Universal fixture for environmental test

Abstract

The utility model discloses a universal fixture for environmental tests, which comprises an assembly base, a plurality of cable fixtures are arranged on the surface of the top of the assembly base at equal intervals, and each cable fixture is composed of a support frame, a screw rod, a sliding cable chuck, a fixed cable chuck and an adjusting knob. The lead screw is horizontally installed below the supporting frame, the sliding type cable chuck is installed above the supporting frame and connected with the lead screw, and the fixed type cable chuck is fixed to the top of one end of the supporting frame. According to the utility model, a plurality of cable clamps are arranged on the assembly base, the test of a plurality of cables can be satisfied at one time, each cable clamp is composed of a support frame, a screw rod, a sliding type cable chuck, a fixed type cable chuck and an adjusting knob, and the sliding type cable chuck and the fixed type cable chuck are respectively used for clamping two ends of each cable. The sliding cable chuck can be moved by rotating the screw rod, so that the clamped cable is straightened.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable test fixture technical field, concretely is a kind of general fixture of environmental test. BACKGROUND

[0002] At present, cable product needs to carry out temperature stress and vibration stress test in research stage, and vibration stress is applied in the heating process of each temperature cycle, and the connectivity and insulation of the product to be tested need to be tested in each cycle vibration process, so it is urgent to design a kind of comprehensive environmental stress screening test fixture with light structure and convenient operation, to meet the test requirements of the product.

[0003] The prior art patent No.

[0004] The above fixture is simple in structure, but the cable needs to be straightened after clamping, and since multiple cables are fixed by the same side of the pressing strip, the pressing strip needs to be loosened when straightening the cable, which causes the problem of loosening of other cables, so there is inconvenience in operation. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of general fixture of environmental test to solve the problems in the prior art.

[0006] 1. To achieve the above object, the utility model provides the following technical scheme: a kind of general fixture of environmental test, including assembly base, the top surface of the assembly base is provided with a plurality of cable clamps at equal intervals, the cable clamp is composed of support frame, lead screw, sliding cable chuck, fixed cable chuck and adjusting knob, the lead screw is installed below support frame in horizontal mode, the sliding cable chuck is installed above support frame and is connected with lead screw, the fixed cable chuck is fixed to the top of one end of support frame, the sliding cable chuck and fixed cable chuck are on the same horizontal line, the sliding cable chuck and fixed cable chuck are provided with the same structure clamping structure, the clamping structure is composed of cable slot, compression plate and adjusting screw rod, the side of the cable slot is provided with wire port, the compression plate is installed above cable slot by adjusting screw rod.

[0007] Preferably, the lower side of the wire port is provided with an inclined cable filling guide surface.

[0008] Preferably, the surface of the screw rod near one end of the adjusting knob is provided with a spline, the inner side of the adjusting knob is provided with a spline groove, one end of the adjusting knob is provided with a limiting protrusion, the end surface of the supporting frame is provided with a matching protrusion, the matching protrusion is matched with the limiting protrusion, and one end of the adjusting knob is sleeved with a spring for limiting the free sliding of the adjusting knob.

[0009] Preferably, a mounting lug is arranged at the middle of each end of the mounting base, and a positioning hole is formed in the mounting lug.

[0010] Compared with the prior art, the assembly base of the utility model is provided with a plurality of cable clamps, the test of a plurality of cables can be completed at one time, the cable clamp is composed of a supporting frame, a screw rod, a sliding cable chuck, a fixed cable chuck and an adjusting knob, the sliding cable chuck and the fixed cable chuck are respectively used for clamping two ends of the cable, the sliding cable chuck can be moved by rotating the screw rod, so that the clamped cable is straightened;

[0011] The lower part of the wire loading port is provided with an inclined cable loading guide surface, which can help the cable to be quickly clamped into the cable clamping groove.

[0012] The spline of the adjusting knob on the screw rod and the spline groove in the adjusting knob are matched, so that the adjusting knob can only move linearly, at the same time, under the pushing of the spring and the cooperation of the matching protrusion and the limiting protrusion, the adjusted sliding cable chuck will not move loose, so that the clamped cable remains in a straightened state. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0014] Fig. 1 It is the overall three-dimensional structure schematic view of the utility model;

[0015] Fig. 2 It is the structure schematic view of the end surface of the supporting frame of the utility model;

[0016] Fig. 3 It is the structure schematic view of the adjusting knob of the utility model.

