CN108838188B - Dustproof device for liquefied petroleum gas flowmeter - Google Patents
Dustproof device for liquefied petroleum gas flowmeter Download PDFInfo
- Publication number
- CN108838188B CN108838188B CN201810893868.7A CN201810893868A CN108838188B CN 108838188 B CN108838188 B CN 108838188B CN 201810893868 A CN201810893868 A CN 201810893868A CN 108838188 B CN108838188 B CN 108838188B
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- CN
- China
- Prior art keywords
- face
- sleeve
- dustproof
- rod
- dustproof box
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a dustproof device for a liquefied petroleum gas flowmeter, which comprises a pipe body and a flowmeter main body, wherein the flowmeter main body is arranged at the upper end of the pipe body, a dustproof box is arranged on the flowmeter main body, a sealing ring is adhered to the front end face of the dustproof box, a sealing plate is arranged at the front end of the sealing ring, a positioning rod is fixed on the rear end face of the sealing plate through a screw, the rear end of the positioning rod extends into the dustproof box, a U-shaped rod is arranged on the left end face of the dustproof box, the right end of the U-shaped rod is arranged in the positioning rod, a connecting rod is welded on the lower end face of the dustproof box, the lower end of the connecting rod is arranged in a sleeve through a rotating ball, and the upper end of the annular side face of the pipe body is provided with the sleeve.
Description
Technical Field
The invention relates to a dustproof device for a liquefied petroleum gas flowmeter, belonging to the field of petrochemical systems.
Background
In the prior art, because the existing flowmeter has no dustproof mechanism, and then after long-time use, the unavoidable dust that can fall on the display screen, and then influence and watch, and can't protect the flowmeter, and then when receiving external force, damage easily, so the urgent need is a dustproof device for liquefied petroleum gas flowmeter solves the above-mentioned problem that appears.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the dustproof device for the liquefied petroleum gas flowmeter, so as to solve the problems in the background art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a dust keeper for liquefied petroleum gas flowmeter, including body and flowmeter main part, the flowmeter main part is installed in the body upper end, be equipped with dustproof box in the flowmeter main part, the terminal surface bonds before the dustproof box has the sealing washer, the sealing washer front end is equipped with the closing plate, the closing plate rear end face has the locating lever through the fix with screw, the locating lever rear end extends to in the dustproof box, dustproof box left end face is equipped with U type pole, U type pole right-hand member is installed in the locating lever, the terminal surface welding has the connecting rod under the dustproof box, the connecting rod lower extreme is installed in the sleeve through the swivel, body annular side upper end is equipped with the sleeve, be equipped with rubber ring and damping spring in the sleeve, be equipped with the connecting rod in the rubber ring, damping spring fixes on the sleeve inner wall, damping spring right-hand member is connected with the connecting rod, the terminal surface is equipped with the swivel in the sleeve.
Further, the ball rotating groove is formed in the inner lower end face of the sleeve, balls are arranged in the ball rotating groove, more than four groups of damping springs are arranged in the damping springs, the more than four groups of damping springs are symmetrically arranged in the sleeve, and the more than four groups of damping springs are connected with the connecting rod.
Further, the connecting rod, the rubber ring, the damping spring and the sleeve are all provided with two groups, and the two groups of connecting rods, the rubber ring, the damping spring and the sleeve are symmetrically arranged on the lower end face of the dustproof box.
Further, the U-shaped rod is connected with the dustproof box through two groups of springs, the left end of the positioning rod is provided with a positioning hole, and the right end of the U-shaped rod is installed in the positioning hole.
Further, the locating rods are provided with four groups, the four groups of locating rods are respectively arranged at four corners of the rear end face of the sealing plate, and the right ends of the four groups of locating rods symmetrically extend into the dustproof box.
Further, the limiting hole is formed in the rear end face of the dustproof box, the locating rod is arranged in the limiting hole, and the front end of the sealing plate is fixed with the handle through the screw.
The invention has the beneficial effects that: the invention relates to a dustproof device for a liquefied petroleum gas flowmeter, which is characterized in that a dustproof box, a sealing ring, a sealing plate, a connecting rod, a sleeve, a positioning rod, a U-shaped rod, a rubber ring, a damping spring and a rotating ball are added, the design is that the dustproof box, the sealing plate and the sealing ring are arranged to prevent dust on a flowmeter main body, when the flowmeter is required to be watched, the U-shaped rod is pulled to move rightwards until the U-shaped rod moves out of a positioning hole, then a handle is held to move forwards, the handle drives the sealing plate to move forwards, the positioning rod is driven to move forwards until the positioning rod moves out completely, at the moment, the flowmeter main body can be watched, after the use is finished, the handle is held to attach the sealing plate to the sealing ring, the positioning rod enters the dustproof box, and the positioning rod is convenient to position due to a limiting hole arranged in the dustproof box, the positioning rod is prevented from being installed misplaced, and then the U-shaped rod is loosened, the U-shaped rod enters the positioning hole under the action of the spring, so that the positioning rod is positioned, the sealing plate is fixed, and then the flowmeter main body is dustproof, when the dustproof box is subjected to external force, the dustproof box moves forward, the dustproof box moves the connecting rod to move forward, the connecting rod rotates forward in the sleeve through the rotary ball, and further the rubber ring and the damping spring are extruded forward, and then under the action of the rubber ring and the damping spring, the impact force is reduced, the dustproof box is buffered, and then the flowmeter main body is protected, the flowmeter is convenient to use, dust is convenient to prevent, damage is avoided, the problem that the existing flowmeter is not provided with a dustproof mechanism, and then the dust can not fall on the display screen after long-time use, so that the flowmeter cannot be watched, and the flowmeter cannot be protected, and is easy to damage when the flowmeter is subjected to external force is solved.
Because the ball rotating groove is added, the design is convenient for ball rotating installation, because the positioning hole is added, the U-shaped rod is convenient for positioning the positioning rod, because the limiting hole is added, the design is convenient for limiting the positioning rod, further the dislocation of the sealing plate is avoided, and because the handle is added, the design is convenient for taking the sealing plate, the novel ball rotating device is convenient to use, convenient for dust prevention, convenient for protection, damage avoidance and high in reliability.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a dustproof device for a liquefied petroleum gas flowmeter;
FIG. 2 is a schematic cross-sectional view of a dust-proof device for a liquefied petroleum gas flow meter according to the present invention;
in the figure: 1-pipe body, 2-flowmeter main part, 3-dustproof box, 4-sealing washer, 5-closing plate, 6-connecting rod, 7-sleeve, 8-locating lever, 9-U type pole, 10-rubber ring, 11-damping spring, 12-swivel.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 and 2, the present invention provides a technical solution: the dustproof device for the liquefied petroleum gas flowmeter comprises a pipe body 1 and a flowmeter main body 2, wherein the flowmeter main body 2 is arranged at the upper end of the pipe body 1, a dustproof box 3 is arranged on the flowmeter main body 2, a sealing ring 4 is adhered to the front end face of the dustproof box 3, a sealing plate 5 is arranged at the front end of the sealing ring 4, a positioning rod 8 is fixed on the rear end face of the sealing plate 5 through a screw, the rear end of the positioning rod 8 extends into the dustproof box 3, a U-shaped rod 9,U-shaped rod 9 is arranged at the left end face of the dustproof box 3, the right end of the U-shaped rod 9,U-shaped rod is arranged in the positioning rod 8, a connecting rod 6 is welded on the lower end face of the dustproof box 3, the lower end of the connecting rod 6 is arranged in a sleeve 7 through a rotating ball 12, the sleeve 7 is welded at the upper end of the annular side face of the pipe body, a rubber ring 10 and a damping spring 11 are arranged in the sleeve 7, the connecting rod 6 is arranged in the rubber ring 10, the damping spring 11 is fixed on the inner wall of the sleeve 7, the right end of the damping spring 11 is connected with the connecting rod 6, the lower end face in the sleeve 7 is provided with a rotating ball 12, when the flow meter main body 2 is required to be watched, the U-shaped rod 9 is pulled to move rightwards until the U-shaped rod 9 moves out of the positioning hole, then the handle is held to move forwards, the handle drives the sealing plate 5 to move forwards, the sealing plate 5 drives the positioning rod 8 to move forwards until the positioning rod 8 moves out of the positioning rod completely, the flow meter main body 2 can be watched at the moment, after the use is finished, the handle is held to attach the sealing plate 5 to the sealing ring 4, the positioning rod 8 enters the dustproof box 3, the positioning rod 8 is conveniently positioned due to the limiting hole arranged in the dustproof box 3, the sealing plate 5 is prevented from being installed and misplaced, then the U-shaped rod 9,U is loosened, the U-shaped rod 9 enters the positioning hole under the action of the spring, the positioning rod 8 is further positioned, the sealing plate 5 is further fixed, the flow meter main body 2 is further dustproof, when the dustproof box 3 is subjected to external force, the dustproof box 3 drives the connecting rod 6 to move forwards, the connecting rod 6 rotates forwards in the sleeve 7 through the rotary ball 12, the rubber ring 10 and the damping spring 11 are further extruded forwards, the impact force is reduced under the action of the rubber ring 10 and the damping spring 11, the dustproof box 3 is buffered, the flowmeter main body 2 is protected, the use is convenient, the dustproof and the protection are convenient, damage is avoided, and the reliability is high.
The ball rotating groove is formed in the inner lower end face of the sleeve 7, the ball rotating 12 is arranged in the ball rotating groove, the damping springs 11 are arranged in more than four groups, the damping springs 11 are symmetrically arranged in the sleeve 7, the damping springs 11 are connected with the connecting rod 6, the ball rotating 12 is convenient to install, the connecting rod 6 is further convenient to rotate, and the connecting rod 6 is convenient to buffer through the setting of the damping springs 11.
The connecting rod 6, the rubber ring 10, the damping spring 11 and the sleeve 7 are all provided with two groups, and the two groups of connecting rods 6, the rubber ring 10, the damping spring 11 and the sleeve 7 are symmetrically arranged on the lower end face of the dustproof box 3, so that the dustproof box 3 is convenient to stably support, and meanwhile, the buffering effect is improved.
The U-shaped rod 9 is connected with the dustproof box 3 through two groups of springs, the loss of the U-shaped rod 9 is avoided, the left end of the positioning rod 8 is provided with a positioning hole, the right end of the U-shaped rod 9 is installed in the positioning hole, the U-shaped rod 9 is convenient to position the positioning rod 8, and then the sealing plate 5 is convenient to fix.
The locating rods 8 are provided with four groups, the four groups of locating rods 8 are respectively arranged at four corners of the rear end face of the sealing plate 5, the right ends of the four groups of locating rods 8 symmetrically extend into the dustproof box 3, and the sealing plate 5 is convenient to stably install.
Limiting holes are formed in the rear end face of the dustproof box 3, positioning rods 8 are arranged in the limiting holes, the positioning rods 8 are convenient to insert, dislocation of the sealing plate 5 is avoided, sealing and dust prevention are affected, handles are fixed to the front end of the sealing plate 5 through screws, and the sealing plate 5 is convenient to operate.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a dustproof device for liquefied petroleum gas flowmeter, includes body (1) and flowmeter main part (2), its characterized in that: the flowmeter comprises a flowmeter body (2), a dustproof box (3) arranged on the flowmeter body (2), a sealing ring (4) adhered to the front end face of the dustproof box (3), a sealing plate (5) arranged at the front end of the sealing ring (4), a positioning rod (8) fixed on the rear end face of the sealing plate (5) through a screw, the rear end of the positioning rod (8) extends into the dustproof box (3), a U-shaped rod (9) arranged on the left end face of the dustproof box (3), a right end of the U-shaped rod (9) is arranged in the positioning rod (8), a connecting rod (6) is welded to the lower end face of the dustproof box (3), a rotating ball (12) is arranged in a sleeve (7) at the lower end face of the connecting rod (6), a sleeve (7) is arranged at the upper end of the annular side face of the pipe body (1), a rubber ring (10) and a connecting rod (6) are arranged in the sleeve (7), the rubber ring (10) and the damping spring (11) is fixed on the inner wall of the sleeve (7), the right end of the damping spring (11) is connected with the connecting rod (6), a rotating ball (12) is arranged in the lower end face of the sleeve (7), and a rotating ball (12) is arranged in the rotating ball;
the U-shaped rod (9) is connected with the dustproof box (3) through two groups of springs, a positioning hole is formed in the left end of the positioning rod (8), and the right end of the U-shaped rod (9) is installed in the positioning hole;
the rear end face of the dustproof box (3) is provided with a limiting hole, so that the locating rod (8) can be conveniently inserted.
2. The dustproof device for the liquefied petroleum gas flowmeter according to claim 1, wherein: the damping springs (11) are provided with more than four groups, the more than four groups of damping springs (11) are symmetrically arranged in the sleeve (7), and the more than four groups of damping springs (11) are connected with the connecting rod (6).
3. The dustproof device for the liquefied petroleum gas flowmeter according to claim 1, wherein: the connecting rod (6), the rubber ring (10), the damping spring (11) and the sleeve (7) are all provided with two groups, and the two groups of connecting rods (6), the rubber ring (10), the damping spring (11) and the sleeve (7) are symmetrically arranged below the dustproof box (3).
4. The dustproof device for the liquefied petroleum gas flowmeter according to claim 1, wherein: the locating rods (8) are provided with four groups, the four groups of locating rods (8) are respectively arranged at four corners of the rear end face of the sealing plate (5), and the right ends of the four groups of locating rods (8) symmetrically extend into the dustproof box (3).
5. The dustproof device for the liquefied petroleum gas flowmeter according to claim 1, wherein: the front end of the sealing plate (5) is fixed with a handle through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893868.7A CN108838188B (en) | 2018-08-08 | 2018-08-08 | Dustproof device for liquefied petroleum gas flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893868.7A CN108838188B (en) | 2018-08-08 | 2018-08-08 | Dustproof device for liquefied petroleum gas flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108838188A CN108838188A (en) | 2018-11-20 |
| CN108838188B true CN108838188B (en) | 2023-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893868.7A Active CN108838188B (en) | 2018-08-08 | 2018-08-08 | Dustproof device for liquefied petroleum gas flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838188B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU748929A1 (en) * | 1978-04-25 | 1980-07-15 | Предприятие П/Я Г-4366 | Instrument foot |
| CN203148393U (en) * | 2013-04-01 | 2013-08-21 | 莱芜钢铁集团有限公司 | Dustproof device for cold-metal detector |
| CN204136906U (en) * | 2014-10-09 | 2015-02-04 | 綦涛 | A kind of with shockproof and board information terminal bogey that is dust reduction capability |
| CN205208146U (en) * | 2015-08-25 | 2016-05-04 | 重庆瑞力比燃气设备有限责任公司 | Gas table controlling means |
| CN205716427U (en) * | 2016-04-19 | 2016-11-23 | 无锡市第二人民医院 | A kind of Portable oxygen cylinder universal stand with shock-absorbing function |
| CN206575582U (en) * | 2017-03-09 | 2017-10-20 | 东莞市楚鑫电子科技有限公司 | A kind of multi-functional receiver dust guard |
| CN107318237A (en) * | 2017-06-27 | 2017-11-03 | 张莉 | A kind of industrial computer slidingtype control panel |
| CN206619396U (en) * | 2017-04-18 | 2017-11-07 | 唐玉勤 | A kind of instrument and meter dust guard |
| CN207052842U (en) * | 2017-06-15 | 2018-02-27 | 重庆工业职业技术学院 | A kind of electric automatization socket dust guard |
| CN207093879U (en) * | 2017-06-20 | 2018-03-13 | 盐城市星火阀业制造股份有限公司 | A kind of dust guard for gauge valve instrument |
| CN207151017U (en) * | 2017-09-15 | 2018-03-27 | 王强 | A kind of energy-saving chemical instruments dust guard |
| CN207261995U (en) * | 2017-08-28 | 2018-04-20 | 南通感创电子科技有限公司 | A kind of damping of corridor monitoring |
| CN207527025U (en) * | 2017-11-01 | 2018-06-22 | 扬州易斯达照明科技有限公司 | A kind of externally positioned type photoelectric controller dust guard |
| CN207604085U (en) * | 2017-12-12 | 2018-07-10 | 特变电工国际工程有限公司 | A kind of anti-air hermetic dust guard of power ampere |
| CN207698415U (en) * | 2018-01-08 | 2018-08-07 | 淮阴师范学院 | A kind of optical device vacuum dust guard |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU748929A1 (en) * | 1978-04-25 | 1980-07-15 | Предприятие П/Я Г-4366 | Instrument foot |
| CN203148393U (en) * | 2013-04-01 | 2013-08-21 | 莱芜钢铁集团有限公司 | Dustproof device for cold-metal detector |
| CN204136906U (en) * | 2014-10-09 | 2015-02-04 | 綦涛 | A kind of with shockproof and board information terminal bogey that is dust reduction capability |
| CN205208146U (en) * | 2015-08-25 | 2016-05-04 | 重庆瑞力比燃气设备有限责任公司 | Gas table controlling means |
| CN205716427U (en) * | 2016-04-19 | 2016-11-23 | 无锡市第二人民医院 | A kind of Portable oxygen cylinder universal stand with shock-absorbing function |
| CN206575582U (en) * | 2017-03-09 | 2017-10-20 | 东莞市楚鑫电子科技有限公司 | A kind of multi-functional receiver dust guard |
| CN206619396U (en) * | 2017-04-18 | 2017-11-07 | 唐玉勤 | A kind of instrument and meter dust guard |
| CN207052842U (en) * | 2017-06-15 | 2018-02-27 | 重庆工业职业技术学院 | A kind of electric automatization socket dust guard |
| CN207093879U (en) * | 2017-06-20 | 2018-03-13 | 盐城市星火阀业制造股份有限公司 | A kind of dust guard for gauge valve instrument |
| CN107318237A (en) * | 2017-06-27 | 2017-11-03 | 张莉 | A kind of industrial computer slidingtype control panel |
| CN207261995U (en) * | 2017-08-28 | 2018-04-20 | 南通感创电子科技有限公司 | A kind of damping of corridor monitoring |
| CN207151017U (en) * | 2017-09-15 | 2018-03-27 | 王强 | A kind of energy-saving chemical instruments dust guard |
| CN207527025U (en) * | 2017-11-01 | 2018-06-22 | 扬州易斯达照明科技有限公司 | A kind of externally positioned type photoelectric controller dust guard |
| CN207604085U (en) * | 2017-12-12 | 2018-07-10 | 特变电工国际工程有限公司 | A kind of anti-air hermetic dust guard of power ampere |
| CN207698415U (en) * | 2018-01-08 | 2018-08-07 | 淮阴师范学院 | A kind of optical device vacuum dust guard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108838188A (en) | 2018-11-20 |
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