CN210484772U

CN210484772U - Quick turnover mechanism with side driver and flap valve

Info

Publication number: CN210484772U
Application number: CN201921469716.0U
Authority: CN
Inventors: 孙围华; 田旭; 靳毅
Original assignee: Chuanbei Vacuum Technology Beijing Co ltd
Current assignee: Chuanbei Vacuum Technology Beijing Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-08
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a quick turnover mechanism with a side driver and a flap valve, wherein the turnover mechanism comprises a linear driving mechanism and is fixedly arranged on a shell; the rack is connected to the output end of the linear driving mechanism and linearly reciprocates under the action of the linear driving mechanism; the gear rotates around the axial direction of the gear, is arranged on the shell on one side of the rack and is meshed with the rack, and rotates around the axial direction of the gear under the action of the rack; the rotating shaft is fixedly connected to the gear and is arranged coaxially with the gear; the rotating shaft is connected with a valve plate, and the valve plate is driven by the rotating shaft to overturn. The linear driving mechanism drives the rotating shaft to rotate through the gear rack structure so as to realize the mode of valve plate turnover, so that the valve plate can be quickly turned over, and the valve plate turnover mechanism is low in noise, high in stability and strong in reliability in the turnover process; in addition, the mode that the rotating shaft drives the valve plate to rotate is adopted, the moment of the valve plate overturning is changed linearly, and the overturning process is smoother.

Description

Quick turnover mechanism with side driver and flap valve

Technical Field

The utility model relates to a valve design technical field, concretely relates to quick tilting mechanism and flap valve that driver side was put.

Background

With the development of science and technology, people have higher and higher requirements on the automation degree of electric appliances used daily. In order to realize the automatic opening and closing functions of the valve plate, a corresponding turnover mechanism is firmly developed by various manufacturers.

The existing valve turnover mechanism is mostly used for directly driving a valve plate to turn over by clicking, and due to the fact that the click force-bearing area is small, the click force-bearing area is very large, a motor with large power needs to be matched, the high-power motor can generate noise when working, and meanwhile, the cost of the whole equipment can be increased; in addition, when the valve plate is directly driven to overturn by the motor, the overturning moment of the valve plate is not changed linearly, the valve plate cannot be overturned smoothly at uniform speed, and the valve plate is poor in comfort.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the technical problem that big, the smoothness is low of noise that the mode that tilting mechanism among the prior art adopted the motor direct drive valve plate upset exists to a quick tilting mechanism and flap valve that driver side was put are provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a drive-side rapid turnover mechanism comprising:

the linear driving mechanism is fixedly arranged on a shell;

the rack is connected to the output end of the linear driving mechanism and linearly reciprocates under the action of the linear driving mechanism;

the gear rotates around the axial direction of the gear, is arranged on the shell on one side of the rack and is meshed with the rack, and rotates around the axial direction of the gear under the action of the rack;

the rotating shaft is fixedly connected to the gear and is arranged coaxially with the gear; the rotating shaft is connected with a valve plate, and the valve plate is driven by the rotating shaft to overturn.

Further, the linear driving mechanism is an air cylinder.

Further, the cylinder is any one of a single-rod cylinder, a double-rod cylinder or a three-rod cylinder.

Further, the cylinder is fixedly mounted on the shell through a cylinder support.

Further, the telescopic rod of the cylinder is arranged along the length direction of the shell in the telescopic direction.

Further, the cylinder bracket is located on an outer side wall of the housing.

Furthermore, the vertical sliding groove is formed in the outer side of the shell, and the end portion, opposite to one end of the air cylinder, of the rack is connected with a guide block which slides along the vertical sliding groove.

Furthermore, a limit baffle plate used for limiting the sliding stroke of the guide block is arranged on the shell.

On the other hand, the embodiment of the utility model provides a flap valve is still provided, including casing, valve plate and install in the casing lateral wall be used for the drive the valve plate upset, as above the quick tilting mechanism of driver side put.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a quick tilting mechanism of driver side, straight line actuating mechanism can drive the axis of rotation through rack and pinion structure and rotate in order to realize the upset of valve plate, because rack and pinion transmission mode has the advantage that bearing capacity is big, transmission precision is high, transmission speed is fast, this kind of tilting mechanism can realize the quick upset of valve plate, and the noise is little in the upset process, the stationarity is high, the good reliability; in addition, the mode that the rotating shaft drives the valve plate to rotate is adopted, the moment of the valve plate overturning is changed linearly, and the overturning process is smoother.

2. The utility model provides a quick tilting mechanism that driver side was put adopts the cylinder as sharp actuating mechanism, has compact structure, moves rapidly, the fast advantage of reaction, can realize the quick upset of valve plate.

3. The utility model provides a quick tilting mechanism that driver side was put, the setting of guide block on the rack can play the effect of direction for the motion of rack, prevents that rack operation in-process from taking place the skew, improves tilting mechanism's stability.

4. The utility model provides a flap valve through set up quick tilting mechanism at the casing outer wall, can realize the quick upset of valve plate, and then realizes that the automation of flap valve opens and close the function.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the embodiment of the present invention, which provides a rapid turnover mechanism.

Description of reference numerals: 1. a housing; 2. a guide block; 3. a rack; 4. a gear; 5. a rotating shaft; 6. a cylinder; 7. and a cylinder bracket.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

A driver-side fast turnover mechanism as shown in fig. 1 comprises a linear driving mechanism, a rack and pinion structure and a rotating shaft 5. Wherein, the linear driving mechanism is installed on the outer side wall of the shell 1, and the linear driving mechanism is specifically a cylinder 6 in the embodiment; the gear rack structure comprises a rack 3 connected to an output shaft of the cylinder 6 and a gear 4 meshed with the rack 3, the rack 3 makes linear reciprocating motion under the action of the cylinder 6, and the gear 4 rotates around the axial direction thereof and is arranged on the shell 1 at one side of the rack 3 and rotates around the axial direction thereof under the action of the rack 3; the rotating shaft 5 is fixedly connected to the inner side of the gear 4 and is arranged in the same axial direction as the gear 4, one end, extending out of the rotating shaft 5, of the rotating shaft is fixedly connected with a valve plate, and the valve plate is driven by the rotating shaft 5 to overturn.

The quick turnover mechanism with the side driver has the advantages that the cylinder 6 and the gear rack structure drive the rotating shaft 5 to rotate so as to drive the valve plate to turn over, the gear 4 and the rack 3 have the advantages of large bearing capacity, high transmission precision and high transmission speed, and the cylinder 6 has the advantages of quick action and quick response relative to a motor, so the turnover mechanism can realize quick turnover of the valve plate, and has low noise, high stability and strong reliability in the turnover process; in addition, the mode that the rotating shaft 5 drives the valve plate to rotate is adopted, the moment of valve plate turnover is changed linearly, and the valve plate turnover process is smoother.

In this embodiment, the linear driving mechanism uses a single rod cylinder, and in other embodiments, the linear driving mechanism may also use a double rod cylinder or a three rod cylinder. Compared with a single-rod cylinder, the double-rod cylinder and the three-rod cylinder have the advantage of higher stability in the motion process, and the rack 3 is not easy to shift in the linear motion process.

In the present embodiment, the cylinder 6 is fixedly mounted to the housing 1 by a cylinder holder 7. Preferably, the cylinder support 7 is located on the outer side wall of the housing 1, so that the occupation of the inner space of the housing 1 can be reduced, the size of the housing 1 is reduced, and the position of the cylinder support 7 can be adaptively adjusted according to needs. The specific cylinder holder 7 is fixed to the outer wall of the housing 1 by bolts.

In the present embodiment, the expansion and contraction direction of the expansion and contraction rod of the cylinder 6 is the same as the longitudinal direction of the housing 1. Because this quick tilting mechanism need provide flexible activity space for cylinder 6 is enough long, the structural design that the flexible direction of 6 telescopic links of cylinder is the same with 1 length direction of casing, can make the structure of quick tilting mechanism and 1 integration more compact, and holistic pleasing to the eye degree is better.

In this embodiment, the outer side of the housing 1 is further connected with fixing plates, a vertical sliding groove is formed between the fixing plates, and the end of the rack 3 opposite to one end of the cylinder 6 is connected with a guide block 2 sliding along the vertical sliding groove. When the cylinder 6 drives the rack 3 and the guide block 2 to do vertical sliding, the moving direction of the guide block 2 is limited by the vertical sliding groove, so that the moving direction of the rack 3 can be guided, the rack 3 is prevented from deviating in the running process, and the stability of the turnover mechanism is improved.

In this embodiment, a limit stop for limiting the sliding stroke of the guide block 2 is further connected to the outer side of the housing 1. The arrangement of the limit baffle can prevent the movement stroke of the rack 3 from being too large, and the effect of limiting and protecting the terminal of the cylinder 6 and the rack 3 is achieved.

The embodiment of the utility model provides a flap valve is still provided, including casing 1, valve plate and install in 1 lateral wall of casing be used for driving the valve plate upset as above the quick tilting mechanism of driver side put. The turnover valve of the rapid turnover mechanism with the side driver is characterized in that the driver is arranged on the outer side wall of the shell 1, so that the valve plate can be rapidly turned over, and the automatic opening and closing functions of the flap valve are further realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A drive-side rapid turnover mechanism, comprising:

the linear driving mechanism is fixedly arranged on a shell (1);

the rack (3) is connected to the output end of the linear driving mechanism and linearly reciprocates under the action of the linear driving mechanism;

the gear (4) is mounted on the shell (1) on one side of the rack (3) in a manner of rotating around the axial direction of the gear, meshed with the rack (3), and rotates around the axial direction of the rack (3);

the rotating shaft (5) is fixedly connected to the gear (4) and is arranged coaxially with the gear (4); the rotary shaft (5) is connected with a valve plate, and the valve plate is driven by the rotary shaft (5) to overturn.

2. Drive-side fast turnover mechanism according to claim 1, characterised in that the linear drive mechanism is a pneumatic cylinder (6).

3. The drive-side fast turnover mechanism of claim 2, characterized in that the air cylinder (6) is any one of a single-rod air cylinder, a double-rod air cylinder or a three-rod air cylinder.

4. The drive-sided rapid turnover mechanism of claim 2, characterized in that the cylinder (6) is fixedly mounted on the housing (1) by means of a cylinder support (7).

5. The quick turnover mechanism with the side driver as claimed in claim 2, characterised in that the telescopic rod of the cylinder (6) is arranged in the length direction of the housing (1).

6. The drive-side fast turnover mechanism of claim 4, characterized in that the cylinder bracket (7) is located on the outer side wall of the housing (1).

7. The quick turnover mechanism with the side driver as claimed in claim 2, characterised in that a vertical sliding groove is formed in the outer side of the housing (1), and a guide block (2) sliding along the vertical sliding groove is connected to the end of the rack (3) opposite to one end of the cylinder (6).

8. The quick turnover mechanism with the side driver as claimed in claim 7, characterized in that the housing (1) is provided with a limit baffle for limiting the sliding stroke of the guide block (2).

9. A flap valve, characterized by comprising a housing (1), a valve plate and a drive-side rapid turnover mechanism mounted on the side wall of the housing (1) for driving the valve plate to turn over, as claimed in any one of claims 1 to 8.