CN212456993U - Light wave stove - Google Patents

Abstract

The utility model discloses a light wave stove, including the shell with locate the heating element in the shell, heating element is including the thermal-insulated cover of installation in the shell and locate the light wave pipe in the thermal-insulated cover, the light wave pipe is equipped with the body of heater in including, the light wave pipe is still including locating the conductive terminal that body both ends and be connected with the heater electricity respectively, be equipped with the electrically conductive connecting piece that is used for installing conductive terminal and is connected with it electricity on the thermal-insulated cover, the light wave pipe is installed behind the thermal-insulated cover, forms prestressing force between conductive terminal and the electrically conductive connecting piece. The utility model discloses conductive terminal on the light wave pipe is fixed on thermal shield through electrically conductive connecting piece, prevents that the light wave pipe from taking place to rock because of the installation shakiness and making the inside abnormal sound that produces of light wave stove, and conductive terminal is connected in order to realize the circular telegram of light wave pipe through electrically conductive connecting piece and the power down lead wire in the thermal shield outside simultaneously, prevents that the produced light of light wave pipe and heat from dispersing to light wave stove inside, improves the thermal efficiency of light wave stove.

Description

Light wave stove

Technical Field

The utility model belongs to the kitchen appliance field, concretely relates to light wave stove.

Background

At present, as shown in fig. 1, a conventional light wave oven has a structure in which a heat shield 0200 is placed inside the oven, a spring is provided at the bottom of the heat shield 0200, the spring pushes the heat shield 0200 against the bottom surface of the panel under the action of elastic force, a square mounting hole 0100 is punched in the heat shield 0200, both ends of a light wave tube 0300 inside the heat shield 0200 are inserted into the mounting hole 0100, and a baffle 0400 on the heat shield 0200 is bent to fix the light wave tube 0300. The above structure has the following drawbacks: 1. the light and heat generated by the optical wave tube 0300 can be radiated into the optical wave furnace from the mounting hole 0100, so that the thermal efficiency of the optical wave furnace is reduced, and meanwhile, the heat radiated into the optical wave furnace can raise the working temperature of parts in the optical wave furnace, so that the parts are extremely easy to damage, and the safety performance of the optical wave furnace is reduced. 2. The matching precision between the separation sheet 0400 and the light wave tube 0300 is low, and the light wave tube 0300 is easy to shake due to improper installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a light wave stove, which solves at least one of the problems in the prior art.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a light wave stove, include the shell and locate the heating element in the shell, heating element is including installing the thermal-insulated cover in the shell and locating the light wave pipe in the thermal-insulated cover, the light wave pipe is equipped with the body of heater in including, the light wave pipe is still including locating the body both ends respectively and the conductive terminal of being connected with the heater electricity, be equipped with the electrically conductive connecting piece that is used for installing conductive terminal and is connected with it electricity on the thermal-insulated cover, the light wave pipe is installed behind the thermal-insulated cover, form prestressing force between conductive terminal and the electrically conductive connecting piece.

In the above optical wave oven, a lead terminal electrically connected to the conductive connecting member is further disposed outside the heat shield to be suitable for connecting an external power supply lead.

In the above-mentioned optical wave oven, the conductive connecting member is fixed to the heat shield by riveting, and the conductive connecting member includes a rivet joint connected to the conductive terminal and a connector lug connected to the lead terminal.

In above-mentioned light wave stove, be equipped with the riveting groove on the heat exchanger that separates, the riveting head riveting is in order to carry on spacingly to electrically conductive connecting piece in the riveting groove, and the riveting head is equipped with the mounting groove towards light wave pipe one side, and electrically conductive terminal's tip is pegged graft in the mounting groove.

In the light wave oven, the conductive terminal is provided with a threaded hole, the conductive connecting piece is a screw, and the screw penetrates through the lead terminal and the heat shield and extends into the threaded hole to be connected with the conductive terminal.

In the above optical wave oven, the conductive connecting member is a metal elastic sheet fixed inside the heat shield, and the metal elastic sheets at the two ends of the optical wave tube are abutted against the conductive terminals.

In the light wave oven, the metal elastic sheet is provided with the groove, and the end part of the conductive terminal is inserted in the groove to limit the light wave tube.

In the light wave oven, the metal elastic sheet is detachably connected with the heat shield through the fastener.

In the above optical wave oven, the optical wave tube further includes a heat insulation member respectively disposed at two ends of the tube body, and the conductive terminals at two ends of the tube body are disposed on the heat insulation member.

In the above-mentioned light wave oven, the conductive terminal includes the installation head that is located thermal-insulated one side and passes the fixed head that thermal-insulated one side links to each other with the heater, and the fixed head is pegged graft and is gone into thermal-insulated inside, and the installation head contacts with the thermal-insulated outside.

The utility model has the advantages that:

the utility model provides a light wave stove, include the shell and locate the heating element in the shell, heating element is including installing the thermal-insulated cover in the shell and locating the light wave pipe in the thermal-insulated cover, the light wave pipe is equipped with the body of heater in including, the light wave pipe is still including locating the body both ends respectively and the conductive terminal of being connected with the heater electricity, be equipped with the electrically conductive connecting piece that is used for installing conductive terminal and is connected with it electricity on the thermal-insulated cover, the light wave pipe is installed behind the thermal-insulated cover, form prestressing force between conductive terminal and the electrically conductive connecting piece. The technical scheme has the following technical effects:

at present, the structure of the existing light wave oven is as follows: the heat shield is placed inside the machine, the bottom of the heat shield is provided with a spring, the spring pushes the heat shield to the bottom surface of the panel under the action of elasticity, a square mounting hole is punched on the heat shield, the two ends of a light wave tube in the heat shield are arranged in the mounting hole in a penetrating mode, and a separation blade on the heat shield is bent to fix the light wave tube. The above structure has the following drawbacks: 1. the light and heat generated by the light wave tube can be emitted to the interior of the light wave furnace from the mounting hole, so that the heat efficiency of the light wave furnace is reduced, and meanwhile, the heat emitted to the interior of the light wave furnace can improve the working temperature of parts in the light wave furnace, so that the parts are extremely easy to damage, and the safety performance of the light wave furnace is reduced. 2. The matching precision between the baffle plate and the optical wave tube is low, and the optical wave tube is easy to shake due to the fact that the optical wave tube is not installed in place. The utility model discloses conductive terminal on the light wave pipe is fixed on thermal-insulated cover through electrically conductive connecting piece, the prestressing force that forms between conductive terminal and the electrically conductive connecting piece is fixed the light wave pipe, prevent that the light wave pipe from taking place to rock because of the installation shakiness and making the inside abnormal sound that produces of light wave stove, conductive terminal is connected the circular telegram in order to realize the light wave pipe through the power down lead wire electricity in the electrically conductive connecting piece and the thermal-insulated cover outside simultaneously, electrically conductive connecting piece sets up on thermal-insulated cover, prevent that the produced light and heat of light wave pipe from dispersing to light wave stove inside, improve the thermal efficiency of light wave stove, prevent simultaneously that the operating temperature of the inside spare part of light wave stove from improving because.

The lead terminal that is connected with the electrically conductive connecting piece electricity still is equipped with in the heat exchanger outside to be suitable for and connect outside power lead wire, during the installation, with power lead wire and lead terminal link to each other can, it is more convenient to install, the lead terminal can avoid the electrically conductive connecting piece of power lead wire contact high temperature or heat exchanger that separates simultaneously, setting through the lead terminal, make the power lead wire can adopt conventional lead wire and not high temperature resistant lead wire, greatly reduced cost improves the security of power lead wire.

The conductive connecting piece is riveted and fixed on the heat shield, the conductive connecting piece comprises a rivet joint connected with the conductive terminal and a connector lug connected with the lead terminal, the conductive connecting piece is riveted with the heat shield, the conductive connecting piece can be fixed, gaps for light and heat generated by the light wave tube to pass through can be prevented from occurring between the conductive connecting piece and the heat shield, the light and heat generated by the light wave tube are always gathered inside the heat shield, and the heat efficiency of the light wave tube is improved.

Be equipped with the riveting groove on the heat shield, the riveting head riveting is in order to carry on spacingly to conductive connecting piece in the riveting groove, the riveting head is equipped with the mounting groove towards light wave pipe one side, conductive terminal's tip is pegged graft in the mounting groove, the riveting head riveting is in order to carry on spacingly to conductive connecting piece in the riveting groove, prevent that conductive connecting piece from taking place to rock on the heat shield, be equipped with the mounting groove towards light wave pipe one side at the riveting head, conductive terminal's tip level is pegged graft in the mounting groove, when simple to operate, the mounting groove carries out the level and ascending spacing in vertical direction to the conductive terminal at light wave pipe both ends, prevent that light wave pipe from taking place to remove between two conductive connecting piece, the fixed mode is simple and convenient.

The conductive terminal is provided with a threaded hole, the conductive connecting piece is a screw, the screw penetrates through the lead terminal and the heat insulation cover and extends into the threaded hole to be connected with the conductive terminal, and the screw is screwed with the conductive terminal, so that the conductive terminal and the lead terminal are respectively abutted against the inner side and the outer side of the heat insulation cover to clamp the heat insulation cover, meanwhile, the fixation and the electric connection of the optical wave tube and the lead terminal are realized, the damaged optical wave tube, the conductive connecting piece and the lead terminal are convenient to replace individually, and the maintenance and.

The conductive connecting piece is a metal elastic piece fixed inside the heat shield, the metal elastic pieces at two ends of the optical wave tube abut against the conductive terminals under the action of elasticity so as to clamp the optical wave tube, and the installation and the disassembly are convenient when the connection is stable, so that the installation and the disassembly efficiency are improved, and the later-stage replacement and maintenance are convenient.

The metal elastic pieces are provided with grooves, the end parts of the conductive terminals are inserted into the grooves to limit the light wave tube, the grooves limit the conductive terminals at the two ends of the light wave tube in the horizontal and vertical directions, the light wave tube is prevented from moving between the two metal elastic pieces, and the stable electric connection between the conductive terminals at the two ends of the light wave tube and the metal elastic pieces is ensured.

The optical wave tube further comprises heat insulation pieces arranged at two ends of the tube body respectively, and the conductive terminals at two ends of the tube body are arranged on the heat insulation pieces, so that heat at two ends of the optical wave tube is prevented from being transmitted to the outer side of the heat insulation cover through the conductive connecting pieces, the heat is isolated in the heat insulation cover to the maximum extent, and the heat is prevented from being transmitted to the inside of the optical wave furnace.

The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a schematic view of a prior art heat shield and light wave tube assembly for a light wave oven;

FIG. 2 is a schematic view of a microwave oven according to one embodiment;

FIG. 3 is a cross-sectional view of a microwave oven according to one embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view showing the installation of the heat shield and the optical wave tube according to the first embodiment;

FIG. 6 is a schematic view of the connection between the conductive connecting member and the lead terminal according to the first embodiment;

FIG. 7 is a perspective view of a heat shield according to one embodiment;

FIG. 8 is a schematic view showing the installation of the heat shield and the optical wave tube according to the second embodiment;

FIG. 9 is a sectional view of the lightwave oven according to the second embodiment;

FIG. 10 is an enlarged view of portion B of FIG. 9;

FIG. 11 is a sectional view of a third embodiment of the oven;

FIG. 12 is an enlarged view of section C of FIG. 11;

FIG. 13 is a schematic view showing the installation of the heat shield and the optical wave tube according to the third embodiment.

Reference numerals:

100 of a shell;

200 heat shields, 210 riveting grooves and 220 through holes;

300 light wave tube, 310 tube, 320 conductive terminal, 321 threaded hole, 322 mounting head, 323 fixing head and 330 heating wire;

400 conductive connecting pieces, 410 riveting heads, 420 connector heads, 421 mounting grooves and 430 grooves;

500 lead terminals, 510 power supply leads;

600 insulation.

Detailed Description

The utility model provides a light wave stove, including the shell with locate the heating element in the shell, heating element is including the thermal-insulated cover of installation in the shell and locate the light wave pipe in the thermal-insulated cover, the light wave pipe is equipped with the body of heater in including, the light wave pipe is still including locating the body both ends respectively and the conductive terminal of being connected with the heater electricity, be equipped with the electrically conductive connecting piece that is used for installing conductive terminal and is connected with it electricity on the thermal-insulated cover, the light wave pipe is installed behind the thermal-insulated cover, forms prestressing force between conductive terminal and the electrically conductive connecting piece. The utility model discloses conductive terminal on the light wave pipe is fixed on thermal-insulated cover through electrically conductive connecting piece, the prestressing force that forms between conductive terminal and the electrically conductive connecting piece is fixed the light wave pipe, prevent that the light wave pipe from taking place to rock because of the installation shakiness and making the inside abnormal sound that produces of light wave stove, conductive terminal is connected the circular telegram in order to realize the light wave pipe through the power down lead wire electricity in the electrically conductive connecting piece and the thermal-insulated cover outside simultaneously, electrically conductive connecting piece sets up on thermal-insulated cover, prevent that the produced light and heat of light wave pipe from dispersing to light wave stove inside, improve the thermal efficiency of light wave stove, prevent simultaneously that the operating temperature of the inside spare part of light wave stove from improving because.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

a kind of light wave stove, as shown in fig. 2 to fig. 7, including the outer casing 100 and the heating assembly located in the outer casing 100, the heating assembly includes the heat shield 200 installed in the outer casing 100 and the light wave tube 300 located in the heat shield 200, the light wave tube 300 includes the tube body 310, locate the heater 330 in the tube body 310 and locate the tube body 310 both ends and electrically connect with the heater 330 conductive terminal 320 separately, there are conductive connectors 400 on the heat shield 200, the conductive connectors 400 are used for installing the conductive terminals 320, after the light wave tube 300 is installed in the heat shield 200, form the pre-stress between conductive terminals 320 and conductive connectors 400, and the conductive connectors 400 and conductive terminals 320 are electrically connected. The lead terminal 500 electrically connected with the conductive connecting member 400 is further arranged on the outer side of the heat shield 200, so that the heat shield is suitable for being connected with an external power lead 510, during installation, the power lead 510 is connected with the lead terminal 500, the installation is more convenient, meanwhile, the lead terminal 500 can avoid the power lead 510 from contacting the high-temperature conductive connecting member 400 or the heat shield 200, the arrangement through the lead terminal 500 is realized, the power lead 510 can adopt a conventional lead instead of a high-temperature resistant lead, the cost is greatly reduced, and the safety of the power lead 510 is improved.

At present, the structure of the existing light wave oven is as follows: the heat shield is placed inside the machine, the bottom of the heat shield is provided with a spring, the spring pushes the heat shield to the bottom surface of the panel under the action of elasticity, a square mounting hole is punched on the heat shield, the two ends of a light wave tube in the heat shield are arranged in the mounting hole in a penetrating mode, and a separation blade on the heat shield is bent to fix the light wave tube. The above structure has the following drawbacks: 1. the light and heat generated by the light wave tube can be emitted to the interior of the light wave furnace from the mounting hole, so that the heat efficiency of the light wave furnace is reduced, and meanwhile, the heat emitted to the interior of the light wave furnace can improve the working temperature of parts in the light wave furnace, so that the parts are extremely easy to damage, and the safety performance of the light wave furnace is reduced. 2. The matching precision between the baffle plate and the optical wave tube is low, and the optical wave tube is easy to shake due to the fact that the optical wave tube is not installed in place. The utility model discloses conductive terminal 320 on the light wave pipe 300 is fixed on thermal-insulated cover 200 through electrically conductive connecting piece 400, the prestressing force that forms between conductive terminal 320 and the electrically conductive connecting piece 400 is fixed light wave pipe 300, prevent that light wave pipe 300 from taking place to rock because of the installation unstability and making the inside abnormal sound that produces of light wave stove, conductive terminal 320 is connected in order to realize the circular telegram of light wave pipe 300 through electrically conductive connecting piece 400 and the power supply lead 510 electricity that separates the heat shield 200 outside, electrically conductive connecting piece 400 sets up on thermal-insulated cover 200, prevent that the produced light and heat of light wave pipe 300 from dispersing to light wave stove inside, the thermal efficiency of light wave stove is improved, prevent simultaneously that the operating temperature of the inside spare part of light wave stove from improving because of the produced heat of light wave pipe 300, improve the working life of the inside spare part. The heating component is integrally modularized, so that the production, the transportation and the installation of the whole optical wave furnace are facilitated.

In this embodiment, as shown in fig. 4, a through hole 220 is provided on the heat shield 200, the conductive connector 400 passes through the through hole 220 and is riveted and fixed on the heat shield 200, as shown in fig. 6, the conductive connector 400 includes a rivet 410 and a connector 420, the rivet 410 is riveted and connected to the inner side of the heat shield 200 and abuts against the conductive terminal 320, the connector 420 passes through the through hole 220 and is connected to the lead terminal 500 outside the heat shield 200, preferably, the rivet 410, the connector 420 and the lead terminal are integrally disposed, the installation is convenient and the fixation is firm, the conductive connector 400 seals the through hole 220, by riveting the conductive connector 400 and the heat shield 200, not only the conductive connector 400 can be fixed, but also a gap for light and heat generated by the light wave tube 300 to pass through can be prevented from occurring between the conductive connector 400 and the heat shield 200, and it is ensured that light and heat generated by the light wave tube 300 are always collected, the thermal efficiency of the optical wave tube 300 is improved. Be equipped with on heat exchanger 200 and encircle riveting groove 210 of through-hole 220, rivet joint 410 is riveted in riveting groove 210 in order to carry on spacingly to conductive connecting piece 400, prevent that conductive connecting piece 400 from taking place to rock on heat exchanger 200, be equipped with mounting groove 421 towards light wave tube 300 one side at rivet joint 410, the tip level of conductive terminal 320 is pegged graft in mounting groove 421, when simple to operate, mounting groove 421 carries out the level and the ascending spacing of vertical direction to the conductive terminal 320 at light wave tube 300 both ends, prevent that light wave tube 300 from taking place to remove between two conductive connecting piece 400, the fixed mode is simple and convenient, guarantee that the conductive terminal 320 at light wave tube 300 both ends and the electric connection between the conductive connecting piece 400 is stable.

In this embodiment, as shown in fig. 5 and 7, the heat shield 200 is a metal member, preferably made of aluminum or steel material, and is stamped and bent to stretch the middle of the heat shield 200 downward to form a cavity for placing the light wave tube 300, and the surface of the heat shield 200 is processed into a mirror surface, so that a part of the far infrared light emitted by the light wave tube 300 is directly emitted onto the panel of the housing 100, and another part of the far infrared light is reflected onto the panel of the housing 100 through the mirror surface of the heat shield 200, so as to isolate the heat inside the heat shield 200 and prevent the heat from being transferred to the inside of the optical wave furnace.

In this embodiment, the optical wave tube 300 further includes a heat insulation member 600 respectively disposed at two ends of the tube body 310, the conductive terminals 320 at two ends of the tube body 310 are both disposed on the heat insulation member 600, the heat insulation member 600 is preferably sleeved at two ends of the tube body 310 to wrap two ends of the tube body 310, so as to prevent heat at two ends of the optical wave tube 300 from being transferred to the outside of the heat insulation cover 200 through the conductive connecting member 400, and to isolate the heat in the heat insulation cover 200 to the maximum extent, thereby preventing the heat from being transferred to the inside of the optical wave oven. Preferably, the heat insulating material is made of an insulating high-temperature resistant material such as rubber, and is fixed to both ends of the pipe body by molding and firing.

In this embodiment, the conductive terminal 320 includes the mounting head 322 and the fixing head 323, the mounting head 322 is located outside the heat insulating member 600 and abuts against the heat insulating member 600, the fixing head 323 is inserted into and penetrates the heat insulating member 600, the end of the heater 330 penetrates through the tube 310 and is inserted into the fixing head 323 to electrically connect the heater 330 and the conductive terminal 320, the conductive terminal 320 abuts against the heat insulating member 600 through the mounting head 322 to limit the depth of the fixing head 323 inserted into the heat insulating member 600, so as to facilitate mounting and positioning, and meanwhile, the fixing of the conductive terminal 320 is achieved through the fixing head 323, which is simple in structure and convenient to mount. The mounting head 322 is used for being inserted into the mounting groove 421, preferably, the outer diameter of the mounting head 322 is gradually reduced from the side close to the fixing head 323 to the side far away from the fixing head 323, when the mounting head is mounted, the mounting head 322 can be mounted without being precisely aligned to the mounting groove 421, and mounting difficulty is reduced, so that the mounting head 322 and the mounting groove 421 can be mounted conveniently.

Example two:

the difference between the present embodiment and the first embodiment is that, as shown in fig. 8 to 10, the conductive connecting member 400 in the present embodiment is a screw, a threaded hole 321 is formed in the conductive terminal 320, the screw passes through the lead terminal 500 and the heat insulating cover 200 and extends into the threaded hole 321 to be in threaded connection with the conductive terminal 320, and the screw is screwed with the internal thread of the conductive terminal 320 through the external thread, so that the conductive terminal 320 and the lead terminal 500 respectively abut against the inner side and the outer side of the heat insulating cover 200 to clamp the heat insulating cover 200, and meanwhile, the light wave tube 300 and the lead terminal 500 are fixed and electrically connected, the connection stability is higher, the conductive connecting member 400 and the conductive terminal 320 are prevented from being in poor contact due to automatic separation when the optical wave oven is impacted, and the damaged light wave tube 300, the conductive.

Example three:

the difference between the present embodiment and the first embodiment is that, as shown in fig. 11 to 13, the conductive connecting member 400 in the present embodiment is a metal elastic piece fixed inside the heat shield 200 and respectively located at two ends of the light wave tube 300, and the metal elastic piece is connected to the lead terminal 500 outside the heat shield 200, preferably, the metal elastic piece is detachably connected to the heat shield 200 through a fastener such as a screw, the conductive terminals 320 at two ends of the light wave tube 300 abut against the metal elastic piece, and the bent metal elastic piece clamps the light wave tube 300 under the action of elastic force and is electrically connected to the conductive terminals 320 at two ends of the light wave tube 300. The metal shrapnel at the light wave tube 300 both ends in this embodiment offsets with conductive terminal 320 in order to press from both sides tight light wave tube 300 under the elastic force effect, even when the light wave stove receives the impact, light wave tube 300 takes place to rock but offsets with metal shrapnel all the time because of the elastic force effect of metal shrapnel, prevents that light wave tube 300 and conductive connecting piece 400 contact failure, and the security is high, and the installation dismantlement is convenient when connecting stably, improves the installation dismantlement efficiency, the later stage of being convenient for is changed the maintenance.

In this embodiment, it is preferable that a groove 430 is formed on the metal elastic sheet, and an end of the conductive terminal 320 is inserted into the groove 430 to limit the optical wave tube 300. The groove 430 limits the conductive terminals 320 at the two ends of the optical wave tube 300 in the horizontal and vertical directions, so as to prevent the optical wave tube 300 from moving between the two metal elastic pieces, and ensure stable electrical connection between the conductive terminals 320 at the two ends of the optical wave tube 300 and the metal elastic pieces.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a light wave stove, includes the shell and locates the heating element in the shell, heating element is including the thermal-insulated cover of installation in the shell and locate the light wave pipe in the thermal-insulated cover, the light wave pipe is equipped with the body of heater in including, its characterized in that: the light wave tube further comprises conductive terminals which are respectively arranged at two ends of the tube body and electrically connected with the heating wire, conductive connecting pieces used for mounting the conductive terminals and electrically connected with the conductive terminals are arranged on the heat insulation cover, and after the light wave tube is mounted on the heat insulation cover, prestress is formed between the conductive terminals and the conductive connecting pieces.

2. The lightwave oven of claim 1, wherein: and a lead terminal electrically connected with the conductive connecting piece is arranged outside the heat shield so as to be suitable for being connected with an external power supply lead.

3. A lightwave oven as defined in claim 2, wherein: the conductive connecting piece is riveted and fixed on the heat shield and comprises a riveting head connected with the conductive terminal and a connector lug connected with the lead terminal.

4. A lightwave oven as defined in claim 3, wherein: the heat shield is provided with a riveting groove, the riveting head is riveted in the riveting groove to limit the conductive connecting piece, one side of the riveting head, facing the light wave tube, is provided with a mounting groove, and the end part of the conductive terminal is inserted in the mounting groove.

5. A lightwave oven as defined in claim 2, wherein: the conductive terminal is provided with a threaded hole, the conductive connecting piece is a screw, and the screw penetrates through the lead terminal and the heat shield and extends into the threaded hole to be connected with the conductive terminal.

6. A lightwave oven as defined in claim 2, wherein: the conductive connecting piece is a metal elastic piece fixed in the heat insulation cover, and the metal elastic pieces at two ends of the light wave tube are abutted to the conductive terminals.

7. The lightwave oven of claim 6, wherein: the metal elastic sheet is provided with a groove, and the end part of the conductive terminal is inserted in the groove to limit the light wave tube.

8. The lightwave oven of claim 7, wherein: the metal elastic sheet is detachably connected with the heat shield through a fastener.

9. A lightwave oven according to any one of claims 1 to 8, wherein: the light wave tube further comprises heat insulation pieces arranged at two ends of the tube body respectively, and the conductive terminals at two ends of the tube body are arranged on the heat insulation pieces.

10. A lightwave oven as defined in claim 9, wherein: the conductive terminal comprises an installation head positioned on one side of the heat insulation piece and a fixed head penetrating through the heat insulation piece and connected with the heating wire, the fixed head is inserted into the heat insulation piece, and the installation head is in contact with the outer side of the heat insulation piece.

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