CN2160667Y

CN2160667Y - Regulator for uniformly blasting and aspiration

Info

Publication number: CN2160667Y
Application number: CN 93231162
Authority: CN
Inventors: 刘明虎
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-15
Filing date: 1993-06-15
Publication date: 1994-04-06
Anticipated expiration: 2003-06-15

Abstract

The utility model relates to a regulator for uniformly blasting and aspiration, which can cause a plurality of branch air outlet to get uniform blasting and aspiration in one blasting or aspiration source, and the utility model is composed of a shell and a regulating awl arranged in the shell. The shell can be divided into an upper shell and a lower shell, the lower part of the upper shell and the upper part of the lower shell are symmetrically conical-shaped, and the regulating awl is sheathed on the central shaft which is penetrated on the shell. The utility model can be arranged between a main air channel and a branch air outlet, with regulating the position of the regulating awl, each branch air outlet can get uniform blasting and aspiration.

Description

Regulator for uniformly blasting and aspiration

A kind of air draught adjusting device of evenly sending of the utility model relates to gas flow control system, and specifically a kind of device that makes a plurality of air ports obtain evenly to send air draught under an air-supply or air draught source is made up of housing and the cone governor that is loaded in the housing.

Existing a kind of air draft system that send, in the production processes such as for example comb and parallel cotton fibers prior to spinning in the textile mills, carding or comb fiber crops, adopt one give, the air draught source is simultaneously directly to some air ports air-supplies or air draught, because each air port is in the position different with the main air source, cause a different air port blast difference, actual to send air draught be uneven, destroyed the uniformity of working condition.

The purpose of this utility model overcomes above-mentioned the deficiencies in the prior art exactly, a kind of structure of evenly sending the air draught adjusting device that is loaded on the air port is disclosed, make give at one, the air draught source is simultaneously directly when a plurality of air ports air-supplies or air draught, each air port can obtain identical blast, reality is evenly sent air draught, guarantees the uniformity of working condition.

A kind of air draught adjusting device of evenly sending of the utility model, form by housing and the cone governor that is loaded in the housing, the technical measures that realize the utility model purpose are: housing is divided into upper shell and lower house, upper shell bottom and lower house top are symmetrical taper, and connect as one by the housing connecting bolt, the cone governor that is positioned at housing is sleeved on the central shaft that runs through housing, and the central shaft upper end is fitted with one and goes up fixed axis, and the central shaft lower end is fitted with a following fixed axis; Correspondence is provided with two regulating shaft regulating tanks on the upper shell upper portion side wall, two regulating shaft the inners are passed the regulating shaft regulating tank respectively and are installed on one and are sleeved on the cone governor upper end and limit on the adjustment disk that cone governor moves down, two regulating shaft outer ends are fixed by adjusting nut and upper shell outer wall, and the cone governor enhancing ring fixedly is housed on the adjustment disk; Upper shell is provided with on the regulating shaft regulating tank place outer wall two side seal boxes fixedly is housed, and respectively is provided with the side plate on the side seal box; Also be provided with a rope fastening hole on the upper shell upper end wall, seal box after fixedly being equipped with on the rope fastening hole place upper shell outer wall, back seal box is provided with back card/back board.

Use the utility model evenly to send the air draught adjusting device, during ventilation state be with the upper shell upper port fixedly connected with main air duct, the lower house lower port fixedlys connected with air port, during the air draught state be with the upper shell upper port with prop up that the air port is fixedly connected, the lower house lower port is connected with main air duct.Adjustment process is as follows: after evenly sending the air draught adjusting device reliably to be connected between a main air duct and the air port the utility model, mention the both sides plate, insert the downside plate after adjusting nut unscrewed again, the side seal box can be realized sealing, start blower fan to main air duct air-supply or air draught, could be after the utility model evenly send the air draught adjusting device to an air port air-supply or an air draught, blast promptly can produce downward pressure to the cone governor in the housing, the operator can utilize tether to promote cone governor by the cone governor enhancing ring that is installed on the adjustment disk, thereby change airflow sectional area between cone governor and the upper shell lower taper shell, the blast at a feasible place, air port that is connected with the lower house lower port changes with the change in location of cone governor, can record the wind speed in an air port with anemobiagraph, when an air port reaches design wind speed, fixing tether, also just determined the position of cone governor in housing, mention the both sides plate, the fastening adjustment nut, insert the downside plate behind the secure fixation regulating shaft again, also just fixed the position of adjustment disk, cone governor can not move down under blast again, and an air port keeps stable design wind speed.Regulate the position that the utility model on each air port different with the main air source position evenly send the cone governor of air draught adjusting device respectively, can obtain identical blast at each place, air port, realize the purpose of this utility model, accomplished and evenly send air draught, guaranteed the uniformity of working condition.

Evenly send air draught adjusting device and embodiment to be described in further detail below in conjunction with accompanying drawing to the utility model.

Fig. 1 evenly send the structural representation of an embodiment of air draught adjusting device for the utility model;

Fig. 2 is the schematic top plan view of Fig. 1;

Fig. 3 is the local schematic side view of side seal box among Fig. 1;

Fig. 4 is the A-A cross-sectional schematic of Fig. 3;

Fig. 5 is the partial schematic diagram of back seal box among Fig. 1;

Fig. 6 is the B-B cross-sectional schematic of Fig. 5.

Evenly send an embodiment of air draught adjusting device as the utility model, shown in Fig. 1-6, the utility model evenly send the air draught adjusting device to be made up of housing and the cone governor 13 that is loaded in the housing, housing is divided into upper shell 2 and lower house 17, upper shell 2 bottoms and lower house 17 tops are symmetrical taper, and connect as one by housing connecting bolt 16, the cone governor 13 that is positioned at housing is sleeved on the central shaft 3 that runs through housing, central shaft 3 upper ends are fitted with one and go up fixed axis 4, central shaft 3 lower ends are fitted with a following fixed axis 19, last fixed axis 4 and following fixed axis 19 can be fixed with upper shell 2 outer walls and lower house 17 outer walls respectively with nut, central shaft 3 is fixing by last fixed axis 4 and following fixed axis 19, and cone governor 13 can be along on the central shaft 3, move down; Correspondence is provided with two regulating shaft regulating tanks 8 on upper shell 2 upper portion side wall, two regulating shaft 12 the inners are passed regulating shaft regulating tank 8 respectively and are installed on one and are sleeved on cone governor 13 upper ends and limit on the adjustment disk 10 that cone governor 13 moves down, two regulating shaft 12 outer ends are fixed by adjusting nut 11 and upper shell 2 outer walls, cone governor enhancing ring 9 fixedly is housed on the adjustment disk 10, unscrew adjusting nut 11, can promote adjustment disk 10 with the tether that lies in cone governor enhancing ring 9, adjustment disk 10 just drives on the cone governor 13 and moves, two regulating shafts 12 are also thereupon along moving on the regulating shaft regulating tank 8, the airflow sectional area is with moving on the cone governor 13 and diminish between cone governor 13 and the upper shell 2 lower taper shells, otherwise, move down and increase with cone governor 13, fastening adjustment nut 11 gets final product the position of secured adjusted axle 12 in upper shell 2, thereby the position by adjustment disk 10 qualification cone governors 13 can not move down cone governor 13 under blast; Upper shell 2 is provided with on regulating shaft regulating tank 8 place's outer walls two side seal boxes 7 fixedly is housed, on side seal box 7, respectively be provided with side plate 6, the effect of side seal box 7 is to prevent that air-flow from flowing to extraneous from regulating shaft regulating tank 8, mention side plate 6 and be convenient to operator's turn adjusting nut 11, insert downside plate 6 and be about to 7 sealings of side seal box; Also be provided with a rope fastening hole 22 on upper shell 2 upper end wall, seal box 5 after fixedly being equipped with one on rope fastening hole 22 place's upper shells 2 outer walls, back seal box 5 is provided with back card/back board 21, the tether that lies on the cone governor enhancing ring 9 can be outside rope fastening hole 22 be guided to upper shell 2 walls, and can be fixed on the tether ring 23 that is installed on upper shell 2 outer walls, the effect of back seal box 5 is to prevent that air-flow from flowing to extraneous from rope fastening hole 22, mention back card/back board 21 and be convenient to the operator and adjust tether and tether is fixed on the tether ring 23, insert down back card/back board 21 promptly 5 sealings of a back seal box.The floor space that generally can design cone governor 13 equates with upper shell 2 upper port areas and lower house 17 lower port areas.Evenly send the air draught adjusting device for ease of between a main air duct and an air port, the utility model being installed, be preferably on upper shell 2 upper port that the utility model evenly send the air draught adjusting device and be fixed with upper flange 1, on lower house 17 lower port, lower flange 20 is housed fixedly.

Consider when using the utility model evenly to send the air draught adjusting device, air-flow increases suddenly through the cross-sectional area in air channel, cone governor 13 back, can produce bigger eddy resistance loss, as a preferred embodiment, as shown in Figure 1, preferably below cone governor 13, on central shaft 3, go back fixed cover the whirlpool double cone 14 that disappears is housed, its mounting means can be to extract following fixed axis 19 from central shaft 3 lower ends, one of the spinning whirlpool double cone setscrew nut 15 that disappears on central shaft 3, the whirlpool double cone 14 that will disappear then is sleeved on the central shaft 3 and quilt is disappeared, and whirlpool double cone setscrew nut 15 is spacing, one of the spinning whirlpool double cone hold-down nut 18 that disappears on central shaft 3 again, it is promptly fixing the whirlpool double cone 14 that disappears to screw the whirlpool double cone hold-down nut 18 that disappears, just in time overlap in the time of generally should making cone governor 13 move down into extreme lower position with the whirlpool double cone 14 top conical surfaces that disappear, to descend fixed axis 19 to insert central shaft 3 lower ends at last again, will descend fixed axis 19 and lower house 17 outer walls to be fixed with nut.The floor space that specific design is calculated the whirlpool double cone 4 that disappears also equates with upper shell 2 upper port areas and lower house 17 lower port areas.The configuration design of whirlpool double cone 14 of disappearing is calculated and can be followed following principle: if R is the internal diameter radius of upper shell 2 upper port, X is the distance of the double cone 14 surperficial any point W of going up in whirlpool to central shaft 3 axle center that disappear, and y be on the symmetry taper inwall of upper shell 2 bottoms or lower house 17 tops with the distance of above-mentioned said W point point at grade to central shaft 3 axle center, y is then arranged ²=x ²+ R ², can guarantee like this in regulatory region (when cone governor 13 coincides with the whirlpool double cone 14 that disappears) that the air channel cross-sectional area equates, thereby reduces the air current flow drag losses everywhere.

As another kind of preferred embodiment, as shown in Figure 1, the utility model send evenly that said cone governor 13 is preferably the bullet that radius equals upper shell 2 upper port radiuses in the air draught adjusting device, be equipped with when disappearing whirlpool double cone 14, the whirlpool double cone 14 that disappears equals the spherosome of upper shell 2 upper port radiuses for radius, and upper shell 2 bottoms and lower house 17 tops are sphere curved surface.The intersection plane of the intersection plane of upper shell 2 upper cylinder and bottom sphere curved surface and lower house 17 lower cylindrical bodies and top sphere curved surface is tangent at place, central shaft 3 axle center with the sphere of the whirlpool double cone 14 that disappears respectively, so both guaranteed in regulatory region (when cone governor 13 coincides with the whirlpool double cone 14 that disappears), the air channel cross-sectional area equates everywhere, make the air-flow operation mild again, reduce fluid resistance loss more, device manufacturing process has also been simplified.

In sum, the utility model evenly send air draught adjusting device structure simpler, easy to use, also has stronger versatility, not only being fit to resemble blower fan of textile mills' fore-spinning regulates each air port during air feed simultaneously to some air ports and realizes evenly sending air draught to use, be applicable to that also other productions, sphere of life similarly send air draft system to use, and reach the effect that an air port obtains evenly to send air draught.

Claims

1, a kind of air draught adjusting device of evenly sending, form by housing and the cone governor that is loaded in the housing, it is characterized in that housing is divided into upper shell (2) and lower house (17), upper shell (2) bottom and lower house (17) top are symmetrical taper, and connect as one by housing connecting bolt (16), the cone governor (13) that is positioned at housing is sleeved on the central shaft (3) that runs through housing, central shaft (3) upper end is fitted with one and goes up fixed axis (4), and central shaft (3) lower end is fitted with a following fixed axis (19); Correspondence is provided with two regulating shaft regulating tanks (8) on upper shell (2) upper portion side wall, two regulating shafts (12) the inner is passed regulating shaft regulating tank (8) respectively and is installed on one and is sleeved on cone governor (13) upper end and limits on the adjustment disk (10) that cone governor (13) moves down, two regulating shafts (12) outer end is fixed by adjusting nut (11) and upper shell (2) outer wall, and adjustment disk (10) is gone up cone governor enhancing ring (9) fixedly is housed; Upper shell (2) is provided with regulating shaft regulating tank (8) and locates fixedly to be equipped with on the outer wall two side seal boxes (7), respectively is provided with side plate (6) on side seal box (7); Also be provided with a rope fastening hole (22) on upper shell (2) upper end wall, seal box (5) after rope fastening hole (22) is located fixedly to be equipped with on upper shell (2) outer wall, back seal box (5) is provided with back card/back board (21).

2, according to the described air draught adjusting device of evenly sending of claim 1, it is characterized in that cone governor (13) below, on central shaft (3), go back fixed cover the whirlpool double cone (14) that disappears is housed.

3, according to claim 1 or the 2 described air draught adjusting devices of evenly sending, it is characterized in that said cone governor (13) equals the bullet of upper shell (2) upper port radius for radius, the said whirlpool double cone (14) that disappears equals the spherosome of upper shell (2) upper port radius for radius, and upper shell (2) bottom and lower house (17) top are sphere curved surface.