Safety protection device for electrical installation

By designing an insulated high and low stool structure and deployment components that can be accommodated, the existing insulated high and low stools occupy a large space, achieving convenient deployment and storage, and being suitable for safety protection for electrical installation.

CN222466474UActive Publication Date: 2025-02-14SHANDONG CHANGYOU POWER ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421397153.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-02-14
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing insulated high and low stool structure is fixed, and it takes up a large space and is difficult to store and store on a daily basis.

Method used

An insulated high and low stool consisting of a first insulated stool, a second insulated stool and a third insulated stool are designed. The stool is realized by a structure that is sequentially received from the outside to the inside, and combined with the unfolding component, including a guide unit and a locking digital digit, to realize the stool. Convenient expansion and storage.

Benefits of technology

It effectively reduces the daily storage space of insulated high and low stools, and is conveniently expanded to the stepped state, suitable for standing use by people during electrical installation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222466474U_ABST
    Figure CN222466474U_ABST
Patent Text Reader

Abstract

The utility model discloses a safety protection device for electrical installation, which relates to the technical field of insulating stools and comprises an insulating high-low stool and an unfolding assembly, the insulating high-low stool is composed of a first insulating stool, a second insulating stool and a third insulating stool, the heights of the first insulating stool, the second insulating stool and the third insulating stool are gradually reduced, and the first insulating stool, the second insulating stool and the third insulating stool are sequentially sleeved and accommodated from outside to inside; the unfolding assembly comprises a guide unit and a locking unit; the guide unit is used for guiding and limiting the unfolding movement of the second insulating stool and the third insulating stool; and the locking unit is used for locking the unfolding and folding states of the second insulating stool and the third insulating stool. According to the insulating high-low stool, the first insulating stool, the second insulating stool and the third insulating stool which are sequentially sleeved and accommodated from outside to inside are arranged, compared with a traditional fixed step structure, the daily accommodating space of the insulating high-low stool can be effectively reduced, in addition, the second insulating stool and the third insulating stool can be conveniently unfolded to be in a step state, and the functional use of the insulating high-low stool is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of insulating stools, in particular to a safety protection device for electrical installation. Background Art

[0002] The insulating stool is a kind of climbing tool used in the inspection and maintenance of high-voltage equipment in the power industry. It includes single-layer stools, high and low stools, multi-layer stools, etc. During the electrical installation process, installers step on the insulating stool, which not only increases their own height, but also forms insulation against the electric current, thereby forming self-protection.

[0003] Existing insulating high and low stools are usually fixed step-type, occupying a large space and inconvenient for daily storage. Based on this, a safety protection device for electrical installation is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a safety protection device for electrical installation in order to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection device for electrical installation, comprising an insulating high and low stool composed of a first insulating stool, a second insulating stool, and a third insulating stool, wherein the first insulating stool, the second insulating stool, and the third insulating stool are successively reduced in height and are sequentially inserted and stored from the outside to the inside, so as to reduce the daily storage space, and an unfolding component is arranged between the first insulating stool and the second insulating stool, and between the second insulating stool and the third insulating stool, and the unfolding component is used to realize the unfolding operation of the second insulating stool and the third insulating stool;

[0006] The deployment assembly includes a guide unit and a locking unit;

[0007] The guide unit is used to provide guidance and limit for the expansion movement of the second insulating stool and the third insulating stool;

[0008] The locking unit is used to lock the expanded and contracted states of the second insulating stool and the third insulating stool.

[0009] As a further solution of the utility model: the guide unit includes a movable guide rail, a limit slide rod, and a movable roller;

[0010] The movable guide rail is installed on the inner side of the first insulating stool and the second insulating stool, the limiting slide bar is fixed on the inner side of the second insulating stool and the third insulating stool and protrudes to the outer walls of the second insulating stool and the third insulating stool, and the two sides of the limiting slide bar are slidably connected to the inner side of the movable guide rail;

[0011] The movable guide rail cooperates with the limit slide bar to provide guidance for the movement of the second insulating stool and the third insulating stool;

[0012] The movable roller is installed at the bottom of the second insulating stool and the third insulating stool, and is used to provide support for the movement of the second insulating stool and the third insulating stool.

[0013] As a further solution of the utility model: the locking unit includes a first positioning hole, a second positioning hole, a third positioning hole, and a T-shaped latch;

[0014] The first positioning holes are opened on both sides of the bottom of the first insulating stool and close to the opening end of the first insulating stool. The second positioning holes and the third positioning holes are provided in two groups. The two groups of the second positioning holes are opened at both ends of the two sides of the bottom of the second insulating stool, and the two groups of the third positioning holes are opened at both ends of the two sides of the bottom of the third insulating stool.

[0015] When the third insulating stool and the second insulating stool are completely stored inside the first insulating stool, a group of the second positioning holes and the third positioning holes are aligned with the first positioning holes, and a T-shaped pin is inserted into the first positioning hole, the second positioning hole, and the third positioning hole in sequence to realize the storage and fixation of the second insulating stool and the third insulating stool;

[0016] When the third insulating stool and the second insulating stool are fully unfolded, another group of the third positioning holes are aligned with a group of the second positioning holes, and another group of the second positioning holes are aligned with the first positioning holes. Two T-shaped pins are respectively inserted into one group of the second positioning holes and another group of the third positioning holes, and into the first positioning holes and another group of the second positioning holes, to fix the third insulating stool and the second insulating stool in the unfolded state.

[0017] As a further solution of the utility model: a plurality of movable guide rails are arranged along the vertical direction of the first insulating stool and the second insulating stool, and the number and position of the limit sliding rods correspond to the number and position of the movable guide rails one by one;

[0018] One end of the first insulating stool and the second insulating stool is respectively formed with an open groove for the second insulating stool and the third insulating stool to move, and one end of the movable guide rail close to the open groove is in a blocked state.

[0019] As a further solution of the utility model: the bottom level of the movable roller is flush with the bottom level of the first insulating stool;

[0020] A transfer roller is installed on the outer wall of one end of the first insulating stool away from the opening groove.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] By arranging the first insulating stool, the second insulating stool, and the third insulating stool which are sequentially accommodated from the outside to the inside, the daily storage space of the insulating high and low stools can be effectively reduced compared to the traditional fixed step structure. In addition, the second insulating stool and the third insulating stool can be conveniently unfolded to a step state to realize the functional use of the insulating high and low stools. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the storage state of the utility model;

[0024] Figure 2 Another perspective view of the storage state of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the utility model in the unfolded state;

[0026] Figure 4 It is a disassembly schematic diagram of the utility model.

[0027] In the figure: 1. Insulated high and low stools; 101. First insulating stool; 102. Second insulating stool; 103. Third insulating stool; 104. Transfer roller; 2. Unfolding assembly; 201. Moving guide rail; 202. Limiting slide bar; 203. Moving roller; 204. First positioning hole; 205. Second positioning hole; 206. Third positioning hole; 207. T-shaped pin. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figures 1 to 4 In an embodiment of the utility model, a safety protection device for electrical installation includes an insulating high and low stool 1 composed of a first insulating stool 101, a second insulating stool 102, and a third insulating stool 103. The heights of the first insulating stool 101, the second insulating stool 102, and the third insulating stool 103 decrease in this order and are sequentially received from the outside to the inside, so as to reduce the daily storage space. An unfolding component 2 is provided between the first insulating stool 101 and the second insulating stool 102, and between the second insulating stool 102 and the third insulating stool 103. The unfolding component 2 is used to realize the unfolding operation of the second insulating stool 102 and the third insulating stool 103;

[0030] The deployment assembly 2 includes a guide unit and a locking unit;

[0031] The guide unit is used to provide guidance and limit for the expansion movement of the second insulating stool 102 and the third insulating stool 103;

[0032] The locking unit is used to lock the expansion and contraction states of the second insulating stool 102 and the third insulating stool 103;

[0033] The guide unit includes a movable guide rail 201, a limit slide bar 202, and a movable roller 203;

[0034] The movable guide rail 201 is installed on the inner side of the first insulating stool 101 and the second insulating stool 102, the limiting slide bar 202 is fixed on the inner side of the second insulating stool 102 and the third insulating stool 103 and protrudes to both sides of the outer wall of the second insulating stool 102 and the third insulating stool 103, and both sides of the limiting slide bar 202 are slidably connected to the inner side of the movable guide rail 201;

[0035] The movable guide rail 201 cooperates with the limiting slide bar 202 to provide guidance for the movement of the second insulating stool 102 and the third insulating stool 103;

[0036] The moving roller 203 is installed at the bottom of the second insulating stool 102 and the third insulating stool 103 to provide support for the movement of the second insulating stool 102 and the third insulating stool 103;

[0037] The bottom level of the moving roller 203 is flush with the bottom level of the first insulating stool 101;

[0038] A transfer roller 104 is installed on the outer wall of one end of the first insulating stool 101 away from the opening groove.

