Connecting shaft structure for vertical heat conduction oil pump
By designing a fastening seam and sliding groove structure in the vertical thermal oil pump and using lubricating oil to lubricate the coupling, the problems of complex coupling connection and insufficient lubrication in the vertical thermal oil pump are solved, achieving convenient installation and extended service life.
Patent Information
- Application Number
- CN202520565285.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-28
AI Technical Summary
In vertical thermal oil pumps, the coupling connecting the motor shaft and the pump shaft has a complex structure, high cost, and inconvenient installation and maintenance. Furthermore, the shaft and bushing lack effective lubrication channels, making them prone to wear and affecting their service life over long-term operation.
A shaft connection structure for a vertical thermal oil pump is designed. By setting fastening slots and grooves on the pump shaft, the fixing block is fixed to the output shaft with screws. Lubricating oil is lubricated through the grooves and lubrication slots, simplifying installation and maintenance and avoiding disassembly of the shaft connection structure.
It achieves simple fixing and lubrication of the motor output shaft and pump shaft, simplifies the installation and disassembly process, reduces wear, and extends the service life of the equipment.
Smart Images

Figure CN223908406U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat conducting oil pump technical field especially relates to a vertical heat conducting oil pump is with joint axle structure. BACKGROUND
[0002] Vertical heat conducting oil pump is a compact structure, small footprint, easy to maintain, widely used in petroleum, chemical, rubber, plastics, pharmaceutical, textile, printing and dyeing, road construction, food and other multiple industrial fields, mainly used for conveying solid particles containing weak corrosive high temperature liquid, the use temperature is less than or equal to 350 DEG C, is the ideal heat oil circulating pump.
[0003] At present, vertical heat conducting oil pump generally adopts various forms of shaft coupling to connect motor shaft and pump shaft, especially with diaphragm coupling, the structure of the motor shaft is relatively complex, the manufacturing cost is high, the diaphragm of the shaft coupling is damaged, and the installation, maintenance, disassembly and other operations are not convenient, and there is lack of effective lubrication channel between the shaft and the shaft sleeve, which can cause wear to increase during long-term operation, affect the service life, and the traditional lubrication method needs to disassemble the joint axle structure, which is complicated and easy to damage the parts.
[0004] Therefore, aiming at the above-mentioned problems that the current vertical heat conducting oil pump generally adopts various forms of shaft coupling to connect motor shaft and pump shaft, the structure is not convenient for installation, maintenance and disassembly, and there is lack of effective lubrication channel between the shaft and the shaft sleeve, which can cause wear to increase during long-term operation, affect the service life, and the traditional lubrication method needs to disassemble the joint axle structure, which is complicated and easy to damage the parts, a vertical heat conducting oil pump joint axle structure can be designed, the output shaft sleeve is connected in the inside of pump shaft one, the fixed block is inserted into the fastening slot, the lubricating oil is introduced into the sliding groove from the fastening slot, the fixed block and the output shaft are fixed by the screw, the lubricating oil can realize the lubrication effect of the device through the sliding groove, the lubricating oil slot one and the lubricating oil slot two, and the installation and maintenance are convenient. UTILITY MODEL CONTENTS
[0005] In order to overcome the problem that the current vertical heat conducting oil pump generally adopts various forms of shaft coupling to connect motor shaft and pump shaft, especially with diaphragm coupling, the structure of the motor shaft is relatively complex, the manufacturing cost is high, the diaphragm of the shaft coupling is damaged, and the installation, maintenance, disassembly and other operations are not convenient.
[0006] The technical scheme of the utility model is as follows: a vertical heat conducting oil pump joint axle structure, comprising a fastening slot and a sliding groove, the lower end of the motor body is fixedly connected with a supporting plate, the lower end of the motor body is fixedly connected with an output shaft, the lower end of the output shaft is provided with a sliding groove, the surface of the output shaft is provided with a pump shaft one, the upper end of the pump shaft one is fixedly connected with a key, the surface of the pump shaft one is provided with a fastening slot, the inside of the fastening slot is provided with a fixed block, the fixed block and the output shaft are provided with a screw in common, and the lower end of the pump shaft one is fixedly connected with a pump shaft two.
[0007] Preferably, the output shaft of the motor body is sleeved in the interior of the pump shaft I, the key is embedded in the sliding groove, the fixed block is inserted into the fastening slot, the lubricating oil is introduced into the sliding groove from the fastening slot, the fixed block is fixed with the output shaft by the screw, so that the output shaft of the motor body is fixed with the pump shaft I, and installation and disassembly are simple and convenient, and the lubricating effect is achieved.
[0008] Preferably, two circular grooves are symmetrically formed in the lower end of the fastening slot, and the lower ends of the two circular grooves are fixedly connected with springs.
[0009] Preferably, the upper end of the spring is fixedly connected with a fastening plate, and the fastening plate is the same size as the fixed block.
[0010] Preferably, the joint shaft of the pump shaft I is in a sleeve structure, the two sides along the slot are in a symmetrical structure, the output shaft and the surface of the fixed block are provided with an internal thread ring, and the fixed block and the output shaft are in threaded connection with the screw.
[0011] Preferably, the circular diameter of the sliding groove is slightly larger than that of the key, and the lower end of the output shaft is symmetrically provided with four lubricating oil slots I.
[0012] Preferably, the surface of the output shaft is symmetrically provided with four lubricating oil slots II, and the lubricating oil slots II are connected with the lubricating oil slots I.
[0013] Preferably, the joint shaft of the pump shaft I is in a sleeve structure, the output shaft is assembled in the interior through the sleeve structure, and the two shafts are fixed together through the screw fastening.
[0014] The utility model discloses beneficial effects:
[0015] Preferably, the output shaft of the motor body is sleeved in the interior of the pump shaft I, the key is embedded in the sliding groove, the fixed block is inserted into the fastening slot, the lubricating oil is introduced into the sliding groove from the fastening slot, the lubricating oil can pass through the gap between the sliding groove and the key, and then passes through the lubricating oil slots II and the lubricating oil slots I, so that the output shaft and the pump shaft I are lubricated, the fixed block is fixed with the output shaft by the screw, so that the output shaft of the motor body is fixed with the pump shaft I, and installation and disassembly are simple and convenient, and when the lubricating oil is injected between the joint shaft structures, the joint shaft structures do not need to be disassembled, and the operation is simple. DRAWINGS
[0016] Figure 1 The whole three-dimensional structure schematic view of the joint shaft structure for the vertical heat conducting oil pump is shown.
[0017] Figure 2 The cross-sectional structure schematic view of the joint shaft structure for the vertical heat conducting oil pump is shown.
[0018] Figure 3The utility model discloses a kind of fixed block structure schematic diagram of vertical heat conducting oil pump coupling structure.
[0019] Figure 4 The utility model discloses a kind of fixed block structure schematic diagram of vertical heat conducting oil pump coupling structure.
[0020] Figure 5 The utility model discloses a kind of key structure schematic diagram of vertical heat conducting oil pump coupling structure.
[0021] Figure 6 The utility model discloses a kind of output shaft structure schematic diagram of vertical heat conducting oil pump coupling structure.
[0022] Mark 1, motor body;2, support plate;3, output shaft;4, sliding groove;5, pump shaft one;6, key;7, fastening seam;8, fixed block;9, screw;10, pump shaft two;11, circular groove;12, spring;13, fastening plate;14, internal thread ring;15, lubricating oil seam one;16, lubricating oil seam two. DETAILED DESCRIPTION
[0023] The utility model is further explained in connection with the drawings and embodiment.
[0024] Please refer to Figures 1-6 The utility model provides a kind of embodiment: a kind of vertical heat conducting oil pump coupling structure;Including fastening seam 7 and sliding groove 4, the lower end of motor body 1 is fixedly connected with support plate 2, the lower end of motor body 1 is fixedly connected with output shaft 3, the lower end of output shaft 3 is set with sliding groove 4, the surface of output shaft 3 is provided with pump shaft one 5, the upper end of pump shaft one 5 is fixedly connected with key 6, the surface of pump shaft one 5 is set with fastening seam 7, fixed block 8 is arranged in fastening seam 7, fixed block 8 and output shaft 3 are jointly set with screw 9, the lower end of pump shaft one 5 is fixedly connected with pump shaft two 10, the output shaft 3 of motor body 1 is sleeved in the inside of pump shaft one 5, so that key 6 is embedded in sliding groove 4, fixed block 8 is inserted into fastening seam 7, lubricating oil is introduced into sliding groove 4 from fastening seam 7, fixed block 8 is fixed with output shaft 3 using screw 9, so that the output shaft 3 of motor body 1 and pump shaft one 5 are fixed, installation and disassembly are simple and convenient, and have lubricating effect.
[0025] Please refer to Figures 1-4In the embodiment, the lower end of the fastening slot 7 is symmetrically provided with two circular grooves 11, the lower end of each of the two circular grooves 11 is fixedly connected with a spring 12, the spring 12 is higher than the circular groove 11 in normal state, the upper end of the spring 12 is fixedly connected with a fastening plate 13, the fastening plate 13 is the same size as the fixed block 8, the spring 12 can extrude the fastening plate 13 upward, thereby pressing the fixed block 8, the joint of the pump shaft one 5 is a sleeve structure, the two sides along the slot are symmetric structures, the surface of the output shaft 3 and the fixed block 8 is provided with an internal thread ring 14, which is an integral slot structure, the fixed block 8 and the output shaft 3 are both threadedly connected with the screw 9, the output shaft 3 and the fixed block 8 can be fixed by the screw 9, thereby fixing the output shaft 3 and the pump shaft one 5.
[0026] Please refer to Figure 2 and Figure 6 In the embodiment, the circular diameter of the chute 4 is slightly larger than the circular diameter of the key 6, the lower end of the output shaft 3 is symmetrically provided with four lubricating oil slots one 15, lubricating oil can pass through the gap between the chute 4 and the key 6, the surface of the output shaft 3 is symmetrically provided with four lubricating oil slots two 16, the lubricating oil slots two 16 are connected with the lubricating oil slots one 15, lubricating oil can pass through the gap between the chute 4 and the key 6, and then pass through the lubricating oil slots two 16 and the lubricating oil slots one 15, thereby lubricating the output shaft 3 and the pump shaft one 5, the joint of the pump shaft one 5 is a sleeve structure, the output shaft 3 is assembled in the inside through the sleeve structure, the two shafts are fixed together through the screw 9 fastening, and the screw 9 can assist the fixing of the output shaft 3 and the pump shaft one 5.
[0027] In the working process, the output shaft 3 of the motor body 1 is sleeved in the inside of the pump shaft one 5, the key 6 is embedded in the chute 4, the fixed block 8 is inserted into the fastening slot 7, lubricating oil is introduced from the fastening slot 7 into the chute 4, the fixed block 8 and the output shaft 3 are fixed by the screw 9, the spring 12 drives the fastening plate 13 to press the fixed block 8, and the lubricating oil realizes lubrication effect on the device through the chute 4, the lubricating oil slots one 15 and the lubricating oil slots two 16.
[0028] Through the above steps, the output shaft 3 of the motor body 1 is sleeved in the inside of the pump shaft one 5, the fixed block 8 is inserted into the fastening seam 7, the lubricating oil is introduced into the lubricating oil groove 4 from the lubricating oil seam two 16 and the lubricating oil seam one 15, thereby lubricating the output shaft 3 and the pump shaft one 5, the fixed block 8 is fixed with the output shaft 3 by using the screw 9, thereby realizing the fixation of the output shaft 3 of the motor body 1 and the pump shaft one 5, the installation and disassembly are simple and convenient, and when the lubricating oil is injected between the butt joint shaft structures, the butt joint shaft structures do not need to be disassembled, the operation is simple, so that the problems that the current vertical heat conducting oil pump generally adopts various forms of shaft couplings to connect the motor shaft and the pump shaft, the structure is inconvenient to install, maintain, disassemble and the like, and there is a lack of effective lubricating channel between the shaft and the shaft sleeve, long-term operation easily leads to aggravated wear and tear, and the service life is affected, and the traditional lubricating mode needs to disassemble the butt joint shaft structure, the operation is complicated and the components are easily damaged.
Claims
1. A shaft coupling structure for a vertical heat transfer oil pump; characterized in that: The utility model provides a motor body (1) lower end fixedly connected with support plate (2), motor body (1) lower end fixedly connected with output shaft (3), the lower end of output shaft (3) is set up with sliding slot (4), the surface of output shaft (3) is provided with pump shaft one (5), the upper end of pump shaft one (5) is fixedly connected with key (6), the surface of pump shaft one (5) is set up with fastening seam (7), fastening seam (7) inside is provided with fixed block (8), fixed block (8) and output shaft (3) are set up with screw (9) in common penetration, the lower end of pump shaft one (5) is fixedly connected with pump shaft two (10).
2. The shaft coupling structure for a vertical heat transfer oil pump according to claim 1, characterized in that: The lower end of fastening seam (7) is set up with two circular grooves (11) symmetrically, the lower end of two circular grooves (11) is fixedly connected with spring (12).
3. The shaft coupling structure for a vertical heat transfer oil pump according to claim 1, characterized in that: The upper end of spring (12) is fixedly connected with fastening plate (13), and the fastening plate (13) is the same size as the fixed block (8).
4. The shaft coupling structure for a vertical heat transfer oil pump according to claim 1, characterized in that: The joint of pump shaft one (5) is a sleeve structure, and the two sides are symmetrical along the slit, the surface of output shaft (3) and fixed block (8) is set up with internal thread ring (14), which is an integral type slit structure, and the fixed block (8) and output shaft (3) are both threadedly connected with screw (9).
5. The shaft coupling structure for a vertical heat transfer oil pump according to claim 1, characterized in that: The circular diameter of sliding slot (4) is slightly larger than the circular diameter of key (6), and the lower end of output shaft (3) is set up with four lubricating oil seams one (15) symmetrically.
6. The shaft coupling structure for a vertical heat transfer oil pump according to claim 5, characterized in that: The surface of output shaft (3) is set up with four lubricating oil seams two (16) symmetrically, and the lubricating oil seams two (16) are connected with the lubricating oil seams one (15).
7. The shaft coupling structure for a vertical heat transfer oil pump according to claim 1, characterized by: The joint of pump shaft one (5) is a sleeve structure, the output shaft (3) is assembled in the sleeve structure, and the two shafts are fixed together through screw (9).