CN207332767U - A kind of drill bit for water mill drilling machine - Google Patents
A kind of drill bit for water mill drilling machine Download PDFInfo
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- CN207332767U CN207332767U CN201720868248.9U CN201720868248U CN207332767U CN 207332767 U CN207332767 U CN 207332767U CN 201720868248 U CN201720868248 U CN 201720868248U CN 207332767 U CN207332767 U CN 207332767U
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- straight slot
- sleeve
- drilling pipe
- drill bit
- water mill
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Abstract
The utility model discloses a kind of drill bit for water mill drilling machine, solve drilling pipe and go deep into floor progress circumgyration incision, drilling pipe is in circumgyration incision, contact area between the outer wall of drilling pipe and cutting hole is increasing, so that motor constantly increases load, the problem of being easy to cause motor or gear-box damage, its key points of the technical solution are that including drilling pipe, one end of the drilling pipe is equipped with blade ring, the diameter of the blade ring is more than drilling pipe diameter, the drilling pipe outer cover is equipped with sleeve, institute's sleeve outer wall is equipped with the straight slot through length sleeve direction, the cross section of the straight slot is in discount vibram outlet shape, multiple balls are equipped with the straight slot, the straight slot has three or more than three along sleeve outer wall circle distribution, reach the friction reduced between drill bit outer wall and cutting hole inner wall, effectively to reduce the effect of the probability of motor or gear-box damage.
Description
Technical field
Water mill drilling equipment field is the utility model is related to, more specifically, it relates to a kind of brill for water mill drilling machine
Head.
Background technology
When repairing builds building reconstruction, people are often by the professional tool to many, such as the water punched to floor
Sharpening machine.
Water mill drilling machine, as shown in Figure 1, including base 1, the base 1 is rectangular, and four in base 1 diagonally open
There is through hole 12, through hole 12 is connected with screw 13 so that water mill drilling machine at work, is fixed by screw 13 and reaches firm effect
Fruit；The end on the right side of base 1 is welded with square tube 11, and the reverse side of square tube 11 towards base 1 is welded with spur rack 14, and in side
Sliding is socketed with pipe 11 has the descending operation engaged with spur rack 14 in the lifting body 15 of square tube 11, the rotatable connection of lifting body 15
Handle 18, by the rotation of descending operation handle 18, to control the sliding up and down of lifting body 15；Lifting body 15 is towards base 1
Reverse side is welded with gear-box 16, and motor 161 is fixed with the upper end of gear-box 16, and the lower end of gear-box 16 is connected with drilling pipe
19, and drilling pipe 19 is hollow boring bit, the rotation torque of the drive drilling pipe 19 of motor 161 is improved by gear-box 16 so that water mill bores
Machine reaches the moment of torsion that can be punched to floor；Water seal 17 is provided between gear-box 16 and drilling pipe 19, is connected by external water pipe
Water seal 17, water is passed through in drill bit so that water mill drilling machine constantly cools down in circumgyration incision, by water to drilling pipe 19, to protect
Protect drill bit；And effective humidifying dust, it is effectively reduced dust caused by grooved bit floor.
But when needing to thicker floor punching, drilling pipe 19 needs to go deep into floor progress circumgyration incision so that drilling pipe
19 in circumgyration incision, and the contact area between the outer wall and floor of drilling pipe 19 is increasing, and frictional force is increasing so that electricity
Machine 161 constantly increases load, is easy to cause the problem of motor 161 or gear-box 16 damage.
Utility model content
The purpose of this utility model is to provide a kind of drill bit for water mill drilling machine, reaches and reduces drill bit outer wall and cutting hole
Friction between inner wall, effectively to reduce the effect of the probability of motor or gear-box damage.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind is used for water mill drilling machine
Drill bit, including drilling pipe, one end of the drilling pipe be equipped with blade ring, and the diameter of the blade ring is more than drilling pipe diameter, the brill
Cylinder outer cover is equipped with sleeve, and the sleeve outer wall, which is equipped with along the perforative straight slot in length sleeve direction, the cross section of the straight slot, is in
Discount vibram outlet shape, is equipped with multiple balls in the straight slot, the straight slot has three or more than three along sleeve outer wall circle distribution.
Using above-mentioned technical proposal, the diameter of blade ring is more than drilling pipe diameter, so that being socketed in the sleeve outside drilling pipe
Blade ring is contacted at away from blade end；The multiple balls being placed in straight slot so that when drilling pipe rotates, reduce drilling pipe and cutting hole
Between frictional force；The cross section of straight slot is discount vibram outlet shape so that it is placed on ball in straight slot and is partially protrude through sleeve outer wall, and
It is difficult to drop from straight slot, to improve ball and cut the contact area between hole, smoothness when increase drilling pipe rotates；Straight slot
There are three or more than three along sleeve outer wall circle distribution, increase is arranged between the ball in straight slot and cutting hole inner wall
Contact area, improves the rotating smoothness of drilling pipe.
Further, multiple gag lever posts for adjacent ball to be separated are equipped with the straight slot.
Using above-mentioned technical proposal, in the gag lever post for separating adjacent ball, there is provided give ball single activity space, with
Prevent from mutually contradicting between ball and causing ball to be difficult to rotation.
Further, the end of the gag lever post is contacted between adjacent ball, and the end of gag lever post is in hemispherical.
Using above-mentioned technical proposal, contradicted between gag lever post and ball with hemispheric end so that ball more holds
The easily rotation in cutting.
Further, the slip hole slid for gag lever post towards sleeve axis direction, the slip hole are equipped with the straight slot
It is interior to be equipped with the elastic component for contacting at slip hole bottom and gag lever post bottom.
Using above-mentioned technical proposal, slip hole and elastic component are set so that toward when being put into ball in straight slot, pass through rolling
Pearl contradicts with spacing rod end so that gag lever post, which is extruded, to be retracted in slip hole, and then ball falls automatically.
Further, the straight slot is disposed to extend for straight-line groove and along the axis direction of sleeve.
Using above-mentioned technical proposal, straight slot is set linearly, is contacted easy to ball with cutting hole inner wall.
Further, the straight slot is disposed to extend for curved groove and along the axial direction of sleeve.
Using above-mentioned technical proposal, straight slot sets curvilinear, increase ball and the contact area for cutting hole inner wall.
Further, end of the drilling pipe away from blade ring is equipped with the fixed plate that sleeve is fixed on to drilling pipe.
Using above-mentioned technical proposal, the fixed plate of setting so that sleeve is fixed on drilling pipe and closes straight slot by fixed plate, is made
Ball is obtained to be difficult to come off from straight slot.
Further, the blade ring towards drilling pipe end be equipped with connection straight slot storage tank, the cross section of the storage tank with
Straight slot cross section is consistent.
Using above-mentioned technical proposal, the cross section of the storage tank of setting and the cross section of straight slot are in the same size, in order to roll
Pearl drops in storage tank, so that blade ring, when hole is cut in incision, ball contacts at cutting hole, to reduce to the full extent
Frictional force during circumgyration incision between drilling pipe and cutting hole.
In conclusion the utility model has the advantages that：By being arranged on telescopic gag lever post in straight slot, with
So that adjacent ball has respective separate space in straight slot；And by the cross section of straight slot it is in discount vibram outlet shape so that be placed on logical
Ball is partially protrude through sleeve outer wall in groove, and is difficult to drop from straight slot, to improve ball with cutting the contact between hole
Area, smoothness when increase drilling pipe rotates；Because straight slot runs through the setting of drilling pipe outer wall so that when replacing ball, open solid
Fixed board, places new ball towards straight slot and contradicts old ball replacement.
Brief description of the drawings
Fig. 1 is water mill drill structure diagram of the prior art；
Fig. 2 is the drill bit structure exploded perspective view in the present embodiment one；
Fig. 3 is the connection structure diagrammatic cross-section of the ball and gag lever post in the present embodiment one；
Fig. 4 is the drill bit structure schematic diagram in the present embodiment two.
