Lead screw bearing for electric automobile

Abstract

The utility model relates to the technical field of lead screw bearings, in particular to a lead screw bearing for an electric automobile, which mainly comprises a transmission lead screw, the outer side of the transmission lead screw is in threaded connection with a first rotating shaft clamping block, one end of the first rotating shaft clamping block is fixedly connected with a second rotating shaft clamping block, and inserting assemblies are fixedly connected to the front end and the rear end of the first rotating shaft clamping block. Positioning assemblies are fixedly installed at the front end and the rear end of the second rotating shaft clamping block, the outer side of the second rotating shaft clamping block is sleeved with a fastening assembly, each positioning assembly comprises a second fixing plate, the second fixing plates are fixedly installed at the front end and the rear end of the second rotating shaft clamping block, and an inserting groove is formed in the middle of the inner side of each second fixing plate. According to the lead screw bearing for the electric vehicle, the first rotating shaft clamping block and the second rotating shaft clamping block are in butt joint, then the inserting assembly is inserted into the positioning assembly for primary positioning, and after positioning, connection and fixation are conducted through the fastening assembly on the outer side, so that the dismounting and mounting positions are reduced, the mounting and dismounting speed is increased, and then the use efficiency of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lead screw bearings, in particular to a lead screw bearing for electric vehicles. Background Technique

[0002] The lead screw bearing for electric vehicles is a high-precision mechanical transmission component used to convert rotational motion into linear motion, and is widely used in key parts such as the steering system and braking system of new energy vehicles. In electric vehicles, ball screws are usually applied to the braking system, braking system and steering system.

[0003] During the use of the above equipment, the lead screw plays an important role through a precise rotational connection mechanism. When the equipment runs for a long time, internal components will inevitably accumulate dust and impurities, which will increase the maintenance difficulty of the equipment and may also have a negative impact on the service life of the device. The fixed installation method is not only cumbersome but also time-consuming during frequent disassembly and cleaning, thereby reducing the use efficiency of the bearing and affecting the reliability and stability of the entire equipment. Therefore, it is necessary to optimize and improve this. Content of the Utility Model

[0004] The purpose of the utility model is to provide a lead screw bearing for electric vehicles to solve the problem that the disassembly of the bearing becomes cumbersome due to the fixed installation method in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lead screw bearing for electric vehicles, comprising:

[0007] A transmission lead screw, on the outer side of which a rotating shaft clamp block one is threadedly connected, and one end of the rotating shaft clamp block one is fixedly connected with a rotating shaft clamp block two;

[0008] A plugging component, which is fixedly connected to the front and rear ends of the rotating shaft clamp block one. Positioning components are fixedly installed at the front and rear ends of the rotating shaft clamp block two, and a fastening component is sleeved on the outer side of the rotating shaft clamp block two. The positioning component includes a fixing plate two, and the fixing plate two is fixedly installed at the front and rear ends of the rotating shaft clamp block two. An insertion slot is opened in the middle of the inner side of the fixing plate two. The docking of the plugging component and the positioning component initially positions the rotating shaft clamp block one and the rotating shaft clamp block two;

[0009] A clamping and fixing component, which is fixedly connected to the top wall of the rotating shaft clamp block one, and a cleaning component is fixedly connected to the inner side of the clamping and fixing component. The clamping and fixing component connects and positions the cleaning component inside.

[0010] Preferably, the plugging component includes a fixing plate one, and the fixing plate one is fixedly installed on the front and rear sides of the rotating shaft clamp block one, and a plugging head is fixedly connected to the inner side of the fixing plate one.

[0011] Preferably, guiding holes are formed in the upper and lower inner walls of the second fixing plate, a pushing rod penetrates through the guiding holes, an extrusion spring is sleeved on the outer side of the pushing rod, and a limiting clamping block is fixedly connected to the inner side of the pushing rod.

[0012] Preferably, the fastening assembly includes a hoop which is sleeved on the outer side of the second rotating shaft clamping block, and a fixing screw is threadedly connected inside the hoop.

[0013] Preferably, the clamping and fixing assembly includes an inner arc clamping block which is fixedly installed at the top end of the first rotating shaft clamping block, and a positioning screw rod is threadedly connected to the inner side of the inner arc clamping block.

[0014] Preferably, the cleaning assembly includes a fixing ring which is clamped inside the inner arc clamping block, a cleaning cotton ring is fixed to the inner side of the fixing ring, and a positioning and mounting member is fixedly connected to the top end of the cleaning cotton ring.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] Through the docking of the first rotating shaft clamping block and the second rotating shaft clamping block, and then the plugging assembly is plugged into the positioning assembly for preliminary positioning. After positioning, the fastening assembly on the outer side is used for connection and fixation, reducing the disassembly and assembly positions, improving the disassembly and assembly speed, and further improving the use efficiency of the equipment;

[0017] The cleaning assembly is plugged and positioned through the clamping and fixing assembly at the top, with double connection positions fixed, and it can be disassembled and assembled according to the actual use environment, improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural diagram of the utility model;

[0019] Figure 2 is a partial separated three-dimensional structural diagram of the utility model;

[0020] Figure 3 is a partial separated three-dimensional structural diagram of the plugging assembly and the positioning assembly of the utility model;

[0021] Figure 4 is a partial separated three-dimensional structural diagram of the clamping and fixing assembly and the cleaning assembly of the utility model.

[0022] In the figure:

[0023] 1, transmission lead screw; 2, first rotating shaft clamping block; 3, second rotating shaft clamping block;

[0024] 4, plugging assembly; 401, first fixing plate; 402, plugging head;

[0025] 5. Positioning component; 501. Second fixing plate; 502. Insertion slot; 503. Guide hole; 504. Push rod; 505. Extrusion spring; 506. Limit clamping block;

[0026] 6. Fastening component; 601. Hoop; 602. Fixing screw;

[0027] 7. Clamping and fixing component; 701. Inner arc clamping block; 702. Positioning screw;

[0028] 8. Cleaning component; 801. Fixed ring; 802. Cleaning cotton ring; 803. Positioning and mounting part. Detailed implementation manners

[0029] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0031] As Figures 1-4 shown, the present application provides a lead screw bearing for an electric vehicle, including:

[0032] A transmission lead screw 1, an outer side of the transmission lead screw 1 is threadedly connected with a first rotating shaft clamping block 2, and one end of the first rotating shaft clamping block 2 is fixedly connected with a second rotating shaft clamping block 3;

[0033] An insertion component 4, the insertion component 4 is fixedly connected to the front and rear ends of the first rotating shaft clamping block 2,

[0034] Specifically, as Figure 3 shown, the insertion component 4 includes a first fixing plate 401, and the first fixing plate 401 is fixedly installed on the front and rear sides of the first rotating shaft clamping block 2, and an insertion head 402 is fixedly connected to the inner side of the first fixing plate 401;

[0035] In this embodiment: The first fixing plate 401 is connected to the insertion head 402 and fixed at both ends of the first rotating shaft clamping block 2.

[0036] Positioning components 5 are fixedly installed at the front and rear ends of the second rotating shaft clamping block 3,

[0037] Specifically, as Figure 3As shown in the figure, guide holes 503 are provided inside the upper and lower walls of the second fixing plate 501, and a push rod 504 penetrates through the inside of the guide holes 503. An extrusion spring 505 is sleeved outside the push rod 504, and a limit clamping block 506 is fixedly connected to the inner side of the push rod 504;

[0038] In this embodiment: The insertion slot 502 inside the second fixing plate 501 is arranged to match the plug connector 402. Then, the limit clamping block 506 inside can initially clamp the plug connector 402, and under the adjustment of the extrusion spring 505 and the push rod 504, it can be directly loosened.

[0039] Moreover, a fastening component 6 is sleeved outside the second rotating shaft clamping block 3. The positioning component 5 includes the second fixing plate 501, and the second fixing plate 501 is fixedly installed at the front and rear ends of the second rotating shaft clamping block 3. An insertion slot 502 is provided in the middle of the inner side of the second fixing plate 501. The docking of the insertion component 4 and the positioning component 5 initially positions the first rotating shaft clamping block 2 and the second rotating shaft clamping block 3;

[0040] Specifically, as Figure 2 shown, the fastening component 6 includes a hoop 601, and the hoop 601 is sleeved outside the second rotating shaft clamping block 3. A fixing screw 602 is threadedly connected inside the hoop 601;

[0041] In this embodiment: The hoop 601 is annularly clamped outside the first rotating shaft clamping block 2 and the second rotating shaft clamping block 3, and is connected and fastened by the fixing screw 602.

[0042] The clamping and fixing component 7 is fixedly connected to the top wall of the first rotating shaft clamping block 2,

[0043] Specifically, as Figure 4 shown, the clamping and fixing component 7 includes an inner arc clamping block 701, and the inner arc clamping block 701 is fixedly installed at the top of the first rotating shaft clamping block 2. A positioning screw 702 is threadedly connected inside the inner arc clamping block 701;

[0044] In this embodiment: An arc is provided inside the inner arc clamping block 701, which can be arranged to be clamped and fixed in matching with the cleaning component 8, and is fastened and installed by the positioning screw 702.

[0045] Moreover, a cleaning component 8 is fixedly connected to the inner side of the clamping and fixing component 7, and the clamping and fixing component 7 connects and positions the cleaning component 8 inside;

[0046] Specifically, as Figure 4 shown, the cleaning component 8 includes a fixing ring 801, and the fixing ring 801 is clamped inside the inner arc clamping block 701. A cleaning cotton ring 802 is fixed inside the fixing ring 801, and a positioning and installation part 803 is fixedly connected to the top of the cleaning cotton ring 802;

[0047] In this embodiment: A cleaning cotton ring 802 is sleeved inside a fixing ring 801, and a positioning and mounting member 803 is used to connect and fix the fixing ring 801.

[0048] In this embodiment: Through the docking of the first rotating shaft clamp 2 and the second rotating shaft clamp 3, and then the plugging component 4 is plugged inside the positioning component 5 for preliminary positioning. After positioning, it is connected and fixed by the fastening component 6 on the outside, reducing the disassembly and assembly positions, improving the disassembly and assembly speed, and thus improving the use efficiency of the device. The top is plugged and positioned for the cleaning component 8 through the clamping and fixing component 7. With double connection position fixation, it can be disassembled and assembled according to the actual use environment, improving the practicability of the device.

[0049] Specifically, this solution is as follows: First, a fixing plate one 401 is connected to a plug connector 402 and fixed at both ends of the first rotating shaft clamp 2. A fixing plate two 501 is fixed at both ends of the second rotating shaft clamp 3. The plugging slot 502 inside the fixing plate two 501 is arranged to match the plug connector 402. Then, the inner limiting block 506 can initially clamp the plug connector 402. Under the adjustment of the compression spring 505 and the push rod 504, it can be directly loosened, enabling the first rotating shaft clamp 2 and the second rotating shaft clamp 3 to be installed as a whole after approaching each other, facilitating cooperation with the transmission lead screw 1. The outer hoop 601 is annularly clamped outside the first rotating shaft clamp 2 and the second rotating shaft clamp 3 and is connected and fastened by fixing screws 602. The inner arc clamping block 701 at the top is provided with an arc inside and can be arranged to match the cleaning component 8 for clamping and fixing, and is fastened and installed by a positioning screw 702. A cleaning cotton ring 802 is sleeved inside a fixing ring 801, and a positioning and mounting member 803 is used to connect and fix the fixing ring 801. With double connection, it is convenient for disassembly and assembly.

[0050] Those of ordinary skill in the art should understand that: The discussion of any above embodiment is only exemplary; under the idea of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, which are not provided in detail for the sake of brevity.

[0051] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A screw bearing for an electric vehicle, characterized in that: include: A transmission screw (1), wherein the outer side of the transmission screw (1) is threadedly connected to a first rotating shaft clamp (2), and one end of the first rotating shaft clamp (2) is fixedly connected to a second rotating shaft clamp (3); A plug-in assembly (4), wherein the plug-in assembly (4) is fixedly connected to the front and rear ends of the first rotating shaft clamp (2), the front and rear ends of the second rotating shaft clamp (3) are both fixedly installed with positioning assemblies (5), and the outer side of the second rotating shaft clamp (3) is sleeved with a fastening assembly (6), the positioning assembly (5) comprises a second fixing plate (501), and the second fixing plate (501) is fixedly installed to the front and rear ends of the second rotating shaft clamp (3), and a plug-in groove (502) is provided in the middle part of the inner side of the second fixing plate (501), and the docking of the plug-in assembly (4) and the positioning assembly (5) allows the first rotating shaft clamp (2) and the second rotating shaft clamp (3) to be initially positioned; A clamping and fixing component (7) is fixedly connected to the top wall of the rotating shaft clamp block (2), and a cleaning component (8) is fixedly connected to the inner side of the clamping and fixing component (7). The clamping and fixing component (7) is connected and positioned to the cleaning component (8) on the inner side.

2. A lead screw bearing for electric vehicles according to claim 1, characterized in that: The plug-in assembly (4) comprises a fixing plate (401), and the fixing plate (401) is fixedly mounted on the front and rear sides of the rotating shaft clamp (2), and a plug connector (402) is fixedly connected to the inner side of the fixing plate (401).

3. The lead screw bearing for electric vehicle according to claim 1, characterized in that: The upper and lower walls of the second fixing plate (501) are provided with guide holes (503), and a push rod (504) passes through the guide hole (503). The outer side of the push rod (504) is sleeved with a compression spring (505), and the inner side of the push rod (504) is fixedly connected to a limiting block (506).

4. The lead screw bearing for electric vehicle according to claim 1, characterized in that: The fastening assembly (6) comprises a clamp (601), and the clamp (601) is sleeved on the outer side of the second rotating shaft clamp block (3), and the inner thread of the clamp (601) is connected with a fixing screw (602).

5. The lead screw bearing for electric vehicle according to claim 1, characterized in that: The clamping and fixing assembly (7) comprises an inner arc clamping block (701), and the inner arc clamping block (701) is fixedly installed on the top end of the rotating shaft clamping block (2), and the inner side of the inner arc clamping block (701) is threadedly connected with a positioning screw (702).

6. A lead screw bearing for electric vehicles according to claim 1, characterized in that: The cleaning assembly (8) comprises a fixing ring (801), and the fixing ring (801) is clamped on the inner side of the inner arc clamping block (701), a cleaning cotton ring (802) is fixed on the inner side of the fixing ring (801), and a positioning mounting piece (803) is fixedly connected to the top end of the cleaning cotton ring (802).

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