Detachable battery pack with locking structure and tool handle with battery locking ring

Abstract

The invention relates to a detachable battery pack with a locking structure and a tool handle with a battery locking ring, the detachable battery pack with the locking structure comprises an upper shell, a lower shell and a battery core assembly arranged in the upper shell and the lower shell, and the detachable battery pack is characterized by further comprising the locking ring for locking the battery pack and an electric tool, the locking ring is arranged at the lower end of the lower shell in a sleeving mode, and the locking ring and the lower shell are provided with locking mechanisms which can be matched in a concave-convex mode to form locking. The locking buckle and the locking ring on the battery assembly are matched, clamped and locked in a concave-convex mode through rotation, the locking ring is movably connected to the tool handle, and when the battery assembly is mounted and dismounted, the locking ring does not need to be dismounted, and the locking ring cannot be separated from the tool handle and cannot be lost.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of batteries and power tools, and particularly relates to a tool handle with a battery locking ring and a detachable battery with a locking structure installed in the tool handle of a power tool. BACKGROUND

[0002] Handheld small power tools are widely used in various work sites. In order to improve the convenience of power supply, handheld power tools are usually powered by battery packs or battery assemblies. In order to facilitate users to replace the battery in time when the battery is running out, the battery assembly is detachably installed in the handle of the power tool, and an end cover is rotationally connected at the end of the tool handle to fix the battery assembly. When replacing the battery, the end cover needs to be rotated to open and remove the battery assembly. Since the end cover is completely separated from the tool handle after being rotated open, the end cover is often lost due to not being timely reconnected with the tool handle during use.

[0003] The existing patent with the publication number CN222927687U provides a battery device and an electric device with the same, the battery device comprising: a box body, the box body comprising a side beam, the side beam comprising a first wall and a second wall arranged at intervals in a first direction, the side beam being provided with a fixing hole penetrating through the first wall and the second wall along the first direction; a sleeve piece provided in the fixing hole, the sleeve piece being clamped with the first wall and / or the second wall, the sleeve piece being formed with an assembly hole penetrating through the sleeve piece along the first direction, wherein the sleeve piece comprises: a first sleeve and a second sleeve arranged along the first direction and detachably connected. When the first sleeve and the second sleeve are separated, if they are not reconnected in time, the first sleeve is easy to be lost, which brings inconvenience to the operator. SUMMARY

[0004] The present application mainly aims at the technical deficiency that the related accessories of the existing power tool handle related to the disassembly and replacement of the battery assembly are easy to be lost, and invents a detachable battery with a locking structure. The locking buckle on the battery assembly and the locking ring are matched and locked by rotation, the locking ring is movably connected to the tool handle, and when the battery assembly is installed and disassembled, the locking ring does not need to be disassembled, the locking ring will not be separated from the tool handle, and will not be lost.

[0005] A tool handle with a battery locking ring is also invented. The locking ring is a hollow ring, the locking ring is movably connected to the open end of the tool handle, the battery pack assembly is inserted into the handle from the open end, and the battery pack assembly is locked by rotating the locking ring; the end of the battery pack assembly is exposed to the locking ring, and when it needs to be replaced, the battery assembly can be taken out by directly grabbing the end of the battery pack assembly after the locking ring is unlocked by rotation, which is convenient to disassemble and assemble and the accessories will not be lost.

[0006] The above technical problem of the present application is solved by the following technical scheme: a detachable battery pack with a locking structure, comprising an upper shell, a lower shell, a battery cell assembly arranged inside the upper shell and the lower shell, and a locking ring for locking the battery pack and a power tool, the locking ring being sleeved on the lower end of the lower shell, and the locking ring and the lower shell being provided with a locking mechanism capable of being concave-convex matched to form a lock.

[0007] As a preferred, the locking mechanism comprises a locking buckle arranged on the inner side of the locking ring and opposite to the protrusion, a sliding groove arranged on the lower end side wall of the lower shell and opposite to the inner recess, and a buckle groove, the sliding groove extending axially upward from the edge of the lower end side wall of the lower shell, and the buckle groove being located on one side of the sliding groove and communicating with the sliding groove, the locking buckle being capable of passing through the sliding groove, and the locking buckle being capable of being embedded in the buckle groove by rotating. The sliding groove is designed to extend axially upward from the edge of the lower end of the lower shell, so that when the battery pack is inserted, the locking buckle can move axially along the sliding groove, and preliminary positioning can be completed without rotating, thereby reducing the assembly difficulty; the buckle groove is in communication with the sliding groove and located on one side, and the buckle groove is engaged by rotating, so that after the battery pack is inserted in place, the locking ring is rotated to make the buckle enter the buckle groove from the sliding groove, the battery pack is limited from falling off by the resistance between the buckle and the buckle groove, and reliable locking is formed.

[0008] As a preferred, one end of the buckle groove is provided with a second buckle groove which is further recessed, and two ends of the locking buckle are provided with second buckles which are further protruded, and the second buckles can be embedded in the second buckle groove. The second buckle groove which is further recessed and the second buckles which are further protruded enhance the clamping force of the locking buckle and the buckle groove, limit the reverse rotation of the locking ring, avoid the accidental loosening of the locking ring in the high-frequency vibration scene of the power tool, and improve the use efficiency.

[0009] As a preferred, the inner wall of the locking ring is provided with two or more locking buckles which are uniformly distributed along the circumference; and the number of the sliding grooves and the buckle grooves arranged on the outer side wall of the lower end of the lower shell is the same as that of the locking buckles, and the positions of the sliding grooves and the buckle grooves correspond to the positions of the locking buckles one by one. The two or more locking buckles which are uniformly distributed and the buckle grooves which correspond to the locking buckles one by one realize multi-point symmetrical locking and improve the stability of the locking.

[0010] As a preferred, the outer side wall of the lower end of the lower shell is provided with anti-skid lines. The friction force when the hand holds is increased, and the battery is convenient to take out from the handle shell.

[0011] As a preferred, at least two U-shaped notches for conveniently grabbing the battery with fingers are arranged on the side wall of the locking ring. The shape of the U-shaped notches conforms to the bending radius of the fingers, the comfort degree is high when grabbing, and the symmetrical layout can ensure the moment balance when the locking ring rotates, thereby reducing the operation difficulty.

[0012] Preferably, the outer side wall of the locking ring is provided with an anti-skid part. The anti-skid part provided on the locking ring increases the friction, facilitating the rotation of the locking ring by the user.

[0013] Preferably, the upper end of the battery cell assembly is provided with a plug-in wiring terminal having both wiring and limiting functions, a charging interface for charging the battery cell assembly, a charging indicator lamp for displaying the charging state, and a charging trigger switch for turning on or off the charging; the upper shell is provided with mounting through holes corresponding to the positions of the plug-in wiring terminal, the charging interface, and the charging trigger switch. The mounting through holes provided at the corresponding positions of the upper shell make the components exposed for easy operation and observation, and at the same time, the upper shell protects the components from damage caused by collision.

[0014] Preferably, the side wall of the battery cell assembly is provided with an indicator lamp for displaying the battery power and a switch for turning on the indicator lamp; the upper end of the battery cell assembly is provided with a positioning holder, and the positioning holder is provided with a charging interface for charging the battery; the upper shell is provided with a jack hole corresponding to the position of the charging interface; the side wall of the lower shell is provided with a plurality of through holes corresponding to the positions of the indicator lamps, which facilitate the light transmission; and the side wall of the lower shell is provided with an elastic pressing piece corresponding to the position of the switch. The switch on the battery cell assembly is in conduction with the indicator lamp, and the battery power can be displayed by pressing the switch, which is convenient and has the function of information interaction; the positioning holder is used to fix the upper shell, so that the upper shell is not easily dislocated due to vibration during work, and the positioning holder also has the function of protecting the internal circuit structure and reducing the extrusion of the circuit structure during the installation of the battery. It should be noted that the elastic pressing piece has a certain elasticity and can be pressed downward within a certain range, so as to touch the switch on the surface of the battery cell assembly and display the battery power.

[0015] A tool handle with a battery locking ring, comprising a handle shell, a detachable battery with a lock provided in the handle shell, and the handle shell being hollow inside, one end of the handle shell being an open end through which the battery is pushed in, characterized in that the detachable battery with the lock, the upper shell of which extends into the handle shell, and the lower shell of which is exposed at the open end of the handle shell; the locking ring is movably connected to the open end of the handle shell and can rotate relative to the handle shell; at the same time, the locking buckle on the locking ring is embedded in the buckle groove on the lower shell by rotating.

[0016] Preferably, the open end of the handle shell and the connection part of the handle shell and the locking ring are provided with an annular groove; the connection part of the locking ring and the handle shell is provided with an annular boss, and the annular groove is matched with the annular boss. The handle shell and the locking ring can rotate relative to each other without being separated from each other; when the battery is installed or removed, the battery can be locked or unlocked by rotating the locking ring, which is efficient and convenient.

[0017] As preferred, the handle shell is internally provided with a support plate for supporting the battery, and the support plate is provided with a female plug hole capable of being plugged with the plug-in terminal.

[0018] As preferred, the handle shell is internally provided with a limiting surface for limiting the angle of battery insertion.

[0019] A tool handle with a battery locking ring, comprising a handle shell, a detachable battery with a lock provided in the handle shell, and the handle shell being hollow, and one end of the handle shell being an open end through which the battery is inserted, characterized in that the detachable battery with the lock has an upper shell extending into the handle shell and a lower end of a lower shell exposed at the open end of the handle shell; the locking ring is movably connected to the open end of the handle shell and can rotate relative to the handle shell; and a locking buckle on the locking ring is embedded in a buckle groove on the lower shell by rotation.

[0020] As preferred, the open end of the handle shell and the connection part of the locking ring are provided with an annular groove, and the connection part of the locking ring and the handle shell is provided with an annular boss, and the annular groove is matched with the annular boss. The profile of the annular groove is matched with the profile of the annular boss, so that the locking ring can rotate freely at the open end of the handle shell and will not be lost, and the use efficiency of the product is improved.

[0021] As preferred, the handle shell is internally provided with a support plate for supporting the battery, and the support plate is provided with at least two insertion pieces; the end of the upper shell is in contact with the support plate, and the upper shell is provided with insertion piece holes corresponding to the two insertion pieces, and the insertion piece holes are provided with conductive connecting pieces. When installed, the insertion pieces are in contact with the conductive connecting pieces to realize conduction, and the insertion pieces calibrate the insertion of the battery to prevent misplacement of the battery.

[0022] As preferred, the handle shell is internally provided with a limiting surface for limiting the angle of battery insertion. When the battery is inserted, the limiting surface limits the direction of the battery to prevent misplacement of the battery.

[0023] Compared with the prior art, the present application has the following advantages: The battery is inserted into the handle shell through the locking ring, and the battery is locked by rotating the locking ring. The device is easy to install, the locking ring is connected with the handle, the locking ring is not easy to fall off and lost, the practicality is improved, and convenience is brought to the user.

[0024] The charging port for charging the battery is arranged on the battery cell assembly, the power bank function is provided, and the power display is provided, so that the user is convenient to use and the information interaction is improved.

[0025] The battery in the tool handle of the present application is detachable and replaceable. When the battery is damaged, the tool handle will not be scrapped together. The tool life is prolonged by detaching and replacing the battery. For safety reasons, many tools with built-in batteries have many strict restrictions on sea and air transportation. After detaching the battery in the tool, transportation is facilitated and safety requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structure diagram of the detachable battery with a lock catch of the present application; Figure 2 is a structure diagram of the locking ring of the present application; Figure 3 is a sectional view of the locking ring of the present application; Figure 4 is an assembly state diagram of the upper shell, the lower shell and the battery cell assembly of the present application; Figure 5 is a disassembly state diagram of the upper shell, the lower shell and the battery cell assembly of the present application; Figure 6 is an explosion diagram of the battery cell assembly of the present application; Figure 7 is a partial sectional view of the tool handle with a locking ring of the present application; Figure 8 is a structure diagram of the tool handle with a locking ring of the present application; Figure 9 is a disassembly state diagram of the tool handle and the battery of the present application; Figure 10 is a disassembly state diagram of the tool handle, the battery and the locking ring of the present application; Figure 11 is an assembly state diagram of the tool handle and the battery of the present application; Figure 12 is a structure diagram of the detachable battery with a lock catch of the second embodiment of the present application; Figure 13 is an assembly state diagram of the upper shell, the lower shell and the battery cell assembly of the second embodiment of the present application; Figure 14 is a disassembly state diagram of the upper shell, the lower shell and the battery cell assembly of the second embodiment of the present application; Figure 15 is a partial sectional view of the tool handle with a locking ring of the second embodiment of the present application; Figure 16 is a disassembly state diagram of the tool handle and the battery of the second embodiment of the present application; Figure 17 is a disassembly state diagram of the tool handle, the battery and the locking ring of the second embodiment of the present application; Figure 18 This is a schematic diagram of the assembly state of the tool handle and battery in the second embodiment of the present invention.

[0027] The diagram is labeled as follows: 1. Upper housing; 11. Second platform; 12. Insertion hole; 13. Insertion plate hole; 2. Lower housing; 21. Anti-slip texture; 22. Slide groove; 23. Snap-on groove; 231. Second snap-on groove; 24. First platform; 25. Elastic pressing element; 26. Through hole; 3. Battery cell assembly; 301. Plug-in terminal block; 303. Charging indicator light; 304. Charging trigger switch; 305. Circuit board; 3051. First oblong hole; 3052. Second oblong hole; 3053. Light-emitting element; 306. Support ring; 307. First gasket; 308. Second gasket; 309. First conductive sheet; 310. Second conductive sheet; 311. Third gasket; 31. Indicator light; 32. Switch; 33. Positioning bracket; 34. Charging interface; 35. Conductive connecting piece; 4. Locking ring; 41. Locking buckle; 411. Second buckle; 42. Anti-slip part; 43. U-shaped notch; 44. Annular boss; 5. Handle housing; 50. Open end; 501. Interlocking hole; 51. Support plate; 511. Insert piece; 52. Annular groove. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Example 1 like Figures 1 to 5 As shown, a detachable battery pack with a locking structure mainly consists of an upper housing 1, a lower housing 2, and battery cell assemblies 3 disposed inside the upper housing 1 and the lower housing 2. It also includes a locking ring 4 for locking the battery pack and a power tool. The locking ring 4 is sleeved on the lower end of the lower housing 2, and the locking ring 4 and the lower housing 2 are provided with a locking mechanism that allows for a convex-concave fit to form a lock. A locking ring 4 is sleeved on the lower end of the lower housing 2 to lock the detachable battery and the handle of the power tool; the locking ring 4 and the lower housing 2 are provided with a locking mechanism that allows for a convex-concave fit to form a lock.

[0030] Specifically, the locking mechanism includes a locking buckle 41 that is relatively protruding inside the locking ring 4, a sliding groove 22 and a buckle groove 23 that are relatively concave on the lower end side wall of the lower housing 2. The sliding groove 22 extends axially upward from the edge of the lower end side wall of the lower housing 2, and the buckle groove 23 is located on one side of the sliding groove 22 and communicates with the sliding groove 22. When the removable battery is passed through the locking ring 4, the locking buckle 41 on the locking ring 4 slides along the sliding groove 22, and then the locking ring 4 is rotated so that the locking buckle 41 is embedded in the buckle groove 23, and the two form a lock.

[0031] The locking buckle 41 is further provided with a second buckle 411, and the side of the buckle slot 23 is further provided with a second buckle slot 231 matched with the second buckle 411. When the battery is pushed in, the locking buckle 41 will enter the sliding slot 22 under the pushing force; then the locking ring 4 is rotated to make the locking buckle 41 rotate into the buckle slot 23, and a certain rotating force is applied to the locking buckle 41, so that the second buckle 411 at the front end of the locking buckle 41 is clamped into the second buckle slot 231, thereby better locking the battery.

[0032] In the embodiment, the inner wall of the locking ring 4 has two protruding locking buckles 41, and the two locking buckles 41 are symmetrically distributed; at the same time, the outer side wall of the lower shell 2 at the lower end has two symmetric sliding slots 22 and two buckle slots 23, and each sliding slot 22 has a buckle slot 22 on one side; the positions of the sliding slot 22 and the buckle slot 23 correspond to the positions of the locking buckles 41 one by one. The outer side wall of the lower end of the lower shell 2 has a plurality of concave-convex anti-skid lines 21 to increase the friction when the fingers are grabbed, so that the detachable battery can be easily taken out of the handle shell 5; moreover, the side wall of the locking ring 4 has two symmetric U-shaped notches 43, which are convenient for two fingers to grab the detachable battery from the U-shaped notches 43. The outer side wall of the locking ring 4 has protruding granular anti-skid parts 42, which increase the friction when the hand contacts the anti-skid parts 42, thereby facilitating the user to rotate the locking ring 4.

[0033] The upper end of the battery cell assembly 3 is provided with a plug-in type terminal 301 with wiring function and limiting function, a charging interface 34 for charging the battery cell assembly 3, a charging indicator lamp 303 for displaying the charging state, and a charging trigger switch 304 for turning on or off the charging. In the embodiment, the terminal 301 is a three-pin lithium battery plug-in terminal, the charging interface 34 is a common Type-C charging interface, and the charging indicator lamp 303 is a transparent part wrapped around the upper end of the battery cell assembly 3, which is used to support the upper shell 1 to prevent the circuit board from being squeezed when the battery is pushed into the handle, and also used to make the light of the light-emitting part 3053 transparent. The upper shell 1 is provided with a mounting through hole corresponding to the plug-in type terminal 301, the charging interface 34, and the charging trigger switch 304. It should be noted that the mounting through hole corresponding to the plug-in type terminal 301 is outside the charging interface 34, and the charging indicator lamp 303 is partially exposed through the mounting through hole, so that the light of the charging indicator lamp 303 can be easily observed by the user. The outer surface of the corresponding mounting through hole has a certain protective property, which wraps around the charging interface 34 to prevent damage to the charging interface 34 during storage or use.

[0034] As Figure 6As shown, a circuit board 305 is electrically connected below the plug-in terminal block 301, the charging trigger switch 304, and the charging interface 34. The circuit board 305 includes a first oblong hole 3051 and a second oblong hole 3052, which penetrate the circuit board 305. A light-emitting element 3053 is also provided on the surface of the circuit board 305. The light-emitting element 3053 uses different colors to display the battery level and charging status. The light-emitting element 3053 displays light to the user through a transparent charging indicator light 303, improving information interaction. A support ring 306 is provided below the circuit board 305. The support ring 306 is used to prevent the circuit board 305 from bearing concentrated force when the plug-in terminal block 301 is inserted into the plug hole 501. The force is transferred to the metal casing of the battery cell assembly 3 through the support ring 306, thereby protecting the circuit board 305. 05. Protection is provided; the lower end of the support ring 306 abuts against the upper end of the cell assembly 3, and a first gasket 307 and a second gasket 308 are provided inside it. The first gasket 307 is set as a foamed insulating gasket or an insulating gasket with a certain deformation capacity to reduce the damage to the cell caused by the squeezing force of the upper parts. In addition, the second gasket 308 is set as a hard insulating gasket to make the cell integrated structure more compact and stable. It should be noted that in this embodiment, the second gasket 308 is an annular gasket. A first conductive sheet 309 is provided inside the annular part of the second gasket 308. One end of the first conductive sheet 309 is attached to and electrically connected to the cell, and the other end passes through the second gasket 308, the first gasket 307 and the circuit board 305 from bottom to top, and comes out from the first waist hole 3051 to realize the positive electrical connection between the cell and the circuit board 305. Additionally, a second conductive sheet 310 is provided on the outer wall of the battery cell assembly 3. The second conductive sheet 310 extends along the axial direction of the battery cell assembly 3. One end of the second conductive sheet 310 is attached to the bottom of the battery cell assembly 3, and the other end extends into the second oblong hole 3052 in the circuit board 305, so as to realize the negative electrical connection between the circuit board 305 and the battery cell assembly 3. A third gasket is provided at the bottom of the battery cell assembly 3 to play a buffering and protective role.

[0035] Example 2 Compared with Example 1, the distinguishing feature of this example is: like Figures 12 to 14 As shown, the side wall of the battery cell assembly 3 is provided with an indicator light 31 for displaying the battery power and a switch 32 for turning on the indicator light 31; the upper end of the battery cell assembly 3 is provided with a positioning bracket 33, and the positioning bracket 33 is provided with a charging interface 34 for charging the battery; the upper housing 1 is provided with a socket 12 corresponding to the charging interface 34; the side wall of the lower housing 2 is provided with several through holes 26 to facilitate the light to pass through the indicator light 31; the side wall of the lower housing 2 is provided with an elastic pressing member 25 corresponding to the switch 32.

[0036] In this embodiment, the indicator light 31 for displaying the battery power is arranged on the side wall of the battery cell assembly 3, and there are four indicator lights 31 arranged axially along the battery cell assembly 3, and the switch 32 is electrically connected with the indicator light 31 and arranged below the indicator light 31; the positioning holder 33 is arranged on the upper end of the battery cell assembly 3, and also has the function of supporting the upper shell 1 and preventing the circuit board from being extruded when the battery is pushed into the handle, but it can not be a transparent piece, and has a certain supporting effect. The outer side wall of the upper shell 1 is provided with three plug holes 13 for exposing the three conductive connecting pieces 35 inside, and the three conductive connecting pieces 35 are respectively a positive nickel piece, a negative nickel piece and a T nickel piece. The positive nickel piece and the negative nickel piece serve as the common positive and negative poles of the battery, and the T nickel piece serves as the temperature protection function. And the first circuit control board 36 is also arranged on the positioning holder 33, which is used to control the switch 32 and detect the control of the temperature inside the battery. The control switch 32 is electrically connected with the indicator light 31. When the internal temperature of the battery is too high, the T nickel piece is connected with the first circuit control board 36, so that the first circuit control board 36 receives the temperature signal of the T nickel piece, thereby controlling the power-off of the battery, protecting the service life of the battery and equipment, and providing favorable protection for the operator.

[0037] The side wall of the lower shell 2 is provided with four through holes 26 corresponding to the positions of the indicator lights 31 for facilitating light transmission; the side wall of the lower shell 2 is provided with an elastic pressing piece 25 corresponding to the position of the switch 32. The elastic pressing piece 25 has a certain elasticity and can be extruded downward within a certain range, thereby actuating the switch 32 on the surface of the battery cell assembly and displaying the battery power.

[0038] Embodiment 3: As shown in Figures 7 to 11 A tool handle with a battery locking ring, mainly composed of a handle shell 5 and a detachable battery with a lock buckle arranged in the handle shell 5, the handle shell 5 is hollow inside, one end of the handle shell 5 is an open end 50, the battery is pushed into from the open end 50, the upper shell 1 of the battery with a lock buckle extends into the inside of the handle shell 5, and the lower end of the lower shell 2 is exposed at the open end 50 of the handle shell 5; the locking ring 4 is movably connected to the open end 50 of the handle shell 5, and the locking ring 4 can rotate relative to the handle shell 5; at the same time, the locking buckle 41 on the locking ring 4 is embedded in the buckle groove 23 on the lower shell 2 by rotating. The open end 50 of the handle shell 5 and the connecting part of the locking ring 4 are provided with an annular groove 52; the connecting part of the locking ring 4 and the handle shell 5 is provided with an annular boss 44, and the annular groove 52 and the annular boss 44 are matched. By matching the profile of the annular groove with the profile of the annular boss, the locking ring can rotate freely at the open end of the handle shell and will not be lost, improving the use efficiency of the product.

[0039] In this embodiment, the handle housing 5 has a support plate 51 inside for supporting the battery, and the support plate 51 has a plug-in hole 501 that can be plugged into the plug-in terminal 301. The handle housing 5 also has a limiting surface 54 inside for limiting the battery insertion angle. The battery is connected to the handle housing 5 through the plug-in hole 501, enabling the battery to supply power to the power tool. It should be noted that the outer walls of the upper housing 1 and the lower housing 2 are provided with a first and a second platform, the outline of which matches the outline of the limiting surface 54, thus limiting the battery insertion angle. On the locking ring 4, near the opening end 50, two lock icons are provided to indicate locking and unlocking. On the handle housing 5, near the locking ring 4, an arrow icon is provided, matching the arrow to the lock, to tell the user which locking state the locking ring is in, facilitating user use and improving information interaction capabilities.

[0040] Example 4 Compared with Example 3, the distinguishing feature of this example is: like Figures 15 to 18 As shown, the handle housing 5 has a support plate 51 for supporting the battery inside, and two inserts 511 are provided on the support plate 51. When the battery is installed, the end of the upper housing 1 abuts against the support plate 51. The upper housing 1 is provided with insert holes 13 corresponding to the two inserts 511, and conductive connecting pieces 35 are provided in the insert holes 13.

[0041] In this embodiment, the two inserts 511 on the support plate 51 respectively contact the positive and negative nickel plates at the upper end of the battery cell assembly 3 to enable the battery to supply power to the power tool.

[0042] The specific operation process of this embodiment is as follows: Generally, the handle housing 5 is installed on various electrical tools, including electric screwdrivers, electric grinders, electric impact screwdrivers, etc. When the electrical tool needs to be used, first confirm whether the upper housing 1 and lower housing 2 of the removable battery with a locking buckle are fastened and fixed, and the battery cell assembly 3 is embedded in the lower housing 2 and installed in place; align the top of the upper housing 1 of the battery with the opening end 50 of the handle housing 5 of the tool handle with the locking ring 4. When pushing in the battery, the limiting surface 54 inside the handle housing 1 is adapted to the first platform 24 and the second platform 11 on the surface of the upper and lower housings, which plays a role in limiting the angle of the battery when pushing in the battery and preventing the battery from being misaligned; then push the battery in along the columnar hollow structure of the handle housing 5 until the insert 511 is fully inserted into the insert hole 13 and abuts against the conductive connecting piece 35, or until the plug-in terminal 301 is fully inserted into the plug hole 501, so that the circuit is initially connected. It should be noted that the locking ring 4 is always rotatably connected to the bottom of the handle housing 5. Due to the insertion of the battery, the limiting member 41 inside the locking ring 4 will slide over the plane 22 on the lower housing 1 of the battery, so that the battery can fully reach the inside of the handle housing 5.

[0043] Hold the anti-skid part 42 on the surface of the locking ring 4, and rotate the locking ring 4; at this time, the locking buckle 41 arranged inside the locking ring 4 will enter the buckle groove 23 at the bottom of the lower shell 2 under the action of the rotating force, and then the second buckle 411 on the locking buckle 41 is rotated into the second buckle groove 231 in the buckle groove 23 with a slight force, so as to realize fixation; since the locking buckle 41 and the buckle groove 23 both have a certain arc, they can be smoothly matched in the process of rotation; finally, the mechanical locking of the battery and the handle and the stable connection of the circuit are completed.

[0044] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A detachable battery pack with a locking structure, comprising an upper housing (1), a lower housing (2), and a cell assembly (3) disposed inside the upper housing (1) and the lower housing (2), characterized in that, It also includes a locking ring (4) for locking the battery pack and power tools. The locking ring (4) is sleeved on the lower end of the lower housing (2). The locking ring (4) and the lower housing (2) are provided with a locking mechanism that can be matched to form a lock.

2. The detachable battery pack with locking structure according to claim 1, characterized in that, The locking mechanism includes a locking buckle (41) that is relatively protruding inside the locking ring (4), a sliding groove (22) that is relatively concave on the lower side wall of the lower housing (2), and a buckle groove (23). The sliding groove (22) extends axially upward from the edge of the lower side wall of the lower housing (2). The buckle groove (23) is located on one side of the sliding groove (22) and communicates with the sliding groove (22). The locking buckle (41) can pass through the sliding groove (22). At the same time, the locking buckle (41) can be inserted into the buckle groove (23) by rotation.

3. The detachable battery pack with locking structure according to claim 2, characterized in that, One end of the buckle groove (23) is provided with a further recessed second buckle groove (231), and at the same time, both ends of the locking buckle (41) are provided with further protruding second buckles (411), which can be embedded in the second buckle groove (231).

4. The detachable battery pack with locking structure according to claim 3, characterized in that, The inner wall of the locking ring (4) is provided with two or more locking buckles (41), which are evenly distributed along the circumference. At the same time, the number of sliding grooves (22) and buckle grooves (23) provided on the outer wall of the lower end of the lower housing (2) is the same as the number of locking buckles (41), and the positions of the sliding grooves (22) and buckle grooves (23) correspond one-to-one with the positions of the locking buckles (41).

5. The detachable battery pack with locking structure according to claim 4, characterized in that, The lower outer wall of the lower housing (2) is provided with anti-slip texture (21).

6. The detachable battery pack with locking structure according to claim 2, characterized in that, The locking ring (4) has at least two symmetrically arranged U-shaped notches (43) on its side wall to facilitate finger gripping of the battery.

7. The detachable battery pack with locking structure according to claim 6, characterized in that, The outer side wall of the locking ring (4) is provided with an anti-slip part (42).

8. The detachable battery pack with locking structure according to claim 1, characterized in that, The upper end of the battery cell assembly (3) is provided with a plug-in terminal (301) that has both wiring and limiting functions, a charging interface (34) for charging the battery cell assembly (3), a charging indicator (303) for displaying the charging status, and a charging trigger switch (304) for turning the charging on or off. The upper housing (1) is provided with mounting through holes at the locations corresponding to the plug-in terminal (301), the charging interface (34), and the charging trigger switch (304).

9. The detachable battery pack with locking structure according to claim 1, characterized in that, The side wall of the battery cell assembly (3) is provided with an indicator light (31) for displaying the battery power and a switch (32) for turning on the indicator light (31); the upper end of the battery cell assembly (3) is provided with a positioning bracket (33), and the positioning bracket (33) is provided with a charging interface (34) for charging the battery. The upper housing (1) is provided with a socket (12) corresponding to the charging interface (34); the side wall of the lower housing (2) is provided with several through holes (26) to facilitate the light to shine through the indicator light (31); the side wall of the lower housing (2) is provided with an elastic pressing member (25) corresponding to the switch (32).

10. A tool handle with a battery locking ring, comprising a handle housing (5), a removable battery with a locking buckle as described in any one of claims 1-8 disposed within the handle housing (5), wherein the handle housing (5) is hollow inside, and one end of the handle housing (5) is an open end (50), through which the battery is pushed in, characterized in that, The removable battery with a latch has its upper housing (1) extending into the handle housing (5), and its lower housing (2) protruding from the opening end (50) of the handle housing (5). The locking ring (4) is movably connected to the open end (50) of the handle housing (5) and the locking ring (4) can rotate relative to the handle housing (5); at the same time, the locking buckle (41) on the locking ring (4) is inserted into the buckle groove (23) on the lower housing (2) by rotation.

11. The tool handle with a battery locking ring according to claim 10, characterized in that, The handle housing (5) has an annular groove (52) at the opening end (50) and the connection point with the locking ring (4); the locking ring (4) has an annular boss (44) at the connection point with the handle housing (5), and the annular groove (52) is adapted to the annular boss (44).

12. The tool handle with a battery locking ring according to claim 10 or 11, characterized in that, The handle housing (5) has a support plate (51) inside for supporting the battery. The support plate (51) has a plug hole (501) that can be plugged into the plug-in terminal (301).

13. The tool handle with a battery locking ring according to claim 12, characterized in that, The handle housing (5) has a limiting surface (54) inside for limiting the angle of battery insertion.

14. A tool handle with a battery locking ring, comprising a handle housing (5), a removable battery with a locking buckle as described in any one of claims 1-7 and 9 disposed within the handle housing (5), wherein the handle housing (5) is hollow inside, and one end of the handle housing (5) is an open end (50), through which the battery is pushed in, characterized in that, The removable battery with a latch has its upper housing (1) extending into the handle housing (5), and its lower housing (2) protruding from the opening end (50) of the handle housing (5). The locking ring (4) is movably connected to the open end (50) of the handle housing (5) and the locking ring (4) can rotate relative to the handle housing (5); at the same time, the locking buckle (41) on the locking ring (4) is inserted into the buckle groove (23) on the lower housing (2) by rotation.

15. The tool handle with a battery locking ring according to claim 14, characterized in that, The handle housing (5) has an annular groove (52) at the opening end (50) and the connection point with the locking ring (4); the locking ring (4) has an annular boss (44) at the connection point with the handle housing (5), and the annular groove (52) is adapted to the annular boss (44).

16. The tool handle with a battery locking ring according to claim 14 or 15, characterized in that, The handle housing (5) has a support plate (51) inside for supporting the battery, and the support plate (51) has at least two inserts (511); the end of the upper housing (1) abuts against the support plate (51), and the upper housing (1) has insert holes (13) corresponding to the two inserts (511), and the insert holes (13) have conductive connecting pieces (35).

17. The tool handle with a battery locking ring according to claim 16, characterized in that, The handle housing (5) has a limiting surface (54) inside for limiting the angle of battery insertion.

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