CN214199850U - Phase-adjustable rocket projectile cabin body butt joint structure - Google Patents
Phase-adjustable rocket projectile cabin body butt joint structure Download PDFInfo
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- CN214199850U CN214199850U CN202022976362.8U CN202022976362U CN214199850U CN 214199850 U CN214199850 U CN 214199850U CN 202022976362 U CN202022976362 U CN 202022976362U CN 214199850 U CN214199850 U CN 214199850U
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Abstract
The utility model relates to a phase-adjustable rocket projectile cabin body butt joint structure, which comprises a front connector, a rear connector, an adjusting ring, a retainer ring, a double-end bolt and a nut; the check ring is arranged in the annular positioning groove of the rear connecting body, and the adjusting ring is arranged between the check ring in the inner cavity of the rear connecting body and the annular limiting table; the rear end thread of the stud bolt is screwed into the threaded hole of the adjusting ring, the front end thread section of the stud bolt penetrates through the annular connecting plate at the rear end of the front connecting body, and the penetrating part of the front end of the stud bolt is sleeved with the nut; and under the state that the nut is not screwed, the circumferential phase between the front connector and the rear connector is adjustable, and under the state that the nut is screwed, the circumferential phase between the front connector and the rear connector is fixed. The utility model discloses a rocket projectile cabin body butt-joint structural, on the basis of guaranteeing the reliable connection of two sections cabin bodies, can realize the nimble adjustment of two sections cabin body arbitrary phase angle.
Description
Technical Field
The utility model relates to a looks adjustable rocket projectile cabin body butt-joint structural belongs to rocket projectile assembly field.
Background
The butt joint structure of each cabin body of the rocket projectile is usually realized through screw connection or threaded connection; for some special bullet types, certain phase angle requirements exist between the outer walls of all the cabin bodies during assembly. The butt joint structure of the traditional cabin body enables the phase angle between the cabin bodies to be fixed before assembly, and because the shells of the cabin bodies are processed separately in batches, if the butt joint phase angle is determined during processing of the shells of the cabin bodies, the processing difficulty is high, and the processing cost is high. For example, with the adoption of the cabin body butt joint structure connected by the screws, when the connection screw holes of the two cabin bodies are processed, the phase angle is accurately positioned twice, and the phase angle accuracy of final assembly is difficult to guarantee after twice error accumulation. For the cabin body butt joint structure adopting threaded connection, the conventional thread machining precision is difficult to meet the phase angle precision of two sections of cabin bodies after the threads are screwed down.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving traditional rocket projectile cabin body butt-joint structural, can't satisfy the accurate adjustment of phase angle between each cabin body, provide a phase adjustable rocket projectile cabin body butt-joint structural for this reason.
The utility model aims at realizing through the following technical scheme:
the utility model discloses a phase-adjustable rocket projectile cabin body butt-joint structure, which comprises a front connector, a rear connector, an adjusting ring and a retainer ring which are arranged in the inner cavity of the rear connector, and a double-end bolt and a nut which are used for axially fixing the front connector and the rear connector;
the rear end of the front connecting body is provided with an annular connecting plate, and the plate surface of the annular connecting plate is axially provided with bolt through holes which are uniformly distributed on the circumference;
the adjusting ring is of an annular plate structure with the outer diameter matched with the inner diameter of the rear connecting body, a group of threaded holes which are uniformly distributed circumferentially are axially formed in the ring surface of the adjusting ring, and the circumferential distribution positions of the threaded holes in the adjusting ring are matched with the circumferential distribution positions of the bolt through holes in the annular connecting plate of the front connecting body;
thread sections with the same thread direction are respectively processed at two ends of the stud bolt, and the thread section at the rear end of the stud bolt is matched with the thread of the threaded hole on the adjusting ring;
the inner wall of the front end of the rear connecting body is provided with an annular positioning groove, an annular limiting table is arranged behind the annular positioning groove in the inner wall of the front end of the rear connecting body, and the distance between the annular positioning groove and the annular limiting table is matched with the thickness of the adjusting ring;
the retainer ring is a split ring with the axial width matched with the width of the annular positioning groove in the inner cavity of the rear connecting body and the radial thickness larger than the depth of the annular positioning groove in the inner cavity of the rear connecting body;
the check ring is arranged in the annular positioning groove of the rear connecting body, and the adjusting ring is arranged between the check ring in the inner cavity of the rear connecting body and the annular limiting table; the rear end thread of the stud bolt is screwed into the threaded hole of the adjusting ring, the front end thread section of the stud bolt penetrates through the annular connecting plate at the rear end of the front connecting body, and the penetrating part of the front end of the stud bolt is sleeved with the nut; and under the state that the nut is not screwed, the circumferential phase between the front connector and the rear connector is adjustable, and under the state that the nut is screwed, the circumferential phase between the front connector and the rear connector is fixed.
The front side of stud rear end screw thread section is equipped with annular location platform, prevents that stud's rear end screw thread section is worn out backward the screw hole of adjusting ring.
After the stud bolt is screwed through the nut, the side wall of the rear connecting body and the adjusting ring are fixed through a fastening screw, so that the adjusted front connecting body and the adjusted rear connecting body keep the adjusted phase angle.
Has the advantages that:
the utility model discloses a rocket projectile cabin body butt-joint structural, the manufacturability is good, simple structure, and the processing cost is low, on the basis of guaranteeing the reliable connection in two sections cabin bodies, can realize the nimble adjustment of two sections cabin body arbitrary phase place angles.
Drawings
Fig. 1 is a schematic structural view of the butt joint structure of the rocket projectile body of the present invention;
FIG. 2 is a schematic structural view of a stud bolt in the butt joint structure of the rocket projectile body of the present invention;
in the figure, 1-anterior linker; 2-a nut; 3-stud bolts; 4-a retainer ring; 5-fastening screws; 6-an adjustment ring; 7-rear linker.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1, the phase-adjustable butt structure for rocket projectile body of the present invention comprises a front connector 1, a rear connector 7, an adjusting ring 6 and a retainer ring 4 installed in the inner cavity of the rear connector 7, and a stud bolt 3 and a nut 2 for axially fixing the front connector 1 and the rear connector 7;
the rear end of the front connecting body 1 is provided with an annular connecting plate, and the plate surface of the annular connecting plate is axially provided with bolt through holes which are uniformly distributed on the circumference;
the adjusting ring 6 is of an annular plate structure with the outer diameter matched with the inner diameter of the rear connecting body 7, a group of threaded holes which are uniformly distributed circumferentially are axially formed in the annular surface of the adjusting ring 6, and the circumferential distribution positions of the threaded holes in the adjusting ring 6 are matched with the circumferential distribution positions of the bolt through holes in the annular connecting plate of the front connecting body 1;
as shown in fig. 2, thread sections with the same thread direction are respectively processed at two ends of the stud bolt 3, and the thread section at the rear end of the stud bolt 3 is in thread matching with the thread hole on the adjusting ring 6;
an annular positioning groove is formed in the inner wall of the front end of the rear connecting body 7, an annular limiting table is arranged behind the annular positioning groove in the inner wall of the front end of the rear connecting body 7, and the distance between the annular positioning groove and the annular limiting table is matched with the thickness of the adjusting ring 6;
the retainer ring 4 is a split ring with the axial width matched with the width of the annular positioning groove in the inner cavity of the rear connector 7 and the radial thickness larger than the depth of the annular positioning groove in the inner cavity of the rear connector 7;
during assembly, the rear end threads of the stud bolts 3 are screwed into the threaded holes of the adjusting ring 6, the adjusting ring 6 is inserted in front of the annular limiting table in the inner cavity of the rear connecting body 7, the retainer ring 4 is arranged in the annular positioning groove of the rear connecting body 7 to enable the adjusting ring 6 to be axially limited forwards, and the adjusting ring 6 is rotationally connected with the rear connecting body 7; the front end thread section of the stud bolt 3 penetrates through the annular connecting plate at the rear end of the front connecting body 1, the front end penetrating part of the stud bolt 3 is sleeved with the nut 2, and the nut 2 is screwed after the phase angle of the front connecting body 1 and the rear connecting body 7 is adjusted, so that the front connecting body 1 and the rear connecting body 7 are fixedly connected in a state of keeping a fixed phase angle.
As shown in fig. 2, an annular positioning table is arranged on the front side of the rear end thread section of the stud bolt 3 to prevent the rear end thread section of the stud bolt 3 from passing through the threaded hole of the adjusting ring 6 backwards.
After the stud bolt 3 is screwed through the nut 2, the side wall of the rear connecting body 7 and the adjusting ring 6 are fixed through a fastening screw 5, so that the adjusted phase angle of the front connecting body 1 and the adjusted phase angle of the rear connecting body 7 are kept.
Claims (3)
1. The utility model provides a looks adjustable rocket projectile cabin body butt-joint structural, characterized by: the device comprises a front connector, a rear connector, an adjusting ring and a retainer ring which are arranged in the inner cavity of the rear connector, and a double-end bolt and a nut which are used for axially fixing the front connector and the rear connector;
the rear end of the front connecting body is provided with an annular connecting plate, and the plate surface of the annular connecting plate is axially provided with bolt through holes which are uniformly distributed on the circumference;
the adjusting ring is of an annular plate structure with the outer diameter matched with the inner diameter of the rear connecting body, a group of threaded holes which are uniformly distributed circumferentially are axially formed in the ring surface of the adjusting ring, and the circumferential distribution positions of the threaded holes in the adjusting ring are matched with the circumferential distribution positions of the bolt through holes in the annular connecting plate of the front connecting body;
thread sections with the same thread direction are respectively processed at two ends of the stud bolt, and the thread section at the rear end of the stud bolt is matched with the thread of the threaded hole on the adjusting ring;
the inner wall of the front end of the rear connecting body is provided with an annular positioning groove, an annular limiting table is arranged behind the annular positioning groove in the inner wall of the front end of the rear connecting body, and the distance between the annular positioning groove and the annular limiting table is matched with the thickness of the adjusting ring;
the retainer ring is a split ring with the axial width matched with the width of the annular positioning groove in the inner cavity of the rear connecting body and the radial thickness larger than the depth of the annular positioning groove in the inner cavity of the rear connecting body;
the check ring is arranged in the annular positioning groove of the rear connecting body, and the adjusting ring is arranged between the check ring in the inner cavity of the rear connecting body and the annular limiting table; the rear end thread of the stud bolt is screwed into the threaded hole of the adjusting ring, the front end thread section of the stud bolt penetrates through the annular connecting plate at the rear end of the front connecting body, and the penetrating part of the front end of the stud bolt is sleeved with the nut; and under the state that the nut is not screwed, the circumferential phase between the front connector and the rear connector is adjustable, and under the state that the nut is screwed, the circumferential phase between the front connector and the rear connector is fixed.
2. The butt joint structure of the rocket projectile cabin body with the adjustable phase as claimed in claim 1, wherein: and an annular positioning table is arranged on the front side of the threaded section at the rear end of the stud bolt.
3. The butt joint structure of the rocket projectile cabin body with the adjustable phase as claimed in claim 1 or 2, wherein: after the stud bolt is screwed through the nut, the side wall of the rear connecting body and the adjusting ring are fixed through a fastening screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022976362.8U CN214199850U (en) | 2020-12-09 | 2020-12-09 | Phase-adjustable rocket projectile cabin body butt joint structure |
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CN202022976362.8U CN214199850U (en) | 2020-12-09 | 2020-12-09 | Phase-adjustable rocket projectile cabin body butt joint structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112484586A (en) * | 2020-12-09 | 2021-03-12 | 晋西工业集团有限责任公司 | Phase-adjustable rocket projectile cabin body butt joint structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112484586A (en) * | 2020-12-09 | 2021-03-12 | 晋西工业集团有限责任公司 | Phase-adjustable rocket projectile cabin body butt joint structure |
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