CN213505727U

CN213505727U - Novel chain block

Info

Publication number: CN213505727U
Application number: CN202022714474.6U
Authority: CN
Inventors: 杨艳滨
Original assignee: Hebei Pazak Lifting Machinery Manufacturing Co ltd
Current assignee: Hebei Pazak Lifting Machinery Manufacturing Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-22
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a novel chain block, including first casing, second casing with set up in first casing with major axis between the second casing, the cover is equipped with hand sprocket, ratchet, stopper seat and jack-up sprocket in proper order on the major axis, the jack-up sprocket both sides are provided with left plate and right board respectively, first bearing is worn to be equipped with at left plate middle part, jack-up sprocket one end warp first bearing with major axis connection, the second bearing is worn to be equipped with at right plate middle part, the jack-up sprocket other end warp the second bearing with major axis connection, the jack-up sprocket is close to the inside of one side of right side board is provided with the third bearing, the second casing with the major axis is connected through the fourth bearing. The utility model adopts the above structure a novel chain block has three points and contains the design of four bearings a bit, effectively becomes rolling friction to sliding friction, makes the hand power obtain fine conduction, and the hand power alleviates greatly.

Description

Novel chain block

Technical Field

The utility model relates to a chain block technical field especially relates to a novel chain block.

Background

The chain block is a manual hoisting machine which is simple to use and convenient to carry, and is also called a chain block. The chain block has the characteristics of safety, reliability, light self weight, portability, small size and simplicity in operation, and the chain block can be pulled by small hand pulling force to quickly lift goods, so that the chain block is a manual hoisting device with wide application.

Although the chain block is convenient to use, the hand chain is pulled by the pulling force of the hand in the using process, and then the hand chain wheel is driven to pull up heavy objects, so that the labor is still wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel chain block to solve the hard problem of above-mentioned chain block hand power.

In order to achieve the above object, the utility model provides a novel chain block, including first casing, second casing with set up in first casing with major axis between the second casing, the cover is equipped with hand sprocket, ratchet, brake seat and jack-up sprocket in proper order on the major axis, the jack-up sprocket both sides are provided with left plate and right board respectively, first bearing is worn to be equipped with at left plate middle part, jack-up sprocket one end warp first bearing with major axis connection, the second bearing is worn to be equipped with at right plate middle part, the jack-up sprocket other end warp the second bearing with major axis connection, jack-up sprocket is close to the inside of one side of right board is provided with the third bearing, the second casing with the major axis is connected through the fourth bearing.

Preferably, the third bearing is a roller bearing, the roller bearing comprises a bearing inner ring and a bearing outer ring, and a plurality of rollers are arranged between the bearing outer ring and the bearing inner ring.

Preferably, a plurality of axially-arranged accommodating grooves are formed in the bearing outer ring, the top end of the roller and the bottom end of the roller are respectively connected with the top end of the accommodating groove and the bottom end of the accommodating groove in a rotating mode through connecting pieces, one side of the outer wall of the roller is arranged in the accommodating groove, and the other side of the outer wall of the roller penetrates through the bearing inner ring.

Preferably, the connecting piece include with holding tank fixed connection's buffer spring, buffer spring and connecting rod fixed connection, the connecting rod with the roller bearing rotates to be connected.

Preferably, a plurality of oil inlet grooves are formed in the bearing outer ring, an annular oil duct is arranged at the bottom of each oil inlet groove, and a plurality of oil guide holes are formed in the annular oil duct corresponding to the containing grooves.

Therefore, the utility model adopts the above structure a novel chain block has following beneficial effect:

1. three points of left board, right board and second casing are provided with first bearing, second bearing and fourth bearing respectively, and the inside third bearing that still is provided with of hoisting sprocket simultaneously, and three points contain the bearing design of a little, effectively turns into the roll with sliding, makes hand power obtain fine conduction when using chain block, and hand power lightens.

2. The third bearing is a roller bearing, is provided with a plurality of rollers, converts sliding into rolling, and simultaneously rotates to transmit hand pulling force from the hand sprocket to the lifting wheel to complete the lifting process of the heavy object.

3. The roller bearing is provided with an oil inlet groove, an annular oil duct and an oil guide hole, lubricating oil enters the annular oil duct from the oil inlet groove and is fed into the accommodating groove through the oil guide hole, and the rolling rotation of the roller is smoother.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a novel chain block of the present invention;

fig. 2 is a schematic structural view of a hoisting sprocket of an embodiment of the novel chain block of the present invention;

fig. 3 is a side view of a hoisting sprocket according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third bearing of the novel chain block of the present invention;

fig. 5 is a schematic structural view of a roller according to an embodiment of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. a hoisting sprocket; 4. a right plate; 5. a left panel; 6. a third bearing; 7. a bearing outer race; 8. a bearing inner race; 9. a roller; 10. an oil inlet groove; 11. accommodating grooves; 12. a buffer spring; 13. a connecting rod.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The following describes embodiments of the present invention with reference to the accompanying drawings. Fig. 1 is a schematic structural view of an embodiment of a novel chain block of the present invention; fig. 2 is a schematic structural view of a hoisting sprocket of an embodiment of the novel chain block of the present invention; fig. 3 is a side view of a hoisting sprocket according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a third bearing of the novel chain block of the present invention; fig. 5 is a schematic structural view of a roller according to an embodiment of the present invention. As shown in the figures, the utility model relates to a novel chain block, including first casing 1, second casing 2 and the major axis that sets up between first casing 1 and second casing 2, the cover is equipped with hand sprocket in proper order on the major axis, the ratchet, stopper seat and jack-up sprocket 3, jack-up sprocket 3 both sides are provided with left plate 5 and right plate 4 respectively, left plate 5 is located between stopper seat and jack-up sprocket 3 and wears to establish on the major axis, right plate 6 is located between jack-up sprocket 3 and the second casing and wears to establish on the major axis, first bearing is worn to be equipped with in left plate 1 middle part, jack-up sprocket 5 one end is through first bearing and major axis connection, right plate 4 middle part is worn to be equipped with the second bearing, the jack-up sprocket 5 other end is connected with the major axis through the second bearing, the inside of one side that jack-up sprocket 5 is close to right plate 4 is provided with the third bearing, second casing 2 is connected, The right plate 4 and the second shell are respectively provided with a first bearing, a second bearing and a fourth bearing on three points, so that the tension of the hand chain wheel is effectively transmitted to the hoisting chain wheel 3, the hand chain wheel slides and rolls, the hand tension is greatly reduced, meanwhile, the third bearing 6 is further arranged in the hoisting chain wheel 3, the transmission process is smoother, and the user operation is more labor-saving. The third bearing 6 is a roller bearing, the roller bearing comprises a bearing inner ring 8 and a bearing outer ring 7, and a plurality of rollers 9 are arranged between the bearing outer ring 7 and the bearing inner ring 8. Offer a plurality of axially arranged's holding tank 11 on the bearing inner race 7, roller bearing 9 top and roller bearing 9 bottom are rotated through connecting piece and holding tank 11's top and holding tank 11 bottom respectively and are connected, and in holding tank 11 was arranged in to roller bearing 9 outer wall one side, roller bearing 9 outer wall opposite side passed bearing inner race 8, and roller bearing 9's design can be with slide between the major axis turn into the roll between roller bearing and the major axis, reduce the tensile conduction resistance of hand. The connecting piece includes buffer spring 12 with 11 fixed connection of holding tank, buffer spring 12 and connecting rod 13 fixed connection, and connecting rod 13 rotates with roller shaft 9 to be connected, because chain block needs to dismantle easily, buffer spring 12's effect is that the compression that utilizes buffer spring 12 more easily wears to locate the major axis in the middle of third bearing 6 to third bearing 6 offsets with the major axis. Be provided with a plurality of inlet tanks 10 on the bearing inner race 7, the inlet tank 10 bottom is provided with annular oil duct, corresponds holding tank 11 on the annular oil duct and has seted up a plurality of oilholes of leading, and the subsequent annular oil duct that gets into of lubricating oil through inlet tank 10, lubricating oil get into holding tank 11 through leading the oilhole in, and roller bearing 9 rolls and can make lubricating oil glue on roller bearing 9 outer wall, makes roller bearing 9's roll more smooth, makes the better conduction of hand power.

The utility model discloses a concrete implementation process does: and the hand power chain wheel rotates, and the hand power is transmitted to the hoisting chain wheel through the first bearing, the third bearing, the second bearing and the fourth bearing in sequence to pull up the heavy object on the hoisting chain wheel.

Therefore, the utility model adopts the above structure a novel chain block, three points of left board, right board and second casing are provided with first bearing, second bearing and fourth bearing respectively, and the inside third bearing that still is provided with of jack-up sprocket simultaneously, and three points contain a little bearing design, effectively turns into the roll with sliding, makes the hand power obtain fine conduction when using chain block, and the hand power alleviates greatly, and is more laborsaving during the use chain block.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a novel chain block, include first casing, second casing and set up in first casing with major axis between the second casing, the cover is equipped with hand sprocket, ratchet, brake seat and jack-up sprocket in proper order on the major axis, the jack-up sprocket both sides are provided with left board and right board, its characterized in that respectively: first bearing is worn to be equipped with in the middle part of the left side board, the hoisting sprocket one end warp first bearing with the major axis is connected, the second bearing is worn to be equipped with in the middle part of the right side board, the hoisting sprocket other end warp the second bearing with the major axis is connected, hoisting sprocket is close to the inside of one side of right side board is provided with the third bearing, the second casing with the major axis is connected through the fourth bearing.

2. The novel chain block of claim 1, characterized in that: the third bearing is a roller bearing, the roller bearing comprises a bearing inner ring and a bearing outer ring, and a plurality of rollers are arranged between the bearing outer ring and the bearing inner ring.

3. The novel chain block of claim 2, characterized in that: the bearing inner race is provided with a plurality of axially arranged accommodating grooves, the top end of the roller and the bottom end of the roller are respectively connected with the top end of the accommodating groove and the bottom end of the accommodating groove in a rotating mode through connecting pieces, one side of the outer wall of the roller is arranged in the accommodating groove, and the other side of the outer wall of the roller penetrates through the bearing inner race.

4. The novel chain block of claim 3, characterized in that: the connecting piece include with holding tank fixed connection's buffer spring, buffer spring and connecting rod fixed connection, the connecting rod with the roller bearing rotates to be connected.

5. The novel chain block of claim 3, characterized in that: the bearing outer ring is provided with a plurality of oil inlet grooves, the bottom of each oil inlet groove is provided with an annular oil duct, and a plurality of oil guide holes are formed in the annular oil duct corresponding to the containing grooves.