Fixing mechanism of safety light curtain

Abstract

The utility model discloses a fixing mechanism for a safety light curtain, which relates to the technical field of safety light curtains and comprises a support, a first lead screw is rotatably arranged in the support, first sliders are arranged at two ends of the first lead screw through screw nut threads, a moving plate is arranged at the top of each first slider, and a rectangular groove is formed in the moving plate. A second lead screw is rotationally arranged in the rectangular groove, a second sliding block is arranged on the surface of the second lead screw through a lead screw nut in a threaded mode, a light curtain body is arranged on one side of the second sliding block through a fixing shell, a threaded rod is arranged in the fixing shell in a threaded mode, a clamping plate is rotationally arranged at one end of the threaded rod, and the clamping plate makes contact with one side of the light curtain body; the light curtain has the advantages that the use distance between the light curtain bodies can be adjusted according to needs, the light curtain bodies can be conveniently used and protected, the height of the light curtain bodies can be adjusted according to needs, and use convenience is good.

Description

Technical Field

[0001] The utility model relates to a fixing mechanism, in particular to a fixing mechanism of a safety light curtain, and belongs to the technical field of safety light curtains. Background Art

[0002] Safety light curtain is a kind of safety protection equipment, which is usually used in industrial and mechanical equipment to monitor whether people, objects or machines are present in a certain area to protect the safety of people and equipment. It consists of a set of transmitters and receivers. The transmitter emits a light beam to the receiver. When the monitored object passes through the light beam, the receiver will send a signal to trigger an alarm or stop the operation of the machine. Safety light curtain has the characteristics of high sensitivity, fast response speed, easy installation and high reliability. It needs to be fixed when using the safety light curtain.

[0003] Among them, the "safety light curtain fixing mechanism" disclosed in the application number "CN202321138420.7" "comprises a base, and a support plate installed on both sides of the base, a plurality of support legs are provided on the lower side of the support plate, four fixing plates are provided on the upper side of the base, and a fixing mechanism is provided inside the base, and the fixing plate is used in conjunction with the fixing mechanism; a safety light curtain is provided on the upper side of the base, and the safety light curtain is fixed to the upper side of the base through a fixing plate; a jack is provided inside the supporting leg, and a driving mechanism is provided on the lower side of the base, and the jack is used in conjunction with the driving mechanism." In the utility model, the threaded rod is used in conjunction with the fixing plate, and then through the cylindrical supporting foot provided at the bottom end of the supporting leg, the effect of increasing the stability of the device is achieved.

[0004] However, the above method still has the following defects: the safety light curtain is fixed by the fixing plate, but the use distance between the safety light curtains is not easy to adjust, which affects the use of the safety light curtain, and the safety light curtain cannot be protected, lacking safety protection measures. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing mechanism for a safety light curtain, so as to solve the problem in the above-mentioned background technology that the use distance between the safety light curtains is not convenient to adjust, which affects the use of the safety light curtains, and cannot play a protective role for the safety light curtains, and lacks safety protection measures.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing mechanism for a safety light curtain, comprising a support, a screw rod 1 is rotatably provided inside the support, both ends of the screw rod 1 are provided with sliders 1 through screw rod nut threads, a movable plate is provided on the top of the slider 1, a rectangular groove is opened inside the movable plate, a screw rod 2 is rotatably provided inside the rectangular groove, a slider 2 is provided on the surface of the screw rod 2 through a screw rod nut thread, a light curtain body is provided on one side of the slider 2 through a fixed shell, a screw is provided on the internal thread of the fixed shell, a clamp is rotatably provided on one end of the screw, and the clamp is in contact with one side of the light curtain body, and a protective box for protecting the light curtain body is provided on the top of the two movable plates.

[0007] As a preferred technical solution of the utility model, the threads at both ends of the screw rod 1 have opposite rotation directions, a sliding groove matching the sliding block 1 is provided on the top of the support, and the sliding block 1 is slidably connected to the sliding groove.

[0008] As a preferred technical solution of the utility model, a driving assembly is provided on one side of the support, and the driving assembly includes a forward and reverse motor 1. The output shaft of the forward and reverse motor 1 passes through the support and is fixedly connected to one end of a screw rod 1. Two guide rods are provided for sliding inside the two sliders 1, and both ends of the guide rods are fixedly connected to the inner wall of the slide groove.

[0009] As a preferred technical solution of the utility model, a forward and reverse motor 2 is provided on the top of the movable plate, the output shaft of the forward and reverse motor 2 passes through the movable plate and is fixedly connected to the top of the screw rod 2, and the slider 2 is slidably connected to the rectangular groove.

[0010] As a preferred technical solution of the utility model, a screwing assembly is provided at the other end of the screw rod, and the screwing assembly includes a knob, and the knob is fixedly installed at the other end of the screw rod. A plurality of anti-slip grooves are provided on the surface of the knob, and two guide columns are symmetrically provided on one side of the splint facing the knob, and one end of the guide column passes through the fixed shell and is placed outside the fixed shell.

[0011] As a preferred technical solution of the utility model, a rubber pad 1 for protecting the light curtain body is provided on the surface of the clamping plate, and a rubber pad 2 for protecting the light curtain body is provided on the inner wall of the fixed shell.

[0012] As a preferred technical solution of the utility model, the two corners at the top of the movable plate are provided with folding plates, and the top of the folding plate is provided with a movable block, the bottoms of both sides of the protective box are provided with movable grooves matching the movable blocks, and the movable blocks are slidably connected to the movable grooves.

[0013] As a preferred technical solution of the utility model, support plates are provided on both sides of the bottom end of the support, and running wheels with wheel brakes are provided on both sides of the bottom end of the support plate.

[0014] Compared with the related art, the fixing mechanism of a safety light curtain provided by the utility model has the following beneficial effects:

[0015] 1. By driving the screw rod 1 to rotate forward and backward, the two sliders 1 and the two moving plates can be synchronously moved in opposite directions, and cooperate with the light curtain body at the fixed shell, so as to facilitate the two light curtain bodies to be adjusted in opposite directions, and the use distance between the light curtain bodies can be adjusted as needed, which is convenient for the use of the light curtain bodies. Through the protective box set at the top of the moving plate, by controlling the forward and reverse rotation of the screw rod 2, the height of the slider 2, the fixed shell and the light curtain body can be adjusted, and the light curtain body is raised to the inside of the protective box, so as to facilitate the protection of the light curtain body. Secondly, the height of the light curtain body itself can be adjusted as needed, and it is convenient to use.

[0016] 2. The screw assembly is set up, and the knob is used to drive the screw to rotate. The guide column and the clamping plate are set up so that the clamping plate clamps and fixes the light curtain body, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the support of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the movable plate of the utility model;

[0020] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0021] Figure 5 It is a schematic diagram of the exploded structure of the light curtain body of the utility model;

[0022] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure at B.

[0023] In the figure: 1. support; 2. screw rod 1; 3. slider 1; 4. moving plate; 5. fixed shell; 6. light curtain body; 7. rectangular groove; 8. screw rod 2; 9. clamping plate; 10. slider 2; 11. folding plate; 12. moving block; 13. protective box; 14. moving groove; 15. screw rod; 16. screw assembly; 1601. knob; 1602. guide column; 17. drive assembly; 1701. forward and reverse motor 1; 1702. guide rod; 1703. forward and reverse motor 2. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] See also Figure 1-6 The utility model provides a fixing mechanism of a safety light curtain, including a support 1, a screw rod 2 is provided inside the support 1 for rotation, both ends of the screw rod 2 are provided with sliders 3 through screw nut threads, a moving plate 4 is provided on the top of the slider 3, and the screw rod 2 is provided to cooperate with the forward and reverse rotation of the screw rod 2, so as to facilitate the synchronous opposite movement of the two sliders 3 and the two moving plates 4, so as to facilitate the opposite adjustment of the fixed shell 5 and the light curtain body 6 inside the fixed shell 5, and the use distance between the light curtains can be adjusted as needed, so as to facilitate the use of the light curtain body 6, a rectangular groove 7 is provided inside the moving plate 4, a screw rod 2 8 is provided inside the rectangular groove 7 for rotation, and a slider 2 10 is provided on the surface of the screw rod 2 8 through the screw nut thread, and the moving plate 4 is driven by the screw rod 2 The forward and reverse rotation of the rod 2 8 causes the slider 2 10, the fixed shell 5 and the light curtain body 6 to move in the vertical direction, which is convenient for adjusting the height of the light curtain body 6, and cooperates with the protective box 13 set at the top, so as to protect the raised light curtain body 6. One side of the slider 2 10 is provided with the light curtain body 6 through the fixed shell 5, and the internal thread of the fixed shell 5 is provided with a screw 15. One end of the screw 15 is rotatably provided with a clamping plate 9, and the clamping plate 9 contacts one side of the light curtain body 6. It is screwed by the set screw 15, so that the light curtain body 6 is clamped and fixed by the clamping plate 9 and the fixed shell 5, and it is convenient to use. The top of the two movable plates 4 is provided with a protective box 13 for protecting the light curtain body 6, which is convenient for protecting the light curtain body 6.

[0027] A driving assembly 17 is provided on one side of the support 1. The driving assembly 17 includes a forward and reverse motor 1701. The output shaft of the forward and reverse motor 1701 penetrates the support 1 and is fixedly connected to one end of the screw rod 2. Two guide rods 1702 are provided for sliding inside the two sliders 3. Both ends of the guide rods 1702 are fixedly connected to the inner wall of the slide groove. The forward and reverse motor 1701 is provided to facilitate driving the screw rod 2 to rotate in the forward and reverse directions, facilitate driving the two sliders 3 to perform synchronous opposite adjustment, and facilitate adjusting the use distance between the light curtain bodies 6.

[0028] A forward and reverse motor 1703 is provided on the top of the moving plate 4, the output shaft of the forward and reverse motor 1703 passes through the moving plate 4 and is fixedly connected to the top of the screw rod 8, and the slider 10 is slidably connected to the rectangular groove 7, so that the screw rod 8 is driven by the forward and reverse motor 1703 to move forward and reverse, thereby facilitating the height adjustment of the light curtain body 6;

[0029] The threads at both ends of the screw rod 2 rotate in opposite directions. A slide groove matching the slider 3 is provided on the top of the support 1, and the slider 3 is slidably connected to the slide groove, which is convenient for driving the two sliders 3 to move synchronously in opposite directions and playing a role of limiting and guiding the slider 3.

[0030] Embodiment 2:

[0031] The other end of the screw rod 15 is provided with a screw assembly 16, which includes a knob 1601, which is fixedly mounted on the other end of the screw rod 15, and a plurality of anti-slip grooves are provided on the surface of the knob 1601. Two guide posts 1602 are symmetrically provided on one side of the clamping plate 9 facing the knob 1601, and one end of the guide post 1602 penetrates the fixed shell 5 and is placed outside the fixed shell 5, so that the screw rod 15 can be driven to rotate by using the set knob 1601, and the clamping plate 9 can be driven to clamp the light curtain body 6, which is convenient to use;

[0032] The surface of the clamping plate 9 is provided with a rubber pad 1 for protecting the light curtain body 6, and the inner wall of the fixed shell 5 is provided with a rubber pad 2 for protecting the light curtain body 6, so as to play a protective clamping role on the surface of the light curtain body 6;

[0033] Folding plates 11 are provided at the two corners at the top of the moving plate 4, and a moving block 12 is provided at the top of the folding plate 11. Moving grooves 14 matching the moving blocks 12 are provided at the bottoms of both sides of the protection box 13, and the moving blocks 12 are slidably connected with the moving grooves 14. The folding plates 11 are provided in coordination with the moving blocks 12, so that the two moving plates 4 are not restricted in any way during the movement, so that the protection box 13 is always kept in a horizontal state, and the moving blocks 12 slide inside the moving grooves 14, and at the same time play a role of supporting and limiting the protection box 13, thereby playing an anti-falling effect;

[0034] Support plates are provided on both sides of the bottom end of the support 1, and running wheels with wheel brakes are provided on both sides of the bottom end of the support plate, so as to facilitate the movement of the fixed light curtain body 6, and make it more flexible to use and operate.

[0035] When in use, first, move the fixing mechanism of the safety light curtain to a suitable position and fix it with a wheel brake, then place the light curtain body 6 between the fixed shell 5 and the clamping plate 9, then drive the screw 15 to rotate by screwing the knob 1601, cooperate with the guide column 1602 and the clamping plate 9, so that the clamping plate 9 can be moved inside the fixed shell 5, so as to facilitate the clamping and fixing of the light curtain body 6 between the clamping plate 9 and the fixed shell 5, and then install another light curtain body 6, and adjust the distance between the two according to the use distance between the light curtain bodies 6. The adjustment is performed, and then the forward and reverse motor 1701 is used to drive the screw rod 2 to rotate, and the screw rod nut and the slider 3 are used to make the two sliders 3 and the moving plate 4 move in opposite directions synchronously, so that the light curtain body 6 inside the fixed shell 5 can be adjusted, which is convenient to use. When the height of the light curtain body 6 needs to be adjusted, the forward and reverse motor 1703 is controlled to drive the screw rod 28 to rotate, so that the slider 2 10 drives the fixed shell 5 and the light curtain body 6 to move in the vertical direction, so that the height of the light curtain body 6 can be adjusted;

[0036] When the light curtain body 6 needs to be protected, the light curtain body 6 can be controlled to continue to rise until it rises to the inside of the protection box 13, thereby realizing the protection of the light curtain body 6. During the movement of the two movable plates 4, the folding plate 11, the moving block 12 and the moving groove 14 are coordinated to make the protection box 13 always maintain a horizontal state, which is convenient for protecting the light curtain body 6.

[0037] Although the 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 fixing mechanism for a safety light curtain, comprising a support (1), characterized in that: A screw rod (2) is rotatably provided inside the support (1), and a slider (3) is provided at both ends of the screw rod (2) through a screw nut thread. A movable plate (4) is provided on the top of the slider (3). A rectangular groove (7) is provided inside the movable plate (4), and a screw rod (8) is rotatably provided inside the rectangular groove (7). A slider (10) is rotatably provided on the surface of the screw rod (8) through a screw nut thread. A light curtain body (6) is provided on one side of the slider (10) through a fixed shell (5). A screw rod (15) is provided on the internal thread of the fixed shell (5). A clamping plate (9) is rotatably provided on one end of the screw rod (15), and the clamping plate (9) contacts one side of the light curtain body (6). A protective box (13) for protecting the light curtain body (6) is provided on the top of the two movable plates (4).

2. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: The threads at both ends of the screw rod 1 (2) are in opposite directions, a slide groove matching the slide block 1 (3) is provided on the top of the support (1), and the slide block 1 (3) is slidably connected to the slide groove.

3. The fixing mechanism of the safety light curtain according to claim 2, characterized in that: A driving assembly (17) is provided on one side of the support (1), and the driving assembly (17) comprises a forward and reverse motor (1701). The output shaft of the forward and reverse motor (1701) passes through the support (1) and is fixedly connected to one end of a screw rod (2). Two guide rods (1702) are provided inside the two sliding blocks (3) for sliding movement, and both ends of the guide rods (1702) are fixedly connected to the inner wall of the slide groove.

4. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: A second forward and reverse motor (1703) is provided on the top of the movable plate (4), the output shaft of the second forward and reverse motor (1703) passes through the movable plate (4) and is fixedly connected to the top of the second screw rod (8), and the second slider (10) is slidably connected to the rectangular groove (7).

5. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: The other end of the screw rod (15) is provided with a screwing assembly (16), and the screwing assembly (16) includes a knob (1601), and the knob (1601) is fixedly mounted on the other end of the screw rod (15). The surface of the knob (1601) is provided with a plurality of anti-slip grooves, and the clamping plate (9) is symmetrically provided with two guide pillars (1602) on one side facing the knob (1601), and one end of the guide pillar (1602) passes through the fixed shell (5) and is placed outside the fixed shell (5).

6. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: A first rubber pad for protecting the light curtain body (6) is provided on the surface of the clamping plate (9), and a second rubber pad for protecting the light curtain body (6) is provided on the inner wall of the fixed shell (5).

7. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: The two corners at the top of the movable plate (4) are provided with folding plates (11), and the top of the folding plate (11) is provided with a movable block (12), and the bottoms of both sides of the protective box (13) are provided with movable grooves (14) matching the movable blocks (12), and the movable blocks (12) are slidably connected to the movable grooves (14).

8. The fixing mechanism of the safety light curtain according to claim 1, characterized in that: Support plates are provided on both sides of the bottom end of the support (1), and running wheels with wheel brakes are provided on both sides of the bottom end of the support plate.

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