CN116073186B

CN116073186B - Toggle type two-stage locking connector and connector plug

Info

Publication number: CN116073186B
Application number: CN202310210088.9A
Authority: CN
Inventors: 陈昌城; 刘明亮; 阮文挺; 彭建华
Original assignee: Zhejiang Lida Electric Appliance Co ltd
Current assignee: Zhejiang Lida Electric Appliance Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-02
Anticipated expiration: 2043-03-07
Also published as: CN116073186A

Abstract

The invention discloses a toggle type two-stage locking connector and a connector plug, relates to the field of new energy, and solves the problems of unstable locking and unlocking structure design, complex operation and the like in a pressing mode. The first inclined pressing surface elastically tilts the first lock limit strip through the inclined surface matching when the inclined pressing block moves towards the inserting direction along with the unlocking shifting block shifting the self-locking space, and slides out of the socket buckling table towards the pulling-out direction until the locking space abuts against the second lock limit strip to finish unlocking in the first stage; the second inclined pressing surface is elastically tilted with the two-lock limiting strip through the inclined surface matching when the inclined pressing block moves towards the pulling-out direction, and slides out of the socket buckling table towards the pulling-out direction to complete unlocking at the second stage. The structure design is more stable and reliable, the service life is longer, the position of the unlocking shifting block can be clearly seen, the state of the connector is clearly known, and the actions are not easy to be confused and are more visual.

Description

Toggle type two-stage locking connector and connector plug

Technical Field

The invention relates to the field of new energy, in particular to a toggle type two-stage locking connector and a connector plug.

Background

At present, a conventional connector includes a connection manner in which a male terminal and a female terminal are plugged into each other, that is, an electrical connection between two cables is achieved by plugging and unplugging between a plug and a socket. Because the connection in the new energy automobile field has the characteristic of high voltage, in order to prevent misoperation and false pulling of the electrified high-voltage connector or to prevent the automobile from being separated when jolting, high-voltage interlocking is usually arranged on the connector.

High voltage interlock, also referred to as hazardous voltage interlock loop (HVIL-Hazardous Voltage Interlock Loop): by using small electrical signals, the electrical integrity (continuity) of the whole high-voltage product, the lead, the connector and the protecting cover is checked, and when the loop is abnormally disconnected, the high-voltage power supply is timely disconnected. The high-voltage interlocking structure is widely used on the new energy high-voltage connector, and the use of the high-voltage interlocking becomes an industry standard, so that the unlocking of the high-voltage connector usually needs two stages to be completed, namely a first stage of disconnecting a high-voltage power supply terminal and a second stage of disconnecting a high-voltage power supply terminal. In the prior art, the existing two-stage locking connector is generally complex in design, such as the chinese patent invention: a novel floating unlocking high-voltage connector (publication number: CN 108400489B) is disclosed, wherein unlocking of a first unlocking plate is performed by pushing an unlocking plate, then a barb is separated from a hook hole by pressing the first unlocking plate and a second unlocking plate successively, unlocking is realized, and the locking between a high-voltage plug and a high-voltage socket is realized by comprehensively adopting various modes such as pushing, pressing and the like. The mode application of force is more through pressing on unlocking plate to unlock this application, and it has utilized to press the unlocking plate and easily produce elastic fatigue and lead to plastic deformation after long-term use, and life is short, and structural design is unstable and unlocking process design is complicated changeable, influences locking and unlocking operation, equipment cost and degree of difficulty increase. Moreover, the application is as same as most of the connectors on the market, the locking process can be carried out in a sectional mode only by pressing, plugging and the like, the operation is relatively complicated, the confusion is easy to cause, and the locking process has the risk of operation omission or misoperation.

Disclosure of Invention

The purpose of the invention is that: in order to overcome the defects of the prior art, the invention provides a toggle type two-stage locking connector and a connector plug, which solve the problems of unstable locking and unlocking structure design, complex operation and the like in a pressing mode.

The technical scheme of the invention is as follows: the plug assembly comprises a base and an unlocking shifting block movably arranged at the top of the base, wherein the unlocking shifting block can move along the inserting direction and the extracting direction relative to the base; the base is provided with a locking space, a first locking limit bar and a second locking limit bar which are respectively and elastically connected to the base and respectively positioned at the front side of the locking space, namely in the inserting direction, the rear side of the locking space, namely in the extracting direction, the unlocking shifting block is provided with an oblique pressing block, and the oblique pressing block is provided with a first oblique pressing surface and a second oblique pressing surface which are symmetrical; the socket buckling table moves into the front side position of the first locking limit bar along the inserting direction through the second locking limit bar and abuts against the first locking limit bar to form a complete locking state of the connector, and the inclined pressing block is positioned in the locking space; the first inclined pressing surface elastically tilts the first lock limit strip through the inclined surface matching when the inclined pressing block moves towards the inserting direction along with the unlocking shifting block shifting the self-locking space, and slides out of the socket buckling table towards the pulling-out direction until the locking space abuts against the second lock limit strip to finish unlocking in the first stage; the second inclined pressing surface is elastically tilted with the two-lock limiting strip through the inclined surface matching when the inclined pressing block moves towards the pulling-out direction, and slides out of the socket buckling table towards the pulling-out direction to complete unlocking at the second stage.

By adopting the technical scheme, only the unlocking shifting block is required to be shifted to and fro in the pulling-out direction or the inserting direction, the connector state is switched by shifting the shifting mode instead of the pressing action mode, the plastic deformation phenomenon caused by elastic fatigue due to the elastic performance of the pressing by the prior art is avoided, the structural design is more stable and reliable, the service life is longer, the shifting phase is shifted to be longer than the pressing action, the position of the unlocking shifting block can be clearly seen, the state of the connector is clearly known, the action is not easy to be confused and visual, the unlocking process is simple and clear, the risk of misoperation is reduced, and the unlocking difficulty is reduced.

The invention is further provided with: the first tilting inclined plane and the second tilting inclined plane are respectively positioned at the rear side positions of the first tilting inclined plane and the second tilting inclined plane, and both the first tilting inclined plane and the second tilting inclined plane incline from top to bottom to the inserting direction, and the socket buckling platform is provided with a buckling platform inclined pressing surface; when the plug assembly is inserted into the socket assembly, the buckling table inclined pressing surface is matched with the second tilting inclined surface and the first tilting inclined surface through the inclined surfaces to tilt the two lock limiting strips and the one lock limiting strip, and then the front side position of the one lock limiting strip is abutted against the one lock limiting strip to form a locking state of the connector.

By adopting the further arrangement, the locking process can be completed only by inserting the plug assembly once, excessive operations are not required to be performed on the unlocking shifting block or other positions, the insertion action is quick, the locking action is simple and convenient, the risks of leakage operation and misoperation are further reduced, and the locking difficulty of operators is reduced.

Still further, the present invention provides: the first locking inclined plane, the second locking inclined plane and the buckling platform inclined abutting plane are inclined from top to bottom to the inserting direction, and the buckling platform inclined abutting plane can be respectively matched with the first locking inclined plane and the second locking inclined plane in a propping mode to limit the buckling platform of the socket.

By adopting the further arrangement, the inclined abutting surface of the buckling platform is abutted against the first locking inclined surface and the second locking inclined surface in sequence to realize double locking, a stable and reliable locking structure is realized by utilizing a simple inclined surface structure, the unlocking process must follow a given unlocking program, if the sequence is disordered, the unlocking cannot be easily performed, misoperation is prevented, and the safety of the connector is ensured.

Still further, the present invention is provided with: the cross section of the inclined pressing block forms a triangle shape, the first inclined pressing surface and the second inclined pressing surface incline from top to bottom to the inserting direction and the pulling-out direction respectively, the first inclined pressing surface can jack up the first lock limiting strip with the first tilting pressing inclined surface through inclined plane matching, the second lock limiting strip is provided with a third tilting pressing inclined surface, the third tilting pressing inclined surface inclines from top to bottom to the pulling-out direction, the third tilting pressing inclined surface is positioned on the front side position of the second lock limiting strip, and the second inclined pressing surface can jack up the second lock limiting strip with the third tilting pressing inclined surface through inclined plane matching.

By adopting the arrangement, the inclined pressing block can smoothly push against the corresponding position of the tilting through the staggered matching of the inclined planes, and the operation is simple, convenient, reasonable and effective.

Still further, the present invention is provided with: elastic connecting parts are uniformly connected between the first lock limiting strip, the second lock limiting strip and the base, and the elastic connecting parts are arranged along the inserting direction.

By adopting the arrangement, the elastic connecting part and the base are integrally formed, the elastic connecting part is positioned on the inner side of the base, the elasticity can be kept for a long time, and the processing is simple and convenient.

Still further, the present invention is provided with: the unlocking shifting block is integrally connected with a gear buckle, a mounting hole is formed in the base, a plurality of gear grooves are formed in the wall of the mounting hole, and the gear buckle can be embedded and clamped in the corresponding gear groove to form a clamping position when the connector is in a locking state, a first-stage unlocking state or a second-stage unlocking state; the gear is detained and is equipped with two and symmetrical arrangement at least, and the mountable is kept up the position sheetmetal in the middle of two gears are detained, and it is equipped with the sawtooth structure to keep up in the position sheetmetal both sides can insert the oval hole that the unblock shifting block top surface set up, and it is equipped with the elliptic cylinder that matches with oval hole size to keep up a sheetmetal end, and the elliptic cylinder end is equipped with the carousel, and elliptic cylinder and oval hole can take place deformation under the exogenic action and make elliptic cylinder can rotate certain angle relative oval hole.

By adopting the further arrangement, the gear buckle is used for switching the gear of the unlocking shifting block, so that the unlocking shifting block can be switched to a gear along the preset gear, the switching mode is flexible and free, and the operation is simple; the sawtooth structure can ensure that the stop metal sheet passes through the elliptical hole in a very labor-saving way and prevents the stop metal sheet from exiting the elliptical hole, the elliptical column is matched with the elliptical hole, so that the elliptical column does not rotate when no external force acts, the stop metal sheet can support the gear buckles on two sides to enable the unlocking shifting block to be locked to a specific position, thereby fixing the unlocking shifting block, avoiding abnormal shift switching of the unlocking shifting block, ensuring the holding position of the unlocking shifting block, having the locking effect, improving the safety of the connector and effectively protecting from misoperation.

Still further, the present invention is provided with: the unlocking shifting block is integrally connected with a limiting buckle, and the limiting buckle is matched with the outer edge of the mounting hole in a clamping manner.

By adopting the further arrangement, the limiting buckle is used for limiting the unlocking shifting block, so that the unlocking shifting block can only move along the preset direction, the structure design is simple, the assembly is convenient, and the cost is relatively reduced.

Still further, the present invention is provided with: the unlocking shifting block and the base are provided with marks corresponding to the state of the connector in locking, the first-stage unlocking state and the second-stage unlocking state.

By adopting the further setting, the state of the connector can be visually checked by the mark, so that an operator can know the operation action of the connector conveniently.

Still further, the present invention is provided with: the top surface of the unlocking shifting block is fixedly provided with a convex push button.

By adopting the further arrangement, the push button is used for pushing the unlocking shifting block, so that the operation convenience is provided.

The invention adopts another technical scheme that: a toggle type two-stage locking connector comprises the connector plug and a socket assembly, wherein the connector plug can be inserted into the socket assembly along the inserting direction or pulled out from the socket assembly along the pulling direction.

Drawings

FIG. 1 is a schematic view of the external structure of a connector according to the present invention;

fig. 2 and 3 are respectively a cross-sectional view and a corresponding outline state view of the invention in a fully locked state;

fig. 4 and 5 are respectively a sectional view and a corresponding outline state diagram of the first stage unlocking state of the present invention;

FIGS. 6 and 7 are respectively a sectional view and a corresponding outline state view of the second stage unlocked state of the present invention;

FIG. 8 is a schematic view of the structure of the connector of the present invention when the connector is not plugged;

FIG. 9 is an exploded view of the connector plug of the present invention;

FIG. 10 is a transverse cross-sectional view of a connector plug of the present invention (concealing an unlocking dial);

FIG. 11 is a longitudinal cross-sectional view of a connector plug of the present invention (concealing an unlocking dial);

FIG. 12 is an enlarged view of a portion of the invention at A in FIG. 4;

FIG. 13 is a schematic view of the structure of an unlocking dial of the present invention;

FIG. 14 is a schematic view of a stopper metal sheet according to the present invention;

1, a plug assembly; 2. a receptacle assembly; 21. a socket buckling table; 3. a base; 4. unlocking the shifting block; 30. a locking space; 31. a lock limit bar; 32. two lock limit bars; 41. a diagonal briquetting; 411. a first inclined pressing surface; 412. a second inclined pressing surface; 20. an interlock terminal; 311. a first tilting and pressing inclined plane; 321. a second tilting and pressing inclined plane; 211. a buckling table inclined pressing surface; 312. a first locking ramp; 322. a second locking ramp; 212. the buckling table is inclined against the surface; 323. a third tilting and pressing inclined plane; 33. an elastic connection part; 42. a gear button; 34. a mounting hole; 35. a gear groove; 5. a stop metal sheet; 51. a saw tooth structure; 45. an elliptical hole; 52. an elliptic cylinder; 53. a turntable; 43. limiting buckle; 36. identification; 44. push button.

Detailed Description

A plug of a toggle type two-stage locking connector as shown in fig. 1 to 13, which comprises a plug assembly 1, wherein the plug assembly 1 can be matched with a socket assembly 2, the socket assembly 2 is provided with a socket buckling table 21, and the plug assembly 1 can be pulled out or inserted from the socket assembly 2 along a pulling-out direction or an inserting direction, and the pulling-out direction is opposite to the inserting direction. The plug assembly 1 comprises a base 3 and an unlocking shifting block 4 movably mounted at the top of the base 3, wherein the unlocking shifting block 4 can be shifted back and forth along the insertion direction and the extraction direction relative to the base 3. The base 3 is provided with a locking space 30, a first locking limit bar 31 and a second locking limit bar 32 on two sides of the locking space 30, the first locking limit bar 31 and the second locking limit bar 32 are respectively and elastically connected to the base 3, the first locking limit bar 31 is positioned in the insertion direction of the locking space 30, namely in the front side direction of the locking space 30, and the second locking limit bar 32 is positioned in the extraction direction of the locking space 30, namely in the rear side direction of the locking space 30. The unlocking shifting block 4 is integrally connected with an inclined pressing block 41, the inclined pressing block 41 is positioned at the bottom of the unlocking shifting block 4, and the inclined pressing block 41 is provided with a first inclined pressing surface 411 and a second inclined pressing surface 412 which are symmetrical. When the plug assembly 1 and the socket assembly 2 are mutually inserted, the socket buckling platform 21 moves to the front side position of the first lock limiting strip 31 through the second lock limiting strip 32 along the insertion direction, the socket buckling platform 21 is propped against the first lock limiting strip 31, so that a completely locked state of the connector is formed (as shown in fig. 2 and 3), and the inclined pressing block 41 is positioned in the locking space 30 and is not in propping contact with the first lock limiting strip 31 or the second lock limiting strip 32; when the unlocking dial block 4 is shifted to the front side direction, the inclined pressing block 41 moves from the locking space 30 to the inserting direction, the first inclined pressing surface 411 pushes against the first locking limit bar 31 through inclined surface matching and elastically tilts the first locking limit bar 31, the socket buckling table 21 is not propped against the first locking limit bar 31, the socket buckling table 21 is released, at the moment, the socket buckling table 21 slides out of the socket buckling table 21 in the pulling-out direction, the socket buckling table 21 slides out of the locking space 30 and is propped against the second locking limit bar 32, so that the first-stage unlocking (as shown in fig. 4 and 5) is completed, the connector is relatively separated by a certain distance, the interlocking terminal 20 is separated, the socket assembly 2 enters the state of fig. 6, the interlocking terminal 20 is pulled out to the position after the first-stage unlocking is disconnected, the circuit can detect the disconnection of the connector, the terminal in the connector is not electrified or only has low energy for a certain time to ensure that the disconnection terminal does not generate sparks, and the contact of fingers can be prevented from touching the connector; when the unlocking dial block 4 is shifted to the bottom in the backward direction, the inclined pressing block 41 moves in the pulling direction from the state of pushing the first lock limit bar 31 to the pulling direction through the locking space 30, the first inclined pressing surface 411 is separated from the first lock limit bar 31 to enable the first lock limit bar 31 to elastically return, the second inclined pressing surface 412 pushes the second lock limit bar 32 to the top through the inclined plane matching and elastically tilts the second lock limit bar 32, the socket buckling table 21 is not propped against the second lock limit bar 32 any more, the socket buckling table 21 is released again, at the moment, the socket buckling table 21 slides out in the pulling direction again, and accordingly the second-stage unlocking (shown in fig. 6 and 7) is completed, the plug assembly 1 and the socket assembly 2 are separated from each other, and the locking state is completely released. From the unlocking process, the unlocking shifting block 4 can realize the state switching of the connector only by pushing the unlocking shifting block back and forth along the pulling-out direction or the inserting direction, and the action design is clear and definite, and compared with the pressing-unlocking action mode, the unlocking shifting block is longer in use.

As shown in fig. 2, 4, 6 and 8-12, the first lock limit bar 31 and the second lock limit bar 32 respectively have a first tilting slope 311 and a second tilting slope 321, the first tilting slope 311 and the second tilting slope 321 are respectively located at the rear side positions of the first lock limit bar 31 and the second lock limit bar 32, the first tilting slope 311 and the second tilting slope 321 incline from top to bottom in the insertion direction, the socket buckling platform 21 is provided with a buckling platform inclined pressure surface 211, and the buckling platform inclined pressure surface 211 is consistent with the inclined direction of the first tilting slope 311. When the plug assembly 1 is inserted into the socket assembly 2, the buckling-stage inclined pressing surface 211 is staggered with the two inclined surfaces of the second tilting-pressing inclined surface 321, the two locking limiting strips 32 are tilted upwards, along with the further insertion of the plug assembly 1, the socket buckling-stage 21 is positioned in the locking space 30, the buckling-stage inclined pressing surface 211 is not contacted with the second tilting-pressing inclined surface 321, the two locking limiting strips 32 are reset, then the socket buckling-stage 21 is further moved, the buckling-stage inclined pressing surface 211 is staggered with the first tilting-pressing inclined surface 311 in a contact manner in the same manner, the first locking limiting strip 31 is tilted upwards, the socket buckling-stage 21 passes over the first locking limiting strip 31 to the front side position of the first locking limiting strip 31, and the socket buckling-stage 21 is abutted against the rear side direction of the first locking limiting strip 31, so that locking is completed. The inclined pressing block 41 should be located in the locking space 30 and not be in pressing contact with the first locking limit 31 or the second locking limit 32. The plug assembly 1 is inserted in a straight line along the insertion direction, the locking state is achieved once, a pause feeling is generated in the action process, two clicking sounds are generated, further the locking action is clearly known to be completed, redundant operation is not needed in the process, the action is simple, and the prompt is obvious and clear.

As shown in fig. 2, 4, 6 and 8-12, the first lock limit bar 31 and the second lock limit bar 32 respectively have a first lock inclined plane 312 and a second lock inclined plane 322, the first lock inclined plane 312 and the second lock inclined plane 322 are respectively located at front positions of the first lock limit bar 31 and the second lock limit bar 32, the socket buckling platform 21 has a buckling platform inclined plane 212, the first lock inclined plane 312, the second lock inclined plane 322 and the buckling platform inclined plane 212 are inclined from top to bottom in the insertion direction, and the buckling platform inclined plane 212 can respectively form an abutting fit with the first lock inclined plane 312 and the second lock inclined plane 322 to limit the socket buckling platform 21, i.e. in the locked state of the connector, the buckling platform inclined plane 212 abuts against the first lock inclined plane 312 to limit, and after the first stage of unlocking of the connector, the buckling platform inclined plane 212 abuts against the second lock inclined plane 322 to limit. The first locking inclined plane 312, the second locking inclined plane 322 and the buckling platform inclined abutting plane 212 are inclined towards the insertion direction, when the buckling platform inclined abutting plane 212 contacts with the corresponding inclined plane, the inclined direction of the buckling platform inclined abutting plane 212 can improve the compression limit, the locking firmness is enhanced, the limiting effect is better, the locking stability can be improved, and unlocking under an abnormal state is prevented.

As shown in fig. 2, 4, 6 and 10-13, the cross section of the inclined pressing block 41 is triangular, the first inclined pressing surface 411 and the second inclined pressing surface 412 incline from top to bottom to the insertion direction and the extraction direction respectively, and the first inclined pressing surface 411 and the first tilting pressing inclined surface 311 tilt up the one-locking limit 31 through inclined matching, so that the first-stage unlocking operation can be performed. The second lock limiting bar 32 has a third tilting inclined plane 323, the third tilting inclined plane 323 inclines from top to bottom in the pulling direction, the third tilting inclined plane 323 is located at the front side of the second lock limiting bar 32 and at the two side edges of the second lock inclined plane 322, the second tilting inclined plane 412 can tilt up the second lock limiting bar 32 through the inclined plane matching with the third tilting inclined plane 323, so that the second stage unlocking operation can be performed. By pulling the unlocking dial block 4, the inclined pressing block 41 can be moved forwards or backwards, so that the first inclined pressing surface 411 and the second inclined pressing surface 412 can be respectively contacted with the first tilting inclined surface 311 and the third tilting inclined surface 323 to tilt corresponding positions.

As shown in fig. 10 and 11, elastic connection portions 33 are integrally connected between the first lock stopper 31, the second lock stopper 32, and the base 3, and the elastic connection portions 33 are arranged along the insertion direction. Taking the position of a lock stop 31 as an example, the elastic connection portion 33 is integrally connected to two end portions of the lock stop 31, and forms a semi-rectangular structure as a whole.

As shown in fig. 9, 11 and 13, the unlocking dial block 4 is integrally connected with a gear button 42, the gear button 42 is located at the bottom of the unlocking dial block 4, a mounting hole 34 is formed in the top surface of the base 3, a plurality of gear grooves 35 are formed in the hole wall of the mounting hole 34, the gear button 42 can be embedded and clamped in the corresponding gear groove 35 to form a clamping position in the first-stage unlocking state or the second-stage unlocking state of the connector, and the clamping position is used for positioning the unlocking dial block 4, so that the inclined pressing block 41 on the unlocking dial block 4 can be kept at the position, and when the state is switched to the corresponding state, the first-lock limiting bar 31 or the second-lock limiting bar 32 keeps a stressed and tilted state, so that subsequent operations can be smoothly performed.

As shown in fig. 13 and 14, the gear buckle 42 is at least provided with two gear buckles and symmetrically arranged, a stop metal sheet 5 can be installed between the two gear buckles 42, saw tooth structures 51 are arranged on two sides of the stop metal sheet 5 and can be inserted into elliptical holes 45 formed in the top surface of the unlocking shifting block 4, the tail end of the stop metal sheet 5 is fixedly connected with an elliptical column 52 matched with the elliptical holes 45 in size, the tail end of the elliptical column 52 is fixedly connected with a rotary table 53, and the elliptical column 52 and the elliptical holes 45 can deform under the action of external force so that the elliptical column 52 can rotate for a certain angle relative to the elliptical holes 45. When the unlocking dial 4 is not moved and switched any more in a short time, the stop metal sheet 5 is inserted into the elliptical hole 45, or when the stop metal sheet 5 is inserted into the elliptical hole 45, the elliptical column 52 is rotated back to the same angle position as the elliptical hole 45, so that the saw tooth structure 51 is propped against the gear buttons 42 supported on the two sides of the elliptical column, and the unlocking dial 4 is locked to a specific position. Before the unlocking shifting block 4 is to be moved and switched, the rotary disc 53 is rotated, so that the elliptic cylinder 52 can rotate a certain angle relative to the elliptic hole 45, the sawtooth structure 51 is not contacted with the gear button 42, and the gear button 42 can be switched among the gear grooves 35. To facilitate rotation of the turntable 53 and to know the angle at which the turntable 53 is rotated, anti-slip and directional structures may be provided on the outer surface of the turntable 53.

As shown in fig. 9, 11 and 13, the unlocking dial 4 is integrally connected with a limit buckle 43, and the limit buckle 43 is in snap fit with the outer edge of the mounting hole 34, so that the unlocking dial 4 can only move in a predetermined direction and cannot excessively move up and down under normal conditions. When the connector is assembled, the unlocking shifting block 4 can be buckled on the base 3 by pressing the unlocking shifting block 4 into the mounting hole 34, so that the unlocking shifting block is prevented from falling off easily.

As shown in fig. 3, 5, 7, 8 and 9, the unlocking dial 4 and the base 3 have thereon a logo 36 that corresponds to when the connector is in the locked state, the first-stage unlocked state and the second-stage unlocked state. The base 3 is provided with a fixed triangular mark 36, the unlocking shifting block 4 is provided with three-gear marks 36 [ 1 ], [ 2 ], [ 3 ], when the connector is in a locking state, the triangular mark 36 is opposite to the mark 36 [ 3 ], when the connector is in a first-stage unlocking state, the triangular mark 36 is opposite to the mark 36 [ 1 ], and when the connector is in a second-stage unlocking state, the triangular mark 36 is opposite to the mark 36 [ 2 ]), so that an operator can intuitively check the state of the connector to know the operation process.

The top surface of the unlocking shifting block 4 is fixedly provided with a protruding push button 44, the push button 44 and the unlocking shifting block 4 are integrally formed, and the movement of the unlocking shifting block 4 is driven by pushing the push button 44.

As shown in fig. 1-13, a toggle type two-stage locking connector comprises a connector plug and a socket assembly 2, wherein the connector plug can be inserted into the socket assembly 2 along the insertion direction or pulled out from the socket assembly 2 along the pulling direction, the connector plug is combined to form a whole connector when being inserted into the socket assembly 2, and the unlocking pulling block 4 is pulled out from the socket assembly 2, so that the connector plug is disconnected.

Claims

1. The utility model provides a stir two-stage locking connector plug, is including plug assembly, plug assembly can cooperate with socket assembly, socket assembly is last to have the socket and detain the platform, plug assembly can follow pull out or insert from socket assembly in direction or the direction of inserting, its characterized in that: the plug assembly comprises a base and an unlocking shifting block movably arranged at the top of the base, and the unlocking shifting block can move along the insertion direction and the extraction direction relative to the base;

the base is provided with a locking space, a first lock limit bar and a second lock limit bar which are respectively and elastically connected to the base and respectively positioned at the front side of the locking space, namely in the inserting direction, namely in the extracting direction, and the rear side of the locking space, namely in the extracting direction, the unlocking shifting block is provided with an oblique pressing block which is provided with a first oblique pressing surface and a second oblique pressing surface which are symmetrical;

the socket buckling table moves into the front side position of the first locking limit bar along the inserting direction through the second locking limit bar and abuts against the first locking limit bar to form a complete locking state of the connector, and the inclined pressing block is positioned in the locking space;

the first inclined pressing surface elastically tilts the first lock limit strip through the inclined plane matching when the inclined pressing block moves along with the unlocking shifting block from the locking space to the inserting direction, and slides out of the socket buckling table to the pulling-out direction until the locking space abuts against the second lock limit strip to finish the unlocking in the first stage;

the second inclined pressing surface is elastically tilted with the two-lock limiting strip through the inclined surface matching when the inclined pressing block moves towards the pulling-out direction, and slides out of the socket buckling table towards the pulling-out direction to complete unlocking at the second stage.

2. The poking-type two-stage locking connector plug of claim 1, wherein: the first tilting and pressing inclined surfaces and the second tilting and pressing inclined surfaces are respectively positioned at the rear side positions of the first tilting and pressing inclined surfaces and the second tilting and pressing inclined surfaces respectively, the first tilting and pressing inclined surfaces and the second tilting and pressing inclined surfaces incline from top to bottom to the inserting direction, and the socket buckling table is provided with a buckling table inclined pressing surface; when the plug assembly is inserted into the socket assembly, the buckling table inclined pressing surface is matched with the second tilting inclined surface and the first tilting inclined surface through the inclined surfaces to tilt the two lock limiting strips and the one lock limiting strip, and then the buckling table inclined pressing surface enters the front side position of the one lock limiting strip and abuts against the one lock limiting strip to form a locking state of the connector.

3. The toggle two-stage locking connector plug of claim 1 or 2, wherein: the socket buckling table is characterized in that the first locking limit bar and the second locking limit bar are respectively provided with a first locking inclined plane and a second locking inclined plane, the first locking inclined plane and the second locking inclined plane are respectively positioned at the front side of the first locking limit bar and the front side of the second locking limit bar, the socket buckling table is provided with a buckling table inclined abutting plane, the first locking inclined plane, the second locking inclined plane and the buckling table inclined abutting plane are inclined from top to bottom in the inserting direction, and the buckling table inclined abutting plane can respectively form abutting fit with the first locking inclined plane and the second locking inclined plane to limit the socket buckling table.

4. The toggle two-stage locking connector plug of claim 2, wherein: the cross section of diagonal briquetting forms triangle-shaped shape, first diagonal pressure face, second diagonal pressure face incline from top to bottom to direction of inserting, the direction of extracting respectively, first diagonal pressure face can be through the slope cooperation jack-up perk lock spacing with first perk pressure inclined plane, two lock spacing have the third perk pressure inclined plane, the third perk pressure inclined plane is located two lock spacing's front side position, the third perk pressure inclined plane is from top to bottom to direction of extracting slope, the second diagonal pressure face can be through the slope cooperation jack-up perk two lock spacing with the third perk pressure inclined plane.

5. The toggle two-stage locking connector plug of claim 1 or 2, wherein: elastic connecting parts are uniformly connected between the first lock limiting strip, the second lock limiting strip and the base, and the elastic connecting parts are arranged along the inserting direction.

6. The toggle two-stage locking connector plug of claim 1 or 2, wherein: the unlocking shifting block is integrally connected with a gear buckle, the base is provided with a mounting hole, the wall of the mounting hole is provided with a plurality of gear grooves, and the gear buckle can be embedded and clamped in the corresponding gear groove to form a clamping position when the connector is in a locking state, a first-stage unlocking state or a second-stage unlocking state; the gear is buckled and is equipped with two and symmetrical arrangement at least, two the gear is buckled in the middle of can installing and is stopped the position sheetmetal, it is equipped with the sawtooth structure to stop in the elliptical hole that the unblock shifting block top surface set up to be equipped with the sawtooth structure in the position sheetmetal both sides, it is equipped with the elliptic cylinder that matches with elliptic hole size to stop the position sheetmetal end, the elliptic cylinder end is equipped with the carousel, elliptic cylinder and elliptical hole can take place deformation under the exogenic action and make elliptic cylinder can rotate certain angle relative elliptical hole.

7. The poking-type two-stage locking connector plug of claim 6, wherein: the unlocking shifting block is integrally connected with a limiting buckle, and the limiting buckle is in buckle fit with the outer edge of the mounting hole.

8. The toggle two-stage locking connector plug of claim 1 or 2, wherein: the unlocking shifting block and the base are provided with marks corresponding to the state of the connector in the locking state, the first-stage unlocking state and the second-stage unlocking state.

9. The toggle two-stage locking connector plug of claim 1 or 2, wherein: the top surface of the unlocking shifting block is fixedly provided with a convex push button.

10. A toggle two-stage locking connector, characterized by: a plug and socket assembly comprising the toggle two-stage locking connector of any one of claims 1 to 9.