CN115162524A - Portable dustproof shed - Google Patents

Portable dustproof shed Download PDF

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Publication number
CN115162524A
CN115162524A CN202210704893.2A CN202210704893A CN115162524A CN 115162524 A CN115162524 A CN 115162524A CN 202210704893 A CN202210704893 A CN 202210704893A CN 115162524 A CN115162524 A CN 115162524A
Authority
CN
China
Prior art keywords
dustproof
sleeve
square
rectangular frame
positioning
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.)
Pending
Application number
CN202210704893.2A
Other languages
Chinese (zh)
Inventor
高大鹏
于晓斌
吕士良
谭琳琳
谭业政
段云龙
原正
陈书江
史册
朱振龙
闫秀明
袁绍鹏
邹丰阳
林子杰
牟春晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Super High Voltage Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Original Assignee
Super High Voltage Co Of State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Super High Voltage Co Of State Grid Shandong Electric Power Co, State Grid Corp of China SGCC filed Critical Super High Voltage Co Of State Grid Shandong Electric Power Co
Priority to CN202210704893.2A priority Critical patent/CN115162524A/en
Publication of CN115162524A publication Critical patent/CN115162524A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34305Structures characterised by movable, separable, or collapsible parts, e.g. for transport telescopic
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34384Assembling details for foldable, separable, collapsible or retractable structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
    • E04H1/1205Small buildings erected in the open air
    • E04H1/1238Shelters for engines, e.g. electrical meter housings
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40Roller blinds
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40Roller blinds
    • E06B9/42Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34305Structures characterised by movable, separable, or collapsible parts, e.g. for transport telescopic
    • E04B1/34312Vertical telescopic structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Tents Or Canopies (AREA)

Abstract

The portable dustproof shed comprises a rectangular frame, and telescopic supporting rod mechanisms are arranged at the bottoms of four corners of the rectangular frame. The invention has the positive effects that: the integral height of the dustproof shed can be adjusted according to the requirements of site construction, the dustproof cover mechanisms are arranged on the outer sides and the top of the four sides of the rectangular frame, dustproof cloth in the dustproof cover mechanisms is pulled down and can be fixedly connected with the supporting rod mechanisms through the first flexible magnetic strip, effective dustproof effect on the internal mechanisms is achieved, meanwhile, H-shaped openings capable of being opened and closed are formed in the dustproof cloth, equipment for hoisting the outer portion of the dustproof shed can smoothly enter the H-shaped openings to be installed, necessary dustproof effect can be achieved, normal operation of replacement is guaranteed, potential safety hazards in the operation process are avoided, meanwhile, the whole dustproof shed is convenient to build and dismantle, integral movement is more labor-saving, and the labor intensity of operators can be reduced to a certain extent.

Description

Portable dustproof shed
Technical Field
The invention relates to the technical field of dustproof devices, in particular to a portable dustproof shed.
Background
The dustproof measures adopted during maintenance and installation of the existing GIS switchgear are a dust-free workshop which is temporarily built in a large construction site or a transformer substation new building process, can basically meet the dust-free requirement of the operation site on the whole switch assembling process, but the building process is time-consuming and labor-consuming, and the other method is to use a large dustproof shed.
For example, when a GIS breaker is replaced, new equipment needs to be placed in place before installation, and is waited for hoisting and installation, a dustproof workshop occupies a large space, the building process is complex, the GIS breaker is not suitable for a built transformer substation, and certain safety risks also exist when the GIS breaker is transported in a running transformer substation. To large-scale dustproof canopy, though can build at the maintenance scene, but also only be limited to wherein handle the less spare part of volume, can't hold whole platform or even many switches, and this kind of dustproof canopy generally adopts panel to build and forms, and it is inconvenient to remove, is not convenient for demolish after the top is fixed, and the space is limited in addition, so also can influence the work progress in the hoist and mount in later stage, still has the potential safety hazard.
Disclosure of Invention
The invention aims to provide a portable dustproof shed, the height position of the portable dustproof shed can be adjusted as required, the portable dustproof shed has larger space and can accommodate a plurality of switches, stretchable dustproof cloth is arranged on the periphery of the dustproof shed, and an H-shaped opening for equipment to enter and exit is formed in the dustproof cloth, so that the portable dustproof shed is convenient to realize hoisting and installation, and the problems in the prior art are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention discloses a portable dustproof shed which comprises a rectangular frame, wherein telescopic supporting rod mechanisms are arranged at the bottoms of four corners of the rectangular frame respectively, each supporting rod mechanism comprises a square column, a first square sleeve and a second square sleeve which are sleeved with each other, telescopic positioning devices are arranged between the square column and the first square sleeve and between the first square sleeve and the second square sleeve respectively, an inserting block is arranged at the top of the second square sleeve, a first inserting hole matched with the inserting block is formed in the bottom of the rectangular frame, dustproof cover mechanisms are arranged on the outer sides of four sides of the rectangular frame and the upper side of the rectangular frame respectively, each dustproof cover mechanism comprises a horizontally arranged sleeve, a rotating shaft which is coaxially arranged is arranged in the sleeve, an avoiding groove is formed in the bottom of the sleeve, dustproof cloth is sleeved on the rotating shaft, a handle is arranged at one end, extending out of the sleeve, the handle is rotated to enable the dustproof cloth to extend out of the sleeve through the avoiding groove, first flexible magnetic strips are arranged on two sides of the dustproof cloth, the first flexible magnetic strips can be adsorbed on the supporting rod mechanisms on two sides, an H-shaped opening which can be opened and closed is formed in the dustproof cloth, the H-shaped opening comprises two ends, two ends of the second flexible magnetic strips are adhered to the second flexible magnetic strips, and two ends of the zipper zippers are arranged on the second flexible magnetic strips. The telescopic positioning device comprises an elastic positioning ball mechanism arranged at the upper end of a square column and a first square sleeve, wherein a first positioning hole and a second positioning hole matched with the elastic positioning ball mechanism are formed in the inner sides of the first square sleeve and a second square sleeve, the first positioning hole is higher than the second positioning hole, the elastic positioning ball mechanism comprises a positioning sleeve horizontally arranged, a locking ball is arranged in the positioning sleeve, a spring is arranged between the positioning sleeve and the locking ball, and the spring always has the tendency of pushing the locking ball to enter the positioning hole. And a counterweight angle block is installed at the bottom of the supporting rod mechanism, and a second jack matched with the square column is formed in the counterweight angle block. The dustproof cloth is transparent, a weight rod is installed at the bottom of the dustproof cloth extending out of the sleeve, and the diameter of the weight rod is larger than the width of the avoiding groove. The handle is provided with a locking bolt capable of rotating and moving, a plurality of locking holes circumferentially distributed are formed in the end face of the sleeve close to one side of the handle, and the locking bolt can extend into the locking holes to position the handle on the sleeve.
The invention has the positive effects that: the invention relates to a portable dustproof shed which comprises a rectangular frame and a supporting rod mechanism with telescopic bottoms at four corners, the overall height of the dustproof shed can be adjusted according to the field construction requirement, dust cover mechanisms are respectively arranged at the outer sides and the top of four sides of the rectangular frame, dustproof cloth in the dust cover mechanisms can be pulled down and can be connected and fixed with the supporting rod mechanisms through a first flexible magnetic stripe, the effective dustproof effect on an internal mechanism is achieved, meanwhile, H-shaped openings capable of being opened and closed are formed in the dustproof cloth, equipment for hoisting the outer portion of the dustproof shed can smoothly enter the inner portion to be installed through the H-shaped openings, the necessary dustproof effect can be achieved, the normal operation of the replacement work is guaranteed, the potential safety hazard in the operation process is avoided, meanwhile, the whole dustproof shed is convenient to build and remove, the overall movement is more labor-saving, and the labor intensity of operators can be reduced to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged partial view of I of FIG. 2;
FIG. 4 is an enlarged view of the cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a schematic view of a set of strut mechanisms in an extended state;
FIG. 6 is an enlarged partial view of II of FIG. 5;
FIG. 7 is an enlarged partial view of III of FIG. 2;
FIG. 8 is an enlarged view of the cross-sectional view taken along line B-B in FIG. 7;
fig. 9 is a schematic view showing a state where the H-shaped opening of the dust cover mechanism is opened.
Detailed Description
The portable dustproof shed comprises a rectangular frame 1, wherein telescopic supporting rod mechanisms are arranged at the bottoms of four corners of the rectangular frame 1, and the height of each supporting rod mechanism can be adjusted correspondingly according to the height and the size of a replacing device, so that the normal operation of the whole replacing work can be ensured.
As shown in fig. 5, each strut mechanism comprises a square column 2, a first square sleeve 3 and a second square sleeve 4 which are mutually sleeved, wherein the square column 2, the first square sleeve 3 and the second square sleeve 4 can be telescopically adjusted to adjust the height of the whole dustproof shed, telescopic positioning devices are respectively arranged between the square column 2 and the first square sleeve 3 and between the first square sleeve 3 and the second square sleeve 4, and are vertically locked after being adjusted to a proper position, so that the phenomenon that the strut mechanism moves down under the action of self weight is avoided.
In order to facilitate quick installation between the rectangular frame 1 at each supporting rod mechanism and the top, the insertion block 5 is installed at the top of the second square sleeve 4, as shown in fig. 3, a first insertion hole 6 matched with the insertion block 5 is formed in the bottom of the rectangular frame 1, and the supporting rod mechanisms and the rectangular frame 1 can be conveniently disassembled and assembled through the insertion matching of the insertion block 5 and the first insertion hole 6, so that the supporting rod mechanisms and the rectangular frame 1 can be more conveniently and conveniently constructed.
In order to play an effective dustproof role, the dust cover mechanisms are arranged on the outer sides of four sides of the rectangular frame 1 and the upper side of the rectangular frame 1, and can cover the rectangular frame 1 and the support rod mechanism which are used as a dustproof shed framework in a full coverage mode and are respectively located on the periphery and the top of the dustproof shed, so that the dustproof effect is effectively achieved.
The dust cover mechanism is including the sleeve 7 that the level set up, as shown in fig. 4, installs the pivot 8 with the axle center setting in the sleeve 7, and the groove 9 of dodging has been seted up to the bottom of sleeve 7, and the cover is equipped with dustproof cloth 10 on the pivot 8, and the handle 11 is installed to the one end that the sleeve 7 was stretched out to pivot 8, rotates handle 11 and can let dustproof cloth 10 stretch out sleeve 7 through dodging groove 9 to the realization is dustproof to the shutoff between the branch mechanism of both sides.
For realizing being connected fixedly between dustproof cloth 10 and the branch mechanism, first flexible magnetic stripe 12 is all installed to the both sides of dustproof cloth 10, and branch mechanism can adopt ferromagnetic material to make, and first flexible magnetic stripe 12 can adsorb on the branch mechanism of both sides to form the shutoff and shelter from, play necessary dustproof effect. The first flexible magnetic strip 12 can be wound in the sleeve 7 along with the dustproof cloth 10, and the normal winding and unwinding of the dustproof cloth 10 cannot be influenced.
In order to when changing different types of equipment, can let the device of hoisting in advance enter into dustproof canopy inside via dustproof cloth to furthest reduces in the dust enters into the equipment that overhauls in the canopy, still sets up the H type opening that can open and close on dustproof cloth 10, H type opening is including setting up two flexible magnetic stripes of second 13 that can adhere on dustproof cloth 10, and first zip fastener 14 is all installed to the upside at flexible magnetic stripe of second 13 both ends, and second zip fastener 15 is all installed to the downside at flexible magnetic stripe of second 13 both ends. After two bonded second flexible magnetic stripes 13 are separated, the first zipper 14 or the second zipper 15 is pulled, so that the dustproof cloth 10 can be opened, as shown in fig. 9, the device to be replaced enters the dustproof shed, meanwhile, irregular GIS switch equipment can also extend out of the dustproof shed, the dustproof cloth 10 at the opening is tightly attached to the periphery of the extending position of the equipment through the first zipper 14 or the second zipper 15, and therefore the dustproof effect is effectively achieved for replacement operation in the shed. Wherein the second zipper 15 can be pulled to the bottommost position of the dust cloth 10.
Further, in order to realize the relative locking function of the strut mechanism during the telescopic movement, as shown in fig. 6, the telescopic positioning device includes an elastic positioning ball mechanism installed at the upper ends of the square column 2 and the first square sleeve 3, a first positioning hole 16 and a second positioning hole 17 matched with the elastic positioning ball mechanism are formed on the inner sides of the first square sleeve 3 and the second square sleeve 4, and the first positioning hole 16 is higher than the second positioning hole 17. The elastic positioning ball mechanism comprises a positioning sleeve 18 which is horizontally arranged, a locking ball 19 is arranged in the positioning sleeve 18, a spring 20 is arranged between the positioning sleeve 18 and the locking ball 19, and the spring 20 always tends to push the locking ball 19 to enter the positioning hole.
When the locking ball 19 is located in the first positioning hole 16, the strut mechanism is in a contracted state, the height of the whole dustproof shed is low, when the locking ball 19 is located in the second positioning hole 17, the strut mechanism is in an extended state, the height of the whole dustproof shed is high, when the height of the strut mechanism needs to be adjusted, namely when the locking ball 19 is switched between the first positioning hole 16 and the second positioning hole 17, one section of the strut mechanism needs to be pulled manually, the locking ball 19 is separated from the positioning hole by overcoming the elasticity of the spring 20, when the locking ball 19 moves to the positioning hole again, the locking ball can enter the positioning hole under the elasticity of the spring 20, and the relative positioning among the square column 2, the first square sleeve 3 and the second square sleeve 4 is realized.
Further, in order to guarantee the stability of whole dustproof shed, avoid taking place to topple etc. under the influence of the circumstances such as wind-force and be detracted from the circumstances that equipment change work, counter weight hornblock 21 is installed to the bottom of branch mechanism, has seted up on the counter weight hornblock 21 with square column 2 matched with second jack 22, wherein the setting of counter weight hornblock 21 has increased the stability of whole dustproof shed to a certain extent, through square column 2 and the second jack 22 complex mode of pegging graft simultaneously, more is favorable to carrying on instant dismouting, the removal of the whole dustproof shed of also being convenient for etc..
Further, for the convenience of operating personnel observes the equipment replacement progress in the dustproof canopy in real time, dustproof cloth 10 transparent setting, in order when setting up dustproof canopy, can let dustproof cloth 10 sag under the dead weight, avoid operating personnel to rotate handle 11 repeatedly, reduce operating personnel's intensity of labour to a certain extent, stretch out the bottom of sleeve 7 at dustproof cloth 10 and install counterweight 23, wherein counterweight 23's diameter is greater than the width of dodging groove 9, can be when accomodating dustproof cloth 10 in the rolling, avoid it to enter into sleeve 7 completely, conveniently carry out the use of setting up when changing equipment next time.
Further, in order to rotate the handle 11 to wind and store the dustproof cloth 10, and then rotate the handle 11 to a specific position, the handle 11 can be relatively locked to prevent the dustproof cloth 10 from falling out of the sleeve 7 due to rotation in the storage or transportation process, as shown in fig. 7 and 8, a locking bolt 24 capable of rotating and moving is installed on the handle 11, a plurality of locking holes 25 circumferentially arranged are formed in the end surface of the sleeve 7 near one side of the handle 11, when the handle 11 is rotated until the dustproof cloth 10 enters the sleeve 7 and a set margin is left outside the sleeve 7, the locking bolt 24 can be rotated to extend into the locking holes 25, so that the handle 11 is positioned on the sleeve 7, and the dustproof cloth 10 can be effectively prevented from falling out of the sleeve 7 and being damaged in the subsequent dismounting storage or transferring process.
The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.

Claims (5)

1. The utility model provides a portable dustproof canopy which characterized in that: comprises a rectangular frame (1), the bottoms of the four corners of the rectangular frame (1) are respectively provided with a telescopic strut mechanism, each strut mechanism comprises a square column (2) which is mutually sleeved, a first square sleeve (3) and a second square sleeve (4), wherein the square column (2) and the first square sleeve (3) are respectively provided with a telescopic positioning device, an inserting block (5) is arranged at the top of the second square sleeve (4), the bottom of the rectangular frame (1) is provided with a first inserting hole (6) which is matched with the inserting block (5), the outer sides of the four sides of the rectangular frame (1) and the upper side of the rectangular frame (1) are respectively provided with a dustproof cover mechanism, the dustproof cover mechanism comprises a horizontally arranged sleeve (7), a rotating shaft (8) which is coaxially arranged is arranged in the sleeve (7), the bottom of the sleeve (7) is provided with a avoiding groove (9), dustproof cloth (10) is sleeved on the rotating shaft (8), one end of the rotating shaft (8) which extends out of the sleeve (7) is provided with a handle (11), the handle (11) is provided with a dustproof cloth (11), the two sides of the dustproof cloth (10) which can extend out of the first square sleeve (7) through a flexible opening and the dustproof cloth (12), the dustproof cloth (10) are respectively arranged on the two sides of the flexible strut mechanism, the dustproof cloth (10), h type opening is including setting up two flexible magnetic stripe (13) of second that can bond on dustproof cloth (10), and first zip fastener (14) are all installed to the upside at flexible magnetic stripe (13) both ends of second, and second zip fastener (15) are all installed to the downside at flexible magnetic stripe (13) both ends of second.
2. The portable dustproof shed according to claim 1, characterized in that: the telescopic positioning device comprises an elastic positioning ball mechanism arranged at the upper end of a square column (2) and a first square sleeve (3), wherein a first positioning hole (16) and a second positioning hole (17) which are matched with the elastic positioning ball mechanism are formed in the inner sides of the first square sleeve (3) and a second square sleeve (4), the first positioning hole (16) is higher than the second positioning hole (17), the elastic positioning ball mechanism comprises a positioning sleeve (18) which is horizontally arranged, a locking ball (19) is arranged in the positioning sleeve (18), a spring (20) is arranged between the positioning sleeve (18) and the locking ball (19), and the spring (20) always has the tendency of pushing the locking ball (19) to enter the positioning hole.
3. A portable dust shelter as defined in claim 1 in which: and a counterweight angle block (21) is installed at the bottom of the supporting rod mechanism, and a second insertion hole (22) matched with the square column (2) is formed in the counterweight angle block (21).
4. The portable dustproof shed according to claim 1, characterized in that: dustproof cloth (10) transparent setting is stretched out bottom of sleeve (7) at dustproof cloth (10) and is installed counterweight rod (23), and the diameter of counterweight rod (23) is greater than the width of dodging groove (9).
5. A portable dust shelter as defined in claim 1 in which: the handle (11) is provided with a locking bolt (24) capable of rotating and moving, the end face of the sleeve (7) close to one side of the handle (11) is provided with a plurality of locking holes (25) which are circumferentially arranged, and the locking bolt (24) can extend into the locking holes (25) to position the handle (11) on the sleeve (7).
CN202210704893.2A 2022-06-21 2022-06-21 Portable dustproof shed Pending CN115162524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210704893.2A CN115162524A (en) 2022-06-21 2022-06-21 Portable dustproof shed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210704893.2A CN115162524A (en) 2022-06-21 2022-06-21 Portable dustproof shed

Publications (1)

Publication Number Publication Date
CN115162524A true CN115162524A (en) 2022-10-11

Family

ID=83487195

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Application Number Title Priority Date Filing Date
CN202210704893.2A Pending CN115162524A (en) 2022-06-21 2022-06-21 Portable dustproof shed

Country Status (1)

Country Link
CN (1) CN115162524A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050240951A1 (en) * 2004-04-22 2005-10-27 Hon Hai Precision Industry Co., Ltd. Dustcover device for data storage devices
CN205253706U (en) * 2015-12-22 2016-05-25 德宏电子(苏州)有限公司 From contractile phenotype dust cover
CN207526169U (en) * 2017-09-27 2018-06-22 海南椰岛酒业发展有限公司 A kind of wine brewing protection canopy being easily installed of making wine
CN110014327A (en) * 2018-01-08 2019-07-16 天津永创通达机电科技有限公司 It is a kind of to determine diplodocus gate-type CNC milling machine guide rail protection cover
CN209552740U (en) * 2018-12-10 2019-10-29 西安华新彩印有限责任公司 A kind of dust guard of book sewing machine
CN112240106A (en) * 2019-07-16 2021-01-19 中核检修有限公司 Operation shed for nuclear power equipment maintenance
CN213626858U (en) * 2020-10-19 2021-07-06 青海送变电工程有限公司 Double-layer dustproof shed for GIS equipment installation
CN215252388U (en) * 2021-07-09 2021-12-21 万力瑞 High-altitude falling object protection device for road and bridge engineering
CN215537668U (en) * 2021-08-31 2022-01-18 李玫 Fixing device for preventing drainage tube from bending

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050240951A1 (en) * 2004-04-22 2005-10-27 Hon Hai Precision Industry Co., Ltd. Dustcover device for data storage devices
CN205253706U (en) * 2015-12-22 2016-05-25 德宏电子(苏州)有限公司 From contractile phenotype dust cover
CN207526169U (en) * 2017-09-27 2018-06-22 海南椰岛酒业发展有限公司 A kind of wine brewing protection canopy being easily installed of making wine
CN110014327A (en) * 2018-01-08 2019-07-16 天津永创通达机电科技有限公司 It is a kind of to determine diplodocus gate-type CNC milling machine guide rail protection cover
CN209552740U (en) * 2018-12-10 2019-10-29 西安华新彩印有限责任公司 A kind of dust guard of book sewing machine
CN112240106A (en) * 2019-07-16 2021-01-19 中核检修有限公司 Operation shed for nuclear power equipment maintenance
CN213626858U (en) * 2020-10-19 2021-07-06 青海送变电工程有限公司 Double-layer dustproof shed for GIS equipment installation
CN215252388U (en) * 2021-07-09 2021-12-21 万力瑞 High-altitude falling object protection device for road and bridge engineering
CN215537668U (en) * 2021-08-31 2022-01-18 李玫 Fixing device for preventing drainage tube from bending

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