CN217926430U - Pump shell and pump - Google Patents

Abstract

The utility model belongs to the technical field of canned motor pumps, and provides a pump shell and a pump, the pump shell comprises a pump body, a mounting hole is arranged on the pump body, a metal joint used for connecting an external water source joint is detachably connected at the mounting hole, the metal joint is inserted into the mounting hole of the pump body, and a first sealing component is arranged between the metal joint and the mounting hole; the pump body is provided with a slot which is vertical to the axial direction of the mounting hole; and one end of the inserting piece is inserted into the slot and is clamped with the fixed metal joint. The pump shell is provided with the detachable metal joint, so that the pump shell is convenient to replace, and when the pump shell is damaged, the whole water pump does not need to be replaced. The pump includes the pump housing.

Description

Pump shell and pump

Technical Field

The utility model belongs to the technical field of the pump, especially, relate to a pump casing and pump.

Background

The existing pump shell is connected by adopting a threaded structure, and the pump shell of the pump is convenient to form due to the complexity of the structure and is mostly made of non-metallic materials. The mounting hole end of current product is reserved and is carried out the installation operation for end user, and end user does not necessarily have professional installation technique, if the screw thread of mounting hole department is damaged, leads to the unable installation of whole heating system to use, need change whole platform water pump, and is with high costs.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a pump casing sets up the detachable metal joint on this pump casing, is convenient for change, when appearing damaging, no longer need change whole platform water pump.

An object of the utility model is to provide a canned motor pump, this canned motor pump uses above-mentioned pump casing, improves the life of this canned motor pump.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model discloses in provide a pump casing, include:

the pump comprises a pump body, a first sealing component and a second sealing component, wherein a mounting hole is formed in the pump body, a metal joint used for connecting an external water source joint is detachably connected to the mounting hole, the metal joint is inserted into the mounting hole of the pump body, and the first sealing component is arranged between the metal joint and the mounting hole;

the pump body is provided with a slot which is perpendicular to the axial direction of the mounting hole;

and one end of the inserting piece is inserted into the slot and is clamped and fixed with the metal joint.

Preferably, a gas separation assembly is disposed inside the pump body, the gas separation assembly separating gas within the water stream.

Preferably, a gas collection cavity assembly is further arranged inside the pump body and located above the gas separation assembly, and the gas separation assembly separates gas in the water flow and enters the gas collection cavity assembly;

the pump body is provided with an exhaust assembly communicated with the gas collection cavity assembly, and gas in the gas collection cavity assembly is discharged out of the pump body.

Preferably, a drain assembly is further provided at the lowest portion of the pump body to drain water in the pump body.

Preferably, the first sealing assembly comprises at least one ring of first sealing ring, and at least one ring of first sealing ring is arranged between the metal joint and the mounting hole.

Preferably, one end of the metal joint connected with the external water source joint is provided with threads.

Preferably, the exhaust assembly comprises an exhaust valve disposed at a top portion of the gas collection chamber assembly.

Preferably, the drainage assembly comprises a drainage joint, a drainage hole communicated with a water flow channel in the pump body is formed in the pump body, one end of the drainage joint is in threaded connection with the drainage hole of the pump body, the other end of the drainage joint is provided with a plug-in joint connected with an external pipeline joint, and the front end of the drainage joint is in sealed connection with the drainage hole through a second sealing assembly.

Preferably, the second sealing assembly comprises at least one second sealing ring, and the second sealing ring is arranged at the front end of the drainage connector.

The embodiment also provides a pump which comprises the pump shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a set up the mounting hole on the pump body to the installation is used for connecting the metal joint that outside water source connects, and this metal joint is as the water inlet of pump, reserves to operate the use for terminal customer.

