Wiring terminal protective sleeve

Abstract

The protective sleeve comprises a lower shell and an upper shell, the upper shell and the lower shell are symmetrically arranged up and down, each of the lower shell and the upper shell comprises a rectangular shell and a semi-cylindrical shell at the front end of the rectangular shell, the rear end of the rectangular shell is provided with a semi-circular opening, the left sides of the lower shell and the upper shell are provided with connecting plates, and the right sides of the upper shell and the lower shell are hinged. The connecting plates of the upper shell and the lower shell are in butt joint and connected through bolts, the left side and the right side in the rectangular shell of the lower shell are connected with limiting pieces capable of stretching and retracting left and right in a front-back sliding mode, and two abutting pieces capable of abutting against the limiting pieces forwards are arranged in the lower shell. The lower shell and the upper shell are arranged to be of a rectangular shell and semi-cylindrical shell structure, the wiring terminal is placed in the rectangular shell, the front-back position of the limiting piece and the extending length of the limiting piece are adjusted according to the port condition of the insertion sub-end of the wiring terminal, and the limiting piece can abut against the rear side of the port of the insertion sub-end of the wiring terminal; the connection tightness of the insertion sub-end and the insertion female end of the wiring terminal is ensured, and the insertion terminal is prevented from loosening at the joint.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of wiring terminal protection, especially relates to a wiring terminal protection sleeve. BACKGROUND

[0002] The wiring terminal is a kind of accessory product for realizing electrical connection, is used to connect wire, and transmits electric signal.In prior art, after wiring terminal connects wire, wiring terminal protection sleeve is usually wrapped in the periphery of wiring terminal to protect wiring terminal.

[0003] For wiring terminal protection sleeve, in prior art, after retrieval, Chinese patent publication No.CN206532927U utility model patent discloses wiring terminal protection sleeve, as shown in Figure 1 Mainly include lower shell a and upper shell b, lower shell a and upper shell b are buckled together, lower shell a and upper shell b inside are equipped with accommodating cavity c, wiring terminal is in the accommodating cavity of lower shell and upper shell.

[0004] In prior art, wiring terminal protection sleeve similar to the above technical scheme is found to have room for improvement in actual implementation process: after wiring terminal is placed in lower shell and upper shell is covered, cannot be extruded to the tightness of wiring terminal according to the condition of wiring terminal itself, when pulling one side wire, it is easy to make the wiring terminal of mutual butt joint separate, cannot prevent the loosening of wiring terminal. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies and shortcomings in prior art, the purpose of the utility model is to provide a wiring terminal protection sleeve, solve the problem that wiring terminal protection sleeve in prior art is easy to make the wiring terminal of mutual butt joint separate when pulling one side wire, cannot prevent the loosening of wiring terminal.

[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme: a wiring terminal protection sleeve, including lower shell and upper shell, lower shell and upper shell are made of insulating material, upper shell and lower shell are the same shape, and are symmetrically arranged, the lower shell and upper shell all include rectangular shell and semicircular cylinder shell at the front end of rectangular shell, the rear end of rectangular shell is equipped with a semicircular opening, the left side of lower shell and upper shell is equipped with connecting plate, the right side of upper shell and lower shell is hinged, the connecting plate of upper shell and lower shell is butted together, and is connected by bolt, the left and right sides of the rectangular shell of lower shell are slidably connected with one front and rear limit piece that can stretch out and draw back left and right, the lower shell is equipped with two top tight pieces that can top tight limit piece forward, the limit piece is used to top tight the inserted sub end of wiring terminal on the plug-in female end of wiring terminal.

[0007] As a further improvement of the utility model, a layer of soft sleeve is arranged on the inner wall of the upper shell and the lower shell.

[0008] As a further improvement of the utility model, the limiting piece comprises a sleeve, the left and right sides of the rectangular shell in the lower shell are provided with sliding grooves, sliding blocks are connected in the sliding grooves and slide forward and backward, the sleeve is connected to the sliding blocks, the sleeve is slidably connected with an extension rod which can slide left and right, and the sleeve is provided with a locking bolt which can lock the extension rod in the sleeve.

[0009] As a further improvement of the utility model, the extension rod is provided with an arc-shaped plate at the end far from the sleeve.

[0010] As a further improvement of the utility model, the jacking piece comprises a threaded cylinder, the rear end of the threaded cylinder is fixed to the rear side wall of the rectangular shell in the lower shell, and a threaded shaft which can be jacked against the sleeve is threadedly connected in the threaded cylinder.

[0011] As a further improvement of the utility model, a rubber layer is arranged in the semicircular opening.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. By setting the lower shell and the upper shell as the structure of the rectangular shell and the semicircular cylinder shell, the connection fastness of the plug-in female end and the plug-in male end of the wiring terminal is ensured, that is, the plug-in male end of the wiring terminal is firmly plugged in the plug-in female end, so that the wiring terminal is difficult to be separated when pulling the wire on one side, the plug-in terminal is prevented from loosening at the connection, and the use quality of the wiring terminal is improved.

[0014] 2. By arranging the soft sleeve in the upper shell and the lower shell, the wiring terminal is buffered and protected.

[0015] 3. By setting the limiting piece as the structure of the sleeve and the extension rod, the sleeve is connected to the lower shell through the sliding blocks and slides forward and backward, so that the extension rod can be jacked against the port of the wiring terminal according to the actual wiring terminal, and then the jacking piece is jacked against the rear side of the sleeve, so that the adjustment is simple, the jacking piece is suitable for different wiring terminals, and the adaptability is strong.

[0016] 4. By setting the jacking piece as the structure of the threaded cylinder and the threaded shaft, the threaded shaft can be jacked against the sleeve after the position of the sleeve is adjusted, so that the sleeve is prevented from sliding backward. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in connection with the drawings:

[0018] Figure 1 It is the structural schematic diagram of prior art;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 3 It is the structural schematic diagram of the utility model under opening;

[0021] Figure 4 It is Figure 3 It is the structural schematic diagram at A;

[0022] In the figure: 1, upper shell;11, rectangular shell;12, half cylinder shell;13, half circle opening;14, connecting plate;2, lower shell;3, soft sleeve;4, limiting piece;41, sleeve;42, sliding groove;43, sliding block;44, extension rod;45, locking bolt;46, arc plate;5, jacking piece;51, threaded cylinder;52, threaded shaft;6, rubber layer;7, terminal;71, insertion sub end;72, plug-in female end. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings Figures 2-4 The utility model will be further described in detail. For more clearly show, only the structure related to the utility model point is shown in the figure.

[0024] In order to facilitate the description, now define the coordinate system as Figure 2 As shown, and with left and right direction as horizontal, front and back direction as vertical, up and down direction as vertical.

[0025] The utility model embodiment discloses a terminal protection sleeve. Refer to Figure 2 And Figure 3The utility model provides a terminal protection sleeve, including lower shell 2 and upper shell 1, lower shell 2 and upper shell 1 are made of insulating material, upper shell 1 and lower shell 2 are same shape, and upper and lower symmetry is arranged, the lower shell 2 and upper shell 1 all include rectangular shell 11 and semicircular cylinder shell 12 in the front end of rectangular shell 11, and the rear end of rectangular shell 11 is equipped with a semicircular opening 13, and the diameter of semicircular opening 13 is greater than the diameter of wire, in addition, the semicircular opening is equipped with rubber layer 6, and the left side of lower shell 2 and upper shell 1 is equipped with connecting plate 14, the right side of upper shell 1 and lower shell 2 is hinged through hinge, and the connecting plate 14 of upper shell 1 and lower shell 2 is butted together and is connected through bolt, and the inner wall of upper shell 1 and lower shell 2 is equipped with a layer of soft sleeve 3, thereby the terminal 7 is protected to a certain extent, and the rectangular shell 11 of lower shell 2 is slidably connected with a left and right telescopic limiting piece 4 in front and back on the left and right sides, and the lower shell 2 is equipped with two taut members 5 capable of tautly limiting piece 4 to the front, and the limiting piece 4 is used to tautly insert the sub terminal 71 of terminal 7 on the plug-in female end 72 of terminal 7.

[0026] As Figure 3 And Figure 4 For the limiting piece 4, specifically including sleeve 41, the left and right sides of the rectangular shell 11 in the lower shell 2 are provided with sliding grooves 42, the sliding grooves 42 are slidably connected with sliding blocks 43 in front and back, the sliding blocks 43 are connected with the sleeve 41, the sleeve 41 is slidably connected with the telescopic rod 44 that can slide left and right in the sleeve 41, and the sleeve 41 is provided with locking bolts 45 that can lock the telescopic rod 44 in the sleeve 41. In addition, the telescopic rod 44 is provided with an arc plate 46 at one end away from the sleeve 41. For the taut member 5, specifically including a threaded cylinder 51, the rear end of the threaded cylinder 51 is fixed on the rear side wall of the rectangular shell 11 in the lower shell 2, and the threaded cylinder 51 is threadedly connected with a threaded shaft 52 capable of being taut on the sleeve 41. By setting the taut member 5 as the structure of the threaded cylinder 51 and the threaded shaft 52, the threaded shaft 52 can be taut on the sleeve 41 after adjusting the position of the sleeve 41, preventing the sleeve 41 from slipping backward. By setting the limiting piece 4 as the structure of the sleeve 41 and the telescopic rod 44, the sleeve 41 is slidably connected in the lower shell 2 through the sliding block 43, so that the sleeve 41 and the telescopic rod 44 can be adjusted in length according to the actual situation of the terminal 7, so that the telescopic rod 44 can be taut at the port of the terminal 7, and then the taut member 5 is taut at the rear side of the sleeve 41, which is simple to adjust and suitable for different terminals 7, with strong flexibility.

[0027] The utility model discloses a rectangular shell 11 and half cylinder shell 12 structure are set to lower shell 2 and upper shell 1, and the one end of the female end 72 of plug-in of the female end 72 of plug-in and the one end of the insertion subend 71 of terminal 7 is docked to complete the formation terminal 7, and then the terminal 7 is placed into the rectangular shell 11, and the wire of the one end of the female end 72 of plug-in of terminal 7 is drawn out of the half cylinder shell 12, and the wire of the one side of the insertion subend 71 of terminal 7 is drawn out of the half open mouth, then according to the port condition of the insertion subend 71 of terminal 7, the front and rear position of limiting piece 4 and the extension length of limiting piece 4 are adjusted, thereby making limiting piece 4 be able to be supported at the rear side of the port of the insertion subend 71 of terminal 7, and the connection fastness of the insertion subend 71 and the female end 72 of plug-in of terminal 7, that is, making the insertion subend 71 of terminal 7 be firmly plugged in the female end 72 of plug-in, then when pulling the wire of one side, it is also difficult to make the terminal 7 of mutual docking produce separation, prevent the female end of plug-in terminal from loosening at the connecting place, and improve the use quality of terminal 7.

[0028] In the description of the utility model, it is explained that, unless there is definite and limited, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances. It should be understood that the specific embodiment described here is only for understanding the utility model, and is not used to limit the utility model, and all other embodiments obtained by ordinary skilled in the art without making creative labor are all within the scope of the utility model protection.

Claims

1. A terminal protector comprising a lower shell and an upper shell, the lower shell and the upper shell being made of an insulating material, characterized in that: The upper shell and the lower shell are symmetrical and have the same shape, and each of the upper shell and the lower shell comprises a rectangular shell and a semi-cylindrical shell at the front end of the rectangular shell, and a semi-circular opening is arranged at the rear end of the rectangular shell; a connecting plate is arranged at the left side of the lower shell and the upper shell; the right sides of the upper shell and the lower shell are hingedly connected; the connecting plates of the upper shell and the lower shell are butted together and connected by bolts; a left and right telescopic limiting member is slidably connected to the front and rear of the rectangular shell in the lower shell; two clamping members capable of clamping the limiting member are arranged in the lower shell; and the limiting member is used for clamping the insertion sub-terminal of the terminal on the plug-in female terminal.

2. A terminal cover according to claim 1, wherein: A soft sleeve is arranged on the inner wall of the upper shell and the lower shell.

3. A terminal cover according to claim 1, wherein: The limiting member comprises a sleeve, and the left and right sides of the rectangular shell in the lower shell are provided with sliding grooves, and the sliding grooves are slidably connected with sliding blocks in the front and rear directions; the sliding blocks are connected with the sleeve; the sleeve is slidably connected with a left and right telescopic extending rod; and the sleeve is provided with a locking bolt capable of locking the extending rod in the sleeve.

4. A terminal cover according to claim 3, wherein: An arc-shaped plate is arranged at the end of the extending rod away from the sleeve.

5. A terminal cover according to claim 3, wherein: The clamping member comprises a threaded cylinder, the rear end of the threaded cylinder is fixed to the rear side wall of the rectangular shell in the lower shell, and a threaded shaft capable of clamping the sleeve is threadedly connected in the threaded cylinder.

6. A terminal cover according to claim 1, wherein: A rubber layer is arranged in the semi-circular opening.

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