Quick-opening and quick-closing sealing door assembly

Abstract

The utility model provides a quick-opening quick-closing sealing door assembly, which relates to the technical field of machinery manufacturing, and comprises a cylinder, a cylinder cover and an overturning connecting part connected between the cylinder and the cylinder cover, the cylinder cover is rotatably connected with the overturning connecting part, the circumference of the outer cylinder surface of the upper part of the cylinder is parallel and is provided with a plurality of threaded sections at intervals, and the threaded sections are connected with the cylinder cover. The lower edge of the cylinder cover is inwards provided with at least two protrusions, and the upper side edges of the protrusions correspond to the radian of the threaded section. According to the technical scheme, the technical problems that in the prior art, an intermediate-speed opening and closing safety door is complex in structure and inconvenient to operate are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a quick-opening and quick-closing sealed door component. Background Art

[0002] In biomass gasification and coal gas production series devices, it is necessary to instantly adjust the thermal conditions in the furnace, so a safety door that can be opened and closed quickly is required. Most of the quick-opening and quick-closing safety doors in the prior art have complex structures and are inconvenient to operate. They are not suitable for instantly adjusting the thermal conditions in the furnace in biomass gasification and coal gas production series devices. Utility Model Content

[0003] The purpose of the utility model is to provide a fast opening and closing sealing door assembly to solve the technical problems of the fast opening and closing safety door in the prior art, which is complex in structure and inconvenient to operate. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0004] To achieve the above-mentioned purpose, the utility model provides a quick-open and quick-close sealing door assembly, comprising a cylinder, a cylinder cover and a flip connection portion connected between the cylinder and the cylinder cover, the cylinder cover being rotatably connected to the flip connection portion, a plurality of threaded segments are arranged parallel to and at intervals on the circumference of the outer cylinder surface of the upper part of the cylinder, at least two protrusions are arranged inwardly on the lower edge of the cylinder cover, and the upper side edge of the protrusion is arranged corresponding to the curvature of the threaded segment.

[0005] Optionally, the barrel cover is rotatably connected to the flip connection part, comprising: a threaded hole is provided in the middle of the barrel cover, a through hole is provided at one end of the flap of the flip connection part, and a bolt passes through the through hole and the threaded hole to connect the flip connection part to the barrel cover.

[0006] Optionally, the threaded hole is formed by a nut welded at the middle of the cylinder cover.

[0007] Optionally, the flip connection portion further comprises a pair of ear plates fixedly arranged on the upper portion of the cylinder, and the other end of the flip plate is rotatably connected between the upper ends of the pair of ear plates.

[0008] Optionally, a concentric through hole is provided at the upper end of the pair of ear plates, and a reel is provided at the other end of the flap, and a screw rod passes through the through hole on one of the ear plates, the reel and the through hole on the other ear plate of the pair of ear plates, respectively, to rotatably connect the flap to the pair of ear plates.

[0009] Optionally, an inner folded edge is provided at the lower edge of the cylinder cover, and the protrusion is provided on the inner folded edge.

[0010] Optionally, a sealing gasket is provided on the inner top surface of the cylinder cover corresponding to the upper end surface of the cylinder.

[0011] Optionally, two gripping rods are symmetrically arranged in the middle of the outer cylinder surface of the cylinder cover.

[0012] The technical solution of the utility model may have the following beneficial effects:

[0013] The utility model provides a quick-open and quick-close sealing door assembly, in which a cylinder cover is rotatably connected to one end of a flip connection part, and a quick-clamping matching structure is formed between the cylinder cover and a threaded section on the cylinder through an inner protrusion, so that the cylinder cover can be quickly switched and opened, and a quick-opening door structure with a simple structure and convenient operation is provided, which is suitable for the instantaneous adjustment of the thermal conditions in the furnace in a series of biomass gasification and coal gas production devices.

[0014] It can be seen that the fast-opening and fast-closing sealed door assembly of the present invention solves the technical problems of the complex structure and inconvenient operation of the fast-opening and fast-closing safety door in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a structural schematic diagram of a quick-open and quick-close sealed door assembly according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a simple cylinder of a quick-open and quick-close sealed door assembly according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a cylinder cover of a quick-open and quick-close sealing door assembly according to another embodiment of the utility model;

[0019] Figure 4 It is a side view of a quick-open and quick-close sealed door assembly according to an embodiment of the utility model;

[0020] Figure 5 yes Figure 4 A-A section view.

[0021] In the figure: 1, simple cylinder; 11, threaded section; 2, cylinder cover; 21, inner folded edge; 22, protrusion; 23, nut; 24, grip rod; 25, sealing gasket; 3, flip connection part; 31, flap; 311, reel; 32, ear plate; 33, bolt; 34, stud. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0024] like Figure 1-5 As shown:

[0025] The utility model provides a fast-opening and fast-closing sealed door assembly, comprising a cylinder 1, a cylinder cover 2 and a flip connection part 3 connected between the cylinder 1 and the cylinder cover 2, the cylinder cover 2 being rotatably connected to the flip connection part 3, a plurality of thread segments 11 are arranged parallel to and at intervals on the circumference of the outer cylinder surface of the upper part of the cylinder 1, at least two protrusions 22 are arranged inwardly on the lower edge of the cylinder cover 2, and the upper side edge of the protrusion 22 is arranged corresponding to the curvature of the thread segment 11.

[0026] Specifically, by rotatably connecting the cylinder cover 2 to one end of the flip connection part 3, the cylinder cover 2 forms a quick-clamping matching structure with the threaded section 11 on the cylinder 1 through the inner protrusion 22, so that the cylinder cover 2 can be quickly opened and closed, providing a quick-opening door structure with a simple structure and easy operation, which is suitable for instantly adjusting the thermal conditions in the furnace in a series of biomass gasification and coal gas production devices.

[0027] As an optional embodiment, the barrel cover 2 is rotatably connected to the flip connection part 3, including a threaded hole being provided in the middle of the barrel cover 2, a through hole being provided at one end of the flap 31 of the flip connection part 3, and a bolt 33 passing through the through hole and the threaded hole to connect the flip connection part 3 with the barrel cover 2.

[0028] As an optional implementation, the threaded hole is formed by a nut 34 welded at the middle of the cylinder cover.

[0029] Specifically, the nut 34 is welded to the middle of the top of the cylinder cover 2 . After the cylinder cover 2 is inserted into the cylinder and tightened, the end of the flap 31 is tightened onto the cylinder cover 2 by the bolt 33 .

[0030] As an optional implementation, the flip connection part 3 further includes a pair of ear plates 32 fixedly arranged on the upper part of the cylinder 1 , and the other end of the flap 31 is rotatably connected between the upper ends of the pair of ear plates 32 .

[0031] As an optional embodiment, a concentric through hole is provided at the upper end of the pair of ear plates 32, a reel 311 is provided at the other end of the flap 31, and a screw 34 passes through the through hole on one of the ear plates 32, the reel 311 and the through hole on the other ear plate of the pair of ear plates, respectively, to rotatably connect the flap 31 to the pair of ear plates 32.

[0032] In this structure, when the drum cover 2 is turned over, the drum cover 2 can rotate around the screw rod 34 along with the turning plate 31 .

[0033] As an optional implementation, the lower edge of the cylinder cover 2 is provided with an inner folded edge 21 , and the protrusion 22 is provided on the inner folded edge 21 .

[0034] Specifically, an inner folded edge 21 is designed at the lower edge of the cylinder cover 2, and three protrusions 22 are made on the inner folded edge 21 to protrude inwardly. The upper edges of the three protrusions are tangent to the roots of the threaded sections 11 designed on the circumference of the upper outer cylinder surface of the cylinder 1. The cylinder cover 2 and the cylinder 1 can be tightly fastened by only a small rotation of the cylinder cover 2.

[0035] As an optional embodiment, a sealing gasket 25 is provided on the inner top surface of the cylinder cover 2 corresponding to the upper end surface of the cylinder 1. When the cylinder cover 2 is tightened with the cylinder 1, the upper end surface of the cylinder 1 is pressed against the sealing gasket 25 to form a safe closed state.

[0036] As an optional embodiment, two gripping rods 24 are symmetrically arranged in the middle of the outer cylinder surface of the cylinder cover 2. The gripping rods 24 provide grips for the cylinder cover 2 to rotate and flip.

[0037] The bottom edge of the cylinder is fixedly welded on the sealed container, the two gripping rods 24 are twisted and tightened, and then the top bolt of the flap 31 is screwed into the nut fixedly welded on the top of the cylinder cover, and the cylinder cover 2 enters the fixed fast opening and closing sealing door and enters a safe and closed state. The fast opening and closing sealing door has a novel design, is safe and reliable, has strong practicality, is simple in structure, is quick to operate, and has a low manufacturing cost. It is suitable for the safety door of biomass gasification and coal gas production series devices to instantly adjust the thermal conditions in the furnace.

[0038] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0039] 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 indirectly connected 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 according to specific circumstances.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A quick-open and quick-close sealed door assembly, characterized in that: It comprises a cylinder, a cylinder cover and a flip connection part connected between the cylinder and the cylinder cover, wherein the cylinder cover is rotatably connected to the flip connection part, a plurality of thread segments are arranged parallel to and at intervals on the circumference of the outer cylinder surface of the upper part of the cylinder, at least two protrusions are arranged inwardly on the lower edge of the cylinder cover, and the upper side edge of the protrusion is arranged corresponding to the curvature of the thread segment.

2. The quick-open and quick-close sealed door assembly according to claim 1, characterized in that: The barrel cover is rotatably connected to the flip connection part, including a threaded hole in the middle of the barrel cover, a through hole at one end of the flap of the flip connection part, and a bolt passes through the through hole and the threaded hole to connect the flip connection part to the barrel cover.

3. The quick-open and quick-close sealed door assembly according to claim 2, characterized in that: The threaded hole is formed by a nut welded at the middle of the cylinder cover.

4. The quick-open and quick-close sealed door assembly according to claim 3, characterized in that: The flip connection part also includes a pair of ear plates fixedly arranged on the upper part of the cylinder, and the other end of the flip plate is rotatably connected between the upper ends of the pair of ear plates.

5. The quick-open and quick-close sealed door assembly according to claim 4, characterized in that: A concentric through hole is arranged at the upper end of the pair of ear plates, and a reel is arranged at the other end of the flap. The screw rod passes through the through hole on one of the ear plates, the reel and the through hole on the other ear plate of the pair of ear plates respectively, so as to rotatably connect the flap to the pair of ear plates.

6. The quick-open and quick-close sealed door assembly according to claim 5, characterized in that: The lower edge of the cylinder cover is provided with an inner folding edge, and the protrusion is provided on the inner folding edge.

7. The quick-open and quick-close sealed door assembly according to claim 6, characterized in that: A sealing gasket is arranged on the inner top surface of the cylinder cover corresponding to the upper end surface of the cylinder.

8. The quick-open and quick-close sealed door assembly according to claim 7, characterized in that: Two gripping rods are symmetrically arranged in the middle of the outer cylinder surface of the cylinder cover.

Images