CN219875347U

CN219875347U - Electric cylinder driving device

Info

Publication number: CN219875347U
Application number: CN202222593012.2U
Authority: CN
Inventors: 李福银; 秦赛杰; 杨国芳
Original assignee: Nanjing Merkelick Mechanical And Electrical Co ltd
Current assignee: Nanjing Merkelick Mechanical And Electrical Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-10-20
Anticipated expiration: 2032-09-29

Abstract

The utility model provides an electric cylinder driving device, and relates to the technical field of driving devices. The driving device comprises a cylindrical outer shell, a power component arranged inside the outer shell, a connecting shell arranged at the side end of the outer shell, a tail end of the power component extends into the connecting shell, metal sheets are distributed along the outer periphery of the outer shell in an array mode, the metal sheets extend horizontally after outwards inclining along the outer wall of the outer shell to form, the metal sheets are in butt joint in the connecting shell and are connected to a telescopic spring at the tail end of the metal sheets, and the telescopic spring is vertically connected to the outer shell. According to the utility model, the metal sheets distributed in the array of the outer shell are matched with the through holes on the connecting shell, the metal sheets bend and compress the telescopic springs, and the automatic restorability of the telescopic springs is utilized, so that the convenience of connecting the outer shell with the connecting shell is improved.

Description

Electric cylinder driving device

Technical Field

The utility model relates to the technical field related to driving devices, in particular to an electric cylinder driving device.

Background

The electric cylinder is a modularized product with an integrated design of a servo motor and a screw rod, and the servo motor is a main driving device of the electric cylinder. The small electric cylinder has a small overall structure and is often used in various fields in life. The servo motor adopts the connection casing to be connected with transmission element such as lead screw more, for example chinese patent CN108233601a discloses a waterproof construction of electric putter, including base 1 and motor 2 and the telescopic element 3 that link to each other with base 1, and motor 2 is connected with drive assembly, and drive assembly is preferably worm gear assembly in this embodiment, and wherein worm wheel 42 installs in base 1, and worm 41 is connected with motor 2, base 1 includes drain pan 11 and upper cover 12. Most of the servo motors are connected with the connecting shell through bolts, the bolts are easy to loosen under the condition that the servo motors vibrate during working for a long time, and the transmission efficiency of the servo motors is affected.

Disclosure of Invention

The utility model aims to: the present utility model is directed to the above drawbacks and provides an electric cylinder driving apparatus to solve the above problems of the prior art.

The technical scheme is as follows: an electric cylinder driving device, comprising a cylindrical outer shell, a power component arranged inside the outer shell, and further comprising:

the connecting shell is arranged at the side end of the outer shell, the tail end of the power part extends into the connecting shell, the tail end of the power part is used for connecting other transmission elements, and the metal sheet is abutted in the connecting shell;

the metal sheets are distributed along the periphery of the shell in an array manner, and the metal sheets are formed by extending horizontally after outwards inclining along the outer wall of the shell;

and the telescopic spring is connected to the tail end of the metal sheet and is vertically connected to the outer shell.

In a further embodiment, a pair of through holes are formed at the side end of the connection housing, the through holes are distributed up and down on the connection housing, and the outer circumference diameter of the metal sheet in the relaxed state of the extension spring is smaller than the diameter of the through holes.

In a further embodiment, a power transmission groove communicated with the through hole is formed in the other side end of the connecting shell.

In a further embodiment, the top of the metal sheet is snapped with a ball, which is located on top of the extension spring.

In a further embodiment, a clamping groove is distributed in an array in one through hole, and the clamping groove is matched with the ball.

In a further embodiment, the outer shell is sleeved with a rubber ring, a sealing groove matched with the rubber ring is formed in the periphery of the through hole, and the thickness of the rubber ring is larger than the depth of the sealing groove.

The beneficial effects are that: the utility model provides an electric cylinder driving device, which is characterized in that a metal sheet arranged in an array outside a shell body and a telescopic spring arranged at the lower end of the metal sheet are matched for use, and the metal sheet is abutted with a through hole on a connecting shell body by utilizing the capability of the telescopic spring to randomly stretch and recover automatically, so that the connection of the metal sheet and the telescopic spring is realized. Be provided with the ball on the sheetmetal, the ball can roll along connecting shells inner wall, connects the inside draw-in groove that is provided with of casing, rotates the sheetmetal and makes the ball fall into the draw-in groove, and the draw-in groove is spacing to the rotation of sheetmetal and ball to the shell body is connected with the connection shell body and is formed wholly. The ball contacts with the inner wall of the outer shell, so that the ball is convenient to mount on the outer shell, and the ball rotates again, so that the outer shell can be dismounted. The rubber ring contacts with the inner wall of the outer shell, after the outer shell is connected with the connecting shell, the inner wall is sealed, the rotation friction resistance of the outer shell and the connecting shell is increased under the contact of the rubber ring and the sealing groove, and the looseness of the outer shell and the connecting shell is reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a semi-cutaway perspective view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

The reference numerals in the drawings are as follows: the device comprises an outer shell 1, a power component 2, a connecting shell 3, a metal sheet 4, a telescopic spring 5, a through hole 301, a power transmission groove 302, balls 6, a clamping groove 7, a rubber ring 8 and a sealing groove 9.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

The applicant believes that the driving means of the electric cylinders are mostly integrated and are mounted and connected to the connection housing by bolts, the driving means being provided with a cylindrical outer housing protecting the internal power components which work internally to provide driving force for the other transmission elements. Vibrations generated when the driving device is operated easily cause loosening of bolts, and when the driving device is out of order and needs maintenance, the inconvenience of disassembly is increased.

Referring to fig. 1 to 2, in order to solve the above-mentioned problems in the prior art, the present utility model provides an electric cylinder driving device, which includes a connection housing 3 disposed at a side end of an outer housing 1, wherein a tail end of a power component 2 extends into the connection housing 3, and a transmission element for connecting the tail end of the power component 2 can be disposed in the connection housing 3, so as to connect with other transmission elements. The power component 2 and the outer shell 1 form a servo motor, and the power component 2 is a conventional component in the servo motor and is not described herein. The metal sheet 4 and the telescopic spring 5 are also arranged for being matched with each other in groups. The metal sheet 4 may be formed by pressing a metal material such as aluminum alloy or stainless steel, and has a thickness of about 0.1 mm. The metal sheets 4 are distributed along the peripheral array of the outer shell 1, and extend horizontally after outwards inclining along the outer wall of the outer shell 1. The extension spring 5 is connected to the tail end of the metal sheet 4 and is vertically connected to the outer shell 1, the connecting shell 3 is arranged at the side end of the outer shell 1, the metal sheet 4 compresses the extension spring 5, the metal sheet 4 can be directly abutted against the inner wall of the connecting shell 3 under the elastic action of the extension spring 5, and the connecting shell 3 and the outer shell 1 form detachable connection. The metal sheet 4 is abutted against the inner wall of the connection housing 3 by the elastic deformation capability of the extension spring 5. The driving device is integrally connected with other transmission parts through the connecting shell 3, and the driving device provides driving force for the transmission parts.

The connection housing 3 is made of stainless steel, and has a pair of through holes 301 formed in the side ends. The through holes 301 are respectively distributed up and down on the connection housing 3, and the outer peripheral diameter of the metal sheet 4 formed in the relaxed state of the extension spring 5 is smaller than the diameter of the through holes 301. One of the through holes 301 is used for connecting with a transmission element and is self-machined to be matched with the transmission element, and the other through hole 301 is used for connecting with the outer shell 1. The size of the through hole 301 connecting the outer case 1 is equal to the outer peripheral size of the metal sheet 4 in the initial state. The inclination of the metal sheet 4 is determined according to the diameter of the through hole 301, so that after the metal sheet 4 is wholly displaced into the through hole 301, the metal sheet 4 can be directly attached to the inner wall of the outer shell 1, and under the action of the telescopic spring 5, the metal sheet 4 is tightly abutted to the inner wall of the through hole 301, and the outer shell 1 is integrally connected with the connecting shell 3. When the metal sheet 4 is dismounted, the metal sheet 4 compresses the telescopic spring 5 by manually extruding the metal sheet 4, and the metal sheet 4 is separated from the inner surface of the outer shell 1, so that the dismounting can be completed. When the metal sheet 4 is connected with the inner wall of the through hole 301, the power component 2 inside the whole driving device works, the generated vibration acts on the telescopic springs 5, the telescopic springs 5 correspond to the metal sheet 4 and are distributed in the same array, and therefore the elastic shaking of the telescopic springs 5 compensates each other, and the metal sheet 4 is guaranteed to be attached to the inner wall of the through hole 301.

The other side end of the connecting housing 3 is provided with a power transmission groove 302 which is communicated with the through hole 301 and is used for placing other transmission components connected with the power component 2. The driving device can be applied to the electric cylinder, the power transmission groove 302 is used for placing transmission components such as a connecting rotating assembly and other power inputs required by the existing electric cylinder according to the actual required set size, and motion conversion and transmission are realized.

Example two

As shown in fig. 3, in the second embodiment, a ball 6 is added on the basis of the first embodiment, a through hole 301 is formed at the top of the metal sheet 4, the ball 6 is snapped into the through hole 301 of the ball 6, that is, is located at the top of the expansion spring 5, and the ball 6 can rotate in the through hole 301 at will.

The through holes 301 connected with the outer shell are internally provided with clamping grooves 7 in an array, and the clamping grooves 7 are matched with the balls 6. The metal sheet 4 is provided with at least two groups, extends outwards from the outer wall slope of shell 1, and the metal sheet 4 during operation is located in the through-hole 301 of connection casing 3, and ball 6 is located in draw-in groove 7. The extension spring 5 that the extension end position of sheetmetal 4 is perpendicular to be connected makes sheetmetal 4 under the state that extension spring 5 is not compressed, and ball 6 at sheetmetal 4 top is laminated with draw-in groove 7 inner wall, and ball 6 locking is in draw-in groove 7, restriction shell body 1 circumference rotation. The metal sheet 4 is manually pressed, so that the balls 6 are separated from the clamping grooves 7, the balls 6 roll along the inner wall of the through hole 301 to be separated, and the outer shell 1 is separated from the connecting shell 3 to be detached.

The shell body 1 is sleeved with a rubber ring 8, a sealing groove 9 matched with the rubber ring 8 is formed in the periphery of the through hole 301, and the thickness of the rubber ring 8 is greater than the depth of the sealing groove 9. The rubber circle 8 sets up in sheetmetal 4 end, and sheetmetal 4 and ball 6 are located in the through-hole 301, and sheetmetal 4 end is located in the through-hole 301, and at this moment, rubber circle 8 just in time is located seal groove 9, and rubber circle 8 can further manual extrusion improve the laminating degree with seal groove 9 inside, and rubber circle 8 covers through-hole 301, seals inside. The rubber ring 8 protrudes out of the sealing groove 9 so as to facilitate the subsequent manual buckling of the rubber ring 8, and a gap is reserved between the buckled rubber ring 8 and the through hole 301 so as to facilitate the disassembly.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An electric cylinder driving device, including cylindric shell body, set up in the inside power component of shell body, its characterized in that still includes:

the connecting shell is arranged at the side end of the outer shell, and the tail end of the power part extends into the connecting shell;

the metal sheets are distributed along the periphery of the shell in an array manner, outwards incline along the outer wall of the shell and then horizontally extend to form the metal sheets, and the metal sheets are abutted in the connecting shell;

2. An electric cylinder driving apparatus according to claim 1, wherein: the side end of the connecting shell is provided with a pair of through holes, the through holes are distributed up and down in the connecting shell, and the peripheral diameter of the metal sheet in the state that the telescopic spring is relaxed is smaller than the diameter of the through holes.

3. An electric cylinder driving apparatus according to claim 2, wherein: and a power transmission groove communicated with the through hole is formed in the other side end of the connecting shell inwards.

4. An electric cylinder driving apparatus according to claim 2, wherein: the top of the metal sheet is buckled with a ball, and the ball is positioned at the top of the telescopic spring.

5. An electric cylinder driving apparatus according to claim 4, wherein: wherein, the inside array of through-hole distributes has the draw-in groove, the draw-in groove with the ball is fit.

6. An electric cylinder driving apparatus according to claim 5, wherein: the shell body has cup jointed the rubber circle, the through-hole periphery seted up with rubber circle matched with seal groove, rubber circle thickness is greater than seal groove degree of depth.