Range hood with hinge structure
By adopting the design of the shaft connecting arm and connecting rod in the hinge structure of the range hood, combined with the use of limiting projections, the stability of the panel is solved when opening and closing, and panel damage caused by uneven stress is avoided.
Patent Information
- Application Number
- CN202421060240.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-05-15
AI Technical Summary
When the panel is opened and closed, the hinge structure of the existing range hood can easily cause the connection plate to detach from the panel or cause different stresses due to inconsistent movement, which will in turn damage the panel.
A hinge structure with a shaft connecting arm and a connecting rod is adopted, and the first connecting arm and the second connecting arm are axially connected to the smoke collecting hood main body and the panel to realize parallel movement of the panel, and the rotation angle of the connecting rod is defined by the limiting projection to ensure consistent movement.
It effectively avoids the problem of panel damage caused by different stresses caused by inconsistent movement, ensuring the stability and safety of the panel when opening and closing.
Smart Images

Figure CN222962663U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a range hood provided with a hinge structure. Background Art
[0002] Existing range hoods are widely used, and openable glass panels are often used. Such glass panels need to be connected by a reliable hinge to achieve opening and closing. Summary of the Utility Model
[0003] The utility model provides a range hood provided with a hinge structure, including a smoke collecting hood body of the range hood. The smoke collecting hood body is provided with an openable panel. A connecting hinge is arranged between the panel and the smoke collecting hood body. The connecting hinge is provided with a first connecting arm and a second connecting arm axially connected together. The first connecting arm is provided with a first connecting rod and a second connecting rod. The second connecting arm is provided with a third connecting rod and a fourth connecting rod. The smoke collecting hood body is respectively axially connected to the first connecting rod and the third connecting rod. The panel is respectively axially connected to the second connecting rod and the fourth connecting rod.
[0004] In one or more embodiments, the lengths of the first connecting rod and the second connecting rod are different, and the lengths of the third connecting rod and the fourth connecting rod are different.
[0005] In one or more embodiments, the lengths of the first connecting rod and the fourth connecting rod are the same, and the lengths of the second connecting rod and the third connecting rod are the same.
[0006] In one or more embodiments, the lengths of the first connecting rod and the fourth connecting rod are the same, the lengths of the second connecting rod and the third connecting rod are the same, and the length of the second connecting rod is less than the length of the first connecting rod.
[0007] In one or more embodiments, one of the second connecting rod or the fourth connecting rod has a limiting protrusion. The limiting protrusion limits the rotation angle between the first connecting rod and the second connecting rod, and the limiting protrusion limits the rotation angle between the third connecting rod and the fourth connecting rod.
[0008] In one or more embodiments, the limiting protrusion is close to the axial connection between the second connecting rod and the first connecting rod and extends outwards. The limiting protrusion cooperates with the edge of the first connecting rod to form a limit, or the limiting protrusion is close to the axial connection between the third connecting rod and the fourth connecting rod and extends outwards. The limiting protrusion cooperates with the edge of the third connecting rod to form a limit.
[0009] In one or more embodiments, the lengths of the first connecting arm and the second connecting arm are the same.
[0010] In one or more embodiments, the horizontal heights of the first connecting arm and the second connecting arm are different.
[0011] In one or more embodiments, a connecting plate is provided on the panel. One end of the connecting plate is fixedly connected to the mounting plate of the panel, and the other end is pivotally connected to the first connecting arm and the second connecting arm respectively.
[0012] Advantages of the present utility model: Through the first connecting arm and the second connecting arm, and the first connecting arm and the second connecting arm are pivotally connected to the smoke collecting hood main body and the panel respectively to realize the opening or closing of the panel, and the first connecting rod of the first connecting arm and the fourth connecting rod of the second connecting arm are pivotally connected to realize the parallel movement of the first connecting arm and the second connecting arm, ensuring that the first connecting arm and the second connecting arm move in unison during movement, avoiding the problem that the connecting plate detaches from the panel due to inconsistent movement of the first connecting arm and the second connecting arm or panel damage caused by different stresses due to inconsistent movement. Description of the Drawings
[0013] Figure 1 Schematic diagram of a range hood provided with a hinge structure.
[0014] Figure 2 Partial schematic diagram of a range hood provided with a hinge structure.
[0015] Figure 3 Schematic diagram of the connecting hinge structure Detailed Embodiments
[0016] The following further describes the solution of the present application in conjunction with the drawings:
[0017] See the appendix Figures 1-3 A range hood provided with a hinge structure includes a smoke collecting hood main body 1 of the range hood. The smoke collecting hood main body 1 is provided with an openable panel 2. A connecting hinge 3 is provided between the panel 2 and the smoke collecting hood main body 1. The connecting hinge 3 is provided with a first connecting arm 31 and a second connecting arm 32 pivotally connected together. The first connecting arm 31 is provided with a first connecting rod 311 and a second connecting rod 312. The second connecting arm 32 is provided with a third connecting rod 321 and a fourth connecting rod 322. The smoke collecting hood main body 1 is pivotally connected to the first connecting rod 311 and the third connecting rod 321 respectively. The panel 2 is pivotally connected to the second connecting rod 312 and the fourth connecting rod 322 respectively.
[0018] Further, the lengths of the first connecting rod 311 and the second connecting rod 312 are different, and the lengths of the third connecting rod 321 and the fourth connecting rod 322 are different.
[0019] Further, the lengths of the first connecting rod 311 and the fourth connecting rod 322 are the same, and the lengths of the second connecting rod 312 and the third connecting rod 321 are the same.
[0020] Further, the first link 311 and the fourth link 322 have the same length, the second link 312 and the third link 321 have the same length, and the length of the second link 312 is less than that of the first link 311.
[0021] Further, one of the second link 312 or the fourth link 322 has a limiting protrusion 33, and the limiting protrusion 33 defines the rotation angle between the first link 311 and the second link 312, and the limiting protrusion 33 defines the rotation angle between the third link 321 and the fourth link 322.
[0022] Further, the limiting protrusion 33 is close to the joint of the second link 312 and the first link 311 and protrudes outwards. The limiting protrusion 33 cooperates with the edge of the first link 311 to form a limit, or the limiting protrusion 33 is close to the joint of the third link 321 and the fourth link 322 and protrudes outwards. The limiting protrusion 33 cooperates with the edge of the third link 321 to form a limit.
[0023] Further, the first connecting arm 31 and the second connecting arm 32 have the same length.
[0024] Further, the horizontal heights of the first connecting arm 31 and the second connecting arm 32 are different.
[0025] Further, a connecting plate 34 is provided on the panel 2. One end of the connecting plate 34 is fixedly connected to the mounting plate 21 of the panel 2, and the other end is pivotally connected to the first connecting arm 31 and the second connecting arm 32 respectively. One end of the connecting plate 34 is adhesively connected, screwed or welded to the mounting plate 21, and the mounting plate 21 is adhesively connected, screwed or welded to the panel 2.
[0026] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0027] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0028] In the present utility model, unless otherwise clearly defined and limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.
[0030] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0031] The above preferred embodiments shall be regarded as illustrative examples of the implementation manners of the present application. All technical deductions, substitutions, improvements, etc. that are identical, similar to or based on the present application shall be regarded as within the protection scope of this patent.
Claims
1. A range hood provided with a hinge structure, characterized in that: It includes a smoke hood body of a range hood, the smoke hood body is provided with an openable panel, a connecting hinge is provided between the panel and the smoke hood body, the connecting hinge is provided with a first connecting arm and a second connecting arm axially connected together, the first connecting arm is provided with a first connecting rod and a second connecting rod, the second connecting arm is provided with a third connecting rod and a fourth connecting rod, the smoke hood body is axially connected to the first connecting rod and the third connecting rod respectively, and the panel is axially connected to the second connecting rod and the fourth connecting rod respectively.
2. The range hood with a hinge structure according to claim 1, characterized in that: The first connecting rod and the second connecting rod have different lengths, and the third connecting rod and the fourth connecting rod have different lengths.
3. The range hood with a hinge structure according to claim 2, characterized in that: The first connecting rod and the fourth connecting rod have the same length, and the second connecting rod and the third connecting rod have the same length.
4. The range hood with a hinge structure according to claim 2, characterized in that: The first connecting rod and the fourth connecting rod have the same length, the second connecting rod and the third connecting rod have the same length, and the length of the second connecting rod is smaller than that of the first connecting rod.
5. The range hood with a hinge structure according to claim 1, characterized in that: A limiting protrusion is provided in the second connecting rod or the fourth connecting rod, and the limiting protrusion limits the rotation angle between the first connecting rod and the second connecting rod, and the limiting protrusion limits the rotation angle between the third connecting rod and the fourth connecting rod.
6. The range hood with a hinge structure according to claim 5, characterized in that: The limiting protrusion is close to the axial connection between the second connecting rod and the first connecting rod and extends outward, and the limiting protrusion cooperates with the edge of the first connecting rod to form a limit, or the limiting protrusion is close to the axial connection between the third connecting rod and the fourth connecting rod and extends outward, and the limiting protrusion cooperates with the edge of the third connecting rod to form a limit.
7. The range hood with a hinge structure according to claim 1, characterized in that: The first connecting arm and the second connecting arm have the same length.
8. The range hood with a hinge structure according to claim 1, characterized in that: The first connecting arm and the second connecting arm have different horizontal heights.
9. The range hood with a hinge structure according to claim 1, characterized in that: The panel is provided with a connecting plate, one end of which is fixedly connected to the mounting plate of the panel, and the other end of which is axially connected to the first connecting arm and the second connecting arm respectively.