CN112864847B - Power distribution cabinet with positive pressure protection function - Google Patents
Power distribution cabinet with positive pressure protection function Download PDFInfo
- Publication number
- CN112864847B CN112864847B CN202110067781.6A CN202110067781A CN112864847B CN 112864847 B CN112864847 B CN 112864847B CN 202110067781 A CN202110067781 A CN 202110067781A CN 112864847 B CN112864847 B CN 112864847B
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- fixedly arranged
- rod
- movable
- wall
- cabinet body
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention relates to the technical field of power distribution equipment and discloses a power distribution cabinet with a positive pressure protection function, which comprises a cabinet body, an adjusting component and a movable component, wherein an observation window is fixedly arranged on the front surface of the cabinet body, a handle is fixedly arranged on the front surface of the cabinet body, an air inlet pipe is fixedly arranged on the left side of the cabinet body, a partition plate is fixedly arranged on the inner wall of the cabinet body, an air supplementing pipe is fixedly arranged on the inner wall of the partition plate, a placing box is fixedly arranged at the bottom end of the air supplementing pipe, and the movable component is movably connected inside the placing box. This provide switch board of malleation protect function, through the first carousel of the inner wall bottom of the cabinet body, the positive swing joint movable rod of first carousel, the connecting rod is all installed to movable rod bottom both sides, installs the kelly on the connecting rod, and rethread kelly is connected with the second carousel, and the positive installation ball head pole of second carousel, and ball head pole is connected with the guide arm, makes it can drive the guide arm and carries out periodic removal.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to a power distribution cabinet with a positive pressure protection function.
Background
Along with the improvement of living standard and the development of the technological level, the switch board has become the most common equipment among the distribution equipment, and some electrical components can be installed in the switch board when using, because the service environment of switch board is different, and can appear in the indoor environment that corrosive gas concentration is high, therefore the user is to the increasing of the demand of high-level quality's switch board that provides positive pressure protect function, and current switch board still exists and does not possess positive pressure protect function, lead to the switch board under the long-time circumstances of using, can appear getting into the inside of switch board by corrosive gas, influence the normal problem of using of inside electrical components, so we propose a switch board that provides positive pressure protect function to solve foretell problem.
Disclosure of Invention
In order to achieve the purpose of providing the positive pressure protection function and preventing corrosive gas from entering the inside of the power distribution cabinet, the invention provides the following technical scheme: the power distribution cabinet comprises a cabinet body, an adjusting assembly and a movable assembly, wherein an observation window is fixedly arranged on the front surface of the cabinet body, a handle is fixedly arranged on the front surface of the cabinet body, and an air inlet pipe is fixedly arranged on the left side of the cabinet body;
the inner wall fixed mounting of the cabinet body has the baffle, the inner wall fixed mounting of baffle has the moisturizing pipe, the bottom fixed mounting of moisturizing pipe has the case of placing, the inside swing joint of placing the case has movable subassembly, the inside swing joint of the cabinet body has adjusting part.
As the optimization, adjusting part includes first carousel, the positive swing joint of first carousel has movable rod, the equal fixed mounting in bottom both sides of movable rod has the connecting rod, two the equal swing joint in opposite one side of connecting rod has the draw-in lever, one side swing joint that the draw-in lever kept away from the connecting rod has the second carousel, the draw-in groove has been seted up to the outer wall of second carousel, the positive swing joint of second carousel has the bulb pole, one side swing joint that the bulb pole kept away from the connecting rod has the guide arm, makes it can the guide arm carry out periodic movement.
As the optimization, the movable component includes the wind spring, the equal fixed mounting in both sides of wind spring has the horizontal pole, the outer wall swing joint of horizontal pole has the slide bar, the top fixed mounting of slide bar has the sloping block, the spout has been seted up to one side that the sloping block is close to the wind spring, the top swing joint of wind spring has the movable block, the equal fixed mounting in both sides of movable block has the slider, the top fixed mounting of movable block has the bracing piece, the top fixed mounting of bracing piece has the piston board, the through-hole has been seted up on the top of piston board, the inner wall left side fixed mounting fixed block of through-hole, the right side swing joint of fixed block has the fly leaf, the inner wall right side fixed mounting of through-hole has the baffle, makes it provide malleation protect function for cabinet internal portion.
As optimization, first carousel fixed mounting is in the inner wall bottom of the cabinet body, the top fixed mounting of first carousel has the projection, and logical groove has been seted up in the front of movable rod, and first carousel passes through the projection and is connected with the movable rod.
As optimization, the coil spring is fixedly arranged at the bottom end of the inner wall of the placement box, one side of the cross rod is fixedly arranged on the outer wall of the coil spring, and the other side of the cross rod is fixedly arranged on the inner wall of the placement box.
As optimization, the number of the second turntables is two, so that the vertical center lines of the placing boxes are symmetrically distributed and are positioned on the left side and the right side of the placing boxes.
As optimization, the number of the clamping rods is fourteen, each seven clamping rods is in a group, and one side, close to the second turntable, of each clamping rod is located in the clamping groove.
As optimization, one side of the guide rod, which is close to the placement box, penetrates through the placement box and is connected with the slide bar, the inclined block is positioned at two sides of the moving block, and the slide block is positioned in the slide groove.
As optimization, the right side of fixed block has seted up the arc wall, and the left side of fly leaf is located the inside of arc wall, and the fly leaf is located the top of baffle.
The beneficial effects of the invention are as follows: this provide switch board of malleation protect function, through the first carousel of the inner wall bottom of the cabinet body, the positive swing joint movable rod of first carousel, the connecting rod is all installed to movable rod bottom both sides, installs the kelly on the connecting rod, and rethread kelly is connected with the second carousel, and the positive installation ball head pole of second carousel, and ball head pole is connected with the guide arm, makes it can drive the guide arm and carries out periodic removal.
This provide switch board of malleation protect function, through the left side installation intake pipe of the cabinet body, and the cabinet body internally mounted place the case, place the inner wall installation horizontal pole of case, horizontal pole outer wall installation slide bar, and slide bar top installation sloping block, install the wind spring between two horizontal poles of rethread, the kicker top installation movable block, and the piston board is connected with the movable block by the bracing piece for the piston board can be with placing the inside gaseous top through the air compensating pipe propelling movement to the baffle of case, avoids electrical component to receive corrosive gas's influence.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the adjusting assembly of the present invention;
FIG. 4 is a schematic view of the partial structure of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the movable assembly structure of the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 5 a according to the present invention.
In the figure: 1. a cabinet body; 2. an observation window; 3. a handle; 4. an air inlet pipe; 5. an air supplementing pipe; 6. a partition plate; 7. placing a box; 8. an adjustment assembly; 9. a movable assembly; 801. a first turntable; 802. a movable rod; 803. a ball head rod; 804. a clamping rod; 805. a connecting rod; 806. a guide rod; 807. a second turntable; 808. a clamping groove; 901. a coil spring; 902. a moving block; 903. a sloping block; 904. a piston plate; 905. a cross bar; 906. a slide bar; 907. a slide block; 908. a chute; 909. a support rod; 910. a through hole; 911. a fixed block; 912. a baffle; 913. a movable plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Please refer to fig. 1: the utility model provides a power distribution cabinet with positive pressure protection function, includes cabinet body 1, adjusting component 8 and movable component 9, and observation window 2 is fixed to the front of cabinet body 1, and handle 3 is fixed to the front of cabinet body 1, and intake pipe 4 is fixed to the left side of cabinet body 1;
please refer to fig. 2: the inner wall fixed mounting of the cabinet body 1 has baffle 6, and the inner wall fixed mounting of baffle 6 has the moisturizing pipe 5, and the bottom fixed mounting of moisturizing pipe 5 has to place case 7, and the inside swing joint of placing case 7 has movable assembly 9, and the inside swing joint of the cabinet body 1 has adjusting part 8.
According to fig. 1-2: through cabinet 1 left side installation intake pipe 4 for the gas can be supplemented, the moisturizing pipe 5 of rethread installation on the baffle 6 is connected with placing case 7, makes gas and electrical component contact, and then avoids corrosive gas to get into cabinet 1 inside.
Further according to the assembly in fig. 3: the adjusting component 8 comprises a first rotary table 801, wherein the front surface of the first rotary table 801 is movably connected with a movable rod 802, two sides of the bottom end of the movable rod 802 are fixedly provided with connecting rods 805, two opposite sides of the two connecting rods 805 are movably connected with clamping rods 804, one side of each clamping rod 804, which is far away from the connecting rod 805, is movably connected with a second rotary table 807, the outer wall of the second rotary table 807 is provided with a clamping groove 808, the front surface of the second rotary table 807 is movably connected with a ball rod 803, and one side of each ball rod 803, which is far away from the connecting rod 805, is movably connected with a guide rod 806;
the built-in motor is started to drive the first turntable 801 to rotate, the first turntable 801 drives the movable rod 802 to move, the movable rod 802 drives the connecting rod 805 to move, the connecting rod 805 drives the clamping rod 804 to move, and then the second turntable 807 is driven to rotate, so that the second turntable 807 drives the guide rod 806 to periodically move.
Further according to the assembly in fig. 5: the movable assembly 9 comprises a coil spring 901, wherein two sides of the coil spring 901 are fixedly provided with a cross rod 905, the outer wall of the cross rod 905 is movably connected with a slide rod 906, the top end of the slide rod 906 is fixedly provided with an inclined block 903, one side of the inclined block 903 close to the coil spring 901 is provided with a slide groove 908, the top end of the coil spring 901 is movably connected with a movable block 902, two sides of the movable block 902 are fixedly provided with a slide block 907, the top end of the movable block 902 is fixedly provided with a supporting rod 909, the top end of the supporting rod 909 is fixedly provided with a piston plate 904, the top end of the piston plate 904 is provided with a through hole 910, the left side of the inner wall of the through hole 910 is fixedly provided with a fixed block 911, the right side of the fixed block 911 is movably connected with a movable plate 913, and the right side of the inner wall of the through hole 910 is fixedly provided with a baffle 912;
because the guide rod 806 is connected with the sliding rod 906, the guide rod 806 drives the sliding rod 906 to move along the cross rod 905, and the sliding rod 906 drives the inclined block 903 to move, so that the inclined block 903 is pushed to move upwards, and the piston plate 904 is pushed to move.
Further according to the adjusting assembly 8 in fig. 3-4: the first carousel 801 fixed mounting is in the inner wall bottom of cabinet body 1, and the top fixed mounting of first carousel 801 has the projection, and logical groove has been seted up on the front of movable rod 802, and first carousel 801 passes through the projection to be connected with movable rod 802, and the quantity of second carousel 807 is two to place the perpendicular central line symmetric distribution of case 7, and be located the left and right sides of placing case 7, and the quantity of clamping rod 804 is fourteen, and every seven is a set of, and the one side that clamping rod 804 is close to second carousel 807 is located the inside of draw-in groove 808.
The second turntable 807 is provided with a clamping groove 808 by installing a clamping rod 804 on the connecting rod 805, so that the second turntable 807 can be pushed to rotate when the connecting rod 805 moves.
According to the movable assembly 9 of fig. 5-6, further: the coil spring 901 is fixedly mounted at the bottom end of the inner wall of the placement box 7, one side of the cross rod 905 is fixedly mounted at the outer wall of the coil spring 901, the other side of the cross rod 905 is fixedly mounted on the inner wall of the placement box 7, one side of the guide rod 806, which is close to the placement box 7, penetrates through the placement box 7 and is connected with the sliding rod 906, the inclined block 903 is located at two sides of the moving block 902, the sliding block 907 is located in the sliding groove 908, the right side of the fixed block 911 is provided with an arc-shaped groove, the left side of the movable plate 913 is located in the arc-shaped groove, and the movable plate 913 is located at the top end of the baffle 912.
By installing the coil spring 901 at the bottom end of the moving block 902, when the inclined block 903 moves to two sides, the moving block 902 can move downwards, and the movable plate 913 is arranged, so that other flowing to the bottom end of the piston plate 904 can be avoided when the piston plate 904 moves upwards, and meanwhile, when the piston plate 904 moves downwards, the gas at the bottom end enters the top end of the piston plate 904 through the through hole 910, so that the gas is replenished.
