Liftable lower exhaust pipe device

Abstract

The utility model discloses a lifting type lower exhaust pipe device which is installed on an indoor suspended ceiling and comprises a storage box and a lifting type lower exhaust pipe, an opening of the storage box faces downwards, and the storage box is connected to a keel of the suspended ceiling; one end of the liftable lower exhaust pipe is fixed on the inner wall of the storage box and is accommodated in the storage box in a lifting state; an air outlet is formed in one side of the storage box, and the air outlet is communicated with the indoor air exhaust main pipe; an air inlet is formed in one side of the lifting lower exhaust pipe, communicates with the air outlet and is used for exhausting air when the lifting lower exhaust pipe descends to the indoor ground. Through the arrangement of the storage box, the lifting lower exhaust pipe can be contained when exhaust is not needed, space is saved, and the indoor space is more attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning and ventilation, and more specifically to a liftable down-exhaust duct device installed on an indoor ceiling. Background Art

[0002] Many new buildings combining peacetime and epidemic prevention have been built across the country to treat patients. Such functional rooms require air conditioning supply and exhaust to meet the requirements of directional airflow organization, with upper supply and lower exhaust. The air supply outlet is usually set at the upper part of the room, and the exhaust outlet is required to be exhausted from the bottom, and the bottom of the exhaust outlet should not be less than 100mm from the ground, which is conducive to the control and quick discharge of harmful aerosols such as viruses.

[0003] For this kind of functional room that combines peacetime and epidemic prevention, the traditional method is usually to cover the exhaust riser in the clinic, set up an exhaust wall on the bedside of the ward, and build in the exhaust riser. The traditional method has many disadvantages. First, it occupies part of the room area, reducing the effective use area of ​​the functional room; second, the exhaust is only used during an epidemic, and it is not beautiful at ordinary times. The height from the ground is very small, and there are sanitary dead corners.

[0004] In the prior art, improvements have been made to the defects of the covered exhaust riser, and a combination of hard and flexible air ducts has been set up. The flexible air ducts are opened for exhaust when needed during an epidemic, and are stored in the ceiling when not needed. However, this design of hard air ducts still has the problem of occupying a large space. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a liftable lower exhaust duct device, which overcomes the defect that the hard duct occupies a large space by providing a storage box.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a liftable lower exhaust duct device, which is installed on an indoor ceiling, comprising: a storage box and a liftable lower exhaust duct, wherein the storage box has an opening facing downward and is connected to the keel of the ceiling; one end of the liftable lower exhaust duct is fixed to the inner wall of the storage box, and is accommodated in the storage box in a raised state; an air outlet is provided on one side of the storage box, and the air outlet is connected to the indoor exhaust main pipe; an air inlet is provided on one side of the liftable lower exhaust duct, and the air inlet is connected to the air outlet, so as to exhaust air when the liftable lower exhaust duct descends to the indoor floor.

[0007] Optionally, the above-mentioned liftable lower exhaust duct includes a retractable support frame and a fiber fabric surrounding the outside of the retractable support frame, and the retractable support frame is connected to the inner wall of the storage box.

[0008] Optionally, the retractable support frame includes a plurality of X-shaped brackets and a plurality of connecting rods, wherein two opposite sides of the retractable support frame are respectively formed by the plurality of X-shaped brackets being hinged in sequence, and the other two opposite sides are respectively formed by a plurality of connecting rods, and the connecting rods are connected between the two opposite X-shaped brackets.

[0009] Optionally, the above-mentioned retractable support frame also includes a limiting device, which includes a vertical limiting device and a lateral limiting device, wherein the vertical limiting device is installed on the X-shaped bracket to limit the vertical displacement of the retractable support frame; the lateral limiting device is installed at one end or both ends of the retractable support frame to limit the lateral displacement of the retractable support frame.

[0010] Optionally, the liftable lower exhaust duct device further comprises a first tray, which is mounted on one end of the liftable lower exhaust duct away from the storage box and is used for fixing the liftable lower exhaust duct on the ceiling when the liftable lower exhaust duct is in a raised state.

[0011] Optionally, the first tray includes a buckle edge, a groove and a bottom edge, the bottom edge is installed at one end of the liftable lower exhaust duct away from the storage box, the groove is installed on one side of the bottom edge located on the X-shaped bracket, and the buckle edge is installed on the other side of the bottom edge adjacent to the groove.

[0012] Optionally, the liftable lower exhaust duct device further includes a second tray, which is installed between the liftable lower exhaust duct and the storage box and accommodated in the storage box.

[0013] Optionally, the second tray includes a groove and a bottom edge, the bottom edge is installed between the liftable lower exhaust duct and the storage box and accommodated in the storage box, and the groove is installed on the bottom edge on one side of the X-shaped bracket.

[0014] Optionally, the lateral limiting device is accommodated in the groove and can drive the retractable support frame to move in the groove.

[0015] Optionally, the liftable lower exhaust duct device further includes a connecting portion disposed on the storage box, for connecting the storage box to the ceiling keel.

[0016] From the above scheme, it can be seen that the advantages of the utility model are:

[0017] The utility model provides a storage box to accommodate the liftable lower exhaust duct when there is no epidemic need, thus saving space and making the interior more beautiful; and when there is an epidemic need, the liftable lower exhaust duct can be lowered to the indoor ground for normal exhaust.

[0018] The utility model improves stability while ensuring the retractability by arranging a liftable lower exhaust pipe composed of a retractable support frame and a fiber fabric.

[0019] The utility model can limit the vertical and lateral displacements of the liftable lower exhaust duct by arranging a vertical limit device in cooperation with the X-shaped bracket and a lateral limit device in cooperation with the tray groove, thereby improving the controllability of the position of the liftable lower exhaust duct and effectively performing exhaust.

[0020] The utility model provides a tray so that the lower exhaust duct which can be raised and lowered can be buckled on the ceiling by using the buckle edge when not needed, and the stability of the telescopic support frame is increased.

[0021] The utility model enables the storage box to be more stably connected to the ceiling keel by arranging the connecting part. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the liftable lower exhaust duct device of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the retractable support frame of the utility model;

[0024] Figure 3 for Figure 2 The structural diagram of the enlarged area A in the middle;

[0025] Among them, the reference numerals

[0026] 1-Liftable lower exhaust duct device;

[0027] 10- Storage box;

[0028] 100-air outlet;

[0029] 11- The exhaust pipe can be raised and lowered;

[0030] 110-air inlet;

[0031] 12-Retractable support frame;

[0032] 120-X type bracket;

[0033] 121-connecting rod;

[0034] 122-stopper;

[0035] 123-Pulley;

[0036] 13-fiber fabric;

[0037] 14- first tray;

[0038] 141- buckle edge;

[0039] 140-groove;

[0040] 142- bottom edge;

[0041] 15- Second tray;

[0042] 16-Fix plate. DETAILED DESCRIPTION

[0043] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings and specific embodiments to further understand the purpose, solution and effect of the utility model, but it is not intended to limit the scope of protection of the claims attached to the utility model.

[0044] References to "an embodiment", "another embodiment", "this embodiment", etc. in the specification refer to the embodiment being described which may include specific features, structures or characteristics, but not every embodiment must include these specific features, structures or characteristics. In addition, such expressions do not refer to the same embodiment. Furthermore, when describing specific features, structures or characteristics in conjunction with an embodiment, whether or not there is an explicit description, it is indicated that incorporating such features, structures or characteristics into other embodiments is within the knowledge of those skilled in the art.

[0045] Certain words are used in the specification and subsequent claims to refer to specific components or parts. People of ordinary skill in the art should understand that technical users or manufacturers can refer to the same component or part with different nouns or terms. This specification and claims do not use differences in names as a way to distinguish components or parts, but use differences in the functions of components or parts as the criteria for distinction. "Including" and "including" mentioned throughout the specification and claims are open-ended terms and should be interpreted as "including but not limited to". In addition, the word "connected" here includes any direct and indirect electrical connection means. Indirect electrical connection means include connection through other devices.

[0046] It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and "approximately", or "approximately", "substantially", "left and right" and the like indicating directions or positional relationships or parameters are all based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description content, and do not indicate or imply that the referred device or element must have a specific direction, specific size, or be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0047] The utility model solves the problem of large space occupied by the exhaust duct in the prior art by providing a liftable lower exhaust duct device.

[0048] The technical solution of the utility model is to solve the above problems, and the overall idea is as follows: a storage box is set, and when not needed, the liftable lower exhaust duct is raised and accommodated in the storage box; when exhaust is needed, the liftable lower exhaust duct is lowered to the indoor floor for normal exhaust.

[0049] like Figures 1 to 3 The figure shows a schematic diagram of the structure of a liftable lower exhaust duct device 1 (hereinafter referred to as device 1) according to an embodiment of the utility model, wherein: Figure 1 It is a schematic diagram of the overall structure of the device 1 when it is descending; Figure 2 is a schematic diagram of the structure of a retractable support frame; Figure 3 for Figure 2 Schematic diagram of the structure after enlarging area A in the middle.

[0050] The device 1 is installed above the indoor ceiling, for example, it can be installed on the indoor ceiling of a room with a normal-epidemic conversion function, and includes: a storage box 10 and a liftable lower exhaust pipe 11. The storage box 10 is a hollow structure with an opening, and the opening faces downward. The storage box 10 is connected to the keel of the ceiling (not shown in the figure); one end of the liftable lower exhaust pipe 11 is fixed to the inner wall of the storage box 10, and is placed in the storage box 10 in a raised state; an air outlet 100 is opened on one side of the storage box 10, and the air outlet 100 is connected to the indoor exhaust main pipe (not shown in the figure); an air inlet 110 is opened on one side of the liftable lower exhaust pipe 11, and the air inlet 110 is connected to the air outlet 100, which is used for normal exhaust when the liftable lower exhaust pipe 11 descends to the indoor ground.

[0051] Specifically, when exhaust is needed, the lower exhaust pipe 11 is lowered to the indoor floor, and the indoor air is absorbed through the air inlet 110 and discharged to the indoor exhaust pipe through the air outlet 100, and then discharged outdoors; when exhaust is not needed, the lower exhaust pipe 11 is raised and placed in the storage box 10. At this time, there is no exhaust pipe in the room, which reduces space occupation and improves aesthetics. The size of the storage box 10 corresponds to the size of the lower exhaust pipe 11, and its internal capacity is determined by fully accommodating the lower exhaust pipe 11 in the raised state (i.e., compressed state). Preferably, in order to make the interior more beautiful, the storage box 10 can be hidden in the ceiling.

[0052] In this embodiment, the liftable lower exhaust duct 11 includes a retractable support frame 12 and a fiber fabric 13 surrounding the outside of the retractable support frame 12 , and the retractable support frame 12 is connected to the inner wall of the storage box 10 .

[0053] Specifically, the fiber fabric 13 can be, for example, fiber cloth, and is arranged around the outside of the retractable support frame 12 to form a lower exhaust duct together with the retractable support frame 12. One end of the retractable support frame 12 is fixed to the inner wall of the storage box 10, and is stored in the storage box 10 when exhaust is not needed.

[0054] In this embodiment, the retractable support frame 12 includes a plurality of X-shaped brackets 120 and a plurality of connecting rods 121, wherein two opposite sides of the retractable support frame 12 are respectively formed by a plurality of X-shaped brackets 120 hinged in sequence, and the other two opposite sides are respectively formed by a plurality of connecting rods 121, and the connecting rods 121 are connected between the two opposite X-shaped brackets 120.

[0055] Specifically, if Figure 2 As shown, a plurality of X-shaped brackets 120 are hinged in sequence, for example, by a pin to form one side of the retractable support frame 12, and the opposite side has the same structure. A connecting rod 121 is connected between each two opposite X-shaped brackets 120 to stabilize the X-shaped brackets 120.

[0056] In this embodiment, the telescopic support frame 12 further includes a limiting device (not shown), which includes a vertical limiting device and a lateral limiting device. The vertical limiting device is installed on the X-shaped bracket 120 to limit the vertical displacement of the telescopic support frame 12; the lateral limiting device is installed at one end or both ends of the telescopic support frame 12 to limit the lateral displacement of the telescopic support frame 12.

[0057] Specifically, if Figure 2 and Figure 3 As shown, the vertical limit device can be a limiter 122, which is installed at the center of the circle of the center point of the X-shaped bracket. Adjusting the limiter 122 can control the vertical displacement of the retractable support frame 12, so that the displacement of the lifting and lowering of the liftable lower exhaust duct 11 can be controlled, and then the exhaust function can be realized at any vertical position indoors (for example, in a room with a flat-epidemic conversion function). The lateral limit device is, for example, installed at one end of the retractable support frame 12 located in the storage box 10, driving the retractable support frame 12 to move horizontally in the storage box 10, and can also realize the lifting and lowering of the liftable lower exhaust duct 11. The two (vertical limit device and lateral limit device) can be used in combination, or only one of the two can be installed, and this is not limited by the utility model.

[0058] In this embodiment, the liftable lower exhaust duct device 1 further comprises a first tray 14, which is mounted on one end of the liftable lower exhaust duct 11 away from the storage box 10 and is used to fix the liftable lower exhaust duct 1 on the ceiling when the liftable lower exhaust duct 1 is in the raised state.

[0059] Specifically, the first tray 14 may be provided with a device that is easy to fix and detach from the suspended ceiling, such as a hook, a buckle component, etc. In addition, the material and color of the first tray 14 may be consistent with the suspended ceiling to increase the indoor aesthetics.

[0060] In this embodiment, if Figure 3 As shown, the first tray 14 includes a buckle edge 141, a groove 140 and a bottom edge 142, the bottom edge 142 is installed at one end of the lower exhaust duct 11 that can be raised and lowered away from the storage box 10, the groove 140 is installed on one side of the bottom edge 142 located at the X-shaped bracket 120, and the buckle edge 141 is installed on the other side of the bottom edge 142 adjacent to the groove 140. It should be mentioned that Figure 3 The middle groove 140 and the buckle edge 141 are separated from the bottom edge 142 only to more clearly illustrate the relationship between the three. The embodiment does not use this as the structure of the first tray 14. In fact, the buckle edge 141 and the groove 140 are both connected to the bottom edge 142, and the buckle edge 141 and the groove 140 are also connected together.

[0061] Specifically, the first tray 14 is installed at the lower end of the liftable lower exhaust duct 11, and the buckle edge 141 is used to buckle on the ceiling when the liftable lower exhaust duct 11 is raised (compressed state). The corresponding position of the ceiling can be provided with a groove or protrusion corresponding to the buckle edge 141 to adapt to the buckle edge 141 to increase stability. Preferably, the number of buckles 141 is at least two, which are arranged on the bottom edge 142 on one side of the connecting rod 121 and / or at the bottom of the groove 140; the number of grooves 140 can also be two, which are arranged on the bottom edge 142 on one side of the X-shaped bracket to accommodate the lateral limit device.

[0062] In this embodiment, the liftable lower exhaust duct device 1 further includes a second tray 15 . The second tray 15 is installed between the liftable lower exhaust duct 11 and the storage box 10 , and is accommodated in the storage box 10 .

[0063] Specifically, the structure of the second tray 15 is the same or similar to that of the first tray 14, that is, the second tray 15 also includes two grooves and a bottom edge (not shown). The bottom edge of the second tray 15 is installed between the lower exhaust duct 11 and the storage box 10, and is accommodated in the storage box 10. The groove of the second tray 15 is installed on the bottom edge of the second tray 15, which is located on one side of the X-shaped bracket 120. The second tray 15 may not be provided with a buckle edge 141, and the size of the second tray 15 matches the storage box 10, and the lower exhaust duct 11 can be installed on the inner wall of the storage box 10 through the second tray 15.

[0064] In this embodiment, the lateral limiting device is accommodated in the groove 140 and / or the groove of the second tray 15 (not shown) and can drive the retractable support frame 12 to move in the groove 140 and / or the groove of the second tray 15 .

[0065] Specifically, the lateral limiting device may be, for example, a pulley 123, which is installed at the top or bottom of the retractable support frame 12 and accommodated in the groove 140 and / or the groove of the second tray 15 (not shown). In this embodiment, four pulleys are installed at the top and bottom of the retractable support frame 12 respectively.

[0066] In this embodiment, the liftable lower exhaust duct device 1 further includes a connecting portion disposed on the storage box 10, so as to connect the storage box 10 to a ceiling keel (not shown).

[0067] Specifically, the connection portion can be, for example, a fixing plate 16 disposed on the opening side of the storage box 10, and the fixing plate 16 can be disposed on two opposite sides or four sides of the opening side of the storage box 10. Preferably, the storage box 10 is fixed to the ceiling keel in a detachable manner, wherein the detachable manner can be, for example, bolt connection, magnetic connection, clamping connection or adhesive connection, etc., and a suitable manner can be selected according to actual needs.

[0068] To sum up, the beneficial effects of the utility model are as follows: by setting up a storage box, the liftable lower exhaust duct can be accommodated when there is no need for an epidemic, thus saving space and making the interior more beautiful, and when an epidemic requires, the liftable lower exhaust duct can be lowered to the indoor floor for normal exhaust; by setting up a liftable lower exhaust duct composed of a retractable support frame and a fiber fabric, the stability is improved while ensuring retractability; by setting up a vertical limit device in cooperation with the X-shaped bracket and a horizontal limit device in cooperation with the tray groove, the vertical and horizontal displacements of the liftable lower exhaust duct can be limited, the controllability of the position of the liftable lower exhaust duct is improved, and exhaust is effectively performed; by setting up a tray, on the one hand, the buckle edge is used to buckle the liftable lower exhaust duct to the ceiling when it is not needed, and on the other hand, the stability of the retractable support frame is increased; by setting up a connecting part, the storage box is more stably connected to the ceiling keel.

[0069] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, all of which belong to the protection scope of the utility model.

Claims

1. A liftable down exhaust duct device, installed on an indoor ceiling, characterized in that: include: A storage box and a liftable lower exhaust duct, wherein the storage box is opened downward and connected to the keel of the ceiling; one end of the liftable lower exhaust duct is fixed to the inner wall of the storage box and is accommodated in the storage box in a raised state; An air outlet is provided on one side of the storage box, and the air outlet is connected to the exhaust pipe in the room; An air inlet is provided on one side of the liftable lower exhaust duct, and the air inlet is communicated with the air outlet for exhausting air when the liftable lower exhaust duct descends to the indoor ground.

2. The liftable lower exhaust duct device according to claim 1, characterized in that: The liftable lower exhaust duct comprises a retractable support frame and a fiber fabric surrounding the outside of the retractable support frame, and the retractable support frame is connected to the inner wall of the storage box.

3. The liftable lower exhaust duct device according to claim 2, characterized in that: The retractable support frame includes a plurality of X-shaped brackets and a plurality of connecting rods, wherein two opposite sides of the retractable support frame are respectively formed by the plurality of X-shaped brackets being hinged in sequence, and the other two opposite sides are respectively formed by a plurality of connecting rods, and the connecting rods are connected between the two opposite X-shaped brackets.

4. The liftable lower exhaust duct device according to claim 3, characterized in that: The retractable support frame also includes a limiting device, which includes a vertical limiting device and a lateral limiting device, wherein the vertical limiting device is installed on the X-shaped bracket to limit the vertical displacement of the retractable support frame; the lateral limiting device is installed at one end or both ends of the retractable support frame to limit the lateral displacement of the retractable support frame.

5. The liftable lower exhaust duct device according to claim 4, characterized in that: It also includes a first tray, which is installed at one end of the liftable lower exhaust duct away from the storage box and is used to fix the liftable lower exhaust duct on the ceiling when it is in a raised state.

6. The liftable lower exhaust duct device according to claim 5, characterized in that: The first tray includes a buckle edge, a groove and a bottom edge, the bottom edge is installed at one end of the liftable lower exhaust duct away from the storage box, the groove is installed on one side of the bottom edge located on the X-shaped bracket, and the buckle edge is installed on the other side of the bottom edge adjacent to the groove.

7. The liftable lower exhaust duct device according to claim 4, characterized in that: It also includes a second tray, which is installed between the liftable lower exhaust duct and the storage box and accommodated in the storage box.

8. The liftable lower exhaust duct device according to claim 7, characterized in that: The second tray includes a groove and a bottom edge, the bottom edge is installed between the liftable lower exhaust duct and the storage box, and the groove is installed on one side of the bottom edge located at the X-shaped bracket.

9. The liftable lower exhaust duct device according to claim 6 or 8, characterized in that: The transverse limiting device is accommodated in the groove and can drive the telescopic support frame to move in the groove.

10. The liftable lower exhaust duct device according to claim 1, characterized in that: It also includes a connecting portion arranged on the storage box, which is used to connect the storage box to the keel of the ceiling.

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