CN219605953U - Novel no grade chain go-between - Google Patents

Abstract

The utility model discloses a novel non-gear chain connecting ring, which comprises a connecting ring body, an embedded connecting block and a pin shaft, wherein one side of the connecting ring body is opened, the opening end of the connecting ring body is plugged through the embedded connecting block, the connecting ring body is fixedly connected with the embedded connecting block through the pin shaft, the inner ring of the connecting ring body is an arc-shaped surface and surrounds the embedded connecting block to form a chain ring movable area, the cross section of the chain ring movable area is O-shaped and consists of a rectangular sliding area and an upper semicircular rotating area and a lower semicircular rotating area, the width of the rectangular sliding area is the same as the diameter of the semicircular rotating area and is slightly smaller than the diameter of the chain ring, and the front end surface and the rear end surface of the pin shaft are subjected to lead sealing treatment. The chain connecting ring adopts a closed O-shaped inner cavity, and the inner periphery and the outer periphery of the chain connecting ring both adopt arc-shaped curved surfaces, so that the knotting probability of the chain can be greatly reduced, the chain ring is not easy to fall off from the connecting ring, and the occurrence of the accident of losing the anchor chain is avoided.

Description

Novel no grade chain go-between

Technical Field

The utility model relates to the technical field of ships, in particular to a novel non-gear chain connecting ring.

Background

The shackle is also called as a nail stripper, a clasp, etc., and is the most widely used connecting tool in hoisting operation, often used for fixing a hoisting pulley, a pulley block, a hanging ring and a wire rope, and various devices and components are used as connecting points when being bundled, and sometimes used for connecting the wire rope and the wire rope, etc. The shackle is generally forged, and is not allowed to be manufactured by a casting method, and the forged shackle is made of steel. After forging, the steel is subjected to heat treatment to eliminate internal stress of the shackle in the forging process and increase toughness of the shackle.

The current market generally adopts the shackle connection chain link of U-shaped structure, and the shackle of this kind of structure is in the use, and firstly the chain is tied off easily, and its cotter round pin drops afterwards, and the round pin axle drops thereupon to lead to the chain to drop from U type breach, take place the anchor chain and lose the accident, can not satisfy the user demand in current market.

Disclosure of Invention

Aiming at the technical problems, the utility model provides a novel non-gear chain connecting ring, wherein the chain connecting ring adopts a closed O-shaped inner cavity, the inner periphery and the outer periphery of the chain connecting ring are both arc-shaped curved surfaces, the knotting probability of a chain can be greatly reduced, the chain ring is not easy to fall off from the connecting ring, and the occurrence of an anchor chain loss accident is avoided.

The utility model provides a novel no grade chain go-between, includes the go-between body, inlays connecting block, round pin axle, go-between body one side opening, the open end of go-between body is through inlaying the connecting block shutoff, the go-between body passes through round pin axle fixed connection with inlaying the connecting block, the inner circle of go-between body is the arcwall face and encloses into the chain link movable region with the connecting block that inlays, the transversal O type of personally submitting of chain link movable region comprises rectangle sliding region and upper and lower two semicircular rotating region, the width of rectangle sliding region and the diameter of semicircular rotating region are the same and slightly less than the diameter of chain link, the terminal surface is sealed plumbous processing around the round pin axle.

As the optimization of the technical scheme, the pin shaft adopts the taper pin, and the connecting ring body and the embedded connecting block are provided with the taper positioning holes matched with the taper pin.

As the optimization of the technical scheme, the open end of the connecting ring body is symmetrically provided with the positioning clamping grooves, the embedded connecting blocks are symmetrically provided with positioning blocks matched with the positioning clamping grooves, and the embedded connecting blocks and the positioning clamping grooves form a symmetrical structure after being positioned through the pin shafts.

As the optimization of the technical scheme, the arc-shaped surface section of the connecting ring body, which is positioned in the rectangular sliding area and the semicircular rotating area, is provided with an inward-contracted arc-shaped transition part.

Preferably, the width of the open end of the connecting ring body is slightly larger than the diameter of the chain ring.

The utility model has the beneficial effects that:

the chain connecting ring adopts the closed O-shaped inner cavity, the inner periphery and the outer periphery of the chain connecting ring both adopt arc curved surfaces, the knotting probability of the chain ring can be greatly reduced, the shape of the movable area of the chain ring and the size of the part associated with the chain ring can be optimized, the chain ring can be ensured not to be separated from the connecting ring body unless the chain ring is in an extreme state (the chain ring is just at the open end of the connecting ring body and is vertical to the rectangular sliding area of the movable area of the chain ring) even if the embedded connecting block falls off, the occurrence of the anchor chain loss accident can be effectively avoided, and the safety and the reliability are high.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the connecting ring body.

Fig. 3 shows a schematic structure of the embedded connection block.

The reference numerals are as follows: the connecting ring comprises a 1-connecting ring body, a 2-embedded connecting block, a 3-pin shaft, a 4-link movable area, a 401-rectangular sliding area, a 402-semicircular rotating area, a 5-conical positioning hole, a 6-positioning clamping groove, a 7-positioning block and an 8-arc transition part.

Detailed Description

The technical scheme of the utility model is clearly and completely described below with reference to the accompanying drawings. 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 fall within the scope of the utility model.

The utility model provides a novel no grade chain go-between as shown in fig. 1 through 3, includes go-between body 1, inlay connecting block 2, round pin axle 3, go-between body 1 one side opening, the open end of go-between body 1 is through inlaying connecting block 2 shutoff, go-between body 1 and inlay connecting block 2 through round pin axle 3 fixed connection, the inner circle of go-between body 1 is the arcwall face and encloses into chain link movable region 4 with inlay connecting block 2, the transversal O type that personally submits of chain link movable region 4 comprises rectangle sliding region 401 and upper and lower two semicircular rotating region 402, the width of rectangle sliding region 401 and the diameter of semicircular rotating region 402 are the same and slightly less than the diameter of chain link, the terminal surface carries out the seal lead treatment around round pin axle 3.

In this embodiment, the pin shaft 3 adopts a taper pin, and the connection ring body 1 and the embedded connection block 2 are provided with taper positioning holes 5 used in cooperation with the taper pin.

In this embodiment, the open end of the connecting ring body 1 is symmetrically provided with positioning slots 6, the embedded connecting block 2 is symmetrically provided with positioning blocks 7 matched with the positioning slots 6, and the embedded connecting block 2 and the positioning slots 6 form a symmetrical structure with the connecting ring body 1 after being positioned by the pin shaft 3.

In this embodiment, the arcuate surface sections of the connecting ring body 1 located in the rectangular sliding region 401 and the semicircular rotating region 402 are provided with an arcuate transition portion 8 that contracts inward.

In this embodiment, the width of the open end of the attachment ring body 1 is slightly larger than the diameter of the chain ring.

The inner cavity of the novel connecting ring is designed to be O-shaped closed, the two sides of the connecting ring body 1 are wide and smooth curved surfaces, and the chain ring can only stand and can enter and exit the chain ring movable area 4 at an angle of 90 degrees relative to the connecting ring body 1; both ends are arc, have guaranteed like this that in the use, because its inner chamber is O type closed loop construction, inside and outside Zhou Juncheng round arc curved surface, the chain ring is unlikely to twine into the knot, plays the effect that the protection chain is not knotted and is kept free state. Furthermore, even if the insert connection block 2 accidentally drops, the connected links can still function to protect the chain from falling unless just at the open end of the connection ring body 1 and perpendicular to the rectangular sliding region 401 of the link movable region 4. The special bidirectional stress shackle for the shackle is used by matching with the chain ring through the bending parts at the two ends of the shackle body, can realize bidirectional stress, is convenient to detach and has good fastening effect.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a novel no grade chain go-between which characterized in that: including go-between body, inlay connecting block, round pin axle, go-between body one side opening, the open end of go-between body is plugged through inlaying the connecting block, go-between body passes through round pin axle fixed connection with inlaying the connecting block, the inner circle of go-between body is the arcwall face and encloses into the chain link movable region with inlaying the connecting block, the transversal O type that personally submits of chain link movable region comprises rectangle sliding region and upper and lower two semicircular rotating zone, the width of rectangle sliding region is the same with the diameter of semicircular rotating zone and slightly is greater than the diameter of chain link, the terminal surface is sealed plumbous processing around the round pin axle.

2. The novel endless chain connecting ring as set forth in claim 1, wherein: the pin shaft adopts a taper pin, and the connecting ring body and the embedded connecting block are provided with taper positioning holes matched with the taper pin.

3. The novel endless chain connecting ring as set forth in claim 1, wherein: the open end symmetry of go-between body is equipped with the location draw-in groove, inlay the locating piece that the symmetry was equipped with and is used with the cooperation of location draw-in groove on the connecting block, inlay the connecting block and pass through behind the round pin axle location with the location draw-in groove with the go-between body and form symmetrical structure.

4. The novel endless chain connecting ring as set forth in claim 1, wherein: the arc-shaped surface section of the connecting ring body, which is positioned in the rectangular sliding area and the semicircular rotating area, is provided with an inward-contracted arc-shaped transition part.

5. The novel endless chain connecting ring as set forth in claim 1, wherein: the width of the open end of the connecting ring body is slightly larger than the diameter of the chain ring.