CN211183619U

CN211183619U - Multifunctional motor protection device

Info

Publication number: CN211183619U
Application number: CN202020063438.5U
Authority: CN
Inventors: 杨益飞; 孙春华; 黄海洋
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-04
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a multi-functional protection device of motor, including the shell, install end closing cap and afterbody closing cap at the shell both ends respectively, end closing cap and afterbody closing cap all are connected with shell detachable, and the motor is installed inside the shell, and the fixed subassembly of installation in the shell, the connecting wire of fixed subassembly centre gripping fixed motor, afterbody closing cap middle part have the wire guide, and the connecting wire of motor passes through the wire guide and wears out, has a plurality of wind gaps of installing radiator fan on the shell. The multifunctional motor protection device can effectively protect the motor, improve the heat dissipation efficiency and prevent the connecting wire from interfering the motor.

Description

Multifunctional motor protection device

Technical Field

The utility model relates to a relevant technical field of motor, more accurate saying so relates to a multi-functional protection device of motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is widely applied, and in some application scenes, a protective cover is required to be arranged outside the motor during installation, so that the normal operation of the motor is ensured. The motor protection casing of prior art is general comparatively simple, and the protection casing prevents the work of external factor interference motor with the main part parcel of motor, and the function is comparatively single. However, there are many factors to be considered in the actual installation and operation of the motor. For example, if the connecting wire of motor is fixed not through the arrangement, can be comparatively in disorder in the protection casing, disturb the normal operating of motor, can block the heat dissipation passageway on the protection casing even, influence the heat dissipation of motor. In addition, the motor protection cover of the prior art is generally complex to install and disassemble, and is inconvenient for installation and maintenance of the motor. In summary, there is a need in the art for a motor protection device with a novel structure that provides versatile protection for the motor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a main aim at provides a multi-functional protection device of motor, including the shell, install end closing cap and afterbody closing cap at the shell both ends respectively, end closing cap and afterbody closing cap all are connected with shell detachable, and the motor is installed inside the shell, and the fixed subassembly of installation in the shell, the connecting wire of fixed subassembly centre gripping fixed motor, afterbody closing cap middle part have the wire guide, and the connecting wire of motor is worn out through the wire guide, has a plurality of wind gaps of installing radiator fan on the shell.

In order to achieve the purpose, the utility model provides a multi-functional protection device of motor, the internally mounted motor, connecting wire on the motor, multi-functional protection device of motor includes shell, end closing cap, afterbody closing cap and fixed subassembly, the both ends of shell are detachable respectively and connect the end closing cap reaches the afterbody closing cap, the shell is inside to have a cavity, and the motor is installed in the cavity, fixed subassembly sets up in the cavity, just fixed subassembly with the shell combines the installation, fixed subassembly centre gripping is fixed the connecting wire, just the connecting wire is worn out the afterbody closing cap.

Preferably, the fixing assembly comprises a sleeve block, two sliding blocks, two hinged rods and a fixing spring, the two sliding blocks are slidably arranged in the shell and are connected through the fixing spring, the two hinged rods respectively penetrate into the shell from the cavity to be hinged with the two sliding blocks, the end parts of the two hinged rods, which are located in the cavity, are hinged with each other and hinged with the sleeve block, and the connecting line is clamped by the sleeve block.

Preferably, the through-hole has in the set piece middle part, wear to establish in the through-hole the connecting wire, a screw rod of set piece bottom spiral installation, the screw rod penetrates in the through-hole, the screw rod is located the end connection splint in the through-hole, the screw rod is kept away from the tip of set piece has the knob, encircles the screw rod sets up the swivel nut, just the swivel nut with the set piece is connected.

Preferably, the clamping plate is an arc-shaped plate.

Preferably, a rubber pad is pasted inside the through hole, and a rubber pad is pasted on the upper surface of the clamping plate.

Preferably, the tail sealing cover is provided with a wire guide hole in the middle, the connecting wire penetrates through the wire guide hole, a soft pad is pasted on the inner wall of the wire guide hole, and the aperture of the soft pad facing to the end part of the end sealing cover is larger than that of the other end part.

Preferably, the side wall of the shell is provided with a plurality of air openings, and the air openings are internally provided with cooling fans.

Preferably, the tip cap is threadably received by the housing.

Preferably, the tail cover is detachably connected to the housing by at least two symmetrically arranged pressing assemblies.

Preferably, the end face of the tail cover facing the head cover is provided with a cover projection, and the cover projection is inserted into the shell; the pressing assembly comprises a pressing rod, an embedded block and a pressing spring, the pressing spring is installed in the sealing cover lug, one end of the pressing spring is connected with the sealing cover lug, and the other end of the pressing spring is connected with the embedded block; when the pressing spring is in a natural state, the embedded block is partially positioned in the sealing cover lug and partially positioned in the shell and fixedly connected with the tail sealing cover and the shell; the pressing rod is connected with the shell in a sliding mode and penetrates through the shell to be in butt joint with the embedded block; when the pressing rod is pressed towards the shell, the embedded block compresses the pressing spring, slides into the sealing cover bump, and releases the limit connection between the tail sealing cover and the shell.

Compared with the prior art, the utility model discloses a multi-functional protection device of motor's advantage lies in: the multifunctional motor protection device can effectively protect the motor through the shell and the two end sealing covers, and prevent external factors from influencing the normal work of the motor; the air port with the cooling fan is arranged, so that the cooling efficiency can be effectively improved; through fixed subassembly effectively bunches the connecting wire of fixed motor, and enough reduces the influence of pulling force to the connecting wire, prevents that the connecting wire from disturbing motor work, has prolonged the life of connecting wire simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front sectional view of a multifunctional motor protection device according to the present invention.

Fig. 2 is a cross-sectional view in the direction C-C in fig. 1.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Fig. 4 is an enlarged schematic view of a portion B in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the multifunctional motor protector of the present invention includes a housing 10, a head cover 11, a tail cover 12, and a fixing assembly 20. The shell 10 is a cylindrical shell, and two open ends of the shell 10 are detachably connected with the end cover 11 and the tail cover 12 respectively. The shell 10 is internally provided with a cavity 101, the motor is installed in the cavity 101, and an output shaft of the motor penetrates out of the end cover 11. The fixing component 20 is disposed in the cavity 101, the fixing component 20 is installed in combination with the housing 10, and the fixing component 20 clamps a connection line of a fixed motor. The tail cover 12 has a wire guide hole 121 in the middle, and the connection wires of the motor are passed through the wire guide hole 121. In order to protect the connecting wires of the motor and prevent the connecting wires from long-time friction damage with the wire guide holes, a soft cushion 122 is adhered on the inner wall of the wire guide hole 121. The diameter of the soft pad 122 near the end of the tip cover 11 is larger than that of the other end, so that a certain extrusion can be formed on the connecting wire therein, and partial tension on the connecting wire can be relieved. A plurality of air ports 102 are formed in the side wall of the housing 10, and the air ports 102 are communicated with the cavity 101 and the outside, so that heat dissipation of the motor is realized. In order to increase heat dissipation efficiency, a heat dissipation fan 1021 is installed in the air opening.

Referring to fig. 2 and 3, the fixing assembly 20 includes a pocket block 21, two sliders 22, two hinge rods 23, and a fixing spring 24. The two sliding blocks 22 are slidably disposed inside the housing 10, and the two sliding blocks 22 are connected by the fixed spring 24, so that the fixed spring 24 is stretched or compressed when the two sliding blocks 22 move relatively. The two hinge rods 23 penetrate into the housing 10 from the cavity 101 to be hinged with the two sliding blocks 22, and the sliding blocks 22 move to drive the hinge rods 23 to swing. The ends of the two hinged rods 23 in the cavity 101 are hinged to each other and hinged to the sleeve block 21, and the two hinged rods 23 are arranged in a V shape. The connecting wire of the motor is clamped and fixed by the sleeve block 21. When the connecting wire of motor receives tensile force, can drive nest block 21 removes, and then drive two through two articulated rod 23 the slider 22 motion, and two the motion of slider 22 can be alleviated by the deformation of fixed spring 22 to realize alleviating and absorbing the tensile of connecting wire, prevent that the connecting wire atress of motor is too big and damage.

The through-hole has in the middle part of cover piece 21 for wear to establish the connecting wire of fixed motor, screw rod 212 of screw installation in cover piece 21 bottom, screw rod 212 penetrates in the through-hole, screw rod 212 is located end connection splint 214 in the through-hole, screw rod 212 is kept away from the tip of cover piece 21 has knob 211, encircles screw rod 212 sets up swivel nut 213, just swivel nut 213 with cover piece 21 is connected. The clamping plate 214 is an arc-shaped plate, the clamping plate 214 corresponds to the arc surface of the through hole, a rubber pad is pasted on the inner portion of the through hole, and a rubber pad is pasted on the upper surface of the clamping plate 214. The adhesive rubber pad can prevent the connecting wire from being worn, and the friction force between the adhesive rubber pad and the connecting wire is increased. The screw 212 is coupled to the clamping plate 214 through a bearing, and the clamping plate 214 may not rotate when the screw 212 rotates. The screw 212 is fixedly connected with the selecting knob 211 in a welding manner. The screw 212 is rotated by the knob 211, so that the clamping plate 214 is matched with the through hole to clamp a connecting line.

The end cover 11 is screwed with the housing 10. Referring to fig. 4, the tail cover 12 is detachably connected to the housing 10 through at least two symmetrically disposed pressing members 13, and the connection or separation of the outer cover 12 and the housing 10 can be conveniently and rapidly achieved by operating the pressing members 13. Specifically, the end face of the tail cover 12 facing the tip cover 11 has a cover protrusion 123, and the cover protrusion 123 is inserted into the housing 10. The pressing assembly 13 includes a pressing rod 131, an insert 132, and a pressing spring 133, the pressing spring 133 is installed in the capping protrusion 123, one end of the pressing spring 133 is connected to the capping protrusion 123, and the other end is connected to the insert 132. When the pressing spring 133 is in a natural state, the insert 132 is partially located in the cover protrusion 123 and partially located in the housing 10, and fixedly connects the tail cover 12 and the housing 10. The pressing rod 131 is slidably connected to the housing 10, and the pressing rod 131 passes through the housing 10 and abuts against the insert 132. By pressing the pressing rod 131 toward the housing 10, the insert 132 is pushed to compress the pressing spring 133, and the insert 132 slides into the capping protrusion 123 and is no longer located in the housing 10, so that the tail cap 12 is released from the housing 10, and the tail cap 12 can be removed.

When the multifunctional motor protection device is used, the end head sealing cover 11 is rotated and screwed off, the motor is arranged in the cavity 101, and the end head sealing cover 11 and the shell 10 are connected in a threaded mode; the tail cover 12 is then removed by pressing the pressing member 13; the connecting wire passes through the sleeve block 21 to be connected with the motor, and the clamping plate 214 is operated to be matched with the sleeve block to clamp the connecting wire by rotating the knob 211; the connecting wires pass through the wire guiding holes, and the tail sealing cover 12 is operated by pressing the pressing component 13 to be fixedly connected with the shell 10.

During the working process of the motor, the plurality of heat dissipation fans 1021 can be opened, so that the heat dissipation efficiency is improved. When the connecting wire of motor received external force and pulled, the connecting wire atress can be in fixed subassembly 20's effect is down absorbed and is alleviated, prevents that the connecting wire from damaging.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multi-functional protection device of motor, internally mounted motor, the connecting wire is connected on the motor, a serial communication port, multi-functional protection device of motor includes shell, end closing cap, afterbody closing cap and fixed subassembly, the both ends of shell detachable connection respectively the end closing cap reaches the afterbody closing cap, the shell is inside to have a cavity, and the motor is installed in the cavity, fixed subassembly sets up in the cavity, just fixed subassembly with the shell combines the installation, fixed subassembly centre gripping is fixed the connecting wire, just the connecting wire is worn out the afterbody closing cap.

2. The multifunctional motor protector as claimed in claim 1, wherein the fixing assembly includes a sleeve block, two sliding blocks, two hinge rods and a fixing spring, the two sliding blocks are slidably disposed in the housing and connected by the fixing spring, the two hinge rods penetrate the housing from the cavity to be hinged with the two sliding blocks, the ends of the two hinge rods in the cavity are hinged with each other and hinged with the sleeve block, and the connecting wire is clamped by the sleeve block.

3. The multifunctional motor protector as claimed in claim 2, wherein the middle of the sleeve block has a through hole through which the connecting wire passes, the bottom of the sleeve block is spirally provided with a screw, the screw passes through the through hole, the screw is located at the end of the through hole and connected with the clamp plate, the end of the screw far away from the sleeve block has a knob, a threaded sleeve is arranged around the screw, and the threaded sleeve is connected with the sleeve block.

4. The multifunctional motor protector as claimed in claim 3, characterized in that said clamping plate is an arc plate.

5. The multifunctional motor protector as claimed in claim 3, wherein a rubber pad is adhered to the inside of the through hole, and a rubber pad is adhered to the upper surface of the clamping plate.

6. The multifunctional motor protector as claimed in claim 1, wherein the tail cover has a wire hole in the middle, the connecting wires are led out through the wire hole, and a soft pad is adhered to the inner wall of the wire hole, and the diameter of the soft pad facing the end cover is larger than that of the other end.

7. The multifunctional motor protector as claimed in claim 1, wherein the side wall of the casing has several openings, and a heat dissipating fan is installed in the openings.

8. The multifunctional motor protector as claimed in claim 1, wherein said end cap is threadably received on said housing.

9. The multi-functional motor protector as claimed in claim 1, wherein said tail cap is removably attached to said housing by at least two symmetrically disposed press assemblies.

10. The multifunctional motor protector as claimed in claim 9, characterized in that the end face of the tail cover facing the head cover has a cover projection, and the cover projection is inserted into the housing; the pressing assembly comprises a pressing rod, an embedded block and a pressing spring, the pressing spring is installed in the sealing cover lug, one end of the pressing spring is connected with the sealing cover lug, and the other end of the pressing spring is connected with the embedded block; when the pressing spring is in a natural state, the embedded block is partially positioned in the sealing cover lug and partially positioned in the shell and fixedly connected with the tail sealing cover and the shell; the pressing rod is connected with the shell in a sliding mode and penetrates through the shell to be in butt joint with the embedded block; when the pressing rod is pressed towards the shell, the embedded block compresses the pressing spring, slides into the sealing cover bump, and releases the limit connection between the tail sealing cover and the shell.