CN202884353U - Both-way compensating tube - Google Patents
Both-way compensating tube Download PDFInfo
- Publication number
- CN202884353U CN202884353U CN 201220523289 CN201220523289U CN202884353U CN 202884353 U CN202884353 U CN 202884353U CN 201220523289 CN201220523289 CN 201220523289 CN 201220523289 U CN201220523289 U CN 201220523289U CN 202884353 U CN202884353 U CN 202884353U
- Authority
- CN
- China
- Prior art keywords
- guide shell
- tube
- small
- fixed end
- heavy caliber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a both-way compensating tube which is provided with an extension tube. The extension tube is provided with a corrugated tube, a left connection tube and a right connection tube, and the left end and the right end of the corrugated tube are in sealing connection with the left connection tube and the right connection tube respectively. A ring of lining rings is respectively arranged at the connection position of the corrugated tube and the left connection tube and the connection position of the corrugated tube and the right connection tube. A big-diameter guide cylinder and a small-diameter guide cylinder are slidingly arranged inside the extension tube. The big-diameter guide cylinder is slidingly sleeved outside the small-diameter guide cylinder, the big-diameter guide cylinder is provided with a fixing end and a non-fixing end, and a port of the fixing end of the big-diameter guide cylinder is fixedly connected with an inner wall of the lower connection tube of the extension tube. The small-diameter guide cylinder is provided with a fixing end and a non-fixing end, and a port of the fixing end of the small-diameter guide cylinder is fixedly connected with an inner wall of the upper connection tube of the extension tube. The both-way compensating tube is simple in structure, not easy to deform due to heat and durable due to the fact that the both-way compensating tube is made of stainless steel.
Description
Technical field
The utility model relates to a kind of expansion pipe, particularly a kind of bidirectional compensating pipe.
Background technique
As everyone knows, expansion pipe is equivalent to a kind of compensating element, uses bellows to be because of easily bending of bellows, to elongate and compression at expansion pipe, thereby the displacement pipeline is played compensating action.Because bellows has numerous folds, shelters evil people and countenance evil practices easily, thereby causes various hygienic issues.Moreover because the rigidity of bellows is inadequate, expansion pipe deforms easily.Although the bellows that adopts rock-steady structure is arranged at present, these rock-steady structures are all relatively complicated, and affect the attractive in appearance of expansion pipe.
Expansion pipe generally all is only to have one-way expansion at present, and Applicable scope is not very extensive.And bellows is easy to temperature distortion.
The model utility content
The purpose of this utility model provides a kind of simple in structure, bidirectional compensating pipe of being difficult for temperature distortion.
The technological scheme that realizes the utility model purpose is: the utlity model has telescopic pipe; Described telescopic pipe has bellows, left adapter and right adapter, the two ends, the left and right sides of bellows respectively with left adapter be connected that adapter is airtight to be connected; The joint of described bellows and left adapter and right adapter respectively is provided with a circle lining ring; The slides within of described telescopic pipe is provided with a heavy caliber guide shell and a small-bore guide shell; The be slidingly located in outside of small-bore guide shell of described heavy caliber guide shell; Described heavy caliber guide shell has fixed end and on-fixed end, and the inwall of the left adapter on the port of the fixed end of heavy caliber guide shell and the telescopic pipe is fixedly connected with; Described small-bore guide shell has fixed end and on-fixed end, and the inwall of the right adapter on the port of the fixed end of small-bore guide shell and the telescopic pipe is fixedly connected with.
Be provided with heat-resistant material between above-mentioned telescopic pipe and heavy caliber guide shell and the small-bore guide shell.
The port of the fixed end of above-mentioned heavy caliber guide shell is horn mouth; The port of the fixed end of described small-bore guide shell is horn mouth.
Above-mentioned heat-resistant material is fiber.
Above-mentioned telescopic pipe, heavy caliber honeycomb duct and small-bore guide shell all are stainless steels.
The utlity model has positive effect: (1) the utility model adopts two guide shells, thereby has bi-directional expansion; (2) the utility model is simple in structure, uses extensively; (3) the utility model is difficult for temperature distortion, and has good antiseptic property, and is durable.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and the below is described in further detail the utility model, wherein according to specific embodiment also by reference to the accompanying drawings
Fig. 1 is structural representation of the present utility model;
Embodiment
See Fig. 1, the utlity model has telescopic pipe 1; Described telescopic pipe 1 has bellows 11, left adapter 12 and right adapter 13, the two ends, the left and right sides of bellows 11 respectively with left adapter 12 be connected 13 airtight connections of adapter; The joint of described bellows 11 and left adapter 12 and right adapter 13 respectively is provided with a circle lining ring 3; The slides within of described telescopic pipe 1 is provided with a heavy caliber guide shell 21 and a small-bore guide shell 22; The be slidingly located in outside of small-bore guide shell 22 of described heavy caliber guide shell 21; Described heavy caliber guide shell 21 has fixed end and on-fixed end, and the inwall of the left adapter 12 on the port of the fixed end of heavy caliber guide shell 21 and the telescopic pipe 1 is fixedly connected with; Described small-bore guide shell 22 has fixed end and on-fixed end, and the inwall of the right adapter 13 on the port of the fixed end of small-bore guide shell 22 and the telescopic pipe 1 is fixedly connected with; The port of the fixed end of described heavy caliber guide shell 21 is horn mouth; The port of the fixed end of described small-bore guide shell 22 is horn mouth; Be provided with heat-resistant material 4 between described telescopic pipe 1 and heavy caliber guide shell 21 and the small-bore guide shell 22; Described heat-resistant material 4 is fiber; Described telescopic pipe 1, heavy caliber honeycomb duct 21 and small-bore guide shell 22 all are stainless steels.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a bidirectional compensating pipe has telescopic pipe (1); It is characterized in that: described telescopic pipe (1) has bellows (11), left adapter (12) and right adapter (13), the two ends, the left and right sides of bellows (11) respectively with left adapter (12) be connected airtight connection of adapter (13); The joint of described bellows (11) and left adapter (12) and right adapter (13) respectively is provided with a circle lining ring (3); The slides within of described telescopic pipe (1) is provided with a heavy caliber guide shell (21) and a small-bore guide shell (22); The be slidingly located in outside of small-bore guide shell (22) of described heavy caliber guide shell (21); Described heavy caliber guide shell (21) has fixed end and on-fixed end, and the inwall of the left adapter (12) on the port of the fixed end of heavy caliber guide shell (21) and the telescopic pipe (1) is fixedly connected with; Described small-bore guide shell (22) has fixed end and on-fixed end, and the inwall of the right adapter (13) on the port of the fixed end of small-bore guide shell (22) and the telescopic pipe (1) is fixedly connected with.
2. bidirectional compensating pipe according to claim 1 is characterized in that: be provided with heat-resistant material (4) between described telescopic pipe (1) and heavy caliber guide shell (21) and the small-bore guide shell (22).
3. bidirectional compensating pipe according to claim 2, it is characterized in that: the port of the fixed end of described heavy caliber guide shell (21) is horn mouth; The port of the fixed end of described small-bore guide shell (22) is horn mouth.
4. bidirectional compensating pipe according to claim 3, it is characterized in that: described heat-resistant material (4) is fiber.
5. bidirectional compensating pipe according to claim 4, it is characterized in that: described telescopic pipe (1), heavy caliber honeycomb duct (21) and small-bore guide shell (22) all are stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523289 CN202884353U (en) | 2012-10-12 | 2012-10-12 | Both-way compensating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523289 CN202884353U (en) | 2012-10-12 | 2012-10-12 | Both-way compensating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884353U true CN202884353U (en) | 2013-04-17 |
Family
ID=48075782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220523289 Expired - Lifetime CN202884353U (en) | 2012-10-12 | 2012-10-12 | Both-way compensating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061913A (en) * | 2017-01-11 | 2017-08-18 | 南京晨光东螺波纹管有限公司 | A kind of metal corrugated pipe expansion joint for being easy to check internal injury |
-
2012
- 2012-10-12 CN CN 201220523289 patent/CN202884353U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061913A (en) * | 2017-01-11 | 2017-08-18 | 南京晨光东螺波纹管有限公司 | A kind of metal corrugated pipe expansion joint for being easy to check internal injury |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |