Oil pump speed increaser
By designing a oil pump growthage device including large gears and small gears, the problem of insufficient speed provided by machines such as tractors can be solved, and the effect of providing sufficient power for the hydraulic system is achieved, and the structure is simple and the maintenance efficiency is high.
Patent Information
- Application Number
- CN202421165121.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-27
AI Technical Summary
In special scenarios, the speed provided by tractors and other machinery is small and cannot provide sufficient pressure for the hydraulic or hydraulic system, resulting in the system being unsatisfactory in actual work.
Design a type of oil pump, including the box and at least two gears, the input -end gears and the output end gear meshing each other. Mack of speed.
By increasing the speed, the oil pump growthter can provide sufficient power to work for systems such as hydraulic pressure. The structure is simple, the maintenance efficiency is high, and the adaptability and portability have also been improved.
Smart Images
Figure CN222415812U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic pumps, in particular to an oil pump speed increaser. Background Art
[0002] When working in special scenarios, it is not convenient to carry large power equipment to work for the hydraulic system or the oil pressure system, so common transportation tools such as tractors are needed as output power to drive the oil pump or hydraulic pump to work; but the speed provided by tractors and other machinery is relatively small, and the oil pressure system or the hydraulic system cannot have sufficient pressure, which is not satisfactory in actual work. Utility Model Content
[0003] The purpose of the utility model is to address the above-mentioned shortcomings and propose an oil pump speed increaser that is easy to use and can provide sufficient power for hydraulic systems.
[0004] In order to realize the above utility model, the utility model provides the following technical solutions:
[0005] An oil pump speed increaser comprises a housing; and at least two gears, wherein one gear is an input end gear and the other gear is an output end gear;
[0006] The housing is provided with a gear installation position, each gear is connected to the corresponding installation position through a bearing, and the input end gear and the output end gear are meshed with each other, and the number of teeth of the output end gear is less than the number of teeth of the input end gear;
[0007] A spline sleeve is provided at the center of the output end gear, and the other end of the spline sleeve extends outward through the box body; wherein the input port of the input end gear includes at least one of the following input forms:
[0008] Input form I: The center of the input end gear is provided with an input spline sleeve connected to it by a key, and one end of the input spline sleeve extends outward through the box body;
[0009] Input form II: An input spline shaft is provided at the center of the input end gear and is connected thereto by a key, and one end of the input spline shaft penetrates the housing and extends outward.
[0010] Furthermore, the output end gear and the spline sleeve connected thereto are an integrated structure, and teeth are provided on the outer wall of the spline sleeve to mesh with the input end gear.
[0011] Furthermore, the mounting position is a convex ring arranged on the box body; the annular convex ring and the box body are an integrated structure, and reinforcing ribs are also arranged between the outer wall of the convex ring and the inner surface of the box body.
[0012] Furthermore, the box body is a box body upper cover and a box body lower cover that are interlocked, and the box body upper cover and the box body lower cover are connected by bolts; the height of the reinforcing rib is lower than the thickness of any one of the box body covers.
[0013] Furthermore, the box body is also provided with an oil inlet for injecting lubricating oil, and a sealing plug is provided at the oil inlet, and the sealing plug is threadedly connected to the oil inlet.
[0014] Furthermore, there is a sealing strip between the upper cover and the lower cover of the box body, and the sealing strip is provided with an avoidance hole for the bolt to pass through.
[0015] Furthermore, when both input forms of the input end gear input end exist, the input spline sleeve and the input spline shaft are an integrated structure, wherein the spline sleeve end and the spline shaft end are respectively located on both sides of the box body, and are connected to the input gear through the same key in the middle.
[0016] Furthermore, the input spline sleeve is provided with a quick lock mechanism; the quick lock mechanism comprises a spring, a locking sleeve and at least two balls; the locking sleeve and the spring are both sleeved on the outer wall of the input spline sleeve, and the locking sleeve is located on the inner side of the spring, and the two ends of the spring are respectively connected to the ends of the locking sleeve and the input spline sleeve;
[0017] The outer wall of the input spline sleeve is provided with a light hole penetrating into the interior thereof, and the diameter of the light hole is smaller than the diameter of the ball; the locking ring comprises a locking part and a loosening part, the loosening part is connected to the inner side of the locking part, and the inner diameter of the locking part is smaller than the inner diameter of the loosening part;
[0018] In the locked state, the ball is located at the corresponding light hole position; the locking part is pressed on the outer side of the ball.
[0019] Furthermore, there are three balls, and the end of the spline sleeve is provided with a retaining ring fixedly connected thereto; the other side of the locking portion is provided with an inwardly retracted edge to prevent the balls from falling, and the other side of the loosening portion is provided with a retaining edge to prevent the balls from moving downward. In the locked state, the retaining edge is pressed directly above the balls to prevent themselves from detaching; the end of the spring is connected to the pressure ring, and the pressure ring contacts the inner side of the retaining ring.
[0020] Furthermore, an output connection seat is provided at the output end of the box body, and the height of the output connection seat is greater than the extended length of the spline sleeve.
[0021] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0022] The utility model drives the small gear to rotate through the large gear, increases the rotation speed, has a simple structure, and has high maintenance efficiency; and has multiple connection modes at the input end, which has higher adaptability; and can achieve both portability and functionality. In addition, a quick lock mechanism is set on the input spline sleeve at the input end, which can significantly improve the connection reliability and firmness of the spline sleeve and the replacement shaft, and has higher practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model.
[0024] In the figure:
[0025] Figure 1 It is a schematic diagram of the structure of Example I of the utility model.
[0026] Figure 2 for Figure 1 Schematic diagram of the structure from another perspective.
[0027] Figure 3 This is a diagram of the internal gear structure of Example I of the utility model.
[0028] Figure 4 This is a schematic structural diagram of the spline sleeve of Example 1 of the utility model.
[0029] Figure 5 This is a schematic structural diagram of the integrated input spline sleeve and input spline shaft of Example I of the utility model.
[0030] Figure 6 It is a cross-sectional schematic diagram of the quick locking mechanism of the spline sleeve in Example I of the utility model.
[0031] Figure 7 This is a schematic diagram of the structure of the box cover of Example I of the present utility model.
[0032] Figure 8 Schematic diagram of the structure of the locking sleeve of Example 1 of the present utility model.
[0033] Fig. 9 It is a structural schematic diagram of Example II of the utility model.
[0034] In the figure: 1, 7, oil inlet, 2, spline sleeve, 3, input spline shaft, 4, housing, 5, output connecting seat, 6, input spline sleeve, 8, input gear, 9, reinforcing rib, 10, convex ring, 11, locking sleeve, 12, spring, 13, pressure ring, 14, retaining ring, 15, ball, 11-1, locking part, 11-2, loosening part, 3-1, arc groove. DETAILED DESCRIPTION
[0035] The technical solution of the exemplary embodiment of the utility model is described below in conjunction with the accompanying drawings. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The described embodiment is only used for illustration, rather than limitation of the scope of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0036] Reference Figures 1 to 8 , is a structural diagram of Example 1; in this embodiment:
[0037] There are two gears in the box, the input gear is a large gear and the output gear is a small gear, and the two are meshed with each other.
[0038] A gear mounting position is provided in the box body, and each gear is connected to the corresponding mounting position through a bearing, and the input end gear and the output end gear are meshed with each other, and the number of teeth of the output end gear is smaller than the number of teeth of the input end gear; the mounting position in this embodiment is a convex ring, and reinforcing ribs are also provided between the outer wall of the convex ring and the inner surface of the box body for reinforcement.
[0039] Reference Figure 4 In this embodiment, a spline sleeve is provided at the center of the output end gear, and the other end of the spline sleeve extends outward through the box body. The output end gear and the spline sleeve connected thereto are an integrated structure, and teeth are provided on the outer wall of the spline sleeve to mesh with the input end gear.
[0040] Reference Figure 5 , where the input port of the input end gear includes two input forms: the center of the input end gear is provided with an integrated spline sleeve and spline shaft, the spline sleeve end and the spline shaft end extend to both sides of the box respectively, and the large gear and the integrated spline sleeve and spline shaft are connected by keys and keyways. A snap ring limiter is also provided on the integrated spline sleeve and spline shaft to prevent axial movement (this is common knowledge and will not be repeated here).
[0041] Reference Figure 5 , Figure 6 and Figure 8 A quick lock mechanism is also provided on one side of the input spline sleeve, and three balls are provided. A retaining ring fixedly connected to the spline sleeve is provided at the end of the spline sleeve; the end of the spring is connected to the pressure ring, and the pressure ring contacts the inner side of the retaining ring. The locking sleeve and the spring are both sleeved on the outer wall of the input spline sleeve, and the locking sleeve is located on the inner side of the spring. The two ends of the spring are respectively connected to the locking sleeve and the end of the input spline sleeve;
[0042] The outer wall of the input spline sleeve is provided with a light hole penetrating into the interior thereof, and the diameter of the light hole is smaller than the diameter of the ball; the locking ring comprises a locking part and a loosening part, the loosening part is connected to the inner side of the locking part, and the inner diameter of the locking part is smaller than the inner diameter of the loosening part.
[0043] When in use, insert the spline shaft into the input spline sleeve, and pull the locking sleeve outward at the same time to compress the spring; after the spline shaft is in place (when the arc groove and the light hole correspond), the spring extends and presses the ball back into the light hole to achieve locking.
[0044] Reference Figure 7 The box body is a box body upper cover and a box body lower cover which are buckled together, and the box body upper cover and the box body lower cover are connected by bolts; the height of the reinforcing rib is lower than the thickness of any one of the box body covers.
[0045] The box body is also provided with an oil inlet for pouring lubricating oil, and a sealing plug is provided at the oil inlet, and the sealing plug is threadedly connected to the oil inlet.
[0046] There is a sealing strip between the upper cover of the box body and the lower cover of the box body, and the sealing strip is provided with an avoidance hole for the bolt to pass through.
[0047] Reference Figure 8 The other side of the locking part is provided with an inwardly retracted edge to prevent the ball from falling, or the size of the release part is set to make the ball retract but not fall (related to the thickness of the locking part of the locking sleeve). The other side of the release part is provided with a retaining edge to prevent it from moving downward. In the locked state, the retaining edge presses directly above the ball to prevent it from detaching. The end of the spring is connected to the pressure ring, and the pressure ring contacts the inner side of the retaining ring.
[0048] Reference Figure 1 In this embodiment I, both the upper and input spline sleeve ends are provided with connecting seats for achieving stable connection.
[0049] Example II, specific reference Figure 8 the difference from Example I is that there is only one input end; the input spline sleeve, the end of the input spline sleeve is also provided with a quick lock mechanism, and the input spline sleeve is connected to the internal gear by a key.
[0050] The specific implementation methods described above provide a detailed description of the technical solutions and beneficial effects of the utility model. It should be understood that the above is only the optimal embodiment of the utility model and does not limit the utility model. Any modifications, supplements and equivalent substitutions made within the scope of the principles of the utility model should be included in the protection scope of the utility model.
Claims
1. An oil pump speed increaser, comprising a housing; characterized in that: It also includes at least two gears, one of which is an input end gear and the other is an output end gear; The housing is provided with a gear installation position, each gear is connected to the corresponding installation position through a bearing, and the input end gear and the output end gear are meshed with each other, and the number of teeth of the output end gear is less than the number of teeth of the input end gear; A spline sleeve is provided at the center of the output end gear, and the other end of the spline sleeve extends outward through the box body; wherein the input port of the input end gear includes at least one of the following input forms: Input form I: The center of the input end gear is provided with an input spline sleeve connected to it by a key, and one end of the input spline sleeve extends outward through the box body; Input form II: An input spline shaft is provided at the center of the input end gear and is connected thereto by a key, and one end of the input spline shaft penetrates the housing and extends outward.
2. The oil pump speed increaser according to claim 1, characterized in that: The output end gear and the spline sleeve connected thereto are an integrated structure, and teeth are arranged on the outer wall of the spline sleeve to mesh with the input end gear.
3. The oil pump speed increaser according to claim 1, characterized in that: The installation position is a convex ring arranged on the box body; the annular convex ring and the box body are an integrated structure, and reinforcing ribs are also arranged between the outer wall of the convex ring and the inner surface of the box body.
4. The oil pump speed increaser according to claim 3, characterized in that: The box body is a box body upper cover and a box body lower cover which are buckled together, and the box body upper cover and the box body lower cover are connected by bolts; the height of the reinforcing ribs is lower than the thickness of any one of the box body covers.
5. The oil pump speed increaser according to claim 1, characterized in that: The box body is also provided with an oil inlet for pouring lubricating oil, and a sealing plug is provided at the oil inlet, and the sealing plug is threadedly connected to the oil inlet.
6. The oil pump speed increaser according to claim 1, characterized in that: There is a sealing strip between the upper cover of the box body and the lower cover of the box body, and the sealing strip is provided with an avoidance hole for the bolt to pass through.
7. The oil pump speed increaser according to claim 1, characterized in that: When both input forms of the input end gear input end exist, the input spline sleeve and the input spline shaft are an integrated structure, wherein the spline sleeve end and the spline shaft end are respectively located on both sides of the box body, and are connected to the input gear through the same key in the middle.
8. The oil pump speed increaser according to claim 1, characterized in that: The input spline sleeve is provided with a quick lock mechanism; the quick lock mechanism comprises a spring, a locking sleeve and at least two balls; the locking sleeve and the spring are both sleeved on the outer wall of the input spline sleeve, and the locking sleeve is located on the inner side of the spring, and the two ends of the spring are respectively connected to the ends of the locking sleeve and the input spline sleeve; The outer wall of the input spline sleeve is provided with a light hole penetrating into the interior thereof, and the diameter of the light hole is smaller than the diameter of the ball; the locking sleeve comprises a locking part and a loosening part, the loosening part is connected to the inner side of the locking part, and the inner diameter of the locking part is smaller than the inner diameter of the loosening part; In the locked state, the ball is located at the corresponding light hole position; the locking part is pressed on the outer side of the ball.
9. The oil pump speed increaser according to claim 8, characterized in that: There are three balls, and the end of the input spline sleeve is provided with a retaining ring fixedly connected to it; the other side of the locking part is provided with an inward edge to prevent the balls from falling, and the other side of the loosening part is provided with a retaining edge to prevent the balls from moving downward. In the locked state, the retaining edge is pressed directly above the balls to prevent them from detaching; the end of the spring is connected to the pressure ring, and the pressure ring contacts the inner side of the retaining ring.
10. The oil pump speed increaser according to claim 1, characterized in that: An output connection seat is also provided at the output end of the box body, and the height of the output connection seat is greater than the extended length of the spline sleeve.