CN208686567U - Integrated coaxial two-direction piston structure - Google Patents
Integrated coaxial two-direction piston structure Download PDFInfo
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- CN208686567U CN208686567U CN201821462166.5U CN201821462166U CN208686567U CN 208686567 U CN208686567 U CN 208686567U CN 201821462166 U CN201821462166 U CN 201821462166U CN 208686567 U CN208686567 U CN 208686567U
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- Prior art keywords
- plunger
- connector
- oil
- oil inlet
- hollow groove
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- Expired - Fee Related
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000008685 targeting Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to piston structure technical field.Traditional bidirectional ram structure structure is cumbersome, volume is big, it is at high cost, for the problems of the prior art, the utility model discloses a kind of integrated coaxial two-direction piston structures, including plunger bushing, plunger and connector, plunger hole and communication passage structure are equipped in plunger bushing, it is equipped in plunger hole coaxially with the plunger of diameter, plunger hole is communicated with oil inlet, communication passage structure is communicated with oil outlet, communication passage structure includes left oil discharge passage, right oil discharge passage and communication passage, the entrance of left and right oil discharge passage is communicated with the left and right ends of plunger hole respectively, outlet is communicated with the left and right ends of communication passage respectively, left and right check valve is respectively equipped on the oil discharge passage of left and right；Connector is connected with plunger, and connector moves reciprocatingly along the connector avoiding hollow groove being set on plunger bushing under driving mechanism drive, and connector drives plunger to do synchronous reciprocating along plunger hole and moves.The utility model structure is simple, small in size, at low cost.
Description
Technical field
The utility model relates to a kind of piston structures, and in particular to a kind of one coaxial two-direction piston structure belongs to plunger
Technical field of structures.
Background technique
As shown in Figure 1, traditional bidirectional ram structure generally includes two plunger bushings, 010, two plunger 020 and two plugs
03, oil inlet 011 and oil outlet 012 are equipped on each plunger bushing, and traditional bidirectional ram structure at work, passes through eccentric shaft 04
Two plungers 020 in left and right are driven to move back and forth in plunger bushing 010, wherein left plunger is transported to the right when right plunger moves downward
Dynamic, right working volumes volume increases, and left working volumes volume reduces, and oil enters right working volumes from the oil inlet that right plunger covers,
The oil of left working chamber is discharged from the oil outlet of left plunger bushing through left flowline 05, to realize oil suction and pressure oil simultaneously.
When plunger 020 in traditional bidirectional ram structure moves back and forth in plunger bushing 010, it is often necessary to which a fixed length is set
The targeting part 021 of degree playing the guiding role, the presence of targeting part 021 make the entire length of plunger 020 elongated, in addition,
The left flowline 05 being connected with the oil outlet on left plunger bushing and the right flowline being connected with the upper oil outlet of right plunger set
Road 06 can only be arranged in outside plunger bushing 010 in traditional bidirectional ram structure, and be usually connected to by triple valve 07, and structure is numerous
Trivial, volume is big, at high cost.
Utility model content
For the problems of the prior art, the utility model provides a kind of integrated coaxial two-direction piston structure, the plunger knot
Structure by the way that integrated plunger bushing and integrated plunger is arranged, while realizing two-way operation structure more simply, volume it is smaller, at
This is lower, can solve the problem that traditional piston structure structure is cumbersome, volume is big, at high cost.
To realize the above technical purpose, the technical solution of the utility model is:
A kind of one coaxial two-direction piston structure, including plunger bushing, plunger, connector, connector avoiding hollow groove, oil inlet and
Oil outlet；It is equipped with plunger hole and communication passage structure in the plunger bushing, is equipped in the plunger hole coaxially with the plunger of diameter, institute
Stating communication passage structure includes left oil discharge passage, right oil discharge passage and communication passage, and left oil discharge passage and right oil discharge passage enter
Mouthful communicated respectively with the left end of plunger hole and right end, the outlet of left oil discharge passage and right oil discharge passage respectively with communication passage left end
It is communicated with right end, the entrance of left oil discharge passage and right oil discharge passage is respectively equipped with left check valve and right check valve；The plunger bushing
On offer vertically communicated connector avoiding hollow groove, connector avoiding hollow groove is located at the middle part of plunger hole；The connector and plunger
It is connected, connector is moved reciprocatingly by driving mechanism drives edge connector avoiding hollow groove, and connector drives plunger to do along plunger hole
Synchronous reciprocating movement；The oil inlet includes left oil inleting port and right oil inlet, left oil inleting port and right oil inlet respectively with plunger hole
Left and right side communicates, and the oil outlet is communicated with communication passage structure.The utility model one coaxial two-direction piston structure, knot
Structure is simple, can reduce the volume of piston structure by the way that integrated plunger bushing is arranged and integrated connection pipeline is arranged in plunger bushing,
Reduce cost；By the coaxial plunger of setting one, plunger is constantly in guiding state when moving back and forth in plunger hole, so as to
To cancel the targeting part of plunger, so that plungers length shortens, to further decrease the volume of piston structure, cost is reduced.
Preferably, the connector avoiding hollow groove and plunger hole are coaxially disposed, and the length of connector avoiding hollow groove is not small
It is less than plunger outer diameter in the width of the stroke length that connector moves back and forth, connector avoiding hollow groove.
Preferably, the connector is pin rod, and pin rod passes vertically through plunger and connector avoiding hollow groove, pin rod it is straight
Diameter is less than plunger outer diameter.
Preferably, the left oil inleting port includes left first oil inlet, left second oil inlet and left third oil inlet,
The right oil inlet includes right first oil inlet, right second oil inlet and right third oil inlet, left first oil inlet and right first
Oil inlet is aligned with the both ends of connector avoiding hollow groove respectively, and left second oil inlet and right second oil inlet are respectively arranged on connector and keep away
Both ends at the top of empty slot, left third oil inlet and right third oil inlet are respectively arranged on the both ends of connector empty avoiding trench bottom.
Preferably, the oil outlet is set to plunger bushing left or right.
Preferably, the driving mechanism is driving cylinder or driving motor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional bidirectional ram structure；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the utility model；
Fig. 4 is the structural schematic diagram of the utility model；
Fig. 5 is the structural schematic diagram of the utility model；
Fig. 6 is the structural schematic diagram of the utility model；
Fig. 7 is the structural schematic diagram of the utility model；
Appended drawing reference:
010. plunger bushing, 011. oil inlet, 012. oil outlet, 020. plunger, 021. targeting part, 03. plug 04. is partially
05. right 07. triple valve of flowline of left flowline 06. of mandrel
100. the 113. left third oil inlets 114. of left first oil inlet, 112. the second oil inlet of a left side of plunger bushing 111. are right
116. 130. plunger hole of right 120. oil outlet of third oil inlet of right second oil inlet of first oil inlet 115. 140. is left fuel-displaced
Left 150. right 160. communication passage of check valve, the 170. connector avoiding hollow groove 2. of right oil discharge passage 151. of check valve in channel 141.
3. connector of plunger
Specific embodiment
In conjunction with Fig. 2 to Fig. 7, a specific embodiment of the utility model is described in detail, but not to the power of the utility model
Benefit requires to do any restriction.
As shown in Figures 2 to 7, a kind of integrated coaxial two-direction piston structure, including plunger bushing 100, connector 3, oil inlet
With oil outlet 120；
Plunger hole 130 and communication passage structure are equipped in the plunger bushing 100, the plunger hole 130 is horizontally disposed, plunger
Plunger 2 is coaxially provided in hole 130, the outer diameter of plunger 2 is equal to the internal diameter of plunger hole 130, and plunger 2 can be done along plunger hole 130
It moves back and forth；The communication passage structure includes left oil discharge passage 140, right oil discharge passage 150 and communication passage 160, and a left side is fuel-displaced
The entrance in channel 140 is communicated with 130 left end of plunger hole, and outlet is communicated with communication passage 160, right 150 entrance of oil discharge passage and column
130 right end of consent communicates, and outlet is communicated with communication passage 160, is respectively equipped on left oil discharge passage 140 and right oil discharge passage 150
Left check valve 141 and right check valve 151, wherein left check valve 141 is used for the left oil discharge passage 140 of on-off, and right check valve 151 is used
In the right oil discharge passage 150 of on-off, wherein left check valve 141 and right check valve 151 can be positioned at the axial directions of plunger hole 130
Or the radial direction of plunger hole 130；
Vertically communicated connector avoiding hollow groove 170 is offered on the plunger bushing 100, connector avoiding hollow groove 170 is located at column
It the middle part of consent 130 and is coaxially disposed with plunger hole 130, the length of connector avoiding hollow groove is not less than the row that connector moves back and forth
The width of Cheng Changdu, connector avoiding hollow groove 170 are less than 2 outer diameter of plunger；Wherein, connector avoiding hollow groove 170 in the present embodiment
Length is equal to the stroke length that connector 3 moves back and forth and the sum of the oil inlet length for being located at 170 both ends of connector avoiding hollow groove, even
Fitting avoiding hollow groove can also be used as oil inlet while playing the guiding role；
The connector 3 is connected with plunger 2, and connector 3 is driven by driving mechanism (not shown) to drive plunger 2 to transport
It is dynamic, wherein connector 3 can be pin rod, and the diameter of pin rod is less than 2 outer diameter of plunger, and pin rod passes vertically through plunger 2 and connector is kept away
Empty slot 170, driving mechanism can perhaps driving motor connects under the drive of driving cylinder or driving motor for driving cylinder
Part 3 moves reciprocatingly along connector avoiding hollow groove 170, and connector 3 drives plunger 2 to do synchronous reciprocating along plunger hole 130 and moves；
The oil inlet includes left oil inleting port and right oil inlet, left oil inleting port include left first oil inlet 111, a left side second into
Hydraulic fluid port 112 and left third oil inlet 113, right oil inlet include right first oil inlet 114, right second oil inlet 115 and right third
Oil inlet 116, left first oil inlet 111 and right first oil inlet 114 set on 100 front end of plunger bushing and respectively with connector empty avoiding
The left end of slot 170 and right alignment, the second oil inlet of a left side 112 and right second oil inlet 115 are respectively arranged on connector avoiding hollow groove 170
The left end at top and right end, left third oil inlet 113 and right third oil inlet 116 are respectively arranged on 170 bottom of connector avoiding hollow groove
Left end and right end, left first oil inlet 111, left second oil inlet 112 and left third oil inlet 113 and 130 left side of plunger hole
It communicates, is communicated on the right side of right first oil inlet 114, right second oil inlet 115 and right third oil inlet 116 and plunger hole 130；
The oil outlet 120 is set to 100 left end of plunger bushing and communicates with the left oil discharge passage 140 in communication passage structure,
Wherein, any position communicated with communication passage structure on plunger bushing 100 can also be arranged in oil outlet 120.
Working principle:
Connector 3 is moved downward along connector avoiding hollow groove 170 under the drive of driving cylinder or driving motor, connector
3 drive plungers 2 are synchronized along plunger hole 130 and are moved downward, left first oil inlet 111, left second oil inlet 112 and left third into
Hydraulic fluid port 113 is by 2 seal closure of plunger, at this point, right check valve 151 is closed, left check valve 141 is opened, oily from right first oil inlet
114, right second oil inlet 115 and right third oil inlet 116 enter in the plunger hole 130 between plunger 2 and right check valve 151,
Oil in plunger hole 130 between plunger 2 and left check valve 141 is directly discharged from oil outlet 120；
Connector 3 is moved right along connector avoiding hollow groove 170 under the drive of driving cylinder or driving motor, connector
3 drive plungers 2 are synchronized along plunger hole 130 and are moved right, right first oil inlet 114, right second oil inlet 115 and right third into
Hydraulic fluid port 116 is by 2 seal closure of plunger, at this point, left check valve 141 is closed, right check valve 151 is opened, oily from left first oil inlet
111, left second oil inlet 112 and left third oil inlet 113 enter in the plunger hole 130 between plunger 2 and left check valve 141,
Successively going out via right oil discharge passage 150, communication passage 160 and a left side in the plunger hole 130 between plunger 2 and right check valve 151
Then oily channel 140 is discharged from oil outlet 120.
In conclusion the utility model has the advantage that
1. the utility model one coaxial two-direction piston structure, structure is simple, small in size, at low cost；Wherein, pass through setting
Integrated plunger bushing simultaneously integrated connection pipeline is arranged in plunger bushing can reduce the volume of piston structure, reduce cost；By setting
The coaxial plunger of one is set, plunger is moved back and forth in plunger hole without targeting part, and plungers length shortens, so as to further
The volume for reducing piston structure, reduces cost.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (6)
1. a kind of one coaxial two-direction piston structure, which is characterized in that including plunger bushing, plunger, connector, connector empty avoiding
Slot, oil inlet and oil outlet；It is equipped with plunger hole and communication passage structure in the plunger bushing, is equipped in the plunger hole coaxial same
The plunger of diameter, the communication passage structure include left oil discharge passage, right oil discharge passage and communication passage, and left oil discharge passage and the right side go out
The entrance in oily channel is communicated with the left end of plunger hole and right end respectively, the outlet of left oil discharge passage and right oil discharge passage respectively with connection
Circulation passage left end and right end communicate, and are respectively equipped with left check valve and right check valve on left oil discharge passage and right oil discharge passage；It is described
Vertically communicated connector avoiding hollow groove is offered on plunger bushing, connector avoiding hollow groove is located at the middle part of plunger hole；The connector
It is connected with plunger, connector is moved reciprocatingly by driving mechanism drives edge connector avoiding hollow groove, and connector drives plunger along column
Consent does synchronous reciprocating movement；The oil inlet includes left oil inleting port and right oil inlet, left oil inleting port and right oil inlet respectively with
Plunger hole left and right side communicates, and the oil outlet is communicated with communication passage structure.
2. a kind of integrated coaxial two-direction piston structure as described in claim 1, which is characterized in that the connector avoiding hollow groove with
Plunger hole coaxial arrangement, the length of connector avoiding hollow groove are not less than the stroke length that connector moves back and forth, connector avoiding hollow groove
Width be less than plunger outer diameter.
3. a kind of integrated coaxial two-direction piston structure as claimed in claim 1 or 2, which is characterized in that the connector is pin
Bar, pin rod pass vertically through plunger and connector avoiding hollow groove, and the diameter of pin rod is less than plunger outer diameter.
4. a kind of integrated coaxial two-direction piston structure as described in claim 1, which is characterized in that the left oil inleting port includes a left side
First oil inlet, left second oil inlet and left third oil inlet, the right oil inlet include right first oil inlet, right second oil inlet
Mouthful and right third oil inlet, left first oil inlet and right first oil inlet be aligned respectively with the both ends of connector avoiding hollow groove, a left side the
Two oil inlets and right second oil inlet are respectively arranged on the both ends at the top of connector avoiding hollow groove, left third oil inlet and right third oil inlet
Mouth is respectively arranged on the both ends of connector empty avoiding trench bottom.
5. a kind of integrated coaxial two-direction piston structure as described in claim 1, which is characterized in that the oil outlet is set to plunger
Cover left or right.
6. a kind of integrated coaxial two-direction piston structure as described in claim 1, which is characterized in that the driving mechanism is driving
Cylinder or driving motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018211283510 | 2018-07-16 | ||
| CN201821128351 | 2018-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686567U true CN208686567U (en) | 2019-04-02 |
Family
ID=65888612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821462166.5U Expired - Fee Related CN208686567U (en) | 2018-07-16 | 2018-09-05 | Integrated coaxial two-direction piston structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686567U (en) |
-
2018
- 2018-09-05 CN CN201821462166.5U patent/CN208686567U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211126 Address after: 271200 396 development avenue, Xintai Economic Development Zone, Tai'an, Shandong Patentee after: Shandong Jiepu Automation Technology Co.,Ltd. Address before: No. 54, Jingdong Road, Jingzhou District, Jingzhou City, Hubei Province Patentee before: Wang Shouwu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 |