Corrosion-resistant temperature-resistant mechanical sealing shaft sleeve for pump

Abstract

The utility model discloses a corrosion-resistant temperature-resistant mechanical sealing shaft sleeve for a pump, and relates to the technical field of shaft sleeves. The corrosion-resistant temperature-resistant mechanical sealing shaft sleeve for the pump comprises a driving shaft, two groups of annular mounting plates and a linkage structure, the annular mounting plates are distributed left and right, a sealing shaft sleeve is fixedly mounted between the two groups of annular mounting plates, and the driving shaft is inserted into the annular mounting plates and the sealing shaft sleeve; six groups of cylindrical openings which are annularly distributed at equal intervals are formed in the annular mounting plate, connecting rods are arranged in the cylindrical openings, fan blades are fixedly mounted on the outer walls of the connecting rods, an annular convex ring is arranged on the annular mounting plate, key bars are arranged on the annular convex ring, and the linkage structure is arranged on the annular convex ring and the connecting rods. According to the corrosion-resistant, temperature-resistant and resistant mechanical sealing shaft sleeve for the pump, rotation of the six sets of fan blades can be driven through rotation of the driving shaft during use, gas can be blown out conveniently, heat generated by the sealing shaft sleeve can be blown away conveniently, and the temperature of the sealing shaft sleeve during use can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeves, and particularly relates to a mechanically sealed shaft sleeve for a pump with corrosion resistance, temperature resistance and heat resistance. Background Art

[0002] A water pump shaft sleeve of Chinese Patent Document CN207470480U includes a sleeve body and a deflector; the sleeve body is integrally formed and its material is stainless steel; the sleeve body includes a first section and a second section, and the outer diameter of the second section is greater than that of the first section; the deflector is arranged on the outer peripheral surface of the second section, and it is a convex structure surrounding the second section. One end of the convex structure away from the first section is arc-shaped and seamlessly connects the outer peripheral surface of the second section through the arc surface. The utility model solves the problems of poor anti-cavitation ability of the traditional water pump shaft sleeve and easy looseness between the components, and solves the problem of poor flow guiding effect of the traditional water pump shaft sleeve.

[0003] For the above-mentioned water pump shaft sleeve, the friction generated during the long-term operation of the driving shaft will cause the shaft sleeve to heat up, and the shaft sleeve is prone to damage due to excessive temperature for a long time. Therefore, a mechanically sealed shaft sleeve for a pump with corrosion resistance, temperature resistance and heat resistance is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a mechanically sealed shaft sleeve for a pump with corrosion resistance, temperature resistance and heat resistance, which can solve the problem that the friction generated during the long-term operation of the driving shaft will cause the shaft sleeve to heat up, and the shaft sleeve is prone to damage due to excessive temperature for a long time.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A mechanically sealed shaft sleeve for a pump with corrosion resistance, temperature resistance and heat resistance includes a driving shaft, a circular mounting plate and a linkage structure. The number of circular mounting plates is two and they are distributed left and right. A sealed shaft sleeve is fixedly installed between the two circular mounting plates. The driving shaft is inserted into the circular mounting plate and the sealed shaft sleeve. Six circularly equally spaced cylindrical openings are provided on the circular mounting plate. A connecting rod is arranged inside the cylindrical opening. A fan blade is fixedly installed on the outer wall of the connecting rod. A circular convex ring is arranged on the circular mounting plate. A key bar is arranged on the circular convex ring. The linkage structure is arranged on the circular convex ring and the connecting rod, and the linkage structure is used for air-cooling and heat dissipation of the sealed shaft sleeve.

[0006] Preferably, the sealed shaft sleeve is composed of an outer sleeve body and a corrosion-resistant sleeve, and the corrosion-resistant sleeve is fixedly installed on the inner wall of the outer sleeve body.

[0007] Preferably, six circularly equally spaced heat dissipation holes are provided on the outer sleeve body, and the heat dissipation holes are communicated with the inside of the cylindrical opening.

[0008] Preferably, an annular convex groove is formed in the annular mounting plate, the annular convex ring is slidably mounted in the annular convex groove, there are two groups of key bars which are vertically arranged, two groups of key grooves which are vertically distributed are formed on the right side of the driving shaft, and the key bars are inserted into the key grooves, which is convenient for driving the rotation of the annular convex ring.

[0009] Preferably, a circular ring opening communicating with the annular convex groove is formed in the annular mounting plate, a ball is movably mounted on the annular convex ring, and the ball is located in the circular ring opening, making the rotation of the annular convex ring smoother.

[0010] Preferably, a bearing seat is fixedly mounted on the annular mounting plate, the bearing seat is located on the left inner wall of the cylindrical opening, and the connecting rod is in interference fit with the bearing seat.

[0011] Preferably, the linkage structure includes an external gear ring and a driving gear. An annular opening is formed in the annular mounting plate, the annular opening communicates with the annular convex groove and six cylindrical openings, the external gear ring is fixedly mounted on the right side of the annular convex ring, one end of the connecting rod extends into the annular opening and is fixedly connected with the driving gear, and the six driving gears are all meshed with the external gear ring.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1). For the corrosion-resistant, temperature-resistant mechanical seal shaft sleeve for pumps, through the combined use of balls, heat dissipation holes, bearing seats, annular convex rings, key bars, external gear rings, driving gears, cylindrical openings, connecting rods and fan blades, when in use, the rotation of the driving shaft can be utilized to drive the rotation of the six fan blades, which is convenient for blowing out gas and removing the heat generated by the seal shaft sleeve, achieving the effect of air-cooled heat dissipation, reducing the temperature of the seal shaft sleeve during use, reducing the phenomenon of damage to the seal shaft sleeve, and improving the temperature resistance quality and practicability of the shaft sleeve.

[0014] (2). For the corrosion-resistant, temperature-resistant mechanical seal shaft sleeve for pumps, through the settings of the outer sleeve body and the corrosion-resistant sleeve, not only does the shaft sleeve have a good corrosion resistance effect, but also the shaft sleeve has good sealing performance, preventing the phenomenon of being corroded and damaged, and improving the use reliability of the shaft sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further illustrates the present utility model in conjunction with the drawings and embodiments:

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is for the present utility model Figure 1 The enlarged view of part A in;

[0018] Figure 3 is the front view of the present utility model.

[0019] Reference numerals: 1, annular mounting plate; 2, sealing shaft sleeve; 21, outer sleeve body; 22, corrosion-resistant sleeve; 3, ball; 4, drive shaft; 5, heat dissipation holes; 6, bearing seat; 7, annular convex ring; 8, key strip; 9, linkage structure; 91, external gear ring; 92, drive gear; 10, cylindrical opening; 11, connecting rod; 12, fan blade. Detailed implementation manners

[0020] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0021] Please refer to Figures 1-3 , the present invention provides a technical solution: a corrosion-resistant, temperature-resistant mechanical seal shaft sleeve for a pump, including a drive shaft 4, an annular mounting plate 1 and a linkage structure 9. The number of the annular mounting plates 1 is two and they are distributed left and right. A sealing shaft sleeve 2 is fixedly installed between the two annular mounting plates 1. The drive shaft 4 is inserted into the interiors of the annular mounting plate 1 and the sealing shaft sleeve 2. Six cylindrical openings 10 are formed in the annular mounting plate 1 and are distributed annularly and equidistantly. A connecting rod 11 is arranged inside the cylindrical opening 10. A fan blade 12 is fixedly installed on the outer wall of the connecting rod 11. An annular convex ring 7 is arranged on the annular mounting plate 1. A key strip 8 is arranged on the annular convex ring 7. The linkage structure 9 is arranged on the annular convex ring 7 and the connecting rod 11, and the linkage structure 9 is used for air-cooling and dissipating heat of the sealing shaft sleeve 2.

[0022] The sealing shaft sleeve 2 is composed of an outer sleeve body 21 and a corrosion-resistant sleeve 22. The corrosion-resistant sleeve 22 is fixedly installed on the inner wall of the outer sleeve body 21, not only making the shaft sleeve have good corrosion resistance, but also having good sealing performance for the shaft sleeve, preventing the phenomenon of being corroded and damaged, and improving the use reliability of the shaft sleeve. Six heat dissipation holes 5 are formed in the outer sleeve body 21 and are distributed annularly and equidistantly. The heat dissipation holes 5 are communicated with the interior of the cylindrical opening 10. An annular convex groove is formed in the annular mounting plate 1. The annular convex ring 7 is slidably installed in the annular convex groove. The number of the key strips 8 is two and they are arranged vertically. Two key grooves are formed in the right side of the drive shaft 4 and are distributed up and down. The key strip 8 is inserted into the key groove. An annular opening is formed in the annular mounting plate 1 and is communicated with the annular convex groove. A ball 3 is movably installed on the annular convex ring 7. The ball 3 is located in the annular opening. A bearing seat 6 is fixedly installed on the annular mounting plate 1. The bearing seat 6 is located on the left inner wall of the cylindrical opening 10. The connecting rod 11 is in interference fit with the bearing seat 6.

[0023] The linkage structure 9 includes an external gear ring 91 and a driving gear 92. An annular opening is formed in the annular mounting plate 1. The annular opening is communicated with the annular convex groove and the six groups of cylindrical openings 10. The external gear ring 91 is fixedly installed on the right side of the annular convex ring 7. One end of the connecting rod 11 extends into the annular opening and is fixedly connected to the driving gear 92. The six groups of driving gears 92 are all meshed with the external gear ring 91. Install the two annular mounting plates 1 at appropriate positions respectively, and then insert the driving shaft 4 onto the two key bars 8. When the driving shaft 4 rotates, it drives the rotation of the annular convex ring 7 and the external gear ring 91 through the key bar 8. The external gear ring 91 drives the rotation of the driving gear 92 through meshing, and then drives the rotation of the connecting rod 11 and the fan blade 12 through the driving gear 92. The rotation of the fan blade 12 generates wind and blows it into the heat dissipation holes 5, so as to cool the sealing shaft sleeve 2. It can drive the rotation of the six groups of fan blades 12 by the rotation of the driving shaft 4 during use, which is convenient for blowing out gas and removing the heat generated by the sealing shaft sleeve 2, realizing the effect of air-cooled heat dissipation, reducing the temperature of the sealing shaft sleeve 2 during use, reducing the phenomenon of damage to the sealing shaft sleeve 2, and improving the temperature resistance quality and practicability of the shaft sleeve.

[0024] Working principle: Install the two annular mounting plates 1 at appropriate positions respectively, and then insert the driving shaft 4 onto the two key bars 8. When the driving shaft 4 rotates, it drives the rotation of the annular convex ring 7 and the external gear ring 91 through the key bar 8. The external gear ring 91 drives the rotation of the driving gear 92 through meshing, and then drives the rotation of the connecting rod 11 and the fan blade 12 through the driving gear 92. The rotation of the fan blade 12 generates wind and blows it into the heat dissipation holes 5, so as to cool the sealing shaft sleeve 2.

[0025] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. A corrosion-resistant, temperature-resistant mechanical seal shaft sleeve for a pump, characterized in that, Including: Drive shaft (4); Ring-shaped mounting plates (1), two in number and distributed left and right. A sealing shaft sleeve (2) is fixedly installed between the two ring-shaped mounting plates (1). The drive shaft (4) is inserted into the interiors of the ring-shaped mounting plates (1) and the sealing shaft sleeve (2). Six cylindrical openings (10) are provided on the ring-shaped mounting plates (1) and are equally distributed in a ring. A connecting rod (11) is arranged inside the cylindrical opening (10). A fan blade (12) is fixedly installed on the outer wall of the connecting rod (11). A ring-shaped convex ring (7) is provided on the ring-shaped mounting plate (1), and a key bar (8) is provided on the ring-shaped convex ring (7); Linkage structure (9), which is arranged on the ring-shaped convex ring (7) and the connecting rod (11), and the linkage structure (9) is used for air-cooling the sealing shaft sleeve (2).

2. The mechanical seal shaft sleeve for a pump with corrosion resistance and temperature resistance according to claim 1, characterized in that: The sealing shaft sleeve (2) is composed of an outer sleeve body (21) and a corrosion-resistant sleeve (22), and the corrosion-resistant sleeve (22) is fixedly installed on the inner wall of the outer sleeve body (21).

3. A mechanical seal shaft sleeve for a pump with corrosion resistance and temperature resistance, characterized in that: Six heat dissipation holes (5) are provided on the outer sleeve body (21) and are equally distributed in a ring. The heat dissipation holes (5) communicate with the interior of the cylindrical opening (10).

4. A mechanical seal shaft sleeve for a pump with corrosion resistance, temperature resistance, and wear resistance, characterized in that: A ring-shaped convex groove is provided on the ring-shaped mounting plate (1), and the ring-shaped convex ring (7) is slidably installed in the ring-shaped convex groove. The key bars (8) are two in number and are vertically arranged. Two key grooves are provided on the right side of the drive shaft (4) and are distributed up and down. The key bars (8) are inserted into the key grooves.

5. A mechanical seal shaft sleeve for a pump that is corrosion-resistant, temperature-resistant, and wear-resistant, characterized in that: A circular ring opening communicating with the ring-shaped convex groove is provided on the ring-shaped mounting plate (1), and a ball (3) is movably installed on the ring-shaped convex ring (7), and the ball (3) is located inside the circular ring opening.

6. A mechanically sealed shaft sleeve for a pump with corrosion and temperature resistance, characterized in that: A bearing seat (6) is fixedly installed on the ring-shaped mounting plate (1), and the bearing seat (6) is located on the left inner wall of the cylindrical opening (10). The connecting rod (11) is in interference fit with the bearing seat (6).

7. A mechanical seal shaft sleeve for a pump with corrosion resistance and temperature resistance, characterized in that: The linkage structure (9) includes an external gear ring (91) and a driving gear (92). A ring-shaped opening is provided on the ring-shaped mounting plate (1), and the ring-shaped opening communicates with the ring-shaped convex groove and the six cylindrical openings (10). The external gear ring (91) is fixedly installed on the right side of the ring-shaped convex ring (7). One end of the connecting rod (11) extends into the ring-shaped opening and is fixedly connected to the driving gear (92). The six driving gears (92) are all meshed with the external gear ring (91).

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