CN209719291U

CN209719291U - Charging pile

Info

Publication number: CN209719291U
Application number: CN201920447979.5U
Authority: CN
Inventors: 周加良; 施伟源; 方永刚; 单伟校
Original assignee: HANGZHOU HONGSHI ELECTRICAL CO Ltd
Current assignee: Hangzhou Hongshi Electric Co., Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2019-12-03
Anticipated expiration: 2029-04-03

Abstract

This charging pile includes shell and circuit board, several connectors connecting with shell vertical are equipped in the interior bottom of shell, circuit board is fixed on the one end of connector far from bottom in shell, bottom is additionally provided with waterproof cover inside the shell and the side of waterproof cover is equipped with opening, circuit board is placed in waterproof cover and the side of circuit board extends open outside, being placed in the inner wall of circuit board circumferential direction side and waterproof cover in waterproof cover, there are gaps one, it is equipped with several column display lamps connecting and be used to show state vertical with circuit board on circuit boards, several location holes being inserted into one by one for the column display lamp are equipped with far from the side of bottom in shell in waterproof cover, there are spacing for side outer wall and shell side inner wall far from it in bottom of the waterproof cover far from bottom in shell, it is passed through equipped with several with the location hole in side of the shell far from bottom in it Logical through hole, column display lamp is through location hole and column display lamp is extended to far from one end of circuit board on the inside of the inner orifice of through hole.

Description

Charging pile

Technical field

The utility model belongs to charging technique field more particularly to a kind of charging pile.

Background technique

Charging pile is generally applied to indoor and outdoors.

When charging pile is installed to outdoor, preferable thermal diffusivity and waterproof performance are needed, because, its outdoor condition phase To severe, when weather constantly changes, the influence of Changes in weather will receive, or even water inlet short circuit can occur.

Secondly, its fixation for state display lamp of existing charging pile, generally uses on circuit board and several states is arranged Display lamp corresponds to corresponding hole location on shell for protruding into for state display lamp, and this structure has a disadvantage in that: status display It is directly contacted lamp with charging pile shell, and the heat inside charging pile is caused to be difficult to be discharged in time, meanwhile, state display lamp itself Heat dissipation be also affected.

Based on above-mentioned problem, it is badly in need of designing a charging pile that can solve above-mentioned technical problem.

Utility model content

The purpose of this utility model be in view of the above-mentioned problems, provide a kind of waterproof performance it is good and convenient for heat dissipation charging pile.

In order to achieve the above objectives, the utility model uses following technical proposal: this charging pile includes shell and is fixed on Circuit board in shell, and the air switch being electrically connected with circuit board are equipped with several and shell vertical in the interior bottom of shell The connector of connection, circuit board are fixed on the one end of connector far from bottom in shell, and bottom is additionally provided with waterproof cover inside the shell And the side of waterproof cover is equipped with opening, circuit board is placed in waterproof cover and the side of circuit board extends open outside, is placed in waterproof There are gaps one for the inner wall of circuit board circumferential direction side and waterproof cover in cover, are equipped with several vertical with circuit board connect on circuit boards The column display lamp for connecing and be used to show state, in side of the waterproof cover far from bottom in shell equipped with several for the column The location hole that display lamp is inserted into one by one, side outer wall and shell side far from it in bottom of the waterproof cover far from bottom in shell There are spacing for inner wall, are equipped with several through holes penetrated through with the location hole, column far from the side of bottom in it in shell Display lamp is through location hole and column display lamp is extended to far from one end of circuit board on the inside of the inner orifice of through hole.

Arc convex is equipped with far from one end of circuit board in every column display lamp.

The waterproof cover of design can play the role of waterproof performance promotion.

Circuit board connected piece is hanging, meanwhile, it is partially disposed in waterproof cover, partially extend out to outside waterproof cover, using gap One and spacing design, not only can distributing in order to internal heat, but also can in order to itself (especially circuit board) heat Distributing for amount, can prolong the service life.

Column display lamp runs through location hole, and the fixed stability of column display lamp can be improved, and column display lamp is separate One end of circuit board extends on the inside of the inner orifice of through hole, can retain heat-dissipating space between the two, shows convenient for column The heat dissipation of lamp itself.

In above-mentioned charging pile, the close interior bottom side with shell of the waterproof cover has U-shaped contact surface, in U U-shaped sealing joint strip is equipped between shape contact surface and the interior bottom of shell.

U-shaped sealing joint strip is rubber strip.

It is equipped with U-shaped fixing groove on U-shaped contact surface, U-shaped sealing joint strip is fixed in U-shaped fixing groove and U-shaped fixing groove Groove depth is less than the thickness of U-shaped sealing joint strip.

In above-mentioned charging pile, there are gaps two between the side circumferential direction and opening in the open outside of circuit board extension.

Gap two its equally play the role of heat dissipation.

In above-mentioned charging pile, bottom is equipped with zigzag shape bracket, the notch direction of zigzag shape bracket in the shell Side far from bottom in shell is equipped with the locating slot inserted in for the zigzag shape bracket in the downside of air switch, fixed The side cell wall of position slot is equipped with inwardly protruded interior protuberance, and lateral locking is formed between interior protuberance and the slot bottom of locating slot Slot, zigzag shape bracket inserts in locating slot and wherein a side of zigzag shape bracket inserts in the lateral lock groove.

Notch on the downside of locating slot and air switch forms heat dissipation channel.

It expands the heat-dissipating space in air switch and shell between bottom to zigzag shape bracket, can be further improved scattered Hot property.

Design lateral lock groove its can prevent air switch to the notch of locating slot disengaging (be not the both ends of locating slot Direction).

In above-mentioned charging pile, the zigzag shape bracket is made of metallic plate punching；In zigzag shape bracket Portion is equipped with several waist-shaped holes being arranged along zigzag shape stent length direction, and the interior bottom thread with shell is equipped in waist-shaped hole The screw of connection.

The design of waist-shaped hole, can be in order to the adjustment of position.

In above-mentioned charging pile, the side that the shell is equipped with through hole is also provided on the outside of air switch Peep hole, and by the closed closed plate of peep hole, closed plate is greater than by several screws and cage connection, the outer diameter of closed plate The aperture of peep hole is equipped with annular sealing strip between closed plate and the outer wall of shell.

The peep hole and closed plate of design, can be in order to the observation of internal portion's air switch, at the same time it can also just It is dismounted in the maintenance of subsequent air switch.

Leakproofness can be improved in it to annular sealing strip, avoids extraneous rainwater and enters to interior of shell.

In above-mentioned charging pile, the closed plate is square plate, is respectively equipped with taper in the four corners of closed plate Hole, outwardly, the small inner diameter ends of bellmouth inwardly, are set in outer shell outer wall there are four connecting cylinder and company the big inner diameter ends of bellmouth Connect cylinder t shape structure, the inner end outer diameter of connecting cylinder are greater than the outer end outer diameter of connecting cylinder, if the outer end outer wall in connecting cylinder is equipped with The dry outer double wedge being circularly and evenly distributed is equipped with the V-arrangement between two adjacent outer double wedges in the outer end outer wall of connecting cylinder Slot is respectively equipped with inclined surface in the outer end of each outer double wedge, the inner end end face of the inner end end of each outer double wedge and connecting cylinder it Between there are spacing two, be also provided with several fixation holes positioned at peep hole periphery, connecting cylinder in the side that shell is equipped with peep hole Outer end insert in the fixation hole and the tip of outer double wedge is resisted against on fixation hole hole wall, screw is inserted in bellmouth and is stretched Enter to connecting cylinder inside and screw is threadedly coupled with connecting cylinder.

Several interior double wedges being circularly and evenly distributed are equipped in the inner wall of fixation hole.

The convex tooth engagement of outer double wedge itself and fixation hole inner wall.

V-shaped groove its heat dissipation of internal heat can be flowed.

And outer double wedge its can expand heat dissipation area, and can be further improved heat dissipation performance.

Inclined surface its play the role of guiding.

Spacing two its being installed in place in order to connecting cylinder.

In above-mentioned charging pile, the side that the shell is equipped with fixation hole is additionally provided with deep gouge, the outer end of fixation hole with Sink groove bottom connection, closed plate are placed in deep gouge.

Deep gouge its can be in order to the fixation of closed plate.

In above-mentioned charging pile, the shell peripheral outer wall is equipped with the charging connection head connecting with circuit board.

Charging connection head have three insert and two insert in any one or two kinds combination.

In above-mentioned charging pile, the shell includes bottom plate and cover, is had on the periphery of bottom plate to the same face fold Flange, cover are set on flange, are connected between flange and cover by several connecting screws；

Bottom plate and cover are connected by hinge, or are bolted by several connections.

Notch is equipped in the front side of cover；

Notch its can be dynamic in order to sink flows.

Hardy hole is respectively equipped in the four corners of bottom plate.

Hardy hole its can be fixed in order to the installation of shell.

In above-mentioned charging pile, the circuit board includes at least sampling unit, main control unit, storage unit, power supply Unit, circuit control unit and indicating unit, wherein said supply unit is used to provide power supply for the circuit board；It is described to adopt Sample unit is connected by circuit control unit with charge circuit, for obtaining charge parameter in real time and being sent to main control unit； The storage unit is connected with main control unit, for the charging curve of corresponding battery truck to be stored in advance；The main control unit is extremely Matching module is set less, and the matching module is for obtaining real time charging parameter and judging whether and prestore charging curve phase Match, if mismatched, the main control unit controls the indicating unit and issues indication signal and the cutting of control loop control unit Charge circuit.

The color of state display lamp is any one in red, yellow and green.

Compared with prior art, it is the advantages of this charging pile:

1, the waterproof cover designed can play the role of waterproof performance promotion.

2, circuit board connected piece is hanging, meanwhile, it is partially disposed in waterproof cover, partially extend out to outside waterproof cover, between The design of gap one and spacing, not only can distributing in order to internal heat, but also can distributing in order to self heat, can be with Prolong the service life.

3, column display lamp runs through location hole, and the fixed stability of column display lamp can be improved, and column display lamp is remote One end from circuit board extends to the inner orifice of through hole, can retain heat-dissipating space between the two, is convenient for column display lamp The heat dissipation of itself.

4, structure is simple and manufacturing cost is low.

Detailed description of the invention

Fig. 1 is schematic diagram of front three-dimensional structure provided by the utility model.

Fig. 2 is the back side dimensional structure diagram provided by the utility model.

Fig. 3 is positive structure schematic provided by the utility model.

Fig. 4 is A-A in Fig. 3 to schematic structural cross-sectional view.

Fig. 5 is the B-B direction schematic structural cross-sectional view in Fig. 3.

Fig. 6 is C-C in Fig. 3 to schematic structural cross-sectional view.

Fig. 7 is the schematic perspective view after removal cover provided by the utility model.

Fig. 8 is waterproof cover structure schematic diagram provided by the utility model.

Fig. 9 is enlarged structure schematic diagram at Q in Fig. 6.

Figure 10 is connecting cylinder schematic perspective view provided by the utility model.

Figure 11 is the stereoscopic-state schematic diagram after air switch provided by the utility model and zigzag shape bracket assembled.

Figure 12 is circuit board block diagram provided by the utility model.

In figure, shell 1, bottom plate 1a, cover 1b, flange 1c, notch 1d, hardy hole 1e, clear plastic plate 10, through hole 11, peep hole 12, closed plate 13, bellmouth 131, annular sealing strip 14, connecting cylinder 15, outer double wedge 151, V-shaped groove 152, inclination Face 153, fixation hole 16, deep gouge 17, fixed block 18, inverted U-shaped portion 19, circuit board 2, column display lamp 21, air switch 3, positioning Slot 31, interior protuberance 32, lateral lock groove 33, connector 4, waterproof cover 5, location hole 52, U-shaped contact surface 53, U-shaped sealing joint strip 54, zigzag shape bracket 6, waist-shaped hole 61.

Specific embodiment

It is the specific embodiment of utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Fig. 1-2 and Fig. 4, this charging pile includes shell 1 and the circuit board 2 that is fixed in shell 1, and and circuit The air switch 3 that plate 2 is electrically connected.

Air switch 3 is commercially available product.

Specifically, as shown in figure 4, the shell 1 of the present embodiment includes bottom plate 1a and cover 1b, on the periphery of bottom plate 1a to same Fold has flange 1c, cover 1b to be set on flange 1c on one side, is connected between flange 1c and cover 1b by several connecting screws It connects；

The inside of shell 1 and cover 1b form a cavity, are used for mounting circuit boards and air switch etc. component.

It, can be to avoid especially with stainless steel material secondly, the shell of the present embodiment is made of metallic plate punching It gets rusty, at the same time it can also ensure structural strength and service life.

As shown in Figure 1, being equipped with notch 1d in the front side of cover 1b；Notch 1d its be convenient for route arrangement.

As shown in Fig. 2, the four corners in bottom plate 1a are respectively equipped with hardy hole 1e.Hardy hole 1e it can be easily installed admittedly It is fixed, and disassembly.

In addition, being equipped with the charging connection head connecting with circuit board 2 in 1 peripheral outer wall of shell.Charging connection head its with the external world Be electrically charged device connection.

As shown in figs. 4-7, several and the connector 4 connected vertically of shell 1, connector 4 are equipped in the interior bottom of shell 1 It is in the form of a column, including lower tubular element, and the upper connector for being connected to lower tubular element upper end and being threadedly coupled with lower tubular element, lower cylinder The lower end of shape part inserts in shell in the through-hole of bottom and is equipped with lock-screw, the cap end of lock-screw in the lower end of lower tubular element It is docile on shell outer bottom, and the outer diameter of lower tubular element be greater than through-hole aperture.

Upper connector is connect by way of welding or connecting screw with circuit board.

Specifically, as shown in figs. 9-10, several taper hole bodies are equipped in the outer rim of circuit board, are set in the upper end of upper connector There are connecting cylinder 15 and 15 t shape structure of connecting cylinder, the inner end outer diameter of connecting cylinder 15 is greater than the outer end outer diameter of connecting cylinder 15, even The outer end outer wall of connect cylinder 15 is equipped with several outer double wedges 151 being circularly and evenly distributed, and is equipped with position in the outer end outer wall of connecting cylinder 15 V-shaped groove 152 between two adjacent outer double wedges 151 is respectively equipped with inclined surface 153 in the outer end of each outer double wedge 151, often There are spacing two between the inner end end of a outer double wedge 151 and the inner end end face of connecting cylinder 15, screw is inserted in bellmouth 131 simultaneously It stretches to 15 inside of connecting cylinder and screw is threadedly coupled with connecting cylinder 15.

For the ease of heat dissipation, and safety in utilization is improved, the circuit board 2 of the present embodiment is fixed on connector 4 far from outer One end of bottom, circuit board is maked somebody a mere figurehead in shell 1, can form comprehensive heat dissipation, and is avoided making contact and led to circuit The damage of plate.

In order to improve waterproof performance, as shown in Figure 4-8, bottom is additionally provided with waterproof cover 5 and waterproof cover 5 in shell 1 Side be equipped with opening, open purpose is: convenient for the timely evacuation of internal heat.And circuit board 2 is placed in waterproof cover 5 and The side of circuit board 2 extends open outside, can in order to the connection and distribution of various conducting wires, meanwhile, be placed in waterproof cover 5 The inner wall of the circumferential side of circuit board 2 and waterproof cover 5 is there are gap one, it can be avoided contact in gap one, at the same time it can also improve Heat dissipation performance avoids heat and flows up and stopped by circuit board, secondly, gap together can to avoid due to waterproof cover by Extruding causes internal circuit board also to synchronize to be damaged.

It is equipped with several column display lamps 21 connecting and be used to show state vertical with circuit board 2, column on the circuit board 2 The function of display lamp 21 has alarm, warning, normal and prompt etc., does not do state one by one herein.

It is equipped with and several is inserted into one by one for the column display lamp 21 far from the side of bottom in shell 1 in waterproof cover 5 Location hole 52, the side inner wall of side outer wall of the waterproof cover 5 far from bottom in shell 1 and shell 1 far from bottom in it there are Away from spacing its efficiency and speed for can be further improved heat dissipation circulation can be further improved the safety in utilization of charging pile.

Several through holes 11 penetrated through with the location hole 52, column are equipped with far from the side of bottom in it in shell 1 Display lamp 21 is through location hole 52 and column display lamp 21 is extended to far from one end of circuit board 2 in the inner orifice of through hole 11 Side.It is equipped with arc convex far from one end of circuit board 2 in column display lamp 21, between arc convex and the inner orifice of through hole 11 There are space length, it can prevent shell from being squeezed by the external world and column display lamp 21 is caused to damage to space length, secondly, can To further increase heat dissipation performance.

In order to further increase leakproofness, there is U-shaped contact surface 53 in the close interior bottom side with shell 1 of waterproof cover 5, U-shaped sealing joint strip 54 is equipped between U-shaped contact surface 53 and the interior bottom of shell 1.

Secondly, as shown in figure 8, being equipped on flange on the outside of the U-shaped contact surface 53 of waterproof cover 5 equipped with flange The interior bottom thread of several fixed screws, fixed screw and shell connects.Meanwhile U-shaped sealing joint strip 54 can be located at flange Between the interior bottom of shell.

In addition, extending the side circumferential direction on the outside of opening in circuit board 2 and there are gaps two between opening.It is same in gap two It can be further improved heat dissipation performance.

As seen in figs. 7 and 11, bottom is equipped with zigzag shape bracket 6 in shell 1, and the notch of zigzag shape bracket 6 is towards far Side from bottom in shell 1 is equipped with the locating slot 31, In inserted in for the zigzag shape bracket 6 in the downside of air switch 3 The side cell wall of locating slot 31 is equipped with inwardly protruded interior protuberance 32, and is formed between interior protuberance 32 and the slot bottom of locating slot 31 Lateral lock groove 33, zigzag shape bracket 6 inserts in locating slot 31 and wherein a side of zigzag shape bracket 6 insert in it is described lateral In lock groove 33.

The width of rebate of locating slot 31 is greater than the slot bottom width of locating slot 31, and the elasticity expanded outwardly can be improved Can, it can be to avoid due to voluntarily causing zigzag shape bracket 6 and air switch mutually to loosen to contract.

In addition, the zigzag shape bracket 6 of the present embodiment is made of metallic plate punching；It is equipped at the middle part of zigzag shape bracket 6 Several waist-shaped holes 61 being arranged along 6 length direction of zigzag shape bracket are equipped with the interior bottom thread with shell 1 in waist-shaped hole 61 The screw of connection.

In addition, as shown in figure 4, being also provided with the sight positioned at 3 outside of air switch in the side that shell 1 is equipped with through hole 11 Hole 12 is examined, and by the closed closed plate 13 of peep hole 12, closed plate 13 is connect by several screws with shell 1, closed plate 13 Outer diameter be greater than peep hole 12 aperture, between closed plate 13 and the outer wall of shell 1 be equipped with annular sealing strip 14.

As shown in Fig. 4 and Fig. 9-10,

The closed plate 13 of the present embodiment is square plate, is respectively equipped with bellmouth 131, taper in the four corners of closed plate 13 The big inner diameter ends in hole 131 outwardly, the small inner diameter ends of bellmouth 131 set inwardly, in 1 outer wall of shell there are four connecting cylinder 15 and 15 t shape structure of connecting cylinder, the inner end outer diameter of connecting cylinder 15 is greater than the outer end outer diameter of connecting cylinder 15, in the outer end of connecting cylinder 15 Outer wall is equipped with several outer double wedges 151 being circularly and evenly distributed, and is equipped in the outer end outer wall of connecting cylinder 15 and is located at adjacent two V-shaped groove 152 between outer double wedge 151 is respectively equipped with inclined surface 153 in the outer end of each outer double wedge 151, each outer double wedge 151 Inner end end and connecting cylinder 15 inner end end face between there are spacing two, also opened up in the side that shell 1 is equipped with peep hole 12 There are several fixation holes 16 positioned at 12 periphery of peep hole, the outer end of connecting cylinder 15 inserts in the fixation hole 16 and outer double wedge 151 tip is resisted against on 16 hole wall of fixation hole, screw insert in bellmouth 131 and stretch to the inside of connecting cylinder 15 and screw with Connecting cylinder 15 is threadedly coupled.

It is additionally provided with deep gouge 17 in the side that shell 1 is equipped with fixation hole 16, the outer end of fixation hole 16 is connected to 17 slot bottom of deep gouge, Closed plate 13 is placed in deep gouge 17.

Several equally distributed fixed blocks 18 in interval are equipped in the interior bottom side of shell, and are arranged in every piece of fixed block On inverted U-shaped portion 19, fixed block passes through the fixed bottom inside the shell of connected nail.

Fixed block and inverted U-shaped portion 19 are integrally formed and are made of sheet metal.

Fixed block is fixed on the interior bottom of open side.

In addition, as shown in Figure 1, being equipped with recessed groove, and the clear plastic plate being arranged in recessed groove in the front of shell 10, through hole is connected to the recessed groove, and clear plastic plate closes the outer end of through hole.

As shown in figure 12, circuit board includes at least sampling unit, main control unit, storage unit, power supply unit, circuit control Unit, indicating unit, payment unit and communication unit, wherein said supply unit is used to provide power supply for the circuit board；Institute It states circuit control unit to turn it on or disconnect for controlling multiple charge circuits, each charge circuit is for independently executing one The charging of road battery truck；The sampling unit is obtained every road charge circuit charge parameter in real time and is sent by circuit control unit To main control unit；The storage unit is connected with main control unit, for the charging curve of corresponding battery truck to be stored in advance；It is described Communication unit is used to realize data interaction with cloud；The payment unit is used to obtain the payment information of user and by communication list Member is sent to cloud；The main control unit is used to instruct control charge circuit according to cloud, matching module is inside at least arranged, institute Matching module is stated for obtaining real time charging parameter and be uploaded to cloud, while judging whether and prestoring charging curve to match, If mismatched, the main control unit controls the indicating unit and issues indication signal and the cutting charging of control loop control unit Circuit；

In general, battery truck battery is all certain in the charging curve of different phase, therefore, once charging curve is not Matching, illustrates that battery is likely to occur failure, and in battery failures, charging is breakneck, it is possible to cause battery quick-fried It is fried, in turn result in immeasurable loss of personal property.The utility model is by detecting whether charge parameter matches, thus accurately Detect the state and performance of battery；And by indication signal remind user debug early, and cut off charge circuit to avoid Dangerous situation occurs.Meanwhile charge parameter is uploaded to cloud, big data calculating is carried out, beyond the clouds so as to accurately control charging Curve.

Sampling unit uses intelligent electric meter chip, for detecting the charge parameters such as voltage, electric current, power.Intelligent electric meter core Piece is commercially available product.

In a preferred embodiment, using 8 road charge circuits.

In a preferred embodiment, communication unit uses at least one of GPRS module, 3G, 4G or 5G module.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims

1. charging pile, including shell (1) and the circuit board (2) being fixed in shell (1), and the sky being electrically connected with circuit board (2) Air cock (3), which is characterized in that several and shell (1) connector connected vertically (4) are equipped in the interior bottom of shell (1), Circuit board (2) is fixed on the one end of connector (4) far from shell (1) interior bottom, is additionally provided with waterproof cover in shell (1) interior bottom (5) and the side of waterproof cover (5) is equipped with opening, and circuit board (2) is placed in waterproof cover (5) and the extension of the side of circuit board (2) is spacious On the outside of mouthful, there are gaps one for the inner wall of the circumferential side of the circuit board (2) being placed in waterproof cover (5) and waterproof cover (5), in circuit board (2) several column display lamps (21) connecting and be used to show state vertical with circuit board (2) are equipped with, it is remote in waterproof cover (5) Side from shell (1) interior bottom is equipped with several location holes (52) being inserted into one by one for the column display lamp (21), waterproof Covering the side inner wall of side outer wall and shell (1) far from its interior bottom of (5) far from shell (1) interior bottom, there are spacing, outside Shell (1) is equipped with several through holes (11) penetrated through with the location hole (52), column display lamp far from the side of its interior bottom (21) one end through location hole (52) and column display lamp (21) separate circuit board (2) extends to the inner orifice of through hole (11) Inside.

2. charging pile according to claim 1, which is characterized in that the close interior bottom with shell (1) of the waterproof cover (5) Portion side has U-shaped contact surface (53), and U-shaped sealing joint strip is equipped between U-shaped contact surface (53) and the interior bottom of shell (1) (54)。

3. charging pile according to claim 1, which is characterized in that circuit board (2) extend open outside side it is circumferential and There are gaps two between opening.

4. charging pile according to claim 1, which is characterized in that shell (1) the interior bottom is equipped with zigzag shape bracket (6), the notch of zigzag shape bracket (6) is directed away from the side of shell (1) interior bottom, is equipped with and supplies in the downside of air switch (3) The locating slot (31) that the zigzag shape bracket (6) inserts in is equipped in inwardly protruded on the side cell wall of locating slot (31) Protrusion (32), and lateral lock groove (33) are formed between interior protuberance (32) and the slot bottom of locating slot (31), zigzag shape bracket (6) is inserted In locating slot (31) and wherein a side of zigzag shape bracket (6) inserts in the lateral lock groove (33).

5. charging pile according to claim 4, which is characterized in that the zigzag shape bracket (6) is by metallic plate punching It is made；Several waist-shaped holes (61) being arranged along zigzag shape bracket (6) length direction are equipped at the middle part of zigzag shape bracket (6), The screw connecting with the interior bottom thread of shell (1) is equipped in waist-shaped hole (61).

6. charging pile according to claim 1, which is characterized in that the shell (1) is equipped with the side of through hole (11) It is also provided with the peep hole (12) being located on the outside of air switch (3), and by peep hole (12) closed closed plate (13), is closed Plate (13) is connect by several screws with shell (1), and the outer diameter of closed plate (13) is greater than the aperture of peep hole (12), in closed plate (13) annular sealing strip (14) are equipped between the outer wall of shell (1).

7. charging pile according to claim 6, which is characterized in that the closed plate (13) is square plate, in closed plate (13) four corners are respectively equipped with bellmouth (131), the big inner diameter ends of bellmouth (131) outwardly, bellmouth (131) it is small Inner diameter ends inwardly, are set in shell (1) outer wall there are four connecting cylinder (15) and connecting cylinder (15) t shape structure, connecting cylinder (15) inner end outer diameter is greater than the outer end outer diameter of connecting cylinder (15), is equipped in the outer end outer wall of connecting cylinder (15) several circumferentially equal The outer double wedge (151) of even distribution is equipped between two adjacent outer double wedges (151) in the outer end outer wall of connecting cylinder (15) V-shaped groove (152) is respectively equipped with inclined surface (153) in the outer end of each outer double wedge (151), the inner end end of each outer double wedge (151) There are spacing two between portion and the inner end end face of connecting cylinder (15), are also provided in the side that shell (1) is equipped with peep hole (12) Several fixation holes (16) positioned at peep hole (12) periphery, the outer end of connecting cylinder (15) insert in the fixation hole (16) and outer The tip of double wedge (151) is resisted against on fixation hole (16) hole wall, and screw inserts in bellmouth (131) and stretches to connecting cylinder (15) Internal and screw is threadedly coupled with connecting cylinder (15).

8. charging pile according to claim 7, which is characterized in that the shell (1) is equipped with the side of fixation hole (16) It is additionally provided with deep gouge (17), the outer end of fixation hole (16) is connected to deep gouge (17) slot bottom, and closed plate (13) is placed in deep gouge (17).

9. charging pile according to claim 1, which is characterized in that described shell (1) peripheral outer wall is equipped with and circuit board (2) the charging connection head connected.

10. charging pile according to claim 1, which is characterized in that the shell (1) includes bottom plate (1a) and cover (1b) has flange (1c) on the periphery of bottom plate (1a) to the same face fold, and cover (1b) is set on flange (1c), in flange It is connected between (1c) and cover (1b) by several connecting screws；

Notch (1d) is equipped in the front side of cover (1b)；

Hardy hole (1e) is respectively equipped in the four corners of bottom plate (1a).