Anti-loosening motor circuit board fixing structure

Abstract

The utility model discloses an anti-loosening motor circuit board fixing structure, which comprises a positioning seat, an embracing ring seat, a locking and pressing screw rod and a locking and pressing screw rod fixed on the surface of the positioning seat and used for fixing and protecting a motor circuit board, the surface of the positioning seat is provided with a joint edge, the surface of the embracing ring seat is provided with a joint groove matched with the joint edge, and the locking and pressing screw rod is fixed on the surface of the embracing ring seat. Lock holes matched with locking and pressing screw threads are formed in the surfaces of the positioning base and the holding ring base correspondingly, a pressing column is movably installed on one side of the locking and pressing screw, and a spring connected with the pressing column in an abutting mode is arranged on the inner side of the locking and pressing screw. According to the utility model, the joint edges and the joint grooves which are obliquely inserted are arranged on the surfaces of the positioning seat and the embracing ring seat, so that quick disassembly and assembly can be realized, and the assembly and maintenance efficiency of equipment is improved. Meanwhile, through the thread locking design of the locking and pressing screw rod, it is ensured that the motor circuit board cannot be loosened under the high-frequency vibration condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely is a kind of anti-loose motor circuit board fixing structure. BACKGROUND

[0002] In the traditional motor circuit board fixing structure, usually bolt or fastener is directly used to fix circuit board on the surface of motor. Most of the traditional design only relies on the mechanical locking effect of fastener to maintain the stability of circuit board. However, this kind of fixing mode often leads to fastener loosening under the environment of long-time running or high-frequency vibration of equipment, and further causes the phenomenon of circuit board loosening or falling off. In addition, in order to reduce the influence of vibration on circuit board, traditional scheme usually increases rubber washer at fastening place, but this kind of passive damping method is difficult to cope with continuous high-frequency vibration and impact, and the damping effect is limited.

[0003] The defects of prior art mainly manifest in the following aspects: first, the traditional bolt fixing mode lacks the flexibility of quick disassembly and assembly, especially in the occasion needing to frequently maintain or replace circuit board, and the disassembly and assembly efficiency is low. Second, the existing fixing mode has poor resistance to vibration, and the bolt is prone to loosening due to vibration when the equipment is running for a long time, which further causes poor contact or damage of circuit board. In addition, due to the lack of effective elastic structure and deformation buffer mechanism in traditional design, the rigid contact between circuit board and motor surface will aggravate the fatigue damage of circuit board under vibration and impact. In view of this, the existing problems are researched and improved, and an anti-loose motor circuit board fixing structure is provided to solve the existing problems, so as to solve the problems and improve the practical value. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the technical problems existing in prior art or related art.

[0005] The utility model discloses an anti-loose motor circuit board fixing structure, which comprises a positioning seat, a clamping ring seat, a lock pressing screw and a lock pressing screw fixed on the surface of the positioning seat for fixing and protecting the motor circuit board. In the embodiment, the surface of the positioning seat is provided with an engaging rib, the surface of the clamping ring seat is provided with an engaging groove matched with the engaging rib, the surfaces of the positioning seat and the clamping ring seat are both provided with lock holes matched with the threads of the lock pressing screw, one side of the lock pressing screw is movably provided with a pressing column, and the inner side of the lock pressing screw is provided with a spring abutting against the pressing column. Through the design, the circuit board can be stably fixed, and good anti-loose effect is provided. Through the meshing design of the engaging rib and the engaging groove, the stable connection of the positioning seat and the clamping ring seat is ensured, the loosening under vibration condition is prevented, and the reliability of the fixing structure is improved.

[0006] The utility model discloses a further configuration in a preferable example can be: the surface of positioning seat and embrace ring seat is equipped with the sleeve groove that adapts with the motor contour, the joint edge and joint groove are obliquely arranged, and the joint edge is inserted into the inside of joint groove through oblique, realizes the intermeshing of positioning seat and embrace ring seat surface sleeve groove. Through the design, positioning seat and embrace ring seat can be quickly aligned when installing, and the assembly efficiency is improved. Through the oblique insertion design, the close cooperation of positioning seat and embrace ring seat when assembling is ensured, and the effect of quick installation and stable fixation is realized.

[0007] The utility model discloses a further configuration in a preferable example can be: the surface of positioning seat and embrace ring seat is equipped with the deformation elastic groove, and the inside fixed mounting of deformation elastic groove has the elastic piece, and the elastic piece is metal elastic sheet structure. Through the design of deformation elastic groove and elastic piece, realize the elastic deformation of positioning seat and embrace ring seat, to improve the anti-loose and shock attenuation effect after assembly. Through the elastic deformation design, positioning seat and embrace ring seat provide additional buffer when with the surface of motor joint, reduce the influence of vibration to circuit board, and improve the durability of equipment.

[0008] The utility model discloses a further configuration in a preferable example can be: the top surface of positioning seat is equipped with the installation slot that adapts with circuit board box, and the surface of circuit board box is equipped with the heat dissipation hole grid. Through the design, the circuit board box can be closely combined with positioning seat, and the heat dissipation function is provided, prevents the overheating of circuit board when long time operation. Through setting up heat dissipation hole grid, the heat dissipation efficiency of circuit board is effectively improved, and the stability of equipment under high load work is ensured.

[0009] The utility model discloses a further configuration in a preferable example can be: the surface of lock pressure screw is equipped with the screw thread that adapts with lock hole, and the one end of lock pressure screw is through positioning seat and embrace ring seat surface lock hole, and through the elastic abutment of pressing column and the surface of motor, improves the abutment effect of positioning seat, embrace ring seat and the surface of motor. Through the design and elastic abutment of screw thread, the stable fixation of positioning seat and embrace ring seat under the vibration condition is ensured, and further prevent the occurrence of loose condition.

[0010] The utility model discloses a further configuration in a preferable example can be: positioning seat and embrace ring seat are polypropylene (PP) material components. Through adopting polypropylene material, positioning seat and embrace ring seat have good elastic deformation ability, thereby improving the overall shock attenuation effect and assembly flexibility. Adopting polypropylene material, positioning seat and embrace ring seat not only have the characteristics of light weight and durability, but also can provide moderate elastic deformation during assembly and disassembly, ensuring the stability of the equipment in the vibration environment.

[0011] The utility model discloses the obtained beneficial effect is:

[0012] 1. In this utility model, by providing obliquely inserted engagement ridges and engagement grooves on the surfaces of the positioning seat and the retaining ring seat, quick assembly and disassembly can be achieved, improving the assembly and maintenance efficiency of the equipment. Simultaneously, the threaded locking design of the locking screw ensures that the motor circuit board will not loosen under high-frequency vibration conditions.

[0013] 2. In this utility model, by setting deformation grooves and elastic elements on the surfaces of the positioning seat and the retaining ring seat, elastic deformation and interference fit are provided when engaging with the motor surface, which has the effects of shock absorption and anti-loosening, thereby improving the service life and stability of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present utility model;

[0015] Figure 2 This is an exploded structural diagram of one embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram of the positioning seat and the retaining ring seat according to one embodiment of the present utility model;

[0017] Figure 4 This is a side view of the positioning seat and the retaining ring seat according to an embodiment of the present invention;

[0018] Figure 5 This is an exploded structural diagram of a locking screw according to an embodiment of the present invention.

[0019] Figure label:

[0020] 100, Positioning seat; 110, Deformation spring groove; 111, Elastic element; 120, Engaging ridge; 200, Clamping ring seat; 210, Locking hole; 220, Engaging groove; 300, Circuit board box; 400, Locking screw; 410, Pressing column; 411, Spring. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0022] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0023] The following is in conjunction with the appendix Figures 1-5 This invention describes a motor circuit board fixing structure provided by some embodiments of the present invention.

[0024] The utility model discloses a kind of anti-loose motor circuit board fixing structure, comprising: locating seat 100, embrace ring seat 200, lock pressure screw rod 400 and the lock pressure screw rod 400 fixed on the surface of locating seat 100 are used for the fixed protection of motor circuit board.In this embodiment, the surface of locating seat 100 is equipped with joint edge 120, the surface of embrace ring seat 200 is equipped with joint groove 220 compatible with joint edge 120, the surface of locating seat 100 and embrace ring seat 200 is all equipped with lock hole 210 compatible with the thread of lock pressure screw rod 400, one side of lock pressure screw rod 400 is movably installed with pressing column 410, and the inside of lock pressure screw rod 400 is equipped with spring 411 abutting with pressing column 410.

[0025] When locating seat 100 and embrace ring seat 200 are installed on the surface of motor, by the oblique insertion design of joint edge 120 and joint groove 220, it is ensured that the two are closely combined, and the stable fixation of circuit board is realized.Meanwhile, the elastic thread design of lock pressure screw rod 400 makes pressing column 410 can provide additional locking force under the action of spring 411, so as to effectively prevent the loosening of equipment under vibration condition.

[0026] Working effect: through the design, stable circuit board fixing effect can be provided when motor is running, vibration is effectively absorbed, and the service life of circuit board is prolonged.

[0027] In another embodiment, the fixing mode of locating seat 100 and embrace ring seat 200 is further optimized to improve the effect of shock absorption and rapid installation.In this embodiment, the surface of locating seat 100 and embrace ring seat 200 is equipped with deformation elastic groove 110, and elastic member 111 is fixedly installed on the inside of deformation elastic groove 110, and the elastic member 111 is a metal elastic sheet structure.In the installation process, locating seat 100 and embrace ring seat 200 can be tightly attached by the elastic deformation of deformation elastic groove 110 and elastic member 111, while providing a buffering effect.

[0028] In addition, the top surface of the locating seat 100 is provided with a mounting groove compatible with the circuit board box 300, and the surface of the circuit board box 300 is provided with a heat dissipation hole grid for improving the heat dissipation efficiency of the equipment.When the equipment is running for a long time, the circuit board box 300 can guide out heat through the heat dissipation hole grid, to prevent the damage of circuit board caused by overheating.

[0029] Working effect: by increasing the design of elastic member 111 and heat dissipation hole grid, the equipment can still maintain stable operation in high-temperature and vibration environment, thereby improving the overall reliability of the equipment.

[0030] The utility model further can further configure: lock press screw rod 400 surface is equipped with the thread of with lock hole 210 adaptation, one end of lock press screw rod 400 is through the lock hole 210 of the surface of positioning seat 100 and embrace ring seat 200, and is through the elastic abutment of pressing column 410 and motor surface. This design ensures that lock press screw rod 400 does not loosen under vibration condition, and provides additional locking force through spring 411, further improves the fixing effect of circuit board.

[0031] To ensure the durability of the fixing assembly, the positioning seat 100 and the embrace ring seat 200 are both made of polypropylene PP material. The PP material has good elasticity and durability, and can still maintain stable fixing effect after long-term use, and provides moderate elastic deformation during assembly.

[0032] Working effect: the use of polypropylene material not only improves the durability of the fixing structure, but also improves the anti-loosening and shock-absorbing effect, so that the equipment can run stably under various working conditions.

[0033] Through the above various embodiments, the utility model not only ensures the stable fixation of the motor circuit board, but also realizes quick installation and efficient heat dissipation, and is suitable for various industrial application environments.

[0034] Working principle of the utility model:

[0035] The utility model provides a kind of anti-loosening motor circuit board fixing structure, to solve the problem that traditional fixed mode is prone to looseness under vibration condition, simultaneously improve assembly efficiency and the overall stability of equipment.

[0036] First, positioning seat 100 and embrace ring seat 200 are connected by obliquely inserted engagement edge 120 and engagement groove 220. By obliquely inserting design, positioning seat 100 and embrace ring seat 200 can be quickly and closely engaged. At this time, the sleeve groove on the surface of positioning seat 100 and embrace ring seat 200 is adapted to the contour of the motor, ensuring the stability and sealing of fixation.

[0037] Then, the positioning seat 100 and the clamping ring seat 200 are further locked on the motor surface by inserting the locking screw 400 through the threaded hole of the lock hole 210. The locking screw 400 has a spring thread design, and the inner side is provided with a pressing column 410 and a spring 411 for providing additional locking force. When the locking screw 400 is screwed to the predetermined position, the pressing column 410 elastically abuts against the motor surface, thereby preventing loosening during operation of the equipment. In order to cope with the high-frequency vibration of the motor during operation, the surface of the positioning seat 100 and the clamping ring seat 200 is provided with a deformation elastic groove 110, and a metal elastic piece elastic element 111 is installed inside. When the equipment is subjected to external impact or vibration, the deformation elastic groove 110 and the elastic element 111 can absorb part of the vibration energy through elastic deformation, thereby reducing the influence of vibration on the circuit board.

[0038] Through the elastic piece structure in the deformation elastic groove 110, interference fit can be achieved after assembly, ensuring that the positioning seat 100 and the clamping ring seat 200 are in close contact with the motor surface. The elastic deformation design not only improves the shock absorption effect, but also further enhances the stability of the fixation, preventing loosening caused by vibration.

[0039] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A motor circuit board fixing structure to prevent loosening, characterized in that, include: The positioning seat (100), the retaining ring seat (200), the locking screw (400) and the locking screw (400) fixed on the surface of the positioning seat (100) are used for fixing and protecting the motor circuit board. The surface of the positioning seat (100) is provided with a joint edge (120), and the surface of the retaining ring seat (200) is provided with a joint groove (220) that matches the joint edge (120). The surfaces of the positioning seat (100) and the retaining ring seat (200) are both provided with locking holes (210) that match the threads of the locking screw (400). A pressing post (410) is movably installed on one side of the locking screw (400), and a spring (411) that abuts against the pressing post (410) is provided on the inner side of the locking screw (400).

2. The anti-loosening motor circuit board fixing structure according to claim 1, characterized in that, The surfaces of the positioning seat (100) and the retaining ring seat (200) are provided with grooves that are adapted to the outline of the motor. The engaging ridge (120) and the engaging groove (220) are arranged obliquely. The engaging ridge (120) is inserted obliquely into the inside of the engaging groove (220) to achieve mutual engagement between the (10) and the groove on the surface of the retaining ring seat (200).

3. The anti-loosening motor circuit board fixing structure according to claim 1, characterized in that, The surfaces of the positioning seat (100) and the retaining ring seat (200) are provided with deformation spring grooves (110), and an elastic element (111) is fixedly installed on the inner side of the deformation spring groove (110). The elastic element (111) is a metal spring sheet structure.

4. The anti-loosening motor circuit board fixing structure according to claim 1, characterized in that, The top surface of the positioning seat (100) is provided with an installation groove that is compatible with the circuit board box (300), and the surface of the circuit board box (300) is provided with a heat dissipation grid.

5. The anti-loosening motor circuit board fixing structure according to claim 1, characterized in that, The surface of the locking screw (400) is provided with a thread that matches the locking hole (210). One end of the locking screw (400) passes through the locking hole (210) on the surface of the positioning seat (100) and the retaining ring seat (200). The elastic contact between the pressing column (410) and the motor surface improves the contact effect between the positioning seat (100), the retaining ring seat (200) and the motor surface.

6. The anti-loosening motor circuit board fixing structure according to claim 1, characterized in that, The positioning seat (100) and the retaining ring seat (200) are made of polypropylene (PP).

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