CN209959483U - Shielding pump - Google Patents
Shielding pump Download PDFInfo
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- CN209959483U CN209959483U CN201920457142.9U CN201920457142U CN209959483U CN 209959483 U CN209959483 U CN 209959483U CN 201920457142 U CN201920457142 U CN 201920457142U CN 209959483 U CN209959483 U CN 209959483U
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- annular
- strip
- bearing
- impeller
- butted
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Abstract
The utility model discloses a canned motor pump, the technical scheme main points are that graphite bearing sleeves are sleeved outside both ends of a bearing, a bearing seat is arranged outside the graphite bearing sleeves, the bearing seat is fixedly connected with a machine seat through screws, a seal sleeve which is butted with a graphite shaft sleeve measuring end and has an inverted concave cross section is sleeved outside an impeller, an annular convex strip which is butted with the inner wall of the seal sleeve and is butted with the impeller is arranged on the impeller, a screw which is used for fixing the seal sleeve on the bearing seat is arranged on the seal sleeve, an annular convex ring is arranged on the bearing seat and butted with the outer part of the seal sleeve, an annular gap is arranged on the end surface of the butted end of the seal sleeve and the bearing seat, an elastic rubber sheet is filled on the annular gap, a layer of film is attached on the surface of the elastic rubber sheet, a raised separation strip is formed on the surface of the elastic rubber sheet, the separation strip is in a, an object of the utility model is to provide a canned motor pump that leakproofness is high, and bearing capacity is strong.
Description
Technical Field
The utility model relates to a liquid delivery pump class technical field, more specifically say, it relates to a canned motor pump.
Background
The canned motor pump is characterized in that a rotor of a motor and an impeller of the pump are fixed together by using the same shaft, then the rotor of the motor and the impeller of the pump are shielded by using a canned sleeve, a stator of the motor surrounds the canned sleeve, the canned sleeve is made of metal, so that power can be transmitted to the rotor through a magnetic force field, the whole rotor runs in pumped liquid, the end part of the canned sleeve is statically sealed by a flange or a welded structure, and the canned sleeve is actually a pressure container.
With the progress of society, people have higher and higher requirements on the canned motor pump, and the sealing property of the canned motor pump is tested.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a canned motor pump that leakproofness is high.
In order to achieve the above purpose, the utility model provides a following technical scheme: a canned pump comprises a pump body, a base fixedly connected with the pump body, and a rotor arranged in the base, wherein the bottom of the pump body is provided with a base connected through a bolt, the pump body is internally provided with an impeller, the base is internally provided with a bearing penetrating through the impeller, two ends of the bearing are externally sleeved with graphite bearing sleeves, the graphite bearing sleeves are externally provided with bearing seats, the bearing seats are fixedly connected with the base through screws, the impeller is externally sleeved with a sealing sleeve which is butted with a graphite shaft measuring sleeve end and has an inverted concave cross section, the impeller is provided with an annular convex strip butted with the inner wall of the sealing sleeve, the sealing sleeve is provided with a screw rod for fixing the sealing sleeve on the bearing seat, the bearing seats are provided with annular convex rings butted with the outside of the sealing sleeve, the end surface of the abutting end of the sealing sleeve and the bearing seats is provided with annular gaps, the elastic rubber sheet surface is attached with a layer of film, the elastic rubber sheet surface is formed with a raised separation strip, the separation strip is V-shaped, and a cross rod is arranged in a V-shaped groove of the separation strip.
Through adopting above-mentioned technical scheme, setting through the seal cover in the middle of through, the cooperation is connected the bearing frame and is makeed to carry out through the screw rod and connect, realize preliminary sealing, and through the breach design at seal cover and bearing frame conflict part, utilize the elastic rubber piece to carry out secondary seal, and through the elastic rubber piece separation strip that forms the uplift on the surface, this separation strip is V word shape, the V inslot of separation strip is equipped with the horizontal pole, when revolving through the screw rod, extrude separation strip, then the separation strip of V word expands to both sides, then expose the horizontal pole, carry out middle three seals and form good sealing to the whole body.
The utility model discloses further set up to: be equipped with first annular strip on the annular bulge loop outer wall, first annular strip is equipped with the bar annular with seal cover conflict terminal surface, bar annular inner wall is equipped with the rubber strip.
Through adopting above-mentioned technical scheme, design on first annular strip through the bar annular groove for in the extrusion, can form two limits and carry out the separation, and play sealed effect, and cooperate through the rubber strip in the bar annular groove, further realize sealing.
The utility model discloses further set up to: the other end of the connecting end of the annular convex strip and the impeller is provided with a circular ring with a semicircular cross section, the width of the circular ring is larger than that of the annular convex strip, and the circular ring is made of rubber.
Through adopting above-mentioned technical scheme, the nature of the material through the ring possesses certain elasticity for the ring can be out of shape in conflicting, and the more severe that warp, it is sealed firm more with the seal cover inner wall, and area of contact also can be because extruded severity, and it is more abundant to become area of contact, thereby the leakproofness becomes strong, and the rubber material adopts silica gel glue with metal accessories connected mode to be connected.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a part a of the present invention.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 2.
A canned motor pump comprises a pump body 201, a base 301 fixedly connected with the pump body 201, and a rotor arranged in the base 301, wherein the bottom of the pump body 201 is provided with a base 101 connected through a bolt 1011, an impeller 501 is arranged in the pump body 201, a bearing 701 penetrating through the impeller 501 is arranged in the base 301, graphite bearing sleeves 303 are sleeved outside two ends of the bearing 701, a bearing seat 302 is arranged outside the graphite bearing sleeve 303, the bearing seat 302 is fixedly connected with the base 301 through a screw 103, a gland cover 601 which is butted with a sleeve end of a graphite shaft and has an inverted concave cross section is sleeved outside the impeller 501, an annular convex strip 202 butted with the inner wall of the gland cover 601 is arranged on the impeller 501, a screw 102 used for fixing the gland cover on the bearing seat 302 is arranged on the gland cover 601, an annular convex ring 503 is arranged on the bearing seat 302, the annular convex ring 503 is arranged outside the gland cover 601, an annular notch is arranged on the end face of the, the annular gap is filled with an elastic rubber sheet 401, the surface of the elastic rubber sheet 401 is attached with a layer of film, a raised barrier strip 402 is formed on the surface of the elastic rubber sheet 401, the barrier strip 402 is in a V shape, and a cross rod 403 is arranged in a V groove of the barrier strip 402.
Through adopting above-mentioned technical scheme, setting through middle seal cover 601, the cooperation is connected bearing frame 302 and is makeed to connect through screw rod 102, realize preliminary sealing, and through the breach design at seal cover 601 and bearing frame 302 conflict part, utilize elastic rubber piece 401 to carry out secondary seal, and through elastic rubber piece 401 on the surface separation strip 402 that forms the uplift, this separation strip 402 is V font shape, the V inslot of separation strip 402 is equipped with horizontal pole 403, when revolving wrong through screw rod 102, extrude separation strip 402, then the separation strip 402 of V font expands to both sides, then expose horizontal pole 403, carry out middle three seals and form good sealing to the whole body.
The utility model discloses further set up to: be equipped with first annular strip 501 on the annular bulge loop 503 outer wall, first annular strip 501 is equipped with the bar annular with seal cover 601 conflict terminal surface, bar annular inner wall is equipped with rubber strip 502.
Through adopting above-mentioned technical scheme, design on first annular strip 501 through the bar annular groove for in the extrusion, can form two limits and carry out the separation, and play sealed effect, and cooperate through the rubber strip 502 in the bar annular groove, further realize sealing.
The utility model discloses further set up to: the other end of the connecting end of the annular convex strip 202 and the impeller 501 is provided with a circular ring 203 with a semicircular section, the width of the circular ring 203 is larger than that of the annular convex strip 202, and the circular ring 203 is made of rubber.
Through adopting above-mentioned technical scheme, the nature of the material through ring 203 possesses certain elasticity for ring 203 can be out of shape in the conflict, and the more severe that warp, it is sealed firm more with seal cover 601 inner wall, and area of contact also can be because extruded severity, and it is more abundant to become area of contact, thereby the leakproofness becomes strong, and the rubber material adopts silica gel glue with metal accessories connected mode to be connected.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (3)
1. The utility model provides a canned pump, includes the pump body, with pump body fixed link's frame, place the rotor in the frame in, characterized by in: the bottom of the pump body is provided with a base connected through a bolt, the pump body is internally provided with an impeller, the base is internally provided with a bearing penetrating through the impeller, two ends of the bearing are externally sleeved with graphite bearing sleeves, the graphite bearing sleeves are externally provided with bearing seats, the bearing seats are fixedly connected with the base through screws, the impeller is externally sleeved with a sealing sleeve which is butted with a sleeve measuring end of a graphite shaft and has an inverted concave cross section, the impeller is provided with an annular convex strip butted with the inner wall of the sealing sleeve, the sealing sleeve is provided with a screw rod for fixing the sealing sleeve on the bearing seats, the bearing seats are provided with annular convex rings butted with the outer parts of the sealing sleeve, the end surface of the abutting end of the sealing sleeve and the bearing seats is provided with an annular gap, the annular gap is filled with an elastic rubber sheet, the surface of the elastic rubber sheet is attached with a, the barrier strip is V-shaped, and a cross rod is arranged in a V groove of the barrier strip.
2. The canned pump of claim 1, wherein: be equipped with first annular strip on the annular bulge loop outer wall, first annular strip is equipped with the bar annular with seal cover conflict terminal surface, bar annular inner wall is equipped with the rubber strip.
3. The canned pump of claim 2, wherein: the other end of the connecting end of the annular convex strip and the impeller is provided with a circular ring with a semicircular cross section, the width of the circular ring is larger than that of the annular convex strip, and the circular ring is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457142.9U CN209959483U (en) | 2019-04-04 | 2019-04-04 | Shielding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457142.9U CN209959483U (en) | 2019-04-04 | 2019-04-04 | Shielding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959483U true CN209959483U (en) | 2020-01-17 |
Family
ID=69241966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457142.9U Active CN209959483U (en) | 2019-04-04 | 2019-04-04 | Shielding pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959483U (en) |
-
2019
- 2019-04-04 CN CN201920457142.9U patent/CN209959483U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Building 2, no.283, SUIDA Road, suilun village, dushangang Town, Pinghu City, Jiaxing City, Zhejiang Province, 314204 Patentee after: Liuliu pump technology (Jiaxing) Co.,Ltd. Address before: Building 2, no.283, SUIDA Road, suilun village, dushangang Town, Pinghu City, Jiaxing City, Zhejiang Province, 314204 Patentee before: PINGHU BENLIU PUMP INDUSTRY MANUFACTURING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |