External buckle type pressure reduction plate

Abstract

The utility model relates to the technical field of step-down, in particular to an external buckle type step-down plate, which comprises a step-down plate group, a charger is clamped at the right end of the step-down plate group, a plurality of dovetail grooves are symmetrically arranged on the front side and the rear side of the charger, buckle devices are clamped on the dovetail grooves, and the left ends of the buckle devices are in buckle connection with the step-down plate group. When the clamping device is used, the dovetail clamping block and the dovetail groove are clamped in a sliding mode, the clamping device body is fixedly installed on the two sides of a charger, then a step-down plate connector plate is inserted into the charger, the clamping piece is inserted into the triangular groove, the buckling and pressing piece on the circular groove hole is rotated, and at the moment, the clamping piece and the arc-shaped groove slide in a limiting mode. The hook end of the clamping piece provides a locking structure for fixing the step-down plate shell, so that step-down plates of different models can be replaced according to charging requirements, and good use conditions are provided for charging modularization.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage reduction, in particular to an external buckle-type voltage reduction plate. Background Art

[0002] Lithium-ion batteries have high requirements for chargers and require protection circuits, so lithium battery chargers usually have high control precision and can charge lithium-ion batteries with constant current and constant voltage. At this time, a corresponding step-down board is needed to step down the voltage to meet the charging requirements. Since the step-down board is an exposed component and needs to be changed to meet different charging requirements, similar to the charging test device, a step-down board with different signals is required for testing and use. The inability to directly replace the step-down board has become a criticism of the modularization of charger charging. At the same time, ensuring stable charging after loading the step-down board is also a problem that needs to be paid attention to in modularization. Therefore, those skilled in the art provide an external snap-on step-down board to solve the problems raised in the above background technology. In the field of battery testing technology, because it is necessary to test the charging power of a battery, it is necessary to constantly replace the charger, which is very cumbersome. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an external buckle-type step-down plate, including a buckle plate group, the right end of the buckle plate group is buckled with a charger, and a plurality of dovetail grooves are symmetrically opened on the front and rear sides of the charger, and a buckle device is buckled on the dovetail groove, and the left end of the buckle device is buckled and connected to the buckle plate group;

[0004] The buckle device includes a tripod seat, a dovetail clamping block, a circular groove hole, a positioning groove, a buckling piece, a fixing hole, a latch piece, a triangular bayonet and a clamping piece. The tripod seat is fixed with a plurality of dovetail clamping blocks on one side of the charger, and the dovetail clamping blocks slide correspondingly with the dovetail grooves. A circular groove hole is provided in the middle of the right end face of the tripod seat, and a positioning groove is provided along the edge of the circular groove hole. A freely rotatable buckling piece is provided at the upper limit of the circular groove hole.

[0005] Preferably, the step-down plate group includes a step-down plate shell, a step-down plate, a step-down plate connector plate, a triangular groove and an arc groove, the step-down plate is fixedly installed in the step-down plate shell, and the right side of the step-down plate passes through the step-down plate shell to connect to the step-down plate connector plate.

[0006] Preferably, the right end surface of the pressure reducing plate housing is provided with arc-shaped grooves symmetrically in the front and rear, and a triangular groove is provided in the middle of the arc-shaped groove.

[0007] Preferably, a fixing hole is provided on the buckling piece, the fixing hole is arranged corresponding to the circular groove hole, and a ring-shaped fixing mounting clamp is provided on the left end surface of the buckling piece.

[0008] Preferably, a triangular bayonet is provided at the outer end of the tripod seat, and a latch is provided on the tripod seat for locking.

[0009] Preferably, the latch member is respectively inserted into the fixing hole and the positioning groove correspondingly, and the left end corner of the latch member is butted and engaged with the triangular bayonet.

[0010] Technical effects and advantages of the utility model:

[0011] 1. When the utility model is used, the dovetail clamp block and the dovetail groove are slidably engaged to fix the main body of the clamp device on both sides of the charger, and then the step-down board connector plate is inserted into the charger, and the clamp is inserted into the triangular groove, and the buckling piece on the circular groove hole is rotated. At this time, the clamp and the arc groove slide in a limited position, and the hook end of the clamp provides a locking structure for fixing the step-down board shell, so that different types of step-down boards can be replaced according to charging needs, providing good practical conditions for modular charging, and the external step-down board can facilitate the replacement of the entire board body, and can also facilitate the direct removal and replacement of some capacitors thereon, which greatly facilitates the battery test.

[0012] 2. When the utility model is used, the latch member passes through the fixing hole and the positioning groove, and the left end corner of the latch member is engaged with the triangular bayonet, so as to position the buckled member after the buckle is completed, reduce the falling off after the deviation, and increase the stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure provided by this application;

[0014] Figure 2 It is a structural schematic diagram of the pressure-reducing plate group provided in the present application;

[0015] Figure 3 It is a structural schematic diagram of the buckle device provided by the present application;

[0016] Figure 4 It is a schematic diagram of the structure of the buckling piece provided in this application;

[0017] In the figure: 1. step-down plate assembly; 2. snap-fit ​​device; 3. charger; 4. dovetail groove;

[0018] 11. step-down board housing; 12. step-down board; 13. step-down board connector plate; 14. triangular groove; 15. arc groove;

[0019] 21. Tripod seat; 22. Dovetail clamp block; 23. Circular slot hole; 24. Positioning slot; 25. Buckling piece; 26. Fixing hole; 27. Latch piece; 28. Triangular bayonet; 29. ​​Clamp. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0021] See also Figure 1 In this embodiment, an external snap-on type voltage reducing plate is provided, including a voltage reducing plate group 1, a charger 3 is snap-connected to the right end of the voltage reducing plate group 1, a plurality of dovetail grooves 4 are symmetrically provided on the front and rear sides of the charger 3, a snap-on device 2 is snap-connected to the dovetail groove 4, and the left end of the snap-on device 2 is snap-connected to the voltage reducing plate group 1.

[0022] like Figure 2 As shown, the step-down plate group 1 includes a step-down plate housing 11, a step-down plate 12, a step-down plate connector plate 13, a triangular groove 14 and an arc groove 15. The step-down plate 12 is fixedly installed in the step-down plate housing 11, and the right side of the step-down plate 12 passes through the step-down plate housing 11 to connect to the step-down plate connector plate 13. The right end surface of the step-down plate housing 11 has arc grooves 15 symmetrically arranged in the front and rear, and a triangular groove 14 is arranged in the middle of the arc groove 15.

[0023] like Figures 3-4 As shown, the buckle device 2 includes a tripod seat 21, a dovetail block 22, a circular slot hole 23, a positioning groove 24, a buckling piece 25, a fixing hole 26, a latch piece 27, a triangular bayonet 28 and a clamp 29. The tripod seat 21 is fixedly mounted with a plurality of dovetail blocks 22 on one side of the charger 3. The dovetail blocks 22 slide correspondingly with the dovetail slot 4. A circular slot hole 23 is provided in the middle of the right end surface of the tripod seat 21. A positioning groove 24 is provided along the edge of the circular slot hole 23. A freely rotatable buckling piece 25 is set at the upper limit of the slot hole 23, and a fixing hole 26 is provided on the buckling piece 25, and the fixing hole 26 is arranged corresponding to the circular slot hole 23. An annular fixing mounting clamp 29 is provided on the left end surface of the buckling piece 25, and a triangular bayonet 28 is provided at the outer end of the tripod seat 21. A latch piece 27 is arranged on the tripod seat 21 for engagement, and the latch piece 27 is respectively engaged with the fixing hole 26 and the positioning slot 24, and the left end corner of the latch piece 27 is docked and engaged with the triangular bayonet 28.

[0024] The working principle of the utility model is:

[0025] When the utility model is used, the main body of the buckle device 2 is fixedly installed on both sides of the charger 3 by slidingly engaging between the dovetail clamping block 22 and the dovetail groove 4, and then the step-down board connector plate 13 is inserted into the charger 3, and the clamping member 29 is inserted into the triangular groove 14, and the buckling member 25 on the circular groove hole 23 is rotated. At this time, the clamping member 29 and the arc groove 15 are limitedly slid, and the hook end of the clamping member 29 provides a locking structure for fixing the step-down board housing 11, so that different types of step-down boards 12 can be replaced according to charging needs, providing good use conditions for charging modularization, and at the same time, the pin member 27 passes through the fixing hole 26 and the positioning groove 24, and the left end corner of the pin member 27 is docked and engaged with the triangular bayonet 28, so that the buckling member 25 after the buckle is completed is positioned, reducing the shedding situation after offset and increasing stability.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. An external buckle-type pressure reducing plate, comprising a pressure reducing plate group (1), characterized in that: The right end of the voltage reducing plate group (1) is clamped with a charger (3), and a plurality of dovetail grooves (4) are symmetrically provided on the front and rear sides of the charger (3), and a buckle device (2) is clamped on the dovetail groove (4), and the left end of the buckle device (2) is buckled and connected to the voltage reducing plate group (1); The buckle device (2) comprises a tripod seat (21), a dovetail clamping block (22), a circular slot hole (23), a positioning groove (24), a buckling piece (25), a fixing hole (26), a latch piece (27), a triangular bayonet (28) and a clamping piece (29). A plurality of dovetail clamping blocks (22) are fixedly mounted on one side of the tripod seat (21) close to the charger (3). The dovetail clamping blocks (22) slide correspondingly with the dovetail slot (4). A circular slot hole (23) is provided in the middle of the right end surface of the tripod seat (21). A positioning groove (24) is provided along the edge of the circular slot hole (23). A buckling piece (25) that can rotate freely is provided at the upper limit of the circular slot hole (23).

2. The external buckle-type pressure reducing plate according to claim 1, characterized in that: The pressure reducing plate group (1) comprises a pressure reducing plate housing (11), a pressure reducing plate (12), a pressure reducing plate connector plate (13), a triangular groove (14) and an arc groove (15); the pressure reducing plate (12) is fixedly installed in the pressure reducing plate housing (11); the right side of the pressure reducing plate (12) passes through the pressure reducing plate housing (11) and is connected to the pressure reducing plate connector plate (13).

3. The external buckle-type pressure reducing plate according to claim 2, characterized in that: The right end surface of the pressure reducing plate housing (11) is provided with an arc-shaped groove (15) symmetrically arranged in the front and rear directions, and a triangular groove (14) is arranged in the middle of the arc-shaped groove (15).

4. The external buckle-type pressure reducing plate according to claim 1, characterized in that: The buckling piece (25) is provided with a fixing hole (26), the fixing hole (26) is arranged corresponding to the circular groove hole (23), and a ring-shaped fixing mounting clamp (29) is provided on the left end surface of the buckling piece (25).

5. The external buckle-type pressure reducing plate according to claim 1, characterized in that: The tripod seat (21) is provided with a triangular bayonet (28) at the outer end thereof, and a latch member (27) is arranged on the tripod seat (21) for engagement.

6. The external buckle-type pressure reducing plate according to claim 5, characterized in that: The latch member (27) is respectively plugged into the fixing hole (26) and the positioning groove (24), and the left end corner of the latch member (27) is docked and engaged with the triangular bayonet (28).

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