Header with quick balance pressure
By designing a manifold with a quick-balancing pressure, the problem of damage caused by excessive internal pressure in the sealing manifold of the hydraulic system is solved, enabling timely pressure relief and gas discharge, thus ensuring the safety and sealing of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIAONING LIANHAI PETROCHEMICAL GRP CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-05-05
AI Technical Summary
In existing hydraulic systems, the sealing manifold generates significant pressure due to pipeline stress. If this pressure is not released in time, it may damage the sealing manifold or pipeline.
A pressure manifold with rapid balancing is designed, including a cylinder, a lower connecting flange, an upper connecting flange, double-ended studs, sealing rings, pressure relief and balancing components (first and second pipe joints, plugs), manifold short circuits, and other components. These components enable pressure relief and timely gas discharge.
It effectively avoids damage to the sealing manifold or pipeline, ensures sealing and safety, and facilitates the use of the equipment.
Smart Images

Figure CN224201110U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of hydraulic sealing equipment, specifically to a manifold with rapid balancing pressure. Background Technology
[0002] The sealing manifold is a pressure vessel designed, manufactured, inspected, and accepted in accordance with the relevant requirements of GB150. It is a container connecting the hydraulic cylinder and the sealing head, housing both the sealing head and the sealing cup. A pressure relief valve is located at the top to release gas from the sleeve and to depressurize when the machine is removed.
[0003] In existing hydraulic systems, due to factors such as pipeline stress, a large pressure can be generated inside the sealing manifold. This high pressure can "push" the sealing head into the manifold, preventing it from tightly fitting the sealing surface or even causing it to be pushed open by the pressure, resulting in media leakage. Therefore, if this pressure is not released in time, it may damage the sealing manifold or pipeline, thus presenting a deficiency.
[0004] In conclusion, it is necessary to invent a manifold with rapid pressure balancing. Summary of the Invention
[0005] Therefore, this utility model proposes a fast-balancing pressure manifold to solve the problem in existing hydraulic systems where, due to pipeline stress and other reasons, a large pressure is generated inside the sealing manifold, and if this pressure is not discharged in time, it may damage the sealing manifold or pipeline.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-balancing pressure manifold, comprising a cylinder, a lower connecting flange fixed to the bottom of the outer wall of the cylinder, an upper connecting flange connected to the upper end of the outer wall of the cylinder, and a pressure relief and balancing component connected to the side end of the outer wall of the cylinder.
[0007] Preferably, the top of the outer wall of the upper connecting flange is threaded with a double-ended stud through a threaded hole, and the multiple double-ended studs are evenly arranged in a ring array.
[0008] Preferably, the outer wall of the double-ended stud and the side away from the nut are threaded with nuts, and the top of the outer wall of the upper connecting flange and the inner side of the double-ended stud are provided with sealing rings for sealing.
[0009] Preferably, the pressure relief and balancing component includes a first pipe joint, which is fixed to the inner wall side of the cylinder and close to the upper connecting flange. The inner wall of the first pipe joint is threaded with a first plug for sealing.
[0010] Preferably, a lifting lug is fixed to the outer wall of the cylinder and below the first pipe joint, and a second pipe joint is provided on the outer wall of the cylinder and below the lifting lug.
[0011] Preferably, the second pipe joint is integrally fixed to the outer wall side of the cylinder, and the inner wall of the second pipe joint is threaded with a second plug to seal the inside of the second pipe joint.
[0012] Preferably, the pressure relief and balancing component further includes a manifold short connector, which is fixed above the outer wall side of the cylinder. The manifold short connector is set at a right angle to the first pipe joint, and the outer wall side of the manifold short connector is connected to a short connector flange.
[0013] The beneficial effects of this utility model are:
[0014] In this invention, the first pipe joint, the second pipe joint, and the manifold short connection can release excess pressure during the operation of the sealing head, and can also release excess gas in the cylinder in a timely manner. This can release the pressure in the cylinder in a timely manner, thereby avoiding damage to the sealing manifold or pipeline, and making it more convenient for personnel to use. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention viewed from the front.
[0016] Figure 2 This is a cross-sectional view of the present invention from the side.
[0017] Figure 3 This utility model Figure 1 A partial structural diagram viewed from above.
[0018] In the diagram: 100, cylinder; 200, lower connecting flange; 300, upper connecting flange; 310, double-ended stud; 320, nut; 330, sealing ring; 400, lifting lug; 410, first pipe fitting; 411, first plug; 430, second pipe fitting; 431, second plug; 500, manifold short connector; 510, short connector flange. Detailed Implementation
[0019] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0020] See attached document Figures 1-3The present invention provides a quick-balancing pressure manifold, comprising a cylinder 100, a lower connecting flange 200 fixed to the bottom of the outer wall of the cylinder 100, and an upper connecting flange 300 connected to the upper end of the outer wall of the cylinder 100. The top of the outer wall of the upper connecting flange 300 is threaded with double-ended studs 310 through threaded holes. Multiple double-ended studs 310 are evenly arranged in a ring array. The double-ended studs 310 are designed to cooperate with nuts 320 to connect with the hydraulic cylinder, enabling the hydraulic cylinder to... The hydraulic cylinder controls the operation of the sealing head connected to the lower connecting flange 200. Nuts 320 are threaded on the outer wall of the double-ended stud 310 on the side away from the nut 320. The nuts 320 are provided to cooperate with the double-ended stud 310 to connect the upper connecting flange 300 to the hydraulic cylinder. Sealing rings 330 are provided on the top of the outer wall of the upper connecting flange 300 and on the inner side of the double-ended stud 310. The sealing rings 330 are used to seal the connection end of the upper connecting flange 300.
[0021] The outer wall of the cylinder 100 is also connected to a pressure relief and balancing component. The pressure relief and balancing component includes a first pipe joint 410, which is fixed to the inner wall of the cylinder 100 and near the upper connecting flange 300. The inner wall of the first pipe joint 410 is threaded with a first plug 411 for sealing. Lifting lugs 400 are fixed to the outer wall of the cylinder 100 below the first pipe joints 410. Second pipe joints 430 are provided on the outer wall of the cylinder 100 below the lifting lugs 400. The head 430 is integrally fixed to the outer wall side of the cylinder 100. The inner wall of the second pipe joint 430 is threaded with a second plug 431 to seal the inside of the second pipe joint 430. The first pipe joint 410 and the second pipe joint 430 are both designed to connect with the balance pipeline, so as to balance the pressure on both sides of the sealing head when the sealing head is retracted. The first plug 411 and the second plug 431 are designed to seal the first pipe joint 410 and the second pipe joint 430 when they are not in use.
[0022] The pressure relief and balancing component also includes a manifold short-connector 500, which is fixed above the outer wall side of the cylinder 100. The manifold short-connector 500 is set at a right angle to the first pipe joint 410. Each outer wall side of the manifold short-connector 500 is connected to a short-connector flange 510. The manifold short-connector 500 can be connected to a pressure relief valve device through the short-connector flange 510. In this way, the manifold short-connector 500 can release the gas in the cylinder 100 through the pressure relief valve device and can be used to relieve pressure when the machine is removed.
[0023] The usage process of this utility model is as follows: Those skilled in the art can first assemble the device according to the above description, then connect all electrical equipment to an external power supply, and control the operation of the device through an external controller. The control programs of all electrical equipment are edited by the production personnel in advance before production. This utility model does not make any technical improvements here, but only assumes that it can normally meet the needs of personnel.
[0024] Specifically, personnel can connect the device to the corresponding hydraulic cylinder and pipeline through the upper connecting flange 300 and the lower connecting flange 200. The device can be connected to the hydraulic cylinder equipment through the double-ended studs 310 and nuts 320. Then, personnel can unscrew the first plug 411 and the second plug 431 and connect them to the corresponding balance pipeline. In actual use, personnel can use the upper connecting flange 300 to allow the hydraulic cylinder to deliver hydraulic oil to the cylinder 100 to control the operation of the sealing head. The first pipe joint 410 and the second pipe joint 430 can be used to balance the pressure on both sides of the sealing head when the sealing head is extended or retracted. The manifold short connection 500 can be used to release gas in the cylinder 100 through the pressure relief valve device and to relieve pressure when the machine is removed.
[0025] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.
Claims
1. A quick-balancing pressure manifold, characterized in that: The device includes a cylinder (100), a lower connecting flange (200) is fixed to the bottom of the outer wall of the cylinder (100), an upper connecting flange (300) is connected to the upper end of the outer wall of the cylinder (100), and a pressure relief and balancing component is also connected to the side of the outer wall of the cylinder (100).
2. The manifold with rapid balancing pressure according to claim 1, characterized in that: The top of the outer wall of the upper connecting flange (300) is threaded with a double-ended stud (310) through a threaded hole, and the multiple double-ended studs (310) are evenly arranged in a ring array.
3. The manifold with rapid balancing pressure according to claim 2, characterized in that: Nuts (320) are threaded onto the outer wall of the double-ended stud (310) on the side away from the nut (320), and sealing rings (330) for sealing are provided on the top of the outer wall of the upper connecting flange (300) and on the inner side of the double-ended stud (310).
4. The manifold with rapid balancing pressure according to claim 1, characterized in that: The pressure relief and balancing component includes a first pipe joint (410), which is fixed to the inner wall side of the cylinder (100) and close to the upper connecting flange (300). The inner wall of the first pipe joint (410) is threaded with a first plug (411) for sealing.
5. The manifold with rapid balancing pressure according to claim 4, characterized in that: Lifting lugs (400) are fixed on the outer wall of the cylinder (100) and below the first pipe joint (410), and second pipe joints (430) are provided on the outer wall of the cylinder (100) and below the lifting lugs (400).
6. The manifold with rapid balancing pressure according to claim 5, characterized in that: The second pipe joint (430) is integrally fixed to the outer wall side of the cylinder (100), and the inner wall of the second pipe joint (430) is threaded with a second plug (431) to seal the inside of the second pipe joint (430).
7. The manifold with rapid balancing pressure according to claim 4, characterized in that: The pressure relief and balancing component also includes a manifold short connector (500), which is fixed above the outer wall side of the cylinder (100). The manifold short connector (500) is set at a right angle to the first pipe joint (410), and the outer wall side of the manifold short connector (500) is connected to a short connector flange (510).