CN110953395A - Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system - Google Patents
Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system Download PDFInfo
- Publication number
- CN110953395A CN110953395A CN201911014199.2A CN201911014199A CN110953395A CN 110953395 A CN110953395 A CN 110953395A CN 201911014199 A CN201911014199 A CN 201911014199A CN 110953395 A CN110953395 A CN 110953395A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- cover
- antimagnetic
- electromagnetic valve
- interference device
- 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
Images
Classifications
-
- 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
-
- 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
- F16K49/00—Means in or on valves for heating or cooling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an anti-magnetic interference device of a solenoid valve for an oil conveying pipeline and a solenoid valve system, and belongs to the technical field of solenoid valves. The anti-magnetic interference device comprises an anti-magnetic cover and a fixing assembly, wherein the anti-magnetic cover comprises an anti-magnetic cover body and an anti-explosion coating coated on the surface of the anti-magnetic cover body, the anti-magnetic cover body is made of magnetic materials and used for covering the outside of an electromagnetic assembly of the electromagnetic valve so as to shield an external magnetic field, heat dissipation holes are formed in the anti-magnetic cover, and the fixing assembly is used for fixing the anti-magnetic cover and the electromagnetic assembly. According to the invention, by arranging the fixing assembly and arranging the anti-explosion coating on the surface of the anti-magnetic cover body, the installation of the anti-magnetic cover can be realized, the problem of oil gas explosion around an oil pipeline caused by sparks generated when a tool collides with the anti-magnetic cover in the installation process can be avoided, and the shielding of the external magnetic field of the electromagnetic valve by using the anti-magnetic cover is realized, so that the abnormal opening of the oil pipeline is avoided, and the loss caused by oil leakage and oil loss of a gas station is avoided.
Description
Technical Field
The invention relates to an electromagnetic valve anti-magnetic interference device for an oil conveying pipeline and an electromagnetic valve system, and belongs to the technical field of electromagnetic valves.
Background
At present filling station tanker aircraft flow control valve is double flow solenoid valve basically, the solenoid valve includes mechanical valve body subassembly and electromagnetic component, mechanical valve body subassembly sets up on oil pipeline for control opening and closing of oil pipeline, electromagnetic component include the electro-magnet and with the cable that the electro-magnet is connected, through the cable to the electro-magnet sends electromagnetic signal, control the electro-magnet is inhaled, is taken off, thereby control mechanical valve body subassembly opens and shuts.
When there is magnetic field interference in the external world, the electro-magnet can appear abnormal absorption, makes mechanical valve body subassembly open unusually to lead to the oil leakage in the defeated oil pipe way, lead to certain economic loss for filling station.
Therefore, there is a need for an anti-magnetic interference device for an electromagnetic valve used in an oil pipeline to prevent the electromagnetic valve of the oil pipeline from being abnormally opened.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an electromagnetic valve anti-magnetic interference device for an oil delivery pipeline and an electromagnetic valve system.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides an defeated oil pipe is electromagnetism valve antimagnetic interference device for circuit, includes antimagnetic cover and fixed subassembly, antimagnetic cover includes antimagnetic cover body and cladding the explosion-proof coating on antimagnetic cover body surface, antimagnetic cover body is magnetic material for the cover is established the electromagnetism subassembly of solenoid valve is outside to shield external magnetic field, antimagnetic is covered and is equipped with the louvre, fixed subassembly is used for fixing antimagnetic cover with the electromagnetism subassembly.
In an optional embodiment, the antimagnetic shield body comprises a main body structure and a cover plate, the main body structure is a rectangular frame structure with openings at two ends, the cover plate is a special-shaped arc surface, the special-shaped arc surface is a plane symmetric structure, the symmetric plane is two perpendicular planes at the opening end of the main body structure, the bottom surface of the cover plate is consistent with the opening end of the main body structure in shape, the top part of the cover plate is a spherical segment surface, and the middle part of the cover plate is in smooth transition.
In an alternative embodiment, the cover plate has a wall thickness of 2.5-3.5mm and a maximum height of 14-16 mm.
In an alternative embodiment, the length of the bottom surface of the cover plate is 80-90mm, the width of the bottom surface of the cover plate is 67-70mm, and the depth of the main body structure is 80-110 mm.
In an optional embodiment, the fixing assembly includes a bottom plate, a plurality of first fixing portions and a plurality of second fixing portions, the bottom plate is a rectangular annular plate, the plurality of first fixing portions extend from the inner ring surface of the bottom plate to the center of the bottom plate for being fixedly connected with the electromagnetic assembly, and the second fixing portions extend in a direction perpendicular to the bottom plate for being fixedly connected with the antimagnetic cover.
In an optional embodiment, the first fixing portion includes four first fixing portions, the four first fixing portions are respectively located at four inner corners of the bottom plate, and the first fixing portions are provided with first through holes.
In an optional embodiment, the anti-magnetic shield comprises four second fixing portions, the four second fixing portions are symmetrically arranged on four edges of the bottom plate, and second through holes are formed in the second fixing portions so as to be fixedly connected with the anti-magnetic shield through anti-dismounting screws.
In an optional embodiment, the antimagnetic shield body is low carbon steel, soft magnetic alloy or electrician pure iron; the explosion-proof coating is glycidyl ether epoxy resin or glycidyl ester epoxy resin.
In an alternative embodiment, the thickness of the explosion-proof coating is 0.1-0.5 mm.
The utility model provides an electromagnetic valve system, includes solenoid valve for the defeated oil pipe line, the solenoid valve includes mechanical valve body subassembly and electromagnetism subassembly, still includes the antimagnetic interference device, the antimagnetic interference device is including antimagnetic cover and fixed subassembly, the antimagnetic cover is including antimagnetic cover body and cladding in the explosion-proof coating on antimagnetic cover body surface, the antimagnetic cover body is magnetic material for the cover is established the electromagnetism subassembly of solenoid valve is outside, in order to shield external magnetic field, be equipped with the louvre on the antimagnetic cover, fixed subassembly is used for fixing the antimagnetic cover with the electromagnetism subassembly.
Compared with the prior art, the invention has the beneficial effects that:
(1) the embodiment of the invention provides an electromagnetic valve antimagnetic interference device for an oil delivery pipeline, which can realize the installation of the antimagnetic cover by arranging a fixed component and arranging an explosion-proof coating on the surface of an antimagnetic cover body, can also avoid the problem of oil gas explosion around the oil delivery pipeline caused by sparks generated when a tool collides with the antimagnetic cover in the installation process, and can realize the shielding of the external magnetic field of the electromagnetic valve by using the antimagnetic cover, thereby avoiding the abnormal opening of the oil delivery pipeline and avoiding the loss caused by oil leakage and oil loss of a gas station;
(2) the main body structure of the rectangular frame structure is convenient to adapt to various electromagnetic valves for oil pipelines, the fixed installation of the anti-magnetic interference device is realized by using a small installation space, meanwhile, the top of the anti-magnetic cover is designed into a spherical segment surface, the middle part of the anti-magnetic cover adopts smooth transition, a favorable streamline magnetic conduction structure is formed with the main body structure, the magnetic conduction effect is improved, the interference of most of external magnetic fields on the electromagnetic valves can be shielded, and the anti-magnetic performance is improved by 30% compared with other structures (such as a square type, on the premise of the same structure size and weight);
(3) the fixing component provided by the invention can be clamped on the fixing bolts of the electromagnetic component and the mechanical valve body component through the first through hole, so that the fixing of the fixing component and the electromagnetic component is realized, the existing electromagnetic valve product is not influenced, and the applicability is wide.
Drawings
FIG. 1 is a schematic structural view of an electromagnetic interference preventing device for an electromagnetic valve of an oil pipeline according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antimagnetic cover according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 in two different directions;
fig. 4 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and specific examples.
Referring to fig. 1, an embodiment of the present invention provides an anti-magnetic interference device for an electromagnetic valve for an oil pipeline, including an anti-magnetic cover 1 and a fixing component 2, where the anti-magnetic cover 1 includes an anti-magnetic cover body and an anti-explosion coating coated on a surface of the anti-magnetic cover body, the anti-magnetic cover body is made of a magnetic material and is used to cover an external portion of an electromagnetic component of the electromagnetic valve to shield an external magnetic field, the anti-magnetic cover 1 is provided with heat dissipation holes 11 to prevent heat accumulation when the electromagnetic valve is energized for a long time, and the fixing component 2 is used to fix the anti-magnetic cover 1 and the electromagnetic component.
Specifically, in the embodiment of the invention, the electromagnetic valve comprises a mechanical valve body assembly and an electromagnetic assembly, and preferably, the electromagnetic valve is used for an oil pipeline of the oiling machine; the antimagnetic hood body can be formed by machining, die pressing or sheet metal forming processes on magnetic materials, and low-carbon steel, soft magnetic alloy or electrician pure iron materials are preferred; the anti-explosion coating is formed by coating or paving a layer of anti-explosion material on each surface of the anti-magnetic cover body, the anti-explosion material is usually plastic, preferably glycidyl ether epoxy resin or glycidyl ester epoxy resin, and the thickness of the anti-explosion coating is preferably 0.1-0.5mm so as to ensure the anti-magnetic effect and the anti-explosion performance; the preferred explosion-proof material of fixed subassembly 2 or the cladding have the explosion-proof coating of fixed subassembly, and fixed subassembly 2 can realize antimagnetic cover and electromagnetic component's fixed through the form of fasteners such as bolt, screw, rivet, can also realize antimagnetic cover and electromagnetic component's fixed through forms such as joint, joggle, preferably prevent tearing open the bolt.
The embodiment of the invention provides an electromagnetic valve anti-magnetic interference device for an oil delivery pipeline, which can realize the installation of the anti-magnetic cover, avoid the problem of oil gas explosion around the oil delivery pipeline caused by sparks generated when a tool collides with the anti-magnetic cover in the installation process and shield the external magnetic field of the electromagnetic valve by using the anti-magnetic cover by arranging a fixing component and arranging an anti-explosion coating on the surface of an anti-magnetic cover body, thereby avoiding the abnormal opening of the oil delivery pipeline and avoiding the loss caused by oil leakage and oil loss of a gas station.
Referring to fig. 2, in an alternative embodiment, the antimagnetic housing body includes a main body structure 12 and a cover plate 13, the main body structure 12 is a rectangular frame structure with openings at two ends, the cover plate 13 is a special-shaped arc surface, the special-shaped arc surface is a plane symmetric structure, the symmetric plane is two perpendicular planes (a and b shown in fig. 3) at the opening end of the main body structure 12, the bottom surface of the cover plate 13 is in a shape consistent with the opening of the main body structure 12, the top portion is a spherical segment surface, and the middle portion is in smooth transition. The major structure of rectangular frame structure be convenient for with multiple defeated oil circuit solenoid valve adaptation, be favorable to realizing utilizing less installation space to realize the fixed mounting of anti-magnetic interference device, simultaneously through the design into the face of spherical segment with antimagnetic cover top, the middle part adopts smooth and smooth transition, form favorable streamlined magnetic conduction structure with major structure, the magnetic conduction effect has been improved, can shield the interference of most external magnetic fields to the solenoid valve, compare with other structures (for example the tetragonal type, under the prerequisite of equal structure size weight), the antimagnetic ability has improved 30%.
In an alternative embodiment, the wall thickness of the cover plate is preferably 2.5-3.5mm, and the maximum height c is preferably 14-16 mm; the bottom surface of the cover plate is preferably 80-90mm long and 67-70mm wide, and the depth of the main body structure is preferably 80-110 mm. The cover plate with the structure is suitable for most of electromagnetic valves for oil conveying pipelines of oiling machines, and realizes the fixed installation of the anti-magnetic interference device by utilizing a small space.
Referring to fig. 4, in an alternative embodiment, the fixing assembly 2 includes a bottom plate 21, a plurality of first fixing portions 22 and a plurality of second fixing portions 23, the bottom plate 21 is a rectangular annular plate adapted to the bottom opening of the main body structure 12, the plurality of first fixing portions 22 extend from the inner annular surface of the bottom plate 21 to the center of the bottom plate 21 for fixedly connecting with the electromagnetic assembly, and the second fixing portions 23 extend in a direction perpendicular to the bottom plate 21 for fixedly connecting with the antimagnetic housing 1. The fixed subassembly of this structure, simple structure, and can follow the fixed of antimagnetic cover bottom realization antimagnetic cover and electromagnetic component, ensure that whole electromagnetic component is in antimagnetic device shielding range.
In an optional embodiment, the fixing assembly 2 includes four first fixing portions, the four first fixing portions are respectively located at four inner corners of the bottom plate, and the first fixing portions are provided with first through holes. The fixing assembly of the structure can be clamped on the fixing bolt of the electromagnetic assembly and the mechanical valve body assembly through the first through hole, the fixing of the electromagnetic assembly is achieved, the existing electromagnetic valve product is not affected, and the applicability is wide.
In an optional embodiment, the electromagnetic interference preventing device for the oil pipeline electromagnetic valve comprises four second fixing portions, the four second fixing portions are symmetrically arranged on four edges of the bottom plate, and the second fixing portions are provided with second through holes so as to be fixedly connected with the antimagnetic cover 1 through anti-detachment screws. The fixing component of the structure can effectively prevent the anti-magnetic interference device from being stolen.
The embodiment of the invention also provides an electromagnetic valve system which comprises an electromagnetic valve for an oil pipeline, wherein the electromagnetic valve comprises a mechanical valve body assembly, an electromagnetic assembly and an anti-magnetic interference device, the anti-magnetic interference device comprises an anti-magnetic cover 1 and a fixing assembly 2, the anti-magnetic cover 1 comprises an anti-magnetic cover body and an anti-explosion coating coated on the surface of the anti-magnetic cover body, the anti-magnetic cover body is made of magnetic materials and is used for covering the outside of the electromagnetic assembly of the electromagnetic valve to shield an external magnetic field, the anti-magnetic cover 1 is provided with heat dissipation holes, and the fixing assembly 2 is used for fixing the anti-magnetic cover 1 and the electromagnetic assembly.
Specifically, the electromagnetic valve provided by the embodiment of the invention is preferably an oil pipeline electromagnetic valve of the oiling machine, the anti-magnetic interference device is provided by the embodiment of the device, the beneficial effects of the device are achieved, and specific description is given with reference to the embodiment of the device, and details are not repeated herein.
The above description is only for the best mode of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. The utility model provides an defeated oil pipe is electromagnetism valve antimagnetic interference device for circuit, a serial communication port, including antimagnetic cover and fixed subassembly, antimagnetic cover includes antimagnetic cover body and cladding the explosion-proof coating on antimagnetic cover body surface, antimagnetic cover body is magnetic material for the cover is established the electromagnetism subassembly of solenoid valve is outside to shield external magnetic field, antimagnetic is covered and is equipped with the louvre, fixed subassembly is used for fixing antimagnetic cover with the electromagnetism subassembly.
2. The electromagnetic valve anti-magnetic interference device for the oil conveying circuit according to claim 1, wherein the anti-magnetic cover body comprises a main body structure and a cover plate, the main body structure is a rectangular frame structure with openings at two ends, the cover plate is a special-shaped arc surface, the special-shaped arc surface is a surface symmetrical structure, symmetrical planes are two perpendicular planes at the opening end of the main body structure, the bottom surface of the cover plate is consistent with the opening end of the main body structure in shape, the top part of the cover plate is a spherical segment surface, and the middle part of the cover plate is in smooth transition.
3. The electromagnetic valve anti-magnetic interference device for oil pipeline according to claim 2, wherein the wall thickness of the cover plate is 2.5-3.5mm, and the maximum height is 14-16 mm.
4. The electromagnetic valve anti-magnetic interference device for the oil pipeline circuit according to claim 3, wherein the bottom surface of the cover plate has a length of 80-90mm and a width of 67-70mm, and the depth of the body structure is 80-110 mm.
5. The electromagnetic valve anti-magnetic interference device for the oil pipeline according to claim 2, wherein the fixing assembly comprises a bottom plate, a plurality of first fixing portions and a plurality of second fixing portions, the bottom plate is a rectangular annular plate, the plurality of first fixing portions extend from the inner annular surface of the bottom plate to the center of the bottom plate for being fixedly connected with the electromagnetic assembly, and the second fixing portions extend in a direction perpendicular to the bottom plate for being fixedly connected with the anti-magnetic cover.
6. The electromagnetic valve anti-magnetic interference device for the oil conveying circuit according to claim 5, comprising four first fixing portions, wherein the four first fixing portions are respectively located at four inner corners of the bottom plate, and the first fixing portions are provided with first through holes.
7. The electromagnetic valve anti-magnetic interference device for the oil conveying circuit according to claim 5 or 6, comprising four second fixing portions, wherein the four second fixing portions are symmetrically arranged on four edges of the bottom plate, and the second fixing portions are provided with second through holes to realize fixed connection with the anti-magnetic cover through anti-disassembly screws.
8. The electromagnetic valve anti-magnetic interference device for the oil pipeline circuit according to claim 1, wherein the anti-magnetic cover body is low carbon steel, soft magnetic alloy or electrician pure iron; the explosion-proof coating is glycidyl ether epoxy resin or glycidyl ester epoxy resin.
9. The electromagnetic valve anti-magnetic interference device for the oil pipeline circuit according to claim 1, wherein the thickness of the anti-explosion coating is 0.1-0.5 mm.
10. The utility model provides an electromagnetic valve system, includes solenoid valve for the defeated oil pipe line, the solenoid valve includes mechanical valve body subassembly and electromagnetism subassembly, its characterized in that still includes the antimagnetic interference device, the antimagnetic interference device is including antimagnetic cover and fixed subassembly, the antimagnetic cover includes antimagnetic cover body and cladding the explosion-proof coating on antimagnetic cover body surface, the antimagnetic cover body is magnetic material for the cover is established the electromagnetism subassembly of solenoid valve is outside to shield external magnetic field, be equipped with the louvre on the antimagnetic cover, fixed subassembly is used for fixing the antimagnetic cover with the electromagnetism subassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014199.2A CN110953395B (en) | 2019-10-23 | 2019-10-23 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014199.2A CN110953395B (en) | 2019-10-23 | 2019-10-23 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110953395A true CN110953395A (en) | 2020-04-03 |
| CN110953395B CN110953395B (en) | 2021-08-10 |
Family
ID=69976426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911014199.2A Active CN110953395B (en) | 2019-10-23 | 2019-10-23 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110953395B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111420U (en) * | 1992-01-29 | 1992-07-29 | 许渭清 | Straightway steam electromagnetic valve with filter |
| CN202748075U (en) * | 2012-08-23 | 2013-02-20 | 天津市第五机床厂 | Flowmeter having magnetic interference prevention function |
| CN203416563U (en) * | 2013-08-09 | 2014-01-29 | 上海贝斯特电器制造有限公司 | Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter |
| CN104595555A (en) * | 2014-12-26 | 2015-05-06 | 杭州湘君电子有限公司 | External magnetic field prevention device of flow electromagnetic valve |
| CN207178828U (en) * | 2017-08-17 | 2018-04-03 | 无锡威孚高科技集团股份有限公司 | One kind stops solenoid |
-
2019
- 2019-10-23 CN CN201911014199.2A patent/CN110953395B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111420U (en) * | 1992-01-29 | 1992-07-29 | 许渭清 | Straightway steam electromagnetic valve with filter |
| CN202748075U (en) * | 2012-08-23 | 2013-02-20 | 天津市第五机床厂 | Flowmeter having magnetic interference prevention function |
| CN203416563U (en) * | 2013-08-09 | 2014-01-29 | 上海贝斯特电器制造有限公司 | Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter |
| CN104595555A (en) * | 2014-12-26 | 2015-05-06 | 杭州湘君电子有限公司 | External magnetic field prevention device of flow electromagnetic valve |
| CN207178828U (en) * | 2017-08-17 | 2018-04-03 | 无锡威孚高科技集团股份有限公司 | One kind stops solenoid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110953395B (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280420B (en) | Magnetron sputtering target having magnetic field enhancing and adjusting functions | |
| CN110953395B (en) | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system | |
| CN103062459B (en) | Automatic opening and closing pressure-relief anti-explosion safety valve for pipeline system | |
| CN108933538A (en) | Inverter electromagnetic compatibility case | |
| CN216028853U (en) | Multipoint vacuum adsorption jig and laser processing equipment | |
| CN206734211U (en) | The protection board of automobile engine | |
| CN209631451U (en) | A kind of spraying protecting tool set-up of ball-type part | |
| CN207580644U (en) | A kind of floating type adjustable caster device | |
| CN217035343U (en) | Take flexible straight transformer cooling oil gatherer of commutation of shield structure | |
| CN214506446U (en) | Shielded cable joint mounting structure and shielded cable joint applying same | |
| CN221482933U (en) | Electromagnetic valve with sealing structure | |
| CN110316390A (en) | Aircraft fuel case isolator | |
| CN207910322U (en) | A kind of anti-electromagnetic interference helicopter block terminal | |
| CN215928746U (en) | Explosion-proof integral type device of adsorbent | |
| CN215933293U (en) | Adjustable suction electromagnet | |
| CN206958348U (en) | A kind of protection valve valve position transmitter and the protective cover of travel switch | |
| CN218270928U (en) | Flow guide pipe and electromagnetic water meter | |
| CN109404638A (en) | Flange | |
| CN220029931U (en) | Eccentric positioning tool for scroll compressor | |
| CN216566764U (en) | Gas pipeline leakage safety arrangement | |
| CN217234810U (en) | Easy-to-detach movable elbow for oilfield fracturing | |
| CN214707548U (en) | Antimagnetic cabinet of large-current rectifying device | |
| CN221097536U (en) | Electric V-shaped ball valve | |
| CN208935409U (en) | The corrosion-resistant butterfly valve of DN350 ~ DN1000 wafer type two way seal | |
| US20230061897A1 (en) | Faucet shell and faucet made of such shell |
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 |