Handheld electric tool with quick release function

Abstract

The utility model discloses a handheld electric tool with a quick release function. The handheld electric tool comprises a host assembly, the host assembly comprises a shell mechanism; the circuit board and the driving mechanism are respectively arranged in the shell mechanism; the clamping mechanism is movably arranged in the shell mechanism in a penetrating manner; the battery assembly is detachably connected to the shell mechanism and electrically connected with the circuit board; the mounting head assembly is detachably connected to the host assembly in a clamping transmission manner; the clamping mechanism comprises two clamping pieces which are oppositely arranged, and the two clamping pieces movably penetrate through the shell mechanism and can be detachably connected with the mounting head assembly in a clamped mode. And the at least one elastic piece is arranged between the two clamping pieces respectively. According to the electric tool, the clamping mechanism is detachably connected with the mounting head assembly in a clamped mode, so that the quick disassembly or quick assembly function of the mounting head assembly is achieved, and the problem that the efficiency of replacing the mounting head assembly of an existing electric tool is low is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric tool technical field, especially hand -held electric tool with quick release function. BACKGROUND

[0002] Electric tool refers to the mechanical tool that uses additional power source and mechanism, drives the installation head assembly through transmission structure, and the types of electric tools are various, and different electric tools are suitable for different use scenes, if different electric tools are purchased to meet different use scenes, the cost is too high, therefore, the electric tool that can change functions can provide a better scheme.

[0003] The utility model discloses a multifunctional electric tool, including host computer department and detachable setting on the working part of host computer department, the host computer department has: drive body, the drive body includes containing casing, drive motor and output shaft, the containing casing has an installation end face, the drive motor is configured in containing casing, the output shaft is connected with the output end of drive motor and goes out to the outside of installation end face, mounting body, the mounting body includes platform one and platform two, platform one is connected with installation end face, platform two sets up on platform one, a plurality of mounting holes are arranged on platform two, and the working part is detachably connected through the cooperation of mounting hole and locking piece, wherein the output shaft goes out mounting body and accesses the working part, thereby driving the movement of working part. Although the electric tool can be adapted to a plurality of different installation head assemblies, it is detachably connected through the cooperation of mounting hole and locking piece, and such a connection mode makes the efficiency of replacing the installation head assembly lower, and cannot meet the quick release and quick installation needs of users, so a hand -held electric tool with quick release function is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] One of the purposes of the utility model is to provide a hand -held electric tool with quick release function, so as to solve the problem of low efficiency of replacing the installation head assembly of the existing electric tool.

[0005] The utility model discloses a hand -held electric tool with quick release function can be realized through the following technical scheme:

[0006] The utility model discloses a hand -held electric tool with quick release function includes host computer assembly, the host computer assembly includes casing mechanism, circuit board and drive mechanism are arranged in casing mechanism respectively, and the both are electrically connected, the clamping mechanism is movably penetrated in casing mechanism, battery assembly is detachably connected on casing mechanism and is electrically connected with circuit board, and installation head assembly is detachably clamped and is connected in transmission on host computer assembly,

[0007] The clamping mechanism comprises two clamping members arranged oppositely, each of which is movably penetrated through the shell mechanism and can be detachably clamped with the mounting head assembly; and at least one elastic member arranged between the two clamping members.

[0008] In one embodiment, the clamping member comprises a clamping member body movably arranged in the shell mechanism; a pressing head fixedly arranged on the outside of the clamping member body and movably penetrated through the shell mechanism, which can be detachably fixedly connected with the mounting head assembly; and at least one connecting column fixedly arranged on the inside of the clamping member body and capable of being connected with the corresponding elastic member, which is in contact with the corresponding elastic member.

[0009] In one embodiment, two first clamping holes are symmetrically penetrated through the shell mechanism; two second clamping holes are symmetrically penetrated through the mounting head assembly, the positions of the two second clamping holes correspond to the positions of the corresponding first clamping holes respectively; and the clamping mechanism can be sequentially penetrated through the first clamping holes and the second clamping holes.

[0010] In one embodiment, the elastic member is a spring.

[0011] In one embodiment, the bottom of the shell mechanism is provided with a battery mounting head, the battery assembly is detachably electrically connected to the battery mounting head and electrically connected with the circuit board.

[0012] In one embodiment, the battery assembly is a polymer lithium ion battery, which is movably penetrated through a clasp and a pressing member arranged thereon respectively, the clasp can be detachably clamped with the battery mounting head; and the pressing member is in transmission connection with the clasp.

[0013] In one embodiment, the shell mechanism is provided with a mounting guide table; the outside of the mounting head assembly is provided with a guide clamping groove, which is detachably connected with the mounting guide table.

[0014] In one embodiment, the driving mechanism comprises a mounting shell fixedly arranged in the shell mechanism; a driving motor arranged in the mounting shell and electrically connected with the circuit board; and a first connecting head fixedly connected with the rotating shaft of the driving motor.

[0015] In one embodiment, the mounting head assembly is provided with a second connecting head, which is detachably transmission connected with the first connecting head.

[0016] In one of the embodiments, the utility model discloses a handheld electric tool with quick release function further includes switch button and pilot lamp, and both are respectively set up on the casing mechanism.

[0017] The utility model discloses a handheld electric tool with quick release function has the beneficial effects of:

[0018] The utility model discloses a handheld electric tool with quick release function through cooperation of the clamping piece and the elastic piece, makes the detachable clamping connection of clamping mechanism and mounting head subassembly, thereby realizes the quick release or quick installation function of mounting head subassembly, effectively solved the problem of low efficiency of the existing electric tool replacement mounting head subassembly, and the clamping mechanism has the characteristics of simple structure and low cost, has certain market popularization potential. ACCURACY OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, and should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limited scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model discloses a handheld electric tool with quick release function;

[0021] Figure 2 It is the longitudinal section structure schematic diagram of the utility model discloses a handheld electric tool with quick release function;

[0022] Figure 3 It is the utility model discloses a handheld electric tool with quick release function's explosion structure schematic diagram, including host computer assembly and mounting head subassembly;

[0023] Figure 4 It is Figure 3 The explosion structure schematic diagram of host computer assembly shown in, including clamping mechanism;

[0024] Figure 5 It is Figure 4 The explosion structure schematic diagram of clamping mechanism shown in;

[0025] Figure 6 It is Figure 3 The three-dimensional structure schematic diagram of mounting head subassembly shown in.

[0026] Indicated in the figure: 10, handheld electric tool; 11, main machine assembly; 111, shell mechanism; 1111, battery mounting head; 1112, mounting guide table; 1113, first clamping hole; 1114, through hole; 1115, heat dissipation hole; 112, circuit board; 113, driving mechanism; 1131, mounting shell; 1132, driving motor; 1133, first connecting head; 114, clamping mechanism; 1141, clamping piece; 11411, clamping piece main body; 11412, pressing head; 11413, connecting column; 1142, elastic piece; 115, switch button; 116, indicator light; 12, battery assembly; 121, buckle; 122, pressing piece; 13, mounting head assembly; 131, guide clamping groove; 132, second connecting head; 133, second clamping hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 The utility model discloses a handheld electric tool 10 with quick release function mainly includes main machine assembly 11, battery assembly 12 and mounting head assembly 13, the main machine assembly 11 is driven main body, battery assembly 12 detachable electric connection is in main machine assembly 11, and it provides electric energy for main machine assembly 11, and mounting head assembly 13 detachable clamping transmission connection is in main machine assembly 11, and main machine assembly 11 drives mounting head assembly 13 to work.

[0030] Please refer to Figures 1-4As shown in the figure, in the embodiment, the host assembly 11 comprises a shell mechanism 111, a circuit board 112, a driving mechanism 113, a clamping mechanism 114, a switch button 115 and an indicator light 116; the shell mechanism 111 is a hollow cavity; the circuit board 112 and the driving mechanism 113 are arranged in the shell mechanism 111 respectively, the circuit board 112 is electrically connected with the driving mechanism 113, the switch button 115, the indicator light 116 and the battery assembly 12 respectively, and the driving mechanism 113 can be detachably connected with the mounting head assembly 13 in transmission; the clamping mechanism 114 is arranged through the shell mechanism 111 and can be detachably clamped with the mounting head assembly 13, so as to realize the quick mounting or quick dismounting function of the mounting head assembly 13 and the host assembly 11; the switch button 115 and the indicator light 116 are arranged through the shell mechanism 111 respectively, the position of the switch button 115 corresponds to the position of the hand holding, the working condition of the driving mechanism 113 is controlled through the switch button 115, and the indicator light 116 is used for indicating operation.

[0031] As shown in the figure, Figure 3 and Figure 4 As shown in the figure, in the embodiment, the bottom of the shell mechanism 111 is provided with a battery mounting head 1111, the battery assembly 12 is detachably connected on the battery mounting head 1111 and is electrically connected with the circuit board 112; the shell mechanism 111 is provided with a mounting guide table 1112 at the position corresponding to the mounting head assembly 13, the mounting head assembly 13 is detachably connected on the mounting guide table 1112, and the mounting process of the mounting head assembly 13 is guided through the mounting guide table 1112; the shell mechanism 111 is provided with two first clamping holes 1113 symmetrically through the position corresponding to the clamping mechanism 114, and the clamping mechanism 114 is movably arranged through the shell mechanism 111 through the two first clamping holes 1113; the shell mechanism 111 is further provided with a plurality of through holes 1114 and a plurality of heat dissipation holes 1115, the switch button 115 and the indicator light 116 are arranged through the shell mechanism 111 through the corresponding through holes 1114 respectively, the mounting head assembly 13 is detachably connected with the driving mechanism 113 through the corresponding through holes 1114, and the positions of the plurality of heat dissipation holes 1115 correspond to the positions of the driving mechanism 113, so that the heat generated by the driving mechanism 113 can be dissipated conveniently.

[0032] As shown in the figure, Figure 3 and Figure 4As shown in the drawings, in the embodiment, the circuit board 112 is electrically connected with the driving mechanism 113, the switch button 115, the indicator lamp 116 and the battery assembly 12 respectively, and the control technology adopted is all prior art, so the specific control process and the adopted model are not described here, as long as the application is met. In the embodiment, the driving mechanism 113 comprises a mounting shell 1131, a driving motor 1132 and a first connecting head 1133; the mounting shell 1131 is fixedly arranged in the shell mechanism 111; the driving motor 1132 is arranged in the mounting shell 1131 and electrically connected with the circuit board 112; the first connecting head 1133 is fixedly connected on the rotating shaft of the driving motor 1132, and the driving motor 1132 drives the first connecting head 1133 to rotate at high speed; preferably, the driving motor 1132 is a brushless motor.

[0033] As shown in the drawings, Figure 4 and Figure 5 As shown in the drawings, in the embodiment, the clamping mechanism 114 comprises two clamping pieces 1141 and at least one elastic piece 1142; the two clamping pieces 1141 are oppositely arranged and respectively movably penetrate the shell mechanism 111 through the corresponding first clamping holes 113, and the two clamping pieces 1141 can be synchronously and detachably clamped and connected with the mounting head assembly 13; the at least one elastic piece 1142 is arranged between the two clamping pieces 1141 respectively, which provides interaction force for the two clamping pieces 1141, so that the two clamping pieces 1141 can be detachably fixedly connected with the mounting head assembly 13, thereby realizing the transmission connection between the mounting head assembly 13 and the driving mechanism 113. Specifically, the elastic piece 1142 is a spring.

[0034] As shown in the drawings, Figure 5 Specifically, the clamping piece 1141 comprises a clamping piece body 11411, a pressing head 11412 and at least one connecting column 11413; the clamping piece body 11411 is movably arranged in the shell mechanism 111; the pressing head 11412 is fixedly arranged on the outer side of the clamping piece body 11411 and movably penetrates the shell mechanism 111, and can be detachably fixedly connected with the mounting head assembly 13; the at least one connecting column 11413 is fixedly arranged on the inner side of the clamping piece body 11411 and can be connected with the corresponding elastic piece 1142, and the clamping piece 1141 is connected with the elastic piece 1142 through the connecting column 11413.

[0035] As shown in the drawings, Figures 1-3As shown in the drawings, in the embodiment, the battery assembly 12 adopts a polymer lithium ion battery, on which a buckle 121 and a pressing piece 122 are movably and penetratively arranged, the buckle 121 can be detachably connected with the battery mounting head 1111, so as to realize the fixed connection of the battery assembly 12 and the main machine assembly 11, the pressing piece 122 is in transmission connection with the buckle 121, through the external force acting on the pressing piece 122, the pressing piece 122 drives the buckle 121 to be separated from the clamping connection with the shell mechanism 111, so as to facilitate the disassembly of the battery assembly 12 from the main machine assembly 11.

[0036] As shown in the drawings, Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown in the drawings, in the embodiment, the outer side of the mounting head assembly 13 is provided with a guide clamping groove 131, the guide clamping groove 131 is detachably connected on the mounting guide table 1112, and the mounting guide operation of the mounting head assembly 13 is realized through the cooperation of the mounting guide table 1112 and the guide clamping groove 131; the mounting head assembly 13 is provided with a second connecting head 132 at the position corresponding to the first connecting head 1133, the second connecting head 132 is detachably connected on the first connecting head 1133, so as to realize the driving operation of the driving mechanism 113 to the mounting head assembly 13; two second clamping holes 133 are movably and penetratively arranged on the mounting head assembly 13, the positions of the two second clamping holes 133 respectively correspond to the positions of the corresponding first clamping holes 1113, and the clamping mechanism 114 penetrates the first clamping hole 1113 and the second clamping hole 133 in sequence, so as to realize the fixed connection of the mounting head assembly 13 and the shell mechanism 111.

[0037] It should be noted that the specific working process of the utility model of a handheld electric tool 10 with quick disassembly function is as follows: when it is necessary to replace different mounting head assemblies 13, the two clamping pieces 1141 are pressed at the same time, the compression force of the elastic piece 142 to the clamping piece 1141 is overcome, the two clamping pieces 1141 are respectively separated from the corresponding second clamping holes 133, and then the mounting head assembly 13 is pulled out, so that the mounting head assembly 13 can be disassembled from the shell mechanism 111; then the new mounting head assembly 13 is mounted on the shell mechanism 111, then the two clamping pieces 1141 are pressed, the compression force of the elastic piece 142 to the clamping piece 1141 is overcome, the two clamping pieces 1141 respectively penetrate the corresponding second clamping holes 133 on the new mounting head assembly 13, so as to realize the fixed connection of the new mounting head assembly 13 and the shell mechanism 111, at the same time, the second connecting head 132 on the new mounting head assembly 13 is in transmission connection with the first connecting head 1133, so as to realize the transmission connection of the mounting head assembly 13 and the main machine assembly 11.

[0038] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as the scope of the description.

[0039] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A handheld power tool with quick-release function, characterized in that, include: A host component, which includes a housing mechanism; The circuit board and the drive mechanism are respectively disposed in the housing mechanism, and the two are electrically connected; The engaging mechanism is located within the housing mechanism; A battery assembly, which is detachably connected to the housing mechanism and electrically connected to the circuit board; The mounting head assembly is detachably and engagingly connected to the main unit assembly; The engaging mechanism includes two engaging members disposed opposite to each other, which respectively movably pass through the housing mechanism and are respectively capable of being detachably engaged with the mounting head assembly; and at least one elastic member respectively disposed between the two engaging members.

2. A handheld power tool with quick-release function according to claim 1, characterized in that, The engaging component includes an engaging component body, which is movably disposed in the housing mechanism; a pressing head fixedly disposed on the outer side of the engaging component body and movably passing through the housing mechanism, which can be detachably and fixedly connected to the mounting head assembly; and at least one connecting post fixedly disposed on the inner side of the engaging component body and capable of connecting to the corresponding elastic element, wherein the connecting post is in contact with the corresponding elastic element.

3. A handheld power tool with quick-release function according to claim 2, characterized in that, The housing mechanism has two symmetrical through holes; the mounting head assembly has two symmetrical through holes, the positions of the two second holes corresponding to the positions of the corresponding first holes; the locking mechanism can pass through the first holes and the second holes in sequence.

4. A handheld power tool with quick-release function according to claim 2, characterized in that, The elastic element is a spring.

5. A handheld power tool with quick-release function according to claim 1, characterized in that, The bottom of the housing mechanism is provided with a battery mounting head, and the battery assembly is detachably and electrically connected to the battery mounting head and electrically connected to the circuit board.

6. A handheld power tool with quick-release function according to claim 5, characterized in that, The battery assembly uses a polymer lithium-ion battery, and a buckle and a pressing component are movably disposed on it. The buckle can be detachably engaged with the battery mounting head; the pressing component is kinetically connected to the buckle.

7. A handheld power tool with quick-release function according to claim 1, characterized in that, The housing mechanism is provided with an installation guide platform; the outer side of the installation head assembly is provided with a guide slot, which is detachably connected to the installation guide platform.

8. A handheld power tool with quick-release function according to claim 1, characterized in that, The drive mechanism includes a mounting housing fixedly disposed within the housing mechanism; a drive motor disposed within the mounting housing and electrically connected to the circuit board; and a first connector fixedly connected to the drive motor shaft.

9. A handheld power tool with quick-release function according to claim 8, characterized in that, The mounting head assembly is provided with a second connector, which is detachably and driveably connected to the first connector.

10. A handheld power tool with quick-release function according to any one of claims 1-9, characterized in that, It further includes a switch button and an indicator light, both of which are respectively disposed through the housing mechanism.

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