CN219366701U

CN219366701U - Chain connecting ring

Info

Publication number: CN219366701U
Application number: CN202320244595.XU
Authority: CN
Inventors: 崔成许; 高修明
Original assignee: Qingdao Hengzhiyuan Machinery Co ltd
Current assignee: Qingdao Hengzhiyuan Machinery Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-18
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a chain connecting ring which comprises a connecting ring body, wherein two groups of connecting ring inlet end walls are arranged on the connecting ring body, through holes are formed in the connecting ring inlet end walls, rotary blocks are movably arranged in the through holes, empty grooves are formed in the rotary blocks, telescopic blocks are movably arranged in the empty grooves, and locking devices are arranged on the upper parts of the rotary blocks. According to the utility model, the chains can smoothly enter the connecting ring body through the front circular arc surfaces of the two groups of telescopic blocks, then the telescopic blocks are reset under the telescopic action of the first springs, when the telescopic blocks are required to be disassembled, the locking pins are manually lifted, then the handles are manually screwed, so that the telescopic blocks rotate in the rotating blocks, the circular arc surfaces of the telescopic blocks are aligned to the lower parts, the chains can be directly taken out through the installation flow, the pins are not required to be disassembled again during the installation and the disassembly, and the disassembly and the installation are convenient, and the operation is simple and convenient.

Description

Chain connecting ring

Technical Field

The utility model relates to the technical field of chain connection, in particular to a chain connecting ring.

Background

The functions of the chain are numerous, a connecting ring is needed when the chain is connected and used, the types of the chain connecting ring are numerous, and the chain connecting ring is divided into a straight annular D shape and a horseshoe shape according to the shape of a bent ring of the chain connecting ring; is divided into a pin and a bent ring according to the connection mode screw type and loose pin type.

When the horseshoe-shaped chain connecting ring in the prior art is used, a chain needs to pass through between the inlet end walls of the two groups of connecting rings, then enters the inside of the connecting ring body, then locks the opening of the inlet end wall of the connecting ring through a pin or a bolt, so that the chain is prevented from falling off, the method of using the pin or the bolt is inconvenient, and the operation is not convenient enough.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a chain connecting ring.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a chain go-between, includes the go-between ring body, set up two sets of go-between entry end walls on the go-between ring body, the inside of go-between entry end wall sets up the through-hole to movable safety changes rotatory piece in the through-hole, the inside open of rotatory piece has the empty slot, movable mounting expansion block in the empty slot, the upper portion of rotatory piece is provided with locking device.

Further, the tail end of the telescopic block is fixedly provided with a first spring, and the other end of the first spring is fixedly arranged on the inner wall of one side of the rotating block.

Further, a guide rail groove is formed in the bottom of the telescopic block, and the outer portion of the front end of the telescopic block is arc-shaped.

Further, a guide rail is arranged on the lower wall of the inner side of the rotating block, and the guide rail is installed in a matched mode with the guide rail groove.

Further, slotted holes are formed in the symmetrical positions of the upper end and the lower end of the rotating block.

Further, the tightening device comprises a pin, the upper half part of the pin is movably arranged in a through hole on the end wall of the inlet of the connecting ring, and the lower half part of the pin is movably arranged in a slotted hole arranged on the rotating block.

Further, a fixed block is fixedly arranged at the uppermost end of the pin, a second spring is fixedly arranged at the lower end of the fixed block, and the second spring is nested outside the pin.

Further, a rotary handle is fixedly installed on one side of the rotary block.

The beneficial effects of the utility model are as follows: through the front end arc surface of two sets of flexible pieces, can make the chain get into smoothly and connect the ring body inside, then flexible piece resets under the flexible effect of first spring, when dismantling when needs, manual locking pin is lifted out, then the rotatory handle is twisted to the hand for flexible piece is rotatory in rotatory piece, makes the arc surface of flexible piece face lower part, can directly take out the chain through above-mentioned installation flow, all need not dismantle the installation pin again when the installation is dismantled, convenient to detach installs and easy operation is convenient.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a cross-sectional view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of the present utility model;

fig. 3 is a profile view of a prior art connecting ring.

In the figure, the connecting ring body is 1, the connecting ring inlet end wall is 2, the rotating block is 3, the empty groove is 4, the first spring is 5, the telescopic block is 6, the guide rail is 7, the guide rail groove is 8, the rotating handle is 9, the pin is 10, the second spring is 11, the fixed block is 12, and the slot is 13.

Detailed Description

In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.

As shown in fig. 1 and 2, the utility model comprises a connecting ring body 1, the upper ends of the connecting ring body 1 are two groups of connecting ring inlet end walls 2, a group of through holes are respectively arranged in the two groups of connecting ring inlet end walls 2, and a rotating block 3 is movably rotated in the through holes, so that the rotating block 3 can rotate 360 degrees in the connecting ring inlet end walls 2, a hollow groove 4 is formed in the rotating block 3, a guide rail 7 is fixedly arranged on the lower wall of the inner side of the rotating block 3, the guide rail 7 is matched with the guide rail groove 8, the guide rail groove 8 is arranged at the lower part of the telescopic block 6, the telescopic block 6 is movably arranged in the hollow groove 4 through the matched installation of the guide rail 7 and the guide rail groove 8, the upper parts of the front ends of the telescopic blocks 6 are in a circular arc structure, the left end and the right end of the telescopic block 6 are completely contacted, the chain is convenient to enter, and a first spring 5 is fixedly arranged between the telescopic block 6 and the left side or the right side inner wall of the rotating block 3, the elastic spring 5 plays a role in the telescopic block 6, and the chain can be prevented from falling out after the chain enters the chain quickly and reset.

As shown in fig. 1 and fig. 2, slots 13 are symmetrically arranged at the upper and lower ends of the rotating block 3, through holes are arranged at positions corresponding to the slots 13 at the upper end of the connecting ring inlet end wall 2, pins 10 are movably mounted between the slots 13 and the through holes, fixed blocks 12 are welded at the upper ends of the pins 10, second springs 11 are fixedly mounted on the lower walls of the fixed blocks 12, the elastic resetting and locking functions of the pins 10 are achieved, the pins 10 are prevented from falling out, and rotating handles 9 are welded on the outer walls of the rotating block 3 and used for rotating the rotating block 3.

When the chain is used, the chains can smoothly enter the connecting ring body 1 through the front circular arc surfaces of the two groups of telescopic blocks 6, then the telescopic blocks 6 are quickly reset under the action of the first springs 5, pins 10 in the locking device are manually lifted when the chain needs to be disassembled, then the handles 9 are manually screwed to rotate 180 degrees in the rotating blocks 3, the circular arc surfaces of the telescopic blocks 6 face the lower part, the chain can be directly taken out through the installation flow, the installation bolts are not required to be disassembled again when the chain is assembled and disassembled, and the chain is convenient to disassemble and install and easy and convenient to operate.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.

Claims

1. The utility model provides a chain go-between, includes go-between ring body (1), set up two sets of go-between entry end walls (2) on go-between ring body (1), its characterized in that: the inside of go-between entry end wall (2) sets up the through-hole to movable mounting changes rotatory piece (3) in the through-hole, open in rotatory piece (3) inside has empty slot (4), movable mounting flexible piece (6) in empty slot (4), the upper portion of rotatory piece (3) is provided with locking device.

2. A chain connecting ring according to claim 1, characterized in that the tail end of the telescopic block (6) is fixedly provided with a first spring (5), and the other end of the first spring (5) is fixedly provided with an inner wall at one side of the rotating block (3).

3. A chain connecting ring according to claim 1 or 2, characterized in that the bottom of the telescopic block (6) is provided with a guide rail groove (8), the front outer part of the telescopic block (6) being circular arc-shaped.

4. A chain connecting ring according to any one of claims 1-3, characterized in that the lower inner wall of the rotating block (3) is provided with a guide rail (7), said guide rail (7) being mounted in cooperation with a guide rail groove (8).

5. A chain connecting ring according to claim 1, characterized in that slots (13) are provided at symmetrical positions of the upper and lower ends of the rotating block (3).

6. A chain link according to claim 1 or 5, characterized in that the locking means comprise pins (10), the upper half of the pins (10) being movably mounted in through holes in the link inlet end wall (2) and the lower half being movably mounted in slots (13) provided in the rotating block (3).

7. A chain connecting ring according to claim 6, characterized in that the uppermost end of the pin (10) is fixedly provided with a fixed block (12), the lower end of the fixed block (12) is fixedly provided with a second spring (11), and the second spring (11) is nested outside the pin (10).

8. A chain connecting ring according to claim 1, characterized in that a rotary handle (9) is fixedly mounted on one side of the rotary block (3).