CN211637669U

CN211637669U - Unpowered fume chamber

Info

Publication number: CN211637669U
Application number: CN201921896740.2U
Authority: CN
Inventors: 孙昊
Original assignee: Yangzhou Deke Laboratory Equipment Co ltd
Current assignee: Yangzhou Deke Laboratory Equipment Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-10-09
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an unpowered fume chamber, including the ventilation case, the equal fixed mounting in both sides surface has the fixed pipe of cavity about the ventilation case middle-end, the equal fixed mounting in ventilation case bottom left and right sides surface has first fixed plate, every the inside slidable mounting that all runs through of cavity fixed tube has the slip pipe. The utility model discloses because run through the slip pipe and install inside the cavity fixed tube to and the fixed tube top of cavity is inside to have seted up first fixed screw, the fixed screw of a plurality of seconds has been seted up inside the slip tube top, can pass inside the fixed screw of the second of first fixed screw and different positions simultaneously with fixing bolt, and then change the back in the position with the slip pipe, can fix the position of slip pipe, can not take place arbitrary removal after guaranteeing the position readjustment of slip pipe, support the box through having first support box and second at second fixed plate surface mounting, therefore, the utility model is practical, and is suitable for extensive popularization and use.

Description

Unpowered fume chamber

Technical Field

The utility model is suitable for a ventilation unit field, in particular to unpowered fume chamber.

Background

At present, the unpowered wind cabinet is a device which utilizes the natural wind speed of the nature to push the turbine of the fan to rotate and utilizes the indoor and outdoor air convection principle to accelerate and convert the air flow in any parallel direction into the vertical air flow from bottom to top so as to improve the indoor ventilation effect.

However, there are still some disadvantages in the unpowered fumehood used today: 1. the unpowered ventilation cabinets used at present are basically installed at the top end of a metal factory building, the same holes are required to be formed in the top end of the factory building according to the diameter of the unpowered ventilation cabinets before installation, and then the unpowered ventilation cabinets are installed at the corresponding holes, so that once the holes are formed in different sizes, the corresponding unpowered ventilation cabinets cannot be stably installed at the top end of the factory building; 2. to unpowered fume chamber, inside has corresponding ventilation fan leaf, and because ventilation fan leaf is after long-time use, its surface can adsorb a large amount of dusts, and then influences the normal circulation of air, and maintenance personal is to its when clearing up, very inconvenient. Therefore, we propose an unpowered hood.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an unpowered ventilation hood, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an unpowered ventilation cabinet comprises a ventilation box, wherein hollow fixed pipes are fixedly arranged on the surfaces of the left side and the right side of the middle end of the ventilation box, the ventilation box comprises a ventilation box body, a ventilation box cover, a first fixing plate, a first fixing screw hole, a first fixing bolt, a second fixing screw hole, a first external thread, a first internal thread and a second internal thread, wherein the surfaces of the left side and the right side of the bottom end of the ventilation box body are fixedly provided with the first fixing plates, a sliding pipe is slidably arranged in each hollow fixing pipe in a penetrating manner, the inside of the top end of each hollow fixing pipe is connected with the inside of the top end of the sliding pipe through the fixing bolt, the inside of the top end of each sliding pipe is equally spaced and provided with the;

every first fixed plate top surface equal equidistance fixed mounting has a plurality of first second to support the box, every the second supports the inside bottom surface of box equal fixed mounting has supporting spring, every the equal fixed mounting in first supporting box bottom surface of supporting spring top surface, every the equal fixed mounting in first supporting box top surface has anti-skidding friction pad.

Preferably, every the inside centre gripping screw that has all seted up in slip pipe top, every centre gripping screw inside wall all runs through movable mounting has the centre gripping bolt, every centre gripping bolt bottom surface all is connected with the inside fixed of grip block middle-end through the second bearing, every second external screw thread has all been seted up to centre gripping bolt bottom lateral wall, every the second internal thread has all been seted up to centre gripping screw inside wall, second external screw thread and second internal thread looks adaptation.

Preferably, ventilation case top middle-end movable mounting has the second fixed plate, the second fixed plate top left and right sides surface all is connected with the one end stationary phase of pivot, every the other end of pivot all is connected with fixed soft knot top fixed surface, every fixed mouthful has all been seted up to fixed soft knot middle-end inside, ventilation case top left and right sides surface all fixed mounting has the fixed column, every the diameter of the interior lateral wall of fixed mouthful all is the same with the diameter of fixed column.

Preferably, a plurality of pulleys are movably mounted in the bottom end of each hollow fixed pipe at equal intervals, and the top end surface of each pulley is tightly attached to the bottom end surface of the sliding pipe.

Preferably, the ventilation box, the hollow fixing pipe, the first fixing plate, the second fixing plate, the follower rod and the clamping plate are all made of stainless steel, and the anti-skid friction pad, the fixing column and the fixing soft buckle are all made of rubber.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the unpowered ventilation cabinet of the utility model has the advantages that the hollow fixed pipes are arranged on the surfaces of the left side and the right side of the middle end of the ventilation cabinet, the sliding pipe is arranged inside the hollow fixed pipe in a penetrating way, the first fixed screw hole is arranged inside the top end of the hollow fixed pipe, the second fixed screw holes are arranged inside the top end of the sliding pipe, the fixed bolt can simultaneously pass through the first fixed screw hole and the second fixed screw holes with different positions, the position of the sliding pipe can be fixed after the position of the sliding pipe is changed, the sliding pipe can be prevented from moving randomly after being readjusted, the first supporting box and the second supporting box are arranged on the surface of the second fixed plate, the first supporting box and the second supporting box are connected through the supporting spring, the device can be supported by the extrusion of the supporting spring, and can shake after being impacted by the outside after being fixed at the corresponding position, so that the anti-skid friction pad can be always attached to the surface of a fixed position.

2. The utility model discloses an unpowered fume chamber owing to at the inside centre gripping screw that has seted up of slip pipe to install the centre gripping bolt inside the centre gripping screw through second internal thread and second external screw thread looks adaptation, and then can be according to the steel sheet of the fixed position of different thickness, and then can rotate the position that the centre gripping bolt adjusted the grip block, it is fixed to carry out the centre gripping at the steel sheet surface to whole device to make the grip block hug closely, increases the stability of this device.

3. The utility model discloses an unpowered fume chamber, because all install fixed soft knot through the pivot in second fixed plate left and right sides surface to set up the fixed orifices in fixed soft knot, and install the fixed column on the fume chamber top, can put into the fixed orifices with the fixed column, and then with the stable installation of second fixed plate on the fume chamber surface, and can be quick dismantle the second fixed plate from the fume chamber surface, and then make things convenient for maintenance personal to dismantle the clearance from the top of this device to the ventilating fan leaf.

Drawings

FIG. 1 is a schematic view of the overall structure of the unpowered ventilation hood of the present invention;

fig. 2 is the schematic view of the top view structure of the ventilation box of the unpowered ventilation cabinet of the present invention.

Reference numerals: the anti-skidding friction pad structure comprises a ventilation box 1, a hollow fixing pipe 2, a first fixing plate 3, an anti-skidding friction pad 4, a second fixing plate 5, a first bearing 6, a follower rod 7, a ventilation fan blade 8, a fixing port 9, a fixing column 10, a rotating shaft 11, a fixing soft buckle 12, a first external thread 13, a fixing bolt 14, a first fixing screw hole 15, a second fixing screw hole 16, a first internal thread 17, a clamping bolt 18, a sliding pipe 19, a clamping plate 20, a second bearing 21, a second external thread 22, a second internal thread 23, a pulley 24, a supporting spring 25, a first supporting box 26, a second supporting box 27 and a clamping screw hole 28.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

As shown in fig. 1-2, an unpowered ventilation cabinet comprises a ventilation box 1, wherein hollow fixing pipes 2 are fixedly mounted on the left and right side surfaces of the middle end of the ventilation box 1, first fixing plates 3 are fixedly mounted on the left and right side surfaces of the bottom end of the ventilation box 1, a sliding pipe 19 is slidably mounted inside each hollow fixing pipe 2, a first fixing screw hole 15 is formed inside the top end of each hollow fixing pipe 2, a fixing bolt 14 is movably mounted on the inner side wall of each first fixing screw hole 15, the inside of the top end of each hollow fixing pipe 2 is connected with the inside of the top end of the sliding pipe 19 through the fixing bolt 14, a plurality of second fixing screw holes 16 are uniformly formed inside the top end of each sliding pipe 19, a first external thread 13 is formed on the outer side wall of the bottom end of each fixing bolt 14, and a first internal thread 17 is formed on the inner side wall of each second fixing screw hole 16, the first external thread 13 is matched with the first internal thread 17;

every 3 equal equidistance fixed mounting in top surface of first fixed plate has a plurality of first second to support box 27, every the second supports the inside bottom surface of box 27 and all fixed mounting have supporting spring 25, every the equal fixed mounting in supporting spring 25 top surface supports box 26 bottom surface at first, every the equal fixed mounting in first supporting box 26 top surface has anti-skidding friction pad 4.

