Chain guide structure of chain hoist

Abstract

The utility model relates to the technical field of hoists, in particular to a chain guide structure of a chain hoist, which comprises a chain guide plate, a right wall plate and an outer wall plate are sequentially arranged on one side of the chain guide plate, a left wall plate and a ratchet wheel housing are sequentially arranged on the other side of the chain guide plate, and a through hoisting chain wheel hole is formed in the middle of the chain guide plate. A left chain guide groove and a right chain guide groove are formed in the two sides, close to the right wall plate, of the lifting chain wheel hole respectively, a baffle position groove is formed in the lower portion, close to the right wall plate, of the lifting chain wheel hole, a lifting chain wheel is arranged on the inner side of the lifting chain wheel hole, and the outer side of the lifting chain wheel is sleeved with a lifting chain. The guide chain plate is of a novel guide chain structure, is different from single guide structures such as a lifting chain wheel and a guide chain plate in the prior art, has the advantages of being good in material sealing performance and excellent in guiding performance, and has the advantages of being high in strength, light in weight, dustproof, safe, smooth and reliable in guiding, good in sealing performance, safe, dustproof and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of hoists, in particular to a manual hoist chain guide structure. Background Art

[0002] Hand chain hoist is also called fairy gourd, chain hoist, fall chain, never fall, manual hoist. It is a manual lifting machinery that is simple to use and easy to carry. It is also called "chain hoist" or "fall chain". The guiding structure of the hoist in the existing technology is generally composed of multiple parts, with low strength, poor guidance, and low sealing, and dust can easily enter the interior. For this reason, we propose a manual hoist chain guide structure. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a manual hoist chain guide structure. The chain guide plate is a new chain guide structure, which is different from the previous single guide structures such as the lifting sprocket and the chain guide plate. The material is well sealed and has excellent guidance. It has the advantages of high strength, light weight, dustproof and safety. It has smooth and reliable guiding, and due to its good sealing, it has the advantages of safety and dustproof.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: a manual hoist chain guide structure, including a chain guide plate, a right wall panel and an outer wall panel are sequentially provided on one side of the chain guide plate, a left wall panel and a ratchet cover shell are sequentially provided on the other side of the chain guide plate, a penetrating lifting sprocket hole is opened at the middle position of the chain guide plate, a left chain guide groove and a right chain guide groove are respectively opened on both sides of the lifting sprocket hole close to the right wall panel position, a baffle position groove is opened below the lifting sprocket hole close to the right wall panel position, a lifting sprocket is provided on the inner side of the lifting sprocket hole, a lifting chain is sleeved on the outer side of the lifting sprocket, and both sides of the lifting chain pass through the left chain guide groove and the right chain guide groove to extend to the outer side of the bottom of the chain guide plate respectively, a baffle is installed on the inner side of the baffle position groove, a support rod is provided on the bottom of one side surface of the chain guide plate, and holes matching with the support rod are opened on the outer surfaces of the left wall panel and the ratchet cover.

[0005] As a preferred technical solution of the utility model, the chain guide plate is connected to the right wall panel and the outer wall panel through a first locking bolt, and the chain guide plate is connected to the left wall panel and the ratchet cover through a second locking bolt. A penetrating screw hole is provided on the inner side of the hole, and a third locking bolt is provided on the inner side of the screw hole to be threadedly connected to the support rod.

[0006] As a preferred technical solution of the utility model, a ratchet handle is provided at one end of the outer side of the ratchet cover.

[0007] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0008] The chain guide plate is a new type of chain guide structure, which is different from the previous single guide structures such as the lifting sprocket and chain guide plate. The material is well sealed and has excellent guidance. It has the advantages of high strength, light weight, dustproof and safety. It has the advantages of smooth and reliable guiding, and due to its good sealing, it has the advantages of safety and dustproof. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0010] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0011] Figure 3 It is a schematic diagram of the structure of the utility model;

[0012] Figure 4 It is a schematic diagram of the working structure of the chain guide plate of the utility model.

[0013] Among them: 1. External wall panel; 2. Right wall panel; 3. Chain guide plate; 4. Left wall panel; 5. Ratchet cover; 6. Baffle plate; 7. Lifting chain; 8. Lifting sprocket; 9. Left chain guide groove; 10. Right chain guide groove; 11. Baffle plate position groove; 12. Lifting sprocket hole; 13. Support rod. DETAILED DESCRIPTION

[0014] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0015] Embodiment:

[0016] like Figure 1-Figure 4As shown, a manual hoist chain guide structure includes a chain guide plate 3, one side of the chain guide plate 3 is provided with a right wall plate 2 and an outer wall plate 1 in sequence, the other side of the chain guide plate 3 is provided with a left wall plate 4 and a ratchet cover 5 in sequence, a ratchet handle is provided at one end of the outer side of the ratchet cover 5, a lifting sprocket hole 12 is provided at the middle position of the chain guide plate 3, a left chain guide groove 9 and a right chain guide groove 10 are provided on both sides of the lifting sprocket hole 12 near the right wall plate 2, a baffle position groove 11 is provided below the lifting sprocket hole 12 near the right wall plate 2, a lifting sprocket 8 is provided inside the lifting sprocket hole 12, and a lifting sprocket 8 is sleeved on the outer side There is a lifting chain 7, and the two sides of the lifting chain 7 respectively pass through the left chain guide groove 9 and the right chain guide groove 10 to extend to the outside of the bottom of the chain guide plate 3, a baffle 6 is installed on the inner side of the baffle position groove 11, a support rod 13 is provided on the bottom of one side surface of the chain guide plate 3, and holes that cooperate with the support rod 13 are provided on the outer surfaces of the left wall panel 4 and the ratchet cover 5; the chain guide plate 3 is connected to the right wall panel 2 and the outer wall panel 1 through a first locking bolt, and the chain guide plate 3 is connected to the left wall panel 4 and the ratchet cover 5 through a second locking bolt, a through screw hole is provided on the inner side of the hole, and a third locking bolt is provided on the inner side of the screw hole and is threadedly connected to the support rod 13.

[0017] The utility model is a new type of chain guide structure for a chain hoist. The chain guide groove, support rod 13 and other parts are combined into a whole by aluminum die-casting. The lifting chain 7 rotates in the chain guide groove. The chain guide plate 3 is the main part of the utility model. The support rod 13 and the chain guide plate 3 are molded into an integral part. They are fixed on the lifting sprocket 8 through the middle lifting sprocket hole 12. The lifting chain 7 passes through the chain guide plate 3 and is wound around the lifting sprocket 8. The baffle 6 is fixed on the chain guide plate 3 to prevent the lifting chain 7 from moving. The ratchet cover 5 passes through the chain guide plate 3 and is assembled with the right wall plate 2 and the outer wall plate 1 by hexagon socket screws to form a complete machine. The chain guide plate 3 is a new type of chain guide structure, which is different from the previous single guide structure such as the lifting sprocket 8 and the chain guide plate 3. The material is well sealed and the guide is excellent. It has the advantages of high strength, light weight, dustproof and safety. It has the advantages of smooth and reliable guidance, and good sealing, safety and dustproof.

[0018] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A manual hoist chain guide structure, comprising a chain guide plate (3), characterized in that: A right wall panel (2) and an outer wall panel (1) are sequentially arranged on one side of the chain guide plate (3), and a left wall panel (4) and a ratchet cover (5) are sequentially arranged on the other side of the chain guide plate (3). A through lifting sprocket hole (12) is provided at the middle of the chain guide plate (3), and a left chain guide groove (9) and a right chain guide groove (10) are respectively provided on both sides of the lifting sprocket hole (12) near the right wall panel (2). A baffle position groove (11) is provided below the lifting sprocket hole (12) near the right wall panel (2). A lifting sprocket (8) is provided on the inner side of the heavy sprocket hole (12), a lifting chain (7) is sleeved on the outer side of the lifting sprocket (8), and the two sides of the lifting chain (7) respectively pass through the left chain guide groove (9) and the right chain guide groove (10) to extend to the outer side of the bottom of the chain guide plate (3), a baffle (6) is installed on the inner side of the baffle position groove (11), a support rod (13) is provided on the bottom of one side surface of the chain guide plate (3), and holes that cooperate with the support rod (13) are opened on the outer surfaces of the left wall panel (4) and the ratchet cover (5).

2. A manual hoist chain guide structure according to claim 1, characterized in that: The chain guide plate (3) is connected to the right wall plate (2) and the outer wall plate (1) via a first locking bolt, and the chain guide plate (3) is connected to the left wall plate (4) and the ratchet cover (5) via a second locking bolt. A through screw hole is provided on the inner side of the hole, and a third locking bolt is provided on the inner side of the screw hole and is threadedly connected to the support rod (13).

3. A manual hoist chain guide structure according to claim 1, characterized in that: A ratchet handle is provided at one end of the outer side of the ratchet cover (5).

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