CN217503033U - High-reliability air pipe silencer - Google Patents

Abstract

The utility model provides a high-reliability air pipe silencer, which comprises a silencing pipe and connecting parts arranged at the two ends of the silencing pipe; the hush pipe comprises mesh plates, glass fiber cloth, glass wool and outer steel pipes from inside to outside in sequence, the connecting parts comprise muffler necks and muffler blind plugs, the outer steel pipes on the outmost layers of the hush pipes and the mesh plates on the innermost layers of the hush pipes are utilized to clamp the inner sides and the outer sides of the muffler blind plugs respectively, the muffler blind plugs are installed more firmly, and the connecting and sealing effects are better. The blind stifled inside of muffler is installed to the muffler neck, and the muffler neck covers in the inboard of mesh board, and the muffler neck lives the exposed marginal parcel of mesh board, and further fixed through modes such as riveting again, plays spacing effect, and the muffler neck all is wrapped up by spacing with the front and back end of mesh board, prevents effectively that the mesh board back-and-forth movement from droing, effectively strengthens the fixed effect of installation to can prevent that the mesh board edge from exposing and pricking the hand.

Description

High-reliability air pipe silencer

Technical Field

The utility model relates to an tuber pipe accessory especially relates to an tuber pipe muffler of high reliability.

Background

Residential fresh air systems, building air conditioners and ventilation projects are currently and gradually applied to office buildings and residential buildings, new air conditioners, new fans and fresh air systems, or air conditioners and ventilation systems and dust removal and waste gas treatment systems in industrial application, and air pipes are indispensable parts. The air pipe is a pipeline system for air conveying and distribution, and in the use process, a silencer is generally required to be additionally arranged on the air pipe for meeting the environmental requirements of residence, work or industrial production, so that the noise in the use process of the air pipe is reduced. Tuber pipe silencer comprises pipe shaft and connecting portion, the pipe shaft is by interior and outer including the mesh board, glass silk cloth, glass silk cotton and outmost steel sheet, the pipe shaft both ends are connected on the tuber pipe through connecting portion respectively, present connecting portion use punching press branch as the neck material usually, the mesh board of the most inboard is pressed on the neck material, the tip that leads to the mesh board exposes, not only prick the hand easily and scrape brokenly, it is pleasing to the eye, still connect the not firm condition such as take place the pine to take off easily, influence the result of use and the life of tuber pipe silencer, consequently, need a more reliable tuber pipe silencer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the structure of air pipe silencer in the prior art is coarse, resulting in the mesh plate edge to expose to prick the hand and connect not jail, and the air pipe silencer of a high reliability that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-reliability air pipe silencer comprises a silencing pipe and connecting parts arranged at two ends of the silencing pipe; the utility model discloses a silencer, including muffler neck, muffler, silencer neck cover parcel, silencer neck installation is fixed, silencer blind blocks including outer loop side and inner ring side, the outer loop side is located the inboard of outer steel pipe, the inner ring side is located the outside of muffler neck and silencer blind block, outer steel pipe and the mesh plate centre gripping parcel is fixed, the silencer neck installation is fixed in the silencer blind blocks in and with the silencer pipe is coaxial, the bottom of muffler neck is located the inboard of mesh plate, the bottom cover parcel of muffler neck the edge of mesh plate and with the mesh plate overlap joint is fixed.

Preferably, the bottom end of the muffler neck is punched, and is bent inwards to wrap and tightly buckle the edge of the mesh plate.

Preferably, the length of the bottom end punching of muffler neck and with the mesh plate overlap joint is at least 15 millimeters.

Preferably, the muffler neck is riveted with the lap joint of the mesh plate.

Preferably, the muffler neck is connected with the blind plug of the muffler by a circle of sealant.

Preferably, a circle of sealing ring is arranged on the side surface of the outer ring of the blind plug of the silencer, and the side surface of the outer ring is hermetically connected with the outer steel pipe through the sealing ring.

Preferably, the outer steel pipe is a spiral pipe made of a stainless steel plate or a galvanized steel plate.

Compared with the prior art, the utility model discloses a tuber pipe muffler of high reliability makes the improvement to the connection structure between muffler pipe and the connector, with the blind stifled design of muffler annular structure, utilize the outermost outer steel pipe of muffler pipe and the mesh board of muffler pipe inlayer centre gripping parcel respectively and live the blind stifled inside and outside both sides of muffler, carry on spacingly blind stifled the muffler, further fix through modes such as riveting again, make blind stifled installation of muffler more firm, its connection and sealed effect are better. The blind stifled inside of muffler is installed to the muffler neck, and the muffler neck covers in the inboard of mesh board, and the muffler neck lives the exposed marginal parcel of mesh board, and further fixed through modes such as riveting again, plays spacing effect, and the muffler neck all is wrapped up by spacing with the front and back end of mesh board, prevents effectively that the mesh board back-and-forth movement from droing, effectively strengthens the fixed effect of installation to can prevent that the mesh board edge from exposing and pricking the hand.

The utility model discloses a muffler, connection structure is reasonable compacter between hush pipe and the connector more, and the muffler end cap is spacing fixed by the outer steel pipe and the mesh board centre gripping of connecting pipe, and the mesh board is wrapped up by the muffler neck again spacingly, effectively improves the reliability of connecting, prolongs the life of tuber pipe to the junction is pleasing to the eye safe, and low in production cost is applicable to batch production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a highly reliable duct silencer;

FIG. 2 is a schematic diagram of a disassembled structure of a high reliability air duct silencer;

fig. 3 is a schematic sectional view showing the structure of the connecting portion installed in the silencer duct.

Detailed Description

In order to further understand the objects, structures, features, and functions of the present invention, the following embodiments are described in detail.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, a high-reliability air duct silencer includes a silencing pipe 1 and connection parts 2 installed at two ends of the silencing pipe 1; muffler pipe 1 includes mesh plate 11 from inside to outside in proper order, glass silk cloth 12, glass wool 13 and outer steel pipe 14, connecting portion 2 includes muffler neck 21 and muffler blind plug 22, muffler blind plug 22 is the loop configuration, muffler blind plug 22 includes outer loop side 221 and inner ring side 222, outer loop side 221 is located outer steel pipe 14's inboard, inner ring side 222 is located the outside of mesh plate 11, muffler blind plug 22 is fixed by outer steel pipe 14 and mesh plate 11 centre gripping parcel promptly, muffler neck 21 installation is fixed in muffler blind plug 22 and coaxial with muffler pipe 1, the bottom of muffler neck 21 is located the inboard of mesh plate 11, the bottom of muffler neck 21 covers the edge of parcel mesh plate 11 and is fixed with mesh plate 11 overlap joint.

The utility model discloses connection structure between muffler pipe 1 and connecting portion 2 improves, set up special blind stifled 22 of muffler, and set up the circularity, the blind both ends port at muffler pipe 1 is installed to blind stifled 22 gomphosis of muffler, the outer loop side 221 and the inner ring side 222 of blind stifled 22 of muffler are lived to the outer steel pipe 14 of the outmost outer of muffler pipe 1 and the mesh board 11 of the most inlayer of muffler pipe 1 centre gripping parcel respectively, and can assist with mode fixed connection such as rivet, blind 22 gomphosis of muffler is fixed at muffler pipe 1 both ends and is sealed with both ends port, it is connected not hard up before blind stifled 22 of muffler and muffler pipe 1 and drops even to prevent in the use. Silencer neck 21 installs in the inside of blind stifled 22 of silencer, silencer neck 21 pastes mutually and can connect fixedly through modes such as sealing glue and rivet with the inner ring side 222 of blind stifled 22 of silencer, silencer neck 21 is located the one end extension of hush pipe 1 and covers on mesh board 11 and overlap joint with mesh board 11, mesh board 11's edge is wrapped up by the bottom cover of silencer neck 21, can not expose outside, can effectively avoid mesh board 11 edge to scrape hand and unattractive's problem easily. In addition, the both ends edge of mesh board 11 is all wrapped up spacingly by muffler neck 21, and the reliability of consequently connecting is higher, can effectively avoid mesh board 11 not hard up problem that drops even.

In an embodiment, the bottom end of muffler neck 21 is stamped, and incurve parcel and lock tightly are at the edge of mesh board 11 for be connected more firmly between muffler neck 21 and the mesh board 11, and the bottom end edge that muffler neck 21 left can not evaginate and scrape the hand, and more pleasing to the eye. More preferably, the length that the punching press of the bottom of muffler neck 21 and mesh plate 11 overlap joint is at least 15 millimeters, guarantees the overlap joint fastness between muffler neck 21 and the mesh plate 11, prevents that mesh plate 11 vibrations from deviating from the below of muffler neck 21. The muffler neck 21 is riveted with the lap joint of the mesh plate 11 to play a further role in fixing.

In one embodiment, the joint of the muffler neck 21 and the muffler blind plug 22 is connected by a circle of sealant, so that the connection reliability and the sealing performance are enhanced, and the use effect of the air pipe muffler is ensured.

In one embodiment, the outer ring side surface 221 of the blind plug 22 of the muffler is provided with a ring of sealing ring 223, and the outer ring side surface 221 and the outer steel pipe 14 are hermetically connected through the sealing ring 223, so that the blind plug 22 of the muffler and the muffler pipe 1 are connected more firmly and reliably.

Preferably, the outer steel pipe 14 is a spiral pipe made of stainless steel or galvanized steel, which increases the service life and reduces leakage at the joint of the pipe tips.

To sum up, the utility model discloses a to the improvement of the connecting portion of tuber pipe muffler and hush pipe, make its interlinkage structure reasonable compacter more, the connection effect is inseparabler reliable to effectively solved the marginal exposed market of mesh board and can prick or rip the problem of operating personnel skin, whole device outward appearance is more pleasing to the eye.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims (7)

1. The utility model provides a tuber pipe muffler of high reliability which characterized in that: the silencer comprises a silencing pipe and connecting parts arranged at two ends of the silencing pipe; the utility model discloses a silencer, including muffler neck, muffler neck, muffler blind plug, outer steel pipe, muffler neck, muffler pipe, wire cloth, glass wool and outer steel pipe, connecting portion include muffler neck and muffler blind plug, muffler blind plug is the loop configuration, muffler blind plug includes outer loop side and inner ring side, the outer loop side is located the inboard of outer steel pipe, the inner ring side is located the outside of mesh plate, promptly muffler blind plug quilt outer steel pipe and mesh plate centre gripping parcel is fixed, muffler neck installation is fixed in muffler blind plug and with the muffler pipe is coaxial, the bottom of muffler neck is located the inboard of mesh plate, the bottom cover parcel of muffler neck the edge of mesh plate and with the mesh plate overlap joint is fixed.

2. The high reliability plenum muffler of claim 1, wherein: the bottom end of the muffler neck is punched, is wrapped in an inward bending mode and is fastened on the edge of the mesh plate.

3. The high reliability plenum muffler of claim 2, wherein: the bottom punching press of muffler neck and with the mesh plate overlap joint length is 15 millimeters at least.

4. The high reliability plenum silencer of claim 3, wherein: the muffler neck with the lap joint department riveting of mesh board.

5. The high reliability plenum silencer of claim 1, wherein: and a circle of sealant is arranged at the joint of the muffler neck and the blind plug of the muffler for connection.

6. The high reliability plenum silencer of claim 1, wherein: the side surface of the outer ring of the blind plug of the silencer is provided with a circle of sealing ring, and the side surface of the outer ring is hermetically connected with the outer steel pipe through the sealing ring.

7. The high reliability plenum silencer of claim 1, wherein: the outer steel pipe is a spiral pipe made of a stainless steel plate or a galvanized steel plate.

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