High-torque anti-reversion device capable of being used in water
By designing a large torque anti-reversal device for water pumps, using centrifugal force and anti-reversal mechanism, the problem of water pump being reversed due to water flow or other reasons when it is stopped is solved, and the effect of preventing reversal and protecting the service life of the equipment is achieved.
Patent Information
- Application Number
- CN202421940026.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The water pump is reversed due to water flow or other reasons when it is stopped, resulting in line short circuits, malfunctions and equipment damage, affecting service life and performance.
A large torque anti-reverse device is designed, including an outer ring, a wedge frame, a wedge hole, a wedge block, an inner ring and an anti-reverse mechanism. The anti-reverse mechanism uses centrifugal force to automatically disengage when the water pump stops, through the positioning ring, connecting plate, torsion spring and barrier ring, to prevent reversal.
Effectively prevent water pumps or other rotating equipment from being reversed due to water flow or other reasons after stopping, avoid equipment damage, protect service life, and improve the practicality of the device.
Smart Images
Figure CN222910586U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti - reverse, in particular to a high - torque anti - reverse device that can be used in water. Background Art
[0002] High - torque anti - reverse devices are usually used in occasions where it is necessary to prevent equipment from reversing due to excessive load or reverse acting force. Such devices are crucial for ensuring equipment safety, protecting operators, and preventing production interruptions.
[0003] The application of water pumps has been very extensive. Generally, water pumps are required to rotate in only one direction. When a water pump reverses, it will not only affect the service life and performance of the water pump, but in severe cases, it will cause a short - circuit in the circuit, resulting in the water pump malfunctioning and burning out, which is very serious for cost consumption and economic losses. Therefore, an anti - reverse device needs to be installed to prevent it from reversing. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a high - torque anti - reverse device that can be used in water, which has the advantages of preventing the water pump from reversing, etc., and solves the problem that when the water pump reverses, it will not only affect the service life and performance of the water pump, but in severe cases, it will cause a short - circuit in the circuit, resulting in the water pump malfunctioning and burning out.
[0005] To achieve the above object, the utility model provides the following technical solution: A high - torque anti - reverse device that can be used in water, including an outer ring, a wedge - block holder is arranged in the inner cavity of the outer ring, a number of wedge - block holes are opened on the outer surface of the wedge - block holder, a wedge block is fixed in the inner cavity of the wedge - block hole, an inner ring is arranged in the inner cavity of the wedge - block holder, and an anti - reverse mechanism for preventing the water pump from reversing is arranged on the right side of the inner ring;
[0006] The anti - reverse mechanism includes a positioning ring arranged on the right side of the inner ring, a connecting plate is arranged on the left side of the outer ring, torsion springs are fixed at both the top and bottom between the opposite sides of the inner ring and the positioning ring, and retaining rings are fixed on both the left and right sides of the wedge block.
[0007] Further, a number of the wedge - block holes are evenly distributed on the outer surface of the wedge - block holder.
[0008] Further, key grooves are opened at both the upper and lower ends of the inner ring, and the two key grooves are symmetrically distributed on the upper and lower sides of the horizontal central axis of the inner ring.
[0009] Further, the anti - reverse mechanism can be connected to the machine body through bolts, keys or a positioning ring, the outer ring is fixed, and the inner ring rotates.
[0010] Further, the anti - reverse component is assembled by a number of wedge blocks with unique shapes, and the anti - reverse component is assembled on the inner ring and then plus retaining rings, cover plates or positioning rings.
[0011] Furthermore, due to the action of the spring, the check member is always connected to the inner ring with a constant frictional force, forming a rotating member.
[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0013] The large torque anti-reverse device that can be used in water can be used to prevent a water pump or other rotating equipment from reversing due to water flow or other reasons after stopping, and uses centrifugal force to prohibit reverse rotation. When the water pump stops, the centrifugal force disappears, and the clutch automatically disengages to prevent the water pump from rotating backwards, avoiding damage to the water pump or other rotating equipment, and protecting the service life of the water pump or other rotating equipment. Description of the Drawings
[0014] Figure 1 is a schematic structural diagram of the present utility model;
[0015] Figure 2 is a schematic side view structural diagram of the outer ring and inner ring of the present utility model;
[0016] Figure 3 is a schematic 3D structural diagram of a part of the present utility model.
[0017] In the figure: 1 outer ring, 2 wedge block holder, 3 wedge block holes, 4 wedge blocks, 5 inner ring, 6 anti-reverse mechanism, 601 positioning ring, 602 connecting plate, 603 torsion spring, 604 retaining ring, 7 keyway. Detailed Embodiment
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0019] Please refer to Figures 1-3 , a large torque anti-reverse device that can be used in water in this embodiment includes an outer ring 1. A wedge block holder 2 is provided in the inner cavity of the outer ring 1. A plurality of wedge block holes 3 are opened on the outer surface of the wedge block holder 2. A wedge block 4 is fixed in the inner cavity of the wedge block hole 3. An inner ring 5 is provided in the inner cavity of the wedge block holder 2. An anti-reverse mechanism 6 for preventing the water pump from rotating backwards is provided on the right side of the inner ring 5.
[0020] Among them, a plurality of wedge block holes 3 are evenly distributed on the outer surface of the wedge block holder 2. Keyways 7 are opened at both the upper and lower ends of the inner ring 5. The two keyways 7 are symmetrically distributed on the upper and lower sides of the horizontal central axis of the inner ring 5.
[0021] It should be noted that the reverse prevention torque of the reverse prevention mechanism 6 can reach 50 kN·m or more, and it can be applied to circulating coolant, improving the practicability.
[0022] In this embodiment, the reverse prevention mechanism 6 includes a positioning ring 601 provided on the right side of the inner ring 5. A connecting plate 602 is provided on the left side of the outer ring 1. Torsion springs 603 are fixed to both the top and bottom between the opposite side of the inner ring 5 and the positioning ring 601. Retaining rings 604 are fixed to both the left and right sides of the wedge block 4. A torsion spring 603 for resetting the wedge block 4 is installed on the wedge block 4. At low speeds, due to the action of the torsion spring 603, the wedge block 4 is in contact with both the inner ring 5 and the outer ring 1 simultaneously. When reaching a certain rotational speed, due to the action of centrifugal force, the wedge block 4 overcomes the force of the torsion spring 603, and the wedge block 4 is not in contact with either the inner ring 5 or the outer ring 1, achieving contactless operation.
[0023] In addition, the reverse prevention mechanism 6 can be connected to the machine body through bolts, keys or the positioning ring 601. The outer ring 1 is fixed and the inner ring 5 rotates.
[0024] Among them, the reverse stop component is assembled by a number of wedge blocks with unique shapes. The reverse stop component is assembled on the inner ring 5 and then adding the retaining ring 604, the cover plate or the positioning ring 601. Due to the action of the spring, the reverse stop component is always connected to the inner ring 5 with a constant frictional force, forming a rotating part.
[0025] It can be understood that when the speed decreases, when reaching a certain rotational speed, the force of the torsion spring 603 is greater than the centrifugal force, causing the wedge block 4 to resume contact with the inner ring 5 and the outer ring 1. During reverse rotation, due to the special action of the shaped block, the wedge block 4 is wedged with the inner ring 5 and the outer ring 1, thereby preventing the reverse rotation of the equipment.
[0026] The working principle of the above embodiment is as follows:
[0027] A torsion spring 603 for resetting the wedge block 4 is installed on the wedge block 4. At low speeds, due to the action of the torsion spring 603, the wedge block 4 is in contact with both the inner ring 5 and the outer ring 1 simultaneously. When reaching a certain rotational speed, due to the action of centrifugal force, the wedge block 4 overcomes the force of the torsion spring 603, and the wedge block 4 is not in contact with either the inner ring 5 or the outer ring 1, achieving contactless operation. When the speed decreases, when reaching a certain rotational speed, the force of the torsion spring 603 is greater than the centrifugal force, causing the wedge block 4 to resume contact with the inner ring 5 and the outer ring 1. During reverse rotation, due to the special action of the shaped block, the wedge block 4 is wedged with the inner ring 5 and the outer ring 1, thereby preventing the reverse rotation of the equipment.
[0028] It should be noted that in this text, relational terms such as first and second are only used 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.
[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.
Claims
1. A high torque anti-reversal device that can be used in water, comprising an outer ring (1), characterized in that: The inner cavity of the outer ring (1) is provided with a wedge frame (2), the outer surface of the wedge frame (2) is provided with a plurality of wedge holes (3), the inner cavity of the wedge holes (3) is fixed with a wedge (4), the inner cavity of the wedge frame (2) is provided with an inner ring (5), and the right side of the inner ring (5) is provided with an anti-reverse mechanism (6) for preventing the water pump from reversing; The anti-reverse mechanism (6) comprises a positioning ring (601) arranged on the right side of the inner ring (5), a connecting plate (602) is arranged on the left side of the outer ring (1), torsion springs (603) are fixed to the top and bottom between the inner ring (5) and the positioning ring (601) on the opposite side, and retaining rings (604) are fixed to the left and right sides of the wedge block (4).
2. A high torque anti-reversal device that can be used in water according to claim 1, characterized in that: The plurality of wedge holes (3) are evenly distributed on the outer surface of the wedge frame (2).
3. A high torque anti-reversal device that can be used in water according to claim 1, characterized in that: The inner ring (5) is provided with key slots (7) at both upper and lower ends, and the two key slots (7) are symmetrically distributed on the upper and lower sides of the transverse center axis of the inner ring (5).
4. A high torque anti-reversal device that can be used in water according to claim 1, characterized in that: The anti-reverse mechanism (6) can be connected to the machine body via bolts, keys or a positioning ring (601), with the outer ring (1) being fixed and the inner ring (5) being rotatable.
5. A high torque anti-reversal device that can be used in water according to claim 1, characterized in that: The non-return component is assembled from a plurality of wedges with unique shapes. The non-return component is assembled on the inner ring (5) and further includes a retaining ring (604), a cover plate or a positioning ring (601).
6. A high torque anti-reversal device that can be used in water according to claim 5, characterized in that: The non-return component is connected to the inner ring (5) by a spring so as to always maintain a constant friction force, thereby forming a rotating part.