CN220999058U

CN220999058U - Side-by-side double pulley

Info

Publication number: CN220999058U
Application number: CN202322677389.0U
Authority: CN
Inventors: 于建军
Original assignee: Yangxin Huifeng Stainless Steel Rigging Co ltd
Current assignee: Yangxin Huifeng Stainless Steel Rigging Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-24
Anticipated expiration: 2033-10-08

Abstract

The utility model relates to the technical field of mechanical tools, in particular to a side-by-side double pulley, which comprises: the pulley body comprises a pulley frame, wherein a roller is movably connected in the pulley frame, the top end of the pulley frame is connected with a supporting plate, and hooks are connected to two sides of the supporting plate; the adjusting mechanism is inserted inside the two ends of the hook and comprises a threaded rod, and one end of the threaded rod is connected with a limiting ring. According to the utility model, the threaded rod is meshed with the threads inside the thread groove formed in the supporting plate for moving through the rotation limiting ring, the supporting rod is limited by the bearing ring without affecting the autorotation effect, and the interval between the supporting plate and the limiting ring is adjusted when the threaded rod moves, so that the flexibility of the hook between the supporting plate and the limiting ring is higher, the effect of a hook rope is not affected, and the problems that the joint between the hook and the pulley frame is too tight, the tightness cannot be adjusted, and the hook angle adjustment is affected are avoided.

Description

Side-by-side double pulley

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to a side-by-side double pulley.

Background

The pulley is a simple machine for lifting heavy objects and saving labor, the pulley is a small wheel with grooves at the periphery and capable of rotating around a shaft, the simple machine which is composed of a disc with grooves capable of rotating around a central shaft and ropes, steel ropes, chains and the like crossing the disc and capable of rotating around the central shaft is called a pulley, and the side-by-side double pulleys are higher in stability.

When using current side by side double pulleys, its effect of side by side double pulleys is that the cooperation rope, cable wire, chain etc. constitute the pulling instrument and promote the heavy object, but current side by side double pulleys's couple utilizes the bolt to carry out spacingly usually, but the bolt can make laminating too closely between couple and the pulley, can't adjust elasticity, influences couple angle modulation.

Disclosure of utility model

The utility model aims to provide a side-by-side double pulley to solve the problems that in the prior art, a hook of the side-by-side double pulley is limited by a bolt, but the bolt can enable the hook to be tightly attached to the pulley, tightness cannot be adjusted, and angle adjustment of the hook is affected.

In order to achieve the above purpose, the present utility model provides a side-by-side double pulley, comprising:

The pulley body comprises a pulley frame, wherein a roller is movably connected in the pulley frame, the top end of the pulley frame is connected with a supporting plate, and hooks are connected to two sides of the supporting plate;

The adjusting mechanism is inserted inside the two ends of the hook and comprises a threaded rod, one end of the threaded rod is connected with a limiting ring, the threaded rod is internally connected with a supporting spring, one end of the supporting spring is connected with a supporting rod, and one end of the supporting rod is movably connected with a bearing ring.

Preferably, through holes are formed in two ends of the hook, a thread groove is formed in the top end of the supporting plate, and the threaded rod penetrates through the through holes formed in the hook to rotate and is connected with the inside of the thread groove formed in the supporting plate.

Preferably, a slot hole is formed in one end of the threaded rod, and one end of the supporting spring is connected to one side of the inner wall of the slot hole formed in the threaded rod.

Preferably, one end of the supporting rod is inserted into a slotted hole formed in the threaded rod and is connected with the supporting spring, and the supporting rods are arranged into two groups and are respectively connected with two ends of the bearing ring for movable connection.

Preferably, the outer walls of two sides of the pulley frame are sleeved with a limiting structure, the limiting structure comprises a first limiting frame, one end of the first limiting frame is connected with a positioning rod, the outer wall of the positioning rod is sleeved with a second limiting frame, one end of the second limiting frame is internally inserted with a positioning block, and one side of the positioning block is internally inserted with a bolt.

Preferably, positioning grooves are formed in two ends of the second limiting frame, and the positioning rod and the positioning block are inserted into the positioning grooves formed in the second limiting frame.

Preferably, a through hole is formed in one side of the inner wall of one group of locating grooves formed in the second limiting frame, a threaded hole is formed in one side of the locating block, and one end of the bolt penetrates through the through hole formed in the second limiting frame and is rotationally connected to the inside of the threaded hole formed in the locating block.

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

1. The threaded rod is meshed inside the threaded groove formed in the supporting plate through the rotation limiting ring to move in threads, the supporting spring is enabled to extend and drive the supporting rod to rotate at one end of the bearing ring, the bearing ring is utilized to limit the supporting rod, the rotation effect of the supporting rod is not affected, the distance between the supporting plate and the limiting ring is adjusted when the threaded rod moves, the flexibility of a hook between the supporting plate and the limiting ring is higher, the effect of a hook rope is not affected, the problem that the joint between the hook and the pulley frame is too tight, the tightness cannot be adjusted, and the angle adjustment of the hook is affected is avoided.

2. The first limiting frame and the second limiting frame are inserted into two sides of the pulley frame, the positioning rod connected with one end of the first limiting frame is inserted into the positioning groove formed in the second limiting frame, the positioning block is inserted into the other group of positioning grooves formed in the second limiting frame, the first limiting frame and the second limiting frame are positioned through the positioning rod and the positioning block, one end of the bolt penetrates through the through hole formed in the second limiting frame to be rotationally connected into the threaded hole formed in the positioning block, limiting between the first limiting frame and the second limiting frame is achieved, and therefore the auxiliary fastening effect of the first limiting frame and the second limiting frame on the pulley frame is utilized.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective view of the structure of the present utility model in elevation and cross section;

FIG. 3 is a schematic perspective view of a side view and cross section of the structure of the present utility model;

FIG. 4 is a schematic perspective view, partially in section, of a structure of the present utility model;

Fig. 5 is a top view partially cut-away perspective schematic illustration of the structure of the present utility model.

In the figure: 1. a pulley body; 11. a pulley frame; 12. a roller; 13. a support plate; 14. a hook; 2. an adjusting mechanism; 21. a threaded rod; 22. a limiting ring; 23. a support spring; 24. a support rod; 25. a bearing ring; 3. a limit structure; 31. a first limiting frame; 32. a positioning rod; 33. the second limiting frame; 34. a positioning block; 35. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

a side-by-side double pulley comprising:

The pulley body 1 comprises a pulley frame 11, a roller 12 is movably connected in the pulley frame 11, a supporting plate 13 is connected to the top end of the pulley frame 11, hooks 14 are connected to two sides of the supporting plate 13, the internal material of the roller 12 is the prior art, and the roller 12 can be purchased in the market and is not used as a technical protection point of the application, so that excessive statements are not made;

The adjusting mechanism 2 is inserted into the two ends of the hook 14 and comprises a threaded rod 21, one end of the threaded rod 21 is connected with a limiting ring 22, the inside of the threaded rod 21 is connected with a supporting spring 23, one end of the supporting spring 23 is connected with a supporting rod 24, and one end of the supporting rod 24 is movably connected with a bearing ring 25.

Further, through holes are formed in two ends of the hook 14, a thread groove is formed in the top end of the supporting plate 13, the threaded rod 21 penetrates through the through hole formed in the hook 14 to rotate and be connected with the inside of the thread groove formed in the supporting plate 13, and the effect of moving and limiting one end of the threaded rod 21 through the thread groove formed in the supporting plate 13 is achieved.

Further, a slot hole is formed in one end of the threaded rod 21, and one end of the supporting spring 23 is connected to one side of the inner wall of the slot hole formed in the threaded rod 21, so that the limiting effect on one end of the supporting spring 23 is achieved through the slot hole formed in the threaded rod 21.

Further, one end of the supporting rod 24 is inserted into a slot hole formed in the threaded rod 21 and is connected to the supporting spring 23, the supporting rods 24 are arranged into two groups and are respectively connected to two ends of the bearing ring 25 for movable connection, and the rotation effect of the supporting rod 24 is not affected while one end of the supporting rod 24 is limited through the bearing ring 25.

Further, the outer walls of two sides of the pulley frame 11 are sleeved with the limiting structure 3, the limiting structure 3 comprises a first limiting frame 31, one end of the first limiting frame 31 is connected with a positioning rod 32, the outer wall of the positioning rod 32 is sleeved with a second limiting frame 33, a positioning block 34 is inserted into one end of the second limiting frame 33, a bolt 35 is inserted into one side of the positioning block 34, limiting between the first limiting frame 31 and the second limiting frame 33 is achieved, and therefore the first limiting frame 31 and the second limiting frame 33 are utilized to assist in fastening of the pulley frame 11.

Further, positioning grooves are formed in two ends of the second limiting frame 33, and the positioning rod 32 and the positioning block 34 are inserted into the positioning grooves formed in the second limiting frame 33, so that positioning action between the first limiting frame 31 and the second limiting frame 33 through the positioning rod 32 and the positioning block 34 is achieved.

Further, a through hole is formed in one side of the inner wall of one set of positioning groove formed in the second limiting frame 33, a threaded hole is formed in one side of the positioning block 34, one end of a bolt 35 penetrates through the through hole formed in the second limiting frame 33 and is rotationally connected to the inside of the threaded hole formed in the positioning block 34, and the first limiting frame 31 and the second limiting frame 33 are rotationally connected through the bolt 35 and the inside of the threaded hole formed in the positioning block 34.

Working principle: when adjusting the side by side double pulleys, make threaded rod 21 in the thread groove inside meshing that backup pad 13 offered move in the screw thread through rotating spacing ring 22 to make support spring 23 extend and drive bracing piece 24 in bearing ring 25 one end and rotate, utilize bearing ring 25 to carry out the spacing while to bracing piece 24 and do not influence its rotation effect, and make the interval between backup pad 13 and the spacing ring 22 adjust when threaded rod 21 moves, thereby make the couple 14 flexibility ratio between backup pad 13 and the spacing ring 22 higher, do not influence the effect of couple 14 coupler rope.

When the side-by-side double pulleys are limited, the first limiting frame 31 and the second limiting frame 33 are inserted into the two sides of the pulley frame 11, the positioning rod 32 connected with one end of the first limiting frame 31 is inserted into the positioning groove formed in the second limiting frame 33, the positioning block 34 is inserted into the other group of positioning grooves formed in the second limiting frame 33, the first limiting frame 31 and the second limiting frame 33 are positioned through the positioning rod 32 and the positioning block 34, one end of the bolt 35 penetrates through the through hole formed in the second limiting frame 33 and is rotationally connected into the threaded hole formed in the positioning block 34, and the limiting between the first limiting frame 31 and the second limiting frame 33 is realized, so that the pulley frame 11 is assisted in fastening effect by the first limiting frame 31 and the second limiting frame 33.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A side-by-side double pulley comprising:

The pulley body (1) comprises a pulley frame (11), wherein a roller (12) is movably connected in the pulley frame (11), the top end of the pulley frame (11) is connected with a supporting plate (13), and hooks (14) are connected to two sides of the supporting plate (13);

The adjustable hook comprises a threaded rod (21), wherein a limiting ring (22) is connected to one end of the threaded rod (21), a supporting spring (23) is connected to the threaded rod (21), a supporting rod (24) is connected to one end of the supporting spring (23), and a bearing ring (25) is movably connected to one end of the supporting rod (24).

2. A side-by-side double pulley according to claim 1, wherein: through holes are formed in two ends of the hook (14), a thread groove is formed in the top end of the supporting plate (13), and the threaded rod (21) penetrates through the through holes formed in the hook (14) to be connected with the inside of the thread groove formed in the supporting plate (13) in a rotating mode.

3. A side-by-side double pulley according to claim 1, wherein: a slotted hole is formed in one end of the threaded rod (21), and one end of the supporting spring (23) is connected to one side of the inner wall of the slotted hole formed in the threaded rod (21).

4. A side-by-side double pulley according to claim 1, wherein: one end of the supporting rod (24) is inserted into a slotted hole formed in the threaded rod (21) and is connected with the supporting spring (23), and the supporting rods (24) are arranged in two groups and are respectively connected with two ends of the bearing ring (25) for movable connection.

5. A side-by-side double pulley according to claim 1, wherein: the pulley yoke (11) both sides outer wall has cup jointed limit structure (3), limit structure (3) are including first spacing (31), first spacing (31) one end is connected with locating lever (32), second spacing (33) have been cup jointed to locating lever (32) outer wall, locating piece (34) have been inserted to inside the inserting of second spacing (33) one end, bolt (35) have been inserted to inside locating piece (34) one side.

6. A side-by-side double pulley according to claim 5, wherein: positioning grooves are formed in two ends of the second limiting frame (33), and the positioning rod (32) and the positioning block (34) are inserted into the positioning grooves formed in the second limiting frame (33).

7. A side-by-side double pulley according to claim 5, wherein: through holes are formed in one side of the inner wall of one set of locating groove formed in the second limiting frame (33), threaded holes are formed in one side of the locating block (34), and one end of the bolt (35) penetrates through the through holes formed in the second limiting frame (33) to be connected to the inside of the threaded holes formed in the locating block (34) in a rotating mode.