CN113775614B - Effectual locking device for lifting equipment of theftproof - Google Patents
Effectual locking device for lifting equipment of theftproof Download PDFInfo
- Publication number
- CN113775614B CN113775614B CN202111073828.6A CN202111073828A CN113775614B CN 113775614 B CN113775614 B CN 113775614B CN 202111073828 A CN202111073828 A CN 202111073828A CN 113775614 B CN113775614 B CN 113775614B
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- plate
- movable
- locking device
- support body
- circular plate
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- 230000000694 effects Effects 0.000 claims abstract description 61
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
Abstract
The invention discloses a locking device with good anti-theft effect for lifting equipment, which comprises a working frame body, a supporting tube, a manual elastic wrench and a supporting plate, wherein a rotating valve is installed on the surface of the upper end of the supporting tube in a penetrating manner, a movable circular plate is arranged inside the supporting tube, a moving plate is arranged inside the supporting tube and positioned on the right side of the movable circular plate, a driving gear is arranged on the left side of the movable circular plate, driven gears are arranged at the upper end and the lower end of the driving gear, a limiting threaded rod is arranged inside the driven gears, and a supporting spring is arranged on the right side of the movable circular plate. The locking plate type locking device has the beneficial effects that the matching disc can be fixed in the supporting tube, the movable frame body can be fixed, the fixing effect is better, the locking plate type locking device is further fixed, the trouble caused by the locking plate type locking device is effectively solved, and meanwhile, the locking plate type locking device is simple to operate, good in locking effect, wider in application range and more convenient to popularize and use.
Description
Technical Field
The invention belongs to the technical field of locking devices, and particularly relates to a locking device with a good anti-theft effect for lifting equipment.
Background
The locker is a tool which is frequently used by people in daily life, and can quickly lock articles through the locking device so as to avoid being taken away by outsiders.
However, the conventional locking device has the following problems in use:
1. locking device in market, inconvenient fix the cooperation disc inside the supporting tube to just fix the activity support body, lead to fixed effect not good, can not solve the vexation that locking plate formula locker brought effectively, simultaneously, locking device in market complex operation, locking effect is not good, and application range is limited.
2. Locking device in market, inconvenient supports the backup pad, leads to further fixing the activity support body.
3. Locking device in market, inconvenient protect the activity support body, can't prevent the activity support body because tension is too big to the stay tube inside structure cause the damage, lead to this locking device's service life greatly reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the locking device for the lifting equipment with good anti-theft effect, and the locking device has the advantages of further fixing the movable frame body, protecting the movable frame body and the like.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an effectual locking device for lifting equipment prevents burglary, includes work support body, stay tube, manual elasticity spanner and backup pad, the upper end surface of stay tube runs through and installs the rotary valve, the inside of stay tube is provided with movable plectane, the inside of stay tube and the right side that is located movable plectane are provided with the movable plate, the left side of activity plectane is provided with the driving gear, the last lower extreme of driving gear all is provided with driven gear, driven gear's inside is provided with limit threaded rod, the right side of activity plectane is provided with supporting spring, the cooperation disc has all been welded to the front and back end of backup pad.
By the technical scheme, the manual elastic wrench is pulled to drive the support plate to rotate through the movable support body, the two groups of matched discs can be moved, the rotating valve is rotated clockwise to drive the driving gear to rotate inside the bearing tube through the rotating shaft rod, the driving gear can drive the driven gears on the upper side and the lower side to rotate when rotating, the driven gear can drive the limit threaded rod to rotate, the limit threaded rod can be driven to move inside the support tube, the limit threaded rod is inserted into the limit round hole, the matched discs can be fixed inside the support tube, the movable support body can be fixed, the fixing effect is better, the movable support body can be further fixed, the trouble caused by a locking plate type locker is effectively solved, meanwhile, the manual elastic wrench is simple to operate, the locking effect is good, the application range is wider, the manual elastic wrench is convenient to popularize and use, the manual elastic wrench is fixed with the buffer column, the limit plate can be driven to move when moving, the limit plate can drive the buffer column to move, the buffer plate can be limited and limit the support spring to move the movable plate, and the movable plate can be further driven to move under the auxiliary spring to move the support the movable plate, and the buffer column can be further driven to move under the auxiliary spring, the movable support plate, and the movable support plate, can protect the activity support body, prevent effectively that the activity support body from because tension is too big to causing the damage to the structure of stay tube inside, can increase this locking device's service life to improve locking device's feasibility.
Preferably, the upper end surfaces of the movable circular plate and the movable plate are provided with through holes in a penetrating manner, the upper end of the movable plate is provided with a buffer column, and the upper end of the movable circular plate is provided with a telescopic rod on the left side of the supporting spring.
Through above-mentioned technical scheme, under supporting spring's effect, can drive the buffering post through the movable plate and remove to drive the telescopic link and remove, and then can assist the auxiliary backing plate, and limit threaded rod's removal can drive the barrier plate and remove, can protect the activity support body, prevent effectively that the activity support body from causing the damage because tension is too big to the structure of stay tube inside.
Preferably, the position of the inner part of the supporting tube, which is close to the upper side wall and the lower side wall, is provided with a limit threaded rod, the outer side wall of the limit threaded rod is provided with a blocking plate, the upper side wall and the lower side wall of the inner part of the supporting tube are both provided with a gear sliding seat, and the limit threaded rod is movably arranged in the driven gear.
Through the technical scheme, the stop plate can limit the movable plate, when the limit threaded rod is not moved, the movable plate cannot move, the driven gear can move at one end of the gear movable seat, and the driven gear can rotate inside the supporting tube.
Preferably, the upper ends of the supporting springs are fixed with the lower end of the moving plate, and the two groups of telescopic rods are symmetrically arranged at the upper end of the movable circular plate relative to the supporting springs.
Through above-mentioned technical scheme, can drive the movable plate and remove, conveniently protect its stay tube inside, prevent to be caused the damage to its inside by the activity support body.
Preferably, the left side wall of the interior of the supporting tube and the left side end of the movable circular plate are both provided with a fixed shaft seat, one end of the fixed shaft seat is provided with a rotating shaft rod, and the driven gear and the limit threaded rod are both arranged inside the supporting tube.
Through above-mentioned technical scheme, driven gear can drive limit threaded rod and rotate at the stay tube, and then can drive limit threaded rod and remove about the inside of stay tube, can fix movable support body for fixed effect is more, and further fixes it.
Preferably, the right side of the matching disc is provided with a limiting round hole in a penetrating manner, and one end of the driven gear is provided with a gear movable seat.
Through the technical scheme, when the limiting threaded rod moves, the limiting threaded rod can be inserted into the limiting round hole, the matched disc can be fixed inside the supporting tube, the movable support body can be fixed, the fixing effect is better, and the fixing effect is further fixed.
Preferably, an arc-shaped groove is formed in the upper end of the working frame body, a movable frame body is arranged inside the working frame body, the manual elastic wrench penetrates through the arc-shaped groove and is fixed with the movable frame body, and the supporting plate is fixedly installed at the left end of the movable frame body.
Through above-mentioned technical scheme, can drive the activity support body and remove at worker's support internal portion to remove in arc wall department, can make this locking device effect more.
Preferably, two sets of stay tubes are arranged at the left side end and the right side end of the working frame body, the left group and the right group of the movable frame body are respectively arranged in the two sets of stay tubes, and the left side of the stay plate is provided with an auxiliary backing plate.
Through the technical scheme, follow-up advancing assistance can be realized, the fixing effect is good, and the supporting plate inside the supporting tube can be conveniently driven to rotate.
Compared with the prior art, the invention has the beneficial effects that:
1. the locking device is fixed on a rotating shaft rod through a rotating valve, the manual elastic wrench is pulled to drive a support plate to rotate through a movable support body, the two groups of matched discs can be moved, the rotating valve is rotated clockwise to drive a driving gear to rotate inside a bearing tube through the rotating shaft rod, the driving gear can drive driven gears on the upper side and the lower side to rotate when rotating, the driven gears can drive a limit threaded rod to rotate, the limit threaded rod can be driven to move inside the support tube and inserted into a limit round hole, so that the matched discs can be fixed inside the support tube, the movable support body can be fixed, the fixing effect is better, the locking device can be further fixed, and troubles brought by a locking plate type locker are effectively solved.
2. Through the movable plate with the buffering post is fixed mutually, its limit threaded rod when removing, can drive the barrier plate and remove, and the barrier plate can prescribe a limit to the movable plate, and prescribe a limit to its supporting spring, in the time of the removal, under supporting spring's effect, can promote the movable plate and remove to the right side, and it is inside to drive the buffering post and remove the auxiliary backing plate, its movable plate when removing, can drive the telescopic link and remove inside the stay tube, and then can remove by the auxiliary moving plate, thereby can support the backup pad, and further fix the activity support body.
3. Fixed mutually with the movable plate through supporting spring, under supporting spring's effect, can drive the buffering post through the movable plate and remove, and then can assist the auxiliary backing plate, and limit threaded rod's removal can drive the barrier plate and remove to can protect the activity support body, prevent effectively that the activity support body from because tension is too big leads to the fact the damage to the structure of stay tube inside, can increase this locking device's service life, and improve locking device's feasibility.
Drawings
FIG. 1 is a schematic perspective view of a locking device for a lifting apparatus according to the present invention with a good anti-theft effect;
FIG. 2 is a schematic diagram of a rear end three-dimensional structure of the locking device for lifting equipment with a good anti-theft effect;
FIG. 3 is a schematic view of the front side of the supporting tube of the locking device for lifting equipment of the present invention;
FIG. 4 is a schematic view of a front partial structure of a support tube of the locking device for a lifting apparatus according to the present invention;
FIG. 5 is a schematic view of a three-dimensional structure of a movable circular plate and a rotating shaft of the locking device for lifting equipment with good anti-theft effect;
FIG. 6 is a schematic perspective view of a rotary valve and a movable circular plate of the locking device for lifting equipment with good anti-theft effect of the present invention;
FIG. 7 is a schematic perspective view of a movable circular plate and a movable plate of the locking device for lifting equipment with good anti-theft effect of the present invention;
FIG. 8 is a schematic view showing a three-dimensional structure of a moving plate and a supporting spring of the locking device for lifting equipment with a good anti-theft effect of the present invention;
fig. 9 is a schematic perspective view of the support plate and the auxiliary backing plate of the locking device for lifting equipment with good anti-theft effect of the present invention.
In the figure: 1. a work frame body; 2. an arc-shaped slot; 3. supporting a tube; 4. rotating the valve; 5. a manual elastic wrench; 6. a movable frame body; 7. a support plate; 8. fixing the shaft seat; 9. a movable circular plate; 10. moving the plate; 11. a driving gear; 12. a driven gear; 13. a limit threaded rod; 14. a blocking plate; 15. an auxiliary backing plate; 16. rotating the shaft lever; 17. a through hole; 18. a buffer column; 19. a support spring; 20. a telescopic rod; 21. a mating disc; 22. a limiting round hole; 23. a movable gear seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides an effectual locking device for lifting equipment prevents burglary, including the work support body 1, stay tube 3, manual elasticity spanner 5 and backup pad 7, the upper end surface of stay tube 3 runs through and installs rotary valve 4, the inside of stay tube 3 is provided with activity plectane 9, the inside of stay tube 3 and the right side that is located activity plectane 9 are provided with movable plate 10, the left side of activity plectane 9 is provided with driving gear 11, the upper and lower end of driving gear 11 all is provided with driven gear 12, the inside of driven gear 12 is provided with limit threaded rod 13, the right side of activity plectane 9 is provided with supporting spring 19, cooperation disc 21 has all been welded to the front and back end of backup pad 7.
By the technical scheme, the manual elastic wrench 5 is pulled and the manual elastic wrench 5 moves in the arc-shaped groove 2 to drive the movable frame body 6 to rotate in the working frame body 1, the movable frame body 6 drives the supporting plate 7 to rotate, the supporting plate 7 can drive the two sets of matched discs 21 to move, the two sets of matched discs 21 move to one side with the limiting threaded rod 13, the rotating valve 4 is rotated clockwise to drive the rotating shaft 16 to rotate in the two sets of fixed shaft seats 8, so that the rotating shaft drives the rotating shaft 16 to rotate in the supporting tube 3, the rotating shaft 16 can drive the driving gear 11 to rotate, the driving gear 11 can drive the driven gears 12 on the upper side and the lower side to rotate when rotating, the driven gears 12 can drive the limiting threaded rod 13 to rotate in the supporting tube 3, the limiting threaded rod 13 can be driven to rotate in the supporting tube 3, the limiting threaded rod 13 is inserted into the limiting round hole 22, the matched discs 21 can be fixed in the supporting tube 3, the movable frame body 6 can be fixed, the fixing effect is better, the problem of further solving the problem that the left-right-and-left-right movement of the limiting threaded rod 13 is effectively solved, the buffer plate can be moved, the buffer plate 14, the buffer plate can be moved easily, the movable plate 14, and can be used for limiting plate, and can be used for limiting plate, and can be more conveniently for limiting the movable plate 14, and more easily limiting plate, and more conveniently used for limiting plate, and the buffer plate 14, and the removal of limit threaded rod 13 can drive barrier plate 14 and remove, can protect activity support body 6, prevents effectively that activity support body 6 from leading to the fact the damage to the structure of stay tube 3 inside because tension is too big, moreover, can support backup pad 7 to further fix activity support body 6.
Specifically, the upper end surfaces of the movable circular plate 9 and the movable plate 10 are provided with through holes 17, the upper end of the movable plate 10 is provided with a buffer column 18, and the upper end of the movable circular plate 9 is provided with a telescopic rod 20 on the left side of a supporting spring 19.
Through the technical scheme, the buffer column 18 can be driven to move in the support tube 3, the telescopic rod 20 is driven to move left and right, and damage to the internal structure of the support tube 3 can be prevented.
Specifically, a limit threaded rod 13 is arranged in the support tube 3 near the upper side wall and the lower side wall, a barrier plate 14 is arranged on the outer side wall of the limit threaded rod 13, gear sliding seats 23 are arranged on the upper side wall and the lower side wall in the support tube 3, and the limit threaded rod 13 is movably arranged in the driven gear 12.
Through the technical scheme, the limit threaded rod 13 can be driven to move left and right in the supporting tube 3, and the blocking plate 14 can be driven to move.
Specifically, the upper end of the supporting spring 19 is fixed to the lower end of the moving plate 10, and the two sets of telescopic rods 20 are symmetrically arranged on the upper end of the movable circular plate 9 about the supporting spring 19.
Through the technical scheme, under the elastic force of the supporting spring 19, the moving plate 10 can be pushed to move, and the telescopic rod 20 is driven to move on the right side of the movable circular plate 9.
Specifically, a fixed shaft seat 8 is arranged on the left side wall of the supporting pipe 3 and the left side end of the movable circular plate 9, a rotating shaft rod 16 is arranged at one end of the fixed shaft seat 8, and the driven gear 12 and the limit threaded rod 13 are arranged inside the supporting pipe 3.
Through above-mentioned technical scheme, can assist and rotate 16 rotations of axostylus axostyle to can drive limit threaded rod 13 and rotate.
Specifically, a limit circular hole 22 is formed through the right side of the matching disc 21, and a gear movable seat 23 is arranged at one end of the driven gear 12.
Through the technical scheme, the driven gear 12 can be conveniently rotated at one end of the gear movable seat 23, and the driven gear 12 is prevented from being unstable during movement.
Specifically, the arc wall 2 has been seted up to the upper end of work support body 1, and the inside of work support body 1 is provided with activity support body 6, and manual elastic wrench 5 runs through arc wall 2 and fixes mutually with activity support body 6, and backup pad 7 fixed mounting is at the left side end of activity support body 6.
Through above-mentioned technical scheme, make things convenient for manual elasticity spanner 5 to rotate, can drive movable support body 6 and rotate in work support body 1 is inside, and its movable support body 6 can drive backup pad 7 and rotate in 3 inside stay tubes, and convenient follow-up is fixed backup pad 7.
Specifically, two sets of support tubes 3 are arranged at the left and right sides of the working frame body 1, the left and right sets of the movable frame body 6 are respectively arranged in the two sets of support tubes 3, and the left side of the support plate 7 is provided with an auxiliary backing plate 15.
Through the technical scheme, follow-up advancing assistance can be realized, the fixing effect is good, and the supporting plate 7 inside the supporting tube 3 can be conveniently driven to rotate.
The working principle and the using process of the invention are as follows: the locking device for the lifting equipment with good anti-theft effect comprises a manual elastic wrench 5 connected with a movable frame body 6, the manual elastic wrench 5 is pulled and the manual elastic wrench 5 moves inside an arc-shaped groove 2, the movable frame body 6 can be driven to rotate inside a working frame body 1, a supporting plate 7 is driven to rotate by the movable frame body 6, two sets of matched disks 21 can be driven to move by the supporting plate 7 and move one side with a limit threaded rod 13 by the two sets of matched disks 21, then, the rotating valve 4 can be rotated clockwise, the rotating shaft 16 can be driven to rotate inside two sets of fixed shaft seats 8, the rotating shaft 16 can be driven to rotate inside a supporting tube 3, the rotating shaft 16 can drive a driving gear 11 to rotate, the driving gear 11 can drive driven gears 12 on the upper side and the lower side to rotate, the driven gears 12 can drive a limit threaded rod 13 to rotate inside the supporting tube 3, the limit threaded rod 13 can be driven to move left and right inside the supporting tube 3, the limit threaded rod 13 can be inserted into a limit circular hole 22, the circular disk 21 can be fixed inside the supporting tube 3, the movable threaded rod 6 can be fixed, a cushion plate 14 can be further used for effectively blocking a buffer screw rod, and the movable plate 14 can be further driven to move under the buffer the auxiliary threaded rod, and the buffer plate 14, and the buffer plate can be moved under the effect of the buffer plate can be effectively, and the removal of limiting threaded rod 13 can drive barrier plate 14 and remove, can protect activity support body 6, prevents effectively that activity support body 6 from causing the damage to the structure of stay tube 3 inside because tension is too big.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an effectual locking device for lifting equipment of theftproof, includes work support body (1), stay tube (3), manual elastic spanner (5) and backup pad (7), its characterized in that: the upper end surface of the support tube (3) is provided with a rotary valve (4) in a penetrating manner, a movable circular plate (9) is arranged inside the support tube (3), a moving plate (10) is arranged inside the support tube (3) and positioned on the right side of the movable circular plate (9), a driving gear (11) is arranged on the left side of the movable circular plate (9), driven gears (12) are arranged at the upper end and the lower end of the driving gear (11), a limit threaded rod (13) is arranged inside the driven gear (12), a support spring (19) is arranged on the right side of the movable circular plate (9), matching circular plates (21) are welded at the front end and the rear end of the support plate (7), through holes (17) are formed in the upper end surfaces of the movable circular plate (9) and the moving plate (10) in a penetrating manner, a buffer column (18) is arranged at the upper end of the moving plate (10), and a telescopic rod (20) is arranged at the upper end of the movable circular plate (9) and positioned on the left side of the support spring (19);
the gear transmission device is characterized in that a limit threaded rod (13) is arranged at the position, close to the upper side wall and the lower side wall, of the inside of the supporting pipe (3), a stop plate (14) is arranged on the outer side wall of the limit threaded rod (13), gear movable seats (23) are arranged on the upper side wall and the lower side wall of the inside of the supporting pipe (3), the limit threaded rod (13) is movably arranged inside the driven gear (12), a fixed shaft seat (8) is arranged on the left side wall of the inside of the supporting pipe (3) and the left side end of the movable circular plate (9), a rotating shaft rod (16) is arranged at one end of the fixed shaft seat (8), the driven gear (12) and the limit threaded rod (13) are arranged inside the supporting pipe (3), a limit round hole (22) is formed in a penetrating mode on the right side of the matching circular plate (21), and a gear movable seat (23) is arranged at one end of the driven gear (12).
2. The locking device for the lifting equipment with good anti-theft effect according to claim 1, characterized in that: the upper ends of the supporting springs (19) are fixed with the lower end of the moving plate (10), and the two groups of telescopic rods (20) are symmetrically arranged at the upper end of the movable circular plate (9) relative to the supporting springs (19).
3. The locking device for lifting equipment with good anti-theft effect according to claim 1, characterized in that: arc wall (2) have been seted up to the upper end of work support body (1), the inside of work support body (1) is provided with movable support body (6), manual elasticity spanner (5) run through arc wall (2) and are fixed mutually with movable support body (6), backup pad (7) fixed mounting is in the left side end of movable support body (6).
4. The locking device for the lifting equipment with good anti-theft effect according to claim 3, characterized in that: two sets of stay tubes (3) set up the both sides end about the work support body (1), two sets of settings are respectively in the inside of two sets of stay tubes (3) about activity support body (6), the left side of backup pad (7) is provided with supplementary backing plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073828.6A CN113775614B (en) | 2021-09-14 | 2021-09-14 | Effectual locking device for lifting equipment of theftproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073828.6A CN113775614B (en) | 2021-09-14 | 2021-09-14 | Effectual locking device for lifting equipment of theftproof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113775614A CN113775614A (en) | 2021-12-10 |
| CN113775614B true CN113775614B (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111073828.6A Active CN113775614B (en) | 2021-09-14 | 2021-09-14 | Effectual locking device for lifting equipment of theftproof |
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| CN (1) | CN113775614B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3498960A1 (en) * | 2017-12-15 | 2019-06-19 | Liberda, Victor | Locking device for a door, in particular sliding door |
| CN110074576A (en) * | 2019-05-21 | 2019-08-02 | 淳安青节电子商务有限公司 | Screw rod is used in a kind of lifting of high security seat |
| CN110529472A (en) * | 2019-09-17 | 2019-12-03 | 河南四达电力设备股份有限公司 | Pressure fastener |
| CN112145520A (en) * | 2020-10-19 | 2020-12-29 | 天津博泰天宇科技发展有限公司 | One-key lock structure for tripod |
| CN112496733A (en) * | 2021-02-07 | 2021-03-16 | 烟台工程职业技术学院(烟台市技师学院) | Clamping and mounting integrated device for circular workpiece plate |
| CN213270600U (en) * | 2020-07-13 | 2021-05-25 | 杭州华一强实业有限公司 | Locking mechanism for double-glass-fiber telescopic rod |
-
2021
- 2021-09-14 CN CN202111073828.6A patent/CN113775614B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3498960A1 (en) * | 2017-12-15 | 2019-06-19 | Liberda, Victor | Locking device for a door, in particular sliding door |
| CN110074576A (en) * | 2019-05-21 | 2019-08-02 | 淳安青节电子商务有限公司 | Screw rod is used in a kind of lifting of high security seat |
| CN110529472A (en) * | 2019-09-17 | 2019-12-03 | 河南四达电力设备股份有限公司 | Pressure fastener |
| CN213270600U (en) * | 2020-07-13 | 2021-05-25 | 杭州华一强实业有限公司 | Locking mechanism for double-glass-fiber telescopic rod |
| CN112145520A (en) * | 2020-10-19 | 2020-12-29 | 天津博泰天宇科技发展有限公司 | One-key lock structure for tripod |
| CN112496733A (en) * | 2021-02-07 | 2021-03-16 | 烟台工程职业技术学院(烟台市技师学院) | Clamping and mounting integrated device for circular workpiece plate |
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| CN113775614A (en) | 2021-12-10 |
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