Electric push rod with high adaptability

Abstract

The utility model provides an electric push rod with high adaptability, which comprises two shells, one ends of the two shells are connected with a base, a motor and a push rod assembly are respectively arranged in the two shells, the base is annular, a detachable mounting plate is connected in the base, the mounting plate is arranged at the middle position of the base, and the push rod assembly is arranged in the mounting plate. A first installation groove and a second installation groove are formed in the two sides of the installation plate respectively, the two shells are connected into the first installation groove respectively, shaft holes corresponding to the motor and the push rod assembly respectively are formed in the installation plate, and a cover body is arranged on the opening side of the second installation groove. The mounting plate is arranged to be matched with the driving shaft and the screw rod of the motor, and the mounting plate and the base are of a detachable connection structure, so that driving shafts and screw rods with different diameters can be matched by replacing different mounting plates, the adaptability can be improved, and mounting and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric push rods, in particular to an electric push rod with high adaptability. Background Art

[0002] The electric push rod is mainly composed of a motor and a retractable push rod assembly. The push rod assembly includes a screw and a telescopic rod threadedly connected to the screw. The motor drives the screw to rotate to drive the telescopic rod to move.

[0003] like Figure 1 As shown, an existing electric push rod has two shells 01, and the motor and the retractable push rod assembly are respectively arranged in the two shells 01. One end of the two shells 01 is fixedly connected to the mounting base 02. The mounting base 02 is provided with a transmission gear, and the motor and the push rod assembly are connected through the transmission gear.

[0004] In the above structure, the mounting seat 02 has two mounting grooves 03, one end of the two housings 01 is respectively connected to one mounting groove 03, the transmission gear is arranged in the other mounting groove 03, the mounting seat 02 is provided with an axial hole 04 connecting the two mounting grooves 03, the driving shaft of the motor and the screw of the push rod assembly respectively pass through the axial holes and are connected to the transmission gear. Usually, the mounting seat 02 is made of plastic, and after the mounting seat 02 is manufactured, the size of the axial hole on it is fixed, and it can only adapt to the driving shaft and screw with suitable diameters. If the diameter of the driving shaft and the screw is too large, it cannot be installed, and there is a problem of poor adaptability. Summary of the invention

[0005] In view of the problems pointed out in the background technology, the utility model proposes an electric push rod with high adaptability to solve the above technical problems.

[0006] The technical solution of the utility model is achieved in this way:

[0007] A highly adaptable electric push rod comprises two shells, one end of the two shells is connected to a base, a motor and a push rod assembly are respectively arranged in the two shells, the base is annular, a detachable mounting plate is connected to the base, the mounting plate is arranged in the middle position of the base, mounting groove 1 and mounting groove 2 are respectively formed on both sides of the mounting plate, the two shells are respectively connected to the mounting groove 1, the mounting plate is provided with axial holes corresponding to the motor and the push rod assembly respectively, and a cover body is provided on the opening side of the mounting groove 2.

[0008] The utility model is further configured that the housing comprises a first housing and a second housing, the motor is installed in the first housing, and the push rod assembly is installed in the second housing.

[0009] The utility model is further configured such that the shell 1 is integrally arranged with the base, the shell 1 is opened on one side facing the base, and the driving shaft of the motor passes through the shaft hole on the mounting plate and extends into the mounting groove 2.

[0010] The utility model is further configured that a mounting seat is provided inside the base, the second shell is fixedly connected to the mounting seat, and a through hole corresponding to the push rod assembly is provided on the mounting seat.

[0011] The utility model is further configured as follows: the push rod assembly includes a screw rod and a telescopic tube, the screw rod is rotatably connected to the mounting seat, a nut is connected to the screw rod, the telescopic tube is connected to the nut, and one end of the screw rod passes through the through hole and the axial hole on the mounting plate and extends into the second mounting groove.

[0012] The utility model is further configured that the driving shaft and the screw rod of the motor are linked and connected via a transmission gear, and the transmission gear is arranged in the second installation groove.

[0013] The utility model is further configured that the mounting plate is fixedly connected to the mounting seat.

[0014] The utility model is further configured such that a fixing portion connected to a mounting plate is provided on the inner side of the base, the fixing portion is arranged corresponding to the mounting seat, threaded holes are respectively provided on the fixing portion and the mounting seat, a connecting hole corresponding to the threaded hole is provided on the mounting plate, and screws are connected in the threaded hole and the connecting hole.

[0015] The utility model is further configured that the cover body is fixedly connected to the base through screws.

[0016] The utility model is further configured that the mounting plate is adaptively connected to the inner cavity of the base.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0018] The electric push rod with high adaptability provided by the utility model cooperates with the driving shaft and screw of the motor by arranging a mounting plate, and the mounting plate and the base are a detachable connection structure, so that the driving shaft and screw of different diameters can be matched by replacing different mounting plates (the shaft hole on the mounting plate can be designed to the required size as needed), so that its adaptability can be improved and installation and maintenance are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 It is a structural schematic diagram of an existing electric push rod.

[0021] Figure 2 The utility model is shown in FIG. Figure 1 .

[0022] Figure 3 The utility model is shown in FIG. Figure 2 .

[0023] Figure 4 It is a cross-sectional view of the utility model.

[0024] Figure 5 This is a schematic diagram of the structure of the mounting base of the utility model.

[0025] Description of the numbers in the accompanying drawings: base 1, motor 2, mounting plate 3, mounting slot one 4, mounting slot two 5, shaft hole 6, cover body 7, shell one 8, shell two 9, mounting seat 10, through hole 11, screw 12, telescopic tube 13, nut 14, fixing part 15. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] For reference Figure 1-5 The utility model is described as follows:

[0028] Embodiment 1: An electric push rod with high adaptability comprises two shells, one end of the two shells is connected to a base 1, a motor 2 and a push rod assembly are respectively disposed in the two shells, the shells comprise a shell 1 8 and a shell 2 9, the motor 2 is installed in the shell 1 8, and the push rod assembly is installed in the shell 2 9.

[0029] The base 1 is annular, with both ends of the base 1 open. A detachable mounting plate 3 is connected inside the base 1. The mounting plate 3 is adaptably connected to the inner cavity of the base 1. The mounting plate 3 is arranged in the middle position of the base 1. A mounting groove 1 4 and a mounting groove 2 5 are formed on both sides of the mounting plate 3 respectively. The two shells are respectively connected to the mounting groove 1 4. The mounting plate 3 is provided with axial holes 6 corresponding to the motor 2 and the push rod assembly respectively. A cover body 7 is provided on the open side of the mounting groove 2 5, and the cover body 7 is fixedly connected to the base 1 by screws.

[0030] The shell 1 8 is integrally provided with the base 1, and the shell 1 8 is provided with an opening on one side facing the base 1, which is equivalent to that the interior of the shell 1 8 is connected with the base 1. A mounting seat 10 is provided at a position corresponding to the shell 2 9 in the base 1, and the shell 2 9 and the mounting seat 10 are fixedly connected by screws. The edge of the connection end of the shell 2 9 and the base 1 is restricted by the base 1, and the mounting seat 10 is provided with a through hole 11 corresponding to the push rod assembly. The mounting plate 3 is fixedly connected with the mounting seat 10, and a fixing portion 15 connected to the mounting plate 3 is provided on the inner side of the base 1. The fixing portion 15 is provided corresponding to the mounting seat 10, and threaded holes are provided on the fixing portion 15 and the mounting seat 10 respectively, and a connecting hole corresponding to the threaded hole is provided on the mounting plate 3, and screws are connected in the threaded hole and the connecting hole.

[0031] The driving shaft of the motor 2 passes through the shaft hole 6 on the mounting plate 3 and extends into the second mounting groove 5.

[0032] The push rod assembly includes a screw 12 and a telescopic tube 13. The screw 12 is rotatably connected to the mounting seat 10. A nut 14 is threadedly connected to the screw 12. The screw 12 rotates forward and backward, which drives the nut 14 to reciprocate in the length direction of the screw 12. The telescopic tube 13 is fixedly connected to the nut 14. The screw 12 is located on the inner side of the telescopic tube 13. One end of the screw 12 passes through the through hole 11 and the axial hole 6 on the mounting plate 3 and extends into the mounting groove 2 5. One end of the housing 2 9 is fixedly connected to the mounting seat 10 and the base, and the other end of the housing 2 9 is provided with an opening for the telescopic tube 13 to pass through.

[0033] In the present application, the mounting plate 3 is provided with a hole through which the driving shaft 21 of the power supply motor and the screw rod pass, and the mounting plate 3 is detachably arranged, so that different mounting plates 3 can be selected according to driving shafts and screw rods of different diameters.

[0034] The drive shaft of the motor 2 and the screw 12 are linked by a transmission gear, and the transmission gear is arranged in the mounting groove 2 5. The drive shaft of the motor 2 and the screw 12 are respectively fixedly connected with coaxial gears therewith, and a gear meshing with the two gears is arranged between the two gears.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric push rod with high adaptability, comprising two housings, one end of each housing being connected to a base (1), and each housing having a motor (2) and a push rod assembly, characterized in that: The base (1) is annular, and a detachable mounting plate (3) is connected inside the base (1). The mounting plate (3) is arranged in the middle position of the base (1). The mounting plate (3) forms a mounting groove 1 (4) and a mounting groove 2 (5) on both sides, respectively. The two shells are respectively connected to the mounting groove 1 (4). The mounting plate (3) is provided with axial holes (6) corresponding to the motor (2) and the push rod assembly, respectively, and a cover body (7) is provided on the opening side of the mounting groove 2 (5).

2. The highly adaptable electric linear actuator according to claim 1, characterized in that: The housing comprises a housing 1 (8) and a housing 2 (9), the motor (2) is installed in the housing 1 (8), and the push rod assembly is installed in the housing 2 (9).

3. The highly adaptable electric linear actuator according to claim 2, characterized in that: The housing 1 (8) is integrally arranged with the base (1), and the housing 1 (8) is opened on one side facing the base (1). The driving shaft of the motor (2) passes through the shaft hole (6) on the mounting plate (3) and extends into the mounting groove 2 (5).

4. The highly adaptable electric push rod according to claim 3, characterized in that: The base (1) is provided with a mounting seat (10), the second shell (9) is fixedly connected to the mounting seat (10), and the mounting seat (10) is provided with a through hole (11) corresponding to the push rod assembly.

5. The highly adaptable electric push rod according to claim 4, characterized in that: The push rod assembly comprises a screw rod (12) and a telescopic tube (13), the screw rod (12) is rotatably connected to the mounting seat (10), a nut (14) is connected to the screw rod (12), the telescopic tube (13) is connected to the nut (14), and one end of the screw rod (12) passes through the through hole (11) and the axial hole (6) on the mounting plate (3) and extends into the second mounting groove (5).

6. The highly adaptable electric push rod according to claim 5, characterized in that: The driving shaft of the motor (2) and the screw rod (12) are linked and connected via a transmission gear, and the transmission gear is arranged in the second installation groove (5).

7. The highly adaptable electric linear actuator according to claim 4, characterized in that: The mounting plate (3) is fixedly connected to the mounting seat (10).

8. The highly adaptable electric linear actuator according to claim 7, characterized in that: The inner side of the base (1) is provided with a fixing portion (15) connected to the mounting plate (3); the fixing portion (15) is arranged corresponding to the mounting seat (10); threaded holes are respectively provided on the fixing portion (15) and the mounting seat (10); the mounting plate (3) is provided with connecting holes corresponding to the threaded holes; screws are connected in the threaded holes and the connecting holes.

9. The highly adaptable electric linear actuator according to claim 1, characterized in that: The cover body (7) is fixedly connected to the base (1) via screws.

10. The electric push rod with high adaptability according to claim 1, characterized in that: The mounting plate (3) is adaptably connected to the inner cavity of the base (1).

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