Anti-loose worm transmission type clamp

Abstract

The utility model discloses an anti-loose worm transmission type hoop which comprises a hoop shell, the lower surface of the hoop shell is fixedly connected with a hoop bottom, the front face of the hoop shell is provided with a hoop groove, the back face of the hoop bottom is fixedly connected with a hoop belt matched with the hoop groove, the two sides of the surface of the hoop belt are evenly provided with a plurality of gear grooves, and the gear grooves are matched with the hoop groove. And two worms matched with the gear grooves are rotatably connected to the interior of the hoop shell, one end of each worm is fixedly connected with a first transmission gear, a second transmission gear is rotatably connected to the front face of the hoop shell, the two first transmission gears are meshed with the second transmission gear, and an anti-loosening structure is fixedly connected to the front face of the hoop shell. According to the utility model, through the arrangement of the strap and the worms, the device can be connected simply, conveniently and quickly, the arrangement of the two worms is more stable, and through the arrangement of the anti-loosening structure, the strap can be fixed by the device, so that the situation that the device is loosened due to contact with fire water is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of clamp equipment, in particular to an anti-loosening worm drive type clamp. Background Art

[0002] Worm drive clamps are a commonly used type of clamps. The tightness of the worm drive clamps can be adjusted by the cooperation of the worm and the teeth on the steel belt. Firefighting pipes are used in firefighting to connect firefighting equipment and instruments and transport water for firefighting. Firefighting pipes are composed of multiple pipes connected together. Clamps are often installed at the connecting points of firefighting pipes.

[0003] The patent with publication number CN209164818U and name of anti-loosening worm drive type clamp discloses an anti-loosening worm drive type clamp, including a clamp and a shell, the lower end of the shell is symmetrically provided with two through holes, the lower end of the clamp penetrates the shell through the two through holes and is fixedly connected to the inner bottom wall of the through holes, the upper end of the clamp also penetrates the shell through the two through holes and extends, the lower side of the upper end of the clamp is slidably connected to the upper side of the lower end of the clamp, a worm is provided inside the shell, the upper end of the clamp is provided with a tooth groove matching the external thread on the worm, and long strip through holes are provided on both sides of the shell. The utility model uses the elastic force of multiple elastic sheets to make the worm press the clamp, thereby avoiding the problem of the clamp loosening due to the worm being away from the clamp after being subjected to external vibration or long-term use. This patented technology has shortcomings in actual application. The device compresses the hoop with an elastic sheet, but when connecting fire pipes, it often comes into contact with fire water. The fire water reduces the friction between the devices, causing the hoop to loosen. Therefore, the device's method of tightening the hoop to prevent loosening has low usability and is difficult to use for connecting fire pipes. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides an anti-loosening worm drive type clamp.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A worm-driven clamp for preventing loosening comprises a clamp shell, wherein the lower surface of the clamp shell is fixedly connected to a clamp bottom, the front surface of the clamp shell is provided with a clamp groove, the back surface of the clamp bottom is fixedly connected to a clamp band matched with the clamp groove, a plurality of gear grooves are evenly provided on both sides of the surface of the clamp band, two worms matched with the gear grooves are rotatably connected inside the clamp shell, one end of the two worms are fixedly connected to a first transmission gear, the front surface of the clamp shell is rotatably connected to a second transmission gear, the two first transmission gears are meshed with the second transmission gear, and the front surface of the clamp shell is fixedly connected to an anti-loosening structure.

[0007] As a further improvement of the utility model, the anti-loosening structure includes a mounting plate fixedly connected to the front side of the hoop shell, a threaded hole is opened on the upper surface of the mounting plate, an adjusting bolt matching the threaded hole is threadedly connected to the upper surface of the mounting plate, a bearing is rotatably connected to the lower surface of the adjusting bolt, a connecting plate is fixedly connected to the lower surface of the bearing, and an anti-loosening block matching the gear groove is fixedly connected to the lower surface of the connecting plate.

[0008] As a further improvement of the present invention, both sides of the lower surface of the mounting plate are fixedly connected with fixing rods, the fixing rods are internally movably connected with limiting rods, and the lower surface of the limiting rods is fixedly connected to the connecting plate.

[0009] As a further improvement of the utility model, the other end of one of the worms is fixedly connected to a rotating handle, and the surface of the rotating handle is provided with an anti-slip coating.

[0010] As a further improvement of the utility model, a hoop cover is fixedly mounted on the upper surface of the hoop shell.

[0011] As a further improvement of the utility model, upper fixing blocks are fixedly connected to both sides of the hoop cover, and lower fixing blocks are fixedly connected to both sides of the hoop shell.

[0012] As a further improvement of the utility model, a fixing groove is provided on the upper surface of the lower fixing block, and an elastic clamping plate adapted to the fixing groove is fixedly connected to the lower surface of the upper fixing block.

[0013] Beneficial effects of the utility model:

[0014] By setting the hoop and the worm, when in use, the hoop is put into the clamp groove of the hoop shell, the gear groove on the hoop is meshed with the worm, the rotating handle is grasped to start rotating, and the two worms are driven to move simultaneously by the first transmission gear and the second transmission gear, thereby driving the hoop to move in the clamp groove until the fire-fighting pipe is fixed. The setting of the two worms makes the device more stable when adjusted, so that the device can connect the fire-fighting pipe simply and quickly.

[0015] By setting up the anti-loosening structure, when in use, wait for the hoop to fix the fire-fighting pipe, then turn the adjusting bolt to drive the anti-loosening block to move downward through the connecting plate until the anti-loosening block is inserted into the gear groove, thereby completing the limitation of the hoop, so that the device can fix the hoop after completing the connection of the fire-fighting pipe, avoiding the loosening of the device due to contact with fire-fighting water, and increasing the versatility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an anti-loosening worm drive type clamp proposed by the utility model;

[0017] Figure 2 This is a structural schematic diagram of a hoop shell of an anti-loosening worm drive type clamp proposed by the utility model;

[0018] Figure 3 It is a structural schematic diagram of an anti-loosening structure of an anti-loosening worm drive type clamp proposed by the utility model;

[0019] Figure 4 The utility model is a schematic structural diagram of a clamp band of a worm gear drive clamp for preventing loosening.

[0020] In the figure: 1 hoop shell, 2 hoop bottom, 3 clamp groove, 4 hoop belt, 5 gear groove, 6 worm, 7 first transmission gear, 8 second transmission gear, 9 mounting plate, 10 threaded hole, 11 adjusting bolt, 12 bearing, 13 connecting plate, 14 anti-loosening block, 15 fixing rod, 16 limiting rod, 17 rotating handle, 18 hoop cover, 19 upper fixing block, 20 lower fixing block, 21 fixing groove, 22 elastic clamping plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1-Figure 4 A worm-driven anti-loosening clamp comprises a clamp shell 1, a clamp bottom 2 is fixedly connected to the lower surface of the clamp shell 1, a clamp groove 3 is opened on the front of the clamp shell 1, a clamp band 4 matched with the clamp groove 3 is fixedly connected to the back of the clamp bottom 2, a plurality of gear grooves 5 are evenly opened on both sides of the surface of the clamp band 4, two worms 6 matched with the gear grooves 5 are rotatably connected inside the clamp shell 1, one end of the two worms 6 are fixedly connected with a first transmission gear 7, a second transmission gear 8 is rotatably connected to the front of the clamp shell 1, the two first transmission gears 7 are meshed with the second transmission gear 8, and an anti-loosening structure is fixedly connected to the front of the clamp shell 1.

[0023] In the utility model, the anti-loosening structure includes a mounting plate 9 fixedly connected to the front of the hoop shell 1, a threaded hole 10 is opened on the upper surface of the mounting plate 9, an adjusting bolt 11 adapted to the threaded hole 10 is threadedly connected to the upper surface of the mounting plate 9, a bearing 12 is rotatably connected to the lower surface of the adjusting bolt 11, a connecting plate 13 is fixedly connected to the lower surface of the bearing 12, an anti-loosening block 14 adapted to the gear groove 5 is fixedly connected to the lower surface of the connecting plate 13, and the hoop 4 is fixed by the anti-loosening block 14;

[0024] Both sides of the lower surface of the mounting plate 9 are fixedly connected with fixing rods 15, and the fixing rods 15 are movably connected with limiting rods 16 inside, and the lower surface of the limiting rods 16 is fixedly connected to the connecting plate 13, and the other end of one of the worms 6 is fixedly connected with a rotating handle 17, and the surface of the rotating handle 17 is provided with an anti-slip coating, and the limiting rods 16 are used to limit the angle of the connecting plate 13, so that the connecting plate 13 can move up and down;

[0025] A hoop cover 18 is fixedly installed on the upper surface of the hoop shell 1, and upper fixing blocks 19 are fixedly connected to both sides of the hoop cover 18. Lower fixing blocks 20 are fixedly connected to both sides of the hoop shell 1. A fixing groove 21 is opened on the upper surface of the lower fixing block 20, and an elastic clip 22 matched with the fixing groove 21 is fixedly connected to the lower surface of the upper fixing block 19. The hoop cover 18 is fixed to the hoop shell 1 by the elastic clip 22 and the fixing groove 21. When the device is stuck, the elastic clip 22 is pressed to remove the elastic clip 22 from the fixing groove 21 to open the hoop cover 18, and lubricating liquid is applied to the worm 6 inside the hoop shell 1.

[0026] When the utility model is used, the fire-fighting pipe is first connected to the water outlet, the hoop 4 is wrapped around the connection, the hoop 4 is placed in the clamp groove 3 of the hoop shell 1, the gear groove 5 on the hoop 4 is meshed with the worm 6, the rotating handle 17 is grasped and started to rotate, and the two worms 6 are driven to move simultaneously through the first transmission gear 7 and the second transmission gear 8, and the worm 6 drives the hoop 4 to move in the clamp groove 3 through the gear groove 5 until the fire-fighting pipe is fixed. The setting of the two worms 6 makes the device more stable when adjusted. After fixing, the adjusting bolt 11 is rotated to drive the anti-loosening block 14 to move downward through the connecting plate 13 until the anti-loosening block 14 is inserted into the gear groove 5, thereby completing the limitation of the hoop 4 and preventing the hoop 4 from loosening due to contact with the fire-fighting water.

[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 worm gear type clamp for preventing loosening, comprising a clamp housing (1), characterized in that: The lower surface of the hoop shell (1) is fixedly connected to a hoop bottom (2), the front surface of the hoop shell (1) is provided with a clamp groove (3), the back surface of the hoop bottom (2) is fixedly connected to a hoop band (4) matched with the clamp groove (3), and a plurality of gear grooves (5) are evenly provided on both sides of the surface of the hoop band (4), the inside of the hoop shell (1) is rotatably connected to two worm gears (6) matched with the gear grooves (5), one end of each of the two worm gears (6) is fixedly connected to a first transmission gear (7), the front surface of the hoop shell (1) is rotatably connected to a second transmission gear (8), the two first transmission gears (7) are meshed with the second transmission gear (8), and the front surface of the hoop shell (1) is fixedly connected to an anti-loosening structure.

2. The anti-loosening worm drive clamp according to claim 1, characterized in that: The anti-loosening structure comprises a mounting plate (9) fixedly connected to the front side of the hoop shell (1), a threaded hole (10) being provided on the upper surface of the mounting plate (9), an adjusting bolt (11) matching the threaded hole (10) being threadedly connected to the upper surface of the mounting plate (9), a bearing (12) being rotatably connected to the lower surface of the adjusting bolt (11), a connecting plate (13) being fixedly connected to the lower surface of the bearing (12), and an anti-loosening block (14) matching the gear groove (5) being fixedly connected to the lower surface of the connecting plate (13).

3. The anti-loosening worm drive clamp according to claim 2, characterized in that: Both sides of the lower surface of the mounting plate (9) are fixedly connected with fixing rods (15), the fixing rods (15) are internally movably connected with limiting rods (16), and the lower surface of the limiting rods (16) is fixedly connected to the connecting plate (13).

4. The anti-loosening worm drive clamp according to claim 1, characterized in that: The other end of one of the worms (6) is fixedly connected to a rotating handle (17), and the surface of the rotating handle (17) is provided with an anti-slip coating.

5. The anti-loosening worm drive clamp according to claim 1, characterized in that: A hoop cover (18) is fixedly mounted on the upper surface of the hoop shell (1).

6. The anti-loosening worm drive clamp according to claim 5, characterized in that: Both sides of the hoop cover (18) are fixedly connected with upper fixing blocks (19), and both sides of the hoop shell (1) are fixedly connected with lower fixing blocks (20).

7. The anti-loosening worm drive clamp according to claim 6, characterized in that: The upper surface of the lower fixing block (20) is provided with a fixing groove (21), and the lower surface of the upper fixing block (19) is fixedly connected with an elastic clamping plate (22) adapted to the fixing groove (21).

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