CN213395562U

CN213395562U - Shell structure of multifunctional electric heater

Info

Publication number: CN213395562U
Application number: CN202021013515.2U
Authority: CN
Inventors: 杜岩
Original assignee: Zhongshan Xinneng Electrical Appliance Manufacturing Co Ltd
Current assignee: Zhongshan Xinneng Electrical Appliance Manufacturing Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-06-08
Anticipated expiration: 2030-06-04

Abstract

A shell structure of a multifunctional electric heater comprises a main machine body, wherein an installation cavity used for accommodating a hot air assembly is arranged in the main machine body, the main machine body comprises an outer shell used for limiting at least one part of the installation cavity, the outer shell is connected with the main machine body in a separated mode, a metal outer buckle plate is arranged on the outer surface of the outer shell, a long folded edge extending into the installation cavity is arranged on the edge of the metal outer buckle plate, and the metal outer buckle plate is reversely buckled on the inner end face of the outer shell through the long folded edge to realize connection with the outer shell; the metal outer buckle plate of the electric heater is simple in structure and convenient to assemble, installation efficiency can be improved, the connection structure can be saved by adopting a flanging method to connect with the outer shell, the metal outer buckle plate can be ensured to cover and attach to the outer end face of the outer shell, and the outer surface of the host machine body is smooth and flat.

Description

Shell structure of multifunctional electric heater

Technical Field

The utility model relates to an electric heater field specifically is a shell structure of multi-functional electric heater.

Background

The electric heater is the equipment that can provide the warm braw for the user, and the casing part of present electric heater mainly includes procapsid and back casing, connects the installation cavity that makes procapsid and back casing connect formation electric heater through lock joint or fastener, and partial electric heater can be installed the metal grating or the metal mesh that are used for the protection at outer terminal surface, but metal grating or metal adopt the fastener mode to assemble one by one equally, lead to production efficiency low, consequently need further improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable a shell structure of multi-functional electric heater, its effect is to provide a novel assembly structure of casing for electric heater, can improve production efficiency.

The utility model provides a shell structure of multi-functional electric heater, includes the host computer body, and the host computer is internal to be equipped with the installation cavity that is used for holding hot-blast assembly, the host computer body is including being used for injecing the at least partly shell body of installation cavity, and the shell body is connected with host computer body disconnect-type, the surface of shell body is provided with the outer buckle of metal, is equipped with the long hem that extends into in the installation cavity on the border of the outer buckle of metal, and the outer buckle of metal is through the interior terminal surface of long hem buckle back-off at the shell body to realize and shell body.

The utility model discloses can also adopt following technical measure to solve:

the edge flanging part of the metal outer buckle plate is provided with inward-bent edge flanging parts on the four edges, the upper end part and the lower end part of the outer shell are provided with level difference step surfaces, the inner walls of the edge flanging parts are pressed on the level difference step surfaces and the end surfaces of the two sides of the outer shell and are clamped and connected with the level difference step surfaces and the end surfaces of the two sides of the outer shell, the edge flanging parts of the side edges extend to form a plurality of long folding edges and short folding edges, and the edge flanging parts of the upper edge and.

The inner end face of the outer shell longitudinally extends to form an inner lining plate used for being connected with the main machine body, the inner lining plate is provided with a side concave opening corresponding to a long folding edge on the side edge of the metal outer buckle, the outer shell is provided with a top concave opening corresponding to a long folding edge on the upper edge, the outer shell is provided with a folding edge insertion opening corresponding to a long folding edge on the lower edge, and the long folding edge extends into the installation cavity through the side concave opening, the top concave opening and the folding edge insertion opening and is reversely buckled on the inner lining plate and the inner end face of the outer shell through the bent long folding edge.

The short folding edges and the long folding edges of the metal outer buckle plate are staggered and distributed on the edge folding parts at the side edges at intervals, and the short folding edges are bent and reversely buckled on the inner end face of the outer shell.

The outer casing includes procapsid and back casing, and the surface of procapsid and back casing all is connected with the metal external pinch plate of both outer surface radians of adaptation, and the interior terminal surface of procapsid extends has first interior bushing plate, and the interior terminal surface of back casing extends has the interior bushing plate of second of being connected with first interior bushing plate, and procapsid and back casing connect through interior bushing plate of first and second and constitute the installation cavity.

The first inner lining plate extends towards the second inner lining plate to form a plurality of inner lining plate reverse buckling blocks, the reverse buckling part of the second inner lining plate corresponding to the inner lining plate reverse buckling blocks is provided with a first reverse buckling hole, and the first inner lining plate and the second inner lining plate are matched with the first reverse buckling hole through the inner lining plate reverse buckling blocks to realize buckling connection.

The inner end face of the second inner lining plate is provided with a plurality of guide rail sliding grooves extending towards the first inner lining plate, the first inner lining plate extends along the outer wall face of the guide rail sliding grooves to form connecting lugs, and the second inner lining plate is provided with positioning openings matched with the connecting lugs;

the connecting lug is provided with a first connecting hole, the wall of the guide rail sliding chute is provided with a middle through hole corresponding to the first connecting hole, the guide rail sliding chute is internally provided with a nut sliding block in a sliding way, the nut sliding block is provided with a second connecting hole corresponding to the middle through hole, and the first lining plate and the second lining plate sequentially pass through the first connecting hole, the middle through hole and the second connecting hole through fasteners to realize fixed connection;

a front sliding limiting convex rib matched with one end face of the nut sliding block extends on the inner wall face of the guide rail sliding groove, and a rear sliding limiting convex rib matched with the other end face of the nut sliding block extends on the first inner lining plate.

The host machine body also comprises a top cover, the top cover is arranged at the top of the front shell and the rear shell, seam panels are arranged between the front shell and the rear shell and correspond to two seams of the first lining plate and the second lining plate, and the two metal external buckling plates are in smooth transition through the two seam panels;

the top of seam panel extends and has spacing lug, and the top cap corresponds spacing lug and sets up spacing jack, and the interior terminal surface symmetry of seam panel extends has a plurality of panel back-off pieces, and first interior welt and second interior welt correspond panel back-off piece and have all seted up the second back-off hole, and the panel back-off piece of seam panel one side realizes the lock joint cooperation with the second back-off hole of first interior welt, and the panel back-off piece of seam panel opposite side realizes the lock joint cooperation with the second back-off hole of second interior welt.

The metal external buckle plate of the front shell is provided with a plurality of air outlet holes communicated with the air outlet, and the metal external buckle plate of the back shell is provided with a plurality of air inlet holes communicated with the air inlet.

The hot air assembly comprises an assembly frame body, an axial fan and an electric heating device are installed in the assembly frame body, and the electric heating device is arranged at an upwind position of the axial fan.

The utility model has the advantages as follows:

the utility model relates to a shell structure of multi-functional electric heater, its simple structure, assembly method are reasonable, can improve the installation effectiveness, adopt hem method and shell body coupling can directly save connection structure, both can guarantee that the outer buckle of metal can cover the laminating at the outer terminal surface of shell body, make the surface of the host computer body smooth and level, firm in connection moreover, structural integrity is good.

Drawings

Fig. 1 is a schematic view of an exploded structure of the present invention.

Fig. 2 is an enlarged schematic view of a1 point in fig. 1.

Fig. 3 is a schematic diagram of the local enlarged structure of the present invention.

Fig. 4 is a schematic diagram of an exploded structure of the present invention.

Fig. 5 is a schematic view of the exploded structure of the front housing and the rear housing of the present invention.

Fig. 6 is a partial exploded view of the front housing and the rear housing according to the present invention.

Fig. 7 is an exploded view of the seam panel and the main body according to the present invention.

Fig. 8 is a schematic diagram of the structure of the limiting jack of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 1 to 8, the shell structure of the multifunctional electric heater comprises a main machine body 1, wherein an installation cavity 3 used for accommodating a hot air assembly 2 is arranged in the main machine body 1, the main machine body 1 comprises an outer shell 4 used for limiting at least one part of the installation cavity 3, the outer shell 4 is connected with the main machine body 1 in a separating mode, a metal outer buckle plate 5 is arranged on the outer surface of the outer shell 4, a long folding edge 6 extending into the installation cavity 3 is arranged on the edge of the metal outer buckle plate 5, and the metal outer buckle plate 5 is bent and reversely buckled on the inner end face of the outer shell 4 through the long folding edge 6 so as to be connected with the outer shell 4.

The structure can improve the installation efficiency, the connection structure can be directly saved by adopting the edge folding method to connect with the outer shell, and the metal outer buckle plate can be ensured to cover and attach on the outer end surface of the outer shell, so that the outer surface of the host machine body is smooth and flat, the connection is firm, and the structural integrity is good.

The metal external buckle plate 5 is characterized in that the four peripheral edges of the metal external buckle plate 5 are provided with inward bent flanging parts 51, the upper end part and the lower end part of the outer shell 4 are both provided with level difference step surfaces 61, the inner walls of the flanging parts 51 are pressed against the level difference step surfaces 61 and the end surfaces of the two sides of the outer shell 4 and are clamped and connected with the level difference step surfaces 61 and the end surfaces of the two sides of the outer shell 4, the flanging parts 51 of the side edges extend to form a plurality of long folding edges 6 and short folding edges 7, and the flanging parts 51 of the;

can be when beginning the assembly through turn-ups 51, carry out preliminary spacing to metal external buckle 5, because shell body 4 adopts the arc structure, correspondingly metal external buckle 5 adopt convex structure equally, when the assembly, the turn-ups 51 of metal external buckle 5 lateral part can the left-hand thread in the side end face of shell body 4, make metal external buckle 5 can laminate at the outer terminal surface of shell body 4, and the turn-ups 51 of top edge and lower border can realize spacing from top to bottom, restriction metal external buckle 5 upwards slides the aversion or slides the aversion downwards, do not have great exogenic action, metal external buckle 5 can be hung on shell body 4, then in the subsequent transfer technology, the workman buckles long hem 6 through the finger or borrows the instrument outward, make metal external buckle 5 can be fixed completely.

An inner lining plate 8 used for being connected with the main body 1 extends longitudinally from the inner end face of the outer shell 4, a side concave opening 81 is formed in the long folding edge 6, corresponding to the side edge of the metal outer buckle plate 5, of the inner lining plate 8, a top concave opening 41 is formed in the long folding edge 6, corresponding to the upper edge, of the outer shell 4, a folding edge inserting opening 42 is formed in the long folding edge 6, corresponding to the lower edge, of the outer shell 4, and the long folding edge 6 extends into the mounting cavity 3 through the side concave opening 81, the top concave opening 41 and the folding edge inserting opening 42 and is reversely buckled on the inner lining plate 8 and the inner end face of the outer shell 4 through the long; form clearance fit between sunken mouthful and long hem 6, can realize limiting displacement through sunken mouthful.

The short folding edges 7 and the long folding edges 6 of the metal external buckle plate 5 are staggered and distributed on the flanging parts 51 at the side edges at intervals, and the short folding edges 7 are bent and reversely buckled on the inner end surface of the external shell 4; the number of the sunken openings can be reduced through the short folding edges 7, so that the positions of the metal external buckle plate 5 connected with the outer shell 5 are more uniformly distributed, the metal external buckle plate 5 can be attached to the outer shell 5, and the phenomenon of local peeling is prevented.

The outer shell 4 comprises a front shell 9 and a rear shell 10, the outer surfaces of the front shell 9 and the rear shell 10 are respectively connected with a metal outer buckle plate 5 which is matched with the radian of the outer surfaces of the front shell 9 and the rear shell 10, a first inner lining plate 801 extends from the inner end surface of the front shell 9, a second inner lining plate 802 connected with the first inner lining plate 801 extends from the inner end surface of the rear shell 10, and the front shell 9 and the rear shell 10 are connected through the first inner lining plate 801 and the second inner lining plate 802 to form the installation cavity 3.

A plurality of inner lining plate reverse-buckling blocks 811 extend from the first inner lining plate 801 to the direction of the second inner lining plate 802, a first reverse-buckling hole 821 is formed in the second inner lining plate 802 corresponding to the reverse-buckling part of the inner lining plate reverse-buckling blocks 811, and the first inner lining plate 801 and the second inner lining plate 802 are matched with the first reverse-buckling hole 821 through the inner lining plate reverse-buckling blocks 811 to realize buckling connection; the first lining plate 801 is primarily connected and fixed to the second lining plate 802 by the fastening structure.

The inner end surface of the second inner lining plate 802 is provided with a plurality of guide rail sliding grooves 822 extending towards the first inner lining plate 801, the first inner lining plate 801 extends along the outer wall surface of the guide rail sliding grooves 822 to form connecting lugs 812, and the second inner lining plate 802 is provided with positioning openings 823 matched with the connecting lugs 812, so that the first connecting holes 813 can be aligned to the middle through holes 824, and the assembly is convenient;

the connecting lug 812 is provided with a first connecting hole 813, the wall of the guide rail sliding groove 822 is provided with a middle through hole 824 corresponding to the first connecting hole 813, the guide rail sliding groove 822 is internally provided with a nut sliding block 83 in a sliding manner, the nut sliding block 83 is provided with a second connecting hole 831 corresponding to the middle through hole 824, and the first inner lining plate 801 and the second inner lining plate 802 sequentially penetrate through the first connecting hole 813, the middle through hole 824 and the second connecting hole 831 through a fastener A to realize fixed connection; when the fastener a is a bolt, the nut slider 83 is used as a fixed nut, and the second connecting hole 831 is internally provided with an internal thread, and after connection, the groove wall of the guide rail sliding groove 822 is clamped between the nut slider 83 and the connecting lug 812.

A front sliding limiting convex rib 825 matched with one end face of the nut sliding block 83 extends from the inner wall surface of the guide rail sliding groove 822, and a rear sliding limiting convex rib 814 matched with the other end face of the nut sliding block 83 extends from the first inner lining plate 801; in the assembling process, after the nut slider 83 is placed into the guide rail sliding groove 822, the front limit sliding convex rib 825 can limit the sliding depth of the nut slider 83, so that the second connecting hole 831 is just arranged corresponding to the middle through hole 824, then the rear limit sliding convex rib 814 prevents the nut slider 83 from falling off from the guide rail sliding groove 822, the left and right directions of the nut slider 83 are limited by the front limit sliding convex rib 825 and the rear limit sliding convex rib 814, and the second connecting hole 831 can be ensured to be aligned to the middle through hole 824.

The main body 1 further comprises a top cover 11, the top cover 11 is mounted on the top of the front shell 9 and the top of the rear shell 10, a seam panel 12 is mounted between the front shell 9 and the rear shell 10 corresponding to two seams of the first inner lining plate 801 and the second inner lining plate 802, and two metal external buckle plates 5 are in smooth transition through the two seam panels 12; seam panel 12 can shelter from the seam department between first interior welt 801 and the interior welt 802 of second, makes the electric heater outward appearance compacter pleasing to the eye, makes the electric heater form columniform surface through two metal external gusset plates 5 and two seam panels 12.

A limiting bump 121 extends from the top of the joint panel 12, a limiting jack 111 is formed in the top cover 11 corresponding to the limiting bump 121, a plurality of panel reversing blocks 122 symmetrically extend from the inner end surface of the joint panel 12, second reversing holes 803 are formed in the first lining plate 801 and the second lining plate 802 corresponding to the panel reversing blocks 122, the panel reversing block 122 on one side of the joint panel 12 is in buckling fit with the second reversing hole 803 of the first lining plate 801, and the panel reversing block 122 on the other side of the joint panel 12 is in buckling fit with the second reversing hole 803 of the second lining plate 802;

with the above structure, when the joint panel 12 is assembled, the end of the joint panel 12 extending to the limiting projection 121 is inserted into the limiting insertion hole 111 of the top cover, and one end of the joint panel 12 is fixed, and then the other end of the joint panel 12 is pressed to the second reversing hole 803, so that the panel reversing block 122 is buckled into the second reversing hole 803 to complete the installation of the joint panel 12.

The front shell 9 is provided with an air outlet 9a corresponding to the air exhaust end 2a of the hot air assembly 2, the rear shell 10 is provided with an air inlet 10a corresponding to the air inlet end 2b of the hot air assembly 2, a hot air channel is formed between the air inlet 10a and the air outlet 9a, the metal external buckle 5 corresponding to the front shell 9 is provided with a plurality of air outlet holes 5a communicated with the air outlet 9a, and the metal external buckle 5 corresponding to the rear shell 10 is provided with a plurality of air inlet holes 5b communicated with the air inlet 10 a; the air outlet 9a and the air inlet 10a are arranged oppositely, so that air can pass through the main body 1 linearly, resistance is reduced, air outlet efficiency is improved, and in addition, the metal external buckle 5 is correspondingly provided with the air outlet 5a and the air inlet 5b, so that the air inlet and outlet efficiency is ensured on the basis of shielding the air outlet 9a and the air inlet 10 a.

The hot air assembly 2 comprises an assembly frame 201, an axial fan 202 and an electric heating device 203 are installed in the assembly frame 201, and the electric heating device 203 is arranged at the upwind position of the axial fan 202; make the electric heater can realize the side direction air-out, simple structure, convenient assembling is swift.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a shell structure of multi-functional electric heater, includes the host computer body (1), is equipped with installation cavity (3) that are used for holding hot-blast assembly (2) in the host computer body (1), the host computer body (1) is including being used for injecing at least partly shell body (4) of installation cavity (3), and shell body (4) are connected its characterized in that with host computer body (1) disconnect-type: the outer surface of the outer shell (4) is provided with a metal outer buckle plate (5), a long folding edge (6) extending into the installation cavity (3) is arranged on the edge of the metal outer buckle plate (5), and the metal outer buckle plate (5) is bent and reversely buckled on the inner end face of the outer shell (4) through the long folding edge (6) so as to be connected with the outer shell (4).

2. The shell structure of a multifunctional electric heater as claimed in claim 1, wherein: the edge flanging part (51) which is bent inwards is arranged on the periphery of the metal external buckle plate (5), the upper end part and the lower end part of the outer shell (4) are respectively provided with a step difference step surface (61), the inner wall of the edge flanging part (51) is pressed on the step difference step surface (61) and the end surfaces of the two sides of the outer shell (4) and is clamped with the step difference step surface, the edge flanging part (51) on the side edge extends to form a plurality of long folding edges (6) and short folding edges (7), and the edge flanging part (51) on the upper edge and the lower edge only extends to form a long folding edge (6).

3. The shell structure of a multifunctional electric heater as claimed in claim 2, wherein: the utility model discloses a mounting structure, including the installation cavity (3), the interior terminal surface of shell body (4) vertically extends has interior welt (8) that are used for being connected with the main engine body (1), and interior welt (8) are equipped with lateral part sunken mouth (81) corresponding long hem (6) on metal exterior buckle board (5) side border, and long hem (6) that shell body (4) correspond the border are equipped with top sunken mouth (41), and long hem (6) that shell body (4) correspond the border down are equipped with hem inserted hole (42), long hem (6) extend into in installation cavity (3) and through buckling long hem (6) back-off on the interior terminal surface of interior welt (8) and shell body (4) through lateral part sunken mouth (81), top sunken mouth (41) and hem inserted hole (42).

4. The shell structure of a multifunctional electric heater as claimed in claim 2, wherein: the short folding edges (7) and the long folding edges (6) of the metal external buckle plate (5) are staggered and distributed on the flanging parts (51) at the side edges at intervals, and the short folding edges (7) are bent and reversely buckled on the inner end surface of the outer shell (4).

5. The shell structure of a multifunctional electric heater as claimed in claim 3, wherein: the outer shell (4) comprises a front shell (9) and a rear shell (10), the outer surfaces of the front shell (9) and the rear shell (10) are connected with metal outer buckle plates (5) which are matched with the outer surface radians of the front shell and the rear shell, a first inner lining plate (801) extends from the inner end face of the front shell (9), a second inner lining plate (802) connected with the first inner lining plate (801) extends from the inner end face of the rear shell (10), and the front shell (9) and the rear shell (10) are connected through the first inner lining plate (801) and the second inner lining plate (802) to form an installation cavity (3).

6. The shell structure of a multifunctional electric heater as claimed in claim 5, wherein: the first inner lining plate (801) extends towards the second inner lining plate (802) to form a plurality of inner lining plate reverse-buckling blocks (811), the second inner lining plate (802) is provided with first reverse-buckling holes (821) corresponding to the reverse-buckling parts of the inner lining plate reverse-buckling blocks (811), and the first inner lining plate (801) and the second inner lining plate (802) are matched with the first reverse-buckling holes (821) through the inner lining plate reverse-buckling blocks (811) to realize buckling connection.

7. The shell structure of a multifunctional electric heater as claimed in claim 1, wherein: a plurality of guide rail sliding grooves (822) extending towards the first inner lining plate (801) are formed in the inner end face of the second inner lining plate (802), connecting lugs (812) extend from the first inner lining plate (801) along the outer wall face of the guide rail sliding grooves (822), and positioning openings (823) matched with the connecting lugs (812) are formed in the second inner lining plate (802);

a first connecting hole (813) is formed in each connecting lug (812), a middle through hole (824) is formed in the groove wall of each guide rail sliding groove (822) corresponding to the first connecting hole (813), a nut sliding block (83) is arranged in each guide rail sliding groove (822) in a sliding mode, a second connecting hole (831) is formed in each nut sliding block (83) corresponding to the middle through hole (824), and the first lining plate (801) and the second lining plate (802) sequentially penetrate through the first connecting hole (813), the middle through hole (824) and the second connecting hole (831) through fasteners (A) to achieve fixed connection;

a front sliding limiting convex rib (825) matched with one end face of the nut sliding block (83) extends from the inner wall face of the guide rail sliding groove (822), and a rear sliding limiting convex rib (814) matched with the other end face of the nut sliding block (83) extends from the first lining plate (801).

8. The shell structure of a multifunctional electric heater as claimed in claim 5, wherein: the main machine body (1) further comprises a top cover (11), the top cover (11) is installed at the top of the front shell (9) and the top of the rear shell (10), a seam panel (12) is installed between the front shell (9) and the rear shell (10) and corresponds to two seams of the first inner lining plate (801) and the second inner lining plate (802), and two metal outer buckling plates (5) are in smooth transition through the two seam panels (12);

the top of seam panel (12) extends and has spacing lug (121), top cap (11) correspond spacing lug (121) and set up spacing jack (111), the interior terminal surface symmetry of seam panel (12) extends and has a plurality of panel back-off pieces (122), first interior bushing plate (801) and second interior bushing plate (802) correspond panel back-off piece (122) and have all seted up second back-off hole (803), the lock joint cooperation is realized with second back-off hole (803) of first interior bushing plate (801) in panel back-off piece (122) of seam panel (12) one side, the lock joint cooperation is realized with second back-off hole (803) of second interior bushing plate (802) in panel back-off piece (122) of seam panel (12) opposite side.

9. The shell structure of a multifunctional electric heater as claimed in claim 5, wherein: the hot-blast air conditioner is characterized in that the front shell (9) corresponds to an air exhaust end (2a) of the hot-blast assembly (2) and is provided with an air outlet (9a), the rear shell (10) corresponds to an air inlet end (2b) of the hot-blast assembly (2) and is provided with an air inlet (10a), a hot air channel is formed between the air inlet (10a) and the air outlet (9a), an air outlet (5a) of a plurality of communicated air outlets (9a) is formed in a metal external buckle plate (5) corresponding to the front shell (9), and an air inlet (5b) of a plurality of communicated air inlets (10a) is formed in the metal external buckle plate (5) corresponding to the rear shell.

10. The shell structure of a multifunctional electric heater as claimed in claim 1, wherein: the hot air assembly (2) comprises an assembly frame body (201), an axial fan (202) and an electric heating device (203) are installed in the assembly frame body (201), and the electric heating device (203) is arranged at an upwind position of the axial fan (202).