CN219876494U - Manual controller of lifting table - Google Patents

Abstract

The utility model discloses a lifting table hand controller which comprises a shell assembly and a mounting bracket fixedly connected to the lower surface of a lifting table, wherein at least one pair of cambered surface connecting mechanisms are arranged between the mounting bracket and the shell assembly, and the shell assembly is rotationally connected with the mounting bracket through the cambered surface connecting mechanisms. According to the utility model, the installation support and the shell assembly are rotationally connected through the cambered surface connecting mechanism, so that independent shaft parts are omitted, channels for the shaft parts to pass through are avoided being formed on the shell and the installation support, the mould processing and manufacturing of the shell and the installation support are simpler, and the production and manufacturing cost is reduced.

Description

Manual controller of lifting table

Technical Field

The utility model relates to the technical field of hand controllers, in particular to a lifting table hand controller.

Background

The lifting table is a table capable of freely lifting and lowering, with the development of the age, the comfort level requirement of people on the working environment is continuously increased, the lifting table has become an emerging requirement of modern office work, and the intelligent is accompanied with the popularity of the functional office work, and the automatic control lifting table gradually replaces the manual lifting table. The performance of the hand controller as a switch for automatically controlling the lifting table directly influences the selection of the lifting table by a user.

Currently, the most commonly used hand controllers used on lifting tables are of two types, one is a key type, and the other is a toggle type. The toggle hand controller is popular because of visual and simple operation and easy implementation of blind operation. The shell and the installation unit of the existing toggle hand controller are mostly connected through shaft parts, and parts are more and complex in assembly, for example, patent application CN114899029A, CN209561263U. Taking CN114899029a as an example, as shown in fig. 1, there are the following technical drawbacks:

(1) The shell consists of an upper part 18 and a bottom part 20, a cylindrical channel 16 is arranged on the mounting unit 3', the shaft 17 is used as an independent part and connected with the shell after passing through the cylindrical channel 16 of the mounting unit 3, the number of parts is large, and the manufacturing cost is increased;

(2) The upper part 18 of the housing is provided on both sides with cylindrical holes 25, 25' for mounting the shaft 17 of the unit 3. When assembled, the shaft 17 is inserted into the cylindrical hole 25 from one side of the upper part 18, through the cylindrical passage 16 in the mounting unit 3 'and into the cylindrical hole 25' in the other side of the upper part 18, which is cumbersome in the assembly process, reducing the production efficiency;

(3) Since the mounting unit 3' needs to be provided with the cylindrical channel 16 and the two sides of the upper portion 18 need to be provided with the cylindrical holes 25 and 25', the die structure of the mounting unit 3' and the upper portion 18 is complex, the processing and manufacturing difficulties are high, and the cost is high.

Disclosure of Invention

The present utility model aims to at least solve the technical problems existing in the prior art.

Therefore, the utility model provides the lifting table hand controller, which reduces the number of parts, is easy to process and manufacture the die, simplifies the production and assembly procedures and improves the assembly efficiency of the hand controller.

The technical scheme for realizing the purpose of the utility model is as follows:

the utility model provides a lift table hand controller, includes casing assembly and fixed connection at the installing support of lift table lower surface, the installing support with be equipped with at least a pair of cambered surface coupling mechanism between the casing assembly, the casing assembly pass through cambered surface coupling mechanism with the installing support rotates to be connected.

Further, the installing support includes body and installation department, the top surface of body forms smooth circular arc face, and the bottom surface is equipped with first circular arc recess, casing assembly inner wall top be equipped with circular arc face complex second circular arc recess, the bottom be equipped with first circular arc recess complex circular arc convex part, cambered surface coupling mechanism is two pairs, is arc face and second circular arc recess, first circular arc recess and circular arc convex part respectively.

Further, the arc surface, the first arc groove, the second arc groove and the arc convex part are concentric arcs.

Further, the shell assembly comprises a shell and a PCB (printed circuit board) fixedly installed in the shell, the shell comprises an upper shell and a lower shell which are fixedly connected, an elastic rising switch and an elastic falling switch are arranged on the PCB, trigger structures corresponding to the elastic rising switch and the elastic falling switch respectively are arranged on the mounting support, and the elastic rising switch and the elastic falling switch are at least two pairs.

Further, notches are formed in the periphery of the PCB, and limit bosses corresponding to the notches are arranged at four inner corners of the lower shell.

Further, the lower surface of the upper shell is provided with a first positioning table, the upper surface of the lower shell is provided with a second positioning table, and the PCB is fixedly clamped between the first positioning table and the second positioning table.

Further, the installation department runs through the body along vertical and with body integrated into one piece, the top and the bottom of shell are equipped with respectively with the concentric first mounting hole and the second mounting hole that sets up of installation department, the installation department extends to be equipped with the clearance between first mounting hole and outer wall and the first mounting hole, the clearance is not less than the rotation stroke of shell.

Further, two reinforcing ribs are arranged on two sides of the bottom of the upper shell, which are located at the first mounting hole, and a limiting groove for accommodating the triggering structure is formed between the two reinforcing ribs.

Further, a display screen electrically connected with the PCB is arranged at the front end of the shell, and a transparent panel fixedly arranged on the shell is arranged on the outer cover of the display screen.

Further, an elastic reset switch is arranged on the bottom surface of the PCB, and a reset spring button is correspondingly arranged at the bottom of the lower shell.

Further, a switch is arranged on the side face of the shell assembly.

Further, the front end of the outer shell is arranged in a downward inclined mode.

By adopting the technical scheme, the utility model has the following beneficial effects:

(1) According to the utility model, the installation support and the shell assembly are rotationally connected through the cambered surface connecting mechanism, so that independent shaft parts are omitted, channels for the shaft parts to pass through are avoided being formed on the shell and the installation support, the mould processing and manufacturing of the shell and the installation support are simpler, and the production and manufacturing cost is reduced.

(2) According to the utility model, the rotating connection is realized through the cambered surface connecting structure, so that the structure is simpler, the rotating contact surface is large, the rotating contact surface is not easy to damage, and an operator can obtain better stirring experience and is more durable.

(3) The utility model can complete the assembly by only assembling and clamping the lower shell, the PCB, the mounting bracket and the upper shell, omits the complicated step of penetrating the shaft part, simplifies the production and assembly procedures and improves the production efficiency of the hand controller.

(4) According to the utility model, the two pairs of elastic switches are arranged, so that the strength and elasticity requirements of a single elastic switch are reduced, the universal elastic switch is adopted, and the service life of the elastic switch is longer.

(5) Through set up the breach on the PCB circuit board to set up corresponding spacing boss at the inferior valve, realize the spacing of the X axle of PCB circuit board and Y axle orientation, avoid the PCB circuit board to slide and arouse trigger structure and switch dislocation and arouse the trigger failure.

(6) The first positioning table and the second positioning table which are oppositely arranged on the upper shell and the lower shell provide mounting positions for the PCB, the PCB is firmly clamped, Z-axis positioning is achieved, the horizontal direction of the PCB is limited by friction between the positioning table and the PCB, locking such as screws is not needed, the structure is simpler, the assembly is convenient, and meanwhile, the structural strength of the upper shell and the lower shell is improved due to the arrangement of the first positioning table and the second positioning table.

(7) According to the utility model, the structural strength of the upper shell is improved by arranging the reinforcing ribs, and the limit grooves of the first trigger structure and the second trigger structure are formed on the other hand, so that the trigger structure can be effectively contacted with the corresponding switch.

(8) The utility model is provided with the display screen, can intuitively display parameters such as the position of the lifting table, and has better user experience.

(9) The utility model also has an elastic reset switch and a reset spring button, and the elastic reset switch is triggered by the reset spring button, so that the hand controller can directly execute the initialization function, and the operation function of the hand controller is more comprehensive.

(10) The front end of the shell is arranged in a downward inclined mode, so that the shell is more convenient for operators to stir.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

FIG. 1 is a schematic diagram of a prior art CN114899029A

FIG. 2 is a perspective view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a cross-sectional view taken along the A-A plane of FIG. 3;

FIG. 6 is a cross-sectional view taken along the B-B plane of FIG. 3;

FIG. 7 is a perspective view of the mounting bracket;

FIG. 8 is a schematic view of the internal structure of the present utility model;

fig. 9 is a schematic diagram of an assembly structure of the lower case and the PCB;

fig. 10 is a schematic structural view of the upper case.

The reference numerals in the drawings are:

the device comprises a mounting bracket 1, a body 1-1, a first circular arc groove 1-1, a mounting part 1-2, a reinforcing plate 1-3, a first triggering structure 1-4, a second triggering structure 1-5, a shell 2, an upper shell 2-1, a circular arc groove 2-1-2, a first mounting hole 2-1-2, a first positioning table 2-1-3, a partition plate 2-1-4, a lower shell 2-2, a circular arc convex part 2-2-1, a second mounting hole 2-2, a second positioning table 2-2-3, a reset spring piece button 2-2-4, a limiting boss 2-2-5, a PCB circuit board 3, an elastic rising switch 3-1, an elastic falling switch 3-2, an elastic reset switch 3-3 and a display screen 4.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Example 1

The lifting table hand controller shown in fig. 2 to 10 comprises a mounting bracket 1 and a shell assembly, wherein the shell assembly comprises a shell 2 and a PCB (printed circuit board) 3 fixedly mounted in the shell 2, the shell assembly is rotatably sleeved on the mounting bracket 1, and traditional shaft hole parts are replaced by the mounting bracket 1, so that the die is easy to process and manufacture, and meanwhile, the number of parts is small, so that the lifting table hand controller is fixedly connected with a lifting table top and is rotatably connected with the shell assembly.

For easy assembly, the housing 2 of the present embodiment is provided with a split structure, including an upper housing 2-1 and a lower housing 2-2 that are fixedly connected, and the upper housing 2-1 and the lower housing 2-2 are ultrasonically welded, which is more attractive than the screw-fixed profile. The front end of the shell 2 is arranged in a downward inclined mode, so that the stirring of operators is facilitated. The mounting bracket 1 comprises an integrally formed body 1-1 and two mounting parts 1-2, and is fixedly mounted on the tabletop of the lifting table by penetrating the mounting parts 1-2 through screws.

The top surface and the side surface of the body 1-1 form smooth arc surfaces, the bottom surface is provided with a first arc groove 1-1-1, and the lower surface of the upper shell 2-1 and the upper surface of the lower shell 2-2 are respectively provided with an arc groove 2-1-1 and an arc convex part 2-2-1 which are matched with the arc surfaces and the first arc groove 1-1-1. The cross sections of the first arc groove 1-1-1 and the arc convex part 2-2-1 are concentric arcs, the arc groove 2-1 comprises a plane and second arc grooves symmetrically arranged on two sides of the plane, and the second arc grooves are in smooth transition with the plane and are concentric arcs with the cross section of the arc convex part 2-2-1. Through the cooperation between the arc surfaces, the rotary connection between the shell assembly and the mounting bracket 1 is realized, the structure is simpler, the rotary contact surface is large, the damage is not easy to damage, and an operator can obtain better stirring experience and is more durable; through planar setting, realize the relative pivoted angle restriction of casing assembly and installing support 1. The two mounting parts 1-2 respectively penetrate through the body 1-1 along the longitudinal direction, the upper shell 2-1 and the lower shell 2-2 are respectively provided with a first mounting hole 2-1-2 and a second mounting hole 2-2-2 which are corresponding to the mounting parts 1-2 and are concentrically arranged, a gap is arranged between the first mounting hole 2-1-2 and the mounting parts 1-2, the gap is not smaller than the rotation stroke of the shell assembly, and a space is reserved for rotation of the shell assembly. In order to reduce the cost and reduce the material consumption of the body 1-1, the bottom surface of the body 1-1 in this embodiment is of a hollow structure, and a reinforcing plate 1-3 integrally formed with the body 1-1 is arranged between the two mounting portions 1-2, thereby improving the strength of the body 1-1.

The lower surface of the upper shell 2-1 is provided with a first positioning table 2-1-3, the upper surface of the lower shell 2-2 is provided with a second positioning table 2-2-3, a mounting space is provided for the PCB 3, Z-axis positioning is achieved, friction between the positioning table and the PCB limits horizontal movement of the PCB, and therefore the PCB 3 is fixedly clamped between the first positioning table 2-1-3 and the second positioning table 2-2-3. In order to prevent the PCB from sliding due to external force greater than friction force between the first positioning table 2-1-3 and the second positioning table 2-2-3, notches are arranged on the periphery of the PCB 3, and limit bosses 2-2-5 corresponding to the notches and with tops higher than the upper end face of the PCB 3 are arranged on the lower shell 2-2, so that the X-axis and Y-axis limits of the PCB are realized, and the PCB is prevented from sliding.

The PCB 3 is provided with two pairs of elastic rising switches 3-1 and elastic falling switches 3-2, so that the elastic requirement of a single elastic switch is reduced, and the universal elastic switch is adopted, so that the cost is reduced, and the service life of the elastic switch is prolonged. Wherein the elastic rising switch 3-1 is positioned at one side of the mounting bracket 1, and the elastic falling switch 3-2 is positioned at the other side of the mounting bracket 1. The two sides of the two mounting parts 1-2 are respectively provided with a first triggering structure 1-4 and a second triggering structure 1-5 which have the same structure. The first triggering structure 1-4 and the second triggering structure 1-5 respectively correspond to the elastic rising switch 3-1 and the elastic falling switch 3-2, and comprise an extension rod integrally formed with the body 1-1 and a boss arranged on the bottom surface of the extension rod. When the shell assembly is stirred to rotate up and down, bosses of the first triggering structure 1-4 and the second triggering structure 1-5 respectively press the elastic rising switch 3-1 and the elastic falling switch 3-2, so that the elastic rising switch 3-1 and the elastic falling switch 3-2 are closed, and the lifting table is controlled to rise and fall. In order to ensure that the first triggering structure 1-4 and the second triggering structure 1-5 are stable in action, in this embodiment, the two sides of the first triggering structure 1-4 and the second triggering structure 1-5 are respectively provided with a partition plate 2-1-4 integrally formed with the upper shell 2-1, so that a limit groove for accommodating the rotation of the first triggering structure 1-4 and the second triggering structure 1-5 is formed, and the triggering structure is ensured to be in effective contact with the switch.

In the embodiment, the front end of the lower shell 2-2 is provided with the display screen 4 electrically connected with the PCB 3, and the front end of the upper shell 2-1 is a transparent panel, so that parameters such as the position of the lifting table can be intuitively displayed, and the user experience is better. The display screen 4 may be a nixie tube display, an OLED display or a liquid crystal display, etc. Meanwhile, an elastic reset switch 3-3 is arranged on the bottom surface of the PCB 3, a reset spring button 2-2-4 is correspondingly arranged at the bottom of the lower shell 2-2, the elastic reset switch 3-3 is triggered through the reset spring button 2-2-4, the hand controller can directly realize the initialization function of the hand controller, the operation function of the hand controller is more comprehensive, a switch is arranged on the side surface of the shell, and the switch can be a power switch, a child lock and the like.

According to the embodiment, the traditional shaft hole part is replaced by the mounting bracket 1, the die is easy to process and manufacture, the number of parts is reduced, the fixed connection with the table top of the lifting table is realized, the rotating connection with the shell assembly is realized, the first triggering structure 1-4 and the second triggering structure 1-5 trigger the elastic rising switch 3-1 and the elastic falling switch 3-2 respectively through stirring the shell assembly, the control of the lifting table is further realized, the overall structure is simple, the production and assembly procedures are simplified, and the production and manufacturing costs are reduced.

Example 2

The structure of this embodiment is similar to that of embodiment 1, except that: the display screen is not installed in the embodiment, so that the cost is lower, and the use requirements of different users are met.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims (12)

1. A lifting table hand controller which is characterized in that: the lifting table comprises a shell assembly and a mounting bracket fixedly connected to the lower surface of the lifting table, wherein at least one pair of cambered surface connecting mechanisms are arranged between the mounting bracket and the shell assembly, and the shell assembly is rotationally connected with the mounting bracket through the cambered surface connecting mechanisms.

2. A lifting desk hand control as claimed in claim 1, wherein: the mounting bracket comprises a body and a mounting part, wherein the top surface of the body forms a smooth arc surface, a first arc groove is formed in the bottom surface of the body, a second arc groove matched with the arc surface is formed in the top of the inner wall of the shell assembly, an arc protrusion matched with the first arc groove is formed in the bottom of the inner wall of the shell assembly, and two pairs of arc connection mechanisms are respectively arranged on the arc surface and the second arc groove, and the first arc groove and the arc protrusion.

3. A lifting desk hand control as claimed in claim 2, wherein: the arc surface, the first arc groove, the second arc groove and the arc convex part are concentric arcs.

4. A lifting desk hand control as claimed in claim 2, wherein: the shell assembly comprises a shell and a PCB (printed circuit board) fixedly installed in the shell, the shell comprises an upper shell and a lower shell which are fixedly connected, an elastic rising switch and an elastic falling switch are arranged on the PCB, trigger structures which correspond to the elastic rising switch and the elastic falling switch respectively are arranged on the mounting support, and the elastic rising switch and the elastic falling switch are at least two pairs.

5. The lift table hand controller of claim 4, wherein: notches are formed in the periphery of the PCB, and limit bosses corresponding to the notches are arranged at four inner corners of the lower shell.

6. The lift table hand controller of claim 4, wherein: the lower surface of the upper shell is provided with a first positioning table, the upper surface of the lower shell is provided with a second positioning table, and the PCB is fixedly clamped between the first positioning table and the second positioning table.

7. The lift table hand controller of claim 4, wherein: the installation department along vertically run through the body and with body integrated into one piece, the top and the bottom of shell be equipped with respectively with the concentric first mounting hole and the second mounting hole that sets up of installation department, the installation department extends to first mounting hole and outer wall with be equipped with the clearance between the first mounting hole, the clearance is not less than the rotation stroke of shell.

8. The lift table hand controller of claim 7, wherein: two reinforcing ribs are arranged on the upper shell and located on two sides of the first mounting hole, and a limiting groove for accommodating the triggering structure is formed between the two reinforcing ribs.

9. The lift table hand controller of claim 4, wherein: the bottom surface of PCB circuit board is equipped with elasticity reset switch, the bottom of shell corresponds and is equipped with reset shell fragment button.

10. The lift table hand controller of claim 4, wherein: the front end of the shell is provided with a display screen electrically connected with the PCB, and the outer cover of the display screen is provided with a transparent panel fixedly arranged on the shell.

11. A lifting desk hand control according to any one of claims 1-10, wherein: the side of the shell assembly is provided with a switch.

12. A lifting desk hand control according to any one of claims 4-10, wherein: the front end of the shell is arranged in a downward inclined mode.