CN109497672A

CN109497672A - Trolley case

Info

Publication number: CN109497672A
Application number: CN201910022114.9A
Authority: CN
Inventors: 钱国辉
Original assignee: Shanghai Luggage Trade Co Ltd
Current assignee: Shanghai Luggage Trade Co Ltd
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-03-22
Anticipated expiration: 2039-01-10
Also published as: WO2020143123A1; CN109497672B

Abstract

The invention discloses a kind of trolley case, including cabinet and pull rod, the length difference pull rod stretched out according to pull rod from cabinet successively has handle position, carries out position and line position is drawn to set, and when pull rod is in handle position, can be lifted cabinet by pull rod.Pull rod of the invention has handle position, carries out position and line position is drawn to set, and at handle position, pull rod can be directly used as handle, and cabinet does not need separately to assemble luggage case handle again, simplify design, tailored appearance is clean, easy to carry.

Description

Trolley case

Technical field

The present invention relates to case fields, and in particular to a kind of trolley case.

Background technique

Trolley case refers to the luggage case with pull rod and idler wheel.It is widely used because its is easy to use.Meanwhile trolley case also because Chest sets a pull rod, is divided into single tube pull rod and two-tube pulling rod, the Guan Yiyou square tube of pull rod and point of round tube, when facilitating walking In tow, it reduces the heavy burdens significantly.Trolley case can be portable or be dragged, the wheel of our trolley cases usually used all position substantially In chest bottom, and modern has devised the trolley case of a neomorph, and chest has been designed to the moulding of cylinder, wheel Then entire outsourcing is on the outside of chest, and such roller design allows this trolley case preferably to adapt to different landform, such as Directly hauling chest can light stair activity.

However, these trolley cases are biasing narrow pull rod mostly, some surface of cabinet, Yi Jixu is arranged in pull rod Again cabinet to be lifted with facilitating in the design of the side of cabinet independently of the handle of pull rod.

Summary of the invention

The object of the present invention is to provide a kind of trolley cases, to solve above-mentioned problems of the prior art.

To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of trolley case, including cabinet and drawing Bar, the pull rod according to the length difference that the pull rod is stretched out from the cabinet successively have handle position, carry out position and It draws line position to set, when the pull rod is in the handle position, the cabinet can be lifted by the pull rod.

In one embodiment, the cabinet includes box frame and the front panel positioned at the box frame front surface With the rear panel for being located at the box frame rear surface, the pull rod includes cross bar and vertical bar, and the cross bar is located at the cabinet Frame roof and the vertical bar are located at the box frame two sides.

In one embodiment, the front panel and rear panel be detachably connected to the box frame front surface and Rear surface.

In one embodiment, the vertical bar is located at the middle part of the box frame two sides.

In one embodiment, the box frame includes mutually independent first part and second part, and described first It is rotatably coupled between part and second part by hinge.

In one embodiment, the thickness of the box frame first part is greater than the thickness of the box frame second part Degree, the pull rod is set in the first part of the box frame, wherein the vertical bar is set to the of the box frame The two sides of a part, the cross bar are set to the top of the first part of the box frame.

In one embodiment, the pull rod is arranged to when the pull rod is in the handle position, the pull rod from The first length stretched out in the cabinet is most short.

In one embodiment, the pull rod is arranged to when the pull rod is in the drawing line position and sets, the pull rod from The third length longest stretched out in the cabinet.

In one embodiment, the pull rod is arranged to when the pull rod is in the implementation position, the pull rod from The second length stretched out in the cabinet is between first length and the third length.

In one embodiment, the pull rod is equipped with control key, by operating the control key pull rod is in The handle position carries out position or line position is drawn to set.

In one embodiment, the pull rod includes the vertical bar of top cross bar and two sides, and the control key is set to institute It states in top cross bar.

In one embodiment, the middle part of the top cross bar is arranged in the control key.

In one embodiment, the control key is arranged to operate by way of pressing.

In one embodiment, the pull rod is arranged to when the pull rod is not pulled out from the cabinet, and the pull rod is complete It is embedded in the cabinet entirely.

In one embodiment, the pull rod is arranged to press the control when the pull rod is not pulled out from the cabinet The pull rod is moved to the handle position, presses the control key again by key processed, by the pull rod from the handle position It is moved to the implementation position, presses the control key again, the pull rod is drawn to the drawing from the implementation position and is gone Position.

In one embodiment, the pull rod includes handle assembly, transmission component, inner tube, outer tube and gear component, institute Stating inner tube includes the transverse tube at top and the standpipe of two sides, and the transmission component is installed in said inner tube, and the handle is installed on Outside the top transverse tube of said inner tube, the standpipe of said inner tube two sides is respectively accommodated in two outer tubes, the gear component installation In the outer tube bottom and cooperate with the transmission component, the handle and the transmission component link and by the transmission Gear component movement described in Component driver, so that the pull rod is respectively at handle position, carries out position or line position is drawn to set.

In one embodiment, the handle includes mutually independent upper handle portion and handle lower part, the upper handle portion It is respectively arranged in above and below the top transverse tube of said inner tube, and is mutually fastened thus by said inner tube with handle lower part Top riser is contained in inside the handle.

In one embodiment, the control key is installed on the middle part of the upper handle portion.

In one embodiment, the transmission component includes drive rod, turning drive block, steel wire and transmission foot, described Drive rod is installed in the top transverse tube of said inner tube, and the lower end of the turning drive block is connect with the upper end of the steel wire, institute The end of the upper end and the drive rod of stating turning drive block cooperates, and the steel wire is installed in said inner tube and connects in lower end The movement of the transmission foot, the drive rod passes to the steel wire by the turning drive block, to drive the transmission Foot movement.

In one embodiment, the gear component includes reversing piece, locating piece, locating part and the first elastic component, institute It states locating part to be equipped with locating part mounting groove along the vertical direction and be equipped with locating piece mounting groove in the horizontal direction, the reversing piece peace Following table face contact loaded in the locating part mounting groove and upper end of the reversing piece and the transmission hornblock, first bullet Property part and locating piece is installed in the locating piece mounting groove and first elastic component is located at the rear of the locating piece, it is described Locating piece can be contained in the external protrusion of the locating part under the elastic force effect of first elastic component respectively with The handle position carries out position or line position is drawn to set in corresponding hole.

In one embodiment, the outer tube be equipped with respectively with the handle position, carry out position and line position drawn to set pair The hole answered, the locating part is from the different hole cooperation so that the pull rod is located at the handle position, carries out position It is set with drawing line position.

In one embodiment, the lower end of the reversing piece is equipped with guiding surface, and the locating piece is equipped with and the guiding The commutation inclined-plane of inclined-plane cooperation, when the reversing piece moves downward, the guiding surface and the commutation inclined-plane cooperate thus The locating piece is forced to move the inside for retracting the locating part backward.

In one embodiment, the gear component further includes the second elastic component and end socket part, and the end socket part is fixed It is installed on the inside of the outer tube lower end, the upper end of second elastic component contacts with the locating part and supports the limit Part, the lower end of second elastic component are installed on the end socket part.

In one embodiment, first elastic component and second elasticity are spring.

In one embodiment, the inside of the cabinet is additionally provided with pull rod fixing piece, the pull rod fixing piece and the envelope Head is fixedly connected and the bottom end of the pull rod is fixed on to the inside of the cabinet.

The pull rod of rod-pulling type luggage case of the invention has handle position, carries out position and line position is drawn to set, in handle position When pull rod can be directly used as handle, so that cabinet does not need separately to assemble luggage case handle again, simplify design, save weight And cost, while carrying out position convenient for the implementation of cabinet, row is drawn convenient for luggage case in three level positions.

Further, since the vertical bar of pull rod is set to the two sides of box frame, (this set makes pull rod and common trolley case Pull rod compare, it appears the distance between two vertical bars of pull rod are wider, because of referred to herein as wide pull rod), the cross bar of pull rod is set to The top of frame and cross bar is completely embedded into inside cabinet when pull rod does not pull out, may be implemented pure flat top, at this time top It can be used to place notebook operation, user can also be sitting in top of the box, sit up very comfortable.

Secondly as the vertical bar of pull rod is set to box frame two sides, can allow inside chest, two faces are all pure flat , therefore, pull rod will not occupy the effective use space of cabinet, so as to save (the traditional pull rod meeting of many inner spaces Occupy many back spaces) so that the intracorporal use space of case is bigger, convenient for storing more articles.

Again, in use due to wide pull rod, it such as needs trolley case carrying stair activity etc., can be worn with arm Enter, lifting is facilitated to operate, saves physical strength.

Finally, the inner tube of wide pull rod is an integrated bend pipe, will not be broken, and conventional whip is logical using two tubes A crossbeam link is crossed, is easily broken off.

Detailed description of the invention

Fig. 1-3 is the main view of trolley case of the present invention, and wherein Fig. 1 shows pull rod and is in handle position, and Fig. 2 shows at pull rod Pull rod is shown in implementation position and Fig. 3 to set in drawing line position；

Fig. 4 is the side view of trolley case of the present invention；

Fig. 5 shows the perspective view of trolley case；

Fig. 6 shows the perspective view of the cabinet of the trolley case of Fig. 5, wherein pull rod has been removed；

Fig. 7 shows the another perspective view of trolley case, and wherein pull rod is not pulled up；

Fig. 8 shows the stereogram exploded view of the trolley case in one embodiment of the invention；

Fig. 9 is the perspective view of pull rod；

Figure 10 is the cross-sectional view of pull rod；

Figure 11 is the enlarged drawing of the part E of Figure 10；

Figure 12 is the stereogram exploded view of pull rod；

Figure 13 is the main view of trolley case；

Figure 14 is the cross-sectional view splitted along the line A-A of Figure 13；And

Figure 15 is the cross-sectional view splitted along the line K-K of Figure 13.

Specific embodiment

Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is Illustrate the connotation of technical solution of the present invention.

In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details One or more details the case where get off to practice embodiment.Under other circumstances, well known device associated with this application, Structure and technology may not be illustrated in detail or describe to avoid unnecessarily obscuring the description of embodiment.

Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature It can combine in any way in one or more embodiments.

In the following description, structure and working method of the invention in order to clearly demonstrate, will be by many Directional words It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower" Language understands for convenience of term, and is not construed as word of limitation.

Fig. 1-3 is the main view of trolley case 100 of the present invention, show pull rod be respectively at handle position, carry out position and The state for drawing line position to set, Fig. 4 is the side view of trolley case 100 of the present invention.As shown in Figs 1-4, trolley case 100 includes 20 He of cabinet Pull rod 10 successively has handle position A according to the length difference pull rod that pull rod 10 is stretched out from cabinet 20, carries out position B and drawing Line position sets C, when pull rod 10 is in handle position A, can be lifted cabinet 20 by pull rod 10.

When pull rod 10 is in handle position A, the first length that pull rod 10 is stretched out out of cabinet 20 is most short.At pull rod 10 When drawing line position to set C, third length longest that pull rod 10 is stretched out out of cabinet 20.When pull rod 10, which is in, carries out position B, pull rod 10 the second length stretched out out of cabinet 20 are between the first length and third length.

Fig. 5 shows the perspective view of trolley case 100, and Fig. 6 shows the perspective view of the cabinet 20 of the trolley case of Fig. 5, wherein pull rod It has been being removed that, Fig. 7 shows the another perspective view of trolley case 100, and wherein pull rod is not pulled up, as illustrated in figs. 5-7, trolley case 100 include positioned at surrounding frame 21 and positioned at box frame 21 front surface front panel 22 and positioned at box frame 21 The rear panel 23 of rear surface, frame 21, front panel 22 and rear panel 23 are encircled into cabinet 20.Pull rod 10 includes cross bar 12 and vertical bar 11, cross bar 12 is located at the top of box frame 21 and vertical bar 11 is located at the two sides of box frame 21.It can be understood by Fig. 5 and be seen Out, for pull rod of the invention compared with common trolley case, the cross bar of pull rod wants much longer, substantially wide with cabinet, therefore also referred to as Make wide pull rod.

