CN218347568U - Prevent seal structure of screw pump head leakage - Google Patents
Prevent seal structure of screw pump head leakage Download PDFInfo
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- CN218347568U CN218347568U CN202222513732.3U CN202222513732U CN218347568U CN 218347568 U CN218347568 U CN 218347568U CN 202222513732 U CN202222513732 U CN 202222513732U CN 218347568 U CN218347568 U CN 218347568U
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Abstract
The utility model relates to a sealing structure for preventing screw pump head from leaking, which comprises a base, wherein a motor is fixed on the upper surface of the base, an output shaft of the motor is connected with a pump head fixed on the upper surface of the base, a first flange is fixed at the left end of the pump head, a second flange is fixed at the left end of the first flange through a fixing bolt, a sealing component is arranged between the first flange and the second flange, a pump body is fixed at the left end of the second flange, and a pump tail is fixed at the left end of the pump body; the sealing assembly comprises an inner sealing groove arranged on the inner side wall of the first flange and the inner side wall of the second flange. This prevent seal structure of screw pump head leakage, through be equipped with seal assembly between pump body and pump head, seal assembly adopts two-layer sealed mode to seal, and not only sealed effect is better, simultaneously, after the sealed damage that appears of first layer became invalid, can observe seal assembly to learn that the first layer is sealed to appear damaging, be convenient for change the operation, satisfy the user demand of screw pump.
Description
Technical Field
The utility model relates to a screw pump technical field specifically is a prevent seal structure of screw pump head leakage.
Background
A spiral pump, also called 'spiral water raiser' or 'Archimedes spiral pump', is composed of axle, spiral blades and casing, and features that when water is pumped, the pump is obliquely put in water to make the inclination angle of main axle of water pump smaller than that of spiral blades, and the lower end of spiral blade is in contact with water.
The screw pump generally comprises a motor, a pump head, a pump body, a pump tail and other parts, for example, a screw pump disclosed in chinese patent (publication No. CN 216950841U) comprises a pump body and a base for mounting the pump body, wherein the pump body is respectively provided with a water inlet and a water outlet for water to flow in and out, a driving mechanism for driving the screw pump to work is arranged on the screw pump at one end of the water outlet, a transmission shaft connected with the driving mechanism is arranged in the pump body, a filtering component is arranged at the water inlet of the pump body, and the filtering component comprises a filtering net, a magnetic framework and a connecting framework, and by means of the structure, non-metal impurities and metal impurities in water flow in the screw pump can be effectively filtered, so as to achieve the purpose of purifying water flow, and has a good filtering effect.
However, the above technical solution still has the disadvantage of poor leakage prevention effect, and the connection part between the pump head and the pump body of the screw pump is often connected by using a flange, and a single sealing ring is arranged at the flange for sealing, so that the sealing effect is poor, and after long-time use, the leakage condition is easy to occur, which affects the normal use of the screw pump.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a prevent seal structure of screw pump head leakage possesses and prevents leaking advantage such as effectual, has solved current screw pump head and has prevented leaking the poor problem of effect.
In order to achieve the above object, the utility model provides a following technical scheme: a sealing structure for preventing leakage of a screw pump head comprises a base, wherein a motor is fixed on the upper surface of the base, an output shaft of the motor is connected with the pump head fixed on the upper surface of the base, a first flange is fixed at the left end of the pump head, a second flange is fixed at the left end of the first flange through a fixing bolt, a sealing assembly is arranged between the first flange and the second flange, a pump body is fixed at the left end of the second flange, and a pump tail is fixed at the left end of the pump body;
the sealing assembly comprises an inner sealing groove formed in the inner side wall of the first flange and the inner side wall of the second flange, an inner sealing ring is fixed in the inner sealing groove, a pressure relief groove formed in the first flange and the second flange is communicated with the outer side of the inner sealing groove, an observation hole formed in the second flange is communicated with the left end of the pressure relief groove, a transparent plate is fixed to the left end of the inner wall of the observation hole, the sealing assembly further comprises an outer sealing groove formed in the outer surface of the first flange and the outer surface of the second flange, and an outer sealing ring is sleeved in the outer sealing groove.
Furthermore, the inner sealing groove, the inner sealing ring, the pressure relief groove, the outer sealing groove and the outer sealing ring are all annular.
Furthermore, two closely laminate between the interior sealing washer, the inner wall of interior seal groove and the inner wall of first flange and second flange are in the coplanar.
Further, the transparent plate is an acrylic transparent plate, and the transparent plate is connected with the observation hole through sealant.
Further, the outer surface of the outer sealing ring and the outer surfaces of the first flange and the second flange are in the same plane.
Further, the lower surface of pump body and pump tail all is fixed mutually with the upper surface of base.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this prevent seal structure of screw pump head leakage, through be equipped with seal assembly between pump body and pump head, seal assembly adopts two-layer sealed mode to seal, and not only sealed effect is better, simultaneously, after the sealed damage that appears of first layer became invalid, can observe seal assembly to learn that the first layer is sealed to appear damaging, be convenient for change the operation, satisfy the user demand of screw pump.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is a schematic side view of the present invention.
In the figure: 1 base, 2 motors, 3 pump heads, 4 pump bodies, 5 pump tails, 6 first flanges, 7 second flanges, 8 fixing bolts, 9 sealing components, 901 inner sealing grooves, 902 inner sealing rings, 903 pressure relief grooves, 904 observation holes, 905 transparent plates, 906 outer sealing grooves and 907 outer 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 and 3, in the embodiment, the sealing structure for preventing the screw pump head from leaking includes a base 1, a motor 2 is fixed to an upper surface of the base 1, an output shaft of the motor 2 is connected to a pump head 3 fixed to an upper surface of the base 1, a first flange 6 is fixed to a left end of the pump head 3, a second flange 7 is fixed to a left end of the first flange 6 through a fixing bolt 8, a sealing assembly 9 is arranged between the first flange 6 and the second flange 7, a pump body 4 is fixed to a left end of the second flange 7, a pump tail 5 is fixed to a left end of the pump body 4, and lower surfaces of the pump body 4 and the pump tail 5 are fixed to an upper surface of the base 1.
It should be noted that how the motor 2 in this application drives the screw pump to operate belongs to the content in the prior art, and therefore, the details of the operation of the screw pump need not be described herein.
Referring to fig. 2, in order to improve the sealing effect, the sealing assembly 9 in this embodiment includes an inner sealing groove 901 formed in inner sidewalls of the first flange 6 and the second flange 7, an inner sealing ring 902 is fixed in the inner sealing groove 901, the two inner sealing rings 902 are tightly attached to each other, an inner wall of the inner sealing groove 901 is in the same plane as inner walls of the first flange 6 and the second flange 7, a pressure relief groove 903 formed in the first flange 6 and the second flange 7 is communicated with an outer side of the inner sealing groove 901, a left end of the pressure relief groove 903 is communicated with an observation hole 904 formed in the second flange 7, a transparent plate 905 is fixed to a left end of an inner wall of the observation hole 904, the transparent plate 905 is an acrylic transparent plate, the transparent plate 905 is connected to the observation hole 904 by a sealant, the sealing assembly 9 further includes an outer sealing groove 906 formed in outer surfaces of the first flange 6 and the second flange 7, an outer sealing ring 907 is connected to the outer sealing groove 906, an outer surface of the outer sealing ring 907 is in the same plane as outer surfaces of the first flange 6 and the second flange 7, the inner sealing groove 901, the inner sealing groove 902, the pressure relief groove 906, the outer sealing ring 906, and the outer sealing ring 907 are in a ring 903.
In the sealing assembly 9 in this embodiment, the inner sealing ring 902 is used to cooperate with the outer sealing ring 907 to perform two-layer sealing, so that the sealing effect is improved, and when the inner sealing ring 902 is damaged or fails, a user can quickly know that the inner sealing ring 902 fails, so that the inner sealing ring 902 is replaced.
The working principle of the embodiment is as follows:
through being connected pump body 4 and pump head 3, fix through fixing bolt 8 by first flange 6 and second flange 7, interior seal groove 901 and the cooperation of interior sealing washer 902 on first flange 6 and the second flange 7, thereby carry out the first layer to junction between them and seal, after the installation finishes, overlap outer sealing washer 907 in outer sealing washer 906, thereby realize the second layer of junction between them and seal, after the first layer is sealed to be realized, liquid enters into in the pressure relief groove 903 from interior seal groove 901, then flow in to in the observation hole 904, accessible transparent plate 905 observes observation hole 904, when having the leakage liquid in observation hole 904, can learn that the first layer is sealed to appear inefficacy, can change the operation to the first layer is sealed this moment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent seal structure of screw pump head leakage, includes base (1), its characterized in that: a motor (2) is fixed on the upper surface of the base (1), an output shaft of the motor (2) is connected with a pump head (3) fixed on the upper surface of the base (1), a first flange (6) is fixed at the left end of the pump head (3), a second flange (7) is fixed at the left end of the first flange (6) through a fixing bolt (8), a sealing assembly (9) is arranged between the first flange (6) and the second flange (7), a pump body (4) is fixed at the left end of the second flange (7), and a pump tail (5) is fixed at the left end of the pump body (4);
the sealing assembly (9) comprises an inner sealing groove (901) formed in the inner side wall of a first flange (6) and a second flange (7), an inner sealing ring (902) is fixed in the inner sealing groove (901), the outer side of the inner sealing groove (901) is communicated with a pressure relief groove (903) formed in the first flange (6) and the second flange (7), the left end of the pressure relief groove (903) is communicated with an observation hole (904) formed in the second flange (7), a transparent plate (905) is fixed at the left end of the inner wall of the observation hole (904), the sealing assembly (9) further comprises an outer sealing groove (906) formed in the outer surface of the first flange (6) and the outer surface of the second flange (7), and an outer sealing ring (907) is sleeved in the outer sealing groove (906).
2. A sealing structure for preventing leakage of a screw pump head according to claim 1, wherein: the inner sealing groove (901), the inner sealing ring (902), the pressure relief groove (903), the outer sealing groove (906) and the outer sealing ring (907) are all annular.
3. A sealing structure for preventing leakage of a screw pump head according to claim 1, wherein: the two inner sealing rings (902) are tightly attached, and the inner wall of the inner sealing groove (901) and the inner walls of the first flange (6) and the second flange (7) are in the same plane.
4. A sealing arrangement for preventing leakage from a screw pump head, according to claim 1, wherein: the transparent plate (905) is an acrylic transparent plate, and the transparent plate (905) is connected with the observation hole (904) through sealant.
5. A sealing arrangement for preventing leakage from a screw pump head, according to claim 1, wherein: the outer surface of the outer sealing ring (907) and the outer surfaces of the first flange (6) and the second flange (7) are in the same plane.
6. A sealing structure for preventing leakage of a screw pump head according to claim 1, wherein: the lower surfaces of the pump body (4) and the pump tail (5) are fixed with the upper surface of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513732.3U CN218347568U (en) | 2022-09-22 | 2022-09-22 | Prevent seal structure of screw pump head leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222513732.3U CN218347568U (en) | 2022-09-22 | 2022-09-22 | Prevent seal structure of screw pump head leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347568U true CN218347568U (en) | 2023-01-20 |
Family
ID=84894108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222513732.3U Active CN218347568U (en) | 2022-09-22 | 2022-09-22 | Prevent seal structure of screw pump head leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347568U (en) |
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2022
- 2022-09-22 CN CN202222513732.3U patent/CN218347568U/en active Active
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