Counter weight type double-layer flap valve

Abstract

The utility model discloses a counter weight type double-layer flap valve which comprises an upper valve body, a lower valve body, a driving motor and a speed reducer, the upper valve body is installed on the lower valve body, the speed reducer is installed on the side edge of the lower valve body through an installation frame, the driving motor is in transmission connection with the speed reducer, and an upper cover assembly and a lower cover plate assembly are arranged in the upper valve body and the lower valve body respectively. The upper cover assembly is connected with an upper heavy hammer rotation assembly, the lower cover assembly is connected with a lower heavy hammer rotation assembly, the output end of the speed reducer is connected with a cam mechanism, and the cam mechanism is in contact connection with the upper heavy hammer rotation assembly and the lower heavy hammer rotation assembly. The utility model has the beneficial effects that the valve body comprises the upper valve body, the lower valve body, the driving motor and the speed reducer, the driving motor drives the cam mechanism to rotate through the speed reducer, the cam mechanism respectively drives the upper heavy punch rotation assembly and the lower heavy punch rotation assembly, the upper heavy punch rotation assembly drives the upper cover assembly, and the lower heavy punch rotation assembly drives the lower cover assembly; the double-layer turning plate improves high temperature resistance and sealing performance.

Description

Technical Field

[0001] The utility model relates to the technical field of flap valves, in particular to a heavy hammer type double-layer flap valve. Background Art

[0002] The flap valve is used as the ash hopper unloading device of various types of equipment and the feeding and unloading device of various equipment such as grinders, dryers, silos, etc. to prevent wild wind from blowing in. The main driving force is a heavy hammer, electric, and push rod.

[0003] The double-layer single-door heavy hammer wind-locking flap valve currently on the market is difficult to achieve coordination between the upper and lower flaps when in use, which easily causes one of the upper and lower flaps to be opened while the other flap is not closed tightly, making it easy for wild wind to enter and resulting in poor wind-locking effect.

[0004] Therefore, it is necessary to propose a heavy hammer type double-layer flap valve for the above problems. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a heavy hammer type double-layer flap valve to solve the above-mentioned problems.

[0006] A weight hammer type double-layer flap valve, comprising an upper valve body, a lower valve body, a driving motor and a reducer, the upper valve body is installed on the lower valve body, the reducer is installed on the side of the lower valve body through a mounting frame, the driving motor is connected to the reducer in transmission, the upper valve body and the lower valve body are respectively provided with an upper cover assembly and a lower cover assembly, the upper cover assembly is connected to an upper weight hammer rotating assembly, the lower cover assembly is connected to a lower weight hammer rotating assembly, the output end of the reducer is connected to a cam mechanism, and the cam mechanism is respectively in contact with the upper weight hammer rotating assembly and the lower weight hammer rotating assembly.

[0007] Preferably, the upper cover assembly includes an upper cover plate, a first connecting frame, a first rotating shaft and a first bearing seat. The upper cover plate is connected to the first rotating shaft through the first connecting frame, and both ends of the first rotating shaft are installed on the side wall of the upper valve body through the first bearing seat.

[0008] Preferably, a first dust cover is provided at one end of the first rotating shaft, and the first dust cover is provided with a first limiting nut and a first valve plate indicating button.

[0009] Preferably, the lower cover assembly includes a lower cover plate, a second connecting frame, a second rotating shaft and a second bearing seat. The lower cover plate is connected to the second rotating shaft through the second connecting frame, and both ends of the second rotating shaft are installed on the side wall of the lower valve body through the second bearing seat.

[0010] Preferably, a second dust cover is provided at one end of the second rotating shaft, and the second dust cover is provided with a second limiting nut and a second valve plate indicating button.

[0011] Preferably, the upper weight rotation assembly includes a first rocker arm, a first counterweight, a first rotating wheel and a first connecting shaft, the first rotating wheel is installed at the middle position of the first rocker arm through the first connecting shaft, the first counterweight is installed at one end of the first rocker arm, and the other end of the first rocker arm is connected to the first rotating shaft.

[0012] Preferably, the lower weight rotation assembly includes a second rocker arm, a second counterweight, a second rotating wheel and a second connecting shaft, the second counterweight is installed at one end of the second rocker arm, the second rotating wheel is installed at the other end of the second rocker arm through the second connecting shaft, and the middle position of the second rocker arm is connected to the second rotating shaft.

[0013] Preferably, the cam mechanism is elliptical.

[0014] Compared with the prior art, the utility model has beneficial effects: the utility model has an upper valve body, a lower valve body, a driving motor and a reducer, and the driving motor drives the cam mechanism to rotate through the reducer, and the cam mechanism drives the upper weight hammer rotating assembly and the lower weight hammer rotating assembly respectively, the upper weight hammer rotating assembly drives the upper cover assembly, and the lower weight hammer rotating assembly drives the lower cover assembly, and the double-layer flap improves high temperature resistance and sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a heavy hammer type double-layer flap valve of the utility model;

[0016] Figure 2 It is a schematic diagram of the AA section of the utility model;

[0017] Figure 3 It is a schematic diagram of the BB section of the utility model;

[0018] Figure 4 This is a structural diagram of the upper cover assembly of the utility model;

[0019] Figure 5 and Figure 6 It is a structural diagram of the upper cover plate of the utility model;

[0020] Figure 7 This is a structural diagram of the lower cover assembly of the utility model;

[0021] Figure 8 and Fig. 9 It is a structural diagram of the lower cover plate of the utility model;

[0022] Fig.10 This is a structural diagram of the upper weight rotary assembly of the utility model;

[0023] Fig.11 This is a structural diagram of the lower weight rotary assembly of the utility model;

[0024] Fig.12 and Fig.13 It is a structural diagram of the cam mechanism of the utility model.

[0025] Reference numerals in the figure: 1, upper valve body; 2, lower valve body; 3, driving motor; 4, reducer; 5, mounting frame; 6, upper cover assembly; 7, lower cover assembly; 8, upper weight rotary assembly; 9, lower weight rotary assembly; 10, cam mechanism; 601, upper cover plate; 602, first connecting frame; 603, first rotating shaft; 604, first bearing; 605, first dust cover; 606, first limiting nut; 607, first valve plate indicator button Button; 701, lower cover; 702, second connecting frame; 703, second rotating shaft; 704, second bearing seat; 705, second dust cover; 706, second limiting nut; 707, second valve plate indicator button; 801, first rocker arm; 802, first counterweight; 803, first rotating wheel; 804, first connecting shaft; 901, second rocker arm; 902, second counterweight; 903, second rotating wheel; 904, second connecting shaft. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0027] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0030] like Figure 1 Combined with Figures 2 to 13 As shown, a heavy hammer type double-layer flap valve includes an upper valve body 1, a lower valve body 2, a driving motor 3 and a reducer 4, the upper valve body 1 is installed on the lower valve body 2, the reducer 4 is installed on the side of the lower valve body 2 through a mounting frame 5, the driving motor 3 is transmission-connected with the reducer 4, an upper cover assembly 6 and a lower cover assembly 7 are respectively arranged in the upper valve body 1 and the lower valve body 2, the upper cover assembly 6 is connected to an upper heavy hammer rotating assembly 8, the lower cover assembly 7 is connected to a lower heavy hammer rotating assembly 9, the output end of the reducer 4 is connected to a cam mechanism 10, and the cam mechanism 10 is respectively in contact with the upper heavy hammer rotating assembly 8 and the lower heavy hammer rotating assembly 9.

[0031] Furthermore, the upper cover assembly 6 includes an upper cover plate 601, a first connecting frame 602, a first rotating shaft 603 and a first bearing seat 604. The upper cover plate 601 is connected to the first rotating shaft 603 through the first connecting frame 602, and both ends of the first rotating shaft 603 are installed on the side wall of the upper valve body 1 through the first bearing seat 604.

[0032] Furthermore, a first dust cover 605 is disposed at one end of the first rotating shaft 603 , and the first dust cover 605 is provided with a first limiting nut 606 and a first valve plate indicating button 607 .

[0033] Furthermore, the lower cover assembly 7 includes a lower cover plate 701, a second connecting frame 702, a second rotating shaft 703 and a second bearing seat 704, the lower cover plate 701 is connected to the second rotating shaft through the second connecting frame 702, and both ends of the second rotating shaft 703 are installed on the side wall of the lower valve body 2 through the second bearing seat 704.

[0034] Furthermore, a second dust cover 705 is disposed at one end of the second rotating shaft 703 , and the second dust cover 705 is provided with a second limiting nut 706 and a second valve plate indicating button 707 .

[0035] Furthermore, the upper weight rotation assembly 8 includes a first rocker arm 801, a first counterweight 802, a first rotating wheel 803 and a first connecting shaft 804, the first rotating wheel 803 is installed at the middle position of the first rocker arm 801 through the first connecting shaft 804, the first counterweight 802 is installed at one end of the first rocker arm 801, and the other end of the first rocker arm 801 is connected to the first rotating shaft 804.

[0036] Furthermore, the lower weight rotation assembly 9 includes a second rocker arm 901, a second counterweight block 902, a second rotating wheel 903 and a second connecting shaft 904, the second counterweight block 902 is installed at one end of the second rocker arm 901, the second rotating wheel 903 is installed at the other end of the second rocker arm 901 through the second connecting shaft 904, and the middle position of the second rocker arm 901 is connected to the second rotating shaft 703.

[0037] Furthermore, the cam mechanism 10 is elliptical.

[0038] Compared with the prior art, the utility model has beneficial effects: the utility model has an upper valve body 1, a lower valve body 2, a driving motor 3 and a reducer 4, the driving motor 3 drives the cam mechanism 10 to rotate through the reducer 4, the cam mechanism 10 drives the upper weight rotary assembly 8 and the lower weight rotary assembly 9 respectively, the upper weight rotary assembly 8 drives the upper cover assembly 6, the lower weight rotary assembly 9 drives the lower cover assembly 7, and the double-layer flap improves high temperature resistance and sealing.

[0039] Working principle: the upper valve body 1 is installed on the lower valve body 2, the reducer 4 is installed on the side of the lower valve body 2 through the mounting frame 5, the driving motor 3 is connected to the reducer 4 in transmission, the upper valve body 1 and the lower valve body 2 are respectively provided with an upper cover assembly 6 and a lower cover assembly 7, the upper cover assembly 6 is connected to an upper weight rotary assembly 8, the lower cover assembly 7 is connected to a lower weight rotary assembly 9, the output end of the reducer 4 is connected to a cam mechanism 10, the cam mechanism 10 is respectively in contact with the upper weight rotary assembly 8 and the lower weight rotary assembly 9, the driving motor 3 drives the cam mechanism 10 to rotate through the reducer 4, the cam mechanism 10 respectively drives the upper weight rotary assembly 8 and the lower weight rotary assembly 9, the upper weight rotary assembly 8 drives the upper cover assembly 6, the lower weight rotary assembly 9 drives the lower cover assembly 7, to control the opening and closing of the upper valve body 1 and the lower valve body of the flap valve.

[0040] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A heavy hammer type double-layer flap valve, characterized in that: The invention comprises an upper valve body (1), a lower valve body (2), a driving motor (3) and a reducer (4); the upper valve body (1) is mounted on the lower valve body (2); the reducer (4) is mounted on the side of the lower valve body (2) via a mounting frame (5); the driving motor (3) is transmission-connected to the reducer (4); an upper cover assembly (6) and a lower cover assembly (7) are respectively arranged in the upper valve body (1) and the lower valve body (2); the upper cover assembly (6) is connected to an upper weight rotary assembly (8); the lower cover assembly (7) is connected to a lower weight rotary assembly (9); the output end of the reducer (4) is connected to a cam mechanism (10); the cam mechanism (10) is contact-connected to the upper weight rotary assembly (8) and the lower weight rotary assembly (9) respectively.

2. A heavy hammer type double-layer flap valve according to claim 1, characterized in that: The upper cover assembly (6) comprises an upper cover plate (601), a first connecting frame (602), a first rotating shaft (603) and a first bearing seat (604); the upper cover plate (601) is connected to the first rotating shaft (603) via the first connecting frame (602); both ends of the first rotating shaft (603) are mounted on the side wall of the upper valve body (1) via the first bearing seat (604).

3. A heavy hammer type double-layer flap valve as claimed in claim 2, characterized in that: A first dust cover (605) is disposed at one end of the first rotating shaft (603), and the first dust cover (605) is provided with a first limiting nut (606) and a first valve plate indicating button (607).

4. A heavy hammer type double-layer flap valve as claimed in claim 1, characterized in that: The lower cover assembly (7) comprises a lower cover plate (701), a second connecting frame (702), a second rotating shaft (703) and a second bearing seat (704); the lower cover plate (701) is connected to the second rotating shaft (703) via the second connecting frame (702); both ends of the second rotating shaft (703) are mounted on the side wall of the lower valve body (2) via the second bearing seat (704).

5. A heavy hammer type double-layer flap valve as claimed in claim 4, characterized in that: A second dust cover (705) is disposed at one end of the second rotating shaft (703), and the second dust cover (705) is provided with a second limiting nut (706) and a second valve plate indicating button (707).

6. A heavy hammer type double-layer flap valve as claimed in claim 2, characterized in that: The upper weight rotating assembly (8) comprises a first rocker arm (801), a first counterweight (802), a first rotating wheel (803) and a first connecting shaft (804); the first rotating wheel (803) is installed at a middle position of the first rocker arm (801) via the first connecting shaft (804); the first counterweight (802) is installed at one end of the first rocker arm (801); and the other end of the first rocker arm (801) is connected to the first rotating shaft (603).

7. A heavy hammer type double-layer flap valve as claimed in claim 4, characterized in that: The lower weight rotating assembly (9) comprises a second rocker arm (901), a second counterweight (902), a second rotating wheel (903) and a second connecting shaft (904); the second counterweight (902) is mounted on one end of the second rocker arm (901); the second rotating wheel (903) is mounted on the other end of the second rocker arm (901) via the second connecting shaft (904); and the middle position of the second rocker arm (901) is connected to the second rotating shaft (703).

8. A heavy hammer type double-layer flap valve as claimed in claim 1, characterized in that: The cam mechanism (10) is elliptical.

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