CN211992792U

CN211992792U - Stainless steel SDS electric hammer drill

Info

Publication number: CN211992792U
Application number: CN202020489073.2U
Authority: CN
Inventors: 张伟
Original assignee: Danyang Pangu Tools Co ltd
Current assignee: Danyang Pangu Tools Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-24
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the technical field of the electric hammer bores, especially, be a stainless steel SDS electric hammer bores, including drill bit and drillstock, the top of drill bit and the bottom fixed connection of drillstock, the surface of drill bit is equipped with the sharpener, the top fixedly connected with connecting rod of drill bit, the connecting hole has been seted up to the inside of connecting rod, the bottom of drillstock is seted up flutedly, spacing hole has all been seted up to the inner wall of recess. The utility model discloses a set up the connecting rod, the connecting hole, a groove, and the cooperation in spacing hole, it fixes through screw and nut in order to make drill bit and drillstock, make and dismantle between drill bit and the drillstock, need not trade the whole sword when having avoided the sharpener to damage, it just can to directly change the drill bit, thereby make the electric hammer bore and practiced thrift the cost, set up the cooperation of four rotten vinyl layers of gathering, platinum layer and copper oxide layer, be for improving the anticorrosive effect of drill bit, make drill bit durable, thereby the life of drill bit has been improved.

Description

Stainless steel SDS electric hammer drill

Technical Field

The utility model relates to an electric hammer bores technical field, specifically is a stainless steel SDS electric hammer bores.

Background

The electric hammer drill is a common tool for drilling, screwing and screwing in mechanical industry, building industry and decoration industry, the drill bit is a cutting tool adopted by a common drill or a drilling and digging machine to cut a circular hole, the basic principle of the drill bit is to make the edge cutting of the drill bit rotate, cut a workpiece and remove drill cuttings by a drill groove, the common drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill, and the reamer and the countersink drill can not drill holes on solid materials, but can also be classified into the drill bits in a habitual way.

However, the existing electric hammer drill has the following problems:

1. when the existing electric hammer drill is used, the cutter is very easy to rub and break, and the whole cutter is replaced, so that waste is easily caused, and the production cost is increased;

2. the existing electric hammer drill has poor corrosion prevention effect, is easy to corrode when the external environment is severe, and shortens the service life of the drill bit.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stainless steel SDS electric hammer bores, has solved when current electric hammer bores changes than extravagant and the not good problem of anticorrosive effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stainless steel SDS electric hammer bores, includes drill bit and drillstock, the top of drill bit and the bottom fixed connection of drillstock, the surface of drill bit is equipped with the sharpener, the top fixedly connected with connecting rod of drill bit, the connecting hole has been seted up to the inside of connecting rod, the bottom of drillstock is seted up flutedly, spacing hole has all been seted up to the inner wall of recess, the inner wall in spacing hole runs through there is the screw, the tip threaded connection of screw has the nut.

As an optimal technical scheme of the utility model, the drill bit includes polytetrafluoroethylene layer, platinum gold layer and copper oxide layer, the inner wall on polytetrafluoroethylene layer is connected with the fixed surface on platinum gold layer, the inner wall on platinum gold layer is connected with the fixed surface on copper oxide layer.

As an optimized technical scheme of the utility model, the both sides of sharpener all are equipped with the chip groove.

As an optimized technical scheme of the utility model, the both sides fixedly connected with baffle of drillstock.

As an optimized technical scheme of the utility model, the inner wall diameter of recess and the size looks adaptation of connecting rod.

As an optimal technical scheme of the utility model, two the diameter of spacing hole and connecting hole inner wall and the big or small looks adaptation of screw.

(III) advantageous effects

Compared with the prior art, the utility model provides a stainless steel SDS electric hammer drill possesses following beneficial effect:

1. this stainless steel SDS electric hammer drill, through the cooperation that sets up connecting rod, connecting hole, recess and spacing hole, be for making drill bit and drillstock pass through the screw and the nut is fixed for can dismantle between drill bit and the drillstock, need not change when having avoided the cutter to damage the whole sword, directly change the drill bit just can, thereby make electric hammer drill practice thrift the cost.

2. This stainless steel SDS electric hammer drill, through the cooperation that sets up four rotten vinyl layers, platinum gold layer and copper oxide layer, be in order to improve the anticorrosive effect of drill bit for drill bit durable, thereby improved the life of drill bit.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the drill of the present invention;

FIG. 3 is a schematic view of the structure of the drill shank of the present invention;

FIG. 4 is a schematic view of the connection structure of the drill bit and the drill shank of the present invention;

fig. 5 is a partial sectional view of the drill bit structure of the present invention.

In the figure: 1. a drill bit; 101. a polytetrafluoroethylene layer; 102. a platinum layer; 103. a copper oxide layer; 2. a drill shank; 3. cutting; 4. a connecting rod; 5. connecting holes; 6. a groove; 7. a limiting hole; 8. a screw; 9. a nut; 10. a chip groove; 11. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a stainless steel SDS electric hammer drill, includes drill bit 1 and drillstock 2, the top of drill bit 1 and the bottom fixed connection of drillstock 2, the surface of drill bit 1 is equipped with the sharpener 3, the top fixedly connected with connecting rod 4 of drill bit 1, connecting hole 5 has been seted up to the inside of connecting rod 4, recess 6 has been seted up to the bottom of drillstock 2, spacing hole 7 has all been seted up to the inner wall of recess 6, the inner wall of spacing hole 7 runs through there is screw 8, the tip threaded connection of screw 8 has nut 9.

In this embodiment, through the cooperation of spacing hole 7 and connecting hole 5 for screw 8 runs through spacing hole 7 and connecting hole 5, through the wrench movement of nut 9, makes drill bit 1 and drill shank 2 fixed, makes and to dismantle between drill bit 1 and the drill shank 2, need not change when having avoided the cutting knife 3 to damage the sword, directly change drill bit 1 just can, thereby make the electric hammer drill practice thrift the cost.

Specifically, the drill bit 1 comprises a polytetrafluoroethylene layer 101, a platinum layer 102 and a copper oxide layer 103, wherein the inner wall of the polytetrafluoroethylene layer 101 is fixedly connected with the surface of the platinum layer 102, and the inner wall of the platinum layer 102 is fixedly connected with the surface of the copper oxide layer 103.

In this embodiment, the drill bit 1 is composed of a teflon layer 101, a platinum layer 102, and a copper oxide layer 103, so as to improve the corrosion prevention effect of the drill bit 1, make the drill bit 1 durable, and improve the service life of the drill bit 1.

Specifically, chip grooves 10 are formed on two sides of the cutting knife 3.

In the present embodiment, the chip discharge grooves 10 are provided to facilitate discharge of chips.

Specifically, two sides of the drill handle 2 are fixedly connected with baffle plates 11.

In this embodiment, the baffle 11 is provided to retain debris, making the drill bit 1 safer for use.

Specifically, the diameter of the inner wall of the groove 6 is matched with the size of the connecting rod 4.

In this embodiment, set up the size looks adaptation of recess 6 and connecting rod 4, be for the convenience fixed drill bit 1, it is also more convenient when dismantling.

Specifically, the diameters of the two limiting holes 7 and the inner wall of the connecting hole 5 are matched with the size of the screw 8.

In this embodiment, the size of the limiting hole 7 and the size of the connecting hole 5 are matched to facilitate the limiting of the screw 8 and the nut 9, so that the fixing effect of the drill bit 1 and the drill handle 2 is improved.

The utility model discloses a theory of operation and use flow: when using, through the rotation of nut 9, make screw 8 take out from connecting hole 5 and spacing hole 7, make and dismantle between drill bit 1 and the drillstock 2, need not change the whole sword when having avoided the sharpener 3 to damage, it is just right to directly change drill bit 1, thereby make the electric hammer drill practice thrift the cost, drill bit 1 comprises polytetrafluoroethylene layer 101, platinum layer 102 and copper oxide layer 103, be for improving drill bit 1's anticorrosive effect, make drill bit 1 durable, the life of drill bit 1 has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stainless steel SDS electric hammer drill, includes drill bit (1) and drill handle (2), its characterized in that: the top of drill bit (1) and the bottom fixed connection of drillstock (2), the surface of drill bit (1) is equipped with sharpener (3), the top fixedly connected with connecting rod (4) of drill bit (1), connecting hole (5) have been seted up to the inside of connecting rod (4), the bottom of drillstock (2) is seted up flutedly (6), spacing hole (7) have all been seted up to the inner wall of recess (6), the inner wall of spacing hole (7) runs through there is screw (8), the tip threaded connection of screw (8) has nut (9).

2. The stainless steel SDS hammer drill of claim 1, wherein: the drill bit (1) comprises a polytetrafluoroethylene layer (101), a platinum layer (102) and a copper oxide layer (103), wherein the inner wall of the polytetrafluoroethylene layer (101) is fixedly connected with the surface of the platinum layer (102), and the inner wall of the platinum layer (102) is fixedly connected with the surface of the copper oxide layer (103).

3. The stainless steel SDS hammer drill of claim 1, wherein: chip grooves (10) are formed in the two sides of the cutter (3).

4. The stainless steel SDS hammer drill of claim 1, wherein: two sides of the drill handle (2) are fixedly connected with baffle plates (11).

5. The stainless steel SDS hammer drill of claim 1, wherein: the diameter of the inner wall of the groove (6) is matched with the size of the connecting rod (4).

6. The stainless steel SDS hammer drill of claim 1, wherein: the diameters of the inner walls of the two limiting holes (7) and the connecting hole (5) are matched with the size of the screw (8).