CN216728716U

CN216728716U - Movable stainless steel exhaust hood

Info

Publication number: CN216728716U
Application number: CN202220108234.8U
Authority: CN
Inventors: 吴志勇; 张红梅
Original assignee: Anhui Yongxin Metal Products Co ltd
Current assignee: Anhui Yongxin Metal Products Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-14
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a movable stainless steel exhaust hood, which comprises a ventilation main pipe, wherein the bottom of the ventilation main pipe is provided with a branch pipe orifice communicated with the ventilation main pipe; the supporting and rotating assembly comprises a main branch pipe connected to the bottom of the branch pipe orifice, and a rotating pipe which can rotate and extends to the lower end of the main branch pipe is arranged on the inner side of the bottom of the main branch pipe; the adjusting mechanism comprises a first adjusting pipe connected to the bottom of the rotating pipe, and a second adjusting pipe and a third adjusting pipe are sequentially sleeved at one end of the first adjusting pipe; the first adjusting pipe can flexibly adjust the operation extension range of the gas collecting hood under the telescopic matching of the second adjusting pipe and the third adjusting pipe, the vertical pipe can be adjusted to extend and retract up and down the gas collecting hood through the connecting pipe until the gas collecting hood is adjusted to a smoke gathering area, the first adjusting pipe and the whole adjusting mechanism can form free horizontal rotation through the rotating pipe and the sealing bearing, and the moving range of the gas collecting hood can be enlarged to cover as much as possible.

Description

Movable stainless steel exhaust hood

Technical Field

The utility model relates to the technical field of exhaust hoods, in particular to a movable stainless steel exhaust hood.

Background

The air exhaust hood is also called a gas collecting hood, mainly utilizes negative pressure wind power generated by the operation of a fan, and forms suction force on the air exhaust hood through a wind pipe.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a movable stainless steel exhaust hood, which solves the problem of immobility of the exhaust hood, and therefore, the present invention is directed to a movable stainless steel exhaust hood, which can be adjusted in rotation according to the horizontal direction and angle required by the exhaust hood, and can adjust the lateral extension range of the exhaust hood, and can adjust the vertical height of the exhaust hood in a lifting manner, thereby expanding the working range as much as possible.

In order to achieve the purpose, the utility model provides the following technical scheme: a removable stainless steel extraction hood, comprising:

the bottom of the main ventilation pipe is provided with a branch pipe orifice communicated with the main ventilation pipe;

the supporting and rotating assembly comprises a main branch pipe connected to the bottom of the branch pipe orifice, and a rotating pipe which can rotate and extends to the lower end of the main branch pipe is arranged on the inner side of the bottom of the main branch pipe;

the adjusting mechanism comprises a first adjusting pipe connected to the bottom of the rotating pipe, one end of the first adjusting pipe is sequentially sleeved with a second adjusting pipe and a third adjusting pipe, and the tail end of the third adjusting pipe is provided with a gas collecting hood;

and the traction mechanism comprises a steel cable connected to the third adjusting pipe.

Preferably, first regulation pipe is L form right angle structure, and its main entrance is horizontal extension, second regulation pipe and third regulation pipe all cup joint in first regulation pipe and are located the extension end of main entrance, and the third regulation pipe passes through to constitute extending structure between second regulation pipe and the first regulation pipe.

Preferably, the upper end of the gas collecting channel is provided with a connecting pipe, the upper part and the outer side of the connecting pipe are sleeved with a vertical pipe, the vertical pipe is vertically arranged, the vertical pipe and the transverse tail end of the third adjusting pipe are of a fixed integrated structure, one side of the top of the vertical pipe is provided with an arc-shaped guide pipe communicated with the third adjusting pipe, and the gas collecting channel is communicated with the third adjusting pipe through the connecting pipe, the vertical pipe and the arc-shaped guide pipe.

Preferably, the root of the vertical end of the first adjusting pipe and the joint of the rotating pipe are provided with a sealing threaded sleeve, the first adjusting pipe passes through a threaded detachable structure formed between the sealing threaded sleeve and the rotating pipe, the joint of the first adjusting pipe, the second adjusting pipe and the third adjusting pipe is provided with a sealing threaded sleeve with the same function as the above, and the joint of the connecting pipe and the vertical pipe is also provided with a sealing threaded sleeve.

Preferably, a sealing bearing is arranged at the joint of the rotating pipe and the main branch pipe, and the first adjusting pipe and the rotating pipe form a horizontal rotating structure through the main branch pipe and the sealing bearing.

