CN102032080A - Fuel pump structure - Google Patents
Fuel pump structure Download PDFInfo
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- CN102032080A CN102032080A CN 201010297163 CN201010297163A CN102032080A CN 102032080 A CN102032080 A CN 102032080A CN 201010297163 CN201010297163 CN 201010297163 CN 201010297163 A CN201010297163 A CN 201010297163A CN 102032080 A CN102032080 A CN 102032080A
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- petrolift
- main body
- filter
- sensing device
- suction port
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Abstract
本发明的目的在于提供一种可拆装一次过滤器的燃料泵结构。本发明的燃料泵结构包括：燃料泵主体(8A)，其可拆装地安装在燃料箱上且在端部具备沿轴线(PJ)方向延伸的燃料吸入口(67)；传感装置(17)，其在从燃料泵主体(8A)沿径向延伸的臂部(68)具备检测部(69)；连接部(74)，其安装在燃料泵主体(8A)的燃料吸入口(67)；一次过滤器(16)，其具有从该连接部(74)沿径向延伸的过滤部(75)，一次过滤器(16)通过连接部(74)可拆装地安装在燃料泵主体(8A)的燃料吸入口(67)，并且一次过滤器(16)的过滤部(75)的延伸方向和传感装置(17)的延伸方向设定为相同方向。
The object of the present invention is to provide a fuel pump structure with a detachable primary filter. The fuel pump structure of the present invention includes: a fuel pump main body (8A), which is detachably installed on the fuel tank and has a fuel suction port (67) extending along the axis (PJ) direction at the end; a sensor device (17 ), which is equipped with a detection portion (69) on the arm portion (68) extending radially from the fuel pump main body (8A); a connecting portion (74), which is installed on the fuel suction port (67) A primary filter (16), which has a filter portion (75) extending radially from the connecting portion (74), the primary filter (16) is detachably mounted on the fuel pump main body ( 8A) of the fuel inlet (67), and the extension direction of the filter part (75) of the primary filter (16) and the extension direction of the sensor device (17) are set to the same direction.
Description
Technical field
The present invention relates to a kind of fuel pump structure.
Background technique
The fuel tank of vehicles such as automotive bicycle is equipped with the petrolift of internally-arranged type.This petrolift is made of pump main body, sensing device (sender) and a filter, and for these pump main bodys, sensing device and filter set being dressed up the structure (with reference to patent documentation 1) of one.
Patent documentation 1: TOHKEMY 2004-232572 communique.
In the past, when a filter is safeguarded, petrolift need be pulled down from fuel tank and be maintained.
Yet, the described parts of petrolift are in the past assembled in incorporate mode, when each parts is safeguarded, owing to can only be assembled under the state on the petrolift it is cleaned etc. at them, be difficult to fully to its problem of safeguarding so exist.
If change a filter,, thereby spend maintenance cost because can only be by refuelling pump itself or the parts that are assembled with a filter handling.So, special expectation obtain can be easily to inevitable because of the long-term petrolift structure of using a filter causing mesh to stop up to safeguard.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of petrolift of a dismantled and assembled filter.
In order to reach above-mentioned purpose, the petrolift structure of first scheme of the present invention comprises: petrolift main body (for example petrolift main body 8A in the mode of execution), and it is installed in fuel tank (for example fuel tank 1 in the mode of execution) removably upward and in the end possesses along the fuel suction port (for example fuel suction port in the mode of execution 67) of axis (for example axis PJ in the mode of execution) direction extension; Sensing device (for example sensing device in the mode of execution 17), it possesses detection unit (for example detection unit in the mode of execution 69) at the arm that radially extends from described petrolift main body (for example arm the mode of execution 68); A filter (a for example filter 16 in the mode of execution), it has the joint (for example joint in the mode of execution 74) of the fuel suction port that is installed on described petrolift main body and the filter house (for example filter house the mode of execution 75) that radially extends from this joint, described petrolift structure is characterised in that, a described filter is installed on the described fuel suction port of described petrolift main body removably by described joint, and the bearing of trend of the described arm of the bearing of trend of the described filter house of a described filter and described sensing device is set at equidirectional.
The petrolift structure of alternative plan of the present invention is characterised in that, a described filter comprises the engagement portion (for example claw 80 of mode of execution) that is engaged on described petrolift main body or the sensing device, be connected to the described fuel suction port of described petrolift main body by described joint with a described filter, and with described filter engaging and be fixed on described petrolift main body or the sensing device.
The petrolift structure of third party's case of the present invention is characterised in that, the described joint of a described filter possesses the lip part (for example lip part in the mode of execution 93) that radially extends along described petrolift main body, be provided with bolt at this lip part and penetrate hole (for example penetrating in the mode of execution hole 94), the sensing device main body (for example sensing device main body 64 in the mode of execution) that covers the bottom surface (for example diapire in the mode of execution 82) of described petrolift main body in addition possesses the connect apertures (for example connect apertures in the mode of execution 96) that is located at described fuel suction port periphery, utilizes bolt (for example bolt in the mode of execution 97) to penetrate the hole by described bolt and described connect apertures is installed to a described filter on the described petrolift main body.
The petrolift structure of cubic case of the present invention is characterised in that the extended length of the described filter house of the extended length of the described arm of described sensing device and a described filter is set at roughly the same length.
The petrolift structure of the 5th scheme of the present invention is characterised in that, the described sensing device one lateral deviation heart of described fuel suction port mind-set from described petrolift main body is provided with, and is provided with to the center of described petrolift main body at the described joint of a described filter and extends and be fixed on lip part on petrolift main body or the sensing device main body.
The petrolift structure of the 6th scheme of the present invention is characterised in that, described fuel suction port is to the eccentric setting of the opposition side of described sensing device, a described filter is that the boundary is configured in a side with the center that links described petrolift main body and the line (for example mode of execution center line L) of described fuel suction port, is provided with the lip part that is fixed on the described petrolift main body at described joint at opposite side.
The petrolift structure of the 7th scheme of the present invention is characterised in that, described engagement portion is the claw (for example claw 80A in the mode of execution) that tilts to along the downward direction of the direction of insertion of axis (for example axis J in the mode of execution) direction of described joint, and this claw possesses along the conical surface of a direction of described joint side face (for example conical surface in the mode of execution 98).
Of the present invention the from all directions the petrolift structure of case be characterised in that the described arm of described sensing device is provided with the restricted arm (for example restricted arm in the mode of execution 99) that is made of elastic material of rotation of a direction of the described filter of restriction.
The petrolift structure of the 9th scheme of the present invention is characterised in that, be provided with annular flange portion (for example annular flange portion in the mode of execution 100) in described fuel suction port (for example fuel suction port 67A in the mode of execution), the described joint of a described filter (for example joint 74A in the mode of execution) possesses card when a described filter is installed and ends a plurality of card claw stops (for example extension claw 103 in the mode of execution) on described annular flange portion.
The petrolift structure of the tenth scheme of the present invention is characterised in that, the outer circumferential face of described annular flange portion is provided with the protuberance (for example protuberance in the mode of execution 105) of the taper that upper surface increases gradually to the circumferential direction of described annular flange portion, and this protuberance is between described a plurality of card claw stops.
The invention effect
According to first scheme of the present invention, by a filter is installed on the fuel tank main body removably, can carry out the replacing of a filter, be set at identically by bearing of trend, petrolift is inserted in the fuel tank easily with the bearing of trend of the arm of sensing device with the filter house of a filter.
According to alternative plan of the present invention, a filter can be fixed on petrolift main body or the sensing device.
According to third party's case of the present invention, utilize bolt a filter can be installed on petrolift main body or the sensing device removably.
According to cubic case of the present invention, owing to can carry out the insertion operation of in fuel tank, inserting from a direction, thus insert operation easily.
According to the 5th scheme of the present invention,, can guarantee the installing space of lip part easily by making fuel suction port off-centre.
According to the 6th scheme of the present invention, eccentric and make a filter by making fuel suction port by a side, can reduce by filter to the overhang of petrolift main body periphery and make and install easily.
According to the 7th scheme of the present invention, a filter can be easily fixed to the petrolift main body, and with disposable filtering when the petrolift main body is taken off, can claw easily be pulled down from the petrolift main body along the conical surface by rotating a filter.
According to of the present invention the case from all directions, utilize restricted arm with filter with respect to petrolift main body location and it is not rotated, and when pulling down a filter, make restricted arm generation resiliently deformable to allow a filter rotation.
According to the 9th scheme of the present invention, can a filter card be ended in described fuel suction port by the card claw stop, thereby can make compactness is installed.
According to the tenth scheme of the present invention, can upwards a filter be located with respect to the petrolift main body in week, and if when pulling down a filter, make a filter rotation, because each card claw stop is gone up protuberance gradually more, the card claw stop ends state with respect to the card of annular flange portion and is disengaged, thereby a filter easily can be pulled down from the petrolift main body.
Description of drawings
Fig. 1 is the exploded perspective view of the fuel tank of the embodiments of the present invention.
Fig. 2 be Fig. 1 want portion's enlarged view.
Fig. 3 is the amplification plan view of Fig. 2.
Fig. 4 is the sectional drawing along the foot of Fig. 2.
Fig. 5 be Fig. 4 want portion's enlarged view.
Fig. 6 is the plan view that is equivalent to Fig. 3 of other mode of executions.
Fig. 7 be above-mentioned other mode of executions want the side illustration figure of portion.
Fig. 8 be above-mentioned other mode of executions want the side illustration figure of portion.
Fig. 9 is the exploded perspective view of petrolift.
Figure 10 is the schematic cross section explanatory drawing of wanting portion of first mode of execution.
Figure 11 be first mode of execution the fuel suction port periphery want portion's stereogram.
Figure 12 be first mode of execution the joint periphery want portion's stereogram.
Figure 13 is the figure that is equivalent to Figure 10 of second mode of execution.
Figure 14 is the figure that is equivalent to Figure 10 of the 3rd mode of execution.
Figure 15 is the explanatory drawing of the installation exercise state of expression Figure 14.
Figure 16 is the figure that is equivalent to Figure 10 of the 4th mode of execution.
Figure 17 is the plan view with Figure 16 of a filter perspective.
Figure 18 is the explanatory drawing of the installation exercise state of expression Figure 16.
Figure 19 is the figure that is equivalent to Figure 10 of the 5th mode of execution.
Figure 20 is the plan view with Figure 19 of a filter perspective.
Figure 21 represents the portion that wants of the 6th mode of execution, and wherein (a) is plan view; (b) be plan view; (c) be side view.
Figure 22 is the figure that is equivalent to Figure 10 of the 7th mode of execution.
Figure 23 is the stereogram of the joint of the 8th mode of execution.
Figure 24 is the joint of the 8th mode of execution and the cross sectional illustration figure of fuel suction port.
Figure 25 is the stereogram of the installment state of the joint of the 8th mode of execution and fuel suction port.
Description of reference numerals
1 fuel tank
8A petrolift main body
17 sensing devices
64 sensing device main bodys (sensing device main body)
67,67A fuel suction port
68 arms
69 detection units
74,74A joint
75 filter houses
80 claws (engagement portion)
82 diapires (bottom surface)
93 lip parts
94 bolts penetrate the hole
96 connect apertures
97 bolts
98 conical surfaces
99 restricted arm
100 annular flange portion
103 extend claw (card claw stop)
105 protuberances
The J axis
The PJ axis
The L line
Embodiment
Below, according to Fig. 1 to Fig. 6 first mode of execution of the present invention is described.
For example, the fuel tank 1 of automotive bicycle as shown in Figure 1, the first half 2 and the Lower Half 3 of fuel tank 1 usefulness upper flange part 4 and lower flange 5 welding joint steel plate systems.Be formed with recess 6 at the first half 2, be formed with smooth upper wall 7 at this recess 6.
As shown in Figure 1 to Figure 3, be formed with the insertion mouth 9 of the circle that is used to insert petrolift 8 at upper wall 7.Inserting mouth 9 is formed on by the position of stepped part 10 from upper wall 7 downward single orders.Around insertion mouth 9, be welded with the engaging support 11 that card ends baffle plate 30 described later.Particularly, engaging support 11 is made of the fixed base 13 of the insertion seat 12 of accepting support 30 with card baffle plate 30, and these insert seat 12 and fixed base 13 is that the center is divided into two-part to insert mouth 9.
The stepped part 10 of the upper wall 7 of fuel tank 1 possess from the longitudinally downward longitudinal wall 14 of upper wall 7 and from longitudinal wall 14 along continuous straight runs extend and constitute insert mouthfuls 9 around the pump of petrolift 8 keep face 15.
Be provided with along the configuration direction of insertion seat 12 that constitutes engaging support 11 and fixed base 13 at the upper wall 19 of the top of petrolift 8 assembly department 18 and be connected with fuel feeding tube 20 and be provided with the joiner 21 that is connected not shown connector at opposite side in a side.Fuel feeding tube 20 extend in the outside top assembly department 18 that surpasses petrolift 8 upper wall 19 peripheral part the position and point to the forward end of the foot 32,33 of baffle plate 30 described later, joiner 21 promptly inserts the main body 31 of pointing to baffle plate 30 described later between seat 12 and the fixed base 13 in the inboard of engaging support 11.
Particularly, baffle plate 30 is to possess main body 31 corresponding to fixed base 13 sides of engaging support 11, open the compartment of terrain from the two end part sky of this main body 31 and extend and the parts of its front end and " コ " font that inserts seat 12 corresponding a pair of foots 32,33 to equidirectional.Foot 32,33 extends towards the width of front end with roughly the same length from the base portion of main body 31 sides.The front end both sides of foot 32,33 are lateral buckling upwards all, and the foot 32 of a side has curved part 34, and the foot 33 of opposite side possesses curved part 34 from curved part 34 further upwardly extending location curved parts 35.
What the location was formed with holding down bolt 47 on the curved part 35 penetrates hole 29.The inner edge of the base portion of each foot 32,33 becomes big direction along width obliquely to the inside and increases its width and is connected with main body 31, the base portion side of each foot 32,33 of main body 31 outstanding respectively be provided with outstanding and to the opposition side of the front end of foot 32,33 to the hooking sheet 36 that is offset in the outer part.
At this, set the outstanding length of hooking sheet 36 in the mode that satisfies following requirement, promptly, though the curved part 34 of foot 32,33 and location curved part 35 are inserted into second opening portion 53,54 that 42, the 43 o'clock hooking sheets 36 of first opening portion that insert seat 12 do not engage to fixed base 13, but from beginning to engage to second opening portion 53,54 of fixed base 13 before the curved part 34 of foot 32,33 and location curved part 35 will abut to the supporting slice 44,45 that inserts seat 12 at this butt position hooking sheet 36.
The trailing edge of the main body 31 of baffle plate 30 is divided into both end sides and three parts of center side by two otch 37, is formed with lateral curvature portion 38,38 in both end sides, and being formed with the section that edge part all holds up in center side is the central bend portion 39 of L font.Be formed with the stop hole 40 corresponding at the upper surface of central bend portion 39 with the calvus 55 of the fixed base 13 of engaging support 11.
The insertion seat 12 of engaging support 11 has the supporting slice of holding up from insertion mouth 9 sides at the two ends that are fixed on matrix 41 on the fuel tank 1 and this matrix 41 44,45.
Supporting slice 44,45 possesses from curved part 34 and locatees first opening portion 42,43 that curved part 35 inserts the foot 32,33 of baffle plate 30 respectively and under the state that can swing their cards are ended.Supporting slice 45 further has the location piece 46 that location curved part 35 that extend upward and foot 33 baffle plate 30 overlaps.Penetrate hole 48 what location piece 46 was formed with holding down bolt 47, be welded with the welded nut 49 (with reference to Fig. 3) that holding down bolt 47 is screwed in the inside of location piece 46.
The fixed plate 51,52 that the fixed base 13 of engaging support 11 possesses the matrix 50 that is fixed on the fuel tank 1 and holds up from the insertion mouth 9 side direction top at the two ends of this matrix 50.On fixed plate 51,52, be formed with each second opening portion 53,54 that hooking sheet 36 inserts and the quilt card ends of the foot 32,33 of baffle plate 30.Particularly, second opening portion 53,54 blocks the only hooking sheet 36,36 of foot 32,33 as follows, promptly, the mode that raises up with the baffle plate 30 of first opening portion 42,43 of the insertion seat 12 that will be limited to engaging support 11 makes its resiliently deformable, and at the hooking sheet 36,36 of the foot 32,33 of slide in state moving and the fixed dam 30 that the top assembly department 18 of petrolift 8 are kept face 15 application of forces to the pump of the periphery of the insertion mouth 9 of fuel tank 1.
At this, as shown in Figure 4, the pump that is pressed against fuel tank 1 at the top of petrolift 8 assembly department 18 keeps under the state of face 15, first opening portion 42,43 of insertion seat 12 of engaging support 11 and second opening portion 53,54 of fixed base 13 are positioned at the upper wall 19 that contacted with baffle plate 30 than petrolift 8 more by the place, below, thereby allow to make baffle plate 30 distortion and fixing to the mode of upside projection baffle plate 30.Need to prove, be positioned at the situation of the upper wall 19 that is contacted with baffle plate 30 than petrolift 8 below more leaning on although understand both sides at first opening portion 42,43 and second opening portion 53,54, but as long as at least any one party wherein is positioned at the below.
The central part of the matrix 50 of fixed base 13 is formed with the calvus of holding up in the edge portion that inserts mouthfuls 9 opposition side 55, and this calvus 55 is in the suitable fixed position card of the petrolift 8 that baffle plate 30 is fixed to engaging support 11 ends stop hole 40 at baffle plate 30.
In addition, suitable fixed position at petrolift 8, the location curved part 35 of the foot 33 of baffle plate 30 overlaps with the location piece 46 of the supporting slice 45 of the insertion seat 12 that engages support 11, location curved part 35 penetrate hole 29 and location piece 46 to penetrate hole 48 consistent, insert holding down bolts 47 owing to can penetrate hole 29,48 at each of this intersection, so, then can guarantee petrolift 8 is fixed with carrying out dislocation-free if holding down bolt 47 securely is fixed in welded nut 49.
As shown in Figure 5, the top assembly department 18 of petrolift 8 possess with the pump of fuel tank 1 keep the annulus 23 of face 15 butts, as the lip part that stretches out laterally 24 on the top of this annulus 23.Clamping section between the pump maintenance face 15 of the outer circumferential face 25 of the annulus 23 of petrolift 8 and the upper wall 7 of fuel tank 1 and the longitudinal wall 14 of stepped part 10 is circular annular seal 60.In addition, be provided with section shape between the upper wall 7 of the outer circumferential face 26 of the lip part 24 of petrolift 8 and fuel tank 1 and be sealed member 61 in the ring-type of downside bifurcated.
Sealed member 61 possesses outboard flanges portion 62 between the outer surface of upper wall 7 of the outer circumferential face 26 of the lip part 24 that enters petrolift 8 and fuel tank 1, enter the medial flange portion 63 between the longitudinal wall 14 of the outer circumferential face 26 of lip part 24 of petrolift 8 and stepped part 10.
Therefore, petrolift 8 is being installed under the situation of fuel tank 1, insert a filter 16, buoyancy aid 65 and the sensing device 17 of petrolift 8 from the top of the insertion mouth 9 of fuel tank 1, and make the pump of upper wall 7 of lower surface butt fuel tank 1 of annulus 23 of the top assembly department 18 of petrolift 8 keep face 15.
Then, control lateral curvature portion 38, the central bend portion 39 of the main body 31 of baffle plate 30, and after curved part 34, location curved part 35 with the foot 32,33 of baffle plate 30 insert and engage to first opening portion 42,43 that inserts seat 12 respectively, the main body 31 of baffle plate 30 is pressed into solid line position from the dotted line position of Fig. 4, and make the mode bending of baffle plate 30 to raise up, the hooking sheet 36,36 of base portion that is located at the foot 32,33 of baffle plate 30 is slided and is limited to second opening portion 53,54 of fixed base 13 to the opposite side of the direction of insertion of foot 32,33 slightly.
Then, holding down bolt 47 securely is fixed on welded nut 49 places, thereby fixes in position with can guaranteeing petrolift 8 dislocation-free.
Below, according to Fig. 6 to Fig. 8, the baffle plate 30 of replacing first mode of execution is described and uses the example of baffle plate 30 '.
Present embodiment be to use to the engaging support 11 of described mode of execution and baffle plate 30 carry out after changing engaging support 11 ' and the structure of baffle plate 30 '.Owing to the parts structure in addition of being correlated with these engaging supports 11 ' and baffle plate 30 ' is identical with described first mode of execution, thus give identical symbol to identical part, and omission is described.
Engaging support 11 ' is made of insertion seat of cutting apart 12 ' and fixed base 13 '.Possess matrix 41 and supporting slice 44,45 though insert seat 12 ', be not formed with the location piece 46 of first mode of execution.Be formed with first opening portion 42,43 at supporting slice 44,45.Fixed base 13 ' possesses a pair of fitting seat 70 at matrix 50 ', and the stud bolt 73 that is fastened with nut 71 is installed in the inboard of fitting seat 70.
Baffle plate 30 ' is to make foot 32 ', 33 ' from main body 31 ' the extended parts, though be provided with curved part 34,34 at foot 32 ', 33 ' front end, be not formed with the location curved part 35 of first mode of execution in foot 33 '.Foot 32 ', 33 ' directly extends with original width from main body 31 ', and does not have the hooking sheet 36 of first mode of execution.Foot 32 ', 33 ' and the bight of main body 31 ' be formed with stud bolt 73 penetrate hole 72.Nut 71 links from fitting seat 70 tops and the stud bolt 73 of fixed base 13 '.
Therefore, in the present embodiment, petrolift 8 is being installed under the situation of fuel tank 1, insert a filter 16, buoyancy aid 65 and the sensing device 17 of petrolift 8 from the top of the insertion mouth 9 of fuel tank 1, and the pump that the lower surface of the annulus 23 of the top assembly department 18 of petrolift 8 abuts to the upper wall 7 of fuel tank 1 is kept face 15.
Then, after the foot 32 ' of baffle plate 30 ', 33 ' curved part 34,34 are inserted and engage to first opening portion 42,43 that inserts seat 12 ' respectively, the main body 31 ' of baffle plate 30 ' is depressed, after making baffle plate 30 ' with the mode bending that raises up, with the foot 32 ' of baffle plate 30 ', 33 ' and hole 72, the 72 outstanding stud bolts 73,73 that penetrate from fitting seat 70 in the bight of main body 31 ' get final product with nut 71,71 bindings.
Though petrolift 8 by described baffle plate 30,30 ' so that removable mode is installed on fuel tank 1 from the top, but to shown in Figure 12, petrolift 8 possesses the petrolift main body 8A of the fuel suction port 67 with the tubular that extends along the axis PJ direction of petrolift 8 in the underpart as Fig. 9.
Particularly, as Figure 10, shown in Figure 12, a filter 16 possesses the joint 74 of tubular at the upper surface 76 of filter house 75.Have stepped part 77 at joint 74, stepped part 77 links to each other with intercommunicating pore 78.At the outer circumferential face 79 of joint 74, on the direction of the bearing of trend of the arm 68 of filter 16 and sensing device 17, be provided with a pair of claw 80 that is fastened on the sensing device main body 64 of the tubular that becomes one with petrolift main body 8A.Claw 80,80 possesses on the axis J of joint 74 direction the plane of inclination 81 that tilts to respect to the downward direction of direction of insertion to the fuel suction port 67 of petrolift main body 8A, and this plane of inclination 81 is right-angled triangle under side-looking.
As Figure 10, shown in Figure 11, the fuel suction port 67 of petrolift main body 8A is to connect the diapire 82 of sensing device main body 64 of sensing device 17 and the parts of outstanding tubular, it is entrenched in the inside of the joint 74 of a filter 16 under the state that O shape circle 83 is installed in outer circumferential face 84, and the bottom surface 85 of butt stepped part 77.O shape is enclosed 83 driving fits between the outer circumferential face 84 of the inner peripheral surface 86 of the joint 74 of a filter 16 and fuel suction port 67 and with the two sealing.At this, fuel suction port 67 is the mind-set sensing device 17 lateral deviation hearts from petrolift main body 8A.
The direction of keeping straight on along the bearing of trend of the arm 68 of filter 16 and sensing device 17 at the diapire 82 of the baffle plate main body 64 of baffle plate 17 is provided with a pair of card and ends wall 87,87, joins with the outer circumferential face 79 at a side filter 16 places and joint 74.End wall 87 at each card and be provided with the card complex hole 88 of accommodating and blocking the claw 80 of the joint 74 that ends a filter 16.Thus, will be fixed on the petrolift main body 8A if the joint 74 of a filter 16 is inserted 67, filters 16 of fuel suction port of petrolift main body 8A from the outside.
According to first mode of execution, replacing and maintenance for a filter 16, if pull down baffle plate 30,30 ' and remove petrolift 8, because a filter 16 is removable with respect to petrolift main body 8A, so can carry out the replacing of a filter 16 from fuel tank 1.In addition, because the bearing of trend of the filter house 75 of a filter 16 is set at the identical direction of bearing of trend with the arm 68 of sensing device 17, and with the length setting of the two is basic identical, so after maintenance, filter 16 of replacing, can carry out the insertion operation of petrolift 8 in fuel tank 1 from a direction side, thus operation easily.
In addition, because the card that can be on one side each claw 80 of the joint 74 of a filter 16 be engaged to the fuel suction port 67 of petrolift main body 8A ends each card complex hole 88 of wall 87, joint 74 is fixed to fuel suction port 67 on one side, so can a filter 16 be fixed to petrolift main body 8A by once-through operation.
Below, quote Fig. 1 to Fig. 9 and second mode of execution of the present invention is described according to Figure 13.The card that present embodiment is ended sensing device 17 sides in the wall 87,87 with the card of first mode of execution ends wall 87 and is set to extend to the card that protruding terminus that another card ends wall 87 forms the L type from the perisporium 91 of sensing device main body 64 with long span and ends wall 90.End the ending the corresponding position of wall 87 with card and be formed with card complex hole 88 of longitudinal wall of wall 90 at card.At this, wall 90 will be located at more in the outer part by only blocking, and correspondingly make fuel suction port 67 be configured in sensing device 17 sides prejudicially.
In the present embodiment too, the claw 80,80 of the joint 74 by making a filter 16 is engaged to card and ends the card complex hole 88,88 that wall 87 and card end wall 90, can simply a filter 16 be fixed to petrolift main body 8A with once-through operation, and when a filter 16 pulled down, owing to can correspondingly guarantee to increase amount of deflection by blocking the extended length lengthening that ends wall 90, so easily a filter 16 is pulled down.Need to prove because other structures and the effect identical with first mode of execution, so to same section give identical symbol and the omission be described.
Below, quote Fig. 1 to Fig. 9 and the 3rd mode of execution of the present invention is described according to Figure 14, Figure 15.The card that present embodiment is replaced first mode of execution ends wall 87,87 and possesses at the outer circumferential face 79 of the joint 74 of a filter 16 radially particularly is to have a lip part 93 that bolt penetrates hole 94 to what extended at the center radially of petrolift main body 8A to petrolift main body 8A, corresponding to lip part 93, be that the periphery as the fuel suction port 67 of the diapire 82 of sensing device main body 64 in the present embodiment is provided with the fitting seat 95 that possesses connect apertures 96 in the bottom surface of petrolift main body 8A.At this, lip part 93 extends to bolt and penetrates hole 94 from the outstanding position of the lateral margin of filter house 75.
At this, fuel suction port 67 is arranged to the mind-set sensing device 17 lateral deviation hearts from petrolift main body 8A.
Also be in the present embodiment, can use bolt 97 with a filter 16 simply with respect to petrolift 8A dismounting, so and because the position of bolt 97 is carried out the dismounting operation of bolt 97 easily near the central part of petrolift main body 8A.Certainly, as shown in figure 15, with above-mentioned mode of execution in the same manner, owing to the bearing of trend of the filter house 75 of a filter 16 be set at the direction identical with the bearing of trend of the arm 68 of sensing device 17 and be basic identical with the two length setting, so can carry out the insertion operation of petrolift 8, thereby operation easily from a direction side from the insertion mouth of fuel tank 1.Need to prove because other structures and the effect identical with first mode of execution, so to identical part give identical symbol and the omission be described.
Below, quote Fig. 1 to Figure 10 and the 4th mode of execution of the present invention is described according to Figure 16 to Figure 18.Present embodiment is with fuel suction port 67 and the only eccentric setting of opposition side of position mind-set sensing device 17 from petrolift 8A of wall 87,87 of card of the petrolift 8A of mode of execution shown in Figure 10.
Therefore, as shown in figure 17, according to present embodiment, each card that each claw 80 of the joint 74 of a filter 16 can be engaged to the fuel suction port 67 of petrolift main body 8A ends the card complex hole 88 of wall 87, and makes filter 16 be inferior limit from petrolift main body 8A stretching out laterally under the state that joint 74 is fixed on fuel suction port 67.
Therefore, as shown in figure 18, the overhang of the filter house 75 by reducing by a filter 16 when carrying out petrolift 8 from the insertion operation of the insertion mouth 9 of fuel tank 1, can make under a filter 16 does not constitute the state of obstruction and insert operation and become easy.Need to prove and since other structure and the effect identical with first mode of execution, so to identical part give identical symbol and the omission be described.
Below, quote Fig. 1 to Fig. 9 and the 5th mode of execution of the present invention is described according to Figure 19, Figure 20.Present embodiment and the 4th mode of execution are same, with eccentric setting of opposition side of the position of the fuel suction port 67 of petrolift main body 8A mind-set and sensing device 17 from petrolift main body 8A.And, filter 16 is that configuration is put to a lateral deviation by the boundary with the center that links petrolift main body 8A and the line L of fuel suction port 67, and bolt is penetrated on the direction of lip part 93 L craspedodromes along the line that joint 74 places that hole 94 is located at a filter 16 are fixed to petrolift main body 8A and from position that the outer rim of a filter 16 is extended laterally at opposite side.On the diapire 82 of sensing device main body 64, be provided with fitting seat 95 accordingly with lip part 93.
Then, be installed to the fuel suction port 67 of petrolift main body 8A by O shape circle 83 joints 74 with a filter 16, and the connect apertures 96 that makes the fitting seat 95 of sensing device main body 64 penetrates hole 94 with the bolt that is located at lip part 93 and aligns, penetrate bolt 97 then lip part 93 is attached to fitting seat 95, thereby a filter 16 is fixed on the petrolift main body 8A.
Therefore, according to present embodiment, same with the 4th mode of execution, because eccentric setting of opposition side with position mind-set sensing device 17 from petrolift main body 8A of the fuel suction port 67 of petrolift main body 8A, so pass through the overhang of the filter house 75 of a filter 16 of minimizing, when carrying out petrolift 8, can under a filter 16 does not constitute the state of obstruction, make and insert operation and become easy from the insertion of the insertion mouth 9 of fuel tank 1 operation.
And, No. one time filter 16 is that configuration is put to a lateral deviation by the boundary with the center of binding petrolift main body 8A and the line L of fuel suction port 67, the direction that is fixed to the lip part 93 L craspedodromes along the line of petrolift main body 8A at opposite side at joint 74 places of a filter 16 is extended laterally from the outer rim of a filter 16, and be provided with in this part and penetrate hole 94, thereby can under not reconstructing the state of obstruction, a filter 16 easily carry out the binding operation of bolt 97.
Therefore, even control the structure of stretching out of a filter 16, also can end the mounting structure that adopts under the state of wall 87 based on lip part 93 at the sort of card of the Figure 16 that does not use the 4th mode of execution.Need to prove, because other structure and effect are identical with first mode of execution, thus give identical symbol to identical part, and omission is described.
Below, quote Fig. 1 to Figure 10 and the 6th mode of execution of the present invention is described according to Figure 21.Present embodiment is to the structure after claw 80 improvement of the joint 74 that is located at a filter 16 as the first mode of execution representative.Figure 21 (a) is the plan view that possesses the joint 74 of the claw 80A after the improvement, and Figure 21 (b) is the plan view of Figure 21 (a), and Figure 21 (c) is a side view.Present embodiment can also be applicable to all mode of executions that possess described claw 80 not only applicable to first mode of execution.
Shown in Figure 21 (a), same with the claw 80 of first mode of execution shown in Figure 10, observe from the side at claw 80A and be formed with plane of inclination 81A, but, shown in Figure 21 (b), become the conical surface 98 that the direction (being left hand direction in the present embodiment) along joint 74 side faces increases gradually from the outer circumferential face 79 of joint 74 overlooking following this plane of inclination 81A.
In the present embodiment, owing to be provided with plane of inclination 81A at claw 80A, so by plane of inclination 81A guiding can with upward to little power be engaged to the only card complex hole 88 of wall 87 of card swimmingly, thereby a filter 16 can be easily fixed to petrolift main body 8A, and with filter 16 when petrolift main body 8A takes off, by filter 16 can be taken off claw 80A from the card complex hole 88 that card ends wall 87 along the conical surface 98 in the horizontal direction along the dextrorotation direction rotation of Figure 21 (b), thereby can easily a filter 16 be pulled down from petrolift main body 8A.
Below, quote Fig. 1 to Figure 10, Figure 21 (a) and (b) and the 7th mode of execution of the present invention is described according to Figure 22.
Present embodiment is the structure that is provided with restricted arm 99 at the arm 68 of the sensing device 17 of first mode of execution shown in Figure 10 of the claw that possesses Figure 22, and the elastic material (rubber etc.) of the position that the circle round track of this restricted arm 99 when extending to and installing a filter 16 interferes constitutes.
The a pair of card of both sides configuration of accommodating and being fastened on the fuel suction port 67 of petrolift main body 8A at the claw 80A of the joint 74 of a filter 16 ends under the state of card complex hole 88 of wall 87, and the lateral margin of the filter house 75 of a filter 16 of restricted arm 99 butts also limits the rotation of a direction (being dextrad among Figure 21 (b)) of a filter 16.
According to present embodiment, after a filter 16 is inserted into fuel suction port 67 by make its dextrorotation to restricted arm 99 butts till, a filter 16 can be installed to the appropriate location that claw 80A accommodates card complex hole 88, thus easily operation.
In addition, with filter 16 when petrolift main body 8A pulls down, if make a filter 16 more to right rotation, then resiliently deformables take place and allow the rotation of a filter 16 in restricted arm 99, constantly begin the edge that claw 80A compresses card complex hole 88 to be pressed off only wall 87 of card in rotation by the conical surface 98 of claw 80A, therefore claw 80A easily throws off from card complex hole 88, thereby can simply a filter 16 be pulled down from petrolift main body 8A.Need to prove and since other structure and the effect identical with first mode of execution, so to identical part give identical symbol and the omission be described.
Below, quote Fig. 1 to Figure 10 and the 8th mode of execution of the present invention is described according to Figure 23 to Figure 25.As the first mode of execution representative, present embodiment is the structure after the linkage structure based on the claw 80 of the fuel suction port 67 of the joint 74 of a filter 16 and petrolift main body 8A is improved.Therefore, present embodiment is applicable to a plurality of mode of executions that possess above-mentioned mounting structure.
Shown in Figure 23,24, be provided with annular flange portion 100 at the outer circumferential face 84 of the fuel suction port 67A of petrolift main body 8A.In addition, the joint 74A of a filter 16 ora terminalis 101 on the joint 74 of first mode of execution shown in Figure 10 is provided with the surrounding wall portion 102 of ring-type along outer circumferential face 79, this surrounding wall portion 102 equally spaced be provided with four extend claws 103 ...Extend claw 103 cards and end annular flange portion 100, between the outer circumferential face 84 of the internal surface of ora terminalis 101 on the joint 74A and surrounding wall portion 102 and fuel suction port 67A, be formed with the assembly department of O shape circle 83 at the downside of annular flange portion 100 at fuel suction port 67A.
As shown in figure 25, be provided with the protuberance 105 of the taper that upper surface raises gradually towards the circumferential direction (left-hand) of annular flange portion 100 at the outer circumferential face 104 of annular flange portion 100, this protuberance 105 is between a plurality of extension claws 103.When the height setting of this protuberance 105 extends claw 103 for the highest part arrives, extend the height that claw 103 is thrown off from annular flange portion 100.
Therefore, according to present embodiment, can be with filter 16 with respect to petrolift main body 8A in circumferential location, and when pulling down a filter 16, if from above a filter 16 is rotated to the dextrorotation direction under the situation of observing, each extend claw 103 ... the inside will go up protuberance 105 more and open gradually, end state thereby remove the card that extends 103 pairs of annular flange portion 100 of claw, therefore a filter 16 can be pulled down from petrolift main body 8A simply.
Need to prove, the invention is not restricted to above-mentioned mode of execution, for example can also be applied to the fuel tank of the fuel tank various vehicles in addition of automotive bicycle.
In addition, though it is that example is illustrated that the card that is fixed to sensing device main body 64 with the engagement portion with a filter 16 ends the situation of wall 87, fitting seat 95, but also can end wall 87, fitting seat 95, thereby a filter 16 is fixed on the petrolift main body 8A at the card that petrolift main body 8A is provided with a filter 16.
Claims (10)
1. petrolift structure, it comprises:
The petrolift main body, it is installed on the fuel tank removably and possesses along the fuel suction port of axial direction extension in the end;
Sensing device, it possesses detection unit at the arm that radially extends from described petrolift main body;
A filter, it has the joint of the fuel suction port that is installed on described petrolift main body and the filter house that radially extends from this joint,
Described petrolift structure is characterised in that,
A described filter is installed on the described fuel suction port of described petrolift main body removably by described joint, and the bearing of trend of the described arm of the bearing of trend of the described filter house of a described filter and described sensing device is set at equidirectional.
2. petrolift structure as claimed in claim 1 is characterized in that,
A described filter comprises the engagement portion that is engaged on described petrolift main body or the sensing device, be connected to the described fuel suction port of described petrolift main body by described joint with a described filter, and with described filter engaging and be fixed on described petrolift main body or the sensing device.
3. petrolift structure as claimed in claim 1 is characterized in that,
The described joint of a described filter possesses the lip part that radially extends along described petrolift main body, be provided with bolt at this lip part and penetrate the hole, the sensing device main body that covers the bottom surface of described petrolift main body in addition possesses the connect apertures that is located at described fuel suction port periphery, utilizes bolt to penetrate the hole by described bolt and described connect apertures is installed to a described filter on the described petrolift main body.
4. petrolift structure as claimed in claim 1 is characterized in that,
The extended length of the described filter house of the extended length of the described arm of described sensing device and a described filter is set at roughly the same length.
5. petrolift structure as claimed in claim 1 is characterized in that,
The described sensing device one lateral deviation heart of described fuel suction port mind-set from described petrolift main body is provided with, and is provided with to the center of described petrolift main body at the described joint of a described filter and extends and be fixed on lip part on petrolift main body or the sensing device main body.
6. petrolift structure as claimed in claim 1 is characterized in that,
Described fuel suction port is to the eccentric setting of the opposition side of described sensing device, a described filter is that the boundary is configured in a side with the center that links described petrolift main body and the line of described fuel suction port, is provided with the lip part that is fixed on the described petrolift main body at described joint at opposite side.
7. petrolift structure as claimed in claim 2 is characterized in that,
Described engagement portion is the claw that tilts to along the downward direction of the direction of insertion of the axial direction of described joint, and this claw possesses along the conical surface of a direction of described joint side face.
8. petrolift structure as claimed in claim 7 is characterized in that,
The described arm of described sensing device is provided with the restricted arm that is made of elastic material of rotation of a direction of the described filter of restriction.
9. petrolift structure as claimed in claim 1 is characterized in that,
Be provided with annular flange portion in described fuel suction port, the described joint of a described filter possesses card when a described filter is installed and ends a plurality of card claw stops on described annular flange portion.
10. petrolift structure as claimed in claim 9 is characterized in that,
The outer circumferential face of described annular flange portion is provided with the protuberance of the taper that upper surface increases gradually to the circumferential direction of described annular flange portion, and this protuberance is between described a plurality of card claw stops.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-228437 | 2009-09-30 | ||
| JP2009228437A JP5280329B2 (en) | 2009-09-30 | 2009-09-30 | Fuel pump structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102032080A true CN102032080A (en) | 2011-04-27 |
| CN102032080B CN102032080B (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010297163 Active CN102032080B (en) | 2009-09-30 | 2010-09-28 | fuel pump structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5280329B2 (en) |
| CN (1) | CN102032080B (en) |
| BR (1) | BRPI1003361B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777298A (en) * | 2012-08-19 | 2012-11-14 | 广西淞森车用部件有限公司 | Novel fuel filter net device |
| CN103925130A (en) * | 2013-01-15 | 2014-07-16 | 爱三工业株式会社 | Mounting Structure Of Fuel Filter |
| CN115704351A (en) * | 2021-08-13 | 2023-02-17 | 济南轻骑铃木摩托车有限公司 | Novel gasoline pump filter screen device and gasoline pump |
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| JP5345570B2 (en) * | 2010-02-04 | 2013-11-20 | 株式会社ミツバ | Fuel supply device |
| JP5732178B2 (en) * | 2012-09-12 | 2015-06-10 | 株式会社ミツバ | Fuel supply device |
| KR101450622B1 (en) * | 2013-12-05 | 2014-10-15 | 주식회사 코아비스 | Strainer of fuel pump and manufacturing method thereof |
| JP6380364B2 (en) | 2015-12-17 | 2018-08-29 | 株式会社デンソー | Fuel pump and fuel pump module |
| JP6380363B2 (en) * | 2015-12-17 | 2018-08-29 | 株式会社デンソー | Fuel pump unit |
| JP2018122684A (en) * | 2017-01-31 | 2018-08-09 | 株式会社Fts | Fuel tank |
| JP6722797B2 (en) * | 2018-09-27 | 2020-07-15 | 株式会社ケーヒン | Fuel supply device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5280329B2 (en) | 2013-09-04 |
| JP2011074865A (en) | 2011-04-14 |
| BRPI1003361B1 (en) | 2020-06-02 |
| BRPI1003361A2 (en) | 2013-01-29 |
| CN102032080B (en) | 2013-01-23 |
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