CN213550745U - Electronic contest backrest skeleton - Google Patents

Abstract

The application relates to a backrest framework of a sports competition chair, which comprises a main framework and an elastic bandage arranged on the main framework; the main framework is provided with a limiting ring positioned on one side of the elastic bandage, and the main framework is also provided with a limiting piece positioned on the other side of the elastic bandage; a pressure lever for pressing the elastic bandage is arranged between the limiting ring and the limiting piece, and the pressure lever is used for pressing the chair cover on the main framework; one end of the pressure lever penetrates into the limiting ring, and the other end of the pressure lever is tightly pressed on the limiting piece; the limiting part is provided with a yielding groove with an opening facing the pressing rod. The method and the device have the advantages that the position of the limiting piece can be found more conveniently by an installer, so that a great amount of installation time is saved; the pressure lever can be installed between the limiting ring and the limiting part more smoothly and quickly.

Description

Electronic contest backrest skeleton

Technical Field

The application relates to the field of electronic contest chairs, in particular to an electronic contest chair backrest framework.

Background

At present, the design of the electronic competition chair needs to accord with human engineering, the operation and experience of a user are convenient, and the comfort level of the user can be ensured due to the fact that part of games require high input of the energy of the user and long-time sitting posture keeping.

In order to enable the chair cover to be more stably installed on the framework, inserting holes which are oppositely formed are usually arranged at the upper end and the lower end of the framework, and after the chair cover is preliminarily sleeved on the framework, a pressing rod penetrates into a sleeve fixedly sewn on the inner side wall of the chair cover; then inserting one end of the pressure lever into the jack at the upper end of the framework, and finally inserting the other end of the pressure lever into the jack at the lower end of the framework; the chair cover can be more stably and firmly pressed and installed on the framework under the action of the pressure lever.

In view of the above-mentioned related art, the inventor believes that there is a defect that when the insertion rod is inserted into the insertion hole at the lower end of the framework, because the aperture of the insertion hole is relatively small and the light inside the chair cover is dark, it is difficult for an installer to find the position of the insertion hole and insert the compression rod into the insertion hole, and a lot of time is wasted when finding the insertion hole.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that it is difficult to install the depression bar smoothly in place, the application provides a backrest skeleton is competed to electricity.

The application provides a backrest skeleton is competed to electricity adopts following technical scheme:

a backrest framework of a sports competition chair comprises a main framework and an elastic bandage arranged on the main framework; the main framework is provided with a limiting ring positioned on one side of the elastic bandage, and the main framework is also provided with a limiting piece positioned on the other side of the elastic bandage; a pressure lever for pressing the elastic bandage is arranged between the limiting ring and the limiting piece, and the pressure lever is used for pressing the chair cover on the main framework; one end of the pressure lever penetrates into the limiting ring, and the other end of the pressure lever is tightly pressed on the limiting piece; the limiting part is provided with a yielding groove with an opening facing the pressing rod.

By adopting the technical scheme, when the compression bar is installed, the compression bar penetrates into the chair sleeve, one end of the compression bar is inserted into the limiting ring, the other end of the compression bar downwards compresses the elastic bandage, and finally the compression bar is moved into the abdicating groove below the limiting part and can be upwards compressed on the inner side wall of the abdicating groove under the action of the elasticity of the elastic bandage; thereby completing the installation of the pressure lever, and the chair cover can be sleeved on the main framework smoothly; the whole installation process is more convenient, and an installer can more conveniently find the position of the limiting piece, so that a great amount of installation time is saved; the pressure lever can be more smoothly and quickly arranged between the limiting ring and the limiting piece; the pressing rod can be more stably and firmly limited and fixed on the limiting part through the mutual attaching and pressing between the pressing rod and the side wall of the abdicating groove; the pressure lever is not easy to be separated from the limiting piece.

Preferably, an outwardly protruding arc surface is formed on the side wall of the limiting part, which deviates from the connecting end with the main framework.

Through adopting above-mentioned technical scheme, when with the depression bar immigration to the inslot that steps down gradually, through with the depression bar along the cambered surface to the direction removal that is close to the groove of stepping down gradually, the cambered surface can play the effect of direction to the removal of depression bar to enable the more smooth immigration of depression bar to the inslot that steps down.

Preferably, the limiting part is provided with an inclined surface for the pressure rod to slide into the abdicating groove, and the inclined surface and the arc surface are respectively positioned at two sides of the abdicating groove.

Through adopting above-mentioned technical scheme, when depression bar one end moved to the groove of stepping down carelessly and kept away from the one side of cambered surface, can slide the depression bar in to the groove of stepping down smoothly to the direction that is close to the groove of stepping down through the inclined plane, played the effect of direction once more to the depression bar to make the depression bar compress tightly smoothly in the groove of stepping down.

Preferably, the locating part is the symmetry and sets up in elastic bandage both sides, is located the spacing ring and the locating part one-to-one of elastic bandage homonymy.

By adopting the technical scheme, when the chair cover is installed, the pressing rods are respectively inserted into the limiting parts and the limiting rings corresponding to the two sides, and the two sides of the chair cover can be more stably and firmly fixed on the main framework under the combined action of the pressing rods on the two sides.

Preferably, the quantity of elastic bandage is two at least, just the elastic bandage is the interval setting in proper order along the length direction of main skeleton.

Through adopting above-mentioned technical scheme, not only strengthened the support intensity to the chair cover through setting up many elastic bandages to can also improve the resilience ability of chair cover, travelling comfort when having promoted the chair cover and using.

Preferably, the main framework, the limiting ring and the limiting piece are made of iron or plastic.

Through adopting above-mentioned technical scheme, can come the material of main skeleton, spacing ring and locating part to make up the use according to the production demand of reality, adopt the integrated into one piece of plastics can make things convenient for the production of main skeleton, spacing ring and locating part, adopt iron spare can strengthen the structural strength of main skeleton, spacing ring and locating part.

Preferably, a supporting plate positioned at the head part of the chair cover is arranged on the main framework, and the supporting plate is positioned on one side of the elastic bandage; the two ends of the supporting plate are respectively fixed with the inner side wall of the main framework.

Through adopting above-mentioned technical scheme, the backup pad can strengthen the support to user's head to enable the head more comfortable when lying, improved holistic use travelling comfort.

Preferably, the support plate is provided with a through vent hole.

Through adopting above-mentioned technical scheme, the ventilation performance of backup pad can be improved in the ventilation hole to reduce the stifling sense of feeling when the head is lying, strengthened the ventilation air permeability of backup pad.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the pressure rod is installed, the pressure rod can be installed between the limiting ring and the limiting piece more smoothly and quickly;

2. the pressing rod can be more stably and firmly limited and fixed on the limiting part through the mutual attaching and pressing between the pressing rod and the side wall of the abdicating groove; the pressure lever is not easy to be separated from the limiting piece.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial structure schematic view of fig. 1 after the pressure lever is hidden.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Description of reference numerals: 1. a main framework; 11. a limiting ring; 12. a limiting member; 121. a cambered surface; 122. a bevel; 13. a yielding groove; 14. a support plate; 15. a vent hole; 2. an elastic bandage; 3. a pressure lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a backrest framework of a sports competition chair. Referring to fig. 1 and 2, the electronic contest chair back framework comprises a main framework 1, wherein elastic bandages 2 are tightened on the main framework 1 along the width direction, the number of the elastic bandages 2 can be adjusted according to actual requirements, the number of the elastic bandages 2 in the embodiment is three, and the three elastic bandages 2 are sequentially distributed at equal intervals along the height direction of the main framework 1. The main framework 1 is fixedly provided with installation components which are positioned at the left side and the right side of the elastic bandage 2, the installation components at the two sides are symmetrically arranged, the installation components are provided with compression bars 3 which compress the elastic bandage 2, when the chair cover is installed, the compression bars 3 penetrate into the sleeve fixedly sewed on the inner side wall of the chair cover, and the chair cover can be compressed on the main framework 1 through the compression bars 3.

As shown in fig. 1 and 3, the mounting assembly includes a limiting ring 11 and a limiting member 12 symmetrically disposed at the upper and lower ends of the main frame 1, and the limiting ring 11 is located above the uppermost elastic bandage 2. The main frame 1, the limiting ring 11 and the limiting piece 12 can be made of any combination of iron or plastic. The locating part 12 is located the elastic bandage 2 below of lower floor, and the spacing ring 11 on the installation component of the same group is with 12 one-to-one of locating part, and the opening of spacing ring 11 is towards locating part 12, and 3 upper ends of depression bar penetrate in spacing ring 11, and 3 lower extremes of depression bar compress tightly in locating part 12 one side under the effect of elastic bandage 2.

