WO2023051212A1 - 一种可移动式正压层流洁净罩 - Google Patents

一种可移动式正压层流洁净罩 Download PDF

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Publication number
WO2023051212A1
WO2023051212A1 PCT/CN2022/117753 CN2022117753W WO2023051212A1 WO 2023051212 A1 WO2023051212 A1 WO 2023051212A1 CN 2022117753 W CN2022117753 W CN 2022117753W WO 2023051212 A1 WO2023051212 A1 WO 2023051212A1
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WO
WIPO (PCT)
Prior art keywords
rod
air chamber
slideway
laminar flow
frame
Prior art date
Application number
PCT/CN2022/117753
Other languages
English (en)
French (fr)
Inventor
何伟
胡晓晴
Original Assignee
胡晓晴
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Filing date
Publication date
Application filed by 胡晓晴 filed Critical 胡晓晴
Publication of WO2023051212A1 publication Critical patent/WO2023051212A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34336—Structures movable as a whole, e.g. mobile home structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • E04H1/12—Small 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
    • E04H1/125—Small buildings, arranged in other buildings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/32—Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds
    • E04H15/34—Supporting means, e.g. frames
    • E04H15/44—Supporting means, e.g. frames collapsible, e.g. breakdown type
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/08—Hospitals, infirmaries, or the like; Schools; Prisons

Definitions

  • the present application relates to the technical field of laminar flow clean hood, in particular to a movable positive pressure laminar flow clean hood.
  • the embodiment of the present application provides a movable positive pressure laminar flow clean hood, which occupies a small space, is convenient to move and build, has high portability and mobility, can meet the switching between different application scenarios, and has better adaptability. powerful.
  • a movable positive pressure laminar flow clean hood including: a frame, a curtain, and an air chamber structure and a flow equalizing gauze arranged on the top of the frame;
  • the curtain is detachably installed around the frame
  • the air chamber structure and the flow-evening gauze are respectively detachably connected to the frame;
  • a purification module for filtering the passing airflow is arranged in the wind chamber structure
  • a first air outlet is opened at the bottom of the air chamber structure
  • the flow equalizing gauze is arranged at the first air outlet, and is used to form a uniform vertical laminar flow in the airflow purified by the purification module;
  • the frame includes a top frame and a liftable column arranged at the bottom of the top frame;
  • the top frame includes a first beam, a second beam, a third beam and a fourth beam;
  • Both the first beam and the second beam are foldable structures
  • Both the third crossbeam and the fourth crossbeam are retractable structures
  • One end of the first beam is connected to one end of the second beam through the third beam, and the other end of the first beam is connected to the other end of the second beam through the fourth beam;
  • the bottom of the liftable column is provided with moving wheels.
  • both the first beam and the second beam include a first fixing rod, a first folding rod, a second folding rod and a second fixing rod connected in sequence;
  • a ratchet and pawl mechanism for preventing reverse rotation is provided on the rotating pair.
  • the rotary pair includes a first connecting piece and a second connecting piece, and the first connecting piece is rotatably connected to the second connecting piece through a rotating shaft;
  • the ratchet and pawl mechanism includes a ratchet, a connecting rod, a direction adjustment block and a pawl for engaging with the ratchet;
  • the ratchet is fixed on the shaft
  • the bottom of the second connecting piece is provided with a first slideway, and the first slideway is located directly above the ratchet gear teeth;
  • the pawl is located in the first slideway and is movably connected with the first slideway;
  • One end of the connecting rod is fixedly connected with the direction adjustment block, and the other end extends into the first slideway and is fixedly connected with the pawl;
  • a return spring is sheathed on the connecting rod, and the return spring is located in the first slideway;
  • One end of the direction adjustment block close to the second connecting piece is provided with a block for engaging or separating the pawl from the ratchet through direction adjustment, and the second connecting piece is correspondingly provided with a block for engaging with the ratchet.
  • the card slot matched with the above card block.
  • both the third beam and the fourth beam include fixed profiles and telescopic guide profiles located at both ends of the fixed profiles;
  • the fixed profile is provided with a second slideway that can accommodate the telescopic guide profile
  • the telescopic guide profile is slidingly connected with the fixed profile through the second slideway.
  • a synchronous gear is provided at the middle position of the second slideway
  • the two sides of the synchronous gear are respectively fixedly connected to the telescopic guide profiles located at both ends of the fixed profile through the synchronous guide racks;
  • the synchronous gear is in transmission connection with the synchronous guide rack
  • a set of rollers for guiding is arranged in the second slideway
  • the telescopic guide profile is slidably connected to the second slideway through the roller set;
  • a guide limiter is arranged in the second slideway
  • the outer side of the telescopic guide profile is correspondingly provided with a guide groove matching the shape of the guide limiter;
  • Plastic stoppers for preventing metal-to-metal friction are provided on the outside of the telescopic guide profile.
  • the air chamber structure includes a first air chamber arranged on the top of the fixed section bar and a second air chamber arranged on the top of the telescopic guide section bar;
  • the second air chamber is located on both sides of the first air chamber, and the second air chamber is slidably connected with the first air chamber for cooperating with the expansion and contraction of the third beam and the fourth beam adjusting the size of the air cavity structure;
  • Both sides of the first air chamber are provided with vents for communicating with the second air chamber.
