CN214243497U - Outer lifting arm convenient to assembly - Google Patents
Outer lifting arm convenient to assembly Download PDFInfo
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- CN214243497U CN214243497U CN202022892603.0U CN202022892603U CN214243497U CN 214243497 U CN214243497 U CN 214243497U CN 202022892603 U CN202022892603 U CN 202022892603U CN 214243497 U CN214243497 U CN 214243497U
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Abstract
The utility model provides an outer lifting arm convenient to assembly, its structure includes the arm body, arm body one end is equipped with fixed knot structure portion, the other end is equipped with the rotation portion, still include the assembly axle, fixed knot structure portion tip is equipped with the assembly groove, assembly axle tip is equipped with the embedding piece, the embedding piece closely joins in marriage in the assembly groove, assembly inslot wall is equipped with the stopper, the embedding piece outer wall is equipped with the spacing groove corresponding with the stopper, fixed knot structure portion outer wall is equipped with a locating hole at least, the embedding piece outer wall is equipped with the communicating constant head tank with the locating hole, be equipped with the locating pin in the locating hole, the locating pin tip extends the embedding constant head tank, be equipped with the structure of convenient dismouting on the stiff end of outer lifting arm, when guaranteeing the fastness, the dismouting maintenance work of the staff of being convenient for.
Description
Technical Field
The utility model relates to an outer lifting arm convenient to assembly belongs to outer lifting arm field.
Background
The fixed end of the existing outer lifting arm is connected with the shaft in a welding fixing mode, so that the existing outer lifting arm is inconvenient, and the outer lifting arm is difficult to disassemble and needs to be disassembled together with the fixed shaft when being damaged.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art existence, the utility model aims at providing an outer lifting arm convenient to assembly to solve the current welded fastening mode that the stiff end of outer lifting arm and the connection of axle adopted, comparatively inconvenient, and when follow-up outer lifting arm damaged, be difficult to dismantle, need carry out the problem of dismantling together with fixed axle.
In order to achieve the above purpose, the present invention is realized by the following technical solution: an external lifting arm convenient to assemble structurally comprises an arm body, wherein one end of the arm body is provided with a fixed structure part, the other end of the arm body is provided with a rotating part, the external wall of the fixed structure part is provided with an assembling groove, the end part of the assembling shaft is provided with an embedded block, the embedded block is tightly matched with the assembling groove, the inner wall of the assembling groove is provided with a limiting block, the outer wall of the embedded block is provided with a limiting groove corresponding to the limiting block, the outer wall of the fixed structure part is at least provided with a positioning hole, the outer wall of the embedded block is provided with a positioning groove communicated with the positioning hole, a positioning pin is arranged in the positioning hole, the end part of the positioning pin extends and is embedded into the positioning groove, two sides of the positioning hole are respectively provided with a telescopic groove, a clamping rod is movably arranged in the telescopic groove, a reset spring is arranged between the inner end of the clamping rod and the bottom part of the telescopic groove, and the outer end of the clamping rod extends out of the telescopic groove to be clamped with the positioning pin, the outer wall of the positioning pin is provided with a clamping groove corresponding to the positioning pin, the middle part of the outer end of the positioning pin is rotatably provided with an action rod, an annular rotating cavity communicated with the clamping groove is formed in the positioning pin, and the outer wall of the action rod is provided with a push block matched with the annular rotating cavity.
Furthermore, a sealing cover is in threaded connection with an opening of the positioning hole.
Furthermore, when the action rod rotates, the pushing block is driven to contact the clamping rod.
Furthermore, the outer end of the clamping rod and the clamping groove are both arc structures.
Furthermore, the outer end of the action rod is provided with a tool rotating groove structure.
The utility model has the advantages that: the fixed end of the outer lifting arm is provided with a structure convenient to disassemble and assemble, so that the firmness is ensured, and meanwhile, the disassembling and maintaining work of workers is facilitated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of an external lifting arm of the present invention, which is convenient to assemble;
fig. 2 is a schematic cross-sectional view of the fixing structure portion.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the present invention provides an outer lift arm with easy assembly: the structure of the telescopic arm comprises an arm body 1, wherein one end of the arm body 1 is provided with a fixed structure part 2, the other end of the arm body is provided with a rotating part 3, the telescopic arm further comprises an assembling shaft 4, the end part of the fixed structure part 2 is provided with an assembling groove 5, the end part of the assembling shaft 4 is provided with an embedded block 6, the embedded block 6 is tightly matched with the assembling groove 5, the inner wall of the assembling groove 5 is provided with a limiting block 7, the outer wall of the embedded block 6 is provided with a limiting groove 8 corresponding to the limiting block 7, the outer wall of the fixed structure part 2 is at least provided with a positioning hole 9, the outer wall of the embedded block 6 is provided with a positioning groove 10 communicated with the positioning hole 9, a positioning pin 11 is arranged in the positioning hole 9, the end part of the positioning pin 11 extends and is embedded into the positioning groove 10, both sides of the positioning hole 9 are provided with a telescopic groove 12, a clamping rod 13 is movably arranged in the telescopic groove 12, a reset spring 14 is arranged between the inner end of the clamping rod 13 and the bottom of the telescopic groove 12, flexible groove 12 and locating pin 11 looks block are stretched out to kelly 13 outer end, 11 outer walls of locating pin are equipped with the draw-in groove 15 corresponding with locating pin 11, 11 outer end middle parts of locating pin rotate and are equipped with action pole 16, 11 inside of locating pin be equipped with the communicating ring type rotation chamber 17 of draw-in groove 15, 16 outer walls of action pole are equipped with the ejector pad 18 of joining in marriage ring type rotation chamber 17, locating hole 9 opening part threaded connection has sealed lid 19, when action pole 16 rotates, can drive ejector pad 18 and take place the contact to kelly 13, 13 outer ends of kelly and draw-in groove 15 are the circular arc structure, 16 outer ends of action pole are equipped with the instrument and rotate the groove structure.
For example, when assembling, the embedded block 6 is fitted into the assembling groove 5, the limit block 7 integrally formed in the assembling groove 5 limits the rotation of the embedded block 6, then a positioning pin 11 is arranged in the positioning hole 9 to limit the displacement of the embedded block 6, and as the end part of the clamping rod 13 is of an arc structure, during the assembling process, the clamping rod 13 is squeezed and retracted into the telescopic slot 12, and after the clamping rod 13 is aligned with the clamping slot 15, the reset spring 14 rebounds to drive the clamping rod 13 to be clamped with the clamping groove 15, finally the sealing cover 19 is screwed in the opening of the positioning hole 9, the hidden characteristic is achieved, when the outer lifting arm is damaged, after the sealing cover 19 is screwed out through a tool, the action rod 16 is rotated through a tool, so that the action rod 16 drives the push block 18 to eject the end part of the clamping rod 13 out of the clamping groove 15, a worker can take out the positioning pin 11 through the tool, the limitation on the embedded block 6 is removed, and finally the embedded block 6 is pulled out to complete the disassembly work.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An outer lift arm for ease of assembly, comprising: the structure of the telescopic arm comprises an arm body (1), wherein one end of the arm body (1) is provided with a fixed structure part (2), the other end of the arm body is provided with a rotating part (3), the telescopic arm further comprises an assembling shaft (4), the end part of the fixed structure part (2) is provided with an assembling groove (5), the end part of the assembling shaft (4) is provided with an embedding block (6), the embedding block (6) is tightly matched with the assembling groove (5), the inner wall of the assembling groove (5) is provided with a limiting block (7), the outer wall of the embedding block (6) is provided with a limiting groove (8) corresponding to the limiting block (7), the outer wall of the fixed structure part (2) is at least provided with a positioning hole (9), the outer wall of the embedding block (6) is provided with a positioning groove (10) communicated with the positioning hole (9), a positioning pin (11) is arranged in the positioning hole (9), the end part of the positioning pin (11) extends into the positioning groove (10), both sides of the positioning hole (9) are provided with a telescopic groove (12), flexible groove (12) internalization is equipped with kelly (13), be equipped with reset spring (14) between kelly (13) inner and flexible groove (12) bottom, flexible groove (12) and locating pin (11) looks block are stretched out to kelly (13) outer end, locating pin (11) outer wall is equipped with draw-in groove (15) corresponding with locating pin (11), locating pin (11) outer end middle part is rotated and is equipped with effect pole (16), locating pin (11) inside be equipped with draw-in groove (15) communicating ring type rotation chamber (17), effect pole (16) outer wall is equipped with and joins in marriage ejector pad (18) that the ring type rotated chamber (17).
2. An outer lift arm for ease of assembly as defined in claim 1 wherein: and a sealing cover (19) is in threaded connection with the opening of the positioning hole (9).
3. An outer lift arm for ease of assembly as defined in claim 1 wherein: when the action rod (16) rotates, the pushing block (18) is driven to contact the clamping rod (13).
4. An outer lift arm for ease of assembly as defined in claim 1 wherein: the outer end of the clamping rod (13) and the clamping groove (15) are both arc structures.
5. An outer lift arm for ease of assembly as defined in claim 1 wherein: the outer end of the action rod (16) is provided with a tool rotating groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022892603.0U CN214243497U (en) | 2020-12-03 | 2020-12-03 | Outer lifting arm convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022892603.0U CN214243497U (en) | 2020-12-03 | 2020-12-03 | Outer lifting arm convenient to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214243497U true CN214243497U (en) | 2021-09-21 |
Family
ID=77736153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022892603.0U Active CN214243497U (en) | 2020-12-03 | 2020-12-03 | Outer lifting arm convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214243497U (en) |
-
2020
- 2020-12-03 CN CN202022892603.0U patent/CN214243497U/en active Active
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