CN217380173U

CN217380173U - Exempt from pulley that punches

Info

Publication number: CN217380173U
Application number: CN202220889902.5U
Authority: CN
Inventors: 陆长恩
Original assignee: Gaoyao District Jinli Town Tongchuang Hardware Factory
Current assignee: Gaoyao District Jinli Town Tongchuang Hardware Factory
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-06
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a punching-free pulley, which comprises a shell, wherein a U-shaped shell is arranged in the shell, a pulley shell is arranged in the U-shaped shell, the left side and the right side of the pulley shell are both provided with a wheel body, the left side and the right side of the surface of the shell are both provided with a positioning block, the shell is clamped and fixed through the positioning block and the first screw, the distance between the positioning block and the shell can be adjusted, the positioning block is fixedly connected with an external mounting plate through the first screw, the middle part of the surface of the positioning block is provided with a screw hole, a first screw is screwed in the screw hole, the first screw is arranged on the surface of the shell, the right side surface of the shell is screwed with the second screw, the U-shaped shell is internally provided with a nut, and the nut is in threaded connection with the second screw, in the use process, the installation and the disassembly are convenient, the use is flexible and convenient, and the stability is high.

Description

Exempt from pulley that punches

Technical Field

The utility model relates to a pulley technical field specifically is an exempt from pulley that punches.

Background

The pulley is used extensively in the life, and its mounting means of pulley commonly used articulates for utilizing the couple mostly, and easy dismounting is nevertheless stability relatively poor, and the pulley that utilizes the mounting hole shape to fix is then the dismouting troublesome, not only need punch, still needs to use the instrument of punching, has certain limitation in the use, consequently lacks easy dismounting and fixing effectual pulley.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a punching-free pulley is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exempt from pulley that punches to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a punching-free pulley comprises a shell, wherein the shell is rectangular, the shell is made of a metal material, the firmness of the shell is ensured, a U-shaped shell is arranged in the shell and can be just attached to the inside of the shell, two groups of convex blocks are arranged on the surface of the U-shaped shell and abut against the inner wall of the shell, a pulley shell is arranged in the U-shaped shell, two groups of reinforcing strips are fixedly connected to the inner wall of the pulley shell and are positioned between two groups of pulley bodies, the reinforcing strips and the pulley shell are integrally formed, the left side and the right side of the pulley shell are respectively provided with a pulley body, a rotating shaft is arranged in the pulley body, and two ends of the rotating shaft are fixedly connected with the pulley shell;

the locating piece is all installed to the shell surface left and right sides, and the length of locating piece is greater than the width of shell, locating piece surface middle part is equipped with the screw hole, the inside spiro union of screw hole has first screw, and first screw installation is on the shell surface, the shell right flank spiro union has the second screw, the inside nut that is equipped with of U-shaped shell, and nut and second screw thread connection, the equal fixed connection screw hole board in the inside left and right sides of shell, two sets of first screw and the screw hole board threaded connection who corresponds, screw hole board and shell integrated into one piece ensure the fastness that shell and screw hole board are connected.

Further, a pan nail is installed on the side face of the shell and penetrates through the U-shaped shell and the pulley shell, and the joint of the pan nail and the shell is in a slightly concave shape and used for installing the pan nail.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a locating piece and first screw carry out the joint to the shell fixed, and interval between locating piece and the shell can be adjusted, utilize first screw to carry out fixed connection with locating piece and external mounting panel, utilize second screw and nut to carry out supplementary fixed to the shell, at the in-process that uses, it is comparatively convenient to install and dismantle, and it is nimble convenient to use, and stability is high.

Drawings

Fig. 1 is a schematic view of the split structure of the present invention;

FIG. 2 is a schematic structural view of the connection between the housing and the positioning block of the present invention;

fig. 3 is a schematic view of the structure of the shell and the screw hole plate of the present invention.

In the figure: 1. a housing; 2. a screw hole plate; 3. positioning blocks; 4. a first screw; 5. a U-shaped shell; 6. a pulley housing; 7. a wheel body; 8. pan nails; 9. a second screw; 10. a nut; 11. a rotating shaft; 12. a bump; 13. a reinforcing strip.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a punching-free pulley comprises a shell 1, wherein the shell 1 bears each part to enable the whole pulley to be normally used, a U-shaped shell 5 is arranged inside the shell 1, two groups of convex blocks 12 are arranged on the surface of the U-shaped shell 5, the convex blocks 12 abut against the inner wall of the shell 1, the U-shaped shell 5 has certain toughness, the convex blocks 12 are subjected to elastic force of the U-shaped shell 5, the U-shaped shell 5 is attached to the shell 1 more tightly, nuts 10 are limited by the U-shaped shell 5, a pulley shell 6 is arranged inside the U-shaped shell 5, a pan nail 8 is arranged on the side face of the shell 1, the pan nail 8 penetrates through the U-shaped shell 5 and the pulley shell 6, the pan nail 8 connects the U-shaped shell 5 with the pulley shell 6 and the shell 1, two groups of reinforcing strips 13 are fixedly connected to the inner wall of the pulley shell 6, the two groups of reinforcing strips 13 are positioned between two groups of wheel bodies 7, the reinforcing strips 13 can improve firmness of the pulley shell 6, preventing the pulley housing 6 from deforming;

the pulley shell comprises a pulley shell body 6, a pulley body 7 is arranged on the left side and the right side of the pulley shell body 6, the pulley shell body 6 supports and fixes the pulley body 7, a rotating shaft 11 is arranged inside the pulley body 7, two ends of the rotating shaft 11 are fixedly connected with the pulley shell body 6, the rotating shaft 11 supports the pulley body 7 and ensures that the pulley body 7 can rotate, positioning blocks 3 are arranged on the left side and the right side of the surface of the shell 1, the length of each positioning block 3 is larger than the width of the shell 1, the shell 1 can be arranged at a specified position by the positioning blocks 3, a screw hole is formed in the middle of the surface of each positioning block 3, a first screw 4 is screwed inside each screw hole, the first screws 4 are arranged on the surface of the shell 1, the positions of the positioning blocks 3 are adjusted by the first screws 4, screw holes 2 are fixedly connected on the left side and the right side of the shell 1, the first screws 4 are in threaded connection with the corresponding screw holes 2, and the screw holes 2 provide mounting points for the first screws 4, the first screw 4 is detachably connected with the shell 1;

the shell 1 right side spiro union has second screw 9, the inside nut 10 that is equipped with of U-shaped shell 5, and nut 10 and 9 threaded connection of second screw, and the cooperation of second screw 9 and nut 10 can assist fixedly to shell 1.

Specifically, during the use, unscrew first screw 4 and make locating piece 3 can slide along first screw 4, utilize locating piece 3 and the cooperation of shell 1 can reach tight purpose this moment, screw up first screw 4 and can install locating piece 3 and shell 1 together with the support that the external world matches, two sets of locating pieces 3 cooperate and can be with the stable installation of shell 1, after the installation of shell 1 is accomplished, with the stay cord around two sets of wheels 7 can use the pulley.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a pulley exempts from to punch, includes shell (1), its characterized in that: shell (1) internally mounted has U-shaped shell (5), U-shaped shell (5) internally mounted has pulley shell (6), wheel body (7) are all installed to the pulley shell (6) left and right sides, locating piece (3) are all installed to shell (1) surface left and right sides, and the length of locating piece (3) is greater than the width of shell (1), locating piece (3) surface middle part is equipped with the screw hole, the inside spiro union of screw hole has first screw (4), and installs on shell (1) surface first screw (4), shell (1) right flank spiro union has second screw (9), U-shaped shell (5) inside is equipped with nut (10), and nut (10) and second screw (9) threaded connection.

2. The punching-free pulley according to claim 1, wherein: the left side and the right side of the inside of the shell (1) are fixedly connected with the screw hole plate (2), and the first screws (4) are in threaded connection with the corresponding screw hole plate (2).

3. The punching-free pulley according to claim 1, wherein: the pulley body (7) internally mounted has pivot (11), pivot (11) both ends and pulley shell (6) fixed connection.

4. The punching-free pulley according to claim 1, wherein: the utility model discloses a pot, including shell (1), casing (8), pot nail (8) are installed to the shell side, U-shaped shell (5) and pulley shell (6) are run through in pot nail (8).

5. The punching-free pulley according to claim 1, wherein: two groups of convex blocks (12) are arranged on the surface of the U-shaped shell (5), and the convex blocks (12) are abutted to the inner wall of the shell (1).

6. The punching-free pulley according to claim 1, wherein: the pulley shell (6) is fixedly connected with two groups of reinforcing strips (13) on the inner wall, and the two groups of reinforcing strips (13) are positioned between the two groups of wheel bodies (7).