CN212331450U

CN212331450U - Five-pit electric hammer drill with heat dissipation function

Info

Publication number: CN212331450U
Application number: CN202020494563.1U
Authority: CN
Inventors: 张伟
Original assignee: Danyang Pangu Tools Co ltd
Current assignee: Danyang Pangu Tools Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-01-12
Anticipated expiration: 2030-04-07

Abstract

The utility model belongs to the technical field of the electric hammer bores, especially, be a five hole electric hammer bores with heat dissipation function, including drill bit and drillstock, the top fixedly connected with cutting ferrule of drill bit, the top of cutting ferrule and the bottom fixed connection of drillstock, the thread groove has been seted up to the inboard of cutting ferrule, the inner wall threaded connection of thread groove has the lead screw, the tip of lead screw rotates through the bearing and is connected with the movable plate, the tip fixedly connected with sliding sleeve of movable plate. The utility model discloses a set up the cooperation between thread groove, lead screw, movable plate, slide bar and the sliding sleeve, be for the convenience of making the movable plate remove, through the cooperation between movable rod, spring, limiting plate, cardboard and the draw-in groove for can dismantle between drill bit and the drillstock, thereby avoided five hole electric hammer to bore when damaging, need not directly change drill bit and drillstock, only need change the drill bit just can, thereby also practiced thrift the cost that five hole electric hammer bored.

Description

Five-pit electric hammer drill with heat dissipation function

Technical Field

The utility model relates to an electric hammer bores technical field, specifically is a five hole electric hammer bores with heat dissipation function.

Background

A five-hole electric hammer drill is a common metal cutting tool and is mainly used for machining through holes or blind holes and reaming holes on the basis of existing holes. The currently used five-pit electric hammer drill generally comprises a head part of the electric hammer drill and a handle part of the electric hammer drill, wherein the head part of the electric hammer drill is provided with a working end, the working end is directly contacted with a processed workpiece, and the handle part of the electric hammer drill is generally connected and fixed with corresponding clamping equipment.

However, the existing five-pit electric hammer drill has the following problems:

1. the existing five-pit electric hammer drill is basically integrated, and when a general drill bit is broken, the drill bit and a drill handle are basically directly replaced, so that the material waste and the use cost are high;

2. the existing five-pit electric hammer drill has short service life due to poor wear-resisting effect of the drill bit in long-term use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a five hole electric hammer bores with heat dissipation function has solved current five hole electric hammer bores and the not good problem of wear-resisting effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a five hole electric hammer bores with heat dissipation function, includes drill bit and drillstock, the top fixedly connected with cutting ferrule of drill bit, the top of cutting ferrule and the bottom fixed connection of drillstock, the thread groove has been seted up to the inboard of cutting ferrule, the inner wall threaded connection of thread groove has the lead screw, the tip of lead screw rotates through the bearing and is connected with the movable plate, the tip fixedly connected with sliding sleeve of movable plate, the inner wall sliding connection of sliding sleeve has the slide bar, the spacing seat of tip fixedly connected with of slide bar, one side sliding connection of movable plate has the movable rod, two fixedly connected with spring between the movable rod, the tip of movable rod rotates through the pivot and is connected with the limiting plate, one side fixedly connected with cardboard of limiting plate, the draw-in groove has been seted up on the surface of drill bit, one side of cardboard.

As the utility model discloses an optimal technical scheme, the drill bit includes wear-resisting cast iron layer, diamond layer and chilled cast iron layer, the fixed surface on wear-resisting cast iron layer is connected with the diamond layer, the fixed surface on diamond layer is connected with chilled cast iron layer.

As an optimized technical scheme of the utility model, a plurality of louvres have been seted up on the surface of drill bit.

As a preferred technical scheme of the utility model, the spout has been seted up to one side of movable plate, the inner wall sliding connection of spout has the slider, the surface of slider is connected through the tip rotation of pivot and movable rod.

As an optimal technical scheme of the utility model, two the limiting plate is the arc.

As an optimal technical scheme of the utility model, two the equal fixedly connected with handle of tip of lead screw.

(III) advantageous effects

Compared with the prior art, the utility model provides a five hole electric hammer drill with heat dissipation function possesses following beneficial effect:

1. this five hole electric hammer drill with heat dissipation function, through setting up the thread groove, the lead screw, the movable plate, the cooperation between slide bar and the sliding sleeve, be for the sake of facilitating the messenger movable plate to remove, through the movable rod, a spring, the limiting plate, the cooperation between cardboard and the draw-in groove, make and to dismantle between drill bit and the drillstock, thereby avoided five hole electric hammer drill when damaging, need not directly change drill bit and drillstock, only need change the drill bit just can, thereby also practiced thrift the cost of five hole electric hammer drill.

2. This five hole electric hammer drill with heat dissipation function through setting up mutually supporting between wear-resisting cast iron layer, diamond layer and the chilled cast iron layer for the wear-resisting effect of drill bit is better, thereby has 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 structure of the card sleeve of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the drill of the present invention.

In the figure: 1. a drill bit; 101. a wear-resistant cast iron layer; 102. a diamond layer; 103. a chilled cast iron layer; 2. a card sleeve; 3. a drill shank; 4. a thread groove; 5. a screw rod; 6. moving the plate; 7. a sliding sleeve; 8. a slide bar; 9. a limiting seat; 10. a movable rod; 11. a spring; 12. a limiting plate; 13. clamping a plate; 14. a card slot; 15. heat dissipation holes; 16. a chute; 17. a slide block.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a five hole electric hammer bores with heat dissipation function, including drill bit 1 and drillstock 3, the top fixedly connected with cutting ferrule 2 of drill bit 1, the top of cutting ferrule 2 and the bottom fixed connection of drillstock 3, thread groove 4 has been seted up to the inboard of cutting ferrule 2, the inner wall threaded connection of thread groove 4 has lead screw 5, the tip of lead screw 5 rotates through the bearing and is connected with movable plate 6, the tip fixedly connected with sliding sleeve 7 of movable plate 6, the inner wall sliding connection of sliding sleeve 7 has slide bar 8, the spacing seat 9 of tip fixedly connected with of slide bar 8, one side sliding connection of movable plate 6 has movable rod 10, fixedly connected with spring 11 between two movable rod 10, the tip of movable rod 10 rotates through the pivot and is connected with limiting plate 12, one side fixedly connected with cardboard 13 of limiting plate 12, draw-in groove 14 has been seted up on the surface of drill bit 1.

In this embodiment, through the rotation of lead screw 5, make lead screw 5 rotate at the inner wall of thread groove 4, movable plate 6 passes through sliding sleeve 7 and removes on the surface of slide bar 8, make movable rod 10 extrude spring 11 when removing, thereby cardboard 13 carries on spacingly with draw-in groove 14, make convenient to detach between drill bit 1 and the drillstock 3, thereby avoided five hole electric hammer to bore when damaging, need not directly change drill bit 1 and drillstock 3, only need change drill bit 1 just can, thereby also practiced thrift the cost of five hole electric hammer drills.

Specifically, the drill bit 1 comprises a wear-resistant cast iron layer 101, a diamond layer 102 and a chilled cast iron layer 103, wherein the diamond layer 102 is fixedly connected to the surface of the wear-resistant cast iron layer 101, and the chilled cast iron layer 103 is fixedly connected to the surface of the diamond layer 102.

In this embodiment, the drill bit 1 is made of the materials of the wear-resistant cast iron layer 101, the diamond layer 102 and the chilled cast iron layer 103, so as to improve the wear-resistant effect of the drill bit 1, make the drill bit 1 durable, and improve the service life of the drill bit 1.

Specifically, the surface of the drill bit 1 is provided with a plurality of heat dissipation holes 15.

In this embodiment, the heat dissipation holes 15 are provided to facilitate heat dissipation of the drill bit 1, thereby avoiding the problem of damage caused by over-high temperature during long-time use of the drill bit 1.

Specifically, one side of the moving plate 6 is provided with a sliding groove 16, the inner wall of the sliding groove 16 is connected with a sliding block 17 in a sliding manner, and the surface of the sliding block 17 is rotatably connected with the end part of the movable rod 10 through a rotating shaft.

In this embodiment, the sliding groove 16 and the sliding block 17 are provided to facilitate the use of the movable rod 10, so that the movable rod 10 is more stable during the moving process.

Specifically, the two limiting plates 12 are both arc-shaped.

In this embodiment, because two limiting plates 12 are the arc for convenient spacing to drill bit 1 for the fixed effect between cutting ferrule 2 and the drill bit 1 is better.

Specifically, the end parts of the two screw rods 5 are fixedly connected with handles.

In this embodiment, the handle is arranged to facilitate the rotation of the screw rod 5, and the rotation process is time-saving and labor-saving.

The utility model discloses a theory of operation and use flow: when using, through the rotation of lead screw 5, make lead screw 5 rotate at the inner wall of thread groove 4, the movable plate 6 passes through sliding sleeve 7 and removes on the surface of slide bar 8, make movable rod 10 extrude spring 11 when removing, thereby cardboard 13 carries on spacingly with draw-in groove 14, make convenient to detach between drill bit 1 and the drillstock 3, thereby avoided five hole electric hammer drill when damaging, do not need directly to change drill bit 1 and drillstock 3, only need to change drill bit 1 just can, thereby also practiced thrift the cost of five hole electric hammer drill, because drill bit 1 is through wear-resisting cast iron layer 101, diamond layer 102 and the manufacturing of these materials of chilled cast iron layer 103, be for improving the wear-resisting effect of drill bit 1, 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. The utility model provides a five hole electric hammer drill with heat dissipation function, includes drill bit (1) and drillstock (3), its characterized in that: the drill bit is characterized in that a clamping sleeve (2) is fixedly connected to the top of the drill bit (1), the top of the clamping sleeve (2) is fixedly connected with the bottom of a drill handle (3), a thread groove (4) is formed in the inner side of the clamping sleeve (2), a lead screw (5) is connected to the inner wall of the thread groove (4), a movable plate (6) is rotatably connected to the end portion of the lead screw (5) through a bearing, a sliding sleeve (7) is fixedly connected to the end portion of the movable plate (6), a sliding rod (8) is slidably connected to the inner wall of the sliding sleeve (7), a limiting seat (9) is fixedly connected to the end portion of the sliding rod (8), a movable rod (10) is slidably connected to one side of the movable plate (6), a spring (11) is fixedly connected between the two movable rods (10), a limiting plate (12) is rotatably connected to the end portion of the movable, the surface of the drill bit (1) is provided with a clamping groove (14), and one side of the clamping plate (13) is clamped with the inner wall of the clamping groove (14).

2. The five-pit electric hammer drill with the heat dissipation function according to claim 1, wherein: the drill bit (1) comprises a wear-resistant cast iron layer (101), a diamond layer (102) and a chilled cast iron layer (103), wherein the diamond layer (102) is fixedly connected to the surface of the wear-resistant cast iron layer (101), and the chilled cast iron layer (103) is fixedly connected to the surface of the diamond layer (102).

3. The five-pit electric hammer drill with the heat dissipation function according to claim 1, wherein: the surface of the drill bit (1) is provided with a plurality of heat dissipation holes (15).

4. The five-pit electric hammer drill with the heat dissipation function according to claim 1, wherein: a sliding groove (16) is formed in one side of the moving plate (6), a sliding block (17) is connected to the inner wall of the sliding groove (16) in a sliding mode, and the surface of the sliding block (17) is rotatably connected with the end portion of the movable rod (10) through a rotating shaft.

5. The five-pit electric hammer drill with the heat dissipation function according to claim 1, wherein: the two limiting plates (12) are arc-shaped.

6. The five-pit electric hammer drill with the heat dissipation function according to claim 1, wherein: the end parts of the two screw rods (5) are fixedly connected with handles.