CN205064547U - Construction improvement's rotation axis - Google Patents
Construction improvement's rotation axis Download PDFInfo
- Publication number
- CN205064547U CN205064547U CN201520788072.7U CN201520788072U CN205064547U CN 205064547 U CN205064547 U CN 205064547U CN 201520788072 U CN201520788072 U CN 201520788072U CN 205064547 U CN205064547 U CN 205064547U
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- CN
- China
- Prior art keywords
- sleeve pipe
- push rod
- section
- revoling tube
- center hole
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Abstract
The utility model discloses a construction improvement's rotation axis, it includes rotary casing, the actuating lever, the activity ejector pin, the rotary casing core is seted up before the sleeve pipe, the rear end centre bore, the transversal regular polygon that personally submits of actuating lever, sleeve pipe front end centre bore includes the card section of holding of shape of cross section and actuating lever shape of cross section looks adaptation and lies in the distolateral and transversal circular section of personally submitting circular form in the card section of holding back, the tip inlays and inserts in the card section of holding of sleeve pipe front end centre bore behind the actuating lever, the activity ejector pin includes straight -bar portion, set up the ejector pin head of tip before straight -bar portion, the ejector pin head inlays to be adorned in the circular section of sleeve pipe front end centre bore, sleeve pipe rear end centre bore passes in straight -bar portion, ejector pin head external diameter value is big and little than the diameter value of the circular section of sleeve pipe front end centre bore than the internal diameter value of sleeve pipe rear end centre bore, the pinhole is seted up to the rotary casing surface, and the ejector pin head sets up preceding, rear end taper surface. By the above design, the utility model has the advantages of novel in design, assembly is maintained conveniently and convenient to use.
Description
Technical field
The utility model relates to mechanical transmission technical field, especially designs a kind of structure improved running shaft.
Background technique
As a kind of mechanical device of rotary drive, running shaft is widely used in mechanical transmission.
For running shaft, its general matching with gear or belt pulley, merges the extremely corresponding driveshaft part of rotary drive, and gear or belt pulley generally to be coordinated with running shaft by bearing pin and realize synchronous axial system; But for existing running shaft, in maintenance process, bearing pin is difficult to take out from corresponding pin-and-hole, and this brings certain inconvenience to maintenance work.
Summary of the invention
The purpose of this utility model is to provide a kind of structure improved running shaft for the deficiencies in the prior art, and this structure improved rotating shaft designs is novel, easy to assembly and easy to use.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of structure improved running shaft, include the revoling tube in cylindrical shape, the core of revoling tube offers the sleeve pipe front end center hole towards open front, the front end of revoling tube is equiped with the driveshaft in strip, the cross section of driveshaft is regular polygon, sleeve pipe front end center hole includes the suitable section of holding of the shape of cross section of shape of cross section and driveshaft and is positioned at the section of holding rear end side and the circle segments of circular in cross-section shape, and the rearward end of driveshaft is intercalated in the section of holding of sleeve pipe front end center hole;
The core of revoling tube rearward end offers backward opening and the sleeve pipe back-end central hole be communicated with sleeve pipe front end center hole, the circular in cross-section shape in sleeve pipe back-end central hole, the inner diameter values in sleeve pipe back-end central hole is little compared with the inner diameter values of the circle segments of sleeve pipe front end center hole, the rearward end of revoling tube can be equiped with movable push rod relatively fore-aft travel, movable push rod includes straight-bar portion and is arranged at the push rod head of straight-bar portion front end, the push rod head of movable push rod is flush-mounted in the circle segments of sleeve pipe front end center hole, the straight-bar portion of movable push rod passes sleeve pipe back-end central hole and extends to the rear end side of revoling tube, the external diameter value of the push rod head of movable push rod is large and little compared with the diameter value of the circle segments of sleeve pipe front end center hole compared with the inner diameter values in sleeve pipe back-end central hole,
The radial direction that the outer surface of revoling tube offers along revoling tube extends and the pin-and-hole be communicated with the circle segments of sleeve pipe front end center hole, the front end of the push rod head of movable push rod is provided with front end conical surface, and the rearward end of the push rod head of movable push rod is provided with rear end conical surface.
Wherein, described revoling tube is metal sleeve.
Wherein, described driveshaft is metallic rod.
Wherein, described movable push rod is metallic carrier rod.
Wherein, the cross section of described driveshaft is square, regular pentagon or regular hexagon.
The beneficial effects of the utility model are: the structure improved running shaft of one described in the utility model, it comprises revoling tube, driveshaft, movable push rod, revoling tube core offers sleeve pipe front end center hole, sleeve pipe back-end central hole, the cross section of driveshaft is regular polygon, sleeve pipe front end center hole comprises shape of cross section and the suitable section of holding of driveshaft shape of cross section and is positioned at the section of holding rear end side and the circle segments of circular in cross-section shape, driveshaft rearward end is intercalated in the section of holding of sleeve pipe front end center hole, movable push rod comprises straight-bar portion, be arranged at the push rod head of straight-bar portion front end, push rod head is flush-mounted in the circle segments of sleeve pipe front end center hole, straight-bar portion passes sleeve pipe back-end central hole and extends to the rear end side of revoling tube, the external diameter value of the push rod head of movable push rod is large and little compared with the diameter value of the circle segments of sleeve pipe front end center hole compared with the inner diameter values in sleeve pipe back-end central hole, revoling tube outer surface offers pin-and-hole, and push rod head arranges front end conical surface, rear end conical surface.Designed by said structure, the utility model has novel in structural design, assembles advantage easy to maintenance and easy to use.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Include in fig. 1 and 2:
1---revoling tube 11---sleeve pipe front end center hole
111---section of holding 112---circle segments
12---sleeve pipe back-end central hole 13---pin-and-hole
2---driveshaft 3---movable push rod
31---straight-bar portion 32---push rod head
321---front end conical surface 322---rear end conical surface.
Embodiment
Below in conjunction with concrete mode of execution, the utility model is described.
As depicted in figs. 1 and 2, a kind of structure improved running shaft, include the revoling tube 1 in cylindrical shape, the core of revoling tube 1 offers the sleeve pipe front end center hole 11 towards open front, the front end of revoling tube 1 is equiped with the driveshaft 2 in strip, the cross section of driveshaft 2 is regular polygon, sleeve pipe front end center hole 11 includes the suitable section of holding 111 of the shape of cross section of shape of cross section and driveshaft 2 and is positioned at the section of holding 111 rear end side and the circle segments 112 of circular in cross-section shape, the rearward end of driveshaft 2 is intercalated in the section of holding 111 of sleeve pipe front end center hole 11.
Further, the core of revoling tube 1 rearward end offers backward opening and the sleeve pipe back-end central hole 12 be communicated with sleeve pipe front end center hole 11, the circular in cross-section shape in sleeve pipe back-end central hole 12, the inner diameter values in sleeve pipe back-end central hole 12 is little compared with the inner diameter values of the circle segments 112 of sleeve pipe front end center hole 11, the rearward end of revoling tube 1 can be equiped with movable push rod 3 relatively fore-aft travel, movable push rod 3 includes straight-bar portion 31 and is arranged at the push rod head 32 of straight-bar portion 31 front end, the push rod head 32 of movable push rod 3 is flush-mounted in the circle segments 112 of sleeve pipe front end center hole 11, the straight-bar portion 31 of movable push rod 3 passes sleeve pipe back-end central hole 12 and extends to the rear end side of revoling tube 1, the external diameter value of the push rod head 32 of movable push rod 3 is large and little compared with the diameter value of the circle segments 112 of sleeve pipe front end center hole 11 compared with the inner diameter values in sleeve pipe back-end central hole 12.
Further, the radial direction that the outer surface of revoling tube 1 offers along revoling tube 1 extends and the pin-and-hole 13 be communicated with the circle segments 112 of sleeve pipe front end center hole 11, the front end of the push rod head 32 of movable push rod 3 is provided with front end conical surface 321, and the rearward end of the push rod head 32 of movable push rod 3 is provided with rear end conical surface 322.
Need to explain further, revoling tube 1 of the present utility model, driveshaft 2, movable push rod 3 can adopt metallic material to be prepared from respectively, and namely revoling tube 1 is metal sleeve, and driveshaft 2 is metallic rod, and movable push rod 3 is metallic carrier rod; Certainly, above-mentioned material does not form restriction of the present utility model, and namely revoling tube 1 of the present utility model, driveshaft 2 and movable push rod 3 can also adopt other material to be prepared from.
Need point out further, the cross section of driveshaft 2 of the present utility model can be designed to square, regular pentagon or regular hexagon etc.
In utility model works process, be intercalated in the pin-and-hole 13 of revoling tube 1 for position rotating sleeve pipe 1 and the bearing pin of gear or belt pulley, and the rearward end of driveshaft 2 coordinates with the section of holding 111 of the sleeve pipe front end center hole 11 of revoling tube 1, and then realize revoling tube 1 and driveshaft 2 synchronous axial system.When bearing pin takes out by needs in pin-and-hole 13, staff only needs forward or the push rod of promotion activity backwards 3, and is released in pin-and-hole 13 by bearing pin by the front end conical surface 321 of movable push rod 3 or rear end conical surface 322.
Comprehensive above-mentioned situation is known, is designed by said structure, and the utility model has novel in structural design, assembles advantage easy to maintenance and easy to use.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a structure improved running shaft, it is characterized in that: include the revoling tube (1) in cylindrical shape, the core of revoling tube (1) offers sleeve pipe front end center hole (11) towards open front, the front end of revoling tube (1) is equiped with the driveshaft (2) in strip, the cross section of driveshaft (2) is regular polygon, sleeve pipe front end center hole (11) includes the suitable section of holding (111) of the shape of cross section of shape of cross section and driveshaft (2) and is positioned at the section of holding (111) rear end side and the circle segments (112) of circular in cross-section shape, the rearward end of driveshaft (2) is intercalated in the section of holding (111) of sleeve pipe front end center hole (11),
The core of revoling tube (1) rearward end offers backward opening and the sleeve pipe back-end central hole (12) be communicated with sleeve pipe front end center hole (11), the circular in cross-section shape in sleeve pipe back-end central hole (12), the inner diameter values in sleeve pipe back-end central hole (12) is little compared with the inner diameter values of the circle segments (112) of sleeve pipe front end center hole (11), the rearward end of revoling tube (1) can be equiped with movable push rod (3) relatively fore-aft travel, movable push rod (3) includes straight-bar portion (31) and is arranged at the push rod head (32) of straight-bar portion (31) front end, the push rod head (32) of movable push rod (3) is flush-mounted in the circle segments (112) of sleeve pipe front end center hole (11), the straight-bar portion (31) of movable push rod (3) is through sleeve pipe back-end central hole (12) and extend to the rear end side of revoling tube (1), the external diameter value of the push rod head (32) of movable push rod (3) compared with sleeve pipe back-end central hole (12) inner diameter values greatly and little compared with the diameter value of the circle segments (112) of sleeve pipe front end center hole (11),
The radial direction that the outer surface of revoling tube (1) offers along revoling tube (1) extends and the pin-and-hole (13) be communicated with the circle segments (112) of sleeve pipe front end center hole (11), the front end of the push rod head (32) of movable push rod (3) is provided with front end conical surface (321), and the rearward end of the push rod head (32) of movable push rod (3) is provided with rear end conical surface (322).
2. the structure improved running shaft of one according to claim 1, is characterized in that: described revoling tube (1) is metal sleeve.
3. the structure improved running shaft of one according to claim 2, is characterized in that: described driveshaft (2) is metallic rod.
4. the structure improved running shaft of one according to claim 3, is characterized in that: described movable push rod (3) is metallic carrier rod.
5. the structure improved running shaft of one according to claim 4, is characterized in that: the cross section of described driveshaft (2) is square, regular pentagon or regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788072.7U CN205064547U (en) | 2015-10-14 | 2015-10-14 | Construction improvement's rotation axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788072.7U CN205064547U (en) | 2015-10-14 | 2015-10-14 | Construction improvement's rotation axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064547U true CN205064547U (en) | 2016-03-02 |
Family
ID=55391109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520788072.7U Active CN205064547U (en) | 2015-10-14 | 2015-10-14 | Construction improvement's rotation axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064547U (en) |
-
2015
- 2015-10-14 CN CN201520788072.7U patent/CN205064547U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |