High-pressure union
By designing connection and sealing components, the problems of insufficient sealing performance and complex installation of high-pressure oil rings were solved, enabling quick connection, stable sealing, and flexible replacement, thus ensuring a stable oil supply and normal equipment operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-03
- Publication Date
- 2026-04-07
AI Technical Summary
Existing high-pressure oil rings have insufficient sealing performance, leading to oil leakage. The installation process is complicated and time-consuming, and maintenance and replacement are inconvenient.
A high-pressure oil ring is designed, comprising a connecting component, a sealing component, and a replacement component. Through the cooperation of components such as a first connecting pipe, a second connecting pipe, a sealing gasket, a connecting block, a connecting bolt, a mounting sleeve, an unlocking sleeve, and a ball bearing, it achieves quick connection, stable sealing, and flexible replacement.
It improves connection stability and sealing performance, simplifies the installation process, ensures stable oil flow and convenient maintenance, and adapts to the operating requirements under different working conditions.
Smart Images

Figure CN224094025U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil gage technical field more specifically, it relates to a kind of high-pressure oil gage. BACKGROUND
[0002] In the prior art, sealing performance is one of the key performances of high-pressure oil gage, it needs to ensure that under high pressure environment, oil will not leak from the connecting place, however, the existing oil gage may have deficiencies in sealing performance, leading to unstable sealing of connecting pipe during use, such unstable sealing may cause oil leakage, not only causing resource waste, but also may cause environmental pollution and safety problems.
[0003] When installing high-pressure oil gage, it needs to ensure that it can be quickly and stably fixed on the oil pump and pipeline, however, the existing oil gage may have design defects, leading to complex and time-consuming installation process, in addition, due to unstable fixation, it may cause fluctuations in oil flowing out of the oil pump, affecting the normal operation of the system and the stable supply of oil.
[0004] When maintaining or replacing the oil gage, it needs to be able to quickly and easily release the fixation between the oil gage and the installation pipe and threaded pipe, however, the existing oil gage may have difficulties in releasing fixation, leading to time-consuming and inconvenient maintenance and replacement process, such inconvenience may increase maintenance cost and time, affecting the normal operation of the equipment. SUMMARY
[0005] (I) Technical problem solved
[0006] In view of the problems existing in the prior art, the utility model provides a high-pressure oil gage to solve the technical problem that the existing oil gage may have deficiencies in sealing performance, leading to unstable sealing of connecting pipe during use mentioned in the background art.
[0007] (II) Technical solution
[0008] In order to achieve the above object, the utility model provides the following technical scheme: a high pressure oil, including oil pump, be provided with connecting assembly on the oil pump, the connecting assembly includes first connecting pipe, second connecting pipe, sealing gasket, connecting block, connecting hole and connecting bolt, the first connecting pipe is connected with the oil pump, the second connecting pipe can be detachably installed one end of the first connecting pipe, the sealing gasket is set up between the first connecting pipe and the second connecting pipe, the connecting block is fixedly installed on the first connecting pipe and the second connecting pipe, the connecting hole is set up on the first connecting pipe and the second connecting pipe, the connecting bolt is detachably installed on the connecting hole, the second connecting pipe is provided with replacement assembly through sealing assembly, the sealing assembly includes mounting sleeve, unlocking sleeve and ball, the mounting sleeve is fixedly connected on the second connecting pipe, the unlocking sleeve is slidingly connected on the outside of mounting sleeve, the ball is rollingly installed on the mounting sleeve.
[0009] The utility model further sets up that the connecting bolt is equipped with the connecting nut on screw thread connection, one end of connecting nut is pasted with the first connecting pipe, and the fixing process of connecting bolt is completed by using connecting bolt.
[0010] The utility model further sets up that the second spring is connected between the mounting sleeve and the unlocking sleeve, the moving sleeve is slidingly connected in the mounting sleeve, and the compression process of the second spring is completed by the cooperation of various components.
[0011] The utility model further sets up that the locking groove is set up on the outside of the moving sleeve, the locking groove is matched with the ball, the first spring is connected in the mounting sleeve and the moving sleeve, and the compression process of the first spring is completed by the cooperation of various components.
[0012] The utility model further sets up that the sliding block is connected on the first spring, the sliding block is slidingly connected in the moving sleeve and the mounting sleeve, one end of the sliding block is connected with the resisting block, and the resisting process of the resisting block is completed by the cooperation of various components.
[0013] The utility model further sets up that the replacement assembly includes installation pipe, threaded pipe and locking block, the installation pipe is fixedly installed and is connected one end of the moving sleeve, the threaded pipe is detachably installed one end of the installation pipe, the locking block is installed on the threaded pipe and the installation pipe respectively, and the fixing process of the installation pipe and the threaded pipe is completed by the cooperation of various components.
[0014] The utility model further sets up that the locking sleeve is installed on the installation pipe and the threaded pipe, the locking block is matched with the locking sleeve, and the fixing process of the installation pipe and the threaded pipe is promoted by using the locking sleeve.
[0015] The utility model further provides for, the installation pipe inside installation is equipped with the bellows, the bellows one end is connected with the threaded tube rotation, the installation cover inside is equipped with the restriction groove, the restriction groove is matched with the ball, through the cooperation of each component makes the extension process to threaded tube is completed.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a high pressure oil, has the following beneficial effects:
[0018] 1. The design of the connecting assembly enables the high pressure oil to stably connect the oil pump and the pipeline. Through the cooperation of the first connecting pipe, the second connecting pipe, the sealing gasket, the connecting block, the connecting hole and the connecting bolt, quick and stable connection of the oil pump and the pipeline can be realized. The sealing performance of the connection is ensured by the sealing gasket. The fixing effect of the connecting block and the connecting bolt makes the connection more firm. This design not only improves the stability of the connection, but also simplifies the installation process, ensuring that the oil flows stably from the oil pump.
[0019] 2. The design of the sealing assembly enables the high pressure oil to effectively seal the connecting pipe. Through the cooperation of the mounting sleeve, the unlocking sleeve and the ball, quick fixing and stable sealing of the sealing assembly can be realized. The sliding connection of the mounting sleeve and the moving sleeve and the locking groove design of the ball ensure the stability and reliability of the sealing assembly. This design not only improves the sealing performance, but also facilitates the replacement and maintenance of the sealing assembly, ensuring the normal operation of the oil circuit.
[0020] 3. The design of the replacement assembly enables the high pressure oil to adapt to the needs of different use conditions. Through the cooperation of the mounting pipe, the threaded pipe and the locking block, quick installation and disassembly of the threaded pipe can be realized. The setting of the bellows makes the connection between the threaded pipe and the mounting pipe more flexible, adapting to changes in different situations. This design not only improves the adaptability and flexibility of the replacement assembly, but also simplifies the maintenance process, ensuring the stable operation of the high pressure oil under different working conditions. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the overall structure schematic view of a high pressure oil in the utility model;
[0022] Figure 2 It is the sectional structure schematic view in the utility model;
[0023] Figure 3 It is the structure schematic view of the replacement assembly in the utility model;
[0024] Figure 4 It is the structure schematic view of the connecting assembly in the utility model;
[0025] Figure 5 It is a structure schematic view of the sealing assembly in the utility model.
[0026] In the figure: 1, oil pump; 2, first connecting pipe; 3, second connecting pipe; 4, sealing gasket; 5, connecting block; 6, connecting hole; 7, connecting bolt; 8, mounting sleeve; 9, unlocking sleeve; 10, rolling ball; 11, connecting nut; 12, second spring; 13, moving sleeve; 14, locking groove; 15, first spring; 16, sliding block; 17, abutting block; 18, mounting pipe; 19, threaded pipe; 20, locking block; 21, locking sleeve; 22, corrugated pipe. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0029] In the utility model, unless otherwise stated, the orientation such as "up, down" is generally for the direction shown in the drawings, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally for the left and right shown in the drawings; "inner, outer" refers to the inner and outer of the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0030] Please refer to Figures 1-5 A high-pressure oil tank, comprising an oil pump 1, the oil pump 1 is provided with a connecting assembly, the connecting assembly comprises a first connecting pipe 2, a second connecting pipe 3, a sealing gasket 4, a connecting block 5, a connecting hole 6 and a connecting bolt 7, the first connecting pipe 2 is connected with the oil pump 1, the second connecting pipe 3 is detachably installed at one end of the first connecting pipe 2, the sealing gasket 4 is attached and arranged between the first connecting pipe 2 and the second connecting pipe 3, the connecting block 5 is fixedly installed on the first connecting pipe 2 and the second connecting pipe 3, the connecting hole 6 is formed on the first connecting pipe 2 and the second connecting pipe 3, and the connecting bolt 7 is detachably installed on the connecting hole 6, the second connecting pipe 3 is provided with a replacement assembly through a sealing assembly, the sealing assembly comprises a mounting sleeve 8, an unlocking sleeve 9 and a rolling ball 10, the mounting sleeve 8 is fixedly connected to the second connecting pipe 3, the unlocking sleeve 9 is slidingly connected to the outside of the mounting sleeve 8, and the rolling ball 10 is rollingly installed on the mounting sleeve 8.
[0031] The connecting bolt 7 is provided with a connecting nut 11 in threaded connection, one end of the connecting nut 11 is attached to the first connecting pipe 2.
[0032] The second spring 12 is arranged between the mounting sleeve 8 and the unlocking sleeve 9.
[0033] The locking groove 14 is arranged on the outer side of the moving sleeve 13 and matched with the rolling ball 10. The first spring 15 is arranged in the mounting sleeve 8 and the moving sleeve 13.
[0034] The sliding block 16 is arranged on the first spring 15 and connected with the moving sleeve 13 and the mounting sleeve 8. The abutting block 17 is arranged on one end of the sliding block 16.
[0035] In the embodiment, during use, when the connection and sealing process between the first connecting pipe 2 and the second connecting pipe 3 is completed, the sealing gasket 4 is placed between the first connecting pipe 2 and the second connecting pipe 3 by hand. Then the connecting bolt 7 is inserted into the connecting hole 6. Then the connecting nut 11 is rotated along the end of the connecting nut 11. During the rotation process, the end of the connecting nut 11 is matched with the end of the first connecting pipe 2, so that the connection between the first connecting pipe 2 and the second connecting pipe 3 is completed. Then the moving sleeve 13 and the unlocking sleeve 9 are slid along the outer side of the mounting sleeve 8. During the movement, the first spring 15 is compressed, so that the rolling ball 10 is moved out of the mounting sleeve 8. Then the moving sleeve 13 is slid into the mounting sleeve 8. At this time, the unlocking sleeve 9 is released. Under the action of the first spring 15, the unlocking sleeve 9 is moved to the initial position. The rolling ball 10 is pushed out, so that the rolling ball 10 is moved to the locking groove 14 on the moving sleeve 13, thereby completing the fixation of the moving sleeve 13. During the movement of the moving sleeve 13, the abutting block 17 in the moving sleeve 13 is abutted with the mounting sleeve 8. During the movement of the moving sleeve 13, the abutting block 17 is compressed to the first spring 15, so that the abutting block 17 in the mounting sleeve 8 and the moving sleeve 13 is opened, so that the oil can flow from the moving sleeve 13 to the mounting sleeve 8.
[0036] Please refer to Figure 3 , as a high-pressure oil tank implementation of the replacement assembly: the replacement assembly includes a mounting pipe 18, a threaded pipe 19 and a locking block 20. The mounting pipe 18 is fixedly connected to one end of the moving sleeve 13. The threaded pipe 19 is detachably connected to one end of the mounting pipe 18. The locking block 20 is arranged on the threaded pipe 19 and the mounting pipe 18 respectively.
[0037] The locking sleeve 21 is arranged on the mounting pipe 18 and the threaded pipe 19. The locking block 20 is matched with the locking sleeve 21.
[0038] The mounting pipe 18 is internally provided with a bellows 22, one end of the bellows 22 is rotationally connected with the threaded pipe 19, and the mounting sleeve is internally provided with a limiting groove matched with the rolling ball.
[0039] More specifically, in use, the threaded pipe 19 is connected with the pipe for injecting lubricating oil, and in use, due to the change of use state, one end of the threaded pipe 19 is rotated along the mounting pipe 18, in the rotation process, the unlocking sleeve 9 is away from the locking block 20, then the threaded pipe 19 is manually pulled, in the pulling process, the bellows 22 between the mounting pipe 18 and the threaded pipe 19 is stretched, so as to be applicable to different situations.
[0040] In summary, in use or operation, when the connection and sealing process between the first connecting pipe 2 and the second connecting pipe 3 is completed, the sealing gasket 4 is placed between the first connecting pipe 2 and the second connecting pipe 3 by hand, then the connecting bolt 7 is inserted along the connecting hole 6, then the connecting nut 11 is rotated along the end of the connecting nut 11, and in the rotation process, the end of the connecting nut 11 is matched with the end of the first connecting pipe 2, so as to complete the connection of the first connecting pipe 2 and the second connecting pipe 3, then the moving sleeve 13 is slid along the outside of the mounting sleeve 8, and in the movement process, the first spring 15 is compressed, so that the rolling ball 10 is moved out of the mounting sleeve 8, then the moving sleeve 13 is slid into the mounting sleeve 8, at this time, the unlocking sleeve 9 is released, under the action of the first spring 15, the unlocking sleeve 9 is moved to the initial position, the rolling ball 10 is pushed out, so that the rolling ball 10 is moved to the locking groove 14 on the moving sleeve 13, so as to complete the fixation of the moving sleeve 13, and in the movement of the moving sleeve 13, the moving sleeve 13 is abutted with the abutting block 17 in the mounting sleeve 8, and with the movement of the moving sleeve 13, the abutting block 17 is compressed to the first spring 15, so that the abutting block 17 in the mounting sleeve 8 and the moving sleeve 13 is opened, so that the oil can flow from the moving sleeve 13 to the mounting sleeve 8.
[0041] In use, the threaded pipe 19 is connected with the pipe for injecting lubricating oil, and in use, due to the change of use state, one end of the threaded pipe 19 is rotated along the mounting pipe 18, in the rotation process, the unlocking sleeve 9 is away from the locking block 20, then the threaded pipe 19 is manually pulled, in the pulling process, the bellows 22 between the mounting pipe 18 and the threaded pipe 19 is stretched, so as to be applicable to different situations.
[0042] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, whenever there is a fixed connection, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-pressure oil pump, comprising an oil pump (1), characterized in that: The oil pump (1) is provided with a connecting assembly, which includes a first connecting pipe (2), a second connecting pipe (3), a sealing gasket (4), a connecting block (5), a connecting hole (6), and a connecting bolt (7). The first connecting pipe (2) is connected to the oil pump (1), and the second connecting pipe (3) is detachably installed at one end of the first connecting pipe (2). The sealing gasket (4) is fitted between the first connecting pipe (2) and the second connecting pipe (3), and the connecting block (5) is fixedly installed on the first connecting pipe (2) and the second connecting pipe (3). (3) The connecting hole (6) is opened on the first connecting pipe (2) and the second connecting pipe (3). The connecting bolt (7) is detachably installed on the connecting hole (6). The second connecting pipe (3) is provided with a replacement component through a sealing assembly. The sealing assembly includes an installation sleeve (8), an unlocking sleeve (9) and a ball (10). The installation sleeve (8) is fixedly connected to the second connecting pipe (3). The unlocking sleeve (9) is slidably connected to the outside of the installation sleeve (8). The ball (10) is rolled on the installation sleeve (8).
2. The high-pressure oil ring according to claim 1, characterized in that: The connecting bolt (7) is threaded with a connecting nut (11), one end of which is in contact with the first connecting pipe (2).
3. The high-pressure oil ring according to claim 2, characterized in that: A second spring (12) is provided between the mounting sleeve (8) and the unlocking sleeve (9), and a movable sleeve (13) is slidably connected inside the mounting sleeve (8).
4. A high-pressure oil ring according to claim 3, characterized in that: The movable sleeve (13) has a locking groove (14) on its outer side, which is adapted to the ball (10). The mounting sleeve (8) and the movable sleeve (13) are both connected with a first spring (15).
5. A high-pressure oil ring according to claim 4, characterized in that: A sliding block (16) is connected to the first spring (15). The sliding block (16) is slidably connected inside the movable sleeve (13) and the mounting sleeve (8). An abutment block (17) is connected to one end of the sliding block (16).
6. A high-pressure oil ring according to any one of claims 1-5, characterized in that: The replacement component includes an installation tube (18), a threaded tube (19), and a locking block (20). The installation tube (18) is fixedly connected to one end of the movable sleeve (13). The threaded tube (19) is detachably installed at one end of the installation tube (18). The locking block (20) is installed on the threaded tube (19) and the installation tube (18) respectively.
7. A high-pressure oil ring according to claim 6, characterized in that: Locking sleeves (21) are installed on both the mounting pipe (18) and the threaded pipe (19), and the locking block (20) is adapted to the locking sleeve (21).
8. A high-pressure oil ring according to claim 7, characterized in that: The mounting tube (18) is equipped with a corrugated tube (22), one end of which is rotatably connected to a threaded tube (19). The mounting sleeve (8) is provided with a limiting groove (23), which is adapted to the ball (10).