Pin type elastic coupling

Abstract

The utility model relates to the technical field of elastic couplings, and discloses a pin type elastic coupler which comprises a main connecting shaft joint, the top of the main connecting shaft joint abuts against an auxiliary connecting shaft joint, and a shaft connecting through hole is formed between the bottom of the main connecting shaft joint and the bottom of the auxiliary connecting shaft joint. A pin assembly used for playing an elastic transmission role is installed on the inner side of the main connecting shaft joint, a buffering assembly used for improving the damping effect is installed on the inner side of the main connecting shaft joint, and the pin assembly comprises four connecting holes which are formed in the bottom of the main connecting shaft joint and evenly distributed. Four evenly-distributed connecting grooves are formed in the bottom of the auxiliary connecting shaft joint, and the inner side of the connecting hole is slidably connected with a steel column. According to the pin type elastic coupling, the damping effect of the elastic coupling in the transmission process can be improved, the damping performance in the transmission process is further improved by prolonging the damping stroke path, and the practicability of the pin type elastic coupling is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elastic coupling technical field, concretely is a kind of pin type elastic coupling. BACKGROUND

[0002] Pin type elastic coupling is made of several non-metallic elastic material pins, placed in the flange hole of two half couplings, and connected by the pins to realize the connection of two half couplings. The commonly used materials are aluminum alloy, stainless steel and engineering plastic. It has the performance of shock absorption and a certain shaft offset compensation ability, and is suitable for use in environments where noise is not controlled.

[0003] According to the elastic pin type coupling disclosed in Chinese patent publication No. CN212775242U, the cooperation between the rubber sleeve and the annular steel wire mesh layer inside the rubber sleeve can improve the shear resistance of the elastic pin, thereby improving the safety factor of the elastic pin type coupling. However, there are still some shortcomings in the actual use of this patent. The rubber sleeve can provide certain shock absorption performance during transmission, but due to the limited deformation distance, the actual shock absorption stroke is short, resulting in poor shock absorption effect during actual transmission. To solve the above problems, we propose a pin type elastic coupling. SUMMARY

[0004] (I) Technical problem solved

[0005] To solve the problem of short shock absorption stroke of existing elastic pin type coupling during transmission, the utility model provides a pin type elastic coupling, which has the advantages of improving the shock absorption effect of elastic coupling during transmission, etc.

[0006] (II) Technical solution

[0007] To achieve the purpose of improving the shock absorption effect of elastic coupling during transmission, the utility model provides the following technical solution: a pin type elastic coupling, comprising a main connecting shaft section, a slave connecting shaft section abutting the top of the main connecting shaft section, an axle connecting through hole being provided between the bottoms of the main connecting shaft section and the slave connecting shaft section, a pin assembly for elastic transmission being installed on the inner side of the main connecting shaft section, and a buffer assembly for improving shock absorption effect being installed on the inner side of the main connecting shaft section.

[0008] The pin assembly comprises four connecting holes evenly distributed on the bottom of the main connecting shaft section, the slave connecting shaft section has four connecting grooves evenly distributed on the bottom, and the inner side of the connecting hole is slidably connected with a steel column.

[0009] The buffer assembly includes a ring-shaped rubber sheath sleeved outside the steel column, the inner side of the ring-shaped rubber sheath is fixedly connected with uniformly distributed drum-shaped rubber blocks, the outer side and the inner side of the ring-shaped rubber sheath are fixedly connected with metal mesh interlayers, the outer side of the outer side metal mesh interlayer and the inner side of the inner side metal mesh interlayer are fixedly connected with elastic sleeves.

[0010] Further, the bottom of the steel column is fixedly connected with limit plates, the bottom of the limit plate is fixedly connected with a square plate, the bottom of the main connecting shaft joint is provided with four limit grooves for respectively inserting the four limit plates, the outer side of the limit plate is fixedly connected with four uniformly distributed auxiliary blocks, the bottom of the main connecting shaft joint is provided with sixteen auxiliary grooves for respectively inserting the sixteen auxiliary blocks, and the outer side of the auxiliary block is fixedly connected with two buffer blocks.

[0011] Further, the positions of the four connecting holes correspond to the positions of the four connecting grooves, and the inner diameter of the connecting hole is equal to the inner diameter of the connecting groove.

[0012] Further, the outer side of the drum-shaped rubber block is fixedly connected with the outer side of the adjacent drum-shaped rubber block, and the inner side of the elastic sleeve is in close contact with the outer side of the corresponding steel column.

[0013] Further, the outer side of the elastic sleeve is in close contact with the inner side of the corresponding connecting hole and connecting groove.

[0014] Further, the top of the elastic sleeve, the metal mesh interlayer, the ring-shaped rubber sheath and the steel column is in close contact with the top of the corresponding connecting groove.

[0015] Further, the bottom of the elastic sleeve, the metal mesh interlayer and the ring-shaped rubber sheath is in close contact with the top of the corresponding limit plate, the auxiliary groove is in communication with the inner side of the corresponding limit groove, the buffer block is in close contact with the inner side of the corresponding auxiliary groove, and the bottom of the auxiliary block is detachably connected with the top of the main connecting shaft joint.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a pin type elastic coupling

[0018] Beneficial effects:

[0019] The pin type elastic coupling, through the cooperation between the pin assembly and the buffer assembly in the main connecting shaft joint, can improve the damping effect of the elastic coupling in the transmission process, prolong the damping stroke path, effectively improve the actual damping effect, and further improve the damping performance in the transmission process by adding buffer pieces along the rotating direction, thereby effectively improving the practicability of the pin type elastic coupling. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model;

[0021] Figure 2 It is a structure bottom view of the utility model;

[0022] Figure 3 It is a partial enlarged schematic view of A part in the structure of the utility model.

[0023] In the figure: 1 main connecting shaft joint, 2 slave connecting shaft joint, 3 shaft connecting through hole, 400 column pin assembly, 401 connecting hole, 402 connecting groove, 403 steel column, 500 buffer assembly, 501 annular rubber skin cover, 502 drum-shaped rubber block, 503 metal mesh interlayer, 504 elastic sleeve, 505 limiting plate, 506 square plate, 507 limiting groove, 508 auxiliary block, 509 auxiliary groove, 510 buffer block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a column pin type elastic coupling, including main connecting shaft joint 1, the top of main connecting shaft joint 1 is abutted with slave connecting shaft joint 2, shaft connecting through hole 3 is opened between the bottom of main connecting shaft joint 1 and slave connecting shaft joint 2, the inside of main connecting shaft joint 1 is installed with the column pin assembly 400 for playing the role of elastic transmission, the inside of main connecting shaft joint 1 is installed with the buffer assembly 500 for improving damping effect, by the cooperation between column pin assembly 400 and buffer assembly 500 in the inside of main connecting shaft joint 1, damping effect in transmission process of elastic coupling can be improved, by extending the travel path of shock absorption, actual damping effect is effectively improved, while along the direction of rotation additional buffer piece, to further improve the damping performance in transmission process, effectively improve the practicality of column pin type elastic coupling.

[0026] It should be noted that shaft connecting through hole 3 is composed of circular hole and square hole communicated with circular hole, so that the output shaft of transmission equipment can conveniently enter the inside of shaft connecting through hole 3, and play the role of limiting through square hole.

[0027] Column pin assembly 400 in the embodiment is used for the structure of elastic transmission.

[0028] As Figure 1 and Figure 3 shown, the pin assembly 400 includes four connection holes 401 evenly distributed in the bottom of the main connecting shaft joint 1, and four connection slots 402 evenly distributed in the bottom of the connecting shaft joint 2, and the inner side of the connection hole 401 is slidably connected with the steel column 403.

[0029] It should be noted that the positions of the four connection holes 401 correspond to the positions of the four connection slots 402, and the inner diameter of the connection hole 401 is equal to the inner diameter of the connection slot 402, so that the four steel columns 403 can be respectively moved to the inner side between the four connection holes 401 and the connection slots 402.

[0030] The buffer assembly 500 in this embodiment is a structure for buffering and damping effect.

