A connection structure between a foot plate and a column

Abstract

The utility model belongs to the technical field of assembly connection structure, specifically a connection structure between a foot plate and a column, comprising a fixing sleeve fixed on the foot plate, the fixing sleeve is sleeved with the column, a movable groove is provided on the column, a fixing block is arranged in the movable groove, the fixing sleeve and the column are fixedly assembled by the cooperation of fixing bolts and the fixing block, a movable through hole is provided on the fixing bolt, a limiting mechanism is arranged in the movable through hole, the limiting mechanism limits the position of the fixing bolt, and through the cooperation of the limiting mechanism, the fixing bolt is effectively prevented from loosening and sliding when impacted by external force, thereby ensuring the stability and safety of the whole structure, and further ensuring the safety of children; a movable groove for the movement of the fixing block is provided on the column, the movable groove is in a trapezoidal structure, the fixing block is also in a trapezoidal structure, the two oblique angles of the fixing block are smaller than the two oblique angles of the movable groove, such a design makes the fixing block more tightly and more firmly connected with the two oblique surfaces of the movable groove.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembly connection structures, in particular to a connection structure between a foot plate and a column. Background Art

[0002] Children's amusement facilities are designed specifically for children to provide a platform for entertainment, exercise and intellectual development. They are diverse, including carousels, swings, slides, climbing frames, etc. There are both indoor naughty castles and handicraft equipment, as well as outdoor Ferris wheels and trains, etc., which stimulate curiosity and desire for exploration and promote children's intellectual development. These children's facilities need to be built and assembled using foot plates and columns. The foot plates and columns are installed through a fixed structure to ensure that children can enjoy their play time safely and happily.

[0003] The existing footplate and column connection structure is mainly composed of the following parts: fixing bolts, fixing nuts, etc. The working principle is: the working principle of the fixing bolts and fixing nuts is based on thread matching. By rotating the nut, the bolt generates a pre-tightening force, thereby achieving a fastened connection between the footplate and the column.

[0004] The connection structure between the foot plate and the column in the existing technology has the following disadvantages: as time goes by, since the amusement facilities are often subjected to external force impacts and children play, the fixing state of the fixing bolts and the fixing nuts is prone to change and become loose, which brings great safety hazards and makes it difficult to ensure the safety of children. Therefore, a connection structure between the foot plate and the column is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the existing connection structure between the foot plate and the column, and to solve the problem that over time, due to the frequent impact of external forces on amusement facilities and the play of children, the fixing states of the fixing bolts and the fixing nuts are prone to change and become loose, which brings great safety hazards and makes it difficult to ensure the safety of children, a connection structure between the foot plate and the column is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problem is: the utility model describes a connection structure between a foot plate and a column, comprising a fixing sleeve fixed on the foot plate, the fixing sleeve is sleeved with the column, the column is provided with a movable groove, a fixing block is arranged in the movable groove, the fixing sleeve and the column are fixedly assembled by means of fixing bolts and fixing blocks, the fixing bolts are provided with movable through holes, a limiting mechanism is arranged in the movable through holes, and the limiting mechanism limits the position of the fixing bolts.

[0007] Preferably, the limiting mechanism includes two oppositely arranged blocks, a return spring is connected between the two blocks, a first guide groove is opened in the movable through hole, and a first guide block is fixedly provided on one side of the block for limiting the movement path of the block.

[0008] Preferably, an operating mechanism is provided in the fixing bolt for operating the limiting mechanism, the operating mechanism includes an operating screw, one end of the operating screw extends to the outside of the fixing bolt, the operating screw is rotatably provided in the fixing bolt through a threaded connection, one end of the operating screw is rotatably provided with a push rod through a bearing, one end of the push rod extends to the movable through hole, and one end of the push rod is provided with a groove.

[0009] Preferably, a second guide block is fixedly provided on one side of the push rod, and a second guide groove is provided in the fixing bolt for limiting the angle of the push rod.

[0010] Preferably, one end of the push rod is conical, and a side of the clamping block close to the push rod is provided with an arc-shaped groove matching the cone to facilitate the movement of the push rod.

[0011] Preferably, a first groove is provided at the screw hole on the fixing sleeve, and a second groove matching with the first groove is provided on the fixing bolt.

[0012] Preferably, a movable groove for the movement of the fixed block is provided on the column, the movable groove is in a trapezoidal structure, the fixed block is also in a trapezoidal structure, and the two oblique angles of the fixed block are smaller than the two oblique angles of the movable groove.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a connection structure between a foot plate and a column. In order to ensure the stability of the fixing state of the fixing bolts, improve the overall safety of the structure, and ensure the safety of children, the fixing bolts are effectively prevented from loosening and sliding when impacted by external forces through the cooperation of the limiting mechanism, resulting in an unstable fixing state between the column and the foot plate, thereby ensuring the stability and safety of the overall structure, thereby ensuring the safety of children.

[0015] The trapezoidal side surface of the fixed block and the trapezoidal side surface of the movable groove will fit tightly when fixed. Since the two bevel angles of the fixed block are smaller than the two bevel angles of the movable groove, this design makes the two bevel surfaces of the fixed block and the movable groove abut against each other more tightly and firmly, further improving the stability of the fixation between the fixing bolt and the fixed block, and ensuring the overall stability of the column and the foot plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional picture of the whole;

[0018] Figure 2 It is a top view of the whole plan;

[0019] Figure 3 It is a cross-sectional enlarged view of the fixing bolt position;

[0020] Figure 4 It is a sectional plan view of the fixing bolts and the movable through holes;

[0021] Figure 5 It is a structural stereogram of the column;

[0022] Figure 6 It is a structural stereogram of the fixed block;

[0023] Figure 7 yes Figure 2 The enlarged structure diagram at A in the middle;

[0024] Legend:

[0025] 1. Fixing bolt; 2. Fixing block; 3. Foot plate; 301. Fixing sleeve; 4. Column; 5. Movable through hole; 6. Limiting mechanism; 601. Block; 602. Reset spring; 7. First guide groove; 8. First guide block; 9. Operating screw; 10. Push rod; 11. Groove; 12. Second guide groove; 13. Second guide block; 14. Arc groove; 15. First groove; 16. Second groove; 17. Movable groove. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] Specific examples are given below.

[0028] See also Figure 1-Figure 7, a connection structure between a foot plate and a column described in the utility model comprises a fixing sleeve 301 fixed on the foot plate 3, a column 4 is sleeved on the fixing sleeve 301, a movable groove 17 is provided on the column 4, a fixing block 2 is arranged in the movable groove 17, the fixing sleeve 301 and the column 4 are fixedly assembled by a fixing bolt 1 and a fixing block 2, a movable through hole 5 is provided on the fixing bolt 1, a limiting mechanism 6 is arranged in the movable through hole 5, and the limiting mechanism 6 limits the position of the fixing bolt 1; the limiting mechanism 6 comprises two oppositely arranged clamping blocks 601, a reset spring 602 is terminated between the two clamping blocks 601, a first guide groove 7 is provided in the movable through hole 5, and a first guide block 8 is fixedly arranged on one side of the clamping block 601, so as to limit the movement path of the clamping block 601;

[0029] The fixing bolt 1 is provided with an operating mechanism for operating the limiting mechanism 6. The operating mechanism includes an operating screw 9, one end of which extends to the outside of the fixing bolt 1, and the operating screw 9 is rotatably arranged in the fixing bolt 1 through a threaded connection. A push rod 10 is rotatably arranged at one end of the operating screw 9 through a bearing, and one end of the push rod 10 extends to the movable through hole 5. A groove 11 is provided at one end of the push rod 10, and a second guide block 13 is fixedly provided on one side of the push rod 10. A second guide groove 12 is provided in the fixing bolt 1 for limiting the angle of the push rod 10. During operation, in order to ensure the stability of the fixing state of the fixing bolt 1, improve the overall safety of the structure, and ensure the safety of children, when assembling the column 4 and the foot plate 3, first insert the column 4 into the fixing sleeve 301 on the foot plate 3, then insert the fixing bolt 1 into the fixing hole of the fixing sleeve 301, and penetrate into the screw hole on the fixing block 2 in the movable groove 17, and rotate the fixing bolt 1 to make The fixing bolt 1 is threadedly connected with the fixing block 2, thereby fixing and assembling the column 4 and the foot plate 3. After that, the staff rotates the operating screw 9 to make the operating screw 9 move into the fixing bolt 1, and the operating screw 9 drives the push rod 10 to move. The push rod 10 contacts the two groups of clamping blocks 601, and makes the clamping block 601 move to the outside of the fixing bolt 1 and protrude to the outside of the fixing bolt 1. At the same time, the return spring 602 is stretched, so that one side of the clamping block 601 abuts against the fixing block 2, thereby limiting the fixed position of the fixing bolt 1. When disassembling, the operating screw 9 is reversed to make the push rod 10 move away from the clamping block 601. The two groups of clamping blocks 601 are reset under the elastic potential energy of the return spring 602 and move into the movable through hole 5, stopping the restriction on the fixing bolt 1, and then the fixing bolt 1 can be continued to be removed. Through the cooperation of the limiting mechanism 6, the fixing bolt 1 is effectively prevented from loosening and sliding when subjected to external force impact, resulting in an unstable fixed state of the column 4 and the foot plate 3, thereby ensuring the stability and safety of the overall structure, thereby ensuring the safety of children.

[0030] Furthermore, one end of the push rod 10 is conical, and an arc-shaped groove 14 matching the cone is provided on the side of the block 601 close to the push rod 10 to facilitate the movement of the push rod 10. During operation, when the push rod 10 moves toward the block 601, since one end of the push rod 10 is conical and matches the arc-shaped groove 14, the movement of the push rod 10 is smoother and less stuck.

[0031] Furthermore, a first groove 15 is provided at the screw hole on the foot plate 3, and a second groove 16 cooperating with the first groove 15 is provided on the fixing bolt 1. During operation, in order to improve the fixing stability of the fixing bolt, when the fixing bolt 1 is fixed, the second groove 16 abuts against the first groove 15, thereby increasing the contact area between the fixing bolt 1 and the foot plate 3, improving the friction force, and further improving the fixing stability.

[0032] Furthermore, the column 4 is provided with a movable groove 17 for the movement of the fixed block 2, the movable groove 17 is a trapezoidal structure, the fixed block 2 is also a trapezoidal structure, the two bevel angles of the fixed block 2 are smaller than the two bevel angles of the movable groove 17, during operation, when the fixing bolt 1 is tightened, the trapezoidal side surface of the fixed block 2 will fit tightly with the trapezoidal side surface of the movable groove 17, and the two bevel angles of the fixed block 2 are smaller than the two bevel angles of the movable groove 17, such a design makes the fixed block 2 more tightly and firmly abut against the two inclined surfaces of the movable groove 17, further improving the stability of the fixation between the fixing bolt 1 and the fixed block 2.

[0033] Working principle: In order to ensure the stability of the fixing state of the fixing bolt 1, improve the overall safety of the structure, and ensure the safety of children, when assembling the column 4 and the foot plate 3, first insert the column 4 into the fixing sleeve 301 on the foot plate 3, then insert the fixing bolt 1 into the fixing hole of the fixing sleeve 301, and penetrate into the screw hole on the fixing block 2 in the movable groove 17, rotate the fixing bolt 1 to make the fixing bolt 1 and the fixing block 2 threadedly connected, so that the column 4 and the foot plate 3 are fixedly assembled, and then the staff rotates the operating screw 9 to make the operating screw 9 move into the fixing bolt 1, and the operating screw 9 drives the push rod 10 to move, and the push rod 10 contacts the two sets of blocks 601, and makes the blocks 601 move to the fixed The bolt 1 moves outward and protrudes to the outside of the fixing bolt 1. At the same time, the reset spring 602 is stretched, so that one side of the block 601 abuts against the fixing block 2, thereby limiting the fixed position of the fixing bolt 1. When disassembling, the screw rod 9 is reversed to make the push rod 10 away from the block 601. The two groups of blocks 601 are reset under the elastic potential energy of the reset spring 602 and move into the movable through hole 5, stopping the restriction on the fixing bolt 1, and the fixing bolt 1 can be further removed. Through the cooperation of the limiting mechanism 6, the fixing bolt 1 is effectively prevented from loosening and sliding when impacted by external force, resulting in an unstable fixed state of the column 4 and the foot plate 3, thereby ensuring the stability and safety of the overall structure, thereby ensuring the safety of children;

[0034] When the push rod 10 moves toward the blocking block 601, since one end of the push rod 10 is conical, cooperating with the arc-shaped groove 14, the movement of the push rod 10 is smoother and there is no jamming; in order to improve the fixing stability of the fixing bolt, when the fixing bolt 1 is fixed, the second groove 16 abuts against the first groove 15, which increases the contact area between the fixing bolt 1 and the foot plate 3, improves the friction force, and further improves the fixing stability; when the fixing bolt 1 is tightened, the trapezoidal side surface of the fixing block 2 will fit tightly with the trapezoidal side surface of the movable groove 17, and the two bevel angles of the fixing block 2 are smaller than the two bevel angles of the movable groove 17. This design makes the fixing block 2 more tightly and firmly when the two inclined surfaces of the movable groove 17 abut, further improving the fixing stability between the fixing bolt 1 and the fixing block 2.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A connection structure between a foot plate and a column, comprising a fixing sleeve (301) fixed on the foot plate (3), characterized in that: The fixing sleeve (301) is sleeved with a column (4), the column (4) is provided with a movable groove (17), a fixing block (2) is arranged in the movable groove (17), the fixing sleeve (301) and the column (4) are fixedly assembled by means of a fixing bolt (1) and a fixing block (2), the fixing bolt (1) is provided with a movable through hole (5), a limiting mechanism (6) is arranged in the movable through hole (5), and the limiting mechanism (6) limits the position of the fixing bolt (1).

2. The connection structure between a foot plate and a column according to claim 1, characterized in that: The limiting mechanism (6) comprises two oppositely arranged clamping blocks (601), a return spring (602) is connected between the two clamping blocks (601), a first guide groove (7) is provided in the movable through hole (5), and a first guide block (8) is fixedly provided on one side of the clamping block (601) for limiting the movement path of the clamping block (601).

3. The connection structure between a foot plate and a column according to claim 2, characterized in that: An operating mechanism is arranged inside the fixing bolt (1) for operating the limiting mechanism (6), the operating mechanism comprising an operating screw (9), one end of the operating screw (9) extending to the outside of the fixing bolt (1), the operating screw (9) being rotatably arranged inside the fixing bolt (1) through a threaded connection, one end of the operating screw (9) being rotatably arranged with a push rod (10) through a bearing, one end of the push rod (10) extending to the movable through hole (5), one end of the push rod (10) being provided with a groove (11), one end of the push rod (10) being in a conical shape, and a side of the block (601) close to the push rod (10) being provided with an arc-shaped groove (14) matching the cone shape, so as to facilitate the movement of the push rod (10).

4. The connection structure between a foot plate and a column according to claim 3, characterized in that: A second guide block (13) is fixedly provided on one side of the push rod (10), and a second guide groove (12) is provided in the fixing bolt (1) for limiting the angle of the push rod (10).

5. The connection structure between a foot plate and a column according to claim 1, characterized in that: A first groove (15) is provided at the screw hole on the fixing sleeve (301), and a second groove (16) matching with the first groove (15) is provided on the fixing bolt (1).

6. The connection structure between a foot plate and a column according to claim 1, characterized in that: The movable groove (17) is in a trapezoidal structure, the fixed block (2) is also in a trapezoidal structure, and the angles of the two oblique sides of the fixed block (2) are smaller than the angles of the two oblique sides of the movable groove (17).

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