CN213820279U

CN213820279U - PVC folding table convenient to height-adjusting

Info

Publication number: CN213820279U
Application number: CN202021437638.9U
Authority: CN
Inventors: 陈树东
Original assignee: Jiangsu Xinjiamei Furniture Co ltd
Current assignee: Jiangsu Xinjiamei Furniture Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-07-30
Anticipated expiration: 2030-07-21

Abstract

The utility model relates to a pvc technical field just discloses a pvc folding table convenient to height-adjusting, which comprises a motor, the top fixed mounting of motor has the connecting plate, the top of motor has the worm by pivot fixed connection and run through the connecting plate, the top fixed mounting of connecting plate has the backup pad that is located worm left and right sides quantity respectively and is four. This pvc folding table convenient to height-adjusting, through setting up the bull stick, dead lever and movable rod realize the free lift to pvc folding table, worm and worm wheel are the meshing, the worm wheel is fixed connection with the bull stick, the inside movable mounting of dead lever has the movable rod, the operation that drives the worm through the motor, the worm wheel that the worm drove the left and right sides rotates, the worm wheel can drive the dead lever luffing motion, the dead lever runs through the sleeve, can make the movable rod slide in the inside of dead lever all the time, thereby just driven the loop bar and gone up and down inside the sleeve, just reached the purpose of height-adjusting of being convenient for.

Description

PVC folding table convenient to height-adjusting

Technical Field

The utility model relates to a pvc technical field specifically is a pvc folding table convenient to height-adjusting.

Background

PVC is white powder with an amorphous structure, the branching degree is small, the relative density is about 1.4, the glass transition temperature is 77-90 ℃, decomposition starts at about 170 ℃, the stability to light and heat is poor, the PVC can be decomposed to generate hydrogen chloride at more than 100 ℃ or after long-time sunshine insolation, further the hydrogen chloride is automatically catalyzed and decomposed to cause color change, the physical and mechanical properties are also rapidly reduced, and a stabilizer must be added in practical application to improve the stability to heat and light.

The existing pvc folding table in the market is various in types, although the table can be folded, the height of the existing pvc folding table with the adjustable height is not convenient to adjust, the height of the existing pvc folding table with the adjustable height is fixed and cannot be adjusted according to actual conditions, and therefore the pvc folding table with the adjustable height is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a pvc folding table convenient to height-adjusting possesses advantages such as height-adjusting of being convenient for, has solved the problem that can not adjust at will.

(II) technical scheme

For the purpose of realizing the height-adjusting of being convenient for, the utility model provides a following technical scheme: a pvc folding table convenient for height adjustment comprises a motor, a connecting plate is fixedly mounted at the top of the motor, a worm fixedly connected through the connecting plate by a rotating shaft is arranged at the top of the motor, four supporting plates are fixedly mounted at the top of the connecting plate and respectively positioned at the left side and the right side of the worm, worm wheels positioned at the left side and the right side of the worm are movably mounted between the two supporting plates, rotating rods penetrating the supporting plates are fixedly mounted inside the worm wheels, fixed rods are fixedly mounted on the front surfaces and the rear surfaces of the two rotating rods, sleeves are movably mounted on the outer surfaces of the four fixed rods, first sliding grooves are formed in the left side and the right side of each sleeve, second sliding grooves are formed in the front sides and the rear sides of each sleeve, movable rods penetrating the first sliding grooves are movably mounted inside the fixed rods, sleeve rods positioned inside the sleeves and extending to the outside of the sleeves are fixedly mounted on the outer surfaces of the four movable rods, the top of the loop bar is fixedly provided with a table plate.

Preferably, the length of the connecting plate is not less than twice the length of the motor, and the length of the worm rod is greater than the diameter of the worm wheel.

Preferably, the worm is engaged with the worm wheel, and a part of the fixing rod located inside the sleeve is groove-shaped.

Preferably, the length of the fixed rod is larger than the distance between the worm wheel and the sleeve, and the rotating rod and the central point of the table plate are on the same horizontal line.

Preferably, the length of the first sliding groove and the second sliding groove is not less than two thirds of the length of the loop bar.

Preferably, the central points of the table plate and the worm are on the same horizontal line, and the length of the sleeve is equal to that of the sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a pvc folding table convenient to height-adjusting possesses following beneficial effect:

this pvc folding table convenient to height-adjusting, through setting up the bull stick, dead lever and movable rod realize the free lift to pvc folding table, worm and worm wheel are the meshing, the worm wheel is fixed connection with the bull stick, the inside movable mounting of dead lever has the movable rod, the operation that drives the worm through the motor, the worm wheel that the worm drove the left and right sides rotates, the worm wheel can drive the dead lever luffing motion, the dead lever runs through the sleeve, can make the movable rod slide in the inside of dead lever all the time, thereby just driven the loop bar and gone up and down inside the sleeve, just reached the purpose of height-adjusting of being convenient for.

Drawings

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

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

fig. 3 is an enlarged view of a position a in the structure diagram 1 of the present invention.

In the figure: the device comprises a motor 1, a connecting plate 2, a worm 3, a supporting plate 4, a worm wheel 5, a rotating rod 6, a fixed rod 7, a table plate 8, a sleeve 9, a first chute 10, a second chute 11, a movable rod 12 and a loop bar 13.

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, a pvc folding table convenient for height adjustment comprises a motor 1, a connecting plate 2 is fixedly installed at the top of the motor 1, the length of the connecting plate 2 is not less than twice of the length of the motor 1, the length of a worm 3 is greater than the diameter of a worm wheel 5, the top of the motor 1 is provided with the worm 3 which is fixedly connected through the connecting plate 2 by a rotating shaft, the worm 3 is meshed with the worm wheel 5, a part of a fixing rod 7 positioned inside a sleeve 9 is groove-shaped, the top of the connecting plate 2 is fixedly provided with four support plates 4 respectively positioned at the left side and the right side of the worm 3, the worm wheels 5 positioned at the left side and the right side of the worm 3 are movably installed between the two support plates 4, a rotating rod 6 penetrating through the support plates 4 is fixedly installed inside the worm wheel 5, the fixing rods 7 are fixedly installed on the front surface and the rear surface of the two rotating rods 6, the length of the fixing rod 7 is greater than the distance between the worm wheel 5 and the sleeve 9, the central point of bull stick 6 and table 8 is on same water flat line, the equal movable mounting of surface of four dead levers 7 has sleeve 9, first spout 10 has been seted up to sleeve 9's the left and right sides and second spout 11 has been seted up to both sides around and to first spout 10, the length of first spout 10 and second spout 11 is not less than two-thirds of loop bar 13 length, the inside movable mounting of dead lever 7 has movable rod 12 that runs through first spout 10, the equal fixed mounting of surface of four movable rod 12 has loop bar 13 that is located sleeve 9 inside and extends to sleeve 9 outside, the top fixed mounting of loop bar 13 has table 8, table 8 and the central point of worm 3 are on same water flat line, sleeve 9 equals with the length of loop bar 13.

In conclusion, this pvc folding table convenient to height-adjusting, through setting up bull stick 6, dead lever 7 and movable rod 12 realize the free lift to pvc folding table, worm 3 and worm wheel 5 are the meshing, worm wheel 5 is fixed connection with bull stick 6, the inside movable mounting of dead lever 7 has movable rod 12, drive the operation of worm 3 through motor 1, worm 3 drives the worm wheel 5 of the left and right sides and rotates, worm wheel 5 can drive dead lever 7 luffing motion, dead lever 7 runs through sleeve 9, can make movable rod 12 slide in the inside of dead lever 7 all the time, thereby just driven loop bar 13 and gone up and down in sleeve 9 inside, just reached the purpose of being convenient for height-adjusting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 pvc folding table convenient to height-adjusting, includes motor (1), its characterized in that: the top fixed mounting of motor (1) has connecting plate (2), the top of motor (1) has worm (3) by pivot fixed connection and run through connecting plate (2), the top fixed mounting of connecting plate (2) has backup pad (4) that are located worm (3) left and right sides quantity respectively and be four, two movable mounting has worm wheel (5) that are located the worm (3) left and right sides between backup pad (4), the inside fixed mounting of worm wheel (5) has bull stick (6) that runs through backup pad (4), two equal fixed mounting in surface has dead lever (7) around bull stick (6), four equal movable mounting of surface of dead lever (7) has sleeve (9), first spout (10) and second spout (11) have been seted up to the left and right sides of sleeve (9), the inside movable mounting of dead lever (7) has movable rod (12) that runs through first spout (10), four the equal fixed mounting in surface of movable rod (12) has loop bar (13) that is located inside sleeve (9) and extends to sleeve (9) outside, the top fixed mounting of loop bar (13) has table (8).

2. A pvc folding table with easy height adjustment according to claim 1, characterized in that: the length of the connecting plate (2) is not less than twice of the length of the motor (1), and the length of the worm (3) is greater than the diameter of the worm wheel (5).

3. A pvc folding table with easy height adjustment according to claim 1, characterized in that: the worm (3) is meshed with the worm wheel (5), and one part of the fixing rod (7) located inside the sleeve (9) is groove-shaped.

4. A pvc folding table with easy height adjustment according to claim 1, characterized in that: the length of the fixed rod (7) is larger than the distance between the worm wheel (5) and the sleeve (9), and the central points of the rotating rod (6) and the table plate (8) are on the same horizontal line.

5. A pvc folding table with easy height adjustment according to claim 1, characterized in that: the lengths of the first sliding chute (10) and the second sliding chute (11) are not less than two thirds of the length of the loop bar (13).

6. A pvc folding table with easy height adjustment according to claim 1, characterized in that: the central points of the table plate (8) and the worm (3) are on the same horizontal line, and the length of the sleeve (9) is equal to that of the sleeve rod (13).