Hidden joint heating wire

Abstract

The utility model discloses a hidden joint heating wire, which relates to the technical field of heating wires, and comprises a wire body, two ends of the wire body are respectively and fixedly provided with a connecting male head and a connecting female head, the cross section of the connecting male head and the cross section of the connecting female head are both arranged to be of an L-shaped structure, and the connecting male head and the connecting female head are both arranged to be of a cylindrical structure. The connecting male head and the connecting female head are arranged at the two ends of the wire bodies respectively, the connecting male head and the connecting female head can achieve circuit connection between the two wire bodies through the connecting grooves and the connecting contact pieces on the outer sides of the connecting male head and the connecting female head, and the connecting male head and the connecting female head are arranged to be of cylindrical structures corresponding to the wire bodies. And after the connection male head and the connection female head are combined, the flatness of the surface of the wire body is not influenced, so that the laying use of the wire body is not influenced while the connection expansion of the wire body is realized, and the application range of the wire body is effectively expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of heating wires, in particular to a hidden joint heating wire. Background Art

[0002] Existing high-end cars are generally equipped with car seat heating pads on their car seats. As an important component of the car seat heating pads, the car seat heating wires are the important components. The quality of the car seat heating wires directly affects the heating effect of the car seats.

[0003] For example, a high-efficiency heat dissipation type car seat heating wire with publication number CN204993914U includes an internal bulletproof wire (1), characterized in that a flat wire (2) is wound around the outer surface of the bulletproof wire (1), the flat wire (2) is a heating alloy wire, the outer surface of the flat wire (2) is covered with a sheath (3), the flat wire (2) forms a surface contact with the bulletproof wire (1), and the flat wire (2) forms a surface contact with the sheath (3). The utility model high-efficiency heat dissipation type car seat heating wire has the advantages of high heat dissipation efficiency and long service life.

[0004] The above technical solution has some problems in practical application. In actual application, the heating wire needs to select an appropriate length according to its use environment. When the heating wire is not long enough, multiple heating wires are required to be connected. The connection points of traditional heating wires will produce bulges due to the connection, which will cause the car seat to be uneven.

[0005] Therefore, it is necessary to invent a hidden joint heating wire to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to provide a hidden joint heating wire to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hidden joint heating wire, comprising a wire body, wherein a connecting male head and a connecting female head are fixedly installed at both ends of the wire body, the cross-sections of the connecting male head and the connecting female head are both set to an "L"-shaped structure, the connecting male head and the connecting female head are both set to a cylindrical structure, the protruding parts of the connecting male head and the connecting female head are both provided with connecting grooves, the recessed parts of the connecting male head and the connecting female head are both fixedly provided with connecting contacts, and the connecting contacts correspond to the connecting grooves, the lower surface of the connecting male head is provided with a slot, the upper surface of the connecting female head is provided with a slide groove, the interior of the slide groove is provided with an insert block, and the outer side of the insert block is set to an arc structure, the bottom end of the insert block is fixedly provided with a movable seat, one end of the movable seat is fixedly provided with a pin rod, and the pin rod is rotatably provided inside the slide groove.

[0008] Preferably, a movable arm is movably provided on one end of the lower surface of the movable seat through a pin, and the movable arm is arranged inside the sliding groove.

[0009] Preferably, a through groove is provided through the bottom of the chute, and an extension groove is provided at the groove opening of the through groove.

[0010] Preferably, a rubber slider is provided inside the extension groove, and the top end of the rubber slider is movably connected to the bottom end of the movable arm through a pin shaft.

[0011] Preferably, both ends of the wire body are provided with mounting grooves, and the mounting grooves are arranged in an annular structure.

[0012] Preferably, an annular sleeve is provided inside the installation groove, a movable sleeve is provided on one side of the annular sleeve, and the movable sleeve is sleeved and provided on the outside of the connecting male head and the connecting female head.

[0013] The technical effects and advantages of this utility model are:

[0014] 1. The utility model provides a connecting male head and a connecting female head at both ends of the wire body. The connecting male head and the connecting female head can realize the circuit connection between the two wire bodies through the connecting groove and the connecting contact piece on the outer side thereof. In addition, the connecting male head and the connecting female head are both provided with a cylindrical structure corresponding to the wire body. After the connecting male head and the connecting female head are assembled, they do not affect the flatness of the wire body surface, thereby realizing the extension of the wire body connection without affecting the laying and use of the wire body, effectively improving the application range of the wire body;

[0015] 2. The utility model provides a slot on the lower surface of the male connector and a slide groove on the upper surface of the female connector. An insert block is provided inside the slide groove. The insert block cooperates with the slot to lock the position between the male connector and the female connector to ensure the connection stability of the wire body. By providing installation grooves at both ends of the wire body, an annular sleeve is provided in the installation groove, and a movable sleeve is provided on the outside of the annular sleeve. The movable sleeve can wrap and cover the male connector and the female connector to improve the stability of the wire body after connection, thereby improving the stability of the wire body during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is an exploded view of the overall structure of the utility model.

[0018] Figure 3 This is a schematic cross-sectional view of the female connector structure of the present invention.

[0019] In the figure: 1. Wire body; 2. Male connector; 3. Female connector; 4. Connecting groove; 5. Connecting contact piece; 6. Slot; 7. Slide; 8. Insert block; 9. Movable seat; 10. Pin rod; 11. Movable arm; 12. Through groove; 13. Extension groove; 14. Rubber slider; 15. Mounting groove; 16. Ring sleeve; 17. Movable sleeve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] The utility model provides Figure 1-3 The illustrated embodiment of a hidden connector heating cable comprises a cable body 1, with a male connector 2 and a female connector 3 fixedly mounted at each end of the cable body 1. The cross-sections of the male connector 2 and the female connector 3 are both L-shaped, and both are cylindrical. The protruding portions of the male connector 2 and the female connector 3 are each provided with a connecting groove 4, and the recessed portions of the male connector 2 and the female connector 3 are each fixedly provided with a connecting contact 5, and the connecting contact 5 corresponds to the connecting groove 4.

[0022] Specifically, a slot 6 is provided on the lower surface of the male connector 2, and a slide groove 7 is provided on the upper surface of the female connector 3. An insert block 8 is inserted into the slide groove 7, and the outer side of the insert block 8 is provided with an arc structure. The arc structure design facilitates the insert block 8 to be squeezed and inserted into the slide groove 7.

[0023] More specifically, a movable seat 9 is fixedly provided at the bottom end of the plug block 8, and a pin rod 10 is fixedly provided at one end of the movable seat 9, and the pin rod 10 is rotatably provided inside the slide groove 7. A movable arm 11 is movably provided at one end of the lower surface of the movable seat 9 through a pin shaft, and the movable arm 11 is provided inside the slide groove 7. A through groove 12 is provided through the bottom of the slide groove 7, and an extension groove 13 is provided at the notch of the through groove 12. A rubber slider 14 is provided inside the extension groove 13, and the top end of the rubber slider 14 is movably connected to the bottom end of the movable arm 11 through a pin shaft. The rubber slider 14 can be kept fixed in the extension groove 13 under the action of friction, thereby locking the position of the plug block 8, and when the plug block 8 is subjected to horizontal tension, it is restricted in movement by the action of the bottom movable seat 9 and the pin rod 10, so as to ensure the stability of the connection between the male connector 2 and the female connector 3;

[0024] In addition, both ends of the wire body 1 are provided with mounting grooves 15, and the mounting groove 15 is arranged as an annular structure. An annular sleeve 16 is arranged inside the mounting groove 15, and a movable sleeve 17 is arranged on one side of the annular sleeve 16. The movable sleeve 17 is sleeved and arranged on the outside of the connecting male head 2 and the connecting female head 3. The movable sleeve 17 can wrap and cover the connecting male head 2 and the connecting female head 3.

[0025] The utility model is provided with a connecting male head 2 and a connecting female head 3 at both ends of the wire body 1, and the connecting male head 2 and the connecting female head 3 can realize the circuit connection between the two wire bodies 1 through the connecting groove 4 and the connecting contact piece 5 on the outside thereof. In addition, the connecting male head 2 and the connecting female head 3 are both provided with a cylindrical structure corresponding to the wire body 1. After the connection is completed, the connecting male head 2 and the connecting female head 3 do not affect the flatness of the surface of the wire body 1, thereby realizing the connection extension of the wire body 1 without affecting the laying and use of the wire body 1, effectively improving the application range of the wire body 1. A slot 6 is provided on the surface, and a slide groove 7 is provided on the upper surface of the connecting female head 3. An insert block 8 is provided inside the slide groove 7. The insert block 8 cooperates with the slot 6 to realize locking of the position between the connecting male head 2 and the connecting female head 3 to ensure the connection stability of the wire body 1. By providing mounting grooves 15 at both ends of the wire body 1, an annular sleeve 16 is provided in the mounting groove 15, and a movable sleeve 17 is provided on the outside of the annular sleeve 16. The movable sleeve 17 can wrap and cover the connecting male head 2 and the connecting female head 3 to improve the stability of the wire body 1 after connection, thereby improving the stability of the wire body 1 during use.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hidden joint heating wire, comprising a wire body (1), characterized in that: The two ends of the wire body (1) are respectively fixedly provided with a connecting male head (2) and a connecting female head (3), the cross sections of the connecting male head (2) and the connecting female head (3) are both arranged as an "L"-shaped structure, the connecting male head (2) and the connecting female head (3) are both arranged as a cylindrical structure, the protruding parts of the connecting male head (2) and the connecting female head (3) are both provided with a connecting groove (4), the recessed parts of the connecting male head (2) and the connecting female head (3) are both fixedly provided with a connecting contact piece (5), and the connecting contact piece (5) is provided. The sheet (5) corresponds to the connecting groove (4), a slot (6) is provided on the lower surface of the connecting male head (2), a slide groove (7) is provided on the upper surface of the connecting female head (3), an insert block (8) is provided inside the slide groove (7), and the outer side of the insert block (8) is provided with an arc structure, a movable seat (9) is fixedly provided at the bottom end of the insert block (8), a pin rod (10) is fixedly provided at one end of the movable seat (9), and the pin rod (10) is rotatably provided inside the slide groove (7).

2. The hidden joint heating wire according to claim 1, characterized in that: A movable arm (11) is movably provided at one end of the lower surface of the movable seat (9) via a pin, and the movable arm (11) is arranged inside the slide groove (7).

3. The hidden joint heating wire according to claim 2, characterized in that: A through groove (12) is provided through the bottom of the chute (7), and an extension groove (13) is provided at the notch of the through groove (12).

4. The hidden joint heating wire according to claim 3, characterized in that: A rubber slider (14) is provided inside the extension groove (13), and the top end of the rubber slider (14) is movably connected to the bottom end of the movable arm (11) via a pin shaft.

5. The hidden joint heating wire according to claim 4, characterized in that: Both ends of the wire body (1) are provided with mounting grooves (15), and the mounting grooves (15) are arranged in an annular structure.

6. The hidden joint heating wire according to claim 5, characterized in that: An annular sleeve (16) is provided inside the installation groove (15), a movable sleeve (17) is provided on one side of the annular sleeve (16), and the movable sleeve (17) is sleeved and provided on the outside of the connecting male head (2) and the connecting female head (3).

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