CN204728250U - A kind of single tube blower - Google Patents

A kind of single tube blower Download PDF

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Publication number
CN204728250U
CN204728250U CN201520409665.8U CN201520409665U CN204728250U CN 204728250 U CN204728250 U CN 204728250U CN 201520409665 U CN201520409665 U CN 201520409665U CN 204728250 U CN204728250 U CN 204728250U
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outlet
air
inlet
pressure
spool
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CN201520409665.8U
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Chinese (zh)
Inventor
戴光前
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Shangyu Shaoxing crown Electric Appliance Co., Ltd.
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SHANGYU GUANYE ELECTRICAL APPLIANCE Co Ltd
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Abstract

The utility model relates to blower.A kind of single tube blower, comprise pattern switching mechanism, pressure-vaccum pipe and host shell, host shell is provided with airflow inlet and air stream outlet, pattern switching mechanism comprises the shell that same host shell links together, the runner being communicated with airflow inlet and air stream outlet is provided with in shell, runner is provided with air intake, inlet and outlet and air outlet, air intake is provided with air intake switching mechanism, air outlet is provided with air outlet switching mechanism, inlet and outlet is provided with and can controls inlet and outlet at synchronization only with the flow direction control mechanism that airflow inlet is communicated with the one in both air stream outlets, pressure-vaccum pipe butts up against inlet and outlet.The utility model provides a kind of single tube blower without the need to mobile pressure-vaccum pipe when carrying out pressure-vaccum patten transformation, solves existing single tube blower and blows suction pipe position and carry out implementation pattern switching by changing and can produce the problem that air leakage phenomena and pressure-vaccum effect decline.

Description

A kind of single tube blower
Technical field
The utility model relates to blower, particularly relates to a kind of single tube blower.
Background technology
Existing garden class blower, installation is blown, the differentiation that arranges of aspiration channel has two kinds usually.A kind of is the blower in the different road of pressure-vaccum, the blower of the type is connected to the blower of host shell, aspiration channel is respectively equipped with independently gas channel, arrange transformational structure to close out dust or inflatable mouth in housing, thus realize the conversion between blow mode and air-breathing mode; Another kind is a kind of single tube blower, and the blower of the type only arranges single gas channel, namely blow, inhale two kinds of mode of operations under what utilize is same gas channel (i.e. same pipe).If U.S. Patent Bulletin number is namely disclose a kind of single tube blower in the patent document of US6735813, this blower is on housing, arrange two air intakes with airflow inlet connection and two air outlets be connected with air stream outlet, and pressure-vaccum pipe is rotationally connected with housing.When the same air intake of pressure-vaccum pipe is docking together, another air intake is closed, one air outlet is closed, another air outlet is communicated with dust bag, is then now air-breathing mode; When the same air outlet of pressure-vaccum pipe is docking together, another air outlet be communicated with dust bag is closed, close for the air intake of same pressure-vaccum pipe connection, another air intake is opened, and is then now blow mode.
Existing a kind of single tube blower has the following disadvantages: owing to carrying out needing to rotate pressure-vaccum pipe when pattern switches, pressure-vaccum pipe can be caused to produce air leakage phenomena with the junction of casing, cause pressure-vaccum effect to decline, because pressure-vaccum pipe is usually comparatively large, therefore carry out effort when pattern switches; In order to when preventing air-breathing mode, human organ (as hand) touches fan blade through pressure-vaccum pipe and produces security incident, must rectilinear pressure-vaccum pipe be made longer and meet security requirement, long pressure-vaccum pipe not only ratio is lacked of proper care, is affected overall appearance, and carries operation inconvenience; When blower blow mode and air-breathing mode, the distance on free end (one end away from housing) the distance ground of pressure-vaccum mouth is that requirement is different, therefore the arm that when blow mode and air-breathing mode, operator carries blower all can not be in the state (having a pattern arm to need to be in case of bending) of freely stretching, and when causing operation, effort comfortableness is poor.
Utility model content
The utility model provides a kind of single tube blower without the need to mobile pressure-vaccum pipe when carrying out pressure-vaccum patten transformation, solves existing a kind of single tube blower and blows suction pipe position and carry out implementation pattern switching by changing and can produce the problem that air leakage phenomena and pressure-vaccum effect decline.
Above technical problem is solved by following technical proposal: a kind of single tube blower, comprise pattern switching mechanism, pressure-vaccum pipe, host shell, be arranged at the motor of host shell, the fan rotated and the switch controlling motor rotation is driven by motor, described host shell is provided with airflow inlet and air stream outlet, described airflow inlet rotates for described fan the air-flow produced and enters described host shell, described air stream outlet rotates for described fan the air-flow produced and flows out described host shell, described pattern switching mechanism comprises the shell linked together with described host shell, the runner being communicated with described airflow inlet and air stream outlet is provided with in described shell, described runner is provided with air intake, inlet and outlet and air outlet, described air intake is provided with air intake switching mechanism, described air outlet is provided with air outlet switching mechanism, described inlet and outlet is provided with and can controls described inlet and outlet at synchronization only with the flow direction control mechanism that described airflow inlet is communicated with the one in both air stream outlets, described pressure-vaccum pipe butts up against described inlet and outlet.When working in blow mode, close air outlet by air outlet switching mechanism, make air intake switching mechanism not close air intake and make flow direction control mechanism cut off inlet and outlet and airflow inlet, after air intake enters, flow to pressure-vaccum pipe from inlet and outlet in the effect downstream of fan and blow out.When working in air-breathing mode, make air outlet switching mechanism not close air outlet, make air intake switching mechanism close air intake and make flow direction control mechanism cut off inlet and outlet and air stream outlet, flow out from air outlet after turnover gas air port enters in the effect downstream of fan thus realize picking up the foreign material such as leaf.
As preferably, described pattern switching mechanism also comprises the conversion seat being rotationally connected with described shell, described air intake switching mechanism comprises the first spool being connected to described conversion seat, described air outlet switching mechanism comprises the second spool being connected to described conversion seat, and described flow direction control mechanism comprises the 3rd spool being connected to described conversion seat; When the first spool is closed in described air intake, the 3rd spool makes inlet and outlet only stagger with air outlet with airflow inlet connection, the second spool between air stream outlet and inlet and outlet; When the first spool staggers with described air intake, the 3rd spool makes inlet and outlet only be closed in described air outlet with air stream outlet connection, the second spool between airflow inlet and inlet and outlet.Can synchronous adjustment air outlet switching mechanism, air intake switching mechanism envelope and flow direction control mechanism, convenience during adjustment and synchronism good, due to be synchronous adjustment, carry out pattern switch time speed fast.
As preferably, described pattern switching mechanism also comprises the motor driving described conversion seat to rotate.Laborsaving during adjustment, be convenient to realize automation especially remote pilot.
As preferably, one end that described air intake, inlet and outlet connect with air stream outlet to runner with one end that airflow inlet is connected from runner with air outlet three distributes successively.Compact in design.
As preferably, the part between described flow passage inlet and outlet and airflow inlet is elbow structure.When being in air-breathing mode, when human organ is sucked by mistake can not through runner straight line reach and touch fan, although thus make pressure-vaccum pipe also can make shorter for linear; And this technical scheme can make the outward appearance of blower especially pressure-vaccum pipe still remain rectilinear structure, convenient and conserve space when depositing.Thus overcome in prior art the deficiency needing " pressure-vaccum pipe makes longer and meets security requirement, and the not only ratio imbalance of long pressure-vaccum pipe, affects overall appearance, and is carried on operation inconvenience ".
As preferably, described pressure-vaccum pipe is provided with volume adjusting apparatus away from one end of described inlet and outlet.Pressure-vaccum pipe can be made to be used as the aspiration channel used time there is larger aperture area, be convenient to foreign material to absorb heat swimmingly, be used as gas blow pipe used time aperture area can less, make the flow velocity of the air-flow blown out and dynamics all larger.
As preferably, described volume adjusting apparatus be articulated with the door-plate in pressure-vaccum pipe.Structure is simple, convenience for device maintenance.
As preferably, described host shell is provided with operating grip, described operating grip is provided with blowing state holding section and air draught state holding section, the straight line at blowing state holding section place with pressure-vaccum pipe lengthwise axial line between the angle straight line that is less than air draught state holding section place with pressure-vaccum pipe lengthwise axial line between angle.Operation can both be carried out in a comfortable way under blow mode and air-breathing mode.Overcome the technical problem of " arm that when blow mode and air-breathing mode, operator carries blower all can not be in the state (having a pattern arm to need to be in case of bending) of freely stretching, cause operation comfortableness of requiring great effort poor " of the prior art.
As preferably, the straight line at blowing state holding section place with air draught state holding section place straight line between angle be more than 30 °.
As preferably, described pattern switching mechanism is positioned at the front of the opening direction of airflow inlet.The length of runner can be shortened, to reduce stream group when air-flow flows in runner.
The utility model has following advantage: achieve air blowing and share runner with air-breathing, can not produce the phenomenon of the pressure-vaccum effect decline that pressure-vaccum pipe causes with the junction gas leakage of casing when pattern switches.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment one when being in air-breathing mode;
Fig. 2 is the schematic diagram of the utility model embodiment one when being in blow mode;
Fig. 3 is the schematic diagram of the utility model embodiment two;
Fig. 4 is the schematic diagram of the utility model embodiment three;
Fig. 5 is the schematic diagram of the utility model embodiment four.
In figure: host shell 1, airflow inlet 11, air stream outlet 12, dust bag 13, pressure-vaccum pipe 2, pressure-vaccum pipe is away from one end 21 of inlet and outlet, volume adjusting apparatus 22, hinge 221, door-plate 222, motor 3, fan 4, control the switch 5 that motor rotates, power line 6, pattern switching mechanism 7, shell 71, conversion seat 72, runner 73, air intake 731, inlet and outlet 732, air outlet 733, one end 734 that runner connects with airflow inlet, one end 735 that runner connects with air stream outlet, part 736 between flow passage inlet and outlet and airflow inlet, part 737 between flow passage air outlet and air stream outlet, part 738 between flow passage air intake and airflow inlet, part 739 between flow passage inlet and outlet and air outlet, air intake switching mechanism 74, first spool 741, first junction plate 742, air outlet switching mechanism 75, second spool 751, second junction plate 752, flow direction control mechanism 76, 3rd spool 761, 3rd junction plate 762, operating grip 8, blowing state holding section 81, air draught state holding section 82, ground 9, the opening direction A of airflow inlet, the straight line at blowing state holding section place with pressure-vaccum pipe lengthwise axial line between included angle A 1, the straight line at air draught state holding section place with pressure-vaccum pipe lengthwise axial line between included angle A 2, the straight line at blowing state holding section place with air draught state holding section place straight line between included angle A 3, the straight line L1 at blowing state holding section place, the lengthwise axial line L2 of pressure-vaccum pipe, the straight line L3 at air draught state holding section place.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment one, see Fig. 1, a kind of single tube blower, comprises host shell 1, pattern switching mechanism 7 and pressure-vaccum pipe 2.Host shell 1 is provided with motor 3, drives the fan 4 rotated, the switch 5 controlling motor rotation and power line 6 by motor.Host shell 1 is provided with airflow inlet 11 and air stream outlet 12.Host shell 1 is provided with operating grip 8.The switch 5 controlling motor rotation is connected on operating grip 8.Operating grip 8 is provided with blowing state holding section 81 and air draught state holding section 82.Pattern switching mechanism 7 is positioned at the front of the opening direction A of airflow inlet.Pattern switching mechanism 7 comprises shell 71 and conversion seat 72.Shell 71 links together with host shell 1.The runner 73 being communicated with airflow inlet 11 and air stream outlet 12 is provided with in shell 71.Conversion seat 72 is rotationally connected with shell 71.Runner 73 is provided with air intake 731, inlet and outlet 732 and air outlet 733.One end 735 that air intake 731, inlet and outlet 732 connect with air stream outlet to runner with one end 734 that airflow inlet is connected from runner with air outlet 733 three distributes successively.Part 736 between flow passage inlet and outlet and airflow inlet is elbow structure.Air intake 731 is provided with air intake switching mechanism 74.Air intake switching mechanism 74 comprises the first spool 741 and the first junction plate 742.First spool 741 is linked together with conversion seat 72 by the first junction plate 742.Air outlet 733 is provided with air outlet switching mechanism 75.Air outlet switching mechanism 75 comprises the second spool 751 and the second junction plate 752.Second spool 751 is linked together with conversion seat 72 by the second junction plate 752.Inlet and outlet 732 is provided with flow direction control mechanism 76.Flow direction control mechanism 76 comprises the 3rd spool 761 and the 3rd junction plate 762.3rd spool 761 is linked together with conversion seat 72 by the 3rd junction plate 762.Pressure-vaccum pipe 2 butts up against inlet and outlet 732, to be more specifically structure as a whole link together, i.e. integrated injection molding.Pressure-vaccum pipe is provided with volume adjusting apparatus 22 away from one end 21 of inlet and outlet.Volume adjusting apparatus 22 comprises hinge 221 and door-plate 222.Door-plate 222 is articulated with in pressure-vaccum pipe 2 by hinge 221.The straight line L1 at blowing state holding section place with pressure-vaccum pipe lengthwise axial line L2 between the included angle A 1 straight line L3 that is less than air draught state holding section place with pressure-vaccum pipe lengthwise axial line L2 between included angle A 2.The straight line L1 at blowing state holding section place with air draught state holding section place straight line L3 between included angle A 3 be more than 30 °, the straight line at air draught state holding section place with pressure-vaccum pipe lengthwise axial line between included angle A 2 straight line that also namely deducts blowing state holding section place with pressure-vaccum pipe lengthwise axial line between the difference of included angle A 1 be not less than 30 °.
As described in Figure, air intake switching mechanism 74, air outlet switching mechanism 75 and flow direction control mechanism 76 synchronous axial system is driven to carry out action by rotating conversion seat 72.Stop operating when turning to the first spool 741 and being closed in air intake 731, now the 3rd spool 761 makes inlet and outlet 732 only be communicated with airflow inlet 11 between air stream outlet 12 and inlet and outlet 732, the second spool 751 staggers with air outlet 733, and this state is air-breathing mode.Door-plate 222 is made to be in the state of opening completely with hinge 221 for axle turns to pressure-vaccum pipe during air-breathing mode, holding of user is held on air draught state holding section 82, then rotated by switch 5 deactivation motor 3, motor 3 drive fan 4 is rotated, and the air-flow that fan 4 produces makes leaf etc. enter in dust bag 13 through pressure-vaccum pipe 2, part 736 between flow passage inlet and outlet and airflow inlet, airflow inlet 11, air stream outlet 12, part 737 between flow passage air outlet and air stream outlet and air outlet 733.During air-breathing mode, pressure-vaccum pipe is nearer apart from ground 9 away from one end 21 of inlet and outlet.
See Fig. 2, when blow mode will be transformed into, rotates conversion seat 72 and drive air intake switching mechanism 74, air outlet switching mechanism 75 and flow direction control mechanism 76 synchronous axial system.Stop operating when turning to the second spool 751 and being closed in air outlet 733, now the 3rd spool 761 makes inlet and outlet 732 only be communicated with air stream outlet 12 between airflow inlet 11 and inlet and outlet 732, the first spool 741 staggers with air intake 731.The openings of sizes making door-plate 222 turn to pressure-vaccum pipe 2 with hinge 221 for axle during air-breathing mode meets use needs, holding of user is held on blowing state holding section 81, then rotated by switch 5 deactivation motor 3, motor 3 drive fan 4 is rotated, the air-flow that fan 4 produces is through air intake 731, part 738 between flow passage air intake and airflow inlet, airflow inlet 11, air stream outlet 12, part 737 between flow passage air outlet and air stream outlet, blow out from pressure-vaccum pipe 2 after part 739 between flow passage inlet and outlet and air outlet and inlet and outlet 732.During blow mode, pressure-vaccum pipe is far away apart from ground 9 away from one end 21 of inlet and outlet.
Embodiment two, the difference with embodiment one is:
See Fig. 3, mode changeover mechanism 7 is positioned at the rear of the opening direction A of airflow inlet.
Embodiment three, the difference with embodiment one is:
See Fig. 4, air intake switching mechanism 74 and air outlet switching mechanism 75 are all manual plate valve.Drive during rotation seat 72 and be merely able to drive flow direction control mechanism 76.Air intake switching mechanism 74 and air outlet switching mechanism 75 need manually to carry out folding independently.
Embodiment four, the difference with embodiment three is:
See Fig. 5, flow direction control mechanism 76 has the first valve 763 and the second valve 764 to form.First valve 763 is arranged between inlet and outlet 732 and air outlet 733, and the second valve 764 is arranged between inlet and outlet 732 and air intake 731.When needing to work in air-breathing mode, open the second valve 764 and inlet and outlet 732 and airflow inlet 11 are communicated with, open the plate valve forming air outlet switching mechanism 75 and air outlet 733 is opened, closes the first valve 763 and make inlet and outlet 732 with the plate valve all disconnecting, closes formation air intake switching mechanism 74 between air stream outlet 12 and air outlet 733, air intake 731 be closed.When needing to work in blow mode, close the second valve 764 and make inlet and outlet 732 air outlet 733 be closed with all disconnecting, closing the plate valve forming air outlet switching mechanism 75 between airflow inlet 11 and air intake 731, open the first valve 763 and inlet and outlet 732 is communicated with air stream outlet 12, opens the plate valve of formation air intake switching mechanism 74 air intake 731 is opened.
Embodiment five, the difference with embodiment three is:
The relation of pattern switching mechanism and airflow inlet opening direction adopts the mode of embodiment two.
Embodiment six, the difference with embodiment four is:
The relation of pattern switching mechanism and airflow inlet opening direction adopts the mode of embodiment two.
Embodiment seven, the difference with embodiment one is:
Pattern switching mechanism also comprises the motor driving conversion seat to rotate.
Embodiment eight, the difference with embodiment two is:
Pattern switching mechanism also comprises the motor driving conversion seat to rotate.

Claims (8)

1. a single tube blower, comprise pressure-vaccum pipe, host shell, be arranged at the motor of host shell, the fan rotated and the switch controlling motor rotation is driven by motor, described host shell is provided with airflow inlet and air stream outlet, it is characterized in that, also comprise pattern switching mechanism, described pattern switching mechanism comprises the shell linked together with described host shell, the runner being communicated with described airflow inlet and air stream outlet is provided with in described shell, described runner is provided with air intake, inlet and outlet and air outlet, described air intake is provided with air intake switching mechanism, described air outlet is provided with air outlet switching mechanism, described inlet and outlet is provided with and can controls described inlet and outlet at synchronization only with the flow direction control mechanism that described airflow inlet is communicated with the one in both air stream outlets, described pressure-vaccum pipe butts up against described inlet and outlet.
2. a kind of single tube blower according to claim 1, it is characterized in that, described pattern switching mechanism also comprises the conversion seat being rotationally connected with described shell, described air intake switching mechanism comprises the first spool being connected to described conversion seat, described air outlet switching mechanism comprises the second spool being connected to described conversion seat, and described flow direction control mechanism comprises the 3rd spool being connected to described conversion seat; When the first spool is closed in described air intake, the 3rd spool makes inlet and outlet only stagger with air outlet with airflow inlet connection, the second spool between air stream outlet and inlet and outlet; When the first spool staggers with described air intake, the 3rd spool makes inlet and outlet only be closed in described air outlet with air stream outlet connection, the second spool between airflow inlet and inlet and outlet.
3. a kind of single tube blower according to claim 2, is characterized in that, described pattern switching mechanism also comprises the motor driving described conversion seat to rotate.
4. a kind of single tube blower according to claim 1 or 2 or 3, is characterized in that, one end that described air intake, inlet and outlet connect with air stream outlet to runner with one end that airflow inlet is connected from runner with air outlet three distributes successively.
5. a kind of single tube blower according to claim 1 or 2 or 3, is characterized in that, the part between described flow passage inlet and outlet and airflow inlet is elbow structure.
6. a kind of single tube blower according to claim 1 or 2 or 3, it is characterized in that, described host shell is provided with operating grip, described operating grip is provided with blowing state holding section and air draught state holding section, the straight line at blowing state holding section place with pressure-vaccum pipe lengthwise axial line between the angle straight line that is less than air draught state holding section place with pressure-vaccum pipe lengthwise axial line between angle.
7. a kind of single tube blower according to claim 6, is characterized in that, blowing state holding section place straight line with air draught state holding section place straight line between angle be more than 30 °.
8. a kind of single tube blower according to claim 1 or 2 or 3, it is characterized in that, described pattern switching mechanism is positioned at the front of the opening direction of airflow inlet.
CN201520409665.8U 2015-06-15 2015-06-15 A kind of single tube blower Active CN204728250U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040615A (en) * 2015-06-15 2015-11-11 上虞市冠业电器有限公司 Blowing-absorbing machine with shared blowing-absorbing channel
WO2019114763A1 (en) * 2017-12-12 2019-06-20 苏州宝时得电动工具有限公司 Blower/vacuum
CN110052708A (en) * 2019-05-21 2019-07-26 佛山市宏石激光技术有限公司 A method of the laser pipe cutter with anti-slag dust-extraction unit and its anti-slag dedusting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105040615A (en) * 2015-06-15 2015-11-11 上虞市冠业电器有限公司 Blowing-absorbing machine with shared blowing-absorbing channel
WO2019114763A1 (en) * 2017-12-12 2019-06-20 苏州宝时得电动工具有限公司 Blower/vacuum
CN110052708A (en) * 2019-05-21 2019-07-26 佛山市宏石激光技术有限公司 A method of the laser pipe cutter with anti-slag dust-extraction unit and its anti-slag dedusting
CN110052708B (en) * 2019-05-21 2020-06-09 佛山市宏石激光技术有限公司 Laser pipe cutting machine with slag-proof and dust-removing device and slag-proof and dust-removing method thereof

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C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Zhao Xiangqiao small village town of Shangyu District of Zhejiang province is 312367 in Shaoxing City

Patentee after: Shangyu Shaoxing crown Electric Appliance Co., Ltd.

Address before: Zhao Xiangqiao small village town of Shangyu city of Zhejiang province is 312367 in Shaoxing City

Patentee before: SHANGYU GUANYE ELECTRICAL APPLIANCE CO., LTD.