CN210800405U - Synchronous regulation type expansion joint - Google Patents
Synchronous regulation type expansion joint Download PDFInfo
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- CN210800405U CN210800405U CN201921871851.8U CN201921871851U CN210800405U CN 210800405 U CN210800405 U CN 210800405U CN 201921871851 U CN201921871851 U CN 201921871851U CN 210800405 U CN210800405 U CN 210800405U
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Abstract
The utility model discloses a synchronous adjustment formula expansion joint relates to expansion joint technical field. The utility model discloses a first flange, the second flange, the bellows, three threaded rod and adjusting part, first flange and second flange week side all are fixed with three journal stirrup, first through-hole and second through-hole have been seted up on the journal stirrup on first flange and the second flange respectively, threaded rod one end week side is fixed in first through-hole through a set of nut, the threaded rod other end passes through the connecting piece to be fixed in the second through-hole, the connecting piece includes the internal thread cover, internal thread cover and threaded rod screw-thread fit, internal thread cover one end week side is fixed with the gear. The utility model discloses a rotate the swivel and can drive the internal thread cover on the three threaded rod simultaneously and rotate, the internal thread cover can slide from top to bottom along the threaded rod to realize the regulation of position between first flange and the second flange, solved the problem that current expansion joint is not convenient for adjust length.
Description
Technical Field
The utility model belongs to the technical field of the expansion joint, especially, relate to an expansion joint.
Background
The cooperation that current expansion joint used screw rod and nut more uses two fixed flanges, installs the bellows between two flanges, and the distance between two flanges can be adjusted to the cooperation that uses screw rod and nut simultaneously, however in order to guarantee stability on the expansion joint, uses the screw rod nut cooperation more than three, and in order to adjust the length of expansion joint, need rotate the nut simultaneously, the staff's of not being convenient for operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a synchronous regulation formula expansion joint can drive the interior thread bush on the three threaded rod simultaneously through rotating the change, and the interior thread bush can slide from top to bottom along the threaded rod to realize the regulation of position between first flange and the second flange, solved the problem of current expansion joint be not convenient for adjust length.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a synchronous regulation type expansion joint, which comprises a first flange, a second flange, a corrugated pipe, three threaded rods and a regulating component, wherein three support lugs are fixed on the peripheral sides of the first flange and the second flange, a first through hole and a second through hole are respectively arranged on the support lugs on the first flange and the second flange, and one peripheral side of one end of each threaded rod is fixed in the first through hole through a group of nuts;
the other end of the threaded rod is fixed in the second through hole through a connecting piece;
the connecting piece comprises an internal thread sleeve, the internal thread sleeve is in thread fit with the threaded rod, a gear is fixed on the peripheral side face of one end of the internal thread sleeve, and a hexagonal sleeve is fixed on the peripheral side face of the other end of the internal thread sleeve;
the internal thread sleeve is in threaded connection with the threaded rod, and the gear and the hexagonal sleeve are respectively positioned on the outer side and the inner side of the second flange;
the adjusting assembly comprises an inner gear sleeve and a mounting plate;
a plurality of supporting edges are fixed on the peripheral side surface of the second flange, the mounting plate is fixed on one surface of each supporting edge through a screw, a fixing ring is fixed on one surface of the mounting plate, which is far away from the supporting edges, and an annular sliding groove is formed in the inner wall of the fixing ring;
interior tooth cover week side is fixed with annular slider, annular slider is located inside the annular spout and with annular spout sliding fit, interior tooth cover and gear position go up relatively and with gear engagement, interior tooth cover keeps away from solid fixed ring a fixed surface and has a swivel.
Further, the outer diameter of the internal thread sleeve is the same as the inner diameter of the second through hole, and the distance between the gear and the hexagonal sleeve is the same as the thickness of the second flange.
Furthermore, the inner diameter of the hexagonal sleeve is the same as the outer diameter of the internal thread sleeve, a mounting hole is formed in the peripheral side face of the hexagonal sleeve, and the hexagonal sleeve is fixed on the internal thread sleeve through a screw or welded.
Further, the inner diameter of the rotating ring is the same as that of the inner gear sleeve, and the outer diameter of the rotating ring is the same as that of the fixing ring.
Furthermore, three lugs on the first flange and the second flange are distributed in the same annular interval, and the first through hole and the second through hole are concentrically arranged.
Further, the threaded rod is in clearance fit with the first through hole, and the nuts are in threaded connection with the threaded rod and located on two sides of the first flange respectively.
Further, the corrugated pipe is fixed between the first flange and the second flange, and the corrugated pipe and the first flange are arranged concentrically.
Furthermore, the cross section of the annular sliding groove is of an arc structure, a rectangular structure, a dovetail structure, a convex structure or a trapezoidal structure.
The utility model discloses following beneficial effect has:
the utility model discloses a rotating the swivel and can driving the internal thread cover on the three threaded rod simultaneously and rotate, the internal thread cover can slide from top to bottom along the threaded rod to realize the regulation of position between first flange and the second flange, compare in the adjusting bolt of current expansion joint, the length of expansion joint can be shortened in advance in the time of the butt joint of installation simultaneously in the adjustment and the operation of person of facilitating the use, and the extension is once more done after finishing to the heart, person of facilitating the use's installation.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a synchronous adjustment type expansion joint of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic structural view of the first flange, the second flange and the bellows;
FIG. 6 is a schematic view of a threaded rod;
FIG. 7 is a schematic structural view of a connector;
FIG. 8 is a schematic structural view of the inner gear sleeve;
FIG. 9 is a schematic view of the retaining ring;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first flange, 2-a second flange, 3-a corrugated pipe, 4-a threaded rod, 5-an adjusting component, 6-a connecting piece, 101-a support lug, 102-a first through hole, 201-a second through hole, 202-a support edge, 401-a nut, 501-an inner gear sleeve, 502-a mounting plate, 503-a fixing ring, 504-an annular chute, 505-an annular sliding block, 506-a rotating ring, 601-an inner thread sleeve, 602-a gear, 603-a hexagonal sleeve and 604-a mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-9, the utility model relates to a synchronous adjustment type expansion joint, which comprises a first flange 1, a second flange 2, a corrugated pipe 3, three threaded rods 4 and an adjusting component 5, wherein the peripheral sides of the first flange 1 and the second flange 2 are respectively fixed with three support lugs 101, the support lugs 101 on the first flange 1 and the second flange 2 are respectively provided with a first through hole 102 and a second through hole 201, and the peripheral side of one end of the threaded rod 4 is fixed in the first through hole 102 through a group of nuts 401;
the other end of the threaded rod 4 is fixed in the second through hole 201 through a connecting piece 6;
the connecting piece 6 comprises an internal thread sleeve 601, the internal thread sleeve 601 is in thread fit with the threaded rod 4, a gear 602 is fixed on the peripheral side surface of one end of the internal thread sleeve 601, and a hexagonal sleeve 603 is fixed on the peripheral side surface of the other end of the internal thread sleeve 601;
the internal thread sleeve 601 is in threaded connection with the threaded rod 4, and the gear 602 and the hexagonal sleeve 603 are respectively positioned on the outer side and the inner side of the second flange 2;
the adjusting assembly 5 comprises an inner gear sleeve 501 and a mounting plate 502;
a plurality of supporting edges 202 are fixed on the peripheral side surface of the second flange 2, the mounting plate 502 is fixed on one surface of each supporting edge 202 through a screw, a fixing ring 503 is fixed on one surface of the mounting plate 502 far away from the supporting edge 202, and an annular sliding groove 504 is formed in the inner wall of the fixing ring 503;
an annular sliding block 505 is fixed on the peripheral side surface of the inner gear sleeve 501, the annular sliding block 505 is positioned inside the annular sliding groove 504 and is in sliding fit with the annular sliding groove 504, the inner gear sleeve 501 is opposite to the gear 602 in position and is meshed with the gear 602, and a rotating ring 506 is fixed on one surface of the inner gear sleeve 501, which is far away from the fixed ring 503.
As shown in fig. 4, the outer diameter of the internal thread sleeve 601 is the same as the inner diameter of the second through hole 201, and the distance between the gear 602 and the hexagonal sleeve 603 is the same as the thickness of the second flange 2.
As shown in fig. 6 to 7, the inner diameter of the hexagonal sleeve 603 is the same as the outer diameter of the internal thread bushing 601, the peripheral side surface of the hexagonal sleeve 603 is provided with a mounting hole 604, and the hexagonal sleeve 603 is fixed to the internal thread bushing 601 by a screw or welding.
As shown in fig. 3, the inner diameter of the rotary ring 506 is the same as the inner diameter of the inner gear sleeve 501, and the outer diameter of the rotary ring 506 is the same as the outer diameter of the fixed ring 503.
As shown in fig. 5, the three lugs 101 on the first flange 1 and the second flange 2 are distributed in the same annular interval, and the first through hole 102 and the second through hole 201 are concentrically arranged.
As shown in fig. 1 and 3, the threaded rod 4 is in clearance fit with the first through hole 102, and a set of nuts 401 are all screwed on the threaded rod 4 and located on two sides of the first flange 1 respectively.
As shown in fig. 1, 3 and 5, the bellows 3 is fixed between the first flange 1 and the second flange 2, and the bellows 3 is disposed concentrically with the first flange 1.
The cross section of the annular sliding groove 504 is an arc-shaped structure, a rectangular structure, a dovetail-shaped structure, a convex-shaped structure or a trapezoidal structure.
One specific application of this embodiment is: the rotating ring 506 can drive the inner gear sleeve 501 to rotate along the fixing ring 503, and the inner gear sleeve 501 can simultaneously drive the gears 602 on the three threaded rods 4 to rotate when rotating, so that the inner thread sleeve 601 is driven to rotate, and the adjustment of the position between the first flange 1 and the second flange 2 is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a synchronous regulation formula expansion joint, includes first flange (1), second flange (2), bellows (3) and three threaded rod (4), first flange (1) and second flange (2) week side all are fixed with three journal stirrup (101), first through-hole (102) and second through-hole (201) have been seted up on journal stirrup (101) on first flange (1) and second flange (2) respectively, threaded rod (4) one end week side is fixed in first through-hole (102) through a set of nut (401), its characterized in that: also comprises an adjusting component (5);
the other end of the threaded rod (4) is fixed in the second through hole (201) through a connecting piece (6);
the connecting piece (6) comprises an internal thread sleeve (601), the internal thread sleeve (601) is in thread fit with the threaded rod (4), a gear (602) is fixed on the peripheral side surface of one end of the internal thread sleeve (601), and a hexagonal sleeve (603) is fixed on the peripheral side surface of the other end of the internal thread sleeve (601);
the internal thread sleeve (601) is in threaded connection with the threaded rod (4), and the gear (602) and the hexagonal sleeve (603) are respectively positioned on the outer side and the inner side of the second flange (2);
the adjusting assembly (5) comprises an inner gear sleeve (501) and a mounting plate (502);
a plurality of supporting edges (202) are fixed on the peripheral side surface of the second flange (2), the mounting plate (502) is fixed on one surface of each supporting edge (202) through a screw, a fixing ring (503) is fixed on one surface, far away from the supporting edges (202), of the mounting plate (502), and an annular sliding groove (504) is formed in the inner wall of the fixing ring (503);
interior tooth cover (501) week side is fixed with annular slider (505), annular slider (505) are located annular spout (504) inside and with annular spout (504) sliding fit, interior tooth cover (501) and gear (602) position go up relatively and with gear (602) meshing, interior tooth cover (501) keep away from solid fixed ring (503) a fixed surface and have a change (506).
2. The synchronous regulating expansion joint according to claim 1, characterized in that the external diameter of the internally threaded sleeve (601) is the same as the internal diameter of the second through hole (201), and the distance between the gear (602) and the hexagonal sleeve (603) is the same as the thickness of the second flange (2).
3. The synchronous adjusting type expansion joint according to claim 1, wherein the inner diameter of the hexagonal sleeve (603) is the same as the outer diameter of the internal threaded sleeve (601), a mounting hole (604) is formed in the peripheral side surface of the hexagonal sleeve (603), and the hexagonal sleeve (603) is fixed on the internal threaded sleeve (601) through a screw or welding.
4. The synchronous adjustable expansion joint according to claim 1, wherein the inner diameter of the rotary ring (506) is the same as the inner diameter of the inner sleeve (501), and the outer diameter of the rotary ring (506) is the same as the outer diameter of the fixed ring (503).
5. The synchronous adjustable expansion joint according to claim 1, wherein the three lugs (101) of the first flange (1) and the second flange (2) are distributed in the same annular interval, and the first through hole (102) and the second through hole (201) are concentrically arranged.
6. The synchronous adjustable expansion joint according to claim 1, wherein the threaded rod (4) is clearance fitted with the first through hole (102), and a set of nuts (401) are threaded on the threaded rod (4) and located on both sides of the first flange (1).
7. The synchronous adjustable expansion joint according to claim 1, wherein the bellows (3) is fixed between a first flange (1) and a second flange (2), the bellows (3) being arranged concentrically with the first flange (1).
8. The synchronous adjustable expansion joint according to claim 1, wherein the cross-section of the annular runner (504) is an arc-shaped structure or a rectangular structure or a dovetail-shaped structure or a convex-shaped structure or a trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871851.8U CN210800405U (en) | 2019-11-02 | 2019-11-02 | Synchronous regulation type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871851.8U CN210800405U (en) | 2019-11-02 | 2019-11-02 | Synchronous regulation type expansion joint |
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| Publication Number | Publication Date |
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| CN210800405U true CN210800405U (en) | 2020-06-19 |
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| CN201921871851.8U Active CN210800405U (en) | 2019-11-02 | 2019-11-02 | Synchronous regulation type expansion joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764243A (en) * | 2021-09-06 | 2021-12-07 | 核工业西南物理研究院 | Separated superconducting magnet flange, superconducting magnet and gyrotron assembly method |
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2019
- 2019-11-02 CN CN201921871851.8U patent/CN210800405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764243A (en) * | 2021-09-06 | 2021-12-07 | 核工业西南物理研究院 | Separated superconducting magnet flange, superconducting magnet and gyrotron assembly method |
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