CN218523990U - Water heating pipe structure - Google Patents

Abstract

The utility model relates to a water heating pipe structure, its characteristics lie in including metal outer tube, heating pipe, velocity reduction structure, and wherein the metal outer tube suit is formed with the rivers passageway between the outer peripheral surface of heating pipe and the interior circumference surface of metal outer tube on the heating pipe, the velocity reduction structure sets up in the rivers passageway, the metal outer tube is crooked into helical structure jointly with the heating pipe. The utility model has the advantages of less heat loss, little external influence, high heating quality, low use cost, high reliability, compact structure, strong applicability and the like.

Description

Water heating pipe structure

Technical Field

The utility model relates to a water heater field, especially a water heating pipe structure.

Background

At present, heating pipes applied to water heaters mostly adopt a structure that a metal water guide pipe is coated with a heating film. When the heating film works, part of heat generated by the heating film is transferred to the metal pipe to heat water inside the metal water guide pipe, and the other part of heat is transferred to the surrounding space. This not only results in significant heat loss, but also tends to result in excessive outside temperatures which can affect the life of the electrical components in the water heater.

Meanwhile, the existing heating pipe adopts a straight pipe structure and is limited by the internal space of the water heater, and the length of the heating pipe can only be made to be shorter, so that a flow passage in the heating pipe is shorter, the time for water to exchange heat is shorter, and the situation of insufficient heating is easy to occur. Although the heating quality of water can be improved by increasing the amount of heat generated by the heat generating film, this may result in excessive consumption of electric energy, which may easily result in higher costs for use.

Therefore, it is necessary to redesign the structure of the water heating pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem and not enough, provide a water heating pipe structure, this water heating pipe structure has that the heat runs off few, external influence is little, heating quality is high, use cost is low, the reliability is high, compact structure, suitability advantage such as strong.

The technical scheme of the utility model is realized like this:

a water heating pipe structure is characterized by comprising a metal outer pipe, a heating pipe and a flow reducing structure, wherein the metal outer pipe is sleeved on the heating pipe, a water flow channel is formed between the outer circumferential surface of the heating pipe and the inner circumferential surface of the metal outer pipe, the flow reducing structure is arranged in the water flow channel, and the metal outer pipe and the heating pipe are jointly bent into a spiral structure.

Preferably, the end of the metal outer pipe is hermetically provided with a water guide sleeve, the water guide sleeve is hermetically arranged on the end of the heating pipe, and the water guide sleeve is provided with a water guide port which is communicated with the water flow channel.

Preferably, the water guide sleeve comprises a sleeve part and a conduit part, one end of the conduit part is connected to the outer circumferential surface of the sleeve part and enables the conduit part and the sleeve part to be in butt communication, an inner hole of the conduit part forms a water guide port, and the sleeve part is simultaneously sealed and sleeved on the end parts of the heating pipe and the metal outer pipe.

Preferably, the inner hole of the sleeve part comprises a large hole section and a small hole section, the water guide port is in butt joint communication with the large hole section, the large hole section is hermetically sleeved on the end part of the metal outer pipe, and the small hole section is hermetically sleeved on the end part of the heating pipe.

Preferably, the sleeve portion comprises a large pipe portion and a small pipe portion, the large pipe portion is in butt communication with the small pipe portion, an inner hole of the large pipe portion forms a large hole section, an inner hole of the small pipe portion forms a small hole section, and one end of the conduit portion is connected to the large pipe portion.

Preferably, the shortest distance X between the outer circumferential surface of the heating pipe and the inner circumferential surface of the metal outer pipe is 0.1-1 cm.

Preferably, the water guide sleeve is of a flexible pipe body structure.

Preferably, the water guide sleeve on the end of the metal outer pipe is sleeved with a bundling piece.

Preferably, the flow reducing structure is a flow restricting spring fitted around the heating pipe or a protrusion provided on an inner circumferential surface of the metal outer pipe.

Preferably, the water guide sleeve is of a silica gel pipe body structure.

