Noise reduction cover plate structure of electronic oil pump

By setting two circular rings in the cover plate of the electronic oil pump to reflect noise waves, combined with sound-absorbing cotton for noise reduction, and using a worm gear transmission system to achieve rapid installation of the cover plate, the problems of noise reduction cost and installation efficiency are solved, and the noise reduction effect and installation efficiency are improved.

CN223952787UActive Publication Date: 2026-02-27YIWO AUTOMOBILE SYSTEMS (WUXI) CO LTD
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Patent Information

Application Number
CN202520868816.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-02-27
Estimated Expiration
2035-05-06

AI Technical Summary

Technical Problem

Existing electronic oil pump covers suffer from increased noise reduction costs and workload issues due to the need for multiple bolt tightening operations.

Method used

The noise is reduced by using two circular rings to reflect sound waves, combined with sound-absorbing cotton. A worm gear transmission system is used to enable quick installation of the cover plate and reduce the use of bolts.

Benefits of technology

Significantly reduces noise reduction costs, improves cover plate installation efficiency, reduces workload, and enhances work efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223952787U_ABST
    Figure CN223952787U_ABST
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Abstract

The utility model discloses a noise reduction cover plate structure of an electronic oil pump, which relates to the technical field of electronic oil pumps and comprises a cover plate body, a cylinder is sleeved on the outer surface of the cover plate body, a first circular ring and a second circular ring are respectively fixed on the inner wall of the cover plate body, and sound absorption cotton is fixed on the inner wall of the cover plate body. A shell is fixedly arranged in the middle of the top end of the cover plate body, a rotating rod is rotationally arranged at the top end of the inner wall of the shell, a rotating plate is fixedly arranged at the bottom of the rotating rod, three inserting plates which are uniformly spaced are slidably arranged above the cover plate body, and inserting grooves matched with the inserting plates in an inserting mode are formed in the inner wall of a cylinder; the noise reduction cover plate has the advantages that the noise reduction effect of the cover plate body is greatly improved, and compared with a multi-layer stacked structure, the noise reduction cover plate is remarkably reduced in manufacturing cost and has higher market popularization value; the cover plate body can be quickly mounted, the workload of workers is effectively relieved, and the working efficiency is remarkably improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a cover plate structure, in particular to an electronic oil pump noise reduction cover plate structure belongs to electronic oil pump technical field. BACKGROUND

[0002] The electronic oil pump cover plate is one of key components of the electronic oil pump, bears multiple functions such as sealing, protection, support and auxiliary function, and its design quality directly influences the performance, reliability and service life of the oil pump.

[0003] The "electronic oil pump noise reduction cover plate" disclosed in the application number "202321494250.6" includes a plate main body and a protection frame, and the two side inner walls of the protection frame and the cover plate main body are provided with a compression resistance mechanism, in the utility model, the main component structure of the cover plate is optimized, the cover plate body is optimized, the overall protection effect is formed through the structure cooperation of each other, the vibration influence is effectively reduced, the protection material with sound insulation effect is matched, and the noise reduction effect is effectively achieved.

[0004] But the above-mentioned mode still has the following defects: the main component structure of the cover plate is optimized, the cover plate body is optimized, and the noise reduction effect is effectively achieved; But the stacking of multiple component structures can increase the cost of the oil pump cover plate in the noise reduction direction; And the cover plate is fastened by multiple bolts, and the staff needs to use special tools to fasten one by one, which increases the work burden of the staff and reduces the work efficiency.

[0005] In order to better solve the above problems, promote the development of industry technology level, improve the core competitiveness, the present application proposes a new component structure different from the prior art. Utility model content

[0006] The utility model aims at providing an electronic oil pump noise reduction cover plate structure to solve the problems that multiple component structures are stacked to increase the noise reduction cost of the oil pump cover plate, and when multiple bolts are used to fasten the cover plate, the staff needs to use special tools to operate one by one, which increases the work burden and reduces the work efficiency.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: an electronic oil pump noise reduction cover plate structure, the outer surface of the cover plate body is equipped with a cylinder, the inner wall of the cover plate body is fixedly provided with a ring one and a ring two, the inner wall of the cover plate body is fixedly provided with sound absorbing cotton, the middle part of the top of the cover plate body is fixedly provided with a shell, and the top of the inner wall of the shell is rotatably provided with a rotating rod, the bottom of the rotating rod is fixedly provided with a rotating plate, the upper portion of the cover plate body is slidably provided with three evenly spaced plugboards, the inner wall of the cylinder is provided with a plug slot matched with the plugboard, and a connecting rod is rotatably arranged between the rotating plate and the plugboard, and the top of the rotating rod is provided with an adjusting assembly.

[0008] As a preferred technical scheme of the utility model, the inner wall of the cylinder is fixedly provided with a limiting ring, the bottom end of the cover plate body is fixedly provided with a sealing ring, and the top end of the limiting ring is provided with a sealing groove matched with the sealing ring.

[0009] As a preferred technical scheme of the utility model, the bottom of the cylinder is fixedly provided with a mounting ring, and a plurality of evenly spaced mounting holes are formed in the surface of the mounting ring.

[0010] As a preferred technical scheme of the utility model, the bottom end of the rotating rod is rotatably connected with the top end of the cover plate body through a bearing, and the surface of the shell is provided with a swing groove matched with the connecting rod.

[0011] As a preferred technical scheme of the utility model, the adjusting assembly comprises a worm gear, the worm gear is fixedly arranged at the top end of the rotating rod, and a worm is connected on one side of the worm gear.

[0012] As a preferred technical scheme of the utility model, one end of the worm is rotatably connected with the inner wall of the shell, and the other end of the worm penetrates the shell and is fixedly provided with an adjusting cap.

[0013] As a preferred technical scheme of the utility model, the top end of the cover plate body is fixedly provided with three evenly spaced guide supports, and the guide supports are slidably connected with the plugboards.

[0014] As a preferred technical scheme of the utility model, the surface of the cover plate body is fixedly provided with a positioning block, and the inner wall of the cylinder is provided with a positioning groove matched with the positioning block.

[0015] Compared with the related art, the utility model provides an electronic oil pump noise reduction cover plate structure with the following beneficial effects:

[0016] 1、The ingenious arrangement of the ring one and the ring two inside the cover plate body can effectively reflect the generated noise waves, significantly enhance the noise reduction performance of the cover plate body itself, and the auxiliary noise reduction effect of the sound-absorbing cotton arranged in cooperation, the noise reduction effect of the cover plate body is greatly improved, compared with the multi-layer stacking structure, the design significantly reduces the cost, and has stronger market promotion value.

[0017] 2、With the help of the adjusting assembly, the rotating rod can be rotated and adjusted, and the assembly can also provide a guiding effect for the plug-in plate during the process, and with the rotating adjustment of the rotating rod, the rotating plate at the bottom rotates, thereby driving the connecting rod to rotate and adjust synchronously, finally enabling the three plug-in plates to move synchronously, through cooperation with the plug-in groove, the plug-in plate can quickly and accurately complete the plug-in limiting operation with the plug-in groove, realizing the quick installation of the cover plate body, effectively reducing the work burden of the workers, and significantly improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the utility model;

[0019] Figure 2 It is an explosion structure schematic view of the cover plate body of the utility model;

[0020] Figure 3 It is a structure schematic view of the cover plate body of the utility model;

[0021] Figure 4 It is a cross section structure schematic view of the shell of the utility model;

[0022] Figure 5 It is an A place enlarged structure schematic view of the utility model; Figure 4

[0023] Figure 6 It is a cross section structure schematic view of the cylinder of the utility model.

[0024] In the figure: 1, cover plate body; 2, ring one; 3, ring two; 4, sound-absorbing cotton; 5, rotating rod; 6, rotating plate; 7, plug-in plate; 8, connecting rod; 9, adjusting assembly; 901, worm gear; 902, worm; 903, adjusting cap; 904, guiding support block; 10, shell; 11, cylinder; 12, plug-in groove; 13, limiting ring; 14, sealing ring; 15, sealing groove; 16, mounting ring; 17, mounting hole; 18, positioning block; 19, swing groove. DETAILED DESCRIPTION

[0025] ​The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides a kind of electronic oil pump noise reduction cover plate structure, including cover plate body 1, the outer surface of cover plate body 1 is equipped with cylinder 11, the inner wall of cover plate body 1 is respectively fixed with ring one 2 and ring two 3, the inner wall of cover plate body 1 is fixed with sound-absorbing cotton 4, by the ring one 2 and ring two 3 being arranged in the inside of cover plate body 1, the noise generated can be reflected sound wave by ring one 2 and ring two 3, improve the noise reduction effect of cover plate body 1 itself, and the sound-absorbing cotton 4 being arranged is assisted to reduce noise, to greatly improve the noise reduction effect of the cover plate body 1 itself, and cost is reduced compared to multilayer stacking structure cost, easy to promote;

[0027] The middle part of the top of cover plate body 1 is fixed with shell 10, and the top of the inner wall of shell 10 is rotatably provided with rotating rod 5, the bottom of rotating rod 5 is fixed with rotating plate 6, the upper of cover plate body 1 is slidably provided with three evenly spaced plugboards 7, the inner wall of cylinder 11 is provided with plug slot 12 matched with plugboard 7, and connecting rod 8 is rotatably arranged between rotating plate 6 and plugboard 7, by the rotation adjustment of rotating rod 5, the rotating plate 6 at the bottom thereof can be driven to rotate, the connecting rod 8 can be driven to rotate and adjust, the three plugboards 7 can be driven to move synchronously, combined with plug slot 12, so that plugboard 7 and plug slot 12 are quickly inserted and limited, the cover plate body 1 is quickly installed, the work burden of workers is reduced, and the work efficiency is improved;The top of rotating rod 5 is provided with adjusting assembly 9, which can drive rotating rod 5 to rotate and adjust, and can effectively prevent rotating rod 5 from rotating by itself due to external force, ensure the stability of rotating rod 5, and can limit and guide plugboard 7.

[0028] Adjusting assembly 9 includes worm wheel 901, worm wheel 901 is fixedly arranged at the top of rotating rod 5, one side of worm wheel 901 is engaged with worm 902;One end of worm 902 is rotatably connected with the inner wall of shell 10, the other end of worm 902 penetrates shell 10 and is fixed with adjusting screw cap 903;

[0029] The top end of the cover plate body 1 is fixed with three uniformly spaced guide blocks 904, which are in sliding connection with the plug plate 7; by setting the adjusting cap 903, the worm 902 can be rotated, and the worm gear 901 connected therewith can be rotated and adjusted, so that the rotating rod 5 and the rotating plate 6 can be rotated and adjusted. The connection mode of the worm gear 901 and the worm 902 is adopted, and the self-locking characteristic of the worm gear 901 and the worm 902 is utilized, which can effectively prevent the rotating rod 5 from rotating by itself due to external force, and ensure the stability of the rotating rod 5; by setting the guide block 904, the movement of the plug plate 7 can be limited and guided.

[0030] The inner wall of the cylinder 11 is fixed with a limiting ring 13, the bottom end of the cover plate body 1 is fixed with a sealing ring 14, and the top end of the limiting ring 13 is provided with a sealing groove 15 in sealing cooperation with the sealing ring 14; the limiting ring 13 can limit and block the cover plate body 1 during installation, and the sealing effect is achieved through the sealing ring 14 and the sealing groove 15.

[0031] The surface of the cover plate body 1 is fixed with a positioning block 18, and the inner wall of the cylinder 11 is provided with a positioning groove in sliding cooperation with the positioning block 18; the positioning block 18 and the positioning groove are set, so that the cover plate body 1 can be quickly positioned and installed during installation.

[0032] The bottom end of the rotating rod 5 is rotatably connected with the top end of the cover plate body 1 through a bearing, and the surface of the shell 10 is provided with a swing groove 19 in swing cooperation with the connecting rod 8. The bottom end of the rotating rod 5 is rotatably connected with the top end of the cover plate body 1, so as to ensure the stability of the rotating rod 5 during rotation; the swing groove 19 is set on the outside of the shell 10, so that the connecting rod 8 is not limited during swinging.

[0033] The bottom of the cylinder 11 is fixed with a mounting ring 16, and the surface of the mounting ring 16 is provided with a plurality of uniformly spaced mounting holes 17. The mounting ring 16 is provided in combination with the mounting holes 17 and related fasteners such as bolts, so as to fix the cylinder 11 to the appropriate position of the electronic oil pump.

[0034] When in use, the cylinder 11 is fixed on the electronic oil pump by the mounting ring 16 and the mounting hole 17 through the bolt, when the cover plate body 1 needs to be installed, the cover plate body 1 is clamped to the inside of the cylinder 11 through the positioning block 18 and the positioning groove, then the worm 902 is driven to rotate by the adjusting cap 903, and the worm gear 901 connected with the worm 902 is driven to rotate and adjust, so as to drive the rotating rod 5 and the rotating plate 6 to rotate and adjust, the self-locking characteristic of the worm gear 901 and the worm 902 is used, the rotating rod 5 is effectively prevented from rotating by external force, the stability of the rotating rod 5 is ensured, the rotating plate 6 at the bottom of the rotating rod 5 is driven to rotate through the rotation of the rotating rod 5, the connecting rod 8 arranged to rotate is matched, so as to drive the three plug plates 7 to move along the guide support 904 synchronously, the plug plate 7 is quickly inserted and limited in the plug groove 12, the cover plate body 1 is quickly installed, the working burden of the staff is reduced, and the work efficiency is improved. The circular ring one 2 and the circular ring two 3 arranged in the cover plate body 1 can effectively reflect the noise sound waves, the noise reduction performance of the cover plate body 1 itself is significantly enhanced, meanwhile, the sound-absorbing cotton 4 is matched and arranged to play an auxiliary noise reduction role, and the noise reduction effect of the cover plate body 1 is greatly improved.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled 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 application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A noise-reducing cover structure for an electronic oil pump, comprising a cover body (1), characterized in that, The cover body (1) is fitted with a cylinder (11) on its outer surface. The inner wall of the cover body (1) is fixed with a ring one (2) and a ring two (3). The inner wall of the cover body (1) is fixed with sound-absorbing cotton (4). The middle of the top of the cover body (1) is fixed with a shell (10). The top of the inner wall of the shell (10) is rotatably provided with a rotating rod (5). The bottom of the rotating rod (5) is fixed with a rotating plate (6). Three evenly spaced insert plates (7) are slidably provided on the top of the cover body (1). The inner wall of the cylinder (11) is provided with a slot (12) that is inserted and matched with the insert plates (7). A connecting rod (8) is rotatably provided between the rotating plate (6) and the insert plates (7). The top of the rotating rod (5) is provided with an adjusting component (9).

2. The noise reduction cover structure for an electronic oil pump according to claim 1, characterized in that: The inner wall of the cylinder (11) is fixedly provided with a limiting ring (13), and the bottom end of the cover plate body (1) is fixedly provided with a sealing ring (14). The top end of the limiting ring (13) is provided with a sealing groove (15) that seals with the sealing ring (14).

3. The noise reduction cover structure for an electronic oil pump according to claim 1, characterized in that: The bottom of the cylinder (11) is fixedly provided with a mounting ring (16), and the surface of the mounting ring (16) is provided with a number of evenly spaced mounting holes (17).

4. The noise-reducing cover structure for an electronic oil pump according to claim 1, characterized in that: The bottom end of the rotating rod (5) is rotatably connected to the top end of the cover plate body (1) through a bearing, and the surface of the outer shell (10) is provided with a swing groove (19) that swings in coordination with the connecting rod (8).

5. The noise-reducing cover plate structure for an electronic oil pump according to claim 1, characterized in that: The adjusting component (9) includes a worm gear (901), which is fixedly mounted on the top of the rotating rod (5), and a worm (902) is meshed with one side of the worm gear (901).

6. The noise-reducing cover structure for an electronic oil pump according to claim 5, characterized in that: One end of the worm (902) is rotatably connected to the inner wall of the outer shell (10), and the other end of the worm (902) passes through the outer shell (10) and is fixedly provided with an adjusting cap (903).

7. The noise reduction cover structure for an electronic oil pump according to claim 1, characterized in that: The top of the cover plate body (1) is fixed with three evenly spaced guide blocks (904), and the guide blocks (904) are slidably connected to the insert plate (7).

8. The noise reduction cover structure for an electronic oil pump according to claim 1, characterized in that: The surface of the cover plate body (1) is fixedly provided with a positioning block (18), and the inner wall of the cylinder (11) is provided with a positioning groove that slides with the positioning block (18).

Citation Information

Patent Citations

  • Noise reduction cover plate of electronic oil pump

    CN220227154U