CN2662116Y - Lifting device for smoke exhauster - Google Patents

Abstract

The utility model relates to a lifting device for range hood in kitchen, which is characterized in that two railways parallels and connected by a top beam and a bottom beam; the section of the railway is in a groove shape; a slide set or a rolling set is arranged on two sides of the top beam frame; a balanced weight device with a weight dropper and a plurality of replaceable weights, a mounting attachment for range hood with length adjusting holes, a bottom beam frame with height adjusting holes and an operation and locking device with two handles on both sides locking automatically the height are connected onto the top beam frame. The connection parts between the spiral soft pipe and the smoke passage and the connection parts between the spiral soft pipe and the range hood avoid the problems that the position and sealing of the spiral pipe is not damaged. The set of lifting device matches with all fixed range hood in various sizes and weights and the lifting function improves the oil exhausting effect. The utility model has the advantages of convenience to produce and equip, low cost and labor saving.

Description

The smoke exhaust ventilator lowering or hoisting gear

Technical field the utility model relates to a kind of lowering or hoisting gear, is used for the lowering or hoisting gear of kitchen smoke exhaust ventilator specifically.

The background technology at present seen kitchen smoke exhaust ventilator overwhelming majority is fixedly mounted on the kitchen range top fixed smoke exhaust ventilator on the wall of certain altitude is arranged, because the height of this smoke exhaust ventilator can not change on demand, produce in culinary art under the situation of a large amount of oil smoke, smoke exhaust ventilator can not brought into play due effect, the part oil smoke that can take away at lower position can not be taken away, and polluted room air; The Liftable type smoke exhaust ventilator that existing market occurs has solved the problems referred to above, but it is a kind of regeneration product of fixed smoke exhaust ventilator, and price is higher; Confidential the addressing the above problem of fixed smoke pumping then needs to abandon trade-in, and the expense expenditure is bigger.

The purpose of this utility model provide a kind of make and install easy, easy to operate, price is low, can automatically lock the height, can with the matching used smoke exhaust ventilator lowering or hoisting gear of various fixed smoke exhaust ventilators, make fixed smoke exhaust ventilator have elevating function, improve the smoke pumping effect of smoke exhaust ventilator, reduce room air pollution.

Summary of the invention the utility model is made up of guide rail, upper frame, underframe, slide assemblies or rolling assembly, smoke exhaust ventilator installation accessories, counter weight device and operation, locking device; Two transverse shapes that are parallel to each other are the guide rail of flute profile, are connected with underbeam with putting the beams in place, and there is installing hole in the outside below upper beam and two guide rails; In the both sides of upper frame, every side is installed two groups of slide assemblies or rolling assembly symmetrically, and this slide assemblies or rolling assembly put in the conduit of guide rail; Make upper frame and the underframe can be along described lifting rail; Underframe is connected with upper frame is adjustable by the height adjustment hole on its side; The smoke exhaust ventilator installation accessories is contained on the upper frame by installing hole; On the upper frame crossbeam, connecting the counter weight device of forming by stay cord, leading block and weight; One cover operation, locking device are housed on upper frame and underframe.

