Light source frame for physical experiment

Abstract

The utility model discloses a light source frame for physical experiments, which comprises two supporting rods and a sliding block, the left side of the sliding block is provided with two round holes, the supporting rods are positioned in the corresponding round holes, anti-skidding rubber sleeves are adhered and fixed on the inner walls of the bottoms of the round holes, the anti-skidding rubber sleeves are movably sleeved on the corresponding supporting rods, and the sliding block is arranged on the sliding block. And the friction force between the sliding block and the supporting rod in the moving process can be increased through the arrangement of an anti-skid rubber sleeve, and a first groove is formed in the inner wall of the top of the circular hole. Through the arrangement of a series of structures, the height and the transverse position of the light source can be adjusted and fixed according to using requirements, the deviation between the light source and the lens in the using process can be effectively reduced by adjusting the height, the using flexibility is improved, and the position adjusting and fixing mode is convenient to adjust and fix. The situation of light source displacement in the using process can be effectively reduced, and the stability in the using process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of light source racks, in particular to a light source rack for physical experiments. Background Art

[0002] Physics is a discipline that studies the most general laws of material movement and the basic structure of matter. In physical experiments, a light source stand is needed. The light source stand is slidably mounted on a physical experiment stand to support the light source. When conducting physical experiments, it is necessary to make a preliminary adjustment to the position of the light source supported by the light source stand. The light source stand in the prior art lacks a quick fixing structure after adjustment, and there is a situation in which the light source stand is accidentally touched and displaced during use, and the stability of use is low. In addition, the support height cannot be adjusted according to the needs of use, and the flexibility of use is low. When the position of the light source deviates from the center position of the lens, the experimental effect is affected and the use needs cannot be met. Based on the above, we propose a light source stand for physical experiments. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a light source stand for physical experiments.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A light source stand for physical experiments comprises two support rods and a sliding block, wherein two circular holes are provided on the left side of the sliding block, the support rods are located in the corresponding circular holes, a non-slip rubber sleeve is bonded and fixed to the bottom inner wall of the circular hole, the non-slip rubber sleeve is movably sleeved on the corresponding support rod, the setting of the non-slip rubber sleeve can increase the friction between the sliding block and the support rod during the movement of the sliding block, a first groove is provided on the top inner wall of the circular hole, a pressing mechanism that is in close contact with the top of the corresponding non-slip rubber sleeve is installed in the first groove, the pressing mechanism and the non-slip rubber sleeve cooperate to fix the sliding block, a mounting rod is provided above the sliding block, the tops of the two pressing mechanisms are both in contact with the mounting rod The bottom end is fixedly connected, and the top of the sliding block is fixedly connected to two elastic guide mechanisms. The mounting rod is sleeved on the two elastic guide mechanisms, and the elastic guide mechanism has a vertical guiding and driving effect on the mounting rod. A mounting groove is provided on the top of the mounting rod, and an extension rod is slidably installed in the mounting groove. The top of the extension rod extends to the top of the mounting rod. A mounting seat is threadedly sleeved on the extension rod, and the mounting seat is connected to an external light source connector. A threaded drive mechanism is rotatably installed on the bottom inner wall of the mounting groove, and the left side of the threaded drive mechanism extends to the left side of the mounting rod. The extension rod is threadedly sleeved on the threaded drive mechanism, and the threaded drive mechanism is used to adjust the vertical position of the extension rod.

[0006] Preferably, the pressing mechanism includes a pressing block slidably sleeved in the first groove, the bottom of the pressing block is in close contact with the top of the corresponding anti-slip rubber sleeve, and the sliding block is fixed by the friction between the pressing block and the anti-slip rubber sleeve. The top of the pressing block is fixedly connected with a connecting rod, and the top of the connecting rod extends to the top of the sliding block and is fixedly connected to the bottom of the mounting rod.

[0007] Preferably, the elastic guiding mechanism includes a U-shaped rod fixedly connected to the top of the sliding block, a mounting hole is opened at the front bottom of the mounting rod, the tops of the two U-shaped rods extend into the mounting holes, the mounting rod is slidably sleeved on the two U-shaped rods, and a plurality of tension springs in a stretched state are fixedly connected between the top of the U-shaped rod and the top inner wall of the mounting hole. The elastic force of the tension spring is utilized to drive the mounting rod to move vertically and reset when the tension is released in the stretched state.

[0008] Preferably, the threaded drive mechanism includes a screw rod rotatably mounted on the inner wall of the bottom of the mounting groove, an extension rod threadedly sleeved on the screw rod, and the extension rod and the screw rod are threadedly connected in such a way that the extension rod can be driven to move vertically while the screw rod rotates, a first bevel gear located below the extension rod is fixedly sleeved on the screw rod, a second bevel gear is meshed with the left side of the first bevel gear, a rotating shaft is fixedly connected to the left side of the second bevel gear, the left end of the rotating shaft extends to the left side of the mounting rod and is fixedly connected to a knob, and the mounting rod is rotatably sleeved on the rotating shaft.

[0009] Preferably, a first internal thread groove is provided at the bottom of the mounting seat, an external thread is provided at the outer top of the extension rod, the first internal thread groove is meshed with the external thread, and a second internal thread groove is provided at the top of the mounting seat.

[0010] Preferably, a limiting hole is provided on the left inner wall of the mounting groove, a limiting block is fixedly connected to the left bottom of the extension rod, the limiting block is slidably connected to the limiting hole, and the limiting block cooperates with the limiting hole to provide vertical guidance for the extension rod.

[0011] Preferably, a thread groove is formed at the bottom end of the extension rod, and the thread groove is threadably connected to the screw rod.

[0012] Compared with the existing technology, the beneficial effects of the utility model are:

[0013] 1. Through the combination of the threaded drive mechanism and the extension rod, the height position of the light source can be adjusted and quickly fixed according to the needs of use, which can effectively reduce the deviation between the light source and the lens during use. There is no need for personnel to adjust the height of the lens separately, which improves the flexibility of use;

[0014] 2. Through the combination of the pressing mechanism and the elastic guiding mechanism, the lateral position of the light source can be adjusted and quickly fixed according to the needs of use, which can effectively reduce the displacement of the light source during use and improve the stability during use;

[0015] The utility model can adjust and fix the height and lateral position of the light source according to the needs of use through the arrangement of a series of structures. By adjusting the height, the deviation between the light source and the lens during use can be effectively reduced, thereby improving the flexibility of use. In addition, the method of adjusting and fixing the position can effectively reduce the displacement of the light source during use and improve the stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a light source stand for physical experiments proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the main cross-sectional structure of a light source stand for physical experiments proposed by the utility model;

[0018] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A.

[0019] In the figure: 100, support rod; 101, sliding block; 1, anti-slip rubber sleeve; 2, mounting rod; 3, extension rod; 4, screw rod; 5, mounting seat; 6, mounting groove; 7, first bevel gear; 8, second bevel gear; 9, rotating shaft; 10, mounting hole; 11, U-shaped rod; 12, tension spring; 13, first groove; 14, pressing block; 15, connecting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3A light source stand for physical experiments includes two support rods 100 and a sliding block 101. Two circular holes are provided on the left side of the sliding block 101. The support rod 100 is located in the corresponding circular hole. An anti-skid rubber sleeve 1 is bonded and fixed to the inner wall at the bottom of the circular hole. The anti-skid rubber sleeve 1 is movably sleeved on the corresponding support rod 100. The setting of the anti-skid rubber sleeve 1 can increase the friction between the sliding block 101 and the support rod 100 during the movement. A first groove 13 is provided on the inner wall at the top of the circular hole. A pressing mechanism that is in close contact with the top of the corresponding anti-skid rubber sleeve 1 is installed in the first groove 13. A mounting rod 2 is provided above the sliding block 101. The tops of the two pressing mechanisms They are all fixedly connected to the bottom end of the mounting rod 2, wherein the pressing mechanism includes a pressing block 14 slidably sleeved in the first groove 13, the bottom of the pressing block 14 is in close contact with the top of the corresponding anti-slip rubber sleeve 1, and the sliding block 101 is fixed under the action of the friction between the pressing block 14 and the anti-slip rubber sleeve 1, and the top of the pressing block 14 is fixedly connected with a connecting rod 15, the top of the connecting rod 15 extends to the top of the sliding block 101 and is fixedly connected to the bottom of the mounting rod 2, wherein a rectangular through-hole is opened on the inner wall of the top of the first groove 13, the inner wall of the rectangular through-hole is slidably sleeved with the outer side of the corresponding connecting rod 15, and the rectangular through-hole is used for the corresponding connecting rod 15 to pass through;

[0022] The top of the sliding block 101 is fixedly connected to two elastic guide mechanisms, and the mounting rod 2 is sleeved on the two elastic guide mechanisms, wherein the elastic guide mechanism includes a U-shaped rod 11 fixedly connected to the top of the sliding block 101, and a mounting hole 10 is opened at the front bottom of the mounting rod 2, and the tops of the two U-shaped rods 11 extend into the mounting hole 10, and the mounting rod 2 is slidably sleeved on the two U-shaped rods 11, wherein the U-shaped rod 11 is formed by three vertical rods welded to each other, and four guide holes are opened on the bottom inner wall of the mounting hole 10, and the inner walls of the guide holes are in sliding contact with the outer sides of the corresponding U-shaped rods 11, and the U-shaped rod 11 has a vertical guiding effect on the mounting rod 2, and a plurality of tension springs 12 in a stretched state are fixedly connected between the top of the U-shaped rod 11 and the top inner wall of the mounting hole 10, and the elastic force of the tension spring 12 is utilized to drive the mounting rod 2 to move vertically and reset when the tension is relaxed in the stretched state;

[0023] A mounting groove 6 is provided at the top of the mounting rod 2, and an extension rod 3 is slidably installed in the mounting groove 6, wherein a limiting hole is provided on the left inner wall of the mounting groove 6, and a limiting block is fixedly connected to the left bottom of the extension rod 3, and the limiting block is slidably connected to the limiting hole, and the limiting block cooperates with the limiting hole to play a vertical guiding effect on the extension rod 3, and the top of the extension rod 3 extends to the top of the mounting rod 2, and a mounting seat 5 is threadedly sleeved on the extension rod 3, wherein a first internal thread groove is provided at the bottom of the mounting seat 5, and an external thread is provided at the outer top of the extension rod 3, and the first internal thread groove is meshed with the external thread, and a second internal thread groove is provided at the top of the mounting seat 5, and the mounting seat 5 is threadedly connected to the external light source connecting piece through the second internal thread groove;

[0024] A threaded driving mechanism is rotatably installed on the bottom inner wall of the mounting groove 6, and the left side of the threaded driving mechanism extends to the left side of the mounting rod 2. The extension rod 3 is threadedly sleeved on the threaded driving mechanism, and the threaded driving mechanism includes a screw rod 4 rotatably installed on the bottom inner wall of the mounting groove 6, wherein an embedding groove is provided on the bottom inner wall of the mounting groove, and a first bearing is fixedly sleeved in the embedding groove, and the inner side of the inner ring of the first bearing is fixedly connected to the outer side of the screw rod 4, and the first bearing serves the effect of providing a rotational installation for the screw rod 4, and the extension rod 3 is threadedly sleeved on the screw rod 4, wherein a threaded groove is provided at the bottom end of the extension rod 3, and the threaded groove is threadedly connected to the screw rod 4. The extension rod 3 and the screw rod 4 are threadedly connected by the threaded groove, so that the extension rod 3 can be driven to move vertically while the screw rod 4 rotates, and a first bevel gear 7 located below the extension rod 3 is fixedly sleeved on the screw 4. A second bevel gear 8 is meshed on the left side of the bevel gear 7, and a rotating shaft 9 is fixedly connected to the left side of the second bevel gear 8. The left end of the rotating shaft 9 extends to the left side of the mounting rod 2 and is fixedly connected to a knob. The mounting rod 2 is rotatably sleeved on the rotating shaft 9, wherein a bearing hole is opened on the left inner wall of the mounting groove 6, and a second bearing is fixedly sleeved in the bearing hole. The inner side of the inner ring of the second bearing is fixedly connected to the outer side of the rotating shaft 9, and the second bearing serves to provide a rotating installation for the rotating shaft 9. The utility model can adjust and fix the height and lateral position of the light source according to the needs of use through a series of structural settings. By adjusting the height, the deviation between the light source and the lens during use can be effectively reduced, thereby improving the flexibility of use. In addition, the position adjustment and fixing method can effectively reduce the displacement of the light source during use and improve the stability during use.

[0025] Working principle: when in use, the connector of the external light source can be installed and fixed with the extension rod 3 through the mounting seat 5. When there is a deviation between the height position of the light source and the center position of the lens on the physical experiment stand, the knob is turned forward, the knob drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the second bevel gear 8 to rotate, the second bevel gear 8 drives the first bevel gear 7 meshing with it to rotate, the first bevel gear 7 drives the screw 4 to rotate, under the action of the threaded groove provided on the extension rod 3, the screw 4 rotates to drive the extension rod 3 to move upward, the extension rod 3 slides upward in the mounting groove 6, the extension rod 3 drives the external light source to move upward to the required position through the mounting seat 5, the knob is stopped, and the extension rod 3 is fixed under the action of the threaded groove and the thread locking force of the screw 4 itself, so as to realize the fixation of the light source. By adjusting the height position of the light source, when there is a height deviation between the light source and the lens, there is no need for personnel to adjust the height of the lens separately, thereby improving the flexibility of use;

[0026] When adjusting and positioning the lateral position of the light source, the mounting rod 2 is pulled upward, and the mounting rod 2 slides upward on the two U-shaped rods 11. While the mounting rod 2 moves upward, the multiple tension springs 12 are stretched, and the mounting rod 2 drives the two pressing blocks 14 to separate upward from the two anti-slip rubber sleeves 1 through the two connecting rods 15, thereby releasing the squeezing force on the two anti-slip rubber sleeves 1, thereby releasing the fixation of the sliding block 101. At this time, the mounting rod 2 can be moved laterally, and the mounting rod 2 drives the sliding block 101 to move laterally through the two U-shaped rods 11. When the mounting rod 2 drives the light source to move laterally to the required position through the extension rod 3 and the mounting seat 5 in turn, the pushing of the mounting rod 2 is stopped, and then The upward pulling force on the mounting rod 2 is relaxed. At this time, the elastic force of the tension spring 12 in the stretched state drives the mounting rod 2 to move downward. The mounting rod 2 drives the two pressing blocks 14 to move downward through the two connecting rods 15 and squeeze the corresponding anti-slip rubber sleeves 1 respectively. Under the squeezing force, the inner wall of the anti-slip rubber sleeve 1 is in close contact with the outer side of the support rod 100. Under the friction force between the anti-slip rubber sleeve 1 and the support rod 100, the sliding block 101 is fixed, thereby achieving the fixation of the mounting rod 2 and the light source. By adjusting the lateral position of the light source and quickly fixing it, the displacement of the light source during use can be effectively reduced, and the stability during use can be improved.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A light source stand for physical experiments, comprising two support rods (100) and a sliding block (101), wherein the left side of the sliding block (101) is provided with two circular holes, and the support rods (100) are located in the corresponding circular holes, characterized in that: An anti-skid rubber sleeve (1) is bonded and fixed on the inner wall of the bottom of the circular hole, and the anti-skid rubber sleeve (1) is movably mounted on the corresponding support rod (100). A first groove (13) is provided on the inner wall of the top of the circular hole, and a pressing mechanism that is in close contact with the top of the corresponding anti-skid rubber sleeve (1) is installed in the first groove (13). A mounting rod (2) is provided above the sliding block (101), and the tops of the two pressing mechanisms are fixedly connected to the bottom ends of the mounting rod (2). The top of the sliding block (101) is fixedly connected to two elastic The guide mechanism comprises a mounting rod (2) sleeved on two elastic guide mechanisms, a mounting groove (6) is provided on the top of the mounting rod (2), an extension rod (3) is slidably installed in the mounting groove (6), the top end of the extension rod (3) extends to the top of the mounting rod (2), a mounting seat (5) is threadedly sleeved on the extension rod (3), a threaded driving mechanism is rotatably installed on the inner wall of the bottom of the mounting groove (6), the left side of the threaded driving mechanism extends to the left side of the mounting rod (2), and the extension rod (3) is threadedly sleeved on the threaded driving mechanism.

2. A light source stand for physical experiments according to claim 1, characterized in that: The pressing mechanism comprises a pressing block (14) slidably sleeved in the first groove (13), the bottom of the pressing block (14) is in close contact with the top of the corresponding anti-slip rubber sleeve (1), the top of the pressing block (14) is fixedly connected to a connecting rod (15), the top of the connecting rod (15) extends to the top of the sliding block (101) and is fixedly connected to the bottom of the mounting rod (2).

3. A light source stand for physical experiments according to claim 2, characterized in that: The elastic guide mechanism comprises a U-shaped rod (11) fixedly connected to the top of the sliding block (101); a mounting hole (10) is provided at the front bottom of the mounting rod (2); the tops of the two U-shaped rods (11) extend into the mounting hole (10); the mounting rod (2) is slidably sleeved on the two U-shaped rods (11); and a plurality of tension springs (12) in a tensioned state are fixedly connected between the top of the U-shaped rod (11) and the top inner wall of the mounting hole (10).

4. A light source stand for physical experiments according to claim 3, characterized in that: The thread drive mechanism comprises a screw rod (4) rotatably mounted on the inner wall of the bottom of the mounting groove (6); the extension rod (3) is threadedly sleeved on the screw rod (4); a first bevel gear (7) located below the extension rod (3) is fixedly sleeved on the screw rod (4); a second bevel gear (8) is meshed on the left side of the first bevel gear (7); a rotating shaft (9) is fixedly connected to the left side of the second bevel gear (8); the left end of the rotating shaft (9) extends to the left side of the mounting rod (2) and is fixedly connected to a knob; the mounting rod (2) is rotatably sleeved on the rotating shaft (9).

5. A light source stand for physical experiments according to claim 1, characterized in that: The bottom of the mounting seat (5) is provided with a first internal thread groove, the outer top of the extension rod (3) is provided with an external thread, the first internal thread groove is meshed with the external thread, and the top of the mounting seat (5) is provided with a second internal thread groove.

6. A light source stand for physical experiments according to claim 1, characterized in that: A limiting hole is provided on the left inner wall of the installation groove (6), a limiting block is fixedly connected to the left bottom of the extension rod (3), and the limiting block is slidably connected to the limiting hole.

7. A light source stand for physical experiments according to claim 4, characterized in that: The bottom end of the extension rod (3) is provided with a thread groove, which is threadably connected to the screw rod (4).

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