Electric propulsion device for low-voltage drawer

Abstract

The utility model relates to low-voltage drawer type switch equipment, in particular to a low-voltage drawer electric propulsion device. Comprising a first support; the first rotating shaft is rotationally connected to the first support, the axial direction of the first rotating shaft is the X direction, and the X-direction end of the first rotating shaft is provided with a limiting hole used for limiting connection of the handle; the transmission screw rod is coaxially connected to the middle part of the first rotating shaft; the first gear is coaxially connected to the lower portion of the rotating shaft in a sleeving mode and located on the X-direction side of the transmission screw. The second gear is rotationally connected to the first support, and the second gear is meshed with the first gear; a second bracket; and the like; the electric drive and clutch mechanism is independently installed on the second support and is independent of an original manual drive module, the electric drive and clutch mechanism can be selected and matched according to requirements, after-installation of the electric drive and clutch mechanism is achieved, and switching of electric drive and manual drive of the low-voltage switch drawer can be achieved through a simple mechanical structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure drawer type switch equipment, concretely relates to a low pressure drawer electric propulsion device. BACKGROUND

[0002] The Chinese patent with the authorization announcement number CN208226433U discloses a low pressure drawer propulsion interlock device, and the structure comprises a transmission screw rod for driving the positioning disc to rotate, the transmission screw rod is provided with a transmission part for driving the drawer to move, one end of the transmission screw rod is used for being connected with a handle, and the other end is provided with a limiting mechanism for limiting the drawer after reaching the position.

[0003] In the above patent scheme, the electric drive of the transmission screw rod cannot be realized. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that a low pressure drawer electric propulsion device is provided, and the electric drive and the manual drive of the low pressure switch drawer can be switched through simple mechanical structure.

[0005] In order to solve the above technical problem, the technical scheme adopted by the utility model is:

[0006] A low pressure drawer electric propulsion device comprises:

[0007] A first support;

[0008] A first rotating shaft, which is rotationally connected to the first support, the axial direction of the first rotating shaft is X direction, and the X direction end of the first rotating shaft is provided with a limiting hole for limiting connection of the handle;

[0009] A transmission screw rod, which is coaxially connected to the middle part of the first rotating shaft;

[0010] A first gear, which is coaxially connected to the low rotating shaft, and is located on the X direction side of the transmission screw rod;

[0011] A second gear, which is rotationally connected to the first support, and is engaged with the first gear;

[0012] A second support;

[0013] A second rotating shaft, which is rotationally connected to the second support, the axial direction of the second rotating shaft is X direction, the X direction reverse end of the second rotating shaft is provided with a conical connecting part, and the conical surface of the conical connecting part is a frosted surface;

[0014] A third gear coaxially connected to the second rotating shaft;

[0015] A sliding seat connected to the second support through X-direction guide rail sliding fit;

[0016] A linear movement driving member connected between the second support and the sliding seat for driving the sliding seat to move;

[0017] A reduction motor connected to the sliding seat, the output shaft of the reduction motor coaxially arranged with the second rotating shaft, the X-direction end of the output shaft being provided with a conical groove matched with the conical connecting part, the conical surface of the conical groove being a frosted surface;

[0018] In the combined state, the third gear is engaged with the second gear.

[0019] Further, in the low-voltage drawer electric propulsion device structure, the X-direction surface of the second gear is provided with an indicator disc, and the indicator disc is marked with an indicator for indicating the position of the drawer.

[0020] Further, in the low-voltage drawer electric propulsion device structure, the first support includes a baffle arranged on the X-direction side of the second gear, and the baffle is provided with a hollow part corresponding to the position of one indicator.

[0021] Further, in the low-voltage drawer electric propulsion device structure, the limiting hole is a hexagonal hole, a cross hole or a straight hole.

[0022] Further, in the low-voltage drawer electric propulsion device structure, the linear movement driving member is a pneumatic cylinder, an electric cylinder or a hydraulic cylinder.

[0023] The beneficial effects of the utility model lie in that the electric driving and clutch mechanism is separately installed on the second support, is independent of the original manual driving module, can be selected according to requirements, realizes the after-installation of the electric driving and clutch mechanism, the clutch mechanism adopts the conical matching structure of the shaft end, realizes the clutch control of the conical matching structure by the linear movement driving member driving the sliding block to move, and the manual rotation process does not cause the linkage of the reduction motor when the electric driving mode is switched to the manual driving mode. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a first perspective view of the structure of a low-voltage drawer electric propulsion device according to the embodiment of the utility model;

[0025] Figure 2 It is a first perspective view of the structure of a low-voltage drawer electric propulsion device according to the embodiment of the utility model; Figure 1

[0026] Figure 3 It is a second perspective view of the structure of a low-voltage drawer electric propulsion device according to the embodiment of the utility model;​

[0027] Figure 4 For Figure 3 The B part enlarged view of the figure;

[0028] Figure 5 For the third view of a low-voltage drawer electric propulsion device of the embodiment of the utility model structure schematic drawing;

[0029] Figure 6 For the second rotating shaft and output shaft structure schematic drawing of a low-voltage drawer electric propulsion device of the embodiment of the utility model;

[0030] Label explanation:

[0031] 1, first support;101, hollow part;

[0032] 2, first rotating shaft;21, limit hole;

[0033] 3, transmission screw;

[0034] 4, first gear;

[0035] 5, second gear;51, indicating disc;

[0036] 6, second support;

[0037] 7, second rotating shaft;71, conical connecting part;

[0038] 8, third gear;

[0039] 9, sliding seat;

[0040] 10, X direction guide rail;

[0041] 11, speed reducer motor;111, output shaft;112, conical groove;

[0042] 12, linear movement driving part;

[0043] 13, drawer cabinet bottom plate;131, screw groove seat;

[0044] 14, drawer body;141, avoiding hole. Specific embodiments

[0045] For the purpose of explaining the technical content of the utility model, the purpose and effect realized, the following will be explained in conjunction with the drawings.

[0046] Please refer to Figures 1 to 6 The embodiment of the utility model relates to a kind of low-voltage drawer electric propulsion device, comprising:

[0047] First support 1;

[0048] A first rotating shaft 2 is rotationally connected to the first support 1, and the axial direction of the first rotating shaft 2 is the X direction, and the X direction end of the first rotating shaft 2 is provided with a limiting hole 21 for limiting connection of a handle;

[0049] A transmission screw 3 is coaxially connected to the middle part of the first rotating shaft 2;

[0050] A first gear 4 is coaxially connected to the lower rotating shaft, and the first gear 4 is located on the X direction side of the transmission screw 3;

[0051] A second gear 5 is rotationally connected to the first support 1, and the second gear 5 is engaged with the first gear 4;

[0052] A second support 6 is provided;

[0053] A second rotating shaft 7 is rotationally connected to the second support 6, and the axial direction of the second rotating shaft 7 is the X direction, and the X direction reverse end of the second rotating shaft 7 is provided with a tapered connecting part 71, and the tapered surface of the tapered connecting part 71 is an abrasive surface;

[0054] A third gear 8 is coaxially connected to the second rotating shaft 7;

[0055] A sliding seat 9 is slidingly connected to the second support 6 through an X direction guide rail 10;

[0056] A linear movement driving member 12 is connected between the second support 6 and the sliding seat 9, and is used for driving the sliding seat 9 to move;

[0057] A speed reduction motor 11 is connected to the sliding seat 9, and the output shaft 111 of the speed reduction motor 11 is coaxial with the second rotating shaft 7, and the X direction end of the output shaft 111 is provided with a tapered groove 112 matched with the tapered connecting part 71, and the tapered surface of the tapered groove 112 is an abrasive surface;

[0058] In the combined state, the third gear 8 is engaged with the second gear 5.

[0059] In the above embodiment, the drawer cabinet bottom plate 13 is provided with a screw groove seat 131 matched with the transmission screw 3, the drawer body 14 bottom plate is provided with an avoiding hole 141 for avoiding the transmission screw 3, and the first support 1 and the second support 6 are both provided with a connecting hole for being connected to the drawer body 14 bottom plate; in the assembled state, the first support 1 and the second support 6 are detachably connected to the upper part of the drawer body 14 bottom plate through bolts, so that the transmission screw 3 is located at the avoiding hole 141, and the third gear 8 is engaged with the second gear 5; when the drawer body 14 is installed to the drawer cabinet bottom plate 13, the screw groove of the transmission screw 3 and the screw groove seat 131 is matched;

[0060] When the drawer needs to be driven electrically, the reduction motor 11 is driven by the linear movement driving part 12 to move in the X direction, so that the tapered groove 112 of the output shaft 111 and the tapered connecting part 71 of the second rotating shaft 7 are matched, the third gear 8 is driven to rotate by the reduction motor 11, the first rotating shaft 2 and the transmission screw 3 are driven to rotate through the transmission of the second gear 5 and the first gear 4, the relative displacement of the transmission screw 3 relative to the screw groove seat 131 is caused, the relative displacement of the drawer body 14 and the drawer cabinet bottom plate 13 is caused, and thus the electric driving of the drawer body 14 is realized; when the manual driving needs to be switched, the reduction motor 11 is driven by the linear movement driving part 12 to move reversely in the X direction, so that the tapered groove 112 of the output shaft 111 and the tapered connecting part 71 of the second rotating shaft 7 are disengaged, the handle with the plug-in part matched with the limiting hole 21 is inserted into the limiting hole 21, the first rotating shaft 2 is driven to rotate by the handle, and thus the transmission screw 3 is driven to rotate, and the manual driving of the drawer is realized; the manual rotation process does not cause the linkage of the reduction motor 11.

[0061] With reference to Figure 6 , the output shaft 111 of the reduction motor 11 and the second rotating shaft 7 are matched by the tapered matching structure with the frosted surface, so that the frictional contact area of the two is increased in the matching state, and the transmission slip phenomenon is avoided.

[0062] As a preferred embodiment, the X direction surface of the second gear 5 is provided with an indicating disc 51, and the indicating disc 51 is marked with an indicating mark for indicating the position of the drawer.

[0063] As a preferred embodiment, the first support 1 includes a baffle provided on the X direction side of the second gear 5, and the baffle is provided with a hollow part 101 corresponding to the position of one indicating mark.

[0064] In the above embodiment, when the indicating mark on the indicating disc 51 is rotated to the position of the hollow part 101, it represents that the drawer body 14 is in the state indicated by the indicating mark.

[0065] As a preferred embodiment, the limiting hole 21 is a hexagonal hole, a cross hole or a straight hole, and preferably is a hexagonal hole, with reference to Figure 5 .

[0066] As a preferred embodiment, the linear movement driving part 12 is a pneumatic cylinder, an electric cylinder or a hydraulic cylinder.

[0067] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the present application is also included in the patent protection range of the present application.

Claims

1. A low voltage drawer motor propulsion device characterized by, The utility model relates to a drawer combination mechanism, including: First support; First rotating shaft, the first rotating shaft rotation is connected with first support, the axial direction of first rotating shaft is X direction, and the X direction end of first rotating shaft is equipped with the limiting hole for handle limiting connection; Transmission screw rod, the transmission screw rod coaxial connection is in the middle part of first rotating shaft; First gear, the first gear coaxial sleeve connection is in the lower rotating shaft, and first gear is located in the X direction side of transmission screw rod; Second gear, the second gear rotation is connected with first support, and second gear is engaged in first gear; Second support; Second rotating shaft, the second rotating shaft rotation is connected with second support, the axial direction of second rotating shaft is X direction, and the X direction reverse end of second rotating shaft is equipped with the taper connection part, and the taper surface of taper connection part is frosted surface; Third gear, the third gear coaxial connection is in second rotating shaft; Sliding seat, the sliding seat is slidably connected with second support through X direction guide rail; Linear movement drive part, the linear movement drive part is connected between second support and sliding seat, is used for driving sliding seat to move; Speed reduction motor, the speed reduction motor is connected with sliding seat, and the output shaft of speed reduction motor is coaxial with second rotating shaft, and the X direction end of output shaft is equipped with the taper groove matched with taper connection part, and the taper surface of taper groove is frosted surface; Combination state, third gear is engaged with second gear.

2. The low-voltage drawer power propulsion apparatus of claim 1, wherein, The X direction surface of second gear is equipped with indicating disc, and the indicating disc is marked with indicating mark for identifying the position of drawer.

3. A low voltage drawer power propulsion device according to claim 2, characterized in that, First support includes the baffle of setting in the X direction side of second gear, and the baffle is equipped with hollow part to the position of one indicating mark.

4. The low-voltage drawer power propulsion apparatus of claim 1, wherein, The limiting hole is interior hexagon hole, cross hole or a word hole.

5. The low voltage drawer power propulsion device of claim 1, wherein, The linear movement drive part is air cylinder, electric cylinder or hydraulic cylinder.

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