Connector for water heating blanket and water heating blanket assembly

The snap-fit ​​structure of the lower and upper covers and the limiting slot design solve the problems of installation difficulties and high costs caused by the large number of screws in the water heating blanket connector, achieving the effects of convenient installation and reduced production costs.

CN224112415UActive Publication Date: 2026-04-14RENQIU DINGSHENG HEATING EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing water-heated blanket connectors require multiple screws to assemble the cover, making installation and disassembly troublesome. The large number of screws and screw holes also results in high processing and usage costs.

Method used

The design employs a snap-fit ​​structure for the lower and upper covers, combined with limiting slots and screw fixing, reducing the number of screws used and lowering mold costs through snap-fit ​​components.

Benefits of technology

It simplifies the installation and disassembly process, reduces manufacturing costs, and effectively prevents the double-ended female connector from shifting during installation and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The connector comprises a lower cover, a first limiting clamping groove is formed in the lower cover, first clamping parts are arranged on the two sides of the lower cover, and a first connecting column and a second connecting column are arranged at the first end and the second end of the bottom wall of the lower cover respectively; the two-way female seat is arranged in the first limiting clamping groove, and the two-way female seat and the first connecting column are fixed through a screw; a second limiting clamping groove corresponding to the first limiting clamping groove is formed in the inner side of the upper cover, second clamping parts are arranged on the two sides of the upper cover, the first clamping parts and the second clamping parts are connected in a buckled mode, the second end of the upper cover and the second connecting column are fixed through screws, and the second limiting clamping groove is pressed on the upper portion of the two-way female base; two channels are formed between the upper cover and the lower cover and correspond to the channels of the two-way female seat. The first end of the two-way male seat is used for being fixed to a host, and the second end of the two-way male seat penetrates through the two channels to be matched with the two-way female seat in an inserted mode.
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Description

Technical Field

[0001] This utility model relates to the field of thermal insulation equipment technology, and more specifically, to a connector and a component for a water-heated blanket. Background Technology

[0002] A water-heated blanket is a small household appliance that uses water as a heat medium to heat a bed. It consists of two parts: a main unit and a mattress. Its working principle is as follows: the water in the water tank inside the main unit is heated by the heater and then pumped into the mattress heat dissipation pipes by the water pump inside the main unit to dissipate heat. The cooled water returns to the water tank and is heated again, forming a cycle.

[0003] The pipes on the water-heated blanket need to be connected to the main unit via a connector. The connector used in related technologies mainly consists of two opposing covers and a pipe end installed between the two covers. The two covers are typically connected by multiple screws, making installation and disassembly cumbersome, and requiring a large number of screws and holes, resulting in high processing and usage costs. Utility Model Content

[0004] The main purpose of this utility model is to provide a connector and a water-heated blanket assembly for water-heated blankets, so as to solve the problems in the related technology that the connector requires multiple screws to assemble the cover, which is troublesome to install and disassemble, and requires a large number of screws and screw holes, resulting in high processing and usage costs.

[0005] To achieve the above objectives, this utility model provides a connector for a water-heated blanket, comprising:

[0006] The lower cover is provided with a first limiting slot, and the two sides of the first end of the lower cover are provided with a first snap-fit ​​part. The first end and the second end of the bottom wall of the lower cover are respectively provided with a first connecting post and a second connecting post.

[0007] A double-through female connector is provided in the first limiting slot, and the double-through female connector is fixed to the first connecting post by screws;

[0008] The upper cover has a second limiting slot corresponding to the first limiting slot on its inner side. The upper cover has a second snap-fit ​​part on both sides of its first end. The lower end face of the upper cover fits against the upper end face of the lower cover. The first snap-fit ​​part and the second snap-fit ​​part are snap-fit ​​connected. The second end of the upper cover is fixed to the second connecting post by screws. The second limiting slot is pressed against the upper part of the double-through female seat.

[0009] A double channel is formed between the upper cover and the lower cover, and the double channel corresponds to the channel of the double-pass female seat;

[0010] A double-channel male connector, the first end of which is used to fix it to the host, and the second end of which is inserted and mated with the double-channel female connector through the double channel.

[0011] Furthermore, the first snap-fit ​​portion includes snap-fit ​​protrusions, which are located on both side walls of the lower cover and protrude upwards;

[0012] The second snap-fit ​​part includes a snap-fit ​​groove, which is located on the outer side of the two side walls of the upper cover, and the snap-fit ​​protrusion is snapped into the snap-fit ​​groove.

[0013] Furthermore, the double-through female seat is provided with a first countersunk hole, which corresponds to the first connecting post. The double-through female seat is fixed by screws passing through the first countersunk hole and threadedly connecting to the first connecting post.

[0014] Furthermore, a third connecting post is provided on the inner side of the upper cover. The third connecting post corresponds to the second connecting post and is fixed to the upper cover and the lower cover by screw thread connection to the second connecting post and the third connecting post.

[0015] Furthermore, a second countersunk hole is provided on the outer side of the lower cover, and the second countersunk hole corresponds to the second connecting post.

[0016] Furthermore, multiple limiting plates are provided on the inner side of the upper cover and the inner side of the lower cover, with the first limiting slot and the second limiting slot located on the corresponding limiting plates.

[0017] Furthermore, the second connecting post is located between the two channels of the double-pass female seat, and the first connecting post and the second connecting post are respectively located at both ends of the center line of the lower cover.

[0018] Furthermore, the upper end of the top cover is provided with a connecting buckle, which is used to connect with the main unit buckle. The connecting buckle can be disengaged from the main unit by pressing. The upper end of the double-through female is provided with a spring fixing post, and a spring is sleeved on the spring fixing post. The upper end of the spring abuts against the connecting buckle to reset the connecting buckle so as to connect to the main unit.

[0019] Furthermore, the insertion end of the double-through male connector that mates with the double-through female connector is provided with multiple sealing rings, and the multiple sealing rings are distributed at intervals along the axial direction of the insertion end.

[0020] According to another aspect of this application, a water-heated blanket assembly is provided, comprising: a main unit, a water-heated blanket, and the aforementioned connector, wherein the double-ended female connector of the connector is connected to the water-heated blanket via a pipe, and the double-ended male connector of the connector is connected to the main unit.

[0021] In one aspect of this utility model embodiment, the second connecting post at the second end of the lower cover is fixed to the second end of the upper cover by screws, and the first snap-fit ​​part at the first end of the lower cover is snap-fitted to the second snap-fit ​​part at the first end of the upper cover. That is, the upper cover and the lower cover are fixed by screws and snap-fit ​​at both ends respectively, thereby reducing the number of screws used, facilitating installation and disassembly, and also reducing the number of corresponding connecting posts and threaded holes processed, thus reducing production and manufacturing costs. In addition, snap-fitting only at one end of the upper cover and the lower cover also reduces the number of snap-fit ​​parts, thereby reducing mold costs.

[0022] On the other hand, the first and second limiting slots provided in the lower and upper covers can limit the double-through female connector, effectively preventing the double-through female connector from shifting during installation and use. Attached Figure Description

[0023] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model, making other features, objects, and advantages of the utility model more apparent. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0024] Figure 1 This is an exploded structural diagram of the connector according to an embodiment of the present utility model;

[0025] Figure 2 This is a schematic diagram of the assembly structure of the connector according to an embodiment of the present utility model;

[0026] Figure 3 This is a structural schematic diagram of the lower cover according to an embodiment of the present utility model;

[0027] Figure 4 This is a structural schematic diagram of the upper cover according to an embodiment of the present utility model;

[0028] Figure 5 This is a structural schematic diagram of the double-through female seat according to an embodiment of the present utility model;

[0029] Figure 6 This is a structural schematic diagram of the double-pass male connector according to an embodiment of the present utility model;

[0030] Among them, 1. lower cover; 2. first snap-fit ​​part; 20. snap-fit ​​protrusion; 3. upper cover; 4. second snap-fit ​​part; 40. snap-fit ​​groove; 5. second connecting post; 6. double-through female seat; 7. double-through male seat; 8. connecting piece; 9. spring connecting post; 10. connecting buckle; 11. first limiting groove; 12. first connecting post; 13. third connecting post; 14. second limiting groove; 15. first countersunk hole. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0032] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this utility model described herein.

[0033] In this invention, the terms "upper," "lower," "inner," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0034] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0035] Furthermore, the terms "set up," "equipped with," "connected," and "fixed" should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] In addition, the term "multiple" should mean two or more.

[0037] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] To solve related technical problems, such as Figures 1 to 6 As shown, this embodiment of the present invention provides a connector for a water-heated blanket, comprising:

[0039] The lower cover 1 has a first limiting slot 11, and the two sides of the first end of the lower cover 1 have a first snap-fit ​​part 2. The first end and the second end of the bottom wall of the lower cover 1 are respectively provided with a first connecting post 12 and a second connecting post 5.

[0040] Double-through female connector 6 is located in the first limiting slot 11 and is fixed to the first connecting post 12 by screws.

[0041] The upper cover 3 has a second limiting groove 14 corresponding to the first limiting groove 11 on its inner side. The upper cover 3 has a second snap-fit ​​part 4 on both sides of the first end. The lower end face of the upper cover 3 is in contact with the upper end face of the lower cover 1, and the first snap-fit ​​part 2 and the second snap-fit ​​part 4 are snap-fit ​​connected. The second end of the upper cover 3 is fixed to the second connecting post 5 by screws. The second limiting groove 14 is pressed against the upper part of the double-through female seat 6.

[0042] A double channel is formed between the upper cover 3 and the lower cover 1, and the double channel corresponds to the channel of the double-pass female seat 6;

[0043] The first end of the double-pass male connector 7 is used to fix it to the host, and the second end of the double-pass male connector 7 is inserted and mated with the double-pass female connector 6 through the double channel.

[0044] In this embodiment, the lower cover 1 and the upper cover 3 are arranged opposite to each other, and the double-through female connector 6 is disposed between the lower cover 1 and the upper cover 3. The part of the double-through male connector 7 that connects to the double-through female connector 6 is also located between the lower cover 1 and the upper cover 3. To facilitate the positioning of the double-through female connector 6, a first limiting groove 11 is provided on the lower cover 1. The first limiting groove 11 can be an arc-shaped groove, so as to better match the contour of the double-through female connector 6. A first connecting post 12 and a second connecting post 5 are respectively provided at the first end and the second end of the bottom wall of the lower cover 1. The first connecting post 12 is used to fix the double-through female connector 6. Therefore, a threaded hole corresponding to the first connecting post 12 can be provided at the first end of the double-through female connector 6. The double-through female connector 6 is fixed by screwing a screw into the threaded hole of the double-through female connector 6 and then into the first connecting post 12. The second connecting post 5 located at the second end of the lower cover 1 is used to fix the second end of the upper cover 3. Therefore, a threaded hole corresponding to the second connecting post 5 is provided at the second end of the upper cover 3. The upper cover 3 and the second end of the lower cover 1 are fixed by screwing the screw from the lower end of the lower cover 1 into the second connecting post 5 and into the threaded hole of the upper cover 3.

[0045] The first end of the lower cover 1 is provided with a first locking part 2, and similarly, the first end of the upper cover 3 is provided with a second locking part 4. When the lower cover 1 and the upper cover 3 are connected, the first locking part 2 and the second locking part 4 engage to fix the first ends of the upper cover 3 and the lower cover 1. To position the double-through female connector 6, the upper cover 3 is also provided with a second limiting groove 14. The second limiting groove 14 and the first limiting groove 11 can correspond vertically, so that they together limit the double-through female connector 6 after installation. At this point, the installation of the upper cover 3, the double-through female connector 6, and the lower cover 1 is completed. Since the host and pipes also need to be connected, a double channel is formed between the upper cover 3 and the lower cover 1. The double channel corresponds to the channel of the double-through female connector 6. That is, the double channel is located at the first end and the second end of the double-through female connector 6 respectively. The double channel located at the first end is used for the second end of the double-through male connector 7 to pass through, and the double channel located at the second end is used for the pipe to pass through, or the second end of the double-through female connector 6 is located in the double channel, which facilitates the connection between the pipe and the second end of the double-through female connector 6.

[0046] In one aspect of this utility model embodiment, the second connecting post 5 at the second end of the lower cover 1 is fixed to the second end of the upper cover 3 by screws, and the first snap-fit ​​part 2 at the first end of the lower cover 1 is snap-fitted to the second snap-fit ​​part 4 at the first end of the upper cover 3. That is, the upper cover 3 and the lower cover 1 are fixed by screws and snap-fit ​​at both ends respectively, thereby reducing the number of screws used, facilitating installation and disassembly, and also reducing the number of corresponding connecting posts and threaded holes processed, thus reducing production and manufacturing costs. In addition, snap-fitting only at one end of the upper cover 3 and the lower cover 1 also reduces the number of snap-fit ​​parts, thereby reducing mold costs.

[0047] On the other hand, the first limiting slot 11 and the second limiting slot 14 provided in the lower cover 1 and the upper cover 3 can limit the double-through female seat 6, which can effectively prevent the double-through female seat 6 from shifting during installation and use.

[0048] For ease of use, the edges of the upper cover 3 and the lower cover 1 can be rounded.

[0049] In one embodiment, the first snap-fit ​​portion 2 includes a snap-fit ​​protrusion 20, which is located on both side walls of the lower cover 1 and protrudes upward.

[0050] The second snap-fit ​​part 4 includes a snap-fit ​​groove 40, which is located on the outer side of the two side walls of the upper cover 3, and the snap-fit ​​protrusion 20 is snapped into the snap-fit ​​groove 40.

[0051] Specifically, during installation, the snap-fit ​​protrusions 20 on the lower cover 1 deform and engage with the snap-fit ​​grooves 40 on the upper cover 3, thus securing the upper cover 3. The snap-fit ​​protrusions 20 are located on both sides of the lower cover 1, and the corresponding snap-fit ​​grooves 40 are also located on both sides of the upper cover 3. In another embodiment, the first snap-fit ​​part 2 can be configured as a snap-fit ​​groove 40, and the second snap-fit ​​part 4 can be configured as a snap-fit ​​protrusion 20.

[0052] To facilitate fixing the double-through female seat 6 to the lower cover 1, a first countersunk hole 15 is provided on the double-through female seat 6. The first countersunk hole 15 corresponds to the first connecting post 12. The double-through female seat 6 is pressed and fixed by screws passing through the first countersunk hole 15 and threadedly connecting to the first connecting post 12. The first countersunk hole 15 can prevent the screw from protruding and keep the surface flat.

[0053] To facilitate the connection between the second end of the upper cover 3 and the second connecting post 5 at the second end of the lower cover 1, a third connecting post 13 is provided on the inner side of the upper cover 3 in this embodiment. The third connecting post 13 corresponds to the second connecting post 5, and the upper cover 3 and the lower cover 1 are fixed by screw thread connection to the second connecting post 5 and the third connecting post 13. To keep the surface of the upper cover 3 flat, a second countersunk hole corresponding to the second connecting post 5 can be provided at the lower end of the lower cover 1. The second countersunk hole corresponds to the second connecting post 5, and the screw is screwed into the second connecting post 5 through the second countersunk hole and then into the third connecting post 13 to fix the second ends of the upper cover 3 and the lower cover 1.

[0054] In one embodiment, multiple limiting plates are provided on the inner side of the upper cover 3 and the inner side of the lower cover 1, with the first limiting slot 11 and the second limiting slot 14 located on the corresponding limiting plates.

[0055] In one embodiment, the second connecting post 5 is located between the two channels of the double-pass female seat 6, and the first connecting post 12 and the second connecting post 5 are located at the two ends of the center line of the lower cover 1, respectively.

[0056] To facilitate the connection between the connector and the host, a connecting buckle 10 is provided at the upper end of the cover 3 in this embodiment. The connecting buckle 10 is used to connect with the host. The connecting buckle 10 can be released from the host by pressing. A spring fixing post is provided at the upper end of the double-through female seat 6. A spring is sleeved on the spring fixing post. The upper end of the spring abuts against the connecting buckle 10 to reset the connecting buckle 10 so as to connect to the host.

[0057] Specifically, a connecting piece 8 capable of elastic deformation upon pressure can be provided on the upper cover 3. A connecting buckle 10 is provided on the connecting piece 8, and a corresponding snap-fit ​​groove 40 is provided inside the main unit. During installation, the connector is inserted into the main unit, and the connecting buckle 10 snaps into the snap-fit ​​groove 40 of the main unit to complete the connection between the connector and the main unit. During disassembly, the connecting piece 8 is installed, causing the connecting buckle 10 to disengage from the snap-fit ​​groove 40, at which point the connector can be pulled out. In addition, to facilitate the reset of the connecting piece 8 under the action of elastic force, a spring fixing post is provided at the upper end of the double-through female seat 6 in this embodiment. A spring is sleeved on the spring fixing post, and the upper end of the spring abuts against the connecting buckle 10. When the connecting piece 8 is pressed down, the spring is compressed; when the connecting piece 8 is released, the spring pushes the connecting piece 8 to reset. The connecting piece 8 can generally be made of plastic, which also has a certain degree of elasticity.

[0058] To facilitate sealing the connection between the double-through male seat 7 and the double-through female seat 6, the insertion end of the double-through male seat 7 that mates with the double-through female seat 6 is provided with multiple sealing rings, which are distributed at intervals along the axial direction of the insertion end.

[0059] According to another aspect of this application, a water-heated blanket assembly is provided, comprising: a main unit, a water-heated blanket, and the aforementioned connector, wherein the double-ended female connector 6 is connected to the water-heated blanket via a pipe, and the double-ended male connector 7 is connected to the main unit.

[0060] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A joint for a water warming blanket, characterized in that, The utility model provides a connector for connecting water heating blanket and host computer, which comprises a lower cover and an upper cover. The lower cover is provided with a first limiting clamping groove, and the first end of the lower cover is provided with a first clamping part on both sides. The bottom wall of the lower cover is provided with a first connecting column and a second connecting column at the first end and the second end respectively. The upper cover is provided with a second limiting clamping groove corresponding to the first limiting clamping groove on the inner side. The first end of the upper cover is provided with a second clamping part on both sides. The lower end surface of the upper cover is attached to the upper end surface of the lower cover.

2. A joint for a water heating blanket according to claim 1, characterised in that, The first clamping part and the second clamping part are buckled and connected. The second end of the upper cover is fixed with the second connecting column through a screw.

3. The connector for a hot water blanket according to claim 1, wherein The second limiting clamping groove is pressed on the upper part of the double-pass female seat.

4. A joint for a water heating blanket according to claim 3, characterised in that, The upper cover and the lower cover form a double-channel.

5. A joint for a water heating blanket according to claim 4, characterised in that, The first end of the double-pass male seat is used for connecting to the host computer.

6. The connector for a hot water blanket according to claim 1, wherein The second end of the double-pass male seat is inserted and matched with the double-pass female seat through the double-channel.

7. The connector for a hot water blanket according to claim 1, wherein The first clamping part comprises a clamping protrusion.

8. The connector for a hot water blanket according to claim 1, wherein The clamping protrusion is located on the side wall of the lower cover and protrudes upward.

9. The connector for a hot water blanket according to claim 1, wherein The second clamping part comprises a clamping groove.

10. A water heating blanket assembly characterized by, The clamping groove is located on the outer side of the side wall of the upper cover. The clamping protrusion and the clamping groove are buckled and connected. The double-pass female seat is provided with a first counterbore corresponding to the first connecting column. The first counterbore and the first connecting column are threadedly connected and fixed through a screw. The inner side of the upper cover is provided with a third connecting column corresponding to the second connecting column. The third connecting column and the second connecting column are threadedly connected to fix the upper cover and the lower cover. The outer side of the lower cover is provided with a second counterbore corresponding to the second connecting column. The inner side of the upper cover and the inner side of the lower cover are provided with a plurality of limiting plates. The first limiting clamping groove and the second limiting clamping groove are located on the corresponding limiting plates. The second connecting column is located between the two channels of the double-pass female seat. The first connecting column and the second connecting column are respectively located at both ends of the center line of the lower cover. The upper end of the upper cover is provided with a connecting buckle for buckling connection with the host computer. The upper end of the double-pass female seat is provided with a spring fixing column. The spring on the spring fixing column is sleeved with a spring. The upper end of the spring abuts against the connecting buckle to reset the connecting buckle to connect the host computer. The insertion end of the double-pass male seat inserted and matched with the double-pass female seat is provided with a plurality of sealing rings. The main computer, the water heating blanket and the connector according to any one of claims 1 to 9 are connected through a pipeline. The double-pass female seat of the connector is connected with the host computer.