Height-adjustable safety grating

Abstract

The utility model relates to the technical field of safety gratings, and discloses a height-adjustable safety grating, which comprises two mounting seats, an adjusting seat is slidably arranged in each mounting seat, and a height adjusting mechanism is arranged on one side of each mounting seat and used for adjusting the height of the adjusting seat. Wherein a safety grating emitter is arranged on one side of the mounting base located on the left side, and a safety grating receiver is arranged on one side of the mounting base located on the right side. The height of the safety grating transmitter and the height of the safety grating receiver are conveniently adjusted through the arranged height adjusting mechanism, and the positions of the safety grating transmitter and the safety grating receiver can be limited through cooperation of a first connecting arm and a second connecting arm which are rotationally arranged at the bottom of the mounting base, so that the transmitting end corresponds to the receiving end; and meanwhile, the first connecting arm and the second connecting arm rotate to the side face of the mounting base when not connected, and the positions of the first connecting arm and the second connecting arm are limited through a limiting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of safety gratings, in particular to a safety grating with adjustable height. Background Art

[0002] Safety grating is also known as photoelectric safety protection device. In modern factories, people and machines work together. On some potentially dangerous mechanical equipment, such as stamping machinery, shearing equipment, metal cutting equipment, automated assembly lines, automated welding lines, mechanical conveying and handling equipment, etc., safety grating is an advanced technology to protect workers around various dangerous mechanical equipment. Compared with traditional safety measures, such as mechanical fences, sliding doors, pull-back restrictions, etc., safety grating is freer and more flexible, and can reduce operator fatigue.

[0003] After searching, an adjustable safety grating disclosed in application number CN201721259032.9 includes a safety grating light emitter housing, an insulating sleeve is provided at the top and bottom of the safety grating light emitter housing, a micro laser lamp is provided at one end of the insulating sleeve close to the safety grating light emitter housing, and a wiring port is provided at one end of the insulating sleeve away from the safety grating light emitter housing, an infrared bulb fixing plate is provided at the center position of the safety grating light emitter housing, an infrared bulb is provided on the side of the infrared bulb fixing plate close to the micro laser lamp, a bulb protection cover is provided on the side of the safety grating light emitter housing close to the infrared bulb, and a device box is provided at the bottom end of the safety grating light emitter housing. The utility model is provided with a card slot, a safety grating movable plate and bolts, which are convenient for users to adjust the height of the safety grating, avoiding the problem of needing to remove the safety grating before adjusting it;

[0004] However, the above method still has the following defects in actual use: the safety grating includes a transmitter and a receiver, which need to be used in pairs, but during installation, the transmitting end of the transmitter needs to correspond to the receiving end of the receiver, which is easy to cause position errors when installing the transmitter and receiver, affecting the protection accuracy of the safety grating. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a height-adjustable safety grating, which has the advantages of being easy to adjust the height, high in installation accuracy, and not prone to deviation, thereby solving the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a height-adjustable safety grating, comprising a mounting seat, wherein two mounting seats are provided, an adjustment seat is slidably provided inside the mounting seat, and a height adjustment mechanism is provided on one side of the mounting seat to adjust the height of the adjustment seat, wherein a safety grating transmitter is provided on one side of the mounting seat located on the left, and a safety grating receiver is provided on one side of the mounting seat located on the right, wherein a connecting arm 1 is provided at the bottom of the mounting seat located on the right through a shaft rotation, and a connecting arm 2 is provided at the bottom of the mounting seat located on the left through a shaft rotation, the connecting arm 1 is connected to the corresponding connecting arm 2, and a limiting mechanism is provided at the top of the mounting seat.

[0007] As a preferred technical solution of the utility model, the height adjustment mechanism includes a fixed seat, which is arranged on the side of the mounting seat, and there are two fixed seats on each mounting seat, and each two fixed seats located in the same Z-axis direction are rotatably provided with an adjusting screw, and a connecting seat is provided on the other side of the adjusting seat, which is threadedly connected to the adjusting screw, and the top end of the adjusting screw passes through the upper fixed seat and is provided with a turning handle.

[0008] As a preferred technical solution of the utility model, the limiting mechanism includes a positioning seat and a limiting seat, the positioning seat is arranged on the top of the mounting seat through a mounting rod, and the limiting seat is rotatably connected to the top of the mounting seat through a damping shaft.

[0009] As a preferred technical solution of the utility model, the ends of the connecting arm 1 and the connecting arm 2 are provided with corresponding notches and are connected by connecting bolts.

[0010] As a preferred technical solution of the utility model, a mounting frame is provided on the side of the safety grating transmitter and the safety grating receiver, and the mounting frame is connected to the corresponding adjustment seat through mounting screws.

[0011] As a preferred technical solution of the utility model, a slide rail is provided on the side of the adjustment seat, a slide groove is provided inside the mounting seat, and the slide groove is slidably connected to the corresponding slide rail.

[0012] As a preferred technical solution of the utility model, a base is provided at the bottom end of the mounting seat, and a support is provided at the bottom end of the base.

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

[0014] The height-adjustable safety grating can adjust the height of the safety grating transmitter and the safety grating receiver by means of a height adjustment mechanism, and can limit the position of the safety grating transmitter and the safety grating receiver by means of the cooperation of the connecting arm 1 and the connecting arm 2 rotatably arranged at the bottom of the mounting seat, so that the transmitting end corresponds to the receiving end to ensure accuracy. At the same time, the connecting arm 1 and the connecting arm 2 are rotated to the side of the mounting seat when not connected, and their positions are limited by a limiting mechanism without occupying space. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model after the connecting arm 1 and the connecting arm 2 are folded;

[0017] Figure 3 It is a schematic diagram of the partial explosion structure of the utility model;

[0018] Figure 4 For this utility model Figure 1 A is an enlarged structural diagram;

[0019] Figure 5 For this utility model Figure 3 The enlarged structural diagram at B in FIG.

[0020] Figure 6 For this utility model Figure 3 The enlarged structural diagram at C in the figure.

[0021] In the figure: 1. mounting seat; 101. base; 102. support; 2. adjustment seat; 201. slide rail; 3. mounting frame; 4. safety grating transmitter; 5. safety grating receiver; 6. height adjustment mechanism; 601. fixing seat; 602. adjusting screw; 603. connecting seat; 604. turning handle; 7. connecting arm one; 8. connecting arm two; 9. connecting bolt; 10. limiting mechanism; 1001. mounting rod; 1002. positioning seat; 1003. damping shaft; 1004. limiting seat. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6, a height-adjustable safety grating, comprising a mounting seat 1, wherein the mounting seat 1 is provided with two, an adjustment seat 2 is slidably provided inside the mounting seat 1, and the adjustment seat 2 can slide up and down, and a height adjustment mechanism 6 is provided on one side of the mounting seat 1 to adjust the height of the adjustment seat 2, wherein a safety grating transmitter 4 is provided on one side of the mounting seat 1 on the left, and a safety grating receiver 5 is provided on one side of the mounting seat 1 on the right, wherein a connecting arm 1 7 is provided at the bottom of the mounting seat 1 on the right through a shaft rotation, and a connecting arm 2 8 is provided at the bottom of the mounting seat 1 on the left through a shaft rotation, and the connecting arm 1 7 is connected to the corresponding connecting arm 2 8 so that the safety grating transmitter 4 and the safety grating receiver 5 can correspond to each other to ensure installation accuracy, and a limiting mechanism 10 is provided on the top of the mounting seat 1 to limit the position of the connecting arm 1 7 and the connecting arm 2 8 after folding;

[0024] A base 101 is provided at the bottom end of the mounting base 1, and a support 102 is provided at the bottom end of the base 101 for stably supporting the mounting base 1 and connecting it to the ground;

[0025] A slide rail 201 is provided on the side of the adjustment seat 2, and a slide groove is provided inside the mounting seat 1, and the slide groove is slidably connected with the corresponding slide rail 201, and the sliding between the slide groove and the slide rail 201 plays a guiding and limiting role in the movement of the adjustment seat 2;

[0026] A mounting frame 3 is provided on the side of the safety grating transmitter 4 and the safety grating receiver 5, and the mounting frame 3 is connected to the corresponding adjustment seat 2 by mounting screws, so as to facilitate the quick disassembly and assembly of the safety grating transmitter 4 and the safety grating receiver 5;

[0027] The height adjustment mechanism 6 includes a fixed seat 601, which is arranged on the side of the mounting seat 1. There are two fixed seats 601 on each mounting seat 1. Each of the two fixed seats 601 located in the same Z-axis direction is rotatably provided with an adjusting screw 602, and a connecting seat 603 is provided on the other side of the adjusting seat 2, which is threadedly connected with the adjusting screw 602. When the adjusting screw 602 rotates, it can drive the adjusting seat 2 to move up and down. The top of the adjusting screw 602 passes through the upper fixed seat 601 and is provided with a turning handle 604. The turning handle 604 is provided to facilitate the rotation of the adjusting screw 602.

[0028] The ends of the connecting arm 1 7 and the connecting arm 2 8 are provided with corresponding notches, and are connected by connecting bolts 9, so that the connecting arm 1 7 and the connecting arm 2 8 can be quickly installed;

[0029] The limiting mechanism 10 includes a positioning seat 1002 and a limiting seat 1004. The positioning seat 1002 is set on the top of the mounting seat 1 through the mounting rod 1001. The limiting seat 1004 is rotatably connected to the top of the mounting seat 1 through the damping shaft 1003. The positioning seat 1002 limits one side of the connecting arm 1 7 and the connecting arm 2 8 to keep them in a vertical state, and the position of the limiting seat 1004 is rotated to limit the other side of the connecting arm 1 7 and the connecting arm 2 8, so that the connecting arm 1 7 and the connecting arm 2 8 are stored to the side of the mounting seat 1.

[0030] When in use, first connect the mounting bracket 3 with the adjustment seat 2 by installing screws, and first rotate the position of the limit seat 1004 to release the limitation on the connecting arm 1 7 and the connecting arm 2 8, so that the connecting arm 1 7 and the connecting arm 2 8 are rotated to a horizontal state, and the corresponding connecting arm 1 7 and the connecting arm 2 8 are connected by the connecting bolts 9, and then the safety grating is moved to the use site and connected to the ground through the support 102, so as to limit the position of the base 101, and the safety grating transmitter 4 and the safety grating receiver 5 are kept in the same straight line under the action of the connecting arm 1 7 and the connecting arm 2 8, so as to ensure that the transmitting end corresponds to the receiving end, and then the turning handle 604 is turned to drive the corresponding adjusting screw 602 to rotate, and the adjusting screw 602 is threadedly connected to the connecting seat 603, and the adjusting seat 2 is driven to move up and down under the sliding cooperation of the slide rail 201 and the slide groove inside the mounting seat 1, so as to adjust the height of the safety grating transmitter 4 and the safety grating receiver 5;

[0031] It is particularly noted that after the installation is completed, the connecting bolts 9 are removed, and the connecting arms 1 7 and 2 8 are rotated to a vertical state. The positioning seat 1002 is used to limit one side of the connecting arms 1 7 and 2 8 so that they remain in a vertical state, and the position of the limiting seat 1004 is rotated to limit the other side of the connecting arms 1 7 and 2 8, so that the connecting arms 1 7 and 2 8 are stored on the side of the mounting seat 1 without taking up space.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable safety grating, comprising a mounting seat (1), wherein two mounting seats (1) are provided, characterized in that: An adjustment seat (2) is slidably provided inside the mounting seat (1), and a height adjustment mechanism (6) is provided on one side of the mounting seat (1) to adjust the height of the adjustment seat (2), wherein a safety grating transmitter (4) is provided on one side of the mounting seat (1) located on the left, and a safety grating receiver (5) is provided on one side of the mounting seat (1) located on the right, wherein a connecting arm 1 (7) is provided at the bottom of the mounting seat (1) located on the right through a shaft rotation, and a connecting arm 2 (8) is provided at the bottom of the mounting seat (1) located on the left through a shaft rotation, wherein the connecting arm 1 (7) is connected to the corresponding connecting arm 2 (8), and a limiting mechanism (10) is provided at the top of the mounting seat (1).

2. The height-adjustable safety grating according to claim 1, characterized in that: The height adjustment mechanism (6) comprises a fixed seat (601), wherein the fixed seat (601) is arranged on the side of the mounting seat (1), and two fixed seats (601) are arranged on each mounting seat (1), and each of the two fixed seats (601) located in the same Z-axis direction is rotatably provided with an adjusting screw (602), and a connecting seat (603) is provided on the other side of the adjusting seat (2), which is threadedly connected to the adjusting screw (602), and the top end of the adjusting screw (602) passes through the upper fixed seat (601) and is provided with a turning handle (604).

3. The height-adjustable safety grating according to claim 1, characterized in that: The limiting mechanism (10) comprises a positioning seat (1002) and a limiting seat (1004); the positioning seat (1002) is arranged on the top of the mounting seat (1) via a mounting rod (1001); and the limiting seat (1004) is rotatably connected to the top of the mounting seat (1) via a damping shaft (1003).

4. The height-adjustable safety grating according to claim 1, characterized in that: The ends of the connecting arm 1 (7) and the connecting arm 2 (8) are provided with corresponding notches and are connected by connecting bolts (9).

5. The height-adjustable safety grating according to claim 1, characterized in that: A mounting frame (3) is provided on the side of the safety light curtain transmitter (4) and the safety light curtain receiver (5), and the mounting frame (3) is connected to the corresponding adjustment seat (2) via mounting screws.

6. The height-adjustable safety grating according to claim 1, characterized in that: A slide rail (201) is provided on the side of the adjustment seat (2), a slide groove is provided inside the mounting seat (1), and the slide groove is slidably connected to the corresponding slide rail (201).

7. The height-adjustable safety grating according to claim 1, characterized in that: A base (101) is provided at the bottom end of the mounting seat (1), and a support (102) is provided at the bottom end of the base (101).

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