Working principle: when the device is used, the device is moved to a designated area, the left side of the air inlet pipe 4 is connected with air or protective gas, a built-in motor is started to drive the first rotary table 801 to rotate, the first rotary table 801 drives the movable rod 802 to move up and down, the movable rod 802 drives the connecting rod 805 to move, the connecting rod 805 drives the clamping rod 804 to move, the second rotary table 807 is connected with the clamping rod 804 through the clamping groove 808, the clamping rod 804 drives the second rotary table 807 to rotate, the ball head rod 803 is mounted on the front surface of the second rotary table 807, the ball head rod 803 is connected with the guide rod 806, the second rotary table 807 drives the guide rod 806 to move, the guide rod 806 drives the slide rod 906 to move along the cross rod 905, the slide rod 906 drives the inclined blocks 903 mounted on the top to move, the two inclined blocks 903 are gradually close, and the slide groove 908 is formed in the inclined blocks 903, and the slide block 907 is arranged in the slide groove 908, so that the movable block 902 drives the movable block 902 to move up and down, the piston plate 904 on the top of the support rod 909 is upwards, the top end of the piston plate 904 is pushed to the top end of the second rotary table 807 through the air supplementing pipe 5, the electric element is corroded by the top end of the partition plate 6, the electric element is prevented from contacting the inner wall of the air inlet pipe 4, and the inner wall of the air inlet pipe 7 can be placed through the air inlet pipe 4.
In summary, according to the power distribution cabinet with positive pressure protection function, through the first rotating disc 801 at the bottom end of the inner wall of the cabinet body 1, the front surface of the first rotating disc 801 is movably connected with the movable rod 802, the two sides of the bottom end of the movable rod 802 are respectively provided with the connecting rod 805, the connecting rod 805 is provided with the clamping rod 804, the clamping rod 804 is connected with the second rotating disc 807, the front surface of the second rotating disc 807 is provided with the ball rod 803, and the ball rod 803 is connected with the guide rod 806, so that the guide rod 806 can be driven to periodically move; through the left side installation intake pipe 4 of cabinet body 1, and cabinet body 1's internally mounted places case 7, place the inner wall installation horizontal pole 905 of case 7, horizontal pole 905 outer wall installation slide bar 906, and slide bar 906 top installation sloping block 903, install coil spring 901 between two horizontal poles 905 of rethread, coil spring 901 top installation movable block 902, and piston plate 904 is connected with movable block 902 by bracing piece 909 for piston plate 904 can be with place the inside gaseous top of pushing to baffle 6 of case 7 through air feed pipe 5, avoids electrical component to receive the influence of corrosive gas.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (3)
1. The utility model provides a power distribution cabinet of malleation protect function, includes cabinet body (1), adjusting part (8) and movable part (9), its characterized in that: the novel intelligent cabinet is characterized in that an observation window (2) is fixedly arranged on the front face of the cabinet body (1), a handle (3) is fixedly arranged on the front face of the cabinet body (1), and an air inlet pipe (4) is fixedly arranged on the left side of the cabinet body (1);
the novel intelligent cabinet is characterized in that a partition plate (6) is fixedly arranged on the inner wall of the cabinet body (1), an air supplementing pipe (5) is fixedly arranged on the inner wall of the partition plate (6), a placement box (7) is fixedly arranged at the bottom end of the air supplementing pipe (5), a movable assembly (9) is movably connected inside the placement box (7), and an adjusting assembly (8) is movably connected inside the cabinet body (1);
the adjusting component (8) comprises a first rotary table (801), wherein the front face of the first rotary table (801) is movably connected with a movable rod (802), two sides of the bottom end of the movable rod (802) are fixedly provided with connecting rods (805), two opposite sides of the connecting rods (805) are movably connected with clamping rods (804), one side, far away from the connecting rods (805), of each clamping rod (804) is movably connected with a second rotary table (807), the outer wall of each second rotary table (807) is provided with a clamping groove (808), the front face of each second rotary table (807) is movably connected with a ball rod (803), and one side, far away from the connecting rods (805), of each ball rod (803) is movably connected with a guide rod (806);
the first rotary table (801) is fixedly arranged at the bottom end of the inner wall of the cabinet body (1), a convex column is fixedly arranged at the top end of the first rotary table (801), a through groove is formed in the front surface of the movable rod (802), and the first rotary table (801) is connected with the movable rod (802) through the convex column;
the number of the second turntables (807) is two, the second turntables are symmetrically distributed on the vertical center line of the placement box (7) and are positioned on the left side and the right side of the placement box (7);
the number of the clamping rods (804) is fourteen, each seven is in a group, and one side of the clamping rods (804) close to the second turntable (807) is positioned in the clamping groove (808);
the movable assembly (9) comprises a coil spring (901), cross rods (905) are fixedly arranged on two sides of the coil spring (901), a sliding rod (906) is movably connected to the outer wall of the cross rod (905), an inclined block (903) is fixedly arranged at the top end of the sliding rod (906), a sliding groove (908) is formed in one side, close to the coil spring (901), of the inclined block (903), a movable block (902) is movably connected to the top end of the coil spring (901), sliding blocks (907) are fixedly arranged on two sides of the movable block (902), supporting rods (909) are fixedly arranged at the top end of the movable block (902), a piston plate (904) is fixedly arranged at the top end of the supporting rods (909), a through hole (910) is formed in the top end of the piston plate (904), a fixed block (911) is fixedly arranged on the left side of the inner wall of the through hole (910), a movable plate (913) is movably connected to the right side of the fixed block (911), and a baffle (912) is fixedly arranged on the right side of the inner wall of the through hole (910).
