CN218625255U

CN218625255U - Chain containing chain plate

Info

Publication number: CN218625255U
Application number: CN202222969233.5U
Authority: CN
Inventors: 顾维忠
Original assignee: Yangzhou Precision Chain Drive Machinery Manufacturing Co ltd
Current assignee: Yangzhou Precision Chain Drive Machinery Manufacturing Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-14
Anticipated expiration: 2032-11-08

Abstract

The scheme relates to the technical field of chains, in particular to a chain with chain plates, which comprises a shaft pin assembly penetrating between inner chain plates, wherein the shaft pin assembly comprises a roller at the middle position, and the roller is sleeved in the middle of the shaft pin assembly; the two ends of the roller are provided with limiting assemblies which are fixedly connected with the shaft pin assembly; the two inner chain plates abut against the limiting assembly; the two ends of the shaft pin component are provided with connecting end heads which penetrate through the inner chain plate and the outer chain plate; the outer chain plate is attached to the outer wall of the inner chain plate; the sealing cover is provided with a round sleeve, and the round sleeve is provided with an internal thread hole; the two ends of the connecting end are provided with external thread parts; the outer chain plate is provided with a mounting hole, the round sleeve is fastened to the connecting end through threads, and the round sleeve extends into the mounting hole. The utility model discloses the device has the installation effectiveness height and dustproof effectual advantage.

Description

Chain containing chain plate

Technical Field

The utility model relates to a chain technical field, concretely relates to chain that contains link plate.

Background

The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. Chains used to obstruct traffic paths (e.g. in streets, rivers or harbour entrances), chains used mechanically. The conventional chain structure comprises an outer chain plate, an inner chain plate, a chain roller, a bushing and a chain pin, wherein when the chain pin is used for combining all components into a chain, the chain roller is used for clamping a driving fluted disc, and the bushing is used for supporting the chain pin.

Chain design among the prior art, must make through the production technology of multichannel, make different components through different processes, assemble each component again and just can obtain a chain, wherein regard as the connection and the load structure of whole chain with the pivot that uses in the chain equipment, the fixed of both ends also has the assembly of adoption interference block mode of adoption elasticity card when its assembly, these assembly modes are not only loaded down with trivial details, also have the problem of being stained with ash easily simultaneously, not only can seriously influence the production efficiency of chain, it is more still can influence the life of chain to be stained with ash simultaneously. Therefore, a new chain is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the weak point among the prior art, the utility model provides a chain that contains link plate can solve the technical problem among the background art.

The technical scheme of the utility model as follows:

a chain with chain plates comprises a pair of inner chain plates and a pair of outer chain plates, wherein a shaft pin assembly penetrates through the inner chain plates, the shaft pin assembly comprises a roller in the middle, and the roller is sleeved in the middle of the shaft pin assembly;

two ends of the roller are provided with limiting assemblies which are fixedly connected with the shaft pin assembly;

the two inner chain plates are abutted against the limiting component;

the two ends of the shaft pin component are provided with connecting end heads which penetrate through the inner chain plate and the outer chain plate;

the outer chain plate is attached to the outer wall of the inner chain plate;

the sealing cover is provided with a round sleeve, and the round sleeve is provided with an internal thread hole;

external thread parts are arranged at two ends of the connecting end;

the outer chain plate is provided with a mounting hole, the round sleeve is fastened to the connecting end through threads, and the round sleeve extends into the mounting hole.

The utility model discloses the device preferred embodiment lies in, pivot subassembly body is hollow subassembly, spacing subassembly welding mode is fixed on the pivot subassembly.

The utility model discloses install preferred embodiment and lie in, spacing subassembly includes the limiting plate, be provided with the circular cone step on the limiting plate, circular cone step afterbody and roller contact.

The utility model has the preferable implementation mode that the outer wall of the inner chain plate is inwards provided with a circular platform hole;

the inner wall of the outer chain plate is provided with a butt joint which is in a circular truncated cone shape and extends into the circular truncated cone hole to be matched with the circular truncated cone hole.

The utility model discloses the preferred embodiment of the device lies in, be provided with a plurality of ball grooves on the butt joint, the ball card is established in the ball groove;

the ball bearing is characterized in that a plurality of ball grooves are formed in the outer wall of the round sleeve, and balls are clamped in the ball grooves in the outer wall of the round sleeve.

The utility model discloses the device preferred embodiment lies in, the outer wall connection of sealed lid has the extension, hexagonal screw has been seted up on the extension.

The utility model discloses the preferred implementation mode of the device lies in, the roller outside still is provided with wear-resisting tile, wear-resisting tile is two-half type;

the wear-resistant tile is a ceramic tile, and a second connecting hole is formed in the wear-resistant tile;

a first connecting hole is formed in the roller;

the roller and the wear-resistant tile are fastened through screws;

the periphery of first connecting hole sets up round annular step, annular step is used for placing of nut on the screw.

The utility model has the advantages that: the chain of present case design has improved the structure of chain, and the mode that will connect the sleeve on the inner plate in the past changes to setting up a pivot subassembly, can integrate roller assembly on this subassembly, and the both ends of this pivot subassembly set up external screw thread portion, and inner plate and outer link joint are simple plate body, and the mode is established at the both ends of pivot subassembly to inner and outer link joint adoption cover, and the connection end at rethread sealed cap countershaft subassembly both ends is fixed, and sealed lid can also play dustproof effect this moment. The utility model discloses the device has the installation effectiveness height and dustproof effectual advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the device of the present application.

Fig. 2 is a schematic view of the arrangement of wear-resistant tiles in the device of the present utility model.

Fig. 3 is a schematic view of a sealing cover structure in the device of the present application.

In figure 1, an inner link plate; 11. a circular truncated cone hole; 2. an outer link plate; 21. a butt joint; 22. mounting holes; 3. a pin assembly; 31. connecting the end heads; 32. a limiting plate; 33. a conical step; 34. a roller; 4. a first connection hole; 5. a ball bearing; 6. a sealing cover; 61. a round sleeve; 62. an extension portion; 621. an inner hexagonal screw hole; 7. wear resistant tiles; 71. a second connection hole; 72. an annular step.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all 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", "front", "back" and the like indicate the orientation or positional relationship based on the orientation or positional relationship 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-3, the embodiment provides a chain including link plates, including a pair of inner link plates 1 and a pair of outer link plates 2, a shaft pin assembly 3 is inserted between the inner link plates 1, the shaft pin assembly 3 includes a roller 34 at a middle position, and the roller 34 is sleeved on a middle portion of the shaft pin assembly 3; two ends of the roller 34 are provided with limiting components which are fixedly connected with the shaft pin component 3; the two inner chain plates 1 abut against the limiting assembly; two ends of the shaft pin component 3 are provided with connecting end heads 31, and the connecting end heads 31 penetrate through the inner chain plate 2 and the outer chain plate 2; the outer chain plate 2 is attached to the outer wall of the inner chain plate 1; the sealing device further comprises a sealing cover 6, wherein a round sleeve 61 is arranged on the sealing cover 6, and an internal thread hole is formed in the round sleeve 61; the two ends of the connecting end head 31 are provided with external thread parts; the outer chain plate 2 is provided with a mounting hole 22, the round sleeve 61 is fastened to the connecting end 31 through threads, and the round sleeve 61 extends into the mounting hole 22.

The utility model discloses the implementation principle of device is: set up the fixed sleeve on 1 with the inner plate among the prior art, set up roller 34 again on the sleeve, the inside connection mode who wears to establish the pivot of sleeve changes to setting up a pivot subassembly 3, can integrate 34 subassemblies on this subassembly, and the both ends of this pivot subassembly 3 set up external screw thread portion, and inner plate 1 and outer link plate 2 are simple plate body, and inner and outer link plate 2 adopts the cover mode of establishing to fix at the both ends of pivot subassembly 3, and the connection end 31 at the both ends of pivot subassembly 3 is fixed to rethread sealed cover 6. The chain of this mode uses pivot subassembly 3 as the core when the assembly, and interior link joint 2 puts in proper order on connecting end 31, and this kind of connected mode makes the chain assembly more quick, and the sealed lid 6 that sets up simultaneously can fix and dustproof the processing to the both ends of pivot subassembly 3.

Further optimization, the shaft pin component 3 body is a hollow component, and the limiting component is fixed on the shaft pin component 3 in a welding mode. In this embodiment, the shaft pin assembly 3 includes a central connecting pipe, the roller 34 and the limiting assembly are mounted on the connecting pipe, and the hollow shaft pin assembly 3 has the advantage of small mass.

Further preferably, the limiting assembly comprises a limiting plate 32, a conical step 33 is arranged on the limiting plate 32, and the tail of the conical step 33 is in contact with the roller 34.

In the present embodiment, the tapered step 33 provided has a function of transiting from the stopper block case roller 34, and the sprocket can accurately find the roller 34 when engaging the chain.

Further optimization, the outer wall of the inner chain plate 1 is inwards provided with a circular truncated cone hole 11;

the inner wall of the outer chain plate 2 is provided with a butt joint 21, the butt joint 21 is in a circular truncated cone shape, and the butt joint 21 extends into the circular truncated cone hole 11 to be matched with the circular truncated cone hole 11.

Preferably, a plurality of ball 5 grooves are formed in the butt joint 21, and the balls 5 are clamped in the ball 5 grooves;

the outer wall of the round sleeve 61 is provided with a plurality of balls 5 grooves, and the balls 5 are clamped in the balls 5 grooves in the outer wall of the round sleeve 61.

In the two sets of preferred embodiments, in order to make the rotation between the inner and outer link plates 2 smoother and also to seal the inner and outer link plates 2, the butt joint 21 and the circular table hole 11 are provided, the circular table hole 11 and the butt joint 21 are mutually engaged and matched, so that dust is blocked outside the butt joint 21, and the balls 5 provided on the butt joint 21 and the circular sleeve 61 can reduce friction and prolong the service life of the device.

Preferably, the outer wall of the sealing cover 6 is connected with an extending part 62, and an inner hexagonal screw hole 621 is formed in the extending part 62.

The hexagonal socket 621 provided in the present embodiment is provided to facilitate the rotational tightening of the seal cover 6.

Further optimizing, wear-resistant tiles 7 are further arranged outside the roller, and the wear-resistant tiles 7 are in a two-half type;

the wear-resistant tiles 7 are ceramic tiles, and the wear-resistant tiles 7 are provided with second connecting holes 71;

a first connecting hole 4 is formed in the roller;

the roller is fastened with the wear-resistant tile 7 through screws;

the periphery of first connecting hole 4 sets up round annular step 72, annular step 72 is used for placing of nut on the screw.

In this embodiment, the wear resistant tiles 7 are provided to increase the service life of the roller 34. Meanwhile, the wear-resistant tiles 7 are in two halves and are fastened through screws, so that the disassembly is convenient.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, having the benefit of the teachings of the present invention, which is capable of numerous modifications and alternative forms, and will be readily apparent to those skilled in the art, and it is not intended to limit the invention to the details shown and described without departing from the general concepts defined by the appended claims and their equivalents.

Claims

1. The utility model provides a chain that contains link joint, includes a pair of inner link joint and a pair of outer link joint, its characterized in that: a shaft pin assembly penetrates through the inner chain plates, the shaft pin assembly comprises a roller in the middle, and the roller is sleeved in the middle of the shaft pin assembly;

the two ends of the roller are provided with limiting assemblies which are fixedly connected with the shaft pin assembly;

the two inner chain plates abut against the limiting assembly;

the outer chain plate is attached to the outer wall of the inner chain plate;

the two ends of the connecting end are provided with external thread parts;

2. The chain comprising link plates of claim 1, wherein: the shaft pin assembly body is a hollow assembly, and the limiting assembly is fixed on the shaft pin assembly in a welding mode.

3. The chain comprising link plates of claim 1, wherein: the limiting assembly comprises a limiting plate, a conical step is arranged on the limiting plate, and the tail of the conical step is in contact with the roller.

4. The chain comprising link plates of claim 1, wherein: the outer wall of the inner chain plate is inwards provided with a circular truncated cone hole;

5. The link plate-containing chain of claim 4, wherein: the butt joint is provided with a plurality of ball grooves, and the balls are clamped in the ball grooves;

6. The chain comprising link plates of claim 1, wherein: the outer wall of the sealing cover is connected with an extending part, and an inner hexagonal screw hole is formed in the extending part.

7. The chain comprising link plates of claim 1, wherein: the roller is also provided with wear-resistant tiles outside, and the wear-resistant tiles are in two halves;

a first connecting hole is formed in the roller;

the roller and the wear-resistant tile are fastened through a screw;