CN216854086U - Self-locking lifting rod - Google Patents
Self-locking lifting rod Download PDFInfo
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- CN216854086U CN216854086U CN202123423455.9U CN202123423455U CN216854086U CN 216854086 U CN216854086 U CN 216854086U CN 202123423455 U CN202123423455 U CN 202123423455U CN 216854086 U CN216854086 U CN 216854086U
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- lifting
- torsional spring
- driving
- lifting rod
- teeth
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- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to the field of lifting tables, and particularly discloses a self-locking lifting rod. A self-locking lifting rod comprises a supporting rod, a first casing and a second casing, wherein a lifting rod which is in telescopic fit with the supporting rod is arranged in the supporting rod, a shaft disc and torsional spring plastic are arranged at the top of the lifting rod, a gap is formed between the shaft disc and the torsional spring plastic, a torsional spring is arranged on the lifting rod, the torsional spring is sleeved outside the torsional spring plastic, and a fixed seat which is in limit fit with the second casing is arranged outside the torsional spring; the second cover shell is externally provided with a fixing groove for clamping the fixing seat. This from locking-type lifter passes through the torsional spring and increases the self-locking power of lifter with the frictional force that the torsional spring plastic extrusion produced, is not influenced by the drive of peripheral hardware motor when ascending, and when peripheral hardware motor power is not enough or descend naturally, the torsional spring atress inwards deforms, leads to the coefficient of friction grow of torsional spring and torsional spring plastic, and at this moment, under the condition of power source not, the lifter can not descend.
Description
Technical Field
The utility model relates to the field of lifting tables, in particular to a self-locking lifting rod for lifting table legs.
Background
The lifting table is widely used in European and American countries, and is gradually recognized and widely applied in China. Its value is help office crowd takes a good place for a long time to sit, realizes standing official working, automatic rising table generally uses the electricity as power source, adjust the height of lift table through motor control mechanical device, also can adjust the height of lift table through compressor control pneumatic rod or hydraulic rod, no matter be sit official working for a long time or stand official working for a long time and produce not good physiological effects to the human body, only the official working is the most scientific in turn of sitting the station, the most healthy official working mode, the official working is worked in turn of sitting the station will guide the big change of a healthy official working.
Along with people sit working time longer and longer, people realize gradually that sit for a long time and be unfavorable for work efficiency's improvement on the contrary, people begin to try to sit and stand alternating official working, gradual lift table has just also appeared, use lift table standing official working to become a popular healthy official working mode, and the most important then is its lift table leg that can realize raising and lowering functions among the lift table, however, the lifter helical pitch that electronic lift table used is great, the lifter itself does not have the self-locking power, after the lift table rose to the top and stops, if driving motor does not have the self-locking power or the self-locking power is not enough, the lift table also can automatic decline, can bring great potential safety hazard.
The technical problem to be solved by the application is as follows: how to realize the self-locking of the lifting table can keep not descending when the lifting table is lifted to the highest.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a self-locking lifting rod which prevents falling and has strong stability.
The technical scheme adopted by the utility model is as follows: the utility model provides a from locking-type lifter, includes bracing piece, first cover shell and second cover shell, be equipped with in the bracing piece with the bracing piece flexible complex lifter, the lifter top is equipped with reel and torsional spring plastic, is provided with the clearance between reel and the torsional spring plastic, is provided with the torsional spring on the lifter, the torsional spring cover is located the torsional spring plastic outside, the torsional spring be equipped with outward with the spacing complex fixing base of second cover shell.
In some embodiments, the second cover shell is externally provided with a fixing groove for clamping the fixing seat, when the lifting rod ascends, the torsion spring is not stressed, when the lifting rod naturally descends due to insufficient power, the torsion spring generates a reaction force to hold the torsion spring plastic tightly, and the self-locking force of the lifting rod is increased by means of the friction force generated by the extrusion of the torsion spring and the torsion spring plastic.
In some embodiments, the plastic bottom of the torsion spring is provided with a bearing, and the bearing is matched with the shaft disc to enable the falling process to be smoother.
In some embodiments, the lifting rod is provided with a thread for the lifting rod to move in the support rod, the bottom of the lifting rod is provided with a limiting bottom rod, and the support rod is provided with a groove matched with the limiting bottom rod. The lifter can realize its lift in the bracing piece internal screw rotation to the lift table that the drive links to each other with the lifter top rises, and can block into the recess of spacing sill bar bottom when the lifter descends, prevents the condition that the lift table slope appears when descending, has further improved the stability when this lift table goes up and down.
In some embodiments, the lifting rod is sleeved with a lifting sleeve in threaded fit with the lifting rod, the lifting sleeve is positioned below the torsion spring, and the lifting sleeve is in limit fit with the support rod. The lifting sleeve is clamped at the top of the supporting rod and is in threaded connection with the lifting rod, so that the lifting table legs are convenient to disassemble, the lifting rod is disassembled to perform operations such as replacement, maintenance and lubrication oil feeding, and the disassembling function of the lifting table legs is quickly realized.
In some embodiments, the shaft disc is provided with lifting teeth, the lifting teeth are provided with driving teeth, the driving teeth are in meshed connection with the lifting teeth, the driving teeth and the lifting teeth are perpendicular to each other, and the driving teeth are externally provided with an external motor for driving the driving teeth to rotate. The user can start the peripheral hardware motor and realize the rotation of drive tooth to drive the lifting tooth rotation rather than meshing together, and the lifting tooth drives the lifter and rotates in the lifting cover again, realizes going up and down.
In some embodiments, one side of the driving teeth is provided with a driving disk, the other side of the driving teeth is fixed with a sleeve, and one side of the sleeve far away from the driving teeth is provided with a stabilizing disk. Sleeve and lifting teeth clearance fit do not contact with lifting teeth to telescopic both sides link to each other with driving-disc and stabilizer plate respectively, and when the driving-disc rotated, can drive the stabilizer plate on sleeve and rotate in the space that forms in the lump in first cover shell and second cover shell, guarantee its stability, the condition of sleeve slope can not appear, the dead condition of card appears when preventing to rotate.
In some embodiments, the second housing defines a slot, and the driving disk is engaged with the slot. The driving disc and the stabilizing disc are respectively clamped on the inner sides of the first sleeve and the second sleeve, so that clamping of the driving disc and the stabilizing disc is realized, and the lifting table is prevented from being damaged due to falling off.
In some embodiments, the output end of the peripheral motor passes through the machine groove to be in driving connection with the driving teeth, and the driving disk is in driving connection with the driving teeth.
The utility model has the beneficial effects that: this from locking-type lifter increases the self-locking power of lifter through the frictional force that torsional spring and torsional spring plastic extrusion produced, is not influenced by the drive of peripheral hardware motor when ascending, and when peripheral hardware motor power is not enough or descend naturally, the torsional spring atress inwards deforms, leads to the coefficient of friction grow of torsional spring and torsional spring plastic, and at this moment, under the circumstances that does not have the power, the lifter can not descend.
Drawings
FIG. 1 is a schematic diagram of the overall three-dimensional structure of the self-locking lifting rod of the present invention;
FIG. 2 is a schematic view of a partial left-side view structure of the self-locking lifting rod of the present invention;
fig. 3 is a partial three-dimensional structure schematic diagram of the self-locking lifting rod of the utility model.
In the figure: 1. a first jacket; 2. a second jacket; 3. a lifting rod; 4. a support bar; 5. a drive plate; 6. a drive tooth; 7. a stabilizing disc; 8. a sleeve; 9. lifting teeth; 10. a reel; 11. torsional spring plastic; 12. a lifting sleeve; 13. a torsion spring; 14. a limiting bottom rod; 15. a machine groove; 16. a fixed 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 3, the present invention provides a technical solution: the utility model provides a from locking-type lifter, includes bracing piece 4, first cover shell 1 and second cover shell 2, is equipped with in the bracing piece 4 with bracing piece 4 flexible complex lifter 3, its characterized in that, 3 tops of lifter are equipped with reel 10 and torsional spring plastic 11, are provided with the clearance between reel 10 and the torsional spring plastic 11, are provided with torsional spring 13 on the lifter 3, and 11 outsidely of torsional spring plastic are located to the torsional spring 13 cover, and torsional spring 13 is equipped with outward with the spacing complex fixing base 16 of second cover shell 2.
The second cover shell 2 is equipped with the fixed slot that is used for block fixing base 16 outward, and when the lifter 3 rose, torsional spring 13 did not receive the force, when descending because of the power is not enough naturally, torsional spring 13 produced the reaction force, held torsional spring plastic 11 tightly, relied on torsional spring 13 and the extrusion of torsional spring plastic 11 the frictional force that produces increase lifter 3's self-locking power.
The bottom of the torsion spring plastic 11 is provided with a bearing which is matched with the shaft disc 10 to make the falling process smoother.
The lifting rod 3 is provided with a thread used for the lifting rod 3 to move in the support rod 4, the bottom of the lifting rod 3 is provided with a limit bottom rod 14, and the support rod 4 is internally provided with a groove matched with the limit bottom rod 14. Lifting rod 3 can realize its lift in 4 internal screw rotations of bracing piece to the lift table that the drive links to each other with lifting rod 3 top rises, and can block into the recess of spacing sill bar 14 bottoms when lifting rod 3 descends, prevents the condition that the lift table slope appears when descending, has further improved the stability when this lift table goes up and down.
The lifting sleeve 12 in threaded fit with the lifting rod 3 is sleeved outside the lifting rod 3, the lifting sleeve 12 is located below the torsion spring 13, and the lifting sleeve 12 is in limit fit with the supporting rod 4. The lifting sleeve 12 is clamped at the top of the supporting rod 4, the lifting sleeve 12 is in threaded connection with the lifting rod 3, the lifting table legs are convenient to disassemble, the lifting rod 3 is disassembled to carry out replacement, maintenance, lubricating oil feeding and other operations, and the disassembling function is quickly realized.
One side of the driving teeth 6 is provided with a driving disc 5, the other side of the driving teeth 6 is provided with a sleeve 8, and one side of the sleeve 8 far away from the driving teeth 6 is provided with a stabilizing disc 7. Sleeve 8 and 9 clearance fit of lift tooth, not with 9 contacts of lift tooth to sleeve 8's both sides link to each other with driving-disc 5 and stabilizer disc 7 respectively, when driving-disc 5 rotates, can drive stabilizer disc 7 on sleeve 8 and the sleeve 8 and rotate in the space that first set of shell 1 and second cover shell 2 formed in the lump, guarantee its stability, the condition of sleeve 8 slope can not appear, the dead condition of card appears when preventing to rotate.
The top of the lifting rod 3 is provided with a first casing 1 and a second casing 2 which are respectively matched with the driving disc 5 and the stabilizing disc 7 in a limiting way, the second casing 2 is provided with a machine groove 15, and the driving disc 5 is connected with the machine groove 15 in a clamping way. The driving disc 5 and the stabilizing disc 7 are respectively clamped inside the first jacket 1 and the second jacket 2, so that the driving disc 5 and the stabilizing disc 7 are clamped, and the lifting table is prevented from being damaged due to falling off.
The output end of the external motor passes through the machine slot 15 to be in driving connection with the driving teeth 6, and the driving disc 5 is in driving connection with the driving teeth 6.
The working principle and the using process of the utility model are as follows: when the lifting table is installed, firstly, a table plate with threads on two sides is prepared, then two lifting table legs are respectively installed on two sides of the lifting table plate, when in installation, a stabilizing disc 7 in one lifting table leg needs to be aligned with a driving disc 5 in the other lifting table leg, and a solid metal rod is respectively clamped in the stabilizing disc 7 of one lifting table leg and the driving disc 5 of the other lifting table leg, so that the two lifting table legs can synchronously realize lifting when an external motor output shaft rotates, when the motor is started, the driving teeth 6 are driven to rotate above the lifting teeth 9, so that the rotating force is transmitted to the lifting rod 3, when the lifting rod 3 rotates in the lifting sleeve 12, because the lifting rod is in threaded connection, the lifting rod 3 can be lifted by forward rotation, and the lifting rod 3 can be lowered by reverse rotation, when the lifting rod 3 is lifted, the torsion spring 13 is not stressed, if the lifting rod naturally descends due to insufficient power, the torsion spring 13 generates a reaction force to tightly hold the torsion spring plastic 11, and the self-locking force of the lifting rod 3 is increased by virtue of a friction force generated by extruding the torsion spring 13 and the torsion spring plastic 11. The friction force generated by the extrusion of the torsion spring 13 and the torsion spring plastic 11 increases the self-locking force of the lifting rod 3, the lifting is not affected by the driving of the external motor, and when the power of the external motor is insufficient or naturally falls, the torsion spring 13 is stressed to deform inwards, so that the friction coefficient between the torsion spring 13 and the torsion spring plastic 11 is increased, and at the moment, the lifting rod 3 cannot fall under the condition of no power source.
Finally, it should be noted that the above is only a preferred example of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments, or some technical features thereof can be replaced. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. From locking-type lifter, including bracing piece (4), first cover shell (1) and second cover shell (2), be equipped with in bracing piece (4) with bracing piece (4) flexible complex lifter (3), its characterized in that, lifter (3) top is equipped with reel (10) and torsional spring plastic (11), be provided with the clearance between reel (10) and torsional spring plastic (11), be provided with torsional spring (13) on lifter (3), torsional spring (13) cover is located torsional spring plastic (11) outside, torsional spring (13) be equipped with outward with spacing complex fixing base (16) of second cover shell (2).
2. The self-locking lifting rod according to claim 1, characterized in that the lifting rod (3) is provided with a thread for the movement of the lifting rod (3) in the support rod (4), the bottom of the lifting rod (3) is provided with a limit bottom rod (14), and the support rod (4) is provided with a groove which is matched with the limit bottom rod (14).
3. The self-locking lifting rod according to claim 1, wherein the lifting rod (3) is externally sleeved with a lifting sleeve (12) in threaded fit with the lifting rod (3), the lifting sleeve (12) is positioned below the torsion spring (13), and the lifting sleeve (12) is in limit fit with the support rod (4).
4. The self-locking lifting rod according to claim 1, wherein the shaft disc (10) is provided with lifting teeth (9), the lifting teeth (9) are provided with driving teeth (6), the driving teeth (6) are engaged with the lifting teeth (9), the driving teeth (6) are perpendicular to the lifting teeth (9), and an external motor for driving the driving teeth (6) to rotate is arranged outside the driving teeth (6).
5. Self-locking lifting rod according to claim 4, characterized in that one side of the driving tooth (6) is provided with a driving disk (5), the other side of the driving tooth (6) is provided with a sleeve (8), and one side of the sleeve (8) far away from the driving tooth (6) is provided with a stabilizing disk (7).
6. Self-locking lifting rod according to claim 5, wherein the second housing (2) is provided with a slot (15), and the driving plate (5) is connected with the slot (15) in a clamping manner.
7. The self-locking lifting rod according to claim 6, wherein the output end of the external motor passes through the machine slot (15) and is in driving connection with the driving teeth (6), and the driving disk (5) is in driving connection with the driving teeth (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423455.9U CN216854086U (en) | 2021-12-31 | 2021-12-31 | Self-locking lifting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423455.9U CN216854086U (en) | 2021-12-31 | 2021-12-31 | Self-locking lifting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216854086U true CN216854086U (en) | 2022-07-01 |
Family
ID=82150045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123423455.9U Active CN216854086U (en) | 2021-12-31 | 2021-12-31 | Self-locking lifting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216854086U (en) |
-
2021
- 2021-12-31 CN CN202123423455.9U patent/CN216854086U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |