Double inner buckle type exhaust hood air outlet structure

Abstract

The utility model discloses a double inner buckle's range hood air outlet structure, including inclined air outlet and installation positioning ring, the integral forming has the convex ring on the outer wall upper portion of inclined air outlet, and the top surface edge of convex ring is integrally formed with the clamping position flange, the bottom surface of installation positioning ring is provided with the concentric first buckle ring groove and second buckle ring groove, the bottom surface edge of installation positioning ring is fixed with a plurality of buckle support lug, installation positioning ring is equipped in the top of inclined air outlet, and the top edge of inclined air outlet is inserted into first buckle ring groove, and the clamping position flange is inserted into second buckle ring groove, and the buckle support lug is buckled in the bottom surface edge positioning of convex ring, the utility model discloses the structure is reasonably arranged, and the top edge of inclined air outlet is inserted into first buckle ring groove, and the clamping position flange is inserted into second buckle ring groove, and direct plug -in card connection can, can guarantee the stability and reliability of assembly, and through doublet also is favorable to the promotion of the oil -proof performance, and the use availability of overall structure has been improved.

Description

Technical Field

[0001] This utility model belongs to the field of range hood exhaust technology, specifically relating to a range hood exhaust outlet structure with double internal snap-fit. Background Technology

[0002] A common kitchen appliance structure in range hoods typically has an air outlet for venting cooking fumes. The cylindrical outlet usually has a corresponding exhaust shield at its end. Previous application 202321276629.X disclosed a novel snap-fit ​​type range hood outlet, including an inclined outlet and a positioning ring. The inlet end of the inclined outlet has an integrally formed protruding ring for connecting to the exhaust pipe. The edge of the positioning ring has several integrally formed snap-fit ​​support plates, and the sides of the snap-fit ​​support plates are fixed with snap-fit ​​protrusions. The positioning ring is inserted into the inlet end of the inclined outlet and is secured to the protruding ring and positioned against the exhaust pipe by the snap-fit ​​support plates and snap-fit ​​protrusions.

[0003] The inventor discovered through use that although it can connect to the air-venting mask, its oil-proof effect is limited. During use, oil stains inside the cylindrical air outlet will flow out from the connection point of the air-venting mask, thus affecting the stability and effectiveness of use and limiting its applicability. Summary of the Invention

[0004] The purpose of this utility model is to provide a double-internal snap-fit ​​exhaust vent structure for range hoods that has a reasonable structural design and is conducive to improving oil leakage prevention performance.

[0005] The technical solution to achieve the purpose of this utility model is a double internal snap-fit ​​range hood air outlet structure, including an inclined air outlet and an installation positioning ring. The upper part of the outer wall of the inclined air outlet is integrally formed with a convex ring, and the top edge of the convex ring is integrally formed with a locking convex edge.

[0006] The bottom surface of the mounting positioning ring is provided with a concentric first snap ring groove and a second snap ring groove.

[0007] The bottom edge of the mounting positioning ring is fixed with several snap-fit ​​lugs;

[0008] The mounting positioning ring is sleeved on the top of the inclined air outlet, and the top edge of the inclined air outlet is engaged in the first buckle ring groove, the positioning protrusion is engaged in the second buckle ring groove, and the buckle lug is engaged and positioned on the bottom edge of the protrusion ring.

[0009] A further preferred embodiment is that the width of the middle part of the first snap ring groove matches the wall thickness of the inclined air outlet.

[0010] A further preferred embodiment is that the width of the middle part of the second snap ring groove matches the thickness of the snap-position protrusion.

[0011] A further preferred embodiment is that the top surface of the mounting positioning ring is provided with an annular slot for connecting an air guide pipe.

[0012] A further preferred embodiment is that both the first and second snap ring grooves are grooves with a narrow top width and a wide bottom width.

[0013] This utility model has the following positive effects: The structure of this utility model is reasonably designed. The bottom surface of its mounting positioning ring is provided with a first snap ring groove and a second snap ring groove. When connected with the inclined air outlet, the top edge of the inclined air outlet is snapped into the first snap ring groove, and the snapping protrusion is snapped into the second snap ring groove. The snapping lug is snapped and positioned on the bottom edge of the protrusion. When assembling, it can be directly connected by inserting the snap ring without checking the installation direction, which can ensure the stability and reliability of the assembly. Moreover, the double snapping also helps to improve the oil leakage prevention performance, improve the overall structure's usability, and is easy to assemble and disassemble with strong applicability. Attached Figure Description

[0014] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the specific structure of the inclined air outlet in this utility model;

[0017] Figure 3 This is a schematic diagram of the specific structure of the positioning ring in this utility model;

[0018] Figure 4 This is a cross-sectional view of the positioning ring in this utility model.

