CN216173340U

CN216173340U - Flip mechanism and powder box comprising same

Info

Publication number: CN216173340U
Application number: CN202122113617.2U
Authority: CN
Inventors: 黎俊; 张宇森
Original assignee: ZHONGSHAN JUNHE ELECTRO-MECHANICAL APPARATUS CO LTD
Current assignee: ZHONGSHAN JUNHE ELECTRO-MECHANICAL APPARATUS CO LTD
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-05
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a flip mechanism and a powder box comprising the same, wherein the flip mechanism comprises: flip connecting seat, pivot subassembly, flip, linear actuator and flexible drive strip. The pivot component is rotatably arranged on the flip connecting seat; the flip cover is fixedly connected to the pivot assembly; the linear driver is arranged on the flip connecting seat; one end of the flexible transmission belt is connected with the pivot assembly, and the other end of the flexible transmission belt is connected with the linear driver, and the linear driver can drive the pivot assembly to rotate through the flexible transmission belt. When the linear driver is started, the flexible transmission strip is pulled to drive the pivot component to rotate, and the pivot component drives the flip cover to synchronously rotate so as to turn the flip cover to be opened; when the linear driver resets, the flexible transmission strip is relaxed, and the flip cover can reset through self-weight. The flip mechanism occupies a small space and is low in cost. The utility model also discloses a powder box adopting the flip mechanism.

Description

Flip mechanism and powder box comprising same

Technical Field

The utility model relates to a flip mechanism, in particular to a flip mechanism and a powder box comprising the same.

Background

The powder supply center is used for realizing centralized powder supply, the original powder is input into a powder box of the powder supply center through an input powder pump, and the sprayed powder is fluidized in the powder box and is conveyed to a spray gun through an output powder pump. The powder bin is typically provided with a flip to facilitate opening the interior of the powder bin for cleaning. The existing automatic cover-turning mechanism of the powder box usually adopts a link mechanism to drive a cover to be opened or a motor to drive the cover to be opened, and the link mechanism occupies a large space and has a complex structure, so that the miniaturization requirement of mechanical equipment is not facilitated; the motor-driven uncovering mode requires a motor to have larger torque, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve one of the technical problems in the prior art, and provides a flip mechanism which can occupy smaller space and has lower cost.

The utility model also provides a powder box comprising the flip mechanism.

According to an embodiment of the first aspect of the present invention, a flip cover mechanism includes: flip connecting seat, pivot subassembly, flip, linear actuator and flexible drive strip. The pivot component is rotatably arranged on the flip connecting seat; the flip cover is fixedly connected to the pivot assembly; the linear driver is arranged on the flip connecting seat; one end of the flexible transmission belt is connected with the pivot assembly, and the other end of the flexible transmission belt is connected with the linear driver, and the linear driver can drive the pivot assembly to rotate through the flexible transmission belt.

The flip cover mechanism according to the embodiment of the first aspect of the present invention has at least the following advantages: when the linear driver is started, the flexible transmission strip is pulled to drive the pivot component to rotate, and the pivot component drives the flip cover to synchronously rotate so as to turn the flip cover to be opened; when the linear driver resets, the flexible transmission strip is relaxed, and the flip cover can reset through self-weight. The flip mechanism occupies a small space and is low in cost.

According to some embodiments of the present invention, the pivot assembly includes a connecting shaft rotatably connected to the flip connecting base, and a driving wheel connected to the connecting shaft and rotating together with the connecting shaft, and one end of the flexible driving bar is connected to a circumferential surface of the driving wheel.

According to some embodiments of the utility model, the driving wheel is provided with a receiving groove at an outer circumference thereof, and one end of the flexible transmission strip is received in the receiving groove.

According to some embodiments of the utility model, the pivot assembly is provided with a pressure plate, one end of the flexible transmission bar is located between the pressure plate and the driving wheel, the pressure plate is fixedly connected to the driving wheel, and the pressure plate and the driving wheel clamp and fix one end of the flexible transmission bar.

According to some embodiments of the utility model, the pressure plate is provided with a first through hole, the flexible transmission bar is provided with a second through hole, the peripheral surface of the driving wheel is provided with a threaded hole, and the first through hole and the second through hole are provided with a screw, the screw is in threaded connection with the threaded hole of the driving wheel and locks the pressure plate and the flexible transmission bar to the driving wheel.

According to some embodiments of the present invention, the driving wheel is provided at an outer circumference thereof with a receiving groove, one end of the flexible transmission strip is received in the receiving groove, and the pressing plate is configured as an arc-shaped plate and is fittingly received in the receiving groove.

According to some embodiments of the utility model, the linear actuator is configured as a linear cylinder, a cylinder body of the linear cylinder is fixedly connected with the flip connecting seat, and a cylinder rod of the linear cylinder is connected with the other end of the flexible transmission bar.

According to some embodiments of the utility model, a side of the flip cover connector base remote from the pivot assembly is provided with a pressing member, the pressing member is screwed to the flip cover connector base, the pressing member is provided with a flange portion, a flip cover clamping position is formed between the flange portion and the flip cover connector base, and one side of the flip cover can enter the flip cover clamping position.

According to some embodiments of the utility model, a lower end face of the flange portion is disposed obliquely with respect to a plane perpendicular to a screwing axis of the pressing member.

The powder bin according to the second aspect embodiment of the present invention comprises the flip mechanism of the first aspect embodiment of the present invention.

The powder box according to the embodiment of the second aspect of the utility model has at least the following beneficial effects: due to the adoption of the flip mechanism, the powder box is miniaturized, and the cost is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic perspective view of a powder bin according to an embodiment of the utility model;

FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of the structure shown in FIG. 1 at B;

FIG. 4 is a schematic perspective view of a flexible drive strip according to an embodiment of the present invention;

FIG. 5 is a perspective view of a drive wheel of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a platen according to an embodiment of the present invention;

fig. 7 is a perspective view of a connecting shaft according to an embodiment of the present invention.

Reference numerals:

a flip cover connection base 100;

the hinge assembly 200, the connecting shaft 210, the square connecting part 211, the driving wheel 220, the accommodating groove 221 and the pressing plate 230;

a flip cover 300;

a linear driver 400;

a flexible drive strip 500;

the pressing member 600, the flange portion 610, and the handle portion 620.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, the flip cover mechanism of the present embodiment includes a flip cover link base 100, a pivot assembly 200, a linear actuator 400, a flip cover 300, and a flexible driving strip 500. The pivot assembly 200 is rotatably disposed at the flip connector base 100; the folder 300 is connected to the pivot assembly 200 and rotates together with the pivot assembly 200; the linear actuator 400 is disposed at the flip cover connector base 100; the flexible driving bar 500 is connected to the pivot assembly 200 at one end and connected to the linear actuator 400 at the other end, and the linear actuator 400 can rotate the pivot assembly 200 through the flexible driving bar 500. When the linear driver 400 is started, the flexible transmission bar 500 is pulled to drive the pivot assembly 200 to rotate, and the pivot assembly 200 drives the flip cover 300 to synchronously rotate, so that the flip cover 300 is turned and opened; when the linear actuator 400 is reset, the flexible driving strip 500 is released and the folder 300 can be reset by its own weight. The flip mechanism occupies a small space and is low in cost.

In this embodiment, the pivot assembly 200 is inserted into the pivot hole of the flip connecting base 100 to rotate, and the pivot assembly 200 is inserted into the square connecting hole (not shown) of the flip 300 through the square connecting portion 211, so as to realize a connection capable of rotating together. In other embodiments, the pivot assembly 200 may also be provided with a pivot hole, and the flip connector base 100 is provided with a pivot shaft to realize the pivotal connection between the pivot assembly 200 and the flip connector base 100. In other embodiments, the pivot assembly 200 and the flip cover 300 can be connected to rotate together by keying, riveting, welding or bolting.

Referring to fig. 3 to 7, in the present embodiment, the pivot assembly 200 includes a connecting shaft 210 and a driving wheel 220, the connecting shaft 210 is rotatably connected to the flip link base 100, the driving wheel 220 is connected to the connecting shaft 210 and rotates together with the connecting shaft 210, and one end of the flexible driving bar 500 is connected to a circumferential surface of the driving wheel 220. With the above-described structure, the linear actuator 400 can better drive the pivot assembly 200 to rotate. In this embodiment, the driving wheel 220 is sleeved on the connecting shaft 210 in a key connection manner. Optionally, the driving wheel 220 and the connecting shaft 210 may be fixedly connected by riveting, screwing or welding, or the driving wheel 220 and the connecting shaft 210 may be made into an integral piece. In this embodiment, the flexible transmission strip 500 is connected to the circumference of the driving wheel 220, so as to better pull the driving wheel 220 to rotate. Of course, it is envisioned that the flexible drive strap 500 may be attached to the end of the pivot assembly 200 at a location offset from the center of the circle, as well as the function of driving the pivot assembly 200 in rotation. In this embodiment, in a state that the folder 300 is closed, one end of the flexible connection belt is wound around the circumference of the driving wheel 220 so as to better drive the driving wheel 220 to rotate. It is understood that the flexible drive strip 500 may not be disposed around the periphery of the drive wheel 220.

Referring to fig. 3 to 5, in the present embodiment, a containing groove 221 is disposed at an outer circumference of the driving wheel 220, and one end of the flexible transmission strip 500 is contained in the containing groove 221. The driving wheel 220 is provided with a receiving groove, so that the probability that the flexible transmission strip 500 is separated from the driving wheel 220 is reduced.

Referring to fig. 3 to 6, in the present embodiment, the pivot assembly 200 is provided with a pressing plate 230, one end of the flexible transmission bar 500 is located between the pressing plate 230 and the driving wheel 220, the pressing plate 230 is fixedly connected to the driving wheel 220, and the pressing plate 230 and the driving wheel 220 clamp and fix one end of the flexible transmission bar 500. The structure is adopted to fix one end of the flexible transmission strip 500, and the connection is stable.

In this embodiment, two sets of first through holes are provided on the pressing plate 230, two sets of second through holes are provided correspondingly to the flexible transmission strip 500, two sets of threaded holes are provided correspondingly to the bottom of the accommodating groove 221 of the driving wheel 220, the screw passes through the pressing plate 230 and is connected to the driving wheel 220 with the flexible traditional strip through threads, and when the screw is tightened, the pressing plate 230 compresses one end of the flexible transmission strip 500 tightly on the periphery of the driving wheel 220, thereby realizing clamping fixation. With the above structure, the screw penetrates through the flexible transmission strip 500, so that the flexible transmission strip 500 is less prone to be disengaged. In other embodiments, only one or more than two sets of the first through holes and the second through holes may be provided. Alternatively, in some other embodiments, the pressing plate 230 may be fixedly connected to the driving wheel 220 by riveting, welding, or clipping.

In an embodiment, the flexible drive strip 500 may be a flexible belt or a flexible cord of rubber tape, rope, nylon tape, or the like.

Referring to fig. 3 to 6, in the present embodiment, the driving wheel 220 is provided with a receiving groove 221 at an outer circumference thereof, one end of the flexible transmission strip 500 is received in the receiving groove 221, and the pressing plate 230 is configured as an arc-shaped plate and is fittingly received in the receiving groove 221. The pressure plate 230 with the structure is beneficial to better match and clamp the flexible transmission strip 500 between the pressure plate 230 and the driving wheel 220.

Referring to fig. 1, in the present embodiment, the linear actuator 400 is configured as a linear air cylinder, a cylinder body of the linear air cylinder is fixedly connected with the flip link base 100, and a cylinder rod of the linear air cylinder is connected with the other end of the flexible driving strip 500. When the linear cylinder is started, the cylinder rod pulls the flexible transmission bar 500, and the flexible transmission bar 500 drives the flip cover 300 to rotate through the pivot assembly 200, so that the structure is simple and the implementation is easy. Alternatively, the linear actuator 400 may be an electromagnet, an electric push rod, or the like. The fixed connection of the cylinder body of the linear cylinder and the flip connecting seat 100 can be realized by a threaded fastener, a connecting piece, welding and the like.

Referring to fig. 1 to 2, in the present embodiment, a pressing member 600 is disposed on a side of the flip cover connector base 100 away from the pivot assembly 200, the pressing member 600 is threadedly coupled to the flip cover connector base 100, the pressing member 600 is provided with a flange portion 610, a flip cover clamping position is formed between the flange portion 610 and the flip cover connector base 100, and a side of the flip cover 300 can enter the flip cover clamping position. When the folder 300 is closed, the pressing member 600 is tightened, the flange portion 610 gradually approaches the folder 300, and then the folder 300 is pressed against the folder coupling base 100, reducing the risk that the folder 300 is opened due to an unexpected factor. In this embodiment, the lower end of the pressing member 600 is screwed to the flip connector base 100, one end of the flip 300 is located in the flip clamping position when the flip is closed, and the flange 610 is an annular block protruding from the pressing member 600 along the radial direction. The flange portion 610 is further provided with a default portion for opening or closing the folder 300. Alternatively, in some other embodiments, the pressing member 600 may be removed entirely, and then the flip 300 may be closed or the flip 300 may be opened, and then the pressing member 600 may be reinstalled.

Referring to fig. 1 to 2, in the present embodiment, the lower end surface of the flange portion 610 is disposed obliquely with respect to a plane perpendicular to the screwing axis of the pressing member 600. In this embodiment, when the lid 300 is closed, the lower end surface of the flange portion 610 is used for locking the lid 300, and the flange portion 610 further enhances the locking effect when the lid 300 is locked by providing the inclined lower end surface.

In this embodiment, the pressing member 600 is provided with a handle part 620, and the handle part 620 is a rod having one end connected to the pressing member 600. The operator can screw down the pressing member 600 by pushing the handle part 620, and the structure is simple and easy to implement.

Referring to fig. 1 to 2, in the present embodiment, a powder box is provided, and the powder box adopts the above-mentioned flip mechanism. The powder box is provided with the flip mechanism, so that the miniaturization and the cost reduction of the powder box are facilitated. In this embodiment, the flip cover connection seat 100 is disposed at the upper portion of the powder box.

The flip mechanism of the present embodiment is particularly suitable for a powder box in the powder spraying field, and of course, the flip mechanism of the present embodiment may also be used in other application fields.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A flip mechanism, comprising:

a flip cover connection base (100);

a pivot assembly (200) rotatably provided to the flip connector base (100);

a flip cover (300) connected to the pivot assembly (200) and rotating together with the pivot assembly (200);

a linear actuator (400) disposed at the flip cover connection seat (100);

and one end of the flexible transmission bar (500) is connected to the pivot assembly (200), the other end of the flexible transmission bar is connected with the linear driver (400), and the linear driver (400) can drive the pivot assembly (200) to rotate through the flexible transmission bar (500).

2. The flip mechanism of claim 1, wherein: the pivot assembly (200) comprises a connecting shaft (210) and a driving wheel (220), the connecting shaft (210) is rotatably connected to the flip connecting seat (100), the driving wheel (220) is connected to the connecting shaft (210) and rotates together with the connecting shaft (210), and one end of the flexible transmission bar (500) is connected to the circumferential surface of the driving wheel (220).

3. The flip mechanism of claim 2, wherein: an accommodating groove (221) is formed in the periphery of the driving wheel (220), and one end of the flexible transmission strip (500) is accommodated in the accommodating groove (221).

4. The flip mechanism of claim 2, wherein: the pivot assembly (200) is provided with a pressing plate (230), one end of the flexible transmission bar (500) is located between the pressing plate (230) and the driving wheel (220), the pressing plate (230) is fixedly connected to the driving wheel (220), and the pressing plate (230) and the driving wheel (220) clamp and fix one end of the flexible transmission bar (500).

5. The flip mechanism of claim 4, wherein: the clamp plate (230) is provided with first clearing hole, flexible transmission strip (500) are provided with the second and pass through the hole, the global of drive wheel (220) is provided with the screw hole, first clearing hole with the screw is worn to be equipped with by the second through hole, screw threaded connection in drive wheel (220) the screw hole and with clamp plate (230) with flexible transmission strip (500) lock pay in drive wheel (220).

6. The flip mechanism of claim 4, wherein: an accommodating groove (221) is formed in the periphery of the driving wheel (220), one end of the flexible transmission strip (500) is accommodated in the accommodating groove (221), and the pressing plate (230) is configured into an arc-shaped plate and is accommodated in the accommodating groove (221) in a matching mode.

7. The flip mechanism of claim 1, wherein: the linear driver (400) is configured to be a linear cylinder, a cylinder body of the linear cylinder is fixedly connected with the flip connecting seat (100), and a cylinder rod of the linear cylinder is connected with the other end of the flexible transmission strip (500).

8. The flip mechanism of claim 1, wherein: a pressing piece (600) is arranged on one side, away from the pivot assembly (200), of the flip connecting seat (100), the pressing piece (600) is in threaded connection with the flip connecting seat (100), a flange portion (610) is arranged on the pressing piece (600), a flip clamping position is formed between the flange portion (610) and the flip connecting seat (100), and one side of the flip (300) can enter the flip clamping position.

9. The flip mechanism of claim 8, wherein: the lower end surface of the flange portion (610) is disposed obliquely with respect to a plane perpendicular to the screwing axis of the pressing member (600).

10. A powder bin, comprising: a flip cover mechanism as claimed in any one of claims 1 to 9.