Valve sleeve of VVT control valve

Abstract

The utility model relates to the technical field of valve sleeves of control valves, and provides a valve sleeve of a VVT (Variable Valve Timing) control valve, which comprises a sleeve body and an oil leakage hole, oil leakage holes are evenly formed in the outer wall of the sleeve body, and cleaning structures are evenly arranged on the outer sides of the oil leakage holes in the outer wall of the sleeve body. Through the arrangement of the cleaning structure, the fixing block on the inner side of the cleaning sleeve is in threaded connection with the threaded groove to position the cleaning sleeve, and when oil dirt on the outer side of the oil leakage hole in the surface of the sleeve body needs to be cleaned, the fixing block is rotated to one side of the sliding groove, so that the cleaning sleeve is conveniently guided and slides in the sliding groove through the fixing block; and then the cleaning sleeve is used for scraping and cleaning oil stains on the outer side of the oil leakage hole, so that the purpose of conveniently cleaning the oil stains is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the valve sleeve technical field of control valve, especially VVT control valve's valve sleeve. BACKGROUND

[0002] With the development of the times, people use the engine more and more widely, and the VVT control valve is one of its important components, and the use of the valve sleeve is essential in the process of using it;

[0003] Therefore, the patent with the publication number CN208749425U discloses a valve sleeve for VVT engine control valve, which is a hollow pipe sleeve, including two head front end sockets and end sockets, and an oil inlet cavity, a lag oil outlet cavity and an advance oil outlet cavity located in the middle of the longitudinal through hollow pipe outer wall, and the oil inlet cavity is located between the lag oil outlet cavity and the advance oil outlet cavity.

[0004] In the long-term use process, the surface of the valve sleeve will accumulate a certain amount of oil stains due to the oil outlet, and the above-mentioned valve sleeve is difficult to clean, which may affect the subsequent operation and use, and thus it is difficult to meet the actual use requirement. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a valve sleeve of VVT control valve to solve the defect that the valve sleeve of the existing VVT control valve is not convenient to clean the surface oil stains.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme: a valve sleeve of VVT control valve, including sleeve body and oil leakage hole,

[0007] The outer wall of the sleeve body is uniformly provided with oil leakage holes, and the outer side of the oil leakage holes on the outer wall of the sleeve body is uniformly provided with cleaning structures;

[0008] The cleaning structure includes a sliding groove uniformly provided on the outer wall of the sleeve body, a cleaning sleeve is arranged on the outer wall of the sleeve body on the outer side of the sliding groove, a plurality of fixed blocks are uniformly fixed on the inner wall of the cleaning sleeve, and a threaded groove is arranged on the inner wall of the sleeve body on one side of the sliding groove.

[0009] The bottom of the sleeve body is provided with a buffer structure.

[0010] Preferably, the oil leakage holes are equally spaced on the outer wall of the sleeve body, and the sliding grooves are equally spaced on the outer wall of the sleeve body.

[0011] Preferably, the inner side wall of the cleaning sleeve is in abutment with the outer side wall of the sleeve body, and the fixing blocks are equidistantly distributed on the inner wall of the cleaning sleeve.

[0012] Preferably, the fixing blocks are arranged in the sliding groove, and the cleaning sleeve and the sliding groove are in sliding connection through the fixing blocks.

[0013] Preferably, the fixing blocks are arranged in the threaded groove, and the fixing blocks are in threaded connection with the threaded groove.

[0014] Preferably, the buffer structure comprises a reserved groove arranged at the bottom end of the sleeve body, a mounting head arranged in the reserved groove, rubber columns uniformly fixed at the top end of the mounting head, and buffer springs fixed at the top end of the mounting head outside the rubber columns.

[0015] Preferably, the mounting head is in sliding connection in the reserved groove, the top end of the rubber column is fixedly connected with the bottom end of the sleeve body, and the top end of the buffer spring is fixedly connected with the bottom end of the sleeve body.

[0016] The valve sleeve of the VVT control valve has the advantages that:

[0017] The fixing blocks in the cleaning sleeve are in threaded connection with the threaded groove for positioning, and when it is necessary to clean the oil stains outside the oil leakage hole on the surface of the sleeve body, the fixing blocks are rotated to one side of the sliding groove, so that the cleaning sleeve is guided and slides in the sliding groove through the fixing blocks, and the cleaning sleeve scrapes and cleans the oil stains outside the oil leakage hole, thereby achieving the purpose of facilitating cleaning of the oil stains.

[0018] The mounting head and the sleeve body are connected with each other through the rubber columns and the buffer springs, the rubber columns and the buffer springs can both achieve the buffering effect, and the buffer springs and the rubber columns cooperate with each other to prevent the sleeve body from shaking greatly during use, thereby achieving the purpose of protecting the installation of the mounting head and achieving the buffering effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a front view three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is a top view three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 It is a partial bottom view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 5The partial front view three-dimensional structure schematic diagram of the utility model.

[0024] The reference signs in the drawing are explained as follows: 1, sleeve body; 2, oil leakage hole; 3, cleaning structure; 301, sliding groove; 302, cleaning sleeve; 303, fixed block; 304, threaded groove; 4, buffer structure; 401, reserved groove; 402, assembly head; 403, rubber column; 404, buffer spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently 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 in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a valve sleeve of VVT control valve, including sleeve body 1 and oil leakage hole 2.

[0027] Refer to Figures 1-3 As shown in the drawing, the outer wall of sleeve body 1 is evenly provided with oil leakage hole 2, the outer side of oil leakage hole 2 on the outer wall of sleeve body 1 is evenly provided with cleaning structure 3, cleaning structure 3 includes sliding groove 301 evenly provided on the outer wall of sleeve body 1, the outer wall of sleeve body 1 on the outer side of sliding groove 301 is provided with cleaning sleeve 302, the inner wall of cleaning sleeve 302 is evenly provided with fixed block 303, the inner wall of sleeve body 1 on the side of sliding groove 301 is provided with threaded groove 304, oil leakage hole 2 is equidistantly distributed on the outer wall of sleeve body 1, sliding groove 301 is equidistantly distributed on the outer wall of sleeve body 1, the inner side wall of cleaning sleeve 302 and the outer side wall of sleeve body 1 are in mutual abutment, fixed block 303 is equidistantly distributed on the inner wall of cleaning sleeve 302, fixed block 303 is arranged in the interior of sliding groove 301, cleaning sleeve 302 and sliding groove 301 are slidably connected through fixed block 303, fixed block 303 is arranged in the interior of threaded groove 304, and fixed block 303 is screw-connected with threaded groove 304.

[0028] The oil leakage hole 2 of the valve sleeve is accumulated with oil stains during use, which affects the subsequent use effect, so it needs to be cleaned, and the cleaning structure 3 is arranged, the cleaning sleeve 302 is limited to slide in the sliding groove 301 through the fixing block 303, and the inner side wall is in mutual resistance with the outer side wall of the sleeve body 1, so that the oil stains on the surface of the oil leakage hole 2 are scraped and cleaned during sliding, and when cleaning is not needed, the cleaning sleeve 302 is placed on the top of the sleeve body 1 and is rotated, so that the fixing block 303 is arranged in the threaded groove 304 and is in threaded connection with the threaded groove 304, so that the cleaning sleeve 302 is positioned and is not easy to be positionally deviated during use, thereby greatly increasing the practicability of the device.

[0029] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the bottom of the sleeve body 1 is provided with a buffer structure 4, the buffer structure 4 comprises a reserved groove 401 arranged at the bottom end of the sleeve body 1, the reserved groove 401 is provided with an assembly head 402, the top end of the assembly head 402 is uniformly fixed with a rubber column 403, the top end of the assembly head 402 outside the rubber column 403 is fixed with a buffer spring 404, the assembly head 402 is in sliding connection in the reserved groove 401, the top end of the rubber column 403 is fixedly connected with the bottom end of the sleeve body 1, and the top end of the buffer spring 404 is fixedly connected with the bottom end of the sleeve body 1.

[0030] During use of the valve sleeve, impact may be received, which affects the mounting effect of the assembly head 402, and the buffer structure 4 is arranged, so that the assembly head 402 is arranged in the reserved groove 401 and connected with the sleeve body 1 through the rubber column 403, so that a certain buffering effect is achieved, the buffer spring 404 is arranged outside the rubber column 403 and fixedly connected with the assembly head 402 and the sleeve body 1 at both ends, so that the buffering effect is further enhanced, so that the device is not easily affected by the assembly head 402 when impacted, thereby greatly increasing the practicability of the device.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A valve sleeve of a VVT control valve, comprising a sleeve body (1) and oil leakage holes (2); Characterized in that: The outer wall of the sleeve body (1) is uniformly provided with oil leakage holes (2), and the outer side of the oil leakage holes (2) on the outer wall of the sleeve body (1) is uniformly provided with cleaning structures (3); The cleaning structure (3) comprises a sliding groove (301) uniformly provided on the outer wall of the sleeve body (1), the outer wall of the sleeve body (1) on the outer side of the sliding groove (301) is provided with a cleaning sleeve (302), the inner wall of the cleaning sleeve (302) is uniformly provided with a fixed block (303), and the inner wall of the sleeve body (1) on one side of the sliding groove (301) is provided with a threaded groove (304); The bottom of the sleeve body (1) is provided with a buffer structure (4).

2. The valve sleeve of a VVT control valve according to claim 1, characterized in that: The oil leakage holes (2) are equally spaced on the outer wall of the sleeve body (1), and the sliding grooves (301) are equally spaced on the outer wall of the sleeve body (1).

3. The valve sleeve of a VVT control valve according to claim 1, characterized in that: The inner wall of the cleaning sleeve (302) and the outer wall of the sleeve body (1) are in mutual abutment, and the fixed blocks (303) are equally spaced on the inner wall of the cleaning sleeve (302).

4. The valve sleeve of a VVT control valve according to claim 1, characterized in that: The fixed blocks (303) are arranged in the sliding grooves (301), and the cleaning sleeve (302) and the sliding groove (301) are slidably connected through the fixed blocks (303).

5. The valve sleeve of a VVT control valve according to claim 1, characterized in that: The fixed blocks (303) are arranged in the threaded grooves (304), and the fixed blocks (303) and the threaded grooves (304) are in threaded connection.

6. The valve sleeve of a VVT control valve according to claim 1, characterized in that: The buffer structure (4) comprises a reserved groove (401) provided at the bottom end of the sleeve body (1), the inside of the reserved groove (401) is provided with an assembly head (402), the top end of the assembly head (402) is uniformly provided with a rubber column (403), and the top end of the rubber column (403) is uniformly provided with a buffer spring (404).

7. A valve sleeve for a VVT control valve according to claim 6, characterized in that: The assembly head (402) is slidably connected in the reserved groove (401), the top end of the rubber column (403) is fixedly connected with the bottom end of the sleeve body (1), and the top end of the buffer spring (404) is fixedly connected with the bottom end of the sleeve body (1).

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