Fixing device for wire and cable combustion testing machine

Abstract

The utility model discloses a fixing device for a wire and cable combustion testing machine, and belongs to the technical field of combustion testing machines, the fixing device comprises a fixing frame, an upper clamping ring and a lower clamping ring, the inner wall of the upper clamping ring is in threaded connection with a stud, the outer side of the lower clamping ring is fixedly provided with a connecting block, and the side, away from the lower clamping ring, of the connecting block is rotationally connected with a positioning ring; a clamping piece is fixedly assembled on the side, close to the connecting block, of the positioning ring. A wire cable is placed on the inner side of the positioning ring, meanwhile, the insertion rod is pulled to be separated from the inner wall of the clamping groove, the positioning ring can be rotated to insert the clamping piece into the inner wall of the clamping groove, meanwhile, the insertion rod can be loosened until the insertion rod is inserted into the inner wall of the clamping piece, and then the clamping piece is stably positioned on the inner wall of the clamping groove. The positioning ring is guaranteed not to be freely separated from the position, the stability of the wire cable is further guaranteed, meanwhile, the wire cable can be guaranteed to be located at the needed position through the scale lines, and the wire cable can be rapidly placed at the designated center position.

Description

Technical Field

[0001] The present application relates to the technical field of combustion testing machines, and in particular to a fixing device for a combustion testing machine for electric wires and cables. Background Art

[0002] Wires and cables need to be tested for their combustion performance, which requires that the wires and cables be in the middle position when placed in the internal cavity of the combustion test machine, so a fixing device is required.

[0003] When the wires and cables are placed in the internal cavity of the combustion test machine, they need to be in the middle position. In the existing device, two clips are used to fix the wires and cables to the center rod. However, in order to ensure that the wires and cables are in a center position, it takes a long time to adjust the positions of the two clips, which is inefficient. Therefore, the present application proposes a fixing device for a wire and cable combustion test machine to solve the above problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present application provides a fixing device for a wire and cable combustion testing machine, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a fixing device for a wire and cable combustion testing machine, comprising a fixing frame, an upper clamping ring and a lower clamping ring, the inner wall of the upper clamping ring is threadedly connected with a stud, the outer side of the lower clamping ring is fixedly equipped with a connecting block, the side of the connecting block away from the lower clamping ring is rotatably connected with a positioning ring, the side of the positioning ring close to the connecting block is fixedly equipped with a card, the outer side of the connecting block is provided with a card slot, the outer side of the connecting block is fixedly equipped with a protective cover, the inner wall of the protective cover is slidably connected with an insertion rod, the outer edge of the insertion rod is fixedly equipped with a gasket one, the outer edges of the insertion rod are respectively movably connected with a spring one and a gasket two, and the top of the lower clamping ring is provided with a threaded hole.

[0006] As a preferred technical solution of the present application, the spring 1 is located in the middle of the gasket 1 and the gasket 2, and the gasket 1, spring 1 and gasket 2 are all arranged in the inner cavity of the protective cover.

[0007] By adopting the above technical solution, the spring can be positioned to ensure that the two ends of the spring will not contact the outer sides of the protective cover and the connecting block.

[0008] As a preferred technical solution of the present application, a through hole is opened on the outer side of the protective cover, and the through hole passes through the protective cover and the card to the inner wall position of the connecting block, the insertion rod is slidably connected to the inner wall position of the through hole, and the outer edge diameter of the insertion rod is adapted to the inner wall diameter of the through hole.

[0009] By adopting the above technical solution, after the insertion rod slides to the through hole position of the inner wall of the card, the card can be stably positioned on the inner wall position of the card slot, and then the cable can be positioned on the inner wall position of the positioning ring by using the positioning ring.

[0010] As a preferred technical solution of the present application, the card is inserted into the inner wall of the card slot, and the shape of the card is matched with the shape of the inner wall of the card slot.

[0011] By adopting the above technical solution, after the card is inserted into the inner wall position of the card slot, the through hole on the inner wall of the card can be quickly aligned with the through hole on the inner wall of the connecting block, thereby facilitating the stable positioning of the card on the inner wall position of the card slot.

[0012] As a preferred technical solution of the present application, the upper clamp ring and the lower clamp ring are rotatably connected via a hinge, and the inner sides of the upper clamp ring and the lower clamp ring are in contact with the outer edge of the fixing frame.

[0013] By adopting the above technical solution, it is convenient to quickly install and position the lower clamp ring and the upper clamp ring to the outer edge of the fixing frame, thereby ensuring that the upper clamp ring and the lower clamp ring will not be separated at will.

[0014] As a preferred technical solution of the present application, the threaded hole passes through the upper clamping ring to the inner wall position of the lower clamping ring, the stud is threadedly connected to the inner wall position of the threaded hole, the top of the stud is fixedly equipped with a rotating piece, the outer edge of the fixing frame is fixedly provided with scale lines, and the upper clamping ring and the lower clamping ring cover the scale lines.

[0015] By adopting the above technical solution, the upper clamp ring and the lower clamp ring can be connected together at one end away from the hinge by using the stud and the threaded hole, and then stably positioned at the outer edge of the fixed frame to ensure that it will not move at will. By using the scale lines, the wires and cables can be ensured to be in the required position, and the wires and cables can be placed in the specified center position more quickly.

[0016] As a preferred technical solution of the present application, four legs are symmetrically fixedly assembled on the bottom of the fixing frame, one end of spring 2 is fixedly connected to the inner side of the positioning ring, and the other end of spring 2 is fixedly connected to an arc plate.

[0017] By adopting the above technical solution, the support legs can be used to ensure that the distance between the burning wires and cables and the bottom of the combustion test machine is 50 mm, so that the arc plate and spring 2 can be used to clamp and position wires and cables of different diameters, thereby ensuring that they will not fall off at will during combustion.

[0018] Beneficial effects of this application:

[0019] 1. By placing the wires and cables to the inner side of the positioning ring and pulling the insertion rod to disengage the insertion rod from the inner wall of the card slot, the positioning ring can be rotated to insert the card into the inner wall of the card slot, and the insertion rod can be loosened until the insertion rod is inserted into the inner wall of the card, thereby stably positioning the card on the inner wall of the card slot, ensuring that the positioning ring will not be disengaged at will, thereby ensuring the stability of the wires and cables, and using the scale lines to ensure that the wires and cables are in the required position, and the wires and cables can be placed in the designated center position more quickly.

[0020] 2. The coordinated use of the fixing frame, the upper clamping ring and the studs enables the device to be quickly installed to the outer edge of the fixing frame and to be easily removed. The legs can be used to ensure that the distance between the burning wires and cables and the bottom of the combustion test machine is 50 mm, so that the arc plate and the spring 2 can be used to clamp and position wires and cables of different diameters, thereby ensuring that they will not fall off at will during combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of this application;

[0022] Figure 2 It is a schematic diagram of the local structure of this application;

[0023] Figure 3 It is a schematic diagram of the cross-sectional structure of this application;

[0024] Figure 4 For this application Figure 3 The enlarged structural diagram at A in the middle;

[0025] Figure 5 This is a schematic diagram of the partial expanded structure of this application.

[0026] In the figure: 1, fixing frame; 2, upper clamping ring; 3, lower clamping ring; 4, stud; 5, connecting block; 6, positioning ring; 7, card; 8, card slot; 9, protective cover; 10, plug rod; 11, gasket 1; 12, spring 1; 13, gasket 2; 14, threaded hole; 15, support leg; 16, spring 2; 17, curved plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0028] Reference Figure 1-5A fixing device for a wire and cable combustion test machine comprises a fixing frame 1, an upper clamping ring 2 and a lower clamping ring 3, the inner wall of the upper clamping ring 2 is threadedly connected with a stud 4, the outer side of the lower clamping ring 3 is fixedly equipped with a connecting block 5, the side of the connecting block 5 away from the lower clamping ring 3 is rotatably connected with a positioning ring 6, the side of the positioning ring 6 close to the connecting block 5 is fixedly equipped with a card 7, a card slot 8 is provided on the outer side of the connecting block 5, a protective cover 9 is fixedly equipped on the outer side of the connecting block 5, the inner wall of the protective cover 9 is slidably connected with a plug rod 10, the outer edge of the plug rod 10 is fixedly equipped with a gasket 11, the outer edges of the plug rod 10 are respectively movably connected with a spring 12 and a gasket 2 13, and a threaded hole 14 is provided on the top of the lower clamping ring 3.

[0029] Reference Figure 4 Spring 12 is located in the middle of gasket 11 and gasket 2 13. Gasket 11, spring 12 and gasket 2 13 are all arranged in the inner cavity of protective cover 9, so that spring 12 can be positioned to ensure that the two ends of spring 12 will not contact the outer side of protective cover 9 and connecting block 5.

[0030] Reference Figure 4 and Figure 5 A through hole is provided on the outer side of the protective cover 9, and the through hole penetrates the protective cover 9 and the card 7 to the inner wall position of the connecting block 5, and the plug rod 10 is slidably connected to the inner wall position of the through hole. The outer edge diameter of the plug rod 10 is adapted to the inner wall diameter of the through hole, so that after the plug rod 10 slides to the through hole position of the inner wall of the card 7, the card 7 can be stably positioned on the inner wall position of the card slot 8, and then the cable can be positioned on the inner wall position of the positioning ring 6 by using the positioning ring 6.

[0031] Reference Figure 5 The card 7 is inserted into the inner wall of the card slot 8, and the shape of the card 7 is adapted to the shape of the inner wall of the card slot 8, so that after the card 7 is inserted into the inner wall of the card slot 8, the through hole of the inner wall of the card 7 can be quickly aligned with the through hole position of the inner wall of the connecting block 5, thereby facilitating the stable positioning of the card 7 at the inner wall of the card slot 8.

[0032] Reference Figure 1 and Figure 2 The upper clamp ring 2 and the lower clamp ring 3 are rotatably connected by a hinge, and the inner sides of the upper clamp ring 2 and the lower clamp ring 3 are in contact with the outer edge of the fixing frame 1, so that the lower clamp ring 3 and the upper clamp ring 2 can be quickly installed and positioned at the outer edge of the fixing frame 1, thereby ensuring that the upper clamp ring 2 and the lower clamp ring 3 will not detach at will.

[0033] Reference Figure 1The threaded hole 14 passes through the upper clamping ring 2 to the inner wall position of the lower clamping ring 3, the stud 4 is threadedly connected to the inner wall position of the threaded hole 14, and a rotating piece is fixedly assembled on the top of the stud 4. The outer edge of the fixing frame 1 is fixedly provided with scale lines, and the upper clamping ring 2 and the lower clamping ring 3 cover the scale lines inside, so that the stud 4 can be used to cooperate with the threaded hole 14 to connect the upper clamping ring 2 and the lower clamping ring 3 away from the hinge. The end, and then stably positioned at the outer edge of the fixing frame 1, ensures that it will not move at will, and uses the scale lines to ensure that the wires and cables are in the required position, and can quickly place the wires and cables at the designated center position.

[0034] Reference Figure 1 and Figure 2 The bottom of the fixing frame 1 is symmetrically fixed with four legs 15, one end of a spring 16 is fixedly connected to the inner side of the positioning ring 6, and the other end of the spring 16 is fixedly connected to an arc plate 17, so that the legs 15 can be used to ensure that the distance between the burning wires and the bottom of the combustion test machine is 50 mm, so that the arc plate 17 and the spring 16 can be used to clamp and position wires and cables of different diameters, thereby ensuring that they will not fall off at will during combustion.

[0035] Working principle: When using the device, first place the fixing frame 1 on the inner wall of the combustion test machine, then take the upper clamp ring 2 and the lower clamp ring 3 and put them on the outer edge of the fixing frame 1 according to the scale line, then tighten the stud 4 to the inner wall of the threaded hole 14, and then stably install the upper clamp ring 2 and the lower clamp ring 3 to the outer edge of the fixing frame 1, and at the same time, place the wires and cables on the inner side of the positioning ring 6, and at the same time pull the insertion rod 10 to disengage the insertion rod 10 from the inner wall of the card slot 8, rotate the positioning ring 6 to insert the card 7 into the inner wall of the card slot 8, and at the same time loosen the insertion rod 10 until the insertion rod 10 is inserted into the inner wall of the card 7, thereby stably positioning the card 7 on the inner wall of the card slot 8 to ensure that the positioning ring 6 will not be out of position at will.

[0036] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fixing device for a wire and cable combustion test machine, comprising a fixing frame (1), an upper clamping ring (2) and a lower clamping ring (3), characterized in that: The inner wall of the upper clamping ring (2) is threadedly connected with a stud (4), the outer side of the lower clamping ring (3) is fixedly equipped with a connecting block (5), the side of the connecting block (5) away from the lower clamping ring (3) is rotatably connected with a positioning ring (6), the side of the positioning ring (6) close to the connecting block (5) is fixedly equipped with a card (7), the outer side of the connecting block (5) is provided with a card slot (8), the outer side of the connecting block (5) is fixedly equipped with a protective cover (9), the inner wall of the protective cover (9) is slidably connected with an insertion rod (10), the outer edge of the insertion rod (10) is fixedly equipped with a gasket 1 (11), the outer edge of the insertion rod (10) is movably connected with a spring 1 (12) and a gasket 2 (13), and the top of the lower clamping ring (3) is provided with a threaded hole (14).

2. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: The spring one (12) is located in the middle of the gasket one (11) and the gasket two (13); the gasket one (11), the spring one (12) and the gasket two (13) are all arranged in the inner cavity of the protective cover (9).

3. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: A through hole is formed on the outer side of the protective cover (9), and the through hole penetrates the protective cover (9) and the card (7) to the inner wall of the connecting block (5); the insertion rod (10) is slidably connected to the inner wall of the through hole; the outer diameter of the insertion rod (10) matches the inner wall diameter of the through hole.

4. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: The card (7) is inserted into the inner wall of the card slot (8), and the shape of the card (7) matches the shape of the inner wall of the card slot (8).

5. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: The upper clamp ring (2) and the lower clamp ring (3) are rotatably connected via a hinge, and the inner sides of the upper clamp ring (2) and the lower clamp ring (3) are in contact with the outer edge of the fixing frame (1).

6. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: The threaded hole (14) passes through the upper clamping ring (2) to the inner wall position of the lower clamping ring (3), the stud (4) is threadedly connected to the inner wall position of the threaded hole (14), the top of the stud (4) is fixedly equipped with a rotating piece, the outer edge of the fixing frame (1) is fixedly provided with a scale line, and the upper clamping ring (2) and the lower clamping ring (3) cover the scale line.

7. A fixing device for a wire and cable combustion test machine according to claim 1, characterized in that: The bottom of the fixing frame (1) is symmetrically fixedly equipped with four legs (15); the inner side of the positioning ring (6) is fixedly connected to one end of a second spring (16); the other end of the second spring (16) is fixedly connected to an arc-shaped plate (17).

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