阅读说明：本技术 一种带有锁止结构的新能源汽车防盗充电装置 (New energy automobile theftproof charging device with locking structure ) 是由 解本艳 于 2021-08-04 设计创作，主要内容包括：本发明公开了一种带有锁止结构的新能源汽车防盗充电装置,包括支撑机构、插头机构、保护机构、插座机构,所述支撑机构上安装有充电桩,所述充电桩上安装有插头机构,所述插头机构上套接有保护机构,所述插头机构上安装有插座机构,所述支撑机构包括底座、支撑腿、螺纹孔、螺纹杆、转盘、限位套和连接块,所述底座的上端焊接有四个均匀分布的支撑腿,每个所述支撑腿的内部通过螺纹连接有螺纹杆,所述螺纹杆的外部转动连接有连接块,本发明涉及一种带有锁止结构的新能源汽车防盗充电装置,具有锁止功能、保护充电插头和插座以及保护充电桩不被积水侵蚀底部的特点。(The invention discloses a new energy automobile anti-theft charging device with a locking structure, which comprises a supporting mechanism, a plug mechanism, a protection mechanism and a socket mechanism, the supporting mechanism is provided with a charging pile, the charging pile is provided with a plug mechanism, the plug mechanism is sleeved with a protection mechanism, the plug mechanism is provided with a socket mechanism, the supporting mechanism comprises a base, supporting legs, threaded holes, threaded rods, a rotary disc, a limiting sleeve and a connecting block, four supporting legs which are uniformly distributed are welded at the upper end of the base, a threaded rod is connected inside each supporting leg through a thread, the invention relates to a new energy automobile anti-theft charging device with a locking structure, which has the characteristics of locking function, protection of a charging plug and a charging socket and protection of a charging pile from being corroded at the bottom by accumulated water.)

1. The utility model provides a new energy automobile theftproof charging device with locking structure, includes supporting mechanism (1), plug mechanism (3), protection mechanism (4), socket mechanism (5), its characterized in that: the electric pile is characterized in that a charging pile (2) is installed on a supporting mechanism (1), a plug mechanism (3) is installed on the charging pile (2), a protection mechanism (4) is sleeved on the plug mechanism (3), a socket mechanism (5) is installed on the plug mechanism (3), the supporting mechanism (1) comprises a base (11), supporting legs (12), threaded holes (13), a threaded rod (14), a turntable (15), a limiting sleeve (16) and connecting blocks (17), four uniformly distributed supporting legs (12) are welded at the upper end of the base (11), a threaded rod (14) is connected inside each supporting leg (12) through threads, the connecting blocks (17) are rotatably connected to the outside of the threaded rod (14), the charging pile (2) is fixedly connected between the four connecting blocks (17) jointly, and the charging pile (2) is in contact with the supporting legs (12), the top fixedly connected with carousel (15) of threaded rod (14), carousel (15) and connecting block (17) contact, stop collar (16) have been cup jointed to the outside of threaded rod (14), the upper surface contact of stop collar (16) has connecting block (17), the lower surface contact of stop collar (16) has supporting leg (12).

2. The new energy automobile anti-theft charging device with the locking structure as claimed in claim 1, is characterized in that: each supporting leg (12) is provided with a threaded hole (13), and the inner side of each threaded hole (13) is connected with a threaded rod (14) through threads.

3. The new energy automobile anti-theft charging device with the locking structure as claimed in claim 1, is characterized in that: the plug mechanism (3) comprises a charging wire (31), a charging plug (32), contact pins (33), a positioning groove (34), a hinged seat (35), a pressing rod (36), a limiting block (37), a convex point (38), an inner cavity (39), a limiting ring (310), a sliding rod (311), a cushion block (312) and a first spring (313), the socket mechanism (5) comprises a storage battery (51), a charging socket (52), a jack (53) and a positioning block (54), the charging wire (31) is led out from the charging pile (2), one end, far away from the charging pile (2), of the charging wire (31) is fixedly connected with the charging plug (32), the charging plug (32) is fixedly connected with a plurality of uniformly distributed contact pins (33), the storage battery (51) is provided with the charging socket (52), and the charging socket (52) is connected to the inner side of the charging plug (32) in a sliding manner, be provided with a plurality of evenly distributed's jack (53) on charging socket (52), every the inboard sliding connection of jack (53) has contact pin (33), the outside fixedly connected with locating piece (54) of two symmetric distributions of charging socket (52), set up constant head tank (34) of two symmetric distributions on charging plug (32), the inboard sliding connection of constant head tank (34) has locating piece (54).

4. The new energy automobile anti-theft charging device with the locking structure as claimed in claim 3, wherein: the external fixed connection of charging plug (32) has two articulated seats (35) of symmetric distribution, every articulated seat (35) goes up to articulate has depression bar (36), one end fixedly connected with stopper (37) that depression bar (36) is close to battery (51), stopper (37) and locating piece (54) contact, the fixed surface of depression bar (36) is connected with a plurality of evenly distributed's bump (38), two inner chamber (39) of symmetric distribution are seted up to the inside of charging plug (32), every the inboard sliding connection of inner chamber (39) has spacing ring (310), fixedly connected with slide bar (311) on spacing ring (310), slide bar (311) run through charging plug (32) and with charging plug (32) sliding connection, the one end fixedly connected with cushion (312) of spacing ring (310) is kept away from to slide bar (311), the cushion block (312) is in contact with the pressure rod (36), and a first spring (313) is arranged on the inner side of the inner cavity (39).

5. The new energy automobile anti-theft charging device with the locking structure according to claim 4, characterized in that: one end of the first spring (313) is fixedly connected with a limiting ring (310), and the other end of the first spring (313) is fixedly connected with the inner surface of the inner cavity (39).

6. The new energy automobile anti-theft charging device with the locking structure as claimed in claim 3, wherein: the protection mechanism (4) comprises a sleeve (40), a sliding groove (41), an arc chamfer (42), an elastic block (43), an extrusion head (44), a movable groove (45), a second spring (46), a sliding pin (47) and a protective shell (48), the sleeve (40) is sleeved on the outer portion of the charging wire (31) in a sliding mode, the protective shell (48) is fixedly connected to the outer portion of the sleeve (40), the protective shell (48) is located on the outer side of the charging plug (32), a sealing ring (6) is bonded to the protective shell (48), the sealing ring (6) is in contact with a storage battery (51), two elastic blocks (43) which are symmetrically distributed are fixedly connected to the outer portion of one end, away from the protective shell (48), of the sleeve (40), the extrusion head (44) is fixedly connected to the elastic blocks (43), and the two movable grooves (45) which are symmetrically distributed are formed in the surface of the charging wire (31), the inner side of each movable groove (45) is fixedly connected with a second spring (46), the inner side of each movable groove (45) is connected with a sliding pin (47) in a sliding mode, one end of each sliding pin (47) is in contact with an extrusion head (44), and the other end of each sliding pin (47) is fixedly connected onto the second spring (46).

7. The new energy automobile anti-theft charging device with the locking structure according to claim 6, characterized in that: the inside of sleeve pipe (40) is provided with spout (41), the inboard sliding connection of spout (41) has charging wire (31), the tip of spout (41) is provided with circular arc chamfer (42), sleeve pipe (40) and sliding pin (47) contact.

8. The new energy automobile anti-theft charging device with the locking structure as claimed in claim 3, wherein: charging wire (31) are gone up fixedly connected with spacing collar (7), spacing collar (7) and charging plug (32) fixed connection, the one end contact of spacing collar (7) has sleeve pipe (40) and protective housing (48).

Technical Field

The invention belongs to the technical field of new energy automobile charging devices, and particularly relates to a new energy automobile anti-theft charging device with a locking structure.

Background

With the development of new energy vehicles, charging devices for new energy vehicles have also become popular, and their functions are not continuously improved, such as anti-theft function, but the current anti-theft charging devices still have some problems: 1. the charging plug is easy to be accidentally torn off from a charging socket of a vehicle during charging, so that the charging is terminated; 2. the charging plug and the charging socket are exposed outside and are easily affected by water vapor and dust, so that the final charging quality is reduced; 3. if fill the position at electric pile place and lead to having the pile up of rainwater because of raining, can corrode the bottom of filling electric pile. Therefore, a new energy automobile anti-theft charging device with a locking structure needs to be designed.

The invention content is as follows:

the invention aims to solve the problems in the prior art and provide a new energy automobile anti-theft charging device with a locking structure, so that the problems in the prior art are solved.

In order to solve the above problems, the present invention provides a technical solution:

the new energy automobile anti-theft charging device with the locking structure comprises a supporting mechanism, a plug mechanism, a protection mechanism and a socket mechanism, wherein a charging pile is installed on the supporting mechanism, the plug mechanism is installed on the charging pile, the protection mechanism is sleeved on the plug mechanism, the socket mechanism is installed on the plug mechanism, the supporting mechanism comprises a base, supporting legs, threaded holes, threaded rods, a rotary disc, a limiting sleeve and connecting blocks, four uniformly distributed supporting legs are welded at the upper end of the base, each supporting leg is internally connected with the threaded rod through the threads, the outer part of the threaded rod is rotatably connected with the connecting blocks, the charging pile is fixedly connected between the four connecting blocks together, the charging pile is in contact with the supporting legs, the rotary disc is fixedly connected to the top of the threaded rod, the rotary disc is in contact with the connecting blocks, the limiting sleeve is sleeved on the outer part of the threaded rod, the upper surface contact of stop collar has the connecting block, the lower surface contact of stop collar has the supporting leg.

Preferably, each supporting leg is provided with a threaded hole, and the inner side of each threaded hole is connected with a threaded rod through threads.

Preferably, the plug mechanism comprises a charging wire, a charging plug, a contact pin, a positioning groove, a hinged seat, a pressure lever, a limiting block, a convex point, an inner cavity, a limiting ring, a sliding rod, a cushion block and a first spring, the socket mechanism comprises a storage battery, a charging socket, jacks and positioning blocks, the charging wire is led out from the charging pile, one end of the charging wire, far away from the charging pile, is fixedly connected with the charging plug, the charging plug is fixedly connected with a plurality of uniformly distributed contact pins, the storage battery is provided with the charging socket, the charging socket is slidably connected to the inner side of the charging plug, the charging socket is provided with a plurality of uniformly distributed jacks, the inner side of each jack is slidably connected with the contact pin, the outer part of the charging socket is fixedly connected with two symmetrically distributed positioning blocks, and the charging plug is provided with two symmetrically distributed positioning grooves, the inner side of the positioning groove is connected with a positioning block in a sliding manner.

As preferred, two symmetric distribution's of charging plug's outside fixedly connected with articulated seat, every articulated have the depression bar on the articulated seat, the one end fixedly connected with stopper that the depression bar is close to the battery, stopper and locating piece contact, the fixed surface of depression bar is connected with a plurality of evenly distributed's bump, two symmetric distribution's inner chamber is seted up to charging plug's inside, every the inboard sliding connection of inner chamber has the spacing ring, fixedly connected with slide bar on the spacing ring, the slide bar run through charging plug and with charging plug sliding connection, the one end fixedly connected with cushion of spacing ring is kept away from to the slide bar, cushion and depression bar contact, the inboard of inner chamber is provided with first spring.

Preferably, one end of the first spring is fixedly connected with a limiting ring, and the other end of the first spring is fixedly connected with the inner surface of the inner cavity.

As preferred, protection mechanism includes sleeve pipe, spout, circular arc chamfer, elastic block, extrusion head, activity groove, second spring, sliding pin, protective housing, the sleeve pipe has been cup jointed in the outside slip of charging wire, sheathed tube outside fixedly connected with protective housing, the protective housing is located charging plug's the outside, it has the sealing washer to bond on the protective housing, sealing washer and battery contact, the sleeve pipe is kept away from the elastic block of two symmetric distributions of the outside fixedly connected with of one end of protective housing, fixedly connected with extrusion head on the elastic block, two symmetric distribution's activity groove, every are seted up on the charging wire surface the inboard fixedly connected with second spring of activity groove, the inboard sliding connection in activity groove has the sliding pin, the one end contact of sliding pin has the extrusion head, the other end fixed connection of sliding pin is on the second spring.

Preferably, the inside of sleeve pipe is provided with the spout, the inboard sliding connection of spout has the charging wire, the tip of spout is provided with circular arc chamfer, the sleeve pipe contacts with the sliding pin.

Preferably, the charging wire is fixedly connected with a limiting ring, the limiting ring is fixedly connected with the charging plug, and one end of the limiting ring is in contact with the sleeve and the protective shell.

The invention has the beneficial effects that: the invention relates to a new energy automobile anti-theft charging device with a locking structure, which has the characteristics of locking function, protecting a charging plug and a charging socket and protecting a charging pile from being corroded by accumulated water at the bottom, and has the following three beneficial effects in specific use compared with the prior art:

firstly, a plug mechanism is arranged on a charging line, the plug mechanism is matched with a socket mechanism arranged on a storage battery to charge a vehicle, and on the basis, a hinged seat, a pressure rod, a limiting block, a salient point, an inner cavity, a limiting ring, a sliding rod, a cushion block, a first spring and other parts are additionally arranged on the plug mechanism and are matched with a designed positioning block on the socket mechanism, so that the socket mechanism and the plug mechanism have a locking function in the charging process, and the charging termination caused by accidental tearing of the plug mechanism from the socket mechanism during the charging of the vehicle is effectively prevented;

secondly, a protection structure consisting of a sleeve, a sliding groove, an arc chamfer, an elastic block, an extrusion head, a movable groove, a second spring, a sliding pin and a protection shell is designed on the basis of the charging plug structure, wherein a sealing ring is also designed on the protection shell of the protection mechanism, and the protection mechanism and the sealing ring are matched with the movable groove, the second spring, the sliding pin and other components on the plug mechanism, so that the influence of water vapor and dust on the plug mechanism and the socket mechanism can be effectively prevented when a vehicle is charged, and the charging quality is ensured;

finally, through the supporting mechanism who comprises base, supporting leg, screw hole, threaded rod, carousel, stop collar and connecting block in the bottom design of filling electric pile, through the screw-thread fit of threaded rod and supporting leg, can lift certain height with filling electric pile, the effectual erosion to filling the electric pile bottom that prevents when there is water on ground.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 3 according to the present invention;

fig. 6 is a schematic view of the plug mechanism of fig. 1 of the present invention.

In the figure: 1. a support mechanism; 11. a base; 12. supporting legs; 13. a threaded hole; 14. a threaded rod; 15. a turntable; 16. a limiting sleeve; 17. connecting blocks; 2. charging piles; 3. a plug mechanism; 31. a charging wire; 32. a charging plug; 33. inserting a pin; 34. positioning a groove; 35. a hinged seat; 36. a pressure lever; 37. a limiting block; 38. salient points; 39. an inner cavity; 310. a limiting ring; 311. a slide bar; 312. cushion blocks; 313. a first spring; 4. a protection mechanism; 40. a sleeve; 41. a chute; 42. chamfering with an arc; 43. an elastic block; 44. an extrusion head; 45. a movable groove; 46. a second spring; 47. a slide pin; 48. a protective shell; 5. a socket mechanism; 51. a storage battery; 52. a charging socket; 53. a jack; 54. positioning blocks; 6. a seal ring; 7. a limiting ring.

The specific implementation mode is as follows:

as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:

example (b):

the new energy automobile anti-theft charging device with the locking structure comprises a supporting mechanism 1, a plug mechanism 3, a protection mechanism 4 and a socket mechanism 5, wherein a charging pile 2 is installed on the supporting mechanism 1, the plug mechanism 3 is installed on the charging pile 2, the protection mechanism 4 is sleeved on the plug mechanism 3, the socket mechanism 5 is installed on the plug mechanism 3, the supporting mechanism 1 comprises a base 11, supporting legs 12, threaded holes 13, threaded rods 14, a rotary table 15, a limiting sleeve 16 and connecting blocks 17, the upper end of the base 11 is welded with four uniformly distributed supporting legs 12, the inner part of each supporting leg 12 is connected with the threaded rod 14 through threads, the outer part of each threaded rod 14 is rotatably connected with the connecting block 17, the four charging pile connecting blocks 17 are fixedly connected with one another with one 2, and the charging piles 2 are in contact with the supporting legs 12, the top fixedly connected with carousel 15 of threaded rod 14, carousel 15 and connecting block 17 contact, stop collar 16 has been cup jointed to the outside of threaded rod 14, the upper surface contact of stop collar 16 has connecting block 17, the lower surface contact of stop collar 16 has supporting leg 12. The design of the stop sleeve 16 has a stop function on the threaded rod 14.

Each supporting leg 12 is provided with a threaded hole 13, and the inner side of each threaded hole 13 is connected with a threaded rod 14 through threads. The threaded rod 14 is convenient to perform threaded motion inside the supporting leg 12 through the design of the threaded hole 13.

Wherein, the plug mechanism 3 comprises a charging wire 31, a charging plug 32, a contact pin 33, a positioning groove 34, a hinged seat 35, a pressure lever 36, a limiting block 37, a salient point 38, an inner cavity 39, a limiting ring 310, a sliding rod 311, a cushion block 312 and a first spring 313, the socket mechanism 5 comprises a storage battery 51, a charging socket 52, a jack 53 and a positioning block 54, the charging wire 31 is led out from the charging pile 2, one end of the charging wire 31 far away from the charging pile 2 is fixedly connected with the charging plug 32, the charging plug 32 is fixedly connected with a plurality of uniformly distributed contact pins 33, the storage battery 51 is provided with the charging socket 52, the charging socket 52 is slidably connected to the inner side of the charging plug 32, the charging socket 52 is provided with a plurality of uniformly distributed jacks 53, each inner side of the jack 53 is slidably connected with the contact pin 33, the outer part of the charging socket 52 is fixedly connected with two positioning blocks 54 which are symmetrically distributed, two positioning grooves 34 which are symmetrically distributed are formed in the charging plug 32, and a positioning block 54 is connected to the inner sides of the positioning grooves 34 in a sliding mode. The positioning slot 34 is designed to facilitate the positioning block 54 to enter the charging plug 32.

Wherein, two symmetric distributions's of outside fixedly connected with articulated seat 35 of charging plug 32, every articulated have depression bar 36 on the articulated seat 35, depression bar 36 is close to battery 51's one end fixedly connected with stopper 37, stopper 37 and locating piece 54 contact, the surperficial fixedly connected with a plurality of evenly distributed's bump 38 of depression bar 36, two symmetric distributions's inner chamber 39, every are seted up to charging plug 32's inside the inboard sliding connection of inner chamber 39 has spacing ring 310, fixedly connected with slide bar 311 on the spacing ring 310, slide bar 311 runs through charging plug 32 and with charging plug 32 sliding connection, the one end fixedly connected with cushion 312 of spacing ring 310 is kept away from to slide bar 311, cushion 312 and the contact of depression bar 36, the inboard of inner chamber 39 is provided with first spring 313. The design of the convex points 38 can increase the friction force between the pressure rod 36 and the palm.

One end of the first spring 313 is fixedly connected with a limiting ring 310, and the other end of the first spring 313 is fixedly connected with the inner surface of the inner cavity 39. Through the design of the first spring 313, the sliding rod 311 has an auxiliary reset function.

Wherein, the protection mechanism 4 comprises a sleeve 40, a chute 41, an arc chamfer 42, an elastic block 43, an extrusion head 44, a movable groove 45, a second spring 46, a sliding pin 47 and a protective shell 48, the sleeve 40 is sleeved outside the charging wire 31 in a sliding manner, the protective shell 48 is fixedly connected to the outside of the sleeve 40, the protective shell 48 is positioned outside the charging plug 32, a sealing ring 6 is bonded on the protective shell 48, the sealing ring 6 is in contact with a storage battery 51, two elastic blocks 43 which are symmetrically distributed are fixedly connected to the outside of one end of the sleeve 40 far away from the protective shell 48, the extrusion head 44 is fixedly connected to the elastic blocks 43, two movable grooves 45 which are symmetrically distributed are arranged on the surface of the charging wire 31, the second spring 46 is fixedly connected to the inner side of each movable groove 45, and the sliding pin 47 is connected to the inner side of each movable groove 45 in a sliding manner, one end of the slide pin 47 contacts the pressing head 44, and the other end of the slide pin 47 is fixedly connected to the second spring 46. The contact between the protective shell 48 and the battery 51 is sealed by the design of the sealing ring 6.

Wherein, the inside of sleeve 40 is provided with spout 41, the inboard sliding connection of spout 41 has charging wire 31, the tip of spout 41 is provided with circular arc chamfer 42, sleeve 40 and sliding pin 47 contact. The slide pin 47 is easier to enter the slide groove 41 due to the design of the circular arc chamfer 42.

Wherein, fixedly connected with spacing collar 7 on the charging wire 31, spacing collar 7 and charging plug 32 fixed connection, the one end contact of spacing collar 7 has sleeve pipe 40 and protective housing 48. The sleeve 40 is limited by the design of the limiting ring 7.

The using state of the invention is as follows: when the charging device is used, a vehicle is parked beside the charging pile 2, then the cover on the charging part of the vehicle is opened, then the charging wire 31 on the charging pile 2 is taken out, in an initial state, the protective shell 48 is positioned at the right side of the sliding pin 47, then the two pressing rods 36 are held by hands, due to the hinged seat 35, one end of the pressing rod 36 which is held by the hand is close to the charging plug 32, the other end of the pressing rod 36 and the limiting block 37 on the other end are lifted towards the direction far away from the charging plug 32, at the moment, the pressing rod 36 is pressed by one end which is held by the hand to move the cushion block 312, the cushion block 312 drives the sliding rod 311 to slide in the charging plug 32 and drives the limiting ring 310 to slide in the inner cavity 39 to compress the first spring 313, then the charging plug 32 on the charging wire 31 is inserted on the charging socket 52, and the positioning groove 34 on the charging plug 32 is matched with the positioning block 54 on the charging socket 52, at this time, the contact pin 33 on the charging plug 32 is inserted into the jack 53 on the charging socket 52, then the palm is loosened from the pressing rod 36, at this time, the first spring 313 is reset to drive the limiting ring 310 to reset, the limiting ring 310 drives the sliding rod 311 to reset, the sliding rod 311 drives the cushion block 312 to reset, the cushion block 312 drives the pressing rod 36 to reset, and the limiting block 37 on the pressing rod 36 is contacted with the positioning block 54, so that the limitation between the charging plug 32 and the charging socket 52 is completed, a locking structure is provided during charging, and the charging termination caused by accidental tearing of the plug mechanism 3 from the socket mechanism 5 during vehicle charging is effectively prevented;

then the palm holds the protective shell 48 in the protection mechanism 4, the protective shell 48 is moved towards the direction of the storage battery 51, at this time, the protective shell 48 drives the sleeve 40 to slide on the charging wire 31, when the arc chamfer 42 on the sliding groove 41 of the sleeve 40 contacts the sliding pin 47 on the charging wire 31, the sliding pin 47 is pressed to slide towards the movable groove 45 and compress the second spring 46, along with the continuous movement of the sleeve 40, the sliding pin 47 enters the inner side of the sleeve 40 and contacts with the inner surface of the sliding groove 41, when the sealing ring 6 on the protective shell 48 contacts with the storage battery 51, the inner surface of the protective shell 48 and the sleeve 40 both contact with the limiting ring 7 on the charging wire 31, and the sliding pin 47 slides out from the sleeve 40, at this time, the second spring 46 is reset, so that the sliding pin 47 pops out from the movable groove 45 and contacts with the pressing head 44 on the elastic block 43, the sliding pin 47 finishes limiting the sleeve 40, at this time, the protective shell 48 seals the connection between the charging plug 32 and the charging socket 52, so that the influence of water vapor and dust on the plug mechanism 3 and the socket mechanism 5 can be effectively prevented when the vehicle is charged, and the charging quality is ensured;

after charging is completed, the sliding pin 47 is only required to be shifted towards the direction close to the charging wire 31, and then the protective shell 48 is held to move towards the direction far away from the storage battery 51, so that the sliding pin 47 enters the sleeve 40 again, and the protective shell 48 can be separated from the charging plug 32, which is very convenient;

if fill the position at electric pile 2 place and lead to piling up of rainwater because of raining, only need rotate simultaneously carousel 15 among the supporting mechanism 1, carousel 15 drives threaded rod 14 and rotates, threaded rod 14 produces ascending displacement through the screw motion with the screw hole 13 of supporting leg 12, threaded rod 14 drives stop collar 16 and upwards removes this moment, stop collar 16 drives connecting block 17 rebound, connecting block 17 then can lift electric pile 2 and keep away from ponding, effectual ground of preventing has the erosion to filling electric pile 2 bottoms when water.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.