CN216300671U

CN216300671U - Fast-assembling quick detach pulley

Info

Publication number: CN216300671U
Application number: CN202122681516.5U
Authority: CN
Inventors: 卢国文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-15
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to the technical field of hardware tools and discloses a quick-mounting and quick-dismounting pulley which comprises a first frame, a second frame, a first wheel body, a second wheel body, a rotating sheet, a fixing screw and a fixing piece, wherein the first wheel body and the second wheel body are both arranged on the inner side of the second frame; the pulley adopts a double-frame design, increases the bearing stress area, ensures that the pulley is not easy to deform, prolongs the service life, is convenient for quickly disassembling and assembling the wheel body so as to replace the worn wheel body, brings convenience to the operation, improves the working efficiency, solves the problems that the bearing area on two sides of the pulley is small and the pulley is easy to deform because some conventional pulleys adopt a single-frame design, and overcomes the defect that the pulley is inconvenient to replace.

Description

Fast-assembling quick detach pulley

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a quick-mounting and quick-dismounting pulley.

Background

In mechanics, a typical pulley is a circular wheel that can rotate about a central axis. The circular wheel has a groove in its circumferential surface, and the rope is wound around the groove, and either end of the rope is pulled forcibly, so that the friction between the rope and the circular wheel causes the circular wheel to rotate around the central shaft. The main functions of the pulley are to pull the load, change the direction of the applied force, transmit the power, etc.

The outside of pulley is provided with the frame of fixing usefulness usually, fixes the pulley, for it provides the fulcrum, or installs the pulley in other positions, but present pulley adopts single frame design usually, and the bearing area of pulley both sides is less, and the in-process of long-term use is out of shape easily, and the pulley itself easily receives wearing and tearing moreover, needs to be changed, at the in-process of changing, and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-mounting and quick-dismounting pulley which adopts a double-frame design, increases the bearing stress area, enables the pulley not to deform easily, and is convenient for quickly dismounting and mounting a wheel body so as to replace the worn wheel body.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fast-assembling quick detach pulley, includes first frame, second frame, first wheel body, second wheel body, revolving fragment, fixed screw and mounting, the inboard at the second frame is all installed to first wheel body and second wheel body, the fixed block that is provided with in front of revolving fragment, the constant head tank has all been run through to the positive both sides of first frame, the inner wall sliding connection of fixed block and constant head tank, the inside center department of second frame is provided with the mounting, the right side of first frame is run through and is seted up the through-hole, the thread groove has been seted up on the right side of second frame, and the inner wall threaded connection of fixed screw and thread groove, the surface of fixed screw still threaded connection has fixed nut, and fixed nut is located the inboard of second frame.

Preferably, the upper side and the lower side of the fixing part are clamped with positioning pins, the upper side and the lower side of the second frame are provided with movable grooves, and the upper side and the lower side of the first frame are provided with sliding grooves.

Preferably, the positioning pin is connected with the inner wall of the movable groove in a sliding mode, the positioning pin is connected with the inner wall of the sliding groove in a sliding mode, and the width of the inner wall of the movable groove is the same as that of the inner wall of the sliding groove.

Preferably, a first through groove is formed in the left side of the front face of the first frame, and a second through groove is formed in the right side of the front face of the second frame.

Preferably, the surface of the fixing screw is further provided with a gasket, and the gasket is located between the inner wall of the first frame and the outer wall of the second frame.

Preferably, one end of the fixing screw, which is far away from the first frame, is provided with a groove, and the cross section of the groove is hexagonal.

Compared with the prior art, the utility model has the following beneficial effects:

the pulley adopts a double-frame design, increases the bearing stress area, ensures that the pulley is not easy to deform, prolongs the service life, is convenient for quickly disassembling and assembling the wheel body so as to replace the worn wheel body, brings convenience to the operation, improves the working efficiency, solves the problems that the bearing area on two sides of the pulley is small and the pulley is easy to deform because some conventional pulleys adopt a single-frame design, and overcomes the defect that the pulley is inconvenient to replace.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the first frame separated from the second frame according to the present invention;

FIG. 3 is a schematic view of the first frame and the second frame assembled together according to the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. a first frame; 2. a second frame; 3. a first wheel body; 4. a second wheel body; 5. a first through groove; 6. a second through groove; 7. a rotating sheet; 8. a fixed block; 9. positioning a groove; 10. a fixing member; 11. positioning pins; 12. a movable groove; 13. fixing screws; 14. a gasket; 15. a groove; 16. a through hole; 17. a thread groove; 18. a chute; 19. and (5) fixing the screw cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a fast-assembling and fast-disassembling pulley includes a first frame 1, a second frame 2, a first pulley 3, a second pulley 4, a rotating plate 7, a fixing screw 13 and a fixing member 10, wherein the first pulley 3 and the second pulley 4 are both installed inside the second frame 2, the front surface of the rotating plate 7 is fixedly provided with a fixing block 8, both sides of the front surface of the first frame 1 are respectively provided with a positioning slot 9, the fixing block 8 is slidably connected with an inner wall of the positioning slot 9, the center inside of the second frame 2 is provided with the fixing member 10, the right side of the first frame 1 is provided with a through hole 16, the right side of the second frame 2 is provided with a threaded slot 17, the fixing screw 13 is in threaded connection with an inner wall of the threaded slot 17, the surface of the fixing screw 13 is further in threaded connection with a fixing nut 19, and the fixing nut 19 is located inside the second frame 2, the pulley adopts a double-frame design, the area of bearing atress has been increased for self is difficult for taking place deformation, and increase of service life, this pulley also makes things convenient for quick dismantlement and installation to the wheel body moreover, so that change the wheel body of wearing and tearing, brought the facility for the operation, improved work efficiency, solved some current pulleys and adopted single frame design usually, the bearing area of pulley both sides is less, the problem of easy deformation, and overcome the inconvenient defect of changing of pulley itself.

Referring to fig. 1 and 2, the upper and lower sides of the fixing member 10 are respectively clamped with a positioning pin 11, the upper and lower sides of the second frame 2 are respectively provided with a movable groove 12, the upper and lower sides of the first frame 1 are respectively provided with a sliding groove 18, the positioning pin 11 is used for fixing the fixing member 10 through the positioning pin 11, the movable groove 12 and the sliding groove 18, and the positioning pin 11 can move due to the arrangement of the movable groove 12 and the sliding groove 18, so that the mounting and dismounting are convenient.

Referring to fig. 1 and 2, the positioning pin 11 is slidably connected to the inner wall of the movable groove 12, and the positioning pin 11 is slidably connected to the inner wall of the sliding groove 18, and the width of the inner wall of the movable groove 12 is the same as the width of the inner wall of the sliding groove 18, such a design makes the movable groove 12 and the sliding groove 18 have the same size, if the size of the movable groove 12 or the sliding groove 18 is slightly larger, the movement range of the positioning pin 11 is enlarged, which is likely to cause looseness, and if the size of the movable groove 12 or the sliding groove 18 is slightly smaller, the positioning pin 11 cannot move.

Referring to fig. 1, 2 and 3, a first through groove 5 is formed in the left side of the front surface of the first frame 1, and a second through groove 6 is formed in the right side of the front surface of the second frame 2, and through the arrangement of the first through groove 5 and the second through groove 6, a rope can pass through the first through groove 5 and the second through groove 6 and be wound on the surfaces of the first wheel body 3 and the second wheel body 4, so that the rope can be used.

Referring to fig. 1 and 2, the surface of the fixing screw 13 is further provided with a gasket 14, the gasket 14 is located between the inner wall of the first frame 1 and the outer wall of the second frame 2, and the gasket 14 is disposed on the surface of the fixing screw 13 to achieve an auxiliary fixing effect and increase the fixing firmness between the first frame 1 and the second frame 2.

Referring to fig. 1, 2 and 3, a groove 15 is formed at one end of the fixing screw 13 away from the first frame 1, the cross section of the groove 15 is hexagonal, and the groove 15 is convenient for a worker to rotate the fixing screw 13 by using a hexagonal prism, so that the fixing screw is convenient to disassemble and assemble.

The working principle is as follows: when using, the cooperation of set screw 13 and fixation nut 19 is used first frame 1 and second frame 2 reciprocal anchorage, mounting 10 carries out assistance-localization real-time to two frames through locating pin 11 simultaneously, two frame increase bearing area this moment, and bear pressure jointly, effectively prevent deformation, in the dismantlement in-process, only need insert recess 15 through hexagonal prism, and rotate set screw 13, set screw 13 begins to remove under the effect of fixation nut 19 screw thread afterwards, later break away from the inside of through-hole 16 and thread groove 17 in proper order, thereby accomplish quick assembly disassembly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fast-assembling quick detach pulley, includes first frame (1), second frame (2), first wheel body (3), second wheel body (4), revolving fragment (7), set screw (13) and mounting (10), its characterized in that: the inboard at second frame (2) is all installed in first wheel body (3) and second wheel body (4), the fixed block (8) that is provided with in front of revolving fragment (7), constant head tank (9) have all been run through to first frame (1) positive both sides, the inner wall sliding connection of fixed block (8) and constant head tank (9), the inside center department of second frame (2) is provided with mounting (10), the right side of first frame (1) is run through and is seted up through-hole (16), thread groove (17) have been seted up on the right side of second frame (2), and the inner wall threaded connection of fixed screw (13) and thread groove (17), the surface of fixed screw (13) still threaded connection has fixation nut (19), and fixation nut (19) are located the inboard of second frame (2).

2. The quick-assembly quick-disassembly pulley of claim 1, wherein: locating pins (11) are clamped on the upper side and the lower side of the fixing piece (10), movable grooves (12) are formed in the upper side and the lower side of the second frame (2), and sliding grooves (18) are formed in the upper side and the lower side of the first frame (1).

3. The quick-assembly quick-disassembly pulley of claim 2, wherein: the positioning pin (11) is connected with the inner wall of the movable groove (12) in a sliding mode, the positioning pin (11) is connected with the inner wall of the sliding groove (18) in a sliding mode, and the width of the inner wall of the movable groove (12) is the same as that of the inner wall of the sliding groove (18).

4. The quick-assembly quick-disassembly pulley of claim 1, wherein: a first through groove (5) is formed in the left side of the front face of the first frame (1), and a second through groove (6) is formed in the right side of the front face of the second frame (2).

5. The quick-assembly quick-disassembly pulley of claim 1, wherein: the surface of the fixing screw (13) is also provided with a gasket (14), and the gasket (14) is positioned between the inner wall of the first frame (1) and the outer wall of the second frame (2).

6. The quick-assembly quick-disassembly pulley of claim 1, wherein: a groove (15) is formed in one end, far away from the first frame (1), of the fixing screw (13), and the cross section of the groove (15) is hexagonal.