Direct-acting type oil supplementing overflow valve
By using a limit slider and locking block structure, combined with an O-ring sealing design, the problem of valve core rotation in traditional oil replenishment overflow valves is solved, achieving linear sliding of the valve core and improving sealing performance, extending service life and simplifying maintenance.
Patent Information
- Application Number
- CN202423212097.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The valve core of the traditional oil-filling relief valve is prone to self-rotation, causing the spring to twist, affecting the sealing performance and service life, and making it difficult to effectively limit the position.
The valve core is designed with a limit slider and a locking block structure, combined with an O-ring seal design, to ensure that the valve core slides along a straight trajectory. The design of the decomposed valve core rod and spring pad improves sealing performance and flexibility.
It effectively prevents the valve core from rotating on its own, extends the life of the valve core and spring, improves sealing performance and operational flexibility, adapts to different installation spaces, and simplifies maintenance.
Smart Images
Figure CN223459634U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil supplementing overflow valve technical field, especially a direct action type oil supplementing overflow valve. BACKGROUND
[0002] Oil supplementing overflow valve is an important hydraulic control element, and is mainly used in a hydraulic system to ensure stability and safety of the system. The traditional oil supplementing overflow valve does not have a limiting structure, and the valve core is cylindrical, and the inner cavity thereof is circular, which leads to self-rotation of the valve core under high pressure, and the valve core is easily movable in the valve. Even if a spring is arranged, the spring is difficult to limit the valve core. Moreover, under the action of the spring force, the valve core is easily shaken repeatedly, which greatly affects the oil supplementing work of the overflow valve, and even the spring is twisted, the spring is deformed, the spring force is reduced, and the valve core is not completely reset, oil leakage and oil seepage occur.
[0003] In view of the above problems, the utility model improves. SUMMARY
[0004] The utility model discloses a direct action type oil supplementing overflow valve, which solves the above problems in the prior art.
[0005] The utility model discloses a direct action type oil supplementing overflow valve, which solves the above problems in the prior art.
[0006] The utility model discloses a direct action type oil supplementing overflow valve, which solves the above problems in the prior art.
[0007] The utility model discloses a direct action type oil supplementing overflow valve, which solves the above problems in the prior art.
[0008] The utility model discloses a direct-acting oil supplementing overflow valve as described above further: the one side of valve housing inner chamber is equipped with the accommodating groove, and the accommodating groove and the valve core rod are on the same axis.
[0009] The utility model discloses a direct-acting oil supplementing overflow valve as described above further: the one side of valve housing inner chamber is equipped with the accommodating groove, and the accommodating groove and the valve core rod are on the same axis.
[0010] The utility model discloses a direct-acting oil supplementing overflow valve as described above further: the one side of valve core rod surface is equipped with the end, and the surface of valve core rod is equipped with spring no.
[0011] The utility model discloses a direct-acting oil supplementing overflow valve as described above further: the valve core rod includes the rod piece no.
[0012] Summarized above, the beneficial effects of the utility model lie in:
[0013] 1, the utility model discloses the structure design of can be in the valve core sliding work and limit, and the oil supplementing overflow valve works under the cooperation of limiting structure, and the valve core slides according to the set linear trajectory and works, avoids the valve core and produces autorotation when working, reduces the abrasion of valve core to the inner wall of valve, also reduces the excessive distortion of built-in spring when the valve core works, thereby prolongs the service life of valve core and spring, improves the sealing of valve body, provides convenient for the work use of user.
[0014] 2, the utility model discloses the setting of recess one and O type ring one, and recess one is used to install O type ring one, and when the overflow valve works, can seal the gap between end and valve housing inner wall, thereby improves the sealing of overflow valve in the work, guarantees the normal work of overflow valve, provides convenient for the work use of user.
[0015] 3, the utility model discloses the setting of recess two and O type ring two, and recess two is used to install O type ring two, so when installing entire overflow valve, O type ring two can seal the gap between overflow valve and equipment, thereby improves the sealing of overflow valve when working, provides convenient for the work use of user.
[0016] 4. The utility model is adapted to the valve core rod by setting an adaptation groove. When the valve core rod is moving, it can also move into the adaptation groove, so that even if the support block touches the inner wall of the valve shell, the working movement of the valve core rod will not be restricted and will not be collided, thereby ensuring the flexibility of the valve core rod, reducing the wear on the valve core rod, and providing convenience for the user's work.
[0017] 5. The utility model arranges the spring pad and the spring one, the spring one is fixed on the spring pad, and then the spring one is fixed on the inner wall of the valve housing through the spring pad. The spring pad is installed and fixed with screws, so the spring one can also be disassembled from the inner wall of the valve housing, which not only ensures the working stability of the spring one, but also improves the flexibility of the use of the spring one, providing convenience for the user's work.
