CN215711059U

CN215711059U - Chain convenient to block

Info

Publication number: CN215711059U
Application number: CN202122362744.6U
Authority: CN
Inventors: 江红磊
Original assignee: Qingdao Mingrun Machinery Co ltd
Current assignee: Qingdao Mingrun Machinery Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-01
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of chains, and discloses a chain convenient to clamp, which solves the problem that the operation is complicated because a tool is needed to operate when parts of a common hanging chain are needed to be replaced in the using process of the common hanging chain; according to the utility model, the upper barrel, the lower barrel and the clamping piece are matched for use, so that the hanging chain can be conveniently clamped during installation, and the operation is more convenient because the operation is not required by means of tools.

Description

Chain convenient to block

Technical Field

The utility model belongs to the technical field of chains, and particularly relates to a chain convenient to clamp.

Background

The sling is a general name covering a sling and a sling, and is a connector between a crane or a hoisting object main body and a hoisted object; the suspension cable is complicated to manufacture, and a chain is generally used as a component of a suspension chain to be connected because the suspension cable often hangs a lot of heavy objects and needs good connection strength under the action of a long time.

In the process of using a general suspension chain, when parts of the suspension chain need to be replaced, the operation needs to be carried out by means of tools, so that the operation is complicated.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a chain convenient to engage, which effectively solves the problem that the operation is complicated because a tool is required to operate when parts of a common sling chain need to be replaced in the using process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a chain convenient to block, includes the chain sling, the barrel is installed down on the top of chain sling, and the barrel is installed on the top of barrel down, goes up the barrel and installs on the lifting hook, and through the mutual joint of joint spare between lower barrel and the last barrel, the joint spare is located the inside of barrel down.

Preferably, a lower cavity and an upper cavity are formed inside the lower cylinder, and inner openings are symmetrically formed in the outer wall of the upper cavity.

Preferably, the outer wall of the upper cylinder body is symmetrically provided with outer openings, and the radius of the top opening of the upper cylinder body is smaller than that of the top of the lower cylinder body.

Preferably, the joint spare includes the carousel, and the bull stick is installed to the bottom of carousel, installs the driving gear on the bull stick, and the driving gear symmetry meshing is connected with driven gear, installs the pivot on the driven gear, installs the eccentric wheel in the pivot.

Preferably, the turntable is located above the lower barrel, the driving gear and the driven gear are both rotatably mounted inside the lower cavity, and the eccentric wheel is located inside the upper cavity.

Preferably, the rotating rod is further sleeved with a torsion spring, one end of the torsion spring is connected with the rotating rod, and the other end of the torsion spring is connected with the inner wall of the lower cavity.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the work, the upper barrel, the lower barrel and the clamping piece are matched for use, so that the hanging chain can be conveniently clamped during installation, and the operation is more convenient because the operation is not carried out by means of tools;

2) in operation, through the torsional spring that sets up, can guarantee under no exogenic action, the eccentric wheel is in the state of stretching out all the time under the effect of torsional spring, makes barrel and last barrel joint all the time together down to guarantee the stability when chain block, avoid taking place the obscission.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a schematic structural view of the lower cylinder and the upper cylinder of the present invention;

fig. 4 is a schematic structural view of the clip member of the present invention.

In the figure: 1. a chain is hung; 2. a lower cylinder body; 201. a lower cavity; 202. an upper cavity; 203. an inner opening; 3. an upper cylinder body; 301. an outer opening; 4. a hook; 5. a clamping piece; 501. a turntable; 502. a rotating rod; 503. a driving gear; 504. a driven gear; 505. a rotating shaft; 506. an eccentric wheel; 507. a torsion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the present invention includes a sling chain 1, a lower cylinder 2 is installed at the top end of the sling chain 1, an upper cylinder 3 is installed at the top end of the lower cylinder 2, the upper cylinder 3 is installed on a hook 4, the lower cylinder 2 and the upper cylinder 3 are mutually clamped by a clamping member 5, the clamping member 5 is located inside the lower cylinder 2, a lower cylinder 201 and an upper cylinder 202 are formed inside the lower cylinder 2, an inner opening 203 is symmetrically formed on the outer wall of the upper cylinder 202, an outer opening 301 is symmetrically formed on the outer wall of the upper cylinder 3, and the radius of the top opening of the upper cylinder 3 is smaller than the radius of the top end of the lower cylinder 2;

the clamping piece 5 comprises a rotary disc 501, a rotary rod 502 is installed at the bottom end of the rotary disc 501, a driving gear 503 is installed on the rotary rod 502, the driving gear 503 is symmetrically meshed with a driven gear 504, a rotating shaft 505 is installed on the driven gear 504, an eccentric wheel 506 is installed on the rotating shaft 505, the rotary disc 501 is located above the lower barrel 2, the driving gear 503 and the driven gear 504 are both rotatably installed inside the lower cavity 201, and the eccentric wheel 506 is located inside the upper cavity 202;

when the lifting chain 1 needs to be clamped, only the lower cylinder 2 needs to be inserted into the upper cylinder 3, then the rotary disc 501 is rotated, the rotary disc 501 drives the driving gear 503 to rotate through the driving rotating rod 502, the driving gear 503 drives the driven gear 504 to rotate through the meshing mode, the driven gear 504 drives the eccentric wheel 506 to rotate through the driving rotating shaft 505, the eccentric wheel 506 is arranged between the inner opening 203 and the outer opening 301 after rotating, and therefore the lower cylinder 2 and the upper cylinder 3 are clamped together without using tools, and the operation is convenient.

In the second embodiment, on the basis of the second embodiment, the rotating rod 502 is further sleeved with a torsion spring 507, one end of the torsion spring 507 is connected with the rotating rod 502, and the other end of the torsion spring 507 is connected with the inner wall of the lower cavity 201;

when not rotating carousel 501, under the effect of torsional spring 507, this moment eccentric wheel 506 stretches out interior opening 203 and arranges the outside in, when need accomodate it in lower barrel 2, only need rotate carousel 501 can to guarantee under no exogenic action, eccentric wheel 506 is in the state of stretching out all the time, stability when guaranteeing the chain joint avoids taking place the obscission.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A chain convenient to block, includes sling chain (1), its characterized in that: barrel (2) down are installed on the top of chain sling (1), and barrel (3) are installed on the top of lower barrel (2), go up barrel (3) and install on lifting hook (4), and through joint spare (5) mutual joint between lower barrel (2) and last barrel (3), joint spare (5) are located the inside of barrel (2) down.

2. A chain for facilitating snapping according to claim 1, wherein: the inner part of the lower barrel body (2) is provided with a lower cavity (201) and an upper cavity (202), and the outer wall of the upper cavity (202) is symmetrically provided with inner openings (203).

3. A chain for facilitating snapping according to claim 1, wherein: outer openings (301) are symmetrically formed in the outer wall of the upper barrel (3), and the radius of the top opening of the upper barrel (3) is smaller than that of the top opening of the lower barrel (2).

4. A chain for facilitating snapping according to claim 1, wherein: the clamping piece (5) comprises a rotary disc (501), a rotary rod (502) is installed at the bottom end of the rotary disc (501), a driving gear (503) is installed on the rotary rod (502), the driving gear (503) is symmetrically meshed with a driven gear (504), a rotating shaft (505) is installed on the driven gear (504), and an eccentric wheel (506) is installed on the rotating shaft (505).

5. The chain for facilitating engagement as claimed in claim 4, wherein: the rotary disc (501) is positioned above the lower cylinder (2), the driving gear (503) and the driven gear (504) are both rotatably mounted inside the lower cavity (201), and the eccentric wheel (506) is positioned inside the upper cavity (202).

6. The chain for facilitating engagement as claimed in claim 5, wherein: still cup jointed torsional spring (507) on bull stick (502), the one end and the bull stick (502) of torsional spring (507) are connected, the other end and the inner wall connection of cavity (201) down of torsional spring (507).