CN207982376U

CN207982376U - A kind of shock proof electrodrill

Info

Publication number: CN207982376U
Application number: CN201721149309.2U
Authority: CN
Inventors: 舒江南
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-08
Filing date: 2017-09-08
Publication date: 2018-10-19
Anticipated expiration: 2027-09-08

Abstract

The utility model discloses a kind of shock proof electrodrills, including bearing I, collet, rotor, stator and casing hand handle lid, the bottom of shell is connected with casing hand handle lid by screw with slotted, and carbon brush is equipped with inside the casing hand handle lid, tension disc is equipped on the outside of carbon brush；The casing internal is equipped with carbon brush holder, and carbon brush is equipped on carbon brush holder, and the stator interior rotation is equipped with rotor, the rotor front end is equipped with impact and adjusts knob, impact that knob front end is adjusted to connect needle roller, and needle roller connects tablet middle gear, steel ball is equipped in tablet middle gear, tablet middle gear connects medium tooth shaft；A kind of shock proof electrodrill, it is simple in structure, it is easy to assembly, the bad problem of traditional electrical power contact is avoided, and stable, improves the stability and efficiency of rotation, the shock resistance in rotary course is improved, keeps its work more stable, flexible.

Description

A kind of shock proof electrodrill

Technical field

The utility model is related to power tools technology field, specifically a kind of shock proof electrodrill.

Background technology

Traditional power tool such as electric drill can realize the function of drilling, but before using electric drill drilling, especially exist Before being drilled to the material of some hard high-strengths, often can all find sample punching first give need bore position dotting punch, this It is that electric drill skids during drilling in order to prevent, to cause accident or cause the damage of workpiece and use tool It is bad.So drilling in time, electric drill just be unable to do without the auxiliary of sample punching, but because of the reasons such as structure and size of sample punching, meeting Cause loss that is inconvenient to carry or causing sample to rush；General dotting punch will hammer tap sample punching, can thus be easy to hurt hand.And And existing hand held electric drill has the following disadvantages during manufacture and use：When existing rotor and output shaft generally by Shell positions, and will produce deformation in shell molding, cannot keep outputting and inputting center line stabilization, be difficult to protect in assembling Hold ensuring smooth transmission, steady；Second is that when electric drill works, influenced by impact force, motor and other transmission parts will produce dislocation and become Shape, back casing positioning of long duration will produce loosening, deformation, influence the working performance of electric drill, shorten the service life of electric drill, not only Economic loss is caused, and work can be influenced.

Utility model content

The purpose of this utility model is to provide a kind of shock proof electrodrills, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides the following technical solutions：

A kind of shock proof electrodrill, including bearing I, collet, rotor, stator and casing hand handle lid, the casing bottom Portion is connected with casing hand handle lid by screw with slotted, and carbon brush two is equipped with inside the casing hand handle lid, and two outside of carbon brush is equipped with Tension disc；The casing internal is equipped with carbon brush holder, and carbon brush one is equipped on carbon brush holder, and the stator interior rotation, which is equipped with, to be turned Son, the rotor front end, which is equipped with to impact, adjusts knob, impact tune knob front end connection needle roller, needle roller connection tablet middle gear, in tablet Steel ball is equipped in gear, tablet middle gear connects medium tooth shaft, and tablet middle gear side, which is engaged, connects gear wheel, on gear wheel Clamp spring I is installed, I rear side of clamp spring connects impact spring, bearing I is connected on impact spring；The tablet middle gear and gear wheel It is installed in middle cover, middle cover front end connects head capsule, and the head capsule and middle cover are screwed in casing front end； The gear wheel front end connects No. II impact teeth, and No. I impact teeth of connection is engaged on front side of No. II impact teeth, is connected on front side of No. I impact teeth Output shaft is connect, bearing II is arranged on output shaft, the output shaft front end passes through anti-screw connection collet.

As further program of the utility model：The tension disc is fixed on by self-tapping screw in casing hand handle lid On casing, casing hand handle base portion is connected with sheath.

As further program of the utility model：The carbon brush two on carbon brush one and casing on the carbon brush holder with it is fixed Son offsets.

As further program of the utility model：Pass through stator screw connection wind loop, the machine on front side of the stator Switch is installed in shell, switchs connecting stator and rotor interior loop.

As further program of the utility model：It is arranged on output shaft between the bearing II and No. I impact teeth Clamp spring II is connected with clamp spring III on the output shaft of the front side of the bearing II.

As further program of the utility model：The needle roller is the inside needle roller of model HK0608 needle bearings, rolling The specification of needle bearing is 6 × 10 × 8mm；The bearing I is 698 bearing of model, and the specification of 698 bearings is 8 × 19 × 6mm；Institute It is 101 bearings to state bearing II；The screw is 4 × 50mm screws, i.e., a diameter of 4mm, length 50mm；The anti-screw is 5 ×22mm；The stator screw is 4 × 55mm；The screw with slotted is 4 × 14mm；The self-tapping screw is 4 × 14mm.

Compared with prior art, the utility model has the beneficial effects that：A kind of shock proof electrodrill, structure letter It is single, it is easy to assembly, it realizes that rotor and stator are powered by carbon brush and drives, avoid the bad problem of traditional electrical power contact, and And it is stable, it avoids casing and is deformed；By the engagement high-speed rotation of tablet middle gear and gear wheel, rotation is improved Stability and efficiency, and No. II impact teeth and No. I impact teeth improve the shock resistance in rotary course, make its work It is more stable, flexible.

Description of the drawings

Fig. 1 is that the component of the utility model disassembles schematic diagram.

Fig. 2 is the structural schematic diagram of the utility model.

Fig. 3 is the left view of the utility model.

Fig. 4 is the right view of the utility model.

In figure：Knob, 3- needle rollers, 4- bearings I, 5- tablets middle gear, 6- impact springs, 7- steel are adjusted in 1- middle covers, 2- impacts Pearl, 8- medium tooth shafts, 9- clamp springs I, 10- gear wheels, 11- head capsules, 12- screws, No. II impact teeth of 13-, 14- No. I impact teeth, 15- Clamp spring II, 16- bearings II, 17- clamp springs III, 18- output shafts, 19- collets, the anti-screws of 20-, 21- rotors, 22- stators screw, 23- wind loops, 24- stators, 25- switches, 26- casings, 27- carbon brush holders, 28- carbon brush one, 29- screw with slotted, 30- casing hand handles Lid, 31- self-tapping screws, 32- carbon brush two, 33- tension discs, 34- sheaths.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1~4, in the utility model embodiment, a kind of shock proof electrodrill, including bearing I 4, collet 19, rotor 21, stator 24 and casing hand handle lid 30,26 bottom of the casing are connected with casing hand handle lid by screw with slotted 29 30, carbon brush 2 32 is installed inside the casing hand handle lid 30,2 32 outside of carbon brush is equipped with tension disc 33, tension disc 33 pass through from Tapping 31 is fixed on the casing 26 in casing hand handle lid 30, and 30 bottom of casing hand handle lid is connected with sheath 34, assembly When, external power cord is connect across sheath 34 with fixed carbon brush 2 32 in tension disc 33, facilitates carbon brush 2 32 and external electricity Source line electrical connection.

Carbon brush holder 27 is installed inside the casing 26, carbon brush 1 is installed on carbon brush holder 27, on the carbon brush holder 27 Carbon brush 1 and casing 26 on carbon brush 2 32 offset with stator 24,24 inner rotation of the stator be equipped with rotor 21, institute It states 24 front side of stator and wind loop 23 is connected by stator screw 22, switch 25 is installed in the casing 26, the connection of switch 25 is fixed Son 24 and 21 interior loop of rotor.

21 front end of the rotor is equipped with impact and adjusts knob 2, impact that 2 front end of knob is adjusted to connect needle roller 3, and needle roller 3 connects in tablet Gear 5, tablet middle gear 5 is interior to be equipped with steel ball 7, and tablet middle gear 5 connects medium tooth shaft 8, and 5 side of the tablet middle gear engagement connects Gear wheel 10 is connect, clamp spring I 9 is installed on gear wheel 10, I 9 rear side of clamp spring connects impact spring 6, bearing is connected on impact spring 6 Ⅰ4；The tablet middle gear 5 and gear wheel 10 are installed in middle cover 1, and 1 front end of middle cover connects head capsule 11, the head capsule 11 and middle cover 1 26 front end of casing is fixed on by screw 12.

10 front end of the gear wheel connects No. II impact teeth 13, and No. II 13 front side engagement of impact teeth connects No. I impact teeth 14, 14 front side of No. I impact teeth connects output shaft 18, is arranged with bearing II 16 on output shaft 18, bearing II 16 and No. I impact teeth 14 it Between output shaft 18 on be arranged with clamp spring II 15, be connected with clamp spring III 17 on the output shaft 18 of II 16 front side of the bearing, it is described 18 front end of output shaft passes through 20 connecting clip 19 of anti-screw.

For the needle roller 3 using the inside needle roller of model HK0608 needle bearings, the specification of needle bearing is 6 × 10 × 8mm.

The bearing I 4 uses 698 bearing of model, and the specification of 698 bearings is 8 × 19 × 6mm.

The bearing II 16 is 101 bearings.

The screw 12 is 4 × 50mm screws, i.e., a diameter of 4mm, length 50mm.

The anti-screw 20 is 5 × 22mm；The stator screw 22 is 4 × 55mm；The screw with slotted 29 be 4 × 14mm；The self-tapping screw 31 is 4 × 14mm.

The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing performing creative labour can be special to some of which technology Sign makes some simple modification, equivalent change and modifications, is all within the scope of the technical scheme of the utility model.

In the description of this specification, it should be noted that unless otherwise clearly defined and limited, term " setting ", " connected " and " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Claims

1. a kind of shock proof electrodrill, including bearing I (4), collet (19), rotor (21), stator (24) and casing hand handle It covers (30), which is characterized in that casing (26) bottom is connected with casing hand handle lid (30), the machine by screw with slotted (29) Carbon brush two (32) is installed inside shell hand handle lid (30), tension disc (33) is equipped on the outside of carbon brush two (32)；In the casing (26) Portion is equipped with carbon brush holder (27), and carbon brush one (28) is equipped on carbon brush holder (27), and stator (24) inner rotation is equipped with rotor (21), rotor (21) front end is equipped with impact and adjusts knob (2), impact tune knob (2) front end connection needle roller (3), needle roller (3) connection Tablet middle gear (5), tablet middle gear (5) is interior to be equipped with steel ball (7), and tablet middle gear (5) connects medium tooth shaft (8), the tablet The engagement of middle gear (5) side connects gear wheel (10), and clamp spring I (9) is equipped on gear wheel (10), punching is connected on rear side of clamp spring I (9) Spring (6) is hit, bearing I (4) is connected on impact spring (6)；The tablet middle gear (5) and gear wheel (10) are installed in centre It covers in (1), middle cover (1) front end connects head capsule (11), and the head capsule (11) and middle cover (1) are fixed on by screw (12) Casing (26) front end；Gear wheel (10) front end connects No. II impact teeth (13), and connection I is engaged on front side of No. II impact teeth (13) Number impact teeth (14), connection output shaft (18) on front side of No. I impact teeth (14) are arranged with bearing II (16), institute on output shaft (18) It states output shaft (18) front end and passes through anti-screw (20) connecting clip (19).

2. a kind of shock proof electrodrill according to claim 1, which is characterized in that the tension disc (33) passes through certainly Tapping (31) is fixed on the casing (26) in casing hand handle lid (30), and casing hand handle lid (30) bottom is connected with sheath (34)。

3. a kind of shock proof electrodrill according to claim 1, which is characterized in that the carbon on the carbon brush holder (27) Carbon brush two (32) on one (28) of brush and casing (26) offsets with stator (24).

4. a kind of shock proof electrodrill according to claim 2, which is characterized in that pass through on front side of the stator (24) Stator screw (22) connects wind loop (23), and switch (25), switch (25) connecting stator (24) are equipped in the casing (26) With rotor (21) interior loop.

5. a kind of shock proof electrodrill according to claim 4, which is characterized in that the bearing II (16) and No. I It is arranged with clamp spring II (15) on output shaft (18) between impact teeth (14), on the output shaft (18) on front side of the bearing II (16) It is connected with clamp spring III (17).

6. a kind of shock proof electrodrill according to claim 5, which is characterized in that the needle roller (3) is model The specification of the inside needle roller of HK0608 needle bearings, needle bearing is 6 × 10 × 8mm；The bearing I (4) is 698 axis of model It holds, the specification of 698 bearings is 8 × 19 × 6mm；The bearing II (16) is 101 bearings；The screw (12) is 4 × 50mm spiral shells Silk, i.e., a diameter of 4mm, length 50mm；The anti-screw (20) is 5 × 22mm；The stator screw (22) is 4 × 55mm； The screw with slotted (29) is 4 × 14mm；The self-tapping screw (31) is 4 × 14mm.