Smoke exhaust flue for natural ventilation of kitchens and toilets of building

Abstract

The utility model provides a smoke exhaust flue for natural ventilation of kitchens and toilets of a building, and belongs to the technical field of smoke exhaust flues. The smoke exhaust flue for natural ventilation of the kitchen and the toilet of the building comprises a main body and a connecting mechanism, the main body comprises a first smoke exhaust flue and a second smoke exhaust flue, the outer portions of the adjacent ends of the first smoke exhaust flue and the second smoke exhaust flue are sleeved with a first connecting cover and a second connecting cover respectively, and the connecting mechanism comprises a pair of positioning seats. Positioning blocks are inserted into the pair of positioning seats, one end of each positioning block penetrates through the first connecting cover to extend to the outside and is fixedly connected with one side of the outer wall of the second connecting cover, a pair of through holes are formed in each positioning block, one side of the inner wall of each positioning seat is slidably connected with a pair of pulling plates through sliding grooves, and limiting rods are installed on one sides of the outer walls of the pulling plates; according to the smoke exhaust flue butt joint device, the butt joint stability of a pair of smoke exhaust flues can be effectively improved, and the smoke exhaust flue butt joint device has high practical value.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust ducts, in particular to a smoke exhaust duct for natural ventilation of a kitchen and bathroom in a building. Background Art

[0002] Ventilation refers to the method of improving the indoor air environment by ventilation. The building smoke exhaust duct is an important component of the building. Its function is to discharge the smoke, toxic gases, exhaust gas and other pollutants generated indoors out of the building, ensure the indoor air quality, and avoid the occurrence of safety accidents such as fire. The function of the kitchen and bathroom smoke exhaust duct is to discharge the exhaust gas and smoke generated in the kitchen and bathroom. The kitchen and bathroom smoke exhaust duct has the advantages of strong fire resistance, good durability, strong environmental protection performance, easy installation and high safety. It is widely used in the kitchen and bathroom smoke exhaust system of high-rise residential buildings. At present, in higher floors, the smoke exhaust duct cannot be installed as a whole at one time, and two smoke exhaust ducts need to be connected and constructed.

[0003] Based on the above, the inventors have found the following problems: during the docking process of the existing smoke exhaust ducts, the docking parts have poor stability, and when the docking parts are hit or vibrated, cracks or dislocations may occur, thereby reducing the installation efficiency.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a smoke exhaust duct for natural ventilation of the kitchen and bathroom of a building is provided, in order to achieve a purpose with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a smoke exhaust duct for natural ventilation of kitchen and bathroom in a building, which is specifically implemented by the following technical solutions:

[0006] A smoke exhaust duct for natural ventilation of a kitchen and bathroom in a building, comprises a main body and a connecting mechanism, the main body comprises a first smoke exhaust duct and a second smoke exhaust duct, the first smoke exhaust duct and the second smoke exhaust duct are fitted together, and the first connecting cover and the second connecting cover are respectively sleeved on the outside of adjacent ends of the first smoke exhaust duct and the second smoke exhaust duct, the connecting mechanism comprises a pair of positioning seats, the pair of positioning seats are both arranged on one side of the outer wall of the first connecting cover, and the inside of the pair of positioning seats are both inserted with positioning blocks, one end of the positioning block passes through the first connecting cover and extends to the outside, and is fixedly connected to one side of the outer wall of the second connecting cover, a pair of through holes is provided on the positioning block, one side of the inner wall of the positioning seat is slidably connected to a pair of pull plates through a sliding groove, and one side of the outer wall of the pair of pull plates is installed with a limiting rod, one end of the limiting rod passes through the through hole and is engaged with the positioning block.

[0007] Furthermore, a fixing plate is installed at the inner center of the positioning seat, and the upper end and the bottom end of the fixing plate are fixedly connected to a first spring, and one end of the first spring is interconnected with the pulling plate.

[0008] The beneficial effect of adopting the above further scheme is that by setting the first spring, when a pair of pull plates are squeezed toward the center, the pull plates will squeeze the first spring, and then when the pull plates are released so that the squeezing force on the first spring disappears, it is easy to move and reset the pull plates under the action of the elastic force of the first spring.

[0009] Furthermore, a pair of long grooves are provided on one side of the outer side of the positioning seat, and a pair of pull plates penetrate the long grooves and extend to the outside of the positioning seat. A sliding rod is installed inside the pair of long grooves, and one end of the sliding rod penetrates the pull plate and is slidably connected to the pull plate.

[0010] The beneficial effect of adopting the above further scheme is that by providing a long groove, it is easy to install the slide rod. By providing the slide rod, due to the sliding connection between the slide rod and the pull plate, when the pull plate is squeezed, the pull plate can move stably under the action of the slide rod.

[0011] Furthermore, the limit rod passes through the positioning seat and extends to the outside at the end away from the pull plate, and the limit rod is provided with a socket at the end away from the pull plate, an insertion rod is movably inserted inside the socket, and support plates are movably sleeved on the outside of both ends of the insertion rod, and the support plates are fixedly connected to the positioning seat.

[0012] The beneficial effect of adopting the above further scheme is that through the coordinated use of the socket, the insertion rod and the support plate, since a pair of support plates and the positioning seat are fixed, and the insertion rod can move inside the support plate, when one end of the insertion rod passes through a support plate and is inserted into the limit rod through the socket, and then continues to pass through the other support plate, the limit rod is limited.

[0013] Furthermore, a circular plate is installed at one end of the insertion rod, and one side of the outer wall of the circular plate is pressed and fitted against one of the support plates. A pair of mounting grooves are provided inside the end of the insertion rod away from the circular plate, and baffles are movably inserted inside the pair of mounting grooves, and one side of the outer wall of the baffle is pressed and fitted against the other support plates.

[0014] The beneficial effect of adopting the above further scheme is that by setting a circular plate, when one end of the insertion rod passes through a support plate, the inside of the limit rod, and then continues to pass through another support plate, the circular plate at one end of the insertion rod will fit between one of the support plates. By setting the baffle plate, the baffle plate fits with the other support plate, thereby fixing the insertion rod between a pair of support plates and the limit rod.

[0015] Furthermore, a second spring is fixedly connected to the inner walls of the pair of mounting grooves, and one end of the second spring is connected to the baffle.

[0016] The beneficial effect of adopting the above further scheme is that by setting a second spring, when one end of the insertion rod passes through a support plate, the inside of the limit rod, and then continues to pass through another support plate, the baffle will be squeezed and shrink to the inside of the installation groove under the action of the second spring. When the end of the insertion rod with the baffle installed is placed outside the other support plate, the baffle will be reset under the elastic force of the second spring.

[0017] Furthermore, a first plug connector is installed at one end of the first smoke exhaust duct, and a second plug connector is inserted inside the end of the first smoke exhaust duct away from the first plug connector, and one end of the second plug connector is fixedly connected to one end of the second smoke exhaust duct.

[0018] The beneficial effect of adopting the above further solution is that the first smoke exhaust duct and the second smoke exhaust duct can be quickly connected through the coordinated use of the first plug connector and the second plug connector.

[0019] The beneficial effects of the utility model are as follows: the utility model obtains a natural ventilation smoke exhaust duct for a kitchen and bathroom in a building through the above-mentioned design. The natural ventilation smoke exhaust duct for a kitchen and bathroom in a building is used in combination with the first connecting cover and the second connecting cover. Since the first smoke exhaust duct and the second smoke exhaust duct fit each other, the first connecting cover and the second connecting cover fit together, thereby protecting the first smoke exhaust duct and the second smoke exhaust duct at the plug-in point. Through the coordinated use of the positioning seat and the positioning block, when the first connecting cover and the second connecting cover fit together, a pair of pull plates are pressed toward the center, the pull plates will press the first spring, the positioning block passes through the first connecting cover and is placed inside the positioning seat, and then when the pull plates are released, it is convenient to release the first spring under the elastic force of the first spring. The movement and resetting of the pull plate is realized by passing one end of the limit rod through the through hole on the positioning block and extending to the outside of the positioning seat, so as to realize the fixation between the positioning seat and the positioning block, thereby improving the stability of the connection between the first smoke exhaust duct and the second smoke exhaust duct, and then passing one end of the insertion rod through a support plate and inserting it into the limit rod through the jack, and then continuing to pass through the other support plate. At this time, the baffle will be squeezed and shrink to the inside of the mounting groove under the action of the second spring. When one end of the insertion rod with the baffle installed is placed outside the other support plate, the baffle will be reset under the elastic force of the second spring, so that the circular plate at one end of the insertion rod will fit between one support plate, and the baffle will fit with the other support plate to realize the limiting of the limit rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a natural ventilation smoke exhaust duct for a kitchen and bathroom in a building provided by the utility model;

[0022] Figure 2 A schematic diagram of the exploded three-dimensional structure of a first exhaust smoke duct and a second exhaust smoke duct of a natural ventilation exhaust smoke duct for a kitchen and bathroom in a building provided by the utility model;

[0023] Figure 3 A three-dimensional structural schematic diagram of a connection mechanism of a smoke exhaust duct for natural ventilation of a kitchen and bathroom in a building provided by the utility model;

[0024] Figure 4 A schematic diagram of the three-dimensional structure inside a positioning seat of a natural ventilation smoke exhaust duct for a kitchen and bathroom in a building provided by the utility model;

[0025] Figure 5 The utility model provides an exploded three-dimensional structural diagram of an insertion rod and a limit rod of a smoke exhaust duct for natural ventilation of a kitchen and bathroom in a building.

[0026] In the figure: 100, main body; 1001, first flue gas duct; 1002, first plug connector; 1003, second plug connector; 1004, second flue gas duct; 1005, first connecting cover; 1006, second connecting cover; 200, connecting mechanism; 2001, positioning seat; 2002, positioning block; 2003, through hole; 2004, fixing plate; 2005, first spring; 2006, pulling plate; 2007, limiting rod; 2008, long groove; 2009, sliding rod; 2010, plug hole; 2011, supporting plate; 2012, plug rod; 2013, round plate; 2014, baffle; 2015, second spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0029] Embodiment 1

[0030] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a smoke exhaust duct for natural ventilation of a kitchen and bathroom in a building includes a main body 100 and a connecting mechanism 200. The main body 100 includes a first smoke exhaust duct 1001 and a second smoke exhaust duct 1004. The first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 are attached to each other, and the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 are respectively sleeved with a first connecting cover 1005 and a second connecting cover 1006 on the outside of adjacent ends. The connecting mechanism 200 includes a pair of fixed The pair of positioning seats 2001 are both arranged on one side of the outer wall of the first connection cover 1005, and a positioning block 2002 is inserted into the interior of the pair of positioning seats 2001. One end of the positioning block 2002 passes through the first connection cover 1005 and extends to the outside, and is fixedly connected to one side of the outer wall of the second connection cover 1006. A pair of through holes 2003 are provided on the positioning block 2002. One side of the inner wall of the positioning seat 2001 is slidably connected to a pair of pull plates 2006 through a sliding groove. The pair of pull plates 2006 A limiting rod 2007 is installed on one side of the outer wall of 06, one end of the limiting rod 2007 passes through the through hole 2003 and is connected with the positioning block 2002. Through the cooperation of the first connecting cover 1005 and the second connecting cover 1006, the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 are attached to each other, thereby realizing the attachment of the first connecting cover 1005 and the second connecting cover 1006, and the plug-in position of the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 is fixed. For protection, through the coordinated use of the positioning seat 2001 and the positioning block 2002, when the positioning block 2002 passes through the first connecting cover 1005 and is placed in the interior of the positioning seat 2001, and one end of the limiting rod 2007 passes through the through hole 2003 on the positioning block 2002 and extends to the outside of the positioning seat 2001, the positioning seat 2001 and the positioning block 2002 are fixed to each other, thereby improving the stability of the docking between the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004.

[0031] Embodiment 2

[0032] Reference Figure 1-Figure 5As shown, a fixing plate 2004 is installed at the inner center of the positioning seat 2001, and the upper end and the bottom end of the fixing plate 2004 are fixedly connected with a first spring 2005, one end of the first spring 2005 is connected to the pull plate 2006, and a pair of long grooves 2008 are provided on the outer side of the positioning seat 2001, and a pair of pull plates 2006 pass through the long grooves 2008 and extend to the outside of the positioning seat 2001, and a sliding rod 2009 is installed inside the pair of long grooves 2008, and one end of the sliding rod 2009 passes through the pull plate 2006 and is slidably connected with the pull plate 2006, and the limiting rod 2007 passes through the positioning seat 2001 at the end away from the pull plate 2006 and extends to the outside, and the limiting rod 2007 is at A socket 2010 is provided at one end away from the pull plate 2006, and a plug rod 2012 is movably inserted inside the socket 2010. Support plates 2011 are movably sleeved on the outside of both ends of the plug rod 2012. The support plates 2011 are fixedly connected to the positioning seat 2001. A circular plate 2013 is installed at one end of the plug rod 2012. One side of the outer wall of the circular plate 2013 is pressed and fitted with one of the support plates 2011. A pair of mounting grooves are provided inside the end of the plug rod 2012 away from the circular plate 2013. A baffle plate 2014 is movably inserted inside the pair of mounting grooves. One side of the outer wall of the baffle plate 214 is pressed and fitted with another of the support plates 2011. The inner walls of the pair of mounting grooves are fixedly connected with a second spring 2015, one end of the second spring 2015 is connected to the baffle 2014, and by setting the pull plate 2006, when the pair of pull plates 2006 are squeezed toward the center, the pull plate 2006 can move stably under the action of the slide bar 2009, and the pull plate 2006 will squeeze the first spring 2005. When the pull plate 2006 is released to make the squeezing force on the first spring 2005 disappear, it is convenient to realize the movement and reset of the pull plate 2006 under the elastic force of the first spring 2005. Through the coordinated use of the jack 2010, the insertion rod 2012 and the support plate 2011, since the pair of support plates 2011 are fixed between the positioning seat 2001, the insertion rod 2012 can be movably moved inside the support plate 2011 When one end of the insertion rod 2012 passes through a support plate 2011 and is inserted into the limit rod 2007 through the socket 2010, and then continues to pass through the other support plate 2011, the baffle 2014 will be squeezed and shrink to the inside of the installation groove under the action of the second spring 2015. When one end of the insertion rod 2012 with the baffle 2014 installed is placed outside the other support plate 2011, the baffle 2014 will be reset under the elastic force of the second spring 2015, and the circular plate 2013 at one end of the insertion rod 2012 will fit between one of the support plates 2011, and the baffle 2014 at the other end of the insertion rod 2012 will fit with the other support plate 2011, thereby realizing the limitation of the limit rod 2007.

[0033] Embodiment 3

[0034] Reference Figure 1-Figure 5As shown, a first plug connector 1002 is installed at one end of the first smoke exhaust duct 1001, and a second plug connector 1003 is inserted inside the first smoke exhaust duct 1001 at an end away from the first plug connector 1002, and one end of the second plug connector 1003 is fixedly connected to one end of the second smoke exhaust duct 1004. Through the coordinated use of the first plug connector 1002 and the second plug connector 1003, the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 can be quickly connected.

[0035] Specifically, the working principle of the natural ventilation smoke exhaust duct for the kitchen and bathroom of this building is as follows: when in use, first insert the second plug connector 1003 at one end of the second smoke exhaust duct 1004 into the interior of the first smoke exhaust duct 1001 to achieve quick docking. Since the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004 fit each other, the first connecting cover 1005 and the second connecting cover 1006 fit together, so that the positioning block 2002 passes through the first connecting cover 1005 and is placed in the positioning seat. 2001, and when a pair of pull plates 2006 are pressed toward the center, the pull plates 2006 can stably move and press the first spring 2005 under the action of the slide bar 2009. When the pull plates 2006 are released so that the squeezing force on the first spring 2005 disappears, the pull plates 2006 can be moved and reset under the elastic force of the first spring 2005. One end of the limit rod 2007 passes through the through hole 2003 on the positioning block 2002 and extends to the outside of the positioning seat 2001. The fixing between the positioning seat 2001 and the positioning block 2002 is realized, so as to improve the stability of the connection between the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004. When one end of the plug rod 2012 passes through a support plate 2011 and is inserted into the inside of the limit rod 2007 through the plug hole 2010, and then continues to pass through the other support plate 2011, the baffle 2014 will be squeezed and contracted to the inside of the installation groove under the action of the second spring 2015. When the plug rod 2012 is installed with After one end of the baffle 2014 is placed outside the other support plate 2011, the baffle 2014 will be reset under the elastic force of the second spring 2015, and the circular plate 2013 at one end of the plug rod 2012 will fit between one of the support plates 2011, and the baffle 2014 at the other end of the plug rod 2012 will fit with the other support plate 2011, thereby limiting the limiting rod 2007 and further improving the stability of the docking between the first smoke exhaust duct 1001 and the second smoke exhaust duct 1004.

[0036] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 natural ventilation smoke exhaust duct for kitchen and bathroom in a building, characterized in that: The invention comprises a main body (100) and a connecting mechanism (200), wherein the main body (100) comprises a first smoke exhaust duct (1001) and a second smoke exhaust duct (1004), wherein the first smoke exhaust duct (1001) and the second smoke exhaust duct (1004) are fitted to each other, and the first smoke exhaust duct (1001) and the second smoke exhaust duct (1004) are respectively sleeved with a first connecting cover (1005) and a second connecting cover (1006) on the outside of adjacent ends of the first smoke exhaust duct (1001) and the second smoke exhaust duct (1004), and the connecting mechanism (200) comprises a pair of positioning seats (2001), wherein the pair of positioning seats (2001) are both arranged on one side of the outer wall of the first connecting cover (1005), and the pair of positioning seats (2001) are A positioning block (2002) is inserted into the interior of the positioning seat (2001), one end of the positioning block (2002) passes through the first connecting cover (1005) and extends to the outside, and is fixedly connected to one side of the outer wall of the second connecting cover (1006), a pair of through holes (2003) is provided on the positioning block (2002), one side of the inner wall of the positioning seat (2001) is slidably connected to a pair of pull plates (2006) through a sliding groove, and one side of the outer wall of the pair of pull plates (2006) is installed with a limiting rod (2007), one end of the limiting rod (2007) passes through the through hole (2003) and is snap-connected to the positioning block (2002).

2. The natural ventilation smoke exhaust duct for kitchen and bathroom in a building according to claim 1 is characterized in that: A fixing plate (2004) is installed at the inner center of the positioning seat (2001), and the upper end and the bottom end of the fixing plate (2004) are fixedly connected to a first spring (2005), and one end of the first spring (2005) is interconnected with the pulling plate (2006).

3. The natural ventilation smoke exhaust duct for kitchen and bathroom in a building according to claim 2 is characterized in that: A pair of long grooves (2008) is provided on one side of the exterior of the positioning seat (2001), a pair of pull plates (2006) penetrate the long grooves (2008) and extend to the exterior of the positioning seat (2001), a sliding rod (2009) is installed inside the pair of long grooves (2008), one end of the sliding rod (2009) penetrates the pull plate (2006) and is slidably connected to the pull plate (2006).

4. The natural ventilation smoke exhaust duct for kitchen and bathroom in a building according to claim 3 is characterized in that: The limiting rod (2007) passes through the positioning seat (2001) at the end away from the pulling plate (2006) and extends to the outside, and the limiting rod (2007) is provided with a plug hole (2010) at the end away from the pulling plate (2006), and an insertion rod (2012) is movably inserted inside the insertion hole (2010), and support plates (2011) are movably sleeved on the outside of both ends of the insertion rod (2012), and the support plates (2011) are fixedly connected to the positioning seat (2001).

5. The smoke exhaust duct for natural ventilation of kitchen and bathroom in a building according to claim 4, characterized in that: A circular plate (2013) is installed at one end of the insertion rod (2012), and one side of the outer wall of the circular plate (2013) is pressed and fitted against one of the support plates (2011); a pair of mounting grooves are provided inside the insertion rod (2012) at one end away from the circular plate (2013), and baffles (2014) are movably inserted inside the pair of mounting grooves, and one side of the outer wall of the baffle (2014) is pressed and fitted against another of the support plates (2011).

6. The natural ventilation smoke exhaust duct for kitchen and bathroom in a building according to claim 5, characterized in that: A second spring (2015) is fixedly connected to the inner walls of the pair of mounting grooves, and one end of the second spring (2015) is interconnected with the baffle (2014).

7. The smoke exhaust duct for natural ventilation of kitchen and bathroom in a building according to claim 1, characterized in that: A first plug connector (1002) is installed at one end of the first smoke exhaust duct (1001), and a second plug connector (1003) is inserted inside the first smoke exhaust duct (1001) at an end away from the first plug connector (1002), and one end of the second plug connector (1003) is fixedly connected to one end of the second smoke exhaust duct (1004).

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