Leisure chair with a mortise and tenon structure

Abstract

Leisure chair with a mortise and tenon structure, comprising a front leg assembly, a rear leg assembly, a backrest tube, a seat tube and two armrests, characterized in that the two armrests are each hinged to both sides of the backrest tube and are each movably connected to the front leg assembly and the rear leg assembly, respectively, on the same side, wherein the seat tube is hinged to the front leg assembly and the backrest tube, and wherein the rear leg assembly is movably connected to the seat tube. wherein the foreleg assembly and the hindleg assembly each comprise a left leg tube, a right leg tube and several cross tubes, wherein a slot for receiving the cross tube is arranged on the side of the left leg tube adjacent to the right leg tube and on the side of the right leg tube adjacent to the left leg tube, wherein the shape of the slot is adapted to the shape of the cross tube, wherein the two ends of the cross tube interact with each other by means of a slot and tenon structure to be inserted into a slot in the left leg tube and a slot in the right leg tube, respectively. wherein the front leg assembly and the rear leg assembly each have multiple pins, wherein the front slotted wall or the rear slotted wall of each slot is provided with multiple pin mounting holes, wherein multiple through holes are arranged at both ends of the cross tube, passing through the front and rear of the cross tube, wherein multiple pins are used at both ends of the cross tube to achieve attachment to the left leg tube and the right leg tube, wherein the pin interacts with the pin mounting hole in the slotted wall of the slot and the through hole in the cross tube by means of a press fit, wherein the left leg tube and the right leg tube are each formed by cutting tubes with an L-shaped cross-section, wherein the left leg tube of the front leg assembly is in a centrally symmetrical relationship to the left leg tube of the rear leg assembly and the right leg tube of the front leg assembly is in a centrally symmetrical relationship to the right leg tube of the rear leg assembly when the leisure chair is in a folded state.

Description

TECHNICAL AREA

[0001] The present utility model relates to the technical field of folding chairs, in particular to a leisure chair with a mortise and tenon structure. STATE OF THE ART

[0002] The folding chair is a lightweight and stackable seat that is both convenient to transport and space-saving, suitable for use in public places or at home. The leg sections of some folding chairs are fitted with crossbars, which reinforce the frame and can also be used as footrests. These crossbars are typically attached to the leg tubes with screws, which can loosen over time. Furthermore, existing folding chairs often have a significant thickness when folded and rely on screws for fastening, which can easily come loose, makes assembly complicated, detracts from the chair's appearance, and may not meet user needs. CONTENTS OF THE PRESENT USE SAMPLE

[0003] In view of the shortcomings of the prior art, the present utility model provides a leisure chair with a mortise and tenon structure, which mainly aims to solve the problem of the cross tube being easy to loosen.

[0004] To achieve the aforementioned purpose, the present utility model is implemented through the following technical solutions: Leisure chair with a mortise and tenon structure, comprising a front leg assembly, a rear leg assembly, a backrest tube, a seat tube and two armrests, wherein the two armrests are each hinged to both sides of the backrest tube and each is movable with the front leg assembly or the seat tube.the hind leg assembly is connected on the same side, the seat tube being hinged to the front leg assembly and the backrest tube, the hind leg assembly being movably connected to the seat tube, the front leg assembly and the hind leg assembly each comprising a left leg tube, a right leg tube and several cross tubes, a slot for receiving the cross tube being arranged on the side of the left leg tube adjacent to the right leg tube and on the side of the right leg tube adjacent to the left leg tube, the shape of the slot being adapted to the shape of the cross tube, the two ends of the cross tube interacting with each other by means of a slot and tenon structure to be inserted into a slot in the left leg tube and a slot in the right leg tube, respectively. wherein the front leg assembly and the rear leg assembly each have multiple pins, wherein the front slotted wall or the rear slotted wall of each slot is provided with multiple pin mounting holes, wherein multiple through holes are arranged at both ends of the cross tube, passing through the front and rear of the cross tube, wherein multiple pins are used at both ends of the cross tube to achieve attachment to the left leg tube and the right leg tube, wherein the pin interacts with the pin mounting hole in the slotted wall of the slot and the through hole in the cross tube by means of a press fit, wherein the left leg tube and the right leg tube are each formed by cutting tubes with an L-shaped cross-section, wherein the left leg tube of the front leg assembly is in a centrally symmetrical relationship to the left leg tube of the rear leg assembly and the right leg tube of the front leg assembly is in a centrally symmetrical relationship to the right leg tube of the rear leg assembly when the leisure chair is in a folded state.

[0005] Preferably, a first connecting element is mounted at the upper end of the left leg tube and at the upper end of the right leg tube of the front leg assembly, wherein a second connecting element is mounted at the upper end of the left leg tube and at the upper end of the right leg tube of the rear leg assembly, wherein the first connecting element is hinged to the second connecting element on the same side, wherein an armrest connecting element is mounted on the first connecting element or the second connecting element, and wherein a gear selector pin is attached to the armrest connecting element. wherein a receiving slot extending forward and backward is arranged on the bottom surface of each armrest, wherein opposite slides are arranged on the two left and right slot walls of the receiving slot, wherein the two ends of the gear selector pin are arranged in the slides on both sides of the receiving slot, wherein a series of spaced-apart gear selector grooves are arranged on the top of the slide from front to back, such that the gear selector pins engage with and match different gear selector grooves to achieve an angular adjustment between the backrest tube and the seat tube.

[0006] Preferably, the left leg tube and the right leg tube of the rear leg assembly are each hinged at the rear to the lower end of a rear foot swivel element, wherein the upper end of the rear foot swivel element is hinged to one side of the U-shaped connecting element, wherein the upper ends of the two rear foot swivel elements each rest against the two right leg tubes when the leisure chair is in an unfolded state.

[0007] Preferably, a cup holder connecting element is mounted on the left side of the left leg tube and on the right side of the right leg tube of the front leg assembly, wherein a cup holder assembly is mounted on one of the cup holder connecting elements, the cup holder assembly comprising a cup holder and a cup holder rotating element, wherein the cup holder connecting element is detachably connected to the cup holder rotating element, and wherein the cup holder is rotatable relative to the cup holder rotating element.

[0008] Preferably, a suspension slot is arranged on the front and rear of the cup holder connecting element, which extends through the top of the cup holder connecting element, wherein a recess is arranged on one side of the cup holder rotating element, wherein two suspension strips are formed convexly on the front and rear side walls of the recess, so that the two suspension strips are inserted from top to bottom into the two suspension slots, wherein the cup holder rotating element is suspended on the cup holder connecting element, so that the cup holder rotating element can be separated from the cup holder connecting element by pulling on the cup holder rotating element.

[0009] Preferably, the cup holder arrangement further comprises a spring, wherein the cup holder rotary element is provided with a transverse bore for connection with the recess, wherein the spring is arranged in the transverse bore and presses against the cup holder connecting element and the cup holder rotary element, wherein the cup holder is equipped with a lateral positioning column, wherein the lateral positioning column is inserted into the transverse bore on the cup holder rotary element, and wherein the spring is enclosed over the lateral positioning column.

[0010] Preferably, a shoulder is formed convexly on one side of the cup holder rotary element, wherein a plurality of limiting convexities are formed convexly on a circumferential surface of the shoulder, wherein a receiving cavity for receiving the shoulder is arranged on the side of the cup holder near the cup holder rotary element, wherein a plurality of limiting concavities are arranged on the side wall of the receiving cavity, wherein the shoulder interacts with the receiving cavity by means of a plug connection, wherein the limiting concavity interacts with the limiting convexity by means of a plug connection.

[0011] The present utility model has the following advantageous effects: 1. The cross tubes of the front leg assembly and the rear leg assembly of the leisure chair are fitted together with the left leg tube and the right leg tube respectively by means of a press connection through a slot and tenon structure, which has a stable structure and cannot easily come loose. 2. The leg tubes of the leisure chair are each designed as L-shaped tubes. Furthermore, the left leg tube of the front leg assembly is centrally symmetrical to the left leg tube of the rear leg assembly, and the right leg tube of the front leg assembly is centrally symmetrical to the right leg tube of the rear leg assembly when the leisure chair is folded. The overall thickness from front to back, where the two L-shaped tubes are close together, is small, which is advantageous for reducing the thickness of the leisure chair after folding. BRIEF DESCRIPTION OF THE DRAWING Fig. Figure 1 is a schematic representation of the structure of a leisure chair in an unfolded state according to an embodiment of the present utility model; Fig. Figure 2 is a schematic representation of a leisure chair in a half-folded state according to the present embodiment; Fig. Figure 3 is a schematic representation of a leisure chair in a folded state according to the present embodiment; Fig. Figure 4 is an exploded view of a leisure chair from Fig. 1; Fig. 5 is an exploded view of a foreleg assembly according to the present embodiment; Fig. Figure 6 is a first division representation of a cup holder, a cup holder connecting element and a cup holder rotating element; Fig. Figure 7 is a second division representation of a cup holder, a cup holder connecting element and a cup holder rotating element; Fig. Figure 8 is a schematic representation of an armrest. DETAILED DESCRIPTION

[0012] The present utility model is further described below in combination with the drawings and examples of embodiments.

[0013] In describing this utility model, it is understood that the orientation or position relationships indicated by the terms top, bottom, front, back, left, right, above, below, inside, outside, etc., are based on the orientation or position relationships shown in the drawings. This serves only to facilitate and simplify the description of this utility model, without indicating or implying that the devices or elements relating to them have a specific orientation and must be installed and operated in a specific orientation, and therefore cannot be understood as a limitation of this utility model.

[0014] According to the present embodiment, a leisure chair with a mortise and tenon structure is disclosed, comprising a front leg assembly 1, a rear leg assembly 2, a backrest tube 3, a seat tube 4, and two armrests 5, wherein the two armrests 5 are each hinged to both sides of the backrest tube 3 and are each movably connected to the front leg assembly 1 and the rear leg assembly 2, respectively, on the same side, wherein the seat tube 4 is hinged to the front leg assembly 1 and the backrest tube 3, and wherein the rear leg assembly 2 is movably connected to the seat tube 4, as shown in Fig. 1 to Fig. 8 shown.

[0015] Furthermore, it is provided that the foreleg assembly 1 and the hindleg assembly 2 each comprise a left leg tube 6, a right leg tube 7, and several cross tubes 8, wherein a slot 9 for receiving the cross tube 8 is arranged on the side of the left leg tube 6 adjacent to the right leg tube 7 and on the side of the right leg tube 7 adjacent to the left leg tube 6, wherein the shape of the slot 9 is adapted to the shape of the cross tube 8, wherein the two ends of the cross tube 8 interact with each other by means of a slot and tenon structure to be inserted into a slot 9 of the left leg tube 6 and a slot 9 of the right leg tube 7, respectively. The cross tubes 8 each fit together with the left leg tube 6 and the right leg tube 7 by means of a slot and tenon structure via a press fit, so that the structure is stable and not easily disassembled.

[0016] Furthermore, it is provided that the front leg assembly 1 and the rear leg assembly 2 each have several pins 10, wherein the front slotted wall or the rear slotted wall of each slot 9 is provided with several pin mounting holes 11, wherein several through holes are arranged at both ends of the cross tube 8, passing through the front and back of the cross tube 8, wherein several pins 10 are used at both ends of the cross tube 8 to achieve attachment to the left leg tube 6 and the right leg tube 7, wherein the pin 10 interacts with the pin mounting hole 11 in the slotted wall of the slot 9 and the through hole in the cross tube 8 by means of a press fit to further secure the cross tube 8.Furthermore, the left leg tube 6 and the right leg tube 7 of the front leg assembly 1 are each provided on their rear side with pin mounting holes 11 for mounting pins 10, while the left leg tube 6 and the right leg tube 7 of the rear leg assembly 2 are each provided on their front side with pin mounting holes 11 for mounting pins 10, for aesthetic reasons. In this way, the pin 10 is not visible from the front, rear, left, and right sides of the leisure chair, which is aesthetically advantageous. Even if the pin 10 protrudes due to loosening, it is not exposed in a location that could easily scratch the human body. The pin 10 interacts with the cross tube 8 and the leg tube by means of a press fit and is not easily dislodged, so no locking screws are required for mounting the cross tube 8.

[0017] Preferably, the left leg tube 6 and the right leg tube 7 are each formed by cutting tubes with an L-shaped cross-section, wherein the corner of the left leg tube 6 of the front leg assembly 1 is opposite the corner of the left leg tube 6 of the rear leg assembly 2, and the corner of the right leg tube 7 of the front leg assembly 1 is opposite the corner of the right leg tube 7 of the rear leg assembly 2, i.e., the left leg tube 6 of the front leg assembly 1 is in a centrally symmetrical relationship to the left leg tube 6 of the rear leg assembly 2, and the right leg tube 7 of the front leg assembly 1 is in a centrally symmetrical relationship to the right leg tube 7 of the rear leg assembly 2 when the leisure chair is in a folded state. Fig.3) Compared to rectangular tubes of the same cross-sectional length and width, L-shaped tubes exhibit higher strength. When folded, the overall thickness from front to back, where the two L-shaped tubes are close together, is small (the overall thickness of the two rectangular tubes located close together at the front and back is twice the width of a single rectangular tube. In this embodiment, the overall thickness of the two L-shaped tubes located close together at the front and back is approximately 1.5 times the width of a single L-shaped tube), which is advantageous for reducing the thickness of the folding chair.

[0018] Foot covers are arranged at the lower end of each left leg tube 6 and at the lower end of each right leg tube 7 to facilitate slip resistance and prevent damage to the floor, thus preventing sediment from entering the interior of the leg tube. In the present embodiment, the front leg assembly 1 has two transverse tubes 8 and the rear leg assembly 2 has one transverse tube 8. In other embodiments, the number of transverse tubes 8 in the front leg assembly 1 and the number of transverse tubes 8 in the rear leg assembly 2 are not limited here.

[0019] Furthermore, it is provided that a first connecting element 12 is mounted at the upper end of the left leg tube 6 and at the upper end of the right leg tube 7 of the front leg assembly 1, wherein a second connecting element 13 is mounted at the upper end of the left leg tube 6 and at the upper end of the right leg tube 7 of the rear leg assembly 2, the first connecting element 12 being hinged to the second connecting element 13 on the same side. Preferably, the upper end of the left leg tube 6 and the upper end of the right leg tube 7 of the front leg assembly 1 interact with the first connecting element 12 by means of a press fit and are secured by a pin 10, wherein the upper end of the left leg tube 6 and the upper end of the right leg tube 7 of the rear leg assembly 2 interact with the first connecting element 12 by means of a press fit and are secured by a pin 10.

[0020] Furthermore, it is provided that an armrest connecting element 14 is mounted on the first connecting element 12 or the second connecting element 13, wherein a gear selector pin 15 is attached to the armrest connecting element 14, the gear selector pin 15 being arranged horizontally and passing through a through-hole in the armrest connecting element 14 and being attached to the armrest connecting element 14 by welding, wherein a receiving slot extending in the front and rear direction is arranged on the bottom surface of each armrest 5, wherein opposite slides 16 are arranged on the two left and right slot walls of the receiving slot, wherein a series of spaced-apart gear selector grooves 17 are arranged on the top of the slide 16 from front to rear, wherein the two ends of the gear selector pin 15 are arranged in the slides 16 on both sides of the receiving slot.so that the gear selector pins 15 with different gear selector grooves 17 are in contact and fit together to achieve an angle adjustment between the backrest tube 3 and the seat tube 4.

[0021] When the recliner is unfolded, the gear selector pin 15 is pressed downwards via the armrest 5. A gear selector pin 15 is positioned in one of the gear selector grooves 17. At this point, the armrest 5 cannot be moved back and forth, and the angle between the backrest tube 3 and the seat tube 4 is fixed. If the angle of the backrest tube 3 needs to be adjusted, both armrests 5 are raised simultaneously, disengaging the gear selector pin 15 from the gear selector groove 17. The gear selector pin 15 can then slide back and forth along the track 16. The armrest 5 is pulled forwards and backwards, and then pressed downwards again, causing the gear selector pin 15 to engage in another gear selector groove 17, thus adjusting the angle between the backrest tube 3 and the seat tube 4.By adjusting the position of the armrests forwards and backwards, the angle between the backrest tube and the seat tube can be adjusted to accommodate users of different body shapes, providing a high level of comfort.

[0022] In the present embodiment, the backrest tube 3 and the seat tube 4 are each designed as U-shaped tubes, with the backrest tube 3 being open downwards and the seat tube 4 being open to the rear. Two U-shaped connecting elements 18 are mounted at the rear end of the seat tube 4, and two U-shaped connecting elements 18 are hinged to the lower end of the backrest tube 3.

[0023] Furthermore, it is provided that the left leg tube 6 and the right leg tube 7 of the rear leg assembly 2 are each hinged at the rear to the lower end of a rear foot swivel element 19, wherein the upper end of the rear foot swivel element 19 is hinged to one side of the U-shaped connecting element 18, wherein the upper ends of the two rear foot swivel elements 19 each rest against the two right leg tubes 7 when the leisure chair is in an unfolded state.

[0024] A seat tube turning element 20 is mounted on the right side of the left leg tube 6 and on the left side of the right leg tube 7 of the front leg assembly 1, with the seat tube 4 being articulated to two seat tube turning elements 20.

[0025] In the present embodiment, the leisure chair is also equipped with a cup holder arrangement 21, wherein a cup holder connecting element 23 is mounted on the left side of the left leg tube 6 and on the right side of the right leg tube 7 of the front leg arrangement 1, wherein the cup holder arrangement 21 comprises a cup holder 21 and a cup holder rotating element 22, wherein the cup holder connecting element 23 is detachably connected to the cup holder rotating element 22, and wherein the cup holder rotating element 22 is detachably connected to the cup holder 21.

[0026] Furthermore, it is provided that a suspension slot 24 is arranged on the front and rear of the cup holder connecting element 23, which extends through the top of the cup holder connecting element 23, wherein a recess is arranged on one side of the cup holder rotating element 22, wherein two suspension strips 25 are formed convexly on the front and rear side walls of the recess, so that the two suspension strips 25 are inserted from top to bottom into the two suspension slots 24, wherein the cup holder rotating element 22 is suspended on the cup holder connecting element 23, so that the cup holder rotating element 22 can be separated from the cup holder connecting element 23 by pulling the cup holder rotating element 22.

[0027] Preferably, the cup holder assembly 21 further comprises a spring (not shown), wherein the cup holder rotating element 22 is provided with a transverse bore 26 for connection with the recess, the spring being arranged in the transverse bore 26 and pressing against the cup holder connecting element 23 and the cup holder rotating element 22, so that a lateral tensile force exists between the cup holder rotating element 22 and the cup holder connecting element 23 to prevent vibration of the cup holder rotating element 22. Preferably, the cup holder 21 is equipped with a lateral positioning column 27, wherein the lateral positioning column 27 is inserted into the transverse bore 26 on the cup holder rotating element 22, and the spring is enclosed over the lateral positioning column 27.

[0028] Furthermore, it is provided that a shoulder 28 is formed convexly on one side of the cup holder rotating element 22, wherein a plurality of limiting convexities 29 are formed convexly on a circumferential surface of the shoulder 28, wherein a receiving cavity 30 for receiving the shoulder 28 is arranged on the side of the cup holder 21 near the cup holder rotating element 22, wherein a plurality of limiting concavities 31 are arranged on the side wall of the receiving cavity 30, wherein the shoulder 28 interacts with the receiving cavity 30 by means of a plug connection, wherein the limiting concavity 31 interacts with the limiting convexity 29 by means of a plug connection. By rotating the cup holder 21, an angular adjustment of the cup holder 21 relative to the cup holder rotating element 22 is achieved.

[0029] Depending on requirements, the cup holder assembly 21 can be mounted on either the left or right side of the recliner chair. The cup holder 21 is rotatable so that, after adjusting the angle between the backrest tube 3 and the seat tube 4, it can be rotated to a comfortable angle. The cup holder can be rotated to adapt to the recliner chair after the backrest tube angle has been adjusted, making it convenient to use.

[0030] As mentioned above, the exemplary embodiments serve only to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the aforementioned exemplary embodiments, the person skilled in the art should understand that the technical solutions described in the aforementioned exemplary embodiments can still be modified or some technical features can be replaced with equivalent ones. These modifications or replacements do not cause the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the exemplary embodiments of the present utility model. Therefore, all other exemplary embodiments that a person skilled in the art obtains without creative work fall within the scope of protection of the present utility model.

Claims

[1] Leisure chair with a mortise and tenon structure comprising a front leg assembly, a rear leg assembly, a backrest tube, a seat tube and two armrests, characterized by , that the two armrests are each hinged to both sides of the backrest tube and each is movably connected to the front leg assembly and the rear leg assembly respectively on the same side, wherein the seat tube is hinged to the front leg assembly and the backrest tube, wherein the rear leg assembly is movably connected to the seat tube, wherein the foreleg assembly and the hindleg assembly each comprise a left leg tube, a right leg tube and several cross tubes, wherein a slot for receiving the cross tube is arranged on the side of the left leg tube adjacent to the right leg tube and on the side of the right leg tube adjacent to the left leg tube, wherein the shape of the slot is adapted to the shape of the cross tube, wherein the two ends of the cross tube interact with each other by means of a slot and tenon structure to be inserted into a slot in the left leg tube and a slot in the right leg tube, respectively. wherein the front leg assembly and the rear leg assembly each have multiple pins, wherein the front slotted wall or the rear slotted wall of each slot is provided with multiple pin mounting holes, wherein multiple through holes are arranged at both ends of the cross tube, passing through the front and rear of the cross tube, wherein multiple pins are used at both ends of the cross tube to achieve attachment to the left leg tube and the right leg tube, wherein the pin interacts with the pin mounting hole in the slotted wall of the slot and the through hole in the cross tube by means of a press fit, wherein the left leg tube and the right leg tube are each formed by cutting tubes with an L-shaped cross-section, wherein the left leg tube of the front leg assembly is in a centrally symmetrical relationship to the left leg tube of the rear leg assembly and the right leg tube of the front leg assembly is in a centrally symmetrical relationship to the right leg tube of the rear leg assembly when the leisure chair is in a folded state. [2] Leisure chair with a mortise and tenon structure according to claim 1, characterized by, that a first connecting element is mounted at the upper end of the left leg tube and at the upper end of the right leg tube of the front leg assembly, wherein a second connecting element is mounted at the upper end of the left leg tube and at the upper end of the right leg tube of the rear leg assembly, wherein the first connecting element is hinged to the second connecting element on the same side, wherein an armrest connecting element is mounted on the first connecting element or the second connecting element, wherein a gear selector pin is attached to the armrest connecting element, wherein a receiving slot extending forward and backward is arranged on the bottom surface of each armrest, wherein opposite slides are arranged on the two left and right slot walls of the receiving slot, wherein the two ends of the gear selector pin are arranged in the slides on both sides of the receiving slot, wherein a series of spaced-apart gear selector grooves are arranged on the top of the slide from front to back, such that the gear selector pins engage with and match different gear selector grooves to achieve an angular adjustment between the backrest tube and the seat tube. [3] Leisure chair with a mortise and tenon structure according to claim 1, characterized by, that the left leg tube and the right leg tube of the rear leg assembly are each hinged at the rear to the lower end of a rear foot pivoting element, wherein the upper end of the rear foot pivoting element is hinged to one side of the U-shaped connecting element, wherein the upper ends of the two rear foot pivoting elements each rest against the two right leg tubes when the leisure chair is in an unfolded state. [4] Leisure chair with a mortise and tenon structure according to claim 1, characterized by, that a cup holder connecting element is mounted on the left side of the left leg tube and on the right side of the right leg tube of the foreleg assembly, wherein a cup holder assembly is mounted on one of the cup holder connecting elements, the cup holder assembly comprising a cup holder and a cup holder rotating element, wherein the cup holder connecting element is detachably connected to the cup holder rotating element, and wherein the cup holder is rotatable relative to the cup holder rotating element. [5] Leisure chair with a mortise and tenon structure according to claim 4, characterized by, that a suspension slot is arranged on the front and rear of the cup holder connecting element, which passes through the top of the cup holder connecting element, wherein a recess is arranged on one side of the cup holder rotating element, wherein two suspension strips are formed convexly on the front and rear side walls of the recess, so that the two suspension strips are inserted from top to bottom into the two suspension slots, wherein the cup holder rotating element is suspended on the cup holder connecting element, so that the cup holder rotating element can be separated from the cup holder connecting element by pulling on the cup holder rotating element. [6] Leisure chair with a mortise and tenon structure according to claim 5, characterized bythat the cup holder arrangement further comprises a spring, wherein the cup holder rotating element is provided with a transverse bore for connection with the recess, wherein the spring is arranged in the transverse bore and presses against the cup holder connecting element and the cup holder rotating element, wherein the cup holder is equipped with a lateral positioning column, wherein the lateral positioning column is inserted into the transverse bore on the cup holder rotating element, wherein the spring is enclosed over the lateral positioning column. [7] Leisure chair with a mortise and tenon structure according to one of claims 4 to 6, characterized by, that a shoulder is formed convexly on one side of the cup holder rotary element, wherein a plurality of limiting convexities are formed convexly on a circumferential surface of the shoulder, wherein a receiving cavity for receiving the shoulder is arranged on the side of the cup holder near the cup holder rotary element, wherein a plurality of limiting concavities are arranged on the side wall of the receiving cavity, wherein the shoulder interacts with the receiving cavity by means of a plug connection, wherein the limiting concavity interacts with the limiting convexity by means of a plug connection.

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