Butt joint for serially connecting energy storage batteries

Abstract

The utility model discloses a butt joint for serially connecting energy storage batteries, which comprises two adjacent battery shells, each battery shell comprises a positive electrode end and a negative electrode end, battery main bodies needing to be serially connected are clamped in the battery shells, and positive electrodes and negative electrodes of the battery main bodies correspond to the positive electrode ends and the negative electrode ends. Binding posts are rotationally mounted at the two ends of the battery shells respectively, and butt joints are fixedly mounted at one ends of the two battery shells. According to the utility model, the guide wheel is arranged, and the metal wire is tightly attached and wound on the binding post through the guide effect of the guide wheel and the binding post, so that electric conduction can be realized, manual contact with the metal wire is not needed in the winding process, and electric shock danger is prevented; and the wire groove is formed, wires are stored and fixed after connection is completed, the wires are prevented from being exposed to cause accidents, meanwhile, the wires are prevented from sliding off through the limiting effect of the elastic clamping ring, and the better fixing effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of energy storage battery, concretely for a kind of butt joint for series energy storage battery. BACKGROUND

[0002] Energy storage technology is the technology that energy is stored by physics or chemistry for use when needed, and can be classified into mechanical, electromagnetic, electrochemical, thermal and chemical according to storage medium. Electrochemical energy storage is flexible and efficient, with lower total investment cost and longer service life, and has developed rapidly in recent years. Energy storage battery module is an important electrochemical energy storage module, mainly composed of a plurality of battery monomers connected in series / parallel, and only one pair of positive and negative terminal, also known as battery pack. When connected in series, the positive terminal of the first battery is connected to the negative terminal of the second battery, and the series connection of the energy storage battery is carried out in this way.

[0003] The prior art has the following disadvantages: if wires are used for series connection, the metal wires at both ends of the wires are manually wound to the positive and negative terminals, which is labor-intensive, and the metal wires must be in contact with the terminal post to ensure conduction. At the same time, the wires are exposed, which may be dangerous during power-on. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a butt joint for series energy storage battery to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a butt joint for series energy storage battery, comprising two adjacent battery housings, the battery housing comprises a positive terminal and a negative terminal, the battery housing internally clamps a battery body that needs to be connected in series, the positive and negative terminals of the battery body correspond to the positive terminal and the negative terminal, terminal posts are rotatably installed at both ends of the battery housing, a butt joint is fixedly installed at one end of the two battery housings, a movable cavity is symmetrically formed in the butt joint, a guide wheel that can rotate is installed in the movable cavity, wire holes are symmetrically formed on one side of the butt joint, clamping columns that can drive the terminal posts to rotate are symmetrically provided on the top of the butt joint, and limiting columns that can limit the movement of the guide wheels are symmetrically provided on the side of the butt joint away from the wire holes.

[0006] As a further preferred embodiment of the present technical solution, the movable cavity is correspondingly arranged with the terminal post, a plurality of fixed shafts are fixedly installed in the movable cavity, the fixed shafts are arranged in a ring array, and a guide wheel is rotatably installed outside the fixed shaft.

[0007] As a further preferred embodiment of the present technical solution, the wire holes are in communication with the movable cavity through the side wall of the butt joint, and a wire slot is formed in the middle of the side of the butt joint close to the wire holes.

[0008] As a further preferred of the technical solution, the terminal post is provided with a clamping slot in the top, the clamping slot is cross-shaped, the top of the adapter is provided with a circular through hole symmetrically, the circular through hole is arranged correspondingly with the terminal post, one end of the clamping column is clamped in the clamping slot, and the other end of the clamping column is fixedly installed with a handle.

[0009] As a further preferred of the technical solution, the adapter is provided with four sliding grooves symmetrically on the side away from the wire hole, the sliding grooves are communicated with the movable cavity through the side wall of the adapter, the middle part of the four guide wheels near the sliding grooves is provided with an annular groove, a limiting column is slidably installed in the sliding groove, the end of the limiting column near the annular groove is fixedly installed with an elastic clamping ring, and the end of the four limiting columns away from the guide wheels is fixedly installed with a pull plate.

[0010] As a further preferred of the technical solution, the two terminal posts are connected with a metal wire, an insulating sleeve is arranged on the outer side of the middle part of the metal wire, and the diameter of the insulating sleeve is the same as that of the wire groove.

[0011] The utility model provides a kind of adapter for series energy storage battery, with the following beneficial effects:

[0012] (1) the utility model sets up guide wheel, is tightly adhered to be wound on terminal post by the guiding effect of guide wheel and terminal post, can conduct electricity, and in the winding process, without manual contact metal wire, prevent electric shock danger.

