CN104400150A - Screw tap handle - Google Patents
Screw tap handle Download PDFInfo
- Publication number
- CN104400150A CN104400150A CN201410646717.3A CN201410646717A CN104400150A CN 104400150 A CN104400150 A CN 104400150A CN 201410646717 A CN201410646717 A CN 201410646717A CN 104400150 A CN104400150 A CN 104400150A
- Authority
- CN
- China
- Prior art keywords
- handle
- sleeve
- hole
- tap
- threaded rod
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
The invention discloses a screw tap handle which can overcomes the defects that an existing screw cap handle has poor versatility and one type of handles can only adapt to one type of screw taps. The screw cap handle comprises a handle and a sleeve; the sleeve sleeves the handle; the middle of the sleeve is provided with a square hole; the sleeve is internally provided with an elastic sleeve; the middle of the elastic sleeve is provided with a rectangular through hole; one end of the handle is provided with a threaded rod; the handle is a smooth cylindrical post; the outer diameter of the threaded rod is greater than the diameter of the handle; the axis of the handle and the axis of the threaded rod are collinear; the inner hole of the sleeve is a threaded hole; the threaded rod is in threaded connection with the sleeve.
Description
Technical field
The invention belongs to screw thread process field, be specifically related to a kind of tap handle.
Background technology
Screw tap be processing various in, the cutter of small size internal thread, its structure is simple, easy to use, both manually actuated, also can work on lathe, apply widely aborning.Machine use and set tap are the die hobs of cutting regular screw threads.China calls machine tap high-speed steel geared tap higher for the accuracy of manufacture traditionally, and tooth (or incisor) screw tap that rolls of carbon tool steel or alloy tool steel is called set tap, and in fact both structures are substantially identical with operation principle.Usually, screw tap is made up of working portion and shank.Working portion divides again cutting tip and calibrated section, and the former has cutting cone by mill, and undertake cutwork, the latter is in order to calibrate the size and dimension of screw thread.
During tapping, tapping is carried out in the square toes rotation that conventional tapping clamp etc. clamps screw tap bar portion; The screwed hole of attacking different-diameter needs the screw tap of different model, then screw tap bar portion square toes size is not identical yet for the different screw tap of diameter, when tap tapping is carried out in the hole being particularly greater than 12 millimeters to diameter, the square toes size difference of the screw tap that the screwed hole of different-diameter is corresponding is larger.Need when attacking the screwed hole of different-diameter to carry out tapping with different tapping clamps, but existing tap handle is a kind of screw tap of the corresponding a kind of specification of handle of model, therefore the tapping clamp operating efficiency that the screw of attacking different-diameter needs replacing different is lower high with tapping clamp manufacturing cost.
There is versatility difference in existing tap handle as can be seen here, and a kind of handle of model can only for a kind of deficiency of screw tap of model.
Summary of the invention
The technical problem to be solved in the present invention there is versatility difference for existing tap handle, a kind of handle of model can only for a kind of deficiency of screw tap of model, there is provided a kind of tap handle to have versatility strong, a kind of handle capable of being of model is applicable to the feature of the screw tap installation of Multiple Type.
In order to solve the problems of the technologies described above, the invention provides following technical scheme: tap handle, comprise handle and sleeve, described jacket casing is located on handle, square hole is provided with in the middle part of described sleeve, resilient sleeve is provided with in described sleeve, described resilient sleeve is cylinder and larger than the diameter of bore of sleeve 5 millimeters of the diameter footpath of resilient sleeve, the length of described resilient sleeve is the half of length sleeve, the both ends of the surface roughness of described resilient sleeve is large, rectangular through-hole is provided with in the middle part of described resilient sleeve, the axial line of described rectangular through-hole and the axial line conllinear of square hole, the area of section of described rectangular through-hole is less than the area of section of square hole, one end of described handle is provided with threaded rod, described handle is smooth cylindrical, the external diameter of described threaded rod is larger than the diameter of handle, the axial line of described handle and the axial line conllinear of threaded rod, the endoporus of described sleeve pipe is screwed hole, described threaded rod is connected with bush whorl.
Adopt the tap handle of technical solution of the present invention, comprise handle and sleeve; Described jacket casing is located on handle, and handle rotating band moving sleeve rotates.Be provided with square hole in the middle part of described sleeve, the square toes of screw tap are inserted in sleeve by square hole.Be provided with resilient sleeve in described sleeve, be provided with rectangular through-hole in the middle part of described resilient sleeve, resilient sleeve plays a part to clamp screw tap, and screw tap inserts in the rectangular through-hole of resilient sleeve.One end of described handle is provided with threaded rod, described handle is smooth cylindrical, the external diameter of described threaded rod is larger than the diameter of handle, the axial line of described handle and the axial line conllinear of threaded rod, the endoporus of described sleeve pipe is screwed hole, described threaded rod is connected with bush whorl, threaded rod extruding resilient sleeve, the square toes of resilient sleeve crimp clamping screw tap.
Operation principle of the present invention and beneficial effect are: when using this tap handle, turning handle makes handle move to the direction away from resilient sleeve thus make resilient sleeve be in relaxed state, tap holder is inserted in the rectangular through-hole in resilient sleeve, turning handle makes handle move near the direction of resilient sleeve, the extruding that resilient sleeve is subject to threaded rod makes resilient sleeve contraction distortion, after resilient sleeve is extruded distortion, rectangular through-hole distortion is reduced, and tap holder is clamped by resilient sleeve.Turning handle regulates the stroke of threaded rod thus controls the deformation extent of resilient sleeve, thus changes resilient sleeve to the size of tap holder chucking power.When the cutting force be subject to when screw tap is in tapping is greater than the chucking power of resilient sleeve to screw tap, screw tap there will be skidding, ensures that screw tap can not be fractureed.Particularly with screw tap for often there will be the phenomenon that screw tap fractures during tapped blind hole, affect manufacturing schedule.
The present invention is the contraction distortion clamping screw tap by resilient sleeve, and because resilient sleeve has telescopic resilience, the screw tap that can realize different size shares the tap handle of a model.
Further, the two ends of described sleeve are respectively equipped with two screwed holes, are provided with holding screw in described screwed hole.When regulating holding screw to position handle after resilient sleeve clamping screw tap, prevent in the process of rotating at handle, handle moves to the direction away from resilient sleeve and reduces resilient sleeve to the chucking power of screw tap.
Further, described handle is provided with rubbing surface.People increases the frictional force between handle and hand when turning handle.
Further, the end of described handle is provided with interior hexagonal blind hole.Give diameter compared with hole tapping time, in hexagonal blind hole, extension bar can be installed in handle end, increase the rotating torque in tapping process, make people more laborsaving.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
Fig. 1 is the schematic diagram of tap handle embodiment of the present invention.
Reference numeral: handle-1, holding screw-2, sleeve-3, square hole-4, resilient sleeve-5.
Detailed description of the invention
As shown in Figure 1, tap handle 1 of the present invention is made up of two handles 1 and a sleeve 3, the endoporus of sleeve 3 is screwed hole, the middle part of sleeve 3 is provided with square hole 4, sleeve 3 two ends are respectively equipped with two screw holes, be provided with holding screw 2 in screw hole, in sleeve 3, be provided with resilient sleeve 5, in the middle part of resilient sleeve 5, be provided with rectangular through-hole.The axial line of rectangular through-hole and the axial line conllinear of square hole 4, one end of handle 1 is provided with threaded rod, and handle 1 is smooth cylindrical, and the external diameter of threaded rod is larger than the diameter of handle 1, and the axial line of threaded rod and the axial line conllinear of handle 1, threaded rod is threaded with sleeve 3.
In specific implementation process, handle 1 is one-body molded with threaded rod, and when using this tap handle 1, first rotation lock screw makes handle 1 freely rotate, and turning handle 1 makes handle 1 move to the direction away from resilient sleeve 5 thus make resilient sleeve 5 be in relaxed state.The tap holder of screw tap is inserted in the rectangular through-hole in resilient sleeve 5, turning handle 1 makes handle 1 move near the direction of resilient sleeve 5, the extruding that resilient sleeve 5 is subject to threaded rod makes resilient sleeve 5 contraction distortion, after resilient sleeve 5 is extruded distortion, rectangular through-hole distortion is reduced, and tap holder is clamped by resilient sleeve 5.
Regulate the stroke of threaded rod thus the deformation extent of control resilient sleeve 5, thus change the chucking power of resilient sleeve 5 pairs of tap holders.When the cutting force be subject to when screw tap is in tapping is greater than the chucking power of resilient sleeve 5 pairs of screw taps, screw tap there will be skidding, ensures that screw tap can not be fractureed.Particularly with screw tap for often there will be the phenomenon that screw tap fractures during tapped blind hole, affect manufacturing schedule.
For a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. tap handle, is characterized in that: comprise handle and sleeve, described jacket casing is located on handle, square hole is provided with in the middle part of described sleeve, resilient sleeve is provided with in described sleeve, described resilient sleeve is cylinder and larger than the diameter of bore of sleeve 5 millimeters of the diameter footpath of resilient sleeve, the length of described resilient sleeve is the half of length sleeve, the both ends of the surface roughness of described resilient sleeve is large, rectangular through-hole is provided with in the middle part of described resilient sleeve, the axial line of described rectangular through-hole and the axial line conllinear of square hole, the area of section of described rectangular through-hole is less than the area of section of square hole, one end of described handle is provided with threaded rod, described handle is smooth cylindrical, the external diameter of described threaded rod is larger than the diameter of handle, the axial line of described handle and the axial line conllinear of threaded rod, the endoporus of described sleeve pipe is screwed hole, described threaded rod is connected with bush whorl.
2. tap handle as claimed in claim 1, is characterized in that: the two ends of described sleeve are respectively equipped with two screwed holes, are provided with holding screw in described screwed hole.
3. tap handle as claimed in claim 2, is characterized in that: described handle is provided with rubbing surface.
4. tap handle as described in claim 1 or 2 or 3, is characterized in that: the end of described handle is provided with interior hexagonal blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646717.3A CN104400150A (en) | 2014-11-16 | 2014-11-16 | Screw tap handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410646717.3A CN104400150A (en) | 2014-11-16 | 2014-11-16 | Screw tap handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400150A true CN104400150A (en) | 2015-03-11 |
Family
ID=52637850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410646717.3A Pending CN104400150A (en) | 2014-11-16 | 2014-11-16 | Screw tap handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400150A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293347A (en) * | 2015-10-26 | 2016-02-03 | 安徽通润汽车零部件有限公司 | Pressing handle assembly for horizontal lifting jack |
| CN106141336A (en) * | 2016-08-05 | 2016-11-23 | 山东钢铁股份有限公司 | Screw tap extension bar sheathing tool |
| CN115611221A (en) * | 2022-09-29 | 2023-01-17 | 青岛海尔生物医疗股份有限公司 | Lid opening and closing device |
-
2014
- 2014-11-16 CN CN201410646717.3A patent/CN104400150A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293347A (en) * | 2015-10-26 | 2016-02-03 | 安徽通润汽车零部件有限公司 | Pressing handle assembly for horizontal lifting jack |
| CN105293347B (en) * | 2015-10-26 | 2018-03-13 | 安徽通润汽车零部件有限公司 | A kind of Horizontal jack is with pressing hand component |
| CN106141336A (en) * | 2016-08-05 | 2016-11-23 | 山东钢铁股份有限公司 | Screw tap extension bar sheathing tool |
| CN106141336B (en) * | 2016-08-05 | 2018-05-11 | 山东钢铁股份有限公司 | Screw tap extension bar sheathing tool |
| CN115611221A (en) * | 2022-09-29 | 2023-01-17 | 青岛海尔生物医疗股份有限公司 | Lid opening and closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |
|
| WD01 | Invention patent application deemed withdrawn after publication |