CN210340189U

CN210340189U - Electric jack

Info

Publication number: CN210340189U
Application number: CN201921010651.3U
Authority: CN
Inventors: 刘杰
Original assignee: Huzhou Union Machinery Co Ltd
Current assignee: Huzhou Union Machinery Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-17
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to an electric jack which has good applicability, low production cost and good use effect and can be used at night, wherein the upper end surface of an outer tube assembly in a jack body is provided with a motor mounting plate, the upper end of the motor mounting plate is provided with a speed reducing motor, the lower end surface of the motor mounting plate is provided with a through hole, the through hole penetrates through the upper end surface and the lower end surface of the motor mounting plate, the lower end surface of the motor mounting plate is provided with a bearing through a bearing mounting seat, and the shaft hole of the bearing is communicated with the through hole; the upper end head of a screw rod in the jack body sequentially penetrates through the shaft hole and the through hole from bottom to top and then is fixedly connected with the lower end head of a rotating rod in the speed reducing motor; the top surface of the outer cover assembly in the jack body is provided with a crank through hole, and the crank through hole is positioned right above the rotating rod. The advantages are that: firstly, the electric jack has good applicability; the size of the outer cover assembly of the electric jack is small, so that the production cost of the electric jack is reduced; and thirdly, a part bearing is additionally arranged in the electric jack, so that the using effect of the jack can be improved.

Description

Electric jack

Technical Field

The utility model relates to a not only the suitability is good, low in production cost moreover, excellent in use effect simultaneously, electric jack that simultaneously can use night belongs to the jack field of making.

Background

CN 206156669U, "an electric jack", including jack body and gear motor, be equipped with the layer board on the jack body, the up end of outer tube assembly is equipped with motor mounting panel and motor mounting panel upper end is equipped with gear motor, the lower extreme is equipped with the light in the jack body, the top end of the lead screw in the jack body opens with gear motor power take off hub connection and gear motor by the motor on-off control who sets up on the casing behind passing through the motor mounting panel and stops, the light is located jack body dead ahead and the light is bright by the lamp on-off control who sets up on the casing. The jack body comprises outer tube assembly, inner tube assembly, fall way, bolt, lead screw, screw-nut fixing base, the fall way passes through the bolt suit and in inner tube assembly tube hole and fall way suit in outer tube assembly tube hole, screw-nut passes through the screw-nut fixing base and installs the up end at the inner tube assembly, the lead screw connects the vertical setting in inner tube assembly tube hole and the lead screw up end stretches out the outer tube assembly up end after the cooperation soon with screw-nut. The inner wall surface of the inner pipe assembly in the jack body is provided with a travel switch, the lower end of the screw rod is provided with a travel switch contact block, and the travel switch contact block is located right below the travel switch. The upper end face of the shell is provided with a level gauge. And a plurality of triangular reinforcing ribs are arranged between the upper end surface of the supporting plate and the outer wall surface of the outer pipe assembly in the jack body. The speed reducing motor is internally provided with a bolt which is in meshed transmission with the upper end head of the screw rod through a gear assembly, and the upper end head of the bolt is provided with a crank. The disadvantages are that: firstly, the motor of the electric jack is arranged at the upper end of the mounting plate, so that the overall length of the electric jack is increased, and the applicability of the electric jack is poor; secondly, the motor is arranged at the upper end of the mounting plate, and the motor is required to be covered when the outer cover is arranged at the upper end of the mounting plate, so that the size required by the outer cover is greatly increased, and the production cost of the electric jack is improved; thirdly, the rotating rod and the screw rod of the electric jack are low in rotating coaxiality in the operation process, and the using effect of the electric jack is weakened.

SUMMERY OF THE UTILITY MODEL

The design purpose is as follows: in order to avoid the defects in the background art, the electric jack is designed, has good applicability, low production cost and good use effect and can be used at night.

The design scheme is as follows: the design purpose is realized.

1. The upper end of the outer tube assembly in the jack body is equipped with motor mounting panel and is T shape setting with the outer tube assembly, the design that motor, opposite side installed the both sides that LED lamp and motor and LED lamp are located the outer tube assembly is installed to one side of terminal surface under the motor mounting panel, is one of the technical characteristics of the utility model. The purpose of this design is: firstly, the motor is arranged on one side of the lower end face of the motor mounting plate, so that the overall height of the electric jack can be greatly reduced (under the condition that the lifting heights of the electric jacks are the same), and the applicability of the electric jack is improved; the motor is arranged at the lower end of the motor mounting plate, so that the size of the outer cover assembly can be reduced, and the production cost of the electric jack is reduced; and thirdly, the LED lamp is convenient for the electric jack to use at night.

2. The top surface of dustcoat assembly in the jack body is opened has crank through-hole and the design that the crank through-hole is located the bull stick directly over, is the utility model discloses a two technical characteristics. The purpose of this design is: the top surface of the outer cover assembly in the jack body is provided with a crank through hole, the crank through hole is located right above the rotating rod, and when a power supply cannot supply power to a motor in the electric jack, the rotating rod is rotated through the crank to realize manual jacking of a vehicle or a heavy object.

3. One side of dustcoat assembly up end in the jack body is equipped with the design of motor switch and lamp switch, is the utility model discloses a three technical characteristic. The purpose of this design is: one side of dustcoat assembly up end in the jack body is equipped with motor switch and lamp switch, and motor switch and lamp switch set up the opposite side at the motor, can avoid taking place to collide with the motor when using the switch like this.

4. The design that the upper end face that the last end of bull stick was equipped with soon and is pressed the cover and press the cover is less than the upper end face of bull stick is the technical feature of the utility model four. The purpose of this design is: the arrangement of the pressing sleeve has a limiting effect on the gear installed on the rotating rod, and the symmetrical center line of the gear and the symmetrical center line of the rotating rod are ensured to be coincided all the time in the rotating process.

5. One side of the annular supporting plate is provided with an arc-shaped positioning notch, which is the fifth technical characteristic of the utility model. The purpose of this design is: after the electric jack is installed on a special vehicle through the annular supporting plate, the arc-shaped positioning notch is matched with the horizontal measuring tool to be used, so that the horizontal installation of the electric jack can be quickly realized.

6. The lower terminal surface of motor mounting panel installs the shaft hole of bearing and the design of through-hole to expert through the bearing mount pad, is the utility model discloses a six technical characteristics. The purpose of this design is: the lower terminal surface of motor mounting panel installs the shaft hole and the through-hole of bearing and bearing through the bearing mount pad to lead to, and the setting of bearing not only can improve the lead screw rotation stability, can improve the axiality when both are rotatory moreover with the bull stick.

The technical scheme is as follows: an electric jack comprises a jack body, wherein a motor mounting plate is arranged at the upper end of an outer tube assembly in the jack body, the motor mounting plate and the outer tube assembly are arranged in a T shape, a motor is mounted on one side of the lower end face of the motor mounting plate, an LED lamp is mounted on the other side of the lower end face of the motor mounting plate, and the motor and the LED lamp are located on two sides of the outer tube assembly; and a screw rod in the jack body is driven by a motor.

Compared with the prior art, the utility model has the advantages that firstly, the motor is arranged on one side of the lower end surface of the motor mounting plate of the electric jack, so that the overall height of the electric jack can be greatly reduced, and the applicability of the electric jack is improved; the motor of the electric jack is arranged at the lower end of the motor mounting plate, so that the size of the outer cover assembly can be reduced, and the production cost of the electric jack is reduced; and thirdly, a part bearing is additionally arranged in the electric jack, so that the rotation stability of the screw rod can be improved, and the coaxiality of the screw rod and the rotating rod during rotation can be improved.

Drawings

Fig. 1 is a schematic perspective view of an electric jack.

Fig. 2 is a schematic sectional view of the electric jack.

Detailed Description

Example 1: reference is made to figures 1 and 2. An electric jack comprises a jack body 1, wherein a motor mounting plate 3 is arranged at the upper end of an outer tube assembly 2 in the jack body 1, the motor mounting plate 3 and the outer tube assembly 2 are arranged in a T shape, a motor 4 is arranged on one side of the lower end face of the motor mounting plate 3, an LED lamp 5 is arranged on the other side of the lower end face of the motor mounting plate 3, and the motor 4 and the LED lamp 5 are positioned on two sides of the outer tube assembly 2; the screw rod 6 in the jack body 1 is driven by the motor 4, the lower end surface of the motor mounting plate 3 is provided with a through hole 31, the through hole 31 penetrates through the upper end surface and the lower end surface of the motor mounting plate 3, the upper end head of the screw rod 6 in the jack body 1 upwards passes through the through hole 31 and the upper end head of the screw rod 6 extends out of the upper end of the motor mounting plate 3, the lower end surface of the motor mounting plate 3 is provided with a motor shaft through hole which penetrates through the upper end surface and the lower end surface of the motor mounting plate 3 and is positioned right above the motor 4, when the motor 4 is fixedly arranged at the lower end surface of the motor mounting plate 3, the power output shaft of the motor 4 penetrates through the through hole of the motor shaft, the power output shaft of the motor 4 extends out of the upper end surface of the motor mounting plate 3, a through gear assembly 8 is arranged between the screw rod 6 and the power output shaft of the motor 4, namely, the motor 4 is driven to rotate by the meshing transmission of the gear assembly 8, and the motor 4 is a direct current motor.

The upper end of lead screw 6 is fixed with bull stick 7 (the lower extreme of bull stick 7 and the upper end of lead screw 6 fixed connection) and is equipped with gear assembly 8 between the power take off axle of bull stick 7 and motor 4, and the meshing transmission motor 4 through gear assembly 8 drives the bull stick 7 rotatory promptly, and bull stick 7 drives lead screw 6 and rotates, the top surface of dustcoat assembly 9 in jack body 1 is opened has crank through-hole 10 and crank through-hole 10 to be located the bull stick 6 directly over.

One side of the upper end face of the outer cover assembly 9 in the jack body 1 is provided with a motor switch 11 and a lamp switch 12, the motor switch 11 and the lamp switch 12 are located right above the LED lamp 5, the motor 4 is controlled by the motor switch 11 to be started or stopped, and the LED lamp 5 is controlled by the lamp switch 11 to be turned on or off. The upper end head of the rotating rod 6 is provided with a pressing sleeve 16 in a rotating mode, and the upper end face of the pressing sleeve 16 is lower than the upper end face of the rotating rod 6.

The outer wall surface of the outer pipe assembly 2 is provided with an annular supporting plate 13, the upper end surface of the annular supporting plate 13 is provided with a plurality of bolt through holes 131, the bolt through holes 131 penetrate through the upper end surface and the lower end surface of the annular supporting plate 13, and one side of the annular supporting plate 13 is provided with an arc-shaped positioning notch 132. The lower end surface of the motor mounting plate 3 is provided with a bearing 15 through a bearing mounting seat 14, and a shaft hole of the bearing 15 is communicated with the through hole 31; the upper end head of the screw rod 6 in the jack body 1 sequentially penetrates through the shaft hole and the through hole 31 from bottom to top and then is fixedly connected with the lower end head of the rotating rod 7.

Jack body 1 still includes outer tube assembly 2, inner tube assembly 17, elevator tube 18, bolt 19, lead screw 6, screw-nut 20 and screw-nut fixing base 21, elevator tube 18 passes through 19 suits of bolt in the tube hole of inner tube assembly 17 and the inner tube assembly 17 cover is established in the tube hole of outer tube assembly 2, screw-nut 20 passes through screw-nut fixing base 21 and installs the last port at inner tube assembly 17, lead screw 6 connects soon with screw-nut 20 and cooperates the vertical setting in the tube hole of inner tube assembly 17 and the up end of lead screw 6 stretches out the up end of outer tube assembly 2. The upper end of the rotating rod 7 is a hexagonal end. And a rubber plug is arranged at the upper end opening of the crank through hole 10.

It is to be understood that: although above-mentioned embodiment is right the utility model discloses a design has done more detailed word description, but these word descriptions, are only right the utility model relates to a simple word description of idea, rather than right the utility model relates to a restriction of idea, any do not surpass the utility model relates to a combination, increase or the modification of idea all fall into the utility model discloses a within the protection scope.

Claims

1. The utility model provides an electric jack, includes jack body (1), characterized by: a motor mounting plate (3) is arranged at the upper end of an outer tube assembly (2) in the jack body (1), the motor mounting plate (3) and the outer tube assembly (2) are arranged in a T shape, a motor (4) is arranged on one side of the lower end face of the motor mounting plate (3), an LED lamp (5) is arranged on the other side of the lower end face of the motor mounting plate (3), and the motor (4) and the LED lamp (5) are located on two sides of the outer tube assembly (2); and a screw rod (6) in the jack body (1) is driven by a motor (4).

2. An electric jack as claimed in claim 1, wherein: the upper end head of lead screw (6) is fixed with bull stick (7) and is equipped with gear assembly (8) between the power take off axle of bull stick (7) and motor (4), the top surface of dustcoat assembly (9) in jack body (1) is opened and is had crank through-hole (10) and be located bull stick (7) directly over.

3. An electric jack as claimed in claim 1 or 2 in which: one side of the upper end face of an outer cover assembly (9) in the jack body (1) is provided with a motor switch (11) and a lamp switch (12), the motor (4) is controlled by the motor switch (11) to be started and stopped, and the LED lamp (5) is controlled by the lamp switch (12) to be turned on and off.

4. An electric jack as claimed in claim 2 wherein: the upper end head of the rotating rod (7) is provided with a pressing sleeve (16) in a rotating mode, and the upper end face of the pressing sleeve (16) is lower than the upper end face of the rotating rod (7).

5. An electric jack as claimed in claim 1, wherein: the outer wall surface of the outer pipe assembly (2) is provided with an annular supporting plate (13), the upper end surface of the annular supporting plate (13) is provided with a plurality of bolt through holes (131), the bolt through holes (131) penetrate through the upper end surface and the lower end surface of the annular supporting plate (13), and one side of the annular supporting plate (13) is provided with an arc-shaped positioning notch (132).

6. An electric jack as claimed in claim 1, wherein: the lower end face of the motor mounting plate (3) is provided with a bearing (15) through a bearing mounting seat (14), and a shaft hole of the bearing (15) is communicated with the through hole (31).