CN216716306U - Energy gathering cover and gas stove - Google Patents

Abstract

The application relates to the technical field of gas cookers and discloses an energy gathering cover and a gas cooker. The energy gathering cover comprises: an upper housing assembly; the lower cover is positioned below the upper cover assembly and forms a cavity with the upper cover assembly in an enclosing manner; an elastic member supported between the upper housing assembly and the lower housing. The elastic piece has deformability to can offset the thermal stress of upper shield and lower cover, solve the inhomogeneous problem of upper shield and lower cover thermal stress, avoid gathering the energy cover and take place deformation and the unstable problem of appearance structure.

Description

Energy gathering cover and gas stove

Technical Field

The application relates to the technical field of gas cookers, in particular to an energy gathering cover and a gas stove.

Background

At present, the heat efficiency (the ratio of the heat actually absorbed by a cooker to the heat generated by gas combustion) of the household gas stove is generally low, and is about 63-65%. The power of the household gas stove is generally 4.2KW, taking the heat efficiency as 63% as an example, and the power actually obtained by cooking by a user is 2.6 KW. Therefore, the heat obtained by the cooker during cooking is too low to meet the requirement of Chinese style stir-frying on firepower, and therefore the energy-gathering cover needs to be added to improve the heat efficiency of the gas stove.

However, in the actual use process, the upper cover and the lower cover of the existing energy collecting cover have the problems of deformation and unstable structure of the energy collecting cover caused by nonuniform thermal stress.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an energy-gathering cover and a gas stove, and aims to solve the problems that the energy-gathering cover is deformed and unstable in structure due to uneven thermal stress of an upper cover and a lower cover of the existing energy-gathering cover.

According to a first aspect of embodiments of the present invention there is provided a concentrator cap comprising: an upper housing assembly; the lower cover is positioned below the upper cover assembly and forms a cavity with the upper cover assembly in an enclosing manner; an elastic member supported between the upper housing assembly and the lower housing.

Optionally, a first heat insulation element is arranged between the elastic element and the upper cover assembly; and/or a second heat insulation piece is arranged between the elastic piece and the lower cover.

Optionally, the concentrator cap further comprises: and the connecting piece is connected between the elastic piece and the lower cover.

Optionally, a third heat insulation element is arranged between the connecting element and the lower cover; and/or a fourth heat insulation piece is arranged between the connecting piece and the elastic piece.

Optionally, the connector comprises: a first end portion passing through the lower cover and the elastic member; the second end part is positioned on one side of the lower cover, which is far away from the elastic piece; wherein the third thermal insulation member is provided between the second end portion and the lower cover.

Optionally, the elastic member includes: a first connection section; the second connecting section is opposite to the first connecting section and is provided with a third connecting section which is connected between the first connecting section and the second connecting section; the first connecting section, the second connecting section and the third connecting section limit a deformation space, and the first connecting section and the second connecting section are connected with the upper cover assembly.

Optionally, the upper cover assembly is provided with a first groove and a second groove respectively matched with the first connecting section and the second connecting section, the first connecting section is located in the first groove, and the second connecting section is located in the second groove.

Optionally, the upper housing assembly comprises: an upper cover; the pot supporting leg is arranged on the upper cover, the upper end part of the pot supporting leg protrudes upwards out of the upper cover, and the lower end part of the pot supporting leg is connected with the elastic piece.

Optionally, the upper end of the pot support leg protrudes upwards from the upper cover by a height ranging from 5mm to 12 mm.

According to a second aspect of embodiments of the present invention, there is provided a gas range including: a burner; the energy concentrating cover in any one of the above embodiments is sleeved outside the combustor.

The energy-gathering cover and the gas stove provided by the embodiment of the disclosure can realize the following technical effects:

set up the elastic component between upper shield subassembly and lower cover, the elastic component has deformability to can offset the upper shield and the thermal stress of cover down, solve the inhomogeneous problem of upper shield and lower cover thermal stress, avoid gathering to gather to cover and take place deformation and the unstable problem of appearance structure.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic view of a combustor according to an embodiment of the present disclosure;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is an enlarged view of the portion D in FIG. 2;

FIG. 4 is a schematic view of an assembly structure of an elastic member and an upper cover assembly according to an embodiment of the present disclosure;

fig. 5 is an enlarged structural view of a portion F in fig. 4.

Reference numerals:

1, 11, 112, 113, a first upper cover section, 114, a second upper cover section, 12 pan support legs, 121, 122, lower end, 123, a protrusion claw, 124, a recess, 125, a second groove, 126, a 13 blocking part, 2, a lower cover, 21, a first mounting hole, 22, a lower cover outer ring, 23, a lower cover body, 3 elastic parts, 31, a second mounting hole, 32, 33, a second connecting section, 331, a first sub-connecting section, 332, a second sub-connecting section, 333, a third sub-connecting section, 34, a third connecting section, 35 deformation space, 4, 41, a first end, 42, a second end, 5, a second heat insulation part, 6 cavities, 7 secondary air channels, 8 bottom plates, 9 burners, 91 outer fire covers, 92 inner fire covers, 10 outer side walls, 101 air inlets.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more, unless otherwise specified.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1 to 5, the energy concentrating cover according to the embodiment of the present disclosure is sleeved outside the burner 9, the burner 9 includes an inner fire cover 92 and an outer fire cover 91, and the outer fire cover 91 is sleeved outside the inner fire cover 92. The outer fire cover 91 is provided with an outer fire hole, and the inner fire cover 92 is provided with an inner fire hole.

The hot air combusted by the flame is gathered on the energy gathering cover, so that the convection and radiation heat exchange of the flame to the outside is reduced, the heat energy loss is reduced to a certain extent, and the heat efficiency is improved.

The concentrator cap comprises an upper cap assembly 1 and a lower cap 2.

As shown in fig. 2, the upper and lower housing assemblies 1, 2 define a cavity 6.

After the heat transfer of the high-temperature flame and the high-temperature flue gas that interior ring fire and outer ring fire burning formed to upper shield 11, because the existence of cavity 6, the heat that upper shield 11 absorbed is difficult to transmit to lower cover 2 to thermal loss has been reduced, and the heat that lower cover 2 transmitted to bottom plate 8 has further been reduced.

Optionally, the cavity is filled with a thermal insulation layer.

The heat insulation layer can be made of high-temperature-resistant and low-heat-conductivity materials such as aerogel pads and asbestos, and heat transfer between the upper cover 11 and the lower cover 2 is reduced.

The cavity may not be filled with a thermal insulation layer, considering that air is a good medium with low thermal conductivity.

The cavity can also be a secondary air flow channel, external air enters the secondary air flow channel, and the secondary air flow channel flows to the outer ring fire to supplement secondary air for the outer ring fire.

The heat of the upper cover can be transferred to secondary air in the secondary air flow channel, so that the secondary air is preheated, and the heat efficiency of the gas stove is improved.

As shown in fig. 2, the elastic member 3 is supported between the upper and lower cover assemblies 1 and 2.

The elastic part 3 has deformability, and when the problem of uneven thermal stress between the upper cover assembly 1 and the lower cover 2 occurs, the elastic part 3 can offset the thermal stress of the upper cover assembly 1 and the lower cover 2, so that deformation of the energy-gathering cover is prevented.

Optionally, a first thermal insulation member is disposed between the elastic member 3 and the upper housing assembly 1, for example, the first thermal insulation member is disposed between the upper surface of the elastic member 3 and the lower surface of the upper housing assembly 1.

Partial heat of high-temperature flue gas generated by the combustor 9 is transferred to the upper cover assembly 1, the first heat insulation piece can reduce the heat transferred from the upper cover assembly 1 to the lower cover 2, and energy loss caused by heat conduction between the upper cover assembly 1 and the lower cover 2 is greatly reduced, so that the heat of the upper cover 11 is transferred to the bottom of the pot as much as possible.

The first heat insulation piece can be made of flame-retardant, high-temperature-resistant and extremely-low-heat-conductivity materials such as aerogel gaskets, silica gel gaskets or asbestos.

Alternatively, as shown in fig. 3, a second heat insulator 5 is provided between the elastic member 3 and the lower cover 2.

Be equipped with second heat insulating part 5 between elastic component 3 and the lower cover 2, second heat insulating part 5 can reduce the heat that upper shield subassembly 1 transmitted lower cover 2 through elastic component 3, very big reduction the energy loss that heat conduction between upper shield subassembly 1 and the lower cover 2 leads to.

The second heat insulation piece 5 can be made of flame-retardant, high-temperature-resistant and extremely low-heat-conductivity materials such as aerogel gaskets, silica gel gaskets or asbestos.

As shown in fig. 3, a second heat insulator 5 is provided between the lower surface of the elastic member 3 and the upper surface of the lower cover 2 (lower cover outer 22).

Optionally, the lower shroud 2 includes a lower shroud outer ring 22 and a lower shroud body 23 connected in sequence in an outside-in direction, and each of the lower shroud outer ring 22 and the lower shroud body 23 is in an annular shape extending in a circumferential direction of the energy concentrating shroud. The upper surface of the lower cover body 23 is concave, and the lower cover outer ring 22 horizontally extends along the direction from outside to inside to increase the contact area with the second heat insulation piece 5, so that the second heat insulation piece 5 is more stably installed.

Optionally, as shown in fig. 3, the concentrator cap further comprises a connecting member 4, the connecting member 4 being connected between the elastic member 3 and the lower cap 2.

Realize being connected of elastic component 3 and lower cover 2 through connecting piece 4, can improve and gather the structural stability who covers, avoid lower cover 2 and/or elastic component 3 to take place to shift.

Optionally, a third thermal insulation is provided between the connection member 4 and the lower housing 2.

The heat transfer of high temperature flue gas is to upper shield 11, and the heat part of upper shield 11 is transferred to elastic component 3, and 3 partial heat transfer of elastic component are to connecting piece 4, and the third heat insulating part can reduce the heat that transfers to lower cover 2 from connecting piece 4, reduces the temperature of lower cover 2, reduces the calorific loss who gathers the energy cover.

The third heat insulation piece can be made of flame-retardant, high-temperature-resistant and extremely-low-heat-conductivity materials such as aerogel gaskets, silica gel gaskets or asbestos.

Alternatively, as shown in fig. 3, the connecting member 4 includes a first end 41 and a second end 42 connected.

The first end portion 41 passes through the lower cover 2 and the elastic member 3.

The second end portion 42 is located on a side of the lower shell 2 facing away from the elastic element 3, in other words, the first end portion 41 and the second end portion 42 are respectively located on two opposite sides of the lower shell 2.

Lower cover 2 is equipped with first mounting hole 21, and elastic component 3 is equipped with second mounting hole 31, the size of first mounting hole 21 and second mounting hole 31 all with the size looks adaptation of first end 41, connecting piece 4 from up passing first mounting hole 21 and second mounting hole 31 down in proper order.

The outer dimension of the second end portion 42 is larger than the outer dimension of the first mounting hole 21 to prevent the second end portion 42 from passing upward through the first mounting hole 21.

The connecting member 4 may be a fastener, such as a screw or bolt. Besides the fastener, the connecting piece 4 can also be a magnet which attracts the elastic piece 3 and the lower cover 2 to realize the connection between the elastic piece 3 and the lower cover 2.

Taking the connecting member 4 as an example, the fastening member may be made of stainless steel.

Optionally, a third thermal shield is provided between the upper surface of the second end 42 and the lower surface of the lower housing 2, reducing heat transfer between the upper housing 11 and the lower housing 2.

Optionally, a fourth thermal insulation element is provided between the connection element 4 and the elastic element 3, which reduces the heat transfer from the elastic element 3 to the connection element 4, and thus the heat transfer to the lower shell 2 through the connection element 4.

The fourth heat insulation piece can be made of flame-retardant, high-temperature-resistant and extremely-low-heat-conductivity materials such as aerogel gaskets, silica gel gaskets or asbestos.

Alternatively, the number of the elastic members 3 is plural, and the plural elastic members 3 are uniformly arranged along the circumferential direction of the power concentrating cover, so that the thermal stress is uniform all over the circumferential direction of the upper cover assembly 1 and the lower cover 2. The number of the connecting pieces 4 is equal to the number of the elastic pieces 3, and corresponds to one.

Optionally, the elastic member 3 includes a first connecting section 32, a second connecting section 33 and a third connecting section 34.

The second connecting section 33 is disposed opposite to the first connecting section 32.

The third connecting section 34 is connected between the first connecting section 32 and the second connecting section 33, in other words, the first connecting section 32, the third connecting section 34, and the second connecting section 33 are arranged in this order.

As shown in fig. 3, the first connecting section 32 extends horizontally in an inside-out direction, the second connecting section 33 extends horizontally in an inside-out direction, the first connecting section 32 is located above the second connecting section 33, and the upper end and the lower end of the third connecting section 34 are connected to the outer end of the first connecting section 32 and the outer end of the second connecting section 33, respectively. The first connecting section 32, the second connecting section 33 and the third connecting section 34 define a deformation space 35 with an inward opening, so that the elastic member 3 has sufficient deformability to counteract the problem of uneven thermal stress between the upper and lower housing assemblies 1 and 2.

The second connection section 33 includes a first sub-connection section 331, a second sub-connection section 332, and a third sub-connection section 333, which are sequentially connected in an outside-in direction, where a connection portion of the first sub-connection section 331 and the second sub-connection section 332 is bent, and a connection portion of the second sub-connection section 332 and the third sub-connection section 333 is bent, so as to enhance the strength of the second connection section 33, for example, as shown in fig. 3, in the outside-in direction, the first sub-connection section 331 and the third sub-connection section 333 both extend in a horizontal direction, and the third sub-connection section is higher than the first sub-connection section, and the second sub-connection section 332 extends in an up-down direction.

The first connecting section 32 and the second connecting section 33 are both connected with the upper cover assembly 1.

Elastic component 3 has stronger deformability, and first linkage segment 32 and second linkage segment 33 all are connected with upper shield subassembly 1, strengthen elastic component 3 and upper shield subassembly 1's the steadiness of being connected, avoid elastic component 3 deformability to influence the reliability of being connected between elastic component 3 and the upper shield subassembly 1 by force.

Optionally, as shown in fig. 3, the upper cover assembly 1 is provided with a first groove 125 and a second groove 126, the first groove 125 and the second groove 126 are respectively matched with the first connecting section 32 and the second connecting section 33, the first connecting section 32 is inserted into the first groove 125, the second connecting section 33 is inserted into the second groove 126, and as shown in fig. 3, a third sub-connecting section 333 is inserted into the second groove 126, so that the first connecting section 32 and the second connecting section 33 are respectively connected with the upper cover assembly 1.

The elastic part 3 is made of common metal, and the elastic part 3 can be a galvanized sheet from the perspective of convenient forming.

It is understood that the elastic member may also be welded or bonded to the upper housing assembly to secure the elastic member to the upper housing assembly.

Optionally, the upper cover assembly 1 includes an upper cover 11 and pan support legs 12, the pan support legs 12 are disposed on the upper cover 11, and the upper cover 11 is located above the lower cover 2 and encloses a cavity with the lower cover 2. The upper end 121 of the pot support leg 12 protrudes upwards from the upper cover 11, so that the pot is supported.

The pan support legs 12 are made of metal materials such as brass, cast iron, stainless steel and aluminum alloy, and the strength of the pan support legs 12 is guaranteed. The upper cover 11 is made of stainless steel, aluminum alloy, or the like, and preferably made of stainless steel in consideration of convenience in forming. Meanwhile, the stainless steel has low thermal conductivity, so that the heat transfer between the upper cover 11 and the lower cover 2 can be reduced.

The upper surface of the upper cover 11 is provided with an opening, four side surfaces of the pan support leg 12 are in close contact with the opening of the upper cover 11, so that no gap can be seen on the outer surface of the upper cover 11, the spot welding is performed on the position of a gap P in the pan support leg 12, and the pan support leg 12 is completely fixed with the upper cover 11.

The number of the openings is multiple, the openings are evenly arranged along the circumferential direction of the energy-gathering cover, and the number of the pot supporting legs 12 is equal to that of the openings and corresponds to one.

As shown in fig. 2, the upper cover 11 includes an upper cover outer ring 112, a first upper cover section 113 and a second upper cover section 114 which are sequentially arranged along the direction from outside to inside, a break angle is formed at the joint of the first upper cover section 113 and the second upper cover section 114, along the direction from outside to inside, the first upper cover section 113 is inclined downwards, the second upper cover section 114 is inclined upwards, and the break angle exists, so that the high-temperature flue gas forms turbulent flow on the upper surface of the upper cover 11, and the retention area of the flue gas on the upper surface of the upper cover 11 is increased.

In the inside-out direction, the upper-cover outer ring 112 extends horizontally.

The upper end 121 of pot stabilizer blade 12 upwards protrudes the range of height of upper shield 11 upper surface and is 5-12mm, preferably 9mm, this range of height can guarantee that upper shield outer lane 112 of upper shield 11 forms annular space with the pan bottom, this space height is the same with pot stabilizer blade 12 height, the space is too little then high temperature flue gas exhaust resistance is too big, the clearance is too big, can't form certain resistance to high temperature flue gas, make the dwell time of high temperature flue gas at upper shield 11 upper surface too short, be unfavorable for the heat transfer of high temperature flue gas and pan.

The pan supporting leg 12 is higher than the upper cover 11, and comprises a forward extending claw 123, so that the pan supporting leg 12 is compatible with pans with different diameters, a concave part 124 which penetrates through the forward extending claw 123 along the thickness direction of the forward extending claw 123 is arranged at the bottom of the forward extending claw 123, and the concave part 124 reduces the contact area of the pan supporting leg 12 and flame while ensuring the strength of the forward extending claw 123.

The lower end 122 of the pan foot 12 is connected to the spring 3.

The lower end 122 of the pan supporting leg 12 is connected to the elastic member 3, so that the pan supporting leg 12 supports the pan and simultaneously the upper cover 11 is connected to the elastic member 3, thereby increasing the function of the pan supporting leg 12, and a connecting part for connecting the upper cover 11 to the elastic member 3 is not required to be separately provided.

The connecting piece 4 connects the elastic piece 3 with the lower cover 2, and the pot support leg 12 connects the elastic piece 3 with the upper cover 11, thereby realizing the connection of the upper cover 11 with the lower cover 2.

As shown in fig. 2, the first and second grooves 125 and 126 are formed in the lower end 122 of the pot leg 12.

The number of the pan support legs 12 is equal to the number of the elastic members 3 and corresponds to one another.

Alternatively, the connecting member 4 is made of stainless steel so that heat of the pot foot 12 cannot be rapidly transferred to the upper cover 11.

Optionally, as shown in fig. 1, a blocking portion 13 is convexly provided on the upper surface of the upper housing 11 to increase the resistance of the smoke flowing back from the outer ring of the upper housing 11 to the inside.

The upper surface of upper shield 11 is upwards protruded to stop part 13 for stop part 13 can increase the resistance that the flue gas flows back, reduces the speed that the flue gas flows back, thereby the time of increase flue gas dwell in the space between the upper surface of upper shield 11 and the bottom of a boiler makes the flue gas can carry out abundant heat transfer with the bottom of a boiler, improves the thermal efficiency of gas-cooker, and the combustible substance in the flue gas can carry out the postcombustion, further improves the thermal efficiency of gas-cooker.

The blocking portion 13 may be in the form of a drill or a crescent-shaped mound.

The embodiment of the present disclosure provides a gas stove, which includes a burner 9 and a energy concentrating cover as in any one of the above embodiments, wherein the energy concentrating cover is sleeved outside the burner 9.

The energy concentrating cover provided by the embodiment of the disclosure has all the beneficial effects of the energy concentrating cover in any one of the above embodiments because the energy concentrating cover comprises the energy concentrating cover in any one of the above embodiments, and is not repeated herein.

The gas range is located on the bottom plate 8 below the lower cover 2 and includes an outer sidewall 10, the outer sidewall 10 being supported between the bottom plate 8 and the lower cover 2 and located outside the lower cover 2.

The outer side wall 10 is supported between the lower cover 2 and the bottom plate 8, and stable support for the energy gathering cover is achieved.

Optionally, the lower casing 2, the outer side wall 10 and the bottom plate 8 together enclose a secondary air channel 7, the outer side wall 10 is provided with an air inlet 101 communicated with an inlet of the secondary air channel 7, and an outlet of the secondary air channel 7 is communicated with the inner ring fire and/or the outer ring fire to supplement secondary air for the inner ring fire and/or the outer ring fire.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A power concentrating cap, comprising:

an upper housing assembly;

the lower cover is positioned below the upper cover assembly and forms a cavity together with the upper cover assembly;

an elastic member supported between the upper housing assembly and the lower housing.

2. The shaped charge shield according to claim 1,

a first heat insulation piece is arranged between the elastic piece and the upper cover assembly; and/or a second heat insulation piece is arranged between the elastic piece and the lower cover.

3. The concentrator cap of claim 1, further comprising:

and the connecting piece is connected between the elastic piece and the lower cover.

4. The shaped charge shield according to claim 3,

a third heat insulation piece is arranged between the connecting piece and the lower cover; and/or a fourth heat insulation piece is arranged between the connecting piece and the elastic piece.

5. The energy concentrating cap of claim 4, wherein the connector comprises:

a first end portion passing through the lower cover and the elastic member;

the second end part is positioned on one side of the lower cover, which is far away from the elastic piece;

wherein the third thermal insulation member is provided between the second end portion and the lower cover.

6. The energy concentrating cap according to any one of claims 1 to 5 wherein the resilient member comprises:

a first connection section;

the second connecting section is arranged opposite to the first connecting section;

a third connection section connected between the first connection section and the second connection section;

the first connecting section, the second connecting section and the third connecting section limit a deformation space, and the first connecting section and the second connecting section are connected with the upper cover assembly.

7. The shaped charge shield according to claim 6,

the upper cover assembly is provided with a first groove and a second groove, the first groove and the second groove are matched with the first connecting section and the second connecting section respectively, the first connecting section is located in the first groove, and the second connecting section is located in the second groove.

8. The concentrator cap of any one of claims 1 to 5, wherein the upper cap assembly comprises:

an upper cover;

the pot supporting leg is arranged on the upper cover, the upper end part of the pot supporting leg protrudes upwards out of the upper cover, and the lower end part of the pot supporting leg is connected with the elastic piece.

9. The shaped charge shield according to claim 8,

the upper end part of the pot support leg protrudes upwards from the upper cover by a height range of 5mm-12 mm.

10. A gas range, comprising:

a burner;

the concentrator cap of any one of claims 1 to 9, fitted over the outside of the burner.

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