Novel telescopic dust collection shield

Abstract

The utility model discloses a novel telescopic dust collection shield, which relates to the technical field of dust collection shields and comprises a main shield, two telescopic shields, an air collection box, a first air pipe, two second air pipes and a driving part, the two telescopic protective covers are slidably connected to the two ends of the main protective cover correspondingly, the air collecting boxes communicate with the inner side of the main protective cover through first air pipes, and the air collecting boxes communicate with the inner sides of the telescopic protective covers through second air pipes; the second air pipe is a flexible air pipe, and the driving piece drives the telescopic protective cover to slide along the main protective cover; the two telescopic protective covers capable of sliding and stretching are arranged at the two ends of the main protective cover, so that the dust collection adjusting range of the dust collection protective cover is larger; the main protective cover is connected with the air collecting box through the first air pipe, and the telescopic protective cover is connected with the air collecting box through the flexible second air pipe, so that even if the dust collecting cover extends to the maximum, the air draft equipment can fully collect and suck dust in all positions in the dust collecting cover.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collecting shields, in particular to a novel telescopic dust collecting shield. Background Art

[0002] The retractable dust hood has many advantages: it can be retracted and adjusted according to actual needs to adapt to different working scenes and operating requirements; it can concentrate on capturing and collecting pollutants such as dust and particulate matter to improve the dust collection effect; it can prevent dust and other impurities from entering the equipment, reducing the risk of equipment failure and damage; it can quickly and effectively collect dust, reduce cleaning time and workload; it can adapt to equipment or work areas of different shapes and sizes; it reduces dust flying, reduces environmental pollution, and provides a cleaner working space. The utility model patent with announcement number CN217963997U is a retractable dust hood, the middle part of which is retractable, one part is fixed to install the air duct, and the other part is movable and can adapt to the covering equipment, so as to achieve a better dust collection effect. However, the retractable dust hood has at least the following shortcomings: its air duct is only installed at one end of the dust hood. After the dust hood is extended, the air duct, i.e., the suction duct, is far away from the other end, and the suction force on the air and dust at the other end is insufficient, resulting in uneven dust collection effect in the dust hood, affecting the full collection of dust in various places in the dust hood. Utility Model Content

[0003] The purpose of the utility model is to provide a novel retractable dust collecting shield in order to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A novel telescopic dust collecting shield, comprising a main shield, two telescopic shields, an air collecting box, a first air duct, two second air ducts and a driving member; the two telescopic shields are respectively slidably connected to the two ends of the main shield, the air collecting box is connected to the inner side of the main shield through the first air duct, and the air collecting boxes are connected to the inner side of the telescopic shield through the second air duct; the second air duct is a flexible air duct, and the driving member drives the telescopic shield to slide along the main shield.

[0006] Furthermore, leather curtains are connected to the lower sides of the edges of the main shield and the telescopic shield.

[0007] Furthermore, it also includes a swing arm and two connecting rods, the middle part of the swing arm is rotatably connected to the upper side of the main shield; the two ends of the swing arm are respectively hinged to the two telescopic shields through two connecting rods; and the driving member drives one of the telescopic shields to slide.

[0008] Furthermore, the driving member is an automatic telescopic rod, the driving member is installed on the upper side of the main shield, and the telescopic end of the driving member is connected to the telescopic shield.

[0009] Furthermore, a bracket is provided on the upper middle side of the main shield, the air collecting box is installed on the upper part of the bracket, and the air collecting box is connected to an exhaust pipe.

[0010] Furthermore, the edges on both sides of the main shield have first bending parts, and the edges on both sides of the telescopic shield have second bending parts; the telescopic shield is sleeved on the outside of the main shield to slide.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides two slidable and retractable telescopic shields at both ends of the main shield, so that the dust collecting adjustment range of the dust collecting shield is larger; the main shield is connected to the air collecting box through a first air duct, and the telescopic shield is connected to the air collecting box through a flexible second air duct, so that even when the dust collecting shield is extended to the maximum, it is conducive to the exhaust device to fully collect and absorb dust from various places in the dust collecting shield;

[0013] The utility model enables two telescopic shields to extend or contract synchronously through a swing arm and a connecting rod, and the extension and retraction of the two telescopic shields can be achieved through a driving member; the utility model enables the telescopic shield to slide stably by covering and fitting the main shield with the bending part and the telescopic shield; the utility model limits the exhaust range through a leather curtain, and the leather curtain is flexible and can be suitable for dust collection of special-shaped equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a side structural schematic diagram of the utility model.

[0016] Figure 3 It is a three-dimensional schematic diagram of the utility model without an air collecting box and an air duct.

[0017] Figure 4 It is a three-dimensional schematic diagram of the main shield of the utility model.

[0018] Figure 5 It is a three-dimensional schematic diagram of the telescopic shield of the utility model.

[0019] Figure 6 It is a schematic diagram of the connection structure of the swing arm and the connecting rod of the utility model.

[0020] In the figure: 1. main shield; 2. telescopic shield; 3. air collecting box; 4. first air duct; 5. second air duct; 6. driving member; 7. swing arm; 8. connecting rod; 9. bracket; 10. exhaust duct; 11. leather curtain; 12. fixed axis; 13. support; 101. first bending portion; 201. second bending portion. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" that may appear 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the term "provided with" that may appear should be understood in a broad sense. For example, the object "provided with" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or an inseparable connection. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The present invention is further described in detail below in conjunction with the embodiments.

[0025] Specific embodiments of the novel retractable dust collecting shield provided by the utility model:

[0026] See also Figure 1-6 The novel telescopic dust collecting shield comprises a main shield 1, two telescopic shields 2, an air collecting box 3, a first air duct 4, two second air ducts 5 and a driving member 6.

[0027] Two telescopic shields 2 are slidably connected to the two ends of the main shield 1, and the edges of the two sides of the main shield 1 have first bent portions 101, and the edges of the two sides of the telescopic shield 2 have second bent portions 201; the first bent portion 101 and the second bent portion 201 are both U-shaped, and the U-shaped openings of the first bent portions 101 on both sides of the main shield 1 are opposite, and the U-shaped openings of the second bent portions 201 on both sides of the telescopic shield 2 are opposite. The size of the telescopic shield 2 is slightly larger than that of the main shield 1, so that the telescopic shield 2 is sleeved on the outside of the main shield 1 and slides, and the inner side of the telescopic shield 2 is attached to the outer side of the main shield 1.

[0028] The lower side of the edge of the main shield 1 and the lower side of the edge of the telescopic shield 2 are both connected with a leather curtain 11; specifically, Figure 4 and Figure 5 As shown, the first bending portion 101 and the second bending portion 201 are connected to the lower side with a vertical section, and the lower side of the outer end of the telescopic shield 2 also has a vertical section; the leather curtain 11 includes a plurality of transparent rubber sheets, and a pressure plate is provided on the outer side of the upper end of the rubber sheet, and the pressure plate is pressed on the outer side of the upper end of the rubber sheet. Screws are passed through the pressure sheet, and the screws pass through the rubber sheet and are connected to the vertical sections on the lower side of the main shield 1 and the telescopic shield 2 by threads, so as to fix the rubber sheet to the lower side of the shield.

[0029] In this embodiment, Figure 4 and Figure 5 As shown, the lower sides of both edges of the main shield 1 are provided with a plurality of rubber sheets arranged in a straight shape to form a leather curtain 11; the rubber sheets on the lower side of the telescopic shield 2 are arranged in a U-shaped distribution to form the leather curtain 11. The leather curtain 11 of the telescopic shield 2 is outside the leather curtain 11 of the main shield 1. The rubber leather curtain 11 is flexible and can adapt to various equipment. Covering the outside of the equipment is conducive to dust collection.

[0030] A vertical fixed shaft 12 is provided on the upper middle part of the main shield 1, and a horizontal swing arm 7 and two connecting rods 8 are also provided on the upper middle part of the main shield 1. The middle part of the swing arm 7 is rotatably connected to the fixed shaft 12 on the upper side of the main shield 1; the two ends of the swing arm 7 are respectively hinged to the two telescopic shields 2 through two connecting rods 8; when one telescopic shield 2 slides, the swing arm 7 is driven to rotate through the connecting rod 8, and the swing arm 7 causes the other telescopic shield 2 to slide synchronously through the connecting rod 8 at the other end, so that the swing arm 7 and the connecting rod 8 cause the two telescopic shields 2 to extend or contract synchronously.

[0031] A support 13 is provided at the upper end of the fixed shaft 12, and a driving member 6 is installed on the support 13. In the present embodiment, the driving member 6 is an automatic telescopic rod, which can be a hydraulic telescopic rod, a pneumatic telescopic rod or an electric telescopic rod. Since the two telescopic shields 2 are linked, the driving member 6 only needs to drive one telescopic shield 2. Therefore, in the present embodiment, the telescopic end of the driving member 6 is connected to one of the telescopic shields 2 to drive the telescopic shield 2 to slide.

[0032] A bracket 9 is provided on the upper middle part of the main shield 1. The bracket 9 is in the shape of a door. The air collecting box 3 is installed on the upper part of the bracket 9. The air collecting box 3 is connected to the inner side of the main shield 1 through the first air duct 4. The first air duct 4 can be a hard air duct. In this embodiment, there are two first air ducts 4. The air collecting box 3 is connected to the inner sides of the two telescopic shields 2 through two second air ducts 5 respectively. The second air duct 5 is a flexible air duct, such as a corrugated air duct. The corrugated air duct can deform adaptively and move with the telescopic shield 2 under the condition of ensuring ventilation.

[0033] The air collecting box 3 is connected to an exhaust pipe 10, and a flange is provided at the pipe mouth of the exhaust pipe 10. The exhaust pipe 10 is used to connect with an external air duct and an exhaust device. The exhaust device creates a negative pressure in the air collecting box 3, so that the air and dust in the dust collecting hood pass through the first air duct 4 and the second air duct 5 into the air collecting box 3, and then the dust-containing air is guided by the exhaust device to enter the external dust removal device. In this embodiment, when the telescopic shield 2 is in the retracted state, the lower end of the second air duct 5 is attached to the upper side of the main shield 1. Due to the obstruction of the main shield 1, no air enters. At this time, the dust collecting shield is retracted, the dust collecting range is small, and only the first air duct 4 is required to enter. When the telescopic shield 2 is in the extended state, the second air duct 5 is located on the upper side of the outside of the main shield 1, and the main shield 1 does not affect the air intake of the second air duct 5. At this time, the dust collecting shield is unfolded, the dust collecting range is large, and the air intake of the second air duct 5 is conducive to the full collection of dust at both ends of the dust collecting shield.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel retractable dust collecting hood, characterized in that: The invention comprises a main protective cover (1), two telescopic protective covers (2), an air collecting box (3), a first air duct (4), two second air ducts (5) and a driving member (6); the two telescopic protective covers (2) are respectively slidably connected to two ends of the main protective cover (1); the air collecting box (3) is connected to the inner side of the main protective cover (1) through the first air duct (4); the air collecting box (3) is connected to the inner side of the telescopic protective cover (2) through the second air duct (5); the second air duct (5) is a flexible air duct; and the driving member (6) drives the telescopic protective cover (2) to slide along the main protective cover (1).

2. The novel retractable dust collecting shield according to claim 1 is characterized in that: The lower side of the edge of the main shield (1) and the lower side of the edge of the telescopic shield (2) are both connected with a leather curtain (11).

3. The novel retractable dust collecting shield according to claim 1 is characterized in that: It also comprises a swing arm (7) and two connecting rods (8); the middle portion of the swing arm (7) is rotatably connected to the upper side of the main shield (1); the two ends of the swing arm (7) are respectively hinged to the two telescopic shields (2) via the two connecting rods (8); and the driving member (6) drives one of the telescopic shields (2) to slide.

4. The novel retractable dust collecting shield according to claim 1 or 3, characterized in that: The driving member (6) is an automatically telescopic rod, the driving member (6) is mounted on the upper side of the main shield (1), and the telescopic end of the driving member (6) is connected to the telescopic shield (2).

5. The novel retractable dust collecting shield according to claim 1 is characterized in that: A bracket (9) is provided on the upper middle side of the main shield (1), the air collecting box (3) is mounted on the upper part of the bracket (9), and the air collecting box (3) is connected to an exhaust pipe (10).

6. The novel retractable dust collecting shield according to claim 1 is characterized in that: The edges on both sides of the main shield (1) have first bent portions (101), and the edges on both sides of the telescopic shield (2) have second bent portions (201); the telescopic shield (2) is sleeved on the outside of the main shield (1) to slide.

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