CN203505994U - Desktop angle regulator - Google Patents
Desktop angle regulator Download PDFInfo
- Publication number
- CN203505994U CN203505994U CN201320605231.6U CN201320605231U CN203505994U CN 203505994 U CN203505994 U CN 203505994U CN 201320605231 U CN201320605231 U CN 201320605231U CN 203505994 U CN203505994 U CN 203505994U
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- China
- Prior art keywords
- ratchet
- groove
- desktop
- connecting shaft
- drive
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- Expired - Fee Related
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Abstract
The utility model discloses a desktop angle regulator which comprises a pawl seat, a ratchet rotation part, a clutch drive plate and an end cover. The pawl seat is provided with a pin joint pillar and a pin joint shaft. The pin joint pillar is provided with a pawl in a pivotal mode, and a first clamping groove and a second clamping groove which are connected are formed in the pawl. The ratchet rotation part is connected with the pawl seat in a rotating mode through the pin joint shaft and provided with a groove provided with an inner ratchet. An elastic part and a kidney-shaped groove are formed in the groove, and the pawl is jointed with the inner ratchet under ejecting of the elastic part. A separation stop block and a jointed stop block are arranged outside the groove. The clutch drive plate is connected with the ratchet rotation part in a rotating mode through the pin joint shaft and provided with shifting feet, a first abutting edge and a second abutting edge, wherein the shifting feet can be matched with the first clamping groove and the second clamping groove to enable the pawl to be separated from and jointed with the inner ratchet. When the desktop angle regulator is used, a rotation tabletop is pulled to a proper angle, when the rotation desktop needs to be reset to a horizontal state, the rotation desktop is pulled to a vertical position, and then the rotation desktop is pushed back to a horizontal position. The desktop angle regulator is convenient and fast to use.
Description
Technical field
The utility model relates to a kind of angle adjuster of desktop.
Background technology
Existing desk for students is in order to facilitate student to write, draw a picture, prevent it from leaning forward neck for a long time and cause cervical spondylosis and visual impairment, the general structure of adjustable inclined angle of all desktop being arranged to, by one end of rotating table top and desktop fixing is hinged, other end connection angle adjuster between rotating table top and desktop fixing is realized desktop inclination angle and is regulated, with reference to Fig. 1, existing angle demodulator generally comprises the support bar 1 ' hinged with desktop fixing, and the adjusting rod 2 ' being fixedly connected with rotating table top, the bottom of adjusting rod 2 ' arranges screens piece 21 ', support bar 1 ' offers chute 3 ' longitudinally, chute 3 ' one side is provided with some connected bayonet sockets 31 ', screens piece 21 ' can in chute 3 ', move and with chute 3 ' in any one bayonet socket 31 ' clamping, by screens piece 21 ', realize the adjusting at desktop inclination angle from different bayonet socket 31 ' clampings, although this structure is simple, but its troublesome poeration, during adjusting, need one to hold adjusting rod 2 ', another holds support bar 1 ', first screens piece 21 ' is passed out to bayonet socket 31 ', then screens piece 21 ' is slid on the bayonet socket 31 ' that needs clamping, rotary support bar 1 ' snaps in screens piece 21 ' in corresponding bayonet socket 31 ' again, thereby complete adjusting, use extremely inconvenient, and in operating process, easily cause the hand accident that crushes.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provide a kind of easy to adjust quick, use safe angle adjuster of desktop.
The utility model solves the technical scheme that its technical problem adopts:
An angle adjuster of desktop, comprising:
Pawl base, its one end is provided with the first installing hole for installing, and the other end is provided with driving rod and drive-connecting shaft, and driving rod is pivoted with ratchet, is provided with the first connected draw-in groove and the second draw-in groove on ratchet;
Ratchet tumbler, be arranged at a side of pawl base, its one end is provided with the second installing hole for installing, the other end is rotationally connected by drive-connecting shaft and pawl base, and be provided with the groove of ratchet in the band centered by drive-connecting shaft, elastic component is installed in groove and offers waist type groove, described driving rod through after waist type groove with ratchet pivot joint, ratchet is depressed with interior ratchet and is engaged on the top of elastic component, and groove is outside equipped with separating block and engagement stopper;
Clutch driver plate, for coordinating to control ratchet and interior ratchet joint or separated with separating block and engagement stopper, be arranged at the opposite side of ratchet tumbler and be rotationally connected with it by drive-connecting shaft, on it, be provided with can with the first draw-in groove coordinate ratchet is engaged with interior ratchet and can with the second draw-in groove coordinate make ratchet separated with interior ratchet dial pin, and be provided with coordinates with separating block and engagement stopper respectively first support edge and second to edge;
End cap, is arranged at the opposite side of clutch driver plate and is fixedly connected with pawl base.
As the improvement of technique scheme, described pawl base is riveted by drive-connecting shaft and end cap.
Further, between described ratchet tumbler and drive-connecting shaft, be provided with wearing bush, described clutch driver plate is provided with the driver plate hole that installs wearing bush.
Further, described driving rod, waist type groove, ratchet, separating block and engagement stopper are provided with two, and two driving rods, waist type groove, ratchet, separating block and engagement stopper are all about drive-connecting shaft Central Symmetry.
Further, described elastic component is V-type shell fragment, and two arms of V-type shell fragment push up respectively and are pressed on two ratchets.
Further, two arm front ends of described V-type shell fragment are formed with the top splenium that is semicircular arc, and described ratchet is provided with the semicircular arc groove coordinating with top splenium.
Further, described clutch driver plate is provided with is convenient to the waist-shaped hole that driving rod passes, and the two ends of driving rod are connected with end cap interference fit with pawl base respectively.
The beneficial effects of the utility model are: the utility model is being pulled to maximum position process by rotating table top from horizontal level, the pin of dialling of clutch driver plate is positioned at the first draw-in groove, clutch driver plate is because the effect of pin and the first draw-in groove of dialling is followed pawl base and rotated with respect to ratchet tumbler, ratchet is depressed with ratchet and is engaged on the top of elastic component, due to the self-locking action between interior ratchet and ratchet, rotating table top can not counter-rotate, thereby realize the object that supports rotating table top, when separating block and first supports after edge butt, clutch driver plate rotated backward with respect to ratchet due to stopping of separating block, first draw-in groove of pin from ratchet of dialling on it snapped in the second draw-in groove, cause ratchet to depart from interior ratchet, removed self-locking, therefore, rotating table top reverse push can be back to horizontal level, push back in the process of rotating table top, dial pin and the second draw-in groove effect, making clutch driver plate follow pawl base rotates with respect to ratchet tumbler, engagement stopper and second is supported after edge butt, clutch driver plate rotated backward with respect to ratchet due to stopping of engagement stopper, second draw-in groove of pin from ratchet of dialling on it snapped in the first draw-in groove, now, dial pin and under the effect of elastic component, recover the state engaging as for ratchet.When the utility model is used, rotating table top is pulled to suitable angle, when needs make rotating table top Reversion Level state, rotating table top is pulled to upright position, then rotating table top can be pushed back to horizontal level, convenient to operation, use safety, can not crush hand.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of existing angle demodulator;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is use view of the present utility model;
Fig. 4 is the rotating table top structural representation that pawl base, ratchet tumbler and clutch driver plate match while being positioned at horizontal level;
Fig. 5 is the rotating table top structural representation that pawl base, ratchet tumbler and clutch driver plate match while being positioned at maximum position.
The specific embodiment
With reference to Fig. 2 to Fig. 5, a kind of angle adjuster of desktop of the present utility model, comprises
Pawl base 1, its one end is provided with the first installing hole 11 for installing, and the other end is provided with driving rod 5 and drive-connecting shaft 6; Described driving rod 5 is pivoted with ratchet 7, is provided with the first connected draw-in groove 71 and the second draw-in groove 72 on ratchet 7;
End cap 4, is arranged at the opposite side of clutch driver plate 3 and is fixedly connected with pawl base 1.
When the utility model is installed, ratchet tumbler 2 is fixedly installed in to the front end of desktop fixing 20, and pawl base 1 is fixedly installed in to the front end of rotating table top 10, without again that rotating table top 10 and desktop fixing 20 is hinged, install simple; Certainly, ratchet tumbler 2 is not limited to this with the installation site of pawl base 1, and both installation sites can be changed.In actual installation process, ratchet tumbler 2, pawl base 1 can be installed with screw or rivet.
The utility model is when horizontal folded position, driving rod 5 is positioned at one end of waist type groove 24, the pin 31 of dialling of clutch driver plate 3 is positioned at the first draw-in groove 71, ratchet 7 is depressed with ratchet and is engaged on the top of elastic component 23, while pulling rotating table top 10 to vertical direction, pawl base 1 relatively rotates with ratchet tumbler 2, now ratchet 7 slips over from interior ratchet 221, because the pin 31 of dialling on clutch driver plate 3 acts on the first draw-in groove 71 on ratchet 7, making clutch driver plate 3 follow pawl base 1 rotates with respect to ratchet tumbler 2, and due to the reverse self-locking effect of ratchet 7 with interior ratchet 221, rotating table top 10 can not return to horizontal folded position under the effect of gravity or external force, thereby realize the object that supports rotating table top 10, when rotating table top 10 being pulled to while approaching maximum position place, now, on separating block 25 on ratchet tumbler 2 and clutch driver plate 3 first supports edge 32 butts, while continuing to pull rotating table top 10 to maximum position, due to stopping of separating block 25, clutch driver plate 3 rotates backward with respect to ratchet 7, thereby first draw-in groove 71 of pin 31 from ratchet 7 of dialling on clutch driver plate 3 snapped in the second draw-in groove 72, now, driving rod 5 is positioned at the other end of waist type groove 24, dialling the active force that pin 31 overcomes elastic component 23 acts on the second draw-in groove 72, make ratchet 7 depart from interior ratchet 221, removed self-locking, therefore, rotating table top 10 can be pushed back to horizontal level, push back in the process of rotating table top 10, dial pin 31 and the second draw-in groove 72 effects, making clutch driver plate 3 follow pawl base 1 rotates with respect to ratchet tumbler 2, when rotating table top 10 approaches horizontal level, on engagement stopper 26 on ratchet tumbler 2 and clutch driver plate 3 second supports edge 33 butts, while continuing to promote rotating table top 10 to horizontal level, due to stopping of engagement stopper 26, clutch driver plate 3 rotates backward with respect to ratchet 7, thereby second draw-in groove 72 of pin 31 from ratchet 7 of dialling on clutch driver plate 3 snapped in the first draw-in groove 71, now, dial pin 31 and under the effect of elastic component 23, recover the state engaging as for ratchet.
When the utility model is used, rotating table top 10 is pulled to suitable angle, when needs make rotating table top 10 Reversion Level state, rotating table top 10 is pulled to upright position, then rotating table top 10 can be pushed back to horizontal level, convenient to operation.
Preferably, described pawl base 1 is by drive-connecting shaft 6 and end cap 4 riveted joints.Drive-connecting shaft 6, except connecting pawl base 1, ratchet tumbler 2 and clutch driver plate 3, also plays the effect of fixed pawl seat 1 and end cap 4, simplifies the structure.
Further, the wearing and tearing mutually in order to prevent between ratchet tumbler 2 and drive-connecting shaft 6, between clutch driver plate 3 and drive-connecting shaft 6, are provided with wearing bush 8 between described ratchet tumbler 2 and drive-connecting shaft 6, and described clutch driver plate 3 is provided with the driver plate hole 34 that installs wearing bush 8.
In order to make angle adjuster of desktop stress equalization, improve its functional reliability, described driving rod 5, waist type groove 24, ratchet 7, separating block 25 and engagement stopper 26 are provided with two, and two driving rods 5, waist type groove 24, ratchet 7, separating block 25 and engagement stopper 26 are all about drive-connecting shaft 6 Central Symmetries.Preferably, described elastic component 23 is V-type shell fragment, and two arms of V-type shell fragment push up respectively and are pressed on two ratchets 7, have saved installing space; Simultaneously, for more fixing V-type shell fragment, prevent that V-type shell fragment is from ejecting between two ratchets 7, two arm front ends of described V-type shell fragment are formed with the top splenium 231 that is semicircular arc, and described ratchet 7 is provided with the semicircular arc groove 73 coordinating with top splenium 231.
Further, in order to prevent ratchet 7, from driving rod 5, deviate from, the upper surface of driving rod 5 is exceeded to ratchet 7, described clutch driver plate 3 is provided with is convenient to the waist-shaped hole 35 that driving rod 5 passes, the two ends of driving rod 5 are connected with end cap 4 interference fit with pawl base 1 respectively, and in the utility model, pawl base 1 is connected with a drive-connecting shaft 6 by two driving rods 5 with end cap 4, connect reliable, end cap 4 is difficult for dropping from pawl base 1, and facilitates location and installation between pawl base 1 and end cap 4.
Certainly, the utility model, except above-mentioned embodiment, can also have other structural distortion, and these equivalent technical solutions also should be within its protection domain.
Claims (7)
1. an angle adjuster of desktop, is characterized in that, comprises;
Pawl base (1), its one end is provided with the first installing hole (11) for installing, the other end is provided with driving rod (5) and drive-connecting shaft (6), and driving rod (5) is pivoted with ratchet (7), is provided with connected the first draw-in groove (71) and the second draw-in groove (72) on ratchet (7);
Ratchet tumbler (2), be arranged at a side of pawl base (1), its one end is provided with the second installing hole (21) for installing, the other end is rotationally connected by drive-connecting shaft (6) and pawl base (1), and be provided with the groove (22) of ratchet (221) in the band centered by drive-connecting shaft (6), elastic component (23) is installed in groove (22) and offers waist type groove (24), described driving rod (5) is rear and ratchet (7) pivot joint through waist type groove (24), ratchet (7) is depressed with interior ratchet (221) and is engaged on the top of elastic component (23), groove (22) is outside equipped with separating block (25) and engagement stopper (26),
Clutch driver plate (3), for coordinating to control ratchet (7) and interior ratchet (221) joint or separated with separating block (25) and engagement stopper (26), be arranged at the opposite side of ratchet tumbler (2) and be rotationally connected with it by drive-connecting shaft (6), on it, be provided with and can coordinate and ratchet (7) is engaged with interior ratchet (221) and can coordinate group pin (31) that makes ratchet (7) separated with interior ratchet (221) with the second draw-in groove (72) with the first draw-in groove (71), and be provided with coordinate with separating block (25) and engagement stopper (26) respectively first support edge (32) and second to edge (33),
End cap (4), is arranged at the opposite side of clutch driver plate (3) and is fixedly connected with pawl base (1).
2. a kind of angle adjuster of desktop according to claim 1, is characterized in that: described pawl base (1) is by drive-connecting shaft (6) and end cap (4) riveted joint.
3. a kind of angle adjuster of desktop according to claim 1, it is characterized in that: between described ratchet tumbler (2) and drive-connecting shaft (6), be provided with wearing bush (8), described clutch driver plate (3) is provided with the driver plate hole (34) that installs wearing bush (8).
4. a kind of angle adjuster of desktop according to claim 1, it is characterized in that: described driving rod (5), waist type groove (24), ratchet (7), separating block (25) and engagement stopper (26) are provided with two, and two driving rods (5), waist type groove (24), ratchet (7), separating block (25) and engagement stopper (26) are all about drive-connecting shaft (6) Central Symmetry.
5. a kind of angle adjuster of desktop according to claim 4, is characterized in that: described elastic component (23) is V-type shell fragment, and two arms of V-type shell fragment push up respectively and are pressed on two ratchets (7).
6. a kind of angle adjuster of desktop according to claim 5, it is characterized in that: two arm front ends of described V-type shell fragment are formed with the top splenium (231) that is semicircular arc, described ratchet (7) is provided with the semicircular arc groove (73) coordinating with top splenium (231).
7. a kind of angle adjuster of desktop according to claim 1, it is characterized in that: described clutch driver plate (3) is provided with is convenient to the waist-shaped hole (35) that driving rod (5) passes, and the two ends of driving rod (5) are connected with end cap (4) interference fit with pawl base (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320605231.6U CN203505994U (en) | 2013-09-27 | 2013-09-27 | Desktop angle regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320605231.6U CN203505994U (en) | 2013-09-27 | 2013-09-27 | Desktop angle regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203505994U true CN203505994U (en) | 2014-04-02 |
Family
ID=50364990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320605231.6U Expired - Fee Related CN203505994U (en) | 2013-09-27 | 2013-09-27 | Desktop angle regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203505994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455306A (en) * | 2014-09-09 | 2016-04-06 | 何太阳 | Shoe buckle for dual-purpose sandals |
| CN113334972A (en) * | 2021-06-01 | 2021-09-03 | 湖南环境生物职业技术学院 | Portable drawing device for design |
-
2013
- 2013-09-27 CN CN201320605231.6U patent/CN203505994U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455306A (en) * | 2014-09-09 | 2016-04-06 | 何太阳 | Shoe buckle for dual-purpose sandals |
| CN105455306B (en) * | 2014-09-09 | 2018-05-25 | 何太阳 | For the shoe buckle of flip-flop dual-purpose shoe |
| CN113334972A (en) * | 2021-06-01 | 2021-09-03 | 湖南环境生物职业技术学院 | Portable drawing device for design |
| CN113334972B (en) * | 2021-06-01 | 2023-08-22 | 湖南环境生物职业技术学院 | Drawing device is used in design that conveniently carries |
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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: 20140402 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |