CN211624337U

CN211624337U - Anti-lock closed ventilation butterfly valve

Info

Publication number: CN211624337U
Application number: CN201922276287.1U
Authority: CN
Inventors: 袁晓红
Original assignee: Tianjin North Hongtai Valve Co ltd
Current assignee: Tianjin North Hongtai Valve Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-02
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a ventilation butterfly valve technical field especially relates to an anti-lock airtight type ventilation butterfly valve. The to-be-solved technical problem of the utility model is to fix and remove fixedly the pipeline to the convenience. In order to solve the technical problem, the utility model provides an airtight type ventilation butterfly valve of antilock, the inside top through connection of control box has the lead screw, the top fixedly connected with pressure plate of lead screw, the both sides at pressure plate top all through connection have the bolt, the equal fixedly connected with outer ring wheel in both sides of control box inside, the outside cover at lead screw middle part is equipped with hollow axis of rotation, the outside cover at lead screw top is equipped with the transmission gear, the bottom and the hollow axis of rotation fixed connection of transmission gear, the back through connection of control box has the connecting axle, the fixed link gear that has cup jointed of one end of connecting axle, the bottom and the transmission gear mesh of link gear mutually, the other end of connecting axle has cup jointed changes the handle.

Description

Anti-lock closed ventilation butterfly valve

Technical Field

The utility model relates to a ventilation butterfly valve technical field specifically is an anti-lock airtight type ventilation butterfly valve.

Background

The ventilation butterfly valve is an important accessory of a ship cabin ventilation system and plays a role of a very pipe fitting in the ship ventilation system. Utilize the ventilation butterfly valve can realize closing the air door when flame-out such as diesel engine, but current ventilation butterfly valve uses not convenient enough, need pass through the very loaded down with trivial details of bolt and nut fixed operation when fixed pipeline.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides an airtight type ventilation butterfly valve of anti-lock has solved the problem of mentioning in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an anti-lock airtight type ventilation butterfly valve comprises a control box and an outer ring wheel, wherein the top inside the control box is connected with a lead screw in a penetrating way, the top fixedly connected with pressure plate of the lead screw is connected with a bolt in a penetrating way, the two sides inside the control box are connected with the outer ring wheel in a penetrating way, the outer side at the middle part of the lead screw is sleeved with a hollow rotating shaft, the outer side at the top part of the lead screw is sleeved with a transmission gear, the bottom of the transmission gear is fixedly connected with the hollow rotating shaft, the back of the control box is connected with a connecting shaft in a penetrating way, one end of the connecting shaft is fixedly sleeved with a linkage gear, the bottom of the linkage gear is meshed with the transmission gear, the other end of the connecting shaft is sleeved with a rotating handle, the bottom fixedly connected with, the front in the hollow axis of rotation outside and the equidistant connection in back have the ventilation leaf, the bottom cover of lead screw is equipped with the screw gear, the equal fixedly connected with inner ring wheel in ventilation pipe's both sides, the equidistant connection in one side of outer ring wheel has the connecting rod, the fixed swing joint of one end of connecting rod has the fixed leaf of triangle, the loose axle and inner ring wheel swing joint are passed through to the one corner of the fixed leaf of triangle, the both sides and two outer ring wheel of screw gear mesh mutually.

Further preferably, the top both sides of screw gear are all fixedly connected with telescopic link, the spout has been seted up to air pipe's bottom, the inside and the telescopic link sliding connection of activity spout.

Preferably, the side surface of the outer ring wheel is provided with teeth, and the outer sides of the teeth are meshed with the threaded gear.

Further preferably, a fixed slideway is arranged in the inner ring wheel, and the inside of the fixed slideway is connected with the triangular fixed blade in a sliding manner.

Further preferably, the top of the ventilation pipeline is provided with a lifting hole, and the inside of the lifting hole is in through connection with the screw rod.

Preferably, the bottom of the control box is provided with a rotating hole, and the inside of the rotating hole is in through connection with the hollow rotating shaft.

(III) advantageous effects

The utility model provides an anti-lock airtight type ventilation butterfly valve possesses following beneficial effect:

(1) this airtight butterfly valve of antilock ventilation through pushing down the pressure plate, makes the lead screw descend, and screw gear will rotate when the lead screw descends, when screw gear is rotatory, through the tooth of outer ring side, makes the outer ring wheel rotatory, when the outer ring wheel is rotatory, will promote the connecting rod, makes the fixed leaf of triangle remove simultaneously to fix the pipeline of both sides.

(2) This airtight butterfly valve of antilock, through rising the pressure plate, make the lead screw rise, screw gear will rotate when the lead screw descends, when screw gear is rotatory, through the tooth of outer ring side, make the outer ring wheel rotatory, when the outer ring wheel is rotatory, will stimulate the connecting rod, make the fixed leaf of triangle remove simultaneously to the pipeline of both sides is relieved fixedly.

Drawings

FIG. 1 is a view showing the structure of the present invention;

FIG. 2 is a side view of the outer ring wheel of the present invention;

fig. 3 is a view of the bottom structure of the ventilation duct of the present invention.

In the figure: the device comprises a control box 1, a ventilating duct 2, a pressure plate 3, bolts 4, a screw rod 5, a connecting shaft 6, a rotating handle 7, a linkage gear 8, a transmission gear 9, a hollow rotating shaft 10, an expansion rod 11, a threaded gear 12, a ventilating vane 13, an outer ring wheel 14, a connecting rod 15, a triangular fixed vane 16, a movable shaft 17 and an inner ring wheel 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-lock closed ventilation butterfly valve comprises a control box 1 and an outer ring wheel 14, wherein the top inside the control box 1 is connected with a lead screw 5 in a penetrating way, the top of the lead screw 5 is fixedly connected with a pressure plate 3, two sides of the top of the pressure plate 3 are both connected with bolts 4 in a penetrating way, two sides inside the control box 1 are both fixedly connected with the outer ring wheel 14, the outer side of the middle part of the lead screw 5 is sleeved with a hollow rotating shaft 10, the outer side of the top of the lead screw 5 is sleeved with a transmission gear 9, the bottom of the transmission gear 9 is fixedly connected with the hollow rotating shaft 10, the back of the control box 1 is connected with a connecting shaft 6 in a penetrating way, one end of the connecting shaft 6 is fixedly sleeved with a linkage gear 8, the bottom of the linkage gear 8 is meshed with the transmission gear 9, the other end of the connecting, the front and the back of the outer side of the hollow rotating shaft 10 are connected with ventilation blades 13 at equal intervals, the ventilation blades 13 are used for rotating the ventilation blades 2 when the rotating handle 7 is rotated, so as to achieve a ventilation effect, the bottom of the screw rod 5 is sleeved with a threaded gear 12, the interior of the threaded gear 12 is provided with threads for driving the threaded gear 12 to rotate with the screw rod 5, both sides of the ventilation pipeline 2 are fixedly connected with inner ring wheels 18, one side of each outer ring wheel 14 is connected with connecting rods 15 at equal intervals, one end of each connecting rod 15 is fixedly and movably connected with a triangular fixed blade 16, one corner of each triangular fixed blade 16 is movably connected with the inner ring wheel 18 through a movable shaft 17, both sides of the threaded gear 12 are meshed with the two outer ring wheels 14, both sides of the top of the threaded gear 12 are fixedly connected with telescopic rods 11, the bottom of the ventilation pipeline 2 is provided, tooth has been seted up to outer ring gear 14's side, tooth is used for the meshing of outer ring gear 14 and screw gear, tooth's the outside meshes with screw gear 12 mutually, fixed slide has been seted up to inner ring gear 18's inside, fixed slide's inside and triangle fixed blade 16 sliding connection, the lift hole has been seted up at ventilation pipe 2 top, the inside and the lead screw 5 through connection in lift hole, rotatory hole has been seted up to the bottom of control box 1, the inside and the hollow axis of rotation 10 through connection in rotatory hole.

The working principle is as follows: by pressing the pressure plate 3 downwards, the screw rod 5 descends, the threaded gear 12 rotates when the screw rod 5 descends, the external ring gear 14 rotates through teeth on the side surface of the external ring gear 14 when the threaded gear 12 rotates, the connecting rod 15 is pushed when the external ring gear 14 rotates, and meanwhile, the triangular fixing blades 16 move, so that pipelines on two sides are fixed. When the pressure plate 3 is raised, the screw rod 5 is raised, the screw gear 12 is rotated when the screw rod 5 is lowered, and when the screw gear 12 is rotated, the outer ring gear 14 is rotated by the teeth on the side surface of the outer ring gear 14, and when the outer ring gear 14 is rotated, the connecting rod 15 is pulled, and the triangular fixing blades 16 are moved, thereby fixing the pipes on both sides.

Claims

1. The utility model provides an airtight type ventilation butterfly valve of anti-lock, includes control box (1) and outer ring wheel (14), its characterized in that: the top through connection of control box (1) inside has lead screw (5), the top fixedly connected with pressure plate (3) of lead screw (5), the equal through connection in both sides at pressure plate (3) top has bolt (4), the equal fixedly connected with outer ring wheel (14) in both sides of control box (1) inside, the outside cover at lead screw (5) middle part is equipped with hollow axis of rotation (10), the outside cover at lead screw (5) top is equipped with transmission gear (9), the bottom and hollow axis of rotation (10) fixed connection of transmission gear (9), the back through connection of control box (1) has connecting axle (6), the one end of connecting axle (6) is fixed to be cup jointed linkage gear (8), the bottom and the transmission gear (9) of linkage gear (8) mesh mutually, the other end of connecting axle (6) has cup jointed and has changeed (7), bottom fixedly connected with air pipe (2) of control box (1), the inside and hollow axis of rotation (10) through connection of air pipe (2), the front and the equidistant ventilation leaf (13) that have in the back in hollow axis of rotation (10) outside, the bottom cover of lead screw (5) is equipped with screw gear (12), the equal fixedly connected with inner ring wheel (18) in both sides of air pipe (2), the equidistant connection in one side of outer ring wheel (14) has connecting rod (15), the fixed swing joint of one end of connecting rod (15) has the fixed leaf of triangle (16), the one corner of the fixed leaf of triangle (16) is passed through loose axle (17) and inner ring wheel (18) swing joint, the both sides and two outer ring wheels (14) of screw gear (12) mesh mutually.

2. An anti-lock hermetic ventilation butterfly valve according to claim 1, characterized in that: the equal fixedly connected with telescopic link (11) in top both sides of screw gear (12), the spout has been seted up to the bottom of air pipe (2), the inside and telescopic link (11) sliding connection of activity spout.

3. An anti-lock hermetic ventilation butterfly valve according to claim 1, characterized in that: the side surface of the outer ring gear (14) is provided with teeth, and the outer sides of the teeth are meshed with the threaded gear (12).

4. An anti-lock hermetic ventilation butterfly valve according to claim 1, characterized in that: the inner ring wheel (18) is internally provided with a fixed slideway, and the inside of the fixed slideway is connected with the triangular fixed blade (16) in a sliding way.

5. An anti-lock hermetic ventilation butterfly valve according to claim 1, characterized in that: the top of the ventilation pipeline (2) is provided with a lifting hole, and the inside of the lifting hole is in through connection with the screw rod (5).

6. An anti-lock hermetic ventilation butterfly valve according to claim 1, characterized in that: the bottom of the control box (1) is provided with a rotating hole, and the inside of the rotating hole is in through connection with the hollow rotating shaft (10).