阅读说明：本技术 一种车载加热可降低能耗的电子装置 (Electronic device capable of reducing energy consumption through vehicle-mounted heating ) 是由 林晓靖 于 2021-01-25 设计创作，主要内容包括：本发明公开的一种车载加热可降低能耗的电子装置,包括保温箱体,所述保温箱体内设有保温腔,所述保温腔内下侧设有升降装置,所述升降装置包括与所述保温腔左侧内壁滑动连接且延伸至所述保温腔外侧的移动杆,所述移动杆上固定设有钢制齿条,所述钢制齿条右侧设有与所述移动杆固定连接的铁制齿条,所述钢制齿条左侧设有与所述保温腔下侧内壁转动连接的第一蜗杆,方便使用者拿取食品,也减少内部热量的流失,间接降低了设备的能耗,并且在使用者拿取食品的过程中,利用齿轮齿条的动力传递来实现小型的发电机发电,合理分配用电情况,以及解决不时之需,该设备实用性强,具有很好的市场前景。(The invention discloses an electronic device capable of reducing energy consumption by vehicle-mounted heating, which comprises a heat insulation box body, wherein a heat insulation cavity is arranged in the heat insulation box body, a lifting device is arranged at the lower side in the heat insulation cavity and comprises a moving rod which is connected with the inner wall of the left side of the heat insulation cavity in a sliding way and extends to the outer side of the heat insulation cavity, a steel rack is fixedly arranged on the moving rod, an iron rack fixedly connected with the moving rod is arranged at the right side of the steel rack, a first worm rotatably connected with the inner wall of the lower side of the heat insulation cavity is arranged at the left side of the steel rack, so that a user can conveniently take food, the loss of internal heat is reduced, the energy consumption of equipment is indirectly reduced, in the process of taking food by the user, the power transmission of a gear rack is utilized to realize small-sized power generation, the electricity consumption condition, has good market prospect.)

1. The utility model provides an on-vehicle heating can reduce electron device of energy consumption, includes the insulation can body, be equipped with heat preservation chamber in the insulation can body, its characterized in that: the lower side in the heat preservation cavity is provided with a lifting device, the lifting device comprises a moving rod which is connected with the inner wall of the left side of the heat preservation cavity in a sliding manner and extends to the outer side of the heat preservation cavity, a steel rack is fixedly arranged on the moving rod, an iron rack fixedly connected with the moving rod is arranged on the right side of the steel rack, a first worm which is rotatably connected with the inner wall of the lower side of the heat preservation cavity is arranged on the left side of the steel rack, a sintering gear which can be meshed and connected with the steel rack is fixedly arranged on the first worm, a rotating shaft which is rotatably connected with the inner wall of the front side of the heat preservation cavity is arranged on the left side of the first worm, a first worm wheel which is meshed and connected with the first worm is fixedly arranged on the rotating shaft, a cylindrical gear which is fixedly connected with the rotating shaft is arranged on the rear side of the first worm wheel, a fixed wall is fixedly arranged on the inner wall, the vertical rack realizes lifting work according to the meshing connection between the sintering gear and the steel rack, a feeding and power generating device is arranged on the right side in the heat preservation cavity and comprises a supporting wall fixedly connected with the inner wall on the right side of the heat preservation cavity, a motor fixedly connected with the inner wall on the right side of the heat preservation cavity is arranged on the lower side of the supporting wall, an output shaft is arranged on the left side of the motor, a space cylinder is fixedly arranged on the output shaft, a limiting groove is arranged on the space cylinder, a fixing pin inserted into the limiting groove is slidably arranged on the supporting wall, a reset rack is fixedly arranged on the fixing pin, a rotating shaft is rotatably arranged on the inner wall on the front side of the heat preservation cavity, a casting gear meshed and connected with the reset rack is fixedly arranged on the rotating shaft, and a sharp mouth block fixedly connected with the rotating shaft is arranged on, the automatic sealing device is characterized in that a generator is fixedly arranged on the inner wall of the rear side of the heat preservation cavity, a transmission shaft is arranged on the front side of the generator, a ring-shaped plate is fixed on the transmission shaft, a U-shaped block is fixedly arranged on the ring-shaped plate, a moving block connected with the pointed nozzle block in an abutting mode is arranged on the U-shaped block in a sliding mode, the moving block is connected with the U-shaped block through a stretching spring, the generator is connected with a casting gear according to the meshing between the reset rack and the casting gear to achieve the work of providing partial electric power, and an automatic sealing device is arranged.

2. The vehicle-mounted heating electronic device capable of reducing energy consumption as claimed in claim 1, wherein: the heat preservation chamber upside inner wall rotates and is equipped with the dwang, fixed be equipped with on the dwang with the closed door that heat preservation chamber upside inner wall offseted is connected, the fixed glass board that is equipped with on the heat preservation chamber left side inner wall can pass through the glass board is observed the heat preservation intracavity condition, fixed being equipped with on the heat preservation chamber left side inner wall and the communicating passageway of taking in the external world.

3. The vehicle-mounted heating electronic device capable of reducing energy consumption as claimed in claim 2, wherein: the lifting device comprises a placing plate fixedly connected with the vertical rack, three first rails arranged along the path of the placing plate are fixedly arranged on the placing plate, a second worm which is rotatably connected with the inner wall of the lower side of the heat preservation cavity is arranged on the right side of the iron rack, a forging gear which can be meshed and connected with the iron rack is fixedly arranged on the second worm, a transmission shaft is rotatably arranged on the inner wall of the right side of the heat preservation cavity, a second worm wheel meshed and connected with the second worm is fixedly arranged on the transmission shaft, a rotary rod fixedly connected with the transmission shaft is arranged on the left side of the second worm wheel, a rectangular plate is arranged on the inner wall of the front side of the heat preservation cavity in a sliding manner, the rotary rod is fixedly provided with a fixed rod which is in sliding connection with the rectangular plate, the rectangular plate is fixedly provided with a placing table, and the placing table is fixedly provided with three second tracks which are arranged along the path of the placing table.

4. The vehicle-mounted heating electronic device capable of reducing energy consumption as claimed in claim 3, wherein: the feeding and power generation device comprises an oblique rack which is in sliding connection with the extending wall of the inner wall of the rear side of the heat preservation cavity, a helical gear which is in meshed connection with the oblique rack is fixedly arranged on the space cylinder, a taking plate which can be inserted into the first track is fixedly arranged on the oblique rack, the taking plate can also be inserted into the second track, and two supporting plates which are symmetrical front and back are fixedly arranged on the taking plate.

5. The vehicle-mounted heating electronic device capable of reducing energy consumption as claimed in claim 4, wherein: the automatic closing device comprises a closed cavity located in the inner wall of the left side of the heat preservation cavity, two closed plates which are symmetrical around the plate to be taken are arranged in the closed cavity in a sliding mode, the closed plates are connected with the inner wall of the closed cavity through compression springs, the inner wall of the right side of the closed cavity is provided with a movable plate which extends into the heat preservation cavity and is connected with the closed plates in a propping mode, and the movable plate is connected with the supporting plates in a propping mode.

Technical Field

The invention relates to the field of vehicle-mounted electronics, in particular to an electronic device capable of reducing energy consumption through vehicle-mounted heating.

Background

The invention relates to an electronic device for vehicle-mounted heating, which is used for conveying goods to a destination and driving to a remote mountain area in a day-night double journey, so that people have no food, the food cannot be damaged in a few days, and the food can be heated at any time by a vehicle-mounted heating device, so that the problem of eating of a long-distance driver can be solved, the working state and the working efficiency of the long-distance driver are improved after the diet of the long-distance driver is greatly improved, the comfort level in a long-distance vehicle is improved, the energy consumption of the conventional vehicle-mounted heating device is high, and the vehicle-mounted heating device cannot be used at any time in order to consider the using condition of a battery of the long-distance vehicle.

Disclosure of Invention

In order to solve the problems, the embodiment designs an electronic device capable of reducing energy consumption through vehicle-mounted heating, and the electronic device capable of reducing energy consumption through vehicle-mounted heating comprises a heat insulation box body, wherein a heat insulation cavity is arranged in the heat insulation box body, a lifting device is arranged at the lower side in the heat insulation cavity and comprises a moving rod which is connected with the inner wall of the left side of the heat insulation cavity in a sliding mode and extends to the outer side of the heat insulation cavity, a steel rack is fixedly arranged on the moving rod, an iron rack fixedly connected with the moving rod is arranged on the right side of the steel rack, a first worm rotatably connected with the inner wall of the lower side of the heat insulation cavity is arranged on the left side of the steel rack, a sintering gear capable of being meshed and connected with the steel rack is fixedly arranged on the first worm, a rotating shaft rotatably connected with the inner wall of the front side of the heat insulation cavity is arranged on the left side of the first worm, a cylindrical gear fixedly connected with the rotating shaft is arranged on the rear side of the first worm gear, a fixed wall is fixedly arranged on the inner wall of the front side of the heat preservation cavity, a vertical rack meshed with the cylindrical gear is slidably arranged on the fixed wall, the vertical rack realizes lifting work according to the meshed connection between the sintering gear and the steel rack, a feeding and power generation device is arranged on the right side in the heat preservation cavity and comprises a supporting wall fixedly connected with the inner wall of the right side of the heat preservation cavity, a motor fixedly connected with the inner wall of the right side of the heat preservation cavity is arranged on the lower side of the supporting wall, an output shaft is arranged on the left side of the motor, a space cylinder is fixedly arranged on the output shaft, a limit groove is arranged on the space cylinder, a fixed pin inserted into the limit groove is slidably arranged on the supporting wall, and a reset rack is fixedly arranged on, the heat preservation cavity comprises a heat preservation cavity and is characterized in that a rotating shaft is rotatably arranged on the inner wall of the front side of the heat preservation cavity, a casting gear meshed with a reset rack is fixedly arranged on the rotating shaft, a sharp mouth block fixedly connected with the rotating shaft is arranged on the rear side of the casting gear, a generator is fixedly arranged on the inner wall of the rear side of the heat preservation cavity, a transmission shaft is arranged on the front side of the generator, a fixed ring-shaped plate is arranged on the transmission shaft, a U-shaped block is fixedly arranged on the ring-shaped plate, a moving block connected with the sharp mouth block in an abutting mode is arranged on the U-shaped block in a sliding mode, the moving block is connected with the U-shaped block through a tension spring, the generator is connected with the casting gear through meshing, the work of providing.

The heat preservation cavity upper side inner wall rotates and is equipped with the dwang, fixed be equipped with on the dwang with the closed door that heat preservation cavity upper side inner wall offseted is connected, the fixed glass board that is equipped with on the heat preservation cavity left side inner wall can pass through the glass board is observed the heat preservation intracavity condition, fixed being equipped with on the heat preservation cavity left side inner wall and the communicating passageway of taking in the external world.

Wherein the lifting device comprises a placing plate fixedly connected with the vertical rack, three first tracks arranged along the path of the placing plate are fixedly arranged on the placing plate, a second worm which is rotatably connected with the inner wall of the lower side of the heat preservation cavity is arranged on the right side of the iron rack, a forging gear which can be meshed and connected with the iron rack is fixedly arranged on the second worm, a transmission shaft is rotatably arranged on the inner wall of the right side of the heat preservation cavity, a second worm wheel meshed and connected with the second worm is fixedly arranged on the transmission shaft, a rotary rod fixedly connected with the transmission shaft is arranged on the left side of the second worm wheel, a rectangular plate is arranged on the inner wall of the front side of the heat preservation cavity in a sliding manner, the rotary rod is fixedly provided with a fixed rod which is in sliding connection with the rectangular plate, the rectangular plate is fixedly provided with a placing table, and the placing table is fixedly provided with three second tracks which are arranged along the path of the placing table.

The feeding and power generation device comprises a helical rack which is connected with the inner wall extension wall on the rear side of the heat preservation cavity in a sliding mode, a helical gear which is connected with the helical rack in a meshed mode is fixedly arranged on the space cylinder, a taking plate which can be inserted into the first rail is fixedly arranged on the helical rack, the taking plate can also be inserted into the second rail, and two supporting plates which are symmetrical front and back are fixedly arranged on the taking plate.

The automatic closing device comprises a closed cavity located in the inner wall of the left side of the heat preservation cavity, two closed plates which are symmetrical around the plate to be taken are arranged in the closed cavity in a sliding mode, the closed plates are connected with the inner wall of the closed cavity through compression springs, a movable plate which extends into the heat preservation cavity and is connected with the closed plates in a propping mode is arranged on the inner wall of the right side of the closed cavity in a sliding mode, and the movable plate is connected with the supporting plates in a propping mode.

The invention has the beneficial effects that: the invention relates to a device for vehicle-mounted heat-preservation food on a coach, which realizes power transmission through a worm gear structure so as to control a flat plate for placing food to lift, is convenient for a user to take the food, reduces the loss of internal heat, indirectly reduces the energy consumption of equipment, realizes the power generation of a small-sized generator by utilizing the power transmission of a gear rack in the process of taking the food by the user, reasonably distributes the power consumption condition, solves the occasional need, has strong practicability and good market prospect.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Fig. 5 is a schematic diagram of the structure of D-D in fig. 1.

FIG. 6 is a schematic diagram of the structure of E-E in FIG. 1.

FIG. 7 is a schematic view of the structure of F-F in FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an electronic device capable of reducing energy consumption by vehicle-mounted heating, which comprises a heat preservation box body 11, wherein a heat preservation cavity 12 is arranged in the heat preservation box body 11, a lifting device 901 is arranged at the inner lower side of the heat preservation cavity 12, the lifting device 901 comprises a moving rod 23 which is connected with the inner wall of the left side of the heat preservation cavity 12 in a sliding way and extends to the outer side of the heat preservation cavity 12, a steel rack 32 is fixedly arranged on the moving rod 23, an iron rack 31 fixedly connected with the moving rod 23 is arranged at the right side of the steel rack 32, a first worm 26 rotatably connected with the inner wall of the lower side of the heat preservation cavity 12 is arranged at the left side of the steel rack 32, a sintering gear 27 capable of being meshed and connected with the steel rack 32 is fixedly arranged on the first worm 26, a rotating shaft 25 rotatably connected with the inner wall of the front side of the heat preservation cavity 12 is arranged at the left side of the first worm 26, a first, the rear side of the first worm wheel 24 is provided with a cylindrical gear 22 fixedly connected with the rotating shaft 25, the inner wall of the front side of the heat preservation cavity 12 is fixedly provided with a fixed wall 20, the fixed wall 20 is provided with a vertical rack 21 in a sliding manner, the vertical rack 21 is connected with the cylindrical gear 22 in a meshing manner to realize lifting work according to the meshing engagement between the sintering gear 27 and the steel rack 32, the right side in the heat preservation cavity 12 is provided with a feeding and power generation device 902, the feeding and power generation device 902 comprises a supporting wall 46 fixedly connected with the inner wall of the right side of the heat preservation cavity 12, the lower side of the supporting wall 46 is provided with a motor 44 fixedly connected with the inner wall of the right side of the heat preservation cavity 12, the left side of the motor 44 is provided with an output shaft 43, the output shaft 43 is fixedly provided with a space cylinder 42, the space cylinder 42 is provided with a limiting groove 41, the supporting wall 46 is, a reset rack 51 is fixedly arranged on the fixed pin 45, a rotating shaft 50 is rotatably arranged on the inner wall of the front side of the heat preservation cavity 12, a cast gear 49 engaged with the reset rack 51 is fixedly arranged on the rotating shaft 50, the rear side of the cast gear 49 is provided with a tip block 60 fixedly connected with the rotating shaft 50, a generator 54 is fixedly arranged on the inner wall of the rear side of the heat preservation cavity 12, a transmission shaft 55 is arranged on the front side of the generator 54, a fixed ring-shaped plate 56 is arranged on the transmission shaft 55, a U-shaped block 57 is fixedly arranged on the ring-shaped plate 56, a moving block 59 connected with the sharp-mouth block 60 in an abutting mode is arranged on the U-shaped block 57 in a sliding mode, the moving block 59 is connected with the U-shaped block 57 through an extension spring 58, the generator 54 provides partial electric power according to the meshing connection between the reset rack 51 and the casting gear 49, and an automatic closing device 903 is arranged on the left side in the heat preservation cavity 12.

Beneficially, heat preservation chamber 12 upside inner wall rotates and is equipped with dwang 53, fixed being equipped with on dwang 53 with heat preservation chamber 12 upside inner wall offsets the closed door 52 of connecting, the fixed glass board 17 that is equipped with on the heat preservation chamber 12 left side inner wall can pass through glass board 17 observes the condition in heat preservation chamber 12, the fixed passageway 14 of taking that communicates with each other with the external world that is equipped with on the heat preservation chamber 12 left side inner wall.

According to the embodiment, the lifting device 901 will be described in detail below, the lifting device 901 includes a placing plate 19 fixedly connected to the vertical rack 21, three first rails 18 arranged along the path of the placing plate 19 are fixedly disposed on the placing plate 19, a second worm 34 rotatably connected to the inner wall of the lower side of the heat preservation chamber 12 is disposed on the right side of the iron rack 31, a forging gear 33 capable of engaging with the iron rack 31 is fixedly disposed on the second worm 34, a transmission shaft 38 is rotatably disposed on the inner wall of the right side of the heat preservation chamber 12, a second worm wheel 39 engaging with the second worm 34 is fixedly disposed on the transmission shaft 38, a rotating rod 37 fixedly connected to the transmission shaft 38 is disposed on the left side of the second worm wheel 39, a rectangular plate 35 is slidably disposed on the inner wall of the front side of the heat preservation chamber 12, a fixing rod 36 slidably connected to the rectangular plate 35 is fixedly disposed on the rotating rod 37, a placing table 29 is fixedly arranged on the rectangular plate 35, three second rails 28 arranged along the path of the placing table 29 are fixedly arranged on the placing table 29, and the placing table 29 realizes lifting operation according to the meshing connection between the iron rack 31 and the forging gear 33.

According to an embodiment, the feeding and power generating device 902 is described in detail below, the feeding and power generating device 902 includes a helical rack 40 slidably connected to an extending wall of a rear inner wall of the thermal insulation chamber 12, a helical gear 47 engaged with the helical rack 40 is fixedly disposed on the spatial cylinder 42, a pickup plate 16 insertable into the first rail 18 is fixedly disposed on the helical rack 40, the pickup plate 16 is also insertable into the second rail 28, two support plates 48 longitudinally symmetric with respect to the pickup plate 16 are fixedly disposed on the pickup plate 16, and the pickup plate 16 performs feeding operation according to the engagement connection between the helical rack 40 and the helical gear 47.

According to an embodiment, the automatic closing device 903 is described in detail below, the automatic closing device 903 includes a closed cavity 62 located in the inner wall of the left side of the heat preservation cavity 12, two closing plates 13 which are symmetrical with respect to the fetching plate 16 in the front-back direction are slidably disposed in the closed cavity 62, the closing plates 13 are connected with the inner wall of the closed cavity 62 through compression springs 61, a moving plate 15 which extends into the heat preservation cavity 12 and is connected with the closing plates 13 in an abutting manner is slidably disposed on the inner wall of the right side of the closed cavity 62, the moving plate 15 is connected with the support plate 48 in an abutting manner, and the closing plates 13 are opened and closed according to the abutting connection between the moving plate 15 and the support plate 48.

The following describes in detail the usage steps of an onboard heating energy-consumption-reducing electronic device in the present disclosure with reference to fig. 1 to 7:

at the beginning, nothing is placed on the placing plate 19 and the placing table 29, the sintering gear 27 is not meshed with the steel rack 32, the iron rack 31 is not meshed with the forging gear 33, the placing plate 19 and the placing table 29 are located at the lowest position of the heat preservation cavity 12, the helical gear 47 is meshed with the leftmost position of the helical rack 40, the motor 44 stops working, and the compression spring 61 has elastic potential energy.

When the food taking device works, a user opens the closing door 52, food is respectively placed on the upper sides of the placing plate 19 and the placing table 29, then the closing door 52 is reset, when the user needs the food, the moving rod 23 is pulled, the moving rod 23 moves leftwards to drive the steel rack 32 to move leftwards, the steel rack 32 moves leftwards to be meshed and connected with the sintering gear 27, the sintering gear 27 rotates to drive the first worm 26 to rotate, the first worm 26 rotates to drive the first worm wheel 24 to rotate, the first worm wheel 24 rotates to drive the rotating shaft 25 to rotate, the rotating shaft 25 rotates to drive the cylindrical gear 22 to rotate, the cylindrical gear 22 rotates to drive the vertical rack 21 to move upwards, the vertical rack 21 moves upwards to drive the placing plate 19 to move upwards, when the placing plate 19 moves to a position with the same height as the taking plate 16, the moving rod 23 stops moving, and the moving rod 23 does not reset to the initial state, the motor 44 is turned on, the, the output shaft 43 rotates to drive the space cylinder 42 to rotate, the space cylinder 42 rotates to drive the bevel gear 47 to rotate, the bevel gear 47 rotates to drive the bevel rack 40 to move left, the bevel rack 40 moves left to drive the taking plate 16 to move left, the taking plate 16 moves left to be inserted into the first track 18, at the moment, a user observes the situation in the heat preservation cavity 12 through the glass plate 17, when the user observes that the taking plate 16 is inserted into the first track 18, then the moving rod 23 moves right to reset the taking plate to the initial state, the steel rack 32 resets to the initial state, the sintering gear 27 rotates reversely to drive the placing plate 19 to restore to the initial state, at the moment, the food on the placing plate 19 is on the taking plate 16, the bevel rack 40 then drives the taking plate 16 to move left, the taking plate 16 moves left to drive the supporting plate 48 to move left, the supporting plate 48 moves left to drive the moving plate 15, and the moving plate 15 moves left to drive the closing plate 13 to move away from the taking channel 14, the closing plate 13 no longer blocks the channel of the taking channel 14, so that a user can take food on the taking plate 16 through the taking channel 14, after taking the food, the control motor 44 is reversed, the motor 44 is reversed to drive the taking plate 16 to return to the initial state, the closing plate 13 returns to the initial state according to the elastic potential energy of the compression spring 61, when the user needs to take the food on the placing table 29, the moving rod 23 is moved rightwards to drive the iron rack 31 to move rightwards, the iron rack 31 is moved rightwards to be meshed and connected with the forging gear 33, the forging gear 33 rotates to drive the second worm 34 to rotate, the second worm 34 drives the second worm wheel 39 to rotate, the second worm wheel 39 rotates to drive the transmission shaft 38 to rotate, the transmission shaft 38 rotates to drive the rotating rod 37 to rotate, the rotating rod 37 rotates to drive the rectangular plate 35 to move upwards through the fixing rod 36, the rectangular plate 35 moves upwards to drive the placing table 29, when the placing table 29 moves to a position with the same height as the taking plate 16, the motor 44 is controlled to rotate forward, the motor 44 rotates forward to transport food on the placing table 29 to the vicinity of the taking channel 14, a user takes the food on the taking plate 16, after the user takes the food, the motor 44 is controlled to rotate backward, the motor 44 rotates backward to drive the taking plate 16 to reset, the closing plate 13 closes the channel of the taking channel 14 again, in the process of taking the food, the space cylinder 42 rotates to drive the fixing pin 45 to move back and forth left and right through the limiting groove 41, the fixing pin 45 reciprocates left and right to drive the resetting rack 51 to reciprocate left and right, the resetting rack 51 drives the casting gear 49 to rotate clockwise when moving left, the casting gear 49 rotates to drive the rotating shaft 50 to rotate, the rotating shaft 50 rotates to drive the sharp mouth block 60 to rotate, the sharp mouth block 60 rotates to drive the moving block 59 to rotate clockwise when driving the U-shaped block 57 to rotate, the U-shaped block 57 rotates to drive the annular plate 56 to rotate, the annular plate 56 rotates to drive the transmission shaft 55 to rotate, the transmission shaft 55 rotates to drive the generator 54 to rotate, the generator 54 can generate electric energy by rotation, the power can be supplied to the device itself, the standby storage battery of the device can also be charged, so as to prevent from time to time, when the reset rack 51 moves to the right, the reset rack 51 moves to the right to drive the casting gear 49 to rotate in the clockwise direction, the casting gear 49 rotates to drive the rotating shaft 50 to rotate, the rotating shaft 50 rotates to drive the sharp-mouth block 60 to rotate, because of the offset connection relationship between the sharp-mouth block 60 and the moving block 59, the sharp-mouth block 60 cannot drive the moving block 59 to rotate in the counterclockwise direction, and thus, when the reset rack 51 moves to the left, the.

The invention has the beneficial effects that: the invention relates to a device for vehicle-mounted heat-preservation food on a coach, which realizes power transmission through a worm gear structure so as to control a flat plate for placing food to lift, is convenient for a user to take the food, reduces the loss of internal heat, indirectly reduces the energy consumption of equipment, realizes the power generation of a small-sized generator by utilizing the power transmission of a gear rack in the process of taking the food by the user, reasonably distributes the power consumption condition, solves the occasional need, has strong practicability and good market prospect.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.