CN212105529U

CN212105529U - Electric push rod

Info

Publication number: CN212105529U
Application number: CN202020269354.7U
Authority: CN
Inventors: 杨立峰; 钱茂荣; 任建刚; 张洪军; 赵伟杰
Original assignee: Shaoxing Xinyi Fluid Transmission Machinery Co ltd
Current assignee: Shaoxing Xinyi Fluid Transmission Machinery Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-12-08
Anticipated expiration: 2030-03-07

Abstract

The utility model provides an electric push rod belongs to furniture electrical equipment technical field. It has been solved and has had the current door cabinet of opening through the air spring, has the life-span short, uses inconvenient problem. The utility model comprises a cylinder body, a driving motor and a piston rod, wherein the cylinder body is provided with a control box electrically connected with the driving motor, an installation lug arranged at the bottom of the cylinder body, a Hall sensor arranged in the cylinder body and an installation shaft arranged at one side of the cylinder body far away from the driving motor, the installation lug is provided with a first through hole, and the installation shaft is provided with a polygonal installation hole and a locking hole positioned at the side surface of the installation shaft; the piston rod is provided with a mounting convex shaft and a multi-directional mounting part with an adjustable angle, the mounting convex shaft is provided with a second through hole, the multi-directional mounting part comprises a threaded mounting column and a fixed shaft movably connected with the threaded mounting column, and the fixed shaft is detachably connected with the top of the piston rod; the Hall sensor is in communication connection with the control box. The utility model has the advantages of long service life, convenient maintenance and convenient use.

Description

Electric push rod

Technical Field

The utility model belongs to the technical field of furniture electrical equipment, more specifically say, it relates to an electric putter.

Background

At present, the door cabinets of the furniture are manually opened, and structures for opening and supporting through the air springs are also provided, but the structures cannot be automatically opened and closed, the use is inconvenient, particularly, the service life of the air springs is not long, and the air springs need to be replaced once losing efficacy, so that inconvenience is brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric putter of long-lived, maintenance convenience, convenient to use to the above-mentioned problem that exists among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an electric push rod comprises a cylinder body, a driving motor and a piston rod, wherein a control box electrically connected with the driving motor, an installation lug arranged at the bottom of the cylinder body, a Hall sensor arranged in the cylinder body and an installation shaft arranged at one side of the cylinder body, which is far away from the driving motor, are arranged on the cylinder body; the piston rod is provided with a mounting convex shaft and a multi-directional mounting part with an adjustable angle, the mounting convex shaft is provided with a second through hole, the multi-directional mounting part comprises a threaded mounting column and a fixed shaft movably connected with the threaded mounting column, and the fixed shaft is detachably connected with the top of the piston rod; the Hall sensor is in communication connection with the control box.

The working principle is as follows: during installation, the multi-directional installation part is fixed on the inner wall of a door cabinet through a first through hole in an installation convex block of the cylinder body and threaded fasteners such as bolts, and then is fixed on a door to be opened through a second through hole in an installation convex shaft on the piston rod and threaded fasteners such as bolts, or is installed on the door to be opened through the multi-directional installation part on the piston rod, and the multi-directional installation part is provided with an adjustable threaded installation column and a detachable fixed shaft, so that the multi-directional installation part not only can be suitable for installation in various directions and angles, but also can be directly taken down when the multi-directional installation part is not used, and the interference between the multi-directional; when the door cabinet is used, the control box is connected with a power supply to be electrified, the control box controls the driving motor to drive the piston rod in the cylinder body to do telescopic motion, so that the door cabinet is automatically opened and closed, meanwhile, the control box can control the driving motor to stop at any time, the door can stop at any time, the operation is convenient, and the piston rod can be conveniently limited in stroke through the common Hall sensor and the control box; the structure of the driving piston rod of the driving motor is traditional worm and gear transmission or gear transmission, and the rotary motion of the driving motor is converted into the linear motion of the piston rod, and the structure is not described in detail here.

Further, the control box comprises a mainboard, and a wireless communication module, a data processing module, a data storage module and a power supply module which are arranged on the mainboard, wherein a shell connected with the driving motor is arranged outside the mainboard. After power module passes through common wire circular telegram, supply power to whole mainboard, wireless communication module on the mainboard passes through bluetooth or WIFI and external equipment, for example, cell-phone and computer are connected and carry out data exchange, data processing module is after the data processing who receives, with data all save on data storage module and convert the electric signal into and send for driving motor, the motor runs the drive piston rod after receiving the electric signal, consequently can control this electric putter through cell-phone or computer etc., need not to adopt the entity switch, high durability and convenient operation, certainly wireless communication module can also adopt radio frequency communication's mode, adopt this electric putter of radio frequency remote controller control, high durability and convenient operation.

Furthermore, both ends of the mounting convex shaft respectively protrude out of the piston rod, and both end faces of the mounting shaft are provided with flexible gaskets. The flexible gasket is made of common rubber or silica gel, so that the friction coefficient of the surface is greatly increased, the effect of preventing the screw from loosening can be achieved when the screw is locked on the installation convex shaft, and the effect of mechanical limitation on the piston rod is achieved when the installation convex shaft is protruded.

Furthermore, a spherical part is arranged at the top of the fixed shaft, a spherical containing cavity is arranged in the spherical part, and a spherical head part matched with the spherical containing cavity and a threaded column provided with external threads are arranged on the threaded mounting column. The bulb portion is installed in spherical holding intracavity for screw thread erection column can carry out arbitrary rotation regulation at certain within range, makes this electric putter's installation angle more, and application scope is wider.

Furthermore, a hexagonal nut is fixedly connected to the threaded mounting column and is arranged between the ball head portion and the threaded column. Thereby pull hexagon nut through the spanner and install the screw thread erection column on the door, it is more convenient to operate, and hexagon nut's setting can adopt common hexagon nut lug weld on the screw thread erection column, need not additionally to process out the shape of nut, saves the cost.

Furthermore, the top of the cylinder body is detachably connected with a limiting block, and the piston rod is provided with a limiting sliding groove matched with the limiting block. The limiting block is embedded into the limiting sliding groove, and when the piston rod moves to the maximum stroke, the limiting block can be in contact butt with the side wall of the starting point of the limiting sliding groove, so that mechanical limitation on the maximum stroke of the piston rod is achieved, and the structure is simple.

Furthermore, the mounting lug is connected with a mounting bracket which can rotate by taking the first through hole as an axis, a first waist hole is arranged on the mounting bracket, and the mounting bracket is fixed on the mounting lug through a connecting piece. The mounting bracket can rotate on the mounting lug, so that multi-angle adjustment is realized, the electric push rod is convenient to mount, the mounting bracket can be fixed on the inner wall of the door cabinet firstly, and then the mounting bracket is mounted on the mounting lug through the connecting piece and the first through hole, so that the operation is convenient, and the structure is simple; the first waist hole can be convenient for installing the support adjusting position, and a plurality of connecting pieces can also be installed simultaneously, so that the compatibility is good.

Furthermore, the mounting shaft is connected with a mounting plate, a polygonal shaft matched with the polygonal mounting hole is arranged on the mounting plate, and a through hole matched with the locking hole is formed in the polygonal shaft. The polygonal shaft is inserted into the polygonal mounting hole to prevent the mounting plate from rotating, the mounting plate is fixed on the inner wall of the door cabinet only by firstly inserting the polygonal shaft of the mounting plate into the polygonal mounting hole, and then the mounting plate can be fixed by inserting screws or other pins.

Furthermore, the spiro union has a retaining member on the locking hole, the retaining member include with locking hole spiro union complex locking post with locate the rotatory piece at locking post top. In locking hole and perforation are locked into through the retaining member, locking hole and locking hole pass through threaded connection, can prevent the retaining member drunkenness, and rotatory piece can conveniently be operated with the hand, and is rational in infrastructure, easy operation.

Furthermore, a plurality of second waist holes are formed in the mounting plate, and the second waist holes are arranged in a circumferential array with the center of the polygonal shaft as the center of a circle. The setting in a plurality of second waist holes can make things convenient for the position control of mounting panel, also becomes low to the trompil position requirement on the door cabinet simultaneously, reduces the trompil degree of difficulty and the installation degree of difficulty.

Compared with the prior art, the electric push rod adopting the technical scheme has the following beneficial effects:

the utility model has the advantages of it is following:

1: the multi-directional mounting part is provided with the adjustable threaded mounting column and the detachable fixed shaft, so that the multi-directional mounting part not only can be suitable for mounting in various directions and angles, but also can be directly taken down when the multi-directional mounting part is not used, and the interference between the multi-directional mounting part and a door is prevented;

2: compared with the structure of the existing gas spring, the gas spring has longer service life, can realize automatic opening and closing, does not need hands to push and pull, and is simple to operate;

3: the arrangement of a plurality of installation parts facilitates the installation of the electric push rod, and the electric push rod is suitable for various furniture and has wide application range;

4: the adoption converts the rotary motion of motor into linear motion's mode, compares the problem that the air spring does not have gas leakage, and longe-lived can adjust opening speed moreover, convenient operation.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is another schematic view of FIG. 1;

FIG. 3 is another schematic view of FIG. 2;

FIG. 4 is another schematic view of FIG. 3;

fig. 5 is an enlarged view of a in fig. 3.

In the figure, 1, a cylinder body; 2. a drive motor; 3. a piston rod; 4. a control box; 11. mounting a bump; 12. installing a shaft; 111. a first through hole; 121. a polygonal mounting hole; 122. a locking hole; 31. installing a convex shaft; 32. a multidirectional mounting portion; 311. a second through hole; 321. a threaded mounting post; 322. a fixed shaft; 33. a flexible gasket; 3221. a spherical part; 3222. a spherical cavity; 3211. a ball head portion; 3212. a threaded post; 3213. a hexagonal nut; 13. a limiting block; 34. a limiting chute; 5. mounting a bracket; 51. a first waist hole; 52. a connecting member; 6. mounting a plate; 61. a polygonal shaft; 7. a locking member; 71. a locking post; 72. rotating the block; 62. a second waist hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the electric push rod includes a cylinder 1 made of aluminum alloy, a common permanent magnetic dc driving motor 2 and a piston rod 3 made of aluminum alloy, wherein the cylinder 1 is provided with a control box 4 connected with the driving motor 2 through a wire, a mounting lug 11 at the bottom of the cylinder 1 welded or machined by a machine tool, a common commercially available hall sensor mounted in the cylinder 1 by a screw or glue, and an aluminum alloy mounting shaft 12 welded or machined by a machine tool at the side of the cylinder 1 away from the driving motor 2, the mounting lug 11 is provided with a first through hole 111 machined by the machine tool, the mounting shaft 12 is provided with a polygonal mounting hole 121 and a locking hole 122 positioned at the side of the mounting shaft 12, in the embodiment, the polygonal mounting hole 121 is triangular, and the locking hole 122 is a threaded hole M4;

in this embodiment, the control box 4 includes a common PCB main board, a common wireless communication module, an existing data processing module, an existing data storage module and an existing power supply module, the PCB main board is mounted in a plastic housing, the housing is fixed on the driving motor 2 through strong glue or screws, in this embodiment, the wireless communication module is a WIFI module, the wireless communication module is in communication connection with a mobile phone through connecting a WIFI network, the electric push rod is operated by software on the mobile phone, or an existing infrared sensing device is mounted on the door, the infrared sensing device is also connected with the wireless communication module through WIFI, when the infrared sensing device detects a human body, a signal is sent to the data processing module, the data processing module controls the driving motor 2 to move, automatic opening can be realized, when the existing infrared sensing device does not detect the human body, the signal is sent to the data processing module, and the data processing module controls the driving motor 2 to move, so that automatic closing can be realized.

The piston rod 3 is welded with a mounting convex shaft 31 and a multidirectional mounting portion 32 made of stainless steel and capable of adjusting angles, a second through hole 311 is machined in the mounting convex shaft 31 through a machine tool, the multidirectional mounting portion 32 comprises a thread mounting column 321 and a fixing shaft 322, the fixing shaft 322 is connected with the top of the piston rod 3 through threads, a round ball portion 3221 machined through the machine tool is arranged at the top of the fixing shaft 322, a spherical containing cavity 3222 with an opening is machined in the round ball portion 3221 through the machine tool, a ball head portion 3211 matched with the spherical containing cavity 3222 and a thread column 3212 with an external thread are machined in the thread mounting column 321 through the machine tool, and the ball head portion 3211 is inserted into the spherical containing cavity 3222;

preferably, for convenience of operation, a common hexagon nut 3213 is welded to the threaded mounting post 321, the hexagon nut 3213 is located between the ball head portion 3211 and the threaded post 3212, and the hexagon nut 3213 may also be directly integrated with the threaded mounting post 321 and directly machined by a lathe.

The commonly available hall sensor is connected to the control box 4 by a wire. The hall sensor is not drawn in the drawing.

Specifically, the two ends of the installation convex shaft 31 protrude from the piston rod 3 respectively, the two end faces of the installation shaft 12 are fixed with flexible gaskets 33 made of rubber through glue, and the flexible gaskets 33 can also be made of silica gel.

Specifically, the top of the cylinder body 1 is provided with a T-shaped limiting block 13 through a screw, and the piston rod 3 is provided with a limiting sliding groove 34 for inserting the head of the limiting block 13 through machining.

Preferably, the mounting lug 11 is mounted with a mounting bracket 5 which can rotate around a first through hole 111 by a screw, the mounting bracket 5 is processed with a first waist hole 51 by a bench, the mounting bracket 5 is locked on the mounting lug 11 by a screw, and the mounting bracket 5 is mounted on the first through hole 111 of the mounting lug 11 in a manner similar to a hinged connection.

Preferably, a mounting plate 6 made of sheet metal is connected to the mounting shaft 12, a polygonal shaft 61 having the same shape as the polygonal mounting hole 121 is provided on the mounting plate 6, in the present embodiment, the polygonal shaft 61 has a triangular shape, and a through hole corresponding to the locking hole 122 is formed in the polygonal shaft 61 by a bench.

Preferably, the locking hole 122 is threaded with a locking member 7 made of metal, the locking member 7 comprises a locking post 71 threaded into the locking hole 122 and a sheet-shaped rotating block 72 welded on the top of the locking post 71, when the locking member 7 is screwed in continuously, the locking member can be inserted into the through hole, so that the mounting plate 6 is locked, and meanwhile, the locking member 7 cannot be easily removed by utilizing the self-locking function of the threads.

Preferably, a plurality of second waist holes 62 are machined in the mounting plate 6 through a bench, the second waist holes 62 are circumferentially arrayed around the center of the polygonal shaft 61, and in this embodiment, the number of the second waist holes 62 is four.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the cylinder body 1, the driving motor 2, the piston rod 3, the control box 4, the mounting protrusion 11, the mounting shaft 12, the first through hole 111, the polygonal mounting hole 121, the locking hole 122, the mounting protruding shaft 31, the multi-directional mounting portion 32, the second through hole 311, the threaded mounting post 321, the fixing shaft 322, the flexible gasket 33, the spherical ball portion 3221, the spherical receiving cavity 3222, the ball portion 3211, the threaded post 3212, the hexagonal nut 3213, the limiting block 13, the limiting sliding groove 34, the mounting bracket 5, the first waist hole 51, the connecting member 52, the mounting plate 6, the polygonal shaft 61, the locking member 7, the locking post 71, the rotating block 72, and the second waist hole 62 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An electric push rod comprises a cylinder body (1), a driving motor (2) and a piston rod (3), and is characterized in that a control box (4) electrically connected with the driving motor (2) and an installation bump (11) arranged at the bottom of the cylinder body (1) are arranged on the cylinder body (1), a Hall sensor is arranged in the cylinder body (1), and an installation shaft (12) is arranged on one side, far away from the driving motor (2), of the cylinder body (1); a first through hole (111) is formed in the mounting lug (11), and a polygonal mounting hole (121) and a locking hole (122) located on the side face of the mounting shaft (12) are formed in the mounting shaft (12); the piston rod (3) is provided with an installation convex shaft (31) and a multi-directional installation part (32) with an adjustable angle, the installation convex shaft (31) is provided with a second through hole (311), the multi-directional installation part (32) comprises a threaded installation column (321) and a fixed shaft (322) movably connected with the threaded installation column (321), and the fixed shaft (322) is detachably connected with the top of the piston rod (3); the Hall sensor is in communication connection with the control box (4).

2. The electric push rod according to claim 1, wherein the control box (4) comprises a main board, and a wireless communication module, a data processing module, a data storage module and a power supply module which are arranged on the main board, and a shell connected with the driving motor (2) is arranged outside the main board.

3. The electric putter as claimed in claim 1, wherein both ends of said mounting protruding shaft (31) protrude from the piston rod (3), and both end surfaces of said mounting shaft (12) are provided with flexible gaskets (33).

4. The electric putter as claimed in claim 1, wherein a spherical portion (3221) is disposed at the top of the fixed shaft (322), a spherical cavity (3222) is disposed in the spherical portion (3221), and a spherical head portion (3211) engaged with the spherical cavity (3222) and a threaded post (3212) having an external thread are disposed on the threaded mounting post (321).

5. The electric push rod as claimed in claim 4, wherein the threaded mounting post (321) is fixedly connected with a hexagonal nut (3213), and the hexagonal nut (3213) is disposed between the ball head portion (3211) and the threaded post (3212).

6. The electric push rod according to claim 1, wherein a limit block (13) is detachably connected to the top of the cylinder body (1), and a limit sliding groove (34) matched with the limit block (13) is formed in the piston rod (3).

7. The electric push rod according to claim 1, wherein the mounting lug (11) is connected with a mounting bracket (5) which can rotate by taking the first through hole (111) as an axis, a first waist hole (51) is arranged on the mounting bracket (5), and the mounting bracket (5) is fixed on the mounting lug (11) through a connecting piece (52).

8. An electric putter as claimed in claim 1, wherein a mounting plate (6) is attached to said mounting shaft (12), a polygonal shaft (61) is provided on said mounting plate (6) to fit into said polygonal mounting hole (121), and a through hole is provided on said polygonal shaft (61) to fit into said locking hole (122).

9. An electric putter as claimed in claim 8, characterized in that a locking member (7) is screwed into the locking hole (122), and the locking member (7) comprises a locking post (71) screwed into the locking hole (122) and a rotary block (72) provided on the top of the locking post (71).

10. An electric putter as claimed in claim 8, characterized in that a plurality of second waist holes (62) are provided in said mounting plate (6), said second waist holes (62) being arranged in a circumferential array around the center of the polygonal shaft (61).