CN217064218U

CN217064218U - Sliding type anti-falling power supply device

Info

Publication number: CN217064218U
Application number: CN202220360859.3U
Authority: CN
Inventors: 李雁梅; 胡芬; 谭威明; 高海明
Original assignee: Guangdong Huijie Electric Power Group Co Ltd; Guangdong Huijie Digital Research Institute
Current assignee: Guangdong Huijie Electric Power Group Co Ltd; Guangdong Huijie Digital Research Institute
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-07-26
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a power supply unit is prevented down to sliding, include: the cable protection device comprises a first protection shell, a second protection shell and a cable, wherein a clamping through hole is formed in the first protection shell in a hollow manner, the axis of the clamping through hole extends along the front-back direction and can fix a cable, a sliding groove is formed in the peripheral wall surface of the first protection shell and comprises a first sliding groove and a second sliding groove, two ends of the second sliding groove extend along the front-back direction, and the lower end of the first sliding groove extends along the circumferential direction of the first protection shell and is communicated with one end of the second sliding groove; the second protective shell is internally hollow and provided with a through hole, the axis of the through hole extends along the front and the back, a sliding block is arranged on the inner wall surface of the through hole, the second protective shell is sleeved on the first protective shell, and the sliding block is in adaptive connection with the sliding groove. The utility model is simple in operation, can strengthen the connectivity between second protective housing and the first protective housing, avoid second protective housing to slide because of receiving external unnecessary influence easily.

Description

Sliding type anti-falling power supply device

Technical Field

The utility model relates to an electrical equipment technical field, in particular to power supply unit is prevented down to sliding.

Background

In the power grid maintenance work, a maintenance person firstly needs to close a power supply system in an area where a maintenance line is located, and then the maintenance person carries out high-altitude maintenance operation. In order to ensure the personal safety of the maintainers, before the high-altitude maintenance work is carried out, the anti-falling power supply treatment needs to be completed, and the grounding wire is arranged at the bare wire part of the cable. In order to avoid accidents such as fire and electric shock caused by long-term exposure of the bare wire part of the cable, the maintenance personnel usually adopt the anti-falling power supply device to protect the bare wire part on the cable, and when the anti-falling power supply is carried out, the anti-falling power supply device is opened to expose the bare wire part of the cable.

However, prevent down power supply unit on the present market is including split type middle protective housing and split type outer end protective housing basically, wherein, split the shell and constitute in the middle of split type mainly by two, the one end of splitting the shell in the middle of two is articulated, the other end then adopts the overlap joint to carry out the buckle connection, therefore, when opening or closing split type middle protective housing, the maintainer need apply great effort, in order to open or close the overlap joint, the operation is comparatively troublesome, waste time and energy, be unfavorable for improving maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power supply unit is prevented down to sliding to solve one or more technical problem that exist among the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model discloses a power supply unit is prevented down to sliding, include: the cable protection device comprises a first protection shell, a second protection shell and a cable, wherein a clamping through hole for fixing a cable is formed in the first protection shell in a hollow mode, the axis of the clamping through hole extends in the front-back direction, a sliding groove is formed in the peripheral wall surface of the first protection shell and comprises a first sliding groove and a second sliding groove, two ends of the second sliding groove extend in the front-back direction, the lower end of the first sliding groove extends in the circumferential direction of the first protection shell and is connected and communicated with one end of the second sliding groove; the second protection shell is hollow, a through hole is formed in the second protection shell, the axis of the through hole extends in the front-back direction, a sliding block is arranged on the inner wall face of the through hole, the second protection shell is sleeved on the first protection shell, and the sliding block is connected with the sliding groove in an adaptive mode.

The utility model discloses following beneficial effect has at least: first protective housing can fix on the cable through its centre gripping through-hole, and the through-hole that second protective housing set up can make second protective housing wrap up the cable, plays certain guard action, and in addition, second protective housing cover is established on first protective housing, and consequently, second protective housing can move along the fore-and-aft direction relatively first protective housing to make the bare wire position on the cable exposed or sheltered from, so that the maintainer carries out the earth connection to the bare wire position on the cable.

Moreover, the peripheral wall surface of the first protective shell is provided with a sliding chute, the sliding chute comprises a first sliding chute and a second sliding chute, two ends of the second sliding chute extend along the front and back direction, the lower end of the first sliding chute extends along the circumferential direction of the first protective shell and is connected with one end of the second sliding chute, the inner wall surface of the second protective shell is provided with a sliding block, the sliding block is in fit connection with the sliding chute, therefore, the maintainer needs to rotate the second protective shell by a certain angle to move the sliding block to the joint of the first sliding chute and the second sliding chute along the first sliding chute, then the second protective shell is driven to slide relative to the first protective shell, so that the slide block moves to the other end of the second sliding chute along the second sliding chute to expose the bare wire part of the cable, the design is simple, the connectivity between the second protective shell and the first protective shell can be enhanced, and the second protective shell is prevented from easily sliding relative to the first protective shell due to unnecessary influence from the outside; in addition, the slider can be located the lower extreme of first spout all the time because of the action of gravity of second protective housing, consequently, even the second protective housing receives the external force of fore-and-aft direction also can't slide relative to first protective housing.

As a further improvement of the above technical solution, the sliding grooves are provided in plurality around the circumference of the axis of the first protective housing. The spout sets up a plurality ofly, and arranges along first protective housing circumference interval, can strengthen the joint strength between second protective housing and the first protective housing.

As a further improvement of the technical scheme, the sliding block is hemispherical and is integrally formed with the second protective shell. The slider adopts hemispherical design, can save material, and slider and second protective housing adopt integrated into one piece technology to make moreover, can strengthen the connectivity between slider and the second protective housing.

As a further improvement of the above technical solution, the second protective housing is provided with a sealing ring, and the sealing ring is arranged in the through hole and located at one end of the second protective housing far away from the first protective housing. The sealing ring is arranged at one end, far away from the first protective shell, of the second protective shell, the sealing ring can wrap the cable, a good sealing and waterproof effect is achieved, and the bare wire part of the cable is prevented from being in direct contact with water.

As a further improvement of the above technical solution, the second protective housing includes a first sub-housing and a second sub-housing, one end of the first sub-housing is hinged to one end of the second sub-housing, the outer wall surface of the first sub-housing is provided with a hook, the outer wall surface of the second sub-housing is provided with a clamping block, the hook is connected to the clamping block in a snap-fit manner, the sealing ring includes a first arc-shaped block and a second arc-shaped block, the first arc-shaped block is disposed on the inner wall surface of the first sub-housing, and the second arc-shaped block is disposed on the inner wall surface of the second sub-housing.

The second protective shell mainly comprises a first sub-shell and a second sub-shell, one end of the first sub-shell is hinged with one end of the second sub-shell through a hinge shaft, so that the first sub-shell and the second sub-shell rotate around the hinge shaft to be folded, the first sub-shell is provided with a clamping hook, the second sub-shell is provided with a clamping block, the first sub-shell and the second sub-shell are connected with the clamping block through the clamping hook in a buckling mode after being folded, the first sub-shell and the second sub-shell are enabled to form a second protective shell, and cables are wrapped in the second sub-shell; in addition, the sealing ring comprises a first arc-shaped block and a second arc-shaped block, the first arc-shaped block is arranged on the first sub-shell, the second arc-shaped block is arranged on the second sub-shell, and the first arc-shaped block and the second arc-shaped block are folded along with the folding of the first sub-shell and the second sub-shell to form the sealing ring and play a good sealing role.

As a further improvement of the above technical solution, the two sliding grooves are respectively located on the top surface and the bottom surface of the first protective housing. The top surface and the bottom surface of the first protective shell are provided with the sliding grooves, so that the first sliding grooves and the second sliding grooves are connected in a seamless mode, and the second protective shell can move smoothly relative to the first protective shell.

As a further improvement of the technical scheme, the sealing ring is a silica gel ring. The silica gel circle has excellent weatherability, better electrical insulation performance and better moisture absorption performance, can play the sealed effect of preferred, and life is longer moreover.

As a further improvement of the above technical solution, a pull ring is provided at the bottom of the second protective housing. The pull ring is arranged at the bottom of the second protective shell, so that a maintainer can conveniently hold the pull ring to apply force to the second protective shell, the second protective shell moves relative to the first protective shell, and the pull ring can increase the weight of the bottom of the second protective shell, so that the second protective shell cannot easily rotate.

Drawings

The invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a perspective view of a sliding type anti-falling power supply device provided in an embodiment of the present invention;

fig. 2 is an exploded perspective view of the sliding type anti-falling power supply device provided in the embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a sliding type anti-falling power supply device provided in an embodiment of the present invention on an XZ plane.

The drawings are numbered as follows: 100. a first protective housing; 110. a first chute; 120. a second chute; 200. a second protective housing; 210. a first sub-housing; 220. a second sub-housing; 230. a pull ring; 240. a slider; 250. a hook; 260. a clamping block; 300. and (5) sealing rings.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality of" are used, the meaning is one or more, the meaning of a plurality is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If any description of first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

It should be noted that, in the drawing, the X direction is from the rear side of the sliding type anti-falling power supply device to the front side; the Y direction is from the left side of the sliding type anti-falling power supply device to the right side; the Z direction is from the lower side of the sliding type anti-falling power supply device to the upper side.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, several embodiments of the sliding type anti-falling power supply device of the present invention are described below.

As shown in fig. 1 to fig. 3, an embodiment of the present invention provides a slip type anti-falling power supply device, including: a first shield case 100 and a second shield case 200.

A clamping through hole for fixing the cable is formed in the first protective housing 100, and an axis of the clamping through hole extends in the front-rear direction. In this embodiment, the first protective housing 100 is cylindrical, the first protective housing 100 is composed of an upper shell and a lower shell, the bottom surface of the upper shell is provided with an insertion post, the upper surface of the lower shell is provided with a insertion hole, when the first protective housing 100 is installed on a cable, the upper shell and the lower shell are folded and connected with the insertion hole in an interference fit manner through the insertion post, so that the upper shell and the lower shell clamp the cable, and finally the first protective housing 100 is fixed with the cable. In other embodiments, the hook part can be used for replacing the plug column, the clamping hole can be used for replacing the jack, and the upper shell and the lower shell can be connected in a buckling connection mode.

Moreover, the peripheral wall surface of the first protective housing 100 is provided with a sliding groove, the sliding groove includes a first sliding groove 110 and a second sliding groove 120, two ends of the second sliding groove 120 extend along the front-rear direction, a lower end of the first sliding groove 110 extends along the circumferential direction of the first protective housing 100, that is, seen along the axial direction of the first protective housing 100, the first sliding groove 110 is designed in an arc shape, and an upper end of the first sliding groove 110 is connected and communicated with one end of the second sliding groove 120. In the present embodiment, the front end of the second sliding chute 120 is connected to the upper end of the first sliding chute 110, and the lower end of the first sliding chute 110 is located at the right side of the first protective housing 100. In other embodiments, the lower end of the first chute 110 may be located at the left side of the first protective case 100.

In other embodiments, the sliding groove is provided in a plurality, such as two or three, around the circumference of the axis of first protective housing 100.

In this embodiment, two sliding grooves are disposed on the top surface and the bottom surface of the first protective casing 100, so as to avoid the joint between the upper shell and the lower shell of the first protective casing 100, and to facilitate the seamless connection between the first sliding groove 110 and the second sliding groove 120.

In this embodiment, the second protective casing 200 includes a first sub-casing 210 and a second sub-casing 220, and one end of the first sub-casing 210 and one end of the second sub-casing 220 are hinged by a hinge shaft, so that the first sub-casing 210 and the second sub-casing 220 can both rotate around the hinge shaft, and the first sub-casing 210 and the second sub-casing 220 can be folded to wrap the cable. The outer wall of the first sub-housing 210 is provided with a hook 250, the outer wall of the second sub-housing 220 is provided with a latch 260, and the hook 250 is connected with the latch 260 in a snap-fit manner, so that the first sub-housing 210 and the second sub-housing 220 are tightly connected without being separated.

Moreover, the inner wall surface of the through hole is provided with a slider 240, and in the present embodiment, the slider 240 has a hemispherical shape and is integrally formed with the second protective housing 200. In other embodiments, the slider 240 may be a block, a cylinder, or the like. The second protective housing 200 is sleeved on the first protective housing 100, and the sliding block 240 is connected with the sliding groove in an adaptive manner. When the sliding block 240 is designed to have a hemispherical shape, the cross-sectional shapes of the first sliding groove 110 and the second sliding groove 120 are semicircular.

In other embodiments, the first protective shell 100 is disposed on both the front side and the rear side of the second protective shell 200, and the front end and the rear end of the second protective shell 200 are respectively sleeved on the two first protective shells 100. The sliding block 240 of the second protective housing 200 is connected to the sliding slot of one of the first protective housings 100 in an adaptive manner, and the other first protective housing 100 is not provided with the sliding slot.

The maintainer needs to rotate the second protective housing 200 by a certain angle, for example, 30 °, so that the sliding block 240 moves upward along the first sliding groove 110 to the joint of the first sliding groove 110 and the second sliding groove 120, and then drives the second protective housing 200 to slide backward relative to the first protective housing 100, so that the sliding block 240 moves along the second sliding groove 120 to the rear end of the second sliding groove 120, so as to expose the bare portion of the cable, thereby facilitating the maintainer to perform grounding.

After the maintenance is completed, the maintenance worker drives the second protective housing 200 to move forward relative to the first protective housing 100, and after the sliding block 240 moves to the joint of the first sliding groove 110 and the second sliding groove 120, the second protective housing 200 is driven to rotate in the opposite direction, so that the sliding block 240 moves down to the lower end of the first sliding groove 110 along the first sliding groove 110. At this time, even if a force is applied to the second shield case 200, the second shield case 200 does not slip with respect to the first shield case 100.

The utility model discloses a structural design so ingenious, not only easy operation, but also can strengthen the connectivity between second protective housing 200 and the first protective housing 100, prevent second protective housing 200 and first protective housing 100 phase separation when the motion to, avoid second protective housing 200 because of receiving external unnecessary influence if non professional carries out the effort along the fore-and-aft direction to second protective housing 200, and take place first protective housing 100 to slide relatively easily.

In addition, the sliding block 240 is always located at the lower end of the first sliding groove 110 due to the gravity of the second protective housing 200, so that the second protective housing 200 cannot slide relative to the first protective housing 100 even if being subjected to a front-rear direction external force, thereby preventing the bare wire portion of the cable from being exposed under a non-inspection condition.

In some embodiments, the bottom of second protective housing 200 is provided with a pull ring 230. In the present embodiment, the pull ring 230 is integrally formed with the second shield shell 200. The arrangement of the pull ring 230 facilitates the maintenance personnel to hold the pull ring 230 to apply force to the second protective housing 200, so as to facilitate the movement of the second protective housing 200 relative to the first protective housing 100, and moreover, the pull ring 230 can increase the weight of the bottom of the second protective housing 200, so as to facilitate the rotation of the second protective housing 200 without easy occurrence.

In addition, the maintainer can operate the sliding type anti-falling power supply device on the ground, and the pull ring 230 is forced by the rod body, so that the pull ring 230 drives the second protective shell 200 to rotate firstly and then slide, and the bare wire part of the cable is exposed.

In some embodiments, the second shield shell 200 is provided with a sealing ring 300, and the sealing ring 300 is disposed in the through hole and located at an end of the second shield shell 200 far away from the first shield shell 100. In this embodiment, the seal ring 300 is located at the front end of the second protective housing 200. The sealing ring 300 may be a rubber ring, a silica gel ring, or the like. The sealing ring 300 can wrap the cable well, has a good sealing and waterproof effect, and avoids direct contact between a bare wire part of the cable and water.

The sealing ring 300 includes a first arc block and a second arc block, the first arc block is disposed on the inner wall surface of the first sub-housing 210, the second arc block is disposed on the inner wall surface of the second sub-housing 220, and the first arc block and the second arc block can be fixed on the second protective housing 200 through a glue bonding manner. In this embodiment, the first sub-housing 210 and the second sub-housing 220 are both provided with a slot, so that the first arc-shaped block can be clamped in the slot of the first sub-housing 210, and the second arc-shaped block can be clamped in the slot of the second sub-housing 220. When the first sub-housing 210 and the second sub-housing 220 are folded, the first arc-shaped block and the second arc-shaped block are folded to form the sealing ring 300, so that a better sealing effect is achieved.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a power supply unit is prevented down to sliding, its characterized in that includes:

the cable protection device comprises a first protection shell (100), wherein a clamping through hole for fixing a cable is formed in the first protection shell in a hollow mode, the axis of the clamping through hole extends in the front-back direction, sliding grooves are formed in the peripheral wall surface of the first protection shell (100), each sliding groove comprises a first sliding groove (110) and a second sliding groove (120), two ends of each second sliding groove (120) extend in the front-back direction, the lower end of each first sliding groove (110) extends in the circumferential direction of the first protection shell (100) and is connected and communicated with one end of each second sliding groove (120);

the second protective shell (200) is hollow, a through hole is formed in the second protective shell, the axis of the through hole extends in the front-back direction, a sliding block (240) is arranged on the inner wall face of the through hole, the second protective shell (200) is sleeved on the first protective shell (100), and the sliding block (240) is in adaptive connection with the sliding groove.

2. The slip type power supply apparatus of claim 1, wherein the sliding groove is provided in plurality around an axial circumference of the first shield case (100).

3. The sliding type power supply apparatus of claim 1, wherein the slider (240) is hemispherical and is integrally formed with the second protective housing (200).

4. The sliding type anti-reverse power supply device according to claim 1, wherein the second protective casing (200) is provided with a sealing ring (300), and the sealing ring (300) is disposed in the through hole and located at an end of the second protective casing (200) far away from the first protective casing (100).

5. The sliding type anti-falling power supply device according to claim 4, wherein the second protective housing (200) comprises a first sub-housing (210) and a second sub-housing (220), one end of the first sub-housing (210) is hinged to one end of the second sub-housing (220), a hook (250) is arranged on an outer wall surface of the first sub-housing (210), a latch (260) is arranged on an outer wall surface of the second sub-housing (220), the hook (250) is connected with the latch (260) in a snap-fit manner, the seal ring (300) comprises a first arc-shaped block and a second arc-shaped block, the first arc-shaped block is arranged on an inner wall surface of the first sub-housing (210), and the second arc-shaped block is arranged on an inner wall surface of the second sub-housing (220).

6. The sliding type anti-reverse power supply device according to claim 5, wherein the sliding slots are provided with two and respectively located on the top surface and the bottom surface of the first protection shell (100).

7. The sliding type anti-reverse power supply device according to claim 5, wherein the sealing ring (300) is a silicone ring.

8. The sliding type anti-reverse power supply device according to any one of claims 1 to 7, wherein a pull ring (230) is provided at a bottom of the second shield case (200).