CN204357645U - A kind of piston structure of link linear motion - Google Patents
A kind of piston structure of link linear motion Download PDFInfo
- Publication number
- CN204357645U CN204357645U CN201420755959.1U CN201420755959U CN204357645U CN 204357645 U CN204357645 U CN 204357645U CN 201420755959 U CN201420755959 U CN 201420755959U CN 204357645 U CN204357645 U CN 204357645U
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- China
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- connecting rod
- craspedodrome
- piston
- linear motion
- driving mechanism
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Abstract
The utility model relates to piston mechanism technical field, disclose the piston structure of a kind of link linear motion, comprise cylinder body, also comprise craspedodrome driving mechanism, the two ends up and down of described cylinder body are connected to upper end cap and lower end cap, the inside of described cylinder body is provided with piston, and the top of described piston is connected with craspedodrome connecting rod, and the upper end of described craspedodrome connecting rod is passed upper end cap and is connected with described craspedodrome driving mechanism; This piston structure operationally, craspedodrome connecting rod is under the restriction of craspedodrome driving mechanism, piston is driven to realize moving up and down with linear movement, thus the larger problem of wearing and tearing greatly reduced because the piston unbalance stress caused by connecting rod swing causes, thus reach the object increased the service life, meanwhile, also there is the simple advantage of structure.
Description
Technical field
The utility model relates to piston mechanism technical field, particularly relates to the piston structure of a kind of link linear motion.
Background technique
At present, piston mechanism is applied in various field, existing piston mechanism, generally comprise piston, wrist pin, compression ring, oil ring etc., be connected with connecting rod by bent axle, connecting rod connects piston by wrist pin again, during work, connecting rod swings under the effect of bent axle, piston is under the effect of oil ring, carry out lubrication to casing wall to move up and down, thus realize air-breathing, the processes such as compression, but, if this kind of piston mechanism is applied to mechanically common, such as: as air-breathing and the compression of sprinkler, obviously, due to the consideration of cost, the manufacturing process of similar motor can not be adopted to guarantee working life, if and utilize this structure adopt common manufacturing process, its compression ring easily weares and teares, and not easily change, in view of this, inventor is for current needs, invent a kind of piston structure of link linear motion.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides the piston structure that a kind of link linear moves, and the structure of this piston structure is simple, weares and teares less, thus has the advantage increased the service life.
For achieving the above object, the piston structure of a kind of link linear motion of the present utility model, comprise cylinder body, also comprise craspedodrome driving mechanism, the two ends up and down of described cylinder body are connected to upper end cap and lower end cap, the inside of described cylinder body is provided with piston, and the top of described piston is connected with craspedodrome connecting rod, and the upper end of described craspedodrome connecting rod is passed upper end cap and is connected with described craspedodrome driving mechanism.
Preferably, described craspedodrome driving mechanism comprises connecting rod and guide rail, and the lower end of described upper connecting rod is connected with the movable upper end of described craspedodrome connecting rod, and described upper connecting rod arranges pin-and-hole, described pin-and-hole is equiped with stationary axle, and described stationary axle is provided with at least one guide wheel coordinated with described guide rail.
Preferably, the two ends of described stationary axle are through pin-and-hole, and the two ends of stationary axle are respectively arranged with guide wheel, and the both sides of described guide wheel are provided with guide rail.
Preferably, the circumferential surface of described piston is provided with at least one groove, is provided with in described groove " O " shape seal ring.
Preferably, the underpart of described craspedodrome connecting rod is provided with screw, and described piston is provided with through hole, and described piston is fixedly connected with craspedodrome connecting rod through through hole, screw by bolt.
Preferably, described craspedodrome driving mechanism comprises connecting rod and guide rail, and the upper end of described craspedodrome connecting rod is connected with at least one and coordinates guide wheel with described guide rail, and described guide wheel is equiped with the stationary axle hinged with described upper connecting rod lower end.
Preferably, described craspedodrome driving mechanism is also connected with drive unit, the retarder that described drive unit comprises motor, is connected with described motor-driven, and the output terminal of described retarder is connected with crank, and described crank is connected with the movable upper end of described upper connecting rod.
Preferably, the bottom of described cylinder body is also connected with transfer valve and delivery valve.
The beneficial effects of the utility model: the piston structure of a kind of link linear motion of the present utility model, comprise cylinder body, also comprise craspedodrome driving mechanism, the two ends up and down of described cylinder body are connected to upper end cap and lower end cap, the inside of described cylinder body is provided with piston, the top of described piston is connected with craspedodrome connecting rod, and the upper end of described craspedodrome connecting rod is passed upper end cap and is connected with described craspedodrome driving mechanism; This piston structure operationally, craspedodrome connecting rod is under the driving of craspedodrome driving mechanism, piston is driven to realize moving up and down with linear movement, thus the larger problem of wearing and tearing greatly reduced because the piston unbalance stress caused by connecting rod swing causes, thus reach the object increased the service life, meanwhile, also there is the simple advantage of structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the plan view of Fig. 1
Fig. 4 is that the A-A of Fig. 3 is to sectional view.
Fig. 5 is the structural representation of the utility model connecting drive device.
Fig. 6 is the structural representation of the utility model embodiment two.
Fig. 7 is the side view of Fig. 6.
Reference character comprises: cylinder body--and 1, craspedodrome driving mechanism--2, upper connecting rod--21, guide rail--22, stationary axle--23, guide wheel--24, upper end cap--3, lower end cap--4, piston--5, groove--51, " O " shape seal ring--52, craspedodrome connecting rod--6, drive unit--7, motor--71, retarder--72, crank--73, transfer valve--81, delivery valve--82.
Embodiment
Be described in detail below in conjunction with accompanying drawing the utility model.
Embodiment one.
See Fig. 1 to Fig. 5, a kind of piston structure of link linear motion, comprise cylinder body 1, also comprise craspedodrome driving mechanism 2, the two ends up and down of described cylinder body 1 are connected to upper end cap 3 and lower end cap 4, the inside of described cylinder body 1 is provided with piston 5, and the top of described piston 5 is connected with craspedodrome connecting rod 6, and the upper end of described craspedodrome connecting rod 6 is passed upper end cap 3 and is connected with described craspedodrome driving mechanism 2; This piston structure operationally, craspedodrome connecting rod 6 is under the driving of craspedodrome driving mechanism 2, piston 5 is driven to realize moving up and down with linear movement, thus the larger problem of wearing and tearing greatly reduced because piston 5 unbalance stress caused by connecting rod swing causes, thus reach the object increased the service life, meanwhile, also there is the simple advantage of structure.
In the technical program, described craspedodrome driving mechanism 2 comprises connecting rod 21 and guide rail 22, the lower end of described upper connecting rod 21 is connected with the upper end of described craspedodrome connecting rod 6, described upper connecting rod 21 arranges pin-and-hole, described pin-and-hole is equiped with stationary axle 23, and described stationary axle 23 is provided with at least one guide wheel 24 coordinated with described guide rail 22, upper end and the described drive unit 7 of described upper connecting rod 21 are in transmission connection, during work, described upper connecting rod 21 is under the effect of drive unit 7, upwards swing, drive craspedodrome connecting rod 6 simultaneously, the guide wheel 24 of craspedodrome connecting rod 6 moves up along guide rail 22, with this simultaneously, piston 5 also further moves up, thus make the containing space forming negative pressure in cylinder body 1, under the effect of negative pressure, transfer valve 81 is opened, water enters containing space from transfer valve 81, then, drive unit 7 drives upper connecting rod 21 to move down, drive craspedodrome connecting rod 6 downward simultaneously, piston 5 also further moves down, now, transfer valve 81 cuts out, the technical program adopts the driving mode of craspedodrome connecting rod 6, thus significantly reduce the wearing and tearing of piston 5, extend the working life of piston 5.
Certainly, be that the two ends of described stationary axle 23 are through pin-and-hole, and the two ends of stationary axle 23 are respectively arranged with guide wheel 24, and the both sides of described guide wheel 24 are provided with guide rail 22 as preferred technological scheme.Like this, when moving up and down, guide wheel 24 is under the effect of two side rails 22, mobile more accurate, uses more reliable.
In the technical program, in order to make described piston 5 when up and down, improve the sealing of piston 5 and described cylinder body 1 inwall, the circumferential surface of described piston 5 is provided with at least one groove 51, is provided with in described groove 51 " O " shape seal ring; Exist like this " O " shape seal ring effect under, can greatly improve its sealing, make the pressure in containing space more stable, and described " O " shape seal ring can also extend working life of piston 5, when " O " shape seal ring have wearing and tearing time, change " O " shape seal ring, saving cost.
In general, piston 5 after a certain period of use time, all there will be certain loss, but, the piston 5 of existing structure is not easily changed, and in the technical program, the underpart of described craspedodrome connecting rod 6 is provided with screw, described piston 5 is provided with through hole, and described piston 5 is fixedly connected with craspedodrome connecting rod 6 through through hole, screw by bolt.When installing or removing, can be completed by bolt, it is quite convenient to operate.
In the technical program, described craspedodrome driving mechanism 2 is also connected with drive unit 7, the retarder 72 that described drive unit 7 comprises motor 71, is in transmission connection with described motor 71, the output terminal of described retarder 72 is connected with crank 73, and described crank 73 is connected with the movable upper end of described upper connecting rod 21.The technical program, can adopt the motor 71 of different capacity, during work according to the actual needs, motor 71 is exported and is slowed down by retarder 72, then drive crank 73 to rotate by retarder 72, thus make described water inlet pressurization mechanism carry out work, structure is simple.
In the technical program, the bottom of described cylinder body 1 is also connected with transfer valve 81 and delivery valve 82, and during water inlet, transfer valve 81 is automatically opened under the effect of negative pressure, and delivery valve 82 cuts out; When water outlet, delivery valve 82 is opened, and transfer valve 81 cuts out, and described transfer valve 81 and delivery valve 82 all adopt one-way valve.
Embodiment two.
See Fig. 6, Fig. 7, the difference of the present embodiment and embodiment one is: described craspedodrome driving mechanism 2 comprises connecting rod 21 and guide rail 22, the upper end of described craspedodrome connecting rod 6 is connected with at least one and coordinates guide wheel 24 with described guide rail 22, and described guide wheel 24 is equiped with the stationary axle 23 hinged with described upper connecting rod 21 lower end.The working principle of this craspedodrome driving mechanism 2 is: under the effect of drive unit 7, described retarder 72 drives upper connecting rod 21 to move up and down, because the stationary axle 23 of described guide wheel 24 is hinged with upper connecting rod 21, when pendulum occurs institute's above connecting rod 21, can not described guide wheel 24 be impacted, simultaneously, guide wheel 24 is under the effect of guide rail 22, move up and down along guide wheel thereupon, thus make craspedodrome connecting rod 6 achieve the mode of linear movement, this structure has structure advantage that is simple, that easily manufacture.
Other parts of the present embodiment are identical with embodiment one, do not repeating at this.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. the piston structure of a link linear motion, comprise cylinder body (1), it is characterized in that: also comprise craspedodrome driving mechanism (2), the two ends up and down of described cylinder body (1) are connected to upper end cap (3) and lower end cap (4), the inside of described cylinder body (1) is provided with piston (5), the top of described piston (5) is connected with craspedodrome connecting rod (6), and the upper end of described craspedodrome connecting rod (6) is passed upper end cap (3) and is connected with described craspedodrome driving mechanism (2).
2. the piston structure of a kind of link linear motion according to claim 1, it is characterized in that: described craspedodrome driving mechanism (2) comprises connecting rod (21) and guide rail (22), the lower end of described upper connecting rod (21) is connected with the movable upper end of described craspedodrome connecting rod (6), described upper connecting rod (21) arranges pin-and-hole, described pin-and-hole is equiped with stationary axle (23), and described stationary axle (23) is provided with at least one guide wheel (24) coordinated with described guide rail (22).
3. the piston structure of a kind of link linear motion according to claim 2, it is characterized in that: the two ends of described stationary axle (23) are through pin-and-hole, and the two ends of stationary axle (23) are respectively arranged with guide wheel (24), the both sides of described guide wheel (24) are provided with guide rail (22).
4. the piston structure of a kind of link linear motion according to claim 1, is characterized in that: the circumferential surface of described piston (5) is provided with at least two grooves (51), and described groove is provided with in (51) " O " shape seal ring (52).
5. the piston structure of a kind of link linear motion according to claim 1, it is characterized in that: the underpart of described craspedodrome connecting rod (6) is provided with screw, described piston (5) is provided with through hole, and described piston (5) is fixedly connected with craspedodrome connecting rod (6) through through hole, screw by bolt.
6. the piston structure of a kind of link linear motion according to claim 1, it is characterized in that: described craspedodrome driving mechanism (2) comprises connecting rod (21) and guide rail (22), the upper end of described craspedodrome connecting rod (6) is connected with at least one and coordinates guide wheel (24) with described guide rail (22), and described guide wheel (24) is equiped with the stationary axle (23) hinged with described upper connecting rod (21) lower end.
7. the piston structure of a kind of link linear motion according to claim 2, it is characterized in that: described craspedodrome driving mechanism (2) is also connected with drive unit (7), the retarder (72) that described drive unit (7) comprises motor (71), is in transmission connection with described motor (71), the output terminal of described retarder (72) is connected with crank (73), and described crank (73) is connected with the movable upper end of described upper connecting rod (21).
8., according to the piston structure of the arbitrary described a kind of link linear motion of claim 1-7, it is characterized in that: the bottom of described cylinder body (1) is also connected with transfer valve (81) and delivery valve (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755959.1U CN204357645U (en) | 2014-12-05 | 2014-12-05 | A kind of piston structure of link linear motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755959.1U CN204357645U (en) | 2014-12-05 | 2014-12-05 | A kind of piston structure of link linear motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204357645U true CN204357645U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755959.1U Expired - Fee Related CN204357645U (en) | 2014-12-05 | 2014-12-05 | A kind of piston structure of link linear motion |
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| CN (1) | CN204357645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300459A (en) * | 2023-11-29 | 2023-12-29 | 广东毕要科技有限公司 | Automatic welding mechanical arm and accurate control method |
-
2014
- 2014-12-05 CN CN201420755959.1U patent/CN204357645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117300459A (en) * | 2023-11-29 | 2023-12-29 | 广东毕要科技有限公司 | Automatic welding mechanical arm and accurate control method |
| CN117300459B (en) * | 2023-11-29 | 2024-03-22 | 广东毕要科技有限公司 | Automatic welding mechanical arm and accurate control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20201205 |