CN209807435U

CN209807435U - Lifting table with hand-cranking lifting structure

Info

Publication number: CN209807435U
Application number: CN201920149381.8U
Authority: CN
Inventors: 胡正
Original assignee: Hangzhou Qi Jian Science And Technology Ltd
Current assignee: Hangzhou Qi Jian Science And Technology Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-20
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses a lift table with hand elevation structure, including base and connecting rod, the top of base is connected with the dead lever, and the inside of dead lever is provided with the sliding tray, for the welding between base and the dead lever, and be stamping forming between dead lever and the sliding tray, the top of connecting rod is fixed with the protective housing, and the connecting rod is located the inside of sliding tray, settle in the inside of protective housing has elevating system, the right side of protective housing is connected with slewing mechanism. This lift table with hand elevation structure, be convenient for adjust, the effort that consumes during the lift is little, and adjustment mechanism can not drop from the hand easily when adjusting, exerts the effort through the handle countershaft, and anti-skidding line has promoted the frictional force of handle with user's hand, makes the handle can not drop from user's hand easily, and convenient to use person controls the countershaft, and the rotation of pivot drives change gear and rotates to adjust the lift of lift table.

Description

Lifting table with hand-cranking lifting structure

Technical Field

The utility model relates to a lift table technical field specifically is a lift table with hand elevation structure.

Background

The table is common furniture, the upper part of the table is provided with a plane, the lower part of the table is provided with a support column, objects, things, meals, writing, working and the like can be placed on the table, the table is fixed by smooth flat plates, legs and other supports, in order to meet the requirements of the public, the types of the table are rich and diverse, the lifting table is one of the tables, the lifting table is used in a large number in European and American countries, the domestic environment is gradually recognized and starts to be widely applied, and the lifting table has the value of helping office people to take a long-time sitting and realizing standing type office work.

However, the existing lifting table is not convenient to adjust, much time is consumed when the lifting table is lifted, great acting force is consumed when the lifting table is lifted, the lifting table is troublesome, the adjusting mechanism is easy to fall off from the hand of a user when the lifting table is adjusted, and a great deal of energy is consumed when the adjusting mechanism is adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift table with hand elevation structure to it is not convenient for adjust to provide current lift table in the above-mentioned background art to solve, need expend more time when going up and down, need expend great effort when going up and down to the lift table, and is more troublesome, and adjustment mechanism drops from user's hand easily when adjusting to the lift table, need consume the problem of a large amount of efforts when leading to adjusting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lift table with hand elevation structure, includes base and connecting rod, the top of base is connected with the dead lever, and the inside of dead lever is provided with the sliding tray, for the welding between base and the dead lever, and be stamping forming between dead lever and the sliding tray, the top of connecting rod is fixed with the protective housing, and the connecting rod is located the inside of sliding tray, the inside arrangement of protective housing has elevating system, and the top of protective housing is provided with the mounting panel, the right side of protective housing is connected with slewing mechanism.

Preferably, the base is perpendicular to the fixing rod, the vertical center lines of the connecting rod and the fixing rod are overlapped, and the connecting rod and the fixing rod form a sliding lifting structure through the sliding groove.

Preferably, elevating system includes change gear, first toothed disc, inner circle, chain, second toothed disc and rack, and change gear's right side is connected with first toothed disc, the front end fixed surface of first toothed disc has the inner circle, and the below of inner circle is connected with the chain, the second toothed disc is installed to the bottom of chain, and the right side of second toothed disc is connected with the rack.

Preferably, the direction changing gear is meshed with the first gear disc, the first gear disc and the second gear disc form a chain transmission structure through matching between the inner ring and the chain, and the connecting rod and the sliding groove form a gear transmission structure through matching between the second gear disc and the rack.

Preferably, slewing mechanism includes pivot, fixed plate, handle and anti-skidding line, and the outside of pivot is settled there is the fixed plate to the right-hand member of pivot is connected with the handle, and the outside surface of handle is provided with anti-skidding line moreover.

Preferably, the pivot is connected through rotating between fixed plate and the change gear, and for stamping forming between handle and the pivot to the handle passes through anti-skidding line constitution coarse structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of base, dead lever, connecting rod, mounting panel and sliding tray, the base provides the support to the lift table, and is symmetrical about the vertical central line of lift table between the base, and the dead lever fixes the position of mounting panel with the connecting rod, can fix suitable desktop through mounting panel and screw, adjusts the position of mounting panel in the vertical direction through the removal of connecting rod in the sliding tray to adjust the height of lift table, make the lift table can help the office crowd take a long time to sit, realize standing type official working;

2. the utility model discloses a setting of diversion gear, first toothed disc, the inner circle, chain and second toothed disc, through diversion gear's rotation, drive first toothed disc and rotate, the rotation of first toothed disc drives the inner circle and rotates, thereby make the inner circle drive the second toothed disc through the chain and rotate, the second toothed disc takes place to rotate the effect through the rack and drives the connecting rod and carry out the ascending removal in vertical direction in the sliding tray, the chain drive has inelasticity slip and the phenomenon of skidding, the average transmission ratio is accurate, reliable operation, high efficiency, transmission power is big, overload capacity is strong, the characteristics that the transmission size under the same operating mode is little, do not need to consume too big effort when making first toothed disc drive the rotation of second toothed disc through the chain;

3. the utility model discloses a setting of handle, pivot and anti-skidding line, through the handle effort of applying to the pivot, anti-skidding line has promoted the frictional force of handle with user's hand, makes the handle can not drop easily from user's hand, and convenient to use person controls the pivot, and the rotation of pivot drives the change gear and rotates to adjust the lift of lift table.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the internal structure of the fixing rod of the present invention.

In the figure: 1. a base; 2. fixing the rod; 3. a sliding groove; 4. a connecting rod; 5. a protective shell; 6. a lifting mechanism; 601. a change gear; 602. a first gear plate; 603. an inner ring; 604. a chain; 605. a second gear wheel disc; 606. a rack; 7. mounting a plate; 8. a rotating mechanism; 801. a rotating shaft; 802. a fixing plate; 803. a handle; 804. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lifting table with a hand-operated lifting structure comprises a base 1 and a connecting rod 4, wherein a fixed rod 2 is connected above the base 1, a sliding groove 3 is formed in the fixed rod 2, the base 1 and the fixed rod 2 are welded, stamping forming is performed between the fixed rod 2 and the sliding groove 3, a protective shell 5 is fixed above the connecting rod 4, the connecting rod 4 is positioned in the sliding groove 3, the base 1 and the fixed rod 2 are perpendicular, the vertical central lines between the connecting rod 4 and the fixed rod 2 are overlapped, the connecting rod 4 forms the sliding lifting structure through the sliding groove 3 and the fixed rod 2, the base 1 supports the lifting table, the base 1 is symmetrical about the vertical central line of the lifting table, the fixed rod 2 and the connecting rod 4 fix the position of a mounting plate 7, and a proper table top can be fixed through the mounting plate 7 and screws, the position of the mounting plate 7 in the vertical direction is adjusted through the movement of the connecting rod 4 in the sliding groove 3, so that the height of the lifting table is adjusted, and the lifting table can help office people to take a long-time seat and realize standing type office;

a lifting mechanism 6 is arranged in the protective shell 5, a mounting plate 7 is arranged above the protective shell 5, the lifting mechanism 6 comprises a change gear 601, a first gear disc 602, an inner ring 603, a chain 604, a second gear disc 605 and a rack 606, the right side of the change gear 601 is connected with the first gear disc 602, the front end surface of the first gear disc 602 is fixed with the inner ring 603, the chain 604 is connected below the inner ring 603, the bottom end of the chain 604 is provided with the second gear disc 605, the right side of the second gear disc 605 is connected with the rack 606, the change gear 601 is meshed with the first gear disc 602, the first gear disc 602 and the second gear disc 605 form a chain transmission structure through the matching between the inner ring 603 and the chain 604, the connecting rod 4 and the sliding groove 3 form a gear transmission structure through the matching between the second gear disc 605 and the rack 606, and through the rotation of the change gear 601, the first gear disc 602 is driven to rotate, the inner ring 603 is driven to rotate by the rotation of the first gear disc 602, so that the inner ring 603 drives the second gear disc 605 to rotate through the chain 604, the connecting rod 4 is driven to move in the sliding groove 3 in the vertical direction through the action of the rack 606 after the second gear disc 605 rotates, the chain transmission has the characteristics of no elastic sliding and slipping phenomena, the average transmission ratio is accurate, the work is reliable, the efficiency is high, the transmission power is high, the overload capacity is high, and the transmission size under the same working condition is small, so that the excessive acting force does not need to be consumed when the first gear disc 602 drives the second gear disc 605 to rotate through the chain 604, the right side of the protective shell 5 is connected with a rotating mechanism 8, the rotating mechanism 8 comprises a rotating shaft 801, a fixing plate 802, a handle 803 and an anti-slip thread 804, the fixing plate 802 is arranged outside the rotating shaft 801, and, and the outside surface of handle 803 is provided with anti-skidding line 804, pivot 801 rotates between fixed plate 802 and change gear 601 to be connected, and for stamping forming between handle 803 and the pivot 801, and handle 803 passes through anti-skidding line 804 and constitutes coarse structure, exert the effort to pivot 801 through handle 803, anti-skidding line 804 has promoted the frictional force of handle 803 with user's hand, make handle 803 can not be easily drop from user's hand, convenient to use person controls pivot 801, the rotation of pivot 801 drives change gear 601 and rotates, thereby adjust the lift of lift table.

The working principle is as follows: for the lifting table, the lifting table is firstly placed at a proper position and is stably placed, the base 1 supports the lifting table, the bases 1 are symmetrical about the vertical central line of the lifting table, the fixing rod 2 and the connecting rod 4 fix the position of the mounting plate 7, the mounting plate 7 and screws can fix a proper table top, an acting force is applied to the rotating shaft 801 through the handle 803, the rotating shaft 801 rotates to drive the change gear 601 to rotate, the first gear disc 602 rotates through the rotation of the change gear 601, the inner ring 603 is driven to rotate through the rotation of the first gear disc 602, so that the inner ring 603 drives the second gear disc 605 to rotate through the chain 604, the connecting rod 4 is driven to move in the vertical direction in the sliding groove 3 through the action of the rack 606 after the second gear disc 605 rotates, the position of the mounting plate 7 in the vertical direction is adjusted through the movement of the connecting rod 4 in the sliding groove 3, therefore, the height of the lifting table is adjusted, so that the lifting table can help office people stand for a long time to sit, and standing office is realized;

the anti-slip threads 804 improve the friction force between the handle 803 and the hand of the user, so that the handle 803 cannot easily fall off from the hand of the user, the user can conveniently control the rotating shaft 801, the chain transmission has the advantages of no elastic slip and slip, accurate average transmission ratio, reliable work, high efficiency, large transmission power, strong overload capacity and small transmission size under the same working condition, and the first gear disc 602 does not need to consume too large acting force when driving the second gear disc 605 to rotate through the chain 604, so that the use process of the whole lifting table is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lift table with hand elevation structure, includes base (1) and connecting rod (4), its characterized in that: the top of base (1) is connected with dead lever (2), and the inside of dead lever (2) is provided with sliding tray (3), be the welding between base (1) and dead lever (2), and be stamping forming between dead lever (2) and sliding tray (3), the top of connecting rod (4) is fixed with protective housing (5), and connecting rod (4) are located the inside of sliding tray (3), settle the inside of protective housing (5) has elevating system (6), and the top of protective housing (5) is provided with mounting panel (7), the right side of protective housing (5) is connected with slewing mechanism (8).

2. A lifting table with hand-operated lifting structure as claimed in claim 1, wherein: the base (1) is perpendicular to the fixing rod (2), the connecting rod (4) is overlapped with the vertical central line between the fixing rod (2), and the connecting rod (4) forms a sliding lifting structure with the fixing rod (2) through the sliding groove (3).

3. A lifting table with hand-operated lifting structure as claimed in claim 1, wherein: elevating system (6) are including change gear (601), first toothed disc (602), inner circle (603), chain (604), second toothed disc (605) and rack (606), and the right side of change gear (601) is connected with first toothed disc (602), the front end fixed surface of first toothed disc (602) has inner circle (603), and the below of inner circle (603) is connected with chain (604), second toothed disc (605) are installed to the bottom of chain (604), and the right side of second toothed disc (605) is connected with rack (606).

4. A lifting table with hand-operated lifting structure as claimed in claim 3, wherein: the direction changing gear (601) is meshed with the first gear disc (602), the first gear disc (602) and the second gear disc (605) form a chain transmission structure through the matching between the inner ring (603) and the chain (604), and the connecting rod (4) and the sliding groove (3) form a gear transmission structure through the matching between the second gear disc (605) and the rack (606).

5. A lifting table with hand-operated lifting structure as claimed in claim 1, wherein: the rotating mechanism (8) comprises a rotating shaft (801), a fixing plate (802), a handle (803) and anti-skid grains (804), the fixing plate (802) is arranged outside the rotating shaft (801), the handle (803) is connected to the right end of the rotating shaft (801), and the anti-skid grains (804) are arranged on the outer surface of the handle (803).

6. A lifting table with hand-operated lifting structure as claimed in claim 5, wherein: the rotating shaft (801) is rotatably connected with the change gear (601) through the fixing plate (802), the handle (803) and the rotating shaft (801) are formed in a stamping mode, and the handle (803) forms a rough structure through the anti-slip grains (804).