CN212804707U - Anti-pressure expansion piece - Google Patents
Anti-pressure expansion piece Download PDFInfo
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- CN212804707U CN212804707U CN202021786944.3U CN202021786944U CN212804707U CN 212804707 U CN212804707 U CN 212804707U CN 202021786944 U CN202021786944 U CN 202021786944U CN 212804707 U CN212804707 U CN 212804707U
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- pipeline
- flange
- adjusting screw
- rotate
- cover
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Abstract
The utility model discloses a telescopic device of compressive strength, including first pipeline and the second pipeline that cup joints each other, loose flange has been cup jointed to first pipeline one end, the equidimension mounting flange of second pipeline one end fixedly connected with, the fixed block that two symmetries of first pipeline exterior wall fixedly connected with set up, rotate on the fixed block and install the rotation cover, two rotate the cover outside and be connected with the swivel becket through the latch meshing, it is connected with adjusting screw to close soon through the screw in the rotation cover. The utility model discloses in, through the rotation of swivel becket, according to the meshing transmission principle of latch, the drive rotates the cover and rotates for it removes adjusting screw to rotate the cover relatively, and then drives first pipeline horizontal migration in the second pipeline, realizes the flexible regulation between first pipeline and the second pipeline, simple structure, convenient operation, and the adjusting distance receives adjusting screw length control, can select suitable adjusting screw according to the in-service use demand.
Description
Technical Field
The utility model relates to an expansion bend technical field especially relates to an expansion bend of compressive strength.
Background
The expansion piece is also called an expansion joint, a compensator and an expansion joint, and is divided into a steel expansion piece, a rubber expansion piece and a stainless steel expansion piece according to the materials, wherein the expansion piece can axially expand and contract within a certain range, so that the valve pipeline can be greatly convenient to mount and dismount, the expansion piece can freely expand and contract within the allowable expansion amount of the pipeline, and once the maximum expansion amount is crossed, the limit is realized, the safe operation of the pipeline is ensured, and the safe operation of the pipeline is mainly ensured.
Wherein, the ability that the pressure that produces when steel expansion bend resists the fluid flow in the pipeline is stronger, is the expansion bend of a compressive strength, however, the flexible binding clasp that uses generally all adopts right angle clamp formula working method in the steel expansion bend, and the manual flexible binding clasp of right angle formula can not satisfy valve conduit's installation requirement, is not convenient for carry out free flexible in valve conduit's front and back straight tube section, and flexible distance is shorter, consequently, lacks the expansion bend of a compressive strength that can freely stretch out and draw back.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, a pressure-resistant expansion device is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a telescopic device of compressive strength, is including the first pipeline and the second pipeline that cup joint each other, loose flange has been cup jointed to first pipeline one end, the same size mounting flange of second pipeline one end fixedly connected with, the fixed block that two symmetries of first pipeline exterior wall fixedly connected with set up, rotate on the fixed block and install the rotation cover, two rotate the cover outside and be connected with the swivel becket through the latch meshing, it is connected with adjusting screw to close soon through the screw thread in the rotation cover, adjusting screw's free end and loose flange fixed connection.
As a further description of the above technical solution:
the movable flange is characterized in that guide blocks are fixedly connected to the symmetrical positions of the inner surface wall of the movable flange, and a guide groove for accommodating the guide blocks is formed in the outer surface wall of the first pipeline in the axial direction.
As a further description of the above technical solution:
the movable flange and the fixed flange are sleeved with a connecting plate with an L-shaped vertical section in a semi-surrounding mode, and the horizontal end of the connecting plate is connected with the movable flange in a threaded screwing mode through a connecting bolt.
As a further description of the above technical solution:
the end faces of the movable flange and the fixed flange are mutually abutted.
As a further description of the above technical solution:
and the inner surface wall of the vertical end of the connecting plate is abutted against the end surface of the fixed flange.
As a further description of the above technical solution:
the first pipeline is inserted into the second pipeline and is in sealing connection with the second pipeline through a sealing ring.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the rotation of swivel becket, according to the meshing transmission principle of latch, the drive rotates the cover and rotates, and then according to the screw thread transmission principle for rotate the relative adjusting screw rod of cover and remove, and then drive first pipeline horizontal migration in the second pipeline, realize the flexible regulation between first pipeline and the second pipeline, simple structure, convenient operation, and the adjusting distance receives adjusting screw length control, can select suitable adjusting screw according to the in-service use demand.
2. The utility model discloses in, through connecting bolt and connecting plate, couple together loose flange and mounting flange to realize the connection purpose of first pipeline and second pipeline, easy dismounting is convenient for overhaul the inside problem of expansion bend.
Drawings
Fig. 1 is a schematic diagram illustrating an internal structure of a pressure-resistant expansion joint according to an embodiment of the present invention;
fig. 2 is a schematic side view at a-a of a compression-resistant expansion joint according to an embodiment of the present invention;
fig. 3 shows a schematic side view at B-B of a pressure-resistant expansion joint according to an embodiment of the present invention.
Illustration of the drawings:
1. a first conduit; 101. a guide groove; 2. a second conduit; 3. a rotating ring; 4. a fixed block; 5. rotating the sleeve; 6. adjusting the screw rod; 7. a movable flange; 701. a guide block; 8. a connecting bolt; 9. a fixed flange; 10. a connecting plate; 11. and (5) sealing rings.
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. 1-3, the present invention provides a technical solution: a pressure-resistant expansion piece comprises a first pipeline 1 and a second pipeline 2 which are mutually sleeved, wherein one end of the first pipeline 1 is sleeved with a movable flange 7, one end of the second pipeline 2 is fixedly connected with a fixed flange 9 with the same size, the outer wall of the first pipeline 1 is fixedly connected with two fixed blocks 4 which are symmetrically arranged, the fixed blocks 4 are rotatably provided with rotating sleeves 5, the outer wall of each rotating sleeve 5 is equiangularly distributed with a plurality of teeth, the outer sides of the two rotating sleeves 5 are connected with a rotating ring 3 through latch meshing, the inner wall of each rotating ring 3 is equiangularly distributed with a plurality of tooth sockets, the teeth are accommodated in the tooth sockets to limit the movement of the rotating ring 3 so as not to be separated from the first pipeline 1, an adjusting screw rod 6 is rotatably connected in the rotating sleeve 5 through screw threads, the free end of the adjusting screw rod 6 is fixedly connected with the movable flange 7, and according to the meshing transmission principle of the latch through the rotation of the, the drive rotates cover 5 and rotates, and then according to the screw thread transmission principle for rotating cover 5 and moving relative adjusting screw 6, guide block 701 removes in guide way 101, and then drives first pipeline 1 horizontal migration in second pipeline 2, realizes the regulation of the flexible distance between first pipeline 1 and the second pipeline 2.
Specifically, as shown in fig. 1 and 3, the guide blocks 701 are fixedly connected to the symmetrical positions of the inner surface wall of the movable flange 7, and the outer surface wall of the first pipeline 1 has the guide grooves 101 for accommodating the guide blocks 701 in the axial direction, so that on one hand, the adjusting screw 6 is limited to synchronously rotate along with the rotating sleeve 5 to realize the relative movement of the rotating sleeve 5 on the adjusting screw 6, and on the other hand, when the telescopic distance of the telescopic device is adjusted, the first pipeline 1 moves more stably in the second pipeline 2.
Specifically, as shown in fig. 1 and fig. 3, movable flange 7 and fixed flange 9 outside partly surround and cup joint the connecting plate 10 that the vertical section is L shape, close the connection soon through connecting bolt 8 screw thread between the horizontal end of connecting plate 10 and the movable flange 7, through connecting bolt 8 and connecting plate 10, make first pipeline 1 and second pipeline 2 connect, and easy dismounting, the inside problem of the expansion bend of being convenient for overhauls, movable flange 7 and fixed flange 9's the mutual butt of terminal surface, the interior table wall of the vertical end of connecting plate 10 and fixed flange 9's terminal surface butt, improve connection stability.
Specifically, as shown in fig. 1, the first pipeline 1 is inserted into the second pipeline 2 and is connected with the second pipeline 2 in a sealing manner through the sealing ring 11, so that the sealing performance of the communication position of the first pipeline 1 and the second pipeline 2 is improved, and the problem of fluid leakage when the telescopic distance between the first pipeline 1 and the second pipeline 2 is increased is solved.
The working principle is as follows: when the adjusting device is used, the rotating sleeve 5 is driven to rotate through the rotation of the rotating ring 3 according to the meshing transmission principle of the latch, the rotating sleeve 5 is driven to move relative to the adjusting screw 6 according to the thread transmission principle, the guide block 701 moves in the guide groove 101, and then the first pipeline 1 is driven to horizontally move in the second pipeline 2, so that the adjustment of the telescopic distance between the first pipeline 1 and the second pipeline 2 is realized, the structure is simple, the operation is convenient, the adjusting distance is controlled by the length of the adjusting screw 6, and the proper adjusting screw 6 can be selected according to the actual use requirement, wherein when the rotating sleeve 5 rotates forwards, the first pipeline 1 moves close to the second pipeline 2, the telescopic distance is increased, and otherwise, the telescopic distance is decreased;
wherein, through connecting bolt 8 and connecting plate 10, be convenient for the dismouting of first pipeline 1 and second pipeline 2 to be convenient for overhaul the inside problem of expansion bend.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a telescopic device of compressive strength, includes first pipeline (1) and second pipeline (2) that cup joint each other, its characterized in that, movable flange (7) have been cup jointed to first pipeline (1) one end, second pipeline (2) one end fixedly connected with is with unidimensional mounting flange (9), fixed block (4) that two symmetries of first pipeline (1) exterior wall fixedly connected with set up, rotate on fixed block (4) and install and rotate cover (5), two it is connected with swivel becket (3) to rotate cover (5) outside through the latch meshing, it is connected with adjusting screw (6) to close soon through the screw thread in the cover (5) to rotate, the free end and the movable flange (7) fixed connection of adjusting screw (6).
2. A pressure resistant expansion joint according to claim 1, characterized in that guide blocks (701) are fixedly connected to the inner surface wall of said movable flange (7) at symmetrical positions, and the outer surface wall of said first conduit (1) has guide grooves (101) for receiving the guide blocks (701) in the axial direction.
3. A pressure-resistant expansion joint according to claim 1, characterized in that the movable flange (7) and the fixed flange (9) are sleeved with a connecting plate (10) with an L-shaped vertical section in a semi-surrounding manner, and the horizontal end of the connecting plate (10) is screwed with the movable flange (7) through a connecting bolt (8).
4. A pressure resistant expansion joint according to claim 1, characterized in that the end faces of the movable flange (7) and the fixed flange (9) abut against each other.
5. A pressure resistant expansion joint according to claim 3, characterized in that the inner surface wall of the vertical end of the connection plate (10) abuts the end surface of the fixing flange (9).
6. A pressure resistant expansion joint according to claim 1, characterized in that said first conduit (1) is inserted into said second conduit (2) and is sealingly connected thereto by means of a sealing ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021786944.3U CN212804707U (en) | 2020-08-24 | 2020-08-24 | Anti-pressure expansion piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021786944.3U CN212804707U (en) | 2020-08-24 | 2020-08-24 | Anti-pressure expansion piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804707U true CN212804707U (en) | 2021-03-26 |
Family
ID=75083418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021786944.3U Expired - Fee Related CN212804707U (en) | 2020-08-24 | 2020-08-24 | Anti-pressure expansion piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212804707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476715A (en) * | 2021-07-02 | 2021-10-08 | 吉林大学 | Urethral catheterization device for pediatric surgery |
-
2020
- 2020-08-24 CN CN202021786944.3U patent/CN212804707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476715A (en) * | 2021-07-02 | 2021-10-08 | 吉林大学 | Urethral catheterization device for pediatric surgery |
| CN113476715B (en) * | 2021-07-02 | 2022-08-02 | 吉林大学 | Urethral catheterization device for pediatric surgery |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |