CN216341919U - Closed rotary block pipe-following drill bit - Google Patents
Closed rotary block pipe-following drill bit Download PDFInfo
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- CN216341919U CN216341919U CN202122745493.XU CN202122745493U CN216341919U CN 216341919 U CN216341919 U CN 216341919U CN 202122745493 U CN202122745493 U CN 202122745493U CN 216341919 U CN216341919 U CN 216341919U
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Abstract
The utility model discloses a closed rotary block pipe following drill bit which comprises a drill bit spline body, wherein an opening is formed in the bottom of the drill bit spline body, a connecting ring is fixedly arranged at the upper end of the drill bit spline body, three clamping grooves which are distributed correspondingly are formed in the upper end of the connecting ring, rotary blocks are movably arranged in the three clamping grooves, clamping plates are fixedly arranged at the lower ends of the three rotary blocks, clamping blocks are fixedly arranged at the tops of the three rotary blocks, a head is arranged at the upper end of the connecting ring, and three movable grooves which are distributed correspondingly are formed in the lower end of the head. Possess closed structure, the working face of rotatory piece is outside, and remaining all shrink is internal at the drill bit, is difficult for advancing the sediment card and bores like this, and the inside three-petal fan-shaped block structure that adopts of this kind of drill bit simultaneously to it is more smooth and easy to make its rotation open or draw in the piece of revolving in, thereby makes the drill bit dismantle with the installation simpler.
Description
Technical Field
The utility model belongs to the technical field of drill bits, and particularly relates to a closed rotary block pipe following drill bit.
Background
The pipe following drill bit is divided into an eccentric drill bit and a concentric drill bit, the root pipe drill bit is different from a straight drill bit, and the pipe following drill bit is mainly applied to the following steps: hard, loose, broken or ovum gravel etc. need follow the drilling of sheathed tube stratum simultaneously, have that the dado performance is good, creep into efficient advantage, and the drilling tool is generally used for engineering holes such as house capital construction, guardrail hole, massif reinforcement, anchor, the principle of drilling tool with the pipe: the pipe following drilling tool is composed of a pipe following drill bit, a hole expanding ring, a pipe shoe and a casing pipe, wherein the hole expanding ring is driven by the pipe following drill bit to rotate during operation, the drill bit performs tunneling impact, the hole expanding ring performs hole expanding and grinding, and the casing pipe is embedded downwards.
However, the conventional apparatus has the following problems in use:
1. most of the existing assembly pipe-following drill bits are provided with rotary blocks which are exposed outside, so that slag is easy to enter and the drill is difficult to fold and open, and the drill body is blocked and drilled during working, a large amount of energy is consumed for maintenance, and the working efficiency is lowered.
2. Most junctions of the existing assembly follow-up drill bit are not easy to detach, operators need to install or replace parts, time and labor are wasted, the working efficiency of the operators is low, and meanwhile, the flexibility of the overall use of the drill bit is affected, so that the user experience feeling is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a closed rotary-block pipe-following drill bit which has a closed structure, wherein the working surface of a rotary block is arranged outside, and the rest parts of the rotary block are contracted in the drill bit body, so that slag is not easy to enter and block the drill.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a closed revolves piece and follows pipe drill bit, includes the drill bit spline body, the opening has been seted up to the bottom of the drill bit spline body, the fixed go-between that is provided with in upper end of the drill bit spline body, three draw-in groove that correspondingly distributes is seted up to the upper end of go-between, and is three the inside homoactivity of draw-in groove is provided with rotatory piece, and is three the lower extreme of rotatory piece all is fixed and is provided with the cardboard, and is three the top of rotatory piece all is fixed and is provided with the fixture block, the upper end of go-between is provided with the head, the lower extreme of head is seted up the movable groove of three corresponding distribution, swing joint between fixture block and the movable groove, the lower extreme of head is fixed and is provided with the sector piece of three corresponding distribution, the joint between sector piece and the rotatory piece.
When the drill bit is installed, the head is firstly contacted with a rock stratum and is not moved, the drill bit spline body rotates clockwise relative to the head under the action of external rotating force, when the drill bit spline body rotates, the rotating block is contracted inwards through the mutual matching of the clamping block and the movable groove, the rotating block can be clamped when the rotating block is contracted inwards through the fan-shaped block, when the drill bit spline body rotates fifty-eight degrees relative to the head, the rotating block is in a closed state, at the moment, the drill bit performs drilling work under the action of impact and the rotating force, when the drill bit is in a working state, the rotating block on the rotating block can be positioned left and right through the mutual matching of the clamping block on the rotating block and the movable groove, the rotating block is limited to expand outwards, the rotating block is limited to contract inwards through the fan-shaped surface of the fan-shaped block, the rotating block automatically contracts and is clamped, and under the action of the rotating force, the joint can be completely in a closed state, thereby effectively preventing silt from entering the inside of the joint of the drill bit and causing the phenomenon of drill bit jamming, the rotating block can be in an open state by rotating the head counterclockwise, thereby further improving the efficiency of mounting and dismounting the drill bit.
Preferably, rubber gaskets are fixedly arranged at the top and the bottom of the rotating block.
Among the above-mentioned technical scheme, the rubber gasket of rotatory piece bottom and bottom can make between rotatory piece and head and the go-between more sealed, prevents to advance the sediment and leads to the sticking of a drill.
Preferably, the three rotating blocks are identical in size.
In the technical scheme, the rotating blocks are consistent in size, so that the rotating blocks, the head and the connecting ring can be sealed more.
Preferably, the cartridge is cylindrical in shape.
Among the above-mentioned technical scheme, cylindrical can make the fixture block reduce at the inside resistance when sliding of sliding tray.
Preferably, the movable groove is internally provided with a lubricant.
Among the above-mentioned technical scheme, the inside emollient of activity inslot can make the fixture block slide more the flow in the activity inslot, prevents that the phenomenon of card dun from producing.
Preferably, the bit spline body rotates relative to the head by an angle of fifty-eight degrees.
Among the above-mentioned technical scheme, be the best open mode when the relative head of drill bit spline body rotates fifty-eight degrees, spacing size can both reach best stress state and intensity requirement.
Preferably, the head is made of hard alloy.
Among the above-mentioned technical scheme, carbide's material can make the head harder, is difficult for producing the deformation when the drill bit is worked, increases life simultaneously.
Compared with the prior art, the utility model has the beneficial effects that:
1. when in installation, the head part is contacted with the rock stratum and is not moved, the bit spline body rotates clockwise relative to the head part under the action of external rotating force, when rotating, the rotating block is retracted inwards through the mutual matching of the clamping block and the movable groove, the rotating block can be clamped when retracted inwards through the fan-shaped block, when the bit spline body rotates fifty-eight degrees relative to the head, the rotating block is in a closed state, the bit performs drilling work under the action of impact and rotating force, in the working state, the clamping block on the rotating block is matched with the movable groove to be positioned left and right, meanwhile, the rotating block is limited to expand outwards, the rotating block is limited to contract inwards through the sector surface of the sector block, and the rotating block is automatically contracted and clamped, under the effect of the rotating force, the joint can be completely in a closed state, so that the phenomenon that sediment enters the joint of the drill bit to cause the drill bit to be stuck is effectively prevented.
2. When dismantling, at first with the head contact rock stratum motionless, the drill bit spline body is under the outer revolving force effect, and relative head carries out clockwise rotation, when rotatory, through mutually supporting in fixture block and activity groove to make rotatory piece outwards expand, thereby further improve the efficiency of installation and dismantlement drill bit, make dismantle with the installation drill bit simple and convenient more, thereby increase the experience sense that the user used.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the left side of the present invention;
FIG. 3 is a schematic diagram of the right side of the overall device of the present invention;
FIG. 4 is a schematic view of the present invention in an overall plan view;
fig. 5 is a schematic structural view of the integral bottom of the present invention.
In the figure: 1. a drill bit spline body; 2. a connecting ring; 3. a card slot; 4. rotating the block; 5. clamping a plate; 6. a head portion; 7. a clamping block; 8. an opening; 9. a sector block; 10. a movable groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a closed piece with tub drill bit soon, including drill bit spline body 1, opening 8 has been seted up to drill bit spline body 1's bottom, the fixed go-between 2 that is provided with in upper end of drill bit spline body 1, three corresponding distribution's draw-in groove 3 has been seted up to go-between 2's upper end, the inside of three draw-in groove 3 all moves about and is provided with rotatory piece 4, the lower extreme of three rotatory piece 4 all fixes and is provided with cardboard 5, the top of three rotatory piece 4 all fixes and is provided with fixture block 7, go-between 2's upper end is provided with head 6, three corresponding distribution's movable groove 10 has been seted up to head 6's lower extreme, swing joint between fixture block 7 and the movable groove 10, the fixed fan-shaped piece 9 that is provided with three corresponding distribution of lower extreme of head 6, the joint between fan-shaped piece 9 and the rotatory piece 4.
In the embodiment, during installation, the head 6 is firstly contacted with the rock stratum and is not moved, the drill bit spline body 1 rotates clockwise relative to the head 6 under the action of external rotating force, the rotating block 4 is contracted inwards through the mutual matching of the clamping block 7 and the movable groove 10 during rotation, the rotating block 4 can be clamped during inward contraction through the fan-shaped block 9, when the drill bit spline body 1 rotates fifty-eight degrees relative to the head 6, the rotating block 4 is in a closed state, at the time, the drill bit performs drilling work under the action of impact and rotating force, in the working state, through the mutual matching of the clamping block 7 on the rotating block 4 and the movable groove 10, the left and right positioning can be realized, the outward expansion of the rotating block 4 is limited, the inward contraction of the rotating block 4 is limited through the fan-shaped surface of the fan-shaped block 9, the automatic contraction clamping is realized, and under the action of rotating force, the connection part can be completely in a closed state, thereby prevent effectively that silt from getting into inside the drill bit junction, lead to the phenomenon of card brill to take place, can make rotatory piece 4 be in the open mode through anticlockwise rotation head 6 to further improve the efficiency of installation and dismantlement drill bit.
Specifically, rubber gaskets are fixedly arranged at the top and the bottom of the rotating block 4.
In the embodiment, the rubber gaskets at the bottom and the bottom of the rotating block 4 can ensure that the rotating block 4, the head 6 and the connecting ring 2 are more sealed, and the drill jamming caused by slag feeding is prevented.
Specifically, the three rotating blocks 4 are identical in size.
In this embodiment, the size of the rotary block 4 is consistent, so that the rotary block 4 can be more sealed with the head 6 and the connection ring 2.
Specifically, the latch 7 is cylindrical in shape.
In this embodiment, the resistance of the latch 7 sliding in the movable groove 10 can be reduced by the cylindrical shape.
Specifically, the movable groove 10 is provided with a lubricant therein.
In this embodiment, the lubricant in the movable groove 10 can make the fixture block 7 slide in the movable groove 10 to have a better flow path, thereby preventing the occurrence of the jamming phenomenon.
Specifically, the drill spline body 1 rotates relative to the head 6 by fifty-eight degrees.
In this embodiment, the drill bit spline body 1 is in the best open state when rotating fifty-eight degrees relative to the head 6, and the limit size can meet the best stress state and strength requirements.
Specifically, the head 6 is made of hard alloy.
In this embodiment, the head 6 is made of hard alloy, so that the drill bit is not easily deformed during operation, and the service life of the drill bit is prolonged.
The working principle and the using process of the utility model are as follows: when the drill bit is installed, the head 6 is firstly contacted with the rock stratum and is not moved, the drill bit spline body 1 rotates clockwise relative to the head 6 under the action of external rotating force, when the drill bit spline body rotates, the rotating block 4 is contracted inwards through the mutual matching of the clamping block 7 and the movable groove 10, the rotating block 4 can be clamped when the rotating block 4 is contracted inwards through the fan-shaped block 9, when the drill bit spline body 1 rotates fifty-eight degrees relative to the head 6, the rotating block 4 is in a closed state, at the moment, the drill bit performs drilling work under the action of impact and rotating force, under the working state, the clamping block 7 on the rotating block 4 is matched with the movable groove 10, the left and right positioning can be realized, meanwhile, the rotating block 4 is limited to expand outwards, the fan-shaped block 4 is limited to contract inwards through the fan-shaped surface of the fan-shaped block 9, the automatic contraction and clamping can be realized, under the action of rotating force, the joint can be completely in a closed state, and thereby effectively preventing silt from entering the inside of the drill bit joint, causing jamming to occur, the rotary block 4 is brought into an open state by rotating the head 6 counterclockwise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a closed spiral piece is with pipe drill bit, includes drill bit spline body (1), its characterized in that: an opening (8) is formed at the bottom of the drill bit spline body (1), a connecting ring (2) is fixedly arranged at the upper end of the drill bit spline body (1), the upper end of the connecting ring (2) is provided with three clamping grooves (3) which are correspondingly distributed, the interiors of the three clamping grooves (3) are respectively and movably provided with a rotating block (4), the lower ends of the three rotating blocks (4) are respectively and fixedly provided with a clamping plate (5), the tops of the three rotating blocks (4) are respectively and fixedly provided with a clamping block (7), the upper end of the connecting ring (2) is provided with a head part (6), the lower end of the head part (6) is provided with three movable grooves (10) which are distributed correspondingly, the fixture block (7) is movably connected with the movable groove (10), three fan-shaped blocks (9) which are distributed correspondingly are fixedly arranged at the lower end of the head (6), and the fan-shaped blocks (9) are clamped with the rotating block (4).
2. The enclosed spiral-block casing drill bit of claim 1, wherein: rubber gaskets are fixedly arranged at the top and the bottom of the rotating block (4).
3. The enclosed spiral-block casing drill bit of claim 1, wherein: the three rotating blocks (4) are identical in size.
4. The enclosed spiral-block casing drill bit of claim 1, wherein: the fixture block (7) is cylindrical.
5. The enclosed spiral-block casing drill bit of claim 1, wherein: and a lubricant is arranged in the movable groove (10).
6. The enclosed spiral-block casing drill bit of claim 1, wherein: the drill bit spline body (1) rotates at a fifty-eight degree angle relative to the head (6).
7. The enclosed spiral-block casing drill bit of claim 1, wherein: the head (6) is made of hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745493.XU CN216341919U (en) | 2021-11-10 | 2021-11-10 | Closed rotary block pipe-following drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122745493.XU CN216341919U (en) | 2021-11-10 | 2021-11-10 | Closed rotary block pipe-following drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216341919U true CN216341919U (en) | 2022-04-19 |
Family
ID=81137259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122745493.XU Active CN216341919U (en) | 2021-11-10 | 2021-11-10 | Closed rotary block pipe-following drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216341919U (en) |
-
2021
- 2021-11-10 CN CN202122745493.XU patent/CN216341919U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 435400 Xinji Industrial Park, dongxinji community, Guangji Avenue, Wuxue City, Huanggang City, Hubei Province Patentee after: Wuxue Jinrui Precision Forging Co.,Ltd. Address before: 435400 Xinji Industrial Park, dongxinji community, Guangji Avenue, Wuxue City, Huanggang City, Hubei Province Patentee before: Wuxue Jinrui Precision Forging Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A closed rotary block and tube drill bit Effective date of registration: 20230922 Granted publication date: 20220419 Pledgee: Bank of China Limited Huanggang branch Pledgor: Wuxue Jinrui Precision Forging Co.,Ltd. Registration number: Y2023980057912 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |