Balance cylinder with oil groove structure
By symmetrically setting an oil groove with a width smaller than the piston width on the inner wall of the piston cylinder, the air in the oil groove is squeezed upward when the piston moves, the problem of limited pressure space of the existing piston cylinder is solved, and greater pressure is achieved space and pressure, and improve the balance of the cylinder.
Patent Information
- Application Number
- CN202421269075.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The cylinder pressure space of existing piston cylinders is limited, making it difficult to expand the pressure pressure.
A balance cylinder with an oil groove structure is designed. By symmetrically setting the first oil groove and the second oil groove with a width smaller than the piston width on the inner wall of the cylinder, the piston squeezes the air in the oil groove upward when it moves, thereby expanding the pressure application space. and pressure.
The larger pressure space and pressure pressure of the piston cylinder are achieved, and at the same time, due to the symmetrical arrangement of the oil tank, the cylinder block reaches good balance.
Smart Images
Figure CN222479113U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of piston cylinders, in particular to a balancing cylinder with an oil groove structure. Background Art
[0002] The piston cylinder is a structural form of hydraulic cylinder and pneumatic cylinder. The input is pressure and flow, and the output is thrust and speed. The piston in the piston cylinder moves along the inner wall of the cylinder body, and the pressure space of the cylinder body is limited by the space of the inner wall of the cylinder body.
[0003] The pressure space of the cylinder body of the existing piston cylinder is limited by the inner wall space of the cylinder body, and the pressure is limited and difficult to expand. Therefore, a balancing cylinder with an oil groove structure is proposed here. Summary of the invention
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a balancing cylinder with an oil groove structure, which effectively solves the problems existing in the cylinder body of the existing piston cylinder.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a balancing cylinder with an oil groove structure, comprising a cylinder body, a through hole is provided in the middle of the cylinder body, a piston rod is provided in the middle of the through hole, a center hole is provided in the middle of the upper end of the piston rod, a piston is provided on the outer wall of the piston rod between the periphery of the piston rod and the inner wall of the cylinder body, a first oil groove is provided on an inner wall of the cylinder body below the piston, a second oil groove is provided on the inner wall of the cylinder body facing the first oil groove, a bottom cover is provided in the middle of the lower end of the cylinder body below the piston rod, a sealing ring is provided on the outer wall of the bottom cover, an air leakage hole is provided in the middle of the bottom cover, and a sealing plug is provided in the middle of the lower end of the bottom cover.
[0006] Preferably, the through hole is formed in the middle of the cylinder body, and the center hole is formed in the middle of the upper end of the piston rod.
[0007] Preferably, the piston is nested on the outer wall of the piston rod, the piston is slidably connected to the inner wall of the cylinder body, the piston and the piston rod rise and fall synchronously in the cylinder body, and the piston is made of rubber synthetic material.
[0008] Preferably, the first oil groove and the second oil groove are both formed on the inner wall of the cylinder body, the first oil groove and the second oil groove are symmetrical on the same horizontal line on the inner wall of the cylinder body, the width of the first oil groove and the second oil groove is smaller than the width of the piston, and when the piston moves downward, the air in the first oil groove and the second oil groove will be squeezed upward.
[0009] Preferably, the outer wall of the bottom cover is connected to the inner wall of the cylinder body via threads, the sealing ring is nested on the outer wall of the bottom cover, and the bottom cover can be removed from below the cylinder body.
[0010] Preferably, the sealing ring is clamped between the outer wall of the bottom cover and the inner wall of the cylinder body, the air leakage hole is formed in the middle of the bottom cover, and the sealing ring can ensure the sealing between the outer wall of the bottom cover and the inner wall of the cylinder body.
[0011] Preferably, the air bleed hole and the sealing plug are on the same center line, the sealing plug is threadedly connected to the middle of the lower end of the bottom cover, the sealing plug can seal the air bleed hole, and after the sealing plug is removed, the air bleed hole will be in an unobstructed state, and the pressure in the cylinder body can be relieved.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In the balancing cylinder with an oil groove structure, by symmetrically arranging the first oil groove and the second oil groove, which have a width smaller than the width of the piston, on the inner wall of the cylinder body, the piston can squeeze the air in the first oil groove and the second oil groove upward when passing through the first oil groove and the second oil groove and moving downward, so that the cylinder body has a larger pressure space and pressure; and because the first oil groove and the second oil groove are symmetrically arranged on the inner wall of the cylinder body, the cylinder body can achieve good balance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a front cross-sectional view of the utility model;
[0017] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;
[0018] In the figure: 1. cylinder body; 2. through hole; 3. piston rod; 4. center hole; 5. piston; 6. first oil groove; 7. second oil groove; 8. bottom cover; 9. sealing ring; 10. vent hole; 11. sealing plug. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] In this embodiment, Figure 1-3 The utility model comprises a cylinder body 1, a through hole 2 is provided in the middle of the cylinder body 1, a piston rod 3 is provided in the middle of the through hole 2, a center hole 4 is provided in the middle of the upper end of the piston rod 3, a piston 5 is provided on the outer wall of the piston rod 3 between the periphery of the piston rod 3 and the inner wall of the cylinder body 1, a first oil groove 6 is provided on the inner wall of the cylinder body 1 below the piston 5, a second oil groove 7 is provided on the inner wall of the cylinder body 1 opposite to the first oil groove 6, a bottom cover 8 is provided in the middle of the lower end of the cylinder body 1 below the piston rod 3, a sealing ring 9 is provided on the outer wall of the bottom cover 8, an air leakage hole 10 is provided in the middle of the bottom cover 8, and a sealing plug 11 is provided in the middle of the lower end of the bottom cover 8.
[0021] Among them, the through hole 2 is formed in the middle of the cylinder body 1, the center hole 4 is formed in the middle of the upper end of the piston rod 3, the piston 5 is nested on the outer wall of the piston rod 3, the piston 5 is slidingly connected to the inner wall of the cylinder body 1, the piston 5 and the piston rod 3 rise and fall synchronously in the cylinder body 1, and the piston 5 is a rubber synthetic material.
[0022] Among them, the first oil groove 6 and the second oil groove 7 are both formed on the inner wall of the cylinder body 1, and the first oil groove 6 and the second oil groove 7 are symmetrical on the same horizontal line on the inner wall of the cylinder body 1. The width of the first oil groove 6 and the second oil groove 7 is smaller than the width of the piston 5. When the piston 5 moves downward, the air in the first oil groove 6 and the second oil groove 7 will be squeezed upward.
[0023] Among them, the outer wall of the bottom cover 8 is connected to the inner wall of the cylinder body 1 by threads, and the sealing ring 9 is nested on the outer wall of the bottom cover 8. The bottom cover 8 can be removed from the bottom of the cylinder body 1, and the sealing ring 9 is clamped between the outer wall of the bottom cover 8 and the inner wall of the cylinder body 1. The air leakage hole 10 is formed in the middle of the bottom cover 8. The sealing ring 9 can ensure the sealing between the outer wall of the bottom cover 8 and the inner wall of the cylinder body 1. The air leakage hole 10 and the sealing plug 11 are on the same center line. The sealing plug 11 is connected to the middle of the lower end of the bottom cover 8 by threads. The sealing plug 11 can seal the air leakage hole 10. After the sealing plug 11 is removed, the air leakage hole 10 will be in an unobstructed state, and the pressure in the cylinder body 1 can be relieved. Other equipment can also be connected to the air leakage hole 10 so that pressure can be applied to the equipment through the cylinder body 1 and the piston 5.
[0024] Working principle: the first oil groove 6 and the second oil groove 7 are symmetrically arranged on the same horizontal line on the inner wall of the cylinder body 1, and the width of the first oil groove 6 and the second oil groove 7 is smaller than the width of the piston 5. The piston rod 3 can drive the piston 5 to move up and down when it moves up and down. When the piston 5 moves downward through the first oil groove 6 and the second oil groove 7, the air in the first oil groove 6 and the second oil groove 7 will be squeezed upward. Since the first oil groove 6 and the second oil groove 7 are symmetrically arranged on the inner wall of the cylinder body 1, the cylinder body 1 can achieve good balance.
[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A balancing cylinder with an oil groove structure, comprising a cylinder body (1), characterized in that: A through hole (2) is provided in the middle of the cylinder body (1), a piston rod (3) is provided in the middle of the through hole (2), a center hole (4) is provided in the middle of the upper end of the piston rod (3), a piston (5) is provided on the outer wall of the piston rod (3) between the periphery of the piston rod (3) and the inner wall of the cylinder body (1), a first oil groove (6) is provided on an inner wall of the cylinder body (1) below the piston (5), a second oil groove (7) is provided on the inner wall of the cylinder body (1) facing the first oil groove (6), a bottom cover (8) is provided in the middle of the lower end of the cylinder body (1) below the piston rod (3), a sealing ring (9) is provided on the outer wall of the bottom cover (8), an air leakage hole (10) is provided in the middle of the bottom cover (8), and a sealing plug (11) is provided in the middle of the lower end of the bottom cover (8).
2. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The through hole (2) is formed in the middle of the cylinder body (1), and the center hole (4) is formed in the middle of the upper end of the piston rod (3).
3. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The piston (5) is nested on the outer wall of the piston rod (3), and the piston (5) is slidably connected to the inner wall of the cylinder body (1).
4. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The first oil groove (6) and the second oil groove (7) are both formed on the inner wall of the cylinder body (1); the first oil groove (6) and the second oil groove (7) are symmetrical on the same horizontal line on the inner wall of the cylinder body (1); and the width of the first oil groove (6) and the second oil groove (7) is smaller than the width of the piston (5).
5. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The outer wall of the bottom cover (8) is connected to the inner wall of the cylinder body (1) via threads, and the sealing ring (9) is nested on the outer wall of the bottom cover (8).
6. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The sealing ring (9) is clamped between the outer wall of the bottom cover (8) and the inner wall of the cylinder body (1), and the air leakage hole (10) is formed in the middle of the bottom cover (8).
7. The balancing cylinder with an oil groove structure according to claim 1, characterized in that: The air leakage hole (10) and the sealing plug (11) are located on the same center line, and the sealing plug (11) is connected to the middle part of the lower end of the bottom cover (8) through a thread.