CN202215896U - Foundation pin of warp knitting machine - Google Patents
Foundation pin of warp knitting machine Download PDFInfo
- Publication number
- CN202215896U CN202215896U CN2011203302556U CN201120330255U CN202215896U CN 202215896 U CN202215896 U CN 202215896U CN 2011203302556 U CN2011203302556 U CN 2011203302556U CN 201120330255 U CN201120330255 U CN 201120330255U CN 202215896 U CN202215896 U CN 202215896U
- Authority
- CN
- China
- Prior art keywords
- air cavity
- bearing plate
- axle part
- hole
- upper bearing
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Knitting Machines (AREA)
Abstract
The utility model discloses a foundation pin of a warp knitting machine, which comprises an upper bearing plate and a lower bearing plate. A first shaft part extending downwards along the lower end face of the upper bearing plate is arranged on the upper bearing plate; a second shaft part extending upwards along the upper end face of the lower bearing plate is arranged on the lower bearing plate; and the first shaft part is connected with the second shaft part in a sliding way and is matched with the second shaft part in an air-tight seal manner. A spring and an airtight air cavity are arranged between the upper bearing plate and the first shaft part and the lower bearing plate and the second shaft part. Both of the cross sections of the upper and the lower bearing plates are circular, the first shaft part is in cylindrical, and the second shaft pat is provided with a cylindrical blind hole. The airtight air cavity consists of a first air cavity, a second air cavity and a third air cavity, wherein the first air cavity is formed between the first shaft part and the cylindrical blind hole, the second air cavity is communicated with the first air cavity and is formed along an axial hole arranged axially on the first shaft part, and the third air cavity is communicated with the second air cavity and is formed along a radial hole radially arranged on the upper bearing plate. The foundation pin of the warp knitting machine has good damping performance, can bear greater leading force, can prevent a bed from turning over, and can be popularized and applied in equipment such as the warp knitting machine and the like.
Description
Technical field
The utility model relates to a kind of lower margin, particularly relates to a kind of lower margin that is applied in textile manufacturing machine such as warp knitting machine or other process equipment.
Background technique
Existing textile manufacturing machine; Particularly the employed lower margin of warp knitting machine adopts following two kinds of structures usually, first kind as Chinese utility model patent, and the patent No. is ZL201020114221.9; Name is called the disclosed a kind of structure of a kind of base lower margin; It comprises upper plate and the lower plate that laterally arranges with upper plate, between said upper plate and lower plate, forms cavity, is installed on bolt on the said lower plate and passes said lower plate and stretch into this cavity.The lower margin of this structure; Bigger because the static load power that its deadweight is produced that though the equipment that can bear applies during with work because the dynamic load power that vibrations are produced; But the vibrations that produced in the time of can't reducing equipment work owing to it; Make that the lathe bed magnitude of vibrations of equipment is bigger, thereby influenced the machining accuracy and the working life of equipment greatly.Second kind as Chinese utility model patent; The patent No. is ZL 200920233218.6; Name is called the disclosed a kind of structure of lathe lower margin isolation mounting; Each lower margin mounting hole of its lathe comprises a through hole and a tapped hole, and shock-proof device comprises regulates bolt, locking nut, spherical washer, socket head screw, Support cushion and positioning screwn; Regulate the bolt bottom surface and be provided with threaded connection hole; Support cushion is provided with center step hole and edge through hole, regulates bolt and is connected with said tapped hole, and locking nut is connected on the adjusting bolt of tapped hole top; Regulate the bottom of bolt and stretch in the heavy stand, spherical washer is located between the bottom surface and heavy stand of regulating bolt, and step hole links to each other with the threaded connection hole of regulating the bolt bottom surface socket head screw from Support cushion underrun center; Through hole in the lathe lower margin mounting hole links to each other with the ground holding down bolt.On the Support cushion bottom surface, be provided with resilient pad, resilient pad is fixedly connected on the bottom surface of Support cushion.Though have certain damping performance, there is complex structure in the lower margin of this structure, the defective that damping effect is relatively poor in actual use.
