CN211559650U

CN211559650U - Liftable hook

Info

Publication number: CN211559650U
Application number: CN202020136376.6U
Authority: CN
Inventors: 殷海访; 潘炳木
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-25
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to a couple technical field, concretely relates to liftable couple, this couple includes: box, lid and couple portion, the box with the connection can be dismantled to the lid, be equipped with the drive belt in the box, from driving wheel and action wheel and box rotatable coupling, the drive belt inboard be equipped with from driving wheel and action wheel engaged with second tooth portion, the drive belt outside is equipped with first tooth portion, one side that couple portion is close to first tooth portion is equipped with the rack portion engaged with first tooth portion, couple portion's opposite side with but box sliding connection, rotatory action wheel drives the drive belt and rotates, and the first tooth portion in the drive belt outside drives couple portion and moves from top to bottom, just can drive couple portion through rotating the action wheel and reciprocate, this simple structure, the advantage of convenient not co-altitude crowd use.

Description

Liftable hook

Technical Field

The utility model relates to a couple technical field, concretely relates to liftable couple.

Background

At present, the hook installation of family is mostly fixed mounting, and is high, and inconvenient old man and children hang and get clothing or article, and the life of giving people brings inconvenience.

In the prior art, chinese patent application publication No. CN105422603A discloses a lifting hook assembly, which comprises a connecting plate, a front connecting buckle and a rear connecting buckle; a plurality of positioning holes are vertically arranged on the connecting plate, and every two adjacent positioning holes are communicated through a connecting groove; the front end part of the front connecting buckle is provided with a hook, and the rear end part of the front connecting buckle is in threaded connection with the front end part of the rear connecting buckle and is arranged in the positioning hole; the diameter of the positioning hole is larger than the width of the connecting groove, and the outer diameters of the front end part of the front connecting buckle and the rear end part of the rear connecting buckle are larger than the diameter of the positioning hole; the external diameter of the rear end of the front connecting buckle is smaller than the width of the connecting groove, and the length of the rear end of the front connecting buckle is larger than the thickness of the connecting groove. This structure threaded connection adjustment couple height, need not earlier not hard up preceding connector link and back connector link during the use, screw up preceding connector link and back connector link behind the suitable position again, this couple operation is got up relatively loaded down with trivial details, very inconvenient.

Therefore, there is a need to develop a lifting hook device which is convenient to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liftable couple, this couple device can save time, laborsaving, and old and young all easily operate.

In order to solve the technical problem, the utility model discloses a liftable hook, include: the box body is detachably connected with the cover body, a transmission belt, a driven wheel and a driving wheel are arranged in the box body, the driven wheel and the driving wheel are rotatably connected with the box body, a second tooth portion meshed with the driving wheel and the driven wheel is arranged on the inner side of the transmission belt, a first tooth portion is arranged on the outer side of the transmission belt, a rack portion meshed with the first tooth portion is arranged on one side, close to the first tooth portion, of the hook portion, and the other side of the hook portion is slidably connected with the box body.

Preferably, the bottom of the box body is provided with a first transmission shaft and a second transmission shaft, the first transmission shaft is rotatably connected with the box body, the second transmission shaft is rotatably connected with the box body, the driven wheel is fixedly connected with the first transmission shaft, and the driving wheel is fixedly connected with the second transmission shaft.

Preferably, the box body is provided with a groove, and the hook part is provided with a sliding block matched with the groove.

Preferably, the hook device further comprises a positioning component, and the positioning component is meshed with the first tooth part through a first inner hole formed in the box body.

Preferably, the positioning assembly includes a positioning pin and a return spring, the positioning pin is slidably connected to the case, a front end of the positioning pin is engaged with the first tooth portion, a first end of the return spring abuts against the positioning pin, and a second end of the return spring abuts against the case, so as to provide an elastic force for extending the positioning pin to the first tooth portion side.

Preferably, the locating component further comprises a connecting shaft and a handle, one end of the connecting shaft is fixedly connected with the locating pin, the other end of the connecting shaft is detachably connected with the handle, the reset spring is sleeved on the connecting shaft, and the second end of the reset spring is abutted to the bottom of the first inner hole.

Preferably, the cover body is provided with a sliding groove, and the sliding groove is in sliding fit with a hook arranged on the upper end face of the hook part.

Preferably, the second transmission shaft is provided with a first through hole a, and the first through hole a is detachably connected with the rocking handle.

The utility model has the advantages that: follow driving wheel and action wheel and box rotatable coupling, the drive belt inboard be equipped with from driving wheel and action wheel engaged with second tooth portion, the drive belt outside is equipped with first tooth portion, one side that the couple portion is close to first tooth portion is equipped with the rack portion of first tooth portion engaged with, couple portion's opposite side with box slidable connection, rotatory action wheel drives the drive belt and rotates, and the first tooth portion in the drive belt outside drives couple portion and moves from top to bottom, just can drive couple portion through rotating the action wheel and reciprocate, this simple structure, convenient to use's advantage.

Drawings

FIG. 1 is an axonometric view of a liftable hook of the utility model;

fig. 2 is a schematic view of the internal structure of a liftable hook of the present invention;

FIG. 3 is an enlarged view of the internal structure of the liftable hook and the positioning component of the present invention;

FIG. 4 is an axonometric view of a hook part in a liftable hook of the utility model;

FIG. 5 is an axonometric view of a box body in the liftable hook of the utility model;

FIG. 6 is an isometric view of a transmission belt in a liftable hook of the present invention;

FIG. 7 is an isometric view of a cover body in a liftable hook of the present invention;

FIG. 8 is an isometric view of a rocking handle in a liftable hook of the present invention;

description of the reference numerals

1-box body, 101-groove, 102-first inner hole, 103-third through hole, 104-fourth through hole, 2-cover body, 201-sliding groove, 202-second through hole, 3-hook part, 301-rack part, 302-hook, 303-sliding block, 4-transmission belt, 401-first tooth part, 402-second tooth part, 5-first transmission shaft, 6-driven wheel, 7-second transmission shaft, 8-driving wheel, 9-rocking handle, 901-insertion shaft, 10-positioning component, 10 a-positioning pin, 10 b-reset spring, 10 c-connecting shaft and 10 d-handle.

Detailed Description

The invention will be explained and explained in detail with reference to the drawings attached to the specification.

Referring to fig. 1 and 2, a liftable hook includes: box 1, lid 2, and couple portion 3, box 1 can be dismantled with lid 2 and be connected, be equipped with drive belt 4 in the box 1, from driving wheel 6 and action wheel 8 and box 1 rotatable coupling, 4 inboards in the drive belt are equipped with and follow driving wheel 6 and action wheel 8 engaged with second tooth portion 402, the 4 outsides in drive belt are equipped with first tooth portion 401, one side that couple portion 3 is close to first tooth portion 401 is equipped with the rack portion 301 with first tooth portion 401 engaged with, couple portion 3's opposite side and box 1 slidable connection, rotatory action wheel 8, drive belt 4 and rotate, first tooth portion 401 in the 4 outsides in drive belt drives couple portion 3 and moves from top to bottom, just can drive couple portion 3 and move from top to bottom through rotating action wheel 8, the steam generator is simple in structure, high durability.

In some embodiments, referring to fig. 3, a third through hole 103 and a fourth through hole 104 are formed in the bottom of the case 1, a bearing is embedded in the third through hole 103, a first transmission shaft 5 is installed in the bearing, the first transmission shaft 5 is rotatably connected with the case 1, a bearing is embedded in the fourth through hole 104, a second transmission shaft 7 is installed in the bearing, the first transmission shaft 5 is rotatably connected with the case 1, the second transmission shaft 7 is rotatably connected with the case 1, the driven wheel 6 is fixedly connected with the first transmission shaft 5 through a rectangular key, and the driving wheel 8 is fixedly connected with the second transmission shaft 7 through a rectangular key.

In some embodiments, referring to fig. 5, the case 1 is provided with a groove 101, and the width of the groove 101 is larger than the width of the hook 3 provided with the slider 303 matched with the groove 101, so that the slider 303 slides in the groove 101.

In some embodiments, referring to fig. 3, the lifting hook further includes a positioning assembly 10, the positioning assembly 10 passes through a first inner hole 102 formed in the box 1 to engage with the first tooth portion 401, and the positioning assembly 10 engages with the first tooth portion 401 to position the driving belt 4.

In some embodiments, referring to fig. 3, the positioning assembly 10 includes a positioning pin 10a and a return spring 10b, the positioning pin 10a is slidably connected to the housing 1, a front end of the positioning pin 10a is engaged with the first tooth portion 401 outside the belt 4, and a first end of the return spring 10b abuts against the positioning pin 10a and a second end abuts against the housing 1, so as to provide an elastic force for extending the positioning pin 10a to the first tooth portion 401 side.

In some embodiments, referring to fig. 3, the positioning assembly 10 further includes a connecting shaft 10c and a handle 10d, one end of the connecting shaft 10c is fixedly connected to the positioning pin 10a, the other end is in threaded connection with the handle 10d, the connecting shaft 10c has an outer diameter smaller than that of the positioning pin 10a, and the positioning pin 10a is in shaft hole sliding fit with the first inner hole 102. The outer diameter of the connecting shaft 10c is smaller than the inner diameter of the return spring 10b, the return spring 10b is sleeved on the connecting shaft 10c, the outer diameter of the positioning pin 10a is larger than the outer diameter of the return spring 10b, one end of the return spring 10b can abut against the positioning pin 10a, and the other end of the return spring abuts against the bottom of the first inner hole 102. Specifically, the return spring 10b can be a cylindrical compression equal-pitch spring, when the hook 302 needs to be lifted up/down, the handle 10d is pulled to enable the positioning pin 10a to compress the first end of the return spring 10b, the second end of the return spring 10b abuts against the bottom of the first inner hole 102, the positioning pin 10a is far away from the first tooth portion 401 on the outer side of the transmission belt 4, the driving wheel 8 is rotated to drive the transmission belt 4 to rotate, the transmission belt 4 drives the hook portion 3 to lift up/down, the handle 10d is loosened after the hook portion 3 is lifted up/down to a proper position, the return spring 10b recovers elastic force towards the first tooth portion 401 side and is clamped with the first tooth portion 401.

In some embodiments, referring to fig. 6, the cover 2 is provided with a sliding slot 201, the sliding slot 201 is slidably engaged with the upper end surface of the hook portion 3, and the width of the sliding slot 201 is larger than the diameter of the hook 302 of the hook portion 3, so that the hook 302 can slide in the sliding slot 201.

In some embodiments, referring to fig. 7 and 8, the second transmission shaft 7 is provided with a first through hole 7a, the first through hole 7a is detachably connected with the rocking handle 9, preferably, the first through hole 7a is a hexagonal hole, the rocking handle 9 is provided with an insertion shaft 901 matching with the first through hole 7a, the depth shape of the insertion shaft 901 is the same as the shape and size of the first through hole 7a, the structure is simple and reliable, the insertion shaft 901 of the rocking handle 9 passes through the second through hole 202 formed in the cover body 2 and is inserted into the first through hole 7a, and the second transmission shaft 7 is driven to rotate by rotating the rocking handle 9.

The utility model relates to a working principle of couple of embodiment as follows:

when the hook is used, the driven wheel 6 and the driving wheel 8 are rotatably connected with the box body 1, the inner side of the transmission belt 4 is provided with a second tooth part 402 meshed with the driven wheel 6 and the driving wheel 8, the outer side of the transmission belt 4 is provided with a first tooth part 401, one side, close to the first tooth part 401, of the hook part 3 is provided with a rack part 301 meshed with the first tooth part 401, the other side of the hook part 3 is connected with the box body 1 in a sliding manner, the driving wheel 8 rotates to drive the transmission belt 4 to rotate, the first tooth part 401 on the outer side of the transmission belt 4 drives the hook part 3 to move up and down, and the hook part 3 can be driven to move up and down by rotating the driving wheel 8.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liftable hook is characterized by comprising: box (1), lid (2) and couple portion (3), box (1) with lid (2) can dismantle the connection, be equipped with drive belt (4) in box (1), follow driving wheel (6) and action wheel (8) with box (1) rotatable coupling, drive belt (4) inboard be equipped with follow driving wheel (6) with action wheel (8) engaged with second tooth portion (402), the drive belt (4) outside is equipped with first tooth portion (401), one side that couple portion (3) are close to first tooth portion (401) be equipped with rack portion (301) that first tooth portion (401) engaged with, the opposite side of couple portion (3) with but box (1) sliding connection.

2. Liftable hook according to claim 1, characterized in that a first transmission shaft (5) and a second transmission shaft (7) are arranged at the bottom of the box body (1), the first transmission shaft (5) is rotatably connected with the box body (1), the second transmission shaft (7) is rotatably connected with the box body (1), the driven wheel (6) is fixedly connected with the first transmission shaft (5), and the driving wheel (8) is fixedly connected with the second transmission shaft (7).

3. Liftable hook according to claim 1, characterized in that the box (1) is provided with a groove (101) and the hook part (3) is provided with a slider (303) cooperating with the groove (101).

4. Liftable hook according to claim 1, characterized in that the hook device further comprises a positioning component (10), and the positioning component (10) is engaged with the first tooth portion (401) through a first inner hole (102) formed in the box body (1).

5. Liftable hook according to claim 4, wherein the positioning assembly (10) comprises a positioning pin (10a) and a return spring (10b), the positioning pin (10a) is slidably connected with the box body (1), the front end of the positioning pin (10a) is engaged with the first tooth portion (401), the first end of the return spring (10b) abuts against the positioning pin (10a), and the second end of the return spring abuts against the box body (1) to provide an elastic force for extending the positioning pin (10a) to the first tooth portion (401).

6. The liftable hook according to claim 5, wherein the positioning assembly (10) further comprises a connecting shaft (10c) and a handle (10d), one end of the connecting shaft (10c) is fixedly connected with the positioning pin (10a), the other end of the connecting shaft is detachably connected with the handle (10d), the return spring (10b) is sleeved on the connecting shaft (10c), and the second end of the return spring (10b) abuts against the bottom of the first inner hole (102).

7. A liftable hook according to claim 1, wherein a sliding groove (201) is formed in the cover (2), and the sliding groove (201) is slidably engaged with a hook (302) provided on the upper end surface of the hook portion (3).

8. Lifting hook according to claim 2, characterized in that the second transmission shaft (7) is provided with a first through hole (7a), and the first through hole (7a) is detachably connected with the rocking handle (9).