CN111791725A

CN111791725A - Plugging method of charging gun assembly for new energy automobile

Info

Publication number: CN111791725A
Application number: CN202010654782.6A
Authority: CN
Inventors: 周海燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-20

Abstract

The application discloses a charging gun insertion assembly for a new energy automobile, which comprises an insertion cylinder arranged on a charging pile body and a charging gun body inserted in the insertion cylinder; insert a section of thick bamboo inner chamber left side and be equipped with outer card and stop the groove, insert a section of thick bamboo inner chamber right side from top to bottom the shaping have the direction slot, establish insert a section of thick bamboo pressure spring of section of thick bamboo inner chamber lower extreme: the rifle body that charges includes handheld rifle body, locking means, damping device. The plugging method comprises the following steps of 1, plugging and locking: 1.1, inserting the inserting cylinder preliminarily; 1.2, locking by a locking device; 1.3, the damping device synchronously reaches a critical point; 1.4, the charging gun body completes locking; step 2, pressure gun unlocking; and step 3, charging.

Description

Plugging method of charging gun assembly for new energy automobile

Technical Field

The application relates to the technical field of new energy, in particular to a plugging method of a charging gun plugging assembly for a new energy automobile.

Background

The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to swipe the card and use on the human-computer interaction operation interface that fills electric pile and provide, carry out operations such as corresponding charging method, charging time, expense data printing, fill electric pile display screen and can show data such as the charge volume, expense, charging time.

The charging gun is usually inserted on the charging pile and inserted on the electric vehicle during charging. The charging gun in the prior art lacks a locking mechanism or only has a simple locking mechanism, so that the charging gun is easy to separate, and therefore a charging gun insertion device of a new energy charging pile and a use method of the charging gun insertion device need to be designed.

The invention content is as follows:

a charging gun insertion assembly for a new energy automobile comprises an insertion cylinder arranged on a charging pile body and a charging gun body inserted in the insertion cylinder;

insert a section of thick bamboo inner chamber left side and be equipped with outer card and stop the groove, insert a section of thick bamboo inner chamber right side from top to bottom the shaping have the direction slot, establish insert a section of thick bamboo pressure spring of section of thick bamboo inner chamber lower extreme:

the rifle body that charges includes:

the handheld gun body comprises a gun body shell inserted into the insertion barrel, an operation groove arranged in the middle of the rear end face of the gun body shell, a locking inner cavity arranged below the rear end face of the gun body shell, and a guide convex block formed below the right side of the locking inner cavity and in insertion fit with the guide slot;

the locking device is used for locking the handheld gun body in the insertion barrel;

and the damping device is used for resetting the locking device.

As a further embodiment, the locking device includes:

a displacement device, comprising:

the input rack is slidably arranged on the right wall of the locking inner cavity, the upper end of the input rack penetrates through the upper wall of the locking inner cavity, and a stopping cross rod is formed at the upper end of the input rack rightwards;

the input gear is rotatably arranged at the front end of the locking inner cavity and is in transmission connection with the input rack, and a first bevel gear is coaxially arranged at the rear end of the input gear;

the second bevel gear is arranged below and behind the first bevel gear and is in transmission connection with the second bevel gear, a worm is concentrically arranged on the lower end face of the second bevel gear, at least two lantern rings with holes are further sleeved on the worm, and the lantern rings with holes are fixedly arranged on the rear end face of the locking inner cavity;

the fixed middle shaft comprises:

the middle shaft body is fixed on the lower half part of the front end surface of the locking inner cavity, the wide-diameter convex ring is formed in the middle of the middle shaft body, and the narrow-diameter convex ring is formed in the rear half part of the middle shaft body;

the one-way sleeve includes:

the worm wheel body is rotatably sleeved on the middle shaft body and is in transmission connection with the worm, an inner cavity is axially arranged in a through mode, and a wide-diameter groove in transmission fit with the wide-diameter convex ring is formed in the inner cavity of the worm wheel body;

the spring slot is arranged on the inner wall of the inner cavity of the worm wheel body along the radial direction, and an elastic pressure spring and a ratchet plug are sequentially inserted into the spring slot from the bottom of the slot to the opening direction;

the self-resetting jacking device comprises:

the resetting sleeve is rotatably sleeved on the middle shaft body and is positioned in the inner cavity of the worm wheel body, the lower edge of the inner cavity of the resetting sleeve is provided with a sleeve lower ring clamped below the narrow-diameter convex ring, and ratchet slots matched with the ratchet plug are uniformly distributed on the circumferential outer wall of the resetting sleeve;

the friction sleeve ring is rotatably sleeved on the middle shaft body, and the inner wall of the friction sleeve ring is tightly contacted with the middle shaft body;

the torsion spring is wound on the middle shaft body, one end of the torsion spring is connected with the friction sleeve ring, the other end of the torsion spring is connected with the reset sleeve, and the torsion spring gives clockwise torsion force to the reset sleeve;

the action upper shaft is formed in the center of the upper end face of the reset sleeve, two arc-shaped lugs are symmetrically arranged on the outer wall of the circumference of the action upper shaft in the center, and each arc-shaped lug is provided with an arc-shaped outer face gradually thickened in the clockwise direction and a flush end face formed by cutting in the axial direction;

the slave cylinder includes:

the inner clamping groove penetrates through the left end face of the locking inner cavity, an action cross rod is slidably inserted into the inner clamping groove, the right end of the action cross rod abuts against the action upper shaft, and an action stop head is further arranged above the right end face of the action cross rod and used for clamping the arc-shaped convex block to prevent the arc-shaped convex block from clockwise rotating to pass over the action stop head;

the spring slot is arranged at the rear end of the action cross rod, an action pressure spring is arranged in the spring slot, and a spring baffle plate which is inserted into the spring slot and is abutted against the action pressure spring is arranged on the rear end face of the locking inner cavity;

the damping device includes:

the transmission gear is rotatably arranged on the upper half part of the locking inner cavity and is in transmission connection with the input rack;

the first damping piece comprises an L-shaped core rod arranged between the upper end surface and the left end surface of the locking inner cavity, a rack body which is slidably sleeved in the vertical part of the L-shaped core rod and meshed with the transmission gear, a transverse connecting rod fixed on the left side of the upper end of the rack body, an internal threaded pipe fixed behind the transverse connecting rod, and a first pressure spring which is wound on the internal threaded pipe and is positioned below the transverse connecting rod;

the second damping part comprises an upper convex ring arranged on the left side of the locking inner cavity, a limiting convex block arranged in an inner hole of the upper convex ring, a middle sleeve slidably inserted in the convex block with the hole, a limiting side groove formed on the side surface of the middle sleeve and in insertion fit with the limiting convex block, a second pressure spring wound on the middle sleeve and an upper retaining ring arranged on the outer edge of the upper end of the middle sleeve;

the third damping part comprises a lower convex ring arranged on the left side of the locking inner cavity, a lower cylinder inserted in the lower convex ring in a sliding way, an upper slot formed in the upper half part of the lower cylinder and used for accommodating a middle sleeve, a lower retaining ring formed on the outer edge of the upper end of the lower cylinder, and a third pressure spring wound on the lower cylinder and positioned between the lower convex ring and the lower retaining ring;

the elastic force of the first pressure spring when the first pressure spring is compressed to the extreme state is smaller than the elastic force of the second pressure spring in the normal state;

and the elastic force of the second pressure spring when the second pressure spring is compressed to the limit state is smaller than the elastic force of the third pressure spring in the normal state.

As the technical scheme of further implementation, action horizontal pole right-hand member below is equipped with the draw-in groove of avoiding the arc lug to reset clockwise, the shaping of the parallel and level terminal surface distal end of arc lug have with draw-in groove locking complex dop.

As a further technical scheme, a transverse handle is arranged at the front end above the gun body shell.

As a further implementation technical scheme, the first damping part further comprises an external thread rod screwed in the internal thread pipe, and a stop oscillating bar wound in the internal thread pipe through an oscillating bar core shaft, wherein the oscillating bar core shaft is wound with an oscillating bar torsion spring for driving the stop oscillating bar to rotate clockwise so as to be separated from the inner wall of the middle sleeve;

at least three rings of annular grooves matched with the stop swing rods in a locking manner are formed in the inner wall of the middle sleeve;

the splicing method comprises the following steps:

step 1, inserting and robbing locking:

1.1, preliminary insertion of an insert cylinder:

the charging gun body is held by hand and is inserted into the insertion cylinder;

aligning a guide projection of the pistol body with a guide slot of the insertion cylinder;

1.2, locking by a locking device:

pressing down the handheld gun body until the stopping cross rod is stopped at the upper edge of the outer wall of the insertion barrel;

continuing to press down the handheld gun body 1, wherein the stopping cross rod and the input rack move upwards relative to the handheld gun body;

the input rack drives the input gear, the first bevel gear, the second bevel gear and the worm to rotate;

the worm acts on the worm wheel body to drive the one-way sleeve to rotate anticlockwise;

the ratchet plug acts on the ratchet slot to drive the reset sleeve, the action upper shaft and the arc-shaped lug to overcome the torsion of the torsion spring and rotate anticlockwise;

the arc-shaped outer surface of the arc-shaped convex block drives the action stop head and the action cross rod to gradually move leftwards by overcoming the elasticity of the action pressure spring until the farthest end of the arc-shaped outer surface of the arc-shaped convex block just passes over the action stop head and abuts against the right end of the action cross rod;

the left end of the action cross rod is inserted into the outer clamping groove to complete the locking of the charging gun body;

1.3, the damping device synchronously reaches a critical point:

during step 1.2, the data is synchronized,

the input rack drives the transmission gear to rotate, so that the damping device is compressed until a critical point is reached, and the pressure is suddenly increased when a user continues to press the charging gun body;

the user just loosens the hand at the critical point, or loosens the hand after slightly exceeding the critical point, and does not press down the charging gun body any more;

1.4, the rifle body that charges accomplishes the locking:

the charging gun body is driven by the inserting barrel pressure spring to move a small distance until the action cross rod is clamped at the upper end of the guide slot;

the damping device drives the input rack to reset downwards relative to the handheld gun body;

the input rack drives the input gear, the first bevel gear, the second bevel gear and the worm to rotate in the direction opposite to the direction in the step 1.2;

the worm drives the one-way sleeve to rotate clockwise;

the ratchet plug slides through the ratchet slot clockwise and cannot drive the reset sleeve, the action upper shaft and the arc-shaped lug to rotate;

the torsion spring drives the reset sleeve, the action upper shaft and the arc-shaped lug to rotate clockwise, the thickest part of the arc-shaped lug slides upwards at the right end of the action transverse rod until the arc-shaped lug abuts against the lower part of the action stop head, and a stable locking posture is kept;

step 2, pressure emergency unlocking:

the user presses down the charging gun body until the pressure is increased, and then the charging gun body continues to be pressed down;

the input rack drives the input gear, the first bevel gear, the second bevel gear and the worm to rotate in the same direction as the direction in the step 1.2;

the worm drives the one-way sleeve to rotate anticlockwise;

the ratchet plug drives the reset sleeve, the action upper shaft and the arc-shaped lug to rotate anticlockwise by overcoming the torsion of the torsion spring;

the thickest part of the arc-shaped convex block continuously slides downwards until the thickest part completely passes over the action stop head and the action cross rod, the action pressure spring drives the action cross rod to move rightwards and abut against the action upper shaft, and the action cross rod is separated from the outer clamping groove to finish unlocking;

a user lifts the charging gun body, the torsion spring drives the reset sleeve, the action upper shaft and the arc-shaped convex block to rotate clockwise until a clamping groove below the right end of the action transverse rod locks a clamping head formed at the far end of the flush end face of the arc-shaped convex block, and a stable unlocking posture is achieved;

lifting the charging gun body to pull the charging gun body out of the insertion barrel;

step 3, charging:

the charging is carried out through the charging gun body.

As a further embodiment, 1.3, the damping device 3 reaches the first critical point in synchronism:

during step 1.2, the data is synchronized,

the input rack drives a transmission gear to rotate, the transmission gear drives the rack body, the transverse connecting rod and the internal threaded pipe to overcome the damping of a first pressure spring to descend until the first pressure spring is compressed to the shortest stroke, and the shortest stroke of the first pressure spring is called as a first critical point;

after the first critical point is reached, when the user continues to press down again, the damping of the second damping part is far larger than that of the first damping part, and the user obviously feels that the damping is increased;

the user releases his hand at the first critical point, or releases his hand slightly beyond the first critical point, and does not press down the charging gun body.

As a further embodiment, 1.3, it is the second critical point that the damping device is synchronized:

a user screws the external threaded rod, so that the stop oscillating bar is driven to overcome the torsion of an oscillating bar spring and rotate until the stop oscillating bar abuts against the inner wall of the middle sleeve, and the locking between the first damping piece and the second damping piece is completed;

during step 1.2, the data is synchronized,

the input rack drives a transmission gear to rotate, the transmission gear drives the first damping part, the middle sleeve and the upper check ring to overcome the damping of the second pressure spring to move downwards until the second pressure spring is compressed to the shortest stroke, and the shortest stroke of the second pressure spring is called as a second critical point;

after the second critical point is reached, the damping of the third damping part is far greater than that of the second damping part when the user continues to press down, and the user obviously feels that the damping is increased;

the user just loosens the hand at the second critical point, or loosens the hand after slightly exceeding the second critical point, and does not press down the charging gun body any more.

Has the advantages that:

according to the charging gun inserting assembly of the new energy charging pile, a handheld charging gun body is inserted into an inserting cylinder, so that a guide projection of the handheld gun body is aligned with a guide slot of the inserting cylinder; in the pressing process, a user senses that the charging gun body is pressed to a first critical point or just about the first critical point (or a second critical point) through damping change, then releases the hand, and the charging gun body moves upwards and is clamped.

According to the charging gun inserting assembly of the new energy charging pile, the charging gun body is pressed down again, so that the charging gun body greatly crosses a first critical point (or a second critical point), then the hands are loosened, the charging gun body moves upwards, and the charging gun body is smoothly drawn out of the inserting cylinder.

Description of the drawings:

in order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the charging pile body and the charging gun insertion assembly.

Fig. 2 is a schematic structural view of an embodiment of the cartridge.

FIG. 3 is a cross-sectional view of one embodiment of the charging gun docking assembly.

FIG. 4 is a cross-sectional view of another embodiment of the charging gun docking assembly

Fig. 5 is a sectional view taken along line a-a of fig. 4.

Fig. 6 is an enlarged schematic view of a portion B in fig. 3.

Fig. 7 is an enlarged view of an embodiment of section C of fig. 4.

Fig. 8 is an enlarged view of the embodiment of section C of fig. 4.

Fig. 9 is an enlarged view of the embodiment of section C of fig. 4.

Fig. 10 is an enlarged view of the embodiment of section C of fig. 4.

Fig. 11 is an enlarged view of the embodiment of section C of fig. 4.

Fig. 12 is an enlarged schematic view of a portion D in fig. 4.

Fig. 13 is an enlarged schematic view of a portion D in fig. 4.

Fig. 14 is an enlarged schematic view of a portion D in fig. 4.

Fig. 15 is a cross-sectional view taken along line E-E of fig. 6.

Fig. 16 is an enlarged schematic view of portion F of fig. 15.

Fig. 17 is an enlarged schematic view of portion F of fig. 15.

In the figure:

a. the charging gun comprises an insertion cylinder, a1. external clamping stopping grooves, a2 guiding insertion grooves, a a3. insertion cylinder pressure spring, a charging gun body and a charging pile body;

1. the gun comprises a handheld gun body, 11 parts of a gun body shell, 12 parts of an operation groove, 13 parts of a locking inner cavity and 13a parts of a guide bump;

2. a locking device;

21. a displacement device, 21b, an input rack, 21c, a stop cross bar, 21d, an input gear, 21e, a first bevel gear, 21f, a second bevel gear, 21g, a worm, and 21h, a ring with a hole;

22. the fixed middle shaft 22a is a middle shaft body, 22b is a wide-diameter convex ring, and 22c is a narrow-diameter convex ring;

23. the one-way sleeve 23a is a worm wheel body, 23b is a wide-diameter groove, 23c is a spring slot, 23d is an elastic pressure spring, and 23e is a ratchet plug;

24. the self-resetting jacking device comprises a self-resetting jacking device, a resetting sleeve, a sleeve lower ring, a ratchet slot, a friction sleeve ring, a torsion spring, an action upper shaft and an arc-shaped bump, wherein the resetting sleeve is 24a, the sleeve lower ring is 24b, the ratchet slot is 24c, the friction sleeve ring is 24d, the torsion spring is 24e, the action upper shaft is 24f, and the arc-shaped bump is;

25. the lock comprises a driven lock core, 25a, an inner clamping groove, 25b, an action cross rod, 25c, an action stop head, 25d, a spring slot, 25e, an action pressure spring and 25f, a spring baffle;

3. the damping device comprises a damping device, 31, a transmission gear, 32, a first damping member, 32a.L type core bars, 32b, a rack body, 32c, a transverse connecting rod, 32d, an internal threaded pipe, 32e, a first pressure spring, 32f, an external threaded rod, 32g, a stop swing rod, 33, a second damping member, 33a, a perforated bump, 33b, a limiting bump, 33c, a middle sleeve, 33d, a limiting side groove, 33e, a second pressure spring, 33f, an upper retaining ring, 34, a third damping member, 34a, a perforated bump, 34b, a lower cylinder, 34c, an upper slot, 34d, a lower retaining ring and 34e, a third pressure spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

A charging gun insertion assembly for a new energy automobile comprises an insertion cylinder a arranged on a charging pile body c and a charging gun body b inserted in the insertion cylinder a;

insert a inner chamber left side and be equipped with outer card and end groove a1, it has direction slot a2, establishes to insert a inner chamber right side from top to bottom the shaping insert a pressure spring a3 of section of thick bamboo that inserts a inner chamber lower extreme:

the charging gun body b includes:

the handheld gun body 1 comprises a gun body shell 11 inserted into an insertion barrel a, an operation groove 12 arranged in the middle of the rear end face of the gun body shell 11, a locking inner cavity 13 arranged below the rear end face of the gun body shell 11, and a guide projection 13a which is formed below the right side of the locking inner cavity 13 and is in insertion fit with a guide insertion slot a 2;

a locking device 2 for locking the hand-held gun body 1 in the insertion cylinder a;

a damping device 3 for resetting the locking device 2.

As a further embodiment, the locking device 2 includes:

displacement device 21, comprising:

the input rack 21b is slidably arranged on the right wall of the locking inner cavity 13, the upper end of the input rack 21b penetrates through the upper wall of the locking inner cavity 13, and a stop cross bar 21c is formed at the upper end of the input rack 21b rightwards;

the input gear 21d is rotatably arranged at the front end of the locking inner cavity 13, the input gear 21d is in transmission connection with the input rack 21b, and the rear end of the input gear 21d is coaxially provided with a first bevel gear 21 e;

the second bevel gear 21f is arranged below and behind the first bevel gear 21e and is in transmission connection with the second bevel gear 21f, a worm 21g is concentrically arranged on the lower end face of the second bevel gear 21f, at least two perforated lantern rings 21h are further sleeved on the worm 21g, and the perforated lantern rings 21h are fixedly arranged on the rear end face of the locking inner cavity 13;

the fixed middle shaft 22 includes:

a middle shaft body 22a fixed on the lower half part of the front end surface of the locking inner cavity 13, a wide-diameter convex ring 22b formed in the middle of the middle shaft body 22a, and a narrow-diameter convex ring 22c formed in the rear half part of the middle shaft body 22 a;

the one-way sleeve 23 includes:

the worm wheel body 23a is rotatably sleeved on the middle shaft body 22a and is in transmission connection with the worm 21g, an inner cavity is axially arranged in the worm wheel body 23a in a penetrating manner, and a wide-diameter groove 23b in transmission fit with the wide-diameter convex ring 22b is formed in the inner cavity of the worm wheel body 23 a;

the spring slot 23c is arranged on the inner wall of the inner cavity of the worm wheel body 23a along the radial direction, and an elastic pressure spring 23d and a ratchet plug 23e are sequentially inserted into the spring slot 23c from the bottom of the slot to the opening direction;

the self-resetting jacking device 24 comprises:

the resetting sleeve 24a is rotatably sleeved on the middle shaft body 22a and is positioned in the inner cavity of the worm wheel body 23a, the lower edge of the inner cavity of the resetting sleeve 24a is provided with a sleeve lower ring 24b clamped below the narrow-diameter convex ring 22c, and ratchet slots 24c matched with the ratchet plug 23e are uniformly distributed on the circumferential outer wall of the resetting sleeve 24 a;

the friction sleeve ring 24d is rotatably sleeved on the middle shaft body 22a, and the inner wall of the friction sleeve ring 24d is tightly contacted with the middle shaft body 22 a;

a torsion spring 24e wound around the bottom bracket body 22a, wherein one end of the torsion spring 24e is connected with the friction collar 24d and the other end is connected with the return sleeve 24a, and the torsion spring 24e gives clockwise torsion force to the return sleeve 24 a;

the action upper shaft 24f is formed in the center of the upper end face of the reset sleeve 24a, two arc-shaped convex blocks 24g are symmetrically arranged on the outer wall of the circumference of the action upper shaft 24f in the center, and each arc-shaped convex block 24g is provided with an arc-shaped outer face gradually thickened in the clockwise direction and a flush end face cut and formed in the axial direction;

the slave cylinder 25 includes:

the inner clamping groove 25a penetrates through the left end face of the locking inner cavity 13, an action cross rod 25b is slidably inserted into the inner clamping groove 25a, the right end of the action cross rod 25b abuts against an action upper shaft 24f, and an action stop head 25c is further arranged above the right end face of the action cross rod 25b and used for clamping the arc-shaped bump 24g to prevent the arc-shaped bump 24g from clockwise rotating to cross the action stop head 25 c;

the spring slot 25d is arranged at the rear end of the action cross rod 25b, an action pressure spring 25e is arranged in the spring slot 25d, and a spring baffle 25f which is inserted into the spring slot 25d and is abutted against the action pressure spring 25e is arranged on the rear end face of the locking inner cavity 13;

the damping device 3 comprises:

the transmission gear 31 is rotatably arranged on the upper half part of the locking inner cavity 13, and the transmission gear 31 is in transmission connection with the input rack 21 b;

the first damping piece 32 comprises an L-shaped core rod 32a arranged between the upper end surface and the left end surface of the locking cavity 13, a rack body 32b which is slidably sleeved in the vertical part of the L-shaped core rod 32a and is meshed with the transmission gear 31, a transverse connecting rod 32c fixed on the left side of the upper end of the rack body 32b, an internal threaded pipe 32d fixed behind the transverse connecting rod 32c, and a first pressure spring 32e which is wound on the internal threaded pipe 32d and is positioned below the transverse connecting rod 32 c;

the second damping part 33 comprises an upper convex ring 33a arranged on the left side of the locking inner cavity 13, a limit lug 33b arranged in an inner hole of the upper convex ring 33a, a middle sleeve 33c slidably inserted in the convex ring 33a, a limit side groove 33d formed on the side surface of the middle sleeve 33c and matched with the limit lug 33b in an insertion manner, a second pressure spring 33e wound on the middle sleeve 33c, and an upper retaining ring 33f arranged on the outer edge of the upper end of the middle sleeve 33 c;

a third damping member 34, including a lower protruding ring 34a disposed on the left side of the locking cavity 13, a lower cylinder 34b slidably inserted into the lower protruding ring 34a, an upper insertion slot 34c formed in the upper half of the lower cylinder 34b for accommodating a middle sleeve 33c, a lower retaining ring 34d formed on the outer edge of the upper end of the lower cylinder 34b, and a third compression spring 34e wound around the lower cylinder 34b and located between the lower protruding ring 34a and the lower retaining ring 34 d;

the elastic force of the first pressure spring 32e when compressed to the extreme state is smaller than the elastic force of the second pressure spring 33e in the normal state;

the elastic force of the second compressed spring 33e when compressed to the limit state is smaller than the elastic force of the third compressed spring 34e in the normal state.

As a further technical scheme, a clamping groove for avoiding clockwise resetting of the arc-shaped bump 24g is arranged below the right end of the action cross rod 25b, and a clamping head matched with the clamping groove in a locking manner is formed at the far end of the flush end face of the arc-shaped bump 24g.

As a further technical solution, a horizontal handle is arranged at the upper front end of the gun body housing 11.

As a further implementation technical solution, the first damping member 32 further includes an external threaded rod 32f screwed in the internal threaded tube 32d, and a stop swing rod 32g wound in the internal threaded tube 32d through a swing rod core shaft, and the swing rod core shaft is wound with a swing rod torsion spring for driving the stop swing rod 32g to rotate clockwise so as to disengage from the inner wall of the middle sleeve 33 c;

at least three rings of annular grooves matched with the stop swing rod 32g in a locking mode are formed in the inner wall of the middle sleeve 33c.

A charging pile convenient for plugging a charging gun at least comprises a charging pile body c and a charging gun plugging assembly for a new energy automobile; the charging device comprises an inserting cylinder a arranged on a charging pile body c and a charging gun body b inserted in the inserting cylinder a.

The splicing method comprises the following steps:

step 1, inserting and robbing locking:

1.1, primary insertion cartridge a:

the charging gun body b is held by hand and is inserted into the insertion cylinder a;

aligning the guide projection 13a of the hand-held gun body 1 with the guide slot a2 of the insertion barrel a;

1.2, locking device 2 locks:

referring to the description of the drawings 7-11:

pressing down the handheld gun body 1 until the stopping cross rod 21c stops at the upper edge of the outer wall of the inserting barrel a;

continuing to press down the handheld gun body 1, wherein the stopping cross rod 21c and the input rack 21b move upwards relative to the handheld gun body 1;

the input rack 21b drives the input gear 21d, the first bevel gear 21e, the second bevel gear 21f and the worm 21g to rotate;

the worm 21g acts on the worm wheel body 23a to drive the one-way sleeve 23 to rotate anticlockwise;

the ratchet plug 23e acts on the ratchet slot 24c to drive the reset sleeve 24a, the action upper shaft 24f and the arc-shaped lug 24g to rotate anticlockwise by overcoming the torsion of the torsion spring 24 e;

the arc-shaped outer surface of the arc-shaped convex block 24g drives the action stop 25c and the action cross rod 25b to gradually move leftwards by overcoming the elasticity of the action pressure spring 25e until the arc-shaped outer most end of the arc-shaped convex block 24g just passes over the action stop 25c and abuts against the right end of the action cross rod 25 b;

the left end of the action cross rod 25b is inserted into the outer clamping groove a1 to complete the locking of the charging gun body b;

1.3, the damping device 3 synchronously reaches the critical point:

during step 1.2, the data is synchronized,

the input rack 21b drives the transmission gear 31 to rotate, so that the damping device 3 is compressed until a critical point is reached, and the pressure is suddenly increased when the user continues to press the charging gun body b;

the user just loosens the hand at the critical point, or loosens the hand after slightly exceeding the critical point, and does not press the charging gun body b any more;

1.4, the rifle body b that charges accomplishes the locking:

the inserting cylinder pressure spring a3 drives the charging gun body b to move upwards for a short distance until the action cross bar 25b is clamped at the upper end of the guide slot a 2;

the damping device 3 drives the input rack 21b to move downwards and reset relative to the handheld gun body 1;

the input rack 21b drives the input gear 21d, the first bevel gear 21e, the second bevel gear 21f and the worm 21g to rotate in the direction opposite to the direction in the step 1.2;

the worm 21g drives the one-way sleeve 23 to rotate clockwise;

the ratchet plug 23e slides clockwise through the ratchet slot 24c and cannot drive the reset sleeve 24a, the action upper shaft 24f and the arc-shaped lug 24g to rotate;

the torsion spring 24e drives the reset sleeve 24a, the action upper shaft 24f and the arc-shaped lug 24g to rotate clockwise, the thickest part of the arc-shaped lug 24g slides upwards at the right end of the action transverse rod 25b until the arc-shaped lug abuts against the lower part of the action stop head 25c, and a stable locking posture is kept;

step 2, pressure emergency unlocking:

the user presses down the charging gun body b until the pressure is increased, and then continues to press down the charging gun body b;

the input rack 21b drives the input gear 21d, the first bevel gear 21e, the second bevel gear 21f and the worm 21g to rotate in the same direction as in the step 1.2;

the worm 21g drives the one-way sleeve 23 to rotate anticlockwise;

the ratchet plug 23e drives the reset sleeve 24a, the action upper shaft 24f and the arc-shaped lug 24g to rotate anticlockwise by overcoming the torsion of the torsion spring 24 e;

the thickest part of the arc-shaped convex block 24g continuously slides downwards until the thickest part completely passes over the action stop head 25c and the action cross rod 25b, the action pressure spring 25e drives the action cross rod 25b to move rightwards and abut against the action upper shaft 24f, the action cross rod 25b is separated from the outer clamping groove a1, and unlocking is completed;

a user lifts the charging gun body b, the torsion spring 24e drives the reset sleeve 24a, the action upper shaft 24f and the arc-shaped bump 24g to rotate clockwise until a clamping groove below the right end of the action transverse rod 25b locks a clamping head formed at the far end of the flush end face of the arc-shaped bump 24g, and a stable unlocking posture is achieved;

lifting the charging gun body b to pull out the charging gun body b from the insertion barrel a;

step 3, charging:

the charging is performed through the charging gun body b.

referring to the specification, fig. 12 and 13, it can be seen that:

during step 1.2, the data is synchronized,

the input rack 21b drives a transmission gear 31 to rotate, the transmission gear 31 drives the rack body 32b, the transverse connecting rod 32c and the internal threaded pipe 32d to move downwards against the damping of a first pressure spring 32e until the first pressure spring 32e is compressed to the shortest stroke, and the shortest stroke of the first pressure spring 32e is called as a first critical point;

after the first critical point is reached, the damping of the second damping member 33 is much larger than that of the first damping member 32 when the user continues to press down, and the user obviously feels that the damping is increased;

the user releases the hand just at the first critical point, or slightly beyond the first critical point, and does not press the charging gun body b any more.

As a further embodiment, 1.3, the damping device 3 synchronously reaches the second critical point:

referring to the description and the accompanying drawings 12 and 14:

a user tightens the external threaded rod 32f, so as to drive the stop oscillating rod 32g to overcome the oscillating rod spring torsion to rotate until the stop oscillating rod 32g abuts against the inner wall of the middle sleeve 33c, and the locking between the first damping piece 32 and the second damping piece 33 is completed;

during step 1.2, the data is synchronized,

the input rack 21b drives a transmission gear 31 to rotate, the transmission gear 31 drives the first damping part 32, the middle sleeve 33c and the upper check ring 33f to move downwards against the damping of a second compression spring 33e until the second compression spring 33e is compressed to the shortest stroke, and the shortest stroke of the second compression spring 33e is called as a second critical point;

after the second critical point is reached, the damping of the third damping member 33 is much greater than that of the second damping member 32 when the user continues to press down, and the user obviously feels that the damping is increased;

the user just looses his hand at the second critical point, or slightly looses his hand after the second critical point, and does not press the charging gun body b any more.

As a further embodiment, an input mandrel is fixedly disposed on the front end surface of the locking cavity 13 and penetrates through the input gear 21d and the first bevel gear 21e, and the input gear 21d and the first bevel gear 21e are rotatably disposed on the input mandrel.

As a further embodiment, a limit convex ring is formed on the inner edge of the lantern ring with hole 21h, and a limit groove corresponding to the limit convex ring is formed on the outer edge of the worm 21g to limit the worm 21g to only rotate but not to axially move.

It should be noted that, in the process that the reset sleeve 24a, the action upper shaft 24f and the arc-shaped projection 24g rotate counterclockwise against the torsion of the torsion spring 24e, when the torsion amount is too large, the torsion of the torsion spring 24e to the friction collar 24d is too large, so that the friction collar 24d overcomes the friction force between the friction collar and the bottom bracket axle body 22a to generate torsion, and the excessive torsion amount of the reset sleeve 24a is released; after the reset sleeve 24a is twisted, the friction collar 24d and the bottom bracket body 22a are restored to be relatively stationary, and the torsion spring 24e continues to apply a clockwise static torsion force to the reset sleeve 24a.

As a further pair of embodiments, the inner wall of the friction collar 24d and the bottom bracket body 22a are both provided with friction devices to achieve stable friction between the inner wall of the friction collar 24d and the bottom bracket body 22a. Still further, the friction devices are uniformly distributed friction salient points; still further, the friction device is friction stripes which are uniformly distributed in the circumferential direction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a grafting method of rifle assembly that charges for new energy automobile which characterized in that:

the charging gun assembly for the new energy automobile comprises an inserting cylinder (a) arranged on a charging pile body (c) and a charging gun body (b) inserted in the inserting cylinder (a);

insert a (a) inner chamber left side and be equipped with outer card and hold groove (a1), it has guide slot (a2), establishes to insert a (a) inner chamber right side from top to bottom the shaping insert a section of thick bamboo pressure spring (a3) of (a) inner chamber lower extreme:

the charging gun body (b) includes: :

the handheld gun body (1) comprises a gun body shell (11) inserted into an insertion barrel (a), an operation groove (12) arranged in the middle of the rear end face of the gun body shell (11), a locking inner cavity (13) arranged below the rear end face of the gun body shell (11), and a guide convex block (13a) formed below the right side of the locking inner cavity (13) and in insertion fit with a guide insertion slot (a 2);

a locking device (2) for locking the hand-held gun body (1) in the insertion cylinder (a);

a damping device (3) for resetting the locking device (2).

The locking device (2) comprises:

displacement device (21) comprising:

the input rack (21b) is slidably arranged on the right wall of the locking inner cavity (13), the upper end of the input rack (21b) penetrates through the upper wall of the locking inner cavity (13), and a stopping cross rod (21c) is formed at the upper end of the input rack (21b) rightwards;

the input gear (21d) is rotatably arranged at the front end of the locking inner cavity (13), the input gear (21d) is in transmission connection with the input rack (21b), and the rear end of the input gear (21d) is coaxially provided with a first bevel gear (21 e);

the second bevel gear (21f) is arranged below and behind the first bevel gear (21e) and is in transmission connection with the second bevel gear (21f), a worm (21g) is concentrically arranged on the lower end face of the second bevel gear (21f), at least two perforated lantern rings (21h) are further sleeved on the worm (21g), and the perforated lantern rings (21h) are fixedly arranged on the rear end face of the locking inner cavity (13);

the fixed middle shaft (22) comprises:

the locking device comprises a middle shaft body (22a) fixed on the lower half part of the front end surface of a locking inner cavity (13), a wide-diameter convex ring (22b) formed in the middle of the middle shaft body (22a), and a narrow-diameter convex ring (22c) formed in the rear half part of the middle shaft body (22 a);

the one-way sleeve (23) comprises: :

the worm wheel body (23a) is rotatably sleeved on the middle shaft body (22a) and is in transmission connection with the worm (21g), an inner cavity is axially arranged in the worm wheel body (23a) in a penetrating mode, and a wide-diameter groove (23b) in transmission fit with the wide-diameter convex ring (22b) is formed in the inner cavity of the worm wheel body (23 a);

the spring slot (23c) is arranged on the inner wall of the inner cavity of the worm wheel body (23a) along the radial direction, and an elastic pressure spring (23d) and a ratchet plug (23e) are sequentially inserted into the spring slot (23c) from the bottom of the slot to the opening direction;

the self-resetting jacking device (24) comprises:

the resetting sleeve (24a) is rotatably sleeved on the middle shaft body (22a) and is positioned in the inner cavity of the worm wheel body (23a), a sleeve lower ring (24b) clamped below the narrow-diameter convex ring (22c) is arranged on the lower edge of the inner cavity of the resetting sleeve (24a), and ratchet slots (24c) matched with the ratchet plug (23e) are uniformly distributed on the circumferential outer wall of the resetting sleeve (24 a);

the friction sleeve ring (24d) is rotatably sleeved on the middle shaft body (22a), and the inner wall of the friction sleeve ring (24d) is tightly contacted with the middle shaft body (22 a);

the torsion spring (24e) is wound on the middle shaft body (22a), one end of the torsion spring (24e) is connected with the friction collar (24d), the other end of the torsion spring is connected with the reset sleeve (24a), and the torsion spring (24e) gives clockwise torsion force to the reset sleeve (24 a);

the action upper shaft (24f) is formed in the center of the upper end face of the reset sleeve (24a), two arc-shaped convex blocks (24g) are symmetrically arranged on the outer wall of the circumference of the action upper shaft (24f) in the center, and each arc-shaped convex block (24g) is provided with an arc-shaped outer face gradually thickened along the clockwise direction and a flush end face formed by cutting along the axial direction;

the slave key cylinder (25) includes:

the inner clamping groove (25a) penetrates through the left end face of the locking inner cavity (13), an action cross rod (25b) is slidably inserted into the inner clamping groove (25a), the right end of the action cross rod (25b) abuts against an action upper shaft (24f), and an action stop head (25c) is further arranged above the right end face of the action cross rod (25b) and used for clamping the arc-shaped convex block (24g) to prevent the arc-shaped convex block from clockwise rotating to pass over the action stop head (25 c);

the spring slot (25d) is arranged at the rear end of the action cross rod (25b), an action pressure spring (25e) is arranged in the spring slot (25d), and a spring baffle plate (25f) which is inserted into the spring slot (25d) and is abutted against the action pressure spring (25e) is arranged on the rear end face of the locking inner cavity (13);

the damping device (3) comprises:

the transmission gear (31) is rotatably arranged on the upper half part of the locking inner cavity (13), and the transmission gear (31) is in transmission connection with the input rack (21 b);

the first damping piece (32) comprises an L-shaped core rod (32a) arranged between the upper end surface and the left end surface of the locking inner cavity (13), a rack body (32b) which is slidably sleeved in the vertical part of the L-shaped core rod (32a) and meshed with the transmission gear (31), a transverse connecting rod (32c) fixed on the left side of the upper end of the rack body (32b), an internal threaded pipe (32d) fixed behind the transverse connecting rod (32c), and a first pressure spring (32e) which is wound on the internal threaded pipe (32d) and is positioned below the transverse connecting rod (32 c);

the second damping part (33) comprises an upper convex ring (33a) arranged on the left side of the locking inner cavity (13), a limiting convex block (33b) arranged in an inner hole of the upper convex ring (33a), a middle sleeve (33c) slidably inserted in the convex block with the hole (33a), a limiting side groove (33d) formed in the side surface of the middle sleeve (33c) and in insertion fit with the limiting convex block (33b), a second pressure spring (33e) wound on the middle sleeve (33c), and an upper retaining ring (33f) arranged on the outer edge of the upper end of the middle sleeve (33 c);

the third damping part (34) comprises a lower convex ring (34a) arranged on the left side of the locking inner cavity (13), a lower cylinder (34b) slidably inserted in the lower convex ring (34a), an upper inserting groove (34c) formed in the upper half part of the lower cylinder (34b) and used for accommodating a middle sleeve (33c), a lower retaining ring (34d) formed on the outer edge of the upper end of the lower cylinder (34b), and a third pressure spring (34e) wound on the lower cylinder (34b) and positioned between the lower convex ring (34a) and the lower retaining ring (34 d);

the elastic force of the first pressure spring (32e) when compressed to the limit state is smaller than the elastic force of the second pressure spring (33e) in the normal state;

the elasticity of the second pressure spring (33e) when compressed to the limit state is smaller than the elasticity of the third pressure spring (34e) in the normal state;

a clamping groove for preventing the arc-shaped bump (24g) from resetting clockwise is arranged below the right end of the action cross rod (25b), and a clamping head matched with the clamping groove in a locking manner is formed at the far end of the flush end face of the arc-shaped bump (24 g);

a transverse handle is arranged at the front end above the gun body shell (11);

the first damping part (32) further comprises an external threaded rod (32f) screwed in the internal threaded pipe (32d) and a stop swing rod (32g) wound in the internal threaded pipe (32d) through a swing rod core shaft, and the swing rod core shaft is wound with a swing rod torsion spring for driving the stop swing rod (32g) to rotate clockwise so as to be separated from the inner wall of the middle sleeve (33 c);

at least three rings of annular grooves matched with the stop swing rod (32g) in a locking way are formed in the inner wall of the middle sleeve (33 c);

the splicing method comprises the following steps:

step 1, inserting and robbing locking:

1.1, preliminary insertion of the cartridge (a):

the charging gun body (b) is held by hand to be inserted into the insertion cylinder (a);

aligning a guide projection (13a) of the hand-held gun body (1) with a guide slot (a2) of the insertion barrel (a);

1.2, locking device 2 locks:

pressing down the handheld gun body (1) until the stopping cross rod (21c) is stopped at the upper edge of the outer wall of the inserting barrel (a);

the hand-held gun body (1) is continuously pressed down, and the stopping cross rod (21c) and the input rack (21b) move upwards relative to the hand-held gun body (1);

the input rack (21b) drives the input gear (21d), the first bevel gear (21e), the second bevel gear (21f) and the worm (21g) to rotate;

the worm (21g) acts on the worm wheel body (23a) to drive the one-way sleeve (23) to rotate anticlockwise;

the ratchet plug (23e) acts on the ratchet slot (24c) to drive the reset sleeve (24a), the action upper shaft (24f) and the arc-shaped lug (24g) to rotate anticlockwise by overcoming the torsion of the torsion spring (24 e);

the arc-shaped outer surface of the arc-shaped convex block (24g) drives the action stop head (25c) and the action cross rod (25b) to gradually move leftwards by overcoming the elasticity of the action pressure spring (25e) until the farthest end of the arc-shaped outer surface of the arc-shaped convex block (24g) just crosses the action stop head (25c) and abuts against the right end of the action cross rod (25 b);

the left end of the action cross rod (25b) is inserted into the outer clamping groove (a1) to complete the locking of the charging gun body (b);

1.3, the damping device (3) synchronously reaches a critical point:

during step 1.2, the data is synchronized,

the input rack (21b) drives the transmission gear (31) to rotate, so that the damping device (3) is compressed until a critical point is reached, and the pressure is suddenly increased when a user continues to press the charging gun body (b);

the user releases his hand right at the critical point, or slightly beyond the critical point, and does not press down the charging gun body (b);

1.4, the rifle body that charges (b) accomplishes the locking:

the cartridge compression spring (a3) drives the charging gun body (b) to move upwards for a short distance until the action cross rod (25b) is clamped at the upper end of the guide slot (a 2);

the damping device (3) drives the input rack (21b) to move downwards and reset relative to the handheld gun body (1);

the input rack (21b) drives the input gear (21d), the first bevel gear (21e), the second bevel gear (21f) and the worm (21g) to rotate in the direction opposite to the direction in the step 1.2;

the worm (21g) drives the one-way sleeve (23) to rotate clockwise;

the ratchet plug (23e) slides through the ratchet slot (24c) clockwise, so that the reset sleeve (24a), the action upper shaft (24f) and the arc-shaped lug (24g) cannot be driven to rotate;

the torsion spring (24e) drives the reset sleeve (24a), the action upper shaft (24f) and the arc-shaped convex block (24g) to rotate clockwise, the thickest part of the arc-shaped convex block (24g) slides upwards at the right end of the action transverse rod (25b) until the arc-shaped convex block abuts against the lower part of the action stop head (25c), and a stable locking posture is kept;

step 2, pressure emergency unlocking:

the user presses down the charging gun body (b) until the pressure is increased, and then continues to press down the charging gun body (b);

the input rack (21b) drives the input gear (21d), the first bevel gear (21e), the second bevel gear (21f) and the worm (21g) to rotate in the same direction as in the step 1.2;

the worm (21g) drives the one-way sleeve (23) to rotate anticlockwise;

the ratchet plug (23e) drives the reset sleeve (24a), the action upper shaft (24f) and the arc-shaped lug (24g) to rotate anticlockwise by overcoming the torsion of the torsion spring (24 e);

the thickest part of the arc-shaped convex block (24g) continuously slides downwards until completely passing over the action stop head (25c) and the action cross rod (25b), the action pressure spring (25e) drives the action cross rod (25b) to move rightwards and abut against the action upper shaft (24f), the action cross rod (25b) is separated from the outer clamping groove (a1), and unlocking is completed;

a user lifts the charging gun body (b), the torsion spring (24e) drives the reset sleeve (24a), the action upper shaft (24f) and the arc-shaped convex block (24g) to rotate clockwise until a clamping groove below the right end of the action transverse rod (25b) locks a clamping head formed at the far end of the flush end face of the arc-shaped convex block (24g), and a stable unlocking posture is achieved;

lifting the charging gun body (b) to pull the charging gun body out of the insertion cylinder (a);

step 3, charging:

charging is performed through the charging gun body (b).

2. The plugging method of the charging gun assembly for the new energy automobile according to claim 1, characterized in that: 1.3, the damping device (3) synchronously reaches a first critical point:

during step 1.2, the data is synchronized,

the input rack (21b) drives a transmission gear (31) to rotate, the transmission gear (31) drives the rack body (32b), the transverse connecting rod (32c) and the internal threaded pipe (32d) to go down against the damping of a first pressure spring (32e) until the first pressure spring (32e) is compressed to the shortest stroke, and the shortest stroke of the first pressure spring (32e) is called as a first critical point;

after the first critical point is reached, the damping of the second damping part (33) is far larger than that of the first damping part (32) when the user continues to press down, and the user obviously feels that the damping is increased;

the user releases the hand just at the first critical point or slightly beyond the first critical point, and does not press the charging gun body (b).

3. The plugging method of the charging gun assembly for the new energy automobile according to claim 1, characterized in that: 1.3, the damping device (3) synchronously reaches a second critical point:

a user tightens the external threaded rod (32f) to further drive the stop swing rod (32g) to overcome the torsion of the swing rod spring to rotate until the stop swing rod (32g) abuts against the inner wall of the middle sleeve (33c), and the locking between the first damping piece (32) and the second damping piece (33) is completed;

during step 1.2, the data is synchronized,

the input rack (21b) drives a transmission gear (31) to rotate, the transmission gear (31) drives the first damping part (32), the middle sleeve (33c) and the upper retainer ring (33f) to move downwards against the damping of a second pressure spring (33e) until the second pressure spring (33e) is compressed to the shortest stroke, and the shortest stroke of the second pressure spring (33e) is called as a second critical point;

after the second critical point is reached, the damping of the third damping part (33) is far greater than that of the second damping part (32) when the user continues to press down, and the user obviously feels that the damping is increased;

the user just looses the hand at the second critical point or slightly looses the hand after the second critical point, and the charging gun body (b) is not pressed down any more.