Metal connector plug assembly

Abstract

The utility model relates to the technical field of metal connector plug assemblies, in particular to a metal connector plug assembly, which comprises an elastic sheet, a metal shell, a shielding ring, a pressing ring, a rubber ring, a plastic sheath and a power terminal. The plastic sheath is internally provided with a power terminal, the plastic sheath is externally sleeved with a metal shell, a short-circuit terminal is installed in a jack in the inner wall of the front end, and the tail end is provided with a shielding ring and a pressing ring; the double-layer shielding wire at the inner side of the shielding ring is wound around the wire sheath for one circle, then is turned over to the outer side of the shielding ring and is crimped through the pressing ring; the compression ring is connected with the wire clamp through the rubber ring; the exterior of the wire clamp is fixed at the tail end of the metal shell through the tail cover; and an elastic sheet is arranged in the middle of the metal shell. The plug assembly is reliable in fixation, simple in operation and low in cost, and can provide large holding force; the crimping holding force of the shielding ring is effectively improved, and the shielding contact effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal connector plug assembly technical field especially a metal connector plug assembly. BACKGROUND

[0002] Metal connector has very outstanding advantages on the conduction of large current such as excellent shielding performance, good heat dissipation capacity, stronger environmental resistance, smaller installation interface size (same grade plastic product) etc. Most metal connector plugs on the market now all adopt pin form, and interlocking short-circuit terminals adopt short-circuit rectangular pin or single-sided patch form, which has connection risk.

[0003] The power terminal fixing form of the product on the market mainly relies on the metal tail cover stacking mode for fixing, and due to the influence of the internal rubber ring, the rubber ring collapses after long-period use, and the terminal has large shaking amount. Some products use a clasp spring to fix a plastic sleeve to indirectly fix the terminal, and this form is complex in structure, inconvenient to operate and high in cost.

[0004] The interlocking short-circuit terminals of the plugs in the above two forms also adopt short-circuit rectangular pins or single-sided patches, which have connection risk. UTILITARIAN CONTENT

[0005] In order to overcome the defects that the power terminal fixing form of the product on the market mainly relies on the metal tail cover stacking mode for fixing, and due to the influence of the internal rubber ring, the rubber ring collapses after long-period use, and the terminal has large shaking amount, some products use a clasp spring to fix a plastic sleeve to indirectly fix the terminal, and this form is complex in structure, inconvenient to operate and high in cost, and the interlocking short-circuit terminals of the plugs in the two forms also adopt short-circuit rectangular pins or single-sided patches, which have connection risk, the utility model provides a metal connector plug assembly.

[0006] The utility model discloses a metal connector plug assembly, including elastic sheet, metal shell, shielding ring, pressure ring, rubber ring, plastic sheath and power terminal, the inside of plastic sheath is equipped with power terminal, and the outside is equipped with metal shell, and the inner wall of front end is installed with short-circuit terminal, and the end is along the length direction and is equipped with shielding ring and pressure ring, the double shielding wire of shielding ring inboard is from the wire skin and is folded to the shielding ring outside again, and is connected through the pressure ring pressure joint, the pressure ring is connected through the rubber ring and is fixed in the metal shell end with the tail cover outside the wire clamp, the metal shell middle installation has the elastic sheet.

[0007] According to another embodiment of the utility model, further including, the power terminal front end is installed with the contact finger cap.

[0008] According to another embodiment of the utility model, further include, the recess is equipped in the plastic sheath middle, the recess is through the arc plastic card clamping power terminal in.

[0009] According to another embodiment of the utility model, further include, the elastic sheet middle is installed in the metal shell middle through the pin shaft, and the bottom is clamped with the button;The pin shaft middle penetrates the elastic sheet spring;The elastic sheet spring middle is connected in the button bottom through the button spring.

[0010] According to another embodiment of the utility model, further include, the button is hollow structure, and the bottom is equipped with two groups of clamping slots, and is matched with the elastic sheet bottom block;The button spring is installed in the elastic sheet inside.

[0011] According to another embodiment of the utility model, further include, the metal shell outside annular groove is equipped with sealing ring.

[0012] According to another embodiment of the utility model, further include, the metal shell bottom is equipped with several groups of trapezoidal lugs, and the tail cover is equipped with several groups of through holes;The trapezoidal lug and through hole are matched.

[0013] According to another embodiment of the utility model, further include, the short-circuit terminal is the short-circuit terminal of jack form, and the side is equipped with elastic piece, and is inserted with the jack of plastic sheath top side, and the jack outside is equipped with through hole, and is matched with elastic piece.

[0014] The utility model discloses the beneficial effect is, plastic sheath is fixed with elastic sheet and metal shell, to reach the effect of power terminal fixed, fixed reliable, simple operation, low in cost, and can provide greater holding force;Jack form short-circuit terminal, reliable connection;Shielding ring press ring's form because shielding ring and wire skin between the shielding wire can effectively improve shielding ring pressure joint holding force, improved shielding contact effect;Rubber ring adopts double-layer structure, and the back half part rubber ring only and cable contact, realizes and the sealing between cable through the tightening action of wire clamp and tail cover, and the front half part rubber ring realizes sealing through and metal shell interference compression, and the front half part rubber ring directly because not needing and cable sealing is placed on shielding ring, and this pressure joint form effectively saves the space, and the back half part rubber ring can swing with cable and swing sealing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and embodiment.

[0016] Figure 1 It is the explosion schematic drawing of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3is the left view of the utility model;

[0019] Figure 4 is Figure 2 A-A section view of the utility model;

[0020] Figure 5 is the perspective view of the utility model;

[0021] Figure 6 is the section view of the utility model;

[0022] Figure 7 is the structural schematic view of the elastic sheet;

[0023] Figure 8 is the installation schematic view of the short circuit terminal.

[0024] In the drawing, 1 is a sealing ring, 2 is a pin shaft, 3 is an elastic sheet, 4 is an elastic sheet spring, 5 is a button spring, 6 is a button, 7 is a metal shell, 8 is a shielding ring, 9 is a pressing ring, 10 is a rubber ring, 11 is a wire clamp, 12 is a tail cover, 13 is an arc-shaped plastic card, 14 is a power terminal, 15 is a contact finger cap, 16 is a plastic sheath, and 17 is a short circuit terminal. DETAILED DESCRIPTION

[0025] As Figure 1 is the structural schematic view of the utility model, a metal connector plug assembly, comprising an elastic sheet 3, a metal shell 7, a shielding ring 8, a pressing ring 9, a rubber ring 10, a plastic sheath 16 and a power terminal 14; the plastic sheath 16 is internally provided with the power terminal 14, externally provided with the metal shell 7, internally provided with the short circuit terminal 17 at the front end, and externally provided with the shielding ring 8 and the pressing ring 9 at the tail end; the double-layer shielding wire on the inner side of the shielding ring 8 is wound around the wire skin once and then folded to the outer side of the shielding ring 8 and is pressure-welded through the pressing ring 9; the pressing ring 9 is connected with the wire clamp 11 through the rubber ring 10, and the wire clamp 11 is fixed at the tail end of the metal shell 7 through the tail cover 12; the metal shell 7 is internally provided with the elastic sheet 3.

[0026] Specifically, the shielding ring 8 and the pressing ring 9 are in the form of pressure-welding, and the shielding ring 8 is internally provided with the pressing ring 9 externally for pressure-welding, the pressure-welding mode of this form can effectively improve the pressure-welding retention of the shielding ring 8 and the wire skin due to the shielding wire between the shielding ring 8 and the wire skin, and the shielding wire is in a double-layer structure, thereby improving the shielding contact effect; the rubber ring 10 is in a double-layer structure, the rear half of the rubber ring is only in contact with the wire cable, the sealing between the rubber ring and the wire cable is realized through the tightening action of the wire clamp 11 and the tail cover 12, the front half of the rubber ring is sealed through interference compression with the metal shell 7, and the front half of the rubber ring is directly placed on the shielding ring 8 without the need for sealing with the wire cable, this pressure-welding form effectively saves space, and the rear half of the rubber ring can swing with the wire cable and the swing sealing effect is better.

[0027] According to another embodiment of the utility model, further include, the power terminal 14 front end is equipped with the finger cap 15 of installation.

[0028] According to another embodiment of the utility model, further include, the recess is equipped in the plastic sheath 16 middle, the recess is tightly clamped power terminal 14 through the arc plastic card 13, the arc plastic card 13 reaches the effect of power terminal fixed, fixed reliable, simple operation, low cost, and can provide greater holding force.

[0029] According to another embodiment of the utility model, further include, the elastic sheet 3 middle is installed in the metal shell 7 middle through the pin shaft 2, and the bottom is clamped with the button 6;The pin shaft 2 middle passes through the elastic sheet spring 4;The elastic sheet spring 4 middle is connected in the button 6 bottom through the button spring 5.

[0030] According to another embodiment of the utility model, further include, the button 6 is hollow structure, and the bottom is equipped with two groups of clamping grooves, and is matched with the bottom clamping block of elastic sheet 3;The button spring 5 is installed in the elastic sheet 3 inside.

[0031] According to another embodiment of the utility model, further include, the metal shell 7 outside annular groove is equipped with sealing ring 1.

[0032] According to another embodiment of the utility model, further include, the metal shell 7 bottom is equipped with several groups of trapezoidal lugs, and the tail cover 12 is equipped with several groups of through holes;The trapezoidal lug and through hole are matched.

[0033] According to another embodiment of the utility model, further include, the short-circuit terminal 17 is the short-circuit terminal of jack form, and the side is equipped with elastic piece, and is inserted with the jack of plastic sheath 16 top side, and the through hole is equipped on the outside of jack, and is matched with elastic piece.

[0034] Specific operation process, through the arc plastic card 13 through the form of plastic sheath 16 tightly clamps power terminal 14, and installs short-circuit terminal 17 in the form of jack in front of plastic sheath 16, and the outside of plastic sheath 16 is fixed through elastic sheet 3 and metal shell 7, and installs shielding ring 8 and pressure ring 9 in the end, and realizes the sealing between cable through the tightening effect of rubber ring 10, wire clamp 11 and tail cover 12, and shoulder tail cover 12 is installed in the tail of metal shell 7.

[0035] The above description is only illustrative, not restrictive, and those skilled in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope of the appended claims.

Claims

1. A metal connector plug assembly, characterized in that, It includes a spring (3), a metal shell (7), a shielding ring (8), a pressure ring (9), a rubber ring (10), a plastic sheath (16), and a power terminal (14); the plastic sheath (16) has a power terminal (14) inside and a metal shell (7) on the outside. A short-circuit terminal (17) is installed on the inner wall of the front end, and a shielding ring (8) and a pressure ring (9) are provided at the end along the length direction; the double-layer shielding wire inside the shielding ring (8) wraps around the wire sheath once and then folds to the outside of the shielding ring (8), and is pressed by the pressure ring (9); the pressure ring (9) is connected to the wire clamp (11) through the rubber ring (10), and the wire clamp (11) is fixed to the end of the metal shell (7) through the tail cap (12); the spring (3) is installed in the middle of the metal shell (7).

2. The metal connector plug assembly according to claim 1, characterized in that, A finger cap (15) is installed at the front end of the power terminal (14).

3. The metal connector plug assembly according to claim 1, characterized in that, The plastic sheath (16) has a groove in the middle, and the power terminal (14) is clamped in the groove by an arc-shaped plastic card (13).

4. The metal connector plug assembly according to claim 1, characterized in that, The spring (3) is mounted in the middle of the metal housing (7) through the pin (2), and the bottom is snapped with a button (6); the spring spring (4) passes through the middle of the pin (2); the spring spring (4) is connected to the bottom of the button (6) through the button spring (5).

5. The metal connector plug assembly according to claim 4, characterized in that, The button (6) has a hollow structure and two sets of slots at the bottom, which match the bottom slots of the spring (3); the button spring (5) is installed inside the spring (3).

6. The metal connector plug assembly according to claim 1, characterized in that, A sealing ring (1) is provided in the annular groove on the outside of the metal housing (7).

7. The metal connector plug assembly according to claim 1, characterized in that, The metal casing (7) has several sets of trapezoidal protrusions at its bottom, and the tail cap (12) has several sets of through holes; the trapezoidal protrusions and through holes are matched.

8. The metal connector plug assembly according to claim 1, characterized in that, The short-circuit terminal (17) is a short-circuit terminal in the form of a socket, with a spring on the side, which is inserted into the socket on the top side of the plastic sheath (16), and a through hole is provided on the outside of the socket to match the spring.

Images