CN110454476B - Improved generation connecting axle - Google Patents

Improved generation connecting axle Download PDF

Info

Publication number
CN110454476B
CN110454476B CN201910768276.7A CN201910768276A CN110454476B CN 110454476 B CN110454476 B CN 110454476B CN 201910768276 A CN201910768276 A CN 201910768276A CN 110454476 B CN110454476 B CN 110454476B
Authority
CN
China
Prior art keywords
cylinder
piece
main shaft
cylindrical
frame
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.)
Active
Application number
CN201910768276.7A
Other languages
Chinese (zh)
Other versions
CN110454476A (en
Inventor
聂艳
毛淑南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo quanxun Precision Machinery Co.,Ltd.
Original Assignee
Ningbo Quanxun Precision Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Quanxun Precision Machinery Co ltd filed Critical Ningbo Quanxun Precision Machinery Co ltd
Priority to CN201910768276.7A priority Critical patent/CN110454476B/en
Publication of CN110454476A publication Critical patent/CN110454476A/en
Application granted granted Critical
Publication of CN110454476B publication Critical patent/CN110454476B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16NLUBRICATING
    • F16N1/00Constructional modifications of parts of machines or apparatus for the purpose of lubrication

Abstract

The invention relates to an improved connecting shaft, which comprises a main shaft frame, a movable cylinder and an outer cylinder frame, wherein the main shaft frame is sleeved with the movable cylinder, the outer cylinder frame is sleeved outside the movable cylinder, the inner side of the outer cylinder frame is connected and installed with the main shaft frame, the main shaft frame comprises a main shaft part, a spring bolt and a square column fixing part, the movable cylinder comprises a cylinder part, a cylindrical clamping groove and a ball clamping part, the outer cylinder frame comprises an outer cylinder part and a rotatable clamping part, the movable cylinder is moved and is positioned by matching the cylindrical clamping groove on the cylinder part or the main shaft part with the ball clamping part on the cylinder part, then the spring bolt is inserted into threaded holes of the cylinder part and the main shaft part, the moved cylinder part is further fixed, a long strip plate is rotated to fix the unmoved cylinder part, so as to achieve the purpose of adjusting the diameter of the connecting shaft, the spring bolt is disassembled, lubricating oil is poured into, the cylinder member is rotated to uniformly distribute the lubricating oil on the inner surface of the cylinder member for lubrication.

Description

Improved generation connecting axle
Technical Field
The invention relates to the field of connecting pieces, in particular to an improved connecting shaft.
Background
The connecting shaft is mainly used for connecting two devices or two parts together to integrate the two devices or the two parts, so that the aim of transmitting the power of one device or part to the other device or part through the connecting shaft is fulfilled. When the connecting shaft is used specifically, the connecting shaft and equipment or parts needing to be acted on are generally fixedly connected or in interference fit, the fixed connection mode generally adopts the mode that threads are arranged at two ends of the connecting shaft, and the purpose of integration is achieved through the thread fit between the connecting shaft and the equipment.
In the connecting process, due to the structural limitation of the connecting shaft, one connecting shaft can only carry out connecting movement aiming at equipment or parts with determined diameters when in work, and the following problems exist in the actual operation process:
(1) the traditional connecting shaft can only be connected with equipment or parts with a specific diameter, when a plurality of different diameters exist in the equipment, a plurality of connecting shafts are required to be prepared, the working efficiency is influenced, the parts are easy to leave unused, the production cost is increased, and the current social requirements are not easy to meet.
(2) The traditional connecting shaft cannot be lubricated in the working process, equipment or parts can be lubricated only by detaching the equipment or the parts, the production and the processing of the equipment or the parts are delayed, and secondary damage is easily caused to the connecting shaft and the equipment parts in the detaching process.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an improved connecting shaft.
The technical scheme adopted by the invention to solve the technical problem is as follows: an improved connecting shaft comprises a main shaft frame, a movable cylinder and an outer cylinder frame, wherein the movable cylinder is sleeved on the main shaft frame, the outer cylinder frame is sleeved outside the movable cylinder, and the inner side of the outer cylinder frame is connected with the main shaft frame; wherein:
the main shaft frame comprises a main shaft part, spring bolts and square column fixing parts, the middle part of the main shaft part is positioned in the outer barrel frame, threaded holes are formed in two ends of the main shaft part, the spring bolts are installed in the threaded holes, pin holes are formed in two ends of the middle part of the main shaft part, a square column hole is formed in the center of the main shaft part, and the square column fixing parts are installed in the square column holes; when the diameter of the shaft element does not meet the diameter requirement of equipment or parts, the movable cylinder is sleeved outside the main shaft frame for improvement, and the outer cylinder frame connected with the square column fixing frame and the main shaft element plays a role in positioning and guiding the movable cylinder.
A plurality of movable cylinders are arranged between the main shaft frame and the outer cylinder frame, the main shaft part is matched with the movable cylinders and the outer cylinder frame is matched with the movable cylinders in a relative sliding fit mode, the movable cylinders form a concentric circle structure, each movable cylinder comprises a cylindrical part, a cylindrical clamping groove and a round ball clamping part, the cylindrical parts are sleeved outside the main shaft part, the cylindrical parts (21) are symmetrically arranged on two sides of the square column fixing part (13) up and down, the cylindrical parts are positioned on the inner side of the outer cylinder frame and provided with threaded holes, pin holes are formed in the projection positions of the pin holes of the main shaft part, shallow cylindrical blind holes are formed in the outer sides of the cylindrical parts, the shallow cylindrical blind holes are provided with the cylindrical clamping grooves, the inner sides of the cylindrical parts are provided; and moving the cylindrical part until a cylindrical clamping groove on the cylindrical part is contacted with the ball clamping piece, fixing the cylindrical part and a threaded hole formed in the main shaft part through a spring bolt after the ball clamping piece is positioned and clamped with the cylindrical clamping groove, and further fixing the cylindrical part and the main shaft part through a pin hole mounting pin on the cylindrical part and the main shaft part.
The outer barrel frame comprises an outer barrel part and rotatable clamping parts, the left end and the right end of the square column fixing part are connected with the outer barrel part, and the rotatable clamping parts are uniformly arranged on the upper side and the lower side of the outer barrel part in the circumferential direction; the unmoved cylinder is fixed in the outer cylinder frame by the rotatable clamping piece.
According to a preferred technical scheme of the invention, the spring bolt comprises a bolt, a spring washer and a nut, the cylindrical part is connected with the main shaft part through the bolt, the spring washer is arranged at the lower end of the head part of the bolt, and the nut is arranged at the tail part of the bolt; the spring washer can exert reverse acting force on the nut after the nut is screwed down, and friction force between the nut and the bolt is increased, so that the possibility that the movable cylinder and the main shaft piece loosen the fastening bolt in the using process is reduced.
As a preferred technical scheme of the present invention, the square column fixing member includes a square column and a triangular prism fixture block, the square column is installed in a square column hole in the center of the main shaft member, threaded holes are formed in the left and right ends of the square column, the triangular prism fixture block is installed in the threaded hole, and the outer cylinder member 3 is connected to the square column through the triangular prism fixture block; the triangular prism fixture block is connected with the outer barrel frame and the square column body through the rectangular stepped concave hole of the outer barrel frame, and the diameter of the connecting shaft which can be used can be changed by replacing the outer barrel frame and the movable cylinder, so that the purpose of increasing the application range of the connecting shaft is achieved.
As a preferred technical scheme of the invention, the inner surface of the cylindrical part is provided with an oil groove which surrounds the inner wall of the cylindrical part and is of a spiral structure connected end to end; pouring lubricating oil through the oil groove, removing the spring screw this moment, rotating portable drum to reach even lubricated purpose, saved and carried out the step of dismantling between connecting axle and the equipment, saved the operating time of equipment, reach the purpose that reduces the input of later stage equipment nursing maintenance.
As a preferred technical scheme of the invention, the cylindrical clamping groove comprises a cylindrical groove and a rubber ring, the cylindrical groove is positioned in a shallow cylindrical blind hole on the outer side of the cylindrical part, and the rubber ring is arranged in the cylindrical groove; can adjust the degree of depth of cylindrical draw-in groove through the rubber circle, when adjusting the diameter of connecting axle, cylindrical draw-in groove and ball fastener contact the block, and the ball extrudees the rubber circle of cylinder inslot, further makes the ball fix in the cylinder inslot to reach the purpose that increases cylindrical draw-in groove degree of depth scope.
As a preferred technical scheme of the invention, the ball clamping piece comprises a ball and a spring, the ball is arranged on a deep cylindrical blind hole in the inner side of the cylindrical piece through a rotating shaft, the spring is arranged at the lower end of the ball, and the lower end of the spring is fixedly arranged with the deep cylindrical blind hole; the rolling friction between the round ball and the moving cylindrical piece can be increased through the spring, so that the friction between the cylindrical piece and the cylindrical piece or the main shaft piece is reduced.
As a preferred technical scheme of the invention, the number of the rotatable clamping parts is eight, the rotatable clamping parts are symmetrically arranged at two ends of the outer barrel part around the circumferential direction, each rotatable clamping part comprises a screw, a clamping circular plate and a strip plate, the clamping circular plate and the outer barrel part are connected and arranged through the screw, and the strip plate is arranged on the clamping circular plate through a pin shaft; when the strip plate is rotated, the strip plate moves on the clamping circular plate along the circumferential direction to adjust the contact position of the strip plate and the cylindrical piece, so that the aim of fixing the cylindrical piece which is not moved is fulfilled.
As a preferred technical scheme of the invention, the clamping circular plate comprises a circular plate and a ratchet wheel, wherein an annular groove is formed in the circular plate, the ratchet wheel is arranged at two ends of the inner side of the annular groove, and the direction of the ratchet wheel is in an anticlockwise rotation direction; the long lath can only rotate along the anticlockwise direction by the anticlockwise ratchet wheel, and after the long lath reaches the required position, the long lath is not easy to move due to the structure of the ratchet wheel, so that the purpose of fixing the cylindrical piece without being disassembled again is achieved.
Compared with the prior art, the invention has the following advantages:
1. according to the improved connecting shaft provided by the invention, the movable cylinder, the main shaft frame and the outer cylinder frame are connected in a concentric sliding fit manner, the diameter of the connecting shaft can be adjusted according to actual working requirements, the types of connectable equipment or parts are increased, and the application range of the connecting shaft is expanded.
2. According to the invention, the movable cylinder is arranged, and the cylindrical clamping groove and the spherical clamping piece are combined to move the cylindrical piece, so that the purpose of changing the diameter of the connecting shaft is achieved.
3. The oil groove is formed in the cylindrical part, the connection mode of the cylindrical part and the main shaft part is changed into relative sliding through disassembling the spring screw, so that the lubricating contact area of oil is increased, and the purpose of uniformly lubricating the connecting shaft without disassembling the connecting shaft and equipment or parts is achieved.
4. The clamping circular plate is provided with the groove with the anticlockwise ratchet wheel, so that the rotation direction of the long lath is limited to be anticlockwise rotated only, the long lath can be fixed at a certain required position without being detached, and the fixing effect of the long lath on the cylindrical piece is further increased.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic plan view of the present invention in use;
FIG. 3 is a schematic top plan view of the present invention;
FIG. 4 is a schematic view of the present invention in cross-section;
FIG. 5 is a schematic plan view of the spherical ball catch of the present invention;
FIG. 6 is a schematic plan view of the circular locking plate of the present invention;
fig. 7 is a schematic plan view of the oil sump of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.
An improved connecting shaft comprises a main shaft frame 1, a movable cylinder 2 and an outer cylinder frame 3, wherein the movable cylinder 2 is sleeved on the main shaft frame 1, the outer cylinder frame 3 is sleeved outside the movable cylinder 2, and the inner side of the outer cylinder frame 3 is connected and installed with the main shaft frame 1; wherein:
the main shaft frame 1 comprises a main shaft part 11, a spring bolt 12 and a square column fixing part 13, the middle part of the main shaft part 11 is positioned in the outer barrel frame 3, threaded holes are formed in the upper end and the lower end of the main shaft part 11, the spring bolt 12 is installed in the threaded holes, pin holes are formed in the upper end and the lower end of the middle part of the main shaft part 11, a square column hole is formed in the center of the main shaft part 11, and the square column fixing part 13 is installed in the square column hole; when the diameter of the shaft element does not meet the diameter requirement of equipment or parts, the movable cylinder 2 sleeved outside the main shaft frame 1 is improved, and the main shaft element 11 and the outer cylinder frame 3 connected with the square column fixing frame play a role in positioning and guiding the movable cylinder 2.
A plurality of movable cylinders 2 are arranged between the main shaft frame 1 and the outer cylinder frame 3, the main shaft piece 11 is matched with the movable cylinders 2 and the outer cylinder frame 3 is matched with the movable cylinders 2 in a relative sliding fit mode, the movable cylinders 2 form a concentric circle structure, each movable cylinder 2 comprises a cylinder piece 21, a cylindrical clamping groove 22 and a round ball clamping piece 23, the cylinder piece 21 is sleeved outside the main shaft piece 11, the cylinder pieces (21) are symmetrically arranged on two sides of a square column fixing piece (13) up and down, the cylinder piece 21 is positioned on the inner side of the outer cylinder frame 3 and provided with a threaded hole, the cylinder piece 21 is provided with a pin hole at the pin hole projection position of the main shaft piece 11, the outer side of the cylinder piece 21 is provided with a shallow cylindrical blind hole, the shallow cylindrical blind hole is provided with the cylindrical clamping groove 22, the inner side of the cylinder piece; the cylinder 21 is moved until the cylindrical clamping groove 22 on the cylinder 21 contacts the round ball clamping piece 23, after the round ball clamping piece 23 is positioned and clamped with the cylindrical clamping groove 22, the cylinder 21 and the threaded hole formed in the main shaft 11 are fixed through the spring bolt 12, and the cylinder 21 and the main shaft 11 are further fixed through the pin hole mounting pins on the cylinder 21 and the main shaft 11.
The outer barrel frame 3 comprises an outer barrel part 31 and rotatable clamping parts 32, rectangular stepped concave holes are formed in the left end and the right end of the outer barrel part, the left end and the right end of the square column fixing part 13 are connected with the outer barrel part 31, and the rotatable clamping parts 32 are uniformly arranged on the upper side and the lower side of the outer barrel part 31 in the circumferential direction; the unmoved cylinder 21 is fixed in the outer cylinder holder 3 by means of a rotatable detent 32.
The spring bolt 12 comprises a bolt 121, a spring washer 122 and a nut 123, the cylindrical part 21 is connected with the main shaft part 11 through the bolt 121, the spring washer 122 is installed at the lower end of the head part of the bolt 121, and the nut 123 is installed at the tail part of the bolt 121; the spring washer 122 can apply a reverse force to the nut 123 after the nut 123 is tightened, increasing the friction between the nut 123 and the bolt 121, so as to reduce the possibility of loosening the fastening bolt 121 during use of the movable cylinder 2 and the main shaft element 11.
The square column fixing member 13 comprises a square column 131 and triangular prism blocks 132, the square column 131 is installed in a square column hole at the center of the main shaft member 11, threaded holes are formed at the left and right ends of the square column 131, the triangular prism blocks 132 are installed in the threaded holes, and the outer cylinder member 31 is connected with the square column 131 through the triangular prism blocks 132; the triangular prism fixture block 132 connects the outer cylinder 31 with the square cylinder 131 through the rectangular stepped recess of the outer cylinder 31, and the usable diameter of the connecting shaft can be changed by replacing the outer cylinder frame 3 and the movable cylinder 2, so as to increase the application range of the connecting shaft.
The inner surface of the cylindrical part 21 is provided with an oil groove which surrounds the inner wall of the cylindrical part 21 and is of a spiral structure connected end to end; pour lubricating oil into through the oil groove, tear off spring 232 screw 321 this moment, rotate portable drum 2 to reach even lubricated purpose, saved and carried out the step of dismantling between connecting axle and the equipment, saved the operating time of equipment, reach the purpose that reduces the input of later stage equipment nursing maintenance.
The cylindrical clamping groove 22 comprises a cylindrical groove 221 and a rubber ring 222, the cylindrical groove 221 is located in a shallow cylindrical blind hole on the outer side of the cylindrical part 21, and the rubber ring 222 is installed in the cylindrical groove 221; can adjust the degree of depth of cylindrical draw-in groove 22 through rubber circle 222, when adjusting the diameter of connecting axle, cylindrical draw-in groove 22 and ball fastener 23 contact the block, and the ball 231 extrudees the rubber circle 222 in the cylinder groove 221, further makes ball 231 fix in cylinder groove 221 to reach the purpose that increases cylindrical draw-in groove 22 degree of depth scope.
The ball clamping piece 23 comprises a ball 231 and a spring 232, the ball 231 is mounted on a deep cylindrical blind hole in the inner side of the cylindrical piece 21 through a rotating shaft, the spring 232 is mounted at the lower end of the ball 231, and the lower end of the spring 232 is fixedly mounted with the deep cylindrical blind hole; the rolling friction between the spherical ball 231 and the moving cylinder 21 can be increased by the spring 232 to reduce the friction between the cylinder 21 and the cylinder 21 or the main shaft 11.
The number of the rotatable clamping parts 32 is eight, the rotatable clamping parts 32 are symmetrically arranged at the upper end and the lower end of the outer barrel part 31 around the circumferential direction, each rotatable clamping part 32 comprises a screw 321, a clamping circular plate 322 and a strip plate 323, the clamping circular plate 322 is connected and arranged with the outer barrel part 31 through the screw 321, and the strip plate 323 is arranged on the clamping circular plate 322 through a pin shaft; when the strip plate 323 is rotated, the strip plate 323 moves on the locking circular plate 322 in the circumferential direction to adjust the contact position of the strip plate 323 and the cylinder 21, so as to fix the cylinder 21 that is not moved.
The clamping circular plate 322 comprises a circular plate 3221 and a ratchet wheel 3222, wherein the circular plate 3221 is provided with an annular groove, the ratchet wheel 3222 is arranged at two ends of the inner side of the annular groove, and the direction of the ratchet wheel 3222 is the counterclockwise rotation direction; the counterclockwise ratchet 3222 makes the long strip plate 323 rotate only in the counterclockwise direction, and after the desired position is reached, the long strip plate 323 is not easy to move due to the structure of the ratchet 3222, so as to fix the cylinder 21 without disassembling again.
When the device is used specifically, the diameter of the connecting shaft is increased by moving the cylindrical piece 21 so as to achieve the purpose of meeting the diameter of the mounting holes in the device 1 and the device 2, when the cylindrical piece 21 is moved, the cylindrical clamping groove 22 and the spherical clamping piece 23 are matched for positioning, then the spring bolt 12 is inserted into the threaded holes of the cylindrical piece 21 and the main shaft piece 11 so as to achieve the purpose of further fixing the moved cylindrical piece 21, the long strip plate 323 is rotated to fix the unmoved cylindrical piece 21, the spring bolt 12 is detached in later use, lubricating oil is poured into the oil groove of the cylindrical piece 21, and the cylindrical piece 21 is rotated so that the lubricating oil is uniformly distributed on the inner surface of the cylindrical piece 21 so as to achieve the purpose of uniform lubrication.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. An improved connecting shaft comprises a main shaft frame (1), a movable cylinder (2) and an outer cylinder frame (3), wherein the movable cylinder (2) is sleeved on the main shaft frame (1), the outer cylinder frame (3) is sleeved outside the movable cylinder (2), and the inner side of the outer cylinder frame (3) is connected and installed with the main shaft frame (1); wherein:
the main shaft frame (1) comprises a main shaft piece (11), a spring bolt (12) and a square column fixing piece (13), the middle part of the main shaft piece (11) is positioned in the outer barrel frame (3), threaded holes are formed in the upper end and the lower end of the main shaft piece (11), the spring bolt (12) is installed in each threaded hole, pin holes are formed in the upper end and the lower end of the middle part of the main shaft piece (11), a square column hole is formed in the center of the main shaft piece (11), and the square column fixing piece (13) is installed in each square column hole;
a plurality of movable cylinders (2) are arranged between the main shaft frame (1) and the outer cylinder frame (3), a main shaft piece (11) is matched with the movable cylinders (2) and the outer cylinder frame (3) is matched with the movable cylinders (2) in a relative sliding fit mode, the movable cylinders (2) form a concentric circle structure, each movable cylinder (2) comprises a cylinder piece (21), a cylindrical clamping groove (22) and a round ball clamping piece (23), the main shaft piece (11) is sleeved with the cylinder piece (21), the cylinder pieces (21) are symmetrically arranged on the two sides of the square column fixing piece (13) up and down, the cylinder pieces (21) are positioned on the inner side of the outer cylinder frame (3) and are provided with threaded holes, pin holes are formed in the pin hole projection positions of the cylinder pieces (21) on the main shaft piece (11), a shallow cylinder blind hole is formed in the outer side of the cylinder piece (21), the cylindrical clamping groove (22) is arranged on the shallow cylinder blind hole, and, a round ball clamping piece (23) is arranged on the deep cylindrical blind hole;
outer bobbin cradle (3) are including outer barrel spare (31) and rotatable screens piece (32), and both ends are connected the installation with outer barrel spare (31) about square post mounting (13), and rotatable screens piece (32) are evenly installed around circumference to both sides about outer barrel spare (31).
2. An improved connecting shaft as defined in claim 1, wherein: the spring bolt (12) comprises a bolt (121), a spring washer (122) and a nut (123), the cylinder piece (21) is connected with the main shaft piece (11) through the bolt (121), the spring washer (122) is installed at the lower end of the head of the bolt (121), and the nut (123) is installed at the tail of the bolt (121).
3. An improved connecting shaft as defined in claim 1, wherein: the square column fixing piece (13) comprises a square column body (131) and triangular prism fixture blocks (132), the square column body (131) is installed on a square column hole in the center of the main shaft piece (11), threaded holes are formed in the left end and the right end of the square column body (131), the triangular prism fixture blocks (132) are installed on the threaded holes, and the outer cylinder piece (31) is connected with the square column body (131) through the triangular prism fixture blocks (132).
4. An improved connecting shaft as defined in claim 1, wherein: oil grooves are formed in the inner surface of the cylindrical part (21), the oil grooves surround the inner wall of the cylindrical part (21), and the oil grooves are of end-to-end spiral structures.
5. An improved connecting shaft as defined in claim 1, wherein: the cylindrical clamping groove (22) comprises a cylindrical groove (221) and a rubber ring (222), the cylindrical groove (221) is located in a shallow cylindrical blind hole in the outer side of the cylindrical part (21), and the rubber ring (222) is installed in the cylindrical groove (221).
6. An improved connecting shaft as defined in claim 1, wherein: the ball clamping piece (23) comprises a ball (231) and a spring (232), the ball (231) is mounted on a deep cylindrical blind hole in the inner side of the cylindrical piece (21) through a rotating shaft, the spring (232) is mounted at the lower end of the ball (231), and the lower end of the spring (232) is fixedly mounted with the deep cylindrical blind hole.
7. An improved connecting shaft as defined in claim 1, wherein: rotatable screens piece (32) are connected the installation with screens circular plate (322) and outer barrel spare (31) through screw (321) including screw (321), screens circular plate (322) and rectangular board (323), install rectangular board (323) through the round pin axle on screens circular plate (322).
8. An improved connecting shaft as defined in claim 7, wherein: the clamping circular plate (322) comprises a circular plate (3221) and a ratchet wheel (3222), wherein a circular groove is formed in the circular plate (3221), the ratchet wheel (3222) is arranged at two ends of the inner side of the circular groove, and the direction of the ratchet wheel (3222) is in the anticlockwise rotation direction.
CN201910768276.7A 2019-08-20 2019-08-20 Improved generation connecting axle Active CN110454476B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910768276.7A CN110454476B (en) 2019-08-20 2019-08-20 Improved generation connecting axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910768276.7A CN110454476B (en) 2019-08-20 2019-08-20 Improved generation connecting axle

Publications (2)

Publication Number Publication Date
CN110454476A CN110454476A (en) 2019-11-15
CN110454476B true CN110454476B (en) 2021-04-30

Family

ID=68487880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910768276.7A Active CN110454476B (en) 2019-08-20 2019-08-20 Improved generation connecting axle

Country Status (1)

Country Link
CN (1) CN110454476B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB408673A (en) * 1932-10-14 1934-04-16 Brown William A new or improved crank-shaft or like grinding tool
US4561654A (en) * 1984-07-26 1985-12-31 Robert R. Haza Device for adjusting the diameter of bowling ball holes
US4850774A (en) * 1987-10-26 1989-07-25 The Boeing Company Self-locking adjustable screw
JP3810652B2 (en) * 2001-06-01 2006-08-16 株式会社大林組 Junction structure
CN102269208B (en) * 2010-12-31 2013-03-27 北京谊安医疗系统股份有限公司 Pin shaft and coupling with same
CN208322821U (en) * 2018-04-30 2019-01-04 广州三浦焊接技术有限公司 A kind of KCF positioning pin for processing auto parts

Also Published As

Publication number Publication date
CN110454476A (en) 2019-11-15

Similar Documents

Publication Publication Date Title
CN110454476B (en) Improved generation connecting axle
CN205033153U (en) Bearing dismounting device
CN103252750A (en) Mechanical axis end part installment auxiliary tool
CN108730174B (en) Fine-adjustable self-adaptive positioning device for piston rod of drilling pump
WO2020206746A1 (en) Novel guide slider
CN212121969U (en) Clamping device is used in pump barrel processing
CN110153946B (en) Drawing device
CN207535162U (en) A kind of mold automatic threads demoulding mechanical structure
CN219073904U (en) Combined roller
CN112963438B (en) High-precision bearing
CN214980720U (en) Puller
CN220373179U (en) Lock cap disassembly assembly
CN205237464U (en) Dedicated novel tripod draws horse locking device
CN216895252U (en) Locking device
CN113799018B (en) Self-positioning mechanism for precisely aligning semi-ring parts
CN217915380U (en) Quick change structure for clamping jaw of manipulator
US2793543A (en) Eccentric wrist pin mounting for pumping units
CN219599392U (en) Dismounting device for blind hole bearing outer ring
CN215920334U (en) Dismounting device of pipe tobacco conveying belt roller bearing
CN106969019B (en) Positioning device for track pin shaft of ultra-large excavator
CN211449417U (en) Adapter sleeve assembly for bearing
CN214923483U (en) Diamond roller with good positioning effect
CN213176300U (en) Vibrating spear quick plug structure
CN217494131U (en) Bearing withdrawal sleeve dismounting device
CN218800119U (en) Positioning and centering device for connecting sleeve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210413

Address after: 315000 Qianyu village, Gulin Town, Haishu District, Ningbo City, Zhejiang Province

Applicant after: Ningbo quanxun Precision Machinery Co.,Ltd.

Address before: 241000 Anhui Engineering University, Beijing Middle Road, Wuhu City, Anhui Province

Applicant before: Nie Yan

GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 315100 No. 28, Dongzhen Road, Dongqiao Town, Haishu District, Ningbo City, Zhejiang Province

Patentee after: Ningbo quanxun Precision Machinery Co.,Ltd.

Address before: 315000 Qianyu village, Gulin Town, Haishu District, Ningbo City, Zhejiang Province

Patentee before: Ningbo quanxun Precision Machinery Co.,Ltd.