CN212776223U

CN212776223U - Automatic change muffler shell sealing device

Info

Publication number: CN212776223U
Application number: CN201922185749.9U
Authority: CN
Inventors: 李小兵
Original assignee: Longquan Aoxiang Automobile Air-Conditioning Ltd
Current assignee: Longquan Aoxiang Automobile Air-Conditioning Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2021-03-23
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an automatic muffler shell sealing device, which belongs to the technical field of mufflers and comprises a shell and a through pipe, wherein the upper end of the shell is respectively provided with an air inlet and an air outlet, the interior of the shell is chiseled with a placing groove, the inner side wall of the placing groove is fixedly connected with a supporting plate, one end of the supporting plate far away from the inner wall of the placing groove is fixedly connected with the through pipe, the through pipe is positioned in the shell, a connecting block is fixedly connected between the outer end of the through pipe and the inner wall of the shell, the upper end of the through pipe is fixedly connected with a first annular sealing gasket, the upper end of the first annular sealing gasket is provided with a first connecting pipe, the first connecting pipe is inserted into the air outlet, the air inlet is inserted with a second connecting pipe, the outer sides of the first connecting pipe and the second connecting pipe are respectively sleeved, the sealing structure can improve the sealing performance of the joint and simultaneously maintain the stability of the air inlet and the air outlet.

Description

Automatic change muffler shell sealing device

Technical Field

The utility model relates to a muffler technical field, more specifically say, relate to automatic muffler shell sealing device.

Background

In the sealing device, which is a component or a combination of components for preventing fluid or solid particles from leaking from adjacent joint surfaces or preventing external impurities such as dust, moisture and the like from invading into the interior of machine equipment, in the rapidly developing modern industry, the use environment of the mechanical sealing element is undergoing deep changes, and the requirements on the working conditions are more severe. The operating conditions are developing in the direction of high speed, high pressure, low temperature, high vacuum, large size, micro size, etc. Taking petrochemical engineering as an example, the development direction of petrochemical pump is large-scale, speed-regulating, electromechanical integration and complete pump product. Dong Cheng sealing member tells you standardization, serialization and universalization, multiple varieties, wide performance, long service life and high reliability. The sealing for the mechanical pump is developed towards large-scale and specialized directions, and particularly, the sealing technology and the product development are fast, wherein the sealing technology is suitable for high-pressure and speed-regulating turbines, high-temperature, low-temperature and ultra-low-temperature pumps, speed-regulating pumps, corrosion-resistant pumps, pumps for conveying viscous media and pumps with solid particle media.

The traditional sealing device has the problems of air leakage, falling off and the like at the joint due to the vibration factors of the environment under the conditions of temperature change, oily sewage, various acid and alkali and other liquids

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an automatic muffler shell body sealing device, it can realize improving when to the junction leakproofness, keeps the stability of air inlet and gas outlet department.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

Automatic change muffler shell sealing device, including casing and siphunculus, the upper end of casing is provided with air inlet and gas outlet, its characterized in that respectively: a placing groove is dug in the shell, a supporting plate is fixedly connected on the inner side wall of the placing groove, a through pipe is fixedly connected with one end of the supporting plate far away from the inner wall of the placing groove, a connecting block is fixed between the upper end of the through pipe and the upper end of the inner side wall of the shell, the upper end of the through pipe is fixedly connected with a first annular sealing gasket, the upper end of the first annular sealing gasket is provided with a first connecting pipe, the first connecting pipe is inserted in the air outlet, the second connecting pipe is inserted in the air inlet, matched fixed shells are sleeved on the outer sides of the first connecting pipe and the second connecting pipe, a pair of positioning holes are chiseled at the upper end of each fixed shell, and the locating hole matches with the reference column, the upper end fixedly connected with of casing has a pair of reference column of a pair of symmetric distribution, and it can realize keeping the stability of air inlet and gas outlet department when improving to the junction leakproofness.

Further, the reference column surface is dug there is the external screw thread, threaded connection has with external screw thread assorted nut on the reference column, and the gas outlet of siphunculus is aimed at to effectual first connecting pipe of messenger, and is better sealed to the junction.

Furthermore, the surface of the supporting plate is provided with a through hole, and the through pipe is inserted into the through hole, so that gas enters the inside of the shell and then enters the inside of the through pipe, and wind noise is reduced.

Further, first filter screen is installed to the upper end of siphunculus, and the gas outlet phase-match of first filter screen and siphunculus, and is effectual to the impurity filtration in the gas.

Further, fixedly connected with stopper on the upper end inside wall of siphunculus, and the stopper is provided with a plurality ofly, can steadily support the first filter screen of upper end, and first filter screen does not drop to the inside of siphunculus.

Furthermore, the top end of the shell is fixedly connected with an annular cushion pad, and when the annular cushion pad is fixed with the fixed shell, pressure is reduced on the shell through the annular cushion pad.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize improving when to junction leakproofness, keeps the stability of air inlet and gas outlet department.

(2) The outer surface of the positioning column is provided with an external thread, the positioning column is connected with a nut matched with the external thread in a threaded manner, the first connecting pipe is effectively aligned to the gas outlet of the through pipe, and the connecting part is better sealed.

(3) The surface of the supporting plate is provided with a through hole in a chiseling mode, the through pipe is inserted into the through hole, gas enters the inside of the shell and then enters the inside of the through pipe, and wind noise is reduced.

(4) First filter screen is installed to the upper end of siphunculus, and the gas outlet phase-match of first filter screen and siphunculus, and is effectual to the impurity filtration in the gas.

(5) Fixedly connected with stopper on the upper end inside wall of siphunculus, and the stopper is provided with a plurality ofly, can steadily support the first filter screen of upper end, and first filter screen does not drop to the inside of siphunculus.

(6) The top end of the shell is fixedly connected with an annular cushion pad, and when the annular cushion pad is fixed with the fixed shell, the pressure of the annular cushion pad on the shell is reduced.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

The reference numbers in the figures illustrate:

the filter comprises a shell body 1, a through pipe 2, a supporting plate 3, a first filter screen 4, a fixed shell 5, a nut 6, a positioning column 7, an annular cushion 8, a first connecting pipe 9, a first annular sealing gasket 10, a first annular sealing gasket 11, a second connecting pipe 12, a second sealing gasket 13, a second filter screen 14 and a limiting block 15.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an automatic muffler shell sealing device comprises a shell 1 and a through pipe 2, wherein an air inlet and an air outlet are respectively arranged at the upper end of the shell 1, the shell 1 and the through pipe 2 are both cylinders, a placing groove is drilled in the shell 1, a supporting plate 3 is fixedly connected to the inner side wall of the placing groove, the through pipe 2 is fixedly connected to one end of the supporting plate 3 away from the inner wall of the placing groove, a first filter screen 4 is mounted at the upper end of the through pipe 2, the first filter screen 4 is matched with the air outlet of the through pipe 2, impurities in air are effectively filtered, a limiting block 15 is fixedly connected to the inner side wall of the upper end of the through pipe 2, a plurality of limiting blocks 15 are arranged, the first filter screen 4 at the upper end can be stably supported, the first filter screen 4 does not fall into the through pipe 2, a through hole is, the gas enters the inside of the shell and then enters the inside of the through pipe to reduce wind noise, the top end of the shell 1 is fixedly connected with an annular cushion 8, when the annular cushion is fixed with a fixed shell, the pressure of the annular cushion 8 on the shell 1 is reduced, a connecting block 11 is fixed between the upper end of the through pipe 2 and the upper end of the inner side wall of the shell 1, the upper end of the through pipe 2 is fixedly connected with a first annular sealing gasket 10, the upper end of the first annular sealing gasket 10 is provided with a first connecting pipe 9, the first connecting pipe 9 is inserted into the gas outlet, the gas inlet is inserted with a second connecting pipe 12, the outer sides of the first connecting pipe 9 and the second connecting pipe 12 are both sleeved with matched fixed shells 5, the upper end of the fixed shell 5 is provided with a pair of positioning holes, the upper end of the shell 1 is fixedly connected with a pair of symmetrically distributed positioning columns 7, the positioning column 7 is connected with the nut 6 matched with the external thread in a threaded mode, the first connecting pipe is effectively aligned to the air outlet of the through pipe, the connecting position is better sealed, the sealing performance of the connecting position can be improved, and meanwhile the first connecting pipe is not prone to falling off through fixing.

When the gas purifier works, gas enters the gas inlet from the second connecting pipe 12, the left end of the second connecting pipe 12 is fixedly connected with the second filter screen 13, so that the joint of the second connecting pipe 12 and the gas inlet is airtight, the left end of the second annular sealing gasket 13 is fixedly connected with the second filter screen 14, so that gas impurities are filtered, the gas enters the placing groove in the shell 1, the inner side wall of the placing groove is fixedly connected with the supporting plate, so that the gas enters the bottom end of the through pipe 2 from the placing groove, the gas reaches the top end of the through pipe 2 through the through pipe 2, the gas passes through the first filter screen 4, so that the gas is filtered again, the upper end of the through pipe 2 is fixedly connected with the annular first annular sealing gasket 10, so that the joint of the gas outlet and the first connecting pipe 9 is airtight, the first connecting pipe 9 and the second connecting pipe 12 are both inserted into the through, the sealing structure can improve the sealing performance of the joint and simultaneously maintain the stability of the air inlet and the air outlet.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Automatic change muffler shell sealing device, including casing (1) and siphunculus (2), the upper end of casing (1) is provided with air inlet and gas outlet, its characterized in that respectively: the novel gas distribution device is characterized in that a placing groove is formed in the shell (1), a supporting plate (3) is fixedly connected to the inner side wall of the placing groove, a through pipe (2) is fixedly connected to one end, away from the inner wall of the placing groove, of the supporting plate (3), a connecting block (11) is fixed between the upper end of the through pipe (2) and the upper end of the inner side wall of the shell (1), a first annular sealing gasket (10) is fixedly connected to the upper end of the through pipe (2), a first connecting pipe (9) is arranged at the upper end of the first annular sealing gasket (10), the first connecting pipe (9) is inserted into a gas outlet, a second connecting pipe (12) is inserted into the gas inlet, matched fixing shells (5) are sleeved on the outer sides of the first connecting pipe (9) and the second connecting pipe (12), a pair of positioning holes are formed in the upper ends of the fixing, the upper end of the shell (1) is fixedly connected with a pair of positioning columns (7) which are symmetrically distributed.

2. The automated muffler shell sealing apparatus of claim 1, wherein: the outer surface of the positioning column (7) is provided with an external thread, and the positioning column (7) is connected with a nut (6) matched with the external thread in a threaded manner.

3. The automated muffler shell sealing apparatus of claim 1, wherein: the surface of the supporting plate (3) is provided with a through hole in a chiseled mode, and the through pipe (2) is inserted into the through hole.

4. The automated muffler shell sealing apparatus of claim 1, wherein: first filter screen (4) are installed to the upper end of siphunculus (2), and first filter screen (4) and the gas outlet phase-match of siphunculus (2).

5. The automated muffler shell sealing apparatus of claim 1, wherein: fixedly connected with stopper (15) on the upper end inside wall of siphunculus (2), and stopper (15) are provided with a plurality ofly.

6. The automated muffler shell sealing apparatus of claim 1, wherein: the top end of the shell (1) is fixedly connected with an annular cushion pad (8).