CN210290808U

CN210290808U - Magnetic sealing device

Info

Publication number: CN210290808U
Application number: CN201921051458.4U
Authority: CN
Inventors: 商志忠
Original assignee: Changchun Weicheng Machinery Equipment Co ltd
Current assignee: Changchun Weicheng Machinery Equipment Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-10
Anticipated expiration: 2029-07-08

Abstract

A magnetic sealing device relates to the field of ventilation pipeline sealing and solves a plurality of problems existing in the existing ventilation pipeline mechanical swing type sealing mode. The air duct comprises an outer frame arranged outside the wall of the air duct, wherein U-shaped grooves are formed in the left inner wall and the right inner wall of the outer frame; a magnetic bottom frame fixed at the lower end of the outer frame; a lower magnetic strip fixed at the lower end of the wall of the air duct; a rolling curtain cabin fixed on the inner wall of the upper end of the outer frame; a magnetic roller shutter installed in the shutter chamber through a roller shaft; the first magnetic seal and the second magnetic seal are respectively fixed at the left end and the right end of the magnetic roller shutter; an upper magnetic strip fixed at the lower end of the magnetic roller shutter; the first rack and the second rack are respectively arranged in the U-shaped grooves at the left side and the right side of the outer frame; the two ends of the fixed frame are respectively arranged in the U-shaped grooves on the left side and the right side of the outer frame; the first motor and the second motor are fixed at two ends of the fixed rack; a first gear of the first motor is meshed with the first rack; a second gear of the second motor is meshed with the second rack; the lower end of the magnetic roller shutter is fixed on the fixed frame.

Description

Magnetic sealing device

Technical Field

The utility model relates to an air pipe seals technical field, concretely relates to magnetism sealing device.

Background

As is well known, ventilation ducts in modern buildings are an essential infrastructure for fire ventilation, central air conditioning and exhaust. At present, the sealing measure for the ventilation duct mainly adopts the sealing measure as shown in fig. 1, that is, a plurality of mechanical flaps are arranged inside the ventilation duct. The mechanical pendulum blade type sealing mode has the following technical problems: the sealing effect is poor, most of the temperature is lost, dust and bacteria can be spread, and even more, mice or other insects can inhabit the ventilation pipeline for a long time, which affects the air environment and is unfavorable for the health of people, and the situations are particularly serious in the north with long heating period and large indoor and outdoor temperature difference.

SUMMERY OF THE UTILITY MODEL

In order to solve a plurality of problems existing in the mechanical swinging type sealing mode of the existing ventilating duct, the utility model provides a magnetic sealing device.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the utility model discloses a magnetic seal device, include:

the outer frame is arranged outside the wall of the ventilation pipeline, and the left inner wall and the right inner wall of the outer frame are provided with U-shaped grooves;

a magnetic bottom frame fixed at the lower end of the outer frame;

a lower magnetic strip fixed at the lower end of the wall of the air duct;

a rolling curtain cabin fixed on the inner wall of the upper end of the outer frame;

a magnetic roller shutter installed in the shutter chamber through a roller shaft;

the first magnetic seal and the second magnetic seal are respectively fixed at the left end and the right end of the magnetic roller shutter;

an upper magnetic strip fixed at the lower end of the magnetic roller shutter;

the first rack and the second rack are respectively arranged in the U-shaped grooves at the left side and the right side of the outer frame;

the two ends of the fixed frame are respectively arranged in the U-shaped grooves on the left side and the right side of the outer frame;

the first motor and the second motor are fixed at two ends of the fixed rack;

a first gear of the first motor is meshed with the first rack;

a second gear of the second motor is meshed with a second rack;

the lower end of the magnetic roller shutter is fixed on the fixed frame.

Further, fixed frame includes first support and second support, second support one end is equipped with two rectangular holes, first support one end is equipped with the adjustment screw, and after will adjusting the screw and aligning rectangular hole, adopt adjusting bolt to adjust the connection that realizes first support and second support through the screw after targetting in place.

Furthermore, a first magnetic roller shutter fixing screw hole and a first motor fixing screw hole are formed in the first support; the second bracket is provided with a second magnetic roller shutter fixing screw hole and a second motor fixing screw hole; the first magnetic roller shutter fixing screw hole and the second magnetic roller shutter fixing screw hole are used for fixing the magnetic roller shutter; the first motor fixing screw hole and the second motor fixing screw hole are used for fixing the first motor and the second motor.

Furthermore, the other end of the first support is arranged in a U-shaped groove in the left side of the outer frame, and a square hole is formed in the end of the first support, so that a first gear of the first motor can be conveniently meshed with the first rack; the other end of the second support is arranged in a U-shaped groove on the right side of the outer frame, and a square hole is formed in the end of the second support, so that a second gear of a second motor can be meshed with a second rack conveniently.

Furthermore, the lower end of the magnetic roller shutter is fixedly connected with the first support and the second support.

Further, the method also comprises the following steps: the upper limit switch and the lower limit switch are respectively arranged at the upper end and the lower end of the second rack, and are fixed on the inner wall of the outer frame; when the fixed frame moves upwards, the fixed frame touches the upper limit switch to realize the limiting function, and when the fixed frame moves downwards, the fixed frame touches the lower limit switch to finish the limiting and sealing functions.

Further, the first motor and the second motor both adopt a direct current 24V servo motor.

The utility model has the advantages that:

the utility model discloses a magnetism sealing device has the noiselessness, opens in a flexible way, the leakproofness is good, simple structure, simple to operate's characteristics such as, has solved all types air pipe's sealed problem, and its size is followed 200X 200mm ~ 1000X 1000mm, is applicable to all building air pipe's sectional area requirement almost, is applicable to the ventilation duct's of various materials sealed simultaneously, for example steel, aluminum plate, plastics etc.

Additionally, the utility model discloses a magnetism sealing device has still solved the propagation of dust and bacterium and air pollution scheduling problem, has energy saving and consumption reduction, antivirus, is favorable to advantages such as people are healthy.

Drawings

Fig. 1 is a schematic view of a conventional mechanical pendulum blade type sealing structure.

Fig. 2 is a schematic view of the installation position of the magnetic sealing device in the ventilation duct according to the present invention.

Fig. 3 is a schematic structural diagram of a magnetic sealing device according to the present invention.

Fig. 4 is a schematic structural diagram of a magnetic sealing device according to the present invention.

Fig. 5 is a schematic structural view of the magnetic roller shutter.

Fig. 6 is a schematic structural diagram of a magnetic sealing device according to the present invention (the magnetic roller shutter part structure is omitted to expose the motor and the fixed frame).

Fig. 7 is a schematic view of the meshing of the gear and the rack of the motor.

Fig. 8 is a schematic structural view of the fixed frame.

In the figure: 1. the device comprises a roller shutter cabin, D1, a first motor, D1-1, a first motor fixing screw hole, D1-2, a first magnetic roller shutter fixing screw hole, D2, a second motor, D2-1, a second motor fixing screw hole, D2-2, a second magnetic roller shutter fixing screw hole, K1, an upper limit switch, K2, a lower limit switch, 2, an outer frame, 3, a second rack, 4, a second magnetic seal, 5, a lower magnetic strip, 6, a magnetic bottom frame, 7, a fixed rack, L1, a first bracket, L2, a second bracket, 8, an adjusting bolt, 9, a magnetic roller shutter, 10, a first gear, 11, an air duct wall, 12, an upper magnetic strip, 13, a first magnetic seal, 14, a first rack, 15, a second gear, 16, an adjusting screw hole, 17 and a strip hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in FIG. 2, the magnetic sealing device of the present invention is suitable for sealing square or rectangular ventilation ducts (without liquid), and has a thickness d of 120-250 mm and a cross section area of (200-1000) mmX (200-1000) mm.

As shown in fig. 3-6, the magnetic sealing device of the present invention mainly comprises: the device comprises a roller shutter cabin 1, a first motor D1, a first motor fixing screw hole D1-1, a first magnetic roller shutter fixing screw hole D1-2, a second motor D2, a second motor fixing screw hole D2-1, a second magnetic roller shutter fixing screw hole D2-2, an upper limit switch K1, a lower limit switch K2, an outer frame 2, a second rack 3, a second magnetic seal 4, a lower magnetic seal 5, a magnetic bottom frame 6, a fixed rack 7, a first support L1, a second support L2, an adjusting bolt 8, a magnetic roller shutter 9, a first gear 10, an air duct wall 11, an upper magnetic seal 12, a first magnetic seal 13, a first rack 14, a second gear 15, an adjusting screw hole 16 and a long hole 17.

First, confirm according to air pipe's sectional area the utility model discloses a size of frame 2 of magnetic seal device, the condition according to practical application sees that the size of frame 2 is (200 ~ 1000) mm x (200 ~ 1000) mm.

The outer frame 2 is arranged outside the ventilation duct, i.e. the ventilation duct wall 11 is arranged inside the outer frame 2.

The magnetic bottom frame 6 is fixed at the lower end of the outer frame 2.

The lower magnetic strip 5 is fixed to the air duct wall 11 at the lower end.

The rolling curtain cabin 1 is fixed on the inner wall of the upper end of the outer frame 2. The length of the roller shutter cabin 1 is determined by the sectional area of the ventilation pipeline, and the length of the ventilation pipeline does not have any influence on the process. One end of the magnetic roller shutter 9 is arranged in the roller shutter cabin 1 through a reel. As shown in fig. 5, the first magnetic seal 13 and the second magnetic seal 4 are respectively fixed at the left and right ends of the magnetic roller shutter 9, and the upper magnetic stripe 12 is fixed at the lower end of the magnetic roller shutter 9.

The first rack 14 is disposed in the U-shaped groove on the left side of the outer frame 2, that is, the first rack 14 is disposed between the outer frame 2 and the air duct wall 11, and the second rack 3 is disposed in the U-shaped groove on the right side of the outer frame 2, that is, the second rack 3 is disposed between the outer frame 2 and the air duct wall 11. Frame 2 left and right sides all is provided with U type groove, can guarantee frame 2's intensity and can guarantee good leakproofness again.

As shown in fig. 8, the fixed frame 7 includes a first bracket L1 and a second bracket L2. Within the dashed box in fig. 8 is the adjustment where the first support L1 and the second support L2 are connected. In order to ensure better sealing performance, when the first bracket L1 and the second bracket L2 are connected, two elongated holes 17 need to be arranged at one end of the second bracket L2, the two elongated holes 17 are all phi 5 × 40 in size, meanwhile, a corresponding adjusting screw hole 16 is arranged at one end of the first bracket L1, after the adjusting screw hole 16 of the first bracket L1 is aligned with the elongated hole 17 of the second bracket L2, an adjusting bolt 8 is installed to adjust the matching tightness of the adjusting bolt, and then the first bracket L1 and the second bracket L2 are connected by screwing. The size of the adjustment screw hole 16 is M4.

The lower end of the first bracket L1 is provided with a first magnetic roller shutter fixing screw hole D1-2, and the first bracket L1 is also provided with a first motor fixing screw hole D1-1.

The lower end of the second bracket L2 is provided with a second magnetic roller shutter fixing screw hole D2-2, and the second bracket L2 is also provided with a second motor fixing screw hole D2-1.

The first magnetic roller shutter fixing screw hole D1-2 and the second magnetic roller shutter fixing screw hole D2-2 are used for fixing the magnetic roller shutter 9, and the first motor fixing screw hole D1-1 and the second motor fixing screw hole D2-1 are used for fixing the first motor D1 and the second motor D2.

The sizes of the first magnetic roller shutter fixing screw hole D1-2, the first motor fixing screw hole D1-1, the second magnetic roller shutter fixing screw hole D2-2 and the second motor fixing screw hole D2-1 are all M3.

The other end of the first bracket L1 is installed in a U-shaped groove on the left side of the outer frame 2, and the one end of the first bracket L1 is provided with a square hole for facilitating the engagement of the first gear 10 of the first motor D1 with the first rack 14. The other end of the second support L2 is installed in the U-shaped groove on the right side of the outer frame 2, and the one end of the second support L2 is provided with a square hole for facilitating the engagement of the second gear 15 of the second motor D2 with the second rack 3. The square hole has transmission space and can ensure that the support and the outer frame 2 can well match and slide, belongs to clearance fit and is similar to the existing drawer slide.

First, a first motor D1 and a second motor D2 are respectively installed on a first support L1 and a second support L2, then the length of the first support L1 and the length of the second support L2 are adjusted to be tightly matched with an outer frame 2 through adjusting bolts 8, the first support L1 and the second support L2 are fixedly connected through screws, then the bottom of a magnetic roller shutter 9 is fixedly connected with the first support L1 and the second support L2, at the moment, a first gear 10 of the first motor D1 is meshed with a first rack 14, and a second gear 15 of the second motor D2 is meshed with a second rack 3. The first support L1 and the second support L2 should be horizontal and not inclined, otherwise they may be locked by different points on left and right during sliding. Because the gear is matched with static or motion, the sliding or unstable condition can not occur.

An upper limit switch K1 and a lower limit switch K2 are respectively arranged at the upper end and the lower end of the second rack 3, and the upper limit switch K1 and the lower limit switch K2 are both fixed on the inner wall of the outer frame 2. When the fixed frame 7 moves upwards, the fixed frame 7 touches the upper limit switch K1 to realize the limiting function, and when the fixed frame 7 moves downwards, the fixed frame contacts the lower limit switch K2 to finish the limiting and sealing functions.

Because the utility model discloses a magnetism sealing device light in weight does not need to consolidate very much, can install after the disconnection of original ventilation duct arbitrary place, all leaves the technology interface at both ends, does not influence air pipe's whole pleasing to the eye and leakproofness.

The utility model discloses in, first motor D1 and second motor D2 all adopt direct current 24V servo motor, and its control circuit who corresponds adopts 24V direct current operating voltage, take overload and overcurrent protection, prevent electrical damage.

The basic power of the magnetic sealing device of the utility model is between 200W and 300W.

The utility model discloses a magnetism sealing device adopts high density fireproof material, and it is a high-tech nano material, and the leakproofness is splendid, has characteristics such as corrosion-resistant, resistant humidity, fire-resistant and insect-proof mosquito simultaneously, and the softness does not receive temperature control and takes place deformation scheduling problem.

The utility model discloses a magnetism sealing device designs into roll curtain formula, compares and turns over the board-like, has following advantage: firstly, the structure is simple, the service life is long, and the failure rate is low; secondly, the installation is convenient, and the usage space is little, is convenient for realize the technological requirement better.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A magnetic seal, comprising:

the outer frame (2) is arranged outside the wall (11) of the ventilation pipeline, and U-shaped grooves are formed in the left inner wall and the right inner wall of the outer frame (2);

a magnetic bottom frame (6) fixed at the lower end of the outer frame (2);

a lower magnetic strip (5) fixed at the lower end of the air duct wall (11);

a rolling curtain cabin (1) fixed on the inner wall of the upper end of the outer frame (2);

a magnetic roller shutter (9) mounted in the shutter housing (1) by a roller shaft;

a first magnetic seal (13) and a second magnetic seal (4) which are respectively fixed at the left end and the right end of the magnetic roller shutter (9);

an upper magnetic strip (12) fixed at the lower end of the magnetic roller shutter (9);

a first rack (14) and a second rack (3) which are respectively arranged in the U-shaped grooves at the left side and the right side of the outer frame (2);

two ends of the fixed frame (7) are respectively arranged in the U-shaped grooves at the left side and the right side of the outer frame (2);

a first motor (D1) and a second motor (D2) which are fixed at two ends of the fixed frame (7);

a first gear (10) of the first motor (D1) is meshed with a first rack (14);

a second gear (15) of the second motor (D2) is meshed with the second rack (3);

the lower end of the magnetic roller shutter (9) is fixed on the fixed frame (7).

2. The magnetic sealing device according to claim 1, wherein the fixed frame (7) comprises a first bracket (L1) and a second bracket (L2), one end of the second bracket (L2) is provided with two elongated holes (17), one end of the first bracket (L1) is provided with an adjusting screw hole (16), and after the adjusting screw hole (16) is aligned with the elongated hole (17), the adjusting screw hole (16) is adjusted to the position by using an adjusting bolt (8) and then the first bracket (L1) is connected with the second bracket (L2) by using a screw.

3. The magnetic sealing device according to claim 2, wherein the first bracket (L1) is provided with a first magnetic roller shutter fixing screw hole (D1-2) and a first motor fixing screw hole (D1-1); a second magnetic roller shutter fixing screw hole (D2-2) and a second motor fixing screw hole (D2-1) are formed in the second support (L2); the first magnetic roller shutter fixing screw hole (D1-2) and the second magnetic roller shutter fixing screw hole (D2-2) are used for fixing the magnetic roller shutter (9); the first motor fixing screw hole (D1-1) and the second motor fixing screw hole (D2-1) are used for fixing the first motor (D1) and the second motor (D2).

4. A magnetic sealing device according to claim 2, characterized in that the other end of the first bracket (L1) is mounted in a U-shaped groove on the left side of the outer frame (2), and the end of the first bracket (L1) is provided with a square hole for facilitating the engagement of the first gear (10) of the first motor (D1) with the first rack (14); the other end of the second support (L2) is arranged in a U-shaped groove on the right side of the outer frame (2), and a square hole is formed in the end of the second support (L2) so that a second gear (15) of a second motor (D2) can be meshed with the second rack (3) conveniently.

5. A magnetic sealing device according to claim 2, characterized in that the lower end of the magnetic roller blind (9) is fixedly connected with a first bracket (L1) and a second bracket (L2).

6. The magnetic seal of claim 1, further comprising: an upper limit switch (K1) and a lower limit switch (K2) which are respectively arranged at the upper end and the lower end of the second rack (3), wherein the upper limit switch (K1) and the lower limit switch (K2) are both fixed on the inner wall of the outer frame (2); when the fixed frame (7) moves upwards, the fixed frame touches the upper limit switch (K1) to realize the limiting function, and when the fixed frame (7) moves downwards, the fixed frame touches the lower limit switch (K2) to finish the limiting and sealing functions.

7. A magnetic seal according to claim 1 wherein the first motor (D1) and the second motor (D2) are dc 24V servomotors.