CN217691691U - Single-phase grounding protection device for power grid - Google Patents

Abstract

The utility model discloses a single-phase earth protection device of electric wire netting relates to earth protection equipment technical field. The utility model discloses a: the mounting plate, the fixed shell, the wiring terminal, the first spring, the abutting plate and the rotating block; the mounting panel is fixed firmly on the mounting panel, the turning block rotates to be installed on the mounting panel, it can supply to construct on the mounting panel the perforation that the terminal runs through, the cardboard has set firmly on the terminal, it can supply to construct on the turning block the through-hole that the cardboard passed, just the turning block bottom be constructed can with the draw-in groove of cardboard looks joint. The utility model discloses can carry on spacingly to the roof, replace only single form the mode of contradicting through the spring between roof and the fixture block, effectually avoided the spring to use elasticity for a long time to reduce, lead to unable conflict between roof and the fixture block, cause and unable to fix the terminal to lead to the unable normal use's of equipment the condition, be favorable to the popularization and the use of equipment.

Description

Single-phase grounding protection device for power grid

Technical Field

The utility model relates to a ground protection equipment technical field, concretely relates to single-phase ground protection device of electric wire netting.

Background

The grounding protection refers to a protection wiring mode that the metal part (namely, the metal structure part insulated from the charged part) of the electric appliance which is not charged under normal conditions and can be charged under the condition that the insulating material is damaged or under other conditions is reliably connected with a grounding body by a lead. And grounding the metal shell of the electrical equipment. The device can prevent the strong current from passing through the human body when the metal shell is electrified under the condition of insulation damage or accident, thereby ensuring the personal safety.

The publication No. CN212209771U in the prior art discloses an intelligent grounding protection device for a power distribution network, which comprises a connector lug, wherein a grounding wire is fixedly connected to one side of the connector lug, an insulating sleeve is sleeved on the outer surface of the grounding wire, and one end, far away from the connector lug, of the grounding wire is fixedly connected with a grounding electrode; the outer surface of the insulating sleeve is fixedly connected with a rotating block, and two sides of the insulating sleeve are fixedly connected with clamping blocks; the outer surface of the insulating sleeve is sleeved with a mounting plate, and an expansion bolt is inserted into the top of the mounting plate; the top fixedly connected with sleeve of mounting panel, telescopic inside fixedly connected with spring, the top fixedly connected with roof of spring, the manhole has been seted up at telescopic top, the draw-in groove has been seted up to telescopic inside.

Above-mentioned patent is when using, though through insulating cover, change the piece, the fixture block, the sleeve, a spring, the cooperation setting of roof and draw-in groove, can make the holistic installation of earth connection all very simple and convenient with the dismantlement, however, do not carry out spacing function to the roof, only single formation conflict between roof and the fixture block through the spring, and the spring uses elasticity for a long time to reduce, thereby probably lead to can't contradicting between roof and the fixture block, thereby can't fix the terminal, lead to the unable normal use of equipment, remain to improve, for this reason, we have proposed a single-phase ground protection device of electric wire netting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem provided in the background art, the utility model provides a single-phase ground protection device of electric wire netting.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a single-phase earth protection device for an electrical grid, comprising:

the mounting plate, the fixed shell, the wiring terminal, the first spring, the abutting plate and the rotating block;

the fixing shell is fixedly arranged on the mounting plate, the rotating block is rotatably arranged on the fixing shell, a through hole for the terminal to penetrate through is formed in the mounting plate, a clamping plate is fixedly arranged on the terminal, a through hole for the clamping plate to penetrate through is formed in the rotating block, a clamping groove capable of being clamped with the clamping plate is formed in the bottom of the rotating block, the first spring is located in the fixing shell and fixedly connected with the first abutting plate, and the first abutting plate abuts against the clamping plate through the first spring;

further comprising:

the mounting plate is provided with a sliding groove, and the sliding block is slidably mounted in the sliding groove;

the hinge rod is hinged to the touch plate, and the free end of the hinge rod is hinged to the sliding block;

the through groove is formed in the fixed shell, and the sliding groove is communicated with the through groove and extends to the outside of the fixed shell;

and the limiting part is arranged on the fixed shell and is connected with the sliding block, and when the contact plate is contacted with the clamping plate, the limiting part limits the sliding block to slide in the sliding groove.

Further, the restricting member includes:

the restriction shell, its activity cover is established the set casing is outside, and the activity cover is established the terminal is outside, works as the restriction shell with when the mounting panel contacts, the slider is located in the restriction shell, and with the restriction shell is contradicted mutually.

Further, the bottom of the slider is provided with a ball.

Further, install the shutoff piece on the mounting panel, work as the restriction shell with when the mounting panel contacted, the shutoff piece was right the spout carries out the shutoff.

Further, install on the mounting panel and act on the locating part of shutoff piece, it is used for to when the spout carries out the shutoff piece carries on spacingly.

Further, the stopper includes:

the limiting shell is fixedly arranged on the mounting plate and is positioned on one side of the sliding groove;

the limiting rod movably penetrates through one side, close to the sliding groove, of the limiting shell;

the resetting mechanism is arranged in the limiting shell and connected with the limiting rod, and the resetting mechanism is used for enabling the limiting rod to slide in the limiting shell so that one end of the limiting rod penetrates through the limiting shell and is located outside the limiting shell.

Further, the reset mechanism comprises:

the shell is fixedly arranged in the limiting shell, and a reset rod fixedly connected with the limiting rod movably penetrates through the shell;

and the second spring is sleeved outside the shell, and two ends of the second spring are respectively abutted against the limiting shell and the limiting rod.

Further, install sealed the pad on the restriction shell, work as the restriction shell cover is established when the terminal is outside, sealed pad with the terminal is inconsistent.

The utility model has the advantages as follows: the utility model discloses a set up the mounting panel, the set casing, the terminal, the turning block, the cardboard, spring one, support the touch panel, the slider, the spout, the hinge bar, wear groove and restriction piece, can carry on spacingly to the roof, replaced only single mode of contradicting of passing through the spring to forming between roof and the fixture block, the effectual spring of having avoided uses elasticity for a long time to reduce, lead to can't contradicting between roof and the fixture block, cause and can't fix the terminal, thereby lead to the unable normal use's of equipment condition, be favorable to the popularization and the use of equipment.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a semi-sectional view of the three-dimensional structure of the present invention;

fig. 3 is a partial three-dimensional sectional view of the present invention;

fig. 4 is an enlarged view of the present invention at a in fig. 3;

fig. 5 is a front view of the present invention;

fig. 6 isbase:Sub>A perspective sectional view of the present invention in the direction ofbase:Sub>A-base:Sub>A in fig. 5;

reference numerals: 1. mounting a plate; 2. a stationary case; 3. a binding post; 4. rotating the block; 5. clamping a plate; 6. a first spring; 7. a touch plate; 8. a slider; 9. a chute; 10. a hinged lever; 11. penetrating a groove; 12. a limiting member; 1201. a confinement shell; 13. a ball bearing; 14. a plugging block; 15. a limiting member; 1501. a limiting shell; 1502. a limiting rod; 1503. a reset mechanism; 15031. a housing; 15032. a reset lever; 15033. a second spring; 16. and a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1-, an embodiment of the present invention provides a single-phase grounding protection device for an electrical grid, including: the device comprises a mounting plate 1, a fixed shell 2, a binding post 3, a first spring 6, a butt plate 7 and a rotating block 4; set casing 2 sets firmly on mounting panel 1, be constructed with the mounting hole on the mounting panel 1, the mounting hole is interior to be inserted and is equipped with the bolt, mounting panel 1 is subaerial through the bolt fastening, turning block 4 rotates to be installed on set casing 2, be constructed with the perforation that can supply terminal 3 to run through on the mounting panel 1, cardboard 5 has set firmly on terminal 3, be constructed with the through-hole that can supply cardboard 5 to pass on the turning block 4, and turning block 4 bottom be constructed with can with the draw-in groove of 5 looks joints of cardboard, what need explain: when cardboard 5 is located the draw-in groove, and with draw-in groove looks joint, spring 6 is located set casing 2 and with conflict board 7 looks rigid coupling, and conflict board 7 forms conflict, what need explain through spring 6 and cardboard 5: the through holes are formed in the abutting plate 7, the terminal 3 can penetrate through the through holes in the abutting plate 7, when the terminal 3 is installed, the terminal 3 is inserted into the through holes in the rotating block 4, the terminal 3 penetrates through the through holes in the abutting plate 7 and the through holes in the installing plate 1 and is inserted into the ground, the clamping plate 5 penetrates through the through holes in the rotating block 4, when the clamping plate 5 is in contact with the abutting plate 7, acting force is continuously exerted on the terminal 3, the abutting plate 7 is far away from the rotating block 4, at the moment, the first spring 6 is stressed and deformed, when the clamping plate 5 is located below the rotating block 4, the rotating block 4 is rotated to enable the clamping groove to be clamped with the clamping plate 5, at the moment, the acting force on the terminal 3 is cancelled, the first spring 6 is restored to a natural state, the abutting plate 7 is close to the rotating block 4, the clamping plate 5 is located in the clamping groove, the abutting plate 7 is abutted to the clamping plate 5, and therefore the terminal 3 is installed and fixed; further comprising: the sliding block 8, the mounting plate 1 is constructed with a chute 9, and the sliding block 8 is slidably mounted in the chute 9; the hinge rod 10 is hinged on the touch plate 7, and the free end of the hinge rod 10 is hinged with the sliding block 8; a through groove 11 configured on the fixed shell 2, wherein the sliding groove 9 is communicated with the through groove 11 and extends to the outside of the fixed shell 2, when the terminal 3 is installed, an acting force is applied to the terminal 3, so that when the touch panel 7 is far away from the rotating block 4, at this time, the hinge rod 10 rotates around its own hinge point on the touch panel 7, and the other end of the hinge rod 10 rotates with the slider 8, so that the slider 8 slides in the sliding groove 9, whereas when the touch panel 7 approaches the rotating block 4, the hinge rod 10 rotates around its own hinge point on the touch panel 7, and the other end of the hinge rod 10 rotates with the slider 8, so that the slider 8 slides in the sliding groove 9 to be reset, wherein, in the present embodiment, the slider 8 and the hinge rod 10 can penetrate through the through groove 11 through the design of the through groove 11, as shown in fig. 2 in particular; restriction member 12, it is installed on set casing 2, and be connected with slider 8, when conflict board 7 and cardboard 5 inconsistent, restriction member 12 restriction slider 8 slides in spout 9, design through restriction member 12, install at terminal 3, and the draw-in groove can with cardboard 5 looks joint, conflict board 7 and cardboard 5 inconsistent, this moment, restriction member 12 restriction slider 8 slides in spout 9, thereby fix slider 8's position, thereby realize carrying on spacingly to conflict board 7, make conflict board 7 and cardboard 5 inconsistent, when spring 6 uses for a long time and leads to elasticity to reduce, can make slider 8 slide in spout 9, at this moment, take place to rotate between articulated rod 10 and the slider 8, and take place to rotate between articulated rod 10 and the conflict board 7, thereby can realize making the terminal 7 be close to turning block 4, thereby make conflict board 7 and cardboard 5 inconsistent, install fixedly to 3, to contradict, the utility model discloses can carry out spacing to the roof, replaced just single through the spring to form between terminal and the terminal, thereby the unable useful condition of spring can's reduction can't lead to the unable useful condition of roof and the unable useful equipment for a long time.

As shown in fig. 2, in some embodiments, the limiter 12 comprises: restriction shell 1201, its activity cover is established outside fixed shell 2, and the activity cover is established outside terminal 3, needs to explain to be: the top of restriction shell 1201 is constructed there is the opening, terminal 3 runs through restriction shell 1201 top opening and laminates mutually with restriction shell 1201, when restriction shell 1201 contacts with mounting panel 1, slider 8 is located restriction shell 1201, and inconsistent with restriction shell 1201, when using, after the installation of terminal 3 is accomplished, conflict board 7 is inconsistent with cardboard 5, make restriction shell 1201 overlap and establish outside fixed shell 2, when restriction shell 1201 contacts with mounting panel 1, at this moment, slider 8 is located restriction shell 1201 and inconsistent with restriction shell 1201, restriction shell 1201 can restrict slider 8 and slide in spout 9 this moment.

As shown in fig. 2, in some embodiments, the bottom of the sliding block 8 is provided with a ball 13, and it should be noted that: ball 13 contacts with the bottom inner wall of spout 9, specifically can be as shown in fig. 2, in this embodiment, through ball 13's design, when installation terminal 3, when making touch panel 7 keep away from turning block 4 to when making slider 8 slide in spout 9, at this moment, roll takes place between ball 13 and the spout 9, thereby reduce the frictional force between slider 8 and the spout 9, thereby saved the physical power when installation terminal 3 for the staff.

As shown in fig. 2, 3 and 4, in some embodiments, the mounting plate 1 is mounted with a block piece 14, which is illustrated as follows: blocking block 14 and mounting panel 1 fixed connection, when restriction shell 1201 contacts with mounting panel 1, blocking block 14 blocks up spout 9, in this embodiment, through blocking block 14's design, when restricting slider 8 through restriction shell 1201 and slide in spout 9, at this moment, realized blocking spout 9, the effectual dust in the environment of having avoided, in debris etc. drop to spout 9, thereby lead to spout 9 to block up, and cause slider 8 can't carry out the gliding condition in spout 9.

As shown in fig. 1, fig. 3 and fig. 4, in some embodiments, a limiting member 15 acting on the blocking block 14 is installed on the mounting plate 1, and is used for limiting the blocking block 14 when the sliding slot 9 is blocked, in this embodiment, the blocking block 14 when the sliding slot 9 is blocked is limited by the design of the limiting member 15, and since the blocking block 14 is fixedly connected with the limiting shell 1201, the limiting shell 1201 is limited, so that the limiting shell 1201 can be effectively and continuously limited by the limiting shell 1201 to the sliding of the sliding block 8 in the sliding slot 9.

As shown in fig. 4, in some embodiments, the limiting member 15 includes: the limiting shell 1501 is fixedly arranged on the mounting plate 1 and is positioned on one side of the sliding groove 9; the limiting rod 1502 movably penetrates through one side, close to the sliding groove 9, of the limiting shell 1501, in the embodiment, the longitudinal section of the limiting rod 1502 is in an L shape, the limiting rod 1502 horizontally and movably penetrates through one side, close to the sliding groove 9, of the limiting shell 1501, a sliding groove is formed in the top of the limiting shell 1501, one end, vertical to the limiting rod 1502, of the limiting rod 1502 vertically penetrates through the sliding groove in the top of the limiting shell 1501 and is in sliding connection with the limiting shell 1501, when the limiting rod is used, one end, vertical to the limiting rod 1502 is pulled to slide in the sliding groove, the limiting rod 1502 can slide in the limiting shell 1501, one end, horizontal to the limiting rod 1502 is located outside the limiting shell 1501 or hidden in the limiting shell 1501, when the limiting shell 1201 limits the sliding block 8, the limiting rod is pulled to enable one end, horizontal to be hidden in the limiting shell, and when the sliding block 14 blocks the sliding groove 9, the limiting rod 1502 slides in the limiting shell 1501, one end, horizontal to the limiting shell 1501 is located outside the limiting shell 1501, and accordingly, the blocking block 14 blocks the sliding block 1501; the reset mechanism 1503 is installed in the limiting shell 1501 and connected with the limiting rod 1502, and the reset mechanism 1503 is used for enabling the limiting rod 1502 to slide in the limiting shell 1501, so that one end of the limiting rod 1502 penetrates through the limiting shell 1501 to be located outside the limiting shell, through the design of the reset mechanism 1503, when the limiting rod 1502 is pulled to be horizontally hidden into the limiting shell 1501 towards one end, the state of the reset mechanism 1503 changes, when the blocking block 14 blocks the sliding groove 9, the acting force on the limiting rod 1502 is cancelled, at the moment, the reset mechanism 1503 recovers to the original state, so that the limiting rod 1502 is pushed to slide in the limiting shell 1501 to reset, the horizontal end of the limiting block 14 is located outside the limiting shell 1501, and therefore the blocking block 14 during blocking of the sliding groove 9 can be limited and is convenient to use.

As shown in fig. 4, in some embodiments, the reset mechanism 1503 includes: a shell 15031 which is fixedly arranged in the limiting shell 1501, wherein a reset rod 15032 fixedly connected with the limiting rod 1502 movably penetrates through the shell 15031; two 15033 of spring, its cover is established outside casing 15031, and the both ends of two 15033 of spring respectively with spacing shell 1501 and gag lever post 1502 inconsistent, when using, when pulling gag lever post 1502 makes its level hide to spacing shell 1501 in to one end, release link 15032 slides to its inside along casing 15031, at this moment, two 15033 atress of spring take place deformation, when blocking piece 14 carries out the shutoff to spout 9, the effort to gag lever post 1502 is cancelled, at this moment, two 15033 of spring resume deformation, thereby can promote the gag lever post 1502 and slide in spacing shell 1501 and reset, make its level outside spacing shell 1501 to one end, at this moment, release link 15032 slides to its outside along casing 15031.

As shown in fig. 2 and fig. 6, in some embodiments, a gasket 16 is installed on the limiting shell 1201, and when the limiting shell 1201 is sleeved outside the terminal 3, the gasket 16 interferes with the terminal 3, which is to be noted that: the inside wall structure of restriction shell 1201 top opening has the mounting groove, sealed pad 16 is inserted and is established in the mounting groove and with restriction shell 1201 joint mutually, made things convenient for sealed pad 16 to change, in this embodiment, design through sealed pad 16, establish when the restriction shell 1201 cover is established at terminal 3 outside, sealed pad 16 is inconsistent with terminal 3, thereby the leakproofness of restriction shell 1201 with the junction of terminal 3 has been increased, thereby effectual rainwater of having avoided etc. gets into restriction shell 1201 with terminal 3 from restriction shell 1201, with the terminal 3 contact and lead to the rusty condition of terminal 3.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A single-phase grounding protection device of a power grid comprises:

the device comprises a mounting plate (1), a fixed shell (2), a binding post (3), a first spring (6), a butt plate (7) and a rotating block (4);

the fixed shell (2) is fixedly arranged on the mounting plate (1), the rotating block (4) is rotatably arranged on the fixed shell (2), a through hole for the terminal (3) to penetrate through is formed in the mounting plate (1), a clamping plate (5) is fixedly arranged on the terminal (3), a through hole for the clamping plate (5) to penetrate through is formed in the rotating block (4), a clamping groove capable of being clamped with the clamping plate (5) is formed in the bottom of the rotating block (4), the first spring (6) is located in the fixed shell (2) and fixedly connected with the abutting plate (7), and the abutting plate (7) is abutted against the clamping plate (5) through the first spring (6);

it is characterized by also comprising:

the mounting plate (1) is provided with a sliding groove (9), and the sliding block (8) is slidably mounted in the sliding groove (9);

the hinge rod (10) is hinged on the abutting plate (7), and the free end of the hinge rod (10) is hinged with the sliding block (8);

a through groove (11) configured on the fixed shell (2), wherein the sliding groove (9) is communicated with the through groove (11) and extends to the outside of the fixed shell (2);

and the limiting piece (12) is installed on the fixed shell (2) and is connected with the sliding block (8), and when the abutting plate (7) abuts against the clamping plate (5), the limiting piece (12) limits the sliding block (8) to slide in the sliding groove (9).

2. A single-phase earth protection device for electric networks according to claim 1, characterized in that said limiting member (12) comprises:

and the limiting shell (1201) is movably sleeved outside the fixed shell (2), and movably sleeved outside the wiring terminal (3), and when the limiting shell (1201) is in contact with the mounting plate (1), the sliding block (8) is positioned in the limiting shell (1201) and is abutted against the limiting shell (1201).

3. The single-phase power grid ground protection device according to claim 1, wherein a ball (13) is mounted at the bottom of the sliding block (8).

4. The single-phase grounding protection device of the power grid according to claim 2, characterized in that a blocking block (14) is installed on the mounting plate (1), and when the limiting shell (1201) is in contact with the mounting plate (1), the blocking block (14) blocks the chute (9).

5. A single-phase power grid ground protection device according to claim 4, characterized in that a limiting member (15) acting on the blocking block (14) is mounted on the mounting plate (1) and used for limiting the blocking block (14) when the chute (9) is blocked.

6. The single-phase power grid ground protection device according to claim 5, wherein the limiting member (15) comprises:

the limiting shell (1501) is fixedly arranged on the mounting plate (1) and is positioned on one side of the sliding groove (9);

the limiting rod (1502) movably penetrates through one side, close to the sliding chute (9), of the limiting shell (1501);

and the resetting mechanism (1503) is installed in the limiting shell (1501) and is connected with the limiting rod (1502), and the resetting mechanism (1503) is used for enabling the limiting rod (1502) to slide in the limiting shell (1501) so that one end of the limiting rod (1502) penetrates through the limiting shell (1501) to be located outside the limiting shell.

7. The single-phase power grid ground protection device according to claim 6, wherein the reset mechanism (1503) comprises:

a shell (15031) fixedly arranged in the limit shell (1501), wherein a reset rod (15032) fixedly connected with the limit rod (1502) movably penetrates through the shell (15031);

and the second spring (15033) is sleeved outside the shell (15031), and two ends of the second spring (15033) are respectively abutted to the limiting shell (1501) and the limiting rod (1502).

8. The single-phase grounding protection device of the power grid as claimed in claim 2, wherein a gasket (16) is mounted on the limiting shell (1201), and when the limiting shell (1201) is sleeved outside the terminal (3), the gasket (16) is abutted against the terminal (3).

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