CN213834198U - Quick assembly disassembly formula shackle - Google Patents

Abstract

The utility model relates to a quick dismounting shackle, which comprises a body, a pin shaft, a stop pin, a gasket, a spring and a nut, wherein the body is in an inverted U shape, the pin shaft is transversely inserted into a front pin hole and a rear pin hole arranged on the body, the packing ring, a spring, the equal suit of nut is at the back end of round pin axle, the internal diameter of packing ring is less than the anterior segment diameter of round pin axle, the external diameter of packing ring is greater than the anterior segment diameter of round pin axle and is greater than the diameter of back pinhole, nut and round pin axle threaded connection, the front end of spring supports the rear end at the packing ring, the rear end of spring supports on the nut, spaced apart keyway and the recess of being equipped with on the pore wall of preceding pinhole, the keyway is for following the logical groove of fore-and-aft direction and being located the recess top, the backing pin links firmly at the round pin axle front end, the head of backing pin surpasss the surface of round pin axle anterior segment, the height that the backing pin head surpassed round pin axle anterior segment is less than the keyway, the degree of depth of recess, the backing pin can follow the keyway and slide and block in the recess. The utility model discloses quick assembly disassembly formula is broken out, in the hoist and mount operation occasion of frequent dismouting, has improved the operating efficiency, has reduced intensity of labour.

Description

Quick assembly disassembly formula shackle

Technical Field

The utility model belongs to the hoisting machinery field, concretely relates to quick assembly disassembly formula is broken out.

Background

As shown in fig. 1, the existing shackle for W-shaped pin shafts mainly comprises a body 1 ' and a pin shaft 2 ', wherein in the hoisting process, the pin shaft 2 ' is rotated to completely connect the threaded part at the top of the pin shaft 2 ' with the threaded part of the body 1 ' and then perform hoisting operation, and in the hoisting operation occasion of frequent dismounting, the pin shaft needs to be frequently dismounted and screwed because the pin shaft and the body are in threaded connection, the pin shaft needs to be frequently screwed and unscrewed, thereby resulting in low operation efficiency and increased labor intensity.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a quick assembly disassembly formula is broken out, and it can improve the operating efficiency in the hoist and mount operation occasion of frequent dismouting, reduces intensity of labour.

The utility model discloses quick assembly disassembly formula is broken out, which comprises a body, the round pin axle, the body is the U-shaped of invering, the round pin axle transversely inserts in preceding pinhole and the back pinhole that the body set up, still include the backing pin, the packing ring, a spring, the nut, the round pin axle is the step shaft, the anterior segment diameter of round pin axle is greater than the back end diameter, the packing ring, a spring, the equal suit of nut is at the back end of round pin axle, the internal diameter of packing ring is less than the anterior segment diameter of round pin axle, the external diameter of packing ring is greater than the anterior segment diameter of round pin axle and is greater than the diameter of back pinhole, the packing ring is fixed on the round pin axle, nut and round pin axle threaded connection, the front end of spring supports the rear end face at the packing ring, the rear end of spring supports on the nut, spaced apart keyway and being equipped with keyway and recess on the pore wall of preceding pinhole, the keyway is the logical groove along the fore-and back direction, the keyway is located the top of recess, backing pin fixed connection is at round pin axle front end, the head of backing pin axle anterior segment, the surface that the head of backing pin exceeds the round pin axle, the head of backing pin, the height that the round pin head surpasss the round pin axle anterior segment is less than the keyway, the keyway, The depth of the groove enables the stop pin to slide along the key groove and be clamped in the groove.

The utility model discloses quick assembly disassembly formula is broken out, wherein, still includes the split pin, and the split pin is vertical to be inserted in round pin axle and the nut.

The utility model discloses quick assembly disassembly formula is broken out, wherein, keyway and recess interval 180 degrees settings.

The utility model discloses quick assembly disassembly formula is broken out, wherein, backing pin threaded connection is at round pin axle front end.

The utility model discloses quick assembly disassembly formula is broken out, lies in with prior art's difference: be provided with keyway and recess, when the dress was broken out, promote the round pin axle forward, the round pin axle can be followed the keyway and slided and realize quick installation in the card income recess, the spring was compressed this moment, backing pin chucking is automatic locking of round pin axle and can not deviate from in the recess under the reaction force of spring, when the dismantlement was buckled, promote the round pin axle forward and make the backing pin separate from the recess, it withdraws from to rotate backing pin keyway department after the separation, quick dismantlement has been realized, do not adopt threaded connection between round pin axle and the body, need not frequently screw the unscrewing round pin axle, it can improve the operating efficiency in the hoist and mount operation occasion of frequent dismouting, and the labor intensity is reduced.

The quick assembly disassembly type shackle of the present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a prior art shackle for a W-shaped pin;

FIG. 2 is a right side view of the quick release shackle of the present invention, also showing a state of installation and locking;

FIG. 3 is a front view of the quick release shackle of the present invention;

FIG. 4 is a diagram showing the state of the stop pin separated from the body groove in the quick release buckle of the present invention;

FIG. 5 is a view from the direction A of FIG. 4;

FIG. 6 is a diagram showing the state of the pin and the stop pin of the quick release shackle after being rotated 180 degrees;

FIG. 7 is a view from the direction B of FIG. 6;

FIG. 8 is a view showing the quick release shackle in a state where the stopper pin is completely withdrawn through the body key groove;

fig. 9 is a view in the direction C of fig. 8.

Detailed Description

As shown in figures 2 and 3, the utility model discloses a quick assembly disassembly type shackle, including body 1, round pin axle 2, backing pin 4, packing ring 5, spring 6, nut 7, body 1 is the U-shaped of inversion, round pin axle 2 transversely inserts in the front pinhole 11 and the back pinhole 12 that body 1 set up, round pin axle 2 is the step shaft, including anterior segment and back end, the anterior segment diameter of round pin axle 2 is greater than the back end diameter, packing ring 5, spring 6, nut 7 all suit is in the back end of round pin axle 2, the internal diameter of packing ring 5 is less than the anterior segment diameter of round pin axle 2, the external diameter of packing ring 5 is greater than the anterior segment diameter of round pin axle 2 and is greater than the diameter of back pinhole 12, the packing ring is fixed on round pin axle, nut 7 and round pin axle 2 threaded connection, nut 7 is provided with interior step face 71 (see figure 2), the front end of spring 6 supports the rear end face at packing ring 5, the rear end of spring 6 supports on the interior step face 71 of nut 7, the pore wall 13 and recess 14 are equipped with along vertical direction interval on the front pinhole 11, keyway 13 is for following the logical groove of fore-and-aft direction, and keyway 13 is located the top of recess 14 and the setting of 180 degrees intervals, and backing pin 4 threaded connection is at round pin axle 2 front end, and backing pin 4 can slide and block in the recess 14 along keyway 13.

As shown in fig. 2 and 3, the tail part of the stop pin 4 is in threaded connection with the pin shaft 2, the head part of the stop pin 4 exceeds the outer surface of the front section of the pin shaft 2, the height of the head part of the stop pin 4 exceeding the front section of the pin shaft 2 is smaller than the depth of the key groove 13 and the groove 14, and the stop pin 4 is in sliding fit with the key groove 13.

The utility model discloses quick assembly disassembly formula is broken out and is still included split pin 3, and the vertical round pin axle 2 of inserting of split pin 3 and nut 7. The nut 7 does not need to be adjusted after installation, so that the stop pin is matched with the groove part in the hole of the body, the positioning effect is realized, and the displacement of the nut is also prevented.

As shown in fig. 2, the key slot 13 and the groove 14 are both disposed at the front ball head portion of the body 1, no open area is disposed at the rear ball head portion of the body 1, the groove 14 is disposed at the front end face of the front ball head portion of the body, and due to the blocking effect of the stop pin 4, the pin shaft 2 and the body 1 cannot be separated from each other after being assembled. During disassembly, the pin shaft 2 is pushed forwards, so that the stop pin 4 is separated from the groove 14 at the lower part of the body (see fig. 4 and 5), the rotation is carried out for 180 degrees, and the stop pin 4 is withdrawn through the key groove 13 at the upper part of the body, so that the disassembly is realized (see fig. 6-9). During installation, the pin shaft 2 is pushed forwards, the stop pin 4 penetrates through the key groove 13 in the upper part of the body, the stop pin is clamped into the groove 14 in the lower part of the body (see figure 2) by rotating 180 degrees, and the pin shaft 2 is automatically locked through the reaction force of the spring 6, so that installation is realized.

The utility model discloses quick assembly disassembly formula is broken out beneficial effect as follows:

1) the pin shaft is fixed at the groove through the stop pin, the pin shaft can be quickly connected or separated from the body only by rotating 180 degrees, the quick assembly and disassembly between the hoisted object and the hoisting rigging are realized in the operating occasion of frequent assembly and disassembly, the operating efficiency is improved, the labor intensity is reduced, the structure is simple, the operation is convenient,

2) the split pin is arranged, so that the nut does not need to be adjusted after installation, and the stop pin is directly matched with the groove part in the hole of the body after the split pin is inserted, so that the displacement of the nut is prevented while the positioning effect is realized;

3) the head part of the ball at one side of the body is provided with a key groove and a groove, and the other side of the body is not provided with any open area, so that the pin shaft cannot be separated from the body after being assembled due to the blocking effect of the stop pin;

4) the spring is automatically locked through the counterforce of the spring, so that the safety performance is greatly improved while the installation is realized.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (4)

1. The utility model provides a quick assembly disassembly formula is broken out, includes body (1), round pin axle (2), and body (1) is the U-shaped of invering, and round pin axle (2) transversely insert preceding pinhole (11) and back pinhole (12) that body (1) set up in its characterized in that: the pin shaft is characterized by further comprising a stop pin (4), a gasket (5), a spring (6) and a nut (7), the pin shaft (2) is a stepped shaft, the diameter of the front section of the pin shaft (2) is larger than that of the rear section, the gasket (5), the spring (6) and the nut (7) are sleeved on the rear section of the pin shaft (2), the inner diameter of the gasket (5) is smaller than that of the front section of the pin shaft (2), the outer diameter of the gasket (5) is larger than that of the front section of the pin shaft (2) and larger than that of a rear pin hole (12), the gasket (5) is fixed on the pin shaft (2), the nut (7) is in threaded connection with the pin shaft (2), the front end of the spring (6) abuts against the rear end face of the gasket (5), the rear end of the spring (6) abuts against the nut (7), key grooves (13) and grooves (14) are arranged on the hole wall of the front pin hole (11) at intervals, the key grooves (13) are through grooves in the front and back direction, the key grooves (13) are located above the grooves (14), stop pin (4) fixed connection is in round pin axle (2) front end, and the head of stop pin (4) surpasss the surface of round pin axle (2) anterior segment, and the height that stop pin (4) head surpassed round pin axle (2) anterior segment is less than the degree of depth of keyway (13), recess (14), and stop pin (4) can be followed keyway (13) and slided and block in recess (14).

2. The quick disconnect shackle of claim 1, wherein: the novel anti-theft lock is characterized by further comprising a split pin (3), wherein the split pin (3) is vertically inserted into the pin shaft (2) and the nut (7).

3. The quick disconnect shackle of claim 2, wherein: the key groove (13) and the groove (14) are arranged at an interval of 180 degrees.

4. The quick disconnect shackle of claim 3, wherein: the stop pin (4) is in threaded connection with the front end of the pin shaft (2).

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