阅读说明：本技术 一种用于调节燃气灶具支架高度的机构 (Mechanism for adjusting height of gas stove support ) 是由 董健 杨仁川 胡光辉 赵逸平 卞银波 胡建良 潘新科 张王明 郭有海 于 2021-07-19 设计创作，主要内容包括：一种用于调节燃气灶具支架高度的机构,包括设置在底座上的电机驱动装置和一对导轨,导轨上设有可沿导轨做水平运动的推板装置,电机驱动装置驱动连接推板装置；推板装置的上方设有支撑座,支撑座上设有可沿支撑座做竖直运动的小车滑轮装置,小车滑轮装置从动于推板装置；小车滑轮装置上设有支撑轴,四个支撑轴分别支撑连接在灶具支架的底部四角处。本发明结构简单,可以轻松的改变灶具支架的高度,在不同的挡位下,可以控制锅架到火焰和燃烧器之间的距离,从而可以达到最适合的火焰接触面积加热锅具,降低了烟气对外界的辐射散热损失,增加热效率。(A mechanism for adjusting the height of a gas cooker support comprises a motor driving device and a pair of guide rails, wherein the motor driving device and the pair of guide rails are arranged on a base; a supporting seat is arranged above the push plate device, a trolley pulley device capable of vertically moving along the supporting seat is arranged on the supporting seat, and the trolley pulley device is driven by the push plate device; and the trolley pulley device is provided with support shafts, and the four support shafts are respectively supported and connected at four corners of the bottom of the stove support. The invention has simple structure, can easily change the height of the cooker bracket, and can control the distance between the pot bracket and the flame and the burner under different gears, thereby reaching the most suitable flame contact area to heat the cooker, reducing the radiation heat dissipation loss of smoke to the outside and increasing the heat efficiency.)

1. A mechanism for adjusting gas cooking utensils support height which characterized in that: the device comprises a motor driving device and a pair of guide rails (12) which are arranged on a base (11), wherein a push plate device which can horizontally move along the guide rails is arranged on the guide rails (12), and the motor driving device is connected with the push plate device in a driving way; a supporting seat (3) is arranged above the push plate device, a trolley pulley device (2) capable of vertically moving along the supporting seat (3) is arranged on the supporting seat (3), and the trolley pulley device (2) is driven by the push plate device; the trolley pulley device (2) is provided with support shafts (5), and the four support shafts (5) are respectively connected to the four corners of the bottom of the stove bracket (4) in a supporting manner;

the pair of guide rails (12) are arranged on the base (11), and a motor driving device is arranged between the guide rails (12); the motor driving device comprises a motor (9), an output shaft of the motor (9) is connected with one end of a screw rod (6) through a coupler (10), the other end of the screw rod (6) is connected with an encoder (7), the encoder (7) is electrically connected with a computer, and the computer is electrically connected with the motor (9); the screw rod (6) is parallel to the guide rails (12) and is positioned between the pair of guide rails (12), and a push plate device is arranged on the guide rails (12);

the push plate device comprises a push plate (8) and four wedge-shaped sliding blocks (1), every two wedge-shaped sliding blocks (1) are arranged on the guide rail (12) in a sliding mode, and the inclined directions of the inclined surfaces of the two wedge-shaped sliding blocks (1) in each group are the same; the two groups of wedge-shaped sliding blocks (1) are connected together through a push plate (8), a copper nut (13) is arranged on the push plate (8), and the copper nut (13) is in threaded connection with the screw rod (6); a supporting seat (3) is arranged above each wedge-shaped sliding block (1);

the supporting seat (3) comprises an inverted U-shaped supporting frame, vertical supporting seat guide rails (33) are arranged on two sides of the supporting frame, and a linear bearing (32) is arranged on the top surface of the supporting frame; the trolley pulley device (2) comprises an inverted U-shaped trolley support (25), a trolley fixing shaft (23) penetrates through the middle of the trolley support (25), a positioning rubber ring (24) is arranged at a gap between the trolley fixing shaft (23) and the trolley support (25), and two ends of the trolley fixing shaft (23) are respectively provided with a trolley outer pulley (21); the inside of the trolley bracket (25) is provided with trolley inner pulleys (22) through a rotating shaft, and the two trolley inner pulleys (22) are respectively positioned at two sides below the trolley fixing shaft (23); the two trolley outer pulleys (21) are arranged in the support seat guide rail (33), and the trolley outer pulleys (21) can move along the support seat guide rail (33); the two trolley inner pulleys (22) are abutted against the inclined plane of the wedge-shaped sliding block (1) to convert the horizontal movement of the wedge-shaped sliding block into the vertical movement of the trolley bracket (25); a supporting shaft (5) is vertically arranged on the top surface of the trolley support (25), and the supporting shaft (5) is arranged in a linear bearing (32) of the supporting seat (3) and can move up and down in the linear bearing (32); the tops of the four supporting shafts (5) are connected with a stove bracket (4) together.

2. A mechanism for adjusting the height of a gas cooker stand according to claim 1, wherein: the two groups of wedge-shaped sliding blocks (1) are provided with grooves used for installing the push plates (8) at positions corresponding to the push plates (8), and the two ends of the push plates (8) are fixed in the grooves of the wedge-shaped sliding blocks (1).

3. A mechanism for adjusting the height of a gas cooker stand according to claim 1, wherein: the bottom of supporting seat (3) is equipped with mounting hole (31), and supporting seat (3) pass through mounting hole (31) fixed mounting on base (11).

4. A mechanism for adjusting the height of a gas cooker stand according to claim 1, wherein: and a roller pin is arranged on the contact surface of the guide rail (12) and the wedge-shaped sliding block (1).

Technical Field

The invention relates to the technical field of gas cookers, in particular to a mechanism for adjusting the height of a gas cooker support.

Background

Along with the construction of gas pipe networks in China, gas stoves are more and more common in daily life and become an important tool for people to cook dishes and rice. The heat generated by the combustion of the fuel gas is fully utilized, the consumption of the fuel gas is reduced, and the heat efficiency is increased. The contact area between the fireworks and the cookware of gas combustion in different gears is different, so that the radiation heat dissipation to the outside is changed, and the heat efficiency is changed. With the increasing awareness of environmental protection, in order to respond to the national call for environmental protection, the amount of incomplete combustion products such as carbon monoxide CO and other nitrogen oxides generated during the combustion of gas is reduced to reduce toxic and harmful gases, which is a problem to be solved urgently.

Through experimental research, the two problems can be effectively solved by changing the contact area and the contact distance between the gas cooker bracket and flame, but the device is lack at present.

Disclosure of Invention

To overcome the above problems, the present invention provides a mechanism for adjusting the height of a gas cooker support.

The technical scheme adopted by the invention is as follows: a mechanism for adjusting the height of a gas cooker support comprises a motor driving device and a pair of guide rails, wherein the motor driving device and the pair of guide rails are arranged on a base; a supporting seat is arranged above the push plate device, a trolley pulley device capable of vertically moving along the supporting seat is arranged on the supporting seat, and the trolley pulley device is driven by the push plate device; the trolley pulley device is provided with support shafts, and the four support shafts are respectively connected to four corners of the bottom of the stove bracket in a supporting manner;

the pair of guide rails is arranged on the base, and a motor driving device is arranged between the guide rails; the motor driving device comprises a motor, an output shaft of the motor is connected with one end of a screw rod through a coupler, the other end of the screw rod is connected with an encoder, the encoder is electrically connected with a computer, and the computer is electrically connected with the motor; the screw rod is parallel to the guide rails and is positioned between the pair of guide rails, and the guide rails are provided with push plate devices;

the push plate device comprises a push plate and four wedge-shaped sliding blocks, wherein every two wedge-shaped sliding blocks are arranged on the guide rail in a sliding mode in a group, and the inclined directions of the inclined surfaces of the two wedge-shaped sliding blocks in each group are the same; the two groups of wedge-shaped sliding blocks are connected together through a push plate, a copper nut is arranged on the push plate, and the copper nut is in threaded connection with the screw rod; a supporting seat is arranged above each wedge-shaped sliding block;

the supporting seat comprises an inverted U-shaped supporting frame, vertical supporting seat guide rails are arranged on two sides of the supporting frame, and a linear bearing is arranged on the top surface of the supporting frame; the trolley pulley device comprises an inverted U-shaped trolley support, a trolley fixing shaft penetrates through the middle of the trolley support, a positioning rubber ring is arranged at the gap between the trolley fixing shaft and the trolley support, and trolley outer pulleys are respectively arranged at two ends of the trolley fixing shaft; the inside of the trolley bracket is provided with trolley inner pulleys through a rotating shaft, and the two trolley inner pulleys are respectively positioned at two sides below the trolley fixed shaft; the two trolley outer pulleys are arranged in the supporting seat guide rail and can move along the supporting seat guide rail; the sliding wheels in the two trolleys are abutted against the inclined plane of the wedge-shaped sliding block, and the horizontal movement of the wedge-shaped sliding block is converted into the vertical movement of the trolley bracket; a supporting shaft is vertically arranged on the top surface of the trolley support, is arranged in a linear bearing of the supporting seat and can move up and down in the linear bearing; the tops of the four supporting shafts are connected with a stove bracket together.

Furthermore, the positions of the two groups of wedge-shaped sliding blocks corresponding to the push plate are provided with grooves for mounting the push plate, and two ends of the push plate are fixed in the grooves of the wedge-shaped sliding blocks.

Further, the bottom of supporting seat is equipped with the mounting hole, and the supporting seat passes through mounting hole fixed mounting on the base.

Furthermore, a roller pin is arranged on the contact surface of the guide rail and the wedge-shaped sliding block.

The invention has the beneficial effects that:

(1) utilize the height of change cooking utensils support that simple structure can be relaxed, keep off the position under the position in the difference, can control the distance between pot frame to flame and the combustor to can reach the most suitable flame area of contact heating pan, reduce the radiation heat dissipation loss of flue gas to external world, increase the thermal efficiency. The secondary air supply channel is also beneficial to forming a corresponding most suitable secondary air supply channel under different gears, so that the fuel gas can be fully combusted as far as possible, and the generation of toxic and harmful gases is reduced. The heat efficiency and the nitrogen oxide generation amount of the stove are comprehensively analyzed, so that the stove support is adjusted to the optimal height, and the purpose of intelligent regulation and control is achieved.

(2) By utilizing the wedge-shaped structure, the height can be more finely controlled, the lifting amplitude is smaller, and the stability of the cooker is maintained.

(3) The symmetrical structure enables the stove support to stably lift, is more stable and is not easy to turn on one's side.

(4) The roller pins are arranged on the guide rail, so that the sliding is changed into rolling, the friction resistance is reduced, the device runs more stably, and the efficiency is higher.

(5) The encoder feeds the motion state of the screw rod back to the computer, and the motion state of the screw rod is controlled through the closed-loop control system, so that the high position precision of the mechanism is ensured.

Drawings

Fig. 1 is a perspective view of a mechanism for adjusting the height of a gas cooker support of the present invention.

Fig. 2 is a front view of a mechanism for adjusting the height of a gas cooker support of the present invention.

Fig. 3 is a top view of a mechanism for adjusting the height of a gas cooker support of the present invention.

Fig. 4 is a perspective view of the trolley pulley arrangement.

Figure 5 is a perspective view of a pusher slide assembly.

Fig. 6 is a perspective view of the support base.

Description of reference numerals: the device comprises a wedge-shaped sliding block 1, a trolley pulley device 2, a supporting seat 3, a stove support 4, a supporting shaft 5, a lead screw 6, an encoder 7, a pushing plate 8, a motor 9, a coupler 10, a base 11, a guide rail 12, a copper nut 13, a trolley outer pulley 21, a trolley inner pulley 22, a trolley fixing shaft 23, a positioning rubber ring 24, a trolley frame 25, a mounting hole 31, a linear bearing 32 and a supporting seat guide rail 33.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to the attached drawings, the mechanism for adjusting the height of the gas cooker support comprises a motor driving device and a pair of guide rails 12, wherein the motor driving device is arranged on a base 11, a push plate device capable of horizontally moving along the guide rails is arranged on the guide rails 12, and the motor driving device is in driving connection with the push plate device; a supporting seat 3 is arranged above the push plate device, a trolley pulley device 2 capable of vertically moving along the supporting seat 3 is arranged on the supporting seat 3, and the trolley pulley device 2 is driven by the push plate device; the trolley pulley device 2 is provided with support shafts 5, and the four support shafts 5 are respectively connected to the four corners of the bottom of the stove bracket 4 in a supporting manner;

the pair of guide rails 12 are arranged on the base 11, and a motor driving device is arranged between the guide rails 12; the motor driving device comprises a motor 9, an output shaft of the motor 9 is connected with one end of a screw rod 6 through a coupler 10, the other end of the screw rod 6 is connected with an encoder 7, the encoder 7 is electrically connected with a computer, and the computer is electrically connected with the motor 9; the encoder 7 feeds the motion state of the screw rod 6 back to the computer, and the motion state of the screw rod 6 is accurately controlled by controlling the positive rotation, the negative rotation and the rotating speed of the motor 9 through a closed-loop control system, so that the height of the cooker support is correspondingly changed. And meanwhile, the maximum rotating speed of the screw rod 6 is controlled, so that the mechanism is ensured to operate stably, and the position precision of the mechanism is ensured. The screw rod 6 is parallel to the guide rails 12 and is positioned between the pair of guide rails 12, and the guide rails 12 are provided with a push plate device;

as shown in fig. 5, the push plate device comprises a push plate 8 and four wedge-shaped sliding blocks 1, wherein every two wedge-shaped sliding blocks 1 are arranged on a guide rail 12 in a sliding manner, and the inclined directions of the inclined surfaces of the two wedge-shaped sliding blocks 1 in each group are the same; two sets of wedge sliders 1 are connected together through a push plate 8, a groove used for installing the push plate 8 is arranged at a position corresponding to the push plate 8 on the two sets of wedge sliders 1, and two ends of the push plate 8 are fixed in the groove of the wedge sliders 1. A copper nut 13 is arranged on the push plate 8, and the copper nut 13 is in threaded connection with the screw rod 6; a supporting seat 3 is arranged above each wedge-shaped sliding block 1;

as shown in fig. 6, the supporting seat 3 includes an inverted U-shaped supporting frame, a mounting hole 31 is formed at the bottom of the supporting seat 3, and the supporting seat 3 is fixedly mounted on the base 11 through the mounting hole 31. Two sides of the support frame are provided with vertical support seat guide rails 33, and the top surface of the support frame is provided with a linear bearing 32;

as shown in fig. 4, the trolley pulley device 2 comprises an inverted U-shaped trolley support 25, a trolley fixing shaft 23 is installed in the middle of the trolley support 25 in a penetrating manner, a positioning rubber ring 24 is arranged at a gap between the trolley fixing shaft 23 and the trolley support 25, and two ends of the trolley fixing shaft 23 are respectively provided with a trolley outer pulley 21; the trolley support 25 is internally provided with trolley inner pulleys 22 through a rotating shaft, and the two trolley inner pulleys 22 are respectively positioned at two sides below the trolley fixing shaft 23; the two trolley outer pulleys 21 are arranged in the support seat guide rail 33, and the trolley outer pulleys 21 can move along the support seat guide rail 33; the two trolley inner pulleys 22 are abutted against the inclined plane of the wedge-shaped sliding block 1, and the horizontal movement of the wedge-shaped sliding block is converted into the vertical movement of the trolley bracket 25; the top surface of the trolley bracket 25 is vertically provided with a support shaft 5, and the support shaft 5 is arranged in a linear bearing 32 of the support seat 3 and can move up and down in the linear bearing 32; the tops of the four supporting shafts 5 are connected with a stove bracket 4 together.

In this embodiment, the wedge-shaped slider 1 of the push plate slider device can move transversely along the guide rail 12, so as to push the trolley pulley device 2 to move up and down in the supporting seat 3, and meanwhile, the supporting shaft 5 is driven to change the height of the stove support. The roller pins are arranged in the guide rail 12, so that the wedge-shaped sliding block 1 can change sliding into rolling, the friction resistance is reduced, the device can run more stably, and the efficiency is higher.

The working principle of the invention is as follows: the lead screw 6 is driven to rotate by the motor 9, the copper nut 13 is meshed with the lead screw 6, the rotation is converted into linear motion, and the push plate sliding block device is driven to enable the wedge-shaped sliding block 1 to move linearly in the guide rail 12. The trolley pulley device 2 on the wedge-shaped sliding block 1 realizes upward (or downward) movement in the supporting seat under the action of the thrust (or gravity) of the wedge-shaped sliding block 1. The trolley pulley device 2 drives the supporting shaft to move together in the supporting seat, so that the supporting stove bracket is lifted (or lowered), and the contact area and distance between the stove and flame are changed. The symmetrical structure also ensures that the stove support can be stably lifted (or lowered), has higher stability and is not easy to turn on one's side. Meanwhile, the relative motion data of the lead screw 6 obtained by the encoder 7 is uploaded to a control system, and the forward rotation, the reverse rotation and the rotating speed of the motor 9 are further controlled through analysis and calculation, so that the closed-loop control of the mechanism is realized, and the automation and the accurate control are realized.

The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.