Air pipe heat preservation cotton compacting structure

Abstract

The utility model discloses an air duct heat preservation cotton compaction structure, which belongs to the technical field of air duct construction, and adopts the technical scheme that the air duct heat preservation cotton compaction structure is characterized by comprising a handheld bracket, a driving shaft rotationally arranged on the handheld bracket, and a compression roller which is arranged on the driving shaft and rotates along with the driving shaft, an annular groove matched with the protruding thickness of the exposed flange is formed in the middle of the pressing roller, and the depth of the annular groove is larger than the protruding thickness of the exposed flange and smaller than the thickness of the protruding thickness after the heat preservation layer is overlaid on the protruding thickness. The device has the beneficial effects that the device assists manual work in compacting the overlapped heat-insulating layer at the exposed part of the flange, and the bonding quality of heat-insulating cotton is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of air duct construction, and particularly relates to a compaction structure for air duct insulation cotton. Background Technique

[0002] During the construction of air ducts, angle steel flange connection is one of the common ventilation duct connection methods. After connecting the ventilation ducts, in order to prevent heat loss and energy waste during the operation of the ventilation ducts and ensure the efficient operation of the system, it is necessary to set insulation cotton outside the air ducts. For air ducts with angle steel flange connections, the thickness of the angle steel flange is often greater than that of the insulation cotton, resulting in the outer edge of the angle steel flange being exposed. Since the angle steel flange is at the connection position inside and outside the air duct, this connection point is likely to cause poor heat conduction, thus forming a cold and hot junction, that is, a cold bridge. The cold bridge will cause a locally lower temperature, which may lead to condensation and condensate phenomena, affecting the adiabatic effect and service life of the air duct. In order to reduce the influence of the cold bridge, it is necessary to bond insulation cotton at the exposed position of the angle steel flange as an additional insulation layer to prevent heat dissipation and the formation of cold bridges.

[0003] During the construction of the additional insulation layer, the insulation cotton is manually pressed. Since the construction position is an exposed area with protrusions, it is very inconvenient. Content of the Utility Model

[0004] The purpose of the utility model is to provide a compaction structure for air duct insulation cotton used to compact the additional insulation layer at the exposed part of the flange.

[0005] The utility model is realized by the following measures: a compaction structure for air duct insulation cotton, which is characterized by comprising a hand-held bracket, a driving shaft rotatably arranged on the hand-held bracket, and a pressing roller arranged on the driving shaft and rotating with the driving shaft. An annular groove matching the thickness of the protrusion of the exposed flange is arranged at the middle position of the pressing roller. The depth of the annular groove is higher than the thickness of the protrusion of the exposed flange and less than the thickness after setting the additional insulation layer.

[0006] The pressing roller is made of plastic or rubber.

[0007] The connection between the annular groove and the pressing roller adopts an arc transition. The arc transition is determined by the fillet at the corner of the flange and the additional insulation layer.

[0008] The pressing roller comprises a roller one and a roller two. The roller one comprises a large-diameter section, a small-diameter section, and an arc section connecting the large-diameter section and the small-diameter section. The roller two comprises a large-diameter section and an arc section. A blind hole for inserting the small-diameter section is concentrically arranged on the roller two. The opening end of the blind hole is located at the arc section of the roller two. The outer diameters of the large-diameter sections of the roller one and the roller two are the same.

[0009] The drive shaft includes a smooth shaft section and a prism section. One end of the smooth shaft section is rotatably arranged on the hand-held bracket through a bearing. The other end of the smooth shaft section is provided with a multi-faceted hole for inserting the prism section, and the smooth shaft section and the prism section are fixed by bolts or pin shafts passing through the multi-faceted hole.

[0010] The other end of the prism section is provided with a screw rod through threaded connection. The outer end of the screw rod is fixedly provided with a top plate that can abut against the outer end wall of the second roller. A threaded blind hole matching the screw rod is concentrically arranged on the prism section.

[0011] The hand-held bracket includes a connecting rod and a hand-held rod. The connecting rod and the hand-held rod form an L shape. The bearing is arranged on the connecting rod through a bearing seat. The axis of the hand-held rod is parallel to the axis of the pressure roller.

[0012] The hand-held rod is provided with a hand-held part made of anti-slip material.

[0013] Working principle: Adjust the distance between the first roller and the second roller (i.e., the length of the small-diameter section) according to the thickness of the exposed flange, and then rotate the screw rod so that the top plate abuts against the outer wall of the second roller, and the outer end of the first roller abuts against the smooth shaft section, so as to ensure that the first roller, the second roller and the drive shaft rotate together.

[0014] Place the groove area between the first roller and the second roller on the thermal insulation cotton of the exposed flange, and manually hold the hand-held rod to push the pressure roller to move along the exposed flange. During the pressing process, it is necessary to manually press slightly to ensure that the thermal insulation cotton can be well bonded. The large-diameter section is used to press the overlapping part of the superimposed thermal insulation layer and the normal thermal insulation layer.

[0015] The beneficial effects brought by the technical solution provided by the embodiment of the present invention are: assisting manual compaction of the superimposed thermal insulation layer at the exposed part of the flange, and improving the bonding quality of the thermal insulation cotton. Description of the Drawings

[0016] In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the following listed drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0017] Figure 1 is the overall structural schematic diagram of the embodiment of the present invention;

[0018] Figure 2 is the internal structural schematic diagram after the first roller and the second roller in the embodiment of the present invention are cut open;

[0019] Figure 3It is a schematic exploded view of a wind pipe insulation cotton compaction structure in an embodiment of the present utility model;

[0020] Figure 4 It is a reference view of the usage state in an embodiment of the present utility model.

[0021] In the drawings, the list of components represented by each reference numeral is as follows: 1, hand-held bracket; 2, bearing seat; 3, pressure roller; 4, drive shaft; 5, screw; 6, blind hole; 7, mounting hole; 8, exposed flange; 9, wind pipe; 101, connecting rod; 102, hand-held rod; 10201, hand-held part; 301, roller one; 302, roller two; 30101, large-diameter section of roller one; 30102, arc section of roller one; 30103, small-diameter section of roller one; 30201, large-diameter section of roller two; 30202, arc section of roller two; 401, smooth shaft section; 402, prism section; 40101, multi-sided hole; 501, top plate. Specific embodiments

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to embodiments. Of course, the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] See Figures 1-4 , a wind pipe insulation cotton compaction structure, characterized in that it includes a hand-held bracket 1, a drive shaft 4 rotatably arranged on the hand-held bracket 1, and a pressure roller 3 arranged on the drive shaft 4 and rotating with the drive shaft 4. An annular groove matching the thickness of the protrusion of the exposed flange 8 is arranged at the middle position of the pressure roller 3, and the depth of the annular groove is higher than the thickness of the protrusion of the exposed flange 8 and less than the thickness after stacking the insulation layers.

[0024] The pressure roller 3 is made of plastic or rubber.

[0025] The connection between the annular groove and the pressure roller 3 is in arc transition. The arc transition is determined by the fillet at the corner of the flange and the stacked insulation layer.

[0026] The pressure roller 3 includes a roller one 301 and a roller two 302. The roller one 301 includes a large-diameter section 30101 of the roller one, a small-diameter section 30103 of the roller one, and an arc section 30102 of the roller one connecting the large-diameter section and the small-diameter section. The roller two 302 includes a large-diameter section 30201 of the roller two and an arc section 30202 of the roller two. A blind hole 6 for inserting the small-diameter section is concentrically arranged on the roller two 302. The opening end of the blind hole 6 is located at the arc section of the roller two 302. The outer diameters of the large-diameter sections of the roller one 301 and the roller two 302 are the same;

[0027] The drive shaft 4 includes a smooth shaft section 401 and a prism section 402. One end of the smooth shaft section 401 is rotatably arranged on the hand-held bracket 1 through a bearing. The other end of the smooth shaft section 401 is provided with a multi-faceted hole 40101 for inserting the prism section 402. The smooth shaft section 401 and the prism section 402 are fixed by bolts or pin shafts passing through the multi-faceted hole 40101. Mounting holes 7 for mounting bolts and pin shafts are provided on the smooth shaft section 401 and the prism section 402.

[0028] The other end of the prism section 402 is provided with a screw rod 5 through threaded connection. The outer end of the screw rod 5 is fixedly provided with a top plate 501 that can abut against the outer end wall of the second roller 302. A threaded blind hole 6 that cooperates with the screw rod 5 is concentrically arranged on the prism section 402.

[0029] The hand-held bracket 1 includes a connecting rod 101 and a hand-held rod 102. The connecting rod 101 and the hand-held rod 102 form an L shape. The bearing is arranged on the connecting rod 101 through a bearing seat 2. The axis of the hand-held rod 102 is parallel to the axis of the pressure roller 3.

[0030] A hand-held portion 10201 made of anti-slip material is provided on the hand-held rod 102.

[0031] Working principle: Adjust the distance between the first roller 301 and the second roller 302 (i.e., the length of the small-diameter section) according to the thickness of the exposed flange 8, and then rotate the screw rod 5 to make the top plate 501 abut against the outer wall of the second roller 302. The outer end of the first roller 301 abuts against the smooth shaft section 401, so as to ensure that the first roller 301, the second roller 302 and the drive shaft 4 rotate together.

[0032] Place the groove area between the first roller 301 and the second roller 302 on the heat-insulating cotton of the exposed flange 8. Manually hold the hand-held rod 102 and push the pressure roller 3 to move along the exposed flange 8. During the pressing process, manual force needs to be applied slightly to ensure that the heat-insulating cotton can be well bonded. The large-diameter section is used to press the overlapping part of the superposed heat-insulating layer and the normal heat-insulating layer.

[0033] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A compaction structure for duct insulation cotton, characterized in that, It includes a hand-held bracket, a drive shaft rotatably arranged on the hand-held bracket, and a pressure roller arranged on the drive shaft and rotating with the drive shaft. An annular groove matching the thickness of the exposed flange protrusion is arranged at the middle position of the pressure roller, and the depth of the annular groove is higher than the thickness of the exposed flange protrusion and less than the thickness after setting a superimposed heat-insulating layer on the protrusion thickness.

2. The air duct insulation cotton compaction structure according to claim 1, wherein, The pressure roller is made of plastic or rubber.

3. The air duct insulation cotton compaction structure according to claim 1, characterized in that, The connection between the annular groove and the pressure roller is in arc transition.

4. The air duct thermal insulation cotton compaction structure according to claim 1, characterized in that, The pressure roller includes a first roller and a second roller. The first roller includes a large-diameter section, a small-diameter section, and an arc section connecting the large-diameter section and the small-diameter section. The second roller includes a large-diameter section and an arc section. A blind hole for inserting the small-diameter section is concentrically arranged on the second roller, and the open end of the blind hole is located at the arc section of the second roller. The outer diameters of the large-diameter sections of the first roller and the second roller are the same; The drive shaft includes a smooth shaft section and a prism section. One end of the smooth shaft section is rotatably arranged on the hand-held bracket through a bearing, and a multi-faceted hole for inserting the prism section is arranged at the other end of the smooth shaft section. The smooth shaft section and the prism section are fixed by a bolt or a pin shaft passing through the multi-faceted hole; A screw is arranged at the other end of the prism section through a threaded connection. A top plate capable of abutting against the outer end wall of the second roller is fixedly arranged at the outer end of the screw, and a threaded blind hole matching the screw is concentrically arranged on the prism section.

5. The air duct thermal insulation cotton compaction structure according to claim 4, characterized in that, The hand-held bracket includes a connecting rod and a hand-held rod. The connecting rod and the hand-held rod form an L shape. The bearing is arranged on the connecting rod through a bearing seat, and the axis of the hand-held rod is parallel to the axis of the pressure roller.

6. The air duct thermal insulation cotton compaction structure according to claim 5, characterized in that, A hand-held part made of anti-slip material is arranged on the hand-held rod.

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