CN217844299U

CN217844299U - Integral heat pump water heater

Info

Publication number: CN217844299U
Application number: CN202221668150.6U
Authority: CN
Inventors: 杨颂文; 付磊涛
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-18
Anticipated expiration: 2032-06-29

Abstract

The utility model belongs to the technical field of air source heat pump water heaters, and discloses an integral heat pump water heater, which comprises a machine head, a water tank and a belt, wherein the machine head is arranged in a machine head shell; the water tank is arranged in the water tank shell; the waistband is made of soft elastic materials; the waistband comprises a first extension part, a second extension part and a connecting part, the first extension part and the second extension part are respectively connected with the connecting part to form a clamping groove, and the top end opening of the water tank shell is embedded in the clamping groove; the first extension part is positioned on the outer side of the water tank shell, the outer side face of the first extension part is provided with a step part, and the machine head shell is sleeved on the outer side face of the first extension part and supported on the step part. The utility model connects the machine head shell and the water tank shell through the belt, which can reduce the assembly precision of the machine head shell and the water tank shell and improve the production efficiency; and the waistband made of soft elastic materials can be cut according to the perimeter of the water tank shell, so that the waistband is good in universality and beneficial to reducing the input cost of new products and the difficulty of a processing process.

Description

Integral heat pump water heater

Technical Field

The utility model relates to an air source heat pump water heater technical field especially relates to an integral heat pump water heater.

Background

The air source heat pump water heater (also called as air energy water heater, hereinafter referred to as heat pump water heater) comprises a split type heat pump water heater and an integral type heat pump water heater. In the integral heat pump water heater, the structure is mainly divided into a machine head positioned at the upper part and a water tank positioned at the lower part. In the prior art, the assembly method between the head shell and the water tank shell comprises two types: (1) A single-tray structure is used, a tray is used for buckling the water tank shell, and a machine head shell is arranged on the tray; (2) The double-tray structure is used, the water tank shell is buckled by the lower tray, the machine head shell is installed on the upper tray, and the upper tray and the lower tray form an assembly relation.

Under two kinds of existing assembly methods, because the assembly can only be accomplished to aircraft nose shell, tray and water tank shell three will keep coaxial, consequently to aircraft nose shell, tray and water tank shell three's assembly precision requirement higher. And when the appearance of the product is extended to a new product, such as the diameter of the water tank is increased, the tray of the original product cannot be used continuously, and the new product is developed and input, so that the product cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an integral heat pump water heater, it can effectively solve the connection assembly required precision between aircraft nose and the water tank and high and the water tank diameter changes the problem that brings the development cost height.

The technical problem is solved by the following technical scheme:

an integral heat pump water heater comprising:

a handpiece mounted within a handpiece housing;

a water tank mounted within the water tank housing;

the waistband is made of soft elastic materials; the waistband comprises a first extension part, a second extension part and a connecting part, the first extension part and the second extension part are respectively connected with the connecting part to form a clamping groove, and the top end opening of the water tank shell is embedded in the clamping groove; the first extension part is positioned on the outer side of the water tank shell, a step part is arranged on the outer side face of the first extension part, and the machine head shell is sleeved on the outer side face of the first extension part and supported on the step part.

Integral heat pump water heater, compare with the background art, the beneficial effect who has is:

the top opening of the water tank shell is embedded on the waistband clamping groove, the end surface of the machine head shell is sleeved on the outer side surface of the first extending part of the waistband and is supported on the step part, so that the machine head shell and the water tank shell can be conveniently connected through the waistband; because the waistband is made of soft elastic materials, even if the deviation occurs in the processing of the machine head shell or the water tank shell, the small-amplitude deviation occurs in the assembly of the machine head shell and the water tank shell, the influence of the assembly failure caused by the deviation in the processing of the machine head shell or the water tank shell is eliminated through the elastic deformation of the waistband, so that the assembly precision of the machine head shell and the water tank shell can be reduced, and the production efficiency is improved; and the waistband made of the soft elastic material can be cut according to the perimeter of the water tank shell, so that the waistband has good universality, and is beneficial to reducing the input cost of new products and the difficulty of a processing technology.

In one embodiment, the waist belt is a strip structure, one or more waist belts are arranged around the top opening of the water tank shell, and one or more waist belts are connected end to end.

In one embodiment, the inner side surface of the first extending portion is a plane, the outer side surface of the first extending portion uses the stepped portion as a boundary point, the upper side of the stepped portion is a plane, the lower side of the stepped portion is a first convex arc surface, and the first convex arc surface is connected between the outer edge of the stepped portion and the bottom end of the inner side surface of the first extending portion.

In one embodiment, the bottom end of the inner side surface of the first extension part is provided with an inward bent section.

In one embodiment, the radial width of the step is no less than the wall thickness of the handpiece housing.

In one embodiment, the length of the second extension part is not less than the distance between the step part and the top end opening.

In one embodiment, the inner side surface of the second extension part is a plane and can be attached to the inner side wall of the water tank shell, and the outer side surface of the second extension part is provided with a second convex arc surface which is intersected with the bottom end of the inner side surface of the second extension part.

In one embodiment, the waistband is provided with a long slotted hole, the long axis of the long slotted hole is arranged along the length direction of the waistband, and when the waistband is hung on the top end opening of the water tank shell, the long slotted hole corresponds to the second connecting hole on the water tank shell one to one.

In one embodiment, the integral heat pump water heater further comprises a connecting piece, and the connecting piece can sequentially penetrate through the first connecting hole, the slotted hole and the second connecting hole in the machine head shell and is locked and fixed.

In one embodiment, the waistband is a unitary structure made of silicone, rubber, or a thermoplastic elastomer.

Drawings

Fig. 1 is a schematic structural diagram of an integral heat pump water heater provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic end face structure view of a middle belt of an integral heat pump water heater according to an embodiment of the present invention;

fig. 4 is a schematic view of a belt structure of a middle belt of an integral heat pump water heater according to an embodiment of the present invention.

Description of reference numerals:

1. a machine head; 11. a handpiece housing; 2. a water tank; 21. a water tank housing; 3. a waistband; 31. a first extension portion; 311. a step portion; 312. a first convex arc surface; 313. bending the section; 32. a second extension portion; 321. a second convex arc surface; 33. a connecting portion; 34. a long slot hole.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

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

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The embodiment of the utility model provides an integral heat pump water heater, as shown in fig. 1 and 2, including aircraft nose 1, water tank 2 and waistband 3, aircraft nose 1 is installed in aircraft nose shell 11, and water tank 2 is installed in water tank shell 21, and aircraft nose 1 is installed in water tank 2 top. The waistband 3 is made of soft elastic material; the waistband 3 comprises a first extension part 31, a second extension part 32 and a connecting part 33, the first extension part 31 and the second extension part 32 are respectively connected with the connecting part 33 to form a clamping groove, and the top end opening of the water tank shell 21 is embedded in the clamping groove; the first extension 31 is located outside the tank shell 21, a step 311 is provided on an outer side surface of the first extension 31, and the handpiece shell 11 is sleeved on the outer side surface of the first extension 31 and supported on the step 311.

The integral heat pump water heater of this embodiment, the bottom opening of aircraft nose shell 11 faces down, the top opening of water tank shell 21 faces up, first extension 31 and second extension 32 set up respectively at the both ends of connecting portion 33 and the homonymy sets up and form the draw-in groove, the top opening of water tank shell 21 inlays on the draw-in groove of waistband 3, the terminal surface of aircraft nose shell 11 cup joints the lateral surface of the first extension 31 of waistband 3 and supports on step portion 311, realize the assembly and the connection of aircraft nose shell 11 and water tank shell 21, because waistband 3 adopts the preparation of soft elastic material, even small amplitude off normal or deviation appear when aircraft nose shell 11 or water tank shell 21 processing deviation appears and lead to aircraft nose shell 11 and/or water tank shell 21 to assemble, just can eliminate the influence on the assembly that aircraft nose shell 11 or water tank shell 21 processing deviation appears and bring through the elastic deformation of waistband 3, thereby can reduce the assembly precision of aircraft nose shell 11 and water tank shell 21, and improve production efficiency and yield. The waistband 3 made of soft elastic materials can be designed and cut according to the circumference of the water tank shell 21, has good universality, and is beneficial to reducing the input cost of new products and the difficulty of processing technology. The waistband 3 made of soft elastic material is connected between the head shell 11 and the water tank shell 21, so that the direct contact installation of the head shell 11 and the water tank shell 21 is avoided, and the reduction of friction and loss of a contact surface is facilitated.

In the preferred embodiment, the waistband 3 is a unitary structure made of silicone, rubber or a thermoplastic elastomer material. When the silica gel material is adopted, the shore hardness of the waistband 3 is not lower than 75, and the waistband is manufactured in an extrusion mode through an extrusion die. The waistband 3 of an organic whole structure does not produce extra installation clearance when the installation, does benefit to the maintenance, and has avoided the outward appearance influence to integral heat pump water heater, does benefit to the outward appearance uniformity who guarantees integral heat pump water heater.

In one embodiment, the waist belt 3 is a strip structure, one or more waist belts 3 are installed around the top opening of the tank case 21, and the one or more waist belts 3 are connected end to end.

As shown in fig. 4, the waistband 3 is of a strip structure, and the length of the waistband 3 can be cut according to the circumference of the cistern shell 21, so that the waistband 3 of the strip structure has good universality and is suitable for cistern shells 21 of various sizes, and when the waistband 3 is installed around the top opening of the cistern shell 21, the waistband ensures that the waistband is in a closed loop after being connected in a tail way, so as to provide better sealing performance and supporting performance. Preferably, one waistband 3 can be cut according to needs and installed at the opening at the top end of the water tank shell 21, as an alternative, a plurality of waistbands 3 are installed end to end in sequence, the same effect is achieved, the end faces of two adjacent waistbands 3 are abutted and contacted as much as possible, the sealing performance is improved, the installation is more flexible, and the reutilization is easy to achieve.

In one embodiment, the inner side surface of the first extending portion 31 is a plane, the outer side surface of the first extending portion 31 uses the step portion 311 as a boundary point, the upper side of the step portion 311 is a plane, the lower side of the step portion 311 is a first convex arc surface 312, and the first convex arc surface 312 is connected between the outer edge of the step portion 311 and the bottom end of the inner side surface of the first extending portion 31.

As shown in fig. 2 and 3, the inner side surface of the first extending portion 31 is in contact with the outer side wall of the tank case 21 when being installed, so that the inner side surface is a plane, which is beneficial to the good fitting contact between the first extending portion 31 and the outer side wall of the tank case 21, thereby avoiding the generation of an installation gap and not affecting the external beauty of the tank case 21. The upper part of the step part 311 of the first extension part 31 is a plane, which is beneficial to the good fitting and sealing between the inner side wall of the handpiece shell 11 and the first extension part 31 during the installation, and improves the installation stability of the handpiece shell 11. When the size deviation exists between the head shell 11 and the water tank shell 21, the waistband 3 can realize the installation of the head shell 11 and the water tank shell 21 in a certain size deviation range through the elastic deformation of the waistband, thereby being beneficial to reducing the difficulty of the processing technology and improving the yield. The part below the step 311 on the first extension 31 is provided with a first convex arc surface 312, as shown in fig. 3, the bottom of the first extension 31 forms a structure with gradually changed thickness, which is beneficial for the first extension 31 to better fit on the outer side wall of the water tank shell 21, reduces the generation of installation gap, and improves the sealing effect.

In one embodiment, the bottom end of the inner side surface of the first extension 31 has an inward bent section 313.

As shown in fig. 3, the bottom end of the inner side surface of the first extending portion 31, that is, the end portion facing one end of the extending direction, has a small bending section 313, and is bent towards the inner side by a small angle (generally less than 60 °), the first convex arc 312 of the outer side surface is unchanged, and in a normal state (before installation), the position of the tail end of the bending section 313 facing the direction of the second extending portion 32 at least exceeds the width of the slot (the width of the slot is generally equal to the wall thickness of the water tank housing 21), so that the bending section 313 has sufficient adhesive force, and the bottom end of the first extending portion 31 can be better attached to the outer side wall of the water tank housing 21.

In one embodiment, the radial width of the step 311 is no less than the wall thickness of the handpiece housing 11.

It can be understood that, as shown in fig. 2, the end of the handpiece housing 11 is supported on the step part 311, and the radial width of the step part 311 is larger than the wall thickness of the handpiece housing 11, so as to ensure that the end face of the handpiece housing 11 can be completely supported on the step face, and realize stable installation. From the viewpoint of installation accuracy, the radial width of the step portion 311 is greater than the wall thickness of the head housing 11, so that the head housing 11 can be installed on the water tank housing 21 with a certain eccentricity, thereby reducing the installation difficulty and facilitating the improvement of the installation efficiency.

In one embodiment, the length of the second extension portion 32 is not less than the distance between the step portion 311 and the top end opening.

It will be appreciated that when the head housing 11 is mounted on the tank housing 21 via the belt 3, the main bearing surface or force bearing surface is on the top and outside of the tank housing 21, and the length of the first extension 31 is larger, which is beneficial to provide sufficient support strength for the step portion 311. While the length of the second extension 32 may be less than the length of the first extension 31 to save material costs and facilitate installation. Usually, the length of the second extending portion 32 is not less than the distance between the stepped portion 311 and the bottom of the slot, that is, not less than the distance between the stepped portion 311 and the top opening of the water tank housing 21, which is beneficial to providing better connection stability for the second extending portion 32 inside the water tank housing 21, and is beneficial to increasing the clamping strength of the slot, so as to avoid the unstable clamping caused by the deformation of the slot.

In one embodiment, the inner side surface of the second extension part 32 is a plane and can be abutted against the inner side wall of the tank case 21, and the outer side surface of the second extension part 32 has a second convex arc surface 321, and the second convex arc surface 321 intersects with the bottom end of the inner side surface of the second extension part 32.

As shown in fig. 2 and 3, the bottom end of the second extension 32 has the same structure as the bottom end of the first extension 31, but has a different size. The thickness of second extension 32 is less than the thickness of first extension 31 to in material saving cost, the bottom of second extension 32 sets up second convex arc 321 and the medial surface is crossing in the bottom, makes the bottom of second extension 32 have gradual change thickness, improves the laminating effect of the inside wall of first extension 31 and water tank shell 21.

In one embodiment, the belt 3 is provided with a long slot 34, the long axis of the long slot 34 is arranged along the length direction of the belt 3, and when the belt 3 is hung on the top opening of the tank shell 21, the long slot 34 is in one-to-one correspondence with the second connecting hole on the tank shell 21.

As shown in fig. 4, a plurality of long slots 34 are provided at intervals on the belt 3 of a strip structure, the interval distance is equal to the hole pitch of the second connection hole on the water tank housing 21 and equal to the hole pitch of the first connection hole on the head housing 11, after the head housing 11 is mounted on the belt 3, the connection member is aligned with the long slots 34 by rotation, and the connection member sequentially penetrates through the first connection hole, the long slots 34 and the second connection hole on the head housing 11 and is locked and fixed, thereby further fixedly connecting the head housing 11 and the water tank housing 21. It will be appreciated that the elongated slot 34 facilitates the mounting location. The long slot hole 34 is opened at a portion above the stepped portion 311 and above the second convex arc 321 so as to have a better joint surface. The connecting piece can be selected from a screw and the like.

Through the embodiment of the utility model provides an integral heat pump water heater, even when the new article of outward appearance extension appear in former product, like the 2 diameter increases of water tank, as long as 1 inner part of former product aircraft nose does not change, just can continue to use former tray. The engagement of the tank housing 21 with the head housing 11 can be via the belt 3 as a transition. The new product does not need to be invested in a mould to spend on developing a new tray to adapt to the change of the product, so that the development investment of the new product is obviously reduced, and the product cost obtains great market competitive advantage. Meanwhile, the use of the belt 3 can greatly increase the universality of parts (such as a tray). The structure of the waist belt 3 can obviously reduce the requirement on the assembly precision of the tray (or the upper/lower tray) and the water tank shell 21. The process error of the water tank shell 21 production can be properly amplified, and the positive effects of improving the production efficiency and the production beat are achieved.

The structure and appearance of the belt 3 combine the dual functions of assembly transition and appearance modification. The existence of the waistband 3 ensures that the joint position of the head shell 11 and the water tank shell 21 does not need to be added with a decorative strip, so as to beautify the assembly gap and reduce the cost of the whole machine.

In the detailed description of the above embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the above technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The detailed description of the above embodiments only expresses several embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An integral heat pump water heater comprising:

the machine head (1), the machine head (1) is arranged in a machine head shell (11);

a water tank (2), the water tank (2) being mounted within a water tank housing (21);

the waist belt (3), the said waist belt (3) is made of soft elastic material; the waistband (3) comprises a first extension part (31), a second extension part (32) and a connecting part (33), the first extension part (31) and the second extension part (32) are respectively connected with the connecting part (33) to form a clamping groove, and the top end opening of the water tank shell (21) is embedded in the clamping groove; the first extension portion (31) is located on the outer side of the water tank shell (21), a step portion (311) is arranged on the outer side face of the first extension portion (31), and the machine head shell (11) is sleeved on the outer side face of the first extension portion (31) and supported on the step portion (311).

2. The integrated heat pump water heater according to claim 1, wherein the waist belt (3) is a strap structure, the waist belt (3) is installed around the top end opening of the tank case (21) in one or more, and the waist belt(s) (3) are connected end to end.

3. The integral heat pump water heater according to claim 1, wherein the inner side surface of the first extension portion (31) is a plane, the outer side surface of the first extension portion (31) is a boundary point with the step portion (311), the upper side of the step portion (311) is a plane, the lower side of the step portion (311) is a first convex arc surface (312), and the first convex arc surface (312) is connected between the outer edge of the step portion (311) and the bottom end of the inner side surface of the first extension portion (31).

4. The integrated heat pump water heater according to claim 3, wherein a bottom end of the inner side surface of the first extension portion (31) has an inward bent section (313).

5. The integrated heat pump water heater according to any one of claims 1 to 4, wherein a radial width of the step portion (311) is not smaller than a wall thickness of the head housing (11).

6. The integrated heat pump water heater according to any one of claims 1 to 4, wherein the length of the second extension (32) is not less than the distance between the step (311) and the top end opening.

7. The integrated heat pump water heater according to any one of claims 1 to 4, wherein the inner side surface of the second extension portion (32) is planar and can abut against the inner side wall of the tank case (21), and the outer side surface of the second extension portion (32) has a second convex arc surface (321), and the second convex arc surface (321) intersects with the bottom end of the inner side surface of the second extension portion (32).

8. The integral heat pump water heater according to any one of claims 1 to 4, wherein the belt (3) is provided with a long slot hole (34), the long axis of the long slot hole (34) is arranged along the length direction of the belt (3), and when the belt (3) is hung on the top end opening of the water tank shell (21), the long slot hole (34) is in one-to-one correspondence with a second connecting hole on the water tank shell (21).

9. The integral heat pump water heater of claim 8, further comprising a connecting piece, wherein the connecting piece can sequentially penetrate through the first connecting hole, the slotted hole (34) and the second connecting hole on the machine head shell (11) and is locked and fixed.

10. The integrated heat pump water heater according to any one of claims 1 to 4, wherein the belt (3) is a one-piece structure made of silicone, rubber or thermoplastic elastomer.