CN210060980U

CN210060980U - Novel hole pin takes out device

Info

Publication number: CN210060980U
Application number: CN201920935178.3U
Authority: CN
Inventors: 张中友; 杨卫华; 袁宇新; 吴炤烁; 张敏; 何攀; 龚玉; 王世雄; 张明荣; 徐健; 何天瀚
Original assignee: Chengdu Industry and Trade College
Current assignee: Chengdu Industry and Trade College
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-14
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a novel device for taking out an inner hole pin, which comprises a long shaft, a pulling hammer, an outer sleeve, a pin taking bolt, a connecting screw, a mounting sleeve, a screw tap and a limiting shaft, wherein the pulling hammer is sleeved on the long shaft and can move along the axial direction of the long shaft, one end of the long shaft is provided with a positioning block, the other end of the long shaft is in threaded connection with the connecting screw, one end of the connecting screw, which is far away from the long shaft, is in threaded connection with the outer sleeve, the pin taking bolt is detachably mounted in the outer sleeve, the end surface of the mounting sleeve is provided with a mounting opening, the bottom of the mounting opening is provided with a through groove, one end of the mounting sleeve, which is far away from the through groove, is provided with a limiting cavity along the length direction, the bottom of the limiting cavity is provided with a threaded hole, the limiting shaft is mounted at one end of the long shaft, and an external thread engaged with the threaded hole. The utility model discloses tapping and installation pin function have.

Description

Novel hole pin takes out device

Technical Field

The utility model relates to a machinery frock field, especially a novel hole pin takes out device.

Background

The installation of parts with position accuracy requirements in mechanical equipment usually adopts cylindrical pins or conical pins to accurately position, so as to ensure the position accuracy of the installation of the parts or restore the original accuracy of the equipment after maintenance. Such as the power device and the base surface of the machine tool, the transmission mechanism, the reduction box and the moving guide rail, the frame and the oil pan of the diesel engine, the oil pump and the front end box, etc. The pin holes of the positioning pins are all hinged holes with high precision roundness and surface roughness, and the positioning pins and the pin holes of the connecting parts are connected in an interference fit mode.

The internal thread bolt is a common bolt and is widely applied to the field of machinery to realize pin connection between mechanical parts. To facilitate removal of the internally threaded bolt, a special extraction tool is usually designed.

The patent document with the application number of CN201520250846.0 discloses a novel pin puller, which comprises a pin puller body, a jacket, an elastic cushion block and a screw; the pin puller body comprises a long shaft and a shaft sleeve, positioning nuts are respectively fixed at two ends of the long shaft, an external thread is arranged on an extending portion at one end of the long shaft, the shaft sleeve is sleeved on the long shaft between the two positioning nuts, an internal thread matched with the external thread is arranged at one end of the clamping sleeve, a stepped hole used for installing a screw is arranged at the other end of the clamping sleeve, and the elastic cushion block is arranged at the joint of the screw and the long shaft in the clamping sleeve. Although the pin puller can effectively pull out the pin from the pin hole, the application range is too small, when the threaded hole of the internal thread bolt is rusted and corroded, and the pin puller cannot be inserted or slipped, the pin puller often cannot work normally, and at the moment, the pin puller can be taken out only by adopting the modes of electric spark discharge machining or numerical control machine tool cutting or tapping by other devices, and the like, so that a great deal of manpower and material resources are wasted; the pin puller is simple in structure, only has a pin pulling function, and does not have a pin mounting function.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is just not enough to above-mentioned prior art, provides a convenient to use and has the novel hole pin remove device of tapping and installation pin function.

In order to realize the above purpose, the technical scheme of the utility model is as follows:

a novel inner hole pin taking-out device comprises a long shaft, a pulling hammer, an outer sleeve, a pin taking bolt, a connecting screw, an installation sleeve, a screw tap and a limiting shaft, wherein the pulling hammer is sleeved on the long shaft and can move along the axial direction of the long shaft, a positioning block is arranged at one end of the long shaft, the other end of the long shaft is in threaded connection with the connecting screw, the end, away from the long shaft, of the connecting screw is in threaded connection with the outer sleeve, the pin taking bolt is detachably installed in the outer sleeve, an installation opening is formed in the end face of the installation sleeve, a radially-arranged through groove is formed in the bottom of the installation opening, the screw tap is detachably installed in the through groove, a limiting cavity is formed in one end, away from the through groove, of the installation sleeve along the length direction of the installation sleeve, a threaded hole is formed in the bottom of the limiting cavity, the limiting shaft is installed, spacing one end that is located spacing intracavity is equipped with the stopper that matches with spacing chamber, and the external screw thread with screw hole meshing, the stopper is less than the length in spacing chamber to the length of spacing axle head portion, when spacing epaxial external screw thread and screw hole meshing, the installation cover is fixed, will get round pin bolt and install in leading to the inslot, realize the dress round pin function, when spacing epaxial external screw thread does not mesh with the screw hole, the installation cover can rotate on spacing, install the tap in leading to the inslot, realize the tapping function.

Preferably, two handles which are convenient for the rotation of the mounting sleeve are vertically and symmetrically arranged on the outer wall of the mounting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the installation sleeve can be fixed and rotated by arranging the limiting shaft, the limiting block, the installation sleeve, the limiting cavity, the threaded hole, the installation opening, the through groove and the screw tap, so that two functions of tapping and pin installation are realized; when the external thread on the limiting block is not matched with the threaded hole, the mounting sleeve can rotate on the limiting shaft, the screw tap is mounted in the through groove and the mounting opening at the moment, and the mounting sleeve is driven to rotate through the handle, so that the tapping function is realized, the flexibility of the whole device is improved, and the practical range of the device is wider;

(2) through set up the handle outside the installation cover, can be when the tapping, conveniently install the cover and rotate, practice thrift the labour.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is an assembly view of the present invention;

fig. 3 is a schematic structural view of the mounting sleeve of the present invention;

fig. 4 is a side view of the mounting sleeve of the present invention.

The labels in the figure are: 1-long shaft, 2-pulling hammer, 3-outer sleeve, 4-pin-taking bolt, 5-connecting screw, 6-positioning block, 7-mounting sleeve, 8-tap, 9-limiting shaft, 10-mounting opening, 11-through groove, 12-limiting cavity, 13-threaded hole, 14-limiting block, 15-external thread and 16-handle.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention:

as shown in fig. 1 to 4, the present embodiment provides a novel inner hole pin taking-out device, which includes a long shaft 1, a hammer 2, an outer sleeve 3, a pin taking bolt 4, a connecting screw 5, a positioning block 6, an installation sleeve 7, a screw tap 8, a limiting shaft 9, an installation opening 10, a through groove 11, a limiting cavity 12, a threaded hole 13, a limiting block 14, an external thread 15, and a handle 16.

The long shaft 1 is sleeved with a pulling hammer 2, the pulling hammer 2 can move along the axis direction of the long shaft 1, a positioning block 6 is installed at one end of the long shaft 1, the other end of the long shaft is connected with a connecting screw 5 in a threaded mode, one end, far away from the long shaft 1, of the connecting screw 5 is connected with an outer sleeve 3 in a threaded mode, a pin taking bolt 4 is detachably installed in the outer sleeve 3, the pin taking bolt 4 is screwed into an internal thread of a pin when the pin is taken, the pulling hammer 2 is manually lifted, the pulling hammer 2 is made to knock on the positioning block 6, upward force is formed, and the pin.

It has installing port 10 to open on 7 terminal surfaces of installation cover, and installing port 10 is the U type, and its width matches with the diameter of getting round pin bolt 4 and tap 8, and opening has the logical groove 11 of radial setting in installing port 10 bottom, it is the rectangle to lead to groove 11, and its width with get round pin bolt 4 and tap 8 bottom hexagon head match, tap 8 or get round pin bolt 4 bottom hexagon head can block into lead to groove 11 in, tap 8 or get round pin bolt 4 and pass installing port 10. By providing the mounting opening 10 and the through groove 11, the tap 8 can be fixed or the pin bolt 4 can be fixed.

As shown in fig. 3, a limiting cavity 12 is arranged at one end of the mounting sleeve 7, which is far away from the through slot 11, along the length direction of the mounting sleeve, a threaded hole 13 is arranged at the bottom of the limiting cavity 12, the limiting shaft 9 is mounted at one end of the long shaft 1, which is close to the positioning block 6, the limiting shaft 9 is coaxial and integrally formed with the long shaft 1, one end of the limiting shaft 9, which is far away from the long shaft 1, penetrates through the side wall of the mounting sleeve 7, extends into the limiting cavity 12, and can move along the axis direction of the mounting sleeve 7, a limiting block 14 matched with the limiting cavity 12 and an external thread 15 meshed with the threaded hole 13 are arranged at one end of the limiting shaft 9, which is located in the limiting cavity 12, the diameter of the limiting; the diameter of the limiting shaft 9 is the same as that of the threaded hole 13, the limiting shaft 9 can move into the threaded hole 13 and is meshed with the threaded hole 13 through the external thread 15, the mounting sleeve 7 is fixed, and the mounting sleeve 7 is prevented from rotating around the limiting shaft 9.

Two handles 16 convenient for installing the cover 7 pivoted are installed perpendicularly and the symmetry in the installation cover 7 outer wall, are equipped with the skid resistant course on the handle 16, can be convenient for install the cover 7 through handle 16 and rotate.

The length from the limiting block 14 to the end part of the limiting shaft 9 is smaller than that of the limiting cavity 12, so that the mounting sleeve 7 can rotate by taking the limiting shaft 9 as a shaft when the limiting shaft 9 is not meshed with the threaded hole 13; the length of the limiting shaft 9 is equal to the sum of the length of the limiting cavity 12 and the length of the threaded hole 13, when the external thread 15 on the limiting shaft 9 is completely meshed with the threaded hole 13, the end of the mounting sleeve 7 is in contact with the long shaft 1, the diameter of the mounting sleeve 7 is the same as that of the long shaft 1, and the carrying is convenient. When spacing axle 9 stretched into screw hole 13, during external screw thread 15 on the spacing axle 9 and screw hole 13 meshing, installation cover 7 was fixed, will get round pin bolt 4 this moment and install in leading to groove 11, twist the pin on getting round pin bolt 4, towards the round pin nail hole, hammer 2 is pulled out in manual slip, strike locating piece 6 downwards, transmit power to spacing axle 9, spacing axle 9 will transmit power to installation cover 7, thereby realize the dress round pin function, the flexibility of whole device has been improved, the practical scope of messenger's device is more extensive.

When external screw thread 15 on spacing axle 9 does not mesh with screw hole 13, installation cover 7 can rotate on spacing axle 9, go into logical groove 11 with 8 bottom nut cards of tap this moment, tap 8 passes installing port 10, it uses spacing axle 9 to rotate as the axle to drive installation cover 7 through handle 16, aim at the cotter hole of rustting or corruption with tap 8, it drives tap 8 and rotates to rotate installation cover 7, thereby realize the tapping function, the flexibility of whole device has been improved, the practical scope of messenger's device is more extensive.

The utility model discloses a theory of operation: when the pin needs to be installed: stretch into screw hole 13 with spacing axle 9 in, rotate installation cover 7 and make the external screw thread 15 on the spacing axle 9 mesh with screw hole 13, further make installation cover 7 fixed, will get round pin bolt 4 and install in logical groove 11 this moment, twist the pin on getting round pin bolt 4, towards the cotter hole, hammer 2 is pulled out in manual slip, strikes locating piece 6 downwards, with power transmission to spacing axle 9, spacing axle 9 will power transmission to installation cover 7, with the pin installation in the cotter hole.

When tapping is needed: rotate installation cover 7 through handle 16, make spacing axle 9 withdraw from screw hole 13 in, installation cover 7 rotates with spacing axle 9 position axle this moment, with 8 bottom nut card of tap go into logical groove 11, tap 8 passes installing port 10, drives installation cover 7 through handle 16 and uses spacing axle 9 to rotate as the axle, aims at the cotter hole of rusty or corruption with tap 8, rotates installation cover 7 and drives tap 8 and rotate, realizes the tapping.

Claims

1. The utility model provides a novel hole pin takes out device, includes major axis (1), pulls out hammer (2), overcoat (3), gets round pin bolt (4) and connecting screw (5), the cover has on major axis (1) to pull out hammer (2), pulls out hammer (2) and can follow major axis (1) axis direction and remove, and locating piece (6) are installed to major axis (1) one end, and other end threaded connection has connecting screw (5), and the one end threaded connection who keeps away from major axis (1) in connecting screw (5) has overcoat (3), and demountable installation has in overcoat (3) gets round pin bolt (4), its characterized in that: the device is characterized by further comprising an installation sleeve (7), a screw tap (8) and a limiting shaft (9), wherein an installation opening (10) is formed in the end face of the installation sleeve (7), a through groove (11) which is radially arranged is formed in the bottom of the installation opening (10), the screw tap (8) is detachably installed in the through groove (11), a limiting cavity (12) is formed in one end, away from the through groove (11), of the installation sleeve (7) along the length direction of the end, a threaded hole (13) is formed in the bottom of the limiting cavity (12), the limiting shaft (9) is installed at one end, close to the positioning block (6), of the long shaft (1) and is coaxial with the long shaft (1), one end, away from the long shaft (1), of the limiting shaft (9) penetrates through the end face of the installation sleeve (7) and extends into the limiting cavity (12) and can move along the axis direction of the installation sleeve (7), a limiting block (14) matched with the limiting cavity, and external screw thread (15) that meshes with screw hole (13), the length of stopper (14) to spacing axle (9) tip is less than the length of spacing chamber (12), when external screw thread (15) on spacing axle (9) and screw hole (13) meshing, install cover (7) fixed, will get round pin bolt (4) and install in logical groove (11), realize the dress round pin function, when external screw thread (15) on spacing axle (9) do not mesh with screw hole (13), install cover (7) and can rotate on spacing axle (9), install tap (8) in logical groove (11), realize the tapping function.

2. The novel bore pin removal device of claim 1, wherein: two handles (16) convenient for the rotation of the mounting sleeve (7) are vertically and symmetrically mounted on the outer wall of the mounting sleeve (7).