CN210861238U

CN210861238U - Side-draft range hood

Info

Publication number: CN210861238U
Application number: CN201920646163.5U
Authority: CN
Inventors: 杨伟刚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-06-26
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a formula range hood is inhaled to side, including casing (1) and panel (2) of setting in casing (1) front side, air intake (21) have been seted up on panel (2), with keep off cigarette board (3) of air intake (21) size adaptation rotate through bent axle (4) and articulate in the upper end of air intake (21), be provided with drive bent axle (4) action in the inboard of panel (2), make keep off actuating mechanism that cigarette board (3) opened or closed in air intake (21) department, its characterized in that: a linear guide rail assembly (6) is arranged between the crankshaft (4) and the driving mechanism, and the linear guide rail assembly (6) comprises two parts which slide relatively and are respectively connected with the output ends of the crankshaft (4) and the driving mechanism. Compared with the prior art, the utility model has the advantages of: the linear guide rail assembly can bear certain torque when sliding in a reciprocating mode, realizes linear motion with high precision under the condition of high load, and is small in size, convenient to machine, high in stability, small in motion abrasion and low in failure rate.

Description

Side-draft range hood

Technical Field

The utility model belongs to the technical field of kitchen appliances and specifically relates to a formula range hood is inhaled to side.

Background

Among the current side suction type range hood, the scheme that the part can adopt to rotate to drive link mechanism and open, close the cigarette board by the motor, chinese utility model as application number 201320552890.8 discloses a complete machine panel structure with the automatic switching structure of cigarette board, the both sides of complete machine panel including cigarette board and the division of having the air intake are equipped with respectively and make cigarette board pivoted initiative structure and driven structure, initiative structure including set up in first pivot bearing on the complete machine panel, cigarette board and cigarette board support relatively fixed, cigarette board support downside is connected with first pivot bearing through first pivot, and cigarette board support upside passes through the second pivot and is connected with first long connecting rod, and first long connecting rod passes through the third pivot and is connected with the motor connecting rod, and the motor connecting rod is connected with the motor pivot, motor drive motor pivot.

The connecting rod mechanism needs more hinge shaft connections, so the design is more complex; the sensitivity of the motion rule of the mechanism to manufacturing and mounting errors is high, so that the stability is poor and the working efficiency is low; inertia force generated by complex motion of the mechanism is difficult to balance, and larger vibration and dynamic load are easy to cause; if the precision is not enough, the problems that the smoke baffle cannot be completely closed or the opening angle is not enough and the like can be caused; when the motor fails, the smoke baffle is suddenly closed in an open state due to poor self-locking performance of the whole mechanism, so that potential safety hazards are caused; when the smoke baffle is completely opened or suddenly opened or closed, the motor rotating shaft is stressed, the heat effect of a motor coil is obvious, the motor is easy to burn out, and the system failure rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the not enough side that exists to above-mentioned prior art provides a mechanism simply, high stability, precision height, fault rate low inhales formula range hood.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a formula range hood is inhaled to side, includes the casing and sets up the panel in the casing front side, seted up the air intake on the panel, with the cigarette board that keeps off of air intake size adaptation passes through the bent axle and rotates the upper end that articulates at the air intake, is provided with drive crankshaft action, makes the actuating mechanism that keeps off the cigarette board and open or close in air intake department, its characterized in that in the inboard of panel: and a linear guide rail assembly is arranged between the crankshaft and the driving mechanism, and comprises two parts which slide linearly relatively and are respectively connected with the output ends of the crankshaft and the driving mechanism.

Two parts of the linear guide rail assembly which slide relatively are respectively a slide rail fixedly connected with the output end of the driving mechanism and a slide block rotationally connected with the crankshaft, the slide block is in sliding connection with the slide rail, and the output end is connected to one side of the slide rail, which is far away from the slide block.

In order to facilitate the sliding of the sliding block guided by the sliding rail and avoid the sliding block from being separated from the sliding rail, the sliding block comprises a sliding block body, a sliding groove which is formed by sinking one surface of the sliding block body facing the sliding rail towards the direction far away from the sliding rail and extends in the length direction is formed, and guide blocks are respectively formed at the positions, close to the sliding rail, of the sliding groove and protrude from the two sides in the width direction towards the middle; the slide rail includes the base member, sets up at the base member towards the track of slider one side, is close to the position of slider at the track, respectively to the outstanding lug that forms in the both sides on the width direction, form the guide way between lug and the base member, the guide block can be blocked in the guide way.

The bent axle is including rotation portion and promotion portion, the one end of rotation portion is articulated with the inboard of air intake upper end department panel, the other end of rotation portion links to each other with one of them one end of promotion portion, promotion portion is to the outstanding arc of casing internal bend, promotion portion rotates with the slider with the junction of rotation portion to be connected, the one end that rotation portion was kept away from to promotion portion links to each other with the cigarette board.

Preferably, the driving mechanism is an electric push rod which drives the worm and gear mechanism by positive and negative rotation of the motor to realize reciprocating motion of the output end.

Compared with the prior art, the utility model has the advantages of: the worm wheel linear guide rail assembly can bear certain torque when reciprocating sliding, realizes high-precision linear motion under the condition of high load, is easy to realize in the aspect of meeting the design of the opening and closing angle of the smoke baffle, has high control precision and motion sensitivity, and can be adjusted according to the installation position. The linear guide rail assembly is small in size, convenient to machine, high in stability, small in motion abrasion and low in failure rate.

Drawings

Fig. 1 is a schematic view of a side-draft range hood according to an embodiment of the present invention;

fig. 2 is a schematic view of a panel closed state of the side-suction range hood according to the embodiment of the present invention;

fig. 3 is a cross-sectional view of the panel of the side-suction range hood according to the embodiment of the present invention in a closed state;

fig. 4 is a schematic view of a panel of the side-suction range hood according to the embodiment of the present invention in a fully opened state;

fig. 5 is a cross-sectional view of the side-suction range hood according to the embodiment of the present invention in a state where the panel is completely opened;

fig. 6 is a schematic view (front view) of a crankshaft, an electric push rod and a linear guide rail assembly of the side-draft range hood according to the embodiment of the present invention;

fig. 7 is a schematic view (back side) of a crankshaft, an electric push rod and a linear guide rail assembly of the side-draft range hood according to the embodiment of the present invention;

fig. 8 is a cross-sectional view of the linear guide rail assembly of the side-suction range hood according to the embodiment of the present invention;

fig. 9 is an exploded schematic view of the linear guide rail assembly of the side-suction range hood according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 5, a side-draft range hood includes a housing 1 and a panel 2 disposed at the front side of the housing 1.

An air inlet 21 is formed in the panel 2, and a smoke baffle 3 matched with the air inlet 21 in size is rotatably hinged to the upper end of the air inlet 21 through a crankshaft 4. A driving mechanism for driving the crankshaft 4 to move so as to open or close the smoke barrier 3 at the air inlet 21 is disposed inside the panel 2, preferably, an electric push rod 5, although other driving mechanisms capable of outputting linear motion may be selected.

Referring to fig. 6 to 7, a linear guide assembly 6 is disposed between the crankshaft 4 and the electric push rod 5, the linear guide assembly 6 includes two parts which slide relatively and are respectively connected with the crankshaft 4 and the output end 51 of the electric push rod 5, a slide rail 61 fixedly connected with the output end 51 of the electric push rod 5 and a slide block 62 rotatably connected with the crankshaft 4, the slide block 62 is slidably connected with the slide rail 61, and the output end 51 is connected to one side of the slide rail 61 far away from the slide block 62. The sliding track of the linear guide rail assembly 6 is arranged at an angle with the output end 51 of the electric push rod 5, and in this embodiment, the sliding track of the linear guide rail assembly 6 is arranged perpendicular to the output end 51 of the electric push rod 5.

Referring to fig. 8 and 9, the slider 62 includes a slider body 621, a sliding groove 622 formed by recessing the slider body 621 toward a direction away from the slide rail 61 and extending in the longitudinal direction, and guide blocks 623 formed at positions of the sliding groove 622 close to the slide rail 61 and protruding from both sides (both sides in the width direction of the sliding groove 622 and perpendicular to the sliding direction) toward the middle. The slide rail 61 comprises a base body 611 and a rail 612 arranged on one side of the base body 611 facing the slide block 62, and the output end of the electric push rod 5 is connected with the base body 61. Projections 613 are formed at positions of the rail 612 close to the slider 62 so as to project on both sides (both sides in the width direction of the rail 612), respectively, whereby a guide groove 614 is formed between the projections 613 and the base 611, and the guide blocks 623 can be caught in the guide groove 614, so that the slide rail 61 can guide the sliding of the slider 62 while avoiding the slider 62 from being detached from the slide rail 61. The slide block 62 is movable in a longitudinal direction extending the slide rail 61.

Referring to fig. 3 and 5, the crankshaft 4 includes a rotating portion 41 and a pushing portion 42, one end of the rotating portion 41 is hinged to the inner side of the panel 2 at the upper end of the air inlet 21, the other end of the rotating portion 41 is connected to one end of the pushing portion 42, the pushing portion 42 is in an arc shape protruding in a curved manner into the housing 1, the connection portion of the pushing portion 42 and the rotating portion 41 is rotatably connected to the slider 62, and one end of the pushing portion 42 away from the rotating portion 41 is connected to the smoke barrier 3.

Referring to fig. 3, in a state that the smoke barrier 3 is closed, the output end 51 of the electric push rod 5 contracts toward the body direction of the electric push rod 5, so as to drive the linear guide rail assembly 6 to move toward the body direction of the electric push rod 5, at this time, the slider 62 of the linear guide rail assembly 6 slides toward the front side direction of the panel 2 on the slide rail 61, and drives the crankshaft 4 to rotate toward the front side direction of the panel 2 relative to the hinged position of the crankshaft 4 at the upper end of the air inlet 21 and on the inner side of the panel 2, so that the smoke barrier 3, which is disposed on the pushing portion 42 of the crankshaft 4 and is far away from one end of the rotating portion 41, is turned toward the front side of the panel 2, thereby opening.

Referring to fig. 5, in the state that the smoke barrier 3 is opened, the output end 51 of the electric push rod 5 moves towards the body direction far away from the electric push rod 5, and drives the linear guide rail assembly 6 to move towards the body direction far away from the electric push rod 5, at this time, the slider 62 of the linear guide rail assembly 6 slides towards the rear side direction of the panel 2 on the slide rail 61, and drives the crankshaft 4 to rotate towards the rear side direction of the panel 2 relative to the crankshaft 4 at the upper end of the air inlet 21 and the hinged position on the inner side of the panel 2, so that the smoke barrier 3 arranged on the pushing portion 42 of the crankshaft 4 and far away from one end of the rotating portion 41 overturns towards the rear side of the panel 2, and the smoke barrier 3 is closed.

The electric push rod 5 drives the worm gear mechanism by utilizing the positive and negative rotation of the motor to realize the reciprocating telescopic motion of the output end 51, the reliable overload protection and self-locking functions are realized under the opening state of the smoke baffle 3, the motor runs normally as usual, the motor cannot be burnt, and the failure rate is low. The electric push rod 5 is small in size, small in installation space, low in noise and more environment-friendly.

The linear guide rail assembly 6 can bear certain torque during reciprocating sliding, realizes high-precision linear motion under the condition of high load, is easy to realize in the aspect of meeting the design of the opening and closing angle of the smoke baffle 3, has high control precision and motion sensitivity, and can be adjusted according to the installation position. The linear guide rail assembly 6 is small in size, convenient to machine, high in stability, small in motion abrasion and low in failure rate.

In this embodiment, the maximum opening angle of the smoke barrier 3 is 119 °, the stroke of the output end 51 of the electric push rod 5 is 65.37mm, and the stroke of the slider 62 is 42.11 mm. The parameters of the motion mechanism can be adjusted according to the specific performance parameters and structural parameters of the range hood.

Claims

1. The utility model provides a formula range hood is inhaled to side, includes casing (1) and panel (2) of setting in casing (1) front side, air intake (21) have been seted up on panel (2), with keep off cigarette board (3) of air intake (21) size adaptation rotate through bent axle (4) and articulate the upper end at air intake (21), be provided with drive bent axle (4) action, make and keep off actuating mechanism that cigarette board (3) opened or closed in air intake (21) department in the inboard of panel (2), its characterized in that: a linear guide rail assembly (6) is arranged between the crankshaft (4) and the driving mechanism, and the linear guide rail assembly (6) comprises two parts which slide linearly relative to each other and are respectively connected with the output ends of the crankshaft (4) and the driving mechanism.

2. The side draft range hood according to claim 1, wherein: two relative sliding parts of the linear guide rail assembly (6) are respectively a sliding rail (61) fixedly connected with the output end of the driving mechanism and a sliding block (62) rotatably connected with the crankshaft (4), the sliding block (62) is in sliding connection with the sliding rail (61), and the output end is connected to one side, away from the sliding block (62), of the sliding rail (61).

3. The side draft range hood according to claim 2, wherein: the sliding block (62) comprises a sliding block body (621), a sliding groove (622) which is formed by the sliding block body (621) towards one surface of the sliding rail (61) and is recessed towards the direction far away from the sliding rail (61) and extends in the length direction, and guide blocks (623) are formed at the positions, close to the sliding rail (61), of the sliding groove (622) and protrude towards the middle from two sides in the width direction respectively; the sliding rail (61) comprises a base body (611) and a rail (612) arranged on one side of the base body (611) facing the sliding block (62), wherein a protruding block (613) is formed at the position, close to the sliding block (62), of the rail (612) and protrudes towards two sides in the width direction, a guide groove (614) is formed between the protruding block (613) and the base body (611), and the guide block (623) can be clamped into the guide groove (614).

4. The side draft range hood according to claim 2, wherein: bent axle (4) are including rotation portion (41) and promotion portion (42), the one end of rotation portion (41) is articulated with the inboard of air intake (21) upper end department panel (2), the other end of rotation portion (41) links to each other with one of them end of promotion portion (42), promotion portion (42) are to casing (1) interior bending outstanding arc, promotion portion (42) rotate with slider (62) with the junction of rotation portion (41) and are connected, the one end that rotation portion (41) were kept away from in promotion portion (42) links to each other with cigarette board (3).

5. The side draft range hood according to any one of claims 1 to 4, wherein: the driving mechanism is an electric push rod (5) which drives the worm gear mechanism by positive and negative rotation of the motor and realizes reciprocating motion of an output end.