CN207212603U - Plunger pump - Google Patents
Plunger pump Download PDFInfo
- Publication number
- CN207212603U CN207212603U CN201721188454.1U CN201721188454U CN207212603U CN 207212603 U CN207212603 U CN 207212603U CN 201721188454 U CN201721188454 U CN 201721188454U CN 207212603 U CN207212603 U CN 207212603U
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- belt pulley
- groove
- piece
- bent axle
- slippage slot
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Abstract
The utility model discloses a kind of plunger pump, including casing, boss, bent axle, belt pulley, abutting plate, position-limit mechanism.Boss is arranged on wall box, and crank rotation is connected in casing, and end of the bent axle away from casing through boss and protrudes from the end face of boss, and pulley key is connected on bent axle lateral wall and contradicted with the end face of boss.Abut plate and be hinged on bent axle and limited by position-limit mechanism and rotate, left for being abutted with belt pulley end face and then limiting it from bent axle.This plunger pump has the advantage changed without instrument to belt pulley.
Description
Technical field
Pump field is the utility model is related to, more particularly to a kind of plunger pump.
Background technology
At present, notification number is that CN205895522U Chinese patent discloses a kind of reciprocating note water pump, and it includes bent axle
Case, the bent axle for being arranged on crankcase, the belt pulley being arranged on bent axle.Belt pulley is driven by motor and then drives reciprocating water filling
Pump work, but belt pulley can be gradually worn out during V belt translation causes transmission failure, it is necessary to be changed to belt pulley.But
It is the end that belt pulley is typically fixedly connected on bent axle by screw, change needs to back out just enter by screw by spanner every time
Row changes belt pulley, wastes time and energy in the extreme.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of plunger pump, it has to skin
Belt wheel dismounting is convenient, time saving and energy saving advantage.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of plunger pump, including
Casing, the bent axle being rotatably connected in casing, key connection are used for the belt pulley for driving Crankshaft motion on bent axle, the casing
Side wall is provided with the boss for being used for contradicting with belt pulley, and end of the bent axle away from casing is through boss and protrudes from the end of boss
Face, is provided with standing groove on the bent axle lateral wall, and standing groove is through end face of the bent axle away from casing, inside the standing groove
It is be hinged to abut plate, abut plate and abut to limit axial movement with belt pulley end face, be provided with the standing groove and supported for limitation
The position-limit mechanism that fishplate bar produces from pulley side.
Pulley key is connected on bent axle, it is necessary to when installing belt pulley and limits its circumference turn by Pass through above-mentioned technical proposal
It is dynamic, and the end face of belt pulley and the end face of boss is contradicted and is limited its axial movement towards casing direction, then driving abuts
Plate abuts and limited with position-limit mechanism the rotation for abutting plate with the end face of belt pulley, and casing side is faced away from so as to limit belt pulley
To axial movement.When needing dismantling belt pulleys, control position-limit mechanism is not spacing to abutting plate, and drives and abut plate away from be hinged
Point end face away from pulley side rotation, then driving belt pulley towards away from casing direction move, realize belt pulley with
Bent axle separates.Therefore, belt pulley assembly and disassembly and change without instrument, it is time saving and energy saving.
Preferably, the standing groove bottom land is provided with the first slippage slot, is set in the abutting side wall of the plate away from belt pulley
The second slippage slot is equipped with, the position-limit mechanism is connected to second including sliding first piece be connected in the first slippage slot, sliding
Second piece in slippage slot at the same with first piece and second piece of be hinged connecting rod, be arranged in the first slippage slot and with
One piece of side wall offsets to limit first piece of first locating part for facing away from pulley side motion.
Pass through above-mentioned technical proposal, position-limit mechanism limitation abut end of the plate away from pin joint and face away from pulley side
During rotation, rotate and abut plate and is abutted with belt pulley end face, during abutting strip move first piece along the first slippage slot towards belt
A lateral movement is taken turns, is abutted until first piece with the side wall of the first slippage slot, now the first locating part and first piece of conflict and then limit
Make it and face away from pulley side motion.
Preferably, the bottom land of first slippage slot is provided with the first groove, and first locating part is connected to including sliding
In first groove for abutted with first piece of side wall wedge, be arranged on the first groove bottom land and be used for the bullet that is connected with wedge
Spring.
Pass through above-mentioned technical proposal, when being abutted with the side wall of the first slippage slot for first piece, Spring driving wedge is from
Eject in one groove and abutted with first piece of side wall, pulley side fortune is faced away from along the first slippage slot so as to limit first piece
It is dynamic.
Preferably, the first stopper slot is provided with the side wall of first slippage slot, is set on described first piece of lateral wall
The first sliding block for being connected with the sliding of the first stopper slot is equipped with, it is spacing to be provided with second in the side wall of second slippage slot
Groove, it is provided with described second piece of lateral wall for the second sliding block with the sliding connection of the second stopper slot.
Pass through above-mentioned technical proposal, the first sliding block and the sliding of the first stopper slot on first piece connect, so as to limit first
Block moves away from the first slippage slot direction, and the second sliding block and the sliding of the second stopper slot on second piece connect, so as to limit second
Block moves away from the second slippage slot direction.
Preferably, it is provided with the end face of the belt pulley for the second groove for abutting plate interlocking.
Pass through above-mentioned technical proposal, plate interlocking is abutted in the second groove, belt pulley can be limited and be circumferentially rotated with respect to bent axle,
Ensure the relative position of abutting plate and belt pulley.During pulley rotation, driving force passes through the second groove and the interlocking, the belt that abut plate
The key connection of wheel and bent axle drives Crankshaft motion.
Preferably, the notch edge of second groove is provided with for abutting plate away from hinge with abutting plate abutting and then limiting
One end of contact deviates from the second locating part that the second groove rotates.
Pass through above-mentioned technical proposal, plate interlocking is abutted in the second groove, the second locating part is with abutting plate conflict and then limiting
Abut the one end of plate away from pin joint to rotate away from the second groove so that abut plate and keep state of the interlocking in the second groove.
Preferably, second locating part includes being arranged on the locating dowel at the second groove notch edge, is arranged in locating dowel
For the flexure strip with abutting plate abutting.
Pass through above-mentioned technical proposal first pushes flexure strip aside, it is necessary to when will abut plate interlocking in the second groove, and will abut
Plate is embedded in the second groove, flexure strip is left with abutting the end face conflict of plate and then limiting abutting plate from the second groove.
In summary, the utility model having the beneficial effect that in contrast to prior art：Belt pulley dismounting facility, time saving province
Power；Second locating part is produced with abutting plate conflict with limiting abutting plate from pulley side jointly with position-limit mechanism, and then is limited
Belt pulley deviates from the axial movement of casing side.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment, for showing the external structure of embodiment；
Fig. 2 is the local dynamic station schematic diagram of embodiment, for showing that abutting plate is hinged in standing groove；
Fig. 3 is the partial structural diagram of embodiment, for showing position-limit mechanism；
Fig. 4 is Fig. 3 A portions enlarged drawing, for showing the second locating part.
Reference：1st, casing；2nd, bent axle；3rd, belt pulley；4th, boss；5th, standing groove；6th, plate is abutted；7th, position-limit mechanism；
71st, first piece；72nd, second piece；73rd, connecting rod；74th, the first locating part；741st, wedge；742nd, spring；8th, the first slippage slot；
9th, the second slippage slot；10th, the first groove；11st, the first stopper slot；12nd, the second stopper slot；13rd, the first sliding block；14th, the second sliding block；
15th, the second groove；16th, the second locating part；161st, locating dowel；162nd, flexure strip.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig.1 and 2, a kind of plunger pump includes casing 1, boss 4, bent axle 2, belt pulley 3, abutting plate 6, position restrainer
Structure 7.Boss 4 is arranged in the side wall of casing 1, and bent axle 2 is rotatably connected in casing 1, and boss is run through in an end of bent axle 2
4 and the end face of boss 4 is protruded from, the key connection of belt pulley 3 contradicts on the lateral wall of bent axle 2 and with the end face of boss 4.Abut plate 6
It is hinged on bent axle 2 and itself is limited by position-limit mechanism 7 and rotated around pin joint, for abuts and then limiting with the end face of belt pulley 3
Axial movement of the belt pulley 3 processed along bent axle 2.
When needing to install belt pulley 3, the key connection of belt pulley 3 is limited it on bent axle 2 and circumferentially rotated, and makes belt pulley 3
The end face of end face and boss 4 contradict and limit its axial movement towards the direction of casing 1, then driving abuts plate 6 and belt pulley 3
End face abut and use position-limit mechanism 7 limitation abut plate 6 rotation, so as to limit the axle that belt pulley 3 faces away from the direction of casing 1
To motion.When needing the dismounting of belt pulley 3, operation position-limit mechanism 7 is released to abutting the spacing of plate 6, and drives abutting plate 6 is remote to cut with scissors
The end of contact faces away from the rotation of the side of belt pulley 3, and then driving belt pulley 3 is moved towards away from the direction of casing 1, realizes belt
Wheel 3 separates with bent axle 2.Therefore, belt pulley 3 assembly and disassembly and change without instrument, it is more convenient.
Fig. 3 and Fig. 4 are refer to, standing groove 5 is provided with the lateral wall of bent axle 2, standing groove 5 is through bent axle 2 away from belt pulley 3
End face.The pin joint for abutting plate 6 is located in standing groove 5, and the bottom land of standing groove 5 is provided with the first slippage slot 8, the first slippage slot 8
Madial wall on be provided with the first stopper slot 11.It is hinged with standing groove 5 and abuts plate 6, abuts the end face that plate 6 deviates from belt pulley 3
On be provided with the second slippage slot 9, the second stopper slot 12 is provided with the side wall of the second slippage slot 9.
Position-limit mechanism 7 include first piece 71, second piece 72 and meanwhile with first piece 71 and second piece 72 be hinged connecting rod
73rd, the first locating part 74.First piece 71 is rectangular-shape, and sliding is connected in the first slippage slot 8, is set in first piece 71 of side wall
It is equipped with for the first sliding block 13 with the sliding connection of the first stopper slot 11, deviates from the groove of the first slippage slot 8 so as to limit first piece 71
Move in bottom direction.Second piece 72 is also rectangular-shape, and sliding is connected in the second slippage slot 9, is set in second piece 72 of side wall
Have for the second sliding block 14 with the sliding connection of the second stopper slot 12, deviate from the bottom land of the second slippage slot 9 so as to limit second piece 72
Move in direction.
The bottom land of first slippage slot 8 is provided with the first groove 10, and the first locating part 74 is arranged in the first groove 10, and first is spacing
Part 74 includes wedge 741, spring 742.The sliding of wedge 741 is connected in the first groove 10, for the side wall with first piece 71
Abut.Spring 742 is arranged on the bottom land of the first groove 10 and is connected with wedge 741.
When end of the limitation abutting plate 6 of position-limit mechanism 7 away from pin joint faces away from the rotation of the side of belt pulley 3, rotation is supported
Fishplate bar 6 abuts with the end face of belt pulley 3, during abut plate 6 and drive first piece 71 along the first slippage slot 8 towards the side of belt pulley 3
Motion, is abutted until first piece 71 with the side wall of the first slippage slot 8, and now spring 742 drives wedge 741 out of first groove 10
Eject and abutted with first piece 71 of side wall, the side of belt pulley 3 fortune is faced away from along the first slippage slot 8 so as to limit first piece 71
It is dynamic.
The second groove 15 for rabbeting for abutting plate 6 is provided with the end face of belt pulley 3, the notch edge of the second groove 15 is set
It is equipped with the second locating part 16.Second locating part 16 includes being arranged on the locating dowel 161 at the notch edge of the second groove 15, is arranged on positioning
The flexure strip 162 of post 161.
Need to abut plate 6 when rabbeting in the second groove 15, first push flexure strip 162 aside, and second is embedded in by plate 6 is abutted
In groove 15, flexure strip 162 is then set to be left with abutting the end face conflict of plate 6 and then limiting abutting plate 6 from the second groove 15.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (7)
1. a kind of plunger pump, including casing（1）, be rotatably connected on casing（1）Interior bent axle（2）, key connection is in bent axle（2）Upper use
In band dynamic crankshaft（2）The belt pulley of motion（3）, it is characterized in that：The casing（1）Side wall be provided with and be used for and belt pulley（3）Support
Tactile boss（4）, the bent axle（2）Away from casing（1）End run through boss（4）And protrude from boss（4）End face, it is described
Bent axle（2）Standing groove is provided with lateral wall（5）, standing groove（5）Through bent axle（2）Away from casing（1）End face, it is described to put
Put groove（5）Inside is hinged with abutting plate（6）, abut plate（6）With belt pulley（3）End face is abutted to limit belt pulley（3）Axially
It is mobile, the standing groove（5）Interior be provided with is used to limit abutting plate（6）From belt pulley（3）The position-limit mechanism that side is produced（7）.
2. plunger pump according to claim 1, it is characterized in that：The standing groove（5）Bottom land is provided with the first slippage slot
（8）, the abutting plate（6）Away from belt pulley（3）Side wall on be provided with the second slippage slot（9）, the position-limit mechanism（7）Including
Sliding is connected to the first slippage slot（8）Interior first piece（71）, sliding be connected to the second slippage slot（9）Interior second piece（72）、
Simultaneously with first piece（71）With second piece（72）Be hinged connecting rod（73）, be arranged on the first slippage slot（8）It is interior and with first
Block（71）Side wall offsets to limit first piece（71）Edge deviates from belt pulley（3）First locating part of one lateral movement（74）.
3. plunger pump according to claim 2, it is characterized in that：First slippage slot（8）Bottom land be provided with the first groove
（10）, first locating part（74）The first groove is connected to including sliding（10）Interior is used for and first piece（71）What side wall abutted
Wedge（741）, be arranged on the first groove（10）Bottom land is used for and wedge（741）Connected spring（742）.
4. plunger pump according to claim 2, it is characterized in that：First slippage slot（8）Side wall on be provided with first
Stopper slot（11）, described first piece（71）Lateral wall on be provided with for and the first stopper slot（11）The first of sliding connection is slided
Block（13）, second slippage slot（9）Side wall on be provided with the second stopper slot（12）, described second piece（72）Lateral wall on
It is provided with and is used for and the second stopper slot（12）Slide the second sliding block of connection（14）.
5. plunger pump according to claim 2, it is characterized in that：The belt pulley（3）End face on be provided with for for supporting
Fishplate bar（6）Second groove of interlocking（15）.
6. plunger pump according to claim 5, it is characterized in that：Second groove（15）Notch edge be provided with for
Abut plate（6）Abut and then limit and abut plate（6）One end away from pin joint deviates from the second groove（15）The second locating part rotated
（16）.
7. plunger pump according to claim 6, it is characterized in that：Second locating part（16）Including being arranged on the second groove
（15）The locating dowel at notch edge（161）, be arranged on locating dowel（161）It is upper to be used for abutting plate（6）The flexure strip of abutting
（162）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188454.1U CN207212603U (en) | 2017-09-15 | 2017-09-15 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188454.1U CN207212603U (en) | 2017-09-15 | 2017-09-15 | Plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212603U true CN207212603U (en) | 2018-04-10 |
Family
ID=61825197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188454.1U Active CN207212603U (en) | 2017-09-15 | 2017-09-15 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212603U (en) |
-
2017
- 2017-09-15 CN CN201721188454.1U patent/CN207212603U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |