CN212080492U - Expansion joint and expansion joint - Google Patents
Expansion joint and expansion joint Download PDFInfo
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- CN212080492U CN212080492U CN202020531849.2U CN202020531849U CN212080492U CN 212080492 U CN212080492 U CN 212080492U CN 202020531849 U CN202020531849 U CN 202020531849U CN 212080492 U CN212080492 U CN 212080492U
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- telescopic joint
- flange
- flange plate
- slide
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Abstract
The utility model relates to a water and electricity engineering field discloses an expansion joint connects and expansion joint. The telescopic joint comprises a flange plate, a central through hole arranged on the flange plate and at least two slide ways distributed along the radial line direction of the flange plate, wherein the slide ways are rotationally symmetrical by taking the axis of the flange plate as the center; the slide way is internally provided with a slide block which can slide along the radial line direction of the flange plate, and the slide block is provided with a screw rod of which the axis is parallel to that of the flange plate. The telescopic joint comprises an outer sleeve, an inner sleeve and a telescopic joint connector, the telescopic joint connector is arranged at the tail ends of the outer sleeve and the inner sleeve, and the telescopic joint connector is used for connecting the telescopic joint and a pipeline. Through above-mentioned technical scheme, can be based on the slider along in the slide the ring flange footpath line direction removes, in the circumferencial direction of ring flange, the line between the screw rod can constitute the circle of different diameters size to can adapt to the pipeline of different diameters sizes, make the resource can obtain make full use of.
Description
Technical Field
The utility model relates to a water and electricity engineering field specifically relates to an expansion joint connects and expansion joint.
Background
The expansion joint may also be referred to as a pipe expansion joint, an expansion joint, a compensator, an expansion joint, etc. It is suitable for hydraulic engineering, hydraulic pressure steel pipe and city tap water pipeline. The pipe expansion and contraction change caused by temperature difference change of pipelines such as high-water-head high-pressure and long-distance water delivery, power generation and water diversion can be solved, and the collapse of the anchor pier concrete and the like caused by the expansion and contraction change of the steel pipe is prevented.
In the prior art, generally speaking, a telescopic joint can only be adapted to a pipeline with a specific diameter or a specific section shape, that is, for pipelines with different diameters or different section shapes, telescopic joints with different types are required to be adapted to the pipeline. This is not favorable for the rational utilization of resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can different diameters of adaptation big or small pipeline's telescopic joint connect and telescopic joint.
In order to achieve the above object, a first aspect of the present invention provides an expansion joint connector, which includes a flange, a central through hole disposed on the flange, and at least two slideways distributed along a radial line direction of the flange, wherein the slideways are rotationally symmetric about an axis of the flange; the slide way is internally provided with a slide block which can slide along the radial line direction of the flange plate, and the slide block is provided with a screw rod of which the axis is parallel to that of the flange plate.
Through the technical scheme, the sliding blocks can move in the slide ways along the radial line direction of the flange plate, and connecting lines among the screw rods can form circles with different diameters in the circumferential direction of the flange plate, so that the sliding blocks can be adapted to pipelines with different diameters.
Furthermore, the side wall of the slide way is provided with a sliding groove distributed along the radial line direction of the flange plate, and the sliding groove is used for allowing the sliding block to slide back and forth along the radial direction of the flange plate and limiting the sliding block to move along the axial direction of the flange plate.
Further, the length of the sliding groove is equal to that of the sliding way.
Further, the slider includes a projection disposed on opposite sides thereof, the projection being located within and slidably connected with the chute.
Further, the slide way comprises a groove arranged on one side end face of the flange plate.
Further, the slide way is arranged to penetrate through the strip-shaped through hole of the flange plate along the axis of the flange plate.
Further, the number of the slide ways is four.
Further, the telescopic joint also comprises a nut matched with the screw rod.
On the other hand, the utility model provides an expansion joint, expansion joint includes outer tube, interior sleeve pipe and foretell expansion joint and connects, the outer tube with interior sheathed tube end is all installed the expansion joint connects, the expansion joint connects and is used for connecting expansion joint and pipeline.
Through the technical scheme, the sliding blocks can move in the slide ways along the radial line direction of the flange plate, and connecting lines among the screw rods can form circles with different diameters in the circumferential direction of the flange plate. Therefore, the expansion joint provided with the joint can be adapted to pipelines with different diameters, so that resources can be fully utilized.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the expansion joint of the present invention;
FIG. 2 is a schematic structural view of one embodiment of a flange;
FIG. 3 is a schematic structural view of one embodiment of the assembled relationship of a screw and a slide;
FIG. 4 is a schematic view of another angle of the flange;
FIG. 5 is a cross-sectional view A-A of one embodiment of FIG. 4;
FIG. 6 is a cross-sectional view A-A of the alternate embodiment of FIG. 4;
FIG. 7 is a schematic structural view of another embodiment of the assembled relationship of a screw and a slide;
fig. 8 is a schematic structural diagram of an embodiment of the telescopic joint of the present invention.
Description of the reference numerals
10 flange 11 central through hole
12 slideway 13 slide block
14 screw 15 chute
16 projection 17 nut
20 inner sleeve 30 outer sleeve
Detailed Description
The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
The utility model discloses an aspect provides a telescopic joint connects, as shown in fig. 1-4, the telescopic joint connects including ring flange 10, set up central through-hole 11 on the ring flange 10 and at least two slides 12 that distribute along the radial line direction of ring flange 10, slide 12 uses the axis of ring flange 10 as the central rotational symmetry; a slide block 13 capable of sliding along the radial line direction of the flange plate 10 is arranged in the slide way 12, and a screw 14 with an axis parallel to the axis of the flange plate 10 is arranged on the slide block 13.
With the above-described configuration, the slide block 13 can move in the slide rail 12 along the radial line of the flange 10, and the connection line between the screws 14 can form circles of different diameters in the circumferential direction of the flange 10. Therefore, the expansion joint can be adapted to pipelines with different diameters, so that resources can be fully utilized.
In order to limit the movement of the slide 13 in the axial direction of the flange 10, slide grooves 15 are provided on the side walls of the slide 12, which are distributed along the radial direction of the flange 10. The function of the chute 15 is: the sliding block 13 can slide back and forth along the radial direction of the flange plate 10, and the sliding block 13 is limited to move along the axial direction of the flange plate 10. In order to expand the sliding range of the slider 13 as much as possible, it is preferable that the length of the slide groove 15 is set to be equal to the length of the slide 12.
The slider 13 comprises projections 16 arranged on opposite sides thereof and adapted to the slide grooves 15. The projection 16 is installed in the sliding groove 15, and through the cooperation between the projection 16 and the sliding groove 15, the sliding block 13 can slide along the meridian direction of the flange plate 10, and meanwhile, based on the arrangement of the projection 16, the sliding block 13 can be limited to move along the axis direction of the flange plate 10.
Two specific structural embodiments of the ramp 12 are provided below:
the first embodiment is as follows: as shown in fig. 5, the slideway 12 is provided as a groove. The groove is arranged on one side end face of the flange plate 10.
If the slide way 12 is provided as a groove, the screw 14 is only provided at one end of the slider 13 (as shown in fig. 3).
The second embodiment is as follows: as shown in fig. 6, the slide 12 is provided as a through hole extending through the flange 10 along the axis of the flange 10.
If the slideway 12 is provided with a strip-shaped through hole, the screw 14 can be arranged in the same way as the screw 14 in the first embodiment. Of course, it can be adjusted properly, as shown in fig. 7, the screw rods 14 are disposed at both ends of the sliding block 13, or only one screw rod 14 is disposed, and the screw rod 14 penetrates through the sliding block 13.
In order to enable the telescopic joint to be adapted not only to pipes with a circular cross-section, but also to pipes with an interface of different shape, for example oval, prismatic, square, etc., the slides 12 are arranged in four. Of course, the slide 12 is more numerous if it is to be considered for sealing and security. In actual use, all the slideways 12 are not necessarily used, and for example, it is assumed that the slideways 12 are arranged in ten and ten of the slideways 12 are rotationally symmetrical around the axis of the flange plate 10, but in actual use, only four of the slideways 12 may be used.
Further, the telescopic joint further comprises a nut 17 matched with the screw 14.
On the other hand, the utility model provides an expansion joint, expansion joint includes outer tube 30, interior sleeve pipe 20 and foretell expansion joint connects, outer tube 30 with interior sleeve pipe 20's end is all installed expansion joint connects, expansion joint connects and is used for connecting expansion joint and pipeline.
With the above-described configuration, the slide block 13 can move in the slide rail 12 along the radial line of the flange 10, and the connection line between the screws 14 in the circumferential direction can form circles of different diameters. Therefore, the expansion joint provided with the joint can be adapted to pipelines with different diameters, so that resources can be fully utilized.
The following brief description the utility model discloses telescopic joint connects and telescopic joint's theory of operation:
when the pipe joint is used, as shown in fig. 8, the expansion joint is installed on the expansion joint (or integrally formed with the expansion joint in the production process), the sliding block 12 is adjusted according to the threaded hole of the flange on the pipe, so that the screw 14 is aligned with the threaded hole of the flange on the pipe and the screw 14 is inserted into the threaded hole, and then the fixed pipe is fixed on the expansion joint through the nut 17. When the telescopic joint is required to be provided with pipelines with different diameters or different section shapes, the sliding block 12 is only required to be adjusted, so that the screw 14 is aligned with the threaded hole of the flange on the pipeline.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (9)
1. The telescopic joint is characterized by comprising a flange plate (10), a central through hole (11) arranged on the flange plate (10) and at least two slide ways (12) distributed along the radial line direction of the flange plate (10), wherein the slide ways (12) are rotationally symmetrical by taking the axis of the flange plate (10) as the center; the slide way (12) is internally provided with a slide block (13) capable of sliding along the radial line direction of the flange plate (10), and the slide block (13) is provided with a screw rod (14) with the axis parallel to the axis of the flange plate (10).
2. The telescopic joint according to claim 1, wherein the side wall of the slideway (12) is provided with a sliding groove (15) distributed along the radial line direction of the flange (10), and the sliding groove (15) is used for enabling the sliding block (13) to slide back and forth along the radial direction of the flange (10) and limiting the axial movement of the sliding block (13) along the flange (10).
3. A telescopic joint according to claim 2, characterized in that the length of the runner (15) is equal to the length of the slideway (12).
4. The telescopic joint according to claim 2, wherein the slider (13) comprises lugs (16) arranged on opposite sides thereof, the lugs (16) being located inside the runner (15) and being in sliding connection with the runner (15).
5. A telescopic joint according to claim 2, characterized in that the slideway (12) comprises a groove provided in one end face of the flange (10).
6. A telescopic joint according to claim 2, characterized in that the slideway (12) is provided as a strip-shaped through-hole extending through the flange (10) along the axis of the flange (10).
7. A telescopic joint according to claim 1, characterized in that the slides (12) are provided in four.
8. The telescopic joint according to claim 1, further comprising a nut (17) adapted to the screw (14).
9. A telescopic joint, characterized in that, the telescopic joint includes outer tube (30), inner tube (20) and the telescopic joint of any claim 1-8, the telescopic joint is installed at the end of outer tube (30) and the inner tube (20), the telescopic joint is used to connect the telescopic joint and the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531849.2U CN212080492U (en) | 2020-04-13 | 2020-04-13 | Expansion joint and expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531849.2U CN212080492U (en) | 2020-04-13 | 2020-04-13 | Expansion joint and expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212080492U true CN212080492U (en) | 2020-12-04 |
Family
ID=73594305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020531849.2U Active CN212080492U (en) | 2020-04-13 | 2020-04-13 | Expansion joint and expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212080492U (en) |
-
2020
- 2020-04-13 CN CN202020531849.2U patent/CN212080492U/en active Active
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