CN211565704U - Assembling tool for combined pin through interference fit of pin holes - Google Patents
Assembling tool for combined pin through interference fit of pin holes Download PDFInfo
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- CN211565704U CN211565704U CN201922211935.5U CN201922211935U CN211565704U CN 211565704 U CN211565704 U CN 211565704U CN 201922211935 U CN201922211935 U CN 201922211935U CN 211565704 U CN211565704 U CN 211565704U
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- pin
- pressing block
- interference fit
- blind hole
- screw
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Abstract
The utility model relates to a combined pin assembling tool in interference fit through pin holes, which comprises a base, a first pressing block and a second pressing block which are oppositely arranged; the driving mechanism drives at least one of the first pressing block and the second pressing block to move towards and away from the other one; one side of the first pressing block facing the second pressing block is provided with a blocking surface for blocking the first pin; one side of the second pressing block, which faces the first pressing block, is provided with a blind hole for the second pin to be positioned and inserted into, and the bottom of the blind hole is abutted against the second pin; when the combined pin is used, the second pin of the pre-inserted combined pin is inserted into the blind hole, the two pressing blocks are driven to mutually approach through the driving mechanism, and the second pin is forcibly installed into the first pin under the mutual pushing action of the blocking surface and the bottom surface of the blind hole. Can conveniently pack into the pin mounting hole of first pin with the second pin by force high-efficiently through this frock, realize high efficiency assembly combination round pin.
Description
Technical Field
The utility model relates to a through pinhole interference fit's combination round pin assembly fixture.
Background
In the actual industrial production process, there are many combination pins that pass through pinhole interference fit, as shown in fig. 1, an aerospace standard component, the standard component includes a first pin 1 and a second pin 2, wherein, a pin mounting hole for wearing second pin 2 is provided on first pin 1, a circle of convex teeth is provided on the region where second pin 2 and first pin 1 are fitted, and second pin 2 is inserted in the pin mounting hole of first pin 1 through convex teeth segment interference fit.
Because need great power just can be packed into the pin mounting hole of first pin 1 with second pin 2 by force, generally adopt the mode that the bar copper strikeed among the prior art to knock second pin 2 into the pin mounting hole of first pin 1, strike the in-process, need control the knock point of bar copper on second pin 2, it is inclined to one side to avoid the bar copper to strike, it is limited to lead to knocking speed, especially to the less pin of size, must adopt the mode of hand to make an alignment, the bar copper strikes the in-process, need pay attention to and prevent to pound and injure the operator finger, seriously restrict the assembly speed of pinhole, lead to assembly efficiency low. In addition, the coating on the second pin 2 can be damaged in the knocking process, and the corrosion resistance of the product combination pin is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make up round pin assembly fixture through pinhole interference fit to assembly inefficiency when solving among the prior art assembly and passing through pinhole interference fit's make up round pin.
The utility model discloses in through pinhole interference fit's combination round pin assembly fixture adopt following technical scheme:
a combined pin assembling tool in interference fit through pin holes comprises a base, a first pressing block and a second pressing block, wherein the first pressing block and the second pressing block are oppositely arranged on the base; the driving mechanism is used for driving at least one of the first pressing block and the second pressing block to move towards and away from the other one of the first pressing block and the second pressing block, and one side of the first pressing block, which faces the second pressing block, is provided with a blocking surface for blocking the first pin; one side of the second pressing block, which faces the first pressing block, is provided with a blind hole for the second pin to be positioned and inserted into, and the bottom of the blind hole is abutted against the second pin; when the combined pin is used, the second pin of the pre-inserted combined pin is inserted into the blind hole, the two pressing blocks are driven to mutually approach through the driving mechanism, and the second pin is forcibly installed into the first pin under the mutual pushing action of the blocking surface and the bottom surface of the blind hole.
The beneficial effects are that: the blind hole is formed in one side, facing the first pressing block, of the second pressing block, when the combined pin is assembled, the first pin and the second pin of the combined pin are pre-inserted together, then the second pin of the combined pin is inserted into the blind hole, the first positioning pin and the second positioning pin are installed on the assembling tool, the installing process is simple and easy to operate, the combined pin can be installed on the assembling tool quickly, then the first pressing block and the second pressing block move relatively and approach each other through driving of the driving mechanism, in the process of approaching the first pressing block and the second pressing block relatively, the second pin is pushed at the bottom of the blind hole, and meanwhile, the blocking portion faces the first pin to block the first pin, so that the second pin can be installed into the pin installing hole of the first pin simply and conveniently, and efficient assembling of the combined pin is achieved.
Furthermore, a top abutting surface used for abutting against the end part of the second pin is arranged on one side, back to the second press block, of the blocking surface on the first press block, and assembly is completed when two ends of the second pin abut against the top abutting surface and the bottom of the blind hole respectively.
The beneficial effects are that: the abutting surface is arranged on one side, opposite to the second pressing block, of the blocking surface on the first pressing block, when the second pin penetrates through the pin mounting hole in the first pin and abuts against the abutting surface, assembly of the combined pin is completed, when the first pressing block is manufactured, the assembling completion position of the combined pin can be conveniently controlled only by controlling the distance between the abutting surface and the blocking surface, and the use convenience of the combined pin assembling tool with the pin hole in interference fit is improved.
Further, be equipped with fixing base and sliding seat on the base, the sliding seat direction is removed and is installed on the base and can move towards and the fixing base removal dorsad, and first briquetting and second briquetting are installed respectively on fixing base and sliding seat.
The beneficial effects are that: first briquetting and second briquetting are installed respectively on fixing base and sliding seat, when needing to assemble the combination round pin of different dimensions, can conveniently change the first briquetting and the second briquetting of corresponding specification, carry the convenience that assembly fixture used.
Furthermore, the first pressing block and the second pressing block have the same structure, and the hole bottom surface of the blind hole in the first pressing block forms the abutting surface.
The beneficial effects are that: set up first briquetting and second briquetting into two briquetting that the structure is the same for first briquetting and second briquetting are convenient for process manufacturing, and simultaneously, the hole bottom of the blind hole on the first briquetting directly constitutes to support the top surface, realizes supporting the simple and convenient setting of top surface.
Furthermore, the driving mechanism is a screw-nut mechanism, the screw is mounted on the fixed seat, and the movable seat forms a nut of the screw-nut mechanism.
The beneficial effects are that: the screw nut mechanism is used as the driving mechanism, so that the moving amount of the movable seat can be conveniently controlled, the second pressing block can be conveniently controlled to move towards the first pressing block, and the convenience in use of the assembling tool for the combined pin in interference fit with the pin hole is improved.
Further, the stop surface is an arc surface matched with the outer peripheral surface of the first pin.
The beneficial effects are that: the blocking surface is arranged to be an arc-shaped surface matched with the outer peripheral surface of the first pin, when the blocking surface is in blocking fit with the first pin, the position of the first pin is restrained, the first pin is prevented from rotating around the axis of the second pin in the assembling process, the phenomenon that the plating layer of the first pin is damaged due to the rotation of the first pin relative to the first press block is avoided, and the high-quality assembling of the combined pin is realized.
Furthermore, the driving mechanism is a screw-nut mechanism, one of the first pressing block and the second pressing block is relatively fixed with a screw mounting seat of the screw-nut mechanism, and the other one of the first pressing block and the second pressing block is relatively fixed with a nut of the screw-nut mechanism.
The beneficial effects are that: the screw nut mechanism is used as the driving mechanism, so that the movement amount of the second pressing block towards the first pressing block can be conveniently controlled, and the convenience of using the combined pin assembling tool in interference fit with the pin hole is improved.
Drawings
Fig. 1 is a schematic structural view of a combined pin to be assembled by the combined pin assembling tool in interference fit with the pin hole of the present invention;
fig. 2 is a use state diagram of an assembly tool embodiment 1 of a combined pin in interference fit through a pin hole in the invention;
fig. 3 is a schematic structural view of an assembly fixture for a combination pin in interference fit through a pin hole according to the present invention, in which a fixing seat is integrally formed on a base in embodiment 1;
fig. 4 is a schematic structural diagram of a second press block of the assembly tool of the combined pin in interference fit through the pin hole of the present invention, in embodiment 1;
FIG. 5 is a schematic view of the pre-inserted combination pin installed on the first press block and the second press block of the assembly tool of the combination pin of the present invention in an interference fit through the pin holes according to embodiment 1;
in the figure: 1-a first pin; 2-a second pin; 3-a base; 4-first briquetting; 5-a movable seat; 6-second briquetting; 8, a fixed seat; 9-dovetail groove; 10-a first briquetting mounting groove; 11-a lead screw; 12-a running wheel; 13-lead screw mounting holes; 14-blind holes; 15-the second pin avoiding space.
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 for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a concrete embodiment 1 of pinhole interference fit assembly fixture: first, the utility model discloses in the structure of the combination round pin that the combination round pin assembly fixture through pinhole interference fit will assemble is shown in fig. 1, including first pin 1 and second pin 2, offer the pin mounting hole that is used for cartridge second pin 2 on the first pin 1, have the round dogtooth on the mid portion of 2 outer peripheral faces of second pin, second pin 2 has one section interference fit ground cartridge of dogtooth in the middle of through in the pin mounting hole.
The utility model discloses well interference fit pinhole assembly fixture embodiment 1's structure is shown in fig. 2, including base 3, first briquetting 4, sliding seat 5 and install second briquetting 6 on sliding seat 5.
Wherein, as shown in fig. 3, integrated into one piece has fixing base 8 on base 3, fixing base 8 is the rectangular block, fixing base 8 is the L type with base 3 and arranges, the dovetail 9 of extending towards fixing base 8 has been seted up on base 3, lead screw mounting hole 13 has been seted up towards fixing base 8 on the terminal surface of sliding seat 5, make fixing base 8 can install the lead screw as the lead screw mount pad, and simultaneously, in order to install first briquetting 4 on fixing base 8, still offer the first briquetting mounting groove 10 that is used for installing first briquetting 4 on fixing base 8, first briquetting mounting groove 10 is seted up at the juncture of fixing base 8 towards the terminal surface of sliding seat 5 and up end. For the base and the fixing seat, in other embodiments, the base and the fixing seat may be configured as a split structure, and the fixing seat may be fixed on the base.
The sliding seat 5 is also a rectangular block, the sliding seat 5 is installed on the base 3 through the convex block at the bottom and the dovetail groove 9 in a guiding and matching mode, and a lead screw 11 is installed in a lead screw installation hole 13 in order to drive the sliding seat 5 to move towards and away from the fixed seat 8. One end of the screw rod 11, which is back to the fixed seat 8, penetrates through the movable seat 5 to extend out, the screw rod 11 and the movable seat 5 are in screw fit to form a screw rod nut mechanism, and the movable seat 5 forms a nut of the screw rod nut mechanism. In order to rotate the lead screw 11, the end part of the lead screw 11, which is back to the fixed seat 8, is fixedly provided with a rotating wheel 12, when the movable seat 5 needs to be driven to move towards and away from the fixed seat 8, the rotating wheel 12 is operated to drive the lead screw 11 to rotate, and the rotating action of the lead screw 11 is converted into the linear motion of the movable seat 5 along the dovetail groove 9.
As shown in fig. 2, in order to install the second pressing block 6, a second pressing block installation groove is further formed in the movable seat 5, and the second pressing block installation groove is formed in a junction between an end face, facing the fixed seat 8, of the movable seat 5 and the upper end face. When the lead screw 11 rotates 5 orientation of drive sliding seat and deviates from the 8 removal of fixing base, drive 6 orientations of second briquetting and deviate from the motion of first briquetting 4, lead screw nut mechanism has constituted promptly the utility model discloses well assembly fixture's actuating mechanism.
The structure of the second pressing block 6 is as shown in fig. 4, the second pressing block is a rectangular block, an arc-shaped surface matched with the periphery of the first pin 1 is formed on one side surface of the second pressing block 6, meanwhile, a blind hole 14 used for positioning and inserting the second pin 2 is formed in the arc-shaped surface of the second pressing block 6, and the first pressing block 4 and the second pressing block 6 are identical in structure.
During assembly, the first pressing block 4 and the second pressing block 6 are correspondingly inserted into the first pressing block mounting groove 10 and the second pressing block mounting groove, so that the arc surfaces of the first pressing block 4 and the second pressing block 6 are arranged oppositely.
When the first pin 1 and the second pin 2 are assembled, as shown in fig. 5, the second pin 2 is firstly inserted into the pin mounting hole of the first pin 1 to assemble a pre-inserted combination pin, then one end of the second pin 2 of the pre-inserted combination pin, which faces away from the first pin 1, is positioned and inserted into the blind hole of the second pressing block 6, and the screw 11 is rotated to drive the movable seat 5 to move towards the fixed seat 8, the movable seat 5 drives the second pressing block 6 to move towards the first pressing block 4, the first pin 1 is adjusted to enable the peripheral surface of the first pin 1 to be matched with the arc surface of the first pressing block 4, because the first pressing block 4 is fixed relative to the base 3, the arc surface of the first pressing block 4 is used as a stop surface to stop the first pin 1, the screw 11 is continuously rotated to enable the second pressing block 6 to push the second pin 2 towards the first pressing block 4 through the hole bottom of the blind hole, the second pin 2 passes through the mounting hole of the first pin 1 and then extends into the hole of the first pressing block 4, the bottom of the blind hole on the first pressing block 4 is used as a propping surface for propping against one end of the second pin 2, which is back to the second pressing block 6, and the assembly is completed when two ends of the second pin 2 prop against the propping surface and the bottom of the blind hole of the second pressing block 6 respectively. The inner cavity of the blind hole in the first pressing block 4 is used as a second pin avoiding space 15, and the second pin can be avoided when the second pin 2 penetrates out of the pin mounting hole of the first pin 1.
The embodiment 2 of the assembling tool for assembling the combined pin through the interference fit of the pin holes of the utility model is different from the above embodiments in that the positioning surface for blocking the first pin is arranged on the first pressing block, the counter bore for positioning and inserting the second pin is arranged on the second pressing block, the first pressing block is arranged on the fixed seat, and the second pressing block is arranged on the movable seat, so that when assembling the combined pins with different types, the first pressing block and the second pressing block with corresponding specifications can be replaced, in the embodiment, when the assembling tool is only used for assembling the combined pin with one specification, the blocking surface is directly processed on the end surface of the fixed seat facing the movable seat, the counter bore or the groove for avoiding the second pin when the second pin penetrates out of the pin mounting hole of the first pin is processed on the blocking surface, and the inner cavity of the counter bore or the groove is used as the avoiding space for the second pin, correspondingly, a counter bore for positioning and inserting the second pin shaft is processed on the end face, facing the fixed seat, of the movable seat, at the moment, the fixed seat is the first pressing block, and the movable seat is the second pressing block.
The utility model discloses in through embodiment 3 of pinhole interference fit's combination pin assembly fixture, different with above-mentioned each embodiment, in above-mentioned each embodiment, first briquetting is installed on the fixing base or the fixing base is first briquetting promptly, the second briquetting is installed on the sliding seat or the sliding seat is second briquetting promptly, in the use, under actuating mechanism's drive, the sliding seat orientation with deviate from the sliding seat and remove, realize the second briquetting orientation and deviate from first briquetting and remove, in this embodiment, first briquetting is installed on the sliding seat, the second briquetting is installed on the fixing base, the second briquetting is static for the base, under actuating device's drive, first briquetting orientation with deviate from the motion of second briquetting, of course, also can directly regard as first briquetting with the sliding seat, the fixing base directly is as the second briquetting.
Also can set up two sliding seats relatively on the base, first briquetting and second briquetting are installed respectively on two sliding seats or directly regard as first briquetting and second briquetting respectively with two sliding seats, and two sliding seats all cooperate with the lead screw spiral, and the lead screw is double-end lead screw, through rotating the lead screw, makes two sliding seats move in opposite directions and to the back. No matter the two pressing blocks can move relative to the base simultaneously or one of the two pressing blocks is static relative to the base, the other pressing block can move towards the pressing block which is deviated from the static relative to the base, when the combined pin is assembled, the first pin and the second pin are pre-inserted together, then the second pin of the pre-inserted combined pin is inserted into the blind hole of the second pressing block, the first pin is in blocking fit with the blocking surface of the first pressing block, and the second pin is forcibly installed into the first pin under the mutual pushing action of the blocking surface and the bottom surface of the blind hole of the second pressing block.
The utility model discloses in through pinhole interference fit's combination pin assembly fixture's embodiment 4, different with above-mentioned each embodiment, in above-mentioned each embodiment, be used for driving two briquetting in opposite directions and be nut lead screw mechanism to the actuating mechanism of motion of backing, in this embodiment, fixed telescopic cylinder on the base, telescopic cylinder's telescopic link is connected with the sliding seat transmission, through stretching out and the shrink of telescopic cylinder's telescopic link, promotes sliding seat reciprocating motion, and then the drive is installed the briquetting motion on the sliding seat. Of course, the pressing block can be directly installed on the telescopic rod of the telescopic cylinder without arranging the movable seat.
The utility model discloses in through embodiment 5 of pinhole interference fit's combination pin assembly fixture, different from above-mentioned each embodiment, in above-mentioned each embodiment, first briquetting and second briquetting and first pin complex terminal surface processing arc face, wherein, arc face on the first briquetting is as stop face and first pin stop cooperation, namely, the stop face is the arc face, the effect of stop face is the first pin of stop when the assembly pin is assembled promptly, under this design, the stop face still can be for plane, V profile etc. in this embodiment, for the convenience of the manufacturing of first briquetting, directly regard first briquetting as the stop face towards second briquetting terminal surface.
The utility model discloses in through pinhole interference fit's combination pin assembly fixture's embodiment 6, different from above-mentioned each embodiment, in above-mentioned each embodiment, trompil or groove on first briquetting, regard the bottom in hole or groove as supporting the top surface, in this embodiment, set up first briquetting into two locating pieces of components of a whole that can function independently, two locating piece interval arrangements, space between two locating pieces constitutes the second pin that is used for dodging the second pin when the second pin stretches out from the pin mounting hole of first pin and dodges the space, at the fixed dog of one side of two locating pieces dorsad first briquetting, the dog is regarded as supporting the top surface towards the terminal surface of first briquetting, the second pin is supported after the space between two locating pieces and is accomplished the assembly in the pin mounting hole of first pin after stretching out.
The utility model discloses in through pinhole interference fit's combination round pin assembly fixture's embodiment 7, different with above-mentioned each embodiment, the bottom surface of blind hole or recess on the first briquetting, or the terminal surface of the dog that sets up constitutes and supports the top surface, when the both ends of second pin offset with the hole bottom of supporting top surface and location blind hole respectively, accomplish the assembly, in this embodiment, directly process the through-hole on first briquetting or lead to the groove and come to dodge the second pin when the second pin stretches out from the pin mounting hole of first pin, the space is dodged as the second pin to the inner chamber that through-hole or lead to the groove.
At this moment, first briquetting no longer has and supports the top surface, processes out the arcwall face that can hold first pin after the closure on the relative terminal surface of first briquetting and second briquetting, accomplishes the assembly of combination round pin when first briquetting pastes tightly with the relative terminal surface of second briquetting. Of course, the assembly can also be completed by the abutting of the end face of the second pressing block facing the first pressing block on the first pin.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a make up round pin assembly fixture through pinhole interference fit, characterized by includes:
a base;
the first pressing block and the second pressing block are oppositely arranged on the base;
the driving mechanism is used for driving at least one of the first pressing block and the second pressing block to move towards and away from the other one;
one side of the first pressing block facing the second pressing block is provided with a blocking surface for blocking the first pin;
one side of the second pressing block, which faces the first pressing block, is provided with a blind hole for the second pin to be positioned and inserted into, and the bottom of the blind hole is abutted against the second pin;
when the combined pin is used, the second pin of the pre-inserted combined pin is inserted into the blind hole, the two pressing blocks are driven to mutually approach through the driving mechanism, and the second pin is forcibly installed into the first pin under the mutual pushing action of the blocking surface and the bottom surface of the blind hole.
2. The assembling tool for the combination pins through the interference fit of the pin holes as claimed in claim 1, wherein the first pressing block is further provided with a top abutting surface for abutting against the end portion of the second pin on the side of the blocking surface facing away from the second pressing block, and the assembling is completed when the two ends of the second pin abut against the top abutting surface and the bottom of the blind hole respectively.
3. The assembling tool for the assembling pin through the interference fit of the pin holes as claimed in claim 2, wherein the base is provided with a fixed seat and a movable seat, the movable seat is movably guided and installed on the base and can move towards and away from the fixed seat, and the first pressing block and the second pressing block are respectively installed on the fixed seat and the movable seat.
4. The assembling tool for the combination pin through the interference fit of the pin hole as claimed in claim 3, wherein the first pressing block and the second pressing block have the same structure, and the bottom surface of the blind hole in the first pressing block forms the abutting surface.
5. The assembling tool for the combination pin through the interference fit of the pin hole as claimed in claim 3 or 4, wherein the driving mechanism is a screw and nut mechanism, the screw is mounted on the fixed seat, and the movable seat forms a nut of the screw and nut mechanism.
6. The assembling tool for the combination pin through the interference fit of the pin hole according to any one of claims 1 to 4, wherein the stop surface is an arc surface adapted to the outer peripheral surface of the first pin.
7. The assembling tool for the assembling pin through the interference fit of the pin hole as claimed in claim 1, wherein the driving mechanism is a screw-nut mechanism, one of the first pressing block and the second pressing block is fixed relative to a screw mounting seat of the screw-nut mechanism, and the other is fixed relative to a nut of the screw-nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211935.5U CN211565704U (en) | 2019-12-11 | 2019-12-11 | Assembling tool for combined pin through interference fit of pin holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922211935.5U CN211565704U (en) | 2019-12-11 | 2019-12-11 | Assembling tool for combined pin through interference fit of pin holes |
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| CN211565704U true CN211565704U (en) | 2020-09-25 |
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| CN201922211935.5U Active CN211565704U (en) | 2019-12-11 | 2019-12-11 | Assembling tool for combined pin through interference fit of pin holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659062A (en) * | 2020-12-23 | 2021-04-16 | 北京航星机器制造有限公司 | Assembling method for folding control surface |
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2019
- 2019-12-11 CN CN201922211935.5U patent/CN211565704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659062A (en) * | 2020-12-23 | 2021-04-16 | 北京航星机器制造有限公司 | Assembling method for folding control surface |
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