Slide assemblies is made up of slide block and slide block axle, and slide block is contained in an end of slide block axle, and puts in the conduit of guide rail, and the axial end of this end is smooth sphere shape, and the other end of slide block axle is fixedly connected on the upper frame.Rolling assembly as the another kind of embodiment of slide assemblies, form by left and right sides limited roller and bearing support thereof and front and back limited roller and axle thereof, left and right sides limited roller is connected on the upper frame by its bearing support, front and rear rolling wheel is contained in an end of axle, the other end of axle is installed on the upper frame, described roller can be a small rolling ball bearing, also can be to be wheel rim by plastics, oil resistant rubber, and copper, aluminium are the roller that wheel hub is made.The smoke exhaust ventilator installation accessories is connected crossbeam with one and is carried out adjustable connecting to form by the adjustable crossbeam of two symmetries, on described each crossbeam length-adjustment holes is arranged all; Aiming at certain smoke exhaust ventilator when supporting, this smoke exhaust ventilator installation accessories can be the part of a regular length, has on it and the adaptive installing hole and the connecting hole that is connected with upper frame of institute's dress smoke exhaust ventilator.In the counter weight device, an end of stay cord is connected the lateral mid-point of upper frame crossbeam, and stay cord is by behind the leading block, and the other end is connected on the weight; Leading block can be installed on ceiling or the wall; Weight can be made up of the counterweight that can change that a basic weight and several weight do not wait, and the structure of weight and counterweight is identical with weight and counterweight that pound claims.Operation, locking device are made up of friction block, lever, lever stay cord, stay cord, rocking bar stay cord, rocking bar, fixing operation bar, activity operations bar, spring, adjustment nut, rocking bar limited block and adjustment screw; Friction block is a cuboid substantially, the vertical consistency of its long limit and guide rail, and place the conduit of guide rail, there is wearing piece in its outside, movable axis is equipped with in the inboard, and be connected with an end of lever, the other end of lever is connected with the lower end of spring and lever stay cord, and lever is installed on the upper frame by lever shaft; The upper end of spring is connected with adjustment nut above being positioned at the upper frame crossbeam by screw rod; Two identical lever stay cords of length link together, form a stay cord, after this root stay cord passes through from two-way two the cylinders centres of leading the cable tube that are contained in the underframe back, link together with an end of the rocking bar stay cord of left and right sides, the other end of the rocking bar stay cord that two length is identical is connected with the rocking bar free end of a side separately respectively; Two become the stiff end and the fixing operation bar of the rocking bar of herringbone is one, and is contained in by rocker shaft on the lower, transverse centre position of underframe; The fixing operation bar is an inverted T-shape, the stiff end of its upper end and rocking bar is an one, left and right sides both direction is stretched in its lower end, and the activity operations bar can be installed, be scalable the connection between activity operations bar and the fixing operation bar, on the fixing operation bar, trip bolt is arranged, the activity operations bar is positioned on the fixing operation bar; Two rocking bar limited blocks are by on the underframe that is installed in the rocker shaft both sides of adjusting the screw symmetry; Adjust the height of rocking bar limited block with the adjustment screw, limit the scope of activities of rocking bar, to satisfy instructions for use.Be positioned at the adjustment nut on the upper frame crossbeam, be connected,, regulate the spring tension of both sides, make the coupling mechanism force equilibrium of both sides by adjusting nut by the screw rod that is mated and the upper end of spring.On two installing holes at upper frame crossbeam middle part, a spacing clamp of U-shaped is installed, the vertical section of smoke exhaust ventilator outlet corrugated hose is from wherein passing through.

Coupling assembling with matching used corrugated hose of smoke exhaust ventilator lowering or hoisting gear of the present utility model and flue, form by straight-run of pipe and the corrugated hose, sealing ring, supported flange dish, connector, clamp, screw rod and the nut that have a flange by the short tube of the flanged dish of an end, pipe end, ring flange on the short tube and the flue outer wall side of joining has sealing ring, opposite side has the supported flange dish of flanged bolt hole, on the supported flange dish, connecting two connectors symmetrically, connecting hole is being arranged on connector; Corrugated hose is socketed in the short tube outside, tightens with clamp in the outside of corrugated hose; The outside, middle part at clamp is connecting symmetrically to radially-protruding screw rod, and this screw rod passes the connecting hole on the connector, screw rod and connector is linked together with nut on the two sides of connector; The another kind of form of the coupling assembling of corrugated hose and flue is: short tube is the bend pipe of one 90 degree, connector is a lambdoid part, the connecting hole of its top one side is connected with the screw rod on the clamp, its bottom every side have one with the supported flange dish on the connecting hole that the bolt hole position is relative, diameter is identical.

Form by straight-run of pipe and flanged corrugated hose, clamp, screw rod, connector and nut by short tube, pipe end with the coupling assembling of supporting corrugated hose of smoke exhaust ventilator lowering or hoisting gear of the present utility model and smoke exhaust ventilator, the lower end of short tube is socketed on the outlet flue of smoke exhaust ventilator, or be socketed on the outlet flue of the anti-down cigarette device of smoke exhaust ventilator, the other end of short tube is socketed in the inside of corrugated hose, tightens with clamp in the outside of corrugated hose; The outside, middle part at clamp is connecting symmetrically to radially-protruding screw rod; Both sides at the smoke exhaust ventilator outlet flue, connecting two connectors symmetrically, two different connecting holes of height are being arranged, the connecting hole of bottom on the connector, use when being connected with the smoke exhaust ventilator outlet flue, use when the connecting hole on top is connected with anti-down cigarette device outlet flue for short tube for short tube; Nut, screw rod by the connector both sides, connector and clamp are linked together.

In the coupling assembling of the coupling assembling of corrugated hose and flue and corrugated hose and smoke exhaust ventilator, the another kind of form that short tube is connected with corrugated hose is: the end that short tube is connected with corrugated hose, the spiral that matches with the corrugated hose inwall is arranged on the outer wall of short tube, corrugated hose spins mutually with short tube, and tighten with cord the outside.

Smoke exhaust ventilator lowering or hoisting gear of the present utility model, because the counter weight device and the length-adjustable activity operations bar of height adjustable underframe, length-adjustable smoke exhaust ventilator installation accessories, adjustable bulk wight hammer weight are arranged, so can with the supporting use of fixed smoke exhaust ventilator of various appearance and sizes, various weight, make it have elevating function, improve the smoke pumping effect, reduce room air pollution; This smoke exhaust ventilator lowering or hoisting gear is owing to adopted less slide assemblies of frictional resistance or rolling assembly, counter weight device to eliminate the positive negative contrast of the descending operation power that produces because of the smoke exhaust ventilator deadweight; At left and right sides the descending operation handle is arranged all, so rapid operation and convenient in addition; On operating handle, when stopping descending operation and exerting oneself, just pull lever deflection of spring, friction block makes on its conduit that is close to guide rail for the dyanainic friction sheet, make the highly automated locking of smoke exhaust ventilator, unartificial height change can not take place in smoke exhaust ventilator, and avoids this smoke exhaust ventilator lowering or hoisting gear to produce vibration and noise because of the work of smoke exhaust ventilator; Because it is common to make this smoke exhaust ventilator lowering or hoisting gear materials, technology is simple, thereby cost is low; After adopting this lowering or hoisting gear, can make at the fixed smoke exhaust ventilator of usefulness and needn't abandon trade-in, reduce update cost.

Description of drawings Fig. 1 is the front elevational schematic of a kind of embodiment of smoke exhaust ventilator lowering or hoisting gear of the present utility model;

Fig. 2 is the positive cross-sectional schematic of the rolling assembly of another kind of embodiment of the present utility model shown in Figure 1;

Fig. 3 be smoke exhaust ventilator lowering or hoisting gear A of the present utility model shown in Figure 1 to partial view;

Fig. 4 is the cutaway view of the coupling assembling of corrugated hose shown in Figure 5 and flue along the D-D line;

Fig. 5 is that the B of coupling assembling of corrugated hose shown in Figure 4 and flue is to view;

Fig. 6 is the front view of another kind of embodiment of the coupling assembling of Fig. 4, corrugated hose shown in Figure 5 and flue;

Fig. 7 is the cutaway view of Fig. 6 along the A-A line;

Fig. 8 is the front view of the coupling assembling of corrugated hose and smoke exhaust ventilator;

Fig. 9 is in the coupling assembling of the coupling assembling of Fig. 4～corrugated hose shown in Figure 7 and flue, corrugated hose shown in Figure 8 and smoke exhaust ventilator, the partial elevation view of the another kind of embodiment that corrugated hose is connected with short tube.

Among Fig. 1: two parallel, guide rails 14 that the cross section is flute profile, 18 link to each other with underbeam 29 with putting the beams in place Connect, at upper beam 18 installing hole 19 is arranged, there is installing hole 8 in the outside below guide rail 14. Underframe 2 is by it Strip height adjustment hole 3 on the side is connected with connecting hole 4 usefulness bolts on the upper frame 9. At upper frame 9 Both sides, every side connect two groups of slide assemblies symmetrically, and slide block 10 is contained on the slide block axle 12, and put in guide rail 14 Conduit in, the axle head 11 of this side is smooth spheric, the other end of slide block axle 12 and upper frame 9 is fixing Connect.

Position in that aforesaid framework 9 is installed slide assemblies also can change the installation rolling assembly into, referring to figure 2: front and back limited roller 43 is contained in an end of axle 46, and the other end of axle 46 is fixedly mounted on the upper frame 9, a left side Right limit roller 44 utilizes its bearing support 45 to be fixedly connected on the upper frame 9; Before and after limited roller 43 and about Limited roller 44 puts in the conduit of guide rail 14.

Among Fig. 1: an end of stay cord 16 is connected connection with weight, stay cord 16 by two leading blocks 17 after another End is connected the lateral mid-point of upper frame crossbeam 13, and two leading blocks 17 fixedly mount on the wall or the sky On the canopy.

In operation shown in Figure 1, locking device, each part is about on upper frame 9 and the underframe 2 all being Be arranged symmetrically with, there is the friction block 27 of wearing piece 43 in the outside, is arranged in the conduit of guide rail 14, and friction block 27 is logical The movable axis 26 of crossing on it is connected with an end of lever 24, and the other end of lever 24 is connecting spring 22 and lever Stay cord 23, lever 24 is contained on the upper frame 9 by lever shaft 25; The lever stay cord 23 of the left and right sides is connected Be connected together and with stay cord 28, the two-way cable tube 31 of leading is housed in the back of underframe crossbeam 32, stay cord 28 is from two After passing in the middle of two cylinders of guide cable tube 31, be connected one with an end of the rocking bar stay cord 33 of left and right sides Rise, the other end of the rocking bar stay cord 33 that two length is identical connects with the free end of the rocking bar 34 of a side separately respectively Connect; Two rocking bars 34 that become herringbone, its stiff end and fixing operation bar 36 are one, and pass through Rocker shaft 35 is contained on the bottom lateral mid-point of underframe 2; The below of fixing operation bar 36 is hollow Tubular piece, activity operations bar 37 inserts in the tubular cavity of fixing operation bar 36, has tightly at the fixing operation bar Gu screw 40, activity operations bar 37 outwards have an in a zigzag bending at 39 places near handle 38, fixing behaviour Make the left of bar 36 and right-handly respectively fill an activity operations bar 37.

As seen from Figure 1: the smoke exhaust ventilator installation accessories is by 7 groups of adjustable crossbeam 6, adjustable crossbeam 30 and connecting cross beams Become the company on adjustable crossbeam 6 and length-adjustment holes 5 that strip arranged above the adjustable crossbeam 30 and upper frame 9 Connect hole 4 usefulness bolts and connect, and cooperate with connecting cross beam 7, jointly adjust adjustable crossbeam 6 and adjustable crossbeam 30 Total length. Another effect of length-adjustment holes 5 is that smoke exhaust ventilator is installed, connecting cross beam 7 and adjustable The connection of crossbeam 6, adjustable crossbeam 30 is seen Fig. 3, as seen from Figure 3: have on the connecting cross beam 7 one long The length-adjustment holes 48 of bar shaped, the length-adjustment holes 47 of the strip on its longitudinal centre line and the adjustable crossbeam 6 And the longitudinal centre line of the length-adjustment holes 49 of the strip on the adjustable crossbeam 30 is consistent, when adjustable crossbeam 6 Hes After the total length adjustment of adjustable crossbeam 30 was suitable, the coincidence part of passing above-mentioned each adjustment hole with bolt was also solid Fixed.

In Fig. 1: curve B is that smoke exhaust ventilator is when being raised to the extreme higher position, in the smoke exhaust ventilator outlet corrugated hose Heart line, curve C are smoke exhaust ventilators when being reduced to extreme lower position, the center of smoke exhaust ventilator outlet corrugated hose Line. Two installing holes 21 at upper frame crossbeam 13 middle parts are used for installing corrugated hose U-shaped clip for limiting (the U-shaped clip for limiting does not draw in the drawings), have between this U-shaped clip for limiting and the corrugated hose bigger between The crack.

Can see from Fig. 4 and Fig. 5: short tube 51 has ring flange 59, and the one side of ring flange 59 has sealing ring 60, and another side has supported flange dish 58; The corrugated hose 52 of end flanged pin 57 is socketed in the outside of short tube 51, and tightens with clamp 53; One section of corrugated hose 52 and short tube 51 sockets is the walled tube that does not have spiral; Clamp 53 is made up of a pair of nearly semicircular arc part, there is clamping bolt hole 63 its termination, on the outer arc of clamp 53, connecting screw rod 56 symmetrically, screw rod 56 passes the connecting hole 62 on the connector 54, screw rod 56 and connector 54 is linked together with nut 55 on the two sides of connector 54; Connector 54 is connected on the supported flange dish 58.