The metal joint is arranged in the clamping way by inserting one end of the inserting piece into the slot so as to fixedly insert the metal joint into the mounting hole. The inserted sheet is taken out, and the metal joint can be taken out from the mounting hole, utilizes the fixed metal joint of inserted sheet, convenient to detach, simple structure. Because of the pump body generally is non-metallic, original water inlet department sets up the screw thread, during the installation, needs professional instrument to dismantle, and the screw thread fragile, influences the life of assembly efficiency and water pump. According to the technical scheme in the embodiment, the metal connector is installed in the installation hole and serves as a water inlet for connecting the external water source connector, when the terminal customer is connected with the external water source connector, a special tool is not needed, and the installation and the disassembly are convenient.

When the metal joint appears damaging, perhaps can not use, only need change alone the metal joint can, need not to change whole water pump, improve the life of pump. In addition, a first sealing assembly is arranged between the metal joint and the mounting hole to seal a gap between the metal joint and the mounting hole and prevent water leakage.

Drawings

Fig. 1 is a schematic structural diagram of a first angle of the canned motor pump according to the present invention;

fig. 2 is a schematic diagram of the internal structure of the canned motor pump (metal joint);

fig. 3 is a schematic structural diagram of a metal joint, an insert and a first seal ring in the present invention;

fig. 4 is a schematic view of a first angle of the metal joint according to the present invention;

fig. 5 is a schematic structural view of a second angle of the metal joint according to the present invention;

fig. 6 is a schematic structural view of a first angle of the insert of the present invention;

fig. 7 is a schematic structural view of a second angle of the insert of the present invention;

fig. 8 is a schematic diagram of the internal structure of the canned motor pump (exhaust joint) according to the present invention;

fig. 9 is a schematic diagram of a second angle of the canned motor pump according to the present invention;

fig. 10 is a second angle schematic view of the canned motor pump of the present invention (partial gas collection chamber assembly).

Wherein, 100, a water inlet; 200. a water outlet; 1. a pump body; 2. a metal joint; 3. a slot; 4. inserting sheets; 5. a first seal ring; 6. a gas separation assembly; 7. a gas collection chamber assembly; 70. a grid-like structure; 8. an exhaust assembly; 80. an exhaust valve; 9. a drainage assembly; 90. a water discharge joint; 901. a plug-in connector; 91. a second seal assembly; 910. and a second seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 10, the present embodiment provides a pump housing, which includes a pump body 1, a mounting hole is formed in the pump body 1, a metal joint 2 for connecting an external water source joint is detachably connected to the mounting hole, the metal joint 2 is inserted into the mounting hole of the pump body 1, and a first sealing assembly is disposed between the metal joint 2 and the pump body 1.

Still be provided with slot 3 on the pump body 1, slot 3 sets up with the axial of mounting hole is perpendicular. One end of the inserting sheet 4 is inserted into the slot 3 and is clamped with the fixed metal joint 2.

The pump body 1 in this embodiment is provided with a mounting hole to install the metal joint 2 for connecting an external water source joint, and the metal joint 2 is used as a water inlet 100 of the pump and is reserved for a terminal customer to operate and use.

The above-mentioned one end that utilizes inserted sheet 4 is inserted in slot 3, and the card is established metal joint 2 to metal joint 2 in the fixed insertion mounting hole. The inserted sheet 4 is taken out, and metal joint 2 can be taken out from the mounting hole, utilizes the fixed metal joint 2 of inserted sheet 4, convenient to detach, simple structure. Because of pump body 1 generally is non-metallic member, original water inlet department sets up the screw thread, during the installation, needs professional instrument to dismantle, and the screw thread fragile, influences the life of assembly efficiency and water pump. According to the technical scheme in the embodiment, the metal connector 2 is installed in the installation hole and serves as the water inlet 100 for connecting with the external water source connector, when a terminal customer is connected with the external water source connector, a special tool is not needed, and the installation and the disassembly are convenient.

When metal joint 2 appears damaging, perhaps can not use, only need change alone metal joint 2 can, need not to change whole water pump, improve the life of pump. In addition, a first sealing assembly is arranged between the metal joint 2 and the mounting hole to seal a gap between the metal joint and the mounting hole and prevent water leakage.

The lateral wall of the metal joint 2 is hexagonal, so that the conventional universal tool can be conveniently mounted and dismounted, and the metal joint 2 is provided with threads at one end connected with an external water source joint. The external water source connector is connected with the metal connector 2 in a threaded mode.

In this embodiment, metal joint 2 is provided with the internal thread with the one end that outside water source connects, and outside water source connects and is provided with the external screw thread. In other embodiments, the end of the metal fitting 2 connected to the external water supply fitting is provided with an external thread, and correspondingly, the external water supply fitting is provided with an internal thread.

Because of being provided with the internal thread in this embodiment on metal joint 2, the threaded connection of metal material is not fragile, has reduced the requirement to installation specialty degree, even the screw thread damages, also only need change a metal joint 2 connect can, can not damage whole platform water pump, can not lead to whole platform water pump to scrap.

The first sealing assembly comprises at least one circle of first sealing ring 5, and at least one circle of first sealing ring 5 is arranged between the metal joint 2 and the mounting hole. The first seal ring 5 seals the gap between the mounting hole and the metal fitting 2 to prevent water leakage.

In this embodiment, a ring of first sealing rings 5 is provided between the mounting hole and the metal joint 2.

Preferably, the inside of pump body 1 is provided with gas separation subassembly 6, and gas separation subassembly 6 sets up in metal joint 2 department, and the inside rivers impact gas separation subassembly 6 of pump body 1 through metal joint 2, and rivers are broken up by gas separation subassembly 6 to separate the bubble in the rivers.

The gas separation assembly 6 is arranged on the pump body 1 in the embodiment, and most of bubbles in water flow are removed by impacting the gas separation assembly 6 with water flow.

The gas separation assembly 6 in the present technical solution has the same structure as the spoiler in the "pump with spoiler" patent applied on the same day, and the invention points in the present technical solution are not described here, and are not described herein again.

Preferably, the interior of the pump body 1 is further provided with a gas collection cavity assembly 7, the gas collection cavity assembly 7 is located above the gas separation assembly 6, and the gas in the water flow separated by the gas separation assembly 6 enters the gas collection cavity assembly 7.

The pump body 1 is provided with an exhaust assembly 8 communicated with the gas collection cavity assembly 7, and gas in the gas collection cavity assembly 7 is exhausted out of the pump body 1.

The gas collection chamber assembly 7 is used for collecting the gas bubbles in the water flow and discharging the gas bubbles out of the gas collection chamber assembly 7.

Preferably, the vent assembly 8 includes a vent valve 80 disposed at the top of the gas collection chamber assembly 7. The gas in the gas collection chamber assembly 7 is vented through the vent valve 80.

The specific structure of the gas collecting chamber assembly 7 in this embodiment is the prior art, and the invention point of this technical solution is not described here, and is not described here again.

After the water flow impacts the gas separation assembly 6, most bubbles in the water flow are separated from the water flow, gas flows through the grid-shaped structure 70 at the bottom of the gas collection chamber assembly 7 along with the water flow and enters the inside of the gas collection chamber assembly 7, and the liquid level inside the gas collection chamber assembly 7 is kept unchanged after reaching a certain liquid level. The gas in the water flow is discharged through the exhaust valve 80, so that the gas is prevented from circulating in the medium, the excessive hydraulic loss is avoided, and the performance of the pump is improved.

The central axis of the gas collection chamber assembly 7 is co-directional with the central axis of the water outlet 200.

Preferably, a drain assembly 9 is further provided at the lowest portion of the pump body 1 to drain the water in the pump body 1.

The lowest part of the pump body 1 is provided with the drainage component 9, when the equipment is not used for a long time, the exhaust valve 80 can be opened to remove part of water in the system, so that the system is frozen in a low-temperature environment without bursting the system, and the safety of the system is effectively protected.

Preferably, the drainage assembly 9 includes a drainage joint 90, a drainage hole communicated with the water flow channel is formed on the pump body 1, one end of the drainage joint 90 is in threaded connection with the drainage hole of the pump body 1, the other end of the drainage joint is provided with a plug 901 connected to an external pipe joint, and the front end of the drainage joint 90 is in sealed connection with the drainage hole through a second sealing assembly 91.

In this embodiment, the drain joint 90 is fixedly connected to the drain hole by a screw, and the second sealing member 91 seals the gap between the drain joint 90 and the drain hole to prevent water leakage therebetween. The other end of the drain fitting 90 is provided with a plug 901 for quick connection and disconnection with a fitting of an external pipe.

Preferably, the second sealing assembly 91 includes at least one second sealing ring 910, and the second sealing ring 910 is disposed at the front end of the drain fitting 90.

The second sealing ring 910 has simple structure, low cost, easy replacement and low maintenance cost, and is damaged.

In other embodiments, a plurality of rings of the second sealing ring 910 can be further provided at the front end of the drain fitting 90.

In other embodiments, the second sealing member 91 can be a rubber member provided at the front end of the drain joint 90, the rubber member can be compressed and stacked to have a larger diameter to block the drain hole, and the rubber member can be extended and have a smaller diameter to open the drain hole. That is, after the drain joint 90 is screw-coupled to the water outlet 200, the rubber member is compressed and folded to seal the drain hole. The drain fitting 90 is unscrewed from the outlet 200, the rubber member is stretched, and the drain fitting 90 draws out the drain hole to drain the water in the system in which the pump is located.

The present embodiment also provides a pump including a pump housing. The canned motor pump has long service life and good performance. The pump in this embodiment is a canned pump.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A pump housing, comprising:

the pump comprises a pump body (1), wherein a mounting hole is formed in the pump body, a metal joint (2) used for connecting an external water source joint is detachably connected to the mounting hole, the metal joint (2) is inserted into the mounting hole of the pump body (1), and a first sealing assembly is arranged between the metal joint (2) and the mounting hole;

the pump body (1) is provided with a slot (3), and the slot (3) is perpendicular to the axial direction of the mounting hole;

and one end of the inserting piece (4) is inserted into the slot (3) and is clamped and fixed with the metal connector (2).

2. Pump housing according to claim 1, characterized in that the interior of the pump body (1) is provided with a gas separation assembly (6), which gas separation assembly (6) separates gas within a water flow.

3. The pump housing according to claim 2, wherein the interior of the pump body (1) is further provided with a gas collection chamber assembly (7), the gas collection chamber assembly (7) being located above the gas separation assembly (6), the gas separation assembly (6) separating gas in a water flow into the gas collection chamber assembly (7);

the pump body (1) is provided with an exhaust assembly (8) communicated with the gas collection cavity assembly (7), and gas in the gas collection cavity assembly (7) is exhausted out of the pump body (1).

4. Pump housing according to claim 3, characterized in that the lowest of the pump body (1) is also provided with a drainage assembly (9) to drain the water inside the pump body (1).

5. The pump housing according to claim 1, wherein the first sealing assembly comprises at least one ring of first sealing rings (5), at least one ring of first sealing rings (5) being provided between the metal joint (2) and the mounting hole.

6. Pump housing according to claim 5, characterized in that the end of the metal connection (2) connected to an external water supply connection is provided with a thread.

7. A pump housing according to claim 3, wherein the vent assembly (8) comprises a vent valve (80) provided at the top of the gas collection chamber assembly (7).

8. The pump casing according to claim 4, wherein the drainage assembly (9) comprises a drainage joint (90), a drainage hole communicated with a water flow channel in the pump body (1) is formed in the pump body (1), one end of the drainage joint (90) is in threaded connection with the drainage hole of the pump body (1), the other end of the drainage joint is provided with a plug joint (901) connected with an external pipeline joint, and the front end of the drainage joint (90) is in sealing connection with the drainage hole through a second sealing assembly (91).

9. The pump housing of claim 8, wherein the second seal assembly (91) comprises at least one second seal ring (910), the second seal ring (910) being disposed at a forward end of the drain fitting (90).

10. A pump comprising a pump housing according to any of claims 1 to 9.

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