Hand controller

Abstract

The utility model discloses a hand controller which comprises a shell and a key panel which are arranged in a split mode, the shell is provided with a hollowed-out key area, the key panel comprises a connecting part and at least one key elastic piece connected with the connecting part, an elastic deformation area is arranged between each key elastic piece and the connecting part, and the key elastic pieces are arranged in the key areas. And the connecting part is fixedly connected with the shell and is used for keeping the key elastic sheet in the key area. The hand controller is simple in structure and easy and convenient to assemble, the pressing force of the key elastic sheet is uniform, and the user experience feeling is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric furniture lifting control equipment technical field, specifically is a hand controller. BACKGROUND

[0002] The hand controller is a control component of the electric lifting furniture, also called controller, man-machine interface, etc., which is used to send lifting instructions to the control unit, and the control unit controls the driving motor to move after receiving the lifting instructions, so that the electric furniture is lifted.

[0003] The related technology hand controller, such as Chinese patent application with publication number CN209677724U and name of a dial piece hand controller, includes a shell, a circuit board located in the shell and a plurality of dial pieces partially inserted into the shell, one end of the dial piece inserted into the shell is rotatably connected with the shell, a plurality of elastic switches are electrically connected on the circuit board, the dial piece and the elastic switch are one-to-one corresponding, and a key column that makes the corresponding elastic switch close with the dial piece rotating is arranged on the dial piece; the dial piece is rotated downward around the rotating shaft to make the key column on the dial piece trigger the elastic switch by pressing the dial piece downward. For example, Chinese patent application with publication number CN214753470U and name of integrated hand controller control box, the keys corresponding to the elastic switches on the circuit board are arranged on the upper cover of the shell, and the keys are pressed to trigger the elastic switches, and the keys and the upper cover are integrated.

[0004] The above-mentioned related technology hand controller has the following defects in actual production or use process: the key dial piece adopts the assembled hand controller, each key dial piece needs to be assembled with the shell through the rotating shaft, the structure is complex, the assembly is relatively troublesome, and the reset of the key dial piece completely depends on the elasticity of the elastic switch, but the elasticity of the elastic switch will weaken after long-term use, so that part of the key dial piece cannot be completely reset, and the key dial piece is uneven; the keys and the upper cover of the integrated hand controller are generally injection molded structures, and due to the influence of injection molding process or precision, different key springs on the upper cover will have different deformation amounts, which will affect the pressing force of the keys, that is, the pressing force of the key spring is uneven, and the user experience is poor. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the present application is to overcome the defects of the above-mentioned related technology, provide a hand controller with simple structure, simple and convenient assembly, uniform key spring pressing force and good user experience.

[0006] The technical solution of the present application is to provide a hand controller with the following structure: a shell and a key panel are separately arranged, the shell has a hollow key area, the key panel comprises a connecting part and at least one key spring connected with the connecting part, each key spring is provided with an elastic deformation area between the connecting part, and the key spring is arranged in the key area; the connecting part is fixedly connected with the shell, and is used for keeping the key spring in the key area.

[0007] In some embodiments, the connecting part is provided with a positioning hole, the inner wall of the shell is provided with a positioning column matched with the positioning hole, and the positioning column is inserted and fixed with the positioning hole.

[0008] In some embodiments, the positioning column is provided with a plurality of spaced distribution ribs in the circumferential direction, and the ribs are matched with the inner wall of the positioning hole.

[0009] In some embodiments, the connecting part is provided with a plurality of positioning grooves on the side facing the inner wall of the shell, and the inner wall of the shell is provided with a positioning protrusion matched with the positioning groove.

[0010] In some embodiments, the deformation area is located below the shell and does not expose the key area.

[0011] In some embodiments, the connecting part and the inner wall of the shell are fixed by hot melting or ultrasonic welding.

[0012] In some embodiments, the free end of the positioning column is fixedly connected with the connecting part on the shell after hot melting.

[0013] In some embodiments, the key spring is a plurality of and sequentially distributed along the length direction of the key panel, and a gap is arranged between the adjacent two key springs and the adjacent two elastic deformation areas.

[0014] In some embodiments, the free end of the key spring is connected with a limiting block, and the limiting block abuts against the inner wall of the shell, which is used for preventing the free end of the key spring from being separated from the key area.

[0015] In some embodiments, the connecting part, the key spring and the elastic deformation area are integrally injection molded, and the thickness size of the elastic deformation area is smaller than that of the connecting part.

[0016] Compared with the related art, the hand controller has the following advantages: the key panel of the hand controller is assembled by arranging the key spring of the key panel in the key area of the shell, and then fixing the connecting part of the key panel with the shell, so that the structure is simple, and the assembly is simple and convenient; the elastic deformation area arranged between the key spring and the connecting part provides the rebound force for resetting the key spring by using the elastic deformation of the plastic, so that the key spring can be completely reset without relying on the elastic force of the elastic switch; in addition, the shell and the key panel of the hand controller are separately arranged, so that the shell and the key panel of the hand controller can be independently formed, the volume of the key panel is small, the control requirement of the injection molding process or precision is low during injection molding, and the deformation amount of different key springs can be kept consistent, so that the pressing force of the key spring is uniform, and the user experience is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure schematic diagram of a hand controller according to some embodiments of the application.

[0018] Figure 2 is a connection structure schematic diagram of a shell and a key panel of a hand controller according to some embodiments of the application.

[0019] Figure 3 is a sectional structure schematic diagram of a hand controller according to some embodiments of the application.

[0020] Figure 4 is a front structure schematic diagram of a shell of a hand controller according to some embodiments of the application.

[0021] Figure 5 is a back structure schematic diagram of a shell of a hand controller according to some embodiments of the application.

[0022] Figure 6 is a back structure schematic diagram of a key panel of a hand controller according to some embodiments of the application.

[0023] Figure 7 is a front structure schematic diagram of a key panel of a hand controller according to some embodiments of the application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, shell, 100, key area, 101, positioning column, 102, protruding rib, 103, positioning protrusion, 2, key panel, 200, key spring, 201, connecting part, 202, elastic deformation area, 203, positioning hole, 204, limiting block, 205, positioning groove, 3, gap. DETAILED DESCRIPTION

[0026] First, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0027] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0028] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0029] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0030] Reference Figures 1-7 The hand controller, also known as a controller, a human-computer interaction interface, etc., is electrically connected with the control unit of the electric lifting furniture, used to send lifting commands to the control unit of the electric lifting furniture, control the electric lifting furniture to lift, and the electric lifting furniture of the embodiment generally refers to an electric lifting table, an electric lifting bed, an electric lifting platform, etc.

[0031] In the embodiment, the structure of the hand controller includes a shell 1, a key panel 2, a control circuit board connected in the shell 1, etc. Specifically, in the embodiment, reference Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the shell 1 and the key panel 2 are provided in a split mode, and are two independent components and are respectively formed; wherein, the shell 1 is provided with a hollow key area 100, which is a notch reserved on the shell 1 when the shell 1 is formed; the key panel 2 comprises a connecting portion 201 and at least one key spring 200 connected with the connecting portion 201, and an elastic deformation area 202 is arranged between each key spring 200 and the connecting portion 201, at least a part of the elastic deformation area 202 is provided to be thinner, and is at least smaller than the thickness dimension of the connecting portion 201, the elastic deformation area 202 arranged between the key spring 200 and the connecting portion 201 provides a rebound force for the reset of the key spring 200 by using the elastic deformation of the plastic, when an external force presses the key spring 200, the key spring 200 can be elastically deformed relative to the connecting portion 201, and when the external force disappears, the key spring 200 resets relative to the connecting portion 201. The key spring 200 is arranged in the key area 100, and is adapted to the shape of the key area 100, so as to avoid forming a larger gap between the key spring 200 and the inner wall of the key area 100; the connecting portion 201 of the key panel 2 is fixedly connected with the shell 1, and is used for keeping the key spring 200 in the key area 100.

[0032] For example, referring to Figure 1 、 Figure 2 、 Figure 6 and Figure 7 , the key springs 200 of the key panel 2 are a plurality of, and are respectively arranged on the same side of the connecting portion 201, the plurality of key springs 200 are sequentially distributed along the length direction of the connecting portion 201, and gaps 3 are arranged between adjacent two key springs 200 and adjacent two elastic deformation areas 202. In this way, each key spring 200 does not interfere with other key springs 200 when being pressed, and the key spring 200 has higher elasticity.

[0033] In the above embodiment, referring to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 , the key area 100 is provided in a rectangular shape and is enclosed on four sides; in other embodiments, at least one side of the key area 100 can penetrate the side wall of the shell 1, so that the key area 100 is provided in an open form.

[0034] In this embodiment, the connecting portion 201 of the key panel 2 is provided in a flat plate shape, and the side of the connecting portion 201 facing the inner wall of the shell 1 is provided as a plane; it can be understood that, in order to make the plane of the side of the connecting portion 201 facing the inner wall of the shell 1 and the plane of the relative position of the inner wall of the shell 1 fit more closely and stably, the plane of the side of the connecting portion 201 facing the inner wall of the shell 1 fits with the plane of the relative position of the inner wall of the shell 1.

[0035] In the embodiment, when the key panel 2 of the hand controller is assembled, the key spring 200 of the key panel 2 is arranged in the key area 100 of the shell 1, and then the connecting part 201 of the key panel 2 is fixedly connected with the shell 1, so that the structure is simple, and the assembly is simple and convenient. In addition, the shell 1 and the key panel 2 of the hand controller are separately arranged, so that the shell 1 and the key panel 2 of the hand controller can be independently formed without affecting each other. Since the volume of the key panel 2 is small, the cavity of the mold is relatively small, and the injection pressure is relatively small during injection molding, and the control requirement of the injection process or precision is low, so that the deformation amount of different key springs 200 after forming can be kept consistent, the pressing force of different key springs 200 is avoided, the pressing force of the key spring 200 is uniform, and the user experience is good.

[0036] Further in the embodiment, the connecting part 201, the key spring 200 and the elastic deformation area 202 of the key panel 2 are integrally injection molded, and the thickness size of the elastic deformation area 202 is smaller than that of the connecting part 201. The key panel 2 is small in volume and independently formed, and the injection pressure of the mold can easily ensure the flow rate and flow of plastic from the connecting part 201 cavity to the key spring 200 cavity during injection molding, so that the thickness of the elastic deformation area 202 can be set smaller, the elasticity of the key spring 200 is better, the sensitivity is high, and the pressing is labor-saving.

[0037] It can be understood that the elastic deformation area 202 of the key panel 2 has a region with a relatively thin thickness, so that the overall thickness of the elastic deformation area 202 is not uniform. In the embodiment, the key panel 2 is independently injection molded and is not affected or interfered by the shell 1 during injection molding, and under a certain injection pressure, the flowability of plastic between the connecting part 201 cavity of the key panel 2 and the key spring 200 cavity in the mold is ensured, so that the appearance defects such as notches and pits in the elastic deformation area 202 with uneven thickness can be effectively avoided, and the yield of the product is improved.

[0038] It can be understood that the shell 1 and the key panel 2 are separately arranged, and the two are assembled together after being formed respectively. In the embodiment, the connecting part 201 of the key panel 2 is fixedly connected with the shell 1 to realize the connection between the key panel 2 and the shell 1. The fixed connection between the connecting part 201 of the key panel 2 and the shell 1 can have various implementation manners, such as welding, bonding, fastening connection by fasteners and the like. In the embodiment, the connecting part 201 of the key panel 2 and the inner wall of the shell 1 are fixed by a hot melting process, so that the key panel 2 and the shell 1 are firmly connected, and are avoided from falling off or shaking after being connected. In other embodiments, the connecting part 201 of the key panel 2 and the inner wall of the shell 1 can also be fixed by ultrasonic welding.

[0039] In some embodiments, in order to facilitate the connection of the key panel 2 and the shell 1, as shown in Figure 2 , Figure 5 and Figure 6 , a positioning hole 203 is arranged on the connecting portion 201 of the key panel 2, and a positioning column 101 which is matched with the positioning hole 203 is arranged on the inner wall of the shell 1. The positioning column 101 is inserted and fixed with the positioning hole 203. In this way, when the key panel 2 is connected with the shell 1, the positioning hole 203 on the connecting portion 201 is first matched and inserted with the positioning column 101 on the inner wall of the shell 1, and then the free end of the positioning column 101 is melted and pressed against the connecting portion 201 of the key panel 2 through a hot melting process, so that the connecting portion 201 is fixedly connected on the shell 1, and the installation of the key panel 2 is completed. The assembly is simple and convenient, and the connection of the key panel 2 is firm and stable.

[0040] In the foregoing embodiment, the positioning column 101 is essentially a hot melting column, so that after the positioning hole 203 on the connecting portion 201 of the key panel 2 is sleeved on the positioning column 101, the free end of the positioning column 101 protrudes out of the positioning hole 203, and the protruding part is convenient for hot melting fixation.

[0041] In the present embodiment, in order to make the insertion between the positioning hole 203 of the connecting portion 201 and the positioning column 101 more stable, and make the connection between the connecting portion 201 and the inner wall of the shell 1 more firm after the hot melting of the positioning column 101, in the present embodiment, as shown in Figure 2 and Figure 5 , a plurality of spaced distribution protrusions 102 are arranged on the positioning column 101 in the circumferential direction, and the protrusions 102 are matched with the inner wall of the positioning hole 203. The arrangement of the protrusions 102 on the positioning column 101 makes the engagement between the positioning hole 203 of the connecting portion 201 and the positioning column 101 more firm and stable, and improves the connection stability between the key panel 2 and the shell 1.

[0042] Further in the present embodiment, in order to make the engagement between the connecting portion 201 of the key panel 2 and the inner wall of the shell 1 more close, and also avoid the offset of the connecting portion 201 or the key panel 2 when the positioning column 101 is hot melted. In the present embodiment, as shown in Figure 5 and Figure 7As shown in the drawings, a plurality of positioning grooves 205 are arranged on the side of the connecting portion 201 facing the inner wall of the shell 1, and a plurality of positioning protrusions 103 corresponding to the positioning grooves 205 are arranged on the inner wall of the shell 1. When the positioning holes 203 on the connecting portion 201 of the key panel 2 are inserted into the positioning columns 101 on the shell 1 and the connecting portion 201 is attached to the inner wall of the shell 1, the positioning grooves 205 on the connecting portion 201 are inserted into the positioning protrusions 103 on the inner wall of the shell 1. Thus, the connecting portion 201 and the inner wall of the shell 1 are more tightly attached, and the connecting portion 201 is prevented from moving relative to the shell 1 when the positioning columns 101 are heat-fused to fix the connecting portion 201 of the key panel 2. Thus, the key panel 2 and the shell 1 are more accurately attached.

[0043] In the embodiment, the key area 100 is a notch or a square-shaped through hole arranged on the shell 1. After the connecting portion 201 of the key panel 2 is fixedly connected to the inner wall of the shell 1, the deformed area of the key panel 2 is located below the shell 1 and does not expose the key area 100. Thus, the deformed area of the key panel 2 is hidden below the shell 1 and does not expose the key area 100, so that the appearance of the hand controller is good and the structure is compact.

[0044] It can be understood that, in the embodiment, the key area 100 is a square-shaped through hole with a closed periphery, and the key elastic sheets 200 of the key panel 2 are arranged on the same side of the connecting portion 201 and extend into the hollow key area 100. Thus, the elastic range of the side of the key elastic sheets 200 away from the connecting portion 201 is large. Figure 5 、 Figure 6 and Figure 7 As shown in the drawings, the free end of the key elastic sheet 200 is connected to a limiting block 204, and the limiting block 204 abuts against the inner wall of the shell 1 to prevent the free end of the key elastic sheet 200 from being separated from the key area 100. The limiting block 204 is arranged to abut against the inner wall of the shell 1 when the free end of the key elastic sheet 200 is rebounded, so as to prevent the free end of the key elastic sheet 200 from being separated from the key area 100 when rebounded. Thus, the key panel 2 and the shell 1 are more tightly attached, and the structure is stable.

[0045] In the description of the embodiments of the present application, it should be noted that, in the description of the present application, the terms indicating the direction or position relationship are based on the direction or position relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0046] In the description of the application, the description of the terms "one embodiment", "some embodiments", "in this embodiment", "specific example", or "some examples" and the like means that the specific features, mechanisms, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the description, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0047] The above description is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A hand controller characterized by: The application relates to a key panel and a shell which are separately arranged, the shell is provided with a hollow key area, the key panel comprises a connecting part and at least one key spring connected with the connecting part, an elastic deformation area is arranged between each key spring and the connecting part, and the key spring is arranged in the key area; the connecting part is fixedly connected with the shell and used for keeping the key spring in the key area.

2. The hand controller of claim 1, wherein: A positioning hole is arranged on the connecting part, a positioning column which is matched with the positioning hole is arranged on the inner wall of the shell, and the positioning column is fixedly connected with the positioning hole through insertion.

3. The hand controller of claim 2, wherein: The positioning column is provided with a plurality of convex ribs which are spaced apart in the circumferential direction, and the convex ribs are matched with the inner wall of the positioning hole.

4. The hand controller of claim 1, wherein: A plurality of positioning grooves are arranged on the side of the connecting part which faces the inner wall of the shell, and a positioning convex is arranged on the inner wall of the shell and is inserted into the positioning groove.

5. The hand controller of claim 1, wherein: The deformation area is arranged below the shell and does not expose the key area.

6. The hand controller of any of claims 1-5, wherein: The connecting part and the inner wall of the shell are fixedly connected through hot melting or ultrasonic welding.

7. The hand controller of claim 2, wherein: The free end of the positioning column is fixedly connected with the connecting part on the shell after hot melting.

8. The hand controller of claim 1, wherein: The key springs are a plurality of and are sequentially arranged along the length direction of the key panel, and gaps are arranged between two adjacent key springs and two adjacent elastic deformation areas.

9. The hand controller of claim 1, wherein: The free end of the key spring is connected with a limiting block, the limiting block is matched with the inner wall of the shell, and the limiting block is used for preventing the free end of the key spring from being separated from the key area.

10. The hand controller of claim 1, wherein: The connecting part, the key spring and the elastic deformation area are integrally injection molded, and the thickness of the elastic deformation area is smaller than the thickness of the connecting part.

Images