CN211175156U - Totally-enclosed silent shock absorber - Google Patents
Totally-enclosed silent shock absorber Download PDFInfo
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- CN211175156U CN211175156U CN201920408188.1U CN201920408188U CN211175156U CN 211175156 U CN211175156 U CN 211175156U CN 201920408188 U CN201920408188 U CN 201920408188U CN 211175156 U CN211175156 U CN 211175156U
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- cylinder
- shock absorber
- cylinder shell
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- metal spring
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Abstract
The utility model discloses a totally-enclosed silent shock absorber, which comprises a cylinder shell, a cylinder cover is arranged in the cylinder shell, the cylinder cover and the bottom of the cylinder shell form a closed space, the cylinder cover can move relative to the cylinder shell, a damping mechanism is arranged in the closed space and is positioned between the cylinder cover and the bottom of the cylinder shell, the shock absorption mechanism consists of a metal spring and a non-metal hemp rope, the non-metal hemp rope is wound on the surface of the metal steel wire, the cylinder cover can push the metal spring to move, the two sides of the cylinder shell are respectively provided with an exhaust hole and an air outlet hole, the distance between the exhaust hole and the bottom of the cylinder shell is larger than the height of the metal spring in a free state, and the distance between the air outlet and the bottom of the cylinder shell is larger than the height of the metal spring in a free state. The utility model discloses can effectively realize falling of making an uproar of bumper shock absorber, avoid noise harm human body.
Description
Technical Field
The utility model relates to a damping device field especially relates to a totally closed noiseless bumper shock absorber.
Background
The shock absorber is one of the devices commonly used in production and life, such as a vehicle shock absorber in an automobile, a shock absorber in a household sofa, etc., and most of the shock absorbers are known to be made of metal (spring steel), and the shock absorber made of metal can easily make sound and generate noise due to movement during work, thereby bringing many disadvantages to life and health of people.
The harm of noise to the human body is systemic, and can cause changes in the auditory system and also affect the non-auditory system. The early stages of these effects are mainly physiological changes, which can be caused by prolonged exposure to relatively intense noise. In addition, noise in the workplace can also interfere with verbal communication, affect work efficiency, and even cause accidents. Therefore, how to realize the noise reduction of the shock absorber is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a totally closed silence bumper shock absorber to realize making an uproar falls of bumper shock absorber.
A totally-enclosed silent shock absorber comprises a cylinder shell, a cylinder cover is arranged in the cylinder shell, a closed space is formed between the cylinder cover and the bottom of the cylinder shell, the cylinder cover can move relative to the cylinder shell, a damping mechanism is arranged in the closed space and is positioned between the cylinder cover and the bottom of the cylinder shell, the shock absorption mechanism consists of a metal spring and a non-metal hemp rope, the non-metal hemp rope is wound on the surface of the metal steel wire, the cylinder cover can push the metal spring to move, the two sides of the cylinder shell are respectively provided with an exhaust hole and an air outlet hole, the distance between the exhaust hole and the bottom of the cylinder shell is larger than the height of the metal spring in a free state, and the distance between the air outlet and the bottom of the cylinder shell is larger than the height of the metal spring in a free state.
According to the utility model provides a totally closed silence damper, promote the metal spring motion through the cylinder cap, cushion the motion by metal spring, realize the shock attenuation, because damper comprises metal spring and nonmetal rope made of hemp, nonmetal rope made of hemp twine is on the surface of metal steel wire, and damper is in airtight space, on the one hand, the noise that produces in the metal spring motion process can be slowed down and absorbed by nonmetal rope made of hemp, reach the effect of noise reduction, on the other hand, airtight space also can carry out the separation to the noise that produces in the metal spring motion process, avoid the noise to spread the cylinder shell, finally make this totally closed silence damper can effectively realize falling of bumper shock absorber making an uproar, avoid the noise harm human body.
In addition, according to the utility model provides a totally closed noiseless bumper shock absorber can also have following additional technical characterstic:
further, the inside of cylinder body shell is equipped with the backup pad, the centre of backup pad is equipped with spacing hole, the cylinder cap include catch bar and with the catch bar is connected the catch bar, the catch bar with damper contacts, the catch bar is located in the spacing hole, the catch bar is in round trip movement in the spacing hole, it is right the motion of cylinder cap carries on spacingly.
Furthermore, one end, far away from the push plate, of the push rod is connected with a piston damping mechanism, the piston damping mechanism comprises a piston rod and a piston cylinder connected with the piston rod, and the piston rod is connected with the push rod.
Furthermore, a sealing ring is arranged at the joint of the piston rod and the push rod.
Further, the sealing ring is made of rubber.
Further, the top of cylinder body shell is equipped with the hole of stepping down, the external diameter of piston rod with the aperture of the hole of stepping down equals, the piston rod is located in the hole of stepping down.
Further, one end, far away from the piston rod, of the piston cylinder is connected with a fixer.
Furthermore, bases are arranged at two ends of the bottom of the cylinder shell, and positioning holes are formed in the bases.
Further, the inner layer of the cylinder shell is provided with a soundproof cotton plate.
Further, the distance between the exhaust hole and the bottom of the cylinder shell is equal to the distance between the air outlet hole and the bottom of the cylinder shell.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a totally enclosed silent shock absorber according to a first embodiment of the present invention;
FIG. 2 is an enlarged view of circle A of FIG. 1;
fig. 3 is a schematic structural view of a totally enclosed silent shock absorber according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a totally enclosed silent shock absorber according to a first embodiment of the present invention includes a cylinder housing 10, a cylinder cover 20 is disposed in the cylinder housing 10, a closed space 30 is formed between the cylinder cover 20 and the bottom of the cylinder housing 10, the cylinder cover 20 can move relative to the cylinder housing 10, and a damping mechanism 40 is disposed in the closed space 30.
The shock absorption mechanism 40 is located between the cylinder cover 20 and the bottom of the cylinder shell 10, the shock absorption mechanism 40 is composed of a metal spring 41 and a nonmetal hemp rope 42, the nonmetal hemp rope 42 is wound on the surface of the metal steel wire 41, and the cylinder cover 20 can push the metal spring 41 to move so as to realize shock absorption. The non-metal hemp rope 42 is wound on the surface of the metal steel wire 41 in the forms of gluing, layering, mixed loading, crossing and the like.
The exhaust hole 11 and the air outlet hole 12 are respectively arranged on two sides of the cylinder shell 10, exhaust and air outlet are achieved through the exhaust hole 11 and the air outlet hole 12, specifically, the distance between the exhaust hole 11 and the bottom of the cylinder shell 10 is larger than the height of the metal spring 41 in a free state, and the distance between the air outlet hole 12 and the bottom of the cylinder shell 10 is larger than the height of the metal spring 41 in a free state. Preferably, the distance between the exhaust hole and the bottom of the cylinder shell is equal to the distance between the air outlet hole and the bottom of the cylinder shell.
According to the totally closed silence damper that this embodiment provided, promote metal spring 41 through cylinder cap 20 and move, cushion the motion by metal spring 41, realize the shock attenuation, because damper 40 comprises metal spring 41 and nonmetal hemp rope 42, nonmetal hemp rope 42 twines on the surface of metal wire 41, and damper 40 is located airtight space 30, on the one hand, the noise that produces in the metal spring 41 motion process can be slowed down and absorbed by nonmetal hemp rope 42, reach the effect that reduces the noise, on the other hand, airtight space 30 also can carry out the separation to the noise that produces in the metal spring 41 motion process, avoid the noise to spread cylinder body shell 10, finally make this totally closed silence damper can effectively realize the noise reduction of bumper shock absorber, avoid the noise harm human body.
Specifically, in this embodiment, bases 50 are disposed at two ends of the bottom of the cylinder housing 10, positioning holes 51 are disposed on the bases 50, and the cylinder housing 10 can be fixed at a corresponding position by the positioning holes 51 being matched with bolts.
Preferably, a soundproof cotton plate 60 is disposed in an inner layer of the cylinder housing 10, so that a noise reduction effect can be further improved.
It should be noted that, in specific implementation, the totally-enclosed silent vibration absorber can be made into a single-layer totally-enclosed silent vibration absorber or a double-layer or multi-layer totally-enclosed silent vibration absorber according to the application (the height of the vibration absorbing degree).
The shape of the totally-enclosed silent vibration absorber can be made into a spherical shape or a cylindrical shape according to the application (the degree of vibration absorption).
The totally-enclosed silent vibration absorber can be widely applied to the fields of vibration absorption of engines and seats of transport vehicles and ships, noise reduction of moving machinery, noise elimination of damping mechanisms, noise reduction and vibration absorption of household furniture and the like.
Referring to fig. 3, a totally enclosed silent shock absorber according to a second embodiment of the present invention is improved from the first embodiment, and the embodiment focuses on the differences from the first embodiment, and other parts not shown can be referred to the first embodiment. Specifically, in this embodiment, the inside of the cylinder housing 10 is provided with the support plate 70, the support plate 70 may be integrally formed with the cylinder housing 10, the middle of the support plate 70 is provided with a limiting hole, the cylinder cover 20 includes a push rod 21 and a push plate 22 connected to the push rod 21, the push plate 22 contacts the damping mechanism 40, the push rod 21 is disposed in the limiting hole of the support plate 70, and the push rod 21 moves back and forth in the limiting hole to limit the movement of the cylinder cover 20.
In this embodiment, one end of the push rod 21, which is far away from the push plate 22, is connected to a piston damping mechanism, the piston damping mechanism includes a piston rod 81 and a piston cylinder 82 connected to the piston rod 81, and the piston rod 81 is connected to the push rod 21. Through setting up piston damper, realized dual shock attenuation effect, can promote the damping performance.
The top of cylinder body shell 10 is equipped with the hole of stepping down, the external diameter of piston rod 81 with the aperture of the hole of stepping down equals, piston rod 81 is located in the hole of stepping down.
Optionally, a sealing ring 90 is disposed at a joint of the piston rod 81 and the push rod 21 for improving sealing performance. The sealing ring 90 may be made of rubber.
Optionally, one end of the piston cylinder 82 away from the piston rod 81 is connected to a fixer 100, and the piston damping mechanism can be fixed at a corresponding position by the fixer 100, so as to be fixed in two directions together with the positioning hole 51 on the base 50.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A totally-enclosed silent shock absorber is characterized by comprising a cylinder shell, a cylinder cover is arranged in the cylinder shell, the cylinder cover and the bottom of the cylinder shell form a closed space, the cylinder cover can move relative to the cylinder shell, a damping mechanism is arranged in the closed space and is positioned between the cylinder cover and the bottom of the cylinder shell, the damping mechanism consists of a metal spring and a non-metal hemp rope, the non-metal hemp rope is wound on the surface of a steel wire of the metal spring, the cylinder cover can push the metal spring to move, the two sides of the cylinder shell are respectively provided with an exhaust hole and an air outlet hole, the distance between the exhaust hole and the bottom of the cylinder shell is larger than the height of the metal spring in a free state, and the distance between the air outlet and the bottom of the cylinder shell is larger than the height of the metal spring in a free state.
2. The totally-enclosed silent shock absorber according to claim 1, wherein a support plate is provided inside the cylinder housing, a limiting hole is provided in the middle of the support plate, the cylinder cover comprises a push rod and a push plate connected with the push rod, the push plate is in contact with the damping mechanism, the push rod is provided in the limiting hole, and the push rod moves back and forth in the limiting hole to limit the movement of the cylinder cover.
3. The totally enclosed silent shock absorber according to claim 2, wherein the end of the push rod remote from the push plate is connected to a piston damping mechanism, which comprises a piston rod and a piston cylinder connected to the piston rod, the piston rod being connected to the push rod.
4. A totally enclosed silent shock absorber according to claim 3, wherein a sealing ring is provided at the junction of said piston rod and said push rod.
5. A totally enclosed silent shock absorber according to claim 4 in which the sealing ring is of rubber.
6. A totally enclosed silent shock absorber according to claim 3, wherein a relief hole is provided at the top of the cylinder housing, the outer diameter of the piston rod is equal to the diameter of the relief hole, and the piston rod is located in the relief hole.
7. A totally enclosed silent shock absorber according to claim 3 wherein the end of the piston cylinder remote from the piston rod is attached to a holder.
8. A totally enclosed silent shock absorber according to claim 1, wherein bases are provided at both ends of the bottom of the cylinder housing, said bases being provided with positioning holes.
9. A totally enclosed silent shock absorber according to claim 1 wherein the inner layer of the cylinder shell is provided with an acoustic cotton board.
10. The totally enclosed silent shock absorber according to claim 1, wherein the distance between said exhaust port and the bottom of said cylinder housing is equal to the distance between said outlet port and the bottom of said cylinder housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408188.1U CN211175156U (en) | 2019-03-28 | 2019-03-28 | Totally-enclosed silent shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408188.1U CN211175156U (en) | 2019-03-28 | 2019-03-28 | Totally-enclosed silent shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175156U true CN211175156U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408188.1U Expired - Fee Related CN211175156U (en) | 2019-03-28 | 2019-03-28 | Totally-enclosed silent shock absorber |
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| Country | Link |
|---|---|
| CN (1) | CN211175156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005740A (en) * | 2019-03-28 | 2019-07-12 | 武汉东湖学院 | A kind of totally-enclosed noiseless damper |
-
2019
- 2019-03-28 CN CN201920408188.1U patent/CN211175156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005740A (en) * | 2019-03-28 | 2019-07-12 | 武汉东湖学院 | A kind of totally-enclosed noiseless damper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20210328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |