CN114248650A

CN114248650A - Electric pile that fills of rifle head is receive and release to high-efficient laborsaving

Info

Publication number: CN114248650A
Application number: CN202210063896.2A
Authority: CN
Inventors: 李雪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-03-29

Abstract

The invention relates to a charging pile capable of efficiently and labor-saving retracting and releasing a gun head, which comprises a pile body, a wire harness and a guide piece, wherein the pile body is provided with a pile body; one end of the wire harness is electrically connected with the pile body, and the other end of the wire harness is provided with a charging gun; the guide piece comprises a support, a track and a clamping assembly; the rail is arranged along the side edge of the parking place corresponding to the pile body; the support is connected and arranged below the track to suspend the track; the clamping assembly is in sliding fit with the track; one end of the wire harness close to the charging gun is connected with the clamping assembly; when the charging gun is pulled, the wire harness drives the clamping assembly to synchronously move along the track; cooperate the pencil through hoist and mount formula guide rail and realize moving along with the low resistance of rifle head that charges, greatly promoted the operating efficiency of plug-in draw rifle, be favorable to promoting and fill electric pile rate of utilization.

Description

Electric pile that fills of rifle head is receive and release to high-efficient laborsaving

Technical Field

The invention relates to the technical field of charging piles, in particular to a charging pile capable of efficiently and labor-saving retracting and releasing a gun head.

Background

Development of the new energy automobile field in China is emerging, various service facilities matched with the new energy automobile field continuously bear pressure under the background that the quantity of vehicles is greatly increased, and the charging pile is taken as a core facility for the first time. Based on the new electric pile speed of filling of construction can't improve in short-term, promote the availability factor that has filled electric pile now and become another breach. On filling electric pile, especially public quick charge stake, cable, pencil often have chooseed the very big size of diameter for compatible peak charging speed, this must bring inconvenience and hidden danger in operation and use: the bending resistance of the charging harness is large; the gun lifting load is large, and the lean-care pillow is not friendly to the weak people; the driver is easily tripped by the lack of a proper arrangement structure of the charging wire bundles; partial charging pile's surrounding illumination is unsatisfactory, causes the driver to promote with pile body collision probability when backing a car. It is an urgent matter to improve these design drawbacks of the existing charging pile.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides the charging pile capable of efficiently and labor-saving retracting and releasing the gun head, which is convenient to operate and stable and safe to work.

The technical scheme for solving the technical problems is as follows: a charging pile capable of efficiently and labor-saving retracting and releasing a gun head comprises a pile body, a wire harness and a guide piece; one end of the wire harness is electrically connected with the pile body, and the other end of the wire harness is provided with a charging gun; the guide piece comprises a support, a track and a clamping assembly; the rail is arranged along the side edge of the parking place corresponding to the pile body; the support is connected and arranged below the track to suspend the track; the clamping assembly is in sliding fit with the rail; one end, close to the charging gun, of the wire harness is connected with the clamping assembly; when the charging gun is pulled, the wire harness drives the clamping assembly to synchronously move along the track.

Preferably, the efficient labor-saving gun head retracting charging pile comprises a platform, a pulley and a clamp; the pulley is arranged on the top of the platform; the pulley is matched and pressed above the guide rail; the clamp connection is arranged at the bottom of the platform; the clamp is correspondingly matched with the wire harness, and the wire harness is hung and hoisted below the guide rail in a suspension manner.

Preferably, the clamp comprises a pair of clamping arms which are hinged and connected with each other; the wire harness is clamped and arranged between the paired clamping arms; the clamp hoop further comprises an elastic clamping strip; the clamping arm is of an arc-shaped plate structure; the inner side surface of the clamping arm is provided with a sliding groove along the length direction of the clamping arm; both ends of the elastic clamping strip are matched with the sliding grooves; a top bracing screw is also inserted and arranged on the clamp; the tail end of the top bracing screw penetrates through the clamping arm and is connected with the center of the elastic clamping strip.

Preferably, the guide part of the charging pile for efficiently and labor-saving retracting and releasing the gun head further comprises a restraint frame; the restraint frame comprises a fixing plate and a conveying roller; the fixed plates are arranged below the track in parallel at intervals; the fixing plate is connected with the support; the conveying rollers are arranged between the pair of fixing plates in a matched mode; the conveying rollers are arranged at intervals along the length direction of the fixing plate; when the charging gun is pulled, the elongated harness falls under gravity on top of the restraint frame.

Preferably, the charging pile capable of efficiently and labor-saving retracting and releasing the gun head further comprises a bin box; the bin box is arranged between the pile body and the corresponding end of the parking space; the side surface of the bin box is provided with a wire inlet and a wire outlet; the wire harness sequentially penetrates through the wire inlet and the wire outlet and then is matched with the guide piece; the wire harness is fixedly clamped at the wire inlet; the wire harness is freely stretched at the wire outlet; an elastic hook rope is also arranged in the bin box; the elastic hook cable runs between the wire inlet and the wire outlet in a reciprocating mode; the hook of the elastic hook rope is buckled on the wire harness, and the wire harness is pulled to keep a tight state in the bin box.

Preferably, the distance indicating rod is vertically arranged at the top of the bin box; the bottom of the distance indicating rod is elastically hinged with the bin box; the ground clearance of the top of the distance rod is 1-1.5 m; a plurality of show apart from pole along parking stall width direction interval distribution.

Preferably, the charging pile capable of efficiently retracting and releasing the gun head in a labor-saving manner is characterized in that a warning strip is arranged on the surface of the wire harness; the warning strip comprises an adhesive tape, a lamp bead tape and a coating layer; the adhesive tape is spirally wound on the wire harness; the lamp bead belts are distributed along the length direction of the adhesive tape; a low-voltage power supply port is formed in the pile body; one end of the lamp bead belt close to the pile body is electrically connected with the low-voltage power supply port; the coating layer covers the periphery of the lamp bead belt; the coating layer is made of rubber; the surface of the coating layer is provided with anti-skid lines along the width direction of the coating layer; and the plurality of anti-slip threads are distributed at intervals along the length direction of the coating layer.

Preferably, the adhesive tape comprises an initial adhesive layer, a pressing layer and an isolating layer which are mutually attached; the pressing layer is clamped between the initial adhesion layer and the isolation layer; the pressing layer is made of elastic materials; the surface of one side of the pressing layer facing the primary adhesive layer is convexly provided with an adhesive block; hole sites are arranged on the primary adhesive layer; the sticky block is embedded into the hole; the thickness of the initial adhesion layer is larger than that of the adhesion block in a natural state.

Preferably, the charging pile capable of efficiently retracting and releasing the gun head in the labor-saving manner is characterized in that the pressing layer is inwards provided with a liquid replenishing groove from the edge; the liquid supplementing groove extends to the edge position of the sticky block; the sticky block is made of porous foaming material.

The invention has the beneficial effects that: (1) according to the charging pile capable of efficiently and labor-saving retracting and releasing the gun head, the hoisting type guide rail is matched with the wire harness to realize low-resistance movement along with the charging gun head, so that the operation efficiency of inserting and pulling the gun is greatly improved, and the utilization rate of the charging pile is favorably improved; (2) according to the charging pile capable of efficiently and labor-saving retracting and releasing the gun head, the wiring harness is accommodated in real time through the elastic hook cable of the bin box, the problem that cables are wound in a field in a mess is solved, and the safety of an operator in walking is improved; (3) according to the charging pile capable of efficiently and labor-saving retracting and releasing the gun head, the luminous warning strips are arranged on the surfaces of the wire bundles, so that the use safety of a charging pile facility is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a charging pile capable of efficiently and labor-saving retracting and releasing a gun head;

FIG. 2 is a schematic drawing of retracting and releasing a charging pile gun head for retracting and releasing the gun head efficiently and laborsavingly;

FIG. 3 is a detail view of a portion of the guide;

FIG. 4 is a schematic view of a clamp;

FIG. 5 is a schematic view of a magazine structure;

FIG. 6 is a schematic view of the principle of winding and unwinding the wiring harness inside the magazine;

FIG. 7 is a schematic cross-sectional view of a warning strip;

fig. 8 is a schematic view of a specific structure of the warning strip.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the pile body, 2, a wire harness, 3, a guide piece, 31, a support, 32, a track, 33, a clamping component, 331, a platform, 332, a pulley, 333, a hoop, 34, a restraint frame, 301, a clamping arm, 302, an elastic clamping strip, 303, a sliding groove, 304, a jacking screw, 4, a charging gun, 5, a bin box, 51, a wire inlet, 52, a wire outlet, 53, a hook cable, 54, a distance rod, 6, a warning strip, 61, a sticky tape, 62, a lamp bead tape, 63, a coating layer, 601, an initial adhesion layer, 602, a pressing layer, 603, an isolation layer, 604, a sticky block, 605, a hole site, 606 and a liquid supplementing groove.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1-3, a charging pile capable of efficiently retracting and releasing a gun head in a labor-saving manner comprises a pile body 1, a wire harness 2 and a guide part 3; one end of the wire harness 2 is electrically connected with the pile body 1, and the other end of the wire harness is provided with a charging gun 4; the guide 3 comprises a support 31, a rail 32 and a clamping assembly 33; the track 32 is arranged along the side edge of the parking space corresponding to the pile body 1; the support 31 is connected and arranged below the track 32 and suspends the track 32; the clamping assembly 33 is in sliding engagement with the track 32; one end of the wire harness 2 close to the charging gun 4 is connected with the clamping component 33; when the charging gun 4 is pulled, the wire harness 2 carries the clamping assembly 33 to move synchronously along the rail 32.

Fig. 1 shows a top view of the charging post and the associated parking space 9; it can be seen from the figure that when a driver takes off the charging gun 4 from the pile body 1, the corresponding end of the wire harness 2 can slide synchronously along with the charging gun 4 by means of the matching of the clamping component 33 and the track 32, so that the resistance of the gravity of the wire harness 2 to dragging and stretching the wire harness is greatly reduced, the position of the charging gun and the corresponding wire harness can be easily adjusted by the driver with a thin and weak body, and the gun inserting and pulling actions are quicker. In addition, the position one end of arranging position of track 32 corresponds with the position of pile 1, and the other end then sets up along length direction one side of parking stall to can let charging gun 4 can freely move to a plurality of positions such as the car side of stopping the vehicle, locomotive, the charging mouth position of the different motorcycle types of adaptation.

As shown in fig. 2-4, the clamping assembly 33 includes a platform 331, a pulley 332, and a clamp 333; the pulley 332 is disposed on the top of the platform 331; the pulley 332 is matched and pressed above the guide rail 32; the clamp 333 is connected and arranged at the bottom of the platform 331; the clamp 333 is correspondingly matched with the wiring harness 2, and the wiring harness 2 is hung and hung below the guide rail 32 in a suspension manner.

The clamping assembly 33 can solve the following problems in a form of hoisting fit: a. dangerous combustion objects such as garbage, cigarette ends and the like easily exist in the field, and the probability of being interfered by ground sundries can be reduced by lifting the wire harness away from the ground; b. the hoisting form avoids the wire harness from rubbing with the guide rail after naturally drooping, and improves the durability of the cable protective layer. Meanwhile, the structure of the clamp 333 can utilize the characteristic that the clamping opening degree of the clamp is adjustable, and different models with different thicknesses are matched to charge the electric pile, so that the modification difficulty of the existing charging pile is greatly reduced, and the device adaptability is higher.

The clamp 333 comprises a pair of clamping arms 301 which are hinged; the wire harness 2 is sandwiched and arranged between the pair of clamping arms 301; the clamp 333 further comprises an elastic clamping strip 302; the clamping arm 301 is of an arc-shaped plate structure; the inner side surface of the clamping arm 301 is provided with a sliding groove 303 along the length direction; both ends of the elastic clamping strip 302 are matched with the sliding grooves 303; a top bracing screw 304 is also inserted into the clamp 333; the tail end of the top bracing screw 304 passes through the clamping arm 301 and is connected with the center of the elastic clamping strip 302.

The specific structure of the clamp 333 is depicted with emphasis in fig. 4. In the figure, it can be seen that a pair of clamping arms 301 can be matched in an elastic hinged manner, on the basis, the elastic clamping strip 302 can be screwed in and out by a top bracing screw to change the gap between the elastic clamping strip 302 and the inner side of the clamping arm 301, so that the adaptation to different actual clamping diameters is realized, and when the bending radian of the elastic clamping strip 302 changes, the two ends of the elastic clamping strip are kept connected with the inner sides of the clamping arms by virtue of the matching with the sliding grooves 303.

As shown in fig. 2 and 3, the guide 3 further comprises a constraint frame 34; the constraining frame 34 includes a fixing plate 341 and a transfer roller 342; the fixing plates 341 are arranged below the rails 32 in parallel at intervals; the fixing plate 341 is connected to the support 31; the transfer roller 342 is fitted between the pair of fixing plates 341; the conveying rollers 342 are arranged at intervals along the length direction of the fixing plate 341; when the charging gun 4 is pulled, the elongated wire harness 2 falls on the top of the restraint frame 34 by gravity.

The restraint frame 34 is designed for the wiring harness and is used for preventing the floor from being dragged to bear against the ground, as shown in fig. 2, the restraint frame 34 is synchronously arranged below the track 32 and extends to the position, away from one end of the pile body, of the track, so that the charging gun can ensure that the wiring harness 2 is not dragged to the ground no matter how far the charging gun is pulled out, and the safety and the durability of the charging gun are ensured.

As shown in fig. 1, 5 and 6, further comprises a cartridge 5; the bin box 5 is arranged between the pile body 1 and the corresponding end of the parking space; a wire inlet 51 and a wire outlet 52 are formed in the side surface of the bin box 5; the wire harness 2 sequentially passes through the wire inlet 51 and the wire outlet 52 and then is matched with the guide part 3; the wire harness 2 is fixedly embedded at the wire inlet 52; the wire harness 2 is freely telescopic at the outlet 52; an elastic hook rope 53 is also arranged in the bin box 5; the elastic hook rope 53 reciprocates between the wire inlet 51 and the wire outlet 52; the hook of the elastic hook rope 53 is buckled on the wiring harness 2, and the wiring harness 2 is pulled to keep a tight state in the bin 5.

Through the effect of accomodating of storehouse box 5, can fundamentally improve the problem that current charging cable twists everywhere and puts, possess certain elastic tension's hook cable structure and provide the tension for pencil 2 to let unnecessary length regularly establish in the inside of storehouse box 5 in the U-shaped dish, provide good protection to the pencil middle part.

The top of the bin 5 is vertically provided with a distance indicating rod 54; the bottom of the distance indicating rod 54 is elastically hinged with the bin 5; the ground clearance height of the top of the distance rod 54 is 1-1.5 m; a plurality of the distance indicating rods 54 are distributed at intervals along the width direction of the parking space.

A plurality of public charging piles are arranged at the corners of an open parking lot lacking illumination or the corners of a gas station, and B-level vehicles with larger distances from parking places to rear wheels, especially the vehicles lacking a back-up image, are easy to collide with a pile body due to poor distance control during back-up; the bin box 5 is arranged between the pile body and the parking space, so that the bin box plays a role of preventing a stop block, and meanwhile, the distance display rod 54 at the top of the bin box is high enough to enable a driver to directly observe the distance display rod in a rearview mirror, so that the collision probability caused by careless backing of the driver is remarkably reduced.

As shown in fig. 7 and 8, a surface of the wire harness 2 is provided with a warning strip 6; the warning strip 6 comprises an adhesive tape 61, a lamp bead tape 62 and a coating layer 63; the adhesive tape 61 is spirally wound on the wire harness 2; the lamp bead tapes 62 are distributed along the length direction of the adhesive tape 61; a low-voltage power supply port is formed in the pile body 1; one end of the lamp bead belt 62 close to the pile body 1 is electrically connected with a low-voltage power supply port; the coating layer 63 covers the periphery of the lamp bead strip 62; the coating layer 63 is made of rubber; the surface of the coating layer 63 is provided with anti-skid lines along the width direction of the coating layer; a plurality of the anti-slip threads are distributed at intervals along the length direction of the coating layer 63.

The wire harness 2 is used as a structure for transmitting high voltage and heavy current, and the light is far from being protected by a hoisting type track, so that the active warning design is required; a low-voltage power supply port such as 12V is led out from a power supply line of the pile body, so that power can be supplied to the lamp strip and the lamp strip, and the warning strip with luminous capacity is spirally wound on the surface of the wire harness 2, so that surrounding personnel can be further reminded, and the accidental damage probability is reduced; the adhesive tape 61 can be torn off by the degumming agent and rearranged when the service life of the lamp bead is used up, so that the maintenance is convenient and fast; the coating 63 can be made of a light-transmitting and wear-resistant resin material, and the service life is prolonged.

The adhesive tape 61 comprises an initial adhesive layer 601, a pressing layer 602 and an isolating layer 603 which are mutually attached; the pressing layer 602 is sandwiched between the initial adhesion layer 601 and the isolation layer 603; the pressing layer 602 is made of an elastic material; the surface of one side of the pressing layer 602 facing the primary adhesive layer 601 is convexly provided with an adhesive block 604; a hole site 605 is formed on the primary adhesive layer 601; the sticky block 604 is embedded in the hole 605 in a matching manner; the thickness of the initial adhesive layer 601 is larger than that of the adhesive block 604 in a natural state.

Through the double-layer design of the primary adhesive layer and the pressing layer, the adhesive tape 61 can be preliminarily fixed by using the low-viscosity adhesive of the primary adhesive layer during winding, so that local adjustment is conveniently carried out to keep the adhesive tape in order; then the surface of the adhesive tape 61 can be extruded to enable the adhesive block to pass through the hole 605 and be tightly attached to the surface of the wiring harness 2, so that the adhesion effect is enhanced.

The pressing layer 602 is provided with a liquid replenishing groove 606 inwards from the edge; the liquid replenishing groove 606 extends to the edge position of the sticky block 604; the sticky block 604 is made of porous foam.

Utilize the structure of fluid infusion groove 606, can instil into the glue of modulation in the position that local bonding effect is not good, glue just can permeate the glutinous piece that glues of foaming structure along the groove structure inside, further promote the adhesion.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a stake of charging of rifle head is receive and release to high-efficient laborsaving, its characterized in that: comprises a pile body (1), a wire harness (2) and a guide piece (3); one end of the wire harness (2) is electrically connected with the pile body (1), and the other end of the wire harness is provided with a charging gun (4); the guide (3) comprises a support (31), a rail (32) and a clamping assembly (33); the rail (32) is arranged along the side edge of the parking space corresponding to the pile body (1); the support (31) is connected and arranged below the track (32) and suspends the track (32); the clamping assembly (33) is in sliding fit with the rail (32); one end of the wire harness (2) close to the charging gun (4) is connected with the clamping assembly (33); when the charging gun (4) is pulled, the wire harness (2) drives the clamping assembly (33) to synchronously move along the track (32).

2. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 1, characterized in that: the clamping assembly (33) comprises a platform (331), a pulley (332) and a clamp (333); the pulley (332) is arranged on the top of the platform (331); the pulley (332) is arranged above the guide rail (32) in a matched and pressed mode; the clamp (333) is connected and arranged at the bottom of the platform (331); the clamp (333) is correspondingly matched with the wiring harness (2), and the wiring harness (2) is hung and hung below the guide rail (32).

3. The efficient and labor-saving charging pile for retracting and releasing the lance tip as claimed in claim 2, wherein: the clamp (333) comprises a pair of clamping arms (301) which are hinged; the wire harness (2) is clamped and arranged between the clamping arms (301) in pairs; the clamp (333) further comprises an elastic clamping strip (302); the clamping arm (301) is of an arc-shaped plate structure; the inner side surface of the clamping arm (301) is provided with a sliding groove (303) along the length direction; both ends of the elastic clamping strip (302) are matched with the sliding groove (303); a top bracing screw (304) is also inserted into the hoop (333); the tail end of the top bracing screw (304) penetrates through the clamping arm (301) to be connected with the center of the elastic clamping strip (302).

4. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 1, characterized in that: the guide (3) further comprises a restraint frame (34); the restraint frame (34) comprises a fixing plate (341) and a conveying roller (342); the fixing plates (341) are arranged below the rails (32) at intervals in parallel; the fixing plate (341) is connected with the support (31); the conveying roller (342) is arranged between the pair of fixing plates (341) in a matching way; the conveying rollers (342) are arranged at intervals along the length direction of the fixing plate (341); when the charging gun (4) is pulled, the elongated harness (2) falls on the top of the restraint frame (34) under the action of gravity.

5. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 1, characterized in that: also comprises a cartridge (5); the bin box (5) is arranged between the pile body (1) and the corresponding end of the parking space; a wire inlet (51) and a wire outlet (52) are formed in the side surface of the bin box (5); the wiring harness (2) sequentially penetrates through the wire inlet (51) and the wire outlet (52) and then is matched with the guide piece (3); the wire harness (2) is fixedly embedded at the wire inlet (52); the wire harness (2) is freely telescopic at the outlet (52); an elastic hook rope (53) is also arranged in the bin box (5); the elastic hook rope (53) reciprocates between the wire inlet (51) and the wire outlet (52); the hook of the elastic hook rope (53) is buckled on the wiring harness (2) to pull the wiring harness (2) to keep a tight state in the bin box (5).

6. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 5, characterized in that: the top of the bin box (5) is vertically provided with a distance indicating rod (54); the bottom of the distance indicating rod (54) is elastically hinged with the bin box (5); the ground clearance height of the top of the distance rod (54) is 1-1.5 m; the distance indicating rods (54) are distributed at intervals along the width direction of the parking space.

7. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 1, characterized in that: a warning strip (6) is arranged on the surface of the wire harness (2); the warning strip (6) comprises an adhesive tape (61), a lamp bead tape (62) and a coating layer (63); the adhesive tape (61) is spirally wound on the wire harness (2); the lamp bead tapes (62) are distributed along the length direction of the adhesive tape (61); a low-voltage power supply port is formed in the pile body (1); one end of the lamp bead belt (62) close to the pile body (1) is electrically connected with the low-voltage power supply port; the coating layer (63) is covered on the periphery of the lamp bead belt (62); the coating layer (63) is made of rubber; the surface of the coating layer (63) is provided with anti-skid lines along the width direction of the coating layer; and the plurality of anti-slip threads are distributed at intervals along the length direction of the coating layer (63).

8. The efficient labor-saving charging pile for retracting and releasing the lance head according to claim 7, is characterized in that: the adhesive tape (61) comprises an initial adhesive layer (601), a pressing layer (602) and an isolating layer (603) which are mutually attached; the pressing layer (602) is clamped between the initial adhesion layer (601) and the isolation layer (603); the pressing layer (602) is made of elastic materials; the surface of one side, facing the primary adhesive layer (601), of the pressing layer (602) is convexly provided with an adhesive block (604); a hole site (605) is arranged on the primary adhesive layer (601); the sticky block (604) is embedded in the hole (605) in a matching way; the thickness of the initial adhesion layer (601) is larger than that of the adhesion block (604) in a natural state.

9. The efficient labor-saving charging pile for retracting and releasing the gun head according to claim 8, characterized in that: the pressing layer (602) is internally provided with a liquid supplementing groove (606) from the edge; the liquid replenishing groove (606) extends to the edge position of the sticky block (604); the sticky block (604) is made of porous foaming material.