CN204764096U - A three linkage lift positioner for over -and -under type location tea table - Google Patents
A three linkage lift positioner for over -and -under type location tea table Download PDFInfo
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- CN204764096U CN204764096U CN201520424764.3U CN201520424764U CN204764096U CN 204764096 U CN204764096 U CN 204764096U CN 201520424764 U CN201520424764 U CN 201520424764U CN 204764096 U CN204764096 U CN 204764096U
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- fixed disc
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- bearing
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Abstract
The utility model relates to a three linkage lift positioner for over -and -under type location tea table, including fixed disc, fixed disc lower extreme is provided with three pairs of spliced poles, three pairs of spliced pole lower extreme welding have Y type stationary blade, Y type stationary blade middle part is connected with the center pin, be connected between center pin and the fixed disc, and install sun gear through the key on the center pin, Y type stationary blade upper end mid -mounting has the ball bearing no. One, install the drive shaft on the ball bearing, be connected through the bearing between drive shaft top and the fixed disc, and drive gear is installed through the key in the drive shaft middle part, Y type stationary blade evenly is provided with three positioning mechanism, three positioning mechanism's top is connected with the removal disc respectively, be connected through the clearance fit mode in the middle part of the removal disc with between the center pin. The utility model discloses can realize the lift locate function of high accuracy, have that the structure is simple and convenient, easy and simple to handle, the balance quality is good in the motion process, the elevation positioning performance is good and advantage such as work efficiency height.
Description
Technical field
The utility model relates to tea table technical field, particularly a kind of three interlock lifting-positioning devices for lift location tea table.
Background technology
At present, general tea table desktop be all fixed, because the height of different people is different, when people have dinner above, write or learn, it does not reach the height of human comfort, and this uncomfortable posture works long hours and also can affect the healthy of people.Although in prior art, also the tea table of some band elevating functions is had, these tea tables are all the object being realized lifting by single transmission mechanism or other single-point driving mechanism easily producing gap substantially, but this single-point driving mechanism is inevitable can bring slight inclination in lifting process, if people put teacup or other band water container above may overflow, very large inconvenience can be brought.
Summary of the invention
In order to solve the problem, the utility model provides a kind of three interlock lifting-positioning devices for lift location tea table, solve single-point driving mechanism on existing lifting tea table can bring slight inclination and cause tea to overflow the difficult problem of coming in lifting process, high-precision lifting positioning function can be realized, have in features simple structure, easy and simple to handle, motion process that balance quality is good, altitude location performance is good and operating efficiency advantages of higher.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of three interlock lifting-positioning devices for lift location tea table, comprise fixed disc; Described fixed disc is evenly provided with three locating holes along the central axis of fixed disc, and fixed disc lower end is evenly provided with three pairs of joint pins along the central axis of fixed disc; Described three pairs of joint pin lower ends are welded with Y type stator, are fixed on fixed disc by three pairs of joint pins by Y type stator; Central shaft is connected with by bearing in the middle part of described Y type stator; Described central shaft is connected by bearing with between fixed disc, and central shaft between Y type stator and fixed disc is provided with central gear by key; Described Y type stator upper end is provided with projection, is provided with a ball bearing in the middle part of projection, ball bearing has that load bearing performance is good, in rotation process little, the friction of frictional resistance produce the advantages such as temperature low and life-span is long; A described ball bearing is provided with driving shaft; Described driving shaft bottom is welded with handle, and people only need turning handle can be elevated positioning function by manual operation the utility model, easy and simple to handle; Described driving shaft top is connected by bearing with between fixed disc, and is provided with driven wheel by key in the middle part of driving shaft; Described driven wheel is meshed with central gear; Described Y type stator is evenly provided with three detent mechanisms along the central axis of central shaft; The top of described three detent mechanisms is connected with mobile disk respectively by three rolling bearing units, three detent mechanisms are 3 synchronous drive mechanisms, 3 mathematics geometrical principles determining a plane are used, thus can guarantee that the Distance geometry between fixed disc and mobile disk is parallel, and three detent mechanisms are all connected with central gear, drive three detent mechanism work by central gear simultaneously, can realize realizing high-precision lifting positioning function; Be connected by gap fiting mode with between central shaft in the middle part of described mobile disk.
As a kind of optimal technical scheme of the present utility model, described detent mechanism is arranged on No. two ball bearings on Y type stator, No. two ball bearings have that load bearing performance is good, in rotation process little, the friction of frictional resistance produce the advantages such as temperature low and life-span is long; Described No. two ball bearing inside are provided with hollow shaft; Described hollow shaft inside is provided with internal thread, and the internal thread of hollow shaft is provided with leading screw; Described leading screw is connected with rolling bearing units through the locating hole on fixed disc; Described hollow shaft is connected with travelling gear by key; Described travelling gear is meshed with central gear, because three travelling gears on three detent mechanisms all match with central gear, thus three leading screws on three detent mechanisms are parallel to each other, and fixed disc and mobile disk also remain on parastate always.
As a kind of optimal technical scheme of the present utility model, the central axis of described fixed disc and central shaft overlaps, ensure that axiality, improve operating efficiency, further reduce the probability that heeling condition appears in tea table in the utility model motion process.
As a kind of optimal technical scheme of the present utility model, the angle that the central axis of described adjacent two travelling gears is formed relative to the central axis of central gear is all identical, the angle that the central axis of adjacent two travelling gears is formed relative to the central axis of central gear is 120 degree, be equivalent to the equilateral triangle in mathematics, utilize 3 principles determining a geometrical plane, three travelling gears fully ensure that the being parallel to each other property of three leading screws and the collimation of fixed disc and mobile disk.
During work, first the mobile disk on the utility model is arranged on existing tea table, when existing tea table height need be increased, people's manual rotation handle, handle drives driving shaft to rotate at a ball bearing, driving shaft drives driven wheel to rotate, because driven wheel is meshed with central gear, driven wheel drives central gear to rotate, central gear rotates on center shaft, because three travelling gears on three detent mechanisms are meshed, each travelling gear drives again corresponding hollow shaft to rotate simultaneously, due to the internal thread of hollow shaft being provided with leading screw, and hollow shaft is arranged on No. two ball bearing inside, thus hollow shaft is rotated on the one hand on No. two ball bearings, each hollow shaft drives again corresponding leading screw to move on the other hand, therefore, the motion of central gear has driven three leading screws be parallel to each other simultaneously, also ensure that mobile disk can move in parallel above fixed disc, and the distance moved in parallel is controlled, in motion process, balance quality is good, altitude location performance is good, solve existing single-point driving mechanism can bring slight inclination and cause tea to overflow the difficult problem of coming in lifting process.
The beneficial effects of the utility model are: the utility model compared to existing technology, to make use of in mathematics the principle that determine a geometrical plane at 3, ensure that three rhizoid thick sticks keep the state be parallel to each other in motion process, and ensure that the state of mobile disk and fixed disc keeping parallelism, thus accurately ensure that under the drive of three screw synchronous mobile disk moves in parallel distance relative to fixed disc, solve existing single-point driving mechanism can bring slight inclination and cause tea to overflow the difficult problem of coming in lifting process, there is features simple structure, easy and simple to handle, in motion process, balance quality is good, good and the operating efficiency advantages of higher of altitude location performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is full sectional view of the present utility model;
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
Specific embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined with each other.
As shown in Figure 1 to Figure 3, a kind of three interlock lifting-positioning devices for lift location tea table, comprise fixed disc 1; Described fixed disc 1 is evenly provided with three locating holes along the central axis of fixed disc 1, and fixed disc 1 lower end is evenly provided with three pairs of joint pins 2 along the central axis of fixed disc 1; Described three pairs of joint pin 2 lower ends are welded with Y type stator 3, are fixed on fixed disc 1 by three pairs of joint pins 2 by Y type stator; Central shaft 4 is connected with by bearing in the middle part of described Y type stator 3; Described central shaft 4 is connected by bearing with between fixed disc 1, and central shaft 4 between Y type stator 3 and fixed disc 1 is provided with central gear 5 by key; Described Y type stator 3 upper end is provided with projection 3a, is provided with a ball bearing 3b in the middle part of projection 3a, ball bearing 3b has that load bearing performance is good, in rotation process little, the friction of frictional resistance produce the advantages such as temperature low and life-span is long; A described ball bearing 3b is provided with driving shaft 6; Described driving shaft 6 bottom is welded with handle 7, and people only need turning handle 7 can be elevated positioning function by manual operation the utility model, easy and simple to handle; Described driving shaft 6 top is connected by bearing with between fixed disc 1, and is provided with driven wheel 8 by key in the middle part of driving shaft 6; Described driven wheel 8 is meshed with central gear 5; Described Y type stator 3 is evenly provided with three detent mechanisms 9 along the central axis of central shaft 4; The top of described three detent mechanisms 9 is connected with mobile disk 11 respectively by three rolling bearing units 10, three detent mechanisms 9 are 3 synchronous drive mechanisms, 3 mathematics geometrical principles determining a plane are used, thus can guarantee that the Distance geometry between fixed disc 1 and mobile disk 11 is parallel, and three detent mechanisms 9 are all connected with central gear 5, drive three detent mechanisms 9 to work by central gear 5 simultaneously, can realize realizing high-precision lifting positioning function; Be connected by gap fiting mode with between central shaft 4 in the middle part of described mobile disk 11.
As a kind of optimal technical scheme of the present utility model, described detent mechanism 9 is arranged on No. two ball bearing 9a on Y type stator 3, No. two ball bearing 9a have that load bearing performance is good, in rotation process little, the friction of frictional resistance produce the advantages such as temperature low and life-span is long; Described No. two ball bearing 9a inside are provided with hollow shaft 9b; Described hollow shaft 9b inside is provided with internal thread, the internal thread of hollow shaft 9b is provided with leading screw 9c; Described leading screw 9c is connected with rolling bearing units 10 through the locating hole on fixed disc 1; Described hollow shaft 9b is connected with travelling gear 9d by key; Described travelling gear 9d is meshed with central gear 5, because three travelling gear 9d on three detent mechanisms 9 all match with central gear 5, thus three leading screw 9c on three detent mechanisms 9 are parallel to each other, and fixed disc 1 and mobile disk 11 also remain on parastate always.
As a kind of optimal technical scheme of the present utility model, described fixed disc 1 and the central axis both central shaft 4 overlap, ensure that axiality, improve operating efficiency, further reduce the probability that heeling condition appears in tea table in the utility model motion process.
As a kind of optimal technical scheme of the present utility model, the angle that the central axis of described adjacent two travelling gear 9d is formed relative to the central axis of central gear 5 is all identical, the angle that the central axis of adjacent two travelling gear 9d is formed relative to the central axis of central gear 5 is 120 degree, be equivalent to the equilateral triangle in mathematics, utilize 3 principles determining a geometrical plane, three travelling gear 9d fully ensure that the being parallel to each other property of three leading screw 9c and the collimation of fixed disc 1 and mobile disk 11.
During work, first the mobile disk on the utility model is arranged on existing tea table, when existing tea table height need be increased, people's manual rotation handle 7, handle 7 drives driving shaft 6 to rotate at a ball bearing 3b, driving shaft 6 drives driven wheel 8 to rotate, because driven wheel 8 is meshed with central gear 5, driven wheel 8 drives central gear 5 to rotate, central gear 5 rotates on central shaft 4, because three travelling gear 9d on three detent mechanisms 9 are meshed, each travelling gear 9d drives again corresponding hollow shaft 9b to rotate simultaneously, due to the internal thread of hollow shaft 9b being provided with leading screw 9c, and hollow shaft 9b is arranged on No. two ball bearing 9a inside, thus hollow shaft 9b mono-aspect is rotated on No. two ball bearing 9a, each hollow shaft 9b drives again corresponding leading screw 9c to move on the other hand, therefore, the leading screw 9c that the motion of central gear 5 has driven three to be parallel to each other simultaneously, also ensure that mobile disk 11 can move in parallel above fixed disc 1, and the distance moved in parallel is controlled, in motion process, balance quality is good, altitude location performance is good, solve existing single-point driving mechanism can bring slight inclination and cause tea to overflow the difficult problem of coming in lifting process, reach object.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; description in above-described embodiment and description principle of the present utility model is just described; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1., for three interlock lifting-positioning devices of lift location tea table, it is characterized in that: comprise fixed disc (1); Described fixed disc (1) is evenly provided with three locating holes along the central axis of fixed disc (1), and fixed disc (1) lower end is evenly provided with three pairs of joint pins (2) along the central axis of fixed disc (1); Described three pairs of joint pin (2) lower ends are welded with Y type stator (3); Described Y type stator (3) middle part is connected with central shaft (4) by bearing; Be connected by bearing between described central shaft (4) with fixed disc (1), and be positioned on the central shaft (4) between Y type stator (3) and fixed disc (1), by key, central gear (5) be installed; Described Y type stator (3) upper end is provided with projection (3a), and projection (3a) middle part is provided with a ball bearing (3b); A described ball bearing (3b) is provided with driving shaft (6); Described driving shaft (6) bottom is welded with handle (7); Be connected by bearing between described driving shaft (6) top with fixed disc (1), and driving shaft (6) middle part is provided with driven wheel (8) by key; Described driven wheel (8) is meshed with central gear (5); Described Y type stator (3) is evenly provided with three detent mechanisms (9) along the central axis of central shaft (4); The top of described three detent mechanisms (9) is connected with mobile disk (11) respectively by three rolling bearing units (10), and three detent mechanisms (9) are all connected with central gear (5); Described mobile disk (11) middle part is connected by gap fiting mode with between central shaft (4);
Described detent mechanism (9) is arranged on No. two ball bearings (9a) on Y type stator (3); Described No. two ball bearing (9a) inside are provided with hollow shaft (9b); Described hollow shaft (9b) inside is provided with internal thread, the internal thread of hollow shaft (9b) is provided with leading screw (9c); Described leading screw (9c) is connected with rolling bearing units (10) through the locating hole on fixed disc (1); Described hollow shaft (9b) is connected with travelling gear (9d) by key; Described travelling gear (9d) is meshed with central gear (5).
2. a kind of three interlock lifting-positioning devices for lift location tea table according to claim 1, is characterized in that: described fixed disc (1) and central shaft (4) both central axis overlap.
3. a kind of three interlock lifting-positioning devices for lift location tea table according to claim 1 and 2, is characterized in that: the angle that the central axis of described adjacent two travelling gears (9d) is formed relative to the central axis of central gear (5) is all identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424764.3U CN204764096U (en) | 2015-06-18 | 2015-06-18 | A three linkage lift positioner for over -and -under type location tea table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424764.3U CN204764096U (en) | 2015-06-18 | 2015-06-18 | A three linkage lift positioner for over -and -under type location tea table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204764096U true CN204764096U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424764.3U Expired - Fee Related CN204764096U (en) | 2015-06-18 | 2015-06-18 | A three linkage lift positioner for over -and -under type location tea table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204764096U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939506A (en) * | 2015-06-18 | 2015-09-30 | 安庆联泰电子科技有限公司 | Three-linkage lifting locating device for lifting and locating tea table |
| CN107225698A (en) * | 2015-11-19 | 2017-10-03 | 付瑞兰 | Electronic sheet cutting machine |
-
2015
- 2015-06-18 CN CN201520424764.3U patent/CN204764096U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939506A (en) * | 2015-06-18 | 2015-09-30 | 安庆联泰电子科技有限公司 | Three-linkage lifting locating device for lifting and locating tea table |
| CN107225698A (en) * | 2015-11-19 | 2017-10-03 | 付瑞兰 | Electronic sheet cutting machine |
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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: 20151118 Termination date: 20160618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |