CN111661306A - T-shaped ventilating duct - Google Patents

T-shaped ventilating duct Download PDF

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Publication number
CN111661306A
CN111661306A CN202010573369.7A CN202010573369A CN111661306A CN 111661306 A CN111661306 A CN 111661306A CN 202010573369 A CN202010573369 A CN 202010573369A CN 111661306 A CN111661306 A CN 111661306A
Authority
CN
China
Prior art keywords
operating handle
cover plate
sub
force
plates
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
CN202010573369.7A
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Chinese (zh)
Inventor
杨明敏
宋凯雷
吴云亭
蒋和涵
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.)
Jiangnan Shipyard Group Co Ltd
Original Assignee
Jiangnan Shipyard Group Co Ltd
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 Jiangnan Shipyard Group Co Ltd filed Critical Jiangnan Shipyard Group Co Ltd
Priority to CN202010573369.7A priority Critical patent/CN111661306A/en
Publication of CN111661306A publication Critical patent/CN111661306A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J2/00Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02Ventilation; Air-conditioning
    • B63J2/08Ventilation; Air-conditioning of holds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J2/00Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02Ventilation; Air-conditioning
    • B63J2/10Ventilating-shafts; Air-scoops

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Ventilation (AREA)

Abstract

The application discloses a T-shaped ventilating duct, which relates to the technical field of ship processing and manufacturing and comprises a duct body, a bearing beam, a hood cover plate and a force application mechanism; the hood cover plate comprises two sub cover plates which are respectively arranged on two sides of the bearing beam, and each sub cover plate is connected with a rotating device arranged on the bearing beam; the force application mechanism comprises a follower rod and an operating handle, the follower rod comprises a fixed end and a free end, the fixed end and the branch cover plate are relatively fixed, and the operating handle is arranged at the free end. This application adopts two branch apron of application of force drive to rotate around rotating device, operating handle among the application of force mechanism, follower rod and branch apron constitution lever structure, and operating handle's the arm of force is greater than the arm of force of branch apron, only need exert the power that is less than branch apron gravity in operating handle department can order about the operating handle motion, can realize opening and closing of hood apron fast, and this kind of mode can be laborsaving, and saves the time that the hood apron was opened and was closed.

Description

T-shaped ventilating duct
Technical Field
The application relates to the technical field of ship processing and manufacturing, in particular to a T-shaped ventilating duct.
Background
The T-shaped ventilating cylinder is a main air port for ventilating the cargo compartment, and the cargo compartment mainly conveys fresh air through the T-shaped ventilating cylinder to ensure normal circulation of air in the cargo compartmentAnd normal operation of the refrigerated container within the cargo space. The existing common T-shaped ventilation duct has a structural schematic diagram shown in fig. 1, and the opening and closing device mainly adopts a hand wheel 1 form, and the hand wheel 1 rotates to drive a screw rod 2 to control the lifting of a hood cover plate 3, so that the T-shaped ventilation duct is opened and closed. However, in the T-shaped ventilation duct opened and closed by the hand wheel 1, the hand wheel 1 needs to be rotated by a plurality of circles manually for opening and closing, which results in overlong opening and closing time of the ventilation opening of the T-shaped ventilation duct and further affects the safety of the ship. For example, when a fire occurs in the cargo compartment, the T-shaped ventilation ducts cannot rapidly cut off fresh air, so that the fire intensity is increased; or by using CO2When the T-shaped ventilation tube is not closed in time during fire extinguishing, CO is generated2Overflow and poor fire extinguishing effect. In addition, in the practical application process, the hood cover plate 3 is in a normally open state, the hand wheel 1 is not operated for a long time, the hand wheel 1 and the screw rod 2 are easy to rust, the hood cover plate 3 is blocked, and manual rotation cannot be achieved.
Disclosure of Invention
The utility model aims at providing a T type ventilation stack, it can improve the poor problem of security that T type ventilation stack open-close time overlength caused.
In a first aspect, an embodiment of the present application provides a T-shaped funnel, which includes:
a barrel;
the bearing beam is transversely arranged in the middle of the top port of the cylinder;
the hood cover plate comprises two sub cover plates which are respectively arranged on two sides of the bearing beam, and each sub cover plate is connected with a rotating device arranged on the bearing beam;
the force application mechanism comprises a follower rod and an operating handle, the follower rod comprises a fixed end and a free end, the fixed end and the branch cover plate are relatively fixed, and the operating handle is arranged at the free end; the sub-cover plate, the follower rod and the operating handle form a lever structure, and the moment arm of the operating handle is larger than that of the sub-cover plate;
when the operating handle is not applied with force, the two cover plates are covered on the top port of the cylinder body; after the operating handle is applied with force, the operating handle applies force to the sub cover plates through the follower rods, the sub cover plates rotate relative to the bearing beam, and ventilation gaps are formed between the two sub cover plates and the top end ports of the cylinder body.
Optionally, the T-shaped funnel further comprises:
the outer frame of the ventilating funnel is sleeved on the periphery of a port at the top of the funnel body and comprises a frame body, a window body surrounding the frame body and a plate body covering the frame body and arranged at the top of the frame.
Optionally, the outer frame of the ventilator further comprises:
and the guardrail is arranged on the side of the plate body and is detachably connected with the plate body.
Optionally, when a ventilation gap state is formed between the sub cover plate and the top port of the cylinder body, the height of the force application end of the operating handle in the vertical direction is higher than that of the guardrail.
Optionally, the guardrail is provided with a stop for catching the operating handle.
Optionally, the force applying mechanisms of the two sub-cover plates are respectively arranged on two sides of the hood cover plate and are arranged in central symmetry relative to the center of the hood cover plate.
Optionally, the follower rod is joggled with the operating handle; the fixed end of the follower rod is fixed at the side part of the sub-cover plate.
Optionally, the follower rod is joggled with the operating handle; the fixed end of the follower rod is fixed on the sub-cover plate through a connecting piece.
Optionally, the rotating means comprises:
the supporting seat is fixed on the bearing beam;
two ends of the rotating shaft are respectively fixed on the supporting seat;
the pressing plate comprises a fixed end connected with the sub-cover plate and a free end connected with the rotating shaft, and the free end is provided with a through hole matched with the rotating shaft;
the ear plate is abutted against the pressing plate and is provided with a through hole matched with the rotating shaft.
Optionally, each sub-cover plate is provided with at least two pressing plates, and the number of the lug plates is consistent with that of the pressing plates.
Optionally, each sub-cover plate is connected with a rotating device, the length of one rotating shaft is greater than that of the other rotating shaft, the pressing plates are arranged at two ends of the rotating shaft, and the pressing plates at two ends of the rotating shaft with the shorter length are located between the pressing plates at two ends of the rotating shaft with the longer length.
Optionally, a sealing element is arranged at a gap between the sub cover plate and the top port of the cylinder body.
Optionally, the upper surface of the bearing beam is provided with a groove, and the rotating shaft is arranged in the groove.
Compared with the prior art, the beneficial effect of this application:
1. adopt two branch apron of application of force drive to rotate around rotating device in this application, operating handle among the application of force mechanism, the follower rod constitutes lever structure with dividing the apron, and operating handle's the arm of force is greater than the arm of force of branch apron, only need exert the power that is less than branch apron gravity in operating handle department and can order about the operating handle motion, the application of force end of pushing down operating handle can open the hood apron fast, when closing the hood apron, remove and exert power, the hood apron relies on self gravity to close fast, this kind of mode can be laborsaving, and save the time that the hood apron was opened and was closed.
2. Barrel and ventilating duct frame, frame body and plate body etc. all are connected in order can dismantling in this application, and in practical application, this has effectively overcome the space little, the problem that the workman is difficult to the construction.
3. The clearance department that divide apron and barrel top port lid to close in this application is equipped with the sealing member, and under hood apron closed condition, under the limiting displacement of operating handle and dog, the barrel is impressed in the sealing member, prevents that the rainwater from getting into, guarantees the airtight requirement of boats and ships wind and rain.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of a prior art T-shaped air funnel;
FIG. 2 is a schematic structural diagram illustrating a closed state of a T-shaped air funnel according to an embodiment of the present application;
FIG. 3 is a schematic structural view of the T-shaped funnel of FIG. 2 in an open state;
FIG. 4 is a front view of the T-shaped chimney of FIG. 2;
FIG. 5 is a side view of the T-shaped chimney of FIG. 2;
FIG. 6 is a top view of the T-shaped chimney of FIG. 2;
FIG. 7 is a front view of a ventilator housing according to an embodiment of the present application;
FIG. 8 is a front view of a force applying mechanism shown in accordance with an embodiment of the present application;
FIG. 9 is a front view of a cartridge shown in accordance with an embodiment of the present application;
fig. 10 is a top view of the cartridge of fig. 9.
Illustration of the drawings:
100 cylinders; 200 bearing beams; 210 a rotating device; 220 a rotating shaft; 230 a support seat; 300 hood cover plates; 310 parts of cover plates; 320, pressing a plate; 330 ear plates; 340 a seal member; 400 force applying mechanism; 410 operating a handle; 420 a follower rod; 430 a connecting piece; 500 outer frame of ventilator; 510 a frame; a 520 window; 530 a plate body; 540 securing the balustrade; a 550 stop block; 1, a hand wheel; 2, a screw rod; 3, a hood cover plate; 4 rubber ring.
Detailed Description
The following detailed description of embodiments of the present application will be provided in conjunction with the accompanying drawings, which are included to illustrate and not to limit the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it is noted that the terms "first" and "second", etc. are used merely to distinguish descriptions, and are not to be construed as indicating or implying relative importance.
According to one aspect of the present application, a T-shaped chimney is provided. Referring to fig. 2 to 6, the T-shaped ventilation tube in the embodiment of the present application includes a tube body 100, a bearing beam 200, a hood cover plate 300, and a force application mechanism 400. The bearing beam 200 is transversely arranged in the middle of the top port of the barrel 100; the hood cover plate 300 comprises two sub cover plates 310, the two sub cover plates 310 are respectively arranged on two sides of the bearing beam 200, and each sub cover plate 310 is connected with the rotating device 210 arranged on the bearing beam 200; the force application mechanism 400 comprises a follower rod 420 and an operating handle 410, wherein the follower rod 420 comprises a fixed end and a free end, the fixed end is fixed relative to the sub-cover plate 310, and the operating handle 410 is arranged at the free end; the sub-cover plate 310, the follower rod 420 and the operating handle 410 form a lever structure, and the moment arm of the operating handle 410 is larger than that of the sub-cover plate 310.
When the operating handle 410 is not applied with force, the two sub cover plates 310 cover the top port of the cylinder body; after the operating handle 410 is applied with force, the operating handle 410 applies force to the sub cover plates 310 through the follower rod 420, the sub cover plates 310 rotate relative to the bearing beam 200, and ventilation gaps are formed between the two sub cover plates 310 and the top port of the cylinder body.
The working process and the working principle of the application are as follows:
after applying force to the operating handle 410, the operating handle 410 applies force to the sub cover plates 310 through the follower rod 420, and drives the sub cover plates 310 to rotate around the rotating device 210 on the bearing beam 200, and ventilation gaps are formed between the two sub cover plates 310 and the top end port of the cylinder body 100. Because a lever structure is formed among the sub-cover plate 310, the follower rod 420 and the operating handle 410, and the moment arm of the operating handle 410 is larger than that of the sub-cover plate 310, the sub-cover plate 310 can be rotated around the rotating device 210 with a small force; the force application end of the operating handle 410 is pressed downwards to quickly open the hood cover 300, when the hood cover 300 is closed, the applied force is removed, the hood cover 300 is quickly closed by means of self gravity, and the hood cover 300 is quickly opened and closed in a labor-saving mode.
In one embodiment, as shown in fig. 7, the T-shaped funnel includes a funnel outer frame 500, the funnel outer frame 500 is disposed on the periphery of the top port of the funnel body 100, and the funnel outer frame 500 is detachably connected to the funnel body 100. Specifically, the funnel outer frame 500 is fixed to the cylinder 100 by bolts. The outer frame 500 of the ventilator includes a frame body 510, a window 520 surrounding the frame body 510, and a plate 530 covering the top of the frame body 510. The plate 530 may serve as a passage for a person to walk. The plate 530 is detachably fixed on the frame body 510, so that the plate 530 can be removed in advance before the outer frame 500 of the ventilator is fixed with the barrel 100, and personnel can fix the outer frame 500 of the ventilator with the barrel 100 from the top of the frame body 510; after the outer frame 500 of the ventilation duct is fixed to the barrel 100, the plate 530 is fixed to the frame body 510 by bolts. This funnel frame 500 can play the effect of protection hood apron 300, and on guaranteeing that T type funnel ventilates and pleasing to the eye basis, can also prevent that birds or mouse etc. from entering into this T type funnel.
It should be noted that, the funnel outer frame 500 and the barrel 100 are only exemplary to be fixed by bolts, and both can be realized by other connecting components, and the application does not specifically limit the connecting components of the funnel outer frame 500 and the barrel 100, and all the structural components capable of realizing detachable connection between the funnel outer frame 500 and the barrel 100 fall into the protection scope of the application.
Similarly, the plate 530 and the frame body 510 are fixed by bolts, which is only exemplary, and the application does not specifically limit the connection component of the plate 530 and the frame body 510, and any structural component that can realize the detachable connection between the plate 530 and the frame body 510 falls into the protection scope of the application.
In one embodiment, as shown in fig. 7, the outer frame 500 further includes a guard rail 540, and the guard rail 540 is disposed at a side of the plate 530 and detachably connected to the plate 530. Specifically, when the outer frame 500 is fitted around the top port of the barrel 100, the guard rails 540 are disposed on two sides of the plate 530 perpendicular to the rotating device 210. The guard 540 is used to provide a stopper 550 to catch the operating handle 410.
In one embodiment, as shown in fig. 6, the force applying mechanisms 400 of the two sub-covers 310 are respectively disposed at both sides of the hood cover 300 and are arranged in a central symmetry with respect to the center of the hood cover 300. The free end of the follower lever 420 is engaged with the operating handle 410, the fixed end of the follower lever 420 is fixed to the side of the sub-cover plate 310, and the force of the operating handle 410 is transmitted to the sub-cover plate 310 through the follower lever 420. As an alternative embodiment, the free end of the follower rod 420 is engaged with the operating handle 410, the fixed end of the follower rod 420 is fixed to the sub-cover plate 310 by the connecting member 430, and the force of the operating handle 410 is transmitted to the connecting member 430 through the follower rod 420 and rotates the sub-cover plate 310 about the rotating unit 210.
In one embodiment, the operation handle 410 and the follower rod 420 are inclined at an angle, and when the sub-cover plate 310 is covered on the top port of the cylinder 100 and a ventilation gap is formed between the sub-cover plate 310 and the top port of the cylinder 100, the height of the force application end of the operation handle 410 in the vertical direction is higher than that of the guardrail 540, and the force application end of the operation handle 410 is fixed on the guardrail 540. The inclination angle of the operating handle 410 and the follower lever 420 is determined according to the closed state and the open state of the hood cover 300.
As shown in fig. 8, the force applying end of the operating handle 410 is denoted as a, the connecting end of the operating handle 410 and the follower rod 420 is denoted as B, and the arm L of the operating handle 4101A, B is the distance between two points; the two ends of the sub-cover plate 310 are respectively marked as C, D, and the force arm L of the sub-cover plate 3102C, D is the distance between the two points. Arm of force L of operating handle 4101Moment arm L larger than sub cover plate 3102According to the lever principle, the force F at the operating handle 4101Is less than the force F at the partial cover plate 3102That is, the opening and closing of the partial cover plate 310 can be achieved by applying only a smaller gravitational force to the operation handle 410 than to the partial cover plate 310. In practical application, the arm L of the handle 410 is operated1The greater the force F at the operating handle 4101The smaller the arm L of the handle 410, the more labor-saving1When sufficiently large, only a small force F is required1The operating handle 410 can be moved, and the hood cover 300 can be quickly opened by pressing down the force application end of the operating handle 410, and the hood cover can be closedWhen the plate 300 is used, the applied force is removed, the hood cover 300 is quickly closed by means of the gravity of the hood cover, the opening and closing time of the hood cover 300 can be saved by the mode, and the opening and closing of the hood cover 300 can be quickly realized.
In one embodiment, the guardrail 540 is provided with a stop 550 for catching the operating handle 410. Each guardrail 540 is provided with a first stop and a second stop, respectively. The positions of the first and second stoppers on the fence 540 are determined according to the positions of the operating handle 410 in the closed and open states of the hood cover 300. The first stopper is used to fix the operating handle 410 of the hood cover 300 in a closed state, so as to prevent the hood cover 300 from rebounding due to excessive force when being closed. The second stopper is used to fix the operating handle 410 in the open state of the hood cover 300, and prevent the operating handle 410 from bouncing back due to the gravity of the hood cover 300. The middle of the block 550 can be a block with a groove, or a solid block, and when the block 550 is a block with a groove in the middle, the operating handle 410 is clamped in the groove; when the stop 550 is a solid block, the operating handle 410 is snapped to one side of the stop 550.
It should be noted that the structure of the stopper 550 is only exemplary, and the structure of the stopper 550 is not specifically limited in the present application, and any structure of the stopper 550 that can realize the operation of clamping the operation handle 410 falls within the protection scope of the present application.
In one embodiment, as shown in fig. 9-10, the rotating device 210 includes a supporting base 230, a rotating shaft 220, a pressing plate 320 and an ear plate 330. The supporting base 230 is fixed on the bearing beam 200; two ends of the rotating shaft 220 are respectively fixed on the supporting seat 230; the pressing plate 320 includes a fixed end connected with the sub-cover plate 310 and a free end connected with the rotating shaft 220, and the free end is provided with a through hole for matching with the rotating shaft 220; the ear plate 330 abuts against the pressing plate 320 and is provided with a through hole matched with the rotating shaft 220, and the ear plate 330 is sleeved on the rotating shaft 220 through the through hole. Each sub-cover plate 310 is provided with at least two pressure plates 320, the number of the ear plates 330 is consistent with that of the pressure plates 320, and the greater the number of the pressure plates 320, the smaller the weight borne by each pressure plate 320, so that the operation strength of a person can be reduced.
In one embodiment, each sub-cover plate 310 is connected to one rotating device 210, the T-shaped ventilation pipe includes two rotating shafts 220, one rotating shaft 220 has a length greater than that of the other rotating shaft 220, the pressing plates 320 are disposed at two ends of the rotating shafts 220, and the pressing plates 320 at two ends of the rotating shaft 220 with shorter length are located between the pressing plates 320 at two ends of the rotating shaft 220 with longer length. In the space with a small gap, two rotating devices 210 may be disposed, and the two rotating devices 210 do not affect the rotation of each other.
In one embodiment, as shown in fig. 9 to 10, the bearing beam 200 is provided at the middle of the top end of the barrel 100, and both ends are fixed to the outer periphery of the barrel 100. The upper surface of the support beam 200 is provided with a groove, and the rotating shaft 220 is disposed in the groove.
In one embodiment, a sealing member 340 is disposed at a gap between the sub-cap plate 310 and the top port of the cylinder 100. Specifically, the sealing member 340 is provided in a groove around each sub-cap plate 310. Under the closing state of the hood cover 300, each sub cover 310 is engaged with the cylinder 100, and under the limiting action of the operating handle 410 and the stop block 550, the cylinder 100 is pressed into the sealing element 340, so that rainwater is prevented from entering, and the weather tight requirement of the ship is ensured.
The T-shaped ventilation duct provided by the application can rapidly realize the opening and closing of the hood cover plate 300 through the force application mechanism 400 and the rotating device 210, and can meet the weather tight requirement of a ship. This simple structure, the simple operation can effectively be solved conventional T type draft tube and open and close for a long time, can not cut off new trend scheduling problem fast, plays certain guarantee effect to boats and ships security.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.

Claims (13)

1. A T-shaped funnel, comprising:
a barrel;
the bearing beam is transversely arranged in the middle of the top port of the cylinder;
the hood cover plate comprises two sub cover plates, the two sub cover plates are respectively arranged on two sides of the bearing beam, and each sub cover plate is connected with a rotating device arranged on the bearing beam;
the force application mechanism comprises a follower rod and an operating handle, the follower rod comprises a fixed end and a free end, the fixed end and the sub cover plate are relatively fixed, and the operating handle is arranged at the free end; the sub cover plate, the follower rod and the operating handle form a lever structure, and the moment arm of the operating handle is larger than that of the sub cover plate;
when the operating handle is not applied with force, the two cover separating plates cover the top port of the cylinder body; after the operating handle is applied with force, the operating handle applies force to the sub cover plates through the follower rods, the sub cover plates rotate relative to the bearing beam, and ventilation gaps are formed between the two sub cover plates and the top port of the cylinder body.
2. The T-shaped chimney according to claim 1 further comprising:
the outer frame of the ventilating funnel is sleeved on the periphery of a port at the top of the funnel body and comprises a frame body, window bodies and covers, wherein the window bodies and the covers are arranged on the periphery of the frame body, and the plate bodies are arranged at the top of the frame.
3. A T-shaped air funnel according to claim 2, wherein the air funnel housing further comprises:
the guardrail sets up the avris of plate body, and with the connection can be dismantled to the plate body.
4. A T-shaped ventilation tube according to claim 3, wherein the force application end of the operation handle is higher than the guardrail in height in the vertical direction when a ventilation gap state is formed between the branch cover plate and the tube body top port.
5. A T-shaped ventilation tube according to claim 3 or 4, characterized in that the guardrail is provided with a stop for blocking the operating handle.
6. A T-shaped ventilation pipe according to any one of claims 1 to 5,
the force application mechanisms of the two sub-cover plates are respectively arranged on two sides of the hood cover plate and are arranged in central symmetry relative to the center of the hood cover plate.
7. A T-shaped ventilation tube according to claim 6, characterized in that the follower rod and the operating handle are joggled; the fixed end of the follower rod is fixed at the side part of the sub-cover plate.
8. A T-shaped ventilation tube according to claim 6, characterized in that the follower rod is joggled with an operating handle; the fixed end of the follower rod is fixed on the sub-cover plate through a connecting piece.
9. A T-shaped ventilation tube according to claim 6, characterized in that the rotating device comprises:
the supporting seat is fixed on the bearing beam;
the two ends of the rotating shaft are respectively fixed on the supporting seat;
the pressing plate comprises a fixed end connected with the sub cover plate and a free end connected with the rotating shaft, and the free end is provided with a through hole matched with the rotating shaft;
the ear plate is abutted to the pressing plate and is provided with a through hole matched with the rotating shaft.
10. A T-shaped ventilation tube according to claim 9, characterized in that each said sub-cover plate is provided with at least two said pressing plates, and the number of said ear plates is the same as the number of said pressing plates.
11. A T-shaped ventilation tube according to claim 9, characterized in that each sub-cover plate is connected with one of the rotating devices, the length of one of the rotating shafts is greater than that of the other rotating shaft, the pressing plates are arranged at both ends of the rotating shaft, and the pressing plates at both ends of the rotating shaft with shorter length are positioned between the pressing plates at both ends of the rotating shaft with longer length.
12. The T-shaped ventilation tube of claim 9, wherein a sealing element is arranged at the gap between the sub cover plate and the top port of the tube body.
13. A T-shaped ventilation tube according to claim 9, wherein the upper surface of the bearing beam is provided with a groove, and the rotating shaft is arranged in the groove.
CN202010573369.7A 2020-06-22 2020-06-22 T-shaped ventilating duct Pending CN111661306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010573369.7A CN111661306A (en) 2020-06-22 2020-06-22 T-shaped ventilating duct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010573369.7A CN111661306A (en) 2020-06-22 2020-06-22 T-shaped ventilating duct

Publications (1)

Publication Number Publication Date
CN111661306A true CN111661306A (en) 2020-09-15

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ID=72389282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010573369.7A Pending CN111661306A (en) 2020-06-22 2020-06-22 T-shaped ventilating duct

Country Status (1)

Country Link
CN (1) CN111661306A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012020697A (en) * 2010-07-16 2012-02-02 Daiko Sangyo:Kk Vent sleeve
CN203623959U (en) * 2013-12-10 2014-06-04 上海外高桥造船有限公司 Side opened bacterium type ventilator
CN205311886U (en) * 2016-01-22 2016-06-15 江苏丰源船舶工程有限公司 Air funnel for boats and ships
CN105711799A (en) * 2016-01-22 2016-06-29 江苏丰源船舶工程有限公司 Side opening type ventilation device with weather tight mechanism
CN210653609U (en) * 2019-10-22 2020-06-02 江苏骥鑫船舶设备有限公司 Rectangular ventilating cap with operating rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012020697A (en) * 2010-07-16 2012-02-02 Daiko Sangyo:Kk Vent sleeve
CN203623959U (en) * 2013-12-10 2014-06-04 上海外高桥造船有限公司 Side opened bacterium type ventilator
CN205311886U (en) * 2016-01-22 2016-06-15 江苏丰源船舶工程有限公司 Air funnel for boats and ships
CN105711799A (en) * 2016-01-22 2016-06-29 江苏丰源船舶工程有限公司 Side opening type ventilation device with weather tight mechanism
CN210653609U (en) * 2019-10-22 2020-06-02 江苏骥鑫船舶设备有限公司 Rectangular ventilating cap with operating rod

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