CN220227161U - Pump shell sealing structure of booster pump - Google Patents

Abstract

The utility model discloses a pump shell sealing structure of a booster pump, which comprises the following components: the pump body is provided with a pressurizing seat at the end part, an installing groove is formed in the edge ring of the pressurizing seat, and an elastic sealing element is arranged in the installing groove; the pump cover can be matched with the end part of the pump body, an annular step which can be matched with the elastic sealing piece is arranged in the pump cover, and an extrusion part is arranged on the annular step; the locking mechanism can lock the pump cover on the pump body, and the extrusion piece can extrude the elastic sealing piece during locking, so that the elastic sealing piece and the annular step form extrusion sealing. The utility model has better sealing performance, can effectively prevent the joint of the pump cover and the pump body from generating gaps in the using process, prevents the joint from water seepage outwards, and ensures the normal use of the booster pump.

Description

Pump shell sealing structure of booster pump

Technical Field

The utility model belongs to the technical field of pumps, and particularly relates to a pump shell sealing structure of a booster pump.

Background

The booster pump is a pump commonly used in life of people, especially the rapid development of intelligent water household appliances, has used the booster pump on more and more water household appliances, and the booster pump can effectively increase the water pressure in the water household appliances to make water household appliances realize more intelligent function. The booster pump mainly comprises the pump body and pump cover, can produce great pressure in the pump cover when using, and the pump cover seal structure of current booster pump can make the junction of pump cover and pump body produce the gap in the use to cause junction outside infiltration, influence the normal use of booster pump.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the sealing structure of the pump shell of the booster pump, which has good sealing performance, can effectively prevent a gap from being generated at the joint of the pump cover and the pump body in the using process, prevents the joint from water seepage outwards, and ensures the normal use of the booster pump.

According to an embodiment of the utility model, a pump shell sealing structure of a booster pump comprises: the pump body is provided with a pressurizing seat at the end part, an installing groove is formed in the edge ring of the pressurizing seat, and an elastic sealing element is arranged in the installing groove; the pump cover can be matched with the end part of the pump body, an annular step which can be matched with the elastic sealing piece is arranged in the pump cover, and an extrusion part is arranged on the annular step; the locking mechanism can lock the pump cover on the pump body, and the extrusion piece can extrude the elastic sealing piece during locking, so that the elastic sealing piece and the annular step form extrusion sealing.

According to the embodiment of the utility model, the sealing structure of the pump shell of the booster pump has at least the following technical effects: when the booster pump is assembled, the pump cover is placed at the end part of the pump body to cover the booster seat, meanwhile, the annular step in the pump cover is abutted with the elastic sealing piece in the mounting groove at the end part of the pump body, then the pump cover is locked on the pump body through the locking mechanism, after the locking, the elastic sealing piece is extruded by the extrusion piece on the annular step, so that the deformed elastic sealing piece and the annular step form tight contact, the elastic sealing piece and the annular step form extrusion sealing, liquid flowing into the pump cover flows out of the pump cover after being pressurized by the booster seat, so that gaps are effectively prevented from being generated at the joint of the pump cover and the pump body in the using process, the outward water seepage of the joint is prevented, and the normal use of the booster pump is ensured.

According to some embodiments of the utility model, the extrusion is a first extrusion bead looped over the annular step. When the booster pump is assembled, the elastic sealing element can be extruded by the first extrusion convex strips, so that the deformed elastic sealing element and the annular step form close contact.

According to some embodiments of the utility model, the elastic seal is a first seal ring, and a cross section of the first seal ring is square. The sealing ring with the square cross section can enable the sealing ring to be deformed more greatly when being extruded by the extrusion piece, so that the sealing ring and the annular step form closer abutting joint.

According to some embodiments of the utility model, the groove wall of the mounting groove opposite to the annular step is provided with a second extrusion convex strip in a ring mode. The setting of second extrusion sand grip can make it and first extrusion sand grip cooperation, extrudees elastic sealing element from two faces relatively to make elastic sealing element and annular step form in close contact, elastic sealing element can also form in close contact with the interior slot wall of mounting groove, further promote sealed effect.

According to some embodiments of the utility model, the pressurizing seat is provided with a partition ring seat, the pump cover is internally provided with a limit ring seat, the partition ring seat and the limit ring seat partition the pump cover into a water suction cavity and a water discharge cavity, the pressurizing seat comprises a water suction seat and a water discharge seat, the water suction seat is communicated with the water discharge seat, the water suction seat is positioned in the water suction cavity, the water discharge seat is positioned in the water discharge cavity, the pump cover is provided with a water inlet and a water outlet, the water inlet is communicated with the water suction cavity, and the water outlet is communicated with the water discharge cavity. When the booster pump is used, liquid flows into the water suction cavity from the water inlet, is sucked by the water suction seat and flows into the water discharge seat, is discharged from the water discharge seat to the water discharge cavity, and is discharged from the water outlet, and the water suction seat and the water discharge seat can be matched to boost the pressure of the liquid in the flowing process of the liquid, so that the liquid has larger water pressure when flowing out of the water outlet.

According to some embodiments of the utility model, a second sealing ring capable of sealing with the limiting ring seat in a matched manner is arranged on the isolating ring seat. The arrangement of the second sealing ring can enable the water absorption cavity and the water drainage cavity to form a sealed partition, ensure that the water absorption cavity and the water drainage cavity cannot leak liquid or air leakage, prevent pressure relief and further ensure the liquid pressure of the water outlet.

According to some embodiments of the utility model, the plurality of water absorbing seats are evenly distributed around the outer edge of the partition ring seat. When the booster pump is used, liquid flows into the water absorption cavity from the water inlet, is sucked through the water absorption seats and flows into the water drainage seat, is discharged from the water drainage seat to the water drainage cavity and is discharged through the water outlet, and the water absorption seats can further improve the pressure of the liquid.

According to some embodiments of the utility model, the number of the water absorbing seats is 3-6.

According to some embodiments of the utility model, a water absorbing hole is formed in the water absorbing seat in a surrounding manner, an elastic first anti-backflow baffle is installed in the water absorbing seat, a first installation hole is formed in the center of the water absorbing seat, the first anti-backflow baffle is installed in the water absorbing seat through the first installation hole, and the first anti-backflow baffle can be matched with the water absorbing hole to prevent liquid from flowing backwards. The arrangement of the first anti-backflow baffle plate enables liquid in the water absorption cavity to be absorbed into the water absorption seat, and water in the water absorption seat cannot flow into the water absorption cavity in a backflow mode.

According to some embodiments of the utility model, a drain hole is formed in the drain seat in a surrounding manner, an elastic second backflow preventing baffle is mounted on the drain seat, a second mounting hole is formed in the center of the drain seat, the second backflow preventing baffle is mounted on the drain seat through the second mounting hole, and the second backflow preventing baffle can be matched with the drain hole to prevent backflow of liquid. The arrangement of the second anti-backflow baffle plate enables liquid in the drainage seat to be discharged to the drainage cavity, and water in the drainage cavity cannot flow into the drainage seat in a backflow mode.

According to some embodiments of the utility model, the locking mechanism comprises screws, the edge of the pump cover is uniformly provided with a plurality of through holes, a plurality of screws are respectively arranged on the through holes in a penetrating way, and the pump body is provided with threaded holes which can be matched with the screws. The pump cover is locked and installed on the pump body through the screws, and meanwhile, the through holes are uniformly formed in the edge of the pump cover, so that the extrusion of the extrusion piece to the elastic sealing piece is more uniform when the locking is ensured, and the sealing effect is ensured.

According to some embodiments of the utility model, the number of through holes is 6-12.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is a bottom view of a pump cap according to an embodiment of the present utility model;

fig. 4 is an exploded view of the pump body according to an embodiment of the present utility model.

Reference numerals:

100. a pump body; 101. a mounting groove; 102. a first seal ring; 103. a second pressing convex strip; 104. a partition ring seat; 105. a water absorbing seat; 106. a drain seat; 107. a second seal ring; 108. a threaded hole; 109. a water suction hole; 110. a drain hole; 111. a first reverse flow prevention baffle; 112. a first mounting hole; 113. a second anti-reflux baffle; 114. a second mounting hole; 115. an intermediate plate; 116. a membrane;

200. a pump cover; 201. an annular step; 202. first extruding raised strips; 203. a limiting ring seat; 204. a water inlet; 205. a water outlet; 206. a through hole;

300. and (5) a screw.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A booster pump casing seal structure according to an embodiment of the present utility model is described below with reference to fig. 1 to 4.

As shown in fig. 1 and 2, a pump casing sealing structure of a booster pump according to an embodiment of the present utility model includes: the pump comprises a pump body 100, a pump cover 200 and a locking mechanism, wherein a pressurizing seat is arranged at the end part of the pump body 100, a mounting groove 101 is formed in the edge ring of the pressurizing seat, and an elastic sealing element is arranged in the mounting groove 101; the pump cover 200 can be matched with the end part of the pump body 100, an annular step 201 which can be matched with the elastic sealing piece is arranged in the pump cover 200, and an extrusion part is arranged on the annular step 201; the locking mechanism can lock the pump cap 200 to the pump body 100, and the extrusion can extrude the elastic sealing member during locking, so that the elastic sealing member and the annular step 201 form extrusion sealing. When the booster pump is assembled, the pump cover 200 is placed at the end part of the pump body 100 to cover the booster seat, meanwhile, the annular step 201 in the pump cover 200 is abutted with the elastic sealing piece in the mounting groove 101 at the end part of the pump body 100, then the pump cover 200 is locked on the pump body 100 through the locking mechanism, after the locking, the elastic sealing piece is extruded by the extrusion piece on the annular step 201, the deformed elastic sealing piece is tightly contacted with the annular step 201, so that the elastic sealing piece and the annular step 201 form extrusion sealing, and liquid flowing into the pump cover 200 flows out of the pump cover 200 after being pressurized by the booster seat, so that gaps are generated at the joint of the pump cover 200 and the pump body 100 in the using process can be effectively prevented, the joint is prevented from being leaked outwards, and the normal use of the booster pump is ensured.

In some embodiments of the utility model, as shown in fig. 3, the extrusion is a first extrusion ridge 202 looped over an annular step 201. When the booster pump is assembled, the first pressing raised strips 202 can press the elastic sealing element, so that the deformed elastic sealing element is in close contact with the annular step 201.

In some embodiments of the present utility model, the elastic seal is a first seal ring 102, and the cross section of the first seal ring 102 is square. The square cross-section seal ring can be deformed more when being extruded by the extrusion part, so that the seal ring is in closer abutting connection with the annular step 201.

In some embodiments of the present utility model, the second pressing protrusion 103 is formed on the groove wall of the mounting groove 101 opposite to the annular step 201 in a ring shape. The arrangement of the second extrusion convex strip 103 can enable the second extrusion convex strip to be matched with the first extrusion convex strip 202, and the elastic sealing element is extruded from the two opposite faces, so that the elastic sealing element can form close contact with the annular step 201, and meanwhile, the elastic sealing element can also form close contact with the inner groove wall of the mounting groove 101, and the sealing effect is further improved.

As shown in fig. 2 and 4, in some embodiments of the present utility model, a partition ring seat 104 is disposed on the pressurizing seat, a limit ring seat 203 is disposed in the pump cover 200, the partition ring seat 104 and the limit ring seat 203 partition the interior of the pump cover 200 into a water suction cavity and a water discharge cavity, the pressurizing seat includes a water suction seat 105 and a water discharge seat 106, the water suction seat 105 is communicated with the water discharge seat 106, the water suction seat 105 is disposed in the water suction cavity, the water discharge seat 106 is disposed in the water discharge cavity, the pump cover 200 is provided with a water inlet 204 and a water outlet 205, the water inlet 204 is communicated with the water suction cavity, and the water outlet 205 is communicated with the water discharge cavity. When the booster pump is used, liquid flows into the water absorption cavity from the water inlet 204, is sucked through the water absorption seat 105, flows into the water drainage seat 106, is discharged from the water drainage seat 106 to the water drainage cavity, and is discharged through the water outlet 205, and the water absorption seat 105 and the water drainage seat 106 can be matched to boost the pressure of the liquid in the flowing process of the liquid, so that the liquid has larger water pressure when flowing out of the water outlet 205.

In some embodiments of the present utility model, the partition ring seat 104 is provided with a second sealing ring 107 capable of sealing with the stop ring seat 203.

Specifically, the cross section of the second sealing ring 107 is circular, and the second sealing ring 107 can form a sealing partition between the water suction cavity and the water discharge cavity, so that no mutual leakage or air leakage between the water suction cavity and the water discharge cavity is ensured, pressure relief is prevented, and the liquid pressure of the water outlet 205 is ensured.

In some embodiments of the present utility model, the plurality of water absorbing seats 105 are evenly distributed around the outer edge of the partition ring seat 104.

Specifically, the plurality of water absorbing seats 105 are isolated from each other but are respectively communicated with the water draining seat 106, and when the booster pump is in use, liquid flows into the water absorbing cavity from the water inlet 204, is sucked through the plurality of water absorbing seats 105 and then flows into the water draining seat 106, is discharged from the water draining seat 106 to the water draining cavity and then is discharged through the water outlet 205, and the plurality of water absorbing seats 105 can further raise the pressure of the liquid.

In some embodiments of the present utility model, the number of the water absorbing seats is 3-6.

Specifically, the number of the water absorbing seats is 6.

As shown in fig. 4, in some embodiments of the present utility model, the pressurizing seat is formed by sealing and connecting the middle plate 115 and the membrane 116, the water absorbing seat 105 is provided with a water absorbing hole 109 in a ring, the water absorbing seat 105 is internally provided with an elastic first anti-backflow baffle 111, the center of the water absorbing seat 105 is provided with a first mounting hole 112, the first anti-backflow baffle 111 is installed in the water absorbing seat 105 through the first mounting hole 112, and the first anti-backflow baffle 111 can cooperate with the water absorbing hole 109 to prevent backflow of liquid.

Specifically, the first anti-backflow baffle 111 is in a horn shape, the first anti-backflow baffle 111 is attached to the water absorbing hole 109 in the inner wall of the water absorbing seat 105, the first anti-backflow baffle 111 is made of rubber or silica gel material, and the arrangement of the first anti-backflow baffle 111 enables liquid in the water absorbing cavity to be absorbed into the water absorbing seat 105, and water in the water absorbing seat 105 cannot enter the water absorbing cavity in a countercurrent mode.

In some embodiments of the present utility model, the drain hole 110 is formed on the drain seat 106 in a ring, the drain seat 106 is provided with an elastic second anti-backflow baffle 113, the center of the drain seat 106 is provided with a second mounting hole 114, the second anti-backflow baffle 113 is mounted on the drain seat 106 through the second mounting hole 114, and the second anti-backflow baffle 113 can cooperate with the drain hole 110 to prevent backflow of liquid

Specifically, the second anti-backflow baffle 113 is petal-shaped, the second anti-backflow baffle 113 is attached to the drain hole 110 on the outer wall of the drain seat 106, the second anti-backflow baffle 113 is made of rubber or silica gel material, and the second anti-backflow baffle 113 is arranged, so that liquid in the drain seat 106 can be discharged into a drain cavity, and water in the drain cavity cannot enter the drain seat 106 in a backflow mode.

In some embodiments of the present utility model, the locking mechanism includes screws 300, the edge of the pump cover 200 is uniformly provided with a plurality of through holes 206, the plurality of screws 300 are respectively inserted into the through holes 206, and the pump body 100 is provided with threaded holes 108 capable of being matched with the screws 300. The pump cover 200 is locked and installed on the pump body 100 through the screw 300, and meanwhile, the through holes 206 are uniformly formed in the edge of the pump cover 200, so that extrusion of the extrusion piece to the elastic sealing piece is more uniform during locking, and the sealing effect is guaranteed.

In some embodiments of the present utility model, the number of through holes 206 is 6-12.

Specifically, the number of through holes 206 and screws 300 is 6.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, which are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A booster pump casing seal structure, characterized by comprising:

the pump comprises a pump body (100), wherein a pressurizing seat is arranged at the end part of the pump body (100), an installation groove (101) is formed in the edge ring of the pressurizing seat, and an elastic sealing element is arranged in the installation groove (101);

the pump cover (200) can be matched with the end part of the pump body (100), an annular step (201) which can be matched with the elastic sealing piece is arranged in the pump cover (200), and an extrusion piece is arranged on the annular step (201);

the locking mechanism can lock the pump cover (200) on the pump body (100), and the extrusion piece can extrude the elastic sealing piece during locking, so that the elastic sealing piece and the annular step (201) form extrusion sealing.

2. The booster pump casing seal structure of claim 1, wherein: the extrusion piece is a first extrusion convex strip (202) which is annularly arranged on the annular step (201).

3. The booster pump casing seal structure of claim 1, wherein: the elastic sealing piece is a first sealing ring (102), and the cross section of the first sealing ring (102) is square.

4. A booster pump casing seal arrangement as claimed in claim 2, wherein: the groove wall of the mounting groove (101) opposite to the annular step (201) is provided with a second extrusion convex strip (103) in a ring mode.

5. The booster pump casing seal structure of claim 1, wherein: be provided with on the pressure boost seat and cut off ring seat (104), be provided with spacing ring seat (203) in pump cover (200), cut off ring seat (104) with cut off in pump cover (200) for water absorption chamber and drainage chamber, the pressure boost seat includes water absorption seat (105) and drainage seat (106), water absorption seat (105) with drainage seat (106) intercommunication, water absorption seat (105) are in the water absorption chamber, drainage seat (106) are in the drainage chamber, pump cover (200) are provided with water inlet (204) and delivery port (205), water inlet (204) with water absorption chamber intercommunication, delivery port (205) with the drainage chamber intercommunication.

6. The booster pump casing seal structure of claim 5, wherein: the partition ring seat (104) is provided with a second sealing ring (107) which can be matched and sealed with the limiting ring seat (203).

7. The booster pump casing seal structure of claim 5, wherein: the water absorbing seats (105) are uniformly distributed around the outer edge of the partition ring seat (104).

8. The booster pump casing seal structure of claim 5, wherein: the water absorption seat (105) is provided with a water absorption hole (109) in a surrounding mode, an elastic first anti-backflow baffle (111) is arranged in the water absorption seat (105), a first mounting hole (112) is formed in the center of the water absorption seat (105), the first anti-backflow baffle (111) is arranged in the water absorption seat (105) through the first mounting hole (112), and the first anti-backflow baffle (111) can be matched with the water absorption hole (109) to prevent liquid from flowing reversely.

9. The booster pump casing seal structure of claim 5, wherein: the drainage seat (106) is provided with a drainage hole (110) in a surrounding mode, the drainage seat (106) is provided with an elastic second backflow preventing baffle (113), the center of the drainage seat (106) is provided with a second mounting hole (114), the second backflow preventing baffle (113) is arranged on the drainage seat (106) through the second mounting hole (114), and the second backflow preventing baffle (113) can be matched with the drainage hole (110) to prevent backflow of liquid.

10. The booster pump casing seal structure of claim 1, wherein: the locking mechanism comprises screws (300), a plurality of through holes (206) are uniformly formed in the edge of the pump cover (200), the screws (300) are respectively arranged on the through holes (206) in a penetrating mode, and threaded holes (108) capable of being matched with the screws (300) are formed in the pump body (100).