Primary-secondary integrated car coupler

By designing a composite locking block sliding and screw linkage-based mother-daughter coupler, the problems of vehicle direction restriction and short buffer life are solved, enabling vehicle coupling in any direction and improving safety.

CN223736038UActive Publication Date: 2025-12-30SHAANXI HAIDUO RAILWAY TECH DEV CO LTD
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Patent Information

Application Number
CN202520199989.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2025-12-30
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

The existing mother-daughter coupler is restricted by the direction of the vehicle during use, which makes shunting and emergency rescue inconvenient. In addition, the steel spring buffer mechanism has a short life and insufficient elasticity, resulting in excessive impact and high maintenance frequency.

Method used

A hybrid coupler was designed, comprising a coupler front end, a linkage mechanism, a swing mechanism, and a buffer mechanism. Through the sliding of the composite locking block and the quadrilateral linkage of the screw, the coupler can be coupled in any direction. A rubber buffer is used to improve the buffering performance.

Benefits of technology

It enables vehicles to be coupled in any direction, which facilitates shunting and rescue, extends the service life of the coupler, reduces the maintenance frequency, and improves driving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a primary-secondary integrated car coupler, which relates to the technical field of railway vehicles, and comprises a coupler front end, a composite locking block is arranged in a movable hole, and a coupler knuckle is arranged at one end of the composite locking block. According to the utility model, the combined locking block slides in the length direction of the first movable hole, so that the position can be conveniently adjusted according to the child-mother integrated car coupler of the opposite car body, and the coupler knuckle of the child-mother integrated car coupler of the opposite car body can rotate to the combined locking block of the child-mother integrated car coupler through the first movable groove of the coupler knuckle; according to the connection method, the structure is optimally designed, and the coupler knuckle and the hooking point of the coupler knuckle are integrated, so that the forms of the couplers at the two ends of the vehicle body are the same, successful coupling of the vehicle in any direction can be achieved, the direction of the vehicle is not limited any more, and the vehicle can be conveniently connected. And on-site shunting rescue operation is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the rail vehicle technical field, concretely relates to a mother and child same body car hook. BACKGROUND

[0002] The mother and child same body car hook is a specially designed railway vehicle connecting device, and the mother and child hook is derived from an axe type car hook, is divided into hook yoke and hook end two forms, needs to be connected and hung when using hook yoke and hook end, this requires that one end of the vehicle is installed hook yoke and the other end is installed hook end, and the direction is fixed when the vehicle is marshaled, otherwise cannot be connected and hung, and is thus called mother and child hook, but when using this car hook, because the two ends (hook end and hook yoke) of mother and child must be connected and hung, the direction of the vehicle is limited when shunting and marshaling and emergency rescue, and many use restrictions are brought, and the original mother and child hook uses steel spring buffer, is limited by spring stiffness, and often appears that spring elasticity is insufficient to cause impact to be too large when being connected and hung, spring life is lower, and maintenance and replacement frequency is high, therefore the utility model provides a mother and child same body car hook to improve the above problems. SUMMARY

[0003] Therefore, the utility model wants to overcome the defect that the mother and child same body car hook in the prior art is limited by the direction of the vehicle when being used, so as to provide a mother and child same body car hook.

[0004] In order to solve the above problems, the utility model provides a mother and child same body car hook, which comprises:

[0005] The hook front end is internally hollow, one end of the hook front end is provided with a positioning plate, the side surface of the hook front end is provided with a first movable hole penetrating through, a composite lock block is arranged in the movable hole, one end of the composite lock block is provided with a hook tongue, and one end of the hook front end provided with the positioning plate is provided with a first movable slot.

[0006] The linkage mechanism is arranged between the two sides of the composite lock block to adjust the position of the composite lock block relative to the hook front end.

[0007] The swing mechanism is arranged at the top of the hook front end.

[0008] The buffer mechanism is arranged at the end of the swing mechanism away from the hook front end, and the buffer mechanism is used for buffering the car hook.

