Charging gun anti-loosening device for new energy charging pile

Abstract

The invention relates to the field of charging pile equipment, in particular to a charging gun anti-loosening device for a new energy charging pile, which comprises a charging pile for supporting, four groups of alignment clamping seats arranged on the inner end surface of the charging pile at equal intervals, and avoidance grooves formed in the lower parts of the alignment clamping seats close to openings. By arranging the charging device, when a charging gun is locked and placed, a supporting device can be inserted into a charging gun clamping seat, and meanwhile, a supporting sliding seat can be elastically clamped with a positioning hook groove through a hook plate, so that four sets of fixing clamping blocks are driven to be synchronously locked and limited into a limiting sliding groove in the charging gun clamping seat; according to the charging gun fixing and locking device, the convenience of fixing and locking of the charging gun is effectively improved, meanwhile, a guide pressing plate can rapidly and conveniently relieve limiting of a hook plate and a positioning hook groove through jacking of a guide insertion shaft and the hook plate, the charging gun can be conveniently and rapidly taken out in the follow-up process, and the convenience of taking and placing of the charging gun is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of charging pile equipment, in particular to a charging gun anti-loosening device for new energy charging pile. BACKGROUND

[0002] The new energy charging pile is a core component for charging new energy vehicles, and can provide stable and efficient electric energy, thereby facilitating subsequent charging operation of new energy vehicles. Meanwhile, the charging pile has multiple safety protection mechanisms, such as overcurrent, overvoltage, temperature control, etc., to ensure the safety and reliability of the charging process and effectively improve the safety of the charging pile.

[0003] For example, CN110406405B discloses a charging gun anti-loosening device for new energy charging pile, which belongs to the field of new energy charging and includes a charging pile body, a charging gun, a charging gun fixing mechanism, a cable locking mechanism and a charging seat. The charging seat is provided with a charging gun slot, and the upper part of the charging seat is provided with a rainproof baffle fixed on the side wall of the charging pile body. The charging gun fixing mechanism includes a fixing seat, a charging gun locking assembly and a clamping seat. The charging gun locking assembly includes two symmetrically arranged limiting seats and a driving part for driving the two limiting seats to rotate simultaneously. The charging gun is provided with an extension ear corresponding to each limiting seat. The charging gun fixing mechanism can fix the charging gun, prevent the charging gun from loosening with the charging pile socket, and make the charging gun more stable on the fixing seat, thereby improving the safety of the charging gun. The cable locking mechanism can lock and unlock the charging cable.

[0004] Although the above-mentioned charging pile fixing device can fix and limit the charging gun, the above-mentioned charging gun has insufficient convenience when fixed to the charging pile, and the stability of the charging gun locked by the above-mentioned charging pile is also insufficient. Therefore, a charging gun anti-loosening device for new energy charging pile is needed to solve the problems mentioned above. SUMMARY

[0005] The present application aims to provide a charging gun anti-loosening device for new energy charging pile to solve the problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a charging gun anti-loosening device for new energy charging pile, including a charging pile for support, four groups of alignment clamping seats are equidistantly arranged on the inner end face of the charging pile, an avoidance slot is arranged on the lower part of the alignment clamping seat near the opening,

[0007] The charging gun card seat is fixedly connected to the inner end face of the alignment card seat, a fixed slot is formed through the upper end face to the bottom of the charging gun card seat, three sets of alignment sliding grooves are equidistantly formed at the opening of the fixed slot, and four sets of limiting sliding grooves are equidistantly formed at the inner end face of the charging gun card seat.

[0008] The charging device is detachably and slidably connected to the inner end face of the charging gun card seat through the limiting sliding groove.

[0009] Preferably, the charging device comprises a supporting device, four sets of fixed clamping blocks are equidistantly and elastically slidably connected to the inner portion of the supporting device, a charging gun guide pipe is slidably connected to the center of the inner end face of the supporting device, four sets of limiting guide blocks are equidistantly arranged on the outer end face of the charging gun guide pipe, a locking device is arranged on the lower portion of the supporting device, spring sliding blocks are symmetrically arranged on the side end face of the fixed clamping blocks, a cable adapter is threadedly connected to the center of the rear end face of the charging gun guide pipe, a reset spring is arranged on the outer end face of the charging gun guide pipe close to the cable adapter, and a charging head is arranged at the front end of the charging gun guide pipe.

[0010] Preferably, the locking device comprises a charging gun base, fixed sliding shafts are arranged on the upper portion and the lower portion of the inner end face of the charging gun base, supporting springs are arranged on the inner end face of the charging gun base opposite to the fixed sliding shafts, a guide device is slidably connected to the front portion of the inner end face of the charging gun base through the fixed sliding shafts, two sets of alignment sliding seats are formed on the side end face of the charging gun base, guide pressing plates are slidably connected to the outer end face of the alignment sliding seats, three sets of guide insertion shafts are equidistantly arranged on the inner end face of the guide pressing plates, positioning springs are arranged on the inner end face of the guide pressing plates coaxial with the guide insertion shafts, and three sets of positioning hook grooves are equidistantly and symmetrically formed on the center of the rear end face of the charging gun base.

[0011] Preferably, the guide device comprises a supporting sliding seat, a locking clasp is arranged on the upper end face of the supporting sliding seat, two sets of elastic clamping plates are arranged on the center of the front end face of the supporting sliding seat, and three sets of hook plates are equidistantly arranged on the side portions of the front end face of the two sets of elastic clamping plates.

[0012] Preferably, the supporting device comprises a limiting handle, three sets of positioning guide blocks are equidistantly arranged on the side end face of the limiting handle close to the top portion, spring sliding grooves are formed on the inner end face of the limiting handle close to the positioning guide blocks, and four sets of insertion sliding grooves are equidistantly formed through the inner portion of the side end face of the limiting handle.

[0013] Preferably, when the limiting handle is fully inserted into the inside of the charging gun holder, the limiting slot is fully opposite to the insertion slot, at this time, the fixed block is in sliding connection with the limiting handle through the insertion slot, and the fixed block is in elastic sliding connection with the inner end face of the insertion slot through the spring block. The two sets of positioning springs outside the spring block can be fixedly connected with the inner wall of the insertion slot, so that the elastic force of the fixed block is provided for subsequent resetting.

[0014] Preferably, the limiting handle is in sliding connection with the positioning guide block and the positioning slot, and the side wall of the avoidance slot is in sliding fit connection with the side wall of the charging gun base. The sliding connection of the positioning guide block and the positioning slot and the fit sliding of the avoidance slot and the charging gun base can prevent the subsequent limiting handle from rotating radially after being inserted into the inside of the charging gun holder, thereby affecting the stability of subsequent insertion and extraction.

[0015] Preferably, the supporting sliding seat is in sliding connection with the inner end face of the charging gun base through the upper and lower two fixed sliding shafts, the locking clasp is in fixed connection with the tail of the charging gun guide pipe, and the elastic clamping plate is in fixed connection with the inner end face of the charging gun base through the hook plate and the positioning hook slot. The extrusion connection of the hook plate and the positioning hook slot can facilitate the subsequent positioning of the supporting sliding seat in the inside of the charging gun base, provide sufficient positioning basis, and facilitate the stability of the subsequent locking of the limiting handle in the inside of the charging gun holder.

[0016] Preferably, the reset spring is in fixed connection with the inner wall of the spring slot, the cross section of the limiting guide block is in tapered connection, the tail of the fixed block is opposite to the tapered surface of the limiting guide block, and the tail of the fixed block is provided with a positioning round corner with the same angle as the tapered surface of the limiting guide block. When the fixed block is guided and limited, the charging gun guide pipe can drive the limiting guide block to move forward, so that the limiting guide block can be guided and positioned through the tapered surface and the positioning round corner when the limiting guide block moves forward, thereby driving the fixed block to move outward, facilitating the subsequent positioning of the fixed block in the limiting slot in the inside of the charging gun holder, and completing the locking connection.

[0017] Preferably, the supporting device drives the charging gun guide pipe and the limiting guide block to move axially forward through the locking device, and the limiting guide block drives the four fixed blocks to slide and insert in the inside of the limiting slot. The supporting device is in fixed connection with the charging gun holder through the fixed blocks and the limiting slot.

[0018] Preferably, when the charging gun conduit is located at the initial position, the charging head is recessed in the opening of the limiting handle, and when the charging gun conduit is located at the forward limit position, the charging head is protruded outside the opening of the limiting handle, so that the charging head inside the charging gun can be protected in all directions, and the charging head is prevented from falling in the normal state and affecting the protection of the charging head.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] 1. The charging device is provided, when the charging gun is locked and placed, the supporting device can be inserted into the inside of the charging gun holder, and the supporting slide can be elastically clamped with the hook plate and the positioning hook groove, thereby driving the four groups of fixed clamping blocks to be locked and positioned in the limiting sliding groove inside the charging gun holder, effectively improving the convenience of fixing and locking the charging gun, and the guide pressing plate can press the hook plate through the guide insertion shaft, thereby quickly and conveniently releasing the limiting of the hook plate and the positioning hook groove, facilitating the subsequent quick taking out of the charging gun, and effectively improving the convenience of taking and placing the charging gun.

[0021] 2. The alignment sliding groove, the avoidance groove, the positioning guide block and the charging gun base are provided, when the charging gun is locked, the positioning guide block can guide the axial direction of the charging gun through the alignment sliding groove, and the positioning guide block and the avoidance groove can synchronously limit the radial direction of the limiting handle, effectively improving the stability of the limiting handle during the alignment and insertion, and also improving the stability of the subsequent radial limitation after the insertion of the limiting handle is completed.

[0022] 3. The charging head is designed as a recessed type, when the charging gun is not used, the charging head is located inside the opening of the limiting handle, which can effectively improve the protection of the charging head outside when the charging gun falls subsequently, thereby improving the practical service life of the charging gun. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating any creative labor.

[0024] Figure 1 It is a structural schematic diagram of the main body of the present application;

[0025] Figure 2 It is a split diagram of the main body of the present application;

[0026] Figure 3 It is a Figure 2 It is a local enlarged view of the I place;

[0027] Figure 4 is a split view of the charging device of the present application;

[0028] Figure 5 is a front view of the charging device of the present application;

[0029] Figure 6 is a split view of the locking device of the present application; Figure 5 is a sectional view along A-A of the charging device;

[0030] Figure 7 is a partial enlarged view of II of the present application; Figure 6

[0031] Figure 8 is a split view of the locking device of the present application;

[0032] Figure 9 is a structural schematic view of the locking device of the present application;

[0033] Figure 10 is a structural schematic view of the guiding device of the present application;

[0034] Figure 11 is a structural schematic view of the supporting device of the present application.

[0035] In the figure: 1 - alignment holder, 2 - fixed slot, 3 - charging device, 4 - alignment sliding groove, 5 - limiting sliding groove, 6 - charging pile, 7 - charging gun holder, 8 - avoidance groove, 31 - cable connector, 32 - locking device, 33 - supporting device, 34 - charging gun guide pipe, 35 - return spring, 36 - limiting guide block, 37 - fixed clamping block, 38 - charging head, 39 - spring sliding block, 321 - fixed sliding shaft, 322 - guiding device, 323 - supporting spring, 324 - charging gun base, 325 - guiding insertion shaft, 326 - positioning spring, 327 - guiding pressing plate, 328 - alignment sliding seat, 329 - positioning hook groove, 3221 - locking clasp, 3222 - supporting sliding seat, 3223 - hook plate, 3224 - elastic clamping plate, 331 - spring sliding groove, 332 - positioning guide block, 333 - insertion sliding groove, 334 - limiting handle. DETAILED DESCRIPTION

[0036] In order to make the personnel in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person of ordinary skill in the art without making creative labor should belong to the protection scope of the present application.

[0037] ​It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and the above-described accompanying drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0038] The present application is further illustrated below in conjunction with the accompanying drawings.

[0039] Embodiment 1

[0040] Please refer to Figures 1-11 An embodiment provided by the present application: a new energy charging pile with a charging gun anti-loosening device, including a charging pile 6 for support, four sets of alignment clamping seats 1 are arranged equidistantly on the inner end face of the charging pile 6, an avoidance groove 8 is opened near the opening of the lower part of the alignment clamping seat 1,

[0041] a charging gun clamping seat 7, the charging gun clamping seat 7 is fixedly connected to the inner end face of the alignment clamping seat 1, a fixed slot 2 is opened through the upper end face to the bottom of the charging gun clamping seat 7, three sets of alignment sliding grooves 4 are equidistantly opened at the opening of the fixed slot 2, and four sets of limiting sliding grooves 5 are equidistantly opened on the inner end face of the charging gun clamping seat 7;

[0042] a charging device 3, which is detachably slidably inserted into the inner end face of the charging gun clamping seat 7 through the limiting sliding groove 5.

[0043] The charging device 3 includes a supporting device 33, four sets of fixed clamping blocks 37 are equidistantly and elastically slidably connected to the inside of the supporting device 33, a charging gun conduit 34 is slidably connected to the inner end face of the supporting device 33, four sets of limiting guide blocks 36 are equidistantly arranged on the outer end face of the charging gun conduit 34, a locking device 32 is arranged on the lower part of the supporting device 33, spring sliding blocks 39 are symmetrically arranged on the side end face of the fixed clamping block 37, a cable adapter 31 is threadedly connected to the center of the rear end face of the charging gun conduit 34, a reset spring 35 is arranged on the outer end face of the charging gun conduit 34 near the cable adapter 31, and a charging head 38 is arranged at the front end of the charging gun conduit 34.

[0044] The locking device 32 comprises a charging gun base 324, the inner end face upper part and the inner end face lower part of the charging gun base 324 are provided with fixed sliding shafts 321, the inner end face of the charging gun base 324 is provided with supporting springs 323 opposite to the fixed sliding shafts 321, the front part of the inner end face of the charging gun base 324 is slidably connected with a guide device 322 through the fixed sliding shaft 321, the side end face of the charging gun base 324 is provided with two groups of alignment sliding seats 328, and the outer end face of the alignment sliding seat 328 is slidably connected with a guide pressing plate 327, the inner end face of the guide pressing plate 327 is equidistantly provided with three groups of guide insertion shafts 325, the inner end face of the guide pressing plate 327 is provided with a positioning spring 326 at the coaxial position of the guide insertion shaft 325, and the rear end face center of the charging gun base 324 is equidistantly and symmetrically provided with three groups of positioning hook grooves 329.

[0045] The guide device 322 comprises a supporting sliding seat 3222, the upper end face of the supporting sliding seat 3222 is provided with a locking clasp 3221, the front end face center of the supporting sliding seat 3222 is provided with two groups of elastic clamping plates 3224, the front end face side part of the two groups of elastic clamping plates 3224 is equidistantly provided with three groups of hook plates 3223, the front part of the hook plate 3223 is provided with an alignment round corner, and the rear part of the charging gun base 324 is provided with a guide groove for passing through the hook plate 3223, and the alignment round corner is used for more conveniently passing through the guide groove.

[0046] The supporting device 33 comprises a limiting handle 334, the side end face of the limiting handle 334 is equidistantly provided with three groups of positioning guide blocks 332 near the top, the inner end face of the limiting handle 334 is provided with a spring sliding groove 331 near the positioning guide block 332, and the side end face of the limiting handle 334 is equidistantly provided with four groups of insertion sliding grooves 333 penetrating to the inside.

[0047] When the limiting handle 334 is completely inserted into the inside of the charging gun clamping seat 7, the limiting sliding groove 5 is completely opposite to the insertion sliding groove 333, at this time, the fixed clamping block 37 is slidably connected with the limiting handle 334 through the insertion sliding groove 333, and the stability and the accuracy of the subsequent charging gun positioning to the inside of the charging gun clamping seat 7 can be effectively improved.

[0048] The fixed clamping block 37 is elastically and slidably connected to the inner end face of the insertion sliding groove 333 through the spring sliding block 39, the two groups of alignment springs outside the spring sliding block 39 are fixedly connected with the inner wall of the insertion sliding groove 333, and the elastic force of the spring sliding block 39 is convenient for providing the reset of the fixed clamping block 37.

[0049] The limiting handle 334 is adapted to the positioning guide block 332 and the counter sliding groove 4, and is then slidingly connected to the inner end face of the charging gun card seat 7. The side wall of the avoidance groove 8 is slidingly connected to the side wall of the charging gun base 324. The sliding connection of the positioning guide block 332 and the counter sliding groove 4, and the sliding connection of the avoidance groove 8 and the charging gun base 324, double radial limiting, can prevent the subsequent limiting handle 334 from being inserted into the charging gun card seat 7 and then rotating radially, affecting the stability of the subsequent plug-in and plug-out.

[0050] The support sliding seat 3222 is slidingly connected to the inner end face of the charging gun base 324 through the upper and lower two groups of fixed sliding shafts 321. The locking clasp 3221 is fixedly connected to the tail of the charging gun guide pipe 34. The elastic clamping plate 3224 is fixedly connected to the inner end face of the charging gun base 324 through the hook plate 3223 and the positioning hook groove 329. The hook plate 3223 is extrudedly connected to the positioning hook groove 329, which can conveniently limit the support sliding seat 3222 to the inside of the charging gun base 324, provide sufficient positioning basis, and conveniently maintain the stability of the limiting handle 334 locked to the inside of the charging gun card seat 7.

[0051] The reset spring 35 is fixedly connected to the inner wall of the spring sliding groove 331. The cross section of the limiting guide block 36 is conical. The conical surface of the limiting guide block 36 is opposite to the tail of the fixed clamping block 37. The tail of the fixed clamping block 37 is provided with a positioning round corner with the same angle as the conical surface of the limiting guide block 36. When the fixed clamping block 37 is guided out of the limiting position, the charging gun guide pipe 34 can drive the limiting guide block 36 to move forward, so that when the limiting guide block 36 moves forward, the conical surface and the positioning round corner can be aligned to drive the fixed clamping block 37 to move outward, which is convenient for subsequent alignment to the limiting sliding groove 5 inside the charging gun card seat 7, and completes the locking connection.

[0052] The support device 33 drives the charging gun guide pipe 34 and the limiting guide block 36 to axially move forward, and the limiting guide block 36 drives the four groups of fixed clamping blocks 37 to slidingly insert into the inside of the limiting sliding groove 5. The support device 33 is fixedly connected to the charging gun card seat 7 through the fixed clamping block 37 and the limiting sliding groove 5.

[0053] When the charging gun guide pipe 34 is in the initial position, the charging head 38 is recessed in the opening of the limiting handle 334. When the charging gun guide pipe 34 is in the forward limit position, the charging head 38 protrudes from the outer opening of the limiting handle 334, which can conveniently protect the charging head 38 inside the charging gun in all directions, prevent falling in normal state, and affect the protection of the charging head 38.

[0054] Working principle: before use, the worker can butt joint the charging cable with the cable butt joint 31, which is convenient for subsequent power supply operation. If it is necessary to lock and place the charging gun, the worker can hold the charging gun base 324, then make the limiting handle 334 opposite to the fixed slot 2 inside the charging gun clamping seat 7, then insert the limiting handle 334 into the fixed slot 2, with the limiting handle 334 inserted into the charging gun clamping seat 7, the positioning guide block 332 can be aligned to the alignment sliding groove 4, and the charging gun base 324 can be aligned to the avoidance groove 8, which is convenient for radial limiting and axial guiding of the charging gun. After inserting the limiting handle 334 into the bottom of the charging gun clamping seat 7, start the locking operation, the worker can hold the charging gun base 324 and press the supporting sliding seat 3222 at the same time, at this time the supporting sliding seat 3222 can drive the locking clasp 3221 and the elastic clamping plate 3224 to move forward synchronously, the locking clasp 3221 can drive the charging gun conduit 34 to move forward synchronously, and the elastic clamping plate 3224 can drive the hook plate 3223 to move forward, when the charging gun conduit 34 moves forward, the charging gun conduit 34 can drive the four sets of limiting guide blocks 36 to move forward synchronously, so that the four sets of limiting guide blocks 36 can be limited by the taper surface and the positioning round corner of the tail of the fixed clamping block 37, and then drive the four sets of fixed clamping blocks 37 to move away from the center, at this time the head of the fixed clamping block 37 can be directly inserted into the limiting sliding groove 5 through the insertion sliding groove 333, and the elastic clamping plate 3224 can be elastically inserted into the middle of the charging gun base 324 through the hook plate 3223, at this time the elastic clamping plate 3224 is elastically bent until the hook plate 3223 is elastically clamped into the positioning hook groove 329, and at the same time the fixed clamping block 37 is completely inserted into the limiting sliding groove 5, the locking operation is completed, if it is necessary to take out the charging gun, the worker can press the two sets of guiding pressure plates 327 towards the middle, at this time the guiding pressure plates 327 can press the two sets of hook plates 3223 limited in the positioning hook groove 329 through the guiding insertion shaft 325, until the hook plate 3223 is separated from the positioning hook groove 329, at this time the upper and lower sets of compressed supporting springs 323 can push the supporting sliding seat 3222 and the locking clasp 3221 to reset synchronously, the locking clasp 3221 can drive the four sets of limiting guide blocks 36 to move backward and reset through the charging gun conduit 34, then the limiting guide blocks 36 can synchronously release the pressing of the four sets of fixed clamping blocks 37, the spring sliding block 39 can drive the fixed clamping block 37 to reset from the limiting sliding groove 5 to the insertion sliding groove 333, at this time the limiting handle 334 is completely separated from the charging gun clamping seat 7, which is convenient for subsequent taking out.

[0055] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A charging gun anti-loosening device for a new energy charging pile, comprising a charging pile (6), wherein four sets of alignment brackets (1) are equidistantly arranged on the inner end face of the charging pile (6), characterized in that: The charging gun holder (7) is fixedly attached to the inner end face of the alignment holder (1), and four sets of limiting slide grooves (5) are equidistantly provided on the inner end face of the charging gun holder (7). The charging device (3) is detachably and slidably inserted into the inner end face of the charging gun holder (7) through the limiting slide groove (5). The charging device (3) includes a support device (33), and four sets of fixing blocks (37) are equidistantly and elastically slidably connected inside the support device (33). A charging gun guide tube (34) is slidably connected at the center of the inner end face of the support device (33). Four sets of limiting guide blocks (36) are equidistantly arranged on the outer end face of the charging gun guide tube (34). A locking device (32) is provided at the lower part of the support device (33). The support device (33) drives the charging gun guide tube (34) and the limiting guide block (36) to move forward axially through the locking device (32), and the limiting guide block (36) drives the four sets of fixing blocks (37) to be centrifugally slidably inserted into the inside of the limiting groove (5).

2. The anti-loosening device for charging guns in new energy charging piles according to claim 1, characterized in that: A fixed slot (2) is provided on the upper end face of the charging gun holder (7) extending to the bottom. Three sets of alignment grooves (4) are provided at equal intervals at the opening of the fixed slot (2). An avoidance groove (8) is provided at the lower part of the alignment holder (1) near the opening. A spring slider (39) is symmetrically provided on the side end face of the fixed block (37). A cable connector (31) is threaded at the center of the rear end face of the charging gun guide tube (34). A reset spring (35) is provided on the outer end face of the charging gun guide tube (34) near the cable connector (31). A charging head (38) is provided at the front end of the charging gun guide tube (34). The support device (33) is fixedly engaged with the charging gun holder (7) by the insertion and matching of the fixed block (37) and the limiting groove (5).

3. The anti-loosening device for charging guns in new energy charging piles according to claim 2, characterized in that: The locking device (32) includes a charging gun base (324). Fixed sliding shafts (321) are provided at both the upper and lower parts of the inner end face of the charging gun base (324). Supporting springs (323) are provided at the positions on the inner end face of the charging gun base (324) directly opposite the fixed sliding shafts (321). A guide device (322) is slidably engaged with the front of the inner end face of the charging gun base (324) via the fixed sliding shafts (321). Two sets of alignment slides (328) are provided on the side end face, and a guide pressure plate (327) is slidably engaged on the outer end face of the alignment slide (328). Three sets of guide inserts (325) are equidistantly arranged on the inner end face of the guide pressure plate (327). A positioning spring (326) is provided on the inner end face of the guide pressure plate (327) and the guide insert (325) at the coaxial position. Three sets of positioning hooks (329) are equidistantly and symmetrically arranged at the center of the rear end face of the charging gun base (324).

4. The anti-loosening device for charging guns in new energy charging piles according to claim 3, characterized in that: The guiding device (322) includes a support slide (3222), the upper end face of the support slide (3222) is provided with a locking ring (3221), and two sets of elastic clamps (3224) are provided at the center of the front end face of the support slide (3222). Three sets of hook plates (3223) are equidistantly provided at the side of the front end face of the two sets of elastic clamps (3224).

5. The anti-loosening device for a charging gun in a new energy charging pile according to claim 4, characterized in that: The support device (33) includes a limiting handle (334). Three sets of positioning guide blocks (332) are equidistantly arranged on the side end face of the limiting handle (334) near the top. A spring slide groove (331) is provided on the inner end face of the limiting handle (334) near the positioning guide block (332). Four sets of insertion slide grooves (333) are equidistantly arranged on the side end face of the limiting handle (334) extending into the interior.

6. The anti-loosening device for a charging gun in a new energy charging pile according to claim 5, characterized in that: When the limiting handle (334) is fully inserted into the charging gun holder (7), the limiting slide groove (5) is completely aligned with the insertion slide groove (333). At this time, the fixing block (37) slides and engages with the limiting handle (334) through the insertion slide groove (333), and the fixing block (37) elastically slides and engages with the inner end face of the insertion slide groove (333) through the spring slider (39).

7. The anti-loosening device for a charging gun in a new energy charging pile according to claim 5, characterized in that: The limiting handle (334) is adapted to the alignment groove (4) through the positioning guide block (332) and then slidably engaged with the inner end face of the charging gun holder (7). The side wall of the clearance groove (8) is slidably fitted to the side wall of the charging gun base (324).

8. The anti-loosening device for a charging gun in a new energy charging pile according to claim 5, characterized in that: The support slide (3222) is slidably engaged with the inner end face of the charging gun base (324) through the upper and lower sets of the fixed slide shafts (321). The locking ring (3221) is fixedly engaged with the tail of the charging gun guide tube (34). The elastic clamp (3224) is fixedly engaged with the inner end face of the charging gun base (324) through the hook plate (3223) and the positioning hook groove (329).

9. The anti-loosening device for a charging gun in a new energy charging pile according to claim 8, characterized in that: The reset spring (35) is fixedly connected to the inner wall of the spring groove (331). The cross-section of the limiting guide block (36) is tapered, and the tapered surface of the limiting guide block (36) is directly opposite the tail of the fixing block (37). The tail of the fixing block (37) is provided with a positioning rounded corner at the same angle as the tapered surface of the limiting guide block (36).

10. A charging gun anti-loosening device for a new energy charging pile according to claim 8, characterized in that: When the charging gun guide tube (34) is in the initial position, the charging head (38) is recessed in the opening of the limiting handle (334). When the charging gun guide tube (34) is in the forward limit position, the charging head (38) protrudes out of the external opening of the limiting handle (334).

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