CN211269010U - Pull rod fixing device and suitcase - Google Patents

Abstract

The utility model relates to the technical field of luggage cases, in particular to a pull rod fixing device and a luggage case, which comprises an installation shell, a positioning piece and a control rod, wherein one end of the positioning piece is provided with a positioning button, a first elastic piece is arranged between the other end of the positioning piece and the installation shell, the installation shell is provided with a limiting groove, the positioning piece is provided with a moving groove, the control rod sequentially penetrates through the limiting groove and the moving groove, and the control rod is in sliding connection with the inner wall of the limiting groove and the inner wall of the moving groove; one side of control lever is provided with the spout, and the opposite side of control lever is equipped with first inclined plane, and the one end of shifting chute is equipped with the stopper, and the other end of shifting chute is equipped with first inclined plane complex second inclined plane, and the spout is used for assembling the stopper, stopper and one side butt of control lever. The utility model provides a pair of pull rod fixing device and suitcase through increasing pull rod fixing device to better fix the pull rod when the pull rod is elongated, prevent that the pull rod from shortening automatically.

Description

Pull rod fixing device and suitcase

Technical Field

The utility model belongs to the technical field of the suitcase technique and specifically relates to indicate a pull rod fixing device and suitcase.

Background

The suitcase is the required luggage storage piece of people's daily trip, and the characteristics of suitcase just lie in that it can drag the suitcase walking through pulling the pull rod, uses manpower sparingly, so the good or bad of suitcase has very big part reason to depend on the design of pull rod. The pull rod among the prior art, it comprises two sections telescopic links basically, lengthen the pull rod when needing, alright drag the suitcase, however, the junction of current pull rod is basically just through setting up a location knob, the location knob blocks the flexible end of pull rod, thereby prevent that the pull rod from shortening automatically, however, this kind of design is fixed pull rod to a certain extent, but in fact, the fixed action of location knob is not strong, the pull rod still has very big probably to shorten automatically, lead to the user often to stimulate the pull rod from top to bottom, it is inevitable to cause inconvenience.

Disclosure of Invention

The utility model discloses problem to prior art provides a pull rod fixing device and suitcase, through increasing pull rod fixing device to better fix the pull rod when the pull rod is elongated, prevent that the pull rod from shortening automatically.

In order to solve the technical problem, the utility model discloses a following technical scheme: a pull rod fixing device comprises an installation shell, a positioning piece movably arranged in the installation shell and a control rod in sliding connection with the positioning piece, wherein a positioning button is arranged at one end of the positioning piece, a first elastic piece is arranged between the other end of the positioning piece and the installation shell, a limiting groove is formed in the installation shell, a moving groove is formed in the positioning piece, the control rod sequentially penetrates through the limiting groove and the moving groove, and the control rod is in sliding connection with the inner wall of the limiting groove and the inner wall of the moving groove; one side of control lever is provided with the spout, and the opposite side of control lever is equipped with first inclined plane, the one end of shifting chute is equipped with the stopper, the other end of shifting chute be equipped with first inclined plane complex second inclined plane, the spout is used for assembling the stopper, the stopper is contradicted with one side of control lever.

Preferably, the two ends of the sliding groove are provided with a third inclined surface and a fourth inclined surface, and the limiting block is provided with a fifth inclined surface matched with the third inclined surface and a sixth inclined surface matched with the fourth inclined surface.

Preferably, the top of control lever is equipped with the dog, and the periphery cover of control lever is equipped with the second elastic component, the both ends of second elastic component are contradicted with dog and installation shell respectively.

Preferably, the control rod is provided with a clamping block, the mounting shell is provided with a clamping groove, and the clamping block is assembled in the clamping groove.

Preferably, the locating piece is provided with a mounting groove, one end of the first elastic piece is arranged in the mounting groove and connected with the inner wall of the mounting groove, and the other end of the first elastic piece is connected with the inner wall of the mounting shell.

The utility model provides a luggage case, includes the box and connects in the pull rod of box, the pull rod is installed in the box, the pull rod include first pole and with first pole sliding connection's second pole, pull rod fixing device installs in the bottom of first pole, the trompil that supplies the location knob to wear to establish is seted up to the second pole, pull rod fixing device slides and sets up in the second pole.

Preferably, the installation shell includes inner shell and shell, the inner shell is equipped with the retaining ring, the bottom and the retaining ring butt of first pole, first pole is installed between inner shell and shell, shell and inner shell all with second pole sliding connection.

Preferably, two sides of the first rod are provided with first grooves, two sides of the second rod are provided with second grooves, and two sides of the outer shell and two sides of the inner shell are provided with third grooves and fourth grooves respectively; the second rod, the installation shell and the first rod are sequentially stacked from outside to inside, during stacking, the second groove of the second rod is simultaneously embedded in the fourth groove of the inner shell and the third groove of the outer shell, the outer shell is arranged on the periphery of the first rod, the third groove of the outer shell is embedded in the first groove of the first rod, and the second groove is embedded in the third groove and the fourth groove.

The utility model has the advantages that:

the utility model provides a pull rod fixing device and a luggage case, the pull rod fixing device is arranged on a pull rod, after a first rod and a second rod of the pull rod are extended, a positioning button of a positioning piece is assembled in a hole, so that the first rod and the second rod are fixed, and the first rod is not easy to slide down; when needs slide first pole, the user pushes down the button at pull rod top after, because stopper and control lever butt, then need the user to push down first pole hard, push down the control lever with doing all can, make the control lever gliding, promote the first elastic component of setting element compression when the control lever gliding, the in-process stopper of the first elastic component of setting element compression moves gradually to the spout of control lever in, thereby the stopper no longer butts the control lever, the locating button shifts out the trompil, then the slip that first pole can be smooth, and then the pull rod shortens. This pull rod fixing device makes stopper and control lever butt to increase the frictional force between stopper and the control lever, then increase the degree of difficulty that the setting element removed, just also increased the degree of difficulty that the locating button shifts out the trompil, thereby can prevent first pole self-sliding effectively, the problem that the pull rod shortens automatically appears.

Drawings

Fig. 1 is a schematic structural view of the pull rod fixing device of the present invention.

Fig. 2 is an exploded schematic view of the pull rod fixing device of the present invention.

Fig. 3 is a schematic view of a connection structure of the fixing member and the control rod of the present invention.

Fig. 4 is a cross-sectional view at a-a in fig. 3.

Fig. 5 is a schematic structural diagram of the fixing member of the present invention.

Fig. 6 is a schematic structural diagram of the inner shell of the present invention.

Fig. 7 is a schematic structural diagram of the luggage of the present invention.

Fig. 8 is a schematic structural view of the pull rod of the present invention.

Fig. 9 is an exploded schematic view of the pull rod of the present invention.

Fig. 10 is an enlarged view of fig. 9 at a.

The reference numerals in fig. 1 to 10 include:

1-an installation shell, 11-a limiting groove, 12-a clamping groove, 13-an inner shell, 14-an outer shell, 15-a retaining ring, 16-a first groove, 17-a second groove, 18-a third groove, 19-a fourth groove, 2-a positioning element, 21-a moving groove, 22-a limiting block, 23-a second inclined plane, 24-a fifth inclined plane, 25-a sixth inclined plane, 26-an installation groove, 3-a control rod, 31-a sliding groove, 32-a first inclined plane, 33-a third inclined plane, 34-a fourth inclined plane, 35-a stop block, 36-a clamping block, 4-a positioning button, 5-a first elastic element, 6-a second elastic element, 7-a box body, 8-a pull rod, 81-a first rod, 82-a second rod and 83-an opening hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

The pull rod fixing device provided by the embodiment, as shown in fig. 1 to 4, includes a mounting shell 1, a positioning member 2 movably mounted in the mounting shell 1, and a control rod 3 slidably connected to the positioning member 2, wherein one end of the positioning member 2 is provided with a positioning button 4, a first elastic member 5 is mounted between the other end of the positioning member 2 and the mounting shell 1, the mounting shell 1 is provided with a limiting groove 11, the positioning member 2 is provided with a moving groove 21, the control rod 3 sequentially penetrates through the limiting groove 11 and the moving groove 21, and the control rod 3 is slidably connected to an inner wall of the limiting groove 11 and an inner wall of the moving groove 21; a sliding groove 31 is formed in one side of the control rod 3, a first inclined surface 32 is formed in the other side of the control rod 3, a limiting block 22 is arranged at one end of the moving groove 21, a second inclined surface 23 matched with the first inclined surface 32 is formed in the other end of the moving groove 21, the sliding groove 31 is used for assembling the limiting block 22, and the limiting block 22 is abutted to one side of the control rod 3; preferably, a third inclined surface 33 and a fourth inclined surface 34 are arranged at two ends of the sliding groove 31, and the limiting block 22 is provided with a fifth inclined surface 24 matched with the third inclined surface 33 and a sixth inclined surface 25 matched with the fourth inclined surface 34.

Specifically, the working principle of the pull rod fixing device is as follows: when the stopper 22 is not assembled in the sliding slot 31 and is located below the sliding slot 31, under the action of the elastic force of the first elastic member 5, the tip (bottom) of the second inclined surface 23 and the stopper 22 are always abutted to two side walls of the control rod 3, the stopper 22 and the second inclined surface 23 respectively have a certain relative friction force with the control rod 3 (a certain relative friction force is provided between the positioning member 2 and the control rod 3), and the positioning knob 4 protrudes into the opening 83 of the second rod 82 to lock and fix the first rod 81 on the second rod 82, at this time, the stopper 22 cannot move into the sliding slot 31 without the assistance of an external force, that is, the position of the positioning member 2 cannot move, and the first rod 81 and the second rod 82 keep a locked and fixed state; when the locking of the first rod 81 and the second rod 82 needs to be released (the extension and retraction of the first rod 81 and the second rod 82 are adjusted), the control rod 3 is pressed downwards with force, so that the control rod 3 moves downwards, the limiting block 22 moves upwards relative to the control rod 3, when the first inclined surface 32 of the control rod 3 abuts against the second inclined surface 23, and the sliding groove 31 of the control rod 3 moves to the position shown in fig. 4, the sliding groove 31 provides a displacement space for the positioning element 2, the first inclined surface 32 moving downwards presses the second inclined surface 23, under the sliding cooperation effect of the first inclined surface 32 and the second inclined surface 23, the second inclined surface 23 moves in the direction of compressing the first elastic element 5, namely, the positioning element 2 compresses the first elastic element 5, and at this time, the positioning button 4 moves out of the opening 83 of the second rod 82, so as to unlock the first rod 81 and the second rod 82; the control rod 3 is arranged in the limiting groove 11, and the limiting groove 11 guides and limits the control rod 2, so that the control rod 3 can only move up and down, and the up-and-down movement stability of the control rod 2 is improved; when the first rod 81 and the second rod 82 need to be locked and fastened again, only the control rod 3 needs to be moved upwards, so that the chute 31 of the control rod 3 is moved away from the limiting block 22, the positioning element 2 moves in the direction away from the first elastic element 5 under the action of the elastic force of the first elastic element 5, the tip end (bottom) of the second inclined surface 23 and the limiting block 22 are abutted against two side walls of the control rod 3 again, the limiting block 22 and the second inclined surface 23 respectively have certain relative friction force with the control rod 3 (certain relative friction force exists between the positioning element 2 and the control rod 3), and the positioning knob 4 protrudes into the opening 83 of the second rod 82 again; the third inclined surface 33 is matched with the fifth inclined surface 24, and the fourth inclined surface 34 is matched with the sixth inclined surface 25, so that the limiting block 22 can move into the sliding groove 31 or move out of the sliding groove 31. This pull rod fixing device is provided with spout 31 through control lever 3 and provides the removal space for setting element 2, and first elastic component 5 provides the elastic force to setting element 2 all the time for under the circumstances that has the demand, through the assistance of external force, setting element 2 can remove about, stopper 22 can remove or shift out spout 31, thereby makes location knob 4 remove or shift into trompil 83 of second pole 82. In practical application, the pull rod fixing device can be used in a telescopic rod and used for locking and fixing the telescopic rod in a telescopic way, such as telescopic fixing of a pull rod 8 of a luggage case.

The pull rod fixing device provided by the embodiment is as shown in fig. 2 and 4, a stop block 35 is arranged at the top of the control rod 3, a second elastic piece 6 is sleeved on the periphery of the control rod 3, and two ends of the second elastic piece 6 are respectively abutted to the stop block 35 and the mounting shell 1. Specifically, when no downward force is applied to the control rod 3, the control rod 3 is pushed to move upwards through the elastic recovery action of the second elastic piece 6, and the operation is simple and convenient.

According to the drawbar fixing device and the luggage box provided by the embodiment, as shown in fig. 4 and 6, the control rod 3 is provided with a clamping block 36, the mounting shell 1 is provided with a clamping groove 12, and the clamping block 36 is assembled in the clamping groove 12. Specifically, the provision of the latch 36 prevents the control lever 3 from being detached from the mounting case 1.

In the pull rod fixing device provided in this embodiment, as shown in fig. 4 and fig. 5, the positioning member 2 is provided with a mounting groove 26, one end of the first elastic member 5 is disposed in the mounting groove 26 and connected to an inner wall of the mounting groove 26, and the other end of the first elastic member 5 is connected to an inner wall of the mounting shell 1. Specifically, set up mounting groove 26, install first elastic component 5 in mounting groove 26, can carry on spacingly to first elastic component 5, be convenient for install first elastic component 5, guaranteed the stability of first elastic component 5, prevent that first elastic component 5 misplaces and influence the normal work of setting element 2.

The luggage case provided in this embodiment, as shown in fig. 7 to 10, includes a case body 7, a pull rod 8 connected to the case body 7, and a pull rod fixing device, wherein the pull rod 8 includes a first rod 81 and a second rod 82 slidably connected to the first rod 81, the pull rod 8 is installed in the case body 7, the pull rod fixing device is installed at the bottom of the first rod 81, the second rod 82 is provided with an opening 83 for the positioning button 4 to penetrate through, and the pull rod fixing device is slidably disposed in the second rod 82.

Specifically, the first rod 81 slides upwards until the positioning button 4 is fitted into the opening 83, so that the relative positions of the first rod 81 and the second rod 82 are fixed, and the positioning button 4 cannot move out of the opening 83 under the limiting action of the pull rod fixing device, so that the pull rod 8 cannot be shortened, and the situation that the user frequently pulls out the pull rod 8 again due to the automatic shortening of the pull rod 8 is prevented.

According to the luggage case provided by the embodiment, as shown in fig. 2, 6, 9 and 10, the mounting shell 1 includes an inner shell 13 and an outer shell 14, the inner shell 13 is provided with a retaining ring 15, the bottom of the first rod 81 abuts against the retaining ring 15, the first rod 81 is mounted between the inner shell 13 and the outer shell 14, so that the inner shell 13 and the outer shell 14 are buckled to be mounted on the first rod 81, and both the outer shell 14 and the inner shell 13 are slidably connected with the second rod 82.

Specifically, the first rod 81 abuts against the retainer ring 15, so that the first rod 81 can drive the mounting shell 1 to move downwards when moving downwards, and the pull rod fixing device and the first rod 81 can be ensured to move synchronously.

In the luggage case provided by this embodiment, as shown in fig. 2 and fig. 10, the first rod 81 is provided with a first groove 16 on both sides, the second rod 82 is provided with a second groove 17 on both sides, and the outer shell 14 and the inner shell 13 are provided with a third groove 18 and a fourth groove 19 on both sides, respectively; the second rod 82, the installation shell 1 and the first rod 81 are sequentially stacked from outside to inside, when the first rod 82, the second groove 17 of the second rod 82 is simultaneously embedded in the fourth groove 19 of the inner shell 13 and the third groove 18 of the outer shell 14, the outer shell 14 is sleeved on the periphery of the first rod 81, the third groove 18 of the outer shell 14 is embedded in the first groove 16 of the first rod 81, and the second groove 17 is embedded in the third groove 18 and the fourth groove 19.

Specifically, the second rod 82, the mounting shell 1 and the first rod 81 are sequentially stacked from outside to inside, and during stacking, the third groove 18 is embedded in the first groove 16 to limit the outer shell 14, and the second groove 17 is embedded in the fourth groove 19 to limit the position relationship between the inner shell 13 and the second rod 82, so that the first rod 81 and the second rod 82 or the second rod 82 and the mounting shell 1 are prevented from being unsmooth in sliding due to dislocation.

The first elastic member 5 and the second elastic member 6 in the present invention preferably adopt springs.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims (8)

1. A pull rod fixing device is characterized in that: the positioning device comprises an installation shell, a positioning piece movably arranged in the installation shell and a control rod in sliding connection with the positioning piece, wherein one end of the positioning piece is provided with a positioning button, a first elastic piece is arranged between the other end of the positioning piece and the installation shell, the installation shell is provided with a limiting groove, the positioning piece is provided with a moving groove, the control rod sequentially penetrates through the limiting groove and the moving groove, and the control rod is in sliding connection with the inner wall of the limiting groove and the inner wall of the moving groove; one side of control lever is provided with the spout, and the opposite side of control lever is equipped with first inclined plane, the one end of shifting chute is equipped with the stopper, the other end of shifting chute be equipped with first inclined plane complex second inclined plane, the spout is used for assembling the stopper, the stopper is contradicted with one side of control lever.

2. The tie rod securing device of claim 1, wherein: the both ends of spout are equipped with third inclined plane and fourth inclined plane, the stopper be equipped with be used for with third inclined plane complex fifth inclined plane and with fourth inclined plane complex sixth inclined plane.

3. The tie rod securing device of claim 1, wherein: the top of control lever is equipped with the dog, and the periphery cover of control lever is equipped with the second elastic component, the both ends of second elastic component are contradicted with dog and installation shell respectively.

4. The tie rod securing device of claim 1, wherein: the control rod is provided with a clamping block, the mounting shell is provided with a clamping groove, and the clamping block is assembled in the clamping groove.

5. The tie rod securing device of claim 1, wherein: the setting element is equipped with the mounting groove, the one end of first elastic component is located in the mounting groove and with the interior wall connection of mounting groove, the other end of first elastic component and the interior wall connection of installation shell.

6. The utility model provides a luggage case, includes the box and connects in the pull rod of box, its characterized in that: the pull rod fixing device of any one of claims 1 to 5, wherein the pull rod is installed in the box body and comprises a first rod and a second rod slidably connected with the first rod, the pull rod fixing device is installed at the bottom of the first rod, the second rod is provided with an opening through which the positioning button passes, and the pull rod fixing device is slidably arranged in the second rod.

7. An article of luggage as claimed in claim 6, wherein: the installation shell includes inner shell and shell, the inner shell is equipped with the retaining ring, the bottom and the retaining ring butt of first pole, first pole is installed between inner shell and shell, shell and inner shell all with second pole sliding connection.

8. An article of luggage as claimed in claim 7, wherein: two sides of the first rod are provided with first grooves, two sides of the second rod are provided with second grooves, and two sides of the outer shell and two sides of the inner shell are provided with third grooves and fourth grooves respectively; the second rod, the installation shell and the first rod are sequentially stacked from outside to inside, during stacking, the second groove of the second rod is simultaneously embedded in the fourth groove of the inner shell and the third groove of the outer shell, the outer shell is arranged on the periphery of the first rod, the third groove of the outer shell is embedded in the first groove of the first rod, and the second groove is embedded in the third groove and the fourth groove.

Images