CN208950724U - A kind of sealing prosthese - Google Patents
A kind of sealing prosthese Download PDFInfo
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- CN208950724U CN208950724U CN201821773226.5U CN201821773226U CN208950724U CN 208950724 U CN208950724 U CN 208950724U CN 201821773226 U CN201821773226 U CN 201821773226U CN 208950724 U CN208950724 U CN 208950724U
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- hole
- sealing
- seal casinghousing
- fixed block
- prosthese according
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Abstract
The utility model discloses a kind of sealing prostheses, belong to technical field of engines.Sealing prosthese provided by the utility model includes seal casinghousing, sealing plug and fixed block, cavity is provided on seal casinghousing, cavity bottom is provided with tapped through hole, sealing plug is provided in tapped through hole, fixed block is fixedly connected on seal casinghousing, first connector passes through fixed block and connect with by sealing element, to realize seal casinghousing and being fixedly connected by sealing element.The sealing borrowed structure and connection type are simple, true component can be substituted to block by the mounting hole on sealing element, to not only contribute to avoid to carry out test using the closure of true component to damage component, reduce unnecessary loss, the cost for reducing sealing propertytest, also advantageously improves the efficiency of performing leak test.
Description
Technical field
The utility model relates to technical field of engines more particularly to a kind of sealing prostheses.
Background technique
Cylinder head is an important component in marine diesel, forms combustion chamber with piston, cylinder jacket.In diesel engine
When work, by promoting diesel combustion to supercharging air, so that piston be pushed to move reciprocatingly in cylinder jacket.In motor hand
During work, cylinder head is subjected to the working environment of high temperature and high pressure, therefore more demanding to the sealing performance of cylinder head, is filling
Performing leak test is had to pass through before matching, and leakage contribution diesel engine performance is occurred to prevent cylinder head and is even broken down and safe thing
Therefore.
The method of the existing leakproofness for tested cylinder lid mainly includes two kinds, the first is with certain high pressure gas
Stream is full of cylinder cap, is changed by atmospheric pressure value and determines air-tightness；Second cylinder cap recirculated water is filled with persistently with certain forced draft
Cooling system sees whether to leak.But since cylinder needs to install fuel injector, air starting valve, safety on it when in use
The components such as valve, light fluid fuel injector, therefore the mounting hole for installing above-mentioned component is provided in cylinder head, in being sealed property
Test needs to block mounting hole.If blocked using true component, in installation, disassembly and tested
It is easily damaged in journey, to cause unnecessary loss, increases testing cost, and true component is mounting and dismounting
It is comparatively laborious in the process.
Therefore, how to propose that one kind can substitute true component and go to block mounting hole, and operating process is simply close
Envelope prosthese is the technical issues of present technology solves.
Utility model content
The purpose of this utility model is to provide a kind of sealing prostheses, and the sealing borrowed structure is simple, are easily installed and tear open
It unloads, manufacturing cost is low.
For this purpose, the utility model uses following technical scheme:
A kind of sealing prosthese, comprising:
Seal casinghousing is provided with cavity on the seal casinghousing, and the bottom of the cavity is provided with tapped through hole；
Sealing plug, the sealing plug are threaded in the tapped through hole；
Fixed block, the fixed block are fixedly connected with the seal casinghousing, and the first connector passes through the fixed block and quilt
Sealing element connection.
Preferably, being provided with annular stepped slot on the sealed end of the seal casinghousing, being used for and being arranged described close
Annular lug clamping in the inner wall of the hole installing of sealing.
Preferably, the sealing prosthese further include:
Annular gasket, the annular gasket are arranged in the stepped groove.
Preferably, being provided with annular groove on the seal casinghousing, ring type seal is provided in the annular groove.
Preferably, the first connecting hole of multiple array arrangements is provided on the fixed block, each first connection
First connector is provided in hole.
Preferably, being provided with multiple second connecting holes on the fixed block, connect on the seal casinghousing with described second
It connects the opposite position in hole and is provided with third connecting hole, the second connector passes through the second connecting hole and the third connecting hole is arranged.
Preferably, second connecting hole is stepped hole.
Preferably, the seal casinghousing is cylindrical.
Preferably, the fixed block is located at the top of the seal casinghousing, it is provided with and the sky on the fixed block
The through-hole of chamber connection.
Preferably, the through-hole includes stepped the first hole and the second hole, the aperture in first hole is greater than institute
The aperture in the second hole is stated, the diameter of the seal casinghousing is greater than the aperture in second hole, and is less than the aperture in first hole,
The seal casinghousing is plugged in first hole.
The utility model has the beneficial effects that
The utility model provides a kind of sealing prosthese, which includes seal casinghousing, sealing plug and fixed block,
Cavity is provided on seal casinghousing, cavity bottom is provided with tapped through hole, sealing plug, seal casinghousing are provided in tapped through hole
On be fixedly connected with fixed block, the first connector passes through fixed block and connect with by sealing element, to realize seal casinghousing and close
Sealing is fixedly connected.The sealing borrowed structure and connection type are simple, can substitute true component and block by sealing element
On mounting hole, to not only contribute to avoid to carry out test using the closure of true component to be damaged to component,
Unnecessary loss is reduced, the cost of sealing propertytest is reduced, also advantageously improves the efficiency of performing leak test.