  • the purification module includes a first purification module disposed at the bottom of the first wind chamber and a second purification module disposed at the vent;
  • the flow equalizing gauze is a width-adjustable structure.
  • the liftable column includes a third fixed rod, a telescopic rod located in the third fixed rod and slidably connected with the third fixed rod, and used for driving the telescopic rod along the Three fixed rod telescopic drive assembly.
  • it also includes: a synchronizer for controlling the synchronous lifting of the liftable column;
  • the synchronizer is electrically connected with the drive assembly.
  • a first air inlet is opened on the top or the side wall of the air chamber structure.
  • the embodiment of the present application has the following advantages: the movable positive pressure laminar flow clean hood can pass the The first beam and the second beam are folded in the length direction, the third beam and the fourth beam are used for expansion and contraction in the width direction, and the liftable column is used for lifting in the height direction, realizing the adjustable internal volume of the laminar flow ward, which can meet different needs. Space requirements, stronger adaptability, and at the same time, telescopic folding is easy to store. After the overall storage, the size can enter all specifications of elevators, and there are moving wheels at the bottom of the liftable column, which is more convenient to move, more flexible and portable.
  • Fig. 1 is a schematic structural diagram of a movable positive pressure laminar flow clean hood in an embodiment of the present application
  • Fig. 2 is the structural representation of framework in the embodiment of the present application.
  • Fig. 3 is a schematic structural view of the first beam in the embodiment of the present application.
  • Fig. 4 is the front view of the first beam in the embodiment of the present application.
  • Fig. 5 is the detailed enlarged view of part I in Fig. 4;
  • FIG. 6 is a schematic structural view of a third crossbeam in an embodiment of the present application.
  • Fig. 7 is the front view of the third beam in the embodiment of the present application.
  • Fig. 8 is a sectional view of A-A direction in Fig. 7;
  • Fig. 9 is a sectional view of B-B direction in Fig. 7;
  • Fig. 10 is a sectional view of C-C direction in Fig. 7;
  • Figure 11 is a schematic structural view of the movable positive pressure laminar flow clean hood in the embodiment of the present application after removing the curtain;
  • Fig. 12 is a schematic diagram of the internal structure of the wind cavity structure in the embodiment of the present application.
  • connection should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components.
  • connection should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components.
  • the present application provides an embodiment of a movable positive pressure laminar flow clean hood, please refer to FIG. 1 , FIG. 2 and FIG. 12 for details.
  • the movable positive pressure laminar flow clean hood in this embodiment includes: a frame 2, a curtain 1, an air chamber structure 3 and an equalizing gauze 6 arranged on the top of the frame 2, and the curtain 1 is detachably installed around the frame 2 , the air chamber structure 3 and the flow equalizing gauze 6 are respectively detachably connected with the frame 2, the air chamber structure 3 is provided with a purification module for filtering the passing air flow, and the bottom of the air chamber structure 3 is provided with a first air outlet, both The flow gauze 6 is arranged at the first air outlet, and is used to make the airflow after the purification module is purified to form a uniform vertical laminar flow; the frame 2 includes a top frame and a liftable column 26 arranged at the bottom of the top frame, and the top frame includes a first beam 21.
  • the second crossbeam 22, the third crossbeam 23 and the fourth crossbeam 24, the first crossbeam 21 and the second crossbeam 22 are foldable structures, the third crossbeam 23 and the fourth crossbeam 24 are all telescopic structures, the first crossbeam One end of 21 is connected with one end of the second crossbeam 22 by the third crossbeam 23, and the other end of the first crossbeam 21 is connected with the other end of the second crossbeam 22 by the fourth crossbeam 24;
  • this movable positive pressure laminar flow clean hood can pass through the first beam 21 and the The second beam 22 is folded in the length direction, the third beam 23 and the fourth beam 24 are used for expansion and contraction in the width direction, and the liftable column 26 is used for lifting in the height direction, so that the internal volume of the laminar flow ward can be adjusted to meet different spaces. Needs, stronger adaptability, and easy storage by telescopic folding. After the overall storage, the size can enter all specifications of elevators, and a moving wheel 27 is set at the bottom of the liftable column 26, which is more convenient to move, more flexible and portable.
  • the movable positive pressure laminar flow clean hood in this embodiment includes: a frame 2, a curtain 1, an air chamber structure 3 and an equalizing gauze 6 arranged on the top of the frame 2, and the curtain 1 is detachably installed around the frame 2 , the air cavity structure 3 and the flow equalizing gauze 6 are respectively detachably connected to the frame 2, and the air cavity structure 3 is provided with a deflector for uniformly covering the entire air cavity structure 3 with the incoming air flow, and the air cavity structure 3 is provided with There is a purification module for filtering the passing airflow.
  • the bottom of the air cavity structure 3 is provided with a first air outlet, and the flow-evening gauze 6 is arranged at the first air outlet to make the airflow purified by the purification module form a uniform vertical layer.
  • frame 2 comprises top frame and is arranged on the liftable column 26 of top frame bottom, and top frame comprises first crossbeam 21, second crossbeam 22, third crossbeam 23 and fourth crossbeam 24, first crossbeam 21 and second crossbeam 22 are collapsible structures, the third crossbeam 23 and the fourth crossbeam 24 are stretchable structures, one end of the first crossbeam 21 is connected with one end of the second crossbeam 22 through the third crossbeam 23, and the other end of the first crossbeam 21 is passed through The fourth crossbeam 24 is connected with the other end of the second crossbeam 22; the bottom of the liftable column 26 is provided with an anti-fall support, and the bottom of the anti-fall support is provided with a moving wheel 27.
  • the moving wheel 27 can be connected with the anti-falling bracket in rotation, and then realize the folding storage and unfolding of the moving wheel 27.
  • the moving wheel 27 can be provided with a wheel lock device for locking the moving wheel 27, which is convenient for fixing the laminar flow clean cover after moving.
  • a fifth crossbeam 25 can also be arranged between the first crossbeam 21 and the second crossbeam 22, wherein the structure of the fifth crossbeam 25 can be the same as that of the third crossbeam 23 have the same structure.
  • the number of fifth beams 25 can be two or more, so that the overall structure of the frame 2 is more stable.
  • the first crossbeam 21 and the second crossbeam 22 all comprise the first fixed rod 211, the first folded rod 213, the second folded rod 214 and the second fixed rod 212 connected in sequence; Between the rod 211 and the first folding rod 213, between the first folding rod 213 and the second folding rod 214, and between the second folding rod 214 and the second fixed rod 212 are all rotatably connected by the rotating pair 5; A ratchet and pawl mechanism is provided to prevent reverse rotation, which can improve the convenience of unfolding and storage, and at the same time improve the safety.
  • the length of the first fixing rod 211 is the same as the length of the second fixing rod 212, and the length of the first folding rod 213 is the same as that of the second folding rod 214, which is convenient for folding, and the space of the frame 2 can be accommodated to the minimum, and the folding direction is folded
  • the final size fully meets the requirements for transportation and storage.
  • the rotating pair 5 includes a first connecting piece 51 and a second connecting piece 52, the first connecting piece 51 and the second connecting piece 52 are rotationally connected by a rotating shaft 53;
  • the ratchet and pawl mechanism includes a ratchet 54, a connecting rod 56 , the direction adjusting block 57 and the ratchet 55 for clamping with the ratchet 54;
  • the ratchet 54 is fixed on the rotating shaft 53;
  • the bottom of the second connecting piece 52 is provided with a first slideway, and the first slideway is located at the front of the ratchet 54 teeth
  • the pawl 55 is located in the first slideway and is movably connected with the first slideway;
  • one end of the connecting rod 56 is fixedly connected with the direction adjustment block 57, and the other end extends into the first slideway and is fixedly connected with the pawl 55
  • the connecting rod 56 is sleeved with a return spring, and the return spring is located in the first slideway; the end of the direction adjustment block
  • the direction of the six pawls 55 on the first crossbeam 21 and the second crossbeam 22 can be adjusted through the direction adjustment block 57, so that the pawls 55 and The ratchet 54 releases the clamping state, and then realizes the unfolding of the frame 2.
  • the frame 2 can only have one outward movement direction during the unfolding process, so as to prevent tilting and collapsing;
  • the directions of the six ratchets 55 on the first crossbeam 21 and the second crossbeam 22 can be adjusted again, so that the ratchets 55 and the ratchet 54 are clamped and fixed, and under the action of the ratchet 54 and the ratchet 55 Make the rotating shaft 53 not reverse rotation, guarantee the safety of use.
  • the direction of the six ratchets 55 on the first crossbeam 21 and the second crossbeam 22 can be adjusted through the direction adjustment block 57, so that the frame 2 can be folded, and the ratchet
  • the unidirectional rotation of 54 and ratchet 55 can ensure that the frame 2 can only have one inward movement direction during the folding process, so as to prevent tilting and collapsing.
  • the air chamber structure 3 can be integrally connected and folded with the frame 2, that is, a rotating shaft is arranged between the first crossbeam 21 and the second crossbeam 22; the air chamber structure 3 can be rotationally connected with the top frame through the rotating shaft, and It can be folded and stored with the top frame.
  • the third crossbeam 23 and the fourth crossbeam 24 all comprise fixed profile 231 and the telescopic guide profile 232 that is positioned at the two ends of fixed profile 231;
  • the middle position of the second slideway can be provided with a synchronous gear 233, and the two sides of the synchronous gear 233 are respectively fixedly connected with the telescopic guide profile 232 positioned at the two ends of the fixed profile 231 through the synchronous guide rack 234, and the synchronous gear 233 It is in drive connection with the synchronous guide rack 234.
  • the telescopic guide profiles 232 located at both ends of the fixed profile 231 can move synchronously, which can ensure that the adjustment dimensions of the left and right sides of the frame 2 are the same, so that the airflow of the laminar flow clean hood Fix the part in the middle to improve the cleaning effect.
  • a roller set 235 for guiding can be arranged in the second slideway, and the telescopic guide profile 232 is slidably connected with the second slideway through the roller set 235 .
  • the roller set 235 can be arranged at the entrance of the second slideway.
  • a guide limiter 236 can also be provided in the second slideway, and a guide groove matching the shape of the guide limiter 236 is provided on the outside of the telescopic guide profile 232.
  • the quantity of guide limiter 236 can be two or more, the quantity of guide groove and guide limiter 236 The numbers are equal and correspond one-to-one.
  • a plastic stopper 237 for preventing metal-to-metal friction can be provided on the outside of the telescopic guide profile 232 .
  • What is shown in the figure is a full circle, and the number of plastic stoppers 237 is four, two of which are fixed on both ends of the fixed profile 231, and the other two are respectively fixed on two telescopic guide profiles 232 near the end of the fixed profile 231 .
  • the air chamber structure 3 includes a first air chamber 31 arranged on the top of the fixed section bar 231 and a second air chamber 32 arranged on the top of the telescopic guide section bar 232, and the second air chamber 32 is located at the top of the first wind chamber.
  • the two sides of the chamber 31, and the second air chamber 32 is slidably connected with the first air chamber 31, which is used to adjust the size of the air chamber structure 3 in cooperation with the expansion and contraction of the third beam 23 and the fourth beam 24.
  • Both sides of the first air chamber 31 are provided with vents for communicating with the second air chamber 32 .
  • the air chamber structure 3 on the top can be expanded and contracted synchronously to form the air chamber structure 3 of a new size, which is convenient to use.
  • the purification module includes a first purification module 41 arranged at the bottom of the first wind chamber 31 and a second purification module 42 arranged at the vent.
  • the airflow from the purification module 41 and the second purification module 42 passes through the flow-equalizing gauze 6 to form a uniform vertical laminar flow.
  • the flow-equalizing gauze 6 can be vertically shifted and overlapped by slide rails to achieve adjustable width.
  • the current equalizing gauze 6 can be expanded and contracted synchronously to form a new size of the current equalizing gauze 6 , which is convenient to use.
  • the liftable column 26 includes a third fixed rod 261 , a telescopic rod 262 located in the third fixed rod 261 and slidingly connected with the third fixed rod 261 , and a telescopic rod 262 for driving the telescopic rod 262 along the third fixed rod 261 .
  • the driving assembly 263 is fixedly arranged on the upper end of the third fixed rod 261, and the driving assembly 263 is drivingly connected to the telescopic rod 262, and the driving assembly 263 can be an electric push rod.
  • the telescopic rod 262 can be a multi-section structure, and the number of sections can be set according to the actual situation, which can be two sections, three sections or other numbers, which is not limited here.
  • a synchronizer for controlling the synchronous lifting of the liftable column 26
  • the synchronizer is electrically connected with the drive assembly 263 .
  • a first air inlet is opened on the top or side wall of the air cavity structure 3 .
  • a fan or a sterilizer is connected to the first air inlet to form a vertical laminar flow in the cover, which can be used for the treatment and nursing of patients with low immunity and effectively reduces the infection rate.
  • Interfaces for externally connecting other treatment equipment and devices with call function and alarm function can be set on the curtain 1 .
  • This movable positive pressure laminar flow clean hood can be used as wards, operating rooms, consulting rooms, etc. It is highly mobile and portable, realizing the concept of medical building equipment and improving the emergency level of medical institutions.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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Abstract

一种可移动式正压层流洁净罩，包括：框架（2）、围帘（1）以及设置在框架（2）顶部的风腔结构（3）和均流纱网（6）；风腔结构（3）和均流纱网（6）分别与框架（2）可拆卸连接；风腔结构（3）内设置有净化模块；风腔结构（3）底部开设有第一出风口；均流纱网（6）设置在第一出风口处；框架（2）包括顶框和可升降立柱（26）；顶框包括第一横梁（21）、第二横梁（22）、第三横梁（23）和第四横梁（24）；第一横梁（21）和第二横梁（22）均为可折叠结构；第三横梁（23）和第四横梁（24）均为可伸缩结构；第一横梁（21）的一端通过第三横梁（23）与第二横梁（22）的一端连接，第一横梁（21）的另一端通过第四横梁（24）与第二横梁（22）的另一端连接；可升降立柱（26）底部设置有移动轮（27）。

Description

一种可移动式正压层流洁净罩
相关申请
本申请要求于2021年9月30日申请的、申请号为202111166716.5的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及层流洁净罩技术领域，尤其涉及一种可移动式正压层流洁净罩。
 背景技术
随着现代医疗水平的持续发展，人们对于医疗环境的要求也在不断提高。对于低免疫患者，为了预防感染常常需要用到正压层流洁净罩，但现有的正压层流洁净罩占用空间大，不方便移动和临时搭建，并且尺寸无法调整，进而无法满足各个不同的应用场景间的切换，为此，本申请提出一种可移动式正压层流洁净罩。
 技术问题
本申请实施例提供了一种可移动式正压层流洁净罩，使得占用空间小，方便移动和搭建，具备高便携性和机动性，能够满足各个不同的应用场景间的切换，适应性更强。
 技术解决方案
有鉴于此，本申请提供了一种可移动式正压层流洁净罩，包括：框架、围帘以及设置在所述框架顶部的风腔结构和均流纱网；
所述围帘可拆卸安装于所述框架四周；
所述风腔结构和所述均流纱网分别与所述框架可拆卸连接；
所述风腔结构内设置有用于对经过的气流进行过滤的净化模块；
所述风腔结构底部开设有第一出风口；
所述均流纱网设置在所述第一出风口处，用于使所述净化模块净化后的气流形成均匀垂直层流；
所述框架包括顶框和设置在所述顶框底部的可升降立柱；
所述顶框包括第一横梁、第二横梁、第三横梁和第四横梁；
所述第一横梁和所述第二横梁均为可折叠结构；
所述第三横梁和所述第四横梁均为可伸缩结构；
所述第一横梁的一端通过所述第三横梁与所述第二横梁的一端连接，所述第一横梁的另一端通过所述第四横梁与所述第二横梁的另一端连接；
所述可升降立柱底部设置有移动轮。
在一实施例中，所述第一横梁和所述第二横梁均包括依次连接的第一固定杆、第一折叠杆、第二折叠杆和第二固定杆；
所述第一固定杆与所述第一折叠杆之间、所述第一折叠杆与所述第二折叠杆之间以及所述第二折叠杆与所述第二固定杆之间均通过转动副转动连接；
所述转动副上设置有用于防止反向转动的棘轮棘爪机构。
在一实施例中，所述转动副包括第一连接件和第二连接件，所述第一连接件与所述第二连接件通过转轴转动连接；
所述棘轮棘爪机构包括棘轮、连接杆、方向调整块和用于与所述棘轮卡接的棘爪；
所述棘轮固定在所述转轴上；
所述第二连接件底部开设有第一滑道，所述第一滑道位于所述棘轮轮齿的正上方；
所述棘爪位于所述第一滑道内，并与所述第一滑道活动连接；
所述连接杆的一端与所述方向调整块固定连接，另一端伸入至所述第一滑道内，并与所述棘爪固定连接；
所述连接杆上套设有复位弹簧，所述复位弹簧位于所述第一滑道内；
所述方向调整块靠近所述第二连接件的一端设置有用于通过方向调整使所述棘爪与所述棘轮卡接或分离的卡块，所述第二连接件上对应设置有用于与所述卡块相配合的卡槽。
在一实施例中，所述第三横梁和所述第四横梁均包括固定型材和位于所述固定型材两端的伸缩导向型材；
所述固定型材上开设有可收纳所述伸缩导向型材的第二滑道；
所述伸缩导向型材通过所述第二滑道与所述固定型材滑动连接。
在一实施例中，所述第二滑道的中间位置设置有同步齿轮；
所述同步齿轮的两侧分别通过同步导向齿条与位于所述固定型材两端的伸缩导向型材固定连接；
所述同步齿轮与所述同步导向齿条传动连接；
所述第二滑道内设置有用于起导向作用的滚轮组；
所述伸缩导向型材通过所述滚轮组与所述第二滑道滑动连接；
所述第二滑道内设置有导向限位件；
所述伸缩导向型材外侧对应开设有与所述导向限位件形状相匹配的导向槽；
所述伸缩导向型材外侧设置有用于防止金属间摩擦的塑料限位件。
在一实施例中，所述风腔结构包括设置在所述固定型材顶部的第一风腔和设置在所述伸缩导向型材顶部的第二风腔；
所述第二风腔位于所述第一风腔的两侧，且所述第二风腔与所述第一风腔滑动连接，用于配合所述第三横梁和所述第四横梁的伸缩调节所述风腔结构的尺寸大小；
所述第一风腔两侧均开设有用于与所述第二风腔相连通的通风口。
在一实施例中，所述净化模块包括设置在所述第一风腔底部的第一净化模块和设置在所述通风口处的第二净化模块；
所述均流纱网为宽度可调结构。
在一实施例中，所述可升降立柱包括第三固定杆、位于所述第三固定杆内且与所述第三固定杆滑动连接的伸缩杆以及用于驱动所述伸缩杆沿所述第三固定杆伸缩的驱动总成。
在一实施例中，还包括：用于控制所述可升降立柱同步升降的同步器；
所述同步器与所述驱动总成电连接。
在一实施例中，所述风腔结构的顶部或侧壁上开设有第一进风口。
 有益效果
从以上技术方案可以看出，本申请实施例具有以下优点：本可移动式正压层流洁净罩通过设置第一横梁、第二横梁、第三横梁、第四横梁和可升降立柱，可通过第一横梁和第二横梁进行长度方向的折叠，通过第三横梁和第四横梁进行宽度方向的伸缩，通过可升降立柱进行高度方向的升降，实现了层流病房内部体积可调，能够满足不同空间需求，适应性更强，同时伸缩折叠易收纳，整体收纳后尺寸可进入所有规格电梯，并且在可升降立柱底部设置有移动轮，移动更加方便，更加灵活、便携。
 附图说明
图1为本申请实施例中可移动式正压层流洁净罩的结构示意图；
图2为本申请实施例中框架的结构示意图；
图3为本申请实施例中第一横梁的结构示意图；
图4为本申请实施例中第一横梁的前视图；
图5为图4中I部分的细节放大图；
图6为本申请实施例中第三横梁的结构示意图；
图7为本申请实施例中第三横梁的前视图；
图8为图7中A-A方向的截面图；
图9为图7中B-B方向的截面图；
图10为图7中C-C方向的截面图；
图11为本申请实施例中可移动式正压层流洁净罩去掉围帘后的结构示意图；
图12为本申请实施例中风腔结构的内部结构示意图；
其中，附图标记为：
1-围帘，2-框架，21-第一横梁，211-第一固定杆，212-第二固定杆，213-第一折叠杆，214-第二折叠杆，22-第二横梁，23-第三横梁，231-固定型材，232-伸缩导向型材，233-同步齿轮，234-同步导向齿条，235-滚轮组，236-导向限位件，237-塑料限位件，24-第四横梁，25-第五横梁，26-可升降立柱，261-第三固定杆，262-伸缩杆，263-驱动总成，27-移动轮，3-风腔结构，31-第一风腔，32-第二风腔，41-第一净化模块，42-第二净化模块，5-转动副，51-第一连接件，52-第二连接件，521-卡槽，53-转轴，54-棘轮，55-棘爪，56-连接杆，57-方向调整块，571-卡块，6-均流纱网。
 本发明的实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
本申请提供了一种可移动式正压层流洁净罩的一个实施例，具体请参阅图1、图2和图12。
本实施例中的可移动式正压层流洁净罩包括：框架2、围帘1以及设置在框架2顶部的风腔结构3和均流纱网6，围帘1可拆卸安装于框架2四周，风腔结构3和均流纱网6分别与框架2可拆卸连接，风腔结构3内设置有用于对经过的气流进行过滤的净化模块，风腔结构3底部开设有第一出风口，均流纱网6设置在第一出风口处，用于使净化模块净化后的气流形成均匀垂直层流；框架2包括顶框和设置在顶框底部的可升降立柱26，顶框包括第一横梁21、第二横梁22、第三横梁23和第四横梁24，第一横梁21和第二横梁22均为可折叠结构，第三横梁23和第四横梁24均为可伸缩结构，第一横梁21的一端通过第三横梁23与第二横梁22的一端连接，第一横梁21的另一端通过第四横梁24与第二横梁22的另一端连接；可升降立柱26底部设置有移动轮27。
需要说明的是：本可移动式正压层流洁净罩通过设置第一横梁21、第二横梁22、第三横梁23、第四横梁24和可升降立柱26，可通过第一横梁21和第二横梁22进行长度方向的折叠，通过第三横梁23和第四横梁24进行宽度方向的伸缩，通过可升降立柱26进行高度方向的升降，实现了层流病房内部体积可调，能够满足不同空间需求，适应性更强，同时伸缩折叠易收纳，整体收纳后尺寸可进入所有规格电梯，并且在可升降立柱26底部设置有移动轮27，移动更加方便，更加灵活、便携。
以上为本申请实施例提供的一种可移动式正压层流洁净罩的实施例一，以下为本申请实施例提供的一种可移动式正压层流洁净罩的实施例二，具体请参阅图1至图12。
本实施例中的可移动式正压层流洁净罩包括：框架2、围帘1以及设置在框架2顶部的风腔结构3和均流纱网6，围帘1可拆卸安装于框架2四周，风腔结构3和均流纱网6分别与框架2可拆卸连接，风腔结构3内设置有用于将进入的气流均匀铺满整个风腔结构3的导流板，风腔结构3内设置有用于对经过的气流进行过滤的净化模块，风腔结构3底部开设有第一出风口，均流纱网6设置在第一出风口处，用于使净化模块净化后的气流形成均匀垂直层流；框架2包括顶框和设置在顶框底部的可升降立柱26，顶框包括第一横梁21、第二横梁22、第三横梁23和第四横梁24，第一横梁21和第二横梁22均为可折叠结构，第三横梁23和第四横梁24均为可伸缩结构，第一横梁21的一端通过第三横梁23与第二横梁22的一端连接，第一横梁21的另一端通过第四横梁24与第二横梁22的另一端连接；可升降立柱26底部设置有防倒支架，防倒支架底部设置有移动轮27。移动轮27可以与防倒支架转动连接，进而实现移动轮27的折叠收纳及展开使用，移动轮27上可以设置有用于锁定移动轮27的轮锁装置，便于在移动后固定层流洁净罩。
可以理解的是，为了提高框架2的牢固性和稳定性，在第一横梁21和第二横梁22之间还可以设置有第五横梁25，其中第五横梁25的结构可以与第三横梁23的结构相同。第五横梁25的数量可以为两个或两个以上，使得框架2整体结构更加稳定。
如图3和图4所示，第一横梁21和第二横梁22均包括依次连接的第一固定杆211、第一折叠杆213、第二折叠杆214和第二固定杆212；第一固定杆211与第一折叠杆213之间、第一折叠杆213与第二折叠杆214之间以及第二折叠杆214与第二固定杆212之间均通过转动副5转动连接；转动副5上设置有用于防止反向转动的棘轮棘爪机构，棘轮棘爪机构可提高展开和收纳时的便捷性，同时提高安全性。第一固定杆211的长度与第二固定杆212的长度相同，第一折叠杆213的长度与第二折叠杆214的长度相同，便于折叠，可以将框架2的空间收纳至最小，折叠方向折叠后的尺寸完全满足运输存储的要求。
如图5所示，转动副5包括第一连接件51和第二连接件52，第一连接件51与第二连接件52通过转轴53转动连接；棘轮棘爪机构包括棘轮54、连接杆56、方向调整块57和用于与棘轮54卡接的棘爪55；棘轮54固定在转轴53上；第二连接件52底部开设有第一滑道，第一滑道位于棘轮54轮齿的正上方；棘爪55位于第一滑道内，并与第一滑道活动连接；连接杆56的一端与方向调整块57固定连接，另一端伸入至第一滑道内，并与棘爪55固定连接；连接杆56上套设有复位弹簧，复位弹簧位于第一滑道内；方向调整块57靠近第二连接件52的一端设置有用于通过方向调整使棘爪55与棘轮54卡接或分离的卡块571，第二连接件52上对应设置有用于与卡块571相配合的卡槽521。
需要说明的是：当可移动式正压层流洁净罩需要展开时，可通过方向调整块57调整第一横梁21和第二横梁22上的6个棘爪55的方向，使棘爪55与棘轮54解除卡接状态，进而实现框架2的展开，通过棘轮54和棘爪55的单向转动，可以保证框架2在展开的过程中，只能有一个向外的运动方向，防止倾斜倒塌；同时框架2在展开后，可再次调整第一横梁21和第二横梁22上的6个棘爪55的方向，使棘爪55与棘轮54卡接固定，在棘轮54和棘爪55的作用下使转轴53不会逆转动，保证使用的安全性。同理，当可移动式正压层流洁净罩需要折叠收纳时，通过方向调整块57调整第一横梁21和第二横梁22上的6个棘爪55的方向，可以将框架2折叠，棘轮54和棘爪55的单向转动，可以保证框架2在折叠的过程中，只能有一个向内的运动方向，防止倾斜倒塌。
可以理解的是，风腔结构3可以与框架2一体式连接折叠，即第一横梁21与第二横梁22之间设置有旋转轴；风腔结构3可通过旋转轴与顶框转动连接，用于随顶框进行折叠收纳。
如图6和图7所示，第三横梁23和第四横梁24均包括固定型材231和位于固定型材231两端的伸缩导向型材232；固定型材231上开设有可收纳伸缩导向型材232的第二滑道；伸缩导向型材232通过第二滑道与固定型材231滑动连接，即左右两端的伸缩导向型材232可以收缩导向至中间的固定型材231内部。
如图8所示，第二滑道的中间位置可以设置有同步齿轮233，同步齿轮233的两侧分别通过同步导向齿条234与位于固定型材231两端的伸缩导向型材232固定连接，同步齿轮233与同步导向齿条234传动连接。
需要说明的是：通过设置同步齿轮233和同步导向齿条234，使位于固定型材231两端的伸缩导向型材232同步运动，可以保证框架2左右两侧的调节尺寸相同，使层流洁净罩的气流在中间固定部分，进而提高洁净效果。
如图8所示，第二滑道内可以设置有用于起导向作用的滚轮组235，伸缩导向型材232通过滚轮组235与第二滑道滑动连接。滚轮组235可以设置在第二滑道的入口处。
如图9所示，第二滑道内还可以设置有导向限位件236，伸缩导向型材232外侧对应开设有与导向限位件236形状相匹配的导向槽，通过设置导向限位件236和导向槽，可以保证框架2伸缩时的平稳性，其中导向限位件236的材质可以为塑料，导向限位件236的数量可以为两个或两个以上，导向槽的数量与导向限位件236的数量相等，且一一对应。在本实施例中，导向限位件236的数量为两个，且两个导向限位件236上下对称设置。
如图10所示，伸缩导向型材232外侧可以设置有用于防止金属间摩擦的塑料限位件237。图中所示的为一整圈，塑料限位件237的数量为四个，其中两个固定于固定型材231的两端，另外两个分别固定于2根伸缩导向型材232靠近固定型材231一端。
如图11和图12所示，风腔结构3包括设置在固定型材231顶部的第一风腔31和设置在伸缩导向型材232顶部的第二风腔32，第二风腔32位于第一风腔31的两侧，且第二风腔32与第一风腔31滑动连接，用于配合第三横梁23和第四横梁24的伸缩调节风腔结构3的尺寸大小。第一风腔31两侧均开设有用于与第二风腔32相连通的通风口。
需要说明的是：当进行正压层流洁净罩的宽度调节时，顶部的风腔结构3可同步进行伸缩，以形成新尺寸的风腔结构3，使用方便。
如图12所示，净化模块包括设置在第一风腔31底部的第一净化模块41和设置在通风口处的第二净化模块42，均流纱网6为宽度可调结构，从第一净化模块41和第二净化模块42出来气流通过均流纱网6形成均匀垂直层流，具体的，均流纱网6可以通过滑轨进行上下错位重叠实现宽度可调。
需要说明的是：当进行正压层流洁净罩的宽度调节时，均流纱网6可同步进行伸缩，以形成新尺寸的均流纱网6，使用方便。
如图11所示，可升降立柱26包括第三固定杆261、位于第三固定杆261内且与第三固定杆261滑动连接的伸缩杆262以及用于驱动伸缩杆262沿第三固定杆261伸缩的驱动总成263。驱动总成263固定设置在第三固定杆261上端，驱动总成263驱动连接伸缩杆262，驱动总成263可以为电动推杆。伸缩杆262可以为多段式结构，其段数可以根据实际情况具体设置，可以为两段、三段或其他数量，在此不做限定。
还包括：用于控制可升降立柱26同步升降的同步器，同步器与驱动总成263电连接。通过采用同步器控制，能保证框架2升降的平稳性。
风腔结构3的顶部或侧壁上开设有第一进风口。具体实施时，通过风机或消毒机与第一进风口相连，使罩内形成垂直层流，能够用于低免疫患者的救治和护理，有效降低感染率。
在围帘1上可以设置用于外接其他治疗设备的接口和具有呼叫通话功能及报警功能的装置。
本可移动式正压层流洁净罩可作为病房、手术室、诊室等使用，高机动、便携移动，实现医疗建筑设备化理念，提升医疗机构应急水平。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (10)

  1. 一种可移动式正压层流洁净罩，其中，包括：框架、围帘以及设置在所述框架顶部的风腔结构和均流纱网；
    所述围帘可拆卸安装于所述框架四周；
    所述风腔结构和所述均流纱网分别与所述框架可拆卸连接；
    所述风腔结构内设置有用于对经过的气流进行过滤的净化模块；
    所述风腔结构底部开设有第一出风口；
    所述均流纱网设置在所述第一出风口处，用于使所述净化模块净化后的气流形成均匀垂直层流；
    所述框架包括顶框和设置在所述顶框底部的可升降立柱；
    所述顶框包括第一横梁、第二横梁、第三横梁和第四横梁；
    所述第一横梁和所述第二横梁均为可折叠结构；
    所述第三横梁和所述第四横梁均为可伸缩结构；
    所述第一横梁的一端通过所述第三横梁与所述第二横梁的一端连接，所述第一横梁的另一端通过所述第四横梁与所述第二横梁的另一端连接；
    所述可升降立柱底部设置有移动轮。
  2. 根据权利要求1所述的可移动式正压层流洁净罩，其中，所述第一横梁和所述第二横梁均包括依次连接的第一固定杆、第一折叠杆、第二折叠杆和第二固定杆；
    所述第一固定杆与所述第一折叠杆之间、所述第一折叠杆与所述第二折叠杆之间以及所述第二折叠杆与所述第二固定杆之间均通过转动副转动连接；
    所述转动副上设置有用于防止反向转动的棘轮棘爪机构。
  3. 根据权利要求2所述的可移动式正压层流洁净罩，其中，所述转动副包括第一连接件和第二连接件，所述第一连接件与所述第二连接件通过转轴转动连接；
    所述棘轮棘爪机构包括棘轮、连接杆、方向调整块和用于与所述棘轮卡接的棘爪；
    所述棘轮固定在所述转轴上；
    所述第二连接件底部开设有第一滑道，所述第一滑道位于所述棘轮轮齿的正上方；
    所述棘爪位于所述第一滑道内，并与所述第一滑道活动连接；
    所述连接杆的一端与所述方向调整块固定连接，另一端伸入至所述第一滑道内，并与所述棘爪固定连接；
    所述连接杆上套设有复位弹簧，所述复位弹簧位于所述第一滑道内；
    所述方向调整块靠近所述第二连接件的一端设置有用于通过方向调整使所述棘爪与所述棘轮卡接或分离的卡块，所述第二连接件上对应设置有用于与所述卡块相配合的卡槽。
  4. 根据权利要求1所述的可移动式正压层流洁净罩，其中，所述第三横梁和所述第四横梁均包括固定型材和位于所述固定型材两端的伸缩导向型材；
    所述固定型材上开设有可收纳所述伸缩导向型材的第二滑道；
    所述伸缩导向型材通过所述第二滑道与所述固定型材滑动连接。
  5. 根据权利要求4所述的可移动式正压层流洁净罩，其中，所述第二滑道的中间位置设置有同步齿轮；
    所述同步齿轮的两侧分别通过同步导向齿条与位于所述固定型材两端的伸缩导向型材固定连接；
    所述同步齿轮与所述同步导向齿条传动连接；
    所述第二滑道内设置有用于起导向作用的滚轮组；
    所述伸缩导向型材通过所述滚轮组与所述第二滑道滑动连接；
    所述第二滑道内设置有导向限位件；
    所述伸缩导向型材外侧对应开设有与所述导向限位件形状相匹配的导向槽；
    所述伸缩导向型材外侧设置有用于防止金属间摩擦的塑料限位件。
  6. 根据权利要求4所述的可移动式正压层流洁净罩，其中，所述风腔结构包括设置在所述固定型材顶部的第一风腔和设置在所述伸缩导向型材顶部的第二风腔；
    所述第二风腔位于所述第一风腔的两侧，且所述第二风腔与所述第一风腔滑动连接，用于配合所述第三横梁和所述第四横梁的伸缩调节所述风腔结构的尺寸大小；
    所述第一风腔两侧均开设有用于与所述第二风腔相连通的通风口。
  7. 根据权利要求6所述的可移动式正压层流洁净罩，其中，所述净化模块包括设置在所述第一风腔底部的第一净化模块和设置在所述通风口处的第二净化模块；
    所述均流纱网为宽度可调结构。
  8. 根据权利要求1所述的可移动式正压层流洁净罩，其中，所述可升降立柱包括第三固定杆、位于所述第三固定杆内且与所述第三固定杆滑动连接的伸缩杆以及用于驱动所述伸缩杆沿所述第三固定杆伸缩的驱动总成。
  9. 根据权利要求8所述的可移动式正压层流洁净罩，其中，还包括：用于控制所述可升降立柱同步升降的同步器；
    所述同步器与所述驱动总成电连接。
  10. 根据权利要求1所述的可移动式正压层流洁净罩，其中，所述风腔结构的顶部或侧壁上开设有第一进风口。
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