Preferably, the total branch pipe with the orificial linking department of tributary is provided with flexible joint, and the total branch pipe through flexible joint with the tributary mouth of pipe with communicate each other between the main pipe ventilates, the outside fixed mounting of total branch pipe has the support frame, and the support frame is immovable.

Preferably, a winch is fixedly installed on the outer side of the vertical pipe, the winch is wound at one end of the steel cable and can be automatically wound, the other end of the steel cable is connected to the support frame, and a locking knob matched with the winch is further arranged on one side of the winch.

Compared with the prior art, the utility model has the beneficial effects that:

the whole air exhaust end can freely and horizontally rotate through the arrangement of the rotating pipe and the sealing bearing, and the coverage range of the air exhaust end is expanded as much as possible under the horizontal stretching of the first adjusting pipe, the second adjusting pipe and the third adjusting pipe.

(two) through the setting of standpipe and takeover, standpipe accessible connecting pipe carries out the adjustment of stretching out and drawing back from top to bottom to the gas collecting channel, adjusts to the gathering region of flue gas until the gas collecting channel, and simultaneously, the arc pipe at standpipe top can introduce the connecting pipe with the suction wind-force in the third regulating pipe and gas collecting channel in, and the structure is ingenious, and is high-efficient practical.

Drawings

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

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a perspective view of the exterior of the first regulating tube according to the present invention.

In the figure: 100. a ventilation main pipe; 110. a branch pipe orifice; 200. a support and rotation assembly; 210. a main branch pipe; 220. rotating the tube; 230. sealing the bearing; 240. a support frame; 250. a flexible joint; 300. an adjustment mechanism; 310. a first regulating tube; 320. a second regulating tube; 330. a third regulating tube; 3301. a vertical tube; 3302. an arcuate conduit; 340. a connecting pipe; 350. a gas-collecting channel; 360. sealing the thread bushing; 400. a traction mechanism; 410. a steel cord; 420. a winch; 430. and locking the knob.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a movable stainless steel exhaust hood which can be adjusted in a rotating mode according to the horizontal direction and the angle required by the exhaust hood, meanwhile, the transverse extension range of the exhaust hood can be adjusted, and in addition, the vertical height of the exhaust hood can be adjusted in a lifting mode, so that the operation range of the exhaust hood is expanded as much as possible.

Referring to fig. 1 to 4, which illustrate the overall structure of a portable stainless steel extraction hood according to the present invention, referring to fig. 1 to 4, the main body of the portable stainless steel extraction hood according to the present embodiment includes a main ventilation pipe 100, a support and rotation assembly 200, an adjustment mechanism 300, and a traction mechanism 400.

The ventilation main pipe 100 is provided with a branch pipe opening 110 communicated with the ventilation main pipe 100 at the bottom, the supporting and rotating assembly 200 comprises a main branch pipe 210 connected to the bottom of the branch pipe opening 110, a rotating pipe 220 which can rotate and extends to the lower end of the main branch pipe 210 is arranged on the inner side of the bottom of the main branch pipe 210, a sealing bearing 230 is arranged at the joint of the rotating pipe 220 and the main branch pipe 210, a horizontal rotating structure is formed by the first adjusting pipe 310 and the rotating pipe 220 through the main branch pipe 210 and the sealing bearing 230, the first adjusting pipe 310 and the whole adjusting mechanism 300 can freely horizontally rotate through the arrangement of the rotating pipe 220 and the sealing bearing 230, the moving range of the gas collecting hood 350 can be enlarged and covered as much as possible under the horizontal extension of the first adjusting pipe 310, the second adjusting pipe 320 and the third adjusting pipe 330 and the vertical extension of the connecting pipe 340 and the vertical pipe 3301, so as to form a horizontal extension, Telescopic from top to bottom and horizontal rotation's all-round regulation, total branch pipe 210 is provided with flexible joint 250 with branch mouth of pipe 110's linking department, and total branch pipe 210 communicates each other through flexible joint 250 and branch mouth of pipe 110 and ventilation main pipe 100, total branch pipe 210's outside fixed mounting has support frame 240, and support frame 240 is immovable, support frame 240 can carry out spacing fixed to total branch pipe 210, and avoid it to drive first regulating pipe 310 and whole adjustment mechanism 300 and appear rocking, flexible joint 250 can make total branch pipe 210 and branch mouth of pipe 110 between link up the mode more nimble, and can elastically stretch out and draw back.

The adjusting mechanism 300 comprises a first adjusting pipe 310 connected to the bottom of the rotating pipe 220, one end of the first adjusting pipe 310 is sequentially sleeved with a second adjusting pipe 320 and a third adjusting pipe 330, the tail end of the third adjusting pipe 330 is provided with a gas collecting hood 350, the first adjusting pipe 310 is in an L-shaped right-angle structure, the main channel of the first adjusting pipe 310 extends horizontally, the second adjusting pipe 320 and the third adjusting pipe 330 are sleeved on the extending end of the first adjusting pipe 310 positioned in the main channel, the third adjusting pipe 330 forms a telescopic structure with the first adjusting pipe 310 through the second adjusting pipe 320, the first adjusting pipe 310 can flexibly adjust the operation extension range of the gas collecting hood 350 under the telescopic matching of the second adjusting pipe 320 and the third adjusting pipe 330, the structure is simple, the practicability is strong, the upper end of the gas collecting hood 350 is provided with a connecting pipe 340, the upper part and the outer side of the connecting pipe 340 are sleeved with a vertical pipe 3301, and the vertical pipe 3301 is vertically arranged, the vertical pipe 3301 and the third adjusting pipe 330 are fixed into a whole, one side of the top of the vertical pipe 3301 is provided with an arc conduit 3302 which is communicated with the third adjusting pipe 330, the gas collecting hood 350 is communicated with the third adjusting pipe 330 through a connecting pipe 340, the vertical pipe 3301 and the arc conduit 3302, because the suspension height of the smoke in each operation area is different, in order to make the gas collecting hood 350 reach the upper part of the smoke precisely, the vertical pipe 3301 can adjust the gas collecting hood 350 through the connecting pipe 340 in a telescopic way up and down until the gas collecting hood 350 is adjusted to the gathering area of the smoke, at the same time, the arc conduit 3302 at the top of the vertical pipe 3301 can lead the suction wind in the third adjusting pipe 330 into the connecting pipe 340 and the gas collecting hood 350, and the arc conduit 3302 also makes the connecting pipe 340 keep the communication with the third adjusting pipe 330 when the connecting pipe is contracted to the shortest, the structure is ingenious, high-efficient and practical, the joint of the vertical end root of the first adjusting pipe 310 and the rotating pipe 220 is provided with a sealing thread sleeve 360, and the first adjusting pipe 310 forms a screw thread detachable structure through the sealing screw thread sleeve 360 and the rotating pipe 220, the joint of the first adjusting pipe 310, the second adjusting pipe 320 and the third adjusting pipe 330 is provided with the sealing screw thread sleeve 360 with the same function as the above, the joint of the connecting pipe 340 and the vertical pipe 3301 is also provided with the sealing screw thread sleeve 360, the assembling operation between the first adjusting pipe 310 and the rotating pipe 220 is more convenient through the joint mode of the sealing screw thread sleeve 360, and simultaneously, when the first adjusting pipe 310, the second adjusting pipe 320 and the third adjusting pipe 330 stretch to the required length, the three pipelines are locked by the sealing screw thread sleeve 360 in a screw thread manner, the free sliding and stretching of the three pipelines are avoided, and the auxiliary matching effect is achieved.

The traction mechanism 400 comprises a steel cable 410 connected to the third adjusting pipe 330, a winch 420 is fixedly installed on the outer side of the vertical pipe 3301, the winch 420 is wound at one end of the steel cable 410, the winch 420 is in an automatic winding form, the other end of the steel cable 410 is connected to the support frame 240, a locking knob 430 matched with the winch 420 is further arranged on one side of the winch 420, and as the transverse distance of the gas collecting hood 350 relative to the support frame 240 is long, the first adjusting pipe 310, the second adjusting pipe 320 and the third adjusting pipe 330 cannot support the whole adjusting mechanism 300, the tail end of the adjusting mechanism 300, namely the vertical pipe 3301 and the support frame 240, can be dragged and dragged through the steel cable 410, the winch 420 can freely extend and wind the steel cable 410, and the winch 420 can be screwed and fixed through the locking knob 430 after the position is determined.

In summary, in the movable stainless steel exhaust hood of the present embodiment, first, when the gas collecting hood 350 needs to be moved, the first adjusting pipe 310 can flexibly adjust the operation extension range of the gas collecting hood 350 under the telescopic cooperation of the second adjusting pipe 320 and the third adjusting pipe 330, the vertical pipe 3301 can adjust the gas-collecting hood 350 through the connecting pipe 340 to extend and retract up and down until the gas-collecting hood 350 is adjusted to the gathering area of the flue gas, meanwhile, the curved guide 3302 at the top of the standpipe 3301 can guide the suction wind in the third adjusting pipe 330 into the connecting pipe 340 and the air collecting hood 350, the first adjusting tube 310 and the whole adjusting mechanism 300 can freely rotate horizontally through the arrangement of the rotating tube 220 and the sealing bearing 230, and under the horizontal extension and contraction of the first adjusting pipe 310, the second adjusting pipe 320 and the third adjusting pipe 330, and the vertical extension and contraction of the connecting pipe 340 and the vertical pipe 3301 make the moving range of the gas collecting hood 350 as large as possible to expand the coverage.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A movable stainless steel extraction hood, comprising:

the bottom of the main ventilation pipe (100) is provided with a branch pipe orifice (110) communicated with the main ventilation pipe (100);

the supporting and rotating assembly (200) comprises a main branch pipe (210) connected to the bottom of the branch pipe orifice (110), and a rotating pipe (220) which can rotate and extends to the lower end of the main branch pipe (210) is arranged on the inner side of the bottom of the main branch pipe (210);

the adjusting mechanism (300) comprises a first adjusting pipe (310) connected to the bottom of the rotating pipe (220), one end of the first adjusting pipe (310) is sequentially sleeved with a second adjusting pipe (320) and a third adjusting pipe (330), and the tail end of the third adjusting pipe (330) is provided with a gas collecting hood (350);

a pulling mechanism (400) comprising a wire rope (410) connected to the third adjustment tube (330).

2. The movable stainless steel extraction hood according to claim 1, wherein: first regulation pipe (310) are L form right angle structure, and its main entrance is horizontal extension, second regulation pipe (320) and third regulation pipe (330) all cup joint in first regulation pipe (310) and are located the extension end of main entrance, and third regulation pipe (330) constitute extending structure through between second regulation pipe (320) and first regulation pipe (310).

3. The movable stainless steel extraction hood according to claim 2, characterized in that: the upper end of gas collecting channel (350) is provided with connecting pipe (340), standpipe (3301) has been cup jointed on the upper portion and the outside of connecting pipe (340), and standpipe (3301) is vertical establishment, standpipe (3301) with the horizontal end of third regulating pipe (330) is fixed integrative structure, top one side of standpipe (3301) be provided with arc pipe (3302) that third regulating pipe (330) communicate each other, gas collecting channel (350) through connecting pipe (340), standpipe (3301) and arc pipe (3302) with communicate each other between the third regulating pipe (330).

4. A removable stainless steel extraction hood according to claim 3, wherein: the root of the vertical end of first regulation pipe (310) with the junction of rotating tube (220) is provided with sealed thread bush (360), and first regulation pipe (310) pass through but constitute screw thread detachable construction between sealed thread bush (360) and rotating tube (220), the linking department of first regulation pipe (310) and second regulation pipe (320) and third regulation pipe (330) all is provided with the sealed thread bush (360) the same with above-mentioned function, connecting pipe (340) with the linking department of standpipe (3301) is provided with sealed thread bush (360) equally.

5. The movable stainless steel extraction hood according to claim 4, wherein: a sealing bearing (230) is arranged at the joint of the rotating pipe (220) and the main branch pipe (210), and the first adjusting pipe (310) forms a horizontal rotating structure with the rotating pipe (220) through the main branch pipe (210) and the sealing bearing (230).

6. The movable stainless steel extraction hood according to claim 5, characterized in that: total branch pipe (210) with the linking department of tributary mouth of pipe (110) is provided with flexible joint (250), and total branch pipe (210) through flexible joint (250) and tributary mouth of pipe (110) with communicate each other between ventilation main pipe (100), the outside fixed mounting of total branch pipe (210) has support frame (240), and support frame (240) are stationary.

7. The removable stainless steel extraction hood according to claim 6, wherein: a winch (420) is fixedly installed on the outer side of the vertical pipe (3301), the winch (420) is wound at one end of the steel cable (410), the winch (420) is in an automatic winding mode, the other end of the steel cable (410) is connected to the supporting frame (240), and a locking knob (430) matched with the winch (420) is further arranged on one side of the winch (420).