CN101073482A - Telescopic pipet for dust collector - Google Patents
Telescopic pipet for dust collector Download PDFInfo
- Publication number
- CN101073482A CN101073482A CN 200710024708 CN200710024708A CN101073482A CN 101073482 A CN101073482 A CN 101073482A CN 200710024708 CN200710024708 CN 200710024708 CN 200710024708 A CN200710024708 A CN 200710024708A CN 101073482 A CN101073482 A CN 101073482A
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- lock
- slide block
- dead bolt
- locking mechanism
- dust collector
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Abstract
The invention is concerned with a flex straw of cleaner, relating to outer pipe, inner pipe and lock framework. The lock framework relates to lock grooves on the outer wall of inner pipe and arranging along the axis direction, sliding groove on axis direction on the lock framework and at the top of lock groove, sliding block in the middle of sliding groove, button connecting on the sliding block. The button is made of bend level to change the radial press into push power on axis direction. There is a lock tongue between sliding block and lock groove, and the sliding block moves in the groove to lock or unlock of the lock framework. When the lock framework is in lock state, sliding block forces the lock tongue to enter the lock groove, and when the lock framework is in unlocking state, the lock tongue is out of the lock groove. This invention has easy structure and low cost for operation and credible lock with excellent product capability and satisfying cost.
Description
Technical field
The present invention relates to the telescopic pipet on a kind of dust catcher.
Background technology
In the prior art, telescopic pipet on the dust catcher comprises outer tube, be inserted in interior pipe in the outer tube, be fixed on the pipe bushing (or joint sleeve) on outer tube one end, the outer wall upper edge of interior pipe is axially arranged with detent and direction recess, pipe bushing (or joint sleeve) is provided with a sliding chamber, be provided with slide block in the sliding chamber, be provided with the spring of axial force between slide block and the sliding chamber, bottom, sliding chamber is provided with locating hole, be provided with positioning roller (or locating piece) in the locating hole, connect a push button on the slide block, promote push button and can finish unlocking operation.Above technology, owing to adopt push button as the unlocking operation parts, therefore have following defective: the operation application of force is unreasonable when 1, using.Reason is push button application of force direction and stretching or shortens suction pipe operation application of force direction and be axially, the application of force when the application of force direction of push button must increase when the operation application of force direction of pipe is identical with stretching or in shortening be operated.2, there is limitation in operand.Reason is can only refer to operate with big mother usually with the push button release, and can not operate with other positions of palm, does not therefore have selectivity and flexibility on operand.
In order to overcome the deficiencies in the prior art, it is 200510038318.X that Chinese patent bulletin on April 4th, 2007 has been authorized a kind of patent No., and name is called the patent of invention of " telescopic sucking pipe of dust cleaner ".But this patent has solved the irrationality and the limitation of push button operation by adopting bushing type beidirectional unlocking operation button, and it is light reasonable to operate during use, but the deficiency that exists is a complex structure, and the production cost height is unfavorable for applying.Therefore, design a kind of should operate light, locking is reliable, telescopic pipet for dust collector simple in structure again, that production cost is low is the problem that the present invention solves.
Summary of the invention
The objective of the invention is to provide a kind of should operate light, locking is reliable, telescopic pipet for dust collector simple in structure again, that production cost is low, thus solve the contradiction that the properties of product that exist in the prior art and cost can't be taken into account.
For achieving the above object, the technical solution used in the present invention is: a kind of telescopic pipet for dust collector, comprise outer tube, interior pipe, locking mechanism, interior pipe is inserted in the outer tube and is in axial sliding connection by being fixed on the relative outer tube formation of guide frame set on the locking mechanism on outer tube one end, and described locking mechanism comprises:
In being located at, latch recess, this latch recess arrange on the outer wall of pipe and vertically;
One chute that axially is provided with, this chute are located on the locking mechanism and are positioned at the latch recess top;
One slide block, this slide block is located in the chute, and is in axial sliding connection with chute formation;
One knuckle button, constitute by the curved bar lever construction, the rotating fulcrum of this curved bar lever is located between power point and the resistance point, the line of rotating fulcrum and power point, resistance point constitutes triangle, rotating fulcrum is bearing on the locking mechanism, power point is as the press section of unlocking operation, and resistance point acts on the slide block as the pushing part and has axial force;
Dead bolt, this dead bolt is located between slide block and the latch recess, slide block makes locking mechanism have two kinds of duties of the locking and unlocking at the chute axis to slidably reciprocating, when locking mechanism is in the lock state, slide block forces dead bolt to enter latch recess, when locking mechanism is in released state, the dead bolt groove that goes out of lock.
The technique scheme related content is explained as follows:
1, in the such scheme,, reduces producing cost, reduced these parts of pipe bushing in the prior art (or joint sleeve), guide frame is combined in the guide effect that substitutes pipe bushing (or joint sleeve) on the locking mechanism for abundant simplified structure.
2, in the such scheme, " axially " and " radially " be meant described telescopic pipet axially and radially.
3, in the such scheme, described slide block or knuckle button are provided with and can make slide block have the flexible member of the active force that endwisely slips.
4, in the such scheme, described " knuckle button " theory is a curved bar lever construction, utilize lever principle to make to act on pressure on the press section (power point) to be converted into axial thrust on the pushing part (resistance point), promote slide block and in chute, axially slide and finish unlocking operation.
5, in the such scheme, the corresponding dead bolt of described slide block has a Free up Memory radially, and when described locking mechanism was in released state, Free up Memory was over against dead bolt, and the dead bolt groove that radially goes out of lock enters Free up Memory.
6, in the such scheme, can only do radial motion in order to make dead bolt, and can not do axially-movable, straight-through latch recess is provided with locating hole in the chute bottom, and dead bolt is arranged in this locating hole and radially slides.
7, in the such scheme, overcome the structure that slide block radially outwards breaks away from order to overcome radially outwards disengaging of slide block, on chute or knuckle button, to be provided with.
8, in the such scheme,, and force dead bolt to embed latch recess, the contact-making surface of the corresponding slide block of dead bolt is designed to cambered surface or inclined-plane for the Free up Memory that makes slide block can slip over dead bolt smoothly.
9, in the such scheme,, on dead bolt, be provided with radially the outwards flexible member of activation force for the driving force that enters Free up Memory is provided to dead bolt.
10, in the such scheme, in order to improve the reliability of locking, be designed to trapezoidal the cross section of latch recess or " U " shape, dead bolt is designed to trapezoidal or " U " shape over against the contact-making surface of latch recess also correspondence, can increase dead bolt and the contacted friction of latch recess when lock-out state.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
1, the present invention has reduced these parts of pipe bushing (or joint sleeve), has not only reduced the enlarging manufacturing procedure that outer tube is fixed this parts one end, has also reduced the consumptive material of product simultaneously.
2, the present invention adopts the design of knuckle button as the unlocking operation button, substituted push button of the prior art, changed the force direction of unlocking operation, the thrust of axial action is changed into the pressure of radial effect, overcome the limitation of operating position, any position application of force with palm can be finished unlocking operation, thereby the convenience and the portability of unlocking operation have been improved, also more meet the body mechanics to the rational requirement of hand-held, compare the patent of invention that the patent No. is 200510038318.X, not only in operation, have identical simplicity and reasonability, and fully simplify the structure, reduced production cost.
3, the present invention is owing to designed the radially flexible member of outside activation force on dead bolt, thereby the dead bolt problem of groove that can not smooth and easyly go out of lock when having solved release has overcome in the prior art the easily deficiency of tube-surface in the scratch of when stretching or shorten suction pipe operation dead bolt.And do not see this design in the prior art.On this basis, again that dead bolt is corresponding with latch recess contact-making surface is designed to trapezoidal or " U " shape structure increases the friction that is in contact with one another, and internally manages the reliability that locks mutually thereby improved outer tube.In the prior art, for the ease of release, positioning roller (or locating piece) often adopts arc surface design (cooperating with the arc detent such as positioning roller) with the corresponding contact-making surface of detent.Although this design helps release, the locking reliability is relatively poor, and losing lock easily slips away when in use running into axial impact force.
In a word, the present invention has further improved the simplicity of operation and the reliability of locking compared to existing technology, and simplified structure to greatest extent, has reduced manufacturing cost, has improved production efficiency, therefore, has outstanding substantive distinguishing features and significant technological progress.
Description of drawings
Accompanying drawing 1 is embodiment one exploded view;
Accompanying drawing 2 is embodiment one vertical view;
Accompanying drawing 3 is embodiment one front view;
Accompanying drawing 4 is embodiment one a lock-out state cutaway view;
Accompanying drawing 5 is embodiment one a released state cutaway view;
Accompanying drawing 6 is the A-A cutaway view of Fig. 4;
Accompanying drawing 7 is the B-B cutaway view of Fig. 5;
Accompanying drawing 8 is embodiment one a knuckle button schematic diagram;
Accompanying drawing 9 is embodiment one dead bolt and detent schematic diagram;
Accompanying drawing 10 is embodiment two exploded views;
Accompanying drawing 11 is embodiment two lock-out state cutaway views;
Accompanying drawing 12 is embodiment two released state cutaway views.
Wherein: 1, outer tube; 2, interior pipe; 3, locking mechanism; 4, guide pad; 5, direction recess; 6, latch recess; 7, chute; 8, slide block; 9, knuckle button; 10, rotating fulcrum; 11, press section; 12, pushing part; 13, jack; 14, stage clip; 15, dead bolt; 16, locating hole; 17, Free up Memory; 18, wire spring; 19, cover plate; 20, stage clip.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: referring to Fig. 1～shown in Figure 7, a kind of telescopic pipet for dust collector is made up of outer tube 1, interior pipe 2, locking mechanism 3 three parts.Locking mechanism 3 is fixed on an end of outer tube 1, see Fig. 4 and Fig. 5, the inboard of locking mechanism 3 is provided with guide pad 4, the outer wall upper edge of interior pipe 2 is axially arranged with direction recess 5, see Fig. 6 and Fig. 7, in one end of the outer tube 1 of interior pipe 2 insertion fixation locking mechanisms 3, guide pad 4 embeds to be complementary in the direction recess 5 and forms the slide-and-guide connection.The outer wall upper edge axially-aligned of interior pipe 2 is provided with a plurality of latch recess 6 that are used for flexible locking, sees Fig. 2 and Fig. 3.
As shown in Figure 4 and Figure 5, locking mechanism 3 is made of following structure:
(1), a chute 7 axially is set on locking mechanism 3, this chute 7 is positioned at latch recess 6 tops, sees shown in Figure 4.
(2), in chute 7, be provided with one and can see Fig. 4 and shown in Figure 5 along chute 7 slide block 8 in axial sliding.
(3), locking mechanism 3 is provided with a knuckle button 9, see shown in Figure 1, this knuckle button 9 is made of " " shape curved bar lever construction, see shown in Figure 8, the corner of curved bar lever is provided with rotating fulcrum 10, and horizontal plane one side of rotating fulcrum 10 is the press section 11 of radial effect, and opposite side is the pushing part 12 of axial action, rotating fulcrum 10 rotating supports are on locking mechanism 3, and pushing part 12 is inserted in the set jack 13 of slide block 8 and acts on the slide block 8.Utilize the curved bar lever principle, when pushing press section 11, a pressure radially can be converted into axial thrust and act on the slide block 8, promote slide block 8 axial slip in chute 7 and finish unlocking operation.The knuckle angle of knuckle button 9 is 90 ° in this example, also can be designed to be greater than or less than 90 °.
(4), have a stage clip 14 to be located between slide block 8 and the locking mechanism 3 and act on the compressed path that slide block 8 relative locking mechanisms 3 slide, see Fig. 1, Fig. 4 and shown in Figure 5.
(5), have a dead bolt 15 to be located on the position between slide block 8 and the latch recess 6, see Fig. 4, Fig. 5 and shown in Figure 9, the straight-through latch recess 6 in chute 7 bottoms is provided with locating hole 16, dead bolt 15 is arranged in this locating hole 16 and radially slides.Slide block 8 corresponding dead bolt 15 on the path that endwisely slips has a Free up Memory 17 radially, sees shown in Figure 4ly, and these Free up Memory 17 shapes can be arc or triangle, and dead bolt 15 corresponds to cambered surface or inclined-plane over against the contact-making surface of slide block 8.Be provided with between dead bolt 15 and the locking mechanism 3 radially to the wire spring 18 of slide block 8 direction activation force, see Fig. 6 and Fig. 7.Like this when using, pushing knuckle button 9 promotion slide blocks 8 endwisely slips, be that Free up Memory 17 on the slide block 8 is over against dead bolt 15 tops, because Free up Memory 17 is stretched on effect of inertia dead bolt 15 tops of the wire spring 18 on the dead bolt 15, the bottom groove 6 that goes out of lock, enter released state this moment, can stretch or shorten suction pipe and reach needed length.When decontroling knuckle button 9, stage clip 14 drives slide block 8 and slides, and the Free up Memory 17 of slide block 8 slips over dead bolt 15, forces dead bolt 15 bottoms to embed latch recess 6, promptly enters lock-out state this moment.
In order to improve the reliability of locking, to see shown in Figure 9ly, the cross section of latch recess 6 is trapezoidal or " U " shape, dead bolt 15 bottoms correspond to trapezoidal or " U " shape increases the friction that is in contact with one another over against the contact-making surface of latch recess 6.For beautiful decoration locking mechanism 3 is provided with cover plate 19, see Fig. 1, Fig. 6 and shown in Figure 7.
Embodiment two: referring to Figure 10～shown in Figure 12, a kind of telescopic pipet for dust collector is made up of outer tube 1, interior pipe 2, locking mechanism 3 three parts.And the difference of embodiment one is: stage clip 20 is located between the press section 11 and locking mechanism 3 of knuckle button 9, and acts on the compressed path of press section 11 relative locking mechanisms 3.Other structure repeats no more here with embodiment one.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1, a kind of telescopic pipet for dust collector, comprise outer tube [1], interior pipe [2], locking mechanism [3], interior pipe [2] is inserted in the outer tube [1] and is in axial sliding connection by the upward set relative outer tube of guide frame [1] formation of locking mechanism [3] that is fixed on outer tube [1] one end, it is characterized in that described locking mechanism [3] comprising:
Latch recess [6], this latch recess [6] are located on the outer wall of interior pipe [2] and vertically and arrange;
One chute [7] that axially is provided with, this chute [7] are located on the locking mechanism [3] and are positioned at latch recess [6] top;
One slide block [8], this slide block [8] is located in the chute [7], and is in axial sliding connection with chute [7] formation;
One knuckle button [9], constitute by the curved bar lever construction, the rotating fulcrum of this curved bar lever [10] is located between power point and the resistance point, the line of rotating fulcrum [10] and power point, resistance point constitutes triangle, rotating fulcrum [10] is bearing on the locking mechanism [3], power point is as the press section [11] of unlocking operation, and resistance point acts on the slide block [8] as pushing part [12] and has axial force;
Dead bolt [15], this dead bolt [15] is located between slide block [8] and the latch recess [6], slide block [8] makes locking mechanism [3] have two kinds of duties of the locking and unlocking at chute [7] axis to slidably reciprocating, when locking mechanism [3] when being in the lock state, slide block [8] forces dead bolt [15] to enter latch recess [6], when locking mechanism [3] when being in released state, dead bolt [15] groove [6] that goes out of lock.
2, telescopic pipet for dust collector according to claim 1 is characterized in that: described slide block [8] or knuckle button [9] are provided with and can make slide block [8] have the flexible member of the active force that endwisely slips;
3, telescopic pipet for dust collector according to claim 1, it is characterized in that: the corresponding dead bolt of described slide block [8] [15] has a Free up Memory [17] radially, described locking mechanism [3] is when being in released state, [17l is over against dead bolt [15], and dead bolt [15] groove [6] that radially goes out of lock enters Free up Memory [17] for Free up Memory.
4, telescopic pipet for dust collector according to claim 1 is characterized in that: the straight-through latch recess [6] in described chute [7] bottom is provided with locating hole [16], and dead bolt [15] is arranged in this locating hole [16] and radially slides.
5, telescopic pipet for dust collector according to claim 1 is characterized in that: have on described chute [7] or the knuckle button [9] and overcome the structure that slide block [8] radially outwards breaks away from;
6, telescopic pipet for dust collector according to claim 1 is characterized in that: the contact-making surface of the corresponding slide block of described dead bolt [15] [8] is cambered surface or inclined-plane.
7, telescopic pipet for dust collector according to claim 1 is characterized in that: the cross section of described latch recess [6] is trapezoidal or " U " shape, and dead bolt [15] corresponds to trapezoidal or " U " shape over against the contact-making surface of latch recess [6].
8, according to claim 3 or 4 described telescopic pipet for dust collector, it is characterized in that: described dead bolt [15] is provided with radially the outwards flexible member of activation force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100247080A CN100493436C (en) | 2007-06-28 | 2007-06-28 | Telescopic straw for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100247080A CN100493436C (en) | 2007-06-28 | 2007-06-28 | Telescopic straw for dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101073482A true CN101073482A (en) | 2007-11-21 |
| CN100493436C CN100493436C (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100247080A Active CN100493436C (en) | 2007-06-28 | 2007-06-28 | Telescopic straw for dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100493436C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014646A (en) * | 2015-08-11 | 2015-11-04 | 爱佩仪中测（成都）精密仪器有限公司 | Locking mechanism for three-dimensional measurement of horizontal arm of ruling machine |
| CN106618370A (en) * | 2016-11-08 | 2017-05-10 | 苏州君之宏电器科技有限公司 | Window wiper |
| CN109044200A (en) * | 2018-07-17 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of suction pipe assembly and dust catcher for dust catcher |
| CN110698084A (en) * | 2019-12-06 | 2020-01-17 | 浙江工商职业技术学院 | Safe calcium oxide preparation device |
| CN113081060A (en) * | 2021-04-02 | 2021-07-09 | 成都市第三人民医院 | Electric regulation pharynx swab collecting and isolating device |
| CN114583375A (en) * | 2020-12-01 | 2022-06-03 | 浙江动一新能源动力科技股份有限公司 | Battery pack |
-
2007
- 2007-06-28 CN CNB2007100247080A patent/CN100493436C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014646A (en) * | 2015-08-11 | 2015-11-04 | 爱佩仪中测（成都）精密仪器有限公司 | Locking mechanism for three-dimensional measurement of horizontal arm of ruling machine |
| CN106618370A (en) * | 2016-11-08 | 2017-05-10 | 苏州君之宏电器科技有限公司 | Window wiper |
| CN109044200A (en) * | 2018-07-17 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of suction pipe assembly and dust catcher for dust catcher |
| CN109044200B (en) * | 2018-07-17 | 2024-04-16 | 珠海格力电器股份有限公司 | Suction tube assembly for dust collector and dust collector |
| CN110698084A (en) * | 2019-12-06 | 2020-01-17 | 浙江工商职业技术学院 | Safe calcium oxide preparation device |
| CN114583375A (en) * | 2020-12-01 | 2022-06-03 | 浙江动一新能源动力科技股份有限公司 | Battery pack |
| CN113081060A (en) * | 2021-04-02 | 2021-07-09 | 成都市第三人民医院 | Electric regulation pharynx swab collecting and isolating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100493436C (en) | 2009-06-03 |
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Effective date of registration: 20210816 Address after: 215000 No. 158-7 Huashan Road, high tech Zone, Suzhou, Jiangsu Patentee after: SUZHOU HAOJIE CLEANING APPLIANCE Co.,Ltd. Address before: 202, room 108, Konka garden, Suzhou hi tech Zone, Suzhou, Jiangsu, 215129 Patentee before: Zhu Jiandong |