Spline housing assembly of separator pump

By setting locking, limiting, and fixing mechanisms in the separator pump spline sleeve assembly, the problem of motor reversal caused by water backflow is solved, and the effect of protecting the motor by unidirectional impeller movement is achieved.

CN223648357UActive Publication Date: 2025-12-09CHENLAI GASOLINEEUM MACHINERY LAIZHOU
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Patent Information

Application Number
CN202520268525.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-09
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

During use, water backflow in the existing separator pump spline sleeve assembly can cause the motor to reverse, posing a risk of motor damage.

Method used

The system includes a locking mechanism, a limit mechanism, and a fixing mechanism to ensure that the impeller moves only in the direction of motor rotation and does not drive the motor to rotate when it reverses. The assembly works together to protect the motor.

Benefits of technology

This design ensures that the impeller moves only in the direction of motor rotation, and does not drive the motor to rotate when it reverses, thus protecting the motor and facilitating the disassembly and maintenance of the equipment.

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Abstract

The utility model relates to the technical field of spline housing assemblies of separator pumps, in particular to a spline housing assembly of a separator pump, which is provided with a locking mechanism and a limiting mechanism, so that when the spline housing assembly of the separator pump is used, an impeller can only move along the rotating direction of a motor, and the service life of the impeller is prolonged. During reverse rotation, the motor cannot be driven to rotate through assembly cooperation, so that the motor is protected; comprising a locking mechanism; the device further comprises a connecting mechanism, a limiting mechanism and a fixing mechanism, the connecting mechanism is installed in the locking mechanism, the limiting mechanism is installed in the locking mechanism, and the fixing mechanism is installed on the locking mechanism. The locking mechanism is used for locking, the connecting mechanism is used for connecting, the limiting mechanism is used for limiting, and the fixing mechanism is used for fixing.
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Description

Technical Field

[0001] This utility model relates to the technical field of separator pump spline sleeve assembly, and in particular to a separator pump spline sleeve assembly. Background Technology

[0002] The separator pump spline sleeve assembly is a key component in pump equipment, playing an important role in the equipment's transmission system.

[0003] In existing separator pump spline sleeve assemblies, such as the self-locking spline sleeve disclosed in utility model patent application number 201920121938.7, the utility model achieves linkage between the self-locking spline sleeve, the sleeve, and the lead screw (the lead screw is driven to rotate) by setting a locking part on the self-locking spline sleeve and fixing it with the sleeve; by setting a meshing part on the inner and outer walls of the self-locking spline sleeve to mesh with the lead screw and the sleeve, the three-way linkage of the self-locking spline sleeve, the sleeve, and the lead screw is achieved (the lead screw is driven to rotate), and the extension and retraction of the lead screw in the sleeve is also achieved.

[0004] However, during the use of the separator pump spline sleeve assembly, water backflow in the pump can cause the motor to reverse, potentially damaging the motor. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a separator pump spline sleeve assembly that, by setting a locking mechanism and a limiting mechanism, allows the impeller to move only in the direction of motor rotation during the use of the separator pump spline sleeve assembly. When reversing, the assembly will not drive the motor to rotate, thereby protecting the motor.

[0006] This utility model discloses a separator pump spline sleeve assembly, which includes a locking mechanism; it also includes a connecting mechanism, a limiting mechanism, and a fixing mechanism. The connecting mechanism is installed inside the locking mechanism, the limiting mechanism is installed inside the locking mechanism, and the fixing mechanism is installed on the locking mechanism.

[0007] The locking mechanism locks the device, the connecting mechanism connects it, the limiting mechanism limits its movement, and the fixing mechanism secures it. The locking mechanism facilitates the disassembly and maintenance of the equipment, the connecting mechanism connects the device, the limiting mechanism limits unidirectional movement, and the fixing mechanism secures and limits the limiting mechanism. This ensures that during the use of the separator pump spline sleeve assembly, the impeller can only move in the direction of motor rotation. When the motor rotates in reverse, the assembly will not drive the motor to rotate, thus protecting the motor.

[0008] Preferably, the locking mechanism includes a sleeve, a ratchet sleeve, four sets of ball cylinders, four sets of locking balls, a pressure sleeve, and a spring. The ratchet sleeve is installed at the lower end of the sleeve, and the four sets of ball cylinders are installed on the sleeve. Each set of ball cylinders contains a set of locking balls. The pressure sleeve is slidably installed on the sleeve, and the pressure sleeve and the ratchet sleeve are supported by the spring. The pressure sleeve restricts the locking balls, causing them to lock onto the connecting mechanism. The sliding pressure sleeve releases the locking balls, thus loosening the connecting mechanism.

[0009] Preferably, the connecting mechanism includes a locking shaft and a spline. The locking shaft is fitted inside a sleeve and engages with a locking ball for locking. The spline is installed at the lower end of the locking shaft. The motor output is connected via the locking shaft, and the assembly is connected via the spline.

[0010] Preferably, the limiting mechanism includes a spline sleeve, multiple sets of top blocks, and multiple sets of springs. The spline sleeve is fitted inside the ratchet sleeve, and the multiple sets of top blocks are all rotatably supported on the spline sleeve by a set of springs. The springs support the top blocks, causing them to lock onto the ratchet sleeve, thus allowing only the ratchet sleeve to rotate in one direction.

[0011] Preferably, the fixing mechanism includes an impeller connecting seat, multiple sets of screws and multiple sets of nuts. The impeller connecting seat is connected to the ratchet sleeve through multiple sets of screws, and each set of screws is fitted with a nut to fix the impeller connecting seat. The impeller is installed and fixed by the impeller connecting seat, and the spline sleeve is limited by the screws and nuts that fix the impeller connecting seat.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: the locking mechanism facilitates the disassembly and maintenance of the equipment, the connecting mechanism connects the device, the limiting mechanism limits unidirectional movement, and the fixing mechanism fixes and limits the limiting mechanism. Thus, during the use of the separator pump spline sleeve assembly, the impeller can only move in the direction of motor rotation. When reversing, the assembly will not drive the motor to rotate, thereby protecting the motor. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the assembly isometric structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the assembly right view sectional section of this utility model;

[0015] Figure 3 This is an isometric structural diagram of the locking mechanism of this utility model;

[0016] Figure 4 This is a front view cross-sectional isometric structural schematic diagram of the locking mechanism of this utility model;

[0017] Figure 5 This is an isometric structural diagram of the connection mechanism of this utility model;

[0018] Figure 6 This is an isometric structural diagram of the limiting mechanism of this utility model;

[0019] Figure 7 This is a front view cross-sectional isometric structural schematic diagram of the limiting mechanism of this utility model;

[0020] Figure 8 This is a top-view cross-sectional isometric structural schematic diagram of the limiting mechanism of this utility model;

[0021] Figure 9 This is an isometric structural diagram of the fixing mechanism of this utility model;

[0022] The attached diagram is labeled as follows: 1. Locking mechanism; 11. Sleeve; 12. Ratchet sleeve; 13. Ball sleeve; 14. Locking ball; 15. Pressure sleeve; 16. Spring one; 2. Connecting mechanism; 21. Locking shaft; 22. Spline; 3. Limiting mechanism; 31. Spline sleeve; 32. Top block; 33. Spring two; 4. Fixing mechanism; 41. Impeller connecting seat; 42. Screw; 43. Nut. Detailed Implementation

[0023] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0024] Example 1

[0025] like Figures 1 to 9 As shown, a separator pump spline sleeve assembly includes a locking mechanism 1, a connecting mechanism 2, a limiting mechanism 3, and a fixing mechanism 4. The connecting mechanism 2 is installed inside the locking mechanism 1, the limiting mechanism 3 is installed inside the locking mechanism 1, and the fixing mechanism 4 is installed on the locking mechanism 1.

[0026] The locking mechanism 1 locks, the connecting mechanism 2 connects, the limiting mechanism 3 limits, and the fixing mechanism 4 fixes.

[0027] The locking mechanism 1 includes a sleeve 11, a ratchet sleeve 12, four sets of ball cylinders 13, four sets of locking balls 14, a pressure sleeve 15, and a spring 16. The ratchet sleeve 12 is installed at the lower end of the sleeve 11, the four sets of ball cylinders 13 are installed on the sleeve 11, and each set of ball cylinders 13 contains a set of locking balls 14. The pressure sleeve 15 is slidably installed on the sleeve 11, and the pressure sleeve 15 and the ratchet sleeve 12 are supported by the spring 16.

[0028] The connecting mechanism 2 includes a locking shaft 21 and a spline 22. The locking shaft 21 is fitted inside the sleeve 11 and engages with the locking ball 14 for locking. The spline 22 is installed at the lower end of the locking shaft 21.

[0029] The limiting mechanism 3 includes a spline sleeve 31, multiple sets of top blocks 32 and multiple sets of springs 33. The spline sleeve 31 is fitted inside the ratchet sleeve 12, and the multiple sets of top blocks 32 are all rotatably supported on the spline sleeve 31 by a set of springs 33.

[0030] The fixing mechanism 4 includes an impeller connecting seat 41, multiple sets of screws 42 and multiple sets of nuts 43. The impeller connecting seat 41 is connected to the ratchet sleeve 12 through multiple sets of screws 42. Each set of screws 42 is fitted with a set of nuts 43 to fix the impeller connecting seat 41.

[0031] The locking ball 14 is locked by the pressure sleeve 15, which clamps the connecting mechanism 2. The locking ball 14 is released by the sliding pressure sleeve 15, which loosens the connecting mechanism 2 to facilitate disassembly and maintenance of the equipment. The motor output end is connected through the locking shaft 21, and the assembly is connected through the spline 22. The top block 32 is supported by the spring 33, which clamps the ratchet sleeve 12, thus allowing only unidirectional rotation of the ratchet sleeve 12. The impeller is installed and fixed through the impeller connecting seat 41, and the impeller connecting seat 41 is fixed by the screw 42 and the nut 43, which limits the spline sleeve 31. Thus, during the use of the separator pump spline sleeve assembly, the impeller can only move in the direction of motor rotation. When reversing, the assembly will not drive the motor to rotate, thus protecting the motor.

[0032] like Figures 1 to 9 As shown, this utility model discloses a separator pump spline sleeve assembly. During operation, the locking ball 14 is restricted by the pressure sleeve 15, which locks the connecting mechanism 2. The locking ball 14 is released by sliding the pressure sleeve 15, which loosens the connecting mechanism 2 to facilitate disassembly and maintenance of the equipment. The motor output end is connected through the locking shaft 21, and the assembly is connected through the spline 22. The top block 32 is supported by the spring 2 33, which locks the ratchet sleeve 12, thus allowing only unidirectional rotation of the ratchet sleeve 12. The impeller is installed and fixed through the impeller connecting seat 41, and the impeller connecting seat 41 is fixed by the screw 42 and the nut 43, which limits the position of the spline sleeve 31.

[0033] The main function of this utility model is: during the operation of the separator pump spline sleeve assembly, by setting a locking mechanism and a limiting mechanism, the impeller can only move in the direction of motor rotation during the use of the separator pump spline sleeve assembly. When reversing, the assembly will not drive the motor to rotate, thereby protecting the motor.

[0034] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A separator pump spline sleeve assembly, comprising a locking mechanism (1); characterized in that, It also includes a connecting mechanism (2), a limiting mechanism (3) and a fixing mechanism (4). The connecting mechanism (2) is installed inside the locking mechanism (1), the limiting mechanism (3) is installed inside the locking mechanism (1), and the fixing mechanism (4) is installed on the locking mechanism (1). The locking mechanism (1) locks, the connecting mechanism (2) connects, the limiting mechanism (3) limits, and the fixing mechanism (4) fixes.

2. The separator pump spline sleeve assembly as described in claim 1, characterized in that, The locking mechanism (1) includes a sleeve (11), a ratchet sleeve (12), four sets of ball cylinders (13), four sets of locking balls (14), a pressure sleeve (15), and a spring (16). The ratchet sleeve (12) is installed at the lower end of the sleeve (11), and the four sets of ball cylinders (13) are installed on the sleeve (11). Each set of ball cylinders (13) contains a set of locking balls (14). The pressure sleeve (15) is slidably installed on the sleeve (11), and the pressure sleeve (15) and the ratchet sleeve (12) are supported by the spring (16).

3. The separator pump spline sleeve assembly as described in claim 2, characterized in that, The connecting mechanism (2) includes a locking shaft (21) and a spline (22). The locking shaft (21) is fitted inside the sleeve (11) and locks with the locking ball (14). The spline (22) is installed at the lower end of the locking shaft (21).

4. The separator pump spline sleeve assembly as described in claim 2, characterized in that, The limiting mechanism (3) includes a spline sleeve (31), multiple sets of top blocks (32) and multiple sets of springs (33). The spline sleeve (31) is fitted inside the ratchet sleeve (12), and the multiple sets of top blocks (32) are all rotatably supported on the spline sleeve (31) by a set of springs (33).

5. The separator pump spline sleeve assembly as described in claim 2, characterized in that, The fixing mechanism (4) includes an impeller connecting seat (41), multiple sets of screws (42) and multiple sets of nuts (43). The impeller connecting seat (41) is connected to the ratchet sleeve (12) through multiple sets of screws (42). Each set of screws (42) is fitted with a set of nuts (43) to fix the impeller connecting seat (41) by thread engagement.

Citation Information

Patent Citations

  • Self-locking spline housing

    CN209925548U