Ground fresh air supply box

Abstract

The utility model belongs to the technical field of fresh air systems, and discloses a ground supply fresh air box which comprises an outer box body and an inner box body, an air opening is formed in the bottom of the outer box body, and a plurality of fixing pieces are arranged on the side wall of the outer box body; the inner box body is arranged in the outer box body in a sleeved mode, a plurality of sliding grooves are formed in the inner box body, the sliding grooves are in sliding and limiting fit with the fixing frame, and the inner box body can slide along the side wall of the outer box body. The inner box body is arranged in the outer box body, and the inner box body is limited through the fixing piece, so that the problems that materials are wasted and installation is inconvenient due to the fact that the box body needs to be adaptively cut according to the height of the ground during decoration are solved; meanwhile, the problem that the top of the box body cannot be correspondingly changed to adapt to the height change due to the ground height change during decoration is solved.

Description

Technical Field

[0001] This utility model belongs to the field of fresh air system technology, specifically relating to a ground-supplied fresh air box. Background Technology

[0002] Underfloor ventilation systems are a new type of air supply system that has been widely used in the construction industry in recent years. This system changes the traditional upward air supply method to downward air supply, allowing the air processed by the system to be closer to the activity area of ​​the workers, thereby achieving better energy saving and improving indoor comfort.

[0003] Existing floor-mounted fresh air boxes are typically fixed directly into the poured cement or concrete during the building's interior floor construction, with the air outlet at the top of the box protruding above the ground. After the building is completed, during the final interior decoration, the top of the box is cut to match the height of the tiles or wooden flooring to be laid on the floor, thus completing the installation.

[0004] The drawbacks of this type of floor-mounted fresh air box are twofold. First, the box needs to be adapted to the ground height, which not only wastes materials but also makes installation inconvenient. Second, building owners may renovate the building due to subletting, sale, or other reasons, resulting in changes in ground height. The existing floor-mounted fresh air box structure cannot adapt its top to accommodate the changes in ground height caused by multiple renovations. Summary of the Invention

[0005] Based on this, this application provides a ground-supplied fresh air box to solve the problems of needing to adapt the box to the ground height, which not only wastes materials but also makes installation inconvenient; and the problem that changes in ground height during renovation cause the top of the box to be unable to adapt to the height change accordingly.

[0006] The technical solution to the above-mentioned technical problems in this application is as follows:

[0007] A type of fresh air delivery box, comprising:

[0008] The outer box and the inner box are provided. The bottom of the outer box is provided with an air vent and the side wall of the outer box is provided with several fasteners. The inner box is fitted inside the outer box and is provided with several sliding grooves. The sliding grooves slide and limit the fasteners, and the inner box can slide along the side wall of the outer box.

[0009] Preferably, the fastener includes a threaded sleeve and a bolt. The threaded sleeve is fixed to the outer wall of the outer box, and the bolt passes through the side wall of the outer box and the sliding groove, and is threadedly engaged with the threaded sleeve.

[0010] Preferably, a closure is provided at one end of the air vent near the outer casing. The closure can switch between a first position and a second position. In the first position, one end of the closure coincides with one end of the air vent to close the air vent. In the second position, one end of the closure coincides with the other end of the air vent to open the air vent.

[0011] Preferably, the closure includes a housing, a first insert plate, and a second insert plate. The housing has a first socket and a second socket symmetrically arranged at both ends. The first insert plate is slidably engaged with the first socket, and the second insert plate is slidably engaged with the second socket.

[0012] Preferably, a limiting plate is provided inside the housing, and the two sides of the limiting plate are respectively limited and engaged with the first insert plate and the second insert plate.

[0013] Preferably, the bottom of the outer box is provided with fixing plates on both sides, and the fixing plates are provided with at least one positioning hole for installing and positioning the outer box.

[0014] Preferably, a support plate is provided inside the outer box, and the support plate is located at one end of the inner box near the air vent.

[0015] Preferably, the inner box body is detachably provided with a cover plate at the end away from the air vent, and the cover plate is used to close the inner box body.

[0016] The technical solution adopted in this application can achieve the following beneficial effects:

[0017] By setting the inner box inside the outer box and limiting the inner box with fasteners, the problem of having to adapt the box to the floor height during decoration is solved, which not only wastes materials but also makes installation inconvenient. At the same time, it solves the problem that the top of the box cannot be adjusted to adapt to changes in floor height during decoration. Attached Figure Description

[0018] Figure 1 This is an overall schematic diagram of the fresh air delivery box for the application site.

[0019] Figure 2 This is a schematic diagram showing the overall disassembly of the fresh air delivery box for this application.

[0020] Figure 3 This is a partial disassembly diagram of the fresh air delivery box for this application.

[0021] Figure 4 A partial illustration of the fresh air delivery box for the application site. Figure 1 .

[0022] Figure 5A schematic diagram of the fresh air delivery box for this application site. Figure 2 .

[0023] In the diagram: outer box 100, air vent 110, fastener 120, bolt 121, threaded sleeve 122, closure 130, housing 131, first insert plate 132, second insert plate 133, limiting plate 134, support plate 140, fixing plate 150, inner box 200, sliding groove 210, slot 220, cover plate 230, pull ring 231, and locking plate 232. Detailed Implementation

[0024] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0025] It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "end," "top," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] Please see Figures 1 to 5 This application provides a ground-supplied fresh air box, including an outer box 100 and an inner box 200. The bottom of the outer box 100 is provided with an air vent 110, and a plurality of fixing members 120 are provided on the side wall of the outer box 100. The inner box 200 is fitted inside the outer box 100, and a plurality of sliding grooves 210 are provided on the inner box 200. The sliding grooves 210 slide and limit the fixing frame, and the inner box 200 can slide along the side wall of the outer box 100.

[0028] Specifically, the inner box 200 is a rectangular box that is not closed at either the top or bottom, and the outer box 100 is a rectangular box with an open top surface. The cross-sectional dimensions of the outer box 100 are slightly larger than those of the inner box 200. Preferably, the dimensions of the outer wall of the inner box 200 are the same as those of the inner wall of the outer box 100. The fasteners 120 are fastening devices such as nuts and bolts 121, clips, and buckles. The number of sliding grooves 210 is the same as the number of fasteners 120, and they are equidistant. On the side wall of the inner box 200, the fastener 120 passes through the sliding groove 210 and extends into the interior of the inner box 200. By adjusting the state of the fastener 120 (including the tight state and the loose state), when the fastener 120 is in the tight state, the fastener 120 fixes the inner box 200 inside the outer box 100. When the fastener is in the loose state, the position of the inner box 200 can be adjusted by pulling it up or pressing it down. After the adjustment is completed, the fastener 120 is adjusted to the tight state so that it is fixed inside the outer box 100 again.

[0029] Furthermore, during concrete pouring, the fastener 120 is switched to the loose state, the inner box 200 is completely placed into the outer box 100, and the fastener 120 is switched to the tight state. When finishing, the operator switches the fastener 120 to the loose state again, pulls the inner box 200 upward to the required height as needed, and then switches the fastener 120 to the tight state to fix it.

[0030] The technical solution of the ground-supplied fresh air box adopted in this application can achieve the following beneficial effects:

[0031] By setting the inner box 200 inside the outer box 100 and limiting the inner box 200 with the fastener 120, the problem of needing to adapt the box to the ground height during decoration is solved, which not only wastes materials but also makes installation inconvenient; at the same time, the problem of the top of the box not being able to adapt to the height change due to changes in ground height during decoration is solved.

[0032] In the above solution, to improve convenience, the fastener 120 includes a threaded sleeve 122 and a bolt 121. The threaded sleeve 122 is fixed on the outer wall of the outer box 100, and the bolt 121 passes through the side wall of the outer box 100 and the sliding groove 210, and is threadedly engaged with the threaded sleeve 122.

[0033] Specifically, the number of threaded sleeves 122 is the same as the number of sliding grooves 210. The threaded sleeves 122 are vertically fixed to the side wall of the outer casing 100 by welding or bonding. The threaded sleeves 122 have internal threads, and the bolts 121 have external threads. The bolts 121 are matched with the threaded sleeves 122, and the end of the bolt 121 away from the threaded sleeve 122 is larger than the width of the sliding groove 210. By rotating the bolt 121, one end of the bolt 121 extends into the threaded sleeve 122, and the other end clamps the inner casing 200. Conversely, rotating it in the opposite direction causes the bolt 121 to slowly exit the threaded sleeve 122, thereby allowing the inner casing 200 to slide up and down. The threaded engagement between the threaded sleeves 122 and the bolts 121 makes the operation simple and convenient. Furthermore, by placing the rotating end of the bolt 121 through the inner casing 200, the problem of not being able to adjust the height from the outside after casting is solved, while also improving the ease of operation.

[0034] Based on the above scheme, a closure member 130 is provided at one end of the air vent 110 near the outer casing 100. The closure member 130 can switch between a first position and a second position. When the closure member 130 is in the first position, one end of the closure member 130 coincides with one end of the air vent 110, and is used to close the air vent 110. When the closure member 130 is in the second position, one end of the closure member 130 coincides with the other end of the air vent 110, and is used to open the air vent 110.

[0035] Specifically, the closure element 130 adopts, but is not limited to, a flap valve, a gate, etc. When the closure element 130 is in the first position, it covers the air vent 110. When the closure element 130 is in the second position, it is placed on one side of the air vent 110. When pouring concrete, the closure element 130 is in the first position to prevent concrete from entering the outer casing 100 from the air vent 110. After pouring is completed, and when needed, the construction personnel can switch the closure element 130 from the first position to the second position through the inside of the outer casing 100 to allow normal ventilation. The operation is simple and convenient, and the protection function is better.

[0036] Furthermore, the closure 130 includes a housing 131, a first insert plate 132 and a second insert plate 133. The housing 131 has a first socket and a second socket symmetrically arranged at both ends. The first insert plate 132 is slidably engaged with the first socket, and the second insert plate 133 is slidably engaged with the second socket.

[0037] The cross-sectional dimensions of the housing 131 are the same as those of the air vent 110. One end of the housing 131 extends out of the outer casing 100. A first insertion port and a second insertion port are provided on one end of the housing 131 located inside the outer casing 100. The first insertion port and the second insertion port are located on both sides of the housing 131 and are on the same plane. The first insertion plate 132 and the second insertion plate 133 are inserted into the first insertion port and the second insertion port on both sides, respectively. Both ends of the first insertion plate 132 and the second insertion plate 133 are provided with limiting parts. The size of the limiting parts is not less than the size of the first insertion port and the second insertion port, so as to solve the problem that the first insertion plate 132 and the second insertion plate 133 will detach from the housing 131 when sliding. The first positions of the first insert plate 132 and the second insert plate 133 are both at the central axis of the housing 131, and the second positions are at the first and second insertion ports of the housing 131, respectively. When the first insert plate 132 and the second insert plate 133 are in the first position, the air vent 110 is closed; when the first insert plate 132 and the second insert plate 133 are in the second position, the air vent 110 is opened. By setting the first insert plate 132 and the second insert plate 133, the problem of concrete and other debris blocking half of the air vent 110 due to operational errors, making it difficult to open the closure 130, is solved. By opening at least the first insert plate 132 or the second insert plate 133, the ventilation function of the fresh air system is completed, and the system is cleaned from the inside out, making its operation more convenient.

[0038] In one embodiment of this application, a limiting plate 134 is provided inside the housing 131, and the two sides of the limiting plate 134 are respectively limited and cooperated with the first insert plate 132 and the second insert plate 133.

[0039] The limiting plate 134 is symmetrically crescent-shaped, and is provided with a first limiting port and a second limiting port. The first insert plate 132 extends into the first insertion port and is inserted into the first limiting port. Similarly, the second insert plate 133 extends into the second insertion port and is inserted into the second limiting port. By setting the limiting plate 134, the ultimate compressive strength of the first insert plate 132 and the second insert plate 133 is increased, which solves the problem that the accumulation of concrete and debris squeezes the first insert plate 132 and the second insert plate 133, causing gaps to appear and allowing debris or concrete to enter the outer box 100.

