CN113517744A

CN113517744A - Portable power source device of hand-held electric tool

Info

Publication number: CN113517744A
Application number: CN202110921450.4A
Authority: CN
Inventors: 吴立新; 李泽坤; 赵杨辉; 耿连忠
Original assignee: Shenzhen City Waitley Power Co ltd
Current assignee: Shenzhen City Waitley Power Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-10-19

Abstract

The application discloses a portable power supply device of a handheld electric tool, which comprises a shell and a power supply body, wherein the shell is connected with a tool body, the lower side of the shell is provided with an installation bin for plugging the power supply body, the power supply body is completely embedded into the installation bin, and the shell is provided with a clamping structure for limiting the power supply body; the joint structure includes along a plurality of jack catchs of circumference equipartition, rotates to be connected on the casing and be used for driving about each jack catch synchronous joint in the driving piece of the power supply body. The present application has the following effects: the power is fixed in the axial direction, and the power body is completely embedded into the mounting bin, so that when the power supply is used, the power body can only act on the shell when held by a hand to apply force, the possibility of stress damage of the power body is reduced, and the contact stability of the power structure is improved.

Description

Portable power source device of hand-held electric tool

Technical Field

The application relates to the technical field of electric tools, in particular to a mobile power supply device of a handheld electric tool.

Background

In the production and processing process, for portable use, the mode of directly connecting the power supply is gradually replaced, a plurality of handheld electric tools are provided, and a mobile power supply module is added on the tool, so that convenience is improved.

For example, the utility model with the publication number of CN207577488U discloses a movable electric drill, which comprises a drill body and a power structure detachably connected with the drill body, wherein the power structure is located at the bottom of a handheld part of the drill body, a clamping structure is formed at the bottom of the power structure and the handheld part, and the power structure is provided with an opening and closing button with an opening and closing clamping structure; the power supply structure is internally provided with a power supply module for supplying power and charging, and the power supply module is electrically connected with the inside of the drilling machine main body. The power structure is separately separated from the drilling machine main body, the power structure is independently charged, the power structure is connected with the drilling machine main body, the power structure supplies power for the drilling machine main body, the drilling machine main body is operated, the power structure is detached from the drilling machine main body after electric quantity loss is finished, other power structures are connected with the drilling machine main body, construction work of the drilling machine main body is continued, and the movable electric drill can be used in any place without time limitation.

To the correlation technique among the aforesaid, the power structure of foretell electric drill is connected on rig main part bottom, because be hand-held type instrument, when using, can grip the rig main part and operate, inevitably can act on power structure occasionally, often leads to connection structure to damage after applying external force, and power structure rocks easily when using, leads to the contact of contact point unstable, influences the use.

Disclosure of Invention

For the contact stability of the power supply structure, the application provides a mobile power supply device of a handheld electric tool.

The application provides a portable power source device of hand-held type electric tool adopts following technical scheme: a portable power supply device of a handheld electric tool comprises a shell and a power supply body, wherein the shell is connected with a tool body, the lower side of the shell is provided with an installation bin for inserting the power supply body, the power supply body is completely embedded into the installation bin, and the shell is provided with a clamping structure for limiting the power supply body;

the joint structure includes along a plurality of jack catchs of circumference equipartition, rotates to be connected on the casing and be used for driving about each jack catch synchronous joint in the driving piece of the power supply body.

Through adopting above-mentioned technical scheme, when the installation, in pegging graft the power supply body to the installation storehouse, order about each jack catch through the driving piece and carry out the joint with the power supply body, can fix the power at the axial this moment to the power supply body is imbed completely to installing in the storehouse, when using, only can act on the shell when holding the application of force, has reduced the possibility that the power supply body atress damaged, has improved the contact stability of power structure.

Preferably, the inner wall of the shell is provided with a ring groove, the inner ring wall of the ring groove is provided with mounting grooves corresponding to the clamping jaws, the middle parts of the clamping jaws can be connected in the mounting grooves in a returning and rotating mode, one end of each clamping jaw is a clamping end which is positioned in the mounting bin and used for clamping the power supply body, and the other end of each clamping jaw is a contact end which is positioned in the ring groove and used for being matched with the driving piece;

the driving piece is a driving ring which is rotatably connected in the annular groove, and the driving ring is connected with the abutting end of the clamping jaw and used for driving the clamping jaw to move.

Through adopting above-mentioned technical scheme, under the effect of no external force, the joint end of jack catch will joint on the power supply body, form fixedly, and when the drive ring during at the annular internal rotation, will act on the butt end to make the jack catch rotate, the jack catch will break away from the power supply body this moment, and when the drive ring did not have the effort to the butt end, the jack catch will automatic re-setting make the joint end get into to the installation storehouse again.

Preferably, the inner wall of the drive ring has a contact block for abutting against the abutting end, and the rotation deflection angle of the contact block is not more than 10 °.

Through adopting above-mentioned technical scheme, when the drive ring when rotating, thereby the conflict piece will contradict and drive the jack catch and rotate on the conflict end, and the angle that deflects at every turn is less can be when the operation, just can operate through less motion range, and is comparatively convenient.

Preferably, a sliding plate is connected to the housing in a sliding manner along the length direction, and the sliding plate drives the driving ring to rotate through a linkage assembly when sliding.

Through adopting above-mentioned technical scheme, when using, but the one hand is held electric tool's hand and is held portion, only orders about the slide through thumb etc. and slides, just can make the drive ring rotate through the linkage subassembly, because the turned angle of drive ring is not big, so the slide that can be comparatively light, the operation power supply body just can be gone to user's another hand, and is comparatively convenient.

Preferably, the linkage assembly includes a helical gear ring portion disposed at an upper side of the driving ring, a linkage helical gear rotatably connected in the housing and engaged with the helical gear ring portion, and a linkage gear coaxially rotated with the linkage helical gear, and the slide plate has a convex tooth engaged with the linkage gear.

Through adopting above-mentioned technical scheme, when the slide was slided, the dogtooth will with the cooperation of linkage gear for the oblique tooth synchronous revolution of linkage drives the drive ring at the annular internal rotation then, just can make the conflict piece act on the jack catch after rotating, and when not acting on the slide, the jack catch will order about the slide and reset.

Preferably, set up the groove that slides that supplies the slide to slide on the casing, have the locking subassembly that is used for with the inslot wall joint that slides on the slide, the locking subassembly is including sliding the fixture block of connecting in the slide, setting up on the slide and the resilience piece of being connected with the fixture block, the confession has been seted up on the inslot wall that slides the draw-in groove of fixture block embedding, resilience piece is used for ordering about in the fixture block embedding to the draw-in groove, have on the slide and connect in the fixture block and order about the fixture block and break away from the press the briquetting of draw-in groove.

Through adopting above-mentioned technical scheme, in order to improve stability when using, also carry on spacingly to the slide, set up the fixture block and can the joint on the groove of sliding, after the effect is pressed the briquetting, can order about the fixture block and break away from the draw-in groove for the slide can slide, and is comparatively convenient and stable.

Preferably, the power supply body is provided with a clamping groove for the clamping jaws to be embedded in, one end of the power supply body is a plug for penetrating through each clamping jaw, and the cross-sectional area of the plug is gradually increased from the end part to one side close to the clamping groove.

Through adopting above-mentioned technical scheme, when the installation power supply body, the plug will pass each jack catch earlier to order about the jack catch and expand outward, when the joint groove is to fitting the jack catch, the joint end of jack catch will be embedded into the joint groove, forms fixed effect.

Preferably, one end of the power supply body, which is far away from the plug, is provided with a limiting clamping table, and the bottom of the shell is provided with a limiting accommodating groove for embedding the limiting clamping table.

Through adopting above-mentioned technical scheme, when the installation, the spacing ka tai of power supply body lower part will inlay and establish in spacing storage tank, carries on spacingly in the axial, can be when the butt joint, can make the jack catch can aim at the joint groove.

Preferably, the inner wall of the mounting bin is provided with a fool-proof protrusion arranged along the length direction of the shell, and the power supply body is provided with a fool-proof groove for embedding the fool-proof protrusion.

Through adopting above-mentioned technical scheme, when the installation, prevent that slow-witted arch will insert to prevent slow-witted recess in, carry on spacingly in circumference, this moment upwards prescribe a limit to joint groove and jack catch in circumference, the installation of being convenient for.

Preferably, the housing has an insertion portion at an upper side thereof for insertion with the tool body.

Through adopting above-mentioned technical scheme, at first when the assembly, can be with the portable power source device complete assembly back, install it to the tool body on to in case damage in fact is convenient for change.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the power supply body is completely embedded in the installation bin, axial fixation is achieved, when the power supply body is stressed in use, the power supply body can act on the shell, the possibility that the power supply body is stressed and damaged is reduced, and the contact stability of the power supply structure is improved.

2. Through a slide, can drive the drive ring and rotate to order about the jack catch and rotate, the one hand just can realize the operation, and is very convenient.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is a partial sectional view of embodiment 1 of the present application;

FIG. 3 is a schematic view showing the connection relationship between a power supply body and a drive ring in embodiment 1 of the present application;

FIG. 4 is a schematic view showing the connection between the slide board and the housing in embodiment 1 of the present application;

FIG. 5 is a schematic view showing the connection between the slide board and the housing in embodiment 2 of the present application;

fig. 6 is a schematic view of one of the mounting arrangements of the present application.

Description of reference numerals: 100. a housing; 110. a power supply body; 111. a plug-in part; 112. a transverse bolt; 113. a plug; 114. a limiting clamping table; 115. a limiting accommodating groove; 116. a fool-proof projection; 117. a fool-proof groove; 118. a clamping groove; 120. installing a bin; 131. a claw; 132. a clamping end; 133. a contact end; 140. a drive ring; 141. a contact block; 142. a ring groove; 143. mounting grooves; 150. a sliding groove; 151. a slide plate; 152. a helical toothed ring portion; 153. linkage helical teeth; 154. a linkage gear; 155. a linkage shaft; 156. a convex tooth; 161. a clamping block; 162. a rebound spring; 163. a slideway; 164. a card slot; 170. a pressing block; 171. the inclined plane is convex; 172. a bevel groove; 210. an upper housing; 211. a resisting block; 220. a lower housing; 221. the linkage groove.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses portable power source device of hand-held type electric tool.

Example 1:

a portable power supply device of a hand-held electric tool, referring to fig. 1, comprises a casing 100 and a power supply body 110 connected with a tool body, wherein the casing 100 is detachably connected with the tool body, an insertion part 111 is arranged on the upper side of the casing 100, the insertion part 111 in the embodiment is a sheet-shaped body and is inserted into the lower side of the tool body and fixedly connected with the lower side of the tool body through two transverse bolts 112. The lower side of the casing 100 is provided with an installation bin 120 for the power supply body 110 to be inserted, the power supply body 110 is completely embedded into the installation bin 120, and the casing 100 is provided with a clamping structure for limiting the power supply body 110.

The end of the power supply body 110 is a plug 113 for inserting into the mounting bin 120, the top of the plug 113 has a contact point, the end of the power supply body 110 far away from the plug 113 has a limit clamping table 114, and the bottom of the casing 100 has a limit accommodating groove 115 for embedding the limit clamping table 114 for limiting the axial direction. Meanwhile, for circumferential limitation, the inner wall of the mounting bin 120 is provided with a fool-proof protrusion 116 arranged along the length direction of the casing 100, and the power supply body 110 is provided with a fool-proof groove 117 for the fool-proof protrusion 116 to be embedded and slide.

