Novel chain connecting ring capable of preventing ring from falling off

Abstract

The utility model discloses a novel chain connecting ring of anti-drop ring, including two semi-rings connected with each other through clamping teeth, a connecting piece is arranged between the two semi-rings, the connecting piece includes a connecting shaft pin, one end of the connecting shaft pin is fixedly provided with a positioning disc, the diameter of the positioning disc is greater than the gap between the two semi-rings, and the other end of the connecting shaft pin is fixedly provided with a connecting rod. An external thread is arranged on the peripheral wall of the other end of the connecting shaft pin, and a limiting through hole is formed in the part, provided with the external thread, of the connecting shaft pin in the radial direction; a limiting nut in threaded connection with the connecting shaft pin is arranged at the end, provided with the external threads, of the connecting shaft pin, anti-disengaging threaded holes are formed in the portions, right opposite to the limiting through holes, of the limiting nut, and anti-disengaging screws matched with the anti-disengaging threaded holes are arranged in the anti-disengaging threaded holes correspondingly. The opposite ends of the two anti-disengaging screws extend into the limiting through holes correspondingly. According to the utility model, the firmness of the connection of the two semi-rings can be effectively ensured, and the condition of ring separation is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of chain connecting rings, in particular to a novel chain connecting ring which can prevent the ring from falling off. Background Art

[0002] The two half rings of the connecting ring are connected together by meshing engaging teeth to connect the two chains and effectively bear the tension between the two chains. In addition, a fastening pin is driven between the two half rings during connection, and nuts are optionally installed at both ends of the fastening pin to achieve a fixed connection between the two connecting rings. However, the connecting ring has a single connection structure and does not have a limit structure for horizontal and vertical positioning. When used in high-intensity traction, it is easy to cause the nut to loosen and the fastening pin to shift, resulting in shifting and loosening between the connecting rings. The connection is not firm and the ring is easy to fall off. Therefore, a new type of anti-falling chain connecting ring is developed. Utility Model Content

[0003] The utility model aims to provide a novel chain connecting ring which is anti-dropping, so as to solve the technical problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a new type of chain connecting ring of an anti-slip ring, comprising two half rings connected to each other by engaging teeth, a connecting piece is arranged in the middle of the two half rings, the connecting piece comprises a connecting shaft pin, a positioning plate with a diameter larger than the gap between the two half rings is fixedly arranged at one end of the connecting shaft pin, an external thread is provided on the circumferential wall of the other end of the connecting shaft pin, and a limiting through hole is radially provided at the position where the external thread is provided; a limiting nut threadedly connected thereto is provided at the end of the connecting shaft pin where the external thread is provided, the limiting nut is provided with an anti-slip threaded hole at the position facing the limiting through hole, and an anti-slip screw matching with the anti-slip threaded hole is respectively arranged inside each of the anti-slip threaded holes, and the opposite ends of the two anti-slip screws respectively extend to the inside of the limiting through hole.

[0006] Furthermore, positioning grooves are respectively formed on one side of the two half rings close to the positioning plate, and two positioning bosses respectively matched with the two positioning grooves are fixedly provided on the positioning plate.

[0007] Furthermore, the cross-sections of the positioning groove and the positioning boss are both isosceles trapezoids.

[0008] Furthermore, the connecting shaft pin is sleeved with a washer at a position between the limiting nut and the two half rings.

[0009] Furthermore, the two anti-slip threaded holes are both configured as countersunk threaded holes, and the two anti-slip screws are configured as hexagon socket screws that match the countersunk threaded holes.

[0010] Compared with the prior art, the beneficial technical effects of the utility model are:

[0011] After the two half rings are connected to each other through the engaging teeth, the utility model inserts a connecting shaft pin between the two half rings, and the two positioning bosses of the positioning disk at the end of the connecting shaft pin respectively cooperate with the positioning grooves on the two half rings, which can prevent the connecting shaft pin from rotating and effectively limit the two half rings in the horizontal direction to avoid mutual deviation. The limiting nut is tightened at the other end of the connecting pin shaft so that the anti-slip threaded hole on the limiting nut is aligned with the limiting through hole on the connecting shaft pin, and the anti-slip screw is screwed into the anti-slip threaded hole to effectively fix the limiting nut and the connecting shaft pin, thereby preventing the nut from loosening and effectively limiting the two half rings in the vertical direction. Therefore, the utility model can effectively ensure the firmness of the connection between the two half rings and prevent the occurrence of ring slippage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model will be further described below in conjunction with the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the structure of one side of the anti-slip ring of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the other side of the anti-slip ring of the utility model;

[0015] Figure 3 It is a schematic cross-sectional structure diagram of the anti-slip ring of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the connector of the utility model;

[0017] Explanation of the accompanying drawings: 1. half ring; 2. snap-fitting tooth; 3. connecting shaft pin; 4. positioning plate; 5. positioning groove; 6. positioning boss; 7. limiting through hole; 8. limiting nut; 9. anti-slip threaded hole; 10. anti-slip screw; 11. washer. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 4 As shown, a new type of anti-dropping chain connecting ring includes two half rings 1 connected to each other by engaging teeth 2, and a connecting piece is arranged in the middle of the two half rings 1.

[0019] The connecting member includes a connecting shaft pin 3, and a positioning plate 4 having a diameter larger than the gap between the two half rings 1 is fixedly arranged at one end of the connecting shaft pin 3. In this embodiment, the two half rings 1 are respectively provided with positioning grooves 5 on one side close to the positioning plate 4, and the positioning plate 4 is fixedly provided with two positioning bosses 6 respectively matching the two positioning grooves 5, and the cross-sections of the positioning grooves 5 and the positioning bosses 6 are both isosceles trapezoids.

[0020] An external thread is provided on the peripheral wall of the other end of the connecting shaft pin 3, and a limit through hole 7 is radially provided at the portion where the external thread is provided. A limit nut 8 threadedly connected to the end of the connecting shaft pin 3 where the external thread is provided is installed, and a washer 11 is sleeved at the portion of the connecting shaft pin 3 between the limit nut 8 and the two half rings 1.

[0021] The limiting nut 8 is provided with an anti-slip threaded hole 9 at a position directly opposite to the limiting through hole 7, and each anti-slip threaded hole 9 is respectively installed with an anti-slip screw 10 adapted thereto, and the opposite ends of the two anti-slip screws 10 respectively extend into the interior of the limiting through hole 7.

[0022] As a further improvement to the present invention, the two anti-slip threaded holes 9 are both configured as countersunk threaded holes, and the two anti-slip screws 10 are configured as hexagon socket screws that are compatible with the countersunk threaded holes.

[0023] After the two half rings are connected to each other through the engaging teeth, the utility model inserts a connecting shaft pin between the two half rings, and the two positioning bosses of the positioning disk at the end of the connecting shaft pin respectively cooperate with the positioning grooves on the two half rings, which can prevent the connecting shaft pin from rotating and effectively limit the two half rings in the horizontal direction to avoid mutual deviation. The limiting nut is tightened at the other end of the connecting pin shaft so that the anti-slip threaded hole on the limiting nut is aligned with the limiting through hole on the connecting shaft pin, and the anti-slip screw is screwed into the anti-slip threaded hole to effectively fix the limiting nut and the connecting shaft pin, thereby preventing the nut from loosening and effectively limiting the two half rings in the vertical direction. Therefore, the utility model can effectively ensure the firmness of the connection between the two half rings and prevent the occurrence of ring slippage.

[0024] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A new type of anti-slip chain ring, characterized by: It comprises two half rings interconnected by engaging teeth, a connecting piece is arranged in the middle of the two half rings, the connecting piece comprises a connecting shaft pin, a positioning plate with a diameter larger than the gap between the two half rings is fixedly arranged at one end of the connecting shaft pin, an external thread is provided on the circumferential wall of the other end of the connecting shaft pin, and a limiting through hole is radially provided at the position where the external thread is provided; a limiting nut threadedly connected thereto is provided at the end of the connecting shaft pin where the external thread is provided, the limiting nut is provided with an anti-slipping threaded hole at the position facing the limiting through hole, and an anti-slipping screw matching with the anti-slipping threaded hole is respectively arranged inside each of the anti-slipping threaded holes, and the opposite ends of the two anti-slipping screws respectively extend to the inside of the limiting through hole.

2. The novel chain connecting ring with an anti-drop ring according to claim 1 is characterized in that: The two half rings are respectively provided with positioning grooves on one side close to the positioning plate, and the positioning plate is fixedly provided with two positioning bosses respectively matched with the two positioning grooves.

3. The novel chain connecting ring with an anti-drop ring according to claim 2 is characterized in that: The cross sections of the positioning groove and the positioning boss are both isosceles trapezoidal.

4. The novel chain connecting ring with an anti-drop ring according to claim 1 is characterized in that: The connecting shaft pin is sleeved with a washer at a position between the limiting nut and the two half rings.

5. The novel chain connecting ring with anti-drop ring according to claim 1 is characterized in that: The two anti-slip threaded holes are both configured as countersunk threaded holes, and the two anti-slip screws are configured as hexagon socket screws that match the countersunk threaded holes.

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