CN211010316U

CN211010316U - Adjustable lifting and shrinking flue

Info

Publication number: CN211010316U
Application number: CN201920732049.4U
Authority: CN
Inventors: 刘国珍
Original assignee: Wenchuan Shenzhou Zirconium Industry Technology Co ltd
Current assignee: Wenchuan Shenzhou Zirconium Industry Technology Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-07-14
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an adjustable liter flue that contracts relates to flue technical field, the on-line screen storage device comprises a base, the fixed chimney of the upper surface middle part fixedly connected with of base, the top of fixed chimney is provided with a plurality of movable chimney, all is connected through the telescopic connection section of thick bamboo between fixed chimney and movable chimney and two adjacent movable chimney, upper surface one side fixedly connected with guide bar of base, fixed chimney all is connected with the guide bar through the adapter sleeve with movable chimney, the middle part outside fixedly connected with regulating block of fixed chimney is provided with the movable rod on the regulating block. The utility model discloses a be provided with a plurality of movable chimney, be provided with the flexible connecting cylinder between two adjacent movable chimney for the flue has guaranteed the leakproofness of flue when flexible, is provided with guide bar and adapter sleeve on the base, provides the guide effect for the movable chimney, makes the movable chimney can vertical removal when flexible, is provided with the movable rod on the base.

Description

Adjustable lifting and shrinking flue

Technical Field

The utility model relates to a flue technical field, more specifically relates to an adjustable liter flue that contracts.

Background

The flue (flue pipe) is a tubular device for discharging waste gas and smoke, and the residential flue refers to a vertical pipeline product for discharging kitchen smoke or waste gas of a toilet, and is also called an exhaust duct, a ventilation duct and a residential exhaust duct. The chimney is a duct for sending flames and smoke to the external space. The flue is used for exhausting flue gas generated in kitchen cooking activities or pipeline products of foul air in toilets. Also called exhaust duct, ventilation duct, house exhaust duct. The residential flue is a main component of a common exhaust pipeline system for residential kitchens and toilets. Traditional flue length is fixed, can not stretch out and draw back, can't carry out the adjustment of flue length, influences the emission efficiency of flue gas.

In an authorized chinese utility model patent with patent number CN 204282166U: the automatic and manual control telescopic flue comprises a first section of flue and a second section of flue which are matched in an inserting manner, and is characterized in that worm reducers are fixed on two sides of the first section of flue, first supporting seats are fixed on two sides of the first section of flue, second supporting seats are fixed on two sides of the second section of flue, lead screws fixedly connected to power output shafts of the worm reducers penetrate through the first supporting seats and the second supporting seats and are connected with nuts fixedly connected to the second supporting seats, and remote control receivers in signal connection with a remote control generator are arranged on the worm reducers; the overhanging end of the screw rod is provided with a wrench notch. The worm reducer has a self-locking function, the lead screw and the nut are connected by utilizing the characteristic of a helix angle, and the relative extension of the first section of flue and the second section of flue in a splicing fit can be realized by driving the lead screw to rotate through a wireless remote control device or a wrench/rocking handle. Has the advantages of simple structure, reliable action, rapidness, convenience, time saving, labor saving and the like.

However, in the above scheme, the telescopic flue is complex in structure, basically depends on electric telescopic operation, and is labor-consuming in manual telescopic operation, and the telescopic flue is not provided with a sealing structure at the expansion joint, so that the leakage of flue gas is easy to occur, and the surrounding environment is affected. Therefore, it is necessary to provide an adjustable telescopic flue to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an adjustable liter flue that contracts, through being provided with a plurality of movable chimney, be provided with flexible connecting cylinder between two adjacent movable chimney for the flue is when flexible, has guaranteed the leakproofness of flue, with the problem of proposing in solving above-mentioned background art.

The purpose of the utility model is realized through the following technical scheme: an adjustable telescopic flue comprises a base, wherein a fixed chimney is fixedly connected to the middle of the upper surface of the base, a plurality of movable chimneys are arranged above the fixed chimney, the fixed chimney and the movable chimneys as well as two adjacent movable chimneys are connected through telescopic connecting cylinders, a guide rod is fixedly connected to one side of the upper surface of the base, the fixed chimney and the movable chimneys are connected with the guide rod through connecting sleeves, the connecting sleeves are sleeved on the outer sides of the guide rods, an adjusting block is fixedly connected to the outer side of the middle of each fixed chimney, and a movable rod is arranged on the adjusting block;

logical groove has been seted up to the inside of regulating block, the movable rod is located logical inner chamber one side of groove, the one end of movable rod is provided with the cogged belt, the inner chamber opposite side that leads to the groove is provided with the gear, the gear is connected with the cogged belt meshing, the middle part through connection of gear has the connecting axle, the one end of connecting axle is passed through the bearing and is led to the wall connection in groove, the other end of connecting axle run through logical lateral wall and with one side middle part fixed connection of carousel, the carousel is located the outside of regulating block, the opposite side one end fixedly connected with handle of carousel, the opposite side other end of carousel has the screw thread knob through threaded connection.

Preferably, the upper surface of the base is provided with a slot, the bottom end of the movable rod is positioned in the slot, and the bottom end of the movable rod is connected with the inner bottom wall of the slot through a compression spring.

Preferably, the other end of the movable rod is provided with a ball groove, a ball is arranged in the ball groove, and the ball is connected with the inner wall of the through groove in a fitting manner.

Preferably, the equal fixedly connected with forked tail slider in both sides of movable rod, all seted up the forked tail spout on the both sides inner wall that leads to the groove, the forked tail slider is located the forked tail spout.

Preferably, the lower surface edge of the movable chimney is fixedly connected with a protective net, the upper surface edges of the fixed chimney and the movable chimney are both provided with grooves, and the bottom of the protective net is positioned in the grooves.

Preferably, the bottom fixedly connected with connecting block of protection network, the both ends of connecting block all are located the dead slot, the dead slot is seted up on the lateral wall of recess, adhesive connection has the damping layer on the inner wall of dead slot, the both ends of connecting block all are connected with the damping layer laminating.

Preferably, the movable rod is provided with a plurality ofly, and the quantity of a plurality of movable rods equals with the quantity of activity chimney, and is a plurality of the movable rod is equidistant horizontal distribution.

The utility model has the advantages that:

(1) the utility model discloses a be provided with a plurality of movable chimney, be provided with the flexible connecting cylinder between two adjacent movable chimney, make the flue when flexible, the leakproofness of flue has been guaranteed, be provided with guide bar and adapter sleeve on the base, guide effect is provided for the movable chimney, make the movable chimney can vertical removal when flexible, be provided with the movable rod on the base, be provided with the regulating block on fixed chimney, handle and carousel on the regulating block can drive the movable rod through connecting axle and gear and remove, make the flue can stretch out and draw back.

(2) The utility model discloses a be provided with the ball on the movable rod, the setting of ball can reduce the movable rod and lead to the frictional force of inslot wall, is provided with the protection network on the activity chimney, and the protection network has played the effect of protection telescopic connection section of thick bamboo, avoids telescopic connection section of thick bamboo to be destroyed by the foreign matter of air flight, has guaranteed the leakproofness of flue.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the adjusting block structure of the present invention.

Fig. 3 is a schematic sectional view of the groove structure of the present invention.

In the figure, 1-base, 10-slot, 102-compression spring, 2-fixed chimney, 3-movable chimney, 4-telescopic connecting cylinder, 5-guide rod, 6-connecting sleeve, 7-adjusting block, 8-movable rod, 81-gear toothed belt, 82-ball groove, 83-ball, 84-dovetail slide block, 9-through groove, 91-dovetail sliding groove, 10-gear, 11-connecting shaft, 12-rotary table, 13-handle, 14-thread knob, 15-protective net, 16-groove, 17-connecting block, 18-empty groove and 19-damping layer.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description. Any feature disclosed in this specification (including any accompanying claims-abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Before describing the embodiments, some necessary terms need to be explained. For example:

if the use of the terms first, second, etc. appear in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a "first" element discussed below could also be termed a "second" element without departing from the teachings of the present invention. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present.

The various terms appearing in this application are used for the purpose of describing particular embodiments only and are not intended as limitations on the invention, except where the context clearly dictates otherwise, the singular is intended to include the plural as well.

When the terms "comprises" and/or "comprising" are used in this specification, these terms specify the presence of stated features-integers-steps-operations-elements and/or components, but do not preclude the presence and/or addition of one or more other features-integers-steps-operations-elements-components and/or groups thereof.

The utility model provides an adjustable telescopic flue as shown in figures 1-3, which is shown in figure 1 and comprises a base 1, a fixed chimney 2 is fixedly connected with the middle part of the upper surface of the base 1, a plurality of movable chimneys 3 are arranged above the fixed chimney 2, the movable chimneys 3 and two adjacent movable chimneys 3 are connected through a telescopic connecting cylinder 4, the telescopic connecting cylinder 4 ensures the sealing performance of the flue when the flue is telescopic, a guide rod 5 is fixedly connected with one side of the upper surface of the base 1, the fixed chimney 2 and the movable chimneys 3 are both connected with the guide rod 5 through a connecting sleeve 6, the connecting sleeve 6 is sleeved outside the guide rod 5, the guide rod 5 and the connecting sleeve 6 are arranged to provide a guide effect for the movable chimneys 3, so that the movable chimneys 3 can vertically move when telescopic, a regulating block 7 is fixedly connected with the outer side of the middle part of the fixed chimney 2, be provided with movable rod 8 on regulating block 7, slot 101 has been seted up to base 1's upper surface, movable rod 8's bottom is located slot 101, and compression spring 102 is passed through to movable rod 8's bottom and slot 101 interior diapire is connected, compression spring 102 provides certain holding power for movable rod 8, the power that the staff rotated handle 13 has been reduced is said, the flexible efficiency of flue has been improved, movable rod 8 is provided with a plurality ofly, a plurality of movable rod 8's quantity equals with the quantity of activity chimney 3, a plurality of movable rod 8 are equidistant horizontal distribution, and a plurality of movable rod 8's length is different, a plurality of movable rod 8 set gradually according to from left to right by short to long, the movable rod 8 of different lengths and the 3 fixed connection of activity chimney of corresponding height.

As shown in fig. 2, a through groove 9 is formed inside the adjusting block 7, the movable rod 8 is located on one side of an inner cavity of the through groove 9, a toothed belt 81 is arranged at one end of the movable rod 8, a ball groove 82 is formed at the other end of the movable rod 8, a ball 83 is arranged in the ball groove 82, the ball 83 is connected with the inner wall of the through groove 9 in a fitting manner, the ball 83 is arranged to reduce the friction force between the movable rod 8 and the inner wall of the through groove 9, dovetail sliders 84 are fixedly connected to both sides of the movable rod 8, dovetail chutes 91 are formed in both inner walls of the through groove 9, the dovetail sliders 84 are located in the dovetail chutes 91, the dovetail sliders 84 and the dovetail chutes 91 are arranged to provide a certain guiding and limiting effect for the movable rod 8, a gear 10 is arranged on the other side of the inner cavity of the through groove 9, the gear 10 is engaged with the toothed belt 81, a connecting shaft 11 is connected to, the other end of connecting axle 11 runs through the lateral wall that leads to groove 9 and with one side middle part fixed connection of carousel 12, carousel 12 is located the outside of regulating block 7, the opposite side one end fixedly connected with handle 13 of carousel 12, there is screw thread knob 14 the opposite side other end of carousel 12 through threaded connection, set up a plurality of thread grooves that are the annular array and distribute on the lateral wall of regulating block 7, screw thread knob 14 can be spacing with carousel 12 with the thread groove cooperation, and then will move about 3 spacing fixed of chimney.

As shown in fig. 3, a protective net 15 is fixedly connected to the lower surface edge of the movable chimney 3, the protective net 15 plays a role of protecting the telescopic connecting cylinder 4, the telescopic connecting cylinder 4 is prevented from being damaged by foreign matters flying in the air, the tightness of a flue is ensured, the upper surface edges of the fixed chimney 2 and the movable chimney 3 are both provided with a groove 16, the bottom of the protective net 15 is positioned in the groove 16, the bottom end of the protective net 15 is fixedly connected with a connecting block 17, the groove 16 and the connecting block 17 are arranged, so that the protective net 15 does not affect the telescopic movement of the movable chimney 3, both ends of the connecting block 17 are positioned in empty grooves 18, the empty grooves 18 are arranged on the side walls of the groove 16, a damping layer 19 is adhesively connected to the inner wall of the empty grooves 18, both ends of the connecting block 17 are both attached to the damping layer 19, the arrangement of the damping layer 19 enables the protective net 15 to provide damping, the telescopic connection cylinder 4 is prevented from being damaged by foreign matters through the protection net 15.

The utility model discloses a theory of operation:

when the flue needs to be extended, firstly, the handle 13 is held and rotated, the handle 13 drives the rotary table 12 to rotate, the rotary table 12 drives the gear 10 to rotate through the connecting shaft 11, the gear 10 drives the movable rod 8 to move upwards through the gear belt 81, the movable rod 8 drives the movable flue tube 3 to move upwards, the length of the flue is increased, in the process, the compression spring 102 in the slot 101 plays a certain supporting role, the strength of workers is reduced, the extending efficiency is improved, when the length of the flue is enough, the thread knob 14 is screwed at the moment until the thread knob 14 is screwed into the thread groove on the adjusting block 7, the rotary table 12 is limited, and at the moment, the movable flue tube 3 is limited.

In other technical features in this embodiment, those skilled in the art can flexibly select the technical features according to actual situations to meet different specific actual requirements. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known components, structures or parts are not described in detail in order to avoid obscuring the present invention, and the technical scope of the present invention is defined by the claims.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed" - "mounted" - "connected" are used in a broad sense and should be understood broadly by those skilled in the art. For example, the components may be fixedly connected, movably connected, integrally connected, or partially connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected inside two elements, and the like, and for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations, that is, the expression of the language and the implementation of the actual technology can flexibly correspond, and the expression of the language (including the drawings) of the specification of the present invention does not constitute any single restrictive interpretation of the claims.

Modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, which should be limited only by the claims appended hereto. In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known techniques, such as specific construction details, operating conditions, and other technical conditions, have not been described in detail in order to avoid obscuring the present invention.

Claims

1. The utility model provides an adjustable liter flue that contracts, includes base (1), the fixed chimney (2) of upper surface middle part fixedly connected with of base (1), the top of fixed chimney (2) is provided with a plurality of movable stovepipes (3), its characterized in that: the fixed chimney (2) is connected with the movable chimney (3) and two adjacent movable chimneys (3) through telescopic connecting cylinders (4), one side of the upper surface of the base (1) is fixedly connected with a guide rod (5), the fixed chimney (2) and the movable chimney (3) are connected with the guide rod (5) through connecting sleeves (6), the connecting sleeves (6) are sleeved on the outer sides of the guide rods (5), the outer side of the middle part of the fixed chimney (2) is fixedly connected with an adjusting block (7), and the adjusting block (7) is provided with a movable rod (8);

a through groove (9) is arranged inside the adjusting block (7), the movable rod (8) is positioned at one side of the inner cavity of the through groove (9), one end of the movable rod (8) is provided with a gear belt (81), the other side of the inner cavity of the through groove (9) is provided with a gear (10), the gear (10) is meshed with the gear tooth belt (81), the middle part of the gear (10) is connected with a connecting shaft (11) in a penetrating way, one end of the connecting shaft (11) is connected with the inner wall of the through groove (9) through a bearing, the other end of the connecting shaft (11) penetrates through the side wall of the through groove (9) and is fixedly connected with the middle part of one side of the turntable (12), the rotary table (12) is positioned at the outer side of the adjusting block (7), one end of the other side of the rotary table (12) is fixedly connected with a handle (13), the other end of the other side of the rotating disc (12) is connected with a threaded knob (14) through threads.

2. An adjustable telescopic flue according to claim 1, wherein: slot (101) have been seted up to the upper surface of base (1), the bottom of movable rod (8) is located slot (101), and the bottom of movable rod (8) is passed through compression spring (102) and is connected with the interior diapire of slot (101).

3. An adjustable telescopic flue according to claim 1, wherein: the ball groove (82) has been seted up to the other end of movable rod (8), be provided with ball (83) in ball groove (82), ball (83) are connected with the inner wall laminating of logical groove (9).

4. An adjustable telescopic flue according to claim 1, wherein: the both sides of movable rod (8) are all fixedly connected with forked tail slider (84), forked tail spout (91) have all been seted up on the both sides inner wall that leads to groove (9), forked tail slider (84) are located forked tail spout (91).

5. An adjustable telescopic flue according to claim 1, wherein: the lower surface edge of the movable chimney (3) is fixedly connected with a protective screen (15), the upper surface edges of the fixed chimney (2) and the movable chimney (3) are respectively provided with a groove (16), and the bottom of the protective screen (15) is positioned in the groove (16).

6. An adjustable telescopic flue according to claim 5, wherein: the bottom fixedly connected with connecting block (17) of protection network (15), the both ends of connecting block (17) all are located dead slot (18), on dead slot (18) seted up the lateral wall of recess (16), adhesive connection has damping layer (19) on the inner wall of dead slot (18), the both ends of connecting block (17) all are connected with damping layer (19) laminating.

7. An adjustable telescopic flue according to claim 1, wherein: the movable rod (8) is provided with a plurality of, and the quantity of a plurality of movable rods (8) equals with the quantity of activity chimney (3), and is a plurality of movable rod (8) are equidistant horizontal distribution.