Detailed description of the invention
Fig. 1 is sealing prosthese provided by the utility model and the cross-sectional view that assembled state is in by sealing element；
Fig. 2 is the cross-sectional view of seal casinghousing provided by the utility model；
Fig. 3 is the structural schematic diagram of sealing plug provided by the utility model；
Fig. 4 is the top view of fixed block provided by the utility model；
Fig. 5 is the cross-sectional view in the direction A-A in Fig. 4.
In figure:
1, seal casinghousing；101, cavity；102, third connecting hole；103, stepped groove；104, tapped through hole；105, annular is recessed
Slot；2, sealing plug；201, nut；202, screw rod；3, fixed block；301, through-hole；3011, the first hole；3012, the second hole；
302, the first connecting hole；303, the second connecting hole；4, the first connector；5, by sealing element；501, mounting hole.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
A kind of sealing prosthese is present embodiments provided, which can be used for by sealing element 5, true for substituting
Real component closure is arranged in by the mounting hole 501 on sealing element 5, so that the leakproofness to cylinder head detects, favorably
In avoiding carrying out testing to damage component using the closure of true component, unnecessary loss is reduced, is reduced close
The cost of envelope property detection, improves the efficiency of performing leak test.It in the present embodiment, is cylinder head by sealing element 5, true member device
Part is air starting valve, fuel injector, safety valve or light fluid fuel injector etc..
As shown in Figures 1 to 5, which includes seal casinghousing 1, sealing plug 2 and fixed block 3.Wherein, capsul
Body 1 and sealing plug 2 are main seal member, the mounting hole 501 of mounting related components in the shape and cylinder head of sealing plug 2
Shape be adapted, such as can for cylinder.Cavity 101 is provided on seal casinghousing 1, which advantageously reduces whole
The shape of the weight and manufacturing cost of a sealing prosthese, cavity 101 can be cylindrical hole, cubic pore or other shapes
Hole.
The bottom of cavity 101 is provided with tapped through hole 104, and sealing plug 2 is threaded in tapped through hole 104, thus
Tapped through hole 104 is blocked.Sealing plug 2 includes the nut 201 and screw rod 202 of coaxial arrangement, by the way that 2 energy of sealing plug is arranged
Enough make the sealing prosthese do not influence other detection test progress specifically, will be close when needing to detect the leakproofness of cylinder head
Envelope plug screw 2 is placed in tapped through hole 104, to guarantee that sealing propertytest is not influenced by mounting hole 501；And works as and need to carry out it
When he detects, such as when detection cylinder head and the indoor gas pressure of burning of cylinder jacket formation, temperature, then can choose will be close
Envelope plug screw 2 is screwed out out of tapped through hole 104, is protruded into combustion chamber out of tapped through hole 104 to will test sensor.In this reality
It applies in example, sealing plug 2 is the hexagonal socket head plug of M14x1.25, is provided with fine thread, the quantity of tapped through hole 104 is
Two, a sealing plug 2 is provided in each tapped through hole 104.
Fixed block 3 is mainly used for realizing the connection of seal casinghousing 1 and cylinder head, and fixed block 3 is arranged on seal casinghousing 1,
And be fixedly connected with seal casinghousing 1, it is connect after fixed block 3 with cylinder head using the first connector 4, thus by seal casinghousing
1 is stably installed to the mounting hole 501 of cylinder head.
In order to improve the leakproofness of seal casinghousing 1 and cylinder head, in the sealed end of seal casinghousing 1, that is, seal casinghousing 1
Ring ladder slot 103, and the projection annular lug on the inner wall of mounting hole 501 are provided on the one end protruded into mounting hole 501,
By the way that annular lug to be connected in ring ladder slot 103, to improve the leakproofness of seal casinghousing 1 and cylinder head.Further
Annular gasket can also be arranged in ring ladder slot 103 in ground, when annular lug is connected in ring ladder slot 103, annular
Gasket further improves the leakproofness of seal casinghousing 1 and cylinder head between ring ladder slot 103 and annular lug.?
In the present embodiment, the material of annular gasket is cold rolled carbon steel sheet, and sealing effect is good, can play prevent from revealing, be isolated it is equivalent
Fruit.Still further, annular groove 105 can also be arranged on the side wall of seal casinghousing 1, by setting in annular groove 105
Ring type seal is set, to improve the leakproofness between 501 inner wall of side wall and mounting hole of seal casinghousing 1, placement is detected
Gas or the leakage for detecting liquid.
In order to improve the bonding strength between fixed block 3 and cylinder head, multiple first connections can be set on fixed block 3
Hole 302, by being provided with one first connector 4 in every one first connecting hole 302, to realize fixed block 3 and cylinder head
Between multiple spot fix.It is preferred that multiple first connecting holes 302 array arrangement on fixed block 3, the selection of the first connector 4 is using outer
Hex bolts.In the present embodiment, the quantity of outer-hexagonal bolt is four, is separately positioned on four edges of fixed block 3.
In the present embodiment, fixed block 3 is rectangular block, and is located at the top of seal casinghousing 1, and be provided on fixed block 3
The through-hole 301 being connected to cavity 101.In order to realize the quick positioning and assembling of fixed block 3 and seal casinghousing 1, through-hole 301 is set
It is set to stair-stepping first hole 3011 and the second hole 3012, the aperture in the first hole 3011 is greater than the aperture in the second hole 3012, sealing
The diameter of shell 1 is greater than the aperture in the second hole 3012, and less than the aperture in the first hole 3011, seal casinghousing 1 is plugged on the first hole
In 3011.
In order to realize being fixedly connected for fixed block 3 and seal casinghousing 1, the second connecting hole 303 is provided on fixed block 3,
The position opposite with the second connecting hole 303 is provided with third connecting hole 102 on seal casinghousing 1, is passed through using the second connector
Second connecting hole 303 and third connecting hole 102 connect fixed block 3 and seal casinghousing 1, in the present embodiment, the second connector
For hexagon socket head cap screw.In order to improve bonding strength, the preferably quantity of the second connecting hole 303 and third connecting hole 102 is multiple, and
Array arrangement.In order to guarantee the planarization of fixed block 3, stepped hole is set by the second connecting hole 303, thus by hexagon socket head cap screw
It is integrally placed at the inside of fixed block 3.
The sealing prosthese and the assembling process of cylinder head are as follows: annular gasket is placed in the mounting hole 501 of cylinder head first
Annular convex platform on, then by sealing plug 2 installation into the tapped through hole 104 of seal casinghousing 1, recycle the second connector will
Fixed block 3 is fixedly connected with seal casinghousing 1, and finally the seal casinghousing 1 assembled is placed in the mounting hole 501 of cylinder head, and
Fixed block 3 is fixedly connected with cylinder head using the first connector 4.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of sealing prosthese characterized by comprising
Seal casinghousing (1) is provided with cavity (101) on the seal casinghousing (1), and the bottom of the cavity (101) is provided with spiral shell
Line through-hole (104)；
Sealing plug (2), the sealing plug (2) are threaded in the tapped through hole (104)；
Fixed block (3), the fixed block (3) are fixedly connected with the seal casinghousing (1), and the first connector (4) passes through described solid
Determine block (3) to connect with by sealing element (5).
2. sealing prosthese according to claim 1, which is characterized in that
Annular stepped slot (103) are provided on the sealed end of the seal casinghousing (1), be used for and are arranged described by sealing element
(5) the annular lug clamping on mounting hole (501) inner wall.
3. sealing prosthese according to claim 2, which is characterized in that the sealing prosthese further include:
Annular gasket, the annular gasket setting is in the stepped groove (103).
4. sealing prosthese according to claim 1, which is characterized in that
It is provided with annular groove (105) on the seal casinghousing (1), is provided with ring type seal in the annular groove (105).
5. sealing prosthese according to claim 1, which is characterized in that
The first connecting hole (302) of multiple array arrangements, each first connecting hole are provided on the fixed block (3)
(302) first connector (4) is provided in.
6. sealing prosthese according to claim 1, which is characterized in that
It is provided with multiple second connecting holes (303) on the fixed block (3), is connect on the seal casinghousing (1) with described second
The opposite position in hole (303) is provided with third connecting hole (102), and the second connector passes through the second connecting hole (303) and described the
Three connecting holes (102) setting.
7. sealing prosthese according to claim 6, which is characterized in that
Second connecting hole (303) is stepped hole.
8. sealing prosthese according to claim 1, which is characterized in that
The seal casinghousing (1) is cylindrical.
9. sealing prosthese according to claim 8, which is characterized in that
The fixed block (3) is located at the top of the seal casinghousing (1), is provided with and the cavity on the fixed block (3)
(101) through-hole (301) being connected to.
10. sealing prosthese according to claim 9, which is characterized in that
The through-hole (301) includes stepped the first hole (3011) and the second hole (3012), first hole (3011)
Aperture is greater than the aperture of second hole (3012), and the diameter of the seal casinghousing (1) is greater than the hole of second hole (3012)
Diameter, and it is less than the aperture of first hole (3011), the seal casinghousing (1) is plugged in first hole (3011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773226.5U CN208950724U (en) | 2018-10-30 | 2018-10-30 | A kind of sealing prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773226.5U CN208950724U (en) | 2018-10-30 | 2018-10-30 | A kind of sealing prosthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950724U true CN208950724U (en) | 2019-06-07 |
Family
ID=66743493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773226.5U Active CN208950724U (en) | 2018-10-30 | 2018-10-30 | A kind of sealing prosthese |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208950724U (en) |
-
2018
- 2018-10-30 CN CN201821773226.5U patent/CN208950724U/en active Active
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