CN219755274U

CN219755274U - Fixed pulley with adjustable angle

Info

Publication number: CN219755274U
Application number: CN202320952574.3U
Authority: CN
Inventors: 于剑锋
Original assignee: Yueqing Jinjiu Pulley Factory
Current assignee: Yueqing Jinjiu Pulley Factory
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-09-26
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the technical field of fixed pulleys and discloses an angle-adjustable fixed pulley which comprises a body mechanism, a connecting mechanism, an adjusting mechanism and a positioning mechanism, wherein the connecting mechanism is positioned at the lower end of the body mechanism, the adjusting mechanism is positioned at the outer end of the body mechanism, the positioning mechanism is positioned at the upper end of the body mechanism, the adjusting mechanism comprises a connecting frame, a micro motor, a worm wheel, a bearing shaft, a connecting rack, an adjusting rod, a movable groove and a limiting frame, the micro motor is fixedly arranged at the outer end of the connecting frame, the worm is fixedly arranged at the driving end of the micro motor, the worm wheel is movably arranged at the outer end of the worm, and the bearing shaft is fixedly arranged at the inner end of the worm wheel. This fixed pulley with adjustable angle can make the distance between the fixed pulley second of the device and the fixed pulley body adjust to let the object of hoist and mount adjust, let article can adjust whereabouts in different positions, improved convenience and the practicality of the device use.

Description

Fixed pulley with adjustable angle

Technical Field

The utility model relates to the technical field of fixed pulleys, in particular to an angle-adjustable fixed pulley.

Background

The fixed pulley is a part with high practicability and can be used in various fields, such as hoisting equipment, lifting windlass, clothes hangers and the like, the main function of the fixed pulley is to assist articles to adjust and transmit, and in the use process of the fixed pulley in the hoisting equipment, the number of the pulleys in the traditional pulley block is fixed, so that the existing fixed pulley form is not single any more, can be changed and combined, and is more beneficial to the modularized design of the pulley block.

The prior art scheme (publication number is CN 201921821598.5) discloses a flexible and multipurpose fixed pulley, a welding gun of the suspension welding machine of the patent needs large-angle rotary welding, the utility model is installed, a threaded hole on a boss 5 is connected and locked through a circular connecting hanging ring, so that a welding tongs is hung and rotated in a large angle through an utility model rotating wheel, and staff operation is facilitated; the utility model needs to be used as lifting application, the threaded holes on the boss 5 are used for fixedly connecting and locking the bolts, the pulley principle is used for changing the direction of the heavy object to lift, the requirement of large-angle rotation of staff operation can be met, and meanwhile, the utility model can be applied to other places to lift the heavy object, so that the wide application range and the diversity of the structure are flexibly realized.

But when in actual use, the fixed pulley does not have an adjusting effect, and is mostly fixedly arranged at one position, so that after the fixed pulley lifts an object, the final transmission position is one position, the practicality of the fixed pulley is reduced, different use requirements cannot be met, and the practicability of the fixed pulley is reduced.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide an angle-adjustable fixed pulley, which solves the problems that the fixed pulley has no adjusting effect in actual use, and is mostly fixedly arranged at one position, so that the final transmission position is one position after the fixed pulley is used for hoisting an object, and the practicability of the fixed pulley is reduced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an angle adjustable fixed pulley, includes body mechanism, coupling mechanism, adjustment mechanism and positioning mechanism, coupling mechanism is located body mechanism's lower extreme, adjustment mechanism is located body mechanism's outer end, positioning mechanism is located body mechanism's upper end, adjustment mechanism includes link, micro motor, worm wheel, accept the axle, connect rack, regulation pole, movable groove and spacing, micro motor fixed mounting is at the outer end of link, worm fixed mounting is at micro motor's driving end, worm wheel movable mounting is at the outer end of worm, accept axle fixed mounting at the inner of worm wheel, connect rack movable mounting at the outer end of worm wheel, adjust pole fixed mounting at the outer end of connecting rack, through installation connection rack, the micro motor of operation start-up lets connect rack regulation drive adjustment frame and fixed pulley two can carry out position adjustment, makes the distance between the fixed pulley two of device and the fixed pulley body adjust to let article can adjust whereabouts in different positions, improved the practicality and practicality of the device.

