Suspension device of laminar flow hood

Abstract

The utility model relates to the technical field of laminar flow hoods, in particular to a suspension device of a laminar flow hood, which comprises a base, a support arm and a pull frame, the base is fixed with a wall, the support arm is connected with the base and can be adjusted in height, the support arm comprises a support sleeve connected with the base, a telescopic rod is inserted in the support sleeve, the pull frame comprises a support frame, and the support frame is connected with the support arm. The ends of the telescopic rods are connected with the supporting frame through pull columns, the two ends of the supporting frame are connected with pull rods through adjusting rods, the lower ends of the pull rods are connected with rotatable pull hooks, and the pull hooks are matched with pull holes of a laminar flow cover shell. The height and the horizontal position of the laminar flow cover can be locally adjusted, so that the use position of the laminar flow cover is more accurate, the mounting precision is improved, the precision of fixing the position of the base is reduced, and the mounting is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to laminar flow hood technical field, concretely is a kind of suspension device of laminar flow hood. BACKGROUND

[0002] Laminar flow hood can provide clean working environment, suspension type laminar flow hood can provide vertical laminar flow (unidirectional flow): air flows vertically from top to bottom, forms stable unidirectional airflow, rapidly replaces pollutant, intercepts microparticle (≥0.3 μm filtration efficiency ≥99.99%) by high-efficiency filter (HEPA / ULPA), ensures that working area air cleanliness reaches ISO 1-5 level (such as aseptic pharmaceutical dispensing, cell culture).

[0003] At present, the suspension of laminar flow hood is mostly fixed using multiple pull rods, the upper end of each pull rod is fixed with roof, and the bottom of pull rod is fixed with the outside of laminar flow hood by cooperating with nut. After installation, the position of laminar flow hood cannot be adjusted, so the installation precision of pull rod is required to be high. UTILITY MODEL CONTENT

[0004] The utility model is just in view of the above insufficient of prior art, provide a kind of suspension device of laminar flow hood, the height, horizontal position of laminar flow hood can be partially adjusted, so that the use position of laminar flow hood is more accurate, improve installation precision, reduce the precision of base position fixation simultaneously, installation is more convenient.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of suspension device of laminar flow hood, including base, support arm and pull frame, the base is fixed with wall, the support arm is connected with base and can be adjusted in height, support arm includes support sleeve connected with base, telescopic rod is inserted in support sleeve, the pull frame includes support frame, the end of telescopic rod is connected with support frame by pull column, the both ends of support frame are connected with pull rod by adjusting rod, the lower end of pull rod is connected with rotatable draw hook, and draw hook cooperates with the pull hole of laminar flow hood shell.

[0007] Preferably, the base includes a bottom plate, the bottom plate is provided with a fixing hole, the sidewall of the bottom plate is provided with a guide box, the sidewall of the guide box is provided with a guide groove, one end of the support sleeve is provided with a sliding block matched with the guide box, the both ends of the sliding block are matched with the guide groove, the upper end of the guide box is connected with an upper positioning bolt pressing the upper end of the sliding block, and the lower end of the guide box is connected with a lower positioning bolt abutting against the lower end of the sliding block.

[0008] Preferably, the sidewall of the support sleeve is provided with a limiting hole and a first locking bolt fixing the telescopic rod, and the sidewall of the telescopic rod is provided with a limiting block matched with the limiting hole.

[0009] Preferably, sleeves matched with the adjusting rods are arranged on the side walls of the support frame, two adjusting rods are connected to each end of the support frame, the two adjusting rods are connected through a synchronous rod, a limiting sleeve is arranged at the bottom of the support frame, the synchronous rod is connected with a positioning rod matched with the limiting sleeve, and a second locking bolt for fixing the positioning rod is arranged on the limiting sleeve.

[0010] Preferably, the lower end of the pull rod is provided with a sleeve ring, and the pull hook is rotationally connected with the sleeve ring.

[0011] Preferably, the number of the lower positioning bolts is at least two.

[0012] Preferably, the distance between the support frame and the top of the laminar flow hood is not less than 10 cm.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model can locally adjust the height and horizontal position of the laminar flow hood, so that the use position of the laminar flow hood is more accurate, the installation precision is improved, the precision of the fixed position of the base is reduced, and the installation is more convenient.

[0015] 2. The utility model can adjust the distance between the pull rods according to the size of the laminar flow hood, and the universality of use is increased.

[0016] 3. The pull hook of the utility model can rotate, the convenience of disassembling and assembling the laminar flow hood is increased, the disassembling and assembling are fast and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the base;

[0019] Figure 3 It is a structural schematic view of the support arm Figure 1 ;

[0020] Figure 4 It is a structural schematic view of the support arm Figure 2 ;

[0021] Figure 5 It is a structural schematic view of the pull frame;

[0022] Figure 6 It is a structural schematic view of the utility model in use;

[0023] In the diagram: 1-Base; 101-Base plate; 102-Upper positioning bolt; 103-Guide box; 104-Guide groove; 105-Lower positioning bolt; 106-Fixing hole; 2-Support arm; 201-Slider; 202-Support sleeve; 203-First locking bolt; 204-Telescopic rod; 205-Pull column; 206-Limiting hole; 207-Limiting block; 3-Pull frame; 301-Support frame; 302-Sleeve; 303-Adjusting rod; 304-Synchronizing rod; 305-Pull rod; 306-Collar ring; 307-Pull hook; 308-Positioning rod; 309-Second locking bolt; 310-Limiting sleeve; 4-Laminar flow hood. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figure 1 As shown, a suspension device for a laminar flow hood 4 includes a base 1, a support arm 2, and a tie rod 3. The base 1 is fixed to the wall, the support arm 2 is horizontally positioned, and the support arm 2 is connected to the base 1 and can be height-adjusted. Figure 3 As shown, the support arm 2 includes a support sleeve 202 connected to the base 1, and a telescopic rod 204 is inserted into the support sleeve 202. The pull frame 3 includes a support frame 301. The end of the telescopic rod 204 is connected to the support frame 301 through a pull post 205. The two ends of the support frame 301 are connected to pull rods 305 through adjusting rods 303. The lower end of the pull rod 305 is connected to a rotatable hook 307, which engages with the pull hole (existing) of the laminar flow hood 4.

[0026] The height of the laminar flow hood 4 can be adjusted by the sliding engagement between the support arm 2 and the base 1. The distance between the laminar flow hood 4 and the wall can be adjusted by adjusting the length of the support arm 2. Laminar flow hood 4 of different sizes can be pulled by adjusting the distance between the two pull rods 305. The left and right positions of the laminar flow hood 4 can be locally adjusted by adjusting the position of the pull rods 305.

[0027] like Figure 2As shown, the base 1 comprises a bottom plate 101, the bottom plate 101 is provided with a fixing hole 106, the sidewall of the bottom plate 101 is provided with a guide box 103, the sidewall of the guide box 103 is provided with a guide groove 104, one end of the support sleeve 202 is provided with a sliding block 201 matched with the guide box 103, the two ends of the sliding block 201 are matched with the guide groove 104, the upper end of the guide box 103 is connected with an upper positioning bolt 102 pressing the upper end of the sliding block 201, the lower end of the guide box 103 is connected with a lower positioning bolt 105 abutting against the lower end of the sliding block 201, and the number of the lower positioning bolt 105 is at least two.

[0028] The height of the sliding block 201 can be fixed and adjusted by the upper positioning bolt 102 and the lower positioning bolt 105. In order to save labor, the sliding block 201 can be adjusted to the highest position first, and then adjusted downward.

[0029] As shown in the figure, Figure 4 The sidewall of the support sleeve 202 is provided with a limiting hole 206 and a first locking bolt 203 fixing the telescopic rod 204, the sidewall of the telescopic rod 204 is provided with a limiting block 207 matched with the limiting hole 206, which ensures the safety and reliability of use.

[0030] As shown in the figure, Figure 5 The sidewall of the support frame 301 is provided with a sleeve 302 matched with the adjusting rod 303, the support frame 301 is connected with two adjusting rods 303 at each end, the two adjusting rods 303 are connected through a synchronous rod 304, the bottom of the support frame 301 is provided with a limiting sleeve 310, the synchronous rod 304 is connected with a positioning rod 308 matched with the limiting sleeve 310, the limiting sleeve 310 is provided with a second locking bolt 309 fixing the positioning rod 308, which can fix the position of the pull rod 305.

[0031] The lower end of the pull rod 305 is provided with a sleeve ring 306, the pull hook 307 is rotatably connected with the sleeve ring 306, and the conventional mode can be: a snap ring is arranged at the upper end of the pull hook 307, a clamping groove matched with the snap ring is arranged on the inner wall of the sleeve ring 306, or other limiting structures can be used, which ensures that the pull hook 307 and the sleeve ring 306 can only keep rotating state.

[0032] In order to ensure the heat dissipation and air inlet of the laminar flow hood 4, the distance between the support frame 301 and the top of the laminar flow hood 4 is not less than 10 cm, so the length of the pull rod 305 can be increased, or the pull rod 305 (the pull rod 305 is integrated with the adjusting rod 303 and needs to be replaced together) can be replaced according to different laminar flow hoods 4.

[0033] As shown in the figure, Figure 6As shown, during installation, first fix the base 1 to the wall, raise the support arm 2 to the highest position, according to the size of the laminar flow hood 4, adjust the distance between the two side pull rods 305 and fix by the second locking bolt 309, rotate the pull hook 307 to make it outward, lift the laminar flow hood 4 (manually or by lifting equipment) to make it between the pull rods 305, make the pull hole on the side wall of the laminar flow hood 4 higher than the pull hook 307, rotate the pull hook 307 to make it face the laminar flow hood 4, move the laminar flow hood 4 downward to make the pull hook 307 cooperate with the pull hole, lift the laminar flow hood 4, after suspension, according to the use requirement, adjust the height of the laminar flow hood 4 by the lower positioning bolt 105, after the height adjustment is completed, press the upper positioning bolt 102 on the sliding block 201, then adjust the distance between the laminar flow hood 4 and the wall, after the adjustment is completed, fix the telescopic rod 204 by the first locking bolt 203; if it is needed to adjust the left and right positions of the laminar flow hood 4, the second locking bolt 309 can be opened for local adjustment, after the adjustment is completed, tighten the second locking bolt 309. During disassembly, replacement and maintenance, only need to lift the laminar flow hood 4 upward, rotate the pull hook 307 outward, then the laminar flow hood 4 can be taken off from the pull rod 305.

[0034] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A suspension device for a laminar flow hood, characterized in that: The device includes a base, a support arm, and a pull frame. The base is fixed to the wall. The support arm is connected to the base and is height-adjustable. The support arm includes a support sleeve connected to the base, and a telescopic rod is inserted into the support sleeve. The pull frame includes a support frame. The end of the telescopic rod is connected to the support frame via a pull post. Both ends of the support frame are connected to pull rods via adjusting rods. The lower end of the pull rod is connected to a rotatable hook, which engages with a pull hole in the laminar flow hood shell.

2. The suspension device for a laminar flow hood as described in claim 1, characterized in that: The base includes a base plate with fixing holes, a guide box on the side wall of the base plate, a guide groove on the side wall of the guide box, a slider that mates with the guide box at one end of the support sleeve, the slider mates with the guide groove at both ends, an upper positioning bolt that presses down on the upper end of the guide box at the upper end of the guide box, and a lower positioning bolt that presses down on the lower end of the slider at the lower end of the guide box.

3. The suspension device for a laminar flow hood as described in claim 1, characterized in that: The support sleeve has a limiting hole and a first locking bolt for fixing the telescopic rod on its side wall, and the telescopic rod has a limiting block that mates with the limiting hole on its side wall.

4. The suspension device for a laminar flow hood as described in claim 1, characterized in that: The side wall of the support frame is provided with a sleeve that cooperates with the adjusting rod. Two adjusting rods are connected to each end of the support frame. The two adjusting rods are connected by a synchronizing rod. A limiting sleeve is provided at the bottom of the support frame. The synchronizing rod is connected to a positioning rod that cooperates with the limiting sleeve. A second locking bolt for fixing the positioning rod is provided on the limiting sleeve.

5. The suspension device for a laminar flow hood as described in claim 1, characterized in that: The lower end of the pull rod is provided with a collar, and the pull hook is rotatably connected to the collar.

6. The suspension device for a laminar flow hood as described in claim 2, characterized in that: The number of lower positioning bolts is at least two.

7. The suspension device for a laminar flow hood as described in claim 1, characterized in that: The distance between the support frame and the top of the laminar flow hood is not less than 10cm.

Images