Labor-saving mechanism and drawable tray

Abstract

The utility model relates to the technical field of trays, in particular to a labor-saving mechanism and a drawable tray. The labor-saving mechanism comprises a bottom plate, a connecting plate and a locking structure, the bottom plate is arranged in a gap between a tray and a machine case, the bottom plate is rotationally connected with the tray through a pin column, and when the tray is installed in the machine case, the side wall of the pin column abuts against the machine case. When the tray needs to be pulled out of the case, the locking structure is opened, the connecting plate is manually pulled, so that the connecting plate and the bottom plate rotate around the axis of the pin column, and at the moment, the pin column is propped against the case and serves as a rotating fulcrum, so that a component force in the length direction of the tray can be generated when the bottom plate is rotated; the tray is pulled out of a part of the case, so that the screws are separated from the U-shaped grooves, then the whole tray is pulled out of the case by pulling the tray, and more physical strength is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tray technical field, concretely relates to a labor saving mechanism and pullable tray. BACKGROUND

[0002] The tray in the case is mainly used for installing and dismounting hard disks, provides physical protection, and facilitates management and maintenance of the hard disks. The case has an open end, the tray is pulled out of or inserted into the case through the open end, two clamping screws are arranged in the case, and two U-shaped grooves are arranged at the tail of the tray, the clamping screws are clamped in the U-shaped grooves when the tray is installed in place.

[0003] At present, when the tray is pulled out of the case, the tray is generally directly held, a force along the inside of the case to the open end of the case is given, and the tray is pulled out of the case.

[0004] However, when the length of the tray is relatively long and the weight of the tray is relatively heavy, a great friction force is generated when the tray is pulled out and contacts the bottom of the case, a great force is required to pull out the tray, and physical strength is consumed. CONTENT OF THE UTILITY MODEL

[0005] (I) The problem to be solved by the utility model is how to pull out the tray from the case more labor-saving.

[0006] (II) TECHNICAL SCHEME

[0007] The labor-saving mechanism provided by the utility model is used for pulling out the tray from the case, and comprises a bottom plate, a pin column, a connecting plate and a locking structure.

[0008] The bottom plate is arranged at the gap between the tray and the case.

[0009] The bottom plate is rotationally connected with the tray through the pin column.

[0010] When the tray is installed in the case, the side wall of the pin column abuts against the case.

[0011] One side of the bottom plate is fixedly connected with the connecting plate, and the locking structure is arranged on the connecting plate and used for limiting rotation of the connecting plate around the axis of the pin column.

[0012] According to one embodiment of the utility model, the labor-saving mechanism comprises a clamping hook.

[0013] One side of the bottom plate is provided with the clamping hook used for limiting the bottom plate from being separated from the case along the length direction of the bottom plate.

[0014] According to one embodiment of the utility model, the locking structure comprises a screw, a first through hole is arranged on the connecting plate, and the screw is screwed with the tray after penetrating through the first through hole.

[0015] According to one embodiment of the utility model, the lock structure includes knob and screw ring, the first through hole is firmly connected with the screw ring;

[0016] The knob is fixedly connected with the screw, after the screw passes through the screw ring and is screwed with the screw ring, the screw is screwed with the tray.

[0017] According to one embodiment of the utility model, a plurality of strip slots are formed in the knob.

[0018] According to one embodiment of the utility model, a gap is left between the bottom plate and the tray.

[0019] According to one embodiment of the utility model, the connecting plate includes the first plate body and the second plate body, the first through hole is formed in the second plate body.

[0020] According to one embodiment of the utility model, the second through hole is formed in the bottom plate, the pin column is fixedly connected in the second through hole, one end of the pin column is rotatably connected with the mounting block, and the mounting block is fixedly connected with the tray.

[0021] A pullable tray includes any one of the labor-saving mechanisms.

[0022] The utility model has the advantages of:

[0023] When the tray needs to be pulled out of the case, the lock structure is opened, the connecting plate is manually pulled, the connecting plate and the bottom plate are rotated around the axis of the pin column, at this time, the pin column abuts against the case as a rotating fulcrum, so that a component force along the length direction of the tray appears when the bottom plate is rotated, the tray is pulled out of the case, the screw is separated from the U-shaped groove, and then the whole tray is pulled out of the case by pulling the connecting plate or the tray, without directly pulling the tray along the length direction of the tray from the beginning, more energy is saved.

[0024] The lock structure is arranged, the connecting plate and the bottom plate can be prevented from rotating, the tray is prevented from separating from the case due to the automatic rotation of the connecting plate when the case and the tray are transported, and the safety and stability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0026] Figure 1 A three-dimensional diagram of the labor-saving mechanism provided in Example 1 of the present utility model;

[0027] Figure 2 This is an enlarged bottom view schematically showing the removable tray provided in the second embodiment of the present invention being retained within the chassis;

[0028] Figure 3 This is an enlarged bottom view of the labor-saving mechanism for securing the retractable tray provided in the second embodiment of the present invention;

[0029] Figure 4 This is an enlarged bottom view of the second embodiment of the present invention, in which the retractable tray is unlocked from the chassis;

[0030] Figure 5 This is an enlarged bottom view of the labor-saving mechanism when the pull-out tray is unlocked in accordance with the second embodiment of the present invention.

[0031] Icons: 1. Base plate; 2. Connecting plate; 3. Hook; 4. Pin; 5. Screw; 6. Threaded ring; 7. Knob. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example 1:

[0034] like Figures 1-5 As shown, an embodiment of the present invention provides a labor-saving mechanism for pulling a tray out of a chassis, comprising a bottom plate 1, a pin 4, a connecting plate 2, and a locking structure;

[0035] The bottom plate 1 is set in the gap between the tray and the chassis;

[0036] The bottom plate 1 is rotatably connected to the tray via the pin 4;

[0037] When the tray is installed in the chassis, the side wall of the pin 4 abuts against the chassis;

[0038] A connecting plate 2 is fixedly connected to one side of the base plate 1 , and a locking structure is installed on the connecting plate 2 to limit the rotation of the connecting plate 2 around the axis of the pin 4 .

[0039] When the tray needs to be pulled out of the cabinet, the locking structure is opened, the connecting plate 2 is manually pulled, so that the connecting plate 2 and the bottom plate 1 rotate around the axis of the pin column 4, at this time, since the pin column 4 abuts against the cabinet as a rotating fulcrum, a component along the length direction of the tray is generated when the bottom plate 1 rotates, the tray is pulled out of the cabinet partially, the screw is separated from the U-shaped groove, and then the entire tray is pulled out of the cabinet by pulling the tray, without directly pulling the tray along the length direction of the tray from the beginning, more physical labor is saved.

[0040] The locking structure is arranged, the rotating of the connecting plate 2 and the bottom plate 1 is prevented, the tray is prevented from being separated from the cabinet due to the automatic rotation of the connecting plate 2 when the cabinet and the tray are transported, and the safety and stability are improved.

[0041] It should be noted that the pin column 4 abuts against the outer wall of the opening end of the cabinet.

[0042] According to one embodiment of the utility model, the second through hole is arranged on the bottom plate 1, the pin column 4 is fixedly connected in the second through hole, and one end of the pin column 4 is rotatably connected with the mounting block.

[0043] Preferably, the mounting block is integrally formed with the tray.

[0044] Of course, in the embodiment, the pin column 4 can also be directly rotatably connected with the tray.

[0045] According to one embodiment of the utility model, as shown in Figure 1 and Figure 3 , the labor-saving mechanism comprises the clamping hook 3.

[0046] Along the length direction of the bottom plate 1, one side of the bottom plate 1 is provided with the clamping hook 3 for limiting the bottom plate 1 from being separated from the cabinet.

[0047] In the width direction of the tray, the projection of the connecting plate 2 and the projection of the bottom plate 1 form an "L" type shape, the gap between the bottom wall of the tray and the inner bottom wall of the cabinet is provided with the bottom plate 1, and the connecting plate 2 is located at the opening end of the cabinet.

[0048] When the locking structure works, as shown in Figure 2 and Figure 3 , the clamping hook 3 is inserted into the limiting hole arranged in the cabinet, one side of the clamping hook 3 close to the pin column 4 abuts against the hole wall of the limiting hole of the cabinet, the side wall of the connecting plate 2 contacts the side wall of the tray, the tray is blocked, the tray cannot be separated from the cabinet, and the fixedly connected connecting plate 2, bottom plate 1 and clamping hook 3 cannot rotate around the axis of the pin column 4.

[0049] When the locking structure does not work, as shown in Figure 4 and Figure 5 , the clamping hook 3 is pulled out of the limiting hole arranged in the cabinet, the clamping hook 3 is separated from the limiting hole of the cabinet, the clamping hook 3 is not in contact with the side wall of the connecting plate 2, the connecting plate 2 can rotate around the axis of the pin column 4, and the tray can be pulled out of the cabinet.As shown, the connecting plate 2 is rotationally connected with the tray, holding the connecting plate 2 and driving it to rotate around the axis of the pin column 4, meanwhile the bottom plate 1 can rotate around the axis of the pin column 4, the clamping hook 3 on the other side of the pin column 4 rotates accordingly, in the process of rotation, the clamping hook 3 gradually exits the limiting hole of the case, and then the tray can be pulled out, and in the process of rotating around the pin column 4, the side wall of the pin column 4 abuts against the case, therefore, there is a force dragging the tray outward along the length direction of the tray when rotating, so that the tray slightly moves out of the case, and then the tray is continuously pulled to completely separate, which is more time-saving and labor-saving.

[0050] Further, the clamping hook 3 has a first side wall, a second side wall and a third side wall connected with each other.

[0051] When the locking structure works, the first side wall abuts against the hole wall close to the opening end of the case limiting hole, and the first side wall is the side wall close to the pin column 4. The length of the case limiting hole is greater than the length of the clamping hook 3, so that the clamping hook 3 can move out of or into the case limiting hole.

[0052] According to an embodiment of the utility model, the locking structure comprises a screw 5, a first through hole is formed in the connecting plate 2, and the screw 5 is screwed with the tray after penetrating through the first through hole.

[0053] According to an embodiment of the utility model, the locking structure comprises a knob 7 and a threaded ring 6, and the threaded ring 6 is fixedly connected in the first through hole.

[0054] The knob 7 is fixedly connected with the screw 5, the screw 5 penetrates through the threaded ring 6 and is screwed with the threaded ring 6, and then the screw 5 is screwed with the tray.

[0055] The threaded ring 6 can be screwed in the threaded ring 6, when the screw 5 is withdrawn from the threaded hole of the tray, so that the screw 5 can be screwed in the threaded ring 6, preventing the screw 5 from being placed randomly after being unscrewed and causing the situation of being difficult to find.

[0056] According to an embodiment of the utility model, a plurality of strip-shaped grooves are formed in the knob 7.

[0057] The knob 7 can be conveniently rotated by tools or manually, so that the operation is more convenient, and in order to facilitate manual rotation, a plurality of strip-shaped grooves are formed in the knob 7, so that the friction between the hands is increased, and the situation of slipping during rotation is avoided.

[0058] According to an embodiment of the utility model, a gap is left between the bottom plate 1 and the tray.

[0059] In order to make the bottom plate 1 rotate more smoothly relative to the tray and reduce the friction between the bottom plate 1 and the tray, a certain gap is left between the upper surface of the bottom plate 1 and the lower surface of the tray, so that the surface friction is reduced.

[0060] Further, in order to improve the stability of the bottom plate 1 rotating around the pin column 4, a rolling structure including a rolling ball, a first connecting ring and a second connecting ring can be arranged on the bottom plate 1.

[0061] The first connecting ring and the second connecting ring are coaxially arranged, and the axis of the first connecting ring is perpendicular to the lower surface of the tray.

[0062] The first connecting ring is fixedly connected with the bottom plate 1, the first connecting ring is screwed into the second connecting ring, the end of the second connecting ring away from the first connecting ring is fixedly connected with a third connecting ring, the inner diameter of the third connecting ring is equal to the inner diameter of the first connecting ring and smaller than the inner diameter of the second connecting ring and the diameter of the rolling ball, a hemispherical groove is arranged on the side of the first connecting ring close to the third connecting ring, and the rolling ball is partially arranged in the hemispherical groove and partially arranged in the second connecting ring, and the spherical surface of the rolling ball protrudes from the third connecting ring and abuts against the tray.

[0063] The second connecting ring and the first connecting ring are screwed, so that the rolling ball can be conveniently taken out and replaced.

[0064] The rolling ball can support the tray and improve the stability of the bottom plate 1 when rotating.

[0065] According to an embodiment of the present application, the connecting plate 2 comprises a first plate body and a second plate body connected with each other, and a first through hole is arranged on the second plate body.

[0066] It should be noted that since the tray has a plurality of heat dissipation holes, in order not to hinder the heat dissipation performance of the tray, the height of the first plate body is smaller than the height of the second plate body, so as to not hinder the heat dissipation of the tray as much as possible.

[0067] In the embodiment, the pin column 4 is preferably a cylindrical shape.

[0068] Optionally, the pin column 4 can also have other forms, for example, the pin column 4 comprises a circular shaft and an elliptical shaft connected with each other, the circular shaft is rotatably connected with the tray, the side wall of the elliptical shaft abuts against the outer wall of the opening end of the case, when the tray is installed in place, the short axis end point of the elliptical shaft abuts against the outer wall of the opening end of the case, when the tray needs to be pulled out, with the rotation of the connecting plate 2, the contact position of the elliptical shaft moves from the short axis end point to the long axis end point, and the contact position abuts against the case, therefore, the distance between the axis of the circular shaft and the outer wall of the opening end of the case becomes larger, so that the tray as a whole moves outward, which is more labor-saving compared with directly pulling the tray.

[0069] Embodiment two:

[0070] As Figure 3 and Figure 5As shown in the figure, a pull-out tray comprises a labor-saving mechanism, and further comprises a tray body, the tray body is provided with a locating area, a bottom plate 1 is located in the locating area, the locating area is provided with a fourth side wall and a fifth side wall connected with each other, the fourth side wall and the fifth side wall form a first included angle, the first included angle is an obtuse angle, when the screw 5 is withdrawn from the threaded hole of the tray, the connecting plate 2 rotates around the pin column 4, like Figure 5 As shown in the figure, until the fifth side wall abuts against the side wall of the bottom plate 1.

[0071] In the description of the present application, it should be pointed out that the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0072] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "communication" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly communicated, or it can be indirectly communicated through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0073] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A power saving mechanism for drawing a tray out of a cabinet, characterized by, The utility model relates to a tray locking structure, including bottom plate (1), pin column (4), connecting plate (2) and lock structure; The bottom plate (1) is arranged at the gap between the tray and the case; The bottom plate (1) is rotatably connected with the tray through the pin column (4); When the tray is installed into the case, the side wall of the pin column (4) abuts against the case; One side of the bottom plate (1) is fixedly connected with the connecting plate (2), and the lock structure is installed on the connecting plate (2) and is used for limiting the connecting plate (2) from rotating around the axis of the pin column (4).

2. A force saving mechanism according to claim 1, wherein The labor-saving mechanism comprises a clamping hook (3); Along the length direction of the bottom plate (1), one side of the bottom plate (1) is provided with the clamping hook (3) for limiting the bottom plate (1) from being separated from the case.

3. A force saving mechanism according to claim 1, wherein The lock structure comprises a screw (5), and the connecting plate (2) is provided with a first through hole, and the screw (5) is screwed with the tray after penetrating through the first through hole.

4. A force saving mechanism according to claim 3, wherein The lock structure comprises a knob (7) and a threaded ring (6), and the threaded ring (6) is fixedly connected in the first through hole. The knob (7) is fixedly connected with the screw (5), and the screw (5) is screwed with the threaded ring (6) after penetrating through the threaded ring (6), and then the screw (5) is screwed with the tray.

5. A force reduction mechanism according to claim 4, wherein A plurality of strip-shaped grooves are formed in the knob (7).

6. A force saving mechanism according to claim 1, wherein A gap is formed between the bottom plate (1) and the tray.

7. A force saving mechanism according to claim 3, wherein The connecting plate (2) comprises a first plate body and a second plate body connected with each other, and the first through hole is formed in the second plate body.

8. A force saving mechanism according to claim 1, wherein A second through hole is formed in the bottom plate (1), the pin column (4) is fixedly connected in the second through hole, one end of the pin column (4) is rotatably connected with a mounting block, and the mounting block is fixedly connected with the tray.

9. A drawer characterized in that, The utility model relates to a tray locking structure, including bottom plate (1), pin column (4), connecting plate (2) and lock structure.

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