Single-stage pump capable of rapidly cooling bearing

Abstract

The utility model discloses a single-stage pump with a bearing capable of being rapidly cooled, and belongs to the technical field of single-stage pumps. A single-stage pump capable of rapidly cooling a bearing comprises a pump body and a heat dissipation sleeve, a motor connecting rod is arranged in the heat dissipation sleeve, one end of the motor connecting rod extends into the pump body, the pump body is connected with the heat dissipation sleeve through a flange, an input end is arranged on the outer side of the pump body, and an output end is arranged at the top of the pump body. A vortex cavity is formed in the pump body. In order to solve the problems that the running energy consumption of equipment is increased and the cooling efficiency of water cooling is reduced once a pump body runs for a long time when the external water cooling equipment is used for dissipating heat of a single-stage pump bearing, heat dissipation shaft grooves are designed in the two sides of the surface of a heat dissipation sleeve and extend inwards to a bearing connecting area of a connecting rod and the sleeve; once the internal temperature of the groove body rises, the groove body can exchange with external air flow to realize heat dissipation, and the power consumption of equipment is not increased while stable heat dissipation is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to single -stage pump technical field, concretely is single -stage pump of bearing quick cooling. BACKGROUND

[0002] The Chinese patent with the publication number CN221120442U discloses a single-stage pump bearing water cooling device, liquid cooled inside the S pipe is extracted by a water pump, enters the second water channel from the water inlet pipe, exchanges heat of the bearing body through the second heat conduction layer, the cooling water expands to the first water channel from the second water channel, realizes the cladding to the bearing body, carries out the cooling to the S pipe along the water outlet pipe, thereby realizes the recycling of the cooling water, continuously cools the bearing body, so that the bearing body can operate for a long time, guarantees the normal operation of the single-stage pump body.

[0003] In the above-mentioned patent, the external water cooling equipment is used to dissipate heat of the single-stage pump bearing, which will increase the energy consumption of the equipment operation, and the cooling efficiency of the water cooling will also decrease once the pump body operates for a long time. UTILITY MODEL CONTENTS

[0004] The utility model discloses a bearing quick cooling's single -stage pump, and the both sides of the surface of heat dissipation sleeve are designed with heat dissipation axle groove, and the heat dissipation axle groove extends to the bearing connecting area of connecting rod and sleeve inward, increases the contact area of bearing structure and external air, once the temperature of groove body is increased, will exchange with external air current and realize heat dissipation, realizes stable heat dissipation simultaneously and will not increase equipment power consumption, can solve the problem in the prior art.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a bearing quick cooling's single -stage pump, including pump body and heat dissipation sleeve, the inside of heat dissipation sleeve is provided with motor connecting rod, and one end of motor connecting rod extends to the inside of pump body, and the pump body is connected with heat dissipation sleeve through flange, and the outside of pump body is provided with input end, and the top of pump body is provided with output end, and the inside of pump body is provided with vortex chamber, and the both sides of heat dissipation sleeve are provided with heat dissipation axle groove, and heat dissipation sleeve is between pump body and drive motor, and the both sides of the surface of heat dissipation sleeve are designed with heat dissipation axle groove, and the heat dissipation axle groove extends to the bearing connecting area of connecting rod and sleeve inward, increases the contact area of bearing structure and external air, once the temperature of groove body is increased, will exchange with external air current and realize heat dissipation, realizes stable heat dissipation simultaneously and will not increase equipment power consumption.

[0006] Further, the inside of vortex chamber is provided with impeller, and the impeller is connected with motor connecting rod through bolt, and motor connecting rod drives the rotation of impeller, and the medium is extracted from input end into vortex chamber, and then is discharged through the output end at the top of pump body.

[0007] Furthermore, a limiting central axis is provided in the middle section of the motor connecting rod, and supporting bearings are provided on both sides of the limiting central axis, wherein the motor connecting rod is rotatably connected to the heat dissipation sleeve through the supporting bearings.

[0008] Furthermore, an impeller back plate is provided on one side of the impeller, and the impeller back plate is connected to the pump body through a flange, wherein an oil filling hole is provided on the outer surface of the impeller back plate, and lubricating oil can be injected into the installation area of ​​the motor connecting rod and the impeller back plate through the oil filling hole to improve the smoothness of the connecting rod operation.

[0009] Furthermore, a corrugated tube sheet is provided inside the impeller back plate, and the corrugated tube sheet is connected to the impeller back plate through a slot. An anti-vibration spring is provided on the outside of the corrugated tube sheet, and the anti-vibration spring is fitted with the motor connecting rod through the corrugated tube sheet. The corrugated tube sheet is sleeved between the motor connecting rod and the impeller back plate. During the rotation and transportation process, the impeller will be affected by the medium pressure, causing the impeller to deflect. The corrugated tube sheet not only plays a supporting role, but also cooperates with the anti-vibration spring on the outside to assist the impeller in absorbing the impact pressure from the medium and help the impeller to reset.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. In this utility model, the heat dissipation sleeve is located between the pump body and the drive motor, and heat dissipation shaft grooves are designed on both sides of the heat dissipation sleeve surface. The heat dissipation shaft grooves extend inward to the bearing connection area between the connecting rod and the sleeve, thereby increasing the contact area between the bearing structure and the external air. Once the temperature inside the groove body rises, it will exchange with the external air flow to achieve heat dissipation, achieving stable heat dissipation without increasing the power consumption of the equipment.

[0012] 2. In the present invention, the anti-seismic spring is fitted with the motor connecting rod through the corrugated tube segment, and the corrugated tube segment is sleeved between the motor connecting rod and the impeller back plate. During the rotation and transportation process, the impeller will be affected by the medium pressure, causing the impeller to deflect. While the corrugated tube segment plays a supporting role, it can cooperate with the anti-seismic spring on the outside to assist the impeller in absorbing the impact pressure from the medium and help the impeller to reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall front view of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall internal structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the motor connecting rod of the present utility model.

[0016] In the figure: 1. Pump body; 2. Heat dissipation sleeve; 3. Motor connecting rod; 101. Output end; 102. Input end; 103. Vortex chamber; 104. Oil filling hole; 105. Impeller back plate; 106. Corrugated tube segment; 1061. Anti-vibration spring; 201. Heat dissipation shaft groove; 202. Support bearing; 301. Impeller; 302. Limiting center axis. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] In order to solve the problem of using external water cooling equipment to dissipate heat for single-stage pump bearings, which will increase the energy consumption of the equipment and reduce the cooling efficiency of water cooling once the pump body runs for a long time; please refer to Figure 1-3 , the utility model provides the following solutions:

[0019] A single-stage pump with rapid bearing cooling comprises a pump body 1 and a heat dissipation sleeve 2. A motor connecting rod 3 is provided inside the heat dissipation sleeve 2. One end of the motor connecting rod 3 extends into the interior of the pump body 1. The pump body 1 and the heat dissipation sleeve 2 are connected by a flange. An input end 102 is provided on the outside of the pump body 1. An output end 101 is provided on the top of the pump body 1. A vortex cavity 103 is provided inside the pump body 1. A limited central axis 302 is provided in the middle section of the motor connecting rod 3. Support bearings 202 are provided on both sides of the limited central axis 302. 3 is rotatably connected to the heat dissipation sleeve 2 through the support bearing 202. Heat dissipation shaft grooves 201 are provided on both sides of the heat dissipation sleeve 2. The heat dissipation sleeve 2 is located between the pump body 1 and the drive motor. Heat dissipation shaft grooves 201 are designed on both sides of the surface of the heat dissipation sleeve 2. The heat dissipation shaft grooves 201 extend inward to the bearing connection area between the connecting rod and the sleeve, increasing the contact area between the bearing structure and the external air. Once the temperature inside the groove rises, it will exchange with the external air flow to achieve heat dissipation, achieving stable heat dissipation without increasing the power consumption of the equipment.

