CN222598026U - Combined electric heating device - Google Patents

Abstract

The utility model discloses a combined electric heating device which comprises heating structures which are sequentially stacked, wherein heating core pieces are fixed between adjacent heating structures, each heating structure comprises a heating bottom shell, a heating surface cover, a sealing gasket, a locking bolt and a connecting bolt, heating concave cavities are formed in the top surface of the heating bottom shell and the bottom surface of the heating surface cover, water inlet and outlet ports communicated with the heating concave cavities are fixed at the end parts of the heating bottom shell and the heating surface cover, connecting hole sites are formed in connecting convex blocks, and the heating core pieces are positioned between the adjacent heating structures, so that heat absorptivity is greatly improved. The utility model has reasonable structure arrangement, can be combined into a whole heating channel, is convenient for disassembly and assembly to overhaul and maintain the inside of the heating channel, greatly improves the surface treatment selectivity and the quality detection convenience and accuracy of the inside of the heating channel, satisfies the requirement that different numbers of heating structures are connected and used into a whole, is convenient for automatic mass production due to the uniformity of the heating structures, and is beneficial to improving the production efficiency.

Description

Combined electric heating device

Technical Field

The utility model belongs to the technical field of electric heating, and particularly relates to a combined electric heating device.

Background

When heating liquid, need use corresponding heating device to heat, the heating of prior art is cast or integral structures such as coil pipe more, and although it can satisfy the user demand of general condition, it appears blocking or scale deposit easily when using, it is unfavorable for dredging and maintaining, simultaneously also be unfavorable for heating chip's change and maintenance operation, the standardization of inner structure is difficult to detect, surface treatment such as difficult to accomplish inside anticorrosive heat conduction has reduced life, can increase maintenance cost to a certain extent, also can't carry out coincide as required simultaneously and assemble, also can influence its application scope to a certain extent, the practicality is limited.

Disclosure of Invention

The utility model aims to provide a combined type electric heating device which is reasonable in structural arrangement and favorable for assembly and combination.

The technical scheme for achieving the purpose of the utility model is that the combined electric heating device comprises a plurality of heating structures which are stacked in sequence, wherein a heating core piece is fixed between every two adjacent heating structures, and each heating structure comprises a heating bottom shell, a heating surface cover, a sealing gasket, a plurality of locking bolts and a plurality of connecting bolts;

The top surface of the heating bottom shell and the bottom surface of the heating surface cover are both provided with heating concave cavities, and the ends of the heating bottom shell and the heating surface cover are fixed with water inlets and water outlets communicated with the heating concave cavities;

The edges of the heating bottom shell and the heating surface cover are uniformly provided with matched locking hole sites;

The edges of the heating bottom shell and the heating surface cover are provided with matched connecting convex blocks, and connecting hole sites are arranged on the connecting convex blocks;

The heating bottom shell is covered with the heating surface cover, the locking bolt penetrates through the locking hole site and is locked and fixed, and the sealing gasket is positioned at the joint of the heating bottom shell and the heating surface cover;

adjacent heating structures are stacked, and the connecting bolts penetrate through the connecting hole sites and are locked and fixed.

It is further preferable that the outer surfaces of the heating bottom shell and the heating surface cover are respectively fixed with a plurality of parallel heat conducting convex strips;

the heating core piece is positioned between the adjacent heat conducting convex strips.

It is further preferable that the inner surfaces of the heating bottom shell and the heating surface cover are provided with a plurality of heat conduction protruding pieces for increasing heat conduction contact area;

The heat conduction lugs are arranged in parallel, and the end parts of the heat conduction lugs extend to the edge of the water inlet and the water outlet.

It is further preferable that one end of the water inlet and outlet is provided with a convex ring, and the other end of the water inlet and outlet is provided with a concave area;

The adjacent heating structures are overlapped, and the convex ring of one heating structure is clamped into the concave region of the other heating structure.

It is further preferable that an annular sealing groove is arranged on the outer wall of the protruding ring, and a sealing rubber ring is arranged in the annular sealing groove;

The convex ring of one heating structure is sealed and attached to the inner wall of the concave area of the other heating structure through a sealing rubber ring for sealing connection.

It is further preferred that the number of heating structures is greater than two.

It is further preferable that the heating bottom shell and the heating surface cover are both metal structures.

The utility model has the advantages that the structure is reasonable, the edges of the heating bottom shell and the heating surface cover are uniformly provided with the matched locking hole sites, the locking bolts and the sealing gaskets are matched, the whole heating channel can be formed by combining, the disassembly and the assembly are convenient, the overhaul and the maintenance operations are convenient to carry out on the inside of the heating channel, meanwhile, the edges of the heating bottom shell and the heating surface cover are provided with the connecting hole sites, the plurality of heating structures can be stacked and fixedly connected by matching with the connecting bolts, the surface treatment selectivity and the quality detection convenience and accuracy of the inside of the heating channel are greatly improved, the heating structures with different numbers can be connected into a whole, the heating core pieces are matched between the adjacent heating structures, the heat absorption rate is greatly improved, the heating efficiency and the heating uniformity are improved, the heating core pieces are convenient to replace, and the automation mass production is convenient due to the uniformity of the heating structures, the improvement of the production efficiency is facilitated, the applicability is strong, and the practicability is good.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a split structure of the present utility model;

fig. 3 is a schematic view of the structure shown in section A-A in fig. 1.

The heating structure 1, the heating bottom shell 11, the heating surface cover 12, the sealing gasket 13, the locking bolt 14, the connecting bolt 15, the heating core 2, the heating concave cavity 3, the water inlet and outlet 4, the locking hole position 5, the connecting lug 6, the connecting hole position 7, the heat conducting convex strip 8, the heat conducting lug 9, the convex ring 10, the concave region 16, the annular sealing groove 17 and the sealing rubber ring 18.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 3, a combined electric heating device comprises a plurality of heating structures 1 stacked in sequence, wherein heating core pieces 2 are fixed between adjacent heating structures, and in this embodiment, the number of the heating structures is greater than two. The heating bottom shell and the heating surface cover are both metal structures. The heating core piece is of a conventional structure in the prior art, can be an electric heating tube, an electric heating block and the like, is simply applied, and meanwhile, the number of the heating structures can be stacked and fixed according to the needs.

In the practical application process, the heating structure comprises a heating bottom shell 11, a heating surface cover 12, a sealing gasket 13, a plurality of locking bolts 14 and a plurality of connecting bolts 15, wherein heating concave cavities 3 are formed in the top surface of the heating bottom shell and the bottom surface of the heating surface cover, water inlet and outlet ports 4 communicated with the heating concave cavities are fixed at the end parts of the heating bottom shell and the heating surface cover, meanwhile, matched locking hole sites 5 are uniformly formed in the edges of the heating bottom shell and the heating surface cover, matched connecting protruding blocks 6 are arranged on the edges of the heating bottom shell and the heating surface cover, connecting hole sites 7 are formed in the connecting protruding blocks, when the heating bottom shell and the heating surface cover are pressed, the locking bolts penetrate through the locking hole sites and are locked and fixed, the sealing gasket is located at the joint of the heating bottom shell and the heating surface cover, adjacent heating structures are stacked, and the connecting bolts penetrate through the connecting hole sites and are locked and fixed. The connecting hole sites are mainly used for fixing adjacent heating structures when being stacked, and the use stability and reliability of the heating core pieces of the adjacent heating structures can be ensured through the connecting bolts.

In the practical application process, the outer surfaces of the heating bottom shell and the heating surface cover are respectively fixed with a plurality of parallel heat conducting raised strips 8, and the heating core piece is positioned between the adjacent heat conducting raised strips. The heat conducting raised strips are arranged, so that the contact area with the heating core piece can be increased, and the heat conducting efficiency is improved.

Meanwhile, in the practical application process, a plurality of heat conduction lugs 9 for increasing the heat conduction contact area are arranged on the inner surfaces of the heating bottom shell and the heating surface cover, and the heat conduction lugs are arranged in parallel and extend to the edge of the water inlet and outlet. Through above-mentioned structure, mainly increase the heating structure inside and by the area of contact of heating liquid through the heat conduction sand grip, improve the efficiency of heat conduction heating.

In the practical application process, in order to improve the water inlet and outlet tightness and effectiveness of the adjacent heating structures, one end of the water inlet and outlet is provided with a convex ring 10, the other end of the water inlet and outlet is provided with a concave region 16, and when the water inlet and outlet is installed, the adjacent heating structures are overlapped, and the convex ring of one heating structure is clamped into the concave region of the other heating structure. Meanwhile, an annular sealing groove 17 is formed in the outer wall of the protruding ring, a sealing rubber ring 18 is arranged in the annular sealing groove, and the protruding ring of one heating structure is in sealing connection with the inner wall of the concave area of the other heating structure through sealing rubber rings in a sealing fit mode. Through protruding ring cooperation sunk area and sealing rubber circle, can guarantee the validity and the leakproofness that the water inlet outlet connects.

The utility model has the advantages that the structure is reasonable, the edges of the heating bottom shell and the heating surface cover are uniformly provided with the matched locking hole sites, the locking bolts and the sealing gaskets are matched, the whole heating channel can be formed by combining, the disassembly and the assembly are convenient, the overhaul and the maintenance operations are convenient to carry out on the inside of the heating channel, meanwhile, the edges of the heating bottom shell and the heating surface cover are provided with the connecting hole sites, the plurality of heating structures can be stacked and fixedly connected by matching with the connecting bolts, the surface treatment selectivity and the quality detection convenience and accuracy of the inside of the heating channel are greatly improved, the heating structures with different numbers can be connected into a whole, the heating core pieces are matched between the adjacent heating structures, the heat absorption rate is greatly improved, the heating efficiency and the heating uniformity are improved, the heating core pieces are convenient to replace, and the automation mass production is convenient due to the uniformity of the heating structures, the improvement of the production efficiency is facilitated, the applicability is strong, and the practicability is good.

The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims (7)

1. The combined electric heating device comprises a plurality of heating structures which are sequentially stacked, and a heating core piece is fixed between every two adjacent heating structures, and is characterized in that each heating structure comprises a heating bottom shell, a heating surface cover, a sealing gasket, a plurality of locking bolts and a plurality of connecting bolts;

The top surface of the heating bottom shell and the bottom surface of the heating surface cover are both provided with heating concave cavities, and the ends of the heating bottom shell and the heating surface cover are fixed with water inlets and water outlets communicated with the heating concave cavities;

The edges of the heating bottom shell and the heating surface cover are uniformly provided with matched locking hole sites;

The edges of the heating bottom shell and the heating surface cover are provided with matched connecting convex blocks, and connecting hole sites are arranged on the connecting convex blocks;

The heating bottom shell is covered with the heating surface cover, the locking bolt penetrates through the locking hole site and is locked and fixed, and the sealing gasket is positioned at the joint of the heating bottom shell and the heating surface cover;

adjacent heating structures are stacked, and the connecting bolts penetrate through the connecting hole sites and are locked and fixed.

2. The combined electric heating device of claim 1, wherein a plurality of parallel heat conducting raised strips are fixed on the outer surfaces of the heating bottom shell and the heating surface cover;

the heating core piece is positioned between the adjacent heat conducting convex strips.

3. The combined electric heating device of claim 2, wherein the inner surfaces of the heating bottom shell and the heating surface cover are provided with a plurality of heat conduction lugs for increasing heat conduction contact area;

The heat conduction lugs are arranged in parallel, and the end parts of the heat conduction lugs extend to the edge of the water inlet and the water outlet.

4. The combined electric heating device of claim 1, wherein one end of the water inlet and the water outlet is provided with a convex ring, and the other end of the water inlet and the water outlet is provided with a concave area;

The adjacent heating structures are overlapped, and the convex ring of one heating structure is clamped into the concave region of the other heating structure.

5. The combined type electric heating device of claim 4, wherein an annular sealing groove is formed in the outer wall of the protruding ring, and a sealing rubber ring is arranged in the annular sealing groove;

The convex ring of one heating structure is sealed and attached to the inner wall of the concave area of the other heating structure through a sealing rubber ring for sealing connection.

6. A combined electric heating device as set forth in claim 1 wherein the number of heating structures is greater than two.

7. The device of claim 1, wherein the heating bottom shell and the heating surface cover are both metal structures.