Large-stroke heavy spring cylinder

Abstract

The utility model relates to a large-stroke heavy-duty spring cylinder. A plurality of spring cylinders, a base and an outer sleeve are included, and a plurality of supporting grooves are formed in the top face of the outer sleeve; a supporting rod is arranged on the edge of the bottom face of the top base, a piston is arranged on the peripheral face of one end of the supporting rod in a sleeving mode, vent holes are formed in the top face and the bottom face of the piston, a linear bearing is fixedly arranged on the inner peripheral face of the top face of a supporting groove, and an inner ring of the linear bearing is arranged on the peripheral face of the supporting rod in a sleeving mode; the spring cylinder is provided with the base, the outer sleeve and the top seat, the overall structural stability of the spring cylinder can be enhanced, and the supporting groove and the supporting rod which further improve the use stability of the spring cylinder under large-stroke operation are further arranged between the top seat and the outer sleeve. According to the design of the two aspects, on one hand, the balance weight of the spring cylinder is achieved, on the other hand, the use safety of the spring cylinder under large-stroke operation is guaranteed to the maximum degree, the base, the outer sleeve and the top base are detachable, and operability is high.

Description

Technical Field

[0001] This utility model relates to the field of spring cylinder technology, specifically a large-stroke heavy-duty spring cylinder. Background Technology

[0002] Traditional long-stroke heavy-duty spring cylinders have several significant technical problems in their design and use. First, the structural strength of traditional spring cylinders is often insufficient, especially when subjected to heavy loads and large-amplitude linear movements, making them prone to deformation and failure. This seriously affects the stability and service life of the equipment, increasing maintenance costs and potentially threatening production safety. Second, traditional spring cylinders also lack stability. During long-term, long-stroke operations, due to limitations in structural design and material selection, spring cylinders often exhibit vibration, swaying, and other unstable phenomena. This not only affects the operating accuracy and efficiency of the equipment but may also adversely affect the surrounding environment and other equipment. Therefore, we need to develop a new type of long-stroke heavy-duty spring cylinder to improve its structural strength, stability, and operability. Utility Model Content

[0003] The technical problem to be solved by this utility model is to address the shortcomings of the existing technology by providing a combined structure of a base, an outer sleeve, and a top seat, which maximizes the structural strength of the spring cylinder and ensures the stability of the spring cylinder during long-stroke operation.

[0004] The technical problem to be solved by this utility model is achieved through the following technical solution: a large-stroke heavy-duty spring cylinder, comprising;

[0005] Several spring cylinders, one end of which is a fixed end and the other end is a telescopic end;

[0006] The base has an installation groove on its top surface, and the fixed end of the spring cylinder is fixed to the bottom wall of the installation groove.

[0007] An outer sleeve covers the spring cylinder. A flange joint is fixedly provided on the bottom surface of the outer sleeve. The flange joint is bolted to the top edge of the base. The top inner circumferential surface of the outer sleeve is bolted to the top outer wall of the spring cylinder. A nut placement groove is provided on the middle outer circumferential surface of the base for the flange joint to be bolted to the top surface of the base. Several support grooves are provided on the top surface of the outer sleeve.

[0008] The top seat has its bottom surface fixedly connected to the telescopic end of the spring cylinder. A support rod is provided on the bottom edge of the top seat. One end of the support rod is vertically fixed to the bottom surface of the top seat, and the other end extends into the support groove. A piston is fitted on the outer circumferential surface of the end of the support rod that is placed in the support groove. Vent holes are provided on the top and bottom surfaces of the piston. A linear bearing is fixed on the inner circumferential surface of the top surface of the support groove. The inner ring of the linear bearing is fitted on the outer circumferential surface of the support rod.

[0009] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the above-mentioned large-stroke heavy-duty spring cylinder, wherein at least one pair of spring cylinders are provided.

[0010] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the number of support grooves in the large stroke heavy-duty spring cylinder described above corresponds one-to-one with the number of spring cylinders.

[0011] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the piston of the large stroke heavy-duty spring cylinder described above has an axial length that is one-fifth of the axial length of the support rod.

[0012] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the above-mentioned large stroke heavy-duty spring cylinder has an installation plate fixedly provided on the outer wall of the spring cylinder near the telescopic end, and the top inner circumferential surface of the outer sleeve is bolted to the installation plate on the spring cylinder.

[0013] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the large stroke heavy-duty spring cylinder described above has a material reduction groove in the middle of the bottom surface of the base.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0015] (1) The spring cylinder is equipped with a base, an outer sleeve and a top seat, which can enhance the overall structural stability of the spring cylinder. Furthermore, a support groove and a support rod are provided between the top seat and the outer sleeve to further improve the stability of the spring cylinder under large stroke operation. These two aspects of the design serve as a counterweight for the spring cylinder on the one hand, and maximize the safety of the spring cylinder under large stroke operation on the other hand. Moreover, the base, outer sleeve and top seat are detachable, making it highly operable.

[0016] (2) Ventilation holes are provided on both the top and bottom surfaces of the piston, which allows the airflow above and below the piston to exchange freely when the piston moves axially with the support rod, thereby avoiding the piston from moving unsmoothly.

[0017] (3) At least one pair of spring cylinders shall be provided, which makes them more stable in terms of load-bearing capacity and more stable under large stroke operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 for Figure 1 A magnified schematic diagram of a portion of the piston structure.

[0020] Figure 3 for Figure 2 A partially enlarged structural diagram of the central top seat.

[0021] Reference numerals: 1. Spring cylinder; 2. Base; 3. Mounting groove; 4. Subtractive material groove; 5. Outer sleeve; 6. Flange joint; 7. Mounting plate; 8. Top seat; 9. Support rod; 10. Piston; 11. Vent hole; 12. Linear bearing; 13. Nut placement groove. Detailed Implementation

[0022] The specific technical solutions of this utility model are further described below with reference to the accompanying drawings, so as to enable those skilled in the art to further understand this utility model, without constituting a limitation on its rights.

[0023] Example 1, referring to Figure 1-3 A long-stroke heavy-duty spring cylinder, comprising:

[0024] Several spring cylinders 1, one end of which is a fixed end and the other end is a telescopic end. At least one pair of spring cylinders 1 are provided, and the number can be selected according to the usage requirements.

[0025] The base 2 is formed as a roughly circular base 2. An installation groove 3 is provided on the top surface of the base 2. The installation groove 3 is formed as a roughly circular groove structure. The fixed end of the spring cylinder 1 is fixed on the bottom wall of the installation groove 3. The bottom surface of the base 2 has a subtractive material groove 4 in the middle. The subtractive material groove 4 is formed as a roughly circular groove structure.

[0026] The outer sleeve 5 is formed into a roughly annular sleeve structure, which covers the spring cylinder 1. A flange joint 6 is fixed on the bottom surface of the outer sleeve 5. The flange joint 6 is bolted to the top edge of the base 2. The top inner circumferential surface of the outer sleeve 5 is bolted to the top outer wall of the spring cylinder 1. An mounting plate 7 is fixed on the outer wall of the spring cylinder 1 near the telescopic end. The mounting plate 7 is formed into a roughly square plate structure. The top inner circumferential surface of the outer sleeve 5 is bolted to the mounting plate 7 on the spring cylinder 1. A nut placement groove 13 is opened on the middle outer circumferential surface of the base 2 for the flange joint 6 to be screwed to the top surface of the base 2. The nut placement groove 13 is formed into a roughly annular groove. Several support grooves 7 are opened on the top surface of the outer sleeve 5. The support grooves 7 are formed into a roughly cylindrical groove structure. The number of support grooves 7 corresponds one-to-one with the number of spring cylinders 1.

[0027] It should be noted that another design purpose of the outer sleeve 5 is to protect the spring cylinder 1 from all sides and to fix the spring cylinder 1, making the spring cylinder 1 more stable under large stroke operation.

[0028] The top seat 8 is formed into a roughly circular plate structure. The bottom center of the top seat 8 is fixedly connected to the telescopic end of the spring cylinder 1. A support rod 9 is provided on the bottom edge of the top seat 8. The support rod 9 is formed into a roughly cylindrical rod structure. One end of the support rod 9 is vertically fixed to the bottom surface of the top seat 8, and the other end extends into the support groove 7. A piston 10 is fitted on the outer circumferential surface of the end of the support rod 9 that is placed in the support groove 7. The piston 10 is formed into a roughly cylindrical structure. The axial length of the piston 10 is one-fifth of the axial length of the support rod 9. Vent holes 11 are provided on the top and bottom surfaces of the piston 10. A linear bearing 12 is fixed on the inner circumferential surface of the top surface of the support groove 7. The inner ring of the linear bearing 12 is fitted on the outer circumferential surface of the support rod 9.

[0029] The advantages of using this long-stroke heavy-duty spring cylinder are:

[0030] (1) Significantly improve structural strength and stability: The base 2, outer sleeve 5 and top seat 8 are designed as a combined structure, which can enhance the overall rigidity and load-bearing capacity of the spring cylinder 1. This not only improves the stability of the spring cylinder 1 under heavy load, but also effectively prevents deformation and damage under long-term, long-stroke operation, ensuring the long-term reliable operation of the equipment.

[0031] (2) Optimize the performance of large stroke operation: The added support groove 7 and support rod 9 not only provide additional support and guidance for the spring cylinder 1, but also significantly improve its stability in large linear motion. The vent hole 11 set on the piston 10 ensures the smoothness of the piston 10 when it moves with the support rod 9, and avoids the phenomenon of poor movement or jamming caused by airflow obstruction.

[0032] (3) Easy to install, maintain and adjust: The components are connected by bolts, which facilitates quick installation and disassembly, greatly reducing the difficulty and cost of installation and maintenance; at the same time, this detachable design also makes it easy to flexibly adjust the spring cylinder 1, such as changing the stroke length or adjusting the force, to adapt to the needs of different application scenarios.

[0033] (4) Enhanced safety and durability: The spring cylinder 1 is protected by the outer sleeve 5, which effectively prevents external impact and damage and improves the safety of the equipment.

Claims

1. A long-stroke heavy-duty spring cylinder, characterized in that: It includes; Several spring cylinders, one end of which is a fixed end and the other end is a telescopic end; The base has an installation groove on its top surface, and the fixed end of the spring cylinder is fixed to the bottom wall of the installation groove. An outer sleeve covers the spring cylinder. A flange joint is fixedly provided on the bottom surface of the outer sleeve. The flange joint is bolted to the top edge of the base. The top inner circumferential surface of the outer sleeve is bolted to the top outer wall of the spring cylinder. A nut placement groove is provided on the middle outer circumferential surface of the base for the flange joint to be bolted to the top surface of the base. Several support grooves are provided on the top surface of the outer sleeve. The top seat has its bottom surface fixedly connected to the telescopic end of the spring cylinder. A support rod is provided on the bottom edge of the top seat. One end of the support rod is vertically fixed to the bottom surface of the top seat, and the other end extends into the support groove. A piston is fitted on the outer circumferential surface of the end of the support rod that is placed in the support groove. Vent holes are provided on the top and bottom surfaces of the piston. A linear bearing is fixed on the inner circumferential surface of the top surface of the support groove. The inner ring of the linear bearing is fitted on the outer circumferential surface of the support rod.

2. The long-stroke heavy-duty spring cylinder according to claim 1, characterized in that: At least one pair of spring cylinders are provided.

3. The long-stroke heavy-duty spring cylinder according to claim 1, characterized in that: The number of support slots corresponds one-to-one with the number of spring cylinders.

4. A long-stroke heavy-duty spring cylinder according to claim 1, characterized in that: The axial length of the piston is one-fifth of the axial length of the support rod.

5. A long-stroke heavy-duty spring cylinder according to claim 1, characterized in that: An mounting plate is fixedly installed on the outer wall of the spring cylinder near the telescopic end, and the top inner circumferential surface of the outer sleeve is bolted to the mounting plate on the spring cylinder.

6. A long-stroke heavy-duty spring cylinder according to claim 1, characterized in that: The base has a material reduction groove in the middle of its bottom surface.

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