CN220015376U - Sealing structure for electric control pump - Google Patents
Sealing structure for electric control pump Download PDFInfo
- Publication number
- CN220015376U CN220015376U CN202321771544.9U CN202321771544U CN220015376U CN 220015376 U CN220015376 U CN 220015376U CN 202321771544 U CN202321771544 U CN 202321771544U CN 220015376 U CN220015376 U CN 220015376U
- Authority
- CN
- China
- Prior art keywords
- sealing
- filling
- electric control
- control pump
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 238000001125 extrusion Methods 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing structure for an electric control pump, which comprises a sealing cover, wherein a round hole is formed in the middle of the sealing cover, four positioning holes are formed in the periphery of the round hole, four filling grooves are formed in the bottom surface of the sealing cover, sealing filling blocks are arranged in the filling grooves, the thickness of each sealing filling block is larger than the depth dimension of each filling groove, each sealing filling block comprises a rubber sheath, a filling rubber inner core and hard extrusion sheets, two hard extrusion sheets are used for clamping the corresponding filling rubber inner core in the middle, and the rubber sheath is coated on the outer parts of the two hard extrusion sheets and the filling rubber inner core. According to the utility model, the four filling grooves are formed in the bottom surface of the sealing cover, and the sealing filling blocks consisting of the rubber outer skin, the rubber inner core and the hard extrusion sheet are filled in the filling grooves, so that the gap between the sealing cover and the electric control pump can be sealed and filled, and the tightness of the electric control pump in the use process is ensured.
Description
Technical Field
The utility model relates to the technical field of sealing elements of electric control pumps, in particular to a sealing structure for an electric control pump.
Background
The electric control pump is also called an electric control unit pump, is a device for generating injection pressure of an injector (or an injector), and can divide a fuel injection system into a distribution pump, an in-line pump, a pump nozzle and a unit pump electric control fuel injection system according to the difference of high-pressure generating devices;
the electric control pump has strong sealing performance due to various reasons such as the type of a conveying medium, conveying pressure and the like, and a medium conveying pipeline connected with the electric control pump is usually required to be connected by using a sealing cover for ensuring the sealing strength between the medium conveying pipeline and the electric control pump.
The sealing cover used by the electric control pump is made of plastic or steel, the sealing cover and the electric control pump are subjected to sealing treatment through screw fixation and rubber gaskets, and more gaps exist between the sealing cover and the electric control pump, so that the sealing performance is insufficient; therefore, the prior requirements are not met, and a sealing structure for an electric control pump is provided.
Disclosure of Invention
The utility model aims to provide a sealing structure for an electric control pump, which aims to solve the problems that a sealing cover for the electric control pump, which is proposed in the background art, is made of plastic or steel, sealing treatment is carried out between the sealing cover and the electric control pump through screw fixation and rubber gaskets, more gaps exist between the sealing cover and the electric control pump, the sealing performance is insufficient and the like.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the sealing structure for the electric control pump comprises a sealing cover, wherein a round hole is formed in the middle of the sealing cover, four positioning holes are formed in the periphery of the round hole, four filling grooves are formed in the bottom surface of the sealing cover, sealing filling blocks are arranged in the filling grooves, and the thickness of each sealing filling block is larger than the depth of each filling groove;
the sealing filling block comprises a rubber outer skin, a filling rubber inner core and hard extrusion sheets, wherein the number of the hard extrusion sheets is two, the filling rubber inner core is clamped in the middle, and the rubber outer skin is coated outside the two hard extrusion sheets and the filling rubber inner core.
Preferably, the top of round hole is provided with the sealing washer, the diameter size of sealing washer is greater than the diameter size of round hole far away, the round hole is provided with annular seal groove with four locating holes's centre, the bottom surface of sealing washer is provided with annular seal bulge, annular seal bulge joint is in annular seal groove and adopts the sealant bonding with annular seal groove.
Preferably, the outer sides of the four filling grooves are provided with annular clamping grooves, the depth dimension of each annular clamping groove is one half of the depth dimension of each filling groove, an annular sealing ring is arranged in each annular clamping groove, and the annular sealing rings are made of silica gel or wear-resistant rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the four filling grooves are formed in the bottom surface of the sealing cover, and the sealing filling blocks consisting of the rubber outer skin, the rubber inner core and the hard extrusion sheet are filled in the filling grooves, so that the gap between the sealing cover and the electric control pump can be sealed and filled, and the tightness of the electric control pump in the use process is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an exploded view of the overall utility model;
FIG. 3 is a schematic structural view of the seal packing block of the present utility model.
In the figure: 1. sealing cover; 2. positioning holes; 3. a sealing sheet; 4. sealing the filling block; 41. a rubber skin; 42. filling a rubber inner core; 43. hard extrusion sheets; 5. filling the groove; 6. an annular clamping groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 3, an embodiment of the present utility model provides: a sealing structure for an electric control pump, comprising.
The seal packing block 4 includes a rubber outer skin 41, a packing rubber inner core 42, and hard pressing pieces 43, two of the hard pressing pieces 43 sandwich the packing rubber inner core 42, and the rubber outer skin 41 is coated on the outer sides of the two hard pressing pieces 43 and the packing rubber inner core 42.
Wherein, the top of round hole is provided with sealing fin 3, and the diameter size of sealing fin 3 is greater than the diameter size of round hole far away, and the centre of round hole and four locating holes 2 is provided with annular seal groove, and the bottom surface of sealing fin 3 is provided with annular seal arch, and annular seal protruding joint adopts the sealant bonding in annular seal groove and with annular seal groove.
Through adopting above-mentioned technical scheme, filling rubber inner core 42 is located the centre of two stereoplasm extrusion pieces 43 and makes two stereoplasm extrusion pieces 43 can be close to each other after the atress extrusion, and filling rubber inner core 42 expands outside from the centre of two stereoplasm extrusion pieces 43, fills the inside space of filling groove 5 completely.
The outer sides of the four filling grooves 5 are provided with annular clamping grooves 6, the depth dimension of each annular clamping groove 6 is one half of that of each filling groove 5, an annular sealing ring is arranged in each annular clamping groove 6, and the annular sealing ring is made of silica gel or wear-resistant rubber.
By adopting the technical scheme, a sealing protection is added to the outer sides of the four filling grooves 5, so that the sealing performance of the sealing cover 1 after use is further enhanced.
Working principle: when the sealing packing block is used, firstly, the rubber outer skin 41, the packing rubber inner core 42 and the hard extrusion sheets 43 are assembled to form the sealing packing block 4, the four packing grooves 5 on the bottom surface of the sealing cover 1 are filled with the annular sealing rings, then the annular clamping grooves 6 are filled with the annular sealing rings, the medium conveying hose is inserted into the round holes in the middle of the sealing cover 1, then the bottom end of the sealing cover 1 is connected with the medium conveying port of the electric control pump, the fastening screw penetrates through the positioning holes 2 to be connected with the shell of the electric control pump, the fastening screw is screwed into the shell of the electric control pump to tightly press the sealing cover 1 on the output port of the electric control pump, at the moment, the sealing packing block 4 in the packing grooves 5 is extruded, the two hard extrusion sheets 43 are mutually close to each other and completely enter the inside of the hard extrusion sheets 43, the packing rubber inner core 42 is expanded outwards due to the extrusion of the two hard extrusion sheets 43, the inside gap of the packing grooves 5 is completely filled, the sealing property between the sealing cover 1 and the shell of the medium conveying port of the electric control pump is effectively ensured, and the sealing property in use of the electric control pump is ensured.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a seal structure for automatically controlled pump, includes sealed lid (1), its characterized in that: the sealing cover is characterized in that a round hole is formed in the middle of the sealing cover (1), four positioning holes (2) are formed in the periphery of the round hole, four filling grooves (5) are formed in the bottom surface of the sealing cover (1), sealing filling blocks (4) are arranged in the filling grooves (5), and the thickness of the sealing filling blocks (4) is larger than the depth of the filling grooves (5).
2. The sealing structure for an electric control pump according to claim 1, wherein: the upper part of the round hole is provided with a sealing piece (3), and the diameter size of the sealing piece (3) is far larger than that of the round hole.
3. The sealing structure for an electric control pump according to claim 2, wherein: the circular hole is provided with an annular sealing groove with the middle of the four positioning holes (2), the bottom surface of the sealing piece (3) is provided with an annular sealing bulge, and the annular sealing bulge is clamped in the annular sealing groove and is bonded with the annular sealing groove by sealing glue.
4. The sealing structure for an electric control pump according to claim 1, wherein: the sealing filling block (4) comprises a rubber outer skin (41), a filling rubber inner core (42) and hard extrusion sheets (43), wherein the number of the hard extrusion sheets (43) is two, the filling rubber inner core (42) is clamped in the middle, and the rubber outer skin (41) is coated outside the two hard extrusion sheets (43) and the filling rubber inner core (42).
5. The sealing structure for an electric control pump according to claim 1, wherein: the outer sides of the four filling grooves (5) are provided with annular clamping grooves (6), and the depth dimension of each annular clamping groove (6) is one half of the depth dimension of each filling groove (5).
6. The sealing structure for an electric control pump according to claim 5, wherein: the inside of annular draw-in groove (6) is provided with ring seal, ring seal's material is silica gel or wear-resisting rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321771544.9U CN220015376U (en) | 2023-07-07 | 2023-07-07 | Sealing structure for electric control pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321771544.9U CN220015376U (en) | 2023-07-07 | 2023-07-07 | Sealing structure for electric control pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015376U true CN220015376U (en) | 2023-11-14 |
Family
ID=88688565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321771544.9U Active CN220015376U (en) | 2023-07-07 | 2023-07-07 | Sealing structure for electric control pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015376U (en) |
-
2023
- 2023-07-07 CN CN202321771544.9U patent/CN220015376U/en active Active
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| GR01 | Patent grant |