In the embodiment, as shown in fig. 1 and fig. 2, the hollow fixing tube 2 is installed on the left and right surfaces of the middle end of the ventilation box 1, the sliding tube 17 is installed inside the hollow fixing tube 2 in a penetrating manner, the first fixing screw hole 15 is formed inside the top end of the hollow fixing tube 2, the plurality of second fixing screw holes 16 are formed inside the top end of the sliding tube 19, the fixing bolt 14 can simultaneously pass through the first fixing screw hole 15 and the second fixing screw holes 16 at different positions, and after the position of the sliding tube 19 is changed, the position of the sliding tube 19 can be fixed, so that the sliding tube 19 is ensured not to move arbitrarily after being readjusted, the first supporting box 26 and the second supporting box 27 are installed on the surface of the first fixing plate 3, and the first supporting box 26 and the second supporting box 27 are connected through the supporting spring 25, so that the extrusion supporting function of the supporting spring 25 can be performed, can be fixed in corresponding position and receive external impact and produce after rocking, make anti-skidding friction pad 4 hug closely all the time in fixed position surface.

Wherein, every 19 inside centre gripping screws 28 have all been seted up in top of sliding tube, every 28 inside walls of centre gripping screws all run through movable mounting and have clamping bolt 18, every 18 bottom surfaces of clamping bolt all are connected with the inside stationary phase of grip block 20 middle-end through second bearing 21, every 18 bottom outside walls of clamping bolt have all been seted up second external screw thread 22, every 28 inside walls of centre gripping screws have all been seted up second internal thread 23, second external screw thread 22 and the adaptation of second internal thread 23.

In this embodiment, as shown in fig. 1, a clamping screw hole 28 is formed inside the sliding tube 19, and the clamping bolt 18 is installed inside the clamping screw hole 28 through the adaptation of the second internal thread 23 and the second external thread 22, so that the position of the clamping plate 20 can be adjusted by rotating the clamping bolt 18 according to the steel plates with different thicknesses at fixed positions, so that the clamping plate 20 can be tightly attached to the surface of the steel plate to clamp and fix the whole device, and the stability of the device is improved.

Wherein, 1 top middle-end movable mounting of ventilation case has second fixed

plate

5, 5 top left and right sides surfaces of second fixed plate all are connected with the one end stationary phase of pivot 11, every the other end of pivot 11 all is connected with fixed soft 12 top fixed surface that detain, every fixed mouthful 9 has all been seted up to fixed soft 12 middle-end inside, 1 top left and right sides surface of ventilation case all fixed mounting has fixed column 10, every the diameter of fixed mouthful 9 inside wall all is the same with the diameter of fixed column 10.

As shown in fig. 1 and 2, in this embodiment, because fixed soft buckles 12 are all installed through pivot 11 on the surfaces of the left and right sides of the second fixing plate 5, and a fixing opening 9 is opened in the fixed soft buckle 12, and a fixing column 10 is installed on the top end of the ventilation box 1, the fixing column 10 can be put into the fixing opening 9, and then the second fixing plate 5 is stably installed on the surface of the ventilation box 1, and the second fixing plate 5 can be quickly disassembled from the surface of the ventilation box 1, so that a maintenance person can conveniently disassemble and clean the ventilation fan blade 8 from the top of the device.

A plurality of pulleys 24 are movably mounted in the bottom end of each hollow fixed pipe 2 at equal intervals, and the top end surface of each pulley 24 is tightly attached to the bottom end surface of the sliding pipe 19.

In this embodiment, as shown in fig. 1, the sliding tube 19 can be driven by the pulley 24 to move left and right inside the hollow fixed tube 2.

The ventilation box 1, the hollow fixing pipe 2, the first fixing plate 3, the second fixing plate 5, the follower rod 7 and the clamping plate 20 are all made of stainless steel, and the anti-skid friction pad 4, the fixing column 10 and the fixing soft buckle 12 are all made of rubber.

In this embodiment, as shown in fig. 1 and 2, the rubber material has good elasticity, and can prevent the damage of the component in the pulling process, and the stainless steel has good rust resistance, and can prevent the component from rusting and damaging under long-time rain wash.

It should be noted that the utility model relates to an unpowered fume hood, including a fume hood 1, a hollow fixing tube 2, a first fixing plate 3, an anti-skid friction pad 4, a second fixing plate 5, a first bearing 6, a follower rod 7, a ventilation fan blade 8, a fixing port 9, a fixing column 10, a rotating shaft 11, a fixing soft buckle 12, a first external thread 13, a fixing bolt 14, a first fixing screw 15, a second fixing screw 16, a first internal thread 17, a clamping bolt 18, a sliding tube 19, a clamping plate 20, a second bearing 21, a second external thread 22, a second internal thread 23, a pulley 24, a supporting spring 25, a first supporting box 26, a second supporting box 27, and a clamping screw 28, wherein the components are general standard components or components known by technicians in the neighborhood, the structure and principle of the unpowered fume hood can be known by technical manuals or by conventional experimental methods, when the device works, the anti-skid friction pad 4 is tightly attached to the bottom end surface of a position to be fixed, the fixing bolt 14 is rotationally drawn out, the sliding pipe 19 is pulled, the clamping plate 20 can be close to the position to be clamped and fixed, then the fixing bolt 14 is placed into the first fixing screw hole 15, the clamping bolt 18 is rotated, the clamping plate 20 is tightly attached to the top end surface of the position to be fixed, the fixed installation of the ventilation box 1 is completed, when the ventilation fan blade 8 needs to be cleaned, the fixing soft buckle 12 is opened, the second fixing plate 5 is taken out for cleaning, compared with the traditional ventilation device, the device has the advantages that the hollow fixing pipes 2 are arranged on the left side surface and the right side surface of the middle end of the ventilation box 1, the sliding pipe 17 is arranged inside the hollow fixing pipes 2 in a penetrating manner, the first fixing screw hole 15 is arranged inside the top end of the hollow fixing pipe 2, the plurality of second fixing screw holes 16 are arranged inside, can pass first fixed screw 15 with the fixed screw 16 inside of the second of different positions simultaneously with fixing bolt 14, and then after changing the position of slide tube 19, can fix the position of slide tube 19, guarantee that arbitrary removal can not take place after the position readjustment of slide tube 19, support box 27 through first fixed plate 3 surface mounting have first support box 26 and second, and support box 27 with first support box 26 and second through supporting spring 25 and be connected, and then can pass through supporting spring 25's extrusion supporting role, can receive external impact and produce after rocking after fixing this device in corresponding position, make anti-skidding friction pad 4 hug closely all the time at fixed position surface.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an unpowered fume chamber, includes fume chamber (1), its characterized in that: the ventilation box is characterized in that hollow fixing pipes (2) are fixedly mounted on the surfaces of the left side and the right side of the middle end of the ventilation box (1), first fixing plates (3) are fixedly mounted on the surfaces of the left side and the right side of the bottom end of the ventilation box (1), sliding pipes (19) are slidably mounted in the hollow fixing pipes (2) in a penetrating manner, first fixing screw holes (15) are formed in the top end of each hollow fixing pipe (2), fixing bolts (14) are movably mounted in the inner side walls of the first fixing screw holes (15), the top end of each hollow fixing pipe (2) is connected with the inner side of the top end of each sliding pipe (19) through the fixing bolts (14), a plurality of second fixing screw holes (16) are formed in the top end of each sliding pipe (19) at equal intervals, first external threads (13) are formed in the outer side walls of the bottom end of each fixing bolt (14), first internal threads (17) are formed in the inner, the first external thread (13) is matched with the first internal thread (17);

every first fixed plate (3) top surface equal equidistance fixed mounting has a plurality of first second to support box (26, 27), every the second supports the inside bottom surface of box (27) and all fixed mounting has supporting spring (25), every supporting spring (25) top surface equal fixed mounting is at first supporting box (26) bottom surface, every first supporting box (26) top surface equal fixed mounting has anti-skidding friction pad (4).

2. The unpowered hood according to claim 1, wherein: every centre gripping screw (28) have all been seted up to sliding tube (19) top inside, every centre gripping screw (28) inside wall all runs through movable mounting and has centre gripping bolt (18), every centre gripping bolt (18) bottom surface all is connected with grip block (20) middle-end inside fixed through second bearing (21), every second external screw thread (22) have all been seted up to centre gripping bolt (18) bottom lateral wall, every second internal thread (23) have all been seted up to centre gripping screw (28) inside wall, second external screw thread (22) and second internal thread (23) looks adaptation.

3. The unpowered hood according to claim 1, wherein: ventilation box (1) top middle-end movable mounting has second fixed plate (5), second fixed plate (5) top left and right sides surface all is connected with the one end stationary phase of pivot (11), every the other end of pivot (11) all is connected with fixed soft knot (12) top fixed surface, every fixed soft knot (12) middle-end inside fixed mouthful (9) have all been seted up, ventilation box (1) top left and right sides surface all fixed mounting has fixed column (10), every the diameter of fixed mouthful (9) inside wall all is the same with the diameter of fixed column (10).

4. The unpowered hood according to claim 1, wherein: a plurality of pulleys (24) are movably mounted in the bottom end of each hollow fixing tube (2) at equal intervals, and the top end surface of each pulley (24) is tightly attached to the bottom end surface of the sliding tube (19).

5. The unpowered hood according to claim 1, wherein: the ventilation box (1), the hollow fixing pipe (2), the first fixing plate (3), the second fixing plate (5), the follower rod (7) and the clamping plate (20) are all made of stainless steel, and the anti-skid friction pad (4), the fixing column (10) and the fixing soft buckle (12) are all made of rubber.