[0017] In the figure: 1, assembly base; 2, assembly ear; 3, positioning hole; 4, cable clamp; 5, support frame; 6, lead screw; 7, sliding cable clamp head; 8, fixed cable clamp head; 9, spring; 10, adjusting knob; 11, cable clamping groove; 12, pressing plate; 13, adjusting screw; 14, wire port; 15, matching protrusion; 16, limiting protrusion. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figs. 1-3 In the embodiments of the present application, a universal clamp for environmental testing includes an assembly base 1, assembly ears 2 are arranged at the middle of both ends of the assembly base 1, and positioning holes 3 are arranged on the assembly ears 2; a plurality of cable clamps 4 are arranged on the top surface of the assembly base 1 at equal intervals, the cable clamp 4 is composed of a support frame 5, a lead screw 6, a sliding cable clamp head 7, a fixed cable clamp head 8 and an adjusting knob 10, the lead screw 6 is installed below the support frame 5 in a horizontal manner, the sliding cable clamp head 7 is installed above the support frame 5 and connected with the lead screw 6, the fixed cable clamp head 8 is fixed to the top of one end of the support frame 5, the sliding cable clamp head 7 and the fixed cable clamp head 8 are on the same horizontal line, the sliding cable clamp head 7 and the fixed cable clamp head 8 are provided with clamping structures of the same structure, the clamping structure is composed of a cable clamping groove 11, a pressing plate 12 and an adjusting screw 13, a wire port 14 is arranged on one side of the cable clamping groove 11, and the pressing plate 12 is installed above the cable clamping groove 11 through the adjusting screw 13; an inclined cable filling guide surface is arranged below the wire port 14.

[0020] The surface of the screw rod 6 near one end of the adjusting knob 10 is provided with a spline, the inner side of the adjusting knob 10 is provided with a spline groove, one end of the adjusting knob 10 is provided with a limiting protrusion 16, the end surface of the support frame 5 is provided with a matching protrusion 15, the matching protrusion 15 is matched with the limiting protrusion 16, and one end of the adjusting knob 10 is sleeved with a spring 9 for limiting the free sliding of the adjusting knob 10.

[0021] The working principle of the utility model is: the utility model discloses the assembly base 1 is equipped with a plurality of cable clamps 4, and the test of a plurality of cables can be satisfied at a time, the cable clamp 4 is composed of a support frame 5, a screw rod 6, a sliding cable clamp head 7, a fixed cable clamp head 8 and an adjusting knob 10, the sliding cable clamp head 7 and the fixed cable clamp head 8 are used for clamping the two ends of the cable respectively, the sliding cable clamp head 7 can be moved by rotating the screw rod 6, so that the clamped cable is straightened;

[0022] The utility model discloses the cable loading guide surface of inclined below the wire port 14, this cable loading guide surface can help the cable to be quickly clamped into the cable clamping groove 11 in the cable clamping groove 11,

[0023] The adjusting knob 10 of the utility model cooperates with the spline on the screw rod 6 and the spline groove in the adjusting knob 10, so that the adjusting knob 10 can only move linearly, at the same time, under the pushing of the spring 9 and the cooperation of the matching protrusion 15 and the limiting protrusion 16, the adjusted sliding cable clamp head 7 will not move loose, so that the clamped cable remains in a straightened state.

[0024] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A universal jig for environmental testing comprising an assembly base (1) characterised in that: The top surface of the assembly base (1) is provided with a plurality of cable clamps (4) at equal intervals, which is composed of a support frame (5), a lead screw (6), a sliding cable clamp head (7), a fixed cable clamp head (8) and an adjusting knob (10), the lead screw (6) is installed below the support frame (5) in a horizontal manner, the sliding cable clamp head (7) is installed above the support frame (5) and connected with the lead screw (6), the fixed cable clamp head (8) is fixed to the top of one end of the support frame (5), the sliding cable clamp head (7) and the fixed cable clamp head (8) are on the same horizontal line, the sliding cable clamp head (7) and the fixed cable clamp head (8) are provided with the same structure of clamping structure, which is composed of a cable clamping groove (11), a pressing plate (12) and an adjusting screw (13), one side of the cable clamping groove (11) is provided with a cable loading port (14), the pressing plate (12) is installed above the cable clamping groove (11) through the adjusting screw (13).

2. The universal environmental test fixture of claim 1, wherein: The lower side of the cable loading port (14) is provided with an inclined cable loading guide surface.

3. The universal environmental test chamber clamp of claim 1, wherein: The surface of one end of the lead screw (6) near the adjusting knob (10) is provided with a spline, the inner side of the adjusting knob (10) is provided with a spline groove, one end of the adjusting knob (10) is provided with a limiting protrusion (16), the end surface of the support frame (5) is provided with a matching protrusion (15), the matching protrusion (15) is matched with the limiting protrusion (16), one end of the adjusting knob (10) is sleeved with a spring (9) to limit the free sliding of the adjusting knob (10).

4. The universal environmental test chamber clamp of claim 1, wherein: The middle part of the two ends of the assembly base (1) is provided with an assembly lug (2), and the assembly lug (2) is provided with a positioning hole (3).

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