[0013] (2) the utility model sets up wire groove, after being connected, wire is stored and fixed, prevents wire from being exposed and happening accident, simultaneously, by the limiting effect of elastic clamping ring, prevent wire from sliding, play better fixed effect. DRAWINGS

[0014] Figure 1 it is the first view schematic drawing of the overall structure of the utility model;

[0015] Figure 2 it is the second view schematic drawing of the overall structure of the utility model;

[0016] Figure 3 it is the transverse sectional view of the adapter of the utility model;

[0017] Figure 4 it is the longitudinal sectional view of the adapter of the utility model;

[0018] Figure 5 it is the adapter structure unfolding schematic drawing of the utility model;

[0019] Figure 6The utility model discloses a butt joint installation schematic diagram of the utility model.

[0020] Figure 7 The utility model discloses a guide wheel limiting structure schematic diagram of the utility model.

[0021] Figure 8 The utility model discloses a wire connection schematic diagram.

[0022] In the drawing: 1, battery shell, 11, positive terminal, 12, negative terminal, 2, battery main body, 3, binding post, 31, clamping groove, 4, butt joint, 41, movable cavity, 42, fixed shaft, 43, guide wheel, 5, wire hole, 51, wire slot, 6, clamping column, 61, round through hole, 62, handle, 7, limiting column, 71, sliding groove, 72, annular groove, 73, elastic clamping ring, 74, pull plate, 8, wire, 81, insulating sleeve. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] With reference to Figures 1-5 The utility model provides technical scheme: a butt joint for series connection energy storage battery, including two adjacent battery shell 1, the battery shell 1 includes positive terminal 11 and negative terminal 12, the battery shell 1 inside clamping has the battery main body 2 that needs to be connected in series, the positive and negative pole of battery main body 2 corresponds with positive terminal 11, negative terminal 12, the battery shell 1 both ends are rotatably installed with binding post 3, and binding post 3 also corresponds and divides positive and negative pole, and one end fixed mounting of two battery shell 1 has butt joint 4, and butt joint 4 is convenient for the winding of wire and guarantees security, the inside symmetry of butt joint 4 is set up movable cavity 41, and wire is wound in movable cavity 41, and the movable cavity 41 is installed with the guide wheel 43 of being able to rotate, and guide wheel 43 can drive wire to rotate, and it is favorable to the winding of wire, the one side symmetry of butt joint 4 is set up wire hole 5, and the diameter of wire hole 5 is slightly greater than the diameter of wire both ends metal wire 8, and it is convenient for metal wire 8 to pass through, the top symmetry of butt joint 4 is provided with the clamping column 6 of being able to drive binding post 3 to rotate, and the section of clamping column 6 is cross-shaped, the side symmetry of butt joint 4 away from wire hole 5 is provided with the limiting column 7 of being able to limit guide wheel 43 movement, after wire winding is completed, utilizes limiting column 7 to limit the rotation of guide wheel 43, prevents wire from separating.

[0025] With reference to Figure 3 And Figure 8In this embodiment, specifically: the movable cavity 41 is arranged corresponding to the terminal post 3, a plurality of fixed shafts 42 are fixedly installed inside the movable cavity 41, the plurality of fixed shafts 42 are arranged in an annular array, and one fixed shaft 42 is arranged at a position corresponding to the wire hole 5, so that the metal wire 8 can pass through. The fixed shaft 42 is rotatably installed outside the fixed shaft 42, the distance from the outside of the guide wheel 43 to the terminal post 3 is the same as the diameter of the metal wire 8, so that the metal wire 8 always contacts the terminal post 3 during winding, can conduct electricity, and the first guide wheel 43 is arranged at a position enabling the metal wire 8 to enter the wire hole 5 and keep the path, directly contact the terminal post 3 and the guide wheel 43, and start winding under the guidance of the terminal post 3 and the guide wheel 43.

[0026] Referring to Figure 3 and Figure 4 In this embodiment, specifically: the wire hole 5 penetrates through the side wall of the butt joint 4 and communicates with the movable cavity 41, so that the metal wire 8 can pass through. The wire groove 51 is arranged in the middle of the side of the butt joint 4 close to the wire hole 5. The curvature of the wire groove 51 is greater than half a circle.

[0027] Referring to Figure 5 and Figure 8 In this embodiment, specifically: the terminal post 3 is provided with a clamping groove 31 at the top. The clamping groove 31 is in a cross shape, which is not easy to slip during rotation. The butt joint 4 is provided with a circular through hole 61 at the top. The circular through hole 61 is arranged corresponding to the terminal post 3. One end of the clamping column 6 is clamped in the clamping groove 31. The other end of the clamping column 6 is fixedly installed with a handle 62, which is convenient for the operator to rotate.

[0028] Referring to Figure 5 and Figure 7 In this embodiment, specifically: four slide grooves 71 are symmetrically arranged on the side of the butt joint 4 away from the wire hole 5. The slide grooves 71 penetrate through the side wall of the butt joint 4 and communicate with the movable cavity 41. The middle of four guide wheels 43 close to the slide grooves 71 is provided with an annular groove 72. The slide grooves 71 are slidably installed with limiting columns 7. One end of the limiting column 7 close to the annular groove 72 is fixedly installed with an elastic clamping ring 73. The curvature of the elastic clamping ring 73 is also greater than half a circle, which can play a clamping role. The inner diameter of the elastic clamping ring 73 is the same as the inner diameter of the annular groove 72. After the wire winding is completed, the elastic clamping ring 73 is clamped into the annular groove 72, which can limit the rotation of the guide wheel 43 and prevent the metal wire 8 from loosening. The other end of the four limiting columns 7 away from the guide wheel 43 is fixedly installed with a pull plate 74, which is convenient for the operator to pull the limiting column 7 to drive the elastic clamping ring 73 to move.

[0029] Referring to Figure 6 and Figure 8In the embodiment, specifically, the metal wire 8 is connected between the two terminals 3, the middle part of the metal wire 8 is sleeved with an insulating sleeve 81 outside, the diameter of the insulating sleeve 81 is same with the diameter of the wire slot 51, the insulating sleeve 81 is pressed into the wire slot 51 and is clamped to play a storage role due to the elasticity of the insulating sleeve 81.

[0030] Working principle, in the use process, the metal wire 8 at both ends of an electric wire is respectively threaded through the wire hole 5, the metal wire 8 enters the gap between the guide wheel 43 and the terminal 3, the clamping column 6 is rotated by rotating the handle 62, the terminal 3 is rotated, the metal wire 8 is wound around the terminal 3 under the guidance of the terminal 3 and the guide wheel 43, after winding several turns, the limiting column 7 and the elastic clamping ring 73 are driven to move inward by pushing the pull plate 74, the elastic clamping ring 73 is clamped into the annular groove 72, the corresponding guide wheel 43 cannot move, the metal wire 8 is not easy to be separated, after winding at both ends, the insulating sleeve 81 is pressed into the wire slot 51 to play a storage and fixing role for the electric wire.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A butt joint for connecting energy storage batteries in series, comprising two adjacent battery housings (1), characterized in that: The battery housing (1) comprises a positive terminal (11) and a negative terminal (12); a battery body (2) to be connected in series is engaged inside the battery housing (1); the positive and negative electrodes of the battery body (2) correspond to the positive terminal (11) and the negative terminal (12); a terminal (3) is rotatably mounted on both ends of the battery housing (1); a docking joint (4) is fixedly mounted on one end of the two battery housings (1); a movable cavity (41) is symmetrically provided inside the docking joint (4); a rotatable guide wheel (43) is installed inside the movable cavity (41); a wire hole (5) is symmetrically provided on one side of the docking joint (4); a locking column (6) capable of driving the terminal (3) to rotate is symmetrically provided on the top of the docking joint (4); and a limiting column (7) capable of limiting the movement of the guide wheel (43) is symmetrically provided on the side of the docking joint (4) away from the wire hole (5).

2. A butt joint for series-connected energy storage batteries according to claim 1, characterized in that: The movable cavity (41) is arranged corresponding to the terminal (3), and a plurality of fixed shafts (42) are fixedly installed inside the movable cavity (41). The plurality of fixed shafts (42) are distributed in a ring array, and a guide wheel (43) is rotatably installed outside the fixed shaft (42).

3. The docking connector for series-connected energy storage batteries according to claim 1, characterized in that: The wire hole (5) passes through the side wall of the docking joint (4) and is in communication with the movable cavity (41). A wire groove (51) is provided in the middle of one side of the docking joint (4) close to the wire hole (5).

4. The docking connector for series-connected energy storage batteries according to claim 1, characterized in that: A slot (31) is provided on the top of the terminal post (3), and the slot (31) is cross-shaped. A circular through hole (61) is symmetrically provided on the top of the docking connector (4), and the circular through hole (61) is arranged corresponding to the terminal post (3). One end of the engaging post (6) is engaged in the slot (31), and a rotating handle (62) is fixedly mounted on the other end of the engaging post (6).

5. The docking connector for series-connected energy storage batteries according to claim 1, characterized in that: Four sliding grooves (71) are symmetrically provided on one side of the docking joint (4) away from the wire hole (5), and the sliding grooves (71) penetrate the side wall of the docking joint (4) and are connected to the movable cavity (41), wherein an annular groove (72) is provided in the middle of the four guide wheels (43) close to the side of the sliding groove (71), and a limiting column (7) is slidably installed in the sliding groove (71), and an elastic snap ring (73) is fixedly installed on one end of the limiting column (7) close to the annular groove (72), and a pull plate (74) is fixedly installed on one end of the four limiting columns (7) away from the guide wheel (43).

6. The docking connector for series-connected energy storage batteries according to claim 3, characterized in that: A metal wire (8) is connected between the two terminal posts (3), and an insulating sleeve (81) is sleeved on the outer side of the middle portion of the metal wire (8), wherein the diameter of the insulating sleeve (81) is the same as the diameter of the wire trough (51).

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