CN201164134Y - Improved structure of foldable chair frame for suitcase - Google Patents

Abstract

The utility model provides an improved structure of a foldable chair frame of a suitcase, which is used for solving the problems of complex structure, time-consuming operation and inconvenience existing in the prior suitcase chair frame; the foldable chair frame comprises a main frame part, a seat plate and a supporting foot rest; the bottom of the seat board is provided with a positioning control component at a preset position, so that when the seat board is folded to be in a vertical angle state, the positioning control component can achieve a positioning folding state, and the positioning control component can achieve a positioning releasing state through a pulling button arranged at one side of the seat board; so that the supporting foot frame can assist the unfolding action through the assembly of the elastic component; through the structural design, the operation of the foldable chair frame can achieve practical progress which is simpler and more convenient and saves labor in operation.

Description

Structural Improvement of Expandable and Retractable Seat Frame of Suitcase

technical field

The utility model relates to a suitcase chair frame, in particular to an improved structure of an expandable and retractable chair frame of a suitcase.

Background technique

Due to the developed traffic nowadays, the number of trips of modern people is generally frequent, therefore, the suitcase occupies a quite general and extensive demand in the market.

In order to meet the diverse needs of consumers, related companies are constantly trying to develop luggage structures with additional functional value. Among them, the new structure with an expandable and retractable chair frame is one of the well-received designs. Through the expandable The chair frame, if the user encounters too many people at the airport or station during the journey and there is no seat to sit on, he can directly unfold the chair frame of the suitcase, which is quite suitable for the use of the suitcase.

The above-mentioned expandable and retractable chair frame must consider mobility and convenience in use, so the design of its structural action is quite important. As shown in Figures 1 and 2, the structure of the expandable and retractable chair frame 2 of the known luggage case 1 is very important. The shape and the unfolding action are as described later. It must first pull out the tripod 4 at the bottom to a predetermined angle, then rotate the seat cushion 3 down to the horizontal angle state, and then place a movable support 5. Pull it out so that the top of it can be supported against the seat cushion 3, so that the unfolding action of the retractable chair frame can be completed. Since this known design, from the perspective of the user, it must go through multiple procedures to complete the unfolding or retracting of the chair frame. The folding action makes the operation too complicated, time-consuming and inconvenient.

Simultaneously, because this kind of suitcase is especially subject to liking of old people and women users, if there is the problem of complex structure, time-consuming and inconvenient in the above-mentioned known structure in operation, it will obviously increase the inconvenience of users and not lack practicality.

Therefore, how to develop a more ideal and practical innovative structure for the problems existing in the above-mentioned expandable and retractable seat frame structure of the known luggage case is a goal and direction that the relevant industry should make more efforts to develop and break through.

Utility model content

The purpose of the utility model is to provide an improved structure of an expandable and retractable seat frame of a suitcase, so as to solve the problems of complex structure, time-consuming operation and inconvenient operation of the existing suitcase seat frame.

In order to accomplish the above object, the utility model adopts the following technical solutions:

The utility model provides an improved structure of an expandable and retractable chair frame of a suitcase. The expandable and retractable chair frame includes a main frame part, a seat plate and a supporting foot frame;

The main frame part has two vertical guide rods separated at intervals. The side of the seat plate corresponding to the main frame part is provided with a movable horizontal frame part. The opposite sides of the movable horizontal frame part are provided with sleeve parts which can be slid on respectively. Two vertical guide slide rods, the bottom of the seat plate is provided with a positioning control component at a predetermined position, the seat plate is in the state of being folded upright, the positioning control component achieves the positioning and folding state, and the positioning control component is assembled on the seat The detent button on one side of the board is in the position release state;

The supporting foot frame includes a first foot bar and a second foot bar that are mutually in a cross-shape pivot group, wherein the top end of the first foot bar is slidably connected to the side of the seat plate adjacent to the stop button, and the first foot bar The bottom end of the foot bar is pivotally connected to the bottom end of the main frame part, the top end of the second foot bar is pivotally connected to the bottom of the seat plate near the side of the vertical guide slide bar, and the bottom end of the second foot bar extends downward to a predetermined position. The length is not limited to form a landing part, and the first and second legs of the supporting tripod achieve their unfolding action through the combination of elastic components.

Compared with the prior art, the utility model has the following beneficial effects:

When the expandable and retractable chair frame is unfolded, it is only necessary to press down the stop button to operate the positioning control assembly to obtain the positioning release, and then turn the seat plate upwards so that the elastic member can pull and drive the two-legged rod of the supporting tripod Stretching is in a cross-shaped support state, which makes the operation more labor-saving. Similarly, the reverse operation can be completed when folding, so the steps of unfolding and retracting the chair frame can be greatly simplified, so that the retractable chair frame The operation is more simple and convenient, practical and progressive.

Description of drawings

Fig. 1 is a schematic diagram of the action of a known expandable and retractable chair frame;

Figure 2 is a partial enlarged schematic view of Figure 1;

Fig. 3 is a three-dimensional view of the structure improvement of the expandable and retractable chair frame of the suitcase of the present invention;

Fig. 4 is a bottom perspective view of the improvement of the expandable and retractable chair frame structure of the suitcase of the present invention;

Fig. 5 is an enlarged schematic diagram of the elastic plate body improved in the structure of the expandable and retractable chair frame of the suitcase of the present invention;

Fig. 6 is an enlarged schematic diagram of the positioning part of the improved structure of the expandable and retractable chair frame of the suitcase of the present invention;

Fig. 7 is a schematic diagram of the action of the elastic buckle joint part of the improved structure of the expandable and retractable chair frame of the suitcase of the present invention;

Fig. 8 is a schematic side view of the expandable and retractable chair frame of the utility model suitcase with an improved structure of the extendable and retractable chair frame;

Fig. 9 is a schematic diagram of the unfolding action of the improved structure of the expandable and retractable seat frame of the suitcase of the present invention;

Fig. 10 is a schematic diagram of the folding action of the improved structure of the expandable and retractable chair frame of the suitcase of the present invention;

Fig. 11 is a folded perspective view of the retractable chair frame of the suitcase of the utility model with an improved structure of the retractable chair frame.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the utility model, and to make the above-mentioned purpose, features and advantages of the utility model more obvious and understandable, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to Figures 3 to 10, the preferred embodiment of the improved structure of the expandable and retractable chair frame of the suitcase of the present invention, the expandable and retractable chair frame A includes a main frame portion 10, a seat plate 20 and a supporting leg frame 30; the main frame part 10 has two vertical guide rods 11 separated at intervals, and the side of the seat plate 20 corresponding to the main frame part 10 is provided with a movable horizontal frame part 21, and the opposite sides of the movable horizontal frame part 21 The sleeve part 22 is provided with sliding sleeves on the two vertical guide rods 11 respectively, and the predetermined position of the bottom of the seat plate 20 is provided with a positioning control assembly 23, and the positioning control assembly 23 includes a predetermined position arranged on the two vertical guide rods 11. The positioning part 24 of the position, and the bottom of the seat plate 20 is provided with an elastic buckle joint part 25. There is a buckle part 251 to fit into the buckle part 241 .

And when the seat plate 20 is in the state of being folded and standing at an upright angle, the positioning and folding state can be achieved through the positioning control assembly 23, and the positioning control assembly 23 can also be set through the stop button on one side of the seat plate 20 26 is positioned and released; the supporting foot frame 30 includes a first foot bar 31 and a second foot bar 32 that are cross-shaped pivot groups, wherein the top end of the first foot bar 31 is slidably connected to the The seat plate 20 is adjacent to the side of the stop button 26, the bottom end of the first foot bar 31 is pivotally connected to the bottom end of the main frame part 10, and the top end of the second foot bar 32 is pivotally connected to the bottom of the seat plate 20 and is adjacent to the vertical guide slide. On this side of the bar 11, the bottom end of the second foot bar 32 then extends down to a predetermined length and defines a landing portion 33, which can be an anti-slip sleeve, and the first, The second leg levers 31 and 32 can also be combined with the elastic member 40 to assist in their unfolding action.

Wherein, the bottom of the seat plate 20 can be provided with a transverse guide groove 27, and a cross bar 28 is slid in the transverse guide groove 27, so that the top end of the first foot bar 31 is connected with the end of the cross bar 28 to form a In a slidable state; and the side of the seat plate 20 adjacent to the vertical guide rod 11 can be provided with a lifting portion 29 , and the lifting portion 29 can assist the seat plate 20 to achieve its retracted state.

Wherein, the elastic member 40 can be an elastic plate body 41, and the first leg 31 is correspondingly arranged to have a first pole 311 and a second pole 312, and the first pole 311 and the second pole The end adjacent to the rod 312 is assembled on the pivot joint 34 corresponding to the second foot rod 32, and one end of the elastic plate 41 is fixed on the first pole 311, and the other end is fixed on the second pole 311. The support bar 312 is configured to make the first and second leg bars 31 , 32 and the elastic board 41 reach a state of being folded and closed when the first and second leg bars 31 and 32 are folded.

Wherein, the top of the main frame portion 10 can also be provided with a hanging frame 50 , and the two sides of the hanging frame 50 are provided with hanging portions 51 for hanging objects.

Through above-mentioned structure, composition design, the use action situation of the present utility model is described as follows:

Please refer to Fig. 3 to Fig. 10, when you want to make the retractable chair frame A unfold, first press down the detent button 26 on the front edge of the seat plate 20, the detent button 26 can be connected to the control position The elastic buckle joint part 25 at the bottom of the bottom plate 26 makes the buckle parts 251 provided on both sides of the elastic buckle joint part 25 and the fastening part 241 of the positioning part 24 be in a disengaged state, and the front of the seat plate 20 is supported by human hands. edge, and turn up so that the seat plate 20 can be in a flat state. At this time, the sleeve part 22 set on the movable horizontal frame part 21 assembled between the two vertical guide rods 11 will slide down at the same time. When the movable horizontal frame part 21 slides downward, the second leg bar 32 will protrude outward at the same time, and the first strut 311 and the second strut 312 are assembled on the second leg because of their adjacent end pivots. The pivot joint 34 provided on the rod 32;

When the second foot bar 32 stretches out, the elastic plate body 41 connected with the first pole 311 and the second pole 312 will drive the second pole 312 to seat in the transverse guide chute 27. The front edge of the plate 20 slides, and the first strut 311 will be driven by the traction of the second strut 312 and the elastic plate body 41 to swing outwards at a predetermined angle, and the positioning member 34 is set on the two vertical guiding slide rods. 11, so the movable horizontal frame portion 21 can only slide down for a predetermined distance and is blocked by the positioning piece 34, and the landing portion 33 formed by one end of the second foot bar 32 can be sleeved The anti-slip kit is used to achieve the effect of anti-slip. Through this, when the first foot bar 31 and the second foot bar 32 constituting the support part 30 are assembled in a cross shape, the effect of stably supporting the seat plate 20 can be achieved.

Conversely, when the seat plate 20 is to be folded, first hook the lifting portion 29 provided on the seat plate 20 with hands, and apply an upward lifting force to make the movable horizontal frame portion 21 both sides The provided sleeve part 22 moves upwards, and at this moment, the second leg rod 32 starts to retract toward the main frame part 10, so that the elastic plate body 41 will simultaneously pull and drive the first pole 311 to move toward the main frame part 10. The action of swinging in the direction of the main frame part 10, and the second support rod 312 will slide the lateral guide chute 27 towards the direction of the main frame part 10, so that the seat plate 20 can be retracted to an upright state, and when the activity When the horizontal frame portion 21 is lifted up to the top of the main frame portion 10, it is only necessary to apply a lateral force F on the front edge of the seat plate 20 in an upright state, so that the elastic snap-fit portion 25 provided on both sides The snap part 251 can be snapped into the corresponding snap part 241 of the positioning member 34 to complete the folding action of the seat plate 20 , as shown in FIG. 10 and FIG. 11 .

The utility model has the following beneficial effects:

When the expandable and retractable chair frame is unfolded, it is only necessary to press down the stop button so that the positioning control assembly can be positioned and released, and then the seat board is turned upwards so that the elastic member can pull and drive the first supporting leg. , The second foot bar is stretched out in a cross-shaped support state to achieve the function of stably supporting the seat plate, and through the traction and driving effect of the elastic member, the operation can be more labor-saving; similarly, when folding, only need to be supported by human hands The lifting part allows the seat plate to be folded upright, and then a little lateral force is applied to make the fixed piece control component play the role of positioning control. Therefore, the design of the utility model will be able to The steps of unfolding and retracting the retractable chair frame are greatly simplified, so that the operation of the extendable and retractable chair frame is more simple, convenient and practical.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. An improved structure of an expandable and retractable chair frame for a suitcase. The expandable and retractable chair frame is composed of a main frame, a board, and a supporting tripod; its features are: The main frame part has two vertical guide rods separated at intervals. The side of the seat plate corresponding to the main frame part is provided with a movable horizontal frame part. The opposite sides of the movable horizontal frame part are provided with sleeve parts which can be slid on respectively. Two vertical guide slide rods, the bottom of the seat plate is provided with a positioning control component at a predetermined position, the seat plate is in the state of being folded upright, the positioning control component achieves the positioning and folding state, and the positioning control component is assembled on the seat The detent button on one side of the board is in the position release state; The supporting foot frame includes a first foot bar and a second foot bar that are mutually in a cross-shape pivot group, wherein the top end of the first foot bar is slidably connected to the side of the seat plate adjacent to the stop button, and the first foot bar The bottom end of the foot bar is pivotally connected to the bottom end of the main frame part, the top end of the second foot bar is pivotally connected to the bottom of the seat plate near the side of the vertical guide slide bar, and the bottom end of the second foot bar extends downward to a predetermined position. The length is not limited to form a landing part, and the first and second legs of the supporting tripod achieve their unfolding action through the combination of elastic components. 2. The improved structure of the expandable and retractable seat frame of the suitcase according to claim 1, characterized in that: the bottom of the seat plate is provided with a transverse guide chute, and a horizontal bar is slid in the transverse guide chute, the first The top end of the foot bar is connected to the end of the cross bar to be in a sliding state. 3. The improved structure of the extendable and retractable seat frame of the luggage case according to claim 1, characterized in that: the side of the seat plate adjacent to the vertical guide slide bar is provided with a holding portion, and the holding portion assists the seat plate to achieve Collapsed state. 4. The improved structure of the retractable seat frame of the suitcase according to claim 1, characterized in that: the elastic member is an elastic plate, and the first foot bar is correspondingly arranged to have a first support bar and a second support bar. Two poles, the end adjacent to the first pole and the second pole is assembled on the pivot joint corresponding to the second foot pole, one end of the elastic plate is fixed on the first pole, and the other end Then it is fixed on the second pole to form the folding of the first and second foot poles, and the first and second foot poles and the elastic board reach the state of being folded and closed. 5. The improved structure of the extendable and retractable seat frame of the suitcase according to claim 1, characterized in that: the positioning control assembly includes a positioning piece arranged at the predetermined position of the two vertical guide rods, and a positioning piece at the bottom of the seat plate. It is composed of an elastic buckle joint. 6. The improved structure of the extendable and retractable seat frame of the suitcase according to claim 5, wherein the positioning member includes a sleeve positioning abutting portion and a locking portion, and the elastic locking portion faces toward both sides. The side extension is provided with a buckle part, which fits into the fastening part. 7. The improved structure of the expandable and retractable seat frame of a suitcase according to claim 1, wherein a hanger is provided on the top of the main frame, and hangers are provided on both sides of the hanger.

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