Cam shaft adjusting device

Abstract

The invention relates to the technical field of cam shaft adjustment, in particular to a cam shaft adjusting device which comprises a cam shaft, an adjuster is arranged at the end of the cam shaft, gear teeth are fixedly connected to the outer side wall of the adjuster, a lantern ring is rotationally connected to the outer side wall of the adjuster in a sleeving mode, and a mounting plate is fixedly connected to the outer side wall of the lantern ring. Two mounting holes are formed in the mounting plate, a filtering mechanism is arranged on the lantern ring and comprises a spraying barrel arranged on the lantern ring, a push rod is slidably connected to the inner side wall of the spraying barrel, and a reciprocating telescopic rod, a filter screen and other mechanisms are arranged at the bottom of the spraying barrel. The whole filter screen can filter lubricating oil, impurities attached to the interior of the filter screen are isolated on the surface of the filter screen, and the phenomenon that when the lubricating oil lubricates gear teeth, the gear teeth are abraded due to the fact that the impurities are contained in the lubricating oil is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of camshaft adjustment, in particular to a camshaft adjustment device. Background Art

[0002] The camshaft adjustment device is a key component in the engine valve mechanism. It is mainly used to accurately control the phase angle of the camshaft relative to the crankshaft. It is a technical component used to adjust the phase between the crankshaft and the camshaft in the engine.

[0003] When the existing camshaft adjustment device is used in conjunction with the camshaft, although a lubricating mechanism is provided in the engine, the lubricating oil filtering mechanism of the lubricating mechanism in the engine is mainly used to filter the lubricating oil circulation system of the entire engine. The lubricating oil is pumped out from the oil pan by the oil pump, filtered by the filter, and then distributed to various lubricating parts of the engine, including the camshaft adjuster. However, in this process, the lubricating oil may absorb new impurities on the surface of pipes, joints or other components, especially after passing through some areas with severe wear. When the lubricating oil reaches the gear tooth area and is ready to be sprayed, these newly absorbed impurities may enter the gear tooth meshing area, causing wear on the gear tooth surface, affecting the use of the entire camshaft adjustment device. In addition, when the existing lubricant mechanism lubricates the camshaft adjustment device, the cooling effect on the gear teeth is relatively general. When the gear teeth are used for a long time and the gear tooth surface generates high temperature, if the gear teeth cannot be cooled in time, their aging will be aggravated, affecting their service life. Summary of the invention

[0004] The purpose of the present invention is to provide a camshaft adjustment device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a camshaft adjustment device, comprising a camshaft, an adjuster is provided at the end of the camshaft, a gear tooth is fixedly connected to the outer wall of the adjuster, a collar is rotatably sleeved on the outer wall of the adjuster, a mounting plate is fixedly connected to the outer wall of the collar, two mounting holes are provided on the mounting plate, a filtering mechanism is provided on the collar, the filtering mechanism comprises a spray barrel provided on the collar, a push rod is slidably connected to the inner wall of the spray barrel, a reciprocating telescopic rod is provided at the bottom of the spray barrel, the other end of the reciprocating telescopic rod is fixedly connected to the outer wall of the push rod, and a spray head is provided at the end of the spray barrel.

[0006] Preferably, a top box is fixedly connected to the outer wall of the spray barrel, a cleaning port is provided inside the top box, a liquid inlet channel is provided inside the top box, an oil inlet is provided at the bottom of the liquid inlet channel, the oil inlet passes through the interior of the spray barrel, an inner push plate is slidably connected to the interior of the liquid inlet channel, the inner push plate slides through to the outside of the top box, an outer push plate is slidably connected to the inner side wall of the inner push plate, a pressing spring is provided between the outer push plate and the inner push plate, and one end of the outer push plate away from the inner push plate is fixedly connected to the end of the push rod.

[0007] Preferably, an inner groove is provided at the end of the inner push plate, and a filter screen is rotatably connected to the inner side wall of the inner groove. Side grooves are provided on both sides of the filter screen, and a scraper is slidably connected to the inside of the two side grooves. A pulley is provided at the bottom of the scraper, and the pulley is in rolling contact with the inner wall of the side groove. Return springs are provided inside the side grooves on both sides, and the ends of the return springs are in contact with the scraper.

[0008] Preferably, a side chamber is formed on the side wall of the inner push plate, and a gear is fixedly connected to the side wall of the filter screen, and the gear rotates and penetrates into the interior of the side chamber. A rack is slidably connected to the inner wall of the side chamber, and the rack is meshed with the gear. A cross plate is provided at the end of the rack, and the cross plate slides and penetrates to the outside of the inner push plate. A pressure spring is provided at one end of the rack away from the cross plate, and the other end of the pressure spring contacts the inner wall of the side chamber.

[0009] Preferably, a liquid inlet processing box is provided on the outer wall of the top box, the liquid inlet processing box is communicated with the liquid inlet channel, the internal connection of the liquid inlet processing box is provided with an external pipe, a heat conducting part is sleeved on the external pipe, the internal connection of the heat conducting part is provided with a heat conducting pipe, a heat absorbing part is provided at one end of the heat conducting pipe away from the heat conducting part, and a cooling and lubrication mechanism is provided on the external pipe.

[0010] Preferably, the cooling and lubrication mechanism includes a plurality of limit grooves provided on the external tube, a disc is slidably connected to the interior of the plurality of limit grooves, a plurality of adjustment plates are provided on the outer wall of the disc, a limit spring is provided inside the plurality of limit grooves, the other end of the limit spring is in contact with the outer wall of the disc, a pushing member is provided on the outer wall of the heat conductor, and a push rod is slidably connected to the interior of the pushing member.

[0011] Preferably, a plurality of slide grooves are provided at the bottom of the external tube, and a plurality of the slide grooves are slidably connected to the inside of each of the slide grooves, a plurality of the outer walls of the protrusions are fixedly connected to a shielding plate, a slide rod is fixedly connected to the outer wall of the protrusion, the slide rod slides through the outside of the slide groove and is in sliding contact with the outer wall of the adjustment plate, and a tension spring is sleeved on one side of the slide rod located inside the slide groove.

[0012] Preferably, a cooling box is provided on the outer wall of the top box, a circulating cooling pump is provided inside the cooling box, two heat exchange fins are provided inside the cooling box, both of the heat exchange fins penetrate into the interior of the liquid inlet treatment box, a sliding rod is slidably connected to the inner wall of the cooling box, a bubble making plate is fixedly connected to one end of the sliding rod located inside the cooling box, an end of the sliding rod away from the circulating cooling pump penetrates into the interior of the top box, and a return spring is sleeved on one end of the sliding rod located inside the top box.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The setting of mechanisms such as the filter screen ensures that when the lubricating oil is sprayed onto the gear teeth through the nozzle, the entire filter screen will filter the lubricating oil and isolate the impurities attached to the inside on the surface of the filter screen, thereby preventing the lubricating oil from containing impurities when lubricating the gear teeth, causing wear of the gear teeth.

[0014] Through the setting of mechanisms such as heat exchange fins, when the lubricating oil is sprayed onto the gear teeth through the nozzle, the lubricating oil will be cooled by the two heat exchange fins. The low-temperature lubricating oil can cool the gear teeth more fully and extend the service life of the gear teeth. In addition, through the setting of multiple baffles, the baffles can adaptively adjust the lubricating oil delivery amount according to the temperature of the gear tooth surface to meet the cooling and lubrication needs of the gear teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The bottom structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic diagram of the local structure of the present invention; Figure 4 It is a schematic diagram of the spray barrel structure of the present invention; Figure 5 It is a schematic diagram of the top box structure of the present invention; Figure 6 for Figure 5 A magnified view of middle; Figure 7 It is a schematic diagram of the partial structure of the top box of the present invention; Figure 8 for Figure 7 Enlarged view of middle B; Fig. 9 It is a schematic diagram of the internal structure of the liquid inlet treatment box of the present invention; Fig.10 It is a schematic diagram of the internal structure of the pusher of the present invention; Fig.11 This is a schematic diagram of the bottom structure of the external pipe of the present invention; Fig.12 for Fig.11 Enlarged view of middle C; Fig.13 It is a schematic diagram of the back structure of the top box of the present invention; Fig.14 It is a structural schematic diagram of the inner push plate state one of the present invention; Fig.15 It is a structural schematic diagram of the inner push plate state 2 of the present invention; Fig.16 It is a schematic diagram of the planar structure of the inner push plate of the present invention.

[0016] In the attached drawings, the parts represented by the various reference numerals are as follows: 1. camshaft; 2. collar; 3. push rod; 4. regulator; 5. heat exchange fin; 6. gear; 7. heat pipe; 8. mounting hole; 9. mounting plate; 10. slide groove; 11. spray gun; 12. reciprocating telescopic rod; 13. spray head; 14. outer push plate; 15. pressing spring; 16. inner push plate; 17. top box; 18. liquid inlet treatment box; 19. cooling box; 20. sliding rod; 21. bubble making plate; 22. reset spring; 23. liquid inlet channel ; 24. Side chamber; 25. Pressure spring; 26. Gear; 27. Rack; 28. Filter; 29. ​​Horizontal plate; 30. Inner groove; 31. Side groove; 32. Return spring; 33. Scraper; 34. Heat absorbing part; 35. External pipe; 36. Heat conducting part; 37. Disc; 38. Pusher; 39. Push rod; 40. Limit spring; 41. Limit groove; 42. Shield plate; 43. Adjustment plate; 44. Bump; 45. Slide rod; 46. Tension spring; 47. Circulating cooling pump; 48. Cleaning port. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] Example 1: Please refer to Figure 1 - Fig.16A camshaft adjustment device comprises a camshaft 1, an adjuster 4 is arranged at the end of the camshaft 1, a gear 6 is fixedly connected to the outer wall of the adjuster 4, a collar 2 is rotatably sleeved on the outer wall of the adjuster 4, a mounting plate 9 is fixedly connected to the outer wall of the collar 2, two mounting holes 8 are provided on the mounting plate 9, a filtering mechanism is arranged on the collar 2, the filtering mechanism comprises a spray barrel 11 arranged on the collar 2, a push rod 3 is slidably connected to the inner wall of the spray barrel 11, a reciprocating telescopic rod 12 is arranged at the bottom of the spray barrel 11, the other end of the reciprocating telescopic rod 12 is fixedly connected to the outer wall of the push rod 3, and a spray head 13 is connected to the end of the spray barrel 11.

[0019] A top box 17 is fixedly connected to the outer wall of the spray barrel 11, a cleaning port 48 is provided inside the top box 17, a liquid inlet channel 23 is provided inside the top box 17, an oil inlet is provided at the bottom of the liquid inlet channel 23, the oil inlet penetrates into the interior of the spray barrel 11, an inner push plate 16 is slidably connected to the interior of the liquid inlet channel 23, the inner push plate 16 slides through to the outside of the top box 17, an outer push plate 14 is slidably connected to the inner side wall of the inner push plate 16, a pressing spring 15 is provided between the outer push plate 14 and the inner push plate 16, and one end of the outer push plate 14 away from the inner push plate 16 is fixedly connected to the end of the push rod 3.

[0020] An inner groove 30 is provided at the end of the inner push plate 16, and a filter screen 28 is rotatably connected to the inner side wall of the inner groove 30. Side grooves 31 are provided on both sides of the filter screen 28. A scraper 33 is slidably connected to the inside of the two side grooves 31. A pulley is provided at the bottom of the scraper 33, and the pulley is in rolling contact with the inner wall of the side groove 31. Restoring springs 32 are provided inside the side grooves 31 on both sides, and the ends of the restoring springs 32 are in contact with the scraper 33.

[0021] A side chamber 24 is formed on the side wall of the inner push plate 16, and a gear 26 is fixedly connected to the side wall of the filter screen 28. The gear 26 rotates and penetrates into the interior of the side chamber 24. A rack 27 is slidably connected to the inner wall of the side chamber 24. The rack 27 is meshed with the gear 26. A cross plate 29 is provided at the end of the rack 27. The cross plate 29 slides and penetrates to the outside of the inner push plate 16. A pressure spring 25 is provided at one end of the rack 27 away from the cross plate 29, and the other end of the pressure spring 25 contacts the inner wall of the side chamber 24.

[0022] In this example, when in use, after the camshaft 1 and the adjuster 4 are installed in the engine, the operator can fix the collar 2 into the engine through the two mounting holes 8 on the mounting plate 9. After the collar 2 is fixed, the camshaft 1 will drive the adjuster 4 to rotate, and the adjuster 4 will change the relative position of the camshaft 1 and the crankshaft, thereby adjusting the opening and closing time of the valve (this is the prior art and will not be elaborated in detail).

[0023] When the regulator 4 rotates and is connected to the timing belt through the gear 6, the operator can open the reciprocating telescopic rod 12 at the bottom to push the push rod 3 to perform reciprocating suction movement in the spray barrel 11. When the push rod 3 performs reciprocating suction movement in the spray barrel 11, the inner push plate 16 is pushed to move left and right in the top box 17 through the outer push plate 14. When the push rod 3 is in the extended state (refer to Figure 4 ), at this time, the filter screen 28 arranged at the end of the inner push plate 16 is just located in the liquid inlet channel 23. When the filter screen 28 is located in the liquid inlet channel 23, the lubricating oil transported to the liquid inlet processing box 18 by the external pipe 35 will enter the liquid inlet channel 23 and be filtered by the filter screen 28. When the filter screen 28 filters the lubricating oil, impurities will be left on the surface of the filter screen 28. The filtered lubricating oil will enter the spray barrel 11 and be sprayed onto the surface of the gear teeth 6 through the spray head 13 during the reciprocating push of the push rod 3 to lubricate the gear teeth 6. When the push rod 3 moves to the left and completely enters the spray barrel 11, the inner push plate 16 will be pushed to the left by the outer push plate 14 until the inner wall of the top box 17 contacts the cross plate 29 at the end of the inner push plate 16, and the cross plate 29 is pushed to move into the side chamber 24. When the cross plate 29 moves into the side chamber 24, it will push the rack 27 to overcome the elastic force of the pressure spring 25 and move to the right synchronously (refer to Figure 6 ), when the rack 27 moves to the right, it drives the gear 26 to rotate, and when the gear 26 rotates, it drives the filter screen 28 located outside the liquid inlet channel 23 to flip (refer to Fig.15 ), when the filter 28 is turned over, the scraper 33 will overcome the elastic force of the return spring 32 and move downward under the action of its own weight, thereby cleaning the impurities on the surface of the filter 28, avoiding impurities remaining on the surface of the filter 28 and affecting the pass rate of the filter 28, and avoiding impurities contained in the lubricating oil when lubricating the gear 6, causing wear of the gear 6.

[0024] Example 2: Please refer to Figure 1 - Fig.16 The present embodiment further explains the first embodiment, a liquid inlet treatment box 18 is arranged on the outer wall of the top box 17, the liquid inlet treatment box 18 is communicated with the liquid inlet channel 23, an external pipe 35 is arranged inside the liquid inlet treatment box 18, a heat conducting member 36 is sleeved on the external pipe 35, a heat conducting pipe 7 is arranged inside the heat conducting member 36, a heat absorbing member 34 is arranged at one end of the heat conducting pipe 7 away from the heat conducting member 36, and a cooling and lubricating mechanism is arranged on the external pipe 35.

[0025] The cooling and lubricating mechanism includes a plurality of limit grooves 41 provided on the external tube 35, a disc 37 is slidably connected to the interior of the plurality of limit grooves 41, a plurality of adjustment plates 43 are provided on the outer wall of the disc 37, a limit spring 40 is provided inside the plurality of limit grooves 41, the other end of the limit spring 40 is in contact with the outer wall of the disc 37, a pushing member 38 is provided on the outer wall of the heat conductor 36, and a push rod 39 is slidably connected to the interior of the pushing member 38.

[0026] A plurality of slide grooves 10 are provided at the bottom of the external tube 35, and a protrusion 44 is slidably connected inside each of the slide grooves 10, and a shielding plate 42 is fixedly connected to the outer wall of each of the protrusions 44, and a sliding rod 45 is fixedly connected to the outer wall of the protrusion 44. The sliding rod 45 slides through the outside of the slide groove 10 and is in sliding contact with the outer wall of the adjustment plate 43, and a tension spring 46 is sleeved on one side of the sliding rod 45 located inside the slide groove 10.

[0027] A cooling box 19 is arranged on the outer wall of the top box 17, and a circulating cooling pump 47 is arranged inside the cooling box 19. Two heat exchange fins 5 are arranged inside the cooling box 19, and both heat exchange fins 5 pass through the interior of the liquid inlet treatment box 18. A sliding rod 20 is slidably connected to the inner wall of the cooling box 19, and one end of the sliding rod 20 located inside the cooling box 19 is fixedly connected to a bubble making plate 21, and one end of the sliding rod 20 away from the circulating cooling pump 47 passes through the interior of the top box 17, and one end of the sliding rod 20 located inside the top box 17 is sleeved with a return spring 22.

[0028] In this embodiment, when the inner push plate 16 reciprocates in the top box 17, its end will intermittently contact one end of the sliding rod 20 located inside the top box 17. Under the intermittent push of the inner push plate 16 and the elastic force of the return spring 22, the cross plate 29 will drive the bubble making plate 21 to stir reciprocatingly in the cooling box 19. When the bubble making plate 21 stirs reciprocatingly in the cooling box 19, bubbles will be created in the cooling box 19. The bubbles will leave the heating surface under the action of buoyancy and move upward. In this process The movement of the bubbles will drive the flow of the surrounding liquid, generate strong convection, and promote the heat exchange between the heat exchange fins 5 and the coolant inside the cooling box 19. At this time, when the external pipe 35 transports the lubricating oil to the liquid inlet treatment box 18, after the lubricating oil enters the liquid inlet treatment box 18, it will contact and exchange heat with the heat exchange fins 5 to reduce the temperature of the lubricating oil. When the lubricating oil with reduced temperature is sprayed onto the gear teeth 6 through the spray gun 11, the gear teeth 6 can be cooled to avoid high temperature of the gear teeth 6 and affect its service life.

[0029] When the regulator 4 is in use, if it encounters a special working condition, causing the temperature of the surface of the gear teeth 6 to rise rapidly, and the small amount of lubricating oil sprayed cannot cool the surface of the regulator 4, the high temperature generated on the surface of the gear teeth 6 will be absorbed by the heat absorbing member 34 and conducted to the heat conducting member 36 by the heat conducting pipe 7 (it should be noted that the heat conducting member 36 and the heat absorbing member 34 are made of graphene material, which has a strong heat absorbing ability, and the heat conducting pipe 7 is made of brass material, which has a strong heat conducting ability). After the heat conducting member 36 absorbs the high temperature, the heat will be conducted to the pushing member 38. When the mercury in the pushing member 38 senses the high temperature, it will undergo a thermal expansion reaction, pushing the disc 37 to move downward. When the disc 37 overcomes the limit spring 4 When the elastic force of 0 moves downward, it will drive the adjustment plate 43 to move downward synchronously. When the adjustment plate 43 moves downward, the slide bar 45 will contact the upper inclined surface of the adjustment plate 43. Since the inclination of the upper side of the adjustment plate 43 is lower than the lower side of the adjustment plate 43, when the end of the slide bar 45 contacts the upper side of the adjustment plate 43, under the tension of the tension spring 46, the protrusion 44 will drive the baffle plate 42 to move to the outside of the slide groove 10, opening the bottom end of the external tube 35. When the bottom end of the external tube 35 is opened, the amount of lubricating oil delivered by the external tube 35 will increase. At this time, the amount of oil sprayed by the spray gun 11 to the gear teeth 6 through the spray head 13 will also increase. By increasing the amount of oil sprayed, the gear teeth 6 can be effectively cooled and the service life of the gear teeth 6 can be extended.

[0030] It should be noted that one-way valves are provided inside the spray head 13 and inside the oil inlet of the spray barrel 11 to ensure that the spray head 13 only sprays oil and the oil inlet only takes oil.

[0031] It should be noted that the reciprocating telescopic rod 12 pulls the push rod 3 to move outside the spray barrel 11. When it reaches the longest extent, there will be a slight pause (this is the prior art and will not be elaborated on in detail). At this time, the filter screen 28 will stay in the liquid inlet channel 23, allowing enough lubricating oil to pass through the filter screen 28 into the spray barrel 11.

[0032] It should be noted that the external pipe 35 is connected to the lubricating oil supply pipeline in the engine.

[0033] It should be noted that the elastic force of the return spring 32 is relatively weak, and a pulley is provided at the bottom of the scraper 33. When the pulley contacts the side groove 31, the friction force is relatively small. Therefore, when the filter screen 28 flips over, the scraper 33 will move downward in the side groove 31 under its own gravity. When the filter screen 28 flips back to its original position, the scraper 33 will return to its original position under the push of the elastic force of the return spring 32.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A camshaft adjustment device, comprising a camshaft (1), characterized in that: An adjuster (4) is provided at the end of the camshaft (1), a gear tooth (6) is fixedly connected to the outer wall of the adjuster (4), a collar (2) is rotatably sleeved on the outer wall of the adjuster (4), a mounting plate (9) is fixedly connected to the outer wall of the collar (2), two mounting holes (8) are provided on the mounting plate (9), a filtering mechanism is provided on the collar (2), the filtering mechanism comprises a spray barrel (11) provided on the collar (2), a push rod (3) is slidably connected to the inner wall of the spray barrel (11), a reciprocating telescopic rod (12) is provided at the bottom of the spray barrel (11), the other end of the reciprocating telescopic rod (12) is fixedly connected to the outer wall of the push rod (3), and a spray head (13) is provided at the end of the spray barrel (11).

2. A camshaft adjustment device according to claim 1, characterized in that: A top box (17) is fixedly connected to the outer wall of the spray barrel (11), a cleaning port (48) is arranged inside the top box (17), a liquid inlet channel (23) is arranged inside the top box (17), an oil inlet is provided at the bottom of the liquid inlet channel (23), the oil inlet penetrates into the interior of the spray barrel (11), an inner push plate (16) is slidably connected to the interior of the liquid inlet channel (23), the inner push plate (16) slides through to the outside of the top box (17), an outer push plate (14) is slidably connected to the inner wall of the inner push plate (16), a pressing spring (15) is arranged between the outer push plate (14) and the inner push plate (16), and one end of the outer push plate (14) away from the inner push plate (16) is fixedly connected to the end of the push rod (3).

3. A camshaft adjustment device according to claim 2, characterized in that: An inner groove (30) is provided at the end of the inner push plate (16), and a filter screen (28) is rotatably connected to the inner side wall of the inner groove (30). Side grooves (31) are provided on both sides of the filter screen (28). A scraper (33) is slidably connected to the inside of the two side grooves (31). A pulley is provided at the bottom of the scraper (33), and the pulley is in rolling contact with the inner wall of the side groove (31). Restoring springs (32) are provided inside the side grooves (31) on both sides, and the ends of the restoring springs (32) are in contact with the scraper (33).

4. A camshaft adjustment device according to claim 3, characterized in that: A side chamber (24) is formed on the side wall of the inner push plate (16); a gear (26) is fixedly connected to the side wall of the filter screen (28); the gear (26) rotates and penetrates into the inside of the side chamber (24); a rack (27) is slidably connected to the inner wall of the side chamber (24); the rack (27) is meshed with the gear (26); a transverse plate (29) is provided at the end of the rack (27); the transverse plate (29) slides and penetrates to the outside of the inner push plate (16); a pressure spring (25) is provided at one end of the rack (27) away from the transverse plate (29); the other end of the pressure spring (25) contacts the inner wall of the side chamber (24).

5. The camshaft adjustment device according to claim 2, characterized in that: A liquid inlet treatment box (18) is arranged on the outer wall of the top box (17); the liquid inlet treatment box (18) is in communication with the liquid inlet channel (23); an external pipe (35) is arranged in the internal communication of the liquid inlet treatment box (18); a heat conducting member (36) is sleeved on the external pipe (35); a heat conducting pipe (7) is arranged in the internal communication of the heat conducting member (36); a heat absorbing member (34) is arranged at one end of the heat conducting pipe (7) away from the heat conducting member (36); and a cooling and lubricating mechanism is arranged on the external pipe (35).

6. A camshaft adjustment device according to claim 5, characterized in that: The cooling and lubricating mechanism comprises a plurality of limit grooves (41) provided on the external pipe (35), a disk (37) being slidably connected to the inside of the plurality of limit grooves (41), a plurality of adjustment plates (43) being provided on the outer wall of the disk (37), a limit spring (40) being provided inside the plurality of limit grooves (41), the other end of the limit spring (40) being in contact with the outer wall of the disk (37), a pushing member (38) being provided on the outer wall of the heat conducting member (36), and a push rod (39) being slidably connected to the inside of the pushing member (38).

7. The camshaft adjustment device according to claim 5, characterized in that: A plurality of slide grooves (10) are provided at the bottom of the external tube (35), and a plurality of the slide grooves (10) are slidably connected to the inside of the plurality of the slide grooves (10), and a shielding plate (42) is fixedly connected to the outer wall of the plurality of the projections (44). A slide rod (45) is fixedly connected to the outer wall of the projection (44), and the slide rod (45) slides through the outside of the slide groove (10) and is in sliding contact with the outer wall of the adjustment plate (43), and a tension spring (46) is sleeved on one side of the slide rod (45) located inside the slide groove (10).

8. The camshaft adjustment device according to claim 2, characterized in that: A cooling box (19) is arranged on the outer wall of the top box (17), a circulating cooling pump (47) is arranged inside the cooling box (19), two heat exchange fins (5) are arranged inside the cooling box (19), both of the heat exchange fins (5) extend into the interior of the liquid inlet treatment box (18), a sliding rod (20) is slidably connected to the inner wall of the cooling box (19), one end of the sliding rod (20) located inside the cooling box (19) is fixedly connected to a bubble making plate (21), one end of the sliding rod (20) away from the circulating cooling pump (47) extends into the interior of the top box (17), and one end of the sliding rod (20) located inside the top box (17) is sleeved with a return spring (22).

Images