[0020] An impeller 301 is provided inside the vortex chamber 103 , and the impeller 301 is connected to the motor connecting rod 3 by bolts. The motor connecting rod 3 drives the impeller 301 to rotate, drawing the medium from the input end 102 into the vortex chamber 103 and then discharging it through the output end at the top of the pump body 1 .

[0021] An impeller back plate 105 is provided on one side of the impeller 301, and the impeller back plate 105 is connected to the pump body 1 through a flange, wherein an oil filling hole 104 is provided on the outer surface of the impeller back plate 105, through which lubricating oil can be injected into the installation area of ​​the motor connecting rod 3 and the impeller back plate 105, thereby improving the smoothness of the connecting rod operation.

[0022] Specifically, a corrugated tube sheet 106 is provided inside the impeller back plate 105, and the corrugated tube sheet 106 is connected to the impeller back plate 105 through a slot. An anti-seismic spring 1061 is provided on the outside of the corrugated tube sheet 106, and the anti-seismic spring 1061 is fitted with the motor connecting rod 3 through the corrugated tube sheet 106. The corrugated tube sheet 106 is sleeved between the motor connecting rod 3 and the impeller back plate 105. The impeller 301 will be affected by the medium pressure during the rotation and transportation process, causing the impeller 301 to deflect. The corrugated tube sheet 106, while playing a supporting role, can cooperate with the anti-seismic spring 1061 on the outside to assist the impeller 301 in absorbing the impact pressure from the medium and help the impeller 301 to reset.

[0023] Working principle: the motor connecting rod 3 drives the impeller 301 to rotate, draws the medium from the input end 102 into the vortex 103 cavity, and discharges it at the output end on the top of the pump body 1. The heat dissipation sleeve 2 is between the pump body 1 and the drive motor, and heat dissipation shaft grooves 201 are designed on both sides of the surface of the heat dissipation sleeve 2. The heat dissipation shaft grooves 201 extend inward to the bearing connection area of ​​the connecting rod and the sleeve, increasing the contact area between the bearing structure and the external air. Once the temperature inside the groove body rises, it will exchange with the external air flow to achieve heat dissipation, while achieving stable heat dissipation without increasing the power consumption of the equipment.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-stage pump with rapid bearing cooling, characterized in that: The invention comprises a pump body (1) and a heat dissipation sleeve (2), wherein a motor connecting rod (3) is provided inside the heat dissipation sleeve (2), one end of the motor connecting rod (3) extends into the interior of the pump body (1), the pump body (1) and the heat dissipation sleeve (2) are connected via a flange, an input end (102) is provided on the outside of the pump body (1), an output end (101) is provided on the top of the pump body (1), a vortex cavity (103) is provided inside the pump body (1), and heat dissipation shaft grooves (201) are provided on both sides of the heat dissipation sleeve (2).

2. A single-stage pump for rapid bearing cooling according to claim 1, characterized in that: An impeller (301) is provided inside the vortex chamber (103), and the impeller (301) is connected to the motor connecting rod (3) via bolts.

3. A single-stage pump for rapid bearing cooling according to claim 2, characterized in that: A limiting central axis (302) is provided in the middle section of the motor connecting rod (3), and supporting bearings (202) are provided on both sides of the limiting central axis (302), wherein the motor connecting rod (3) is rotatably connected to the heat dissipation sleeve (2) via the supporting bearings (202).

4. A single-stage pump for rapid bearing cooling according to claim 2, characterized in that: An impeller back plate (105) is provided on one side of the impeller (301), and the impeller back plate (105) is connected to the pump body (1) via a flange, wherein an oil filling hole (104) is provided on the outer surface of the impeller back plate (105).

5. The single-stage pump for rapid bearing cooling according to claim 4, characterized in that: A corrugated tube sheet (106) is provided inside the impeller back plate (105), the corrugated tube sheet (106) and the impeller back plate (105) are connected via a slot, an anti-vibration spring (1061) is provided on the outside of the corrugated tube sheet (106), and the anti-vibration spring (1061) is fitted with the motor connecting rod (3) via the corrugated tube sheet (106).

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