CN210397077U - Water return pipe structure - Google Patents
Water return pipe structure Download PDFInfo
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- CN210397077U CN210397077U CN201920926936.5U CN201920926936U CN210397077U CN 210397077 U CN210397077 U CN 210397077U CN 201920926936 U CN201920926936 U CN 201920926936U CN 210397077 U CN210397077 U CN 210397077U
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- return pipe
- water
- water return
- storage tank
- tank
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Abstract
The utility model discloses a wet return structure, include: the side wall of the water storage tank is provided with at least one first pipe inner tooth and two through openings; the upper end cover of the expansion water tank is arranged at the upper end of the water storage tank; the lower end cover of the expansion water tank is arranged at the lower end of the water storage tank and is provided with a first pipe inner tooth and a second pipe inner tooth; one end of the first water return pipe is communicated with the through hole, and the first water return pipe is provided with a first pipe inner tooth and a second pipe inner tooth; one end of the second water return pipe is communicated with the other port; one end of the elbow is communicated with the other end of the second water return pipe; one end of the third water return pipe is communicated with the other end of the elbow; and one end of the fourth water return pipe is communicated with the other end of the third water return pipe. The utility model discloses can guarantee that the pumping absorbs water the volume enough, can effectively prevent the pumping idle running wearing and tearing, reduce cost of maintenance.
Description
Technical Field
The utility model relates to a technical field of pumping especially relates to a wet return structure.
Background
The wet return suction in the prior art is lower, leads to the water absorption capacity of pumping not enough, not only can cause the pumping to idle and wear, reduces the life of pumping, can lead to whole machine unable operation moreover.
Disclosure of Invention
Above-mentioned problem to current wet return existence now aims at providing a wet return structure, through increasing a water storage tank on the basis at the wet return to reach and guarantee that the pumping absorbs water the volume enough, can effectively prevent to respond the pumping on the one hand and absorb water the volume not enough and the pumping idle running wearing and tearing that lead to reduce cost of maintenance, on the other hand guarantees that the inside operation of machine is more smooth stable.
The specific technical scheme is as follows:
a water return pipe structure comprising: the side wall of the water storage tank is provided with at least one first pipe inner tooth and two through openings;
the upper end cover of the expansion water tank is arranged at the upper end of the water storage tank;
the lower end cover of the expansion water tank is arranged at the lower end of the water storage tank and is provided with a first pipe inner tooth and a second pipe inner tooth;
one end of the first water return pipe is communicated with the through hole, the other end of the first water return pipe is provided with an inner tooth joint, and the first water return pipe is provided with a first pipe inner tooth and a second pipe inner tooth;
one end of the second water return pipe is communicated with the other through hole;
one end of the elbow is communicated with the other end of the second water return pipe;
one end of the third water return pipe is communicated with the other end of the elbow;
and one end of the fourth water return pipe is communicated with the other end of the third water return pipe, and a flange is installed at the other end of the fourth water return pipe.
In the water return pipe structure, the first pipe inner teeth located on the side wall of the water storage tank are arranged right above the second water return pipe.
In the above water return pipe structure, the first water return pipe and the second water return pipe are respectively arranged along the radial direction of the water storage tank, and the first water return pipe is higher than the second water return pipe.
In the above water return pipe structure, the first water return pipe and the second water return pipe are arranged in parallel.
In the above water return pipe structure, the third water return pipe is perpendicular to the first water return pipe and the second water return pipe, respectively.
In the above water return pipe structure, the fourth water return pipe is arranged in an arc shape.
In the water return pipe structure, a first external thread is formed on the outer periphery of the upper end of the water storage tank, a first convex ring is arranged at the end part of the upper end of the water storage tank, a first inclined abutting surface is formed on the outer periphery of the first convex ring, a first annular groove is formed on the outer periphery of the first convex ring, a first sealing ring is embedded in the first annular groove, and a second inclined abutting surface and a first internal thread are sequentially formed on the inner periphery of the lower end of the water storage tank from top to bottom;
a first retaining ring and a second internal thread are sequentially formed on the inner periphery of the lower end of the upper end cover of the expansion water tank from top to bottom, a third inclined abutting surface is formed on the inner periphery of the first retaining ring, the third inclined abutting surface is abutted against the first inclined abutting surface and the first sealing ring respectively, and the second internal thread is in threaded connection with the first external thread;
the periphery of the upper end of expansion tank lower end cover is formed with the second external screw thread, the tip of the upper end of expansion tank lower end cover is equipped with the second bulge loop, the periphery of second bulge loop is formed with the fourth slope and supports the face, the periphery of second bulge loop is equipped with the second annular, the embedded second sealing washer that is equipped with of second annular, the second slope support the face respectively with the fourth slope support the face second sealing washer butt, the second external screw thread with first internal thread threaded connection.
In the water return pipe structure, the upper end cover of the expansion water tank is positioned between the first retaining ring and the second internal thread to form a first step, and the water storage tank is positioned on the side wall of the first ring groove and is in limit fit with the first step.
In the water return pipe structure, the water storage tank is located between the second inclined abutting surface and the first internal thread to form a second step, and the lower end cover of the expansion water tank is located on the side wall of the second annular groove and is in limit fit with the second step.
In the above-mentioned water return pipe structure, the periphery of the water storage tank is flush with the periphery of the upper end cover of the expansion water tank and the periphery of the lower end cover of the expansion water tank, respectively.
Compared with the prior art, the technical scheme has the positive effects that:
(1) the utility model discloses an increase a water storage tank on the basis of wet return to reach and guarantee that the pumping water absorption capacity is sufficient, can effectively prevent to answer the pumping water absorption capacity not enough and the pumping idle running wearing and tearing that lead to on the one hand, reduce cost of maintenance, on the other hand guarantees that the inside operation of machine is more smooth stable.
(2) The utility model discloses a water storage tank respectively with expansion tank upper end cover, expansion tank lower extreme lid sealing connection, have better sealed effect.
Drawings
FIG. 1 is a schematic view of the overall structure of a water return pipe structure of the present invention;
FIG. 2 is a front view of a water return pipe structure of the present invention;
FIG. 3 is a top view of a water return pipe structure according to the present invention;
FIG. 4 is a cross-sectional view of a water storage tank in a water return pipe structure of the present invention;
fig. 5 is an enlarged exploded view of the return pipe structure at a point a in fig. 4 according to the present invention;
fig. 6 is an enlarged exploded view of the water return pipe structure at B in fig. 4 according to the present invention;
in the drawings: 1. a water storage tank; 2. an upper end cover of the expansion water tank; 3. the lower end cover of the expansion water tank; 4. a first intraductal tooth; 5. a second tube inner tooth; 6. a first water return pipe; 7. a second water return pipe; 8. an internal thread joint; 9. Bending the pipe; 10. a third water return pipe; 11. a fourth water return pipe; 12. a flange; 13. a first external thread; 14. A first convex ring; 15. a first inclined butting face; 16. a first ring groove; 17. a first seal ring; 18. a second inclined butting face; 19. a first internal thread; 20. a first retainer ring; 21. a second internal thread; 22. a third inclined butting face; 23. a second external thread; 24. a second convex ring; 25. a fourth inclined butting face; 26. a second ring groove; 27. a second seal ring; 28. a first step; 29. a second step.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is the utility model relates to an overall structure schematic diagram of wet return structure, fig. 2 is the utility model relates to a water return structure's main view, fig. 3 is the utility model relates to a water return structure's top view, fig. 4 is the utility model relates to a water storage tank's cross-sectional view in water return structure, fig. 5 is the utility model relates to an enlarged exploded view of a department in the picture 3 of wet return structure, fig. 6 is the utility model relates to an enlarged exploded view of B department in fig. 3 of water return structure, as shown in fig. 1 to fig. 6, shown the wet return structure of a preferred embodiment, include: the expansion water tank comprises a water storage tank 1, an expansion water tank upper end cover 2 and an expansion water tank lower end cover 3, wherein the side wall of the water storage tank 1 is provided with at least one first pipe inner tooth 4 and two through openings, the expansion water tank upper end cover 2 is installed at the upper end of the water storage tank 1, the expansion water tank lower end cover 3 is installed at the lower end of the water storage tank 1, and the expansion water tank lower end cover 3 is provided with a first pipe inner tooth 4 and a second pipe inner tooth 5.
Further, as a preferred embodiment, the return pipe structure further includes: the first water return pipe 6 is communicated with a through hole at one end of the first water return pipe 6, an inner tooth joint 8 is installed at the other end of the first water return pipe 6, and a first pipe inner tooth 4 and a second pipe inner tooth 5 are arranged on the first water return pipe 6.
Further, as a preferred embodiment, the return pipe structure further includes: and one end of the second water return pipe 7 is communicated with the other port.
Further, as a preferred embodiment, the return pipe structure further includes: and one end of the elbow 9 is communicated with the other end of the second water return pipe 7.
Further, as a preferred embodiment, the return pipe structure further includes: and one end of the third water return pipe 10 is communicated with the other end of the elbow 9.
Further, as a preferred embodiment, the return pipe structure further includes: and one end of the fourth water return pipe 11 is communicated with the other end of the third water return pipe 10, and a flange 12 is installed at the other end of the fourth water return pipe 11.
Further, as a preferred embodiment, a first pipe inner tooth 4 located on the side wall of the water storage tank 1 is located right above the second return pipe 7.
Further, as a preferred embodiment, the first water return pipe 6 and the second water return pipe 7 are respectively disposed along a radial direction of the water storage tank 1, and the first water return pipe 6 is higher than the second water return pipe 7.
Further, as a preferred embodiment, the first water return pipe 6 and the second water return pipe 7 are disposed in parallel.
Further, as a preferred embodiment, the third water return pipe 10 is perpendicular to the first water return pipe 6 and the second water return pipe 7, respectively.
Further, as a preferred embodiment, the fourth water return pipe 11 is disposed in an arc shape.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, please continue to refer to fig. 1 to 6, a first external thread 13 is formed on the outer periphery of the upper end of the water storage tank 1, a first protruding ring 14 is disposed on the end of the upper end of the water storage tank 1, a first inclined abutting surface 15 is formed on the outer periphery of the first protruding ring 14, a first annular groove 16 is disposed on the outer periphery of the first protruding ring 14, a first sealing ring 17 is embedded in the first annular groove 16, and a second inclined abutting surface 18 and a first internal thread 19 are sequentially formed on the inner periphery of the lower end of the water storage tank 1 from top to bottom.
The utility model discloses a further embodiment, the inner periphery of the lower extreme of expansion tank upper end cover 2 is from last to being formed with first fender ring 20 and second internal thread 21 down in proper order, and the inner periphery of first fender ring 20 is formed with the third slope and supports face 22, and the third slope supports face 22 respectively with first slope support face 15, first sealing washer 17 butt, second internal thread 21 and first external screw thread 13 are connected.
The utility model discloses a further embodiment, the periphery of the upper end of expansion tank lower end cover 3 is formed with second external screw thread 23, the tip of the upper end of expansion tank lower end cover 3 is equipped with second bulge loop 24, the periphery of second bulge loop 24 is formed with fourth slope and supports face 25, the periphery of second bulge loop 24 is equipped with second annular groove 26, the embedded second sealing washer 27 that is equipped with of second annular groove 26, second slope is supported face 18 and is supported face 25, second sealing washer 27 butt with the fourth slope respectively, second external screw thread 23 and the 19 threaded connection of first internal thread.
The utility model discloses a further embodiment, expansion tank upper end cover 3 is located and forms first step 28 between first fender ring 20 and the second internal thread 21, and water storage tank 1 is located the lateral wall and the spacing cooperation of first step 28 of first annular 16.
The utility model discloses a further embodiment, water storage tank 1 is located the second slope and supports and form second step 29 between face 18 and the first internal thread 19, and expansion tank lower end cover 3 is located the lateral wall and the spacing cooperation of second step 29 of second annular groove 26.
The utility model discloses a further embodiment, the periphery of water storage tank 1 flushes with expansion tank upper end cover 2's periphery, expansion tank lower end cover 3's periphery respectively mutually.
Preferably, each water return pipe is made of stainless steel.
The utility model discloses an increase a water storage tank 1 on the basis of wet return to reach and guarantee that the pumping water absorption capacity is sufficient, can effectively prevent to answer the pumping water absorption capacity not enough and the pumping idle running wearing and tearing that lead to on the one hand, reduce cost of maintenance, on the other hand guarantees that the inside operation of machine is more smooth stable.
The utility model discloses a water storage tank respectively with expansion tank upper end cover, expansion tank lower extreme lid sealing connection, have better sealed effect.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. A return pipe structure characterized by comprising:
the side wall of the water storage tank is provided with at least one first pipe inner tooth and two through openings;
the upper end cover of the expansion water tank is arranged at the upper end of the water storage tank;
the lower end cover of the expansion water tank is arranged at the lower end of the water storage tank and is provided with a first pipe inner tooth and a second pipe inner tooth;
one end of the first water return pipe is communicated with the through hole, the other end of the first water return pipe is provided with an inner tooth joint, and the first water return pipe is provided with a first pipe inner tooth and a second pipe inner tooth;
one end of the second water return pipe is communicated with the other through hole;
one end of the elbow is communicated with the other end of the second water return pipe;
one end of the third water return pipe is communicated with the other end of the elbow;
and one end of the fourth water return pipe is communicated with the other end of the third water return pipe, and a flange is installed at the other end of the fourth water return pipe.
2. The water return pipe structure according to claim 1, wherein a first pipe inner tooth located on a side wall of the water storage tank is provided directly above the second water return pipe.
3. The water return pipe structure according to claim 1, wherein the first water return pipe and the second water return pipe are respectively disposed along a radial direction of the water storage tank, and the first water return pipe is higher than the second water return pipe.
4. The return pipe structure of claim 1, wherein the first return pipe and the second return pipe are arranged in parallel.
5. The return pipe structure of claim 1, wherein the third return pipe is perpendicular to the first return pipe and the second return pipe.
6. The return pipe structure of claim 1, wherein the fourth return pipe is disposed in an arc shape.
7. The water return pipe structure according to claim 1, wherein a first external thread is formed on an outer periphery of an upper end of the water storage tank, a first convex ring is arranged at an end portion of the upper end of the water storage tank, a first inclined abutting surface is formed on an outer periphery of the first convex ring, a first annular groove is formed on an outer periphery of the first convex ring, a first sealing ring is embedded in the first annular groove, and a second inclined abutting surface and a first internal thread are sequentially formed on an inner periphery of a lower end of the water storage tank from top to bottom;
a first retaining ring and a second internal thread are sequentially formed on the inner periphery of the lower end of the upper end cover of the expansion water tank from top to bottom, a third inclined abutting surface is formed on the inner periphery of the first retaining ring, the third inclined abutting surface is abutted against the first inclined abutting surface and the first sealing ring respectively, and the second internal thread is in threaded connection with the first external thread;
the periphery of the upper end of expansion tank lower end cover is formed with the second external screw thread, the tip of the upper end of expansion tank lower end cover is equipped with the second bulge loop, the periphery of second bulge loop is formed with the fourth slope and supports the face, the periphery of second bulge loop is equipped with the second annular, the embedded second sealing washer that is equipped with of second annular, the second slope support the face respectively with the fourth slope support the face second sealing washer butt, the second external screw thread with first internal thread threaded connection.
8. The return pipe structure of claim 7, wherein a first step is formed between the first baffle ring and the second internal thread on the upper end cover of the expansion tank, and the side wall of the water storage tank on the first ring groove is in limit fit with the first step.
9. The water return pipe structure of claim 7, wherein a second step is formed between the second inclined abutting surface and the first internal thread of the water storage tank, and the side wall of the second annular groove, which is positioned on the lower end cover of the expansion tank, is in limit fit with the second step.
10. The water return pipe structure according to claim 7, wherein the outer periphery of the water storage tank is flush with the outer periphery of the upper end cover of the expansion tank and the outer periphery of the lower end cover of the expansion tank, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920926936.5U CN210397077U (en) | 2019-06-19 | 2019-06-19 | Water return pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920926936.5U CN210397077U (en) | 2019-06-19 | 2019-06-19 | Water return pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397077U true CN210397077U (en) | 2020-04-24 |
Family
ID=70350198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920926936.5U Active CN210397077U (en) | 2019-06-19 | 2019-06-19 | Water return pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397077U (en) |
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2019
- 2019-06-19 CN CN201920926936.5U patent/CN210397077U/en active Active
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