressure between the cavities on two sides is balanced through the exhaust holes 14.1, thereby ensuring the subsequent smooth sliding of the armature 14.
The foregoing description of the preferred embodiments of the present invention is provided for illustration and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed, and all changes made within the scope of the invention as independently claimed are within the scope of the invention.
Claims (5)
1. An explosion-proof electromagnet device, which is characterized in that: the anti-explosion wire box comprises an anti-explosion shell (1), wherein a coil assembly (2) is arranged in the anti-explosion shell (1), an anti-explosion wire box (3) is arranged on the outer side wall of the anti-explosion shell (1), a connecting through hole (4) communicated with the anti-explosion wire box (3) is formed in the anti-explosion shell (1), and a sealing assembly is arranged at a position, corresponding to the connecting through hole (4), on the anti-explosion wire box (3); the explosion-proof wire box (3) is provided with an installation seat (5) used for being connected with the explosion-proof shell (1), the installation seat (5) is provided with an installation cavity (5.1) communicated with the connecting through hole (4), and the sealing component is arranged in the installation cavity (5.1); the sealing assembly comprises a rubber baffle (6), a pressing plate (7) and a wiring board (8) which are sequentially arranged along the radial direction of the explosion-proof housing (1) from inside to outside, wherein the rubber baffle (6) is arranged outside the connecting through hole (4), the wiring board (8) is arranged on the mounting seat (5), the pressing plate (7) can slide in the mounting cavity (5.1), a plurality of springs (9) are uniformly arranged between the pressing plate (7) and the rubber baffle (6), and elastic sealing glue (10) is also filled between the pressing plate (7) and the rubber baffle (6); the wiring board (8) is provided with a plurality of bolts (11), small ends of the bolts (11) are propped against the upper surface of the pressing plate (7), and the bolts are tightly screwed for tightly pressing the elastic sealant (10); a wiring terminal (12) is arranged on the wiring board (8), and the wiring terminal (12) is connected with a lead wire of the coil assembly (2); the power line is connected from the wiring terminal (12), a lead pipe (23) is connected to the side surface of the explosion-proof wire box (3) in a sealing way, the lead pipe (23) is communicated with the inner cavity of the explosion-proof wire box (3), an annular explosion-proof sealing ring (24) is arranged in the lead pipe (23), the inner end of the explosion-proof sealing ring (24) is propped against the bottom of the lead pipe (23), and the outer end of the explosion-proof sealing ring (24) is tightly pressed by a power line fastening bolt (25);
the magnetic core tube (13) is arranged in an inner hole of the coil assembly (2), two ends of the magnetic core tube (13) are respectively penetrated through two end parts of the explosion-proof housing (1), one end of the magnetic core tube (13) is provided with a containing cavity (13.1), an armature (14) is slidably arranged in the containing cavity (13.1), the other end of the magnetic core tube (13) is provided with a guide hole (13.2) communicated with the containing cavity (13.1), a push rod (15) is slidably arranged in the guide hole (13.2), one end, close to the containing cavity (13.1), of the push rod (15) abuts against the end face of the armature (14), and the other end of the push rod (15) is provided with a rubber sealing gasket (16); a sealing cover (17) is arranged at one end part of the magnetic core tube (13) close to the accommodating cavity (13.1), and a manual push rod (18) is arranged on the sealing cover (17) in a sliding manner and used for pushing the armature (14) during installation and debugging; one end of the explosion-proof housing (1) close to the armature (14) is provided with a fastening screw sleeve (19) for connecting the sealing cover (17) with the magnetic core tube (13).
2. An explosion-proof electromagnet device according to claim 1, wherein: the wiring board (8) is also provided with an electronic rectifying device, and the wiring terminal (12) is electrically connected with the lead wire of the coil assembly (2) through the electronic rectifying device.
3. An explosion-proof electromagnet device according to claim 1, wherein: the armature (14) is uniformly provided with a plurality of exhaust holes (14.1) with two ends communicated along the length direction.
4. An explosion-proof electromagnet device according to claim 1, wherein: the explosion-proof housing (1) comprises a first shell (1.1), a second shell (1.2) and an explosion-proof sleeve (1.3), wherein two ends of the explosion-proof sleeve (1.3) are respectively connected with the first shell (1.1) and the second shell (1.2) in a sealing way, and an installation groove (20) for installing a coil assembly (2) is formed among the end part of the first shell (1.1), the end part of the second shell (1.2) and the inner side wall of the explosion-proof sleeve (1.3); the installation groove (20) is internally provided with a magnetic conduction sleeve (21), and the magnetic conduction sleeve (21) is arranged between the outside of the magnetic core tube (13) and the inner hole of the coil assembly (2).
5. An explosion-proof electromagnet device according to claim 1, wherein: the outer parts of the springs (9) are respectively provided with a soft rubber isolation sleeve (22), two end faces of the soft rubber isolation sleeve (22) are respectively abutted against the planes of the pressing plate (7) and the rubber baffle (6), and the outer side walls of the soft rubber isolation sleeve (22) are convex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455277.8A CN109524193B (en) | 2018-11-30 | 2018-11-30 | Explosion-proof electromagnet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455277.8A CN109524193B (en) | 2018-11-30 | 2018-11-30 | Explosion-proof electromagnet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524193A CN109524193A (en) | 2019-03-26 |
| CN109524193B true CN109524193B (en) | 2024-02-20 |
Family
ID=65793943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455277.8A Active CN109524193B (en) | 2018-11-30 | 2018-11-30 | Explosion-proof electromagnet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524193B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803663B (en) * | 2021-03-03 | 2021-11-23 | 郑州轻工业大学 | Explosion-proof heavy vibration motor |
| CN114017533A (en) * | 2021-11-05 | 2022-02-08 | 中煤科工集团重庆研究院有限公司 | Series explosion-proof electromagnet |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4336208A1 (en) * | 1993-10-23 | 1995-04-27 | Schultz Wolfgang E | Hermetically sealed magnet and method for its production |
| CN201413753Y (en) * | 2009-04-22 | 2010-02-24 | 宁波华液机器制造有限公司 | Wet-type electromagnet used for explosion-proof hydraulic valve |
| CN101692373A (en) * | 2009-09-17 | 2010-04-07 | 徐放鸣 | Electromagnet for flame-proof valve |
| CN201489939U (en) * | 2009-09-17 | 2010-05-26 | 徐放鸣 | Flame-proof type valve electromagnet |
| CN102568740A (en) * | 2011-12-28 | 2012-07-11 | 宁波市鄞州通力液压电器厂 | Flameproof electromagnet |
| CN106205944A (en) * | 2016-07-25 | 2016-12-07 | 成都威特电喷有限责任公司 | Heat-insulating and sealing electromagnet assembly |
| CN206340403U (en) * | 2016-12-28 | 2017-07-18 | 宁波耀峰液压电器有限公司 | Flame proof electromagnet |
| CN209183355U (en) * | 2018-11-30 | 2019-07-30 | 宁波市鄞州通力液压电器厂 | A kind of explosion prevention electromagnet device |
-
2018
- 2018-11-30 CN CN201811455277.8A patent/CN109524193B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4336208A1 (en) * | 1993-10-23 | 1995-04-27 | Schultz Wolfgang E | Hermetically sealed magnet and method for its production |
| CN201413753Y (en) * | 2009-04-22 | 2010-02-24 | 宁波华液机器制造有限公司 | Wet-type electromagnet used for explosion-proof hydraulic valve |
| CN101692373A (en) * | 2009-09-17 | 2010-04-07 | 徐放鸣 | Electromagnet for flame-proof valve |
| CN201489939U (en) * | 2009-09-17 | 2010-05-26 | 徐放鸣 | Flame-proof type valve electromagnet |
| CN102568740A (en) * | 2011-12-28 | 2012-07-11 | 宁波市鄞州通力液压电器厂 | Flameproof electromagnet |
| CN106205944A (en) * | 2016-07-25 | 2016-12-07 | 成都威特电喷有限责任公司 | Heat-insulating and sealing electromagnet assembly |
| CN206340403U (en) * | 2016-12-28 | 2017-07-18 | 宁波耀峰液压电器有限公司 | Flame proof electromagnet |
| CN209183355U (en) * | 2018-11-30 | 2019-07-30 | 宁波市鄞州通力液压电器厂 | A kind of explosion prevention electromagnet device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524193A (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109524193B (en) | Explosion-proof electromagnet device | |
| CN105742861A (en) | Waterproof connection structure for radio-frequency connector | |
| CN204441590U (en) | Connector, connector assembly and driver | |
| CN211428450U (en) | Waterproof high-voltage junction box | |
| CN212412302U (en) | Waterproof and dustproof plug and socket assembly | |
| CN210985135U (en) | Cable adapter and vehicle with same | |
| CN205429250U (en) | Connector component and including this connector component's subassembly of making a video recording | |
| CN109449693B (en) | Connector assembly, connector, and insulator | |
| CN209183355U (en) | A kind of explosion prevention electromagnet device | |
| CN102570095A (en) | Wiring plug | |
| CN211952574U (en) | Lamp with emergency battery | |
| CN209982025U (en) | Cable joint | |
| CN210867391U (en) | Motor casing convenient to cable installation | |
| CN209963889U (en) | Explosion-proof wiring device | |
| CN210015821U (en) | High-sensitivity hydraulic switch connector | |
| CN208939490U (en) | A kind of cable tube plugging device | |
| CN219040878U (en) | Waterproof construction of power cord | |
| CN210074281U (en) | Cylinder penetrating connector shell assembly, cylinder penetrating connector and cylinder penetrating connector assembly | |
| CN210111157U (en) | Butt connector housing assembly, butt connector and butt connector assembly | |
| CN210628614U (en) | Electric connector with air tightness | |
| CN210404174U (en) | Waterproof connector | |
| CN210985825U (en) | Terminal box for explosion-proof motor | |
| CN220439987U (en) | Quick-plug waterproof connector | |
| CN215119371U (en) | Waterproof box | |
| CN215496329U (en) | Conducting rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |