Damping device of high-strength bearing sealing structure

Abstract

The utility model provides a damping device of a high-strength bearing sealing structure, which comprises a pressure rod, an upper pressure seat, a spring damper and a lower limit spring, the lower end of the pressure rod is provided with a group of limit nuts for keeping the position limit of the pressure rod, the lower ends of the limit nuts are provided with a group of pressure-bearing covers for bearing external pressure, and the pressure-bearing covers are arranged on the upper pressure seat. The upper end of the lower bearing shell is provided with a pressure-bearing cover, the top view cross section of the pressure-bearing cover is of an oval structure, the lower end of the pressure-bearing cover is provided with a set of upper pressure bases used for being mutually embedded with the interior of the lower bearing shell, and the upper pressure bases and the pressure-bearing cover are of an integrated structure. And then, when the external equipment generates vibration, the vibration potential energy of the external equipment bears pressure downwards through the pressure-bearing cover, the upper pressure seat extrudes the spring damper to generate compression, and meanwhile, the spring damper slowly releases the vibration while the upper pressure seat is hermetically embedded with the inner side of the lower bearing shell, so that the vibration generated by the external equipment is slowly released.

Description

TECHNICAL FIELD

[0001] The utility model belongs to shock absorbing equipment technical field relates to a kind of shock absorber of high-strength bearing sealing structure. BACKGROUND

[0002] The existing shock absorber in the aspect of sealing damping exists mainly in the aging of sealing material, the complexity of sealing structure and the insufficient adaptability to extreme environment. Sealing material such as rubber or plastic will gradually age due to temperature change, ultraviolet radiation, chemical corrosion and other factors in the long-term use process, resulting in the decline of sealing performance, and then affecting the sealing effect of shock absorber. Although complex sealing structure can provide good sealing effect, it increases manufacturing cost and assembly difficulty, and is also easy to wear and damage in long-term use, which puts forward higher requirements for the sealing performance of shock absorber, and conventional shock absorber may not meet these conditions, resulting in sealing failure.

[0003] The conventional coping method includes using material with better aging resistance, designing simpler sealing structure and increasing the redundancy design of sealing element. However, these methods also have disadvantages. Although using aging-resistant material can prolong the service life of sealing element, it is often high in cost, and may still not achieve the expected durability in extreme environment. Simplifying sealing structure can reduce the complexity of manufacturing and assembly, but may sacrifice certain sealing performance, so there is an urgent need for a shock absorber with high-strength bearing sealing structure to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a shock absorber with high-strength bearing sealing structure to solve the problems raised in the background art.

[0005] The utility model realizes the following technical scheme: a shock absorber with high-strength bearing sealing structure, comprising: a pressure rod and a lower limit spring, the lower end of the pressure rod is provided with a group of limit nuts for keeping the position of the pressure rod, the lower end of the limit nut is provided with a group of pressure covers for bearing external pressure, the pressure cover is an oval structure in plan view;

[0006] The lower end of the pressure cover is provided with a group of upper pressure seats for mutual embedding with the inside of the lower bearing shell, the upper pressure seat and the pressure cover are an integral structure, the outer side of the upper pressure seat is movably and sealingly embedded with the inner side of the lower bearing shell, the outer side of the upper pressure seat is provided with a group of lower bearing shells for keeping the vertical downward movement of the upper pressure seat, the lower bearing shell is larger in diameter than the upper pressure seat in plan view.

[0007] As a preferred embodiment, the inner side of the lower shell is made of rubber material, and the upper end of the upper pressure seat is provided with a set of outer limiting rings for keeping sealing fit with the inner side of the upper pressure seat and preventing dust from entering.

[0008] As a preferred embodiment, the outer limiting rings are made of rubber material and are fixedly connected with the upper end of the upper pressure seat, and the lower end of the lower shell is provided with a set of bases for bearing the lower shell.

[0009] As a preferred embodiment, the inner side of the lower shell is made of rubber material, and the upper end of the upper pressure seat is provided with a set of outer limiting rings for keeping sealing fit with the inner side of the upper pressure seat and preventing dust from entering.

[0010] As a preferred embodiment, the inner side of the lower shell is made of rubber material, and the upper end of the upper pressure seat is provided with a set of outer limiting rings for keeping sealing fit with the inner side of the upper pressure seat and preventing dust from entering.

[0011] As a preferred embodiment, the inner side of the lower shell is made of rubber material, and the upper end of the upper pressure seat is provided with a set of outer limiting rings for keeping sealing fit with the inner side of the upper pressure seat and preventing dust from entering.

[0012] As a preferred embodiment, the inner side of the lower shell is made of rubber material, and the upper end of the upper pressure seat is provided with a set of outer limiting rings for keeping sealing fit with the inner side of the upper pressure seat and preventing dust from entering.

[0013] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the operator connects the external equipment requiring shock absorption with the upper end of the device, and then when the external equipment vibrates, the vibration potential energy is downwardly borne by the pressure bearing cap, and the upper pressure seat extrudes the spring damper to generate compression, and at the same time, the upper pressure seat is sealingly embedded in the inner side of the lower shell, and the spring damper releases the vibration, thereby releasing the vibration generated by the external equipment.

[0014] When the spring damper releases the vibration of the external device, the lower limit spring can support the buffer potential energy of the spring damper in the opposite direction, and the spring damper is supported by the lower bearing, the opposite force of the spring damper is buffered in the opposite direction through the damping effect, the lower limit spring supports the lower bearing to keep the spring damper stable, and the upper pressure seat is sealingly connected with the lower bearing shell to ensure that the working environment of the spring damper is sealed, thereby prolonging the service life of the spring damper. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is a front view structure schematic diagram of the shock-absorbing device with high-strength bearing sealing structure;

[0017] Figure 2 It is a front view structure schematic diagram of the shock-absorbing device with high-strength bearing sealing structure in the upper pressure seat and the position of the spring damper;

[0018] Figure 3 It is a right oblique front view structure schematic diagram of the shock-absorbing device with high-strength bearing sealing structure in the lower bearing shell;

[0019] Figure 4 It is a front view structure schematic diagram of the shock-absorbing device with high-strength bearing sealing structure in the lower limit spring and the inside of the lower bearing;

[0020] In the figure: 100-pressure rod, 110-limit nut, 120-pressure cover, 130-upper pressure seat, 140-outer limit ring, 150-lower bearing shell, 160-base, 170-fixing hole, 180-spring damper, 190-connection seat, 200-inner sealing cavity, 210-mounting seat, 220-mounting bolt, 230-lower bearing, 240-lower limit spring. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Please refer to Figures 1-4 A shock-absorbing device with a high-strength load-bearing sealing structure comprises a pressure rod 100, an upper pressure seat 130, a spring damper 180, and a lower limiting spring 240. The lower end of the pressure rod 100 is provided with a set of limiting nuts 110 for defining the position of the pressure rod 100. The lower end of the limiting nut 110 is provided with a set of pressure-bearing covers 120 for bearing external pressure. The pressure-bearing cover 120 has an oval structure in plan view.

[0023] The lower end of the pressure-bearing cover 120 is provided with a set of upper pressure seats 130 for mutually embedding with the inside of the lower bearing shell 150. The upper pressure seat 130 is an integral structure with the pressure-bearing cover 120. The outer side of the upper pressure seat 130 is movably and sealingly embedded with the inner side of the lower bearing shell 150. The outer side of the upper pressure seat 130 is provided with a set of lower bearing shells 150 for keeping the upper pressure seat 130 vertically moving downward. The lower bearing shell 150 has a larger diameter in plan view than the upper pressure seat 130.

[0024] The inner side of the lower bearing shell 150 is made of rubber material. The upper end of the lower bearing shell 150 is provided with a set of outer limiting rings 140 for keeping the inner side of the upper pressure seat 130 sealingly fitted and preventing dust from entering.

[0025] Please refer to Figures 1-4 As the first embodiment of the present application, the staff connects the external device requiring shock-absorbing equipment with the upper end of the device. When the external device vibrates, the vibration potential is downwardly borne by the pressure-bearing cover 120, and the upper pressure seat 130 is pressed to compress the spring damper 180. At the same time, the upper pressure seat 130 is sealingly embedded with the inner side of the lower bearing shell 150, and the spring damper 180 releases the vibration, thereby releasing the vibration generated by the external device.

[0026] The outer limiting ring 140 is made of rubber material and is fixedly connected with the upper end of the upper pressure seat 130. The lower end of the lower bearing shell 150 is provided with a set of bases 160 for bearing the lower bearing shell 150.

[0027] The inner sides of the left and right sides of the base 160 are respectively provided with a set of fixing holes 170 for fixing the base 160. The inner side of the lower bearing shell 150 is provided with a set of inner sealing cavities 200 for providing a sealing release space for external pressure.

[0028] A group of mounting seats 210 are arranged at the inner lower end of the inner sealing cavity 200, and are used for being embedded and limited with the lower end of the lower support 230; the inner part of the mounting seat 210 is provided with a group of lower supports 230, which are used for limiting and fixing the lower end of the spring damper 180.

[0029] A group of lower limiting springs 240 are arranged at the outer side of the lower support 230, which are used for providing reverse force and limiting compression height for the spring damper 180; the upper end of the lower support 230 is provided with a group of spring dampers 180, which are used for releasing pressure of the pressure bearing cover 120.

[0030] Please refer to Figures 1-4 As a second embodiment of the utility model: based on the above-mentioned embodiment, further, when the spring damper 180 releases the vibration of the external equipment, the lower limiting spring 240 can support the buffer potential energy of the spring damper 180 reversely, and the spring damper 180 is supported by the lower support 230; the reverse force of the spring damper 180 is reversely buffered by the damping effect of the spring damper 180, the lower limiting spring 240 supports the lower support 230 to keep the spring damper 180 stable, so as to ensure the service life of the spring damper 180.

[0031] The lower end of the spring damper 180 is fixed by bolt connection with the lower support 230; a group of connecting seats 190 are arranged at the connecting position of the spring damper 180 and the lower support 230, which are used for protecting the pressure of the spring damper 180; the connecting seat 190 is made of rubber material; the mounting seat 210 and the base 160 are connected and fixed by a plurality of groups of mounting bolts 220.

[0032] The above only describes the preferred embodiment of the utility model, and does not limit the utility model; any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high strength load bearing sealed structure shock absorbing device comprising: Pressure rod (100), upper pressure seat (130), spring damper (180) and lower limit spring (240), characterized in that: the lower end of the pressure rod (100) is provided with a group of limit nuts (110) for keeping the position of the pressure rod (100), the lower end of the limit nut (110) is provided with a group of pressure bearing cover (120) for bearing external pressure, the pressure bearing cover (120) is an oval structure in plan view; The lower end of the pressure bearing cover (120) is provided with a group of upper pressure seat (130) for embedding with the inside of the lower bearing shell (150), the upper pressure seat (130) and the pressure bearing cover (120) are an integral structure, the outer side of the upper pressure seat (130) is movably and sealingly embedded with the inner side of the lower bearing shell (150), the outer side of the upper pressure seat (130) is provided with a group of lower bearing shell (150) for keeping the vertical downward movement of the upper pressure seat (130), the diameter of the lower bearing shell (150) in plan view is greater than that of the upper pressure seat (130) in plan view.

2. A high strength load bearing shock absorbing device with a sealed structure according to claim 1, characterized in that: The inner side of the lower bearing shell (150) is made of rubber material, the upper end of the lower bearing shell (150) is provided with a group of outer limit ring (140) for keeping sealing fit with the inner side of the upper pressure seat (130) and preventing dust from entering.

3. A high strength load bearing sealed shock device according to claim 2, wherein: The outer limit ring (140) is made of rubber material and is connected and fixed with the upper end of the upper pressure seat (130), the lower end of the lower bearing shell (150) is provided with a group of base (160) for bearing.

4. A high strength load bearing sealed shock device according to claim 3, wherein: The inner side of the lower bearing shell (150) is made of rubber material, the upper end of the lower bearing shell (150) is provided with a group of outer limit ring (140) for keeping sealing fit with the inner side of the upper pressure seat (130) and preventing dust from entering.

5. A high strength load bearing sealed shock device according to claim 4, wherein: The inner side of the lower bearing shell (150) is provided with a group of inner sealing cavity (200) for providing sealing and slow release space for external pressure.

6. A high strength load bearing shock absorbing device with a sealed structure according to claim 5, wherein: The inner end of the inner sealing cavity (200) is provided with a group of mounting seat (210) for embedding and limiting with the lower end of the lower bearing (230), the inner end of the mounting seat (210) is provided with a group of lower bearing (230) for limiting and fixing the lower end of the spring damper (180).

7. A high strength load bearing sealed shock device according to claim 6, wherein: The outer side of the lower bearing (230) is provided with a group of lower limit spring (240) for providing reverse force and limiting compression height for the spring damper (180), the upper end of the lower bearing (230) is provided with a group of spring damper (180) for slow release of the pressure of the pressure bearing cover (120). The lower end of the spring damper (180) is connected and fixed with the lower bearing (230) through bolts, the connection position of the spring damper (180) and the lower bearing (230) is provided with a group of connecting seat (190) for protecting the pressure of the spring damper (180), the connecting seat (190) is made of rubber material, the mounting seat (210) and the base (160) are connected and fixed through a plurality of groups of mounting bolts (220).

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