CN207920840U - Piston rod convenient for quick-replaceable piston and the slush pump comprising the piston rod - Google Patents
Piston rod convenient for quick-replaceable piston and the slush pump comprising the piston rod Download PDFInfo
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- CN207920840U CN207920840U CN201820361020.5U CN201820361020U CN207920840U CN 207920840 U CN207920840 U CN 207920840U CN 201820361020 U CN201820361020 U CN 201820361020U CN 207920840 U CN207920840 U CN 207920840U
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- piston rod
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- piston bar
- rod
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Abstract
The utility model discloses a kind of piston rods convenient for quick-replaceable piston, including being sequentially connected and coaxially arranged First piston bar, second piston bar and third piston rod, two ends of second piston bar are equipped with screw thread, and are connect respectively with First piston bar and third piston rod thread；The thread rotary orientation of two end sets of second piston bar is opposite.The invention also discloses a kind of slush pumps including the piston rod.By setting piston rod to three-stage, and it is connect respectively with First piston bar and third piston rod by the oppositely oriented screw thread of two end sets in intermediate second piston bar, separation and tension between First piston bar and third piston rod can be realized in turn second piston bar, assembles and easy to operate.And such piston rod allows operating personnel not have to disassembly and installation clip when replacing piston, reduces labor intensity and operation difficulty, improves efficiency.
Description
Technical field
The utility model is related to a kind of piston rod convenient for quick-replaceable piston and include the slush pump of the piston rod.
Background technology
In field of oil drilling, slush pump is common engineering equipment, piston driver in slush pump, as shown in Figure 1,
1 one end of piston rod is connected to output end with piston 2, and the other end of piston rod 1 passes through clip 3 and pull rod 4 as input terminal
Connection, common piston rod are to use solid forging structure, and be processed and formed at one time.In use, piston is vulnerable part,
It needs to be replaced frequently.But slush pump is a kind of jumbo, for the quality of clip up to 30 kilograms, the quality of piston rod is public up to 20
Jin, the quality of piston is about 5 kilograms, since the gross mass of clip, piston rod and piston is big, is not easy to as a whole will three
Piston pulls out cylinder body；During practical more sliding piston, in order to reduce labor intensity and reduce the difficulty of replacement, more sliding piston
Process it is as follows：1）Clip 3 is removed, piston rod 1 is made to be detached with pull rod 4；2）Piston rod 1 is pulled to skid off cylinder body 5 with piston 2；
3）Replace piston 2；4）Piston 2 is replaced after the completion to connect piston rod 1 and pull rod 4 according to clip 3.
Such piston rod integrally forged makes operating personnel that can only adopt to replace piston with the aforedescribed process, and clip compares
Heaviness, disassembly and installation clip is time-consuming hard, and great inconvenience is brought to operating personnel.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of piston convenient for quick-replaceable piston
Bar and slush pump comprising the piston rod are convenient for more sliding vulnerable part piston, reduce and replace difficulty.
The purpose of this utility model is achieved through the following technical solutions：
A kind of piston rod convenient for quick-replaceable piston, including be sequentially connected and coaxially arranged First piston bar, second
Two ends of piston rod and third piston rod, second piston bar are equipped with screw thread, and live respectively with First piston bar and third
Stopper rod is threadedly coupled；The thread rotary orientation of two end sets of the second piston bar is opposite.
Preferably, the second piston pole length is less than the length of First piston bar, and less than the length of third piston rod
Degree, in the case where meeting intensity requirement, keeps the quality of second piston bar as light as possible（The more short then quality of second piston pole length
It is lighter）, personnel's dismounting easy to operation, reduction labor intensity.
Preferably, the First piston bar, second piston bar are identical with the outer diameter of third piston rod, make first piston
The intensity of bar, second piston bar and third piston rod is almost the same, improves service life.
Preferably, the second piston bar uses process equipped with flat position as the operative position of turn second piston bar
In spanner turn second piston bar can be used to dismantle or assemble, effect position of the flat position as spanner.
Preferably, the free end of the third piston rod is detachably connected as output end, and with piston.
A kind of slush pump, including the piston rod described in any of the above item.
It is practical when dismantling the piston of slush pump, so that it may not have to remove clip using the piston rod of such segmented.It is logical
It crosses following steps and replaces piston：1）The side for pulling piston rod that second piston bar is made to expose cylinder body；2）Operating personnel's turn second
Piston rod, First piston bar are detached with second piston bar, second piston bar with third piston rod；By First piston bar, clip
It is integrally placed on one side with what pull rod was formed；3）Third piston rod is pulled, piston is made to skid off cylinder body, replaces piston；4）It has replaced
Cheng Hou is connected First piston bar with third piston rod with second piston bar.It need not be dismantled during entire replacement piston
With reinstall clip, for replace piston reduce difficulty, and be more convenient to operate personnel operation, difficulty and labor intensity drop
It is low.
The utility model has the beneficial effects that：By setting piston rod to three-stage, and by living intermediate second
The screw thread that two end sets of stopper rod are oppositely oriented is connect with First piston bar and third piston rod respectively, turn second piston
Separation and tension between First piston bar and third piston rod can be realized in bar, assembles and easy to operate.And such piston
Bar allows operating personnel not have to disassembly and installation clip when replacing piston, reduces labor intensity and operation difficulty,
Improve efficiency.
Description of the drawings
Fig. 1 is the piston rod construction schematic diagram before improving；
Fig. 2 is the structural schematic diagram of the piston rod of the utility model；
In figure, 1- piston rods, 1.1- First piston bars, 1.2- second piston bars, 1.3- third piston rods, 2- pistons, 3-
Clip, 4- pull rods, 5- cylinder bodies.
Specific implementation mode
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
Referring to Fig.2, the utility model provides a kind of technical solution：
As shown in Fig. 2, a kind of piston rod convenient for quick-replaceable piston, including it is sequentially connected and coaxially arranged first lives
Two ends of stopper rod 1.1, second piston bar 1.2 and third piston rod 1.3, second piston bar 1.2 are equipped with screw thread, and respectively
It is threadedly coupled with First piston bar 1.1 and third piston rod 1.3；The thread rotary orientation of two end sets of second piston bar 1.2
On the contrary.In order to meet intensity requirement of the piston rod in slush pump, the screw threads of 1.2 two ends of second piston bar can be with
It is respectively set to M39*3-6H（L）Left hand thread and right-handed thread.Due to right-and-left threaded principle, turn second piston bar
1.2, First piston bar 1.1 and third piston rod 1.3 will detach, and can easily remove third piston rod 1.3 and piston 2
It is whole；Similarly, when installing piston 2, second piston bar 1.2 is rotated toward opposite direction, First piston bar 1.1 and third piston
Bar 1.3, can be more and more closer under the action of positive/negative thread, the more draws the more tight.
Preferably, 1.2 length of second piston bar is less than the length of First piston bar 1.1, and less than third piston rod 1.3
Length keeps the quality of second piston bar 1.2 as light as possible in the case where meeting intensity requirement, personnel's dismounting easy to operation, drop
Low labor intensity.
Preferably, First piston bar 1.1, second piston bar 1.2 are identical with the outer diameter of third piston rod 1.3, keep first
The intensity of piston rod 1.1, second piston bar 1.2 and third piston rod 1.3 is almost the same, improves service life.
Preferably, second piston bar 1.2 uses process equipped with flat position as the operative position of turn second piston bar 1.2
In spanner turn second piston bar 1.2 can be used to dismantle or assemble, effect position of the flat position as spanner；It is further preferred that
Flat position is arranged at the middle part of second piston bar 1.2.
Preferably, the free end of third piston rod 1.3 is detachably connected as output end, and with piston, wherein first lives
The free end of stopper rod 1.1 is connect as input terminal with power plant.
A kind of slush pump, including the piston rod described in any of the above item.As shown in Fig. 2, First piston bar in the slush pump
1.1 free end is connect by clip 3 with pull rod 4, as the input terminal of power, the free end of third piston rod 1.3 and piston
Shaft hole matching and piston are fixed on third piston rod 1.3.In initially assembling slush pump, first by First piston bar 1.1 and drawing
Bar clip 3 fixes, then the entirety of third piston rod 1.3 and piston is fitted into cylinder body 5, finally by second piston bar 1.2
The screw thread of end is buckled with First piston bar 1.1 and second piston bar 1.3 respectively, with spanner rotation second piston bar 1.2 is
Installation can be achieved.
It is practical when dismantling the piston of slush pump, so that it may not have to remove clip 3 using the piston rod of such segmented.
Piston is replaced by following steps：1）The side for pulling piston rod that second piston bar 1.2 is made to expose cylinder body 5；2）Operating personnel are revolved
Dynamic second piston bar 1.2, First piston bar 1.1 are divided equally with second piston bar 1.2, second piston bar 1.2 and third piston rod 1.3
From；Remove the entirety of First piston bar 1.1 and clip 3, pull rod 4；3）Third piston rod 1.3 is pulled, piston is made to skid off cylinder body 5,
Replace piston；4）After the completion of replacement, First piston bar 1.1 and third piston rod 1.3 are connected with second piston bar 1.2.Entirely
Disassembly and assembly clip 3 is not needed in the process, reduces difficulty to replace piston, and be more convenient to operate personnel's operation, difficulty
It is reduced with labor intensity.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all rights appended by the utility model
It is required that protection domain in.
Claims (6)
1. convenient for the piston rod of quick-replaceable piston, it is characterised in that：Including being sequentially connected and coaxially arranged First piston bar
（1.1）, second piston bar（1.2）With third piston rod（1.3）, second piston bar（1.2）Two ends be equipped with screw thread, and
Respectively with First piston bar（1.1）With third piston rod（1.3）It is threadedly coupled；The second piston bar（1.2）Two end
The thread rotary orientation of portion's setting is opposite.
2. the piston rod according to claim 1 convenient for quick-replaceable piston, it is characterised in that：The second piston bar
（1.2）Length is less than First piston bar（1.1）Length, and be less than third piston rod（1.3）Length.
3. the piston rod according to claim 1 convenient for quick-replaceable piston, it is characterised in that：The First piston bar
（1.1）, second piston bar（1.2）With third piston rod（1.3）Outer diameter it is identical.
4. the piston rod according to claim 1 convenient for quick-replaceable piston, it is characterised in that：The second piston bar
（1.2）It is equipped with flat position, as turn second piston bar（1.2）Operative position.
5. the piston rod according to claim 1 convenient for quick-replaceable piston, it is characterised in that：The third piston rod
（1.3）Free end as output end, and and piston（2）It is detachably connected.
6. a kind of slush pump, including claim 1-5 any one of them piston rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820361020.5U CN207920840U (en) | 2018-03-16 | 2018-03-16 | Piston rod convenient for quick-replaceable piston and the slush pump comprising the piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820361020.5U CN207920840U (en) | 2018-03-16 | 2018-03-16 | Piston rod convenient for quick-replaceable piston and the slush pump comprising the piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920840U true CN207920840U (en) | 2018-09-28 |
Family
ID=63595265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820361020.5U Active CN207920840U (en) | 2018-03-16 | 2018-03-16 | Piston rod convenient for quick-replaceable piston and the slush pump comprising the piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131157A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
| CN110131156A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
-
2018
- 2018-03-16 CN CN201820361020.5U patent/CN207920840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131157A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
| CN110131156A (en) * | 2019-05-28 | 2019-08-16 | 四川宏华石油设备有限公司 | A kind of reciprocating pump lever apparatus |
| CN110131156B (en) * | 2019-05-28 | 2024-07-02 | 四川宏华石油设备有限公司 | Reciprocating pump rod device |
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