CN202594605U

CN202594605U - High-stability rotary shackle

Info

Publication number: CN202594605U
Application number: CN 201220212094
Authority: CN
Inventors: 刘兴烈
Original assignee: CHONGQING XINYE MARINE CASTING Co Ltd
Current assignee: CHONGQING XINYE MARINE CASTING Co Ltd
Priority date: 2012-05-11
Filing date: 2012-05-11
Publication date: 2012-12-12
Anticipated expiration: 2022-05-11

Abstract

The utility model relates to a rotary shackle, and in particular provides a high-stability rotary shackle which is convenient to use and reliable in functions. The high-stability rotary shackle comprises a sleeve body and a shaft body, wherein the sleeve body is internally provided with a necking part; the shaft body penetrates through the necking part, and the end of the shaft body stretches into the part of the inner cavity of the sleeve body, with a larger radial size; the end is connected with an end cap; the necking part is located between the end cap and a thicker part of the shaft body, and therefore, the sleeve body and the shaft body form a structure which can be limited in the axial direction and can be rotated relatively; the sleeve body and the shaft body are connected with a first U-shaped ring and a second U-shaped ring respectively; and together with the sleeve body, the first U-shaped ring connected with the sleeve body can be rotated relative to the shaft body and the second U-shaped ring. The high-stability rotary shackle provided by the utility model has a simple structure, and is convenient to machine and operate; a copper washier cannot be rusted in sea water or other complex environments, and can always be freely rotated with the end cap and the sleeve body, thus ensuring reliable rotation and high stability for the shackle; and the shackle is especially fit for ship anchor chain connection and ocean platform anchor chain connection.

Description

The swivel shackle of high stability

Technical field

The utility model relates to attaching parts, is specifically related to the swivel shackle of two parts that can rotate each other of a kind of connection.

Background technology

Shackle is an instrument common in the hanging device, generally includes two coupling ends, and two coupling ends are respectively applied for connecting shackle or similar parts.The shackle of prior art, the simplest for example application number are that 03238150.6 Chinese patent is disclosed, by clevis eye two ends pin-and-hole are set, and pin-and-hole connects a pin and constitutes.The top of clevis eye and pin are respectively applied for connection suspension hook to be connected or like respectively as a coupling end.Such shackle is simple in structure, but two coupling ends can not rotate each other, and two suspension hooks of institute's bonded assembly can not rotate each other, need when connecting, confirm the angle orientation of two suspension hooks, otherwise causes distortion to damage easily, and shackle is used inconvenient.

Application number is that 200920030727.9 Chinese patent discloses a kind of breast-stroke and connects swivel shackle; Comprise two closed ends, top opposed U-shaped ring just; The termination of one of them clevis eye connects a double-screw bolt and wears in the through hole that is connected in another clevis eye top; The projecting end that double-screw bolt stretches out through hole connects adaptive nut, pin-and-hole so is set on the open end of latter two clevis eye connects pin, and suspension hook to be connected just is connected on the pin; Such shackle has rotatable function because of the effect of middle part double-screw bolt and through hole, nut, and use further facilitates.But such shackle parts are many, and structure is too complicated, and processing is used all inconvenient, simultaneously when occasions such as marine ship are used, easy corrosion clamping stagnation, rotate dumb, the poor work stability of shackle just.

Summary of the invention

The purpose of the utility model provides a kind of easy to use, the swivel shackle of the high stability of reliable in function.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of swivel shackle of high stability is characterized in that: comprise body and axis body, near the inwall body one end is to projecting inward formation necking part; Axis body is the stepped shaft shape; The end that axis body is thinner passes this necking part, and the termination extends to cover intracoelomic cavity radial dimension bigger position, this termination end cap that is threaded; Described necking part makes body and axis body constitute axial limiting, relatively turnable structure on end cap and the axis body between the thicker part position; Connect first clevis eye on the body, connect second clevis eye on the axis body, the top of first, second clevis eye is towards on the contrary; Between described end cap and the necking part copper washer is set.

The beneficial effect of the utility model is: after adopting said structure; Body and axis body are because constitute the normal-running fit of axial limiting between the position that radial dimension is bigger on end cap and necking part and the axis body; So with body bonded assembly first clevis eye can with body, rotate with respect to axis body and second clevis eye; The top of first, second clevis eye is towards on the contrary; The projecting end that must be exactly both clevis eyes is connected on body and the axis body, and the closed end of clevis eye, top parts such as connecting shackle had easily just both been realized two rotating functions of clevis eye so; Parts such as connecting pin have been saved again; So simple in structure, processing is used all more convenient, and structural strength is also better.Even especially copper washer can corrosion in seawater or other complex environment yet, and is free to rotate all the time with end cap and body, guaranteed that the spinfunction of shackle is reliable, the stability of shackle just is also better.Therefore the utility model can be processed into all size model, is applied to a lot of occasions, is particluarly suitable for using in ship anchor chains connection, the connection of platform anchor chain.

Description of drawings

Fig. 1 is the perspective view of the utility model;

Fig. 2 is the component diagram of Fig. 1;

Fig. 3 is the sectional structure scheme drawing of the utility model.

The specific embodiment

In conjunction with Fig. 1,2, a kind of high stability swivel shackle shown in 3; Comprise body 10 and axis body 20; Near body 10 1 ends inwall is to projecting inward formation necking part 11, and axis body 20 is the stepped shaft shape, and axis body 20 thinner ends pass this necking part 11; And termination 21 extends to the bigger position of body 10 inner chamber radial dimensions; This termination 21 end cap 30 that is threaded, described necking part 11 makes body 10 and axis body 20 constitute axial limitings, relatively turnable structure on end cap 30 and the axis body 20 between the thicker part position; Connect first clevis eye 40 on the body 10, connect second clevis eye 50 on the axis body 20, the top of first,

second clevis eye

40,50 is towards on the contrary; Between described end cap 30 and the necking part 11 copper washer 60 is set.

As shown in Figure 3, the inner chamber that also can be regarded as body 10 is that the upper end is big, the little shape in lower end, and axis body 20 is up-small and down-big shape; Axis body 20 is provided with outside thread by inserting body 10 on the lower direction on axis body 20 upper ends 21, and adaptive connection inwall has the end cap 30 of screw thread; Axis body 20 is dumbbell shaped with end cap 30 integral body like this, and the middle part is embedded in the necking part 11, needs only too tight that end cap 30 revolves; Body 10 can freely rotate with axis body 20; As for described body 10 and axis body 20 axial limitings, both axial locations just that refer to are constant basically or suitable move place is arranged, as long as axis body 20 does not separate with body 10 and all can.Such shackle structure structural strength is reliable, and structure is simpler simultaneously, and processing is used all more convenient.Copper washer 60 has been avoided end cap 30 and necking part 11 surperficial direct contact wearing and tearing, and the areal deformation influence of avoiding both to contact is rotated.Copper washer 60 can also be changed simultaneously, prolongs the period of service of shackle.The more important thing is that copper washer can corrosion in seawater or other complex environment yet, and is free to rotate all the time with end cap 30 and body 10, guaranteed that the spinfunction of shackle is reliable, the working stability of shackle is better.

Further, described

body

10 and 40 welding of first clevis eye; Axis body 20 and the 50 one machine-shapings of second clevis eye.It is

semi-round groove

12,12` that described body 10 outer walls for example shown in Figure 2 are symmetrical set two cross-sectional planes, and described first clevis eye 40 two ends embed

groove

12,12` respectively and are welded as a whole.Body 10 outsides have no and block like this, are convenient to body 10 inner chamber machine-shapings.Simultaneously,

groove

12,12` are set after, groove 12 is inserted in first clevis eye, 40 ends, 12` can weld along the surperficial joint of body 10 and first clevis eye 40; Fusion length and area maximization; Firm welding, the clevis eye body is not damaged simultaneously, guarantees that the structural strength of parts is reliable.And axis body 20 itself waits processing because need not boring, thus can be easily and the 50 integrally casting moulding of second clevis eye, easy to process, intensity.

Further, described necking part 11 is near the edge rounding off of axis body 20 thicker part positions; Axis body 20 is positioned at the shape and necking part 11 shapes of the axle body of this necking part 11 and coincide.Just as shown in Figure 3; Necking part 11 lower edge are utilized hollows 111 transition; The intermediate location between thicker part position 22 and the thin position had both guaranteed the structural strength of axis body 20 also by the arc surface transition on the axis body 20 then, avoided again simultaneously and reduce to rotate wearing and tearing.Being beneficial to device prolongs service life.

Described axis body 20 and body 10 coaxial arrangement; The radial dimension of axis body 20 thicker part positions is slightly less than the radial dimension of body 10 end faces; And both recline mutually at facing surfaces, and the edge of body 10 end faces constitutes to press close to and around the bulge loop 112 of axis body 20 to second clevis eye, 50 directions protrusions.

That is to say that end cap 30 will be screwed into lets the upper surface of axis body 20 thicker part positions 22 and the position that body 10 lower surfaces recline; Bulge loop 112 forms blocking this connection seam; Such mechanism can avoid foreign material to get into this connection seam; Hinder relatively rotating of body 10 and axis body 20, particularly suitable in the occasion that marine ship anchor chain etc. has silt to exist.

Further, described end cap 30 integral body are positioned at body 10 inner chambers, end cap 30 on body 10 exterior end faces 32, a plurality of easy-to-mount connecting bores 31 are set.Because body 10 reclines with axis body 20 thicker part positions 22 mutually, just form a roughly fully enclosed chamber at body 10 inner chambers, the possibility that silt foreign material etc. get into body 10 inner chambers reduces, and prevents to rotate clamping stagnation.The port of better described body 10 is provided with seal cover cap.So just stopped the possibility that silt or foreign material get into body 10 inner chambers fully.Be more preferably, the port of described body 10 is provided with seal cover cap.So just stopped the possibility that silt or foreign material get into body 10 inner chambers fully.

Or described end cap 30 external diameters and body 10 internal diameters coincide, and end cap 30 is concordant with body 10 end faces towards body 10 exterior end faces 32.Just end cap 30 external diameters are suitable with body 10 internal diameters; Both guaranteed that end cap 30 can smooth and easy packing into, can smooth and easyly rotate again simultaneously, as shown in Figure 3ly can body 10 upper surfaces be concordant with 32 settings of end face up of end cap 30 exactly; So also can avoid foreign material or silt to get into, prevent to rotate clamping stagnation.Because of this structure setting is specifically not illustrate among Fig. 3 very simply and easily.At this moment, whether body 10 reclines with axis body 20 thicker part positions 22 and does not then require.

The swivel shackle of the utility model is through structural development, and structure is simpler, and intensity is more reliable; Not only process easy to usely, and intensity is good, and it is more reliable to work; Applied widely, especially be fit to the relatively poor occasion of environment for use, for example use on the anchor chain of marine ship or marine drilling platform.

Claims

1. the swivel shackle of a high stability; It is characterized in that: comprise body (10) and axis body (20); Near body (10) one ends inwall is to projecting inward formation necking part (11), and axis body (20) is the stepped shaft shape, and the end that axis body (20) is thinner passes this necking part (11); And termination (21) extend to the bigger position of body (10) inner chamber radial dimension; This termination (21) end cap (30) that is threaded, described necking part (11) are positioned at end cap (30) and axis body (20) is gone up between the thicker part position, makes body (10) and axis body (20) formation axial limiting, relatively turnable structure; Body (10) go up to connect first clevis eye (40), and axis body (20) is gone up and connected second clevis eye (50), and the top of first, second clevis eye (40,50) is towards on the contrary; Between described end cap (30) and the necking part (11) copper washer (60) is set.

2. the swivel shackle of high stability according to claim 1 is characterized in that: described body (10) and first clevis eye (40) welding; Axis body (20) and second clevis eye (50) one machine-shaping.

3. the swivel shackle of high stability according to claim 1, it is characterized in that: described necking part (11) is near the edge rounding off of axis body (20) thicker part position; Axis body (20) is positioned at the shape and necking part (11) shape of the axle body of this necking part (11) and coincide.

4. the swivel shackle of high stability according to claim 1; It is characterized in that: described axis body (20) and body (10) coaxial arrangement; The radial dimension of axis body (20) thicker part position is slightly less than the radial dimension of body (10) end face; And both recline mutually at facing surfaces, and the edge of body (10) end face constitutes to press close to and around the bulge loop (112) of axis body (20) to second clevis eye (50) direction protrusion.

5. the swivel shackle of high stability according to claim 1; It is characterized in that: described end cap (30) integral body is positioned at body (10) inner chamber, end cap (30) a plurality of easy-to-mount connecting bores (31) are set on the exterior end face of body (10) (32).

6. the swivel shackle of high stability according to claim 5, it is characterized in that: the port of described body (10) is provided with seal cover cap.

7. the swivel shackle of high stability according to claim 1 is characterized in that: described end cap (30) external diameter and body (10) internal diameter coincide, and end cap (30) is concordant with body (10) end face towards the exterior end face of body (10) (32).