CN214404634U

CN214404634U - Electric push rod with lubricating structure

Info

Publication number: CN214404634U
Application number: CN202023255410.0U
Authority: CN
Inventors: 沈夏萍; 管建峰; 管桢彦
Original assignee: Wuxi Delke Mechanical Equipment Co ltd
Current assignee: Wuxi Delke Mechanical Equipment Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-15
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an electric push rod with a lubricating structure, which comprises a square base, wherein a sound-proof shield is fixedly arranged on one side of the top end of the square base, a servo motor is arranged inside the sound-proof shield, the servo motor is electrically connected with an external power supply through an arranged power cord, an outer sleeve body is fixedly arranged on the other side of the top end of the square base, a driving mechanism is arranged inside the square base, the surface of the driving mechanism is in contact connection with a first lubricating mechanism, and a transmission lead screw is arranged inside a double-row bearing, the service life of the electric push rod is prolonged.

Description

Electric push rod with lubricating structure

Technical Field

The utility model relates to an electric putter technical field, in particular to electric putter with lubricating structure.

Background

The electric push rod is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of the push rod. The device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control, and is mainly used as a motion driving unit in the industries of household appliances, kitchenware, medical appliances, automobiles and the like.

However, the existing electric push rod has some disadvantages, for example, the existing electric push rod does not have a lubricating structure, because the electric push rod is driven by the rotation of a servo motor, the lifting motion of the push rod is realized by the rotation of a gear or a synchronizing wheel, the transmission between the gear or the synchronizing wheel is mostly worn, the service life of the electric push rod is easily reduced without taking a lubricating measure, and meanwhile, the lifting motion of the push rod also needs to use the lubricating structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric putter with lubricating structure to current electric putter who proposes in solving above-mentioned background does not possess lubricating structure, does not take the problem that lubricating measure makes electric putter life-span reduction very easily.

In order to achieve the above object, the utility model provides a following technical scheme: an electric push rod with a lubricating structure comprises a square base, wherein a sound-proof shield is fixedly arranged on one side of the top end of the square base, the inside of the sound-proof shield is provided with a servo motor which is electrically connected with an external power supply through a power cord, the other side of the top end of the square base is fixedly provided with an outer sleeve body, the interior of the square base is provided with a driving mechanism, the surface of the driving mechanism is in contact connection with a first lubricating mechanism, the bottom of the inner cavity of the outer sleeve body is provided with a double-row bearing, a transmission screw rod is arranged in the double-row bearing, a limiting block is fixedly arranged at one end of the transmission screw rod, the surface of the transmission screw rod is in transmission connection with a nut seat, the outer surface of the nut seat is inserted with a push rod, two symmetrical second lubricating mechanisms are fixedly mounted on the surface of the push rod, and the two second lubricating mechanisms are in contact connection with the inner wall of the outer sleeve body.

Preferably, the driving mechanism comprises a first synchronizing wheel and a second synchronizing wheel which are movably arranged inside the square base, a synchronous belt is connected between the first synchronizing wheel and the second synchronizing wheel in a rotating mode, the first synchronizing wheel and the second synchronizing wheel are respectively connected with the output end of the servo motor and one end of the transmission screw rod, and a plurality of cam blocks are fixedly arranged on the surface of the synchronous belt and are in contact connection with the first lubricating mechanism.

Preferably, the first lubricating mechanism comprises an oil storage belt arranged inside the square base, a bifurcated oil injection pipeline is fixedly arranged at an oil outlet of the oil storage belt, and two elbow outlets of the bifurcated oil injection pipeline respectively correspond to the first synchronizing wheel and the second synchronizing wheel.

Preferably, the two second lubricating mechanisms comprise installation shells arranged on the surfaces of the push rods, telescopic rod pieces are installed inside the installation shells, and lubricating grease blocks are installed at one ends of the telescopic rod pieces through back plates.

Preferably, one end of the outer sleeve body is movably provided with a sealing cover, the sealing cover is movably connected with the push rod in an inserting mode, and an oil seal pad is fixedly arranged at the joint of the sealing cover and the push rod.

Preferably, a plurality of reinforcing ribs are fixedly arranged on the surface of the outer sleeve body.

The utility model discloses a technological effect and advantage:

(1) the utility model relates to an electric putter with lubricating structure, through the branching oil spout pipeline that is equipped with, the oil storage area, the cam piece, the hold-in range rotates along first synchronizing wheel and second synchronizing wheel, the cam piece extrudees the surface in oil storage area, produce pressure and make the inside lubricating oil in oil storage area spout along branching oil spout pipeline, lubricate first synchronizing wheel and second synchronizing wheel department, can effectually reduce the wear of first synchronizing wheel and second synchronizing wheel, electric putter's life has been improved.

(2) The utility model relates to an electric putter with lubricating structure, through installation shell, flexible member, backplate and the lubricating grease piece that is equipped with, the installation shell is along with the flexible linear motion that makes of push rod for lubricating grease piece takes place the friction with the internal surface of outer cover body, gets into and produces the grease, lubricates nut seat and push rod, avoids traditional filling mode to lead to lubricating oil to gather in the bottom of the outer cover body, plays good lubrication action.

(3) The utility model relates to an electric putter with lubricating structure, through sound-proof housing and the oil blanket that is equipped with, the sound-proof housing plays good syllable-dividing effect, and the influence of noise reduction, oil blanket prevent the leakage of lubricating oil simultaneously, avoid losing lubricating oil to lead to lubricated effect to reduce.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the outer casing of the present invention.

Fig. 3 is a schematic view of the internal structure of the square base of the present invention.

Fig. 4 is a schematic structural diagram of the servo motor of the present invention.

In the figure: 1. a square base; 2. an outer casing; 3. a sound-proof housing; 4. sealing the cover; 5. an oil seal pad; 6. a power line; 7. reinforcing ribs; 8. a push rod; 9. a transmission screw rod; 10. a limiting block; 11. installing a shell; 12. a telescopic rod member; 13. a back plate; 14. a grease block; 15. a nut seat; 16. a double-row bearing; 17. a first synchronizing wheel; 18. a second synchronizing wheel; 19. a synchronous belt; 20. a bifurcated oil jet pipeline; 21. an oil storage belt; 22. a cam block; 23. a servo motor.

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.

The utility model provides an electric push rod with a lubricating structure as shown in figures 1-4, which comprises a square base 1, a sound-proof shield 3 is fixedly arranged on one side of the top end of the square base 1, a servo motor 23 is arranged inside the sound-proof shield 3, the servo motor 23 is electrically connected with an external power supply through a power cord 6, an outer sleeve body 2 is fixedly arranged on the other side of the top end of the square base 1, a driving mechanism is arranged inside the square base 1, the surface of the driving mechanism is in contact connection with a first lubricating mechanism, a double-row bearing 16 is arranged at the bottom of the inner cavity of the outer sleeve body 2, a transmission lead screw 9 is arranged inside the double-row bearing 16, a limit block 10 is fixedly arranged at one end of the transmission lead screw 9, a nut seat 15 is connected with the surface transmission of the transmission lead screw 9, a push rod 8 is arranged on the outer surface of the nut seat 15 in an inserting way, two symmetrical second lubricating mechanisms are fixedly arranged on the surface of the push rod 8, both the second lubricating mechanisms are in contact connection with the inner wall of the outer sleeve body 2.

The driving mechanism comprises a first synchronizing wheel 17 and a second synchronizing wheel 18 which are movably arranged inside the square base 1, a synchronous belt 19 is rotatably connected between the first synchronizing wheel 17 and the second synchronizing wheel 18, the first synchronizing wheel 17 and the second synchronizing wheel 18 are respectively connected with the output end of a servo motor 23 and one end of a transmission screw 9, a plurality of cam blocks 22 are fixedly arranged on the surface of the synchronous belt 19, the cam blocks 22 are all in contact connection with a first lubricating mechanism, the transmission precision is improved through the synchronous transmission of the first synchronizing wheel 17, the second synchronizing wheel 18 and the synchronous belt 19, the use is convenient, the first lubricating mechanism comprises an oil storage belt 21 arranged inside the square base 1, a branched oil injection pipeline 20 is fixedly arranged at the oil outlet of the oil storage belt 21, two bent outlets of the branched oil injection pipeline 20 respectively correspond to the first synchronizing wheel 17 and the second synchronizing wheel 18, the first synchronizing wheel 17, the second synchronizing wheel 18 and the synchronous belt 19 are conveniently lubricated, reduce first synchronizing wheel 17, the wearing and tearing of second synchronizing wheel 18 and hold-in range 19, improve driven stability, two second lubrication mechanism are all including setting up at the installation shell 11 on push rod 8 surface, flexible member 12 is all installed to the inside of two installation shells 11, lubricating grease piece 14 is all installed through backplate 13 to the one end of two flexible member 12, be convenient for lubricate push rod 8 and nut seat 15, improve lubricated precision, the one end movable mounting of outer cover 2 has closing cap 4, closing cap 4 alternates swing joint with push rod 8, and closing cap 4 is fixed with oil blanket 5 with the junction of push rod 8, prevent the leakage of lubricating oil, avoid the loss, the fixed surface of outer cover 2 is equipped with a plurality of strengthening ribs 7, improve the structural strength of outer cover 2.

The utility model discloses the theory of operation: the external power supply of the servo motor 23 is connected through the power cord 6, the servo motor 23 drives the first synchronous wheel 17 to rotate, the first synchronous wheel 17 drives the second synchronous wheel 18 to rotate through the synchronous belt 19, the transmission screw 9 also correspondingly rotates, the push rod 8 is driven to do lifting motion through the nut seat 15, the synchronous belt 19 rotates along the first synchronous wheel 17 and the second synchronous wheel 18 in the using process, the cam block 22 extrudes the surface of the oil storage belt 21, the pressure is generated to enable lubricating oil in the oil storage belt 21 to be sprayed out along the branched oil spraying pipeline 20 and to be lubricated at the first synchronous wheel 17 and the second synchronous wheel 18, the abrasion of the first synchronous wheel 17 and the second synchronous wheel 18 can be effectively reduced, the service life of the electric push rod is prolonged, meanwhile, the mounting shell 11 linearly moves along with the extension and contraction of the push rod 8, and the lubricating grease block 14 is rubbed with the inner surface of the outer sleeve body 2, grease is generated in the lubricating oil tank, the nut seat 15 and the push rod 8 are lubricated, the lubricating oil is prevented from being accumulated at the bottom of the outer sleeve body 2 in the traditional filling mode, and a good lubricating effect is achieved.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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 electric push rod with the lubricating structure comprises a square base (1) and is characterized in that a sound-proof shield (3) is fixedly mounted on one side of the top end of the square base (1), a servo motor (23) is mounted inside the sound-proof shield (3), the servo motor (23) is electrically connected with an external power supply through a power line (6) which is arranged, an outer sleeve body (2) is fixedly mounted on the other side of the top end of the square base (1), a driving mechanism is mounted inside the square base (1), the surface of the driving mechanism is in contact connection with a first lubricating mechanism, a double-row bearing (16) is mounted at the bottom of an inner cavity of the outer sleeve body (2), a transmission lead screw (9) is mounted inside the double-row bearing (16), a limiting block (10) is fixedly arranged at one end of the transmission lead screw (9), and a nut seat (15) is connected with the surface of the transmission lead screw (9), the outer surface of the nut seat (15) is provided with a push rod (8) in an inserting mode, two symmetrical second lubricating mechanisms are fixedly mounted on the surface of the push rod (8), and the two second lubricating mechanisms are in contact connection with the inner wall of the outer sleeve body (2).

2. The electric push rod with the lubricating structure is characterized in that the driving mechanism comprises a first synchronizing wheel (17) and a second synchronizing wheel (18) which are movably arranged inside the square base (1), a synchronous belt (19) is rotatably connected between the first synchronizing wheel (17) and the second synchronizing wheel (18), the first synchronizing wheel (17) and the second synchronizing wheel (18) are respectively connected with the output end of a servo motor (23) and one end of a transmission screw rod (9), a plurality of cam blocks (22) are fixedly arranged on the surface of the synchronous belt (19), and the plurality of cam blocks (22) are in contact connection with the first lubricating mechanism.

3. The electric push rod with the lubricating structure according to claim 1, wherein the first lubricating mechanism comprises an oil storage belt (21) arranged inside the square base (1), a branched oil injection pipeline (20) is fixedly arranged at an oil outlet of the oil storage belt (21), and two bent outlets of the branched oil injection pipeline (20) correspond to the first synchronizing wheel (17) and the second synchronizing wheel (18) respectively.

4. The electric push rod with the lubricating structure is characterized in that the two second lubricating mechanisms respectively comprise a mounting shell (11) arranged on the surface of the push rod (8), telescopic rod pieces (12) are respectively mounted inside the two mounting shells (11), and one ends of the two telescopic rod pieces (12) are respectively provided with a lubricating grease block (14) through a back plate (13).

5. The electric push rod with the lubricating structure is characterized in that a sealing cover (4) is movably mounted at one end of the outer sleeve (2), the sealing cover (4) is movably connected with the push rod (8) in an inserting mode, and an oil sealing pad (5) is fixedly arranged at the joint of the sealing cover (4) and the push rod (8).

6. The electric putter with lubrication structure according to claim 1, wherein a plurality of ribs (7) are fixed on the surface of the outer sleeve (2).