Charging gun convenient to install

Abstract

The utility model discloses a charging gun convenient to install. The charging gun comprises a plug and a handle. The upper end of the rear ring wall of the plug extends backwards to form a rear plugboard, the middle of the lower surface of the rear plugboard is provided with a first groove and an elastic wall which can deform downwards by applying pressure, and the middle of the upper surface of the elastic wall is provided with a transverse buckle; a transverse clamping groove matched with the transverse buckle is formed in the middle of the upper wall of the inner cavity of the handle; the elastic wall of the plug is extruded and deformed to be inserted into the inner cavity of the handle, and when the elastic wall reaches the transverse clamping groove, the elastic wall rebounds upwards, so that the transverse buckle enters the transverse clamping groove to form clamping positioning and fixing. The utility model has the advantages of accurate positioning, simple assembly, less assembly time, better overall impression and improved market share.

Description

Technical Field

[0001] The utility model relates to the field of electrical technology, and in particular to a charging gun which is convenient to install. Background Art

[0002] In the field of electrical connection technology, especially with the development of the new energy vehicle industry, charging guns are increasingly widely used. The gun head and handle of the existing charging gun are split structures, and the four end faces of the two are connected by screws. The defects are: first, multiple screws are required for fixing, the parts production time and the workers' assembly time are long, and more screw costs and labor costs are required; second, the connection between the handle and the gun head of the charging gun is usually a round surface, and there is no reference for the alignment of the connection holes between the two, which makes positioning difficult during assembly, requiring workers to spend more assembly time and low assembly efficiency; third, more screw holes are exposed on the outside, which affects the user's psychological feelings and reduces the customer's purchase rate. Utility Model Content

[0003] In order to solve one or more of the above problems, the utility model provides a charging gun that is convenient to install.

[0004] According to one aspect of the utility model, the conveniently installed charging gun includes: a plug and a handle;

[0005] The upper end of the rear ring wall of the plug extends backward to form a rear plug plate, a first groove is provided in the middle of the lower surface of the rear plug plate, the thinner upper groove wall of the first groove is an elastic wall that can be deformed downward when pressure is applied, and a transverse buckle is provided in the middle of the upper surface of the elastic wall;

[0006] The handle is a shell with open front and rear ends, and a transverse slot matching with the transverse buckle is provided in the middle of the upper wall of the inner cavity of the handle;

[0007] The elastic wall of the plug is squeezed and deformed and inserted into the inner cavity of the handle. When it reaches the transverse slot, the elastic wall rebounds upward, so that the transverse buckle enters the transverse slot to form a snap connection, positioning and fixing.

[0008] The charging gun, which is easy to install, is positioned and fixed by plugging, and its beneficial effects are: first, the assembly process is simple, and only a simple plug-in is required, which consumes less assembly time and screw costs; second, the plug-in has a card-connected positioning reference, and the precise positioning of the horizontal buckle and the horizontal card slot makes the lower screws directly aligned, the assembly time for workers is short, and the assembly efficiency is high; third, there are no exposed screws, the overall appearance is better, the customer purchase rate is increased, and the market share is improved; fourth, the elastic wall structure is simple, the elastic performance is high, and the deformation plug-in lock is easy to achieve.

[0009] In some embodiments, the front engaging surface of the transverse snap is an inclined surface and the rear engaging surface is a vertical surface, and the rear engaging surface of the transverse slot is an inclined surface matching the front engaging surface;

[0010] Or a rounded corner is provided at the intersection of the front snap-fit ​​surface and the transverse snap buckle.

[0011] In some embodiments, at both lateral ends of the transverse buckle, the elastic wall is symmetrically provided with two longitudinal long holes;

[0012] Or the elastic wall is a horizontal plane, arc-surface ear plates are provided at both ends of the elastic wall, and the upper wall of the insertion end of the handle is a horizontal plane.

[0013] In some embodiments, a small-sized limiting sliding groove that cooperates with the transverse buckle is provided on the upper end surface of the handle.

[0014] In some embodiments, an internal threaded hole is provided in the middle of the lower peripheral wall of the plug, and an external through hole is provided in the middle of the front lower wall of the handle. The threaded member passes through the external through hole and is screwed into the internal threaded hole to complete the locking and fixation of the plug and the handle.

[0015] In some embodiments, the external through hole is a stepped through hole, and the threaded member is a hexagon socket screw;

[0016] Or the external through hole is a countersunk through hole, and the threaded part is a flat head screw;

[0017] Or the internal threaded hole is the central threaded hole of the nut member installed in the middle of the lower peripheral wall of the plug.

[0018] In some embodiments, the inner cavity of the handle is further provided with a plurality of longitudinal positioning plates, and the longitudinal positioning plates are positioned to fit the rear ring wall surface of the plug.

[0019] In some embodiments, a sealing ring is provided between the rear end of the outer wall of the plug and the inner cavity wall of the handle.

[0020] In some embodiments, a tail cover is further included, and the rear end of the inner cavity of the handle and the tail cover are a rotationally fixed structure after insertion.

[0021] In some embodiments, the middle wall plate of the plug is further provided with two glue injection holes, and the glue injection holes are threadedly connected with sealing plugs. When the two sealing plugs are opened, glue is injected into one glue injection hole and air is exhausted from the other glue injection hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional schematic diagram of a conveniently installed charging gun according to one embodiment of the utility model;

[0023] Figure 2 for Figure 1 A schematic cross-sectional view of a conveniently assembled charging gun is shown;

[0024] Figure 3 for Figure 2 A partially enlarged schematic diagram of a conveniently assembled charging gun is shown (I);

[0025] Figure 4 for Figure 2 A partially enlarged schematic diagram of a conveniently assembled charging gun is shown (II);

[0026] Figure 5 for Figure 1 a three-dimensional schematic diagram of the plug shown;

[0027] Figure 6 for Figure 1 A schematic diagram of the left side view of the plug shown;

[0028] Figure 7 for Figure 1 A three-dimensional schematic diagram of the handle shown (a);

[0029] Figure 8 for Figure 1 A three-dimensional schematic diagram of the handle shown (II);

[0030] Fig. 9 for Figure 1 A three-dimensional schematic diagram of the tail cover shown;

[0031] Plug 1, rear plug plate 10, first groove 11, elastic wall 12, transverse buckle 13, internal thread hole 14, longitudinal long hole 15, front clamping surface 16, sealing groove 17, positioning ring 18, glue injection hole 19;

[0032] Handle 2, rear card slot surface 20, transverse card slot 21, external through hole 22, longitudinal positioning plate 23, positioning step 24, blocking piece 25; threaded member 3; sealing ring 4;

[0033] Tail cover 5, end block 51, rotation slot 52, positioning foot 53;

[0034] Outer cover 6, connecting rope 61, collar 62; nut 7; sealing plug 8. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0036] Figures 1 to 9 A conveniently installed charging gun according to an embodiment of the utility model is schematically shown. As shown in the figure, the device comprises: a plug 1 and a handle 2;

[0037] The upper end of the rear ring wall of the plug 1 extends backward to form a rear plug plate 10. A first groove 11 is provided in the middle of the lower surface of the rear plug plate 10. The thinner upper groove wall of the first groove 11 is an elastic wall 12 that can be deformed downward when pressure is applied. A transverse buckle 13 is provided in the middle of the upper surface of the elastic wall 12. Preferably, the elastic wall 12 also symmetrically forms two longitudinal long holes 15 at the transverse ends of the transverse buckle 13, and the longitudinal long holes 15 can further improve the deformability of the elastic wall 12.

[0038] The handle 2 is a shell with open front and rear ends. A transverse snap groove 21 matching with the transverse snap buckle 13 is provided in the middle of the upper wall of the inner cavity of the handle 2 .

[0039] When the plug 1 is inserted into the inner cavity of the handle 2, the transverse buckle 13 and the elastic wall 12 are squeezed and deformed until the transverse groove 21, and the transverse buckle 13 rebounds upward into the transverse groove 21, thereby forming a snap-fit ​​positioning and fixation.

[0040] This conveniently installed charging gun adopts plug-in positioning and fixing, and its beneficial effects are: first, the assembly process is simple, and only a simple plug-in is required, which consumes less assembly time and screw costs; second, the plug-in has a card-connected positioning reference, and the precise positioning of the horizontal buckle 13 and the horizontal slot 21 makes the lower screws directly aligned, the workers' assembly time is short, and the assembly efficiency is high; third, there are no exposed screws, the overall appearance is better, and the customer purchase rate is increased, and the market share is improved; fourth, the elastic wall 12 has a simple structure and high elasticity, and it is easy to achieve deformation plug-in locking.

[0041] Furthermore, the front engaging surface 16 of the transverse buckle 13 is an inclined surface and the rear engaging surface is a vertical surface; the rear engaging surface 20 of the transverse engaging groove 21 is an inclined surface matching the front engaging surface 16. The beneficial effect is that the inclined surface can make the downward pressing and recovery of the transverse buckle 13 a gradual process rather than a sudden stress change, which can improve the overall load of the transverse buckle 13.

[0042] Preferably, a rounded corner is provided at the intersection of the front engaging surface 16 and the transverse buckle 13. The beneficial effect is that the rounded corner can soften the load distribution and prevent stress concentration.

[0043] Preferably, the elastic wall 12 is a horizontal plane, and arc-surface ear plates are provided at both ends of the elastic wall 12, and the upper wall of the insertion end of the handle 2 is a horizontal plane. The beneficial effect is that the horizontal plane has an initial positioning performance, which improves the alignment speed and accuracy.

[0044] Preferably, the first groove 11 is a rectangular groove, and the longitudinal long hole 15 is a rectangular through hole.

[0045] Furthermore, a small-sized limiting groove is provided on the upper end surface of the handle 2 to match the transverse buckle 13, and the transverse buckle 13 is guided to move in the limiting groove. The beneficial effect is that the limiting ring groove can improve the installation accuracy and prevent the left-right deviation phenomenon.

[0046] Furthermore, an internal threaded hole 14 is provided in the middle of the lower peripheral wall of the plug 1. Preferably, the internal threaded hole 14 is a central threaded hole of a nut member 7 installed in the middle of the lower peripheral wall of the plug 1. This structure has better connection strength and is easy to process.

[0047] An external through hole 22 is provided in the middle of the lower wall of the front end of the handle 2; preferably, the external through hole 22 is a stepped through hole or a countersunk through hole, and the threaded member 3 is a corresponding hexagon socket screw or a flat head screw, which has the beneficial effect that the countersunk through hole and the stepped through hole can make the screw built-in to prevent human hands from touching the screw.

[0048] The threaded member 3 passes through the outer through hole 22 and is screwed into the inner threaded hole 14 , thereby completing the locking and fixing of the plug 1 and the handle 2 .

[0049] The charging gun, which is easy to install, adopts an assembly structure with a lower screw to strengthen the locking and fixing, and its beneficial effects are: firstly, the assembly process only involves the tightening of one screw, which consumes less assembly time and screw costs; secondly, there is only one lower screw, which is not easy for users to observe, and the overall appearance is better.

[0050] Furthermore, the inner cavity of the handle 2 is also provided with a plurality of longitudinal positioning plates 23. When the plug 1 is inserted into the inner cavity of the handle 2, the longitudinal positioning plates 23 are positioned to fit the rear ring wall of the plug 1. The beneficial effect is that the longitudinal positioning plates 23 can ensure the longitudinal position accuracy of the insertion and prevent longitudinal deviation.

[0051] Preferably, the rear end of the outer wall of the plug 1 is further provided with a sealing groove 17, and the sealing ring 4 of the shaft sleeve in the sealing groove 17 is tightly fitted to the inner wall of the handle 2. The beneficial effect is that the sealing ring 4 can achieve good cavity sealing to prevent dust and liquid from entering the interior and damaging electronic components.

[0052] Furthermore, the handle 2 is also provided with a plurality of positioning steps 24, and the plug 1 is provided with a positioning ring 18 that matches the positioning steps 24; the beneficial effect thereof is that the positioning steps 24 can improve the positioning accuracy.

[0053] Furthermore, the handle 2 is also provided with a middle reinforcement rib, which has the beneficial effect that the middle reinforcement rib improves the overall strength of the handle 2.

[0054] Furthermore, it also includes a tail cover 5, and the rear end of the inner cavity of the handle 2 and the tail cover 5 are a plug-in and rotation fixing structure. When the tail cover 5 is inserted into the inner cavity of the handle 2, the two can be fixed by rotating the tail cover 5. Its beneficial effect is that the connection structure is simple and no external screws are required.

[0055] Preferably, a plurality of baffles 25 are provided at the rear end of the inner cavity of the handle 2, and gaps are formed between adjacent baffles 25. The tail cover 5 is also provided with a plurality of end blocks 51 corresponding to the gaps. A rotation groove 52 and a positioning foot 53 are formed at the rear end of the end block 51. The rotation groove 52 and the baffle 25 have the same thickness. The end block 51 is inserted into the gap, and the tail cover 5 is rotated, and the baffle 25 enters the rotation groove 52 until the positioning foot 53 is fixed.

[0056] The middle wall plate of the plug 1 is also provided with two glue injection holes 19, which are threadedly connected with sealing plugs 8. When the two sealing plugs 8 are opened, glue is injected into one glue injection hole 19 and air is exhausted from the other glue injection hole 19. The beneficial effect is that the structure is simple and a good fixing effect can be achieved.

[0057] Furthermore, an outer cover 6 is plugged into the front end of the plug 1;

[0058] A ring 62 is provided at the end of the connecting rope 61 of the outer cover 6, and the ring 62 is fixed on the middle ring groove of the tail cover 5; its beneficial effect is: the outer cover 6 protects the plug 1 when not in use, and the connecting rope 61 keeps the two connected at all times, making it easy to find the outer cover 6 and avoid losing it.

[0059] Preferably, the handle 2 is also provided with a gripping end. The beneficial effect is that this arrangement is convenient for the operator to use.

[0060] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A conveniently installed charging gun, characterized in that: It comprises: a plug (1) and a handle (2); The upper end of the rear ring wall of the plug (1) extends backward to form a rear plug plate (10), a first groove (11) is provided in the middle of the lower surface of the rear plug plate (10), the thinner upper groove wall of the first groove (11) is an elastic wall (12) that can be deformed downward when pressure is applied, and a transverse buckle (13) is provided in the middle of the upper surface of the elastic wall (12); The handle (2) is a shell with open front and rear ends, and a transverse slot (21) matching with the transverse buckle (13) is provided in the middle of the upper wall of the inner cavity of the handle (2); The elastic wall (12) of the plug (1) is squeezed and deformed and inserted into the inner cavity of the handle (2); when it reaches the transverse slot (21), the elastic wall (12) rebounds upward, allowing the transverse buckle (13) to enter the transverse slot (21) to form a snap-fit ​​positioning and fixation.

2. A conveniently installed charging gun according to claim 1, characterized in that: The front engaging surface (16) of the transverse buckle (13) is an inclined surface and the rear engaging surface is a vertical surface, and the rear engaging surface (20) of the transverse engaging groove (21) is an inclined surface matching the front engaging surface (16); Or a rounded corner is provided at the intersection of the front snap-fit ​​surface (16) and the transverse snap buckle (13).

3. The conveniently installed charging gun according to claim 1, characterized in that: At the lateral ends of the lateral buckle (13), the elastic wall (12) is symmetrically provided with two longitudinal long holes (15); Or the elastic wall (12) is a horizontal plane, arc-surface ear plates are provided at both ends of the elastic wall (12), and the upper wall of the insertion end of the handle (2) is a horizontal plane.

4. The conveniently installed charging gun according to claim 1, characterized in that: The upper end surface of the handle (2) is provided with a small-sized limiting sliding groove which matches the transverse buckle (13).

5. The conveniently installed charging gun according to claim 1, characterized in that: An internal threaded hole (14) is provided in the middle of the lower peripheral wall of the plug (1), and an external through hole (22) is provided in the middle of the lower front wall of the handle (2). The threaded member (3) passes through the external through hole (22) and is screwed into the internal threaded hole (14), thereby completing the locking and fixing of the plug (1) and the handle (2).

6. A conveniently installed charging gun according to claim 5, characterized in that: The outer through hole (22) is a stepped through hole, and the threaded member (3) is a hexagon socket screw; Or the outer through hole (22) is a countersunk through hole, and the threaded member (3) is a flat head screw; Alternatively, the internal threaded hole (14) is a central threaded hole of a nut member (7) installed in the middle of the lower peripheral wall of the plug (1).

7. The conveniently installed charging gun according to claim 1, characterized in that: The inner cavity of the handle (2) is also provided with a plurality of longitudinal positioning plates (23), and the longitudinal positioning plates (23) are positioned to fit the rear ring wall surface of the plug (1).

8. The conveniently installed charging gun according to claim 1, characterized in that: A sealing ring (4) is provided between the rear end of the outer wall of the plug (1) and the inner wall of the handle (2).

9. The conveniently installed charging gun according to claim 1, characterized in that: It also comprises a tail cover (5), and the rear end of the inner cavity of the handle (2) and the tail cover (5) are a structure that is rotated and fixed after insertion.

10. The conveniently installed charging gun according to claim 9, characterized in that: The middle wall plate of the plug (1) is further provided with two glue injection holes (19), and the glue injection holes (19) are threadedly connected with sealing plugs (8). When the two sealing plugs (8) are opened, glue is injected into one of the glue injection holes (19) and air is exhausted from the other glue injection hole (19).

Images