CN201077065Y

CN201077065Y - Hand-held appliance exhaust gas silencing device

Info

Publication number: CN201077065Y
Application number: CNU2007201692749U
Authority: CN
Inventors: 梁颂佩
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-05
Filing date: 2007-07-05
Publication date: 2008-06-25
Anticipated expiration: 2017-07-05

Abstract

The utility model relates to a portable silencing device for tail gas from pneumatic tools, which is arranged on a pneumatic tool and comprises a gas tube and a silencer. An air inlet and an air outlet are arranged on the pneumatic tool. The gas tube is provided to connect the silencer with the pneumatic tool so that the tail gas exhausted from the pneumatic tool via the air outlet can be guided into the silencer and the tail gas can be dispersed and guided into a silencing material which is arranged on the silencer through a dispersing airflow pipeline inside the silencer. The utility model has the advantages of reducing the volume during exhaust emission, enabling the users to get rid of the interference of noise while using the pneumatic tool and improving the quality of the working environment.

Description

Hand-held tool tail gas silencing means

Technical field

The utility model relates to a kind of portable pneumatic tool, particularly relates to a kind of noise generated hand-held tool tail gas silencing means of portable pneumatic tool discharging tail gas that is used to eliminate.

Background technology

Portable pneumatic tool, as Pneumatic screw driver, pneumatic drill bit etc., it can provide high torsion output, can not have battery to damage the cost of changing as electric tool again, thereby extensively be subjected to the welcome and the employing of factory.

See also shown in Figure 1, pneumatic tool 1 utilizes the pressure differential of gas to push the work forward and 4 rotates, the afterbody of pneumatic tool 1 can be provided with an air inlet 2 and a gas outlet 3, gases at high pressure enter this pneumatic tool 1 by this air inlet 2 and push the work forward and 4 rotate, and by these gas outlet 3 discharges, and the gas of being discharged by this gas outlet 3 generally is referred to as tail gas, and tail gas is when discharging, owing to can produce appreciable noise with the air friction, the staff works in the environment that is in the tail gas noise for a long time, psychology and physiological health to the staff all have very important influence.

Because the defective that above-mentioned existing pneumatic tool exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of hand-held tool tail gas silencing means of new structure, can improve general existing pneumatic tool, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

Main purpose of the present utility model is, overcome the defective that existing pneumatic tool exists, and provide a kind of hand-held tool tail gas silencing means of new structure, technical problem to be solved is it to be eliminated reduce the noise pollution that pneumatic tool is produced when tail gas is discharged in use, thereby is suitable for practicality more.

The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of hand-held tool tail gas silencing means that the utility model proposes, be installed on the pneumatic tool, this pneumatic tool is provided with an air inlet and a gas outlet, comprise: a wireway, this wireway has one and goes out flow channel, this wireway engages with this pneumatic tool, and this goes out flow channel and is connected with this gas outlet; One muffler, this muffler engages with this wireway, this muffler has an accommodation space and and disperses airflow line, this accommodation space is filled with a noise reduction material and is provided with the most and extraneous perforate that communicates, this dispersion airflow line has an inlet and most outlets, this inlet goes out flow channel with this and is communicated with, and this majority outlet then branch is located on the diverse location of this accommodation space.

The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.

Aforesaid hand-held tool tail gas silencing means, wherein said wireway is provided with one first air inlet pipeline, this muffler is provided with one second air inlet pipeline, and this first air inlet pipeline is communicated with this air inlet and this second air inlet pipeline, and this second air inlet pipeline has an air inlet openings.

Aforesaid hand-held tool tail gas silencing means, wherein said wireway is a cylindrical tube, this goes out flow channel is the pipe shape, and this first air inlet pipeline is located at the inside that this goes out flow channel, this muffler is an ampuliform, this dispersion airflow line is pipe shape and the axle center of being located at this muffler place, this accommodation space then be located at this dispersion airflow line arround, this second air inlet pipeline is located in this dispersion airflow line.

Aforesaid hand-held tool tail gas silencing means wherein saidly goes out to be provided with a cross rib in the flow channel and to fix this first air inlet pipeline.

Aforesaid hand-held tool tail gas silencing means is provided with a cross rib and fixes this second air inlet pipeline in the wherein said dispersion airflow line.

Aforesaid hand-held tool tail gas silencing means, wherein said air tool air inlet and gas outlet are located at this air tool tail end, and this wireway is set in this air tool tail end, and allow this first air inlet pipeline over against filling in this air inlet.

Aforesaid hand-held tool tail gas silencing means, wherein said wireway borrows the urgent element of a snap close to be fixed with this air tool tail end.

Aforesaid hand-held tool tail gas silencing means, wherein said muffler is sheathed goes into this wireway, allows this dispersion air-flow duct plug go into this and goes out flow channel, and allow this second air inlet pipeline over against engaging this first air inlet pipeline.

Aforesaid hand-held tool tail gas silencing means, wherein said muffler and this wireway borrow the urgent element of a snap close to be fixed.

The utility model compared with prior art has tangible advantage and beneficial effect.Via as can be known above, in order to achieve the above object, the utility model provides a kind of hand-held tool tail gas silencing means, be installed on the pneumatic tool, this pneumatic tool is provided with an air inlet and a gas outlet, it comprises a wireway and a muffler, this wireway has one and goes out flow channel, this wireway engages with this pneumatic tool, and this goes out flow channel and is connected with this gas outlet, and this muffler engages with this wireway, this muffler has an accommodation space and and disperses airflow line, and this accommodation space is filled with the noise reduction material of a tool optimum density and is provided with the most and extraneous perforate that communicates, and this dispersion airflow line has an inlet and most outlets, this inlet goes out flow channel with this and is communicated with, and this majority outlet then branch is located on the diverse location of this accommodation space.

By technique scheme, the utility model hand-held tool tail gas silencing means has following advantage at least:

The tail gas that this pneumatic tool is discharged in use, can go out the guiding of flow channel, this dispersion airflow line via this, allow tail gas enter this accommodation space, reducing by this noise reduction material, to eliminate the noise that tail gas was produced, thereby the utility model is compared known techniques and had following advantage at least: 1. noise is less.2. can promote the working environment quality, reduce interference context.3. promote staff's psychology and physiological health.

In sum, the utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on apparatus structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing pneumatic tool has the outstanding effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is known front elevational schematic.

Fig. 2-1 is the partial sectional view of facing of the present utility model.

Fig. 2-2 is the transverse sectional view at A-A place among the utility model Fig. 2-1.

Fig. 2-3 is the transverse sectional view at B-B place among the utility model Fig. 2-1.

The specific embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of hand-held tool tail gas silencing means, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also Fig. 2-1, Fig. 2-2 with shown in Fig. 2-3, the utility model is installed on the pneumatic tool 10, this pneumatic tool 10 is provided with an air inlet 11 and a gas outlet 12, it comprises a wireway 20 and a muffler 30, this wireway 20 is a cylindrical tube, and this wireway 20 has one and go out flow channel 21, and this goes out flow channel 21 and is the pipe shape, this wireway 20 engages with this pneumatic tool 10, and allows this go out flow channel 21 to be connected with this gas outlet 12.

This muffler 30 engages with this wireway 20, this muffler 30 has an accommodation space 31 and and disperses airflow line 32, this muffler 30 is an ampuliform, this dispersion airflow line 32 is pipe shape and the place, axle center that is located at this muffler 30, this accommodation space 31 then be located at this dispersion airflow line 32 arround, this accommodation space 31 is filled with the noise reduction material 40 of a tool optimum density and is provided with the most and extraneous perforate 33 that communicates again, this noise reduction material 40 can be porous materials such as sponge or foam, with tool good sound absorption effect, this dispersion airflow line 32 has an inlet 321 and most outlets 322, this inlet 321 goes out flow channel 21 with this and is communicated with, and 322 branches of this majority outlet are located on the diverse location of this accommodation space 31.

This wireway 20 is provided with one first air inlet pipeline 22 again, and this first air inlet pipeline 22 is located at the inside that this goes out flow channel 21, and this goes out to be provided with a cross rib 23 in the flow channel 21 and fixes this first air inlet pipeline 22.Also be provided with one second air inlet pipeline 34 on this muffler 30, this second air inlet pipeline 34 is located in this dispersion airflow line 32, and be provided with a cross rib 35 in this dispersion airflow line 32 and fix this second air inlet pipeline 34, this first air inlet pipeline 22 is communicated with this air inlet 11 and this second air inlet pipeline 34 again, and this second air inlet pipeline 34 has an air inlet openings 36.

The air inlet 11 of other this pneumatic tool 10 of the utility model and the tail end 13 that this pneumatic tool 10 can be located in gas outlet 12, and this wireway 20 is set in the tail end 13 of this pneumatic tool 10, and allow this first air inlet pipeline 22 over against filling in this air inlet 11, and this wireway 20 borrows the urgent element 50 of a snap close to be fixed with the tail end 13 of this pneumatic tool 10.This muffler 30 also can be sheathed be gone into this wireway 20 again, go out flow channel 21 to allow this dispersion airflow line 32 fill in this, and allow this second air inlet pipeline 34 over against this first air inlet pipeline 22 of joint, and allow this muffler 30 and this wireway 20 borrow the urgent element 51 of a snap close to be fixed.

As mentioned above, the tail gas that the utility model pneumatic tool 10 is produced in use can go out the guiding of flow channel 21 and this dispersion airflow line 32 via this, allow tail gas enter this accommodation space 31, and import in this noise reduction material 40, thereby can reduce pneumatic tool 10 level of noise that tail gas produced in use, therefore the utility model can allow the user work under the environment of low noise, promote craftmanship, satisfy user's demand, noise reduction material of the present utility model again can use the sponge or the foam of regeneration, thereby very environmental protection and can reduce to minimum to the influence of environment.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. a hand-held tool tail gas silencing means is installed on the pneumatic tool (10), and this pneumatic tool (10) is provided with an air inlet (11) and a gas outlet (12), it is characterized in that comprising:

One wireway (20), this wireway (20) have one and go out flow channel (21), and this wireway (20) engages with this pneumatic tool (10), and this goes out flow channel (21) and is connected with this gas outlet (12);

One muffler (30), this muffler (30) engages with this wireway (20), this muffler (30) has an accommodation space (31) and disperses airflow line (32) with one, this accommodation space (31) is filled with a noise reduction material (40) and is provided with the most and extraneous perforate (33) that communicates, this dispersion airflow line (32) has an inlet (321) and most outlets (322), this inlet (321) goes out flow channel (21) with this and is communicated with, and this majority outlet (322) then divides and is located on the diverse location of this accommodation space (31).

2. hand-held tool tail gas silencing means according to claim 1, it is characterized in that this wireway (20) is provided with one first air inlet pipeline (22), this muffler (30) is provided with one second air inlet pipeline (34), this first air inlet pipeline (22) is communicated with this air inlet (11) and this second air inlet pipeline (34), and this second air inlet pipeline (34) has an air inlet openings (36).

3. hand-held tool tail gas silencing means according to claim 2, it is characterized in that this wireway (20) is a cylindrical tube, this goes out flow channel (21) is the pipe shape, and this first air inlet pipeline (22) is located at the inside that this goes out flow channel (21), this muffler (30) is an ampuliform, this dispersion airflow line (32) is pipe shape and the place, axle center that is located at this muffler (30), this accommodation space (31) then be located at this dispersion airflow line (32) arround, this second air inlet pipeline (34) is located in this dispersion airflow line (32).

4. hand-held tool tail gas silencing means according to claim 3 is characterized in that this goes out to be provided with a cross rib (23) in the flow channel (21) to fix this first air inlet pipeline (22).

5. hand-held tool tail gas silencing means according to claim 3 is characterized in that being provided with in this dispersion airflow line (32) cross rib (35) and fixes this second air inlet pipeline (34).

6. hand-held tool tail gas silencing means according to claim 3, it is characterized in that the air inlet (11) of this pneumatic tool (10) and the tail end (13) that this pneumatic tool (10) is located in gas outlet (12), this wireway (20) is set in the tail end (13) of this pneumatic tool (10), and allows this first air inlet pipeline (22) over against filling in this air inlet (11).

7. hand-held tool tail gas silencing means according to claim 6 is characterized in that this wireway (20) and the tail end (13) of this pneumatic tool (10) are fixed by means of the urgent element of a snap close (50).

8. hand-held tool tail gas silencing means according to claim 3, it is characterized in that this muffler (30) is sheathed goes into this wireway (20), allow this dispersion airflow line (32) fill in this and go out flow channel (21), and allow this second air inlet pipeline (34) over against engaging this first air inlet pipeline (22).

9. hand-held tool tail gas silencing means according to claim 8 is characterized in that this muffler (30) and this wireway (20) are fixed by means of the urgent element of a snap close (51).