Connector

Abstract

The utility model discloses a connector, which comprises a base, a plurality of terminals and a plurality of terminals, the current carrier can be assembled in the wiring cavity, and the current carrier comprises a wire clamping structure capable of clamping a wire; and a limiting structure capable of limiting the current carrier in the wiring cavity is arranged in the wiring cavity. According to the utility model, the current carrying body can be stably mounted in the base through the limiting structure, so that the stability of the wire in the base is ensured, the conditions of deviation, backward movement, forward movement and loosening in the long-time use process are avoided, and the current carrying body has good stability and practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a connector. Background Art

[0002] With the continuous advancement of science and technology, photovoltaic equipment is constantly upgraded and updated. When photovoltaic equipment is connected to the grid or off the grid, power connectors are required for reliable power transmission. However, the internal parts of power connectors currently on the market basically do not have a limit structure, and are only connected by plugging. They are easy to loosen during use or assembly, resulting in poor contact of the power connector in subsequent use, making the product invalid and affecting the normal use of users. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The technical problem to be solved by the utility model is to provide a connector, which can stably install the current carrier in the base through the limiting structure, thereby ensuring the stability of the wire in the base, avoiding deviation, backwardness, forwardness and looseness during long-term use, and has good stability and practicality.

[0005] (II) Technical solution

[0006] The utility model solves the above technical problems by adopting a connector, which includes

[0007] A base having a wiring cavity inside, wherein the wiring cavity passes through the base;

[0008] A current carrier, which can be assembled in the wiring cavity, and the current carrier includes a wire clamping structure capable of clamping a wire;

[0009] Wherein, a limiting structure capable of limiting the current carrier within the wiring cavity is arranged in the wiring cavity.

[0010] In some embodiments, the wire is crimped onto one end of the current carrier through a wire clamping structure to be assembled together; the assembled current carrier and wire are inserted into the wiring cavity of the base. After assembly, the other end of the current carrier away from the wire is connected to a wiring terminal, and the base is provided with an opening to open the wiring terminal; and the wiring cavity has a plurality of isolated chambers to separate the current carrier.

[0011] By adopting the above scheme, the current carrier can be stably installed in the base through the limiting structure, thereby ensuring the stability of the wire in the base and avoiding deviation, reversal, advancement and loosening during long-term use, and having good stability and practicality.

[0012] In some embodiments, the limiting structure includes a first limiting structure capable of limiting the carrier from retreating along its insertion direction, and a second limiting structure capable of limiting the carrier from advancing along its insertion direction.

[0013] By adopting the above solution, the first limiting structure and the second limiting structure cooperate to fix the current carrier in the wiring cavity to limit the forward and backward movement of the current carrier in the insertion direction.

[0014] In some embodiments, the first limiting structure includes a first limiting portion formed on the inner wall of the wiring cavity and located on the insertion track of the current carrier, so as to limit the current carrier from retreating on its insertion track.

[0015] In some embodiments, the inner wall of the wiring cavity is convex or concave to form the first limiting portion; the current carrier includes a first limiting matching portion that can cooperate with the first limiting portion to limit the position.

[0016] In some embodiments, the first limiting fitting portion is formed by the outward protrusions of the two ends of the current carrier perpendicular to its insertion direction; the first limiting portion is formed by the outward protrusions of the two side walls of the wiring cavity; and, the first limiting portion is provided with a guide end surface on the insertion side close to the current carrier, so that the current carrier can pass over the first limiting portion along the guide end surface, and the other side of the first limiting portion is a plane, then after the first limiting fitting portion passes over the first limiting portion, it can abut against the other side of the first limiting portion, thereby preventing the current carrier from retreating.

[0017] In some embodiments, the second limiting structure includes a second limiting portion formed in the wiring cavity for limiting the advancement of the carrier current.

[0018] In some embodiments, the base includes a first end and a second end arranged along the insertion direction of the carrier, the first end and the second end are connected to form the wiring cavity; the wiring cavity is provided with a second limiting portion near the second end; the carrier includes a second limiting matching portion that can cooperate with the second limiting portion to limit the position.

[0019] Specifically, the first end is an insertion end of the base, and the second end is the other end of the base away from the insertion end.

[0020] By adopting the above scheme, the cooperation between the second limiting portion and the second limiting matching portion can limit the advancement of the current carrier along its insertion direction. Under the action of the above-mentioned first limiting portion and the above-mentioned first limiting matching portion, the structure of the current carrier located between the first limiting matching portion and the second limiting matching portion can be limited to the space where the wiring cavity is located between the first limiting portion and the second limiting portion. Then, the advancement and retreat of the current carrier in the insertion direction can be limited at the same time, so that the current carrier can be stably installed in the base without moving forward and backward.

[0021] In some embodiments, the inner wall of the wiring cavity is convex or concave to form the second limiting portion.

[0022] In some embodiments, the bottom end of the wiring cavity near the second end protrudes upward to form the second limiting portion to abut against the carrier, thereby limiting the forward movement of the carrier; the second limiting fitting portion is fixed below the side of the carrier facing away from the wire, so that the second limiting fitting portion is arranged relative to the bottom end protrusion of the carrier, and the carrier follows its insertion trajectory to the second limiting fitting portion and abuts against the second limiting portion, thereby limiting the forward movement of the carrier.

[0023] In some embodiments, a third limiting portion capable of limiting the current carrier in a direction perpendicular to its insertion direction is disposed in the wiring cavity, and the current carrier includes a third limiting matching portion capable of matching with the third limiting portion for limiting the current carrier.

[0024] In some embodiments, the third limiting portion includes a slot, and the third limiting portion is relatively arranged above the second limiting portion; the third limiting matching portion is relatively formed at an end of the carrier body away from the wire, and can be adapted in the slot to confine the third limiting matching portion within the third limiting portion, thereby limiting the movement of the carrier body perpendicular to its insertion direction to prevent the carrier body from moving up and down.

[0025] In some embodiments, a guide structure for guiding the insertion movement of the current carrier is disposed in the wiring cavity, and the guide structure is arranged along the insertion trajectory of the current carrier; the current carrier includes a guide mating portion capable of mating with the guide structure.

[0026] In some embodiments, the guide structure includes guide grooves formed on two opposite side walls of the wiring cavity, the guide mating portions are formed on both ends of the current carrier perpendicular to its insertion direction, and the guide grooves are arranged along the insertion trajectory of the current carrier so that the current carrier can be inserted into the wiring cavity in a directional manner along the guide grooves; this facilitates the assembly of the current carrier into the base and facilitates assembly.

[0027] In some embodiments, the first limiting portion is arranged in the guide groove, and the guide matching portion can be adapted in the guide groove. During the insertion process of the carrier body, after the first limiting matching portion passes over the first limiting portion along the guide end surface of the first limiting portion, it can abut against the other side of the first limiting portion to limit the retreat of the carrier body.

[0028] In some embodiments, the connector further comprises a waterproof shell capable of being sleeved outside the base, and a waterproof ring is provided between the waterproof shell and the base.

[0029] In some embodiments, the waterproof shell has a receiving cavity that can accommodate the base, and the waterproof shell has through holes that can penetrate both ends along the insertion direction of the carrier so that it can be plugged into a plug to achieve electrical connection; a plurality of waterproof rings are provided on the base to improve the waterproofness of the base after assembly with the waterproof shell.

[0030] (III) Beneficial effects

[0031] Compared with the prior art, the utility model designs a connector.

[0032] (1) The utility model can stably install the current carrier in the base through the limiting structure, thereby ensuring the stability of the wire in the base, avoiding deviation, backward movement, forward movement, and loosening during long-term use, and has good stability and practicality;

[0033] (2) The utility model can limit the forward movement of the current carrier along its insertion direction through the cooperation between the second limiting portion and the second limiting matching portion. At the same time, under the action of the first limiting portion and the first limiting matching portion, the structure of the current carrier located between the first limiting matching portion and the second limiting matching portion can be limited within the space between the wiring cavity and the first limiting portion. This can simultaneously limit the forward movement and backward movement of the current carrier in the insertion direction, so that the current carrier can be stably installed in the base without moving forward and backward.

[0034] (3) The utility model can limit the movement of the carrier body in a direction perpendicular to its insertion direction through the cooperation between the third limiting matching portion and the third limiting portion, so as to prevent the carrier body from moving up and down and prevent the front end of the carrier body from tilting;

[0035] (4) The base of the utility model is provided with a plurality of waterproof rings, which can improve the waterproof performance after the base and the waterproof shell are assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 It is an exploded view of a connector in the utility model;

[0038] Figure 2 An exploded view of the assembly of the current carrier and the wire and the waterproof housing in the utility model;

[0039] Figure 3 It is an assembly cross-sectional view of an assembly body and a base of a current carrier assembly assembled with a wire and a terminal block in the utility model;

[0040] Figure 4 for Figure 3 The enlarged schematic diagram at A in the middle;

[0041] Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0042] Figure 6 It is a cross-sectional view of the base in the utility model;

[0043] Figure 7 It is a schematic diagram of an assembly of a current carrier assembled with a wire and a terminal in the utility model;

[0044] Figure 8 It is a schematic diagram of the waterproof housing in the utility model.

[0045] The names of the components corresponding to the various figure marks in the figure are: 10, base; 11, wiring cavity; 12, first end; 13, second end; 14, opening; 20, current carrier; 21, wire clamping structure; 22, first limit fitting part; 23, second limit fitting part; 24, third limit fitting part; 25, guide fitting part; 30, wire; 40, first limit structure; 41, first limit part; 411, guide end face; 50, second limit structure; 51, second limit part; 60, third limit part; 61, slot; 70, guide structure; 71, guide groove; 80, waterproof shell; 81, accommodating cavity; 82, perforation; 90, waterproof ring; 100, wiring terminal. DETAILED DESCRIPTION

[0046] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0047] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0049] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0050] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The drawings only show components related to the present application rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0051] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the examples can be practiced without these specific details.

[0052] The technical solutions provided by various embodiments of the present application are described below in conjunction with the accompanying drawings.

[0053] like Figure 1-Figure 8 As shown, the utility model discloses a connector, which includes a base 10, which has a wiring cavity 11 inside, and the wiring cavity 11 penetrates the base 10; a current carrier 20, which can be assembled in the wiring cavity 11, and the current carrier 20 includes a clamping structure 21 that can clamp the wire 30; wherein, a limiting structure that can limit the current carrier 20 in the wiring cavity 11 is provided in the wiring cavity 11. In some embodiments, the wire 30 is crimped to one end of the current carrier 20 through the clamping structure 21 to be assembled together; the assembled current carrier 20 and the wire 30 are plugged into the wiring cavity 11 of the base 10, and after assembly, the other end of the current carrier 20 away from the wire 30 is connected to the wiring terminal 100, and the base 10 is provided with an opening 14 that opens the wiring terminal 100; and the wiring cavity 11 has a plurality of chambers isolated from each other to separate the current carrier 20. By adopting the above scheme, the current carrier 20 can be stably installed in the base 10 through the limiting structure, thereby ensuring the stability of the wire 30 in the base 10, avoiding deviation, backward movement, forward movement, and loosening during long-term use, and having good stability and practicality.

[0054] In some embodiments, the limiting structure includes a first limiting structure 40 capable of limiting the current carrier 20 from retreating along its insertion direction, and a second limiting structure 50 capable of limiting the current carrier 20 from advancing along its insertion direction. With the above scheme, the first limiting structure 40 and the second limiting structure 50 cooperate to fix the current carrier 20 in the wiring cavity 11 to limit the forward and backward movement of the current carrier 20 in its insertion direction. In some embodiments, the first limiting structure 40 includes a first limiting portion 41 formed on the inner wall of the wiring cavity 11 and located on the insertion trajectory of the current carrier 20, so as to limit the current carrier 20 from retreating on its insertion trajectory. In some embodiments, the inner wall of the wiring cavity 11 is raised to form the first limiting portion 41; the current carrier 20 includes a first limiting matching portion 22 capable of cooperating with the first limiting portion 41 to limit. In some embodiments, the first limiting fitting portion 22 is formed by the outward protrusions of the two ends of the current carrier 20 perpendicular to its insertion direction; the first limiting portion 41 is formed by the outward protrusions of the two side walls of the wiring cavity 11; and, the first limiting portion 41 is provided with a guide end surface 411 on the insertion side close to the current carrier 20, so that the current carrier 20 can pass over the first limiting portion 41 along the guide end surface 411, and the other side of the first limiting portion 41 is a plane, then after the first limiting fitting portion 22 passes over the first limiting portion 41, it can abut against the other side of the first limiting portion 41, thereby preventing the current carrier 20 from retreating.

[0055] In some embodiments, the second limiting structure 50 includes a second limiting portion 51 formed in the wiring cavity 11 for limiting the forward movement of the current carrier 20. In some embodiments, the base 10 includes a first end 12 and a second end 13 arranged along the insertion direction of the current carrier 20, the first end 12 and the second end 13 are connected to form the wiring cavity 11; the wiring cavity 11 is provided with the second limiting portion 51 near the second end 13; the current carrier 20 includes a second limiting matching portion 23 that can cooperate with the second limiting portion 51 to limit. Specifically, the first end 12 is the insertion end of the base 10, and the second end 13 is the other end of the base 10 away from the insertion end. By adopting the above scheme, the cooperation between the second limiting portion 51 and the second limiting matching portion 23 can limit the forward movement of the current carrier 20 along its insertion direction. Under the action of the first limiting portion 41 and the first limiting matching portion 22, the structure of the current carrier 20 located between the first limiting matching portion 22 and the second limiting matching portion 23 can be limited to the space between the first limiting portion 41 and the second limiting portion 51 of the wiring cavity 11. The forward movement and retreat of the current carrier 20 in the insertion direction can be simultaneously limited, so that the current carrier 20 is stably installed in the base 10 without moving forward and backward. In some embodiments, the inner wall of the wiring cavity 11 is raised to form the second limiting portion 51. In some embodiments, the bottom end of the wiring cavity 11 near the second end 13 protrudes upward to form the second limiting portion 51 to abut against the carrier 20, thereby limiting the forward movement of the carrier 20; the second limiting fitting portion 23 is fixed below the side of the carrier 20 away from the wire 30, so that the second limiting fitting portion 23 is arranged relative to the bottom end protrusion of the carrier 20, and the carrier 20 follows its insertion trajectory to the second limiting fitting portion 23 and abuts against the second limiting portion 51, thereby limiting the forward movement of the carrier 20.

[0056] In some embodiments, a third limiting portion 60 capable of limiting the current carrier 20 in a direction perpendicular to its insertion direction is provided in the wiring cavity 11, and the current carrier 20 includes a third limiting matching portion 24 capable of limiting with the third limiting portion 60. In some embodiments, the third limiting portion 60 includes a slot 61, and the third limiting portion 60 is relatively arranged above the second limiting portion 51; the third limiting matching portion 24 is relatively formed at one end of the current carrier 20 away from the wire 30, and can be adapted in the slot 61 to limit the third limiting matching portion 24 in the third limiting portion 60, thereby limiting the movement of the current carrier 20 in a direction perpendicular to its insertion direction, so as to prevent the current carrier 20 from moving up and down.

[0057] In some embodiments, a guide structure 70 for guiding the insertion movement of the current carrier 20 is provided in the wiring cavity 11, and the guide structure 70 is arranged along the insertion track of the current carrier 20; the current carrier 20 includes a guide matching portion 25 that can cooperate with the guide structure 70. The guide structure 70 includes a guide groove 71 formed on two opposite side walls of the wiring cavity 11, and the guide matching portion 25 is formed on both ends of the current carrier 20 perpendicular to its insertion direction, and the guide groove 71 is arranged along the insertion track of the current carrier 20, so that the current carrier 20 can be inserted into the wiring cavity 11 along the guide groove 71 in a directional manner; it is convenient to assemble the current carrier 20 into the base 10, and the assembly is convenient. In some embodiments, the first limiting portion 41 is arranged in the guide groove 71, and the first limiting fitting portion 22 can be adapted in the guide groove 71. During the insertion process of the carrier 20, the first limiting fitting portion 22 passes over the first limiting portion 41 along the guide end surface 411 of the first limiting portion 41, and can abut against the other side of the first limiting portion 41 to limit the retreat of the carrier 20.

[0058] In some embodiments, the connector further comprises a waterproof housing 80 that can be sleeved outside the base 10, and a waterproof ring 90 is provided between the waterproof housing 80 and the base 10. In some embodiments, the waterproof housing 80 has a receiving cavity 81 that can accommodate the base 10, and the waterproof housing 80 has a through hole 82 that can penetrate both ends along the insertion direction of the carrier 20, so as to be able to be plugged with a plug to achieve electrical connection; a plurality of waterproof rings 90 are provided on the base 10, which can improve the waterproofness of the base 10 after being assembled with the waterproof housing 80.

[0059] The same and similar parts between the various embodiments in this specification can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0060] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A connector, characterized in that: The connector includes A base (10) having a wiring cavity (11) therein; A current carrier (20) capable of being assembled in the wiring cavity (11), the current carrier (20) comprising a wire clamping structure (21) capable of clamping a wire (30); Wherein, a limiting structure capable of limiting the current carrier (20) within the wiring cavity (11) is provided in the wiring cavity (11).

2. The connector according to claim 1, characterized in that: The limiting structure comprises a first limiting structure (40) capable of limiting the carrier (20) from retreating along its insertion direction, and a second limiting structure (50) capable of limiting the carrier (20) from advancing along its insertion direction.

3. The connector according to claim 2, characterized in that: The first limiting structure (40) comprises a first limiting portion (41) formed on the inner wall of the wiring cavity (11) and located on the insertion track of the current carrier (20).

4. The connector according to claim 3, characterized in that: The inner wall of the wiring cavity (11) is convex or concave to form the first limiting portion (41); the current carrier (20) comprises a first limiting matching portion (22) capable of matching with the first limiting portion (41) for limiting.

5. The connector according to claim 2, characterized in that: The second limiting structure (50) comprises a second limiting portion (51) formed in the wiring cavity (11) and used for limiting the forward movement of the carrier (20).

6. The connector according to claim 5, characterized in that: The base (10) comprises a first end (12) and a second end (13) arranged along the insertion direction of the current carrier (20), the first end (12) and the second end (13) being connected to form the wiring cavity (11); the wiring cavity (11) is provided with a second limiting portion (51) near the second end (13); the current carrier (20) comprises a second limiting matching portion (23) capable of matching with the second limiting portion (51) for limiting.

7. The connector according to claim 6, characterized in that: Therefore, the inner wall of the wiring cavity (11) is convex or concave to form the second limiting portion (51).

8. The connector according to claim 1, characterized in that: A third limiting portion (60) capable of limiting the current carrier (20) in a direction perpendicular to its insertion direction is arranged in the wiring cavity (11), and the current carrier (20) comprises a third limiting matching portion (24) capable of matching with the third limiting portion (60) for limiting.

9. The connector according to claim 1, characterized in that: A guide structure (70) for guiding the insertion movement of the current carrier (20) is provided in the wiring cavity (11); the guide structure (70) is arranged along the insertion track of the current carrier (20); and the current carrier (20) includes a guide matching portion (25) capable of matching with the guide structure (70).

10. The connector according to claim 1, characterized in that: The connector further comprises a waterproof shell (80) which can be sleeved outside the base (10), and a waterproof ring (90) is provided between the waterproof shell (80) and the base (10).

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