One side of the guide rod (806) close to the placement box (7) penetrates through the placement box (7) and is connected with the sliding rod (906), the inclined blocks (903) are located on two sides of the moving block (902), and the sliding blocks (907) are located in the sliding grooves (908).
2. A power distribution cabinet providing positive pressure protection according to claim 1, characterized in that: the coil spring (901) is fixedly arranged at the bottom end of the inner wall of the placement box (7), one side of the cross rod (905) is fixedly arranged on the outer wall of the coil spring (901), and the other side of the cross rod (905) is fixedly arranged on the inner wall of the placement box (7).
3. A power distribution cabinet providing positive pressure protection according to claim 1, characterized in that: an arc-shaped groove is formed in the right side of the fixed block (911), the left side of the movable plate (913) is located in the arc-shaped groove, and the movable plate (913) is located at the top end of the baffle (912).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067781.6A CN112864847B (en) | 2021-01-19 | 2021-01-19 | Power distribution cabinet with positive pressure protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110067781.6A CN112864847B (en) | 2021-01-19 | 2021-01-19 | Power distribution cabinet with positive pressure protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112864847A CN112864847A (en) | 2021-05-28 |
| CN112864847B true CN112864847B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110067781.6A Active CN112864847B (en) | 2021-01-19 | 2021-01-19 | Power distribution cabinet with positive pressure protection function |
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| CN (1) | CN112864847B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207677286U (en) * | 2018-01-18 | 2018-07-31 | 合隆防爆电气有限公司 | Positive pressure type explosion-proof power distribution cabinet spark arrester and positive pressure type explosion-proof power distribution cabinet |
| CN108973799A (en) * | 2017-06-04 | 2018-12-11 | 李洪东 | A kind of adjustable seat that tractor uses |
| CN208424413U (en) * | 2018-05-25 | 2019-01-22 | 王林甲 | A kind of commercial street smart home router |
| CN110461120A (en) * | 2019-07-03 | 2019-11-15 | 二工防爆科技股份有限公司 | A kind of positive-pressure explosion-proof control cabinet |
| CN211126584U (en) * | 2020-02-20 | 2020-07-28 | 山东圣文环保科技有限公司 | Explosion-proof distribution instrument cabinet |
| CN111706491A (en) * | 2020-06-30 | 2020-09-25 | 许凤 | High-efficient pump |
-
2021
- 2021-01-19 CN CN202110067781.6A patent/CN112864847B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973799A (en) * | 2017-06-04 | 2018-12-11 | 李洪东 | A kind of adjustable seat that tractor uses |
| CN207677286U (en) * | 2018-01-18 | 2018-07-31 | 合隆防爆电气有限公司 | Positive pressure type explosion-proof power distribution cabinet spark arrester and positive pressure type explosion-proof power distribution cabinet |
| CN208424413U (en) * | 2018-05-25 | 2019-01-22 | 王林甲 | A kind of commercial street smart home router |
| CN110461120A (en) * | 2019-07-03 | 2019-11-15 | 二工防爆科技股份有限公司 | A kind of positive-pressure explosion-proof control cabinet |
| CN211126584U (en) * | 2020-02-20 | 2020-07-28 | 山东圣文环保科技有限公司 | Explosion-proof distribution instrument cabinet |
| CN111706491A (en) * | 2020-06-30 | 2020-09-25 | 许凤 | High-efficient pump |
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| Publication number | Publication date |
|---|---|
| CN112864847A (en) | 2021-05-28 |
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