CN212633691U

CN212633691U - Cover body, knocking device and operation device

Info

Publication number: CN212633691U
Application number: CN202021178987.3U
Authority: CN
Inventors: 汪冬
Original assignee: Guangzhou Liduo Robot Intelligent Technology Co ltd
Current assignee: Guangzhou Liduo Robot Intelligent Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-02
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to a cover body, knocking device and operation device, this cover body includes first casing and second casing, the inside of second casing is provided with the accommodation space, first casing cover is established the outside of second casing, be formed with the air cavity between first casing and the second casing, be provided with interior gas pocket on the second casing, the air cavity with the accommodation space is linked together through interior gas pocket, be provided with the external air hole on the second casing, the air cavity is linked together with the external world through the external air hole, interior gas pocket is greater than the external air hole; the cover body, the knocking device and the operation device can insulate sound and water, and the knocking device and the operation device using the cover body can reduce noise and can also operate underwater.

Description

Cover body, knocking device and operation device

Technical Field

The utility model relates to a rust cleaning machinery, in particular to cover body, knocking device and operation device.

Background

At present, the rust removal modes in the market can be mainly divided into shot blasting rust removal, sand blasting rust removal and pickling-free wire drawing rust removal.

The shot blasting rust removal mainly comprises the steps of throwing steel shots with certain particle sizes out by utilizing the high-speed operation of mechanical equipment through the centrifugal force of a head throwing mechanism, and violently colliding the thrown steel shots with an object to be rust removed so as to remove the rust of the object to be rust removed; the automatic derusting equipment for shot blasting is mainly composed of a shot blasting device, a wear-resistant rubber ring belt, a packing auger, a lifting device, a separator, a feeding conveyer, a dust remover and an electric appliance. The sand blasting is a rust removing method which is achieved by utilizing high-pressure air to bring out quartz sand and spray the quartz sand on the surface of a component; a complete suction dry sander generally consists of six systems, namely a structural system, a medium power system, a piping system, a dust removal system, a control system and an auxiliary system. The pickling-free wire drawing rust removal mainly aims at the rust removal of the wire; the pickling-free shelling and rust removing machine mainly comprises a gearbox five-wheel shelling mechanism, an adjustable cross parabola steel wire brush wheel, a totally-closed rust removing chamber, a forced lubricating device, a wire drawing die frame and an electrical control system. Therefore, whether the shot blasting rust remover, the sand blasting rust remover or the pickling-free wire drawing equipment is used, the equipment required for removing rust is many, the size is large, and the movement is difficult. Based on the above, the company designs a knocking device which is small in size and convenient to move; however, the knocking device has the defects of high noise and incapability of underwater operation in the knocking and derusting process at present.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a can noise abatement, and can waterproof cover body.

The utility model discloses a technical scheme be a cover body, including first casing and second casing, the inside of second casing is provided with the accommodation space, first casing cover is established the outside of second casing, first casing with be formed with the air cavity between the second casing, be provided with interior gas pocket on the second casing, the air cavity with the accommodation space passes through interior gas pocket is linked together, be provided with outer gas pocket on the second casing, the air cavity passes through outer gas pocket is linked together with the external world, interior gas pocket is greater than outer gas pocket.

Preferably, the cover body further comprises a support frame, the first shell and the second shell are fixedly connected with the support frame in a sealing manner, and the air cavity is divided into a plurality of independent pressure air cavities by the support frame.

Preferably, the support frame comprises a plurality of support rods, and the support rods surround a plurality of hexagonal pressure air chambers.

Preferably, the inner side of the supporting rod is recessed to form an inner groove, and the inner air hole is arranged corresponding to the inner groove; the outer side of the support frame is sunken to form an outer groove, and the outer air hole is arranged corresponding to the outer groove.

Preferably, the inner groove is larger than the outer groove, and the inner groove and the outer groove are arranged in a staggered manner; the number of the inner air holes corresponding to each inner groove is larger than that of the outer air holes corresponding to each outer groove.

Preferably, a frame is arranged on the opening side of the cover body, a circle of sealing strip is fixed on the frame, and the sealing strip has flexibility; the sealing strip extends towards the direction far away from the air cavity, and extends out of the frame.

Preferably, the cover body comprises a fixed part and a movable part, an opening matched with the movable part is formed in the fixed part, the movable part is detachably connected with the fixed part, and a through hole is formed between the fixed part and the movable part.

Preferably, the cover body comprises a fixing frame and a plurality of sound insulation boards, each sound insulation board at least comprises a first shell and a second shell, and the first shell and the second shell are fixed on the fixing frame.

The utility model also provides a knocking device, including knocking mechanism and above-mentioned arbitrary the cover body, knocking mechanism is located in the accommodation space, knocking mechanism includes knocking mechanism body and warhead, the air cavity has been seted up on the knocking mechanism body, warhead swing joint in the air cavity, outside distribution mechanism gives the air cavity confession gas, gaseous process the air cavity gets into the external world, gas drive the warhead is relative reciprocating motion is done to the air cavity.

The utility model also provides an operation device, including operation mechanism, aerify mechanism and above-mentioned arbitrary one the cover body, operation mechanism is located in the accommodation space, aerify the mechanism with the accommodation space is linked together.

The utility model discloses a cover body, including accommodation space and air cavity, and be linked together between accommodation space and the air cavity, through the air flue intercommunication between air cavity and the external world, when the atmospheric pressure grow in the accommodation space, the air current can flow in the air cavity, and when the atmospheric pressure increase of air cavity, the gas of air cavity can flow to the external world through the air flue, because will pass through the air flue from the air cavity entering external, the air current flows and receives the resistance, consequently can form the atmospheric pressure of accommodation space and be greater than the atmospheric pressure of air cavity, and the atmospheric pressure of atmospheric pressure is greater than external atmospheric pressure's phenomenon again.

Because the transmission frequency of sound wave in the space that atmospheric pressure is different, consequently, people can not hear the noise that produces in the cover body, and this cover body can effectively be with noise separation.

In addition, if the air pressure in the accommodating space is large enough and the air pressure in the air cavity is larger than the external air pressure/water pressure, the external air/water cannot enter the air cavity and the accommodating space, so that the air/water outside the cover body can be prevented from entering the cover body, and the waterproof effect is achieved.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is an overall view of the cover according to the preferred embodiment of the present invention;

FIG. 2 is an overall view of the housing of the preferred embodiment of the present invention with a portion of the first housing removed;

FIG. 3 is a partial block diagram of the baffle and frame of the preferred embodiment of the present invention;

fig. 4 is a partial structural view showing a state where a seal strip is attached to a support frame according to a preferred embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the technical solution adopted by the present invention is a cover body, which comprises a first shell 11 and a second shell 12. The second housing 12 is provided with an accommodating space 10 therein, the first housing 11 is sleeved outside the second housing 12, and an air cavity 50 is formed between the first housing 11 and the second housing 12. The second housing 12 is provided with an inner air hole 120, the air cavity 50 is communicated with the accommodating space 10 through the inner air hole 120, the second housing 12 is provided with an outer air hole 110, the air cavity 50 is communicated with the outside through the outer air hole 110, and the inner air hole 120 is larger than the outer air hole 110. When the air pressure in the accommodating space 10 becomes large, the air flow can flow into the air cavity 50 through the inner air hole 120, when the air pressure in the air cavity 50 increases, the air in the air cavity 50 can flow to the outside through the outer air hole 110, because the inner air hole 120 is larger than the outer air hole 110, the amount of the air flow flowing into the air cavity 50 can be smaller than the amount of the air flow out of the air cavity 50, a certain air pressure is formed in the air cavity 50, the air pressure of the accommodating space 10 can be larger than the air pressure of the air cavity 50, and the air pressure of the air pressure is larger than the external. Because the transmission frequencies of the sound waves in the spaces with different air pressures are different, people cannot hear the noise generated in the cover body, and the cover body can effectively block the noise. In addition, if the air pressure in the accommodating space 10 is sufficiently large and the air pressure in the air cavity 50 is also larger than the external air pressure/water pressure, the external air/water cannot enter the air cavity 50 and the accommodating space 10, so that the air/water outside the cover body can be prevented from entering the cover body, and the waterproof effect is achieved.

It should be noted that the inner air holes 120 are larger than the outer air holes 110, which means that the sum of the opening areas of all the inner air holes 120 and the area of all the outer air holes 110 is larger. If the inner air holes 120 are the same size as the outer air holes 110, but the number of the inner air holes 120 is greater than the number of the outer air holes 110; as another example, the number of inner air holes 120 is the same as the number of outer air holes 110, but a single inner air hole 120 is larger than a single outer air hole 110. These are all the cases where the inner air holes 120 are larger than the outer air holes 110. The amount of gas entering the gas chamber 50 is greater than the amount of gas exiting the gas chamber 50, resulting in a gas pressure within the gas chamber 50 greater than atmospheric pressure (or water pressure).

Referring to fig. 2 and 4, the housing further includes a support frame 5, and the first housing 11 is located inside the support frame 5 and is connected to the support frame 5 in a sealing manner; the second shell 12 is positioned at the outer side of the support frame 5 and is also connected with the support frame 5 in a sealing way; the air chamber 50 is divided into a plurality of independent pressure air chambers 501 by the support frame 5.

In the preferred embodiment, the support frame 5 comprises a plurality of support rods that enclose a plurality of hexagonal pressurized air chambers 501. Specifically, the support rods enclose a plurality of regular hexagonal pressure air chambers 501, and the regular hexagonal structure is more stable and beneficial to deformation. Whether the cover body is square or round, the regular hexagon can be easily adjusted to adapt to the shape of the cover body according to the needs.

In a preferred embodiment, the inner side of the support frame 5 is recessed to form an inner groove 5252, the inner groove 5252 is communicated with the air cavity 50, and the inner air hole 120 is arranged corresponding to the inner groove 5252; the outer side of the supporting frame 5 is recessed to form an outer groove 51, the outer groove 51 is communicated with the outside, and the outer air hole 110 is arranged corresponding to the outer groove 51. The air flow enters the grooves from the inner air holes 120, enters the air cavity 50 through the inner grooves 51, flows from the air cavity 50 to the outer grooves 51, and finally flows to the outside from the outer grooves 51.

In a preferred embodiment, the inner groove 5252 is larger than the outer groove 51, the inner groove 5252 is offset from the outer groove 51, the inner air hole 120 is opposite to the inner groove 5252, and when the air pressure chamber 501 is polygonal, the inner groove 5252 and the outer groove 51 are located on the support rods corresponding to different sides of the air pressure chamber 501. The stay time of the air flow in the air cavity 50 is longer, the resistance of the air flow from the air cavity 50 to the outside is increased, the pressure difference of the air pressure in the air cavity 50 relative to the outside is increased, and in addition, the strength of the support rod can be increased.

Referring to fig. 4, in a preferred embodiment, the opening side of the cover is provided with a frame 3, a fixing groove 30 is formed on the frame 3, a ring of sealing strips 6 is fixed in the fixing groove 30, and the sealing strips 6 have flexibility; the sealing strip 6 extends in a direction away from the air cavity 50, and the sealing strip 6 extends outside the frame. The sealing strip 6 can give sound insulation and water isolation, in addition, when the pressure in the accommodating space 10 is too large, the sealing strip 6 can be flushed, part of gas is released from the sealing strip 6, and meanwhile, the rust slag knocked off in the rust removing process can be blown out from the accommodating space 10.

Referring to fig. 2, in a preferred embodiment, the cover body includes a fixed portion 60 and a movable portion 6, the fixed portion 60 is provided with an opening matched with the movable portion, the movable portion 6 is detachably connected with the fixed portion 60, and a through hole 601 is formed between the fixed portion 60 and the movable portion 6. When the fixing part 60 is installed on the knocking mechanism, the slide rail (or the fixing rod) on the knocking mechanism penetrates through the through hole 601, and then the movable part 6 is fixed on the fixing part 601. The movable part 6 is provided to fix the cover to the working equipment. Note that, both the fixed part 60 and the movable part 6 are assembled by at least the first housing 11 and the second housing 12.

In the preferred embodiment, the enclosure comprises a fixed frame 2 and a plurality of baffles 1, each of said baffles 1 comprising at least a first shell 11 and a second shell 12, the first shell 11 and said second shell 12 being fixed to said fixed frame 2. The frame can increase the cavity of the cover body. In production, the first housing 11 and the second housing 12 may be assembled and fixed to form the baffle 1 and then mounted on the fixing frame 2, or the first housing 11 and the second housing 12 may be directly mounted on the fixing frame 2. The cover body is also provided with a fixing ring 4.

The utility model also provides a knocking device, including the cover body of knocking mechanism and above-mentioned arbitrary, knocking mechanism is located accommodation space 10, and knocking mechanism includes knocking mechanism body and warhead, has seted up air cavity 50 on the knocking mechanism body, and warhead swing joint is in air cavity 50, and outside gas distribution mechanism supplies gas for air cavity 50, and gas gets into the external world through air cavity 50, and reciprocating motion is to the relative air cavity 50 of gas drive warhead.

The utility model also provides an operation device, including the operation mechanism, aerify the cover body of mechanism and above-mentioned arbitrary one, the operation mechanism is located accommodation space 10, aerifys the mechanism and is linked together with accommodation space 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. 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

1. The cover body is characterized by comprising a first shell and a second shell, wherein an accommodating space is arranged in the second shell, the first shell is sleeved outside the second shell, an air cavity is formed between the first shell and the second shell, an inner air hole is formed in the second shell, the air cavity is communicated with the accommodating space through the inner air hole, an outer air hole is formed in the second shell, and the air cavity is communicated with the outside through the outer air hole.

2. The enclosure of claim 1, further comprising a support frame, wherein the first housing and the second housing are both fixed to the support frame in a sealing manner, and the air chamber is divided into a plurality of independent pressure air chambers by the support frame.

3. The cover of claim 2, wherein the support frame comprises a plurality of support rods that enclose a plurality of hexagonal pressurized air chambers.

4. The cover body of claim 3, wherein the inner side of the support rod is recessed to form an inner groove, and the inner air hole is arranged corresponding to the inner groove; the outer side of the support frame is sunken to form an outer groove, and the outer air hole is arranged corresponding to the outer groove.

5. The cover according to claim 4, wherein the inner air hole is larger than the outer air hole; furthermore, the inner groove is larger than the outer groove, and the inner groove and the outer groove are arranged in a staggered mode; the number of the inner air holes corresponding to each inner groove is larger than that of the outer air holes corresponding to each outer groove.

6. The cover body of claim 1, wherein the open side of the cover body is provided with a frame, a circle of sealing strip is fixed on the frame, and the sealing strip has flexibility; the sealing strip extends towards the direction far away from the air cavity, and extends out of the frame.

7. The cover according to claim 1, wherein the cover comprises a fixed portion and a movable portion, the fixed portion has an opening matching with the movable portion, the movable portion is detachably connected to the fixed portion, and a through hole is formed between the fixed portion and the movable portion.

8. The housing according to claim 1, wherein said housing includes a mount and a plurality of baffles, each of said baffles including at least a first shell and a second shell, said first shell and said second shell being secured to said mount.

9. A knocking device is characterized by comprising a knocking mechanism and a cover body as claimed in any one of claims 1 to 8, wherein the knocking mechanism is located in the accommodating space and comprises a knocking mechanism body and a bullet, an air cavity is formed in the knocking mechanism body, the bullet is movably connected into the air cavity, an external air distribution mechanism supplies air to the air cavity, the air enters the outside through the air cavity, and the air drives the bullet to reciprocate relative to the air cavity.

10. An operation device, comprising an operation mechanism, an inflation mechanism and the cover body as claimed in any one of the preceding claims 1 to 8, wherein the operation mechanism is located in the accommodating space, and the inflation mechanism is communicated with the accommodating space.