Terminal structure for elastically clamping wire

Abstract

The utility model relates to a terminal structure for elastically clamping a wire. The terminal structure comprises a terminal assembly; the terminal assembly is provided with a terminal and a metal elastic sheet, the terminal is provided with a base part, a hollow accommodating part is arranged on the base part, and at least two pin parts are arranged on the peripheral side of the base part; the metal elastic piece is provided with two ends, the middle section of the metal elastic piece is provided with an arc portion, one end of the metal elastic piece is combined with the edge of the inner side of the containing portion, the other end of the metal elastic piece forms a clamping end capable of elastically moving in the containing portion, and limiting portions extending towards the extending direction of the clamping end are formed on the other peripheral sides except the combination portion of the containing portion and the metal elastic piece. The clamping end of the metal elastic sheet is matched with the accommodating part to form a mechanism capable of elastically clamping a lead, and the limiting part can limit and stably guide the clamping end to perform the elastic clamping movement.

Description

TECHNICAL FIELD

[0001] The utility model relates to a terminal structure for elastically clamping a wire, in particular to a terminal structure with simple structure, stable wire clamping and large current capacity. BACKGROUND

[0002] The utility model CN 214203997U discloses a wiring terminal, mainly in a shell contains a plurality of combined bus members and clamping springs, each bus member has a frame part, the frame part has a space in it, the space is bent to form a wire contact section at one end edge, the space is close to both ends of the outer side respectively provided with an inspection section and a curved extension of the external joint, the clamping spring middle segment is bent to form a spring bow, one end of the clamping spring is connected with a clamping area through a clamping leg, the other end of the clamping spring is connected with the second sub section of the contact leg through the first sub section of the contact leg, the first and second sub sections of the contact leg are clamped at one end edge of the space, and combined positioning is formed, the clamping leg extends into the other end of the space, and a flexible clamping mechanism is formed between the clamping area and the wire contact section.

[0003] In use, the wire can be introduced through a wire introduction channel from a wire introduction port on the surface of the shell and extend into the clamping leg and the wire contact section to form a clamped and positioned state.

[0004] However, the above structure in actual application, because the clamping leg (clamping area) both sides and the frame part around the space cross point contact is formed, therefore cannot form the stable guide and lateral limiting of larger section to the activity of the clamping leg (clamping area), easy to cause the clamping leg (clamping area) in the activity process produces deviation and skew, therefore the clamping spring in the activity process must utilize the space around the clamping spring of the shell (plastic material) to limit the activity of the clamping spring, easy to cause abrasion and damage.

[0005] At the same time, limited by the shape structure of the shell, the clamping spring can only be provided with a single external joint in a single direction, and because the cross-sectional area of the single external joint for current flow is limited, it is difficult to withstand large working current, which affects the overall application range of the wiring terminal.

[0006] In view of the above shortcomings of the conventional wiring terminal in actual application, the inventor has improved the structure to solve the problems. UTILITY MODEL CONTENTS

[0007] The utility model discloses a terminal structure for the elastic clamping wire, including: a terminal assembly, the terminal assembly has a terminal and a metal spring piece, the terminal has a base, is equipped with the accommodation of the hollow on the base, and at least two contact pin parts are arranged on the at least partial adjacent edge of the base peripheral side and are bent.

[0008] The utility model discloses another purpose to provide a kind of terminal structure for the elastic clamping wire, wherein the terminal of the terminal assembly can be designed as the structure variation of the two contact pin parts of adjacent, or adjacent and symmetric four contact pin parts according to different needs, to effectively improve the overall application range of the terminal assembly.

[0009] To achieve the above purpose and effect, the technical means adopted by the utility model includes: a kind of terminal structure for the elastic clamping wire, including: at least one terminal assembly;Wherein the terminal assembly has a terminal and a metal spring piece, the terminal has a base, is equipped with the accommodation of the hollow on the base, and at least two contact pin parts are arranged on the at least partial adjacent edge of the base peripheral side and are bent.

[0010] According to the above structure, the limit part is formed by the edge of the accommodation and the vertical extension of the base.

[0011] The base outer periphery side of the terminal is respectively provided with two opposite first end portions, second end portions and two opposite first side portions and second side portions, and the base outer periphery side edges are bent and extended to two adjacent pin portions; one pin portion is arranged on the outer side edge close to one of the first end portions and the second end portions, and forms a first end pin; and the other pin portion is arranged on the outer side edge close to one of the first side portions and the second side portions, and forms a first side pin.

