Detachable connector

Abstract

The present invention relates to the technical field of connectors, and provides a detachable connector comprising a first cylinder, a second cylinder with one end inserted in the first cylinder, a third cylinder sleeved and fixed on the other end of the second cylinder, a fourth cylinder sleeved on the outside of the third cylinder and slidable relative to the third cylinder, a first conductive terminal arranged in the first cylinder, and a second conductive terminal arranged in the second cylinder and plugged into the first conductive terminal; a first hook is arranged on the third cylinder, and a recessed portion for the first hook to hook is arranged on the outer surface of the first cylinder; a second hook is arranged on the fourth cylinder; when the fourth cylinder slides relative to the third cylinder, the second hook hooks the first hook and pulls the first hook out of the recessed portion. When the fourth cylinder is slid, the second hook on the fourth cylinder hooks the first hook and then pulls the hook out of the recessed portion, thereby realizing the first hook being unhooked from the recessed portion.

Description

Technical Field

[0001] The present invention belongs to the technical field of connectors, and more specifically, relates to a detachable connector. Background Art

[0002] In modern life, connectors (connectors: used to conduct circuits and / or detachably connect different components) are widely used to connect various wires. The two shells of the connector are usually plugged in, but they are easy to loosen after plugging in, and the external environment can easily interfere (such as impact) with the plugging position, causing looseness, which seriously affects the firmness of the connector connection. Summary of the invention

[0003] The object of the present invention is to provide a detachable connector to solve the technical problem in the prior art that the external environment can easily interfere with the connection firmness of the connector.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide a detachable connector including a first cylinder, a second cylinder with one end inserted in the first cylinder, a third cylinder sleeved and fixed on the other end of the second cylinder, a fourth cylinder sleeved on the outside of the third cylinder and slidable relative to the third cylinder, a first conductive terminal arranged in the first cylinder, and a second conductive terminal arranged in the second cylinder and plugged into the first conductive terminal; a first hook is arranged on the third cylinder, and a recessed portion for the first hook to hook is arranged on the outer surface of the first cylinder; a second hook is arranged on the fourth cylinder; when the fourth cylinder slides relative to the third cylinder, the second hook hooks the first hook and pulls the first hook out of the recessed portion.

[0005] Furthermore, the recessed portion is an annular groove arranged on the outer surface of the first cylinder.

[0006] Furthermore, the third cylinder and the first hook are respectively located in the space surrounded by the fourth cylinder.

[0007] Furthermore, anti-slip patterns are arranged on the outer surface of the fourth cylinder.

[0008] Furthermore, the second hook body is located at the edge of the fourth cylinder body.

[0009] Furthermore, a predetermined gap is left between the third cylinder and the fourth cylinder.

[0010] Furthermore, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are respectively coaxially arranged.

[0011] Further, the first hook body includes an elastic plate and a barb having a first guide surface and extending into the recessed portion, one end of the elastic plate is connected to the barb, and the other end of the elastic plate is connected to the third cylinder; the second hook body is arranged on the inner wall of the fourth cylinder, and the second hook body is located on the moving path of the first guide surface; in the direction of sliding along the first guide surface toward the second hook body, the first guide surface is gradually farther away from the axis of the first cylinder.

[0012] Furthermore, a convex ridge is arranged on the outer surface of the third cylinder, and a groove extending along the circumferential direction of the inner wall of the fourth cylinder and for the convex ridge to be inserted is arranged on the inner wall of the fourth cylinder.

[0013] Furthermore, the inner wall of the fourth cylinder has a second guiding surface for guiding the convex ridge to slide into the groove.

[0014] The beneficial effects of the detachable connector provided by the present invention are as follows: compared with the prior art, in the detachable connector provided by the present invention, when one end of the second cylinder is inserted into the first cylinder, the first conductive terminal in the first cylinder and the second conductive terminal in the second cylinder are connected to each other to conduct electricity; the first cylinder is sleeved on the second cylinder, which enhances the stability of the relative position between the second cylinder and the first cylinder and is not easy to separate from each other; the second cylinder and the first cylinder are connected to each other for the circuit to pass through; the first hook is arranged on the third cylinder, and the third cylinder is sleeved and fixed on the second cylinder, so that the first hook can be more stably arranged on the second cylinder through the third cylinder. The first hook body and the second cylinder body are not easy to separate; when the first hook body is hooked in the recessed part, the first cylinder body is hooked on the second cylinder body through the first hook body, which enhances the firmness of the connection between the second cylinder body and the first cylinder body and is not easy to loosen; the fourth cylinder body is sleeved outside the third cylinder body to effectively protect the third cylinder body and reduce the influence of the external environment on the third cylinder body; if the first hook body needs to be unhooked from the recessed part, it is only necessary to slide the fourth cylinder body so that the second hook body on the fourth cylinder body hooks the first hook body and pull the first hook body out of the recessed part, thereby releasing the lock between the first cylinder body and the second cylinder body, making it convenient for the user to separate the first cylinder body from the second cylinder body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic front view of a detachable connector provided by an embodiment of the present invention;

[0017] Figure 2 A schematic diagram of an axial cross section (based on the axis of the first cylinder) of a detachable connector provided in an embodiment of the present invention;

[0018] Figure 3 A schematic diagram of the installation of the axial cross-section of the third cylinder and the fourth cylinder (based on the axis of the third cylinder) provided in an embodiment of the present invention;

[0019] Figure 4 A three-dimensional schematic diagram of a fourth cylinder provided in an embodiment of the present invention;

[0020] Figure 5 A schematic diagram of the installation of an axial cross section (based on the axis of the fourth cylinder) of a fourth cylinder provided by an embodiment of the present invention;

[0021] Figure 6 A three-dimensional schematic diagram of a third cylinder and a first hook provided in an embodiment of the present invention;

[0022] Figure 7 A schematic diagram of the installation of an axial cross section (based on the axis of the third cylinder) of the third cylinder and the first hook provided in an embodiment of the present invention;

[0023] Figure 8 A schematic diagram of the installation of an axial cross section of a first cylinder (based on the axis of the first cylinder) provided by an embodiment of the present invention;

[0024] Fig. 9 A schematic installation diagram of an axial cross section of a second cylinder (based on the axis of the second cylinder) provided in an embodiment of the present invention.

[0025] Among them, the reference numerals in the figure are:

[0026] 11-first cylinder; 111-recessed portion; 12-second cylinder; 13-third cylinder; 131-convex ridge; 14-fourth cylinder; 141-anti-slip pattern; 142-second guide surface; 143-groove; 21-first hook; 211-elastic plate; 212-barb; 213-first guide surface; 22-second hook. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] Please also read Figures 1 to 9 , the detachable connector provided by the present invention is now described. The detachable connector includes a first barrel 11 (barrel: a tubular object with a through hole; optionally, in one embodiment, the barrel is a cylinder; specifically, in one embodiment, the axis of the cylinder is a straight line), a second barrel 12 with one end inserted in the first barrel 11, a third barrel 13 sleeved and fixed on the other end of the second barrel 12, a fourth barrel 14 sleeved on the outside of the third barrel 13 and slidable relative to the third barrel 13, a first conductive terminal (not shown) arranged in the first barrel 11, and a second conductive terminal (not shown) arranged in the second barrel 12 and plugged into the first conductive terminal; a first hook 21 is arranged on the third barrel 13, and a recess 111 for the first hook 21 to hook is arranged on the outer surface of the first barrel 11; a second hook 22 is arranged on the fourth barrel 14; when the fourth barrel 14 slides relative to the third barrel 13, the second hook 22 hooks the first hook 21 and pulls the first hook 21 out of the recess 111.

[0032] In this way, when one end of the second cylinder 12 is inserted into the first cylinder 11, the first conductive terminal in the first cylinder 11 and the second conductive terminal in the second cylinder 12 are connected to each other to conduct electricity; the first cylinder 11 is sleeved on the second cylinder 12, which enhances the stability of the relative position between the second cylinder 12 and the first cylinder 11, and is not easy to separate from each other; the second cylinder 12 and the first cylinder 11 are connected to each other for the circuit to pass through; the first hook 21 is set on the third cylinder 13, and the third cylinder 13 is sleeved and fixed on the second cylinder 12, so that the first hook 21 can be more stably set on the second cylinder 12 through the third cylinder 13, and the first hook 21 and the second cylinder 12 are not easy to separate; the first hook When the first cylinder 11 is hooked in the recessed portion 111, the first cylinder 11 is hooked on the second cylinder 12 through the first hook 21, which enhances the firmness of the connection between the second cylinder 12 and the first cylinder 11 and is not easy to loosen; the fourth cylinder 14 is sleeved outside the third cylinder 13 to effectively protect the third cylinder 13 and reduce the impact of the external environment on the third cylinder 13; if the first hook 21 needs to be unhooked from the recessed portion 111, it is only necessary to slide the fourth cylinder 14 so that the second hook 22 on the fourth cylinder 14 hooks the first hook 21 and pull the first hook 21 out of the recessed portion 111, thereby releasing the lock between the first cylinder 11 and the second cylinder 12, making it convenient for the user to separate the first cylinder 11 and the second cylinder 12.

[0033] Optionally, in one embodiment, as soon as the fourth cylinder 14 slides, the second hook 22 hooks the first hook 21 and pulls the first hook 21 out of the recess 111; in another embodiment, after the fourth cylinder 14 slides a certain distance, the second hook 22 hooks the first hook 21 and pulls the first hook 21 out of the recess 111.

[0034] Optionally, in one embodiment, the first conductive terminal and the second conductive terminal are copper terminals respectively.

[0035] Optionally, in one embodiment, the third cylinder 13 is detachably fixed to the second cylinder 12. In this way, the installation and removal of the third cylinder 13 are facilitated.

[0036] Optionally, in one embodiment, a first annular groove is provided on the outer surface of the second cylinder 12, and a second annular groove is provided on the inner wall of the third cylinder 13. The first annular groove and the second annular groove enclose a receiving channel, and a limiting member is filled in the receiving channel. In this way, when the third cylinder 13 is fixed to the second cylinder 12, it is only necessary to align the first annular groove and the second annular groove with the receiving channel and fill the limiting member in the receiving channel.

[0037] Optionally, in one embodiment, the limiting member is a snap ring. In this way, after the snap ring is filled in the accommodating channel, the snap ring is not easy to be separated from the accommodating channel due to its own elasticity, thereby preventing the second cylinder 12 and the third cylinder 13 from being separated from each other.

[0038] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the recessed portion 111 is an annular groove arranged on the outer surface of the first cylinder 11. In this way, the first hook 21 can slide along the first cylinder 11 at different positions and can be easily inserted into the groove.

[0039] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the third cylinder 13 and the first hook 21 are respectively located in the space surrounded by the fourth cylinder 14. In this way, the fourth cylinder 14 can simultaneously protect the third cylinder 13 and the first hook 21 from being affected, thereby reducing the external environment from affecting the third cylinder 13 or the first hook 21 and causing the first hook 21 to be unhooked.

[0040] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, an anti-skid pattern 141 is provided on the outer surface of the fourth cylinder 14. In this way, when the user needs to slide the first cylinder 11, the anti-skid pattern 141 can prevent slipping.

[0041] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the second hook body 22 is located at the edge of the fourth cylinder 14. In this way, it is easier to process the second hook body 22, and the second hook body 22 can prevent the first hook body 21 in the fourth cylinder 14 from sliding out of the fourth cylinder 14.

[0042] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, a predetermined gap is left between the third cylinder 13 and the fourth cylinder 14. In this way, the gap between the third cylinder 13 and the fourth cylinder 14 can provide movement space for the first hook 21 when it is bent and deformed, thereby reducing the possibility of the first hook 21 getting stuck.

[0043] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the first barrel 11, the second barrel 12, the third barrel 13 and the fourth barrel 14 are respectively coaxially arranged. In this way, the first barrel 11 and the second barrel 12 are more easily plugged in and are not likely to collide with each other; the fourth barrel 14 is more convenient than the third barrel 13 and is not likely to collide with each other.

[0044] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the direction in which the second hook 22 hooks the first hook 21 is a direction extending along the third cylinder 13 and away from the first cylinder 11. In this way, after the first hook 21 hooks the first cylinder 11, the user pulls the fourth cylinder 14 along the third cylinder 13 in a direction away from the first cylinder 11 to hook the first hook 21 to unhook the first hook 21, which is very convenient to operate.

[0045] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the first hook body 21 includes an elastic plate 211 and a barb 212 having a first guide surface 213 and extending into the recessed portion 111, one end of the elastic plate 211 is connected to the barb 212, and the other end of the elastic plate 211 is connected to the third cylinder 13; the second hook body 22 is arranged on the inner wall of the fourth cylinder 14, and the second hook body 22 is located on the moving path of the first guide surface 213; in the direction of sliding along the first guide surface 213 toward the second hook body 22 (when the second hook body 22 slides toward the first guide surface 213, it is also equivalent to the first guide surface 213 sliding toward the second hook body 22), the first guide surface 213 is gradually farther away from the axis of the first cylinder 11. In this way, since the first guide surface 213 is located on the moving path of the second hook body 22, and in the direction of sliding along the first guide surface 213 toward the second hook body 22, the first guide surface 213 is gradually away from the axis of the first cylinder 11; when the first guide surface 213 moves toward the second hook body 22 (equivalent to the second hook body 22 sliding toward the first guide surface 213) and abuts against the second hook body 22 and then continues to move, the barb 212 moves in the axial direction away from the first cylinder 11 under the guidance of the first guide surface 213 (wherein, when the barb 212 moves in the axial direction away from the first cylinder 11, the elastic plate 211 bends to adapt to the above movement) to release (wherein, release can be that the barb 212 is completely unhooked from the recessed portion 111, and release can also be to reduce the tightness of the barb 212 hooked on the recessed portion 111 so that the user can separate the barb 212) the hooked first cylinder 11.

[0046] Optionally, in one embodiment, the elastic plate 211 and the barb 212 are made of copper, respectively. In this way, copper has good toughness.

[0047] Optionally, in one embodiment, the first guide surface 213 is a plane. In this way, the plane is easy to process, and the second hook body 22 is not easily hindered when moving on the plane.

[0048] Optionally, in one embodiment, the elastic plate 211 extends along the axial direction of the third cylinder 13. In this way, when the third cylinder 13 slides relative to the fourth cylinder 14, the elastic plate 211 is not likely to collide with the inner wall of the fourth cylinder 14.

[0049] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, a convex rib 131 is provided on the outer surface of the third barrel 13, and a groove 143 is provided on the inner wall of the fourth barrel 14, which extends along the circumferential direction of the inner wall of the fourth barrel 14 and is provided for the convex rib 131 to be inserted into. In this way, the convex rib 131 on the third barrel 13 is inserted into the groove 143 on the inner wall of the fourth barrel 14, so that the third barrel 13 can be restricted in the fourth barrel 14 to prevent the third barrel 13 from sliding out of the fourth barrel 14; in addition, since the groove 143 extends along the circumferential direction of the inner wall of the fourth barrel 14, the convex rib 131 can slide into the groove 143 from multiple positions on the inner wall of the fourth barrel 14 along the axial direction of the fourth barrel 14; wherein, when the third barrel 13 slides along the fourth barrel 14, the convex rib 131 moves in the groove 143.

[0050] For further information, see Figures 1 to 9 As a specific embodiment of the detachable connector provided by the present invention, the inner wall of the fourth cylinder 14 has a second guide surface 142 for guiding the ridge 131 to slide into the groove 143. In this way, the ridge 131 can slide into the groove 143 more easily through the second guide surface 142.

[0051] Optionally, in one embodiment, the number of the elastic plate 211, the barb 212, and the second hook body 22 is multiple; the multiple elastic plates 211, the multiple barbs 212, and the multiple second hook bodies 22 correspond to each other. In this way, the multiple barbs 212 hook the external object more firmly.

[0052] Optionally, in one embodiment, the plurality of second hook bodies 22 are integrally formed. In this way, the plurality of barbs 212 can cooperate with the plurality of second hook bodies 22 connected together, and the plurality of second hook bodies 22 connected together are more firmly.

[0053] Optionally, in one embodiment, each elastic plate 211 is sequentially arranged on the annular bottom surface of one end of the third cylinder 13; in the extension direction of the annular bottom surface of the third cylinder 13, the spacing between adjacent elastic plates 211 is the same. In this way, the external force exerted on each barb 212 can be evenly distributed to the annular bottom surface of the third cylinder 13 through the elastic plate 211.

[0054] Optionally, in one embodiment, a plurality of elastic plates 211 enclose a receiving cavity having an opening for an external object to be inserted into; each barb 212 extends into the receiving cavity. In this way, if an external object needs to be hooked, it is only necessary to insert the external object into the receiving cavity from the opening, and the barb 212 can prevent the external object from escaping from the opening after hooking the object.

[0055] Optionally, in one embodiment, the barb 212 and the elastic plate 211 are integrated to be more secure, and copper has good toughness to adapt to deformation.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A detachable connector, characterized in that: The invention comprises a first cylinder, a second cylinder with one end inserted in the first cylinder, a third cylinder sleeved and fixed on the other end of the second cylinder, a fourth cylinder sleeved on the outside of the third cylinder and slidable relative to the third cylinder, a first conductive terminal arranged in the first cylinder, and a second conductive terminal arranged in the second cylinder and plugged with the first conductive terminal; a first hook is arranged on the third cylinder, and a concave portion for the first hook to hook is arranged on the outer surface of the first cylinder; a second hook is arranged on the fourth cylinder; when the fourth cylinder slides relative to the third cylinder, the second hook hooks the first hook and pulls the first hook out of the concave portion; A first annular groove is provided on the outer surface of the second cylinder, and a second annular groove is provided on the inner wall of the third cylinder. The first annular groove and the second annular groove are enclosed to form a receiving channel, and a limiting member is filled in the receiving channel. After the first annular groove and the second annular groove are aligned to form the receiving channel and the limiting member is filled in the receiving channel, the third cylinder can be fixed on the second cylinder. The limiting member is a snap ring. After the snap ring is filled in the receiving channel, the snap ring is not easy to be separated from the receiving channel due to its own elasticity to prevent the second cylinder and the third cylinder from being separated from each other. The outer surface of the third cylinder is provided with a convex ridge, and the inner wall of the fourth cylinder is provided with a groove extending along the circumferential direction of the inner wall of the fourth cylinder and for the convex ridge to be inserted into.

2. The detachable connector according to claim 1, characterized in that: The recessed portion is an annular groove arranged on the outer surface of the first cylinder.

3. The detachable connector according to claim 1, wherein: The third cylinder and the first hook are respectively located in the space surrounded by the fourth cylinder.

4. The detachable connector according to claim 1, wherein: Anti-slip patterns are arranged on the outer surface of the fourth cylinder.

5. The detachable connector according to claim 1, wherein: The second hook body is located at the edge of the fourth cylinder body.

6. The detachable connector according to claim 1, wherein: A predetermined gap is left between the third cylinder and the fourth cylinder.

7. The detachable connector according to claim 1, wherein: The first cylinder, the second cylinder, the third cylinder and the fourth cylinder are respectively coaxially arranged.

8. The detachable connector according to any one of claims 1 to 7, characterized in that: The first hook body includes an elastic plate and a barb having a first guide surface and extending into the recessed portion, one end of the elastic plate is connected to the barb, and the other end of the elastic plate is connected to the third cylinder; the second hook body is arranged on the inner wall of the fourth cylinder, and the second hook body is located on the moving path of the first guide surface; in the direction of sliding along the first guide surface toward the second hook body, the first guide surface is gradually farther away from the axis of the first cylinder.

9. The detachable connector according to claim 1, wherein: The inner wall of the fourth cylinder is provided with a second guiding surface for guiding the convex edge to slide into the groove.

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