CN213953908U - Rotary spraying pump with fastening function - Google Patents
Rotary spraying pump with fastening function Download PDFInfo
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- CN213953908U CN213953908U CN202022568189.8U CN202022568189U CN213953908U CN 213953908 U CN213953908 U CN 213953908U CN 202022568189 U CN202022568189 U CN 202022568189U CN 213953908 U CN213953908 U CN 213953908U
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- pitot tube
- cover
- mounting groove
- impeller
- chamber
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Abstract
The utility model provides a spout pump soon with fastening function, is including inlet tube, outlet pipe, trunk line, first seal chamber, second seal chamber, output shaft, impeller, rotor chamber, pitot tube, spring unit, and spring unit includes spring, protecgulum, spring housing body, back lid. The anti-deviation device can prevent the pitot tube from deviating in work, avoid the friction between the pitot tube and the impeller and prolong the service life.
Description
Technical Field
The utility model relates to a spout pump soon with fastening function.
Background
The rotary jet pump is a centrifugal pump with low specific speed, and is mainly used for working conditions of small flow and high lift. When the temperature of a medium conveyed by the rotary shell pump is high, the materials of the pitot tube and the water inlet and outlet body are different, the expansion coefficients of the pitot tube arranged in the water inlet and outlet body and the water inlet and outlet body are different, a certain gap is formed between the pitot tube and the water inlet and outlet body, the pitot tube deviates under the action of gravity, the inner hole of the impeller and the pitot tube are rubbed, the pitot tube can be cut off in serious cases, and the equipment cannot be used.
Disclosure of Invention
The utility model aims at providing a spout pump soon with fastening function.
The utility model aims at realizing the technical proposal, which comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are communicated with a main pipeline, one end of the main pipeline is closed, the other end is communicated with a first sealing cavity, a second sealing cavity formed by an impeller and a rotor cavity is positioned in the first sealing cavity, one side of the first sealing cavity, which is opposite to the main pipeline, is provided with a motor, an output shaft of the motor can rotatably extend into the first sealing cavity and is fixedly connected with the rotor cavity, the rotor cavity is fixedly connected with the impeller in a sealing way, one end of a pitot tube positioned in the second sealing cavity formed by the rotor cavity and the impeller sequentially extends out of the impeller and the first sealing cavity and extends into the main pipeline, the other end is suspended in the second sealing cavity, a second water inlet channel is formed between the impeller and the pitot tube, a first water inlet channel is formed between the first sealing cavity and the pitot tube, one end of the pitot tube extending into the main pipeline is provided with a hollow ring platform, the sealed one end of trunk line is provided with the mounting groove, sets up in the mounting groove with cavity ring platform complex annular, is provided with spring unit between annular and the cavity ring platform, the outlet pipe stretch into the trunk line and with cavity ring platform intercommunication.
Preferably, the impeller comprises a cover body and a mounting disc, a plurality of water flowing grooves are uniformly distributed around the center of the cover body on the inner side surface of the cover body, the disc is fixedly connected to the inner side surface of the cover body, a third water inlet channel for water to flow into the sealing body is defined by the disc and the water flowing grooves, a first opening is formed in the center of the cover body, the pitot tube sequentially penetrates through the first openings of the mounting disc and the cover body and extends into the main pipeline, the pitot tube can rotate relative to the mounting disc and the cover body, and a gap between the pitot tube and the first opening in the cover body is a second water inlet channel for water to flow into.
Preferably, the pitot tube consists of an elbow and a pipeline part, the elbow is suspended in the second sealing cavity, and the opening direction of a water inlet of the elbow is opposite to the rotation direction of the rotor cavity;
the one end of pipeline part area cavity ring platform is connected with the mounting groove through the screw thread, and the cavity ring platform still is provided with spring unit between cavity ring platform and the annular in inserting the annular of mounting groove.
Preferably, the spring assembly comprises a spring, a front cover, a rear cover and a spring sleeve body;
the front cover, the back cover, the cover body are provided with the preceding mounting groove and the back mounting groove that are used for installing preceding, back cover on two terminal surfaces around the cover body respectively, and the setting that the protecgulum and back cover are movable respectively is in the mounting groove, and a plurality of springs that use the axis of the cover body as centre of a circle evenly distributed run through preceding mounting groove and back mounting groove to be connected with protecgulum and back cover.
Due to the adoption of the technical scheme, the utility model discloses following advantage has:
when the pump cavity is filled with high-temperature medium, the temperature of the pump flowing part is increased, different materials expand to different degrees at high temperature, and therefore a certain gap is formed between the main pipeline and the pitot tube; during design, the right end of the pitot tube is designed to have a certain taper theta, and the mounting groove of the main pipeline is designed to have a taper theta matched with the pitot tube; when a gap is formed between the pitot tube and the locking bolt, the spring assembly pushes the locking bolt to move rightwards, and the pitot tube moves rightwards along with the locking bolt, so that the pitot tube is tightly attached to the mounting groove of the main pipeline again, good matching is formed, the pitot tube is effectively prevented from deviating, the impeller and the pitot tube are prevented from rubbing, the potential working hazard is reduced, and the service life is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the present invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof.
Drawings
The drawings of the utility model are explained as follows;
FIG. 1 is a schematic structural view of a rotary jet pump;
FIG. 2 is a perspective cross-sectional view of a jet pump;
FIG. 3 is a schematic view of the structure of the mounting disk;
FIG. 4 is a schematic structural view of the cover;
FIG. 5 is a schematic diagram of a pitot tube;
FIG. 6 is an enlarged view of the spring assembly;
FIG. 7 is a schematic view of a spring housing;
fig. 8 is a perspective view of the spring assembly.
In the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. a main pipeline; 4. a first sealed chamber; 5. an impeller; 6. a rotor cavity; 7. a second sealed chamber; 8. an output shaft; 9. a pitot tube; 10. a first water inlet channel; 11. a second water inlet channel; 12. a spring assembly; 13. a cover body; 14. installing a disc; 15. a third water inlet channel;
3a, mounting grooves; 3b, a ring groove;
9a, bending the pipe; 9b. a pipe section; 9c, a hollow ring platform;
12a, a spring; 12b. a front cover; 12c, a rear cover; 12d, a spring housing body;
12d-1. front mounting groove; 12d-2. rear mounting groove.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 2, the jet pump includes a water inlet pipe 1 and a water outlet pipe 2, the water inlet pipe 1 and the water outlet pipe 2 are both communicated with a main pipe 3, one end of the main pipe 3 is closed, the other end is communicated with a first sealed cavity 4, a second sealed cavity 7 formed by an impeller 5 and a rotor cavity 6 is positioned in the first sealed cavity 4, one side of the first sealed cavity 4 opposite to the main pipe 3 is provided with a motor, an output shaft 8 of the motor can rotatably extend into the first sealed cavity 4 and is fixedly connected with the rotor cavity 6, the rotor cavity 6 is fixedly connected with the impeller 5 in a sealed way, one end of a pitot tube 9 positioned in the second sealed cavity 7 formed by the rotor cavity 6 and the impeller 5 sequentially extends out of the impeller 5 and the first sealed cavity 4 and extends into the main pipe 3, the other end is suspended in the second sealed cavity 7, a second water inlet channel 11 is formed between the impeller 5 and the pitot tube 9, a first water inlet channel 10 is formed between the first sealed cavity and the pitot tube, the one end that pitot tube 9 stretched into the trunk line is provided with hollow ring platform 9c, and the sealed one end of trunk line 3 is provided with mounting groove 3a, sets up annular 3b with hollow ring platform 9c complex in the mounting groove 3a, is provided with spring unit 12 between annular 3b and the hollow ring platform 9c, and outlet pipe 2 stretches into trunk line 3 and communicates with hollow ring platform 9c.
In the embodiment, liquid enters the main pipeline through the water inlet pipeline, then sequentially flows through the first water inlet channel, the second water inlet channel and the third water inlet channel and then enters the second sealing cavity formed by sealing and fixing the rotor cavity and the impeller, then the motor output shaft rotates to drive the second sealing cavity to rotate, the liquid in the second sealing cavity rotates at a high speed, the pitot tube suspended in the second sealing cavity collects the liquid endowed with high kinetic energy, then the pitot tube converts the kinetic energy of the liquid into pressure energy, and the liquid is pumped out through the water outlet pipe.
As shown in fig. 3 to 4, the impeller 5 includes a cover 13 and a mounting disc 14, the inner side of the cover 13 is provided with a plurality of water flowing grooves equally distributed around the center of the cover, the disc 14 is fixedly connected to the inner side of the cover 13, the disc 14 and the water flowing grooves enclose a third water inlet channel 15 through which water flows into the sealing body, a first opening 13a is arranged at the center of the cover, the pitot tube 9 sequentially passes through the mounting disc 14 and the first opening 13a of the cover 13 and extends into the main pipe 3, the pitot tube 9 can rotate relative to the mounting disc 14 and the cover 13, and a gap between the pitot tube 9 and the first opening 13a of the cover is a second water inlet channel 11 through which water flows.
In the embodiment, the liquid enters the third water inlet channel on the cover body through the second water inlet channel between the cover body and the pitot tube, and the impeller rotates at high speed to throw out the liquid in the third water inlet channel.
As shown in fig. 5, the pitot tube 9 is composed of an elbow 9a and a pipeline part 9b, the elbow 9a is suspended in the second sealed cavity 7, and the opening direction of the water inlet of the elbow 9a is opposite to the rotating direction of the rotor cavity 6;
one end of the pipeline part 9b with the hollow annular platform 9c is connected with the mounting groove 3a through threads, the hollow annular platform 9c is inserted into the annular groove 3b of the mounting groove 3a, and a spring assembly 12 is further arranged between the hollow annular platform 9c and the annular groove 3b.
In the embodiment, the opening direction of the elbow of the pitot tube is opposite to the rotation direction of liquid in the cavity, the liquid with high kinetic energy due to rotation is continuously collected, the liquid enters the pitot tube, the cross section in the pitot tube is gradually enlarged, the kinetic energy of the liquid is converted into pressure energy, the pitot tube is arranged in the mounting groove of the main pipe, when a high-temperature medium is filled in the pump cavity, different materials expand to different degrees at high temperature, and therefore a certain gap is formed between the main pipe and the pitot tube; when a gap is formed between the pitot tube and the locking bolt, the spring assembly pushes the locking bolt to move rightwards, the pitot tube moves rightwards along with the locking bolt, and therefore the pitot tube is tightly attached to the mounting groove of the main pipe again.
As shown in fig. 6 to 8, the spring assembly (12) includes a spring 12a, a front cover 12b, a rear cover 12c, and a spring sheath 12 d;
the front cover 12b, the rear cover 12c and the sleeve body 12d, a front mounting groove 12d-1 and a rear mounting groove 12d-2 for mounting the front cover and the rear cover are respectively arranged on the front end face and the rear end face of the sleeve body 12d, the front cover 12b and the rear cover 12c are respectively and movably arranged in the mounting grooves, and a plurality of springs 12a which are uniformly distributed by taking the central axis of the sleeve body as the center of a circle penetrate through the front mounting groove 12d-1 and the rear mounting groove 12d-2 and are connected with the front cover 12b and the rear cover 12c.
In this embodiment, when producing the clearance between pitot tube and the locking bolt, the energy that is located the spring storage of the spring housing body will be released, and the spring promotes the protecgulum and takes place the displacement to the right, further promotes the locking bolt displacement, and the locking bolt drives the pitot tube and shifts to the right to the pitot tube will hug closely again in the mounting groove of trunk line.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (4)
1. The utility model provides a spout the pump soon with fastening function, a serial communication port, spout the pump soon including inlet tube (1) and outlet pipe (2), inlet tube (1) and outlet pipe (2) all communicate with trunk line (3), the one end of trunk line (3) is sealed, the other end communicates with first seal chamber (4), second seal chamber (7) that impeller (5) and rotor chamber (6) are constituteed are located first seal chamber (4), first seal chamber (4) one side relative with trunk line (3) is provided with the motor, the output shaft (8) of motor is rotatable to stretch into in first seal chamber (4) and with rotor chamber (6) rigid coupling, rotor chamber (6) and impeller (5) sealed rigid coupling, pitot tube (9) one end that is located second seal chamber (7) that rotor chamber (6) and impeller (5) are constituteed stretches out impeller (5) and first seal chamber (4) in proper order, and stretch into trunk line (3), the other end is suspended to be located in second sealed chamber (7), form second water inlet channel (11) between impeller (5) and pitot tube (9), form first water inlet channel (10) between first sealed chamber and the pitot tube, the one end that pitot tube (9) stretched into the trunk line is provided with cavity ring platform (9c), the sealed one end of trunk line (3) is provided with mounting groove (3a), set up in mounting groove (3a) with cavity ring platform (9c) complex annular (3b), be provided with spring assembly (12) between annular (3b) and cavity ring platform (9c), outlet pipe (2) stretch into trunk line (3) and communicate with cavity ring platform (9 c).
2. The jet pump with the fastening function of claim 1, wherein the impeller (5) comprises a cover body (13) and a mounting disc (14), the inner side surface of the cover body (13) is provided with a plurality of water flowing grooves which are uniformly distributed around the center of the cover body, the disc (14) is fixedly connected to the inner side surface of the cover body (13), the disc (14) and the water flowing grooves define a third water inlet channel (15) for water to flow into the sealing body, a first opening (13a) is arranged at the center of the cover body, the pitot tube (9) sequentially penetrates through the mounting disc (14) and the first opening (13a) of the cover body (13) and extends into the main pipeline (3), the pitot tube (9) can rotate relative to the mounting disc (14) and the cover body (13), and a gap between the pitot tube (9) and the first opening (13a) on the cover body is a second water inlet channel (11) for water to flow in.
3. A rotary jet pump with fastening function as claimed in claim 1, characterized in that the pitot tube (9) comprises an elbow (9a) and a pipe section (9b), the elbow (9a) is suspended in the second sealed chamber (7), the opening direction of the inlet of the elbow (9a) is opposite to the rotation direction of the rotor chamber (6);
one end of the pipeline part (9b) with the hollow ring platform (9c) is connected with the mounting groove (3a) through threads, the hollow ring platform (9c) is inserted into the ring groove (3b) of the mounting groove (3a), and a spring assembly (12) is further arranged between the hollow ring platform (9c) and the ring groove (3 b).
4. The rotary jet pump with the fastening function of claim 1, wherein the spring assembly (12) comprises a spring (12 a), a front cover (12 b), a rear cover (12 c) and a spring sleeve body (12 d);
the front end face and the rear end face of the spring sleeve body (12 d) are respectively provided with a front mounting groove (12 d-1) and a rear mounting groove (12 d-2) for mounting a front cover and a rear cover, the front cover (12 b) and the rear cover (12 c) are respectively movably arranged in the mounting grooves, and a plurality of springs (12 a) which are uniformly distributed by taking the central axis of the sleeve body as the circle center penetrate through the front mounting groove (12 d-1) and the rear mounting groove (12 d-2) and are connected with the front cover (12 b) and the rear cover (12 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568189.8U CN213953908U (en) | 2020-11-09 | 2020-11-09 | Rotary spraying pump with fastening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568189.8U CN213953908U (en) | 2020-11-09 | 2020-11-09 | Rotary spraying pump with fastening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953908U true CN213953908U (en) | 2021-08-13 |
Family
ID=77207848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022568189.8U Active CN213953908U (en) | 2020-11-09 | 2020-11-09 | Rotary spraying pump with fastening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953908U (en) |
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2020
- 2020-11-09 CN CN202022568189.8U patent/CN213953908U/en active Active
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