CN220637783U - Noise reduction and noise reduction pneumatic pick - Google Patents

Abstract

The utility model discloses a noise-reducing and noise-reducing pneumatic pick, which relates to the technical field of pneumatic picks, and particularly relates to a noise-reducing and noise-reducing pneumatic pick. This air pick of amortization of making an uproar falls through setting up outer amortization bowl and interior bowl of making an uproar of falling in the inside of amortization cover, lets the exhaust expand step by step in the airtight cavity that every bowl type structure formed and releases the energy to consequently obviously reduce speed and energy when discharging from the gas outlet, reach the effect that improves the amortization effect.

Description

Noise reduction and noise reduction pneumatic pick

Technical Field

The utility model relates to the technical field of pneumatic picks, in particular to a noise-reducing and noise-reducing pneumatic pick.

Background

The pneumatic pick is a portable device which uses compressed air to repeatedly impact a piston to open a mountain and repair a road to dig ores. The pneumatic pick consists of an impact mechanism, a gas distribution mechanism, a pick drill rod and other parts. When in operation, the impact hammer repeatedly moves along a cylinder in the impact mechanism to impact, and the pick rod is propped against the construction surface to achieve the purpose of breaking

Patent publication No. CN214519987U proposes a pneumatic pick convenient to use, which comprises a handle, the right side fixedly connected with ventilation valve spring of handle, the right side fixedly connected with ventilation valve body of ventilation valve spring, the right side cover of ventilation valve body is equipped with the adapter sleeve body, the surface cover of adapter sleeve body is equipped with the ring cover, the right side of adapter sleeve body is provided with the adapter sleeve cushion, the right side of adapter sleeve body is provided with the amortization cover. Through cooperation of handle, ventilation valve spring, ventilation valve body, adapter sleeve body, ring cover, adapter sleeve cushion, amortization cover, inner ring, locating pin, steel body group, impact head, tip spring, shock-proof ring and end cap, realized convenient to use's purpose, avoided bringing inconvenience for the user to the pneumatic pick, improved the user to the experience of pneumatic pick. When the structure is in actual use, only the exhaust silencing cover is arranged at the exhaust port to carry out exhaust silencing, but the hammer head impacts the outside of the pick drill rod, and the corresponding silencing structure does not exist, so that the sound cannot be processed, and the noise is large. Therefore, the pneumatic pick with noise reduction and noise elimination functions is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a noise-reducing and noise-reducing pneumatic pick, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a pneumatic pick of amortization of making an uproar falls, includes the pick section of thick bamboo, at the hammer block that the inside piston of pick section of thick bamboo moved, the movable sleeve dress is at the pick borer of pick section of thick bamboo right-hand member, the exhaust hole has been seted up to the bottom of pick section of thick bamboo, the outside cover of pick section of thick bamboo is equipped with the amortization cover, the gas outlet has been seted up on the outer wall of amortization cover, be connected with outer amortization bowl on the inner wall of amortization cover, the inboard of amortization cover is filled with the amortization cotton, the right side cover of amortization cover is equipped with the sound-proof housing, the inside of sound-proof housing is provided with the vacuum chamber, the inside of sound-proof housing is filled with the damping cover.

Optionally, the outside cover of pick borer is equipped with the head spring, the left end joint of head spring is in the right-hand member of pick section of thick bamboo.

Optionally, the outside of amortization cover right-hand member has seted up outer draw-in groove, the inside of sound-proof housing left end is connected with interior clamping ring two, interior clamping ring two joint is in the outside of outer draw-in groove.

Optionally, the fixed cover in left end of pick section of thick bamboo is equipped with the adapter sleeve, the inboard of amortization cover left end is connected with interior clamping ring one, interior clamping ring one joint is in the outside of adapter sleeve.

Optionally, small holes are formed in the silencing cotton, and the small holes are communicated with each other.

Optionally, the outer amortization bowl is bottomless bowl form structure, outer amortization bowl equidistant distribution, outer amortization bowl is located between exhaust hole and the gas outlet.

Optionally, the outer connection of pick section of thick bamboo has interior bowl of making an uproar that falls, interior equidistant distribution of bowl of making an uproar falls, interior bowl of making an uproar is located the one side that the outer amortization bowl kept away from the exhaust hole of falling an uproar.

The utility model provides a noise-reducing and silencing pneumatic pick, which has the following beneficial effects:

1. this air pick of amortization of making an uproar falls through setting up outer amortization bowl and interior bowl of making an uproar of falling in the inside of amortization cover, lets the exhaust expand in the airtight cavity that every bowl type structure formed step by step and releases the energy to consequently obviously reduce speed and energy when discharging from the gas outlet, reach the effect that improves the amortization effect, through setting up the amortization cotton in the inside of amortization cover, the inside aperture of amortization cotton can play aperture amortization's effect, reduces exhaust noise.

2. This noise reduction amortization's pneumatic pick through setting up the sound-proof housing in the outside of hammer block and pick borer striking department, and the inside vacuum chamber of sound-proof housing can play the effect of giving sound insulation, reduces the noise that hammer block and pick borer striking produced and to the propagation of external world, and the noise reduction effect is better, through set up the damping cover in the inside of sound-proof housing, the damping cover can play the effect of making an uproar falls in the shock attenuation, reduces the vibrations that produce when hammer block and the pick borer striking, slows down vibrations and noise to the propagation of outside.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the muffler cover of the present utility model in semi-section;

FIG. 4 is a schematic view of the structure of the noise damping cotton of the present utility model;

fig. 5 is a schematic structural view of the soundproof cover of the present utility model.

In the figure: 1. a pick cylinder; 2. a hammer body; 3. an exhaust hole; 4. pick drill rod; 5. a head spring; 6. a sound deadening hood; 61. an air outlet; 62. an outer silencing bowl; 63. an outer clamping groove; 64. an inner clamping ring I; 7. silencing cotton; 71. a small hole; 8. connecting sleeves; 9. a soundproof cover; 91. a vacuum chamber; 92. an inner clamping ring II; 10. a damping sleeve; 11. and (5) an inner noise reduction bowl.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a pneumatic pick of amortization of making an uproar falls, including pick section of thick bamboo 1, the hammer block 2 of piston removal in pick section of thick bamboo 1, the movable sleeve is at pick borer 4 of pick section of thick bamboo 1 right-hand member, exhaust hole 3 has been seted up to the bottom of pick section of thick bamboo 1, the outside cover of pick borer 4 is equipped with head spring 5, the left end joint of head spring 5 is at the right-hand member of pick section of thick bamboo 1, the outside cover of pick section of thick bamboo 1 is equipped with amortization cover 6, through setting up amortization cover 6, amortization cover 6 plays the effect of giving sound insulation, reduce the propagation of noise to the external world, air outlet 61 has been seted up on the outer wall of amortization cover 6, be connected with outer amortization bowl 62 on the inner wall of amortization cover 6, outer amortization bowl 62 is bottomless bowl form structure, form airtight cavity through setting up outer amortization bowl 62, the exhaust is step-by-step expansion release energy in the airtight cavity that every bowl form, speed and energy when reducing gas discharge reach the effect of amortization, outer bowl 62 equidistant distribution between 3 and air outlet 61.

Referring to fig. 2 to 4, an outer clamping groove 63 is formed in the outer side of the right end of the sound-deadening cover 6, an inner clamping ring two 92 is connected to the inner side of the left end of the sound-deadening cover 9, the inner clamping ring two 92 is clamped to the outer side of the outer clamping groove 63, the sound-deadening cover 9 and the sound-deadening cover 6 can be connected together by the aid of the outer clamping groove 63, connection firmness is improved, the sound-deadening cover 9 is prevented from falling off, a connecting sleeve 8 is fixedly sleeved at the left end of the pick cylinder 1, an inner clamping ring one 64 is connected to the inner side of the left end of the sound-deadening cover 6, the inner clamping ring one 64 is clamped to the outer side of the connecting sleeve 8, the inner side of the sound-deadening cover 6 is filled with sound-deadening cotton 7, small holes 71 are formed in the inner side of the sound-deadening cotton 7, the small holes 71 are mutually communicated, sound waves are reflected and mutually overlapped when discharged from the sound-deadening cotton 7 pass through, after collision, the sound waves can be converted into heat energy to achieve the effect of noise reduction, and the effect of noise reduction can be achieved, and the noise of the small holes 71 can reduce the noise.

Referring to fig. 2 and 5, the sound-proof cover 9 is sleeved on the right side of the sound-proof cover 6, the vacuum cavity 91 is arranged in the sound-proof cover 9, the sound-proof cover 9 is located outside the impact part of the hammer body 2 and the pick rod 4, the sound-proof cover 9 is arranged, the vacuum cavity 91 in the sound-proof cover 9 can play a role in sound insulation, the noise generated by the impact of the hammer body 2 and the pick rod 4 is reduced to spread to the outside, the noise-reducing effect is better, the damping sleeve 10 is filled in the sound-proof cover 9, the damping sleeve 10 can play a role in damping and noise-reducing, the vibration generated when the hammer body 2 and the pick rod 4 are impacted is reduced, the vibration and the noise are slowed down to the outside, the outer part of the pick cylinder 1 is connected with the inner noise-reducing bowl 11, the inner noise-reducing bowl 11 is distributed at equal intervals, the inner noise-reducing bowl 11 is located on one side of the outer noise-reducing bowl 62 away from the exhaust hole 3, a closed cavity is formed between the inner noise-reducing bowl 11, the exhaust gas expands in the closed cavity formed by each bowl-shaped structure, and the effect of step-by step is improved.

To sum up, this noise reduction amortization's pneumatic pick, during the use, when exhaust hole 3 outwards exhausts, exhaust passes through from the inside of amortization cotton 7, the sound wave is through reflection, mutual stack, after the collision, the sound wave can turn into heat energy, reach the effect of making an uproar falls, the airtight cavity that the inside gas outlet 61 of amortization cover 6 formed simultaneously, the exhaust expands step by step in the airtight cavity that every bowl type structure formed, the energy of release, further make an uproar falls, when hammer 2 and pick borer 4 striking produced the noise, damping cover 10 can play the effect of shock attenuation and making an uproar falls, the vibrations that produce when hammer 2 and pick borer 4 strike reduce, alleviate vibrations and the outside propagation of noise, noise behind damping cover 10, the inside vacuum cavity 91 of sound insulation cover 9 can play the effect of making an uproar, reduce the noise that hammer 2 and pick borer 4 strike produced to the external world, can.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. 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 (7)

1. The utility model provides a pneumatic pick of amortization of making an uproar falls, includes a pick section of thick bamboo (1), at the hammer block (2) of the inside piston removal of pick section of thick bamboo (1), movable sleeve dress is at pick borer (4) of pick section of thick bamboo (1) right-hand member, its characterized in that: exhaust hole (3) have been seted up to the bottom of pick section of thick bamboo (1), the outside cover of pick section of thick bamboo (1) is equipped with noise elimination cover (6), gas outlet (61) have been seted up on the outer wall of noise elimination cover (6), be connected with outer noise elimination bowl (62) on the inner wall of noise elimination cover (6), the inboard of noise elimination cover (6) is filled has noise elimination cotton (7), the right side cover of noise elimination cover (6) is equipped with sound-proof housing (9), the inside of sound-proof housing (9) is provided with vacuum chamber (91), the inside of sound-proof housing (9) is filled has damping sleeve (10).

2. The noise reduction and silencing air pick according to claim 1, wherein: the outer part of the pick drill rod (4) is sleeved with a head spring (5), and the left end of the head spring (5) is clamped at the right end of the pick cylinder (1).

3. The noise reduction and silencing air pick according to claim 1, wherein: the outside of amortization cover (6) right-hand member has seted up outer draw-in groove (63), the internal connection of sound-proof housing (9) left end has interior clamping ring two (92), the outside at outer draw-in groove (63) of interior clamping ring two (92) joint.

4. The noise reduction and silencing air pick according to claim 1, wherein: the left end of the pick cylinder (1) is fixedly sleeved with a connecting sleeve (8), the inner side of the left end of the silencing cover (6) is connected with an inner clamping ring I (64), and the inner clamping ring I (64) is clamped outside the connecting sleeve (8).

5. The noise reduction and silencing air pick according to claim 1, wherein: small holes (71) are formed in the silencing cotton (7), and the small holes (71) are communicated with each other.

6. The noise reduction and silencing air pick according to claim 1, wherein: the outer silencing bowl (62) is of a bottomless bowl-shaped structure, the outer silencing bowls (62) are distributed at equal intervals, and the outer silencing bowl (62) is located between the exhaust hole (3) and the air outlet (61).

7. The noise reduction and silencing air pick according to claim 1, wherein: the pickaxe cylinder is characterized in that an inner noise reduction bowl (11) is connected to the outer part of the pickaxe cylinder (1), the inner noise reduction bowls (11) are distributed at equal intervals, and the inner noise reduction bowls (11) are located at one side, far away from the exhaust hole (3), of the outer noise reduction bowl (62).