CN216382963U - Elastic sealing structure of engine air inlet pipe - Google Patents
Elastic sealing structure of engine air inlet pipe Download PDFInfo
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- CN216382963U CN216382963U CN202122835016.2U CN202122835016U CN216382963U CN 216382963 U CN216382963 U CN 216382963U CN 202122835016 U CN202122835016 U CN 202122835016U CN 216382963 U CN216382963 U CN 216382963U
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- elastic seal
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Abstract
The utility model relates to the technical field of air inlet pipe sealing, in particular to an elastic sealing structure of an air inlet pipe of an engine, which comprises a throttle valve joint, wherein a sealing ring installation groove is formed in the inner wall of one end of the throttle valve joint, a first boss connection groove is annularly arranged on the inner surface of the sealing ring installation groove, an elastic sealing ring is installed in the sealing ring installation groove and comprises a sealing ring main body, one end of the sealing ring main body is installed in the sealing ring installation groove, and one end of the throttle valve joint is connected with one end of the air inlet pipe joint. Thereby the sealed effect of this structure has been promoted greatly.
Description
Technical Field
The utility model relates to the technical field of air inlet pipe sealing, in particular to an elastic sealing structure of an engine air inlet pipe.
Background
At present, when a throttle valve joint and an air inlet pipe joint of an engine are sealed, elastic rubber sealing rings are needed to be used for sealing, for example, a connection sealing structure of a plastic air inlet pipe connector part of the engine, which is provided by the patent with the application number of CN200920127764.1, comprises the plastic air inlet pipe connector part, a rubber sealing sleeve and a clamp; the rubber sealing sleeve is cylindrical and tightly sleeved on a throttle valve port of an engine, and the plastic air inlet pipe connector is sleeved on the rubber sealing sleeve and clamped through a clamp. This scheme adopts the sealed mode of the parcel rubber of plastics intake pipe sealing device replacement traditional integral type, has solved the easy fracture problem of rubber coating department that the sealed mode of integral type rubber coating exists because assembly position error accumulation too big causes effectively, adopts this seal structure simultaneously, and plastics intake pipe and sealing rubber are mutually partd, just realize sealedly through the mode of later stage assembly, consequently need not adopt special parcel rubber's technology, has the characteristics such as preparation simple process, and the cost is lower.
However, according to the technical scheme, when the sealing is carried out, two sides of the sealing ring are in direct contact with the pipe wall of the pipeline, the contact area is small, the phenomenon of poor sealing performance can occur, and the pipeline is easy to deform by fixing through the clamping hoop, so that improvement is made to the problem, and the elastic sealing structure of the engine air inlet pipe is provided.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an elastic sealing structure of an air inlet pipe of an engine, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
engine intake pipe elastic sealing structure connects including the throttle valve, the sealing washer mounting groove has been seted up on the one end inner wall that the throttle valve connects, the annular is equipped with first boss spread groove on the inside surface of sealing washer mounting groove, the internally mounted of sealing washer mounting groove has the elastic seal circle, the elastic seal circle includes the sealing washer main part, the inside at the sealing washer mounting groove is installed to the sealing washer main part, the one end that the throttle valve connects is connected with the one end that the admission pipe connects.
Preferably, two positioning grooves are symmetrically formed in the inner wall of the sealing ring mounting groove, two first fixing plates are integrally formed on the outer wall of the throttle valve joint, and each first fixing plate is provided with a threaded hole.
Preferably, two second fixing plates are integrally formed on the outer wall of one end of the air inlet pipe joint, and the two second fixing plates and the two first fixing plates are arranged correspondingly.
Preferably, each second fixing plate is provided with a through hole, each through hole corresponds to one threaded hole, each through hole is internally provided with a fixing screw, and one end of each fixing screw is connected to the inside of one threaded hole.
Preferably, the one end of air inlet pipe joint integrated into one piece has the connection boss on the surface, the second boss spread groove has been seted up to the annular on the side surface of connection boss, integrated into one piece has two connecting blocks on the outer wall of connection boss, two the connecting block corresponds the setting with two constant head tanks.
Preferably, a first annular boss is integrally formed on one side surface of the sealing ring main body, the first annular boss is arranged inside the first boss connecting groove, the cross sections of the first boss connecting groove and the first annular boss are isosceles trapezoid, and the height of the first annular boss is larger than the depth of the first boss connecting groove.
Preferably, a second annular boss is integrally formed on the other side surface of the sealing ring main body, the second annular boss is arranged inside a second boss connecting groove, the cross sections of the second boss connecting groove and the second annular boss are isosceles trapezoid, and the height of the second annular boss is larger than the depth of the second boss connecting groove.
Preferably, the outer wall of the sealing ring main body is integrally formed with two positioning blocks, and the two positioning blocks are respectively connected to the insides of the two positioning grooves.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the fixing screw penetrates through the through hole to be connected with the threaded hole, and the first annular boss and the second annular boss are longer than the first boss connecting groove and the second boss connecting groove and partially deform along with the rotation of the fixing screw, so that the first annular boss and the second annular boss are expanded in the grooves to increase the contact tightness, the contact area of the sealing ring main body with the throttle valve joint and the air inlet pipe joint is increased, and the sealing effect of the structure is greatly improved.
(2) According to the structure, the fixing screw penetrates through the through hole to be connected with the threaded hole, so that the first fixing plate and the second fixing plate are fixed, and the connecting end of the throttle valve joint and the air inlet pipe joint is fixed.
Drawings
FIG. 1 is a schematic view of the overall structure of an elastic sealing structure of an intake pipe of an engine according to the present invention;
FIG. 2 is a front view structural schematic diagram of an elastic sealing structure of an engine air inlet pipe of the utility model;
FIG. 3 is a sectional view at A-A in FIG. 2 illustrating the elastic sealing structure of the intake duct of the engine according to the present invention;
FIG. 4 is a schematic view of a throttle joint structure of an elastic sealing structure of an engine intake pipe according to the present invention;
FIG. 5 is a schematic structural view of an elastic sealing ring of the elastic sealing structure of the engine intake pipe of the present invention;
fig. 6 is a schematic view of an intake pipe joint structure of the elastic sealing structure of the engine intake pipe of the present invention.
In the figure: 1. a throttle joint; 2. an air inlet pipe joint; 3. an elastic sealing ring; 301. a seal ring main body; 302. a first annular boss; 303. a second annular boss; 304. positioning blocks; 4. a sealing ring mounting groove; 5. a first boss connecting groove; 6. positioning a groove; 7. a first fixing plate; 8. a threaded hole; 9. connecting the bosses; 10. a second boss connecting groove; 11. connecting blocks; 12. a second fixing plate; 13. a through hole; 14. and fixing the screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-6, the elastic sealing structure of the air inlet pipe of the engine comprises a throttle valve joint 1, a sealing ring installation groove 4 is formed in the inner wall of one end of the throttle valve joint 1, a first boss connection groove 5 is annularly arranged on the inner surface of the sealing ring installation groove 4, an elastic sealing ring 3 is installed inside the sealing ring installation groove 4, the elastic sealing ring 3 comprises a sealing ring main body 301, the sealing ring main body 301 is installed inside the sealing ring installation groove 4, and one end of the throttle valve joint 1 is connected with one end of the air inlet pipe joint 2.
In this embodiment, two positioning grooves 6 are symmetrically formed on the inner wall of the seal ring mounting groove 4, two first fixing plates 7 are integrally formed on the outer wall of the throttle joint 1, each first fixing plate 7 is provided with a threaded hole 8, two second fixing plates 12 are integrally formed on the outer wall of one end of the intake pipe joint 2, the two second fixing plates 12 are arranged corresponding to the two first fixing plates 7, each second fixing plate 12 is provided with a through hole 13, each through hole 13 is arranged corresponding to one threaded hole 8, a fixing screw 14 is arranged inside each through hole 13, one end of each fixing screw 14 is connected inside one threaded hole 8, and the fixing screw 14 penetrates through the through hole 13 to be connected with the threaded hole 8, so that the first fixing plate 7 and the second fixing plate 12 are fixed, and the connecting end of the throttle joint 1 and the intake pipe joint 2 is fixed, this structure is fixed first fixed plate 7 and second fixed plate 12 through set screw 14 to prevent when fixed, make the pipeline warp the damage, thereby promoted the practicality of equipment greatly.
It can be understood that in this application, the one end integrated into one piece on the surface of intake pipe joint 2 has connection boss 9, and second boss connecting groove 10 has been seted up to the annular on the side surface of connection boss 9, and integrated into one piece has two connecting blocks 11 on the outer wall of connection boss 9, and two connecting blocks 11 correspond the setting with two constant head tanks 6, and when the installation, can be connected and sealed with second annular boss 303 through second boss connecting groove 10.
It can be understood, in this application, a side surface integrated into one piece of sealing washer main part 301 has first annular boss 302, first annular boss 302 sets up in the inside of first boss spread groove 5, first boss spread groove 5 is isosceles trapezoid with the cross sectional shape of first annular boss 302, the degree of depth that highly is greater than first boss spread groove 5 of first annular boss 302, cross sectional shape through first annular boss 302 and first boss spread groove 5 is isosceles trapezoid, thereby first annular boss 302 and first boss spread groove 5 area of contact have been promoted greatly, promote sealed effect.
It can be understood, in this application, the opposite side surface integrated into one piece of sealing washer main part 301 has second annular boss 303, second annular boss 303 sets up the inside at second boss connecting groove 10, second boss connecting groove 10 is isosceles trapezoid with the cross sectional shape of second annular boss 303, the degree of depth that highly is greater than second boss connecting groove 10 of second annular boss 303, cross sectional shape through second annular boss 303 and second boss connecting groove 10 is isosceles trapezoid, thereby second annular boss 303 and second boss connecting groove 10 area of contact have been promoted greatly, promote sealed effect.