[0019] Attached reference numerals: 1. Inclined air outlet; 2. Mounting positioning ring; 3. Protruding ring; 4. Locking protrusion; 5. First locking ring groove; 6. Second locking ring groove; 7. Locking lug; 8. Air duct connection ring slot. Detailed Implementation

[0020] 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. Example

[0021] See Figures 1 to 4 As shown, a double-internal-clamp range hood vent structure includes an inclined vent 1 and a mounting positioning ring 2. In this embodiment, the inclined vent is a conventional structure in the prior art, as specifically shown in the referenced document in the background art. Furthermore, a protruding ring 3 is integrally formed on the upper part of the outer wall of the inclined vent, and a locking protruding edge 4 is integrally formed on the top edge of the protruding ring. The height of the locking protruding edge can be set as needed. In actual application, the top edge of the locking protruding edge is lower than the top edge of the inclined vent.

[0022] In this embodiment, the bottom surface of the mounting positioning ring is provided with a concentric first snap-fit ​​ring groove 5 and a second snap-fit ​​ring groove 6; a plurality of snap-fit ​​lugs 7 are fixed along the bottom edge of the mounting positioning ring; the middle width of the first snap-fit ​​ring groove matches the wall thickness of the inclined air outlet. The middle width of the second snap-fit ​​ring groove matches the thickness of the locking protrusion.

[0023] During assembly, the mounting positioning ring is fitted onto the top of the inclined air outlet, and the top edge of the inclined air outlet is engaged in the first snap-fit ​​ring groove. The locking protrusion is engaged in the second snap-fit ​​ring groove, and the snap-fit ​​lug is positioned on the bottom edge of the protruding ring. This structure not only improves the ease of assembly and stability of the overall structure, but also enhances the oil leakage prevention effect and expands its applicability through the double locking mechanism.

[0024] In this embodiment, the top surface of the mounting positioning ring is provided with an annular slot 8 for connecting the air guide pipe. This facilitates connection with the air guide pipe and improves the effectiveness and reliability of the connection.

[0025] In this embodiment, both the first and second snap-fit ​​ring grooves are grooves with a narrow top width and a wide bottom width. With this structure, during assembly, the rings gradually tighten as the insertion depth increases, thereby improving the tightness of the assembly and enhancing the oil leakage prevention effect.

[0026] This utility model has the following positive effects: The structure of this utility model is reasonably designed. The bottom surface of its mounting positioning ring is provided with a first snap ring groove and a second snap ring groove. When connected with the inclined air outlet, the top edge of the inclined air outlet is snapped into the first snap ring groove, and the snapping protrusion is snapped into the second snap ring groove. The snapping lug is snapped and positioned on the bottom edge of the protrusion. When assembling, it can be directly connected by inserting the snap ring without checking the installation direction, which can ensure the stability and reliability of the assembly. Moreover, the double snapping also helps to improve the oil leakage prevention performance, improve the overall structure's usability, and is easy to assemble and disassemble with strong applicability.

[0027] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0028] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A double-internal-clamp range hood air outlet structure, comprising an inclined air outlet and a mounting positioning ring, characterized in that: The upper part of the outer wall of the inclined air outlet is integrally formed with a convex ring, and the top edge of the convex ring is integrally formed with a locking convex edge. The bottom surface of the mounting positioning ring is provided with a concentric first snap ring groove and a second snap ring groove. The bottom edge of the mounting positioning ring is fixed with several snap-fit ​​lugs; The mounting positioning ring is sleeved on the top of the inclined air outlet, and the top edge of the inclined air outlet is engaged in the first buckle ring groove, the positioning protrusion is engaged in the second buckle ring groove, and the buckle lug is engaged and positioned on the bottom edge of the protrusion ring.

2. The range hood outlet structure with double internal snap-fit ​​according to claim 1, characterized in that: The width of the middle part of the first snap ring groove matches the wall thickness of the inclined air outlet.

3. The range hood outlet structure with double internal snap-fit ​​according to claim 2, characterized in that: The width of the middle part of the second snap ring groove matches the thickness of the snap-position protrusion.

4. The range hood outlet structure with double internal snap-fit ​​according to claim 1, characterized in that: The top surface of the mounting positioning ring is provided with an annular slot for connecting the air guide pipe.

5. The range hood outlet structure with double internal snap-fit ​​according to claim 1, characterized in that: Both the first and second snap ring grooves are grooves with a narrow top width and a wide bottom width.

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