As shown in fig. 6-7, it is equipped with groove 23 at the top of frame, when pull rod 10 is not drawn out, cross bar 12 is embedded in groove In 23, on the surface, pull rod 10 is combined into one with cabinet 20, and entire trolley case appearance is very succinct.

Fig. 8 shows the stereogram exploded view of the trolley case 100A in one embodiment of the invention, embodiment shown in Fig. 8 In, front panel 22 and rear panel 23 are detachably connected to the front surface and rear surface of box frame 21.Such mode is convenient for case The replacement of honorable plate, user can also replace the panel of different colours according to personal preference.

With continued reference to Fig. 1-8, as a preferred mode, the vertical bar 11 of pull rod 10 is located in 21 two sides of box frame Portion.So set, convenient for lifting trolley case 100 when pull rod 10 is in handle position, and since pull rod 10 is in cabinet frame Therefore, when lifting the middle part of frame keeps the balance of cabinet.

In one embodiment, box frame 21 includes mutually independent first part (i.e. cabinet main body) and second part (i.e. case lid), is rotatably coupled between first part and second part by hinge.Wherein, the thickness of first part is greater than case The thickness of body frame second part, pull rod are set in first part's (i.e. cabinet main body) of box frame 21, wherein vertical bar is set The two sides of the first part of box frame 21 are placed in, cross bar is set to the top of first part.

As shown in figure 5, the middle part of pull rod 12 is equipped with control key 121, operates the control key 121 and pull rod is made to be in handle position A is set, carries out position B or line position is drawn to set C.Although showing the middle part that control key 121 is in cross bar 12 in figure, however, this field Technical staff is appreciated that control key also and can be set the other positions in pull rod.In the embodiment of diagram, control key 121 is logical The mode for crossing pressing operates.When pull rod 10 is not pulled out out of cabinet 20, pull rod 10 is completely embedded into cabinet 20.

When pull rod 10 are not pulled out from cabinet 20, control key 121 are pressed, pull rod can be moved to handle position A, Control key 121 is pressed again, pull rod 12 can be moved to from handle position A and be carried out position B, press control key 121 again, it can Line position is drawn to set C so that pull rod to be moved to from implementation position B.

It is illustrated referring to Fig. 9-12 pull rod 10 invented.Fig. 9 is the perspective view of pull rod 10, and Figure 10 is pull rod 10 Cross-sectional view, Figure 11 are the enlarged drawings of the part E of Figure 10, and Figure 12 is the stereogram exploded view of pull rod 10.If Fig. 9-11 shows, pull rod 10 is wrapped Handle assembly 13, transmission component 14, inner tube 15, outer tube 16 and gear component 15 are included, inner tube 15 includes integrally formed top Transverse tube 151 and two sides standpipe 152, transmission component 14 is installed in inner tube 15, and the top that handle 13 is installed on inner tube 15 is horizontal Outside pipe 151, the standpipe 152 of 15 two sides of inner tube is respectively accommodated in two outer tubes 16, and gear component 15 is installed on the bottom of outer tube 16 Portion simultaneously cooperates with transmission component 14, and handle 13 and transmission component 14 link and transported by 14 drive hyte part 15 of transmission component It is dynamic, so that pull rod 10 is respectively at handle position, carries out position or line position is drawn to set.Since inner tube 15 is that an integration is curved Pipe, it is not easy to break, and conventional whip is linked using two tubes by a crossbeam, then is easily broken off.

Specifically, handle 13 includes upper handle portion 131 and handle lower part 132, and upper handle portion 131 and handle lower part 132 are divided It is not installed on above and below the top transverse tube 151 of inner tube 15, and mutually fastens to hold the top transverse tube 151 of inner tube 15 It is contained in the inside of handle 13.Control key 17 is installed on the middle part of handle, and specifically, the middle part of upper handle portion 131 is equipped with control key Slot (not shown), control key 17 are contained in control keyway.

Transmission component 14 includes drive rod 141, turning drive block 142, steel wire 143 and transmission foot 144, drive rod 141 It is installed in the top transverse tube 151 of inner tube 15, the lower end of turning drive block 142 and the upper end of steel wire connect, turning drive block 142 Upper end and the end of drive rod 141 cooperate, steel wire 143 is installed in the standpipe 152 of inner tube 15 and connects transmission foot in lower end 144, the movement of drive rod 141 passes to steel wire 143 by turning drive block 142, so that transmission foot 144 be driven to move.