Preferably, the movable groove is movably arranged at the outer end of the connecting rack, the limiting frame is movably arranged on the right side of the movable groove, and the movable groove can be used for limiting the outside of the protrusion at the outer end of the connecting rack through installing the movable groove, so that the stability of the structure of the device is increased.

Preferably, the body mechanism comprises a fixed pulley body, a bearing seat, an assembly frame, an adjusting frame, a connecting shaft, a fixed pulley II, a mounting frame and a clamping block, wherein the bearing seat is movably mounted at the outer end of the fixed pulley body, the assembly frame is movably mounted below the bearing seat, and the assembly frame is mounted to enable the whole device to be more convenient to connect with the outside, and the stability of the whole structure of the device is improved.

Preferably, the regulating frame movable mounting is in the outer end of holding seat, the regulating frame is symmetrical distribution, connecting axle fixed mounting is at the inner of regulating frame, through installation regulating frame, and the regulating frame that the regulating frame is symmetrical installation can form supporting connection structure at fixed pulley two and connecting axle outer end, lets fixed pulley two adjust and use more stably.

Preferably, the fixed pulley II is fixedly arranged at the outer end of the connecting shaft, the mounting rack is movably arranged at the inner end of the assembly rack, the clamping block is fixedly arranged at the lower end of the mounting rack, and the clamping block is arranged to enable the fixed pulley body and the bearing seat to be connected and mounted more conveniently and more conveniently, so that the stability of the structure of the device is improved.

Preferably, the coupling mechanism includes reinforcement piece, telescopic link, support and loose axle, reinforcement piece fixed mounting is at the outer end of connecting axle, telescopic link hinged joint is at the lower extreme of reinforcement piece, support movable mounting is at the outer end of telescopic link, loose axle movable mounting is at the outer end of support, through installation telescopic link and support, telescopic link and support can form the supporting connection structure at the lower extreme of alignment jig, let the device adjust stable while more prevent to drop.

Preferably, positioning mechanism includes L shape frame, regulating block, adjusting lever, reset spring, stopper, adjustment tank and dop, L shape frame movable mounting is the front side at the reinforcing block, L shape frame is symmetric distribution, regulating block fixed mounting is in the upper end of L shape frame, adjusting lever movable mounting is at the inner of regulating block, reset spring movable mounting is at the outer end of adjusting the lever, stopper fixed mounting is at the outer end of adjusting the lever, through installation adjusting lever and reset spring, when the device needs to dismantle, outwards pulling adjusting the lever, can let assembly jig cooperation fixed pulley body can be convenient dismantlement or maintenance to under reset spring's effect, make socket and fixed pulley body can not drop easily when using, let the device more convenient and practical in the use.

Preferably, the adjusting groove is movably arranged at the outer end of the adjusting pull rod, the clamping head is fixedly arranged at the front end of the adjusting pull rod, and the adjusting groove is arranged to limit the outer part of the adjusting pull rod, so that the assembly frame is not easy to separate from the mounting frame in the use process.

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

1. according to the fixed pulley with the adjustable angle, the connecting rack is installed, the connecting rack is used for adjusting and driving the adjusting frame, so that the adjusting frame and the second fixed pulley can be used for adjusting positions, different use requirements can be met, the distance between the second fixed pulley and the fixed pulley body of the device is adjusted, objects can be adjusted and fall in different positions, and different adjustment use requirements can be met;

2. according to the fixed pulley with the adjustable angle, the telescopic rod and the support are arranged, the telescopic rod and the support can form a supporting connection structure at the lower end of the adjusting frame, and when the adjusting mechanism drives the fixed pulley II to adjust and move, the fixed pulley II is more stable and cannot fall off easily;

3. this fixed pulley with adjustable angle through installation adjusting pull rod and reset spring, when the device needs to dismantle, will adjust the pull rod outwards pulling, can let assembly jig cooperation fixed pulley body convenient dismantlement or maintenance to under reset spring's effect, make socket and fixed pulley body can not drop easily when using, let the device more convenient practicality in the use.

Drawings

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

FIG. 2 is a schematic view of the enlarged perspective view of FIG. 1A according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a connector of the present utility model;

FIG. 4 is a schematic cross-sectional view of the mounting bracket of the present utility model;

fig. 5 is an enlarged plan view of the structure of fig. 4B according to the present utility model.

In the figure: 1. a body mechanism; 101. a pulley body; 102. a socket; 103. an assembly frame; 104. an adjusting frame; 105. a connecting shaft; 106. a fixed pulley II; 107. a mounting frame; 108. a clamping block; 2. a connecting mechanism; 201. a reinforcing block; 202. a telescopic rod; 203. a support; 204. a movable shaft; 3. an adjusting mechanism; 301. a connecting frame; 302. a micro motor; 303. a worm; 304. a worm wheel; 305. a receiving shaft; 306. the connecting rack; 307. an adjusting rod; 308. a movable groove; 309. a limiting frame; 4. a positioning mechanism; 401. an L-shaped frame; 402. an adjusting block; 403. adjusting the pull rod; 404. a return spring; 405. a limiting block; 406. an adjustment tank; 407. a chuck.

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, the present utility model provides a technical solution: the fixed pulley with adjustable angle comprises a body mechanism 1, a connecting mechanism 2, an adjusting mechanism 3 and a positioning mechanism 4, wherein the connecting mechanism 2 is positioned at the lower end of the body mechanism 1, the adjusting mechanism 3 is positioned at the outer end of the body mechanism 1, the positioning mechanism 4 is positioned at the upper end of the body mechanism 1, the adjusting mechanism 3 comprises a connecting frame 301, a micro motor 302, a worm 303, a worm wheel 304, a bearing shaft 305, a connecting rack 306, an adjusting rod 307, a movable groove 308 and a limiting frame 309, the micro motor 302 is fixedly arranged at the outer end of the connecting frame 301, the worm 303 is fixedly arranged at the transmission end of the micro motor 302, the worm wheel 304 is movably arranged at the outer end of the worm 303, the bearing shaft 305 is fixedly arranged at the inner end of the worm wheel 304, the connecting rack 306 is movably arranged at the outer end of the worm wheel 304, the adjusting rod 307 is fixedly arranged at the outer end of the connecting rack 306, the connecting rack 306 is arranged, the micro motor 302 is started in an operation mode, the worm 303 is driven to rotate by the micro motor 302, the worm 304 is driven to rotate by the worm 303, the connecting rack 306 can be enabled to adjust by rotation of the worm wheel 304 to drive the adjusting frame 104, the adjusting frame 104 and the fixed pulley II 106 can be subjected to position adjustment, so that different use requirements can be met for adjustment, the distance between the fixed pulley II 106 and the fixed pulley body 101 of the device can be adjusted, a hoisted object can be adjusted, objects can be adjusted to fall in different positions, different adjustment use requirements can be met by the device, and the convenience and practicality of use of the device are improved;

the movable groove 308 is movably arranged at the outer end of the connecting rack 306, the limiting frame 309 is movably arranged at the right side of the movable groove 308, the movable groove 308 can limit the outside of the bulge at the outer end of the connecting rack 306 through the installation of the movable groove 308, so that the connecting rack 306 is adjusted to drive the adjusting frame 104 to move more conveniently, the stability of the structure of the device is improved, the stability of the device in use is further improved, the body mechanism 1 comprises a fixed pulley body 101, a bearing seat 102, an assembling frame 103, an adjusting frame 104, a connecting shaft 105, a fixed pulley II 106, an installing frame 107 and a clamping block 108, the bearing seat 102 is movably arranged at the outer end of the fixed pulley body 101, the assembling frame 103 is movably arranged below the bearing seat 102, the whole device can be more conveniently connected with the outside through the installation of the assembling frame 103, the stability of the whole structure of the device is improved, the adjusting frame 104 is movably arranged at the outer end of the bearing seat 102, the adjusting frame 104 is symmetrically distributed, the connecting shaft 105 is fixedly arranged at the inner end of the adjusting frame 104, the adjusting frame 104 is symmetrically arranged at the inner end of the adjusting frame 104, the adjusting frame 104 is symmetrically arranged at the outer end of the fixed pulley 105, the fixed pulley 105 is connected with the fixed shaft 105 through the fixed pulley 106, the supporting structure is further improved, and the stability is further improved;

fixed pulley two 106 fixed mounting is at the outer end of connecting axle 105, and mounting bracket 107 movable mounting is at the inner of assembly jig 103, and fixture block 108 fixed mounting is at the lower extreme of mounting bracket 107, through installation fixture block 108, and the stable joint that fixture block 108 can let mounting bracket 107 at the inner of assembly jig 103, lets fixed pulley body 101 and accepting seat 102 connect the installation more convenient, has improved the stability of device structure.

The connecting mechanism 2 comprises a reinforcing block 201, a telescopic rod 202, a support 203 and a movable shaft 204, wherein the reinforcing block 201 is fixedly arranged at the outer end of the connecting shaft 105, the telescopic rod 202 is hinged at the lower end of the reinforcing block 201, the support 203 is movably arranged at the outer end of the telescopic rod 202, the movable shaft 204 is movably arranged at the outer end of the support 203, the telescopic rod 202 and the support 203 can form a supporting and connecting structure at the lower end of the adjusting frame 104 through installing the telescopic rod 202 and the support 203, when the adjusting mechanism 3 drives the fixed pulley II 106 to adjust and move, the fixed pulley II 106 is more stable and can not easily fall off, the device is more stable in adjusting and can be prevented from falling off, the positioning mechanism 4 comprises an L-shaped frame 401, an adjusting block 402, an adjusting pull rod 403, a reset spring 404, a limiting block 405, an adjusting groove 406 and a clamping head 407, the L-shaped frame 401 is movably arranged at the front side of the reinforcing block 201, the L-shaped frame 401 is symmetrically distributed, the adjusting block 402 is fixedly arranged at the upper end of the L-shaped frame 401, the adjusting pull rod 403 is movably arranged at the inner end of the adjusting block 402, the return spring 404 is movably arranged at the outer end of the adjusting pull rod 403, the limiting block 405 is fixedly arranged at the outer end of the adjusting pull rod 403, when the device needs to be disassembled, the adjusting pull rod 403 is pulled outwards, the adjusting pull rod 403 drives the clamping head 407 to be separated from the assembly frame 103, the assembly frame 103 can be matched with the fixed pulley body 101 for convenient disassembly or maintenance, under the action of the return spring 404, the bearing seat 102 and the fixed pulley body 101 can not easily fall off when in use, the device has the effect of convenient disassembly and maintenance, and has the effect of stable use, the device is more convenient and practical when in use, the adjusting groove 406 is movably arranged at the outer end of the adjusting pull rod 403, the clamping head 407 is fixedly arranged at the front end of the adjusting pull rod 403, through setting up adjustment tank 406, the outside of adjustment tank 406 adjustable pull rod 403 is spacing, lets the assembly jig 103 that adjustment pull rod 403 can be stable connect, makes assembly jig 103 can not easily separate with mounting bracket 107 in the use, has improved the stability between the device structure.

Working principle: this fixed pulley with adjustable angle, when using, when needing to adjust the device, first the operation starts micro motor 302, micro motor 302 drives worm 303 and rotates, worm 303 drives worm gear 304 and rotates, worm gear 304 rotates and can make connecting rack 306 adjust and drive alignment jig 104, can spacing in the bellied outside of connecting rack 306 outer end at the in-process of adjustment movable groove 308, thereby make connecting rack 306 adjust and drive alignment jig 104 and can more convenient the removal, at this moment alignment jig 104 and fixed pulley two 106 can carry out position adjustment, thereby can satisfy different user demands and adjust, make the distance between fixed pulley two 106 and the fixed pulley body 101 of the device adjust, thereby let the object of hoist and mount adjust, let article can adjust the whereabouts in different positions, and telescopic link 202 and support 203 can form the support connection structure at the lower extreme of alignment jig 104, when adjustment mechanism 3 drives fixed pulley two 106 and adjusts and remove, can not drop easily, when fixed pulley body 101 needs to maintain, only need outwards pull alignment jig 403, 403 pulls alignment jig 103 and fixed pulley body 101 are separated, and can be detached at the time of the fixed pulley body is easy to be used in the support base 101, and the convenient use of the device is convenient and easy to maintain.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a fixed pulley with adjustable angle, includes body mechanism (1), coupling mechanism (2), adjustment mechanism (3) and positioning mechanism (4), its characterized in that: coupling mechanism (2) are located the lower extreme of body mechanism (1), adjustment mechanism (3) are located the outer end of body mechanism (1), positioning mechanism (4) are located the upper end of body mechanism (1), adjustment mechanism (3) are including link (301), micro motor (302), worm (303), worm wheel (304), accept axle (305), connecting rack (306), regulation pole (307), movable groove (308) and spacing (309), micro motor (302) fixed mounting is at the outer end of link (301), worm (303) fixed mounting is at the driving end of micro motor (302), worm wheel (304) movable mounting is at the outer end of worm (303), accept the inner at worm wheel (304) of axle (305), connecting rack (306) movable mounting is at the outer end of worm wheel (304), adjust pole (307) fixed mounting is at the outer end of connecting rack (306).

2. An angularly adjustable crown block according to claim 1, characterized in that: the movable groove (308) is movably arranged at the outer end of the connecting rack (306), and the limiting frame (309) is movably arranged on the right side of the movable groove (308).

3. An angularly adjustable crown block according to claim 2, characterized in that: the body mechanism (1) comprises a fixed pulley body (101), a bearing seat (102), an assembly frame (103), an adjusting frame (104), a connecting shaft (105), a fixed pulley II (106), a mounting frame (107) and a clamping block (108), wherein the bearing seat (102) is movably mounted at the outer end of the fixed pulley body (101), and the assembly frame (103) is movably mounted below the bearing seat (102).

4. An angularly adjustable crown block according to claim 3, characterized in that: the adjusting frame (104) is movably arranged at the outer end of the bearing seat (102), the adjusting frames (104) are symmetrically distributed, and the connecting shaft (105) is fixedly arranged at the inner end of the adjusting frame (104).

5. An angularly adjustable crown block according to claim 4, characterized in that: the fixed pulley II (106) is fixedly arranged at the outer end of the connecting shaft (105), the mounting frame (107) is movably arranged at the inner end of the assembly frame (103), and the clamping block (108) is fixedly arranged at the lower end of the mounting frame (107).

6. An angularly adjustable crown block according to claim 5, characterized in that: coupling mechanism (2) are including strengthening piece (201), telescopic link (202), support (203) and loose axle (204), strengthening piece (201) fixed mounting is in the outer end of connecting axle (105), telescopic link (202) hinged joint is at the lower extreme of strengthening piece (201), support (203) movable mounting is in the outer end of telescopic link (202), loose axle (204) movable mounting is in the outer end of support (203).

7. An angularly adjustable crown block according to claim 6, characterized in that: the positioning mechanism (4) comprises an L-shaped frame (401), an adjusting block (402), an adjusting pull rod (403), a reset spring (404), a limiting block (405), an adjusting groove (406) and a clamping head (407), wherein the L-shaped frame (401) is movably mounted on the front side of the reinforcing block (201), the L-shaped frame (401) is symmetrically distributed, the adjusting block (402) is fixedly mounted at the upper end of the L-shaped frame (401), the adjusting pull rod (403) is movably mounted at the inner end of the adjusting block (402), the reset spring (404) is movably mounted at the outer end of the adjusting pull rod (403), and the limiting block (405) is fixedly mounted at the outer end of the adjusting pull rod (403).

8. An angularly adjustable crown block according to claim 7, characterized in that: the adjusting groove (406) is movably arranged at the outer end of the adjusting pull rod (403), and the clamping head (407) is fixedly arranged at the front end of the adjusting pull rod (403).