Nitrogen spring safety protection structure

By incorporating support rings, protective covers, and bases into the nitrogen spring, a closed protective space is created, solving the problem of nitrogen springs being easily damaged in dusty and humid environments, thus extending their lifespan and improving their reliability.

CN223908681UActive Publication Date: 2026-02-13WUXI CAST METAL TECH CO LTD
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Patent Information

Application Number
CN202520728459.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-02-13
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Nitrogen springs are easily damaged in dusty and humid environments. Dust adheres and damages the sealing structure, while moisture causes air leakage, affecting performance and lifespan.

Method used

By setting up a first support ring, a second support ring, a protective cover, a base, and a protective rod, a closed protective space is formed to isolate dust and moisture. The threaded connection facilitates installation and disassembly, enhancing structural stability.

Benefits of technology

It effectively prevents dust and moisture from entering, extends the life of nitrogen springs, improves equipment reliability, avoids impact damage, and ensures stable operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nitrogen spring safety protection structure, and relates to the technical field of nitrogen springs. The nitrogen spring safety protection structure comprises a first supporting ring, a second supporting ring, a protection cover body, a base and a plurality of sets of protection rods. According to the nitrogen spring safety protection structure, by arranging the first supporting ring, the second supporting ring, the protection cover body, the base and the protection rod, a closed protection space for the movable positions of the nitrogen spring cylinder body and the piston rod is formed, external dust and moisture are effectively isolated, and the protection cover body is conveniently mounted and dismounted through the threaded connection design; meanwhile, the overall structural stability is enhanced through the base and the protective rod, the cylinder body is prevented from being collided and damaged, the service life of the nitrogen spring is remarkably prolonged, the equipment reliability is improved, and the problem that in the prior art, the nitrogen spring is prone to being damaged in a dusty and humid environment is effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen spring technical field, concretely is a nitrogen spring safety protection structure. BACKGROUND

[0002] Nitrogen spring is a new type of elastic component with high pressure nitrogen as working medium. It has the advantages of small size, large elastic force, long stroke, stable work, precise manufacturing, long service life of more than one million times, gentle elastic curve, and no need for pre-tightening. Nitrogen spring can simplify mold design and manufacturing, facilitate mold installation and adjustment, prolong the service life of the mold, and ensure the stability of product quality.

[0003] At present, when the nitrogen spring is used in a dusty and humid place, the transmission position of the cylinder body and the piston rod is easily affected, which is mainly because the dust is easily adhered to the surface of the piston rod during movement, thereby damaging the sealing structure and causing the nitrogen spring to leak. At the same time, the humid environment can easily cause the piston rod surface to rust, damaging the sealing property between the piston rod and the sealing assembly, causing the nitrogen spring to leak. Thus affecting the performance and service life of the nitrogen spring. In view of the deficiencies of the prior art, the utility model provides a nitrogen spring safety protection structure to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a nitrogen spring safety protection structure, which forms a closed protection space for the movable position of the nitrogen spring cylinder body and the piston rod by setting a first support ring, a second support ring, a protective cover body, a base and a protection rod, effectively isolates the external dust and moisture, and realizes convenient installation and disassembly of the protective cover body by using a thread connection design. The protective cover body is easy to replace and maintain. At the same time, the base and the protection rod enhance the overall structural stability, avoid damage to the cylinder body due to bumping, significantly prolong the service life of the nitrogen spring and improve the reliability of the equipment, and effectively solve the problem that the prior art is easily damaged in a dusty and humid environment.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a nitrogen spring safety protection structure, comprising a first support ring, a second support ring, a protective cover body, a base and a plurality of groups of protection rods;

[0006] The first support ring is arranged on the cylinder body;

[0007] The second support ring is arranged on the piston rod;

[0008] The protective cover body is arranged on the first support ring and the second support ring and is fixed;

[0009] The base is arranged at the bottom of the cylinder body;

[0010] The plurality of groups of protection rods are arranged between the base and the first support ring.

