Connector assembly and water heating blanket

Through the split design of the plug body and the socket, combined with the clamping structure of the positioning block and the locking pressure piece, the problem of the non-detachable quick plug-in and pull-out of the water heating blanket pipe and the host is solved, and the improvement of quick plug-in and pull-out and direction accuracy is achieved.

CN223375326UActive Publication Date: 2025-09-23CHENGDU RAINBOW APPLIANCE (GRP) SHARES CO LTD
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Patent Information

Application Number
CN202422588769.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-09-23
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The existing water heating blanket pipe is connected to the host in a fixed manner, which cannot be quickly plugged in and out detachably, and the insertion direction cannot be accurately determined.

Method used

The plug body and the socket are split into a design that ensures alignment by setting positioning blocks and positioning grooves. The locking pressure piece and the clamping claw are used to achieve quick plugging and unplugging. The locking pressure piece is pressed to separate the clamping claw from the clamping edge.

Benefits of technology

The quick and detachable connection between the water heating blanket pipe and the host is realized, which avoids the situation of wrong or reverse insertion and ensures the correct insertion direction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The connector assembly comprises a plug main body, a socket and a locking pressing piece, the plug main body is communicated with a blanket body through a pipeline, the plug main body is provided with an insertion part, and a positioning block is arranged on the side wall of the insertion part in a protruding mode; the socket is provided with a slot matched with the insertion part, the socket is provided with a clamping edge, and the slot wall of the slot is provided with a positioning slot matched with the positioning block; the locking pressing piece is arranged on the side wall of the plug body, the plane where the locking pressing piece is located is parallel to the depth direction of the slot, the side, away from the insertion part, of the locking pressing piece is connected with the plug body, and the side, close to the insertion part, of the locking pressing piece is provided with a clamping jaw matched with the clamping edge; when the insertion part is inserted into the slot, the clamping jaw is clamped with the clamping edge, and the positioning block is inserted into the positioning groove; and when one side, close to the insertion part, of the locking pressing sheet is elastically pressed to the inner side of the plug main body, the clamping claw is separated from the clamping edge. The problems that an existing pipeline used for communicating a blanket body and a main machine cannot be detachably and rapidly inserted and pulled, and the insertion direction cannot be accurately judged can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of water heating blankets, in particular to a joint assembly. Background Art

[0002] As people become increasingly concerned about their sleep quality, electric water-heated blankets that can adjust mattress temperature are gaining popularity. These blankets primarily consist of a main unit, a blanket, and pipes connecting the main unit's water tank and the blanket's internal circulation system. When powered on, the main unit uses its internal cooling or heating mechanism to adjust the temperature of the water in the tank. The circulating mechanism then circulates the adjusted water through pipes into the blanket's internal circulation system, bringing the blanket to the desired temperature.

[0003] Existing pipes are generally connected to the main unit through a connecting pipe, and the main unit and the connecting pipe are usually connected by a nut. This connection is a fixed connection and cannot be detachably connected to quickly insert or remove the water pipe, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a water-heating blanket, which can solve the problem that the existing pipes for connecting the blanket body and the host cannot be quickly plugged in and out in a detachable manner, and the insertion direction cannot be accurately determined.

[0005] The utility model is achieved through the following technical solutions:

[0006] The locking plate is provided with a locking edge which is adapted to engage the locking rib and engage with the locking rib when the locking rib is engaged with the socket.

[0007] Optionally, a side wall of the plug body is provided with an embedding groove, and a shape of the embedding groove matches the locking pressing piece.

[0008] Optionally, the plug body includes a shell and a water outlet connector, and the water outlet connector is arranged in the shell; the shell includes a top shell and a bottom shell, and the embedding groove is arranged in the top shell and passes through the top shell along the thickness direction; a reset spring is sandwiched between the inner wall of the locking pressure plate and the inner wall of the shell.

[0009] Optionally, the locking pressure plate is in the shape of a strip extending along the depth direction of the slot; a circular pressing portion is provided in the middle of the locking pressure plate, and the edge of the pressing portion is arranged close to the tail end of the insertion portion; and an outer surface of the pressing portion is provided with anti-slip grooves.

[0010] Optionally, the size of the insertion portion is smaller than the size of the plug body, so that the plug body is located at the tail end of the insertion portion to form a limiting ring edge; the shape of the slot matches the shape of the insertion portion, and when the claw is engaged with the clamping edge, the limiting ring edge abuts against the notch of the slot.

[0011] Optionally, the top shell and the bottom shell are symmetrically arranged and are detachably connected by a number of snaps; the locking pressure plate is arranged on the top wall of the top shell, and the outer surface of the locking pressure plate is flush with the top wall of the top shell; the positioning block is arranged on the bottom wall of the bottom shell and is arranged close to the insertion end of the insertion part.

[0012] Optionally, the water outlet joint includes a plurality of columnar plugs, all of which are arranged in parallel, and the axial direction of the plug is arranged parallel to the depth direction of the slot; the tail end of the plug is used to communicate with the pipe of the blanket body, and the head end of the plug is used to communicate with the water tank of the host.

[0013] Optionally, the water outlet joint is provided with a limiting boss, the inner wall of the pressing part is provided with a limiting cylinder, the limiting cylinder is coaxially arranged with the limiting boss, the bottom end of the reset spring is sleeved on the outside of the limiting boss, and the top end of the reset spring is coaxially embedded in the limiting cylinder.

[0014] Optionally, a plurality of positioning protrusions are provided on the top surface of the bottom shell near the tail end of the plug body, and when the bottom shell and the top shell are covered, the positioning protrusions are sandwiched between the top shell and the bottom shell.

[0015] A water heating blanket comprises: a host; a blanket body; and any one of the above-mentioned connector assemblies, wherein the plug body is connected to the blanket body through a pipe, and the socket is provided on the host; when the plug body is plugged into the socket, the blanket body is connected to the host.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0017] The utility model provides a connector assembly, which adopts a split design of a plug body and a socket, so that the plug body connected to the blanket body through a pipe and a host provided with a socket can be quickly plugged in and out. On this basis, by providing a positioning block and a positioning groove, the positioning block is provided on the side wall of the plug body. During insertion, the positioning block can only be plugged in when the positioning block is aligned with the positioning groove, thereby preventing the plug body from being inserted incorrectly or reversely. On this basis, a locking pressure piece is provided, one side of which is connected to the plug body, and a claw is provided on the other side opposite to the positioning block, and a locking edge is provided on the socket. The engagement between the claw and the locking edge effectively fixes the detachable connection between the plug body and the socket. During use, whether inserting or removing, the claw and the locking edge can be separated by pressing the locking pressure piece, thereby allowing free insertion and removal. After insertion is completed, the claw can be automatically engaged with the locking edge by releasing the pressing finger, thereby preventing the plug body from being separated from the socket. Through the interaction of the above-mentioned features, the connector assembly can effectively solve the problems that the existing pipes for connecting the blanket body and the host cannot be quickly and detachably plugged in and out, and the insertion direction cannot be accurately determined. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:

[0019] Figure 1 A schematic diagram of a plug body of a connector assembly provided in an embodiment of the present invention;

[0020] Figure 2 A schematic diagram of a bottom shell of a plug body of a connector assembly provided by an embodiment of the present invention;

[0021] Figure 3 A half-section schematic diagram of a plug body of a connector assembly provided by an embodiment of the present invention;

[0022] Figure 4 A schematic diagram of a host provided by an embodiment of the present utility model;

[0023] Figure 5 A partially enlarged schematic diagram of a half-section of a host provided by an embodiment of the present utility model;

[0024] Figure 6 This is a partially enlarged schematic diagram of the host provided by an embodiment of the utility model.

[0025] Markings and corresponding parts names in the accompanying drawings:

[0026] 1-main unit; 10-plug body; 101-housing; 102-top shell; 103-bottom shell; 104-clip; 105-water outlet connector; 1051-plug; 107-limiting boss; 108-positioning bump; 109-limiting ring edge; 11-embedded groove; 12-positioning block; 20-socket; 21-slot; 211-positioning groove; 22-clip edge; 30-locking pressure piece; 31-claw; 32-pressing part; 321-anti-slip pattern; 322-limiting cylinder. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation methods of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0028] Example

[0029] Please refer to Figures 1 to 6 This embodiment provides a connector assembly, including a plug body 10, the plug body 10 is connected to the blanket body through a pipe, the plug body 10 is provided with an insertion portion, and a positioning block 12 is protruded from the side wall of the insertion portion; the second includes a socket 20, the socket 20 has a slot 21 matching the insertion portion, the socket 20 has a clamping edge 22, and the slot wall of the slot 21 has a positioning groove 211 matching the positioning block 12; the third includes a locking pressure piece 30, the locking pressure piece 30 is provided on the side wall of the plug body 10, and the plane where the locking pressure piece 30 is located is parallel to the depth direction of the slot 21. The side of the locking pressure piece 30 away from the insertion part is connected to the plug body 10, so that the side of the locking pressure piece 30 close to the insertion part can be elastically pressed toward the inner side of the plug body 10, and the side of the locking pressure piece 30 close to the insertion part is provided with a claw 31 matching the card edge 22; when the insertion part is plugged into the slot 21, the claw 31 is engaged with the card edge 22, and the positioning block 12 is inserted into the positioning groove 211; when the side of the locking pressure piece 30 close to the insertion part is elastically pressed toward the inner side of the plug body 10, the claw 31 is separated from the card edge 22.

[0030] The connector assembly provided in this embodiment adopts a split design of the plug body 10 and the socket 20, so that the plug body 10 connected to the blanket body through the pipe and the host provided with the socket 20 can be quickly plugged in and out; on this basis, by providing a positioning block 12 and a positioning groove 211, the positioning block 12 is provided on the side wall of the plug body. When inserting, the plug can only be plugged in when the positioning block 12 is aligned with the positioning groove 211, thereby avoiding the situation where the plug body 10 is inserted incorrectly or reversely; by providing a locking pressure piece 30, one side of it is connected to the plug body 10, and a claw 31 is provided on the other side opposite to it, and a locking piece 30 is provided on the socket 20. The latching edge 22 effectively fixes the detachable connection between the plug body 10 and the socket 20 by means of the latching connection between the latching claw 31 and the latching edge 22. When in use, whether inserting or pulling out, the latching claw 31 can be separated from the latching edge 22 by pressing the locking pressure piece 30, so that it can be freely plugged in and out. After the insertion is completed, the pressing finger can be released to make the latching claw 31 automatically engage with the latching edge 22, thereby preventing the plug body 10 from being separated from the socket 20. Through the mutual cooperation of the above-mentioned features, the connector assembly can effectively solve the problem that the existing pipes for connecting the blanket body and the host cannot be quickly and detachably plugged in and out, and the insertion direction cannot be accurately determined.

[0031] It should be noted that the connection between the locking pressing piece 30 and the plug body 10 can be achieved by a torsion spring, or by making the locking pressing piece 30 itself out of an elastic material.

[0032] In order to further limit the pressing degree of the locking pressing piece 30 and avoid excessive pressing, a side wall of the plug body 10 is provided with an embedding groove 11 , the shape of which matches the locking pressing piece 30 .

[0033] In order to prevent the locking pressure piece 30 from scratching the bottom of the groove 11, the plug body 10 includes a shell 101 and a water outlet connector 105, and the water outlet connector 105 is arranged in the shell 101; the shell 101 includes a top shell 102 and a bottom shell 103, and the groove 11 is arranged in the top shell 102 and passes through the top shell 102 along the thickness direction; a return spring is sandwiched between the inner wall of the locking pressure piece 30 and the inner wall of the shell 101.

[0034] Through the above arrangement, the locking pressing piece 30 can be elastically supported and elastically limited by the return spring.

[0035] In order to further explain the specific shape of the locking pressure piece 30, the locking pressure piece 30 is in the shape of a strip extending along the depth direction of the slot 21; a circular pressing portion 32 is provided in the middle of the locking pressure piece 30, and the edge of the pressing portion 32 is arranged close to the tail end of the insertion portion; the outer surface of the pressing portion 32 is provided with an anti-slip pattern 321.

[0036] The pressing portion 32 is provided to increase the contact area with the finger, making it easier to press. The anti-slip pattern 321 is provided to prevent unnecessary slipping of the finger at the pressing point.

[0037] In order to limit the insertion of the insertion part, the size of the insertion part is smaller than the size of the plug body 10, so that the plug body 10 is located at the tail end of the insertion part to form a limiting ring edge 109; the shape of the slot 21 matches the shape of the insertion part, and when the claw 31 is engaged with the clamping edge 22, the limiting ring edge 109 abuts against the notch of the slot 21.

[0038] In order to further explain the specific shape of the shell 101, the top shell 102 and the bottom shell 103 are symmetrically arranged and are detachably connected by a number of clips 104; the locking pressure piece 30 is arranged on the top wall of the top shell 102, and the outer surface of the locking pressure piece 30 is flush with the top wall of the top shell 102; the positioning block 12 is arranged on the bottom wall of the bottom shell 103 and is arranged close to the insertion end of the insertion part.

[0039] The above arrangement facilitates the installation of the water outlet connector 105 .

[0040] To further explain the specific structure of the water outlet connector 105, the water outlet connector 105 includes a plurality of columnar plugs 1051, all of which are arranged in parallel, and the axial direction of the plugs 1051 is arranged parallel to the depth direction of the slot 21; the tail end of the plug 1051 is used to communicate with the pipe of the blanket body, and the head end of the plug 1051 is used to communicate with the water tank of the host.

[0041] In order to effectively fix the reset spring, the water outlet joint 105 is provided with a limiting boss 107, and the inner wall of the pressing part 32 is provided with a limiting cylinder 322. The limiting cylinder 322 is coaxially arranged with the limiting boss 107. The bottom end of the reset spring is sleeved on the outside of the limiting boss 107, and the top end of the reset spring is coaxially embedded in the limiting cylinder 322.

[0042] In order to firmly fix the insulation cloth cover wrapped around the water pipe, a plurality of positioning protrusions 108 are protruded from the top surface of the bottom shell 103 near the tail end of the plug body 10. When the bottom shell 103 and the top shell 102 are covered, the positioning protrusions 108 are clamped between the top shell 102 and the bottom shell 103.

[0043] Through the above arrangement, the heat-insulating cloth cover arranged between the top shell 102 and the bottom shell 103 can be pressed tightly by the positioning protrusions 108 .

[0044] Please refer to further Figures 1 to 5This embodiment also provides a water-heating blanket, which is characterized in that it includes: a host 1, a second blanket body (not shown); a third connector assembly as described above, the plug body 10 is connected to the blanket body through a pipe, and the socket 20 is provided on the host 1; when the plug body 10 is plugged into the socket 20, the blanket body is connected to the host 1.

[0045] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A joint assembly, characterized in that: include: A plug body (10), the plug body (10) being in communication with the blanket body through a pipe, the plug body (10) being provided with an insertion portion, and a positioning block (12) being protruding from a side wall of the insertion portion; A socket (20), wherein the socket (20) is provided with a slot (21) matching the insertion portion, the socket (20) is provided with a clamping edge (22), and a groove wall of the slot (21) is provided with a positioning groove (211) matching the positioning block (12); A locking pressure piece (30), the locking pressure piece (30) is arranged on the side wall of the plug body (10), the plane where the locking pressure piece (30) is located is arranged parallel to the depth direction of the slot (21), the side of the locking pressure piece (30) away from the insertion portion is connected to the plug body (10), so that the side of the locking pressure piece (30) close to the insertion portion can be elastically pressed toward the inner side of the plug body (10), and the side of the locking pressure piece (30) close to the insertion portion is provided with a claw (31) that matches the clamping edge (22); When the insertion portion is plugged into the slot (21), the clamping claw (31) is engaged with the clamping edge (22), and the positioning block (12) is inserted into the positioning groove (211); When the locking pressing piece (30) is elastically pressed toward the inner side of the plug body (10) on the side close to the insertion portion, the clamping claw (31) is separated from the clamping edge (22).

2. The joint assembly according to claim 1, wherein: A side wall of the plug body (10) is provided with an embedding groove (11), and the shape of the embedding groove (11) matches the locking pressing piece (30).

3. The joint assembly according to claim 2, wherein: The plug body (10) comprises a housing (101) and a water outlet connector (105), wherein the water outlet connector (105) is disposed in the housing (101); The housing (101) comprises a top shell (102) and a bottom shell (103); the embedding groove (11) is provided on the top shell (102) and passes through the top shell (102) along the thickness direction; A return spring is sandwiched between the inner wall of the locking pressing piece (30) and the inner wall of the housing (101).

4. The joint assembly according to claim 3, wherein: The locking pressing piece (30) is in the shape of a strip extending along the depth direction of the slot (21); A circular pressing portion (32) is provided in the middle of the locking pressing piece (30), and the edge of the pressing portion (32) is arranged close to the tail end of the insertion portion; The outer surface of the pressing portion (32) is provided with anti-slip lines (321).

5. The joint assembly according to claim 4, wherein: The size of the insertion portion is smaller than the size of the plug body (10), so that the plug body (10) is located at the rear end of the insertion portion to form a limiting ring edge (109); The shape of the slot (21) matches the shape of the insertion portion, and when the clamping claw (31) is engaged with the clamping edge (22), the limiting ring edge (109) abuts against the notch of the slot (21).

6. The joint assembly according to claim 5, wherein: The top shell (102) and the bottom shell (103) are symmetrically arranged and detachably connected via a plurality of buckles (104); The locking pressing piece (30) is provided on the top wall of the top shell (102), and the outer surface of the locking pressing piece (30) is flush with the top wall of the top shell (102); The positioning block (12) is arranged on the bottom wall of the bottom shell (103) and is arranged close to the insertion end of the insertion portion.

7. The joint assembly according to claim 6, wherein: The water outlet connector (105) comprises a plurality of columnar plugs (1051), all of the plugs (1051) are arranged in parallel, and the axial direction of the plugs (1051) is arranged in parallel with the depth direction of the slot (21); The tail end of the plug (1051) is used to communicate with the pipe of the blanket body, and the head end of the plug (1051) is used to communicate with the water tank of the host.

8. The joint assembly according to claim 7, wherein: The water outlet joint (105) is provided with a limiting boss (107), and the inner wall of the pressing portion (32) is provided with a limiting cylinder (322). The limiting cylinder (322) is coaxially arranged with the limiting boss (107), and the bottom end of the reset spring is sleeved outside the limiting boss (107), and the top end of the reset spring is coaxially embedded in the limiting cylinder (322).

9. The joint assembly according to claim 8, wherein: A plurality of positioning protrusions (108) are provided on the top surface of the bottom shell (103) near the tail end of the plug body (10); when the bottom shell (103) and the top shell (102) are covered, the positioning protrusions (108) are sandwiched between the top shell (102) and the bottom shell (103).

10. A water heating blanket, characterized in that: include: Host (1); Blanket body; The connector assembly according to any one of claims 1 to 9, wherein the plug body (10) is connected to the blanket body through a pipe, and the socket (20) is provided on the host (1); When the plug body (10) is plugged into the socket (20), the blanket body is connected to the host (1).