Fig. 6, shown in Figure 7: have ring flange 73 on the 90 degree bend pipes 65, the one side of ring flange 73 has sealing ring 74, and another side has supported flange dish 72,90 degree bend pipes 65 not have an end of ring flange, inserts socket in the corrugated hose 66, outside clamp 67 chuckings; Clamping bolt hole 77 is arranged on the clamp 67, near supported flange dish 72 1 sides, connecting screw rod 70 at clamp 67, screw rod 70 passes the connecting hole 76 on the connector 68, screw rod 70 and connector 68 is linked together with nut 69 on the two sides of connector 68; Connector 68 is lambdoid parts, and the connecting hole 76 on its top is connected with screw rod 70, two holes of bottom and bolt hole 75 position consistency on the supported flange dish, and diameter is identical.

As seen from Figure 8: the bottom of short tube 81 has flange, the outlet flue socket of the lower end of short tube 81 and smoke exhaust ventilator 88; The corrugated hose 82 of termination flanged pin 87 is socketed in the outside of short tube 81, and the outside of corrugated hose 82 tightens by clamping bolt hole 93 usefulness bolts with a pair of nearly semicircular clamp 83; One section of corrugated hose 82 and short tube 81 sockets is the walled tube that does not have spiral; The outer middle side part of each clamp fixedly connected a screw rod 86, screw rod 86 links together screw rod 86 and connector 84 with nut 85 on the two sides of connector 84 by the connecting hole 92 on the connector 84; Connector 84 bottoms have been connected by the 89 usefulness bolts of the connecting hole on connecting hole 90 and the smoke exhaust ventilator 88.

As seen from Figure 9: the spiral that matches with corrugated hose 96 inwalls is arranged on the outer wall of short tube 95, and short tube 95 spins mutually with corrugated hose 96, and (cord does not draw) tightened with cord in the outside.

The height adjustment hole 3 of the strip on specific embodiment underframe 2 sides also can be a plurality of circular holes arranged in a straight line on the position of the height adjustment hole 3 of strip; Aiming under the supporting situation of certain smoke exhaust ventilator, underframe 2 and upper frame 9 can be one.

This smoke exhaust ventilator lowering or hoisting gear can be installed slide assemblies, also rolling assembly can be installed; Two kinds of assemblies can be mixed being installed on this smoke exhaust ventilator lowering or hoisting gear, promptly a kind of assembly is installed on top, and another kind of assembly is installed in the bottom.In slide assemblies: slide block 10 can be used the plastics king, also can make with other plastics, and its profile is a cuboid substantially, and the seamed edge that contacts with guide rail falls into fillet, with the frictional resistance between minimizing and guide rail.

Front and back limited roller 43 and left and right sides limited roller 45 can be used small rolling ball bearing, as No. 16 or No. 17; Also can be the roller that can rotate flexibly on it, this roller available copper, aluminium be wheel hub, and plastics or oil resistant rubber are wheel rim.

In counter weight device, weight 15 is not waited by a basic weight and several weight, and the counterweight that can conveniently change is formed, and its structure is identical with weight and counterweight that pound claims, that is: basic weight is a cylinder, and the patty boss concentric with it arranged on plane radially above it; Adjustable counterweight is short cylinder or pan, and one side has and the basic identical boss of weight upward in its footpath, and one side has the pie recess adaptive with described boss downwards in its footpath; On each adjustable counterweight, also have from its edge to surpassing center, the short slot that upper and lower surface is penetrating slightly.Leading block 17 can be installed on the wall, also can be installed on the ceiling, and the top that makes one of them be in smoke exhaust ventilator, another is in the corner or other does not influence the place that it moves up and down.

In operation, the locking device, wearing piece 43 adopts the resin wearing piece that automobile brake sheet is used or clutch is used.

The smoke exhaust ventilator installation accessories can adopt the structure that can adjust length, and its length-adjustment holes 5,47,48,49 can be the strip hole, also can be several equidistant circular holes on aforesaid strip hole site; Aiming under the supporting situation of certain smoke exhaust ventilator, the smoke exhaust ventilator installation accessories also can be the part of a regular length suitable with this smoke exhaust ventilator length, have on it smoke exhaust ventilator installing hole and with the connecting hole of upper frame; In the less situation of smoke exhaust ventilator length, also can above-mentioned smoke exhaust ventilator installation accessories, utilize installing hole 4 that smoke exhaust ventilator directly is installed on upper frame 9 and the underframe 2.

In the coupling assembling of corrugated hose and flue, short tube, supported flange dish can also can be made by rigid plastics by steel; Sealing ring can be made by foam sponge or soft oil resistant rubber; Short tube can be the straight tube of flanged dish, also can be 90 degree bend pipes of flanged dish; Be planted in flue and advance the expansion bolt on the wall or the plug that expands around the mouth, its position is consistent with the bolt hole position on the supported flange dish, utilizes this expansion bolt or tapping screw this coupling assembling can be connected on the hot wall securely.

In the coupling assembling of corrugated hose and smoke exhaust ventilator, if when on the smoke exhaust ventilator outlet flue anti-down cigarette device being arranged, the outlet flue of short tube 81 and anti-down cigarette device socket-connects, and screw rod 86 passes connecting hole 92 on the connector 84 ' be connected with connector 84; Short tube 81 can be used steel pipe, also can use plastic conduit.

In the coupling assembling of the coupling assembling of corrugated hose and flue and corrugated hose and smoke exhaust ventilator, short tube can also adopt following connected mode with corrugated hose: being connected with corrugated hose at short tube on the outer wall of an end has the spiral that matches with the corrugated hose inwall, short tube spins mutually with corrugated hose, tighten with cord the outside, to guarantee between the two sealing and not get loose.

On two installing holes 21 in the middle part of framework is put the beams in place the spacing clamp of U-shaped is installed, the vertical section of smoke exhaust ventilator outlet corrugated hose is from wherein passing through, big gap is arranged between spacing clamp of this U-shaped and the corrugated hose, can be so that corrugated hose has certain move place, do not influence it and stretch, make its state of being kept upright again.

Smoke exhaust ventilator lowering or hoisting gear of the present utility model is work like this: when needs raise smoke exhaust ventilator or reduce, holding the operating handle 38 of any side exerts oneself up or down, rocking bar 34 just along rocker shaft 35 left to or deflection, spur rocking bar stay cord 33 simultaneously, stay cord 28, lever stay cord 23, overcome the pulling force of spring 22, the lever 24 that makes both sides is simultaneously along lever shaft 25 deflections, friction block 27 is left together with the madial wall of wearing piece 43 with guide rail 14 conduits, state unlocks, at this moment the left arm of rocking bar 34 or right arm just lean against on a left side or the right rocking bar limited block 42, simultaneously upper frame 9, underframe 2, just can raise or reduction along guide rail 14 together with dress smoke exhaust ventilator thereon; At this moment weight 15 also reduces simultaneously or raises.When smoke exhaust ventilator raises or is reduced to needed height, the operating physical force or the hand that stop lifting leave operating handle 38, at this moment bilateral lever 24 is under the pulling of a side spring 22 separately, reset along lever shaft 25 reverse deflections, wearing piece 43 is close to again on the madial wall of guide rail conduit, makes the highly automated locking of smoke exhaust ventilator.Adjust the pulling force of 22 pairs of levers 24 of spring with being positioned at adjustment nut 20 on the upper frame crossbeam 13, make the coupling mechanism force equilibrium of bilateral, and make coupling mechanism force and descending operation power satisfy instructions for use.Adjust the height of rocking bar limited block by adjusting screw 41, make the opereating specification of rocking bar 34 satisfy instructions for use.

In the smoke exhaust ventilator elevating movement, also spur the corrugated hose motion of smoke exhaust ventilator outlet, in the junction of corrugated hose and flue, have and the supporting corrugated hose of smoke exhaust ventilator lowering or hoisting gear of the present utility model and the coupling assembling of flue; Have in corrugated hose and smoke exhaust ventilator connection and the supporting corrugated hose of smoke exhaust ventilator lowering or hoisting gear of the present utility model and the coupling assembling of smoke exhaust ventilator.More than two kinds of matching components, tractive because of the smoke exhaust ventilator lifting is produced get loose or destroy sealing.

