CN220851226U - Synchronous regulation type expansion joint - Google Patents
Synchronous regulation type expansion joint Download PDFInfo
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- CN220851226U CN220851226U CN202322534169.2U CN202322534169U CN220851226U CN 220851226 U CN220851226 U CN 220851226U CN 202322534169 U CN202322534169 U CN 202322534169U CN 220851226 U CN220851226 U CN 220851226U
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- flange
- ring
- expansion joint
- threaded rod
- otic placode
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a synchronous regulation type expansion joint, which comprises a corrugated pipe, a first flange and a second flange, wherein the first flange is arranged at one end of the corrugated pipe, the second flange is arranged at the other end of the corrugated pipe, three first lug plates are arranged on the outer circumferential wall of the first flange at equal intervals, first through holes are formed in the first lug plates, three second lug plates are arranged on the outer circumferential wall of the second flange at equal intervals, second through holes are formed in the second lug plates, and threaded rods are arranged between the first lug plates and the second lug plates which are close to each other.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a synchronous adjusting expansion joint.
Background
Expansion joints are a flexible structure provided on the vessel shell or pipe to compensate for additional stresses caused by temperature differences and mechanical vibrations. The expansion joint working main body can absorb the dimensional change of pipelines, ducts, containers and the like caused by expansion caused by heat and contraction caused by cold and the like by utilizing the effective expansion deformation of the expansion joint working main body, or compensate the axial, transverse and angular displacement of the pipelines, ducts, containers and the like, and can also be used for noise reduction and vibration reduction. Has been widely used in the fields of environmental protection, chemical industry, metallurgy, etc. In the environment protection field, in order to prevent the pipeline from deforming or damaging due to thermal elongation or temperature stress when the heating pipeline is heated, an expansion joint needs to be arranged on the pipeline to compensate the thermal elongation of the pipeline, so that the stress of the pipeline wall and the acting force acting on the valve element or the support structure are reduced.
The existing expansion joint uses the screw rod and the nut to be matched with each other to fix two flanges, a corrugated pipe is installed between the two flanges, the distance between the two flanges can be adjusted by using the screw rod and the nut in a matched mode, however, in order to ensure stability, more than three screw rods and nuts are used for matching on the expansion joint, in order to adjust the length of the expansion joint, the nuts are required to be rotated simultaneously, and the operation of workers is inconvenient.
Through searching, chinese patent application number: 201921871851.8 discloses a synchronous regulation formula expansion joint, including first flange, second flange, bellows, three threaded rod and adjusting part, first flange and second flange week side all are fixed with three journal stirrup, have seted up first through-hole and second through-hole on the journal stirrup on first flange and the second flange respectively, and threaded rod one end week side is fixed in first through-hole through a set of nut, and the threaded rod other end passes through the connecting piece to be fixed in the second through-hole, and the connecting piece includes the internal thread cover, internal thread cover and threaded rod screw-thread fit, and internal thread cover one end week side is fixed with the gear. According to the utility model, the rotating ring can be rotated to drive the internal thread sleeves on the three threaded rods to rotate simultaneously, and the internal thread sleeves can slide up and down along the threaded rods, so that the position between the first flange and the second flange is adjusted, and the problem that the length of the existing expansion joint is inconvenient to adjust is solved.
Although the internal thread sleeve on the three threaded rods can be driven to rotate simultaneously through the rotating ring, the adjustment and the operation of a user are facilitated, the external side of the gear is meshed with the internal thread sleeve of the adjusting assembly in the application, so that the volume of the adjusting assembly is large, and when the installation space of the expansion joint is limited, the installation operation of the expansion joint can be influenced by the adjusting assembly with large volume.
Disclosure of utility model
1. Technical problem to be solved by the utility model
Aiming at the problems that in the prior art, the inner tooth of the adjusting component is sleeved on the outer side of the gear, so that the adjusting component is large in size and the installation operation of the expansion joint is influenced, the utility model designs the synchronous adjusting expansion joint, and the designed outer tooth ring is arranged on the inner side of the gear, so that the size of the adjusting component is greatly reduced, and the installation operation of the expansion joint is facilitated.
2. Technical proposal
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a synchronous regulation formula expansion joint, includes bellows, first flange and second flange, first flange is located bellows one end, the second flange is located the bellows other end, equidistant three first otic placode that is provided with on the outer circumference wall of first flange, first through-hole has been seted up on the first otic placode, equidistant three second otic placode that is provided with on the outer circumference wall of second flange, second through-hole has been seted up on the second otic placode, close first otic placode is provided with the threaded rod between the second otic placode, threaded rod one end is fixed on the second otic placode, the threaded rod other end passes through the connecting piece and connects on the first otic placode;
The connecting piece comprises a thread sleeve, a bearing and a gear, wherein the thread sleeve is rotationally connected in a first through hole on the first lug plate through the bearing, the thread sleeve is in threaded sleeve connection with the outer side of the threaded rod, and the gear is fixedly sleeved on the outer wall of the top end of the thread sleeve;
the adjusting assembly is further arranged on the first lug plate and used for driving all gears to synchronously rotate, the adjusting assembly comprises an outer toothed ring, the outer toothed ring is rotationally connected to the first lug plate, and the outer toothed ring is meshed with all gears.
Preferably, the adjusting assembly further comprises a ring member arranged at the top of the outer gear ring, wherein the inner diameter of the ring member is the same as the inner diameter of the outer gear ring, and the outer diameter of the ring member is larger than the outer diameter of the outer gear ring.
Preferably, the adjusting assembly further comprises an inner edge ring arranged at the bottom end of the inner ring of the outer toothed ring, and the inner edge ring is pressed on the first lug plate through a detachable bolt.
Preferably, the bottom end of the outer tooth ring is provided with a sliding block in annular arrangement, the top of the first lug plate is provided with a sliding groove corresponding to the sliding block, and the sliding block is in sliding fit with the sliding groove.
Preferably, one end of the threaded rod penetrates through a second through hole in the second lug plate and is limited and fixed through two fixing nuts, and the two fixing nuts are respectively located on two sides of the second flange.
Preferably, the first flange and the second flange are provided with mounting holes.
3. Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
According to the adjusting assembly of the synchronous adjusting expansion joint, through the adjusting assembly and the connecting piece, an operator rotates the annular piece, the annular piece drives the outer tooth ring to rotate, when the outer tooth ring rotates, all meshed gears are driven to rotate, the rotating gears drive the threaded sleeve to rotate, and the position of the threaded sleeve on the threaded rod can be driven to be adjusted through the rotating gears, so that the synchronous adjustment of the positions of all the threaded sleeves is realized, the positions of the first flange are correspondingly adjusted, the distance between the first flange and the second flange is adjusted, the operation of the operator is facilitated, convenience is improved, and compared with the prior art, the volume of the adjusting assembly is greatly reduced through the fact that the outer tooth ring is arranged on the inner side of the gears, and the influence on the installation of the expansion joint is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a synchronous adjusting expansion joint according to the present utility model;
FIG. 2 is a schematic view of a portion of a synchronous adjusting expansion joint according to the present utility model;
FIG. 3 is a schematic diagram of a portion of a synchronous adjusting expansion joint according to the present utility model;
FIG. 4 is a schematic view of a connecting member structure of a synchronous adjusting expansion joint according to the present utility model;
FIG. 5 is a schematic view of a regulating assembly of a synchronous regulating expansion joint according to the present utility model;
FIG. 6 is a cross-sectional view of an adjustment assembly A-A of a synchronous adjustment expansion joint according to the present utility model.
In the figure: 1. a bellows; 2. a first flange; 3. a second flange; 301. a mounting hole; 4. a first ear plate; 401. a first through hole; 402. a chute; 5. a second ear plate; 501. a second through hole; 6. a threaded rod; 7. a fixing nut; 8. a connecting piece; 801. a thread sleeve; 802. a bearing; 803. a gear; 9. an adjustment assembly; 901. an outer toothed ring; 9011. a slide block; 902. a ring member; 903. an inner rim ring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples:
referring to fig. 1-6, an embodiment of the present utility model provides a synchronous adjusting expansion joint, the expansion joint includes a bellows 1, a first flange 2 and a second flange 3, the first flange 2 is disposed at one end of the bellows 1, the second flange 3 is disposed at the other end of the bellows 1, the bellows 1 and the first flange 2 and the second flange 3 are fixedly connected in a manner of welding, etc., three first ear plates 4 are disposed on an outer circumferential wall of the first flange 2 at equal intervals, the first ear plates 4 are welded with the first flange 2, a first through hole 401 is disposed on the first ear plates 4, three second ear plates 5 are disposed on an outer circumferential wall of the second flange 3 at equal intervals, the second ear plates 5 are welded with the second flange 3, a second through hole 501 is disposed on the second ear plates 5, a diameter of the second through hole 501 is larger than a diameter of the first through hole 401, the second through hole 501 and the first through hole 401 are concentrically disposed, a threaded rod 6 is ensured to be parallel to an axis of the bellows 1, three threaded rods 6 are disposed between the adjacent first ear plates 4 and the second ear plates 5, the threaded rod 6 is fixedly disposed at the other ends of the threaded rod 6 on the second ear plates 4 through the threaded rod 8;
As shown in fig. 1, one end of the threaded rod 6 is inserted through a second through hole 501 on the second ear plate 5, one end of the threaded rod 6 is limited and fixed by two fixing nuts 7, the two fixing nuts 7 are respectively positioned at two sides of the second flange 3, and one end of the threaded rod 6 is limited and fixed on the second ear plate 5 by the two fixing nuts 7;
In addition, as shown in fig. 3 and 4, the connecting piece 8 includes a threaded sleeve 801, a bearing 802 and a gear 803, the threaded sleeve 801 is rotatably connected in a first through hole 401 on the first ear plate 4 through the bearing 802, the threaded sleeve 801 is in threaded sleeve connection with the outer side of the threaded rod 6, one end of the threaded rod 6 passes through the threaded sleeve 801 and extends outwards, the gear 803 is fixedly sleeved on the outer wall of the top end of the threaded sleeve 801, when the space between the first flange 2 and the second flange 3 is adjusted, the threaded sleeve 801 is driven to rotate through the rotating gear 803, and the position of the threaded sleeve 801 on the threaded rod 6 can be driven to be adjusted, so that the position of the first flange 2 is correspondingly adjusted, and the space between the first flange 2 and the second flange 3 is adjusted.
It should be noted that, in order to enable all the threaded sleeves 801 to be synchronously adjusted, as shown in fig. 1, 5 and 6, in this embodiment, an adjusting component 9 for driving all the gears 803 to synchronously rotate is further provided on the first ear plate 4, the adjusting component 9 includes an outer toothed ring 901, a sliding block 9011 disposed in a ring shape is provided at the bottom end of the outer toothed ring 901, a sliding groove 402 corresponding to the sliding block 9011 is provided at the top of the first ear plate 4, the sliding block 9011 is in sliding fit with the sliding groove 402, the outer toothed ring 901 is rotationally connected to the first ear plate 4 through the sliding block 9011 and the sliding groove 402, the outer toothed ring 901 is meshed with all the gears 803, when the space between the first flange 2 and the second flange 3 is adjusted, an operator rotates the outer toothed ring 901, and can drive all the gears 803 to rotate along with the rotation of the outer toothed ring 901, thereby realizing synchronous adjustment of the positions 801 of all the threaded sleeves, facilitating the operation of the operator, improving convenience, and compared with the prior art, the volume of the adjusting component 9 is greatly reduced by placing the outer toothed ring 901 on the inner side of the gears 803, and avoiding the influence on the installation of the expansion joint.
As shown in fig. 5 and 6, the adjusting component 9 further includes a ring member 902 disposed at the top of the outer ring 901, the ring member 902 and the outer ring 901 are integrally formed, the inner diameter of the ring member 902 is the same as the inner diameter of the outer ring 901, the outer diameter of the ring member 902 is larger than the outer diameter of the outer ring 901, the ring member 902 is convenient for an operator to rotate, so that the outer ring 901 is prevented from having more teeth to affect the rotation of the operator, and in this embodiment, anti-skid grains are disposed on the surface of the ring member 902 to increase the friction between the hands of the operator and the ring member 902, and the convenience of the rotation operation of the ring member 902 and the outer ring 901 is further improved.
In addition, as shown in fig. 5 and 6, the adjusting component 9 further includes an inner edge ring 903 disposed at the bottom end of the inner ring of the outer ring 901, the inner edge ring 903 and the outer ring 901 are integrally formed, the inner edge ring 903 is pressed onto the first ear plate 4 by a detachable bolt, when the outer ring 901 rotates, the detachable bolt is removed, rotation of the outer ring 901 is not affected, after the outer ring 901 is adjusted, the detachable bolt is screwed, a nut of the detachable bolt is pressed onto the inner edge ring 903, and the position of the inner edge ring 903 is fixed, so that the outer ring 901 is locked and fixed in a non-use state, and accidental rotation of the outer ring 901 is avoided, and the distance between the first flange 2 and the second flange 3 adjusted by the expansion joint is affected.
As shown in fig. 1, the first flange 2 and the second flange 3 are provided with mounting holes 301, and the first flange 2 and the second flange 3 are connected through the mounting holes 301.
The implementation principle of the synchronous regulation type expansion joint provided by the embodiment of the application is as follows: this expansion joint is when adjusting first flange 2 and second flange 3 interval, operating personnel rotates ring 902, ring 902 drives outer ring gear 901 and rotates, make outer ring gear 901 rotate through slider 9011 and spout 402 that set up and connect on first otic placode 4, when outer ring gear 901 rotates, drive the gear 803 rotation of all meshing, drive thread bush 801 through pivoted gear 803 and rotate, can drive the position adjustment of thread bush 801 on threaded rod 6, thereby realize the synchronous adjustment of all thread bush 801 positions, the position of corresponding regulation first flange 2, and then adjust the interval of first flange 2 and second flange 3, the operating personnel operation of being convenient for, improve the convenience, and compared with prior art, arrange the inboard of gear 803 through outer ring gear 901, reduce the volume of adjusting part 9 greatly, avoid causing the influence to the installation of this expansion joint.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a synchronous regulation formula expansion joint, includes bellows (1), first flange (2) and second flange (3), bellows (1) one end is located to first flange (2), the bellows (1) other end is located to second flange (3), equidistant three first otic placode (4) that are provided with on the outer circumference wall of first flange (2), first through-hole (401) have been seted up on first otic placode (4), equidistant three second otic placode (5) that are provided with on the outer circumference wall of second flange (3), second through-hole (501) have been seted up on second otic placode (5), close be provided with threaded rod (6) between first otic placode (4) and second otic placode (5), its characterized in that: one end of the threaded rod (6) is fixed on the second ear plate (5), and the other end of the threaded rod (6) is connected to the first ear plate (4) through a connecting piece (8);
The connecting piece (8) comprises a thread sleeve (801), a bearing (802) and a gear (803), wherein the thread sleeve (801) is rotationally connected in a first through hole (401) on a first lug plate (4) through the bearing (802), the thread sleeve (801) is in threaded sleeve connection with the outer side of a threaded rod (6), and the gear (803) is fixedly sleeved on the outer wall of the top end of the thread sleeve (801);
The adjusting assembly (9) for driving all gears (803) to synchronously rotate is further arranged on the first lug plate (4), the adjusting assembly (9) comprises an outer toothed ring (901), the outer toothed ring (901) is rotationally connected to the first lug plate (4), and the outer toothed ring (901) is meshed with all gears (803).
2. A synchronous regulation type expansion joint according to claim 1, wherein: the adjusting assembly (9) further comprises a ring piece (902) arranged at the top of the outer gear ring (901), the inner diameter of the ring piece (902) is the same as the inner diameter of the outer gear ring (901), and the outer diameter of the ring piece (902) is larger than the outer diameter of the outer gear ring (901).
3. A synchronous regulation type expansion joint according to claim 2, wherein: the adjusting component (9) further comprises an inner edge ring (903) arranged at the bottom end of the inner ring of the outer toothed ring (901), and the inner edge ring (903) is pressed on the first lug plate (4) through a detachable bolt.
4. A synchronous regulation type expansion joint according to claim 1, wherein: the bottom of the outer tooth ring (901) is provided with a sliding block (9011) which is annularly arranged, the top of the first lug plate (4) is provided with a sliding groove (402) corresponding to the sliding block (9011), and the sliding block (9011) is in sliding fit with the sliding groove (402).
5. A synchronous regulation type expansion joint according to claim 1, wherein: one end of the threaded rod (6) penetrates through a second through hole (501) in the second lug plate (5), one end of the threaded rod (6) is limited and fixed through two fixing nuts (7), and the two fixing nuts (7) are respectively located on two sides of the second flange (3).
6. A synchronous regulation type expansion joint according to claim 1, wherein: and mounting holes (301) are formed in the first flange (2) and the second flange (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322534169.2U CN220851226U (en) | 2023-09-18 | 2023-09-18 | Synchronous regulation type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322534169.2U CN220851226U (en) | 2023-09-18 | 2023-09-18 | Synchronous regulation type expansion joint |
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| Publication Number | Publication Date |
|---|---|
| CN220851226U true CN220851226U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322534169.2U Active CN220851226U (en) | 2023-09-18 | 2023-09-18 | Synchronous regulation type expansion joint |
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| CN (1) | CN220851226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118361608A (en) * | 2024-06-05 | 2024-07-19 | 江苏同方机械制造有限公司 | Combined assembly type pulverized coal pipeline compensation device |
-
2023
- 2023-09-18 CN CN202322534169.2U patent/CN220851226U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118361608A (en) * | 2024-06-05 | 2024-07-19 | 江苏同方机械制造有限公司 | Combined assembly type pulverized coal pipeline compensation device |
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