[0011] The protective cover body comprises a first mounting ring, a second mounting ring and an elastic bellow;

[0012] The first mounting ring is arranged on the first supporting ring in abutment;

[0013] The second mounting ring is arranged on the second supporting ring in abutment;

[0014] The elastic bellow is arranged between the first mounting ring and the second mounting ring;

[0015] Preferably, the first supporting ring is provided with a first male thread hole, and the first mounting ring is provided with a first female thread hole engaged with the first male thread hole.

[0016] The second supporting ring is provided with a second male thread hole, and the second mounting ring is provided with a second female thread hole engaged with the second male thread hole.

[0017] Preferably, a first rubber ring is arranged between the first supporting ring and the first mounting ring, and a second rubber ring is arranged between the second supporting ring and the second mounting ring.

[0018] Preferably, the first mounting ring is provided with a first handle.

[0019] Preferably, the second mounting ring is provided with a second handle.

[0020] Preferably, the base is provided with a plurality of fixing holes.

[0021] The utility model discloses a nitrogen gas spring safety protection structure, which has the following beneficial effects:

[0022] The nitrogen gas spring safety protection structure forms a closed protection space of the nitrogen gas spring cylinder body and the piston rod movable position by setting the first supporting ring, the second supporting ring, the protective cover body, the base and the protection rod, effectively isolates the external dust and moisture, realizes convenient installation and dismounting of the protective cover body by using the thread connection design, makes the protective cover body easy to replace and maintain, meanwhile, the base and the protection rod enhance the overall structure stability, avoid the cylinder body from being damaged by knocking, significantly prolong the service life of the nitrogen gas spring and improve the equipment reliability, and effectively solve the problem that the prior art is easily damaged in a dusty and humid environment. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a disassembling schematic view of the elastic bellows of the utility model;

[0026] Figure 3 It is a structure schematic view of the protective cover body of the utility model;

[0027] Figure 4 It is a disassembling schematic view of the first rubber ring and the second rubber ring of the utility model.

[0028] In the drawing: 1, first support ring;11, first male thread port;12, first rubber ring;2, second support ring;21, second male thread port;22, second rubber ring;3, protective cover body;31, first mounting ring;311, first female thread port;312, first handle;32, second mounting ring;321, second female thread port;322, second handle;33, elastic bellows;4, base;41, fixing hole;5, protective rod;10, cylinder body;20, piston rod. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] The embodiment of the application provides a nitrogen spring safety protection structure, which solves the problem that dust is easily adhered to the surface of a piston rod of a nitrogen spring when the nitrogen spring is used in a dusty and humid place, thereby damaging a sealing structure, causing the nitrogen spring to leak, meanwhile, a humid environment easily causes the surface of the piston rod to rust, damages the sealing property between the piston rod and a sealing assembly, causes the nitrogen spring to leak, and further affects the performance and service life of the nitrogen spring.

[0031] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments. EMBODIMENT

[0032] The utility model embodiment discloses a nitrogen spring safety protection structure, according to the accompanying Figures 1-4 As shown in the drawing, including first support ring 1, second support ring 2, protective cover body 3, base 4 and several groups of protective rod 5;

[0033] The first support ring 1 and the second support ring 2 are fixed on the cylinder body 10 and the piston rod 20 respectively, serving as the installation base of the protective cover 3, ensuring that the protective cover 3 can stably cover the key working area of the nitrogen gas spring, and achieving the protection of the nitrogen gas spring;

[0034] The first support ring 1 is provided with a first male thread 11, which is used to engage with a first female thread 311 on the first installation ring 31 to achieve tight connection. Similarly, the second male thread 21 on the second support ring 2 engages with the second female thread 321 on the second installation ring 32. This design facilitates the installation and disassembly of the protective cover 3, ensures the stability of the protective cover 3 during the working process of the nitrogen gas spring, and makes the protective cover 3 convenient for subsequent replacement and maintenance;

[0035] The protective cover 3 is composed of the first installation ring 31, the second installation ring 32 and the elastic bellows 33, forming a closed protective space to effectively isolate the nitrogen gas spring from the external environment and prevent impurities such as dust and moisture from entering.

[0036] The elastic bellows 33 is located between the first installation ring 31 and the second installation ring 32, having good stretchability and sealing performance, and can adapt to the length change of the nitrogen gas spring during the working process. The first installation ring 31 and the second installation ring 32 are connected with the first support ring 1 and the second support ring 2 through the thread, ensuring the stability of the protective cover 3.

[0037] The base 4 is arranged at the bottom of the cylinder body 10, providing stable support for the entire safety protection structure, and also facilitating the fixation of the nitrogen gas spring at the target position. The protective rod 5 is arranged between the base 4 and the first support ring 1, further enhancing the stability of the structure, preventing the nitrogen gas spring from tilting or shifting in extreme cases, and also providing protection for the side of the cylinder body 10, avoiding deformation of the cylinder body 10 due to external force impact, and providing additional protection.

[0038] The base 4 is provided with a plurality of fixing holes 41, which are convenient for fixing the base on the workbench or other support structure through bolts and other fasteners.

[0039] When the nitrogen gas spring safety protection structure is used, the use steps are as follows:

[0040] Check whether all parts are intact, and ensure the matching of the first male thread 11 and the first female thread 311, and the second male thread 21 and the second female thread 321.

[0041] The first installation ring 31 is engaged with the first male thread 11 on the first support ring 1 through the first female thread 311, and the first rubber ring 12 is installed to enhance the sealing performance. Similarly, the second installation ring 32 is connected with the second support ring 2, and the second rubber ring 22 is installed.

[0042] The base is fixed on the workbench or other support structure through the fixing hole 41 on the base 4.

[0043] After the installation is completed, it is checked whether the connection of each component is firm, whether the protective cover body 3 is sealed well, and whether the nitrogen gas spring works normally. Embodiment

[0044] The utility model discloses an embodiment of a nitrogen gas spring safety protection structure, according to the accompanying Figures 1-4 As shown in the figure, including first support ring 1, second support ring 2, protective cover body 3, base 4 and several groups of protective pole 5;

[0045] First support ring 1 is arranged on cylinder body 10;

[0046] Second support ring 2 is arranged on piston rod 20;

[0047] Protective cover body 3 is arranged on first support ring 1 and second support ring 2 and is fixed;

[0048] Base 4 is arranged at the bottom of cylinder body 10;

[0049] Several groups of protective pole 5 are arranged between base 4 and first support ring 1.

[0050] As a further scheme of the utility model, the number and layout of protective pole 5 are determined according to the specific size and working requirement of nitrogen gas spring, to ensure that sufficient protection and support force can be provided during the working process of nitrogen gas spring.

[0051] First mounting ring 31 is provided with first handle 312, and second mounting ring 32 is provided with second handle 322, to facilitate the installation and dismounting of protective cover body 3 by operating personnel.

[0052] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0053] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A safety guard structure for a nitrogen gas spring, characterized by comprising: The utility model relates to a kind of protective coverings for cylinder rod, including: First support ring (1) is set on cylinder (10); Second support ring (2) is set on piston rod (20); Protective cover body (3) is set on the first support ring (1) and second support ring (2) fixed, the protective cover body (3) includes: First mounting ring (31) is set on the first support ring (1) and is docked; Second mounting ring (32) is set on the second support ring (2) and is docked; Elastic bellow (33) is set between the first mounting ring (31) and second mounting ring (32); Base (4) is set on the bottom of cylinder (10); Several groups of protective rods (5) are set between the base (4) and first support ring (1).

2. The safety protection structure of nitrogen spring according to claim 1, characterized in that, First male thread (11) is provided on the first support ring (1), and first female thread (311) engaged with the first male thread (11) is provided on the first mounting ring (31); Second male thread (21) is provided on the second support ring (2), and second female thread (321) engaged with the second male thread (21) is provided on the second mounting ring (32).

3. The safety protection structure of nitrogen spring according to claim 2, characterized in that, First rubber ring (12) is provided between the first support ring (1) and first mounting ring (31), and second rubber ring (22) is provided between the second support ring (2) and second mounting ring (32).

4. The safety protection structure of nitrogen spring according to claim 3, characterized in that, First handle (312) is provided on the first mounting ring (31).

5. The safety guard structure for a nitrogen gas spring according to claim 1, wherein Second handle (322) is provided on the second mounting ring (32).

6. The safety guard structure for a nitrogen gas spring according to claim 1, wherein Multiple sets of fixing holes (41) are provided on the base (4).