A device for oil rail sealing water inspection

Abstract

The present invention relates to a device for water inspection of the sealing property of an oil rail, comprising: a turning mechanism; a sealing clamping mechanism, which is installed on the turning mechanism and comprises a first cylinder, wherein the telescopic output end of the first cylinder is provided with a sealing plug and an air inlet plug; a support seat, which is arranged at a relative interval with the telescopic output end of the first cylinder, and the support seat is provided with an oil rail clamping station for placing the oil rail to be tested. The turning mechanism drives the sealing clamping mechanism to rotate under the action of a driving mechanism, so that the oil rail to be tested is immersed in water for inspection, and whether the parts are leaking is determined by bubbles, and the specific location of the leakage point is determined. Compared with the prior art, the present invention realizes that the oil rail to be tested clamped on the oil rail clamping station is immersed in a water tank, completes the water inspection of the sealing property of the oil rail, and determines whether it is leaking or the leakage point. It is quick and simple to use, suitable for mass production, has low technical requirements for use, and has strong operability.

Description

Technical Field

[0001] The invention relates to a sealing detection device, in particular to a device used for oil rail sealing water detection. Background Art

[0002] The high-pressure fuel rail is used to store fuel and suppress the pressure fluctuations caused by the high-pressure pump supplying fuel and the injector spraying fuel to ensure the stability of the system pressure. The sealing of the high-pressure fuel rail directly determines the function of the product. If the high-pressure fuel rail leaks, it will affect its function. The sealing test must be carried out during the production process of the high-pressure fuel rail.

[0003] At present, the oil rail sealing is generally tested by helium detection or differential pressure leak detection. These two methods can only determine whether the parts are leaking, but cannot determine where the leak point is. At present, there is an urgent need for a water inspection tool that can detect oil rail leaks and find the leak point at the same time. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems and provide a device for oil rail sealing water inspection, which can not only determine whether the parts are leaking, but also find the leakage point.

[0005] The purpose of the present invention is achieved through the following technical solutions:

[0006] A device for oil rail sealing water inspection, comprising:

[0007] Flipping mechanism;

[0008] The sealing clamping mechanism is installed on the flipping mechanism and includes:

[0009] A first cylinder, wherein a sealing plug and an air inlet plug are provided at a telescopic output end of the first cylinder;

[0010] The support seat is arranged relative to the telescopic output end of the first cylinder and is spaced apart from each other. The support seat is provided with an oil rail clamping station for placing the oil rail to be tested.

[0011] During operation, the oil rail to be tested is fixedly placed on the oil rail clamping station, the sealing plug and the air intake plug of the first cylinder enter the cup seat of the oil rail, the sealing plug seals the cup seat, and air is introduced into the oil rail to be tested through the air intake plug;

[0012] The flipping mechanism drives the sealing clamping mechanism to rotate under the action of the driving mechanism, so that the oil rail to be tested is immersed in water for testing, and the bubbles are used to determine whether the parts are leaking and the specific location of the leak point is determined.

[0013] Furthermore, the turnover mechanism comprises a seat plate, one side of which is hinged to the upper end of a vertical plate, and the vertical plate is vertically mounted on a bottom plate.

[0014] Furthermore, the seat plate is connected to the vertical plate via a pair of hinge seats and hinge pins. The hinge seats are respectively connected to the seat plate and the vertical plate and can rotate around the hinge pins to achieve rotation of the seat plate around the vertical plate.

[0015] Furthermore, the lower portion of the vertical plate is fixedly mounted on the base plate via an angle bracket.

[0016] Furthermore, the bottom plate is provided with bottom plate supporting feet at the lower end of the bottom plate.

[0017] Furthermore, the flipping mechanism achieves flipping through a driving mechanism, and the driving mechanism includes a second cylinder, the output end of the second cylinder is connected to the seat plate through an articulation joint, a hinge pin and a hinge seat in sequence, the articulation joint is connected to the output end of the second cylinder, the hinge seat is connected to the seat plate, and the articulation joint and the hinge seat are connected through the hinge pin. This structural arrangement can enable the second cylinder to flexibly drive the seat plate to complete flipping.

[0018] Furthermore, the second cylinder is located at the upper part of the seat plate, and the connection point of the output end of the second cylinder is located at the other side of the seat plate opposite to the hinge between the seat plate and the vertical plate; the second cylinder is installed on a column, and the column is fixedly installed on the bottom plate. The second cylinder is located at the upper part of the seat plate, which can realize the seat plate being flipped downward for easy immersion in water.

[0019] Furthermore, the second cylinder is installed on the column through a cylinder seat plate and a rotating shaft, one end of the rotating shaft is connected to the cylinder seat plate, and the other end is inserted into the column, a shaft sleeve is sleeved on the rotating shaft, and a gasket is arranged between the end of the rotating shaft and the column. This structural arrangement facilitates the adjustment of the position of the second cylinder and is convenient for operation.

[0020] Furthermore, the support seat is provided with a limit support block and a support block for limiting the position of the oil rail to be tested; the seat plate is provided with a plurality of stop blocks on the oil rail clamping station.

[0021] Furthermore, the first cylinder is matched with the oil rail to be tested and is provided in plurality, and is mounted on the base plate via a cylinder support.

[0022] Compared with the prior art, the present invention provides a flipping mechanism that can flip, so that the oil rail to be tested, which is clamped on the oil rail clamping station, is immersed in the water tank, and the oil rail sealing water test is completed to determine whether there is leakage and the specific location of the leakage point. It is quick and simple to use, suitable for mass production, has low technical requirements for use, and is highly operable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the device of the present invention;

[0024] Figure 2It is a schematic diagram of the main structure of the device of the present invention;

[0025] Figure 3 It is a schematic diagram of the top view of the structure of the device of the present invention;

[0026] Figure 4 It is a side structural schematic diagram of the device of the present invention;

[0027] In the figure: 1-base support foot, 2-base plate, 3-column, 4-hinge seat, 5-hinge pin, 6-joint joint, 7-washer, 8-sleeve, 9-rotating shaft, 10-cylinder seat plate, 11-hinge pin, 12-hinge seat, 13-cylinder support, 14-seat plate, 15-vertical plate, 16-angle bracket, 17-intake plug, 18-limit support block, 19-support seat, 20-sealing plug, 21-support block, 22-stopper, 23-first cylinder, 24-second cylinder, 25-oil rail to be tested. DETAILED DESCRIPTION

[0028] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] Example

[0030] Reference Figure 1-4 A device for oil rail sealing water inspection includes: a turning mechanism, and a sealing clamping mechanism, which is installed on the turning mechanism, including: a first cylinder 23, the telescopic output end of the first cylinder 23 is provided with a sealing plug 20 and an air inlet plug 17; a support seat 19, which is arranged relative to the telescopic output end of the first cylinder 23, and the support seat 19 is provided with an oil rail clamping station for placing an oil rail 25 to be tested.

[0031] Specifically, the flip mechanism includes a seat plate 14, one side of which is hinged to the upper end of a vertical plate 15, and the vertical plate 15 is vertically installed on a bottom plate 2. The seat plate 14 is connected to the vertical plate 15 through a pair of hinge seats 12 and hinge pins 11. The hinge seats 12 are respectively connected to the seat plate 14 and the vertical plate 15, and can rotate around the hinge pins 11 to realize the rotation of the seat plate 14 around the vertical plate 15. The lower part of the vertical plate 15 is fixedly installed on the bottom plate 2 through an angle bracket 16. The bottom end of the bottom plate 2 is provided with a bottom plate support foot 1.

[0032] The flipping mechanism realizes flipping through a driving mechanism, which includes a second cylinder 24. The output end of the second cylinder 24 is connected to the seat plate 14 through an articulation joint 6, a hinge pin 5 and a hinge seat 4 in sequence. The articulation joint 6 is connected to the output end of the second cylinder 24, the hinge seat 4 is connected to the seat plate 14, and the articulation joint 6 and the hinge seat 4 are connected through a hinge pin 5. This structural arrangement can realize the second cylinder 24 flexibly driving the seat plate 14 to complete flipping.

[0033] The second cylinder 24 is located on the upper part of the seat plate 14, and the connection point of the output end of the second cylinder 24 is located on the other side of the seat plate 14 opposite to the hinge of the vertical plate 15; the second cylinder 24 is installed on a column 3, and the column 3 is fixedly installed on the bottom plate 2. The second cylinder 24 is located on the upper part of the seat plate 14, which can realize the seat plate 14 to flip down and conveniently immerse in water. The second cylinder 24 is installed on the column 3 through the cylinder seat plate 10 and the rotating shaft 9. One end of the rotating shaft 9 is connected to the cylinder seat plate 10, and the other end is inserted into the column 3. The shaft sleeve 8 is sleeved on the rotating shaft 9, and a gasket 7 is set between the end of the rotating shaft 9 and the column 3. This structural setting is convenient for adjusting the position of the second cylinder 24 and convenient for operation.

[0034] The support seat 19 is provided with a limit support block 18 and a support block 21 for limiting the position of the oil rail 25 to be tested; the seat plate 14 is provided with a plurality of stoppers 22 at the oil rail clamping station. Four first cylinders 23 are provided to match the oil rail 25 to be tested and are installed on the seat plate 14 through the cylinder support 13.

[0035] During operation, the oil rail is placed on the support seat with one end against the support seat. The oil rail 25 to be tested is placed on the oil rail clamping station. The sealing plug 20 of the first cylinder 23 and the air intake plug 17 enter the cup seat of the oil rail. The sealing plug 20 seals the cup seat. The seat plate rotates under the action of the second cylinder, so that the oil rail 25 to be tested is immersed in water for detection. Whether the parts are leaking is determined by the bubbles, and the specific location of the leak point is determined.

[0036] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. A device for oil rail sealing water inspection, characterized in that: include: Flipping mechanism; The sealing clamping mechanism is installed on the flipping mechanism and includes: A first cylinder (23), wherein a sealing plug (20) and an air inlet plug (17) are provided at a telescopic output end of the first cylinder (23); A support seat (19) is arranged relative to the telescopic output end of the first cylinder (23) and spaced apart from each other, and an oil rail clamping station for placing the oil rail (25) to be tested is provided on the support seat (19); The turning mechanism comprises a seat plate (14), one side of which is hinged to the upper end of a vertical plate (15), and the vertical plate (15) is vertically mounted on a bottom plate (2); The seat plate (14) is connected to the vertical plate (15) via a pair of hinge seats (12) and hinge pins (11); The flipping mechanism is flipped by a driving mechanism, the driving mechanism comprising a second cylinder (24), the output end of the second cylinder (24) is connected to the seat plate (14) via a joint joint (6), a hinge pin (5) and a hinge seat (4) in sequence, the joint joint (6) is connected to the output end of the second cylinder (24), the hinge seat (4) is connected to the seat plate (14), and the joint joint (6) and the hinge seat (4) are connected via the hinge pin (5); The second cylinder (24) is located on the upper part of the seat plate (14), and the connection point of the output end of the second cylinder (24) is located on the other side of the seat plate (14) opposite to the hinged connection between the seat plate (14) and the vertical plate (15); The second cylinder (24) is mounted on a column (3), and the column (3) is fixedly mounted on the base plate (2); The second cylinder (24) is installed on the column (3) through a cylinder seat plate (10) and a rotating shaft (9); one end of the rotating shaft (9) is connected to the cylinder seat plate (10), and the other end is inserted into the column (3); a shaft sleeve (8) is sleeved on the rotating shaft (9), and a gasket (7) is provided between the end of the rotating shaft (9) and the column (3).

2. The device for oil rail sealing water inspection according to claim 1, characterized in that: The lower part of the vertical plate (15) is fixedly mounted on the bottom plate (2) via an angle bracket (16).

3. The device for oil rail sealing water inspection according to claim 1, characterized in that: The bottom plate (2) is provided with a bottom plate support foot (1) at the lower end.

4. The device for oil rail sealing water inspection according to claim 1, characterized in that: The support seat (19) is provided with a limit support block (18) and a support block (21) for limiting the position of the oil rail (25) to be tested; the seat plate (14) is provided with a plurality of stop blocks (22) at the oil rail clamping station.

5. The device for oil rail sealing water inspection according to claim 1, characterized in that: The first cylinder (23) is matched with the oil rail (25) to be tested and is provided in plurality, and is installed on the seat plate (14) through a cylinder support (13).

Images