CN220204258U - Blind hole positioning and connecting mechanism - Google Patents
Blind hole positioning and connecting mechanism Download PDFInfo
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- CN220204258U CN220204258U CN202321748973.4U CN202321748973U CN220204258U CN 220204258 U CN220204258 U CN 220204258U CN 202321748973 U CN202321748973 U CN 202321748973U CN 220204258 U CN220204258 U CN 220204258U
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- 230000008878 coupling Effects 0.000 claims 1
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- 238000005859 coupling reaction Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
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Abstract
The utility model discloses a blind hole positioning and connecting mechanism, and belongs to the technical field of blind hole positioning and connecting. A blind hole locating connection mechanism comprising: the device comprises a connecting block, an expansion ring, an inner and outer thread joint, a positioning block, a compression ring and a fastener; the connecting block stretches into the bottom of blind hole, and the expansion ring cover is established on the connecting block, and the inboard of interior outer screwed joint and the top threaded connection of connecting block, the outside of interior outer screwed joint and the bottom threaded connection of locating piece, the bottom and the expansion ring contact of locating piece, and the clamp ring cover is established on the locating piece, fastener and locating piece threaded connection. According to the utility model, the parts to be positioned and connected are fixed in the blind holes of the flange plate of the horizontal riveting type frame through the blind hole positioning and connecting mechanism, so that the design and the manufacture of special tools are reduced, the time and the labor are saved, the assembly precision of the large-diameter cylinder riveting piece is improved, and the parts are directly riveted with other parts after the parts are positioned.
Description
Technical Field
The utility model relates to the technical field of blind hole positioning connection, in particular to a blind hole positioning connection mechanism.
Background
When manufacturing large cabin section riveting pieces (hereinafter referred to as large diameter cylinder riveting pieces) in the aerospace field by the horizontal riveting type frame, parts (such as explosion boxes separated from large cabin sections of space rockets) are usually required to be installed on the large diameter cylinder riveting pieces, and then the parts are required to be positioned first and then riveted on the large diameter cylinder riveting pieces. The traditional positioning method for the parts is to design and manufacture special tools, and the parts are positioned by the special tools, but the positioning method separates the whole manufacturing process of the large-diameter cylinder riveting piece, so that the labor and the effort are wasted, and the assembly precision of the large-diameter cylinder riveting piece can be influenced when the parts are assembled.
Disclosure of Invention
The utility model aims to provide a blind hole positioning and connecting mechanism which is used for fixing parts to be positioned and connected in blind holes of a flange plate of a horizontal riveting type frame, so that the design and the manufacture of a special tool are reduced, the time and the labor are saved, and the assembly precision of a large-diameter cylinder riveting piece is improved.
The technical scheme for solving the technical problems is as follows:
a blind hole locating connection mechanism comprising: the device comprises a connecting block, an expansion ring, an inner and outer thread joint, a positioning block, a compression ring and a fastener; the connecting block stretches into the bottom of the blind hole, the expansion ring is sleeved on the connecting block, the inner side of the inner and outer screwed joint is in threaded connection with the top of the connecting block, the outer side of the inner and outer screwed joint is in threaded connection with the bottom of the positioning block, the bottom end of the positioning block is in contact with the expansion ring, the compression ring is sleeved on the positioning block, and the fastening piece is in threaded connection with the positioning block;
the positioning block enables the expansion ring to deform, and the connecting block and the positioning block are fixed in the blind hole, so that the parts are positioned and connected through the compression ring and the fastening piece.
Further, the connecting block comprises a conical block and a connecting head connected to the top of the conical block; the conical surface of the conical block is matched with the inner side surface of the expansion ring, and the connector is in threaded connection with the inner side of the inner and outer thread connector.
Further, the expansion ring comprises a positioning ring and a compression ring connected to the edge of the positioning ring, the positioning ring is sleeved on the connecting head, the inner side surface of the compression ring, which is far away from the positioning ring, is a conical surface matched with the conical block, the compression ring is provided with a plurality of notches, and the notches extend to the positioning ring to enable the compression ring to form a plurality of compression blocks.
Further, the positioning ring and the compression ring are integrally formed.
Further, the positioning block comprises a positioning sleeve and a thread head; one end of the positioning sleeve is provided with a cavity, the side wall of the cavity is in threaded connection with the outer side of the inner and outer thread joint, and the other end of the positioning sleeve is connected with a thread head; the locating sleeve is contacted with the expansion ring, the compression ring is sleeved on the thread head, and the fastening piece is in threaded connection with the thread head.
Further, a gasket is arranged between the fastener and the compression ring.
Further, the material of the compression ring is rubber.
The utility model has the following beneficial effects:
according to the utility model, the parts to be positioned and connected are fixed in the blind holes of the flange plate of the horizontal riveting type frame through the blind hole positioning and connecting mechanism, so that the design and the manufacture of special tools are reduced, the time and the labor are saved, the assembly precision of the large-diameter cylinder riveting piece is improved, and the parts are directly riveted with other parts after the parts are positioned. The positioning block and the connecting block are respectively connected through the internal thread connector and the external thread connector, the positioning block can extrude the expansion ring when being screwed, the expansion ring can fill the gap between the connecting block and the flange after being compressed, thereby fixing the connecting block and the positioning block, and fixing the part through the compression ring and the fastener, thereby positioning the part at the blind hole of the flange.
Drawings
FIG. 1 is a schematic view of a blind hole positioning connection mechanism according to the present utility model;
FIG. 2 is a schematic diagram of an exploded view of a blind hole positioning connection mechanism according to the present utility model;
FIG. 3 is a schematic view of the structure of the connecting block of the present utility model;
FIG. 4 is a schematic structural view of an expansion loop of the present utility model;
fig. 5 is a schematic structural view of the positioning block of the present utility model.
In the figure: 61-connecting blocks; 62-an expansion loop; 63-an inner and outer wire joint; 64-positioning blocks; 65-a clamp ring; 66-fasteners; 67-a gasket; 611-conical blocks; 612-connecting heads; 621-positioning rings; 622-compression ring; 623-notch; 624-compression block; 641-positioning sleeve; 642-thread head; 643-cavity.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1 and 2, the present embodiment provides a blind hole positioning connection mechanism for fixing a part in a blind hole of a flange plate of a horizontal riveting frame, positioning the part at the blind hole, and directly riveting with other parts after positioning.
Referring to fig. 1 to 5, a blind hole positioning connection mechanism includes: a connection block 61, an expansion ring 62, an inner and outer wire joint 63, a positioning block 64, a compression ring 65 and a fastener 66. The connecting block 61 stretches into the blind hole of the flange plate and comprises a conical block 611 and a connecting head 612, wherein the bottom end (the end with the larger cross section) of the conical block 611 is contacted with the bottom wall of the blind hole, the top end (the end with the smaller cross section) of the conical block 611 is fixedly connected with the connecting head 612, a gap is reserved between the conical surface of the conical block 611 and the side wall of the blind hole, and threads are arranged on the outer side of the connecting head 21. The expansion ring 62 comprises a positioning ring 621 and a compression ring 622, the positioning ring 621 is sleeved on the connector 612, the compression ring 622 is positioned on one side of the positioning ring 621 and fixedly connected with the edge of the positioning ring 621, and the compression ring 622 is sleeved on the conical block 611. The inner side surface of the compression ring 622 away from the positioning ring 621 is a conical surface matched with the conical block 611, and a gap is formed between the end surface of the compression ring 622 away from the positioning ring 621 and the bottom wall of the blind hole, so that the compression ring 622 has a deformation space.
In order to allow the compression ring 622 to deform effectively, in this embodiment, the compression ring 622 is provided with a plurality of notches 623, such that the compression ring 622 forms a plurality of compression blocks 624 (i.e., the compression ring 622 is annularly surrounded by the plurality of compression blocks 624), and a gap is provided between the positioning ring 621 and the tapered block 611.
In this embodiment, the tapered block 611 and the connector 612 are integrally formed, and the positioning ring 621 and the compression ring 622 are integrally formed.
The positioning block 64 includes a positioning sleeve 641 and a screw head 642. One end of the positioning sleeve 641 extends into the blind hole and is provided with a cavity 643, the side wall of the cavity 643 is provided with threads, and the other end of the positioning sleeve 641 is positioned outside the blind hole and connected with a thread head 642. The inner and outer thread joint 63 extends into the cavity 643 and is in threaded connection with the positioning sleeve 641, and the connector 612 extends into the inner and outer thread joint 63 and is in threaded connection with the inner and outer thread joint 63, so that the positioning block 64 is fixedly connected with the connecting block 61.
In this embodiment, the bottom of the positioning sleeve 641 contacts the positioning ring 621 of the expansion ring 62, and when the positioning sleeve 641 is screwed, the expansion ring 62 is pressed to deform the compression ring 622 of the expansion ring 62, filling the gap between the connecting block 61 and the side wall of the blind hole, thereby fixing the connecting block 61 in the blind hole.
The screw head 642 is sequentially sleeved with a part to be positioned and connected, a compression ring 65, a gasket 67 and a fastener 66, the part to be positioned and connected is contacted with the flange, and the compression ring 65 is compressed by the fastener 66 and the gasket 67 after being contacted with the part to be positioned and connected, so that the part to be positioned and connected is fixed at the blind hole of the flange.
In this embodiment, the positioning sleeve 641 and the screw head 642 are integrally formed, and the compression ring 65 is made of rubber.
The utility model respectively connects the positioning block 64 and the connecting block 61 through the inner and outer wire joints 63, the positioning block 64 can extrude the expansion ring 62 when being screwed, the expansion ring 62 can fill the gap between the connecting block 61 and the flange after being compressed, thereby fixing the connecting block 61 and the positioning block 64, and fixing the part through the compression ring 65 and the fastener 66, thereby positioning the part at the blind hole of the flange, and directly riveting the part and other parts after positioning the part.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A blind hole positioning connection mechanism, comprising: the device comprises a connecting block (61), an expansion ring (62), an inner and outer thread joint (63), a positioning block (64), a compression ring (65) and a fastener (66); the connecting block (61) stretches into the bottom of the blind hole, the expansion ring (62) is sleeved on the connecting block (61), the inner side of the inner and outer screwed joint (63) is in threaded connection with the top of the connecting block (61), the outer side of the inner and outer screwed joint (63) is in threaded connection with the bottom of the positioning block (64), the bottom of the positioning block (64) is in contact with the expansion ring (62), the compression ring (65) is sleeved on the positioning block (64), and the fastening piece (66) is in threaded connection with the positioning block (64);
the positioning block (64) deforms the expansion ring (62), and the connecting block (61) and the positioning block (64) are fixed in the blind hole, so that parts are positioned and connected through the compression ring (65) and the fastening piece (66).
2. Blind hole positioning connection mechanism according to claim 1, characterized in that the connection block (61) comprises a conical block (611) and a connection head (612) connected to the top of the conical block (611); the conical surface of the conical block (611) is matched with the inner side surface of the expansion ring (62), and the connector (612) is in threaded connection with the inner side of the inner and outer screwed joint (63).
3. Blind hole location coupling mechanism according to claim 2, characterized in that the expansion ring (62) comprises a positioning ring (621) and a compression ring (622) connected to the edge of the positioning ring (621), the positioning ring (621) is sleeved on the connecting head (612), the inner side surface of the compression ring (622) away from the positioning ring (621) is a conical surface matched with the conical block (611), the compression ring (622) is provided with a plurality of notches (623), the notches (623) extend to the positioning ring (621), and the compression ring (622) forms a plurality of compression blocks (624).
4. A blind hole positioning connection according to claim 3, characterized in that the positioning ring (621) is integrally formed with the compression ring (622).
5. Blind hole positioning connection mechanism according to any one of claims 1 to 4, characterized in that the positioning block (64) comprises a positioning sleeve (641) and a threaded head (642); one end of the positioning sleeve (641) is provided with a cavity (643), the side wall of the cavity (643) is in threaded connection with the outer side of the inner and outer screwed joint (63), and the other end of the positioning sleeve (641) is connected with the threaded head (642); the positioning sleeve (641) is in contact with the expansion ring (62), the compression ring (65) is sleeved on the threaded head (642), and the fastening piece (66) is in threaded connection with the threaded head (642).
6. Blind hole positioning connection according to claim 5, characterized in that a spacer (67) is provided between the fastener (66) and the clamp ring (65).
7. Blind hole positioning connection according to claim 6, characterized in that the material of the clamp ring (65) is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748973.4U CN220204258U (en) | 2023-07-05 | 2023-07-05 | Blind hole positioning and connecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748973.4U CN220204258U (en) | 2023-07-05 | 2023-07-05 | Blind hole positioning and connecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204258U true CN220204258U (en) | 2023-12-19 |
Family
ID=89142820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321748973.4U Active CN220204258U (en) | 2023-07-05 | 2023-07-05 | Blind hole positioning and connecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204258U (en) |
-
2023
- 2023-07-05 CN CN202321748973.4U patent/CN220204258U/en active Active
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