[0040] In another embodiment of this application, fixing plates 150 are provided on both sides of the bottom of the outer box 100, and at least one positioning hole is provided on the fixing plate 150 for installing and positioning the outer box 100.

[0041] Fixing plates 150 are provided on both sides of the bottom of the outer box 100. Two positioning holes are opened on the fixing plates 150. They are fixed in the preset position by bolts 121, steel bars, ties, etc. This solves the problem that when the outer box 100 is fixed at the bottom, rust will corrode over a large area from the fixing point, which will reduce the service life of the outer box 100. By setting fixing plates 150 on both sides of the outer box 100, the corrosion of the fixing plates 150 is first blocked by the outer box 100, thus slowing down the corrosion rate and improving the service life of the outer box 100.

[0042] In the above scheme, a support plate 140 is provided inside the outer box 100, and the support plate 140 is located at the end of the inner box 200 near the air vent 110. A cover plate is detachably provided at the end of the inner box 200 away from the air vent 110, and the cover plate is used to close the inner box 200.

[0043] At least one support plate 140 is provided, and the support plate 140 is located between the inner box 200 and the air vent 110 to increase the compressive strength of the outer box 100 and solve the problem of deformation of the outer box 100 caused by concrete squeezing during concrete pouring. At the same time, in order to prevent concrete debris from entering the inner box 200 and the outer box 100 through the opening during pouring, a removable cover plate 230 is provided on the inner box 200. A retaining plate 232 is provided on the lower end face of the cover plate 230, and a pull ring 231 is provided on the upper end face of the cover plate 230. A slot 220 is provided on the end of the inner box 200 away from the air vent 110. The retaining plate 232 is locked between the slot 220 and the side wall of the outer box 100. During pouring, the cover plate 230 is closed on the inner box 200. During decoration, the cover plate 230 is removed from the inner box 200 by pulling the pull ring 231. The operation is simple and convenient.

[0044] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A fresh air delivery box, characterized in that, include: The outer box has an air vent at its bottom and several fasteners on its side walls. The inner box is fitted inside the outer box. The inner box has several sliding grooves that slide and limit the movement of the fixing member. The inner box can slide along the side wall of the outer box.

2. The ground-mounted fresh air box as described in claim 1, characterized in that, The fastener includes a threaded sleeve and a bolt. The threaded sleeve is fixed to the outer wall of the outer box, and the bolt passes through the side wall of the outer box and the sliding groove, and is threadedly engaged with the threaded sleeve.

3. The ground-mounted fresh air box as described in claim 1, characterized in that, A closure is provided at one end of the air vent near the outer casing. The closure can switch between a first position and a second position. In the first position, one end of the closure coincides with one end of the air vent to close the air vent. In the second position, one end of the closure coincides with the other end of the air vent to open the air vent.

4. The ground-mounted fresh air box as described in claim 3, characterized in that, The closure includes a housing, a first insert plate, and a second insert plate. The housing has a first socket and a second socket symmetrically arranged at both ends. The first insert plate is slidably engaged with the first socket, and the second insert plate is slidably engaged with the second socket.

5. The ground-mounted fresh air box as described in claim 4, characterized in that, A limiting plate is provided inside the housing, and the two sides of the limiting plate are respectively limited and engaged with the first insert plate and the second insert plate.

6. The ground-mounted fresh air box as described in claim 1, characterized in that, The outer box has fixing plates on both sides of its bottom, and each fixing plate has at least one positioning hole for mounting and positioning the outer box.

7. The ground-mounted fresh air box as described in claim 1, characterized in that, A support plate is provided inside the outer box, and the support plate is located at the end of the inner box near the air vent.

8. The ground-mounted fresh air box as described in claim 1, characterized in that, The inner box is detachably equipped with a cover plate at the end away from the air vent, and the cover plate is used to close the inner box.

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