It can be understood that, in this application, the outer wall of the sealing ring main body 301 is integrally formed with two positioning blocks 304, the two positioning blocks 304 are respectively connected inside the two positioning grooves 6, and the sealing ring main body 301 can be quickly positioned by the two positioning blocks 304.
The working principle of the elastic sealing structure of the air inlet pipe of the engine is as follows:
when in use, firstly, the sealing ring main body 301 is aligned with the sealing ring installation groove 4, then the two positioning blocks 304 are aligned with the two positioning grooves 6, the sealing ring main body 301 is pushed and is installed in the sealing ring installation groove 4, meanwhile, the two positioning blocks 304 are moved into the two positioning grooves 6, the sealing ring main body 301 can be quickly positioned through the two positioning blocks 304, the first annular boss 302 on one side surface of the sealing ring main body 301 is made to enter the inside of the first boss connection groove 5, then the air inlet pipe connector 2 is aligned with the throttle valve connector 1, the second boss connection groove 10 is connected with the second annular boss 303, meanwhile, the outer wall of the connection boss 9 is connected with the inner wall of the sealing ring installation groove 4, at the moment, the fixing screw 14 is made to penetrate through the through hole 13 to be connected with the threaded hole 8, and the first annular boss 302 and the second annular boss 303 are longer than the part of the first boss connection groove 5 and the second boss connection groove 10 to deform along with the rotation of the fixing screw 14, thereby expanding the groove to increase the contact tightness and increasing the contact area of the seal ring main body 301 with the throttle valve joint 1 and the air inlet pipe joint 2, thereby greatly improving the sealing effect of the structure.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. Engine intake pipe elastic sealing structure, including throttle valve joint (1), its characterized in that: sealing washer mounting groove (4) have been seted up on the one end inner wall of throttle valve joint (1), the inside surface of sealing washer mounting groove (4) goes up the annular and is equipped with first boss spread groove (5), the internally mounted of sealing washer mounting groove (4) has elastic seal circle (3), elastic seal circle (3) are including sealing washer main part (301), the inside at sealing washer mounting groove (4) is installed in sealing washer main part (301), the one end that the throttle valve connects (1) is connected with the one end of admission pipe joint (2).
2. The engine intake duct elastic seal structure according to claim 1, characterized in that: two constant head tanks (6) have been seted up to the symmetry on the inner wall of sealing washer mounting groove (4), integrated into one piece has two first fixed plates (7), every on the outer wall of throttle valve joint (1) all set up threaded hole (8) on first fixed plate (7).
3. The engine intake duct elastic seal structure according to claim 1, characterized in that: two second fixing plates (12) are integrally formed on the outer wall of one end of the air inlet pipe joint (2), and the two second fixing plates (12) are arranged corresponding to the two first fixing plates (7).
4. The engine intake pipe elastic seal structure according to claim 3, characterized in that: every through-hole (13) have all been seted up on second fixed plate (12), every through-hole (13) all correspond with a screw hole (8) and set up, every through-hole (13) inside all is provided with clamping screw (14), every clamping screw (14)'s one end all connects in the inside of a screw hole (8).
5. The engine intake duct elastic seal structure according to claim 1, characterized in that: the one end of admission pipe joint (2) is integrated into one piece on the surface and is had connection boss (9), second boss spread groove (10) have been seted up to the annular on the side surface of connecting boss (9), it has two connecting blocks (11), two to connect integrated into one piece on the outer wall of boss (9) connecting block (11) and two constant head tank (6) correspond the setting.
6. The engine intake duct elastic seal structure according to claim 1, characterized in that: one side surface integrated into one piece of sealing washer main part (301) has first annular boss (302), first annular boss (302) set up the inside at first boss spread groove (5), the cross sectional shape of first boss spread groove (5) and first annular boss (302) is isosceles trapezoid, the degree of depth that highly is greater than first boss spread groove (5) of first annular boss (302).
7. The engine intake duct elastic seal structure according to claim 1, characterized in that: the opposite side surface integrated into one piece of sealing washer main part (301) has second annular boss (303), second annular boss (303) set up the inside at second boss connecting groove (10), the cross sectional shape of second boss connecting groove (10) and second annular boss (303) is isosceles trapezoid, and the degree of depth that highly is greater than second boss connecting groove (10) of second annular boss (303).
8. The engine intake duct elastic seal structure according to claim 1, characterized in that: two positioning blocks (304) are integrally formed on the outer wall of the sealing ring main body (301), and the two positioning blocks (304) are respectively connected inside the two positioning grooves (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835016.2U CN216382963U (en) | 2021-11-18 | 2021-11-18 | Elastic sealing structure of engine air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835016.2U CN216382963U (en) | 2021-11-18 | 2021-11-18 | Elastic sealing structure of engine air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382963U true CN216382963U (en) | 2022-04-26 |
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ID=81253068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835016.2U Active CN216382963U (en) | 2021-11-18 | 2021-11-18 | Elastic sealing structure of engine air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382963U (en) |
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2021
- 2021-11-18 CN CN202122835016.2U patent/CN216382963U/en active Active
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