Fixing structure of centrally-mounted motor
Through the fixing structure of the bent suspender plate and fastener, the problem of poor stability of the mid-mounted motor is solved, achieving higher stability and installation convenience.
Patent Information
- Application Number
- CN202421742275.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-07-19
AI Technical Summary
When existing mid-mounted motors are fixed by rigid screws, the stability is poor, and the motor is prone to shaking and shifting, which affects the normal operation and performance of the equipment.
A fixed structure of a bent suspending plate and a plurality of fasteners is adopted. The suspending plate is equipped with a fixed block and a threading groove. The fastener is tightened through a fixing hole, and the threading groove is used for the threading and regularization of the wire harness.
The limit function improves the correct placement and fixation of the mid-mounted motor, reduces the risk of fasteners falling off, and improves the stability and installation convenience of the motor.
Smart Images
Figure CN222432511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of center-mounted motors, in particular to a fixing structure of a center-mounted motor. Background Art
[0002] A mid-mounted motor is a motor that is commonly installed on electric vehicles. In the prior art, the mid-mounted motor is often directly fixed to the motor frame by rigid screws. During use, the motor may shake or shift, affecting the normal operation and performance of the equipment. Therefore, improvements are needed. Summary of the invention
[0003] The utility model aims at the defects in the prior art that the central motor is directly fixed with rigid screws, resulting in poor stability, and provides a new fixing structure for the central motor.
[0004] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:
[0005] A fixing structure for a mid-mounted motor comprises a hanging plate and a plurality of fasteners, wherein the hanging plate is bent and forms an installation area for placing the mid-mounted motor, a plurality of fixing blocks are arranged on the hanging plate, fixing holes extending in a horizontal direction are opened on the fixing blocks, the fasteners correspond to the fixing holes one by one and are passed through the fixing holes and screwed onto the mid-mounted motor; a wire threading groove is opened on the hanging plate, and the wire threading groove is connected to the installation area.
[0006] The installation area can be used to limit the position of the mid-mounted motor, so that the mid-mounted motor can be placed in the correct position, which makes it convenient to pass the fasteners through the fixing holes and tighten them on the mid-mounted motor, thereby improving the stability of the mid-mounted motor; the fixing holes extend in the horizontal direction, thereby reducing the possibility of the fasteners falling off due to shaking when the electric vehicle moves; the setting of the wire threading groove facilitates the passing of the wiring harness on the mid-mounted motor, thereby improving the convenience of the installation of the mid-mounted motor and the regularity of the wiring harness of the mid-mounted motor.
[0007] Preferably, in the fixing structure of a mid-mounted motor described above, the hanging plate includes a connecting plate, a first section and a second section, the connecting plate extends in a horizontal direction, the first section and the second section are respectively arranged at two ends of the connecting plate, the first section and the second section are inclined away from the upper surface of the connecting plate, the ends of the first section and the second section extend away from each other, and the first section and the second section both form an angle with the connecting plate; there are a plurality of wire threading grooves, and the wire threading grooves are respectively arranged on the first section and the second section.
[0008] The folded angles formed between the first section, the second section and the connecting plate facilitate the placement of the center motor in the installation area. The wire threading grooves are respectively arranged on the first section and the second section, thereby improving the convenience of wiring the center motor.
[0009] Preferably, in the above-mentioned fixing structure of a central motor, a positioning block located below the threading groove is provided on the first section, the positioning block extends along the inclined direction of the first section, and the lower end of the positioning block is provided on the connecting plate.
[0010] The provision of the positioning block, on the one hand, enhances the structural strength of the connection between the first section and the connecting plate; on the other hand, when the mid-mounted motor is fixed, the positioning block can be offset against the mid-mounted motor, further improving the stability of the mid-mounted motor.
[0011] Preferably, in the fixing structure of the central motor described above, the hanging plate is provided with a first arc block, a second arc block and a third arc block, the first arc block is provided on the connecting plate and extends along the length direction of the connecting plate, the second arc block is provided on the second section and extends along the inclined direction of the second section, the third arc block is provided between the first arc block and the second arc block and is against the first arc block and the second arc block.
[0012] The first arc block, the second arc block and the third arc block can fit on the outer surface of the mid-mounted motor. On the one hand, the stability of the mid-mounted motor when the electric vehicle moves is improved. On the other hand, when the fastener is tightened on the mid-mounted motor, the mid-mounted motor will not move, further improving the convenience of fixing the mid-mounted motor.
[0013] Preferably, in the above-mentioned fixing structure of a central motor, at least two limit bars are arranged on the hanging plate, and the limit bars are distributed on both sides in the width direction of the hanging plate. The limit bars are bent, and the bending degree of the limit bars is consistent with the bending degree of the hanging plate.
[0014] There is a height difference between the upper surface of the limit bar and the surface of the hanging plate, so that the two sides of the center motor can be clamped by the limit bar, which increases the fixing area of the center motor and further improves the firmness of the center motor when it is fixed.
[0015] Preferably, in the above-mentioned fixing structure of the central motor, a locking gap is formed between the limit strip and the upper surface of the hanging plate.
[0016] The hanging plate can be clamped by locking the gap, further improving the stability of the central motor installed on the hanging plate.
[0017] Preferably, in the fixing structure of the central motor described above, an upper plug-in groove is provided on the limit strip, and a lower plug-in groove opposite to the upper plug-in groove is provided on the hanging plate, the upper plug-in groove and the lower plug-in groove are both connected to the locking gap, and the width of the upper plug-in groove is greater than that of the lower plug-in groove.
[0018] The upper and lower plug-in slots facilitate fixing the two sides of the hanging plate at a preset position. On the one hand, the stability of the hanging plate and the central motor is improved, and on the other hand, the hanging plate is prevented from shaking when the fasteners are tightened.
[0019] Preferably, in the above-mentioned fixing structure of a central motor, a shock-absorbing pad is provided on the upper surface of the installation area.
[0020] The setting of the shock-absorbing pad can play a buffering role when the mid-mounted motor is hit, thereby improving and enhancing the protection of the mid-mounted motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the structure of the utility model after the shock-absorbing pad is hidden;
[0022] Figure 2 It is a structural schematic diagram of the hanging plate and the shock-absorbing pad of the utility model;
[0023] Figure 3 This is a schematic diagram of the structure of the first arc block, the second arc block and the third arc block of the utility model;
[0024] Figure 4 for Figure 3 A magnified schematic diagram of center A. DETAILED DESCRIPTION
[0025] The following is combined with Figure 1-4 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:
[0026] Example 1
[0027] like Figure 1-Figure 4 As shown, a fixing structure of a mid-mounted motor includes a hanging plate 1 and a plurality of fasteners 2. The hanging plate 1 is bent and forms an installation area 3 for placing the mid-mounted motor. A plurality of fixing blocks 4 are arranged on the hanging plate 1. The fixing blocks 4 are provided with fixing holes 41 extending in a horizontal direction. The fasteners 2 correspond to the fixing holes 41 one by one and are passed through the fixing holes 41 and then screwed onto the mid-mounted motor; a wire threading groove 10 is provided on the hanging plate 1, and the wire threading groove 10 is connected to the installation area 3.
[0028] Preferably, the hanging plate 1 includes a connecting plate 11, a first section 12 and a second section 13, the connecting plate 11 extends in a horizontal direction, the first section 12 and the second section 13 are respectively arranged at two ends of the connecting plate 11, the first section 12 and the second section 13 extend in directions away from each other, and the first section 12 and the second section 13 both form an angle with the connecting plate 11; there are a plurality of wire threading grooves 10, and the wire threading grooves 10 are respectively arranged on the first section 12 and the second section 13.
[0029] Preferably, a positioning block 5 located below the threading groove 10 is provided on the first section 12 , and the positioning block 5 extends along the inclined direction of the first section 12 , and the lower end of the positioning block 5 is provided on the connecting plate 11 .
[0030] Preferably, the hanger plate 1 is provided with a first arc block 14, a second arc block 15 and a third arc block 16, the first arc block 14 is arranged on the connecting plate 11 and extends along the length direction of the connecting plate 11, the second arc block 15 is arranged on the second section 13 and extends along the inclined direction of the second section 13, and the third arc block 16 is arranged between the first arc block 14 and the second arc block 15 and is against the first arc block 14 and the second arc block 15.
[0031] Preferably, at least two limit strips 6 are provided on the hanger plate 1 , and the limit strips 6 are distributed on both sides of the hanger plate 1 in the width direction. The limit strips 6 are bent, and the bending degree of the limit strips 6 is consistent with the bending degree of the hanger plate 1 .
[0032] Preferably, a locking gap 7 is formed between the limiting strip 6 and the upper surface of the hanging plate 1 .
[0033] Preferably, an upper plug-in groove 61 is provided on the limit strip 6, and a lower plug-in groove 17 opposite to the upper plug-in groove 61 is provided on the hanging plate 1. Both the upper plug-in groove 61 and the lower plug-in groove 17 are connected to the locking gap 7, and the width of the upper plug-in groove 61 is greater than the width of the lower plug-in groove 17.
[0034] Preferably, a shock-absorbing pad 31 is provided on the upper surface of the installation area 3 .
[0035] Specifically, the end of the fixing block 4 is in an arc shape, and the fixing hole 41 is provided on the side wall of the fixing block 4 and the fixing hole 41 is a waist-shaped hole. In the embodiment of the present application, the number of the fixing blocks 4 is set to five, two fixing blocks 4 are integrally formed at one end of the first section 12 away from the connecting plate 11, two fixing blocks 4 are integrally formed at one end of the second section 13 away from the connecting plate 11, and another fixing block 4 is integrally formed on the limiting strip 6 on one side.
[0036] like Figure 2 As shown, a clearance notch is provided at the end of the limit strip 6, and the clearance notch is opposite to the fixing block 4, so that the user can insert the fastener 2 into the fixing hole 41 through the clearance notch. The shock-absorbing pad 31 is attached to the upper surface of the hanging plate 1 and the shock-absorbing pad 31 covers the threading groove 10. In the embodiment of the present application, the shock-absorbing pad 31 is made of rubber material.
[0037] like Figure 1As shown, there are two wire grooves 10, which are respectively distributed on the first section 12 and the second section 13. The wire groove 10 on the first section 12 is rectangular, and the wire groove 10 on the second section 13 is square, so as to facilitate the wiring and fixation of different electrical components such as the central motor and controller.
[0038] When installing the center motor on the hanging plate 1, first pre-fix the hanging plate 1 through the upper plug-in slot 61 and the lower plug-in slot 17, then fit the shock-absorbing pad 31 on the upper surface of the hanging plate 1 and make the shock-absorbing pad 31 located in the installation area 3, then place the center motor on the shock-absorbing pad 31, and pass the wiring harness on the center motor through the wire groove 10, finally pass the fastener through the fixing hole 41 and tighten it on the center motor, and then the center motor can be fixed on the hanging plate 1.
[0039] In short, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.
Claims
1. A fixing structure for a mid-mounted motor, characterized in that: The invention comprises a hanging plate (1) and a plurality of fasteners (2); the hanging plate (1) is bent and has a mounting area (3) for placing a central motor; a plurality of fixing blocks (4) are arranged on the hanging plate (1); fixing holes (41) extending in a horizontal direction are provided on the fixing blocks (4); the fasteners (2) correspond to the fixing holes (41) one by one and are screwed onto the central motor after passing through the fixing holes (41); and a wire threading groove (10) is provided on the hanging plate (1); the wire threading groove (10) is connected to the mounting area (3).
2. A fixing structure for a mid-mounted motor according to claim 1, characterized in that: The hanging plate (1) comprises a connecting plate (11), a first section (12) and a second section (13); the connecting plate (11) extends in a horizontal direction; the first section (12) and the second section (13) are respectively arranged at two ends of the connecting plate (11); the first section (12) and the second section (13) extend in directions away from each other; the first section (12) and the second section (13) both form a folded angle with the connecting plate (11); a plurality of the threading grooves (10) are arranged; the threading grooves (10) are respectively arranged on the first section (12) and the second section (13).
3. A fixing structure for a mid-mounted motor according to claim 2, characterized in that: The first section (12) is provided with a positioning block (5) located below the threading groove (10), the positioning block (5) extends along the inclined direction of the first section (12), and the lower end of the positioning block (5) is arranged on the connecting plate (11).
4. The fixing structure of a mid-mounted motor according to claim 2, characterized in that: The hanging plate (1) is provided with a first arc block (14), a second arc block (15) and a third arc block (16); the first arc block (14) is provided on the connecting plate (11) and extends along the length direction of the connecting plate (11); the second arc block (15) is provided on the second section (13) and extends along the inclined direction of the second section (13); the third arc block (16) is provided between the first arc block (14) and the second arc block (15) and abuts against the first arc block (14) and the second arc block (15).
5. The fixing structure of a mid-mounted motor according to claim 1, characterized in that: At least two limit strips (6) are arranged on the hanging plate (1), and the limit strips (6) are distributed on both sides of the hanging plate (1) in the width direction. The limit strips (6) are bent, and the bending degree of the limit strips (6) is consistent with the bending degree of the hanging plate (1).
6. A fixing structure for a mid-mounted motor according to claim 5, characterized in that: A locking gap (7) is formed between the limiting strip (6) and the upper surface of the hanging plate (1).
7. The fixing structure of a mid-mounted motor according to claim 6, characterized in that: The limit strip (6) is provided with an upper plugging groove (61), and the hanging plate (1) is provided with a lower plugging groove (17) directly opposite to the upper plugging groove (61). Both the upper plugging groove (61) and the lower plugging groove (17) are connected to the locking gap (7), and the width of the upper plugging groove (61) is greater than the width of the lower plugging groove (17).
8. The fixing structure of a mid-mounted motor according to claim 1, characterized in that: A shock-absorbing pad (31) is provided on the upper surface of the installation area (3).