A drive assembly

Abstract

The utility model discloses a driving assembly, including a casing and a rotating component arranged in the casing, a heat dissipation cover is installed on the casing, a plurality of extrusion grooves are arranged on the outer wall of the casing, a positioning block is arranged in the extrusion groove through an extrusion mechanism, a positioning hole corresponding to the positioning block is arranged on the heat dissipation cover, a circular ring is arranged on the side of the casing, the circular ring is connected to the heat dissipation cover through a mounting mechanism, an annular cavity is arranged inside the circular ring, a micro motor is arranged in the annular cavity, a transmission ring is arranged inside the circular ring, a screw is arranged inside the circular ring, and the transmission ring is connected to the micro motor through a rotating mechanism. The utility model arranges components such as a circular ring, a limiting wheel, a transmission ring, a screw and a transmission gear, and the driving assembly is provided with a limiting component used in conjunction with a rotating shaft, which effectively avoids the occurrence of deflection events, thereby avoiding the occurrence of events that aggravate wear and reduce service life due to deflection.

Description

Technical Field

[0001] The utility model relates to the technical field of drive assemblies, in particular to a drive assembly. Background Art

[0002] The disc separator is a type of sedimentation centrifuge, which is used to separate materials that are difficult to separate (such as suspensions composed of viscous liquids and fine solid particles or emulsions composed of liquids with similar densities, etc.). The disc separator is the most widely used sedimentation centrifuge among separators.

[0003] The drive assembly on the butterfly separator has the following problems in the prior art: the motor assembly lacks a limit assembly for the shaft assembly, and the shaft assembly is very likely to deflect during use, resulting in increased wear and tear, thereby reducing the service life of the motor. In order to change the status quo and enrich the structure of the drive assembly of the butterfly separator, a drive assembly is proposed herein. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a drive assembly.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A driving assembly comprises a casing and a rotating component arranged in the casing, wherein a heat dissipation cover is installed on the casing, a plurality of extrusion grooves are arranged on the outer wall of the casing, positioning blocks are arranged in the extrusion grooves through an extrusion mechanism, and positioning holes corresponding to the positioning blocks are arranged on the heat dissipation cover, a circular ring is arranged on the side of the casing, the circular ring is connected to the heat dissipation cover through a mounting mechanism, an annular cavity is arranged inside the circular ring, a micro motor is arranged in the annular cavity, a transmission ring is arranged inside the circular ring, a screw is arranged inside the circular ring, the transmission ring is connected to the micro motor through a rotating mechanism, the screw is connected to the transmission ring through a transmission mechanism, a limiting wheel is arranged on the outer wall of the circular ring, and the limiting wheel is connected to the screw through a connection mechanism.

[0007] Preferably, the extrusion mechanism comprises a spring arranged in the extrusion groove, and two ends of the spring are elastically connected to the outer wall of the positioning block and the inner wall of the extrusion groove respectively.

[0008] Preferably, the mounting mechanism comprises a connecting rod connected to the circular ring, the connecting rod is provided with a fixing hole corresponding to the positioning block, and the side wall of the heat dissipation cover is provided with a connecting groove corresponding to the connecting rod and connected to the positioning hole.

[0009] Preferably, the rotating mechanism comprises a driving gear arranged on the output shaft of the micro motor, and a side gear ring meshing with the driving gear is mounted on the transmission ring.

[0010] Preferably, the transmission mechanism comprises a transmission gear arranged on the screw rod, and the transmission ring is provided with an upper gear ring meshing with the transmission gear.

[0011] Preferably, the connection mechanism comprises a connection frame threadedly mounted on the screw rod, and the limiting wheel is rotatably connected to the connection frame.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting components such as a circular ring, a limiting wheel, a transmission ring, a screw and a transmission gear, the drive assembly is provided with a limiting component used in conjunction with the rotating shaft, which effectively avoids the occurrence of deflection events, thereby avoiding the occurrence of events such as increased wear and reduced service life due to deflection.

[0014] 2. By arranging the heat dissipation cover, connecting rod, positioning block and fixing hole, the limit assembly and the heat dissipation cover of the drive assembly can be conveniently disassembled and installed, thus ensuring the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a left-side structural schematic diagram of a drive assembly proposed by the utility model;

[0016] Figure 2 for Figure 1 A right view structural diagram of ;

[0017] Figure 3 It is a schematic diagram of the top view of the internal components of the ring;

[0018] Figure 4 for Figure 3 A schematic diagram of the structure at A;

[0019] Figure 5 It is a schematic diagram of the structure of components such as positioning blocks and positioning holes;

[0020] Figure 6 for Figure 5 An enlarged schematic diagram of the structure at location B.

[0021] In the figure: 1 housing, 2 heat dissipation cover, 3 ring, 4 limiting wheel, 5 connecting frame, 6 connecting rod, 7 connecting groove, 8 positioning hole, 9 annular cavity, 10 transmission ring, 11 screw, 12 upper gear ring, 13 side gear ring, 14 transmission gear, 15 driving gear, 16 extrusion groove, 17 positioning block, 18 spring, 19 fixing hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-6 A driving assembly includes a housing 1 and a rotating assembly arranged in the housing 1, a heat dissipation cover 2 is installed on the housing 1, a plurality of extrusion grooves 16 are arranged on the outer wall of the housing 1, a positioning block 17 is arranged in the extrusion groove 16 through an extrusion mechanism, a positioning hole 8 corresponding to the positioning block 17 is arranged on the heat dissipation cover 2, a circular ring 3 is arranged on the side of the housing 1, the circular ring 3 is connected to the heat dissipation cover 2 through an installation mechanism, an annular cavity 9 is arranged inside the circular ring 3, a micro motor is arranged in the annular cavity 9, a transmission ring 10 is arranged in the circular ring 3, and the arc-shaped outer wall of the transmission ring 10 is in sliding contact with the arc-shaped inner wall of the annular cavity 9, so as to Figure 3 For reference, the bottom wall of the transmission ring 10 is in sliding contact with the inner bottom wall of the annular cavity 9, and the upper end surface is limited by the transmission gear 14, so the transmission ring 10 can only rotate but not move in the annular cavity 9.

[0024] A screw 11 is arranged inside the ring 3, the transmission ring 10 is connected to the micro motor through a rotating mechanism, the screw 11 is connected to the transmission ring 10 through a transmission mechanism, a limiting wheel 4 is arranged on the outer wall of the ring 3, and the limiting wheel 4 is connected to the screw 11 through a connecting mechanism.

[0025] The extrusion mechanism includes a spring 18 arranged in the extrusion groove 16 , and two ends of the spring 18 are elastically connected to the outer wall of the positioning block 17 and the inner wall of the extrusion groove 16 respectively. The spring 18 can squeeze the positioning block 17 into the positioning hole 8 .

[0026] The mounting mechanism includes a connecting rod 6 connected to the ring 3, and a fixing hole 19 corresponding to the positioning block 17 is provided on the connecting rod 6. The side wall of the heat dissipation cover 2 is provided with a connecting groove 7 corresponding to the connecting rod 6 and connected to the positioning hole 8. The connecting rod 6 enters one of the positioning holes 8, and the positioning block 17 passes through the fixing hole 19 and is located in the positioning hole 8.

[0027] The rotating mechanism includes a driving gear 15 arranged on the output shaft of the micro motor. A side gear ring 13 meshing with the driving gear 15 is installed on the transmission ring 10. The driving gear 15 cooperates with the side gear ring 13 to realize power transmission of the micro motor.

[0028] The transmission mechanism includes a transmission gear 14 arranged on the screw 11 , and an upper gear ring 12 meshing with the transmission gear 14 is provided on the transmission ring 10 . The transmission gear 14 cooperates with the upper gear ring 12 to transmit the power of the micro motor to the screw 11 .

[0029] The connection mechanism includes a connection frame 5 threadedly mounted on the screw 11, and the limiting wheel 4 is rotatably connected to the connection frame 5. The connection frame 5 is U-shaped and slides through the inner wall of the annular cavity 9 and extends to the outside of the ring 3. Therefore, it has its own limit and will not rotate with the screw 11.

[0030] The utility model Figure 1In the state shown, multiple limiting wheels 4 realize the limiting of the rotating shaft assembly, avoiding the occurrence of aggravated wear of the electric rotating shaft caused by the deviation of the rotating shaft, thereby ensuring the service life of the butterfly separator drive assembly. Specifically: start the micro motor to drive the active gear 15 to rotate, the active gear 15 cooperates with the side gear ring 13 to drive the transmission ring 10 to rotate, the transmission ring 10 cooperates with the upper gear ring 12 and the transmission gear 14 to drive the screw 11 to rotate, and when the screw 11 rotates, the connecting frame 5 on it can drive the limiting wheel 4 to move close to the rotating shaft assembly on the drive assembly.

[0031] By pressing the positioning block 17 in the positioning hole 8, the positioning block 17 can compress the spring 18 and disengage from the positioning hole 8 and the fixing hole 19, thereby limiting the heat dissipation cover 2 and the ring 3 components, and facilitating disassembly for inspection, maintenance or replacement of some components.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drive assembly, comprising a housing (1) and a rotating assembly arranged in the housing (1), characterized in that: A heat dissipation cover (2) is mounted on the casing (1). A plurality of extrusion grooves (16) are mounted on the outer wall of the casing (1). Positioning blocks (17) are mounted in the extrusion grooves (16) through an extrusion mechanism. Positioning holes (8) corresponding to the positioning blocks (17) are mounted on the heat dissipation cover (2). A circular ring (3) is mounted on the side of the casing (1). The circular ring (3) is connected to the heat dissipation cover (2) through an installation mechanism. An annular cavity (9) is mounted inside the circular ring (3). A micro motor is mounted inside the annular cavity (9). A transmission ring (10) is mounted inside the circular ring (3). A screw rod (11) is mounted inside the circular ring (3). The transmission ring (10) is connected to the micro motor through a rotating mechanism. The screw rod (11) is connected to the transmission ring (10) through a transmission mechanism. A limiting wheel (4) is mounted on the outer wall of the circular ring (3). The limiting wheel (4) is connected to the screw rod (11) through a connection mechanism.

2. A drive assembly according to claim 1, characterized in that: The extrusion mechanism comprises a spring (18) arranged in the extrusion groove (16), and two ends of the spring (18) are elastically connected to the outer wall of the positioning block (17) and the inner wall of the extrusion groove (16) respectively.

3. A drive assembly according to claim 2, characterized in that: The mounting mechanism comprises a connecting rod (6) connected to the circular ring (3), the connecting rod (6) being provided with a fixing hole (19) corresponding to the positioning block (17), and the side wall of the heat dissipation cover (2) being provided with a connecting groove (7) corresponding to the connecting rod (6) and communicating with the positioning hole (8).

4. A drive assembly according to claim 3, characterized in that: The rotating mechanism comprises a driving gear (15) arranged on the output shaft of the micro motor, and a side gear ring (13) meshing with the driving gear (15) is installed on the transmission ring (10).

5. A drive assembly according to claim 4, characterized in that: The transmission mechanism comprises a transmission gear (14) arranged on a screw rod (11), and the transmission ring (10) is provided with an upper gear ring (12) meshing with the transmission gear (14).

6. A drive assembly according to claim 5, characterized in that: The connection mechanism comprises a connection frame (5) threadedly mounted on a screw rod (11), and the limiting wheel (4) is rotatably connected to the connection frame (5).

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