Claims (21)

1, a kind of smoke exhaust ventilator lowering or hoisting gear is by guide rail (14), upper frame (11), underframe (2), slide assemblies or rolling assembly, smoke exhaust ventilator installation accessories; Counter weight device and operation, locking device are formed, two guide rails that are parallel to each other (14), and its cross section is a flute profile; Guide rail (14) is connected with underbeam (29) with put the beams in place (18), on put the beams in place (18), installing hole (19) is arranged, installing hole (8) is arranged in the outside, the below of guide rail (14), in the both sides of upper frame (9), every side is installed two groups of slide assemblies or rolling assembly symmetrically, this slide assemblies or rolling assembly put in the conduit of guide rail (14), it is characterized in that: underframe (2) is by height adjustment hole (3) and adjustable connection of upper frame (9) on its side; One cover counter weight device is arranged: an end of stay cord (16) connects weight (15), and stay cord (16) is by behind the leading block (17), and the other end is connected the lateral mid-point of upper frame crossbeam (13), and leading block is fixedly mounted on ceiling or the wall; On upper frame (9) and underframe (2), operation, locking device are housed; The smoke exhaust ventilator installation accessories is contained on the upper frame (9) by connecting hole (4).

2, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: the height adjustment hole (3) that symmetry is arranged on the limit, the left and right sides of this underframe (2), height adjustment hole (3) can be the strip hole, also can be several circular holes of arranging on described strip hole site.

3, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: this underframe (2) and upper frame (9) can be one.

4, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: this slide assemblies is made up of slide block (10) and slide block axle (12), slide block (10) is contained in an end of slide block axle (12), and put in the conduit of guide rail (14), the axial end of this end is smooth sphere shape, and the other end of slide block axle (12) is fixedly connected on the upper frame (9).

5, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: this rolling assembly is made up of left and right sides limited roller (44) and bearing support (45) thereof and front and back limited roller (43) and axle 46; Left and right sides limited roller (44) is connected on the upper frame (9) by its bearing support (45), and front and back limited roller (43) is contained in an end of axle (46), and the other end of axle (46) is fixedly mounted on the upper frame (9), and described roller puts in the conduit of guide rail (14).

6, smoke exhaust ventilator lowering or hoisting gear according to claim 1 or 5, it is characterized in that: left and right sides limited roller (44) and front and back limited roller (43) can be small rolling ball bearings, also can be that what can rotate on it is wheel rim by plastics or oil resistant rubber, copper or aluminium be the roller that wheel hub is made.

7, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: the weight in this counter weight device (15) is made up of a basic weight and several interchangeable counterweights, and their structure is identical with weight and counterweight that pound claims; Weight (15) also can be a basic weight.

8, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: the friction block in this operation, the locking device (27) is a cuboid substantially, the vertical consistency of its long limit and guide rail (14), and be arranged in the conduit of guide rail (14), there is wearing piece (43) in its outside, and there is movable axis (26) inboard.

9, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: the lever in this operation, the locking device (24) is contained on the upper frame (9) by lever shaft (25), one end of lever (24) is connected with friction block (27) by movable axis (26), and the other end is connected with spring (22) and lever stay cord (23).

10, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: the rocking bar in this operation, the locking device (34) is a herringbone, two free ends that are positioned at its top are respectively at rocking bar stay cord (33) connection of a side separately, its stiff end and fixing operation bar (36) are connected as a single entity, and are contained on the underframe (2) by rocker shaft (35).

11, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: the fixing operation bar (36) in this operation, the locking device is an inverted T-shape, the stiff end of its upper end and rocking bar (34) is connected as a single entity, left and right sides both direction is stretched in its lower end, and activity operations bar (37) can be installed, be scalable the connection between activity operations bar (37) and the fixing operation bar (36), trip bolt (40) is arranged on fixing operation bar 36.

12, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: in this operation, the locking device, be positioned at adjustment nut (20) on the upper frame crossbeam (13) by being connected with the upper end of its screw rod that matches with spring (22).

13, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: in this operation, the locking device, two rocking bar limited blocks (42) are installed on the underframe (2) of rocker shaft (35) both sides by adjusting screw (41) symmetry.

14, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: in this operation, the locking device, the two-way cable tube (32) of leading is housed in the back of underframe crossbeam (32), stay cord (28) is from this two-way middle passing through of two cylinders of leading the cable tube.

15, smoke exhaust ventilator lowering or hoisting gear according to claim 1 is characterized in that: this smoke exhaust ventilator installation accessories is by adjustable crossbeam (6), (30) of two symmetries and be connected crossbeam (7) and form; Length-adjustment holes (5), (47) and (49) are arranged on adjustable crossbeam (6) and the adjustable crossbeam (30), connect on the crossbeam (7) length-adjustment holes (48) is arranged, described length-adjustment holes can be the major axis strip hole consistent with its place part length direction, also can be several the equidistant circular holes on described strip hole site.

16, smoke exhaust ventilator lowering or hoisting gear according to claim 1, it is characterized in that: this smoke exhaust ventilator installation accessories is the crossbeam of a regular length, the length of its length and institute's dress smoke exhaust ventilator is suitable, and smoke exhaust ventilator installing hole and the connecting hole that is used for being connected with connecting hole 4 are arranged on it.

17, the corrugated hose that a kind of and described smoke exhaust ventilator lowering or hoisting gear of claim 1 is supporting and the coupling assembling of flue, by short tube (51), corrugated hose (52), clamp (53), connector (54), nut (55), screw rod (56), supported flange dish (58) and sealing ring (60) are formed, it is characterized in that: short tube (51) is the straight-run of pipe that has ring flange (59), one side of ring flange (59) has sealing ring (60), the opposite side of ring flange (59) has the supported flange dish (58) of flanged bolt hole (61), on supported flange dish (58), connecting the connector (54) of two strips symmetrically, connecting hole (62) is being arranged on connector (54); There is straight-run of pipe the end of corrugated hose (52), and has flange (57); Corrugated hose (52) is socketed in the outside of short tube (51), tightens with clamp (53) in the outside of corrugated hose (52); The outside, middle part at clamp (53) is connecting symmetrically to radially-protruding screw rod (56); Screw rod (56) passes the connecting hole (62) on the connector (54), connector (54) and screw rod (56) is linked together with nut (55) on the two sides of connector (54).

18, the supporting corrugated hose of the described smoke exhaust ventilator lowering or hoisting gear of a kind of and claim 1 and the coupling assembling of flue, form by short tube (65), corrugated hose (66), clamp (67), connector (68), nut (69), screw rod (70), supported flange dish (72) and sealing ring (74), it is characterized in that: short tube (65) is one section 90 degree bend pipe that an end has ring flange (73), one side of ring flange (73) has sealing ring (74), and the opposite side of ring flange (73) has the supported flange dish (72) of flanged bolt hole (75); Connector (68) is a herringbone part, in its top one side connecting hole (76) is arranged, the bottom of its every side have one with supported flange dish (72) on bolt hole (75) position correspondence, the connecting hole that diameter is identical; There is straight-run of pipe the end of corrugated hose (66), and has flange (71), and corrugated hose (66) is socketed in the outside of short tube (65), tightens with clamp (67) in the outside of corrugated hose (66); In the middle part outside of clamp (67), connecting symmetrically to radially-protruding screw rod (70) near supported flange dish (72) one sides; Screw rod (70) passes the connecting hole (76) on the connector (68), connector (68) and screw rod (70) is linked together with nut (69) on the two sides of connector (68).

19, according to the coupling assembling of claim 17 or 18 described corrugated hoses and flue, it is characterized in that: the end that short tube is connected with corrugated hose, the spiral that matches with the corrugated hose inwall is arranged on the outer wall of short tube, and short tube spins mutually with corrugated hose, and tighten with cord the outside.

20, the corrugated hose that a kind of and described smoke exhaust ventilator lowering or hoisting gear of claim 1 is supporting and the coupling assembling of smoke exhaust ventilator, by short tube (81), corrugated hose (82), clamp (83), connector (84), nut (85) and screw rod (86) are formed, it is characterized in that: there is straight-run of pipe the end of corrugated hose (82), the termination has flange (87), one end of short tube (81) is socketed on smoke exhaust ventilator (88) outlet flue or is socketed on the outlet flue of the anti-down cigarette device of smoke exhaust ventilator (88) outlet, the other end of short tube (81) is socketed in the inside of corrugated hose (82), tightens with clamp (83) in the outside of corrugated hose (82); The outside, middle part at clamp (83) is connecting symmetrically to radially-protruding screw rod (86); In the both sides of smoke exhaust ventilator (88) outlet flue, connecting two connectors (84) symmetrically, connecting hole (92) and connecting hole (92 ') are arranged on the connector (84); By nut (85), screw rod (86), connecting hole (92) or connecting hole (92 ') connector (84) and clamp (83) are linked together.

21, the coupling assembling of corrugated hose according to claim 20 and smoke exhaust ventilator, it is characterized in that: the end that short tube is connected with corrugated hose, the spiral that matches with the corrugated hose inwall is arranged on the outer wall of short tube, and short tube spins mutually with corrugated hose, and tighten with cord the outside.

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