Rack structure with good stability

Abstract

The utility model discloses a rack structure with good stability, which comprises a base, the bottom end of the base is equidistantly hinged with a plurality of telescopic support legs, the top end of the base is rotatably connected with an optical equipment placing block, and optical equipment is placed in the middle of the top end of the optical equipment placing block. A T-shaped sliding groove is formed in the top of the optical equipment containing block, two T-shaped sliding blocks are slidably connected into the T-shaped sliding groove, and positive and negative lead screws are rotationally connected to the two sides of the inner wall of the T-shaped sliding groove. The rotating block drives the positive and negative lead screw to rotate, the rotation of the positive and negative lead screw drives the two T-shaped sliding blocks to draw close to the middle, the T-shaped sliding blocks draw close to the middle to drive the L-shaped positioning plate to limit and fix optical equipment, and the L-shaped braces arranged on the two sides of the L-shaped positioning plate are used for limiting and fixing. And the placing stability of the optical equipment is effectively improved.

Description

Technical Field

[0001] The utility model relates to a frame structure with good stability, belonging to the technical field of equipment frames. Background Art

[0002] At present, when optical equipment is used, in order to reduce the contact between the optical equipment and the ground, the optical equipment is generally placed on a suitable equipment rack for use. For example, when optical equipment is currently used for building measurement, a tripod is used to support the optical equipment.

[0003] During the use of traditional optical equipment brackets, the tripod bracket is mainly inserted into the ground to stabilize the optical equipment, and then the optical equipment is placed on the top of the tripod bracket for use. When this type of bracket is used to support the optical equipment, the optical equipment needs to be rotated during operation. During the rotation process, the stability of the optical equipment cannot be guaranteed. For this reason, we have designed a rack structure with good stability to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a frame structure with good stability to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a base, the bottom end of the base is equidistantly hinged with a plurality of telescopic legs, the top of the base is rotatably connected to an optical device placement block, the middle part of the top of the optical device placement block is placed with an optical device, the top of the optical device placement block is provided with a T-shaped groove, the inside of the T-shaped groove is slidably connected with two T-shaped sliders, the inner walls of the T-shaped groove are rotatably connected with forward and reverse screws, the two ends of the forward and reverse screws are threadedly connected to the middle parts of the corresponding T-shaped sliders, one end of the forward and reverse screws passes through the T-shaped groove and is fixedly installed with a rotating block, the tops of the two T-shaped sliders are fixedly installed with L-shaped positioning plates, and both sides of the two L-shaped positioning plates are interspersed with a plurality of L-shaped pull strips.

[0006] Preferably, an installation groove is opened inside the L-shaped positioning plate, and a plurality of connecting rods are fixedly installed inside the installation groove. A return spring is sleeved on the middle part of the connecting rod, and both ends of the connecting rod are slidably connected with connecting blocks. Both ends of the return spring are fixedly connected to the side surfaces of the corresponding connecting blocks, and the bottom of the connecting block is fixedly connected to the bottom end of the corresponding L-shaped pull strip.

[0007] Preferably, a plurality of the L-shaped pull strips located on the same side are in contact with and connected to the front and back sides of the optical device, and wear-resistant blocks are fixedly bonded to the connection between the L-shaped pull strips and the optical device.

[0008] Preferably, a mounting groove is provided inside the base, a transmission shaft is rotatably connected to the top of the mounting groove, the top of the transmission shaft is fixedly connected to the center of the bottom end of the optical device placement block, and a worm gear is fixedly installed on the bottom of the transmission shaft.

[0009] Preferably, two mounting frames are fixedly mounted on the side walls of the mounting groove, a worm is rotatably connected between the two mounting frames, the worm is meshingly connected with the worm wheel, a servo motor is fixedly mounted on the side of one of the mounting frames, and the output shaft of the servo motor is fixedly connected to the end of the worm.

[0010] Preferably, there are at least three telescopic legs, and the bottom ends of the telescopic legs are tapered.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the rotation of the forward and reverse screws is driven by the rotating block, and the rotation of the forward and reverse screws is used to drive the two T-shaped sliders to move closer to the middle, and the L-shaped positioning plate is driven by the T-shaped sliders moving closer to the middle to limit and fix the optical device, and the L-shaped pull strips set on both sides of the L-shaped positioning plate are used to limit and fix the optical device, thereby effectively improving the stability of the placement of the optical device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of a frame structure with good stability of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of an L-shaped positioning plate of a rack structure with good stability according to the utility model;

[0014] Figure 3 The utility model is a schematic diagram of the internal structure of a base of a frame structure with good stability.

[0015] In the figure: 1. base; 2. telescopic legs; 3. optical device placement block; 4. L-shaped positioning plate; 5. L-shaped pull rod; 6. wear-resistant block; 7. mounting groove; 8. connecting rod; 9. connecting block; 10. reset spring; 11. rotating block; 12. T-shaped slide groove; 13. forward and reverse screws; 14. T-shaped slider; 15. transmission shaft; 16. mounting frame; 17. worm; 18. servo motor; 19. worm gear. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-3 The utility model provides a technical solution for a frame structure with good stability:

[0018] according to Figure 1-3 As shown, it includes a base 1, and a plurality of telescopic legs 2 are equidistantly hinged at the bottom end of the base 1, an optical device placement block 3 is rotatably connected to the top end of the base 1, an optical device is placed in the middle of the top end of the optical device placement block 3, a T-shaped slot 12 is provided on the top of the optical device placement block 3, and two T-shaped sliders 14 are slidably connected inside the T-shaped slot 12, and positive and negative lead screws 13 are rotatably connected to the inner walls of the T-shaped slot 12, and the two ends of the positive and negative lead screws 13 are threadedly connected to the middle parts of the corresponding T-shaped sliders 14, and one end of the positive and negative lead screws 13 passes through the T-shaped slot 12 and is fixedly installed with a rotating block 11, and an L-shaped positioning plate 4 is fixedly installed on the top ends of the two T-shaped sliders 14, and a plurality of L-shaped pull strips 5 are inserted and connected on both sides of the two L-shaped positioning plates 4, and the optical device placed on the top end of the optical device placement block 3 is limited and fixed by the cooperation of the L-shaped positioning plate 4 and the L-shaped pull strip 5, thereby improving the stability of the placement of the optical device.

[0019] according to Figure 1 and Figure 2 As shown, an installation groove 7 is opened inside the L-shaped positioning plate 4, and multiple connecting rods 8 are fixedly installed inside the installation groove 7. A reset spring 10 is sleeved on the middle part of the connecting rod 8. Both ends of the connecting rod 8 are slidably connected with connecting blocks 9. Both ends of the reset spring 10 are fixedly connected to the side surfaces of the corresponding connecting blocks 9, and the bottom of the connecting block 9 is fixedly connected to the bottom end of the corresponding L-shaped pull strip 5.

[0020] Multiple L-shaped pull strips 5 located on the same side are in contact with the front and back sides of the optical device. Wear-resistant blocks 6 are fixedly bonded at the connection between the L-shaped pull strips 5 and the optical device. Through the design of the L-shaped pull strips 5, the optical device is further limited and fixed, thereby improving the stability of the optical device.

[0021] A mounting groove is provided inside the base 1 , and a transmission shaft 15 is rotatably connected to the top of the mounting groove. The top of the transmission shaft 15 is fixedly connected to the center of the bottom end of the optical device placement block 3 , and a worm gear 19 is fixedly installed at the bottom of the transmission shaft 15 .

[0022] Two mounting frames 16 are fixedly mounted on the side walls of the mounting groove, a worm 17 is rotatably connected between the two mounting frames 16, the worm 17 is meshed with a worm wheel 19, a servo motor 18 is fixedly mounted on the side of one of the mounting frames 16, the output shaft of the servo motor 18 is fixedly connected to the end of the worm 17, the servo motor 18 drives the worm 17 to rotate, the worm 17 is meshed with the worm wheel 19, thereby driving the transmission shaft 15 to rotate, and the rotation of the transmission shaft 15 drives the optical device placement block 3 to rotate.

[0023] There are at least three telescopic legs 2, and the bottom ends of the telescopic legs 2 are tapered, which facilitates the insertion of the telescopic legs 2 into the ground and improves the stability of the rack placement.

[0024] Working principle: The utility model provides a rack structure with good stability. When using the optical device rack, firstly, the multiple telescopic legs 2 are manually unfolded and inserted into the ground for fixing, then the optical device 6 is placed at the center position of the top of the optical device placement block 3, and then the rotating block 11 is manually rotated, and the rotation of the rotating block 11 drives the rotation of the positive and negative lead screws 13, and the rotation of the positive and negative lead screws 13 drives the two T-shaped sliders 14 to move closer to the middle, and the T-shaped sliders 14 move closer to the middle to make the two L-shaped positioning plates 4 move closer to the middle, and the two L-shaped The positioning plate 4 contacts with both sides of the optical device, and then the L-shaped pull strips 5 on both sides of the L-shaped positioning plate 4 are manually pulled to make the L-shaped pull strips 5 contact with the front and back of the optical device, so as to firmly fix the optical device on the optical device placement block 3. When the angle of the optical device needs to be adjusted, the power is turned on to turn on the servo motor 18, and the servo motor 18 drives the worm 17 to rotate, and the worm 17 engages with the worm wheel 19, thereby driving the transmission shaft 15 to rotate, and the optical device placement block 3 is driven to rotate by the rotation of the transmission shaft 15 to achieve the adjustment of the horizontal angle of the optical device.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A frame structure with good stability, comprising a base (1), characterized in that: The bottom end of the base (1) is equidistantly hinged with a plurality of telescopic legs (2); the top end of the base (1) is rotatably connected to an optical device placement block (3); an optical device is placed in the middle of the top end of the optical device placement block (3); a T-shaped slot (12) is provided on the top of the optical device placement block (3); two T-shaped sliders (14) are slidably connected inside the T-shaped slot (12); positive and negative lead screws (13) are rotatably connected on both sides of the inner wall of the T-shaped slot (12); the two ends of the positive and negative lead screws (13) are threadedly connected to the middle of the corresponding T-shaped sliders (14); one end of the positive and negative lead screws (13) passes through the T-shaped slot (12) and is fixedly installed with a rotating block (11); the top ends of the two T-shaped sliders (14) are fixedly installed with L-shaped positioning plates (4); and both sides of the two L-shaped positioning plates (4) are interlaced with a plurality of L-shaped pull strips (5).

2. A frame structure with good stability according to claim 1, characterized in that: The L-shaped positioning plate (4) is provided with an installation groove (7) inside, and a plurality of connecting rods (8) are fixedly installed inside the installation groove (7). A reset spring (10) is sleeved on the middle part of the connecting rod (8), and both ends of the connecting rod (8) are slidably connected to connecting blocks (9), and the two ends of the reset spring (10) are fixedly connected to the side surfaces of the corresponding connecting blocks (9), and the bottom of the connecting block (9) is fixedly connected to the bottom end of the corresponding L-shaped pull strip (5).

3. A frame structure with good stability according to claim 1, characterized in that: A plurality of L-shaped pull strips (5) located on the same side are in contact with and connected to the front and back sides of the optical device, and a wear-resistant block (6) is fixedly bonded to the connection between the L-shaped pull strip (5) and the optical device.

4. A frame structure with good stability according to claim 1, characterized in that: The base (1) has an installation groove inside, the top of the installation groove is rotatably connected to a transmission shaft (15), the top of the transmission shaft (15) is fixedly connected to the center of the bottom end of the optical device placement block (3), and the bottom of the transmission shaft (15) is fixedly installed with a worm gear (19).

5. A frame structure with good stability according to claim 4, characterized in that: Two mounting frames (16) are fixedly mounted on the side walls of the mounting groove, a worm (17) is rotatably connected between the two mounting frames (16), the worm (17) is meshingly connected with a worm wheel (19), a servo motor (18) is fixedly mounted on the side of one of the mounting frames (16), and an output shaft of the servo motor (18) is fixedly connected to the end of the worm (17).

6. A frame structure with good stability according to claim 1, characterized in that: There are at least three telescopic legs (2), and the bottom ends of the telescopic legs (2) are conical.

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