Guide plate mounting structure and range hood thereof

Abstract

The utility model discloses a guide plate mounting structure and a range hood thereof, the guide plate mounting structure comprises: a smoke collecting hood having an air inlet and a first mounting surface; the flow guide plate is arranged below the air inlet and provided with a first end and a second end which are oppositely arranged, and the first end is detachably connected with the first mounting surface through at least one hook assembly; the hook assembly comprises a hook, a support and a rotating shaft, the hook is installed on the first installation face, the hook is provided with an installation groove and two clamping grooves, the support is installed on the first end, the free end of the support is inserted into the installation groove, and the rotating shaft is installed on the support. The rotating shaft is installed at the free end of the support, and the two opposite ends of the rotating shaft are rotationally connected with the two clamping grooves correspondingly. According to the flow guide plate installation structure, the flow guide plate can be stably and reliably hung on the exhaust fume collecting hood, and it is ensured that the flow guide plate is not prone to directly falling down.

Description

Technical Field

[0001] The utility model relates to the technical field of range hoods, in particular to a guide plate installation structure and a range hood thereof. Background Art

[0002] The lower end of the guide plate of some existing range hoods is fixed with plastic parts, which has a low cost. However, when the guide plate is removed, the plastic parts are subjected to torsion, and plastic deformation is prone to occur after long-term disassembly and assembly, resulting in loose installation of the guide plate, causing the guide plate to fall directly and affecting the appearance of the lower part of the entire machine. Summary of the invention

[0003] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a guide plate installation structure, which has a simple structure and can make the guide plate stably and reliably hang on the smoke hood, ensuring that the guide plate is not easy to fall directly, thereby ensuring safe disassembly and assembly.

[0004] According to the above-mentioned guide plate installation structure, it is realized by the following technical solutions:

[0005] A deflector mounting structure comprises: a smoke hood having an air inlet and a first mounting surface; a deflector arranged below the air inlet, having a first end and a second end arranged opposite to each other, the first end being detachably connected to the first mounting surface by at least one hook assembly; the hook assembly comprises a hook, a bracket and a rotating shaft, the hook being mounted on the first mounting surface, the hook having a mounting groove, and two opposite groove walls of the mounting groove being respectively provided with upwardly opening card grooves, the bracket being mounted on the first end and its free end being inserted into the mounting groove, the rotating shaft being mounted on the free end of the bracket and its opposite ends being respectively rotatably connected to the two card grooves.

[0006] In some embodiments, the hook is disposed above the guide plate, and the rotating shaft is installed on the top of the first end through the bracket and is arranged close to the first mounting surface.

[0007] In some embodiments, the slot has a first slot wall and a second slot wall arranged opposite to each other, the second slot wall is located between the first slot wall and the first mounting surface, a first limiting portion extending toward the interior of the slot and used to limit the rotating shaft is provided at the free end of the first slot wall, and / or a second limiting portion extending toward the interior of the slot and used to limit the rotating shaft is provided in the middle of the second slot wall.

[0008] In some embodiments, the bracket includes a fixing plate and a spring sheet, the fixing plate is fixedly mounted on the top of the first end, the spring sheet is arranged above the fixing plate and its fixed end is fixedly connected to the fixing plate, and the free end of the spring sheet is inserted into the mounting groove and connected to the rotating shaft.

[0009] In some embodiments, the spring sheet is formed by cutting and separating a portion of one end of the fixing plate close to the hook from the fixing plate and then bending it upward.

[0010] In some embodiments, the free end of the spring sheet is provided with an axial hole for the rotating shaft to pass through, and the rotating shaft is transversely inserted into the axial hole and has an interference fit with the hole wall of the axial hole; or protrusions extending outward are integrally formed on two opposite side surfaces of the free end of the spring sheet, and the two protrusions together constitute the rotating shaft.

[0011] In some embodiments, the bracket includes a base and a connecting arm, the base is fixedly mounted on the top of the first end, the connecting arm is arranged above the base and its fixed end is fixedly connected to the base, and the free end of the connecting arm is inserted into the mounting groove and connected to the rotating shaft.

[0012] In some embodiments, the rotating shaft and the connecting arm are integrally formed, and the two are combined to form a "T" or "cross" shape.

[0013] In some embodiments, the smoke collecting hood has a smoke collecting cavity which is recessed inwardly and open downwardly, the rear cavity wall of the smoke collecting cavity constitutes the first mounting surface, the guide plate and the hook are both arranged in the smoke collecting cavity; and / or the hook is fastened to the first mounting surface by at least one connecting member.

[0014] In some embodiments, a snap-on assembly or a magnetic assembly is further included, and the smoke hood also has a second mounting surface, and the second mounting surface is detachably connected to the second end via the snap-on assembly or the magnetic assembly.

[0015] In some embodiments, an oil screen sink is provided at an outer edge of the air inlet, and at least a portion of the oil screen sink constitutes the second mounting surface.

[0016] According to the range hood provided above, it is implemented through the following technical solution: a range hood having a guide plate installation structure as described above.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] 1. The deflector installation structure of the utility model is to install a hook with a mounting groove on the smoke hood, and the opposite side walls of the mounting groove are respectively provided with a clamping groove, and the rotating shaft is installed on the deflector through a bracket, and the free end of the bracket is provided with a mounting groove, and the opposite ends of the rotating shaft are respectively rotatably connected with the two clamping grooves. The structure is simple, and the deflector can be reliably limited and fixed on the smoke hood, ensuring that the deflector is not easy to fall directly, and ensuring the safety of disassembly and assembly;

[0019] 2. By setting the hook above the guide plate and installing the bracket and the rotating shaft on the top of the first end of the guide plate, the entire hook assembly is hidden at the top of the guide plate and is not exposed on the outside or bottom of the guide plate, making the whole machine more beautiful and tidy. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the range hood in Example 1 of the utility model. Figure 1 ;

[0021] Figure 2 is a cross-sectional view of the range hood in Embodiment 1 of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the range hood in Example 1 of the utility model. Figure 2 ;

[0023] Figure 4 It is a structural schematic diagram of the hook in Embodiment 1 of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the guide plate assembly in Example 1 of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the guide plate assembly in Example 2 of the utility model.

[0026] In the figure: 1-smoke collecting hood, 10-smoke collecting chamber, 11-air inlet, 12-first mounting surface, 13-second mounting surface, 14-oil net sink; 2-guide plate, 21-first end, 211-oil leakage port, 22-second end; 31-hook, 310-threaded hole, 311-mounting groove, 312-card groove, 3121-first limiting part, 3122-second limiting part, 32-bracket, 321-fixing plate, 322-spring sheet, 323-base, 324-connecting arm, 33-rotating shaft; 41-male lock buckle, 42-female lock buckle. DETAILED DESCRIPTION

[0027] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0028] Example 1

[0029] refer to Figure 1-3 The present embodiment provides a guide plate mounting structure, comprising a smoke collecting hood 1, a guide plate 2 and a hook assembly (not shown in the figure). The smoke collecting hood 1 has a smoke collecting cavity 10 which is recessed inward and open downward, an air inlet 11 is arranged at the top of the smoke collecting cavity 10, and a rear cavity wall of the smoke collecting cavity 10 constitutes a first mounting surface 12.

[0030] The guide plate 2 is arranged in the smoke collecting chamber 10 and below the air inlet 11. The guide plate 2 has a first end 21 and a second end 22 arranged opposite to each other. In this embodiment, the first end 21 is the rear end or lower end of the guide plate 2, and the second end 22 is the front end or upper end of the guide plate 2. Further, in order to facilitate the discharge of oil stains on the guide plate 2 and prevent the guide plate 2 from accumulating oil, the guide plate 2 is arranged from back to front and tilted upward. In addition, at least one oil leakage port 211 is provided at the rear end of the guide plate 2, so as to facilitate the discharge of oil stains on the top of the guide plate 2 through the oil leakage port 211.

[0031] The first end 21 is detachably connected to the first mounting surface 12 via at least one hook assembly. In this embodiment, the first end 21 is detachably connected to the first mounting surface 12 via two hook assemblies so that the rear end of the guide plate 2 can be detachably mounted on the smoke hood 1 in a stably and reliably manner.

[0032] Further, the hook assembly includes a hook 31, a bracket 32 ​​and a rotating shaft 33. The hook 31 is arranged in the smoke collecting chamber 10 and above the guide plate 2. The hook 31 is detachably fixedly installed on the first mounting surface 12 by at least two connecting members (such as screws). The hook 31 has a mounting groove 311 facing forward and open at the bottom, so that the free end of the bracket 32 ​​can move through. The two opposite groove walls of the mounting groove 311 are respectively provided with upwardly open slots 312, so that the rotating shaft 33 can move through. The bracket 32 ​​is fixedly installed on the first end 21 and its free end is inserted into the mounting groove 311. The rotating shaft 33 is installed on the free end of the bracket 32 ​​and its opposite ends are respectively rotatably connected with the two slots 312, so that the rotating shaft 33 is stably and reliably inserted into the slot. The hook 31 can limit the rotating shaft 33 in the slot 312 and limit the free end of the bracket 32 ​​in the mounting groove 311. Therefore, by setting the hook 31, the bracket 32 ​​and the rotating shaft 33, the rotating shaft 33 is limited and fixed in the slot 312, and the free end of the bracket 32 ​​is limited and fixed in the installation slot 311, so that the guide plate 2 can be reliably suspended on the smoke hood, ensuring that the guide plate 2 will not automatically detach from the smoke hood downward, avoiding the guide plate 2 from falling directly, and ensuring the safety of disassembly and assembly.

[0033] Furthermore, the hook 31 is arranged above the guide plate 2, and the rotating shaft 33 is installed on the top of the first end 21 through the bracket 32 ​​and arranged close to the first mounting surface 12. In this way, the entire hook assembly is hidden at the top of the guide plate 2 and is not exposed on the outside or bottom of the guide plate 2, making the whole machine more beautiful and tidy.

[0034] refer to Figure 1-4 Furthermore, the hook 31 is in a "concave" shape that opens forward. Of course, the hook 31 can also be designed to be in a "∏" shape that opens forward. In this embodiment, the hook 31 includes a bottom plate and two side plates. The bottom plate is detachably fixedly mounted on the first mounting surface 12 and located above the guide plate 2 by at least two connecting members (such as screws). The two side plates are formed by the left and right ends of the bottom plate being integrally bent forward. The two side plates and the bottom plate are enclosed to form a mounting groove 311. Each side plate is in an "L" shape, including a transverse section and a vertical section that are fixedly connected. The end of the transverse section away from the bottom plate can be elastically deformed. A slot 312 that is recessed forward and opens upward is provided at the upper end of the transverse section. The slot 312 has a first slot wall and a second slot wall that are arranged oppositely. The second slot wall is located between the first slot wall and the first mounting surface 12. In this embodiment, the first slot wall is the front slot wall of the slot 312, and the second slot wall is the rear slot wall of the slot 312.

[0035] Furthermore, a first limiting portion 3121 is provided at the free end of the first groove wall, which extends toward the inside of the slot 312 and is used to limit the rotating shaft 33. In this way, the front end of the slot 312 is in a barb structure, which has a certain elastic deformation ability and is used to hook the rotating shaft 33 to prevent the guide plate 2 from rotating downward relative to the hook 31. The first limiting portion 3121 can reliably limit and fix the rotating shaft 33 in the slot 312, so that the guide plate 2 can be reliably suspended on the smoke hood, avoiding the rear end of the guide plate 2 from further rotating upward and rubbing and colliding with the smoke hood 1, ensuring that the guide plate 2 will not automatically detach from the smoke hood and fall directly, thereby ensuring the safety of disassembly and assembly.

[0036] A second limiting portion 3122 is provided in the middle of the second groove wall, extending toward the inside of the slot 312 and used for limiting the rotating shaft 33. In this way, the rear end of the slot 312 also presents a barb structure, which is used to hook the rotating shaft 33 to prevent the guide plate 2 from rotating upward relative to the hook 31. The second limiting portion 3122 can reliably limit and fix the rotating shaft 33 in the slot 312, preventing the guide plate 2 from rotating further upward, thereby ensuring the accuracy of the safe angle position.

[0037] refer to Figure 5 Furthermore, the bracket 32 ​​includes a fixing plate 321 and a spring piece 322. The fixing plate 321 is fixedly installed on the top of the first end 21 by bonding or welding, so that the fixing plate 321 and the guide plate 2 are connected as a whole, and the bonding or welding area of ​​the two is large, and the connection is firm and reliable. The spring piece 322 is arranged above the fixing plate 321 and its fixed end is fixedly connected to the fixing plate 321. In this embodiment, the spring piece 322 is formed by cutting and separating a part of one end of the fixing plate 321 close to the hook 31 from the fixing plate 321 and then bending upward, so as to facilitate rapid processing and forming, and at the same time, the spring piece 322 itself has elastic deformation ability, wider adaptability, and is conducive to improving service life.

[0038] The free end of the spring piece 322 is inserted into the mounting groove 311 and connected to the rotating shaft 33. In this embodiment, a shaft hole (not shown in the figure) for the rotating shaft 33 to pass through is provided at the free end of the spring piece 322. The rotating shaft 33 is transversely inserted into the shaft hole and has an interference fit with the hole wall of the shaft hole, so that the rotating shaft 33 can be reliably installed on the free end of the spring piece 322, and the spring piece 322 and the rotating shaft 33 are surrounded to form a "cross" shape. In other embodiments, protrusions extending outward can be integrally formed on the opposite sides of the free end of the spring piece 322, and in this case, the rotating shaft 33 is composed of two protrusions.

[0039] refer to Figure 1-3Furthermore, it also includes a snap-on component or a magnetic component. The smoke hood 1 also has a second mounting surface 13. The second mounting surface 13 and the second end 22 are detachably connected by at least one snap-on component. Of course, the second mounting surface 13 and the second end 22 can also be detachably connected by at least one magnetic component. In this way, the front end of the guide plate 2 can be stably and reliably detachably installed and fixed on the smoke hood 1.

[0040] Furthermore, an oil screen sinking platform 14 is provided at the outer edge of the air inlet 11, and at least a part of the oil screen sinking platform 14 constitutes a second mounting surface 13. In the present embodiment, the second mounting surface 13 can be constituted by the left and right side edges of the oil screen sinking platform 14, and of course, can also be constituted by the front side edge of the oil screen sinking platform 14.

[0041] In this embodiment, the second mounting surface 13 and the second end 22 are detachably connected via two snap-fit ​​components, each snap-fit ​​component includes a male lock buckle 41 and a female lock buckle 42, the male lock buckle 41 is mounted on the top of the second end 22, the female lock buckle 42 is mounted on the second mounting surface 13 and is engaged with the upper end of the male lock buckle 41. In this way, the front end of the guide plate 2 can be detachably mounted on the oil screen sink 14 by engaging the male lock buckle 41 and the female lock buckle 42, and the entire snap-fit ​​component is hidden at the top of the guide plate 2 and not exposed on the outside or bottom of the guide plate, making the whole machine more beautiful and tidy.

[0042] Combine the following Figure 1-2 To illustrate the disassembly and assembly working principle of the flow plate of this embodiment:

[0043] During installation, first insert the free end of the spring piece 322 on the bracket 32 ​​into the installation groove 311, and place the rotating shaft 33 set on the spring piece 322 into the two card grooves 312 of the hook 31. At this time, the hook 31 limits the left and right movement of the spring piece 322 on the bracket 32, and the hook 31 can limit the forward and backward movement of the rotating shaft 33. Figure 2 Then, the male lock buckle 41 on the guide plate 2 is buckled with the female lock buckle 42 on the smoke hood 1. When the guide plate 2 is installed in place, the two second limiting portions 3122 of the hook 31 can limit and fix the left and right ends of the rotating shaft 33 in the slot 312. Figure 2 , preventing the guide plate 2 from further rotating upward relative to the hook 31, ensuring the accuracy of the safety angle position, and making the performance consistency of the whole machine better.

[0044] When disassembling, first separate the male lock buckle 41 on the guide plate 2 from the female lock buckle 42 on the smoke hood 1, and use the two first limiting parts 3121 of the hook 31 to limit and fix the left and right ends of the rotating shaft 33 in the slot 312 to prevent the rear end of the guide plate 2 from further rotating upward and rubbing and colliding with the smoke hood 1; then move the bracket 32 ​​and the rotating shaft 33 away from the hook 31, and take out the guide plate 2 by pushing the guide plate forward and upward.

[0045] The present embodiment also provides a range hood, which has a guide plate mounting structure as described above. Through the guide plate mounting structure, on the one hand, the rear part of the guide plate 2 is fixedly placed on the rear side of the smoke collecting chamber of the smoke hood 1 without being exposed on the outside of the guide plate 2, making the whole machine neater; on the other hand, after the front end of the guide plate 2 is unlocked or separated from the smoke hood 1, the rear end of the guide plate 2 can be stably and reliably hung on the smoke hood 1 and is not easy to fall off directly, thereby improving the safety of disassembly and assembly.

[0046] Example 2

[0047] refer to Figure 6 The difference between this embodiment and the first embodiment is that the structure of the bracket 32 ​​is different. In this embodiment, the bracket 32 ​​includes a base 323 and a connecting arm 324. The base 323 is fixedly installed on the top of the first end 21. The base 323 can be detachable or non-detachable relative to the guide plate 2. The connecting arm 324 is arranged above the base 323 and its fixed end is fixedly connected to the base 323. In this embodiment, the base 323 and the fixed end of the connecting arm 324 are integrally formed. The free end of the connecting arm 324 is inserted into the mounting groove 311 backward and connected to the rotating shaft 33. At this time, the left and right outer side walls of the connecting arm 324 can be abutted or gap-matched with the two opposite groove walls of the mounting groove 311. In this way, the connecting arm 324 can be matched with the two opposite groove walls of the mounting groove 311 to limit the left and right movement of the connecting arm 324 in the mounting groove 311.

[0048] The rotating shaft 33 and the free end of the connecting arm 324 are integrally formed, and the two are combined to form a "T" or "cross" shape. In this embodiment, the rotating shaft 33 and the connecting arm 324 are combined to form a "T" shape.

[0049] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A guide plate installation structure, characterized in that: include: A smoke collecting hood (1) having an air inlet (11) and a first mounting surface (12); A deflector (2) is arranged below the air inlet (11), and has a first end (21) and a second end (22) arranged opposite to each other, wherein the first end (21) is detachably connected to the first mounting surface (12) via at least one hook assembly; The hook assembly comprises a hook (31), a bracket (32) and a rotating shaft (33); the hook (31) is mounted on the first mounting surface (12); the hook (31) has a mounting groove (311); two opposite groove walls of the mounting groove (311) are respectively provided with upwardly opening clamping grooves (312); the bracket (32) is mounted on the first end (21) and its free end is inserted into the mounting groove (311); the rotating shaft (33) is mounted on the free end of the bracket (32) and its opposite ends are respectively rotatably connected to the two clamping grooves (312).

2. A guide plate installation structure according to claim 1, characterized in that: The hook (31) is arranged above the guide plate (2), and the rotating shaft (33) is installed on the top of the first end (21) through the bracket (32) and is arranged close to the first installation surface (12).

3. A guide plate installation structure according to claim 1 or 2, characterized in that: The slot (312) comprises a first slot wall and a second slot wall which are arranged opposite to each other, the second slot wall being located between the first slot wall and the first mounting surface (12), a first limiting portion (3121) extending toward the inside of the slot (312) and used for limiting the rotation shaft (33) being provided at the free end of the first slot wall, and / or a second limiting portion (3122) extending toward the inside of the slot (312) and used for limiting the rotation shaft (33) being provided at the middle of the second slot wall.

4. A guide plate installation structure according to claim 1 or 2, characterized in that: The bracket (32) comprises a fixing plate (321) and a spring sheet (322); the fixing plate (321) is fixedly mounted on the top of the first end (21); the spring sheet (322) is arranged above the fixing plate (321) and its fixed end is fixedly connected to the fixing plate (321); the free end of the spring sheet (322) is inserted into the mounting groove (311) and connected to the rotating shaft (33).

5. A guide plate installation structure according to claim 4, characterized in that: The spring sheet (322) is formed by cutting and separating a portion of one end of the fixing plate (321) close to the hook (31) from the fixing plate (321) and then bending upward.

6. A guide plate installation structure according to claim 4, characterized in that: The free end of the spring piece (322) is provided with an axial hole for the rotating shaft (33) to pass through, and the rotating shaft (33) is transversely inserted into the axial hole and is interference-fitted with the hole wall of the axial hole; or Protrusions extending outwards are integrally formed on two opposite side surfaces of the free end of the spring sheet (322), and the two protrusions together constitute the rotating shaft (33).

7. A guide plate installation structure according to claim 1 or 2, characterized in that: The bracket (32) comprises a base (323) and a connecting arm (324); the base (323) is fixedly mounted on the top of the first end; the connecting arm (324) is arranged above the base (323) and a fixed end thereof is fixedly connected to the base (323); and the free end of the connecting arm (324) is inserted into the mounting groove (311) and connected to the rotating shaft (33).

8. The guide plate installation structure according to claim 7, characterized in that: The rotating shaft (33) and the connecting arm (324) are integrally formed, and the two are combined to form a "T" or "cross" shape.

9. A guide plate installation structure according to claim 1 or 2, characterized in that: The smoke collecting hood (1) has a smoke collecting cavity (10) which is recessed inwardly and open downwardly, the rear cavity wall of the smoke collecting cavity (10) constitutes the first mounting surface (12), the guide plate (2) and the hook (31) are both arranged in the smoke collecting cavity (10); and / or the hook (31) is fixedly connected to the first mounting surface (12) via at least one connecting member.

10. A guide plate installation structure according to claim 1 or 2, characterized in that: It also comprises a snap-on assembly or a magnetic assembly, and the smoke collecting hood (1) also comprises a second mounting surface (13), and the second mounting surface (13) and the second end (22) are detachably connected via the snap-on assembly or the magnetic assembly.

11. A guide plate installation structure according to claim 10, characterized in that: An oil screen sinking platform (14) is provided on the outer edge of the air inlet (11), and at least a portion of the oil screen sinking platform (14) constitutes the second mounting surface (13).

12. A range hood, characterized in that: A guide plate mounting structure as claimed in any one of claims 1 to 11.

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