Do not extend out position, handle position, implementation position and the drawing line position that outer tube 16 is equipped with pull rod respectively from the bottom up are set Corresponding hole 161,162,163 and 164, the locating piece 152 of gear component 15 respectively with hole 161,162,163,164 cooperation to Position, handle position are not extended out, carries out position and line position is drawn to set so that pull rod is located at.

Gear component 15 includes reversing piece 151, locating piece 152, locating part 153 and the first elastic component 154, locating part 153 are equipped with locating part mounting groove 1531 along the vertical direction and are equipped with locating piece mounting groove 1532, reversing piece 151 in the horizontal direction It is installed on the following table face contact of in the locating part mounting groove 1531 and upper end of reversing piece 151 and transmission hornblock 144, the first elastic component 154 and locating piece 152 is installed in locating piece mounting groove 1532 and the first elastic component 154 is located at the rear of locating piece 152, it positions Part 152 can be contained in the external protrusion of locating part 153 under the elastic force effect of the first elastic component 154 respectively with do not stretch Out position, handle position carry out position or line position are drawn to set in the hole 161,162,163,164 of corresponding outer tube 16.

The lower end of reversing piece 151 is equipped with guiding surface 1511, and locating piece 152 is equipped with the commutation inclined-plane cooperated with guiding surface 1521, when reversing piece 151 moves downward, guiding surface 1511 and commutation inclined-plane 1521 cooperation to force locating piece 152 to The inside of locating part 153 is retracted in movement afterwards.

Gear component 15 further includes the second elastic component 155 and end socket part 156, and end socket part 156 is fixedly installed in outer tube 16 The inside of lower end, the upper end of the second elastic component 155 is contacted with the bottom surface of locating part 153 and support stopper 153, the second elasticity The lower end of part 155 is installed on end socket part 156.Specifically, the fourth end face of end socket part 156 is equipped with protrusion 1561, the second bullet Property part 155 is installed on protrusion 1561.

With continued reference to Figure 10-11, reversing piece 151 is equipped with the guide groove 1513 extended along the vertical direction, and guide groove 1513 is logical It crosses pin 1514 to be mounted in the reversing piece mounting groove 1531 of locating part 153, reversing piece 151 can be slided up and down along pin 1514.Commutation The side of part 151 is equipped with limited step 1512, and the baffle 1533 in limited step 1512 and locating part 153 cooperates, so that commutation Part 151 can only carry out the vertical motion of certain distance, the depth of stroke, that is, guide groove 1531 of the movement in locating part 153.

The front end of locating piece 152 is equipped with protrusion 1522, and the size of the protrusion 1522 is not stretched on outer tube 16 with pull rod Out position, handle position carry out position and line position are drawn to set the corresponding cooperation of hole 161,162,163,164, thus in the first bullet It is able to enter in corresponding hole 161,162,163,164 under the driving of property part 154.

Figure 13-15 shows the connection status of pull rod 10 Yu cabinet 20.Figure 13 is the main view of trolley case 100, and Figure 14 is edge The cross-sectional view that the line A-A of Figure 13 is splitted, Figure 15 are the cross-sectional views splitted along the line K-K of Figure 13.As illustrated in figs. 13-15, pull rod 10 Screw 32 by passing through superposed screw 31 respectively and positioned at lower part is fixed in cabinet 20, wherein the screw on top 31 by being fixed on steady brace in cabinet for outer tube 16, and the screw 32 of lower part is solid by the way that fixing piece 157 to be fixed in cabinet Determine pull rod.

For pull rod in when not extending out position, the protrusion 1522 of locating piece 152 is contained in the first hole 161 on outer tube 16 It is interior, when needing pull rod being drawn out to handle position, control key 17 is pressed, driving drive rod 141 moves downward, which passes through Steel wire 143 passes to transmission foot 144, and transmission foot 144 presses down on reversing piece 151, and reversing piece 151 moves downward and passes through guiding Inclined-plane 1511 moves backward with the contact elastic force that forces reversing piece 152 to overcome the first elastic component 154 on commutation inclined-plane 1521, from the It exits and is returned in locating part 153 in one hole 161, entirely limited under the upward elastic force effect of the second elastic component 155 at this time Part moves upwards, and inner tube 15 is pushed to move upwards, until the protrusion 1522 of reversing piece 152 move to outer tube 16 and handle Corresponding second hole 162 in position, protrusion 1522 protrudes into limit in the second hole 162 at this time, and pull rod is in handle position, Bu Nengzai It continues up, holds handle 13 at this time, trolley case 100 can be lifted, handle 13 plays the role of trolley case handle.

When needing pushing drawing rod case, control key 17 is pressed again, and driving drive rod 141 moves downward, which passes through steel Line 143 passes to transmission foot 144, and transmission foot 144 presses down on reversing piece 151, and reversing piece 151 moves downward and by being oriented to tiltedly Face 1511 moves backward with the elastic force that the contact on commutation inclined-plane 1521 forces reversing piece 152 to overcome the first elastic component 154, from second It exits and is returned in locating part 153 in hole 161, can pull up handle at this time continues up pull rod, Zhi Daohuan The third hole 163 corresponding with position is carried out of outer tube 16 is moved to the protrusion 1522 of part 152, protrusion 1522 protrudes at this time It is limited in third hole 163, pull rod, which is in, draws line position to set, and cannot be further continued for moving upwards, be convenient for pushing drawing rod case at this time.,

When need to transform on pull rod draw line position set when, operating method and principle are identical as above method, herein no longer It repeats.

In addition, passing through description above it is clear that in the present embodiment, the top cross bar 12 of pull rod 10 includes handle Hand 13, drive rod 141, turning drive block 142 and inner tube 15 top transverse tube 151, and vertical bar 11 includes inner tube 15 in extension Vertical tube 152, outer tube 16 and the part being contained in outer tube 16 and vertical tube 152.

Compare more preferably scheme as a kind of, the first elastic component and the second elasticity in above-described embodiment can be spring. It will be appreciated, however, by one skilled in the art that the first elastic component and the second elastic component can also select it is commonly used in the art Other elastic devices.

Rod-pulling type luggage case of the invention, the vertical bar of pull rod is set to the two sides of box frame, while pull rod has handle Position carries out position and line position is drawn to set, and at handle position, pull rod can be directly used as handle, so that cabinet does not need again separately Luggage case handle is assembled, simplifies design, while carrying out position convenient for the implementation of cabinet, three level positions are convenient for luggage case drawing Row.

Presently preferred embodiments of the present invention has already been described in detail above, it is understood that having read of the invention above-mentioned say After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this Apply for the appended claims limited range.

Claims

1. a kind of trolley case, including cabinet and pull rod, which is characterized in that the pull rod is stretched out according to the pull rod from the cabinet Length difference successively have handle position, carry out position and draw line position set, when the pull rod is in the handle position, The cabinet can be lifted by the pull rod.

2. trolley case according to claim 1, which is characterized in that the cabinet include box frame and be located at the case The front panel of body frame front face and rear panel positioned at the box frame rear surface, the pull rod include cross bar and vertical bar, The cross bar is located at the top of the box frame and the vertical bar is located at the box frame two sides.

In one embodiment, the front panel and rear panel be detachably connected to the box frame front surface and rear table Face.

In one embodiment, the box frame includes mutually independent first part and second part, the first part It is rotatably coupled between second part by hinge.

In one embodiment, the thickness of the box frame first part is greater than the thickness of the box frame second part, The pull rod is set in the first part of the box frame, wherein the vertical bar is set to the first of the box frame Partial two sides, the cross bar are set to the top of the first part of the box frame.

In one embodiment, the pull rod is arranged to when the pull rod is in the handle position, and the pull rod is from described The first length stretched out in cabinet is most short.

In one embodiment, the pull rod is arranged to when the pull rod is in the drawing line position and sets, and the pull rod is from described The third length longest stretched out in cabinet.

In one embodiment, the pull rod is arranged to when the pull rod is in the implementation position, and the pull rod is from described The second length stretched out in cabinet is between first length and the third length.

3. trolley case according to claim 1, which is characterized in that the pull rod is equipped with control key, by operating the control Key processed makes the pull rod be in the handle position, carries out position or line position is drawn to set.

In one embodiment, the pull rod includes the vertical bar of top cross bar and two sides, and the control key is set to the top On portion's cross bar.

In one embodiment, the control key is arranged to operate by way of pressing.

In one embodiment, the pull rod is arranged to when the pull rod is not pulled out from the cabinet, and the pull rod is completely embedding Enter in the cabinet.

In one embodiment, the pull rod is arranged to press the control key when the pull rod is not pulled out from the cabinet, The pull rod is moved to the handle position, presses the control key again, the pull rod is mobile from the handle position To the implementation position, the control key is pressed again, and the pull rod is drawn to the drawing line position from the implementation position and is set.

4. trolley case according to claim 1, which is characterized in that the pull rod includes handle assembly, transmission component, interior Pipe, outer tube and gear component, said inner tube include the transverse tube at top and the standpipe of two sides, and the transmission component is installed on described In inner tube, the handle is installed on outside the top transverse tube of said inner tube, and the standpipe of said inner tube two sides is respectively accommodated in outside two In pipe, the gear component is installed on the bottom of the outer tube and cooperates with the transmission component, the handle and the transmission Component, which links and passes through the transmission component, drives the gear component movement, so that the pull rod is respectively at handle position It sets, carry out position or line position is drawn to set.

5. trolley case according to claim 4, which is characterized in that the handle includes mutually independent upper handle portion and handle Subordinate portion, the upper handle portion and handle lower part are respectively arranged in above and below the top transverse tube of said inner tube, and mutually It fastens for the top riser of said inner tube to be contained in inside the handle.

6. trolley case according to claim 4, which is characterized in that the transmission component include drive rod, turning drive block, Steel wire and transmission foot, the drive rod are installed in the top transverse tube of said inner tube, the lower end of the turning drive block and institute The upper end connection of steel wire is stated, the upper end of the turning drive block and the end of the drive rod cooperate, and the steel wire is installed on institute It states in inner tube and connects the transmission foot in lower end, the movement of the drive rod passes to the steel by the turning drive block Line, so that the transmission foot be driven to move.

7. trolley case according to claim 4, which is characterized in that the gear component includes reversing piece, locating piece, limit Part and the first elastic component, the locating part are equipped with locating part mounting groove along the vertical direction and are equipped with locating piece in the horizontal direction Mounting groove, the reversing piece are installed in the locating part mounting groove and under the upper end of the reversing piece and the transmission hornblock Surface contact, first elastic component and locating piece are installed in the locating piece mounting groove and first elastic component is located at institute The rear of locating piece is stated, the locating piece can be convex to the outside of the locating part under the elastic force effect of first elastic component It is set in corresponding hole with the handle position, implementation position or drawing line position respectively to be contained in out.

8. trolley case according to claim 7, which is characterized in that the outer tube be equipped with respectively with the handle position, push away Line position sets and draws line position to set corresponding hole, and the locating part cooperates from the different hole so that the pull rod is located at institute Handle position is stated, carries out position and line position is drawn to set.

9. trolley case according to claim 8, which is characterized in that the lower end of the reversing piece is equipped with guiding surface, described Locating piece is equipped with the commutation inclined-plane that cooperate with the guiding surface, when the reversing piece moves downward, the guiding surface and The commutation inclined-plane cooperation is to force the locating piece to move the inside for retracting the locating part backward.

10. trolley case according to claim 7, which is characterized in that the gear component further include the second elastic component and End socket part, the end socket part are fixedly installed in the inside of the outer tube lower end, the upper end of second elastic component and the limit Part contacts and supports the locating part, and the lower end of second elastic component is installed on the end socket part.

In one embodiment, first elastic component and second elasticity are spring.

In one embodiment, the inside of the cabinet is additionally provided with pull rod fixing piece, the pull rod fixing piece and the end socket part It is fixedly connected with and is fixed on the bottom end of the pull rod inside of the cabinet.