CN209100175U - A kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump - Google Patents
A kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump Download PDFInfo
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- CN209100175U CN209100175U CN201821290861.8U CN201821290861U CN209100175U CN 209100175 U CN209100175 U CN 209100175U CN 201821290861 U CN201821290861 U CN 201821290861U CN 209100175 U CN209100175 U CN 209100175U
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- auxiliary pump
- assembly
- fuel tank
- support
- saddle
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Abstract
The utility model relates to a kind of seat structures applied to assembly saddle-shape fuel tank auxiliary pump, the seat structure includes auxiliary pump fixed support assembly and auxiliary pump bracket component, the auxiliary pump fixed support assembly passes through groove and protrusion and auxiliary pump bracket component assembly connection, the auxiliary pump fixed support assembly includes support body, and the support pedestal of support body bottom is set, in the support body along the vertical direction on be provided with groove structure, circular arc notch is provided in the support body, the support pedestal is set as circular ring shape, welded flange pilot hole is provided in the circular ring shape base.The technical solution solves auxiliary pump installation question when saddle fuel tank auxiliary fuel tank side imperforation.The installation to realize auxiliary pump is assembled by auxiliary pump hold-down support and auxiliary pump bracket, the rotation and movement of auxiliary pump can be effectively limited, accurately be fed back so that oil level information is available.
Description
Technical field
The utility model relates to a kind of assembling assembly, in particular to a kind of support applied to assembly saddle-shape fuel tank auxiliary pump
Structure belongs to Oiltank structure component technology field.
Background technique
Oil-fired vehicle is divided into forerunner and 4 wheel driven, by transmission axis connection between 4 wheel driven type front wheels of motor-vehicles and rear-wheel.Design
When fuel tank, in order to guarantee the gap between fuel tank and transmission shaft, we can be by tank design at saddle-shape.Saddle-shape fuel tank is usual
Interconnecting part with a main fuel tank, an auxiliary fuel tank and major-minor fuel tank.During previous saddle tank design, for convenience of oil
The installation of pump can hold respectively a hole in saddle fuel tank major-minor fuel tank upper surface, to install main oil during practical set
Pump and auxiliary pump, main pump and auxiliary pump are all made of the fixed form of locking nut structure or capel locking ring structure.Since country is to combustion
The control of oil system discharge is increasingly stringenter, and the discharge value that vehicle gives fuel system is even more lower and lower, and excessive fuel tank is opened
Hole will lead to the emission request that discharge is not able to satisfy main engine plants.In order to meet the requirement of low emission, remove opening at fuel tank auxiliary pump
The discharge value of fuel system can be effectively reduced in hole.This just needs us will be secondary by two-film technique in fuel tank blow-molding process
Oil pump is fixed on the auxiliary fuel tank inside bottom of saddle fuel tank, but fixed structure in the prior art is all undesirable, is fixing
There is a problem of various in journey, therefore, a kind of new scheme of urgent need solves the technical problem.
Utility model content
The utility model exactly for the technical problems in the prior art, provides a kind of applied to assembly saddle-shape oil
The seat structure of case auxiliary pump, the technical solution solve auxiliary pump installation question when saddle fuel tank auxiliary fuel tank side imperforation.It is logical
Auxiliary pump hold-down support and the assembly of auxiliary pump bracket are crossed to realize the installation of auxiliary pump, can effectively limit the rotation and movement of auxiliary pump,
It is accurately fed back so that oil level information is available.
To achieve the goals above, the technical solution of the utility model is as follows: one kind being applied to assembly saddle-shape fuel tank pair
The seat structure of pump, which is characterized in that the seat structure includes auxiliary pump fixed support assembly and auxiliary pump bracket component, the pair
It pumps fixed support assembly and passes through groove and protrusion and auxiliary pump bracket component assembly connection.
As a kind of improvement of the utility model, the auxiliary pump fixed support assembly includes that support body and setting exist
The support pedestal of support body bottom, in the support body along the vertical direction on be provided with groove structure, the support body
On be provided with circular arc notch, the support pedestal is set as circular ring shape, be provided in the circular ring shape base welded flange assembly
Hole.
As a kind of improvement of the utility model, the auxiliary pump bracket component includes rack body, on the rack body
It is provided with bulge-structure, the bulge-structure is coupled with groove structure, and the size of the bulge-structure is 1.5-2.0mm.
As a kind of improvement of the utility model, buckle structure, auxiliary pump inlet port branch are additionally provided on the rack body
Frame, inlet port and float lever assembly parts.
As a kind of improvement of the utility model, step structure, the step structure are additionally provided in the support body
Positioned at the lower section of support body, overhead structure, the overhead structure and step structure phase are provided on the rack body
Match., the gap of 0.5mm is reserved between the step structure and overhead structure.
As a kind of improvement of the utility model, jaw structure, the jaw structure are additionally provided on the rack body
There are interference between auxiliary pump hold-down support, and unilateral magnitude of interference is 0.5mm, can effectively limit auxiliary pump hold-down support after assembly in place
Opposite shaking between auxiliary pump bracket.
Compared with the existing technology, as follows the advantages of the utility model: 1) the technical solution overall construction design is compact, the party
Case can effectively fix auxiliary pump in astomous situation at saddle fuel tank auxiliary fuel tank, allow auxiliary pump float can be in correct position
Set work, to feed back correct oil level information, 2) cost is relatively low for the utility model, is only made of simple moulding, can be with
Be effectively saved cost, 3) cost is relatively low for entire technical solution, promotes and applies convenient for further.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is auxiliary pump hold-down support structural schematic diagram；
Fig. 3 is auxiliary pump hold-down support assembling structure schematic diagram；
Fig. 4 is copy supporting structure schematic diagram；
Fig. 5 is auxiliary pump bracket top view；
Fig. 6 is bulge-structure enlarged diagram；
Fig. 7 is auxiliary pump bracket cross-sectional view；
Fig. 8 is overhead structure enlarged drawing；
Fig. 9, Figure 10 are cross-sectional view after auxiliary pump hold-down support and auxiliary pump assembly；
Figure 11 is to match schematic diagram after auxiliary pump support is assembled with auxiliary pump；
Figure 12 is structural schematic diagram after the utility model assembly.
In figure: 1, auxiliary pump fixed support assembly, 2, auxiliary pump bracket component,
11, support body, 12, support pedestal, 13, circular arc notch, 14, welded flange pilot hole, 15, groove structure, 16,
Step structure,
21, rack body, 22, bulge-structure, 23, buckle structure, 24, auxiliary pump inlet port bracket, 25, float lever assembly
Part, 26, overhead structure, 27, jaw structure, 28, inlet port.
Specific embodiment
It is practical new to this with reference to the accompanying drawings and detailed description in order to reinforce the understanding and cognition to the utility model
Type makes further instructions and introduces.
Embodiment 1: referring to Fig. 1-Figure 12, a kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump, the support
Structure includes auxiliary pump fixed support assembly 1 and auxiliary pump bracket component 2, the auxiliary pump fixed support assembly by groove and protrusion and
Auxiliary pump bracket component assembly connection, the auxiliary pump fixed support assembly include support body 11 and are arranged at support body bottom
The support pedestal 12 in portion, in the support body along the vertical direction on be provided with groove structure 15, be arranged in the support body
There is circular arc notch 13, the support pedestal is set as circular ring shape, welded flange pilot hole 14 is provided in the circular ring shape base,
The auxiliary pump bracket component includes rack body 21, is provided with bulge-structure 22 on the rack body, the bulge-structure with
Groove structure is coupled, be additionally provided on the rack body buckle structure 23, auxiliary pump inlet port bracket 24, inlet port, with
And float lever assembly parts 25, buckle structure 23 are used to constrain the buckle structure of harness.Step is additionally provided in the support body
Structure 16, the step structure are located at the lower section of support body, overhead structure 26, the barb are provided on the rack body
Structure 26 matches with step structure 16., the gap of 0.5mm, the bracket are reserved between the step structure and overhead structure
Jaw structure 27 is additionally provided on ontology, there are interference between the jaw structure and auxiliary pump hold-down support, magnitude of interference is unilateral to be
0.5mm can effectively limit the opposite shaking between auxiliary pump hold-down support and auxiliary pump bracket after assembly in place.
Referring to fig. 2, the material of the auxiliary pump support of the utility model is POM(polyformaldehyde), the POM strength of materials is good, and rigidity is high,
Anti-attrition wearability is good, is unlikely to deform, and the main function of auxiliary pump support is assembled with auxiliary pump, to limit rotation and the axis of auxiliary pump
To play.Due to auxiliary pump support be moulding and part it is longer, if clocking requirement uniform wall thickness, otherwise survive when be easy to produce
Deformation, bad control size.In addition need to consider the manufacture feasibility of moulding in design, avoid can not core pulling the case where.
Circular arc notch is in order to facilitate fixture clamping in welding process in Fig. 2, and 14 structure of annulus pedestal is then to fill with welded flange
It is equipped with and plays fixed function.
Fig. 5 relief structure 22 is fixed to be assembled to limit auxiliary pump with dash area groove structure 15 in Fig. 3 with auxiliary pump
Relative rotation between support.As shown in fig. 6, the size of bulge-structure 22 be 1.6mm, dash area groove structure 15 below compared with
The groove width of narrow portion is that 1.8mm can effectively fix auxiliary pump and auxiliary pump after auxiliary pump bracket and auxiliary pump hold-down support assemble in place
Relative rotation between support controls within ± 1 ° of the margin of tolerance.
Fig. 7 is auxiliary pump bracket cross-sectional view, and Fig. 9,10 are cross-sectional view after auxiliary pump hold-down support and auxiliary pump assembly, barb in Fig. 7
Step structure 16 matches in structure 26 and Fig. 3, and matching result visible Fig. 9 is needed pre- between overhead structure 26 and step structure 16
Stay the gap of about 0.5mm with convenient for assembly, gapless between auxiliary pump frame bottom and auxiliary pump hold-down support.In this way, assembly is in place
Afterwards, the axially opposing movement of auxiliary pump Yu auxiliary pump hold-down support can be effectively limited, and relative movement can control on the left side 0.5mm
It is right.
As shown in Figure 10, jaw structure 27 and auxiliary pump when auxiliary pump hold-down support and auxiliary pump bracket assemble in place, in Fig. 7
There are interference between hold-down support, and magnitude of interference is unilateral 0.5mm, and auxiliary pump hold-down support and pair can be effectively limited after assembly in place
Pump the opposite shaking between bracket.
As shown in figure 11, the specific assembly method of auxiliary pump hold-down support and auxiliary pump bracket are as follows: firstly, by Fig. 5 protrusions knot
Structure 22 is aligned with Fig. 3 dash area groove structure 15, is then up pushed away the hole that auxiliary pump hold-down support passes through auxiliary pump bracket, is being pushed away
During, the extruding that overhead structure 26 will receive auxiliary pump hold-down support in Fig. 7 generates slight deformation, until Step-edge Junction in Fig. 3
When structure 16 has just passed through 26 region of overhead structure, the no longer stress of overhead structure 26 can spring back go back to rapidly origin-location, thus by Fig. 4
Stepped portions block.And when matching in place, as shown in figure 9, between auxiliary pump frame bottom and auxiliary pump hold-down support continuously
Gap, to effectively limit the relative movement of auxiliary pump bracket and auxiliary pump hold-down support.The for another example foregoing description, bulge-structure 22 with it is recessed
Slot structure 15 can effectively limit the relative rotation of auxiliary pump bracket Yu auxiliary pump hold-down support.Figure 11 is auxiliary pump support and auxiliary pump structure
With final assembly result in place.This assembly method can be entirely limited the relative rotation between auxiliary pump support and auxiliary pump structure with
And relative movement.
It should be noted that above-described embodiment, is not used to limit the protection scope of the utility model, on above-mentioned basis
Upper made equivalent substitution or substitution belongs to the protection scope of the utility model claims.
Claims (7)
1. a kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the seat structure includes auxiliary pump
Fixed support assembly and auxiliary pump bracket component, the auxiliary pump fixed support assembly are filled by groove and protrusion with auxiliary pump bracket component
With connection.
2. the seat structure according to claim 1 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the pair
Pumping fixed support assembly includes support body and the support pedestal that support body bottom is arranged in, edge in the support body
It is provided with groove structure on vertical direction, circular arc notch is provided in the support body, the support pedestal is set as annulus
Shape is provided with welded flange pilot hole in the circular ring shape base.
3. the seat structure according to claim 2 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the pair
Pumping bracket component includes rack body, bulge-structure is provided on the rack body, the bulge-structure is matched with groove structure
Close installation.
4. the seat structure according to claim 3 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the branch
Buckle structure, auxiliary pump inlet port bracket, inlet port and float lever assembly parts are additionally provided on frame ontology.
5. the seat structure according to claim 3 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the branch
It is additionally provided with step structure on seat ontology, the step structure is located at the lower section of support body, is provided on the rack body
Overhead structure, the overhead structure match with step structure, between the step structure and overhead structure between reserved 0.5mm
Gap.
6. the seat structure according to claim 3 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that the branch
Jaw structure is additionally provided on frame ontology, there are interference between the jaw structure and auxiliary pump hold-down support, magnitude of interference is unilateral to be
0.5mm。
7. the seat structure according to claim 3 for being applied to assembly saddle-shape fuel tank auxiliary pump, which is characterized in that described convex
The size for playing structure is 1.5-2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290861.8U CN209100175U (en) | 2018-08-12 | 2018-08-12 | A kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290861.8U CN209100175U (en) | 2018-08-12 | 2018-08-12 | A kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100175U true CN209100175U (en) | 2019-07-12 |
Family
ID=67150699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821290861.8U Active CN209100175U (en) | 2018-08-12 | 2018-08-12 | A kind of seat structure applied to assembly saddle-shape fuel tank auxiliary pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100175U (en) |
-
2018
- 2018-08-12 CN CN201821290861.8U patent/CN209100175U/en active Active
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