Self-locking mechanism of cam

Abstract

The utility model relates to the field of self-locking mechanisms, in particular to a cam self-locking mechanism which comprises a base, a top plate and a cushion table are arranged on the top face of the base, a sliding way is reserved between the top plate and the base, two ends of the cushion table penetrate into the sliding way, an air cylinder is arranged on the side face of the base, a movable end of the air cylinder is connected with the cushion table, and protective plates are symmetrically arranged on two sides of the cushion table. The protective plate is provided with a sliding way opening, the two ends of the movable plate block penetrate through the sliding way opening, the top face of the cushion table and the sliding way opening climb in the direction of the air cylinder, the movable plate block is arranged on the cushion table, and the lower end of the movable plate block is in a cam shape. According to the self-locking mechanism of the cam, by arranging the top plate, the cushion table and the sliding way, the cushion table can slide along the sliding way along the base, and normal self-locking and unlocking of the movable plate are guaranteed; by arranging the air cylinder, the cushion table is conveniently driven to reset and dislocate; and by arranging the protective plate and the slide way opening, the movable plate block can stably slide along the slide way opening.

Description

Technical Field

[0001] The utility model relates to the field of self-locking mechanisms, in particular to a self-locking mechanism of a cam. Background Art

[0002] The self-locking mechanism is a special mechanical device that has the characteristic of preventing the movement of the mechanism under certain conditions. It can automatically lock the movement of the mechanism parts without external force, thereby ensuring that the equipment remains stable and safe under certain circumstances.

[0003] The existing self-locking mechanisms still have the following problems: some self-locking mechanisms need to be designed with more necessary parts to improve the self-locking performance, which makes the entire structure look more complicated, thereby increasing the difficulty of installation. Utility Model Content

[0004] The purpose of the utility model is to solve the above defects and provide a self-locking mechanism of a cam.

[0005] The purpose of the utility model is achieved in the following way: a self-locking mechanism of a cam, comprising a base, a top plate and a pad are provided on the top surface of the base, a slideway is left between the top plate and the base, both ends of the pad pass through the slideway, a cylinder is provided on the side of the base, the movable end of the cylinder is connected to the pad, guard plates are symmetrically provided on both sides of the pad, slideway openings are provided on the guard plates, both ends of the moving plate pass through the slideway openings, the top surface of the pad and the shape of the slideway both climb along the direction of the cylinder, a moving plate is provided on the pad, and the lower end of the moving plate is cam-shaped.

[0006] In the above description, as a further solution, the movable plate is composed of a block, a bearing, a fixed rod and a positioning wheel. The block is arranged on the top surface of the platform, the fixed rod passes through the bottom end of the block, the bearings and the positioning wheels are arranged in sequence along the direction of the block at both ends of the fixed rod passing through the block, and the positioning wheel slides along the slide opening.

[0007] In the above description, as a further solution, a first mounting hole is provided on the top surface of the block.

[0008] In the above description, as a further solution, a limiter is provided on the side of the base, and the limiting movable end of the limiter is parallel to the extension and retraction direction of the cylinder.

[0009] In the above description, as a further solution, a second mounting hole is provided on the base.

[0010] In the above description, as a further solution, the top surface of the pad and the shape of the slideway are both " 丿 Rotate 90 degrees.

[0011] The beneficial effects produced by the utility model are as follows: the self-locking mechanism of the cam, by arranging the top plate, the pad and the slide, is convenient for the pad to slide along the slide along the base, ensuring the normal self-locking and unlocking of the moving plate; by arranging the cylinder, it is convenient to drive the pad to reset and dislocate; by arranging the guard plate and the slide opening, the moving plate can slide stably along the slide opening; by arranging the top surface of the pad and the shape of the slide opening to climb along the direction of the cylinder, ensuring the normal self-locking and unlocking of the moving plate; the overall structure is simple, easy to install and operate, and at the same time, the cylinder is introduced to realize automatic self-locking and unlocking, and the effect of self-locking and unlocking can be quickly achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of a self-locking mechanism of a cam in the utility model;

[0013] Figure 2 This is a front view of a cam self-locking mechanism of the utility model;

[0014] Figure 3 It is an exploded view of a self-locking mechanism of a cam of the utility model;

[0015] In the figure: 1-base, 2-top plate, 3-pad, 4-slide, 5-cylinder, 6-guard plate, 7-slide opening, 8-movable plate, 9-block, 10-bearing, 11-fixing rod, 12-positioning wheel, 13-first mounting hole, 14-limiter, 15-second mounting hole. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0018] See also Figure 1-3The cam self-locking mechanism specifically implemented therein comprises a base 1, a top plate 2 and a pad 3 are provided on the top surface of the base 1, a slideway 4 is left between the top plate 2 and the base 1, and the two ends of the pad 3 pass through the slideway 4. By setting the top plate 2, the pad 3 and the slideway 4, it is convenient for the pad 3 to slide along the slideway 4 along the base 1, ensuring the normal self-locking and unlocking of the moving plate; a cylinder 5 is provided on the side of the base 1, and the movable end of the cylinder 5 is connected to the pad 3, and guard plates 6 are symmetrically provided on both sides of the pad 3, and a slideway opening 7 is provided on the guard plates 6. By setting the guard plates 6 and the slideway opening 7, the moving plate can slide stably along the slideway opening 7; the two ends of the moving plate pass through the slideway opening 7, and the shapes of the top surface and the slideway of the pad 3 both climb in the direction of the cylinder 5, and the shapes of the top surface and the slideway of the pad 3 both climb in the direction of the cylinder 5, ensuring the normal self-locking and unlocking of the moving plate; a moving plate is provided on the pad 3, and the lower end of the moving plate is cam-shaped. The overall structure is simple and easy to install and operate. At the same time, the cylinder 5 is introduced to realize automatic self-locking and unlocking, and the effect of self-locking and unlocking is quickly achieved.

[0019] The self-locking process in the embodiment of the utility model is: pneumatic movement pushes the pad 3 forward, the moving plate moves upward, and the moving seat reaches the end. When the moving plate is subjected to downward pressure, it can withstand a larger pressure to achieve the self-locking function. Only when pneumatically reset can the moving plate return to the initial position.

[0020] Specifically, the moving plate is composed of a block 9, a bearing 10, a fixing rod 11 and a positioning wheel 12. The arrangement of the bearing 10 facilitates the moving plate to stably move along the top surface of the support platform 3, thereby improving the speed of self-locking and unlocking. The block 9 is arranged on the top surface of the support platform 3, the fixing rod 11 passes through the bottom end of the block 9, the bearing 10 and the positioning wheel 12 are sequentially arranged along the direction of the block 9 at both ends of the fixing rod 11 passing through the block 9, and the positioning wheel 12 slides along the slideway opening 7.

[0021] In this embodiment, a first mounting hole 13 is provided on the top surface of the block 9. The first mounting hole 13 is provided to facilitate installation of required accessories on the first mounting hole 13, so that different accessories can realize the self-locking function, thereby improving the versatility of the self-locking mechanism of this cam.

[0022] In this embodiment, a limiter 14 is provided on the side of the base 1 . The setting of the limiter 14 allows the support platform 3 to move at a specified position, and the limiting movable end of the limiter 14 is parallel to the extension and retraction direction of the cylinder 5 .

[0023] In this embodiment, the base 1 is provided with a second mounting hole 15. The second mounting hole 15 is provided to facilitate the installation of required accessories on the base 1, thereby improving the versatility of the self-locking mechanism of the cam.

[0024] In this embodiment, the top surface of the pad 3 and the shape of the slideway are both " 丿 Rotate 90 degrees.

[0025] The above contents are further detailed descriptions of the present invention in combination with specific further embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as the protection scope of the present invention.

Claims

1. A cam self-locking mechanism, comprising a base, characterized in that: The top surface of the base is provided with a top plate and a pad, a slideway is left between the top plate and the base, both ends of the pad pass through the slideway, a cylinder is provided on the side of the base, the movable end of the cylinder is connected to the pad, guard plates are symmetrically arranged on both sides of the pad, slideway openings are arranged on the guard plates, both ends of the moving plate pass through the slideway openings, the top surface of the pad and the shape of the slideway both climb along the direction of the cylinder, a moving plate is provided on the pad, and the lower end of the moving plate is cam-shaped.

2. A cam self-locking mechanism according to claim 1, characterized in that: The movable plate is composed of a block, a bearing, a fixing rod and a positioning wheel. The block is arranged on the top surface of the pad, the fixing rod passes through the bottom end of the block, the bearings and the positioning wheels are arranged in sequence at both ends of the fixing rod passing through the block along the direction of the block, and the positioning wheel slides along the slideway.

3. A cam self-locking mechanism according to claim 2, characterized in that: The top surface of the block is provided with a first mounting hole.

4. A cam self-locking mechanism according to claim 1 or 2, characterized in that: A limiter is provided on the side of the base, and the limiting movable end of the limiter is parallel to the telescopic direction of the cylinder.

5. A cam self-locking mechanism according to claim 1 or 2, characterized in that: A second mounting hole is provided on the base.

6. A cam self-locking mechanism according to claim 1 or 2, characterized in that: The top surface of the pad and the shape of the slideway are " 丿 Rotate 90 degrees.

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