Summary of the invention
The technical problem that the utility model will solve provides a kind ofly can not only bear the bigger loading force that equipment applied, and when work, also has good damping performance, and can effectively prevent a kind of warp knitting machine lower margin that lathe bed topples.
For solving the problems of the technologies described above; The utility model adopts a kind of like this warp knitting machine lower margin; This lower margin comprises upper bearing plate and lower support plate; Said upper bearing plate has along its lower end surface to the first axle part that extends below; Said lower support plate has the upwardly extending the second axle part along its upper-end surface, and said the first axle part is slidingly connected with the second axle part and hermetic seal cooperates, and between said upper bearing plate and the first axle part and said lower support plate and the second axle part thereof, also is provided with spring and an airtight air cavity.
As a kind of preferred implementation of the utility model, the cross section of said upper and lower support plate is circle, and said the first axle part is cylindrical, and said the second axle part is provided with said the first axle part and is slidingly connected and hermetic seal matched cylindrical blind hole; Said airtight air cavity is connected by first air cavity that forms between said the first axle part and the said blind cylindrical hole, with said first air cavity and second air cavity that forms along the axial arranged axial bore of said the first axle part and be connected with said second air cavity and the 3rd air cavity that the radial hole of the said upper bearing plate radial arrangement in edge forms constitutes.
After adopting such structure; Because the lower margin of the utility model is provided with spring and an airtight air cavity between upper bearing plate and the first axle part and lower support plate and the second axle part thereof, said airtight air cavity preferably by first air cavity that forms between the first axle part and the blind cylindrical hole, be connected with first air cavity and second air cavity that forms along the axial arranged axial bore of the first axle part and be connected with second air cavity and constitute along the 3rd air cavity that the radial hole of upper bearing plate radial arrangement forms; Like this when work; Lathe bed can be born by spring because of the static load power that its deadweight is produced; Simultaneously, because lathe bed also receives the dynamic load power that is produced because of vibrations, these dynamic load power of increase can be born by air cavity simultaneously; Thereby the loading force that the combination of the utility model through spring and air cavity can be born lower margin is bigger, thereby make warp knitting machine work more reliable.In addition,, can reduce the vibrations that produced when warp knitting machine is worked greatly, reduce the magnitude of vibrations of lathe bed, thereby the lower margin damping performance of the utility model be good because spring and air cavity have good damping performance.And because upper bearing plate has along its lower end surface to the first axle part that extends below, lower support plate has the upwardly extending the second axle part along its upper-end surface; Said the first axle part is slidingly connected with the second axle part and hermetic seal cooperates; In the utility model, said the first axle part is preferably cylindrical, and said the second axle part is provided with said the first axle part and is slidingly connected and hermetic seal matched cylindrical blind hole; Thereby the utility model is when work; Through being slidingly connected and the cooperatively interacting of the first axle part that hermetic seal cooperates and the second axle part, having resisted the lateral load force of the suffered along continuous straight runs of warp knitting machine effectively, thereby prevented that reliably lathe bed from toppling.
As a kind of improvement of the utility model, the outer end of the 3rd air cavity that the radial hole of said upper bearing plate radial arrangement forms on the edge is provided with a vent hole and a bleeder screw that is used for sealing or opening said vent hole that connects with ambient air; Said vent hole comprises tapped hole section and cone shape hole section; Said bleeder screw comprise the thread section that can screw togather with the tapped hole section in the said vent hole and with the suitable conical head of the cone shape hole section in the said vent hole and respectively radially with the radial hole and the axial bore of axial arranged and mutual perforation, the tapped hole section in the said vent hole connects through the radial hole in the said bleeder screw and axial bore and ambient air.Adopt such structure; Can be through tightening or unscrewing bleeder screw with the openings of sizes between the conical head in cone shape hole section and the said bleeder screw in the adjustment vent hole; Change air quantity and air damping power size thereof in the air cavity, thereby adapt to the equipment of Different Weight and the different loads power that is applied thereof.
As the further improvement of the utility model, on the outer peripheral surface of said the first axle part, also be provided with oil storage tank, on said the second axle part, be provided with a tank filler sleeve radially.Adopt such structure, can make being slidingly connected of the first axle part and the second axle part more reliable, gas sealing ability is better, thereby makes the lower margin work of the utility model more reliable, longer service life.
