Efficient dust removal fan

Abstract

The utility model discloses an efficient dust removal fan which comprises a fan body, a control motor is connected to the outer side of the fan body and used for driving fan blades in the fan to rotate, and a fixing base is integrally installed at the bottom of the control motor and used for supporting the whole fan. The limiting mechanism is arranged at the top end of the second connecting opening, and the control mechanism is arranged at the top end of the second connecting opening and used for controlling the limiting mechanism to stretch out to achieve the air pipe limiting effect. According to the efficient dust removal fan, the limiting mechanism is arranged at the top end of the second connecting opening, when an external air pipe and the rectangular second connecting opening are connected in an aligned mode, limiting can be conducted under the effect of a limiting column on the limiting mechanism, and the effect of limiting control over the position of the air pipe is achieved; in this way, workers do not need to conduct auxiliary limiting, operation is more convenient, the follow-up installation work efficiency is higher, and the phenomenon of installation deviation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to dust removal fans, in particular to a high-efficiency dust removal fan. Background Art

[0002] The dust removal fan can absorb dust and prevent human inhalation, which is beneficial to human health. The working principle is basically the same as that of a general centrifugal fan. When the impeller rotates at high speed, the air in each part of the impeller is also driven to rotate together. At this time, the air at the center of the impeller will be thrown to the edge of the impeller due to the centrifugal force, and a vacuum is formed at the center of the impeller. Therefore, the external air continuously flows in under the action of the pressure difference and replenishes the center of the impeller, so that the fan has the ability to inhale air. The dust removal fans on the existing market are generally used in coal mine processing environments and processing environments with serious dust. In order to ensure efficient removal of air in the air, their volume is generally large, so the size of their connection ports is generally very large. When it is necessary to connect the connection port on the fan with the external air duct, it is often necessary for the external staff to hold the air duct to limit the position first, and then the external staff will connect the air duct to the connection port. As a result, when the entire fan is connected to the external air duct, the operation is too troublesome, and the manual limit will often cause the air duct to deviate, so the subsequent installation efficiency is reduced. Utility Model Content

[0003] The utility model aims to provide a high-efficiency dust removal fan to solve the problem raised in the above background technology that the dust removal fans currently on the market are generally used in coal mine processing environments and processing environments with serious dust. In order to ensure efficient removal of air in the air, the size of the dust removal fans is generally large, so the size of the connection port is generally very large. When it is necessary to connect the connection port on the fan with an external air duct, it is often necessary for external staff to hold the air duct in a limited position first, and then connect the air duct to the connection port through external staff. As a result, the operation of the entire fan is too troublesome when connecting with the external air duct, and the manual limiting will often cause the air duct to deviate, thereby reducing the subsequent installation efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient dust removal fan, comprising a fan body, the outer side of which is connected to a control motor for driving the internal fan blades of the fan to rotate, and a fixing seat is integrally installed at the bottom of the control motor for supporting the entire fan;

[0005] A first connection port, which is circular and arranged on the surface of the fan body;

[0006] The second connection port is rectangular and arranged at the top of the fan body, and is used to connect with an external air duct;

[0007] Also includes:

[0008] A limiting mechanism, which is arranged at the top of the second connecting port and is used to limit the top of the external air duct to be installed;

[0009] The control mechanism is arranged at the top end of the second connecting port and is used to control the limiting mechanism to extend to limit the air duct.

[0010] Preferably, the control mechanism comprises:

[0011] A trigger rod is arranged at the top of the second connection port, a reserved groove is embedded in the middle of the top of the second connection port, and the inside of the reserved groove is connected to the trigger rod through a compression spring;

[0012] A trigger block is arranged at the top position of the inner part of the reserved groove, and the top of the trigger block passes through the inner wall of the second connection port and is arranged on the outer side.

[0013] Preferably, the control mechanism further includes:

[0014] The trigger mechanism is arranged between the trigger block and the limiting mechanism and is used to connect the trigger block and the limiting mechanism.

[0015] Preferably, the limiting mechanism comprises:

[0016] A fixing column, the cross section of which is in an "L"-shaped structure, and the bottom of which is integrally mounted with the top of the second connection port;

[0017] The limiting column is arranged inside the fixing column and is connected to the fixing column through a torsion spring.

[0018] Preferably, the trigger mechanism comprises:

[0019] A winding reel, which is disposed at the top end of the second connecting port;

[0020] The connecting wire is wound around the outside of the winding shaft, and the top ends of both sides of the connecting wire are respectively connected to the trigger block and the limit column.

[0021] Preferably, the bottoms of the trigger block and the trigger rod are both arranged in an inclined structure, and the inclined angles of the inclined structures at the bottoms of the two are the same;

[0022] The top end of the trigger rod is provided with a groove which engages with the trigger block, and the size of the groove is less than one third of the height of the trigger rod.

[0023] Compared with the prior art, the beneficial effect of the utility model is that a limiting mechanism is arranged at the top of the second connecting port of the high-efficiency dust removal fan. When the external air duct is aligned with the rectangular second connecting port, it can be limited first under the action of the upper limit column on the limiting mechanism to achieve the effect of limiting the position of the air duct. Therefore, there is no need for staff to perform auxiliary limiting, the operation is more convenient, and the subsequent installation work is more efficient, and the installation offset will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0026] Figure 3 This is an enlarged structural diagram of the trigger mechanism of the utility model;

[0027] Figure 4 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0028] Figure 5 It is a partial enlarged structural diagram of the control mechanism of the utility model.

[0029] In the figure: 1. fan body; 2. control motor; 3. first connection port; 4. second connection port; 5. limit mechanism; 51. fixing column; 52. limit column; 6. trigger mechanism; 61. winding shaft; 62. connecting line; 7. trigger block; 8. trigger rod; 9. compression spring; 10. reserved slot. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 The utility model provides a technical solution: a high-efficiency dust removal fan, including a fan body 1, the outer side of which is connected to a control motor 2 for driving the internal fan blades of the fan to rotate, and a fixed seat is integrally installed at the bottom of the control motor 2 for supporting the entire fan;

[0032] A first connection port 3, which is circular and arranged on the surface of the fan body 1;

[0033] The second connection port 4 is rectangular and disposed at the top of the fan body 1, and is used to connect with an external air duct;

[0034] Also includes:

[0035] A limiting mechanism 5, which is arranged at the top of the second connecting port 4, and is used to limit the top of the external air duct to be installed;

[0036] The control mechanism is arranged at the top of the second connection port 4 and is used to control the limit mechanism 5 to extend to limit the air duct.

[0037] The present application provides a dust removal fan with a limiting mechanism 5. Specifically, when using it, first, after the entire fan is placed in a suitable position, it is placed in the environment to be dusted. After that, it is necessary to connect the second connection port 4 on the fan body 1 with the external air duct. In the early stage of connection, it is necessary to start the control mechanism first so that it can drive the limiting mechanism 5 to descend. Therefore, under the action of the limiting mechanism 5, the top of the external air duct can be limited. The effect of control ensures that the entire air duct can be stably limited by the limiting mechanism 5 without the assistance of external personnel, so it is convenient to tighten it with bolts later.

[0038] Among them, according to Figure 3-5 As shown, the control mechanism includes:

[0039] A trigger rod 8 is arranged at the top of the second connection port 4. A reserved groove 10 is embedded in the middle of the top of the second connection port 4, and the inside of the reserved groove 10 is connected to the trigger rod 8 through a compression spring 9;

[0040] The trigger block 7 is arranged at the top of the reserved groove 10, and the top of the trigger block 7 penetrates the inner wall of the second connection port 4 and is arranged on the outside.

[0041] The control bodies also include:

[0042] A trigger mechanism 6, which is arranged between the trigger block 7 and the limiting mechanism 5, and is used to connect the trigger block 7 and the limiting mechanism 5;

[0043] Specifically, when installing the air duct, it is necessary to move the top end of the air duct toward the position of the second connecting port 4. When moving, the top end of the air duct will first come into contact with the trigger rod 8 at the top end of the second connecting port 4, so that the trigger rod 8 can move inside the reserved groove 10. When the trigger rod 8 moves, its top end will squeeze the trigger block 7 inside the reserved groove 10, so that the trigger block 7 drives the trigger mechanism 6 to work. Therefore, when the trigger mechanism 6 works, the limiting mechanism 5 will descend, so that the pipe port position at the top end of the air duct will be clamped, thereby achieving the effect of clamping the air duct, thereby facilitating subsequent staff to connect the air duct to the second connecting port 4.

[0044] Further, according to Figure 1 and Figure 5 As shown, the limiting mechanism 5 includes:

[0045] The fixing column 51 has an L-shaped cross section, and its bottom is integrally mounted with the top of the second connection port 4;

[0046] The limiting column 52 is arranged inside the fixing column 51 and connected to the fixing column 51 via a torsion spring;

[0047] Specifically, when the trigger mechanism 6 works, it causes the limiting column 52 to descend inside the fixed column 51. Therefore, when the limiting column 52 descends, it can squeeze the pipe opening position of the external air duct, thereby achieving the effect of limiting.

[0048] Among them, according to Figure 3-5 As shown, the trigger mechanism 6 includes:

[0049] A winding reel 61, which is disposed at the top end of the second connection port 4;

[0050] A connecting wire 62, which is wound around the outside of the winding shaft 61, and the top ends of both sides of the connecting wire 62 are respectively connected to the trigger block 7 and the limit column 52;

[0051] Specifically, when the trigger rod 8 moves inside the reserved groove 10, the trigger block 7 will move upward. Since the top of the trigger block 7 is connected to one side of the connecting line 62, the other side of the connecting line 62 will relax the limit on the limit column 52 under the action of the external winding shaft 61. Therefore, the limit column 52 can descend under the action of the torsion spring and gravity to achieve the effect of limiting.

[0052] In this application, according to Figure 5 As shown, the bottoms of the trigger block 7 and the trigger rod 8 are both arranged in an inclined structure, and the inclined angles of the inclined structures at the bottoms of the two are the same;

[0053] The top of the trigger rod 8 is provided with a groove which engages with the trigger block 7, and the size of the groove is less than one third of the height of the trigger rod 8;

[0054] Specifically, when the structure is tilted, the trigger rod 8 can easily come into contact with the trigger block 7 when moving, thereby lifting the trigger block 7, and finally making the trigger block 7 engage in the groove, thereby achieving the effect of limiting the position of the trigger rod 8, thereby making the limiting column 52 always in a downward state, thereby achieving the effect of squeezing and limiting the position of the pipe mouth of the air duct. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0055] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency dust removal fan, comprising: The fan body (1) is connected to a control motor (2) on its outer side for driving the fan blades inside the fan to rotate. A fixing seat is integrally installed at the bottom of the control motor (2) for supporting the entire fan; A first connection port (3) which is arranged in a circular shape on the surface of the fan body (1); A second connection port (4) is arranged in a rectangular shape at the top of the fan body (1) and is used for connecting to an external air duct; Features: Also includes: A limiting mechanism (5), which is arranged at the top end of the second connecting port (4) and is used to limit the top end of the external air duct to be installed; A control mechanism, which is arranged at the top end of the second connection port (4) and is used to control the position limiting mechanism (5) to extend and limit the air duct; The control mechanism also includes: A trigger mechanism (6), which is arranged between the trigger block (7) and the limiting mechanism (5) and is used to connect the trigger block (7) and the limiting mechanism (5); The limiting mechanism (5) comprises: A fixing column (51) having an L-shaped cross section and a bottom portion thereof integrally mounted with a top portion of the second connection port (4); The limiting column (52) is arranged inside the fixing column (51) and is connected to the fixing column (51) via a torsion spring.

2. A high-efficiency dust removal fan according to claim 1, characterized in that: The control mechanism comprises: A trigger rod (8) is arranged at the top end of the second connection port (4); a reserved groove (10) is embedded in the middle of the top end of the second connection port (4); and the inside of the reserved groove (10) is connected to the trigger rod (8) via a compression spring (9); A trigger block (7) is arranged at the top end position inside the reserved groove (10), and the top end of the trigger block (7) penetrates through the inner wall of the second connecting port (4) and is arranged on the outside.

3. The high-efficiency dust removal fan according to claim 1, characterized in that: The trigger mechanism (6) comprises: A winding reel (61) disposed at the top end of the second connection port (4); The connecting wire (62) is wound around the outside of the winding shaft (61), and the top ends of both sides of the connecting wire (62) are respectively connected to the trigger block (7) and the limiting column (52).

4. A high-efficiency dust removal fan according to claim 3, characterized in that: The bottoms of the trigger block (7) and the trigger rod (8) are both arranged in an inclined structure, and the inclined angles of the inclined structures at the bottoms of the two are the same; The top end of the trigger rod (8) is provided with a groove which engages with the trigger block (7), and the size of the groove is less than one third of the height of the trigger rod (8).

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