CN110410415B - Multifunctional rotating shaft - Google Patents
Multifunctional rotating shaft Download PDFInfo
- Publication number
- CN110410415B CN110410415B CN201910710294.XA CN201910710294A CN110410415B CN 110410415 B CN110410415 B CN 110410415B CN 201910710294 A CN201910710294 A CN 201910710294A CN 110410415 B CN110410415 B CN 110410415B
- Authority
- CN
- China
- Prior art keywords
- torsion spring
- wall
- base
- worm
- spring bushing
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 238000005056 compaction Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000021170 buffet Nutrition 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/14—Non-removable lids or covers
- B65D43/16—Non-removable lids or covers hinged for upward or downward movement
- B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
- F16C11/103—Arrangements for locking frictionally clamped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
- F16F7/023—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together and characterised by damping force adjustment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/022—Springs leaf-like, e.g. of thin, planar-like metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/024—Springs torsional
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Abstract
The invention relates to a multifunctional rotating shaft, which comprises a base and a housing fixed at the top of the base, wherein a hexagonal main shaft is arranged between supports at two ends of the base, an auxiliary torsion spring bushing which synchronously rotates with the hexagonal main shaft is sleeved on the outer wall of the hexagonal main shaft near the left end of the hexagonal main shaft, a main torsion spring bushing which synchronously rotates with the hexagonal main shaft is arranged on the right side of the auxiliary torsion spring bushing, a friction sleeve is arranged on the right side of the main torsion spring bushing, a worm wheel is fixed on the outer wall of the left end head of the friction sleeve, a worm arranged on the base is meshed below the worm wheel, an adjusting sleeve is fixed in a right port of the friction sleeve through threads, a static friction plate and a dynamic compression plate which synchronously rotates with the hexagonal main shaft are fixed in a cavity formed between the adjusting sleeve and the friction sleeve near the left end, and a static compression plate sleeved on the left end head outer wall of the adjusting sleeve is arranged on the right side of the dynamic compression plate. The multifunctional rotating shaft is reasonable in structural design, reasonable in structure, convenient and practical.
Description
Technical Field
The invention relates to a multifunctional rotating shaft.
Background
At present, a container for holding buffet is often used in some hotels, in order to keep warm in use, a cover capable of being lifted is designed above the container, the traditional cover is connected with the container main body through a general shaft and can only be opened to the maximum or completely closed, the cover cannot stay at any position between the closing and the opening, and because the cover is heavier, the cover has heavier handfeel when lifted, and the cover possibly collides with the container main body very much during closing.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multifunctional rotating shaft.
The invention relates to a multifunctional rotating shaft, which comprises a base and a housing fixed at the top of the base, wherein a hexagonal spindle is arranged between supports at two ends of the base, rotating buckles are fixed at two ends of the hexagonal spindle after the hexagonal spindle passes through the supports, an auxiliary torsion spring bushing which synchronously rotates with the hexagonal spindle is sleeved on the outer wall of the hexagonal spindle near the left end, a main torsion spring bushing which synchronously rotates with the hexagonal spindle is arranged on the right side of the auxiliary torsion spring bushing, an auxiliary torsion spring is sleeved on the outer wall of the right end of the auxiliary torsion spring bushing, a friction sleeve is arranged on the right side of the main torsion spring bushing, a worm wheel is fixed on the outer wall of the left end of the friction sleeve, a main torsion spring sleeved on the outer wall of the right end of the main torsion spring bushing is arranged on the left side of the worm wheel, the worm on the base is installed to the meshing of below of worm wheel, be fixed with the adjustment sleeve through the thread tightening in the right port of friction sleeve, be close to left end department in forming the cavity between adjustment sleeve and the friction sleeve and be fixed with the static friction piece, the right side of static friction piece is equipped with hexagonal main shaft synchronous pivoted dynamic friction piece and moves the compact disc, is equipped with two steel balls on the right lateral wall of dynamic pressure compact disc, and the right side of dynamic pressure compact disc is equipped with the cover and establishes static pressure compact disc on the left end outer wall of adjustment sleeve is equipped with a plurality of belleville springs between static pressure compact disc and the adjustment sleeve, is equipped with two symmetrical counter bores on the left lateral wall of static pressure compact disc, is equipped with two sections arc spouts by shallow to dark linear transition between two counter bores.
The multifunctional rotating shaft is characterized in that the outer wall of the inner end head of the rotating buckle is sleeved with a bushing.
The multifunctional rotating shaft is characterized in that a slot is formed in the side wall of the rotating buckle, a stepped locking groove communicated with the outer wall of the rotating buckle is formed in the inner wall of the slot, a buckling pin is arranged in the inner port of the stepped locking groove, a locking screw is arranged in the outer port of the stepped locking groove through threads, and a pressure spring is arranged between the locking screw and the buckling pin.
According to the multifunctional rotating shaft, one end of the auxiliary torsion spring is fixed on the base, and the other end of the auxiliary torsion spring is fixed on the auxiliary torsion spring bushing.
According to the multifunctional rotating shaft, the left end of the main torsion spring is fixed on the main torsion spring bushing, and the right end of the main torsion spring is clamped on the left side wall of the worm wheel.
According to the multifunctional rotating shaft, a section of toothless area is arranged on the outer wall of the worm wheel, a limit bump is arranged in the toothless area, and a limit groove is arranged at the front end of a threaded part of the worm; two base projections matched with the limit grooves are arranged on the base above the worm.
According to the multifunctional rotating shaft, the support and the base are of an integrated structure.
Compared with the prior art, the invention has the beneficial effects that: the multifunctional rotating shaft is reasonable in structural design, the hexagonal spindle has the function of stopping at any position under the action of the main torsion spring, the auxiliary torsion spring, the dynamic friction plate and the static friction plate, and simultaneously the hexagonal spindle rotates in a certain range under the action of the main torsion spring and the auxiliary torsion spring, and the torque of the main torsion spring can be adjusted through the rotation of the worm wheel and the worm, so that the multifunctional rotating shaft is ingenious in design, reasonable in structure, convenient and practical.
Drawings
FIG. 1 is a schematic view of a multifunctional spindle according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an exploded structure of a multifunctional spindle according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a rotary buckle in a multi-functional rotary shaft according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of a connection structure between a worm wheel and a worm in a multifunctional rotating shaft according to an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a hydrostatic chuck in a multifunctional spindle according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a base in a multifunctional rotating shaft according to an embodiment of the invention.
In the figure:
1. A base; 2. a housing; 3. a hexagonal spindle; 4. a rotary buckle; 5. a secondary torsion spring bushing; 6. a main torsion spring bushing; 7. an auxiliary torsion spring; 8. a friction sleeve; 9. a worm wheel; 10. a worm; 11. an adjusting sleeve; 12. a static friction plate; 13. a dynamic friction plate; 14. a dynamic compaction disc; 15. steel balls; 16. a static pressing disc; 17. a belleville spring; 18. countersink; 19. an arc chute; 20. a bushing; 21. a slot; 22. a stepped locking groove; 23. a snap pin; 24. a locking screw; 25. a pressure spring; 26. a main torsion spring; 27. a toothless zone; 28. a limit bump; 29. a limit groove; 30. a support; 31. and a base bump.