CN211496727U

CN211496727U - Portable chain block

Info

Publication number: CN211496727U
Application number: CN201921876128.9U
Authority: CN
Inventors: 郁正叶; 季丽萍; 田玉麟; 郁程
Original assignee: Changshu Seagull Crane & Hoist
Current assignee: Changshu Seagull Crane & Hoist
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-09-15
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a portable chain block relates to chain block's technical field, when aiming at solving the iron chain and putting into chain block's shell and protect, need take the iron chain and place the shell again, at this in-process iron chain meeting winding, and at the in-process of taking, iron rust and lubricating oil on the iron chain also can make the inconvenient problem of taking. Its technical scheme main points are that the bottom of chain block body is provided with chain block chain and iron hoist chain and lifting hook, and the fixed hook is located the top of chain block body, is connected with a pair of in-connection pole on the box body, rotates on the chain block body to be connected with the outer joint pole, and the other end is provided with the inside groove that supplies the in-connection pole to stretch into. Be provided with the fixed orifices on the interconnection connects the pole, set up the fixed slot on the lateral wall of outer connecting rod and inwards extend to and communicate with the fixed orifices along the lateral wall of outer connecting rod, spacing axle passes the fixed slot, stretches into the fixed orifices and carries on spacingly. Reach the effect of more conveniently accomodating chain block.

Description

Portable chain block

Technical Field

The utility model belongs to the technical field of chain block's technique and specifically relates to a portable chain block is related to.

Background

At present, in the short-distance hoisting of small-sized equipment and goods, the chain block is very widely applied, and when the chain block is used for hoisting heavy objects, the chain block has the characteristics of safety, reliability, simple and convenient maintenance, high mechanical efficiency and lighter weight and is convenient to carry, so that the chain block has more advantages in outdoor and powerless operation.

The current chinese patent with the grant bulletin number of CN208500210U discloses a portable chain block, which comprises a housing and a chain block body, be provided with connecting block one, connecting block two, connecting rod and battery in the housing, the connecting block passes through wire rope and is connected with the inside wall of housing, the top of connecting block one is provided with bee calling organ, connecting block one is provided with electrode slice one, be provided with electrode slice two and through-hole on the connecting block two, the through-hole setting is passed to the one end of connecting rod in the bottom of connecting block one, the chain block body sets up on the other end of connecting rod, the bottom of chain block body is provided with iron chain one, iron chain two and jack-up hook.

The above prior art solutions have the following drawbacks: when putting into chain block's shell with the iron chain and protecting, need take the iron chain and place the shell again, the iron chain probably produces the winding at this in-process, and at the in-process of taking moreover, rust and lubricating oil on the iron chain also can make the inconvenience of taking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable chain block, it has the effect at more convenient storage iron chain and iron hook.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a portable chain block comprises a chain block body, a box body and a fixed hook, wherein a chain block chain and an iron hoisting chain are arranged at the bottom of the chain block body, the lower end of the iron hoisting chain is provided with the hoisting hook, the fixed hook is positioned at the top end of the chain block body, a pair of internal connecting rods is connected onto the box body, an external connecting rod is connected onto the chain block body, one end, close to the chain block body, of the external connecting rod is rotatably connected with the chain block body, and an internal groove for the internal connecting rods to extend into is formed in the other end of the external connecting rod; the inner connecting rod is provided with a fixing hole, the outer side wall of the outer connecting rod is provided with a fixing groove, and the fixing groove extends inwards along the outer side wall of the outer connecting rod to be communicated with the fixing hole; the portable chain block further comprises a limiting shaft, and the limiting shaft penetrates through the fixing groove to extend into the fixing hole for limiting.

Through adopting above-mentioned technical scheme, when extracting spacing axle, drop-down box body for the box body is connected to the in-connection pole and the outer joint lever separation, can place hand power iron chain, jack-up iron chain in the box body this moment, push back the box body to the interior joint lever completely get into the outer joint lever after, insert spacing axle and fix the box body.

The utility model discloses further set up to: be provided with the stopper on the internal connecting rod, be provided with the spacing groove along the length direction of external connecting rod on the inside wall of external connecting rod, the stopper stretches into in the spacing groove.

Through adopting above-mentioned technical scheme, when the box body that draws down makes the box body drive in-connection pole and outer connecting rod separation back, the stopper supports the one end that is close to the box body at the spacing groove, makes the box body no longer remove, places hand power iron chain, jack-up iron chain and jack-up hook in the box body this moment, upwards promotes the box body again and fixes the box body.

The utility model discloses further set up to: the outer side wall of the inner connecting rod is provided with a ball groove, and balls are embedded in the ball groove.

Through adopting above-mentioned technical scheme, the setting of ball can reduce the frictional force between interior connecting rod and the outer joint rod.

The utility model discloses further set up to: be provided with the receiver between fixed hook and the chain block body, the top of receiver is provided with the groove of accomodating that supplies the fixed hook to pass, the fixed hook passes receiver and this body coupling of chain block through accomodating the groove, be provided with the fixed block on the fixed hook, the fixed block is located between receiver and the chain block body.

Through adopting above-mentioned technical scheme, the receiver can be arranged in accomodating the box with the fixed hook, plays the guard action to the fixed hook.

The utility model discloses further set up to: the rubber sheet that the groove was accomodate in the cover is provided with on the receiver, the area of rubber sheet is more than or equal to the area of accomodating the groove, set up the access & exit that supplies the fixed hook to pass on the rubber sheet.

Through adopting above-mentioned technical scheme, the setting of sheet rubber can prevent to get into the dust in the receiver, keeps the inside clean of receiver.

The utility model discloses further set up to: the storage box is provided with a fixing ring, the box body is provided with a hook buckle, and the hook buckle is used for buckling the fixing ring when the box body is rotated to a position far away from the hand-pull iron chain for fixing.

Through adopting above-mentioned technical scheme, when using chain block, the box body is affiliated to on the receiver to the solid fixed ring of accessible and fixed hook's cooperation, prevents that the box body from disturbing the operation.

The utility model discloses further set up to: the chain block body is a cylinder, and one end of the box body close to the chain block body is arranged to be an arc-shaped surface corresponding to the bottom end of the chain block body.

Through adopting above-mentioned technical scheme, the setting of arcwall face more laminates the terminal surface of calabash body, also can make the box body play better storage effect to chain block, jack-up iron chain and jack-up hook.

The utility model discloses further set up to: the side wall of the fixed groove is provided with a sliding groove, a spring piece is arranged in the sliding groove and fixedly connected with the limiting shaft, a spring is further arranged in the sliding groove, one end of the spring abuts against the spring piece, and the other end of the spring abuts against the inner wall of one side, away from the fixed hole, of the sliding groove.

Through adopting above-mentioned technical scheme, after extracting spacing axle, put into the box body with hand power iron chain, jack-up iron chain and jack-up hook, can directly fix interior connecting rod and outer connecting rod through the rebound effect of spring this moment, convenient and fast more.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the chain block body, the box body, the fixed hook, the inner connecting rod and the outer connecting rod, the box body is convenient for accommodating the iron chain, the hoisting iron chain and the hoisting hook, and the carrying of the chain block is convenient;

2. through the setting of receiver, storage groove, sheet rubber, can accomodate the fixed hook and accomodate the box, prevent the damage of fixed hook, the sheet rubber also can keep the inside cleanness of receiver.

Drawings

Fig. 1 is a schematic view of the overall structure of a portable chain block according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a portable chain block according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of the portable chain block according to the embodiment of the present invention;

fig. 5 is another schematic structural diagram of the portable chain block according to the embodiment of the present invention.

In the figure, 1, a chain block body; 11. a fixed hook; 111. a hook body; 112. a connecting rod; 113. a fixed block; 12. pulling an iron chain by hand; 13. a hoisting iron chain; 14. a lifting hook; 2. A box body; 21. an inner connecting rod; 211. a fixing hole; 212. a limiting block; 213. a ball groove; 214. a ball bearing; 22. an outer connecting rod; 221. fixing grooves; 223. A limiting groove; 224. a sliding groove; 23. an inner tank; 24. Hooking and buckling; 25. a limiting shaft; 261. a spring; 262. a spring plate; 3. a storage box; 32. A receiving groove; 33. a rubber sheet; 34. And (4) fixing the ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a portable chain block, including chain block body 1, box body 2, fixed hook 11 is located the top of chain block body 1, is connected with a pair of in-connection pole 21 on the box body 2. The inner connecting rod 21 is sleeved with an outer connecting rod 22; specifically, the chain block body 1 is connected with an outer connecting rod 22, one end of the outer connecting rod 22 close to the chain block body 1 is rotatably connected with the chain block body 1, and the other end is provided with an inner groove 23 for the inner connecting rod 21 to extend into. The bottom of the chain block body 1 is provided with a chain block chain 12 and a hoisting iron chain 13, and the lower end of the hoisting iron chain 13 is provided with a hoisting hook 14. One side of box body 2 is provided with clasp 24, and one side of receiver is provided with solid fixed ring 34, and clasp 24 corresponds the cooperation with solid fixed ring 34, and clasp 24 is used for detaining solid fixed ring 34 when rotating box body 2 to keeping away from hand power iron chain 12 and fixing.

Referring to fig. 1 and 2, a limiting block 212 is arranged on the inner connecting rod 21, a limiting groove 223 is arranged on the inner side wall of the outer connecting rod 22 along the length direction of the outer connecting rod 22, the limiting block 212 extends into the limiting groove 223, the length of the limiting groove 223 can meet the requirement that the inner connecting rod 21 is pulled outwards, so that the box body 2 is used for accommodating the hoisting iron chain 13, the hand-pulling iron chain 12 and the hoisting hook 14, the bottommost ends of the hoisting iron chain 13, the hand-pulling iron chain 12 and the hoisting hook 14 are higher than the top end of the box body 2, and the inner connecting rod 21 can be completely covered by the outer connecting rod 22 after the hoisting iron chain 13, the hand-pulling iron chain 12 and the hoisting hook 14 are accommodated by the box body.

Referring to fig. 2 and 3, the inner connecting rod 21 is provided with a fixing hole 211, the outer side wall of the outer connecting rod 22 is provided with a fixing groove 221, the fixing groove 221 extends inwards along the outer side wall of the outer connecting rod 22 to be communicated with the fixing hole 211, the portable chain block further comprises a limiting shaft 25, and the limiting shaft 25 penetrates through the fixing groove 221 to extend into the fixing hole 211 for limiting. The side wall of the fixing groove 221 is provided with a sliding groove 224 along the circumferential direction of the fixing groove 221, a spring piece 262 is arranged in the sliding groove 224, the spring piece 262 is fixedly connected with the limiting shaft 25, the limiting shaft 25 is sleeved with a spring 261, one end of the spring 261 abuts against the spring piece 262, and the other end of the spring abuts against the inner wall of the side, away from the fixing hole 211, of the sliding groove 224. The outer link 22 is divided into upper and lower portions with reference to a horizontal plane which divides the fixing groove 221 into two equal upper and lower portions in the insertion direction of the stopper shaft 25, and the outer link 22 is formed by welding the two portions. When the limiting shaft 25 is pulled outwards, the spring piece 262 compresses the spring 261 until the limiting shaft 25 is completely moved out of the fixing hole 211, at this time, the outer connecting rod 22 can be pulled towards the direction far away from the inner connecting rod 21, after the storage is finished, the inner connecting rod 21 is completely inserted into the inner groove 23, the limiting shaft 25 is released at this time, and the limiting shaft 25 can be rebounded to the fixing hole 211 by the elastic force of the elastic deformation of the spring 261 to be limited.

Referring to fig. 4, the outer side wall of the inner connecting rod 21 is provided with a ball groove 213, a ball 214 is embedded in the ball groove 213, and the depth of the ball groove 213 is greater than the radius of the ball 214. The horizontal plane dividing the ball groove 213 into two equal parts along the lowest point of the concave surface of the ball groove 213 is the reference plane, and the inner connecting rod 21 is divided into several parts, and the inner connecting rod 21 is formed by welding the parts.

Referring to fig. 5, the fixing hook 11 includes a hook body 111 and a connecting rod 112, the connecting rod 112 is a cylinder, a storage box 3 for accommodating the fixing hook 11 is arranged between the fixing hook 11 and the chain block body 1, the top end of the storage box 3 is provided with an accommodating groove 32 for the fixing hook 11 to pass through, the bottom end of the storage box 3 is provided with a connecting hole for the connecting rod 112 to pass through, the diameter of the connecting hole is equal to that of the connecting rod 112, and the connecting rod 112 passes the storage box 3 through the accommodating groove 32 and penetrates out of the connecting hole to be connected with the chain block body 1.

Referring to fig. 5, the connecting rod 112 is provided with a fixing block 113, and the fixing block 113 is located between the accommodating box 3 and the chain block body 1. The storage box 3 is provided with a rubber sheet 33 covering the storage groove 32, the rubber sheet 33 is located at the bottom end of the storage groove 32 and has an area equal to the area of the storage groove 32, and the rubber sheet 33 is provided with an inlet and an outlet for the fixing hook 11 to pass through. When the fixed hook 11 is using, fixed receiver 3 upwards promotes chain block body 1 to drive fixed hook 11 and move up, make fixed block 113 can block in receiver 3's bottom, guarantee that fixed hook 11 can hang fixedly, when fixed hook 11 accomodates to receiver 3, because the restriction of the diameter of connecting hole, make fixed hook 11 still be located receiver 3, thereby play the guard action. The chain block body 1 is a cylinder, one end of the box body 2 close to the chain block body 1 is set to be an arc-shaped surface corresponding to the bottom end of the chain block body 1, and the arc-shaped surface of the box body 2 is matched with the bottom end of the chain block body 1.

The implementation principle of the embodiment is as follows:

when using portable chain block, at first buckle the solid fixed ring 34 with the buckle 24, be about to box body 2 fixes on receiver 3, can stimulate chain block 12 to carry out work.

After the use, the hook 24 is unfastened, so that the box body 2 rotates to the position right below the chain block body 1. At this time, the limiting shaft 25 is pulled outwards, the box body 2 is pushed upwards, the inner connecting rod 21 moves in the direction close to the outer connecting rod 22, the hand-pulling iron chain 12, the lifting iron chain 13 and the lifting hook 14 which are arranged above the box body 2 are completely contained in the box body 2, after the inner connecting rod 21 is confirmed to be completely inserted into the outer connecting rod 22, the limiting shaft 25 is released, the limiting shaft 25 is inserted into the fixing hole 211 under the resilience force of the spring 261, and the hand-pulling iron chain 12, the lifting iron chain 13 and the lifting hook 14 are completely contained in the box body 2 at this time. Finally, the storage box 3 is pushed up to store the fixing hook 11 in the storage box 3, and in this state, since the fixing hook 11 is stored in the storage box 3 and the entrance and exit of the rubber sheet 33 are completely closed, the fixing hook 11 does not automatically extend out of the storage box 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a portable chain block, includes chain block body (1), box body (2), fixed hook (11), the bottom of chain block body (1) is provided with chain block (12) and hoisting iron chain (13), the lower extreme of hoisting iron chain (13) is provided with hoisting hook (14), its characterized in that: the fixing hook (11) is positioned at the top end of the chain block body (1), the box body (2) is connected with a pair of inner connecting rods (21), the chain block body (1) is connected with an outer connecting rod (22), one end, close to the chain block body (1), of the outer connecting rod (22) is rotatably connected with the chain block body (1), and the other end of the outer connecting rod is provided with an inner groove (23) into which the inner connecting rods (21) extend; the inner connecting rod (21) is provided with a fixing hole (211), the outer side wall of the outer connecting rod (22) is provided with a fixing groove (221), and the fixing groove (221) extends inwards along the outer side wall of the outer connecting rod (22) to be communicated with the fixing hole (211); the portable chain block further comprises a limiting shaft (25), and the limiting shaft (25) penetrates through the fixing groove (221) to stretch into the fixing hole (211) for limiting.

2. The portable chain block of claim 1, wherein: be provided with stopper (212) on in-connection pole (21), be provided with spacing groove (223) along the length direction of outer connecting rod (22) on the inside wall of outer connecting rod (22), stopper (212) stretch into in spacing groove (223).

3. The portable chain block of claim 2, wherein: the outer side wall of the inner connecting rod (21) is provided with a ball groove (213), and balls (214) are embedded in the ball groove (213).

4. The portable chain block of claim 1, wherein: be provided with receiver (3) between fixed hook (11) and chain block body (1), the top of receiver (3) is provided with accomodate groove (32) that supplies fixed hook (11) to pass, fixed hook (11) are passed receiver (3) through accomodating groove (32) and are connected with chain block body (1), be provided with fixed block (113) on fixed hook (11), fixed block (113) are located between receiver (3) and chain block body (1).

5. The portable chain block of claim 4, wherein: be provided with rubber piece (33) that the cover was accomodate groove (32) on receiver (3), the area of rubber piece (33) is more than or equal to the area of accomodating groove (32), set up the access & exit that supplies fixed hook (11) to pass on rubber piece (33).

6. The portable chain block of claim 5, wherein: the storage box (3) is provided with a fixing ring (34), the box body (2) is provided with a hook buckle (24), and the hook buckle (24) is used for buckling the fixing ring (34) when the box body (2) is rotated to be far away from the hand-pulled iron chain (12) for fixing.

7. The portable chain block of claim 1, wherein: the chain block body (1) is a cylinder, and one end of the box body (2) close to the chain block body (1) is arranged to be an arc-shaped surface corresponding to the bottom end of the chain block body (1).

8. The portable chain block of claim 1, wherein: be provided with on the lateral wall of fixed slot (221) sliding tray (224), be provided with spring leaf (262) in sliding tray (224), spring leaf (262) and spacing axle (25) fixed connection, still be provided with spring (261) in sliding tray (224), spring (261) one end offsets with spring leaf (262), and the other end offsets with the inner wall of sliding tray (224) the one side of keeping away from fixed orifices (211).