CN210715745U

CN210715745U - Anti-loosening chain structure

Info

Publication number: CN210715745U
Application number: CN201921889292.3U
Authority: CN
Inventors: 顾维忠; 胡明忠
Original assignee: Yangzhou Precision Chain Drive Machinery Manufacturing Co ltd
Current assignee: Yangzhou Precision Chain Drive Machinery Manufacturing Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-09
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an anti-loosening chain structure, including first connecting link piece, first connecting link piece sets up, two for the symmetry the surface one side of first connecting link piece all is provided with second connecting link piece, two surface one side both ends position of second connecting link piece all is provided with the fixed connection fixture block, two the position that first connecting link piece and two second connecting link pieces are connected runs through the chain connecting axle and is connected, two the surface of chain connecting axle all is provided with the connecting axle sleeve, two the surface of connecting axle sleeve all is provided with the rotation gyro wheel. The utility model discloses in, can link together first connecting link and second connecting link through the fixed pin, constitute the basic connected mode of chain, through the effect drive removal of connecting spring constriction, can realize locking structure's effect automatically through the structure, not only firmly prevent not hard up, convenient to detach maintenance change simultaneously.

Description

Anti-loosening chain structure

Technical Field

The utility model relates to a chain technical field especially relates to an anti-loosening chain structure.

Background

The chain is a very common industrial transmission structure, the connection mode of the chain also has various different connection structures, and the conventional chain has certain requirements on ensuring an anti-loosening structure;

current chain structure mostly is direct to block the connecting link piece through the iron wire round pin on connecting the center pin, perhaps directly connects fastening position direct lock at the center pin both ends and die at the connecting link piece last, and two kinds of connected modes exist to connect fastening inadequately like this, exist easily and break away from not hard up problem, perhaps the too tight easy fracture that appears in the operation of card and dismantle the maintenance or when changing the very troublesome problem of dismouting when needing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-loosening chain structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a locking chain structure comprises first connecting chain pieces, wherein the first connecting chain pieces are symmetrically arranged, second connecting chain pieces are arranged on one side of the outer surfaces of the two first connecting chain pieces, fixed connecting clamping blocks are arranged at two ends of one side of the outer surfaces of the two second connecting chain pieces, the positions where the two first connecting chain pieces are connected with the two second connecting chain pieces are connected through a chain connecting shaft in a penetrating manner, connecting shaft sleeves are arranged on the outer surfaces of the two chain connecting shafts, rotating idler wheels are arranged on the outer surfaces of the two connecting shaft sleeves, and the two ends of the two chain connecting shafts are respectively penetrated through the fixed connecting clamping blocks, and be connected with the fixed pin between two chain connecting axle both ends and four fixed connection fixture blocks, four spacing grooves have all been seted up in the fixed pin, four the spacing inslot all is provided with the stopper, four the equal fixedly connected with movable block in bottom of stopper.

As a further description of the above technical solution:

the two first connecting links and the two second connecting links are arranged in a staggered mode.

As a further description of the above technical solution:

and connecting grooves which are matched with the two connecting shaft sleeves in a nesting manner are formed in the positions, corresponding to the two connecting shaft sleeves, of the two second connecting chain pieces.

As a further description of the above technical solution:

and four connecting springs are connected between the tops of the inner walls of the limiting grooves and the tops of the four limiting blocks.

As a further description of the above technical solution:

four first movable grooves are formed in the positions of two sides of the bottom of each connecting and fixing pin, second movable grooves are formed in the positions, corresponding to the eight first movable grooves, of two sides of the top of each moving block, eight first movable grooves and eight second movable grooves are evenly divided into first connecting rods and second connecting rods, and one ends, far away from the first movable grooves, of the first connecting rods and one ends, far away from the moving blocks, of the eight second connecting rods are connected in a rotating mode through connecting rotating shafts.

As a further description of the above technical solution:

the two rotating idler wheels are fixedly connected with the two connecting shaft sleeves, and the two connecting shaft sleeves are rotatably connected with the two chain connecting shafts.

The utility model discloses following beneficial effect has:

the anti-loosening chain structure is characterized in that a first connecting chain piece, a second connecting chain piece, a fixed connecting clamping block, a chain connecting shaft, a connecting shaft sleeve, a connecting groove, a rotating roller, a fixed pin, a limiting groove, a limiting block, a connecting spring, a moving block, a first movable groove, a second movable groove, a first connecting rod, a second connecting rod and a connecting rotating shaft are used for connecting the rotating roller to the connecting shaft sleeve, the connecting shaft sleeve is sleeved on the chain connecting shaft, the first connecting chain piece and the second connecting chain piece are connected to two ends of the outer surface of the chain connecting shaft, after the fixed pin passes through the position where the fixed connecting clamping block is connected with the chain connecting shaft, the position where the first connecting rod is rotatably connected with the second connecting rod is pulled, the limiting block is automatically driven to move by the contraction of the connecting spring, the limiting block drives the moving block to move, the moving block drives the second connecting rod to move, and the contraction action of the, can be automatic with the connection structure chucking, thereby can be automatic with chain connecting axle and the locking of second connecting link piece hookup location, whole structure not only connection structure is stable can effectual prevention chain not hard up, also more convenient dismantlement simultaneously, be favorable to maintenance or change, current chain structure has been solved, mostly be direct to block through the iron wire round pin on connecting the center pin, or direct lock is structural, such connected mode exists and connects fastening inadequately, lead to having the problem that breaks away from not hard up easily, perhaps the too tight very troublesome problem when maintenance or change is dismantled to needs of card.

Drawings

Fig. 1 is a front view of a structure of a loosening prevention chain according to the present invention;

fig. 2 is a top view of the anti-loosening chain structure provided by the present invention;

fig. 3 is a fixing pin retracting state diagram of the anti-loosening chain structure provided by the utility model;

fig. 4 is a working state diagram of the fixing pin of the anti-loosening chain structure provided by the utility model.

Illustration of the drawings: 1. a first connecting link; 2. a second connecting link; 3. the clamping block is fixedly connected; 4. a chain connecting shaft; 5. connecting the shaft sleeve; 6. a connecting groove; 7. rotating the roller; 8. a fixing pin; 9. a limiting groove; 10. a limiting block; 11. a connecting spring; 12. a moving block; 13. a first movable slot; 14. a second movable slot; 15. a first connecting rod; 16. a second connecting rod; 17. is connected with the rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an anti-loosening chain structure comprises first connecting chain pieces 1, wherein the first connecting chain pieces 1 are symmetrically arranged, second connecting chain pieces 2 are arranged on one side of the outer surfaces of the two first connecting chain pieces 1, fixed connecting clamping blocks 3 are arranged at two ends of one side of the outer surfaces of the two second connecting chain pieces 2, the positions where the two first connecting chain pieces 1 are connected with the two second connecting chain pieces 2 are connected through chain connecting shafts 4, connecting shaft sleeves 5 are arranged on the outer surfaces of the two chain connecting shafts 4, rotating idler wheels 7 are arranged on the outer surfaces of the two connecting shaft sleeves 5, two ends of the two chain connecting shafts 4 are connected through the fixed connecting clamping blocks 3, and be connected with fixed pin 8 between two chain connecting axle 4 both ends and four fixed connection fixture blocks 3, all seted up spacing groove 9 in four fixed pins 8, all be provided with stopper 10 in four spacing grooves 9, the equal fixedly connected with movable block 12 in the bottom of four stopper 10.

The two first connecting chain pieces 1 and the two second connecting chain pieces 2 are arranged in a staggered mode, and the chain structures can be connected in series through the staggered connection of the first connecting chain pieces 1 and the second connecting chain pieces 2, so that the structures can be conveniently connected and used; the positions corresponding to the two connecting shaft sleeves 5 in the two second connecting chain pieces 2 are respectively provided with a connecting groove 6 which is in nested fit with the two connecting shaft sleeves 5, and the structural connection can be more stable through the matching of the connecting shaft sleeves 5 and the connecting grooves 6; connecting springs 11 are connected between the tops of the inner walls of the four limiting grooves 9 and the tops of the four limiting blocks 10, the moving block 12 can be driven to move through the connecting springs 11, and a matching structure can automatically perform a fastening structure, so that the operation is convenient, the structural connection is more fastened, and the structure looseness can be further prevented; the bottom two sides of the four connecting and fixing pins 8 are respectively provided with a first movable groove 13, the top two sides of the four moving blocks 12 are respectively provided with a second movable groove 14 corresponding to the eight first movable grooves 13, the eight first movable grooves 13 and the eight second movable grooves 14 are respectively and rotatably connected with a first connecting rod 15 and a second connecting rod 16, one ends of the eight first connecting rods 15, which are far away from the first movable grooves 13, and one ends of the eight second connecting rods 16, which are far away from the moving blocks 12, are rotatably connected through a connecting rotating shaft 17, and are rotatably connected with the second connecting rods 16 through the rotating connection of the first connecting rods 15 and the second connecting rods 16, so that the automatic opening and closing can be realized through the automatic locking structure and the automatic opening structure, the connection is more stable, the problem of loosening and separation can be prevented, and the disassembly and maintenance are more; for fixed connection between two rotation gyro wheels 7 and two connecting axle sleeves 5, be connected for rotating between two connecting axle sleeves 5 and two chain connecting axle 4, be connected through the rotation between connecting axle sleeve 5 and the chain connecting axle 4 and can make the structural connection more stable, also make things convenient for the smoothness nature of structure operation more simultaneously.

The working principle is as follows: when the anti-loosening chain structure is used, the rotating idler wheel 7 is connected on the connecting shaft sleeve 5, the connecting shaft sleeve 5 is sleeved on the chain connecting shaft 4, the first connecting chain piece 1 and the second connecting chain piece 2 are respectively connected at two ends of the outer surface of the chain connecting shaft 4, the fixed pin 8 penetrates through the position where the fixed connecting clamping block 3 is connected with the chain connecting shaft 4, the position where the first connecting rod 15 is rotatably connected with the second connecting rod 16 is pulled, the limiting block 10 is automatically driven to move through the contraction of the connecting spring 11, the limiting block 10 drives the moving block 12 to move, the moving block 12 drives the second connecting rod 16 to move, the connecting structure can be automatically clamped through the rotating connection of the second connecting rod 16 and the first connecting rod 15 and the contraction action of the connecting spring 11, so that the connecting position of the chain connecting shaft 4 and the second connecting chain piece 2 can be automatically locked, the structure loosening problem can be effectively prevented.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a locking chain structure that moves, includes first connecting link piece (1), its characterized in that: the chain connecting device is characterized in that the first connecting chain pieces (1) are symmetrically arranged, second connecting chain pieces (2) are arranged on one side of the outer surfaces of the two first connecting chain pieces (1), fixed connecting clamping blocks (3) are arranged at two ends of one side of the outer surface of the two second connecting chain pieces (2), the positions where the two first connecting chain pieces (1) are connected with the two second connecting chain pieces (2) are connected through chain connecting shafts (4), connecting shaft sleeves (5) are arranged on the outer surfaces of the two chain connecting shafts (4), rotating idler wheels (7) are arranged on the outer surfaces of the two connecting shaft sleeves (5), the two ends of the two chain connecting shafts (4) are connected with the fixed connecting clamping blocks (3), fixing pins (8) are connected between the two ends of the two chain connecting shafts (4) and the four fixed connecting clamping blocks (3), and limiting grooves (9) are formed in the four fixing pins (8), limiting blocks (10) are arranged in the four limiting grooves (9), and moving blocks (12) are fixedly connected to the bottoms of the four limiting blocks (10).

2. The anti-loosening chain structure according to claim 1, wherein: the two first connecting chain pieces (1) and the two second connecting chain pieces (2) are arranged in a staggered mode.

3. The anti-loosening chain structure according to claim 1, wherein: and connecting grooves (6) which are matched with the two connecting shaft sleeves (5) in a nesting manner are formed in the positions corresponding to the two connecting shaft sleeves (5) in the two second connecting chain pieces (2).

4. The anti-loosening chain structure according to claim 1, wherein: and connecting springs (11) are connected and arranged between the tops of the inner walls of the four limiting grooves (9) and the tops of the four limiting blocks (10).

5. The anti-loosening chain structure according to claim 1, wherein: first movable groove (13) have all been seted up to the bottom both sides position of four fixed pin (8), and second movable groove (14) have all been seted up with the corresponding position in eight first movable groove (13) in the top both sides of four movable block (12), eight it is connected with head rod (15) and second connecting rod (16) to divide equally respectively in first movable groove (13) and eight second movable groove (14), eight one end that first movable groove (13) were kept away from in head rod (15) and eight second connecting rod (16) keep away from between two liang of one end of movable block (12) all rotate through connecting axis of rotation (17) and be connected.

6. The anti-loosening chain structure according to claim 1, wherein: the two rotating rollers (7) are fixedly connected with the two connecting shaft sleeves (5), and the two connecting shaft sleeves (5) are rotatably connected with the two chain connecting shafts (4).