CN206988099U - A kind of connection rod structure of piston element easy to assemble - Google Patents
A kind of connection rod structure of piston element easy to assemble Download PDFInfo
- Publication number
- CN206988099U CN206988099U CN201720962877.8U CN201720962877U CN206988099U CN 206988099 U CN206988099 U CN 206988099U CN 201720962877 U CN201720962877 U CN 201720962877U CN 206988099 U CN206988099 U CN 206988099U
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- China
- Prior art keywords
- extension bar
- piston
- crosshead
- rod structure
- connection rod
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of connection rod structure of piston element easy to assemble, including toggle, crosshead, extension bar, piston and cylinder sleeve, the small end of connecting rod of the toggle is connected with crosshead, the crosshead is fixed with extension bar one end, the extension bar other end is fixed with piston, and the piston is installed in cylinder sleeve；The extension bar includes the first extension bar and the second extension bar, and one end of first extension bar is fixed with crosshead, and one end of the other end of the first extension bar and the second extension bar is detachably connected, and the other end and the piston of the second extension bar are detachably connected.The connection rod structure of this piston element easy to assemble reduces the step of dismounting piston, reduces the difficulty of dismounting piston, improves the efficiency of dismounting piston.
Description
Technical field
Piston type reciprocating pump parts are the utility model is related to, are specifically related to a kind of extension bar knot of piston element easy to assemble
Structure.
Background technology
In piston type reciprocating pump, as shown in figure 1, including toggle 1, crosshead 2, extension bar 3, piston 4 and cylinder
Set 5, the small end of connecting rod of toggle 1 is connected with crosshead 2, and crosshead 2 is fixed with the one end of extension bar 3, the other end of extension bar 3 and
Piston 4 is detachably connected（Piston 4 has piston rod, and the other end of extension bar 3 is fixed with piston rod）, the piston 4 is installed on cylinder sleeve 5
In.Seal is housed on piston 4, piston 4 seals against part reciprocating in cylinder sleeve 5, its seal simultaneously when working
For consumable accessory, it is necessary to often change, need to split out in piston 4 when changing seal, because traditional piston 4 and extension bar 3 is straight
Connect it is connected, change seal when need to dismantle piston 4 together with cylinder sleeve 5, dismantle cylinder sleeve 5 when need dismantle cylinder sleeve 5 connection
Part and corresponding frock, it is necessary to which the associated components of dismounting are very heavy in large-scale piston type reciprocating pump, even need to go during dismounting
Car aids in, and dismounts complex steps, and workload is very big.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to propose a kind of piston element easy to assemble
Connection rod structure, this structure reduce dismounting piston the step of, reduce dismounting piston difficulty, improve dismounting piston effect
Rate.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of connection rod structure of piston element easy to assemble, including toggle, crosshead, extension bar, piston and cylinder sleeve,
The small end of connecting rod of the toggle is connected with crosshead, and the crosshead is fixed with extension bar one end, and the extension bar is another
End is fixed with piston, and the piston is installed in cylinder sleeve；The extension bar includes the first extension bar and the second extension bar, first extension bar
One end fixed with crosshead, one end of the other end of the first extension bar and the second extension bar is detachably connected, the second extension bar it is another
End is detachably connected with piston.
In the connection rod structure of this piston element easy to assemble, the first extension bar is set to be connect with second between crosshead and piston
Bar, first the second extension bar is pulled down when dismantling piston, is then connected the first extension bar with piston, is rotated further by reciprocating pump driven pulley band
Dynamic crosshead is moved backward, you can is allowed piston to deviate from cylinder sleeve, is then directly changed seal, it is not necessary to dismantle cylinder sleeve；Change
After seal, rotate reciprocating pump driven pulley and drive crosshead to move forward and bring piston into cylinder sleeve, then the second extension bar is installed,
The difficulty of dismounting piston is reduced, reaches easy-to-dismount purpose, improves the efficiency of dismounting piston.
Further, between the other end of the first extension bar described in the utility model and one end of the second extension bar, the second extension bar
The other end and piston between the mode that is connected through a screw thread be detachably connected.
Further, between the other end of the first extension bar described in the utility model and one end of the second extension bar, the second extension bar
The other end and piston between be detachably connected by two semicircular clamp.
Further, the other end end head of the extension bar of the utility model first is neighbouring, one end end head of the second extension bar is attached
Closely, the other end end head of the second extension bar nearby, circumferentially arranged near the other end junction of piston and the second extension bar have
Annular groove；The semicircle clamp being set with the annular groove by semicircular tile main body and main body inward at both ends side
The annular boss that is adapted is formed, the annular boss at two semicircular clamp both ends respectively with corresponding two annular grooves clamping, clamping
The annular boss at two semicircular clamp both ends correspondingly surrounds afterwards and center is circular hole, while the main body of two semicircular clamp surrounds cylinder
Shape.
Compared with prior art, the beneficial effects of the utility model are mainly reflected in：The extension bar knot of this piston element easy to assemble
In structure, the first extension bar and the second extension bar are set between crosshead and piston, first pulled down the second extension bar when dismantling piston, so
The first extension bar is connected with piston afterwards, reciprocating pump driven pulley is rotated further by and is moved backward by crosshead, you can allow piston to deviate from cylinder sleeve,
Then seal is directly changed, it is not necessary to dismantle cylinder sleeve；After changing careful sealing, rotate reciprocating pump driven pulley by crosshead forward
Move and bring piston into cylinder sleeve, then the second extension bar is installed, reduce the difficulty of dismounting piston, reach easy-to-dismount purpose,
Improve the efficiency of dismounting piston.
Brief description of the drawings
Fig. 1 is the connection rod structure schematic diagram between the toggle and piston of prior art；
Fig. 2 is the connection rod structure schematic diagram of the piston element easy to assemble of the utility model embodiment.
In accompanying drawing, 1- toggles；2- crossheads；3- extension bars；4- pistons；5- cylinder sleeves；
The extension bars of 31- first；The extension bars of 32- second.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Fig. 2 the connection rod structure of the piston element easy to assemble of the present embodiment, including toggle 1, crosshead
2nd, the first extension bar 31, the second extension bar 32, piston 4 and cylinder sleeve 5, small end of connecting rod and the crosshead 2 of the toggle 1 connect
Connect, the crosshead 2 is fixed with the one end of the first extension bar 31, and one end of the other end of the first extension bar 31 and the second extension bar 32 is detachable
Connection, the other end and the piston 4 of the second extension bar 32 are detachably connected（Piston 4 has piston rod, the other end of extension bar 3 and piston rod
It is fixed）, the piston 4 is installed in cylinder sleeve 5.
As shown in Fig. 2 in the connection rod structure of this piston element easy to assemble, first is set to connect between crosshead 2 and piston 4
The extension bar 32 of bar 31 and second, first pulls down the second extension bar 32 when dismantling piston 4, is then connected the first extension bar 31 with piston 4,
Being rotated further by reciprocating pump driven pulley drives crosshead 2 to move backward, you can allows piston 4 to deviate from cylinder sleeve 5, then directly changes sealing
Part, it is not necessary to dismantle cylinder sleeve 5；After changing careful sealing, rotate reciprocating pump driven pulley and drive crosshead 2 to move forward and by piston
4 bring cylinder sleeve 5 into, then install the second extension bar 32, reduce the difficulty of dismounting piston 4, reach easy-to-dismount purpose, improve and tear open
Fill the efficiency of piston 4.Specifically, the length of the second extension bar 32 determines according to the stroke of piston 4, and its length is appropriate（Can be big
In the half trip length of piston 4 and it is less than the haul distance of piston 2/4ths three）, it is oversize or too short can not reach requirement.
Because the first extension bar 31 moves along a straight line with the second extension bar 32 in piston type reciprocating pump, first connects in practical operation
It can pass through screw thread between one end of the other end of bar 31 and the second extension bar 32, between the other end and piston 4 of the second extension bar 32
The mode of connection is detachably connected, and can also be detachably connected by semicircle clamp, and other modes can also be used detachable
Connection, as long as stable connection, it is easy to dismount and do not influence the operation of equipment.Specifically, the other end of the first extension bar and
When the mode being connected through a screw thread between one end of two extension bars, between the other end of the second extension bar and piston 4 is fixed, the first extension bar
The other end and the second extension bar one end between, can be by containing female sleeve between the other end and piston of the second extension bar
Connection.Pass through two halves between one end of the other end of first extension bar and the second extension bar, between the other end and piston of the second extension bar
Circle clamp connection when, can near the other end end head of the first extension bar, near one end end head of the second extension bar, the second extension bar
Other end end head nearby, circumferentially arranged near the other end junction of piston and the second extension bar have annular groove；Institute
State the ring being adapted with the annular groove that semicircle clamp is set by semicircular tile main body and main body inward at both ends side
Shape boss is formed, and the annular boss at two semicircular clamp both ends is respectively with corresponding two annular grooves clamping, two semicircular card after clamping
The annular boss at sub- both ends correspondingly surrounds and center is circular hole, while the main body of two semicircular clamp surrounds cylindrical shape.Specifically, two
One end corresponding to semicircle clamp is hinged（Also can be connected with）And the corresponding other end is bolted.
It is last it should be noted that above example is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model is described in detail with reference to preferred embodiment by pipe applicant, and one of ordinary skill in the art should manage
Solution, modifies or equivalent substitution to the technical solution of the utility model, without departing from the objective and scope of the technical program,
It all should cover among right of the present utility model.
Claims (4)
1. a kind of connection rod structure of piston element easy to assemble, including toggle, crosshead, extension bar, piston and cylinder sleeve, institute
The small end of connecting rod for stating toggle is connected with crosshead, and the crosshead is fixed with extension bar one end, the extension bar other end
Fixed with piston, the piston is installed in cylinder sleeve；It is characterized in that：The extension bar includes the first extension bar and the second extension bar, institute
The one end and crosshead for stating the first extension bar are fixed, and one end of the other end of the first extension bar and the second extension bar is detachably connected, and second
The other end of extension bar is detachably connected with piston.
2. the connection rod structure of piston element easy to assemble according to claim 1, it is characterised in that：First extension bar it is another
The mode being connected through a screw thread between one end and one end of the second extension bar, between the other end and piston of the second extension bar is detachable
Connection.
3. the connection rod structure of piston element easy to assemble according to claim 1, it is characterised in that：First extension bar it is another
Detachably connected by two semicircular clamp between one end and one end of the second extension bar, between the other end and piston of the second extension bar
Connect.
4. the connection rod structure of piston element easy to assemble according to claim 3, it is characterised in that：The other end of first extension bar
End head nearby, one end end head of the second extension bar nearby, the other end end head of the second extension bar nearby, piston and the second extension bar
Other end junction nearby circumferentially arranged have annular groove；The semicircle clamp is by semicircular tile main body and master
The annular boss being adapted with the annular groove that body inward at both ends side is set is formed, the annular boss at two semicircular clamp both ends
Respectively with corresponding two annular grooves clamping, the annular boss at two semicircular clamp both ends correspondingly surrounds after clamping and center is circle
Hole, while the main body of two semicircular clamp surrounds cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962877.8U CN206988099U (en) | 2017-08-03 | 2017-08-03 | A kind of connection rod structure of piston element easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962877.8U CN206988099U (en) | 2017-08-03 | 2017-08-03 | A kind of connection rod structure of piston element easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988099U true CN206988099U (en) | 2018-02-09 |
Family
ID=61418007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962877.8U Active CN206988099U (en) | 2017-08-03 | 2017-08-03 | A kind of connection rod structure of piston element easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988099U (en) |
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2017
- 2017-08-03 CN CN201720962877.8U patent/CN206988099U/en active Active
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