Terminal pre-tightening assembly structure suitable for connector

Abstract

The terminal pre-tightening assembly structure suitable for the connector comprises a connector shell, the rear end of the connector shell is provided with a slot, the slot bottom of the slot is provided with a terminal slot and a pre-tightening slot, and pre-tightening openings communicated with each other are arranged between the terminal slot and the pre-tightening slot; the terminal comprises a terminal main body and a stop plate arranged on the side surface of the terminal main body, the terminal main body is inserted into the terminal groove, and the stop plate is inserted into the pre-tightening opening; and the pre-tightening piece comprises a pre-tightening piece main body and a stop block arranged on the side face of the pre-tightening piece main body, the pre-tightening piece main body is buckled and fixed in the pre-tightening groove, and the stop block is inserted in the pre-tightening opening and enables the stop plate to abut against the bottom of the pre-tightening opening. According to the scheme, the push rod is arranged at the rear end of the pre-tightening piece main body, so that an operator can conveniently assemble the pre-tightening piece in place from the outside, additional auxiliary tools are not needed, and damage to a connector caused by the auxiliary tools is avoided; the device has the characteristics of simple and ingenious structure, reliable connection performance and convenience and rapidness in assembly, and is suitable for popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a terminal pre-tightening assembly structure suitable for connectors. Background Art

[0002] Connectors are a component that electronic engineering technicians often come into contact with. Their function is to build a bridge of communication between blocked or isolated circuits within a circuit, so that current can flow and the circuit can achieve its intended function. At present, the terminals in connectors mostly use a relatively simple stop structure to achieve the stop function, which has the problem of poor stop effect. There are also those that use complex structures to achieve the terminal stop function, but the complex stop structure will affect the assembly efficiency and require the use of additional auxiliary tools to complete the assembly. The use of auxiliary tools for assembly will cause the risk of damaging the connector.

[0003] Therefore, in view of the shortcomings of the prior art, it is necessary to design a terminal pre-tightening assembly structure suitable for the connector to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a terminal pre-tightening assembly structure suitable for a connector.

[0005] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a terminal pre-tightening assembly structure suitable for a connector, comprising:

[0006] A connector housing, wherein a slot is provided at the rear end of the connector housing, a terminal slot and a pre-tightening slot are provided at the bottom of the slot, and a pre-tightening opening communicating with each other is provided between the terminal slot and the pre-tightening slot;

[0007] A terminal, the terminal comprising a terminal body and a stop plate arranged on a side of the terminal body, the terminal body being inserted in the terminal slot, and the stop plate being inserted in the pre-tightening opening;

[0008] The pretensioner comprises a pretensioner body and a stop block arranged on the side of the pretensioner body, the pretensioner body is buckled and fixed in the pretensioning groove, the stop block is inserted in the pretensioning opening and the stop plate is pressed against the bottom of the pretensioning opening.

[0009] The preferred technical solution is: a locking groove is provided on the inner wall of the pre-tightening groove, and a spring buckle is provided on the outer wall of the pre-tightening member body, and the locking groove and the spring buckle are arranged in a corresponding matching manner.

[0010] A preferred technical solution is that the pre-tightening opening gradually converges inwards along the plugging direction, and the bottom width of the pre-tightening opening matches the thickness of the stop plate.

[0011] The preferred technical solution is: a push rod is connected to the rear end of the preload body, and inwardly arranged grooves are provided on two opposite sides of the connection between the push rod and the preload body.

[0012] The preferred technical solution is: it also includes a sealing gasket and a connector tail cover, the sealing gasket is sealingly embedded in the slot, the connector tail cover is buckled and fixed to the rear end of the connector housing and presses the sealing gasket against the bottom of the slot.

[0013] A preferred technical solution is: it also includes a sealing ring, and the sealing ring is sleeved on the plug-in end of the connector housing.

[0014] Due to the application of the above technical solution, the utility model has the following beneficial effects:

[0015] The utility model provides a terminal pre-tightening assembly structure suitable for connectors. The terminal 2 is clamped and fixed inside the connector housing by a pre-tightening piece, which has a high anti-retraction performance; a push rod is arranged at the rear end of the pre-tightening piece body, so that the operator can assemble the pre-tightening piece in place from the outside without using additional auxiliary tools, thereby avoiding damage to the connector caused by the auxiliary tools; it has the characteristics of simple and ingenious structure, reliable connection performance, convenient and fast assembly, and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the connector involved in the utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of the connector housing involved in the utility model.

[0018] Figure 3 This is a schematic diagram of the terminal structure involved in the utility model.

[0019] Figure 4 The utility model is a schematic structural diagram of the terminal and the connector housing in an assembled state.

[0020] Figure 5 This is a schematic diagram of the structure of the pre-tightening member involved in the utility model.

[0021] Figure 6 The present invention is a schematic structural diagram of the preloaded component and the connector housing in an assembled state. DETAILED DESCRIPTION

[0022] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0023] See also Figure 1-Figure 6. It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and 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.

[0025] Example:

[0026] like Figures 1 to 6 As shown, according to an overall technical concept of the utility model, a terminal pre-tightening assembly structure suitable for a connector is provided, comprising: a connector housing 1, a slot 11 is provided at the rear end of the connector housing 1, a terminal slot 12 and a pre-tightening slot 13 are provided at the bottom of the slot 11, and a pre-tightening opening 14 is provided between the terminal slot 12 and the pre-tightening slot 13 and is communicated with each other; a terminal 2, the terminal 2 comprises a terminal body 21 and a stop plate 22 arranged on the side of the terminal body 21, the terminal body 21 is inserted in the terminal slot 12, and the stop plate 22 is inserted in the pre-tightening opening 14; a pre-tightening member 3, the pre-tightening member 3 comprises a pre-tightening member body 31 and a stop block 32 arranged on the side of the pre-tightening member body 31, the pre-tightening member body 31 is buckled and fixed in the pre-tightening slot 13, the stop block 32 is inserted in the pre-tightening opening 14 and the stop plate 22 is pressed against the bottom of the pre-tightening opening 14. That is, the terminal 2 is locked in the terminal slot 12 by the stop plate 22, so that the terminal 2 has a strong anti-retraction performance.

[0027] like Figures 1 to 6As shown, in an exemplary embodiment of the utility model, a locking groove 131 is provided on the inner wall of the pre-tightening groove 13, and a spring buckle 311 is provided on the outer wall of the pre-tightening member body 31, and the locking groove 131 and the spring buckle 311 are correspondingly matched; this structure is used to achieve a fixed connection between the pre-tightening member 3 and the connector housing 1.

[0028] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, the pre-tightening opening 14 gradually converges inward along the plug-in direction, and the bottom width of the pre-tightening opening 14 matches the thickness of the stop plate 22; this structure can prevent the terminal 2 from shaking left and right in the terminal slot 12 by limiting the thickness direction (left and right) of the stop plate 22.

[0029] like Figures 1 to 6 As shown, in an exemplary embodiment of the utility model, a push rod 33 is connected to the rear end of the preloaded member body 31, and two opposite sides of the connection between the push rod 33 and the preloaded member body 31 are provided with inwardly arranged grooves 331; during assembly, the assembler can assemble the preloaded member 3 in place through the push rod 33, avoiding the assembler from using auxiliary tools to assemble the preloaded member 3 and causing damage to the connector. Inwardly arranged grooves 331 are provided on two opposite sides of the connection between the push rod 33 and the preloaded member body 31, that is, the connection is thinned so that the push rod 33 can be separated from the preloaded member 31 after assembly. It should be noted that a sink groove is provided at the rear end of the preloaded member body 31, and the push rod 33 is connected to the sink groove. This structure can prevent the remaining part of the push rod 33 from protruding from the rear end of the preloaded member body after separation from the preloaded member body 31, thereby affecting the sealing performance.

[0030] like Figures 1 to 6 As shown, in an exemplary embodiment of the utility model, it also includes a sealing gasket (not shown) and a connector tail cover 4, the sealing gasket is sealingly embedded in the slot 11, the connector tail cover 4 is buckled and fixed to the rear end of the connector housing 1 and presses the sealing gasket against the bottom of the slot 11.

[0031] like Figures 1 to 6 As shown, in an exemplary embodiment of the present utility model, a sealing ring 5 is further included, and the sealing ring 5 is sleeved on the plug-in end of the connector housing 1 .

[0032] During assembly, the tail end of the terminal 2 is crimped with the wire harness, and then the terminal body 21 is inserted into the terminal slot 12, and the stop plate 22 is inserted into the pre-tightening opening 14; then, the pre-tightening member body 31 is inserted into the pre-tightening slot 13, and the stop block 32 is inserted into the pre-tightening opening 14; then, the push rod 33 is used to apply an inward force to the pre-tightening member body 31 along the plugging direction, so that the spring buckle 311 is buckled into the lock slot 131 to achieve locking. Then, the push rod 33 is swung left and right to separate it from the pre-tightening member body 31; then, the sealing gasket is assembled into the slot 11, and the connector tail cover 5 is buckled and fixed to the tail end of the connector housing 1 to complete the assembly of the connector. This solution fixes the terminal 2 inside the connector housing 1 by means of the preload 3, and has a high anti-retraction performance; by arranging a push rod 33 at the rear end of the preload body 31, the operator can assemble the preload 3 into place from the outside without using additional auxiliary tools, thereby avoiding damage to the connector by the auxiliary tools; it has the characteristics of simple and ingenious structure, reliable connection performance, and convenient and fast assembly, and is suitable for promotion.

[0033] Therefore, the utility model has the following advantages:

[0034] The utility model provides a terminal pre-tightening assembly structure suitable for connectors. The terminal 2 is clamped and fixed inside the connector housing by a pre-tightening piece, which has a high anti-retraction performance; a push rod is arranged at the rear end of the pre-tightening piece body, so that the operator can assemble the pre-tightening piece in place from the outside without using additional auxiliary tools, thereby avoiding damage to the connector caused by the auxiliary tools; it has the characteristics of simple and ingenious structure, reliable connection performance, convenient and fast assembly, and is suitable for promotion.

[0035] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A terminal pre-tightening assembly structure suitable for a connector, characterized in that: include: A connector housing, wherein a slot is provided at the rear end of the connector housing, a terminal slot and a pre-tightening slot are provided at the bottom of the slot, and a pre-tightening opening communicating with each other is provided between the terminal slot and the pre-tightening slot; A terminal, the terminal comprising a terminal body and a stop plate arranged on a side of the terminal body, the terminal body being inserted in the terminal slot, and the stop plate being inserted in the pre-tightening opening; The pretensioner comprises a pretensioner body and a stop block arranged on the side of the pretensioner body, the pretensioner body is buckled and fixed in the pretensioning groove, the stop block is inserted in the pretensioning opening and the stop plate is pressed against the bottom of the pretensioning opening.

2. The terminal pre-tightening assembly structure suitable for a connector according to claim 1, characterized in that: A locking groove is arranged on the inner wall of the pre-tightening groove, and a spring buckle is arranged on the outer wall of the pre-tightening member body, and the locking groove and the spring buckle are arranged in a corresponding and matching manner.

3. The terminal pre-tightening assembly structure suitable for a connector according to claim 1, characterized in that: The pre-tightening opening gradually converges inwards along the plugging direction, and the bottom width of the pre-tightening opening matches the thickness of the stop plate.

4. The terminal pre-tightening assembly structure suitable for a connector according to claim 1, characterized in that: A push rod is connected to the rear end of the preloaded component body, and inwardly arranged grooves are provided on two opposite sides of the connection between the push rod and the preloaded component body.

5. The terminal pre-tightening assembly structure suitable for a connector according to claim 1, characterized in that: It also includes a sealing gasket and a connector tail cover, wherein the sealing gasket is sealingly embedded in the slot, and the connector tail cover is buckled and fixed to the rear end of the connector housing and presses the sealing gasket against the bottom of the slot.

6. The terminal pre-tightening assembly structure suitable for a connector according to claim 1, characterized in that: It also includes a sealing ring, which is sleeved on the plug-in end of the connector housing.

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