CN101092984A - Device for locking telescoping rod - Google Patents
Device for locking telescoping rod Download PDFInfo
- Publication number
- CN101092984A CN101092984A CN 200710057874 CN200710057874A CN101092984A CN 101092984 A CN101092984 A CN 101092984A CN 200710057874 CN200710057874 CN 200710057874 CN 200710057874 A CN200710057874 A CN 200710057874A CN 101092984 A CN101092984 A CN 101092984A
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- Prior art keywords
- locking
- pressing member
- base sleeve
- ears
- assembling
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Abstract
This invention relates to a locking device of an extension rod including a base jacket fixedly holding an expansion outer pipe and locking pressed piece pivoted by the jacket, in which the base jacket includes an internal stop assemble part fixing the outer pipe and an inner tube expansion part making the inner pipe to expand freely, the outer side of the jacket is set with side ears for locking the press piece, slot channels allowing the locked press piece to press on the outer wall of the inner pipe are set at the side wall of the base jacket, the locked press piece is composed of a press body molded at one run and a locking post pressing on the front, the press body includes a locking front arm and a dynamic arm, a press piece pivot hole combined with the pivot hole of the side ears is set on the press body, a spring location device is set at a slightly back position of the dynamic arm and a locking post is pressed on the front of the arm and a location convex part extends into the step hole of the expansion inner pipe.
Description
Technical field
The invention belongs to the locking framework of flexible rod, especially lock the mechanism of the inner and outer pipe or the body of rod of mutual intussusception in the mode of pushing based on a base body.
Background technique
Known technology, a kind of positioning device of improved telescopic supporting rod is disclosed as Chinese patent 00200213.2, comprise one group of telescopic supporting rod of forming by the internal and external casing cover, it is characterized in that wearing an insurance push rod in elasticity card handle rear side with relative large and small hole between two pivoting pieces, two step-like members that are big path below the protruding enlarged head of insurance push rod, have endways screw thread and protrude one section outside pivoting piece spiral shell tie a cap body, insurance rank, the big footpath of push rod push within the pivoting piece withstands elasticity card handle with rank, big footpath, and elasticity card button end heads into inner sleeve and fixes.In addition can be further between insurance push rod pivoting piece down pivot tie a slice Buddhist nun and hinder shell fragment.
And for example Chinese patent 200520027056.2 discloses a kind of two-way locking device of flexible rod, comprise, lock sleeve, wherein, this lock sleeve has the first fit district portion that is complementary and combines with outer external diameter of pipe, with the second fit district portion that is complementary and combines with interior external diameter of pipe, the boss that forms between the first fit district portion and the second fit district portion exactly contact is lived outer spout part; The second fit district portion is provided with the chamber portion that holds the locating stud head, leaves the positioning hole with interior pipe positioning hole coupling along the bottom of this chamber portion.
Chinese patent 200520117851.0 discloses a kind of telescopic connecting tube for another example, comprise outer tube, be inserted in the interior pipe in the outer tube, be fixed with sleeve pipe on the outer tube, be provided with locking framework between outer tube and the interior pipe, locking framework comprise be pressed in vertically on the outer wall of pipe a plurality of latch recess, be arranged at button on the sleeve pipe, be arranged at the stop pin on the button, be provided with spring between stop pin and the sleeve pipe.Have jack on the button, stop pin passes this jack and fixes with button, promptly need not to establish in addition parts stop pin is located, and can reduce the constituent elements of locking framework; And the top of stop pin has position-limited edge, because position-limited edge is pressed on the button, can prevent that stop pin and button break away from.
The locking framework that relates to flexible rod in the known techniques is a lot, form by loaded down with trivial details component mostly with the structure that the mode of pushing locks based on a body, bring very burden to assembling, thereby strengthen man-hour, lower packaging efficiency, industry wishes that a kind of flexible rod locking framework with the parts composition of more simplifying, unit architecture of more optimizing comes out, to realize optimizing the purpose of assembling.
Summary of the invention
Problem to be solved by this invention is, overcomes the above-mentioned defective that the technology of taking over exists, and a kind of optimization component, simple structure, safe and reliable flexible rod locking device are provided.
Technical solution problem of the present invention takes following technological scheme to realize, according to the locking device that the invention provides a kind of flexible rod, comprise base sleeve that installs with outer telescopic tube and the locking pressing member of adorning by the base sleeve pivot, wherein, described base sleeve internal diameter has inner stopper department of assembly and the interior interior pipe pars contractilis that stretches freely of managing of appearance that the appearance outer tube installs; The described base sleeve outside is provided with appearance locking pressing member in pairs and picks up the ears by the assembling of the pivot pivot dress of one-tenth position of the fulcrum; This base sleeve sidewall is positioned at the assembling pivot hole position of picking up the ears and has and stretch out that direction is extended, as to hold locking pressing member locking forearm along pipe and cover the conduit that is pressed on the outer wall of inner tube; Described locking pressing member is made up of the locking column that the pressing member body and the one of one plastic pressure forming is compressed on front end, the pressing member body has locking forearm and power arm, be provided with and assemble the pivot hole of picking up the ears on this pressing member body and mate the pressing member pivot hole that combines, one spring-positioning device is in the position, back partially of power arm, one locking column one is compressed on locking forearm end, and leaves the location teat of the stepped aperture that can stretch into flexible interior pipe.
This case technical solution problem can also adopt following technical measures further to realize:
The locking device of aforesaid flexible rod, wherein, the assembling in the described base sleeve outside is picked up the ears along two pairs of base sleeve central shaft balanced configurations.
The locking device of aforesaid flexible rod, wherein, the internal diameter of the interior pipe pars contractilis of described base sleeve internal diameter and the external diameter of interior pipe form default gap value h;
The locking device of aforesaid flexible rod, wherein, the length setting of described base sleeve inner stopper department of assembly is greater than outer tube diameter, and less than or be approximately equal to 1/2 base sleeve length; The clause annular knurl that the middle part outer round surface setting of described pivot avoids pivot to come off.
The locking device of aforesaid flexible rod, wherein, the power arm of described locking pressing member becomes predetermined angle a with the locking forearm; Described assembling picks up the ears to extend into downward-sloping wedge shape along the pivot hole position to the power arm direction of locking pressing member, this wedge shape is assembled the height of picking up the ears to be become when highly depressing a little less than the locking pressing member, the angle of inclination b that this wedge shape assembling is picked up the ears becomes predetermined angle a suitable with the power arm of locking pressing member with the locking forearm, forms between this two assembling is picked up the ears the side of spring is protected the space.
The locking device of aforesaid flexible rod, wherein, described spring is by the annular spring groove location that is provided with on the power arm, is provided with between described base sleeve assembling is picked up the ears and annular spring groove annular corresponding, putting spring spring groove for sleeping on the power arm.
The locking device of aforesaid flexible rod, wherein, the integrally formed concave surface that is suitable for finger presses of the pushing surface of the power arm of described locking pressing member; The following of power arm is the stage clip working surface that slightly is concave surface, form the transition arm that tilts to power arm between described locking forearm and the power arm, be provided with on this transition arm with pick up the ears the described locking pressing member locking of pressing member pivot hole forearm bottom surface that the pivot hole coupling combines of assembling and be positioned to be provided with between locking column and locking pressing member pivot hole and prevent to lock the shrinkage pool that pressing member generation plasticity is fissioned.
The locking device of aforesaid flexible rod, wherein, the concave surface of the finger presses of the power arm of described locking pressing member is provided with anti-skidding line.
The locking device of aforesaid flexible rod, wherein, described base sleeve one plastic pressure forming, the anterior integrally formed tapering face of this base sleeve, the diameter of the inner stopper department of assembly of described base sleeve and the external diameter of outer tube coupling are combined into the flip sleeve assembling structure; Has the bead that locking column is combined with locking pressing member body one on the cylindrical of described locking column.
The locking device of aforementioned flexible rod, wherein, the position of approach locking post is provided with and is convenient to intuitively see the peep hole that has positioning pin column to exist on the described locking pressing member; Install outer tube at the outer tube part place of support ending by fastening piece near the inner, base sleeve inner stopper department of assembly; The undergauge that pipe stretched out in pipe pars contractilis external port place undergauge formed with interior pipe outer rim and is complementary, exactly holds in this base sleeve protects mouth; Described fastening piece balanced configuration.
The present invention compared with prior art has significant advantage and beneficial effect.By above technological scheme as can be known, the present invention is under the structural arrangements of excellence, have following advantage at least: the structure of base sleeve of the present invention is provided with the locking device and the flexible rod assembling of more convenient flexible rod, the locking pressing member is provided with the one plastic pressure forming, and installation step has been simplified in also one compacting of locking column greatly; Have more simple and direct effect attractive in appearance;
The present invention can dispose two-way locking or monodirectional locking mode as required easily; The detail setting that base sleeve of the present invention, pivot, undergauge protect parts such as the anti-skidding line of concave surface, locking column of mouth, annular spring, groove finger presses makes further safe and reliable, the affine audient of product, in a word, this case can effectively improve packaging efficiency, reduce expenditure of time, can realize that industry is promoted more widely.The present invention contrasts prior art significant contribution and progress, has realized its technical purpose fully, is the good technology with novelty, creativeness, practicability.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a first embodiment of the invention overall structure schematic representation;
Fig. 2 is a first embodiment of the invention decomposition texture schematic representation;
Fig. 3 is contained in the face of overlooking structural representation on the base sleeve for locking pressing member among the present invention;
Fig. 4 is a second embodiment of the invention overall structure schematic representation;
Fig. 5 is the another example structure schematic representation of locking pressing member among the present invention;
Fig. 6 is for locking a pressing member example structure schematic representation again among the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to embodiment provided by the invention, structure, feature and effect thereof, describe in detail as after.
Shown in Fig. 1-6, a kind of locking device of flexible rod, comprise base sleeve that installs with outer telescopic tube and the locking pressing member of adorning by the base sleeve pivot, wherein, described base sleeve 1 one plastic pressure forming, this base sleeve 1 internal diameter have inner stopper department of assembly 11 and the interior 6 interior pipe pars contractilis 12 that stretch freely of managing of appearance that appearance outer tube 5 installs; Further step is to install outer tube at outer tube part 111 places of support ending near the inner, base sleeve inner stopper department of assembly by fastening piece 112; The diameter of the inner stopper department of assembly 11 of described base sleeve and the external diameter of outer tube coupling are combined into the flip sleeve assembling structure; The length setting of described base sleeve inner stopper department of assembly is greater than outer tube diameter, and less than or be approximately equal to 1/2 base sleeve length; The all right balanced configuration of described fastening piece is to improve constantly the fastening stability of body and base sleeve; The internal diameter of pipe pars contractilis and the external diameter of interior pipe form default gap value h in the described base sleeve, hold in the conduit that is embedded in the base sleeve sidewall of the locking forearm certain depth that locks pressing member, and the locking column structure is not exposed; The undergauge that pipe stretched out in pipe pars contractilis external port place undergauge formed with interior pipe outer rim and is complementary, exactly holds in the described base sleeve protects mouthfuls 122, and pipe steadily stretches out in guaranteeing, reduces rocking that spacious amount brings; The described base sleeve outside is provided with the assembling of pivot dress locking pressing member 2 in pairs and picks up the ears 13, hold between two assemblings that the locking pressing member is installed in this balanced configuration by the pivot 3 that becomes position of the fulcrum pick up the ears, described assembling picks up the ears to extend into downward-sloping wedge shape along pivot hole 131 positions to the power arm direction of locking pressing member, this wedge shape is assembled the height of picking up the ears to be become when highly depressing a little less than the locking pressing member, the power arm that the angle of inclination b that this wedge shape assembling is picked up the ears approximates the locking pressing member greatly becomes predetermined angle a with the locking forearm, with not influencing under the situation that presses down the locking pressing member, form the side of spring 4 is protected space 14; The annular that putting spring is set between the assembling of described base sleeve the is picked up the ears spring groove 16 that crouches, the setting of circular groove make spring evenhanded, be difficult for deviating from; Described base sleeve sidewall is positioned at assembling pivot hole 131 positions of picking up the ears and has and stretch out that direction is extended, as to hold locking pressing member locking forearm along pipe and cover the conduit 15 that is pressed on the outer wall of inner tube; The anterior integrally formed tapering face 18 of described base sleeve to be more suitable for feel, economizes in raw materials.
Described locking pressing member 2 is made up of the locking column 21 that the pressing member body 20 and the one of one plastic pressure forming is compressed on front end, the pressing member body has locking forearm 202 and power arm 201, form the transition arm 200 that tilts to power arm between described locking forearm and the power arm, make the locking pressing member not only can less materials but also solid durable, be provided with on this transition arm with the assembling pivot hole 131 of picking up the ears and mate the pressing member pivot hole 2001 that combines, described power arm becomes predetermined angle a with the locking forearm, the top of this power arm is manual pushing surface, the integrally formed concave surface 2011 that is suitable for finger presses of this pushing surface, and anti-skidding line is set; The following of power arm is the stage clip working surface 2012 that slightly is concave surface, the annular spring groove 2013 of one putting spring 4 is arranged on the position, back partially of power arm, and it is corresponding with annular spring groove 16 couplings for sleeping between the base sleeve assembling is picked up the ears, realize jointly spring 4 ccontaining structures, be convenient to assembling, be difficult for spring removal, spring is arranged on the position, back partially of power arm, guarantee the locking pressing member can be under strong spring action quick lock in; One locking column, 21 one are compressed on locking forearm end, and leave can stretch into flexible in the location teat 211 of stepped aperture of pipe, has the bead 212 that locking column is combined with locking pressing member body one on the cylindrical of this locking column, this locking column can extend and be exposed to locking pressing member body surface until locking column, referring to Fig. 5, Fig. 6; Or the position setting of approach locking post is convenient to intuitively see the peep hole 2021 that has positioning pin column to exist on the locking pressing member, referring to Fig. 2, Fig. 4, so that the more affine audient of product; This locking forearm bottom surface is positioned to be provided with between locking column 21 and locking pressing member pivot hole and prevents to lock the shrinkage pool 2020 that pressing member produces the plasticity fission;
The clause annular knurl 31 that described pivot 3 middle part outer round surface settings avoid pivot to come off.
This case can be two-way as shown in Figure 1 locked configuration, both base sleeve one plastic pressure formings, the assembling in the described base sleeve outside picks up the ears 13 along two pairs of base sleeve central shaft balanced configurations, become with flexible in the stepped aperture of two-way configuration of pipe mate combined structure; The present invention can also be a monodirectional locking structure as shown in Figure 4, both base sleeve one plastic pressure formings, the assembling in the described base sleeve outside pick up the ears 13 be provided with a pair of, with flexible in the stepped aperture of unidirectional configuration of pipe mate and combine.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. the locking device of a flexible rod, comprise base sleeve that installs with outer telescopic tube and the locking pressing member of adorning by the base sleeve pivot, it is characterized in that described base sleeve (1) internal diameter has inner stopper department of assembly (11) and flexible freely interior pipe pars contractilis (12) of the interior pipe of appearance (6) that appearance outer tube (5) installs; The described base sleeve outside is provided with the assembling of holding pivot (3) the pivot dress of locking pressing member by becoming position of the fulcrum pick up the ears (13) in pairs; Described base sleeve sidewall is positioned at assembling pivot hole (131) position of picking up the ears and has and stretch out that direction is extended, as to hold locking pressing member locking forearm along pipe and cover the conduit (15) that is pressed on the outer wall of inner tube;
Described locking pressing member (2) is made up of the locking column (21) that the pressing member body (20) and the one of one plastic pressure forming is compressed on front end, the pressing member body has locking forearm (202) and power arm (201), be provided with on the described pressing member body with the assembling pivot hole (131) of picking up the ears and mate the pressing member pivot hole (2001) that combines, one spring (4) positioning device is in the position, back partially of power arm, one locking column (21) one is compressed on locking forearm end, and leaves the location teat (211) of the stepped aperture that can stretch into flexible interior pipe.
2. the locking device of flexible rod as claimed in claim 1 is characterized in that, the assembling in the described base sleeve outside is picked up the ears (13) along two pairs of base sleeve central shaft balanced configurations.
3. the locking device of flexible rod as claimed in claim 1 or 2 is characterized in that, the internal diameter of the interior pipe pars contractilis (12) of described base sleeve internal diameter and the external diameter of interior pipe form default gap value h.
4. the locking device of flexible rod as claimed in claim 3 is characterized in that, the length setting of described base sleeve (1) inner stopper department of assembly is greater than outer tube diameter, and less than or be approximately equal to 1/2 base sleeve length; The clause annular knurl (31) that the outer round surface setting of described pivot (3) middle part avoids pivot to come off.
5. as the locking device of claim 1,2, one of 4 described flexible rods, it is characterized in that the power arm of described locking pressing member (2) becomes predetermined angle a with the locking forearm; Described assembling picks up the ears to extend into downward-sloping wedge shape along pivot hole (131) position to the power arm direction of locking pressing member, this wedge shape is assembled the height of picking up the ears to be become when highly depressing a little less than the locking pressing member, the angle of inclination b that this wedge shape assembling is picked up the ears becomes predetermined angle a suitable with the power arm of locking pressing member with the locking forearm, forms between this two assembling is picked up the ears the side of spring (4) is protected space (14).
6. the locking device of flexible rod as claimed in claim 5, it is characterized in that, described spring (4) is by annular spring groove (2013) location that is provided with on the power arm, is provided with between described base sleeve assembling is picked up the ears and annular spring groove annular corresponding, putting spring spring groove (16) for sleeping on the power arm.
7. as the locking device of claim 1,2,4, one of 6 described flexible rods, it is characterized in that the integrally formed concave surface (2011) that is suitable for finger presses of the pushing surface of described power arm; The following of power arm is the stage clip working surface (2012) that slightly is concave surface, form the transition arm (200) that tilts to power arm between described locking forearm and the power arm, be provided with on this transition arm with pick up the ears the described locking pressing member locking of pressing member pivot hole (2001) forearm bottom surface that pivot hole (131) coupling combines of assembling and be positioned to be provided with between locking column (21) and locking pressing member pivot hole and prevent to lock the shrinkage pool (2020) that pressing member generation plasticity is fissioned.
8. the locking device of flexible rod as claimed in claim 7 is characterized in that, the concave surface of the finger presses of the power arm of described locking pressing member (2011) is provided with anti-skidding line.
9. as the locking device of claim 1,2,4,6, one of 8 described flexible rods, it is characterized in that, described base sleeve one plastic pressure forming, the anterior integrally formed tapering face (18) of this base sleeve, the diameter of the inner stopper department of assembly (11) of described base sleeve and the external diameter of outer tube coupling are combined into the flip sleeve assembling structure; Has the bead (212) that locking column is combined with locking pressing member body one on the cylindrical of described locking column.
10. the locking device of flexible rod as claimed in claim 9 is characterized in that, the position of approach locking post is provided with and is convenient to intuitively see the peep hole (2021) that has positioning pin column to exist on the described locking pressing member; Locate to install outer tube in the outer tube part (111) of support ending by fastening piece (112) near the inner, base sleeve inner stopper department of assembly; The undergauge that pipe stretched out in pipe pars contractilis external port place undergauge formed with interior pipe outer rim and is complementary, exactly holds in the described base sleeve protects mouthful (122); Described fastening piece balanced configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100578740A CN100480519C (en) | 2007-07-10 | 2007-07-10 | Device for locking telescoping rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100578740A CN100480519C (en) | 2007-07-10 | 2007-07-10 | Device for locking telescoping rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101092984A true CN101092984A (en) | 2007-12-26 |
| CN100480519C CN100480519C (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100578740A Expired - Fee Related CN100480519C (en) | 2007-07-10 | 2007-07-10 | Device for locking telescoping rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100480519C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982496A (en) * | 2014-05-29 | 2014-08-13 | 无锡双龙信息纸有限公司 | Core tube locking device for bill core tube recycling machine |
| CN105672753A (en) * | 2015-11-10 | 2016-06-15 | 李锦强 | Feeder switch used for scalability of tent support |
| CN108036159A (en) * | 2017-12-11 | 2018-05-15 | 合肥右传媒科技有限公司 | A kind of simple rack for pan-shot |
| CN108766310A (en) * | 2018-07-05 | 2018-11-06 | 国网湖北省电力有限公司随州供电公司 | A kind of anti-down alarming device |
| CN109173155A (en) * | 2018-11-12 | 2019-01-11 | 陈慎慎 | A kind of indoor bicycle training device based on body-sensing and visual sense |
| CN111075809A (en) * | 2018-10-18 | 2020-04-28 | 锦圣科技股份有限公司 | Positioning fastener for telescopic support rod |
| CN111430945A (en) * | 2020-04-02 | 2020-07-17 | 新昌县佑资电力科技有限公司 | Pluggable lockable terminal for electrical cabinet |
| AT522352A4 (en) * | 2019-05-29 | 2020-10-15 | Amwerk Produktions Gmbh | Connecting element |
-
2007
- 2007-07-10 CN CNB2007100578740A patent/CN100480519C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982496A (en) * | 2014-05-29 | 2014-08-13 | 无锡双龙信息纸有限公司 | Core tube locking device for bill core tube recycling machine |
| CN105672753A (en) * | 2015-11-10 | 2016-06-15 | 李锦强 | Feeder switch used for scalability of tent support |
| CN108036159A (en) * | 2017-12-11 | 2018-05-15 | 合肥右传媒科技有限公司 | A kind of simple rack for pan-shot |
| CN108766310A (en) * | 2018-07-05 | 2018-11-06 | 国网湖北省电力有限公司随州供电公司 | A kind of anti-down alarming device |
| CN108766310B (en) * | 2018-07-05 | 2024-03-22 | 国网湖北省电力有限公司随州供电公司 | Anti-falling warning device |
| CN111075809A (en) * | 2018-10-18 | 2020-04-28 | 锦圣科技股份有限公司 | Positioning fastener for telescopic support rod |
| CN111075809B (en) * | 2018-10-18 | 2022-01-25 | 锦圣科技股份有限公司 | Positioning fastener for telescopic support rod |
| CN109173155A (en) * | 2018-11-12 | 2019-01-11 | 陈慎慎 | A kind of indoor bicycle training device based on body-sensing and visual sense |
| AT522352A4 (en) * | 2019-05-29 | 2020-10-15 | Amwerk Produktions Gmbh | Connecting element |
| AT522352B1 (en) * | 2019-05-29 | 2020-10-15 | Amwerk Produktions Gmbh | Connecting element |
| CN111430945A (en) * | 2020-04-02 | 2020-07-17 | 新昌县佑资电力科技有限公司 | Pluggable lockable terminal for electrical cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100480519C (en) | 2009-04-22 |
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Granted publication date: 20090422 Termination date: 20160710 |