CN212202884U

CN212202884U - Split type elastic tooth coupling

Info

Publication number: CN212202884U
Application number: CN202020905448.9U
Authority: CN
Inventors: 张程
Original assignee: Shaanxi Huahang Seal Co ltd
Current assignee: Shaanxi Huahang Seal Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-22
Anticipated expiration: 2030-05-26

Abstract

The split type elastic tooth coupler comprises an inner tooth coupling disc and an outer tooth coupling disc which are fixedly connected with a connecting shaft I, and an inner tooth connecting ring and an outer tooth connecting ring which connect the inner tooth coupling disc and the outer tooth coupling disc with the connecting shaft II, wherein the inner tooth connecting ring and the outer tooth connecting ring are formed by installing and combining two inner tooth connecting semi-circular rings; the inner and outer teeth are connected with the semicircular rings and made of rubber, the hardness of the rubber is 75 degrees, the inner and outer teeth have the rigidity required by the coupler, the connection stability between the two connecting shafts is guaranteed, the coupler has certain elasticity, the two connecting shafts are flexibly connected, the damping effect is achieved, and the power transmission between the two connecting shafts is more stable.

Description

Split type elastic tooth coupling

Technical Field

The utility model belongs to the technical field of the shaft coupling, concretely relates to split type elastic tooth shaft coupling.

Background

The coupling is a mechanical part used for connecting a transmission shaft and a driven shaft and enabling the two shafts to transmit torque together. In high-speed power transmission, the coupler has the functions of buffering and damping and improving the dynamic performance in a transmission mechanism. The relative position of two axles that the shaft coupling installation is connected or the change condition of position, the shaft coupling is many kinds and mainly can divide into: a fixed coupling shaft: the two-shaft coupling is mainly used for places where two shafts strictly require to be in the center position and do not generate relative displacement in work, the structure is generally simpler, the manufacture is relatively easy, the rotating speeds of the two shafts are the same and synchronous, and the two-shaft coupling mainly comprises a flange coupling, a sleeve type coupling, an elastic clamping shell type coupling, a tooth coupling and the like. II, movable coupling: such as universal couplings, floating couplings, etc. The coupling for mechanical transmission is mostly a tooth coupling, which is mainly formed by meshing and connecting two pairs of inner and outer teeth. The tooth type coupler comprises a tooth connecting ring and a tooth connecting disc which are meshed with each other, and for the tooth connecting ring, the whole body is made of cast iron or other metal materials, so that the rigidity of the materials is high, the tooth connecting ring is in rigid transmission in the transmission process, the elastic damping effect is small, and the mechanical transmission stability is poor. In addition, the structure of tooth go-between is a holistic ring structure, and when the installation of tooth go-between, its interior ring gear will with the epaxial outer fluted disc adaptation meshing of transmission, because the number of teeth is many to if be tight fit between the two, will cause the tooth go-between to hardly install with corresponding part, increased the installation difficulty, then just also reduced the installation and dismantled efficiency. There is therefore a need for improvements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the split type elastic tooth coupling is provided, the inner and outer tooth connecting rings are made into a split type structure, and when the split type elastic tooth coupling is installed, only two inner and outer tooth connecting semi-circular rings of the split type are required to be clamped on the outer fluted disc from two sides and fixed, so that the installation difficulty is greatly reduced, and the installation and disassembly efficiency is improved; the inner and outer tooth connection semi-circular rings are made of rubber, so that the rigidity required by the coupler is achieved, the connection stability between the two connecting shafts is guaranteed, the coupler has certain elasticity, the two connecting shafts are flexibly connected, the damping effect is achieved, and the power transmission is more stable.

The utility model adopts the technical proposal that: the split type elastic tooth coupling comprises an inner and outer tooth coupling disc fixedly connected with a connecting shaft I and an inner and outer tooth connecting ring connecting the inner and outer tooth coupling disc with the connecting shaft II, wherein a large-diameter inner gear ring and a small-diameter outer gear ring are arranged on one side of the inner and outer tooth coupling disc; the inner and outer tooth connecting semi-circular rings are made of rubber.

According to the technical scheme, after the two internal and external teeth are connected with the semicircular ring and assembled into a whole circular ring, the outer part of the whole circular ring is fixedly connected through the hoop ring, and the two internal and external teeth are connected with the middle part of the outer surface of the semicircular ring and are provided with hoop fixing grooves in the semi-circumference.

The technical scheme is further limited, and the butt joint tooth-shaped structures which are matched and clamped with each other are arranged on the butt joint planes of the two inner and outer tooth connecting semicircular rings.

According to the technical scheme, the two inner and outer teeth are connected with the middle part of the inner surface of the semicircular ring, and the semicircular groove in the center is formed in the semicircular groove in the middle.

In the further limitation of the technical scheme, the hardness of the rubber for manufacturing the inner and outer tooth connecting semicircular rings is 75 degrees.

The technical scheme is further limited, the center of the inner and outer gear coupling disc is provided with a shaft hole which is matched and sleeved with the connecting shaft I, and the inner and outer gear coupling disc and the shaft hole are connected through a flat key; II one end fixed connection external tooth discs of connecting axle, external tooth disc and II formula as an organic whole of connecting axle are connected or detachable connections.

The utility model has the advantages compared with the prior art:

1. in the scheme, the inner and outer tooth connecting rings are formed by installing and combining the two inner and outer tooth connecting semi-circular rings, when the inner and outer tooth connecting rings are installed with the outer fluted disc on the connecting shaft II in a matching manner, only the two split inner and outer tooth connecting semi-circular rings are clamped on the outer fluted disc from two sides and fixed, so that the installation difficulty between the inner and outer tooth connecting rings and the connecting shaft II is greatly reduced, and the installation and disassembly efficiency is improved;

2. according to the scheme, the inner and outer tooth connecting semi-circular rings are made of rubber, the rubber hardness is 75 degrees, so that the inner and outer tooth connecting semi-circular rings have the rigidity required by a coupler, the connection stability between the two connecting shafts is ensured, the coupler has certain elasticity, the two connecting shafts are flexibly connected, the damping effect is achieved, and the power transmission between the two connecting shafts is ensured to be more stable;

3. in the scheme, the central inner semicircular groove is formed in the middle semicircular periphery of the inner surfaces of the two inner and outer tooth connecting semicircular rings, the central inner semicircular groove has the effects of reducing the weight of the inner and outer tooth connecting semicircular rings, reducing manufacturing and processing materials and reducing cost, and the central inner semicircular groove is positioned on the middle circumference of the inner and outer tooth connecting semicircular rings, so that the elasticity between the two sides of the inner and outer tooth connecting semicircular rings is increased;

4. the hoop fixing grooves are formed in the middle half circumference of the outer surface of each of the two inner and outer tooth connecting semicircular rings, the two inner and outer tooth connecting semicircular rings are installed and combined into a whole circular ring, the outer parts of the whole circular ring are fixedly connected through the hoop clamped in the hoop fixing grooves, and the installation and fixing structures are convenient and simple;

5. the butt joint tooth-shaped structure that all is equipped with mutual adaptation block on two inside and outside tooth connection semicircle ring butt joint planes makes two inside and outside tooth connection semicircle rings when the combination concatenation, can reach stable, quick, accurate installation amalgamation, guarantees the installation structure quality, improves the installation effectiveness.

Drawings

FIG. 1 is a schematic structural view of the utility model in use;

FIG. 2 is a schematic structural view of the present invention after two inner and outer teeth are connected to a semicircular ring;

FIG. 3 is a front view of a semi-circular ring with inner and outer teeth;

fig. 4 is a left side view of the structure of fig. 3 according to the present invention;

fig. 5 is a bottom view of the structure of fig. 3 according to the present invention;

FIG. 6 is a front view of the coupling disc with inner and outer teeth;

fig. 7 is the sectional structure of the middle and inner gear coupling disk of the present invention.

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 present invention, 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. Without further limitation. The use of the phrase "comprising one.. said element does not exclude the presence of other like elements in the process, method, article or apparatus that comprises the element.

Please refer to fig. 1-7 to detail the embodiment of the present invention:

a split type elastic tooth coupling is shown in figure 1 and comprises an inner tooth coupling disc 1 and an outer tooth coupling disc 1 which are fixedly connected with a connecting shaft I4, and an inner tooth connecting ring 2 and an outer tooth connecting ring 2 which are used for connecting the inner tooth coupling disc 1 and the outer tooth coupling disc with a connecting shaft II 5. As shown in fig. 6 and 7, a large-diameter inner gear ring 101 and a small-diameter outer gear ring 102 are provided on one side of the internal and external gear coupling 1. As shown in fig. 2, the inner and outer teeth connecting ring 2 is a circular ring structure formed by two inner and outer teeth connecting semi-circular rings 3 which are assembled and combined, as shown in fig. 3, 4 and 5, a large-diameter outer semi-circular ring 301 which can be in adaptive engagement with the large-diameter inner ring 101 of the inner and outer teeth coupling disc 1 is arranged on the outer circular surface of each of the two end portions of the inner and outer teeth connecting semi-circular ring 3, and a small-diameter inner semi-circular ring 302 which can be in adaptive engagement with the small-diameter outer ring 102 of the inner and outer teeth coupling disc 1 or the outer toothed disc 6 on the connecting shaft ii 5 is arranged on the inner circular surface of each of the two end. The utility model discloses in inside and outside tooth go-between 2 is formed by 3 installation combinations of two inside and outside tooth connection semicircle rings, when installing the outer fluted disc 6 adaptation on inside and outside tooth go-between 2 and connecting axle II 5, only need with two inside and outside teeth connection semicircle rings 3 of components of a whole that can function independently from both sides card on outer fluted disc 6 and fix can to greatly reduced the installation degree of difficulty between inside and outside tooth go-between 2 and the connecting axle II 5, improved the installation and dismantled efficiency.

Two interior external teeth connect semicircle ring 3 installation and make up and carry out fixed connection through clamp ring 7 outside behind a whole ring, as shown in fig. 1, 3 surface middle part semicircle circumferences of semicircle ring are connected to two interior external teeth all are equipped with clamp fixed slot 305, and this kind of installation and fixed knot construct is convenient simple, and the operation degree of difficulty is little, improves work efficiency. Of course, in the technical scheme, the two inner and outer teeth can be fixedly connected with the semicircular ring 3 in other modes, such as bolt connection, and the effect of quick connection can be achieved.

The inner and outer tooth connecting semi-circular rings 3 are made of rubber, and preferably, the rubber hardness for manufacturing the inner and outer tooth connecting semi-circular rings 3 is 75 degrees. The selection of materials not only enables the inner and outer tooth connecting rings 3 to have the rigidity required by the coupler, ensures the stable connection between the two connecting shafts, but also enables the coupler to have certain elasticity, enables the two connecting shafts to be flexibly connected, has a damping effect, and enables the power transmission between the two connecting shafts to be more stable.

The two inner and outer teeth connecting semi-circular rings 3 are provided with central inner semi-circular grooves 304 on the middle semi-circumference of the inner surface, as shown in fig. 5. This interior half slot 304 of center at first has the weight that the semicircle ring 3 is connected to interior external tooth of lightening, reduces the effect of preparation processing material, reduce cost, and secondly, interior half slot 304 of center is on the circumference of semicircle ring 3 middle part is connected to interior external tooth, can effectively increase the elasticity between interior external tooth connection semicircle ring 3 both sides, increases power transmission's flexible conveying, improves power transmission's stability.

The butt joint plane of the two inner and outer tooth connecting semicircular rings 3 is provided with butt joint tooth-shaped structures 303 which are matched and clamped with each other, as shown in fig. 3 and 5. Two inside and outside tooth connection semicircle rings 3 can reach stable, quick, accurate installation amalgamation butt joint when the combination is spliced, guarantee mounting structure quality, improve the installation effectiveness.

The center of the inner and outer gear coupling disc 1 is provided with a shaft hole 103 which is matched and sleeved with the connecting shaft I4, and the inner and outer gear coupling disc 1 and the shaft hole 103 can be connected through flat keys. Connecting axle II 5 one end fixed connection external tooth dish 6, external tooth dish 6 is connected or detachable the connection with connecting axle II 5 formula as an organic whole.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Split type elastic tooth shaft coupling includes with connecting axle I (4) fixed connection's inside and outside tooth coupling disc (1) to and the inside and outside tooth go-between (2) of being connected inside and outside tooth coupling disc (1) and connecting axle II (5), its characterized in that: a large-diameter inner gear ring (101) and a small-diameter outer gear ring (102) are arranged on one side of the inner and outer gear coupling discs (1), the inner and outer gear coupling rings (2) are of a circular ring structure formed by installing and combining two inner and outer gear coupling semi-circular rings (3), a large-diameter outer semi-gear ring (301) which can be in fit engagement with the large-diameter inner gear ring (101) of the inner and outer gear coupling discs (1) is arranged on the outer circular surface of two end parts of each inner and outer gear coupling semi-circular ring (3), and a small-diameter inner semi-gear ring (302) which can be in fit engagement with the small-diameter outer gear ring (102) of the inner and outer gear coupling discs (1) or the outer gear ring (6) on the connecting shaft II (5) is arranged on the inner circular surface; the inner and outer tooth connecting semicircular rings (3) are made of rubber.

2. The split resilient tooth coupling of claim 1, wherein: semicircle ring (3) are connected to two interior external teeth and are installed and make up and carry out fixed connection through clamp ring (7) outside behind a whole ring, all be equipped with clamp fixed slot (305) on two interior external teeth connection semicircle ring (3) surface middle part semicircle week.

3. The split resilient tooth coupling of claim 1, wherein: and the butt joint tooth-shaped structures (303) which are matched and clamped with each other are arranged on the butt joint plane of the two inner and outer tooth connecting semicircular rings (3).

4. The split resilient tooth coupling of claim 1, wherein: and central inner semicircular grooves (304) are formed in the middle semicircular periphery of the inner surface of the two inner and outer tooth connecting semicircular rings (3).

5. The split resilient tooth coupling of claim 1, 2, 3 or 4, wherein: the rubber hardness of the inner and outer tooth connecting semicircular rings (3) is 75 degrees.

6. The split resilient tooth coupling of claim 5, wherein: the center of the inner and outer gear coupling disc (1) is provided with a shaft hole (103) which is matched and sleeved with the connecting shaft I (4), and the inner and outer gear coupling disc (1) is connected with the shaft hole (103) through a flat key; connecting axle II (5) one end fixed connection external tooth dish (6), external tooth dish (6) are connected or detachable the connection with connecting axle II (5) formula as an organic whole.