CN212318588U - Plastic one-way bearing damper - Google Patents

Abstract

The utility model provides an one-way bearing attenuator of plastics, including attenuator shell, bearing closing cap, bearing projecting shaft, attenuator upper cover, gear and sealing washer, the inside nestification of attenuator shell is provided with the bearing shell, and the inside nestification of bearing shell is provided with the bearing projecting shaft, and the nested sealing washer that is provided with in the axostylus axostyle of bearing projecting shaft, and the nested bearing closing cap and the attenuator upper cover that is provided with of pivot department of bearing projecting shaft. This plastics one-way bearing attenuator, through adopting the one-way structure of electrodeless rotation type, the reversal resistance value is 0 almost, supersound butt fusion bearing shell and bearing closing cap, the epaxial oil blanket that is put of bearing projecting shaft for one-way bearing structure is arranged in damping oil, but inside damping oil can't flow, guarantees the inside operational environment of one-way bearing structure, the bearing projecting shaft is arranged in to the sealing washer, make the resistance moment minimizing of sealing washer frictional force formation, can minimize the resistance value of damping product.

Description

Plastic one-way bearing damper

Technical Field

The utility model relates to a attenuator technical field specifically is a plastics one way bearing attenuator.

Background

The existing one-way damper mostly adopts a hardware one-way structure, the manufacturing cost is high, the inside oil leakage is easy, the reverse lower sealing ring and the rotating shaft move relatively to form friction force, one-way rotation angles of some pure plastic one-way dampers are within 90 degrees, the reverse resistance value is very large, other pure plastic one-way dampers are arranged at the inner wall end of the shell due to the fact that the sealing ring is used for oil sealing, the product resistance value cannot be small under the condition that the oil sealing capacity is guaranteed, and therefore the application occasions of some small resistance values cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic one-way bearing damper.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic one-way bearing damper comprises a damper shell, a bearing sealing cover, a bearing extension shaft, a damper upper cover, a gear and a sealing ring, wherein the bearing shell is nested inside the damper shell, the bearing extension shaft is nested inside the bearing shell, the sealing ring is nested inside a shaft rod of the bearing extension shaft, the bearing sealing cover and the damper upper cover are nested at a rotating shaft of the bearing extension shaft, the top end of the damper shell is ultrasonically welded to the bottom end of the damper upper cover, and the gear is embedded inside the bearing shell;

the bearing shell comprises a limiting groove, a positioning groove, a convex groove and a sliding groove, wherein the positioning groove is formed in the bearing shell, the limiting grooves are formed in the periphery of the positioning groove, the groove is formed in one side of the limiting groove, the sliding groove is formed in the bottom end of the limiting groove, and the symmetrical convex grooves are fixedly connected with the bearing shell;

the gear is including the fixed column, the center fixedly connected with fixed column of gear.

Preferably, the four limit grooves are distributed in equal proportion of 90 degrees, and the gears are symmetrically arranged.

Preferably, the fixing column slides left and right along the sliding groove, and the gear teeth and the groove are matched with each other.

Preferably, the rotation diameter of the gear is consistent with the width of the limiting groove, the gear teeth and the bearing extending shaft teeth are meshed with each other, and the gear is made of plastic materials.

Preferably, the damper housing, the bearing shell, the bearing protruding shaft and the damper upper cover are aligned in an axial center manner.

Preferably, the convex grooves are arranged up and down symmetrically.

Preferably, damping oil is filled in the joints of the damper shell, the bearing shell sleeve and the bearing extension shaft.

The utility model provides a plastics one-way bearing attenuator. The method has the following beneficial effects:

(1) this plastics one-way bearing attenuator, through adopting the one-way structure of electrodeless rotation type, the reversal resistance value is 0 almost, supersound butt fusion bearing shell and bearing closing cap, the epaxial oil blanket that is put of bearing projecting shaft for one-way bearing structure is arranged in damping oil, but inside damping oil can't flow, guarantees the inside operational environment of one-way bearing structure, the bearing projecting shaft is arranged in to the sealing washer, make the resistance moment minimizing of sealing washer frictional force formation, can minimize the resistance value of damping product.

Drawings

Fig. 1 is a schematic view of the overall exploded structure of the present invention.

Fig. 2 is a schematic view of the exploded structure of the bearing housing and the bearing extension shaft of the present invention.

Fig. 3 is a schematic view of the bearing shell of the present invention.

Fig. 4 is a schematic view of the structure of the bearing of the present invention.

In the figure: 1. a damper housing; 2. a bearing shell; 201. a limiting groove; 202. positioning a groove; 203. a groove; 204. a convex groove; 205. a chute; 3. a bearing cover; 4. a bearing extension shaft; 5. an upper damper cover; 6. a gear; 601. fixing a column; 7. and (5) sealing rings.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution: a plastic one-way bearing damper comprises a damper shell 1, a bearing shell 2, a bearing sealing cover 3, a bearing extension shaft 4, a damper upper cover 5, a gear 6 and a sealing ring 7, wherein the bearing shell 2 is nested in the damper shell 1, the bearing extension shaft 4 is nested in the bearing shell 2, the sealing ring 7 is nested in a shaft rod of the bearing extension shaft 4, the bearing sealing cover 3 and the damper upper cover 5 are nested in a rotating shaft of the bearing extension shaft 4, the top end of the damper shell 1 is ultrasonically welded at the bottom end of the damper upper cover 5, and the gear 6 is embedded in the bearing shell 2;

the bearing shell 2 comprises a limiting groove 201, a positioning groove 202, a groove 203, a convex groove 204 and a sliding groove 205, the positioning groove 202 is formed in the bearing shell 2, the limiting groove 201 is formed in the periphery of the positioning groove 202, the groove 203 is formed in one side of the limiting groove 201, the sliding groove 205 is formed in the bottom end of the limiting groove 201, and the bearing shell 2 is fixedly connected with the symmetrical convex grooves 204;

the gear 6 comprises a fixed column 601, and the center of the gear 6 is fixedly connected with the fixed column 601.

Preferably, the four limiting grooves 201 are distributed in equal proportion of 90 degrees, the gears 6 are symmetrically arranged, and the rotating distance of the gears 6 is reduced, so that the gears can more rapidly consume energy.

Preferably, the fixing post 601 slides left and right along the sliding groove 205, and the teeth of the gear 6 are matched with the grooves 203, so that the triggering distance is shortened, and the resistance is generated rapidly.

Preferably, the rotation diameter of the gear 6 is consistent with the width of the limit groove 201, the teeth of the gear 6 are meshed with the teeth of the bearing protruding shaft 4, and the gear 6 is made of plastic material, so that the gear is not subjected to resistance in normal operation.

Preferably, the damper shell 1, the bearing shell 2, the bearing extension shaft 4 and the damper upper cover 5 are aligned in an axis direction, so that the damping interval of the damper is reduced, and the damping efficiency is improved.

Preferably, the convex grooves 204 are arranged symmetrically up and down, so as to fix the bearing shell 2.

Preferably, damping oil is filled in the joints of the damper shell 1, the bearing shell 2 and the bearing extension shaft 4, so that the damping oil cannot flow into the inner part, and the working environment in the one-way bearing structure is ensured.

During use, firstly, the bearing shell 2, the bearing sealing cover 3, the bearing extension 4, the gear 6 and the sealing ring 7 are assembled, then the bearing shell 2 and the damper upper cover 5 are fixed through ultrasonic welding, then the damper shell 1 is fixed, the bearing extension shaft 4 is connected with a required damping device, the gear 6 of the gear of the bearing extension shaft 4 is meshed towards the groove 203 during forward rotation, so that the bearing extension shaft 4, the gear 6 and the bearing shell 2 are mutually constrained and do not move relatively, the gear 6 of the bearing extension shaft 4 reversely moves in a tooth form with one end without the groove 203 during reverse rotation until the gear is completely separated from the groove 203 on the bearing shell 2, the gear 6 idles and cannot be meshed, namely, the bearing extension shaft 4 and the bearing shell 2 rotate relatively, and the whole process is completed.

Claims (7)

1. The utility model provides a plastics one-way bearing attenuator, includes attenuator shell (1), bearing shell (2), bearing closing cap (3), bearing projecting shaft (4), attenuator upper cover (5), gear (6) and sealing washer (7), its characterized in that: a bearing shell (2) is nested in the damper shell (1), a bearing extension shaft (4) is nested in the bearing shell (2), a sealing ring (7) is nested in a shaft rod of the bearing extension shaft (4), a bearing sealing cover (3) and a damper upper cover (5) are nested in a rotating shaft of the bearing extension shaft (4), the top end of the damper shell (1) is ultrasonically welded to the bottom end of the damper upper cover (5), and a gear (6) is embedded in the bearing shell (2);

the bearing shell (2) comprises a limiting groove (201), a positioning groove (202), a groove (203), a convex groove (204) and a sliding groove (205), the positioning groove (202) is formed in the bearing shell (2), the limiting grooves (201) are formed in the periphery of the positioning groove (202), the groove (203) is formed in one side of the limiting groove (201), the sliding groove (205) is formed in the bottom end of the limiting groove (201), and the bearing shell (2) is fixedly connected with the symmetrical convex grooves (204);

the gear (6) comprises a fixing column (601), and the center of the gear (6) is fixedly connected with the fixing column (601).

2. A plastic one-way bearing damper as claimed in claim 1 wherein: the four limiting grooves (201) are distributed in equal proportion of 90 degrees, and the gears (6) are symmetrically arranged.

3. A plastic one-way bearing damper as claimed in claim 1 wherein: the fixing column (601) slides left and right along the sliding groove (205), and teeth of the gear (6) are matched with the groove (203).

4. A plastic one-way bearing damper as claimed in claim 1 wherein: the rotating diameter of the gear (6) is consistent with the width of the limiting groove (201), the teeth of the gear (6) are meshed with the teeth of the bearing extension shaft (4), and the gear (6) is made of plastic.

5. A plastic one-way bearing damper as claimed in claim 1 wherein: the damper shell (1), the bearing shell sleeve (2), the bearing extension shaft (4) and the damper upper cover (5) are aligned in an axis direction.

6. A plastic one-way bearing damper as claimed in claim 1 wherein: the convex grooves (204) are arranged up and down symmetrically.

7. A plastic one-way bearing damper as claimed in claim 1 wherein: damping oil is filled in the joints of the damper shell (1), the bearing shell sleeve (2) and the bearing extension shaft (4).

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