Utility model content
The purpose of this utility model is to provide a kind of ground structure, is intended to solve in prior art earth connection and is wound in and on earthing rod, holds caducous problem.
The utility model is to realize like this, a kind of ground structure, comprise and being fixedly installed on electronic equipment and for being wound around the grounding screw of earth connection, described grounding screw comprise canned paragraph on the panel that is fixedly connected on described electronic equipment and along described canned paragraph towards the coiling section of extending away from described panel one side, described coiling section is provided with the through wires hole radially arranging along it, and described earth connection passes described through wires hole and is wound in described coiling section; Described ground structure also comprises the ground sleeve suitable with described coiling section, and described ground sleeve is sheathed on described coiling section and described earth connection is lock onto on described grounding screw.
Further, described grounding screw also comprises the grip part being arranged between described canned paragraph and described coiling section, the external diameter of described grip part is a bit larger tham the external diameter of described canned paragraph and described coiling section, and described through wires hole is arranged at the side near described grip part of described coiling section.
Further, described coiling section comprises and is provided with the hold-down segment of described through wires hole and along described hold-down segment towards the section of spinning of extending away from described canned paragraph one side, the described section of spinning is provided with external screw thread, described ground sleeve be provided with accommodating described in the connecting hole of the section of spinning, in described connecting hole, be provided with the internal thread coordinating with described external screw thread.
Further, described in the described external screw thread of the section of spinning extend to described hold-down segment, described ground sleeve spins to described hold-down segment.
Further, described ground sleeve is also provided with mounting groove and/or matsurface, and described mounting groove offers one end away from described through wires hole of described ground sleeve, and described matsurface is arranged on the outer surface of described ground sleeve.
Preferably, described mounting groove is flat recess.
Further, described canned paragraph and the coaxial setting of described coiling section.
Further, described panel is provided with the screwed hole inserting for described grounding screw, and described canned paragraph has the screw thread suitable with described screwed hole.
Further, described ground structure also comprises the locking nut being threaded with described canned paragraph, and described locking nut is sheathed on described canned paragraph and described grounding screw is lock onto on described panel along the free end of described canned paragraph.
Technique effect of the present utility model is: by through wires hole being set on grounding screw to be wound around described earth connection, and utilize ground sleeve to lock onto on described grounding screw so that described earth connection is pressed on described grounding screw, this ground structure is simple, and can effectively prevent that described earth connection from coming off; Being wound around in described earth connection process, wind the line simple and convenient, and greatly improved the outward appearance of described ground structure.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 2, Fig. 6 and Fig. 7, the ground structure that the utility model embodiment provides comprises and being fixedly installed on electronic equipment 10 and for being wound around the grounding screw 30 of earth connection 20, described grounding screw 30 comprise canned paragraph 32 on the panel 12 that is fixedly connected on described electronic equipment 10 and along described canned paragraph 32 towards the coiling section 34 of extending away from described panel 12 1 sides, described coiling section 34 is provided with the through wires hole 36 radially arranging along it, and described earth connection 20 passes described through wires hole 36 and is wound in described coiling section 34; Described ground structure also comprises the ground sleeve 40 suitable with described coiling section 34, and described ground sleeve 40 is sheathed on described coiling section 34 and described earth connection 20 is lock onto on described grounding screw 30.
In this embodiment, described grounding screw 30 and described ground sleeve 40 are that copper rod TU2 makes by material, to improve the electric conductivity of whole ground structure.
When installation, described canned paragraph 32 is lock onto on described panel 12, and by described earth connection 20 through described through wires hole 36 and be set around described coiling section 34, and utilize described ground sleeve 40 to be sheathed on described coiling sections 34 and described earth connection 20 be pressed on described grounding screw 30.
This ground structure is by through wires hole 36 being set on grounding screw 30 to be wound around described earth connection 20, and utilizes ground sleeve 40 to lock onto on described grounding screw 30 so that described earth connection 20 is pressed on described grounding screw 30.This ground structure is simple, and can effectively prevent that described earth connection 20 from coming off; Being wound around in described earth connection 20 processes, wind the line simple and convenient, and greatly improved the outward appearance of described ground structure; The canned paragraph 32 of this grounding screw 30 is fixedly installed on described panel 12, utilizes coiling section 34 to be wound around a described earth connection 20, and whole grounding screw 30 has stronger bearing capacity, and it is little, easy to process and the advantages such as succinct are installed to have size.
Please refer to Fig. 2 to Fig. 4, further, described grounding screw 30 also comprises the grip part 38 being arranged between described canned paragraph 32 and described coiling section 34, the external diameter of described grip part 38 is a bit larger tham the external diameter of described canned paragraph 32 and described coiling section 34, and described through wires hole 36 is arranged at the side near described grip part 38 of described coiling section 34.Understandably, in the time that described grounding screw 30 is fixedly installed on described panel 12, described panel 12 surfaces are close on the surface near described canned paragraph 32 of described grip part 38.When described ground sleeve 40 is sheathed in described coiling section 34, one end is pressed close to the surface near described coiling section 34 of described grip part 38, prevents that described ground sleeve 40 is excessively inserted in described coiling section 34.By being set, grip part 38 is also convenient to described grounding screw 30 to be mounted on described panel 12.
Please refer to Fig. 2 to Fig. 7, further, described coiling section 34 comprises the section of spinning 342 that is provided with the hold-down segment 340 of described through wires hole 36 and extends away from described canned paragraph 32 1 sides along described hold-down segment 340 courts, the described section of spinning 342 is provided with external screw thread 344, described ground sleeve 40 be provided with accommodating described in the connecting hole 42 of the section of spinning 342, in described connecting hole 42, be provided with the internal thread 420 coordinating with described external screw thread 344.Understandably, described canned paragraph 32, described grip part 38, described hold-down segment 340 and described in the section of spinning 342 set gradually, and the internal thread 420 that utilizes described ground sleeve 40 with described in the external screw thread 344 of the section of spinning 342 coordinate, so that described ground sleeve 40 is lock onto on described grounding screw 30, thereby the earth connection 20 being set around in described through wires hole 36 is pressed in the hold-down segment 340 between described grip part 38 and described ground sleeve 40.
In the time that described earth connection 20 passes described through wires hole 36, screw described ground sleeve 40, described ground sleeve 40 will be pressed on described earth connection 20 on described grounding screw 30, and described earth connection 20 can not be come off, and contact is good, reaches the effect of equipment ground.
In the time that need are pulled down described earth connection 20, only need manually unscrew described ground sleeve 40, can take off described earth connection 20, operation is succinctly convenient.
Please refer to Fig. 2 to Fig. 7, further, described in the described external screw thread 344 of the section of spinning 342 extend to described hold-down segment 340, described ground sleeve 40 spins to described hold-down segment 340.Understandably, the section of spinning 342 described in described ground sleeve 40 edges is screwed in to described hold-down segment 340 and described earth connection 20 is pressed between described ground sleeve 40 and described grounding screw 30, and the end face of described ground sleeve 40 is held on the end face of described grip part 38.
Please refer to Fig. 5 to Fig. 7, further, described ground sleeve 40 is also provided with mounting groove 44 and/or matsurface 46, and described mounting groove 44 offers one end away from described through wires hole 36 of described ground sleeve 40, and described matsurface 46 is arranged on the outer surface of described ground sleeve 40.Understandably, on described ground sleeve 40, mounting groove 44 is set, so that described ground sleeve 40 is screwed and unscrewed by instrument.Be arranged to matsurface 46 at the outer surface of described ground sleeve 40, so that hand Screw increasing friction force while unscrewing described ground sleeve 40, and convenient operation.In installation and removal process, can adopt manually and/or by instrument, described ground sleeve 40 is torqued-up on described grounding screw 30 or from described grounding screw 30 and be screwed out, simple to operation.
Please refer to Fig. 5, preferably, described mounting groove 44 is flat recess.When described in manual inconvenient turn when ground sleeve 40, the instrument of can using screws and unscrews described ground sleeve 40.
Please refer to Fig. 3, further, described canned paragraph 32 coaxially arranges with described coiling section 34.By coaxial setting with ensure stress equalization.
Please refer to Fig. 6, further, described panel 12 is provided with the screwed hole 120 inserting for described grounding screw 30, and described canned paragraph 32 has the screw thread with described screwed hole 120 suitable 320.Understandably, utilize the screw thread 320 of described grounding screw 30 and the screwed hole 120 of described panel 12 to coordinate, so that manually described grounding screw 30 is tightened on described panel 12.
Please refer to Fig. 6 and Fig. 7, further, described ground structure also comprises the locking nut 50 being threaded with described canned paragraph 32, and described locking nut 50 is sheathed on described canned paragraph 32 and described grounding screw 30 is lock onto on described panel 12 along the free end of described canned paragraph 32.By described locking nut 50 being set to add stiff stability, and described grounding screw 30 is more firmly fixed on described panel 12.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.