Extensible worktable

Abstract

The utility model discloses an extensible work table which comprises two main table plates, the side faces of the two main table plates are symmetrically attached, storage grooves are formed in the opposite side faces of the main table plates, auxiliary table plates are arranged between the main table plates and located in the storage grooves in a sliding mode, table legs are arranged at the bottoms of the main table plates, and a base is arranged below the table legs. A guide groove is formed in the top face of the base in the sliding direction of the auxiliary table board, supports are connected to the bottoms of the table legs, trundles located in the guide groove are rotationally connected to the tail ends of the supports, through holes communicated with the guide groove are formed in the side face of the base, screws are connected to the inner top of the supports, and the lower ends of the screws extend into the through holes from the guide groove. The outer diameter of the fastening nut is larger than that of the guide groove. The table legs move along the guide grooves through the trundles, folding and unfolding of the main table board are adjusted, the auxiliary table board is pulled out of the containing groove when the main table board moves outwards, the usable area of the working table is enlarged, the auxiliary table board is contained in the containing groove when the main table board moves inwards, and space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to worktable technical field, especially a kind of expandable worktable. BACKGROUND

[0002] Worktable can also be called workbench, which is a very common office appliance in factory or enterprise office. Most of the worktables in the prior art are a flat platform.

[0003] The universality and adaptability of fixed-specification worktable are very poor, and often cannot be adapted to the corresponding application environment. Therefore, we propose an expandable worktable. INVENTION CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an expandable worktable, the table leg is displaced along the guide groove with a caster, the main table board is adjusted relative to the auxiliary table board, the main table board is moved outward, and the auxiliary table board is pulled out of the storage groove, so as to expand the usable area of the worktable. When the main table board is moved inward, the auxiliary table board is accommodated in the storage groove, thereby saving space.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] An expandable worktable comprises a main table board, the main table board is provided with two symmetrically attached side surfaces, and a storage groove is formed in each side surface, a sliding auxiliary table board is arranged between the main table boards and in the storage groove;

[0007] The bottom of the main table board is provided with a table leg;

[0008] The bottom of the table leg is provided with a base, a guide groove is formed in the top surface of the base along the sliding direction of the auxiliary table board, a bracket is connected to the bottom of the table leg, and a caster is rotatably connected to the end of the bracket and located in the guide groove;

[0009] A through hole is formed in the side surface of the base and communicates with the guide groove, a screw rod is connected to the inner top of the bracket, the lower end of the screw rod extends into the through hole from the guide groove, and a fastening nut with an outer diameter larger than that of the guide groove is threadedly connected to the outer surface of the screw rod.

[0010] Preferably, a friction ring is coaxially rotatably connected to the upper surface of the fastening nut, the outer diameter of the friction ring is larger than the width of the guide groove, and the outer end side surface of the fastening nut is located at the outer end port of the through hole.

[0011] Preferably, the inner and outer walls of the guide groove are both coated with reinforcing sheets.

[0012] Preferably, a slide rail is arranged on the inner side wall of the storage groove, a slide groove is arranged on the outer side wall of the auxiliary table board, and the slide rail and the slide groove are correspondingly and slidably connected.

[0013] Preferably, the bottom of the main table plate is connected with a connecting sleeve, the outer side wall of the connecting sleeve and the bottom surface of the main table plate are connected with a reinforcing plate, and the table leg and the connecting sleeve are movably sleeved.

[0014] Preferably, the table leg is a lifting table leg.

[0015] Compared with the prior art, the utility model can achieve the beneficial effects that:

[0016] The table leg is displaced along the guide groove by the castor, the main table plate is adjusted relative to the auxiliary table plate, the main table plate is moved outward, the auxiliary table plate is drawn out of the storage groove, the usable area of the work table is expanded, the main table plate is moved inward, and the auxiliary table plate is accommodated in the storage groove, and space is saved.

[0017] After the adjustment is completed, the fastening nut is rotated to abut against the inner top of the through hole, the connection between the table leg and the base is ensured first, the contact area between the base and the ground is expanded and the gravity center is lowered, so that the work table is not prone to displacement during use, and secondly, the contact generates great frictional resistance, the table leg is locked and fixed relative to the base, and accidental displacement of the table leg due to the castor is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model.

[0019] Figure 2 It is a main table plate schematic view of the utility model.

[0020] Figure 3 It is a base schematic view of the utility model.

[0021] Figure 4 It is a support schematic view of the utility model.

[0022] 1, main table plate; 2, auxiliary table plate; 3, table leg; 4, base; 5, sliding groove; 6, storage groove; 7, connecting sleeve; 8, reinforcing plate; 9, sliding rail; 10, guide groove; 11, reinforcing piece; 12, support; 13, through hole; 14, castor; 15, screw rod; 16, fastening nut; 17, friction ring. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the application.

[0025] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the above description of the application, it should be noted that the terms "one side", "the other side" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0027] In addition, the term "same" and the like do not mean that the components must be absolutely the same, but there can be slight differences. The term "vertical" only means that the positional relationship between the components is more vertical than "parallel", and does not mean that the structure must be completely vertical, but can be slightly inclined.

[0028] Embodiments

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the application provides an expandable workbench, which comprises a main table board 1, the main table board 1 is provided with two blocks and symmetrical side surfaces, and the opposite side surfaces are provided with receiving grooves 6, the main table board 1 is provided with a vice table board 2 between the main table board 1 and located in the inside of the receiving groove 6, and the bottom of the main table board 1 is provided with a table leg 3;

[0030] The bottom of the table leg 3 is provided with a base 4, the top surface of the base 4 is provided with a guide groove 10 along the sliding direction of the vice table board 2, the bottom of the table leg 3 is connected with a support 12, and the tail end of the support 12 is rotatably connected with a castor 14 located in the guide groove 10;

[0031] The side surface of the base 4 is provided with a through hole 13 communicated with the guide groove 10, the inner top of the support 12 is connected with a screw rod 15, the lower end of the screw rod 15 extends to the inside of the through hole 13 from the guide groove 10, and the outer surface is threadedly connected with a fastening nut 16 with an outer diameter larger than the guide groove 10;

[0032] The table leg 3 is displaced along the guide groove 10 by the caster 14 to adjust the expansion and contraction of the main table plate 1 relative to the auxiliary table plate 2, the main table plate 1 is moved outward, and the auxiliary table plate 2 is pulled out of the storage groove 6 to expand the usable area of the work table, the main table plate 1 is moved inward, and the main table plate 1 accommodates the auxiliary table plate 2 in the storage groove 6 to save space, after the adjustment is completed, the fastening nut 16 is rotated to be displaced upward and downward, the fastening nut 16 abuts against the inner top of the through hole 13, firstly, the connection between the table leg 3 and the base 4 is ensured, the base 4 expands the contact area with the ground and lowers the center of gravity, so that the work table is not prone to displacement during use, and secondly, the contact generates a large frictional resistance to lock and fix the table leg 3 relative to the base 4, so that the table leg 3 is prevented from being accidentally displaced due to the caster 14.

[0033] As shown in Figures 1 to 4 The utility model discloses a reinforcing sheet 11 is arranged on the inner wall and the outer wall of the port of guide groove 10, the upper surface of fastening nut 16 is coaxially connected with friction ring 17, the outer diameter of friction ring 17 is greater than the width of guide groove 10, and the outer end side of fastening nut 16 is located at the outer port of through hole 13.

[0034] As shown in Figures 1 to 4 The utility model discloses a slide rail 9 is arranged on the inner wall of storage groove 6, the outer wall of auxiliary table plate 2 is provided with sliding slot 5, and the slide rail 9 and sliding slot 5 are correspondingly and slidably connected, the table leg 3 is a lifting table leg, the bottom of main table plate 1 is connected with connecting sleeve 7, the outer wall of connecting sleeve 7 and the bottom surface of main table plate 1 are connected with reinforcing plate 8, and the table leg 3 and connecting sleeve 7 are movably sleeved.

[0035] The utility model provides a kind of expandable work table, table leg 3 is displaced along guide groove 10 by caster 14, adjust the expansion and contraction of main table plate 1 relative to auxiliary table plate 2, main table plate 1 is moved outward, and auxiliary table plate 2 is pulled out of storage groove 6, expand the usable area of work table, main table plate 1 is moved inward, and main table plate 1 accommodates auxiliary table plate 2 in storage groove 6, save space, after adjustment is completed, fastening nut 16 is rotated to be displaced upward and downward, fastening nut 16 abuts against the inner top of through hole 13, firstly, the connection between table leg 3 and base 4 is ensured, base 4 expands the contact area with the ground and lowers the center of gravity, so that the work table is not prone to displacement during use, and secondly, the contact generates a large frictional resistance to lock and fix the table leg 3 relative to the base 4, so that the table leg 3 is prevented from being accidentally displaced due to the caster 14.

[0036] It has to be noted that, as used herein, such terms as "including", "including a", "having", "comprising", "containing", or any other similar term are intended to be encompassing for a passage, a method, an article, or an apparatus that fails to explicitly disclose separate instances of the listed elements. In other words, such terms are to be interpreted in the context as specifying instances of the listed elements but do not preclude the presence of additional elements in the passage, the method, the article, or the apparatus that are either listed elements or additional elements inherent to such passage, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An expandable work table, characterized by: The utility model comprises a main table board (1), wherein the main table board (1) is provided with two pieces and the sides are symmetrically attached, and the opposite sides are provided with a storage groove (6), and a secondary table board (2) is slidably provided between the main table boards (1) and inside the storage groove (6); The bottom of the main table top (1) is provided with table legs (3); A base (4) is provided below the table leg (3), a guide groove (10) is provided on the top surface of the base (4) along the sliding direction of the auxiliary table board (2), a bracket (12) is connected to the bottom of the table leg (3), and a caster (14) located inside the guide groove (10) is rotatably connected to the end of the bracket (12); A through hole (13) communicating with the guide groove (10) is provided on the side of the base (4); a screw rod (15) is connected to the inner top of the bracket (12); the lower end of the screw rod (15) extends from the guide groove (10) to the inside of the through hole (13), and a fastening nut (16) having an outer diameter larger than that of the guide groove (10) is threadedly connected to the outer surface of the screw rod.

2. The expandable work table according to claim 1, characterized in that: The upper surface of the fastening nut (16) is coaxially rotatably connected to a friction ring (17), the outer diameter of the friction ring (17) is larger than the width of the guide groove (10), and the outer end side surface of the fastening nut (16) is located at the outer end of the through hole (13).

3. The expandable work table according to claim 1, characterized in that: The inner and outer walls of the port of the guide groove (10) are both covered with reinforcement sheets (11).

4. The expandable work table according to claim 1, characterized in that: The inner side wall of the storage groove (6) is provided with a slide rail (9), and the outer side wall of the auxiliary table board (2) is provided with a slide groove (5), and the slide rail (9) and the slide groove (5) correspond to each other and are slidably connected.

5. The expandable work table according to claim 1, characterized in that: The bottom of the main table board (1) is connected to a connecting sleeve (7), a reinforcing plate (8) is connected between the outer wall of the connecting sleeve (7) and the bottom surface of the main table board (1), and the table legs (3) and the connecting sleeve (7) are movably connected.

6. The expandable work table according to claim 1, characterized in that: The table legs (3) are lifting table legs.

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