Durable oil cylinder barrel with reinforcing structure
By providing structures such as reinforcement plates, limit plates and reeds on the oil cylinder and end caps, the oil pressure is dispersed and rotation is prevented, and the problem of loose thread connections in the prior art is solved, which improves the durability and sealing of the oil cylinder. .
Patent Information
- Application Number
- CN202420477640.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The threaded connection of existing oil cylinders is prone to loosening when the oil pressure is high, resulting in liquid leakage.
An oil cylinder with a reinforcement structure is designed. By installing reinforcement plates, limit plates and reeds on the oil cylinder and end cover, the oil pressure is dispersed, and rotation is prevented through structures such as caliper holes and rod grooves, and threaded connection is enhanced. stability.
It effectively prevents loosening of threaded connections, improves the durability of the oil cylinder, and ensures the stability and sealing of the connection under high hydraulic conditions.
Smart Images

Figure CN222208459U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil cylinder barrels, in particular to a durable oil cylinder barrel with a reinforced structure. Background Art
[0002] The oil cylinder is one of the important components of the hydraulic tappet mechanism. The main body of the oil cylinder is an annular cylindrical structure. The bottom of the cylinder is welded to one end of the oil cylinder. A thread is opened on the inner wall of the other end of the oil cylinder, and an end cover is installed through the thread. The tappet is inserted on the end cover. The oil cylinder, the bottom of the cylinder, the end cover and the tappet together form an internal closed environment.
[0003] However, the installation method of the end cover and the cylinder barrel in the prior art is simply to adopt a threaded connection method. The tightening effect of the threaded connection mainly relies on the friction between the threads. Therefore, when the oil pressure in the cylinder barrel is high, the threads will wear, resulting in loose threaded connection, and then causing leakage of the cylinder barrel. Therefore, designing a reinforcement structure to improve the durability of the cylinder barrel has become an urgent problem to be solved. Utility Model Content
[0004] The purpose of the utility model is to provide a durable oil cylinder with a reinforced structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a durable oil cylinder barrel with a reinforced structure, comprising: an oil cylinder barrel, an end cover is arranged on the surface of the oil cylinder barrel, a reinforcing plate plug-in hole is opened on the surface of the end cover, a reinforcing plate plug-in groove is opened on the surface of the oil cylinder barrel, reinforcing plates are plugged into the reinforcing plate plug-in hole and the reinforcing plate plug-in groove, limiting plate mounting grooves are opened on two end surfaces of the reinforcing plate, the limiting plate is movably plugged into the limiting plate mounting groove, the other end of the limiting plate is movably plugged into the limiting groove, and the limiting groove is opened on the groove surface of the reinforcing plate plug-in groove.
[0006] Preferably, two groups of the limiting plate mounting grooves are arranged on the surface of a group of reinforcing plates, and the two groups of limiting plate mounting grooves are symmetrically distributed about the reinforcing plates.
[0007] Preferably, a spring is fixed to one end of the limit plate extending into the limit plate mounting slot, and the other end of the spring is fixed to the inner wall of the limit plate mounting slot.
[0008] Preferably, a lever is fixed to the top end of the limiting plate, the lever is movably connected in a lever groove, and the lever groove is provided on the surface of the reinforcing plate.
[0009] Preferably, a first baffle plate storage groove and a second baffle plate storage groove are opened on the inner wall of the lever groove, and the first baffle plate storage groove and the second baffle plate storage groove are symmetrically distributed about the lever groove, a first baffle plate is fixed to one end of the lever, and a second baffle plate is fixed to the other end of the lever, the first baffle plate is movably inserted in the first baffle plate storage groove, and the second baffle plate is movably inserted in the second baffle plate storage groove.
[0010] Preferably, a gasket is provided on the surface of the reinforcing plate.
[0011] Preferably, a plurality of groups of caliper holes are provided on the side wall of the end cover, and the plurality of groups of caliper holes are distributed in a circular pattern on the side wall of the end cover.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model proposes a durable oil cylinder with a reinforced structure. When the oil pressure in the oil cylinder is large, part of the force generated by the oil pressure on the end cover is borne by the threads between the oil cylinder and the end cover, and the other part is transmitted to the limit plate through the reinforcing plate and borne by the limit plate and the limit plate mounting groove and the inner wall of the limit groove. This disperses part of the force of the oil pressure acting on the threaded connection between the oil cylinder and the end cover, thereby strengthening the threaded connection. At the same time, the extrusion between the reinforcing plate and the inner walls of the reinforcing plate plug-in hole and the reinforcing plate plug-in groove also prevents the end cover from rotating, thereby preventing the threaded connection from loosening. This also provides a reinforcement function for the connection between the oil cylinder and the end cover, making the oil cylinder more durable. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0016] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;
[0017] Figure 4 Schematic diagram of the cross-sectional structure of the limiting plate;
[0018] Figure 5 for Figure 4 A magnified schematic diagram of the structure at B in the middle;
[0019] Figure 6 It is a schematic diagram of the cross-sectional structure of the lever groove;
[0020] Figure 7 for Figure 6 Enlarged schematic diagram of the structure at point C in the middle.
[0021] In the figure: cylinder barrel 1, end cover 2, reinforcement plate plug-in hole 3, reinforcement plate plug-in slot 4, reinforcement plate 5, gasket 6, lever slot 7, lever 8, caliper hole 9, limit plate mounting slot 10, limit slot 11, spring leaf 12, limit plate 13, first baffle plate receiving slot 14, second baffle plate receiving slot 15, first baffle plate 16, second baffle plate 17. DETAILED DESCRIPTION
[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Embodiment 1
[0024] See also Figures 1 to 7 The utility model provides a technical solution: a durable oil cylinder with a reinforced structure, comprising: an oil cylinder 1, an end cover 2 is arranged on the surface of the oil cylinder 1, a reinforcing plate plugging hole 3 is opened on the surface of the end cover 2, a reinforcing plate plugging groove 4 is opened on the surface of the oil cylinder 1, a reinforcing plate 5 is plugged into the reinforcing plate plugging hole 3 and the reinforcing plate plugging groove 4, and a limiting plate mounting groove 10 is arranged on two end surfaces of the reinforcing plate 5, a limiting plate 13 is movably plugged into the limiting plate mounting groove 10, and the other end of the limiting plate 13 is movably plugged into the limiting groove 11, the limiting groove 11 is arranged on the groove body surface of the reinforcing plate plugging groove 4, a gasket 6 is arranged on the surface of the reinforcing plate 5, two groups of limiting plate mounting grooves 10 are arranged on the surface of a group of reinforcing plates 5, and the two groups of limiting plate mounting grooves 10 are symmetrically distributed about the reinforcing plate 5, and a plurality of groups of caliper holes 9 are opened on the side wall of the end cover 2, and the plurality of groups of caliper holes 9 are distributed in a circle on the side wall of the end cover 2.
[0025] In actual use, the end cover 2 is first installed to the surface of the oil cylinder barrel 1 through a threaded connection through the cooperation of the caliper and the caliper hole 9, and the reinforcing plate plug-in hole 3 is aligned with the reinforcing plate plug-in groove 4 while tightening, and then the two sets of limit plates 13 are pressed into the limit plate installation groove 10, and the reinforcing plate 5 is inserted into the reinforcing plate plug-in hole 3 and the reinforcing plate plug-in groove 4. When the gasket 6 contacts the inner wall of the groove body of the reinforcing plate plug-in hole 3, the reinforcing plate 5 is pressed downward again, so that the limit plate installation groove 10 is aligned with the limit groove 11, and one end of the limit plate 13 is automatically inserted into the limit groove 11, so that the reinforcing plate 5 is limited in the reinforcing plate plug-in groove 4; when the oil pressure in the oil cylinder barrel 1 When the force generated by the oil pressure on the end cover 2 is large, part of the force is borne by the thread between the cylinder barrel 1 and the end cover 2, and the other part is transmitted to the limit plate 13 through the reinforcing plate 5, and is borne by the inner walls of the limit plate 13 and the limit plate mounting groove 10 and the limit groove 11. This disperses part of the force of the threaded connection between the cylinder barrel 1 and the end cover 2 caused by the oil pressure, thereby strengthening the threaded connection. At the same time, the extrusion between the reinforcing plate 5 and the inner walls of the reinforcing plate plug hole 3 and the reinforcing plate plug groove 4 also prevents the end cover 2 from rotating, preventing the threaded connection from loosening. This provides a reinforcement function for the connection between the cylinder barrel 1 and the end cover 2, making the cylinder barrel 1 more durable.
[0026] Embodiment 2
[0027] On the basis of the first embodiment, in order to realize automatic insertion of one end of the limit plate 13 into the limit groove 11 , a spring 12 is fixed to one end of the limit plate 13 extending into the limit plate mounting groove 10 , and the other end of the spring 12 is fixed to the inner wall of the limit plate mounting groove 10 .
[0028] Before inserting the reinforcing plate 5 into the reinforcing plate plug-in hole 3 and the reinforcing plate plug-in slot 4, the limit plate 13 is manually pressed completely into the limit plate mounting slot 10, so that the spring leaf 12 is compressed by the inner wall of the limit plate mounting slot 10 and the limit plate 13. When the limit plate mounting slot 10 is aligned with the limit slot 11, the spring leaf 12 in the compressed state pushes one end of the limit plate 13 into the limit slot 11, thereby completing the automatic insertion of one end of the limit plate 13 into the limit slot 11.
[0029] Embodiment 3
[0030] On the basis of the second embodiment, in order to realize the convenient removal of the reinforcing plate 5 , a lever 8 is fixed to the top of the limiting plate 13 , and the lever 8 is movably connected in the lever groove 7 , and the lever groove 7 is provided on the surface of the reinforcing plate 5 .
[0031] When the reinforcing plate 5 needs to be removed, the lever 8 is pushed to move the lever 8 from one side of the lever slot 7 to the other side, and the limiting plate 13 moves along with the lever 8, so that the limiting plate 13 can be withdrawn from the limiting slot 11, thereby releasing the limiting of the reinforcing plate 5, and the reinforcing plate 5 can be pulled out from the reinforcing plate plug-in slot 4 and the reinforcing plate plug-in hole 3.
[0032] Embodiment 4
[0033] On the basis of Example 3, in order to prevent small objects from falling into the lever groove 7, a first baffle plate storage groove 14 and a second baffle plate storage groove 15 are opened on the inner wall of the lever groove 7. The first baffle plate storage groove 14 and the second baffle plate storage groove 15 are symmetrically distributed about the lever groove 7. A first baffle plate 16 is fixed to one end of the lever 8, and a second baffle plate 17 is fixed to the other end of the lever 8. The first baffle plate 16 is movably inserted in the first baffle plate storage groove 14, and the second baffle plate 17 is movably inserted in the second baffle plate storage groove 15.
[0034] When one end of the limit plate 13 extends out of the limit plate mounting groove 10, the first baffle plate 16 is received in the first baffle plate receiving groove 14, and the second baffle plate 17 blocks the opening of the lever groove 7; when the lever 8 moves to the other side, the second baffle plate 17 is received in the second baffle plate receiving groove 15, and the first baffle plate 16 blocks the opening of the lever groove 7; the blocking of the first baffle plate 16 and the second baffle plate 17 can effectively prevent small objects from falling into the lever groove 7.
[0035] In actual use, the end cover 2 is first installed to the surface of the cylinder barrel 1 through a threaded connection through the cooperation of the caliper and the caliper hole 9, and the reinforcing plate plug-in hole 3 is aligned with the reinforcing plate plug-in groove 4 while tightening, and then the two sets of limit plates 13 are pressed into the limit plate installation groove 10, and the reinforcing plate 5 is inserted into the reinforcing plate plug-in hole 3 and the reinforcing plate plug-in groove 4. When the gasket 6 contacts the inner wall of the groove body of the reinforcing plate plug-in hole 3, the reinforcing plate 5 is pressed downward again, so that the limit plate installation groove 10 is aligned with the limit groove 11, and one end of the limit plate 13 is automatically inserted into the limit groove 11, so that the reinforcing plate 5 is limited in the reinforcing plate plug-in groove 4; when the cylinder When the oil pressure in the cylinder 1 is relatively large, part of the force generated by the oil pressure on the end cover 2 is borne by the threads between the cylinder barrel 1 and the end cover 2, and the other part is transmitted to the limit plate 13 through the reinforcing plate 5 and borne by the inner walls of the limit plate 13 and the limit plate mounting groove 10 and the limit groove 11. This disperses part of the force of the threaded connection between the cylinder barrel 1 and the end cover 2 caused by the oil pressure, thereby reinforcing the threaded connection. At the same time, the extrusion between the reinforcing plate 5 and the inner walls of the reinforcing plate plug hole 3 and the reinforcing plate plug groove 4 also prevents the end cover 2 from rotating, thereby preventing the threaded connection from loosening. This provides a reinforcing function for the connection between the cylinder barrel 1 and the end cover 2. , making the oil cylinder barrel 1 more durable; before inserting the reinforcing plate 5 into the reinforcing plate plug-in hole 3 and the reinforcing plate plug-in slot 4, the limit plate 13 is manually pressed completely into the limit plate mounting slot 10, so that the spring leaf 12 is compressed by the inner wall of the limit plate mounting slot 10 and the limit plate 13. When the limit plate mounting slot 10 is aligned with the limit slot 11, the spring leaf 12 in the compressed state pushes one end of the limit plate 13 into the limit slot 11, and the one end of the limit plate 13 is automatically inserted into the limit slot 11; when the reinforcing plate 5 needs to be removed, the lever 8 is moved from one side of the lever slot 7 to the other side, and the limit plate 13 moves with the lever 8, So that the limit plate 13 withdraws from the limit groove 11, thereby releasing the limit of the reinforcement plate 5, and the reinforcement plate 5 can be pulled out from the reinforcement plate plug-in slot 4 and the reinforcement plate plug-in hole 3; when one end of the limit plate 13 extends out of the limit plate mounting slot 10, the first shielding plate 16 is received in the first shielding plate receiving slot 14, and the second shielding plate 17 blocks the opening of the lever slot 7. When the lever 8 moves to the other side, the second shielding plate 17 is received in the second shielding plate receiving slot 15, and the first shielding plate 16 blocks the opening of the lever slot 7. The shielding of the first shielding plate 16 and the second shielding plate 17 can effectively prevent small objects from falling into the lever slot 7.
[0036] 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 durable oil cylinder with a reinforced structure, comprising: An oil cylinder barrel (1) is provided with an end cover (2) on the surface of the oil cylinder barrel (1), characterized in that: a reinforcing plate plug-in hole (3) is provided on the surface of the end cover (2), a reinforcing plate plug-in groove (4) is provided on the surface of the oil cylinder barrel (1), a reinforcing plate (5) is plugged into the reinforcing plate plug-in hole (3) and the reinforcing plate plug-in groove (4), a limiting plate mounting groove (10) is provided on two end surfaces of the reinforcing plate (5), a limiting plate (13) is movably plugged into the limiting plate mounting groove (10), the other end of the limiting plate (13) is movably plugged into the limiting groove (11), and the limiting groove (11) is provided on the groove body surface of the reinforcing plate plug-in groove (4).
2. The durable oil cylinder with a reinforced structure according to claim 1, characterized in that: Two groups of the limiting plate installation grooves (10) are arranged on the surface of a group of reinforcing plates (5), and the two groups of limiting plate installation grooves (10) are symmetrically distributed with respect to the reinforcing plates (5).
3. The durable oil cylinder with a reinforced structure according to claim 1, characterized in that: One end of the limiting plate (13) extending into the limiting plate installation groove (10) is fixed with a spring leaf (12), and the other end of the spring leaf (12) is fixed to the inner wall of the limiting plate installation groove (10).
4. The durable oil cylinder with a reinforced structure according to claim 1, characterized in that: A lever (8) is fixed to the top of the limiting plate (13), and the lever (8) is movably connected in a lever groove (7), and the lever groove (7) is provided on the surface of the reinforcing plate (5).
5. The durable oil cylinder with a reinforced structure according to claim 4, characterized in that: A first shielding plate receiving groove (14) and a second shielding plate receiving groove (15) are provided on the inner wall of the lever groove (7); the first shielding plate receiving groove (14) and the second shielding plate receiving groove (15) are symmetrically distributed with respect to the lever groove (7); a first shielding plate (16) is fixed to one end of the lever (8); a second shielding plate (17) is fixed to the other end of the lever (8); the first shielding plate (16) is movably inserted into the first shielding plate receiving groove (14); and the second shielding plate (17) is movably inserted into the second shielding plate receiving groove (15).
6. The durable oil cylinder with a reinforced structure according to claim 1, characterized in that: A gasket (6) is provided on the surface of the reinforcing plate (5).
7. The durable oil cylinder with a reinforced structure according to claim 1, characterized in that: A plurality of groups of caliper holes (9) are provided on the side wall of the end cover (2), and the plurality of groups of caliper holes (9) are distributed in a circumferential manner on the side wall of the end cover (2).
