CN215498140U

CN215498140U - Safety protection cover for secondary use of power transformation

Info

Publication number: CN215498140U
Application number: CN202121870999.7U
Authority: CN
Inventors: 白小东; 薛建荣; 惠磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-11
Anticipated expiration: 2031-08-11

Abstract

The utility model provides a safety protection sleeve for a power transformation secondary, relates to the technical field of power construction, and solves the problems of complex operation and poor stability of wire clamping in the installation of the conventional safety protection sleeve for the power transformation secondary; the front sides of the two fixed plates are fixedly connected with two guide rods, and the front sides of the two groups of guide rods are fixedly connected with a front connecting block; a screw rod is rotatably arranged between the two fixed plates and the two front connecting blocks, and a rotating wheel is fixedly arranged at the front end of each screw rod; two wire clamping blocks are fixedly and symmetrically arranged on the inner side of the protective shell; the inner sides of the protective shells are fixedly provided with an insulating seat; and two wire outlet holes are fixedly arranged on two sides of the protective shell. This device is being driven the completion with inside seal and with the tight homoenergetic of electric wire clamp through a set of screw rod, and the operation is simple and convenient more, can not lose the part yet, and the stability when the electric wire clamp splice is fixed the electric wire also can improve greatly moreover.

Description

Safety protection cover for secondary use of power transformation

Technical Field

The utility model belongs to the technical field of electric power construction, and particularly relates to a secondary power transformation used safety protection sleeve.

Background

The electric power engineering is the engineering related to the production, transmission and distribution of electric energy, wherein secondary maintenance is needed when a power transformation facility is installed, and a connecting circuit is needed in the maintenance, and a safety protection sleeve is needed to be installed at the positions of the terminals because the terminals are prevented from being contacted with other parts to generate connection.

For example, the patent with application number 201921483688.8 discloses a safety protection cover for secondary use of power transformation, which comprises a group of sealing covers, wherein two sealing covers are hinged through a hinge, and the side surfaces of the two sealing covers are in threaded connection through a connecting mechanism. Connect after passing the sealing plug through the electric wire with both ends, connect good wiring end and shelve on the inner wall of insulating boot, the lid closes this group sealing boot, and it is fixed through coupling mechanism, the sealing plug is blocked at the both ends of sealing boot simultaneously, seal up the wiring end, rotate the threaded rod through the knob, the threaded rod removal is ordered about to the internal thread of sealing boot, the threaded rod promotes to press the clamp plate to remove, two relative press the clamp plate and be close to each other, drive the locating piece centre gripping electric wire in step, when pulling power is received at both ends, can be overcome by the clamping-force, consequently, avoid the wiring end because of receiving to pull and drag power not hard up, can effectively protect the wiring end.

Based on the above search, the above patent is combined with most of the secondary safety protection sleeves for power transformation in the prior art, and the following problems exist when the protective sleeves are used: present transformer secondary safety protection cover is used for sealed shell all need be fixed through a plurality of bolts alone when closing tightly, and is closing tight back and need press from both sides through solitary screw rod fastening again regularly to the fastener fastening, and the operation is more loaded down with trivial details, and the part is also lost easily moreover to the groove of fixed electric wire is the straight line groove, therefore the electric wire still slides easily, and stability after the fixing is relatively poor.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a safety protection sleeve for secondary use of power transformation is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a safety protection sleeve for a power transformation secondary, which aims to solve the problems that the existing safety protection sleeve for the power transformation secondary is required to be independently fixed by a plurality of bolts when a sealed shell of the safety protection sleeve for the power transformation secondary is closed, the wire clamp is required to be clamped by an independent screw rod when the shell is fastened, the operation is complicated, parts are easy to lose, and the grooves for fixing the wires are all linear grooves, so that the wires are still easy to slide, and the stability after the wires are fixed is poor.

The purpose and the effect of the safety protection sleeve used for secondary power transformation are achieved by the following specific technical means:

a safety protection sleeve for secondary use of power transformation comprises a fixing plate; the front sides of the two fixed plates are fixedly connected with two guide rods, and the front sides of the two groups of guide rods are fixedly connected with a front connecting block; a screw rod is rotatably arranged between the two fixed plates and the two front connecting blocks, and a rotating wheel is fixedly arranged at the front end of each screw rod; the outer sides of the two screw rods are respectively provided with a positioning block in a threaded fit manner; the top and the bottom of the two positioning blocks are fixedly connected with a positioning rod;

the outer sides of the four guide rods are respectively provided with a supporting seat in a sliding way; a protective shell is fixedly arranged between the two upper supporting seats and between the two lower supporting seats; two wire clamping blocks are fixedly and symmetrically arranged on the inner side of the protective shell; the inner sides of the protective shells are fixedly provided with an insulating seat; and two wire outlet holes are fixedly arranged on two sides of the protective shell.

Furthermore, when the positioning block and the positioning rod drive the supporting seat to slide forwards, the two protective shells can also slide forwards and be tightly closed.

Furthermore, the wire clamping blocks are provided with three curved grooves, and the curved grooves are S-shaped grooves.

Furthermore, the guide rods are all inclined rods, and the two guide rods on the front side of each fixing plate are vertically symmetrical.

Further, the diameters of the cross sections of the curved grooves on the wire clamping blocks are different, and the inner diameters of the cross sections of the curved grooves from the front side to the rear side are sequentially increased.

Furthermore, a vertical round hole is formed in each supporting seat, and the four positioning rods respectively penetrate through the four round holes and can slide up and down in the supporting seats.

Furthermore, the electric wire clamping blocks are all rubber blocks, and when the upper protective shell and the lower protective shell are closed tightly, the electric wire clamping blocks corresponding to each other up and down can be in close contact.

Furthermore, when the positioning block and the positioning rod drive the supporting seat to slide backwards, the two protective shells can also slide backwards and be separated.

Compared with the prior art, the utility model has the following beneficial effects:

the fixing plate is used for fixing the device on the wall surface, the protective shell for protecting the wiring end is supported by the supporting seat, the supporting seat can be driven to generate displacement by the matching of the screw rod, the positioning block and the positioning rod, so that the upper distance and the lower distance of the supporting seat are close to or separated from each other, thereby the protective shell can be closed or separated, the electric wire can be firmly clamped and fixed through the electric wire clamping block inside while the protective shell is closed to seal the inside, and the groove of fixed electric wire on the electric wire clamp splice is the S-shaped groove that three group' S specifications are different, can effectively improve anti-skidding ability, also can be applicable to the electric wire of different specifications, compares in present transformer secondary safety protection cover, and this device is pressing from both sides tight homoenergetic with the electric wire and is driving the completion through a set of screw rod, and the operation is simple and convenient more, can not lose the part yet, and the stability when electric wire clamp splice fixed electric wire also can improve greatly moreover.

Drawings

Fig. 1 is a schematic view of a bent axis side structure of the present invention with a housing separated.

Fig. 2 is a schematic bottom view of the utility model with the housing separated.

FIG. 3 is a schematic view of the bent-down side structure of the housing of the present invention after the housing is tightened.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a fixing plate; 2. a guide bar; 3. a front connecting block; 4. a screw; 5. positioning blocks; 6. positioning a rod; 7. a supporting seat; 8. a protective housing; 9. a wire clamp block; 10. an insulating base; 11. and (7) a wire outlet hole.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a safety protection sleeve for secondary use of power transformation, which comprises a fixing plate 1; the front sides of the two fixed plates 1 are fixedly connected with two guide rods 2, and the front sides of the two groups of guide rods 2 are fixedly connected with a front connecting block 3; the guide rods 2 are all inclined rods, and the two guide rods 2 on the front side of each fixed plate 1 are vertically symmetrical, so that the supporting seats 7 slide forwards or backwards and simultaneously generate displacement in the vertical direction, the distance between the two groups of supporting seats 7 corresponding to each other up and down can be changed, and the protective shell 8 can be separated or closed tightly;

a screw rod 4 is rotatably arranged between the two fixed plates 1 and the two front connecting blocks 3, and a rotating wheel is fixedly arranged at the front end of each screw rod 4; the outer sides of the two screw rods 4 are respectively provided with a positioning block 5 in a threaded fit manner; when the positioning block 5 and the positioning rod 6 drive the supporting seat 7 to slide backwards, the two protective shells 8 can also slide backwards and be separated, and then the wiring terminal can be placed in the protective shells 8 for fixing, so that the operation is simple and convenient when the wiring terminal needs to be fixed; when the positioning block 5 and the positioning rod 6 drive the supporting seat 7 to slide forwards, the two protective shells 8 can also slide forwards and be tightly combined, so that the protective shells 8 can seal the cavity for fixing the wiring end and can firmly clamp and fix the electric wire inside, and the protective shells 8 do not need to be sealed separately and the electric wire does not need to be clamped and fixed separately;

the top and the bottom of the two positioning blocks 5 are fixedly connected with a positioning rod 6; the outer sides of the four guide rods 2 are respectively provided with a supporting seat 7 in a sliding way; a protective shell 8 is fixedly arranged between the two upper supporting seats 7 and between the two lower supporting seats 7; two wire clamping blocks 9 are fixedly and symmetrically arranged on the inner side of the protective shell 8; the wire clamping blocks 9 are provided with three curved grooves which are S-shaped grooves, and after the wires are fixed in the S-shaped grooves, friction force can be greatly improved, and the possibility that the wires slide in the fixing grooves is reduced; an insulating seat 10 is fixedly arranged on the inner side of the protective shell 8; both sides of the protective shell 8 are fixedly provided with a wire outlet hole 11.

Wherein, the section diameter of the curved groove on the electric wire clamp splice 9 is all inequality, and the curved groove section internal diameter from the front side to the rear side increases in proper order, can select the curved groove that corresponds thickness according to the external diameter of electric wire like this when fixed electric wire, the curved groove internal diameter of selection only need be less than the external diameter of electric wire can slightly, consequently can firmly press from both sides the tight fixedly with the electric wire of different specifications.

Wherein, all be provided with a vertical round hole on the supporting seat 7, and four locating levers 6 pass these four round holes respectively and can slide from top to bottom in its inside, so supporting seat 7 also can be the displacement from top to bottom when locating piece 5 and locating lever 6 drive supporting seat 7 and slide from beginning to end, make the distance change between two protective housing 8.

Wherein, the electric wire clamp splice 9 is the block rubber, and when two upper and lower protective housing 8 closed tightly, the electric wire clamp splice 9 that corresponds from top to bottom can the in close contact with, consequently the electric wire clamp splice 9 that corresponds from top to bottom when closing tightly can firmly press from both sides the electric wire tightly, because the rubber of electric wire clamp splice 9 has elasticity moreover, so can avoid excessively extrudeing the electric wire.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the device is used for protecting the wiring end of an electric wire, two fixing plates 1 are fixed on a wall surface at the position of the wiring end through screws, then two screw rods 4 are simultaneously rotated anticlockwise, two positioning blocks 5 can drive positioning rods 6 at the top and the bottom of the fixing plates to move backwards, the positioning rods 6 can drive the supporting seats 7 to slide backwards outside the guide rods 2 because the positioning rods 6 pass through the supporting seats 7 and can slide up and down in round holes on the supporting seats 7, the supporting seats 7 can move backwards because the guide rods 2 are all inclined rods, the supporting seats 7 can move in the vertical direction when sliding backwards, so that the distance between two groups of the supporting seats 7 corresponding to each other up and down can be increased, two protective shells 8 are separated, then the wiring end can be placed in the protective shell 8 for fixing, the wiring end is firstly placed in a groove at the inner side of the top of an insulating seat 10 in the lower protective shell 8 during fixing, then two sections of electric wires are respectively placed in curved grooves at the tops of two electric wire clamping blocks 9 in a protective shell 8 below, the electric wires are clamped in the curved grooves after being bent in an S shape during placement, the curved grooves with corresponding thicknesses can be selected according to the outer diameters of the electric wires, the inner diameters of the selected curved grooves are only slightly smaller than the outer diameters of the electric wires, then the electric wires are placed in wire outlet holes 11, high-elastic sealant can be placed in the wire outlet holes 11 in advance, therefore, the electric wires can be tightly wrapped by the sealant after the protective shells 8 are tightly closed, internal sealing can be ensured, after the electric wires are placed, two screw rods 4 are simultaneously rotated clockwise, two protective shells 8 can also slide forward and be tightly closed when two positioning blocks 5 drive a supporting seat 7 to slide forward through a positioning rod 6, meanwhile, the electric wire clamping blocks 9 corresponding to the upper portion and the lower portion can be tightly contacted and firmly clamp the electric wires, and a wiring terminal can also be positioned in a groove between insulating seats 10, the protective shell body 8 can seal the cavity of the fixed wiring end in the tightening process, the electric wire can be firmly clamped and fixed in the protective shell body, the protective shell body 8 does not need to be sealed independently, the electric wire does not need to be clamped and fixed independently, and the operation is very convenient during installation.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a safety protection cover that transformer secondary used which characterized in that: safety protection cover includes:

a fixing plate; the front sides of the two fixed plates are fixedly connected with two guide rods, and the front sides of the two groups of guide rods are fixedly connected with a front connecting block; a screw rod is rotatably arranged between the two fixed plates and the two front connecting blocks, and a rotating wheel is fixedly arranged at the front end of each screw rod; the outer sides of the two screw rods are respectively provided with a positioning block in a threaded fit manner; the top and the bottom of the two positioning blocks are fixedly connected with a positioning rod;

2. A safety protective cover for substation secondary use as claimed in claim 1, wherein: the guide rods are all inclined rods, and the two guide rods on the front side of each fixing plate are vertically symmetrical.

3. A safety protective cover for substation secondary use as claimed in claim 1, wherein: all be provided with a vertical round hole on the supporting seat, and the locating lever of locating piece top and bottom passes these four round holes respectively and can slide from top to bottom in its inside.

4. A safety protective cover for substation secondary use as claimed in claim 3, wherein: when the positioning block and the positioning rod drive the supporting seat to slide backwards, the two protective shells can also slide backwards and are separated.

5. A safety protective cover for substation secondary use as claimed in claim 4, wherein: when the positioning block and the positioning rod drive the supporting seat to slide forwards, the two protective shells can also slide forwards and are tightly closed.

6. A safety protective cover for substation secondary use as claimed in claim 1, wherein: the electric wire clamping blocks are rubber blocks, and when the upper protective shell and the lower protective shell are tightly closed, the electric wire clamping blocks corresponding to each other from top to bottom can be in close contact with each other.

7. A safety protective cover for substation secondary use as claimed in claim 6, wherein: the electric wire clamping block is provided with three curved grooves, and the curved grooves are S-shaped grooves.

8. A safety protective cover for substation secondary use as claimed in claim 7, wherein: the diameters of the sections of the curved grooves on the wire clamping blocks are different, and the inner diameters of the sections of the curved grooves from the front side to the rear side are sequentially increased.