CN207421745U - A kind of electric motor-driven fuel dispenser single-stage sealing structure - Google Patents
A kind of electric motor-driven fuel dispenser single-stage sealing structure Download PDFInfo
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- CN207421745U CN207421745U CN201721451871.0U CN201721451871U CN207421745U CN 207421745 U CN207421745 U CN 207421745U CN 201721451871 U CN201721451871 U CN 201721451871U CN 207421745 U CN207421745 U CN 207421745U
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- lower connecting
- sealing structure
- connecting rod
- electric motor
- fuel dispenser
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Abstract
The utility model discloses a kind of electric motor-driven fuel dispenser single-stage sealing structure, including：Lower connecting cylinder and lower connecting rod, there is one-way sealing mechanism on the lower connecting rod, there are sealing structure pockets in the lower connecting cylinder, the lower connecting cylinder lower part is connected with valve body, it is described to have top surface and the installation space of the top surface of installation groove formation sealing structure on valve body, the one-way sealing mechanism is located in the installation space of sealing structure, the unidirectional break-make of connecting cylinder axial direction under the lower connecting rod is realized during up and down motion by sealing mechanism, by block with the dynamic bind of valve seat with separating, realize one-way sealing, its sealed reliable, service life is long.
Description
Technical field
The utility model is related to machinery field, more particularly to a kind of electric motor-driven fuel dispenser single-stage sealing structure.
Background technology
For the component mutually moved in the lubricating pump either machinery of mechanical equipment lubrication system, it is required to regular to its
Supplemental lubrication fat or grease up lubrication, with have the function that lubricating system itself or delay mechanical equipment use the longevity
Life reduces failure rate.In the prior art, to lubricating system lubricating pump grease up either in mechanical equipment equipment,
Presently mainly pneumatic oiling equipment, electric oil charging equipment.Pneumatic oiling equipment fault is high, especially also needs to convert its power supply
Refueling operation could be carried out into compressed gas source, noise is very big in entire refueling process, has seriously affected the building ring of operating personnel
Border.Electric oil charging equipment whole volume is bigger, weight is heavier, inconvenient to carry, and failure rate is also higher, therein unidirectional
Sealing structure sealing effect is bad, and the service life is very short.
The content of the invention
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, propose a kind of electric motor-driven fuel dispenser list
Grade sealing structure by the dynamic bind of block and valve seat and separates, realization one-way sealing, sealed reliable, and service life is long.
The purpose of this utility model is realized by following technical proposals：
A kind of electric motor-driven fuel dispenser single-stage sealing structure, including：Lower connecting cylinder and lower connecting rod have on the lower connecting rod
One-way sealing mechanism, the lower connecting cylinder is interior to have sealing structure pockets, and the lower connecting cylinder lower part is connected with valve body, institute
The installation space that top surface and the top surface of installation groove on valve body form sealing structure is stated, the one-way sealing mechanism is located at sealing
In the installation space of structure, the list of connecting cylinder axial direction under the lower connecting rod is realized during up and down motion by sealing mechanism
To break-make.
A kind of electric motor-driven fuel dispenser single-stage sealing structure described in the utility model, the one-way sealing mechanism include baffle ring,
Block and valve seat, the block are set on lower connecting rod, and the baffle ring is fixed on above block.
A kind of electric motor-driven fuel dispenser single-stage sealing structure described in the utility model, the valve seat are connected with valve body, the valve
Between seat and lower connecting rod there is grease to pass through gap.
A kind of electric motor-driven fuel dispenser single-stage sealing structure described in the utility model, the block are moved upwards with lower connecting rod
Realize unlatching of the grease between valve seat and lower connecting rod by gap, the block is moved downward with lower connecting rod, so as to right
Grease between valve seat and lower connecting rod is unidirectionally blocked by gap.
A kind of electric motor-driven fuel dispenser single-stage sealing structure described in the utility model, the block are made of elastic material.
A kind of electric motor-driven fuel dispenser single-stage sealing structure described in the utility model, the radial direction of the baffle ring and lower connecting cylinder it
Between have gap.
According to above-mentioned technical proposal, the beneficial effects of the utility model are：It is proposed a kind of electric motor-driven fuel dispenser single-stage sealing knot
Structure by changing sealing structure, makes rod piece realize the effect of dynamic plugging during up and down motion, and sealing element is this
Without relative motion between block and moving component in application, so that sealing life is longer, sealing is more reliable.
Description of the drawings
Fig. 1 is the schematic views that a kind of electric motor-driven fuel dispenser single-stage sealing structure of the utility model is applied to electric motor-driven fuel dispenser；
Fig. 2 is a kind of electric motor-driven fuel dispenser single-stage sealed structural representation of the utility model；
Fig. 3 is the safety valve signal that a kind of electric motor-driven fuel dispenser single-stage sealing structure of the utility model is applied to electric motor-driven fuel dispenser
Figure.
Specific embodiment
The utility model is further described with reference to specific embodiments and the drawings.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model
If Fig. 1-3 is the implementation that a kind of electric motor-driven fuel dispenser single-stage sealing structure of the utility model is applied to electric motor-driven fuel dispenser
Example, a kind of electric motor-driven fuel dispenser single-stage sealing structure, including：Power set 1, the power set 1 connect with eccentric drive mechanism 2
It connects, the eccentric drive mechanism 2 is connected with work rod piece 5, and 2 lower part of eccentric drive mechanism has connecting seat 3, the work
Rod piece 5 passes through connecting seat 3, and 5 outer cover of work rod piece is equipped with inner cylinder 7, and 7 top of inner cylinder is connected with connecting seat 3, described
Work rod piece 5 includes from top to bottom：Upper connecting rod 51, piston rod 52 and lower connecting rod 53, the inner cylinder 7 include：Upper connecting cylinder
71st, piston cylinder 72 and lower connecting cylinder 73, have one-way sealing mechanism 9 in the lower connecting cylinder 73, under the one-way sealing mechanism 9
Portion is connected with valve body 10, is set with outer steel cylinder 4 outside the inner cylinder 7, outer 4 top of steel cylinder is connected with connecting seat 3, the outer steel
4 lower parts of cylinder are connected with valve body 10, and the lower connecting rod 53 passes through valve body 10, and 53 end set of connecting rod has connecting plate 11,
Oil inlet sleeve 12 is set with outside the connecting plate 11,12 side of oil inlet sleeve has several sleeve fuel feed holes, the piston
52 middle part of bar has perforative piston oil-through hole, and 52 upper and lower end parts of piston rod are respectively provided with the horizontal oil-through hole of horizontal perforation,
The horizontal oil-through hole and piston oil-through hole intersect, and form a part for fuel charger oil circuit, are provided on the connecting seat 3 fuel-displaced
Connector 13, the oil pressure that goes out of the delivery connection 13 are controlled by pressure regulating mechanism, the piston rod 52 and piston cylinder
72 form plunger auxiliary structure by precision-fit, and the pressure regulating mechanism is safety valve 14, and the safety valve 14 includes：Safety
Valve seat 142 and safe valve chest 141 are equipped with steel ball 1413 and hold out against between the emergency valve seat 142 and safe valve chest 141
Spring 1412, described hold out against are equipped with adjusting seat 1411 between spring 1412 and safe valve chest 141, the adjusting seat 1411 passes through
Pressure regulating screw 143 is adjusted, and the pressure regulating screw 143 is arranged on safe valve chest 141, and the pressure regulating screw 143 is
Soket head cap screw has valve seat insert 15, the safe valve chest between the end face of the emergency valve seat 142 and connecting seat 3
There is housing seal circle 1415, between 1411 side of adjusting seat and safe valve chest 141 between 141 sides and connecting seat 3
There is the sealed groove accommodated for one-way sealing mechanism 9, the list with adjusting seat sealing ring 1414, in the lower connecting cylinder 73
/V is carried out by valve body 10 to sealing mechanism 9, the one-way sealing mechanism 9 includes baffle ring 91, block 92 and valve seat 93, described
Valve seat 93 is connected with valve body 10, and the baffle ring 91 and block 92 move up and down with lower connecting rod 53 and opened and closed so as to be realized to valve 93,
One-way flow structure 8 is provided at the top of the piston oil-through hole of the piston rod 52, the one-way flow structure 8 includes：Ball sealer
And holding device, for the ball sealer with being in contact at the top of piston oil-through hole, the holding device is arranged at ball sealer and upper connection
Bar 51 is connected.
The course of work is as follows：
Brushless motor is selected in this embodiment of power set 1, brushless motor drives eccentric drive mechanism 2 to operate, and bias passes
Motivation structure 2 is connected with work rod piece 5, and since eccentric drive mechanism 2 belongs to the prior art, this will not be repeated here, 2 band of eccentric drive mechanism
Dynamic upper connecting rod 51 pumps in inner cylinder 7, and upper connecting rod 51, piston rod 52 and lower connecting rod 53 pass sequentially through screw thread
It is connected as a single entity, so eccentric drive mechanism 2 drives three bars to move together, has connecting plate 11 on lower connecting rod 53, so as to drive
Connecting plate 11 moves, and when connecting plate 11 moves downward namely moves up and down along oil inlet sleeve 12, several sets are provided on oil inlet sleeve
Cylinder fuel feed hole in the range of connecting plate 11 moves to sleeve fuel feed hole namely opens sleeve fuel feed hole, and grease is from sleeve oil inlet
Hole enters, and completes oil-absorbing process.
When the work rod piece 5 of eccentric drive mechanism 2 up moves, connecting plate 11 up moves therewith, and then closure sleeve
Fuel feed hole up conveys grease, and the block 92 in one-way sealing mechanism 9 is also up moved with lower connecting rod 53 at this time, oil
Fat is up walked by the gap between valve seat 93 and lower connecting rod 53, is continued through baffle ring 91 and is up walked, and the baffle ring 91 is triangle
Shape structure, the outer circle of the baffle ring 91 are stuck in the interior along upper of lower connecting cylinder 73, and grease is walked to pass through from triangle sideshake.
When the work rod piece 5 of eccentric drive mechanism 2 moves down, one-way sealing mechanism 9 closes, downward in work rod piece 5
Block 92 is moved downward with lower connecting rod 53 when movement namely lower connecting rod 53 move downward, so as to seal valve seat 93 and lower company
Gap between extension bar 53, so as to fulfill one-way sealing, grease enters in the piston oil-through hole of piston rod 52, and then makes one-way flow
Ball sealer in structure 8 in piston oil-through hole with forming gap, so that grease moves upwards.
When the work rod piece 5 of eccentric drive mechanism 2 up moves again, the ball sealer in one-way flow structure 8, which is closed, lives
Oil-through hole is filled in, grease is extruded at safety valve 14, and so on, forms the grease with certain pressure.
The symmetric position of delivery connection 13 is equipped with safety valve 14, adjusts the pressure of whole system, is set when pressure value is higher by
After definite value, the steel ball 1413 of safety valve 14 is opened, and grease overflows, and the grease of spilling is along between outer steel cylinder 4 and interior steel cylinder 7
Space is flowed back down, and grease is finally flowed to from the aperture of the lower part of outer steel cylinder in grease tank.
By adopting the above-described technical solution, the beneficial effects of the utility model are：It proposes a kind of electric motor-driven fuel dispenser, simplifies
Internal structure, and motor is used to make its small, light-weight, conveniently moving wide adaptation range, piston rod as power source
Coordinated between piston cylinder using precision pair grinding, pump out pressure higher, one-way sealing mechanism performance is stablized, not easy to wear, can pole
The service life of the raising electric motor-driven fuel dispenser of big degree.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of electric motor-driven fuel dispenser single-stage sealing structure, which is characterized in that including：Lower connecting cylinder and lower connecting rod, the lower company
On extension bar there is one-way sealing mechanism, there are sealing structure pockets in the lower connecting cylinder, the lower connecting cylinder lower part connects
Valve body is connected to, it is described to have top surface and the installation space of the top surface of installation groove formation sealing structure, the one-way sealing on valve body
Mechanism is located in the installation space of sealing structure, and the lower connecting rod connects under being realized during up and down motion by sealing mechanism
The unidirectional break-make of connect cylinder axial direction.
2. a kind of electric motor-driven fuel dispenser single-stage sealing structure according to claim 1, it is characterised in that：The one-way sealing machine
Structure includes baffle ring, block and valve seat, and the block is set on lower connecting rod, and the baffle ring is fixed on above block.
3. a kind of electric motor-driven fuel dispenser single-stage sealing structure according to claim 2, it is characterised in that：The valve seat and valve body
Connection between the valve seat and lower connecting rod there is grease to pass through gap.
4. a kind of electric motor-driven fuel dispenser single-stage sealing structure according to claim 3, it is characterised in that：The block is with lower company
Extension bar, which moves upwards, realizes unlatching of the grease between valve seat and lower connecting rod by gap, and the block is downward with lower connecting rod
Movement, so as to unidirectionally be blocked by gap to the grease between valve seat and lower connecting rod.
5. a kind of electric motor-driven fuel dispenser single-stage sealing structure according to claim 4, it is characterised in that：The block is elasticity
Material is made.
6. a kind of electric motor-driven fuel dispenser single-stage sealing structure according to claim 5, it is characterised in that：The radial direction of the baffle ring
There is gap between lower connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451871.0U CN207421745U (en) | 2017-11-03 | 2017-11-03 | A kind of electric motor-driven fuel dispenser single-stage sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721451871.0U CN207421745U (en) | 2017-11-03 | 2017-11-03 | A kind of electric motor-driven fuel dispenser single-stage sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207421745U true CN207421745U (en) | 2018-05-29 |
Family
ID=62307027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721451871.0U Active CN207421745U (en) | 2017-11-03 | 2017-11-03 | A kind of electric motor-driven fuel dispenser single-stage sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207421745U (en) |
-
2017
- 2017-11-03 CN CN201721451871.0U patent/CN207421745U/en active Active
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