The utility model has the advantages that: the water heating pipe structure comprises a metal outer pipe, a heating pipe and a flow reducing structure, wherein the flow reducing structure is positioned in a water flow channel between the metal outer pipe and the heating pipe. Enable the heating pipe like this and be in the metal outer tube, and can not only play the effect of velocity of flow reduction through velocity of flow reduction structure, can also avoid metal outer tube and heating pipe direct contact. When the heating pipe during operation, the heat that its produced is in transferring to rivers passageway all around, and this can not only the thermal loss that significantly reduces, can also avoid the outer wall high temperature of water heating pipe structure, and this can greatly reduced is very little to electronic component life's in the water heater influence, this water heating pipe structure is external.

By bending the metal outer tube together with the heating tube into a spiral configuration. Enable water heating pipe structure like this and have compact structure, this water heating pipe structure is not limited by hydrophone length space not enough, can be convenient for increase the length of metal outer tube in little width space, thereby just the length of increase rivers passageway just can be convenient for, in addition the velocity reduction structure can play the dwell time who slows down water in rivers passageway, and then just can prolong water greatly and carry out the time of heat exchange, so that hydroenergy can obtain abundant heating, this quality that just can improve water heating greatly, this water heating pipe structure's reliability is very high. In addition, the heating quantity of the heating pipe does not need to be excessively increased, and the overlarge power consumption can be avoided, so that the use cost can be reduced, and the applicability of the water heating pipe structure is very strong.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the reclaimed water heating pipe structure of the present invention.

Fig. 2 is a schematic sectional structural view of the reclaimed water heating pipe structure of the present invention.

Fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to the present invention.

Fig. 4 is a schematic view of the split structure of the reclaimed water heating pipe structure of the present invention.

Fig. 5 is an enlarged schematic structural view of a portion B in fig. 4 according to the present invention.

Fig. 6 is a schematic sectional view of the water guide sleeve of the present invention.

Fig. 7 is a schematic view of a three-dimensional structure of the U-shaped water heating pipe structure of the present invention.

Detailed Description

As shown in fig. 1 to 5, a water heating pipe structure, including metal outer pipe 1, heating pipe 2, velocity reduction structure 3, wherein metal outer pipe 1 suit is formed with rivers passageway 10 on heating pipe 2 between the outer circumferential surface of heating pipe 2 and the inner circumferential surface of metal outer pipe 1, velocity reduction structure 3 sets up in rivers passageway 10, metal outer pipe 1 bends into helical structure 20 with heating pipe 2 jointly.

The water heating pipe structure comprises a metal outer pipe 1, a heating pipe 2 and a flow reducing structure 3, wherein the flow reducing structure 3 is positioned in a water flow channel 10 between the metal outer pipe 1 and the heating pipe 2. Enable heating pipe 2 like this and be in metal outer tube 1, and can not only play the effect of velocity of flow reduction through velocity of flow reduction structure 3, can also avoid metal outer tube 1 and heating pipe 2 direct contact. When the heating pipe 2 works, the heat generated by the heating pipe is transferred to the water flow channels 10 around, so that the heat loss can be greatly reduced, the overhigh temperature of the outer wall of the water heating pipe structure can be avoided, the influence on the service life of electronic elements in the water heater can be greatly reduced, and the external influence of the water heating pipe structure is very small.

By bending the metal outer tube 1 together with the heating tube 2 into a helical structure 20. Enable water heating pipe structure like this and have compact structure, this water heating pipe structure is not limited by hydrophone length space not enough, can be convenient for increase the length of metal outer tube 1 in little width space, thereby just the length of increase rivers passageway 10, in addition, flow reduction rate structure 3 can play the dwell time who slows down water in rivers passageway 10, and then just can prolong the time that water carries out the heat exchange greatly, so that hydroenergy can obtain abundant heating, this quality that just can improve water heating greatly, this water heating pipe structure's reliability is very high. In addition, the heating value of the heating pipe 2 does not need to be excessively increased, and the overlarge electric energy consumption can be avoided, so that the use cost can be reduced, and the applicability of the water heating pipe structure is very strong.

As shown in fig. 1, 2 and 4, the two ends of the metal outer tube 1 are oriented in the same direction. Just so can make the both ends orientation of heating pipe 2 the same, this wire guide 21 that enables the heating pipe 2 both ends lies in same one side to just can conveniently be at wire guide 21 last connecting wire, this can make things convenient for arranging of wire, and then help improving the convenience of equipment.

As shown in fig. 1, 2 and 4, the two ends of the metal outer tube 1 are in a straight tube structure, and the two ends of the metal outer tube 1 are parallel to each other. Therefore, the water heating pipe structure has a very compact structure, and the application range of the water heating pipe structure is favorably widened.

As shown in fig. 1 to 4, the end of the metal outer tube 1 is hermetically sealed with a water guide sleeve 4, the water guide sleeve 4 is hermetically sleeved on the end of the heating tube 2, the water guide sleeve 4 is provided with a water guide port 41, and the water guide port 41 is communicated with the water flow channel 10. Therefore, the end part of the water heating pipe structure can be conveniently sealed, and water can be conveniently input/output, so that the using requirement can be well met. And in this way, complicated drilling and welding operations are not needed, which is beneficial to improving the production efficiency and reducing the production cost. After the water heating pipe is not needed to be welded, the characteristic metallographic structure of the metal outer pipe 1 cannot be changed, so that the anti-rust characteristic of the metal outer pipe 1 can be prevented from being changed, the situation of rusting cannot occur under the long-term use, the high sanitation can be kept for a long time, the use safety can be guaranteed, the leakage caused by rusting cannot occur, and the water heating pipe can be guaranteed to have very high reliability. The water guide sleeve 4 is mounted on the end parts of the heating pipe 2 and the metal outer pipe 1 in a sleeved mounting mode. Can be convenient for adjust the orientation of leading mouth of a river 41 like this to can adjust the orientation according to the built-in overall arrangement when using, this convenience that can not only improve the equipment can also reduce the degree of difficulty of upgrading maintenance.

As shown in fig. 1, 2 and 4, two ends of the heating pipe 2 respectively penetrate through two ends of the metal outer pipe 1, two water guide sleeves 4 are respectively hermetically sealed at two ends of the metal outer pipe 1, and the two water guide sleeves 4 are respectively hermetically sealed at corresponding end portions of the heating pipe 2. The two water guide sleeves 4 respectively form the input end and the output end of the water heating pipe, so that the reliable and applicable water heating pipe can be formed.

As shown in fig. 1 to 4 and 6, the water guide sleeve 4 includes a sleeve portion 42 and a conduit portion 43, one end of the conduit portion 43 is connected to the outer circumferential surface of the sleeve portion 42, and the conduit portion 43 is in butt communication with the sleeve portion 42, an inner hole of the conduit portion 43 forms a water guide port 41, and the sleeve portion 42 is simultaneously sealed and sleeved on the end portions of the heating pipe 2 and the metal outer pipe 1. The structure of the water guide sleeve 4 is very simple and reliable, which not only can facilitate the manufacture, but also can meet the requirement of stable assembly; adopt conduit portion 43, can make things convenient for other pipeline butt joints to can make things convenient for the equipment of this water heating pipe structure to use, this reliability and the suitability that helps further to improve this water heating pipe structure.

As shown in fig. 2, 3 and 6, the inner bore 420 of the sleeve portion 42 includes a large bore section 421 and a small bore section 422, the water guiding port 41 is in butt communication with the large bore section 421, the large bore section 421 is hermetically sealed and installed on the end of the metal outer tube 1, and the small bore section 422 is hermetically sealed and installed on the end of the heating tube 2. Therefore, the sleeve part 42 has a simple structure, and the sleeve part 42 can be stably and reliably sleeved on the heating pipe 2 and the metal outer pipe 1 respectively, so that the assembly is very stable and reliable; the large hole section 421 and the small hole section 422 are adopted, so that the end positions of the heating pipe 2 and the metal outer pipe 1 can be limited, and a stable and reasonable water flow channel 10 is ensured between the outer circumferential surface of the heating pipe 2 and the inner circumferential surface of the metal outer pipe 1; this contributes to further improving the reliability of the water heating tube structure.

As shown in fig. 3 and fig. 6, the outer diameters of the metal outer tube 1 and the heating tube 2 can be respectively matched by the large hole section 421 and the small hole section 422, so that the purpose of sealing and sleeving can be achieved, the good sealing performance of the joint can be ensured, and the high reliability and safety of the water heating tube structure can be ensured.

As shown in fig. 6, the sleeve portion 42 includes a large pipe portion 423 and a small pipe portion 424, the large pipe portion 423 is in butt communication with the small pipe portion 424, an inner hole of the large pipe portion 423 forms a large hole section 421, an inner hole of the small pipe portion 424 forms a small hole section 422, and one end of the conduit portion 43 is connected to the large pipe portion 423. This can reduce the use of raw materials, thereby contributing to a reduction in manufacturing costs.

As shown in fig. 6, the large pipe portion 423 and the small pipe portion 424 are integrally formed. This not only ensures a very high reliability of the sleeve portion 42, but also facilitates manufacture.

As shown in fig. 5, the shortest distance X between the outer circumferential surface of the heating pipe 2 and the inner circumferential surface of the metal outer pipe 1 is 0.1 to 1cm. This ensures that the heat of the heating pipe 2 acts better in the water flow channel 10, which contributes to an improved heating quality, which contributes to a further improved reliability of the water heating pipe structure.

As shown in fig. 6, the sleeve portion 42 and the conduit portion 43 are of a unitary construction. This not only facilitates the manufacture, but also ensures a very high reliability of the water guiding sleeve 4.

The water guide sleeve 4 is of a flexible pipe body structure. The structure of software suit can be convenient for form like this, and this suit that can not only be convenient for realize very sealed suit can also reduce the degree of difficulty of suit to help further improving this water heating pipe structure's reliability.

As shown in fig. 1, 2 and 4, a water guide sleeve 4 at the end of the metal outer pipe 1 is fitted with a packing 5. This improves the tightness and stability of the water guide sleeve 4 around the metal outer tube 1, thereby contributing to further improving the reliability of the water heating tube structure.

As shown in fig. 2 to 5, the flow reducing structure 3 is a current limiting spring fitted around the heating pipe 2 or a protrusion provided on the inner circumferential surface of the metal outer pipe 1. The structure of the flow reducing structure 3 is very simple and reliable, so that the flow reducing structure can play a very good role in controlling the flow rate.

When the flow reducing structure 3 adopts the convex part, the spiral shape can be made, the convex strips can be made, and the convex blocks can be made, so that the flow reducing structure 3 can play a very good flow reducing role.

When the flow rate reducing structure 3 employs the convex portion, the flow rate reducing structure can be conveniently constructed by inwardly punching the metal outer tube 1 so that the metal outer tube 1 is inwardly depressed to form the convex portion on the inner wall of the metal outer tube 1.

When the flow reducing structure 3 is a current limiting spring, the metal outer tube 1 and the flow reducing structure 3 are both stainless steel structures, and the heating tube 2 is a heating tube structure with an electric heating wire and an insulating heat conduction layer sleeved on a stainless steel tube. Can be like this after the suit is on heating pipe 2 in proper order at deceleration rate structure 3 and metal outer tube 1, with metal outer tube 1 and heating pipe 2 common bending to helical structure 20 to just can make things convenient for the demand of actual production. And the flow reducing structure 3 is limited, so that the metal outer pipe 1 and the heating pipe 2 can be bent into the spiral structure 20 together, the damage in the bending process is avoided, and the high-quality water heating pipe structure can be produced.

As shown in fig. 1, 2 and 4, the binding member 5 is a band or a spiral band. This ensures that the strapping 5 has a simple, easy to operate construction and that the strapping is very stable and reliable, which contributes to improved ease and reliability of assembly.

When a spiral clamp is used, as shown in fig. 1, 2 and 4, a throat clamp in the spiral clamp can be used, so that a very reliable binding action can be achieved.

As shown in fig. 1, 2 and 4, the large pipe portion 423 and the small pipe portion 424 are fixed to the metal outer pipe 1 and the heating pipe 2, respectively, by a binding member 5. Therefore, the sealing and sleeving effect can be very stable and reliable, and the reliability of the water heating pipe structure is further improved.

The water guide sleeve 4 is of a silica gel tube body structure. Therefore, not only is the sealing and sleeving convenient, but also the high sanitation of the water guide sleeve 4 can be ensured.

As shown in fig. 6, the sleeve portion 42 and the conduit portion 43 are of an integral silicone tube structure. This ensures a very high reliability of the water guide sleeve 4.

As shown in fig. 7, in order to install the water heating pipe structure in the flat space, the spiral structure 20 may be replaced with a U-shaped structure, so that the entire water heating pipe structure constitutes the U-shaped water heating pipe structure, thereby facilitating installation in the flat space.

Claims (10)

1. A water heating pipe structure is characterized in that: the metal outer pipe comprises a metal outer pipe (1), a heating pipe (2) and a flow reducing structure (3), wherein the metal outer pipe (1) is sleeved on the heating pipe (2), a water flow channel (10) is formed between the outer circumferential surface of the heating pipe (2) and the inner circumferential surface of the metal outer pipe (1), the flow reducing structure (3) is arranged in the water flow channel (10), and the metal outer pipe (1) and the heating pipe (2) are jointly bent into a spiral structure (20).

2. The water heating tube structure of claim 1, wherein: the water guide sleeve (4) is hermetically sleeved on the end part of the metal outer pipe (1), the water guide sleeve (4) is hermetically sleeved on the end part of the heating pipe (2), a water guide port (41) is formed in the water guide sleeve (4), and the water guide port (41) is communicated with the water flow channel (10).

3. The water heating pipe structure according to claim 2, wherein: the water guide sleeve (4) comprises a sleeve part (42) and a conduit part (43), one end of the conduit part (43) is connected to the outer circumferential surface of the sleeve part (42) and enables the conduit part (43) and the sleeve part (42) to be in butt joint communication, an inner hole of the conduit part (43) forms a water guide port (41), and the sleeve part (42) is simultaneously sleeved on the end parts of the heating pipe (2) and the metal outer pipe (1) in a sealing manner.

4. A water heating tube structure as claimed in claim 3, wherein: the inner hole (420) of the sleeve part (42) comprises a large hole section (421) and a small hole section (422), the water guide port (41) is communicated with the large hole section (421) in a butt joint mode, the large hole section (421) is hermetically sleeved on the end portion of the metal outer pipe (1), and the small hole section (422) is hermetically sleeved on the end portion of the heating pipe (2).

5. The water heating tube structure of claim 4, wherein: the sleeve portion (42) comprises a large pipe portion (423) and a small pipe portion (424), the large pipe portion (423) is in butt joint communication with the small pipe portion (424), an inner hole of the large pipe portion (423) forms a large hole section (421), an inner hole of the small pipe portion (424) forms a small hole section (422), and one end of the conduit portion (43) is connected to the large pipe portion (423).

6. The water heating tube structure of any one of claims 1 to 5, wherein: the shortest distance X between the outer circumferential surface of the heating pipe (2) and the inner circumferential surface of the metal outer pipe (1) is 0.1-1 cm.

7. The water heating pipe structure according to claim 2, wherein: the water guide sleeve (4) is of a hose body structure.

8. The water heating tube structure of claim 7, wherein: the water guide sleeve (4) on the end part of the metal outer pipe (1) is sleeved with a binding piece (5).

9. The water heating tube structure of claim 8, wherein: the flow reducing structure (3) is a flow limiting spring sleeved on the heating pipe (2) or a convex part arranged on the inner circumferential surface of the metal outer pipe (1).

10. A water heating tube structure as claimed in any one of claims 7 to 9, wherein: the water guide sleeve (4) is of a silica gel tube body structure.

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