CN110587534B - Internal thread pin plays round pin device - Google Patents
Internal thread pin plays round pin device Download PDFInfo
- Publication number
- CN110587534B CN110587534B CN201910813431.2A CN201910813431A CN110587534B CN 110587534 B CN110587534 B CN 110587534B CN 201910813431 A CN201910813431 A CN 201910813431A CN 110587534 B CN110587534 B CN 110587534B
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- CN
- China
- Prior art keywords
- internal thread
- pin
- connecting rod
- connecting rods
- hammering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
A pin pulling device for an internal thread pin belongs to the technical field of disassembling tools and solves the technical problem that an assembled internal thread pin is not easy to pull out; the upper surface of the hammering platform is beaten by a hammer or other heavy objects, the upper surface of the hammering platform is subjected to hammering force, the hammering platform is made to move downwards, the lifting platform is made to move upwards through the link mechanism, the screw and the internal thread pin to be pulled out are driven to move upwards through the nut, and the internal thread pin is pulled out. The device has the advantages of simple and light structure and convenient manufacture, converts the traditional pin pulling force into hammering force by pulling force, and can quickly and labor-saving pull out the internal thread pin.
Description
Technical Field
The invention belongs to the technical field of disassembling tools, and particularly relates to a pin pulling device for an internal thread pin.
Background
In the field of mechanical assembly, the internally threaded pin enters the pin hole to be matched with the pin hole by means of striking force, but the internally threaded pin can be pulled out only by reversely striking the internally threaded pin by using a simple tool during disassembly. Due to the fact that the reverse striking stroke of the tool is small and the reverse striking force is small, the pin pulling process is slow, a large amount of noise is generated, and a large amount of physical force of a pin removing person is consumed.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the technical problem that an assembled internal thread pin is not easy to pull out, the invention provides a pin pulling device for an internal thread pin.
The invention is realized by the following technical scheme.
The utility model provides an internal thread pin plays pin device, it includes link mechanism and working screw, wherein: the connecting rod mechanism comprises a hammering platform, connecting rods and a double-end stud, one end of each of two first connecting rods is hinged with the left side and the right side of the hammering platform respectively, the other end of each first connecting rod is hinged with one end of each second connecting rod and one end of each fifth connecting rod at the same position, the other end of each second connecting rod is in threaded connection with one end of the double-end stud, the other end of the double-end stud is in threaded connection with one end of each third connecting rod, the screw directions of the threads at the two ends of the stud are opposite, the other end of the third connecting rod is hinged to one end of the fourth connecting rod and one end of the sixth connecting rod at the same position, the other end of the fourth connecting rod is hinged to the other end of the fifth connecting rod and one side of the supporting sleeve at the same position, the other end of the sixth connecting rod is hinged to one side of the lifting platform, the center of the hammering platform, the center of the lifting platform and the axis of the supporting sleeve are arranged in a collinear mode, and the connecting rod structures at the two sides of the supporting sleeve in the axis direction are symmetrically arranged; the working screw rod sequentially penetrates through the lifting platform and the supporting sleeve from top to bottom, a first nut is arranged on the working screw rod extending above the lifting platform, and a second nut is arranged on the working screw rod between the lifting platform and the supporting sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the device converts the traditional pin pulling force into hammering force by pulling force, and can quickly and labor-effectively pull out the internal thread pin.
2. The device has simple and light structure, is beneficial to engineering field operation, is convenient to manufacture and has less equipment capital investment.
3. For the internal thread pins with different specifications, only corresponding working screws are needed to be replaced, and the invention has wide application range.
4. For different pin lengths, the working stroke of the invention can be adjusted by only selecting the proper length of the double-end reverse thread stud.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front view schematically illustrating an assembly structure of the working screw and the link mechanism.
Fig. 3 is a schematic structural view of the pin pulling operation state of the invention.
In the figure, 1 is a first storage tank, 1-1 is a hammering platform, 1-2 is a first connecting rod, 1-3 is a second connecting rod, 1-4 is a stud, 1-5 is a third connecting rod, 1-6 is a fourth connecting rod, 1-7 is a fifth connecting rod, 1-8 is a sixth connecting rod, 1-9 is a lifting platform, 1-10 is a support sleeve, and 2 is a working screw.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
An internally threaded pin setting device as shown in fig. 1 to 3, comprising a link mechanism 1 and a working screw 2, wherein: the link mechanism 1 comprises a hammering platform 1-1, connecting rods and double-end studs 1-4, one ends of two first connecting rods 1-2 are hinged with the left side and the right side of the hammering platform 1-1 respectively, the other ends of the first connecting rods 1-2 are hinged with one ends of second connecting rods 1-3 and one ends of fifth connecting rods 1-7 at the same position, the other ends of the second connecting rods 1-3 are in threaded connection with one ends of the double-end studs 1-4, the other ends of the double-end studs 1-4 are in threaded connection with one ends of third connecting rods 1-5, the threads at the two ends of the double-end studs 1-4 are opposite in spiral direction, the other ends of the third connecting rods 1-5 are hinged with one ends of fourth connecting rods 1-6 and one ends of sixth connecting rods 1-8 at the same position, and the other ends of the fourth connecting rods 1-6 are hinged with the other ends of the, One side of the supporting sleeve 1-10 is hinged at the same position, the other end of the sixth connecting rod 1-8 is hinged with one side of the lifting platform 1-9, the center of the hammering platform 1-1, the center of the lifting platform 1-9 and the axis of the supporting sleeve 1-10 are arranged in a collinear way, and the connecting rod structures at two sides of the supporting sleeve 1-10 in the axis direction are symmetrically arranged; the working screw 2 sequentially penetrates through the lifting platform 1-9 and the supporting sleeve 1-10 from top to bottom, a first nut 2-1 is arranged on the working screw 2 extending above the lifting platform 1-9, and a second nut 2-2 is arranged on the working screw 2 between the lifting platform 1-9 and the supporting sleeve 1-10.
The use process of the device is as follows:
as shown in fig. 3, the working screw 2 is in threaded connection with the internal thread of the internal thread pin to be pulled out, the position of the second nut 2-2 is adjusted, the second nut 2-2 is made to be attached to the lower surface of the hammering platform 1-1, the first nut 2-1 is adjusted, the first nut 2-1 is made to be attached to the upper surface of the lifting platform 1-9, and the stud 1-4 with the proper length is selected according to the length of the pin to be pulled out, so that the lifting stroke of the device is adjusted.
The upper surface of the hammering platform 1-1 is hammered by a hammer or other heavy objects, the upper surface of the hammering platform 1-1 is subjected to hammering force, the hammering platform 1-1 moves downwards, so that the included angle between the first connecting rod 1-2 and the fifth connecting rod 1-7 is reduced, the included angle between the two fourth connecting rods 1-6 is increased through the second connecting rod 1-3, the stud 1-4 and the third connecting rod 1-5, the lifting platform 1-9 moves upwards through the sixth connecting rods 1-8, the screw 2 and the internal thread pin to be pulled out are driven to move upwards through the second nut 2-2, and the internal thread pin is pulled out.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (1)
1. The utility model provides an internal thread pin plays round pin device, it includes link mechanism (1) and working screw (2), its characterized in that: the connecting rod mechanism (1) comprises a hammering platform (1-1), connecting rods and a double-end stud (1-4), one end of each of the two first connecting rods (1-2) is hinged with the left side and the right side of the hammering platform (1-1), the other end of each of the two first connecting rods (1-2) is hinged with one end of each of the second connecting rods (1-3) and one end of each of the fifth connecting rods (1-7) at the same position, the other end of each of the second connecting rods (1-3) is in threaded connection with one end of the double-end stud (1-4), the other end of each of the double-end studs (1-4) is in threaded connection with one end of each of the third connecting rods (1-5), the spiral directions of the threads at the two ends of the double-end studs (1-4) are opposite, and the other end of each of the third connecting rods (1-, One end of a sixth connecting rod (1-8) is hinged to the same position, the other end of a fourth connecting rod (1-6) is hinged to the same position with the other end of a fifth connecting rod (1-7) and one side of a supporting sleeve (1-10), the other end of the sixth connecting rod (1-8) is hinged to one side of a lifting platform (1-9), the center of a hammering platform (1-1), the center of the lifting platform (1-9) and the axis of the supporting sleeve (1-10) are arranged in a collinear mode, and connecting rod structures on two sides of the supporting sleeve (1-10) in the axis direction are symmetrically arranged; the working screw (2) sequentially penetrates through the lifting platform (1-9) and the supporting sleeve (1-10) from top to bottom, a first nut (2-1) is arranged on the working screw (2) extending to the upper portion of the lifting platform (1-9), and a second nut (2-2) is arranged on the working screw (2) between the lifting platform (1-9) and the supporting sleeve (1-10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813431.2A CN110587534B (en) | 2019-08-30 | 2019-08-30 | Internal thread pin plays round pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813431.2A CN110587534B (en) | 2019-08-30 | 2019-08-30 | Internal thread pin plays round pin device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110587534A CN110587534A (en) | 2019-12-20 |
| CN110587534B true CN110587534B (en) | 2020-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910813431.2A Active CN110587534B (en) | 2019-08-30 | 2019-08-30 | Internal thread pin plays round pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110587534B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593443A (en) * | 1985-10-04 | 1986-06-10 | Wolford Richard P | Tool for crimping a corner bead piece over an exterior plasterboard corner |
| US5245737A (en) * | 1992-09-21 | 1993-09-21 | Perea Charles R | Cotter pin extractor kit apparatus |
| US6279216B1 (en) * | 1999-11-23 | 2001-08-28 | Lucent Technologies Inc. | Pin extraction tool |
| CN201376259Y (en) * | 2009-03-20 | 2010-01-06 | 上海宝钢设备检修有限公司 | Shear-type pin shaft plug-pull device |
| CN108544423A (en) * | 2018-07-16 | 2018-09-18 | 岑颖明 | A kind of bearing extractor with hammering function |
-
2019
- 2019-08-30 CN CN201910813431.2A patent/CN110587534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4593443A (en) * | 1985-10-04 | 1986-06-10 | Wolford Richard P | Tool for crimping a corner bead piece over an exterior plasterboard corner |
| US5245737A (en) * | 1992-09-21 | 1993-09-21 | Perea Charles R | Cotter pin extractor kit apparatus |
| US6279216B1 (en) * | 1999-11-23 | 2001-08-28 | Lucent Technologies Inc. | Pin extraction tool |
| CN201376259Y (en) * | 2009-03-20 | 2010-01-06 | 上海宝钢设备检修有限公司 | Shear-type pin shaft plug-pull device |
| CN108544423A (en) * | 2018-07-16 | 2018-09-18 | 岑颖明 | A kind of bearing extractor with hammering function |
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| Publication number | Publication date |
|---|---|
| CN110587534A (en) | 2019-12-20 |
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