Referring to fig. 1 and 2, the clamping structure includes a plurality of jaws 131 uniformly distributed along the circumferential direction, and a driving member rotatably connected to the casing 100 and used for driving each jaw 131 to be synchronously clamped to the power supply body 110. The inner wall of the housing 100 has a ring groove 142, in this embodiment, the driving member is a driving ring 140, the driving ring 140 is rotatably connected in the ring groove 142, the inner ring wall of the ring groove 142 is provided with three mounting grooves 143, in this embodiment, the three clamping claws 131 are uniformly distributed along the circumferential direction, the mounting grooves 143 are in one-to-one correspondence with the clamping claws 131, and two ends of the mounting grooves 143 penetrate through the ring groove 142 and the mounting bin 120. The middle part of the claw 131 is rotatably connected in the mounting groove 143, and a torsion spring is sleeved on the rotating shaft.

Referring to fig. 2 and 3, one end of the claw 131 is a clamping end 132 located in the mounting bin 120 for clamping the power supply body 110, the other end is an abutting end 133 located in the annular groove 142 for cooperating with the driving ring 140, an abutting block 141 for abutting against the abutting end 133 is provided on the inner wall of the driving ring 140, and the abutting block 141 is always kept abutting against the abutting end 133. Correspondingly, three clamping grooves 118 are correspondingly arranged on the power supply body 110 along the circumferential direction, and clamping ends 132 of the clamping claws 131 are embedded and fixed.

When the driving ring 140 rotates, the interference block 141 will interfere on the interference end 133, so that the pawl 131 rotates to be disengaged from the catching groove 118, so that the power supply body 110 can move in the mounting bin 120 to be disengaged. When the driving ring 140 does not act on the abutting block 141, the torsion spring will drive the pawl 131 to rotate again, and the snap-in end 132 will be inserted into the mounting bin 120.

Referring to fig. 1 and 4, a sliding groove 150 is formed in the housing 100 along the length direction, a sliding plate 151 is connected to the sliding groove 150 in a sliding manner, and during specific installation, sliding strips (not shown) can be arranged on two sides of the sliding plate 151 or a limiting plate and other structures are arranged on the housing 100 to limit the sliding plate 151, so that the sliding plate 151 can slide in the sliding groove 150. The slide plate 151 drives the drive ring 140 to rotate through a linkage assembly, which in this embodiment includes a helical gear ring portion 152, a linkage helical gear 153, and a linkage gear 154, wherein the helical gear ring portion 152 is integrally disposed on the upper portion of the drive ring 140, i.e., can rotate synchronously with the drive ring 140. The linkage helical teeth 153 are rotatably connected in the housing 100 through a linkage shaft 155 and meshed with the helical tooth ring part 152, the linkage helical teeth 153 are positioned at one end of the linkage shaft 155, and the linkage gear 154 is coaxially and rotatably installed at the other end. And a convex tooth 156 engaged with the interlocking gear 154 is provided on the inner wall of the sliding plate 151. When the sliding plate 151 slides, the linkage gear 154 and the linkage helical teeth 153 can be driven to move in sequence, so that the driving ring 140 is driven to rotate, and the movement of the jaws 131 is realized. In the present embodiment, however, the rotational deflection angle of the abutting block 141 on the drive ring 140 is not more than 10 ° in order to facilitate one-handed operation of the slide plate 151.

In order to cooperate with the claw 131 for installation, the cross-sectional area of the plug 113 is gradually increased from the end portion to the side of the clamping groove 118, that is, when the plug is inserted, the outer wall of the plug 113 will abut against the claw 131 to drive the clamping end 132 to rotate towards the outside, and when the clamping groove 118 is abutted against the claw 131, the claw 131 will be embedded into the clamping groove 118.

The implementation principle of the embodiment 1 of the application is as follows: when the power supply body 110 is inserted into the installation bin 120, the plug 113 will abut against the clamping end 132, and when the clamping end 132 is abutted, the clamping end 132 will be inserted into the clamping groove 118. In use, the housing 100 is held and no external force is applied to the connection structure, so that the contact point of the power supply body 110 can stably operate.

When the power body 110 needs to be detached, the driving ring 140 rotates along with the sliding plate 151 pushed by one hand to slide downwards, the claw 131 moves along with the sliding plate, the clamping end 132 is separated from the clamping groove 118, and the power body 110 can be taken out of the clamping groove 118 conveniently.

Example 2:

the difference with embodiment 1 is that, referring to fig. 5, a sliding plate 151 is provided with a locking assembly for being clamped with an inner wall of a sliding groove 150, the locking assembly includes a fixture block 161 connected in the sliding plate 151 in a sliding manner, and a resilient member arranged on the sliding plate 151 and connected with the fixture block 161, the sliding plate 151 is provided with a slide rail 163 arranged in a direction perpendicular to the sliding groove 150, the fixture block 161 slides in the slide rail 163, the resilient member is a resilient spring 162 and is located between the bottom of the slide rail 163 and the fixture block 161, and two ends of the resilient spring 162 are abutted or fixedly connected with both. The inner wall of the sliding groove 150 is provided with a clamping groove 164 for the clamping block 161 to be embedded into.

The sliding plate 151 is provided with a pressing block 170 which is connected with the fixture block 161 and drives the fixture block 161 to be separated from the clamping groove 164, the pressing block 170 is inserted and slid on the sliding plate 151, the end portion of the pressing block 170 is used for extending into the sliding rail 163, the end portion of the pressing block 170 is provided with an inclined plane protrusion 171 arranged towards one side of the clamping groove 164, the fixture block 161 is also provided with an inclined plane groove 172 for the inclined plane protrusion 171 to be embedded into, when the inclined plane protrusion 171 is embedded into the inclined plane groove 172, the fixture block 161 can be separated from the clamping groove 164 through the inclined plane matching of the inclined plane protrusion and the inclined plane protrusion, the rebound spring 162 can be compressed and deformed, and therefore the rebound spring 162 can drive the fixture block 161 to be embedded into the clamping groove 164 again.

The implementation principle of embodiment 2 of the present application is as follows: when the installation is carried out, the pressing block 170 needs to be pressed, the clamping jaws 131 are opened after the sliding plate 151 slides, the installation is carried out, the sliding plate 151 slides to the position, and the clamping blocks 161 can be embedded into the clamping grooves 164 after the pressing block 170 is released. Thus, when the power supply body 110 is used, the latch effect of the latch 161 can keep the latch 131 fixed to the power supply body 110.

It should be noted that, in the present application, there are various ways of installing the linkage assembly into the housing 100, referring to fig. 6, the housing 100 may be separately installed, or components in the linkage assembly may be separately installed, and in the present application, one of the installable ways is disclosed, that is, the housing 100 is separately installed into the upper housing 210 and the lower housing 220, the annular groove 142 upwardly penetrates through the upper end surface of the lower housing 220, the lower housing 220 is provided with a linkage groove 221 for the linkage shaft 155 to be inserted into, the linkage helical teeth 153 and the linkage gear 154 are also provided with corresponding insertion grooves on the lower housing 220, and the lower side of the upper housing 210 is further provided with an abutting block 211 inserted into the linkage groove 221 for limiting the rotation shaft. The above is only one of the installation methods, and other installation methods can be adopted in other embodiments.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A portable power source device of a hand-held electric tool, comprising a housing (100) and a power source body (110) connected to a tool body, characterized in that: the lower side of the shell (100) is provided with an installation bin (120) for the power supply body (110) to be inserted, the power supply body (110) is completely embedded into the installation bin (120), and the shell (100) is provided with a clamping structure for limiting the power supply body (110);

the clamping structure comprises a plurality of clamping jaws (131) which are uniformly distributed along the circumferential direction, and a driving piece which is rotatably connected to the shell (100) and used for driving each clamping jaw (131) to be synchronously clamped in the power supply body (110).

2. The portable power supply apparatus for a hand-held power tool according to claim 1, wherein: the inner wall of the shell (100) is provided with a ring groove (142), the inner ring wall of the ring groove (142) is provided with mounting grooves (143) corresponding to the clamping jaws (131), the middle parts of the clamping jaws (131) can be connected in the mounting grooves (143) in a recovering and rotating mode, one end of each clamping end (132) is located in the mounting bin (120) and used for clamping the power supply body (110), and the other end of each clamping end is located in the ring groove (142) and used for being matched with the driving piece to form a contact end (133);

the driving piece is a driving ring (140) which is rotatably connected in a ring groove (142), and the driving ring (140) is connected with the interference ends (133) of the clamping jaws (131) and used for driving the clamping jaws (131) to move.

3. The portable power supply apparatus for a hand-held power tool according to claim 2, wherein: the inner wall of the driving ring (140) is provided with a contact block (141) for contacting the contact end (133), and the rotation deflection angle of the contact block (141) is not more than 10 degrees.

4. The portable power supply apparatus for a hand-held power tool according to claim 2, wherein: a sliding plate (151) is connected to the housing (100) in a sliding manner along the length direction, and the driving ring (140) is driven to rotate through a linkage assembly when the sliding plate (151) slides.

5. The portable power supply apparatus for a hand-held power tool according to claim 4, wherein: the linkage assembly comprises a helical gear ring part (152) arranged on the upper side of the driving ring (140), linkage helical teeth (153) which are rotatably connected in the shell (100) and meshed with the helical gear ring part (152), and a linkage gear (154) which coaxially rotates with the linkage helical teeth (153), wherein the sliding plate (151) is provided with convex teeth (156) meshed with the linkage gear (154).

6. The portable power supply apparatus for a hand-held power tool according to claim 5, wherein: offer on casing (100) and supply sliding groove (150) that slide (151) slided, slide (151) are gone up and are used for and slide the locking subassembly of groove (150) inner wall joint, the locking subassembly is including sliding fixture block (161) of connecting in slide (151), the rebound spare that sets up on slide (151) and be connected with fixture block (161), offer the confession on sliding groove (150) inner wall draw-in groove (164) of fixture block (161) embedding, the rebound spare is used for ordering about fixture block (161) are embedded into in draw-in groove (164), slide (151) are gone up and have the pressure piece (170) of connecting in fixture block (161) and ordering about fixture block (161) and break away from draw-in groove (164).

7. The portable power supply apparatus for a hand-held power tool according to claim 2, wherein: the power supply body (110) is provided with a clamping groove (118) for the clamping claws (131) to be embedded, one end of the power supply body (110) is a plug (113) for penetrating through each clamping claw (131), and the cross section area of the plug (113) is gradually increased from the end part to one side close to the clamping groove (118).

8. The portable power supply apparatus for a hand-held power tool according to claim 2, wherein: one end of the power supply body (110) far away from the plug (113) is provided with a limiting clamping table (114), and the bottom of the shell (100) is provided with a limiting accommodating groove (115) for embedding the limiting clamping table (114).

9. The portable power supply apparatus for a hand-held power tool according to claim 2, wherein: the inner wall of the installation bin (120) is provided with a fool-proof protrusion (116) arranged along the length direction of the shell (100), and the power supply body (110) is provided with a fool-proof groove (117) for embedding the fool-proof protrusion (116).

10. The portable power supply apparatus for a hand-held power tool according to claim 1, wherein: the upper side of the shell (100) is provided with an inserting part (111) for inserting with a tool body.