Surge protector

Abstract

The utility model belongs to the technical field of surge protectors, and particularly relates to a surge protector, which comprises a protector body. A threading hole is formed in the front face of the device body, an anti-disengaging structure is installed on the front face of the device body and corresponds to the threading hole, and a fast-assembling structure is installed on the device body. Through the design of the anti-drop structure, the problem that connection between an external wire and the surge protector is loosened and even falls off when the existing surge protector is influenced by an external force factor is solved, so that the use effect of the surge protector is better; through the design of the quick-mounting structure, the problem that an existing surge protector is fixedly mounted on an equipment guide rail through a bolt, and the surge protector is inconvenient to replace is solved, so that the replacement efficiency of the surge protector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surge protectors, and particularly relates to a surge protector. Background Art

[0002] A surge protector is an electronic device that provides safety protection for various electronic devices, instruments, and communication lines. When a spike current or voltage suddenly occurs in an electrical circuit or communication line due to external interference, the surge protector can conduct and shunt in an extremely short time, thereby avoiding damage to other devices in the circuit by the surge. Most surge protectors are installed in a distribution box through screws and other related parts, or installed in other related electrical devices, and are electrically connected to cables and related electrical components to form a complete closed circuit, so as to provide protection for the electrical device.

[0003] Under the influence of external force factors, the connection between the external wire and the surge protector of the existing surge protector will become loose or even fall off, resulting in the abnormal operation of the surge protector; secondly, the existing surge protector is fixedly installed on the equipment guide rail through bolts, and the installation and disassembly are relatively troublesome, which is not convenient to replace the surge protector, and the replacement efficiency is low. Therefore, a surge protector is proposed for the above problems. Content of the Utility Model

[0004] In order to make up for the deficiencies of the existing technology, under the influence of external force factors, the connection between the external wire and the surge protector of the existing surge protector will become loose or even fall off, resulting in the abnormal operation of the surge protector; secondly, the existing surge protector is fixedly installed on the equipment guide rail through bolts, and the installation and disassembly are relatively troublesome, which is not convenient to replace the surge protector, and the replacement efficiency is low. The utility model proposes a surge protector.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a surge protector, including a device body; a wire passing hole is opened on the front surface of the device body, and an anti - detachment structure is installed on the front surface of the device body corresponding to the wire passing hole, and a quick - installation structure is installed on the device body;

[0006] The anti - detachment structure includes a support plate. The fronts of the two support plates are connected through a fixed frame. A lower clamping plate is installed in the inner cavity of the fixed frame. A threaded hole is opened on the fixed frame. The fixed frame is threadedly connected with a threaded rod through the threaded hole. A wrench sleeve is arranged at the upper end of the threaded rod. A first limit ring is arranged at the lower end of the threaded rod. A connecting sleeve is rotatably connected to the outer wall of the first limit ring. An upper clamping plate is installed at the bottom of the upper clamping plate;

[0007] The quick - installation structure includes a fixed block. An installation groove is formed on the fixed block. A sealing ring is installed on the fixed block through the installation groove. A movable rod is slidably connected to the inner wall of the installation groove. A pressing ring is installed on the outer wall of the movable rod and below the sealing ring. A first spring is installed at the bottom of the pressing ring and outside the movable rod. A hemispherical body is arranged at the lower end of the movable rod. An activity groove is formed on the hemispherical body. A second spring is installed on the hemispherical body through the activity groove. An unlocking disc is arranged at the upper end of the second spring. A second limiting ring is installed on the outer wall of the movable rod and above the unlocking disc. The quick - installation structure further includes a mounting seat. An inner groove corresponding to the hemispherical body is formed on the mounting seat. A third spring is installed on the mounting seat through the inner groove. The other end of the third spring is installed with a trapezoidal block.

[0008] Preferably, three threading holes are formed and evenly distributed on the front surface of the device body. Two groups of support plates are provided. The backs of the two support plates are both connected to the front surface of the device body.

[0009] Preferably, an internal hexagonal wrench groove is formed on the wrench sleeve. Rubber pads are installed on the inner walls of the lower clamping plate and the upper clamping plate.

[0010] Preferably, the connection mode between the fixed frame and the upper clamping plate is a sliding connection. The lower clamping plate and the upper clamping plate are arranged as a half - cylinder.

[0011] Preferably, four groups of fixed blocks are provided. The two groups of fixed blocks on the left are connected to the left side wall of the device body, and the two groups of fixed blocks on the right are connected to the right side wall of the device body. The unlocking disc is slidably connected to the movable rod through a connection hole.

[0012] Preferably, the fixed block is connected to the lower end of the first spring through the installation groove. A through - hole corresponding to the movable rod is formed at the bottom of the fixed block. The lower end of the movable rod passes through the through - hole and is slidably connected to the fixed block. The mounting seat is slidably connected to the trapezoidal block through the inner groove.

[0013] Preferably, the cross - section of the trapezoidal block is arranged as a right - angled trapezoid structure. Both the upper and lower sides of the unlocking disc are arranged as inclined surfaces.

[0014] Preferably, a groove is formed on the hemispherical body and above the activity groove. The groove is adapted to the unlocking disc. A connection groove corresponding to the hemispherical body is formed on the mounting seat. The mounting seat is slidably connected to the hemispherical body through the connection groove. A track groove is formed at the bottom of the mounting seat.

[0015] The beneficial effects of the present utility model are as follows:

[0016] 1. Through the anti - detachment structure design, the present utility model drives the threaded rod to rotate. Under the transmission and cooperation of the first limit ring and the connecting sleeve, the upper clamping plate is driven to move downward. The upper clamping plate cooperates with the lower clamping plate to fix the electric wire for the second time, greatly increasing the connection strength between the external electric wire and the surge protector, solving the problem that when the existing surge protector is affected by external factors, the connection between the external electric wire and the surge protector will become loose or even fall off, and making the use effect of the surge protector better.

[0017] 2. Through the quick - installation structure design, when pressing the movable rod towards the inner side of the connecting groove, the movable rod drives the hemisphere to slide over the inclined surface of the trapezoidal block, and the trapezoidal block clamps the hemisphere to achieve the quick installation of the surge protector; continue to press the movable rod, the movable rod drives the unlocking disc to slide over the inclined surface of the trapezoidal block. Release the movable rod, and under the reset action of the first spring, the movable rod moves reversely, driving the unlocking disc and the hemisphere to slide over the trapezoidal block successively to achieve the quick disassembly of the surge protector, solving the problem that the existing surge protector is inconvenient to replace because it is fixed on the equipment guide rail by bolts, thereby improving the replacement efficiency of the surge protector. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 is the three - dimensional structure schematic diagram of the present utility model;

[0020] Figure 2 is the three - dimensional split - structure schematic diagram of the present utility model;

[0021] Figure 3 is the sectional view of the anti - detachment structure of the present utility model;

[0022] Figure 4 is the sectional view of the quick - installation structure of the present utility model;

[0023] Figure 5 is the enlarged structure schematic diagram at A of the present utility model;

[0024] Figure 6 is the partial schematic diagram of the quick - installation structure of the present utility model.

[0025] In the figure: 1. body; 2. threading hole; 3. anti-slip structure; 301. support plate; 302. fixing frame; 303. lower clamping plate; 304. threaded hole; 305. threaded rod; 306. spanner set; 307. first limit ring; 308. connecting sleeve; 309. upper clamping plate; 4. quick-release structure; 401. fixing block; 402. mounting groove; 403. sealing ring; 404. movable rod; 405. pressing ring; 406. first spring; 407. hemisphere; 408. movable groove; 409. second spring; 410. unlocking disk; 411. second limit ring; 412. mounting seat; 413. inner groove; 414. third spring; 415. trapezoidal block; 416. groove; 417. connecting groove; 5. track groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The following is combined with Figure 1-6 To further explain this application in detail,

[0028] The present application embodiment discloses a surge protector. Figure 1 and Figure 6 A surge protector includes a body 1; a threading hole 2 is provided on the front of the body 1, an anti-drop structure 3 is installed on the front of the body 1 and corresponds to the threading hole 2, and a quick-install structure 4 is installed on the body 1;

[0029] The anti-slip structure 3 includes a support plate 301, the front faces of the two support plates 301 are connected by a fixed frame 302, a lower clamping plate 303 is installed in the inner cavity of the fixed frame 302, a threaded hole 304 is opened on the fixed frame 302, a threaded rod 305 is threadedly connected to the fixed frame 302 through the threaded hole 304, a wrench sleeve 306 is arranged at the upper end of the threaded rod 305, a first limiting ring 307 is arranged at the lower end of the threaded rod 305, and a connecting sleeve 308 is rotatably connected to the outer wall of the first limiting ring 307. An upper clamping plate 309 is installed at the bottom of 309, which drives the threaded rod 305 to rotate, and drives the upper clamping plate 309 to move downward through the transmission cooperation of the first limit ring 307 and the connecting sleeve 308. The upper clamping plate 309 cooperates with the lower clamping plate 303 to fix the wires for a second time, so that the connection strength between the external wires and the surge protector is greatly increased, and the problem that the connection between the external wires and the surge protector becomes loose or even falls off when the existing surge protector is affected by external forces is solved, so that the use effect of the surge protector is better;

[0030] The quick installation structure 4 includes a fixed block 401. An installation groove 402 is formed in the fixed block 401. A sealing ring 403 is installed in the fixed block 401 through the installation groove 402. A movable rod 404 is slidably connected to the inner wall of the installation groove 402. A pressure ring 405 is installed on the outer wall of the movable rod 404 and below the sealing ring 403. A first spring 406 is installed at the bottom of the pressure ring 405 and outside the movable rod 404. A hemispherical body 407 is arranged at the lower end of the movable rod 404. An activity groove 408 is formed in the hemispherical body 407. A second spring 409 is installed in the hemispherical body 407 through the activity groove 408. An unlocking disc 410 is arranged at the upper end of the second spring 409. A second limiting ring 411 is installed on the outer wall of the movable rod 404 and above the unlocking disc 410. The quick installation structure 4 further includes a mounting seat 412. An inner groove 413 corresponding to the hemispherical body 407 is formed in the mounting seat 412. A third spring 414 is installed in the mounting seat 412 through the inner groove 413. The other end of the third spring 414 is installed with a trapezoidal block 415. Press the movable rod 404 towards the inner side of the connection groove 417. The movable rod 404 drives the hemispherical body 407 to slide over the inclined surface of the trapezoidal block 415. The trapezoidal block 415 locks the hemispherical body 407, realizing the quick installation of the surge protector. Continue to press the movable rod 404. The movable rod 404 drives the unlocking disc 410 to slide over the inclined surface of the trapezoidal block 415. Release the movable rod 404 and under the reset action of the first spring 406, the movable rod 404 moves reversely, driving the unlocking disc 410 and the hemispherical body 407 to slide over the trapezoidal block 415 successively, realizing the quick disassembly of the surge protector, solving the problem that the existing surge protector is fixed on the equipment guide rail by bolts, which is not convenient to replace the surge protector, and thus improving the replacement efficiency of the surge protector.

[0031] Refer to Figure 3 Three threading holes 2 are formed and are evenly distributed on the front surface of the device body 1. Two groups of support plates 301 are provided. The backs of the two support plates 301 are both connected to the front surface of the device body 1. An internal hexagonal wrench groove is formed in the wrench sleeve 306. Rubber pads are installed on the inner walls of the lower clamping plate 303 and the upper clamping plate 309.

[0032] Among them, by installing rubber pads on the inner walls of the lower clamping plate 303 and the upper clamping plate 309, the surface of the wire can be protected when the lower clamping plate 303 and the upper clamping plate 309 clamp the wire, avoiding damage to the wire.

[0033] Refer to Figure 5 and Figure 6, the connection mode between the fixed frame 302 and the upper clamping plate 309 is a sliding connection, and the lower clamping plate 303 and the upper clamping plate 309 are arranged as a half-cylinder; there are four groups of fixing blocks 401. The two groups of fixing blocks 401 on the left are connected to the left side wall of the device body 1, and the two groups of fixing blocks 401 on the right are connected to the right side wall of the device body 1. The unlocking disc 410 is slidably connected to the movable rod 404 through the connection hole; the fixing block 401 is connected to the lower end of the first spring 406 through the installation groove 402. A through hole is opened at the bottom of the fixing block 401 corresponding to the movable rod 404. The lower end of the movable rod 404 penetrates through the through hole and is slidably connected to the fixing block 401. The mounting seat 412 is slidably connected to the trapezoidal block 415 through the inner groove 413; the cross section of the trapezoidal block 415 is arranged as a right trapezoidal structure. Both the upper and lower sides of the unlocking disc 410 are arranged as inclined surfaces; a groove 416 is opened on the hemispherical body 407 above the movable groove 408. The groove 416 is adapted to the unlocking disc 410. A connection groove 417 is opened on the mounting seat 412 corresponding to the hemispherical body 407. The mounting seat 412 is slidably connected to the hemispherical body 407 through the connection groove 417. A track groove 5 is opened at the bottom of the mounting seat 412;

[0034] Among them, both the upper and lower sides of the unlocking disc 410 are arranged as inclined surfaces, enabling the trapezoidal block 415 to slide back and forth in two directions across the unlocking disc 410, thereby realizing the rapid replacement of the surge protector;

[0035] Working principle: The external wire sequentially passes through the lower clamping plate 303 and the wire passing hole 2 and is connected to the inside of the device body 1. The user drives the wrench sleeve 306 to rotate through an inner hexagon wrench. The wrench sleeve 306 drives the threaded rod 305 to rotate on the fixed frame 302. The threaded rod 305 drives the first limit ring 307 to rotate. The first limit ring 307 drives the connecting sleeve 308 to move. The connecting sleeve 308 drives the upper clamping plate 309 to move downward. The upper clamping plate 309 cooperates with the lower clamping plate 303 to clamp the external wire, realizing the secondary fixation of the external wire, greatly increasing the connection strength between the external wire and the surge protector. By setting the anti-disconnection structure 3, the problem that the connection between the external wire and the surge protector will become loose or even fall off under the influence of external force factors in the existing surge protector is solved, making the use effect of the surge protector better;

[0036] The user presses the movable rod 404 towards the inside of the connecting groove 417. The movable rod 404 compresses the first spring 406 through the pressure ring 405. The movable rod 404 drives the hemispherical body 407 to slide over the inclined surface of the trapezoidal block 415, so that the bottom of the trapezoidal block 415 is located at the upper port of the hemispherical body 407, and the trapezoidal block 415 clamps the hemispherical body 407, realizing the quick installation of the surge protector; continue to press the movable rod 404 towards the inside of the connecting groove 417, and the lower inclined surface of the unlocking disc 410 driven by the movable rod 404 slides over the inclined surface of the trapezoidal block 415. At this time, the user releases the movable rod 404 and under the reset action of the first spring 406, the first spring 406 drives the movable rod 404 to move in the opposite direction. The pressure ring 405 drives the movable rod 404 to move in the reverse direction. The movable rod 404 drives the unlocking disc 410 and the hemispherical body 407 to slide over the trapezoidal block 415 successively, so that the hemispherical body 407 is pulled out of the connecting groove 417, realizing the quick disassembly of the surge protector. By setting the quick installation structure 4, the problem that the existing surge protector is fixed on the equipment guide rail by bolts and it is inconvenient to replace the surge protector is solved, thereby improving the replacement efficiency of the surge protector.

[0037] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A surge protector, comprising a device body (1); characterized in that: A threading hole (2) is provided on the front of the device body (1); an anti-drop structure (3) is installed on the front of the device body (1) and corresponding to the threading hole (2); and a quick-installation structure (4) is installed on the device body (1); The anti-slip structure (3) comprises a support plate (301), the front faces of the two support plates (301) are connected via a fixing frame (302), a lower clamping plate (303) is installed in the inner cavity of the fixing frame (302), a threaded hole (304) is provided on the fixing frame (302), a threaded rod (305) is threadedly connected to the fixing frame (302) via the threaded hole (304), a wrench sleeve (306) is provided at the upper end of the threaded rod (305), a first limiting ring (307) is provided at the lower end of the threaded rod (305), a connecting sleeve (308) is rotatably connected to the outer wall of the first limiting ring (307), and an upper clamping plate (309) is installed at the bottom of the upper clamping plate (309); The quick-install structure (4) comprises a fixed block (401), a mounting groove (402) is provided on the fixed block (401), a sealing ring (403) is installed on the fixed block (401) through the mounting groove (402), a movable rod (404) is slidably connected to the inner wall of the mounting groove (402), a pressure ring (405) is installed on the outer wall of the movable rod (404) and located below the sealing ring (403), a first spring (406) is installed at the bottom of the pressure ring (405) and located outside the movable rod (404), a hemisphere (407) is provided at the lower end of the movable rod (404), and a movable spring (406) is installed on the hemisphere (407). The movable groove (408) is provided on the hemispherical body (407) with a second spring (409) through the movable groove (408), an unlocking disk (410) is provided at the upper end of the second spring (409), a second limiting ring (411) is provided on the outer wall of the movable rod (404) and located on the upper side of the unlocking disk (410), the quick-installation structure (4) further comprises a mounting seat (412), an inner groove (413) is provided on the mounting seat (412) and corresponding to the hemispherical body (407), a third spring (414) is provided on the mounting seat (412) through the inner groove (413), and a trapezoidal block (415) is provided at the other end of the third spring (414).

2. A surge protector according to claim 1, characterized in that: The threading holes (2) are provided in three numbers and are all distributed on the front side of the device body (1). The support plates (301) are provided in two groups, and the backs of the two support plates (301) are connected to the front side of the device body (1).

3. A surge protector according to claim 1, characterized in that: The spanner sleeve (306) is provided with a hexagonal spanner slot, and rubber pads are installed on the inner walls of the lower clamping plate (303) and the upper clamping plate (309).

4. A surge protector according to claim 1, characterized in that: The fixing frame (302) and the upper clamping plate (309) are connected in a sliding manner, and the lower clamping plate (303) and the upper clamping plate (309) are arranged in the form of a half cylinder.

5. A surge protector according to claim 1, characterized in that: Four groups of the fixing blocks (401) are provided, the two groups of the fixing blocks (401) on the left are connected to the left side wall of the device body (1), and the two groups of the fixing blocks (401) on the right are connected to the right side wall of the device body (1), and the unlocking disk (410) is slidably connected to the movable rod (404) through a connecting hole.

6. A surge protector according to claim 1, characterized in that: The fixed block (401) is connected to the lower end of the first spring (406) via the mounting groove (402); a through hole is provided at the bottom of the fixed block (401) and corresponds to the movable rod (404); the lower end of the movable rod (404) passes through the through hole and is slidably connected to the fixed block (401); and the mounting seat (412) is slidably connected to the trapezoidal block (415) via the inner groove (413).

7. A surge protector according to claim 1, characterized in that: The cross section of the trapezoidal block (415) is a right-angled trapezoidal structure, and the upper and lower sides of the unlocking plate (410) are both inclined surfaces.

8. A surge protector according to claim 1, characterized in that: A groove (416) is provided on the hemispherical body (407) and is located on the upper side of the movable groove (408). The groove (416) is matched with the unlocking plate (410). A connecting groove (417) is provided on the mounting seat (412) and corresponds to the hemispherical body (407). The mounting seat (412) is slidably connected to the hemispherical body (407) via the connecting groove (417). A track groove (5) is provided at the bottom of the mounting seat (412).

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