[0012] The base outer periphery side of the terminal is respectively provided with two opposite first end portions, second end portions and two opposite first side portions and second side portions, and the base outer periphery side edges are bent and extended to two adjacent pin portions; one pin portion is arranged on the outer side edge close to one of the first end portions and the second end portions, and forms a first end pin; and the other pin portion is arranged on the outer side edge close to one of the first side portions and the second side portions, and forms a first side pin.

[0013] The base outer periphery side of the terminal is respectively provided with two opposite first end portions, second end portions and two opposite first side portions and second side portions, and the base outer periphery side edges are bent and extended to two adjacent pin portions; one pin portion is arranged on the outer side edge close to one of the first end portions and the second end portions, and forms a first end pin; and the other pin portion is arranged on the outer side edge close to one of the first side portions and the second side portions, and forms a first side pin.

[0014] The base outer periphery side of the terminal is respectively provided with two opposite first end portions, second end portions and two opposite first side portions and second side portions, and the base outer periphery side edges are bent and extended to two adjacent pin portions; one pin portion is arranged on the outer side edge close to one of the first end portions and the second end portions, and forms a first end pin; and the other pin portion is arranged on the outer side edge close to one of the first side portions and the second side portions, and forms a first side pin.

[0015] The base outer periphery side of the terminal is respectively provided with two opposite first end portions, second end portions and two opposite first side portions and second side portions, and the base outer periphery side edges are bent and extended to two adjacent pin portions; one pin portion is arranged on the outer side edge close to one of the first end portions and the second end portions, and forms a first end pin; and the other pin portion is arranged on the outer side edge close to one of the first side portions and the second side portions, and forms a first side pin. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the above-mentioned purposes, effects and characteristics of the utility model more specific, the following drawings are used for the description as follows:

[0017] Figure 1 It is the exploded view of the three-dimensional structure of the first embodiment of the utility model.

[0018] Figure 2 It is the overall combined appearance view of the first embodiment of the utility model.

[0019] Figure 3 It is the side view combined section view of the first embodiment of the utility model.

[0020] Figure 4 It is the application situation schematic view of the first embodiment of the utility model; the state that the wire is inserted between the metal spring and the terminal and is fixed by the clamping end is disclosed.

[0021] Figure 5 It is the exploded view of the three-dimensional structure of the second embodiment of the utility model.

[0022] Figure 6 This is an overall combined appearance drawing of the second embodiment of the present utility model.

[0023] Figure 7 This is a side view of the combined cross-section of the second embodiment of the present invention.

[0024] Explanation of symbols in the attached diagram:

[0025] A, B: Terminal assemblies

[0026] 1,1a: terminal

[0027] 10: Base

[0028] 11: Containment Department

[0029] 111: First end

[0030] 112: Second end

[0031] 113: First side

[0032] 114: Second side

[0033] 12: Positioning Section

[0034] 13: Limiting part

[0035] 14: First pin

[0036] 141: First positioning end

[0037] 15: Second pin

[0038] 151: Second positioning end

[0039] 16: First side connector

[0040] 161: First positioning side

[0041] 17: Second side connector

[0042] 171: Second positioning side

[0043] 2: Metal shrapnel

[0044] 21: Curved section

[0045] 22: Positioning Department

[0046] 23: Card Control End

[0047] D: Wire Detailed Implementation

[0048] Please refer to Figures 1 to 3As shown, the structure of the first embodiment of the utility model comprises: a terminal assembly A; the terminal assembly A has a terminal 1 and a metal spring 2, the terminal 1 has a base 10, a hollow receiving part 11 is arranged on the base 10, one side of the receiving part 11 is provided with a positioning part 12 (which can be a groove), and the receiving part 11 is provided with a limiting part 13 on the edge other than the positioning part 12, and at least the local adjacent edge of the outer circumferential side of the base 10 is bent and extended to at least two pin parts.

[0049] In the embodiment, the base 10 is respectively provided with two opposite first end parts 111 and second end parts 112 and two opposite first side parts 113 and second side parts 114 on the outer circumferential side of the receiving part 11, and the two pin parts are arranged on the outer edge side close to the first end part 111 and the first side part 113 and respectively form a first end pin 14 and a first side pin 16; and the first end pin 14 and the first end part 111 are provided with a first positioning end part 141 with a larger width, and the first side pin 16 and the first side part 113 are provided with a first positioning side part 161 with a larger width.

[0050] In actual application, the first end pin 14 (the first positioning end part 141) can also be arranged on the outer edge side close to the second end part 112; the first side pin 16 (the first positioning side part 161) can also be arranged on the outer edge side close to the second side part 114, so as to form a structure design change that can meet different needs.

[0051] The metal spring 2 has two ends and a curved part 21 arranged in the middle section, one end of the metal spring 2 is provided with a positioning part 22, which can be combined with the positioning part 12 to form positioning, so that the other end of the metal spring 2 forms an elastically movable clamping end 23 inside the receiving part 11, and the clamping end 23 can cooperate with the inner edge of the receiving part 11 (the side away from the positioning part 12) and the limiting part 13 to form an elastic clamping mechanism.

[0052] In a feasible embodiment, the limiting part 13 extends towards the extension direction of the clamping end 23, and the limiting part 13 is respectively formed by the edge of the receiving part 11 and the vertical extension of the base 10.

[0053] Please refer to Figure 4As shown, it can be known that the terminal assembly A can be arranged in the inside of an insulating shell (not shown) in actual application of the first embodiment of the utility model, and the first terminal leg 14 and the first side leg 16 protrude outside the insulating shell; when a wire D is inserted into the insulating shell from outside and extends between the clamping end 23 and the edge of the accommodating portion 11, the wire D can be clamped and positioned by cooperation of the clamping end 23 with the inner edge of the accommodating portion 11 and the limiting portion 13; if a tool is inserted through the insulating shell and abuts against the position between the clamping end 23 and the arc portion 21, the clamping end 23 can be driven to be separated from the wire D, so that the wire D can be taken out outward.

[0054] In the above structure, the limiting portion 13 and the clamping end 23 are formed with line contacts on both sides, which can not only stably guide and laterally limit the movement of the clamping end 23 in a large section to avoid deviation and skew of the metal spring 2 during movement, but also reduce abnormal contact between the insulating shell and the metal spring 2 to cause abnormal wear and damage of the insulating shell; in addition, the limiting portion 13 can be directly formed by pulling the edge of the accommodating portion 11, which can effectively reduce the waste generated in the production process to improve the overall economic benefit.

[0055] Please refer to Figures 5 to 7 As shown, the structure of the second embodiment of the utility model comprises: a terminal assembly B; the terminal assembly B has a terminal 1a and a metal spring 2 which are the same as those in the first embodiment; the terminal 1a has the same structures as the terminal 1 in the first embodiment, such as the base 10, the accommodating portion 11, the positioning portion 12, the limiting portion 13, the first end portion 111, the second end portion 112, the first side portion 113, the second side portion 114, and the like, and each edge of the outer periphery side of the base 10 is bent to extend a leg portion.

[0056] In the embodiment, each leg portion is arranged on the outer side close to the first end portion 111, the second end portion 112, the first side portion 113 and the second side portion 114, and forms the first terminal leg 14, the second terminal leg 15, the first side leg 16 and the second side leg 17; the first terminal leg 14 and the first end portion 111 are provided with a first positioning end portion 141 with a larger width, the second terminal leg 15 and the second end portion 112 are provided with a second positioning end portion 151 with a larger width, the first side leg 16 and the first side portion 113 are provided with a first positioning side portion 161 with a larger width, and the second side leg 17 and the second side portion 114 are provided with a second positioning side portion 171 with a larger width.

[0057] In addition to the above differences, the mutual combination relationship and the achieving effect between the terminal 1a and the metal spring 2 in the embodiment are the same as those in the first embodiment, and will not be described here

[0058] In the above structure, the terminal assembly B can withstand greater working current by the design of the first end pin 14, the second end pin 15, the first side pin 16 and the second side pin 17; and if the first end pin 14, the second end pin 15, the first side pin 16 and the second side pin 17 are welded and combined on the circuit board, the circuit board can form a stable combination of multi-point assembly.

[0059] In actual application, the terminal 1 (or the terminal 1a) can have double (two or four) pin structures, which are respectively arranged on at least one of the first end portion 111 and the second end portion 112, and / or the outer side of at least one of the first side portion 113 and the second side portion 114; the terminal 1 (or the terminal 1a) can also have a single (three) pin structure, which is respectively arranged on three adjacent outer sides of the first end portion 111, the second end portion 112, the first side portion 113 and the second side portion 114, so as to form more different structural changes according to different needs.

[0060] In summary, the terminal structure for elastically clamping the wire can achieve the effects of simple structure, saving materials and stable and movable clamping of the wire, and is a novel and advanced utility model, so a new patent is applied according to the law; however, the above description is only a preferred embodiment of the utility model, and any change, modification, change or equivalent replacement within the technical means and scope of the utility model shall also fall within the scope of the patent application of the utility model.

Claims

1. A terminal structure for elastically clamping a conductor, characterized by, The terminal structure for elastically clamping a wire comprises at least one terminal assembly (A, B), wherein the terminal assembly (A, B) has a terminal (1, 1a) and a metal spring (2), the terminal (1, 1a) has a base (10) provided with a hollow receiving portion (11) on the base (10), at least a part of the outer circumferential side of the base (10) is bent to extend at least two leg portions, a bending portion (21) is arranged in the middle of the metal spring (2), one end of the metal spring (2) is combined with one edge of the receiving portion (11), the other end of the metal spring (2) is obliquely formed to have a clamping end (23) with elastic flexibility, the receiving portion (11) is provided with a limiting portion (13) extending towards the extending direction of the clamping end (23) at the other edge of the receiving portion (11) except the combined portion with the metal spring (2), the clamping end (23) can cooperate with the inner edge of the receiving portion (11) not combined with one end of the metal spring (2) and the limiting portion (13), so as to limit the interval of the clamping end (23) to form an elastic clamping mechanism.

2. The terminal structure for elastically clamping a wire according to claim 1, characterized by, The limiting portion (13) is formed by the edge of the receiving portion (11) and the vertical extension of the base (10).

3. The terminal structure for elastically clamping a wire according to claim 1, characterized by, The outer circumferential side of the base (10) of the terminal (1) is respectively provided with two opposite first end portions (111), second end portions (112) and two opposite first side portions (113), second side portions (114), the outer circumferential side edge of the base (10) is bent to extend two adjacent leg portions, one leg portion is arranged on the outer side edge close to one of the first end portions (111), second end portions (112) and forms a first end leg (14), and the other leg portion is arranged on the outer side edge close to one of the first side portions (113), second side portions (114) and forms a first side leg (16).

4. The terminal structure for elastically clamping a wire according to claim 1, characterized by, The outer circumferential side of the base (10) of the terminal (1a) is respectively provided with two opposite first end portions (111), second end portions (112) and two opposite first side portions (113), second side portions (114), the outer circumferential side edge of the base (10) is bent to extend four adjacent leg portions, two leg portions are respectively arranged on the outer side edge close to the first end portions (111), second end portions (112) and respectively form first end legs (14), second end legs (15), and the other two leg portions are respectively arranged on the outer side edge close to the first side portions (113), second side portions (114) and respectively form a first side leg (16), second side leg (17).

5. The terminal structure for elastically clamping a wire according to claim 3 or 4, characterized by, A first positioning end portion (141) is arranged between the first end leg (14) and the outer circumferential side of the base (10); a first positioning side portion (161) is arranged between the first side leg (16) and the outer circumferential side of the base (10).

6. The terminal structure for elastically clamping a wire according to claim 4, characterized by, A second positioning end portion (151) is arranged between the second end leg (15) and the outer circumferential side of the base (10); a second positioning side portion (171) is arranged between the second side leg (17) and the outer circumferential side of the base (10).

7. The terminal structure for elastically clamping a wire according to any one of claims 1 to 4, characterized by, The accommodation part (11) is provided with a positioning part (12) on one side, and the metal elastic sheet (2) is provided with a positioned part (22) combined with the positioning part (12) on one end away from the clamping end (23).

8. The terminal structure for elastically clamping a wire according to claim 5, characterized by, The accommodation part (11) is provided with a positioning part (12) on one side, and the metal elastic sheet (2) is provided with a positioned part (22) combined with the positioning part (12) on one end away from the clamping end (23).

9. The terminal structure for elastically clamping a wire according to claim 6, characterized by, The accommodation part (11) is provided with a positioning part (12) on one side, and the metal elastic sheet (2) is provided with a positioned part (22) combined with the positioning part (12) on one end away from the clamping end (23). The accommodation part (11) is provided with a positioning part (12) on one side, and the metal elastic sheet (2) is provided with a positioned part (22) combined with the positioning part (12) on one end away from the clamping end (23).

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