CN111415847A

CN111415847A - Elastic clamping protection device for motor capable of being used bidirectionally

Info

Publication number: CN111415847A
Application number: CN202010277322.6A
Authority: CN
Inventors: 周敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-07-14

Abstract

The utility model provides a protection device for motor that elasticity joint can two-wayly use, relates to motor technical field, which comprises a housin, the left side inner wall swing joint of casing has the gear, the right side inner wall swing joint of casing have with the right side engaged with slider of gear, the middle part fixedly connected with of slider and the inner wall sliding connection's of casing connecting block, the top of connecting block and the equal fixedly connected with evenly distributed's at the bottom spring one, the outside fixedly connected with piston rod of spring one, the outside swing joint of piston rod has the dead lever. This protection device for motor that can two-wayly use of elasticity joint uses through the cooperation of activity electric post with the fixing base, when glass rose to extreme condition, the slider also can remove to top or bottom under the transmission of gear this moment, and at this moment corresponding activity electric post can separate with the electrical contact of fixing base, with the circuit disconnection of motor, makes motor stop work, effectively protects the motor, the life of extension motor.

Description

Elastic clamping protection device for motor capable of being used bidirectionally

Technical Field

The invention relates to the technical field of motors, in particular to a protection device for a motor, which is elastically clamped and can be used bidirectionally.

Background

The motor is a machine which operates by utilizing electric power, and the electric power is converted into mechanical force to drive the machine to work, so that the machine can automatically work, and the production efficiency and the life quality of people can be greatly improved, for example, a glass lifting motor in an automobile.

The glass lifting motor mainly controls the lifting of glass, so that people in a vehicle can conveniently adjust the height of the glass, and meanwhile, a driver can conveniently control all the glass, but when the glass lifting motor is used, the glass lifting motor can often meet the condition of overload work, at the moment, because the glass is lifted to the limit position again, the glass does not move any more, but the motor is still in an electrified state, the temperature of the motor is increased, the service life of the motor is seriously influenced, the motor is possibly damaged, and the service life of the motor is shortened.

Therefore, the protection device for the motor, which is elastically clamped and can be used bidirectionally, is provided to solve the problems, the circuit of the motor is disconnected by matching the movable electric pole with the fixed seat, the motor stops working, the motor is effectively protected, the service life of the motor is prolonged, the circuit of the motor is disconnected by matching the hydraulic groove with the clamping block, and therefore the use and the protection of the motor are effectively guaranteed, and the service life of the motor is prolonged.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: a protection device for a motor capable of being used bidirectionally and elastically clamped comprises a shell, wherein a gear is movably connected to the inner wall of the left side of the shell, a sliding block meshed with the right side of the gear is movably connected to the inner wall of the right side of the shell, a connecting block which is connected with the inner wall of the shell in a sliding manner is fixedly connected to the middle part of the sliding block, uniformly distributed first springs are fixedly connected to the top and the bottom of the connecting block, a piston rod is fixedly connected to the outer side of the first springs, a fixing rod is movably connected to the outer side of the piston rod, a fixing seat is fixedly connected to the outer side of the fixing rod, a hydraulic groove penetrating through and extending to the middle part of the fixing rod is formed in the inner wall of the fixing seat, a piston block is movably connected to the inner side of the hydraulic groove, a clamping block is elastically connected to the inner, the top and the bottom inner wall of the shell are fixedly connected with guide posts which are sleeved with the middle of the second spring, and clamping grooves matched with the clamping blocks are formed in the outer sides of the guide posts.

The invention has the following beneficial effects:

1. this protection device for motor that can two-wayly use of elasticity joint uses through the cooperation of activity electric post with the fixing base, when glass rose to extreme condition, the slider also can remove to top or bottom under the transmission of gear this moment, and at this moment corresponding activity electric post can separate with the electrical contact of fixing base, with the circuit disconnection of motor, makes motor stop work, effectively protects the motor, the life of extension motor.

2. This protection device for motor that can two-wayly use of elasticity joint, cooperation through hydraulic pressure groove and fixture block is used, the in-process that removes at the slider, the fixture block can all the time with the draw-in groove joint under the hydraulic pressure effect in hydraulic pressure groove, effectively guarantee the electrical contact and the activity electric post electric connection of fixing base, when the slider removes to the top, the fixing base and the separation of bottom activity electric post of bottom, make the motor circuit disconnection, and the like, when the slider removes to the bottom, the fixing base at top and the separation of the activity electric post at top, make the motor circuit disconnection, thereby effectively guarantee the use and the protection of motor, the life of extension motor.

Further, the shell is made of hard high-strength materials and has insulativity, the gear is fixedly connected with the output shaft of the motor and made of the hard high-strength materials, and teeth matched with the gear are formed in the left side of the sliding block.

Furthermore, the connecting block is made of hard high-strength materials and is annular, the first springs are compression springs, the total number of the first springs is eight, the piston rod is T-shaped, and the piston rod is made of steel materials.

Further, the material of dead lever is stereoplasm high strength material and the shape of dead lever is cylindricly, the material of fixing base is stereoplasm high strength material and the total amount of fixing base is two, the middle part in hydraulic pressure groove is filled with hydraulic oil.

Further, the material of piston piece is stereoplasm rubber material and the shape of piston piece is cylindric, the inboard fixedly connected with of piston piece and the inner wall fixed connection spring of fixing base, the material of fixture block is stereoplasm high strength material and the shape of fixture block is triangle-shaped.

Furthermore, the shape of guide way is cylindric, the material of activity electricity post is copper material and the quantity of activity electricity post is four, spring two is compression spring and the diameter of spring two is less than the diameter of fixing base.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic view of a downward-moving structure of the slider according to the present invention;

FIG. 4 is an enlarged partial view of the portion A in FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a gear; 3. a slider; 4. connecting blocks; 5. a first spring; 6. a piston rod; 7. fixing the rod; 8. a fixed seat; 9. a hydraulic tank; 10. a piston block; 11. a clamping block; 12. a guide groove; 13. a movable electric pole; 14. a second spring; 15. a guide post; 16. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a protection device for a motor capable of being used in two directions and elastically clamped, includes a housing 1, the housing 1 is used for fixing each component, the housing 1 is made of hard high-strength material and the housing 1 has insulation property, a gear 2 is fixedly connected with an output shaft of the motor and the gear 2 is made of hard high-strength material, the left side of a slider 3 is provided with teeth adapted to the gear 2, the inner wall of the left side of the housing 1 is movably connected with the gear 2, the gear 2 is used for transmission, the inner wall of the right side of the housing 1 is movably connected with a slider 3 engaged with the right side of the gear 2, the slider 3 is used for transmission, the middle part of the slider 3 is fixedly connected with a connecting block 4 slidably connected with the inner wall of the housing 1, the connecting block 4 is used for connection and transmission, the connecting block 4 is made of hard high-strength material and the connecting, the first spring 5 is a compression spring, the total number of the first spring 5 is eight, the piston rod 6 is T-shaped, the piston rod 6 is made of steel, the top and the bottom of the connecting block 4 are fixedly connected with the first spring 5 which is uniformly distributed, and the first spring 5 plays a role in transmission.

The outer side of the first spring 5 is fixedly connected with a piston rod 6, the piston rod 6 plays a role in transmission, the outer side of the piston rod 6 is movably connected with a fixed rod 7, the fixed rod 7 plays a role in limiting the moving range of the piston rod 6, the fixed rod 7 is made of hard high-strength materials, the fixed rod 7 is cylindrical, the fixed seat 8 is made of hard high-strength materials, the total number of the fixed seats 8 is two, the middle of a hydraulic groove 9 is filled with hydraulic oil, the outer side of the fixed rod 7 is fixedly connected with the fixed seat 8, the fixed seat 8 plays a role in fixing each part and communicating with a control circuit together with a movable electric column 13, the inner wall of the fixed seat 8 is provided with the hydraulic groove 9 penetrating and extending to the middle of the fixed rod 7, the hydraulic groove 9 plays a role in transmission, the inner side of the hydraulic groove 9 is movably connected with a piston block 10, the piston block 10 plays a role in transmission, the inner side of the piston block 10 is fixedly connected with a spring fixedly connected with the inner wall of the fixed seat 8.

The fixture block 11 is made of a hard high-strength material, the fixture block 11 is triangular, the inner side of the piston block 10 is elastically connected with the fixture block 11, the fixture block 11 fixes the position of the fixed seat 8, the middle part of the inner side of the fixed seat 8 is provided with a guide groove 12, the guide groove 12 limits the moving direction of the guide post 15, the guide groove 12 is cylindrical, the movable electric posts 13 are made of copper, the number of the movable electric posts 13 is four, the spring II 14 is a compression spring, the diameter of the spring II 14 is smaller than that of the fixed seat 8, the inner walls of the top and the bottom of the shell 1 are movably connected with the movable electric posts 13, the movable electric posts 13 play a role in controlling a motor circuit, the inner walls of the top and the bottom of the shell 1 are fixedly connected with the spring II 14, the spring II 14 plays a role in ejecting the movable electric posts 13 inwards, the inner walls of the top and the bottom of the shell 1 are fixedly connected with the guide posts 15 sleeved with the, the guide post 15 plays the effect of restriction moving direction, and draw-in groove 16 with fixture block 11 looks adaptation is seted up in the guide post 15 outside, and draw-in groove 16 plays the effect of restriction fixing base 8 removal.

The working principle is as follows: under initial condition, as shown in fig. 1, this moment slider 3 is located the top of casing 1, at this moment spring 5 at top is compressed to fixing base 8 and the electric connection of activity post 13 at top, at this moment gear 2 need rotate clockwise and can start, the fixture block 11 and the draw-in groove 16 joint at top guarantee the stable electric connection of top fixing base 8 and activity post 13, and bottom fixing base 8 and the separation of activity post 13, gear 2 can not anticlockwise rotate.

When needs clockwise adjustment, at this moment glass removes to another kind of extreme condition by an extreme condition, at this moment gear 2 clockwise rotation, with slider 3 downstream, the fixing base 8 of removal in-process top and bottom can all peg graft with guide post 15, and fixture block 11 can be in the same place with draw-in groove 16 joint again under the hydraulic transmission effect of hydraulic pressure groove 9, at this moment the fixing base 8 of top and bottom all with movable electric post 13 electric connection, if stop motor work midway, both can realize gear 2 clockwise rotation, also can realize gear 2 anticlockwise rotation.

If continue clockwise rotation gear 2 during, at this moment slider 3 continues the downstream, with connecting block 4 downstream together, when slider 3 moved to the top, in fixture block 11 at this moment top can contract into fixing base 8 under the hydraulic pressure effect, at this moment fixing base 8 can separate with activity electric pole 13, and the motor rotates clockwise the circuit disconnection to the protection motor avoids its overload operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection device for motor that can two-wayly use of elasticity joint, includes casing (1), its characterized in that: the inner wall of the left side of the shell (1) is movably connected with a gear (2), the inner wall of the right side of the shell (1) is movably connected with a sliding block (3) which is meshed with the right side of the gear (2), the middle part of the sliding block (3) is fixedly connected with a connecting block (4) which is connected with the inner wall of the shell (1) in a sliding way, the top and the bottom of the connecting block (4) are fixedly connected with first springs (5) which are uniformly distributed, the outer side of each first spring (5) is fixedly connected with a piston rod (6), the outer side of each piston rod (6) is movably connected with a fixed rod (7), the outer side of each fixed rod (7) is fixedly connected with a fixed seat (8), the inner wall of each fixed seat (8) is provided with a hydraulic groove (9) which penetrates through and extends to the middle part of each fixed rod (7), the inner side of each hydraulic groove (9) is, the equal swing joint of top and the bottom inner wall of casing (1) has activity electric post (13), the equal fixedly connected with spring two (14) of top and the bottom inner wall of casing (1), guide post (15) that the equal fixedly connected with of top and the bottom inner wall of casing (1) cup jointed with the middle part of spring two (14), draw-in groove (16) with fixture block (11) looks adaptation are seted up in the guide post (15) outside.

2. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the shell (1) is made of hard high-strength material, and the shell (1) is insulating.

3. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the gear (2) is fixedly connected with an output shaft of the motor, the gear (2) is made of hard high-strength materials, and teeth matched with the gear (2) are formed in the left side of the sliding block (3).

4. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the connecting block (4) is made of hard high-strength materials, and the connecting block (4) is annular.

5. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the first spring (5) is a compression spring, the total number of the first springs (5) is eight, the piston rod (6) is T-shaped, and the piston rod (6) is made of steel materials.

6. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the shape of the material of dead lever (7) for stereoplasm high strength material and dead lever (7) is cylindric, the total amount of the material of fixing base (8) for stereoplasm high strength material and fixing base (8) is two, the middle part packing of hydraulic pressure groove (9) has hydraulic oil.

7. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the material of piston piece (10) is stereoplasm rubber material and the shape of piston piece (10) is cylindric, the inboard fixedly connected with of piston piece (10) and the inner wall fixed connection spring of fixing base (8), the material of fixture block (11) is stereoplasm high strength material and the shape of fixture block (11) is triangle-shaped.

8. The protection device for the motor, which is elastically clamped and can be used bidirectionally, according to claim 1, characterized in that: the shape of guide way (12) is cylindric, the material of activity electricity post (13) is copper material and the quantity of activity electricity post (13) is four, spring two (14) are compression spring and the diameter of spring two (14) is less than the diameter of fixing base (8).