阅读说明：本技术 一种电动升降桌用手控器及电动升降桌 (Hand controller for electric lifting table and electric lifting table ) 是由 蔺坤 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种电动升降桌用手控器及电动升降桌,解决了现有技术中按键数量较多导致整体尺寸较大的技术问题,本发明的电动升降桌用手控器,包括壳体和设于所述壳体内的主控板,所述壳体上设有用于控制电动升降桌升降的滚轮,所述主控板连接有将所述滚轮的转动角度转换成电信号的编码器,所述主控板根据所述电信号控制所述电动升降桌升降。此外,本发明还公开了一种电动升降桌,包括桌面板以及上述电动升降桌用手控器,所述电动升降桌用手控器安装于所述桌面板的底面。(The invention discloses a hand controller for an electric lifting table and the electric lifting table, and solves the technical problem that the whole size is larger due to more keys in the prior art. In addition, the invention also discloses an electric lifting table, which comprises a table top plate and the hand controller for the electric lifting table, wherein the hand controller for the electric lifting table is arranged on the bottom surface of the table top plate.)

1. The utility model provides an electric lift is hand controller for table, includes the casing and locates main control board in the casing, its characterized in that, be equipped with the gyro wheel that is used for controlling electric lift table lift on the casing, the main control board be connected with the turned angle of gyro wheel converts the encoder of the signal of telecommunication into, the main control board basis electric signal control electric lift table goes up and down.

2. A hand controller for an electric lifting table as claimed in claim 1, wherein a setting switch is further connected to the main control board, the roller is elastically installed to float with respect to the setting switch, and the roller is pressed to trigger the setting switch.

3. A hand controller for an electric lifting table as claimed in claim 2, wherein the encoder is a rotary encoder having an input shaft sleeve, and the roller has a rotation shaft connected to the input shaft sleeve and rotating synchronously.

4. A hand controller for an electric lifting table as claimed in claim 3, wherein a first bracket is elastically mounted in the housing, the first bracket corresponds to the setting switch, the rotating shaft is rotatably mounted on the first bracket, the rotary encoder is fixed on the first bracket, and the roller is pressed to drive the first bracket to move and trigger the setting switch.

5. A hand controller for electric lifting table as claimed in claim 4, wherein said first bracket is provided with a roller groove, a concave cavity and a rotary shaft groove, said rotary shaft groove and said concave cavity are respectively provided at both sides of said roller groove, said rotary encoder is installed in said concave cavity, part of said roller is located in said roller groove, and said rotary shaft is rotatably engaged with said rotary shaft groove.

6. A hand controller for an electric lifting table as claimed in claim 4, wherein an elastic member is further provided in the housing to penetrate the main control board, and the elastic member is press-fitted between the first bracket and the housing.

7. A hand controller for an electric lifting table as claimed in claim 4, wherein a limiting plate is further provided in the housing to penetrate through the main control panel, one of the limiting plate and the first bracket is provided with a limiting hole, and the other is provided with a limiting projection slidably engaged with the limiting hole.

8. A hand controller for an electric lifting table as claimed in claim 4, wherein a guide plate penetrating through the main control plate is further provided in the housing, one of the guide plate and the first bracket is provided with a guide groove, and the other is provided with a guide rib slidably fitted with the guide groove.

9. A hand controller for an electric lifting table as claimed in claim 3, wherein the rotary encoder is welded and fixed to the main control board, one end of the rotary shaft is connected to the input shaft sleeve and rotates synchronously, the other end of the rotary shaft corresponds to the setting switch, and the roller is pressed to deform and move the other end of the rotary shaft and trigger the setting switch.

10. A hand controller for an electric lifting table as claimed in claim 9, wherein a support plate is further provided in the housing to extend through the main control plate, the support plate is provided with a notch for the other end of the rotary shaft to extend through, and the setting switch is located on a side of the support plate away from the rotary encoder.

11. A hand controller for an electric lifting table as claimed in claim 2, wherein the encoder is a grating encoder, the grating encoder includes an ir emitter and an ir receiver which are oppositely disposed, a second bracket is disposed in the housing and penetrates through the main control board, the roller has a rotating shaft, the rotating shaft is rotatably mounted on the second bracket, the roller is located between the ir emitter and the ir receiver, and a plurality of grids for infrared rays to pass through are circumferentially spaced on the roller.

12. A hand controller for an electric lifting table as claimed in claim 11, wherein the second support comprises a fixed frame and a floating frame, the fixed frame comprises two fixed pillars arranged at intervals, a torsion spring is sleeved at one end of the rotating shaft, two ends of the torsion spring are respectively hooked and supported on the two fixed pillars, the other end of the rotating shaft is in running fit with the floating frame, the floating frame corresponds to the setting switch, and the roller is pressed to drive the floating frame to move and trigger the setting switch.

13. A hand controller for an electric lifting table as claimed in claim 12, wherein the roller comprises a gear surface coaxially disposed with the rotation shaft, the gear surface is a wave surface extending in the circumferential direction, a gear rod is further disposed in the housing, one end of the gear rod is fixed on the floating frame, and the other end of the gear rod elastically abuts against the gear surface.

14. The hand controller for electric lifting tables as claimed in any one of claims 1 to 12, wherein the main control board is further connected with a lifting switch and a lowering switch, the hand controller for electric lifting tables further comprises two buttons corresponding to the lifting switch and the lowering switch one by one, respectively, and the buttons are pressed to trigger the lifting switch or the lowering switch to control the lifting or lowering of the electric lifting table.

15. A hand controller for an electric lifting table as claimed in claim 14, wherein the push button includes a pressing portion and a fixing portion, the fixing portion is fixed in the housing, the pressing portion is suspended, the pressing portion is provided with a triggering post extending towards the main control board, and the triggering post is used for triggering the lifting switch or the lowering switch.

16. A hand controller for an electric lifting table as claimed in claim 15, wherein the button is disposed in the housing, and the housing is provided with a relief hole for exposing the pressing portion to the outside.

17. A hand controller for electric lifting tables as claimed in claim 14, wherein two said buttons are respectively located at both sides of said roller.

18. An electric lifting table, characterized by comprising a table top plate and the hand controller for electric lifting table of any one of claims 1 to 17, wherein the hand controller for electric lifting table is installed on the bottom surface of the table top plate.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of electric lifting tables, in particular to a hand controller for an electric lifting table and the electric lifting table.

[ background of the invention ]

Be equipped with a plurality of entity buttons among the prior art on the hand controller, including ascending button and decline button in a plurality of entity buttons, through pressing the electronic lift table that can control of ascending button to rise, through pressing the decline button and can control electronic lift table and descend, because a plurality of entity buttons need the certain distance setting of interval, consequently just so can lead to the overall dimension of whole hand controller among the prior art to be big on the left and right sides, and then increased manufacturing cost.

[ summary of the invention ]

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide the hand controller for the electric lifting table and the electric lifting table, so that the arrangement of an ascending key and a descending key can be omitted, the whole size is reduced, and the manufacturing cost is reduced; the mode that can also control the lift of electric lift table through the gyro wheel that rolls facilitates the blind operation of user, and it is more convenient to operate, and the operation interest is stronger.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an electric lift is hand controller for table, includes the casing and locates main control board in the casing, be equipped with the gyro wheel that is used for controlling electric lift table lift on the casing, the main control board be connected with the turned angle of gyro wheel converts the encoder of the signal of telecommunication into, the main control board basis signal of telecommunication control electric lift table goes up and down.

Furthermore, the main control board is further connected with a setting switch, the roller is elastically installed to be opposite to the setting switch in a floating mode, and the roller is pressed to trigger the setting switch.

Furthermore, the encoder is a rotary encoder, the rotary encoder is provided with an input shaft sleeve, the roller is provided with a rotating shaft, and the rotating shaft is connected with the input shaft sleeve and synchronously rotates.

Furthermore, the elastic mounting has first support in the casing, first support corresponds set up the switch, the pivot is rotated and is installed on the first support, rotary encoder fixes on the first support, presses the gyro wheel is in order to drive first support removes and triggers set up the switch.

Furthermore, the first support is provided with a roller groove, a concave cavity and a rotating shaft groove, the rotating shaft groove and the concave cavity are respectively arranged on two sides of the roller groove, the rotary encoder is arranged in the concave cavity, part of the roller is positioned in the roller groove, and the rotating shaft is in running fit with the rotating shaft groove.

Furthermore, an elastic piece penetrating through the main control board is further arranged in the shell, and the elastic piece is pressed between the first support and the shell.

Furthermore, a limiting plate penetrating through the main control board is further arranged in the shell, one of the limiting plate and the first support is provided with a limiting hole, and the other one of the limiting plate and the first support is provided with a limiting lug in sliding fit with the limiting hole.

Furthermore, a guide plate penetrating through the main control plate is further arranged in the shell, one of the guide plate and the first support is provided with a guide groove, and the other one of the guide plate and the first support is provided with a guide rib in sliding fit with the guide groove.

Furthermore, the rotary encoder is welded and fixed on the main control board, one end of the rotating shaft is connected with the input shaft sleeve and synchronously rotates, the other end of the rotating shaft corresponds to the setting switch, and the roller is pressed to enable the other end of the rotating shaft to deform and move and trigger the setting switch.

Furthermore, the casing is internally provided with a supporting plate penetrating through the main control panel, the supporting plate is provided with a notch for the other end of the rotating shaft to penetrate through, and the setting switch is positioned on one side of the supporting plate far away from the rotary encoder.

Further, the encoder is the grating encoder, the grating encoder includes relative infra-red transmitter and the infrared receiver who sets up, be equipped with in the casing and run through the second support of main control board, the gyro wheel is equipped with the pivot, the pivot is rotated and is installed on the second support, and make the gyro wheel is located between infra-red transmitter and the infrared receiver, circumference interval is equipped with a plurality of grids that supply the infrared ray to pass on the gyro wheel.

Furthermore, the second support includes mount and floating frame, the mount includes the fixed stay that two intervals set up, the one end cover of pivot is equipped with the torsional spring, the both ends of torsional spring hook respectively support two on the fixed stay, the other end of pivot with floating frame normal running fit, floating frame with set up the switch and correspond, press the gyro wheel with the drive floating frame removes and triggers set up the switch.

Furthermore, the roller comprises a gear surface coaxially arranged with the rotating shaft, the gear surface is a wave surface extending in the circumferential direction, a gear rod is further arranged in the shell, one end of the gear rod is fixed on the floating frame, and the other end of the gear rod is elastically abutted to the gear surface.

Furthermore, the main control board is further connected with an ascending switch and a descending switch, the hand controller for the electric lifting table further comprises two keys which are in one-to-one correspondence with the ascending switch and the descending switch respectively, and the keys are pressed and trigger the ascending switch or the descending switch to control the electric lifting table to ascend or descend.

Furthermore, the button includes pressing portion and fixed part, the fixed part is fixed in the casing, press the unsettled setting of portion, be equipped with on the pressing portion towards the trigger post that the main control board direction extends, the trigger post is used for triggering rising switch or decline switch.

Furthermore, the key is arranged in the shell, and the shell is provided with an avoiding hole for exposing the pressing part on the outer side.

Furthermore, the two keys are respectively positioned at two sides of the roller.

The invention also provides an electric lifting table, which comprises a table top plate and the hand controller for the electric lifting table in any technical scheme, wherein the hand controller for the electric lifting table is arranged on the bottom surface of the table top plate.

The invention has the beneficial effects that:

when the hand controller is used, the lifting control of the electric lifting table can be realized by rolling the roller, so that the arrangement of a lifting key and a descending key can be omitted, the overall size of the hand controller is reduced, and the manufacturing cost is reduced; in addition, the mode of controlling the electric lifting table to lift through the rolling idler wheel is convenient for the user to do blind operation, so that the operation is more convenient, and the operation interestingness is stronger.

The main control board is also connected with a setting switch, the roller is elastically installed to float with the opposite setting switch, and the roller is pressed to trigger the setting switch. Design like this, after electric lift table rises or descends suitable position, press the gyro wheel and trigger and set up the switch, can set for the preference position with the desktop board position of electric lift table at present, when using next time, can stop rising or descend when electric lift table is in the preference position like this, promote user's use and experience from this.

The encoder is a rotary encoder, the rotary encoder is provided with an input shaft sleeve, the idler wheel is provided with a rotating shaft, and the rotating shaft is connected with the input shaft sleeve and synchronously rotates. So design can drive the pivot through the roll gyro wheel and rotate, and the pivot is rotated and is driven the synchronous rotation of input shaft cover and then drive the code wheel in the rotary encoder and rotate, can convert the turned angle of gyro wheel into the signal of telecommunication and output from this to this realizes the switching of functional parameter through the roll gyro wheel.

The shell is internally and elastically provided with a first support, the first support corresponds to the setting switch, the rotating shaft is rotatably arranged on the first support, the rotary encoder is fixed on the first support, and the pressing roller drives the first support to move and triggers the setting switch. So design can realize that the relative casing of gyro wheel rotates to make the user can drive the gyro wheel and rotate around the axis of its pivot and carry out the parameter selection, also guaranteed simultaneously when pressing the gyro wheel, pivot and rotary encoder can synchronous movement, with this connection reliability of guaranteeing pivot and input axle sleeve.

The first support is provided with a roller groove, a concave cavity and a rotating shaft groove, the rotating shaft groove and the concave cavity are respectively arranged on two sides of the roller groove, the rotary encoder is arranged in the concave cavity, part of rollers are positioned in the roller groove, and the rotating shaft is in rotating fit with the rotating shaft groove. So design, can carry on spacingly and carry on spacingly to the gyro wheel through the gyro wheel groove through the cavity to rotary encoder, make things convenient for the installation of rotary encoder and gyro wheel.

Still be equipped with the elastic component that runs through the main control board in the casing, the elastic component pressure equipment is between first support and casing. So design, can realize the elastic mounting of first support, when pressing the gyro wheel, first support removes and compresses the elastic component to make first support trigger and set up the switch, loosen behind the gyro wheel, the elastic component drives first support and gyro wheel and resets.

A limiting plate penetrating through the main control plate is further arranged in the shell, one of the limiting plate and the first support is provided with a limiting hole, and the other one of the limiting plate and the first support is provided with a limiting lug in sliding fit with the limiting hole. So design can restrict the displacement of first support through spacing pore pair to with its displacement control at less distance, so that the user can realize triggering the setting switch lightly pressing the gyro wheel.

Still be equipped with the deflector that runs through the master control board in the casing, one of them is equipped with the guide way with first support to the deflector, and another is equipped with the direction muscle with guide way sliding fit. By the design, the first support can be prevented from shaking greatly when moving, and the phenomenon that the roller and the shell are blocked and cannot roll smoothly is avoided.

The rotary encoder is welded and fixed on the main control board, one end of the rotating shaft is connected with the input shaft sleeve and synchronously rotates, the other end of the rotating shaft corresponds to the setting switch, and the roller is pressed to enable the other end of the rotating shaft to deform and move and trigger the setting switch. The pivot has certain elasticity in this scheme, and when pressing the gyro wheel, the pivot takes place to warp and removes and trigger and set up the switch, and the cancellation is to the back of pressing of gyro wheel, and the pivot resets and drives the gyro wheel and resets under the elasticity of self, and overall structure is comparatively simple.

Still be equipped with the backup pad that runs through the master control board in the casing, be equipped with the breach that the other end that supplies the pivot to run through in the backup pad, set up the switch and be located the backup pad and keep away from one side of rotary encoder. So design can enough carry on spacingly to the pivot, can support the pivot again when the pivot triggers to set up the switch to avoid the pivot to take place the rupture.

The second support includes mount and floating frame, and the mount includes the fixed stay that two intervals set up, and the one end cover of pivot is equipped with the torsional spring, and the both ends of torsional spring hook respectively supports on two fixed stay, the other end and the floating frame normal running fit of pivot, and the floating frame corresponds with the setting switch, presses the gyro wheel and removes and trigger the setting switch in order to drive the floating frame. When the gyro wheel in this scheme was pressed, the torsional spring compression, the frame that floats removed and triggered and set up the switch, cancel the back of pressing to the gyro wheel, the torsional spring resets in order to order about floating frame and gyro wheel and resets.

The gyro wheel includes the gear face with the coaxial setting of pivot, and the gear face is the wave face of circumference extension, still is equipped with the gear pole in the casing, and the one end of gear pole is fixed on floating the frame, and the other end offsets with gear face elasticity. So design, when rolling the gyro wheel, the other end of gear pole can produce certain resistance to the roll of gyro wheel when the trough by the wave surface slides to crest department, and feel promptly to the great power that the gyro wheel was applyed, leaves behind the crest when the other end of gear pole, and the power that the user applyed on the gyro wheel reduces, can make the user feel good feedback clearly at the in-process of rolling the gyro wheel from this and feel, has promoted user's use and has experienced.

The main control board is further connected with an ascending switch and a descending switch, the hand controller for the electric lifting table further comprises two keys which are in one-to-one correspondence with the ascending switch and the descending switch respectively, and the keys are pressed and the ascending switch or the descending switch is triggered to control the electric lifting table to ascend or descend. By the design, after the roller rolls and is blocked or damaged, the lifting control of the electric lifting table is realized by pressing the key, so that the use experience of a user is improved.

The button is including pressing splenium and fixed part, and the fixed part is fixed in the casing, presses the unsettled setting of splenium, is equipped with the trigger post towards main control board direction extension on pressing the splenium, and the trigger post triggers rising switch or decline switch. According to the design, the reset of the pressing part and the triggering column is realized through the elastic deformation of the key, so that the rising switch or the falling switch is switched off, the arrangement of the elastic part is omitted, and the number of parts and the assembly steps of the hand controller are reduced.

The key is arranged in the shell, and the shell is provided with a dodging hole used for exposing the pressing part on the outer side. By the design, a user can press the pressing part conveniently, the key can be effectively protected, and the condition that the suspended end of the key is exposed outside and accidentally broken is avoided. The two keys are respectively positioned at two sides of the roller. So design, it is rationally distributed, the blind operation of user of being convenient for.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention is further described below with reference to the accompanying drawings:

fig. 1 is an exploded view of a hand controller according to an embodiment of the present invention;

FIG. 2 is a structural diagram of the interior of the manual controller after the cover is opened according to the first embodiment of the present invention;

fig. 3 is a structural diagram of the manual controller with the cover and the keys removed according to the first embodiment of the present invention;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is a first cross-sectional view of the hand controller according to the first embodiment of the present invention;

FIG. 6 is a second cross-sectional view of the hand controller according to the first embodiment of the present invention;

FIG. 7 is a third cross-sectional view of the hand controller according to the first embodiment of the present invention;

FIG. 8 is a fourth cross-sectional view of the hand controller according to the first embodiment of the present invention;

fig. 9 is an internal structural view of the hand controller in the second embodiment of the present invention;

FIG. 10 is a cross-sectional view of FIG. 9;

fig. 11 is an internal structural view of a hand controller in the third embodiment of the present invention;

FIG. 12 is a cross-sectional view of FIG. 11;

fig. 13 is a structural view illustrating the hand controller according to the fourth embodiment of the present invention installed on the table top.

Reference numerals:

001. a clearance for movement; 002. a table top plate; 100. a housing; 110. a base; 111. a support plate; 112. a U-shaped limiting sleeve; 120. a cover body; 121. avoiding holes; 130. an elastic member; 140. a guide sleeve; 150. a limiting plate; 160. a guide plate; 200. a main control board; 210. setting a switch; 300. a rotary encoder; 310. an input shaft sleeve; 400. a grating encoder; 410. an infrared emitter; 420. an infrared receiver; 500. a rising switch; 600. a down switch; 700. a roller; 701. a grid; 710. a rotating shaft; 720. a gear surface; 800. pressing a key; 810. a pressing part; 811. a trigger post; 820. a fixed part; 900. a first bracket; 910. a roller groove; 920. a concave cavity; 930. a rotating shaft groove; 940. a limiting bump; 950. a guide rib; 1100. a floating frame; 1101. a convex column; 1110. limiting convex ribs; 1200. fixing a strut; 1300. a torsion spring; 1400. a gear lever.

[ detailed description ] embodiments

The invention provides a hand controller for an electric lifting table, which comprises a shell and a main control board arranged in the shell, wherein the shell is provided with a roller for controlling the lifting of the electric lifting table, the main control board is connected with an encoder for converting the rotation angle of the roller into an electric signal, and the main control board controls the lifting of the electric lifting table according to the electric signal.

When the hand controller is used, the lifting control of the electric lifting table can be realized by rolling the roller, so that the arrangement of a lifting key and a descending key can be omitted, the overall size of the hand controller is reduced, and the manufacturing cost is reduced; in addition, the mode of controlling the electric lifting table to lift through the rolling idler wheel is convenient for the user to do blind operation, so that the operation is more convenient, and the operation interestingness is stronger.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 8, the hand controller for an electric lift table in this embodiment includes a housing 100 and a main control board 200, the housing 100 includes a base 110 and a cover 120, the main control board 200 is disposed in the housing 100 and fixed on the base 110, a roller 700 partially exposed and used for controlling the electric lift table to lift penetrates through the housing 100 in this embodiment, that is, the roller 700 penetrates through the cover 120, the main control board 200 is connected to an encoder for converting a rotation angle of the roller 700 into an electrical signal, and the main control board 200 controls the electric lift table to lift according to the electrical signal. Therefore, when the hand controller is used, the lifting control of the electric lifting table can be realized by rolling the rollers 700 in the forward and reverse directions, so that the arrangement of a lifting key and a descending key can be omitted, the overall size of the hand controller is reduced, and the manufacturing cost is reduced; in addition, the mode of controlling the electric lifting table to lift through the rolling roller 700 is convenient for the user to do blind operation, so that the operation is more convenient, and the operation interest is stronger.

The main control board 200 in this embodiment is further connected to a setting switch 210, the roller 700 is elastically installed to float with respect to the setting switch 210, and the roller 700 is pressed to trigger the setting switch 210. So design, after electric lift table rose or descended suitable position, press gyro wheel 700 trigger and set up switch 210, can set for the preference position with the desktop board position of electric lift table at present, when next use like this, electric lift table can stop rising or descend when being in the preference position, promotes user's use experience from this.

Specifically, the encoder in this embodiment is a rotary encoder 300, which includes a code wheel and an input shaft sleeve 310 connected to the code wheel, a first bracket 900 is elastically installed in the housing 100, the first bracket 900 is correspondingly provided with a switch 210, the rotary encoder 300 is fixed on the first bracket 900, the roller 700 is provided with a rotating shaft 710, a cross section of one end of the rotating shaft 710 is circular, the cross section of the rotating shaft 710 is in running fit with the first bracket 900, the other end of the rotating shaft 710 is inserted into the input shaft sleeve 310, the input shaft sleeve 310 is provided with a non-circular matching hole, and a cross section of the other end of the rotating shaft 710 is matched with the shape of the matching hole, so that not only can synchronous rotation of the rotating shaft 710 and the input shaft sleeve 310 be realized, but also synchronous rotation of the code wheel in the rotary encoder 300 is driven while the roller 700 is realized; the roller 700 can also be rotated relative to the housing 100 through the rotation of the shaft 710 in cooperation with the first bracket 900, so that the user can drive the roller 700 to rotate around the axis of the shaft 710. Since the first bracket 900 is elastically installed in the housing 100, when the roller 700 is pressed, the first bracket 900 may be driven by the roller 700 to move and trigger the setting switch 210, and after the roller 700 is released from being pressed, the first bracket 900 is restored by an elastic restoring force to restore the roller 700.

In addition, the first bracket 900 in this embodiment further includes a roller groove 910, a cavity 920 and a rotation shaft groove 930, the rotation shaft groove 930 and the cavity 920 are respectively disposed at two sides of the roller groove 910, the roller groove 910 is open toward one side of the cover 120, the cavity 920 is open toward one side of the cover 120, and the rotation shaft groove 930 is a semicircular groove open toward one side of the cover 120, so that the rotary encoder 300 can be conveniently clamped in the cavity 920, part of the roller 700 is limited in the roller groove 910, and the rotation shaft 710 is placed in the rotation shaft groove 930 to make the rotation shaft 710 and the rotation shaft groove 930 rotatably fit, thereby facilitating the installation of the rotary encoder 300, the roller 700 and the rotation shaft 710; in addition, the cavity 920 also limits the rotary encoder 300 and the roller 700 through the roller groove 910, and the fixing by other structures is not needed.

As shown in fig. 4 and 6 to 8, in the embodiment, the base 110 is further provided with an elastic member 130 penetrating through the main control board 200, the elastic member 130 is a return spring, and the elastic member 130 is press-fitted between the first bracket 900 and the base 110, so that the elastic fitting of the first bracket 900 can be realized, when the roller 700 is pressed, the first bracket 900 moves and compresses the elastic member 130, so that the first bracket 900 triggers the setting switch 210, and after the roller 700 is released, the elastic member 130 drives the first bracket 900 and the roller 700 to return; in addition, the outer side of the elastic member 130 in this embodiment is provided with the guide sleeve 140, the guide sleeve 140 and the base 110 are integrally formed, the elastic member 130 is radially limited by the guide sleeve 140, and the elastic member 130 can be prevented from being inclined when being stretched.

In order to enable a user to lightly press the roller 700 to trigger the setting switch 210, the base 110 in this embodiment is further provided with a limiting plate 150 penetrating through the main control board 200, the limiting plate 150 is provided with a limiting hole, the first bracket 900 is provided with a limiting bump 940 sliding-matched with the limiting hole, one side of the limiting bump 940 facing the main control board 200 is provided with a guiding inclined plane, so that the limiting bump 940 is smoothly clamped in the limiting hole, therefore, the moving distance of the first bracket 900 can be limited by the height of the limiting hole, the height of the limiting hole is set to be lower in this embodiment, so that the moving distance of the first bracket 900 is controlled within a smaller distance, and then the user can lightly press the roller 700 to trigger the setting switch 210.

It is understood that, in other embodiments of the present invention, the limiting protrusion is disposed on the limiting plate, and the limiting hole is disposed on the first bracket, so that the moving distance of the first bracket can be controlled.

As shown in fig. 3, in order to avoid the phenomenon that the first support 900 is greatly shaken when moving to cause the roller 700 and the housing 100 to be jammed, and further the phenomenon that the roller cannot smoothly roll, the base 110 in this embodiment is further provided with the guide plate 160 penetrating through the main control board 200, the four guide plates 160 are distributed outside the four corners of the first support 900, the guide plate 160 is provided with the guide groove, the first support 900 is provided with the guide rib 950 in sliding fit with the guide groove, the guide rib 950 is horizontally limited through the guide groove, and the first support 900 can be prevented from greatly shaking when moving, and further the phenomenon that the roller 700 and the housing 100 are jammed is avoided.

It can be understood that, in other embodiments of the present invention, the guide groove may be further disposed on the first bracket, and the corresponding guide rib is disposed on the guide plate, so that the first bracket is prevented from shaking greatly when moving.

Finally, as shown in fig. 1, fig. 2 and fig. 5, the main control board 200 in this embodiment is further connected to an ascending switch 500 and a descending switch 600, the ascending switch 500 and the descending switch 600 are both micro switches, the hand controller further includes two keys 800 respectively corresponding to the ascending switch 500 and the descending switch 600 one by one, the key 800 is pressed and the ascending switch 500 or the descending switch 600 is triggered to control the ascending or descending of the electric lifting table, that is, when the key 800 corresponding to the ascending switch 500 is pressed, the electric lifting table ascends, the key 800 corresponding to the descending switch 600 is pressed, and the electric lifting table descends, according to the design, after the roller 700 rolls and is stuck or damaged, the lifting control of the electric lifting table is realized by pressing the key 800, so as to improve the use experience of the user.

The key 800 in this embodiment includes a pressing portion 810 and a fixing portion 820, the key 800 is a key board, the fixing portion 820 is fixed on the base 110 by a screw or is fixed on the base 110 by a clamp, the pressing portion 810 is suspended, the pressing portion 810 is provided with a triggering post 811 extending toward the main control board 200, the triggering posts 811 of the two keys 800 respectively correspond to the up switch 500 and the down switch 600, when the pressing portion 810 corresponding to the up switch 500 is pressed, the triggering post 811 on the pressing portion 810 triggers the up switch 500 to control the up of the electric lifting table, when the pressing portion 810 corresponding to the down switch 600 is pressed, the triggering post 811 on the pressing portion 810 triggers the down switch 600 to control the down of the electric lifting table, after the pressing portion 810 is removed, the pressing portion 810 and the triggering post 811 are reset by the elastic deformation of the key 800, so as to turn off the up switch 500 or the down switch 600, therefore, the arrangement of the elastic piece is omitted, and the number of parts and the assembly steps of the hand controller are reduced. In order to optimize the layout and facilitate the user to perform blind operations, the two buttons 800 in the present embodiment are respectively located at two sides of the wheel 700. To simplify assembly, the two fixing portions 820 are connected in this embodiment such that the two keys 800 form a U-shaped plate.

In order to prevent the suspended end of the key 800 from being exposed to the outside and accidentally broken, the key 800 in the present embodiment is disposed in the casing 100 to effectively protect the key 800, and the cover 120 is provided with an avoiding hole 121 for exposing the pressing portion 810 to the outside, so that a user can conveniently press the pressing portion 810.

It can be understood that, in other embodiments of the present invention, the two key plates form the cover body, and the through hole for the roller to pass through is formed between the two key plates, so that the number of parts of the hand controller can be further effectively reduced, thereby reducing the manufacturing cost of the hand controller.

It can be understood that, in other embodiments of the present invention, the key is a key cap, the key cap is disposed through the cover body, a key spring is press-fitted between the key cap and the main control board, one end of the key spring is sleeved outside the ascending switch or the descending switch, and the other end of the key spring is inserted into the key cap.

It is understood that in other embodiments of the present invention, in order to reduce the size of the hand controller and the manufacturing cost of the hand controller, the up switch, the down switch, and the two buttons corresponding to the up switch and the down switch one by one may be omitted.

It will be appreciated that in other embodiments of the invention, the switch may be omitted, in which case the roller need not be resiliently mounted.

Example two

As shown in fig. 9 to 10, compared with the first embodiment, the difference of the present embodiment is that the rotary encoder 300 is welded and fixed on the main control board 200, one end of the rotating shaft 710 is connected with the input shaft sleeve 310 and rotates synchronously, and the other end corresponds to the setting switch 210, the rotating shaft 710 in the present embodiment has certain elasticity to realize the elastic installation of the roller 700, so that after the roller 700 is pressed, the other end of the rotating shaft 710 can deform and move and trigger the setting switch 210, and after the pressing of the roller 700 is cancelled, the rotating shaft 710 resets under its own elasticity and drives the roller 700 to reset, and the overall structure is simpler.

In order to horizontally limit the other end of the rotating shaft 710 to prevent the rotating shaft 710 from being broken due to excessive force applied when the roller 700 is rolled, the base 110 in this embodiment is further provided with a supporting plate 111 penetrating through the main control board 200, and the supporting plate 111 is provided with a notch for the other end of the rotating shaft 710 to penetrate through, so that the other end of the rotating shaft 710 is horizontally limited. Wherein, set up switch 210 and be located backup pad 111 and keep away from one side of rotary encoder 300, in the normality, be equipped with clearance 001 between the other end of pivot 710 and the breach, clearance 001's height equals with the distance that the pivot 710 other end warp when triggering and set up switch 210 and remove, so design, can be after pressing gyro wheel 700, guarantee that the other end of pivot 710 removes one section distance after can triggering and set up switch 210, can support pivot 710 through backup pad 111 when pivot 710 triggers and sets up switch 210 again simultaneously, in order to avoid pivot 710 to take place the rupture.

EXAMPLE III

As shown in fig. 11 to 12, the present embodiment is different from the first and second embodiments in that: the encoder is a grating encoder 400, the grating encoder 400 comprises an infrared emitter 410 and an infrared receiver 420 which are oppositely arranged, a second support penetrating through the main control board 200 is further arranged on the base 110, the second support comprises a fixed frame and a floating frame 1100, the fixed frame and the floating frame 1100 are oppositely arranged, the floating frame 1100 is provided with a downwardly extending convex column 1101, the setting switch 210 is arranged corresponding to the convex column 1101, the fixed frame comprises two fixed supporting columns 1200 which are arranged at intervals, the infrared receiver 420 is positioned between the two fixed supporting columns 1200, one end of the rotating shaft 710 is sleeved with a torsion spring 1300, two ends of the torsion spring 1300 are respectively hooked and supported on the two fixed supporting columns 1200, one end of the rotating shaft 710 is in rotating fit with a mounting hole on the floating frame 1100, therefore, the rotating shaft 710 is rotatably mounted on the second support, the floating frame 1100 can be positioned above the infrared emitter 410 through the supporting effect of the torsion spring 1300, and the elastic mounting of the floating frame 1100 can be realized through the extension and retraction of the torsion spring 1300, namely, the elastic mounting of the roller 700; in addition, the roller 700 of the present embodiment is located between the infrared emitter 410 and the infrared receiver 420, and the plurality of grids 701 through which infrared rays pass are circumferentially spaced on the roller 700, so that the rotation angle of the roller 700 can be converted into an electrical signal. After the roller 700 is pressed, the rotating shaft 710 compresses the torsion spring 1300 and drives the floating frame 1100 to move, so that the convex column 1101 triggers the setting switch 210, and after the roller 700 is not pressed, the torsion spring 1300 resets to drive the floating frame 1100 and the roller 700 to reset.

In addition, in order to avoid the floating frame 1100 from shaking horizontally when floating, the base 110 in this embodiment is further provided with two U-shaped position-limiting sleeves 112 penetrating through the main control board 200, openings of the U-shaped position-limiting sleeves 112 are oppositely arranged, and the floating frame 1100 is provided with a position-limiting convex rib 1110 inserted into the U-shaped position-limiting sleeves 112.

Finally, the roller 700 in this embodiment includes a gear surface 720 disposed coaxially with the rotating shaft 710, the central angle of the gear surface 720 is 360 °, the gear surface 720 is a wave surface extending circumferentially, the number of wave crests is the same as the number of the grids 701, a gear rod 1400 is further disposed in the housing 100, i.e., a metal wire, one end of the shift lever 1400 is fixed to the floating frame 1100, and the other end thereof extends upward and elastically abuts against the shift surface 720, so that, when the roller 700 is rolled, the other end of the shift lever 1400 slides from the trough to the crest of the wavy surface, and generates a certain resistance to the rolling of the roller 700, the greater force applied to the roller 700 is the hand feeling, and when the other end of the shift lever 1400 is away from the peak of the wave, the force applied to the roller 700 by the user is reduced, therefore, the user can clearly sense good feedback hand feeling in the process of rolling the roller 700, and the use experience of the user is improved.

Example four

As shown in fig. 13, the present embodiment further provides an electric lifting table, which includes a lifting column, a table top 002 and the hand controller according to any of the above embodiments, the hand controller is mounted on the bottom surface of the table top 002 and electrically connected to the lifting column, the base 110 is attached to the bottom surface of the table top 002 to hide the hand controller and further enhance the appearance of the product, and the roller 700 is exposed out of the housing 100 to facilitate the blind operation of the user. Meanwhile, in the scheme with the key 800, the design is convenient for a user to press the key 800 so as to control the lifting upright column to drive the desktop plate to lift.

While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.