Workbench convenient to rotate

Abstract

The utility model discloses a working table convenient to rotate, which comprises a main body frame, a table top body rotationally connected with the main body frame is arranged on the main body frame, and a rotating shaft is arranged on the table top body; an adjusting assembly is arranged between the tabletop body and the main body frame and comprises a handle and a gear assembly; the handle is fixedly installed at the tail end of the rotating shaft. When the handle is rotated, the gear assembly rotates synchronously. A one-way ratchet is arranged on the main body frame, a torsional spring assembly is arranged between the one-way ratchet and the main body frame, and the one-way ratchet is meshed with the gear assembly; the main body frame is provided with a placement platform hinged to the main body frame, supporting rods hinged to the placement platform are arranged on the placement platform, and limiting holes are formed in the side face of the main body frame; a locking device is arranged on the main body frame, the locking device comprises a plug pin, and a positioning hole is formed in the table board body. The upper end face and the lower end face of the table top body can be used for containing objects, and universality is good; the table top body and the main body frame are locked through a locking device, and the table top body can be stably kept in a horizontal state.

Description

Technical Field

[0001] The utility model belongs to the field of workbenches, and in particular relates to a conveniently rotatable workbench. Background Art

[0002] A workbench is a commonly used support platform, which is usually used to place tools or to process products on the support platform. Generally, the existing workbench includes a work surface and support legs, and the work surface can be flipped and folded relative to the support legs. In actual operation, the power tools are often fixed on the work surface by fasteners, and then the materials are placed on the work surface and processed with the power tools. Generally, the rotation angle of the existing work surface is limited, and it can only rotate at a small angle. The work surface cannot be flipped 180 degrees, so the power tools can only be fixed on the upper end surface of the work surface, and the fixing area is small. Since the bottom of the work surface often cannot be installed with power tools, the area for installing power tools is limited and the versatility is poor. Therefore, it is necessary to design a workbench that is easy to rotate to overcome the above difficulties. Summary of the invention

[0003] The utility model aims at the problems existing in the prior art and designs a convenient rotating workbench. The utility model installs a table body which can rotate unidirectionally relative to the main frame on the main frame, and the upper and lower end surfaces of the table body can be used; the table body and the main frame are locked by a locking device, and the table body can be stably maintained in a horizontal state.

[0004] The invention objective of the utility model is achieved through the following technical solutions: a workbench that is easy to rotate, comprising a main frame, a table body rotatably connected to the main frame is provided on the main frame, a rotating shaft arranged in pairs is provided on the table body, and the rotating shaft is installed on the main frame through a bearing; an adjustment component for flipping the table body is also provided between the table body and the main frame, and the adjustment component includes a handle and a gear component; the handle is fixedly mounted at the end of the rotating shaft, and the gear component rotates synchronously when the handle is turned; a one-way ratchet is provided at the end of the main frame close to the gear component, a torsion spring component is provided between the one-way ratchet and the main frame, and the one-way ratchet and the gear component are meshed with each other; a placement platform is provided at the end of the main frame away from the adjustment component, a support rod is provided on the placement platform and is hinged to the support rod, and a limiting hole for installing the support rod is provided on the side of the main frame; a locking device for locking the table body is provided on the main frame, the locking device includes a latch, and a positioning hole for inserting the latch is provided on the table body.

[0005] Preferably, the gear assembly includes a first gear, a second gear, a third gear, a fourth gear and a first pin shaft; the first gear and the second gear are both mounted on the rotating shaft through splines, and the first gear and the second gear rotate synchronously with the rotating shaft; the first pin shaft is mounted on the top of the main frame through a bearing, and the first pin shaft and the rotating shaft on which the handle is mounted are arranged parallel to each other; the third gear and the fourth gear are both mounted on the first pin shaft through splines, and the third gear and the fourth gear rotate synchronously with the first pin shaft; the first gear is arranged close to the handle, the first gear and the third gear are meshed with each other, and the second gear and the fourth gear are meshed with each other; the second gear and the one-way ratchet are meshed with each other.

[0006] When the handle is turned, the rotating shaft rotates synchronously, so that the first gear and the second gear can rotate synchronously; because the first pin shaft is installed on the main frame through the bearing, the third gear and the first gear are meshed and rotated, and the fourth gear and the second gear are meshed and rotated, so through the deceleration of the third gear and the fourth gear, the rotating shaft rotates slowly, and the table body rotates more smoothly. At the same time, the second gear is meshed with the one-way ratchet, and the second gear can only rotate in one direction, so the table body can only rotate in one direction, so as to prevent the table body from swaying left and right during the rotation process.

[0007] Preferably, the outer diameter of the first gear is smaller than that of the second gear, the outer diameter of the third gear is larger than that of the fourth gear; the outer diameter of the second gear is larger than that of the third gear. By setting gears with different outer diameters, the rotating shaft is decelerated, which makes it easier for users to rotate the table body through the handle, and the rotation process is more labor-saving.

[0008] Preferably, the main frame is provided with a mounting base fixedly connected thereto, and a screw rod fixedly connected thereto is disposed in the mounting base; the screw rod is provided with a one-way ratchet rotatably connected thereto, and a torsion spring assembly is sleeved and mounted on the screw rod; the body of the torsion spring assembly abuts against the mounting base, and the pin of the torsion spring assembly is mounted on the one-way ratchet. The one-way ratchet can rotate relative to the screw rod, and the one-way ratchet is always abutted against the second gear by the elastic force of the torsion spring assembly, so that the second gear can only rotate in one direction, thereby making the table body only rotate in one direction.

[0009] Preferably, a hinge assembly is provided between the placement platform and the main frame for hingedly connecting the two; the support rods are arranged in pairs on the placement platform, one end of the support rod is hinged to the placement platform, and the other end of the support rod is stuck in the limiting hole; a bending portion is provided at the end of the support rod away from the placement platform, and the bending portion is stuck in the limiting hole.

[0010] The hinge assembly is provided to facilitate the unfolding or folding of the placement platform; when the placement platform is unfolded, the bent portion of the support rod is clamped in the limiting hole of the main frame, so that the placement platform can be stably maintained in the unfolded state.

[0011] Preferably, the placement platform is surrounded by enclosures, which surround the three frames of the placement platform; the placement platform is provided with a mounting plug detachably connected to the end of the placement platform close to the main frame. The enclosure is provided to prevent tools from slipping off the placement platform, and the mounting plug is provided to facilitate opening the mounting plug and then discharge debris from the holes on the placement platform.

[0012] Preferably, the main frame includes a plurality of connecting rods spliced ​​with each other; the locking device also includes a pull ring, a guide tube and a reset spring; the guide tube is hollow and fixedly mounted on the connecting rod of the main frame; the guide tube is arranged toward the positioning hole on the table body; the latch is inserted into the guide tube, and the end of the latch is provided with a pull ring hinged to it; the end of the latch away from the pull ring is provided with a limiting step, and the reset spring is sleeved and mounted on the latch; one end of the reset spring abuts against the limiting step, and the other end of the reset spring abuts against the pull ring.

[0013] In the default state, the locking device is in a locked state, and the end of the latch is inserted into the positioning hole of the table body. At this time, the table body is in a horizontal state and cannot be rotated, and the reset spring is in a compressed state. When the table body needs to be rotated, the locking device must first be switched from a locked state to an unlocked state. The operator pulls the pull ring to disengage the latch from the positioning hole, and then rotates the table body; during the rotation process, the pull ring is released so that the latch is automatically reset under the action of the reset spring. Before the table body is flipped over, the pull ring is pulled in advance to move the latch away from the positioning hole, thereby making way for the table body; when the table body is rotated 180 degrees, and the positioning hole of the table body and the latch are aligned with each other, the pull ring is released at this time, and the latch automatically snaps into the positioning hole, so that the table body can be stably maintained in a horizontal state.

[0014] Preferably, the locking devices are symmetrically distributed on the main frame, the positioning holes are arranged in pairs and correspond to the locking devices one by one; the end of the guide tube is provided with a clearance notch, the clearance notch is arranged along the vertical direction, and the pull ring is inserted in the clearance notch; in the default state, the bolt is stuck in the positioning hole, and when the pull ring is pulled, the bolt moves out of the positioning hole. By setting the clearance notch, it is convenient to position the bolt and the guide tube, so that the bolt and the guide tube remain in a coaxial state, and it is convenient for the bolt to be stuck in the positioning hole.

[0015] Preferably, a roller assembly capable of rotating relative to the main frame is disposed at the bottom of the main frame, and the roller assembly is disposed on four corners of the main frame respectively. By disposing the roller assembly, the main frame can be easily moved.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a table top body rotatably connected to the main frame, and the table top body is conveniently controlled to flip and rotate relative to the main frame by adjusting the assembly, so that items can be placed on both the upper end surface and the lower end surface of the table top body, and has good versatility. A locking device is also provided between the table top body and the main frame, and the table top body is locked by the combination of a latch and a positioning hole to prevent the table top body from rotating relative to the main frame in a horizontal state, so that the table top body can be stably maintained in a horizontal state. A placement platform that can be unfolded and folded relative to the main frame is provided on the side of the main frame, and the placement platform cooperates with the table top body when unfolded, so that there is a larger storage space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 A three-dimensional diagram of another viewing angle of the present invention;

[0019] Figure 3 This is a three-dimensional diagram of the table top body of the utility model after being flipped;

[0020] Figure 4 It is a schematic diagram of the utility model in which the table top body is turned over and the platform is folded;

[0021] Figure 5 The internal structure diagram of the adjustment component;

[0022] Figure 6 A three-dimensional diagram showing another perspective of the internal structure of the adjustment component;

[0023] Figure 7 is a diagram of the internal structure of the locking device;

[0024] Figure 8 for Figure 7 A partial enlarged view of position A in the middle.

[0025] Markings in the figure: 1. Main frame; 101. Connecting rod; 2. Table body; 21. Positioning hole; 3. Rotating shaft; 4. Adjustment assembly; 41. Handle; 42. Gear assembly; 421. First gear; 422. Second gear; 423. Third gear; 424. Fourth gear; 425. First pin shaft; 5. One-way ratchet; 6. Torsion spring assembly; 7. Placement platform; 71. Enclosure; 72. Mounting plug; 8. Support rod; 81. Bending part; 9. Locking device; 91. Pull ring; 92. Guide tube; 93. Reset spring; 94. Limit step; 95. Make way gap; 96. Pin; 10. Limit hole; 11. Mounting base; 12. Screw; 13. Hinge assembly; 14. Roller assembly. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0027] like Figures 1 to 8 As shown, this embodiment discloses a conveniently rotating workbench, including a main frame 1, a table body 2 rotatably connected to the main frame 1, a rotating shaft 3 arranged in pairs on the table body 2, and the rotating shaft 3 is installed on the main frame 1 through a bearing; an adjustment component 4 for flipping the table body 2 is also provided between the table body 2 and the main frame 1, and the adjustment component 4 includes a handle 41 and a gear component 42; the handle 41 is fixedly installed at the end of the rotating shaft 3, and the gear component 42 rotates synchronously when the handle 41 is turned; the main frame 1 is close to the gear A one-way ratchet 5 is provided at the end of the component 42, and a torsion spring component 6 is provided between the one-way ratchet 5 and the main frame 1, and the one-way ratchet 5 and the gear component 42 are meshed with each other; the end of the main frame 1 away from the adjustment component 4 is provided with a placement platform 7 hinged thereto, and the placement platform 7 is provided with a support rod 8 hinged thereto, and the side of the main frame 1 is provided with a limiting hole 10 for installing the support rod 8; the main frame 1 is provided with a locking device 9 for locking the table body 2, and the locking device 9 includes a latch 96, and the table body 2 is provided with a positioning hole 21 for inserting the latch 96.

[0028] The gear assembly 42 includes a first gear 421, a second gear 422, a third gear 423, a fourth gear 424 and a first pin 425; the first gear 421 and the second gear 422 are both mounted on the rotating shaft 3 through a spline, and the first gear 421 and the second gear 422 rotate synchronously with the rotating shaft 3; the first pin 425 is mounted on the top of the main frame 1 through a bearing, and the first pin 425 and the rotating shaft 3 on which the handle 41 is mounted are arranged parallel to each other; the third gear 423 and the fourth gear 424 are both mounted on the first pin 425 through a spline, and the third gear 423 and the fourth gear 424 rotate synchronously with the first pin 425; the first gear 421 is arranged close to the handle 41, the first gear 421 and the third gear 423 are meshed with each other, the second gear 422 and the fourth gear 424 are meshed with each other; the second gear 422 and the one-way ratchet 5 are meshed with each other. The outer diameter of the first gear 421 is smaller than the outer diameter of the second gear 422, the outer diameter of the third gear 423 is larger than the outer diameter of the fourth gear 424; the outer diameter of the second gear 422 is larger than the outer diameter of the third gear 423. The main frame 1 is provided with a mounting base 11 fixedly connected thereto, and a screw 12 fixedly connected thereto is provided inside the mounting base 11; a one-way ratchet 5 rotatably connected thereto is provided on the screw 12, and a torsion spring assembly 6 is also sleeved and installed on the screw 12; the body of the torsion spring assembly 6 abuts against the mounting base 11, and the pin of the torsion spring assembly 6 is installed on the one-way ratchet 5.

[0029] A hinge assembly 13 is provided between the placing platform 7 and the main frame 1 to hinge the two; the support rods 8 are arranged in pairs on the placing platform 7, one end of the support rod 8 is hinged to the placing platform 7, and the other end of the support rod 8 is stuck in the limiting hole 10; the end of the support rod 8 away from the placing platform 7 is provided with a bending part 81, and the bending part 81 is stuck in the limiting hole 10. The placing platform 7 is surrounded by a fence 71, and the fence 71 is arranged around the three borders of the placing platform 7; the end of the placing platform 7 close to the main frame 1 is provided with a mounting plug 72 that is detachably connected to it.

[0030] The main frame 1 includes a plurality of connecting rods 101 that are spliced ​​with each other; the locking device 9 also includes a pull ring 91, a guide tube 92 and a reset spring 93; the guide tube 92 is hollow and fixedly mounted on the connecting rod 101 of the main frame 1; the guide tube 92 is arranged toward the positioning hole 21 on the table body 2; the latch 96 is inserted into the guide tube 92, and the end of the latch 96 is provided with a pull ring 91 hinged thereto; the end of the latch 96 away from the pull ring 91 is provided with a limiting step 94, and the reset spring 93 is sleeved and mounted on the latch 96; one end of the reset spring 93 abuts against the limiting step 94, and the other end of the reset spring 93 abuts against the pull ring 91. The locking devices 9 are symmetrically distributed on the main frame 1, and the positioning holes 21 are arranged in pairs and correspond to the locking devices 9 one by one; the end of the guide tube 92 is provided with a clearance notch 95, and the clearance notch 95 is arranged along the vertical direction, and the pull ring 91 is inserted in the clearance notch 95; in the default state, the latch 96 is stuck in the positioning hole 21, and when the pull ring 91 is pulled, the latch 96 moves away from the positioning hole 21. The bottom of the main frame 1 is provided with a roller assembly 14 that can rotate relative to it, and the roller assembly 14 is respectively on the four corners of the main frame 1.

[0031] The specific operation process of this embodiment is as follows: in the default state, the locking device 9 is in a locked state, at which time the table body 2 is in a horizontal state and cannot rotate relative to the main frame 1; the electric tool to be fixed is fixed to the upper end surface of the table body 2 by screws, so that it can be operated on the upper end surface of the table body 2. When it is necessary to fix another electric tool, there is no need to disassemble the previous electric tool. It is only necessary to flip the table body 2 so that the lower end surface of the table body 2 is flipped 180 degrees, so that the new electric tool can be fixed on the other end surface of the table body 2. In the default state, the locking device 9 is in a locked state, and the end of the latch 96 is inserted into the positioning hole 21 of the table body 2. At this time, the table body 2 is in a horizontal state and cannot rotate, and the reset spring 93 is in a compressed state. When the table body 2 needs to be rotated, the locking device 9 must first be switched from the locked state to the unlocked state. The operator pulls the pull ring 91 to disengage the latch pin 96 from the positioning hole 21, and then rotates the table body 2 through the adjustment component 4; when the handle 41 is rotated, the rotating shaft 3 rotates synchronously, so that the first gear 421 and the second gear 422 can rotate synchronously; since the first pin shaft 425 is installed on the main frame 1 through a bearing, the third gear 423 and the first gear 421 are meshed and rotated, and the fourth gear 424 and the second gear 422 are meshed and rotated, so that through the deceleration of the third gear 423 and the fourth gear 424, the rotating shaft 3 rotates at a slower speed, and the rotation process of the table body 2 is smoother.

[0032] During the rotation of the table body 2, the pull ring 91 is released so that the latch 96 is automatically reset under the action of the reset spring 93. Before the table body 2 is turned over, the pull ring 91 is pulled in advance to make the latch 96 away from the positioning hole 21, so as to make way for the table body 2; when the table body 2 rotates 180 degrees, and the positioning hole 21 of the table body 2 and the latch 96 are aligned with each other, the pull ring 91 is released at this time, and the latch 96 is automatically inserted into the positioning hole 21; then the table body 2 can be stably maintained in a horizontal state, so that a new electric tool can be fixed on the table body 2.

[0033] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A workbench that is easy to rotate, comprising a main frame (1), characterized in that: A table top body (2) rotatably connected thereto is provided on the main frame (1), and a pair of rotating shafts (3) are provided on the table top body (2), and the rotating shafts (3) are mounted on the main frame (1) via bearings; an adjustment assembly (4) for flipping the table top body (2) is also provided between the table top body (2) and the main frame (1), and the adjustment assembly (4) comprises a handle (41) and a gear assembly (42); the handle (41) is fixedly mounted at the end of the rotating shaft (3), and when the handle (41) is rotated, the gear assembly (42) rotates synchronously; a one-way ratchet (5) is provided on the end of the main frame (1) close to the gear assembly (42), and the one-way ratchet (5) is provided on the end of the main frame (1) close to the gear assembly (42), and the one-way ratchet (5) is provided on the end of the main frame (1) close to the gear assembly (42). A torsion spring assembly (6) is provided between the one-way ratchet (5) and the main frame (1), and the one-way ratchet (5) and the gear assembly (42) are meshed with each other; the end of the main frame (1) away from the adjustment assembly (4) is provided with a placement platform (7) hinged thereto, the placement platform (7) is provided with a support rod (8) hinged thereto, and a side surface of the main frame (1) is provided with a limiting hole (10) for mounting the support rod (8); the main frame (1) is provided with a locking device (9) for locking the table top body (2), the locking device (9) comprises a latch (96), and the table top body (2) is provided with a positioning hole (21) for inserting the latch (96).

2. The conveniently rotatable workbench according to claim 1, characterized in that: The gear assembly (42) comprises a first gear (421), a second gear (422), a third gear (423), a fourth gear (424) and a first pin shaft (425); the first gear (421) and the second gear (422) are both mounted on the rotating shaft (3) via a spline, and the first gear (421) and the second gear (422) rotate synchronously with the rotating shaft (3); the first pin shaft (425) is mounted on the top of the main frame (1) via a bearing, and the first pin shaft (425) and the handle (41) are mounted on the first pin shaft (425). The rotating shafts (3) are arranged parallel to each other; the third gear (423) and the fourth gear (424) are both mounted on the first pin shaft (425) via a spline, and the third gear (423) and the fourth gear (424) rotate synchronously with the first pin shaft (425); the first gear (421) is arranged close to the handle (41), the first gear (421) and the third gear (423) are meshed with each other, the second gear (422) and the fourth gear (424) are meshed with each other; the second gear (422) and the one-way ratchet (5) are meshed with each other.

3. The conveniently rotatable workbench according to claim 2, characterized in that: The outer diameter of the first gear (421) is smaller than the outer diameter of the second gear (422); the outer diameter of the third gear (423) is larger than the outer diameter of the fourth gear (424); and the outer diameter of the second gear (422) is larger than the outer diameter of the third gear (423).

4. The conveniently rotatable workbench according to claim 2, characterized in that: The main frame (1) is provided with a mounting base (11) fixedly connected thereto, and the mounting base (11) is provided with a screw (12) fixedly connected thereto; the screw (12) is provided with a one-way ratchet (5) rotatably connected thereto, and a torsion spring assembly (6) is sleeved and mounted on the screw (12); the body of the torsion spring assembly (6) abuts against the mounting base (11), and the pin of the torsion spring assembly (6) is mounted on the one-way ratchet (5).

5. The conveniently rotatable workbench according to claim 1, characterized in that: A hinge assembly (13) is provided between the placement platform (7) and the main frame (1) for hingedly connecting the two. The support rods (8) are arranged in pairs on the placement platform (7), one end of the support rod (8) is hinged to the placement platform (7), and the other end of the support rod (8) is clamped in the limiting hole (10); the end of the support rod (8) away from the placement platform (7) is provided with a bending portion (81), and the bending portion (81) is clamped in the limiting hole (10).

6. The conveniently rotatable workbench according to claim 5, characterized in that: The placement platform (7) is provided with enclosures (71) around its periphery, and the enclosures (71) are arranged around three borders of the placement platform (7); the end of the placement platform (7) close to the main frame (1) is provided with a mounting plug (72) detachably connected thereto.

7. The conveniently rotatable workbench according to claim 1, characterized in that: The main frame (1) comprises a plurality of connecting rods (101) connected to each other; the locking device (9) further comprises a pull ring (91), a guide tube (92) and a return spring (93); the guide tube (92) is hollow and fixedly mounted on the connecting rod (101) of the main frame (1); the guide tube (92) is arranged toward the positioning hole (21) on the table body (2); the latch (96) is inserted into the guide tube (92), and the end of the latch (96) is provided with a pull ring (91) hinged thereto; the end of the latch (96) away from the pull ring (91) is provided with a limiting step (94), and the return spring (93) is sleeved and mounted on the latch (96); one end of the return spring (93) abuts against the limiting step (94), and the other end of the return spring (93) abuts against the pull ring (91).

8. The conveniently rotatable workbench according to claim 7, characterized in that: The locking devices (9) are symmetrically distributed on the main frame (1); the positioning holes (21) are arranged in pairs and correspond to the locking devices (9) one by one; a clearance notch (95) is provided at the end of the guide tube (92); the clearance notch (95) is arranged along the vertical direction; the pull ring (91) is inserted into the clearance notch (95); in a default state, the latch (96) is stuck in the positioning hole (21); when the pull ring (91) is pulled, the latch (96) moves away from the positioning hole (21).

9. The conveniently rotatable workbench according to claim 1, characterized in that: The bottom of the main frame (1) is provided with a roller assembly (14) that can rotate relative to the main frame, and the roller assembly (14) is respectively located on the four corners of the main frame (1).

Images