[0039] In this embodiment: when the insulating high and low stool 1 is stored daily, the first insulating stool 101, the second insulating stool 102, and the third insulating stool 103 are sequentially inserted and stored from the outside to the inside, which can effectively reduce the daily storage space of the insulating high and low stool 1 compared to the traditional fixed step structure;

[0040] When it is needed, the first insulating stool 101 can be moved to an inclined state so that the moving roller 104 is grounded. At this time, the insulating high and low stool 1 can be transferred as a whole, which is simple and convenient to operate;

[0041] After moving to the designated position, the third insulating stool 103 and the second insulating stool 102 only need to be pulled outward in turn to unfold them into a step state, which is convenient for workers to stand and use. The moving rollers 203 can make the unfolding and moving operations of the third insulating stool 103 and the second insulating stool 102 easier.

[0042] Please refer to Figures 1 to 4 , the locking unit includes a first positioning hole 204, a second positioning hole 205, a third positioning hole 206, and a T-shaped latch 207;

[0043] The first positioning holes 204 are provided on both sides of the bottom of the first insulating stool 101 and close to the opening end of the first insulating stool 101. The second positioning holes 205 and the third positioning holes 206 are provided in two groups. The two groups of second positioning holes 205 are provided at both ends of both sides of the bottom of the second insulating stool 102. The two groups of third positioning holes 206 are provided at both ends of both sides of the bottom of the third insulating stool 103.

[0044] When the third insulating stool 103 and the second insulating stool 102 are completely stored inside the first insulating stool 101, a set of second positioning holes 205 and a third positioning hole 206 are aligned with the first positioning hole 204, and a T-shaped pin 207 is inserted into the first positioning hole 204, the second positioning hole 205, and the third positioning hole 206 in sequence to realize the storage and fixation of the second insulating stool 102 and the third insulating stool 103;

[0045] When the third insulating stool 103 and the second insulating stool 102 are fully unfolded, another group of third positioning holes 206 are aligned with a group of second positioning holes 205, and another group of second positioning holes 205 are aligned with the first positioning holes 204. Two T-shaped pins 207 are respectively inserted into one group of second positioning holes 205 and another group of third positioning holes 206 and into the first positioning holes 204 and another group of second positioning holes 205, so as to fix the third insulating stool 103 and the second insulating stool 102 in the unfolded state.

[0046] In this embodiment: when the insulating high and low stools 1 are in the storage state, two T-shaped pins 207 are inserted from both sides of the first insulating stool 101 into the first positioning hole 204, the second positioning hole 205, and the third positioning hole 206 in sequence, so that the three insulating stools are fixed to each other, so that the storage state of the insulating high and low stools 1 remains stable and is easy to transfer;

[0047] When the insulating stool needs to be unfolded, it is only necessary to remove the T-shaped latch 207 and then pull the third insulating stool 103;

[0048] After the unfolding is completed, a T-shaped pin 207 is inserted into the first positioning hole 204 and another second positioning hole 205 on the second insulating stool 102, so that the second insulating stool 102 and the first insulating stool 101 can be fixed;

[0049] By inserting another T-shaped pin 207 into the first second positioning hole 205 and another third positioning hole 206 on the third insulating stool 103, the second insulating stool 102 and the third insulating stool 103 can be fixed, thereby ensuring stability during use.

[0050] Please refer to Figures 1 to 4, a plurality of movable guide rails 201 are arranged along the vertical direction of the first insulating stool 101 and the second insulating stool 102, and the number and position of the limiting slide bars 202 correspond to the number and position of the movable guide rails 201 one by one;

[0051] One end of the first insulating stool 101 and the second insulating stool 102 is respectively formed with an open groove for the second insulating stool 102 and the third insulating stool 103 to move, and one end of the movable guide rail 201 close to the open groove is in a blocked state.

[0052] In this embodiment: through the structural setting of multiple sets of movable guide rails 201 and limit slide bars 202, the movement of the second insulating stool 102 and the third insulating stool 103 is more stable;

[0053] One end of the movable guide rail 201 is in a blocking structure, which is used to limit the movement of the second insulating stool 102 and the third insulating stool 103 to prevent the second insulating stool 102 and the third insulating stool 103 from moving and falling off.

[0054] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A safety protection device for electrical installation, comprising an insulating high and low stool (1) consisting of a first insulating stool (101), a second insulating stool (102), and a third insulating stool (103), characterized in that: The heights of the first insulating stool (101), the second insulating stool (102), and the third insulating stool (103) decrease in this order and are sequentially nested from the outside to the inside, so as to reduce daily storage space; an unfolding assembly (2) is provided between the first insulating stool (101) and the second insulating stool (102), and between the second insulating stool (102) and the third insulating stool (103); the unfolding assembly (2) is used to realize the unfolding operation of the second insulating stool (102) and the third insulating stool (103); The deployment assembly (2) comprises a guide unit and a locking unit; The guide unit is used to provide guidance and position limiting for the unfolding movement of the second insulating stool (102) and the third insulating stool (103); The locking unit is used to perform a locking operation on the expanded and contracted states of the second insulating stool (102) and the third insulating stool (103).

2. A safety protection device for electrical installation according to claim 1, characterized in that: The guide unit comprises a movable guide rail (201), a limit sliding rod (202), and a movable roller (203); The movable guide rail (201) is installed on the inner sides of the first insulating stool (101) and the second insulating stool (102); the limiting slide bar (202) is fixed on the inner sides of the second insulating stool (102) and the third insulating stool (103) and protrudes to both sides of the outer walls of the second insulating stool (102) and the third insulating stool (103); and both sides of the limiting slide bar (202) are slidably connected to the inner side of the movable guide rail (201); The movable guide rail (201) cooperates with the limit slide bar (202) to provide guidance for the movement of the second insulating stool (102) and the third insulating stool (103); The moving roller (203) is installed at the bottom of the second insulating stool (102) and the third insulating stool (103) and is used to provide support for the movement of the second insulating stool (102) and the third insulating stool (103).

3. A safety protection device for electrical installation according to claim 2, characterized in that: The locking unit comprises a first positioning hole (204), a second positioning hole (205), a third positioning hole (206), and a T-shaped latch (207); The first positioning holes (204) are provided on both sides of the bottom of the first insulating stool (101) and close to an open end of the first insulating stool (101); the second positioning holes (205) and the third positioning holes (206) are provided in two groups, the two groups of the second positioning holes (205) are provided at both ends of both sides of the bottom of the second insulating stool (102); and the two groups of the third positioning holes (206) are provided at both ends of both sides of the bottom of the third insulating stool (103); When the third insulating stool (103) and the second insulating stool (102) are completely stored inside the first insulating stool (101), a group of the second positioning holes (205) and the third positioning holes (206) are aligned with the first positioning hole (204), and a T-shaped pin (207) is inserted into the first positioning hole (204), the second positioning hole (205), and the third positioning hole (206) in sequence, so as to realize the storage and fixation of the second insulating stool (102) and the third insulating stool (103); When the third insulating stool (103) and the second insulating stool (102) are fully unfolded, another group of the third positioning holes (206) is aligned with one group of the second positioning holes (205), and another group of the second positioning holes (205) is aligned with the first positioning holes (204). Two T-shaped pins (207) are respectively inserted into one group of the second positioning holes (205) and another group of the third positioning holes (206) and into the first positioning holes (204) and another group of the second positioning holes (205), so as to fix the third insulating stool (103) and the second insulating stool (102) in the unfolded state.

4. The electrical installation safety protection device according to claim 2, characterized in that: A plurality of movable guide rails (201) are arranged along the vertical direction of the first insulating stool (101) and the second insulating stool (102), and the number and position of the limiting sliding rods (202) correspond one-to-one to the number and position of the movable guide rails (201); One end of the first insulating stool (101) and the second insulating stool (102) is respectively formed with an open groove for the second insulating stool (102) and the third insulating stool (103) to move, and one end of the movable guide rail (201) close to the open groove is in a blocked state.

5. The electrical installation safety protection device according to claim 4, characterized in that: The bottom level of the movable roller (203) is flush with the bottom level of the first insulating stool (101); A transfer roller (104) is mounted on the outer wall of one end of the first insulating stool (101) away from the opening groove.