CN202884094U - Friction-free ball valve based on gear transmission - Google Patents
Friction-free ball valve based on gear transmission Download PDFInfo
- Publication number
- CN202884094U CN202884094U CN 201220527551 CN201220527551U CN202884094U CN 202884094 U CN202884094 U CN 202884094U CN 201220527551 CN201220527551 CN 201220527551 CN 201220527551 U CN201220527551 U CN 201220527551U CN 202884094 U CN202884094 U CN 202884094U
- Authority
- CN
- China
- Prior art keywords
- gear
- valve
- driving plate
- disk
- adjusting
- 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
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a friction-free ball valve based on gear transmission. The friction-free ball valve comprises a valve body, a valve ball, a valve seat and a support seat. The ball valve further comprises a drive plate gear, a drive rod gear and an adjusting gear. The drive plate gear comprises a circular disc and two clamp feet arranged on one side of the circular disc. Through holes are formed in the middle of the circular disc. Teeth are arranged on one section of the periphery of the circular disc. After the two clamp feet penetrate through circular holes, the clamp feet are clamped in two L-shaped grooves. The drive rod gear comprises a gear and a drive rod which is arranged on one side of the gear coaxially. The adjusting gear comprises an upper gear and a lower gear. The lower gear is only provided with one section of teeth. When the adjusting gear rotates 90 degrees, teeth on the lower gear are separated from the teeth on the circular disc. According to the friction-free ball valve, an intermittent gear transmission mode is used, rotating-inclining step-by-step movement of the valve ball is achieved, structure is simple, machining is easy, and the friction-free ball valve is suitable for volume production so that cost is lowered.
Description
Technical field
The utility model relates to a kind of ball valve, relates in particular to a kind of based on gear-driven nothing friction ball valve.
Background technique
At present, known ball valve generally adopts the structure of valve ball pre-pressing sealing surface of seat, realizes opening and closing of valve by direct rotation valve ball, and its shortcoming is because valve seal needs certain pretightening force, so it is larger to open and close required moment, the wearing and tearing of valve ball and valve seat are also larger.Also have a kind of valve ball of realizing to rotate the frictionless orbiting valve, usually adopt and be provided with corresponding track at valve rod, when promoting, realizes valve rod skew and the rotation of valve ball by position limit pin motion in orbit, this orbiting valve shortcoming is that position limit pin friction in orbit is larger, the existing axial motion of valve rod rotatablely moves again, is unfavorable for sealing.
ZL200720082066.5 discloses a kind of low torque ball valve, when being characterized in that this ball valve valve ball rotates with sealing surface of seat without friction, when valve closing, contact, and valve rod only rotates, frictional force is little, and required moment is little, is convenient to sealing, but the structure component that the substep of realizing valve ball rotation-inclination moves are more, assembling is complicated, and required precision is higher, and difficulty of processing is larger, be unfavorable for batch production, thereby so that cost is higher.
The model utility content
For the prior art above shortcomings, it is a kind of based on gear-driven nothing friction ball valve that the purpose of this utility model just is to provide, adopt the mode of intermittent gear transmission, the rotation of realization valve ball-inclination substep motion, structure is simpler, processing is more prone to, and is more suitable for batch production, makes cost.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of based on gear-driven nothing friction ball valve, comprise valve body, valve ball, valve seat and supporting base, described valve ball is the spheroid with through hole, be positioned at valve body, its through hole axially and valve body axial consistent, the top of valve ball has a keyway, have L shaped draw-in groove in the both sides of keyway, angle between two L shaped draw-in grooves and the keyway is 90 °, have a blind hole in the valve ball bottom, the bottom of valve body and blind hole corresponding position are provided with a cylinder boss, and described valve ball cooperates with cylinder boss by blind hole with valve body and links to each other; Described supporting base is a disk-like structure, the valve body above valve ball have one with the mounting hole of supporting base coupling, supporting base cooperates with valve body by this mounting hole and links to each other, and it is characterized in that, also comprises a driving plate gear, driving lever gear and adjusting gear; Described driving plate gear comprises a disk and is arranged on two card bases of disk one side, the middle part of described disk has through hole, one section periphery at disk has tooth, has a circular hole in the bottom of supporting base, and two card bases of driving plate gear are stuck in the two L shaped grooves of valve ball after this circular hole passes;
Described driving lever gear comprises a gear and the coaxial driving lever that is arranged on gear one side, this driving lever is eccentric driving lever, driving lever has eccentric segment away from an end of gear, and its eccentric segment snapped in the keyway on the valve ball after described driving lever passed from the through hole on the disk of driving plate gear;
Described adjusting gear comprises and cogging and lower gear that described lower gear only has one section tooth, and this adjusting gear is installed on a side of driving plate gear and driving lever gear, and cogging of adjusting gear is meshed with the driving lever gear, and lower gear is meshed with driving plate gear; And after adjusting gear rotated 90 °, the tooth on the tooth on the lower gear and the disk of driving plate gear was separated.
When valve closes valve, driving reducing gear by motor or handle rotates, reducing gear drives adjusting gear again, drive driving plate gear and the rotation of driving lever gear synchronous by adjusting gear again, driving lever gear and driving plate gear are without relative movement at this moment, and the card base of driving plate gear drives valve ball and rotatablely moves around vertical center line along valve ball; After valve ball turns over 90 degree, the adjusting gear bottom does not have the part of tooth to enter the concave surface outline portion that driving plate gear does not have tooth, adjusting gear drive this moment driving lever gear is rotated further, and driving plate gear no longer rotates, be that valve ball no longer rotates and driven to tilt take the valve body cylinder boss as fulcrum to valve seat by the eccentric driving lever of driving lever gear, press to valve seat and form sealing surface, thereby realize sealing.
During valve opening, drive the reducing gear backward rotation by motor or handle, reducing gear drives adjusting gear again, at first drive the driving lever gear and compare backward rotation with pass valve process, this moment, driving plate gear did not have the concave surface outline portion of tooth still not have the part engagement of tooth with adjusting gear, and it is motionless that driving plate gear keeps; After the eccentric driving lever backward rotation of driving lever gear makes valve ball return to normal state by heeling condition, the tooth of adjusting gear and driving plate gear recovers engagement, driving driving plate gear rotates synchronously with the driving lever gear, the also counterrotating of valve ball this moment is until valve open (the valve ball through hole is axially consistent with valve hole).
As preferably, disk at toothed part one end of driving plate gear is provided with a circular arc inner fovea part that caves inward, the lower gear of adjusting gear with one being provided with the circular arc male part on the cylindrical of an end of toothed portion, and the corresponding radian of the arc length of male part is greater than 90 °, and described male part and inner fovea part are positioned at the corresponding end of adjusting gear and driving plate gear band toothed portion; When the tooth on driving plate gear and the adjusting gear broke away from, male part enters inner fovea part and male part cooperates with the inner fovea part gap.After driving plate gear and the disengaging of adjusting gear band toothed portion, valve ball enters tilting procedure, at this moment male part and inner fovea part arc section form and cooperate, and when adjusting gear was rotated further like this, driving plate gear was just inactive, also be that valve ball has no longer rotated, and adjusting gear to cog be all gear, can to continue to drive also be the rotation of driving lever gear, the eccentric rod on the driving lever gear is just the valve ball top rake, thereby valve ball is contacted with valve seat form sealing, ball valve is closed.If artificial backward rotation valve ball, and driving plate gear connects with valve ball, then make driving plate gear as driving gear, but because driving plate gear has inner fovea part, making driving plate gear can't drive adjusting gear rotates, this ball valve because the inner fovea part of driving plate gear is conditioned the male part of gear and has blocked, thereby forms auto-lock function, so that can not be opened by stirring valve ball.
As preferably, below the disk of driving plate gear, also be provided with coaxial first lock plate with it, described the first lock plate can rotate synchronously with disk, is provided with a circular arc inner fovea part that caves inward at the first lock plate, and described inner fovea part is positioned on the disk with under the end of toothed portion; Below the lower gear of adjusting gear, be coaxially arranged with one second lock plate, described the second lock plate can rotate synchronously with adjusting gear, be provided with a circular arc male part at the second lock plate, and the corresponding radian of the arc length of male part is greater than 90 °, described male part is positioned on the lower gear with under the end of toothed portion, and described male part and inner fovea part are positioned at the corresponding end of adjusting gear and driving plate gear band toothed portion; When the tooth on driving plate gear and the adjusting gear broke away from, male part enters inner fovea part and male part cooperates with the inner fovea part gap.Like this, when making, not only process and make convenient, and the first lock plate and the second lock plate be absolute construction, the restriction of the not modulated gear of its size and driving plate gear, thereby inner fovea part and male part can be carried out cooperating better.After driving plate gear and the disengaging of adjusting gear band toothed portion, valve ball enters tilting procedure, at this moment the inner fovea part arc section of the male part of the second lock plate and the first lock plate forms and cooperates, when adjusting gear is rotated further like this, driving plate gear is just inactive, also be that valve ball has no longer rotated, simultaneously so that the first lock plate can not be rotated further, and adjusting gear to cog be all gear, can continue to drive also is the rotation of driving lever gear, eccentric rod on the driving lever gear forms sealing just the valve ball top rake thereby valve ball is contacted with valve seat, and ball valve is closed.If artificial backward rotation valve ball, and driving plate gear connects with valve ball, then make driving plate gear as driving gear, simultaneously since the first lock plate and driving plate gear rotate synchronously, and has inner fovea part on the first lock plate, the first lock plate can't be rotated, thereby so that can't driving adjusting gear, driving plate gear rotates, because the inner fovea part on the first lock plate has been blocked by the male part on the first lock plate, and adjusting gear and the second lock plate rotate synchronously, thereby the formation auto-lock function, so that this ball valve can not be opened by stirring valve ball.
Further, described adjusting gear is one-body molded.Process convenient, and more stable, firm.
Further, also be provided with a reducing gear above supporting base, described adjusting gear is driven by reducing gear.
Compared with prior art, the beneficial effects of the utility model are:
Simple in structure, valve ball does not contact all the time with valve seat during along vertical center line rotation, and only valve ball tilts to press to valve seat when closing, and forms sealing surface, because valve ball and valve seat without rotating relative to contacting, have reduced the frictional force of valve ball greatly, has greatly reduced wearing and tearing yet; When valve ball was in closed condition, driving plate gear did not have the concave surface outline portion of tooth and the engagement of part that adjusting gear does not have tooth, and this moment, external force was stirred valve ball, can't make the valve ball rotation, made valve have self-lock ability; The key component of the whole winding machine rotation-substep motion of tilting is made of gear, and structure is very simple, the assembling of being more convenient for, processing, thereby be suitable for batch production, and make cost cheaper.
Description of drawings
Fig. 1 is longitudinal sectional view of the present utility model;
Fig. 2 is the plan view of valve ball;
Fig. 3 is the structural representation of driving plate gear;
Fig. 4 is the structural representation of adjusting gear.
1 valve body, 2 valve balls, 3 valve seats, 4 supporting bases, 5 driving plate gears, 6 driving lever gears, 7 adjusting gears, 8 reducing gears.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1: referring to Fig. 1 to Fig. 4, a kind of based on gear-driven nothing friction ball valve, comprise valve body 1, valve ball 2, valve seat 3 and supporting base 4, described valve ball 2 is the spheroid with through hole, be positioned at valve body 1, its through hole axially and valve body 1 axial consistent, the top of valve ball 2 has a keyway, have L shaped draw-in groove in the both sides of keyway, angle between two L shaped draw-in grooves and the keyway is 90 °, have a blind hole in valve ball 2 bottoms, the bottom of valve body 1 and blind hole corresponding position are provided with a cylinder boss, and described valve ball 2 cooperates with cylinder boss by blind hole with valve body 1 and links to each other; Described supporting base 4 is a disk-like structure, the valve body 1 above valve ball 2 have one with the mounting hole of supporting base 4 coupling, supporting base 4 cooperates with valve body 1 by this mounting hole and links to each other, and it is characterized in that, also comprises a driving plate gear 5, driving lever gear 6 and adjusting gear 7; Described driving plate gear 5 comprises a disk and is arranged on two card bases of disk one side, the middle part of described disk has through hole, one section periphery at disk has tooth, as a kind of mode of execution, one section radian corresponding to periphery with tooth is 90 °, have a circular hole in the bottom of supporting base 4, two card bases of driving plate gear 5 are stuck in the two L shaped grooves of valve ball 2 after this circular hole passes.
Described driving lever gear 6 comprises a gear and the coaxial driving lever that is arranged on gear one side, this driving lever is eccentric driving lever, driving lever has eccentric segment away from an end of gear, and its eccentric segment snapped in the keyway on the valve ball 2 after described driving lever passed from the through hole on the disk of driving plate gear 5.
Described adjusting gear 7 comprises and cogging and lower gear, described lower gear only has one section tooth, as a kind of mode of execution, and the radian with one section correspondence of tooth is 90 °, this adjusting gear 7 is installed on a side of driving plate gear 5 and driving lever gear 6, cogging of adjusting gear 7 is meshed with driving lever gear 6, and lower gear is meshed with driving plate gear 5; And after adjusting gear 7 rotated 90 °, the tooth on the disk of the tooth on the lower gear and driving plate gear 5 was separated.Described adjusting gear 7 is one-body molded; Easy to process, and synchronism is better.
Disk at part one end of driving plate gear band 5 teeth is provided with a circular arc inner fovea part that caves inward, the cylindrical with an end of toothed portion of the lower gear of adjusting gear 7 is provided with a circular arc male part, and the corresponding radian of the arc length of male part is greater than 90 °, and described male part and inner fovea part are positioned at adjusting gear 7 and driving plate gear 5 with the corresponding end of toothed portion; When driver plate tooth 5 take turns with adjusting gear 7 on tooth when breaking away from, male part enters inner fovea part and male part cooperates with the inner fovea part gap.
Also be provided with a reducing gear 8 above supporting base 4, described adjusting gear 7 is driven by reducing gear 8.
The working procedure of the disclosed ball valve of the utility model is:
When valve closes valve, driving reducing gear by motor or handle rotates, reducing gear drives adjusting gear again, drive driving plate gear and the rotation of driving lever gear synchronous by adjusting gear again, driving lever gear and driving plate gear are without relative movement at this moment, and the card base of driving plate gear drives valve ball and rotatablely moves around vertical center line along valve ball; After valve ball turns over 90 degree, the adjusting gear bottom does not have the part of tooth to enter the concave surface outline portion that driving plate gear does not have tooth, adjusting gear drive this moment driving lever gear is rotated further, and driving plate gear no longer rotates, be that valve ball no longer rotates and driven to tilt take the valve body cylinder boss as fulcrum to valve seat by the eccentric driving lever of driving lever gear, press to valve seat and form sealing surface, thereby realize sealing.
During valve opening, drive the reducing gear backward rotation by motor or handle, reducing gear drives adjusting gear again, at first drive the driving lever gear and compare backward rotation with pass valve process, this moment, driving plate gear did not have the concave surface outline portion of tooth still not have the part engagement of tooth with adjusting gear, and it is motionless that driving plate gear keeps; After the eccentric driving lever backward rotation of driving lever gear makes valve ball return to normal state by heeling condition, the tooth of adjusting gear and driving plate gear recovers engagement, driving driving plate gear 5 rotates synchronously with the driving lever gear, the also counterrotating of valve ball this moment is until valve open (the valve ball through hole is axially consistent with valve hole).
Need to prove at last, above embodiment is only in order to the technical solution of the utility model to be described but not the restriction technologies scheme, although the claimant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
- One kind based on gear-driven without the friction ball valve, comprise valve body, valve ball, valve seat and supporting base, described valve ball is the spheroid with through hole, be positioned at valve body, its through hole axially and valve body axial consistent, the top of valve ball has a keyway, have L shaped draw-in groove in the both sides of keyway, angle between two L shaped draw-in grooves and the keyway is 90 °, have a blind hole in the valve ball bottom, the bottom of valve body and blind hole corresponding position are provided with a cylinder boss, and described valve ball cooperates with cylinder boss by blind hole with valve body and links to each other; Described supporting base is a disk-like structure, the valve body above valve ball have one with the mounting hole of supporting base coupling, supporting base cooperates with valve body by this mounting hole and links to each other, and it is characterized in that, also comprises a driving plate gear, driving lever gear and adjusting gear; Described driving plate gear comprises a disk and is arranged on two card bases of disk one side, the middle part of described disk has through hole, one section periphery at disk has tooth, has a circular hole in the bottom of supporting base, and two card bases of driving plate gear are stuck in the two L shaped grooves of valve ball after this circular hole passes;Described driving lever gear comprises a gear and the coaxial driving lever that is arranged on gear one side, this driving lever is eccentric driving lever, driving lever has eccentric segment away from an end of gear, and its eccentric segment snapped in the keyway on the valve ball after described driving lever passed from the through hole on the disk of driving plate gear;Described adjusting gear comprises and cogging and lower gear that described lower gear only has one section tooth, and this adjusting gear is installed on a side of driving plate gear and driving lever gear, and cogging of adjusting gear is meshed with the driving lever gear, and lower gear is meshed with driving plate gear; And after adjusting gear rotated 90 °, the tooth on the tooth on the lower gear and the disk of driving plate gear was separated.
- 2. according to claim 1 a kind of based on gear-driven nothing friction ball valve, it is characterized in that, disk at toothed part one end of driving plate gear is provided with a circular arc inner fovea part that caves inward, the lower gear of adjusting gear with one being provided with the circular arc male part on the cylindrical of an end of toothed portion, and the corresponding radian of the arc length of male part is greater than 90 °, and described male part and inner fovea part are positioned at the corresponding end of adjusting gear and driving plate gear band toothed portion; When the tooth on driving plate gear and the adjusting gear broke away from, male part enters inner fovea part and male part cooperates with the inner fovea part gap.
- 3. according to claim 1 a kind of based on gear-driven nothing friction ball valve, it is characterized in that, below the disk of driving plate gear, also be provided with coaxial first lock plate with it, described the first lock plate can rotate synchronously with disk, be provided with a circular arc inner fovea part that caves inward at the first lock plate, described inner fovea part is positioned on the disk with under the end of toothed portion; Below the lower gear of adjusting gear, be coaxially arranged with one second lock plate, described the second lock plate can rotate synchronously with adjusting gear, be provided with a circular arc male part at the second lock plate, and the corresponding radian of the arc length of male part is greater than 90 °, described male part is positioned on the lower gear with under the end of toothed portion, and described male part and inner fovea part are positioned at the corresponding end of adjusting gear and driving plate gear band toothed portion; When the tooth on driving plate gear and the adjusting gear broke away from, male part enters inner fovea part and male part cooperates with the inner fovea part gap.
- 4. according to claim 1 a kind of based on gear-driven nothing friction ball valve, it is characterized in that described adjusting gear is one-body molded.
- 5. according to claim 1 a kind of based on gear-driven nothing friction ball valve, it is characterized in that also be provided with a reducing gear above supporting base, described adjusting gear is driven by reducing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527551 CN202884094U (en) | 2012-10-16 | 2012-10-16 | Friction-free ball valve based on gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527551 CN202884094U (en) | 2012-10-16 | 2012-10-16 | Friction-free ball valve based on gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884094U true CN202884094U (en) | 2013-04-17 |
Family
ID=48075524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527551 Expired - Fee Related CN202884094U (en) | 2012-10-16 | 2012-10-16 | Friction-free ball valve based on gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884094U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927750A (en) * | 2016-05-26 | 2016-09-07 | 刘晓琦 | Forced seal ball valve |
| CN106402421A (en) * | 2016-11-01 | 2017-02-15 | 成都秦川科技发展有限公司 | Low-pressure-loss electromechanical ball valve and gas meter |
| CN106439089A (en) * | 2016-11-18 | 2017-02-22 | 成都秦川科技发展有限公司 | Both-direction locked-rotor preventing mechanism, both-direction locked-rotor preventing electromechanical ball valve and gas meter |
| CN108679257A (en) * | 2018-07-27 | 2018-10-19 | 杭州先锋电子技术股份有限公司 | A kind of valve opening is without the double eccentric electric-controlled ball valves of abrasion |
| CN109958790A (en) * | 2017-12-25 | 2019-07-02 | 淄博沃泰斯石化设备有限公司 | A kind of ball valve |
| CN110242770A (en) * | 2019-07-02 | 2019-09-17 | 李军 | A kind of three-way ball valve |
| WO2022268155A1 (en) * | 2021-06-25 | 2022-12-29 | 浙江三花汽车零部件有限公司 | Control valve |
-
2012
- 2012-10-16 CN CN 201220527551 patent/CN202884094U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927750A (en) * | 2016-05-26 | 2016-09-07 | 刘晓琦 | Forced seal ball valve |
| CN106402421A (en) * | 2016-11-01 | 2017-02-15 | 成都秦川科技发展有限公司 | Low-pressure-loss electromechanical ball valve and gas meter |
| CN106402421B (en) * | 2016-11-01 | 2019-02-26 | 成都秦川物联网科技股份有限公司 | A kind of low pressure loss electromechanics ball valve and gas meter, flow meter |
| CN106439089A (en) * | 2016-11-18 | 2017-02-22 | 成都秦川科技发展有限公司 | Both-direction locked-rotor preventing mechanism, both-direction locked-rotor preventing electromechanical ball valve and gas meter |
| CN106439089B (en) * | 2016-11-18 | 2018-11-06 | 成都秦川物联网科技股份有限公司 | Two-way anti-blocking rotation mechanism, two-way blocking rotation electromechanics ball valve and gas meter, flow meter |
| CN109958790A (en) * | 2017-12-25 | 2019-07-02 | 淄博沃泰斯石化设备有限公司 | A kind of ball valve |
| CN108679257A (en) * | 2018-07-27 | 2018-10-19 | 杭州先锋电子技术股份有限公司 | A kind of valve opening is without the double eccentric electric-controlled ball valves of abrasion |
| CN108679257B (en) * | 2018-07-27 | 2024-02-06 | 杭州先锋电子技术股份有限公司 | Valve-opening abrasion-free double-eccentric electric control ball valve |
| CN110242770A (en) * | 2019-07-02 | 2019-09-17 | 李军 | A kind of three-way ball valve |
| WO2022268155A1 (en) * | 2021-06-25 | 2022-12-29 | 浙江三花汽车零部件有限公司 | Control valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202884094U (en) | Friction-free ball valve based on gear transmission | |
| CN202884095U (en) | Friction-free ball valve based on Geneva mechanism | |
| CN201166141Y (en) | Low torque ball valve | |
| CN105569467B (en) | The locking device of vehicle door | |
| CN201902691U (en) | Valve and valve core component thereof | |
| CN104625705A (en) | Automatic nutting mechanism based on constant magnet | |
| CN103671474A (en) | Angle adjuster with knob switch | |
| CN107012597B (en) | A kind of simple needle gage regulating mechanism of sewing machine and sewing machine | |
| CN205046329U (en) | Sewing machine's thread trimming mechanism | |
| CN209942403U (en) | Bidirectional lock structure | |
| CN101450247B (en) | Magnetic-control wheel | |
| CN208710750U (en) | A kind of vibration Rouser | |
| CN208331415U (en) | Hydraulic valve neutral gear positioning device, hydraulic valve and neutral gear positioning device | |
| CN209047790U (en) | A kind of dress designing for facilitating control to rotate is with modelling of human body model | |
| CN205446372U (en) | Mobile electron terminal two -axis hinge and mobile electron terminal | |
| CN209370320U (en) | The ball clutch structure of automatic clutch | |
| CN1827893B (en) | Sewing machine capable of bidirectionally sewing fabric | |
| CN208098302U (en) | A kind of medical Western medicine milling equipment | |
| CN202140418U (en) | Rotating and overturning mechanism for connecting computer liquid crystal displayer | |
| CN208178481U (en) | A kind of drilling class building-block machine that can be freely rotated | |
| CN208545558U (en) | Feeding mechanism and sewing machine with it | |
| CN202996619U (en) | Double-supply automatic change-over switch | |
| CN207660402U (en) | A kind of electronic lock | |
| CN207109302U (en) | A kind of automobile cushion production serger | |
| CN207577435U (en) | A kind of main shaft self-locking mechanism and the drill kind tool that the mechanism is configured |
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: 20130417 Termination date: 20141016 |
|
| EXPY | Termination of patent right or utility model |