Insulation plug capable of blind plugging

Abstract

The utility model discloses an insulating plug capable of blind plugging, which relates to the field of electric connectors and comprises a plug and a socket, the plug comprises a movable outer sleeve, the front end of the movable outer sleeve is fixedly connected with a colored ring, an inner sleeve is sleeved in the movable outer sleeve, and a plurality of clamping blocks capable of elastically shrinking are arranged on one side of the inner sleeve. When the plug is inserted into the socket, a part of the front end of the insertion tube is inserted into the shell firstly, then the plug is rotated properly, the insertion tube can be inserted into the shell smoothly, and the clamping blocks are driven to be clamped into the clamping grooves through the elastic force of the connecting elastic pieces and cannot be pulled out, and when the plug needs to be pulled out, the movable outer sleeve is pulled towards the rear end of the inner sleeve, so that the plug is pulled out. At the moment, the edge of the embedding groove is squeezed by the inclined face of the clamping block to retract into the movable outer sleeve again, the connector can be pulled out smoothly at the moment, the opposite insertion accuracy is improved, rapid insertion and pulling and blind insertion are achieved, the connector is suitable for installation in a relatively narrow space and places where insertion and separation are difficult in a rotating mode, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, specifically relates to an insulating plug of blind insertion. BACKGROUND

[0002] Electric connector is used for realizing strong or weak electric transmission, is mainly used for the quick connection and disconnection between two electric wires, has the advantages of convenient and fast connection and disconnection, is generally plug-in structure, and has a connecting ring as locking device, since the connecting ring needs to be rotated and locked, so it is generally circular (that is, the cross section is circular, and the whole is cylindrical), and is generally called circular electric connector.

[0003] At present, the connection between the plug and the socket is only completed by the friction force of the two, and this mode is prone to falling under the influence of external force, and the plug with the anti-falling function is generally connected with the socket through threaded connection or a clamping plate located on the outer side, the former needs to rotate the connecting ring for several turns, and there are problems of plug-in hand feeling and unclear plugging degree, and since the clamping plate is located on the outer side, it will cause the convex situation on the outer side of the connecting head, and in some narrow space scenes, the separation of the two will be inconvenient, and the practicability is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above problems and provides an insulating plug of blind insertion, which is described in detail below.

[0005] To achieve the above object, the utility model provides the following technical scheme.

[0006] The utility model provides an insulating plug of blind insertion, including plug and socket, the plug includes movable outer sleeve, the movable outer sleeve is fixedly connected with color ring at the front end, the movable outer sleeve is sleeved with inner sleeve, one side of the inner sleeve is equipped with a plurality of elastic contraction's clamping block, and the movable outer sleeve is equipped with a plurality of embedding groove corresponding to the clamping block, the inner sleeve is detachably installed with a plurality of evenly divided pin;

[0007] The socket includes shell, the shell is equipped with a plurality of clamping groove matched with the clamping block, and the inner wall of the shell is equipped with the plugging structure for fixing the insertion angle of the movable outer sleeve, and the shell is equipped with a plurality of pin sleeve matched with the pin.

[0008] As preferred, the front end of the inner sleeve is integrally formed with an inner tube, three evenly distributed through grooves are formed in the inner tube, the clamping block is three, and the three clamping blocks are located in the three through grooves respectively, and the through groove is equipped with the connecting spring for driving the clamping block outside, the surface of the clamping block is designed as a slope, and the tip is towards the front side, and the two sides of the slope are equipped with wear-resistant bevels.

[0009] As preferred, the middle part of the inner sleeve is fixedly connected with a locating protrusion, a counter slot is formed on the inner wall of the movable outer sleeve and is slidably matched with the locating protrusion, and a thread one is formed on the rear end of the inner sleeve.

[0010] As preferred, the middle part of the inner sleeve is fixedly connected with a locating protrusion, a counter slot is formed on the inner wall of the movable outer sleeve and is slidably matched with the locating protrusion, and a thread one is formed on the rear end of the inner sleeve.

[0011] As preferred, the tail end of the wire clamp pipe is provided with a plurality of arc-shaped clamping plates, an extrusion sleeve is sleeved on the outer side of the wire clamp pipe and is used to simultaneously drive the plurality of arc-shaped clamping plates to tilt towards the middle part, the extrusion sleeve is threadedly connected with the thread one, and the end part of each of the arc-shaped clamping plates is provided with a wedge surface matched with the rear end of the extrusion sleeve.

[0012] As preferred, the fitting structure comprises a notch slot one formed on the front end of the wire clamp pipe, a groove one formed on the front end of the side wall of the wire clamp pipe and matched with the notch slot one, an outer ring one fixedly connected with the circumferential surface of the insulator one, an insertion block one fixedly connected with the outer ring one and matched with the notch slot one, a notch slot two formed on the outer ring one, an insertion block two fixedly connected with the inner wall of the inner sleeve and matched with the notch slot two, and a protruding strip one fixedly connected with the inner wall of the inner sleeve and matched with the groove one, wherein the thickness of the protruding strip one is smaller than the thickness of the insertion block two.

[0013] As preferred, the counter-fitting structure comprises an insertion pipe fixedly connected with the front end of the movable outer sleeve and matched with the shell, a plurality of protruding strips two fixedly connected with the side wall of the insertion pipe, wherein the front end of the insertion pipe is longer than the front end of the plurality of protruding strips two, and the plurality of protruding strips two are circumferentially divided based on the axis of the movable outer sleeve, and a plurality of groove twos are formed on the inner wall of the shell and matched with the protruding strips two.

[0014] As preferred, a thread two is formed on the shell, a nut one and a nut two are threadedly connected with the outer side of the shell, an insulator two is inserted into the shell, and a plurality of insertion sleeve holes are formed on the end surface of the insulator two and used to fix the plug sleeve.

[0015] As preferred, an outer ring two is fixedly connected with the circumferential surface of the insulator two, a notch slot three is formed on the outer ring two, and an insertion block three is fixedly connected with the inner wall of the shell and matched with the notch slot three.

[0016] The beneficial effects are as follows:

[0017] When the plug is inserted into the socket, a part of the front end of the insertion tube is first inserted into the inside of the shell, and then the plug is appropriately rotated, the insertion tube can be smoothly inserted into the shell, the clamping block is clamped into the clamping groove by the elastic force of the connecting elastic sheet, and the plug cannot be pulled out, when the plug needs to be pulled out, the rear end of the inner sleeve is pulled to pull the movable outer sleeve, at this time, the edge of the embedded groove is extruded by the inclined surface of the clamping block and is retracted into the movable outer sleeve, at this time, the plug can be smoothly pulled out, the plugging accuracy is improved, and quick plugging, blind plugging, installation in a relatively small space and separation by rotation are realized, and the practicability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a split perspective view of the plug of the present application;

[0020] Figure 2 is a split perspective view of the socket of the present application;

[0021] Figure 3 is a partial cross-sectional perspective view of the movable outer sleeve of the present application;

[0022] Figure 4 is a partial cross-sectional perspective view of the inner sleeve of the present application;

[0023] Figure 5 is a perspective view of the wire clamp pipe of the present application;

[0024] Figure 6 is a perspective view of the plug in an assembled state of the present application;

[0025] Figure 7 is a perspective view of the socket in an assembled state of the present application;

[0026] Figure 8 is a partial cross-sectional perspective view of the shell of the present application.

[0027] The following explains the reference signs:

[0028] 1, activity outer cover; 101, insert tube; 102, convex strip two; 103, fitting groove; 104, butt joint groove; 2, color ring; 3, inner cover; 301, alignment protrusion; 302, through groove; 303, connecting spring; 304, clamping block; 305, wear-resistant bevel; 306, inner tube; 307, fitting block two; 308, thread one; 309, convex strip one; 4, pin; 5, insulator one; 501, pin hole; 502, outer ring one; 503, notch groove two; 504, fitting block one; 6, wire clamp tube; 601, notch groove one; 602, groove one; 603, arc-shaped clamp plate; 604, wedge surface; 7, extrusion sleeve; 8, shell; 801, groove two; 802, clamping groove; 803, thread two; 804, fitting block three; 9, nut one; 10, nut two; 11, insulator two; 1101, insert sleeve hole; 1102, outer ring two; 1103, notch groove three; 12, pin tube sleeve. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0030] Referring to Figures 1-8 The utility model provides an insulating plug of blind insertion, including plug and socket, the plug includes activity outer cover 1, the front end of activity outer cover 1 is fixedly connected with color ring 2, the inner cover 3 is sleeved in activity outer cover 1, the one side of inner cover 3 is equipped with a plurality of elastic shrinkable clamping block 304, and the upper of activity outer cover 1 is equipped with a plurality of fitting groove 103 corresponding with clamping block 304, the inner cover 3 is detachably installed with a plurality of even divided pin 4;

[0031] The socket includes shell 8, the shell 8 is equipped with a plurality of clamping groove 802 matched with clamping block 304, and the inner wall of shell 8 is equipped with the butt joint structure for fixing the insertion angle of activity outer cover 1, and the shell 8 is equipped with a plurality of pin tube sleeve 12 matched with pin 4.

[0032] Referring to Figure 3As shown, the front end of the inner sleeve 3 is integrally formed with an inner tube 306, three evenly distributed through grooves 302 are formed on the inner tube 306, three clamping blocks 304 are arranged, and the three clamping blocks 304 are respectively located in the three through grooves 302, and the through grooves 302 are provided with connecting springs 303 for driving the clamping blocks 304 to be located outside the through grooves 302, the surface of the clamping block 304 is designed as a slope surface, and the tip is directed to the front side, and the two sides of the slope surface are provided with wear-resistant bevels 305, the middle part of the inner sleeve 3 is fixedly connected with a positioning protrusion 301, a butt joint groove 104 is formed on the inner wall of the movable outer sleeve 1 and is slidably matched with the positioning protrusion 301, and a thread 308 is formed on the rear end of the inner sleeve 3, the positioning protrusion 301 on the inner sleeve 3 is aligned with the butt joint groove 104 and is inserted, at this time, the three clamping blocks 304 are respectively clamped into the three embedded grooves 103 with the movement of the inner sleeve 3, and the assembly between the inner sleeve 3 and the movable outer sleeve 1 is completed, when it is needed to pull out the plug, the movable outer sleeve 1 is pulled towards the rear end of the inner sleeve 3, at this time, the edge of the embedded groove 103 is extruded by the inclined surface of the clamping block 304 to overcome the elastic force of the connecting spring 303 and is retracted into the movable outer sleeve 1, at this time, it can be smoothly pulled out, and the wear phenomenon can be avoided when the plug-in and plug-out times are too many by arranging the wear-resistant bevels 305.

[0033] As an optional embodiment, the inner sleeve 3 is detachably sleeved with an insulator 5, a plurality of pin holes 501 for fixing the pins 4 are formed on the end face of the insulator 5, the rear end of the inner sleeve 3 is sleeved with a wire clamp pipe 6, the inner sleeve 3, the insulator 5 and the wire clamp pipe 6 are all provided with embedded structures for mutual alignment and insertion, the pins 4 are inserted into the insulator 5, the embedded block one 504 on the insulator 5 is aligned with the notch groove one 601 on the wire clamp pipe 6 and is inserted, the distribution of the pins 4 is uniform, that is, the point distribution of a regular n-polygon, at this time, blind insertion can be realized after the convex strip two 102 at any position is inserted into the concave groove two 801 at any position.

[0034] Referring to Figure 5 As shown, the tail end of the wire clamp pipe 6 is provided with a plurality of arc-shaped clamping plates 603, the outer side of the wire clamp pipe 6 is sleeved with a pressing sleeve 7 for simultaneously driving the plurality of arc-shaped clamping plates 603 to tilt towards the middle part, and the pressing sleeve 7 is threadedly connected with the thread one 308, the end part of the plurality of arc-shaped clamping plates 603 is provided with a wedge surface 604 matched with the rear end of the pressing sleeve 7, when the pressing sleeve 7 is threadedly connected with the thread one 308, the rear end of the pressing sleeve 7 is designed as a small hole diameter, and the wedge surface 604 cooperates with the pressing sleeve 7 to press the plurality of arc-shaped clamping plates 603 to be close to the connecting wire body for clamping, and the teeth on the inner wall of the arc-shaped clamping plate 603 can stably fix the connecting wire body.

[0035] Referring to Figures 4-5As shown, the chimeric structure includes a notch groove 601 opened in the front end of the wire clamp 6, the side wall of the wire clamp 6 is provided with a groove 602 matched with the notch groove 601, the circumference of the insulator 5 is fixedly connected with an outer ring 502, the outer ring 502 is fixedly connected with an insertion block 504 matched with the notch groove 601, the outer ring 502 is provided with a notch groove 503, the inner wall of the inner sleeve 3 is fixedly connected with an insertion block 307 matched with the notch groove 503, the inner wall of the inner sleeve 3 is fixedly connected with a protrusion 309 matched with the groove 602, and the thickness of the protrusion 309 is less than the thickness of the insertion block 307. When the inner sleeve 3, the insulator 5 and the wire clamp 6 are combined with each other, the insertion block 504 on the insulator 5 is inserted into the notch groove 601 on the wire clamp 6, and then the wire clamp 6 and the insulator 5 are inserted into the inner sleeve 3. At this time, the notch groove 503 on the insulator 5 is matched with the insertion block 307 in the inner sleeve 3, and the protrusion 309 in the inner sleeve 3 is matched with the groove 602 on the wire clamp 6, so that the plug is assembled.

[0036] Referring to Figures 6-7 As shown, the chimeric structure includes a notch groove 601 opened in the front end of the wire clamp 6, the side wall of the wire clamp 6 is provided with a groove 602 matched with the notch groove 601, the circumference of the insulator 5 is fixedly connected with an outer ring 502, the outer ring 502 is fixedly connected with an insertion block 504 matched with the notch groove 601, the outer ring 502 is provided with a notch groove 503, the inner wall of the inner sleeve 3 is fixedly connected with an insertion block 307 matched with the notch groove 503, the inner wall of the inner sleeve 3 is fixedly connected with a protrusion 309 matched with the groove 602, and the thickness of the protrusion 309 is less than the thickness of the insertion block 307. When the inner sleeve 3, the insulator 5 and the wire clamp 6 are combined with each other, the insertion block 504 on the insulator 5 is inserted into the notch groove 601 on the wire clamp 6, and then the wire clamp 6 and the insulator 5 are inserted into the inner sleeve 3. At this time, the notch groove 503 on the insulator 5 is matched with the insertion block 307 in the inner sleeve 3, and the protrusion 309 in the inner sleeve 3 is matched with the groove 602 on the wire clamp 6, so that the plug is assembled.

[0037] Referring to Figure 2Or 8, the shell 8 is provided with a threaded two 803, the outer side of the shell 8 is threadedly connected with nut one 9 and nut two 10, the shell 8 is inserted with insulator two 11, the end face of the insulator two 11 is provided with a plurality of insertion sleeve holes 1101 for fixing the pin sleeve 12, the circumferential surface of the insulator two 11 is fixedly connected with outer ring two 1102, the outer ring two 1102 is provided with a notched groove three 1103, the inner wall of the shell 8 is fixedly connected with the insertion block three 804 matched with the notched groove three 1103, the nut one 9 and the nut two 10 are threadedly connected on the shell 8, then the pin sleeve 12 is inserted into the insulator two 11, then the insulator two 11 is inserted into the shell 8, the notched groove three 1103 on the insulator two 11 is inserted with the insertion block three 804 in the shell 8, finally heat sealing, the assembly of the socket can be completed, the notched groove three 1103 and the insertion block three 804 can be matched to form an anti-fooling structure, so that the installation process is more convenient and accurate.

[0038] The working principle of the utility model:

[0039] In use, the alignment protruding block 301 on the inner sleeve 3 is inserted into the butt joint groove 104, at this time, the three clamping blocks 304 are clamped into the three embedded grooves 103 respectively with the movement of the inner sleeve 3, then the pin 4 is inserted into the insulator one 5, the insertion block one 504 on the insulator one 5 is inserted into the notched groove one 601 on the wire clamp pipe 6, then the wire clamp pipe 6 is inserted into the inner sleeve 3 together with the insulator one 5, at this time, the notched groove two 503 on the insulator one 5 is inserted with the insertion block two 307 in the inner sleeve 3, at the same time, the protruding strip one 309 in the inner sleeve 3 is inserted with the recess one 602 on the wire clamp pipe 6, then the extrusion sleeve 7 is threadedly connected with the thread one 308 at the rear end of the inner sleeve 3, the assembly of the plug can be completed;

[0040] The nut one 9 and the nut two 10 are threadedly connected on the shell 8, then the pin sleeve 12 is inserted into the insulator two 11, then the insulator two 11 is inserted into the shell 8, the notched groove three 1103 on the insulator two 11 is inserted with the insertion block three 804 in the shell 8, finally heat sealing, the assembly of the socket can be completed;

[0041] When the plug is inserted into the socket, due to the protrusions 102 being shorter than the insertion tube 101, a part of the front end of the insertion tube 101 is inserted into the shell 8 first, when the protrusions 102 are not aligned with the recesses 801, the insertion tube 101 cannot be inserted smoothly, after the plug is rotated properly, the two are aligned, the insertion tube 101 can be inserted into the shell 8 smoothly, due to the inclined surface of the clamping block 304, the tip thereof is first in contact with the end of the shell 8, under the wedge-shaped cooperation extrusion, the clamping block 304 is driven to overcome the elastic force of the connecting spring 303 and is retracted into the insertion tube 101, until the clamping block 304 is matched with the clamping groove 802, the clamping block 304 is clamped into the clamping groove 802 under the elastic force of the connecting spring 303, and cannot be pulled out, when the plug needs to be pulled out, the rear end of the inner sleeve 3 is pulled to pull the movable outer sleeve 1, at this time, the edge of the embedded groove 103 is extruded by the inclined surface of the clamping block 304 to be retracted into the movable outer sleeve 1 again, at this time, the plug can be pulled out smoothly.

[0042] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A blind mateable insulated plug, characterized by: The utility model provides a plug and socket, the plug includes movable outer cover (1), the movable outer cover (1) is fixedly connected with color ring (2) at the front end, the movable outer cover (1) is sleeved with inner cover (3), the one side of inner cover (3) is equipped with a plurality of elastic contraction's clamping block (304), and the upper movable outer cover (1) is equipped with a plurality of with clamping block (304) one to one corresponding embedding groove (103), a plurality of evenly distributed pin (4) is detachably installed in inner cover (3); The socket includes a shell (8), the shell (8) is equipped with a plurality of with clamping block (304) clamping adaptation's clamping groove (802), and the inner wall of shell (8) is equipped with with fixed movable outer cover (1) insertion angle's counterplug structure, and the shell (8) is equipped with a plurality of with pin (4) insertion adaptation's pin sleeve (12).

2. An insulating plug according to claim 1, wherein: The front end of inner cover (3) is integrally formed with inner tube (306), three evenly distributed through slots (302) are formed in inner tube (306), the clamping block (304) is equipped with three, and three clamping blocks (304) are located in three through slots (302) respectively, and the through slot (302) is equipped with with the connecting elastic sheet (303) for driving clamping block (304) to be located at its outside, the surface of clamping block (304) is slope design, and the tip end is towards the front side, and the both sides of the slope are equipped with wear-resistant bevel (305).

3. An insulating plug according to claim 1, wherein: The middle part of inner cover (3) is fixedly connected with alignment boss (301), the inner wall of movable outer cover (1) is equipped with with alignment boss (301) sliding adaptation's butt joint groove (104), the rear end of inner cover (3) is equipped with thread one (308).

4. An insulating plug according to claim 3, wherein: The inner cover (3) is detachably sleeved with insulator one (5), a plurality of pin holes (501) for fixing pin (4) are formed in the end face of insulator one (5), the rear end of inner cover (3) is sleeved with wire clamp pipe (6), and the inner cover (3), insulator one (5) and wire clamp pipe (6) are all equipped with with mutually aligned insertion's embedding structure.

5. An insulating plug according to claim 4, wherein: The tail end of wire clamp pipe (6) is equipped with a plurality of arc clamping plates (603), the outer side of wire clamp pipe (6) is sleeved with with simultaneously driving a plurality of arc clamping plates (603) simultaneously to the middle part of extrusion sleeve (7) and inclining extrusion sleeve (7) and thread one (308) are threadedly connected, and the end of a plurality of arc clamping plates (603) is equipped with with the wedge surface (604) of the rear end adaptation of extrusion sleeve (7).

6. An insulating plug according to claim 4, wherein: The chimeric structure includes a notch groove one (601) opened in the front end of the wire clamp (6), the side wall of the wire clamp (6) is provided with a groove one (602) matched with the notch groove one (601), the outer ring one (502) is fixedly connected to the circumference of the insulator one (5), the plug-in block one (504) is fixedly connected to the outer ring one (502) and matched with the notch groove one (601), the notch groove two (503) is opened in the outer ring one (502), the plug-in block two (307) is fixedly connected to the inner wall of the inner sleeve (3) and matched with the notch groove two (503), the convex strip one (309) is fixedly connected to the inner wall of the inner sleeve (3) and matched with the groove one (602), and the thickness of the convex strip one (309) is smaller than that of the plug-in block two (307).

7. The blind mate insulated plug of claim 1, wherein: The plug-in structure includes the plug-in tube (101) fixedly connected to the front end of the movable outer sleeve (1), the plug-in tube (101) is matched with the shell (8), the side wall of the plug-in tube (101) is fixedly connected with a plurality of convex strip two (102), the front end of the plug-in tube (101) is longer than that of the plurality of convex strip two (102), and the plurality of convex strip two (102) is circumferentially divided based on the axis of the movable outer sleeve (1), and the inner wall of the shell (8) is provided with a plurality of groove two (801) matched with the convex strip two (102).

8. The blind mate insulated plug of claim 1, wherein: The shell (8) is provided with the screw thread two (803), the outer side of the shell (8) is threadedly connected with the nut one (9) and the nut two (10), the shell (8) is matched with the insulator two (11), and the end face of the insulator two (11) is provided with a plurality of plug-in sleeve holes (1101) for fixing the plug-in pin sleeve (12).

9. An insulating plug according to claim 8, wherein: The outer ring two (1102) is fixedly connected to the circumference of the insulator two (11), the notch groove three (1103) is opened in the outer ring two (1102), and the plug-in block three (804) is fixedly connected to the inner wall of the shell (8) and matched with the notch groove three (1103).

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