CN212442478U

CN212442478U - Fume chamber floating gate brake equipment

Info

Publication number: CN212442478U
Application number: CN202020982169.2U
Authority: CN
Inventors: 李军; 李光耀
Original assignee: Jinan Jinhuapeng Technology Co ltd
Current assignee: Jinan Jinhuapeng Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-02
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a fume chamber floating gate brake equipment belongs to fume chamber technical field. A brake device for a movable door of a ventilation cabinet comprises the ventilation cabinet, wherein an air suction groove is formed in the side wall of the ventilation cabinet, the movable door is connected in the air suction groove in a sliding manner, a supporting plate is fixedly connected to the lower end of the movable door, a through hole is formed in the side wall of the supporting plate, a rotating shaft is connected in the through hole in a rotating manner, gears are fixedly connected to two ends of the rotating shaft, strip-shaped sliding grooves matched with the supporting plate are formed in two sides of the air suction groove, racks meshed with the gears are arranged in the two strip-shaped sliding grooves, an elastic self-locking mechanism is arranged in the middle of the through hole, and a buffer mechanism matched with; the utility model discloses, the floating gate on the fume chamber forms the braking protection under the effect of worm, has promoted the security of floating gate, and the buffer gear of setting effectively reduces the condition of floating gate tong.

Description

Fume chamber floating gate brake equipment

Technical Field

The utility model relates to a fume chamber technical field especially relates to a fume chamber floating gate brake equipment.

Background

The cabinet type exhaust hood is commonly called as a ventilation hood, is similar to a closed hood, a small part paint spraying cabinet and a chemical laboratory ventilation hood are typical structures of the cabinet type exhaust hood, one side surface of a large-scale chamber type ventilation hood is completely open, an operator works in the cabinet, the large-scale chamber type ventilation hood is mainly used for large part paint spraying, powder bagging and the like, a working opening of the ventilation hood has great influence on air flow distribution in the cabinet, and the air flow distribution directly influences the working effect of the cabinet type exhaust hood.

The floating gate that can reciprocate is all installed to the inslot that induced drafts of present fume chamber, but current floating gate is after using a period, and the clearance grow of floating gate and lateral wall, the condition that automatic downward slided appears easily in the floating gate under the action of gravity has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a fume chamber sliding door brake device.

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

the utility model provides a fume chamber floating gate brake equipment, includes the fume chamber, the lateral wall of fume chamber is equipped with the groove of induced drafting, it has the floating gate to induced draft inslot sliding connection, the lower extreme fixedly connected with backup pad of floating gate, the lateral wall of backup pad is equipped with the through-hole, the through-hole internal rotation is connected with the pivot, the equal fixedly connected with gear in both ends of pivot, the both sides in the groove of induced drafting all be equipped with backup pad complex bar spout, all be equipped with in two bar spouts with gear engagement's rack, the middle part of through-hole is equipped with elasticity self-locking mechanism, the interior bottom of bar spout be equipped with backup pad complex buffer.

Preferably, the elasticity self-locking mechanism includes the worm of fixed connection at the pivot middle part, the lateral wall of through-hole is equipped with the slide, be equipped with the slider in the slide, the lateral wall of slider be equipped with worm outer wall complex draw-in groove, through roof pressure spring elastic connection between the interior top of slider and slide, the lateral wall of slider is equipped with the ejector pad that extends to the backup pad outer wall, the outer wall of backup pad be equipped with ejector pad complex guide way.

Preferably, buffer gear is including setting up the buffering spout of bottom in the bar spout, be equipped with in the buffering spout rather than complex buffering slider, through buffer spring elastic connection between the interior bottom of buffering slider and buffering spout, the upper end of buffering slider extends to in the bar spout.

Preferably, two the outer wall of gear all is equipped with the protection casing, protection casing sliding connection is in the bar spout.

Preferably, the side wall of the supporting plate is fixedly connected with an auxiliary plate corresponding to the pushing block.

Preferably, the outer walls of the push block and the auxiliary plate are both provided with anti-skid grains.

Compared with the prior art, the utility model provides a fume chamber floating gate brake equipment possesses following beneficial effect:

1. this fume chamber floating gate brake equipment, upwards promote the brake block through the ejector pad, the elasticity that the roof pressure spring was overcome to the brake block slides to the interior top of slide, the draw-in groove of brake block lower extreme then can keep away from the outer wall of worm this moment, the worm then removes the auto-lock, promote the floating gate through the backup pad at this moment, at removal in-process, the wheel and the rack meshing at pivot both ends remove, loose hand ejector pad after the removal is accomplished, the brake block then can reset under the effect of roof pressure spring, thereby make the draw-in groove offset formation auto-lock with the worm once more, the floating gate removes conveniently, brake performance is good, high safety factor.

2. This fume chamber floating gate brake equipment when the floating gate removes the interior bottom to the groove that induced drafts, the backup pad then can with buffering in the slider jacking buffering spout to elastic buffer under buffer spring's effect reduces the impact force that the floating gate received, promotes life, and the probability that the buffering slider can also the greatly reduced floating gate tong, and the tong dynamics of floating gate.

Drawings

Fig. 1 is a schematic structural view of a fume chamber sliding door brake device provided by the present invention;

fig. 2 is a schematic structural view of a position a in fig. 1 of a fume chamber moving door brake device provided by the present invention;

fig. 3 is a schematic structural view of a portion B in fig. 1 of a fume chamber moving door braking device provided by the present invention;

fig. 4 is the utility model provides a fume chamber floating gate brake equipment's backup pad left side is looked and is dissected the schematic diagram.

In the figure: 1. a fume hood; 2. an air suction groove; 3. a movable door; 4. a support plate; 5. a strip-shaped chute; 6. a rack; 7. a through hole; 8. a rotating shaft; 9. a gear; 10. a worm; 11. a slideway; 12. braking the sliding block; 13. pressing the spring; 14. a push block; 15. a guide groove; 16. a card slot; 17. a buffer chute; 18. a buffer slide block; 19. a buffer spring; 20. a protective cover; 21. an auxiliary plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 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.

Example (b):

referring to fig. 1-4, a fume hood moving door brake device comprises a fume hood 1, a side wall of the fume hood 1 is provided with an air suction groove 2, a moving door 3 is connected in the air suction groove 2 in a sliding manner, a support plate 4 is fixedly connected to the lower end of the moving door 3, a through hole 7 is formed in the side wall of the support plate 4, a rotating shaft 8 is rotatably connected in the through hole 7, gears 9 are fixedly connected to both ends of the rotating shaft 8, strip-shaped chutes 5 matched with the support plate 4 are formed in both sides of the air suction groove 2, racks 6 meshed with the gears 9 are arranged in both the two strip-shaped chutes 5, an elastic self-locking mechanism is arranged in the middle of the through hole 7 and comprises a worm 10 fixedly connected to the middle of the rotating shaft 8, a slide 11 is arranged on the side wall of the through hole 7, a brake slider 12 is arranged in the slide 11, a clamping groove 16 matched with the outer wall of, the side wall of the brake sliding block 12 is provided with a push block 14 extending to the outer wall of the support plate 4, the outer wall of the support plate 4 is provided with a guide groove 15 matched with the push block 14, the brake sliding block 12 is pushed upwards through the push block 14, the brake sliding block 12 overcomes the elastic force of the jacking spring 13 and slides towards the inner top of the slide way 11, at the moment, a clamping groove 16 at the lower end of the brake sliding block 12 can be far away from the outer wall of the worm 10, the worm 10 is unlocked, at the moment, the movable door 3 is pushed through the support plate 4, in the moving process, the gears 9 at the two ends of the rotating shaft 8 are meshed with the rack 6 to move, the push block 14 is loosened after the moving is completed, the brake sliding block 12 can reset under the action of the jacking spring 13, so that the clamping groove 16 abuts against the worm 10 again to form.

The interior bottom of bar spout 5 is equipped with 4 complex buffer gear of backup pad, buffer gear is including setting up the buffering spout 17 of bottom in bar spout 5, be equipped with in the buffering spout 17 rather than complex buffering slider 18, through buffer spring 19 elastic connection between the interior bottom of buffering slider 18 and buffering spout 17, the upper end of buffering slider 18 extends to in the bar spout 5, when floating gate 3 removes the interior bottom to air suction groove 2, backup pad 4 then can push up buffering slider 18 in the buffering spout 17, and elastic buffering under buffer spring 19's effect, reduce the impact force that floating gate 3 received, and service life is prolonged, buffer slider 18 can also the probability of the 3 tong of greatly reduced floating gate, and the tong dynamics of floating gate 3.

The outer wall of two gears 9 all is equipped with protection casing 20, and protection casing 20 sliding connection is in bar spout 5, and protection casing 20 plays the guard action to gear 9.

The auxiliary plate 21 corresponding to the push block 14 is fixedly connected to the side wall of the supporting plate 4, anti-skid grains are arranged on the outer walls of the push block 14 and the auxiliary plate 21, when the movable door 3 is moved, the push block 14 and the auxiliary plate 21 can be pinched by hands, and the movable door is more convenient to move.

The working principle is as follows: in the utility model, when the moving door 3 of the fume chamber 1 needs to be moved upwards or downwards, the brake slider 12 is pushed upwards by the push block 14, the brake slider 12 overcomes the elasticity of the jacking spring 13 and slides towards the inner top of the slideway 11, at the moment, the clamping groove 16 at the lower end of the brake slider 12 is far away from the outer wall of the worm 10, the worm 10 is unlocked, at the moment, the moving door 3 is pushed by the support plate 4, the gear 9 at the two ends of the rotating shaft 8 is meshed with the rack 6 to move in the moving process, the push block 14 is released after the moving is completed, the brake slider 12 is reset under the action of the jacking spring 13, so that the clamping groove 16 is propped against the worm 10 again to form self-locking, the moving door 3 is convenient to move, the braking performance is good, the safety coefficient is high, when the moving door 3 moves to the inner bottom of the air suction groove 2, the support plate 4 can prop the buffer slider 18 into the buffer chute 17, and the elastic, reduce the impact force that sliding door 3 received, promote life, buffering slider 18 can also the greatly reduced probability of sliding door 3 tong to and the tong dynamics of sliding door 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A brake device for a movable door of a fume hood comprises the fume hood (1) and is characterized in that, an air suction groove (2) is arranged on the side wall of the fume hood (1), a movable door (3) is connected in the air suction groove (2) in a sliding manner, the lower end of the movable door (3) is fixedly connected with a supporting plate (4), the side wall of the supporting plate (4) is provided with a through hole (7), a rotating shaft (8) is rotatably connected in the through hole (7), gears (9) are fixedly connected at both ends of the rotating shaft (8), the two sides of the air suction groove (2) are respectively provided with a strip-shaped sliding groove (5) matched with the supporting plate (4), the two strip-shaped sliding grooves (5) are respectively internally provided with a rack (6) meshed with the gear (9), the middle part of the through hole (7) is provided with an elastic self-locking mechanism, and the inner bottom of the strip-shaped sliding groove (5) is provided with a buffer mechanism matched with the support plate (4).

2. The fume chamber moving door brake device according to claim 1, wherein the elastic self-locking mechanism comprises a worm (10) fixedly connected to the middle of the rotating shaft (8), a slide way (11) is arranged on the side wall of the through hole (7), a brake slider (12) is arranged in the slide way (11), a clamping groove (16) matched with the outer wall of the worm (10) is formed in the side wall of the brake slider (12), the brake slider (12) is elastically connected with the inner top of the slide way (11) through a jacking spring (13), a push block (14) extending to the outer wall of the supporting plate (4) is arranged on the side wall of the brake slider (12), and a guide groove (15) matched with the push block (14) is formed in the outer wall of the supporting plate (4).

3. The fume hood moving door brake device according to claim 1, wherein the buffer mechanism comprises a buffer sliding groove (17) arranged at the bottom in the strip-shaped sliding groove (5), a buffer sliding block (18) matched with the buffer sliding groove is arranged in the buffer sliding groove (17), the buffer sliding block (18) is elastically connected with the inner bottom of the buffer sliding groove (17) through a buffer spring (19), and the upper end of the buffer sliding block (18) extends into the strip-shaped sliding groove (5).

4. A fume hood moving door braking device according to claim 1, characterized in that the outer walls of both of said gears (9) are provided with a protective cover (20), said protective cover (20) being slidably connected inside the strip-shaped chute (5).

5. A fume hood moving door braking device according to claim 2, characterized in that the side wall of the supporting plate (4) is fixedly connected with an auxiliary plate (21) corresponding to the push block (14).

6. A fume hood moving door brake device according to claim 5, characterized in that the outer walls of the push block (14) and the auxiliary plate (21) are provided with anti-slip lines.