CN219507527U - Protective device for manual hoist - Google Patents

Abstract

The utility model relates to the technical field of manual hoists and provides a protective device for a manual hoists, which comprises a shell, wherein sliding grooves are formed in two sides of the inside of the shell at equal intervals, sliding blocks are connected in the sliding grooves in a sliding mode, one side of each sliding block extends to the outside of each sliding groove and is fixedly connected with a connecting column, one end, far away from each sliding block, of each connecting column is fixedly connected with a protective plate, and springs are arranged outside the connecting columns and between the outer wall of the shell and the protective plates. Through above-mentioned technical scheme, solved the manual hoist among the prior art and not including protective structure, when the staff uses the manual hoist transportation article, if the weight of article is heavier, then produce easily and rock, can't provide the buffering to the material, and the shell atress of manual hoist is heavier, if suffer the external object collision and damage easily to reduce the problem of manual hoist's life.

Description

Protective device for manual hoist

Technical Field

The utility model relates to the technical field of manual hoists, in particular to a protective device for a manual hoist.

Background

The hand hoist is also called a immortal hoist, a chain hoist, a jin of chain hoist, is a simple-to-use and portable hand hoisting machine, and is also called a chain hoist or a chain hoist.

Chinese patent discloses a quick elevating gear of manual hoist (grant bulletin number CN 216583960U), this patent technique includes the casing, the top of casing is fixed with first couple, the inside threaded connection of first couple has the screw rod, the one end of screw rod is equipped with turns round the dish, the other end of screw rod is equipped with the fixed disk, the both sides of casing bottom are equipped with first chain and second chain respectively, the other end of first chain is equipped with the connection box, the bottom of connection box is fixed with the second couple, the inboard of second couple articulates there is first cardboard, be fixed with first spring between first cardboard and the second couple, the through-hole has been seted up on the surface of second couple, and the cooperation is used between first cardboard and the through-hole. The utility model can rapidly lift the object, and avoid the random shaking of the object, thereby influencing the safety of operators.

However, the manual hoist in this technique does not include protective structure, when the staff uses the manual hoist transportation article, if the weight of article is heavier, then produce easily to rock, can't provide the buffering to the material, and the shell atress of manual hoist is heavier, if suffer the external object collision and damage easily to reduce the life of manual hoist. Therefore, a person skilled in the art provides a protection device for a manual hoist to solve the problems set forth in the background art.

Disclosure of Invention

The utility model provides a protective device for a manual hoist, which solves the problems that the manual hoist in the related art does not comprise a protective structure, when a worker uses the manual hoist to transport an object, if the weight of the object is heavy, the object is easy to shake, the buffering of the material cannot be provided, the shell of the manual hoist is heavy in stress, and if the manual hoist is impacted by an external object, the manual hoist is easy to damage, so that the service life of the manual hoist is shortened.

The technical scheme of the utility model is as follows: the utility model provides a protector for manual hoist, includes the shell, the spout has been seted up to the inside both sides equidistance of shell, the inside all sliding connection of spout has the slider, the outside fixedly connected with spliced pole that one side of slider extends to the spout, the one end fixedly connected with guard plate that the spliced pole kept away from the slider, the outside of spliced pole just is located between the outer wall of shell and the guard plate and is equipped with the spring;

preferably, the top of the shell is fixedly connected with a buckle plate, threaded holes are formed in the buckle plate at equal intervals, and threaded rods are connected with the internal threads of the threaded holes;

preferably, the bottom of the shell is fixedly connected with a fixed block, and both sides of the outer part of the fixed block are fixedly connected with fixed plates;

preferably, a chain is arranged at the bottom of the fixed block extending from the inside of the shell, and limiting blocks are fixedly connected to the bottoms of the two fixed plates;

preferably, the outer part of the protection plate is of an arc-shaped structure, and the protection plate is made of rubber materials;

preferably, the inner side of the limiting block is of an arc-shaped structure, an anti-abrasion layer is arranged on the inner wall of the limiting block, and the anti-abrasion layer is made of silicon carbide materials.

The working principle and the beneficial effects of the utility model are as follows: when the hand-operated block suffers from external collision, the protection plate is firstly contacted with an external object, the protection plate is inwards extruded, the connecting column drives the sliding block to slide in the sliding groove, meanwhile, the spring is extruded, the spring deforms, rebound force is formed, buffer force is provided for the protection plate, the outer wall of the hand-operated block is effectively protected, meanwhile, buffer is provided for the hand-operated block when suffering from collision, the internal structure of the hand-operated block is protected, the swing amplitude of the chain is reduced when a worker pulls the chain, and the protection performance of the hand-operated block is further improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

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

FIG. 2 is a cross-sectional view of the present utility model;

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

fig. 4 is an enlarged view of fig. 2 a in accordance with the present utility model.

In the figure: 1. a housing; 2. a chute; 3. a slide block; 4. a connecting column; 5. a protection plate; 6. a spring; 7. a threaded hole; 8. a threaded rod; 9. a fixed block; 10. a fixing plate; 11. a limiting block; 12. a chain; 13. the buckle plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

Example 1

As shown in fig. 1-4, this embodiment provides a protection device for a manual hoist, including shell 1, spout 2 has been seted up to the inside both sides equidistance of shell 1, and the inside of spout 2 is all sliding connection has slider 3, and the outside fixedly connected with spliced pole 4 of slider 3 one side extension to spout 2, the one end fixedly connected with guard plate 5 of slider 3 is kept away from to spliced pole 4, and the outside of spliced pole 4 just is located and is equipped with spring 6 between outer wall and the guard plate 5 of shell 1.

In this embodiment, when the manual hoist suffers from external collision, guard plate 5 is firstly contacted with an external object, guard plate 5 is inwards extruded, so that connecting column 4 drives sliding block 3 to slide in chute 2, spring 6 is extruded simultaneously, spring 6 is deformed to form rebound force, thereby providing buffering force for guard plate 5, effectively protecting the outer wall of the manual hoist, simultaneously providing buffering for the time of collision of the manual hoist, protecting the internal structure of the manual hoist, and reducing swing amplitude of chain 12 when staff pulls chain 12, further improving the protection performance of the manual hoist.

Example 2

As shown in fig. 1 to 4, based on the same concept as that of the above embodiment 1, this embodiment further provides a protection device for a manual hoist, the top of the housing 1 is fixedly connected with a buckle 13, threaded holes 7 are formed in the buckle 13 at equal intervals, threaded rods 8 are connected with the threaded holes 7 in an internal thread manner, a fixing block 9 is fixedly connected with the bottom of the housing 1, fixing plates 10 are fixedly connected with two sides of the outer portion of the fixing block 9, chains 12 are arranged at the bottoms of the fixing blocks 9 extending from the inner portion of the housing 1, limiting blocks 11 are fixedly connected with the bottoms of the two fixing plates 10, the outer portion of the protection plate 5 is of an arc structure, the protection plate 5 is made of rubber materials, the inner side of the limiting block 11 is of an arc structure, and an anti-wear layer is arranged on the inner wall of the limiting block 11 and made of silicon carbide materials.

In this embodiment, through going into buckle 13 card on the support, then screw up threaded rod 8, screw up threaded rod 8 and can accomplish manual hoist installation, install through threaded rod 8 and can prevent that manual hoist from producing to rock and leading to droing in the use, thereby damage, when needing to adjust manual hoist's installation height, screw into threaded hole 7 of corresponding height with threaded rod 8 and can adjust manual hoist's installation height, the stopper 11 of shell 1 bottom installation can carry out spacingly to chain 12, cause the article of transportation to shake about preventing when the swing, further promoted the stability of manual hoist when using.

Working principle: the novel hand-operated hoist is characterized in that the hand-operated hoist is installed by clamping the buckle plate 13 onto the support and screwing the threaded rod 8, the hand-operated hoist can be prevented from falling off due to shaking in the use process by screwing the threaded rod 8, so that the novel hand-operated hoist is damaged, when the hand-operated hoist is subjected to external collision, the protection plate 5 is inwards extruded, the connecting column 4 drives the sliding block 3 to slide in the sliding groove 2, meanwhile, the spring 6 is extruded to deform, rebound force is formed, buffer force is provided for the protection plate 5, the outer wall of the hand-operated hoist is effectively protected, buffering is provided for the hand-operated hoist when the hand-operated hoist is subjected to collision, the installation height of the hand-operated hoist is protected, the limit block 11 installed at the bottom of the shell 1 can limit the chain 12, and the articles transported when the hand-operated hoist swings left and right are prevented from being messy, and the stability of the hand-operated hoist is further improved when the hand-operated hoist is used.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a protector for manual hoist, includes shell (1), its characterized in that, spout (2) have been seted up to the inside both sides equidistance of shell (1), the equal sliding connection of inside of spout (2) has slider (3), one side of slider (3) extends to outside fixedly connected with spliced pole (4) of spout (2), one end fixedly connected with guard plate (5) of slider (3) are kept away from to spliced pole (4), the outside of spliced pole (4) just is equipped with spring (6) between the outer wall of shell (1) and guard plate (5).

2. The protection device for the manual hoist according to claim 1, wherein a buckle plate (13) is fixedly connected to the top of the casing (1), threaded holes (7) are formed in the buckle plate (13) at equal intervals, and threaded rods (8) are connected to the internal threads of the threaded holes (7).

3. The protection device for the manual hoist according to claim 1, wherein a fixing block (9) is fixedly connected to the bottom of the housing (1), and fixing plates (10) are fixedly connected to two sides of the outer portion of the fixing block (9).

4. The protection device for a manual hoist according to claim 3, wherein a chain (12) is arranged at the bottom of the fixing block (9) extending from the inside of the housing (1), and limiting blocks (11) are fixedly connected to the bottoms of the two fixing plates (10).

5. The protective device for the manual hoist according to claim 1, wherein the outer part of the protective plate (5) is of an arc-shaped structure, and the protective plate (5) is made of rubber materials.

6. The protective device for the manual hoist according to claim 4, wherein the inner side of the limiting block (11) is of an arc-shaped structure, an anti-abrasion layer is arranged on the inner wall of the limiting block (11), and the anti-abrasion layer is made of silicon carbide materials.