In figure：1st, base；11st, square tube；12nd, through hole；13rd, screw；14th, spur rack；15th, lifting body；16th, gear-box；
161st, motor；17th, water seal；The 18th, operating handle drops；19th, drilling pipe；191st, limited block；192nd, blind end；193rd, threaded hole；2nd, knife
Sword ring；21st, storage tank；3rd, sleeve；31st, straight slot；311st, ball；312nd, gag lever post；313rd, elastic component；314th, slip hole；315、
Limiting plate；316th, telescopic hole；32nd, limiting slot；4th, elastic ring；41st, slot；5th, fixed plate；51st, bolt；52nd, gland.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Embodiment one：A kind of drill bit for water mill drilling machine, as shown in attached drawing 2 and attached drawing 3, including drilling pipe 19, drilling pipe 19
Lower end be welded with blade ring 2, sleeve 3 is socketed with drilling pipe 19, the diameter of blade ring 2 is more than 19 diameter of drilling pipe so that socket
Sleeve 3 in drilling pipe 19 contacts at 2 upper end of blade ring.
The length direction of sleeve 3 offers straight slot 31, the linear extension on the outer wall of sleeve 3 of straight slot 31, and straight slot 31 runs through
3 both ends of sleeve and connection 3 outer wall of sleeve, are placed with multiple balls 311 in straight slot 31, the cross section of straight slot 31 is in discount vibram outlet shape, is made
Ball 311 in straight slot 31 must be placed on and be partially protrude through 3 outer wall of sleeve；Straight slot 31 uniformly divides on the circumferencial direction of sleeve 3
The six roots of sensation is furnished with, with the conflict area for increasing ball 311 with cutting hole inner wall.
Limited block 191 is welded with the outer wall of drilling pipe 19, limited block 191 is extended along the length direction of drilling pipe 19, limit
The length of the length and drilling pipe 19 of position block 191 is isometric, and limited block 191 is two, and two limited blocks 191 are opposite to be arranged in parallel；
The inner wall of sleeve 3 is provided with the limiting slot 32 through 3 length direction of sleeve, and limited block 191 is inserted into spacing when sleeve 3 is inserted in drilling pipe 19
In groove 32 so that sleeve 3 is difficult to rotation with respect to drilling pipe 19.Drilling pipe 19 is blind end 192 away from 2 end of blade ring, with blind end 192
Center be evenly distributed with six threaded holes 193 for round dot, the drilling pipe 19 of blind end 192 is socketed with elastic ring 4, elastic ring
4 be rubber ring, the slot 41 big with the grade of limited block 191 is provided with elastic ring 4 so that limited block when elastic ring 4 is inserted in drilling pipe 19
In 191 insertion slots 41 so that elastic ring 4 is difficult to rotation with respect to drilling pipe 19.After being inserted in elastic ring 4, covered on blind end 192
There is fixed plate 5, fixed plate 5 is fixed by bolt 51 and the threaded connection of threaded hole 193.The center location weldering of fixed plate 5
It is connected to gland 52.
Gag lever post 312 is equipped with straight slot 31 between adjacent ball 311, gag lever post 312 is with the end that ball 311 contradicts in half
It is spherical, easy rotation when contradicting gag lever post 312 in order to ball 311；Straight slot 31 is provided with the slip hole to stretch for gag lever post 312
314, slip hole 314 is provided with telescopic hole 316 towards 3 outer wall end of sleeve, and the diameter of telescopic hole 316 is less than 314 diameter of slip hole, limit
Position bar 312 is welded with limiting plate 315 towards 3 inner wall end of sleeve so that gag lever post 312 is difficult to depart from slip hole 314；Limiting plate
Flexible part 313 is contradicted between 315 and slip hole 314, elastic component 313 is spring so that gag lever post 312, which is extruded, is retracted to cunning
Move in hole 314, then ball 311 falls automatically, easy to the placement of ball 311.
Blade ring 2 contradicts end with sleeve 3 and offers storage tank 21, and storage tank 21 is connected with straight slot 31, the horizontal stroke of storage tank 21
Section is discount vibram outlet shape, and the size of storage tank 21 is in the same size with straight slot 31.
The course of work and principle：By being arranged on telescopic gag lever post 312 in straight slot 31, so that adjacent ball 311
There is respective separate space in straight slot 31；When ball 311 is placed in straight slot 31, by mutual between ball 311
Extruding gag lever post 312 is contradicted, gag lever post 312 is retracted in slip hole 314, falls under ball 311；The cross section of straight slot 31 is in discount vibram outlet
Shape so that be placed on ball 311 in straight slot 31 and be partially protrude through 3 outer wall of sleeve, and be difficult to drop from straight slot 31, to improve
Contact area between ball 311 and cutting hole, smoothness when increase drilling pipe 19 rotates；Because straight slot 31 runs through 19 outer wall of drilling pipe
Setting so that when replacing ball 311, open fixed plate 5, place new ball 311 towards straight slot 31 and contradict old ball 311 more
Change.
Embodiment two：A kind of drill bit for water mill drilling machine, is with one difference of embodiment, as shown in Figure 4, leads to
The advantages of groove 31 is extended along the axis direction of sleeve 3, but it is corrugated curve that it, which extends track, the setting is in curve
The placement quantity of ball 311, increase ball 311 and the contact area for cutting hole inner wall can be increased.
Claims (8)
1. a kind of drill bit for water mill drilling machine, including drilling pipe (19), it is characterized in that：One end of the drilling pipe (19) is equipped with blade
Ring (2), the diameter of the blade ring (2) are more than drilling pipe (19) diameter, and drilling pipe (19) outer cover is equipped with sleeve (3), described
Sleeve (3) outer wall is equipped with along the perforative straight slot of sleeve (3) length direction (31), and the cross section of the straight slot (31) is in discount vibram outlet shape,
Multiple balls (311) are equipped with the straight slot (31), the straight slot (31) has three or three along sleeve (3) outer wall circle distribution
More than a.
2. a kind of drill bit for water mill drilling machine according to claim 1, it is characterized in that：It is equipped with the straight slot (31) more
A gag lever post (312) for adjacent ball (311) to be separated.
3. a kind of drill bit for water mill drilling machine according to claim 2, it is characterized in that：The end of the gag lever post (312)
Portion is contacted between adjacent ball (311), and the end of gag lever post (312) is in hemispherical.
4. a kind of drill bit for water mill drilling machine according to claim 3, it is characterized in that：It is equipped with and supplies in the straight slot (31)
The slip hole (314) that gag lever post (312) slides towards sleeve (3) axis direction, interior be equipped with of the slip hole (314) contact at cunning
Move the elastic component (313) of hole (314) bottom and gag lever post (312) bottom.
5. a kind of drill bit for water mill drilling machine according to claim 1, it is characterized in that：The straight slot (31) is straight-line groove
And it is disposed to extend along the axis direction of sleeve (3).
6. a kind of drill bit for water mill drilling machine according to claim 1, it is characterized in that：The straight slot (31) is curved groove
And it is disposed to extend along the axial direction of sleeve (3).
7. a kind of drill bit for water mill drilling machine according to claim 1-6 any one, it is characterized in that：The drilling pipe
(19) fixed plate (5) that sleeve (3) is fixed on to drilling pipe (19) is equipped with away from blade ring (2) end.
8. a kind of drill bit for water mill drilling machine according to claim 1, it is characterized in that：Blade ring (2) direction is bored
Cylinder (19) end is equipped with the storage tank (21) of connection straight slot (31), and the cross section and straight slot (31) cross section of the storage tank (21) are big
It is small consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868248.9U CN207332767U (en) | 2017-07-15 | 2017-07-15 | A kind of drill bit for water mill drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868248.9U CN207332767U (en) | 2017-07-15 | 2017-07-15 | A kind of drill bit for water mill drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207332767U true CN207332767U (en) | 2018-05-08 |
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ID=62378055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720868248.9U Active CN207332767U (en) | 2017-07-15 | 2017-07-15 | A kind of drill bit for water mill drilling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN207332767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202700A (en) * | 2019-07-08 | 2019-09-06 | 江苏金元素超硬材料有限公司 | A kind of grooved bit and its laser welding tooling |
| CN115773068A (en) * | 2023-01-31 | 2023-03-10 | 陕西延长石油矿业有限责任公司 | Automatic rock mass drilling device and method |
-
2017
- 2017-07-15 CN CN201720868248.9U patent/CN207332767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202700A (en) * | 2019-07-08 | 2019-09-06 | 江苏金元素超硬材料有限公司 | A kind of grooved bit and its laser welding tooling |
| CN115773068A (en) * | 2023-01-31 | 2023-03-10 | 陕西延长石油矿业有限责任公司 | Automatic rock mass drilling device and method |
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