[0018] 6. The utility model uses the arrangement of spring 2 and the end head. When the end head moves during operation, spring 2 will be pushed. Then spring 2 will support the block to slide in the valve housing. The support block will drive the valve core rod to move. The valve core rod will move toward the adaptation groove until it enters the adaptation groove and stops moving. At the same time, the support block will compress spring 1, and then the end head will compress spring 2 until the relief valve can work normally. When the relief valve is closed, spring 2 will return to its original state and reset from the moving end head, thereby ensuring the flexibility of the end head during operation and improving the flexibility of the relief valve, providing convenience for users' work.
[0019] 7. The utility model adopts a decomposable structural design through the setting of the valve core rod, and designs the traditional whole rod-shaped valve core rod into a decomposable multi-section type. In this way, the valve core rod can be shortened in length in the required installation environment, thereby adapting to various installation spaces and providing convenience for the user's installation work. When the valve core rod is disassembled, it is only necessary to twist the rod part 2, and the rod part 2 drives the threaded pin to rotate and then move out of the threaded groove. In this way, the rod part 2 can be separated from the rod part 1, completing the disassembly of the valve core rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention;
[0023] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the present invention;
[0024] Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the valve housing;
[0025] Figure 5 It is a schematic diagram of the three-dimensional structure decomposition of the valve core rod.
[0026] In the figure: 1. valve housing, 2. valve core rod, 3. support block, 4. mounting groove, 5. limiting slider, 6. fastening bolt, 7. limiting slide groove, 8. clamping block, 9. clamping groove, 10. fixing retaining ring, 11. groove one, 12. O-ring one, 13. groove two, 14. O-ring two, 15. adaptation groove, 16. spring washer, 17. spring one, 18. spring two, 19. end, 201. rod one, 202. rod two, 203. threaded groove, 204. threaded pin. DETAILED DESCRIPTION
[0027] The following is a combination of the appended examples of the present invention Figures 1-5 , clearly and completely describes 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 them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention. Example
[0028] A direct-acting oil-filling overflow valve comprises a valve housing 1, an inner cavity of the valve housing 1 is provided with a valve core rod 2, a surface of the valve core rod 2 is fixedly mounted with a support block 3 that slides in the inner cavity of the valve housing 1, the top and bottom of the support block 3 are provided with mounting grooves 4, a limiting slider 5 is embedded inside the mounting groove 4, one side of the limiting slider 5 is embedded with a fastening bolt 6, the limiting slider 5 is fixedly mounted on the support block 3 by the fastening bolt 6, the top and bottom of the inner cavity of the valve housing 1 are provided with limiting grooves 7 that are compatible with the limiting slider 5, the surface of the support block 3 on which the valve core rod 2 is fixedly mounted is fixedly connected with evenly distributed clamping blocks 8, a clamping groove 9 that is compatible with the clamping block 8 is provided on the inner wall of the support block 3, and a fixed retaining ring 10 that is sleeved on the valve core rod 2 is embedded on one side of the support block 3.
[0029] The specific use process is as follows: when the overflow valve is working, the end 19 is pushed to slide on the valve core rod 2, then the end 19 compresses the spring 18, then the spring 18 pushes the support block 3 to slide in the valve shell 1, the support block 3 drives the valve core rod 2 to slide in the valve shell 1, and the support block 3 compresses the spring 17, wherein, when the end 19 works and moves, the spring 18 is pushed, then the spring 18 supports the support block 3 to slide in the valve shell 1, the support block 3 drives the valve core rod 2 to move, the valve core rod 2 moves towards the direction of the adaptive groove 15, and stops moving until it enters the adaptive groove 15, at the same time, the support block 3 compresses the spring 17, then the end 19 compresses the spring 18, until the overflow valve can work normally, when the overflow valve is closed, the spring 18 also restores to reset the end 19, so as to ensure the flexibility of the end 19 when working, improve the flexibility of the overflow valve when working, provide convenience for the user's work, the spring 17 is fixed on the spring pad 16, then the spring 17 is fixed and installed on the inner wall of the valve shell 1 through the spring pad 16, and the spring pad 16 is installed and fixed by screws, so the spring 17 can also be disassembled from the inner wall of the valve shell 1, which not only ensures the stability of the spring 17 when working, but also improves the flexibility of the spring 17 when working, provides convenience for the user's work, at the same time, the support block 3 also drives the limiting sliding block 5 to slide in the corresponding limiting sliding groove 7 when moving, it should be noted that the length of the limiting sliding groove 7 is designed according to the actual working distance, which is prior art, the user can decide according to the actual working requirement, so that the working movement of the valve core rod 2 and the support block 3 can be limited under the cooperation of the limiting sliding block 5 and the limiting sliding groove 7, which not only can prevent the valve core rod 2 from rotating when working, but also can ensure the normal and smooth working of the valve core rod 2, ensure the normal working of the overflow valve, provide convenience for the user's work, and because the block 8 is also arranged on the rod 201, the block 8 is clamped in the slot 9 during installation, and the side is sealed by the fixed retaining ring 10, under the cooperation of the block 8 and the slot 9, the self-rotation of the valve core rod 2 in the support block 3 can be limited, so that the support block 3 can also be flexibly disassembled from the valve core rod 2 for maintenance and replacement, which is convenient for the user to assemble the valve core rod 2 and the support block 3, provides convenience for the user's work, the limiting sliding block 5 is fixed and installed on the support block 3 by the fastening bolt 6, so that the limiting sliding block 5 can be replaced flexibly when damaged, which provides convenience for the user's work, wherein, the groove 11 is used to install the O-ring 12, which can seal the gap between the end 19 and the inner wall of the valve shell 1 when the overflow valve is working, thereby improving the sealing performance of the overflow valve during working, ensuring the normal working of the overflow valve, providing convenience for the user's work, the groove 13 is used to install the O-ring 14, so that the O-ring 14 can seal the gap between the overflow valve and the equipment when installing the entire overflow valve,Thus, the sealing performance of the overflow valve during operation is improved, and convenience is provided for users.
[0030] Therefore, the structure that can limit the valve core during sliding operation is adopted, and the oil supplement overflow valve is limited by the limiting structure during operation, so that the valve core slides according to the set linear track, the self-rotation of the valve core during operation is avoided, the abrasion of the valve core to the inner wall of the valve is reduced, the over-torsion of the built-in spring during operation of the valve core is reduced, the service life of the valve core and the spring is prolonged, the sealing performance of the valve body is improved, and convenience is provided for users.
[0031] One end of the inner cavity of the valve housing 1 is provided with a groove one 11, the inner cavity of the groove one 11 is sleeved with an O-ring one 12, and the valve core rod 2 passes through the O-ring one 12.
[0032] Specifically, the groove one 11 and the O-ring one 12 are arranged, the groove one 11 is used to install the O-ring one 12, and during operation of the overflow valve, the gap between the end 19 and the inner wall of the valve housing 1 can be sealed, thereby improving the sealing performance of the overflow valve during operation, ensuring the normal operation of the overflow valve, and providing convenience for users.
[0033] One side of the surface of the valve housing 1 is provided with a groove two 13, and the inner cavity of the groove two 13 is sleeved with an O-ring two 14.
[0034] Specifically, the groove two 13 and the O-ring two 14 are arranged, the groove two 13 is used to install the O-ring two 14, so that during installation of the entire overflow valve, the O-ring two 14 can seal the gap between the overflow valve and the equipment, thereby improving the sealing performance of the overflow valve during operation, and providing convenience for users.
[0035] One side of the inner cavity of the valve housing 1 is provided with an adaptive groove 15, and the adaptive groove 15 is on the same axis as the valve core rod 2.
[0036] Specifically, the adaptive groove 15 is arranged, the adaptive groove 15 is matched with the valve core rod 2, when the valve core rod 2 moves, it can also move into the adaptive groove 15, so that even if the supporting block 3 touches the inner wall of the valve housing 1, the movement of the valve core rod 2 during operation will not be limited, and will not be collided, thereby ensuring the flexibility of the valve core rod 2 during operation, reducing the abrasion of the valve core rod 2, and providing convenience for users.
[0037] The inner cavity of the valve shell 1 is fixedly installed with a spring pad 16 outside the accommodating groove 15, and one side of the spring pad 16 is fixedly installed with a spring 17, and one end of the spring 17 is fixedly connected to the support block 3.
[0038] Specifically, the spring pad 16 and the spring 17 are arranged, the spring 17 is fixed to the spring pad 16, then the spring 17 is fixedly installed on the inner wall of the valve shell 1 through the spring pad 16, and the spring pad 16 is fixedly installed by screws, so the spring 17 can also be disassembled from the inner wall of the valve shell 1, which not only ensures the stability of the spring 17 in work, but also improves the flexibility of the spring 17 in use, thereby providing convenience for the user's work and use.
[0039] The surface of the valve core rod 2 is sleeved with an end 19, and the surface of the valve core rod 2 is sleeved with a spring 18, and the two ends of the spring 18 are fixedly connected to the end 19 and the support block 3, respectively.
[0040] Specifically, the spring 18 and the end 19 are arranged, and when the end 19 moves, the spring 18 is pushed, then the spring 18 slides in the valve shell 1 with the support block 3, the support block 3 drives the valve core rod 2 to move, the valve core rod 2 moves towards the accommodating groove 15, and stops moving until it enters the accommodating groove 15, at the same time, the support block 3 compresses the spring 17, then the end 19 compresses the spring 18, until the overflow valve can work normally, when the overflow valve is closed, the spring 18 also restores to the original state and moves the end 19 to reset, thereby ensuring the flexibility of the end 19 in work, improving the flexibility of the overflow valve in work, and providing convenience for the user's work and use.
[0041] The valve core rod 2 comprises a rod piece 201 fixedly installed inside the support block 3, the clamping block 8 is fixedly connected to the surface of the rod piece 201, one end of the rod piece 201 is provided with a rod piece 202, one end of the rod piece 202 is fixedly connected with a threaded pin 204, the threaded pin 204 is threadedly installed on the rod piece 201 away from the rod piece 202, and the end of the rod piece 201 towards the threaded pin 204 is provided with a threaded groove 203 matched with the threaded pin 204.
[0042] Specifically, the valve core rod 2 is arranged, and the valve core rod 2 is designed in a disassembled structure, a traditional whole rod-shaped valve core rod is designed as a multi-section type, so that the valve core rod can be shortened in length in a required installation environment, thereby adapting to various installation spaces and providing convenience for the user's installation work, and when the valve core rod is disassembled, the rod piece 202 is only needed to be screwed, the rod piece 202 drives the threaded pin 204 to rotate and then moves out of the threaded groove 203, so that the rod piece 202 can be separated from the rod piece 201, and the disassembly of the valve core rod is completed.
[0043] It should be noted that the functions of each hardware in the utility model have a large number of mature technologies to support, belong to the prior art, and the essence of the utility model is to optimize the combination of the existing hardware and its connection mode for specific application occasions to meet the adaptation requirements in specific application occasions and solve the problems raised in the background art (not related to the improvement of the internal software of the hardware).
[0044] The above only describes the preferred embodiments of the utility model and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A direct-acting oil-supplementing overflow valve comprising a valve housing (1), characterized in that: The inner cavity of the valve shell (1) is provided with a valve core rod (2), the surface of the valve core rod (2) is fixedly installed with a supporting block (3) sliding in the inner cavity of the valve shell (1), the top and bottom of the supporting block (3) are both provided with an installation groove (4), the inside of the installation groove (4) is embeddedly provided with a limiting sliding block (5), one side of the limiting sliding block (5) is embeddedly inserted with a fastening bolt (6), the limiting sliding block (5) is fixedly installed on the supporting block (3) through the fastening bolt (6), the top and bottom of the inner cavity of the valve shell (1) are both provided with a limiting sliding groove (7) matched with the limiting sliding block (5), the surface of the valve core rod (2) is fixedly connected with uniformly distributed clamping blocks (8) which are fixedly installed in the inside of the supporting block (3), the inner wall of the supporting block (3) is provided with clamping grooves (9) matched with the clamping blocks (8), and one side of the supporting block (3) is embeddedly installed with a fixed blocking ring (10) sleeved on the valve core rod (2).
2. A direct operated oil filled relief valve according to claim 1, characterized in that: One end of the inner cavity of the valve shell (1) is provided with a groove one (11), and the inner cavity of the groove one (11) is sleeved with an O-shaped ring one (12).
3. A direct operated oil filled relief valve according to claim 2, characterized in that: The surface of the valve shell (1) is provided with a groove two (13) on one side, and the inner cavity of the groove two (13) is sleeved with an O-shaped ring two (14).
4. A direct operated oil filled relief valve according to claim 3, characterized in that: One side of the inner cavity of the valve shell (1) is provided with an adaptive groove (15), and the adaptive groove (15) is on the same axis as the valve core rod (2).
5. A direct operated oil filled relief valve according to claim 4, characterized in that: The spring pad (16) is fixedly installed on the outer side of the adaptive groove (15) on one side of the inner cavity of the valve shell (1), one side of the spring pad (16) is fixedly installed with a spring one (17), and one end of the spring one (17) is fixedly connected to the supporting block (3).
6. A direct operated oil filled relief valve according to claim 5, characterized in that: The surface of the valve core rod (2) is sleeved with an end head (19), and the surface of the valve core rod (2) is sleeved with a spring two (18), and the two ends of the spring two (18) are fixedly connected to the end head (19) and the supporting block (3) respectively.
7. A direct operated oil filled relief valve according to claim 1, characterized in that: The valve core rod (2) comprises a rod one (201) fixedly installed in the inside of the supporting block (3), the clamping blocks (8) are fixedly connected to the surface of the rod one (201), one end of the rod one (201) is provided with a rod two (202), one end of the rod two (202) is fixedly connected with a threaded pin (204), the threaded pin (204) is threadedly installed on the rod one (201) away from the rod two (202), and the end of the rod one (201) towards the threaded pin (204) is provided with a threaded groove (203) matched with the threaded pin (204).