Lead structure of relay

Abstract

The utility model provides a lead structure of a relay, the relay comprises a coil rack, the lead structure comprises a square needle, one end of the square needle is inserted in the coil rack, and the other end of the square needle extends back to the coil rack; the pin comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part are used for clamping the square pin, a slot for inserting the square pin is formed between the first clamping part and the second clamping part in a surrounding manner, and the minimum distance of the slot is smaller than the thickness of the square pin. Therefore, the terminal pin is separated from the square pin, and the relay is powered off.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a lead wire structure of a relay. Background Art

[0002] A relay is an electronic control device that has a control system and a controlled system. It is usually used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays the role of automatic regulation, safety protection, and circuit conversion in the circuit. Figure 4 As shown, in the prior art, the relay includes a coil frame, a square pin and a lead pin connected to the outside. One end of the square pin is inserted into the coil frame, and the other end is welded to the lead pin. However, during welding, the lead pin and the square pin are generally just fitted together, and then the two are welded together. However, the contact area between the two is small. Therefore, when the relay is in use, once the lead pin and the square pin become desoldered, the lead pin and the square pin will be separated, causing the relay to lose power, affecting its use. Utility Model Content

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect in the prior art that once the lead pin and the square pin become desoldering, the lead pin and the square pin will be separated, causing the relay to be powered off, thereby providing a lead structure in which the relay will not be powered off even in the desoldering state.

[0004] To this end, the utility model provides a lead structure of a relay, the relay includes a coil frame, and the lead structure includes: a square pin, one end of which is inserted into the coil frame and the other end extends away from the coil frame; a pin, which includes a first clamping part and a second clamping part for clamping the square pin, a slot for inserting the square pin is formed between the first clamping part and the second clamping part, and the minimum spacing of the slot is less than the thickness of the square pin.

[0005] Further: the first clamping portion includes a first guide end and a first plug-in end arranged below the first guide end, the second clamping portion includes a second guide end and a second plug-in end arranged below the second guide end, the end face of the second plug-in end is inclined toward the side away from the first plug-in end to form an escape opening for avoiding the direction, and the escape opening is connected to the slot.

[0006] Further: a first guiding bevel is arranged on the first clamping part, a second guiding bevel is arranged on the second clamping part, a guiding groove for guiding the guide pin to be inserted into the slot is formed between the first guiding bevel and the second guiding bevel, and the guiding groove is a horn structure with an opening facing upward.

[0007] Furthermore: the guide pin includes a connecting end connected to the coil frame and an inserting end connected to the pin, and the connecting end and the inserting end are arranged in an "L"-shaped structure.

[0008] The technical solution of the utility model has the following advantages:

[0009] 1. The utility model provides a lead structure of a relay. When a pin is inserted into a first clamping part and a second clamping part, since the minimum spacing of the slot is smaller than the thickness of the pin, after the pin is inserted into the slot for welding, even if the soldering between the two is desoldered, when the pin needs to be separated from the slot, it is also necessary to overcome the minimum spacing at the slot. The pin will not be separated from the slot without external force. In this way, even if the pin and the lead are desoldered, the relay will not fail immediately, which can ensure that the relay can work normally for a period of time, providing enough time for replacing the relay.

[0010] 2. The utility model provides a lead structure of a relay, wherein a first guiding bevel is arranged on a first guiding end, and a second guiding bevel is arranged on a second guiding end. When a pin is inserted into a slot, the first guiding bevel and the second guiding bevel can guide the pin. When the pin passes through the narrowest part of the slot, the pin will squeeze the first clamping part and the second clamping part, causing the two to deform from the middle to both sides. When the pin overcomes the squeezing force of the first clamping part and the second clamping part, it will enter the interior of the socket. The slot has an avoidance opening, and the inclined setting of the avoidance opening expands the internal space of the slot, so that the pin can easily enter the interior of the slot while ensuring that the pin will not be separated from the pin, thereby facilitating quick plugging of the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is the internal structure diagram of the relay;

[0013] Figure 2 It is the connection relationship diagram between pins and guidelines;

[0014] Figure 3 It is the structure diagram of the pin;

[0015] Figure 4 It is a structural diagram of a relay in the prior art.

[0016] Description of reference numerals:

[0017] 01. Coil frame; 02. Square pin; 03. Lead pin;

[0018] 1. Coil frame; 2. Square pin; 21. Connecting end; 22. Inserting end; 3. Pin; 4. First clamping portion; 41. First guide end; 42. First plugging end; 43. First guide slope; 5. Second clamping portion; 51. Second guide end; 52. Second plugging end; 53. Avoidance; 54. Second guide slope; 6. Slot; 7. Guide groove. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, 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.

[0022] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0023] Example

[0024] The present embodiment provides a lead structure of a relay, the relay includes a coil frame 1, and the lead structure includes: a square pin 2, one end of which is inserted into the coil frame 1 and the other end extends away from the coil frame 1; a pin 3, which includes a first clamping portion 4 and a second clamping portion 5 for clamping the square pin 2, and a slot 6 for inserting the square pin 2 is formed between the first clamping portion 4 and the second clamping portion 5, and the minimum spacing of the slot 6 is less than the thickness of the square pin 2.

[0025] The above specific improvements are: Figure 1 and Figure 2 As shown, compared with the prior art, when the pin 2 is inserted into the first clamping portion 4 and the second clamping portion 5, since the minimum spacing of the slot 6 is smaller than the thickness of the pin 2, after the pin 2 is inserted into the slot 6 for welding, even if the two are desoldered, when the pin 2 needs to be detached from the slot 6, it is also necessary to overcome the minimum spacing at the slot 6. The pin 2 will not be detached from the slot 6 without the action of external force. In this way, even if the pin 2 and the pin 3 are desoldered, the relay will not fail immediately, which can ensure that the relay can work normally for a period of time, providing enough time for replacing the relay.

[0026] On the basis of the above embodiment: the first clamping portion 4 includes a first guide end 41 and a first plug-in end 42 arranged below the first guide end 41, the second clamping portion 5 includes a second guide end 51 and a second plug-in end 52 arranged below the second guide end 51, and the end face of the second plug-in end 52 is inclined toward the side facing away from the first plug-in end 42 to form an avoidance opening 53 for avoiding the guide pin 2, and the avoidance opening 53 is connected to the slot 6.

[0027] On the basis of the above embodiment: a first guiding bevel 43 is provided on the first clamping part 4, a second guiding bevel 54 is provided on the second clamping part 5, a guiding groove 7 for guiding the guide pin 2 to be inserted into the slot 6 is formed between the first guiding bevel 43 and the second guiding bevel 54, and the guiding groove 7 is a horn structure with the opening facing upward.

[0028] The above specific improvements are: Figure 2 and Figure 3As shown, the first guide bevel 43 is arranged on the first guide end 41, and the second guide bevel 54 is arranged on the second guide end 51. When the pin 2 is inserted into the slot 6, the first guide bevel 43 and the second guide bevel 54 can guide the pin 2. When the pin 2 passes through the narrowest part of the slot 6, the pin 2 will squeeze the first clamping part 4 and the second clamping part 5, so that the two are deformed from the middle to both sides. When the pin 2 overcomes the squeezing force of the first clamping part 4 and the second clamping part 5, it will enter the inside of the socket. The slot 6 has an avoidance opening 53. The avoidance opening 53 is inclined to expand the internal space of the slot 6, so that the pin 2 can easily enter the inside of the slot 6 while ensuring that the pin 2 will not be separated from the pin 3, so that the two are convenient for quick plugging.

[0029] On the basis of the above embodiment: the pin 2 comprises a connection end 21 connected to the coil frame 1 and an insertion end 22 connected to the pin 3, and the connection end 21 and the insertion end 22 are arranged in an "L"-shaped structure.

[0030] The above specific improvements are: Figure 2 As shown, the square pin 2 includes a connecting end 21 and an inserting end 22. The inserting end 22 can be inserted into the slot 6. Through the setting of the inserting end 22, the contact area between the square pin 2 and the slot 6 is increased, and the connection tightness between the two is improved.

[0031] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A lead structure of a relay, Features: The relay comprises a coil frame (1), and the lead structure comprises: A square needle (2), one end of which is inserted into the coil frame (1) and the other end of which extends away from the coil frame (1); A pin (3) comprises a first clamping portion (4) and a second clamping portion (5) for clamping a pin (2); a slot (6) for inserting the pin (2) is formed between the first clamping portion (4) and the second clamping portion (5); and a minimum spacing of the slot (6) is less than the thickness of the pin (2).

2. A lead structure of a relay according to claim 1, Features: The first clamping portion (4) comprises a first guide end (41) and a first plug-in end (42) arranged below the first guide end (41); the second clamping portion (5) comprises a second guide end (51) and a second plug-in end (52) arranged below the second guide end (51); the end face of the second plug-in end (52) is inclined toward a side facing away from the first plug-in end (42) to form an escape opening (53) for evading the guide line (2); the escape opening (53) is connected to the slot (6).

3. A lead structure of a relay according to claim 2, Features: The first clamping portion (4) is provided with a first guiding inclined surface (43), and the second clamping portion (5) is provided with a second guiding inclined surface (54). A guiding groove (7) for guiding the guide pin (2) to be inserted into the slot (6) is formed between the first guiding inclined surface (43) and the second guiding inclined surface (54), and the guiding groove (7) is in the form of a horn structure with its opening facing upward.

4. A lead structure of a relay according to any one of claims 1 to 3, Features: The square pin (2) comprises a connection end (21) connected to the coil frame (1) and an insertion end (22) connected to the pin (3), and the connection end (21) and the insertion end (22) are arranged in an "L"-shaped structure.

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