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1-6, a multifunctional rotating shaft comprises a base 1 and a housing 2 fixed at the top of the base 1, a hexagonal spindle 3 is arranged between supports 30 at two ends of the base 1, rotating buckles 4 are respectively fixed at two ends of the hexagonal spindle 3 after passing through the supports 30, an auxiliary torsion spring bushing 5 synchronously rotating with the hexagonal spindle 3 is sleeved on the outer wall of the hexagonal spindle 3 near the left end, a main torsion spring bushing 6 synchronously rotating with the hexagonal spindle 3 is arranged on the right side of the auxiliary torsion spring bushing 5, an auxiliary torsion spring 7 is sleeved on the outer wall of the right end of the auxiliary torsion spring bushing 5, a friction sleeve 8 is arranged on the right side of the main torsion spring bushing 6, a worm wheel 9 is fixed on the outer wall of the left end of the friction sleeve 8, a main torsion spring 26 sleeved on the outer wall of the right end of the main torsion spring bushing 6 is arranged on the left side of the worm wheel 9, the worm 10 installed on the base 1 is meshed below the worm wheel 9, an adjusting sleeve 11 is fixed in the right port of the friction sleeve 8 through threads, a static friction plate 12 is fixed at the position, close to the left end, in a cavity formed between the adjusting sleeve 11 and the friction sleeve 8, a dynamic friction plate 13 and a dynamic compression plate 14 which rotate synchronously with the hexagonal spindle 3 are arranged on the right side of the static friction plate 12, two steel balls 15 are arranged on the right side wall of the dynamic compression plate 14, a static compression plate 16 sleeved on the outer wall of the left end of the adjusting sleeve 11 is arranged on the right side of the dynamic compression plate 14, a plurality of butterfly springs 17 are arranged between the static compression plate 16 and the adjusting sleeve 11, two symmetrical counter bores 18 are arranged on the left side wall of the static compression plate 16, and two arc-shaped sliding grooves 19 which are in shallow-deep linear transition are arranged between the two counter bores 18.
The multifunctional rotating shaft of the invention is characterized in that the outer wall of the inner end head of the rotating buckle 4 is sleeved with a bushing 20.
According to the multifunctional rotating shaft disclosed by the invention, the side wall of the rotary buckle 4 is provided with the slot 21, the inner wall of the slot 21 is provided with the step-shaped locking groove 22 communicated with the outer wall of the rotary buckle 4, the inner port of the step-shaped locking groove 22 is internally provided with the locking pin 23, the outer port of the step-shaped locking groove 22 is internally provided with the locking screw 24 through threads, and the pressure spring 25 is arranged between the locking screw 24 and the locking pin 23.
According to the multifunctional rotating shaft, one end of the auxiliary torsion spring 7 is fixed on the base 1, and the other end of the auxiliary torsion spring 7 is fixed on the auxiliary torsion spring bushing 5.
According to the multifunctional rotating shaft, the left end of the main torsion spring 26 is fixed on the main torsion spring bushing 6, and the right end of the main torsion spring 26 is clamped on the left side wall of the worm wheel 9.
According to the multifunctional rotating shaft, a section of toothless area 27 is arranged on the outer wall of the worm wheel 9, a limit bump 28 is arranged in the toothless area 27, and a limit groove 29 is arranged at the front end of a threaded part of the worm 10; two base lugs 31 matched with the limiting grooves 29 are arranged on the base 1 above the worm 10, and the worm wheel 9 is limited in rotation position through the mutual matching of the limiting grooves 29 and the limiting lugs 31.
In the multifunctional rotating shaft, the support 30 and the base 1 are of an integral structure.
The multifunctional rotating shaft is reasonable in structural design, the hexagonal main shaft has the function of stopping at any position under the action of the main torsion spring, the auxiliary torsion spring, the dynamic friction plate and the static friction plate, and the elasticity of the belleville spring is changed by adjusting the depth of screwing the adjusting sleeve into the friction sleeve, so that the friction force between the dynamic friction plate and the static friction plate is changed; simultaneously, the hexagonal main shaft rotates in a certain range under the action of the main torsion spring and the auxiliary torsion spring, the torque of the main torsion spring can be adjusted through the rotation of the worm wheel and the worm, when the worm is rotated, the limit protruding block of the worm wheel contacts with the protruding block of the base, the limit is the maximum rotation limit, and when the tail end of the rack of the worm wheel is rotated into the limit groove of the worm, the limit is the other maximum rotation limit. In addition, when the hexagonal spindle rotates, the dynamic pressure tightening disk is driven to rotate, so that the steel balls slide in the arc-shaped sliding grooves of the dynamic pressure tightening disk. When the steel balls slide into the arc-shaped sliding grooves from the counter bores of the static pressure tight plates, the elastic force of the disc springs is transmitted between the static friction plates and the dynamic friction plates, so that friction force is generated between the static friction plates and the dynamic friction plates, and the friction force can stop rotating at any position of the hexagonal spindle. When the steel balls are in the counter bores of the static pressing disc, the elastic force of the disc springs cannot act between the static friction plates and the dynamic friction plates, friction force cannot be generated between the static friction plates and the dynamic friction plates, and the hexagonal shaft can rotate freely. Ingenious design, reasonable structure, convenience and practicability.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. The utility model provides a multi-functional pivot, includes base (1) and fixes housing (2) at base (1) top, its characterized in that: a hexagonal spindle (3) is arranged between two end supports (30) of the base (1), two ends of the hexagonal spindle (3) are fixedly provided with rotary buckles (4) after penetrating through the supports (30), a secondary torsion spring bushing (5) which rotates synchronously with the hexagonal spindle (3) is sleeved on the outer wall of the hexagonal spindle (3) near the left end, a driving torsion spring bushing (6) which rotates synchronously with the hexagonal spindle (3) is arranged on the right side of the secondary torsion spring bushing (5), a secondary torsion spring (7) is sleeved on the outer wall of the right end of the secondary torsion spring bushing (5), a friction sleeve (8) is arranged on the right side of the driving torsion spring bushing (6), a worm wheel (9) is fixedly arranged on the outer wall of the left end of the friction sleeve (8), a worm (26) sleeved on the outer wall of the right end of the driving torsion spring bushing (6), a worm (10) arranged below the worm (9) on the base (1) in a meshed mode, an adjusting sleeve (11) is fixedly arranged in the right port of the friction sleeve (8) through threads, a cavity between the adjusting sleeve (11) and the friction sleeve (8), a friction disc (14) is fixedly provided with two dynamic pressure plates (14) and two dynamic pressure plates (14) are fixedly arranged on the right side walls (12) of the friction disc (14), the right side of the dynamic compaction disc (14) is provided with a static compaction disc (16) sleeved on the outer wall of the left end head of the adjusting sleeve (11), a plurality of belleville springs (17) are arranged between the static compaction disc (16) and the adjusting sleeve (11), two symmetrical counter bores (18) are arranged on the left side wall of the static compaction disc (16), and two sections of arc-shaped sliding grooves (19) which are in shallow-deep linear transition are arranged between the two counter bores (18); the side wall of the rotary buckle (4) is provided with a slot (21), the inner wall of the slot (21) is provided with a step-shaped locking groove (22) communicated with the outer wall of the rotary buckle (4), the inner end of the step-shaped locking groove (22) is internally provided with a buckling pin (23), the outer end opening of the step-shaped locking groove (22) is internally provided with a locking screw (24) through threads, and a pressure spring (25) is arranged between the locking screw (24) and the buckling pin (23); a section of toothless area (27) is arranged on the outer wall of the worm wheel (9), a limit lug (28) is arranged in the toothless area (27), and a limit groove (29) is arranged at the front end of the threaded part of the worm (10); two base projections (31) matched with the limit grooves (29) are arranged on the base (1) above the worm (10).
2. The multi-function spindle according to claim 1, wherein: the inner end outer wall of the rotary buckle (4) is sleeved with a bushing (20).
3. The multi-function spindle according to claim 1, wherein: one end of the auxiliary torsion spring (7) is fixed on the base (1), and the other end of the auxiliary torsion spring (7) is fixed on the auxiliary torsion spring bushing (5).
4. The multi-function spindle according to claim 1, wherein: the left end of the main torsion spring (26) is fixed on the main torsion spring bushing (6), and the right end of the main torsion spring (26) is clamped on the left side wall of the worm wheel (9).
5. The multi-function spindle according to claim 1, wherein: the support (30) and the base (1) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710294.XA CN110410415B (en) | 2019-08-02 | 2019-08-02 | Multifunctional rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710294.XA CN110410415B (en) | 2019-08-02 | 2019-08-02 | Multifunctional rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110410415A CN110410415A (en) | 2019-11-05 |
| CN110410415B true CN110410415B (en) | 2024-05-14 |
Family
ID=68365396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910710294.XA Active CN110410415B (en) | 2019-08-02 | 2019-08-02 | Multifunctional rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410415B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494275A (en) * | 1982-07-23 | 1985-01-22 | Sun Longitude Corporation | Swinging door hinge assembly having a rolling member |
| CN201341637Y (en) * | 2009-01-12 | 2009-11-11 | 陈千奎 | Chair tray |
| CN102302837A (en) * | 2011-08-11 | 2012-01-04 | 宁波奇胜运动器材有限公司 | Damping limit device and upper limb tractor having same |
| CN107379005A (en) * | 2017-08-31 | 2017-11-24 | 国机智能技术研究院有限公司 | It is a kind of to damp joint and the main hand of damping with position retaining function |
| CN108170219A (en) * | 2018-02-11 | 2018-06-15 | 鞍山佳创博科技有限公司 | Integrated computer display screen hovering mechanism and the integrated computer comprising the mechanism |
| CN211009555U (en) * | 2019-08-02 | 2020-07-14 | 俞科成 | Multifunctional rotating shaft |
-
2019
- 2019-08-02 CN CN201910710294.XA patent/CN110410415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494275A (en) * | 1982-07-23 | 1985-01-22 | Sun Longitude Corporation | Swinging door hinge assembly having a rolling member |
| CN201341637Y (en) * | 2009-01-12 | 2009-11-11 | 陈千奎 | Chair tray |
| CN102302837A (en) * | 2011-08-11 | 2012-01-04 | 宁波奇胜运动器材有限公司 | Damping limit device and upper limb tractor having same |
| CN107379005A (en) * | 2017-08-31 | 2017-11-24 | 国机智能技术研究院有限公司 | It is a kind of to damp joint and the main hand of damping with position retaining function |
| CN108170219A (en) * | 2018-02-11 | 2018-06-15 | 鞍山佳创博科技有限公司 | Integrated computer display screen hovering mechanism and the integrated computer comprising the mechanism |
| CN211009555U (en) * | 2019-08-02 | 2020-07-14 | 俞科成 | Multifunctional rotating shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110410415A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101543649B1 (en) | Adjustable torque hinge | |
| WO2005068760A1 (en) | Damping device | |
| CN201496396U (en) | Pivot device | |
| JPS6389267A (en) | Fixing device for disk type tool | |
| CN110410415B (en) | Multifunctional rotating shaft | |
| WO2020237967A1 (en) | Effort-saving adjustable mechanism for upturning and supporting of furniture | |
| EP3505713B1 (en) | Anti-folder hand safety door | |
| WO2019091283A1 (en) | Automatic upward lifting device, furniture article having automatic upward lifting device, and application thereof | |
| CN211009555U (en) | Multifunctional rotating shaft | |
| WO2020000537A1 (en) | Improved laborsaving apparatus and furniture having same | |
| CN109025629A (en) | A kind of door safety system | |
| CN109098593A (en) | A kind of locking stability door safety system | |
| CN212163063U (en) | Servo motor with adjustable torsion device | |
| CN201605936U (en) | Cushion gemel | |
| GB2134593A (en) | Door closing devices | |
| CN209398107U (en) | A kind of manual door stop device of sliding door | |
| CN216166745U (en) | Heat insulation cup | |
| CN214273282U (en) | Multifunctional buffering hinge | |
| CN220267450U (en) | Fixed angle opening structure of door closer | |
| CN216392188U (en) | Transmission mechanism for threshing assembly | |
| CN211242299U (en) | Emergency unlocking mechanism for file management cabinet | |
| TWI826188B (en) | Torque wrench | |
| CN214036445U (en) | Pressure riveting type spring screw | |
| CN210032936U (en) | Door opening structure and medical equipment's record appearance | |
| TWI832506B (en) | Mini torque wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |