CN209711980U - A kind of lifting table - Google Patents

Abstract

The utility model relates to a kind of lifting tables, it mainly solves the adjusting low efficiency of lifting desk in the prior art, the problem of poor reliability, including desk ontology, the desk ontology includes bracket, two table legs and desktop, two table legs include outer tube and inner tube, the outer tube sleeve is set to outside inner tube, and it opposite can slide, the upper end of the outer tube is fixedly connected with bracket, the lower end of said inner tube is fixedly installed support portion, ball screw is provided in said inner tube, its lower end is fixedly connected with support portion, it is located at the pelota regulating device that desk with adjustable leg length is provided at left and right sides of desk ontology on the bracket, the output end transmission connection of the pelota regulating device is provided with the first transmission device, the output end of first transmission device is connect with ball leading screw driving, it is provided on the bracket so that two The attachment device that first transmission device moves synchronously.

Description

A kind of lifting table

Technical field

The utility model relates to a kind of lifting tables.

Background technique

Desk is a kind of common life furniture, above there is plane, under have pillar, thing can be put above, does work, eat Meal writes, works；Existing desk is divided into different models currently on the market, for selecting height different according to demand Desk, some desks in order to meet the needs of more users for table leg are arranged to that the table leg of shortening can be extended, but such The general stretching structure of desk is not secured enough, causes desk astasia when elongation fixed, therefore in order to meet more use Demand of the family to the desk of different height needs further improve and perfect desk.

China Patent No.: 201720200017.0 disclose a kind of manual hoisting device of desk, including hand-operated lifting dress Set ontology；The manual hoisting device ontology is by handle, sprocket wheel A, sprocket wheel B, chain, screw rod, feed screw nut, connecting rod, chain Take turns C composition；Wherein handle is connected with one end of sprocket wheel A, and sprocket wheel A is fixed on stand and side plate by bearing, and sprocket wheel A passes through chain Item is connect with driven sprocket B, and the sprocket wheel B other end is connected with rotary shaft by screw, the phase of the other end and gear-box of rotary shaft Even, the output end of gear-box is connect with screw rod, and screw rod is threadedly coupled with feed screw nut, and feed screw nut and lower leg are solid by screw Fixed, gear-box is screwed with upper leg；The sprocket wheel B is connected by connecting rod with sprocket wheel C, synchronous to drive an other side table Leg lifting.The lifting device is rotated forward by handle, screw rod rotation, and since nut and lower leg are fixed, screw rod can generate phase with nut To movement, screw rod and gear-box are fixed with upper leg, and desktop is screwed with side plate, and side plate is screwed with upper leg, Desktop will be generated and be moved upwards；When handle reversion, corresponding descending motion will be generated, structure is simple, operation side Just, the stability of desk is not influenced when raising；But by handle rotation be adjusted, adjust low efficiency, need apply compared with Big adjusting force is adjusted difficult.

China Patent No.: 201810700796.X discloses a kind of intelligent elevated table device, arranged side by side including two Lifting table leg, the braced frame for being connected to two lifting table leg tops, the desktop being set up in braced frame and control lifting The controller of table leg movement；Each lifting table leg includes the pedestal set gradually from top to bottom, lower supporting leg and upper supporting leg, bottom Seat is fixedly connected with lower supporting leg, and lower supporting leg is placed on outside supporting leg and is flexibly connected in the vertical direction with upper supporting leg, Equipped with servo motor and the lead screw connecting with servo motor transmission in lower supporting leg, upper supporting leg bottom is equipped with and lead screw phase The lifting nut matched, two servo motors gone up and down in table legs are connect with controller communication, and same under the control of the controller Step movement.The desk is same by the way that servo motor and lead screw is respectively set in two lifting table legs, and under the control of the controller Step movement, one simplifies structure, so that desk is lighter succinct, it will not be so inflexible too fat to move as traditional desk；Two The reliability for improving desktop lifting is avoided and is gone up and down difficulty as caused by load imbalance on desktop；But use two Servo motor is driven, and input cost is big, and the synchronism for controlling two servo motors wants high, when one of damage, is needed To stop repairing in time.

Utility model content

Therefore, for above-mentioned problem, the utility model provides a kind of lifting table, it mainly solves the prior art The problem of adjusting low efficiency of middle lifting desk, poor reliability.

To achieve the above object, the utility model uses following technical scheme:

A kind of lifting table, including desk ontology, the desk ontology include bracket, set on the lower part of bracket for branch It supports two table legs of bracket and on bracket for placing the desktop of thing, there is the length along desktop due to desk ontology It is front-rear direction for left and right directions, along the width direction of desktop, along the length direction of table leg is up and down direction, defines desk ontology With being outer end close to user one end, far from user one end be inner end, two table legs include outer tube and inner tube, described Outer tube sleeve is set to outside inner tube, and opposite can be slided, and the upper end of the outer tube is fixedly connected with bracket, and the lower end of said inner tube is solid Surely it is provided with support portion, ball screw is provided in said inner tube, lower end is fixedly connected with support portion, is located on the bracket Be provided with the pelota regulating device of desk with adjustable leg length at left and right sides of desk ontology, the pelota regulating device it is defeated Outlet transmission connection is provided with the first transmission device, and the output end of first transmission device is connect with ball leading screw driving, institute State the attachment device being provided on bracket so that two first transmission devices move synchronously.

Further, the pelota regulating device includes left shell, right shell body, spring positioning piece, T shape limited block, rope Sub-transmission returns power elastic slice, rope locating piece and knob, and the left shell and right shell body are removably fastened and connected, the left side Its side is provided with an opening being pierced by for rope under shell and right shell body buckling state, and the knob is arranged in left shell and the right side It is located at opening on shell, the spring positioning piece, rope speed changer are set gradually from left to right and buckle in left shell and right shell body Conjunction is formed by cavity, is provided with the toroidal shell passed through for shaft in the middle part of the spring positioning piece, toroidal shell Extend respectively to both ends and be pierced by left shell and right shell body, elastic slice locating piece is provided on the right shell body, extends to rope change In fast device, described time power elastic slice is arranged in rope speed changer, and one end of which is fixed on elastic force locating piece, the other end is fixed on rope On sub-transmission, the circumferential outer surface of the rope speed changer is provided with the groove for winding rope, the rope is fixed It between position part setting and groove and opening, and is fixed on right shell body, close to the one of spring positioning piece on the rope speed changer Locating slot is concaved on side, the locating slot week is along the positioning for forming the distribution of several circular arrays with rope speed changer Convex block, the T shape locating piece are arranged in locating slot for being clamped to form directional rotating with locating convex block, the T shape locating piece It is clamped with spring positioning piece.

Further, the first driving motor for being drivingly connected device transmission is provided on the bracket.

Further, the desktop includes the placement section being separated from each other and work department, and the placement section is fixed at branch On frame, the outer end of the bracket is provided with swing rod along the left and right directions of desk ontology, and the outer end of the work department is connect with swing rod Realize that front-rear direction is swung, the lower end surface of the work department is resisted against on bracket.

Further, the driving device that driving work department is swung is provided on the bracket, the driving device includes setting Set the second driving motor and the second transmission device on bracket, the output end and the second transmission device of second driving motor Input terminal transmission connection, the output end of second transmission device and the inner end of work department are hinged.

By using preceding solution, the beneficial effects of the utility model are: this lifting table, by using bracket Upper one of pelota regulating device adjusts the length of table leg, to realize the transformation of desktop horizontal position, pelota is adjusted The working principle of device: connecting by wearing shaft in toroidal shell, and by shaft with the first transmission device, is restricted by pulling Son, so that rope speed changer follows rotation, because one end for returning power elastic slice in rope speed changer is fixed at elastic force locating piece On, so that returning power elastic slice carries out rotation compression, T shape limited block is set, one end is resisted against in the locating slot on rope speed changer On the inclined surface of locating convex block, the other end is caught on the arcwall face of locating convex block, and when so that rope speed changer rotating, spring is fixed Bit slice also and then rotates, so that the shaft on toroidal shell be driven to rotate, that is, drives first to pass while pulling rope The precision of the movement of dynamic device, adjusting is high, the pulling force on removal rope, and rope speed changer is reversed under the action of returning power elastic slice Movement, and because of the setting of locating convex block and T shape limited block makes T shape limited block be connected to spring positioning on piece, and rope speed changer It rotates backward and withdraws rope, improve working efficiency, it is easy to operate, by rolling on the first drive to ball screw Ballscrew realizes linear motion, slides so that the inner and outer tubes on table leg are opposite, realizes the lifting of table leg, and attachment device Setting, can be simultaneously as long as adjusting one of pelota regulating device so that the movement of two the first transmission devices is synchronous Adjust the length of two table legs, easy to adjust, high reliablity；Further, the first driving motor of setting is drivingly connected device Transmission is adjusted so that the driving of motorized reduces artificial power output, and it is electronic combined with manually so that its reliability is into one Step improves；Further, the second motor drives work department to swing by the second transmission device, so that work department is inclined to set, Be conducive to the desk jobs such as design picture, improve the application range of desk ontology.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model embodiment；

Fig. 2 is the schematic perspective view that covering on bracket is saved in the utility model embodiment；

Fig. 3 is the decomposition texture schematic diagram of pelota regulating device in the utility model embodiment.

Specific embodiment

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

The utility model embodiment are as follows:

With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of lifting table, including desk ontology 1, the desk ontology 1 include bracket 2, Two table legs 3 of bracket 2 are used to support and on bracket 2 for placing the desktop 4 of thing set on the lower part of bracket 2, it is fixed To have the length along desktop 4 in desk ontology 1 be left and right directions, along the width direction of desktop 4 is front-rear direction, along table leg 3 Length direction is up and down direction, and defining desk ontology 1 has in user one end is outer end, separate user one end is End, two table legs 3 include outer tube 31 and inner tube 32, and the outer tube 31 is sheathed on outside inner tube 32, and opposite can be slided, institute The upper end for stating outer tube 31 is fixedly connected with bracket 2, and the lower end of said inner tube 32 is fixedly installed support portion 5, in said inner tube 32 It is provided with ball screw 6, lower end is fixedly connected with support portion 5, and the left and right sides on the bracket 2 positioned at desk ontology 1 is equal It is provided with the pelota regulating device 7 for adjusting 3 length of table leg, the output end of the pelota regulating device 7, which is sequentially connected, to be arranged There is the first transmission device 8, (the first transmission device 8 is that orthogonal two biographies are arranged by the way that transmission case is arranged, and in transmission case Moving axis, by the way that the driving members such as worm gear mechanism, bevel gear are arranged on transmission shaft, so that two transmission shafts are sequentially connected in 90 degree, Perhaps two transmission shafts being arranged in transmission case, which are set in parallel, passes through connection by transmission shaft setting spur gear or two transmission shafts The connection transmission of axis device, first transmission device are the prior art), the output end and ball screw 6 of first transmission device 8 pass It is dynamic to connect, it is provided on the bracket 2 so that (attachment device of attachment device 9 that two first transmission devices 8 move synchronously 9 working principle is identical as the first transmission device 8, does not repeat excessively herein), it is provided on the bracket 2 and is drivingly connected device 9 First driving motor 10 of transmission.

In the present embodiment, the pelota regulating device 7 includes left shell 71, right shell body 72, spring positioning piece 73, T shape Limited block 74, rope speed changer 75 return power elastic slice, rope locating piece 77 and knob 78, and the left shell 71 and right shell body 72 can It is releasably fastened and connected, its side is provided with an opening being pierced by for rope under 72 buckling state of the left shell 71 and right shell body 11, the knob 78, which is arranged on left shell 71 and right shell body 72, to be located at opening 11, the spring positioning piece 73, rope speed change Device 75 is set gradually from left to right to be formed by cavity in left shell 71 and the fastening of right shell body 72, the spring positioning piece 73 Middle part is provided with the toroidal shell 12 passed through for shaft, and extending respectively to both ends for toroidal shell 12 is pierced by left shell 71 and the right side Shell 72 is provided with elastic slice locating piece 13 on the right shell body 72, extends in rope speed changer 75, described time power elastic slice is set It sets in rope speed changer 75, one end of which is fixed on elastic force locating piece 13, the other end is fixed on rope speed changer 75, is surround The circumferential outer surface of the rope speed changer 75 is provided with the groove 14 for winding rope, the setting of rope locating piece 77 with It between groove 14 and opening 11, and is fixed on right shell body 72, close to the one of spring positioning piece 73 on the rope speed changer 75 It is concaved with locating slot 15 on side, forms eight circular array distributions along with rope speed changer 75 within the locating slot 15 weeks Locating convex block 16, the T shape locating piece 74 are arranged in locating slot 15 for forming directional rotating with the clamping of locating convex block 16, institute It states T shape locating piece 74 and spring positioning piece 73 is clamped.

In the present embodiment, the desktop 4 includes the placement section 41 being separated from each other and work department 42, and the placement section 41 is fixed It is arranged on bracket 2, the outer end of the bracket 2 is provided with swing rod 43 along the left and right directions of desk ontology 1, the work department 42 Outer end is connect with swing rod 43 realizes that front-rear direction is swung, and the lower end surface of the work department 42 is resisted against on bracket 2, the bracket 2 On be provided with driving work department 42 swing driving device, the driving device include be arranged on bracket 2 second driving electricity (working principle of second transmission device 18 is identical as the first transmission device 8, not excessive herein for machine 17 and the second transmission device 18 Repeat), the input terminal transmission connection of the output end of second driving motor 17 and the second transmission device 18, second transmission The output end of device 18 and the inner end of work department 42 are hinged.

In the present embodiment, the upside that the inner end of the bracket 2 is located at desktop 4 is provided with bookshelf 19 and storage trough 20, described The outer end of bracket 2 is located at the downside of desktop 4 and bracket 2 is provided with pallet 21 in which can slide back and forth.

The working method of the utility model is: this lifting table, is adjusted by using pelota one of on bracket 2 Device 7 adjusts the length of table leg 3, thus realize the transformation of 4 horizontal position of desktop, the working principle of pelota regulating device 7: logical It crosses in toroidal shell 12 and wears shaft, and shaft is connect with the first transmission device 8, by pulling rope, so that rope speed change Device 75 follows rotation, because one end for returning power elastic slice in rope speed changer 75 is fixed on elastic force locating piece 13, so that returning Power elastic slice carries out rotation compression, T shape limited block 74 is arranged in the locating slot 15 on rope speed changer 75, one end is resisted against positioning On the inclined surface of convex block 16, the other end is caught on the arcwall face of locating convex block 16, when so that rope speed changer 75 rotating, spring Locating plate 73 also and then rotates, so that the shaft on toroidal shell 12 be driven to rotate, that is, drives while pulling rope The precision of the movement of first transmission device 8, adjusting is high, and the pulling force on removal rope, rope speed changer 75 is returning power elastic slice Lower counter motion is acted on, and because of the setting of locating convex block 16 and T shape limited block 74, T shape limited block 74 is made to be connected to spring positioning On piece 73, and rope speed changer 75 rotates backward and withdraws rope, improves working efficiency, easy to operate, fills by the first transmission It sets 8 to be transferred on ball screw 6, ball screw 6 realizes linear motion, so that the inner tube 32 and outer tube 31 on table leg 3 are relatively sliding It is dynamic, the lifting of table leg 3, and the setting of attachment device 9 are realized, so that the movement of two the first transmission devices 8 is synchronous, as long as adjusting One of pelota regulating device 7 is saved, the length of two table legs 3, easy to adjust, high reliablity can be adjusted simultaneously；Setting The first driving motor 10 be drivingly connected device 9 and be driven adjusted so that the driving of motorized reduces artificial power output, and electronic It is combined with manually, so that its reliability further increases；Second motor 17 drives work department 42 by the second transmission device 18 It swings, so that work department 42 is inclined to set, is conducive to the desk jobs such as design picture, improves the application range of desk ontology 1.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (5)

1. a kind of lifting table, including desk ontology, the desk ontology includes bracket, is used to support set on the lower part of bracket Two table legs of bracket and the desktop for being used to place thing on bracket, it is characterised in that: there is edge due to desk ontology The length of desktop is left and right directions, along the width direction of desktop is front-rear direction, along the length direction of table leg is up and down direction, fixed Adopted desk ontology have close to user one end be outer end, far from user one end be inner end, two table legs include outer tube And inner tube, the outer tube sleeve are set to outside inner tube, and opposite can be slided, the upper end of the outer tube is fixedly connected with bracket, described The lower end of inner tube is fixedly installed support portion, and ball screw is provided in said inner tube, and lower end is fixedly connected with support portion, institute State the pelota regulating device for being located on bracket and being provided with desk with adjustable leg length at left and right sides of desk ontology, the pelota The output end transmission connection of regulating device is provided with the first transmission device, the output end and ball screw of first transmission device It is sequentially connected, is provided on the bracket so that the attachment device that two first transmission devices move synchronously.

2. lifting table according to claim 1, it is characterised in that: the pelota regulating device include left shell, Right shell body, spring positioning piece, T shape limited block, rope speed changer, return power elastic slice, rope locating piece and knob, the left shell and Right shell body is removably fastened and connected, its side is provided with one and is pierced by for rope under the left shell and right shell body buckling state Opening, the knob are arranged on left shell and right shell body positioned at opening, the spring positioning piece, rope speed changer from a left side to The right side is successively set on left shell and right shell body fastening is formed by cavity, is provided in the middle part of the spring positioning piece for shaft The toroidal shell passed through, extending respectively to both ends for toroidal shell are pierced by left shell and right shell body, are arranged on the right shell body There is elastic slice locating piece, extends in rope speed changer, described time power elastic slice is arranged in rope speed changer, one end of which is fixed on On elastic force locating piece, the other end is fixed on rope speed changer, and the circumferential outer surface setting around the rope speed changer is useful Between the groove of winding rope, the rope locating piece setting and groove and opening, and it is fixed on right shell body, the rope It is concaved with locating slot on the one side of spring positioning piece on speed changer, the locating slot week with rope speed changer along forming The locating convex block of several circular arrays distribution, the T shape locating piece are arranged in locating slot for being clamped with locating convex block Directional rotating is formed, the T shape locating piece and spring positioning piece are clamped.

3. lifting table according to claim 2, it is characterised in that: be provided on the bracket and be drivingly connected device biography The first dynamic driving motor.

4. according to claim 1 to lifting table described in 3 any claims, it is characterised in that: the desktop includes phase The placement section and work department mutually separated, the placement section are fixed on bracket, and the outer end of the bracket is along desk ontology Left and right directions is provided with swing rod, and the outer end of the work department is connect with swing rod realizes that front-rear direction is swung, under the work department End face is resisted against on bracket.

5. lifting table according to claim 4, it is characterised in that: be provided with driving work department on the bracket and swing Driving device, the driving device includes the second driving motor and the second transmission device being arranged on bracket, described second The transmission connection of the input terminal of the output end of driving motor and the second transmission device, the output end of second transmission device and work The inner end in portion is hinged.