CN2082754U - Drilling and reaming serial combined drills for laying building pipeline - Google Patents

Drilling and reaming serial combined drills for laying building pipeline Download PDF

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Publication number
CN2082754U
CN2082754U CN 91200273 CN91200273U CN2082754U CN 2082754 U CN2082754 U CN 2082754U CN 91200273 CN91200273 CN 91200273 CN 91200273 U CN91200273 U CN 91200273U CN 2082754 U CN2082754 U CN 2082754U
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CN
China
Prior art keywords
drill bit
blade
drill
reaming
bit
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN 91200273
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Chinese (zh)
Inventor
于宏昆
Original Assignee
于宏昆
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 于宏昆 filed Critical 于宏昆
Priority to CN 91200273 priority Critical patent/CN2082754U/en
Publication of CN2082754U publication Critical patent/CN2082754U/en
Withdrawn legal-status Critical Current

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Abstract

Disclosed is a series combined drill, belonging to a hole drilling and expanding tool used with electric hand drills for installing pipes and wires for the interior and exterior decoration of buildings. The series combined drill is formed by a plurality of drill shanks with different lengths and drill bits with different diameters which are provided with a changeable carbide blade carbide tool blade. With advantages of portable and flexible use, low cost, high work efficiency and free of sharpening, the utility model is applied to hole drilling and expanding on walls.

Description

The utility model belongs to architectural interior and exterior finishes, when pipeline install to bore reaming and Electric portable drill, Churn drill, the matching used combined drill of electric hammer instrument.
Present interior and exterior finishes in construction work, particularly supply water,, gas, during the pipeline of hot system is installed, often need bore a large amount of wall through holes excessively on body of wall, this class work accounts for about 40% of whole erection workload, big slightly at bore diameter, when body of wall is thick slightly, manual operations labour intensity is bigger, and body of wall is had destruction, as using higher electric hammer and the alloy bit of price, operation is heavy again, inconvenience is at the roving high-rise working of needs, and when drill bit was not sharp, the job site can't resolve sharpening again, influence operating efficiency, so just using to engineering makes troubles.
The purpose of this utility model provides a kind ofly can bore the hole of expanding different length and diameter in the pipeline installing engineering, can change the combined drill of blade again at any time.It can be equipped with convertible blade by the drillstock of several different lengths on the drill bit of several different-diameters, become the series of combination drill bit and with the supporting use of class instrument such as Electric portable drill.
Accompanying drawing has been described an embodiment of the present utility model.
Accompanying drawing 1 is the overall diagram of series of combination drill bit.Combined drill be by three length be divided into long, in, short drillstock (1), three diameters are divided into large, medium and small drill bit (2), convertible blade (3) is housed on each drill bit, and drillstock (1) is connected with standard thread with drill bit (2), can form the series of combination of 9 kinds of cooperations.
Accompanying drawing 1(a) is series of combination drill bit shank structure chart.Drillstock (1) is a cylinder, and an end is the triangular prism (4) that cooperates with the Electric portable drill dop, and the other end is the standard thread (5) that cooperates with drill bit, that drillstock can be divided into is long, in, short three kinds of length, scope is about 120~450 millimeters.
Accompanying drawing 1(b) is series of combination drill bit minor diameter drill bit structure figure.Drill bit is the single blade structure, and diameter can be below 25 millimeters.
Accompanying drawing 1(c) be diameter drill bit structure figure in the series of combination drill bit, drill bit is 2~3 blade structures, and diameter can be at 20~45 millimeters.
Accompanying drawing 1(d) be series of combination drill bit major diameter reamer bit structure figure, drill bit is the 3-4 blade structure, and diameter is at 40~80 millimeters, and there is a circular positioning pipe (6) the drill bit front portion, and the mouth of pipe has the taper gradient, and chip removal through hole (7) also will be arranged on the drill bit.
These three kinds of drill bits all have the V-type groove (8) of edge blade.
Accompanying drawing 2(a) is minor diameter drill tip structure chart.Blade is hexagonal, and drift angle is about 120 °.
Accompanying drawing 2(b) be in, major diameter drill tip structure chart.Blade is an equilateral triangle, the front center of these two kinds of blades all has conical grooves (9), available sunk screw is fixed on drill bit V-type groove (8) with blade and locates, there is boss platform (10) at blade reverse side center, in the V-type groove of edge blade corresponding round recessed is arranged on the drill bit, when the drill bit working blade is stressed, play the role of positioning, on these two kinds of blades chip-breaker (11) is arranged all.
The series of combination drill bit can be manufactured with general steel, will heat-treat and boil black the processing after the machine, to improve hardness and antiseptic property, blade is manufactured with carbide alloy, be suitable for powder metallurgic method standardized production in enormous quantities, class such as the above Electric portable drill of adapted 350W according to the job site needs, can be adjusted drill bit shank flexibly in the pipeline of general body of wall is installed, and can change blade at any time, both portable and smart, high efficiency has also reduced the construction tool expense simultaneously.

Claims (5)

1, a kind of brill reaming bit that is used for building finishing, it is characterized in that: the drill bit by several different length drillstocks and several different-diameters becomes the series of combination drill bit.
2, drill bit according to claim 1 is characterized in that: convertible blade is housed on the drill bit.
3, drill bit according to claim 2 is characterized in that: the minor diameter drill bit is the single blade structure, single blade is a hexagon, and middle diameter drill bit is 2~3 blade structures, and the major diameter reaming bit is 3~4 blade structures, the multitool sheet is an equilateral triangle, and the V-type groove of edge blade is arranged on the drill bit.
4, drill bit according to claim 3 is characterized in that: there is the round recessed that is screwed into sunk screw in the blade front, and there is the setting circle boss at the back side, and corresponding setting circle groove is also arranged in the drill bit V-type groove.
5, drill bit according to claim 3 is characterized in that: positioning pipe is arranged before the reamer, and the chip removal through hole is arranged.
CN 91200273 1991-01-11 1991-01-11 Drilling and reaming serial combined drills for laying building pipeline Withdrawn CN2082754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91200273 CN2082754U (en) 1991-01-11 1991-01-11 Drilling and reaming serial combined drills for laying building pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91200273 CN2082754U (en) 1991-01-11 1991-01-11 Drilling and reaming serial combined drills for laying building pipeline

Publications (1)

Publication Number Publication Date
CN2082754U true CN2082754U (en) 1991-08-14

Family

ID=4911277

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91200273 Withdrawn CN2082754U (en) 1991-01-11 1991-01-11 Drilling and reaming serial combined drills for laying building pipeline

Country Status (1)

Country Link
CN (1) CN2082754U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1081281C (en) * 1998-09-02 2002-03-20 王培林 Geological cutting drill bit
CN101806149A (en) * 2010-04-26 2010-08-18 耿直 Inner convex fixing bolt construction method, convex drill and deformed gasket
CN107002464A (en) * 2014-12-30 2017-08-01 哈利伯顿能源服务公司 Wellbore tool reaming device assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1081281C (en) * 1998-09-02 2002-03-20 王培林 Geological cutting drill bit
CN101806149A (en) * 2010-04-26 2010-08-18 耿直 Inner convex fixing bolt construction method, convex drill and deformed gasket
CN107002464A (en) * 2014-12-30 2017-08-01 哈利伯顿能源服务公司 Wellbore tool reaming device assembly

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Addressee: Yu Hongkun

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Addressee: Yu Hongkun

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee