CN211615464U - Novel puller tool - Google Patents

Novel puller tool Download PDF

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Publication number
CN211615464U
CN211615464U CN202020202605.XU CN202020202605U CN211615464U CN 211615464 U CN211615464 U CN 211615464U CN 202020202605 U CN202020202605 U CN 202020202605U CN 211615464 U CN211615464 U CN 211615464U
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China
Prior art keywords
piece
driving screw
handle
pieces
positioning
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Active
Application number
CN202020202605.XU
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Chinese (zh)
Inventor
李红
王澜碧
王春梅
陆蕴香
张利琼
柏慧
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Guizhou Education University
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Guizhou Education University
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Priority to CN202020202605.XU priority Critical patent/CN211615464U/en
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Publication of CN211615464U publication Critical patent/CN211615464U/en
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Abstract

The utility model discloses a novel puller tool, which comprises a driving screw and three pulling claws, wherein the three pulling claws are respectively and uniformly distributed on the driving screw through a connecting piece A and a connecting piece B, the connecting piece B is uniformly provided with three connecting handles, the connecting piece A is arranged on the driving screw through a nut and a nut shaft, the connecting piece A is also uniformly provided with three connecting handles, the connecting handle of the connecting piece A is movably connected with a connecting piece through a positioning shaft A, and the other end of the connecting piece is movably connected with the connecting handles of the pulling claws through the positioning shaft B; the other connecting handle at the lower end of the pull claw is movably connected with a connecting piece B arranged on the driving screw rod through a positioning shaft C; the top end of the driving screw rod is connected with the tip through threads. The utility model is suitable for a dismantlement operation of the spare part of epaxial different specifications can satisfy the horse drawing work of thick work piece again, has multiple service function, and simple structure, the commonality is strong, improves resource utilization.

Description

Novel puller tool
Technical Field
The utility model relates to a tool frequently used in mechanical maintenance, in particular to a novel tool for pulling a tool.
Background
The puller, which is similar to a puller, is a frequently used tool in mechanical maintenance and is mainly used for disassembling parts on a shaft. The extension range of the existing puller is determined by the diameter of a circle where three pulling feet are located, the extension distance is determined by the lengths of the pulling feet and a screw rod, and along with the rotation of the screw rod, the included angle between the pulling feet and the surface of a pulled object can be changed, so that the existing puller is easy to slip or the screw rod deviates from the center of the pulled object, and even damages the pulled object; in addition, in order to ensure the stability of the puller, the extension distance of the puller in a certain extension range is limited, that is, one puller has poor universality for objects at different depths, a plurality of pullers are usually needed to complete one type of work, the working efficiency is low, and the workload is large.
In order to solve the problems of poor stability of the puller, easy unhooking in the using process, poor control of the opening distance of a pull claw and the like, the applicant designs and manufactures a novel adjustable puller device according to the stress magnitude, the directionality and the like.
Disclosure of Invention
An object of the utility model is to provide a novel draw horse instrument, this instrument are applicable to the dismantlement operation of the spare part of epaxial different specifications, can satisfy the draw horse work of thicker work piece again, have multiple service function, and simple structure, the commonality is strong, improves resource utilization.
The technical scheme of the utility model:
a novel puller tool comprises a driving screw and three pulling claws, and is characterized in that the three pulling claws are uniformly distributed on the driving screw through a connecting piece A and a connecting piece B respectively, the connecting piece B is uniformly provided with three connecting handles, the connecting piece A is arranged on the driving screw through a nut and a nut shaft, the connecting piece A is also uniformly provided with three connecting handles, the connecting handle of the connecting piece A is movably connected with a connecting piece through a positioning shaft A, and the other end of the connecting piece is movably connected with the connecting handles of the pulling claws through the positioning shaft B; the other connecting handle at the lower end of the pull claw is movably connected with a connecting piece B arranged on the driving screw rod through a positioning shaft C; the top end of the driving screw rod is connected with the tip through threads.
The front end of the driving screw is a rotary handle.
The connecting handle of the pulling claw and the other connecting handle at the lower end form an included angle of 60-70 degrees.
The two ends of the connecting sheet form an included angle of 120-130 degrees.
The movable joints of the connecting piece A, the connecting piece, the pulling claw and the connecting piece B are all provided with mounting holes.
The connecting pieces are two and are respectively arranged at two ends of the connecting handle of the connecting piece A.
And the connecting handle of the connecting piece B is provided with a groove, and the other connecting handle at the lower end of the pull claw is arranged in the groove.
The positioning shaft A, the positioning shaft B and the positioning shaft C are provided with positioning holes, and the positioning shafts are installed through pins to play a positioning role.
When the device is used, the center is positioned in the center hole at the shaft end of the driving screw, the position of the pull claw is adjusted, the pull claw is hooked on the outer ring of a part, and the driving screw rotating handle is rotated to enable the pull claw to drive the bearing to move outwards along the axial direction for dismounting.
The utility model has the characteristics of it is following:
(1) the utility model can solve the problems of poor stability, easy unhooking, poor control of the opening distance of the pull claw and the like in the use process of the existing pull horse;
(2) the utility model has the advantages of economic practicability and relatively wide application range;
(3) the utility model can operate according to the sizes of different parts;
(4) the utility model discloses can reduce the potential safety hazard that appears in the use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a drive screw;
FIG. 3 is a schematic view of a nut;
FIG. 4 is a schematic view of connector A;
FIG. 5 is a schematic view of the positioning axis A;
FIG. 6 is a schematic view of a nut shaft;
FIG. 7 is a schematic view of a connecting tab;
FIG. 8 is a schematic view of the positioning axis B;
FIG. 9 is a schematic drawing of the pull pawl;
FIG. 10 is a schematic view of the positioning axis C;
FIG. 11 is a schematic view of connector B;
fig. 12 is a schematic view of the tip.
In the figure: 1. the device comprises a driving screw rod, 2, a nut, 3, connecting pieces A and 4, positioning shafts A and 5, nut shafts, 6, connecting pieces, 7, positioning shafts B and 8, pulling claws, 9, positioning shafts C and 10, connecting pieces B and 11 and a tip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-12, a novel tool for pulling a horse comprises a driving screw 1 and three pulling claws 8, and is characterized in that the three pulling claws 8 are uniformly distributed on the driving screw 1 through connecting pieces A3 and B10, the connecting pieces B10 are uniformly distributed with three connecting handles, the connecting pieces A3 are mounted on the driving screw 1 through nuts 2 and nut shafts 5, the connecting pieces A3 are also uniformly distributed with three connecting handles, the connecting handles of the connecting pieces A3 are movably connected with a connecting piece 6 through a positioning shaft a4, and the other end of the connecting piece 6 is movably connected with the connecting handles of the pulling claws 8 through a positioning shaft B7; the other connecting handle at the lower end of the pulling claw 8 is movably connected with a connecting piece B10 arranged on the driving screw rod 1 through a positioning shaft C9; the top end of the driving screw rod 1 is connected with a tip 11 through threads.
The front end of the driving screw rod 1 is a rotary handle.
The connecting handle of the pulling claw 8 and the other connecting handle at the lower end form an included angle of 60-70 degrees.
The two ends of the connecting sheet 6 form an included angle of 120-130 degrees.
The movable joints of the connecting piece A3, the connecting piece 6, the pulling claw 8 and the connecting piece B10 are all provided with mounting holes.
The connecting pieces 6 are two pieces and are respectively arranged at two ends of the connecting handle of the connecting piece A3.
The connecting handle of the connecting piece B10 is provided with a groove, and the other connecting handle at the lower end of the pulling claw 8 is arranged in the groove.
The positioning shaft A4, the positioning shaft B7 and the positioning shaft C9 are provided with positioning holes and are installed through pins to play a positioning role.
When the device is used, the center 11 is positioned in a center hole at the shaft end of the driving screw rod 1, the position of the pull claw 8 is adjusted, the pull claw 8 is hooked on the outer ring of a part, and the driving screw rod 1 is rotated to drive the pull claw 8 to drive the bearing to move outwards along the axial direction for dismounting.
The utility model has the characteristics of it is following:
(1) the utility model can solve the problems of poor stability, easy unhooking, poor control of the opening distance of the pull claw and the like in the use process of the existing pull horse;
(2) the utility model has the advantages of economic practicability and relatively wide application range;
(3) the utility model can operate according to the sizes of different parts;
(4) the utility model discloses can reduce the potential safety hazard that appears in the use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a novel draw horse instrument, includes drive screw (1) and three draw claw (8), its characterized in that: the three pulling claws (8) are uniformly distributed on the driving screw rod (1) through connecting pieces A (3) and B (10) respectively, three connecting handles are uniformly distributed on the connecting pieces B (10), the connecting pieces A (3) are mounted on the driving screw rod (1) through nuts (2) and nut shafts (5), the connecting pieces A (3) are also uniformly distributed with three connecting handles, the connecting handles of the connecting pieces A (3) are movably connected with connecting pieces (6) through positioning shafts A (4), and the other ends of the connecting pieces (6) are movably connected with the connecting handles of the pulling claws (8) through positioning shafts B (7); the other connecting handle at the lower end of the pulling claw (8) is movably connected with a connecting piece B (10) arranged on the driving screw rod (1) through a positioning shaft C (9); the top end of the driving screw rod (1) is connected with a tip (11) through threads.
2. The new tool as claimed in claim 1, wherein: the front end of the driving screw rod (1) is a rotary handle.
3. The new tool as claimed in claim 1, wherein: the connecting handle of the pulling claw (8) and the other connecting handle at the lower end form an included angle of 60-70 degrees.
4. The new tool as claimed in claim 1, wherein: the two ends of the connecting sheet (6) form an included angle of 120-130 degrees.
5. The new tool as claimed in claim 1, wherein: the movable joints of the connecting piece A (3), the connecting piece (6), the pulling claw (8) and the connecting piece B (10) are all provided with mounting holes.
6. The new tool as claimed in claim 1, wherein: the connecting pieces (6) are two pieces and are respectively arranged at two ends of the connecting handle of the connecting piece A (3).
7. The new tool as claimed in claim 1, wherein: the connecting handle of the connecting piece B (10) is provided with a groove, and the other connecting handle at the lower end of the pull claw (8) is arranged in the groove.
8. The new tool as claimed in claim 1, wherein: the positioning shaft A (4), the positioning shaft B (7) and the positioning shaft C (9) are provided with positioning holes and are installed through pins to play a positioning role.
CN202020202605.XU 2020-02-25 2020-02-25 Novel puller tool Active CN211615464U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020202605.XU CN211615464U (en) 2020-02-25 2020-02-25 Novel puller tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020202605.XU CN211615464U (en) 2020-02-25 2020-02-25 Novel puller tool

Publications (1)

Publication Number Publication Date
CN211615464U true CN211615464U (en) 2020-10-02

Family

ID=72618521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020202605.XU Active CN211615464U (en) 2020-02-25 2020-02-25 Novel puller tool

Country Status (1)

Country Link
CN (1) CN211615464U (en)

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