CN202048624U - Pressure difference bypass apparatus - Google Patents
Pressure difference bypass apparatus Download PDFInfo
- Publication number
- CN202048624U CN202048624U CN2011201399970U CN201120139997U CN202048624U CN 202048624 U CN202048624 U CN 202048624U CN 2011201399970 U CN2011201399970 U CN 2011201399970U CN 201120139997 U CN201120139997 U CN 201120139997U CN 202048624 U CN202048624 U CN 202048624U
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- China
- Prior art keywords
- pipe fitting
- bypass valve
- differential
- pressure bypass
- pressure
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Abstract
The utility model discloses a pressure difference bypass apparatus, which comprises a pipe (1); one end of the pipe (1) is provided with a pressure difference bypass valve (2) in communication with a liquid feeding pipe, the other end is in communication with a liquid returning pipe (12); one end of the pipe (1) is inserted into the output end of the pressure difference by-pass valve (2); the pipe is detachably connected with the pressure difference bypass valve (2) by a clamping sleeve type pipe joint. When the clamping sleeve type pipe joint is screwed tight, the pipe is in sealed connection with the pressure difference bypass valve (2); When the clamping sleeve type pipe joint is screwed loose, the length that the pipe (1) is inserted into the pressure difference by-pass valve (2) can be adjusted. The apparatus solves the technical problem that the size of the pipe of the pressure difference bypass apparatus can not be adjusted according to the size of the support in installation process; and can be widely used in heat supply and heating systems.
Description
Technical field
The utility model belongs to the field that manufactures and designs of heat supply heating system, particularly a kind of pressure reduction by-pass collar.
Background technology
Along with the continuous expansion of existing heat supply heating system, the branch road of water collecting and diversifying device is also along with being on the increase.In constant flow water system, the branch road of too much switching off diversity hydrophone can reduce flow, pressure reduction is increased, flow velocity increases, water pump excess load, hydraulic misadjustment.For addressing the above problem, on pipeline, install differential-pressure bypass valve usually, differential-pressure bypass valve can provide fixing pressure reduction, behind the system pressure overrate, built-in spool mechanism can open automatically, leaks partial discharge, to guarantee other loop traffic balances and water pump operate as normal.Differential-pressure bypass valve has become the pith of heat supply heating system as the important device of the water pump that moves in the protection system.
But in the existing heating system, the pressure reduction by-pass collar all adopts the fixed dimension connected mode.Can't regulate the size of pipe fitting during installation according to the size of support, before installation, measure stent size, select for use the installation pipe fitting of appropriate length to be connected again, install with differential-pressure bypass valve.If cooperate bad then can't install or end face seal lost efficacy to produce and to leak, this mounting means can not satisfy the matching requirements of high position precision.
The utility model content
For this reason, it is a kind of easy for installation that technical problem to be solved in the utility model is to provide, length-adjustable pressure reduction by-pass collar.
For solving the problems of the technologies described above, a kind of pressure reduction by-pass collar of the present utility model, it comprises pipe fitting, one end of described pipe fitting is provided with the differential-pressure bypass valve that is connected with the feed liquor pipeline, the other end is connected with the liquid back pipe road, one end of described pipe fitting inserts the port of export of described differential-pressure bypass valve, and described pipe fitting is removably connected with described differential-pressure bypass valve by ferrule-type compression joint, when described ferrule-type compression joint screws, described pipe fitting is tightly connected with described differential-pressure bypass valve, when described ferrule-type compression joint unscrews, can be used for regulating the length of inserting the described pipe fitting in the described differential-pressure bypass valve.
Described ferrule-type compression joint comprises locking member, and the one end is provided with internal thread, is threaded with the port of export of described differential-pressure bypass valve, and the other end is slidingly connected with the periphery of described pipe fitting; Cutting ferrule, it places by in the formed confined space of the exit end face of the inner headed face of the periphery of described pipe fitting, described locking member and described differential-pressure bypass valve; When screw thread screws between described locking member is with described differential-pressure bypass valve, realize the locking of described pipe fitting is sealed with hard by pushing described cutting ferrule.
The two ends of described cutting ferrule respectively are provided with an extruding conical surface, the exit end face of the be slidingly connected end and the described differential-pressure bypass valve of the same described pipe fitting of described locking member is respectively equipped with the compressive plane that matches with the described extruding conical surface, when screw thread screws between described locking member is with described differential-pressure bypass valve, the extruding conical surface of the described cutting ferrule that the compressive plane co-extruded of described locking member and described differential-pressure bypass valve cooperates with it, and then realize the locking of described pipe fitting is sealed with hard.
The inwall of the port of export of described differential-pressure bypass valve is provided with seal groove, is provided with sealing ring in the described seal groove, is used for being connected with described pipe fitting liquid sealing.
Be provided with drain valve between described pipe fitting and the liquid back pipe road, described drain valve removably connects with described pipe fitting and liquid back pipe road.
Be connected by loose joint formula pipe joint between described drain valve and the described pipe fitting, described loose joint formula pipe joint is a locking nut, and the one end is threaded with described drain valve, and the other end fixes with described pipe fitting and is connected.
The junction of described drain valve and described pipe fitting is provided with fibre washer.
Described pipe fitting is the red copper bend pipe.
Technique scheme of the present utility model has the following advantages compared to existing technology:
The utility model inserts the port of export of described differential-pressure bypass valve by pipe fitting, fixedlys connected by ferrule-type compression joint with described differential-pressure bypass valve, and described pipe fitting inserts the adjustable length of described differential-pressure bypass valve.Can regulate according to the error size of support when having realized differential-pressure bypass valve is installed, make it easy for installation.
Further, described drain valve is provided with fibre washer with being connected of described pipe fitting between the end face, and than existing insulation headblock sheet commonly used, its hardness is higher, and is not yielding during high temperature, guaranteed the sealing of whole by-pass collar.
Simultaneously, pipe fitting of the present utility model is selected the red copper bend pipe for use, realizes the compensation on the pipeline closure, and this by-pass collar is easily installed, and long service life can extensively be used in the heat supply heating system.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a pressure reduction by-pass collar structural representation of the present utility model;
Fig. 2 is the A place enlarged drawing of Fig. 1.
Reference numeral is expressed as among the figure:
1-pipe fitting 2-differential-pressure bypass valve 31-locking member 32-cutting ferrule 4-sealing ring 5-drain valve 6-locking nut 7-fibre washer 11-feed liquor pipeline 12-liquid back pipe road.
The specific embodiment
Fig. 1 is a pressure reduction by-pass collar of the present utility model, and it comprises pipe fitting 1, and described pipe fitting 1 is the red copper bend pipe.One end of described pipe fitting 1 is communicated with feed liquor pipeline 11 by differential-pressure bypass valve 2, other end connection liquid back pipe road 12, and the port of export of the described differential-pressure bypass valve 2 of described pipe fitting 1 insertion is fixedlyed connected by ferrule-type compression joint with described differential-pressure bypass valve 2.Described ferrule-type compression joint comprises locking member 31, and the one end is threaded with described differential-pressure bypass valve 2, and other end slip cap is located on the described pipe fitting 1; Cutting ferrule 32, described cutting ferrule 32 are sheathed on the described pipe fitting 1, and it places between the exit end face of described locking member 31 and described differential-pressure bypass valve 2.
The two ends of described cutting ferrule 32 respectively are provided with an extruding conical surface, and the cone angle of the described extruding conical surface is the 15-30 degree, and present embodiment is preferably 20 degree.The exit end face of the be slidingly connected end and the described differential-pressure bypass valve 2 of the same described pipe fitting 1 of described locking member 31 is respectively equipped with the compressive plane that matches with the described extruding conical surface, and the cone angle of described compressive plane is the 40-60 degree, and present embodiment is preferably 45 degree.When screw thread screws between described locking member 31 is with described differential-pressure bypass valve 2, the extruding conical surface of the described cutting ferrule 32 that the compressive plane co-extruded of described locking member 31 and described differential-pressure bypass valve 2 cooperates with it, and then realize the locking of described pipe fitting 1 is sealed with hard.
One end of described pipe fitting 1 inserts the port of export of described differential-pressure bypass valve 2, and described pipe fitting is removably connected with described differential-pressure bypass valve 2 by described ferrule-type compression joint, when described ferrule-type compression joint screws, described pipe fitting is tightly connected with described differential-pressure bypass valve 2, when described ferrule-type compression joint unscrews, can be used for regulating the length of inserting the described pipe fitting 1 in the described differential-pressure bypass valve 2.
When this pressure reduction by-pass collar is installed, at first described cutting ferrule 32 and locking member 31 are sheathed on the described pipe fitting 1, then described pipe fitting 1 is inserted the outlet side of described differential-pressure bypass valve 2, after being adjusted to suitable length, rotate described locking member 31 and be threaded with described differential-pressure bypass valve 2, locking member 31 is pressed cutting ferrule 32 to be located at and is realized locking on the described pipe fitting 1.
The inwall of the port of export of described differential-pressure bypass valve 2 is provided with seal groove, is provided with sealing ring 4 in the described seal groove, is used for being connected with described pipe fitting 1 liquid sealing.
Pipeline between described pipe fitting 1 and the liquid back pipe road 12 is provided with drain valve 5.Described drain valve 5 removably connects by loose joint formula pipe joint with described pipe fitting 1 and liquid back pipe road 12.
Loose joint formula pipe joint between described drain valve 5 and the described pipe fitting 1 comprises a locking nut 6, and the one end is threaded with described drain valve 5, and the other end fixes with described pipe fitting 1 and is connected.Be provided with fibre washer 7 between described drain valve 5 and described pipe fitting 1 end face.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (8)
1. pressure reduction by-pass collar, it comprises
Pipe fitting (1), an end of described pipe fitting (1) are provided with the differential-pressure bypass valve (2) that is connected with the feed liquor pipeline, and the other end is connected with liquid back pipe road (12), it is characterized in that:
One end of described pipe fitting (1) inserts the port of export of described differential-pressure bypass valve (2), and described pipe fitting is removably connected with described differential-pressure bypass valve (2) by ferrule-type compression joint, when described ferrule-type compression joint screws, described pipe fitting is tightly connected with described differential-pressure bypass valve (2), when described ferrule-type compression joint unscrews, can be used for regulating the length of inserting the described pipe fitting (1) in the described differential-pressure bypass valve (2).
2. pressure reduction by-pass collar according to claim 1 is characterized in that:
Described ferrule-type compression joint comprises
Locking member (31), the one end is provided with internal thread, is threaded with the port of export of described differential-pressure bypass valve, and the other end is slidingly connected with the periphery of described pipe fitting;
Cutting ferrule (32), it places in the formed confined space of exit end face by the inner headed face of the periphery of described pipe fitting (1), described locking member (31) and described differential-pressure bypass valve (2);
When screw thread screws between described locking member (31) is with described differential-pressure bypass valve (2), realize the locking of described pipe fitting (1) is sealed with hard by pushing described cutting ferrule (32).
3. pressure reduction by-pass collar according to claim 2 is characterized in that:
The two ends of described cutting ferrule (32) respectively are provided with an extruding conical surface, the exit end face of the be slidingly connected end and the described differential-pressure bypass valve (2) of the same described pipe fitting (1) of described locking member (31) is respectively equipped with the compressive plane that matches with the described extruding conical surface, when screw thread screws between described locking member (31) is with described differential-pressure bypass valve (2), the extruding conical surface of the described cutting ferrule (32) that the compressive plane co-extruded of described locking member (31) and described differential-pressure bypass valve (2) cooperates with it, and then realize the locking of described pipe fitting (1) is sealed with hard.
4. according to claim 1 or 2 or 3 described pressure reduction by-pass collars, it is characterized in that:
The inwall of the port of export of described differential-pressure bypass valve (2) is provided with seal groove, is provided with sealing ring (4) in the described seal groove, is used for being connected with described pipe fitting (1) liquid sealing.
5. pressure reduction by-pass collar according to claim 4 is characterized in that:
Be provided with drain valve (5) between described pipe fitting (1) and liquid back pipe road (12), described drain valve (5) removably connects with described pipe fitting (1) and liquid back pipe road (12).
6. pressure reduction by-pass collar according to claim 5 is characterized in that:
Be connected by loose joint formula pipe joint between described drain valve (5) and the described pipe fitting (1), described loose joint formula pipe joint is a locking nut (6), and the one end is threaded with described drain valve (5), and the other end fixes with described pipe fitting (1) and is connected.
7. pressure reduction by-pass collar according to claim 6 is characterized in that:
Described drain valve (5) is provided with fibre washer (7) with the junction of described pipe fitting (1).
8. pressure reduction by-pass collar according to claim 7 is characterized in that:
Described pipe fitting (1) is the red copper bend pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399970U CN202048624U (en) | 2011-05-05 | 2011-05-05 | Pressure difference bypass apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399970U CN202048624U (en) | 2011-05-05 | 2011-05-05 | Pressure difference bypass apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202048624U true CN202048624U (en) | 2011-11-23 |
Family
ID=44988931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201399970U Expired - Lifetime CN202048624U (en) | 2011-05-05 | 2011-05-05 | Pressure difference bypass apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202048624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764140A (en) * | 2016-12-26 | 2017-05-31 | 常熟市惠机电有限公司 | One kind lifting valve connections |
| CN107725832A (en) * | 2017-10-24 | 2018-02-23 | 黄晓峰 | A kind of fan coiler temperature controlled valve group |
| EA030320B1 (en) * | 2014-09-23 | 2018-07-31 | И.В.А.Р. С.П.А. | Regulating device for heating systems |
-
2011
- 2011-05-05 CN CN2011201399970U patent/CN202048624U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA030320B1 (en) * | 2014-09-23 | 2018-07-31 | И.В.А.Р. С.П.А. | Regulating device for heating systems |
| CN106764140A (en) * | 2016-12-26 | 2017-05-31 | 常熟市惠机电有限公司 | One kind lifting valve connections |
| WO2018121091A1 (en) * | 2016-12-26 | 2018-07-05 | 常熟市惠一机电有限公司 | Lifting/lowering valve connecting member |
| CN107725832A (en) * | 2017-10-24 | 2018-02-23 | 黄晓峰 | A kind of fan coiler temperature controlled valve group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 519170, Guangdong, Doumen District, Zhuhai Province dry town Toyama Industrial Zone, seagull bathroom Branch East of the workshop Patentee after: ZHUHAI EDISON INTELLIGENT HOUSEHOLD CO., LTD. Address before: 519170, Zhuhai, Guangdong, Zhuhai province Doumen District dry town Toyama Industrial Zone seagull bathroom Branch East of the workshop Patentee before: Zhuhai Edison Ecotech Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
|
| CX01 | Expiry of patent term |