CN210660269U

CN210660269U - Cold end exhaust muffler upper housing

Info

Publication number: CN210660269U
Application number: CN201921441047.6U
Authority: CN
Inventors: 刘贝贝
Original assignee: Tianjin Deli Auto Parts Co Ltd
Current assignee: Tianjin Deli Auto Parts Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-02
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a cold junction exhaust muffler upper casing, which comprises an upper casing cover, wherein the outer surface wall of the upper casing cover is provided with a rotary connection sealing cover, the bottom surface wall of the sealing cover is positioned at the edge and is welded with plug boards which are evenly distributed, the outer surface wall of the upper casing cover is provided with slide holes which are matched with the plug boards, the sealing cover is connected with the upper casing cover through bolts, the outer surface wall of the upper casing cover is provided with six welding holes, in the utility model, the upper casing cover is connected with the sealing cover through the bolts in a rotary way, the bottom of the bolts is welded with the pipelines of the muffler, the side of the bottom of the sealing cover, which is close to the edge, is welded with the plug boards with hooks, the sealing cover is provided with matching holes, the upper casing cover is provided with connecting holes, after the upper casing cover is welded with the muffler pipe through the welding holes on the upper casing cover, the hooks on the plug boards are buckled in the slide holes through the rotary sealing cover, and then the external, the fixing strength is improved.

Description

Cold end exhaust muffler upper housing

Technical Field

The utility model relates to an engine muffler technical field especially relates to a casing on cold junction exhaust muffler.

Background

The engine silencer divide into drain pan, last clamshell and amortization pipeline, and both all form through the punching press preparation, and the amortization pipeline is put into between drain pan and the last clamshell, then realizes three's welding through the welding hole of seting up on drain pan and the last clamshell to be integral type structure.

At present, the muffler upper cover is simple shroud structure, and welding hole has been seted up to its surface wall, through the welded connection of welding hole realization and amortization pipeline, then this kind of mode simple structure of welded fastening muffler appears vibration crackle and deformation easily, and intensity is poor.

Therefore, the utility model provides a cold junction exhaust muffler goes up casing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the welding has low strength due to the single structure of the upper shell of the existing silencer, the upper shell of the cold-end exhaust silencer is provided.

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

the utility model provides a cold junction exhaust muffler goes up casing, includes the epitheca, the top table wall of epitheca rotates and is connected with the closing cap, the bottom of closing cap and the top table wall contact of epitheca, the bottom table wall of closing cap is located the edge welding and has evenly distributed's picture peg, the picture peg clearance runs through the top table wall of epitheca, the top table wall of epitheca offer with picture peg complex slide opening, picture peg and slide opening are at horizontal direction sliding fit, the central point of closing cap is put through bolt and epitheca and is connected, the top table wall of epitheca just is close to the periphery of closing cap and is offered the welding hole of six array distributions.

As a further description of the above technical solution:

the closing cap is discoid, and top central point puts and has seted up the mating holes, the top of going up the clamshell is seted up and is used with the mating holes cooperation connecting hole.

As a further description of the above technical solution:

the slide opening is arc-shaped, and the bottom of the inserting plate is provided with a hook head.

As a further description of the above technical solution:

both the lid and the upper shell are made of SUS 304.

As a further description of the above technical solution:

two handles are welded on the upper end face of the sealing cover.

As a further description of the above technical solution:

the number of the inserting plates is four.

As a further description of the above technical solution:

the bottom surface wall of the sealing cover is in a conical shape.

As a further description of the above technical solution:

the hook heads at the bottom of the inserting plate are in the same direction

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, it is connected with the closing cap to rotate through the bolt on the upper shell cover, the bolt bottom is used for welding with muffler pipeline, the closing cap bottom is close to the edge side welding and has the picture peg that has the eave tile, the mating holes has been seted up on the closing cap, the connecting hole has been seted up on the upper shell cover, from this after the welding hole and the hush pipe welding of upper shell cover through it, through at rotatory closing cap, make the eave tile buckle on the picture peg in the slide opening 11, then realize fixing the hush pipe through outside nut locking set bar, and the fixed strength is improved.

2. The utility model discloses in, the closing cap passes through the bolt and can dismantle the connection with last clamshell, and the closing cap passes through eave tile on the picture peg and connecting hole connection simultaneously, and closing cap and last clamshell can make alone, and the preparation is convenient.

Drawings

FIG. 1 is a schematic diagram illustrating a top view of an upper body cover and closure cap assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a bottom view of an upper body cover and a closure cap provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a section of the upper shell, the bolt and the sealing cover in cooperation according to an embodiment of the present invention.

Illustration of the drawings:

1. an upper housing shell; 11. a slide hole; 12. welding the hole; 13. connecting holes; 2. sealing the cover; 21. inserting plates; 22. a mating hole; 23. a handle; 3. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a cold junction exhaust muffler goes up casing, including last clamshell 1, the top table wall of going up clamshell 1 rotates and is connected with closing cap 2, the bottom of closing cap 2 and the top table wall contact of last clamshell 1, the bottom table wall of closing cap 2 is located the edge welding and has evenly distributed's picture peg 21, picture peg 21 clearance runs through the top table wall of going up clamshell 1, go up clamshell 1's top table wall and seted up and picture peg 21 complex slide opening 11, picture peg 21 and slide opening 11 are at horizontal direction sliding fit, the central point of closing cap 2 puts and is connected through bolt 3 and last clamshell 1, the top table wall of going up clamshell 1 and be close to the periphery of closing cap 2 and offer six array distribution's welding hole 12, welding hole 12 is used for welding with the amortization pipeline, the one end and the amortization pipeline welding of bolt 3, closing cap 2 and the laminating of last clamshell 1 strengthen the intensity of going up clamshell 1.

Specifically, as shown in fig. 1 and 3, the sealing cover 2 is disc-shaped, a matching hole 22 is formed in the center of the top of the sealing cover 2, a connecting hole 13 matched with the matching hole 22 for use is formed in the top of the upper shell cover 1, and the sealing cover 2 is connected with the upper shell cover 1 in a buckling mode after being rotated, so that the connecting thickness of the upper shell cover 1 is increased.

Specifically, as shown in fig. 2, the sliding hole 11 is an arc-shaped hole, a hook is disposed at the bottom of the inserting plate 21, and the hook is connected with the sliding hole 11 in a snap-fit manner after the inserting plate 21 rotates in the sliding hole 11.

Specifically, as shown in fig. 2, the cover 2 and the upper housing 1 are made of SUS304, which enhances the strength and stability of the product.

Specifically, as shown in fig. 1 and 3, two handles 23 are welded on the upper end surface of the cover 2, so that the cover 2 can be conveniently controlled to rotate by being held by hand.

Specifically, as shown in fig. 2, the number of the insertion plates 21 is four, and the structure is simple and convenient to manufacture.

Specifically, as shown in fig. 3, the bottom surface wall of the cover 2 is tapered, and the cover 2 has a function of increasing the locking pretension force of the bolt 3.

Specifically, as shown in fig. 3, the hook heads at the bottom of the insertion plate 21 have the same orientation, so that the insertion plate 21 can be inserted into the slide hole 11 to be rotationally locked.

The working principle is as follows: when the silencer pipeline is used, one end of a bolt 3 is welded with the outer surface wall of the silencer pipeline, the other end of the bolt 3 penetrates through a connecting hole 13 in an upper shell cover 1 and a matching hole 22 in a sealing cover 2, the sealing cover 2 is inserted into a sliding hole 11 through an inserting plate 21, then the sealing cover 2 is rotated, a hook head on the inserting plate 21 is buckled in the sliding hole, an external nut is screwed at the other end of the bolt 3, the silencer pipeline is fixedly connected with the upper shell cover 1, and then the welding is carried out through a welding hole 12 to improve the connection strength with the silencer pipeline.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cold junction exhaust muffler goes up casing, includes clamshell (1), its characterized in that, the top table wall of going up clamshell (1) rotates and is connected with closing cap (2), the bottom of closing cap (2) and the top table wall contact of last clamshell (1), the bottom table wall of closing cap (2) is located the edge welding and has evenly distributed's picture peg (21), picture peg (21) clearance runs through the top table wall of going up clamshell (1), the top table wall of going up clamshell (1) is seted up and is had picture peg (21) complex slide opening (11), picture peg (21) and slide opening (11) are in horizontal direction sliding fit, the central point of closing cap (2) puts and connects through bolt (3) and last clamshell (1), the top table wall of going up clamshell (1) and be close to the periphery of closing cap (2) and offer welding hole (12) that six array distribute.

2. A cold end exhaust muffler upper shell according to claim 1, wherein the cover (2) is disc-shaped, a fitting hole (22) is formed at the center of the top, and a connecting hole (13) used in cooperation with the fitting hole (22) is formed at the top of the upper shell cover (1).

3. A cold end exhaust muffler upper casing according to claim 2, characterized in that the slide hole (11) is arc-shaped and the bottom of the insert plate (21) is provided with a hook.

4. A cold end exhaust muffler upper casing according to claim 3, characterized in that the cover (2) and the upper shell (1) are both made of SUS 304.

5. A cold-end exhaust muffler upper casing according to claim 4, characterized in that two handles (23) are welded to the upper end face of the cover (2).

6. A cold-end exhaust muffler upper casing according to claim 2, characterized in that the number of said insert plates (21) is four.

7. A cold end exhaust muffler upper casing according to claim 2, characterized in that the bottom surface wall of the cover (2) is conical in shape.

8. A cold-end exhaust muffler upper casing according to claim 3, characterized in that the cusps at the bottom of the insert plate (21) are oriented in the same direction.