Wire fixing device for water heater and water heater

Abstract

The utility model discloses a wire fixing device for a water heater and the water heater, and belongs to the technical field of water heaters, the wire fixing device for the water heater comprises an end cover, a wire pressing structure, a maintenance cover and a locking piece, and a containing cavity is formed in one side of the end cover; the wire pressing structure is arranged in the accommodating cavity and is used for clamping a wire; the maintenance cover covers the containing cavity in a buckled mode, the maintenance cover is detachably connected with the end cover, a positioning protrusion is arranged on the inner wall of the maintenance cover, the positioning protrusion abuts against the line pressing structure, and a first installation hole penetrating through the positioning protrusion is formed in the maintenance cover; the locking piece is arranged in the first mounting hole in a penetrating mode and locks the maintenance cover and the wire pressing structure. The water heater comprises a shell and the wire fixing device for the water heater, and the end cover is arranged at one end of the shell. The arrangement of the positioning projection can increase the structural strength, prevent the maintenance cover from deforming when the locking member is installed, enable the locking to be stable, and can apply pressure to the wire pressing structure after the locking member is installed, thereby enabling the wire to be more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a wire fixing device for a water heater and a water heater. Background Art

[0002] Water heaters are common household appliances in daily life. Water heaters are divided into electric water heaters, heat pump water heaters and solar water heaters. Electric water heaters are widely used because of their convenience. The power cord of the electric water heater needs to be connected to the power board in the appliance room.

[0003] During the assembly process, in order to prevent the power line from changing its position, a wire fixing device is usually used to fix the wire. The existing wire fixing device usually uses a wire pressing plate, which presses the power line onto the end cover, and a screw is screwed between the wire pressing plate and the end cover to lock it.

[0004] In the existing electric water heater, a maintenance cover is also provided on the end cover, the maintenance cover shields the wire fixing device, and the maintenance cover is fixed to the end cover by screwing. Thus, two screws are required during the assembly process, which is cumbersome to operate and has low assembly efficiency, and the maintenance cover is easily deformed when screwing the maintenance cover. Utility Model Content

[0005] The utility model aims to provide a wire fixing device for a water heater and a water heater, so as to solve the technical problem that a maintenance cover is easy to deform in the prior art.

[0006] As conceived above, the technical solution adopted by the utility model is:

[0007] A wire fixing device for a water heater, comprising:

[0008] An end cover, one side of which forms a receiving cavity;

[0009] A wire pressing structure, disposed in the accommodating cavity, and used for clamping the wire;

[0010] A maintenance cover, buckled on the accommodating cavity, the maintenance cover is detachably connected to the end cover, a positioning protrusion is provided on the inner wall of the maintenance cover, the positioning protrusion abuts against the wire pressing structure, and a first mounting hole penetrating the positioning protrusion is opened on the maintenance cover;

[0011] A locking member is inserted into the first mounting hole, and the locking member locks the maintenance cover and the wire pressing structure.

[0012] Preferably, the wire crimping structure comprises a wire crimping seat and a wire crimping plate, the wire crimping seat is connected to the end cover, the wire crimping plate is detachably connected to the wire crimping seat, and the positioning protrusion abuts against the wire crimping plate.

[0013] Preferably, a wire threading groove is provided on the wire crimping seat, the wire crimping plate is buckled and covered on the wire threading groove, a first wire crimping protrusion is provided on the inner wall of the wire threading groove, and the first wire crimping protrusion abuts against the wire.

[0014] Preferably, the first pressing line protrusion is in the shape of an elongated strip or a spherical ball.

[0015] Preferably, one end of the wire pressing plate is plugged into the wire pressing seat along the length direction of the wire pressing plate, and the other end of the wire pressing plate is plugged into the wire pressing seat along the width direction of the wire pressing plate.

[0016] Preferably, the wire pressing plate includes a first limiting portion and a second limiting portion, one end of the wire pressing seat is provided with a first limiting groove for inserting the first limiting portion, and the other end of the wire pressing seat is provided with a second limiting groove for inserting the second limiting portion.

[0017] Preferably, the second limiting portion is plugged into the second limiting groove along the width direction of the wire pressing plate, a limiting protrusion is provided on the second limiting portion, and a limiting groove for inserting the limiting protrusion is provided on the inner wall of the second limiting groove.

[0018] Preferably, the wire crimping seat and the end cover are integrally formed.

[0019] Preferably, a disassembly groove is provided on the outer wall of the end cover, and a portion of the edge of the maintenance cover is located in the disassembly groove.

[0020] A water heater comprises a shell and the above-mentioned wire fixing device for the water heater, wherein the end cover is arranged at one end of the shell.

[0021] Beneficial effects of the utility model:

[0022] The wire fixing device for a water heater proposed in the utility model, when assembled, first clamps the wire with the wire pressing structure, then buckles the maintenance cover to the accommodating cavity, and locks the maintenance cover and the wire pressing structure through a locking member that is inserted into the first mounting hole. Only one locking member is needed to lock the maintenance cover and the wire pressing structure, thereby ensuring the stability of the wire and improving the assembly efficiency. By setting a positioning protrusion on the inner wall of the maintenance cover, the positioning protrusion abuts against the wire pressing structure, and the first mounting hole passes through the positioning protrusion, the setting of the positioning protrusion can increase the structural strength to prevent the maintenance cover from being deformed when the locking member is installed, so that the locking is stable, the positioning protrusion abuts against the wire pressing structure, and after the locking member is installed, pressure can be applied to the wire pressing structure to make the wire more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a wire fixing device for a water heater provided in an embodiment of the utility model;

[0024] Figure 2This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 1 ;

[0025] Figure 3 It is a schematic structural diagram of the wire fixing device for a water heater provided by an embodiment of the utility model after omitting the maintenance cover and the locking member;

[0026] Figure 4 This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 2 ;

[0027] Figure 5 It is a structural schematic diagram of a maintenance cover provided by an embodiment of the utility model;

[0028] Figure 6 This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 3 ;

[0029] Figure 7 This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 4 ;

[0030] Figure 8 This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 5 ;

[0031] Fig. 9 This is a schematic diagram of a partial structure of a wire fixing device for a water heater provided in an embodiment of the utility model. Figure 6 ;

[0032] Fig.10 This is a schematic diagram of the structure of the wire pressing plate provided in the embodiment of the utility model. Figure 1 ;

[0033] Fig.11 This is a schematic diagram of the structure of the wire pressing plate provided in the embodiment of the utility model. Figure 2 ;

[0034] Fig.12 It is a partial structural cross-sectional view of a wire fixing device for a water heater provided in an embodiment of the utility model.

[0035] In the figure:

[0036] 10. End cover; 11. Disassembly slot; 12. Threading hole; 13. Positioning slot;

[0037] 20. Wire pressing structure; 21. Wire pressing seat; 211. Third mounting hole; 212. Threading groove; 213. First wire pressing protrusion; 214. First limiting groove; 215. Second limiting groove; 216. Limiting groove; 22. Wire pressing plate; 221. Second mounting hole; 222. Second wire pressing protrusion; 223. First limiting portion; 224. Second limiting portion; 225. Pressing plate body; 226. Positioning lug; 227. Limiting protrusion;

[0038] 30. maintenance cover; 31. positioning protrusion; 32. first mounting hole; 33. positioning portion;

[0039] 40. Locking piece. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0041] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0043] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0044] See also Figures 1 to 12The embodiment of the utility model provides a wire fixing device for a water heater, including an end cover 10, a wire pressing structure 20, a maintenance cover 30 and a locking piece 40. A receiving cavity is formed on one side of the end cover 10, and the wire pressing structure 20 is arranged in the receiving cavity. The wire pressing structure 20 is used to clamp the wire; the maintenance cover 30 is buckled on the receiving cavity, and the maintenance cover 30 is detachably connected to the end cover 10. A positioning protrusion 31 is arranged on the inner wall of the maintenance cover 30, and the positioning protrusion 31 abuts against the wire pressing structure 20. A first mounting hole 32 that passes through the positioning protrusion 31 is opened on the maintenance cover 30; the locking piece 40 is penetrated through the first mounting hole 32, and the locking piece 40 locks the maintenance cover 30 and the wire pressing structure 20.

[0045] During assembly, first clamp the wire with the wire pressing structure 20, then buckle the maintenance cover 30 to cover the accommodating cavity, and lock the maintenance cover 30 and the wire pressing structure 20 by passing the locking member 40 through the first mounting hole 32. Only one locking member 40 is needed to lock the maintenance cover 30 and the wire pressing structure 20, thereby ensuring the stability of the wire and improving the assembly efficiency. By setting a positioning protrusion 31 on the inner wall of the maintenance cover 30, the positioning protrusion 31 abuts against the wire pressing structure 20, and the first mounting hole 32 passes through the positioning protrusion 31. The setting of the positioning protrusion 31 can increase the structural strength to prevent the maintenance cover 30 from deforming when the locking member 40 is installed, so that the locking is stable. The positioning protrusion 31 abuts against the wire pressing structure 20. After the locking member 40 is installed, pressure can be applied to the wire pressing structure 20 to make the wire more stable.

[0046] The locking member 40 may be a screw, which is driven in by an existing screwdriver during assembly. The locking member 40 may also be a rivet. The wire may be a power cord or a wire such as a communication wire. A countersunk groove connected to the first mounting hole 32 is provided on the outer wall of the maintenance cover 30, and the head of the locking member 40 is located in the countersunk groove. After the locking member 40 is installed, the surface of the maintenance cover 30 can be guaranteed to be flat.

[0047] A disassembly groove 11 is provided on the outer wall of the end cover 10, and a portion of the edge of the maintenance cover 30 is located in the disassembly groove 11. When disassembling, after loosening the locking member 40, a finger can be inserted from the disassembly groove 11 to lift the maintenance cover 30. The provision of the disassembly groove 11 facilitates the disassembly of the maintenance cover 30.

[0048] The maintenance cover 30 is provided with a positioning portion 33, and the end cover 10 is provided with a positioning groove 13, and the positioning portion 33 can slide into the positioning groove 13. When installing the maintenance cover 30, the maintenance cover 30 is buckled onto the end cover 10, and the maintenance cover 30 is rotated so that the positioning portion 33 slides into the positioning groove 13. When the positioning portion 33 slides to the bottom of the positioning groove 13, the maintenance cover 30 is positioned so that the first mounting hole 32 is aligned with the wire pressing structure 20, and then the locking member 40 is installed.

[0049] In this embodiment, the wire pressing structure 20 includes a wire pressing seat 21 and a wire pressing plate 22. The wire pressing seat 21 is connected to the end cover 10. The wire pressing plate 22 is detachably connected to the wire pressing seat 21. The positioning protrusion 31 abuts against the wire pressing plate 22. In other embodiments, the wire pressing structure 20 includes a wire clamp, and a wire clamp hole is provided on the wire clamp. The wire clamp itself is elastic, so that the wire can be easily clamped into the wire clamp hole.

[0050] A second mounting hole 221 is provided on the wire pressing plate 22 at a position corresponding to the first mounting hole 32 , a third mounting hole 211 is provided on the wire pressing seat 21 at a position corresponding to the second mounting hole 221 , and the locking member 40 passes through the second mounting hole 221 and the third mounting hole 211 .

[0051] The crimping seat 21 is provided with a threading groove 212, and the crimping plate 22 is buckled on the threading groove 212. The threading groove 212 is used to thread the wire, and the crimping plate 22 and the crimping seat 21 clamp the wire. The end cover 10 is provided with a threading hole 12, which is connected to the threading groove 212, and the wire can pass through the threading hole 12.

[0052] A first wire pressing protrusion 213 is provided on the inner wall of the threading groove 212, and the first wire pressing protrusion 213 abuts against the wire. It effectively prevents the wire from moving back and forth during disassembly and use, increases the friction force in contact with the wire, and makes the position of the wire more stable. The first wire pressing protrusion 213 is in the shape of an elongated strip or a spherical ball. In the present embodiment, the first wire pressing protrusion 213 is in the shape of a hemisphere and is provided in plurality. The first wire pressing protrusion 213 can be made of an elastic material, or can be integrally formed with the wire pressing seat 21.

[0053] The wire pressing plate 22 is provided with a second wire pressing protrusion 222 at a position directly opposite to the threading groove 212, and the second wire pressing protrusion 222 abuts against the wire. It effectively prevents the wire from moving back and forth during disassembly and use, increases the friction force in contact with the wire, and makes the position of the wire more stable. The second wire pressing protrusion 222 is in the shape of an elongated strip or a spherical ball. In the present embodiment, the second wire pressing protrusion 222 is in the shape of an elongated strip. The second wire pressing protrusion 222 can be made of an elastic material, or it can be integrally formed with the wire pressing plate 22.

[0054] In this embodiment, the wire pressing seat 21 is provided with a wire threading groove 212, through which a wire can be threaded. In other embodiments, the wire pressing seat 21 can be provided with a plurality of wire threading grooves 212, through which a plurality of wires can be threaded.

[0055] The wire pressing plate 22 and the wire pressing seat 21 are detachably connected to facilitate the insertion of wires into the wire threading groove 212. The wire pressing plate 22 and the wire pressing seat 21 can be connected by bonding, clamping or magnetic attraction.

[0056] In this embodiment, one end of the wire pressing plate 22 is plugged into the wire pressing seat 21 along the length direction of the wire pressing plate 22, and the other end of the wire pressing plate 22 is plugged into the wire pressing seat 21 along the width direction of the wire pressing plate 22. The plug-in connection mode facilitates assembly and disassembly. Since the plug-in directions of the two ends of the wire pressing plate 22 are different, the wire pressing plate 22 can be limited in multiple directions, and the installation of the wire pressing plate 22 is more stable.

[0057] The wire pressing plate 22 includes a first limiting portion 223 and a second limiting portion 224. One end of the wire pressing seat 21 is provided with a first limiting groove 214 for inserting the first limiting portion 223, and the other end of the wire pressing seat 21 is provided with a second limiting groove 215 for inserting the second limiting portion 224. In the present embodiment, the first limiting portion 223 and the second limiting portion 224 are both plate-shaped, and the first limiting portion 223 is inserted into the first limiting groove 214 and the second limiting portion 224 is inserted into the second limiting groove 215 by utilizing the elasticity of the wire pressing plate 22 itself.

[0058] One of the first limiting groove 214 and the second limiting groove 215 extends along the length direction of the wire pressing plate 22, and the other extends along the width direction of the wire pressing plate 22. In this embodiment, the first limiting groove 214 extends along the length direction of the wire pressing plate 22, and the second limiting groove 215 extends along the width direction of the wire pressing plate 22. During installation, the first limiting portion 223 is first inserted into the first limiting groove 214, and then the second limiting portion 224 is pressed into the second limiting groove 215 by utilizing the elasticity of the wire pressing plate 22 itself.

[0059] The second limiting portion 224 is plugged into the second limiting groove 215 along the width direction of the wire pressing plate 22, and a limiting protrusion 227 is provided on the second limiting portion 224, and a limiting groove 216 for inserting the limiting protrusion 227 is provided on the inner wall of the second limiting groove 215. After the second limiting portion 224 is inserted into the second limiting groove 215, the limiting protrusion 227 cooperates with the limiting groove 216 to further increase the stability of the connection.

[0060] Among them, an inverted U-shaped structure is provided at one end of the wire pressing seat 21, the inverted U-shaped structure is connected to the bottom wall of the accommodating cavity, and a first limiting groove 214 is formed between the inverted U-shaped structure and the end cover 10. In the present embodiment, the first limiting groove 214 is square, and the first limiting portion 223 is a rectangular parallelepiped. A protruding structure is provided at the other end of the wire pressing seat 21, the protruding structure is connected to the side wall of the accommodating cavity, and a second limiting groove 215 is formed between the protruding structure and the end cover 10.

[0061] The wire pressing plate 22 further includes a plate body 225, a first limit portion 223 is disposed at one end of the plate body 225, and a second limit portion 224 is disposed at the other end of the plate body 225. The plate body 225 is U-shaped, and the U-shaped groove is a reserved space for threading the wire. After the wire pressing plate 22 is connected to the wire pressing seat 21, the U-shaped groove is disposed opposite to the threading groove 212.

[0062] In order to facilitate the installation and positioning of the wire pressing plate 22, a positioning lug 226 is provided at the junction of the pressure plate body 225 and the first limiting portion 223. After the first limiting portion 223 is inserted into the first limiting groove 214, the positioning lug 226 is located on the outside of the first limiting groove 214 and abuts against the wire pressing seat 21 to limit the depth of the wire pressing plate 22 inserted into the first limiting groove 214.

[0063] The wire pressing plate 22 is an integrally formed structure, which is convenient for processing and production.

[0064] The wire pressing seat 21 is arranged on the end cover 10. In order to protect the wire from being damaged, the wire pressing seat 21 is preferably made of plastic. The wire pressing seat 21 can be integrally formed with the end cover 10, or can be fixed to the end cover 10 by gluing alone. In this embodiment, the wire pressing seat 21 is integrally formed with the end cover 10, which is convenient for processing and production.

[0065] The embodiment of the utility model also provides a water heater, including a shell and the above-mentioned wire fixing device for the water heater, and the end cover 10 is arranged at one end of the shell. Only one locking member 40 is needed to realize the locking of the maintenance cover 30 and the wire pressing structure 20, thereby ensuring the stability of the wire and improving the assembly efficiency. The setting of the positioning protrusion 31 can increase the structural strength to prevent the maintenance cover 30 from being deformed when the locking member 40 is installed, so that the locking is stable. The positioning protrusion 31 abuts against the wire pressing structure 20. After the locking member 40 is installed, pressure can be applied to the wire pressing structure 20 to make the wire more stable.

[0066] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A wire fixing device for a water heater, characterized in that: include: An end cover (10), wherein one side of the end cover (10) forms a receiving cavity; A wire pressing structure (20) is arranged in the accommodating cavity, and the wire pressing structure (20) is used to clamp the wire; A maintenance cover (30) is buckled on the accommodating cavity, the maintenance cover (30) is detachably connected to the end cover (10), a positioning protrusion (31) is provided on the inner wall of the maintenance cover (30), the positioning protrusion (31) abuts against the wire pressing structure (20), and a first mounting hole (32) penetrating the positioning protrusion (31) is opened on the maintenance cover (30); A locking member (40) is inserted into the first mounting hole (32), and the locking member (40) locks the maintenance cover (30) and the wire pressing structure (20).

2. The wire fixing device for a water heater according to claim 1, characterized in that: The wire pressing structure (20) comprises a wire pressing seat (21) and a wire pressing plate (22); the wire pressing seat (21) is connected to the end cover (10); the wire pressing plate (22) is detachably connected to the wire pressing seat (21); and the positioning protrusion (31) abuts against the wire pressing plate (22).

3. The wire fixing device for a water heater according to claim 2, characterized in that: The wire pressing seat (21) is provided with a wire threading groove (212), the wire pressing plate (22) is buckled and covered on the wire threading groove (212), and a first wire pressing protrusion (213) is provided on the inner wall of the wire threading groove (212), and the first wire pressing protrusion (213) abuts against the wire.

4. The wire fixing device for a water heater according to claim 3, characterized in that: The first pressing line protrusion (213) is in the shape of an elongated strip or a spherical ball.

5. The wire fixing device for a water heater according to claim 2, characterized in that: One end of the wire pressing plate (22) is plugged into the wire pressing seat (21) along the length direction of the wire pressing plate (22), and the other end of the wire pressing plate (22) is plugged into the wire pressing seat (21) along the width direction of the wire pressing plate (22).

6. The wire fixing device for a water heater according to claim 5, characterized in that: The wire pressing plate (22) comprises a first limiting portion (223) and a second limiting portion (224); one end of the wire pressing seat (21) is provided with a first limiting groove (214) for inserting the first limiting portion (223); and the other end of the wire pressing seat (21) is provided with a second limiting groove (215) for inserting the second limiting portion (224).

7. The wire fixing device for a water heater according to claim 6, characterized in that: The second limiting portion (224) is plugged into the second limiting groove (215) along the width direction of the wire pressing plate (22); a limiting protrusion (227) is provided on the second limiting portion (224); and a limiting groove (216) for inserting the limiting protrusion (227) is provided on the inner wall of the second limiting groove (215).

8. The wire fixing device for a water heater according to claim 2, characterized in that: The wire pressing seat (21) and the end cover (10) are integrally formed.

9. The wire fixing device for a water heater according to any one of claims 1 to 8, characterized in that: A disassembly groove (11) is provided on the outer wall of the end cover (10), and a portion of the edge of the maintenance cover (30) is located in the disassembly groove (11).

10. A water heater, characterized in that: It comprises a shell and a wire fixing device for a water heater according to any one of claims 1 to 9, wherein the end cover (10) is arranged at one end of the shell.

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