[0031] As Figure 1 , Figure 2 and Figure 3 shown, the buffer assembly 500 includes a ring-shaped rubber sleeve 501 sleeved on the outer side of the steel column 403, and the inner side of the ring-shaped rubber sleeve 501 is fixedly connected with evenly distributed drum-shaped rubber blocks 502, the top and bottom of the drum-shaped rubber block 502 are flat and protrude in the middle, the protruding part has a certain damping stroke distance, which can improve the damping and buffering effect, the outer side and the inner side of the ring-shaped rubber sleeve 501 are fixedly connected with a metal mesh layer 503, the outer side of the outer side metal mesh layer 503 and the inner side of the inner side metal mesh layer 503 are fixedly connected with an elastic sleeve 504, the elastic sleeve 504 is a ring-shaped nylon column or other structure with wear-resistant and damping effect, the bottom of the steel column 403 is fixedly connected with a limiting plate 505, the bottom of the limiting plate 505 is fixedly connected with a square plate 506, the square plate 506 can be used to conveniently move the limiting plate 505, the bottom of the main connecting shaft joint 1 is provided with four limiting grooves 507 for respectively inserting the four limiting plates 505, the outer side of the limiting plate 505 is fixedly connected with four evenly distributed auxiliary blocks 508, the bottom of the main connecting shaft joint 1 is provided with sixteen auxiliary grooves 509 for respectively inserting the sixteen auxiliary blocks 508, and the outer side of the auxiliary block 508 is fixedly connected with two buffer blocks 510.

[0032] It should be noted that the outer side of the drum-shaped rubber block 502 is fixedly connected with the outer side of the adjacent drum-shaped rubber block 502, so that the whole has integrity, and the damping effect is more obvious, and the inner side of the inner side elastic sleeve 504 is in close contact with the outer side of the corresponding steel column 403, so that the inner side elastic sleeve 504 can be sleeved on the outer side of the corresponding steel column 403.

[0033] In addition, the outer side of the outer elastic sleeve 504 is attached to the inner side of the corresponding connecting hole 401 and connecting groove 402, the top of the elastic sleeve 504, the metal mesh layer 503, the annular rubber sleeve 501, and the steel column 403 is attached to the top of the corresponding connecting groove 402, and the bottom of the elastic sleeve 504, the metal mesh layer 503, and the annular rubber sleeve 501 is attached to the top of the corresponding limiting plate 505, so that the elastic sleeve 504 and the annular rubber sleeve 501 can play a good shearing effect and shock absorption effect after entering the connecting hole 401 and the inner side of the corresponding connecting groove 402.

[0034] At the same time, the auxiliary groove 509 is connected to the inside of the corresponding limiting groove 507, and the buffer block 510 is attached to the inner side of the corresponding auxiliary groove 509, so that the buffer block 510 can play a buffering role, wherein the two buffer blocks 510 are respectively located on the two sides of the auxiliary block 508 close to the corresponding limiting plate 505, the bottom of the auxiliary block 508 is detachably connected to the top of the main connecting shaft joint 1, the bottom of the auxiliary block 508 can be connected and fixed to the top of the main connecting shaft joint 1 by bolts and other connecting members, and the buffering and shock absorption effect of the buffer block 510 can also protect the bolts and other connecting members from deformation and other conditions.

[0035] The working principle of the above embodiment is as follows:

[0036] When using the column pin type elastic coupling, the connecting shaft joint 2 is placed on the top of the main connecting shaft joint 1, the positions of the two shaft connecting through holes 3 are matched, the steel column 403 and the outer elastic sleeve 504, the metal mesh layer 503, and the annular rubber sleeve 501 are inserted into the inner side of the corresponding connecting hole 401 and connecting groove 402, the limiting plate 505 is moved to the inner side of the corresponding limiting groove 507, and the auxiliary block 508 is inserted into the inner side of the corresponding auxiliary groove 509, and the auxiliary block 508 is connected and fixed to the main connecting shaft joint 1 by bolts and other connecting members. In the process of transmission, the buffer block 510 can buffer and offset the force generated when the auxiliary block 508 rotates, and can improve the shearing degree of the steel column 403 under the cooperation between the elastic sleeve 504 and the metal mesh layer 503, and can improve the overall buffering and shock absorption performance under the action of the drum-shaped rubber block 502, thereby improving the overall safety and stability.

[0037] Compared with the prior art, the pin type elastic coupling can improve the damping effect of the elastic coupling in the transmission process by the cooperation between the pin assembly 400 and the buffer assembly 500 in the main connecting shaft joint 1, effectively improve the actual damping effect by prolonging the damping stroke path, and further improve the damping performance in the transmission process by additionally arranging the buffer along the rotating direction, thereby effectively improving the practicability of the pin type elastic coupling and solving the problem of short damping stroke of the existing pin type elastic coupling in the transmission process.

[0038] It should be noted that the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A pin type elastic coupling comprising a main connecting hub (1), characterized in that: The top of the main connecting axle joint (1) abuts with the slave connecting axle joint (2), the bottom of the main connecting axle joint (1) and the slave connecting axle joint (2) is provided with an axle connecting through hole (3), the inner side of the main connecting axle joint (1) is provided with a column pin assembly (400) for playing an elastic transmission role, and the inner side of the main connecting axle joint (1) is provided with a buffer assembly (500) for improving damping effect. The column pin assembly (400) comprises four connecting holes (401) uniformly distributed and provided in the bottom of the main connecting axle joint (1), and the bottom of the slave connecting axle joint (2) is provided with four connecting grooves (402) uniformly distributed, and the inner side of the connecting hole (401) is slidably connected with a steel column (403). The buffer assembly (500) comprises a ring-shaped rubber sheath (501) sleeved outside the steel column (403), the inner side of the ring-shaped rubber sheath (501) is fixedly connected with evenly distributed drum-shaped rubber blocks (502), the outer side and the inner side of the ring-shaped rubber sheath (501) are fixedly connected with metal mesh interlayers (503), and the outer side of the outer side metal mesh interlayer (503) and the inner side of the inner side metal mesh interlayer (503) are fixedly connected with elastic sleeves (504).

2. A pin type elastic coupling according to claim 1, characterized in that: The bottom of the steel column (403) is fixedly connected with a limiting plate (505), the bottom of the limiting plate (505) is fixedly connected with a square plate (506), the bottom of the main connecting axle joint (1) is provided with four limiting grooves (507) for respectively inserting the four limiting plates (505), the outer side of the limiting plate (505) is fixedly connected with four auxiliary blocks (508) uniformly distributed, the bottom of the main connecting axle joint (1) is provided with sixteen auxiliary grooves (509) for respectively inserting the sixteen auxiliary blocks (508), and the outer side of the auxiliary block (508) is fixedly connected with two buffer blocks (510).

3. A pin type elastic coupling according to claim 1, characterized in that: The positions of the four connecting holes (401) correspond to the positions of the four connecting grooves (402) respectively, and the inner diameter of the connecting hole (401) is equal to the inner diameter of the connecting groove (402).

4. A pin type elastic coupling according to claim 1, characterized in that: The outer side of the drum-shaped rubber block (502) is fixedly connected with the outer side of the adjacent drum-shaped rubber block (502), and the inner side of the elastic sleeve (504) is matched with the outer side of the corresponding steel column (403).

5. A pin type elastic coupling according to claim 1, characterized in that: The outer side of the elastic sleeve (504) is matched with the inner side of the corresponding connecting hole (401) and connecting groove (402).

6. A pin type elastic coupling according to claim 1, characterized in that: The top of the elastic sleeve (504), the metal mesh interlayer (503), the ring-shaped rubber sheath (501) and the steel column (403) is matched with the top of the corresponding connecting groove (402).

7. A pin type elastic coupling as claimed in claim 2, wherein: The bottom of the elastic sleeve (504), the metal mesh interlayer (503) and the ring-shaped rubber sheath (501) is matched with the top of the corresponding limiting plate (505), the auxiliary groove (509) is communicated with the inside of the corresponding limiting groove (507), the buffer block (510) is matched with the inner side of the corresponding auxiliary groove (509), and the bottom of the auxiliary block (508) is detachably connected with the top of the main connecting axle joint (1).

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