CN203978996U - High pressure corner pushing cylinder - Google Patents
High pressure corner pushing cylinder Download PDFInfo
- Publication number
- CN203978996U CN203978996U CN201420389880.1U CN201420389880U CN203978996U CN 203978996 U CN203978996 U CN 203978996U CN 201420389880 U CN201420389880 U CN 201420389880U CN 203978996 U CN203978996 U CN 203978996U
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- CN
- China
- Prior art keywords
- cylinder body
- spring
- piston shaft
- ball
- high pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The disclosed high pressure corner of the utility model pushing cylinder, comprises cylinder body, bottom, piston shaft and pressing plate, is fixedly installed ball on inboard wall of cylinder block, on the bottom outer wall of piston shaft, is provided with the spiral chute matching with ball; On the bottom end face of described piston shaft, be provided with mounting hole, on described bottom, be provided with plane needle bearing, on described plane needle bearing, be provided with bearing shim, between described mounting hole and described bearing shim, be provided with cluster spring; Described cylinder body upper end is embedded with the anti-dust seal and the Si Te envelope that adapt with described piston shaft successively, on the bottom outer wall of described piston shaft, is embedded with the Glais ring adapting with described cylinder body, is provided with O type circle between described bottom and described cylinder body.The utility model is simple and reasonable, volume setting is less, manufacturing cost and use cost is lower, reset speed is very fast, sealability is better.
Description
Technical field
The utility model relates to corner cylinder technical field, particularly a kind of high pressure corner pushing cylinder.
Background technique
Corner cylinder is a kind of piston shaft cylinder along self axial-rotation simultaneously in straight reciprocating motion.Common corner cylinder has pinion and-rack, linkage type and ball type, and wherein ball type corner cylinder is subject to popular favor deeply because simple in structure, manufacture cost is relatively low.If notice of authorization number is CN203560203U disclosed " a kind of novel hydraulic corner pushing cylinder ", its structure comprises cylinder body, the bottom being fixedly connected with cylinder body, piston shaft and running shaft, piston shaft one end stretches out in outside cylinder body and is fixedly connected with pressing plate by hexagon nut, the other end of piston shaft is inserted in cylinder body and is provided with the blind hole suitable with running shaft, the opening end of described blind hole is connected with retainer by fixing pin, in retainer, be arranged with ball, running shaft is fixedly installed on bottom by bearing pin, on running shaft, offer the spiral chute matching with described ball.On cylinder body, be provided with port hole in order to connect oil pump, when work, move up and down with driven plunger axle to input hydraulic pressure oil in cylinder body, under retainer, ball, running shaft and spiral fluted mating reaction, in the time of piston shaft lifting, ball rolls and makes piston shaft, pressing plate that rotation occur thereupon along spiral chute.But the defect of above-mentioned " a kind of novel hydraulic corner pushing cylinder " is: due to retainer and running shaft being set in cylinder body, causing the setting of cylinder body volume larger, and increased manufacture cost.In addition, existing corner cylinder is employing driving reset or load reset conventionally in the time that piston shaft resets, and drives reset to refer to by input hydraulic pressure or air pressure in cylinder body and makes piston shaft reset, and load reset refers to the load reset of piston shaft with clamping on pressing plate.Wherein drive the defect resetting to be by means of hydraulic pressure or air pressure, to cause user cost higher, the defect that load resets is that reset speed is relatively slow, cannot meet the user demand of corner cylinder Rapid reset.In addition, also there is the poor defect of sealability in the hydraulic corner pushing cylinder occurring in the market, needs further its structure to be improved.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of simple and reasonable, volume setting is less, manufacturing cost and use cost is lower, reset speed is very fast, the good high pressure corner of sealability pushing cylinder.
For achieving the above object, the utility model is by the following technical solutions:
High pressure corner pushing cylinder described in the utility model, comprise cylinder body, bottom, piston shaft and pressing plate, described bottom is fixedly installed on the bottom of described cylinder body, the bottom of described piston shaft is inserted in described cylinder body, the top of described piston shaft stretches out in outside described cylinder body and is fixedly connected with described pressing plate, on described inboard wall of cylinder block, be fixedly installed ball, on the bottom outer wall of described piston shaft, be provided with the spiral chute matching with described ball, on described cylinder body, be also provided with to connect the port hole of oil pump; On the bottom end face of described piston shaft, be provided with mounting hole, on described bottom, be provided with plane needle bearing, on described plane needle bearing, be provided with bearing shim, between described mounting hole and described bearing shim, be provided with cluster spring; Described cylinder body upper end is embedded with the anti-dust seal and the Si Te envelope that adapt with described piston shaft successively, on the bottom outer wall of described piston shaft, is embedded with the Glais ring adapting with described cylinder body, is provided with O type circle between described bottom and described cylinder body.
Further, on described cylinder wall, be provided with the ball formula plug that rises in order to process the auxiliary hole place of described ball.
Further, described cluster spring comprises from the inside to the outside sheathed successively spring A, spring B, spring C and spring D, on the bottom end face of described piston shaft, be also provided with the step hole coaxial with described mounting hole, described spring A, spring B and spring C coordinate the upper end forming to offset and coordinate with described mounting hole, the upper end of described spring D offsets and coordinates with described step hole, and described spring A, spring B, spring C and spring D coordinate the lower end forming to offset and coordinate with described bearing shim.
Further, described bottom is threaded with described cylinder body.
Further, on described bottom, be provided with one-way valve, described one-way valve is and is communicated with setting with described inner chamber of cylinder block.
The beneficial effects of the utility model are: by ball is set directly on inboard wall of cylinder block, and the spiral chute that setting matches with ball on the outer wall of the bottom of piston shaft, compared with prior art, the utility model is without retainer and running shaft are set, greatly reduce the volume of cylinder body, effectively reduce manufacture cost, particularly, the outer diameter of cylinder body of the present utility model is compared existing cylinder body and has been dwindled 20%; The utility model arranges mounting hole on the end face of the bottom of piston shaft, plane needle bearing and bearing shim are set on bottom, and between mounting hole and bearing shim, cluster spring are set, by cluster spring, piston shaft is resetted, reset speed is very fast, and user cost is lower; And, under the effect of plane needle bearing, in the time that piston shaft moves, can make bearing shim and cluster spring with piston shaft synchronous rotary, both ensured the smoothness of piston shaft motion, and avoided again cluster spring to occur phenomenon of rupture, effectively improved working life of the present utility model simultaneously; By be embedded successively the anti-dust seal and the Si Te envelope that adapt with piston shaft in cylinder body upper end, on the outer wall of the bottom of piston shaft, be embedded the Glais ring adapting with cylinder body, and O type circle is set between bottom and cylinder body, thereby effectively improve sealability of the present utility model, made the utility model operation more stable.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
In Fig. 1:
1, cylinder body; 2, bottom; 3, piston shaft; 4, pressing plate; 11, ball; 31, spiral chute; 12, port hole; 32, mounting hole; 21, Plane Ball bearing; 22, bearing shim; 13, anti-dust seal; 14, this special envelope; 33, Glais ring; 6, O type circle; 7, the ball formula plug that rises; 51, spring A; 52, spring B; 53, spring C; 54, spring D; 34, step hole; 23, one-way valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
High pressure corner pushing cylinder as shown in Figure 1, comprise cylinder body 1, bottom 2, piston shaft 3 and pressing plate 4, described bottom 2 is fixedly installed on the bottom of described cylinder body 1, the bottom of described piston shaft 3 is inserted in described cylinder body 1, the top of described piston shaft 3 stretches out in outside described cylinder body 1 and is fixedly connected with described pressing plate 4, on described cylinder body 1 inwall, be fixedly installed ball 11, on the bottom outer wall of described piston shaft 3, be provided with the spiral chute 31 matching with described ball 11, on described cylinder body 1, be also provided with to connect the port hole 12 of oil pump; On the bottom end face of described piston shaft 3, be provided with mounting hole 32, on described bottom 2, be provided with plane needle bearing 21, on described plane needle bearing 21, be provided with bearing shim 22, between described mounting hole 32 and described bearing shim 22, be provided with cluster spring; Described cylinder body 1 upper end is embedded with the anti-dust seal 13 and the Si Te envelope 14 that adapt with described piston shaft 3 successively, on the bottom outer wall of described piston shaft 3, be embedded with the Glais ring 33 adapting with described cylinder body 1, between described bottom 2 and described cylinder body 1, be provided with O type circle 6.
The above forms agent structure of the present utility model.
Working principle of the present utility model is: when work, to the interior input hydraulic pressure oil of cylinder body 1, piston shaft 3 is declined by port hole 12, under the mating reaction of ball 11 and spiral chute 31, make piston shaft 3 be with dynamic pressure plate 4 synchronous rotations, now cluster spring is compressed; In the time stopping to the interior input hydraulic pressure oil of cylinder body 1, piston shaft 3 is returning position under the elastic force effect of cluster spring.
The utility model is by being set directly at ball 11 on cylinder body 1 inwall, and the spiral chute 31 that setting matches with ball 11 on the outer wall of the bottom of piston shaft 3, compared with prior art, the utility model is without retainer and running shaft are set, greatly reduce the volume of cylinder body 1, effectively reduce manufacture cost, particularly, the outer diameter of cylinder body 1 of the present utility model is compared existing cylinder body and has been dwindled 20%; The utility model resets piston shaft 3 by cluster spring, and reset speed is very fast, and user cost is lower; And, under the effect of plane needle bearing 21, in the time that piston shaft 3 moves, can make bearing shim 22 and cluster spring with piston shaft 3 synchronous rotaries, both ensured the smoothness that piston shaft 3 moves, and avoided again cluster spring to occur phenomenon of rupture, effectively improved working life of the present utility model simultaneously; By be embedded successively the anti-dust seal 13 and the Si Te envelope 14 that adapt with piston shaft 3 in cylinder body 1 upper end, on the outer wall of the bottom of piston shaft 3, be embedded the Glais ring 33 adapting with cylinder body 1, and O type circle 6 is set between bottom 2 and cylinder body 1, thereby effectively improve sealability of the present utility model, made the utility model operation more stable.
On described cylinder body 1 wall, be provided with the ball formula plug 7 that rises in order to process the auxiliary hole place of described ball 11, adopt the ball formula plug 7 that rises to carry out shutoff to auxiliary hole, sealing is better, the stability while effectively having ensured the utility model work.
As a kind of preferred implementation, described cluster spring comprises from the inside to the outside sheathed successively spring A51, spring B 52, spring C53 and spring D54, on the bottom end face of described piston shaft 3, be also provided with the step hole 34 coaxial with described mounting hole 32, described spring A51, spring B 52 and spring C53 coordinate the upper end forming to offset and coordinate with described mounting hole 32, the upper end of described spring D54 offsets and coordinates with described step hole 34, and described A51, spring B 52, spring C53 and spring D54 coordinate the lower end forming to offset and coordinate with described bearing shim 22.Coordinate by above-mentioned four springs are set the cluster spring forming, make the utility model more convenient in the time of assembling, and make piston shaft 3 stressed more even, reset speed is fast, and reset effect is better.
Described bottom 2 is threaded with described cylinder body 1, easy for installation, good sealing effect.On described bottom 2, be provided with one-way valve 23, described one-way valve 23 is and is communicated with setting with described cylinder body 1 inner chamber, and the effect that one-way valve 23 is set is to discharge the air of cylinder body 1 inner chamber, avoids outside air to enter in cylinder body 1 simultaneously.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. high pressure corner pushing cylinder, comprise cylinder body (1), bottom (2), piston shaft (3) and pressing plate (4), described bottom (2) is fixedly installed on the bottom of described cylinder body (1), the bottom of described piston shaft (3) is inserted in described cylinder body (1), the top of described piston shaft (3) stretches out in outside described cylinder body (1) and is fixedly connected with described pressing plate (4), it is characterized in that: on described cylinder body (1) inwall, be fixedly installed ball (11), on the bottom outer wall of described piston shaft (3), be provided with the spiral chute (31) matching with described ball (11), on described cylinder body (1), be also provided with to connect the port hole (12) of oil pump, on the bottom end face of described piston shaft (3), be provided with mounting hole (32), on described bottom (2), be provided with plane needle bearing (21), on described plane needle bearing (21), be provided with bearing shim (22), between described mounting hole (32) and described bearing shim (22), be provided with cluster spring, described cylinder body (1) upper end is embedded with the anti-dust seal (13) and this special envelope (14) that adapt with described piston shaft (3) successively, on the bottom outer wall of described piston shaft (3), be embedded with the Glais ring (33) adapting with described cylinder body (1), between described bottom (2) and described cylinder body (1), be provided with O type circle (6).
2. high pressure corner pushing cylinder according to claim 1, is characterized in that: on described cylinder body (1) wall, be provided with the ball formula plug (7) that rises in order to process the auxiliary hole place of described ball (11).
3. high pressure corner pushing cylinder according to claim 1, it is characterized in that: described cluster spring comprises from the inside to the outside sheathed successively spring A (51), spring B (52), spring C (53) and spring D (54), on the bottom end face of described piston shaft (3), be also provided with the step hole (34) coaxial with described mounting hole (32), described spring A (51), spring B (52) and spring C (53) coordinate the upper end forming to offset and coordinate with described mounting hole (32), the upper end of described spring D (54) offsets and coordinates with described step hole (34), described spring A (51), spring B (52), spring C (53) and spring D (54) coordinate the lower end forming to offset and coordinate with described bearing shim (22).
4. high pressure corner pushing cylinder according to claim 1, is characterized in that: described bottom (2) is threaded with described cylinder body (1).
5. according to the high pressure corner pushing cylinder described in claim 1 to 4 any one, it is characterized in that: on described bottom (2), be provided with one-way valve (23), described one-way valve (23) is and is communicated with setting with described cylinder body (1) inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389880.1U CN203978996U (en) | 2014-07-15 | 2014-07-15 | High pressure corner pushing cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420389880.1U CN203978996U (en) | 2014-07-15 | 2014-07-15 | High pressure corner pushing cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978996U true CN203978996U (en) | 2014-12-03 |
Family
ID=51976448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420389880.1U Expired - Fee Related CN203978996U (en) | 2014-07-15 | 2014-07-15 | High pressure corner pushing cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110415A (en) * | 2014-07-15 | 2014-10-22 | 宁波亚吉机电科技有限公司 | High-pressure swing clamp cylinder |
-
2014
- 2014-07-15 CN CN201420389880.1U patent/CN203978996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110415A (en) * | 2014-07-15 | 2014-10-22 | 宁波亚吉机电科技有限公司 | High-pressure swing clamp cylinder |
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Legal Events
| 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 |
Granted publication date: 20141203 Termination date: 20180715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |