CN212170474U - Waterproof joint module suitable for arm - Google Patents
Waterproof joint module suitable for arm Download PDFInfo
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- CN212170474U CN212170474U CN202020353295.1U CN202020353295U CN212170474U CN 212170474 U CN212170474 U CN 212170474U CN 202020353295 U CN202020353295 U CN 202020353295U CN 212170474 U CN212170474 U CN 212170474U
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Abstract
The utility model discloses a waterproof joint module suitable for an mechanical arm, which relates to the field of mechanical arms and comprises a joint output flange, a joint input flange and a joint module; the joint output flange is L-shaped as a whole, and the joint input flange and the joint output flange have the same structure; an output end sealing cover is arranged between the joint output flange and the joint input flange, the top surface of the output end sealing cover is fixedly connected with the joint output flange through an output screw, and the bottom of the output end sealing cover penetrates through a central through hole of the joint input flange; the output flange passes through bolted connection with sealed casing up end, and joint module longitudinal section top is the echelonment, including first step plane and second step plane, evenly is provided with a plurality of screws on first step plane and the second step plane, and first step plane and the sealed lid underrun module output screw of output are connected, and second step plane and sealed casing pass through module set screw fixed connection.
Description
Technical Field
The utility model relates to an arm field especially relates to a waterproof joint module suitable for arm.
Background
General joint module does not have waterproof function in the market, and underwater robot is high integrated, and the structure is complicated, and the precision is not high, and sealed position is more, leads to the leakproofness unreliable, and the assembly process is more complicated, often needs wholly to unpack when repairing and trade the part. The sealing scheme of the underwater robot mainly adopts mechanical sealing or an O-shaped sealing ring, so that the problem of short service life or high processing requirement is solved, and a joint module which can be waterproof, suitable for underwater operation, simple in assembly and long in service life is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof joint module suitable for arm.
In order to achieve the above object, the utility model provides a following technical scheme:
a waterproof joint module suitable for a mechanical arm comprises a joint output flange, a joint input flange and a joint module; the joint output flange is L-shaped as a whole, a central through hole and a plurality of screw holes for connection are formed in the two planes, and the joint input flange and the joint output flange are identical in structure; an output end sealing cover is arranged between the joint output flange and the joint input flange, screw holes for connection are formed in the edge of the top surface and the edge of the bottom surface of the output end sealing cover, the top surface of the output end sealing cover and the joint output flange are fixedly connected through output screws, and the bottom of the output end sealing cover penetrates through a central through hole of the joint input flange; a sealing shell is sleeved outside the joint module, and a screw hole is formed in the edge of the top of the sealing shell and connected with a joint input flange through an input screw; the top of the longitudinal section of the joint module is in a step shape and comprises a first step plane and a second step plane, a plurality of screw holes are uniformly formed in the first step plane and the second step plane, the first step plane and the bottom surface of the output end sealing cover are connected through module output screws, and the second step plane and the sealing shell are fixedly connected through module fixing screws; and a sealing end cover is arranged at the bottom of the sealing shell and is sealed through the sealing end cover.
Various mechanical arms can be connected and combined through the joint input flange and the joint output flange, so that the disassembly modularization is realized, the maintenance and the replacement are quick and simple, the structure of the underwater robot is simplified, the precision of the underwater robot is improved by using the joint module, and the size is reduced.
Furthermore, a joint output O-shaped sealing ring is arranged between the output end sealing cover and the joint output flange. The sealing performance is enhanced, and the sealing device is suitable for various complex liquid environments.
Furthermore, a spring energy storage sealing ring is arranged at the connecting position of the sealing shell and the joint input flange. The polytetrafluoroethylene spring energy storage sealing ring can bear high pressure, is suitable for deepwater operation, has small sliding friction force, is heat-resistant and small in abrasion, and the service life of the polytetrafluoroethylene spring energy storage sealing ring is greatly prolonged.
Furthermore, a watertight connector for controlling an internal power supply and a circuit is arranged on the sealing shell. The internal power supply and the control circuit are connected with the outside through a watertight connector.
Further, the sealing shell is made of stainless steel.
Furthermore, the sealing end cover is fixedly connected with the sealing shell through an end cover screw, and an end cover O-shaped sealing ring is arranged at the connecting position of the sealing end cover and the sealing shell. The sealing performance is enhanced, and the sealing device is suitable for various complex liquid environments.
Compared with the prior art, the utility model discloses outside seal housing adopts stainless steel to make, prevent corrosion and rust, rotary seal between seal housing and the joint input flange adopts the spring energy storage sealing washer, can bear the high pressure, be applicable to deep water operation, and spring energy storage sealing washer sliding friction is little, and is heat-resisting, wearing and tearing are little, life has obtained very big promotion, the joint output flange and the sealed lid of output at both ends, the O type sealing washer is adopted in the sealed static of end cover and seal housing, be applicable to various complicated liquid environment, can make up out suitable arm through joint input flange and joint output flange, the utility model discloses make transmission simple structure, the precision has obtained very big promotion, convenient assembling, repair need not whole unpack apart only to change the part can.
Drawings
Fig. 1 is an explosion diagram of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Reference numerals: 1-joint output flange; 2-a joint input flange; 3-a joint module; 4-output end sealing cover; 5-output screw; 6-sealing the shell; 7-input screw; 8-module output screw; 9-module set screws; 10-sealing the end cap; 11-joint output O-ring; 12-spring energy storage sealing ring; 13-watertight connector; 14-end cap screws; 15-end cap O-ring seal.
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.
The utility model provides a waterproof joint module suitable for a mechanical arm, which is shown in a figure 1-3 and comprises a joint output flange 1, a joint input flange 2 and a joint module 3; the joint output flange 1 is L-shaped as a whole, a central through hole and a plurality of screw holes for connection are formed in the two planes, the central through hole is generally used for connecting other access components, the screw holes are used for fixing the access components, and the joint input flange 2 and the joint output flange 1 are identical in structure.
Be provided with the sealed lid 4 of output between joint output flange 1 and the joint input flange 2, the sealed lid 4 top surface edge of output all is equipped with the screw of connecting usefulness with bottom surface edge, through output screw 5 fixed connection between the sealed lid 4 top surface of output and the joint output flange 1, be provided with joint output O type sealing washer 11 between the sealed lid 4 of output and the joint output flange 1, here is fixed quiet connection, joint output O type sealing washer 11 is made for the polytetrafluoroethylene material, it is corrosion-resistant good, can be applicable to various complicated liquid environment.
The joint module 3 is externally sleeved with a sealing shell 6, the sealing shell 6 is made of stainless steel and is prevented from rusting, a screw hole is formed in the edge position of the top of the sealing shell 6 and is connected with the joint input flange 2 through an input screw 7, a spring energy storage sealing ring 12 is arranged at the connecting position of the sealing shell 6 and the joint input flange 2, and the spring energy storage sealing mode can bear high pressure, so that deep water operation can be performed, the position is dynamic sealing, the spring energy storage sealing ring 12 is made of polytetrafluoroethylene, and the spring energy storage sealing ring 12 is small in sliding friction force, heat-resistant and small in abrasion, so that the service life is greatly prolonged.
The top of the longitudinal section of the joint module 3 is in a step shape and comprises a first step plane and a second step plane, a plurality of screw holes are uniformly formed in the first step plane and the second step plane, the bottom of the output end sealing cover 4 penetrates through a center through hole of the joint input flange 2 to be connected with the first step plane through a module output screw 8, and the second step plane is fixedly connected with the sealing shell 6 through a module fixing screw 9.
The bottom of the sealing shell 6 is provided with a sealing end cover 10, the sealing end cover 10 is sealed through the sealing end cover 10, the sealing end cover 10 is fixedly connected with the sealing shell 6 through an end cover screw 14, an end cover O-shaped sealing ring 15 is arranged at the connecting position of the sealing end cover 10 and the sealing shell 6, the end cover O-shaped sealing ring 15 is also made of polytetrafluoroethylene, and static sealing is achieved.
The sealed shell 6 is provided with a watertight connector 13 for controlling an internal power supply and a circuit, and the internal power supply and the control circuit are connected with the outside through the watertight connector 13.
The utility model discloses a total 4 sealing position of this structure: firstly, joint output O-shaped rings 11 are adopted for static sealing between the output end sealing cover 4 and the joint output flange 1. And secondly, a spring energy storage sealing ring 12 is adopted for shaft sealing between the joint input flange 2 and the joint output flange 1. And thirdly, an end cover O-shaped sealing ring 15 is adopted for static sealing between the sealing end cover 10 and the sealing shell 6. And fourthly, the joint module 3 is connected with an external wiring through a watertight connector 13.
During assembly, the joint input method flange 2 is connected with the flange of the arm, the connecting line is inserted, and during repair, the external connection at the position of the watertight connector 13 is pulled out, and joints of all parts to be replaced are detached.
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.
Claims (6)
1. A waterproof joint module suitable for a mechanical arm is characterized by comprising a joint output flange (1), a joint input flange (2) and a joint module (3); the joint output flange (1) is L-shaped as a whole, a central through hole and a plurality of screw holes for connection are formed in two planes, and the joint input flange (2) and the joint output flange (1) are identical in structure; an output end sealing cover (4) is arranged between the joint output flange (1) and the joint input flange (2), the edge of the top surface and the edge of the bottom surface of the output end sealing cover (4) are both provided with screw holes for connection, the top surface of the output end sealing cover (4) is fixedly connected with the joint output flange (1) through an output screw (5), and the bottom of the output end sealing cover (4) penetrates through a central through hole of the joint input flange (2); a sealing shell (6) is sleeved outside the joint module (3), and a screw hole is formed in the edge position of the top of the sealing shell (6) and connected with the joint input flange (2) through an input screw (7); the top of the longitudinal section of the joint module (3) is in a step shape and comprises a first step plane and a second step plane, a plurality of screw holes are uniformly formed in the first step plane and the second step plane, the first step plane is connected with the bottom surface of the output end sealing cover (4) through a module output screw (8), and the second step plane is fixedly connected with the sealing shell (6) through a module fixing screw (9); and a sealing end cover (10) is arranged at the bottom of the sealing shell (6) and is sealed through the sealing end cover (10).
2. The waterproof joint module suitable for the mechanical arm is characterized in that a joint output O-shaped sealing ring (11) is arranged between the output end sealing cover (4) and the joint output flange (1).
3. The waterproof joint module suitable for the mechanical arm is characterized in that a spring energy storage sealing ring (12) is arranged at the connecting position of the sealing shell (6) and the joint input flange (2).
4. The waterproof joint module suitable for a mechanical arm as claimed in claim 1, wherein the sealed shell (6) is provided with a watertight connector (13) for controlling an internal power supply and a circuit.
5. The watertight joint module for a robot arm according to claim 1, characterized in that the sealing housing (6) is made of stainless steel.
6. The waterproof joint module suitable for the mechanical arm is characterized in that the end cover (10) is fixedly connected with the sealing shell (6) through an end cover screw (14), and an end cover O-shaped sealing ring (15) is arranged at the connecting position of the end cover (10) and the sealing shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353295.1U CN212170474U (en) | 2020-03-19 | 2020-03-19 | Waterproof joint module suitable for arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020353295.1U CN212170474U (en) | 2020-03-19 | 2020-03-19 | Waterproof joint module suitable for arm |
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| Publication Number | Publication Date |
|---|---|
| CN212170474U true CN212170474U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020353295.1U Active CN212170474U (en) | 2020-03-19 | 2020-03-19 | Waterproof joint module suitable for arm |
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| CN (1) | CN212170474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7464641B2 (en) | 2022-03-14 | 2024-04-09 | ナブテスコ株式会社 | Waterproof structure of reducer and rotating device |
-
2020
- 2020-03-19 CN CN202020353295.1U patent/CN212170474U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7464641B2 (en) | 2022-03-14 | 2024-04-09 | ナブテスコ株式会社 | Waterproof structure of reducer and rotating device |
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