Adjustable fastening strap device

Abstract

An adjustable fastening belt device belongs to the technical field of fasteners, including an outer fastening belt and an inner fastening belt, wherein the inner fastening belt is slidably connected to the inner side of the outer fastening belt, and after the two ends of the outer fastening belt are enclosed, an end limit block is provided on the outside, and the positioning installation hole, the end fixing hole, and the end limit block are fixedly connected by butterfly screws, and a circumferential sliding adjustment device and a radial adjustment device are provided at the non-end position of the fastening belt, wherein the circumferential sliding adjustment device is connected to the outer fastening belt and the inner fastening belt to adjust the inner fastening belt to move circumferentially, and the radial adjustment device is connected to the outer fastening belt and the inner fastening belt to adjust the outer fastening belt to move radially. The device is provided with an inner ring and an outer ring that can be movably assembled with each other, and combined with the adjustable hole on the inner ring, the purpose of adjusting the diameter of the fastening belt device is achieved; butterfly screws are used to adjust and lock at different points to achieve the purpose of installation without tools.

Description

Technical Field

[0001] The invention belongs to the technical field of fasteners, and in particular relates to an adjustable fastening belt device. Background Art

[0002] Generally, the fixing method of the traditional industrial pole fastening belt device is to make two arc-shaped splicing pieces, and the connecting part is fastened with screws. This structural method has two major disadvantages. First, the arc of the fixing piece is a fixed value, and the standard pole diameter value is not the same. When the pole diameter is not uniform, the arc-shaped splicing piece cannot be adjusted with the pole diameter. Moreover, the diameter value of the pole on site can only be known after the operator rushes to the site to measure. Once the splicing piece size is not suitable, the device and the lock cannot be fixed and installed. Second, the screw fastening of the connecting part belongs to a single point locking, and the size of the fastening force is subject to the locking degree of the single point. During the installation or use of the lock, once a gap appears at the fastening connection, the entire lock will become loose, which will have a serious impact on the stability of the entire product device system. In addition, the existing pole fastening device needs to be installed with tools during installation, which means that the installer must carry the tools to a high place for installation. The installation method of carrying tools is inconvenient for the installer to install at a high place, and there is a risk of the tool falling and causing damage to the people or objects below. Summary of the invention

[0003] In view of the problem that the size of the existing utility pole tightening belt device cannot be changed, the present invention proposes an adjustable tightening belt device, which is provided with an inner ring and an outer ring that can be movably assembled with each other, combined with the adjustable hole on the inner ring, so as to achieve the purpose of adjusting the diameter of the tightening belt device; butterfly screws are used for point adjustment and locking, so as to achieve the purpose of installation without tools.

[0004] The present invention adopts the following technical solution:

[0005] An adjustable fastening belt device comprises an outer fastening belt and an inner fastening belt, the inner fastening belt is slidably connected to the inner side of the outer fastening belt, one end of the outer fastening belt is provided with at least one positioning and mounting hole, and the other end is provided with an end fixing hole, after the two ends of the outer fastening belt are enclosed, an end limit block is provided on the outside, the positioning and mounting hole, the end fixing hole and the end limit block are fixedly connected by butterfly screws, a circumferential sliding adjustment device and a radial adjustment device are provided at the non-end position of the fastening belt, the circumferential sliding adjustment device is connected to the outer fastening belt and the inner fastening belt to adjust the circumferential movement of the inner fastening belt, and the radial adjustment device is connected to the outer fastening belt and the inner fastening belt to adjust the radial movement of the outer fastening belt.

[0006] Furthermore, the radial adjustment device comprises an adjustment fixing hole arranged on the outer layer fastening belt and a butterfly screw inserted into the adjustment fixing hole, and the adjustment fixing hole is provided with a thread matching with the butterfly screw.

[0007] Furthermore, the circumferential sliding adjustment device includes an adjustment fixing hole arranged on the outer layer fastening belt, a corrugated adjustment long hole arranged on the inner layer fastening belt, a linear adjustment long hole, a butterfly screw, a non-end limit block, and a sleeve shaft. The two ends of the inner layer fastening belt are respectively provided with a corrugated adjustment long hole, and the middle is provided with a linear adjustment long hole. The adjustment fixing hole is arranged corresponding to the corrugated adjustment long hole and the linear adjustment long hole. The outer layer fastening belt and the inner layer fastening belt at the position of the adjustment fixing hole are sleeved with a non-end limit block, and the inner bottom surface of the non-end limit block is provided with a sleeve shaft fixing shaft A sleeve shaft limiting boss is provided on the top of the sleeve shaft fixing shaft, the sleeve shaft is arranged on the sleeve shaft fixing shaft and limited by the sleeve shaft limiting boss, the outer edge of the sleeve shaft is provided with two opposite sleeve shaft straight edges and two opposite sleeve shaft arc edges, the lower bottom surface of the butterfly screw is provided with a sleeve shaft clamping groove matching the sleeve shaft straight edge, the sleeve shaft arc edge matches the corrugated curvature on the corrugated adjustment long hole, the sleeve shaft is placed in the sleeve shaft clamping groove of the butterfly screw, the butterfly screw passes through the non-end limiting block, the adjustment fixing hole and is connected with the sleeve shaft, and the butterfly screw drives the sleeve shaft to roll and move in the corrugated adjustment long hole and the linear adjustment long hole.

[0008] Furthermore, the end limit block and the non-end limit block are rectangular frame structures, the top surface of which is provided with a butterfly screw through hole, and the bottom surface of which is provided with an inwardly concave arc surface or trapezoidal surface, and the end limit block and the non-end limit block have moving space in the internal height direction.

[0009] Furthermore, one end of the outer layer fastening belt is provided with an end fixing hole with a thread, and the other end is provided with 2-15 positioning and mounting holes.

[0010] Furthermore, a sliding groove is provided on the inner side of the outer layer fastening belt, and the inner layer fastening belt is arranged in the sliding groove, with movable space left at both ends.

[0011] Furthermore, a limiting notch for accommodating a non-end limiting block is provided on the outer layer fastening belt at the position of the adjustment fixing hole.

[0012] The advantages and effects of the present invention are:

[0013] (1) The adjustable fastening belt device of the present invention is suitable for installation sites with different diameters, such as electric poles and pipes with different diameters. It only needs to be designed once to be mass-produced, and the fixing work of the device for installation sites with different diameters can be completed on site without modification. It is not necessary to independently design and process multiple times for installation sites with different diameters to meet the needs of the site. Therefore, the design and construction of the adjustable fastening belt device of the present invention saves a lot of time, and saves design costs, processing and manufacturing costs, and installation costs.

[0014] (2) The adjustable tightening belt device of the present invention is composed of an inner locking ring and an outer locking ring that are movably connected to each other. A plurality of positioning and mounting holes are provided at the end of the outer locking ring, and the first step of locking the device as a whole is performed according to the diameter of the installation position; then the butterfly bolt with a wavy adjustment hole is adjusted to fine-tune the circumferential locking of the device after preliminary locking, and at the same time, the adjustment fixing hole of the outer locking ring is tightened radially along the rotation of the butterfly bolt; if necessary, the remaining two butterfly bolts are adjusted to further fine-tune and lock the tightening belt radially along the thread direction of the butterfly bolt. The present invention realizes on-site installation and tightening through the above three-step locking and fine-tuning functions, and fits tightly with the installed device and is not easy to loosen. It reduces the workload of on-site maintenance required when the fastening device becomes loose, saves maintenance costs, and ensures the stable operation of the equipment.

[0015] (3) The device of the present invention adopts butterfly screws for adjustment and fixing. Disassembly and assembly only requires manual screwing of the butterfly screws. The installer can complete the disassembly and assembly process without carrying installation tools, which is convenient and safe, avoids the inconvenience of carrying tools when working at heights or in special environments, and avoids injuries to people or objects caused by tools slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the fastening belt device of the present invention;

[0017] Figure 2 A schematic diagram of a field application of the fastening belt device of the present invention;

[0018] Figure 3 Schematic diagram of the outer locking ring structure;

[0019] Figure 4 Schematic diagram of the inner locking ring structure;

[0020] Figure 5 It is a schematic diagram of the structure of the end limit block;

[0021] Figure 6 It is a schematic diagram of the structure of the non-end limit block;

[0022] Figure 7 This is a schematic diagram of the butterfly screw structure;

[0023] Figure 8It is a schematic diagram of the sleeve shaft structure;

[0024] Fig. 9 This is a schematic diagram of the cooperation between the butterfly screw and the limit block;

[0025] Fig.10 It is a schematic diagram of the matching structure between the inner locking ring and the sleeve shaft;

[0026] Fig.11 This is a schematic diagram of the expanded structure of the outer locking ring.

[0027] Components in the figure: 1 is the outer fastening belt, 2 is the inner fastening belt, 3 is the positioning and mounting hole, 4 is the adjustment fixing hole, 5 is the end fixing hole, 6 is the inner slide groove, 7 is the corrugated adjustment long hole, 8 is the straight adjustment long hole, 9 is the end limit block, 10 is the first butterfly screw through hole, 11 is the non-end limit block, 12 is the second butterfly screw through hole, 13 is the sleeve fixing shaft, 14 is the sleeve limiting boss, 15 is the butterfly screw, 16 is the sleeve slot, 17 is the sleeve, 18 is the sleeve shaft hole, 19 is the sleeve arc edge, and 20 is the sleeve straight edge. DETAILED DESCRIPTION

[0028] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments.

[0029] The present invention is an adjustable fastening belt device, such as Figure 1 As shown, it includes an outer layer fastening belt 1, an inner layer fastening belt 2, a positioning and mounting hole 3, an adjustment and fixing hole 4, an end fixing hole 5, an inner side slide groove 6, a corrugated type adjustment long hole 7, a straight type adjustment long hole 8, an end stopper 9, a first butterfly screw through hole 10, a non-end stopper 11, a second butterfly screw through hole 12, a sleeve shaft fixing shaft 13, a sleeve shaft limiting boss 14, a butterfly screw 15, a sleeve shaft slot 16, a sleeve shaft 17, a sleeve shaft hole 18, a sleeve shaft arc edge 19, and a sleeve shaft straight edge 20. The outer layer fastening belt 1 is provided with an end fixing hole 5 at one end, and 2-15 positioning and mounting holes 3 are provided at the other end. The positioning and mounting holes 3 are not threaded and are through holes. The inner surface of the end fixing hole 5 is formed with a thread matching the end stopper 9. After the two ends of the outer layer fastening belt 1 overlap, they are fixed by the end stopper 9 and the butterfly screw 15. The outer layer fastening belt 1 is provided with a limiting notch at the end fixing hole 5 to accommodate and fix the end limiting block 9. According to the diameter of the object to be installed, the positioning installation hole 3 at the appropriate position is selected to coincide with the end fixing hole 5, and the end limiting block 9 is sleeved on the outside. The end limiting block 9 is a rectangular frame structure, such as Figure 5 As shown, the upper surface is provided with a first butterfly screw through hole 10, and the lower bottom surface is an arc or a shape matching the surface of the object to be installed, so as to better fit closely with the surface of the object to be installed. The butterfly screw 15 passes through the first butterfly screw through hole 10 and the overlapping positioning installation hole 3 and the end fixing hole 5, and the entire fastening belt is fixedly connected from head to tail.

[0030] like Figure 3 , 11 As shown, a sliding groove is provided inside the outer layer fastening belt 1, and the inner layer fastening belt 2 is placed in the sliding groove, but the inner layer fastening belt 2 can be separated from the outer layer fastening belt 1, and the length of the sliding groove is longer than the length of the inner layer fastening belt 2, and there is a movable space for the inner layer fastening belt 2 at both ends of the sliding groove. Four adjustment fixing holes 4 are evenly provided at the non-end part of the outer layer fastening belt 1, and the inner surface of the adjustment fixing hole 4 is provided with a thread matching the outer surface of the butterfly screw 15. The outer layer fastening belt 1 is provided with a limiting notch at the position of the adjustment fixing hole 4 to accommodate and fix the non-end limiting block 11.

[0031] like Figure 4 As shown, the inner layer fastening belt 2 is provided with two corrugated adjustment long holes 7 at both ends and two linear adjustment long holes 8 in the middle, which correspond to the positions of the four adjustment fixing holes 4 respectively. Each adjustment fixing hole 4 is provided with a non-end limit block 11 and a butterfly screw 15 on the outside. The non-end limit block 11 is a rectangular frame structure, such as Figure 6-9 As shown, a sleeve shaft fixing shaft 13 is provided on the inner bottom surface of the non-end limit block 11, a sleeve shaft limiting boss 14 is provided on the top of the sleeve shaft fixing shaft 13, the sleeve shaft 17 is arranged on the sleeve shaft fixing shaft 13 and limited by the sleeve shaft limiting boss 14, the sleeve shaft 17 is provided with two opposite sleeve shaft straight edges 20 and two opposite sleeve shaft arc edges 19, the lower bottom surface of the butterfly screw 15 is provided with a sleeve shaft groove 16 matched with the sleeve shaft straight edge 20, and the sleeve shaft arc edge 19 is matched with the corrugated curvature on the corrugated adjustment long hole 7, as shown in FIG. Fig.10As shown, the size of the linear adjustment slot 8 satisfies that the sleeve shaft 17 can move in the linear adjustment slot 8. The sleeve shaft 17 is placed in the sleeve shaft slot 16 of the butterfly screw 15, and the butterfly screw 15 passes through the non-end limit block 11, the adjustment fixing hole 4 and is connected to the sleeve shaft 17. The butterfly screw 15 drives the sleeve shaft 17 to roll and move in the corrugated adjustment slot 7 and the linear adjustment slot 8. The butterfly screw 15 passes through the second butterfly screw through hole 12 and the adjustment fixing hole 4 and is engaged with the sleeve shaft straight edge 20 of the sleeve shaft 17 set on the sleeve shaft fixing shaft 13. When in use, the butterfly screw 15 is rotated to drive the sleeve shaft 17 to roll along the corrugated adjustment slot 7, so that the inner layer fastening belt 2 moves in the circumferential direction, thereby reducing the size of the inner ring. When the inner layer fastening belt 2 is fine-tuned through the corrugated adjustment slot 7, the inner layer fastening belt 2 corresponding to the other two adjustment fixing holes 4 is provided with a linear adjustment slot 8 to ensure that the inner layer fastening belt 2 can move smoothly. When one of the corrugated adjustment slots 7 at both ends is adjusted, the other end of the corrugated adjustment slot 7 is not adjusted, which plays a fixing role. The bottom surface of the non-end limit block 11 is an arc or a shape that matches the surface of the object to be installed, so as to better fit closely with the surface of the object to be installed. The non-end limit block 11 in the present invention is a rectangular block structure with a certain height, and the height of its internal space is the space for relative movement fine adjustment between the outer layer fastening belt 1 and the inner layer fastening belt 2.

[0032] In addition to utilizing the above-mentioned structure to fine-tune the inner fastening belt 2 in the circumferential direction, the present invention also provides a thread matching the thread of the butterfly screw 15 on the inner side surface of the adjustment fixing hole 4, so that the outer fastening belt 1 is tightened radially outward along the butterfly screw 15 while the butterfly screw 15 is rotated, thereby making the fastening belt fit more closely to the surface of the object to be installed.

[0033] The adjustable tightening belt device of the present invention is composed of an inner locking ring and an outer locking ring that are movably connected to each other. A plurality of positioning and mounting holes are set at the end of the outer locking ring to fine-tune the circumferential locking of the device after preliminary locking. At the same time, the adjustment and fixing holes of the outer locking ring are tightened radially along the rotation of the butterfly bolts; if necessary, the remaining two butterfly bolts are adjusted to further fine-tune and lock the tightening belt radially along the thread direction of the butterfly bolts. Figure 2 As shown, the present invention realizes on-site installation and fastening through the above three-step locking and fine-tuning function, and fits tightly with the installed device and is not easy to loosen. The workload of on-site maintenance required when the fastening device becomes loose is reduced, maintenance costs are saved, and the stable operation state of the equipment is guaranteed.

[0034] Example 1

[0035] A 15mm wide stainless steel belt is processed into a circular outer layer fastening belt 1 with adjustable diameter. A row of Φ4.5 circular holes with a spacing of 6mm is set at one end of the outer layer fastening belt 1. The end is designed as a limit notch to accommodate and fix the end limit block 9. Four adjustment blocks and butterfly screws are arranged at the corresponding positions of the outer layer fastening belt 1. Four notches are also set at other positions on the circular locking ring to accommodate and fix the adjustment blocks. The inner layer fastening belt has a width of 11mm, a sleeve shaft curvature of R1.75mm, a spacing of 2.48mm, a corrugated adjustment long hole curvature of R1.75mm, a spacing of 2.5mm, and an internal height of the limit block of 4.5mm.

[0036] When you are ready to fix the lock on a utility pole, first lock the circular locking ring around the utility pole to an approximate position, and then gradually adjust the stroke of the butterfly screws in each adjustment block until the entire lock is ideally tightened, achieving multi-point fixation and multi-point anti-loosening effects.

[0037] After the adjustment block, the end adjustment block and the butterfly screw are respectively installed on the circular locking ring, the end of the locking ring with the circular hole can be inserted into the other end of the end adjustment block. When it reaches a relatively tight position, the butterfly screw passes through the thread and the screw hole for tightening. Then the butterfly screws on the adjustment block are rotated one by one. At this time, the circular locking ring will become tighter and tighter on the pole. When the ideal tightening state is reached, the tightening work is completed.

Claims

1. An adjustable fastening belt device, characterized in that: The invention comprises an outer layer fastening belt (1) and an inner layer fastening belt (2), wherein the inner layer fastening belt (2) is slidably connected to the inner side of the outer layer fastening belt (1), one end of the outer layer fastening belt (1) is provided with at least one positioning and mounting hole (3), and the other end is provided with an end fixing hole (5), and the outer ends of the outer layer fastening belt (1) are enclosed and an end stop block (9) is provided on the outside, the positioning and mounting hole (3), the end fixing hole (5), and the end stop block (9) are fixedly connected via butterfly screws (15), and a circumferential sliding adjustment device and a radial adjustment device are provided at the non-end position of the fastening belt, and the circumferential sliding adjustment device is connected to the outer layer fastening belt (1). The fastening belt (1) and the inner fastening belt (2) are connected to each other so as to adjust the inner fastening belt (2) to move in the circumferential direction. The radial adjustment device is connected to the outer fastening belt (1) and the inner fastening belt (2) so as to adjust the outer fastening belt (1) to move in the radial direction. The circumferential sliding adjustment device comprises an adjustment fixing hole (4) arranged on the outer fastening belt (1), a corrugated adjustment long hole (7) arranged on the inner fastening belt (2), a linear adjustment long hole (8), a butterfly screw (15), a non-end stopper (11), and a sleeve shaft (17). The two ends of the inner fastening belt (2) are respectively provided with a corrugated adjustment long hole (7). ), a straight adjustment long hole (8) is provided in the middle, the adjustment fixing hole (4) is arranged corresponding to the corrugated adjustment long hole (7) and the straight adjustment long hole (8), a non-end limit block (11) is sleeved on the outer side of the outer layer fastening belt (1) and the inner layer fastening belt (2) at the position of the adjustment fixing hole (4), a sleeve shaft fixing shaft (13) is provided on the inner bottom surface of the non-end limit block (11), a sleeve shaft fixing shaft (13) is provided on the top of the sleeve shaft fixing shaft (13), the sleeve shaft (17) is arranged on the sleeve shaft fixing shaft (13) and is limited by the sleeve shaft limiting boss (14), and the outer edge of the sleeve shaft (17) is provided with two opposite The sleeve shaft has a straight side (20) and two opposite sleeve shaft arc sides (19); the bottom surface of the butterfly screw (15) is provided with a sleeve shaft clamping groove (16) matched with the sleeve shaft straight side (20); the sleeve shaft arc side (19) matches with the corrugated arc on the corrugated adjustment long hole (7); the sleeve shaft (17) is placed in the sleeve shaft clamping groove (16) of the butterfly screw (15); the butterfly screw (15) passes through the non-end limit block (11), the adjustment fixing hole (4) and is connected with the sleeve shaft (17); the butterfly screw (15) drives the sleeve shaft (17) to roll and move in the corrugated adjustment long hole (7) and the linear adjustment long hole (8).

2. An adjustable fastening belt device according to claim 1, characterized in that: The radial adjustment device comprises an adjustment fixing hole (4) provided on the outer layer tightening belt (1) and a butterfly screw (15) inserted into the adjustment fixing hole (4); the adjustment fixing hole (4) is provided with a thread matching the butterfly screw (15).

3. An adjustable fastening belt device according to claim 1, characterized in that: The end stop block (9) and the non-end stop block (11) are rectangular frame structures, the top surface of which is provided with a butterfly screw through hole, and the bottom surface of which is provided with an inwardly concave arc surface or a trapezoidal surface, and the end stop block (9) and the non-end stop block (11) have a movable space in the internal height direction.

4. An adjustable fastening belt device according to claim 1, characterized in that: One end of the outer layer fastening belt (1) is provided with an end fixing hole (5) having a thread, and the other end is provided with 2 to 15 positioning installation holes (3).

5. The adjustable fastening belt device according to claim 1, characterized in that: The inner side of the outer layer fastening belt (1) is provided with a sliding groove, and the inner layer fastening belt (2) is arranged in the sliding groove, with movable space left at both ends.

6. The adjustable fastening belt device according to claim 1, characterized in that: The outer layer fastening belt (1) is provided with a limiting notch at the position of the adjustment fixing hole (4) for accommodating a non-end limiting block (11).

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