CN121346292A - An adjustable electric fireplace - Google Patents

Abstract

The invention discloses an adjustable electric fireplace, which relates to the technical field of electric fireplaces and comprises a shell component, a projection screen component, a lifting component I and a decoration component, wherein the shell component comprises a front cover plate and a box shell, an opening is formed in the front side of the box shell, the front cover plate can be detachably and fixedly connected to the opening, the projection screen component is obliquely arranged in the box shell, the rear end of the projection screen component is movably connected with the rear upper side of the shell component, the front end of the projection screen component extends towards the lower front side of the shell component, the lifting component I is connected with or contacted with the front end of the projection screen component, the decoration component I is arranged in the shell component and is arranged behind the projection screen component, the lifting component I can drive the front end of the projection screen component to ascend, so that the decoration component can pass through between the projection screen component and the inner bottom wall of the opening, and the front end of the projection screen component can synchronously descend when the output end of the lifting component I descends. The invention can conveniently replace the decoration component, and enhances the customizable and long-term use interestingness of the product.

Description

Adjustable electric fireplace

Technical Field

The invention relates to the technical field of electric fireplaces, in particular to an adjustable electric fireplace.

Background

Holographic electric fireplaces have been widely used in recent years as a modern home decoration and atmosphere creation device. Holographic electric fireplaces generally include an imaging screen at the top of the device and a transparent projection screen at the front of the main body for refracting light emitted by the top imaging screen to form a flame image with stereoscopic and dynamic effects at the user's viewing angle. In order to enhance the sense of reality and the aesthetic property of the scene, a decoration artificial firewood, a simulated carbon block or other ornaments are usually arranged behind the projection screen and combined with the flame image to form a complete fireplace vision scene.

The electric fireplace is installed through the mode of embedding wall body or wood cabinet more, and in current common design, the transparent projection screen of electric fireplace is mostly fixed mounting structure, and it forms a detachable whole with the fireplace shell, in case electric fireplace is embedded in wall body or customization cabinet body, the user can't conveniently change the decoration false firewood at rear or add other embellishments, leads to the customizable and long-term use interest of product to reduce, and user experience is relatively poor.

Disclosure of Invention

The invention aims to provide an adjustable electric fireplace, which solves the problems in the prior art, can conveniently replace a decoration component behind a projection screen component, and enhances the customization and long-term use interestingness of products.

In order to achieve the above object, the present invention provides the following solutions:

the invention provides an adjustable electric fireplace, which comprises a shell component, a projection screen component, a lifting component I and a decoration component, wherein:

The shell assembly comprises a front cover plate and a box shell, the front side of the box shell is provided with an opening, and the front cover plate can be detachably and fixedly connected to the opening of the box shell;

The projection screen assembly is obliquely arranged in the case, and the rear end of the projection screen assembly is movably connected with the rear upper part of the shell assembly;

the lifting assembly I is connected with or contacted with the front end of the projection screen assembly;

the first lifting component can drive the front end of the projection screen component to ascend so that the decoration component can pass through between the front end of the projection screen component and the inner bottom wall of the opening, and the front end of the projection screen component can synchronously descend when the output end of the first lifting component descends.

The first lifting assembly comprises two first lead screws, two lifters and a first driving device, wherein the first lead screws are arranged along the height direction of the shell assembly, the first lead screws are rotationally connected with the shell assembly, the lifters comprise lifting bases and limiting pieces fixedly connected to the lifting bases, the two lifting bases are respectively in threaded connection with the two first lead screws, the front ends of the projection screen assemblies are in contact with the upper surfaces of the two lifting bases, the limiting pieces can be in contact with the front ends of the projection screen assemblies and limit the projection screen assemblies to move towards the opening direction, and the first driving device can drive the two first lead screws to rotate along the same axis.

Preferably, the projection screen also comprises two elastic components I and two sliding blocks, wherein the two sliding blocks are movably connected with the rear end of the projection screen assembly, and the two sliding blocks are slidably connected with the shell assembly; one end of each elastic component I is fixedly connected with the shell component, the other ends of the two elastic components I are respectively fixedly connected with the two sliding blocks, when the lifting component I drives the front end of the projection screen component to ascend, each sliding block can move towards the direction away from the opening relative to the shell component, when the lifting component I drives the front end of the projection screen component to descend, each elastic component I can apply acting force towards the opening to the projection screen component, and under the gravity of the projection screen component and the acting force of the elastic component I, the sliding blocks can move towards the direction close to the opening relative to the shell component and can keep contact with the upper surface of the lifting base.

Preferably, the device further comprises a screen, wherein the screen is arranged at the top of the shell component in an initial state, the front end of the projection screen component can be lifted to adjust the included angle of the projection screen component relative to the screen, and the included angle range of the projection screen component and the screen is 0-50 degrees.

Preferably, the shell assembly further comprises a screen fixing assembly, a lifting assembly II and a connecting assembly, wherein the screen fixing assembly is arranged at the top of the shell, the screen is fixedly connected to the screen fixing assembly and arranged on the lower surface of the screen fixing assembly, one side, far away from the opening, of the projection screen assembly is movably connected with one side, far away from the opening, of the screen fixing assembly, the connecting assembly can connect one side, close to the opening, of the projection screen assembly with one side, close to the opening, of the screen fixing assembly, the lifting assembly II is movably connected with one side, far away from the opening, of the screen fixing assembly II can drive one side, far away from the opening, of the screen fixing assembly to lift so as to change the inclination angle of the screen fixing assembly relative to the horizontal plane.

The screen fixing assembly comprises a screen fixing plate, a track structure and a gear assembly, wherein the two track structures are fixedly connected with the shell assembly, at least one gear assembly is arranged, each track structure extends from one side close to the opening to one side far away from the opening, rack teeth are arranged on at least one track structure, two ends of one side of the screen fixing plate close to the opening are respectively and movably connected with the two track structures, the gear assembly is arranged at least one end of one side of the screen fixing plate close to the opening, the gear assembly is meshed with the rack teeth of the track structure on the corresponding side, the second driving device is connected with the gear assembly, and the second driving device can drive each gear assembly to rotate around the axis of the corresponding gear assembly so that one side of the screen fixing plate close to the opening moves along the track structure.

The lifting assembly comprises a driving device III, two lead screws II and two connecting blocks, wherein each lead screw II is in rotary connection with the shell assembly, the lead screws II are connected with the driving device III, the driving device III can drive each lead screw II to rotate around the axis of the corresponding lead screw II, the two connecting blocks are in threaded connection with the two lead screws II respectively, and two ends of one side, far away from the opening, of the screen fixing assembly are in rotary connection with the two connecting blocks respectively.

Preferably, the connecting assembly comprises a connecting body, wherein the upper end of the connecting body is connected with the screen fixing plate and can rotate around a vertical axis relative to the screen fixing plate, a clamping groove is formed in the lower end of the connecting body, the connecting body can rotate around the vertical axis under the action of external force, and one end, close to the opening, of the screen fixing plate and one end, close to the opening, of the projection screen assembly extend into the clamping groove.

Preferably, the connecting assembly further comprises an elastic component II, one end of the elastic component II is fixedly connected with the screen fixing plate, the other end of the elastic component II is connected with the connecting body, a middle plate assembly is arranged between the top plate and the screen fixing assembly, a limiting plate is arranged on the middle plate assembly, when the screen fixing plate is located at an initial position of the top of the shell assembly, the limiting plate can be abutted with the connecting body and enable a notch of the clamping groove to face a direction perpendicular to the length direction of the track structure, when the screen fixing plate is located at the initial position of the top of the shell assembly, the elastic component II is in a compressed state, and when the gear assembly moves along the track structure in a direction away from the opening, the elastic component II can push the connecting body to rotate and enable one end of the screen fixing plate, which is close to the opening, and one end of the projection screen assembly, which is close to the opening, extend into the clamping groove.

Preferably, the second driving device is capable of driving each gear assembly to move along the corresponding track structure in a direction away from the opening so as to switch the screen to a vertical state, when the screen is in the vertical state, the screen is perpendicular to the bottom plate of the shell assembly, and the second driving device is capable of driving each gear assembly to move along the corresponding track structure in a direction close to the opening so as to switch the screen from the vertical state to an initial state.

Compared with the prior art, the invention has the following technical effects:

The invention provides an adjustable electric fireplace which comprises a shell component, a projection screen component, a lifting component I and a decoration component, wherein the shell component comprises a front cover plate and a box shell, an opening is formed in the front side of the box shell, the front cover plate can be detachably and fixedly connected to the opening of the box shell, the projection screen component is obliquely arranged in the box shell, the rear end of the projection screen component is movably connected with the rear upper side of the shell component, the front end of the projection screen component extends towards the lower front side of the shell component when the projection screen component projects, the lifting component I is connected with or contacted with the front end of the projection screen component, the decoration component I is arranged in the shell component and is arranged behind the projection screen component, the lifting component I can drive the front end of the projection screen component to ascend, so that the decoration component can pass through between the front end of the projection screen component and the inner bottom wall of the opening, and the front end of the projection screen component can descend synchronously when the output end of the lifting component I descends.

The front cover plate is detached, the rear end of the projection screen assembly is movably connected with the shell assembly, the front end of the projection screen assembly is driven to rise through the lifting assembly, the inclination angle of the projection screen assembly is changed, the gap between the front end of the projection screen assembly and the inner bottom wall of the opening is increased, and therefore the decoration assembly behind the projection screen assembly can be conveniently replaced, and the customization and long-term use interestingness of products are enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of an adjustable electric fireplace provided by the present invention;

FIG. 2 is a schematic view of a portion of an adjustable electric fireplace according to example 1;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is an enlarged view of B in FIG. 2;

FIG. 5 is a schematic diagram showing a portion of an adjustable electric fireplace according to example 1;

FIG. 6 is a schematic view of a portion of an adjustable electric fireplace as provided in example 1;

FIG. 7 is an enlarged view of C in FIG. 6;

FIG. 8 is an enlarged view of D of FIG. 6;

FIG. 9 is a schematic view of an adjustable electric fireplace as provided in example 1;

FIG. 10 is a schematic view showing a part of an adjustable electric fireplace according to example 1;

FIG. 11 is a schematic view of a lifter according to the present invention;

FIG. 12 is a schematic view of the projection screen assembly in an operative position;

FIG. 13 is a schematic view of a projection screen assembly during adjustment;

FIG. 14 is a schematic diagram II of a projection screen assembly during adjustment;

FIG. 15 is a schematic view of a portion of an adjustable electric fireplace as provided in example 2;

FIG. 16 is a schematic view showing a portion of an adjustable electric fireplace according to example 2;

FIG. 17 is a schematic view of a portion of an adjustable electric fireplace as provided in example 2;

FIG. 18 is a schematic view showing a portion of an adjustable electric fireplace according to example 2;

fig. 19 is an enlarged view of E in fig. 18;

Fig. 20 is a schematic view of the screen fixing plate and the components on the screen fixing plate according to embodiment 2;

Fig. 21 is an enlarged view of F in fig. 20;

FIG. 22 is a schematic view showing a portion of an adjustable electric fireplace as provided in example 2;

FIG. 23 is a schematic view of the screen of example 2 during adjustment;

FIG. 24 is a schematic view of the screen of example 2 when adjusted to be perpendicular to the bottom plate;

Fig. 25 is an enlarged view of G in fig. 23;

fig. 26 is an enlarged view of H in fig. 10;

100 parts of an adjustable electric fireplace, 1 parts of a shell assembly, 101 parts of a front cover plate, 102 parts of a box shell, 103 parts of an opening, 104 parts of a screen fixing assembly, 105 parts of a lifting assembly, 106 parts of a connecting assembly, 107 parts of a limiting strip, 108 parts of a lead screw, 109 parts of a screen fixing plate, 110 parts of a track structure, 111 parts of a gear assembly, 112 parts of a clamping groove, 113 parts of a connecting body, 114 parts of an elastic part, 115 parts of a top plate, 116 parts of an outer side plate, 117 parts of a rear plate, 118 parts of a bottom plate, 119 parts of a partition plate assembly, 120 parts of an inner side plate, 121 parts of a rack, 122 parts of a connecting block;

2. a projection screen assembly;

3. Lifting assembly one, 301, lead screw one, 302, lifter one, 303, driving device one, 304, lifting base, 305, limiting piece, 306, base one, 307, base two, 308, connecting rod one, 309, connecting rod two;

4. a decorative component; 5, an elastic component I, 6, a sliding block, 7, a screen, 8, a driving device II, 9, a middle plate component, 901 and a limiting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "center", "longitudinal", "transverse", "length", "width", "thickness", "vertical", "horizontal", "top", "bottom", "clockwise", "counterclockwise", etc. refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, it should be noted that, in the description of the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

The invention aims to provide an adjustable electric fireplace, which solves the problems in the prior art, can conveniently replace a decoration component behind a projection screen component, and enhances the customization and long-term use interestingness of products.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Example 1

As shown in fig. 1 to 26, the present embodiment provides an adjustable electric fireplace 100, which includes a housing assembly 1, a projection screen assembly 2, a lifting assembly 3 and a decoration assembly 4, wherein:

The housing assembly 1 comprises a front cover plate 101 and a case 102 with an opening 103 at the front side, wherein the front cover plate 101 can be detachably and fixedly connected to the opening 103 of the case 102;

The projection screen assembly 2 is obliquely arranged in the case 102, the rear end of the projection screen assembly 2 is movably connected with the rear upper side of the shell assembly 1, and the front end of the projection screen assembly 2 extends towards the lower front side of the shell assembly 1 when the projection screen assembly 2 performs projection;

the lifting assembly I3 is connected with or contacted with the front end of the projection screen assembly 2;

The decoration component 4 is arranged in the shell component 1 and behind the projection screen component 2, the lifting component 3 can drive the front end of the projection screen component 2 to ascend so that the decoration component 4 can pass through between the front end of the projection screen component 2 and the inner bottom wall of the opening 103, and the front end of the projection screen component 2 can synchronously descend when the output end of the lifting component 3 descends.

The front cover plate 101 is detached, the rear end of the projection screen assembly 2 is movably connected with the shell assembly 1, the lifting assembly 3 drives the front end of the projection screen assembly 2 to ascend, the inclination angle of the projection screen assembly 2 is changed, and the gap between the front end of the projection screen assembly 2 and the inner bottom wall of the opening 103 is increased, so that the decoration assembly 4 behind the projection screen assembly 2 can be conveniently replaced, and the customization and long-term use interestingness of products are enhanced.

The end of the housing assembly 1 where the opening 103 is provided is the front end of the case 102, and the end of the housing assembly 1 away from the opening 103 is the rear end of the case 102.

In some embodiments, the lifting assembly one 3 comprises two first lead screws 301, two lifters 302 and a first driving device 303, wherein each first lead screw 301 is arranged along the height direction of the shell assembly 1, each first lead screw 301 is rotationally connected with the shell assembly 1, each lifter 302 comprises a lifting base 304 and a limiting piece 305 fixedly connected to the lifting base 304, the two lifting bases 304 are respectively in threaded connection with the two first lead screws 301, the front end of the projection screen assembly 2 is in contact with the upper surfaces of the two lifting bases 304, each limiting piece 305 can be in contact with the front end of the projection screen assembly 2 and limit the projection screen assembly 2 to move towards the direction of the opening 103, and the first driving device 303 can drive the two first lead screws 301 to respectively rotate along the same axis. When the lifter 302 bottoms out, the front end of the projection screen assembly 2 will not slip off the bottom by the stop 305. The first driving device 303 drives the first two lead screws 301 to rotate, and converts the rotation of the first two lead screws 301 into linear motion of the second lifting base 304, so as to drive the front end of the projection screen assembly 2 to lift.

In some embodiments, the projection screen assembly further comprises two elastic components one 5 and two sliding blocks 6, as shown in fig. 4, the two sliding blocks 6 are movably connected with the rear end of the projection screen assembly 2, the two sliding blocks 6 are slidably connected with the housing assembly 1, one end of each elastic component one 5 is fixedly connected with the housing assembly 1, the other ends of the two elastic components one 5 are respectively fixedly connected with the two sliding blocks 6, when the lifting assembly one 3 drives the front end of the projection screen assembly 2 to ascend, each sliding block 6 can move towards the direction away from the opening 103 relative to the housing assembly 1, when the lifting assembly one 3 drives the front end of the projection screen assembly 2 to descend, each elastic component one 5 can apply a force towards the opening 103 to the projection screen assembly 2, when the gravity of the projection screen assembly 2 and the force of the elastic component one 5 are applied, the sliding blocks 6 can move towards the direction close to the opening 103 relative to the housing assembly 1 and the projection screen assembly 2 can keep in contact with the upper surface of the lifting base 304, so that when the projection screen assembly 2 descends along with the lifting base 304, the front end of the projection screen assembly 2 can descend along with the lifting base 304, and virtual flame decoration of the projection screen assembly 2 is realized by virtual flame decoration of the virtual flame.

In some embodiments, the projection screen assembly further comprises a screen 7, the screen 7 is arranged at the top of the shell assembly 1 in an initial state, the front end of the projection screen assembly 2 can be lifted, the included angle of the projection screen assembly 2 relative to the screen 7 can be adjusted, and the included angle of the projection screen assembly 2 and the screen 7 ranges from 0 DEG to 50 deg.

In some embodiments, a heating system is also included, which is fixedly attached to the top of the housing assembly 1.

In some embodiments, a groove structure with an opening 103 facing to the rear of the housing assembly 1 is formed between the limiting member 305 and the lifting base 304, the inner bottom wall of the groove structure is arc-shaped, and the inner side edge of one end of the limiting member 305 away from the inner bottom wall of the groove structure is rounded to form a rounded guiding structure. The front end of the projection screen assembly 2 can slide relative to the upper surface of the lifting base 304. As shown in fig. 7, the front end of the projection screen assembly 2 can extend at least partially into the channel structure.

In some embodiments, the projection element of the projection screen assembly 2 is made of transparent material, and the front end of the projection screen assembly 2 is of a non-fixed structure and is supported on the upper surface (plane) of the lifting base 304 by self-gravity.

In some embodiments, the rear end of the projection screen assembly 2 has a through hole, and one end of the slider 6 is disposed in the through hole and is rotatably connected to the projection screen assembly 2, so that the projection screen assembly 2 can swing back and forth.

In some embodiments, the case 102 includes a top plate 115, an outer side plate 116, a rear plate 117, and a bottom plate 118, and the front cover plate 101, the top plate 115, the outer side plate 116, the rear plate 117, and the bottom plate 118 are fixedly connected to form a housing, and the case 102 further includes a partition assembly 119 disposed in the housing, wherein a side plate of the partition assembly 119 is an inner side plate 120. The first lead screw 301 is disposed in the gap between the inner side plate 120 and the outer side plate 116. A limit bar 107 extending along the axial direction of the first screw 301 is arranged on one side of each inner side plate 120 near the opening 103. The lifting base 304 comprises a first base 306, a second base 307, a first connecting rod 308 and a second connecting rod 309, wherein two ends of the first connecting rod 308 are fixedly connected with one end of the first base 306 and one end of the second connecting rod 309 respectively, the other end of the second connecting rod 309 is fixedly connected with one end of the second base 307, and the other end of the first base 306 and the other end of the second base 307 extend towards a direction away from the opening 103. The first link 308 and the second link 309 form an L-shaped link. The first base 306 and the second base 307 leave a first gap along the length of the first connecting rod 308. One end of the first base 306, which is close to the opening 103, is fixedly connected with a limiting piece 305 and forms a groove structure. The end of the second base 307 away from the opening 103 is in threaded connection with the first screw 301. One side of the inner side plate 120, which is close to the opening 103, is arranged in a first gap, the limit bar 107 is arranged in a second gap between the first connecting piece and the second base 307, and the first gap and the second gap are integrally L-shaped. The inner side wall of the first connecting member close to the second base 307 can contact with the side wall of the limit bar 107 away from the second base 307, and the side wall of the inner side plate 120 can contact with the side wall of the first base 306 and/or the side wall of the second base 307 close to the inner side plate 120, so as to guide the lifting base 304 when the lifting base 304 moves up and down.

In some embodiments, one first lead screw 301 is disposed on the left and right sides of the projection screen assembly 2, the first left and right lead screws 301 are connected with a synchronous belt, a driving wheel is disposed on the top of the first driving device 303, and the synchronous belt bypasses the driving wheel and transmits the driving force of the first driving device 303 to the two first lead screws 301. The periphery of the driving wheel is provided with a synchronous belt pre-tightening piece which is provided with a circular sliding or rolling structure.

In some embodiments, the lifter 302 is located at the rear of the face frame, the interior of the face frame is provided with a through hole structure, different types of decoration firewood can be placed in the electric fireplace through the large through hole, and the small through hole is provided with an air outlet ornament. The structure and the arrangement mode of the air outlet ornament are in the prior art, and are not described in detail herein.

In some embodiments, the decorative component 4 is a decorative false firewood component. The first driving device 303 is a motor.

The adjustable electric fireplace 100 of the present embodiment operates as follows:

The first driving device 303 rotates the first screw 301 through a synchronous belt transmission structure, the lifter 302 ascends along the first screw 301, when the lifter 302 ascends at the lowest point, under the action of gravity falling, the bottom of the projection screen assembly 2 slides on the surface of the lifter 302 and changes an included angle with the screen 7, when the projection screen assembly slides to the position of the limiting piece 305 of the lifter 302, the top of the projection screen assembly 2 starts to move backwards, an elastic part one 5 (preferably a spring, a telescopic cylinder and other parts can be used here) is stretched, along with the ascending of the lifter 302, the top of the projection screen assembly 2 moves backwards, the distance between the bottom of the projection screen assembly 2 and the bottom of the inner cavity of the electric fireplace is increased, and the projection screen assembly 2 stops working until reaching a certain position, and at the moment, a user can replace or add ornaments. When the lifter 302 descends, the top of the projection screen assembly 2 is acted by the elastic component one 5 (the spring provides forward thrust for the projection screen assembly 2 at the moment, so that the resistance of the lifter 302 in the descending process is reduced), the bottom of the projection screen assembly 2 is tightly attached to the lifter 302 in the descending process, and the bottom of the projection screen assembly 2 is prevented from slipping from the surface of the lifter 302 under the action of gravity. Because the user has changed the ornament, the point at which the elevator 302 is lowered to stop can be different from before, and the angle and height of the projected flame can be different, so that the electric fireplace has multiple holographic choices. The activity of projection screen subassembly 2 of this embodiment is all accomplished (does not occupy the external space) inside electric fireplace, through the mode of automatic folding projection screen subassembly 2, promotes projection screen subassembly 2's height automatically, promotes the ornamental effect, removes the uncertainty factor that the dismantlement machine brought simultaneously, provides convenient switching mode for the display effect of different scenes.

Example 2

15-25, The embodiment provides an adjustable electric fireplace 100, on the basis of embodiment 1, the shell assembly 1 of the embodiment further comprises a screen fixing assembly 104, a lifting assembly II 105 and a connecting assembly 106, the screen fixing assembly 104 is arranged on the top of the box shell 102, the screen 7 is fixedly connected to the screen fixing assembly 104 and is arranged on the lower surface of the screen fixing assembly 104, one side of the projection screen assembly 2 away from the opening 103 is movably connected with one side of the screen fixing assembly 104 away from the opening 103, the connecting assembly 106 can connect one side of the projection screen assembly 2 close to the opening 103 with one side of the screen fixing assembly 104 close to the opening 103, the lifting assembly II 105 is movably connected with one side of the screen fixing assembly 104 away from the opening 103, and the lifting assembly II 105 can drive one side of the screen fixing assembly 104 away from the opening 103 to lift so as to change the inclination angle of the screen fixing assembly 104 relative to the horizontal plane. When the front side of the projection screen assembly 2 is driven by the first lifting assembly 3 to rise to a set position, the front sides of the projection screen assembly 2 and the screen fixing assembly 104 are connected through the connecting assembly 106, the second lifting assembly 105 drives the rear side of the screen fixing assembly 104 to move downwards so that the screen fixing assembly 104 gradually inclines from the top of the shell assembly 1 until the rear side of the screen fixing assembly 104 moves to the lower end of the shell assembly 1, and the rear side of the projection screen assembly 2 is connected with the screen fixing assembly 104, so that the front side of the projection screen assembly 2 is connected with the screen fixing assembly 104 through the connecting assembly 106, and the projection screen assembly 2 can incline backwards and downwards along with the screen fixing assembly 104, at the moment, the screen 7 can be used as a background plate to play video content, and the video content is matched with the front decoration firewood through the projection screen, so that a new effect display is formed.

In some embodiments, as shown in fig. 25 and 26, the screen fixing assembly 104 further comprises a second driving device 8, the second screen fixing assembly 104 comprises a screen fixing plate 109, two track structures 110 and gear assemblies 111, the track structures 110 are fixedly connected with the shell assembly 1, at least one gear assembly 111 is arranged, each track structure 110 extends from one side close to the opening 103 to one side far away from the opening 103, rack teeth are arranged on at least one track structure 110, two ends of one side, close to the opening 103, of the screen fixing plate 109 are respectively and movably connected with the two track structures 110, at least one end, close to the opening 103, of the screen fixing plate 109 is provided with the gear assemblies 111, the gear assemblies 111 are in meshed connection with the corresponding track structures 110, the second driving device 8 is connected with the gear assemblies 111, and the second driving device 8 can drive each gear assembly 111 to rotate around the axis of the corresponding gear assemblies 111 so that one side, close to the opening 103, of the screen fixing plate 109 moves along the track structures 110.

In some embodiments, the track grooves of the two track structures 110 are oppositely arranged, rack teeth are respectively arranged in the two track grooves, two ends of one side, close to the opening 103, of the screen fixing plate 109 are respectively connected with the two gear assemblies 111 in a rotating mode, the two gear assemblies 111 are respectively connected with the two track structures 110 in a meshed mode, two ends of one side, close to the opening 103, of the screen fixing plate 109 are respectively connected with the two track grooves in a sliding mode, two ends of one side, far away from the opening 103, of the screen fixing plate 109 are respectively connected with the lifting assembly II 105 in a rotating mode, and one side, far away from the opening 103, of the projection screen assembly 2 is movably connected with one side, far away from the opening 103, of the screen fixing plate 109. The lifting assembly II 105 drives the rear side of the screen fixing plate 109 to descend, and meanwhile the driving device II 8 drives the gear assembly 111 to rotate, so that the gear assembly 111 moves along the rack teeth in a direction away from the opening 103, and the front side of the lifting assembly is driven to move backwards, so that the screen fixing plate 109 tilts.

In some embodiments, the second lifting assembly 105 includes a third driving device, two second screws 108 and two connection blocks 122, where each second screw 108 is rotatably connected to the housing assembly 1, the second screws 108 are connected to the third driving device, the third driving device can drive each second screw 108 to rotate around the axis of the corresponding second screw 108, the two connection blocks 122 are respectively screwed to the two second screws 108, and two ends of one side of the screen fixing assembly 104 away from the opening 103 are respectively rotatably connected to the two connection blocks 122. The lifting of the rear side of the screen fixing assembly 104 is achieved through the mode of screw nut matching.

In some embodiments, the connection assembly 106 includes a connection body 113, an upper end of the connection body 113 is connected to the screen fixing plate 109 and can rotate around a vertical axis relative to the screen fixing plate 109, a lower end of the connection body 113 is provided with a clamping groove 112, and the connection body 113 can rotate around the vertical axis under the action of external force and enable one end of the screen fixing plate 109 near the opening 103 and one end of the projection screen assembly 2 near the opening 103 to extend into the clamping groove 112.

In some embodiments, the connection assembly 106 further includes a second elastic member 114, one end of the second elastic member 114 is fixedly connected with the screen fixing plate 109, the other end of the second elastic member 114 is connected with the connection body 113, a middle plate assembly 9 is disposed between the top plate 115 and the screen fixing assembly 104, a limiting plate 901 is disposed on the middle plate assembly 9, when the screen fixing plate 109 is located at an initial position of the top of the housing assembly 1, the limiting plate 901 can abut against the connection body 113 and enable a notch of the clamping groove 112 to face a direction perpendicular to a length direction of the track structure 110, when the screen fixing plate 109 is located at an initial position of the top of the housing assembly 1, the second elastic member 114 is in a compressed state, and when the gear assembly 111 moves along the track structure 110 in a direction away from the opening 103, the second elastic member 114 can push the connection body 113 to rotate and enable one end of the screen fixing plate 109 close to the opening 103 and one end of the projection screen assembly 2 close to the opening 103 to the inside the clamping groove 112. When the projection screen assembly 2 is adjusted to a final position (preferably, the projection screen assembly 2 is adjusted to a horizontal state), the second driving device 8 drives the screen fixing plate 109 to rotate, the front side of the screen fixing plate 109 moves away from the direction of the limiting plate 901, the extrusion effect of the limiting plate 901 on the connecting body 113 is gradually reduced, the connecting body 113 rotates under the elastic force of the second elastic component 114, the notch is tilted towards the side close to the projection screen assembly 2, and therefore one end of the screen fixing plate 109 close to the opening 103 and one end of the projection screen assembly 2 close to the opening 103 extend into the clamping groove 112. When the gear assembly 111 moves along the track structure 110 in a direction approaching the opening 103, the front side of the screen fixing plate 109 moves in a direction approaching the limiting plate 901, and the limiting plate 901 can press the connecting body 113 to reset the connecting body 113, so that the projection screen assembly 2 is separated from the clamping groove 112.

In some embodiments, the other end of the second elastic member 114 is preferably fixedly connected to the connecting body 113.

In some embodiments, the second driving device 8 can drive each gear assembly 111 to move along the corresponding track structure 110 in a direction away from the opening 103 to switch to the vertical state, when the screen 7 is in the vertical state, the screen 7 and the bottom plate 118 of the housing assembly 1 are perpendicular to each other, and the second driving device 8 can drive each gear assembly 111 to move along the corresponding track structure 110 in a direction close to the opening 103 to switch the screen 7 from the vertical state to the initial state.

In some embodiments, the top optical axis portions of the first and second screws 301 and 108 are each limited to the middle plate assembly 9, the bottoms of the first and second screws 301 and 108 are each provided with a timing belt drive wheel, and the bottom optical axis portions of the first and second screws 301 and 108 are mounted on the screw mount of the bottom plate 118.

In some embodiments, the third and second driving devices 8 are motors.

In some embodiments of the present invention, in some embodiments, an air deflector is arranged between the top plate 115 and the middle plate assembly 9 a fan heating component, a loudspeaker, a main control board,

The adjustable electric fireplace 100 of the present embodiment operates as follows:

The first driving device 303 rotates the first screw 301 through a synchronous belt transmission structure, the lifter 302 ascends along the first screw 301, when the lifter 302 ascends at the lowest point, under the action of gravity falling, the bottom of the projection screen assembly 2 slides on the surface of the lifter 302 and changes an included angle with the screen 7, when the projection screen assembly slides to the position of the limiting piece 305 of the lifter 302, the top of the projection screen assembly 2 starts to move backwards, an elastic part one 5 (preferably a spring, a telescopic cylinder and other parts can be used here) is stretched, along with the ascending of the lifter 302, the top of the projection screen assembly 2 moves backwards, the distance between the bottom of the projection screen assembly 2 and the bottom of the inner cavity of the electric fireplace is increased, and the projection screen assembly 2 stops working until reaching a certain position, and at the moment, a user can replace or add ornaments.

The lifter 302 continues to rise, the top of the projection screen assembly 2 moves backwards until the projection screen assembly 2 is parallel to the screen 7, at this time, the driving device three rotates, the lead screw two 108 is driven by the synchronous belt to drive the connecting block 122 to move downwards, meanwhile, the driving device two 8 rotates, the gear assembly 111 (toothed runner) is driven to move in the track structure 110 with the rack 121, the front end of the screen fixing assembly 104 moves backwards, the connecting body 113 (preferably glass buckle) is gradually far away from the contact surface of the middle plate assembly 9, under the elastic force of the elastic component two 114 (preferably a spring), the connecting body 113 can rotate a certain angle to clamp the bottom of the projection screen assembly 2, the projection screen assembly 2 moves backwards along with the screen fixing assembly 104 and swings by an angle without dropping, as the connecting block 122 continues to descend, the screen fixing assembly 104 can be placed perpendicular to the bottom plate 118, thereby realizing the position change of the screen 7 from the horizontal direction to the vertical direction, the screen 7 can be used as a background plate to play video content, the video content can be matched with the front decorative false firewood to form a new effect display.

When the connecting block 122 moves upwards, the driving device II 8 rotates to push the front end of the screen fixing assembly 104 to move forwards, along with the approach of the front end to the limiting plate 901, the connecting body 113 is pressed to swing after being contacted with the limiting plate 901, the connection between the projection screen assembly 2 and the screen fixing assembly 104 is released, the bottom of the projection screen assembly 2 is just positioned in the groove structure of the lifter 302, when the lifter 302 descends, the groove structure provides a downward pulling action for the projection screen assembly 2 to enable the projection screen assembly 2 to descend along with the lifter 302, when the lifter 302 descends, the top of the projection screen assembly 2 is under the action of the elastic component I5 (the spring provides forward pushing force for the projection screen assembly 2 at the moment, and reduces the resistance of the lifter 302 in the descending process), the bottom is tightly attached to the lifter 302 in the descending process of the projection screen assembly 2, and the bottom of the projection screen assembly 2 is ensured not to slip from the surface of the lifter 302 under the action of gravity. Because the user has changed the ornament, the point at which the elevator 302 is lowered to stop can be different from before, and the angle and height of the projected flame can be different, so that the electric fireplace has multiple holographic choices.

The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided herein to facilitate understanding of the principles and embodiments of the present invention and to provide further advantages and practical applications for those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (10)

1. An adjustable electric fireplace is characterized by comprising a shell assembly, a projection screen assembly, a lifting assembly I and a decoration assembly, wherein:

The shell assembly comprises a front cover plate and a box shell, the front side of the box shell is provided with an opening, and the front cover plate can be detachably and fixedly connected to the opening of the box shell;

The projection screen assembly is obliquely arranged in the case, and the rear end of the projection screen assembly is movably connected with the rear upper part of the shell assembly;

the lifting assembly I is connected with or contacted with the front end of the projection screen assembly;

the first lifting component can drive the front end of the projection screen component to ascend so that the decoration component can pass through between the front end of the projection screen component and the inner bottom wall of the opening, and the front end of the projection screen component can synchronously descend when the output end of the first lifting component descends.

2. The adjustable electric fireplace of claim 1 wherein the first elevating assembly comprises two first screws, two lifters and a first driving device, wherein the first screws are arranged along the height direction of the shell assembly, the first screws are rotatably connected with the shell assembly, the lifters comprise elevating bases and limiting pieces fixedly connected to the elevating bases, the two elevating bases are respectively connected with the two first screws in a threaded mode, the front end of the projection screen assembly is contacted with the upper surfaces of the two elevating bases, the limiting pieces can be contacted with the front end of the projection screen assembly and limit the projection screen assembly to move towards the opening direction, and the first driving device can drive the two first screws to rotate along the same axis.

3. The adjustable electric fireplace of claim 2 further comprising two first elastic members and two sliding blocks, wherein the first elastic members and the two sliding blocks are movably connected with the rear end of the projection screen assembly, the two sliding blocks are slidably connected with the shell assembly, one end of each first elastic member is fixedly connected with the shell assembly, the other end of each first elastic member is fixedly connected with the two sliding blocks, when the first lifting assembly drives the front end of the projection screen assembly to ascend, each sliding block can move relative to the shell assembly in a direction away from the opening, when the first lifting assembly drives the front end of the projection screen assembly to descend, each first elastic member can apply a force towards the opening to the projection screen assembly, and when the gravity of the projection screen assembly and the force of the first elastic members are applied, the sliding blocks can move relative to the shell assembly in a direction towards the opening, and the projection screen assembly can keep contact with the upper surface of the lifting base.

4. The adjustable electric fireplace of claim 1, further comprising a screen disposed on top of the housing assembly in an initial state, wherein an angle between the projection screen assembly and the screen is adjustable by elevating a front end of the projection screen assembly, wherein the angle between the projection screen assembly and the screen is in a range of 0-50 °.

5. The adjustable electric fireplace of claim 3, wherein the shell assembly further comprises a screen fixing assembly, a lifting assembly II and a connecting assembly, the screen fixing assembly is arranged on the top of the box shell, the screen is fixedly connected to the screen fixing assembly and arranged on the lower surface of the screen fixing assembly, one side of the projection screen assembly far away from the opening is movably connected with one side of the screen fixing assembly far away from the opening, the connecting assembly can connect one side of the projection screen assembly near the opening with one side of the screen fixing assembly near the opening, the lifting assembly II is movably connected with one side of the screen fixing assembly far away from the opening, and the lifting assembly II can drive one side of the screen fixing assembly far away from the opening to lift so as to change the inclination angle of the screen fixing assembly relative to the horizontal plane.

6. The adjustable electric fireplace of claim 5, further comprising a second driving device, wherein the second screen fixing assembly comprises two screen fixing plates, two track structures and a gear assembly, the two track structures are fixedly connected with the shell assembly, at least one gear assembly is arranged, each track structure extends from one side close to the opening to one side far away from the opening, rack teeth are arranged on at least one track structure, two ends of one side of the screen fixing plate close to the opening are respectively and movably connected with the two track structures, the gear assembly is arranged at least one end of one side of the screen fixing plate close to the opening, the gear assembly is meshed with the rack teeth of the track structure on the corresponding side, the second driving device is connected with the gear assembly, and the second driving device can drive each gear assembly to rotate around the axis of the corresponding gear assembly so that one side of the screen fixing plate close to the opening moves along the track structure.

7. The adjustable electric fireplace of claim 5, wherein the lifting assembly comprises a driving device III, two lead screws II and two connecting blocks, each lead screw II is rotatably connected with the shell assembly, the lead screws II are connected with the driving device III, the driving device III can drive each lead screw II to rotate around the axis of the corresponding lead screw II, the two connecting blocks are respectively in threaded connection with the two lead screws II, and two ends of one side, far away from the opening, of the screen fixing assembly are respectively in rotational connection with the two connecting blocks.

8. The adjustable electric fireplace of claim 6 wherein the connecting assembly comprises a connecting body, wherein the upper end of the connecting body is connected with the screen fixing plate and can rotate around a vertical axis relative to the screen fixing plate, a clamping groove is formed in the lower end of the connecting body, and the connecting body can rotate around the vertical axis under the action of external force and enables one end of the screen fixing plate, which is close to the opening, and one end of the projection screen assembly, which is close to the opening, to extend into the clamping groove.

9. The adjustable electric fireplace of claim 8, wherein the connecting assembly further comprises a second elastic member, one end of the second elastic member is fixedly connected with the screen fixing plate, the other end of the second elastic member is connected with the connecting body, a middle plate assembly is arranged between a top plate of the shell assembly and the screen fixing assembly, a limiting plate is arranged on the middle plate assembly, when the screen fixing plate is located at an initial position of the top of the shell assembly, the limiting plate can be abutted with the connecting body and enable a notch of the clamping groove to face a direction perpendicular to the length direction of the track structure, when the screen fixing plate is located at the initial position of the top of the shell assembly, the second elastic member is in a compressed state, and when the gear assembly moves along the track structure in a direction away from the opening, the second elastic member can push the connecting body to rotate and enable one end of the screen fixing plate, which is close to the opening, and one end of the projection screen assembly, which is close to the opening, to the projection screen assembly extend into the clamping groove.

10. The adjustable electric fireplace of claim 6 wherein the second driving device is capable of driving each gear assembly to move along the corresponding track structure in a direction away from the opening to switch the screen to a vertical state, wherein when the screen is in the vertical state, the screen is perpendicular to the bottom plate of the housing assembly, and wherein the second driving device is capable of driving each gear assembly to move along the corresponding track structure in a direction towards the opening to switch the screen from the vertical state to an initial state.