阅读说明：本技术 一种容量可调式行李箱 (Suitcase with adjustable capacity ) 是由 官晓冰 于 2021-03-24 设计创作，主要内容包括：本发明涉及一种容量可调式行李箱,所述容量可调式行李箱包括第一壳体及第二壳体,所述第一壳体与第二壳体通过锁扣固定,所述第二壳体远离所述第一壳体的一侧插放有延伸壳体,且所述延伸壳体通过锁止机构与所述第二壳体固定；所述第一壳体远离所述第二壳体的一侧固定有两个相对设置的安装板,两个所述安装板之间通过连接轴转动安装有两个支腿,且所述支腿远离所述连接轴的一端安装有滚轮,所述第一壳体上还通过两个伸缩拉杆固定有第二把手,所述第二把手朝向所述第一壳体的一侧活动安装有牵引组件,所述牵引组件上固定有齿条板,所述齿条板与固定在所述连接轴上的齿轮啮合。延伸壳体可相对第二壳体滑动,改变行李箱内的容积,以实现扩容目的。(The invention relates to a capacity-adjustable luggage case which comprises a first shell and a second shell, wherein the first shell and the second shell are fixed through a lock catch, an extension shell is inserted into one side, far away from the first shell, of the second shell, and the extension shell is fixed with the second shell through a locking mechanism; keep away from first casing one side of second casing is fixed with the mounting panel of two relative settings, two rotate through the connecting axle between the mounting panel and install two landing legs, just the landing leg is kept away from the gyro wheel is installed to the one end of connecting axle, still be fixed with the second handle through two telescopic pull rods on the first casing, the second handle orientation one side movable mounting of first casing has the subassembly of pulling, it is fixed with the rack board on the subassembly to pull, the rack board with fix epaxial gear engagement. The extension shell can slide relative to the second shell to change the volume in the luggage case, so as to realize the purpose of capacity expansion.)

1. The luggage case with the adjustable capacity is characterized by comprising a first shell (1) and a second shell (2), wherein the first shell (1) and the second shell (2) are fixed through a lock catch (3), an extension shell (4) is inserted into one side, away from the first shell (1), of the second shell (2), the extension shell (4) is fixed with the second shell (2) through a locking mechanism, and when the locking mechanism is in an unlocking state, the extension shell (4) can slide relative to the second shell (2);

keep away from first casing (1) one side of second casing (2) is fixed with mounting panel (11) of two relative settings, two rotate through connecting axle (14) between mounting panel (11) and install two landing legs (15), just landing leg (15) are kept away from the one end of connecting axle (14) is installed gyro wheel (16), still be fixed with second handle (23) through two flexible pull rod (10) on first casing (1), second handle (23) orientation one side movable mounting of first casing (1) has the subassembly of pulling, be fixed with rack plate (12) on the subassembly of pulling, rack plate (12) with fix gear (24) meshing on connecting axle (14), when pulling the subassembly atress towards when second handle (23) remove to drive rack plate (12) drive gear (24) and rotate, the gear (24) drives the supporting legs (15) to be unfolded through the connecting shaft (14).

2. The luggage case with adjustable capacity of claim 1, wherein the traction assembly comprises a fixed plate (20) fixedly connected with the rack plate (12) and a telescopic rod (19) fixedly connected with the fixed plate (20), the fixed plate (20) is slidably connected with the two telescopic rods (10) through two first guide assemblies (17), and a second spring (18) is installed between the fixed plate (20) and the first guide assemblies (17);

one end of the telescopic rod (19) far away from the fixing plate (20) is fixedly provided with a first handle (21), and the first handle (21) is movably connected with a second handle (23) through a second guide component (22).

3. The luggage case with adjustable capacity of claim 2, wherein the first guiding assembly (17) comprises a first guiding rod and a first sliding sleeve sleeved on the first guiding rod and fixedly connected with the fixing plate (20), two ends of the first guiding rod are respectively and fixedly connected with an extending block fixed on the telescopic pull rod (10), and the second spring (18) is installed between the extending block and the fixing plate (20).

4. The suitcase with adjustable capacity according to claim 2, characterized in that the second guiding assembly (22) comprises two second guiding rods fixed on the second handle (23) and a second sliding sleeve sleeved on the second guiding rods and fixedly connected with the first handle (21).

5. The luggage case with adjustable capacity of claim 1, wherein the locking mechanism comprises a plurality of fixing rods (7) fixed on the extension housing (4), two fixing rods (7) are arranged on one side of the extension housing (4), and a plurality of clamping grooves (8) are arranged on the fixing rods (7) and are distributed at equal intervals, and the clamping grooves (8) are matched with the clamping components movably arranged on the second housing (2).

6. The luggage case with adjustable capacity of claim 5, wherein the buckle assembly comprises a U-shaped frame (5) sliding in a U-shaped groove arranged on the second shell (2), a through groove (6) for a fixing rod (7) to penetrate through is arranged on the U-shaped frame (5), and a clamping block (25) is arranged on one side, facing the clamping groove (8), of the through groove (6);

the U-shaped frame (5) is further connected with the second shell (2) through a first spring (9) fixedly connected with the U-shaped frame, and when the clamping block (25) is separated from the clamping groove (8), the first spring (9) is in a compression state.

7. The volume-adjustable luggage case as claimed in claim 6, wherein the length of the through slot (6) on the fixing rod (7) is equal to the sum of the thickness of the fixing rod (7) and the height of the clamping block (25).

8. The volume-adjustable luggage case as claimed in claim 1, wherein universal wheels (13) are mounted on the first housing (1) and the extension housing (4).

Technical Field

The invention relates to a luggage case, in particular to a luggage case with adjustable capacity.

Background

A trolley case refers to a luggage case having a trolley and rollers. It is widely used because of its convenient use. Meanwhile, the draw-bar box is also provided with a draw bar which is divided into a single-tube draw bar and a double-tube draw bar, and the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box is convenient to drag when walking, and the burden is greatly reduced. The draw-bar box can be carried by hand or dragged, and the wheels of the draw-bar box used by people in normal times are basically positioned at the bottom of the draw-bar box.

But the inboard capacity of current suitcase is fixed, and when the thing that needs carry was more, need adopt other trunks, and it is inconvenient to use, and current suitcase when the slope pulling, the action of force can be produced to flexible pull rod to the gravity of suitcase, influences life.

Disclosure of Invention

The present invention is directed to a volume-adjustable luggage case, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a luggage case with adjustable capacity comprises a first shell and a second shell, wherein the first shell and the second shell are fixed through a lock catch, an extension shell is inserted into one side, far away from the first shell, of the second shell, the extension shell is fixed with the second shell through a locking mechanism, and when the locking mechanism is in an unlocking state, the extension shell can slide relative to the second shell; keep away from first casing one side of second casing is fixed with the mounting panel of two relative settings, two rotate through the connecting axle between the mounting panel and install two landing legs, just the landing leg is kept away from the gyro wheel is installed to the one end of connecting axle, still be fixed with the second handle through two telescopic pull rods on the first casing, the second handle orientation one side movable mounting of first casing has the traction assembly, be fixed with the rack board on the traction assembly, the rack board with fix epaxial gear engagement connects epaxial gear engagement, when traction assembly atress orientation during the second handle removes to drive rack board drive gear and rotate, the gear drives the landing leg through the connecting axle and expandes.

As a further scheme of the invention: the traction assembly comprises a fixed plate fixedly connected with the rack plate and a telescopic rod fixedly connected with the fixed plate, the fixed plate is slidably connected with the two telescopic pull rods through two first guide assemblies, and a second spring is arranged between the fixed plate and the first guide assemblies;

one end of the telescopic rod, which is far away from the fixing plate, is fixed with a first handle, and the first handle is movably connected with the second handle through a second guide component.

As a still further scheme of the invention: first direction subassembly includes that first guide bar and cover establish on the first guide bar and with fixed plate fixed connection's first sliding sleeve, the both ends of first guide bar respectively with fix extension piece fixed connection on the flexible pull rod, the second spring mounting extend the piece with between the fixed plate.

As a still further scheme of the invention: the second guide assembly comprises two second guide rods fixed on the second handle and a second sliding sleeve sleeved on the second guide rods and fixedly connected with the first handle.

As a still further scheme of the invention: locking mechanism is including fixing a plurality of dead levers on the extension casing are located extend casing one side the dead lever is provided with two, just be provided with the draw-in groove that a plurality of equidistance distribute on the dead lever, draw-in groove and movable mounting be in buckle subassembly adaptation on the second casing.

As a still further scheme of the invention: the buckle assembly comprises a U-shaped frame which slides in a U-shaped groove formed in the second shell, a through groove for penetrating the fixing rod is formed in the U-shaped frame, and a clamping block is arranged on one side, facing the clamping groove, of the through groove;

the U-shaped frame is further connected with the second shell through a first spring fixedly connected with the U-shaped frame, and when the clamping block is separated from the clamping groove, the first spring is in a compressed state.

As a still further scheme of the invention: the length of the through groove on the fixing rod is equal to the sum of the thickness of the fixing rod and the height of the clamping block.

As a still further scheme of the invention: and universal wheels are arranged on the first shell and the extension shell.

Compared with the prior art, the invention has the beneficial effects that: the extension shell can slide relative to the second shell when the locking mechanism is in an unlocking state, so that the volume in the luggage case is changed, the capacity expansion purpose is realized, the traction mechanism drives the rack plate to move under the manual action, the gear rotates when the rack plate moves, the gear drives the connecting shaft to rotate, so that the supporting legs rotate, when a user obliquely pulls the luggage case, the rolling wheels on the supporting legs can contact with the ground to support the luggage case, the pressure of the telescopic pull rod is reduced, the service life is prolonged, and the practicability is high.

Drawings

FIG. 1 is a side view of a capacity-adjustable luggage case.

Fig. 2 is a rear view of the capacity-adjustable luggage case.

Fig. 3 is a cross-sectional view taken along the line a-a in fig. 2.

Fig. 4 is a schematic structural diagram of a U-shaped frame in a capacity-adjustable luggage case.

In the figure: 1-a first shell, 2-a second shell, 3-a lock catch, 4-an extension shell, 5-a U-shaped frame, 6-a connecting rod, 7-a fixed rod, 8-a clamping groove, 9-a first spring, 10-a telescopic pull rod, 11-a mounting plate, 12-a rack plate, 13-a universal wheel, 14-a connecting shaft, 15-a supporting leg, 16-a roller, 17-a first guide component, 18-a second spring, 19-a telescopic rod, 20-a fixed plate, 21-a first handle, 22-a second guide component, 23-a second handle, 24-a gear and 25-a clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in an embodiment of the present invention, a capacity-adjustable luggage includes a first casing 1 and a second casing 2, the first casing 1 and the second casing 2 are fixed by a lock catch 3, an extension casing 4 is inserted into a side of the second casing 2 away from the first casing 1, the extension casing 4 is fixed with the second casing 2 by a locking mechanism, and when the locking mechanism is in an unlocked state, the extension casing 4 can slide relative to the second casing 2; first casing 1 is kept away from one side of second casing 2 is fixed with two relative mounting panel 11 that set up, two rotate through connecting axle 14 between the mounting panel 11 and install two landing legs 15, just landing leg 15 is kept away from gyro wheel 16 is installed to the one end of connecting axle 14, still be fixed with second handle 23 through two flexible pull rods 10 on the first casing 1, second handle 23 orientation one side movable mounting of first casing 1 has the subassembly of pulling, it is fixed with rack plate 12 on the subassembly to pull, rack plate 12 with fix gear 24 meshing on the connecting axle 14 is when pulling the subassembly atress orientation during second handle 23 removes to drive rack plate 12 drive gear 24 and rotate, gear 24 drives landing leg 15 through connecting axle 14 and expandes.

In the embodiment of the invention, when the locking mechanism is in an unlocking state, the extension housing 4 can slide relative to the second housing 2, so that the volume in the luggage case is changed, and the capacity expansion purpose is realized, the traction mechanism is arranged to drive the rack plate 12 to move under the manual action, when the rack plate 12 moves, the gear 24 is driven to rotate, the gear 24 drives the connecting shaft 14 to rotate, so that the supporting legs 15 rotate, when a user obliquely pulls the luggage case, the rollers 16 on the supporting legs 15 can contact with the ground to support the luggage case, so that the pressure of the telescopic pull rod 10 is reduced, the service life is prolonged, and the practicability is high.

In the embodiment of the present invention, it should be noted that the lock catch 3 may adopt a commonly-used combination lock, and the unlocking is realized by pressing, which belongs to a commonly-used technical means, and therefore, the details of the lock catch 3 are not described herein.

As another embodiment of the present invention, the traction assembly includes a fixed plate 20 fixedly connected to the rack plate 12 and a telescopic rod 19 fixedly connected to the fixed plate 20, the fixed plate 20 is slidably connected to the two telescopic rods 10 through two first guide assemblies 17, and a second spring 18 is installed between the fixed plate 20 and the first guide assemblies 17;

a first handle 21 is fixed at one end of the telescopic rod 19 far away from the fixing plate 20, and the first handle 21 is movably connected with a second handle 23 through a second guide component 22.

In the embodiment of the invention, when the luggage case needs to be pulled obliquely, only the first handle 21 needs to be pulled manually to move towards the second handle 23, the first handle 21 drives the fixing plate 20 to move through the telescopic rod 19, so that the rack plate 12 is driven to move, the traction requirement is realized, meanwhile, the second spring 18 is deformed when the fixing plate 20 moves, and when the first handle 21 loses the pulling force, the second spring 18 is reset, so that the rack plate 12 and the first handle 21 are reset.

As another embodiment of the present invention, the first guiding assembly 17 includes a first guiding rod and a first sliding sleeve sleeved on the first guiding rod and fixedly connected to the fixing plate 20, two ends of the first guiding rod are respectively and fixedly connected to an extending block fixed on the telescopic pull rod 10, and the second spring 18 is installed between the extending block and the fixing plate 20.

In the embodiment of the invention, the guide effect on the movement of the fixed plate 20 is realized by the sliding fit of the arranged first guide rod and the first sliding sleeve, so that the stable movement of the fixed plate 20 is ensured.

As another embodiment of the present invention, the second guiding assembly 22 includes two second guiding rods fixed on the second handle 23 and a second sliding sleeve sleeved on the second guiding rods and fixedly connected to the first handle 21.

In the embodiment of the present invention, the second guiding rod is arranged to slidingly cooperate with the second sliding sleeve, so as to ensure that the first handle 21 can be moved in a fixed manner.

As another embodiment of the present invention, the locking mechanism includes a plurality of fixing rods 7 fixed on the extension housing 4, two fixing rods 7 are disposed on one side of the extension housing 4, and a plurality of clamping slots 8 are disposed on the fixing rods 7 and are distributed at equal intervals, and the clamping slots 8 are adapted to a buckle assembly movably mounted on the second housing 2.

In the embodiment of the invention, the position of the extension shell 4 after adjustment is fixed by the matching of the arranged buckle component and the plurality of clamping grooves 8, so that the stability after expansion adjustment is ensured.

As another embodiment of the present invention, the fastening assembly includes a U-shaped frame 5 sliding in a U-shaped groove provided on the second housing 2, a through groove 6 for a fixing rod 7 to penetrate through is provided on the U-shaped frame 5, and a clamping block 25 is provided on one side of the through groove 6 facing the clamping groove 8;

the U-shaped frame 5 is further connected with the second shell 2 through a first spring 9 fixedly connected with the U-shaped frame, and when the clamping block 25 is separated from the clamping groove 8, the first spring 9 is in a compressed state.

In the embodiment of the invention, when the capacity needs to be expanded, the U-shaped frame 5 is manually pulled to move, so that the clamping block 25 is separated from the current clamping groove 8, the first spring 9 is in a compressed state at the moment, then the extension shell 4 is pulled to move, after the required position is reached, the U-shaped frame 5 is loosened, and the U-shaped frame 5 is reset under the action of the first spring 9, so that the clamping block 25 is driven to be clamped in the current clamping groove 8, and the fixation is realized.

As another embodiment of the present invention, the length of the through slot 6 on the fixing rod 7 is equal to the sum of the thickness of the fixing rod 7 and the height of the fixture block 25.

In the embodiment of the present invention, the length of the through slot 6 is set to be equal to the sum of the thickness of the fixing rod 7 and the height of the fixture block 25, so that the fixture block 25 can be separated from the clamping slot 8 on one hand, and the U-shaped frame 5 can be prevented from being easily separated from the fixing rod 7 on the other hand.

As another embodiment of the present invention, universal wheels 13 are mounted on the first housing 1 and the extension housing 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.