CN212706870U - Sealing structure, mechanical arm and robot - Google Patents
Sealing structure, mechanical arm and robot Download PDFInfo
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- CN212706870U CN212706870U CN202021408338.8U CN202021408338U CN212706870U CN 212706870 U CN212706870 U CN 212706870U CN 202021408338 U CN202021408338 U CN 202021408338U CN 212706870 U CN212706870 U CN 212706870U
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Abstract
The utility model discloses a seal structure, arm and robot. Wherein, this seal structure includes: installing a metal plate and a waterproof plug; the installation metal plate is arranged on the elbow casting and provided with an installation hole; waterproof end cap includes first sleeve part and second sleeve part, the second sleeve part is provided with the line hole, first sleeve part cover is located the second sleeve part, and the extrusion the second sleeve part, so that the second sleeve part presss from both sides tightly the cable of line hole department, first sleeve part and/or second sleeve part is worn to locate the mounting hole. The utility model discloses seal structure realizes the convenient dismouting of arm.
Description
Technical Field
The utility model relates to the technical field of robot, in particular to seal structure, use this seal structure's arm and robot.
Background
The robot has a compact structure, a narrow internal space and a relatively large motor size, so that the motor below the elbow joint can be installed outside the cavity, the motor above the elbow joint can be installed inside the cavity, and a cable is required to enter the cavity from the outside of the cavity. Conventionally, adopt the wall board as the connecting piece, realize sealed between cavity and the cable, need pass the cable from the aperture in the middle of the wall board earlier, realize sealed between cable and the wall board, then will wear the wall board and press the corresponding trompil department of foundry goods. Because hole diameter on the foundry goods is slightly littleer than the wallboard diameter of wearing, need scribble sealed glue in the installation, lead to the installation complicated, and when the robot had the trouble, be difficult to carry out the dismantlement of wearing the wallboard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a seal structure aims at simplifying the dismouting of walking the line structure on the arm, simplification arm.
In order to achieve the above object, the utility model provides a seal structure includes:
the mounting metal plate is arranged on the elbow casting and provided with a mounting hole; and
the waterproof plug comprises a first sleeve part and a second sleeve part, the second sleeve part is provided with a wire passing hole, the first sleeve part is sleeved on the second sleeve part and is extruded on the second sleeve part, so that the second sleeve part is clamped tightly on a cable of the wire passing hole, and the first sleeve part and/or the second sleeve part are arranged in the mounting hole in a penetrating mode.
In an embodiment of the present invention, one end of the second sleeve member away from the mounting metal plate is provided with a plurality of positioning portions, and the plurality of positioning portions are arranged around the wire passing hole;
the first sleeve piece is sleeved on the second sleeve piece, and the inner wall surface of the first sleeve piece is abutted to the positioning portions so that the positioning portions are closed and clamp the cable.
In an embodiment of the present invention, the second sleeve member includes:
the first cylinder part penetrates through the mounting hole, the first cylinder part is provided with the wire passing hole, and one end, away from the mounting metal plate, of the wire passing hole is provided with a limiting groove; and
the second section of thick bamboo portion, the second section of thick bamboo portion includes barrel and a plurality of location portion, the barrel at least part hold in the spacing groove, the barrel corresponds the line hole is provided with the hole of stepping down, and is a plurality of location portion is located the barrel deviates from the one end of installation panel beating, and encircles the hole setting of stepping down.
In an embodiment of the present invention, an inner thread is provided on an inner wall surface of the first sleeve member;
the periphery side of the first cylinder part is provided with external threads, and the first cylinder part is in threaded connection with the first sleeve part.
In an embodiment of the present invention, a boss is convexly disposed on an outer wall surface of the first sleeve member, the boss surrounds the first sleeve member, and a plurality of folding angles are formed on a periphery of the boss.
In an embodiment of the present invention, the waterproof plug further includes a nut;
the protruding spacing platform that is equipped with in week of barrel, the barrel wears to locate the mounting hole, the barrel passes the one end of mounting hole with nut threaded connection, so that the installation panel beating with spacing platform with the nut butt.
In an embodiment of the present invention, the mounting metal plate is further provided with a sealing groove, and the sealing groove is disposed around the mounting hole;
the sealing structure further comprises a sealing washer, the sealing washer is arranged in the sealing groove, and the sealing washer is clamped between the limiting table and the installation metal plate.
In an embodiment of the present invention, the mounting metal plate is provided with a plurality of mounting holes, the sealing structure includes a plurality of waterproof plugs, and one of the waterproof plugs is disposed at one of the mounting holes;
and/or, the installation panel beating still is provided with a plurality of locking holes, and is a plurality of locking hole with the mounting hole interval sets up, and the mounting passes locking hole is connected with the elbow foundry goods, so that the installation panel beating closure in on the elbow foundry goods.
The embodiment of the utility model provides a still provide a mechanical arm, reach including elbow foundry goods, cable seal structure, the elbow foundry goods is provided with dodges the hole, seal structure's installation panel beating is located the elbow foundry goods, and airtight dodge the hole.
An embodiment of the utility model provides a still provide a robot, including control circuit with the arm, control circuit with the arm electricity is connected.
The technical scheme of the utility model adopts the installation sheet metal as the connecting piece, the installation sheet metal is arranged on the elbow casting, and adopts the structure that the first sleeve piece is sleeved on the second sleeve piece, so that the first sleeve piece and the second sleeve piece are matched to clamp the cable, thereby realizing the detachable structure between the first sleeve piece and the cable as well as between the second sleeve piece and the cable; and then the first sleeve part, the second sleeve part and the cable are arranged on the installation sheet metal together, so that the sealing between the waterproof plug and the installation sheet metal is realized, the first sleeve part, the second sleeve part, the cable and the installation sheet metal form a whole, and the installation convenience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of an embodiment of the sealing structure of the present invention;
FIG. 2 is a cross-sectional view of the seal structure of FIG. 1;
fig. 3 is a schematic structural view of the waterproof plug in fig. 1.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a seal structure is used for connecting the elbow foundry goods and the cable of robot to guarantee the leakproofness between elbow foundry goods and the cable. Referring to fig. 1 in particular, it is a schematic view of an assembly structure of an embodiment of the sealing structure of the present invention; referring to FIG. 2, a cross-sectional view of the seal structure of FIG. 1 is shown; fig. 3 is a schematic structural view of the waterproof plug in fig. 1.
In an embodiment of the present invention, as shown in fig. 1 in combination with fig. 2 and 3, the sealing structure includes: installing a metal plate 1 and a waterproof plug 2; wherein, the installation sheet metal 1 is arranged on the elbow casting 3, and the installation sheet metal 1 is provided with an installation hole 11; the waterproof plug 2 comprises a first sleeve part 21 and a second sleeve part 22, the second sleeve part 22 is provided with a wire passing hole 228, the first sleeve part 21 is sleeved on the second sleeve part 22, the second sleeve part 22 is extruded, so that the second sleeve part 22 clamps the cable 4 at the wire passing hole 228, and the first sleeve part 21 and/or the second sleeve part 22 penetrate through the installation hole 11.
It is to be understood that the first sleeve member 21 may be connected to the inner wall surface of the mounting hole 11; alternatively, the second sleeve member 22 is connected to the inner wall surface of the mounting hole 11; alternatively, the first sleeve member 21 and the second sleeve member 22 are both connected to the inner wall surface of the mounting hole 11.
When the first sleeve member 21 is connected to the inner wall surface of the mounting hole 11, it is considered that the outer wall surface of the first sleeve member 21 is in interference fit with the inner wall surface of the mounting hole 11; or, the outer wall surface of the first sleeve member 21 is screwed with the inner wall surface of the mounting hole 11; or, the waterproof plug 2 further includes a nut 23, and the nut 23 is connected with the first sleeve member 21 to lock the first sleeve member 21 on the mounting metal plate 1, so that the second sleeve member 22 is positioned on the mounting metal plate 1.
When the second sleeve member 22 is connected with the inner wall surface of the mounting hole 11, the first sleeve member 21 is sleeved on the second sleeve member 22, and the second sleeve member 22 is partially exposed out of the first sleeve member 21; that is, the part of the second sleeve member 22 exposed out of the first sleeve member 21 is in interference fit with the inner wall surface of the mounting hole 11; the part of the second sleeve piece 22 exposed out of the first sleeve piece 21 is in threaded connection with the inner wall surface of the mounting hole 11; or, the waterproof plug 2 further includes a nut 23, the nut 23 is in threaded connection with a portion of the second sleeve member 22 exposed out of the first sleeve member 21, the second sleeve member 22 is locked to the mounting sheet metal 1, and the first sleeve member 21 is positioned on the mounting sheet metal 1.
When the first sleeve piece 21 and the second sleeve piece 22 are both connected with the inner wall surface of the mounting hole 11, it can be considered that when the first sleeve piece 21 is sleeved on the second sleeve piece 22, the circumferential side walls of the first sleeve piece 21 and the second sleeve piece 22 are not shielded from each other; that is, the circumferential sides of the first sleeve member 21 and the second sleeve member 22 may each be interference-fitted with the inner wall surface of the mounting hole 11; alternatively, the peripheral sides of the first sleeve member 21 and the second sleeve member 22 may be both screwed to the inner wall surface of the mounting hole 11; or, the waterproof plug 2 further includes a nut 23, and the nut 23 is in threaded connection with the peripheral side walls of the second sleeve member 22 and the first sleeve member 21.
In this embodiment, the first sleeve member 21 is sleeved on the second sleeve member 22, and the second sleeve member 22 is pressed to clamp the cable 4 at the cable passing hole 228 by the second sleeve member 22. It is contemplated that the second sleeve member 22 may be partially or entirely made of an elastic material, and when the first sleeve member 21 is connected to the second sleeve member 22, the inner wall surface of the first sleeve member 21 may press the second sleeve member 22, so that the second sleeve member 22 is drawn toward the wire passing hole 228 to clamp the cable 4.
In an embodiment of the present invention, as shown in fig. 2 and fig. 3, a plurality of positioning portions 226 are disposed at an end of the second sleeve member 22 away from the mounting metal plate 1, and the positioning portions 226 are disposed around the wire passing hole 228;
the first sleeve member 21 is sleeved on the second sleeve member 22, and the inner wall surface of the first sleeve member 21 abuts against the plurality of positioning portions 226, so that the plurality of positioning portions 226 are closed and clamp the cable 4.
In this embodiment, the first sleeve member 21 is detachably connected to the second sleeve member 22, the inner wall surface of the first sleeve member 21 presses the plurality of positioning portions 226, and the plurality of positioning portions 226 are close to each other to clamp the cable 4.
In an embodiment of the present invention, as shown in fig. 2 and 3, the second sleeve member 22 includes: a first cylinder 221 and a second cylinder 222; the first tube part 221 penetrates through the mounting hole 11, the first tube part 221 is provided with the wire passing hole 228, and one end, away from the mounting metal plate 1, of the wire passing hole 228 is provided with a limiting groove 225; the second section of thick bamboo 222 includes barrel 223 and a plurality of location portion 226, barrel 223 at least part hold in spacing groove 225, barrel 223 corresponds it is provided with the hole of stepping down 224 to cross line hole 228, and is a plurality of location portion 226 is located barrel 223 deviates from the one end of installation panel beating 1, and encircles the hole of stepping down 224 sets up.
In the present embodiment, the first cylinder 221 and the second cylinder 222 are detachably configured so that the first cylinder 221 and the second cylinder 222 can be easily attached and detached. That is, when the second cylinder 222 ages, it can be removed and replaced with a new second cylinder 222.
Optionally, the second cylinder portion 222 may be made of silicone and/or plastic.
Alternatively, the first cylinder 221 may be made of metal.
Optionally, the first sleeve member 21 is sleeved on the cylinder 223 and the plurality of positioning portions 226; it can be understood that the first sleeve 21 is provided with a fastening portion, the cylinder 223 is provided with a fastening portion, and the fastening portion is opposite to the fastening portion when the first sleeve 21 is sleeved on the cylinder 223 and the plurality of positioning portions 226.
Optionally, the first sleeve member 21 is sleeved on the cylinder 223 and the plurality of positioning portions 226; it can be understood that the first sleeve 21 is provided with a fastening portion, the positioning portions 226 are provided with fastening portions, and the fastening portions are opposite to the fastening portions when the first sleeve 21 is sleeved on the barrel 223 and the positioning portions 226.
Optionally, the first sleeve member 21 is sleeved on the cylinder 223 and the plurality of positioning portions 226; it can be understood that the first sleeve 21 is provided with a fastening portion, the barrel 223 and the plurality of positioning portions 226 are provided with fastening portions, and the fastening portions are opposite to the fastening portions when the first sleeve 21 is sleeved on the barrel 223 and the plurality of positioning portions 226.
Optionally, the first sleeve member 21 is sleeved on the plurality of positioning portions 226; it can be understood that the first sleeve 21 is provided with a fastening portion, the positioning portions 226 are provided with fastening portions, and when the first sleeve 21 is sleeved on the positioning portions 226, the fastening portions are opposite to the fastening portions.
Optionally, the fastening part can be a buckle, and the fastening part can be a buckle groove; alternatively, the fastening portion may be a slot and the positioning portion may be a buckle.
Alternatively, an internal thread may be provided on an inner wall surface of the first sleeve member 21, an external thread may be provided on an outer wall surface of the cylinder 223 and/or the plurality of positioning portions 226, and the internal thread and the external thread may be screwed when the first sleeve member 21 is fitted over the cylinder 223 and/or the plurality of positioning portions 226.
In an embodiment of the present invention, as shown in fig. 2 and 3, the inner wall surface of the first sleeve member 21 is provided with an internal thread; the cylindrical body 223 is provided with an external thread on its circumferential side, and the cylindrical body 223 is screwed to the first sleeve member 21.
In the present embodiment, the first sleeve member 21 and the barrel 223 are screwed together, so that the connection strength between the first sleeve member 21 and the second sleeve member 22 is improved. While allowing the first sleeve member 21 to press the plurality of positioning portions 226 to effect the clamping of the cable 4.
In an embodiment of the present invention, as shown in fig. 2 and fig. 3, a boss 211 is convexly disposed on an outer wall surface of the first sleeve 21, the boss 211 is disposed around the first sleeve 21, a plurality of inclined surfaces are formed on a periphery of the boss 211, and the plurality of inclined surfaces surround a periphery of the boss 211, and two adjacent inclined surfaces are disposed at an included angle.
In this embodiment, a convex plate 211 is convexly provided on the outer wall surface of the first sleeve 21, a plurality of inclined surfaces are formed on the periphery of the convex plate 211, and two adjacent inclined surfaces are arranged at an included angle, so that a plurality of inclined surfaces can be formed on the outer surface of the first sleeve 21, and the first sleeve 21 and the second sleeve 22 can be screwed by a wrench or a pliers.
It will be appreciated that the periphery of the boss 211 is formed with a plurality of inclined surfaces, and adjacent inclined surfaces are angled so that the first sleeve member 21 is formed into a nut-like configuration for manual tightening.
In an embodiment of the present invention, as shown in fig. 2 and 3, the waterproof plug 2 further includes a nut 23; the circumferential side of the cylinder 223 is convexly provided with a limit table 227, the cylinder 223 penetrates through the mounting hole 11, and one end of the cylinder 223 penetrating through the mounting hole 11 is in threaded connection with the nut 23, so that the mounting metal plate 1 is abutted against the limit table 227 and the nut 23.
In the embodiment, the nut 23 and the cylinder 223 are connected to penetrate through one end of the mounting hole 11, so that the nut 23 locks the second sleeve member 22 on the mounting sheet metal 1, and the mounting sheet metal 1 abuts against the limiting table 227 and the nut 23, so that the mounting sheet metal 1 and the limiting table 227 and the nut 23 are hermetically connected to enhance the sealing performance.
Optionally, a sealing gasket may be placed between the mounting sheet metal 1 and the limit table 227 and the nut 23.
In an embodiment of the present invention, as shown in fig. 2 and 3, the mounting metal plate 1 is further provided with a sealing groove 12, and the sealing groove 12 is disposed around the mounting hole 11; the sealing structure further comprises a sealing washer 13, the sealing washer 13 is arranged in the sealing groove 12, and the sealing washer 13 is clamped between the limiting table 227 and the installation metal plate 1.
In the present embodiment, it is adopted that a sealing gasket 13 is provided between the mounting sheet metal 1 and the limit table 227 to enhance the sealing property between the mounting sheet metal 1 and the second sleeve member 22.
The utility model discloses an in the embodiment, combine shown in fig. 2 and fig. 3, installation panel beating 1 is provided with a plurality of mounting holes 11, and seal structure includes a plurality of waterproof end caps 2, and a mounting hole 11 department is located to a waterproof end cap 2 to in connect many cables 4 through a plurality of waterproof end caps 2.
The utility model discloses an in the embodiment, installation panel beating 1 still is provided with a plurality of locking holes 14, and a plurality of locking holes 14 set up with 11 intervals of mounting hole, and the mounting passes locking holes 14 to be connected with elbow foundry goods 3 to make installation panel beating 1 closure on elbow foundry goods 3.
Optionally, a sealing gasket may be provided between the mounting sheet metal 1 and the elbow casting 3.
In an embodiment of the present invention, as shown in fig. 2 and 3, the elbow casting 3 is a metal casting of any shape, the middle of the elbow casting 3 is provided with an accommodating cavity, the elbow casting 3 is provided with a avoiding hole 31, and the avoiding hole 31 communicates with the accommodating cavity. The mounting metal plate 1 is mounted on the elbow casting 3 and covers the avoiding hole 31.
It will be appreciated that the mounting sheet metal 1 is in close proximity to the elbow casting 3.
The utility model discloses still provide a mechanical arm, it is shown in combination figure 1, this mechanical arm includes elbow foundry goods 3, cable and seal structure, and above-mentioned embodiment is referred to this seal structure's concrete structure, because this mechanical arm has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary detail here. Wherein, elbow foundry goods 3 are provided with dodges the hole, seal structure's installation panel beating 3 is located the elbow foundry goods is and airtight dodge hole 31.
The utility model discloses still provide a robot, this robot includes control circuit and arm, and the concrete structure of this arm refers to above-mentioned embodiment, because this robot has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein the control circuit is electrically connected with the mechanical arm.
It is understood that the control circuit is a circuit configuration with a micro control unit.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all under the inventive concept, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A sealing structure for connecting an elbow casting of a robot and a cable, characterized by comprising:
the mounting metal plate is arranged on the elbow casting and provided with a mounting hole; and
the waterproof plug comprises a first sleeve part and a second sleeve part, the second sleeve part is provided with a wire passing hole, the first sleeve part is sleeved on the second sleeve part and is extruded on the second sleeve part, so that the second sleeve part is clamped tightly on a cable of the wire passing hole, and the first sleeve part and/or the second sleeve part are arranged in the mounting hole in a penetrating mode.
2. The sealing structure according to claim 1, wherein one end of the second sleeve member facing away from the mounting sheet metal is provided with a plurality of positioning portions, and the plurality of positioning portions are arranged around the wire passing hole;
the first sleeve piece is sleeved on the second sleeve piece, and the inner wall surface of the first sleeve piece is abutted to the positioning portions so that the positioning portions are closed and clamp the cable.
3. The seal structure of claim 2, wherein the second sleeve member includes:
the first cylinder part penetrates through the mounting hole, the first cylinder part is provided with the wire passing hole, and one end, away from the mounting metal plate, of the wire passing hole is provided with a limiting groove; and
the second section of thick bamboo portion, the second section of thick bamboo portion includes barrel and a plurality of location portion, the barrel at least part hold in the spacing groove, the barrel corresponds the line hole is provided with the hole of stepping down, and is a plurality of location portion is located the barrel deviates from the one end of installation panel beating, and encircles the hole setting of stepping down.
4. A seal arrangement according to claim 3, wherein the inner wall surface of the first sleeve member is provided with an internal thread;
the periphery side of the first cylinder part is provided with external threads, and the first cylinder part is in threaded connection with the first sleeve part.
5. The seal structure of claim 4, wherein the first sleeve member has a boss protruding from an outer wall surface thereof, the boss being disposed around the first sleeve member, the boss having a plurality of inclined surfaces formed at a periphery thereof, and two adjacent inclined surfaces being disposed at an included angle.
6. The sealing structure of claim 3, wherein the waterproof plug further comprises a nut;
the protruding spacing platform that is equipped with in week of barrel, the barrel wears to locate the mounting hole, and with nut threaded connection, so that the installation panel beating with spacing platform with the nut butt.
7. The seal structure of claim 6, wherein said mounting sheet metal is further provided with a seal groove disposed around said mounting hole;
the sealing structure further comprises a sealing washer, the sealing washer is arranged in the sealing groove, and the sealing washer is clamped between the limiting table and the installation metal plate.
8. The sealing structure according to any one of claims 1 to 7, wherein the mounting sheet metal is provided with a plurality of mounting holes, the sealing structure comprises a plurality of waterproof plugs, and one waterproof plug is provided at one mounting hole;
and/or, the installation panel beating still is provided with a plurality of locking holes, and is a plurality of locking hole with the mounting hole interval sets up, and the mounting passes locking hole is connected with the elbow foundry goods, so that the installation panel beating closure in on the elbow foundry goods.
9. A mechanical arm is characterized by comprising an elbow casting, a cable and the sealing structure according to any one of claims 1 to 8, wherein the elbow casting is provided with an avoiding hole, and an installation sheet metal of the sealing structure is arranged on the elbow casting and is sealed with the avoiding hole.
10. A robot comprising a control circuit and a robotic arm as claimed in claim 9, the control circuit being electrically connected to the robotic arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408338.8U CN212706870U (en) | 2020-07-16 | 2020-07-16 | Sealing structure, mechanical arm and robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408338.8U CN212706870U (en) | 2020-07-16 | 2020-07-16 | Sealing structure, mechanical arm and robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212706870U true CN212706870U (en) | 2021-03-16 |
Family
ID=74906466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021408338.8U Active CN212706870U (en) | 2020-07-16 | 2020-07-16 | Sealing structure, mechanical arm and robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212706870U (en) |
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2020
- 2020-07-16 CN CN202021408338.8U patent/CN212706870U/en active Active
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