Oil pump valve body

Abstract

The utility model discloses an oil pump valve body which comprises an oil pump valve main body, a Z-shaped hole and a connecting pipe, connecting parts are arranged on the two sides of the oil pump valve main body, one end of the connecting pipe is fixedly connected with a butt joint part, an installation sleeve is fixedly installed on the outer side of the connecting part, a sealing ring is installed on the inner side of the installation sleeve, and the Z-shaped hole is formed in the Z-shaped hole. Empty grooves are symmetrically formed in the inner side of the mounting sleeve, rotating shafts are rotatably connected to the interiors of the empty grooves, rotating rods are fixedly connected to the outer sides of the rotating shafts, telescopic rods are fixedly connected to one sides of the interiors of the empty grooves, and first springs are fixedly connected to the sides, close to the telescopic rods, of the rotating rods. One end of a telescopic part of the telescopic rod is fixedly connected with a first spring, the outer side of the mounting sleeve is fixedly connected with an outer shell, and the problems that when the valve body and a pipeline are mounted and connected through a flange, multiple sets of bolt pieces need to be screwed, operation is inconvenient, time is consumed for mounting and follow-up dismounting and maintaining, and the mounting and maintaining efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pump valves, in particular to an oil pump valve body. Background Art

[0002] Automobile engines require oil pump valves. Among the existing automobile engine automatic oil supply oil pump valve bodies, one type is produced and processed by a splicing welding process.

[0003] Publication No. CN201439847U discloses a connection structure between a valve body and a pipe fitting, wherein the valve body has an internal hole, and the end of the pipe fitting is inserted into the end of the internal hole of the valve body, so that the interior of the pipe fitting is connected with the internal hole of the valve body, wherein: a plurality of convex patterns are formed on the outer peripheral surface of the end of the pipe fitting, and an interference fit is formed between the convex patterns and the inner peripheral surface of the internal hole of the valve body, and a pipe fitting with convex patterns is also provided. However, the patent still has the following problems in actual use:

[0004] Embossing technology is used to form convex patterns on the pipe fittings that match the valve body, so that the convex patterns and the holes of the valve body have an interference fit, eliminating the phenomenon of uneven welds due to the influence of the pipe's own gravity during welding. In addition, since the outer diameter of the pipe can be accurately controlled, the weld formed between the internal hole of the valve body and the outer peripheral surface of the pipe is uniform, thereby ensuring the welding strength. However, when the existing valve body is connected to the pipeline, it is generally fixed by flanges and bolts. During installation and disassembly, multiple sets of bolts need to be turned, which is inconvenient to operate. The installation and subsequent disassembly and maintenance take a lot of time, which reduces the installation and maintenance efficiency.

[0005] An oil pump valve body is proposed to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an oil pump valve body to solve the problem that when the valve body is connected to the pipeline through a flange installation, multiple groups of bolts need to be screwed, which is inconvenient to operate, and the installation and subsequent disassembly and maintenance take a long time, thereby reducing the installation and maintenance efficiency.

[0007] To achieve the above object, the utility model provides the following technical solution: an oil pump valve body, comprising an oil pump valve body, a Z-shaped hole and a connecting pipe, wherein connecting parts are arranged on both sides of the oil pump valve body, and one end of the connecting pipe is fixedly connected with a docking part;

[0008] A mounting sleeve is fixedly mounted on the outer side of the connecting portion, and a sealing ring is mounted on the inner side of the mounting sleeve;

[0009] Also includes:

[0010] The inner side of the mounting sleeve is symmetrically provided with an empty slot, the inner side of the empty slot is rotatably connected with a rotating shaft, the outer side of the rotating shaft is fixedly connected with a rotating rod, the inner side of the empty slot is fixedly connected with a telescopic rod, the side of the rotating rod close to the telescopic rod is fixedly connected with a spring 1, and one end of the telescopic portion of the telescopic rod is fixedly connected with the spring 1;

[0011] The outer side of the mounting sleeve is fixedly connected to the outer shell, the inner side of the outer shell is provided with an annular groove, the inner ring of the annular groove is symmetrically provided with a clamping rod, the clamping rod is slidably connected to the annular groove, one end of the clamping rod passes through the outer shell and the mounting sleeve and abuts against the rotating rod, the other end of the clamping rod is fixedly connected to a top block, the side of the top block away from the clamping rod is fixedly connected to a fixing ring, a steel rope is wound around the inside of the fixing ring, and the steel rope is arranged in a circular shape.

[0012] The top of the outer shell is threadedly connected with a bolt, the bottom end of the bolt passes through the outer shell and is fixedly connected with a bottom block, the diameter of the bottom block is larger than the diameter of the bolt, and the two ends of the steel rope pass through the fixing ring and are fixed on the lower outer side of the bolt.

[0013] Preferably, the empty slots are arranged in an array, the number of the empty slots is no less than four, the rotating rod is arranged in an L-shape, the clamping rod is slidably connected to the mounting sleeve, and the number of the clamping rods corresponds to the empty slots.

[0014] Preferably, a blocking block is fixedly connected to one side of the telescopic portion of the telescopic rod, the blocking block is arranged obliquely, and the blocking block is in contact with spring one.

[0015] Preferably, the diameter of the top block is larger than the diameter of the abutting rod, the top block is located inside the annular groove, and a second spring is sleeved on the outer side of the abutting rod.

[0016] Preferably, the top end of the second spring is fixedly connected to the top block, and the bottom end of the second spring is fixedly connected to the inner ring side wall of the annular groove.

[0017] Preferably, one end of the abutting rod close to the rotating rod is arranged in an arc shape, the abutting rods are evenly arranged in an array, and the positions of the abutting rods correspond to the rotating rods.

[0018] Preferably, the sealing ring is located on a side of the connecting portion away from the Z-shaped hole, the sealing ring is fixedly connected to the mounting sleeve, and there are no less than two sealing rings.

[0019] Compared with the prior art, the utility model has the following beneficial effects: by setting a rotating shaft, a rotating rod, a telescopic rod, a spring, a clamping rod, a fixing ring, a steel rope and a bolt, when the connecting part on the oil pump valve body is connected to the connecting pipe, by inserting the connecting pipe and the docking part into the interior of the installation sleeve, the movement of the docking part will push one end of the rotating rod, and the other end of the rotating rod will turn down to clamp the docking part, and then by rotating the bolt, multiple clamping rods clamp the other end of the rotating rod, thereby realizing the fixed installation of the connecting pipe, without the need to twist multiple sets of bolts, and the installation and disassembly are relatively convenient. The specific contents are as follows:

[0020] 1. By setting a rotating shaft, a rotating rod, a telescopic rod, a spring 1, a tightening rod, a fixing ring, a steel rope and a bolt, when connecting the connecting part on the oil pump valve body with the connecting pipe, by inserting the connecting pipe and the docking part into the interior of the installation sleeve, the movement of the docking part will push one end of the rotating rod, so that the rotating rod rotates, and the blocking block blocks the spring 1. The rotation of the rotating rod can squeeze the spring 1, and the spring 1 repeatedly compresses the telescopic rod until the docking part passes through the sealing ring and is tightly pressed against the connecting part. At this time, the other end of the rotating rod flips down to clamp the docking part, so that the installation and positioning of the connecting part and the connecting pipe are realized, and then the bolt is rotated The bolt rotates to reel in the steel rope, which reduces the inner diameter of the steel rope. The steel rope will squeeze the top block, and the top block drives the clamping rod to shrink toward the center until multiple clamping rods clamp the other end of the rotating rod, thereby realizing the fixed installation of the connecting pipe. There is no need to screw multiple sets of bolts, and the installation and disassembly are more convenient. At the same time, multiple sets of sealing rings can be provided correspondingly to improve the sealing effect of the connection part and the connection pipe connection. This solves the problem that when the valve body and the pipeline are connected through flange installation, it is necessary to screw multiple sets of bolts, which is inconvenient to operate, and the installation and subsequent disassembly and maintenance take a lot of time, which reduces the installation and maintenance efficiency.

[0021] 2. The oil pump valve body 1 is cast in one piece. By changing the grading ratio of the shell forming slurry and sand particles, the SiO2 content in the original silica sol is adjusted from 30% to 21%. While ensuring the strength of the shell, the fluidity of the slurry is increased, and the collapse of the shell after the casting is enhanced. It is convenient to clean the sand from the slurry inside the Z-shaped hole after casting, which greatly improves production efficiency and reduces costs, and can fully meet the performance requirements of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the cross-sectional structure of the oil pump valve body of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the oil pump valve body connection of the utility model;

[0024] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 4 For this utility model Figure 2 The enlarged structural diagram at B in the middle;

[0026] Figure 5 This is a schematic diagram of the side cross-sectional structure of the outer shell of the utility model;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the main body of the oil pump valve of the utility model;

[0028] Figure 7 This is a schematic diagram of the front view structure of the oil pump valve body connection of the utility model.

[0029] In the figure: 1. oil pump valve body; 2. Z-shaped hole; 3. connecting part; 4. connecting pipe; 5. docking part; 6. sealing ring; 7. mounting sleeve; 8. empty groove; 9. rotating shaft; 10. rotating rod; 11. telescopic rod; 12. spring 1; 13. blocking block; 14. outer shell; 15. tightening rod; 16. top block; 17. spring 2; 18. fixing ring; 19. steel rope; 20. bolt; 21. bottom block; 22. annular groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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.

[0031] See also Figure 1-7 The utility model provides a technical solution: an oil pump valve body, including an oil pump valve body 1, a Z-shaped hole 2 and a connecting pipe 4, connecting parts 3 are arranged on both sides of the oil pump valve body 1, and one end of the connecting pipe 4 is fixedly connected with a docking part 5.

[0032] A mounting sleeve 7 is fixedly mounted on the outer side of the connecting portion 3 , a sealing ring 6 is mounted on the inner side of the mounting sleeve 7 , and the sealing ring 6 is located on the side of the connecting portion 3 away from the Z-shaped hole 2 . The sealing ring 6 is fixedly connected to the mounting sleeve 7 , and there are no less than two sealing rings 6 .

[0033] A hollow groove 8 is symmetrically provided on the inner side of the mounting sleeve 7, a rotating shaft 9 is rotatably connected inside the hollow groove 8, a rotating rod 10 is fixedly connected to the outer side of the rotating shaft 9, a telescopic rod 11 is fixedly connected to one side of the inner side of the hollow groove 8, a spring 12 is fixedly connected to the side of the rotating rod 10 close to the telescopic rod 11, and one end of the telescopic portion of the telescopic rod 11 is fixedly connected to the spring 12.

[0034] The empty slots 8 are arranged in an array, with no less than four empty slots 8. The rotating rod 10 is arranged in an L-shape. The clamping rod 15 is slidably connected to the mounting sleeve 7. The number of the clamping rods 15 corresponds to the empty slots 8. The end of the clamping rod 15 close to the rotating rod 10 is arranged in an arc shape. The clamping rods 15 are evenly arranged in an array, and the position of the clamping rod 15 corresponds to the rotating rod 10.

[0035] A stopper 13 is fixedly connected to one side of the telescopic portion of the telescopic rod 11 . The stopper 13 is arranged to be inclined, and the stopper 13 fits the spring 12 .

[0036] Among them, the outer side of the mounting sleeve 7 is fixedly connected to the outer shell 14, the inner part of the outer shell 14 is provided with an annular groove 22, the inner circle of the annular groove 22 is symmetrically installed with a clamping rod 15, the clamping rod 15 is slidably connected to the annular groove 22, one end of the clamping rod 15 passes through the outer shell 14 and the mounting sleeve 7 and abuts against the rotating rod 10, the other end of the clamping rod 15 is fixedly connected to a top block 16, the side of the top block 16 away from the clamping rod 15 is fixedly connected to a fixing ring 18, the inside of the fixing ring 18 is wrapped with a steel rope 19, and the steel rope 19 is arranged in a circular shape.

[0037] By setting the rotating shaft 9, the rotating rod 10, the telescopic rod 11, the spring 12, the tightening rod 15, the fixing ring 18, the steel rope 19 and the bolt 20, when the connecting part 3 on the oil pump valve body 1 is connected with the connecting pipe 4, by inserting the connecting pipe 4 and the docking part 5 into the interior of the mounting sleeve 7, the movement of the docking part 5 will push one end of the rotating rod 10, so that the rotating rod 10 rotates, and the blocking block 13 blocks and limits the spring 12. The rotation of the rotating rod 10 can squeeze the spring 12, and the spring 12 compresses the telescopic rod 11.

[0038] Until the docking part 5 passes through the sealing ring 6 and is pressed against the connecting part 3, the other end of the rotating rod 10 is flipped down to clamp the docking part 5, so as to realize the installation and positioning of the connecting part 3 and the connecting pipe 4, and then the bolt 20 is rotated, and the bolt 20 rotates to reel in the steel rope 19, so that the inner diameter of the steel rope 19 is reduced, and the steel rope 19 will squeeze the top block 16, and the top block 16 drives the pressing rod 15 to shrink toward the center.

[0039] Until multiple clamping rods 15 clamp the other end of the rotating rod 10, the fixed installation of the connecting pipe 4 is achieved. There is no need to screw multiple sets of bolts, and installation and disassembly are relatively convenient. At the same time, multiple sets of sealing rings 6 can be arranged correspondingly to improve the sealing effect of the connection between the connecting part 3 and the connecting pipe 4. This solves the problem that when the valve body and the pipeline are connected through flange installation, it is necessary to screw multiple sets of bolts, which is inconvenient to operate, and the installation and subsequent disassembly and maintenance take a lot of time, which reduces the installation and maintenance efficiency.

[0040] The diameter of the top block 16 is larger than the diameter of the clamping rod 15 . The top block 16 is located inside the annular groove 22 . A spring 2 17 is sleeved on the outer side of the clamping rod 15 . The top end of the spring 2 17 is fixedly connected to the top block 16 , and the bottom end of the spring 2 17 is fixedly connected to the inner ring side wall of the annular groove 22 .

[0041] Among them, the top of the outer shell 14 is threadedly connected with a bolt 20, the bottom end of the bolt 20 passes through the outer shell 14 and is fixedly connected to a bottom block 21, the diameter of the bottom block 21 is larger than the diameter of the bolt 20, and the two ends of the steel rope 19 pass through the fixing ring 18 and are fixed on the lower outer side of the bolt 20.

[0042] The oil pump valve body 1 is cast in one piece. By changing the grading ratio of the shell forming slurry and sand particles, the SiO2 content in the original silica sol is adjusted from 30% to 21%. While ensuring the strength of the shell, the fluidity of the slurry is increased, and the collapse of the shell after the casting is enhanced. It is convenient to clean the sand from the slurry inside the Z-shaped hole 2 after casting. Through casting process, mechanical processing, non-destructive and other process verifications, the production efficiency is greatly improved, the cost is reduced, and the performance requirements of the product can be fully met.

[0043] Working principle:

[0044] Before using this oil pump valve body, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 7 As shown, when the connecting part 3 on the oil pump valve body 1 is connected to the connecting pipe 4, by inserting the connecting pipe 4 and the docking part 5 into the interior of the mounting sleeve 7, the movement of the docking part 5 will push one end of the rotating rod 10, so that the rotating rod 10 rotates, and the blocking block 13 blocks and limits the spring 12. The rotation of the rotating rod 10 can squeeze the spring 12, and the spring 12 compresses the telescopic rod 11 until the docking part 5 passes through the sealing ring 6 and is tightly pressed against the connecting part 3.

[0045] At this time, the other end of the rotating rod 10 flips down to clamp the docking part 5, thereby realizing the installation and positioning of the connecting part 3 and the connecting pipe 4. Then, by rotating the bolt 20, the bolt 20 rotates to reel in the steel rope 19, so that the inner diameter of the steel rope 19 is reduced, and the steel rope 19 will squeeze the top block 16. The top block 16 drives the clamping rod 15 to shrink toward the center until multiple clamping rods 15 clamp the other end of the rotating rod 10, thereby realizing the fixed installation of the connecting pipe 4. There is no need to tighten multiple sets of bolts, and installation and disassembly are relatively convenient.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An oil pump valve body, comprising an oil pump valve body (1), a Z-shaped hole (2) and a connecting pipe (4), wherein connecting parts (3) are arranged on both sides of the oil pump valve body (1), and one end of the connecting pipe (4) is fixedly connected to a docking part (5); A mounting sleeve (7) is fixedly mounted on the outer side of the connecting portion (3), and a sealing ring (6) is mounted on the inner side of the mounting sleeve (7); It is characterized in that Also includes: A hollow groove (8) is symmetrically provided on the inner side of the mounting sleeve (7); a rotating shaft (9) is rotatably connected to the inside of the hollow groove (8); a rotating rod (10) is fixedly connected to the outer side of the rotating shaft (9); a telescopic rod (11) is fixedly connected to one side of the hollow groove (8); a spring (12) is fixedly connected to the side of the rotating rod (10) close to the telescopic rod (11); and one end of the telescopic portion of the telescopic rod (11) is fixedly connected to the spring (12); The outer side of the mounting sleeve (7) is fixedly connected to an outer shell (14), an annular groove (22) is provided inside the outer shell (14), a clamping rod (15) is symmetrically installed on the inner ring of the annular groove (22), the clamping rod (15) is slidably connected to the annular groove (22), one end of the clamping rod (15) passes through the outer shell (14) and the mounting sleeve (7) and abuts against the rotating rod (10), the other end of the clamping rod (15) is fixedly connected to a top block (16), the side of the top block (16) away from the clamping rod (15) is fixedly connected to a fixing ring (18), a steel rope (19) is wound around the inside of the fixing ring (18), and the steel rope (19) is arranged in a circular shape; The top of the outer shell (14) is threadedly connected with a bolt (20), the bottom end of the bolt (20) passes through the outer shell (14) and is fixedly connected with a bottom block (21), the diameter of the bottom block (21) is larger than the diameter of the bolt (20), and the two ends of the steel rope (19) pass through the fixing ring (18) and are wrapped around and fixed on the lower outer side of the bolt (20).

2. The oil pump valve body according to claim 1, characterized in that: The empty slots (8) are arranged in an array, with no less than four of them; the rotating rod (10) is arranged in an L-shape; the abutting rod (15) is slidably connected to the mounting sleeve (7); the number of the abutting rods (15) corresponds to the empty slots (8).

3. The oil pump valve body according to claim 1, characterized in that: A blocking block (13) is fixedly connected to one side of the telescopic portion of the telescopic rod (11); the blocking block (13) is arranged obliquely, and the blocking block (13) fits with the spring 1 (12).

4. The oil pump valve body according to claim 1, characterized in that: The diameter of the top block (16) is greater than the diameter of the abutting rod (15). The top block (16) is located inside the annular groove (22). The outer side of the abutting rod (15) is sleeved with a second spring (17).

5. The oil pump valve body according to claim 4, characterized in that: The top end of the second spring (17) is fixedly connected to the top block (16), and the bottom end of the second spring (17) is fixedly connected to the inner ring side wall of the annular groove (22).

6. The oil pump valve body according to claim 1, characterized in that: One end of the abutting rod (15) close to the rotating rod (10) is arranged in an arc shape, and the abutting rods (15) are evenly arranged in an array, and the position of the abutting rod (15) corresponds to the rotating rod (10).

7. The oil pump valve body according to claim 1, characterized in that: The sealing ring (6) is located on a side of the connecting portion (3) away from the Z-shaped hole (2), the sealing ring (6) is fixedly connected to the mounting sleeve (7), and there are no less than two sealing rings (6).

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