Another kind as the utility model improves; Said spring preferably is made up of interior coil spring and cycle spring; On the upper-end surface of the lower end surface of said upper bearing plate and lower support plate, be provided with the paired telescoping groove that is used for the said inside and outside coil spring of setting-in accordingly, said paired telescoping groove is uniformly distributed with along the central axis of said upper bearing plate or lower support plate.Adopt such structure, on the one hand spring can be installed between upper bearing plate and the lower support plate more accurately, the compound mode of this on the other hand interior coil spring and cycle spring can avoid spring that resonance effect takes place when work well.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further to specify.
Fig. 1 is a kind of schematic top plan view of the utility model warp knitting machine lower margin.
Fig. 2 is along the cross-sectional schematic of A-A line among Fig. 1.
Fig. 3 is the schematic top plan view of upper bearing plate in the utility model.
Fig. 4 is along the cross-sectional schematic of B-B line among Fig. 3.
Fig. 5 is that C among Fig. 4 is to partial schematic diagram.
Fig. 6 is the elevational schematic view of upper bearing plate in the utility model.
Fig. 7 is the elevational schematic view of lower support plate in the utility model.
Fig. 8 is along the cross-sectional schematic of D-D line among Fig. 7.
Fig. 9 is the cross-sectional schematic of bleeder screw in the utility model.
Figure 10 is the schematic top plan view of bleeder screw in the utility model.
Embodiment
Referring to Fig. 1 to a kind of warp knitting machine lower margin shown in Figure 10; This lower margin comprises upper bearing plate 1 and lower support plate 2; Said upper bearing plate 1 has along its lower end surface to the first axle part 1-1 that extends below; Said lower support plate 2 has the upwardly extending the second axle part 2-1 along its upper-end surface; Said the first axle part 1-1 is slidingly connected with the second axle part 2-1 and hermetic seal cooperates, and between said upper bearing plate 1 and the first axle part 1-1 and said lower support plate 2 and the second axle part 2-1 thereof, also is provided with spring 3 and an airtight air cavity 4.In the utility model, said upper bearing plate 1 and the first axle part 1-1 thereof can be a single piece that is made into integration through turning, also can be to be separately made the single piece through welding or being threaded and constituting then, and said lower support plate 2 and the second axle part 2-1 thereof are roughly the same.
A kind of preferred implementation as the utility model; Said upper and lower support plate 1; 2 cross section is circle, and said the first axle part 1-1 is cylindrical, and said the second axle part 2-1 is provided with said the first axle part 1-1 and is slidingly connected and hermetic seal matched cylindrical blind hole 2-2; Said airtight air cavity 4 preferably by the first air cavity 4-1 that forms between said the first axle part 1-1 and the said blind cylindrical hole 2-2, be connected with the said first air cavity 4-1 and the second air cavity 4-2 that the axial arranged axial bore of the said the first axle part 1-1 in edge forms and be connected with the said second air cavity 4-2 and the 3rd air cavity 4-3 that the radial hole of said upper bearing plate 1 radial arrangement in edge forms constitutes.In the utility model, said airtight air cavity 4 also can only be made up of the first air cavity 4-1 that forms between said the first axle part 1-1 and the said blind cylindrical hole 2-2.
Another kind of mode of execution as the utility model; Can be arranged to said the second axle part 2-1 cylindrical; Be slidingly connected and hermetic seal matched cylindrical hole and be provided with said the second axle part 2-1 at said the first axle part 1-1; Said airtight air cavity 4 can be connected by first air cavity that forms between said the second axle part 2-1 and the said cylindrical hole, with said first air cavity and the second air cavity 4-2 that forms along the axial arranged axial bore of said the first axle part and be connected with the said second air cavity 4-2 and the 3rd air cavity 4-3 that the radial hole of said upper bearing plate 1 radial arrangement in edge forms constitutes, and is not shown in the figures.
For making lower margin can adapt to the warp knitting machine of Different Weight and the different loads power that is applied thereof; To be applicable to various types; Like Fig. 2, shown in 4, the utility model is provided with a vent hole 4-4 and a bleeder screw 5 that is used for sealing or opening said vent hole 4-4 that connects with ambient air in the outer end of the 3rd air cavity 4-3 that the radial hole along said upper bearing plate 1 radial arrangement forms; Said vent hole 4-4 comprises tapped hole section 4-4-1 and cone shape hole section 4-4-2; Said bleeder screw 5 comprise the thread section 5-1 that can screw togather with the tapped hole section 4-4-1 among the said vent hole 4-4 and with the suitable conical head 5-2 of the cone shape hole section 4-4-2 among the said vent hole 4-4 and respectively radially with the radial hole 5-3 and the axial bore 5-4 of axial arranged and mutual perforation, the tapped hole section 4-4-1 among the said vent hole 4-4 connects through the radial hole 5-3 in the said bleeder screw 5 and axial bore 5-4 and ambient air.Adopt such structure; Can be through tightening or unscrewing bleeder screw 5 with the openings of sizes between the conical head 5-2 in cone shape hole section 4-4-2 and the said bleeder screw 5 among the adjustment vent hole 4-4; Change air quantity and air damping power size thereof in the air cavity, thereby adapt to the warp knitting machine of Different Weight and the different loads power that is applied thereof.
Like Fig. 2, shown in 4 and 8, on the outer peripheral surface of said the first axle part 1-1, also be provided with oil storage tank 1-1-1, on said the second axle part 2-1, be provided with a tank filler sleeve 2-1-1 radially.Can make being slidingly connected of the first axle part 1-1 and the second axle part 2-1 more reliable like this, gas sealing ability is better, thereby makes the lower margin work of the utility model more reliable, longer service life.In addition, when work, can in said tank filler sleeve 2-1-1, be screwed into oil nozzle, not shown in the figures.
Referring to Fig. 2,4,6,7 and 8; The said spring 3 of the utility model preferably is made up of interior coil spring 3-1 and cycle spring 3-2, on the upper-end surface of the lower end surface of said upper bearing plate 1 and lower support plate 2, is provided with accordingly to be used for the said inside and outside coil spring 3-1 of setting-in, the paired telescoping groove 1-2 of 3-2; 2-3; Said paired telescoping groove 1-2,2-3 is uniformly distributed with along the central axis of said upper bearing plate 1 or lower support plate 2, the paired telescoping groove 1-2 that is uniformly distributed with along upper bearing plate 1 or lower support plate 2 central axis shown in the figure; 2-3 is six, also can have four or eight or more a plurality of certainly.Such structure; Coil spring 3-1 and cycle spring 3-2 are installed between upper bearing plate 1 and the lower support plate 2 more accurately in making on the one hand; The compound mode of coil spring 3-1 and cycle spring 3-2 in this on the other hand can avoid spring that resonance effect takes place when work well.
Referring to shown in Fig. 1 to 4; The utility model also is provided with a spherical pit 1-5 and some stiffening rib 1-3 and through hole 1-4 that are uniformly distributed with along its axis in the upper-end surface of upper bearing plate 1; Corresponding to said through hole 1-4; Correspondingly on said lower support plate 2, be provided with some tapped hole 2-4, can upper bearing plate 1 and lower support plate 2 be linked together through some bolts like this.The utility model can be against the bulb end of a ball stud among the spherical pit 1-5 of said upper bearing plate 1 upper-end surface in use, and the other end is connected with the fuel tank base thread of warp knitting machine.In addition, the lower margin of the utility model also can be applicable to other textile machinery such as warping machine, in the medium-sized or big machinery process equipment of weaving machine etc. or other.
The utility model has good damping performance through on probation when work, can bear bigger loading force, and can prevent that lathe bed from toppling, and simple in structure, reliable operation has obtained good effect.
Claims (5)
1. warp knitting machine lower margin; It is characterized in that: this lower margin comprises upper bearing plate (1) and lower support plate (2); Said upper bearing plate (1) has along its lower end surface to the first axle part that extends below (1-1); Said lower support plate (2) has the upwardly extending the second axle part (2-1) along its upper-end surface; Said the first axle part (1-1) is slidingly connected with the second axle part (2-1) and hermetic seal cooperates, and between said upper bearing plate (1) and the first axle part (1-1) and said lower support plate (2) and the second axle part (2-1) thereof, also is provided with a spring (3) and an airtight air cavity (4).
2. warp knitting machine lower margin according to claim 1; It is characterized in that: said upper and lower support plate (1; 2) cross section is circle; (1-1) is cylindrical for said the first axle part, and said the second axle part (2-1) is provided with said the first axle part (1-1) and is slidingly connected and hermetic seal matched cylindrical blind hole (2-2); Said airtight air cavity (4) is connected by first air cavity (4-1) that forms between said the first axle part (1-1) and the said blind cylindrical hole (2-2), with said first air cavity (4-1) and second air cavity (4-2) that forms along the axial arranged axial bore of said the first axle part (1-1) and the 3rd air cavity (4-3) formation that is connected with said second air cavity (4-2) and forms along the radial hole of said upper bearing plate (1) radial arrangement.
3. warp knitting machine lower margin according to claim 2 is characterized in that: the outer end of the 3rd air cavity (4-3) that the radial hole of said upper bearing plate (1) radial arrangement forms on the edge is provided with a vent hole that connects with ambient air (4-4) and a bleeder screw (5) that is used for sealing or opening said vent hole (4-4); Said vent hole (4-4) comprises tapped hole section (4-4-1) and cone shape hole section (4-4-2); Said bleeder screw (5) comprise the thread section (5-1) that can screw togather with the tapped hole section (4-4-1) in the said vent hole (4-4) and with the suitable conical head (5-2) of the cone shape hole section (4-4-2) in the said vent hole (4-4) and respectively radially with radial hole (5-3) and the axial bore (5-4) of axial arranged and mutual perforation, the tapped hole section (4-4-1) in the said vent hole (4-4) connects through the radial hole (5-3) in the said bleeder screw (5) and axial bore (5-4) and ambient air.
4. warp knitting machine lower margin according to claim 3 is characterized in that: on the outer peripheral surface of said the first axle part (1-1), also be provided with oil storage tank (1-1-1), on said the second axle part (2-1), be provided with a tank filler sleeve (2-1-1) radially.
5. according to each described warp knitting machine lower margin in the claim 2 to 4; It is characterized in that: said spring (3) is made up of interior coil spring (3-1) and cycle spring (3-2); On the upper-end surface of the lower end surface of said upper bearing plate (1) and lower support plate (2), be provided with accordingly and be used for the said inside and outside coil spring (3-1 of setting-in; Paired telescoping groove (1-2 3-2); 2-3), (1-2,2-3) central axis along said upper bearing plate (1) or lower support plate (2) is uniformly distributed with said paired telescoping groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203302556U CN202215896U (en) | 2011-09-05 | 2011-09-05 | Foundation pin of warp knitting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203302556U CN202215896U (en) | 2011-09-05 | 2011-09-05 | Foundation pin of warp knitting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202215896U true CN202215896U (en) | 2012-05-09 |
Family
ID=46015151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011203302556U Withdrawn - After Issue CN202215896U (en) | 2011-09-05 | 2011-09-05 | Foundation pin of warp knitting machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202215896U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102359699A (en) * | 2011-09-05 | 2012-02-22 | 常州市润源经编机械有限公司 | Anchor of warp knitting machine |
CN102878234A (en) * | 2012-09-20 | 2013-01-16 | 北京睿力恒一物流技术股份公司 | Conical helical spring buffer |
CN103968202A (en) * | 2014-05-12 | 2014-08-06 | 苏州意玛斯砂光设备有限公司 | Rack positioning assembly |
CN105318150A (en) * | 2014-07-15 | 2016-02-10 | 冠研(上海)企业管理咨询有限公司 | Shockproof foot seat with alignment structure |
CN106090116A (en) * | 2016-08-19 | 2016-11-09 | 马弗橡塑(镇江)有限公司 | For supporting the damping device of feed bin |
CN107191536A (en) * | 2017-06-28 | 2017-09-22 | 杨舜琦 | A kind of Multipurpose vibration absorbing table |
CN108612963A (en) * | 2016-12-13 | 2018-10-02 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
CN108758185A (en) * | 2018-08-03 | 2018-11-06 | 合肥联宝信息技术有限公司 | A kind of shock-absorbing foot pad and electronic equipment |
-
2011
- 2011-09-05 CN CN2011203302556U patent/CN202215896U/en not_active Withdrawn - After Issue
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102359699A (en) * | 2011-09-05 | 2012-02-22 | 常州市润源经编机械有限公司 | Anchor of warp knitting machine |
CN102878234A (en) * | 2012-09-20 | 2013-01-16 | 北京睿力恒一物流技术股份公司 | Conical helical spring buffer |
CN102878234B (en) * | 2012-09-20 | 2014-12-17 | 北京睿力恒一物流技术股份公司 | Conical helical spring buffer |
CN103968202A (en) * | 2014-05-12 | 2014-08-06 | 苏州意玛斯砂光设备有限公司 | Rack positioning assembly |
CN105318150A (en) * | 2014-07-15 | 2016-02-10 | 冠研(上海)企业管理咨询有限公司 | Shockproof foot seat with alignment structure |
CN105318150B (en) * | 2014-07-15 | 2018-01-02 | 冠研(上海)专利技术有限公司 | Shockproof runners with align structures |
CN106090116A (en) * | 2016-08-19 | 2016-11-09 | 马弗橡塑(镇江)有限公司 | For supporting the damping device of feed bin |
CN106090116B (en) * | 2016-08-19 | 2019-03-15 | 马弗橡塑(镇江)有限公司 | It is used to support the damping device of feed bin |
CN108612963A (en) * | 2016-12-13 | 2018-10-02 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
CN107191536A (en) * | 2017-06-28 | 2017-09-22 | 杨舜琦 | A kind of Multipurpose vibration absorbing table |
CN108758185A (en) * | 2018-08-03 | 2018-11-06 | 合肥联宝信息技术有限公司 | A kind of shock-absorbing foot pad and electronic equipment |
CN108758185B (en) * | 2018-08-03 | 2024-02-23 | 合肥联宝信息技术有限公司 | Shock attenuation callus on sole and electronic equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102359699B (en) | Anchor of warp knitting machine | |
CN202215896U (en) | Foundation pin of warp knitting machine | |
CN102324799B (en) | Generator vibration reduction support for wind generating set | |
CN204592725U (en) | The horizontal heavy load mode of a kind of self adaption regulates parallels | |
CN107420690A (en) | A kind of damping noise reduction lower margin | |
CN101983833B (en) | Engine air valve locking plate pressure head | |
CN201856074U (en) | Pressing head structure | |
CN111288251B (en) | Numerical control machine tool anchor support | |
CN205578603U (en) | Quick -witted base of weaving with buffering shock -absorbing function | |
CN203656033U (en) | Adjustable damping type piston rod assembly | |
CN204113985U (en) | The adjustable for height vibration reduction undercarriage of a kind of embroidery machine | |
CN201574997U (en) | Strong self-lock oil cylinder | |
CN206988711U (en) | A kind of damping noise reduction lower margin | |
CN214527768U (en) | A portable hoist device for assembly of diaphragm compressor cylinder cap | |
CN103015322B (en) | Device for adjusting and fixing heights of support legs of bridge erection machine | |
CN216228777U (en) | Bearing ring internal expanding tool | |
CN208929740U (en) | A kind of center positioning mechanism of wheel hub drilling tool | |
CN209687899U (en) | Check bolt structure | |
CN204262858U (en) | A kind of eccentric part processing unit (plant) | |
CN202418188U (en) | Radial high-pressure stop nut | |
CN206943706U (en) | A kind of combined shock callus | |
CN107900604B (en) | Welding positioning tool for spring disc of shock absorber | |
CN209578383U (en) | A kind of device for being convenient for centering for carrying out roll flute process after gear and axis installation | |
CN207728730U (en) | A kind of tautness adjustable axle sleeve | |
CN2262148Y (en) | Spring loaded safety valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20120509 Effective date of abandoning: 20130508 |
|
RGAV | Abandon patent right to avoid regrant |