Rotary connector with buffering function

Abstract

The rotary connector with the buffering function comprises a rotating ring and a connecting piece, the connecting piece is fixedly connected by inserting the lower end of an upper connecting body into a lower connecting body, a through hole is formed in the lower end of the rotating ring, a connecting rod is inserted into the through hole, an inner top hole is formed in the center of the upper connecting body in a penetrating mode, and the inner top hole is communicated with the upper connecting body. The lower end of the inner top hole is provided with an inner bottom hole in a communicating mode, the lower end of the connecting body penetrates through the inner top hole and the inner bottom hole to be clamped in the inner bottom hole to be fixedly connected with a round nut, a buffer is arranged at the position, between the round nut and the top end of the inner bottom hole, outside the connecting rod in a sleeving mode, and a convex ring is fixedly arranged at the upper end of the connecting rod. An inner groove is formed in the position, corresponding to the protruding ring, of the upper end in the rotating ring, and a falling indicator is arranged at the position, between the protruding ring and the inner groove, outside the connecting rod in a sleeving mode. The connector has a buffer function, and can protect the connector and a human body.

Description

Technical Field

[0001] This utility model relates to the field of safety protection equipment technology, and more specifically to a rotary connector with a buffer function. Background Technology

[0002] Rotary connectors are primarily used to connect various fall protection devices and are load-bearing connectors that transfer a worker's weight from one fall protection device to another during a fall event. Traditional connectors do not have indicators, so it is impossible to know whether a fall protection device has already experienced a fall event. Reuse can lead to a decrease in safety.

[0003] The existing technology, disclosed in CN201710848U, uses a built-in buffer type fall arrestor. When the pawl centrifugally swings open and locks the internal gear disc, the internal gear disc will slowly rotate and stop due to friction, without locking instantly. This provides some buffering, reduces the impact force of the fall, and prevents injury to the human body. However, this utility model still has the following problems: when the lower connector suddenly falls, there is no buffering between the bolt, hook, and ring. Therefore, the connector is subjected to a large impact force, which is easy to deform and damage, increasing the replacement cost. Moreover, because the connector is directly connected to the safety rope on the body, the impact force when the fall stops is very large, which can still cause injury to the human body. Therefore, this utility model proposes a rotary connector with a buffer function. Utility Model Content

[0004] The purpose of this invention is to provide a rotary connector with a buffer function, which can protect both the connector itself and the human body.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A rotary connector with a buffer function includes a rotating ring and a connecting member. The connecting member is fixedly connected by inserting the lower end of an upper connecting body into a lower connecting body. The lower end of the rotating ring has a through hole, and a connecting rod is inserted into the through hole. The upper connecting body has a through-hole at its center, and an inner bottom hole is provided at the lower end of the inner top hole. The lower end of the connecting body passes through the inner top hole and the inner bottom hole and is fixedly connected to a round nut in the inner bottom hole. A buffer is sleeved on the connecting rod between the round nut and the top of the inner bottom hole. A protruding ring is fixedly provided on the upper end of the connecting rod. An inner groove is provided on the upper end of the rotating ring corresponding to the position of the protruding ring. A drop indicator is sleeved on the connecting rod between the protruding ring and the inner groove.

[0007] By adopting the above technical solution, this utility model has the following advantages:

[0008] The buffer design of this invention buffers the downward pull and impact force of the connector during a sudden stop when a worker falls. Since the connector is directly connected to the worker's safety rope, it also buffers the impact force on the human body. This protects both the connector body from deformation and damage, and the worker from injury. Compared to traditional fall indicators that transmit signals of a fall event via a broken pin, which can damage the connector and increase maintenance distance, this fall indicator transmits signals through compression by a convex ring, reducing impact on the connector and preventing damage. Furthermore, the fall indicator is made of a flexible material, further enhancing its buffering effect.

[0009] Furthermore, the connecting rod is rotatably connected to the upper connecting body via a round nut.

[0010] By adopting the above technical solution, this utility model has the following advantages:

[0011] The rotatable connection between the connecting rod and the upper connecting body in this invention allows the rotating ring and the connecting piece to rotate, effectively preventing the rope from becoming entangled during worker use.

[0012] Furthermore, the diameter of the inner bottom hole is larger than the diameter of the inner top hole.

[0013] By adopting the above technical solution, this utility model has the following advantages:

[0014] The design of having a bottom hole diameter larger than the top hole diameter effectively prevents the round nut from detaching from the upper connecting body.

[0015] Furthermore, the connecting rod is provided with an inner ring groove at the position of the through hole, and a rubber washer is fitted on the connecting rod corresponding to the position of the inner ring groove.

[0016] By adopting the above technical solution, this utility model has the following advantages:

[0017] The rubber gasket in this invention not only reduces the friction between the connecting rod and the rotating ring, effectively preventing wear and damage to both, but also allows workers to visually assess whether the invention has been subjected to a drop incident by examining the exposed rubber gasket.

[0018] Furthermore, both the rubber gasket and the fall indicator are covered with a brightly colored layer.

[0019] By adopting the above technical solution, this utility model has the following advantages:

[0020] The bright color layer of this invention allows workers to quickly and intuitively determine whether the invention has been subjected to a fall.

[0021] Furthermore, the buffer is provided with several buffer slots at equal intervals.

[0022] By adopting the above technical solution, this utility model has the following advantages:

[0023] The buffer groove in this invention effectively improves the buffering performance of the buffer, further protecting the connector and the human body. Attached Figure Description

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 This is a schematic diagram of the structure of this utility model (not subjected to a fall event);

[0026] Figure 2 This is a schematic diagram of the structure of this utility model (subject to a fall event).

[0027] Reference numerals: 1. Rotating ring; 101. Inner groove; 102. Through hole; 2. Connecting rod; 201. Convex ring; 202. Inner ring groove; 3. Upper connecting body; 301. Inner top hole; 302. Inner bottom hole; 4. Lower connecting body; 5. Round nut; 6. Buffer; 601. Buffer groove; 7. Rubber washer; 8. Fall indicator. Detailed Implementation

[0028] like Figures 1 to 2 As shown in this specific embodiment, a rotary connector with a buffer function includes a rotating ring 1 and a connector. The connector is fixedly connected by inserting the lower end of the upper connector 3 into the lower connector 4. The lower end of the rotating ring 1 has a through hole 102, and a connecting rod 2 is inserted into the through hole 102. The upper connector 3 has an inner top hole 301 through its center, and an inner bottom hole 302 communicates with the lower end of the inner top hole 301. The lower end of the connector passes through the inner top hole 301 and the inner bottom hole 302 and is fixedly connected to the round nut 5 in the inner bottom hole 302. A buffer 6 is sleeved on the outside of the connecting rod 2 between the round nut 5 and the top of the inner bottom hole 302. A convex ring 201 is fixedly provided at the upper end of the connecting rod 2. An inner groove 101 is provided at the upper end of the rotating ring 1 corresponding to the position of the convex ring 201. A fall indicator 8 is sleeved on the outside of the connecting rod 2 between the convex ring 201 and the inner groove 101. The connecting rod 2 is rotatably connected to the upper connecting body 3 through a round nut 5. The diameter of the inner bottom hole 302 is larger than the diameter of the inner top hole 301. An inner ring groove 202 is provided at the position of the connecting rod 2 at the position of the through hole 102. A rubber washer 7 is sleeved on the connecting rod 2 at the position corresponding to the position of the inner ring groove 202. Both the rubber washer 7 and the fall indicator 8 are provided with a bright color layer on the outside. Several buffer grooves 601 are provided at equal intervals on the buffer 6.

[0029] Through the above settings, the buffer 6 of this utility model can buffer the downward pull of the connector and the impact force of the sudden stop when the worker falls. The connector is directly connected to the worker's safety rope, so it can also buffer the impact force on the human body. It protects the connector body from deformation and damage, and also protects the human body from injury. The fall indicator 8 of this utility model, compared with the traditional method of transmitting a signal of a fall event through the breakage of the pin, which can cause impact damage to the connector and make maintenance difficult, can transmit the signal through the compression of the convex ring 201. This can reduce the impact on the connector and prevent connector damage. Moreover, the fall indicator 8 is made of a flexible material, which further provides a certain degree of buffering. The connecting rod 2 of this utility model is connected to the upper connecting rod. The rotating connection of the connector 3 allows the rotating ring 1 and the connector to rotate, effectively preventing the rope from getting tangled during use. The inner bottom hole 302, with a diameter larger than the inner top hole 301, effectively prevents the round nut 5 from detaching from the upper connector 3. The rubber washer 7 reduces friction between the connecting rod 2 and the rotating ring 1, preventing wear and damage, and allows workers to visually assess whether the device has been subjected to a fall. The bright color layer provides workers with a quick and intuitive indication of whether the device has been subjected to a fall. The buffer groove 601 effectively improves the buffer performance of the buffer 6, further protecting the connector and the user.

[0030] Working principle: When in use, the rotating ring 1 is connected to the fall arrestor, and the lower connecting body 4 is connected to the safety rope. When a fall occurs, the fall arrestor will stop quickly. At this time, the connecting part will be pulled down by the weight of the human body, and the connecting part will drive the connecting rod 2 to move down. The convex ring 201 of the connecting rod 2 squeezes the fall indicator 8, thereby exposing the rubber gasket 7. Both the fall indicator 8 and the buffer 6 play a buffering function, thereby reducing the impact force brought by the stop and protecting the human body and the connector itself. Workers can know whether this utility model has been tested for a fall by checking whether the fall indicator 8 is squeezed and whether the rubber gasket 7 is exposed, preventing it from being reused without replacement and maintenance, which could lead to dangerous situations.

[0031] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A rotary joint with a buffering function, characterized by comprising: The utility model relates to a rotating ring (1) and connecting piece, connecting piece is fixed connection by upper connecting body (3) lower end insertion lower connecting body (4), rotating ring (1) lower end is equipped with perforation (102), the perforation (102) is inserted and is equipped with connecting rod (2), upper connecting body (3) center is equipped with inner top hole (301), inner top hole (301) lower end is communicated and is equipped with inner bottom hole (302), connecting body lower end passes through inner top hole (301) and inner bottom hole (302) and is set in inner bottom hole (302) with round nut (5) fixed connection, connecting rod (2) outer between round nut (5) and inner bottom hole (302) top end is equipped with buffer (6), connecting rod (2) upper end is equipped with convex ring (201), rotating ring (1) inner upper end is equipped with inner groove (101) in the position corresponding convex ring (201), connecting rod (2) outer between convex ring (201) and inner groove (101) is equipped with falling indicator (8).

2. A rotary union with a buffering function according to claim 1, wherein, The connecting rod (2) is rotatably connected to the upper connecting body (3) through the round nut (5).

3. A rotary union with a buffering function according to claim 1, wherein, The diameter of the inner bottom hole (302) is greater than the diameter of the inner top hole (301).

4. The rotary union of claim 1, wherein, The connecting rod (2) is provided with an inner ring groove (202) at the position of the perforation (102), and a rubber gasket (7) is sleeved on the connecting rod (2) at the position corresponding to the inner ring groove (202).

5. A rotary union with a buffering function according to claim 4, wherein, The rubber gasket (7) and the falling indicator (8) are both provided with a bright color layer.

6. A rotary union with a buffering function according to claim 1, wherein, The buffer (6) is provided with a plurality of buffer grooves (601) at equal intervals.

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