CN201132894Y

CN201132894Y - Bumper combinatorial structures

Info

Publication number: CN201132894Y
Application number: CNU2007201996250U
Authority: CN
Inventors: 吴瑞椅
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-23
Filing date: 2007-11-23
Publication date: 2008-10-15
Anticipated expiration: 2017-11-23

Abstract

The utility model relates to a silencer combined structure, which is used on a thrum and fabric clipping conveying pipeline of a sewing machine. The silencer is combined by an outside cylinder, a damping material object and an air inlet-outlet pipe, wherein, the outside cylinder is provided with a first cylinder opening at one end and a second cylinder opening at the other end; the damping material object is arranged at the inner circumference of the outside cylinder; the air inlet-outlet pipe is provided with a first pipe part at one end, a middle pipe part and a second pipe part at the other end. The wall surface of the middle pipe part is provided with a plurality of ventholes distributed at intervals; the second cylinder opening of the outside cylinder and the damping material object run through the first pipe part of the air inlet-outlet pipe in a movable way so as to pass out to be blocked and positioned at the first cylinder opening, and the second pipe part of the air inlet-outlet pipe exposes as well as is blocked and positioned at the second cylinder opening of the outside cylinder. The air suction noise of the fabric clipping conveying pipeline can be effectively reduced, each component has easy manufacture and processing, convenient assembly as well as fast disassembly, replacement and cleaning.

Description

The muffler combining structure

Technical field

The utility model relates to a kind of muffler combining structure, refers to a kind of muffler combining structure that Sewing machines the end of a thread cloth bits feeder system uses of specializing in especially.

Background technology

General Sewing machines and copy kind equipment such as gram car and must dispose the end of a thread cloth bits feeder system is copied the end of a thread cloth bits that produced in the gram cutting edge trimming process with automatic delivery sewing, and is sent in surge drum or the ventilative filter bag.

Known the end of a thread cloth bits feeder system is to utilize the compressed air control mode, by the carrier pipe in the end of a thread cloth bits delivery pipeline and the air suction of delivery adapter, send sewing to copy the end of a thread cloth bits that produced in the gram cutting edge trimming process with suction, send into again in surge drum or the ventilative filter bag, avoid the end of a thread cloth bits and batting to fly away everywhere.

But the air suction of this end of a thread cloth bits delivery pipeline can produce serious noise, therefore must install muffler additional, to reduce air suction noise.But existing muffler cost height, relevant formation part is made the assembling difficulty, and dismounting and change cleaning rapidly, so is necessary further to improve innovation.

Summary of the invention

The purpose of this utility model promptly is to provide a kind of muffler combining structure, can effectively reduce the air suction noise of the end of a thread cloth bits delivery pipeline, and respectively constitutes part and make processing easily, more convenient certain assembling, and dismounting and change cleaning rapidly.

For reaching above-mentioned purpose, the utility model provides a kind of muffler combining structure, is used for the end of a thread cloth bits delivery pipeline of Sewing machines, and this muffler includes: a urceolus has an end first nozzle and the other end second nozzle; One sound-absorbing material object is arranged at the inner peripheral of this urceolus; One turnover tracheae has an end first pipe portion, an intervalve portion and the other end second pipe portion, and this intervalve portion wall is provided with a plurality of passages spaced apart; Run through second nozzle and the sound-absorbing material object of this urceolus by the first pipe portion activity of this turnover tracheae, be placed in this first nozzle, make the second pipe portion of this turnover tracheae expose second nozzle that is placed in this urceolus to pass.In preferred embodiment, this turnover tracheae is made as with shape and the two halves pipe that connects, and each is provided with an ear to this two halves pipe relatively in the second pipe portion both sides, with and fix with a bolt and a relative nut interlocking respectively to each other.

Each is provided with above-mentioned two halves pipe both sides relatively and connects bar in the lump.

The second pipe portion, one end of above-mentioned turnover tracheae is provided with a sleeve joint hole and interior retaining edge thereof, is positioned this end of a thread cloth bits delivery pipeline with socket.

In another preferred embodiment, this urceolus comprises that one has first barrel shell of this first nozzle and opposite end opening thereof, and second barrel shell with this second nozzle and opposite end socket thereof, keep off rank in the socket of this second barrel shell is provided with, locate the opposite end opening of this first barrel shell with socket.

First nozzle of above-mentioned urceolus, the second nozzle relative engagement should pass in and out the first pipe portion, the second pipe portion of tracheae, and this first nozzle and the first pipe portion diameter are less than this second nozzle and the second pipe portion.

The first pipe portion of above-mentioned turnover tracheae and the second pipe portion outer peripheral edges respectively are provided with a stop lug, with first nozzle, second nozzle of relative this urceolus of retaining system.Again, the first pipe portion of this turnover tracheae and the second pipe portion outer peripheral edges respectively are provided with a clamping flange, with first nozzle, second nozzle of relative this urceolus of clamping.

By said structure, muffler of the present utility model has been realized following technique effect: reduced air suction noise; Solved existing muffler cost height, relevant constituted part and make assembling difficulty and the dismounting and change problem of clearing up rapidly.

Description of drawings

Fig. 1 is used in the schematic diagram of the end of a thread cloth bits delivery pipeline for the utility model preferred embodiment muffler;

Fig. 2 is the stereogram of Fig. 1 muffler;

Fig. 3 is the cutaway view of Fig. 2 muffler;

Fig. 4 is the sectional drawing of Fig. 3 muffler;

Fig. 5 is the three-dimensional exploded view of Fig. 3 urceolus and sound-absorbing material object;

Fig. 6 passes in and out the stereogram of tracheae for Fig. 3;

Fig. 7 passes in and out the three-dimensional exploded view of tracheae for Fig. 6; And

Fig. 8 is the utility model preferred embodiment muffler user mode figure.

[main element symbol description]

10 urceolus, 11 first nozzles, 12 second nozzles

13 first barrel shells, 14 second barrel shells, 15 openings

Retaining rank in 16 sockets 17

20 sound-absorbing material objects

32 second pipe portions of 30 turnover tracheaes, 31 first pipe portions

33 intervalve portions, 34 passages, 35 semicircle pipes

38 ears of 36 semicircle pipes, 37 ears

39 bolts

311,321 stop lug

312,322 clamping flanges

Retaining edge in 323 sleeve joint holes 324

351,361 and connect bar

371,381 through holes

391 nuts

40 the end of a thread cloth bits delivery pipeline

43 joint chairs are taken in 42 delivery of 41 carrier pipes

44 ventilative filter bag 45 tube banks

The specific embodiment

Relevant the utility model is for achieving the above object, and technological means that is adopted and effect thereof enumerate possible embodiments now, and conjunction with figs. are described as follows:

At first, see also Fig. 1, Fig. 2, Fig. 3 and Fig. 8, the utility model muffler mainly is applicable to Sewing machines and copies the end of a thread cloth bits feeder system that restrains kind equipments such as car, muffler is to be combined by a urceolus 10, a sound-absorbing material object 20 and a turnover tracheae 30 as shown in the figure, to be connected on the end of a thread cloth bits delivery pipeline 40.In preferred embodiment, muffler and turnover tracheae 30 thereof are connected between carrier pipe 41 and the delivery adapter 42, utilize the air suction to order about the end of a thread cloth bits via carrier pipe 41, muffler, delivery adapter 42 and joint chair 43, to send in the ventilative filter bag 44.

In in Fig. 2 to preferred embodiment shown in Figure 6, the urceolus 10 of muffler and turnover tracheae 30 preferably adopt plastic material, and sound-absorbing material object 20 can adopt class sound-absorbing materials such as ring-type foam.Hollow form urceolus 10 has an end first nozzle 11 and the other end second nozzle 12 as shown in the figure, this sound-absorbing material object 20 is arranged at the inner peripheral of this urceolus 10.This turnover tracheae 30 has an end first pipe portion 31, an intervalve portion 33 and the other end second pipe portion 32, and these intervalve portion 33 walls are provided with a plurality of passage spaced apart 34 structures.Run through second nozzle 12 and the sound-absorbing material object 20 of this urceolus 10 by the first pipe portion, 31 activities of this turnover tracheae 30, be placed in this first nozzle 11, make the second pipe portion 32 of this turnover tracheae 30 expose second nozzle 12 that is placed in this urceolus 10 to pass.Thereby can effectively reduce the air suction noise of the end of a thread cloth bits delivery process, and respectively constitute part and make processing easily, convenient assembling really, and dismounting and change cleaning rapidly, realistic use needs.

The urceolus 10 of the utility model muffler can adopt combined type or one ejection formation, in preferred embodiment, this urceolus 10 comprises that one has first barrel shell 13 of this first nozzle 11 and opposite end opening 15 thereof, and second barrel shell 14 with this second nozzle 12 and opposite end socket 16 thereof, retaining rank 17 in the socket 16 of this second barrel shell 14 is provided with, locate the opposite end opening 15 of this first barrel shell 13 with socket, make this urceolus 10 can make up dismounting rapidly really, and ease of assembly is provided with sound-absorbing material object 20.

Especially first nozzle 11 of this urceolus 10, second nozzle, 12 relative engagement should pass in and out the first pipe portion 31, the second pipe portion 32 of tracheae 30, this first nozzle 11 and the first pipe portion, 31 diameters are less than this second nozzle 12 and the second pipe portion 32, to constitute movable grafting closed state.

In preferred embodiment, muffler respectively is provided with a stop lug 311,321 in the first pipe portion 31 and the second pipe portion, 32 outer peripheral edges of this turnover tracheae 30, with first nozzle 11, second nozzle 12 of this urceolus 10 of relative retaining system.Further the first pipe portion 31 and the second pipe portion, 32 outer peripheral edges in this turnover tracheae 30 can respectively be provided with a clamping flange 312,322, with first nozzle 11, second nozzle 12 of this urceolus 10 of relative clamping, avoid loosening easily between the two and break away from.

Can be made as with shape and the two

halves pipe

35,36 that connects in the turnover tracheae 30 of Fig. 4, Figure 6 and Figure 7, inner with cleaning for convenience detach, and mold the smooth lead angle of external end edges in the passage 34 easily.Each is provided with an

ear

37,38 and through hole 371,381 thereof to this two

halves pipe

35,36 relatively in the second pipe portion, 32 both sides, with and to each other respectively with a bolt 39 and a relative nut 391 interlockings, make this two

halves pipe

35,36 and connect combination, but and its both sides each be provided with relatively and connect bar 351,361 in the lump, for really and close the location.

In the user mode shown in the 1st and 8 figure, the first pipe portion 31 that muffler will pass in and out tracheae 30 is plugged in soft carrier pipe 41 outlets of this end of a thread cloth bits delivery pipeline 40, and adopts tube bank 45 to be located.And the second pipe portion, 32 1 ends of this turnover tracheae 30 are provided with a sleeve joint hole 323 and interior retaining edge 324 thereof, and 42 inlets are taken in the delivery that is positioned this end of a thread cloth bits delivery pipeline 40 with socket, and fitted bolt 39 interlocking clampings.

The utility model muffler can effectively reduce the air suction noise of the end of a thread cloth bits delivery pipeline, and respectively constitutes part and make processing easily, convenient assembling really, and dismounting and change cleaning rapidly, and realistic use needs, and the whence proposes novel patent application in accordance with the law.

Above illustrated embodiment is only used the utility model for convenience of description, and be not in a limitative way, not under the situation of the utility model spirit category, the those skilled in the art various simple and easy variation and the modification that can make, all must include in the scope of appending claims.

Claims

1, a kind of muffler combining structure, the end of a thread cloth that is used for Sewing machines is considered the delivery pipeline to be worth doing; It is characterized in that this muffler includes:

One urceolus has an end first nozzle and the other end second nozzle;

One sound-absorbing material object is arranged at the inner peripheral of this urceolus;

One turnover tracheae has an end first pipe portion, an intervalve portion and the other end second pipe portion, and this intervalve portion wall is provided with a plurality of passages spaced apart; Run through second nozzle and the sound-absorbing material object of this urceolus by the first pipe portion activity of this turnover tracheae, be placed in this first nozzle, make the second pipe portion of this turnover tracheae expose second nozzle that is placed in this urceolus to pass.

2, according to the described muffler combining structure of claim 1, it is characterized in that, this turnover tracheae is made as with shape and the two halves pipe that connects, and each is provided with an ear to this two halves pipe relatively in the second pipe portion both sides, with and fix with a bolt and a relative nut interlocking respectively to each other.

According to the described muffler combining structure of claim 2, it is characterized in that 3, each is provided with these two halves pipe both sides relatively and connects bar in the lump.

According to the described muffler combining structure of claim 2, it is characterized in that 4, the second pipe portion, one end of this turnover tracheae is provided with a sleeve joint hole and interior retaining edge thereof, be positioned this end of a thread cloth bits delivery pipeline with socket.

5, according to claim 1 or 2 described muffler combining structures, it is characterized in that, this urceolus comprises that one has first barrel shell of this first nozzle and opposite end opening thereof, and second barrel shell with this second nozzle and opposite end socket thereof, keep off rank in the socket of this second barrel shell is provided with, locate the opposite end opening of this first barrel shell with socket.

6, according to the described muffler combining structure of claim 5, it is characterized in that, first nozzle of this urceolus, the second nozzle relative engagement should pass in and out the first pipe portion, the second pipe portion of tracheae, and this first nozzle and the first pipe portion diameter are less than this second nozzle and the second pipe portion.

According to the described muffler combining structure of claim 6, it is characterized in that 7, the first pipe portion of this turnover tracheae and the second pipe portion outer peripheral edges respectively are provided with a stop lug, with first nozzle, second nozzle of relative this urceolus of retaining system.

According to the described muffler combining structure of claim 7, it is characterized in that 8, the first pipe portion of this turnover tracheae and the second pipe portion outer peripheral edges respectively are provided with a clamping flange, with first nozzle, second nozzle of relative this urceolus of clamping.