A cylinder head rapid water test fixture

Abstract

The invention discloses a cylinder head rapid water test fixture, which relates to the technical field of cylinder head sealing detection, and comprises a cylinder head body, a sealing gasket and a bottom, wherein the top end of the bottom is provided with the cylinder head body, a first cylinder is provided on one side of the bottom, and a sealing gasket is installed on the output end of the first cylinder, an exhaust duct sealing plate is provided on the outer wall of the sealing gasket, and one side of the exhaust duct sealing plate is fitted with one end of the cylinder head body, a first block, a second block and a third block are provided on the top end of the bottom, and a holding mechanism for stably holding the position of the cylinder head body is provided inside the first block, the second block and the third block, and a base is installed on the top end of the bottom, and the device has the function of starting the second cylinder to drive the connecting block to move downward, so that the connecting block drives the fixing block and the intake duct sealing plate to fit tightly with the cylinder head body position intake duct for facilitating underwater testing.

Description

Technical Field

[0001] The invention relates to the technical field of cylinder head sealing detection, in particular to a cylinder head rapid water test fixture. Background Art

[0002] The automobile engine block is a key component of the automobile. It is large in size, complex in structure and shape, and has very high casting quality requirements, and no defects are allowed. The four-cylinder engine block is usually formed by casting. During the casting process, pores and shrinkage holes are very likely to appear, but they are difficult to observe with the naked eye. For the cast four-cylinder engine block, if there are pores and shrinkage holes without air tightness testing, it is easy to leak water and oil after the engine assembly is assembled. In order to avoid water and oil leakage in the engine assembly, a water pressure leak test is arranged in the air tightness quality inspection of the four-cylinder engine block, making leakage detection technology gradually become a key to engine manufacturing.

[0003] However, the existing cylinder head rapid water test fixture has the following problems during use: the traditional processing method requires operators to conduct underwater testing and has strict sealing requirements, but when encountering water leakage locations in engine cylinders of different sizes, the sealing clamping fixture needs to be replaced, which cannot meet the diversified market demands. Summary of the invention

[0004] The object of the present invention is to provide a cylinder head rapid water test fixture to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cylinder head rapid water test fixture, comprising a cylinder head body, a sealing pad and a bottom, the top of the bottom is provided with the cylinder head body, one side of the bottom is provided with a first cylinder, and the output end of the first cylinder is installed with a sealing pad, the outer wall of the sealing pad is provided with an exhaust duct sealing plate, and one side of the exhaust duct sealing plate is in contact with one end of the cylinder head body, the top of the bottom is provided with a first stopper, a second stopper and a third stopper, and the first stopper, the second stopper and the third stopper are provided with a pressure-holding member for stabilizing the pressure holding. The holding mechanism for the position of the cylinder head body, a base is installed at the top of the bottom, and a support plate is arranged at the top of the base, the inner wall of the support plate is provided with a tilt adjustment mechanism for adjusting the angle of the support plate, a cylinder mounting plate is installed on the inner wall of the support plate, and a second cylinder is installed on one side of the cylinder mounting plate, the output end of the second cylinder passes through a connecting rod of the cylinder mounting plate, and a connecting block is installed on the outer wall of the connecting rod, a fixing block is installed on one side of the connecting block, and an intake duct sealing plate in contact with one end of the cylinder head body is installed on the outer wall of the connecting block.

[0006] The technical solution provides a cylinder head rapid water test fixture, wherein a guide sleeve is arranged on one side of the cylinder mounting plate, and a guide rod penetrating the fixing block is arranged inside the guide sleeve.

[0007] The technical solution provides a cylinder head rapid water test fixture, wherein a lifting lug is welded to the top end of the bottom.

[0008] The technical solution provides a cylinder head rapid water test fixture, wherein a cylinder seat is arranged on one side of the bottom close to the first cylinder, and a mounting block connected to the bottom end of the bottom is fixed to the outer wall of the cylinder seat by bolts.

[0009] The technical solution provides a cylinder head quick water test fixture, the holding mechanism includes screws and nuts, the top inner walls of the first block, the second block and the third block are provided with nuts, and the inside of the nut is provided with screws that contact the cylinder head body.

[0010] The technical solution provides a cylinder head quick water test fixture, wherein the first stop block, the second stop block and the third stop block are internally provided with positioning screws in contact with the upper part of the bottom, and the bottom ends of the first stop block, the second stop block and the third stop block are provided with flat keys adapted to the upper part of the bottom.

[0011] The technical solution provides a cylinder head quick water test fixture, the tilt adjustment mechanism includes a fixed seat and a T-shaped pull rod, the fixed seat is installed on one side of the base, and a fixed shaft is installed inside the fixed seat, a slot is opened on the outer wall of the fixed shaft, an insert block is sleeved on the outer wall of the fixed shaft, and a fixing screw in contact with the outer wall of the support plate is arranged inside the insert block, and a pad is arranged above the base.

[0012] The technical solution provides a cylinder head rapid water test fixture, wherein the inner wall of the fixing seat is provided with a T-shaped pull rod passing through a slot, and the outer wall of the T-shaped pull rod is sleeved with a spring, and a guide rod passing through the fixing seat is installed on one side of the fixing seat.

[0013] The technical solution provides a cylinder head quick water test fixture, wherein the top end of the second cylinder is provided with a straight-through triangular quick-plug connector.

[0014] Compared with the prior art, the present invention provides a cylinder head rapid water test fixture, which has the following beneficial effects:

[0015] 1. The present invention engages the screw with the nut by rotating it, so that the screw is pressed and fixed to the cylinder head body. In addition, the first cylinder can be started to push the sealing plate to fit the exhaust duct of the cylinder head body. In addition, the exhaust duct sealing plate can increase the sealing performance. At the same time, the second cylinder is started to drive the connecting block to move downward, so that the connecting block drives the fixing block and the intake duct sealing plate to fit tightly with the intake duct of the cylinder head body to facilitate underwater testing.

[0016] 2. The present invention allows an operator to manually pull the T-shaped pull rod apart from the slot position, which causes the spring to contract. The operator can then rotate the support plate to drive the insert block to rotate on the outer wall of the fixed shaft, thereby causing the insert block to drive the support plate position to move upward. The cushion block is then placed above the base to play a supporting role, so as to facilitate adjustment of the fitting angle between the intake duct sealing plate position and the cylinder head body position, which is suitable for improving the adaptability of different cylinder head body position inclinations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0019] Figure 3 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0020] Figure 4 It is a schematic diagram of the front and cross-sectional structure of the base and the support plate of the present invention;

[0021] Figure 5 For the present invention Figure 4 A is an enlarged structural diagram of FIG.

[0022] In the figure: 1. connecting rod; 2. connecting block; 3. support plate; 4. cylinder mounting plate; 5. straight-through triangular quick-connect connector; 6. intake duct sealing plate; 7. cylinder head body; 8. first stopper; 9. sealing pad; 10. first cylinder; 11. bottom; 12. mounting block; 13. cylinder seat; 14. exhaust duct sealing plate; 15. screw; 16. nut; 17. positioning screw; 18. second stopper; 19. flat key; 20. spring; 21. third stopper; 22. fixing block; 23. guide rod; 24. lifting ear; 25. guide sleeve; 26. base; 27. second cylinder; 28. pad; 29. ​​insert block; 30. fixing screw; 31. fixing seat; 32. T-type pull rod; 33. fixing shaft; 34. slot; 35. guide rod. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1, as Figure 1-2As shown, the present invention provides a technical solution: a cylinder head rapid water test fixture, comprising a cylinder head body 7, a sealing pad 9 and a bottom 11, the top of the bottom 11 is provided with the cylinder head body 7, one side of the bottom 11 is provided with a first cylinder 10, and the output end of the first cylinder 10 is installed with a sealing pad 9, the outer wall of the sealing pad 9 is provided with an exhaust duct sealing plate 14, and one side of the exhaust duct sealing plate 14 is in contact with one end of the cylinder head body 7, the top of the bottom 11 is provided with a first stopper 8, a second stopper 18 and a third stopper 21, and the first stopper 8, the second stopper 18 and the third stopper 21 are provided with a holding mechanism for stabilizing the position of the cylinder head body 7, one side of the cylinder mounting plate 4 is provided with a guide sleeve 25, and the guide sleeve 25 is provided with a guide rod 23 passing through the fixing block 22, the top of the bottom 11 is welded with a lifting ear 24, the side of the bottom 11 close to the first cylinder 10 is provided with a cylinder seat 13, and the cylinder seat 13 The outer wall is fixed with a mounting block 12 connected to the bottom end of the bottom 11 by bolts, the holding mechanism includes a screw 15 and a nut 16, the top inner walls of the first block 8, the second block 18 and the third block 21 are provided with a nut 16, and the nut 16 is provided with a screw 15 in contact with the cylinder head body 7, the first block 8, the second block 18 and the third block 21 are provided with a positioning screw 17 in contact with the top of the bottom 11, the bottom ends of the first block 8, the second block 18 and the third block 21 are provided with a flat key 19 adapted to the top of the bottom 11, the inner wall of the support plate 3 is installed with a cylinder mounting plate 4, and a second cylinder 27 is installed on one side of the cylinder mounting plate 4, the output end of the second cylinder 27 passes through a connecting rod 1 of the cylinder mounting plate 4, and a connecting block 2 is installed on the outer wall of the connecting rod 1, a fixing block 22 is installed on one side of the connecting block 2, and an intake duct sealing plate 6 in contact with one end of the cylinder head body 7 is installed on the outer wall of the connecting block 2 A straight-through triangular quick-connect connector 5 is provided at the top of the second cylinder 27. By engaging the rotating screw 15 with the nut 16, the screw 15 is pressed and fixed to the position of the cylinder head body 7. In addition, the first cylinder 10 can be started to push the sealing gasket 9 to fit the exhaust duct of the cylinder head body 7. In addition, the exhaust duct sealing plate 14 can increase the sealing performance. At the same time, the second cylinder 27 is started to drive the connecting block 2 to move downward, so that the connecting block 2 drives the fixing block 22 and the intake duct sealing plate 6 to fit closely with the intake duct of the cylinder head body 7 to facilitate underwater testing.

[0025] Embodiment 2, as Figure 1-5As shown, the present invention provides a technical solution: a cylinder head rapid water test fixture, including a support plate 3 arranged at the top of the bottom 11, a tilt adjustment mechanism for adjusting the angle of the support plate 3 arranged on the inner wall of the support plate 3, the tilt adjustment mechanism including a fixing seat 31 and a T-shaped pull rod 32, a cushion block 28 is arranged above the base 26, a fixing seat 31 is installed on one side of the base 26, and a fixing shaft 33 is installed inside the fixing seat 31, a slot 34 is opened on the outer wall of the fixing shaft 33, an insert block 29 is sleeved on the outer wall of the fixing shaft 33, and a fixing screw 30 in contact with the outer wall of the support plate 3 is arranged inside the insert block 29, and a through hole 34 is arranged on the inner wall of the fixing seat 31. A T-shaped pull rod 32 passes through the slot 34, and the outer wall of the T-shaped pull rod 32 is sleeved with a spring 20. A guide rod 35 that passes through the fixed seat 31 is installed on one side of the fixed seat 31. When the operator manually pulls the T-shaped pull rod 32 to separate from the slot 34, the spring 20 is tightened. Then the operator can rotate the support plate 3 to drive the plug block 29 to rotate on the outer wall of the fixed shaft 33, so that the plug block 29 drives the support plate 3 to move upward. Then the pad block 28 is placed above the base 26 to play a supporting role, so as to facilitate the adjustment of the fitting angle between the position of the intake duct sealing plate 6 and the position of the cylinder head body 7, which is suitable for improving the adaptability of the inclination of different cylinder head body 7 positions.

[0026] Working principle: First, turn on the external power supply, and the operator can place the cylinder head body 7 above the bottom 11, and then engage the rotating screw 15 with the nut 16, so that the screw 15 is pressed and fixed to the position of the cylinder head body 7. In addition, the first cylinder 10 can be started to push the sealing plate 9 to fit the exhaust duct of the cylinder head body 7. In addition, the exhaust duct sealing plate 14 can increase the sealing performance. At the same time, the second cylinder 27 is started to drive the connecting block 2 to move downward, so that the connecting block 2 drives the fixing block 22 and the intake duct sealing plate 6 to fit closely with the intake duct of the cylinder head body 7, so as to facilitate underwater testing;

[0027] When the intake ducts of different cylinder head bodies 7 need to be sealed together, the operator needs to manually pull the T-shaped pull rod 32 and the slot 34 apart, so that the spring 20 is tightened. The operator can then rotate the support plate 3 to drive the insert block 29 to rotate on the outer wall of the fixed shaft 33, so that the insert block 29 drives the support plate 3 to move upward, and then place the pad 28 above the base 26 to play a supporting role, so as to adjust the fitting angle between the intake duct sealing plate 6 and the cylinder head body 7, which is suitable for improving the adaptability of the inclination of different cylinder head bodies 7.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A cylinder head rapid water test fixture, comprising a cylinder head body (7), a sealing pad (9) and a bottom (11), characterized in that: A cylinder head body (7) is arranged at the top of the bottom (11), a first cylinder (10) is arranged on one side of the bottom (11), and a sealing pad (9) is installed at the output end of the first cylinder (10), an exhaust duct sealing plate (14) is arranged on the outer wall of the sealing pad (9), and one side of the exhaust duct sealing plate (14) is in contact with one end of the cylinder head body (7), a first stopper (8), a second stopper (18) and a third stopper (21) are arranged at the top of the bottom (11), and a holding mechanism for stably holding the position of the cylinder head body (7) is arranged inside the first stopper (8), the second stopper (18) and the third stopper (21), a base (26) is installed at the top of the bottom (11), and a A support plate (3), wherein an inner wall of the support plate (3) is provided with a tilt adjustment mechanism for adjusting the angle of the support plate (3), a cylinder mounting plate (4) is mounted on the inner wall of the support plate (3), and a second cylinder (27) is mounted on one side of the cylinder mounting plate (4), an output end of the second cylinder (27) passes through a connecting rod (1) of the cylinder mounting plate (4), and a connecting block (2) is mounted on the outer wall of the connecting rod (1), a fixing block (22) is mounted on one side of the connecting block (2), and an intake duct sealing plate (6) in contact with one end of a cylinder head body (7) is mounted on the outer wall of the connecting block (2), and a guide sleeve (25) is arranged on one side of the cylinder mounting plate (4), and a guide rod passing through the fixing block (22) is arranged inside the guide sleeve (25). (23), a lifting ear (24) is welded to the top of the bottom (11), a cylinder seat (13) is arranged on the side of the bottom (11) close to the first cylinder (10), and a mounting block (12) connected to the bottom end of the bottom (11) is fixed to the outer wall of the cylinder seat (13) by bolts, the holding mechanism comprises a screw (15) and a nut (16), the top inner walls of the first block (8), the second block (18) and the third block (21) are provided with a nut (16), and the nut (16) is provided with a screw (15) in contact with the inside of the cylinder head body (7), the first block (8), the second block (18) and the third block (21) are provided with a positioning screw (17) in contact with the top of the bottom (11), and the first block (8), the second block (18) and the third block (21) are provided with a positioning screw (17) in contact with the top of the bottom (11), and the first block (8), the second block (18) and the third block (21) are provided with a positioning screw (17) in contact with the top of the bottom (11), and the first block (8), the second block (18) and the third block (21) are provided with a positioning screw (17) in contact with the top of the bottom (11). A flat key (19) adapted to the top of the bottom (11) is arranged at the bottom ends of the first stopper (8), the second stopper (18) and the third stopper (21); the tilt adjustment mechanism comprises a fixed seat (31) and a T-shaped pull rod (32); a fixed seat (31) is installed on one side of the base (26); a fixed shaft (33) is installed inside the fixed seat (31); a slot (34) is opened on the outer wall of the fixed shaft (33); an insert block (29) is sleeved on the outer wall of the fixed shaft (33); a fixing screw (30) in contact with the outer wall of the support plate (3) is arranged inside the insert block (29); a cushion block (28) is arranged above the base (26); a T-shaped pull rod (32) penetrating the slot (34) is arranged on the inner wall of the fixed seat (31);The outer wall of the T-shaped pull rod (32) is sleeved with a spring (20), a guide rod (35) penetrating the fixed seat (31) is installed on one side of the fixed seat (31), and a straight-through triangular quick-connect connector (5) is provided at the top of the second cylinder (27).

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