CN106141336A - Screw tap extension bar sheathing tool - Google Patents

Screw tap extension bar sheathing tool Download PDF

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Publication number
CN106141336A
CN106141336A CN201610643498.2A CN201610643498A CN106141336A CN 106141336 A CN106141336 A CN 106141336A CN 201610643498 A CN201610643498 A CN 201610643498A CN 106141336 A CN106141336 A CN 106141336A
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CN
China
Prior art keywords
extension bar
screw tap
deep hole
thick stick
sheathing tool
Prior art date
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.)
Granted
Application number
CN201610643498.2A
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Chinese (zh)
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CN106141336B (en
Inventor
毕永谦
穆力波
张向阳
任伟
张富
吕英峰
王新华
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Shandong Iron and Steel Co Ltd
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Shandong Iron and Steel Co Ltd
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Publication date
Application filed by Shandong Iron and Steel Co Ltd filed Critical Shandong Iron and Steel Co Ltd
Priority to CN201610643498.2A priority Critical patent/CN106141336B/en
Publication of CN106141336A publication Critical patent/CN106141336A/en
Application granted granted Critical
Publication of CN106141336B publication Critical patent/CN106141336B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/26Manually-operated thread-cutting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting

Abstract

A kind of screw tap extension bar sheathing tool, comprising: sleeve, has relative the first end face, the second end face, and described first end face is provided with the first deep hole for inserting screw tap installation end, and described second end face is provided with the second deep hole;Extension bar, the first end inserts described second deep hole;Pulling thick stick, in shaft-like, be provided with installing hole, the second end of described extension bar inserts described installing hole so that described in pull thick stick described extension bar can be driven to rotate.The screw tap extension bar sheathing tool simple in construction that the present invention provides, it is selective that sleeve can form sizes specification, and screw tap is changed easy for installation, practical, and difficult drop-off.

Description

Screw tap extension bar sheathing tool
Technical field
The present invention relates to Machining Technology field, particularly to a kind of screw tap extension bar sheathing tool.
Background technology
At present, during maintenance, the part that puts together machines, the installation positioning screw hole of Assembly part of often damaging, the most not Easily it is found.When fixing with screw rod, the screw-in screw that screw rod cannot be correct, need to re-work by original thread lines with screw tap, But at this moment Assembly part has mostly the most been installed and has been put in place, narrow space, and die hob length is short in addition, cause tapping pull thick stick without Method uses, and operation easier is greatly reinforced.
For above not enough, develop in the industry multiple tapping lever apparatus, such as Patent No. CN201320226033.9 The open a kind of manual tapping instrument of Chinese patent, it includes manual screw tap handle and tapping extension bar, and described tapping connects The upper end of stock is provided with the tetragonal prism that the square slotted eye with described manual screw tap handle matches, and described tapping extension bar lower end sets Tapping female connector, described tapping female connector is had to offer square slotted eye.Due to the fact that and have employed tapping extension bar, the most processed Screwed hole have how deep, all manual screw tap handle can be made to have by the length selecting the most manual screw tap handle and/or tapping female connector The space rotated, therefore can be used for processing the screwed hole of the various degree of depth, and versatility is the most extensive.This device cannot fix screw tap, Inconvenient operation, the screw tap of a kind of dimensions is equipped with a kind of extension bar.
In consideration of it, the Chinese patent of Patent No. CN201320341847.7 provides the lengthening screw tap of a kind of band sleeve, its Including conehead, extension bar, socket end, conehead being provided with cutter tooth, conehead is connected with socket end small end by extension bar.Cone Connected by electric welding between head, extension bar, socket end.During use, the screw thread specification processed as required, choose required With the lengthening screw tap of sleeve, put into sleeve barrel tool, turnbarrel instrument at the bigger end of socket end, by extension bar, drive conehead Rotate, thus realize internal thread machining.Owing to this lengthening screw tap is welded with socket end in extension bar one end, therefore can fit simultaneously For electric tool be manually processed, simple in construction, easy to use.But, this lengthens screw tap and is soldered lengthening, in welding During screw tap heating after annealing, intensity hardness all can be substantially reduced, and impact is normal to be used.
Summary of the invention
It is an object of the invention to provide a kind of screw tap extension bar sheathing tool, simply, practicably to realize lengthening screw tap Operation.
To achieve these goals, the present invention provides following technical scheme:
A kind of screw tap extension bar sheathing tool, comprising: sleeve, has relative the first end face, the second end face, and described the End face is provided with the first deep hole for inserting screw tap installation end, and described second end face is provided with the second deep hole;Extension bar, the Described second deep hole is inserted in one end;Pulling thick stick, in shaft-like, be provided with installing hole, the second end of described extension bar inserts described installing hole, Pulling thick stick described in making can drive described extension bar to rotate.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described first deep hole, the second deep hole are square opening, described in add Stock the first end end is square.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described first deep hole, the second deep hole are provided with Magnet.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described Magnet is neodymium iron boron strong magnet.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described first deep hole, the base diameter reduction of the second deep hole, Described Magnet is adhered to described first deep hole, the bottom of the second deep hole by bonding agent.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described installing hole be located at throughly described in pull the middle part of thick stick, and Described installing hole is square opening, and the second end end of described extension bar is square at least partially.
Preferably, in above-mentioned screw tap extension bar sheathing tool, also include nut, the outside of described extension bar the second end end Part is cylindrical and is provided with threaded portion, and described threaded portion is connected with described nut, to pull described after described installing hole Thick stick is fixed on described extension bar the second end end.
Preferably, in above-mentioned screw tap extension bar sheathing tool, also include that pad, described pad are sheathed on described extension bar And at described nut with pull between thick stick.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described in pull the cross section in the middle part of thick stick and be square, the cross section at both ends Rounded.
Preferably, in above-mentioned screw tap extension bar sheathing tool, described sleeve, extension bar, the material of pulling thick stick are modifier treatment 45# steel.
Analyzing and understand, the screw tap extension bar sheathing tool simple in construction that the present invention provides, sleeve can form sizes rule Lattice are selective, and screw tap is changed easy for installation, practical, and difficult drop-off.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention and the structural representation of screw tap being installed on it;
Fig. 2 is the structural representation pulling thick stick of the embodiment of the present invention;
Fig. 3 is the structural representation of the extension bar of the embodiment of the present invention;
Fig. 4 is the structural representation of the sleeve of the embodiment of the present invention;
Fig. 5 is the profile of line A-A along Fig. 4;
Fig. 6 is the profile of line B-B along Fig. 4;
Fig. 7 is the structural representation of other sleeves one that may be used for the embodiment of the present invention;
Fig. 8 is the structural representation of other sleeves two that may be used for the embodiment of the present invention;
Fig. 9 is the structural representation of other sleeves three that may be used for the embodiment of the present invention;
Figure 10 is the structural representation of other sleeves four that may be used for the embodiment of the present invention;
Figure 11 is the structural representation of other sleeves one that may be used for the embodiment of the present invention.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further details below in conjunction with the accompanying drawings.
In describing the invention, term " longitudinally ", " laterally ", " on ", D score, "front", "rear", "left", "right", In " ", " vertically ", " level ", " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position Relation, is for only for ease of the description present invention rather than requires that the present invention must be with specific azimuth configuration and operation, the most not It is understood that as limitation of the present invention.The term used in the present invention " is connected ", " connection " should be interpreted broadly, for example, it is possible to It it is fixing connection, it is also possible to be to removably connect;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediate member, for For those of ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As it is shown in figure 1, the embodiment of the present invention includes: pull thick stick 1, extension bar 2, nut 3, pad 4, sleeve 5, Magnet 6.In order to The clearer structure illustrating the embodiment of the present invention and application, Fig. 1 also show screw tap 7.
Again as it is shown in figure 1, from top to bottom, screw tap 7 is generally used for machining internal thread, and its lower end is installed on sleeve 5.For another Shown in Fig. 4-Fig. 6, sleeve 5 has first relative end face the 510, second end face 520, and the first end face 510 is provided with for inserting First deep hole 51 of screw tap 7 installation end (lower end shown in Fig. 1), the second end face 520 is provided with the second deep hole 52.
As shown in Figure 1, Figure 3, the first end of extension bar 2 inserts the second deep hole 52.
As shown in Figure 1 and Figure 2, pulling thick stick 1 in shaft-like, be provided with installing hole 13, the second end of extension bar 2 inserts installing hole 13, makes Must pull thick stick 1 can drive extension bar 1 to rotate.
Visible, between sleeve 5 and the screw tap 7 of the present embodiment, between sleeve 5 and extension bar 2, extension bar 2 and pulling between thick stick 1 The most not using the fixing connected modes such as welding, whereby, each parts are the most readily replaceable, to meet all kinds of different demand.
Preferably, for ease of processing and transmission moment, as shown in Figure 5, Figure 6, first deep hole 51 of the present embodiment, the Two deep holes 52 are square opening, and correspondingly, extension bar 2 first end end 22 is square, and the installation end end of screw tap 7 is also square.
In order to increase screw tap 7, extension bar 2 insert the stability in first deep hole the 51, second deep hole 52, the first deep hole respectively 51, in the second deep hole 52, bottom is provided with Magnet 6, naturally it is also possible to be embedded in by Magnet 6 in first deep hole the 51, second deep hole 52 On wall.Preferably, Magnet 6 is " the strong magnetic of rare earth ", such as neodymium iron boron strong magnet.Further, first deep hole the 51, second deep hole 52 Base diameter reduction (the i.e. first deep hole 51 and the second deep hole 52 diameter in the center near sleeve 5 all reduces), shape Becoming the cylindrical deep hole that internal diameter is less, be conducive to placing Magnet 6, Magnet 6 is cylindrical, and it is deep that it is adhered to first by bonding agent In the bottom cylinder deep hole of hole the 51, second deep hole 52.This binding agent is preferably 502 glue, and it with ethyl α-cyanoacrylate is Main, add viscosifier, stabilizer, toughener, polymerization inhibitor etc., the one-component instantaneous solidification synthesized by vanguard technology is bonded Agent.
When connecting extension bar 2 and pull thick stick 1, installing hole 13 is located at the middle part 12 pulling thick stick 1 throughly, and installing hole 13 is square Hole, correspondingly, the second end end of extension bar 2 is square department 23 at least partially.This square department 23 inserts in installing hole 13, Pull thick stick 1 when driving extension bar 2 to rotate, it is simple to transmission moment.In order to increase the connective stability pulled between thick stick 1 and extension bar 2, this Embodiment also includes nut 3, preferably wing nut.Square department 23 Outboard Sections of extension bar 2 second end is cylindrical, on it Being provided with external screw thread, form threaded portion 24, threaded portion 24 is connected with nut 3 after installing hole 13, and now square department 23 just blocks Enter installing hole 13, thus thick stick 1 will be pulled and be fixed on extension bar 2 second end end.Further, the present embodiment also includes pad 4, pad Sheet 4 is sheathed on the threaded portion 24 of extension bar 2, and between nut 3 and the middle part 12 pulling thick stick 1.
Owing to installing hole 13 is positioned on the middle part 12 pulling thick stick 1, for the ease of being processed to form installing hole 13, pull in the middle part of thick stick 1 12 Cross section be square;Pulling thick stick 1 for ease of hand-held, the cross section at its both ends 11 is rounded.
Adsorbing for the ease of Magnet 6, sleeve 5, extension bar 2, screw tap 7 are all iron and steel material quality, further, and sleeve 5, lengthening Bar 2, pulling the 45# steel that material is modifier treatment of thick stick 1, modifier treatment here generally refers to: quenching+high tempering, quenched The main purpose processed is the comprehensive mechanical performance good in order to obtain plasticity, toughness, hardness and intensity.
When applying the present embodiment, can be different according to the square toes size of die hob, make the set of sizes specification Cylinder 5, extension bar 2 and pull thick stick 1 also should be according to the square toes size different choice of die hob as shown in Fig. 7-Figure 11, the first deep hole The size of the cross section of 51 can be more than or less than the size of cross section of the second deep hole 52, it is possible to the two equal sized.Root The size of square toes size and the square toes size of extension bar 2 according to screw tap 7 used determine the first deep hole 51 and the second deep hole Magnitude relationship between the size of the cross section of 52.The square toes size of screw tap 7 used and the square toes size of extension bar 2 are come certainly Determining sleeve 5 structure is to reduce up and down, amplify or in the same size.The square toes size of screw tap 7 is more than the square toes size of extension bar 2 Time, the size of the cross section of the first deep hole 51 is more than the size of the cross section of the second deep hole 52;The square toes size of screw tap 7 is equal to adding During the square toes size of stock 2, the size of the cross section of the first deep hole 51 can be equal to the size of the cross section of the second deep hole 52;Screw tap When the square toes of 7 are smaller in size than the square toes size of extension bar 2, the horizontal stroke being smaller in size than the second deep hole 52 of the cross section of the first deep hole 51 The size in cross section.When so using, can fit with it according to convenient selection of the square toes size of the square toes size of screw tap 7 and extension bar 2 The sleeve 5 closed.And the external dimensions of sleeve 5 is along with the size of the cross section of the first deep hole 51 and the chi of the second deep hole 52 cross section Very little change, when the size of the cross section of the i.e. first deep hole 51 is more than the size of the second deep hole 52 cross section, the first half of sleeve 5 External dimensions is more than the external dimensions of the lower half of sleeve 5;The cross section of the first deep hole 51 to be smaller in size than the second deep hole 52 horizontal During the size in cross section, the external dimensions of the first half of sleeve 5, less than the external dimensions of the lower half of sleeve 5, is beneficial to reduce set The overall volume of cylinder 5, and then reduce quality and the cost of manufacture of sleeve 5.
After selecting suitable screw tap 7, sleeve 5, the threaded portion 24 of extension bar 2 through after pulling the installing hole 13 of thick stick 1, the side of making Shape portion 23 is placed to pull in the square mounting hole 13 of thick stick 1.Pad 4 is enclosed within threaded portion 24 and fixes with nut 3.The of sleeve 5 Put into one end of extension bar 2 in two deep holes 52 and held by Magnet 6;Screw tap 7 is put into and also by magnetic in first deep hole 51 of sleeve 5 Ferrum 6 holds.Then, can carry out tapping internal thread operation, during operation, Magnet 6 can also be by after 7 tapping of screw tap Chip sucking-off, chip is not detained.The i.e. magnetic of Magnet 6 passes on screw tap 7, and during cutting, chip can adsorb the chip pocket at screw tap 7 In, take out of in the lump after having cut, particularly suitable to processing blind hole.
To sum up, the present invention has multiple advantages, such as:
Sleeve can configure sizes specification, and screw tap is changed easy for installation, practical.
Can firmly screw tap 7 be inhaled in the first deep hole 51 of sleeve 5, difficult drop-off.
Simple in construction, flexible operation.Tapping chip is taken out under magnetic effect from hole, and chip is not detained.
It is widely used, is applicable not only to maintenance, is suitable for machining simultaneously, when the tapping processing radius of gyration is less, make By the present invention, screw tap can be directed at screw hole center, convenient processing.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or the embodiment party of essential feature Case realizes.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.Institute The change within the scope of the present invention or within being equal to the scope of the present invention is had all to be included in the invention.

Claims (10)

1. a screw tap extension bar sheathing tool, it is characterised in that including:
Sleeve, has relative the first end face, the second end face, described first end face be provided with for insert screw tap installation end One deep hole, described second end face is provided with the second deep hole;
Extension bar, the first end inserts described second deep hole;
Pull thick stick, in shaft-like, be provided with installing hole, described extension bar second end insert described installing hole so that described in pull thick stick can Described extension bar is driven to rotate.
Screw tap extension bar sheathing tool the most according to claim 1, it is characterised in that described first deep hole, the second deep hole For square opening, described extension bar the first end end is square.
Screw tap extension bar sheathing tool the most according to claim 1, it is characterised in that described first deep hole, the second deep hole In be provided with Magnet.
Screw tap extension bar sheathing tool the most according to claim 3, it is characterised in that described Magnet is the strong magnetic of neodymium iron boron Ferrum.
Screw tap extension bar sheathing tool the most according to claim 3, it is characterised in that described first deep hole, the second deep hole Base diameter reduction, described Magnet is adhered to described first deep hole, the bottom of the second deep hole by bonding agent.
Screw tap extension bar sheathing tool the most according to claim 1, it is characterised in that described installing hole is located at institute throughly Stating the middle part pulling thick stick, and described installing hole is square opening, the second end end of described extension bar is square at least partially.
Screw tap extension bar sheathing tool the most according to claim 6, it is characterised in that also include nut, described extension bar The Outboard Sections of the second end end is cylindrical and is provided with threaded portion, described threaded portion through after described installing hole with described nut Connect, so that described thick stick of pulling is fixed on described extension bar the second end end.
Screw tap extension bar sheathing tool the most according to claim 7, it is characterised in that also include pad, described pad set It is located on described extension bar and at described nut with pull between thick stick.
Screw tap extension bar sheathing tool the most according to claim 6, it is characterised in that described in pull the cross section side of being in the middle part of thick stick Shape, the cross section at both ends is rounded.
Screw tap extension bar sheathing tool the most according to claim 1, it is characterised in that described sleeve, extension bar, pull thick stick The 45# steel that material is modifier treatment.
CN201610643498.2A 2016-08-05 2016-08-05 Screw tap extension bar sheathing tool Active CN106141336B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610643498.2A CN106141336B (en) 2016-08-05 2016-08-05 Screw tap extension bar sheathing tool

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CN201610643498.2A CN106141336B (en) 2016-08-05 2016-08-05 Screw tap extension bar sheathing tool

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CN106141336A true CN106141336A (en) 2016-11-23
CN106141336B CN106141336B (en) 2018-05-11

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08336725A (en) * 1995-06-13 1996-12-24 Fujikura Ltd Tapping auxiliary tool
CN2485082Y (en) * 2001-02-28 2002-04-10 刘树清 Threading apparatus
CN202922051U (en) * 2012-11-05 2013-05-08 中高柴油机重工有限公司 Tapping extension rod
CN203265810U (en) * 2013-04-27 2013-11-06 中国重汽集团杭州发动机有限公司 Lengthened tool for manual tapping
CN203471091U (en) * 2013-10-09 2014-03-12 山东博特精工股份有限公司 High precision spindle extended hole internal thread machining tool
CN104400150A (en) * 2014-11-16 2015-03-11 重庆丰运机械制造有限责任公司 Screw tap handle
CN205927385U (en) * 2016-08-05 2017-02-08 山东钢铁股份有限公司 Screw tap extension bar suit instrument

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08336725A (en) * 1995-06-13 1996-12-24 Fujikura Ltd Tapping auxiliary tool
CN2485082Y (en) * 2001-02-28 2002-04-10 刘树清 Threading apparatus
CN202922051U (en) * 2012-11-05 2013-05-08 中高柴油机重工有限公司 Tapping extension rod
CN203265810U (en) * 2013-04-27 2013-11-06 中国重汽集团杭州发动机有限公司 Lengthened tool for manual tapping
CN203471091U (en) * 2013-10-09 2014-03-12 山东博特精工股份有限公司 High precision spindle extended hole internal thread machining tool
CN104400150A (en) * 2014-11-16 2015-03-11 重庆丰运机械制造有限责任公司 Screw tap handle
CN205927385U (en) * 2016-08-05 2017-02-08 山东钢铁股份有限公司 Screw tap extension bar suit instrument

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