Quick-plugging high-voltage connector

Abstract

The utility model discloses a quick plug-in high-voltage connector, which is characterized in that a plug-in column on a plug can be inserted into a plug-in sleeve on a socket, the outer side wall of the circumference of the plug-in sleeve is provided with a step structure which shrinks in the radial direction, and lock catch handles hinged on the plug are distributed at the two ends of a hinge shaft to form an operation end and a lock catch end. The operation end can drive the lock catch handle to rotate, then the lock catch end of the lock catch handle swings in the radial direction of the inserting column, and when the inserting column is inserted into the inserting sleeve, the lock catch end of the lock catch handle swings in the radial direction of the inserting column and can be inserted into or withdrawn from the step structure on the cylindrical outer side wall of the inserting sleeve. When the lock catch end is inserted into the step structure on the outer side wall of the circumference of the plugging sleeve, the plugging sleeve at one end of the socket and the plugging column of the plug can be axially locked, and the elastic piece provides elastic torsion for the lock catch handle to keep the lock catch end in a locked state. The occupied space is small and the manufacturing cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a high pressure connector, especially a high pressure connector of quick plug -in. BACKGROUND

[0002] The plug -in plug -in high pressure connector realizes electric conduction and carries out current transmission by the plug -in of the plug into the plug -in sleeve of the socket, is often seen on the plug -in charging structure, after the plug of traditional plug -in socket is plugged in, realizes fixed positioning through the friction between both, the friction between the plug and the socket will gradually reduce after the long -term use of this kind of connector, leading to the poor connection stability, and the circuit breakage is prone to occur, therefore in order to improve the service life, need to increase the friction resistance between the plug and the socket, so that the force is spent when plugging, and the terminal is easily damaged, and this kind of structure is also easy to cause the plug to be taken out due to external force when the plug and the socket are plugged in, so that the current transmission is interrupted.

[0003] In order to improve the plug -in stability of plug -in connector, currently, elastic buckle structure is arranged on the plug and the socket side wall of plug -in connector, when the plug and the socket are plugged in, the elastic buckle structure on the plug and the socket side wall is automatically buckled and connected, which improves the connection stability of the plug and the socket, but this kind of connector needs to be unlocked first before the plug is pulled out, and then the plug can be pulled out, two steps operation, inconvenient to use, and the lock buckle structure is complex, and the cost is higher. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of high pressure connector of quick plug -in, the high pressure connector of quick plug -in is simple in structure, and plug -in operation is convenient, can guarantee plug -in stability.

[0005] The utility model discloses in order to solve its technical problem and adopts technical scheme: a kind of high pressure connector of quick plug -in, including socket and plug, the socket one end is equipped with plug -in sleeve, plug one end is equipped with plug -in column, the plug -in column can be inserted in the plug -in sleeve, the plug -in sleeve circumferential outer side wall is equipped with the step structure of radial contraction, the lock catch handle is hinged on the plug on the plug, lock catch handle is located at the one end of hinged shaft and is formed operation end outside plug, lock catch handle is located at the other end of hinged shaft and is formed lock catch end, the operation end of operation lock catch handle can drive lock catch handle rotation, further make lock catch end of lock catch handle swing along plug -in column radial, when the plug -in column of plug is inserted in the plug -in sleeve of socket, lock catch end of lock catch handle swing along plug -in column radial can be inserted or exit step structure on the cylindrical outer side wall of plug -in sleeve, when lock catch end of lock catch handle is inserted into step structure on the circumferential outer side wall of plug -in sleeve can lock the plug -in column of plug and the socket one end plug -in sleeve with axial locking positioning, still be equipped with a spring piece, the spring piece provides the elastic torsion that lock catch handle keeps lock catch end in locking state.

[0006] As a further improvement of the utility model, a circle of insulation protection sleeve is coaxially arranged outside the plug-in post of the plug, the plug-in sleeve of the socket can be accommodated in the annular gap between the insulation protection sleeve and the plug-in post, a hollow gap is arranged on the side wall of the insulation protection sleeve of the plug, and the locking end of the locking handle can enter the annular gap through the hollow gap and be inserted into the stepped structure on the plug-in sleeve.

[0007] As a further improvement of the utility model, a circle of radially outward flange is formed on the outer circumferential surface of the end part of the plug-in sleeve of the socket, the radially outward flange and the outer circumferential surface of the plug-in sleeve form a stepped structure, the locking end of the locking handle can be inserted into the stepped structure and stopped on the radially outward flange, thereby preventing the plug-in sleeve of the socket from being separated from the plug.

[0008] As a further improvement of the utility model, a cantilever structure elastic supporting arm is arranged on the operating end of the locking handle, the free end of the elastic supporting arm is tightly abutted on the outer surface of the insulation protection sleeve of the plug, thereby providing the elastic force along the tangential direction of the operating end of the locking handle.

[0009] As a further improvement of the utility model, a handle accommodating cavity is further arranged on the plug, the locking handle is accommodated in the handle accommodating cavity, and one side wall of the handle accommodating cavity is the outer surface of the insulation protection sleeve.

[0010] As a further improvement of the utility model, a size-outward pressing boss is formed on the operating end of the locking handle, the surface of the pressing boss is formed with concave-convex lines, the pressing surface of the pressing boss formed with the concave-convex lines and the operating end of the locking handle form an obtuse angle, and the pressing boss is exposed outside the handle accommodating cavity.

[0011] As a further improvement of the utility model, a pressing boss accommodating groove is formed on the outer surface of the plug and communicates with the handle accommodating cavity, and the pressing boss on the operating end of the locking handle can be accommodated in the pressing boss accommodating groove.

[0012] As a further improvement of the utility model, a locking handle stop post is further arranged on the plug, when the locking handle is positively rotated by a set angle, the side wall of the operating end of the locking handle is stopped on the surface of the stop post, thereby limiting the depth of the locking end inserted into the insulation protection sleeve.

[0013] As a further improvement of the utility model, the plug comprises a plug main body and an outer cover, a bottom groove extending axially along the insulating protective sleeve is formed on the sidewall of the plug main body, and the sidewall of the insulating protective sleeve on the circumferential outer side forms the sidewall of the bottom groove, the outer cover is detachably fixed and covers the opening of the bottom groove, the bottom groove and the outer cover jointly form a handle accommodating cavity, and a hinge groove is respectively arranged on the bottom surface of the bottom groove and the outer cover.

[0014] As a further improvement of the utility model, the lock catch end and the operation end of the lock catch handle jointly form an obtuse angle bending structure, the hinge shaft is arranged at the bending position thereof, and a chamfered inclined guide surface is arranged on the sidewall of the lock catch end of the lock catch handle towards the insertion direction of the insertion sleeve of the socket.

[0015] The utility model discloses the beneficial technical effects are: the utility model discloses the installation lock catch handle on the hinge of plug sidewall, and the lock and the unlocking of plug and socket are realized through the rotation of lock catch handle, and when the plug is inserted into the socket, the torsion provided by the elastic element makes the lock catch handle automatically lock the plug and the socket, when the plug is pulled out, only need to hold the plug and press the operation end of lock catch handle with fingers, and the lock catch handle can be driven to rotate reversely, and the plug and the socket are unlocked, the structure holds the plug and directly pulls out the plug outward, and the plug can be quickly pulled out from the socket, the unlocking and the pulling out of the plug are carried out step by step, and one action can be completed, when the plug is inserted into the socket, the lock catch is automatically locked with the plug, and no additional operation is needed, the utility model discloses simple structure, convenient operation can realize the quick insertion and separation of plug and socket, convenient and fast operation, and the elastic element of the utility model discloses is integrally formed with the lock catch handle, therefore, the lock catch handle structure of the utility model discloses is simple, occupies small space, and the manufacturing cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the plug and socket of the utility model and is in the insertion state perspective view;

[0017] Figure 2 It is the plug and socket of the utility model and is in the separation state perspective view;

[0018] Figure 3 It is the lock catch handle of the utility model and is in the locking state schematic view;

[0019] Figure 4 It is the lock catch handle of the utility model and is in the unlocking state schematic view;

[0020] Figure 5The utility model discloses a plug main body perspective view;

[0021] Figure 6 The utility model discloses an outer cover perspective view;

[0022] Figure 7 The utility model discloses a lock catch handle perspective view. DETAILED DESCRIPTION

[0023] Embodiment: a high pressure connector of quick plug -in, including socket 1 and plug 2, the socket 1 one end is equipped with the plug sleeve 11, and the plug 2 one end is equipped with the plug -in column 21, the plug -in column 21 can be inserted in the plug sleeve 11, be equipped with the step structure of radial contraction on the circumferential outside wall of plug sleeve 11, the plug 2 is hinged with a lock catch handle 3, and the lock catch handle 3 is located at the one end of hinged shaft 35 and stretches out from the outside of plug 2 and forms operating end 31, and the lock catch handle 3 is located at the other end of hinged shaft 35 and forms lock catch end 32, and operating end 31 of operating lock catch handle 3 can drive lock catch handle 3 to rotate, and then make lock catch end 32 of lock catch handle 3 swing along plug -in column 21 radially, when the plug -in column 21 of plug 2 is inserted in the plug sleeve 11 of socket 1, lock catch end 32 of lock catch handle 3 can be inserted or exited the step structure on the cylindrical outside wall of plug sleeve 11 and swing along plug -in column 21 radially, when lock catch end 32 of lock catch handle 3 is inserted into the step structure on the circumferential outside wall of plug sleeve 11, can lock catch end 32 of lock catch handle 3 with the plug sleeve 11 of socket 1 one end and the plug -in column 21 of plug 2 axial locking positioning, still be equipped with a spring piece, and the spring piece provides the elastic torsion of keeping lock catch end 32 of lock catch handle 3 in locking state.

[0024] When the plug -in column 21 of plug 2 is inserted into the plug sleeve 11 of socket 1 and realizes electric connection conduction, lock catch end 32 of lock catch handle 3 on plug 2 is automatically stretched into the step structure on the circumferential outside wall of plug sleeve 11 under the action of spring piece, and then limit blocking plug sleeve 11, prevent plug 2 and socket 1 from separating.

[0025] When needing to unlock plug 2 and socket 1 and separate, only need to operate operating end 31 of lock catch handle 3 and make lock catch handle 3 overcome the elastic torsion reverse rotation of spring piece, and then make lock catch end 32 of lock catch handle 3 and the plug sleeve 11 on socket 1 decouple, at this moment, plug 2 can be easily pulled down from socket 1, and the structure is convenient to operate, improves the electric connection stability when plug 2 and socket 1 are plugged, and simultaneously facilitates the quick unlocking of both.

[0026] The plug 2 is further provided with an insulating protective sleeve 22 coaxially arranged outside the plug column 21, the plug sleeve 11 of the socket 1 can be accommodated in the annular gap between the insulating protective sleeve 22 and the plug column 21, the insulating protective sleeve 22 of the plug 2 is provided with a hollow gap 221 on the side wall, the locking end 32 of the locking handle 3 can enter the annular gap through the hollow gap 221 and be inserted into the stepped structure on the plug sleeve 11. When the plug column 21 of the plug 2 is inserted into the plug sleeve 11 of the socket 1, the plug sleeve 11 of the socket 1 is inserted into the insulating protective sleeve 22 of the plug 2, realizing the insulation protection of the plug-in part, which can play a waterproof and dustproof effect, ensuring the use safety and current and signal transmission stability when the plug is connected, after the plug 2 and the socket 1 are connected, the locking end 32 of the locking handle 3 enters the plug sleeve 11 of the socket 1 through the hollow gap 221 of the insulating protective sleeve 22 to implement locking.

[0027] The socket 1 is further provided with a radial flange 111 formed on the outer side of the end of the plug sleeve 11, the radial flange 111 and the outer side of the plug sleeve 11 form a stepped structure, the locking end 32 of the locking handle 3 can be inserted into the stepped structure and stopped on the radial flange 111, thereby preventing the plug sleeve 11 of the socket 1 from being separated from the plug 2. When the plug 2 and the socket 1 are connected, the plug sleeve 11 of the socket 1 is inserted into the insulating protective sleeve 22 of the plug 2, the locking end 32 of the locking handle 3 extends into the insulating protective sleeve 22 and blocks the flange outside the end of the plug sleeve 11, realizing the sliding blocking of the plug sleeve 11 of the socket 1, in addition, the stepped structure on the plug sleeve 11 can also be a radial slot on the outer side wall of the plug sleeve 11, the locking end 32 of the locking handle 3 extends into the radial slot to prevent the plug sleeve 11 from sliding out of the insulating protective sleeve 22 of the plug 2, thereby realizing the axial stop positioning of the plug 2 and the socket 1.

[0028] The locking handle 3 is further provided with a cantilever structure elastic support arm 33 on the operating end 31, the free end of the elastic support arm 33 abuts against the outer side of the insulating protective sleeve 22 of the plug 2, thereby providing the elastic force of the operating end 31 of the locking handle 3 along the tangential direction of the rotation of the locking handle 3. The elastic support arm 33 is integrally formed on the operating end 31 of the locking handle 3, and the elastic swing of the cantilever structure provides the rotation torque of the locking handle 3, which is simple in structure and does not need to assemble elastic parts for the locking handle 3, the end of the elastic support arm 33 is preferably formed as a circular arc surface, which contacts the outer side of the insulating protective sleeve 22 through the circular arc surface, and the elastic support arm 33 is preferably formed as an acute angle with the operating end 31 of the locking handle 3, which is beneficial to shorten the length of the locking handle 3 and reduce the occupied space.

[0029] The plug 2 is further provided with a handle accommodating cavity 23, the lock handle 3 is accommodated in the handle accommodating cavity 23, and one side wall of the handle accommodating cavity 23 is the outer side of the insulation protective sleeve 22. The lock handle 3 is placed in the handle accommodating cavity 23, so that the lock handle 3 can be protected and accidental touch can be effectively avoided.

[0030] The operating end 31 of the lock handle 3 is formed with a press protrusion 34 which is larger in size, the surface of the press protrusion 34 is formed with concave-convex lines, the press surface of the press protrusion 34 which is formed with the concave-convex lines is formed with an obtuse angle with the operating end 31 of the lock handle 3, and the press protrusion 34 is exposed outside the handle accommodating cavity 23. When the plug 2 is unlocked from the socket 1, the press surface of the press protrusion 34 only needs to be pressed by the thumb, so that the operation is convenient, the press surface is preferably formed in an arc structure which is low in the middle and high at both ends, so that the force can be conveniently applied and the press surface is more suitable for the finger pad.

[0031] The outer side of the plug 2 is formed with a press protrusion accommodating groove 24 which is communicated with the handle accommodating cavity 23, and the press protrusion 34 of the operating end 31 of the lock handle 3 can be accommodated in the press protrusion accommodating groove 24. The press protrusion 34 is placed in the press protrusion accommodating groove 24, so that the press protrusion 34 can be protected and accidental touch can be avoided, the press protrusion accommodating groove 24 can also limit the movement range of the press protrusion 34, and the movement range is prevented from being too large to damage the lock handle 3.

[0032] The plug 2 is further provided with a lock handle stop column 25, when the lock handle 3 is positively rotated by a set angle, the side wall of the operating end 31 is stopped on the surface of the stop column, so as to limit the depth of the lock end 32 inserted into the insulation protective sleeve 22. The lock handle stop column 25 can limit the rotation angle of the operating end 31 of the lock handle 3, so that the lock end 32 of the lock handle 3 is prevented from being damaged due to too large rotation angle.

[0033] The plug 2 comprises a plug 2 body and an outer cover (26), the side wall of the plug 2 body is formed with a bottom groove 27 which extends along the axial direction of the insulation protective sleeve 22, one side wall of the bottom groove 27 is formed by the circumferential side wall of the insulation protective sleeve 22, the outer cover is detachably fixed and covers the opening of the bottom groove 27, the bottom groove 27 and the outer cover jointly form the handle accommodating cavity 23, the bottom surface of the bottom groove 27 and the outer cover are respectively provided with a hinge groove 28 which is opposite, the hinge shafts 35 which are coaxially protruded are respectively formed on the side walls of the lock handle, and the hinge shafts 35 are correspondingly inserted into the hinge grooves 28. The plug 2 forms the handle accommodating cavity 23 through the split structure, so that the lock handle 3 is convenient to assemble and replace.

[0034] The locking end 32 and the operating end 31 of the locking handle 3 jointly form an obtuse angle bending structure, the hinge shaft 35 is arranged at the bending position, the locking end 32 of the locking handle 3 is provided with a chamfer-shaped inclined guide surface 321 on the side wall of the insertion direction of the plug sleeve 11 of the socket 1, and the two side edges of the locking end 32 of the locking handle 3 along the swinging direction are in contact with the side wall of the hollow gap 221 on the insulating protective sleeve 22 through the round corner structure 322. After the plug sleeve 11 of the socket 1 is inserted into the insulating protective sleeve 22, the locking end 32 of the locking handle 3 is contacted with the inclined guide surface 321, so that the locking end 32 of the locking handle 3 is forced to automatically retreat and avoid, and after the plug 2 is inserted into the socket 1, the locking end 32 of the locking handle 3 automatically enters the step structure on the plug sleeve 11 under the action of the elastic force, and the locking is realized.

Claims

1. A high voltage connector for quick plug-in, characterized in that: The plug (2) is provided with a plug sleeve (11) at one end, and the plug (2) is provided with a plug column (21) at one end, and the plug column (21) can be inserted into the plug sleeve (11), characterized in that: the plug sleeve is provided with a radial contraction step structure on the circumferential outer side wall, and the plug is hingedly provided with a lock handle (3), and the lock handle (3) is located at one end of the hinged shaft and extends outward from the plug to form an operating end (31), and the lock handle (3) is located at the other end of the hinged shaft to form a locking end (32), and the operating end of the lock handle (3) can drive the lock handle (3) to rotate, and then the locking end of the lock handle (3) can swing along the plug column, and when the plug column of the plug is inserted into the plug sleeve of the socket, the locking end of the lock handle (3) can be inserted into or withdrawn from the step structure on the cylindrical outer side wall of the plug sleeve, and when the locking end of the lock handle (3) is inserted into the step structure on the circumferential outer side wall of the plug sleeve, the plug sleeve at one end of the socket and the plug column can be axially locked and positioned, and a resilient member is further provided, and the resilient member provides the lock handle (3) with elastic torsion force to keep the locking end in the locked state.

2. The high voltage connector of claim 1, wherein: The plug column of the plug is further coaxially provided with an insulating protective sleeve (22) on the outside, and the plug sleeve of the socket can be accommodated in the annular gap between the insulating protective sleeve and the plug column, and the insulating protective sleeve side wall of the plug is provided with a hollow gap (221), and the locking end of the lock handle (3) can enter the annular gap through the hollow gap (221) and be inserted into the step structure on the plug sleeve.

3. A high voltage connector according to claim 1 or 2, characterised in that: The plug sleeve end of the socket is formed with a radially outward flange (111) on the circumferential outer side, and the radially outward flange (111) and the circumferential outer side of the plug sleeve form a step structure, and the locking end of the lock handle (3) can be inserted into the step structure and stopped on the radially outward flange (111), thereby preventing the plug sleeve of the socket from being separated from the plug.

4. The high voltage connector of claim 2, wherein: The operating end of the lock handle (3) is provided with a cantilever structure of a resilient support arm (33), and the free end of the resilient support arm (33) is tightly abutted on the outer side of the insulating protective sleeve of the plug, thereby providing the operating end of the lock handle (3) with elastic force along the tangential direction of the rotation of the lock handle (3).

5. The high voltage connector of claim 4, wherein: The plug is further provided with a handle accommodating cavity (23), and the lock handle (3) is accommodated in the handle accommodating cavity (23), and one side wall of the handle accommodating cavity (23) is the outer side of the insulating protective sleeve.

6. The high voltage connector of claim 5, wherein: The operating end of the lock handle (3) is formed with a size-outward pressing boss (34), and the pressing boss (34) is formed with concave-convex lines on the surface, and the pressing surface of the pressing boss (34) formed with the concave-convex lines and the operating end of the lock handle (3) exist an obtuse angle, and the pressing boss (34) is exposed outside the handle accommodating cavity.

7. The high voltage connector of claim 6, wherein: The plug is further provided with a pressing boss accommodating groove (24) on the outer side, which communicates with the handle accommodating cavity, and the pressing boss (34) on the operating end of the lock handle (3) can be accommodated in the pressing boss accommodating groove (24).

8. The high voltage connector of claim 1 or 5, characterized by: The plug is further provided with a lock handle stop column (25), and when the lock handle (3) is positively rotated to a set angle, the operating end side wall of the lock handle (3) is stopped on the surface of the stop column (25), thereby limiting the depth of the locking end inserted into the insulating protective sleeve.

9. The high voltage connector of claim 5, wherein: The plug comprises a plug body and an outer cover (26), a bottom groove (27) extending axially along the insulating sleeve is formed on the sidewall of the plug body, and the sidewall of the insulating sleeve forms one sidewall of the bottom groove, the outer cover is detachably fixed to cover the opening of the bottom groove, the bottom groove and the outer cover jointly form a handle accommodating cavity, a hinge groove (28) is respectively arranged on the bottom surface of the bottom groove and the outer cover, a hinge shaft (35) with coaxial protruding structure is respectively formed on the two sidewalls of the lock catch, and the hinge shaft is correspondingly inserted into the hinge groove.

10. The high voltage connector of claim 2, wherein: The lock catch end and the operation end of the lock catch handle jointly form an obtuse bending structure, the hinge shaft is arranged at the bending position, a chamfer-shaped inclined guide surface (321) is arranged on the sidewall of the lock catch end of the lock catch handle towards the insertion direction of the plug-in sleeve of the socket, and the two side edges of the lock catch end of the lock catch handle along the swinging direction are in contact with the sidewall of the hollowed-out gap on the insulating sleeve through a round corner structure (322).

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