As shown in fig. 1 and 3, the limiting member 12 is provided with a yielding groove 13 having an opening facing the pressing rod 3, and one side of the pressing rod 3 away from the elastic bandage 2 is attached to and pressed against a side wall of the yielding groove 13. An outwardly protruding cambered surface 121 is formed on the side wall of the limiting piece 12 away from the connecting end with the main framework 1. When gradually moving the pressing rod 3 into the yielding groove 13, the pressing rod 3 gradually moves towards the direction close to the yielding groove 13 along the cambered surface 121, and the cambered surface 121 can guide the movement of the pressing rod 3, so that the pressing rod 3 can move into the yielding groove 13 more smoothly. The limiting member 12 is further formed with an inclined surface 122 for the pressing rod 3 to slide into the receding groove 13, and the inclined surface 122 is close to the connecting end between the limiting member 12 and the main frame 1. The inclined surface 122 and the arc surface 121 are respectively located at two sides of the receding groove 13, and the inclined surface 122 is inclined towards the direction close to the receding groove 13.

As shown in fig. 1, the main frame 1 is provided with a support plate 14 above the limit ring 11, and the support plate 14 is also located at the head of the seat cover. The left end and the right end of the supporting plate 14 are respectively fixedly connected with the inner side wall of the main framework 1. The support plate 14 provides enhanced support for the head of the user, thereby providing increased comfort when the head is lying flat and improving overall comfort. Two through vent holes 15 are symmetrically arranged on the support plate 14, and the vent holes 15 are respectively positioned at the left side and the right side of the support plate 14.

The implementation principle of this application embodiment's back skeleton is competed to electricity: when the compression bar 3 is installed, the compression bar 3 penetrates into the chair cover, one end of the compression bar 3 is inserted into the limiting ring 11, the other end of the compression bar 3 is compressed downwards to form the elastic bandage 2, and finally the compression bar 3 is moved into the position below the limiting part 12, so that the compression bar 3 can be compressed upwards to the limiting part 12 under the elastic force of the elastic bandage 2. Thereby completing the installation of the pressure lever 3, and the chair cover can be sleeved on the main framework 1 smoothly at the moment. The whole installation process is more convenient, and the pressure rod 3 can be installed between the limiting ring 11 and the limiting part 12 more smoothly and quickly.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A backrest framework of a sports competition chair comprises a main framework (1) and an elastic bandage (2) arranged on the main framework (1); the method is characterized in that: a limiting ring (11) positioned on one side of the elastic bandage (2) is arranged on the main framework (1), and a limiting piece (12) positioned on the other side of the elastic bandage (2) is also arranged on the main framework (1); a compression bar (3) for compressing the elastic bandage (2) is arranged between the limiting ring (11) and the limiting piece (12), and the compression bar (3) is used for compressing the chair cover on the main framework (1); one end of the pressure lever (3) penetrates into the limiting ring (11), and the other end of the pressure lever (3) is tightly pressed on the limiting piece (12); the limiting piece (12) is provided with a yielding groove (13) with an opening facing the pressure rod (3).

2. The computer chair back skeleton of claim 1, wherein: the side wall of the limiting piece (12) departing from the connecting end of the main framework (1) is provided with an outwards protruding cambered surface (121).

3. The computer chair back skeleton of claim 2, wherein: the limiting piece (12) is provided with an inclined plane (122) used for enabling the pressure rod (3) to slide into the yielding groove (13), and the inclined plane (122) and the cambered surface (121) are located on two sides of the yielding groove (13) respectively.

4. The computer chair back skeleton of claim 1, wherein: the limiting parts (12) are symmetrically arranged on two sides of the elastic bandage (2) and located on the limiting rings (11) on the same side of the elastic bandage (2) and correspond to the limiting parts (12) one to one.

5. The computer chair back skeleton of claim 4, wherein: the quantity of elastic bandage (2) is two at least, just elastic bandage (2) are the interval setting in proper order along the length direction of main skeleton (1).

6. The computer chair back skeleton of claim 1, wherein: the main framework (1), the limiting ring (11) and the limiting piece (12) are made of iron or plastic.

7. The computer chair back skeleton of claim 1, wherein: a supporting plate (14) positioned at the head part of the chair cover is arranged on the main framework (1), and the supporting plate (14) is positioned on one side of the elastic bandage (2); two ends of the supporting plate (14) are respectively fixed with the inner side wall of the main framework (1).

8. The computer chair back skeleton of claim 7, wherein: the supporting plate (14) is provided with a through ventilation hole (15).

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