Electric power connector pressing device

Abstract

The utility model relates to the field of electric power engineering, and discloses an electric power connector pressing device which comprises a box body, a box cover is hinged to the top of the box body, a placing plate is fixedly connected to the bottom of the inner wall of the box body, an electric wire is arranged in the placing plate, a pressing mechanism is arranged in the box cover, and the pressing mechanism is fixedly connected with the box cover. A holding mechanism is arranged in the box body and comprises a shell, the shell is fixedly connected to the inner wall of the box body, a fixing block is fixedly connected to the inner wall of the shell, a wedge block is in threaded connection to the inner wall of the shell, and a holding ring is slidably connected to the side, close to the wedge block, of the fixing block. According to the utility model, by rotating the control rod, the wedge block moves along the thread direction and gets close to the fixed block, and then the enclasping ring shrinks in the radial direction and tightly wraps the outer wall of the electric wire, so that the electric wire is tightly enclasped, the connection stability of the electric wire is improved, the electric wires with different thicknesses and sizes can be stably clamped, and the applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric power engineering especially, relates to a power joint compression device. BACKGROUND

[0002] Electric power engineering refers to the engineering related to electric power, including electric power design, construction, operation and maintenance etc., and the power engineering joint is an indispensable part in the electric power engineering, and its role is to transmit electric power to the place needing electric power and ensure the stability and reliability of electric power transmission.

[0003] The existing power joint compression device adopts fixed clamp or single size clamping groove, cannot be self-adaptive to different diameter electric wires, leads to small diameter cable easy to loosen, and large diameter cable is difficult to insert, so that the cable is not fixed firmly or damages the cable, the cable produces displacement when using to make the joint loose, and the existing compression device needs to completely dismount the fixed part or uses the tool to release the electric wire clamping, increases the maintenance time and labor cost, reduces the working efficiency, therefore, the power joint compression device is provided to solve the above problems. UTILITARY MODEL CONTENT

[0004] In order to make up for the above shortage, the utility model provides a kind of power joint compression device, to improve the prior art "with fixed clamp or single size clamping groove, cannot be self-adaptive to different diameter electric wires" problem.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of power joint compression device, including box body, the top of the box body is hinged with box cover, the inner wall bottom of the box body is fixedly connected with placing plate, the inside of the placing plate is provided with electric wire, the inside of the box cover is provided with compression mechanism, the inside of the box body is provided with the mechanism of embracing tightly, the mechanism of embracing tightly includes shell, the inner wall of the shell is fixedly connected on the inner wall of box body, the inner wall of the shell is fixedly connected with fixed block, the inner wall of the shell is threadedly connected with wedge block, the side of fixed block close to wedge block is slidably connected with embracing ring, the embracing ring is elastically connected with the inner wall of shell by reset spring, the side of wedge block away from fixed block is fixedly connected with control rod.

[0006] As a further description of the above technical scheme:

[0007] The left side of the box body and the left side of the box cover are fixedly connected with fixed lug.

[0008] As a further description of the above technical scheme:

[0009] The top of the placing plate is provided with placing groove, and the electric wire is arranged in the placing groove.

[0010] As a further description of the above technical scheme:

[0011] The compression mechanism comprises a pressing plate and a fixed rod, the pressing plate is fixedly connected with a sliding rod on one side close to the box cover, the fixed rod is fixedly connected to the inner wall of the box cover, and a compression spring is arranged outside the fixed rod.

[0012] As a further description of the above technical solution:

[0013] The outer wall of the fixed rod is in sliding connection with the inner wall of the sliding rod, and the central axis of the fixed rod coincides with the central axis of the sliding rod.

[0014] As a further description of the above technical solution:

[0015] One end of the compression spring is fixedly connected to the bottom end of the pressing plate, and the other end of the compression spring is fixedly connected to the inner wall of the box cover.

[0016] As a further description of the above technical solution:

[0017] The surface of the wedge block close to one side of the fixed block is provided with an inclined surface.

[0018] As a further description of the above technical solution:

[0019] The cross section of the holding ring is L-shaped, and the surface of the holding ring away from one side of the fixed block is in contact with the inclined surface of the wedge block.

[0020] The utility model has the advantages of the following:

[0021] 1、In the utility model, by rotating the control rod, the wedge block moves along the thread direction and approaches the fixed block, and then the holding ring is radially contracted and tightly wrapped around the outer wall of the electric wire, so that the electric wire is tightly held, the stability of the electric wire connection is improved, different sizes of electric wires can be stably clamped, and the applicability is improved.

[0022] 2、In the utility model, by opening the box cover, the pressing plate is automatically lifted upward under the action of the compression spring, then the control rod is reversely rotated, the wedge block is away from the fixed block, the pressure of the holding ring on the electric wire is released, and then the electric wire can be conveniently taken out for inspection or replacement, without using tools or additional operation, and the work efficiency is improved. DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure when the box cover in the utility model is closed;

[0024] Figure 2 It is a schematic diagram of the overall three-dimensional structure when the box cover in the utility model is opened;

[0025] Figure 3 It is a schematic diagram of the three-dimensional explosion structure section of the box cover and the compression mechanism in the utility model.

[0026] Figure 4 It is the three-dimensional structure schematic view of the box body, the placing plate and the holding mechanism in the utility model;

[0027] Figure 5 It is the three-dimensional structure section view schematic of the holding mechanism in the utility model.

[0028] Legend:

[0029] 1, box body; 2, box cover; 3, fixed lug; 4, placing plate; 5, placing groove; 6, electric wire; 7, pressing plate; 8, sliding rod; 9, fixed rod; 10, compression spring; 11, holding mechanism; 12, shell; 13, fixed block; 14, wedge block; 15, holding ring; 16, control rod; 17, pressing mechanism; 18, return spring. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] With reference to Figure 1 , Figure 2 , Figure 4 An embodiment provided by the utility model: a kind of electric power connector pressing device, including box body 1, the top of box body 1 is hinged with box cover 2, the left side of box body 1 and the left side of box cover 2 are all fixedly connected with fixed lug 3, by setting fixed lug 3, box body 1 and box cover 2 can be fixed by external mechanical lock, so as to improve protection effect and anti-theft effect, the inner wall bottom of box body 1 is fixedly connected with placing plate 4, the inside of placing plate 4 is provided with electric wire 6, the top of placing plate 4 is provided with placing groove 5 for accommodating electric wire 6, electric wire 6 is arranged in placing groove 5, and it plays the role of guiding and fixing the direction of electric wire 6, the inside of box cover 2 is provided with pressing mechanism 17.

[0032] With reference to Figure 2 , Figure 4 , Figure 5The inside of the box body 1 is provided with a holding mechanism 11, the holding mechanism 11 comprises a shell 12, the shell 12 is fixedly connected to the inner wall of the box body 1, the electric wire 6 passes through the inside of the shell 12, the inner wall of the shell 12 is fixedly connected with a fixed block 13, the inner wall of the shell 12 is threadedly connected with a wedge block 14, the surface of the side close to the fixed block 13 of the wedge block 14 is provided with an inclined surface, the side close to the wedge block 14 of the fixed block 13 is slidingly connected with a holding ring 15, the sliding direction of the holding ring 15 is the radial direction of the shell 12, the cross section of the holding ring 15 is provided with an L shape, and the surface of the side away from the fixed block 13 of the holding ring 15 is in contact with the inclined surface of the wedge block 14.

[0033] With reference to Figure 4 , Figure 5 The holding ring 15 is elastically connected with the inner wall of the shell 12 through a return spring 18, when the wedge block 14 rotates, the wedge block 14 will also displace to the direction close to the fixed block 13 under the action of the thread, and then press the holding ring 15 through the inclined surface, so that the holding ring 15 displaces in the radial direction of the shell 12, so that the electric wire 6 can be held and fixed, when the wedge block 14 is reversely rotated, the wedge block 14 displaces to the direction away from the fixed block 13, and the holding ring 15 displaces to the direction away from the center of the shell 12 through the elastic force of the return spring 18, the side away from the fixed block 13 of the wedge block 14 is fixedly connected with a control rod 16, the control rod 16 can drive the wedge block 14 to move along the thread direction, and then adjust the compression degree between the holding ring 15 and the electric wire 6.

[0034] With reference to Figure 2 - Figure 4 The compression mechanism 17 comprises a pressing plate 7, when the box cover 2 is closed, the pressing plate 7 is in contact with the top of the placement plate 4, so that the electric wire 6 is compressed in the inside of the placement groove 5, the side close to the box cover 2 of the pressing plate 7 is fixedly connected with a sliding rod 8, the compression mechanism 17 comprises a fixed rod 9, the fixed rod 9 is fixedly connected to the inner wall of the box cover 2, and a compression spring 10 is sleeved outside the fixed rod 9, so that the compression spring 10 is more stable when it is elastically deformed under external force.

[0035] With reference to Figure 2 - Figure 4 The outer wall of the fixed rod 9 and the inner wall of the sliding rod 8 are slidingly connected, the center axis of the fixed rod 9 and the center axis of the sliding rod 8 coincide, one end of the compression spring 10 is fixedly connected with the bottom end of the pressing plate 7, and the other end of the compression spring 10 is fixedly connected with the inner wall of the box cover 2, the compression spring 10 is arranged, so that the box cover 2 and the pressing plate 7 have a tendency to move away from each other, so that the pressing plate 7 can be tightly pressed on the top of the placement plate 4 when the box cover 2 is closed, thereby facilitating the stability of the butt joint of the electric wire 6 in the box body 1.

[0036] Working principle: in use, the electric wire 6 is placed in the placing groove 5 of the placing plate 4, and the electric wire 6 is passed through the inside of the shell 12, then the control rod 16 is rotated, so that the wedge block 14 moves in the threaded direction, and gradually approaches the fixed block 13, because the surfaces of the fixed block 13 and the wedge block 14 are provided with inclined surfaces, when the wedge block 14 approaches the fixed block 13, the inclined surfaces will extrude and tightly hold the clamping ring 15, and then the clamping ring 15 is radially contracted and tightly wrapped around the outer wall of the electric wire 6, so as to tightly hold the electric wire 6, improve the stability of the electric wire 6 connection, and prevent the electric wire 6 from loosening and moving.

[0037] Then the box cover 2 is closed, the box body 1 and the box cover 2 are fixed through the fixed lug 3 and the external mechanical lock, when the box cover 2 is pressed down, the pressing plate 7 is tightly attached to the top of the placing plate 4 under the elastic force of the compression spring 10, so as to further press the electric wire 6 in the placing groove 5, and ensure the stability of the joint contact.

[0038] When the electric wire 6 needs to be maintained or replaced, the box cover 2 is only opened, at this time the pressing plate 7 is automatically lifted upward under the action of the compression spring 10, then the control rod 16 is reversely rotated, the wedge block 14 is away from the fixed block 13, the pressure of the clamping ring 15 on the electric wire 6 is released, and the clamping ring 15 is displaced and reset in the direction away from the center of the shell 12 under the elastic force of the reset spring 18, so that the electric wire 6 can be conveniently taken out for inspection or replacement.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An electrical connection compression device comprising a housing (1), characterized in that: The top of the box body (1) is hinged with a box cover (2), the bottom of the inner wall of the box body (1) is fixedly connected with a placing plate (4), the inside of the placing plate (4) is provided with an electric wire (6), the inside of the box cover (2) is provided with a pressing mechanism (17), and the inside of the box body (1) is provided with a holding mechanism (11); The holding mechanism (11) comprises an outer shell (12) fixedly connected to the inner wall of the box body (1), a fixed block (13) fixedly connected to the inner wall of the outer shell (12), a wedge block (14) threadedly connected to the inner wall of the outer shell (12), a holding ring (15) slidingly connected to the side of the fixed block (13) close to the wedge block (14), and a control rod (16) fixedly connected to the side of the wedge block (14) away from the fixed block (13).

2. An electrical connection compression device according to claim 1, characterised in that: The left side of the box body (1) and the left side of the box cover (2) are fixedly connected with a fixed lug (3).

3. An electrical connector compression device according to claim 1, wherein: The top of the placing plate (4) is provided with a placing groove (5), and the electric wire (6) is arranged in the placing groove (5).

4. An electrical connector compression device according to claim 1, wherein: The pressing mechanism (17) comprises a pressing plate (7) and a fixed rod (9), the side of the pressing plate (7) close to the box cover (2) is fixedly connected with a sliding rod (8), the fixed rod (9) is fixedly connected to the inner wall of the box cover (2), and the outer wall of the fixed rod (9) is sleeved with a compression spring (10).

5. An electrical connection compression device according to claim 4, wherein: The outer wall of the fixed rod (9) and the inner wall of the sliding rod (8) are slidingly connected, and the center axis of the fixed rod (9) and the center axis of the sliding rod (8) coincide.

6. An electrical connection compression device according to claim 5, wherein: One end of the compression spring (10) is fixedly connected with the bottom end of the pressing plate (7), and the other end of the compression spring (10) is fixedly connected with the inner wall of the box cover (2).

7. An electrical connector compression device according to claim 1, wherein: The surface of the side of the wedge block (14) close to the fixed block (13) is provided with an inclined surface.

8. An electrical connection compression device according to claim 7, wherein: The cross section of the holding ring (15) is L-shaped, and the surface of the side of the holding ring (15) away from the fixed block (13) is in contact with the inclined surface of the wedge block (14).

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