CN204327638U - Oil hydraulic cylinder and mandrel thereof - Google Patents
Oil hydraulic cylinder and mandrel thereof Download PDFInfo
- Publication number
- CN204327638U CN204327638U CN201420683456.8U CN201420683456U CN204327638U CN 204327638 U CN204327638 U CN 204327638U CN 201420683456 U CN201420683456 U CN 201420683456U CN 204327638 U CN204327638 U CN 204327638U
- Authority
- CN
- China
- Prior art keywords
- hard solder
- containing groove
- solder block
- axle
- connecting part
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- 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
Links
- 229910000679 solder Inorganic materials 0.000 claims description 65
- 238000005299 abrasion Methods 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 150000001879 copper Chemical class 0.000 claims description 7
- 241000278713 Theora Species 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000011241 protective layer Substances 0.000 abstract 4
- 239000002131 composite material Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012856 packing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model provides an oil hydraulic cylinder and a mandrel thereof, wherein the mandrel comprises a shaft body and a protective layer; the shaft body is defined with a central axis and comprises a large-diameter section and a small-diameter section integrally extending from the large-diameter section; the protective layer is welded on the outer surface of the large-diameter section of the shaft body and is an annular structure with the center located on the central axis; the radius of the protective layer is the maximum radius of each part in the mandrel, and the wear resistance of the protective layer is greater than that of the shaft body, so that the composite mandrel capable of reducing wear is provided. The utility model discloses can reduce the wearing and tearing of mandrel and cylinder inner wall face, make the utilization and the life-span of mandrel improve, and then avoid the mandrel because of wearing and tearing the waste that must abandon.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, and is provided with oil hydraulic cylinder and the axle thereof of armour layer in particular to a kind of weldering.
Background technique
Conventional oil hydraulic cylinder has a cylinder body and is placed in the axle in cylinder body, and above-mentioned axle can move back and forth in cylinder body, and in the process of above-mentioned movement, axle need rub constantly with the internal face of cylinder body.Therefore, axle must possess enough abrasion resistances and intensity, and for meeting above-mentioned requirements, axle be mostly have the material of abrasion resistance and intensity one-body molded made by.
But the position that described axle need rub with cylinder body only accounts for a part for overall volume, if the position therefore and by axle being not used to rub uses identical material with the above-mentioned friction position of abrasion resistance and intensity that needs, improve making the holistic cost of axle.And when conventional axle produces certain abrasion, cannot repair producing and the waste that must abandon.
So improving of the above-mentioned defect of the utility model people thoughts, so spy concentrates on studies and coordinates the utilization of scientific principle, proposes a kind of reasonable in design and effectively improve the utility model of above-mentioned defect finally.
Model utility content
The purpose of this utility model is to provide a kind of oil hydraulic cylinder and axle thereof, the problem that its axle that can effectively solve common oil cylinder pressure produces.
The utility model embodiment provides a kind of oil hydraulic cylinder, comprising: a cylinder body, has an internal face, and this internal face surrounds the motion space defining a perforate and extend internally from this perforate; One axle, definition have a central shaft to, this axle is axially movably placed in the motion space of this cylinder body along this center, and this axle includes: an axis body, the path section including a large footpath section and extend from this large footpath section one, this path section outer surface is separated with a gap mutually with the internal face of this cylinder body, and this path section includes the end away from this large footpath section, and this end of this path section is positioned at the perforate of this cylinder body; And an armour layer, the outer surface of this axis body large footpath section is located in weldering, and the abrasion resistance of this armour layer is greater than the abrasion resistance of this axis body, and the real internal face being connected to this cylinder body of this armour layer; One pushing and pressing seat, is installed in this end of this path section; And a set of connection module, be installed in the tapping of this cylinder body and at least partly position is between this path section outer surface and this inboard wall of cylinder block face, and this cover connection module is seamlessly connected to this path section outer surface and this inboard wall of cylinder block face.
Further, the recessed containing groove being formed with a ring-type of large footpath section outer surface of this axis body, and the center base of this containing groove falls within this central axis, and this containing groove has a diapire and is connected in the two side of this diapire; This oil hydraulic cylinder includes an O type ring further, and this O type ring is placed in this containing groove at least partly, and this O type ring folder is under the pressure of between the diapire of this containing groove and the internal face of this cylinder body.
Further, this armour layer is separated into one first hard solder block and one second hard solder block by this containing groove, all in the form of a ring and respective center base falls within this central axis, and this first hard solder block and this second hard solder block ora terminalis adjacent one another are trim mutually with the two side of this containing groove respectively for this first hard solder block and this second hard solder block.
Further, this large footpath section definition has one first connecting part and one second connecting part, and this first connecting part and this second connecting part lay respectively at the two opposite sides of this containing groove, and this first binding site is in the side of this path section contiguous; This first hard solder block and this second hard solder block weld respectively is located at this first connecting part and this second connecting part, this O type loop section stretch out this containing groove and position between this first hard solder block and this second hard solder block.
Preferably, this first connecting part has a junction plane and a bead, this bead to stretch out formation from the ora terminalis of this junction plane this path section contiguous, the junction plane of this first connecting part is located in the weldering of this first hard solder block, and this first hard solder block is located at this bead away from an ora terminalis weldering of this containing groove.
Preferably, this second connecting part has a junction plane and is connected in a cambered surface of this junction plane, this cambered surface position is at the position of this second connecting part away from this containing groove, the junction plane of this second connecting part is located in the weldering of this second hard solder block, and this second hard solder block trims the cambered surface in this second connecting part away from an ora terminalis of this containing groove.
The utility model embodiment separately provides a kind of axle of oil hydraulic cylinder, and definition has a central axis, and this axle comprises: an axis body, the path section including a large footpath section and extend from this large footpath section one; And a copper clad layers, the outer surface of this axis body large footpath section is located in weldering, be located in the circular structure of this central axis centered by this copper clad layers, and the radius of this copper clad layers is the maximum radius at each position in this axle, the abrasion resistance of this armour layer is greater than the abrasion resistance of this axis body.
Further, the recessed containing groove being formed with a ring-type of large footpath section outer surface of this axis body, and the center base of this containing groove falls within this central axis, and this copper clad layers is separated into one first hard solder block and one second hard solder block by this containing groove.
Further, this containing groove has a diapire and is connected in the two side of this diapire, this the first hard solder block and this second hard solder block are all identical in circular and respective radius, and this first hard solder block and this second hard solder block ora terminalis adjacent one another are trim mutually with the two side of this containing groove respectively.
In sum, the oil hydraulic cylinder that the utility model embodiment provides, its axle welds with armour layer (copper clad layers) the large footpath section being located at axis body formed, so as to making the axis body of axle compared to armour layer, abrasion resistance and the lower material of intensity can be selected, to reduce the wearing and tearing in axle and inboard wall of cylinder block face, improve with the usability and life-span that make axle, and then the waste avoiding axle must abandon because of abrasion.
For can further understand feature of the present utility model and technology contents; refer to following about detailed description of the present utility model and accompanying drawing; but appended accompanying drawing only provides reference and explanation use, is not used for doing any restriction to rights protection scope of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model oil hydraulic cylinder;
Fig. 2 is the decomposing schematic representation of Fig. 1;
Fig. 3 is the decomposing schematic representation at another visual angle of Fig. 1;
Fig. 4 is the cross-sectional schematic of Fig. 1 along A-A hatching line;
Fig. 5 is the perspective cross-sectional schematic diagram of Fig. 1;
Fig. 6 is the close-up schematic view at C position in Fig. 5;
Fig. 7 is the schematic diagram that Fig. 5 omits cylinder body and spring module;
Fig. 8 is the axis body schematic diagram in Fig. 5.
[description of reference numerals]
100 oil hydraulic cylinders
1 cylinder body
11 internal faces
12 perforates
13 motion spaces
14 relief holes
2 axles
21 axis bodies
211 large footpath sections
2111 containing grooves
2112 diapires
2113 sidewalls
2114 first connecting parts
2114a junction plane
2114b bead
2115 second connecting parts
2115a junction plane
2115b cambered surface
212 path sections
213 accepting grooves
22 armour layers (as: copper clad layers)
221 first hard solder blocks
222 second hard solder blocks
3 packing rings
4 O type rings
5 spring modules
51 positioning blocks
52 extension springs
6 pushing and pressing seats
7 cover connection modules
71 nuts
72 anti-dust seals
73 wear-resistant strips
74 gum covers
L central axis
Embodiment
Refer to Fig. 1 to Fig. 8; it is an embodiment of the present utility model; what need first illustrate is; correlated measure mentioned by the present embodiment respective figure and external form; only in order to specifically describe possibility mode of execution of the present utility model; so that understand its content, and be not used to limit to protection domain of the present utility model.
As shown in Figure 1 to Figure 3, the present embodiment is a kind of oil hydraulic cylinder 100, comprises cylinder body 1, axle 2, packing ring 3, O type ring 4, spring module 5, pushing and pressing seat 6 and an a set of connection module 7.Wherein, packing ring 3 and O type ring 4 are installed in one end (axle 2 bottom as in Fig. 5) of axle 2, and push against the other end (axle 2 top as in Fig. 5) that seat 6 is installed in axle 2.Above-mentioned axle 2 and spring module 5 are placed in cylinder body 1, and spring module 5 connects axle 2 and cylinder body 1, and overlap connection module 7 and be roughly installed between axle 2 and cylinder body 1.Below each component structure respectively with regard to above-mentioned oil hydraulic cylinder 100 is done an explanation, and introduce the annexation between each assembly in good time.
Refer to Fig. 2, Fig. 3 and Fig. 5, roughly cylindrically, cylinder body 1 has an internal face 11 to described cylinder body 1, and internal face 11 surrounds the perforate 12 defining a circle and the roughly cylindrical motion space 13 extended internally from perforate 12.Moreover cylinder body 1 is provided with the relief hole 14 being through to internal face 11 by outer surface.
Described axle 2 definition has a central axis L, and axle 2 is roughly symmetrical in above-mentioned central axis L.Axle 2 centrally axis L is placed in the motion space 13 of cylinder body 1 movably, and axle 2 includes the circular armour layer 22 that above-mentioned axis body 21 is located in an axis body 21 and a weldering.Wherein, described armour layer 22 is for a copper clad layers 22 (mode of execution is axle copper-clad) in the present embodiment, and the radius of armour layer 22 is the maximum radius at each position among axle 2, but not as limit.And axle 2 is the internal faces 11 (as Fig. 4 and Fig. 5) being only connected to cylinder body 1 with its armour layer 22.
Described axis body 21 includes a path section 212 of a large footpath section 211 and the extension of arrogant footpath section 211 one, the radius of above-mentioned large footpath section 211 is greater than the radius of path section 212, and the length that large footpath section 211 corresponds to central axis L is less than the length that path section 212 corresponds to central axis L.
Wherein, large footpath section 211 outer surface adjacent to above-mentioned cylinder body 1 internal face 11 is recessed is formed with a circular and containing groove 2111 for even depth, and the center base of containing groove 2111 falls within central axis L, above-mentioned containing groove 2111 has a diapire 2112 and is connected in the two side 2113 (as Fig. 6) of diapire 2112.Described large footpath section 211 away from path section 212 bottom end (large footpath section 211 bottom end as in Fig. 3) inwardly centrally axis L direction recessed to path section 212 to be formed with an accepting groove 213.
Moreover, please refer to shown in Fig. 6 to Fig. 8, section 211 definition of described large footpath has one first connecting part 2114 and one second connecting part 2115, first connecting part 2114 and the second connecting part 2115 lay respectively at the two opposite sides (as: with downside on the upside of the containing groove 2111 in Fig. 6) of containing groove 2111, and 2114, the first connecting part is in the side of contiguous path section 212.Described path section 212 outer surface is separated with a gap mutually with the internal face 11 of cylinder body 1, and path section 212 includes the end (path section 212 tip portion as in Fig. 5) away from large footpath section 211, and the end of above-mentioned path section 212 is roughly positioned at perforate 12 place of cylinder body 1.
The outer surface of above-mentioned axis body 21 large footpath section 211 is located in described armour layer 22 weldering, and the abrasion resistance of armour layer 22 is greater than the abrasion resistance of axis body 21, and armour layer 22 is connected in fact the internal face 11 of cylinder body 1.That is, the utility model utilizes the mode of axle copper-clad, and the axis body 21 of axle 2 can select abrasion resistance and the lower material of intensity, so as to reducing the integral material cost of axle 2 compared to armour layer 22.And after axle 2 uses a period of time, the armour layer 22 worn away, by the mode of follow-up repairing, makes axle 2 repeatedly be utilized, and avoids the waste that axle 2 must be abandoned because of abrasion.
Wherein, described armour layer 22 is separated into one first hard solder block 221 and one second hard solder block 222 by containing groove 2111 in the present embodiment, first hard solder block 221 and the second hard solder block 222 are all roughly the same in circular and respective radius, and the first hard solder block 221 and the respective center base of the second hard solder block 222 fall within central axis L.Say further, described first hard solder block 221 and the second hard solder block 222 weld the first connecting part 2114 and the second connecting part 2115 being located at large footpath section 211 respectively, first hard solder block 221 and the second hard solder block 222 ora terminalis (as the first hard solder block 221 bottom edge in Fig. 7 and the second hard solder block 222 top edge) adjacent one another are trim mutually with the two side 2113 of containing groove 2111 respectively (that is, arrange in coplanar).
In more detail, described first connecting part 2114 has an a junction plane 2114a and bead 2114b, above-mentioned junction plane 2114a is the circular outer surface of the first contiguous cylinder body 1 internal face 11 in connecting part 2114, described bead 2114b from the ora terminalis (the junction plane 2114a top edge as in Fig. 8) of the contiguous path section 212 of junction plane 2114a towards cylinder body 1 internal face 11 stretch out formed.The junction plane 2114a of the first connecting part 2114 is located in described first hard solder block 221 weldering, and the first hard solder block 221 is located at above-mentioned bead 2114b (as Fig. 8) away from an ora terminalis (the first hard solder block 221 top edge as in Fig. 7) weldering of containing groove 2111.
Moreover, described second connecting part 2115 has a junction plane 2115a and is connected in a cambered surface 2115b of junction plane 2115a, above-mentioned junction plane 2115a is the circular outer surface of contiguous cylinder body 1 internal face 11 in the second connecting part 2115, and described cambered surface 2115b is positioned at the position of the second connecting part 2115 away from containing groove 2111.The junction plane 2115a of the second connecting part 2115 is located in described second hard solder block 222 weldering, and the second hard solder block 222 trims the cambered surface 2115b (as Fig. 8) in the second connecting part 2115 away from the ora terminalis (the second hard solder block 222 bottom edge as in Fig. 7) of containing groove 2111.
In addition, junction plane 2114a, 2115a of described first connecting part 2114 and the second connecting part 2115 are for smooth surface in the accompanying drawing of the present embodiment, but those junction planes 2114a, 2115a are also by promoting roughness, to make the first hard solder block 221 and the second hard solder block 222 can be more firmly combined thereon.
Described packing ring 3 is placed in containing groove 2111 with O type ring 4 all at least partly, say further, packing ring 3 and O type ring 4 each several part stretch out containing groove 2111 and position between the first hard solder block 221 and the second hard solder block 222, and the outer surface of packing ring 3 not only stretches out containing groove 2111, and roughly mutually trim with the outer surface of the first hard solder block 221.Described O type ring 4 is then that folder is under the pressure of between the diapire 2112 of above-mentioned containing groove 2111 and the internal face 11 of cylinder body 1.
Refer to Fig. 2, Fig. 3 and Fig. 5, described spring module 5 includes two positioning block 51 and extension springs 52, above-mentioned two positioning blocks 51 lay respectively at the bottom in the bottom land of axle 2 accepting groove 213 and cylinder body 1, and described two positioning blocks 51 are be fixed in axle 2 and cylinder body 1 with screwed lock respectively in the present embodiment, but its means of fixation is not as limit.Described extension spring 52 is then placed in the accepting groove 213 of axle 2, and the opposite end of extension spring 52 is then individually fixed in this two positioning block 51.
Described pushing and pressing seat 6 being such as that the mode of screw locking is installed in the end of axis body 21 path section 212, with make axle 2 centrally axis L and move relative to cylinder body 1 time, pushing and pressing seat 6 can move together with axle 2.
Described cover connection module 7 be installed in cylinder body 1 perforate 12 place and at least partly position between path section 212 outer surface and cylinder body 1 internal face 11, and overlap connection module 7 and be roughly seamlessly connected to this path section 212 outer surface and cylinder body 1 internal face 11, so as to avoiding the dust outside oil hydraulic cylinder 100 to enter in motion space 13 through the perforate 12 of cylinder body 1, and then keep the running fluency of oil hydraulic cylinder 100.
In more detail, above-mentioned cover connection module 7 is consist of example with several component in the present embodiment, and as shown in Figure 2 and Figure 5, cover connection module 7 includes nut 71, anti-dust seal 72, wear-resistant strip 73 and a gum cover 74.Wherein, above-mentioned anti-dust seal 72, wear-resistant strip 73 and gum cover 74 are roughly in circular, and anti-dust seal 72 and wear-resistant strip 73 compartment of terrain are fixedly arranged on the inner edge of nut 71.Moreover, be equiped with the nut 71 of anti-dust seal 72 and wear-resistant strip 73 between path section 212 outer surface and cylinder body 1 internal face 11, and the inner edge of nut 71, anti-dust seal 72 and wear-resistant strip 73 is roughly seamlessly connected to path section 212 outer surface, the outer rim of above-mentioned nut 71 is then roughly seamlessly connected to cylinder body 1 internal face 11.Described gum cover 74 is sheathed on the outer surface of cupular part of cylinder body 1 and abuts the part apical margin of nut 71.
In sum, the oil hydraulic cylinder that the utility model embodiment provides, its axle welds with armour layer (copper clad layers) the large footpath section being located at axis body formed, so as to making the axis body of axle compared to armour layer, abrasion resistance and the lower material of intensity can be selected, to reduce the integral material cost of axle.And after axle uses a period of time, the armour layer worn away, by the mode of follow-up repairing, to enable axle repeatedly be utilized, and avoids the waste that axle must be abandoned because of abrasion.
The foregoing is only better possible embodiments of the present utility model, it is also not used to limit to protection domain of the present utility model, and all equalizations done according to the utility model application protection domain change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. an oil hydraulic cylinder, is characterized in that, comprising:
One cylinder body, has an internal face, and this internal face surrounds the motion space defining a perforate and extend internally from this perforate;
One axle, definition have a central shaft to, this axle is axially movably placed in the motion space of this cylinder body along this center, and this axle includes:
One axis body, the path section including a large footpath section and extend from this large footpath section one, this path section outer surface is separated with a gap mutually with the internal face of this cylinder body, and this path section includes the end away from this large footpath section, and this end of this path section is positioned at the perforate of this cylinder body; And
One armour layer, the outer surface of this axis body large footpath section is located in weldering, and the abrasion resistance of this armour layer is greater than the abrasion resistance of this axis body, and this armour layer is connected to the internal face of this cylinder body;
One pushing and pressing seat, is installed in this end of this path section; And
A set of connection module, is installed in the tapping of this cylinder body and at least partly position is between this path section outer surface and this inboard wall of cylinder block face, and this cover connection module is seamlessly connected to this path section outer surface and this inboard wall of cylinder block face.
2. oil hydraulic cylinder as claimed in claim 1, it is characterized in that, the recessed containing groove being formed with a ring-type of large footpath section outer surface of this axis body, and the center base of this containing groove falls within this central axis, this containing groove has a diapire and is connected in the two side of this diapire; This oil hydraulic cylinder includes an O type ring further, and this O type ring is placed in this containing groove at least partly, and this O type ring folder is under the pressure of between the diapire of this containing groove and the internal face of this cylinder body.
3. oil hydraulic cylinder as claimed in claim 2, it is characterized in that, this armour layer is separated into one first hard solder block and one second hard solder block by this containing groove, all in the form of a ring and respective center base falls within this central axis, and this first hard solder block and this second hard solder block ora terminalis adjacent one another are trim mutually with the two side of this containing groove respectively for this first hard solder block and this second hard solder block.
4. oil hydraulic cylinder as claimed in claim 3, it is characterized in that, this large footpath section definition has one first connecting part and one second connecting part, and this first connecting part and this second connecting part lay respectively at the two opposite sides of this containing groove, and this first binding site is in the side of this path section contiguous; This first hard solder block and this second hard solder block weld respectively is located at this first connecting part and this second connecting part, this O type loop section stretch out this containing groove and position between this first hard solder block and this second hard solder block.
5. oil hydraulic cylinder as claimed in claim 4, it is characterized in that, this first connecting part has a junction plane and a bead, this bead to stretch out formation from the ora terminalis of this junction plane this path section contiguous, the junction plane of this first connecting part is located in the weldering of this first hard solder block, and this first hard solder block is located at this bead away from an ora terminalis weldering of this containing groove.
6. oil hydraulic cylinder as claimed in claim 5, it is characterized in that, this second connecting part has a junction plane and is connected in a cambered surface of this junction plane, this cambered surface position is at the position of this second connecting part away from this containing groove, the junction plane of this second connecting part is located in the weldering of this second hard solder block, and this second hard solder block trims the cambered surface in this second connecting part away from an ora terminalis of this containing groove.
7. the oil hydraulic cylinder as described in any one of claim 1 to 6, is characterized in that, this armour layer is further defined to a copper clad layers, and this axle is only connected to the internal face of this cylinder body with its copper clad layers.
8. an axle for oil hydraulic cylinder, definition has a central axis, and the axle of this oil hydraulic cylinder is characterised in that, comprising:
One axis body, the path section including a large footpath section and extend from this large footpath section one; And
One copper clad layers, the outer surface of this axis body large footpath section is located in weldering, be located in the circular structure of this central axis centered by this copper clad layers, and the radius of this copper clad layers is the maximum radius at each position among this axle, the abrasion resistance of this copper clad layers is greater than the abrasion resistance of this axis body.
9. the axle of oil hydraulic cylinder as claimed in claim 8, it is characterized in that, the recessed containing groove being formed with a ring-type of large footpath section outer surface of this axis body, and the center base of this containing groove falls within this central axis, this copper clad layers is separated into one first hard solder block and one second hard solder block by this containing groove.
10. the axle of oil hydraulic cylinder as claimed in claim 9, it is characterized in that, this containing groove has a diapire and is connected in the two side of this diapire, this the first hard solder block and this second hard solder block are all identical in circular and respective radius, and this first hard solder block and this second hard solder block ora terminalis adjacent one another are trim mutually with the two side of this containing groove respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103217767U TWM496701U (en) | 2014-10-06 | 2014-10-06 | Hydraulic cylinder and mandrel thereof |
| TW103217767 | 2014-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327638U true CN204327638U (en) | 2015-05-13 |
Family
ID=53164005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420683456.8U Expired - Fee Related CN204327638U (en) | 2014-10-06 | 2014-11-13 | Oil hydraulic cylinder and mandrel thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204327638U (en) |
| TW (1) | TWM496701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363351A (en) * | 2016-08-31 | 2017-02-01 | 南京创力传动机械有限公司 | Machining method of corrosion-resisting shaft and corrosion-resisting shaft |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI607826B (en) * | 2015-10-27 | 2017-12-11 | 高明鐵企業股份有限公司 | Extruding machine and center finding device thereof |
-
2014
- 2014-10-06 TW TW103217767U patent/TWM496701U/en not_active IP Right Cessation
- 2014-11-13 CN CN201420683456.8U patent/CN204327638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363351A (en) * | 2016-08-31 | 2017-02-01 | 南京创力传动机械有限公司 | Machining method of corrosion-resisting shaft and corrosion-resisting shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM496701U (en) | 2015-03-01 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191113 |