CN209990252U - Heat dissipation plate with hidden handle - Google Patents

Abstract

The utility model provides a heating panel of hidden handle, the handle includes the handle body and can drives the flexible or hidden drive arrangement of the handle body, be provided with the heating panel between the handle body and the drive arrangement. The utility model provides a pair of heating panel of hidden handle when providing the protection for actuating mechanism provides mounted position, can effectively dispel the heat to actuating mechanism.

Description

Heat dissipation plate with hidden handle

Technical Field

The utility model belongs to the technical field of household electrical appliances, especially heating panel of the hidden handle of household electrical appliances.

Background

At present, most of household appliances with storage spaces, such as door handles of steam ovens and disinfection cabinets, are usually fixed on the outer surface of a door body through a handle seat, the whole handle extends out of the door body to give a sharp feeling and influence the overall appearance of the product, and when the household appliances are placed in a kitchen, the handle protruding out of the surface of the door body additionally occupies limited space of the kitchen, so that the movement space of a user in the kitchen is reduced. When the handle is driven by the motor, the motor needs to be protected safely due to small space, and no effective heat dissipation is achieved, so that corresponding damage is caused to the motor and the handle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses main aim at solves above-mentioned problem and not enough, provides a heating panel of hidden handle.

The utility model provides a pair of hidden handle's heating panel, its technical scheme is:

a heat dissipation plate of a hidden handle comprises a handle body and a driving device capable of driving the handle body to stretch or hide, and the heat dissipation plate is arranged between the handle body and the driving device.

Further, the heat dissipation plate has an arc curved toward the driving device.

Furthermore, the back of the heat dissipation plate is provided with a screw seat for fixing and supporting.

Furthermore, the heat dissipation plate is provided with a plurality of air holes for dissipating the operation heat of the driving device.

Furthermore, one end of the linkage mechanism is connected with the handle body, the other end of the linkage mechanism is connected with the driving device, and a slot hole for the linkage mechanism to go in and out is formed in the heat dissipation plate.

Furthermore, the linkage mechanism comprises a driving rod and a driven rod, and the heights of the groove holes corresponding to the driving rod and the driven rod are different.

Furthermore, the linkage mechanism is fixed with the driving device through a connecting seat, a fixing baffle is arranged at the position of the heat dissipation plate, which is opposite to the side wall of the connecting seat, and the connecting seat is inserted between the two corresponding fixing baffles and fixed with the heat dissipation plate.

Furthermore, the bottom of the fixed baffle protrudes out of the bottom of the heat dissipation plate, and a convex edge is arranged between the two fixed baffles.

Furthermore, two ends of the heat dissipation plate are provided with backward folded edges.

Furthermore, the top of the heat dissipation plate is provided with a continuous backward and downward fixing folded edge, and the fixing folded edge is fixed with the fixing device of the handle.

To sum up, the utility model provides a pair of heating panel of hidden handle compares with prior art, has following advantage:

1. the heat dissipation plate has a simple structure, and can effectively dissipate heat of the driving mechanism while effectively protecting the driving circuit;

2. the screw seat can synchronously play a role in supporting and fixing, so that the strength of the heat dissipation plate is enhanced;

3. the fixing folded edge formed by continuously bending the top of the heat dissipation plate further strengthens the strength of the heat dissipation plate and provides an installation position for the driving device.

Description of the drawings:

FIG. 1: the first handle structure diagram (without heat dissipation plate) in the heat dissipation plate of the hidden handle of the utility model;

FIG. 2: the handle structure in the heat dissipation plate of the hidden handle of the utility model is shown as a second (without heat dissipation plate);

FIG. 3: FIG. 1 is a sectional view taken along line A-A;

FIG. 4: the utility model relates to a handle structure schematic diagram III (including a heat dissipation plate) in a heat dissipation plate of a hidden handle;

FIG. 5: the utility model relates to a heat dissipation plate structure schematic diagram of a hidden handle;

FIG. 6: the structure of the handle body in the heat dissipation plate of the hidden handle of the utility model is shown schematically (back);

FIG. 7: the third schematic view (embodiment three) of the handle structure in the heat dissipation plate of the hidden handle of the present invention;

FIG. 8: the fourth schematic view (the third embodiment) of the handle structure in the hidden handle heat dissipation plate of the present invention;

FIG. 9: the utility model relates to a handle structure schematic diagram in hidden handle heating panel five (embodiment three).

The fixing device comprises a fixing device 1, a front plate 11, a supporting plate 12, a back plate 13, left and right side plates 14, a driving mechanism 2, a motor 21, a pinion 22, a large gear 23, a rotating shaft 24, a gear baffle plate 25, a motor mounting seat 26, a linkage mechanism 3, a driving rod 31, a driven rod 32, a driven shaft 33, a mounting seat 34, a fixing hole 35, a mounting groove 36, a door body 4, left and right frames 41, a heat dissipation plate 5, an air vent 51, a screw seat 52, a slotted hole 53, a fixing baffle plate 54, a convex edge 55, an avoiding area 56, a back cover plate 6, a handle body 7, a connecting piece 71, a decoration piece 72, a torsion spring 8, a buckle 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a heating panel 5 of hidden handle, handle include the handle body 7 and can drive the flexible or hidden drive arrangement 2 of the handle body, are provided with heating panel 5 between the handle body 7 and the drive arrangement 2.

Example one

Take the steaming oven as an example, introduce the utility model provides a specific structure of the heating panel 5 of hidden door handle and the fixed mounting of hidden handle and door body 4. A hidden door handle can be installed at the end part of a three-layer glass door body 4 of an existing steaming and baking oven, the outer surface of the handle is flush with the outer surface of the door body 4 to be in a hidden state in a normal state, and after an opening command is received, the handle extends outwards, so that a holding space is formed between the handle and the door body 4, and the door body 4 is pulled open.

As shown in fig. 1 to 4, taking the hidden handle and the steam oven door 4 as an example, the steam oven door 4 includes three layers of glass arranged in parallel, a left frame 41 and a right frame 41 of the door 4, and a top frame, which are the prior art and are not required to be repeated, the difference lies in that the top height of the second layer of glass is lower than that of the other two layers of glass plates, the hidden door handle is fixed with the door 4 through a fixing device 1, the fixing device 1 includes a fixing seat, as shown in fig. 1, and includes a back plate 13, a support plate 12, and a front plate 11 connected in sequence, the included angle between the two adjacent plates is 90 °, or the included angle between the two adjacent plates is set according to the structural requirement, the back plate 13, the support plate 12, and the front plate 11 are integrally formed, the plates are sequentially bent into a Z-shaped structure, the two sides of the support plate 12 are bent to form a left side plate 14 and a right side plate 14, the left side plate 14 and the right frame The side is fixed, makes fixing device 1 install in the space between the left and right sides frame 41 of the door body 4 and the top frame to when making the handle body 7 be in the shrink state, the surface of the handle body 7 and the surface parallel and level of foremost side glass, the back of backup pad 12 bottom and postnotum 13 is fixed with high-efficient insulation material, avoids the inside or heat between the adjacent two-layer glass board of box to dispel through backup pad 12, also reduces the temperature of the handle body 7 when reducing the inside calorific loss of box. A plurality of heat insulation collodions arranged at intervals are arranged between the back plate 13 and the innermost glass of the door body 4 of the steaming and baking oven. The fixing device 1 may be formed by bending a plate material as described above, and may be separately fixed to the door 4, or the interlocking mechanism 3 may be fixed to the frame of the door 4 by using a structure related to the frame of the door 4 as it is.

The fixing device 1 is provided with a driving mechanism which is fixed with the handle body 7 and drives the handle body 7 to extend or withdraw, in the utility model, the driving mechanism adopts electric drive, the driving mechanism comprises a single output motor 21, the motor 21 is fixed with a mounting seat 34 of the top motor 21 of the supporting plate 12, one side of the top of the mounting seat 34 of the motor 21 is provided with a gear baffle 25, an output shaft of the motor 21 passes through the gear baffle 25 and then is fixed with a pinion 22, a gearwheel 23 is meshed with the pinion 22, a rotating shaft 24 is fixed with a central hole of the gearwheel 23, the rotating shaft 24 comprises two parts which are connected with each other and integrally formed, the length direction of one part of the cylinder body is subjected to edge cutting treatment, so that the rotating shaft 24 forms a cylinder-like structure with a D-shaped section, the section size of the cylinder-like structure is matched with the central hole of the gearwheel 23, the other part of the rotating shaft 24, a limiting surface is formed, the cylinder-like structure of the rotating shaft 24 is inserted into the center of the large gear 23 until the limiting surface abuts against the end surface of the large gear 23, and the rotating shaft 24 and the large gear 23 are installed in place, so that the large gear 23 is limited between the side surface of the installation seat 34 of the motor 21 and the limiting surface of the rotating shaft 24, and the position of the large gear 23 is further limited. The matching of the center hole of the large gear 23 and the cylinder-like body of the rotating shaft 24 is only one embodiment of the rotating shaft 24 driven by the gear, so that the field installation is simple and labor-saving, in practical application, the fixing mode of the rotating shaft 24 and the large gear 23 can adopt any connecting and fixing mode in the prior art, and the rotation of the large gear 23 can drive the rotating shaft 24 to rotate.

The driving device 2 is connected with the linkage mechanism 3, the handle body 7 is driven to move through the linkage mechanism 3, and the linkage mechanism 3 comprises a linkage rod with one end fixed with the rotating shaft 24 and the other end fixed with the back of the handle body 7. As shown in fig. 1, two ends of the supporting plate 12 are respectively fixed with a mounting seat 34 having a mounting groove 36, one end of the linkage rod is disposed in the mounting groove 36, an end of the rotating shaft 24 passes through shaft holes on two side walls of the mounting groove 36 and can rotate in the shaft holes, one end of the linkage rod is fixed with the rotating shaft 24 in the mounting groove 36 and rotates under the driving of the rotating shaft 24, a fixing hole 35 which can match with the structure and size of the rotating shaft 24 is disposed at an end of the linkage rod, or a C-shaped groove is disposed, and the rotating shaft 24 is inserted into the mounting groove 36 and fixed with the linkage rod. In the utility model, two mounting grooves 36 are arranged in parallel on the single-side mounting seat 34, two linkage rods are arranged, each mounting groove 36 is internally provided with one linkage rod, the two linkage rods can be both fixed with the rotating shaft 24 and rotate under the driving of the rotating shaft 24, or one linkage rod is a driving rod 31 arranged on the outer side, one end of the linkage rod is fixed with the rotating shaft 24 in the mounting groove 36 and rotates under the driving of the rotating shaft 24, the other end of the linkage rod is fixed with the back surface of the door body 4, the other linkage rod is a driven rod 32, one end of the inner side (the side close to the motor 21) of the driving rod 31 is fixed with the other mounting groove 36 through a driven shaft 33, so that the mounting seat 34 can be fixed with the supporting plate 12, the other end of the linkage rod is fixed with the back surface of the door body 4, when the driving rod 31 rotates under the driving of the rotating shaft 24 to drive the handle body 7 to extend, the driven lever 32 serves to provide auxiliary power to balance the running track of the handle body 7. The driven rod 32 and the driving rod 31 have the same structure, so that the mold opening cost is reduced, the driven rod is of an L-shaped structure, the joint of the two side walls is rounded, the joint is in smooth transition, one side arm of the L-shaped structure is fixed with the rotating shaft 24 or the driven shaft 33, and the other side arm of the L-shaped structure is fixed with the handle body 7. Driven shaft 33 runs through two mounting grooves 36, both ends are fixed with two lateral walls in the outside of mounting groove 36 respectively, driven shaft 33 and pivot 24 parallel arrangement, the position height is different, and the relative pivot 24's in position of driven shaft 33 position direction more is close to the handle body 7, therefore, driven shaft 33 is when providing erection fixation position for driven lever 32, play the limiting displacement to driving lever 31, prevent that the rotation angle of driving lever 31 is too big, after the handle body 7 is opened, further play the supporting role to driving lever 31. An avoiding groove is formed in the position, corresponding to the active rod 31, of the rear back plate 13, the avoiding groove is used for avoiding rotation of the active rod 31, the circle guiding parts at the connecting positions of the arms on the two sides of the active rod 31 are located in the avoiding groove, and the avoiding groove provides enough rotation space. Since the driven shaft 33 is relatively close to the handle body 7, the overall position of the driven rod 32 moves towards the handle body 7, and therefore, a sufficient gap is left between the rear part of the driven rod 32 and the rear plate of the fixing device 1 for the driven rod 32 to rotate, an avoiding groove for the driven rod 32 to rotate is not required to be formed in the rear plate, and heat loss entering the handle body 7 from the interior of the box body and the interior of the door body 4 is reduced. In practical application, as shown in fig. 2, the driving mechanism may also adopt a dual-output motor 21, output shafts at two ends of the motor 21 are respectively fixed with a rotating shaft 24, one ends of the two rotating shafts 24 may be respectively fixed with the output shaft of the motor 21, or indirectly driven by the output shaft of the motor 21 to rotate through the large and small gears 22 engaged with each other as described above, and the other end is fixed with the linkage rod (the driving rod 31) through the mounting seat 34, and the mounting seat 34 and the linkage rod adopt the structure described above, which is not described again. The actuating mechanism also can be replaced by the manual button commonly used among the prior art, the remote lever structure, or the arbitrary technique that can drive pivot 24 rotation that probably appears in the future all can, do not require and the restriction, simultaneously the trace also can only set up in one side or with the central point of the handle body 7 department fixed, can drive the handle body 7 motion can, the utility model provides an embodiment and drawing can not regard as the restriction to the concrete structure and the fixed position of interlock mechanism 3.

It should be noted that, in the present embodiment, the linkage mechanism 3 includes two sets of linkage rods disposed at two ends of the fixing device 1, a set of driving rod 31 and driven rod 32 disposed at two sides, and a set of mounting seat 34 and driven rod 33 disposed at two sides, the driven rod 33 may be disposed only on the mounting groove 36 for fixing the driven rod 32, or as shown in fig. 1 to fig. 3, the two mounting grooves 36 penetrating through the same mounting seat 34, and in practical applications, the number of sets of driving rods 31 and driven rods 32 on the linkage mechanism 3 and the number of each set of driving rods 31 and driven rods 32 may be determined according to the length of the door body 4. The driven rod 32 may not be provided, and one or more driving rods may be provided only at both ends of the rotating shaft 24, and the structures of the mounting seat 34 and the mounting groove 36 may be modified adaptively according to the change of the form of the interlocking mechanism 3. The driving rod 31 is limited in operation, and the original driven shaft 33 is not eliminated. At this time, the driven shaft 33 only plays a limiting role.

As shown in fig. 6, the main body of the handle body 7 is a plate-shaped body with a common strip shape or other arbitrary shapes, and has the same shape as the outer surface of the door body 4, so that the handle body 7 forms an integral appearance with the outer surface of the door body 4 in a hidden state, a connecting piece 71 which can be fixed with the end part of the linking rod is fixed on the back surface (facing the interior of the box body) of the handle body 7, in the utility model, the connecting piece 71 is two parallel round rods fixed on the back of the handle body 7, the length of the round rods is larger than the distance between the linkage rods on the two sides, the wavy decorative piece 72 is arranged outside the connecting piece 71, the upper part of the decorative piece 72 is thin and the lower part is thick, which accords with the human engineering and improves the use hand feeling of the user, the positions of the decorative part 72 corresponding to the linkage rods are provided with notches, the circular rods are exposed and fixed with the end parts of the linkage rods, and similarly, the end parts of the linkage rods can be fixed with the circular rods through holes or C-shaped grooves.

Between the handle body 7 and the fixing device 1, an arc-shaped heat dissipation plate 5 capable of shielding the driving mechanism is arranged, in order to provide a larger hand holding space after the handle body 7 is extended, as shown in fig. 5, the heat dissipation plate 5 has a backward bent arc, the back of the fixing device is provided with a plurality of screw seats 52, the screw seats are fixed with the back plate 13 of the fixing device 1 through screws, the heat dissipation plate 5 is supported, and the strength of the heat dissipation plate 5 is increased. The heat dissipation plate 5 is provided with slots 53 for the linkage rods to extend out and fix with the connecting piece 71 at the back of the handle body 7 at the positions corresponding to the two groups of linkage rods, the bottom positions of the slots 53 are flush, but because the positions of the driving rod 31 and the driven rod 32 are different, the lengths of the four slots 53 are different, the length of the slot 53 corresponding to the driving rod 31 is shorter, the fixing baffle 54 with a through hole is arranged at the position corresponding to the outer side wall of the mounting seat 34, the through hole is concentrically arranged with the rotating shaft 24 and/or the driven shaft 33, the end part of the rotating shaft 24 and/or the driven shaft 33 penetrates out of the through hole, when in installation, the fixing baffle 54 is respectively inserted and fixed with the mounting seat 34 arranged on the supporting plate 12 of the fixing device 1, the two ends of the rotating shaft 24 and/or the driven shaft 33 are inserted into the through hole after being installed with the main body of, the heat dissipation plate 5 is further fixed to the rear plate with screws. The heat radiating plate 5 is provided with a plurality of air vents 51, and heat generated by the motor 21 is discharged through the air vents 51. The bottom of the two fixing baffles 54 protrudes out of the bottom of the heat dissipation plate 5, and a convex edge 55 is arranged between the two fixing baffles 54, so that the structure on the support plate 12 is effectively shielded, and the user is prevented from contacting the linkage mechanism 3 when inserting the hand holding space of the handle body 7 from bottom to top. The convex edge 55 is provided with an avoiding area 56 at a position corresponding to the motor 21, so that the heat dissipation efficiency of the motor 21 is improved. The top of the heat dissipation plate 5 has a continuous backward and downward fixing flange, the downward fixing flange is fixed with the back plate 13, the width of the backward fixing flange is related to the diameter of the motor 21 and the large/small gear 22, so that after the heat dissipation plate 5 is fixed with the back plate 13, enough distance and space are left between the heat dissipation plate 5 and the fixing device 1 for installing the linkage mechanism 3 and the driving mechanism. The heat radiation plate 5 has the same overall length as the overall width of the door 4, and has folded edges at the left and right ends, which are fixed to the outer sides of the left and right frames 41 of the door 4, respectively. When the door is installed, the left and right frames 41 of the door 4 are inserted between the folded edges of the left and right ends of the heat dissipation plate 5 and then fixed by screws.

When in installation, the driving device 2 is fixed with the fixing device 1, the rotating shaft 24 is respectively connected with the linkage rod and the fixed seat, the fixed seat is fixed with the supporting plate 12, the other end of the linkage rod is fixed with the connecting piece 71 on the back of the handle body 7, the front plate 11 of the fixing device 1 is fixed with the installation structure (such as the top frame of the door body 4 or the similar structure) on the top of the front glass, the left and right side plates 14 are fixed with the inner sides of the left and right frames 41 of the door body 4, the heat dissipation plate 5 is respectively fixed with the back plate 13 and the outer sides of the left and right frames 41 of the door body 4, so that the whole hidden handle and the door body 4 are installed into a whole, in order to improve the beauty, the air tightness and the heat preservation of the hidden handle and the door body 4, the gap between the top of the hidden handle, the top of the handle and the top of the frame of the, the vertical edge is fixed with the inner side of the innermost glass of the door body 4 of the steaming and baking oven. Be provided with a plurality of air vents 51 on vertical edge for steam between inboard glass and the middle glass is discharged inside with the steam ager through air vent 51, prevents to produce the comdenstion water between the glass, and air vent 51 need be dodged in setting up of thermal-insulated glued membrane, and does not block that steam is discharged inside the steam ager through air vent 51, and thermal-insulated glued membrane can set to the type of falling L, and the minor face of the L type is lapped with the top of the most inboard glass of the door body 4, and the long limit is located between the insulation material at most inboard glass and postnotum 13 or postnotum 13 back.

Example two

The difference with the first embodiment lies in, is not provided with interlock mechanism 3, and in this embodiment, actuating mechanism includes one or more synchronous machine 21, is connected with the telescopic link with motor 21 output, and the telescopic link is direct fixed with the back of the handle body 7, and motor 21 direct drive telescopic link is flexible, drives handle body 7 and stretches out or hide, and is the same, is provided with heating panel 5 before actuating mechanism, and the handle is fixed with the door body 4 after, carries out final fixed and corresponding sheltering from through back cover plate 6. The slot 53 on the heat dissipation plate 5 is used for the retractable rod to go in and out.

EXAMPLE III

As shown in fig. 7, a hidden handle, a handle body is fixed to a door body 4 through a fixing device 1, one end of a linkage mechanism 3 is fixed to the fixing device 1, the other end of the linkage mechanism is fixed to the handle body 7, the door body is extended and retracted through a push spring mode, so that the handle extends out of the outer surface of the door body or is flush with the outer surface of the door body to be hidden, two ends of the linkage mechanism 3 are respectively provided with a set of linkage rods, taking one set of linkage rods as an example, each linkage rod comprises a driving rod 31 and a driven rod 32, the driving rod 31 and the driven rod 32 are respectively fixed to the top surface of a supporting plate 12 through two mounting seats 34 at a certain distance, the ends of the driving rod 31 and the driven rod 32 are respectively inserted into the mounting grooves 36 of the corresponding mounting seats 34, a torsion spring 8 is arranged between the two mounting seats 34, one end of the torsion spring 8 is fixed to the driving rod 31, the driving rod 31 can be driven to rotate, so as to push the handle body 7 to pop out or retract to hide.

Be provided with buckle 9 of mutually supporting between the handle body 7 and the fixing device 1, buckle 9 is for can peg graft fixed pin thread and box each other, respectively establish one on the handle body 7 and the fixing device 1, under the normality, torsional spring 8 is compression state, the pin thread is pegged graft fixedly with the box, make handle body 7 and door body 4 parallel and level, be in hidden state, when needing to open the handle, press handle body 7, the box breaks away from the pin thread, torsional spring 8 drives the rotation of drive lever 31 under the effect of spring force, handle body 7 outwards (the direction of keeping away from a body 4) pops out, when needing to hide the handle, push handle body 7 inwards, it is fixed to peg graft with the box up to pin thread and box.

In this embodiment, drive arrangement is not motor drive, but adopts 8 cooperation buckles of torsional spring to realize opening and hiding of the bullet formula that pushes away of the door body, pops out mode convenient operation, and whole outward appearance is succinct pleasing to the eye. Similarly, in the present embodiment, a driven lever 32 is further provided beside the driving lever 31, and one end of the driven lever 32 is fixed to the handle body 7, and the other end is fixed to the fixing device 1 through a mounting seat 34. The fixing device 1 and the handle body 7 are as described in the first embodiment. In the embodiment, two installation seats 34 on the same side each have one installation groove 36, and the torsion spring 8 is disposed between the two installation seats 34, and the installation seat 34 having two installation grooves 36 as described in the first embodiment may also be adopted, and the torsion spring is disposed outside the installation groove 36 for fixing the driving rod 32 and fixed with the end of the driving rod 31. In order to ensure the synchronous movement of the two ends of the handle body, the two torsion springs are connected through a connecting rod 10, or the two torsion springs 8 are in an integral structure.

As shown in fig. 8, the buckle for fixing the handle body 7 and the fixing device 1 is disposed at the middle position of the back plate 13, and the two torsion springs 8 are connected by the connecting rod 10, or the two torsion springs 8 are integrated and disposed outside the mounting seat 34. Or as shown in fig. 9, the buckle 9 is fixed at a position of the back plate 13 close to the linkage rod.

The utility model provides a three embodiment to hidden handle and three-layer glass's the steaming and baking oven door body 4 top is fixed as the example, introduces the utility model provides a concrete structure of hidden handle and the installation of AND gate body 4 are fixed, nevertheless can not regard as the restriction to concrete structure, fixed mode and the range of application of hidden handle, in practical application, can be fixed the bottom of handle body 7 and steaming and baking oven door body 4, and the structure is unchangeable, only reverses 180 back AND gate body 4 bottoms installations. The hidden handle can also be applied to various household appliances needing to be provided with handles, such as disinfection cabinets, dish washing machines, refrigerators, freezers and the like, the door body 4 is not limited to the three-layer glass door body 4, the common foaming door body 4 or door bodies 4 with other structures, the door body 4 can be installed and fixed by processing the same as the three-layer glass door body 4, and according to different household appliances needing to be installed, the forms of the structures are finely adjusted to determine whether the heat insulation materials at the supporting plate 12 and the back plate 13 are used or not, and whether or not the ventilation holes 51 need to be arranged on the vertical edges of the back cover plate 6, if the door body 4 is applied on the door body 4 of a refrigerator or a freezer, the ventilation holes do not need to be arranged on the vertical edges of the back cover plate 6, however, sufficient heat insulating material needs to be filled and fixed between the vertical edge of the back cover plate 6 and the back plate 13, so that the cold energy in the refrigerator or freezer is prevented from being conducted and dissipated through the structures such as the back cover plate 6, the back plate 13 and the like.

Hide the handle and at 4 surface parallel and levels of the door body under the normal state, make 4 outward appearances of the door body neater, the transportation of packing of also being convenient for, after receiving the opening signal (the signal can be electric power signal or outer effort), stretch out to the outside by actuating mechanism drive interlock mechanism 3 and then drive the handle body 7, supply the user to grip the handle body 7, pull out the door body 4. After receiving the signal again, the hidden handle is driven by the driving mechanism and the linkage mechanism 3 to contract back to the original position, and is flush with the door body 4 to form a hidden state. When the driving mechanism adopts the motor 21 as driving power, the motor 21 can be connected with a main control board of the steaming and baking oven, and a control signal is controlled and output by the main control board, or a handle control key is arranged on the main control board, a signal output end of the handle control key is connected with a signal output end of the main control board, a signal output end of the main control board is connected with a signal output end of the motor 21, or a signal output end of the handle control key is directly connected with a signal input end of the motor 21, after the power-on operation, the handle control key is pressed, the motor 21 operates, the pinion 22 drives the meshed gearwheel 23 to rotate, and then the rotating shaft 24 is driven to rotate, and the hidden handle is extended or retracted by the linkage mechanism 3 under the driving of; or a handle control key is not needed to be arranged, the signal output end of the main control board is connected with the signal input end of the motor 21, after the steaming and baking oven is powered on to operate, the main control board directly controls the motor 21 to operate, so that the handle body 7 extends out as described above, the temperature of the handle body 7 is prevented from rising due to heat dissipated by the door body 4, bad experience is brought to a user, after the power is off, the motor 21 automatically rotates to withdraw the handle body 7, or the signal output end of the main control board is connected with the signal input end of the motor 21, after the power is on, the main control board directly controls the motor 21 to operate to drive the handle body 7 to extend out, when the program is completed, after the door body 4 of the steaming and baking oven is opened and closed again, the program is finished and the power is turned off, and. In practical application, the required control method or combination of several control methods can be selected by combining the various control methods described above.

To sum up, the utility model provides a pair of heating panel of hidden handle compares with prior art, has following advantage:

1. the heat dissipation plate has a simple structure, and can effectively dissipate heat of the driving mechanism while effectively protecting the driving circuit;

2. the screw seat can synchronously play a role in supporting and fixing, so that the strength of the heat dissipation plate is enhanced;

3. the fixing folded edge formed by continuously bending the top of the heat dissipation plate further strengthens the strength of the heat dissipation plate and provides an installation position for the driving device.

Similar solutions can be derived as described above in connection with the given solution content. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.

Claims (10)

1. A heating panel of hidden handle which characterized in that: the handle comprises a handle body and a driving device capable of driving the handle body to stretch or hide, and a heat dissipation plate is arranged between the handle body and the driving device.

2. The heat dissipating plate for a concealed handle according to claim 1, wherein: the heat dissipation plate has an arc curved toward the driving device.

3. The heat dissipating plate for a concealed handle according to claim 1, wherein: the back of the heat dissipation plate is provided with a screw seat for fixing and supporting.

4. The heat dissipating plate for a concealed handle according to claim 1, wherein: the heat dissipation plate is provided with a plurality of air holes for dissipating the operation heat of the driving device.

5. The heat dissipating plate for a concealed handle according to claim 1, wherein: one end of the linkage mechanism is connected with the handle body, the other end of the linkage mechanism is connected with the driving device, and a slot hole for the linkage mechanism to go in and out is formed in the heat dissipation plate.

6. The heat dissipating plate for a concealed handle according to claim 5, wherein: the linkage mechanism comprises a driving rod and a driven rod, and the heights of the groove holes corresponding to the driving rod and the driven rod are different.

7. The heat dissipating plate for a concealed handle according to claim 5, wherein: the linkage mechanism is fixed with the driving device through the connecting seat, the position of the heat dissipation plate, relative to the side wall of the connecting seat, is provided with a fixed baffle, and the connecting seat is inserted between the two corresponding fixed baffles and fixed with the heat dissipation plate.

8. The heat dissipating plate for a concealed handle according to claim 7, wherein: the bottom of the fixed baffle protrudes out of the bottom of the heat dissipation plate, and a convex edge is arranged between the two fixed baffles.

9. The heat dissipating plate for a concealed handle according to claim 1, wherein: and two ends of the heat dissipation plate are provided with backward folded edges.

10. The heat dissipating plate for a concealed handle according to claim 1, wherein: the top of the heat dissipation plate is provided with a continuous backward and downward fixing folded edge, and the fixing folded edge is fixed with the fixing device of the handle.

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