WO2021218128A1 - 一种保温箱 - Google Patents

一种保温箱 Download PDF

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Publication number
WO2021218128A1
WO2021218128A1 PCT/CN2020/130682 CN2020130682W WO2021218128A1 WO 2021218128 A1 WO2021218128 A1 WO 2021218128A1 CN 2020130682 W CN2020130682 W CN 2020130682W WO 2021218128 A1 WO2021218128 A1 WO 2021218128A1
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WO
WIPO (PCT)
Prior art keywords
plate
heat preservation
swing
installation groove
swing plate
Prior art date
Application number
PCT/CN2020/130682
Other languages
English (en)
French (fr)
Inventor
邱靖涛
邱宇
Original Assignee
浙江嘉特保温科技股份有限公司
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Application filed by 浙江嘉特保温科技股份有限公司 filed Critical 浙江嘉特保温科技股份有限公司
Publication of WO2021218128A1 publication Critical patent/WO2021218128A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • B65D43/164—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately and connected by interfitting hinge elements integrally with the container and the lid formed respectively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/26—Mechanisms for opening or closing, e.g. pedal-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/26—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with means for keeping contents in position, e.g. resilient means

Definitions

  • the invention belongs to the technical field of a heat preservation box, and particularly relates to a heat preservation box.
  • the amount of things in the incubator will directly affect the heat preservation effect.
  • the incubator is often moved around during use, and the food in the incubator will shake during the moving process, and it will be scattered on the insulation cover. After the insulation cover is opened, the food at the edge of the insulation cover will fall. When it falls to the outside, the food in the middle will fall back into the incubator, and people will accidentally stick the food on the arm during the handling process. On the one hand, it soils the arm, and on the other hand, the food contaminated by the arm falls to the incubator. The whole food is contaminated after the incubator.
  • the present invention designs an incubator to solve the above problems.
  • the present invention discloses an incubator, which is realized by adopting the following technical solutions.
  • a heat preservation box which comprises a heat preservation box body and a heat preservation cover, wherein one end of the heat preservation cover is hingedly mounted on the heat preservation box body; characterized in that: a pressure plate is slidably installed in the heat preservation box body, and the pressure plate is fixed by The plate and the swing plate are composed of two parts.
  • One end of the fixed plate is provided with a swing plate installation groove that penetrates up and down.
  • the fixed plate is slidingly fitted with the inner wall of the heat preservation box.
  • a driving telescopic rod is installed between the swing plates to drive the pressing plate to slide up and down in the heat preservation box and the swing plate to swing relative to the fixed plate.
  • the above-mentioned driving telescopic rod is a telescopic structure, and a return spring is installed on the inside; a trigger bar is also installed on the heat preservation cover, and the trigger bar is drivingly connected with the driving telescopic rod through a gear; when the heat preservation cover is closed, the trigger bar is covered by the heat preservation box The upper end surface of the trigger bar is squeezed to trigger the swing, and the trigger bar swings through the gear transmission to lock the telescopic function of the driving telescopic rod.
  • a limit rod is installed on the inner side of one end of the fixed plate without a swing plate installation groove, and a limit spring is installed between the limit rod and the fixed plate.
  • the limit spring is a tension spring and has a pretension; the fixed plate is located on the uppermost side When the limit rod is wrong, the swing plate relative to the fixed plate is limited in the swing position. When the fixed plate is located on the non-upper side, the limit rod is right, and the swing plate is in the swing limit relative to the fixed plate.
  • the three wall surfaces at one end of the heat preservation box body are equipped with limit bars that limit the upward sliding of the pressure plate.
  • a first sealing strip is installed between the heat preservation cover and the upper end surface of the heat preservation box body.
  • two symmetrically distributed mounting holes are opened on both sides of one end of the swing plate mounting groove on the fixing plate, and the lower side of the other end of the swing plate mounting groove has a first step higher than the bottom surface.
  • the bottom surface of the swing plate has a second step surface.
  • One end of the swing plate is symmetrically installed with two fixed shafts.
  • the swing plate is installed on the fixed plate through the cooperation of the two fixed shafts and two mounting holes, and the swing plate
  • the second step surface is matched with the first step surface at the lower end of the swing plate installation groove.
  • the two side surfaces of the above-mentioned swing plate installation groove without mounting holes are arc surfaces that cooperate with the swing of the swing plate; the arc center line of the arc surface is the swing axis of the swing plate.
  • a third sealing strip is installed between the second step surface on the swing plate and the first adjustment surface in the swing plate installation groove; first arc seals are installed on both sides of the swing plate installation groove without mounting holes Strip and the second arc-shaped sealing strip.
  • a second sealing strip is installed between the fixed plate and the inner wall surface of the heat preservation box.
  • a second slot is opened on the round surface of the end of the swing plate where the fixed shaft is installed, and a first slot is opened on the wall surface of the upper end of the heat preservation box.
  • the swing plate installation groove opened on the fixing plate has a fourth installation groove penetrating the fixing plate near the end where the installation hole is opened, and a third installation groove is opened on the wall of the fourth installation groove; one end of the limit rod has Reset the inclined plane, the limit rod is installed with a mounting slide, the limit rod is slidably installed in the fourth installation groove, and the installation slide is slidingly matched with the third installation groove, one end of the limit spring is fixedly installed on the installation slide, the limit spring The other end is fixedly installed on the end surface of the third installation groove.
  • the thermal insulation cover is provided with a first installation groove, one end of the first installation groove has a first shaft hole, one end of the first shaft hole has a second installation groove, and one end of the second installation groove There is a second shaft hole.
  • the second shaft is rotatably installed in the first shaft hole, the trigger bar is fixedly installed at one end of the second shaft, and is located in the first installation groove, a leaf spring is installed between the trigger bar and the first installation groove; the second gear is fixedly installed At the other end of the second shaft and located in the second installation groove, the first shaft is rotatably installed in the second shaft hole, and the first gear is fixedly installed on one end of the first shaft and is located in the second installation groove.
  • the above-mentioned driving telescopic rod includes a telescopic inner rod, a telescopic outer sleeve, an elliptical sliding column, and a return spring.
  • the inner circular surface of the telescopic outer sleeve is elliptical.
  • There is an elliptical sliding column one end of the telescopic inner rod is installed in the telescopic jacket through the sliding fit of the elliptical sliding column and the telescopic jacket, and a return spring is installed between the elliptical sliding column and the inner end surface of the telescopic jacket.
  • a pull ring is installed on one side of the swing plate, a driving hook is fixedly installed at one end of the telescopic inner rod that does not penetrate into the telescopic jacket, and the driving hook is connected with the pull ring hook sleeve.
  • the designed driving telescopic rod will drive the pressure plate to slide up and down in the heat preservation box, and automatically adjust the sliding distance according to the amount of food in the heat preservation box to ensure the heat preservation effect of the food.
  • the sliding distance of the pressure plate is relatively large, the space on the lower side of the pressure plate in the incubator, that is, the space occupied by the food is relatively small, and the heat loss will be relatively small.
  • the present invention designs a trigger strip. After the heat preservation cover is closed, the telescopic function of the driving telescopic rod is locked by the trigger strip to ensure that the pressure plate is in a static state during transportation. Prevent the occurrence of sliding phenomenon and affect the heat preservation effect.
  • the elastic coefficient of the limit spring designed by the present invention is relatively small.
  • the limit rod When the limit rod is not matched with the first slot opened on the heat preservation box, the end of the limit rod contacting the inner wall of the heat preservation box and the inner wall of the heat preservation box The friction between the two is relatively small, and there is no wear and tear; and the limit rod designed in the present invention has a straight face at one end with a reset slope, and the straight face can also reduce the wear of the limit rod and the inner wall of the incubator to a certain extent. .
  • the driving telescopic rod is connected with the swing plate through the driving hook and the pull ring, which facilitates disassembly and cleaning of the pressure plate.
  • the incubator designed in the present invention only needs to open the heat preservation cover when taking food, and then open the swing plate, and the swing plate is relatively short relative to the heat preservation cover, so when taking food, it is lowered to a certain extent. In order to prevent food from sticking to the arm by mistake; prevent soiling of the arm and food contamination.
  • Figure 1 is a schematic diagram of the overall appearance of the component.
  • Figure 2 is a schematic diagram of the overall component distribution.
  • Figure 3 is a schematic diagram of the overall component installation.
  • Figure 4 is a schematic diagram of the installation of the insulation box and the insulation cover.
  • Figure 5 is a schematic diagram of the coordination between the heat preservation box and the heat preservation cover.
  • Figure 6 is a schematic diagram of the structure of the heat preservation box and the heat preservation cover.
  • Figure 7 is a schematic diagram of the installation of the drive telescopic rod.
  • Fig. 8 is a schematic diagram of the structure of the driving telescopic rod.
  • Fig. 9 is a schematic diagram of the structure of the pressing plate.
  • Figure 10 is a schematic diagram of the installation of the limit rod.
  • Figure 11 is a schematic diagram of the fixed plate structure.
  • Figure 12 is a schematic diagram of the installation of the limit spring.
  • Figure 13 is a schematic diagram of the swing plate structure.
  • FIG. 1 and 2 it includes a heat preservation box body 1 and a heat preservation cover 2.
  • One end of the heat preservation cover 2 is hingedly mounted on the heat preservation box body 1; it is characterized in that: as shown in Figs. 1, 2 and 3 ,
  • the pressure plate 4 is slidably installed in the heat preservation box 1, as shown in FIG. Slot 42, the fixed plate 26 is in sliding fit with the inner wall surface of the heat preservation box 1, the swing plate 25 is swing-mounted in the swing plate installation groove 42; as shown in Figure 7, a drive is installed between the heat preservation cover 2 and the swing plate 25
  • the pressing plate 4 slides up and down in the heat preservation box body 1 and the swing plate 25 swings relative to the fixed plate 26 to drive the telescopic rod 3.
  • the designed driving telescopic rod 3 will drive the pressing plate 4 to slide up and down in the heat preservation box 1, and the sliding distance is automatically adjusted according to the amount of food in the heat preservation box 1 to ensure the heat preservation of the food Effect.
  • the sliding distance of the pressure plate 4 is relatively large, and the space under the pressure plate 4 in the heat preservation box 1, that is, the space occupied by the food is relatively small, and the heat loss will be relatively small.
  • the above-mentioned driving telescopic rod 3 is a telescopic structure, and a return spring 24 is installed on the inner side; a trigger bar 5 is also installed on the heat preservation cover 2, and the trigger bar 5 is connected to the driving telescopic rod 3 through a gear. Transmission connection; when the heat preservation cover 2 is closed, the trigger bar 5 is squeezed and triggered by the upper end surface of the heat preservation box 1, and the trigger bar 5 swings through gear transmission to lock the telescopic function of the driving telescopic rod 3.
  • the present invention designs the trigger strip 5, after the heat preservation cover 2 is closed, the telescopic rod 3 is driven by the trigger strip 5 The telescopic function locks up to ensure that the pressure plate 4 is in a static state during the transportation process, preventing sliding phenomenon and affecting the heat preservation effect.
  • a limit rod 27 is installed on the inner side of one end of the fixed plate 26 without a swing plate installation groove 42.
  • a limit spring 37 is installed between the limit rod 27 and the fixed plate 26.
  • the limit spring 37 is Tension spring with pretension; when the fixed plate 26 is on the uppermost side, the limit rod 27 is wrong, and the swing plate 25 is in a swing limit relative to the fixed plate 26. When the fixed plate 26 is not on the uppermost side, the limit rod 27 is Yes, the swinging position of the swing plate 25 relative to the fixed plate 26 is limited.
  • the elastic coefficient of the limit spring 37 designed by the present invention is relatively small.
  • the limit rod 27 is not matched with the first slot 13 opened on the heat preservation box 1, the end of the limit rod 27 contacting the inner wall of the heat preservation box 1 and The frictional force between the inner walls of the heat preservation box 1 is relatively small, and there is no wear and tear; and the limit rod 27 designed in the present invention has a straight face at one end of the reset slope 38, and the limit rod can be reduced to a certain extent through the straight face. 27 and the abrasion of the inner wall of the insulation box 1.
  • the three wall surfaces at one end of the insulation box 1 are equipped with limit bars 7 that limit the upward sliding of the pressure plate 4; the function of the limit bars 7 is to prevent the pressure plate 4 from automatically adjusting Or it is driven to be detached from the inner wall of the insulation box 1 during the upward sliding process, which affects normal use.
  • two symmetrically distributed mounting holes 32 are opened on both sides of one end of the swing plate mounting groove 42 opened on the fixing plate 26, and the lower side of the other end of the swing plate mounting groove 42 has The first step surface 35 is higher than the bottom surface; as shown in Figure 13, the bottom surface of the swing plate 25 has a second step surface 40.
  • One end of the swing plate 25 is symmetrically installed with two fixed shafts 41, and the swing plate 25 passes through two
  • the fixed shaft 41 and the two mounting holes 32 are installed on the fixed plate 26 in cooperation, and the second step surface 40 on the swing plate 25 is matched with the first step surface 35 at the lower end of the swing plate installation groove 42; the first step surface 35 is designed
  • the function of the second step surface 40 and the second step surface 40 is to ensure that the swing plate 25 is closed with the fixed plate 26, and the sealing performance of the contacting part is improved, and the heat preservation effect is improved.
  • both sides of the above-mentioned swing plate installation groove 42 without the installation hole 32 are arc surfaces that cooperate with the swing plate 25; the arc center line of the arc surface is the swing axis of the swing plate 25;
  • the arc-shaped surface is designed to prevent swinging interference between the swinging plate 25 and the swinging plate mounting groove 42 opened on the fixed plate 26 during the swinging process, and on the other hand, it reduces the gap and enhances the heat preservation effect.
  • a third sealing strip 33 is installed between the second step surface 40 on the swing plate 25 and the first adjustment surface in the swing plate installation groove 42; the swing plate installation groove 42 is installed on both sides without mounting holes 32
  • the functions of the first sealing strip 12, the second sealing strip 28 and the third sealing strip 33 are to ensure the sealing performance of the contact and mating parts of the swing plate 25 after being closed with the fixed plate 26, and to improve the heat preservation effect.
  • a second sealing strip 28 is installed between the above-mentioned fixing plate 26 and the inner wall surface of the heat preservation box 1; the function of the second sealing strip 28 is to ensure the sealing performance of the fixing plate 26 relative to the inner wall of the heat preservation box 1 and improve the heat preservation effect .
  • a second slot 39 is opened on the round surface of one end of the swing plate 25 where the fixed shaft 41 is installed, and a first slot 13 is opened on the wall surface of the upper end of the heat preservation box 1;
  • the swing plate installation groove 42 opened on the fixing plate 26 has a fourth installation groove 30 passing through the fixing plate 26 near the end where the installation hole 32 is opened.
  • the wall of the fourth installation groove 30 is opened
  • the third installation groove 29; as shown in Figure 12, one end of the limit rod 27 is opened with a reset slope 38, and a mounting slide 36 is installed on the limit rod 27.
  • the limit rod 27 is slidably mounted on the fourth In the installation groove 30, and the installation sliding plate 36 is slidingly fitted with the third installation groove 29, one end of the limit spring 37 is fixedly installed on the installation sliding plate 36, and the other end of the limit spring 37 is fixedly installed on the end surface of the third installation groove 29 .
  • the function of designing the reset slope 38 is to ensure that when the connecting fixed plate 26 moves down together after the swing plate 25 is closed, the limit rod 27 is squeezed into the first slot 13 under the action of the first slot 13 and the reset slope 38 Disengaged, the end that fits with the second slot 39 on the swing plate 25 can be smoothly inserted into the second slot 39 to limit the swing of the swing plate 25 relative to the fixed plate 26, so that the swing plate 25 and the fixed plate 26 are relatively stationary In the state, both can be driven by the telescopic rod 3 to slide down at the same time.
  • the thermal insulation cover 2 is provided with a first installation groove 8, one end of the first installation groove 8 is provided with a first shaft hole 9, and one end of the first shaft hole 9 is provided with a second installation groove 10.
  • a second shaft hole 11 is opened at one end of the second mounting groove 10;
  • the second shaft 19 is rotatably installed in the first shaft hole 9, and the trigger bar 5 is fixedly installed at one end of the second shaft 19 and is located in the first installation groove 8.
  • a leaf spring 20 is installed between the first mounting slots 8; the second gear 18 is fixedly mounted on the other end of the second rotating shaft 19 and is located in the second mounting slot 10, and the first rotating shaft 16 is rotatably mounted in the second shaft hole 11.
  • the first gear 17 is fixedly mounted on one end of the first rotating shaft 16 and is located in the second mounting slot 10.
  • the first gear 17 is meshed with the second gear 18;
  • the first rotating shaft 16 forms an acute angle with the thermal insulation cover 2.
  • the trigger bar 5 installed on the heat preservation cover 2 will be squeezed and swayed by the upper end surface of the heat preservation cover 2, the trigger bar 5 swings to drive the second shaft 19 to rotate, and the second shaft 19 rotates to drive The second gear 18 rotates.
  • the second gear 18 rotates to drive the first gear 17 to rotate.
  • the first gear 17 rotates to drive the first shaft 16 to rotate. .
  • the leaf spring 20 functions, the trigger strip 5 is reset.
  • the above-mentioned drive telescopic rod 3 includes a telescopic inner rod 21, a telescopic outer sleeve 22, an elliptical sliding column 23, and a return spring 24.
  • the joint 15 is connected with the first rotating shaft 16.
  • One end of the telescopic inner rod 21 is equipped with an elliptical sliding column 23, and one end of the telescopic inner rod 21 is installed in the telescopic housing 22 through the sliding cooperation of the elliptical sliding column 23 and the telescopic jacket 22.
  • the elliptical sliding column A return spring 24 is installed between 23 and the inner end surface of the telescopic jacket 22.
  • the elliptical sliding column 23 slides in the telescopic jacket 22, and the hook sleeve connection of the telescopic inner rod 21 and the swing plate 25 will not rotate relative to the swing plate 25, when the telescopic jacket 22 rotates, the telescopic jacket 22 will be in contact with the ellipse
  • the sliding column 23 is squeezed and rubbed, and the expansion and contraction between the telescopic outer sleeve 22 and the telescopic inner rod 21 is locked by the friction.
  • a pull ring 6 is installed on one side of the swing plate 25, a driving hook 14 is fixedly installed at one end of the telescopic inner rod 21 that does not penetrate into the telescopic casing 22, and the driving hook 14 is connected with the hook sleeve of the pull ring 6.
  • the purpose of this design is to facilitate the removal of the pressing plate 4.
  • a first sealing strip 12 is installed between the above-mentioned thermal insulation cover 2 and the upper end surface of the thermal insulation box 1.
  • the function of the first sealing strip 12 is to ensure the sealing performance between the thermal insulation cover 2 and the thermal insulation box body 1 and improve the thermal insulation effect.
  • the incubator designed in the present invention only needs to open the swing plate 25 through the heat preservation cover 2 when taking food, and the swing plate 25 is relatively short relative to the heat preservation cover 2, so when taking food, to a certain extent It reduces the occurrence of accidentally sticking food on the arm; prevents soiling of the arm and food contamination.
  • the elastic coefficient of the return spring 24 inside the driving telescopic rod 3 designed by the present invention is relatively small, but its original length is longer than the length in the driving telescopic rod 3.
  • the compression range of the return spring 24 during the working process of the driving telescopic rod 3 It is the best one-fifth of the original length, which can ensure that the compressible resistance of the driving telescopic rod 3 does not change much during the working process and maintains a small value, which reduces the requirements for sealing.
  • the designed driving telescopic rod 3 will drive the pressure plate 4 to slide up and down in the insulation box 1, according to the amount of food in the insulation box 1. To automatically adjust the sliding distance to ensure the heat preservation effect of the food.
  • the heat preservation cover 2 When taking food, open the heat preservation cover 2. When the heat preservation cover 2 is opened, it will drive the telescopic rod 3 to swing upwards. When the telescopic rod 3 is driven upwards, the return spring 24 inside it will reset.
  • the telescopic rod 3 drives the pressure plate 4 to move upward as a whole; during the upward movement of the pressure plate 4, when the limit rod 27 is matched with the first slot 13 opened on the insulation box 1, one end of the limit rod 27 will be inserted into the first slot 13 In a card slot 13, the fixed plate 26 is restricted by the heat preservation box 1, and the swing limit of the swing plate 25 relative to the fixed plate 26 is released.
  • the telescopic rod 3 is driven to extend to the longest state, and the heat preservation cover 2 continues When it is opened, the telescopic rod 3 is driven to continue to swing, and the swing plate 25 is pulled to swing upward relative to the fixed plate 26 to open, and then the food in the heat preservation box 1 is taken.
  • the limit rod 27 limits the fixed plate 26 and the insulation box 1, so when the pressure plate 4 is removed, the driving hook 14 and the pull ring 6 should be firstly connected. Open the connection, and then pull up the swing plate 25 to open the swing plate 25; after the swing plate 25 is opened, press down the fixed plate 26 to make the limit rod 27 between the limit fixed plate 26 and the insulation box 1 Disengage from the insulation box 1 to release the limit, and finally the pressure plate 4 can be removed for cleaning.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refrigerator Housings (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
  • Devices For Warming Or Keeping Food Or Tableware Hot (AREA)

Abstract

一种保温箱，涉及保温箱技术领域，它包括保温箱体（1）、保温盖（2），在保温盖（2）合上的时候，设计的驱动伸缩杆（3）会驱动压板（4）在保温箱体（1）内上下滑动，根据保温箱体（1）内食物的多少来自动调节滑动的距离，保证食物的保温效果。食物少的时候，压板（4）下滑的距离相对较大，保温箱体（1）内位于压板（4）下侧的空间即食物所占用的空间相对较小，热量损失就会相对较小。设计了触发条（5），在保温盖（2）合上后，通过触发条（5）将驱动伸缩杆（3）的伸缩功能锁死，确保压板（4）在搬运过程中处于静止状态，防止出现滑动现象，影响保温效果。

Description

一种保温箱 所属技术领域
本发明属于保温箱技术领域，尤其涉及一种保温箱。
背景技术
保温箱内的东西多少会直接影响保温效果，在散热面积相同的情况下，保温箱内东西越少，热源就越少，保温效果越差；而且因东西较少，保温箱内空余空间较大，空去空间内的空气会吸收一部分热量，降低了保温效果。
保温箱在使用过程中会经常被搬来搬去，在搬动过程中保温箱体内的食物就会出现晃动，散落到保温盖上，在打开保温盖后，保温盖边缘处的食物就会掉落到外侧，中间食物会重新掉落到保温箱内，而且人们在拿动过程中会将食物误粘在手臂上，一方面弄脏了手臂，另一方面被手臂污染的食物在掉落到保温箱内后污染整体食物。
本发明设计一种保温箱解决如上问题。
发明内容
为解决现有技术中的上述缺陷，本发明公开一种保温箱，它是采用以下技术方案来实现的。
一种保温箱，它包括保温箱体、保温盖，其中保温盖的一端通过铰接的方式安装在保温箱体上；其特征在于：所述保温箱体内滑动安装有压板，所述压板是由固定板和摆板两部分组成，固定板的一端开有上下贯通的摆板安装槽，固定板与保温箱体的内壁面滑动配合，摆板摆动安装在摆板安装槽内；所述保温盖与摆板之间安装有驱动压板在保温箱体内上下滑动和摆板相对固定板摆动的驱动伸缩杆。
上述驱动伸缩杆为伸缩结构，且内侧安装有复位弹簧；所述保温盖上还安装有触发条，触发条通过齿轮与驱动伸缩杆传动连接；当保温盖合上后，触发条被保温箱体的上端面挤压触发摆动，触发条摆动通过齿轮传动使得驱动伸缩杆的伸缩功能锁死。
上述固定板未开有摆板安装槽一端的内侧安装有限位杆，限位杆与固定板之 间安装有限位弹簧，限位弹簧为拉伸弹簧，且具有预拉力；在固定板位于最上侧时，限位杆不对，摆板相对于固定板的摆动限位，固定板位于非最上侧时，限位杆对，摆板相对于固定板的摆动限位。
作为本技术的进一步改进，上述保温箱体一端的三个壁面上安装有对压板向上滑动起到限位作用的限位条。
上述保温盖与保温箱体上端面之间安装有第一密封条。
作为本技术的进一步改进，上述固定板上所开的摆板安装槽一端的两侧面上开有两个对称分布的安装孔，摆板安装槽另一端的下侧具有高于底面的第一台阶面；摆板的底面上具有第二台阶面，摆板的一端对称的安装有两个固定轴，摆板通过两个固定轴与两个安装孔的配合安装在固定板上，且摆板上的第二台阶面与摆板安装槽下端的第一台阶面配合。
上述摆板安装槽内未开有安装孔的两侧面均为与摆板摆动配合的弧形面；弧形面的弧心线为摆板摆动的轴线。
上述摆板上的第二台阶面和摆板安装槽内的第一调节面之间安装有第三密封条；摆板安装槽内未开有安装孔的两侧面上安装有第一弧形密封条和第二弧形密封条。
上述固定板与保温箱体内壁面之间安装有第二密封条。
作为本技术的进一步改进，上述摆板安装有固定轴一端的圆面上开有第二卡槽，保温箱体上端的壁面上开有第一卡槽。
上述固定板上所开的摆板安装槽靠近开有安装孔的一端开有贯穿固定板的第四安装槽，第四安装槽的壁面上开有第三安装槽；限位杆的一端开有复位斜面，限位杆上安装有安装滑板，限位杆滑动安装在第四安装槽内，且安装滑板与第三安装槽滑动配合，限位弹簧的一端固定安装在安装滑板上，限位弹簧的另一端固定安装在第三安装槽的端面上。
作为本技术的进一步改进，上述保温盖上开有第一安装槽，第一安装槽的一端开有第一轴孔，第一轴孔的一端开有第二安装槽，第二安装槽的一端开有第二轴孔。
第二转轴旋转安装在第一轴孔内，触发条固定安装在第二转轴的一端，且位于第一安装槽内，触发条与第一安装槽之间安装有板簧；第二齿轮固定安装在第 二转轴的另一端，且位于第二安装槽内，第一转轴旋转安装在第二轴孔内，第一齿轮固定安装在第一转轴的一端，且位于第二安装槽内，第一齿轮与第二齿轮啮合；驱动伸缩杆的一端通过万向节安装在第一转轴的另一端；第一转轴与保温盖成锐角，当固定板上下滑动到其行程的中间位置，且保温盖处于关闭状态时，第一转轴与伸缩杆共线。
上述驱动伸缩杆包括伸缩内杆、伸缩外套、椭圆滑动柱、复位弹簧，其中伸缩外套的内圆面为椭圆状，伸缩外套的一端通过万向节与第一转轴连接，伸缩内杆的一端安装有椭圆滑动柱，伸缩内杆的一端通过椭圆滑动柱与伸缩外套的滑动配合安装在伸缩外套内，椭圆滑动柱与伸缩外套内端面之间安装有复位弹簧。
上述摆板的一侧安装有拉环，伸缩内杆未穿入伸缩外套内的一端固定安装有驱动钩，驱动钩与拉环钩套连接。
相对于传统的保温箱技术，本发明设计的有益效果如下：
1、本发明在保温盖合上的时候，设计的驱动伸缩杆会驱动压板在保温箱体内上下滑动，根据保温箱体内食物的多少来自动调节滑动的距离，保证食物的保温效果。食物少的时候，压板下滑的距离相对较大，保温箱体内位于压板下侧的空间即食物所占用的空间相对较小，热量损失就会相对较小。
2、因保温箱在使用过程中会经常被搬来搬去，在搬动过程中保温箱体内的食物就会出现晃动，进而挤压压板，使得压板滑动；压板滑动就会使得保温箱体内位于压板下侧的空间出现变化，影响保温效果；所以本发明设计了触发条，在保温盖合上后，通过触发条将驱动伸缩杆的伸缩功能锁死，确保压板在搬运过程中处于静止状态，防止出现滑动现象，影响保温效果。
3、本发明设计的限位弹簧弹性系数相对较小，在限位杆未与保温箱体上所开的第一卡槽配合时，限位杆接触保温箱体内壁的一端与保温箱体内壁之间的摩擦力相对较小，不会出现磨损的现象；而且本发明设计的限位杆具有复位斜面的一端具有直面，通过直面也可以一定程度上降低限位杆与保温箱体内壁的磨损。
4、本发明中驱动伸缩杆通过驱动钩和拉环与摆板连接，方便拆卸对压板进行清理。
5、本发明设计的保温箱，在拿取食物的时候，只需要将保温盖打开，进而使摆板打开，而摆板相对保温盖较矮，所以在拿取食物的时候，一定程度上降低 了将食物误粘在手臂上的情况发生；防止弄脏手臂和污染食物。
附图说明
图1是整体部件外观示意图。
图2是整体部件分布示意图。
图3是整体部件安装示意图。
图4是保温箱体和保温盖安装示意图。
图5是保温箱体和保温盖配合示意图。
图6是保温箱体和保温盖结构示意图。
图7是驱动伸缩杆安装示意图。
图8是驱动伸缩杆结构示意图。
图9是压板结构示意图。
图10是限位杆安装示意图。
图11是固定板结构示意图。
图12是限位弹簧安装示意图。
图13是摆板结构示意图。
图中标号名称：1、保温箱体；2、保温盖；3、驱动伸缩杆；4、压板；5、触发条；6、拉环；7、限位条；8、第一安装槽；9、第一轴孔；10、第二安装槽；11、第二轴孔；12、第一密封条；13、第一卡槽；14、驱动钩；15、万向节；16、第一转轴；17、第一齿轮；18、第二齿轮；19、第二转轴；20、板簧；21、伸缩内杆；22、伸缩外套；23、椭圆滑动柱；24、复位弹簧；25、摆板；26、固定板；27、限位杆；28、第二密封条；29、第三安装槽；30、第四安装槽；31、第一弧形密封条；32、安装孔；33、第三密封条；34、第二弧形密封条；35、第一台阶面；36、安装滑板；37、限位弹簧；38、复位斜面；39、第二卡槽；40、第二台阶面；41、固定轴；42、摆板安装槽。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例或者附图用于说明本发明，但不用来限制本发明的范围。
如图1、2所示，它包括保温箱体1、保温盖2，其中保温盖2的一端通过铰接的方式安装在保温箱体1上；其特征在于：如图1、2、3所示，所述保温箱体 1内滑动安装有压板4，如图9所示，所述压板4是由固定板26和摆板25两部分组成，固定板26的一端开有上下贯通的摆板安装槽42，固定板26与保温箱体1的内壁面滑动配合，摆板25摆动安装在摆板安装槽42内；如图7所示，所述保温盖2与摆板25之间安装有驱动压板4在保温箱体1内上下滑动和摆板25相对固定板26摆动的驱动伸缩杆3。本发明在保温盖2合上的时候，设计的驱动伸缩杆3会驱动压板4在保温箱体1内上下滑动，根据保温箱体1内食物的多少来自动调节滑动的距离，保证食物的保温效果。食物少的时候，压板4下滑的距离相对较大，保温箱体1内位于压板4下侧的空间即食物所占用的空间相对较小，热量损失就会相对较小。
如图2、3、8所示，上述驱动伸缩杆3为伸缩结构，且内侧安装有复位弹簧24；所述保温盖2上还安装有触发条5，触发条5通过齿轮与驱动伸缩杆3传动连接；当保温盖2合上后，触发条5被保温箱体1的上端面挤压触发摆动，触发条5摆动通过齿轮传动使得驱动伸缩杆3的伸缩功能锁死。这样设计的目的是，因保温箱在使用过程中会经常被搬来搬去，在搬动过程中保温箱体1内的食物就会出现晃动，进而挤压压板4，使得压板4滑动；压板4滑动就会使得保温箱体1内位于压板4下侧的空间出现变化，影响保温效果；所以本发明设计了触发条5，在保温盖2合上后，通过触发条5将驱动伸缩杆3的伸缩功能锁死，确保压板4在搬运过程中处于静止状态，防止出现滑动现象，影响保温效果。
如图3、10所示，上述固定板26未开有摆板安装槽42一端的内侧安装有限位杆27，限位杆27与固定板26之间安装有限位弹簧37，限位弹簧37为拉伸弹簧，且具有预拉力；在固定板26位于最上侧时，限位杆27不对，摆板25相对于固定板26的摆动限位，固定板26位于非最上侧时，限位杆27对，摆板25相对于固定板26的摆动限位。
在限位杆27未与保温箱体1上所开的第一卡槽13配合时，限位杆27的一端被保温箱体1的内壁挤压，另一端插入摆板25上所开的第二卡槽39内，对摆板25相对固定板26的摆动限位，此时摆板25和固定板26处于相对静止状态，两者可以被驱动伸缩杆3同时驱动上下滑动；当限位杆27与保温箱体1上所开的第一卡槽13配合时，限位杆27的一端插入第一卡槽13内，固定板26被保温箱体1限位，而摆板25相对固定板26的摆动限位被解除，此时驱动伸缩杆3 拉动摆板25就能够使得摆板25相对固定板26上摆打开，进而拿取保温箱体1内的食物。
本发明设计的限位弹簧37弹性系数相对较小，在限位杆27未与保温箱体1上所开的第一卡槽13配合时，限位杆27接触保温箱体1内壁的一端与保温箱体1内壁之间的摩擦力相对较小，不会出现磨损的现象；而且本发明设计的限位杆27具有复位斜面38的一端具有直面，通过直面也可以一定程度上降低限位杆27与保温箱体1内壁的磨损。
如图4、5所示，上述保温箱体1一端的三个壁面上安装有对压板4向上滑动起到限位作用的限位条7；限位条7的作用是防止压板4在自动调节或者被驱动向上滑动过程中与保温箱体1内壁脱开，影响正常的使用。
如图9、10、11所示，上述固定板26上所开的摆板安装槽42一端的两侧面上开有两个对称分布的安装孔32，摆板安装槽42另一端的下侧具有高于底面的第一台阶面35；如图13所示，摆板25的底面上具有第二台阶面40，摆板25的一端对称的安装有两个固定轴41，摆板25通过两个固定轴41与两个安装孔32的配合安装在固定板26上，且摆板25上的第二台阶面40与摆板安装槽42下端的第一台阶面35配合；设计第一台阶面35和第二台阶面40的作用是保证摆板25在与固定板26合上后，接触配合部位的密封性，提高保温效果。
如图11所示，上述摆板安装槽42内未开有安装孔32的两侧面均为与摆板25摆动配合的弧形面；弧形面的弧心线为摆板25摆动的轴线；弧形面的设计是防止摆板25在摆动过程中与固定板26上所开的摆板安装槽42之间发生摆动干涉，另一方面减小间隙，增强保温效果。
上述摆板25上的第二台阶面40和摆板安装槽42内的第一调节面之间安装有第三密封条33；摆板安装槽42内未开有安装孔32的两侧面上安装有第一弧形密封条31和第二弧形密封条34。第一密封条12、第二密封条28和第三密封条33的作用是保证摆板25在与固定板26合上后，接触配合部位的密封性，提高保温效果。
上述固定板26与保温箱体1内壁面之间安装有第二密封条28；第二密封条28的作用是保证固定板26在相对保温箱体1内壁滑动过程中的密封性，提高保温效果。
如图13所示，上述摆板25安装有固定轴41一端的圆面上开有第二卡槽39，保温箱体1上端的壁面上开有第一卡槽13；
如图11所示，上述固定板26上所开的摆板安装槽42靠近开有安装孔32的一端开有贯穿固定板26的第四安装槽30，第四安装槽30的壁面上开有第三安装槽29；如图12所示，限位杆27的一端开有复位斜面38，限位杆27上安装有安装滑板36，如图10所示，限位杆27滑动安装在第四安装槽30内，且安装滑板36与第三安装槽29滑动配合，限位弹簧37的一端固定安装在安装滑板36上，限位弹簧37的另一端固定安装在第三安装槽29的端面上。设计复位斜面38的作用是，保证在摆板25合上后连通固定板26一起下移时，在第一卡槽13和复位斜面38的作用下限位杆27被挤压与第一卡槽13脱开，与摆板25上第二卡槽39配合的一端能够顺利插入第二卡槽39内，对摆板25相对固定板26的摆动限位，使得摆板25和固定板26处于相对静止状态，两者可以被驱动伸缩杆3同时驱动向下滑动。
如图6所示，上述保温盖2上开有第一安装槽8，第一安装槽8的一端开有第一轴孔9，第一轴孔9的一端开有第二安装槽10，第二安装槽10的一端开有第二轴孔11；
如图2、6、7所示，第二转轴19旋转安装在第一轴孔9内，触发条5固定安装在第二转轴19的一端，且位于第一安装槽8内，触发条5与第一安装槽8之间安装有板簧20；第二齿轮18固定安装在第二转轴19的另一端，且位于第二安装槽10内，第一转轴16旋转安装在第二轴孔11内，第一齿轮17固定安装在第一转轴16的一端，且位于第二安装槽10内，第一齿轮17与第二齿轮18啮合；驱动伸缩杆3的一端通过万向节15安装在第一转轴16的另一端，第一转轴16与保温盖2成锐角，当固定板26上下滑动到其行程的中间位置，且保温盖2处于关闭状态时，第一转轴16与伸缩杆共线。
本发明中当保温盖2合上时，安装在保温盖2上的触发条5会被保温盖2的上端面挤压摆动，触发条5摆动带动第二转轴19转动，第二转轴19转动带动第二齿轮18旋转，第二齿轮18旋转带动第一齿轮17旋转，第一齿轮17旋转带动第一转轴16转动，第一转轴16转动通过万向节15带动驱动伸缩杆3的伸缩外套22旋转。板簧20的作用时对触发条5起到复位作用。
如图8所示，上述驱动伸缩杆3包括伸缩内杆21、伸缩外套22、椭圆滑动柱23、复位弹簧24，其中伸缩外套22的内圆面为椭圆状，伸缩外套22的一端通过万向节15与第一转轴16连接，伸缩内杆21的一端安装有椭圆滑动柱23，伸缩内杆21的一端通过椭圆滑动柱23与伸缩外套22的滑动配合安装在伸缩外套22内，椭圆滑动柱23与伸缩外套22内端面之间安装有复位弹簧24。
本发明中因椭圆滑动柱23在伸缩外套22内滑动，且伸缩内杆21与摆板25钩套连接不会相对摆板25旋转，所以当伸缩外套22旋转时，伸缩外套22就会与椭圆滑动柱23挤压摩擦，通过摩擦使得伸缩外套22和伸缩内杆21之间的伸缩被锁死。
如图3所示，上述摆板25的一侧安装有拉环6，伸缩内杆21未穿入伸缩外套22内的一端固定安装有驱动钩14，驱动钩14与拉环6钩套连接。这样设计的目的是方便取下压板4。
如图5、6所示，上述保温盖2与保温箱体1上端面之间安装有第一密封条12。第一密封条12的作用是保证保温盖2与保温箱体1之间的密封性，提高保温效果。
本发明设计的保温箱，在拿取食物的时候，只需要通过保温盖2将摆板25打开即可，而摆板25相对保温盖2较矮，所以在拿取食物的时候，一定程度上降低了将食物误粘在手臂上的情况发生；防止弄脏手臂和污染食物。
本发明设计的的驱动伸缩杆3内部的复位弹簧24弹性系数较小，但其原始长度相对位于驱动伸缩杆3内的长度而言更长，驱动伸缩杆3工作过程中复位弹簧24的压缩幅度为原始长度的五分之一最佳，能保证驱动伸缩杆3在工作过程中的可压缩阻力的变化不大且维持一个较小的值，减小对密封的要求。
具体工作流程：当使用本发明设计的保温箱，在保温盖2合上的时候，设计的驱动伸缩杆3会驱动压板4在保温箱体1内上下滑动，根据保温箱体1内食物的多少来自动调节滑动的距离，保证食物的保温效果。
在拿取食物的时候，打开保温盖2，保温盖2在打开的时候，会带动驱动伸缩杆3上摆，驱动伸缩杆3上摆的时候，其内侧的复位弹簧24复位，复位之后，驱动伸缩杆3带动压板4整体上移；在压板4上移过程中，当限位杆27与保温箱体1上所开的第一卡槽13配合时，限位杆27的一端就会插入第一卡槽13内， 固定板26被保温箱体1限位，而摆板25相对固定板26的摆动限位被解除，此时驱动伸缩杆3伸长到最长状态，在保温盖2继续打开的时候，驱动伸缩杆3继续摆动，拉动摆板25相对固定板26上摆打开，进而拿取保温箱体1内的食物。
在取下压板4进行清理时，因压板4处于最上测，限位杆27对固定板26和保温箱体1限位，所以在取下压板4时，首先应将驱动钩14与拉环6的连接打开，然后上拉摆板25，使得摆板25打开；在摆板25打开后，下压固定板26，使得限位固定板26与保温箱体1之间限位的限位杆27与保温箱体1脱开解除限位，最后就可以取下压板4进行清理。

Claims (5)

  1. 一种保温箱，它包括保温箱体、保温盖，其中保温盖的一端通过铰接的方式安装在保温箱体上；其特征在于：所述保温箱体内滑动安装有压板，所述压板是由固定板和摆板两部分组成，固定板的一端开有上下贯通的摆板安装槽，固定板与保温箱体的内壁面滑动配合，摆板摆动安装在摆板安装槽内；所述保温盖与摆板之间安装有驱动压板在保温箱体内上下滑动和摆板相对固定板摆动的驱动伸缩杆；
    上述驱动伸缩杆为伸缩结构，且内侧安装有复位弹簧；所述保温盖上还安装有触发条，触发条通过齿轮与驱动伸缩杆传动连接；当保温盖合上后，触发条被保温箱体的上端面挤压触发摆动，触发条摆动通过齿轮传动使得驱动伸缩杆的伸缩功能锁死；
    上述固定板未开有摆板安装槽一端的内侧安装有限位杆，限位杆与固定板之间安装有限位弹簧，限位弹簧为拉伸弹簧，且具有预拉力；在固定板位于最上侧时，限位杆不对，摆板相对于固定板的摆动限位，固定板位于非最上侧时，限位杆对，摆板相对于固定板的摆动限位。
  2. 根据权利要求1所述的一种保温箱，其特征在于：上述保温箱体一端的三个壁面上安装有对压板向上滑动起到限位作用的限位条；
    上述保温盖与保温箱体上端面之间安装有第一密封条。
  3. 根据权利要求1所述的一种保温箱，其特征在于：上述固定板上所开的摆板安装槽一端的两侧面上开有两个对称分布的安装孔，摆板安装槽另一端的下侧具有高于底面的第一台阶面；摆板的底面上具有第二台阶面，摆板的一端对称的安装有两个固定轴，摆板通过两个固定轴与两个安装孔的配合安装在固定板上，且摆板上的第二台阶面与摆板安装槽下端的第一台阶面配合；
    上述摆板安装槽内未开有安装孔的两侧面均为与摆板摆动配合的弧形面；弧形面的弧心线为摆板摆动的轴线；
    上述摆板上的第二台阶面和摆板安装槽内的第一调节面之间安装有第三密封条；摆板安装槽内未开有安装孔的两侧面上安装有第一弧形密封条和第二弧形密封条；
    上述固定板与保温箱体内壁面之间安装有第二密封条。
  4. 根据权利要求1所述的一种保温箱，其特征在于：上述摆板安装有固定轴一端的圆面上开有第二卡槽，保温箱体上端的壁面上开有第一卡槽；
    上述固定板上所开的摆板安装槽靠近开有安装孔的一端开有贯穿固定板的第四安装槽，第四安装槽的壁面上开有第三安装槽；限位杆的一端开有复位斜面，限位杆上安装有安装滑板，限位杆滑动安装在第四安装槽内，且安装滑板与第三安装槽滑动配合，限位弹簧的一端固定安装在安装滑板上，限位弹簧的另一端固定安装在第三安装槽的端面上。
  5. 根据权利要求1所述的一种保温箱，其特征在于：上述保温盖上开有第一安装槽，第一安装槽的一端开有第一轴孔，第一轴孔的一端开有第二安装槽，第二安装槽的一端开有第二轴孔；
    第二转轴旋转安装在第一轴孔内，触发条固定安装在第二转轴的一端，且位于第一安装槽内，触发条与第一安装槽之间安装有板簧；第二齿轮固定安装在第二转轴的另一端，且位于第二安装槽内，第一转轴旋转安装在第二轴孔内，第一齿轮固定安装在第一转轴的一端，且位于第二安装槽内，第一齿轮与第二齿轮啮合；驱动伸缩杆的一端通过万向节安装在第一转轴的另一端；第一转轴与保温盖成锐角，当固定板上下滑动到其行程的中间位置，且保温盖处于关闭状态时，第一转轴与伸缩杆共线；
    上述驱动伸缩杆包括伸缩内杆、伸缩外套、椭圆滑动柱、复位弹簧，其中伸缩外套的内圆面为椭圆状，伸缩外套的一端通过万向节与第一转轴连接，伸缩内杆的一端安装有椭圆滑动柱，伸缩内杆的一端通过椭圆滑动柱与伸缩外套的滑动配合安装在伸缩外套内，椭圆滑动柱与伸缩外套内端面之间安装有复位弹簧；
    上述摆板的一侧安装有拉环，伸缩内杆未穿入伸缩外套内的一端固定安装有驱动钩，驱动钩与拉环钩套连接。
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