[0009] Preferably, the shape of the composite lock block is a mouth-shaped, the top of the composite lock block is rotationally connected with the hook tongue, the second movable hole extending in the first movable hole is adapted to the top section of the composite lock block, and the bottom of the composite lock block is used for connecting with the hook tongue of the opposite car hook.

[0010] The front end of the hook is provided with a mounting hole near one end of the swing mechanism, one end of the swing mechanism extends into the mounting hole and is rotationally connected with the front end of the hook;

[0011] The two sides of the front end of the hook are further provided with third movable holes, the third movable holes are close to the top of the front end of the hook;

[0012] The front end of the hook is provided with two pairs of rotating holes near the top of the front end of the hook, the two pairs of rotating holes are respectively arranged on two opposite sides different from the third movable holes, and a first rotating rod and a second rotating rod are respectively arranged between the two pairs of rotating holes.

[0013] Preferably, the linkage mechanism comprises a screw rod, a connecting rod and a pull rod, two ends of the connecting rod respectively penetrate the third movable holes, a middle part of the connecting rod is rotationally connected with the first rotating rod, one end of the pull rod is rotationally connected with one side of the composite lock block, the other end of the pull rod is rotationally connected with one end of the connecting rod, the other end of the connecting rod is provided with a guide sleeve, the guide sleeve is rotationally connected with the connecting rod, the screw rod is arranged between the guide sleeve and the other side of the composite lock block, the other side of the composite lock block is provided with a sliding cylinder, the sliding cylinder and the guide sleeve are respectively provided with screw holes, the threads of the screw holes in the sliding cylinder and the guide sleeve are opposite, and the two ends of the screw rod are respectively screwed with the screw holes.

[0014] Preferably, a connecting hole is arranged in the middle part of the screw rod, a handle is arranged in the connecting hole, and limit rings are respectively arranged at the two ends of the handle.

[0015] Preferably, a second movable slot is arranged on the side opposite to the first movable slot of the front end of the hook, an L-shaped lifting rod is arranged in the second movable slot close to the alignment plate, one end of the L-shaped lifting rod is rotationally connected with the edge of the front end of the hook on the two sides of the second movable slot, and the other end of the L-shaped lifting rod extends away from the direction of the front end of the hook.

[0016] An open-hook top block is arranged in the L-shaped lifting rod in the second movable slot, the open-hook top block extends to the bottom of the composite lock block, and the open-hook top block is used for toppling the opposite hook tongue away from the bottom of the composite lock block.

[0017] Preferably, the swing mechanism comprises a traction rod and a buffer pull rod, one end of the buffer pull rod is connected with the vehicle body, the other end of the buffer pull rod is provided with a rotating part, the rotating part is connected with one end of the traction rod, and the other end of the traction rod is rotationally connected with the second rotating rod and the mounting hole;

[0018] The traction sleeve pipe is arranged on the traction rod and the buffer pull rod respectively, one end of the traction sleeve pipe abuts against the edge of the mounting hole, and the other end of the traction sleeve pipe extends to and abuts against the buffer mechanism.

[0019] Preferably, the buffer mechanism comprises front and rear from plates, the front and rear from plates are sleeved on the buffer pull rod, the front from plate is provided with an abutting portion close to the traction sleeve pipe, the abutting portion abuts against the traction sleeve pipe, a rubber buffer is arranged between the front and rear from plates, and one end of the rear from plate away from the front from plate abuts against the vehicle body.

[0020] Preferably, a shackle is arranged on one side of the middle part of the hook close to the hook front end top, the shackle and the hook are rotationally connected, a hook is arranged on the hook front end top close to the shackle, and the shackle and the hook are detachably connected.

[0021] The primary and secondary same-body car hook has the following beneficial effects:

[0022] 1. The composite lock block slides in the length direction of the first movable hole, so that the position of the primary and secondary same-body car hook of the opposite vehicle body can be adjusted conveniently, the hook tongue of the primary and secondary same-body car hook of the opposite vehicle body can be rotated to the composite lock block of the primary and secondary same-body car hook, and the car hook of the vehicle body is connected to the composite lock block of the opposite vehicle body, so that the connection between the two vehicle bodies is completed.

[0023] 2. The distance between the guide sleeve and the sliding cylinder is enlarged or reduced when the adjusting screw is rotated, because the screw and the two screw holes are screwed, the threads of the two screw holes are different in direction, the bottom of the composite lock block is driven to move close to or away from the alignment plate, the distance between the hook tongues of the two vehicle bodies is adjusted, the primary and secondary same-body car hooks of the two vehicle bodies are tensioned, and the two vehicle bodies are adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a general assembly three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a front view structure schematic view of the utility model;

[0026] Figure 3 It is a handle structure installation schematic view of the utility model;

[0027] Figure 4 The connecting rod structure installation schematic view of the utility model;

[0028] Figure 5 The first movable slot structure installation schematic view of the utility model;

[0029] Figure 6 The installation hole structure installation schematic view of the utility model.

[0030] The reference signs are represented as:

[0031] 1, the hook front end; 2, the alignment plate; 3, the first movable hole; 4, the composite lock block; 5, the hook tongue; 6, the first movable slot; 7, the second movable hole; 8, the installation hole; 9, the third movable hole; 10, the rotating hole; 11, the first rotating rod; 12, the second rotating rod; 13, the screw rod; 14, the connecting rod; 15, the pull rod; 16, the guide sleeve; 17, the sliding cylinder; 18, the connecting hole; 19, the handle; 20, the second movable slot; 21, the L-shaped lifting rod; 22, the open hook top block; 23, the traction rod; 24, the buffer pull rod; 25, the rotating part; 26, the traction sleeve; 27, the front from plate; 28, the rear from plate; 29, the abutment; 30, the rubber buffer; 31, the shackle; 32, the hook. DETAILED DESCRIPTION

[0032] As Figures 1-6 shown, the utility model provides a child and mother same body car hook, it includes:

[0033] hook front end 1, the hook front end 1 is hollow structure, the hook front end 1 one end is provided with alignment plate 2, the side of hook front end 1 is provided with the first movable hole 3 that penetrates, is provided with composite lock block 4 in the movable hole, the one end of composite lock block 4 is provided with hook tongue 5, the hook front end 1 sets up the first movable slot 6 of one end of alignment plate 2; linkage mechanism, set up between the two sides of composite lock block 4, to adjust the position of composite lock block 4 relative to hook front end 1; swing mechanism, set up in the top of hook front end 1; buffer mechanism, set up in the end of swing mechanism away from hook front end 1, and the buffer mechanism is used for the buffer of car hook. Figures 1-6As shown, a letter same body car hook, the alignment plate 2 is used for abutting with the alignment plate 2 of the opposite car body's mother and daughter same body car hook, wherein the composite lock block 4 slides in the length direction of the first movable hole 3, so as to facilitate the position adjustment according to the opposite car body's mother and daughter same body car hook, wherein the hook tongue 5 of the opposite car body's mother and daughter same body car hook can be rotated to the composite lock block 4 of the same car hook through its own first movable slot 6, and then the car hook of the car body is connected to the composite lock block 4 of the opposite car body, so as to complete the connection between the two car bodies, in the application, the structure is optimized and designed, the hook tongue 5 and the point of hooking the hook tongue 5 are integrated together, so that the car hook forms at both ends of the car body are the same, the vehicle can be successfully connected in any direction, and the vehicle direction is no longer limited, which is convenient for on-site shunting rescue operation.

[0034] In some embodiments, the composite lock block 4 is in the shape of a mouth-shaped character, the top of the composite lock block 4 is rotationally connected with the hook tongue 5, and the first movable hole 3 extends with the second movable hole 7 adapted to the top section of the composite lock block 4, the bottom of the composite lock block 4 is used for connecting with the hook tongue 5 of the opposite car hook; the hook front end 1 is provided with a mounting hole 8 close to one end of the swing mechanism, one end of the swing mechanism extends into the mounting hole 8 and is rotationally connected with the hook front end 1; the hook front end 1 is further provided with a third movable hole 9 on both sides, and the third movable hole 9 is close to the top of the hook front end 1; the hook front end 1 is provided with two pairs of rotating holes 10 close to the top of the hook front end 1, respectively, and the two pairs of rotating holes 10 are respectively arranged on two opposite sides different from the third movable hole 9, and the first rotating rod 11 and the second rotating rod 12 are respectively arranged between the two pairs of rotating holes 10. Figures 1-6 As shown, the hook front end 1 is hollow, the mounting hole 8, the first movable hole 3, the first movable slot 6, the third movable hole 9, the second movable hole 7 and the second movable slot 20, and the rotating hole 10 are communicated with the cavity of the hook front end 1, wherein the top of the composite lock block 4 is rotationally connected with the hook tongue 5, so that the hook tongue 5 can rotate to the other car body with the top of the composite lock block 4 as the center, the second movable hole 7 is a lateral extension of the first movable hole 3, and is used for sliding the top of the composite lock block 4, wherein the connection between the first rotating rod 11 and the second rotating rod 12 and the rotating hole 10 can be in the form of bonding or welding.

[0035] In some embodiments, the linkage mechanism includes: a screw 13, a connecting rod 14, and a pull rod 15. Both ends of the connecting rod 14 pass through the third movable hole 9, and the middle of the connecting rod 14 is rotatably connected to the first rotating rod 11. One end of the pull rod 15 is rotatably connected to one side of the composite locking block 4, and the other end of the pull rod 15 is rotatably connected to one end of the connecting rod 14. A guide sleeve 16 is provided at the other end of the connecting rod 14, and the guide sleeve 16 is rotatably connected to the connecting rod 14. The screw 13 is disposed between the guide sleeve 16 and the other side of the composite locking block 4. A sliding cylinder 17 is provided on the other side of the composite locking block 4. Screw holes are respectively provided in the sliding cylinder 17 and the guide sleeve 16, and the threads of the screw holes in the sliding cylinder 17 and the guide sleeve 16 are opposite. Both ends of the screw 13 are screwed into the screw holes. Figures 1-6 As shown, a gap is provided between the third movable hole 9 and the connecting rod 14, and the third movable hole 9 is reserved with a gap required for the connecting rod 14 to swing to the top or bottom when it rotates around its first rotating rod 11. The rotatable connection between the connecting rod 14 and one side of the composite lock block 4, the pull rod 15 and the connecting rod 14 can be achieved through a rotating shaft. The rotatable connection between the guide sleeve 16 and the connecting rod 14 can be achieved by setting a rotating sleeve at one end of the connecting rod 14, with the guide sleeve 16 set inside the rotating sleeve and rotating inside the rotating sleeve. The rotation is achieved by adjusting the screw 13. The screw 13 is screwed to two screw holes with opposite threads, which causes the distance between the guide sleeve 16 and the sliding cylinder 17 to be enlarged or reduced when the screw 13 is rotated. Since the connecting rod 14, the pull rod 15, the screw 13 and the composite locking block 4 form a quadrilateral linkage, and the connecting rod 14 is rotatably connected to the first rotating rod 11, the bottom of the composite locking block 4 is moved closer to or away from the alignment plate 2, thereby adjusting the distance between it and the hook tongue 5 of the other car body, so as to achieve tensioning of the mother-daughter car coupler of the two car bodies for adjustment.

[0036] In some embodiments, a connecting hole 18 is provided in the middle of the screw 13, and a handle 19 is provided inside the connecting hole 18. Limit rings are respectively provided at both ends of the handle 19. For example... Figures 1-6 As shown, the handle 19 extends into the connecting hole 18, so that one of the limiting rings at both ends of the handle 19 abuts against the edge of the connecting hole 18 to form a limit, so that the other side of the handle 19 can be used to operate the screw 13 to rotate, thereby adjusting the composite lock block 4.

[0037] In some embodiments, the hook front end 1 and the opposite side of the first movable slot 6 are provided with a second movable slot 20, the second movable slot 20 is provided with an L-shaped lifting rod 21 near the alignment plate 2, one end of the L-shaped lifting rod 21 is rotatably connected to the edge of the hook front end 1 on both sides of the second movable slot 20, and the other end of the L-shaped lifting rod 21 extends away from the direction of the hook front end 1.

[0038] The L-shaped lifting rod 21 is provided with an open hook top block 22 in the second movable slot 20, the open hook top block 22 extends to the bottom of the composite lock block 4, and the open hook top block 22 is used to lift the opposite hook tongue 5 away from the bottom of the composite lock block 4. As shown, by operating the other end of the L-shaped lifting rod 21, the open hook top block 22 on the L-shaped lifting rod 21 can rotate around the rotatable connection between the L-shaped lifting rod 21 and the edge of the hook front end 1. When the opposite hook tongue 5 of the vehicle body is hung on the composite lock block 4, the L-shaped lifting rod 21 is rotated to drive the open hook top block 22 to lift the opposite hook tongue 5 of the vehicle body, thereby completing the disassembly of the opposite hook tongue 5 of the vehicle body. Figures 1-6

[0039] In some embodiments, the swing mechanism includes a traction rod 23 and a buffer pull rod 24, one end of the buffer pull rod 24 is connected to the vehicle body, the other end of the buffer pull rod is provided with a rotating part 25, the rotating part 25 is connected to one end of the traction rod 23, the other end of the traction rod 23 is rotatably connected to the second rotating rod 12 through the mounting hole 8. A traction sleeve 26 is respectively sleeved on the traction rod 23 and the buffer pull rod 24, one end of the traction sleeve 26 abuts against the edge of the mounting hole 8, and the other end of the traction sleeve 26 extends to and abuts against the buffer mechanism. As shown, the rotatable connection between the traction rod 23 and the rotating part 25 of the buffer pull rod can be achieved by a rotating shaft, so that the angle between the traction rod 23 and the buffer pull rod can be adjusted. The end of the traction rod 23 extending into the mounting hole 8 is rotatably connected through the second rotating rod 12, so as to facilitate the connection of the two, and the traction sleeve 26 plays a protective role for the traction rod 23. Figures 1-6

[0040] In some embodiments, the buffer mechanism includes a front from plate 27 and a rear from plate 28, the front from plate 27 and the rear from plate 28 are sleeved on the buffer pull rod 24, the front from plate 27 is provided with an abutting part 29 near the traction sleeve 26, the abutting part 29 abuts against the traction sleeve 26, a rubber buffer 30 is arranged between the front from plate 27 and the rear from plate 28, and one end of the rear from plate 28 away from the front from plate 27 abuts against the vehicle body. As shown, the abutting part 29 of the front from plate 27 abuts against the traction sleeve 26, and the rubber buffer 30 is arranged between the front from plate 27 and the rear from plate 28. Figures 1-6 ​​As shown, the opposite sides of the front and rear plates 27 and 28 of the buffer mechanism are provided with limiting grooves, and the rubber buffer 30 is installed between the limiting grooves, and the abutting part 29 abuts against the traction sleeve 26, so that when the two car bodies are connected, the rubber buffer 30 is used to buffer the two car bodies, the rubber buffer 30 is commercially available, the buffer performance of the whole car coupler is improved, the driving safety is improved, and the failure frequency is low.

[0041] In some embodiments, the middle part of the knuckle 5 is provided with a hook ring 31 near one side of the top of the hook front end 1, the hook ring 31 is rotationally connected with the knuckle 5, the hook front end 1 is provided with a hook 32 near the hook ring 31, and the hook ring 31 and the hook 32 are detachably connected. Figures 1-6 As shown, when the knuckle 5 of the opposite car body is hung, the knuckle 5 of the car body is hung on the hook 32 through the hook ring 31, so that the knuckle 5 does not interfere with the hook head of the car coupler or the knuckle 5 of the opposite car coupler.

[0042] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application. The above is only a preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A car coupler of the same body for a primary and a secondary car, characterized by, The utility model relates to a kind of sub-mother same body car coupler, including: Hook front end, the hook front end is hollow structure inside, one end of the hook front end is provided with alignment plate, the side of the hook front end is provided with first movable hole, composite lock block is located in the movable hole and is provided with, one end of the composite lock block is provided with hook tongue, the one end of the hook front end provided with the alignment plate is provided with first movable slot; Linkage mechanism is arranged between the two sides of the composite lock block, to adjust the position of the composite lock block relative to the hook front end; Swing mechanism is arranged on the top of the hook front end; Buffer mechanism is arranged on the end of the swing mechanism away from the hook front end, and the buffer mechanism is used for the buffer of car coupler.

2. The sub-mother same body car coupler according to claim 1, wherein: The shape of the composite lock block is mouth-shaped, the top of the composite lock block and the hook tongue are rotatably connected, and the first movable hole extends the second movable hole adapted to the top section of the composite lock block, and the bottom of the composite lock block is used to connect with the hook tongue of the opposite car coupler; The end of the hook front end close to the swing mechanism is provided with a mounting hole, one end of the swing mechanism extends into the mounting hole and is rotatably connected with the hook front end; The two sides of the hook front end are also provided with third movable holes, the third movable holes are close to the top of the hook front end; The hook front end close to the top of the hook front end is respectively provided with two pairs of rotating holes, and the two pairs of rotating holes are respectively arranged on two opposite sides different from the third movable hole, and the first rotating rod and the second rotating rod are respectively arranged between the two pairs of rotating holes.

3. The sub-mother same body car coupler according to claim 2, wherein: The linkage mechanism comprises a screw rod, a connecting rod and a pull rod, the two ends of the connecting rod respectively pass through the third movable holes, the middle part of the connecting rod is rotatably connected with the first rotating rod, one end of the pull rod is rotatably connected with one side of the composite lock block, the other end of the pull rod is rotatably connected with one end of the connecting rod, the other end of the connecting rod is provided with a guide sleeve, the guide sleeve is rotatably connected with the connecting rod, the screw rod is arranged between the guide sleeve and the other side of the composite lock block, the other side of the composite lock block is provided with a sliding cylinder, the sliding cylinder and the guide sleeve are respectively provided with screw holes, the threads of the screw holes in the sliding cylinder and the guide sleeve are opposite, and the two ends of the screw rod are respectively screwed with the screw holes.

4. The sub-mother same body car coupler according to claim 3, wherein: The middle part of the screw rod is provided with a connecting hole, the connecting hole is provided with a handle, and the two ends of the handle are respectively provided with a limiting ring.

5. The sub-mother same body car coupler according to claim 2, wherein: The side opposite to the first movable slot of the hook front end is provided with a second movable slot, the second movable slot close to the alignment plate is provided with an L-shaped lifting rod, one end of the L-shaped lifting rod is rotatably connected with the edge of the hook front end on both sides of the second movable slot, and the other end of the L-shaped lifting rod extends away from the direction of the hook front end. The L-shaped lifting rod is provided with an open hook top block in the second movable slot, the open hook top block extends to the bottom of the composite lock block, and the open hook top block is used for toppling the opposite hook tongue from the bottom of the composite lock block.

6. The car coupler according to claim 2, characterized in that: The swing mechanism comprises a traction rod and a buffer pull rod, one end of the buffer pull rod is connected with the vehicle body, the other end of the buffer pull rod is provided with a rotating part, the rotating part is connected with one end of the traction rod, and the other end of the traction rod is rotatably connected through the mounting hole and the second rotating rod; The traction rod and the buffer pull rod are respectively sleeved with traction sleeves, one end of the traction sleeve abuts against the edge of the mounting hole, and the other end of the traction sleeve extends to and abuts against the buffer mechanism.

7. The car coupler according to claim 6, characterized in that: The buffer mechanism comprises a front from plate and a rear from plate, the front from plate and the rear from plate are sleeved on the buffer pull rod, the front from plate is provided with an abutting part close to the traction sleeve, the abutting part abuts against the traction sleeve, a rubber buffer is arranged between the front from plate and the rear from plate, and one end of the rear from plate away from the front from plate abuts against the vehicle body.

8. The car coupler according to claim 1, characterized in that: The middle part of the hook tongue is provided with a hook ring close to one side of the hook front end top, the hook ring and the hook tongue are rotatably connected, the hook front end top is provided with a hook close to the hook ring, and the hook ring and the hook are detachably connected.