CN217122773U - Bendable grinding machine - Google Patents
Bendable grinding machine Download PDFInfo
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- CN217122773U CN217122773U CN202123018963.9U CN202123018963U CN217122773U CN 217122773 U CN217122773 U CN 217122773U CN 202123018963 U CN202123018963 U CN 202123018963U CN 217122773 U CN217122773 U CN 217122773U
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- connector
- shaft
- polishing
- transmission shaft
- flexible
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Abstract
The utility model relates to a bendable polisher, including unit head, connection flexible axle, connector, transmission shaft and polishing subassembly, the connection flexible axle with the unit head transmission is connected, the connector with the connection flexible axle is connected, polishing subassembly detachable with the transmission shaft is connected, the transmission shaft with the connector is detachable to be connected; the connector includes the cover body set internally is provided with first connector and the second connector that connects gradually, first connector with it connects to connect the flexible axle, the second connector with the subassembly detachable connection of polishing. The utility model has the advantages that: by bending the connecting flexible shaft to different angles, the polishing assembly can extend into an area which cannot be extended into a common handheld polishing machine, and polishing on different occasions can be realized; the subassembly of polishing is connected with the transmission shaft is detachable, can conveniently change the subassembly of polishing according to the region of treating to polish, and then the extension scope of polishing.
Description
Technical Field
The utility model belongs to the technical field of the flexible polisher, especially, relate to flexible polisher.
Background
The product of current function is portable handheld polisher, and the structure comprises outside casing, power part, the head triplex of polishing, and this structure flexible polisher can effectively polish to conventional small-size product. However, the existing handheld bendable sander cannot perform sanding in some narrow places, such as: 1. the diameter is less than 23 mm, and holes with large depth cannot be ground. 2. The equipment that the manual work was difficult to get into, ordinary handheld flexible polisher can't polish. 3. The inner wall of the pipeline with the bending length of less than 40 mm, the right-angle channel and the like cannot be polished.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least partial problem among the prior art, the utility model provides a flexible polisher can conveniently polish to the region that general handheld polisher is difficult to polish.
The utility model relates to a bendable polisher, including unit head, connection flexible axle, connector, transmission shaft and polishing subassembly, the connection flexible axle with the unit head transmission is connected, the connector with the connection flexible axle is connected, polishing subassembly detachable with the transmission shaft is connected, the transmission shaft with the connector is detachable to be connected;
the connector comprises a sleeve body, a first connector and a second connector which are sequentially connected are arranged in the sleeve body, the first connector is connected with the connecting flexible shaft, and the second connector is detachably connected with the polishing assembly;
the second connector comprises a first connector clip, a second connector clip and a connecting shaft, the first connector clip is in contact with the inner wall of the sleeve body, the second connector clip is arranged between the first connector clip and the connecting shaft, the connecting shaft is connected with the first connector, the transmission shaft is inserted into the connecting shaft, and the first connector clip and the second connector clip are annular sleeves.
Further, the first plug member has a first inclined portion, the second plug member has a second inclined portion, and an inner surface of the first inclined portion is in contact with an outer surface of the second inclined portion.
Furthermore, the first plug connector is provided with an internal thread, the second plug connector is provided with an external thread, the internal thread on the first plug connector is matched with the external thread on the second plug connector, and the first plug connector is connected with the second plug connector through threads.
Further, the polishing assembly comprises a first bolt, a second bolt and a polishing head, wherein the extending end of the first bolt is sequentially provided with a first thread section and a second thread section, the diameter of the first thread section is larger than that of the second thread section, the second bolt is sleeved on the transmission shaft and is provided with an extending thread section, the first thread section is detachably connected with the transmission shaft, the thread section is in threaded connection with the first thread section, and the polishing head is arranged between the first bolt and the second bolt.
Furthermore, a flexible sleeve is arranged on the outer side of the connecting flexible shaft, a wear-resistant layer is arranged on the inner wall of the flexible sleeve, and the flexible sleeve is coated by the wear-resistant layer.
Furthermore, the power head is connected with the flexible sleeve through the mounting head, and an output shaft of the power head is directly connected with the connecting flexible shaft or is connected with the connecting flexible shaft through an intermediate piece.
Further, the first inclined part is also provided with a convex ring which protrudes outwards.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through will connecting the flexible axle and crooked to different angles, can stretch into the region that general handheld polisher can't stretch into with the subassembly of polishing, can realize the polishing to different occasions, for example: effectively polishing medium and small diameter deep holes (the diameter is more than 14mm, and the depth is within 3.5 m); effectively polishing parts in equipment which is difficult to enter manually, such as a closed box body with a small opening, the interior of an airplane wing and the like; effectively polishing the interiors of pipelines and the like with bending and turning structures;
2. the polishing assembly is detachably connected with the transmission shaft, so that the polishing assembly can be conveniently replaced according to an area to be polished, and the polishing range is expanded;
3. the second connector includes first plug connector, second plug connector and connecting axle, the inner wall contact of the first plug connector and the cover body, the second plug connector setting is between first plug connector and connecting axle, connecting axle and first connector joint, the transmission shaft is pegged graft in the connecting axle, first plug connector and second plug connector are the ring sleeve, can effectively press from both sides tightly the connecting axle through first plug connector and second plug connector to improve the steadiness that transmission shaft and connecting axle are connected.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is a schematic view of the connection structure of the connecting head and the grinding assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a bendable polisher comprises a power head 1, a connecting flexible shaft 2, a connector 3, a transmission shaft 4 and a polishing assembly 5, wherein the connecting flexible shaft 2 is in transmission connection with the power head 1, the connector 3 is connected with the connecting flexible shaft 2, the polishing assembly 5 is detachably connected with the transmission shaft 4, and the transmission shaft 4 is detachably connected with the connector 3; by bending the connecting flexible shaft 2 to different angles, the polishing assembly 5 can extend into an area which cannot be extended into a common handheld polishing machine, and polishing on different occasions can be realized; the polishing assembly 5 is detachably connected with the transmission shaft 4, so that the polishing assembly 5 can be conveniently replaced according to an area to be polished, and the polishing range is expanded; in the actual implementation process, the power head 1 can adopt a pneumatic driving component, an electric driving component and other driving components which can drive the connecting rotating shaft 2 to rotate;
the connector 3 comprises a sleeve body 31, a first connector 32 and a second connector 33 which are sequentially connected are arranged in the sleeve body 31, the first connector 32 is connected with the connecting flexible shaft 2, and the second connector 33 is detachably connected with the polishing assembly 5;
the second connector 33 comprises a first connector 331, a second connector 332 and a connecting shaft 333, the first connector 331 contacts with the inner wall of the sleeve 31, the second connector 332 is arranged between the first connector 331 and the connecting shaft 333, the connecting shaft 333 is connected with the first connector 32, the transmission shaft 4 is inserted in the connecting shaft 333, and the first connector 331 and the second connector 332 are annular sleeves. The connecting shaft 333 can be effectively clamped by the first and second connectors 331 and 332, thereby improving the stability of the connection between the transmission shaft 4 and the connecting shaft 333.
In the above embodiment, the first plug 331 has the first inclined portion 3311, the second plug 332 has the second inclined portion 3321, and the inner surface of the first inclined portion 3311 is in contact with the outer surface of the second inclined portion 3321.
In the above embodiment, the first connector 331 is provided with an internal thread, the second connector 332 is provided with an external thread, the internal thread of the first connector 331 and the external thread of the second connector 332 are matched with each other, and the first connector 331 and the second connector 332 are connected with each other through a thread.
In the above embodiment, the grinding assembly 5 includes a first bolt 51, a second bolt 52 and a grinding head 53, an extended end of the first bolt 51 sequentially has a first threaded section 511 and a second threaded section 512, a diameter of the first threaded section 511 is greater than a diameter of the second threaded section 512, the second bolt 52 is sleeved on the transmission shaft 4, the second bolt 52 has an extended threaded section 521, the first threaded section 511 is detachably connected to the transmission shaft 4, the threaded section 521 is in threaded connection with the first threaded section 511, and the grinding head 53 is disposed between the first bolt 51 and the second bolt 52.
In the above embodiment, the flexible sleeve 6 is arranged on the outer side of the connecting flexible shaft 2, the inner wall of the flexible sleeve 6 is provided with the wear-resistant layer 61, and the wear-resistant layer 61 covers the flexible sleeve 6.
In the above embodiment, the power head 1 is connected to the flexible sleeve 6 through the mounting head 7, and the output shaft of the power head 1 is directly connected to the connecting flexible shaft 2 or is connected to each other through an intermediate member.
In the above embodiment, the first inclined portion 3311 further has a projecting ring 3312 projecting outwardly therefrom. The protrusion ring 3312 contacts the sidewall of the sleeve 31 to limit the position of the first plug 311, thereby preventing the first plug 331 from penetrating into the sleeve 31 too deeply.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A bendable grinding machine is characterized in that: the electric power tool comprises a power head, a connecting flexible shaft, a connector, a transmission shaft and a polishing assembly, wherein the connecting flexible shaft is in transmission connection with the power head, the connector is connected with the connecting flexible shaft, the polishing assembly is detachably connected with the transmission shaft, and the transmission shaft is detachably connected with the connector;
the connector comprises a sleeve body, a first connector and a second connector which are sequentially connected are arranged in the sleeve body, the first connector is connected with the connecting flexible shaft, and the second connector is detachably connected with the polishing assembly;
the second connector comprises a first connector, a second connector and a connecting shaft, the first connector is in contact with the inner wall of the sleeve body, the second connector is arranged between the first connector and the connecting shaft, the connecting shaft is connected with the first connector, the transmission shaft is inserted into the connecting shaft, and the first connector and the second connector are annular sleeves.
2. The bendable sander according to claim 1, wherein: the first connector has a first inclined portion, the second connector has a second inclined portion, and an inner surface of the first inclined portion is in contact with an outer surface of the second inclined portion.
3. The bendable sander of claim 2, wherein: the first plug connector is provided with an internal thread, the second plug connector is provided with an external thread, the internal thread of the first plug connector is matched with the external thread of the second plug connector, and the first plug connector is connected with the second plug connector through the threads.
4. The bendable sander according to claim 1, wherein: the polishing assembly comprises a first bolt, a second bolt and a polishing head, wherein the extending end of the first bolt is sequentially provided with a first thread section and a second thread section, the diameter of the first thread section is larger than that of the second thread section, the second bolt is sleeved on the transmission shaft, the second bolt is provided with a thread section extending out, the first thread section is detachably connected with the transmission shaft, the thread section is in threaded connection with the first thread section, and the polishing head is arranged between the first bolt and the second bolt.
5. The bendable sander of claim 1, wherein: the flexible connecting shaft is characterized in that a flexible sleeve is arranged on the outer side of the connecting flexible shaft, a wear-resistant layer is arranged on the inner wall of the flexible sleeve, and the flexible sleeve is coated by the wear-resistant layer.
6. The bendable sander of claim 5, wherein: the power head is connected with the flexible sleeve through the mounting head, and an output shaft of the power head is directly connected with the connecting flexible shaft or is connected with the connecting flexible shaft through an intermediate piece.
7. The bendable sander of claim 3, wherein: the first inclined part is also provided with a convex ring which protrudes outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123018963.9U CN217122773U (en) | 2021-12-03 | 2021-12-03 | Bendable grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123018963.9U CN217122773U (en) | 2021-12-03 | 2021-12-03 | Bendable grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217122773U true CN217122773U (en) | 2022-08-05 |
Family
ID=82617835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123018963.9U Active CN217122773U (en) | 2021-12-03 | 2021-12-03 | Bendable grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217122773U (en) |
-
2021
- 2021-12-03 CN CN202123018963.9U patent/CN217122773U/en active Active
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