Dining chair with wear-resistant seat surface and high-stability structure

Abstract

The utility model provides a dining chair with a wear-resistant seat surface and a high-stability structure, and belongs to the technical field of dining chairs. Comprising a body, and the body comprises a supporting plate, a backrest and supporting legs. When the wear-resistant seat surface is damaged after being used for a long time, the pull rod is pulled to drive the connecting block and the clamping block to move towards the deep position of the circular groove, the clamping block is separated from the fixing pin at the moment, the damaged wear-resistant seat surface can be taken down, and then a square groove in the bottom of a new wear-resistant seat surface is aligned with the fixing pin on the top of the connecting plate and inserted in the direction of the fixing pin. When the fixing pin makes contact with the clamping block, the clamping block is extruded to move towards the deep position of the circular groove, after the fixing pin is completely inserted into the square groove, the clamping block is not extruded, the connecting block and the clamping block are pushed towards the fixing pin through the second spring till the connecting block and the clamping block are clamped with the fixing pin, replacement of the abrasion-resistant seat face is completed, and therefore the cost expenditure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dining chairs, in particular to a dining chair with a wear-resistant seat surface and a high-stability structure. Background Art

[0002] A dining chair refers to a chair specially used for dining and is a type of restaurant furniture. Dining chairs can be divided into solid wood chairs, steel-wood chairs, etc. according to their materials; they can be divided into Chinese dining chairs, Western dining chairs, coffee chairs, etc. according to their uses.

[0003] An existing dining chair with a wear-resistant seat and a high-stability structure can refer to the utility model patent with Chinese patent publication number CN211483671U, which discloses a dining chair with a wear-resistant seat and a high-stability structure, belonging to the field of dining chairs, including a fixed frame, and the left and right front and rear ends of the lower outer wall of the fixed frame are fixedly installed with fixed rods, and a control button is fixedly installed on the upper outer wall of the left front end of the fixed rod, and a battery is fixedly installed on the lower end of the control button, and a motor is fixedly installed inside the lower end of the fixed rod, and the lower end of the motor is rotatably connected to a screw rod, and the outer wall of the screw rod is rotatably sleeved with a screw rod sleeve, and the outer wall of the screw rod sleeve is fixedly sleeved with a bearing sleeve.

[0004] However, during actual use of the device, it was found that although the device improved the anti-friction effect of the seat and increased the practicality of the dining chair, the seat of the dining chair was not fixed. When the user sat on the dining chair and moved back and forth, the seat rubbed against the seat. After long-term use, the paint on the seat of the dining chair was rubbed off or the leather seat was damaged, which reduced the practicality of the dining chair. At the same time, after long-term use, the wear-resistant seat may be damaged. Usually, if the seat is damaged, the entire dining chair must be replaced, resulting in a waste of resources and cost. Therefore, the present application provides a dining chair with a wear-resistant seat and a high-stability structure to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a dining chair with a wear-resistant seat and a high-stability structure to solve the problem that the seat of the existing dining chair is fixed. When the user sits on the dining chair and moves back and forth, the seat rubs against the seat. After long-term use, the seat surface of the dining chair is rubbed off or the leather seat surface is damaged, which reduces the practicality of the dining chair. At the same time, after long-term use, the wear-resistant seat surface may be damaged. Usually, if the seat surface is damaged, the entire dining chair must be replaced, resulting in a waste of resources and cost expenditure.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A dining chair with a wear-resistant seat and a highly stable structure, comprising: a main body, the main body comprising a support plate, a backrest and support legs; a groove is provided on the top of the support plate, a sleeve is fixedly mounted on the inner wall of the groove, a moving rod is slidably connected to the inner wall of the sleeve, a connecting shaft is fixedly mounted on the end of the moving rod away from the sleeve, a spring is fixedly mounted on the inner wall of the groove, the sleeve and the moving rod are located inside the spring, a connecting plate is fixedly mounted on the top of the connecting shaft, a fixing pin is fixedly mounted on the top of the connecting plate, and a wear-resistant seat surface is clamped on the outer wall of the fixing pin.

[0008] A square groove is provided at the bottom of the wear-resistant seat surface, a circular groove is provided on the inner wall of the square groove, a spring 2 is fixedly installed on the inner wall of the circular groove, a connecting block is fixedly installed on the end of the spring 2 away from the circular groove, a clamping block is fixedly installed on the side of the connecting block away from the spring 2, the outer wall of the clamping block is clamped with a fixing pin, a pull rod is fixedly installed on the outer wall of the connecting block, and the pull rod passes through the wear-resistant seat surface.

[0009] The inner wall of the support plate is fixedly equipped with a roller, and the outer wall of the roller is rollingly connected to the connecting plate.

[0010] A support rod is fixedly mounted on the bottom of the support leg, and a suction cup is fixedly mounted on the bottom of the support rod.

[0011] An arc-shaped groove is provided at the bottom of the backrest, and a buffer pad is fixedly mounted on the inner wall of the arc-shaped groove.

[0012] An oblique groove is provided on the top of the fixing pin, and the shape of the top of the fixing pin is matched with the clamping block.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. In the above scheme, after the user sits on the wear-resistant seat, the user can move the buttocks to drive the wear-resistant seat to move forward and backward according to the user's preference, and the movement of the wear-resistant seat drives the connecting plate to move forward and backward. At this time, the connecting shaft drives the moving rod to move laterally, and at the same time, the end of the moving rod rubs in the sleeve to buffer the movement of the wear-resistant seat, and then cooperates with the contraction and rebound of the spring 1, so that it can not only cooperate with the user to move in position, but also buffer the movement of the wear-resistant seat.

[0015] 2. In the above scheme, when the wear-resistant seat surface is damaged due to long-term use, the connecting block and the clamping block are driven to move toward the depth of the circular groove by pulling the pull rod. At this time, the clamping block is separated from the fixing pin, and the damaged wear-resistant seat surface can be removed. Then, the square groove at the bottom of the new wear-resistant seat surface is aligned with the fixing pin on the top of the connecting plate and inserted in the direction of the fixing pin. When the fixing pin contacts the clamping block, the clamping block is squeezed and moves toward the depth of the circular groove. When the fixing pin is fully inserted into the square groove, the clamping block is no longer squeezed, and the connecting block and the clamping block are pushed toward the direction of the fixing pin by spring 2 until they are engaged with the fixing pin, thereby completing the replacement of the wear-resistant seat surface and reducing its cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a dining chair with a wear-resistant seat and a high stability structure;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a dining chair with a wear-resistant seat and a high stability structure from the first perspective;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of a dining chair with a wear-resistant seat and a high stability structure from a second viewing angle;

[0020] Figure 4 for Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0021] Figure 5 for Figure 3 The enlarged schematic diagram of the three-dimensional structure is shown at B in the middle.

[0022] [Reference Signs]

[0023] 1. body; 11. support plate; 111. groove; 112. sleeve; 113. moving rod; 114. connecting shaft; 115. spring 1; 116. connecting plate; 117. fixing pin; 12. backrest; 13. supporting leg;

[0024] 2. Wear-resistant seat surface; 21. Round groove; 22. Spring 2; 23. Connecting block; 24. Clamping block; 25. Pull rod; 26. Square groove;

[0025] 3. Roller; 4. Support rod; 5. Suction cup; 6. Arc groove; 7. Buffer pad.

[0026] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0027] The following is a detailed description of a dining chair with a wear-resistant seat and a high stability structure provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are listed as the best and preferred embodiments, and technicians in some known technical fields can also adopt other alternative methods to implement; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0028] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0029] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0030] It will be understood that the meaning of “on,” “over,” and “above” in this disclosure should be interpreted in the broadest manner, so that “on” means not only “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” means not only “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0031] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0032] like Figure 1 , Figure 2 and Figure 4 As shown, an embodiment of the utility model provides a dining chair with a wear-resistant seat and a high-stability structure, comprising: a main body 1, the main body 1 comprising a support plate 11, a backrest 12 and support legs 13; a groove 111 is provided on the top of the support plate 11, the inner wall of the groove 111 is fixedly equipped with a sleeve 112, the inner wall of the sleeve 112 is slidably connected with a moving rod 113, the end of the moving rod 113 away from the sleeve 112 is fixedly equipped with a connecting shaft 114, the inner wall of the groove 111 is fixedly equipped with a spring 115 providing elastic force, the sleeve 112 and the moving rod 113 are located inside the spring 115, the top of the connecting shaft 114 is fixedly equipped with a connecting plate 116, the top of the connecting plate 116 is fixedly equipped with a fixing pin 117, and the outer wall of the fixing pin 117 is clamped with a wear-resistant seat 2.

[0033] like Figure 2 and Figure 4As shown, a square groove 26 is provided at the bottom of the wear-resistant seat surface 2, a circular groove 21 is provided on the inner wall of the square groove 26, a spring 22 is fixedly assembled on the inner wall of the circular groove 21, a connecting block 23 is fixedly assembled on the end of the spring 22 away from the circular groove 21, a clamping block 24 is fixedly assembled on the side of the connecting block 23 away from the spring 22, the outer wall of the clamping block 24 is clamped with the fixing pin 117, the outer wall of the connecting block 23 is fixedly assembled with a pull rod 25, and the pull rod 25 runs through the wear-resistant seat surface 2. When the wear-resistant seat surface 2 is damaged due to long-term use, the connecting block 23 and the clamping block 24 are driven to move to the depth of the circular groove 21 by pulling the pull rod 25. At this time, the clamping block 24 is separated from the fixing pin 117, so that the damaged wear-resistant seat surface 2 can be removed, and then the square at the bottom of the new wear-resistant seat surface 2 can be fixedly assembled. The groove 26 is aligned with the fixing pin 117 on the top of the connecting plate 116 and is inserted in the direction of the fixing pin 117. When the fixing pin 117 contacts the block 24, the block 24 is squeezed and moves to the depth of the circular groove 21. When the fixing pin 117 is fully inserted into the square groove 26, the block 24 loses the extrusion. The connecting block 23 and the block 24 are pushed in the direction of the fixing pin 117 by the spring 22 until they are engaged with the fixing pin 117, thereby completing the replacement of the wear-resistant seat surface 2, thereby reducing its cost expenditure. An arc groove 6 is provided at the bottom of the backrest 12, and a buffer pad 7 is fixedly assembled on the inner wall of the arc groove 6. By arranging the arc groove 6 and the buffer pad 7, it is beneficial to provide space for the wear-resistant seat surface 2 to move and buffer it when the wear-resistant seat surface 2 moves.

[0034] like Figure 3 and Figure 5 As shown, the inner wall of the support plate 11 is fixedly equipped with a roller 3, and the outer wall of the roller 3 is rollingly connected to the connecting plate 116. The provision of the roller 3 is beneficial to improving the smoothness of the wear-resistant seat surface 2 when it moves forward and backward, and reducing the wear thereof.

[0035] like Figure 2 and Figure 3 As shown, a support rod 4 is fixedly mounted on the bottom of the support leg 13, and a suction cup 5 is fixedly mounted on the bottom of the support rod 4. The arrangement of the support rod 4 and the suction cup 5 is helpful to increase the friction between the device and the contact surface, thereby improving its stability during use.

[0036] like Figure 2 and Figure 4 As shown, an oblique groove is provided at the top of the fixing pin 117, and the shape of the top of the fixing pin 117 is adapted to the block 24. By limiting the fixing pin 117, it is beneficial to install the wear-resistant seat surface 2 more smoothly.

[0037] The technical solution provided by the utility model is that when working, after the user sits on the wear-resistant seat surface 2, the user can move the wear-resistant seat surface 2 forward and backward by moving the buttocks according to the user's preference, and the movement of the wear-resistant seat surface 2 drives the connecting plate 116 to move forward and backward. At this time, the connecting shaft 114 drives the moving rod 113 to move horizontally, and at the same time, the end of the moving rod 113 rubs in the sleeve 112 to buffer the movement of the wear-resistant seat surface 2, and then cooperates with the contraction and rebound of the spring 115, so that it can not only cooperate with the user to move in position, but also buffer the movement of the wear-resistant seat surface 2;

[0038] When the wear-resistant seat surface 2 is damaged after long-term use, the connecting block 23 and the clamping block 24 are moved to the depth of the circular groove 21 by pulling the pull rod 25. At this time, the clamping block 24 is separated from the fixing pin 117, and the damaged wear-resistant seat surface 2 can be removed. Then, the square groove 26 at the bottom of the new wear-resistant seat surface 2 is aligned with the fixing pin 117 at the top of the connecting plate 116, and the new wear-resistant seat surface 2 is inserted in the direction of the fixing pin 117. When the fixing pin 117 contacts the clamping block 24, the clamping block 24 is squeezed and moves to the depth of the circular groove 21. When the fixing pin 117 contacts the clamping block 24, the clamping block 24 is squeezed and moves to the depth of the circular groove 21. After 17 is fully inserted into the square groove 26, the block 24 loses its extrusion, and the connecting block 23 and the block 24 are pushed in the direction of the fixing pin 117 by the spring 22 until they are engaged with the fixing pin 117, thereby completing the replacement of the wear-resistant seat surface 2, thereby reducing its cost expenditure. An arc groove 6 is provided at the bottom of the backrest 12, and a buffer pad 7 is fixedly assembled on the inner wall of the arc groove 6. By providing the arc groove 6 and the buffer pad 7, it is beneficial to provide a moving space for the wear-resistant seat surface 2 and buffer it when the wear-resistant seat surface 2 moves.

[0039] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0040] A person skilled in the art will appreciate that all or part of the steps in the above-mentioned embodiment method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A dining chair with a wear-resistant seat and a highly stable structure, characterized in that: include: A main body (1), the main body (1) comprising a support plate (11), a backrest (12) and support legs (13); The support plate (11) is provided with a groove (111) on the top, a sleeve (112) is fixedly mounted on the inner wall of the groove (111), a moving rod (113) is slidably connected to the inner wall of the sleeve (112), a connecting shaft (114) is fixedly mounted on one end of the moving rod (113) away from the sleeve (112), a spring (115) is fixedly mounted on the inner wall of the groove (111), the sleeve (112) and the moving rod (113) are located inside the spring (115), a connecting plate (116) is fixedly mounted on the top of the connecting shaft (114), a fixing pin (117) is fixedly mounted on the top of the connecting plate (116), and a wear-resistant seat surface (2) is clamped on the outer wall of the fixing pin (117).

2. The dining chair with a wear-resistant seat and a high stability structure according to claim 1, characterized in that: A square groove (26) is provided at the bottom of the wear-resistant seat surface (2), a circular groove (21) is provided on the inner wall of the square groove (26), a spring 2 (22) is fixedly mounted on the inner wall of the circular groove (21), a connecting block (23) is fixedly mounted on the end of the spring 2 (22) away from the circular groove (21), a clamping block (24) is fixedly mounted on the side of the connecting block (23) away from the spring 2 (22), the outer wall of the clamping block (24) is clamped with a fixing pin (117), a pull rod (25) is fixedly mounted on the outer wall of the connecting block (23), and the pull rod (25) passes through the wear-resistant seat surface (2).

3. The dining chair with a wear-resistant seat and a high stability structure according to claim 1, characterized in that: A roller (3) is fixedly mounted on the inner wall of the support plate (11), and an outer wall of the roller (3) is rollingly connected to the connecting plate (116).

4. The dining chair with a wear-resistant seat and a high stability structure according to claim 1, characterized in that: A support rod (4) is fixedly mounted on the bottom of the support leg (13), and a suction cup (5) is fixedly mounted on the bottom of the support rod (4).

5. The dining chair with a wear-resistant seat and a high stability structure according to claim 1, characterized in that: An arc-shaped groove (6) is provided at the bottom of the backrest (12), and a buffer pad (7) is fixedly mounted on the inner wall of the arc-shaped groove (6).

6. The dining chair with a wear-resistant seat and a high stability structure according to claim 2, characterized in that: An oblique groove is provided on the top of the fixing pin (117), and the shape of the top of the fixing pin (117) is compatible with the clamping block (24).

Images