Universal joint for spliced building blocks

Abstract

The utility model belongs to the technical field of spliced building blocks, and particularly relates to a universal joint for spliced building blocks, which comprises an upper top plate, the upper top plate is circular, the bottom end of the upper top plate is fixedly connected with a vertically arranged lower top plate, and the upper top plate and the lower top plate form a complete circular plate. The right side of the upper top plate and the right side of the lower top plate are each fixedly connected with a horizontally-arranged rotating base, the two rotating bases are close to the top end of the upper top plate and the bottom end of the lower top plate correspondingly and are symmetrically arranged, and the two rotating bases are each provided with a vertically-formed rotating hole and located on the same vertical straight line. And a vertically arranged cross frame is rotationally connected between the two rotating seats. On the premise of ensuring flexible rotation of a normal universal joint, a multi-stage sleeving mode is adopted, so that the device is more convenient to mount and dismount, the overall appearance is cylindrical, no conspicuous special-shaped bulge exists, and the device can be conveniently connected with other parts.

Description

Technical Field

[0001] The utility model relates to the technical field of spliced ​​building blocks, in particular to a universal joint used for spliced ​​building blocks. Background Art

[0002] A universal joint is a mechanical device that allows relative rotation and angular adjustment between two parts. It is used to transmit rotational motion and adapt to different angular changes, allowing two connected parts to move relative to each other.

[0003] Most universal joints are fixed with screws, which makes disassembly and maintenance extremely inconvenient. However, universal joints used in building blocks require a reduced number of screws and nuts, making the splicing method simpler while ensuring flexible rotation.

[0004] To solve the above problems, we propose a universal joint for spliced ​​building blocks. Utility Model Content

[0005] The utility model aims to solve the problems in the background technology and proposes a universal joint for splicing building blocks.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a universal joint for splicing building blocks, comprising an upper top plate, the upper top plate is arranged in a circular shape, the bottom end of the upper top plate is fixedly connected to a vertically arranged lower top plate, the upper top plate and the lower top plate form a complete circular plate, the upper top plate and the right sides of the lower top plate are fixedly connected to a horizontally arranged rotating seat, the two rotating seats are respectively close to the top end of the upper top plate and the bottom end of the lower top plate and are symmetrically arranged with each other, the two rotating seats are both provided with vertically arranged rotating holes and are on the same vertical straight line, a vertically arranged cross is rotatably connected between the two rotating seats, the upper, lower, left and right four ends of the cross are fixedly connected with insertion rods, the two insertion rods located at the upper and lower ends of the cross are respectively slidably inserted in the two rotating holes, and the upper and lower ends of the cross are respectively fitted with one end of the two rotating seats close to each other;

[0007] The left sides of the upper top plate and the lower top plate are fixedly connected with horizontally arranged semicircular rods and the ends close to each other fit together, the left ends of the two semicircular rods are fixedly connected with horizontally arranged threaded rods, the two threaded rods are arranged in a semicircular shape and fit together to form a complete cylindrical threaded rod, a fastening sleeve and a retaining ring are commonly slidably sleeved on the outer side walls of the two semicircular rods, the right end of the fastening sleeve is fit with the left sides of the upper top plate and the lower top plate, the left end of the retaining ring is located at the connection between the semicircular rod and the threaded rod, and a threaded sleeve is commonly threaded sleeved on the two threaded rods.

[0008] In the above-mentioned universal joint for splicing building blocks, the right side of the cross is provided with an upper top plate, a lower top plate, two rotating seats, two semicircular rods and two threaded rods which are the same as those on the left side of the cross, and the rotating holes on the two rotating seats on the right side of the cross are respectively movably inserted into the insertion rods at the left and right ends of the cross.

[0009] In the above-mentioned universal joint for splicing building blocks, the sliding sleeves on the two semicircular rods located on the right side of the cross are provided with a fastening sleeve 1 with the same length as the semicircular rods, and the threaded sleeves on the two threaded sleeves 1 located on the right side are provided with threaded sleeves 2, and the right end of the threaded sleeve 2 is horizontally connected to the fastening sleeve 2.

[0010] In the above-mentioned universal joint for splicing building blocks, the retaining ring includes a first ring and a second ring, the inner diameters of the first ring and the second ring are equal and the outer diameter of the second ring is equal to the outer diameter of the first fastening sleeve, and the outer diameter of the first ring is greater than the outer diameter of the second ring.

[0011] In the above-mentioned universal joint for splicing building blocks, the sum of the lengths of the fastening sleeve 1 and the retaining ring mounted on the two semicircular rods on the left side is equal to the length of the semicircular rods.

[0012] In the above-mentioned universal joint for splicing building blocks, the outer shape of the threaded sleeve 1 is a regular hexagon, and the internal groove of the threaded sleeve 1 is located at the right end of the threaded sleeve 1 and its left end is close to the left end of the threaded sleeve 1.

[0013] Compared with the existing technology, the advantages of the universal joint for splicing building blocks are:

[0014] The utility model adopts a multi-stage sleeve connection method under the premise of ensuring the flexible rotation of the normal universal joint, so that the device is more convenient to install and disassemble. The overall appearance is cylindrical without conspicuous abnormal protrusions, which is convenient for connection with other components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of a universal joint for splicing building blocks proposed by the utility model;

[0016] Figure 2 This is a three-dimensional diagram of a universal joint for a splicing building block proposed by the utility model after rotation;

[0017] Figure 3 The utility model is a schematic diagram of the structure of a universal joint for splicing building blocks after being disassembled.

[0018] In the figure: 1 upper top plate, 2 lower top plate, 3 rotating seat, 4 rotating hole, 5 cross, 6 plug rod, 7 semicircular rod, 8 threaded rod one, 9 fastening sleeve one, 10 retaining ring, 11 threaded sleeve one, 12 threaded sleeve two, 13 threaded rod two, 14 fastening sleeve two. DETAILED DESCRIPTION

[0019] 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.

[0020] Reference Figure 1-Figure 3 , a universal joint for splicing building blocks, including an upper top plate 1, which is arranged in a circular shape, and the bottom end of the upper top plate 1 is fixedly connected to a vertically arranged lower top plate 2, and the upper top plate 1 and the lower top plate 2 form a complete circular plate, and the right sides of the upper top plate 1 and the lower top plate 2 are fixedly connected to a horizontally arranged rotating seat 3, and the two rotating seats 3 are respectively close to the top end of the upper top plate 1 and the bottom end of the lower top plate 2 and are symmetrically arranged with each other, and the two rotating seats 3 are respectively provided with vertically arranged rotating holes 4 and are on the same vertical straight line, and a vertically arranged cross 5 is rotatably connected between the two rotating seats 3, and the upper, lower, left and right four ends of the cross 5 are fixedly connected with insertion rods 6, and the two insertion rods 6 located at the upper and lower ends of the cross 5 are respectively slidably inserted in the two rotating holes 4, and the upper and lower ends of the cross 5 are respectively fitted with the ends of the two rotating seats 3 that are close to each other;

[0021] The left sides of the upper top plate 1 and the lower top plate 2 are fixedly connected with horizontally arranged semicircular rods 7, and the ends close to each other fit together. The left ends of the two semicircular rods 7 are fixedly connected with horizontally arranged threaded rods 8. The two threaded rods 8 are arranged in a semicircular shape and fit together to form a complete cylindrical threaded rod. The outer side walls of the two semicircular rods 7 are jointly slidably sleeved with a fastening sleeve 9 and a retaining ring 10. The sum of the lengths of the fastening sleeves 9 and the retaining rings 10 sleeved on the two semicircular rods 7 on the left is equal to the length of the semicircular rods 7. The retaining rings 10 include The enclosed ring 1 and the ring 2 have the same inner diameter and the outer diameter of the ring 2 is equal to the outer diameter of the fastening sleeve 9. The outer diameter of the ring 1 is larger than the outer diameter of the ring 2. The right end of the fastening sleeve 9 fits with the left sides of the upper top plate 1 and the lower top plate 2. The left end of the retaining ring 10 is located at the connection between the semicircular rod 7 and the threaded rod 8. A threaded sleeve 11 is provided on the two threaded rods 8. The threaded sleeve 11 is in a regular hexagonal shape. The internal groove of the threaded sleeve 11 is located at the right end of the threaded sleeve 11 and its left end is close to the left end of the threaded sleeve 11.

[0022] The right side of the cross 5 is provided with an upper top plate 1, a lower top plate 2, two rotating seats 3, two semicircular rods 7 and two threaded rods 8 which are the same as those on the left side of the cross 5. The rotating holes 4 on the two rotating seats 3 located on the right side of the cross 5 are respectively movably inserted on the insertion rods 6 at the left and right ends of the cross 5. The two semicircular rods 7 located on the right side of the cross 5 are slidingly sleeved with a fastening sleeve 2 14 with the same length as the semicircular rod 7. The two threaded rods 8 located on the right side are threadedly sleeved with a threaded sleeve 2 12, and the right end of the threaded sleeve 12 is horizontally connected with the fastening sleeve 2 14.

[0023] When in use, the retaining ring 10 on the left side and the circular plate composed of the upper top plate 1 and the lower top plate 2 form a limiting ring, and the fastening sleeve 9 and the right end of the retaining ring 10 located between the two will be inserted into another component, so that the device can rotate smoothly under its action, and the four rotating seats 3 and the cross 5 located in the middle will realize the oblique and equal rotation of the connecting piece on the right side of the cross 5 through the rotation of the insertion rod 6 in different rotating holes 4, so that the device can rotate flexibly as a whole.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal joint for a spliced ​​building block, comprising an upper top plate (1), characterized in that: The upper top plate (1) is arranged in a circular shape, and the bottom end of the upper top plate (1) is fixedly connected to a vertically arranged lower top plate (2), and the upper top plate (1) and the lower top plate (2) form a complete circular plate. The right sides of the upper top plate (1) and the lower top plate (2) are fixedly connected to a horizontally arranged rotating seat (3), and the two rotating seats (3) are respectively close to the top end of the upper top plate (1) and the bottom end of the lower top plate (2) and are symmetrically arranged with each other. The two rotating seats (3) are each provided with a vertically arranged rotating hole (4) and are located on the same vertical straight line. A vertically arranged cross (5) is rotatably connected between the two rotating seats (3), and the upper, lower, left and right four ends of the cross (5) are fixedly connected to an insertion rod (6), and the two insertion rods (6) located at the upper and lower ends of the cross (5) are respectively slidably inserted in the two rotating holes (4), and the upper and lower ends of the cross (5) are respectively fitted with the ends of the two rotating seats (3) that are close to each other; The left sides of the upper top plate (1) and the lower top plate (2) are both fixedly connected with a horizontally arranged semicircular rod (7), and the ends close to each other are fitted together. The left ends of the two semicircular rods (7) are both fixedly connected with a horizontally arranged threaded rod (8). The two threaded rods (8) are both arranged in a semicircular shape and fit together to form a complete cylindrical threaded rod. A fastening sleeve (9) and a retaining ring (10) are slidably sleeved on the outer side walls of the two semicircular rods (7). The right end of the fastening sleeve (9) fits with the left sides of the upper top plate (1) and the lower top plate (2). The left end of the retaining ring (10) is located at the connection between the semicircular rod (7) and the threaded rod (8). A threaded sleeve (11) is threadedly sleeved on the two threaded rods (8).

2. A universal joint for splicing building blocks according to claim 1, characterized in that: The right side of the cross (5) is provided with an upper top plate (1), a lower top plate (2), two rotating seats (3), two semicircular rods (7) and two threaded rods (8) which are the same as those on the left side of the cross (5); the rotating holes (4) on the two rotating seats (3) on the right side of the cross (5) are respectively movably inserted into the insertion rods (6) at the left and right ends of the cross (5).

3. A universal joint for splicing building blocks according to claim 2, characterized in that: The sliding sleeves on the two semicircular rods (7) located on the right side of the cross (5) are provided with a second fastening sleeve (14) of the same length as the semicircular rods (7), and the threaded sleeves on the two threaded rods (8) located on the right side are provided with a second threaded sleeve (12), and the right end of the second threaded sleeve (12) is horizontally connected to the second fastening sleeve (14).

4. A universal joint for splicing building blocks according to claim 1, characterized in that: The retaining ring (10) comprises a first circular ring and a second circular ring, the inner diameters of the first circular ring and the second circular ring are equal, the outer diameter of the second circular ring is equal to the outer diameter of the first fastening sleeve (9), and the outer diameter of the first circular ring is greater than the outer diameter of the second circular ring.

5. A universal joint for splicing building blocks according to claim 1, characterized in that: The sum of the lengths of the fastening sleeve 1 (9) and the retaining ring (10) sleeved on the two semicircular rods (7) on the left side is equal to the length of the semicircular rods (7).

6. A universal joint for splicing building blocks according to claim 1, characterized in that: The outer shape of the threaded sleeve 1 (11) is a regular hexagon. The internal groove of the threaded sleeve 1 (11) is located at the right end of the threaded sleeve 1 (11) and its left end is close to the left end of the threaded sleeve 1 (11).

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