CN214944525U

CN214944525U - Exhaust manifold sealing structure

Info

Publication number: CN214944525U
Application number: CN202121045756.XU
Authority: CN
Inventors: 喻洪平
Original assignee: Chongqing Wangping Technology Co ltd
Current assignee: Chongqing Wangping Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-30
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to an exhaust manifold seal structure, including left exhaust manifold, left exhaust manifold's right side is pegged graft and is had right exhaust manifold, left exhaust manifold's fixed surface installs the fixed block. This exhaust manifold seal structure, the net piece through the copper mesh material is when exhaust manifold hot gas, the net piece can take place the inflation gradually and expand, thereby with left exhaust manifold and right exhaust manifold's the opposite side contact, the packing block of aluminium mesh material is when exhaust manifold hot gas, the packing block can take place the inflation equally and expand, make gas can not discharge from left exhaust manifold and right exhaust manifold junction, insert the post through will inserting in the jack from the fixed orifices, make left exhaust manifold and right exhaust manifold butt, twist connecting bolt into screw hole and thread groove, make the post of inserting can not remove again, when having guaranteed left exhaust manifold and right exhaust manifold leakproofness, left exhaust manifold and right exhaust manifold do not directly rotate with the screw and connect.

Description

Exhaust manifold sealing structure

Technical Field

The utility model relates to an engine exhaust system seals technical field, specifically is an exhaust manifold seal structure.

Background

The exhaust manifold is connected with the cylinder body of the engine, concentrates exhaust of each cylinder and guides the exhaust into an exhaust manifold, and is provided with a branched pipeline.

The leakproofness of current exhaust manifold seal structure is poor, after long-time the use, the gap between exhaust manifold and the exhaust manifold can enlarge, leads to exhaust manifold to leak gas easily, and exhaust manifold pipe wall screw thread swivelling joint, pipe wall friction can make the screw thread smooth, connects insecurely simultaneously, and then influences exhaust manifold's leakproofness, uses inconveniently, so has proposed an exhaust manifold seal structure and has solved the problem that the aforesaid provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an exhaust manifold seal structure possesses the advantage that the leakproofness is good, long service life, has solved the problem that the leakproofness is poor, life is short.

For the purpose that realizes that above-mentioned leakproofness is good, long service life, the utility model provides a following technical scheme: the utility model provides an exhaust manifold seal structure, includes left exhaust manifold, left exhaust manifold's right side is pegged graft and is had right exhaust manifold, left exhaust manifold's fixed surface installs the fixed block, right exhaust manifold's fixed surface installs the boss, the fixed surface of boss installs founds the piece, found the inside of piece and seted up the jack, the inside of fixed block is pegged graft and is had the post of inserting of pegging graft with the jack, the inside set screw hole of inserting the post, the internal thread who founds the piece has the connecting bolt with screw hole threaded connection.

Furthermore, the right end face of the left exhaust manifold is provided with a mounting groove, a net block is inserted into the inner wall of the mounting groove, and the right exhaust manifold is inserted into the exhaust manifold through a connecting groove.

Furthermore, the shape of the net block is annular, the net block is made of a copper net, a supporting groove communicated with the connecting groove is formed in the left end face of the right exhaust manifold, and the supporting groove is connected with the net block in an inserted mode.

Furthermore, a filling block is arranged at the joint of the exhaust manifold and the right exhaust manifold and on the outer surface of the net block, and the filling block is annular.

Further, the material of filling block is the aluminium net, the quantity of fixed block, inserted post and upright piece is four, and four fixed block evenly distributed are at left exhaust manifold's surface, and there are three screw holes in the inside of every fixed block.

Furthermore, the shape of inserting the post is the quadrangular, the fixed block passes through the fixed orifices and inserts the post grafting, the left side fixed mounting who inserts the post has the dog that corresponds with the fixed orifices.

Further, a thread groove communicated with the jack is formed in the vertical block, and the thread groove is in threaded connection with the connecting bolt.

Compared with the prior art, the utility model provides an exhaust manifold seal structure possesses following beneficial effect:

the exhaust manifold sealing structure is characterized in that the connecting groove, the filling block and the net block are arranged, the net block made of a copper net material can gradually expand and swell when the exhaust manifold exhausts hot gas, so that the net block is in contact with opposite side faces of the left exhaust manifold and the right exhaust manifold and is tightly attached to enable the joint of the left exhaust manifold and the right exhaust manifold to be airtight, the filling block made of an aluminum net material can also expand and swell when the exhaust manifold exhausts hot gas, so that the filling block is abutted against the joint of the left exhaust manifold and the right exhaust manifold, so that gas cannot be exhausted from the joint of the left exhaust manifold and the right exhaust manifold, the inserting column is inserted into the inserting hole from the fixing hole through the arranging inserting column, the vertical block, the inserting hole, the threaded groove and the connecting bolt, so that the left exhaust manifold is abutted against the right exhaust manifold, the connecting bolt is screwed into the threaded hole and the threaded groove, the plug column can not move any more, the left exhaust manifold and the right exhaust manifold are not directly connected in a rotating mode through threads while the sealing performance of the left exhaust manifold and the right exhaust manifold is guaranteed, thread slipping is avoided, the sealing performance of the exhaust manifold is guaranteed, and the problems of poor sealing performance and short service life are solved.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is an enlarged view of a in the structure diagram 1 of the present invention.

In the figure: 1 left exhaust manifold, 2 right exhaust manifold, 3 fixed blocks, 4 inserted columns, 5 bosses, 6 vertical blocks, 7 filling blocks, 8 net blocks, 9 jacks, 10 threaded holes, 11 threaded grooves and 12 connecting 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an exhaust manifold sealing structure includes a left exhaust manifold 1, a right exhaust manifold 2 is inserted into a right side of the left exhaust manifold 1, a fixing block 3 is fixedly installed on an outer surface of the left exhaust manifold 1, a boss 5 is fixedly installed on an outer surface of the right exhaust manifold 2, a vertical block 6 is fixedly installed on an outer surface of the boss 5, an insertion hole 9 is formed inside the vertical block 6, an insertion post 4 inserted into the insertion hole 9 is inserted into an inner portion of the fixing block 3, a threaded hole 10 is formed inside the insertion post 4, a connecting bolt 12 is screwed into the threaded hole 10 and a threaded groove 11, so that the inserting column 4 can not move any more, the sealing performance of the left exhaust manifold 1 and the right exhaust manifold 2 is ensured, the left exhaust manifold 1 and the right exhaust manifold 2 are not directly connected in a rotating mode through threads, thread sliding is avoided, the sealing effect is enhanced, and the connecting bolt 12 in threaded connection with the threaded hole 10 is connected to the inner threads of the vertical block 6.

In this embodiment, the mounting groove has been seted up to left exhaust manifold 1's right-hand member face, the inner wall of mounting groove is pegged graft and is had net piece 8, the net piece 8 of copper mesh material is when exhaust manifold hot nature is gaseous, the expansion of net piece 8 and expand to with the opposite side contact of left exhaust manifold 1 and right exhaust manifold 2, make gas blocked in left exhaust manifold 1 and right exhaust manifold 2 by net piece 8, right exhaust manifold 2 is pegged graft with exhaust manifold 1 through the spread groove.

In this embodiment, the shape of the mesh block 8 is annular, the mesh block 8 is made of copper mesh, the left end surface of the right exhaust manifold 2 is provided with a supporting groove communicated with the connecting groove, the supporting groove is inserted into the mesh block 8, the mesh block 8 is conveniently inserted into the supporting groove, and the installation is convenient.

In this embodiment, exhaust manifold 1 and right exhaust manifold 2's junction and the surface that is located netblock 8 are provided with filling block 7, and filling block 7 of aluminium net material takes place the inflation and expands when exhaust manifold hot nature is gaseous, filling block 7 for being filled up in the connecting groove, gaseous unable process, and then having guaranteed sealed effect, filling block 7's shape is the annular.

In this embodiment, the material of filling block 7 is the aluminium net, and fixed block 3, insert post 4 and the quantity of founding piece 6 are four, and four fixed block 3 evenly distributed are at the surface of left exhaust manifold 1, and there is three screw hole 10 in the inside of every fixed block 3, and connecting bolt 12 is more tight with the screw hole 10 threaded connection on right side, exhaust manifold 1 and the 2 butt of right exhaust manifold.

In this embodiment, the shape of inserting post 4 is the quadrangular prism for insert post 4 and can not rotate, make things convenient for screw hole 10 and connecting bolt 12 threaded connection, fixed block 3 is pegged graft with inserting post 4 through the fixed orifices, inserts the left side fixed mounting of post 4 and has the dog that corresponds with the fixed orifices.

In this embodiment, the thread groove 11 that is linked together with jack 9 is seted up to the inside of founding piece 6, and thread groove 11 can fix a position connecting bolt 12, lets left exhaust manifold 1 and right exhaust manifold 2 firm in connection, and difficult not hard up has guaranteed the leakproofness, thread groove 11 and connecting bolt 12 threaded connection.

In the use of the present embodiment, when the mesh block 8 made of the copper mesh discharges hot gas from the exhaust manifold, the mesh block 8 gradually expands and swells, so as to contact the opposite sides of the left exhaust manifold 1 and the right exhaust manifold 2, further, the packing block 7 made of the aluminum mesh material expands and swells when the exhaust manifold discharges hot gas, and thus abuts against the junction of the left and right exhaust manifolds 1 and 2, so that gas cannot be discharged from the junction of the left and

right exhaust manifolds

1 and 2, the coupling bolt 12 is screwed into the threaded hole 10 and the threaded groove 11, so that the inserting column 4 can not move any more, the sealing performance of the left exhaust manifold 1 and the right exhaust manifold 2 is ensured, the left exhaust manifold 1 and the right exhaust manifold 2 are not directly connected in a rotating mode through threads, thread slipping is avoided, and the tightness of the exhaust manifolds is guaranteed.

The beneficial effects of the above embodiment are as follows: the exhaust manifold sealing structure is characterized in that a connecting groove, a filling block 7 and a net block 8 are arranged, when the exhaust manifold discharges hot gas, the net block 8 made of a copper net material is gradually expanded and expanded to be in contact with opposite side faces of a left exhaust manifold 1 and a right exhaust manifold 2 and further tightly attached to enable the joint of the left exhaust manifold 1 and the right exhaust manifold 2 to be air-tight, when the filling block 7 made of an aluminum net material discharges the hot gas, the filling block 7 is also expanded and expanded to be abutted to the joint of the left exhaust manifold 1 and the right exhaust manifold 2, so that the gas cannot be discharged from the joint of the left exhaust manifold 1 and the right exhaust manifold 2, an inserting column 4, a vertical block 6, an inserting hole 9, a threaded hole 10, a threaded groove 11 and a connecting bolt 12 are arranged, the inserting column 4 is inserted into the inserting hole 9 from the fixing hole, so that the left exhaust manifold 1 is abutted to the right exhaust manifold 2, screw into threaded hole 10 and thread groove 11 with connecting bolt 12 for insert post 4 and can not remove again, when having guaranteed left exhaust manifold 1 and right exhaust manifold 2 leakproofness, left exhaust manifold 1 and right exhaust manifold 2 are not directly connected with the screw thread rotation, have avoided the smooth silk of screw thread, have guaranteed exhaust manifold's leakproofness, have solved the poor, short problem of life of leakproofness.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An exhaust manifold sealing structure comprising a left exhaust manifold (1), characterized in that: the right side of left side exhaust manifold (1) is pegged graft and is had right exhaust manifold (2), the fixed surface of left side exhaust manifold (1) installs fixed block (3), the fixed surface of right side exhaust manifold (2) installs boss (5), the fixed surface of boss (5) installs upright piece (6), jack (9) have been seted up to the inside of upright piece (6), the inside of fixed block (3) is pegged graft and is had the post (4) of inserting of pegging graft with jack (9), the inside of inserting post (4) is seted up threaded hole (10), the internal thread connection of upright piece (6) has connecting bolt (12) with threaded hole (10) threaded connection.

2. An exhaust manifold sealing structure according to claim 1, characterized in that: the right end face of the left exhaust manifold (1) is provided with a mounting groove, a net block (8) is inserted into the inner wall of the mounting groove, and the right exhaust manifold (2) is inserted into the left exhaust manifold (1) through a connecting groove.

3. An exhaust manifold sealing structure according to claim 2, characterized in that: the shape of net piece (8) is the annular, the material of net piece (8) is the copper mesh, the left end face of right exhaust manifold (2) is seted up the groove of supporting that is linked together with the spread groove, support the groove and peg graft with net piece (8).

4. An exhaust manifold sealing structure according to claim 3, characterized in that: and a filling block (7) is arranged at the joint of the left exhaust manifold (1) and the right exhaust manifold (2) and on the outer surface of the net block (8), and the filling block (7) is annular.

5. An exhaust manifold sealing structure according to claim 4, wherein: the material of filling block (7) is the aluminium net, fixed block (3), insert post (4) and found the quantity of piece (6) and be four, and four fixed block (3) evenly distributed are at the surface of left exhaust manifold (1), and there are three screw hole (10) in the inside of every fixed block (3).

6. An exhaust manifold sealing structure according to claim 5, characterized in that: the shape of inserting post (4) is the quadrangular prism, fixed block (3) are pegged graft through fixed orifices and inserting post (4), the left side fixed mounting who inserts post (4) has the dog that corresponds with the fixed orifices.

7. The exhaust manifold sealing structure according to claim 6, wherein: the inner part of the upright block (6) is provided with a thread groove (11) communicated with the jack (9), and the thread groove (11) is in threaded connection with the connecting bolt (12).