CN217440351U - High-pressure descaling water pump for sealing box body - Google Patents

High-pressure descaling water pump for sealing box body Download PDF

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Publication number
CN217440351U
CN217440351U CN202221277703.5U CN202221277703U CN217440351U CN 217440351 U CN217440351 U CN 217440351U CN 202221277703 U CN202221277703 U CN 202221277703U CN 217440351 U CN217440351 U CN 217440351U
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China
Prior art keywords
driving end
sealing
pump cover
box body
rear pump
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CN202221277703.5U
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Chinese (zh)
Inventor
范学民
杨培生
韩慧星
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Shenyang Great Pump Co ltd
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Shenyang Great Pump Co ltd
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Priority to CN202221277703.5U priority Critical patent/CN217440351U/en
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Publication of CN217440351U publication Critical patent/CN217440351U/en
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Abstract

A sealed box body high-pressure descaling water pump relates to a water pump, wherein an inner shell component (12) is arranged in a cylinder body component (11), a rear pump cover sealing gasket (13) is arranged in a sealing groove of a rear pump cover (15), the rear pump cover (15) is arranged at the right end of the cylinder body component (11), and the rear pump cover (15), the inner shell component (12) and the cylinder body component (11) are pressed and fixed together by a rear pump cover nut (16), a rear pump cover stud (17) and a gasket (18); a balance bush member (21) mounted on the inner housing member (12); a rear pump cover sealing gasket (14) is arranged in a sealing groove of a non-driving end sealing box body (19), and the non-driving end sealing box body (19) is arranged on a rear pump cover (15); the utility model discloses widen the selection range of bearing body part, changed bearing body part stress state, strengthened the support intensity of bearing body part, promoted the stability of descaling water pump operation.

Description

High-pressure descaling water pump for sealing box body
Technical Field
The utility model relates to a water pump especially relates to a sealed letter body high pressure descaling water pump.
Background
The high-pressure descaling water pump is a horizontal multistage centrifugal water pump, a sealing box body of the high-pressure descaling water pump used in the current market is a structure that a lower semicircle and a semicircular bearing body part are fixed together, the strength of the sealing box body is insufficient, and the problem of overlarge pump vibration value is easily caused. The high-pressure descaling water pump medium contains solid particles, and the traditional sealing box body is designed into a straight cylinder shape. This design is prone to clogging of the mechanical seal spring element, causing abnormal failure of the mechanical seal.
In order to solve the above problems, it is necessary to develop a sealing box body which has sufficient strength in a full circle and can avoid the blockage of the mechanical sealing elastic element.
Disclosure of Invention
An object of the utility model is to provide a sealed letter body high pressure descaling water pump, the utility model discloses the sealed letter body of water pump adopts the setting of awl section of thick bamboo type design and blowoff hole, has prevented mechanical seal elastic element effectively and has blockked up, has prolonged mechanical seal's life-span, has guaranteed the continuity of descaling water pump operation.
The utility model aims at realizing through the following technical scheme:
a high-pressure descaling water pump with a sealed box body comprises a driving end bearing body part, a driving end stud, a driving end nut, a driving end sealed box body, a screw, a mechanical seal, a sealing ring, a stud, a nut, a sealing gasket, a cylinder body part, an inner shell part, a rear pump cover sealing gasket II, a rear pump cover part, a rear pump cover nut, a rear pump cover stud, a gasket, a non-driving end sealed box body, a non-driving end bearing body part and a balance lining part; the rear pump cover, the inner shell component and the barrel body component are pressed and fixed together by a rear pump cover nut, a rear pump cover stud and a gasket; a balance bush member mounted on the inner housing member; the sealing gasket of the rear pump cover is arranged in the sealing groove of the sealing box body of the non-driving end, and the sealing box body of the non-driving end is arranged on the rear pump cover; the sealing gasket and the sealing ring are arranged in the sealing groove of the driving end sealing box body, and the driving end sealing box body is arranged on the cylinder body component; the mechanical seal and the screw are respectively arranged on the drive end seal box body and the non-drive end seal box body; and adjusting the gap between the bearing body part of the driving end and the bearing body part of the non-driving end and the inner shell part, and fixing the bearing body part of the driving end and the bearing body part of the non-driving end on the sealing box body of the driving end and the sealing box body of the non-driving end by utilizing the stud of the driving end and the nut of the driving end respectively.
The high-pressure descaling water pump with the sealing box body is characterized in that four locking mechanical sealing slotted holes are formed in the sealing box body for the descaling water pump in the circumferential direction.
The sealing box body for the water pump adopts a cone cylinder shape.
The sealing box body is provided with a sewage draining hole at the bottom of a taper hole of a mechanical sealing end face.
The utility model has the advantages and effects that:
1. the utility model provides a problem that mechanical seal elastic element blockked up. The safe and stable operation of the high-pressure descaling water pump is ensured; the sealing box body is matched with a spigot, and is fixed with the barrel body part (the rear pump cover) through the stud and the nut, so that the concentricity of the sealing box body and the stator part is ensured, and the installation difficulty is reduced.
2. The utility model discloses sealed letter body adopts the design of whole circle, has widened the selection range of bearing body part, changes bearing body part stress state, has strengthened the support intensity of bearing body part, has promoted the stability of descaling water pump operation.
3. The utility model discloses four locking mechanical seal slotted holes that sealed letter body circumferencial direction was opened compare with the sealed letter body of semicircle, and locking mechanical seal is more convenient to be operated, has also strengthened the intensity of sealed letter body self, has guaranteed the reliability of descaling the water pump operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the high-pressure descaling water pump of the sealing box body of the utility model;
FIG. 2 is a schematic view of a non-drive end sealing letter component of the present invention;
figure 3 is a schematic view of the installation of the non-drive end sealing letter member of the present invention;
figure 4 is a schematic view of the drive end sealing box body component of the present invention;
figure 5 is the utility model discloses the sealed letter body component installation sketch map of drive end.
The components in the figure: the device comprises a driving end bearing body part 1, a driving end stud 2, a driving end nut 3, a driving end sealing box body 4, a screw 5, a mechanical seal 6, a sealing ring 7, a stud 8, a nut 9, a sealing gasket 10, a cylinder body part 11, an inner shell part 12, a rear pump cover sealing gasket 13, a rear pump cover sealing gasket II 14, a rear pump cover part 15, a rear pump cover nut 16, a rear pump cover stud 17, a gasket 18, a non-driving end sealing box body 19, a non-driving end bearing body part 20 and a balance lining part 21.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings.
The inner shell component 12 of the utility model is arranged inside the cylinder component 11 through a spigot by using a tool; the rear pump cover sealing gasket 13 is arranged in a sealing groove of the rear pump cover 15, the rear pump cover 15 is arranged at the right end of the cylinder body component 11 through a spigot, and the rear pump cover 15, the inner shell component 12 and the cylinder body component 11 are compressed and fixed together by utilizing a rear pump cover nut 16, a rear pump cover stud 17 and a gasket 18. The balance liner member 21 is mounted on the inner housing member 12. The rear pump cover sealing gasket 14 is arranged in a sealing groove of the non-driving-end sealing box body 19, the non-driving-end sealing box body 19 is arranged on the rear pump cover 15 through a spigot, and the stud 8 and the nut 9 are screwed tightly. The sealing gasket 10 and the sealing ring 7 are arranged in the sealing groove of the driving end sealing box body 4, the driving end sealing box body 4 is arranged on the cylindrical body part 11 through the spigot, and the stud 8 and the nut 9 are screwed. The mechanical seal 6 and the screw 5 are respectively arranged on the drive end seal letter body 4 and the non-drive end seal letter body 19; the driving end bearing body part 1 and the non-driving end bearing body part 20 are adjusted to be in clearance with the inner shell part 12, the driving end stud 2 and the driving end nut 3 are used for fixing the driving end bearing body part 1 and the non-driving end bearing body part 20 on the driving end sealing box body 4 and the non-driving end sealing box body 19 respectively, and the driving end bearing body part and the non-driving end bearing body part are screwed through the screw 5. The high-pressure descaling water pump sealing box body adopts a matching group of H7/H6.
Four locking mechanical seal slotted holes (non-straight through holes) are formed in the circumferential direction of the sealing box body for the descaling water pump, so that the mechanical seal can be installed and locked to increase the strength of the sealing box body. The sealing box body for the water pump adopts a conical barrel design, changes the fluid flowing form and prevents the mechanical sealing elastic element from being blocked. A drain hole is additionally formed in the bottom of a taper hole, far away from the mechanical sealing end face, of the sealing box body, and the possibility of blocking of the mechanical sealing elastic element is reduced. The sealing box body is matched with a spigot, and is fixed with the barrel body part (the rear pump cover) through the stud and the nut, so that the concentricity of the sealing box body and the stator part is ensured, and the installation difficulty is reduced. The sealing box body adopts a full circle design, so that the selection range of the bearing body component is widened, the stress state of the bearing body component is changed, the supporting strength of the bearing body component is enhanced, and the running stability of the descaling water pump is improved. Four locking mechanical seal slotted holes that sealed letter body circumferencial direction was opened compare with the sealed letter body of semicircle, and locking mechanical seal is more convenient to be operated, has also strengthened the intensity of sealed letter body self, has guaranteed the reliability of descaling water pump operation. The sealing box body adopts the conical barrel type design and the arrangement of the sewage discharge hole, so that the blocking of the mechanical sealing elastic element is effectively prevented, the service life of the mechanical seal is prolonged, and the operation continuity of the descaling water pump is ensured.

Claims (4)

1. A high-pressure descaling water pump with a sealed box body is characterized by comprising a driving end bearing body part (1), a driving end stud (2), a driving end nut (3), a driving end sealed box body (4), a screw (5), a mechanical seal (6), a seal ring (7), a stud (8), a nut (9) sealing gasket (10), a cylinder body part (11), an inner shell part (12), a rear pump cover sealing gasket (13), a rear pump cover sealing gasket II (14), a rear pump cover part (15), a rear pump cover nut (16), a rear pump cover stud (17), a gasket (18), a non-driving end sealed box body (19), a non-driving end bearing body part (20) and a balance lining part (21); an inner shell component (12) is arranged in a cylinder body component (11), a rear pump cover sealing gasket (13) is arranged in a sealing groove of a rear pump cover component (15), the rear pump cover component (15) is arranged at the right end of the cylinder body component (11), and the rear pump cover component (15), the inner shell component (12) and the cylinder body component (11) are compressed and fixed together by a rear pump cover nut (16), a rear pump cover stud (17) and a gasket (18); a balance bush member (21) mounted on the inner housing member (12); a second sealing gasket (14) of the rear pump cover is arranged in a sealing groove of a sealing box body (19) at the non-driving end, and the sealing box body (19) at the non-driving end is arranged on the rear pump cover component (15); a sealing gasket (10) and a sealing ring (7) are arranged in a sealing groove of the driving end sealing box body (4), and the driving end sealing box body (4) is arranged on the cylinder body component (11); the mechanical seal (6) and the screw (5) are respectively arranged on the drive end seal box body (4) and the non-drive end seal box body (19); the driving end bearing body part (1) and the non-driving end bearing body part (20) are adjusted to be in clearance with the inner shell body part (12), and the driving end stud (2) and the driving end nut (3) are used for fixing the driving end bearing body part (1) and the non-driving end bearing body part (20) on the driving end sealing box body (4) and the non-driving end sealing box body (19) respectively.
2. The high pressure descaling water pump of claim 1 wherein the descaling water pump has four locking mechanical seal slots circumferentially formed in the sealing box.
3. The high pressure descaling water pump of claim 1 wherein the gland body for the water pump is in the shape of a cone.
4. The high pressure descaling water pump of claim 1 wherein the sealing box has a drain hole at the bottom of the tapered hole of the mechanical sealing end.
CN202221277703.5U 2022-05-26 2022-05-26 High-pressure descaling water pump for sealing box body Active CN217440351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221277703.5U CN217440351U (en) 2022-05-26 2022-05-26 High-pressure descaling water pump for sealing box body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221277703.5U CN217440351U (en) 2022-05-26 2022-05-26 High-pressure descaling water pump for sealing box body

Publications (1)

Publication Number Publication Date
CN217440351U true CN217440351U (en) 2022-09-16

Family

ID=83221570

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221277703.5U Active CN217440351U (en) 2022-05-26 2022-05-26 High-pressure descaling water pump for sealing box body

Country Status (1)

Country Link
CN (1) CN217440351U (en)

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