CN211950946U - Multi-step corrosion-resistant water pump transmission shaft - Google Patents
Multi-step corrosion-resistant water pump transmission shaft Download PDFInfo
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- CN211950946U CN211950946U CN202020040082.3U CN202020040082U CN211950946U CN 211950946 U CN211950946 U CN 211950946U CN 202020040082 U CN202020040082 U CN 202020040082U CN 211950946 U CN211950946 U CN 211950946U
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Abstract
The utility model relates to the technical field of water pump transmission shafts, and discloses a multi-step corrosion-resistant water pump transmission shaft, which comprises a pump body and a multi-step transmission shaft, wherein the output end of the pump body is fixedly connected with a power shaft, the outer side wall of the multi-step transmission shaft is uniformly coated with a corrosion-resistant coating, and the power shaft is connected with the multi-step transmission shaft through a dismounting mechanism; the dismouting mechanism includes two first semicylinders and the second semicylinder that the structure is the same, and first semicylinder fixed connection is at the tip of many steps transmission shaft, and second semicylinder fixed connection is at the tip of power shaft, and first semicylinder and the laminating setting of second semicylinder, the lower surface symmetry fixedly connected with bar cardboard of first semicylinder, the upper surface symmetry of second semicylinder seted up with bar cardboard assorted bar draw-in groove. The utility model discloses make the multi-step transmission shaft of water pump not only possess corrosion resistance, conveniently carry out the dismouting as required moreover and maintain.
Description
Technical Field
The utility model relates to a water pump transmission shaft technical field especially relates to a multi-step corrosion resistance water pump transmission shaft.
Background
Centrifugal water pumps are widely used in automobile engines. The basic structure of the automobile water pump consists of parts such as a water pump shell, a connecting disc or a belt pulley, a water pump shaft, a transmission shaft, a water pump impeller and a water seal device which are arranged on the transmission shaft, and the like, and is a main component of the automobile. The engine drives the water pump shaft to rotate through the belt pulley, the transmission shaft connected with the water pump shaft also rotates to drive the impeller to rotate, the cooling liquid in the water pump is driven by the impeller to rotate together, and is thrown to the edge of the water pump shell under the action of centrifugal force to generate certain pressure at the same time, and then flows out of the water outlet channel or the water pipe. The pressure of the center of the impeller is reduced due to the fact that the cooling liquid is thrown out, the cooling liquid in the water tank is sucked into the impeller through the water pipe under the action of the pressure difference between the water pump inlet and the center of the impeller, and reciprocating circulation of the cooling liquid is achieved.
The transmission shaft is usually connected to the water pump shaft through a shaft coupler or directly welded, but the existing shaft coupler is easy to loosen after being used for a long time, and is usually in interference fit and not easy to detach.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of inconvenient dismantlement maintenance between multi-step water pump transmission shaft and the water pump power shaft among the prior art, and the corrosion resistance water pump transmission shaft of a multi-step that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-step corrosion-resistant water pump transmission shaft comprises a pump body and a multi-step transmission shaft, wherein the output end of the pump body is fixedly connected with a power shaft, the outer side wall of the multi-step transmission shaft is uniformly coated with a corrosion-resistant coating, and the power shaft is connected with the multi-step transmission shaft through a dismounting mechanism;
the disassembling and assembling mechanism comprises a first semi-cylinder and a second semi-cylinder which have the same structure, the first semi-cylinder is fixedly connected with the end part of the multi-step transmission shaft, the second semi-cylinder is fixedly connected with the end part of the power shaft, the first semi-cylinder and the second semi-cylinder are jointed, the lower surface of the first semi-cylinder is symmetrically and fixedly connected with a strip-shaped clamping plate, the upper surface of the second semi-cylinder is symmetrically provided with strip-shaped clamping grooves matched with the strip-shaped clamping plates, the strip-shaped clamping plate is clamped with the strip-shaped clamping groove, external threads are arranged on the outer sides of the first semi-cylinder and the second semi-cylinder, the outer sides of the first semi-cylinder and the second semi-cylinder are sleeved with shaft sleeves together, and the inner wall of the shaft sleeve is provided with internal threads, the shaft sleeve is in threaded connection with the first semi-cylinder and the second semi-cylinder, and the shaft sleeve is in sliding sleeve connection with the end parts of the multi-step transmission shaft and the power shaft.
Preferably, the side walls at the two ends of the shaft sleeve are symmetrically and threadedly connected with positioning bolts, the side walls at the end parts of the multi-step transmission shaft and the power shaft are symmetrically provided with thread grooves matched with the positioning bolts, and the positioning bolts are threadedly connected with the thread grooves.
Preferably, the axes of the multi-step transmission shaft and the power shaft coincide.
Preferably, the matched rubber strip is arranged at the joint of the strip-shaped clamping plate and the notch of the strip-shaped clamping groove.
Preferably, the outer side wall of the multi-step transmission shaft is fixedly sleeved with a positioning ring, and the end part of the shaft sleeve is abutted to the positioning ring.
Compared with the prior art, the utility model provides a multi-step corrosion resistance water pump transmission shaft possesses following beneficial effect:
this multi-step corrosion resistance water pump transmission shaft, through setting up the pump body, multi-step transmission shaft, power shaft and dismouting mechanism, through coating corrosion resistant coating on the lateral wall of multi-step transmission shaft to guarantee the corrosion resistance of multi-step transmission shaft, improve life, dismouting mechanism makes things convenient for the dismouting between multi-step transmission shaft and the power shaft, has avoided the mode of coupling joint, makes the convenient dismouting maintenance that carries out as required of multi-step transmission shaft.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the multi-step transmission shaft of water pump not only possess corrosion resistance, conveniently carry out the dismouting as required moreover and maintain.
Drawings
Fig. 1 is a schematic structural view of a multi-step corrosion-resistant water pump transmission shaft provided by the present invention;
fig. 2 is a schematic structural view of a connecting portion between a first semi-cylinder and a second semi-cylinder of a multi-step corrosion-resistant water pump transmission shaft according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure: the pump comprises a pump body 1, a multi-step transmission shaft 2, a power shaft 3, a first semi-cylinder 4, a second semi-cylinder 5, a strip-shaped clamping plate 6, a strip-shaped clamping groove 7, a shaft sleeve 8, a positioning bolt 9, a thread groove 10 and a positioning ring 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a multi-step corrosion-resistant water pump transmission shaft comprises a pump body 1 and a multi-step transmission shaft 2, wherein an output end of the pump body 1 is fixedly connected with a power shaft 3, the outer side wall of the multi-step transmission shaft 2 is uniformly coated with a corrosion-resistant coating, and the power shaft 3 is connected with the multi-step transmission shaft 2 through a dismounting mechanism;
the dismounting mechanism comprises a first semi-cylinder 4 and a second semi-cylinder 5 which have the same structure, the first semi-cylinder 4 is fixedly connected with the end part of the multi-step transmission shaft 2, the second semi-cylinder 5 is fixedly connected with the end part of the power shaft 3, the first semi-cylinder 4 and the second semi-cylinder 5 are arranged in a laminating way, the lower surface of the first semi-cylinder 4 is symmetrically and fixedly connected with a strip-shaped clamping plate 6, the upper surface of the second semi-cylinder 5 is symmetrically provided with strip-shaped clamping grooves 7 matched with the strip-shaped clamping plate 6, the strip-shaped clamping plate 6 is clamped with the strip-shaped clamping grooves 7, the outer sides of the first semi-cylinder 4 and the second semi-cylinder 5 are both provided with external threads, the outer sides of the first semi-cylinder 4 and the second semi-cylinder 5 are both sleeved with a shaft sleeve 8, the inner wall of the shaft, and the shaft sleeve 8 is sleeved with the end parts of the multi-step transmission shaft 2 and the power shaft 3 in a sliding way, the outer side wall of the multi-step transmission shaft 2 is coated with a corrosion-resistant coating, so that the corrosion resistance of the multi-step transmission shaft 2 is ensured, the service life is prolonged, the shaft sleeve 8 which is in threaded connection with the first semi-cylinder 4 and the second semi-cylinder 5 is rotated, the shaft sleeve 8 is adjusted to the power shaft 3, the shaft sleeve 8 is separated from the first semi-cylinder 4 and the second semi-cylinder 5, the multi-step transmission shaft 2 connected with the first semi-cylinder 4 is separated from the power shaft 3 connected with the second semi-cylinder 5, the first semi-cylinder 4 on the multi-step transmission shaft 2 is attached to the second semi-cylinder 5 on the power shaft 3, the strip-shaped clamping plates 6 are clamped with the strip-shaped clamping grooves 7, the shaft sleeve 8 is rotated to be in threaded connection with the first semi-cylinder 4 and the second semi-cylinder 5, the multi-step transmission shaft 2 and the power shaft 3 are conveniently disassembled and assembled, a coupling connection mode is avoided, and the multi-step transmission shaft 2 is conveniently disassembled and assembled for maintenance as required.
Equal symmetrical threaded connection has positioning bolt 9 on the lateral wall at 8 both ends of axle sleeve, equal symmetry seted up on the tip lateral wall of multi-step transmission shaft 2 and power shaft 3 with positioning bolt 9 assorted thread groove 10, and positioning bolt 9 and thread groove 10 threaded connection, positioning bolt 9 of 8 both ends positions departments of axle sleeve respectively with step transmission shaft 2 and power shaft 3 on the thread groove 10 threaded connection to effectively improve the steadiness of being connected between multi-step transmission shaft 2 and the power shaft 3.
The axes of the multi-step transmission shaft 2 and the power shaft 3 are coincided, so that the power shaft 3 can drive the multi-step transmission shaft 2 to coaxially rotate.
The rubber strip that matches is installed to the junction of bar cardboard 6 and 7 notches of bar draw-in groove, improves the stability of block between bar cardboard 6 and the bar draw-in groove 7.
The outer side wall of the multi-step transmission shaft 2 is fixedly sleeved with a positioning ring 11, the end part of the shaft sleeve 8 is abutted to the positioning ring 11, and when the shaft sleeve 8 is abutted to the positioning ring 11, the positioning bolt 9 on the shaft sleeve 8 corresponds to the thread groove 10, so that the installation and the positioning are convenient and rapid.
In the utility model, the outer side wall of the multi-step transmission shaft 2 is coated with a corrosion-resistant coating, thereby ensuring the corrosion resistance of the multi-step transmission shaft 2, prolonging the service life, rotating the shaft sleeve 8 which is in threaded connection with the first semi-cylinder 4 and the second semi-cylinder 5, adjusting the shaft sleeve 8 to the power shaft 3, separating the shaft sleeve 8 from the first semi-cylinder 4 and the second semi-cylinder 5, separating the multi-step transmission shaft 2 connected with the first semi-cylinder 4 from the power shaft 3 connected with the second semi-cylinder 5, attaching the first semi-cylinder 4 on the multi-step transmission shaft 2 to the second semi-cylinder 5 on the power shaft 3, clamping the strip-shaped clamping plate 6 with the strip-shaped clamping groove 7, rotating the shaft sleeve 8, connecting the multi-step transmission shaft 2 and the power shaft 3 together by screw thread, the multi-step transmission shaft 2 and the power shaft 3 are conveniently disassembled and assembled, a coupling connection mode is avoided, and the multi-step transmission shaft 2 is conveniently disassembled and assembled for maintenance as required.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The multi-step corrosion-resistant water pump transmission shaft comprises a pump body (1) and a multi-step transmission shaft (2), and is characterized in that the output end of the pump body (1) is fixedly connected with a power shaft (3), the outer side wall of the multi-step transmission shaft (2) is uniformly coated with a corrosion-resistant coating, and the power shaft (3) is connected with the multi-step transmission shaft (2) through a dismounting mechanism;
the disassembly and assembly mechanism comprises a first semi-cylinder (4) and a second semi-cylinder (5) which are the same in structure, the first semi-cylinder (4) is fixedly connected with the end part of the multi-step transmission shaft (2), the second semi-cylinder (5) is fixedly connected with the end part of the power shaft (3), the first semi-cylinder (4) and the second semi-cylinder (5) are arranged in a laminating way, the lower surface of the first semi-cylinder (4) is symmetrically and fixedly connected with a bar-shaped clamping plate (6), the upper surface of the second semi-cylinder (5) is symmetrically provided with a bar-shaped clamping groove (7) matched with the bar-shaped clamping plate (6), the bar-shaped clamping plate (6) is clamped with the bar-shaped clamping groove (7), the outer sides of the first semi-cylinder (4) and the second semi-cylinder (5) are respectively provided with an external thread, and the outer sides of the first semi-cylinder (4) and the, and the inner wall of the shaft sleeve (8) is provided with internal threads, the shaft sleeve (8) is in threaded connection with the first semi-cylinder (4) and the second semi-cylinder (5), and the shaft sleeve (8) is in sliding sleeve connection with the end parts of the multi-step transmission shaft (2) and the power shaft (3).
2. The multi-step corrosion-resistant water pump transmission shaft according to claim 1, wherein the side walls of the two ends of the shaft sleeve (8) are symmetrically and threadedly connected with positioning bolts (9), the side walls of the ends of the multi-step transmission shaft (2) and the power shaft (3) are symmetrically provided with thread grooves (10) matched with the positioning bolts (9), and the positioning bolts (9) are threadedly connected with the thread grooves (10).
3. A multi-step corrosion resistant water pump drive shaft according to claim 1, wherein the axes of the multi-step drive shaft (2) and the power shaft (3) coincide.
4. The multi-step corrosion-resistant water pump transmission shaft of claim 1, wherein a matched rubber strip is arranged at the joint of the strip-shaped clamping plate (6) and the notch of the strip-shaped clamping groove (7).
5. The multi-step corrosion-resistant water pump transmission shaft according to claim 1, wherein a positioning ring (11) is fixedly sleeved on the outer side wall of the multi-step transmission shaft (2), and the end part of the shaft sleeve (8) is abutted against the positioning ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040082.3U CN211950946U (en) | 2020-01-09 | 2020-01-09 | Multi-step corrosion-resistant water pump transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020040082.3U CN211950946U (en) | 2020-01-09 | 2020-01-09 | Multi-step corrosion-resistant water pump transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950946U true CN211950946U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020040082.3U Active CN211950946U (en) | 2020-01-09 | 2020-01-09 | Multi-step corrosion-resistant water pump transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950946U (en) |
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2020
- 2020-01-09 CN CN202020040082.3U patent/CN211950946U/en active Active
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