CN212908996U - Small arc light protection device for low voltage - Google Patents

Abstract

The utility model provides a small-size arc light protection device for low pressure belongs to arc light protection technical field. The small arc protection device for low voltage includes a mounting mechanism and a fixing mechanism. The arc light protection device comprises a support and a convex edge, wherein a groove is formed in one side of the support, the convex edge is connected to the inner wall of the groove, a clamping groove is formed in one side of the convex edge, and the fixing mechanism comprises an arc light protection device body, a driving assembly, a guiding assembly and a clamping assembly. The utility model discloses an arc light protection device body, support, recess, commentaries on classics handle, bull stick, first conical gear, second conical gear, threaded rod, thread bush, supporting shoe, fixture block and draw-in groove's effect to reached the purpose of being convenient for install, improved current arc light protection device and be not convenient for install, need workman's use tool to install, the installation effectiveness is low, wastes time and energy, can't satisfy the problem of user demand.

Description

Small arc light protection device for low voltage

Technical Field

The utility model relates to an arc light protection field particularly, relates to a small-size arc light protection device for low pressure.

Background

Arc protection means that an electric power system can cause arc light due to various short circuit reasons, the arc light can explode at the speed of 300m/s, destroy any substance in the way, as long as the system is not powered off, the arc light can exist all the time, in order to reduce the harm of the arc light to the maximum extent, we need to cut off the arc light safely and rapidly, so when the arc light fault happens, the protection operating personnel are not hurt, and the property loss degree can be reduced, arc light protection for short, at present, an arc light protection device can monitor the arc fault which possibly appears on the high-voltage side and the low-voltage side in real time, the problem of the safety of the arc light of a box-type substation is solved, but the existing arc light protection device is inconvenient to install, a worker is required to use tools to install, the installation efficiency is low, time and.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a small-size arc light protection device for low pressure aims at improving the problem of the installation of not being convenient for.

The utility model discloses a realize like this:

the utility model provides a small-size arc light protection device for low pressure, including installation mechanism and fixed establishment.

The installation mechanism comprises a support and a convex edge, one side of the support is provided with a groove, the convex edge is connected to the inner wall of the groove, one side of the convex edge is provided with a clamping groove, the fixing mechanism comprises an arc light protection device body, a driving assembly, a guiding assembly and a clamping assembly, the driving assembly comprises a rotating handle, a rotating rod, a first conical gear and a second conical gear, the guiding assembly comprises a threaded rod, the clamping assembly comprises a threaded sleeve, a supporting block and a clamping block, the arc light protection device body is positioned in the groove, the inner surface of the arc light protection device body is provided with a first through hole and a second through hole, the rotating rod is arranged in the first through hole, the rotating handle is installed at one end of the rotating rod, the first conical gear is connected to the other end of the rotating rod, and the second conical gear is meshed with the first, the threaded rod is fixedly penetrated through the second conical gear, threads of the threaded rod penetrate through the threaded sleeve, the threaded sleeve is formed by two threaded sleeves which are symmetrically distributed relative to the first conical gear, the supporting block is installed on one side of the threaded sleeve, the clamping block is connected to one side of the supporting block, the clamping block can be inserted into the clamping groove, and the threaded sleeve and the supporting block can move in the second through hole.

In the embodiment of the present invention, the second through hole and the first through hole are mutually connected, and the axial line of the second through hole and the axial line of the first through hole are mutually vertically distributed.

In an embodiment of the utility model, the shape of the fixture block is a cone, and the shape of the clamping groove is a cone.

The utility model discloses a small-size arc light protection device embodiment for low pressure, threaded hole is seted up to the threaded bush inner surface, the screw hole with threaded rod threaded connection.

In an embodiment of the utility model, the installation mechanism further comprises a spring, a support and a cushion pad, the two ends of the spring are respectively connected to the support one side and the inner wall of the groove, the cushion pad is installed on the support opposite side, the arc light protection device body is located on the cushion pad.

In an embodiment of the present invention, the support is movable in the recess.

In the embodiment of the utility model, the second through hole has a sliding groove, and the two sides of the thread sleeve are fixedly connected with sliding blocks.

In an embodiment of the present invention, the sliding block is slidably connected to the sliding groove, and the sliding groove is located at two ends of the second through hole.

In an embodiment of the present invention, the first bearing is sleeved on the outer surface of the rotating rod, and the outer surface of the first bearing is connected to the inner wall of the first through hole.

In an embodiment of the utility model, the guide assembly further comprises a bushing frame and a second bearing, the bushing frame is installed in the second through hole inner wall, the second bearing connect in the bushing frame inner wall, the second bearing install in the threaded rod surface.

The utility model has the advantages that: the utility model discloses a small-size arc light protection device for low pressure that obtains through above-mentioned design, when using, only need insert the arc light protection device body in the recess of support, press the arc light protection device body downwards simultaneously, make the arc light protection device body and blotter contact, drive the support through the spring and move downwards, only need at this moment to rotate the twist grip, the twist grip can drive the bull stick and rotate, the bull stick can drive first conical gear and rotate, first conical gear can drive second conical gear and rotate, second conical gear can drive the threaded rod and rotate, the screw hole screw thread opposite direction in two thread covers, thus the threaded rod can drive two thread covers through the screw hole and move in opposite directions, when the threaded rod drives two thread covers and moves outwards simultaneously, the thread cover can drive two supporting shoes and move outwards, the supporting shoe can drive two fixture blocks and move outwards, two fixture blocks can move to under two draw-in grooves, loosen the arc light protection device body, the elasticity of spring can drive arc light protection device body rebound through support and cushion, this can drive the fixture block rebound of arc light protection device, the fixture block can inject in the draw-in groove, make arc light protection device body can not break away from out from the recess, the arc light protection device body is fixed on the support, thereby reached the purpose of being convenient for install, the installation of current arc light protection device not being convenient for has been improved, need workman's use tool to install, the installation effectiveness is low, waste time and energy, can't satisfy the problem of user demand.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a small arc protection device for low voltage according to an embodiment of the present invention;

FIG. 2 is a schematic view of a mounting mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a guide assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a clamping assembly according to an embodiment of the present invention.

In the figure: 10-a mounting mechanism; 110-a support; 120-a spring; 130-a scaffold; 140-a cushion; 150-ribs; 160-card slot; 170-groove; 20-a securing mechanism; 210-arc light protection device body; 220-a drive assembly; 221-rotating handle; 222-a rotating rod; 223-a first conical gear; 224-a second conical gear; 225-a first bearing; 230-a guide assembly; 231-a threaded rod; 232-shaft sleeve frame; 233-a second bearing; 240-a snap-fit assembly; 241-thread sleeve; 242-a support block; 243-fixture block; 244-a slider; 245-a threaded hole; 250-a first via; 260-a second via; 270-chute.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a small arc protection device for low voltage, which includes a mounting mechanism 10 and a fixing mechanism 20.

Wherein the bottom of the securing mechanism 20 is located inside the mounting mechanism 10, and the mounting mechanism 10 catches the securing mechanism 20 to secure the securing mechanism 20 to the mounting mechanism 10.

Referring to fig. 1 and 2, the mounting mechanism 10 includes a support 110 and a rib 150, wherein a groove 170 is formed on one side of the support 110, the rib 150 is connected to an inner wall of the groove 170, specifically, the rib 150 is fixedly connected to an inner wall of the groove 170 by welding, a groove 160 is formed on one side of the rib 150, the rib 150 is used for cooperating with a supporting block 242 to lock the supporting block 242, so that the arc light protection device body 210 is fixed in the groove 170, and the groove 160 is used for placing a block 243 to stably lock the supporting block 242 on the rib 150, so as to prevent the arc light protection device body 210.

In some specific embodiments, the mounting mechanism 10 further includes a spring 120, a bracket 130, and a buffer pad 140, two ends of the spring 120 are respectively connected to one side of the bracket 130 and an inner wall of the groove 170, specifically, two ends of the spring 120 are respectively connected to one side of the bracket 130 and an inner wall of the groove 170 by welding, the buffer pad 140 is mounted on the other side of the bracket 130, specifically, the buffer pad 140 is fixedly mounted on the other side of the bracket 130 by gluing, the buffer pad 140 is a butyl rubber pad, the arc protection device body 210 is located on the buffer pad 140, the bracket 130 is capable of moving in the groove 170, the spring 120 and the bracket 130 are configured to drive the arc protection device body 210 to move upward, so that the fixture block 243 is inserted into the slot 160, and the buffer pad 140 is configured to reduce.

Referring to fig. 1, 2, 3, 4, 5, and 6, the fixing mechanism 20 includes an arc protection device body 210, a driving assembly 220, a guiding assembly 230, and a clamping assembly 240, the driving assembly 220 includes a rotating handle 221, a rotating rod 222, a first bevel gear 223 and a second bevel gear 224, the guiding assembly 230 includes a threaded rod 231, the clamping assembly 240 includes a threaded sleeve 241, a supporting block 242, and a clamping block 243, the arc protection device body 210 is located in the recess 170, a first through hole 250 and a second through hole 260 are formed on an inner surface of the arc protection device body 210, the rotating rod 222 is disposed inside the first through hole 250, the rotating handle 221 is mounted at one end of the rotating rod 222, specifically, the rotating handle 221 is mounted at one end of the rotating rod 222 by welding, the first bevel gear 223 is connected at the other end of the rotating rod 222, specifically, the first bevel gear 223 is fixedly connected at the other end of the rotating rod 222 by welding, the second bevel gear 224 is engaged with the, the threaded rod 231 fixedly penetrates through the second conical gear 224, the threaded rod 231 is threadedly penetrated through the threaded sleeve 241, the threaded sleeve 241 is provided with two parts which are symmetrically distributed about the first conical gear 223, the supporting block 242 is mounted on one side of the threaded sleeve 241, specifically, the supporting block 242 is fixedly mounted on one side of the threaded sleeve 241 by welding, the clamping block 243 is connected on one side of the supporting block 242, specifically, the clamping block 243 is fixedly connected on one side of the supporting block 242 by welding, the clamping block 243 can be inserted into the clamping groove 160, the threaded sleeve 241 and the supporting block 242 can move in the second through hole 260, the rotating rod 222, the first conical gear 223, the second conical gear 224 and the threaded rod 231 drive the threaded sleeve 241 to simultaneously move inwards or outwards by rotating the rotating handle 221, when the threaded sleeve 241 simultaneously moves inwards, the threaded sleeve 241 can drive the supporting block 242 and the clamping block 243 to move inwards, and the supporting blocks 242 and 243 can retract into, the arc protection device body 210 can be removed from the support 110, when the threaded sleeve 241 moves outwards at the same time, the threaded sleeve 241 drives the supporting block 242 and the clamping block 243 to move outwards, the supporting block 242 is blocked by the rib 150, and the arc protection device body 210 is fixedly mounted on the support 110.

In some embodiments, the cartridge 243 has a conical shape, and the slot 160 has a conical shape, so that the cartridge 243 can be easily inserted into the slot 160.

Referring to fig. 3, 4, 5, and 6, the second through hole 260 and the first through hole 250 are communicated with each other, an axial line of the second through hole 260 and an axial line of the first through hole 250 are vertically distributed, a threaded hole 245 is formed in an inner surface of the threaded sleeve 241, the threaded hole 245 is in threaded connection with the threaded rod 231, a sliding groove 270 is formed in an inner wall of the second through hole 260, sliding blocks 244 are fixedly connected to two sides of the threaded sleeve 241, specifically, the sliding blocks 244 are fixedly connected to two sides of the threaded sleeve 241 by welding, the sliding blocks 244 are slidably connected to the sliding groove 270, the sliding grooves 270 are located at two ends of the second through hole 260, a first bearing 225 is sleeved on an outer surface of the rotating rod 222, specifically, the rotating rod 222 is in interference fit with the first bearing 225, an outer surface of the first bearing 225 is connected to an inner wall of the first through hole 250, specifically, an outer surface of the first bearing 225, shaft sleeve frame 232 is installed in second through-hole 260 inner wall, it is concrete, shaft sleeve frame 232 passes through welded fastening and installs in second through-hole 260 inner wall, second bearing 233 connects in shaft sleeve frame 232 inner wall, it is concrete, second bearing 233 passes through welded fastening and connects in shaft sleeve frame 232 inner wall, second bearing 233 installs in threaded rod 231 surface, it is concrete, second bearing 233 and threaded rod 231 interference fit, first bearing 225 is used for making the stability that changes pole 222 keeps change pole 222 when changeing pole 222 pivoted, second bearing 233 is used for making the stability that keeps threaded rod 231 when threaded rod 231 pivoted.

The working principle of the small arc protection device for low voltage is as follows: when the arc light protection device is used, the arc light protection device body 210 is only inserted into the groove 170 of the support 110, and the arc light protection device body 210 is pressed downwards at the same time, so that the arc light protection device body 210 contacts with the cushion pad 140, the bracket 130 is driven to move downwards through the spring 120, at this time, only the rotating handle 221 needs to be rotated, the rotating handle 221 drives the rotating rod 222 to rotate, the rotating rod 222 drives the first conical gear 223 to rotate, the first conical gear 223 drives the second conical gear 224 to rotate, the second conical gear 224 drives the threaded rod 231 to rotate, the thread directions of the threaded holes 245 in the two threaded sleeves 241 are opposite, so that the threaded rod 231 drives the two threaded sleeves 241 to move towards each other through the threaded holes 245, when the threaded rod 231 drives the two threaded sleeves 241 to move outwards at the same time, the threaded sleeves 241 drive the two supporting blocks 242 to move outwards, the two clamping blocks 243 to move towards the right below the two clamping grooves 160, loosen arc light protection device body 210, the elasticity of spring 120 can drive arc light protection device body 210 rebound through support 130 and buffer pad 140, arc light protection device body 210 can drive fixture block 243 rebound, fixture block 243 can inject in draw-in groove 160, make arc light protection device body 210 break away from recess 170, arc light protection device body 210 fixes on support 110, thereby reached the purpose of being convenient for install, it is not convenient for install to have improved current arc light protection device, it installs to need workman's use tools, the installation effectiveness is low, waste time and energy, can't satisfy user demand's problem.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A miniature arc protection device for low voltage comprises

The mounting mechanism (10) comprises a support (110) and a rib (150), wherein a groove (170) is formed in one side of the support (110), the rib (150) is connected to the inner wall of the groove (170), and a clamping groove (160) is formed in one side of the rib (150);

the fixing mechanism (20), the fixing mechanism (20) comprises an arc protection device body (210), a driving component (220), a guiding component (230) and a clamping component (240), the driving component (220) comprises a rotating handle (221), a rotating rod (222), a first conical gear (223) and a second conical gear (224), the guiding component (230) comprises a threaded rod (231), the clamping component (240) comprises a threaded sleeve (241), a supporting block (242) and a clamping block (243), the arc protection device body (210) is located in the groove (170), a first through hole (250) and a second through hole (260) are formed in the inner surface of the arc protection device body (210), the rotating rod (222) is arranged in the first through hole (250), the rotating handle (221) is installed at one end of the rotating rod (222), and the first conical gear (223) is connected to the other end of the rotating rod (222), the second conical gear (224) is connected to the first conical gear (223) in a meshed manner, the threaded rod (231) is fixedly penetrated through the second conical gear (224), the threaded rod (231) is penetrated through the threaded sleeve (241) in a threaded manner, the threaded sleeve (241) is arranged in two symmetrical distribution relative to the first conical gear (223), the supporting block (242) is installed on one side of the threaded sleeve (241), the clamping block (243) is connected to one side of the supporting block (242), the clamping block (243) can be inserted into the clamping groove (160), and the threaded sleeve (241) and the supporting block (242) can move in the second through hole (260).

2. The compact arc protection device for low pressure according to claim 1, wherein the second through hole (260) and the first through hole (250) are communicated with each other, and an axial line of the second through hole (260) and an axial line of the first through hole (250) are vertically distributed.

3. The compact arc protection device for low pressure as claimed in claim 1, wherein the cartridge (243) is conical in shape and the slot (160) is conical in shape.

4. A compact arc protection device for low pressure according to claim 1, wherein the threaded sleeve (241) has a threaded hole (245) formed in its inner surface, and the threaded hole (245) is threadedly connected to the threaded rod (231).

5. A compact arc protection device for low pressure as claimed in claim 1, wherein the mounting mechanism (10) further comprises a spring (120), a bracket (130) and a buffer pad (140), the two ends of the spring (120) are respectively connected to one side of the bracket (130) and the inner wall of the recess (170), the buffer pad (140) is mounted on the other side of the bracket (130), and the arc protection device body (210) is located on the buffer pad (140).

6. A compact arc protection device for low pressure according to claim 5, wherein the holder (130) is movable within the recess (170).

7. The small arc protection device for low pressure as claimed in claim 1, wherein the second through hole (260) has a sliding groove (270) formed on its inner wall, and sliders (244) are fixedly connected to both sides of the threaded sleeve (241).

8. The compact arc protection device for low pressure of claim 7, wherein the slider (244) is slidably connected to the sliding groove (270), and the sliding groove (270) is located at two ends of the second through hole (260).

9. A compact arc protection device for low pressure according to claim 1, wherein the outer surface of the rotating rod (222) is sleeved with a first bearing (225), and the outer surface of the first bearing (225) is connected to the inner wall of the first through hole (250).

10. The compact arc protection device for low pressure of claim 1, wherein the guide assembly (230) further comprises a bushing holder (232) and a second bearing (233), the bushing holder (232) is mounted on the inner wall of the second through hole (260), the second bearing (233) is connected to the inner wall of the bushing holder (232), and the second bearing (233) is mounted on the outer surface of the threaded rod (231).

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