Downward air intake range hood

Abstract

A down-inlet range hood comprises a housing, a fan, an air outlet, an oil net, an oil cup, an upper glass panel and a lower glass panel. The housing comprises a top plate, a bottom plate, a side plate, a back plate and a front inclined panel. The front inclined panel is provided with an oil smoke collecting hole. The air outlet is arranged on the top plate of the housing. The oil cup is detachably matched with the bottom plate of the housing. The oil net is matched with the oil smoke collecting hole. The upper glass panel is fixedly connected with the upper part of the front inclined panel, and the lower glass panel is movably matched with the lower part of the front inclined panel. In a static state, the lower glass panel is fitted with the lower part of the front inclined panel, and the upper end is opposite to the lower end of the upper glass panel. In a working state, the middle and upper part of the lower glass panel is opposite to the upper glass panel, and there is a gap between the lower glass panel and the upper glass panel. Due to the use of such a structure, when switching from a static state to a working state, the lower glass panel moves forward and then upward to open the smoke inlet. The smoke inlet is close to the pot body and has a strong suction force, thereby achieving clean smoking and preventing smoke from escaping.

Description

Technical Field

[0001] The invention relates to a range hood, in particular to a side-suction range hood. Background Art

[0002] The existing technology at present is a side-suction range hood, including a casing, a fan, an air outlet, an oil net, an oil cup, an upper glass panel and a lower glass panel. The casing includes a top plate, a bottom plate, a side plate, a back plate and a front inclined panel. The front inclined panel is provided with an oil smoke collecting hole; the air outlet is provided on the top plate of the casing, and the oil cup is detachably matched with the bottom plate of the casing; the oil net is matched with the oil net mounting hole; the lower glass panel is fixedly connected to the lower part, and the upper end of the upper glass panel is pivotally connected to the casing. When working, the upper glass panel flips a certain angle. The existing problem is that the smoke inlet is far away from the pot, and there is a phenomenon of poor suction and smoke leakage. Summary of the invention

[0003] The purpose of the present invention is to provide a down-wind range hood, which has the characteristics of a smoke inlet being close to a cooker and having a strong smoke extraction capability.

[0004] The present invention is implemented as follows: a down-inlet range hood comprises a housing, a fan, an air outlet, an oil net, an oil collecting cup, an upper glass panel and a lower glass panel, the housing comprises a top panel, a bottom panel, a side panel, a back panel and a front inclined panel, the front inclined panel is provided with an oil fume collecting hole; the air outlet is provided on the top panel of the housing, the oil collecting cup is detachably matched with the bottom panel of the housing; the oil net is matched with the oil fume collecting hole; the special feature is that: the upper glass panel is fixedly connected with the upper part of the front inclined panel, and the lower glass panel is movably matched with the lower part of the front inclined panel;

[0005] In the static state, the lower glass panel is in contact with the lower part of the front inclined panel, and the upper end is opposite to the lower end of the upper glass panel;

[0006] In working state, the upper middle part of the lower glass panel is opposite to the upper glass panel, and there is a gap between the lower glass panel and the upper glass panel.

[0007] The special feature of the bottom-inlet range hood is that two guide holes are provided on the oil net;

[0008] It also includes a motor with a reducer, two support seats, an active arm, a driven arm, a transmission rod and two four-bar transmission mechanisms.

[0009] The support seat comprises a fixed seat plate and a supporting seat plate;

[0010] The support base is symmetrically arranged on the left and right sides, and the fixed seat plates are fixedly connected to the back plates respectively. The reducer of the motor is fixed to the support seat plate of the left support base, the active arm is fixedly connected to the output shaft of the reducer, and the other end is pivotally connected to the driven arm, a four-bar mechanism is connected to the support seat plate on the left side, and is pivotally connected to the pivot seat on the left side of the lower glass panel through a guide hole, and another four-bar mechanism is connected to the support seat plate of the right support base, and is pivotally connected to the pivot seat on the right side of the lower glass panel through another guide hole; the transmission rod is fixedly connected to the driven arm and the four-bar mechanism.

[0011] The down-inlet range hood is special in that: the four-bar mechanism comprises a first straight bar, a first angle bar, a second angle bar and a second straight bar, the end of the first straight bar is connected to the straight arm of the first angle bar, one end of the first straight bar is provided with a fixing hole, and the other end is provided with a pivot hole; the upper end of the first straight arm of the first angle bar and the middle part of the first hook arm are provided with hinge holes, and the end of the first hook arm is provided with a pivot hole; the upper end of the second straight arm of the second angle bar is provided with a hinge hole, and the middle part of the second hook arm of the second angle bar is provided with a hinge hole and the end is provided with a pivot hole;

[0012] One end of the second straight rod is hinged to the hinge hole of the first hook arm, and the other end is hinged to the hinge hole of the second hook arm; the first straight rod is pivotally connected to the support seat plate, and the hinge hole of the first straight arm and the hinge hole of the second straight arm are rotatably matched with the fixed axis on the support seat plate; the first hook arm and the second hook arm are pivotally connected to the pivot seat;

[0013] The transmission rod is fixedly connected to the first straight rod.

[0014] The invention discloses a bottom-inlet range hood. Due to the structure, when switching from a static state to a working state, the lower glass panel moves forward and then upward to open the smoke inlet. The smoke inlet is close to the pot body and has a strong suction force, thereby achieving clean smoking and preventing smoke leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereogram of the present invention when it is static.

[0016] Figure 2 It is a three-dimensional diagram of the working state of the present invention.

[0017] Figure 3 It is a cross-sectional view of the present invention when it is static.

[0018] Figure 4 It is the left side view of the working state of the present invention.

[0019] Figure 5 It is a three-dimensional diagram of the cooperation between the four-bar mechanism of the present invention and the lower glass panel.

[0020] Figure 6 It is one of the three-dimensional diagrams of the four-bar mechanism of the present invention.

[0021] Figure 7 It is the second stereogram of the four-bar mechanism of the present invention.

[0022] Figure 8 It is the third stereogram of the four-bar mechanism of the present invention.

[0023] Fig. 9 It is the fourth stereogram of the four-bar mechanism of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like Figure 1 , Figure 3 As shown, a down-air intake range hood comprises a casing 1, a fan 2, an air outlet 3, an oil net 4, an oil collecting cup 5, an upper glass panel 61 and a lower glass panel 61, wherein the casing 1 comprises a top plate, a bottom plate, a side plate, a back plate and a front inclined panel, and the front inclined panel is provided with an oil fume collecting hole; the air outlet 3 is arranged on the top plate of the casing 1, the oil collecting cup 5 is detachably matched with the bottom plate of the casing 1, and an oil drain hole is provided on the bottom plate corresponding to the upper opening of the oil collecting cup 5; the oil net 4 is fixedly connected to the front inclined panel of the casing 1 and corresponds to the oil fume collecting hole.

[0026] The upper glass panel 61 is fixedly connected to the upper part of the front inclined panel, and the lower glass panel 62 is movably matched with the lower part of the front inclined panel;

[0027] In the static state, the lower glass panel 62 is in contact with the lower portion of the front inclined panel 61, and the upper end is opposite to the lower end of the upper glass panel 61;

[0028] like Figure 2 , Figure 4 As shown, in the working state, the middle and upper part of the lower glass panel 62 is opposite to the upper glass panel 61, and there is a gap between the lower glass panel 61 and the upper glass panel 61;

[0029] When switching from the static state to the working state, the lower glass panel 62 moves forward and then upward.

[0030] The oil screen 4 is provided with two guide holes;

[0031] It also includes a motor 7 with a reducer, two support seats 8, an active arm 91, a driven arm 92, a transmission rod 11 and two four-bar transmission mechanisms.

[0032] The support seat 8 includes a fixed seat plate 81 and a support seat plate 82, and the fixed seat plate 81 and the support seat plate 82 are perpendicular;

[0033] The support seat 8 is symmetrically arranged on the left and right sides, and the fixed seat plates 81 are fixedly connected to the back plates of the casing 1 respectively. The reducer of the motor 7 is fixed on the support seat plate 82 of the left support seat 8. The active arm 91 is fixedly connected to the output shaft of the reducer and the other end is pivotally connected to the driven arm 92. A four-bar mechanism is connected to the support seat plate 82 on the left side and is pivotally connected to the pivot seat 12 on the left side of the lower glass panel 62 through the guide hole on the oil net 4. Another four-bar mechanism is connected to the support seat plate 82 of the right support seat 8 and is pivotally connected to the pivot seat 12 on the right side of the lower glass panel 62 through another guide hole; the transmission rod 11 is fixedly connected to the driven arm 92 and the four-bar mechanism.

[0034] The four-bar mechanism comprises a first straight bar 13, a first angle bar 14, a second angle bar 15 and a second straight bar 16. The end of the first straight bar 13 is connected to the straight arm 141 of the first angle bar 14. One end of the first straight bar 13 is provided with a fixing hole fixed to the transmission rod 11, and the other end is provided with a pivot hole; the upper end of the first straight arm 141 of the first angle bar 14 and the middle part of the first hook arm 142 are provided with hinge holes, and the end of the first hook arm 142 is provided with a pivot hole; the upper end of the second straight arm 151 of the second angle bar 15 is provided with a hinge hole, and the middle part of the second hook arm 152 of the second angle bar 15 is provided with a hinge hole and a pivot hole at the end;

[0035] One end of the second straight rod 16 is hinged to the hinge hole of the first hook arm 142, and the other end is hinged to the hinge hole of the second hook arm 152; the first straight rod 13 is pivoted to the support seat plate 82, and the hinge hole of the first straight arm 141 and the hinge hole of the second straight arm 151 are rotatably matched with the fixed axis on the support seat plate 82; the first hook arm 142 and the second hook arm 152 are pivoted to the pivot seat 12;

[0036] The transmission rod 11 is fixedly connected to the first straight rod 13; the first angle rod 14 and the second angle rod 15 are slidably matched with the guide hole.

[0037] like Figure 4 As shown, in the working state, the first hook arm 142 and the second hook arm 152 are parallel to the front inclined panel of the housing.

[0038] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims

1. A down-inlet range hood, comprising a housing, a fan, an air outlet, an oil net, an oil collecting cup, an upper glass panel and a lower glass panel, wherein the housing comprises a top panel, a bottom panel, a side panel, a back panel and a front inclined panel, and an oil collecting hole is provided on the front inclined panel; the air outlet is provided on the top panel of the housing, and the oil collecting cup is detachably matched with the bottom panel of the housing; the oil net is matched with the oil collecting hole; the characteristics are as follows: The upper glass panel is fixedly connected to the upper part of the front inclined panel, and the lower glass panel is movably matched to the lower part of the front inclined panel; In the static state, the lower glass panel is in contact with the lower part of the front inclined panel, and the upper end is opposite to the lower end of the upper glass panel; In working state, the middle and upper part of the lower glass panel is opposite to the upper glass panel, and there is a gap between the lower glass panel and the upper glass panel; The oil net is provided with two guide holes; It also includes a motor with a reducer, two support seats, an active arm, a driven arm, a transmission rod and two four-bar transmission mechanisms. The support seat comprises a fixed seat plate and a supporting seat plate; The support base is symmetrically arranged on the left and right sides, the fixed base plates are fixedly connected to the back plates respectively, the reducer of the motor is fixed to the support base plate of the left support base, the active arm is fixedly connected to the output shaft of the reducer, and the other end is pivotally connected to the driven arm, a four-bar mechanism is connected to the support base plate on the left side, and is pivotally connected to the pivot seat on the left side of the lower glass panel through a guide hole, another four-bar mechanism is connected to the support base plate of the right support base, and is pivotally connected to the pivot seat on the right side of the lower glass panel through another guide hole; the transmission rod is fixedly connected to the driven arm and the four-bar mechanism; The four-bar mechanism comprises a first straight bar, a first angle bar, a second angle bar and a second straight bar, the end of the first straight bar is connected to the straight arm of the first angle bar, one end of the first straight bar is provided with a fixing hole, and the other end is provided with a pivot hole; the upper end of the first straight arm of the first angle bar and the middle part of the first hook arm are provided with hinge holes, and the end of the first hook arm is provided with a pivot hole; the upper end of the second straight arm of the second angle bar is provided with a hinge hole, and the middle part of the second hook arm of the second angle bar is provided with a hinge hole and the end is provided with a pivot hole; One end of the second straight rod is hinged to the hinge hole of the first hook arm, and the other end is hinged to the hinge hole of the second hook arm; the first straight rod is pivotally connected to the support seat plate, and the hinge hole of the first straight arm and the hinge hole of the second straight arm are rotatably matched with the fixed axis on the support seat plate; the first hook arm and the second hook arm are pivotally connected to the pivot seat; The transmission rod is fixedly connected to the first straight rod; The transmission rod is fixedly connected to the first straight rod; the first angle rod and the second angle rod are slidably matched with the guide hole; In the working state, the first hook arm and the second hook arm are parallel to the front inclined panel of the casing.

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