CN219359313U - Aircraft nose skylight fossil fragments assembly fixture - Google Patents
Aircraft nose skylight fossil fragments assembly fixture Download PDFInfo
- Publication number
- CN219359313U CN219359313U CN202320591722.3U CN202320591722U CN219359313U CN 219359313 U CN219359313 U CN 219359313U CN 202320591722 U CN202320591722 U CN 202320591722U CN 219359313 U CN219359313 U CN 219359313U
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- fixing
- skylight
- frame
- window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model discloses a machine head skylight keel assembly fixture which comprises a main body frame, wherein a fixing beam is arranged on the main body frame, a window clamping plate is fixed on the clamping plate fixing beam, a first connecting mechanism for connecting with a skylight frame is arranged on the lower end face of the window clamping plate, a rear frame fixing beam is positioned at the rear side of the clamping plate fixing beam, a rear frame fixing plate for fixing a rear frame is arranged on the rear frame fixing beam, the upper end of the rear frame fixing plate is connected with the rear frame fixing beam, a through hole is arranged at the lower part of the rear frame fixing plate, and a bolt passes through the through hole on the rear frame fixing plate and is connected onto the rear frame in a threaded manner to fix the rear frame. Through above-mentioned frock structural design, can realize the high accuracy assembly of aircraft nose skylight fossil fragments, and can improve whole packaging efficiency.
Description
Technical Field
The utility model belongs to the technical field of aircraft assembly tools and fixtures, and relates to a machine head skylight keel assembly tool.
Background
Nose skylight keel is one of the important components of aircraft nose segments. The pilot cockpit structure is mainly formed by surrounding key components such as a skylight frame, a rear frame and the like, and higher assembly precision is needed so as to facilitate the installation of the skylight of the aircraft. The prior art is assembled the skylight fossil fragments of aircraft nose to the mode of adopting artifical marking off more, and it has the relatively poor and lower problem of assembly efficiency of assembly precision.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme:
the machine head skylight keel assembly fixture comprises a main body frame, a clamping plate fixing beam, a window clamping plate and a rear frame fixing beam;
the main body frame comprises a frame support, and two groups of relatively parallel longitudinal beams are arranged on the frame support;
the clamping plate fixing beam is arranged on the main body frame, and two ends of the clamping plate fixing beam are respectively connected with two groups of longitudinal beams of the main body frame;
the window clamping plate is fixed on the clamping plate fixing beam and positioned at the lower end of the clamping plate fixing beam, and is of a square plate-shaped structure; the lower end face of the window clamping plate is provided with a first connecting mechanism, and the first connecting mechanism is provided with a plurality of groups of connecting mechanisms which are annularly arranged around the side edge of the window clamping plate;
the rear frame fixing beam is positioned at the rear side of the clamping plate fixing beam, the rear frame fixing beam is of an arch structure, and two ends of the rear frame fixing beam are respectively connected with two groups of longitudinal beams of the main body frame; the back frame fixed beam is provided with a back frame fixed plate, the back frame fixed plates are provided with a plurality of groups, the upper end of each back frame fixed plate is connected with the back frame fixed beam, and the back frame fixed plate is provided with a through hole.
As a supplement to the technical scheme, the clamping plate fixing beam comprises a first side beam and a second side beam, wherein the first side beam and the second side beam are of square column structures, the right end of the first side beam is connected with the left end of the second side beam, and the connecting position of the first side beam and the second side beam is the middle part of the clamping plate fixing beam;
the window clamping plates are arranged in two groups and comprise a first window clamping plate and a second window clamping plate, the first window clamping plate is fixed on the first side beam and is positioned at the lower end of the first side beam, and the second window clamping plate is fixed on the second side beam and is positioned at the lower end of the second side beam.
As a supplement to the technical scheme, the first connecting mechanism comprises a first fixed base and a second corner connector, wherein the first fixed base is arranged on the lower end face of the window clamping plate, one corner connector arm of the second corner connector is connected with the first fixed base, and the other corner connector arm is used for being connected with the skylight frame.
The technical proposal is supplemented by the utility model, the window clamping plate also comprises a limiting block, the limiting block is arranged on the lower end surface of the window clamping plate, the limiting block is provided with a plurality of groups and is annularly distributed around the side edge of the window clamping plate,
the limiting block is of a long bar-shaped structure and comprises a fixing part, a middle section deformation part and a limiting part, the fixing part and the limiting part are of square columnar structures and have the same thickness, the middle section deformation part is of a long straight plate-shaped structure, the thickness of the middle section deformation part is smaller than that of the fixing part, a strip-shaped through hole is formed in the middle section deformation part along the length direction of the middle section deformation part, the middle section deformation part is connected between the fixing part and the limiting part, and the lower end face of the middle section deformation part, the fixing part and the lower end face of the limiting part are located on the same plane;
the upper end face of the fixing part is fixed on the lower end face of the window clamping plate, the limiting part is positioned on the outer side of the outer edge position of the window clamping plate, and a threaded hole is formed in the lower end face of the window clamping plate corresponding to the strip-shaped through hole of the middle section deformation part.
As the supplement of technical scheme, still include arc location cardboard, second coupling mechanism, arc location cardboard is located between back frame fixed beam and the window cardboard, and sets up in the front side of back frame fixed beam through second coupling mechanism, has seted up the through-hole on the arc location cardboard.
As a supplement to the technical scheme, the rear frame fixing beam is also provided with a third connecting mechanism for fixing the opposite side rear frame.
As a supplement to the technical scheme, the second connecting mechanism and the third connecting mechanism have the same structure and comprise a second fixing base, a connecting plate and a fixing plate, wherein the fixing plate is connected with the second fixing base through the connecting plate, and a through hole is formed in the fixing plate.
As a supplement to the technical scheme, the window clamping plate further comprises a first angle code, and the window clamping plate is arranged on the clamping plate fixing beam through the first angle code.
The beneficial effects are that: according to the utility model, in one aspect, the skylight frame of the machine head skylight keel can be fixed through the window clamping plate and the first connecting mechanism arranged on the window clamping plate, and the assembly precision can be further improved through the arrangement of the limiting block. In another aspect of the utility model, through the arrangement of the rear frame fixing beam, the rear frame can be accurately positioned and installed, the rear frame and the skylight frame are fixedly connected, and through the arrangement of the second connecting mechanism and the third connecting mechanism, the arc-shaped positioning clamping plate and the side rear frame can be fixed.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a schematic diagram of a nose skylight keel structure.
FIG. 4 is a schematic view of the reverse side of the window clamping plate according to the present utility model.
Fig. 5 is a schematic view of a first connecting mechanism and a limiting block according to the present utility model.
Fig. 6 is a schematic structural view of a third connecting mechanism according to the present utility model.
In the figure: 1. the side roof comprises a main body frame, a clamping plate fixing beam, a window clamping plate, a rear frame fixing beam, a frame support, a longitudinal beam, a first connecting mechanism, a rear frame fixing plate, a first side beam, a second side beam, a first window clamping plate, a second window clamping plate, a first angle code, a first fixing base, a second angle code, a limiting block, a fixing portion, a middle deformation portion, a limiting portion, a strip-shaped through hole, an arc-shaped positioning clamping plate, a second connecting mechanism, a third connecting mechanism, a second fixing base, a connecting plate, a second connecting plate, a fixing plate, a middle frame, a third connecting mechanism, a fourth connecting mechanism, a first side beam, a second side beam, a first side frame, a second side frame, a third side frame, a fourth side frame, a side frame and a side rear frame.
Detailed Description
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 3, the nose skylight keel comprises a skylight frame, a rear frame 31 and a side rear frame 32, wherein the skylight frame comprises a skylight middle frame 27, a skylight upper frame 28, a skylight lower frame 29 and a skylight side frame 30, the skylight middle frame 27, the skylight upper frame 28, the skylight lower frame 29 and the skylight side frame 30 are surrounded into a square structure for skylight installation through a corner piece structure, the skylight of the nose is provided with two groups and symmetrically arranged on two sides of the skylight middle frame 27, and the corresponding skylight side frame 30, the skylight upper frame 28 and the skylight lower frame 29 are respectively provided with two groups and symmetrically arranged on two sides of the skylight middle frame 27. The rear end of the skylight side frame 30 of the skylight frame is connected with a rear frame 31, the rear frame 31 is connected with the rear end of the skylight side frame 30 of the skylight frame, and a side rear frame 32 is connected between the skylight side frame 30 and the rear frame 31 and used for improving the connection strength between the skylight side frame 30 and the rear frame 31. An arc-shaped positioning plate (not shown in the figure) is also arranged between the rear frame 31 and the skylight upper frame 28, and two ends of the arc-shaped positioning plate are connected with the skylight side frame 30.
As shown in fig. 1 to 6, the assembly fixture for the nose skylight keel is used for assembling and assembling the nose skylight keel and comprises a main body frame 1, a clamping plate fixing beam 2, a window clamping plate 3 and a rear frame fixing beam 4;
the main body frame 1 comprises a frame support 5, and two groups of relatively parallel longitudinal beams 6 are arranged on the frame support 5.
The clamping plate fixing beam 2 is arranged on the main body frame 1, and two ends of the clamping plate fixing beam 2 are respectively connected with two groups of longitudinal beams 6 of the main body frame 1.
The window clamping plate 3 is fixed on the clamping plate fixing beam 2 and is positioned at the lower end of the clamping plate fixing beam 2, and the window clamping plate 3 is of a square plate-shaped structure.
The lower extreme of window cardboard 3 is located four limit outer fringe positions department of window cardboard 3 and is equipped with the first coupling mechanism 7 that are used for being connected with skylight center 27, sky window side frame 30, skylight upper frame 28, skylight lower frame 29, first coupling mechanism 7 is equipped with the multiunit and is cyclic annular range around the side reason of window cardboard 3, makes skylight center 27, sky window side frame 30, skylight upper frame 28, skylight lower frame 29 around window cardboard 3 through first coupling mechanism 7 to surround into the square frame structure that is used for fixed aircraft nose section skylight.
The rear frame fixing beam 4 is positioned at the rear side of the clamping plate fixing beam 2 and is used for positioning the rear frame 31, the rear frame fixing beam 4 is of an arch structure, and two ends of the rear frame fixing beam are respectively connected with two groups of longitudinal beams 6 of the main body frame 1;
the back frame fixing beam 4 is provided with a back frame fixing plate 8, the back frame fixing plate 8 is provided with a plurality of groups, the upper end of the back frame fixing plate 8 is connected with the back frame fixing beam 4, the back frame fixing plate 8 is provided with a through hole, the back frame 31 is provided with a positioning hole, and when the back frame 31 is fixed, the back frame 31 is fixed on the back frame fixing plate 8 by using a bolt structure to pass through the through hole on the back frame fixing plate 8 and the positioning hole on the back frame 31.
As a preferable technical solution of the foregoing embodiment, the window clamping plate 3 further includes a first angle code 13, and the window clamping plate 3 is disposed on the clamping plate fixing beam 2 through the first angle code 13.
As a preferable solution of the present utility model, the clip board fixing beam 2 includes a first side beam 9 and a second side beam 10, the first side beam 9 and the second side beam 10 are both square cylinder structures, the right end of the first side beam 9 is connected with the left end of the second side beam 10, and the connection position of the first side beam 9 and the second side beam 10 is the middle part of the clip board fixing beam 2.
The window clamping plates 3 are provided with two groups and comprise a first window clamping plate 11 and a second window clamping plate 12, the first window clamping plate 11 is fixed on the first side beam 9 and is positioned at the lower end of the first side beam 9, and the second window clamping plate 12 is fixed on the second side beam 10 and is positioned at the lower end of the second side beam 10. The skylight middle frame 27 is positioned between the two window clamping plates 3, and the skylight side frames 30, the skylight upper frame 28 and the skylight lower frame 29 are respectively provided with two groups and symmetrically arranged on the two window clamping plates 3 by taking the skylight middle frame 27 as a symmetry axis.
As a preferred embodiment of the present utility model, the first connection mechanism 7 includes a first fixing base 14 and a second bracket 15, where the first fixing base 14 is disposed on a lower end surface of the window clamping plate 3, and one bracket arm of the second bracket 15 is connected to the first fixing base 14, and the other bracket arm is used for connecting to a skylight frame.
As the preferable technical scheme of the utility model, the utility model also comprises a limiting block 16, wherein the limiting block 16 is arranged on the lower end surface of the window clamping plate 3, the limiting block 16 is provided with a plurality of groups and is annularly distributed around the side edge of the window clamping plate 3,
the limiting block 16 is of a long bar-shaped structure, the limiting block 16 comprises a fixed part 17, a middle section deformation part 18 and a limiting part 19,
the fixing part 17 and the limiting part 19 are both square columnar structures and have the same thickness,
the middle section deformation part 18 is of a long straight plate-shaped structure, the thickness of the middle section deformation part 18 is smaller than that of the fixed part 17, the middle section deformation part 18 is provided with a strip-shaped through hole 20 along the length direction,
a middle section deformation part 18 is connected between the fixing part 17 and the limiting part 19, and the lower end surface of the middle section deformation part 18 is positioned on the same plane with the lower end surfaces of the fixing part 17 and the limiting part 19.
The upper end face of the fixing part 17 is fixed on the lower end face of the window clamping plate 3, the limiting part 19 is positioned on the outer side of the outer edge position of the window clamping plate 3, and the limiting part 19 is used for limiting the skylight frame of the machine head skylight keel
The lower end face of the window clamping plate 3 corresponding to the strip-shaped through hole 20 of the middle section deformation part 18 is provided with a threaded hole, a screw penetrates through the strip-shaped through hole 20 of the middle section deformation part 18 and is screwed into the threaded hole on the window clamping plate 3, the screw cap of the screw applies pressure to the middle section deformation part 18 along with the continuous screwing of the screw, and the middle section deformation part 18 is elastically deformed in the process, so that the limiting part 19 positioned outside the outer edge position of the window clamping plate 3 moves upwards.
The mode of spacing portion 19 exerting pressure to the skylight frame is specifically, skylight center 27, skylight upper frame 28, skylight lower frame 29, sky window side frame 30 of skylight frame are U-shaped groove structure, and the cell body opening one side of U-shaped groove is towards window cardboard 3 one side, spacing portion 19 of stopper 16 is located in the cell body of U-shaped groove, when the screw exerted pressure to the middle section portion of stopper 16, spacing portion 19 of stopper 16 exerted pressure to one side lateral wall of U-shaped groove, makes its place plane and window cardboard 3's lower terminal surface place plane parallel. By the mode, the upper end faces of the skylight middle frame 27, the skylight upper frame 28, the skylight lower frame 29 and the skylight side frame 30 which are positioned around the window clamping plate 3 are all positioned on the same plane, and the assembly precision is improved.
As the preferable technical scheme of the utility model, the novel window fixing device further comprises an arc-shaped positioning clamping plate 21, wherein the arc-shaped positioning clamping plate 21 is positioned between the rear frame fixing beam 4 and the window clamping plate 3, the arc-shaped positioning clamping plate 21 is used for positioning and assembling an arc-shaped positioning plate, the arc-shaped positioning clamping plate 21 is arranged on the front side of the rear frame fixing beam 4 through a second connecting mechanism 22, a through hole is formed in the arc-shaped positioning clamping plate 21, a positioning hole is formed in the arc-shaped positioning plate, and a bolt structure penetrates through the through hole in the arc-shaped positioning clamping plate 21 and the positioning hole in the arc-shaped positioning plate to fix the arc-shaped positioning plate on the arc-shaped positioning clamping plate 21.
As a preferable embodiment of the present utility model, the rear frame fixing beam 4 is further provided with a third connection mechanism 23 for fixing the opposite side rear frame 32.
As a preferred technical scheme of the utility model, the second connecting mechanism 22 and the third connecting mechanism 23 have the same structure and comprise a connecting second fixed base 24, a connecting plate 25 and a fixed plate 26, wherein the fixed plate 26 is connected with the second fixed base 24 through the connecting plate 25, the fixed plate 26 is provided with a through hole,
when the arc-shaped positioning clamping plate 21 is fixed, the arc-shaped positioning clamping plate 21 is fixed on the fixed plate 26 by using a bolt structure to penetrate through a through hole on the fixed plate 26 of the second connecting mechanism 22.
When the side rear frame 32 is fixed, a bolt structure is used to pass through the fixing plate 26 of the third connecting mechanism 23 to obtain a through hole, so that the side rear frame 32 is fixed on the fixing plate 26.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The machine head skylight keel assembly fixture is characterized by comprising a main body frame (1), a clamping plate fixing beam (2), a window clamping plate (3) and a rear frame fixing beam (4);
the main body frame (1) comprises a frame support (5), and two groups of relatively parallel longitudinal beams (6) are arranged on the frame support (5);
the clamping plate fixing beam (2) is arranged on the main body frame (1), and two ends of the clamping plate fixing beam (2) are respectively connected with two groups of longitudinal beams (6) of the main body frame (1);
the window clamping plate (3) is fixed on the clamping plate fixing beam (2) and is positioned at the lower end of the clamping plate fixing beam (2), and the window clamping plate (3) is of a square platy structure; the lower end face of the window clamping plate (3) is provided with a first connecting mechanism (7), and the first connecting mechanism (7) is provided with a plurality of groups and annularly arranged around the side edge of the window clamping plate (3);
the rear frame fixing beam (4) is positioned at the rear side of the clamping plate fixing beam (2), the rear frame fixing beam (4) is of an arch structure, and two ends of the rear frame fixing beam (4) are respectively connected with two groups of longitudinal beams (6) of the main body frame (1); the novel back frame fixing device is characterized in that a back frame fixing plate (8) is arranged on the back frame fixing beam (4), a plurality of groups of back frame fixing plates (8) are arranged, the upper end of each back frame fixing plate (8) is connected with the back frame fixing beam (4), and through holes are formed in the back frame fixing plates (8).
2. The machine head skylight keel assembly fixture according to claim 1, wherein the clamping plate fixing beam (2) comprises a first side beam (9) and a second side beam (10), the first side beam (9) and the second side beam (10) are of square cylinder structures, the right end of the first side beam (9) is connected with the left end of the second side beam (10), and the connection position of the first side beam (9) and the second side beam (10) is the middle part of the clamping plate fixing beam (2);
the window clamping plates (3) are provided with two groups, each group comprises a first window clamping plate (11) and a second window clamping plate (12), the first window clamping plates (11) are fixed on the first side beams (9) and located at the lower ends of the first side beams (9), and the second window clamping plates (12) are fixed on the second side beams (10) and located at the lower ends of the second side beams (10).
3. The aircraft nose skylight fossil fragments assembly fixture according to claim 1, characterized in that, first coupling mechanism (7) include first fixed base (14), second angle sign indicating number (15), first fixed base (14) set up on the lower terminal surface of window cardboard (3), one angle sign indicating number arm of second angle sign indicating number (15) is connected with first fixed base (14), and another angle sign indicating number arm is used for being connected with the skylight frame.
4. The assembly fixture for the skylight keel of the machine head according to claim 1, further comprising limiting blocks (16), wherein the limiting blocks (16) are arranged on the lower end face of the window clamping plate (3), the limiting blocks (16) are provided with a plurality of groups and are annularly distributed around the side edges of the window clamping plate (3),
the limiting block (16) is of a long bar-shaped structure, the limiting block (16) comprises a fixing part (17), a middle section deformation part (18) and a limiting part (19), the fixing part (17) and the limiting part (19) are of square columnar structures and are the same in thickness, the middle section deformation part (18) is of a long straight plate-shaped structure, the thickness of the middle section deformation part (18) is smaller than that of the fixing part (17), a strip-shaped through hole (20) is formed in the middle section deformation part (18) along the length direction, the middle section deformation part (18) is connected between the fixing part (17) and the limiting part (19), and the lower end face of the middle section deformation part (18) is located on the same plane with the lower end faces of the fixing part (17) and the limiting part (19);
the upper end face of the fixing part (17) is fixed on the lower end face of the window clamping plate (3), the limiting part (19) is located on the outer side of the outer edge position of the window clamping plate (3), and a threaded hole is formed in the lower end face of the window clamping plate (3) corresponding to the strip-shaped through hole (20) of the middle section deformation part (18).
5. The aircraft nose skylight fossil fragments assembly fixture according to claim 1, further comprising an arc location cardboard (21), a second coupling mechanism (22), wherein the arc location cardboard (21) is located between back frame fixed beam (4) and window cardboard (3), and sets up in the front side of back frame fixed beam (4) through the second coupling mechanism (22), has seted up the through-hole on the arc location cardboard (21).
6. The aircraft nose skylight keel assembly fixture according to claim 5, wherein the rear frame fixing beam (4) is further provided with a third connecting mechanism (23) for fixing the opposite side rear frame (32).
7. The assembly fixture for the skylight keel of the machine head according to claim 6, wherein the second connecting mechanism (22) and the third connecting mechanism (23) are identical in structure and comprise a second fixing base (24), a connecting plate (25) and a fixing plate (26), the fixing plate (26) is connected with the second fixing base (24) through the connecting plate (25), and through holes are formed in the fixing plate (26).
8. The aircraft nose skylight keel assembly fixture of claim 1, further comprising a first angle code (13), wherein the window clamping plate (3) is arranged on the clamping plate fixing beam (2) through the first angle code (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320591722.3U CN219359313U (en) | 2023-03-23 | 2023-03-23 | Aircraft nose skylight fossil fragments assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320591722.3U CN219359313U (en) | 2023-03-23 | 2023-03-23 | Aircraft nose skylight fossil fragments assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219359313U true CN219359313U (en) | 2023-07-18 |
Family
ID=87142843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320591722.3U Active CN219359313U (en) | 2023-03-23 | 2023-03-23 | Aircraft nose skylight fossil fragments assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219359313U (en) |
-
2023
- 2023-03-23 CN CN202320591722.3U patent/CN219359313U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4838951A (en) | Solar module mounting arrangement using angle brackets | |
| CN219359313U (en) | Aircraft nose skylight fossil fragments assembly fixture | |
| CN111014762A (en) | Assembly method of connecting assembly of airplane frame and beam | |
| CN211775340U (en) | Acrylic panel capable of being spliced | |
| CN219504629U (en) | Machine head upper wall plate assembly fixture | |
| CN211296659U (en) | Mortise and tenon steel frame corner code for photovoltaic module | |
| CN212401596U (en) | Novel frame combination type frame | |
| CN215321536U (en) | Guide rail beam adjusting device and digital printer | |
| CN212501401U (en) | Die mounting and positioning jig for blister packaging equipment | |
| CN210263522U (en) | Single-face hanging plate partition wall structure | |
| CN219635489U (en) | Wing center wing box frock | |
| CN214603875U (en) | Film type LNG insulation board primary and secondary layer location frock | |
| CN215222795U (en) | PCB small pressing plate | |
| CN217113768U (en) | Elastic sheet type picture clip for fixing advertisement lamp sheet | |
| CN212868117U (en) | Steel joint assembly structure convenient to install and high in fixation | |
| CN221119213U (en) | Aluminum template for R angle construction | |
| CN220101891U (en) | Free adjustable high-reliability double-pneumatic-rod connecting device | |
| CN214292858U (en) | Torsion mistake proofing mechanism | |
| CN214700354U (en) | Novel glass laminate lamp | |
| CN215469755U (en) | Positioning fixture for machining automobile parts | |
| CN210703748U (en) | Rocker shaft support curved surface drilling pneumatic fixture | |
| CN214171041U (en) | Steel part and high stable connection structure of timber | |
| CN220699387U (en) | Adjustable limiting block mechanism | |
| CN220203734U (en) | Aluminum product splice for door and window splice frame | |
| CN214885175U (en) | Edge-closing transition piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |