CN104315300A - Air exhaust pipe and end rainproof device thereof - Google Patents

Air exhaust pipe and end rainproof device thereof Download PDF

Info

Publication number
CN104315300A
CN104315300A CN201410500119.5A CN201410500119A CN104315300A CN 104315300 A CN104315300 A CN 104315300A CN 201410500119 A CN201410500119 A CN 201410500119A CN 104315300 A CN104315300 A CN 104315300A
Authority
CN
China
Prior art keywords
rotatingshaft
mounting hole
thimble
outlet pipe
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410500119.5A
Other languages
Chinese (zh)
Other versions
CN104315300B (en
Inventor
陈冬波
李志勇
李小鹏
乔茂斌
黄国辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Wanon Electric & Machine Co Ltd
Original Assignee
Guangzhou Wanon Electric & Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Wanon Electric & Machine Co Ltd filed Critical Guangzhou Wanon Electric & Machine Co Ltd
Priority to CN201410500119.5A priority Critical patent/CN104315300B/en
Publication of CN104315300A publication Critical patent/CN104315300A/en
Application granted granted Critical
Publication of CN104315300B publication Critical patent/CN104315300B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention relates to an air exhaust pipe and an end rainproof device thereof. The end rainproof device comprises a connecting seat, a stable fixing seat, a cap, a loose blade assembly and a limiting mechanism. The end rainproof device has the advantages that the comprehensive resistance back pressure in the air exhaust pipe caused by the cap and the loose blade is very small; when the air exhaust pipe does not exhaust air, the loose blade and the cap are restored to the closing state under the gravity action, so rain and snow are effectively prevented from entering the air exhaust pipe through the end part of the air exhaust pipe; during air exhausting, the cap and the loose blade can be pulled away by the air flow in the air exhaust pipe so as to effectively exhaust the air, the cap and the loose blade are automatically opened or closed, the manual operation is not needed, and the efficiency is high; the limiting mechanism is arranged in the stable limiting seat to limit the rotation travel amount of the cap and the loose blade, and the stability of the whole device is good.

Description

Outlet pipe and end rain insensitive device thereof
Technical field
The present invention relates to exhaust duct guard technology field, especially relate to a kind of outlet pipe and end rain insensitive device thereof.
Background technique
Outlet pipe is mostly located in outdoor outdoor environment, and when running into sleety weather, sleet easily enters in outlet pipe, and in final inflow equipment travelling mechanism, cause equipment corrosion or dysfunction, therefore, when installing outlet pipe, often one rain-proof cover is set at its exhaust port side.Traditional rain-proof cover is mostly opened or closed by manual, or is washed open by air-flow, and when air current flow, rain-proof cover is in unstable motion state all the time, and time one length causes fixing loosening unavoidably, affects ran-proof and snow-proof function.
Summary of the invention
Based on this, be necessary to provide one automatically to open and the good outlet pipe of stability and end rain insensitive device thereof.
An end rain insensitive device for outlet pipe, comprising:
Connecting base, for being fixed on described outlet pipe;
Stable state fixed base, is located on described connecting base;
Cap, is arranged on described stable state fixed base by lid handle, and described lid handle can rotate relative to described stable state fixed base; Described cap is for covering the end that is located at described outlet pipe and can being washed open by the air-flow in described outlet pipe;
Flap assembly, comprises transmission shaft and flap; Described transmission shaft is for being actively installed on the end of described outlet pipe and can rotating relative to described stable state fixed base; Described flap is located on described transmission shaft, for blocking the portion discharge passage of described outlet pipe, and can be washed open by the air-flow in described outlet pipe; And
Limting mechanism, is located in described stable state fixed base, is connected with described lid handle and described transmission shaft, the path increment that path increment and described transmission shaft for limiting the rotation of described lid handle rotate.
Wherein in an embodiment, described connecting base is yoke configurations, and has screw adjustments in joint.
Wherein in an embodiment, described stable state fixed base comprises two assembly walls be oppositely arranged, assembly wall described in two is welded on the outer side wall of described connecting base respectively by weld part, and the lower end of assembly wall described in two is connected to form the installation position of U-shaped structure by the joint of a sheet structure, assembly wall described in two offers 3 to the first mounting hole successively from upper end to lower end.
Wherein in an embodiment, described limting mechanism comprises restriction seat, pad, the first rotatingshaft, Returnning spring, the second rotatingshaft, spring thimble assembly and limited post; Wherein, described pad has two, is located at the both sides of described restriction seat respectively and is fixed on together with described restriction seat between described two assembly walls; Described first rotatingshaft is located in described restriction seat, and can rotate relative to described restriction seat, and described lid sleeve is located on described first rotatingshaft; Described Returnning spring is located at the two ends of described first rotatingshaft, for providing elastic reset power when described first rotatingshaft rotates; Described second rotatingshaft is connected with described transmission shaft, and vertically with described first rotatingshaft arranges, and described second rotatingshaft can be driven by described transmission shaft and rotate relative to described restriction seat in described restriction seat; Described spring thimble assembly coordinates to limit the path increment that described first rotatingshaft rotates with described second rotatingshaft; Described limited post inserts in described restriction seat for limiting the path increment that described second rotatingshaft rotates.
Wherein in an embodiment, described restriction seat is rectangular shape, and be provided with the second mounting hole in the position near an end, described second mounting hole is through to another side from a side of described restriction seat; The bi-side that described restriction seat is offering described second mounting hole are provided with mounting groove, and the position of described second mounting hole and mounting groove is corresponding with the middle part of described stable state fixed base and the position near the first mounting hole of bottom respectively;
One end of described pad is provided with the 3rd mounting hole, the other end is provided with U-type groove, and described 3rd mounting hole is corresponding with the position of described second mounting hole, described U-type groove is corresponding with the position of described mounting groove, described mounting groove is the first mounting hole in the middle part of thread groove and/or described stable state fixed base is tapped hole, described restriction seat and described pad are fixed on described assembly wall by three screws, wherein, the first mounting hole is passed successively by two in middle part, the screw of U-type groove and mounting groove is fixed, bottom is by passing the first mounting hole successively, 3rd mounting hole, second mounting hole, the screw of the 3rd mounting hole and the first mounting hole is fixed.
Wherein in an embodiment, described restriction seat offers the first rotatingshaft mounting hole, the second rotatingshaft mounting hole, spring thimble mounting hole and spacing hole;
Described first rotatingshaft mounting hole is perforation structure, and be arranged in parallel with described second mounting hole, is located at the position of close the other end of described restriction seat, and the two ends of described first rotatingshaft mounting hole are secondary heavy stand hole structure; Described first rotatingshaft is located in described first rotatingshaft mounting hole;
Described second rotatingshaft mounting hole is a perforation structure, and vertically with described first rotatingshaft mounting hole arranges; Described second rotatingshaft is located in described second rotatingshaft mounting hole;
Described spring thimble mounting hole is located in described restriction seat, and less with the internal diameter of described first rotatingshaft mounting hole with the described second rotatingshaft mounting hole respectively part in two ends is communicated with; Described spring thimble assembly is located in described spring thimble mounting hole;
Described spacing hole is located at the wherein side offering described mounting groove of described position limit socket, and described spacing hole is communicated with described second rotatingshaft mounting hole; Described limited post is located in described spacing hole and one end and stretches in described second rotatingshaft mounting hole.
Wherein in an embodiment, the middle part of described first rotatingshaft is provided with multiple limited impression and is provided with Spring insertion holes at two ends; The length direction of described limited impression and the axial consistent of described first rotatingshaft, and multiple described limited impression surrounds one week formative gear structure around the periphery wall of described first rotatingshaft;
Described Returnning spring has two, be located at the part that the internal diameter at the first rotatingshaft mounting hole two ends is larger respectively, and the two ends of described Returnning spring are inserted in described Spring insertion holes and in described restriction seat respectively, thus described Returnning spring elastic strain can be driven when described first rotatingshaft rotates relative to described restriction seat.
Wherein in an embodiment, described second rotatingshaft is provided with sliding recess and restraining groove successively from one end to the other end, and the bottom land of described sliding recess and described restraining groove arches upward;
Described spring thimble assembly comprises thimble overcoat, thimble spring and thimble liner; The inside of described thimble overcoat is provided with the containing groove holding thimble spring, and one end open; Described thimble spring is located in this containing groove, and the bottom land of one end and containing groove abuts against; Described thimble liner has bar portion and is positioned at the cap portion of one end, bar portion, and described bar portion is through thimble spring, and the other end of described cap portion and described thimble spring abuts against;
The bottom of described thimble overcoat and the cap portion of described thimble liner can abut with the bottom land of the bottom land of described sliding recess and described limited impression; When described second rotatingshaft rotates, the bottom of described thimble overcoat slides into along the bottom land of described sliding recess the peak arched upward, thus drive the cap portion of described thimble liner extrude described limited impression with by spacing for described first rotatingshaft to prevent described first rotatingshaft from rotating; When described second rotatingshaft rotate and make the bottom of described thimble overcoat and the bottom land of described sliding recess comparatively low spot abuts against time, the cap portion of described thimble liner reduces with the power that abuts of the bottom land of described limited impression, and described first rotatingshaft is in the active force backspin reply original state of described Returnning spring;
One end of described limited post is inserted in described restraining groove, and when described second rotatingshaft rotates, described limited post is in order to limit the rotation amplitude of described second rotatingshaft.
Wherein in an embodiment, described restriction seat also offers the patchhole be communicated with described spring thimble mounting hole in a side, described patchhole and the coaxial setting of described spring thimble mounting hole, for being inserted into described spring thimble assembly in described spring thimble mounting hole when assembling.
A kind of outlet pipe, comprises the end rain insensitive device of the outlet pipe described in above-mentioned any embodiment.
The end rain insensitive device of above-mentioned outlet pipe, cap and flap very little to the exhaust overall drag back pressure in outlet pipe, when outlet pipe is not vented, flap and cap are subject to Action of Gravity Field and revert to closed state, can effectively prevent sleet from entering in outlet pipe from the end of outlet pipe; When being vented, cap and flap can be washed open by the air-flow in outlet pipe, and with effective Exhaust Gas, cap and opening or closing of flap are carried out automatically, and without the need to Manpower operating, efficiency is high.And being provided with limting mechanism in stable state position limit socket in order to limit the path increment of cap and flap rotation, whole device stability is good.
Accompanying drawing explanation
Fig. 1 is the open mode schematic diagram of the end rain insensitive device of the outlet pipe of a mode of execution;
Fig. 2 is the closed condition schematic diagram of Fig. 1 medial end portions rain insensitive device;
Fig. 3 is the structural representation of stable state fixed base in Fig. 1;
Fig. 4 is the structural representation of limting mechanism in Fig. 1;
Fig. 5 is the decomposed schematic diagram of limting mechanism in Fig. 4;
Fig. 6 is the structural representation limiting seat in Fig. 4;
Fig. 7 is the structural representation of Fig. 4 Intermediate gasket;
Fig. 8 is the structural representation of the first rotatingshaft in Fig. 4;
Fig. 9 is the structural representation of Returnning spring in Fig. 4;
Figure 10 is the structural representation of the second rotatingshaft in Fig. 4;
Figure 11 is the sectional view of Fig. 4 medi-spring ejector pin component.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein "and/or" comprises arbitrary and all combinations of one or more relevant Listed Items.
As depicted in figs. 1 and 2, the end rain insensitive device 10 of the outlet pipe of a mode of execution is mainly used in the end being arranged on outlet pipe 20, for the end ran-proof and snow-proof of outlet pipe 20.This end rain insensitive device 10 mainly comprises connecting base 100, stable state fixed base 200, cap 300, flap assembly 400 and limting mechanism 500.
Connecting base 100 for being fixed on outlet pipe 20, the such as end of outlet pipe 20.In the present embodiment, connecting base 100 is a yoke configurations, and for being set in the end of outlet pipe 20, and the connecting end of this yoke configurations has screw adjustments 110, for screwing or unscrew described yoke configurations.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, stable state fixed base 200 is located on the outer side wall of connecting base 100 of yoke configurations, and upwards arranges.Stable state fixed base 200 can be fixed on connecting base 100 by modes such as welding.The stable state fixed base 200 of present embodiment comprises two assembly walls be oppositely arranged 210.Two assembly walls 210 are welded on the outer side wall of connecting base 100 respectively by weld part 220, and the lower end of two assembly walls 210 is connected to form U-shaped structure by the joint 230 of a sheet structure.Two assembly walls 210 offer 3 successively to the first mounting hole 212 from upper end to lower end.Installation position 202 is formed, for installing parts such as limting mechanism 500 grade between two assembly walls 210 of U-shaped structure and joint 230.
The cover rim 320 that cap 300 has caping 310 and extends to form to side around the outer periphery of caping 310.Shape, the size fit of the end of the shape of cap 300, size and outlet pipe 20, can cover the end at outlet pipe 20.In the present embodiment, caping 310 is round structure.
Cap 300 is connected with stable state fixed base 200 by a lid handle 330.Lid handle 330 can be fixed on the back side of cap 300 by modes such as welding or screw connections.Lid handle 330 can rotate relative to limting mechanism 500 and stable state fixed base 200, and then drives cap 300 to open or close.
The exhaust overall drag back pressure of cap 300 pairs of outlet pipes 20 is very little, and the air-flow in outlet pipe 20 can be easy to cap 300 to back down.
Flap assembly 400 comprises transmission shaft 410 and flap 420.Wherein, transmission shaft 410 is for being actively installed on the end of outlet pipe 20.In the present embodiment, transmission shaft 410 activity is located in the end of outlet pipe 20, and can rotate in this end.
Flap 420 is located on transmission shaft 410, for blocking the portion discharge passage of outlet pipe 20, and can be washed open by the air-flow in outlet pipe 20.In the present embodiment, flap 420 is semicircular structure, and size is mated with the size of outlet pipe 20, can seal the exhaust passage of half outlet pipe 20.When not having air-flow in outlet pipe 20, flap 420 is in level, and also namely the plane of whole flap 420 and the end plane of outlet pipe 20 be arranged in parallel.The overall drag back pressure of the air-flow in flap 420 pairs of outlet pipes is also very little, can be easy to be washed open by the air-flow in outlet pipe 20.
Incorporated by reference to Fig. 4 and Fig. 5, limting mechanism 500 is located in stable state fixed base 420, the path increment that path increment and transmission shaft 410 for limiting lid handle 330 rotation rotate.In the present embodiment, limting mechanism 500 comprises restriction seat 510, pad 520, first rotatingshaft 530, Returnning spring 540, second rotatingshaft 550, spring thimble assembly 560 and limited post 570.
Restriction seat 510 is fixedly mounted on stable state fixed base 200.Specifically in the present embodiment, as shown in Figure 6, restriction seat 510 is in rectangular shape.Restriction seat 510 is provided with the second mounting hole 511 in the position near an end.Second mounting hole 511 is through to another side from a side of restriction seat 510.Limit the bi-side that seat 510 is offering the second mounting hole 511 and be provided with mounting groove 513.The position of the second mounting hole 511 and mounting groove 513 is corresponding with the middle part of stable state fixed base 200 and the position near the first mounting hole 202 of bottom respectively.
Incorporated by reference to Fig. 5, Fig. 6 and Fig. 7, pad 520 has two.One end of pad 520 is provided with the 3rd mounting hole 522, and the other end is provided with U-type groove 524.Pad 520 is located at the both sides of restriction seat 510, and the 3rd mounting hole 522 is corresponding with the position of the second mounting hole 512, and U-type groove 524 is corresponding with the position of mounting groove 513.Mounting groove 513 is the first mounting hole 202 in the middle part of thread groove and/or stable state fixed base 200 is tapped hole.Restriction seat 510 and pad 520 are located between two assembly walls 210, be fixed on assembly wall 210 by three screws, wherein, middle part is fixed through the screw of the first mounting hole 202, U-type groove 524 and mounting groove 513 successively by two, and bottom is fixed by the screw successively through the first mounting hole 202, the 3rd mounting hole 522, second mounting hole 511, the 3rd mounting hole 522 and the first mounting hole 202.
Further, as shown in Figure 6, limit on seat 510 and there is the first rotatingshaft mounting hole 515 and the second rotatingshaft mounting hole 517.First rotatingshaft mounting hole 515 is perforation structure, and be arranged in parallel with the second mounting hole 512, is located at the position of close the other end of restriction seat 510.The two ends of the first rotatingshaft mounting hole 515 are secondary heavy stand hole structure.Second rotatingshaft mounting hole 517 is also a perforation structure, and vertically with the first rotatingshaft mounting hole 515 arranges.In addition, in the present embodiment, restriction seat 510 is provided with the spring thimble mounting hole 518 of through-hole structure between the part that the internal diameter of the second rotatingshaft mounting hole 517 and the first rotatingshaft mounting hole 515 is less, and a side opening offering mounting groove 513 is provided with the spacing hole 519 be communicated with described second rotatingshaft mounting hole 517 wherein.
As shown in Figure 8, the first rotatingshaft 530 is located in the first rotatingshaft mounting hole 515.The middle part of the first rotatingshaft 530 is provided with multiple limited impression 532.The length direction of limited impression 532 and the axial consistent of the first rotatingshaft 530, and multiple limited impression 532 surrounds one week formative gear structure around the periphery wall of the first rotatingshaft 530.Lid handle 330 is set on the first rotatingshaft 530 and the first rotatingshaft 530 is fixedly connected with.Lid handle 330 coordinates be located between two assembly walls 210 with restriction seat 510.First rotatingshaft 530 is provided with Spring insertion holes 534 at the two ends of gear structure.
As shown in Figure 9, Returnning spring 540 has two, is located at the part that the internal diameter at the first rotatingshaft mounting hole 515 two ends is larger respectively.In the Spring insertion holes 534 that the first rotatingshaft 530 is inserted at the two ends of Returnning spring 540 respectively and in restriction seat 510, thus the first rotatingshaft 530 relatively limits when seat 510 rotates and can drive Returnning spring 540 elastic strain.When Returnning spring 540 for not having an air current flow in outlet pipe 20, cap 300 is resetted the end covering outlet pipe 20.The elasticity coefficient of Returnning spring 540 is not high, can wash cap 300 open to make faint air-flow.
As shown in Figure 10, the second rotatingshaft 550 is located in the second rotatingshaft mounting hole 517, and is fixedly connected with one end of transmission shaft 410.In the present embodiment, the second rotatingshaft 550 is provided with sliding recess 552 and restraining groove 554 successively from one end to the other end.The bottom land of sliding recess 552 and restraining groove 554 arches upward.
As shown in figure 11, spring thimble assembly 560 is located in spring thimble mounting hole 518, comprises thimble overcoat 562, thimble spring 564 and thimble liner 566.The inside of thimble overcoat 562 is provided with the containing groove holding thimble spring 564, and one end open.Thimble spring 564 is located in this containing groove, and the bottom land of one end and containing groove abuts against.Thimble liner 566 has bar portion and is arranged in the cap portion (figure does not indicate) of one end, bar portion.Bar portion is located in thimble overcoat 562 through thimble spring 564.The other end of cap portion and thimble spring 564 abuts against.The bottom of thimble overcoat 562 and the cap portion of thimble liner 566 not and the bottom land of sliding recess 552 and the bottom land of limited impression 532 abut against, particularly, when having gas to discharge in outlet pipe 20, flap 420 is washed open by air-flow and is driven the second rotatingshaft 550 to rotate by transmission shaft 410, the bottom of thimble overcoat 562 slides into along the bottom land of sliding recess 552 peak arched upward, thus drive the cap portion extruding limited impression 532 of thimble liner 566 with by spacing for the first rotatingshaft 530 to prevent lid handle 330 from rotating.When there is no air-flow in outlet pipe 20, flap 420 replys original state, and drive the second rotatingshaft 550 to rotate, now, the bottom of thimble overcoat 562 abuts with the comparatively low spot of the bottom land of sliding recess 552, the cap portion of thimble liner 566 reduces with the power that abuts of the bottom land of limited impression 532, and the first rotatingshaft 530 rotates and drives cap 300 to reply initial position to cover outlet pipe 20.
As shown in Figure 5, limited post 570 is located in spacing hole 519 and one end insertion restraining groove 554.When the second rotatingshaft 550 rotates, limited post 570 can limit the rotation amplitude of the second rotatingshaft 550, makes the rotation of the second rotatingshaft 550 control in the angle of the fluting of restraining groove 554.
In addition, in the present embodiment, limit seat 510 and also offer the patchhole 512 be communicated with spring thimble mounting hole 518 in a side.Patchhole 512 is offered and setting coaxial with spring thimble mounting hole 518 from a surface of restriction seat 510, is convenient to be inserted by spring thimble assembly 560 when installation be arranged in spring thimble mounting hole 518.
Above-mentioned end rain insensitive device 10 can be widely used in the ran-proof and snow-proof field, end of outlet pipe 20, to obtain the outlet pipe with ran-proof and snow-proof function.
When outlet pipe 20 is vented, pressure in outlet pipe 20 increases, air-flow is directly proportional to the pressure in outlet pipe 20 to the pressure of flap 420 to cap 300, the pressure of air-flow to cap 300 and flap 420 produces moment, when the moment that the own wt that the moment of air-flow to cap 300 and flap 420 is greater than cap 300 and flap 420 produces, gas in outlet pipe 20 washes cap 300 and flap 420 open, thus gas is normally discharged.Have certain moment of momentum after cap 300 and flap 420 are rushed to open, can continue to rotate, for avoiding cap 300 to be raised completely, limting mechanism 500 is for limiting the path increment of cap 300 and flap 420.When reaching the path increment of setting after flap 420 is rushed to open, limting mechanism 500 reaction force is to flap 420, gas in outlet pipe 20 is to flap 420 pressure, flap 420 gravitate, when flap 420 rotates, transmission shaft 410 can follow rotation, by transmission shaft 410 output torque to stable state fixed base 200, stable state fixed base 200 is limited cap 300 by active force by limting mechanism 500, the reaction force of cap 300 pairs of limting mechanisms 500, this several active force makes flap 420 be in a kind of transient equiliblium, and the transient equiliblium passed through makes cap 300 be in a kind of metastable state, metastable cap 300 and outlet pipe 20 are not overlapping in discharge directions, the exhaust of outlet pipe 20 is not affected, flap 420 self gravitation during transient equiliblium and transmission shaft 410 very near, flap 420 is consistent with the discharge directions of outlet pipe 20, impact is vented on outlet pipe 20 very little.
The exhaust overall drag back pressure of cap 300 pairs of outlet pipes 20 is very little, when outlet pipe 20 is not vented, flap 420 gravitate reverts to closed state, and the restriction removed cap 300, cap 300 gravitate reverts to closed state, like this can either effective Exhaust Gas, sleet can be avoided again to enter from outlet pipe 20 when not working.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. an end rain insensitive device for outlet pipe, is characterized in that, comprising:
Connecting base, for being fixed on described outlet pipe;
Stable state fixed base, is located on described connecting base;
Cap, is arranged on described stable state fixed base by lid handle, and described lid handle can rotate relative to described stable state fixed base; Described cap is for covering the end that is located at described outlet pipe and can being washed open by the air-flow in described outlet pipe;
Flap assembly, comprises transmission shaft and flap; Described transmission shaft is for being actively installed on the end of described outlet pipe and can rotating relative to described stable state fixed base; Described flap is located on described transmission shaft, for blocking the portion discharge passage of described outlet pipe, and can be washed open by the air-flow in described outlet pipe; And
Limting mechanism, is located in described stable state fixed base, is connected with described lid handle and described transmission shaft, the path increment that path increment and described transmission shaft for limiting the rotation of described lid handle rotate.
2. the end rain insensitive device of outlet pipe as claimed in claim 1, it is characterized in that, described connecting base is yoke configurations, and has screw adjustments in joint.
3. the end rain insensitive device of outlet pipe as claimed in claim 2, it is characterized in that, described stable state fixed base comprises two assembly walls be oppositely arranged, assembly wall described in two is welded on the outer side wall of described connecting base respectively by weld part, and the lower end of assembly wall described in two is connected to form the installation position of U-shaped structure by the joint of a sheet structure, assembly wall described in two offers 3 to the first mounting hole successively from upper end to lower end.
4. the end rain insensitive device of outlet pipe as claimed in claim 3, is characterized in that, described limting mechanism comprises restriction seat, pad, the first rotatingshaft, Returnning spring, the second rotatingshaft, spring thimble assembly and limited post; Wherein, described pad has two, is located at the both sides of described restriction seat respectively and is fixed on together with described restriction seat between described two assembly walls; Described first rotatingshaft is located in described restriction seat, and can rotate relative to described restriction seat, and described lid sleeve is located on described first rotatingshaft; Described Returnning spring is located at the two ends of described first rotatingshaft, for providing elastic reset power when described first rotatingshaft rotates; Described second rotatingshaft is connected with described transmission shaft, and vertically with described first rotatingshaft arranges, and described second rotatingshaft can be driven by described transmission shaft and rotate relative to described restriction seat in described restriction seat; Described spring thimble assembly coordinates to limit the path increment that described first rotatingshaft rotates with described second rotatingshaft; Described limited post inserts in described restriction seat for limiting the path increment that described second rotatingshaft rotates.
5. the end rain insensitive device of outlet pipe as claimed in claim 4, it is characterized in that, described restriction seat is rectangular shape, and be provided with the second mounting hole in the position near an end, described second mounting hole is through to another side from a side of described restriction seat; The bi-side that described restriction seat is offering described second mounting hole are provided with mounting groove, and the position of described second mounting hole and mounting groove is corresponding with the middle part of described stable state fixed base and the position near the first mounting hole of bottom respectively;
One end of described pad is provided with the 3rd mounting hole, the other end is provided with U-type groove, and described 3rd mounting hole is corresponding with the position of described second mounting hole, described U-type groove is corresponding with the position of described mounting groove, described mounting groove is the first mounting hole in the middle part of thread groove and/or described stable state fixed base is tapped hole, described restriction seat and described pad are fixed on described assembly wall by three screws, wherein, the first mounting hole is passed successively by two in middle part, the screw of U-type groove and mounting groove is fixed, bottom is by passing the first mounting hole successively, 3rd mounting hole, second mounting hole, the screw of the 3rd mounting hole and the first mounting hole is fixed.
6. the end rain insensitive device of outlet pipe as claimed in claim 5, it is characterized in that, described restriction seat offers the first rotatingshaft mounting hole, the second rotatingshaft mounting hole, spring thimble mounting hole and spacing hole;
Described first rotatingshaft mounting hole is perforation structure, and be arranged in parallel with described second mounting hole, is located at the position of close the other end of described restriction seat, and the two ends of described first rotatingshaft mounting hole are secondary heavy stand hole structure; Described first rotatingshaft is located in described first rotatingshaft mounting hole;
Described second rotatingshaft mounting hole is a perforation structure, and vertically with described first rotatingshaft mounting hole arranges; Described second rotatingshaft is located in described second rotatingshaft mounting hole;
Described spring thimble mounting hole is located in described restriction seat, and less with the internal diameter of described first rotatingshaft mounting hole with the described second rotatingshaft mounting hole respectively part in two ends is communicated with; Described spring thimble assembly is located in described spring thimble mounting hole;
Described spacing hole is located at the wherein side offering described mounting groove of described position limit socket, and described spacing hole is communicated with described second rotatingshaft mounting hole; Described limited post is located in described spacing hole and one end and stretches in described second rotatingshaft mounting hole.
7. the end rain insensitive device of outlet pipe as claimed in claim 6, it is characterized in that, the middle part of described first rotatingshaft is provided with multiple limited impression and is provided with Spring insertion holes at two ends; The length direction of described limited impression and the axial consistent of described first rotatingshaft, and multiple described limited impression surrounds one week formative gear structure around the periphery wall of described first rotatingshaft;
Described Returnning spring has two, be located at the part that the internal diameter at the first rotatingshaft mounting hole two ends is larger respectively, and the two ends of described Returnning spring are inserted in described Spring insertion holes and in described restriction seat respectively, thus described Returnning spring elastic strain can be driven when described first rotatingshaft rotates relative to described restriction seat.
8. the end rain insensitive device of outlet pipe as claimed in claim 7, is characterized in that, described second rotatingshaft is provided with sliding recess and restraining groove successively from one end to the other end, and the bottom land of described sliding recess and described restraining groove arches upward;
Described spring thimble assembly comprises thimble overcoat, thimble spring and thimble liner; The inside of described thimble overcoat is provided with the containing groove holding thimble spring, and one end open; Described thimble spring is located in this containing groove, and the bottom land of one end and containing groove abuts against; Described thimble liner has bar portion and is positioned at the cap portion of one end, bar portion, and described bar portion is through thimble spring, and the other end of described cap portion and described thimble spring abuts against;
The bottom of described thimble overcoat and the cap portion of described thimble liner can abut with the bottom land of the bottom land of described sliding recess and described limited impression; When described second rotatingshaft rotates, the bottom of described thimble overcoat slides into along the bottom land of described sliding recess the peak arched upward, thus drive the cap portion of described thimble liner extrude described limited impression with by spacing for described first rotatingshaft to prevent described first rotatingshaft from rotating; When described second rotatingshaft rotate and make the bottom of described thimble overcoat and the bottom land of described sliding recess comparatively low spot abuts against time, the cap portion of described thimble liner reduces with the power that abuts of the bottom land of described limited impression, and described first rotatingshaft is in the active force backspin reply original state of described Returnning spring;
One end of described limited post is inserted in described restraining groove, and when described second rotatingshaft rotates, described limited post is in order to limit the rotation amplitude of described second rotatingshaft.
9. the end rain insensitive device of outlet pipe as claimed in claim 8, it is characterized in that, described restriction seat also offers the patchhole be communicated with described spring thimble mounting hole in a side, described patchhole and the coaxial setting of described spring thimble mounting hole, for being inserted into described spring thimble assembly in described spring thimble mounting hole when assembling.
10. an outlet pipe, is characterized in that, comprises the end rain insensitive device of the outlet pipe according to any one of claim 1 ~ 9.
CN201410500119.5A 2014-09-25 2014-09-25 Outlet pipe and end rain insensitive device thereof Active CN104315300B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410500119.5A CN104315300B (en) 2014-09-25 2014-09-25 Outlet pipe and end rain insensitive device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410500119.5A CN104315300B (en) 2014-09-25 2014-09-25 Outlet pipe and end rain insensitive device thereof

Publications (2)

Publication Number Publication Date
CN104315300A true CN104315300A (en) 2015-01-28
CN104315300B CN104315300B (en) 2016-04-06

Family

ID=52370576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410500119.5A Active CN104315300B (en) 2014-09-25 2014-09-25 Outlet pipe and end rain insensitive device thereof

Country Status (1)

Country Link
CN (1) CN104315300B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508248A (en) * 2017-09-25 2017-12-22 中广核研究院有限公司 The adjustable plugging device in aperture
CN107508225A (en) * 2017-09-25 2017-12-22 中广核研究院有限公司 Fire-resistant plugging device
CN114811216A (en) * 2022-03-01 2022-07-29 武汉船用机械有限责任公司 Protective device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324220Y (en) * 1998-02-11 1999-06-16 付一帆 Antiwind wind power exhaust pipe
CN2603161Y (en) * 2003-03-24 2004-02-11 丁爱民 Combined fume exhaustnig pipe line for kitchen and toilet of residence
US6954947B1 (en) * 2004-04-27 2005-10-18 Williams Jr Marvin J Pluming vent cover
US20060246833A1 (en) * 2004-05-17 2006-11-02 Arnold John G Jr Chimney cap apparatus and method
CN201747443U (en) * 2010-08-09 2011-02-16 沈洪峰 Rainproof cap for exhaust port
EP2317028A2 (en) * 2009-10-30 2011-05-04 Poujoulat Roof outlet for a flue gas pipe
CN204187203U (en) * 2014-09-25 2015-03-04 广州威能机电有限公司 Outlet pipe and end rain insensitive device thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324220Y (en) * 1998-02-11 1999-06-16 付一帆 Antiwind wind power exhaust pipe
CN2603161Y (en) * 2003-03-24 2004-02-11 丁爱民 Combined fume exhaustnig pipe line for kitchen and toilet of residence
US6954947B1 (en) * 2004-04-27 2005-10-18 Williams Jr Marvin J Pluming vent cover
US20060246833A1 (en) * 2004-05-17 2006-11-02 Arnold John G Jr Chimney cap apparatus and method
EP2317028A2 (en) * 2009-10-30 2011-05-04 Poujoulat Roof outlet for a flue gas pipe
CN201747443U (en) * 2010-08-09 2011-02-16 沈洪峰 Rainproof cap for exhaust port
CN204187203U (en) * 2014-09-25 2015-03-04 广州威能机电有限公司 Outlet pipe and end rain insensitive device thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508248A (en) * 2017-09-25 2017-12-22 中广核研究院有限公司 The adjustable plugging device in aperture
CN107508225A (en) * 2017-09-25 2017-12-22 中广核研究院有限公司 Fire-resistant plugging device
CN107508225B (en) * 2017-09-25 2023-11-17 中广核研究院有限公司 Fireproof plugging device
CN107508248B (en) * 2017-09-25 2023-11-21 中广核研究院有限公司 Aperture-adjustable plugging device
CN114811216A (en) * 2022-03-01 2022-07-29 武汉船用机械有限责任公司 Protective device
CN114811216B (en) * 2022-03-01 2023-11-17 武汉船用机械有限责任公司 Protective device

Also Published As

Publication number Publication date
CN104315300B (en) 2016-04-06

Similar Documents

Publication Publication Date Title
CN104315300B (en) Outlet pipe and end rain insensitive device thereof
CN203415819U (en) Lightning rod screw elevating system
CN204187203U (en) Outlet pipe and end rain insensitive device thereof
CN201723476U (en) Square low-noise wall-shaped side wall fan
CN204187073U (en) Multistable adjustment seat
CN204669763U (en) A kind of window structure and there is electric-controlled box and the air conditioner of this structure
CN208656330U (en) A kind of multiduty PVC pipeline
CN216112202U (en) Overturning type valve core assembly for oil unloading valve
CN211344354U (en) Novel LNG gas connector
CN211423689U (en) Quick exhaust valve for agricultural irrigation pipeline
CN209723955U (en) A kind of limiter for arrangements for automotive doors
CN209722833U (en) Sweeper sweeps disk avoidance protective device
CN204493964U (en) A kind of bend pipe structure-improved of construction engineering ventilation duct
CN205944986U (en) Dive axial -flow pump cable outlet structure
CN206291716U (en) A kind of open U-shaped muffle tube
CN206712102U (en) Insert on a kind of ground for being easy to patchplug
CN206017753U (en) A kind of reinforced gate valve
CN207314463U (en) A kind of impurity remove device for inside house sewer
CN207358989U (en) The opener of circular closure
CN211547837U (en) Ground is wall protection machanism even
CN217107489U (en) Wind power exhauster
CN214274518U (en) Double-eccentric butterfly valve with good sealing performance
CN206973103U (en) Gas pipeline
CN204317362U (en) Transmission overhead line ball-type bird-proof device
CN208045292U (en) A kind of bushing for transformer structure and transformer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant