CN221257513U

CN221257513U - Noise reduction type gas spring

Info

Publication number: CN221257513U
Application number: CN202323086186.0U
Authority: CN
Inventors: 丁治秋; 丁治筛; 陈名名
Original assignee: Changzhou Nantai Gas Spring Co ltd
Current assignee: Changzhou Nantai Gas Spring Co ltd
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-07-02
Anticipated expiration: 2033-11-16

Abstract

The utility model relates to the technical field of gas springs and discloses a noise-reducing gas spring which comprises a cylinder barrel, wherein sliding grooves are formed in the left side and the right side of the inner wall of the cylinder barrel, a groove is formed in the inner wall of the bottom end of the cylinder barrel, a sound insulation rubber cushion is fixedly connected to the inner wall of the bottom end of the groove, sound insulation felts are fixedly connected to the inner walls of the front end and the rear end of the cylinder barrel, a noise absorption silk screen is fixedly connected to the outer wall of the cylinder barrel, and a buffer assembly is arranged in the cylinder barrel. According to the utility model, the noise absorbing silk screen is used for reducing vibration and noise transmission of the gas spring, effectively absorbing and attenuating the vibration and noise, the sound insulation felt is used for absorbing and isolating the vibration, the sound insulation and absorbing performance is good, the sound insulation rubber pad has good elasticity and buffering performance, the service life of the gas spring can be effectively prolonged, the condition that the vibration and noise are generated when the gas spring works is avoided, and the service life of the gas spring is prolonged is realized.

Description

Noise reduction type gas spring

Technical Field

The utility model relates to the technical field of gas springs, in particular to a noise reduction type gas spring.

Background

The gas spring is a device for generating elastic force by using gas pressure, and consists of a sealed container, an inflation valve and a piston, when the gas is filled in the gas spring, the gas pressure can cause the piston to bear force and generate elastic deformation, so that the device has the function similar to a spring.

The existing gas spring can generate vibration and noise when working in mechanical equipment, the noise can be transmitted to the surrounding environment, bad influence is brought to life and work of people, and the vibration is generated when the gas spring works, so that impact load is generated on the equipment to influence normal use of the equipment.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a noise-reduction type gas spring, which aims to solve the problems that vibration and noise are generated when the gas spring works, and bad influence is caused on equipment and personnel.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fall and make an uproar air spring, includes the cylinder, the spout has all been seted up to the inner wall left and right sides of cylinder, the bottom forehead inner wall of cylinder is seted up flutedly, the bottom inner wall fixedly connected with sound insulation cushion of recess, the equal fixedly connected with sound insulation felt of both ends inner wall around the cylinder, the outer wall fixedly connected with noise absorption silk screen of cylinder, the inside of cylinder is provided with buffer assembly.

As a further description of the above technical solution:

The buffer component comprises a piston rod, and the outer wall of the piston rod is slidably connected to the inner wall of the cylinder barrel.

As a further description of the above technical solution:

The bottom fixedly connected with spliced pole of piston rod, the bottom outer wall setting of spliced pole is at the inner wall of recess.

As a further description of the above technical solution:

The bottom left and right sides of piston rod is equal fixedly connected with connecting block, both sides the equal fixedly connected with buffer spring of bottom outer wall of connecting block.

As a further description of the above technical solution:

The buffer springs on both sides are kept away from the bottom inner wall of the bottom of the spout of both sides equal fixed connection of one end of connecting block.

As a further description of the above technical solution:

The two sides the inner wall of the opposite one end of the connecting block is all connected with the ball in a sliding way, and the two sides the outer walls of the connecting block and the ball are all connected with the inner wall of the chute in a sliding way.

The utility model has the following beneficial effects:

In the utility model, firstly, the noise absorbing silk screen is used for reducing vibration and noise transmission of the gas spring, effectively absorbing and attenuating the vibration and noise, and then the sound-absorbing silk screen is used for absorbing and isolating the vibration through the sound-proof felt, so that the sound-absorbing silk screen has better sound-insulating and sound-absorbing performance, in the operation process of the gas spring, the buffer spring buffers the force of the connecting block and the piston rod, and meanwhile, the ball slides in the sliding chute, so that the friction force is reduced, the noise is reduced, and the sound-absorbing silk screen has good elasticity and buffer performance, so that the gas spring can be buffered and damped, the vibration of the gas spring can be reduced, the service life of the gas spring can be effectively prolonged, the situation that the vibration and the noise are generated when the gas spring works is avoided, and the service life of the gas spring is prolonged.

Drawings

FIG. 1 is a perspective view of a noise reduction type gas spring according to the present utility model;

FIG. 2 is a schematic diagram of a groove of a noise reduction type gas spring according to the present utility model;

Fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. A cylinder; 2. a piston rod; 3. a noise absorbing wire mesh; 4. a sound-insulating felt; 5. a chute; 6. a connecting column; 7. a groove; 8. a sound insulation rubber cushion; 9. a connecting block; 10. a ball; 11. and a buffer spring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, reference is made to the following detailed description of the utility model, taken in conjunction with the accompanying drawings.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a fall and make an uproar air spring, includes cylinder 1, and spout 5 has all been seted up to the inner wall left and right sides of cylinder 1, and recess 7 has been seted up to the bottom forehead inner wall of cylinder 1, and the bottom inner wall fixedly connected with sound insulation cushion 8 of recess 7, the equal fixedly connected with sound insulation felt 4 of both ends inner wall around cylinder 1, the outer wall fixedly connected with noise absorption silk screen 3 of cylinder 1, the inside of cylinder 1 is provided with buffer assembly.

Further, the sound insulation rubber cushion 8 is fixedly supported through the cylinder barrel 1, the sound insulation rubber cushion 8 is usually made of natural or synthetic rubber, has good elasticity and buffering performance, can effectively reduce vibration and noise generated by the air spring in the use process, the sound insulation felt 4 is a common sound insulation gasket, has good sound insulation and sound absorption performance, can effectively inhibit vibration and noise, the noise absorption silk screen 3 is an important component for reducing vibration and noise transmission, has good string and sound insulation performance, can be used for reducing vibration and noise performance, and realizes the noise reduction effect.

The buffer assembly comprises a piston rod 2, the outer wall sliding connection of the piston rod 2 is arranged on the inner wall of the cylinder barrel 1, the bottom end fixedly connected with connecting column 6 of the piston rod 2 is arranged on the inner wall of the groove 7, the connecting blocks 9 are fixedly connected to the left side and the right side of the bottom end of the piston rod 2, the buffer springs 11 are fixedly connected to the outer walls of the bottom ends of the connecting blocks 9, the buffer springs 11 are fixedly connected to the inner walls of the bottom ends of the sliding grooves 5 at the positions, far away from the connecting blocks 9, of the two sides, the inner walls of the opposite ends of the connecting blocks 9 are fixedly connected with balls 10 in a sliding manner, and the outer walls of the connecting blocks 9 and the balls 10 are fixedly connected to the inner walls of the sliding grooves 5.

Further, through cylinder 1 to piston rod 2 fixed stay, through piston rod 2 to spliced pole 6 fixed stay, through piston rod 2 to connecting block 9 fixed stay, when connecting block 9 slides in spout 5, provides the power of buffering to connecting block 9 through buffer spring 11, slides in spout 5 through ball 10, reduces frictional force, reduces the production of noise, realizes buffering the effect of making an uproar.

Working principle: firstly, the vibration and noise propagation of the gas spring are reduced through the noise absorption silk screen 3, the vibration and noise are effectively absorbed and attenuated, afterwards, the vibration is damped and isolated through the sound insulation felt 4, the sound insulation and sound absorption performance is good, the piston rod 2 operates in the cylinder barrel 1, the connecting block 9 and the ball 10 are driven to slide in the sliding groove 5, the buffer spring 11 is used for buffering the connecting block 9 and the piston rod 2, the ball 10 slides in the sliding groove 5, the friction force is reduced, the noise is reduced, the connecting column 6 enters the groove 7 through the piston rod 2, the sound insulation rubber cushion 8 has good elasticity and buffer performance, the buffer and vibration absorption effect on the gas spring can be provided, the vibration of the gas spring can be reduced, and the service life of the gas spring can be effectively prolonged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Noise reduction type gas spring, including cylinder (1), its characterized in that: spout (5) have all been seted up to the inner wall left and right sides of cylinder (1), recess (7) have been seted up to the bottom forehead inner wall of cylinder (1), the bottom inner wall fixedly connected with sound insulation cushion (8) of recess (7), the equal fixedly connected with sound insulation felt (4) of both ends inner wall around cylinder (1), the outer wall fixedly connected with noise absorption silk screen (3) of cylinder (1), the inside of cylinder (1) is provided with buffer assembly.

2. A noise reducing gas spring as defined in claim 1, wherein: the buffer component comprises a piston rod (2), and the outer wall of the piston rod (2) is slidably connected with the inner wall of the cylinder barrel (1).

3. A noise reducing gas spring as defined in claim 2, wherein: the bottom fixedly connected with spliced pole (6) of piston rod (2), the bottom outer wall setting of spliced pole (6) is at the inner wall of recess (7).

4. A noise reducing gas spring as defined in claim 2, wherein: the left side and the right side of the bottom end of the piston rod (2) are fixedly connected with connecting blocks (9), and the outer wall of the bottom end of each connecting block (9) is fixedly connected with a buffer spring (11).

5. A noise reducing gas spring as defined in claim 4, wherein: the two sides of the buffer spring (11) are fixedly connected with the inner walls of the bottom ends of the sliding grooves (5) at the two sides at one end far away from the connecting block (9).

6. A noise reducing gas spring as defined in claim 4, wherein: the inner walls of the opposite ends of the connecting blocks (9) at two sides are respectively and slidably connected with a ball (10), and the outer walls of the connecting blocks (9) and the balls (10) at two sides are respectively and slidably connected with the inner walls of the sliding grooves (5).