CN110200385A - A kind of self-locking pull rod and trolley case - Google Patents

A kind of self-locking pull rod and trolley case Download PDF

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Publication number
CN110200385A
CN110200385A CN201910563281.4A CN201910563281A CN110200385A CN 110200385 A CN110200385 A CN 110200385A CN 201910563281 A CN201910563281 A CN 201910563281A CN 110200385 A CN110200385 A CN 110200385A
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CN
China
Prior art keywords
inner tube
button
pull rod
outer tube
self
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910563281.4A
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Chinese (zh)
Inventor
曾冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910563281.4A priority Critical patent/CN110200385A/en
Publication of CN110200385A publication Critical patent/CN110200385A/en
Priority to CN201911083221.9A priority patent/CN110934404A/en
Priority to CN201921912295.4U priority patent/CN210988696U/en
Priority to PCT/CN2020/096650 priority patent/WO2020259373A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00Details; Accessories
    • A45C13/26Special adaptations of handles
    • A45C13/262Special adaptations of handles for wheeled luggage

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  • Buckles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The present invention relates to a kind of self-locking pull rod and trolley cases, including outer tube and the inner tube being sheathed in the outer tube, the side of the outer tube is equipped with several outer tubes and only receives padlock hole, said inner tube bottom, which is fixed with, only receives button, when pull rod inclination, by gravimetric tilt, bottom protrusion slides into the outer tube only to be received and blocks said inner tube in padlock hole and prevent said inner tube from downlink the button of only receiving;When said inner tube pulls up, the only receipts button, which is only received in padlock hole by the downward power of the outer tube wall from the outer tube, to be skidded off, and said inner tube freely pulls up.The self-locking of pull rod is completed by only receiving button and the cooperation of outer tube and inner tube, numerous components such as button, spring, sliding block, compression bar, the presser feet of conventional whip are not needed, structure is simple, mitigate pull rod weight, it reduces manufacturing cost and simplifies production technology, enhance the appearance whole design sense of pull rod, it is user-friendly.

Description

A kind of self-locking pull rod and trolley case
Technical field
The present invention relates to pull rod technical fields, more specifically to a kind of self-locking pull rod and trolley case.
Background technique
The pull linkage of trolley case is inner and outer pipes combination at present, by the sliding block of the button control lower part at top, utilizes bullet Spring blocks outer tube from the hole popped up sliding block on tube wall, then presses lower button, and sliding block is shunk, outer tube can free pull slide, it is whole A Tiebar structure components are various, and structure and production technology are complicated.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of self-locking pull rod and trolley case, structure is simple, does not need to pass Numerous components such as button, spring, the sliding block of system pull rod reduce manufacturing cost and simplify production technology.
The technical solution of the invention is as follows: the present invention provides a kind of self-locking pull rod, including outer tube and is sheathed on described Inner tube in outer tube, the side of the outer tube are equipped with several outer tubes and only receive padlock hole, and said inner tube bottom, which is fixed with, only receives button, When pull rod inclination, by gravimetric tilt, the bottom protrusion slide-in outer tube is only received to be blocked in described the button of only receiving in padlock hole It manages prevent said inner tube is from downlink;When said inner tube pulls up, it is described only receive button by the downward power of the outer tube wall from The outer tube is only received and is skidded off in padlock hole, and said inner tube freely pulls up.
Further, set on the outer tube, only receipts padlock hole is same including superposed fixed part and lower part for the only receipts button The lug boss of side, the fixed part are equipped with through-hole, and when pull rod inclination, the button of only receiving tilts therewith, and the lug boss is sliding Enter the outer tube only receive padlock hole in block said inner tube.
Further, the bottom only received button and be installed on said inner tube by fixing piece or pin.
Further, the fixing piece includes the clamping part of two sides and the salient point at middle part, and the side wall of said inner tube is equipped with Structural member mounting hole, the clamping part are stuck on the outer wall of said inner tube, and the salient point passes through the structural member mounting hole and leads to Hole is to which the button of only receiving to be fixed in said inner tube.
Further, the fixing piece includes the clamping part of two sides and the salient point at middle part, and the side wall of said inner tube is equipped with Structural member mounting hole, the clamping part are stuck on the outer wall of said inner tube;
The pull rod further includes structural member, and the structural member includes the structural member main body and superposed company positioned at lower part Socket part;The structural member main body is hollow structure, stops the ipsilateral of receipts padlock hole with the outer tube and is provided with stop bit, the only receipts button is logical It crosses installation axle to be installed in the structural member main body across the through-hole, can be put left and right in the space of the structural member main body It is dynamic;It is provided with mounting hole in the middle part of the interconnecting piece, is the same side with the structural member mounting hole;
The structural member is installed by the salient point of welding, paste adhesive, pin or the fixing piece across the structural member Hole and mounting hole any one mode therein are fixed on the bottom of said inner tube.
Further, the fixing piece is set to top or side ipsilateral with the mounting hole in the structural member main body, With the structural member main body integrated injection molding.
Further, described only receive is buckled in outside said inner tube, is partially accommodated in said inner tube or has fully embedded into described In pipe, when it is described only receive button and have fully embedded into said inner tube when, said inner tube and the outer tube stop the corresponding side in receipts padlock hole and open Equipped with inner tube avoiding hollow groove so that the button of only receiving is stretched out from said inner tube.
Further, it is only received on the opposite side of padlock hole on the fixed part for only receiving button with the outer tube and is additionally provided with triggering Portion is equipped with outstanding touch a little with the ipsilateral interval of the trigger unit on the outer tube;When said inner tube pull-up, described touch a little is touched To the trigger unit, apply downward power to the trigger unit, the button of only receiving is rotated to the other side, and the lug boss, which tilts, to be slided Enter the outer tube only receive padlock hole in block said inner tube, pull up said inner tube can only from downlink.
Further, it is only received on the opposite side of padlock hole on the fixed part for only receiving button with the outer tube and is additionally provided with triggering Portion, on the outer tube with the ipsilateral interval of the trigger unit be equipped with it is outstanding touch a little, touched a little in the structural member main body with described Ipsilateral be equipped with touches an avoiding hollow groove;When said inner tube pull-up, described touch a little encounters the trigger unit across the avoiding hollow groove that touches, Apply downward power to the trigger unit, the button of only receiving is rotated to the other side, and the lug boss tilting slides into the outer tube and stops It receives in padlock hole and blocks said inner tube, pull up said inner tube can only from downlink.
Further, the trigger unit is made of flexible material, and when said inner tube downlink, the trigger unit, which touches, is touched a little When deformation fallen from the Dian Chu that touches, it is described only receive button counter-rotating to make the lug boss far from the outer tube only receive padlock Hole.
In order to solve the technical problem, the present invention also provides a kind of trolley cases, including the self-locking as described in above-mentioned any one Pull rod.
Implement self-locking pull rod and trolley case of the invention, has the advantages that by only receiving button and outer tube and interior The self-locking of pull rod is completed in the cooperation of pipe, does not need button, spring, sliding block, compression bar, presser feet of conventional whip etc. numerous zero Part, structure is simple, mitigates pull rod weight, reduces manufacturing cost and simplifies production technology, enhances the appearance whole design sense of pull rod, It is user-friendly.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram for only receiving button of self-locking pull rod of the present invention;
Fig. 2 is the structural schematic diagram of the fixing piece of self-locking pull rod of the present invention;
Fig. 3 is that the embodiment one of self-locking pull rod of the present invention only will use the fixed signal on inner pipe of fixing piece by receipts button Figure;
Fig. 4 is the structural schematic diagram of the outer tube of self-locking pull rod of the present invention;
Fig. 5 is the assembling perspective view of the embodiment one of self-locking pull rod of the present invention;
Schematic diagram when Fig. 6 is one pull rod of the embodiment inclination of self-locking pull rod of the present invention;
Fig. 7 is the structural schematic diagram of the structural member of self-locking pull rod of the present invention;
Fig. 8 is the internal perspective view of the structural member of self-locking pull rod of the present invention;
Fig. 9 is the assembling perspective view of the embodiment two of self-locking pull rod of the present invention;
Schematic diagram when Figure 10 is two pull rod of the embodiment inclination of self-locking pull rod of the present invention;
Figure 11 is fixing piece and the integrally formed structural schematic diagram of structural member;
Figure 12 is the structural schematic diagram for only receiving button in the embodiment three of self-locking pull rod of the present invention;
The internal perspective view only receiving button and being mounted in structural member that Figure 13 is Figure 12;
Figure 14 is the schematic diagram of another angle of Figure 13;
Figure 15 is the assembling perspective view of the embodiment three of self-locking pull rod of the present invention;
Schematic diagram when Figure 16 is three pull rod of the embodiment inclination of self-locking pull rod of the present invention.
Specific embodiment
Fig. 1 to Fig. 6 shows first preferred embodiment of self-locking pull rod of the present invention comprising outer tube 1 and is sheathed on outer Inner tube 2 in pipe 1, outer tube 1 is fixed, and about 2 inner tube pulls, and the side of outer tube 1 is equipped with several outer tubes and only receives padlock hole 11, is Convenient for explanation, in the present embodiment by taking outer tube only receives the setting of padlock hole 11 on 1 right side of outer tube as an example.It is fixed with only in 2 bottom of inner tube Button 41 is received, the lower part for only receiving button 41 overweights top, and only receiving button 41 includes that superposed fixed part 100 and lower part are stopped set on outer tube The ipsilateral lug boss 200 in padlock hole 11 is received, fixed part 100 is equipped with through-hole, and only receipts button 41 is passed through logical by fixing piece 3 or pin Hole is installed on the bottom of inner tube 2, only receives button 41 and rotates by center of rotation of the center of circle of the through-hole.When pull rod is tilted to the right, only It receives button 41 also to be turned right by gravity inclination, lug boss 200 and the inner wall of outer tube 1 on the right side of lower part offset, pulling inner tube 2 Upwards, when only receive button 41 go upward to outer tube only receive padlock hole 11 at when, lug boss 200 slide into outer tube only receive padlock hole 11 in, this When only need inner tube 2 toward end pressure, only receive button 41 and be stuck in the outer tube of outer tube 1 and only receive in 11 lower edge of padlock hole, continue downward Press inner tube 2 also can not downlink, pull up inner tube 2 can only;When inner tube 2 pulls up, it is by 1 side wall of outer tube downward only to receive button 41 Power is only received in padlock hole 11 from outer tube and is skidded off, and inner tube 2 can be pulled up freely, only need to be by pull rod when needing to withdraw inner tube 2 It is vertical, inner tube 2 is mentioned a bit upwards, button 41 is only received and is withdrawn because of self weight in outer tube 1, at this moment inner tube 2 is i.e. recoverable.This reality When applying self-locking pull rod in example and needing self-locking, it is necessary to pull rod inclination first allows to only receive could be again vertical after button 41 blocks outer tube 1, Otherwise self-locking function cannot be played, when pull rod slides up and down vertically only receive button 41 can not detent, pull rod can not be self-locking.
Fixing piece 3 includes the clamping part 31 of two sides and the salient point 32 at middle part in the present embodiment, and the side wall of inner tube 2 is equipped with knot Component mounting hole 21, clamping part 31 are stuck on the outer wall of inner tube 2, and salient point 32 passes through structural member mounting hole 21 and through-hole to stop Button 41 is received to be fixed in inner tube 2.As shown in Fig. 2, being the structure chart of fixing piece 3, cross section is half mouthful of word, both sides clamping part 31 Distance be slightly larger than the outer diameter of inner tube 2, each one of two sides are stuck on the outer wall of inner tube 2, and the cylindrical salient point 32 at middle part is worn simultaneously It crosses structural member mounting hole 21 and only receives the through-hole on button 41, be fixed on button 41 is only received in inner tube 2.The diameter of through-hole is greater than cylinder The diameter of body salient point 32, therefore only receipts button 41 can be freely rotated.Certainly, by fixing piece 3 pin, bolt in the present embodiment Etc. substitutions be also it is feasible, only will need to only receive button and 41 be connect with inner tube 2.
Fig. 7 to Figure 11 shows second embodiment of self-locking pull rod of the present invention, and fixing piece 3 includes two sides in the present embodiment Clamping part 31 and middle part salient point 32, the side wall of inner tube 2 is equipped with structural member mounting hole 21, and clamping part 31 is stuck in inner tube 2 On outer wall;Pull rod further includes structural member 4, and structural member 4 includes the structural member main body 42 and superposed interconnecting piece positioned at lower part 43;Structural member main body 42 is hollow structure, and the ipsilateral of padlock hole 11 is only received with outer tube and is provided with stop bit 44, button 41 is only received and passes through installation Axis 45 passes through through-hole and is installed in structural member main body 42, can swing in the space of structural member main body 42;In interconnecting piece 43 Portion is provided with mounting hole 46, is the same side with structural member mounting hole 21;Structural member 4 passes through welding, paste adhesive, pin or fixing piece 3 salient point 32 passes through structural member mounting hole 21 and any one mode therein of mounting hole 46 is fixed on the bottom of inner tube 2.Second Embodiment, which is different from the first embodiment in, only receives button 41 and inner tube 2 by the connection of structural member 4, and structural member 4 will only receive button 41 are contained in lower space, can equally be freely rotated, and stretch out slide-in outer tube only receipts padlock hole 11 to allow only to receive button 41 It is interior, stop bit 44 is opened up on right side, in this way when pull rod is tilted towards pull-up, button 41 is only received and is stretched out from stop bit 44, slide into outer tube and stop It receives in padlock hole 11, inner tube 2 just cannot glide and can only pull up, and complete self-locking.Structural member 4 and inner tube 2 can there are many connect Mode, it is only necessary to structural member 4 is fixed in inner tube 2, connection type can be welding or paste adhesive, can also use and tie The method that interconnecting piece 43 is arranged in 4 top of component, opens up mounting hole 46 on interconnecting piece 43, passes through structural member mounting hole using pin 21 and mounting hole 46 or in 43 two sides mounting fixing parts 3 of interconnecting piece, so that structural member 4 is mounted on 2 bottom of inner tube.It is worth mentioning , fixing piece 3 can be independent components and also with 42 integrated injection molding of structural member main body, as shown in figure 11, Gu Determine part 3 top or side ipsilateral with mounting hole 46 in structural member main body 42, can be more convenient when installing in this way, directly will Salient point 32 is directed at mounting hole 46 and is inserted by the fixing piece 3 of two sides to turning over.
The present embodiment stop to receive button 41 inner tube 2 it is outer, be partially accommodated in inner tube 2 or have fully embedded into inner tube 2, when only receiving Button 41 is when having fully embedded into inner tube 2, and inner tube 2 only receives the corresponding side in padlock hole 11 with outer tube and offers inner tube avoiding hollow groove so as to only receipts Button 41 is stretched out from inner tube 2.If only receiving button 41 in the outside of inner tube 2, the rotation for only receiving button 41 is not influenced, if only receiving button 41 are completely embedded into inner tube 2, then need only to receive 11 respective side of padlock hole fluting in outer tube, only receiving button 41 in this way can be with normal rotation To outside.
The first embodiment and second embodiment of self-locking pull rod of the present invention are required under pull rod heeling condition could be real Existing self-locking function, cannot be self-locking under pull rod vertical state, thus devise pull rod also may be implemented under vertical state it is self-locking 3rd embodiment, as shown in Figure 12 to Figure 16, the present embodiment stop receive button 41 fixed part 100 on outer tube only receive padlock hole It is additionally provided with trigger unit 300 on 11 opposite sides, outstanding touches a little 5 with being equipped with for the ipsilateral interval of trigger unit 300 on outer tube 1.This reality The button of only receiving applied in example 41 both can be used alone and can also be used in combination with fit structure part 4, by the first implementation when exclusive use Only receipts button in example, which is replaced with, only receives button with trigger unit 300, needs when being used cooperatively with structural member 4 in structural member master On body 42 with touch a little 5 ipsilateral open up and touch an avoiding hollow groove 47;When inner tube 2 pulls up, touches and a little 5 encounter triggering across touching an avoiding hollow groove 47 Portion 300 applies downward power to trigger unit 300, only receives button 41 and rotates to the other side, and lug boss 200 tilts slide-in outer tube and only receives Inner tube 2 is blocked in padlock hole 11, pull up inner tube 2 can only from downlink.Trigger unit 300 is stretched out laterally to the left, a left side for structural member 4 Side is equipped with accordingly touches an avoiding hollow groove 47, stretches out trigger unit 300 from touching in an avoiding hollow groove 47, and 1 inside left of outer tube is equipped with and touches Point 5, it is corresponding for touching the position that a little receipts padlock hole 11 is stopped with outer tube in 5 position, naturally it is also possible to be suppressed on outer tube 1 inside Concave point substitution touch a little 5, mainly play the role of abutting with trigger unit 300.In this way, when inner tube 2 is when pulling up, trigger unit 300 encounter and touch a little 5 in inner tube 2, and trigger unit 300 is rotated counterclockwise, the protrusion of lower part by downward power to make only to receive button 41 Portion 200 is upper to the right to tilt, and just slide-in outer tube is only received in padlock hole 11, and inner tube 2 is slightly pressed down, and only receives button 41 and is just stuck in outer tube On the outer for only receiving padlock hole 11, prevents inner tube 2 from moving downward, can only pull up, achieve the purpose that self-locking.Inner tube 2 continues When pulling up, only receives button 41 and skidded off from outer tube only receipts padlock hole 11 by the downward power of 1 side wall of outer tube, continue inner tube 2 It pulls up, until a vertical pulling to top.
Trigger unit 300 is made in the present embodiment of flexible material, soft flexible, when 2 downlink of inner tube, trigger unit 300 Touch touch a little 5 when deformation a little fall from 5 from touching, only receive and rotated clockwise on the left of button 41 by upward power, to make lug boss 200 only receive padlock hole 11 far from outer tube, avoid outer tube and stop the obstruction for receiving 11 lower edge of padlock hole, inner tube 2 always retracted downward to original Position.Mistake in pull rod inclination in use, the operational process of entire pull rod pull-up is identical as the principle of embodiment 2, when retracted downward Journey is identical as the principle that embodiment 3 glides when vertical, and details are not described herein.
In order to solve the technical problem, the present invention also provides in a kind of trolley case, including above three self-locking pull rod embodiment Any one pull rod.
Using self-locking pull rod of the invention and trolley case, pull rod is completed by only receiving button and the cooperation of outer tube and inner tube It is self-locking, numerous components such as button, spring, sliding block, compression bar, presser feet of conventional whip are not needed, structure is simple, mitigates pull rod Weight reduces manufacturing cost and simplifies production technology, enhances the appearance whole design sense of pull rod, user-friendly.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention Thought, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from structure of the invention Think, all belongs to the scope of protection of the present invention.

Claims (11)

1. a kind of self-locking pull rod, including outer tube (1) and the inner tube (2) being sheathed in the outer tube (1), the outer tube (1) Side is equipped with several outer tubes and only receives padlock hole (11), which is characterized in that and said inner tube (2) bottom, which is fixed with, only receives button (41), When pull rod inclination, by gravimetric tilt, bottom protrusion slides into the outer tube and only receives card in padlock hole (11) button (41) of only receiving Firmly said inner tube (2) makes said inner tube (2) be unable to downlink;When said inner tube (2) pulls up, the button (41) of only receiving is by institute It states the downward power of outer tube (1) side wall to skid off out of the outer tube only receipts padlock hole (11), said inner tube (2) freely pulls up.
2. self-locking pull rod according to claim 1, which is characterized in that the button (41) of only receiving includes superposed solid Determine portion (100) and lower part and be set to the outer tube and stop to receive padlock hole (11) ipsilateral lug boss (200), on the fixed part (100) Equipped with through-hole, when pull rod inclination, the button (41) of only receiving tilts therewith, and the lug boss (200) slides into the outer tube and only receives Said inner tube (2) are blocked in padlock hole (11).
3. self-locking pull rod according to claim 2, which is characterized in that it is described only receive button (41) by fixing piece (3) or Pin is installed on the bottom of said inner tube (2).
4. self-locking pull rod according to claim 3, which is characterized in that the fixing piece (3) includes the clamping part of two sides (31) and the salient point at middle part (32), the side wall of said inner tube (2) are equipped with structural member mounting hole (21), clamping part (31) card On the outer wall of said inner tube (2), the salient point (32) passes through the structural member mounting hole (21) and through-hole to described stop Button (41) is received to be fixed on said inner tube (2).
5. self-locking pull rod according to claim 3, which is characterized in that the fixing piece (3) includes the clamping part of two sides (31) and the salient point at middle part (32), the side wall of said inner tube (2) are equipped with structural member mounting hole (21), clamping part (31) card On the outer wall of said inner tube (2);
The pull rod further includes structural member (4), and the structural member (4) includes positioned at the structural member main body (42) of lower part and positioned at upper The interconnecting piece (43) in portion;The structural member main body (42) is hollow structure, stops ipsilateral the opening for receiving padlock hole (11) with the outer tube Have stop bit (44), the only receipts button (41) passes through the through-hole by installation axle (45) and is installed on the structural member main body (42) It is interior, it can swing in the space of the structural member main body (42);Mounting hole (46) are provided in the middle part of the interconnecting piece (43), with The structural member mounting hole (21) is the same side;
The structural member (4) passes through the structure by the salient point (32) of welding, paste adhesive, pin or the fixing piece (3) Part mounting hole (21) and mounting hole (46) any one mode therein are fixed on the bottom of said inner tube (2).
6. self-locking pull rod according to claim 5, which is characterized in that the fixing piece (3) is set to the structural member master The top or side ipsilateral with the mounting hole (46) on body (42), with structural member main body (42) integrated injection molding.
7. according to self-locking pull rod described in claim 4-6 any one, which is characterized in that the button (41) of only receiving is described Inner tube (2) outside, be partially accommodated in said inner tube (2) or have fully embedded into said inner tube (2), only receive button (41) all when described Padlock hole (11) corresponding side is only received with the outer tube when being embedded in said inner tube (2), in said inner tube (2) offer inner tube keep away Empty slot is stretched out from said inner tube (2) so as to the button (41) of only receiving.
8. self-locking pull rod according to claim 3, which is characterized in that on the fixed part (100) for only receiving button (41) With the outer tube only receive padlock hole (11) opposite side on be additionally provided with trigger unit (300), on the outer tube (1) with the trigger unit (300) being equipped with for ipsilateral interval outstanding touches point (5);When said inner tube (2) pull-up, the point (5) that touches encounters the triggering Portion (300) applies downward power to the trigger unit (300), and the button (41) of only receiving is rotated to the other side, the lug boss (200) the tilting slide-in outer tube, which is only received in padlock hole (11), blocks said inner tube (2), and said inner tube (2) is made to be unable to downlink It can pull-up.
9. self-locking pull rod according to claim 5, which is characterized in that on the fixed part (100) for only receiving button (41) With the outer tube only receive padlock hole (11) opposite side on be additionally provided with trigger unit (300), on the outer tube (1) with the trigger unit (300) ipsilateral interval be equipped with it is outstanding touch point (5), touch that point (5) is ipsilateral to be offered with described on the structural member main body (42) Touch an avoiding hollow groove (47);When said inner tube (2) pull-up, it is described touch point (5) pass through it is described touch an avoiding hollow groove (47) encounter it is described Trigger unit (300) applies downward power to the trigger unit (300), and the button (41) of only receiving is rotated to the other side, the protrusion Portion (200) the tilting slide-in outer tube, which is only received in padlock hole (11), blocks said inner tube (2), and said inner tube (2) is made to be unable to downlink It can only pull up.
10. self-locking pull rod according to claim 8 or claim 9, which is characterized in that the trigger unit (300) is flexible material It is made, when said inner tube (2) downlink, the trigger unit (300) touches deformation when touching point (5) and falls from described touch at point (5), It is described to receive button (41) counter-rotating only to make the lug boss (200) only to receive padlock hole (11) far from the outer tube.
11. a kind of trolley case, which is characterized in that including the self-locking pull rod as described in claim 1-6 and 8-9 any one.
CN201910563281.4A 2019-06-26 2019-06-26 A kind of self-locking pull rod and trolley case Pending CN110200385A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201910563281.4A CN110200385A (en) 2019-06-26 2019-06-26 A kind of self-locking pull rod and trolley case
CN201911083221.9A CN110934404A (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box
CN201921912295.4U CN210988696U (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box
PCT/CN2020/096650 WO2020259373A1 (en) 2019-06-26 2020-06-17 Self-locking draw bar and trolley case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910563281.4A CN110200385A (en) 2019-06-26 2019-06-26 A kind of self-locking pull rod and trolley case

Publications (1)

Publication Number Publication Date
CN110200385A true CN110200385A (en) 2019-09-06

Family

ID=67794659

Family Applications (3)

Application Number Title Priority Date Filing Date
CN201910563281.4A Pending CN110200385A (en) 2019-06-26 2019-06-26 A kind of self-locking pull rod and trolley case
CN201911083221.9A Pending CN110934404A (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box
CN201921912295.4U Expired - Fee Related CN210988696U (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN201911083221.9A Pending CN110934404A (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box
CN201921912295.4U Expired - Fee Related CN210988696U (en) 2019-06-26 2019-11-07 Self-locking type pull rod and pull rod box

Country Status (2)

Country Link
CN (3) CN110200385A (en)
WO (1) WO2020259373A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020259373A1 (en) * 2019-06-26 2020-12-30 曾冰 Self-locking draw bar and trolley case

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Publication number Priority date Publication date Assignee Title
JPH0914223A (en) * 1995-07-03 1997-01-14 Torii Seisakusho:Kk Column locking tool
US5570491A (en) * 1995-11-28 1996-11-05 Tung; Chen C. Retractable handle locating structure
US5876048A (en) * 1997-02-06 1999-03-02 Lee; Chi-Tsai Extensible draw bar device
TW427128U (en) * 2000-07-17 2001-03-21 Chaw Khong Technology Co Ltd Structure of rotary draw bar for suitcase
CN201938644U (en) * 2010-11-22 2011-08-24 赖东峰 Slidable pull rod
CN206072038U (en) * 2016-08-30 2017-04-05 富鼎电子科技(嘉善)有限公司 Self-locking elevating mechanism
CN110200385A (en) * 2019-06-26 2019-09-06 曾冰 A kind of self-locking pull rod and trolley case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020259373A1 (en) * 2019-06-26 2020-12-30 曾冰 Self-locking draw bar and trolley case

Also Published As

Publication number Publication date
CN210988696U (en) 2020-07-14
WO2020259373A1 (en) 2020-12-30
CN110934404A (en) 2020-03-31

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